TWI807620B - Baby carrying harness - Google Patents

Abstract

The invention discloses a baby carrying harness, which comprises a waist belt, a support sheet fixed to the waist belt, shoulder straps arranged along a lengthwise direction of the support sheet and connected to the support sheet, and a height adjustment assembly and/or a width adjustment assembly; wherein an end of the support sheet close to the waist belt forms a seat for bearing a baby, and either of the height adjustment assembly and the width adjustment assembly is able to cause the seat to switch between a folded state and an unfolded state, so as to adjust the sitting height and/or sitting width of the baby. Therefore, a size of the seat of the baby carrying harness of the invention can be adjusted conveniently and quickly according to different requirements, so as to achieve the best use state and ensure the safety and comfort of the baby in sitting.

Description

baby carrier

The invention relates to the technical field of infant products, in particular to a baby carrier with an adjustable seat position.

The emergence of baby carrying devices (such as baby slings, waist stools, etc.) allows caregivers to free their hands when carrying infants and young children, and does not affect the intimate contact with infants and young children. Taking the baby carrier as an example, according to the different ways of holding the baby, the baby carrier can be divided into horizontal hugging type, front-facing type, face-to-face type, back type and so on.

The design of the baby carrier should not only conform to ergonomics to reduce the burden on the user, but also be able to support the baby's buttocks, waist, neck and head, avoid bending and unnecessary pressure, ensure the comfort and safety of the baby, and protect the weak muscles and bones of the baby. In the existing baby carrier, the space formed for the infant to ride is fixed, but infants of different age groups, different age groups of the same infant and different ways of holding the baby will cause the required seating space of the infant to be different, especially the width and height of the seat portion. But the existing baby carrier can't adjust the seat part adaptively, which causes the comfort and safety of infants to ride.

Therefore, it is necessary to provide a baby carrier that can conveniently and adaptively adjust the sitting position of the infant, so as to solve the above-mentioned problems in the prior art.

On the other hand, currently baby carriers have become a common way of transporting babies, but there is a disadvantage in most existing baby carriers: the seat portion of the baby carrier is of fixed size. because Therefore, as the baby grows, the seat part of the baby carrier may become too small, reducing the comfort of the baby, or the seat part of the baby carrier itself is constructed to support a larger baby. For a young baby, the seat part of the baby carrier may be too large. Furthermore, the fixed seat portion of conventional baby carriers limits the achievable adaptability of the baby carrier, ie, the baby carrier cannot be easily and quickly adjusted in the front-carry and rear-back configurations.

Therefore, there is an urgent need to provide a baby carrier whose seat size can be adjusted conveniently and quickly according to infants of different sizes, so as to achieve an optimal use state.

The object of the present invention is to provide a baby carrier which can conveniently and adaptively adjust the sitting position of the baby.

In order to achieve the above object, the technical solution of the present invention is to provide a baby carrier, which includes a waist belt, a support piece fixed to the waist belt, a shoulder belt arranged along the longitudinal direction of the support piece and connected thereto, and a height adjustment component or/and a width adjustment component; wherein, one end of the support piece close to the waist belt forms a seat for supporting an infant, and both the height adjustment component and the width adjustment component can make the seat switch between a folded position and an extended position, so as to adjust the sitting height of the infant or/and sit width.

Preferably, both the height adjustment assembly and the width adjustment assembly have a connection state and a disassembly state, and the height adjustment assembly or/and the width adjustment assembly are in the connection state When switching between the disassembled state and the disassembled state, the seat can be switched between the retracted position and the extended position.

Preferably, the seat part includes a buttock supporting part, two leg supporting parts and two connecting pieces, the two leg supporting parts are symmetrically connected to both sides of the buttock supporting part in the width direction through the two connecting pieces, and the thickness of the connecting piece is smaller than the thickness of the buttock supporting part and smaller than the thickness of the leg supporting part.

Preferably, the connecting sheet has a single-layer structure, and filling layers or fillings are provided in the buttock support part and the leg support part.

Preferably, the width adjustment assembly includes at least one adjustment unit, each of the adjustment units is arranged along the width direction of the seat, and when each adjustment unit is transformed between the connected state and the disassembled state, the seat can be transformed between the folded position and the extended position in the width direction.

Preferably, when there are multiple adjustment units, each adjustment unit is arranged at intervals along the longitudinal direction of the seat or/and along the width direction of the seat at intervals.

Preferably, the adjustment unit includes a detachably connected first adjustment piece and a second adjustment piece, the first adjustment piece and the second adjustment piece are respectively arranged on both sides of the seat portion in the width direction, or one of the first adjustment piece and the second adjustment piece is arranged on the buttock support portion, and the other of the first adjustment piece and the second adjustment piece is arranged on one side of the seat portion in the width direction.

Preferably, the first adjusting member and the second adjusting member are matching buckles, snap buttons, Velcro felt, zippers or detachably matched fixing buckles and fixing rings.

Preferably, one of the first adjusting member and the second adjusting member extends along the widthwise direction of the seat portion and has at least one adjusting segment, and each adjusting segment is optionally detachably connected to the other of the first adjusting member and the second adjusting member.

Preferably, one of the first adjusting member and the second adjusting member is a cloth belt, and the other of the first adjusting member and the second adjusting member is a fixing buckle or a fixing ring detachably fastened by the cloth belt, one end of the cloth belt is connected to one side of the seat in the width direction, and the fixing buckle or the fixing ring is connected to the other side of the seat in the width direction or to the buttock support part.

Preferably, the height adjustment component is arranged on the inner side or the outer side of the support sheet, and when the height adjustment component is transformed between the connected state and the disassembled state, the seat can be transformed between the folded position and the extended position in its height direction.

Preferably, when the height adjustment assembly is in the connected state, it is respectively connected above and below the seat, or one end is connected to the seat, and the other end is connected above or below the seat so that the seat is in a folded position in its height direction.

Preferably, the height adjustment assembly includes a detachably connected third adjustment member and a fourth adjustment member. The third adjustment member and the fourth adjustment member are respectively arranged above and below the seat, or one of the third adjustment member and the fourth adjustment member is arranged on the seat, and the other of the third adjustment member and the fourth adjustment member is arranged above or/and below the seat. When the third adjustment member and the fourth adjustment member are connected, the seat is in a folded position in its height direction.

Preferably, there are multiple third adjusting parts or/and the fourth adjusting parts, and the multiple third adjusting parts or/and the fourth adjusting parts are arranged at intervals along the longitudinal direction of the supporting sheet.

Preferably, the third adjustment member and the fourth adjustment member are matching buckles, snap buttons, Velcro felt, zippers or detachably matched fixing buckles and fixing holes.

Preferably, the height adjustment assembly further includes a height adjustment member, at least one end of the height adjustment member is detachably connected to the third adjustment member and the fourth adjustment member, when the height adjustment member is connected, the sitting height of the infant is increased.

