Chair with ergonomic armrests

Abstract

The utility model relates to the technical field of seats, and discloses a chair with ergonomic armrests, which comprises a support plate, the left side and the right side of the support plate are fixedly connected with connecting plates II, the tops of the connecting plates II are fixedly connected with limiting blocks, the right sides of the tops of the limiting blocks are provided with sliding rails, the inner walls of the sliding rails are slidably connected with sliding blocks, and the sliding blocks are fixedly connected with the connecting plates II. A motor is fixedly connected to the right side of the sliding block, a gear is fixedly connected to the output end of the motor, a connecting ring is fixedly connected to the right side of the limiting block, a toothed plate is fixedly connected to the right side of the connecting ring, a toothed rail is arranged in the middle of the toothed plate, and the top end of the toothed rail is in meshing connection with the outer wall of the gear. According to the utility model, the appropriate positions of the armrests can relieve the pressure of the shoulders and the neck, muscle tension and fatigue caused by long-time poor sitting postures are prevented, and the height of the seat is adjusted according to the height of a person, so that the feet can be in stable contact with the ground, and the fatigue of the legs is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a chair with an ergonomic armrest. Background Art

[0002] The design of ergonomic chairs aims to improve the comfort, support and productivity of users, while reducing physical discomfort or health problems that may be caused by sitting for a long time. It involves multiple fields, including but not limited to ergonomics, materials science and design engineering. The design of ergonomic chairs is based on the principles of ergonomics, that is, how to design products to adapt to the natural form and movement needs of the human body.

[0003] Chairs are ubiquitous in life and are used in a very wide range of fields, including but not limited to office, home, education, medical, public places, sports and entertainment. Office chairs are used for sitting in front of a work desk for a long time and usually have an ergonomic design to improve comfort and productivity. Chairs in educational institutions are usually designed for use in classrooms and lectures, taking into account both comfort and durability. The design of public seats takes into account high durability and comfort.

[0004] When working in the office for a long time and spending too much time in front of the computer, people are prone to fatigue. The existing chair armrests are simple and immovable, and cannot relieve fatigue well. The setting of the backrest is also too simple, and the waist and head cannot relieve pressure either. Summary of the Utility Model

[0005] To make up for the above deficiencies, the utility model provides a chair with an ergonomic armrest, aiming to improve the problems of single and fixed armrests and incomplete backrest functions in the existing technology.

[0006] To achieve the above object, the utility model adopts the following technical scheme: A chair with an ergonomic armrest, including a support plate. Both the left and right sides of the support plate are fixedly connected with a second connecting plate. The top of the second connecting plate is fixedly connected with a limiting block. A slide rail is opened on the right side of the top of the limiting block. A slider is slidably connected to the inner wall of the slide rail. The right side of the slider is fixedly connected with a motor. The output end of the motor is fixedly connected with a gear. The right side of the limiting block is fixedly connected with a connecting ring. The right side of the connecting ring is fixedly connected with a toothed plate. A toothed rail is opened in the middle of the toothed plate. The top end of the toothed rail is meshed with the outer wall of the gear. The top end of the slider is fixedly connected with an armrest frame. The top of the armrest frame is fixedly connected with an ergonomic armrest. The top of the support plate is fixedly connected with a seat plate. The bottom of the support plate is fixedly connected with a telescopic rod. The other end of the telescopic rod is fixedly connected with a base frame. A support mechanism is arranged at the rear side of the support plate, and the support mechanism is used for protecting against leaning.

[0007] As a further description of the above technical solution:

[0008] The supporting mechanism includes a first connecting plate. The front side of the first connecting plate is fixedly connected to the rear side of the supporting plate. A supporting column is fixedly connected to the rear side of the top of the supporting plate. The top end of the supporting column is fixedly connected to a fixing frame. The top end of the fixing frame is fixedly connected to a bent plate. A headrest is fixedly connected to the front side of the bent plate. A backrest is fixedly connected to the front side of the fixing frame. A lumbar support is arranged at the bottom of the front side of the backrest.

[0009] As a further description of the above technical solution:

[0010] Fixing columns are fixedly connected to the bottoms of the five ends of the base frame, and protective covers are fixedly connected to the outer walls of the fixing columns.

