CN220512517U

CN220512517U - Headrest-adjustable seat

Info

Publication number: CN220512517U
Application number: CN202322291978.5U
Authority: CN
Inventors: 陈旭辉
Original assignee: Anji Aosen Intelligent Furniture Co ltd
Current assignee: Anji Aosen Intelligent Furniture Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-02-23
Anticipated expiration: 2033-08-24

Abstract

The utility model provides a seat with adjustable headrest for the prior art's that mentions among the solution background art seat headrest is not adjustable, when different user crowd uses, can't adjust it according to self demand, thereby reduce user's riding comfort's technical problem, which comprises a base plate, braced frame has been set firmly on the bottom plate, two vertical dead lever has set firmly on the braced frame, two a plurality of vertical arrangement's jack has all been seted up on the dead lever, two be equipped with the installation piece between the dead lever, set firmly the headrest towards the bottom plate on the installation piece, be equipped with two joint subassemblies that are used for with the jack joint on two dead levers of one-to-one on the installation piece.

Description

Headrest-adjustable seat

Technical Field

The utility model relates to the technical field of seat processing, in particular to a seat with an adjustable headrest.

Background

The chair is a daily furniture, a seat with a backrest and armrests, and plays an important role in daily life, work and study of people.

The utility model patent literature of prior art ' CN219069799U ' and the patent name of the chair is a functional stainless steel leisure chair ' discloses a chair, which comprises a seat panel, wherein the bottom end of the seat panel is provided with supporting legs which incline outwards, the bottom ends of the two supporting legs on the same side are fixedly connected with arc feet, the two sides of the top end of the seat panel are respectively provided with a handrail, the rear end of the seat panel is connected with a backrest board through a rotating shaft, and a headrest is arranged on the backrest board.

The headrest in the above patent document is not adjustable, and when different user groups use, it cannot be adjusted according to own needs, thereby reducing riding comfort of the user.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a seat with an adjustable headrest, which is used for solving the technical problems that the headrest of the prior art mentioned in the background art is not adjustable, and when different users use the seat, the seat can not be adjusted according to the needs of the users, so that the riding comfort of the users is reduced.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a seat with adjustable headrest, includes the bottom plate, braced frame has been set firmly on the bottom plate, braced frame is last to have set firmly two vertical dead levers, two a plurality of vertical arrangement's jack has all been seted up on the dead lever, two be equipped with the installation piece between the dead lever, set firmly the headrest towards the bottom plate on the installation piece, be equipped with two on the installation piece be used for with two dead lever of one-to-one jack joint's joint subassembly.

Working principle:

when the user sits on the seat and needs to adjust the headrest, the clamping state of the installation block and the two fixing rods is released through the clamping assembly, after the clamping state is released, the user moves the position of the installation block, so that the position of the headrest is adjusted, after the headrest is adjusted to a proper position, an operator clamps the clamping assembly with the insertion holes on the fixing rods again, and then the installation block is fixed on the fixing rods, so that the user can adjust the headrest according to own requirements.

Compared with the prior art, the utility model has the following beneficial effects:

first, be equipped with the joint subassembly, the accessible joint subassembly is relieved the joint with the jack on the dead lever and is adjusted its headrest, and the headrest is adjusted the back of accomplishing, and the user can carry out the joint with the jack on joint subassembly and the dead lever again to adjust the position of headrest, the user of being convenient for adjusts the headrest.

Drawings

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

FIG. 2 is a schematic view of the assembly of a headrest with two securing posts of the present utility model;

FIG. 3 is a schematic view of the assembly of the backrest and the module according to the present utility model.

Reference numerals illustrate: the seat comprises a bottom plate 1, a supporting frame 2, a fixed rod 3, an inserting hole 4, a mounting block 5, a headrest 6, a first connecting block 7, a second connecting block 8, a through groove 9, a screw rod 10, a sliding block 11, a ball 12, a first spring 13, a moving block 14, a penetrating rod 15, a roller 16, a second spring 17, a mounting cavity 18, a backrest 19, a lumbar support 20, a module 21, a buckle 22, a clamping block 23, a cushion 24, a pressure sensor 25, an air bag 26, an air pump 27, an armrest 28, an air rod 29 and a chair leg 30.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1, a seat with adjustable headrest, including bottom plate 1, braced frame 2 has set firmly on the bottom plate 1, braced frame 2 is last to have set firmly two vertical dead levers 3, two jack 4 of a plurality of vertical arrangements have all been seted up on the dead lever 3, two be equipped with installation piece 5 between the dead lever 3, headrest 6 towards bottom plate 1 has set firmly on the installation piece 5, be equipped with two on the installation piece 5 be used for with the joint subassembly of jack 4 joint on two dead levers 3 of one-to-one.

