CN220756987U

CN220756987U - Seat headrest adjusting device and seat

Info

Publication number: CN220756987U
Application number: CN202322513650.3U
Authority: CN
Inventors: 应恭民
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-12
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a seat headrest adjusting device and a seat, wherein the seat headrest adjusting device comprises an adjusting unit, a mounting piece and a connecting piece, wherein the mounting piece is used for mounting a headrest, the adjusting unit comprises a first adjusting unit and a second adjusting unit which is connected to one side of the first adjusting unit, an accommodating space is formed in the first adjusting unit, one side of the first adjusting unit, which is far away from the second adjusting unit, is open, the connecting piece comprises a connecting seat and a connecting part, the connecting seat is positioned in the accommodating space, the connecting part is connected with a seat back, the connecting seat is in sliding connection with the first adjusting unit, at least one first guide groove extending vertically is formed in the second adjusting unit, and the mounting piece and the first guide groove are in sliding adjustment. According to the utility model, the height and the front-back distance of the seat headrest can be conveniently and quickly adjusted, so that the requirements of different users are met.

Description

Seat headrest adjusting device and seat

Technical Field

The utility model relates to the technical field of seats, in particular to a seat headrest adjusting device and a seat.

Background

With the development of society, people have increasingly demanded seating comfort. The function of the seat headrest is to provide comfortable head support and neck safety, which helps to relieve the feel of fatigue of the head and neck during prolonged sitting and to provide additional support to keep the head in the correct position. Correct headrest position can help improve sitting posture, reduce neck and shoulder pressure, and provide additional comfort to the occupant.

In the process of using the seat in practice, a user may need to adjust the height and the front-rear distance of the headrest independently, the existing seat generally can only adjust the height of the headrest, for example, chinese patent No. CN201720175278.1 discloses a height adjusting device for the headrest of the seat, which comprises an adjusting seat, a vertical rod passing through the adjusting seat, a fixing plate for connecting the backrest with the adjusting seat, and an adjusting device installed in the adjusting seat, wherein a plurality of rectangular adjusting concave positions are uniformly arranged on the vertical rod, the adjusting seat is provided with an adjusting device, and a button passing through the fixing plate is provided on the adjusting device, a bump matching with the rectangular adjusting concave position towards the top end is provided on the adjusting device, and the bump is separated from the rectangular adjusting concave position by pressing the button, so that the vertical rod can be freely pulled in the adjusting seat, thereby realizing the height adjustment of the headrest. The device can conveniently and rapidly realize the height adjustment of the headrest, but can not realize the front-back movement adjustment of the headrest, and can not meet the demands of partial users.

Disclosure of Invention

The utility model aims to provide a seat headrest adjusting device which is convenient for adjusting the height and the front-back distance of a seat headrest.

The utility model is realized by the following technical scheme.

The utility model provides a seat headrest adjusting device, includes adjusting unit, is used for installing the installed part and the connecting portion of headrest, adjusting unit includes first adjusting unit and connects the second adjusting unit of first adjusting unit one side, the inside of first adjusting unit has accommodation space, just first adjusting unit keeps away from one side opening of second adjusting unit, the connecting part is including being located connecting seat and the connecting portion of being connected with the back of the chair in accommodation space, the connecting seat with first adjusting unit sliding connection, be equipped with at least one along vertical extension's first guide way on the second adjusting unit, the installed part with first guide way sliding adjustment.

As a further improvement of the utility model, the connecting seat is provided with a second guide groove extending along the length direction, and the inner wall of the first adjusting unit is provided with a positioning block which is matched with the second guide groove in a sliding way and protrudes outwards.

As a further improvement of the utility model, a plurality of supporting plates extending along the length direction are erected on the connecting seat, and the supporting plates are propped against the top inner wall of the first adjusting unit.

As a further improvement of the utility model, the first adjusting unit is provided with a locking and unlocking structure, the locking and unlocking structure penetrates through the first adjusting unit and the connecting seat, the bottom of the first adjusting unit is provided with a first connecting hole for the locking and unlocking structure to penetrate through, the top of the first adjusting unit is provided with a second connecting hole for the locking and unlocking structure to penetrate through, the locking and unlocking structure is provided with a protruding part, the first adjusting unit supports the locking and unlocking structure through the protruding part, and the connecting seat is provided with a hollow groove matched with the locking and unlocking structure.

