CN218960365U

CN218960365U - Swivel chair with adjustable headrest

Info

Publication number: CN218960365U
Application number: CN202222759026.7U
Authority: CN
Inventors: 邱玉新; 邱星
Original assignee: Anji Yuxing Furniture Co ltd
Current assignee: Shanghai Daimei Auto Parts Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-05-05
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a swivel chair with an adjustable headrest, which comprises a supporting base, a supporting mechanism and a bearing cushion, wherein pulleys are arranged at the bottom of the supporting base, the supporting mechanism is fixedly connected to the top of the supporting base, and the bearing cushion is arranged at the top of the supporting mechanism; further comprises: the armrests are arranged at the top of the bearing cushion, and the side sides of the armrests are provided with backrests; the connecting frame is fixedly connected to the outer wall of the backrest, a lifting block is arranged on the inner side of the connecting frame, and a connecting screw rod is connected to the inner threads of the lifting block; and the supporting rod is fixedly connected to the top of the lifting block, and the end part of the supporting rod is fixedly connected with a butt joint headrest. This swivel chair with adjustable headrest through rotating the connection lead screw, connects lead screw drive lifter and bracing piece at the connection frame internal motion, and when the bracing piece moved, can drive the high change of butt joint headrest, is convenient for adjust suitable height according to the user demand, and adjusts comparatively simple and convenient of operation.

Description

Swivel chair with adjustable headrest

Technical Field

The utility model relates to the technical field of swivel chairs, in particular to a swivel chair with an adjustable headrest.

Background

The swivel chair is a chair with a rotatable sitting part, the swivel chair is generally divided into a half swivel chair and a full swivel chair, and the swivel chair is provided with a round chassis and a pentagonal swivel chair when seen from a base, is widely used in office places due to convenience and comfortableness, and can adjust lifting height according to requirements, so that people with different heights can use the swivel chair conveniently.

Swivel chairs often can lie and have a rest on the swivel chairs in the use, and the headrest on the swivel chair back is difficult to adjust fast according to the demand, when different height crowd uses, because of the gap of body height, the headrest is difficult to fine bearing the head on the easy back that appears, easily appears the head uncomfortable and feel, influences swivel chair use travelling comfort.

Aiming at the existing problems, innovation based on the original swivel chair is urgently needed.

Disclosure of Invention

The utility model aims to provide a swivel chair with an adjustable headrest, which aims to solve the problems that the swivel chair provided in the background art can often lie on the swivel chair for rest in the use process, the headrest on the backrest of the swivel chair is difficult to quickly adjust according to requirements, when people with different heights use the swivel chair, the headrest on the backrest is easy to bear the head because of the difference of the heights of the people, the discomfort of the head is easy to occur, and the use comfort of the swivel chair is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the swivel chair with the adjustable headrest comprises a supporting base, a supporting mechanism and a bearing cushion, wherein pulleys are arranged at the bottom of the supporting base, the supporting mechanism is fixedly connected to the top of the supporting base, and the bearing cushion is arranged at the top of the supporting mechanism;

further comprises:

the armrests are arranged at the top of the bearing cushion, and the side sides of the armrests are provided with backrests;

the connecting frame is fixedly connected to the outer wall of the backrest, a lifting block is arranged on the inner side of the connecting frame, and a connecting screw rod is connected to the inner threads of the lifting block;

the support rod is fixedly connected to the top of the lifting block, and the end part of the support rod is fixedly connected with a butt joint headrest;

the connecting seat is fixedly connected to the outer wall of the handrail.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the bracing piece runs through in the inside of linking frame, and the bracing piece is provided with two about the axis symmetry of elevating block to be welded connection between bracing piece and the elevating block.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the side swing joint of connecting seat has the extension board, and the inside of extension board is provided with swing joint spare to the side of swing joint spare is provided with first spring, and the outer wall fixedly connected with stopper of swing joint spare simultaneously.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the inside of extension board is provided with the spacer, and the avris of spacer is connected with the second spring to the inside of second spring runs through there is spacing connecting piece.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the movable connecting piece and the limiting block are integrally arranged, and the limiting block forms an elastic telescopic structure with the extension plate through the movable connecting piece and the first spring.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the limiting blocks are connected with the armrests in a clamping mode, and the limiting blocks are symmetrically arranged relative to the armrests.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the locating pieces are welded with the limiting connecting pieces, and the two locating pieces are symmetrically arranged.

As an alternative to the headrest-adjustable swivel chair of the utility model, wherein: the overlooking appearance of the locating plate is in an arc structure, and the locating plate and the extension plate form an elastic telescopic structure through the second spring and the limiting connecting piece.

