Multifunctional office chair

Abstract

The utility model relates to the technical field of office appliances, in particular to a multifunctional office chair which comprises a support, a chair plate is mounted at the top of the support, a backrest component is mounted at the top of the back of the chair plate, armrest supports are mounted at the tops of two sides of the chair plate, and armrest plates are rotatably connected to the tops of the armrest supports through bearings. The armrest supports can vertically stretch out and draw back so as to drive the armrest plates to conduct lifting adjustment, and a headrest with the adjustable angle is installed at the top of the backrest assembly. According to the multifunctional office chair provided by the utility model, compared with the traditional office chair, the comfort and the functionality of the multifunctional office chair provided by the utility model are remarkably improved. Through ingenious structural design and rich adjusting functions, the office chair not only can effectively support a plurality of key parts such as the waist, the back and the neck of a user, but also can be flexibly adjusted according to personal requirements and body type differences of the user, so that more comfortable and healthy sitting posture experience is brought to the user.

Description

Technical Field

[0001] The utility model relates to the technical field of office appliances, and specifically, to a multifunctional office chair. Background Art

[0002] In a modern office environment, as an important office appliance, the comfort and functionality of an office chair have a crucial impact on improving the work efficiency and health level of employees. Traditional office chairs often only have basic seat and backrest functions, lacking consideration for the support and adjustment of different parts of the human body. Prolonged use can easily lead to physical discomfort and even cause various occupational health problems. With the increasing emphasis on the concept of healthy office, the market urgently needs an office chair that can provide more functions and adjustment options to meet the needs of users with different body shapes and sitting postures. Content of the Utility Model

[0003] The purpose of the utility model is to provide a multifunctional office chair to solve the problems in the above-mentioned background art that traditional office chairs often only have basic seat and backrest functions, lack consideration for the support and adjustment of different parts of the human body, and prolonged use can easily lead to physical discomfort and even cause various occupational health problems.

[0004] To achieve the above purpose, the utility model provides a multifunctional office chair, which includes a support, a seat board is installed on the top of the support, a backrest assembly is installed on the top of the back of the seat board, armrest supports are installed on the top of both sides of the seat board, an armrest board is rotatably connected to the top of the armrest support through a bearing, the armrest support can be vertically telescoped to drive the armrest board to perform lifting adjustment, and an adjustable headrest is installed on the top of the backrest assembly.

[0005] Preferably, the seat board includes a support plate, a support frame is installed at the bottom of the support plate, a stress frame is installed in the middle of the support frame, and an installation hole is provided at the bottom of the stress frame.

[0006] Preferably, the backrest assembly includes a backrest board, a frame is installed on the side of the backrest board, a backrest support is installed on the back of the frame, a backrest seat is installed at the bottom of the backrest support, and the backrest seat is installed on the support through bolts.

[0007] Preferably, a lumbar support assembly is installed in the middle of the backrest support. The lumbar support assembly includes a fixing plate, a sliding groove is provided in the middle of the fixing plate, a sliding block is provided in the sliding groove, a lumbar support plate is connected to the outside of the sliding block, and handles are installed on both sides of the lumbar support plate.

[0008] Preferably, a clamping groove is provided on the side wall of the fixing plate, a groove is provided in the middle of the slider, a spring is provided inside the groove, clamping blocks are installed at both ends of the spring, and the clamping blocks are in clamping fit with the clamping groove.

[0009] Preferably, an arc-shaped protrusion is provided on the outer wall of the clamping block.

[0010] Preferably, the armrest support includes a sleeve and a fixing rod. The sleeve is in plug-in fit with the fixing rod. A plurality of adjustment holes are provided on the surface of the fixing rod. A locking bolt is installed on the sleeve, and the locking bolt is connected and fixed to the adjustment hole.

[0011] Preferably, the headrest is rotatably connected to the top of the backrest assembly through a pin shaft, and the connection part can be locked and fixed through a bolt.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In this multifunctional office chair, the multifunctional office chair provided by the present utility model has achieved remarkable improvements in terms of comfort and functionality compared with traditional office chairs. Through ingenious structural design and rich adjustment functions, this office chair can not only effectively support multiple key parts of the user such as the waist, back, and neck, but also can be flexibly adjusted according to the user's personal needs and body type differences, thereby bringing a more comfortable and healthy sitting posture experience to the user.

[0014] Specifically, the armrest support of this multifunctional office chair can be vertically telescoped to drive the armrest plate to be lifted and adjusted to adapt to the arm lengths and sitting postures of different users; the headrest at the top of the backrest assembly can be adjusted in angle to further meet the different needs of users for head support; and the design of the waist support assembly fully considers the comfortable support of the user's waist. By moving the slider in the chute, the user can easily adjust the position of the waist support plate to find the most suitable support point for himself. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is one of the overall structural schematic diagrams of the present utility model;

[0016] Figure 2 is the second overall structural schematic diagram of the present utility model;

[0017] Figure 3 is the structural schematic diagram of the seat plate in the present utility model;

[0018] Figure 4 is the structural schematic diagram of the backrest assembly in the present utility model;

[0019] Figure 5 is the structural schematic diagram of the waist support assembly in the present utility model;

[0020] Figure 6 This is a schematic structural diagram of the slider in the present utility model.

