Ergonomic chair having standing-leaning function

By designing an ergonomic chair with standing and backrest functions, combined with an angle adjustment mechanism for the second chair leg and backrest, the problem of the chair not being able to provide both standing and comfortable sitting postures at the same time has been solved. This has enabled flexible use of the chair and space saving, and has alleviated lower back discomfort caused by prolonged sitting.

WO2026081512A1PCT designated stage Publication Date: 2026-04-23DENG JIANBO
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
DENG JIANBO
Filing Date
2025-06-16
Publication Date
2026-04-23

AI Technical Summary

Technical Problem

Existing chairs cannot provide both standing and comfortable sitting positions simultaneously, and the horizontal base takes up a lot of space, making them inconvenient to use.

Method used

An ergonomic chair with standing and backrest functions was designed, including a first chair leg, a gas spring, a first chair seat, and a first chair back connected in sequence. The chair seat and the chair back support are movably connected. The chair leg is equipped with a second chair leg and a storage mechanism. The second chair leg is flipped and connected through the storage mechanism. Combined with the angle adjustment mechanism of the second chair seat and the chair back, the standing and backrest functions are realized, and the space occupied is reduced through the storage mechanism.

Benefits of technology

It enables flexible switching between standing and sitting postures, providing a comfortable standing and sitting experience, reducing the space occupied by the chair, improving its practicality and comfort, and relieving lumbar fatigue caused by prolonged sitting.

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Abstract

An ergonomic chair having a standing-leaning function. The ergonomic chair comprises a first chair base (2), a gas lift (3) and a first seat (1), which are connected in sequence, and a first backrest (6) and a backrest bracket (5). The first seat (1) is connected to one end of the backrest bracket (5), and the other end of the backrest bracket (5) is connected to the first backrest (6). A second chair base (8) and a storage mechanism are provided on the first chair base (2), and the second chair base (8) is flip-connected to the first chair base (2) by means of the storage mechanism. The ergonomic chair implements standing and leaning by means of providing the second chair base (8), and uses the friction force generated between the feet and the second chair base (8) to counteract the gravity generated in a leaning direction, thereby preventing seats from sliding displacement. The ergonomic chair has strong overall practicability, can bring comfortable standing-leaning usage experience to a user, and can also provide a comfortable sitting posture, thereby mitigating the problem of discomfort such as lumbar fatigue caused by prolonged sitting.
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Description

An ergonomic chair with standing and reclining functions Technical Field

[0001] This utility model relates to the field of seating technology, and in particular to an ergonomic chair with standing and reclining functions. Background Technology

[0002] When working in an office, prolonged desk work can severely compress the spine, leading to serious physical damage such as scoliosis and lumbar muscle strain. Therefore, it is necessary to get up and move around appropriately to relax the body and reduce the harm of prolonged sitting. However, sometimes due to work reasons, it is necessary to work continuously and it is difficult to find time to relax.

[0003] In the prior art, Chinese utility model patent number CN214179789U discloses a height-adjustable chair, including a seat with height adjustable via a lifting component, and a horizontal base below the seat. Users can work while standing or leaning on the seat and horizontal base. The lifting component can be adjusted to the most suitable support height. Although the above chair can provide a comfortable working angle for users, allowing them to work in a standing or leaning posture, the chair is mainly designed for standing or leaning posture. The design of the horizontal base makes the overall size of the chair larger and cannot be stored, which is very inconvenient. It also cannot provide a comfortable posture when sitting. Therefore, there is an urgent need for a reasonable ergonomic chair to solve the above-mentioned technical problems. Technical issues

[0004] In view of the shortcomings of the above-mentioned technologies, such as the inability of the chair to provide both a standing and a comfortable sitting posture and the large space occupied by the horizontal base, this utility model provides an ergonomic chair with a standing and reclining function. Technical solutions

[0005] To achieve the above objectives, this utility model provides an ergonomic chair with standing and backrest functions, comprising a first chair leg, a gas spring, a first chair seat, a first chair back, and a chair back support connected in sequence; the first chair seat is movably connected to one end of the chair back support, and the other end of the chair back support is movably connected to the first chair back; the first chair leg is provided with a second chair leg and a storage mechanism, and the second chair leg is flipped and connected to the first chair leg through the storage mechanism.