As a further improvement of the utility model, the locking and unlocking structure further comprises a locking part and an unlocking part, wherein the locking part is positioned at the top of the locking and unlocking structure, the unlocking part is positioned below the locking part, the locking part is in locking fit with the hollowed-out groove, and the unlocking part is in unlocking fit with the hollowed-out groove.

As a further improvement of the utility model, the hollowed-out groove is arranged along the length direction of the connecting seat, the hollowed-out groove comprises a plurality of limiting grooves which are in locking fit with the locking part and are arranged at intervals and a sliding groove used for communicating with the limiting grooves, the locking part cannot pass through the sliding groove, and the sliding groove is in unlocking fit with the unlocking part.

As a further improvement of the utility model, the first guide groove comprises a slideway and a side wall, the slideway is vertically arranged on the second adjusting unit, the side wall is arranged on the side edge of the slideway, the side wall and the second adjusting unit form the first guide groove which is concave inwards, the mounting piece is provided with a sliding block, and the sliding block can slide along the first guide groove.

As a further improvement of the utility model, the second adjusting unit is provided with a plurality of inwards concave positioning grooves which are vertically arranged and mutually connected, the mounting part is provided with a clamping part matched with the positioning grooves, and the clamping part is clamped with the positioning grooves.

As a further development of the utility model, at least one outwardly projecting stop is provided on the second adjusting unit, which stop can be brought into abutment with the sliding block, the stop being used to limit the travel of the sliding block.

The utility model also provides a seat, comprising the seat headrest adjusting device.

The utility model has the beneficial effects that:

1. the utility model provides a seat headrest adjusting device which can conveniently and rapidly adjust the height and the front-back distance of a seat headrest and meet the requirements of different users.

2. According to the utility model, the locking and unlocking structure is matched with the first adjusting unit and the connecting seat, so that the locking and relative sliding of the connecting seat and the first adjusting unit can be realized rapidly, and the operation is simple.

Drawings

Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, to facilitate understanding of the objects and advantages of the present utility model, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the adjusting unit in the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a schematic view of a connector according to the present utility model;

FIG. 6 is a schematic view of another view of the connector according to the present utility model;

FIG. 7 is a schematic view of a locking and unlocking structure according to the present utility model;

FIG. 8 is a diagram showing the connection between the locking and unlocking structure and the connector according to the present utility model;

FIG. 9 is a schematic view of the structure of the mounting member of the present utility model;

in the figure: 1. an adjusting unit; 11. a first adjusting unit; 12. a second adjusting unit; 121. a first guide groove; 121a, a slideway; 121b, sidewalls; 122. a positioning groove; 123. a limiting block; 13. an accommodation space; 113. a positioning block; 14. a first connection hole; 15. a second connection hole; 2. a mounting member; 21. a clamping piece; 22. a sliding block; 3. a connecting piece; 31. a connecting seat; 32. a connection part; 311. a second guide groove; 312. a hollow groove; 312a, limit grooves; 312b, sliding grooves; 32. a connection part; 33. a support plate; 4. a locking and unlocking structure; 41. a locking part; 42. an unlocking part; 43. raised portion

Detailed Description

The utility model is described in further detail below with reference to the drawings and the examples.

The terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this specification are defined with respect to the configurations shown in the drawings, and the terms "inner" and "outer" refer to the relative concepts of the terms toward or away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the location and use state of the component. These and other directional terms should not be construed as limiting terms.

Referring to fig. 1-8, the utility model provides a seat headrest adjusting device, which comprises an adjusting unit 1, a mounting member 2 for mounting a headrest and a connecting member 3, wherein the adjusting unit 1 comprises a first adjusting unit 11 and a second adjusting unit 12 connected to one side of the first adjusting unit 11, the first adjusting unit 11 is in a shell structure and is far away from the second adjusting unit 12, one side of the first adjusting unit 11 is open, an accommodating space 13 is formed in the first adjusting unit 11, the connecting member 3 comprises a connecting seat 31 and a connecting part 32, the connecting seat 31 is located in the accommodating space 13, and the connecting part 32 is connected with a seat back and is located outside the accommodating space 13. The bottom of the connecting seat 11 is provided with a plurality of second guide grooves 311 extending along the length direction, the inner wall of the first adjusting unit 11 is provided with a positioning block 131 which is matched with the second guide grooves 311 and protrudes outwards, the positioning block 131 can be clamped in the second guide grooves 311 and slide along the second guide grooves 311, namely, the first adjusting unit 11 can slide back and forth relative to the connecting seat 31.