[0021] The meanings of each label in the figure are as follows:

[0022] 1, support; 2, seat board; 21, support plate; 22, support frame; 23, force-bearing frame; 231, mounting hole; 3, armrest support; 4, armrest board; 5, backrest assembly; 51, backrest board; 52, frame; 53, backrest bracket; 54, backrest seat; 6, lumbar support assembly; 61, fixing plate; 611, card slot; 612, sliding slot; 62, slider; 621, groove; 622, spring; 623, clamping block; 63, lumbar support board; 64, handle; 7, headrest. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] The present utility model provides a multifunctional office chair, as Figures 1-6 shown, including a support 1, a seat board 2 is installed on the top of the support 1, a backrest assembly 5 is installed on the top of the back of the seat board 2, armrest supports 3 are installed on the top of both sides of the seat board 2, and the top of the armrest support 3 is rotatably connected to an armrest board 4 through a bearing. The armrest support 3 can be vertically telescoped, thereby driving the armrest board 4 to be lifted and adjusted. An adjustable-angle headrest 7 is installed on the top of the backrest assembly 5. Through a clever structural design, the multifunctionality and height adjustability of the seat are realized. Specifically, the seat board 2 is installed on the top of the support 1, providing a stable sitting posture support for the user. The backrest assembly 5 is installed on the top of the back of the seat board 2, providing a comfortable back support for the user. The armrest supports 3 are installed on the top of both sides of the seat board 2 and can be vertically telescoped to drive the armrest board 4 to be lifted and adjusted. This design enables the user to flexibly adjust the height of the armrest according to personal arm length and sitting posture habits, thereby obtaining a more comfortable armrest support experience. In addition, an adjustable-angle headrest 7 is also installed on the top of the backrest assembly 5, and the user can adjust the angle of the headrest according to needs to obtain a more head-fitting support, further enhancing the comfort and applicability of the seat. In summary, the multifunctional office chair of the present utility model significantly improves the comfort and functionality of the seat through multiple clever designs, bringing a healthier and more comfortable office experience to the user.

[0025] In this embodiment, the seat board 2 includes a support board 21. A support frame 22 is installed at the bottom of the support board 21. A stress-bearing frame 23 is installed in the middle of the support frame 22. An installation hole 231 is provided at the bottom of the stress-bearing frame 23 to improve the stress during support.

[0026] Specifically, the backrest assembly 5 includes a backrest board 51. A frame 52 is installed on the side of the backrest board 51. A backrest bracket 53 is installed on the back of the frame 52. A backrest seat 54 is installed at the bottom of the backrest bracket 53. The backrest seat 54 is installed on the support 1 by bolts to facilitate the support of the back.

[0027] Furthermore, a lumbar support assembly 6 is installed in the middle of the backrest bracket 53. The lumbar support assembly 6 includes a fixing plate 61. A chute 612 is provided in the middle of the fixing plate 61. A slider 62 is provided in the chute 612. A lumbar support board 63 is connected to the outside of the slider 62. Handles 64 are installed on both sides of the lumbar support board 63. The slider 62 is manually adjusted to rise and fall through the handles 64, so as to realize the height adjustment of the lumbar support board 63.

[0028] Furthermore, a clamping groove 611 is provided on the side wall of the fixing plate 61. A groove 621 is provided in the middle of the slider 62. A spring 622 is provided inside the groove 621. Clamping blocks 623 are installed at both ends of the spring 622. The clamping blocks 623 are in clamping fit with the clamping groove 611 to ensure the clamping and fixing of the lumbar support board 63 after adjustment.

[0029] Furthermore, an arc-shaped protrusion is provided on the outer wall of the clamping block 623 to facilitate the detachment and insertion of the clamping block 623.

[0030] Furthermore, the armrest support 3 includes a sleeve and a fixing rod. The sleeve is in plug-in fit with the fixing rod. A number of adjustment holes are provided on the surface of the fixing rod. A locking bolt is installed on the sleeve. The locking bolt is connected and fixed to the adjustment hole to facilitate the telescopic adjustment of the armrest support 3.

[0031] Furthermore, the headrest 7 is rotatably connected to the top of the backrest assembly 5 through a pin shaft, and the connection can be locked and fixed by bolts to facilitate the rotation and fixation of the headrest 7.

[0032] When the multifunctional office chair of the present utility model is in use, first, the user sits on the seat board 2 (as Figure 1 shown). Through the ingenious design of the support board 21, the support frame 22 and the stress-bearing frame 23 (as Figure 2 shown), the seat board 2 provides stable sitting posture support for the user. The design of the installation hole 231 at the bottom of the stress-bearing frame 23 makes the seat board 2 more stable when stressed.