Preferably, both ends of the height adjusting member are respectively provided with a fifth adjusting member detachably connected with the third adjusting member, and a sixth adjusting member detachably connected with the fourth adjusting member.

Preferably, the third adjusting member and the fifth adjusting member are matching buckles, snap buttons, Velcro felt, zippers or matching fixing buckles and fixing holes, while the fourth adjusting member and the sixth adjusting member are matching connecting buckles, snap buttons, Velcro felt, zippers or matching fixing buckles and fixing holes.

Preferably, a fixing piece is provided at the front end of the shoulder strap, and one of the third adjusting piece and the fourth adjusting piece is connected to the fixing piece.

Compared with the prior art, since the baby carrier of the present invention is provided with a height adjustment assembly or/and a width adjustment assembly on the seat portion of the supporting sheet, it is possible to choose to adjust the height adjustment assembly to adjust the sitting height of the infant or/and adjust the width adjustment assembly to adjust the sitting width of the infant according to infants of different sizes or different riding styles, so that a seating space suitable for smaller infants is formed between the seat and the straps, or no adjustment is made to obtain a larger seating space so that larger infants can obtain effective support. The size of the seat portion of the strap can be adjusted conveniently and quickly according to different needs, so as to achieve the best use state and ensure the safety and comfort of the infant.

The object of the present invention is to provide a baby carrier with adjustable seat height.

In order to achieve the above object, the present invention provides a baby carrier with an adjustable seat height, which includes a back assembly that can be worn on the user and a support piece connected with the back assembly for carrying the baby. The back assembly includes a waist belt and two shoulder belts. position and the stowed position, the level of the extended position is lower than the level of the stowed position.

Compared with the prior art, the height-adjustable seat of the baby carrier of the present invention is provided with a height-adjusting component, and the seat has a relative extended position and a folded position through the height-adjusting component. The size of the seat can be adjusted conveniently and quickly according to infants of different sizes, so as to achieve the best use state. For young babies, the baby is smaller, and the seat is in the folded position through the connection with the height-adjusting component, so that the baby’s buttocks support position becomes higher, forming a seat space suitable for smaller babies. In this way, the baby can be effectively supported to prevent the baby from falling accidentally; as the baby grows and the baby becomes larger, the seat is placed in an extended position by dismantling the height adjustment assembly, so that the baby's buttocks support position is lowered, thereby obtaining a larger seat space to accommodate a larger baby.

Preferably, the seat part of the present invention can be switched between the extended position and the folded position by changing the connection relationship with the height adjustment component.

Preferably, the connection relationship between the seat and the height adjustment assembly of the present invention has a first connection relationship and a second connection relationship, the first connection relationship makes the seat take an extended position, and the second connection relationship makes the seat take a retracted position.

Preferably, the seat of the present invention is detachably connected to the height adjustment assembly, the seat is connected to the height adjustment assembly to form a first connection relationship, and the height adjustment assembly is detached from the seat to form a second connection relationship.

Preferably, the height adjustment assembly of the present invention is arranged on the inner side of the support sheet.

Preferably, the height adjustment component of the present invention is a connecting piece, one end of the connecting piece is detachably connected to the shoulder strap, and the other end of the connecting piece is detachably connected to the upper part of the support piece.

Preferably, the front end of the shoulder belt of the present invention is covered with a fixing piece, and the fixing piece is fixedly connected to the front ends of the two shoulder belts.

Preferably, the two ends of the connecting piece of the present invention are respectively detachably connected to the fixing piece and the lower part of the supporting piece through a zipper structure.

Preferably, the rear end of the shoulder strap of the present invention is connected with a webbing structure.

Preferably, the webbing structures at the rear ends of the two shoulder straps of the present invention are respectively fixedly connected to the two ends of the fixing member.

Preferably, the height adjustment assembly of the present invention is arranged on the outside of the support sheet.

Preferably, the height adjustment assembly of the present invention includes several connecting parts, and the connecting parts are one of Velcro felt, matching buttons and fixing rings, snap buttons, zippers and plug-in buckles.

Preferably, the height adjustment assembly of the present invention includes a first connecting piece, a second connecting piece and a third connecting piece, and the first connecting piece, the second connecting piece and the third connecting piece are arranged in a row on the lower part of the supporting sheet and the front end of the waist belt.

Preferably, the height adjustment component of the present invention is Velcro felt, the second connecting part is a Velcro male buckle, and the first connecting part and the third connecting part are Velcro female buckles.

Preferably, the first connecting part and the second connecting part of the present invention are arranged at the lower part of the support sheet, and the third connecting part is arranged at the front end of the waist belt.

Preferably, the support sheet of the present invention raises the height of the seat through the fastening between the first connecting piece and the second connecting piece disposed on the supporting piece, so that the seat is in the folded position.

Preferably, the support piece of the present invention lowers the height of the seat through the fastening between the second connecting piece on the supporting piece and the third connecting piece on the waist belt, so that the seat is in an extended position.

1100: baby carrier

1110: belt

1111: belt body

1112: waist protector

1120: support sheet

1120a: Seat

1121: hip support

1122: leg support

1123: connecting piece

1130: shoulder strap

1131:Fixer

1140: Width adjustment component

1140a, 1140b: adjustment unit

1141: the first adjustment part

1142: the second adjustment part

1150: Height adjustment component

1151: The third adjustment part

1152: The fourth adjustment piece

1154: The fifth adjustment part

1155: The sixth adjustment part

2100:Baby carrier

2001: Piggyback components

2002: Support sheet

2003: Zabu

2011: belt

2012: shoulder straps

2031: height adjustment assembly

2121:Fixer

2122: Webbing structure

2311: connecting piece

2312: Zipper structure

2313a: first connector

2313b: Second connector

2313c: The third connector

FIG. 1 is a schematic diagram of the structure of the baby carrier in the first embodiment of the present invention.

FIG. 2 is a schematic diagram of seat portions in FIG. 1 being stacked in a horizontal direction.

FIG. 3 is a schematic diagram of the inner structure of FIG. 1 .

FIG. 4 is a schematic diagram illustrating a buckled state of the upper adjustment unit in FIG. 1 .

FIG. 5 is a schematic diagram illustrating a buckled state of the lower adjustment unit in FIG. 1 .

FIG. 6 is a schematic diagram of a partial structure of the baby carrier in the second embodiment of the present invention.

FIG. 7 is a schematic diagram illustrating a buckled state of the upper adjustment unit in FIG. 6 .

FIG. 8 is a schematic diagram showing a buckled state of the lower adjustment unit in FIG. 6 .

FIG. 9 is a schematic diagram of the structure of the baby carrier in the third embodiment of the present invention.

FIG. 10 is a schematic diagram of the structure of the baby carrier in the fourth embodiment of the present invention.

FIG. 11 is a schematic diagram illustrating the connection state of the height adjustment assembly in FIG. 10 .

FIG. 12 is a schematic view of the use state of the support piece in FIG. 11 connected to the shoulder strap.

