CN217610187U

CN217610187U - Chair with adjustable backrest angle for office furniture

Info

Publication number: CN217610187U
Application number: CN202221962025.6U
Authority: CN
Inventors: 江小平
Original assignee: Guangdong Woshi Furniture Co ltd
Current assignee: Guangdong Woshi Furniture Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-10-21
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a seat that is used for office furniture's adjustable back angle, including seat bottom plate, seat backplate and base, seat bottom plate's rear end fixedly connected with links up the piece, the seat backplate rotates with linking up the piece through the pivot to be connected, the spout has been seted up to seat backplate's side, the inner wall sliding connection of spout has the slider of leading, the side of seat bottom plate and seat backplate is connected with angle adjusting mechanism, the slider of leading is connected with angle adjusting mechanism, be connected with between seat bottom plate and the base and disassemble the subassembly. The utility model has the advantages that the angle adjusting mechanism is arranged, so that the angle of the seat back plate can be better adjusted according to the requirements of a user in the using process, and the overall comfort level is higher; the base can be better detached when the whole seat is not used by arranging the disassembling assembly, so that the whole storage space is saved, and later-stage transportation is more convenient.

Description

Chair with adjustable backrest angle for office furniture

Technical Field

The utility model relates to a relevant technical field of seat specifically is a seat of adjustable back angle for office furniture.

Background

The furniture industry in China experiences the first high-speed development period, mainly expands the quantity, initially establishes a complete industrial system which is complete in door types and is in international connection with the rail, and the product can meet the living needs of people and the needs of the international market; wherein, office furniture is an indispensable part in the current office, and the chair is more prominent; the chair is a seat with a backrest and armrests. However, in the existing seat on the market, the angle of the backrest plate is difficult to be quickly adjusted, so that better comfort level is difficult to achieve; moreover, the base is mainly fixedly connected, and the base is difficult to detach for transportation in the later period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but chair of back angle regulation for office furniture to solve the seat on the existing market, the angle of its back board is difficult to carry out quick adjustment and the base is mostly fixed connection, and the later stage is difficult to the problem of separation transportation.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a but chair of back angle regulation for office furniture, includes seat bottom plate, seat back board and base, the rear end fixedly connected with of seat bottom plate links up the piece, the seat back board rotates with linking up the piece through the pivot to be connected, the spout has been seted up to the side of seat back board, the inner wall sliding connection of spout has the guide block, the side of seat bottom plate and seat back board is connected with angle adjustment mechanism, the guide block is connected with angle adjustment mechanism, be connected with between seat bottom plate and the base and disassemble the subassembly.

Further, angle adjustment mechanism includes recess curb plate, first U type piece, handrail, sliding block, first hollow pole, the hollow pole of second, spacing ring, activity disc, spacing inserted bar, spacing jack, fixed disc, first spring and second U type piece, recess curb plate fixed connection is at the side of seat bottom plate, first U type piece fixed connection is on the surface of guide block, the handrail rotates through pivot and first U type piece to be connected, sliding block sliding connection is at the inner wall of recess curb plate, first hollow pole fixed connection is on the upper end surface of sliding block, the hollow pole of second slip cup joints in the periphery of first hollow pole, spacing ring fixed connection is in the periphery of first hollow pole, activity disc sliding connection is at the inner wall of first hollow pole, spacing inserted bar fixed connection is at the lower extreme of activity disc, and at the inner wall sliding connection of first hollow pole, spacing jack is seted up at the inner diapire of recess curb plate, fixed connection is at the inner wall of the hollow pole of second, first spring fixed connection is at the lower extreme of fixed disc, second U type piece fixed connection is at the hollow pole upper end of second.

Further, disassemble the subassembly and include that link disc, bar lead to groove, resettlement groove, dead lever, second spring, slip cover piece and L type joint piece, link disc fixed connection is in the upper end of base, the bar leads to the groove and sets up on the surface of link disc, the resettlement groove is set up on the lower extreme surface of seat bottom plate, dead lever fixed connection is in the inside of resettlement groove, the second spring housing is established in the periphery of dead lever, slip cover piece slides and cup joints the periphery at the dead lever, L type joint piece fixed connection is on the lower extreme surface of slip cover piece.