[0006] As an improvement of this utility model, the storage mechanism includes a fixing member, a first connecting member, and a second connecting member that are sequentially flipped and connected. The end of the fixing member away from the first connecting member is fixedly disposed on the first chair leg. One end of the second chair leg forms a connection port. The end of the second connecting member away from the first connecting member is disposed in the connection port and flipped and connected to the second chair leg. By flipping the first connecting member and the second connecting member, the second chair leg is folded and stored between the first chair seat and the first chair leg, and the connection port is fitted to the gas spring.

[0007] As an improvement of this utility model, it also includes a second seat and an angle adjustment mechanism. The second seat is movably mounted on the backrest support through the angle adjustment mechanism, and the second seat can be angled relative to the backrest support through the angle adjustment mechanism.

[0008] As an improvement of this utility model, the angle adjustment mechanism is disposed on the backrest adjustment mechanism; the angle adjustment mechanism includes a limiting rod and a locking rod, one end of the locking rod is slidably embedded in the limiting rod, and the other end is hinged to the backrest adjustment mechanism; at least one end of the limiting rod away from the locking rod is hinged to the second seat, the limiting rod is provided with at least one limiting hole, a plurality of limiting holes are spaced apart, and the locking rod is provided with at least one limiting protrusion adapted to the limiting hole.

[0009] As an improvement of this utility model, it also includes a second chair back, a chair back adjustment mechanism, and a connecting back plate. The first chair back is also provided with a seat headrest. The second chair back is arranged opposite to the seat headrest. The chair back adjustment mechanism is embedded on both opposite sides of the second chair back and the seat headrest. The connecting back plate is arranged between the second chair back and the seat headrest and is slidably connected to the chair back adjustment mechanism of the second chair back and the seat headrest.

[0010] As an improvement of this utility model, the chair back adjustment mechanism includes a first sliding member and a second fixing member. The first sliding member is disposed inside the second fixing member, and the second fixing member is provided with a strip-shaped groove. The first sliding member is provided with a strip-shaped groove, and the two sides of the connecting back plate are provided with connecting posts. The two sides of the connecting back plate are respectively embedded into the strip-shaped groove of the first sliding member through the connecting posts and a strip-shaped groove on the second fixing member, so that the connecting back plate is fixedly connected to the first sliding member.

[0011] As an improvement of this utility model, the surface of the second chair leg is provided with an anti-slip layer. Beneficial effects

[0012] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model provides an ergonomic chair with standing and leaning functions, including a first chair leg, a gas spring, a first chair seat, a first chair back, and a chair back support connected in sequence; one end of the first chair seat is movably connected to the chair back support, and the other end of the chair back support is movably connected to the first chair back; the first chair leg is provided with a second chair leg and a storage mechanism, and the second chair leg is flipped and connected to the first chair leg through the storage mechanism; this utility model mainly achieves the standing and leaning function by setting a second chair seat and a second chair leg. When using it, the user leans on the second chair seat, and the friction between the feet and the second chair leg is balanced with the gravity generated by the user in the leaning direction, preventing the seat from sliding. In addition, to increase the support, a second chair back is also provided on the headrest so that the user can rely on multiple support points. Combined with the second chair seat, a more comfortable standing and leaning posture can be achieved; this product provides a comfortable sitting experience and also provides a comfortable standing and leaning experience, alleviating the problem of lower back fatigue and other discomforts caused by prolonged sitting. The product is highly practical and enriches the ways of use. Attached Figure Description

[0013] Figure 1 is a perspective view of this utility model;

[0014] Figure 2 is a side view of this utility model;

[0015] Figure 3 is a schematic diagram of the angle adjustment mechanism of this utility model;

[0016] Figure 4 is a schematic diagram of the chair back adjustment mechanism of this utility model;

[0017] Figure 5 is an exploded view of the chair back adjustment mechanism of this utility model.

