Multi-attitude adjustable ergonomic computer chair

Abstract

The utility model relates to computer chair technical field discloses a variety of posture adjustable ergonomics computer chair, including liftable bottom disc, and the bottom disc back side is equipped with the support frame, and the support frame is equipped with the back of a chair, headrest and waist support close to seat one side, and the bottom disc is equipped with first hinged seat and is connected close to back one side, and the bottom disc is hinged support frame through first hinged seat, and the support frame is equipped with the angle adjusting assembly that can adjust and position close to the bottom disc one end connection, and the angle adjusting assembly can realize the adjustment to people's posture leaning on the back of a chair through back of a chair adjusting angle, and the support frame top is equipped with the support assembly that can support the temperature of support frame, the utility model has the advantages compared with prior art: it is convenient for adjusting the back of a chair inclination angle and positioning, improves the applicability of inclination angle adjustment, and it is convenient for stable support computer chair when the computer chair inclines and causes gravity to move back, reduces the space occupation.

Description

Technical Field

[0001] This utility model relates to the field of computer chair technology, specifically to a multi-position adjustable ergonomic computer chair. Background Technology

[0002] To suit environments that require prolonged sitting, such as home office, remote work, and gaming, computer chairs can offer adjustable headrests, backrests, and armrests to meet the needs of extended work sessions.

[0003] To be more ergonomic, the backrest is designed to be adjustable. However, most existing backrests only have a few adjustable positions, and the backrest can only be positioned at the angle that matches the selected position, reducing the practicality of the backrest. In addition, after adjusting the backrest angle, people leaning against the backrest cause the overall center of gravity of the computer chair to shift backward. Without corresponding support components to stabilize it, it is easy to tip over and cause safety risks. Alternatively, the support components are curved beams with their bottoms touching the ground, which not only affects the use of the computer chair's own rotation and adjustment functions, but also takes up a lot of space. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problems to be solved by this utility model are: the limited angle of the backrest's locking mechanism reduces the practicality of the backrest; the lack of corresponding support components makes it easy to tip over and pose a safety risk; or the support components require a lot of space.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a multi-posture adjustable ergonomic computer chair, including a height-adjustable chassis, a ground support claw with steering wheels connected to the bottom end of the chassis, a seat provided at the top of the chassis, a support frame provided on the back side of the chassis, a backrest, a headrest, and a lumbar support provided on the side of the support frame near the seat, a first hinge seat connected to the side of the chassis near the backrest, the chassis hinged to the support frame through the first hinge seat, an angle adjustment component connected to the end of the support frame near the chassis, which can adjust and position the hinge angle, the angle adjustment component can adjust the posture of the person leaning against the backrest by adjusting the angle of the backrest; a support component provided at the top of the support frame for temperature support, the support component can prevent the support frame from tipping over due to changes in the center of gravity after tilting.

[0008] Furthermore, the angle adjustment assembly includes a positioning component for positioning the hinge angle between the support frame and the first hinge seat, and a release component for releasing the positioning angle between the support frame and the first hinge seat. The positioning component includes a second hinge seat connected to the end of the support frame. A hinge cylinder is connected inside the second hinge seat. The hinge cylinder rotatably passes through the first hinge seat. The first hinge seat has several limiting grooves around the hinge cylinder. Movable limiting beads are provided in the limiting grooves. Several through holes are provided around the hinge cylinder to allow the limiting beads to pass through. A drive rod is slidably passed through the hinge cylinder. Annular grooves that cooperate with the limiting beads are provided on both sides of the drive rod.

[0009] Furthermore, the release assembly includes a handle connected to one end of the drive rod, and an end plate connected to the other end of the drive rod. A spring sleeved on the drive rod is provided between the end plate and the hinge cylinder.

[0010] Furthermore, a limiting plate is provided between the drive rod and the end plate and the hinge cylinder. The limiting plate is sleeved on the inner side of the spring. When the limiting bead passes through the through hole and engages with the annular groove, the limiting plate abuts against the end of the hinge cylinder.

[0011] Furthermore, the support assembly includes a sliding groove connected to both sides of the middle of the support frame, a slider is slidably disposed in the sliding groove, and a hinge frame is hinged between the sliders. The hinge frame has a U-shaped structure, and limiting rollers are respectively connected to the two sides of the hinge frame away from the free end. The limiting rollers can be stored at the top of the support frame.

[0012] Furthermore, a limiting boss is provided on the side of the top wall of the support frame away from the headrest.

[0013] Furthermore, the limiting roller has an arc-shaped structure on the side near the slider and a multi-faceted structure on the other side.

[0014] III. Beneficial Effects

[0015] The advantages of this utility model compared with the prior art are as follows:

[0016] The angle adjustment component allows for easy adjustment of the hinge angle between the chassis and the support frame. Once adjusted to the desired angle, it can be positioned to drive changes in the backrest angle, thus facilitating various tilt angle adjustments for users. The support component provides stable support for the backrest when users adopt different reclining postures as the chair tilts, causing the center of gravity of the computer chair to shift backward. This prevents the computer chair from tipping over and posing a safety risk to the user. It also allows for easy storage, reducing space occupation. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of a multi-position adjustable ergonomic computer chair according to this utility model.

[0018] Figure 2 This is a schematic diagram of the main cross-section of a multi-position adjustable ergonomic computer chair according to this utility model.

[0019] Figure 3 yes Figure 2 A magnified structural diagram of A in the middle.

[0020] Figure 4 This is a side sectional view of a multi-position adjustable ergonomic computer chair according to the present invention.

[0021] Figure 5 yes Figure 4 A magnified structural diagram of B in the diagram.

[0022] As shown in the figure: 1. Chassis, 2. Support claw, 3. Seat, 4. Support frame, 5. Backrest, 6. First hinge seat, 7. Second hinge seat, 8. Hinge cylinder, 9. Limiting groove, 10. Limiting bead, 11. Through hole, 12. Drive rod, 13. Ring groove, 14. Handle, 15. End plate, 16. Spring, 17. Limiting plate, 18. Slide groove, 19. Hinge frame, 20. Limiting roller, 21. Limiting boss. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] To achieve multiple adjustable postures for the computer chair, combined with the attached... