CN216059873U

CN216059873U - Office chair

Info

Publication number: CN216059873U
Application number: CN202121689603.9U
Authority: CN
Inventors: 张勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-18
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to the technical field of office supplies, and discloses an office chair which comprises a chair seat (1), a chair back (2) and chair legs (3), wherein the chair seat (1) is respectively hinged with the chair back (2) and the chair legs (3), the chair back (2) is hinged with handrails (4), blocking pieces (6) and clamping heads (7) are arranged in the handrails (4), connecting pieces (5) are hinged at the connecting parts of the upper ends of the chair legs (3) and the handrails (4), and the top ends of the connecting pieces (5) are arranged in the blocking pieces (6) and clamped with the adjacent clamping heads (7). The office chair has reasonable structural design, can be directly unfolded for use without assembly, is convenient to fold, occupies small space, has low processing cost and is convenient to popularize and apply.

Description

Office chair

Technical Field

The utility model relates to the technical field of office supplies, in particular to an office chair.

Background

With the improvement of living standard of people, more and more office workers begin to be aware of the importance of healthy lunch break. Therefore, the simple ten-leg folding bed is more and more popular with office workers, but the existing folding bed occupies a larger space on one hand, and on the other hand, the folding bed needs to be taken out additionally when in use, a proper position is found for unfolding, and after a lunch break, the folding bed needs to be folded completely to find a place for storage, so that the folding bed is very inconvenient to use. In a dense office place, a simple ten-legged folding bed cannot be used, and thus, the office workers do not land in lunch break. At present, the office chair with wide popularity in the market can not adjust the inclination angle of the backrest, can only lie on an office table or a headrest to rest on the backrest, the two rest modes are uncomfortable, certain ergonomics is met, the chair market that can sit to work and can lie to rest is called a boss chair, the price is high, the structure is complex, the size is large, the backrest adjusting angle is small, the chair cannot be folded, the market popularity is small, and the used crowd is a few boss and is not a general staff. In addition, the ergonomic office chairs which can be sat and lain in the existing market are almost assembled by consumers, the assembling process is generally over half an hour, the inclination angle of the backrest cannot be quickly adjusted through the armrests, and the chair cannot be folded after being assembled, so that the secondary transportation is inconvenient. The utility model solves the problem of dual purposes of office work and noon break, and can be used without assembly and opening.

The application number CN201820574159.8 discloses an office chair, which comprises a load-bearing base, wherein a chair is arranged on the load-bearing base, the chair is provided with a chair surface, a backrest is arranged at the rear side of the chair surface, and armrests are respectively arranged at the left side and the right side of the chair surface; the load bearing base is provided with an upright post which is provided with a base part, the top of the base part is provided with a mounting hole, an ejector rod is mounted in the mounting hole, the top of the ejector rod is connected with the chair, the joint of the ejector rod and the base part is a connecting part, the ejector rod is provided with a raised ring, the lower side of the raised ring is provided with a cylindrical elastic belt, the lower end of the elastic belt is provided with a connecting part dustproof protection cover, and the inner side of the raised ring is provided with a plurality of screw rods for unfolding the connecting part dustproof protection cover; the armrest is provided with a support, the lower end of the support is connected to the seat, an armrest plate is arranged at the upper end of the support, and the backrest is arc-shaped. Above-mentioned patent simple to operate, user experience preferred, but can not satisfy most office workers' needs, and the afternoon nap is inconvenient comfortable.

SUMMERY OF THE UTILITY MODEL

The utility model provides an office chair aiming at the defects in the prior art.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

an office chair comprises a chair seat, a chair back and chair legs, wherein the chair seat is hinged with the chair back and the chair legs respectively, the chair back is hinged with armrests, retaining pieces and clamping heads are arranged in the armrests, connecting pieces are hinged to the upper ends of the chair legs and the joints of the armrests, and the top ends of the connecting pieces are arranged in the retaining pieces and clamped with the adjacent clamping heads. The connecting piece is clamped with the clamping heads at different positions to adjust the armrests so as to adjust the inclination angle of the chair back, the angle adjusting range of the chair back is 90-180 degrees, and the chair back is safer and more stable.