FIG. 13 is a schematic diagram of the structure of the baby carrier in the fifth embodiment of the present invention.

FIG. 14 is an enlarged schematic view of the height adjusting member in FIG. 13 .

FIG. 15 is a schematic diagram of the state during the connection process of the height adjustment assembly in FIG. 13 .

FIG. 16 is a schematic diagram of a connected state of the height adjustment assembly in FIG. 15 .

FIG. 17 is a schematic diagram of the structure of the baby carrier in the sixth embodiment of the present invention.

FIG. 18 is a schematic diagram of a connected state of the upper height adjustment assembly in FIG. 17 .

FIG. 19 is a schematic diagram of a connected state of the lower height adjustment assembly in FIG. 17 .

FIG. 20 is a schematic diagram of the structure of the baby carrier with adjustable seat height according to the seventh embodiment of the present invention.

FIG. 21 is a schematic diagram of the seat structure of the baby carrier with adjustable seat height according to the seventh embodiment of the present invention.

FIG. 22 is a schematic diagram showing the structure of the seat of the baby carrier with adjustable seat height in the folded position according to the seventh embodiment of the present invention.

FIG. 23 is a schematic structural diagram of the seat of the baby carrier with adjustable seat height according to the seventh embodiment of the present invention in an extended position.

FIG. 24 is a schematic diagram of the structure of the connecting piece of the present invention.

FIG. 25 is a schematic diagram of the structure of the baby carrier with adjustable seat height according to the eighth embodiment of the present invention.

FIG. 26 is a schematic diagram showing the structure of the seat of the baby carrier with adjustable seat height in the folded position according to the eighth embodiment of the present invention.

FIG. 27 is a schematic view showing the structure of the seat of the baby carrier with adjustable seat height according to the eighth embodiment of the present invention in an extended position.

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

1-19, the baby carrier 1100 provided by the present invention includes a waist belt 1110, a support piece 1120 fixed to the waist belt 1110, a shoulder belt 1130 arranged along the longitudinal direction of the support piece 1120 and connected thereto, and a width adjustment assembly 1140 or/and a height adjustment assembly 1150. Wherein, one end of the supporting sheet 1120 away from the waist belt 1110 is connected with the shoulder strap 1130, that is, the upper end of the supporting sheet 1120 in the longitudinal direction is connected with the shoulder strap 1130, and one end of the supporting sheet 1120 near the waist belt 1110 forms a seat 1120a for supporting an infant; In the sitting space, the seat 1120a supports the infant and separates the legs of the infant sitting on it, and is located on both sides of the seat 1120a. In addition, the width adjustment component 1140 is arranged on the seat portion 1120a along the width direction of the support piece 1120. Through the adjustment of the width adjustment component 1140, the seat portion 1120a has a folded position and an extended position in the width direction, thereby achieving the adjustment of the sitting width of the infant. For the purpose of height adjustment, correspondingly, the height adjustment assembly 1150 is arranged on the seat portion 1120a and arranged along the longitudinal direction of the support piece 1120. Through the adjustment of the height adjustment assembly 1150, the seat portion 1120a has a folded position and an extended position in its height direction, so as to achieve the purpose of adjusting the sitting height of infants.

1, FIG. 6, and FIG. 9, in the present invention, the seat portion 1120a specifically includes a hip support portion 1121, two leg support portions 1122 and two connecting pieces 1123, and the two leg support portions 1122 are symmetrically connected to both sides of the buttock support portion 1121 in the width direction through the two connecting pieces 1123. 1. For the leg support part 1122, a connecting piece 1123 with a thinner thickness is provided between the buttock supporting part 1121 and the leg supporting part 1122, so that when the seat part 1120a is in a folded position through width adjustment, the two leg support parts 1122 move closer to the buttock support part 1121, thereby squeezing the connecting piece 1123 to make it in a folded position. The seat portion 1120a of the baby carrier 1100 is not comfortable to ride, so that the seat portion 1120a of the baby carrier 1100 has both adjustment function and comfort.

More preferably, the buttock supporting part 1121 and the leg supporting part 1122 are provided with filling layers or fillers, so that the hip supporting part 1121 and the leg supporting part 1122 can better support the infant and make the infant ride more comfortable, while the connecting piece 1123 is made of a single layer of cloth, so the connecting piece 1123 has a single-layer structure, so that the thickness of the connecting piece 1123 in the folded position is smaller than that of the buttock supporting part 112 with the filling layer or filling. 1. The leg support portion 1122 is much smaller, which will not cause discomfort for infants to ride.

It should be noted that the structure of other parts of the support piece 1120, the structure of the shoulder strap 1130, and the connection method between the support piece 1120 and the shoulder belt 1130 are all conventional arrangements well known to those skilled in the art, and will not be described in detail here.

In addition, it should be noted that, for the support piece 1120 provided with only the height adjustment assembly 1150, the above-mentioned connecting piece 1123 can also be omitted, that is, the leg support portion 1122 is directly connected to both sides of the buttock support portion 1121 in the width direction.

1-3, in the present invention, the waist belt 1110 includes a waist belt body 1111 and a waist support piece 1112, the roughly middle part of the waist belt body 1111 is fixedly connected to the lower end of the support piece 1120, and both ends of the belt body 1111 are detachably connected for wearing or taking off by adults. Among them, the waist support piece 1112 is fixed or detachably connected to the belt body 1111. The waist support piece 1112 has a long strip structure and has a filler or a filling layer inside. The width of the waist support piece 1112 is greater than the width of the head-to-tail connection of the belt body 1111. When the waist belt 1110 is worn, the waist support piece 1112 can be placed on the head-to-tail connection of the belt body 1111, so that the gap between the belt body 1111 and the waist of an adult can be enlarged by the waist support piece 1112. contact area, thus making it easier for adults to carry infants and young children.

As shown below in conjunction with FIGS. 1-2 and 4-9, in the present invention, the width adjustment assembly 1140 includes at least one adjustment unit, each adjustment unit is arranged along the widthwise direction of the support piece 1120 and has a connected state and a disassembled state. When the adjustment unit is in the connected state, the seat portion 1120a is in a folded position in its width direction, thereby reducing the width of the seat portion 1120a. Correspondingly, the height adjustment assembly 1150 is arranged on the inner side or the outer side of the support sheet 1120 and has a connected state and a dismounted state. When the height adjustment assembly 1150 is in the connection state, the seat portion 1120a is folded in its height direction, thereby adjusting the sitting height of the infant.

More specifically, when the width adjustment assembly 1140 is provided with a plurality of adjustment units, each adjustment unit is arranged at intervals along the lengthwise direction of the support sheet 1120 or/and is arranged at intervals along the width direction of the support sheet 1120 .

Referring to the accompanying drawings 1-15, the width adjustment assembly 1140 and the height adjustment assembly 1150 in different embodiments of the baby carrier 1100 of the present invention will be described respectively.

