CN212828811U

CN212828811U - Foldable connecting device of child seat

Info

Publication number: CN212828811U
Application number: CN202021395221.0U
Authority: CN
Inventors: 路海贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-30
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a foldable connecting device of a child seat, which comprises an installation part, a connecting part and a rotation control mechanism, wherein the rotation control mechanism mainly comprises a rotating shaft, a control part and an elastic part; the positioning part of the control piece can be separated from the positioning matching part of the connecting piece due to the external force applied to the control piece, the elastic piece gathers the elastic potential energy, and the connecting piece can rotate relative to the mounting piece under the action of the external force; and because the external force is not applied to the control piece, the elastic potential energy is released, and the positioning part is matched with at least one of the positioning parts in a positioning way, so that the rotation of the connecting piece relative to the mounting piece is locked. Collapsible connecting device of children's seat, through rotation control mechanism's setting, can realize relative rotation and locking between connecting piece and the installed part, novel structure, it is easy and simple to handle, better practicality has.

Description

Foldable connecting device of child seat

Technical Field

The utility model relates to a children's seat technical field, in particular to children's seat folding connecting device.

Background

The existing bicycles and electric vehicles are not provided with seats specially designed for children, and the vehicle backseat is not very safe for children, so that people invent a front-mounted child seat, so that children can sit in front of the seat, and the safety of the driving process is improved.

The existing child seat is relatively simple in structure, and the child seat is connected with the support rod of the electric vehicle seat/bicycle seat through the foldable connecting device, however, the existing foldable connecting device for the child seat has the problem that the angle cannot be adjusted or is inconvenient to adjust in use, and the convenience and the practicability of the child seat are influenced to a great extent.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a collapsible connecting device of children's seat to promote its folding convenience of adjusting.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a child seat foldable connection device for connection between a support bar of an electric vehicle seat/bicycle seat and a child seat, the child seat foldable connection device comprising:

the mounting piece comprises a mounting main body and a mounting part fixedly connected to the mounting main body; the mounting part is configured to be matched with an outer part to fix the mounting part on the support rod; the mounting main body comprises two first side plates which are arranged at intervals, first shaft holes and strip-shaped holes are formed in the two first side plates, and the two first shaft holes and the two strip-shaped holes are respectively arranged correspondingly;

the connecting piece is provided with a second shaft hole in a forming mode, at least two positioning matching parts are formed at one end of the connecting piece, and a connecting part is formed at the other end of the connecting piece; and at least two of said locating engagement portions are arranged around said second shaft aperture, said connecting portion being configured to engage with an outer member to secure said child seat to said connector;

the rotation control mechanism comprises a rotating shaft arranged by penetrating through the first shaft hole and the second shaft hole, a control piece arranged by penetrating through the strip-shaped hole, and an elastic piece connected between the rotating shaft and the control piece, wherein the control piece is provided with a positioning part which can be embedded or in butt fit with at least one positioning matching part;

the positioning part can be separated from the positioning matching part due to the fact that external force is applied to the control part, the elastic part gathers elastic potential energy, and the connecting piece can rotate relative to the mounting piece under the action of the external force; and because the external force is stopped being exerted on the control piece, the elastic potential energy is released, and the positioning part is matched with at least one positioning matching part, so that the locking of the connecting piece relative to the rotation of the mounting piece is formed.

Furthermore, the mounting body further comprises a first connecting plate connected to the upper parts of the two first side plates, and a second connecting plate connected to the lower parts of the two first side plates, and grooves are correspondingly formed in the first connecting plate and the second connecting plate for the support rods to be partially embedded in.

Furthermore, mounting plates are respectively arranged on the two first side plates, close to the support rod, in an outward extending mode, and the mounting portions are mounting holes formed in the mounting plates.

Further, in it gives way the hole to construct on the first connecting plate, the control is for wearing to locate the control lever in the bar hole, in set firmly on the control lever and carry the piece of drawing, just carry the piece of drawing have certainly give way the hole stretch out in the outer overhang of installed part.