Preferably, a groove is formed in the handrail, the blocking pieces and the clamping heads are symmetrically arranged on two sides of the groove, the connecting piece comprises a first connecting piece and a second connecting piece, the end portions of the first connecting piece and the second connecting piece are bent towards the blocking pieces and the clamping heads on two sides of the groove respectively, and the end portions of the first connecting piece and the second connecting piece are clamped between the adjacent clamping heads. The connecting piece is the billet, and the handrail adopts the mode that embedded billet was adjusted, increases degree of stability and security, and the separation blade is used for blocking the connecting piece, and the recess is arranged in to the connecting piece, and the handrail can move and can not break away from the connecting piece, the crooked opposite direction of the tip of first connecting piece and second connecting piece.

Preferably, the chair legs comprise a front supporting leg and a rear supporting leg, the front supporting leg is hinged with the rear supporting leg, the first connecting piece and the second connecting piece are arranged between the front supporting leg and the rear supporting leg, the lower end of the chair back is provided with a bent portion, the bent portion is hinged with the chair seat, a connecting piece is hinged at the position where the bent portion is hinged with the chair seat, and the connecting piece is hinged with the rear supporting leg. Through bight, seat support, connection piece and back supporting leg for the back of the chair obtains better regulation, and angle control range is bigger moreover, and is more safe firm.

Preferably, the bottom of the seat is provided with a support frame, the front support leg is hinged with the support frame, the support frame is provided with a hollow sliding part, the sliding part is provided with a push-pull rod in a penetrating mode, the front end of the push-pull rod is hinged with a foot pad, and the rear end of the push-pull rod is provided with a stop block. When sleeping, the push-pull rod is pulled out to turn the foot pad upwards, and when not in use, the foot pad is turned downwards and the push-pull rod is pushed in.

Preferably, the bottom of the chair leg is provided with a universal wheel. The office chair has two types, one type is convenient to move with universal wheels, and the other type is free of universal wheels.

Preferably, a headrest fixing rod is arranged on the chair back, and a headrest is arranged on the headrest fixing rod.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: the armrest is clamped and adjusted through the connecting piece and clamping heads at different positions, so that the inclination angle of the chair back is adjusted, the angle adjusting range of the chair back is 90-180 degrees, the armrest is adjusted through the embedded steel bar, the stability and the safety are improved, the blocking piece is used for blocking the connecting piece, the connecting piece is arranged in the groove, the armrest can move and cannot be separated from the connecting piece, and the office chair is made into two types, namely, the office chair is provided with universal wheels, and the office chair is not provided with the universal wheels. The office chair has reasonable structural design, can be directly unfolded for use without assembly, is convenient to fold, occupies small space, has low processing cost and is convenient to popularize and apply.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the chair leg.

Fig. 3 is a schematic view of the structure of the bottom of the handrail.

Fig. 4 is a schematic view of the structure of the groove.

Fig. 5 is a partially enlarged view of a in fig. 4.

Fig. 6 is a schematic drawing of the foot pad pulled out.

Fig. 7 is a schematic view of the chair back in a flat configuration.

Fig. 8 is a schematic view of the stowing configuration of the present invention.

Fig. 9 is a schematic view of the structure of the universal wheel.