1-5, in the first embodiment of the baby carrier 1100 of the present invention, the width adjustment assembly 1140 includes two adjustment units 1140a, 1140b, and the two adjustment units 1140a, 1140b are arranged on the seat portion 1120a at intervals along the longitudinal direction of the support piece 1120, so that it can be used according to For infants of different sizes or different riding styles, choose to connect the upper adjustment unit 1140a or/and the lower adjustment unit 1140b, or neither the adjustment units 1140a nor 1140b is connected.

More specifically, the adjustment units 1140a, 1140b have the same structure. Taking the adjustment unit 1140a as an example, the adjustment unit 1140a includes a first adjustment member 1141 and a second adjustment member 1142 which are detachably connected, and the first adjustment member 1141 and the second adjustment member 1142 are respectively arranged on two sides of the seat portion 1120a in the width direction. In this embodiment, the two are preferably connected at the connecting position between the connecting piece 1123 and the leg supporting part 1122, so that when the first adjusting part 1141 and the second adjusting part 1142 are connected, the two leg supporting parts 1122 are moved closer to the buttock supporting part 1121 so that the seat part 1120a is in a retracted position, thereby reducing the width of the seat part 1120a. 23 is a single-layer structure or thinner, so the thickness when it is folded is small, which does not affect the ride comfort of infants. When the first adjusting part 1141 and the second adjusting part 1142 are disassembled, the seat part 1120a is in an extended position, so that the width of the seat part 1120a becomes larger than that in the folded position.

1-6, when the baby carrier 1100 in this embodiment is used, if a larger infant is carried, and the larger infant faces the caregiver to ride, the first adjustment part 1141 and the second adjustment part 1142 of the two adjustment units 1140a, 1140b are not buckled. If a larger infant rides with its back to the caregiver (rides forward), the infant’s legs and torso need a larger stretching space. At this time, the first adjustment member 1141 and the second adjustment member 1142 of the adjustment unit 1140a above can be fastened, while the first adjustment member 1141 and the second adjustment member 1142 of the adjustment unit 1140b below are not buckled, as shown in Figure 4, so that the upper half of the seat 1120a is folded and narrowed, that is, the seat The width of the upper half of the portion 1120a is smaller than that of the lower half, so that the legs and torso of the infant have a larger stretching space. If you are carrying a smaller infant, you will generally only face the caregiver to sit and carry it. At this time, the first adjustment part 1141 and the second adjustment part 1142 of the adjustment unit 1140a on the top can not be buckled, and the adjustment unit 1140a below can not be fastened. The first adjusting part 1141 and the second adjusting part 1142 of the unit 1140b are buckled together, as shown in FIG. 5 , so that the lower half of the seat 1120a is folded and narrowed, that is, the width of the lower half of the seat 1120a is smaller than the width of the upper half, so as to form a seat space that fits a smaller baby and better support the back of the infant.

In this embodiment, the first adjusting member 1141 and the second adjusting member 1142 are preferably male and female snaps of matching plug-in buckles. The male and female snaps can be conveniently plugged in and removed, so the operation is relatively simple when adjusting the width of the seat portion 1120a.

It can be understood that the first adjusting member 1141 and the second adjusting member 1142 are not limited to plug-in buckles. For example, matching snap buttons, Velcro felt, zippers or detachable fixed buckles and fixing rings can also be used to adjust the width of the seat portion 1120a.

6-8, in the second embodiment of the baby carrier 1100 of the present invention, the arrangement of the two adjustment units 1140a, 1140b is the same as that of the above-mentioned first embodiment, the only difference is that the structures of the first adjustment part 1141 and the second adjustment part 1142 are slightly different.

The adjustment unit 1140a will be taken as an example below. One of the first adjustment member 1141 and the second adjustment member 1142 of the adjustment unit 1140a extends along the width direction of the seat portion 1120a and has a certain length, and the first adjustment member 1141 or the second adjustment member 1142 is provided with at least one adjustment section.

In this embodiment, the first adjustment member 1141 has a certain length, and one end of the first adjustment member 1141 is connected to the connection position between the connecting piece 1123 on one side of the seat portion 1120a and the leg support portion 1122, and the other end of the first adjustment member 1141 has at least one fixing hole, and only one fixing hole is schematically shown in FIGS. 6-8 . The second adjusting part 1142 is preferably a fixing buckle, and the fixing buckle is connected to the connecting piece 1123 on the other side of the seat part 1120a and the connecting position of the leg support part 1122. In this way, when any fixing hole of the first adjusting part 1141 is fastened to the fixing buckle, the seat part 1120a can be in a folded position to reduce the width of the seat part 1120a.

In this embodiment, the first adjusting member 1141 is preferably a cloth belt with a certain length, but it is not limited thereto, and at least one fixing hole is opened on the cloth belt. Of course, the first adjusting member 1141 is not limited to cloth tape. In addition, the second adjusting member 1142 can also be a fixing ring. In this way, a plurality of fasteners such as fixing buckles and buttons are connected to the first adjusting member 1141 at intervals, so that multi-position adjustment of the first adjusting member 1141 can also be realized.

Understandably, the first adjustment member 1141 and the second adjustment member 1142 may also be detachably connected by matching plug-in buckles, snap buttons, Velcro felt, zippers and the like.

Referring again to FIGS. 6-8 , the structure and configuration of the adjustment unit 1140b are the same as those of the adjustment unit 1140a , and will not be described again. In addition, the usage of the baby carrier 1100 in this embodiment is the same as that of the first embodiment above, and will not be described again.

Referring to Fig. 9 below, in the third embodiment of the baby carrier 1100 of the present invention, the arrangement of the adjustment unit is different from that of the above two embodiments. In this embodiment, there are four adjustment units, wherein two adjustment units 1140a are arranged at intervals along the width direction of the support piece 1120 and are located at the upper end of the seat portion 1120a, that is, the two adjustment units 1140a are arranged at the same height position, and the other two adjustment units 1140b are arranged at intervals along the width direction of the support piece 1120 And located at the lower end of the seat portion 1120a, that is, the two adjustment units 1140b are arranged at the same height and below the two adjustment units 1140a.

In a specific embodiment, the two adjustment units 1140a are arranged symmetrically along the width direction of the seat portion 1120a, and the two adjustment units 1140b are also arranged symmetrically along the width direction of the seat portion 1120a, and each adjustment unit has the same structure. Taking one of the adjustment units 1140a as an example, the first adjustment part 1141 is connected to one side of the seat part 1120a in the width direction, specifically connected to the connection position between the leg support part 1122 and the connecting piece 1123, and the second adjustment part 1142 is connected to the buttock support part 1121. When the first adjustment part 1141 and the second adjustment part 1142 are connected, the seat part 1120a can also be folded to shrink the seat part 1120a width. Of course, the connection positions of the first adjusting member 1141 and the second adjusting member 1142 can be interchanged.