[0018] The symbols for the main components are explained below:

[0019] 1. First seat; 2. First leg; 3. Gas spring; 4. Seat adjustment mechanism; 5. Backrest support; 6. First backrest; 61. Headrest; 62. Connecting back panel; 63. Connecting column; 7. Second seat; 8. Second leg; 9. Second backrest; 10. Angle adjustment mechanism; 100. Limiting rod; 101. Snap-fit ​​rod; 102. Limiting hole; 103. Limiting protrusion; 11. Storage mechanism; 110. Fixing component; 111. First connecting component; 112. Second connecting component; 12. Backrest adjustment mechanism; 120. First sliding component; 121. Second fixing component; 122. Strip groove; 123. Limiting groove; 124. Limiting tooth. The best embodiment of the present invention

[0020] To more clearly illustrate this utility model, the following description, in conjunction with the accompanying drawings, will provide a further picture.

[0021] In the following description, examples and details are given to provide a more in-depth understanding of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. It should be understood that the specific embodiments are only used to explain the present invention and are not intended to limit the present invention.

[0022] It should be understood that when the terms “comprising” and / or “including” are used in this specification, they indicate the presence of a feature, whole, step, operation, element, or component, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, or combinations thereof.

[0023] Please refer to Figures 1-5. This utility model discloses an ergonomic chair with standing and backrest functions, comprising a first chair leg 2, a gas spring 3, a first seat 1, a first backrest 6, and a backrest support 5 connected sequentially. One end of the first seat 1 is connected to the backrest support 5, and the other end of the backrest support 5 is connected to the first backrest 6. The first chair leg 2 is provided with a second chair leg 8 and a storage mechanism 11. The second chair leg 8 is connected to the first chair leg 2 via the storage mechanism 11. The first seat 1 is connected to the gas spring 3 via a seat adjustment mechanism 4, which can adjust the comfort of the ergonomic chair. Since ergonomic chair technology is currently quite mature, this application does not cover the specific seat adjustment functions. Without going into too much detail, this application mainly achieves the standing and leaning posture of the ergonomic chair through the second chair leg 8. The second chair leg 8 and the first chair leg 2 can also be connected by a flip connection. When in use, simply lean against the first chair back 6 and put your feet against the second chair leg 8. The friction between your feet and the second chair leg 8 will cancel out the gravity generated by your body towards the second chair seat 7, preventing the entire chair from sliding or shifting towards the user due to gravity. The user can flexibly switch between standing and sitting postures, improving the practicality of the product. It should be noted that the second chair leg 8 can also be placed on both sides of the armrest of the first chair seat 1, and the user can also lean against the armrest. The specific placement is not limited. Embodiments of the present invention

[0024] The working principle of this utility model is as follows:

[0025] In use, first remove the second chair leg 8. By flipping the first connecting piece 111 and the second connecting piece 112, remove the second chair leg 8 and lay it flat on the ground. Then adjust the position of the second chair seat 7 and the second backrest. First, flip the second chair seat 7 upwards. The limiting rod 100 moves with the second chair seat 7, and the limiting protrusion 103 of the locking rod 101 embedded in the limiting rod 100 protrudes out of the limiting hole 102 on the limiting rod 100 to fix the position of the limiting rod 100 and thus fix the angle of the second chair seat 7. The first sliding member 120 and the second sliding member are used to adjust the position of the second backrest and the back panel, respectively. The edges of the two sliding parts are respectively provided with slots that are adapted to the second fixing part 121110 and the third fixing part 110, and they are engaged with the limiting protrusion inside the fixing part 110 to fix the position of the second backrest. When adjusted to a suitable position, the user can lean his upper body against the second seat 7 and the second backrest 9. The user is supported by the second seat 7 and the second backrest 9. When the user leans against the second seat 7 and the second backrest 9, the corresponding gravity will be generated, causing the entire seat to shift under the force. However, when the user's feet are pressed against the second leg 8, the gravity and the friction generated between the user's feet and the second leg 8 are canceled out, so that the seat can remain stationary.