The names of the parts indicated by the numerical references in the above figures are as follows: the multifunctional chair comprises a chair seat 1, a chair back 2, chair legs 3, armrests 4, connecting pieces 5, blocking pieces 6, clamping heads 7, a bent part 8, a front supporting leg 9, a rear supporting leg 10, a connecting piece 11, a groove 12, a first connecting piece 13, a second connecting piece 14, a supporting frame 15, a sliding piece 16, a push-pull rod 17, a foot pad 18, a stop block 19, a universal wheel 20, a headrest fixing rod 21 and a headrest 22.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

An office chair is shown in figures 1-9 and comprises a chair seat 1, a chair back 2 and chair legs 3, wherein the chair seat 1 is hinged with the chair back 2 and the chair legs 3 respectively, armrests 4 are hinged on the chair back 2, blocking pieces 6 and clamping heads 7 are arranged in the armrests 4, connecting pieces 5 are hinged at the connecting parts of the upper ends of the chair legs 3 and the armrests 4, and the top ends of the connecting pieces 5 are arranged in the blocking pieces 6 and clamped with the adjacent clamping heads 7. The connecting piece 5 is clamped with the clamping heads 7 at different positions to adjust the armrests 4, so that the inclination angle of the chair back 2 is adjusted, the angle adjusting range of the chair back 2 is 90-180 degrees, and the chair back is safer and more stable.

The handrail 4 is internally provided with a groove 12, the baffle plates 6 and the clamping heads 7 are symmetrically arranged at two sides of the groove 12, the connecting piece 5 comprises a first connecting piece 13 and a second connecting piece 14, the end parts of the first connecting piece 13 and the second connecting piece 14 are respectively bent towards the baffle plates 6 and the clamping heads 7 at two sides of the groove 12, and the end parts of the first connecting piece 13 and the second connecting piece 14 are clamped between the adjacent clamping heads 7. The connecting piece 5 is the billet, and handrail 4 adopts the mode that embedded billet was adjusted, increases degree of stability and security, and separation blade 6 is used for blocking connecting piece 5, and connecting piece 5 is arranged in recess 12, and handrail 4 can move and can not break away from connecting piece 5, and the crooked opposite direction of the tip of first connecting piece 13 and second connecting piece 14.

Chair leg 3 includes preceding supporting leg 9 and back supporting leg 10, and preceding supporting leg 9 is articulated with back supporting leg 10, and first connecting piece 13 and second connecting piece 14 are established between preceding supporting leg 9 and back supporting leg 10, and the lower extreme of back of the chair 2 is equipped with bight 8, and bight 8 is articulated with seat support 1, and bight 8 articulates with 1 articulated department of seat support has connection piece 11, and connection piece 11 is articulated with back supporting leg 10. Through bight 8, seat support 1, connection piece 11 and back supporting leg 10 for back of the chair 2 obtains better regulation, and angle control range is bigger moreover, and is more safe firm.

The bottom of the chair seat 1 is provided with a support frame 15, the front support leg 9 is hinged with the support frame 15, the support frame 15 is provided with a hollow sliding part 16, the sliding part 16 is provided with a push-pull rod 17 in a penetrating way, the front end of the push-pull rod 17 is hinged with a foot pad 18, and the rear end of the push-pull rod 17 is provided with a stop block 19. When sleeping, the push-pull rod 17 is pulled out to turn the foot pad 18 upwards, and when not in use, the foot pad 18 is turned downwards and the push-pull rod 17 is pushed in.

The bottom of the chair leg 3 is provided with a universal wheel 20. There are two types of office chairs, one with universal wheels 20 for easy movement and one without universal wheels 20.

A headrest fixing rod 21 is arranged on the chair back 2, and a headrest 22 is arranged on the headrest fixing rod 21.

The working principle is as follows: the angle of inclination of the chair back 2 is adjusted by clamping the connecting piece 5 with the clamping heads 7 at different positions to adjust the armrests 4, the angle adjusting range of the chair back 2 is 90-180 degrees, the armrests 4 are adjusted by embedded steel bars, the stability and the safety are improved, the blocking pieces 6 are used for blocking the connecting piece 5, the connecting piece 5 is arranged in the groove 12, the armrests 4 can move and cannot be separated from the connecting piece 5, the office chair is made into two types, one type is provided with the universal wheels 20, and the other type is not provided with the universal wheels 20. The office chair has reasonable structural design, can be directly unfolded for use without assembly, is convenient to fold, occupies small space, has low processing cost and is convenient to popularize and apply.