In this embodiment, the first adjusting member 1141 and the second adjusting member 1142 are preferably ring buckles and fixed buckles, but they are not limited thereto, and they can also be mated plug-in buckles, snap buttons, Velcro, zippers and the like. In addition, the structure of each adjustment unit can of course also be the structure in any of the above-mentioned embodiments.

Continue referring to Fig. 9, when the baby carrier 1100 in this embodiment is in use, when carrying a larger infant, if the larger infant sits facing the caregiver, all the adjustment units 1140a, 1140b are not buckled. If a larger infant sits with its back to the caregiver (rides forward), then the legs and torso of the infant need a larger stretching space. At this time, the first adjustment member 1141 and the second adjustment member 1142 of the two adjustment units 1140a above can be respectively fastened, while the first adjustment member 1141 and the second adjustment member 1142 of the two adjustment units 1140b below are not buckled, so that the upper half of the seat 1120a is folded and narrowed, that is, the seat The width of the upper half of the portion 1120a is smaller than that of the lower half, so that the legs and torso of the infant have a larger stretching space. If you carry a smaller infant and sit facing the caregiver, at this time, the first adjustment member 1141 and the second adjustment member 1142 of the two adjustment units 1140a above are not buckled, but the first adjustment member 1141 and the second adjustment member 1142 of the two adjustment units 1140b below are all buckled, so that the lower half of the seat 1120a is folded and narrowed, that is, the width of the lower half of the seat 1120a is smaller than the width of the upper half. In order to form a seat space suitable for a smaller baby, and better support the back of the baby.

Shown below in conjunction with accompanying drawing 10-19, the baby carrier 1100 of the present invention, its height adjustment assembly 1150 can be provided on the basis of any one of the above-mentioned embodiments, that is, the baby carrier 1100 is provided with the width adjustment assembly 1140 and the height adjustment assembly 1150 at the same time, and can also be set separately, that is, only the height adjustment assembly 1150 is provided, and any method does not affect the setting of the height adjustment assembly 1150. The different structures of the height adjustment assembly 1150 are described below.

10-12, in the fourth embodiment of the baby carrier 1100 of the present invention, the height adjustment assembly 1150 is arranged on the inner side of the support piece 1120, and when the height adjustment assembly 1150 is in the connected state, it is respectively connected to the top and bottom of the buttock support part 1121, so that the seat part 1120a is in a folded position in its height direction, thereby improving the sitting height of the infant.

In this embodiment, the height adjustment assembly 1150 includes a third adjustment member 1151 and a fourth adjustment member 1152 that are detachably connected. The third adjustment member 1151 and the fourth adjustment member 1152 are respectively arranged above and below the buttock support part 1121. When the third adjustment member 1151 and the fourth adjustment member 1152 are connected, the buttock support part 1121 can be in a folded position in its height direction, thereby improving the sitting height of infants.

More specifically, the third adjusting part 1151 is arranged above the buttock supporting part 1121 and connected to the support piece 1120 , the fourth adjusting part 1152 is arranged under the buttock supporting part 1121 , and the fourth adjusting part 1152 can be connected to the supporting piece 1120 , the waist belt 1110 or the shoulder belt 1130 . In this way, when it is necessary to carry a smaller infant, only the third adjustment member 1151 and the fourth adjustment member 1152 need to be connected, so that the seat 1120a is in a folded position in its height direction, as shown in Figure 11, and the buttock support position of the infant can be made higher, that is, the sitting height of the infant is improved, and the infant is more comfortable to ride. For larger infants, it is only necessary to disassemble the third adjustment member 1151 and the fourth adjustment member 1152, so that the seat portion 1120a is in an extended position in its height direction, as shown in FIG.

10-11, in this embodiment, the front end of the shoulder strap 1130 is provided with a fixing part 1131, and the fixing part 1131 is fixedly connected to the front ends of the two shoulder straps 1130, and the fourth adjusting part 1152 is connected to the fixing part 1131, so that the third adjusting part 1151 and the fourth adjusting part 1152 can be connected and disassembled more conveniently.

In this embodiment, the third adjusting member 1151 and the fourth adjusting member 1152 are preferably matched zippers, and the zippers can be easily connected and disassembled, so that the adjustment operation of the sitting height of infants is more convenient and quick. Of course, the third adjusting member 1151 and the fourth adjusting member 1152 are not limited to zippers, and they can also be matching buckles, snap buttons, Velcro felt, or detachably matched fixing buckles and fixing holes.

It should be noted that, in this embodiment, the height adjustment component 1150 can also be arranged on the outside of the support sheet 1120 , at this time, the fourth adjustment member 1152 is arranged below the buttock support part 1121 and connected to the support sheet 1120 or the waist belt 1110 .

Furthermore, a plurality of third adjusting members 1151 and fourth adjusting members 1152 can also be provided. In this way, a plurality of third adjusting members 1151 or/and a plurality of fourth adjusting members 1152 are arranged at intervals along the lengthwise direction of the support sheet 1120. During use, the third adjusting member 1151 and the fourth adjusting member 1152 at a certain height position can be selected to be connected according to needs, so as to achieve the purpose of multi-stage adjustment.

13-16, in the fifth embodiment of the baby carrier 1100 of the present invention, the only difference from the fourth embodiment is that the height adjustment assembly 1150 further includes a height adjustment member 1153, at least one end of the height adjustment member 1153 is detachably connected to the third adjustment member 1151 or/and the fourth adjustment member 1152, when the height adjustment member 1153 is connected to the third adjustment member 1151 and the fourth adjustment member 1152, it can be Make the buttocks supporting part 1121 be in a folded position in its height direction, so that the buttocks supporting position of the infant becomes higher, and the sitting height of the infant is improved; The setting of the height adjusting member 1153 not only makes the adjustment of the sitting position more convenient and fast, but also supports the infant’s buttocks by the height adjusting member 1153 after adjustment, thereby making the infant’s buttocks support more flat and improving the riding comfort.

In this embodiment, both ends of the height adjusting member 1153 are detachably connected to the third adjusting member 1151 and the fourth adjusting member 1152 respectively. Referring specifically to Figures 13-16, the two ends of the height adjustment member 1153 are respectively provided with a fifth adjustment member 1154 detachably connected with the third adjustment member 1151, and a fourth adjustment member. 1152 is detachably connected to the sixth adjustment piece 1155, so that when the third adjustment piece 1151 is connected to the fifth adjustment piece 1154, and the fourth adjustment piece 1152 is connected to the sixth adjustment piece 1155, the installation of the height adjustment piece 1153 is realized, so that the hip support portion 1121 is in a folded position.

15-16, in this embodiment, the front end of the shoulder strap 1130 is provided with a fixing part 1131, the fixing part 1131 is fixedly connected to the front ends of the two shoulder straps 1130, and the fourth adjusting part 1152 is connected to the fixing part 1131, therefore, after the height adjusting part 1153 is installed, its lower end is connected to the shoulder strap 1130.