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

1. the adjustable swivel chair of the headrest is provided with the connecting screw rod, the connecting screw rod drives the lifting block and the supporting rod to move in the connecting frame through rotating the connecting screw rod, and when the supporting rod moves, the height of the headrest is driven to change, so that the proper height can be conveniently adjusted according to the requirements of a user, and the adjustment operation is simpler and more convenient;

2. the swivel chair with the adjustable headrest is provided with the extension plates, the extension plates arranged on the side of the armrest are utilized to improve the bearing surface of the arms, so that the arms of a user can lean against conveniently, and common articles can be placed on the surface of the supported extension plates temporarily conveniently, so that the swivel chair is convenient for bearing and placing the common articles in short time such as a zero-eating cup and the like, and the practicability of the swivel chair is improved;

3. the swivel chair with adjustable this headrest is provided with the spacer, utilizes the spacer that sets up on the extension board, and the spacer can carry out concertina movement through second spring and spacing connecting piece, and the spacer of being convenient for utilizes the spacer to carry out the centre gripping to the drinking cup fixedly, improves drinking cup placement stability, effectively avoids the easy touching of drinking cup and appears the condition that unexpected dropped.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the back and support bar rear view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic view of the connection structure between the handrail and the extension plate according to the present utility model;

FIG. 5 is a schematic view of an extension board handrail structure of the present utility model;

fig. 6 is a schematic diagram of a connection structure between an extension plate and a positioning plate according to the present utility model.

In the figure: 1. a support base; 2. a pulley; 3. a support mechanism; 4. supporting a cushion; 5. an armrest; 6. a backrest; 7. a connection frame; 8. a lifting block; 9. connecting a screw rod; 10. a support rod; 11. docking the headrest; 12. a connecting seat; 13. an extension plate; 14. a movable connecting piece; 15. a first spring; 16. a limiting block; 17. a positioning sheet; 18. a second spring; 19. and a limit connecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The present embodiment is intended to facilitate solving the problem of how to quickly adjust the height of the headrest, please refer to fig. 1-2, and the present utility model provides a technical solution: the swivel chair with the adjustable headrest comprises a supporting base 1, a supporting mechanism 3 and a bearing cushion 4, wherein a pulley 2 is arranged at the bottom of the supporting base 1, the supporting mechanism 3 is fixedly connected to the top of the supporting base 1, and the bearing cushion 4 is arranged at the top of the supporting mechanism 3; further comprises: the armrests 5 are arranged at the top of the supporting cushion 4, and the side sides of the armrests 5 are provided with backrests 6; the connecting frame 7 is fixedly connected to the outer wall of the backrest 6, a lifting block 8 is arranged on the inner side of the connecting frame 7, and a connecting screw rod 9 is connected to the inner thread of the lifting block 8; the supporting rod 10 is fixedly connected to the top of the lifting block 8, and the end part of the supporting rod 10 is fixedly connected with the butt joint headrest 11; the connecting seat 12 is fixedly connected to the outer wall of the armrest 5; the support rods 10 penetrate through the connecting frame 7, two support rods 10 are symmetrically arranged about the central axis of the lifting block 8, and the support rods 10 are in welded connection with the lifting block 8;

when the height of the butt joint headrest 11 on the backrest 6 is required to be adjusted, the connecting screw rod 9 on the connecting frame 7 is rotated, the connecting screw rod 9 drives the lifting block 8 and the supporting rod 10 to slide in the connecting frame 7, and when the supporting rod 10 moves, the height of the butt joint headrest 11 can be driven to change, so that the height of the butt joint headrest 11 can be conveniently and rapidly adjusted according to the requirement, and the adjustment operation is simple and convenient.

Example 2

The present embodiment aims to solve the problems that the supporting surface of the conventional armrest 5 is smaller, the arm leans against for a long time to easily cause discomfort, and meanwhile, the conventional articles cannot be supported and placed, the present embodiment is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1 and 3-4, an extension plate 13 is movably connected to the side of a connection seat 12, a movable connecting piece 14 is arranged in the extension plate 13, a first spring 15 is arranged on the side of the movable connecting piece 14, a limiting block 16 is fixedly connected to the outer wall of the movable connecting piece 14, the movable connecting piece 14 and the limiting block 16 are integrally arranged, the limiting block 16 and the extension plate 13 form an elastic telescopic structure through the movable connecting piece 14 and the first spring 15, the limiting block 16 is connected with the armrest 5 in a clamping manner, and the limiting block 16 is symmetrically arranged with respect to the armrest 5;