[0011] As a further description of the above technical solution:

[0012] A pulley is rotatably connected to the bottom of the fixing column, and a silent sleeve is fixedly connected to the outer wall of the pulley.

[0013] As a further description of the above technical solution:

[0014] A soft pad is fixedly connected to the outer wall of the top end of the headrest, and a breathable pad is fixedly connected to the top of the lumbar support.

[0015] As a further description of the above technical solution:

[0016] An anti-slip pad is fixedly connected to the top of the ergonomic armrest, and a seat cushion is arranged on the top of the seat plate.

[0017] As a further description of the above technical solution:

[0018] A controller is fixedly connected to the front side of the limit block, and the controller is electrically connected to the motor and the telescopic rod.

[0019] As a further description of the above technical solution:

[0020] A telescopic protective sleeve is arranged on the outer wall of the telescopic rod, and the upper and lower ends of the telescopic protective sleeve are fixedly connected to the bottom of the supporting plate and the top of the base frame.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, when the gear rotates, since the toothed rail in the toothed plate causes the slider to move in the slide rail of the limit block, the slider drives the armrest frame thereon to move, and then drives the armrest to move. The telescopic rod can drive the supporting plate to move up and down to adjust the height. An appropriate armrest position can relieve the pressure on the shoulders and neck, prevent muscle tension and fatigue caused by long-term bad sitting postures, and adjust the seat height according to personal height so that the feet can stably contact the ground.

[0023] 2. In the present utility model, the headrest fixed to the bent plate can well support the head, and the lumbar support can also comfortably support the lumbar position. The soft pad on the headrest and the breathable pad on the lumbar support also play a role in relieving fatigue and pressure. The lumbar support can help maintain the correct spinal curve and prevent low back pain. The headrest provides additional neck support, which helps to relieve the pressure on the neck and shoulders, especially when sitting or working for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The front perspective view of the support plate of the chair with ergonomic armrests proposed by the present utility model;

[0025] Figure 2 The left perspective view of the support plate of the chair with ergonomic armrests proposed by the present utility model;

[0026] Figure 3 The bottom view of the support plate of the chair with ergonomic armrests proposed by the present utility model;

[0027] Figure 4 The structural exploded view of the support plate of the chair with ergonomic armrests proposed by the present utility model;

[0028] Figure 5 The partial structural view of the ergonomic armrest of the chair with ergonomic armrests proposed by the present utility model.

[0029] LEGEND DESCRIPTION:

[0030] 1. Support plate; 2. Support mechanism; 201. First connecting plate; 202. Support column; 203. Fixed frame; 204. Bent plate; 205. Headrest; 206. Backrest; 207. Lumbar support; 208. Breathable pad; 209. Soft pad; 3. Second connecting plate; 4. Limit block; 5. Slide rail; 6. Slide block; 7. Motor; 8. Gear; 9. Connecting ring; 10. Toothed plate; 11. Toothed rail; 12. Armrest frame; 13. Ergonomic armrest; 14. Anti-slip pad; 15. Telescopic rod; 16. Base frame; 17. Fixed column; 18. Pulley; 19. Silent sleeve; 20. Protective cover; 21. Telescopic protective sleeve; 22. Seat plate; 23. Seat cushion; 24. Controller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] 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.

[0032] Please refer to the attached Figure 1 attachment Figure 4 attachment Figure 5 attachment. An embodiment provided by the present utility model: an ergonomic armchair, including a support plate 1. Both the left and right sides of the support plate 1 are fixedly connected with a second connecting plate 3. The top of the second connecting plate 3 is fixedly connected with a limiting block 4. The right side of the top of the limiting block 4 is provided with a slide rail 5. The inner wall of the slide rail 5 is slidably connected with a slider 6. The right side of the slider 6 is fixedly connected with a motor 7. The output end of the motor 7 is fixedly connected with a gear 8. The right side of the limiting block 4 is fixedly connected with a connecting ring 9. The right side of the connecting ring 9 is fixedly connected with a toothed plate 10. The middle of the toothed plate 10 is provided with a toothed rail 11. The top end of the toothed rail 11 is meshed with the outer wall of the gear 8. The top end of the slider 6 is fixedly connected with an armrest frame 12. The top of the armrest frame 12 is fixedly connected with an ergonomic armrest 13. The top of the support plate 1 is fixedly connected with a seat plate 22. The bottom of the support plate 1 is fixedly connected with a telescopic rod 15. The other end of the telescopic rod 15 is fixedly connected with a base frame 16. A support mechanism 2 is arranged at the rear side of the support plate 1. The support mechanism 2 is used to protect the user when leaning. The front side of the limiting block 4 is fixedly connected with a controller 24. The controller 24 is electrically connected with the motor 7 and the telescopic rod 15;