Furthermore, a through hole is formed in the lifting piece, and the control rod penetrates through the through hole.

Furthermore, the elastic part is a tension spring connected between the rotating shaft and the control rod.

Furthermore, a yielding groove is formed in the lifting piece, and one end, connected with the control rod, of the tension spring is arranged in the yielding groove.

Further, the connecting piece comprises two second side plates arranged at intervals and a third connecting plate connecting the lower parts of the two second side plates; the rotating shaft penetrates through the two second side plates, the positioning matching parts are constructed on the two second side plates, and the two positioning matching parts on the second side plates are correspondingly arranged.

Further, the positioning matching part comprises an arc-shaped section and a positioning groove, the arc-shaped section and the positioning groove are formed on the second side plate, the positioning groove is arranged close to the upper portion of the second side plate, the arc-shaped section takes the second shaft hole as the center, and the arc-shaped section extends from the upper portion of the second side plate to the lower portion of the second side plate; the connecting parts are through holes correspondingly arranged on the two second side plates.

Furthermore, a positioning hole is formed in the first side plate, a positioning matching hole is formed in the second side plate corresponding to the positioning hole, and the distance from the positioning hole to the first shaft hole is equal to the distance from the positioning matching hole to the second shaft hole.

Compared with the prior art, the utility model discloses following advantage has:

(1) collapsible connecting device of children's seat, through the setting of rotation control mechanism, and rotation control mechanism mainly includes pivot, control and connects the elastic component between pivot and control, can be convenient for realize relative rotation and locking between connecting piece and the installed part, novel structure, it is easy and simple to handle, better practicality has.

(2) The installation main part includes first connecting plate and second connecting plate, and the whole weight of installed part is lighter, sets up the recess on first connecting plate and second connecting plate, is convenient for with the external member cooperation and with the stable installation of installed part on the bracing piece.

(3) The provision of a mounting plate having mounting holes further facilitates the mounting of the mounting member on the support bar in cooperation with the external member.

(4) Set up the hole of stepping down on first connecting plate, establish the control piece into the control lever to set up on the control lever and carry and draw the piece, make things convenient for the operator to carry and draw the control lever, it is convenient to control.

(5) The lifting piece is provided with the through hole, so that the control piece penetrates through the through hole, the lifting process is stable, and the assembly and disassembly are convenient.

(6) The elastic part is a tension spring, is a mature part and has lower cost.

(7) The pull piece is provided with the abdicating groove, so that one end of the tension spring connected with the control rod is arranged in the abdicating groove, the position of the tension spring is limited, and the pull piece is convenient to assemble and disassemble.

(8) The connecting piece includes the structure of two second curb plates and third connecting plate, simple structure, and weight is lighter, and the cost is lower.

(9) The connecting part is designed to be a through hole, so that the processing is easy and the connection is convenient.

(10) Set up locating hole and location mating holes, be favorable to wearing to locate in locating hole and location mating holes simultaneously through external component, and the restriction connecting piece rotates for the installed part.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a foldable connection device of a child seat according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic view of the connector of FIG. 2 rotated at an angle relative to the mounting member;

fig. 4 is a schematic structural diagram of a mounting member according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the hoop according to the embodiment of the present invention;

fig. 7 is a schematic structural view of a lifting member according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram illustrating an application state of the foldable connecting device of a child seat according to an embodiment of the present invention;

fig. 9 is another schematic structural diagram of an application state of the foldable connecting device of a child seat according to an embodiment of the present invention;

fig. 10 is a schematic view of the folded child seat shown in fig. 9.