when needs place the usual article, through pulling swing joint spare 14 on the extension board 13, swing joint spare 14 drives stopper 16 motion, and extrude first spring 15, then pull extension board 13, let extension board 13 rotate on connecting seat 12, when extension board 13 keeps the level with handrail 5, loose swing joint spare 14, the reset elasticity of first spring 15 drives swing joint spare 14 and stopper 16 motion, let stopper 16 and handrail 5 looks block, fix extension board 13, be convenient for prop up fast and fold extension board 13 as required, and utilize the bearing area of extension board 13 that props up to increase the arm, improve the arm and lean on the travelling comfort, be convenient for simultaneously place the usual article temporarily, increase its practicality.

Example 3

The present embodiment aims to facilitate solving the problem that the water cup is easy to be affected by external force and to shake and fall when placed, the present embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1 and 5-6, the inner side of the extension plate 13 is provided with a positioning plate 17, the side of the positioning plate 17 is connected with a second spring 18, the inside of the second spring 18 is penetrated with a limiting connecting piece 19, the positioning plate 17 is in welded connection with the limiting connecting piece 19, the positioning plate 17 is symmetrically provided with two positioning plates, the top view of the positioning plate 17 is in an arc-shaped structure, and the positioning plate 17 and the extension plate 13 form an elastic telescopic structure through the second spring 18 and the limiting connecting piece 19;

when needs place the drinking cup, through promoting spacer 17, spacer 17 drives spacing connecting piece 19 and slides to extrude second spring 18, adjust the interval between two spacer 17, place the drinking cup between two spacer 17 afterwards, utilize second spring 18's elasticity that resets to carry out the centre gripping fixedly to the drinking cup, and be convenient for fix the drinking cup of multiple specification, let the location of drinking cup more stable, effectively avoid the drinking cup to appear the condition that unexpected dropped because of external force.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a swivel chair with adjustable headrest, includes support base (1), supporting mechanism (3) and bearing cushion (4), pulley (2) are installed to the bottom of support base (1), and the top fixedly connected with supporting mechanism (3) of support base (1) to the top of supporting mechanism (3) is provided with bearing cushion (4);

characterized by further comprising:

the armrests (5) are arranged at the top of the supporting cushion (4), and the side of each armrest (5) is provided with a backrest (6);

the connecting frame (7) is fixedly connected to the outer wall of the backrest (6), a lifting block (8) is arranged on the inner side of the connecting frame (7), and a connecting screw rod (9) is connected to the inner thread of the lifting block (8);

the supporting rod (10) is fixedly connected to the top of the lifting block (8), and the end part of the supporting rod (10) is fixedly connected with the butt joint headrest (11);

the connecting seat (12) is fixedly connected to the outer wall of the handrail (5).

2. A swivel chair with adjustable headrest according to claim 1, characterized in that: the support rods (10) penetrate through the connecting frame (7), two support rods (10) are symmetrically arranged on the central axis of the lifting block (8), and the support rods (10) are connected with the lifting block (8) in a welding mode.

3. A swivel chair with adjustable headrest according to claim 1, characterized in that: the side swing joint of connecting seat (12) has extension board (13), and the inside of extension board (13) is provided with swing joint spare (14) to the side of swing joint spare (14) is provided with first spring (15), and the outer wall fixedly connected with stopper (16) of swing joint spare (14) simultaneously.

4. A swivel chair with adjustable headrest as claimed in claim 3, wherein: the inner side of the extension plate (13) is provided with a locating plate (17), the side of the locating plate (17) is connected with a second spring (18), and a limiting connecting piece (19) penetrates through the second spring (18).

5. A swivel chair with adjustable headrest as claimed in claim 3, wherein: the movable connecting piece (14) and the limiting block (16) are integrally arranged, and the limiting block (16) and the extension plate (13) form an elastic telescopic structure through the movable connecting piece (14) and the first spring (15).

6. A swivel chair with adjustable headrest as claimed in claim 3, wherein: the limiting block (16) is connected with the handrail (5) in a clamping mode, and the limiting block (16) is symmetrically arranged relative to the handrail (5).

7. The headrest adjustable swivel chair according to claim 4, wherein: the positioning pieces (17) are welded with the limiting connecting pieces (19), and the two positioning pieces (17) are symmetrically arranged.

8. The headrest adjustable swivel chair according to claim 4, wherein: the top view appearance of the locating piece (17) is in an arc-shaped structure, and the locating piece (17) and the extension plate (13) form an elastic telescopic structure through the second spring (18) and the limiting connecting piece (19).