[0033] The backrest assembly 5 (as Figure 3The backrest assembly 5 (as shown) is installed at the top of the back of the seat board 2, providing comfortable back support for the user. The backrest assembly 5 includes a backrest board 51, a frame 52, a backrest bracket 53 and a backrest seat 54. The backrest seat 54 is installed on the support 1 by bolts, facilitating the user's back support.

[0034] The armrest supports 3 (as Figure 4 shown) are installed at the top of both sides of the seat board 2 and can be telescopically adjusted vertically. The armrest supports 3 include a sleeve and a fixed rod. The sleeve and the fixed rod are inserted and matched with each other. A number of adjustment holes are provided on the surface of the fixed rod, and a locking bolt is installed on the sleeve. The user can, according to their personal arm length and sitting posture habits, adjust the position of the locking bolt in the adjustment holes to achieve the telescopic adjustment of the armrest supports 3, thereby driving the armrest board 4 (as Figure 1 shown) to be adjusted up and down to obtain a more comfortable armrest support experience.

[0035] An adjustable headrest 7 (as Figure 5 shown) is also installed at the top of the backrest assembly 5. The headrest 7 is rotatably connected to the top of the backrest assembly 5 through a pin shaft, and the connection can be locked and fixed by bolts. The user can adjust the angle of the headrest 7 as needed to obtain more fitting head support, further improving the comfort and applicability of the seat.

[0036] In addition, a lumbar support assembly 6 (as Figure 6 shown) is installed in the middle of the backrest bracket 53. The lumbar support assembly 6 includes a fixing plate 61, a sliding groove 612, a sliding block 62, a lumbar support plate 63 and a handle 64. The user can manually adjust the lifting of the sliding block 62 in the sliding groove 612 through the handle 64, thereby realizing the height adjustment of the lumbar support plate 63. A clamping groove 611 is provided on the side wall of the fixing plate 61, a groove 621 is provided in the middle of the sliding block 62, a spring 622 and clamping blocks 623 are installed at both ends are provided inside the groove 621. The clamping blocks 623 are clamped and matched with the clamping groove 611 to ensure the clamping and fixing after the adjustment of the lumbar support plate 63. An arc-shaped protrusion is provided on the outer wall of the clamping block 623 to facilitate the detachment and insertion of the clamping block 623.

[0037] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and do not limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A multifunctional office chair, comprising a support (1), characterized in that: A seat plate (2) is installed on the top of the support (1), a backrest assembly (5) is installed on the top of the back of the seat plate (2), armrest supports (3) are installed on the top of both sides of the seat plate (2), the top of the armrest support (3) is rotatably connected to an armrest plate (4) via a bearing, the armrest support (3) can be vertically extended and retracted, thereby driving the armrest plate (4) to be raised and lowered, and a headrest (7) with an adjustable angle is installed on the top of the backrest assembly (5).

2. The multifunctional office chair according to claim 1, characterized in that: The seat plate (2) comprises a support plate (21), a support frame (22) is installed at the bottom of the support plate (21), a force frame (23) is installed in the middle of the support frame (22), and a mounting hole (231) is provided at the bottom of the force frame (23).

3. The multifunctional office chair according to claim 1, characterized in that: The backrest assembly (5) comprises a backrest plate (51), a frame (52) is mounted on the side of the backrest plate (51), a backrest bracket (53) is mounted on the back of the frame (52), a backrest seat (54) is mounted on the bottom of the backrest bracket (53), and the backrest seat (54) is mounted on the support (1) by means of bolts.

4. The multifunctional office chair according to claim 3, characterized in that: A lumbar support assembly (6) is installed in the middle of the backrest bracket (53), and the lumbar support assembly (6) comprises a fixing plate (61), a slide groove (612) is provided in the middle of the fixing plate (61), a slider (62) is provided in the slide groove (612), the outer side of the slider (62) is connected to the lumbar support plate (63), and handles (64) are installed on both sides of the lumbar support plate (63).

5. The multifunctional office chair according to claim 4, characterized in that: A slot (611) is provided on the side wall of the fixing plate (61), a groove (621) is provided in the middle of the sliding block (62), a spring (622) is provided inside the groove (621), and blocks (623) are installed at both ends of the spring (622), and the blocks (623) are engaged with the slot (611).

6. The multifunctional office chair according to claim 5, characterized in that: The outer wall of the clamping block (623) is provided with an arc-shaped protrusion.

7. The multifunctional office chair according to claim 1, characterized in that: The handrail support (3) comprises a sleeve and a fixing rod, the sleeve and the fixing rod are plugged together, a surface of the fixing rod is provided with a plurality of adjustment holes, a locking bolt is installed on the sleeve, and the locking bolt is connected and fixed to the adjustment hole.

8. The multifunctional office chair according to claim 1, characterized in that: The headrest (7) is rotatably connected to the top of the backrest assembly (5) via a pin, and the connection can be locked and fixed by bolts.

Images