CN224125478U - Rotary locking mechanism for seat assembly and integrated table and chair - Google Patents

Abstract

This utility model discloses a rotation locking mechanism for a seat assembly and an integrated table and chair. The seat assembly includes a seat and a seat support mechanism. The seat is mounted on the seat support mechanism and is rotatable relative to the seat support mechanism. The rotation locking mechanism is assembled at the connection between the seat and the seat support mechanism. The rotation locking mechanism includes a locking switch wrench and a spring-loaded locking component. The locking switch wrench drives the spring-loaded locking component to lock and unlock the rotation of the seat. This rotation locking mechanism can lock and unlock the rotation of the seat assembly, has high structural reliability, and the locking and unlocking operations are simple, convenient, and smooth.

Description

Rotary locking mechanism for seat assembly and integrated table and chair

Technical Field

The utility model relates to the technical field of study tables and chairs, in particular to a rotation locking mechanism for a seat assembly and an integrated table and chair.

Background

The study desk and chair comprises a base assembly, a desk assembly and a chair assembly, and is an indispensable study furniture which is frequently used by students. The student chair is suitable for students of different ages and sizes, and the direction of the chair can be adjusted by the rotation function according to the demands of the students, so that more comfortable sitting postures are obtained, and uncomfortable feeling caused by long-time study is reduced. In a modern educational environment, students may need to move between different learning areas, or the direction of the seat is adjusted according to learning tasks, and the rotation of the learning chair can enable the students to quickly and conveniently adjust the position, so that the learning efficiency is improved. In addition, various learning tools and devices, such as books, notebook computers, tablets and the like, may be required to be used in the learning process, and the learning chair with the rotating function can enable students to more conveniently contact the tools without frequently lifting up or adjusting body postures.

In order to effectively prevent the study seat from unnecessarily rotating, the seat is ensured to be stable in the study process by students, and the rotation of the seat is required to be locked according to the requirement. The existing rotation locking mechanism is not reliable enough in structure, so that the chair can not provide enough stability in the use process, the locking and unlocking processes are complex, and the use is inconvenient.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide a rotation locking mechanism for a seat assembly and an integrated table and chair, wherein the rotation locking mechanism can lock and unlock the rotation of the seat assembly, and has higher structural reliability, and the locking and unlocking operations are simpler, more convenient and smoother.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

In one aspect, the utility model provides a rotation locking mechanism for a seat assembly, the seat assembly comprising a seat and a seat support mechanism, the seat being mounted on the seat support mechanism and being rotatable relative to the seat support mechanism, the rotation locking mechanism being mounted at the junction of the seat and the seat support mechanism, the rotation locking mechanism comprising a lock switching wrench and an elastic locking assembly, the lock switching wrench driving the elastic locking assembly in motion to lock and unlock rotation of the seat in a horizontal circumferential direction.

Further, the elastic locking assembly locks and unlocks the rotation of the seat through elastic telescopic action.

Further, the lock switching wrench is rotatably mounted on the bottom of the seat, and has a rotation action portion having a shallow recess and a deep recess which are engaged with the elastic locking assembly. The elastic locking component is used for unlocking the rotation of the seat through the matching of the deep notch, and the elastic locking component is used for locking the rotation of the seat through the matching of the shallow notch.

The elastic locking assembly comprises a sliding block and a locking block, wherein the locking block and the sliding block are matched and installed in a relatively movable mode, one side of the sliding block is matched with a rotation action part of the locking switching spanner, a locking matching structure is arranged at the joint of the seat and the seat supporting mechanism, the locking block is matched with the locking matching structure, a reset spring is arranged on one side, away from the locking switching spanner, of the sliding block and is used for resetting the sliding block, a matching spring is installed between the locking block and the sliding block, and the matching spring is used for realizing elastic sliding of the locking block in the sliding block.

Further, the locking engagement structure includes a first bayonet disposed on the seat bottom and a second bayonet disposed on the seat support mechanism. The first bayonet and the second bayonet are matched to form a locking matching structure, and are matched and clamped with a locking block of the elastic locking assembly.

In another aspect, the utility model provides an integrated table and chair comprising a movable base assembly, a seat assembly disposed on the base assembly, and a table assembly, wherein the seat assembly comprises a seat, a seat support mechanism and the rotation locking mechanism, and the table assembly comprises a table plate and a table plate support mechanism.

Further, a flip-type reading frame is arranged on the tabletop of the tabletop and used for supporting the standing books.

Further, the bottom of the desk plate is provided with a drawer, so that the desk plate can conveniently store trivial learning articles.