[0026] In this embodiment, a second seat 7 and an angle adjustment mechanism 10 are also included. The second seat 7 is movably mounted on the backrest support 5 via the angle adjustment mechanism 10. The second seat 7 can be angled relative to the backrest support 5 via the angle adjustment mechanism 10. By setting the second seat 7 and the second chair legs 8 to cooperate with each other, the comfort of standing and leaning is improved. The user can place their buttocks on the second seat 7, reducing the pressure on the legs and making it easier and more comfortable to stand and lean. The angle adjustment mechanism 10 includes a limiting rod 100 and a locking rod 101. One end of the locking rod 101 is slidably embedded in a limiting rod 100, and the other end is connected to the backrest support 5. The mechanism is hinged; at least one end of the limiting rod 100 away from the locking rod 101 is hinged to the second seat 7. The limiting rod 100 is provided with at least one limiting hole 102, and multiple limiting holes 102 are spaced apart. The locking rod 101 is provided with at least one limiting protrusion 103 that matches the limiting hole 102. The second seat 7 can be adjusted relative to the backrest support 5 by the angle adjustment mechanism 10. Specifically, the locking rod 101 is provided with a limiting protrusion 103. By stretching the locking rod 101, the limiting protrusion 103 is engaged with the limiting holes 102 at different positions on the limiting rod 100 to fix the angle position of the second seat 7.

[0027] In this embodiment, the storage mechanism 11 includes a fixing member 110, a first connecting member 111, and a second connecting member 112 connected in a flip-over manner. The end of the fixing member 110 away from the first connecting member 111 is fixedly mounted on the first chair leg 2. One end of the second chair leg 8 forms a connection port. The end of the second connecting member 112 away from the first connecting member 111 is flip-connected to the second chair leg 8. By flipping the first connecting member 111 and the second connecting member 112, the second chair leg 8 is folded and stored between the first chair seat 1 and the first chair leg 2, and the connection port is fitted to the gas spring 3. The second chair leg 8 is fitted to the gas spring 3 by flipping the first connecting member 111 and the second connecting member 112. Since the overall volume of the second chair leg 8 is relatively small... The second chair leg 8 is large and would occupy a lot of space. Therefore, a storage mechanism 11 is set up so that the second chair leg 8 can be stored and hidden under the seat to reduce the space occupied. The connection port formed at one end of the second chair leg 8 allows the second chair leg 8 to fit against the gas spring 3. At the same time, the first connector 111 and the second connector 112 are respectively hinged to the fixing member 110 and the connection port, so that the second chair leg 8 can be stored or folded out for use by folding and flipping. The storage mechanism 11 saves the space occupied by the second chair leg 8 and makes it convenient to fold, store and take out for use. In addition, the surface of the second chair leg 8 is provided with an anti-slip layer to increase the friction between the user's feet and the second chair leg 8, making the feet grip the ground stronger and preventing the user from slipping and falling.

[0028] In this embodiment, to improve standing comfort and increase the user's support points, a second backrest 9, a backrest adjustment mechanism 12, and a connecting back plate 62 are also included. The backrest adjustment mechanism 12 is embedded on both opposite sides of the second backrest 9 and the headrest 61. The headrest 61 is also provided on the first backrest 6. The connecting back plate 62 is disposed between the second backrest 9 and the headrest 61 and is slidably connected to the backrest adjustment mechanism 12 of the second backrest 9 and the headrest 61. The backrest adjustment mechanism 12 includes a first sliding member 120 and a second fixing member 121110. The first sliding member 120 is disposed within the second fixing member 121110, which has a strip-shaped groove 122. The first sliding member 120 has a strip-shaped groove. Connecting posts 63 are provided on both sides of the connecting back plate 62. The two sides of the connecting back plate 62 are respectively inserted into the strip groove 122 on the second fixing member 121110 through the connecting post 63, so that the connecting back plate 62 is fixedly connected to the first sliding member 120. The first sliding member has limiting grooves on both sides, and the second fixing member has limiting teeth that are adapted to the limiting grooves. The second backrest 9 is mainly used to increase the comfort of the user when standing and leaning, and at the same time, it can protect the user's waist or back. The second backrest 9 can slide up and down through the backrest adjustment mechanism. The second backrest 9 is mainly locked and adjusted by sliding the first sliding member 120 so that the limiting teeth and the limiting grooves are engaged. According to the different height proportions of the user, the user can make adaptive adjustments. The second backrest 9 is also used to increase the force points of the user when standing and leaning, so that he or she can stand and lean in a more stable posture. Industrial applicability

