Combined office chair

Abstract

The utility model discloses a combined office chair and relates to the technical field of office chairs. According to the combined office chair, a backup plate is hinged to the top of a seat plate, armrests are arranged on the top of the seat plate and one side of the backup plate, fixing bolts are installed on the seat plate and the armrests in a threaded mode, another fixing bolt is installed on the backup plate and the armrests in a threaded mode, a storage base is arranged below the seat plate, and movable wheels are arranged in the storage base; the telescopic structure is arranged between the seat plate and the storage base, and the lifting structure is mounted on the storage base and the movable wheels. According to the combined office chair, the armrests can be fixed on the seat plate and the backup plate through the fixing bolts, the seat plate, the backup plate and the armrests are driven to form a whole, the armrests can also be taken down from the seat plate and the backup plate, the backup plate and the armrests are driven to be folded, and the telescopic structure can be disassembled and assembled between the circular clamping sleeve A and the circular clamping sleeve B through the circular clamping sleeve A and the circular clamping sleeve B; the office chair can be detached into a plurality of structures, so that transportation and storage are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field, especially in combination office chair. BACKGROUND

[0002] Office chair refers to various chairs equipped for the convenience of work in work and social activities, and is usually used in office environment.

[0003] The utility model discloses an office chair relates to office furniture technical field, improves the problem that most of existing office chair lacks massage structure, including seat board, backrest, support leg, recess, massage subassembly and apron, the massage subassembly includes the support frame that sets up in the recess, is provided with electric push rod between the recess inner side wall and support frame, the side away from electric push rod of support frame is rotatably installed with reciprocating screw rod, the top of support frame is installed with motor for driving reciprocating screw rod rotation, the surface of reciprocating screw rod is connected with movable frame, one side of movable frame is rotatably installed with massage cylinder. Through the setting of massage subassembly, can start motor and drive reciprocating screw rod rotation, makes reciprocating screw rod drive movable frame reciprocating motion along the length direction of reciprocating screw rod, thereby makes movable frame drive massage cylinder vertical reciprocating motion, massages the back of user, and relieves user fatigue.

[0004] However, the seat plate, backrest and support leg of the above-mentioned office chair are an integral whole, which can cause the office chair to have a large size, and thus the office chair is inconvenient to transport and store. UTILITY MODEL CONTENTS

[0005] The utility model discloses an office chair, which solves the problems and defects in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an office chair in combination, comprising a seat plate, a backrest is hingedly installed on the top of the seat plate, a handrail is arranged on one side of the backrest and the top of the seat plate, a fixing bolt is threadedly installed on the seat plate and the handrail, and another fixing bolt is threadedly installed on the backrest and the handrail, so that the handrail can be fixed on the seat plate and the backrest, or the handrail can be removed from the seat plate and the backrest, and the backrest and the handrail can be folded, a storage base is arranged below the seat plate, a movable wheel is arranged in the storage base, a telescopic structure is arranged between the seat plate and the storage base, the telescopic structure is used to drive the seat plate to ascend and descend, a lifting structure is installed on the storage base and the movable wheel, and the lifting structure is used to drive the movable wheel to ascend and descend.

[0007] Preferably, the telescopic structure comprises the hollow column A, the hollow column B, the guide strip, the knob, the bevel gear A, the one-way threaded rod, the bevel gear B, the guide strip is provided with two guide strips which are fixedly installed on the two side outer walls of the hollow column B, the hollow column B and the guide strip are slidingly installed on the inner side of the hollow column A, the knob is rotatably installed on one side of the hollow column A, the bevel gear A is fixedly installed on one end of the knob, the one-way threaded rod is rotatably installed on the inner side bottom of the hollow column A, the bevel gear B is fixedly installed on the outer wall of the one-way threaded rod, and the bevel gear B is engaged with the bevel gear A, and the bottom of the hollow column B is screwedly installed on the outer wall of the one-way threaded rod, so as to adjust the use height of the office chair.

[0008] Preferably, the top outer wall of the storage base is fixedly installed with a circular clamping sleeve A, the bottom end of the hollow column A is clampingly installed on the circular clamping sleeve A, the bottom of the seat plate is fixedly installed with a circular clamping sleeve B, and the top end of the hollow column B is clampingly installed on the circular clamping sleeve B, so that the telescopic structure can be disassembled between the circular clamping sleeve A and the circular clamping sleeve B, the office chair can be disassembled into multiple structures, the volume of the office chair is reduced, and transportation and storage are facilitated.

[0009] Preferably, the lifting structure comprises the lifting plate, the two-way threaded rod, the knob, the threaded block and the push-pull rod, the two-way threaded rod is rotatably installed on the two sides of the storage base, the knob is provided with two knobs which are fixedly installed on one end of the two-way threaded rod, the threaded block is screwedly installed on the outer wall of the two-way threaded rod, and the two ends of the push-pull rod are fixedly installed on the bottom of the threaded block and the top of the lifting plate, so that the movable wheels can be driven to lift, the movable wheels of the office chair can be adjusted according to the use requirement of the user, and the practicability of the office chair is improved.