Furthermore, one end of the second spring is fixedly connected with one end of the sliding sleeve block, and the other end of the second spring is fixedly connected with the end wall of the placement groove.

Furthermore, the lower end of the limiting insertion rod is inserted into the inner wall of the limiting insertion hole, and the opening inner diameter of the limiting insertion hole is matched with the design outer diameter of the limiting insertion rod.

Furthermore, the lower end of the first spring is fixedly connected with the upper end surface of the movable disc, and the second U-shaped block is rotatably connected with the other end of the handrail through a rotating shaft.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this a seat for adjustable back angle of office furniture through setting up angle adjustment mechanism for the angle regulation can be carried out according to user's demand better to the seat backplate in the in-process that uses, thereby lets holistic comfort level higher.

2. This a seat for adjustable back angle of office furniture disassembles the subassembly through setting up, lets whole seat can be better with the base when not using tear open to save holistic parking space, more make things convenient for the transportation in later stage etc..

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a perspective bottom view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a connection structure of a first hollow rod and a second hollow rod according to an embodiment of the present invention;

fig. 4 is a bottom view of a seat bottom plate according to an embodiment of the present invention.

In the figure: 1. a seat pan; 2. a seat back panel; 3. a joining block; 4. a groove side plate; 5. a guide chute; 6. a guide slide block; 7. a first U-shaped block; 8. a handrail; 9. a slider; 10. a first hollow shaft; 11. a second hollow shaft; 12. a limiting ring; 13. a movable disc; 14. a limiting inserted rod; 15. limiting the jacks; 16. fixing the disc; 17. a first spring; 18. a second U-shaped block; 19. a base; 20. connecting the disks; 21. a strip-shaped through groove; 22. a placing groove; 23. a fixing rod; 24. a second spring; 25. a sliding sleeve block; 26. l type joint piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a seat that is used for adjustable back angle of office furniture, includes seat bottom plate 1, seat backplate 2 and base 19, the rear end fixedly connected with of seat bottom plate 1 links up piece 3, seat backplate 2 rotates with linking up piece 3 through the pivot to be connected, the side of seat backplate 2 has been seted up and has been led spout 5, the inner wall sliding connection of leading spout 5 has guide block 6, the side of seat bottom plate 1 and seat backplate 2 is connected with angle adjustment mechanism, and guide block 6 is connected with angle adjustment mechanism, be connected with between seat bottom plate 1 and the base 19 and disassemble the subassembly.

In this embodiment, wherein, through setting up guide chute 5 and guide slide 6 for angle adjustment mechanism can carry out better self-adjustment when highly uncomfortable, thereby satisfies 2 angular adjustment's of back of seat smoothness nature.

Specifically, the angle adjusting mechanism comprises a groove side plate 4, a first U-shaped block 7, an armrest 8, a sliding block 9, a first hollow rod 10, a second hollow rod 11, a limiting ring 12, a movable disc 13, a limiting insertion rod 14, a limiting insertion hole 15, a fixed disc 16, a first spring 17 and a second U-shaped block 18, the groove side plate 4 is fixedly connected to the side of the seat bottom plate 1, the first U-shaped block 7 is fixedly connected to the surface of the guide sliding block 6, the armrest 8 is rotatably connected with the first U-shaped block 7 through a rotating shaft, the sliding block 9 is slidably connected to the inner wall of the groove side plate 4, the first hollow rod 10 is fixedly connected to the upper end surface of the sliding block 9, the second hollow rod 11 is slidably sleeved on the periphery of the first hollow rod 10, the limiting ring 12 is fixedly connected to the periphery of the first hollow rod 10, the movable disc 13 is slidably connected to the inner wall of the first hollow rod 10, the limiting insertion rod 14 is fixedly connected to the lower end of the movable insertion rod 13 and is slidably connected to the inner wall of the first hollow rod 10, the insertion hole 15 is connected to the inner wall of the groove side plate 4, the inner wall of the fixed disc is connected to the inner wall of the second hollow rod 16, and the second hollow rod 17 is fixedly connected to the inner wall of the second hollow rod 17 and the second hollow rod 18.