In this embodiment, the third adjusting part 1151 and the fifth adjusting part 1154, the fourth adjusting part 1152 and the sixth adjusting part 1155 are zippers that cooperate, and the zipper can realize the quick installation and disassembly of the height adjusting part 1153, so that the adjustment operation of the sitting height of infants is more convenient and quick. Of course, the height adjusting member 1153 can also be installed by using a matching plug-in buckle, a snap button, a Velcro felt, or a matching fixing buckle and fixing hole.

13-16, when using the baby carrier 1100 in this embodiment, if it is necessary to carry a smaller infant, the height adjustment member 1153 is connected to the third adjustment member 1151 and the fourth adjustment member 1152 respectively, as shown in FIG. height, improve the sitting height of infants, form a seating space that fits smaller infants, and then enable infants to obtain effective support to avoid accidental falls of infants. At the same time, the buttocks support position formed by the height adjustment member 1153 is more flat, the support area is larger, and the infants are more comfortable to ride; In the extended position, as shown in Figure 13, after the infant sits, the position of the hip support portion 1121 is lowered relative to the waist belt 1110, thereby obtaining a larger space for the hip support portion 1121 to accommodate larger infants and improve their riding comfort.

17-19 below, in the sixth embodiment of the baby carrier 1100 of the present invention, the difference from the above-mentioned fourth and fifth embodiments is that the height adjustment assembly 1150 is arranged differently. Buttock support 1121 .

More specifically, one of the third adjusting member 1151 and the fourth adjusting member 1152 is arranged on the buttock support portion 1121, and the other of the third adjusting member 1151 and the fourth adjusting member 1152 is arranged above or/and below the buttock supporting portion 1121.

As shown in Figure 17, in a specific embodiment, the height adjustment assembly 1150 has a third adjustment member 1151 and two fourth adjustment members 1152, the third adjustment member 1151 is arranged on the buttock support part 1121, and the two fourth adjustment members 1152 are respectively arranged on the top of the hip support part 1121 and at the waist belt 1110, the third adjustment member 1151 and the fourth adjustment member 1152 are arranged at intervals along the longitudinal direction of the support sheet 1120, the third adjustment member 115 1 is optionally connected with one of the fourth adjustment parts 1152. Specifically, when the third adjusting part 1151 is connected with the fourth adjusting part 1152 above the buttock support part 1121, as shown in FIG. When the fourth adjusting member 1152 above the waist belt 1110 is connected, as shown in FIG. 19 , the buttock support part 1121 is in an extended position in its height direction, so that the buttock support position of the infant is lowered, thereby reducing the sitting height of the infant, thereby obtaining a larger seating space to accommodate larger infants and improving their riding comfort.

Understandably, the fourth adjusting member 1152 is not limited to two, and a plurality of fourth adjusting members 1152 can be respectively provided above and below the buttock support portion 1121, so that the third adjusting member 1151 can be optionally connected with Any fourth adjusting member 1152 is connected to realize multi-stage adjustment. Correspondingly, a plurality of third adjustment members 1151 can also be provided on the buttock support portion 1121 , and the third adjustment members 1151 at different heights can be selectively connected with the upper or lower fourth adjustment members 1152 , so that multi-stage adjustment can also be realized.

In this embodiment, the third adjusting member 1151 and the fourth adjusting member 1152 are the male buckle and the female buckle of the matching Velcro felt, and the Velcro felt makes the operation of height adjustment easier and labor-saving. Of course, the third adjusting member 1151 and the fourth adjusting member 1152 are not limited to the Velcro felt, and the two can also use matching buckles, snap buttons, zippers or matching fixing buckles and fixing holes.

As shown in the figure, in the above fourth, fifth and sixth embodiments, if the width of the buttock support portion 1121 needs to be adjusted, it can be adjusted in the manner of the first to third embodiments. For example, in the sixth embodiment, the structure of the seat 1120a is the same as that in the above-mentioned first embodiment, that is, the seat 1120a has a hip support portion 1121, two leg support portions 1122 and two connecting pieces 1123, and the seat 1120a is provided with any one of the width adjustment components 1140 in the first to third embodiments, therefore, the width or/and height of the seat 1120a can be selectively adjusted to adjust the sitting height of the infant or/and The purpose of sitting width.

To sum up, since the baby carrier 1100 of the present invention is provided with the width adjustment assembly 1140 or/and the height adjustment assembly 1150 on the seat portion 1120a of the support piece 1120, the height adjustment assembly 1150 can be selected to adjust the sitting height of the infant or/and the width adjustment assembly 1140 can be adjusted to adjust the sitting width of the infant according to infants of different sizes or different riding styles, so that a fit is formed between the seat portion 1120a and the harness for infants with a smaller size. The seating space for infants may not be adjusted to obtain a larger seating space so that larger infants can be effectively supported. That is to say, the size of the seat portion 1120a of the baby carrier 1100 of the present invention can be adjusted conveniently and quickly according to different needs, so as to achieve the best use state and ensure the safety and comfort of infants.

The structures and connection methods of the unspecified parts of the baby carrier 1100 of the present invention are conventional arrangement methods well known to those skilled in the art, and will not be described in detail here.

A seventh embodiment of the present invention will now be described.

20-24, the baby carrier 2100 with adjustable seat height according to the seventh embodiment of the present invention includes a back assembly 2001 which can be worn on the user and a support piece 2002 connected with the back assembly 2001 for carrying the baby. The carrying assembly 2001 includes a waist belt 2011 and two shoulder straps 2012 , the front ends of the shoulder straps 2012 are connected to the upper part of the supporting sheet 2002 , and the rear ends of the shoulder straps 2012 are connected to the middle part of the supporting sheet 2002 . The lower part of the support piece 2002 and the back assembly 2001 form a seat 2003 for the baby to sit on. The seat 2003 is provided with a height adjustment assembly 2031. The seat 2003 has a relative extended position and a folded position by the height adjustment assembly 2031. The horizontal height of the extended position is lower than the horizontal height of the folded position. More specifically, the seat 2003 can be switched between the extended position and the folded position by changing the connection relationship with the height adjustment component 2031 . More specifically, the connection relationship between the seat portion 2003 and the height adjustment assembly 2031 has a first connection relationship and a second connection relationship. The first connection relationship makes the seat portion 2003 in an extended position, and the second connection relationship makes the seat portion 2003 in a retracted position. More specifically, the seat portion 2003 is detachably connected to the height adjustment assembly 2031, the seat portion 2003 is connected to the height adjustment assembly 2031 to form a first connection relationship, and the height adjustment assembly 2031 is detached from the seat portion 2003 to form a second connection relationship.