Further, the rear end of the desk plate is provided with a pen container and a semi-wrapping fence, the pen container and the semi-wrapping fence are matched with each other, and the pen container is an independent structural member or is of an integral structure with the semi-wrapping fence.

Further, the rear end of the pen container is detachably provided with a desk lamp.

The beneficial effects of the utility model are as follows:

The rotation locking mechanism comprises the locking switching wrench and the elastic locking assembly, and a user can drive the elastic locking assembly to act only by operating the locking switching wrench so as to lock and unlock the rotation of the seat.

The rotary locking mechanism disclosed by the utility model has the advantages that the structure is simple, the reliability and the stability of the locked structure are better, the locking and unlocking operations are simpler and more convenient, the unlocking and locking can be realized only by one action, other matched actions are not required to be carried out by a user, the accurate locking of the seat at a certain angle or position can be realized, the personalized requirements of different users are met, and various use scenes are adapted.

Drawings

FIG. 1 is a schematic view of a portion of a rotation lock mechanism and a seat support mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a rotation locking mechanism according to an embodiment of the present utility model mated with a seat;

FIG. 3 is a schematic view of another embodiment of a rotation locking mechanism of the present utility model engaged with a seat;

FIG. 4 is a schematic view of an integrated table and chair according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an integrated table and chair according to another embodiment of the present utility model;

FIG. 6 is a schematic view showing a part of a structure of a seat back in an integrated table and chair according to an embodiment of the present utility model;

Figure 7 is a schematic view of a portion of a table assembly in an integrated table and chair according to an embodiment of the utility model.

In the figure:

1, a base assembly, 11, a base, 111, anti-skid lines and 12, a movable wheel;

2, seat assembly 21, seat 211, tray 2111, first bayonet 212, mounting housing 213, cover plate 214, backrest 215, backrest adjustment knob 216, adjustment hole 217, bar slide 22, seat support mechanism 221, support tray 2211, second bayonet 222, height adjustment wrench 23, rotation locking mechanism 231, lock switch wrench 2311, wrench portion 2312, rotation action portion 2313, deep notch 2314, shallow notch 232, slider 2321, guide slot 233, lock block 2331, lock head 2332, guide shaft 234, return spring 235, mating spring;

The desk comprises a desk component 31, a desk plate 311, a storage groove 312, a semi-bag fence, 32, a desk plate supporting mechanism 321, a desk plate height adjusting knob 322, a desk leg inner pipe 323, a desk leg outer pipe, 33, a desk plate front-back adjusting mechanism 331, a sliding rail 332, a fixed disc, 3321, a clamping groove 333, a desk plate adjusting spanner, 3331, a clamping block 34, an outer bag plate 35, a drawer 351, a drawer front area 352, a drawer expansion area 353, a drawer limiting structure 354, a handle groove 36, a semi-bag baffle plate 361, a hole 37, a pen container 38, a desk lamp 39 and a flip type reading frame.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

A preferred embodiment of a rotational locking mechanism for a seat assembly is shown in fig. 1-3. The seat assembly comprises a seat 21 and a seat supporting mechanism 22, wherein the seat 21 is installed on the seat supporting mechanism 22 and can rotate relative to the seat supporting mechanism 22, the rotation locking mechanism 23 is assembled at the joint of the seat 21 and the seat supporting mechanism 22, the rotation locking mechanism 23 comprises a locking switching spanner 231 and an elastic locking assembly, and the locking switching spanner 231 drives the elastic locking assembly to act so as to lock and unlock the rotation of the seat 21.

Specifically, the seat 21 has a tray 211 at its bottom and the seat support mechanism 22 has a support plate 221 at its upper portion, the tray 211 being rotatably connected to the support plate 221 so that the entire seat assembly 2 can rotate relative to the seat support mechanism 22.

The seat bottom tray 211 has a fitting housing 212 mounted thereon, and the lock switching wrench 231 is rotatably mounted on the fitting housing 212. Specifically, the lock switching wrench 231 has a wrench portion 2311 and a rotation action portion 2312, wherein the wrench portion 2311 protrudes from the assembly housing 212, and the rotation action portion 2312 is rotatably connected to the front portion of the assembly housing 212 through a rotation shaft. The rotation action portion 2312 has a shallow recess 2314 and a deep recess 2313 to be engaged with the elastic locking means. An engagement protrusion is formed between the deep notch 2313 and the shallow notch 2314.