[0029] 1) By setting a second seat and a second backrest, the ergonomic chair achieves the standing and leaning functions. The second seat and the second backrest can also be adjusted in angle and height, allowing users to flexibly adjust to their most comfortable and suitable angle. Furthermore, the second chair leg ensures that the chair will not shift and a storage mechanism is provided. The second chair leg can be folded and stored between the seat and the first chair leg to reduce space occupation. This product improves the user's comfortable experience, alleviates fatigue and soreness in the lower back caused by prolonged sitting, and provides users with both standing and sitting postures.

[0030] The above-disclosed embodiments are only a few specific examples of this utility model. However, this utility model is not limited thereto. Any variations that can be conceived by those skilled in the art should fall within the protection scope of this utility model.

Claims

1. An ergonomic chair with a station-stand function, characterized by comprising: The chair includes a first chair leg, a gas spring, a first chair seat, a first chair back, and a chair back support connected in sequence; the first chair seat is connected to one end of the chair back support, and the other end of the chair back support is connected to the first chair back; the first chair leg is provided with a second chair leg and a storage mechanism, and the second chair leg is flipped and connected to the first chair leg through the storage mechanism.

2. The ergonomic chair with a station-keeping function according to claim 1, characterized in that, The storage mechanism includes a fixing member, a first connector, and a second connector that are sequentially flipped and connected. The end of the fixing member away from the first connector is fixedly mounted on the first chair leg. One end of the second chair leg forms a connection port. The end of the second connector away from the first connector is disposed in the connection port and flipped and connected to the second chair leg. By flipping the first connector and the second connector, the second chair leg is folded and stored between the first chair seat and the first chair leg, and the connection port is fitted to the gas spring.

3. The ergonomic chair with a station-keeping function according to claim 1, characterized in that, It also includes a second seat and an angle adjustment mechanism. The second seat is movably mounted on the backrest support via the angle adjustment mechanism, and the second seat can be angled relative to the backrest support via the angle adjustment mechanism.

4. The ergonomic chair with a station-keeping function according to claim 3, characterized in that, The angle adjustment mechanism is disposed on the first chair back; the angle adjustment mechanism includes a limiting rod and a locking rod, one end of the locking rod is slidably embedded in the limiting rod, and the other end is hinged to the first chair back; at least one end of the limiting rod away from the locking rod is hinged to the second chair seat, the limiting rod is provided with at least one limiting hole, a plurality of limiting holes are spaced apart, and the locking rod is provided with at least one limiting protrusion adapted to the limiting hole.

5. The ergonomic chair with a station-keeping function according to claim 1, wherein It also includes a second backrest, a backrest adjustment mechanism, and a connecting back plate. The first backrest is also provided with a headrest. The second backrest is arranged opposite to the headrest. The backrest adjustment mechanism is embedded on both opposite sides of the second backrest and the headrest. The connecting back plate is arranged between the second backrest and the headrest and is slidably connected to the backrest adjustment mechanism of the second backrest and the headrest.

6. The ergonomic chair with a station-keeping function according to claim 5, characterized in that, The chair back adjustment mechanism includes a first sliding member and a second fixing member. The first sliding member is disposed within the second fixing member, and the second fixing member has a strip-shaped groove. The first sliding member has a strip-shaped groove, and the two sides of the connecting back plate have connecting posts. The two sides of the connecting back plate are respectively inserted into the strip-shaped groove of the first sliding member through the connecting posts and a strip-shaped groove on the second fixing member, so that the connecting back plate is fixedly connected to the first sliding member. The first sliding member has limiting grooves on both sides, and the second fixing member has limiting teeth that are adapted to the limiting grooves.

7. The ergonomic chair with a station-keeping function according to claim 1, characterized in that, The surface of the second chair leg is provided with an anti-slip layer.

Citation Information

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