CN219982504U

CN219982504U - Multi-angle adaptive office chair

Info

Publication number: CN219982504U
Application number: CN202321014672.9U
Authority: CN
Inventors: 沈国梁; 严尧
Original assignee: Zhejiang Dadong Chair Industry Co ltd
Current assignee: Zhejiang Dadong Chair Industry Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-10
Anticipated expiration: 2033-04-28

Abstract

The utility model provides a multi-angle adaptive office chair, which comprises a supporting seat, wherein the rear surface of the supporting seat is provided with a mounting groove, the inside of the mounting groove is provided with an adjusting component, the adjusting component comprises a fixed plate, the bottom of the inside of the fixed plate is fixedly provided with a positive motor and a negative motor, the output end of the positive motor and the negative motor is fixedly provided with a bidirectional screw rod, the outer surfaces of the bidirectional screw rod, which are close to two ends, are respectively sheathed with a moving block in a threaded manner, the tops of the two moving blocks are respectively fixedly provided with a first occluding block, the inside of the two first occluding blocks are respectively movably embedded with a reinforcing rod, one end of each reinforcing rod is fixedly provided with a reinforcing block, and the top of each reinforcing block is fixedly provided with a backrest. According to the utility model, the backrest can be adjusted at different angles according to actual requirements, so that the effect of multi-angle adjustment is achieved, and the comfort level of a user during leaning is improved.

Description

Multi-angle adaptive office chair

Technical Field

The utility model relates to the technical field of office chairs, in particular to a multi-angle adaptive office chair.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities. Office chairs are one of the requisite furniture in life and work, especially the requisite office furniture when brain workers work. The backrest of the office chair is generally arranged according to the physiological curve of a human body, when the chair is used, the waist can be supported, along with the increasing office time of people, the requirements on office furniture are higher and higher, and the office chair basically comprises a cushion part, a backrest part and supporting legs, wherein the angle of the backrest part is mostly fixed.

In the prior art, for example, chinese patent numbers: CN210540100U discloses an office chair, including office chair, adjusting device and handrail, the front and back bilateral symmetry on the office chair seat is provided with adjusting device, adjusting device's up end is connected with the handrail, and adjusting device is including installing the containing box on the office chair seat, the symmetry is equipped with the fixed slot on the left and right sides inside wall of containing box, be connected with the regulation pole through sliding fit's mode in the containing box, it is provided with stop gear to adjust pole lower extreme lateral wall bilateral symmetry, the up end rotation of adjusting the pole is connected with the handrail. The office chair provided by the utility model can flexibly adjust the height of the armrests according to actual use requirements, has simple steps during adjustment, is flexible and convenient to adjust, and can also adjust the inclination angles of the armrests according to use requirements.

But among the prior art, office chair is in the use, and the back of the chair structure that is used for leaning on is generally comparatively fixed, and when different crowds leaned on, the angle demand to the back of the chair is different, and the back of the chair can't carry out corresponding angular adjustment according to different crowds, and the flexibility is not good, and comfort level when influencing the user and leaning on experiences the sense poorly.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a multi-angle adaptive office chair.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multi-angle adaptation type office chair, includes the supporting seat, the mounting groove has been seted up to the rear surface of supporting seat, the inside of mounting groove is provided with adjusting part, adjusting part includes the fixed plate, the inside bottom fixed mounting of fixed plate has positive and negative motor, positive and negative motor's output fixed mounting has two-way lead screw, the surface that two-way lead screw is close to both ends is equal the thread bush and is equipped with the movable block, two the equal fixed mounting in top of movable block has first interlock piece, two the inside of first interlock piece is all movably inlayed and is equipped with the stiffener, two the one end fixed mounting of stiffener has the reinforcing block, the top fixed mounting of reinforcing block has the back.

Preferably, the bottom of supporting seat is fixed with the removal alignment jig, the top fixedly connected with cushion of supporting seat, the equal fixed mounting of both sides surface of supporting seat has the handrail, the front surface fixedly connected with foam-rubber cushion of back.

Preferably, the outer surfaces of the two reinforcing rods, which are close to one end, are fixedly provided with second occlusion blocks, and teeth of the two second occlusion blocks are respectively meshed with teeth of the two first occlusion blocks.

Preferably, two opposite sides of the second engaging block are respectively and fixedly installed on the outer surfaces of two sides of the reinforcing block, and movable holes are formed in the opposite sides of the inside of the installation groove.

Preferably, the other ends of the two reinforcing rods are movably embedded in the two movable holes respectively, the outer surface of the fixing plate is fixedly arranged on the outer surface of the supporting seat, and one end of the bidirectional screw rod is movably embedded in the inner wall of the fixing plate.