Description of reference numerals:

1-mounting piece, 2-connecting piece, 3-lifting piece, 4-elastic piece, 5-rotating shaft, 6-control rod, 7-hoop, 8-supporting rod, 9-child seat body and 10-handrail;

101-a first side plate, 1011-a first shaft hole, 1012-a strip-shaped hole, 1013-a positioning hole, 102-a first connecting plate, 1021-a abdicating hole, 103-a second connecting plate, 104-a groove, 105-a mounting plate and 1051-a mounting hole;

201-second side plate, 2011-second shaft hole, 2012-positioning matching part, 2013-through hole, 2014-positioning matching hole, 202-third connecting plate;

301-via hole, 302-yielding slot; 701-connecting hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Further, in the following description, words such as "upper", "lower", "left", "right", etc., indicating orientations correspond to the state shown in fig. 2, so as to be convenient for description.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a foldable connecting device of a child seat, which mainly comprises an installation part, a connecting part and a rotary control mechanism, wherein the rotary control mechanism mainly comprises a rotating shaft, a control part and an elastic part; the positioning part of the control piece can be separated from the positioning matching part of the connecting piece due to the external force applied to the control piece, the elastic piece gathers the elastic potential energy, and the connecting piece can rotate relative to the mounting piece under the action of the external force; and because the external force is not applied to the control piece, the elastic potential energy is released, and the positioning part is embedded or in butt fit with at least one positioning matching part, so that the locking of the connecting piece relative to the installation piece is formed.

Based on the above overall design concept, an exemplary structure of the foldable connection device for a child seat of the present embodiment is shown in fig. 1 to 3, wherein the mounting member 1 is connected to the supporting rod 8 of the electric car seat/bicycle seat shown in fig. 9 or fig. 10, one end of the connecting member 2 is connected to the mounting member 1, the other end is connected to the child seat, and the armrest 10 of the child seat can be folded relative to the child seat body 9, and the folded child seat can drive the connecting member 2 to rotate relative to the mounting member 1, so as to rotate the child seat to a position where the riding is not affected.

In order to better understand the embodiment, the structure of the mounting member 1, which includes a mounting body and a mounting portion attached to the mounting body, will be briefly described with reference to fig. 4. The mounting body includes two first side plates 101 arranged at intervals, and further includes a first connecting plate 102 connected to upper portions of the two first side plates 101, and a second connecting plate 103 connected to lower portions of the two first side plates 101, and it should be noted that the upper and lower portions of the first side plates 101 described in this structure correspond to the upper and lower portions in the state shown in fig. 2.

In the state shown in fig. 4, the left side of the first side plate 101 is approximately circular, and the right side is rectangular. First shaft holes 1011 and strip-shaped holes 1012 are formed in the two first side plates 101, and the two first shaft holes 1011 and the two strip-shaped holes 1012 are arranged correspondingly. In this structure, the longitudinal direction of the strip-shaped hole 1012 on the same first side plate 101 extends in the radial direction of the first axial hole 1011. For positioning convenience, a positioning hole 1013 is further formed on the other side of the first axis hole 1011 relative to the side on which the bar hole 1012 is formed, and the number of the positioning holes 1013 may be one, two or more.

The first connecting plate 102 extends from the left side to the right side of the first side plate 101, the second connecting plate 103 is only disposed on the right side of the first side plate 101, and the first connecting plate 102 and the second connecting plate 103 are correspondingly provided with grooves 104 for partially embedding the supporting rod 8, so that the structure can be conveniently matched with the following hoop 7 to fixedly connect the mounting piece 1 to the supporting rod 8. In addition, a relief hole 1021 is formed in the first connecting plate 102 to facilitate installation of a pulling element 3, which will be described below, to limit the pulling element 3 without affecting the pulling movement of the pulling element 3.

The mounting portions are configured to cooperate with the exterior component to fix the mounting member 1 on the supporting rod 8, as shown in fig. 4, mounting plates 105 are respectively disposed on the two first side plates 101 and extend outward near the supporting rod 8, the mounting portions are mounting holes 1051 formed on the mounting plates 105, in this embodiment, two mounting holes 1051 are formed on each mounting plate 105, and the mounting holes 1051 may be circular holes, strip-shaped holes or other shapes so as to connect with the anchor ear 7 described below.

