An adaptive office chair

Abstract

The utility model relates to office furniture technical field discloses a kind of self-adapting office chair, including chair seat, chair leg support and chair back support, chair seat includes cushion and backrest, chair back support includes cushion support part and backrest connecting part, self-adapting office chair further include the slide rail mechanism of setting in the bottom of cushion, and the linkage tilting mechanism of setting on the back of backrest, by such structural arrangement, when user leans back, backrest leans back relatively, cushion is automatically, smooth and moves forward, to always adhere to human body curve, disperse pressure, to make that human body is more comfortable when leaning back, and when user restores to normal sitting posture, cushion can be automatically reset, always dynamically adapt user sitting posture, keep most comfortable state.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, specifically to an adaptive office chair. Background Technology

[0002] As a common type of home or office furniture, office chairs are increasingly valued by consumers for their comfort and ergonomic design. Traditional office chairs, especially those with a reclining function, typically have a fixed connection between the seat and backrest, or only a simple linkage. When a user reclines, their center of gravity shifts backward, and their buttocks and thighs tend to slide forward on the seat surface. The fixed seat cannot adapt to this natural posture change, resulting in pressure on the front of the thighs from the front edge of the seat, and the lower back may be unsupported due to a lack of effective support. This design flaw makes users prone to numbness in the legs and lower back pain when leaning against the seat for extended periods, preventing them from achieving a truly relaxed and comfortable state. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] This utility model provides an adaptive office chair. When the user leans back, the backrest leans back relatively, and the seat cushion automatically and smoothly moves forward to conform to the curves of the human body and distribute pressure at all times. It can automatically return to its original position when the user returns to the sitting posture.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adaptive office chair, comprising a seat, leg supports, and a backrest support. The seat includes a cushion and a backrest, and the backrest support includes a cushion support and a backrest connection. The adaptive office chair further includes: a slide rail mechanism, fixedly installed at the bottom of the cushion, allowing the cushion to slide in the front-back direction; and a linkage tilting mechanism, disposed on the back of the backrest, allowing the backrest to rotate relatively backward. When the user leans back, the cushion slides forward on the slide rail mechanism to conform to the user's dynamic sitting posture.

[0007] In one possible implementation, the linkage tilting mechanism includes an inner back panel rotatably connected to the back of the backrest, and the backrest connecting part of the chair back bracket and the inner back panel are fixedly connected.

[0008] In one possible implementation, the backrest is connected to the inner back panel via a pin, allowing the backrest to rotate relative to the inner back panel.

[0009] In one possible implementation, one end of the pin is press-fitted to prevent the pin from shifting.

[0010] In one possible implementation, the slide rail mechanism includes at least two relatively parallel slide rails, and the bottom of the seat cushion engages with the slide rails via at least one sliding member.

[0011] In one possible implementation, the slide rail mechanism further includes a reset elastic element that acts on the sliding component to provide a backward reset elastic force to the seat cushion.

[0012] In one possible implementation, the reset elastic element is a spring, which is disposed inside the slide rail, with one end abutting against the inner wall of the slide rail and the other end abutting against the sliding component.

[0013] In one possible implementation, at least one bearing is also provided at the bottom of the seat cushion to assist the seat cushion in sliding.

[0014] In one possible implementation, the chair seat is an integrated seat and backrest; and / or the backrest is provided with hooks.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides an adaptive office chair with the following beneficial effects:

[0017] An adaptive office chair includes a seat, leg supports, and backrest supports. The seat includes a cushion and a backrest. The backrest supports include a cushion support and a backrest connection. The adaptive office chair also includes a slide rail mechanism located at the bottom of the cushion and a linkage tilting mechanism located on the back of the backrest. With this structure, when the user leans back, the backrest tilts back relatively, and the cushion automatically and smoothly moves forward to conform to the curves of the human body and distribute pressure. It can also automatically return to its original position when the user returns to a sitting posture. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the adaptive office chair;

[0019] Figure 2 This is a structural diagram of the disassembled state of the adaptive office chair;

[0020] Figure 3 This is a schematic diagram of the overall structure of the sliding mechanism;

[0021] Figure 4 This is a schematic diagram of the disassembled sliding mechanism.

[0022] Figure 5 This is the first structural diagram of the adaptive office chair;

[0023] Figure 6 This is the second structural diagram of the adaptive office chair.

[0024] In the diagram: 1. Seat; 2. Leg support; 3. Backrest support; 11. Seat cushion; 12. Backrest; 31. Seat cushion support; 311. Slide rail groove; 32. Backrest connection; 4. Slide rail mechanism; 41. Slide rail; 42. Sliding component; 43. Reset elastic element; 5. Linkage tilting mechanism; 51. Inner back panel; 52. Pin; 6. Bearing; 7. Hook; 8. Fastening screw; 9. Armrest. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 This is a structural diagram of the adaptive office chair and its specific components according to the present invention. As shown in the figure, the adaptive office chair of the present invention includes a seat 1, a leg support 2, and a backrest support 3. The seat 1 includes a seat cushion 11 and a backrest 12. The backrest support 3 includes a seat cushion support part 31 and a backrest connecting part 32. The adaptive office chair also includes: a slide rail mechanism 4, which is fixedly installed at the bottom of the seat cushion 11 so that the seat cushion 11 can slide in the front-back direction; and a linkage tilting mechanism 5, which is set on the back of the backrest 12 so that the backrest 12 can rotate relatively backward. When the user leans back, the seat cushion 11 slides forward on the slide rail mechanism 4 to conform to the user's dynamic sitting posture.

[0027] This adaptive office chair uses a sliding rail mechanism at the bottom of the seat and a linked tilting mechanism on the backrest to allow the seat to automatically and smoothly move forward when the user leans back, so as to adapt to the curves of the human body, distribute pressure, and make the human body more comfortable when leaning back, just like the most comfortable state when a person stretches.