As shown in fig. 2, the clamping assembly comprises a first spring 13, a moving block 14 with an inclined end, a penetrating rod 15, a roller 16 and a second spring 17, wherein a mounting cavity 18 is formed in the second connecting block 8, the first spring 13 is fixedly arranged in the mounting cavity 18, the moving block 14 is slidably arranged in the mounting cavity 18 and fixedly connected with the first spring 13, the penetrating rod 15 is slidably penetrating through the second connecting block 8 and extends into the mounting cavity 18, the penetrating rod 15 is clamped with one of the jacks 4 on the fixed rod 3, the roller 16 is arranged on the penetrating rod 15 and is abutted against the moving block 14, and the second spring 17 is fixedly arranged in the mounting cavity 18 and fixedly connected with the penetrating rod 15.

When a user sits on the seat and needs to adjust the headrest 6, the user pulls the moving block 14 upwards, the moving block 14 pulls upwards, the first spring 13 is changed into a stretching state from a natural state, in the moving process of the moving block 14, the roller 16 on the penetrating rod 15 is attached to the surface of the moving block 14 and gradually contacts with the inclined surface of the moving block 14, after the roller 16 contacts with the inclined surface of the moving block 14, the second spring 17 on the penetrating rod 15 pushes the penetrating rod 15, the second spring 17 is changed into a natural state from a compression state, the penetrating rod 15 gradually withdraws from the jack 4 on the fixed rod 3, the penetrating rod 15 is further separated from the jack 4, then the position of the headrest 6 can be adjusted by the user, after the adjustment is completed, the user loosens the moving block 14, the moving block 14 returns to the initial position again under the pulling force of the first spring 13, the penetrating rod 15 is also clamped with the jack 4 again, and therefore the headrest 6 after the movement is fixed, and the elasticity coefficient of the first spring 13 is larger than that of the second spring 17.

As shown in fig. 2, the mounting block 5 includes a first connecting block 7 and a second connecting block 8, the headrest 6 is fixedly arranged on the first connecting block 7, a through groove 9 is formed in the second connecting block 8, a screw rod 10 is rotationally arranged in the through groove 9, a sliding block 11 is fixedly arranged on the first connecting block 7, the sliding block 11 is in threaded connection with the screw rod 10, and the sliding block 11 is in sliding connection with the through groove 9. As shown in fig. 2, the first connecting block 7 is provided with balls 12, and the balls 12 are connected with the second connecting block 8 in a rolling manner.

When the user needs to adjust the front and back positions of the headrest 6, the user rotates the screw rod 10, the two ends of the screw rod 10 are of a smooth round rod structure, the end part of the screw rod 10 is rotationally connected with the second connecting block 8 through the bearing, the screw rod 10 rotates to drive the sliding block 11 to move, the sliding block 11 moves to drive the first connecting block 7 to move, the first connecting block 7 moves to drive the headrest 6 to move, and accordingly the front and back positions of the headrest 6 are adjusted, and the balls 12 can reduce friction between the first connecting block 7 and the second connecting block 8 when the first connecting block 7 moves.

As shown in fig. 1 and 3, the support frame 2 is fixedly provided with a backrest 19 and a lumbar support 20, the backrest 19 is provided with a plurality of modules 21, the backrest 19 is fixedly provided with a buckle 22, the modules 21 are fixedly provided with a clamping block 23, and the clamping block 23 is clamped with the buckle 22.

The user can lean on the backrest 19 through the module 21, a certain gap is reserved between the modules 21, and the user can contact with air through the gap when leaning, so that the back of the user is dry, when the user needs to take down the module 21 from the backrest 19, the user pulls the module 21 to enable the clamping blocks 23 on the module 21 to be disengaged from the clamping buckles 22 on the backrest 19, and the module 21 is taken down from the backrest 19.

As shown in fig. 1, a cushion 24 is arranged on the bottom plate 1, a pressure sensor 25 is arranged on the bottom plate 1, an air bag 26 is arranged in the cushion 24, an air pump 27 is fixedly arranged on the bottom plate 1, and the air pump 27 is in conductive connection with the air bag 26.

When a user sits on the cushion 24, the pressure sensor 25 on the bottom plate 1 senses the weight of the user, when the weight of the user is larger than a set value, the air pump 27 blows air into the air bag 26 to expand the air bag, the cushion 24 can be inflated by the inflation of the air bag 26, the inflated air bag 26 provides a certain support for the user, the air pump 27, the pressure sensor 25 and the air bag 26 are electrically connected through the PLC, and the cushion belongs to the prior art, and a person of ordinary skill in the art can manufacture the cushion without creative labor.

As shown in fig. 1, the base plate 1 is provided with a detachable armrest 28, as shown in fig. 1, the base plate 1 is fixedly provided with an air rod 29, and the bottom of the air rod 29 is provided with a chair leg 30. The armrests 28 are detached from the bottom plate 1 through bolts, so that the armrests 28 can be conveniently detached by users, the height of the bottom plate 1 can be adjusted through the air rods 29, different users can be accommodated, and the chair legs 30 can provide a certain supporting force for the chair.