[0010] Preferably, the threaded block and the push-pull rod are both provided with two left-right symmetrical threaded blocks and push-pull rods, and the movable wheels are movably installed on the bottom of the lifting plate.

[0011] Preferably, the front and rear inner walls of the storage base are fixedly installed with guide rails, and the lifting plate is slidingly installed on the guide rails.

[0012] Preferably, the top of the seat plate and the top of the back plate are fixedly installed with sponge pads.

[0013] Compared with the prior art, the office chair has the advantages that:

[0014] The combined office chair can fix the armrest on the seat plate and the back plate through the fixing bolt, drive the seat plate, the back plate and the armrest to form a whole, or can remove the armrest from the seat plate and the back plate, drive the back plate and the armrest to fold, and through the circular sleeve A and the circular sleeve B, the telescopic structure can be disassembled between the circular sleeve A and the circular sleeve B, so that the office chair can be disassembled into multiple structures, the volume of the office chair is reduced, and the office chair is convenient to transport and store; through the lifting structure, the movable wheel can be driven to lift, whether the movable wheel of the office chair is used can be adjusted according to the use requirement of the user, and the practicability of the office chair is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and embodiments:

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is another side structural schematic view of Figure 1

[0018] Figure 3 It is a sectional view of the storage base of the utility model;

[0019] Figure 4 It is a sectional view of the hollow column A and the hollow column B of the utility model.

[0020] Reference signs: 1, seat plate; 2, back plate; 3, armrest; 4, fixing bolt; 5, sponge pad; 6, storage base; 7, circular sleeve A; 8, circular sleeve B; 9, hollow column A; 10, hollow column B; 11, guide strip; 12, knob; 13, bevel gear A; 14, one-way threaded rod; 15, bevel gear B; 16, guide rail; 17, lifting plate; 18, movable wheel; 19, two-way threaded rod; 20, turning knob; 21, threaded block; 22, push-pull rod. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Please refer to Figures 1-4 ​The utility model provides a technical scheme: a combined office chair, the top of the seat plate 1 is hingedly installed with the back plate 2, the top of the seat plate 1 is provided with the handrail 3 on one side of the back plate 2, the seat plate 1 is screw -threaded with the fixed bolt 4 of handrail 3, the back plate 2 is screw -threaded with another fixed bolt 4 of handrail 3, can be fixed with the handrail 3 on the seat plate 1 and the back plate 2, drive the seat plate 1, the back plate 2, the handrail 3 shows an entirety, also can take down the handrail 3 from the seat plate 1, the back plate 2, drive the back plate 2, the handrail 3 folding, the seat plate 1 below is provided with the storage base 6, the inside of storage base 6 is provided with the movable wheel 18, still include the telescopic structure of setting between the seat plate 1 and storage base 6, through telescopic structure, for drive the seat plate 1 to carry out the lifting, the lifting structure of installing on storage base 6 and movable wheel 18, through lifting structure, for drive movable wheel 18 to carry out the lifting.

[0023] Further, the telescopic structure includes hollow column A9, hollow column B10, guide strip 11, knob 12, bevel gear A13, one-way threaded rod 14, bevel gear B15, the guide strip 11 has two and is fixedly installed on the two sides outer wall of hollow column B10, hollow column B10 and guide strip 11 are slidably installed on the inside of hollow column A9, knob 12 is rotatably installed on one side of hollow column A9, bevel gear A13 is fixedly installed on one end of knob 12, one-way threaded rod 14 is rotatably installed on the inside bottom of hollow column A9, bevel gear B15 is fixedly installed on the outer wall of one-way threaded rod 14, and bevel gear B15 is engaged with bevel gear A13, the bottom of hollow column B10 is screw -threaded on the outer wall of one-way threaded rod 14, manually twist knob 12, knob 12 drives bevel gear A13 to rotate, the rotation of bevel gear A13 drives bevel gear B15, one-way threaded rod 14 rotates, the rotation of one-way threaded rod 14 drives hollow column B10, guide strip 11, seat plate 1, back plate 2, handrail 3 to rise or drop, for adjusting the use height of the office chair.

[0024] Further, the top outer wall of storage base 6 is fixedly installed with circular sleeve A7, the bottom end of hollow column A9 is clampedly installed on circular sleeve A7, the bottom of seat plate 1 is fixedly installed with circular sleeve B8, the top end of hollow column B10 is clampedly installed on circular sleeve B8, can disassemble and assemble telescopic structure between circular sleeve A7 and circular sleeve B8, can make the office chair disassembled into multiple structures, reduce the volume of the office chair, facilitate transportation and storage.