In this embodiment, wherein, through setting up spacing inserted bar 14 and spacing jack 15 for can obtain quick fixed after spacing inserted bar 14 inserts 15 inner walls of spacing jack when the angle of back of seat board 2 does not need the adjustment, thereby increased the stability in use in later stage.

Specifically, disassemble the subassembly and include that linking disc 20, bar lead to groove 21, arrangement groove 22, dead lever 23, second spring 24, slip cover piece 25 and L type joint piece 26, linking disc 20 fixed connection is in the upper end of base 19, the bar leads to groove 21 and sets up the surface at linking disc 20, arrangement groove 22 sets up the lower extreme surface at seat bottom plate 1, dead lever 23 fixed connection is in the inside of arrangement groove 22, the periphery at dead lever 23 is established to second spring 24 cover, slip cover piece 25 slides and cup joints the periphery at dead lever 23, L type joint piece 26 fixed connection is at the lower extreme surface of slip cover piece 25.

In this embodiment, by providing the fixing rod 23, the second spring 24 and the sliding sleeve block 25, the L-shaped clamping block 26 can better cooperate with the fixing rod 23 and the sliding sleeve block 25 without being forced, and automatically reset under the rebounding force of the second spring 24, thereby completing the purpose of clamping the connecting disc 20.

Specifically, one end of the second spring 24 is fixedly connected with one end of the sliding sleeve block 25, and the other end of the second spring 24 is fixedly connected with the end wall of the placement groove 22.

Specifically, the lower end of the limiting insertion rod 14 is inserted into the inner wall of the limiting insertion hole 15, and the opening inner diameter of the limiting insertion hole 15 is matched with the design outer diameter of the limiting insertion rod 14.

Specifically, the lower end of the first spring 17 is fixedly connected with the upper end surface of the movable disc 13, and the second U-shaped block 18 is rotatably connected with the other end of the armrest 8 through a rotating shaft.

The utility model discloses a theory of operation: when the chair with the adjustable backrest angle for office furniture is used, the base 19 is firstly installed at the lower end of the chair bottom plate 1, and the specific installation steps are as follows: the L-shaped clamping blocks 26 are buckled through buckling holes in the L-shaped clamping blocks 26, and when the four L-shaped clamping blocks 26 can penetrate through the strip-shaped through grooves 21, the base 19 is matched with the connecting disc 20 to be attached to the lower end of the seat bottom plate 1; then, the force applied to the L-shaped clamping blocks 26 is released, and the L-shaped clamping blocks 26 can reset at the moment, so that the four L-shaped clamping blocks 26 clamp the connecting disc 20 and can be supported for use; in addition, if the angle of the seat back panel 2 is not comfortable during use, the second hollow rod 11 can be manually pulled upwards, so that the second hollow rod 11 moves upwards at the periphery of the first hollow rod 10, in the process, the fixed disc 16 can be matched with the first spring 17 to pull the movable disc 13 upwards, so that the movable disc 13 drives the limit inserting rod 14 to move upwards, the limit inserting rod 14 is separated from the limit inserting hole 15, the sliding block 9 can slide on the inner wall of the groove side plate 4, then the seat back panel 2 rotates by being matched with the first U-shaped block 7, the armrest 8 and the second U-shaped block 18, and in the process, the first U-shaped block 7 can be matched with the guide chute 5 and the guide sliding block 6 to perform certain adjustment, and finally the purpose of adjusting the angle of the seat back panel 2 is achieved.