The structure of the connecting member 2 can be seen from fig. 5, and it includes two second side plates 201 arranged at intervals, and a third connecting plate 202 connecting the lower parts of the two second side plates 201, so that the overall weight is light, the structure is simple, and the reliability is high. A second shaft hole 2011 is formed in the connector 2, and a shaft 5 described below is inserted through the two second shaft holes 2011, and the shaft 5 serves as a central shaft for rotating the connector 2 with respect to the mounting member 1.

In a specific structure, at least two positioning matching parts 2012 are configured at one end of the connecting member 2, and a connecting part is configured at the other end of the connecting member 2. In a preferred embodiment, positioning engagement portions 2012 are formed on both the second side plates 201, the positioning engagement portions 2012 on the two second side plates 201 are correspondingly arranged, and at least two positioning engagement portions 2012 are arranged around the second shaft hole 2011.

More specifically, the positioning matching part 2012 includes an arc-shaped section and a positioning groove formed on the second side plate 201, the positioning groove is disposed near the upper portion of the second side plate 201, the arc-shaped section is centered on the second shaft hole 2011, and the arc-shaped section extends from the upper portion of the second side plate 201 to the lower portion of the second side plate 201; that is to say, the ends of the two second side plates 201 connected to the mounting member 1 are arc-shaped, the positioning fitting parts 2012 preferably include positioning grooves formed on the edges of the arc-shaped parts, and the positioning grooves on the two second side plates 201 are correspondingly arranged in pairs, so as to clamp the positioning parts of the control members in the positioning grooves. In this embodiment, the positioning matching part 2012 can be a positioning groove, and when the connecting member 2 is folded downward relative to the mounting member 1, the positioning groove can be positioned only by the arc-shaped edge of the second side plate 201, so that when the connecting member 2 is readjusted to the horizontal state, the pulling member 3 does not need to be pulled, and the connecting member 2 can be directly rotated back.

In addition, a plurality of positioning and matching holes 2014 are further disposed on the second side plate 201, the number of the positioning and matching holes 2014 is not limited, for example, one, three, five, and the like, when the number of the positioning and matching holes 2014 is more than two, each positioning and matching hole 2014 is disposed around the second shaft hole 2011, and the distance from the positioning and matching hole 2014 to the second shaft hole 2011 is the same as the distance from the positioning hole 1013 to the first shaft hole 1011, so that after the connecting member 2 rotates relative to the mounting member 1, the positioning hole 1013 corresponds to a different positioning and matching hole 2014, and an external member such as a bolt or other rod member is penetrated to limit the connecting member 2 from rotating relative to the mounting member 1.

The external member matched with the mounting part 1 can comprise an anchor ear 7, the structure of the anchor ear 7 can be shown in fig. 6, the anchor ear 7 is bent or punched and formed by a plate-shaped part, an arc-shaped groove for embedding the supporting rod 8 is formed in the middle of the anchor ear, connecting holes 701 are formed in two sides of the anchor ear, the number of the connecting holes 701 corresponds to the number and the positions of the mounting holes 1051, and the anchor ear can be a strip-shaped hole, a circular hole or other shapes, so that the anchor ear 1 and the anchor ear 7 can be connected through the matching of bolts and nuts penetrating through the connecting holes 701 and the mounting.

The connecting portion can be matched with the outer member to fix the child seat on the connecting member 2, and specifically, the connecting portion is a through hole 2013 correspondingly formed on the two second side plates 201. As shown in fig. 5, the number of the through holes 2013 is four, so that the installation position of the child seat 9 can be conveniently adjusted by inserting bolts connecting the child seat 9 and the connecting member 2 into different through holes 2013, and the number of the through holes 2013 can be set to other numbers.