The assembly housing 212 is provided with an assembly sliding cavity, the elastic locking component is assembled in the assembly sliding cavity of the assembly housing 212, the elastic locking component comprises a sliding block 232 and a locking block 233, a moving cavity is formed in the sliding block 232, the locking block 233 is assembled in the moving cavity, and a locking head 2331 of the locking block 233 extends out of the assembly housing 212. The slider 232 is further provided with a guide groove 2321, and the locking block 233 is provided with a guide shaft 2332 matched with the guide groove 2321. The lock block 233 and the slider 232 are movable relative to each other. A return spring 234 is provided between the side of the slider 232 remote from the lock switching wrench and the fitting housing 212, and a mating spring 235 is provided between the lock block 233 and the slider 232. The return spring 234 is used to return the slider 232, and the mating spring 235 is used to elastically slide the lock block 233 with respect to the slider 232. One side of the slider 232, which is close to the lock switching wrench, is a triangle structure, which is engaged with the rotation action portion 2312 of the lock switching wrench 231.

The connection between the seat 21 and the seat support mechanism 22 is provided with a locking engagement structure, and the locking block 233 is engaged with the locking engagement structure. Specifically, the tray 211 of the seat bottom is provided with a first bayonet 2111, the support plate 221 of the seat support mechanism 22 is provided with a plurality of second bayonets 2211 distributed along the circumferential direction of the support plate, and the first bayonet 2111 and the second bayonet 2211 cooperate to form a locking cooperation structure, and the locking head 2331 of the locking block 233 cooperates with the locking cooperation structure.

The elastic locking assembly is unlocked from the rotation of the seat 21 in the horizontal circumferential direction by the elastic telescoping action by the engagement of the deep notch 2313, and is locked from the rotation of the seat 21 in the horizontal circumferential direction by the elastic telescoping action by the engagement of the shallow notch 2314.

For aesthetic purposes, the bottom of the seat 21 is provided with a cover plate 213 covering said tray 211 and support plate 221.

In the unlocked state of the rotation lock mechanism 23, the user can rotate the seat 21, when rotated to a certain position, operate the lock switch wrench 231 to rotate, the triangular structure of the slider 232 is disengaged from the deep notch 2313 of the lock switch wrench 231, the slider 232 moves toward the direction of the lock engagement structure during the disengagement, and the lock piece 233 also moves with the slider 232, and the lock head of the lock piece 233 is caught in the aligned first bayonet 2111 and second bayonet 2211. At this time, as the lock switching wrench 231 continues to rotate, the slider 232 continues to move, and since the lock block 233 has been locked into the lock engagement structure and cannot continue to move, the lock block 233 moves relative to the slider 232 under the action of the engagement spring 235, and when the lock switching wrench 231 rotates until the triangular structure of the slider contacts the engagement protrusion between the deep recess and the shallow recess, the slider 232 is completely ejected out of the deep recess 2313 of the lock switching wrench 231, the lock switching wrench 231 continues to rotate, the triangular structure of the slider 232 enters the shallow recess 2314 of the lock switching wrench 231, the slider 232 moves in a direction away from the lock engagement structure, and the lock block 233 remains locked into the lock engagement structure, at which time the lock operation is completed. When unlocking is needed, the locking switch spanner 231 is rotated in the opposite direction, the sliding block 232 is separated from the shallow notch 2314 of the locking switch spanner 231 and enters the deep notch 2313, the sliding block 232 is reset in the direction away from the locking matching structure under the action of the reset spring 234, the locking block 233 moves along with the sliding block 232, and the locking matching structure is separated to realize unlocking. At this time, the user can rotate the seat.

As shown in fig. 1 to 7, the present utility model also provides an integrated table and chair comprising a movable base assembly 1, a seat assembly 2 provided on the base assembly 1, and a table assembly 3.

The seat assembly 2 includes a seat 21, a seat support mechanism 22, and a rotational locking mechanism 23 as described above. The seat 21 is mounted on a seat support mechanism 22, the seat support mechanism 22 is mounted on the base assembly 1, the seat 21 is rotatable relative to the seat support mechanism 22, and a rotation lock mechanism 23 is used to lock rotation of the seat 21 in the horizontal circumferential direction.

In the preferred embodiment, the seat support mechanism 22 is a gas spring structure, and a height adjustment wrench 222 is connected to the upper end (upper end of the gas lever) of the gas spring structure through the support plate 221, and the gas spring structure can be activated by operating the height adjustment wrench 222 to adjust the seat height.