[0025] Further, the lifting structure comprises a lifting plate 17, a bidirectional threaded rod 19, a rotating knob 20, a threaded block 21 and a push-pull rod 22, the bidirectional threaded rod 19 is rotatably installed on the two sides of the storage base 6, the rotating knob 20 is fixedly installed on one end of the bidirectional threaded rod 19, the threaded block 21 is threadedly installed on the outer wall of the bidirectional threaded rod 19, and the two ends of the push-pull rod 22 are fixedly installed on the bottom of the threaded block 21 and the top of the lifting plate 17; the rotating knob 20 is manually twisted to drive the bidirectional threaded rod 19 to rotate, the rotation of the bidirectional threaded rod 19 drives the threaded block 21 to move, the movement of the threaded block 21 drives one end of the push-pull rod 22 to move, and the other end of the push-pull rod 22, the lifting plate 17 and the movable wheel 18 are driven to rise or fall, so that whether the movable wheel 18 of the office chair is used can be adjusted according to the use requirement of a user, and the practicability of the office chair is improved.

[0026] Further, the threaded block 21 and the push-pull rod 22 are both two and symmetrically arranged left and right, and the movable wheel 18 is movably installed on the bottom of the lifting plate 17.

[0027] Further, the front and rear inner walls of the storage base 6 are fixedly installed with guide rails 16, and the lifting plate 17 is slidably installed on the guide rails 16.

[0028] Further, the top of the seat plate 1 and the top of the back plate 2 are fixedly installed with sponge pads 5.

[0029] Working principle: the rotating knob 20 is manually twisted to drive the bidirectional threaded rod 19 to rotate, the rotation of the bidirectional threaded rod 19 drives the threaded block 21 to move, the movement of the threaded block 21 drives one end of the push-pull rod 22 to move, and the other end of the push-pull rod 22, the lifting plate 17 and the movable wheel 18 are driven to move downwards, so that the movable wheel 18 can be extended to the outside of the storage base 6, so that the office chair can be conveniently moved through the movable wheel 18, the knob 12 is manually twisted to drive the bevel gear A 13 to rotate, the rotation of the bevel gear A 13 drives the bevel gear B 15 and the one-way threaded rod 14 to rotate, the rotation of the one-way threaded rod 14 drives the hollow column B 10, the guide strip 11, the seat plate 1, the back plate 2 and the armrest 3 to rise or fall, and the use height of the seat plate 1 is adjusted.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A combined office chair, comprising a seat plate (1), the top of the seat plate (1) is hingedly installed with a back plate (2), the top of the seat plate (1) and one side of the back plate (2) are provided with an armrest (3), the seat plate (1) and the armrest (3) are threadedly installed with a fixing bolt (4), the back plate (2) and the armrest (3) are threadedly installed with another fixing bolt (4), the lower part of the seat plate (1) is provided with a storage base (6), the inside of the storage base (6) is provided with a movable wheel (18), characterized in that, Also include: The telescopic structure arranged between the seat plate (1) and the storage base (6), through the telescopic structure, for driving the seat plate (1) to lift; The lifting structure mounted on the storage base (6) and the movable wheel (18), through the lifting structure, for driving the movable wheel (18) to lift.

2. The combination office chair of claim 1, wherein: The telescopic structure includes hollow column A (9), hollow column B (10), guide bar (11), knob (12), bevel gear A (13), one-way threaded rod (14), bevel gear B (15), guide bar (11) has two respectively fixedly installed on both sides of the outer wall of hollow column B (10), hollow column B (10) and guide bar (11) are slidingly installed on the inner side of hollow column A (9), knob (12) is rotatably installed on one side of hollow column A (9), bevel gear A (13) is fixedly installed on one end of knob (12), one-way threaded rod (14) is rotatably installed on the inner bottom of hollow column A (9), bevel gear B (15) is fixedly installed on the outer wall of one-way threaded rod (14), and bevel gear B (15) is engaged with bevel gear A (13), the bottom of hollow column B (10) is screw mounted on the outer wall of one-way threaded rod (14).

3. The combination office chair of claim 2 wherein: The top outer wall of the storage base (6) is fixedly installed with a circular sleeve A (7), the bottom end of the hollow column A (9) is fittedly installed on the circular sleeve A (7), the bottom of the seat plate (1) is fixedly installed with a circular sleeve B (8), and the top end of the hollow column B (10) is fittedly installed on the circular sleeve B (8).

4. The combination office chair of claim 3, wherein: The lifting structure includes lifting plate (17), bidirectional threaded rod (19), rotating knob (20), threaded block (21), push-pull rod (22), bidirectional threaded rod (19) is rotatably installed on both sides of the storage base (6), rotating knob (20) has two respectively fixedly installed on one end of bidirectional threaded rod (19), threaded block (21) is screw mounted on the outer wall of bidirectional threaded rod (19), and the two ends of push-pull rod (22) are respectively fixedly installed on the bottom of threaded block (21) and the top of lifting plate (17).

5. The combination office chair of claim 4 wherein: The threaded block (21), push-pull rod (22) are both two and symmetrically arranged, and the movable wheel (18) is movably installed on the bottom of the lifting plate (17).

6. The combination office chair of claim 5 wherein: The front and rear inner walls of the storage base (6) are fixedly installed with guide rails (16), and the lifting plate (17) is slidingly installed on the guide rails (16).

7. The combination office chair of claim 6 wherein: The top of the seat plate (1) and the top of the back plate (2) are fixedly installed with sponge pad (5).

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