Meanwhile, a plurality of support plates 33 are erected on the connection base 31, the support plates 33 are arranged to extend along the length direction of the connection base 31, the top of each support plate 33 abuts against the inner wall of the top of the first adjusting unit 11, and the support plates 33 are arranged to improve the structural strength of the connection base 31 and support the first adjusting unit 11.

The first adjusting unit 11 is provided with a locking and unlocking structure 4, the locking and unlocking structure 4 penetrates through the first adjusting unit 11 and the connecting seat 31, and the locking and unlocking structure 4 is in locking fit with the hollowed-out groove 312 on the connecting seat 31 to fix the connecting seat 31 with the first adjusting unit 11. Specifically, a first connecting hole 14 through which the locking and unlocking structure 4 passes is formed in the bottom of the first adjusting unit 11, a second connecting hole 15 through which the locking and unlocking structure 4 passes is formed in the top of the first adjusting unit 11, a hollow groove 312 through which the locking and unlocking structure 4 passes is formed in the connecting seat, and the locking and unlocking structure 4 can slide up and down along the first adjusting unit 11 and the connecting seat 31. Meanwhile, the locking and unlocking structure 4 is provided with a protruding part 43 extending to the left and right sides, the protruding part 43 is located between the bottom of the first adjusting unit 11 and the connecting seat 31, the protruding part 43 abuts against the bottom of the first adjusting unit 11, and the first adjusting unit 11 supports the locking and unlocking structure 4 through the protruding part 43. The locking and unlocking structure 4 further comprises a locking portion 41 and an unlocking portion 42, wherein the locking portion 41 is located at the top of the locking and unlocking structure 4, and the unlocking portion 42 is located below the locking portion 41. Preferably, the hollow groove 312 extends along the length direction of the connecting seat 31, and is composed of a plurality of limiting grooves 312a and a sliding groove 312b, wherein the sliding groove 312b is connected between the plurality of limiting grooves 312a for communicating the limiting grooves 312a. Preferably, the limit groove 312a and the sliding groove 312b are rectangular grooves, and the width of the limit groove 312a is larger than the width of the sliding groove 312 b.

Referring to fig. 8, the locking part 41 can pass through the limiting groove 312 and cooperate with the limiting groove 312a to lock the connection base 31 with the first adjusting unit 11. The locking and unlocking structure 4 is moved upwards to enable the locking part 41 to be separated from the limiting groove 312a, the unlocking part 42 can be in unlocking fit with the hollowed-out groove 312, the unlocking part 42 can slide along the extending direction of the hollowed-out groove 312, relative sliding of the connecting seat 31 and the first adjusting unit 11 is achieved, and then the front-back distance of the headrest is adjusted.

Referring to fig. 1 to 4, two first guide grooves 121 extending vertically are disposed on two sides of the second adjusting unit 12, the two first guide grooves 121 are disposed opposite to each other, the first guide grooves 121 include a slide way 121a and a side wall 121b, the slide way 121a is disposed on the second adjusting unit 12 vertically, the side wall 121b is disposed on a side of the slide way 121a, and the slide way 121a, the side wall 121b and the second adjusting unit 12 are combined to form a first guide groove 121 recessed inwards. Meanwhile, the mounting member 2 is provided with a sliding block 22, the sliding block 22 is disposed between the two first guide grooves 121 and can slide along the first guide grooves 121, and the first guide grooves 121 define a moving track of the sliding block 22.

Further, the second adjusting unit 12 is provided with a plurality of positioning slots 122 recessed inwards, the positioning slots 122 are sequentially arranged along the height direction, and the plurality of positioning slots 122 are mutually engaged. Preferably, the positioning groove 122 is circular. Referring to fig. 9, the mounting member 2 is provided with a locking member 21 which is engaged with the positioning groove 122, and the locking member 21 protrudes outward. The clamping piece 21 is matched with the positioning groove 122 in a clamping way, so that the sliding block 22 and the second adjusting unit 12 are fixed. When the height of the headrest is adjusted, the sliding block can be moved, and the clamping piece 21 is matched with the positioning grooves 122 at different heights in a clamping way, so that the stability of the headrest adjusting device in operation when the height of the headrest adjusting device is adjusted is ensured.