Preferably, the front surface of the foam-rubber cushion close to the top is provided with a neck protection pillow, and the outer surfaces of the two sides of the neck protection pillow are fixedly connected with elastic bands.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. when the back rest is rotated to a proper angle, the front and back motors are started again, the two moving blocks are driven to move relatively through the reverse rotation of the output end, so that the two first occluding blocks are driven to move relatively and meshed with the two second occluding blocks gradually, then the front and back motors are closed, the two second occluding blocks are fixed through the two first occluding blocks, so that the reinforcing blocks and the two reinforcing rods are fixed, the back rest is kept in a rotated state, and a user can adjust the back rest at different angles according to actual demands, so that the effect of multi-angle adjustment is achieved, and the comfort level of the user when leaning is improved;

2. the cushion and the foam-rubber cushion are respectively arranged on the top of the supporting seat and the front surface of the backrest, so that the softness is improved, the sitting comfort level of a user is improved, and the neck protection pillow is arranged on the front surface of the foam-rubber cushion by sleeving the elastic band on the outer surface of the backrest, so that the neck is supported.

Drawings

Fig. 1 is a front perspective view of a multi-angle adaptive office chair according to the present utility model;

FIG. 2 is an expanded perspective view showing the structure of a backrest in a multi-angle adaptive office chair according to the present utility model;

FIG. 3 is a structural development perspective view of a neck rest in a multi-angle adaptive office chair according to the present utility model;

fig. 4 is a structural exploded perspective view showing an adjusting assembly in a multi-angle adaptive office chair according to the present utility model.

Legend description: 1. a support base; 2. an adjustment assembly; 201. a fixing plate; 202. a forward and reverse motor; 203. a two-way screw rod; 204. a moving block; 205. a first bite block; 206. a reinforcing rod; 207. a second engagement block; 208. a reinforcing block; 3. a backrest; 4. an elastic band; 5. neck protecting pillow; 6. a sponge cushion; 7. an armrest; 8. a soft cushion; 9. moving the adjusting frame; 10. a mounting groove; 11. a movable hole.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 1 to 4, the present utility model provides a multi-angle adaptive office chair, comprising: the support seat 1, mounting groove 10 has been seted up to the rear surface of support seat 1, the inside of mounting groove 10 is provided with adjusting part 2, adjusting part 2 includes fixed plate 201, the inside bottom fixed mounting of fixed plate 201 has positive and negative motor 202, positive and negative motor 202's output fixed mounting has two-way lead screw 203, two-way lead screw 203 is close to the surface equal thread bush at both ends and is equipped with movable block 204, the equal fixed mounting in top of two movable blocks 204 has first interlock piece 205, the inside of two first interlock piece 205 all movably inlay and be equipped with stiffener 206, the one end fixed mounting of two stiffener 206 has the reinforcement piece 208, the top fixed mounting of reinforcement piece 208 has back 3, the surface that two stiffener 206 is close to one end is all fixed mounting has second interlock piece 207, the tooth of two second interlock piece 207 meshes with the tooth of two first interlock piece 205 respectively, the both sides surface at reinforcement piece 208 is fixed mounting respectively, the inside opposite side of mounting groove 10 has all seted up movable hole 11, the other end of two stiffener 206 respectively movably inlay at the inside of two movable hole 11, the inside of two movable plate 201 is fixed at the fixed surface of the fixed mounting of support seat 201, the inside of two movable plate 201 is fixed at the fixed surface of the fixed plate 1.

The effects achieved in the whole embodiment 1 are as follows: when the backrest is used, the forward and reverse motor 202 is started, the output end of the forward and reverse motor 202 drives the bidirectional screw rod 203 to rotate, the two moving blocks 204 are driven to move in opposite directions, then the two first occlusion blocks 205 are driven to move and separate from the two second occlusion blocks 207, and then the backrest 3 is pushed to rotate; when the backrest 3 rotates to a proper angle, the forward and reverse motor 202 is started again, and the two moving blocks 204 are driven to move relatively by the reverse rotation of the output end, so that the two first occlusion blocks 205 are driven to move relatively and are gradually meshed with the two second occlusion blocks 207; the reversible motor 202 is then turned off, and the two second engagement blocks 207 are fixed by the two first engagement blocks 205, thereby fixing the reinforcing block 208 and the two reinforcing rods 206, so that the backrest 3 is maintained in a rotated state. The user can carry out the adjustment of different angles to backrest 3 according to actual demand to reach the effect of multi-angle adjustment, improved the comfort level when the user leans on. The utility model solves the problems that the chair back structure used for leaning when the office chair is used in the prior art is generally fixed, the chair back can not be correspondingly adjusted according to the angle demands of different people on the chair back, the flexibility is poor, and the comfort and the experience feeling of a user are affected when the user leans.