In this embodiment, the rotation control mechanism includes a rotating shaft 5 passing through the first shaft hole 1011 and the second shaft hole 2011, a control member passing through the strip-shaped hole 1012, and an elastic member 4 connected between the rotating shaft 5 and the control member. Wherein, the elastic element 4 is preferably a tension spring connected between the rotating shaft 5 and the control rod 6, and the number of the tension springs can be one or more, so that the stable pulling process can be ensured. The control member has a positioning portion which can be embedded in at least one positioning matching portion 2012, and in this embodiment, the control member is preferably a control rod 6 which is inserted into the strip-shaped hole 1012, such as an existing bolt, and is inserted into the strip-shaped hole 1012 and can be embedded in the positioning matching portion 2012, and the locking state of the connecting member 2 relative to the mounting member 1 can be released by pulling up the control rod 6.

For convenience of operation, the control rod 6 is fixedly provided with the pulling member 3, and the structure of the pulling member 3 can be shown in fig. 7, and it has an overhang portion protruding from the abdicating hole 1021 outside the mounting member 1, in this embodiment, the shape of the overhang portion is not limited to the shape shown in fig. 7, and it can be processed into a shape convenient for an operator to pull, for example, it can be provided with arc-shaped grooves at two opposite sides of the overhang portion to facilitate finger-gripping to pull the pulling member 3.

For the convenience of assembly and disassembly, a through hole 301 is formed on the pulling member 3, a relief groove 302 is formed on the pulling member 3, the relief groove 302 is communicated with the through hole 301, the control rod 6 penetrates through the through hole 301, and one end of the tension spring connected with the control rod 6 is arranged in the relief groove 302.

Due to the arrangement of the structure, an external force for driving the control piece to slide along the length direction of the strip-shaped hole 1012 is applied to the control piece, the positioning part can be separated from the positioning matching part 2012, the elastic piece 4 gathers elastic potential energy, and the connecting piece 2 can rotate relative to the mounting piece 1 under the action of the external force; if the external force applied to the control member is stopped, the elastic potential energy is released, and the positioning part is matched with at least one positioning matching part 2012, so that the locking of the connecting member 2 relative to the mounting member 1 is formed.

Finally, it should be noted that, in the above structure, the rotating shaft 5 and the control rod 6 may be formed by other structures besides the existing bolt, and the connecting member 2 and the mounting member 1 are connected by matching with the nut, so as to function as the rotating shaft 5, for example, it may be a rod-shaped member, one end of which is provided with a head portion formed with a sunken groove, and the other end of which is formed with a threaded hole connected with the bolt in a threaded manner.

The foldable connecting device of the child seat of the embodiment is arranged through the rotary control mechanism, the rotary control mechanism mainly comprises the rotating shaft 5, the control part and the elastic part 4 connected between the rotating shaft 5 and the control part, relative rotation and locking between the connecting part 2 and the mounting part 1 can be conveniently realized, and the foldable connecting device of the child seat is novel in structure, simple and convenient to operate and has better practicability.

The foldable connecting device of the child seat in the embodiment is connected between the child seat and the supporting rod 8, so that the folding adjustment operation of the child seat is convenient, the child seat is lifted up during use, the state can be shown in fig. 9, the child seat is folded downwards when not in use, the interference on riding is reduced, the state can be shown in fig. 10, in addition, the adjusting angle of the child seat is selectable, and the foldable connecting device has better practicability.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A child seat foldable connection device to be connected between a support bar (8) of an electric car seat/bicycle seat and a child seat, characterized in that the child seat foldable connection device comprises:

the mounting piece (1) comprises a mounting main body and a mounting part fixedly connected to the mounting main body; the mounting part is configured to cooperate with an external part to fix the mounting part (1) on the support rod (8); the mounting main body comprises two first side plates (101) which are arranged at intervals, first shaft holes (1011) and strip-shaped holes (1012) are formed in the two first side plates (101), and the two first shaft holes (1011) and the two strip-shaped holes (1012) are respectively and correspondingly arranged;