As shown in FIGS. 21-24 , the height adjustment component 2031 is disposed on the inner side of the supporting sheet 2002 . More specifically, the height adjustment assembly 2031 includes a connecting piece 2311 , one end of the connecting piece 2311 is detachably connected to the lower part of each shoulder strap 2012 , and the other end of the connecting piece 2311 is detachably connected to the upper part of the supporting piece 2002 . More specifically, the front end of the shoulder strap 2012 is covered with a fixing piece 2121 , and the fixing piece 2121 is fixedly connected to the front ends of the two shoulder straps 2012 . More specifically, both ends of the connecting piece 2311 are detachably connected to the fixing member 2121 and the upper part of the supporting piece 2002 respectively through the zipper structure 2312 . More specifically, each shoulder strap of 2012 The rear end is connected with a webbing structure 2122 . More specifically, the webbing structures 2122 at the rear ends of the two shoulder straps 2012 are respectively fixedly connected to both ends of the fixing member 2121 .

When in use, when the caregiver needs to carry a smaller baby, he only needs to close and connect the connecting piece 2311 to the upper part of the fixing piece 2121 and the support piece 2002 through the zipper structure 2312. At this time, the connecting piece 2311 and the seat 2003 are in the first connection relationship, so that the seat 2003 of the baby carrier 2100 with adjustable seat height is in a folded position, and the baby's buttocks support position becomes higher, forming a seat space for a smaller baby. And then make the baby obtain effective support, avoid the baby from falling accidentally; Increased ride comfort for larger babies.

An eighth embodiment of the present invention will now be described.

25-27, the baby carrier 2100 with adjustable seat height according to the eighth embodiment of the present invention includes a back assembly 2001 which can be worn on the user and a support piece 2002 connected with the back assembly 2001 for carrying the baby. Carrying assembly 2001 comprises waist belt 2011 and two shoulder straps 2012, and the front end of shoulder strap 2012 is connected with the upper part of support sheet 2002, and the rear end of shoulder strap 2012 is connected with the middle part of support sheet 2002, and the bottom of support sheet 2002 and carrying assembly 2001 encircle and form the seat portion 2003 that is used for sitting on for the baby, and seat portion 2003 is provided with height adjustment assembly 2031, and seat portion 2003 is adjusted by height. The adjustment assembly 2031 has an extended position and a retracted position opposite to each other, and the horizontal height of the extended position is lower than the horizontal height of the retracted position. Specifically, the seat 2003 can be switched between the extended position and the folded position by changing the connection relationship with the height adjustment component 2031 . Specifically, the connection relationship between the seat 2003 and the height adjustment assembly 2031 has a first connection relationship and a second connection relationship, the first connection relationship makes the seat 2003 in an extended position, and the second connection relationship makes the seat 2003 in a retracted position.

As shown in FIGS. 26-27 , the height adjustment component 2031 is disposed on the outside of the supporting sheet 2002 . Specifically, the height adjustment assembly 2031 includes a first connecting piece 2313a, a second connecting piece 2313b and a third connecting piece 2313c, and the first connecting piece 2313a, the second connecting piece 2313b and the third connecting piece 2313c are arranged in a row on the lower part of the support sheet 2002 and the front end of the waist belt 2011. More specifically, the first connecting piece 2313a and the second connecting piece 2313b are disposed on the lower part of the support sheet 2002 , and the third connecting piece 2313c is disposed on the front end of the waist belt 2011 . In the eighth embodiment, the second connector 2313b is a Velcro male buckle, the first connector 2313a and the third connector 2313c are Velcro female buttons, but not limited thereto, the first connector 2313a, the second connector 2313b and the third connector 2313c can also use one of matching buttons and fixing rings, snap buttons, zippers and plug-in buckles. The support sheet 2002 is provided on the support sheet 2002 by sticking the Velcro female buckle of the first connecting part 2313a and the Velcro male button of the second connecting part 2313b to raise the height of the seat part 2003, so that the seat part 2003 is in the folded position; 13c is glued and fastened between the Velcro female buckles to lower the height position of the seat part 2003, so that the seat part 2003 is in an extended position.

When in use, when the caregiver needs to carry a smaller baby, he only needs to paste and fasten the Velcro female button of the first connecting part 2313a and the Velcro male button of the second connecting part 2313b provided on the support piece 2002. At this time, the first connecting part 2313a and the second connecting part 2313b are in the first connection relationship with the seat part 2003, so that the seat part 2003 of the baby carrier 2100 with adjustable seat height is in a folded position, and the baby's buttocks The position of the upper support becomes higher, forming a seat space that fits the smaller baby, so that the baby can obtain effective support and prevent the baby from falling accidentally. When the caregiver needs to carry a larger baby, he only needs to glue and fasten the Velcro male buckle of the second connector 2313b of the support piece 2002 and the female Velcro button of the third connector 2313c of the waist belt 2011. At this time, the second connector 2313b and the third connector 2313c are in the second connection relationship with the seat 2003, so that the seat 2003 of the baby carrier 2100 with adjustable seat height stretched position so that baby's hips The support position is lowered to obtain a larger seat space to accommodate larger babies and improve their comfort.

20-27, in the baby carrier 2100 with adjustable seat height of the present invention, the seat 2003 is provided with a height adjustment component 2031, and the seat 2003 has a relative extended position and a folded position through the height adjustment component 2031. The size of the seat 2003 can be adjusted conveniently and quickly according to infants of different sizes, so as to achieve the best use state. The connection of the adjustment component 2031 is in the retracted position, so that the baby's buttocks support position becomes higher, forming a seat space suitable for smaller babies, so that the baby can obtain effective support and prevent the baby from falling accidentally. As the baby grows, the size of the baby becomes larger, and the seat 2003 is in an extended position by dismounting the height adjustment assembly 2031, so that the baby's buttocks support position is lowered, thereby obtaining a larger seat space to accommodate a larger baby.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

1100: baby carrier

1110: belt

1120: support piece

1120a: seat

1121: hip support

1122: leg support

1123: connecting piece

1130: shoulder strap

1140a, 1140b: adjustment unit

1141: the first adjustment part

1142: the second adjustment part

Claims (36)