Working principle:

When the user needs to adjust the front and back position of headrest 6, the user rotates lead screw 10, and lead screw 10 both ends are smooth round bar structure and lead screw 10 tip and second connecting block 8 rotate through the bearing and are connected, specifically, the bearing inlays and establishes on the second connecting block 8, the tip of lead screw 10 wears to establish in the centre bore of bearing to this mode realizes rotating the connection, and lead screw 10 rotates and drives slider 11 and removes, and slider 11 removes and drives first connecting block 7 and remove, and first connecting block 7 removes and drive headrest 6 removes to adjust the front and back position of headrest 6, ball 12 can reduce the friction between them when first connecting block 7 removes on the second connecting block 8.

When a user needs to remove the module 21 from the backrest 19, the user pulls the module 21 so that the latch 23 on the module 21 is disengaged from the latch 23 on the backrest 19, thereby removing the module 21 from the backrest 19.

When a user sits on the seat cushion 24, the pressure sensor 25 on the bottom plate 1 senses the weight of the user, and when the weight of the user is greater than a set value, the air pump 27 blows air into the air bag 26 to expand the air bag, the expansion of the air bag 26 can enable the seat cushion 24 to bulge, and the bulged air bag 26 provides a certain support for the user.

The armrests 28 are detached from the bottom plate 1 through bolts, so that the armrests 28 can be conveniently detached by users, the height of the bottom plate 1 can be adjusted through the air rods 29, different users can be accommodated, and the chair legs 30 can provide a certain supporting force for the chair.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a seat with adjustable headrest, its characterized in that, includes bottom plate (1), braced frame (2) have been set firmly on bottom plate (1), braced frame (2) are last to have set firmly two vertical dead levers (3), two jack (4) of a plurality of vertical arrangements have all been seted up on dead lever (3), two be equipped with installation piece (5) between dead lever (3), headrest (6) towards bottom plate (1) have set firmly on installation piece (5), be equipped with two on installation piece (5) be used for with two dead levers (3) of one-to-one on jack (4) joint's joint subassembly.

2. A headrest-adjustable seat as claimed in claim 1, wherein: the mounting block (5) comprises a first connecting block (7) and a second connecting block (8), the headrest (6) is fixedly arranged on the first connecting block (7), a through groove (9) is formed in the second connecting block (8), a screw rod (10) is arranged in the through groove (9) in a rotating mode, a sliding block (11) is fixedly arranged on the first connecting block (7), the sliding block (11) is in threaded connection with the screw rod (10), and the sliding block (11) is in sliding connection with the through groove (9).

3. A headrest-adjustable seat as claimed in claim 2, wherein: the first connecting block (7) is provided with a ball (12), and the ball (12) is in rolling connection with the second connecting block (8).

4. A headrest-adjustable seat as claimed in claim 2, wherein: the clamping assembly comprises a first spring (13), a moving block (14) with an inclined surface at the end part, a penetrating rod (15), a roller (16) and a second spring (17), wherein an installation cavity (18) is formed in the second connecting block (8), the first spring (13) is fixedly arranged in the installation cavity (18), the moving block (14) is slidably arranged in the installation cavity (18) and fixedly connected with the first spring (13), the penetrating rod (15) is slidably arranged on the second connecting block (8) in a penetrating manner and extends into the installation cavity (18), the penetrating rod (15) is clamped with one of the jacks (4) on the fixed rod (3), the roller (16) is arranged on the penetrating rod (15) and is abutted to the moving block (14), and the second spring (17) is fixedly arranged in the installation cavity (18) and fixedly connected with the penetrating rod (15).

5. A headrest-adjustable seat as claimed in claim 1, wherein: the support frame (2) is fixedly provided with a backrest (19) and a lumbar support (20), the backrest (19) is provided with a plurality of modules (21), the backrest (19) is fixedly provided with a buckle (22), the modules (21) are fixedly provided with clamping blocks (23), and the clamping blocks (23) are connected with the buckle (22) in a clamping mode.

6. A headrest adjustable seat as claimed in claim 5 wherein: the novel air cushion is characterized in that a cushion (24) is arranged on the bottom plate (1), a pressure sensor (25) is arranged on the bottom plate (1), an air bag (26) is arranged in the cushion (24), an air pump (27) is fixedly arranged on the bottom plate (1), and the air pump (27) is connected with the air bag (26) in a conducting mode.

7. A headrest adjustable seat as claimed in claim 6 wherein: the base plate (1) is provided with a detachable armrest (28).

8. A headrest adjustable seat as claimed in claim 7 wherein: an air rod (29) is fixedly arranged on the bottom plate (1), and a chair leg (30) is arranged at the bottom of the air rod (29).