Example 2

An office chair is shown in figure 1 and comprises a chair seat 1, a chair back 2 and chair legs 3, wherein the chair seat 1 is hinged with the chair back 2 and the chair legs 3 respectively, a handrail 4 is hinged to the chair back 2, a blocking piece 6 and a clamping head 7 are arranged in the handrail 4, a connecting piece 5 is hinged to the joint of the upper end of each chair leg 3 and the corresponding handrail 4, and the top end of each connecting piece 5 is arranged in the corresponding blocking piece 6 and clamped with the adjacent clamping head 7. The connecting piece 5 is clamped with the clamping heads 7 at different positions to adjust the armrests 4, so that the inclination angle of the chair back 2 is adjusted, the angle adjusting range of the chair back 2 is 90-180 degrees, and the chair back is safer and more stable.

Example 3

An office chair is shown in figures 1-5 and comprises a chair seat 1, a chair back 2 and chair legs 3, wherein the chair seat 1 is hinged with the chair back 2 and the chair legs 3 respectively, armrests 4 are hinged on the chair back 2, blocking pieces 6 and clamping heads 7 are arranged in the armrests 4, connecting pieces 5 are hinged at the connecting parts of the upper ends of the chair legs 3 and the armrests 4, and the top ends of the connecting pieces 5 are arranged in the blocking pieces 6 and clamped with the adjacent clamping heads 7. The connecting piece 5 is clamped with the clamping heads 7 at different positions to adjust the armrests 4, so that the inclination angle of the chair back 2 is adjusted, the angle adjusting range of the chair back 2 is 90-180 degrees, and the chair back is safer and more stable.

Claims

1. The utility model provides an office chair, includes seat support (1), back of the chair (2) and chair leg (3), and seat support (1) is articulated its characterized in that with back of the chair (2), chair leg (3) respectively: the chair back (2) is hinged with a handrail (4), a separation blade (6) and a clamping head (7) are arranged in the handrail (4), a connecting piece (5) is hinged at the joint of the upper end of the chair leg (3) and the handrail (4), and the top end of the connecting piece (5) is arranged in the separation blade (6) and is clamped with the adjacent clamping head (7).

2. An office chair as claimed in claim 1, wherein: be equipped with recess (12) in handrail (4), recess (12) both sides are established to separation blade (6) and dop (7) symmetry, connecting piece (5) are including first connecting piece (13) and second connecting piece (14), the tip of first connecting piece (13) and second connecting piece (14) is crooked to separation blade (6) and dop (7) direction of recess (12) both sides respectively, the tip card of first connecting piece (13) and second connecting piece (14) is between adjacent dop (7).

3. An office chair as claimed in claim 2, wherein: chair leg (3) are including preceding supporting leg (9) and back supporting leg (10), preceding supporting leg (9) are articulated with back supporting leg (10), establish between preceding supporting leg (9) and back supporting leg (10) first connecting piece (13) and second connecting piece (14), the lower extreme of back of the chair (2) is equipped with bight (8), bight (8) are articulated with seat support (1), bight (8) and seat support (1) articulated department articulate have connection piece (11), connection piece (11) are articulated with back supporting leg (10).

4. An office chair as claimed in claim 3, wherein: the bottom of the chair seat (1) is provided with a support frame (15), the front support legs (9) are hinged with the support frame (15), the support frame (15) is provided with a hollow sliding part (16), the sliding part (16) is provided with a push-pull rod (17) in a penetrating manner, the front end of the push-pull rod (17) is hinged with a foot pad (18), and the rear end of the push-pull rod (17) is provided with a stop block (19).

5. An office chair as claimed in claim 1, wherein: the bottom of the chair leg (3) is provided with a universal wheel (20).

6. An office chair as claimed in claim 1, wherein: a back cushion fixing rod (21) is arranged on the chair back (2), and a back cushion (22) is arranged on the back cushion fixing rod (21).