the connecting piece (2) is provided with a second shaft hole (2011) in a forming mode, one end of the connecting piece (2) is provided with at least two positioning matching parts (2012), and the other end of the connecting piece (2) is provided with a connecting part; and at least two of said locating and engaging portions (2012) are arranged around said second shaft bore (2011), said connecting portion being configured to engage with an outer member to secure said child seat to said attachment member (2);

the rotation control mechanism comprises a rotating shaft (5) arranged through the first shaft hole (1011) and the second shaft hole (2011), a control piece arranged through the strip-shaped hole (1012), and an elastic piece (4) connected between the rotating shaft (5) and the control piece, wherein the control piece is provided with a positioning part which can be embedded or in butt fit with at least one positioning matching part (2012);

because external force for driving the control piece to slide along the length direction of the strip-shaped hole (1012) is applied to the control piece, the positioning part can be separated from the positioning matching part (2012), the elastic piece (4) gathers elastic potential energy, and the connecting piece (2) can rotate relative to the mounting piece (1) under the action of the external force; and because the external force is stopped being exerted on the control piece, the elastic potential energy is released, and the positioning part is matched with at least one positioning matching part (2012), so that the locking of the connecting piece (2) relative to the installation piece (1) is formed.

2. The child seat foldable attachment device of claim 1, wherein: the mounting body further comprises a first connecting plate (102) connected to the upper parts of the two first side plates (101), and a second connecting plate (103) connected to the lower parts of the two first side plates (101), and grooves (104) are correspondingly formed in the first connecting plate (102) and the second connecting plate (103) and used for partially embedding the supporting rods (8).

3. The child seat foldable attachment device of claim 2, wherein: mounting plates (105) are respectively arranged on the two first side plates (101) close to the supporting rod (8) in an outward extending mode, and the mounting portions are mounting holes (1051) formed in the mounting plates (105).

4. The child seat foldable attachment device of claim 2, wherein: the structure of the first connecting plate (102) is provided with a yielding hole (1021), the control piece is a control rod (6) penetrating through the strip-shaped hole (1012), a lifting piece (3) is fixedly arranged on the control rod (6), and the lifting piece (3) is provided with an extending portion extending out of the yielding hole (1021) and outside the mounting piece (1).

5. The child seat foldable connection device of claim 4, wherein: a through hole (301) is formed in the lifting piece (3), and the control rod (6) penetrates through the through hole (301).

6. The child seat foldable connection device of claim 4, wherein: the elastic piece (4) is a tension spring connected between the rotating shaft (5) and the control rod (6).

7. The child seat foldable attachment device of claim 6, wherein: an abdicating groove (302) is formed in the lifting piece (3), and one end of the tension spring, which is connected with the control rod (6), is arranged in the abdicating groove (302).

8. The child seat foldable connection device according to any one of claims 2-7, wherein: the connecting piece (2) comprises two second side plates (201) which are arranged at intervals and a third connecting plate (202) which is connected with the lower parts of the two second side plates (201); the rotating shaft (5) penetrates through the two second side plates (201), the positioning matching parts (2012) are constructed on the two second side plates (201), and the positioning matching parts (2012) on the two second side plates (201) are correspondingly arranged.

9. The child seat foldable attachment device of claim 8, wherein: the positioning matching part (2012) comprises an arc-shaped section and a positioning groove, the arc-shaped section and the positioning groove are formed on the second side plate (201), the positioning groove is arranged close to the upper part of the second side plate (201), the arc-shaped section takes the second shaft hole (2011) as the center, and the arc-shaped section extends from the upper part of the second side plate (201) to the lower part of the second side plate (201); the connecting parts are through holes (2013) correspondingly arranged on the two second side plates (201).

10. The child seat foldable attachment device of claim 8, wherein: a positioning hole (1013) is formed in the first side plate (101), a positioning matching hole (2014) is formed in the second side plate (201) corresponding to the positioning hole (1013), and the distance from the positioning hole (1013) to the first axis hole (1011) is equal to the distance from the positioning matching hole (2014) to the second axis hole (2011).