[0033] Specifically, the limiting block 4 ensures the stability and safety of the chair. The output end of the motor 7 is connected with a gear 8 to achieve precise control and adjustment. The right side of the limiting block 4 is also fixedly connected with a connecting ring 9. The right side of the connecting ring 9 is fixedly connected with a toothed plate 10. The middle of the toothed plate 10 is provided with a toothed rail 11. The top end of the toothed rail 11 is meshed with the outer wall of the gear 8, ensuring the smooth movement and positioning of the armrest. The ergonomic armrest 13 provides comfortable elbow support for the user. The top of the support plate 1 is fixedly connected with a seat plate 22, providing a comfortable sitting experience for the user. The support mechanism 2 is arranged at the rear side of the support plate 1, which is specifically designed to protect the back safety of the user when leaning. The height of the armrest and the seat can be easily adjusted through the controller 24 to adapt to different sitting postures.

[0034] Please refer to the attached Figure 2 attachment Figure 3 attachment. The support mechanism 2 includes a first connecting plate 201. The front side of the first connecting plate 201 is fixedly connected with the rear side of the support plate 1. The rear side of the top of the support plate 1 is fixedly connected with a support column 202. The top end of the support column 202 is fixedly connected with a fixing frame 203. The top end of the fixing frame 203 is fixedly connected with a bent plate 204. The front side of the bent plate 204 is fixedly connected with a headrest 205. The front side of the fixing frame 203 is fixedly connected with a backrest 206. A lumbar support 207 is arranged at the bottom of the front side of the backrest 206. The top outer wall of the headrest 205 is fixedly connected with a soft pad 209. The top of the lumbar support 207 is fixedly connected with a breathable pad 208;

[0035] Specifically, the fixing bracket 203 plays an important supporting role in the structure. The design of the bent plate 204 enables a headrest 205 to be fixedly connected to its front side, providing support for the user's head. The design of the backrest 206 takes into account ergonomics, and a lumbar support 207 is provided at the bottom of its front side to provide lumbar support and comfort. The soft cushion 209 makes the head support softer and more comfortable, and the breathable cushion 208 ensures the breathability of the lumbar support, thus providing a more comfortable use experience.

[0036] Please refer to the attached Figure 1 attachment Figure 2 attachment Figure 4 and attachment

[0037] Specifically, the protective cover 20 prevents accidental injury to the user during use and reduces the noise generated when the pulley 18 rotates. A silent sleeve 19 is fixedly connected to its outer wall, thus ensuring a quiet environment during use. The anti-slip pad 14 provides a better grip and anti-slip effect to ensure the safety of the user during use. The seat cushion 23 provides a more comfortable sitting feeling, enabling the user to remain comfortable during long-term use.

[0038] Working principle: When the armrest needs to be adjusted, the controller 24 is activated, and the motor 7 starts to work to drive the gear 8 to rotate. Since the toothed rail 11 in the toothed plate 10 causes the slider 6 to move in the slide rail 5 of the limiting block 4, the slider 6 drives the armrest frame 12 thereon to move, and then drives the armrest to move, and can be adjusted to a suitable position. Activating the telescopic rod 15 can drive the support plate 1 to move up and down, driving the seat plate 22 to move, and the height can be adjusted. By adjusting the position of the functional armrest, it can adapt to different body types and sitting postures, reduce the fatigue caused by long-term sitting. An appropriate armrest position can relieve the pressure on the shoulders and neck, prevent muscle tension and fatigue caused by long-term poor sitting postures. Adjusting the seat height according to personal height enables the feet to contact the ground smoothly, reducing leg fatigue;