[0028] In one possible implementation, the seat 1 can be an integrated seat and backrest. For convenience in hanging items on the backrest, please refer to [the relevant documentation / reference needed]. Figure 5 As shown, a hook 7 can also be installed on the back of the backrest 12. The hook 7 can be installed in a hinged manner, for example, it can be installed on the back of the backrest using an interference fit with a pin.

[0029] The linkage tilting mechanism in this invention only needs to be able to drive the backrest to rotate relative to the human body curve when the user leans back. Specifically, to more clearly explain the structure of this invention, a specific linkage tilting mechanism is provided, including an inner back panel 51 rotatably connected to the back of the backrest 12, and the backrest connecting part 32 of the chair back support 3 is fixedly connected to the inner back panel 51. Specifically, it can be connected by fastening screws 8.

[0030] In one possible implementation, the backrest 12 is connected to the inner back panel 51 via a pin 52, allowing the backrest 12 to rotate relative to the inner back panel 51.

[0031] In one possible implementation, one end of the pin 52 is press-fitted to prevent the pin 52 from shifting.

[0032] In one possible implementation, the slide rail mechanism 4 includes at least two relatively parallel slide rails 41, and the bottom of the cushion 11 engages with the slide rails 41 via a sliding member 42. Specifically, the sliding member is disposed within the slide rail and can slide relative to the slide rail, and the bottom of the cushion 11 is fixed to the sliding member by a fastening screw 8.

[0033] To facilitate the installation of the slide rail, a slide rail groove 311 is provided on the seat support part 31 for installing the slide rail 41, so as to limit the slide rail 41 within the slide rail groove 311.

[0034] In one possible implementation, the slide rail mechanism 4 further includes a reset elastic element 43, which acts on the sliding component 42 to provide a backward reset elastic force for the seat cushion 11.

[0035] In one possible implementation, the reset elastic element 43 is a spring, which is disposed inside the slide rail 41, with one end abutting against the inner wall of the slide rail 41 and the other end abutting against the sliding member 42. To prevent the spring from disengaging, a protrusion is provided at the end of the sliding member 42 that abuts against the spring, and the protrusion is inserted into the spring.

[0036] In one possible implementation, at least one bearing 6 is also provided at the bottom of the seat cushion 11 to assist the seat cushion 11 in sliding. The cooperation between the bearing and the sliding component makes the sliding process of the seat cushion smoother.

[0037] In one possible implementation, four bearings 6 are provided at the bottom of the seat cushion 11, respectively located on both sides of the slide rail 41.

[0038] In addition, the office chair is equipped with armrests 9 for easy hand support.

[0039] The above detailed description of the adaptive office chair, in conjunction with the accompanying drawings, indicates that the adaptive office chair of this utility model includes a seat, a leg support, and a backrest support. The seat includes a cushion and a backrest, and the backrest support includes a cushion support and a backrest connection. The adaptive office chair also includes a slide rail mechanism located at the bottom of the cushion and a linkage tilting mechanism located on the back of the backrest. With this structural design, when the user leans back, the backrest tilts back relatively, and the cushion automatically and smoothly moves forward to conform to the curves of the human body and distribute pressure, so that the human body can stretch more comfortably when leaning back, just like the most comfortable state when a person stretches.

[0040] Furthermore, the seat cushion is provided with a backward elastic force by a reset elastic element, so that the seat cushion automatically resets when the user returns to a normal sitting posture, dynamically adapting to the user's sitting posture at all times and maintaining the most comfortable state.

[0041] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adaptive office chair, characterized in that, The adaptive office chair includes a seat, leg supports, and a backrest support. The seat includes a cushion and a backrest. The backrest support includes a cushion support and a backrest connection. The adaptive office chair also includes: A slide rail mechanism is fixedly installed at the bottom of the seat cushion, allowing the seat cushion to slide in the front-to-back direction; A linkage tilting mechanism is installed on the back of the backrest so that the backrest can rotate relatively backward. When the user leans back, the seat cushion slides forward on the slide rail mechanism to conform to the user's dynamic sitting posture.

2. The adaptive office chair according to claim 1, characterized in that, The linkage tilting mechanism includes an inner back panel that is rotatably connected to the back of the backrest, and the backrest connecting part of the chair back bracket and the inner back panel are fixedly connected.

3. The adaptive office chair according to claim 2, characterized in that, The backrest is connected to the inner back panel via a pin, allowing the backrest to rotate relative to the inner back panel.

4. The adaptive office chair according to claim 3, characterized in that, One end of the pin is press-fitted to prevent it from shifting.

5. The adaptive office chair according to claim 1, characterized in that, The slide rail mechanism includes at least two relatively parallel slide rails, and the bottom of the seat cushion cooperates with the slide rails through a sliding component.

6. The adaptive office chair according to claim 5, characterized in that, The slide rail mechanism also includes a reset elastic element, which acts on the sliding component to provide a backward reset elastic force for the seat cushion.

7. The adaptive office chair according to claim 6, characterized in that, The reset elastic element is a spring, which is disposed inside the slide rail, with one end abutting against the inner wall of the slide rail and the other end abutting against the sliding component.

8. The adaptive office chair according to claim 1, characterized in that, At least one bearing is also provided at the bottom of the seat cushion to assist the seat cushion in sliding.

9. The adaptive office chair according to claim 8, characterized in that, The bottom of the seat cushion is provided with four bearings, which are respectively located on both sides of the slide rail.

10. The adaptive office chair according to any one of claims 1-9, characterized in that, The chair seat is an integrated seat and backrest; and / or the backrest is provided with hooks.

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