Finally, it should be noted that: having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be regarded as illustrative only and not as limiting the present specification. Various modifications, improvements and adaptations to the present description may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present specification and thus fall within the spirit and scope of the exemplary embodiments of the present specification. Also, the description uses specific words to describe embodiments of the description. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means a feature, structure, or characteristic described in connection with at least one embodiment of the specification. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the specification may be combined as appropriate. Additionally, the order in which the elements and sequences of the process are recited in the specification, the use of alphanumeric characters, or other designations, is not intended to limit the order in which the processes and methods of the specification occur, unless otherwise specified in the claims.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a but chair of adjustable back angle for office furniture, includes seat bottom plate (1), seat backplate (2) and base (19), the rear end fixedly connected with of seat bottom plate (1) links up piece (3), seat backplate (2) rotate through pivot and linking up piece (3) and are connected its characterized in that: the utility model discloses a chair back plate, including seat backboard (2), leading spout (5) have been seted up to the side of seat backboard (2), the inner wall sliding connection of leading spout (5) has guide block (6), the side of seat bottom plate (1) and seat backboard (2) is connected with angle adjusting mechanism, guide block (6) are connected with angle adjusting mechanism, be connected with between seat bottom plate (1) and base (19) and disassemble the subassembly.

2. A chair for adjustable back angle of office furniture as claimed in claim 1, wherein: the angle adjusting mechanism comprises a groove side plate (4), a first U-shaped block (7), an armrest (8), a sliding block (9), a first hollow rod (10), a second hollow rod (11), a limiting ring (12), a movable disc (13), a limiting inserted rod (14), a limiting insertion hole (15), a fixed disc (16), a first spring (17) and a second U-shaped block (18), wherein the groove side plate (4) is fixedly connected to the side edge of the seat bottom plate (1), the first U-shaped block (7) is fixedly connected to the surface of the guide sliding block (6), the armrest (8) is rotatably connected with the first U-shaped block (7) through a rotating shaft, the limiting ring (12) is fixedly connected to the peripheral edge of the first hollow rod (10), the first hollow rod (10) is fixedly connected to the upper end surface of the sliding block (9), the second hollow rod (11) is slidably sleeved to the periphery of the first hollow rod (10), the limiting ring (12) is fixedly connected to the peripheral edge of the first hollow rod (10), the movable inserted rod (13) is slidably connected to the lower end of the first hollow rod (14), and the sliding block (14) is connected to the inner wall of the limiting ring (4), the fixed disc (16) is fixedly connected to the inner wall of the second hollow rod (11), the first spring (17) is fixedly connected to the lower end of the fixed disc (16), and the second U-shaped block (18) is fixedly connected to the upper end of the second hollow rod (11).

3. A chair for adjustable back angle of office furniture as claimed in claim 1, wherein: disassemble the subassembly and include connecting disc (20), bar through groove (21), arrangement groove (22), dead lever (23), second spring (24), slip cover piece (25) and L type joint piece (26), connecting disc (20) fixed connection is in the upper end of base (19), the bar is passed through groove (21) and is seted up on the surface of connecting disc (20), the lower extreme surface in seat bottom plate (1) is seted up in arrangement groove (22), dead lever (23) fixed connection is in the inside of arrangement groove (22), the periphery at dead lever (23) is established in second spring (24) cover, slip cover piece (25) slide and cup joint the periphery at dead lever (23), L type joint piece (26) fixed connection is at the lower extreme surface of slip cover piece (25).

4. A chair for office furniture with adjustable backrest angle, according to claim 3, characterized in that: one end of the second spring (24) is fixedly connected with one end of the sliding sleeve block (25), and the other end of the second spring (24) is fixedly connected with the end wall of the placing groove (22).

5. A chair for adjustable back angle of office furniture as claimed in claim 2, wherein: the lower end of the limiting insertion rod (14) is inserted into the inner wall of the limiting insertion hole (15), and the opened inner diameter of the limiting insertion hole (15) is matched with the designed outer diameter of the limiting insertion rod (14) mutually.

6. A chair for adjustable back angle of office furniture as claimed in claim 2, wherein: the lower end of the first spring (17) is fixedly connected with the upper end surface of the movable disc (13), and the second U-shaped block (18) is rotatably connected with the other end of the handrail (8) through a rotating shaft.