The backrest 214 is provided on the seat 21, and the backrest 214 is provided on the back plate of the seat 21 in a manner that the backrest can slide up and down. The structure for realizing the up-and-down sliding of the backrest can be that two bar-shaped sliding parts 217 are symmetrically arranged on the backrest 214, two bar-shaped sliding holes matched with the bar-shaped sliding parts are symmetrically arranged on the back plate of the seat 21, a plurality of adjusting holes 216 are arranged on the backrest 214 along the height direction, and a backrest adjusting knob 215 is arranged on the back plate of the seat 21. With the cooperation of the bar-shaped sliding member and the bar-shaped sliding hole, the backrest 214 can slide up and down to adjust the height of the backrest 214. The backrest adjusting knob 215 adjusts and locks the height of the backrest 214 through a certain adjusting hole 216 locked on the backrest 214.

The table assembly 3 includes a table 31 and a table support mechanism 32, the table 31 being mounted to the base assembly 1 by the table support mechanism 31. In the preferred embodiment, the table support mechanism 32 is a telescopic tube lifting structure, on which the table height adjusting knob 321 is mounted, and the telescopic tube structure is an existing structure, and includes a leg inner tube 322 and a leg outer tube 323, the leg inner tube 322 is mounted in the leg outer tube 323, the upper end of the leg inner tube 322 is connected with the table 31, and the lower portion of the leg outer tube 323 is connected with the base assembly 1. A screw rod lifting device is arranged in the table leg inner tube 322. Through the table height adjusting knob 321, the screw rod lifting device is utilized to drive the table leg inner tube 322 and the table 31 on the table leg inner tube to move up and down so as to realize the adjustment of the height of the table.

The bottom of the desk plate 31 is provided with a desk plate front-back adjusting mechanism 33. The table front-rear adjustment mechanism 33 includes a slide rail 331, a fixed plate 332, and a table adjustment wrench 333. The fixed disc 332 is fixed on the table supporting mechanism 32, two sliding rails 331 are symmetrically fixed on the left and right sides of the bottom of the table 31, and two sides of the fixed disc 332 are respectively slidably engaged with the two sliding rails 331. The table 31 is pulled and the table 31 can be moved back and forth relative to the fixed disk 332 by the slide rail 331 to adjust the distance between the table 31 and the seat 21. One side of the fixing plate 332 is provided with a plurality of catching grooves 3321 arranged front and back. The table adjusting wrench 333 is rotatably mounted on the sliding rail 331 near the side of the fixed plate, which is provided with the clamping groove, and a torsion spring is further disposed at the rotation connection position of the table adjusting wrench 333. One end of the table adjusting wrench 333 facing the fixing plate 332 is provided with a clamping block 3331, and the clamping block 3331 is matched with the clamping groove 3321 to lock the position of the table. When the table plate adjusting wrench 333 is pressed during use, the table plate adjusting wrench 333 overcomes the acting force of the torsion spring, one end of the table plate adjusting wrench is close to the table plate 31, the clamping block 3331 at the other end is separated from the clamping groove 3321 of the fixed disc 332, at this time, the table plate 31 can be moved back and forth, after the table plate adjusting wrench 333 is loosened after the table plate adjusting wrench is moved to a proper position, and the clamping block 3331 is clamped into the clamping groove 3321 of the fixed disc 332, so that locking is realized. Both ends all are equipped with slide rail limit structure around slide rail 331, prevent the slippage.

The bottom of the table plate is provided with an outer cover plate 34 made of plastic, the outer cover plate 34 is covered on the fixed disc 332 and the sliding rail 331, and in order to match the sliding of the table plate 31, the outer cover plate 34 is provided with a slot extending forwards and backwards. In addition, the outer cover plate 34 is further provided with an exposed groove adapted to the table adjusting wrench 333.

The front side of the bottom of the desk plate 31 is also provided with a drawer 35 which can conveniently store trivial learning objects. The overall width of the drawer 35 corresponds to the width of the table. The wrapper sheet 34 and the drawer 35 form a round and smooth integral structure, so that the collision problem of the local bulge structure is avoided, and the structure is tidier and more attractive.

In the preferred embodiment, the drawer 35 is a 匚 -shaped structure having a drawer front 351 and a drawer amplification 352. The wrapper 34 has a pull-out mating region that mates with a drawer amplification region 352 into which the drawer amplification region 352 extends. The drawer expansion areas 352 on both sides of the drawer can maximize the use area of the drawer 35 and increase the storage amount. The end of the drawer amplification area of the drawer 35 is also provided with a drawer limiting structure 353, and the drawer limiting structure 353 extends downwards, so that the drawer 35 can be limited after the drawer is pulled, and pull-out is avoided. In addition, a drawer front region of the drawer 35 is provided with a handle groove 354, and the handle groove 354 facilitates a user to pull the drawer 35.