In embodiment 2, as shown in fig. 1-4, a movable adjusting frame 9 is fixedly installed at the bottom of a supporting seat 1, a soft cushion 8 is fixedly connected to the top of the supporting seat 1, armrests 7 are fixedly installed on the outer surfaces of two sides of the supporting seat 1, a foam-rubber cushion 6 is fixedly connected to the front surface of a backrest 3, a neck protection pillow 5 is arranged on the front surface, close to the top, of the foam-rubber cushion 6, and elastic bands 4 are fixedly connected to the outer surfaces of two sides of the neck protection pillow 5.

The effect that its whole embodiment 2 reached is, when using, has set up cushion 8 and foam-rubber cushion 6 respectively at the top of supporting seat 1 and the front surface of back 3, increases the compliance, improves the user and sits and lean on the comfort level, through the surface with elastic band 4 cover at back 3 for neck protection pillow 5 installs the front surface at foam-rubber cushion 6, and when the user leans on of being convenient for, supports the neck through neck protection pillow 5.

Working principle: when the backrest is used, the forward and reverse motor 202 is started, the output end of the forward and reverse motor 202 drives the bidirectional screw rod 203 to rotate, the two moving blocks 204 are driven to move in opposite directions, then the two first occlusion blocks 205 are driven to move and separate from the two second occlusion blocks 207, and then the backrest 3 is pushed to rotate; when the backrest 3 rotates to a proper angle, the forward and reverse motor 202 is started again, and the two moving blocks 204 are driven to move relatively by the reverse rotation of the output end, so that the two first occlusion blocks 205 are driven to move relatively and are gradually meshed with the two second occlusion blocks 207; the reversible motor 202 is then turned off, and the two second engagement blocks 207 are fixed by the two first engagement blocks 205, thereby fixing the reinforcing block 208 and the two reinforcing rods 206, so that the backrest 3 is maintained in a rotated state. The user can carry out the adjustment of different angles to backrest 3 according to actual demand to reach the effect of multi-angle adjustment, improve the comfort level when the user leans on. When in use, the soft cushion 8 and the foam cushion 6 are respectively arranged on the top of the supporting seat 1 and the front surface of the backrest 3, so that the softness is improved, the sitting comfort level of a user is improved, the elastic band 4 is sleeved on the outer surface of the backrest 3, the neck protection pillow 5 is arranged on the front surface of the foam cushion 6, and the neck protection pillow 5 is convenient for the user to support the neck when leaning.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a multi-angle adaptation type office chair, its characterized in that, including supporting seat (1), mounting groove (10) have been seted up to the rear surface of supporting seat (1), the inside of mounting groove (10) is provided with adjusting part (2), adjusting part (2) are including fixed plate (201), the inside bottom fixed mounting of fixed plate (201) has positive and negative motor (202), the output fixed mounting of positive and negative motor (202) has two-way lead screw (203), the surface that two-way lead screw (203) are close to both ends is equal the thread bush and is equipped with movable block (204), two the equal fixed mounting in top of movable block (204) has first interlock piece (205), two the inside of first interlock piece (205) is all movably inlayed and is equipped with stiffener (206), two the one end fixed mounting of stiffener (206) has reinforcement piece (208), the top fixed mounting of reinforcement piece (208) has back (3).

2. The multi-angle compliant office chair of claim 1, wherein: the utility model discloses a seat support, including back (3), support seat, bottom fixed mounting of support seat (1) has removal alignment jig (9), the top fixedly connected with cushion (8) of support seat (1), both sides surface of support seat (1) all fixed mounting has handrail (7), the front surface fixedly connected with foam-rubber cushion (6).

3. The multi-angle compliant office chair of claim 1, wherein: the outer surfaces of the two reinforcing rods (206) close to one end are fixedly provided with second occlusion blocks (207), and teeth of the two second occlusion blocks (207) are meshed with teeth of the two first occlusion blocks (205) respectively.

4. A multi-angle adaptive office chair according to claim 3, wherein: two opposite sides of the second occluding blocks (207) are respectively and fixedly arranged on the outer surfaces of two sides of the reinforcing block (208), and movable holes (11) are formed in the opposite sides of the inside of the mounting groove (10).

5. The multi-angle adaptive office chair of claim 4, wherein: the other ends of the two reinforcing rods (206) are movably embedded in the two movable holes (11) respectively, the outer surface of the fixed plate (201) is fixedly arranged on the outer surface of the supporting seat (1), and one end of the bidirectional screw rod (203) is movably embedded in the inner wall of the fixed plate (201).

6. The multi-angle compliant office chair of claim 2, wherein: the front surface of the foam-rubber cushion (6) close to the top is provided with a neck protection pillow (5), and the outer surfaces of the two sides of the neck protection pillow (5) are fixedly connected with elastic bands (4).