A baby carrier, comprising a waist belt, a support piece fixed to the waist belt, and a shoulder strap arranged along the longitudinal direction of the support piece and connected thereto. One end of the support piece close to the waist belt forms a seat for supporting an infant, wherein: the seat includes a buttock support part, two leg support parts and two connecting pieces, and the two leg support parts are symmetrically connected to both sides of the buttock support part in the transverse direction through the two connecting pieces, and the thickness of the connecting piece is different from the thickness of the buttock support part The baby carrier also includes a height adjustment assembly or/and a width adjustment assembly, and both the height adjustment assembly and the width adjustment assembly can make the seat convert between a folded position and an extended position, so as to adjust the sitting height or/and sitting width of the infant. The baby carrier according to claim 1, wherein, the connecting piece has a single-layer structure, and filling layers or fillings are provided in the buttock support part and the leg support part. The baby carrier according to claim 1, wherein the thickness of the connecting piece is smaller than the thickness of the buttock support part and smaller than the thickness of the leg support part. The baby carrier according to claim 1, 2 or 3, wherein the height adjustment component and the width adjustment component both have a connection state and a detachment state, and when the height adjustment component or/and the width adjustment component are switched between the connection state and the detachment state, the seat can be switched between the folded position and the extended position. The baby carrier according to claim 4, wherein the width adjustment assembly includes at least one adjustment unit, each adjustment unit is arranged along the width direction of the seat, and when each adjustment unit is transformed between the connected state and the disassembled state, the seat can be transformed between the folded position and the extended position in the width direction. The baby carrier according to claim 5, wherein when there are multiple adjustment units, each adjustment unit is arranged at intervals along the longitudinal direction of the seat or/and along the width direction of the seat at intervals. The baby carrier according to claim 5, wherein the adjustment unit includes a detachably connected first adjustment part and a second adjustment part, the first adjustment part and the second adjustment part are respectively arranged on both sides of the seat part in the width direction, or one of the first adjustment part and the second adjustment part is arranged on the buttock support part, and the other of the first adjustment part and the second adjustment part is arranged on one side of the seat part in the width direction. The baby carrier according to claim 7, wherein, the first adjusting part and the second adjusting part are matching buckles, snap buttons, Velcro felt, zippers or detachably matched fixing buckles and fixing rings. The baby carrier according to claim 7, wherein, one of the first adjusting piece and the second adjusting piece extends along the width direction of the seat and has at least one adjusting section, and each adjusting section is optionally detachably connected to the other of the first adjusting piece and the second adjusting piece. The baby carrier according to claim 9, wherein one of the first adjusting part and the second adjusting part is a cloth belt, and the other of the first adjusting part and the second adjusting part is a fixed buckle or a fixed ring detachably fastened to the cloth belt, one end of the cloth belt is connected to one side of the seat in the width direction, and the fixing buckle or the fixing ring is connected to the other side of the seat in the width direction or to the buttock support part. The baby carrier according to claim 4, wherein the height adjustment component is arranged on the inner side or the outer side of the support sheet, and the height adjustment component is between the connected state and the detached state During transition, the seat can be transformed between the retracted position and the extended position in the height direction. The baby carrier according to claim 11, wherein, when the height adjustment component is in the connected state, it is connected above and below the seat, or one end of the height adjustment component is connected to the seat and the other end is connected above or below the seat, so that the seat is in a folded position in its height direction. The baby carrier according to claim 12, wherein the height adjustment assembly includes a third adjustment member and a fourth adjustment member which are detachably connected, and the third adjustment member and the fourth adjustment member are respectively arranged above and below the seat, or one of the third adjustment member and the fourth adjustment member is arranged on the seat, and the other of the third adjustment member and the fourth adjustment member is arranged above or/and below the seat, and when the third adjustment member and the fourth adjustment member are connected, the seat is in a folded position in its height direction. The baby carrier according to claim 13, wherein there are multiple third adjusting parts or/and the fourth adjusting parts, and the multiple third adjusting parts or/and the fourth adjusting parts are arranged at intervals along the longitudinal direction of the support sheet. The baby carrier according to claim 13, wherein, the third adjustment member and the fourth adjustment member are mated buckles, snap buttons, Velcro, zippers or detachably matched fixing buckles and fixing holes. The baby carrier according to claim 13, wherein the height adjustment assembly further includes a height adjustment member, at least one end of the height adjustment member is detachably connected to the third adjustment member and/or the fourth adjustment member, and when the height adjustment member is connected, the sitting height of the infant is raised. The baby carrier according to claim 16, wherein the height adjusting member has a fifth adjusting member detachably connected to the third adjusting member and a sixth adjusting member detachably connected to the fourth adjusting member at both ends of the height adjusting member. The baby carrier according to claim 17, wherein the third adjusting part and the fifth adjusting part are matching buckles, snap buttons, Velcro felt, zippers or matching fixing buckles and fixing holes, and the fourth adjusting part and the sixth adjusting part are matching fitting buckles, snap buttons, Velcro felt, zippers or matching fixing buckles and fixing holes. The baby carrier according to claim 13, wherein a fixing part is provided at the front end of the shoulder belt, and one of the third adjusting part and the fourth adjusting part is connected to the fixing part. The baby carrier according to claim 1, wherein the horizontal height of the extended position is lower than the horizontal height of the folded position. The baby carrier according to claim 20, wherein the seat is switched between the extended position and the folded position by changing the connection relationship between the seat and the height adjustment component. The baby carrier according to claim 21, wherein the seat and the height adjustment assembly have a first connection relationship and a second connection relationship, the first connection relationship makes the seat take the extended position, and the second connection makes the seat take the folded position. The baby carrier according to claim 22, wherein the seat is detachably connected to the height adjustment assembly, the seat is connected to the height adjustment assembly to form the first connection relationship, and the height adjustment assembly is detached from the seat to form the second connection relationship. The baby carrier as claimed in any one of claims 20 to 23, wherein the height adjustment component is arranged on the inner side of the support sheet. The baby carrier according to claim 24, wherein the height adjustment component includes a second connecting piece, one end of the second connecting piece is detachably connected to the shoulder belt, and the other end of the second connecting piece is detachably connected to the upper part of the support piece. The baby carrier according to claim 24, wherein the front ends of the shoulder straps are covered with a fixing piece, and the fixing pieces are fixedly connected to the front ends of the two shoulder belts. The baby carrier according to claim 26, wherein, both ends of the second connecting piece are detachably connected to the fixing piece and the upper part of the supporting piece through a zipper structure. The baby carrier according to claim 26, wherein a webbing structure is connected to the rear end of the shoulder strap. The baby carrier according to claim 28, wherein the webbing structures at the rear ends of the two shoulder straps are respectively fixedly connected to the two ends of the fixing member. The baby carrier according to any one of claims 20 to 22, wherein, the height adjustment component is arranged on the outer side of the support sheet. The baby carrier according to claim 30, wherein the height adjustment assembly includes several connecting parts, and the connecting parts are one of Velcro felt, matching buttons and fixing rings, snap buttons, zippers and plug-in buckles. The baby carrier according to claim 31, wherein the height adjustment assembly includes a first connecting part, a second connecting part and a third connecting part, and the first connecting part, the second connecting part and the third connecting part are arranged in a row on the lower part of the support sheet and the front end of the waist belt. The baby carrier according to claim 32, wherein the height adjustment component is Velcro felt, the second connecting part is a Velcro male buckle, and the first connecting part and the third connecting part are Velcro female buckles. The baby carrier according to claim 32, wherein, the first connecting part and the second connecting part are arranged at the lower part of the support sheet, and the third connecting part is arranged at the front end of the waist belt. The baby carrier as claimed in claim 34, wherein, the support piece raises the height position of the seat through the fastening between the first connecting piece and the second connecting piece provided on the support piece, so that the seat is in the folded position. The baby carrier as claimed in claim 34, wherein the support piece lowers the height position of the seat through the fastening between the second connection piece on the support piece and the third connection piece on the waist belt, so that the seat is in the stretched position.

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