[0039] When rest is needed, the connecting plate 1 (201) and the support column 2 (202) jointly fix the fixing frame 3 (203). The fixing frame 3 (203) contacts the backrest 6 (206) over a large area, evenly dispersing the force. The headrest 5 (205) fixed by the bending plate 4 (204) at the top of the fixing frame 3 (203) can well support the head. A lumbar support 7 (207) is provided at the waist position of the backrest 6 (206), which can also comfortably support the waist position. The soft pad 9 (209) on the headrest 5 (205) and the breathable pad 8 (208) on the lumbar support 7 (207) also have the effect of relieving fatigue and pressure. High-quality cushion filling materials can provide better comfort and support. The lumbar support can help maintain the correct spinal curve and prevent low back pain. The headrest provides additional neck support, which helps to reduce the pressure on the neck and shoulders, especially when sitting or working for a long time.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A chair with ergonomic armrests, comprising a support plate (1), characterized in that: The left and right sides of the support plate (1) are fixedly connected to a second connecting plate (3); the top of the second connecting plate (3) is fixedly connected to a limiting block (4); a slide rail (5) is provided on the right side of the top of the limiting block (4); a slider (6) is slidably connected to the inner wall of the slide rail (5); a motor (7) is fixedly connected to the right side of the slider (6); a gear (8) is fixedly connected to the output end of the motor (7); a connecting ring (9) is fixedly connected to the right side of the limiting block (4); a toothed plate (10) is fixedly connected to the right side of the connecting ring (9); and the middle of the toothed plate (10) is provided with a toothed plate (10). A toothed rail (11) is provided, the top end of the toothed rail (11) is meshingly connected with the outer wall of the gear (8), the top end of the slider (6) is fixedly connected with an armrest frame (12), the top of the armrest frame (12) is fixedly connected with an ergonomic armrest (13), the top of the support plate (1) is fixedly connected with a seat plate (22), the bottom of the support plate (1) is fixedly connected with a telescopic rod (15), the other end of the telescopic rod (15) is fixedly connected with a base frame (16), and a supporting mechanism (2) is provided on the rear side of the support plate (1), and the supporting mechanism (2) is used for protecting leaning.

2. The ergonomic chair with armrests according to claim 1, characterized in that: The support mechanism (2) comprises a connecting plate (201), the front side of the connecting plate (201) being fixedly connected to the rear side of the support plate (1), the top rear side of the support plate (1) being fixedly connected to a support column (202), the top end of the support column (202) being fixedly connected to a fixing frame (203), the top end of the fixing frame (203) being fixedly connected to a bending plate (204), the front side of the bending plate (204) being fixedly connected to a head support (205), the front side of the fixing frame (203) being fixedly connected to a backrest (206), and a lumbar support (207) being provided at the front bottom of the backrest (206).

3. The ergonomic chair with armrests according to claim 1, characterized in that: The five bottom ends of the base frame (16) are all fixedly connected to a fixing column (17), and the outer wall of the fixing column (17) is fixedly connected to a protective cover (20).

4. The ergonomic chair with armrests according to claim 3, characterized in that: The bottom of the fixed column (17) is rotatably connected to a pulley (18), and the outer wall of the pulley (18) is fixedly connected to a silent sleeve (19).

5. The ergonomic chair with armrests according to claim 2, characterized in that: A soft pad (209) is fixedly connected to the outer wall of the top end of the head support (205), and a breathable pad (208) is fixedly connected to the top of the waist support (207).

6. The ergonomic chair with armrests according to claim 1, characterized in that: The top of the ergonomic armrest (13) is fixedly connected with an anti-slip pad (14), and the top of the seat board (22) is provided with a seat pad (23).

7. The ergonomic chair with armrests according to claim 1, characterized in that: A controller (24) is fixedly connected to the front side of the limit block (4), and the controller (24) is electrically connected to the motor (7) and the telescopic rod (15).

8. The ergonomic chair with armrests according to claim 1, characterized in that: The outer wall of the telescopic rod (15) is provided with a telescopic protective sleeve (21), and the upper and lower ends of the telescopic protective sleeve (21) are fixedly connected to the bottom of the support plate (1) and the top of the base frame (16).

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