Further, the second adjusting unit 12 is provided with a plurality of protruding limiting blocks 123, the limiting blocks 123 are located above the positioning slots 122, and the limiting blocks can be abutted against the sliding blocks. The stopper 123 defines a sliding stroke of the slider 22, preventing the mount 2 from coming out of the first guide groove 122 when the height adjustment is performed.

Embodiment 2, a seat comprising a seat adjustment device as described above.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme recorded in each embodiment can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a seat headrest adjusting device, its characterized in that, including adjusting unit (1), be used for installing mounting (2) and connecting piece (3) of headrest, adjusting unit (1) include first adjusting unit (11) and connect second adjusting unit (12) of first adjusting unit (11) one side, the inside of first adjusting unit (11) has accommodation space (13), just first adjusting unit (11) keep away from one side opening of second adjusting unit (12), connecting piece (3) are including being located connecting seat (31) and connecting portion (32) that are connected with the back of the chair in accommodation space (13), connecting seat (31) with first adjusting unit (11) sliding connection, be equipped with at least one along first guide way (121) of vertical extension on second adjusting unit (12), mounting (2) with first guide way (121) sliding adjustment.

2. A seat headrest adjusting device as claimed in claim 1, wherein the connecting seat (31) is provided with a second guide groove (311) extending in a length direction, and an inner wall of the first adjusting unit (11) is provided with an outwardly protruding positioning block (113) in sliding fit with the second guide groove (311).

3. A seat headrest adjusting device as claimed in claim 2, characterized in that a plurality of support plates (33) extending in the longitudinal direction are erected on the connection base (31), the support plates (33) being abutted against the inner wall of the top of the first adjusting unit (11).

4. The seat headrest adjusting device according to claim 1, characterized in that a locking and unlocking structure (4) is arranged on the first adjusting unit (11), the locking and unlocking structure (4) penetrates through the first adjusting unit (11) and the connecting seat (31), a first connecting hole (14) used for allowing the locking and unlocking structure (4) to penetrate through is formed in the bottom of the first adjusting unit (11), a second connecting hole (15) used for allowing the locking and unlocking structure (4) to penetrate through is formed in the top of the first adjusting unit (11), a protruding portion (43) is arranged on the locking and unlocking structure (4), the locking and unlocking structure (4) is supported by the first adjusting unit (11), and a hollowed-out groove (312) matched with the locking and unlocking structure (4) is formed in the connecting seat (31).

5. The seat headrest adjusting device according to claim 4, wherein the locking and unlocking structure (4) further comprises a locking portion (41) and an unlocking portion (42), the locking portion (41) is located at the top of the locking and unlocking structure (4), the unlocking portion (42) is located below the locking portion (41), the locking portion (41) is in locking fit with the hollowed-out groove (312), and the unlocking portion (42) is in unlocking fit with the hollowed-out groove (312).

6. The seat headrest adjusting device according to claim 5, wherein the hollow groove (312) is provided along a length direction of the connection seat (31), the hollow groove (312) includes a plurality of limit grooves (312 a) which are in locking engagement with the locking portion (41) and are provided at intervals, and a slide groove (312 b) which is used for communicating with the limit grooves (312 a), the locking portion (41) cannot pass through the slide groove (312 b), and the slide groove (312 b) is in unlocking engagement with the unlocking portion (42).

7. A seat headrest adjusting device as claimed in claim 1, characterised in that the first guide slot (121) comprises a slide (121 a) and a side wall (121 b), the slide (121 a) is vertically arranged on the second adjusting unit (12), the side wall (121 b) is arranged on the side edge of the first adjusting unit (11), the slide (121 a), the side wall (121 b) and the second adjusting unit (12) form the first guide slot (121) which is concave inwards, a sliding block (22) is arranged on the mounting member (2), and the sliding block (22) can slide along the first guide slot (121).

8. The headrest adjusting device for the seat according to claim 7, wherein a plurality of positioning grooves (122) which are arranged vertically and are mutually connected and recessed are formed in the second adjusting unit (12), a clamping piece (21) matched with the positioning grooves (122) is arranged on the sliding block (22), and the clamping piece (21) is clamped with the positioning grooves (122).

9. A seat headrest adjusting device as claimed in claim 7, characterised in that the second adjusting unit (12) is provided with at least one outwardly projecting stop (123), said stop (123) being arranged to abut the slider (22), said stop (123) being arranged to define the travel of the slider (22).

10. A seat comprising a seat headrest adjusting device according to any one of claims 1 to 9.