The rear end edge of the table plate 31 is provided with a half-package fence 312, a clamping groove is formed between the half-package fence 312 and the table plate 31, the rear end of the table plate 31 is also provided with a pen container 37 and two half-package baffles 36, the rear side of the pen container 37 is matched with a lower notch arranged on the half-package fence 312 to divide the half-package fence 312 into a left part and a right part, the two half-package baffles 36 are respectively attached to the left part and the right part of the half-package fence, the lower end of the half-package baffle 36 is fixedly inserted in the clamping groove, and the upper end of the half-package baffle 36 is higher than the half-package fence. The upper end of the semi-packing baffle 36 is also provided with a plurality of holes 361, and the holes 361 can facilitate the movable insertion of other small fittings.

The semi-enclosed barrier 36 may be made entirely of transparent material, or may be made partly of transparent material and partly of translucent material. The rear side of the pen container 37 is provided with a desk lamp connector or a desk lamp placing frame, and the desk lamp 38 is detachably connected to the desk lamp connector or placed in the desk lamp placing frame.

The table plate 31 is also rotatably provided with a flip-type reading frame 39 for supporting the standing book, and is provided with a receiving groove 311, and the flip-type reading frame 39 can be received in the receiving groove 311.

The front side of the desk plate 31 is of an arc-shaped structure, which is convenient for the rest of arms and reflects the sense of wrapping.

The base assembly 1 of the integrated desk and chair comprises a base 11 and a moving wheel 12 arranged on the bottom of the base, and the integrated desk and chair can be moved at will by the moving wheel 12. The base 11 is provided with anti-slip lines 111 near the seat.

The user can rotate the seat and lock by using the rotation locking mechanism when using the integrated seat, the user can also adjust the height of the seat by using the height adjusting spanner, can adjust and lock the height of the backrest by using the backrest adjusting knob, can adjust the distance between the table and the seat by using the table front-back adjusting mechanism, and can adjust the height of the table by using the telescopic sleeve lifting structure.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A rotational locking mechanism for a seat assembly, the seat assembly comprising a seat and a seat support mechanism, the seat being mounted on the seat support mechanism and rotatable relative to the seat support mechanism, characterized in that: the rotation locking mechanism is assembled at the joint of the seat and the seat supporting mechanism and comprises a locking switching spanner and an elastic locking assembly, and the locking switching spanner drives the elastic locking assembly to act so as to lock and unlock the rotation of the seat in the horizontal circumferential direction.

2. A rotational locking mechanism for a seat assembly as defined in claim 1 wherein said resilient locking assembly locks and unlocks rotation of said seat by a resilient telescoping action.

3. A rotational locking mechanism for a seat assembly as set forth in claim 1 wherein said lock switch wrench is rotatably mounted to the bottom of said seat, said lock switch wrench having a rotational action portion with shallow and deep recesses for engagement with a resilient locking assembly.

4. A rotary locking mechanism for a seat assembly according to claim 2 or 3, wherein the elastic locking assembly comprises a sliding block and a locking block, the locking block and the sliding block are matched and installed in a relatively movable mode, one side of the sliding block is matched with a rotary action part of the locking switching spanner, a locking matching structure is arranged at the joint of the seat and the seat supporting mechanism, the locking block is matched with the locking matching structure, a return spring is assembled on the side, away from the locking switching spanner, of the sliding block, and a matching spring is installed between the locking block and the sliding block.

5. A rotational locking mechanism for a seat assembly as defined in claim 4, wherein said lock engagement structure comprises a first bayonet disposed on said seat bottom and a second bayonet disposed on said seat support mechanism.

6. An integrated table and chair comprising a movable base assembly, a seat assembly disposed on the base assembly and a table assembly, the seat assembly comprising a seat, a seat support mechanism and the rotational locking mechanism of any one of claims 1 to 5, the table assembly comprising a table and a table support mechanism.

7. The integrated table and chair of claim 6, wherein the top of the table is provided with a flip-top reading frame.

8. The integrated table and chair of claim 6, wherein the bottom of the table is provided with drawers.

9. The integrated desk and chair as claimed in claim 6, wherein the rear end of the desk plate is provided with a pen container and a semi-enclosed fence, the pen container and the semi-enclosed fence are matched with each other, and the pen container is an independent structural member or is integrated with the semi-enclosed fence.

10. The integrated desk and chair as claimed in claim 9, wherein the rear end of the pen container is detachably provided with a desk lamp.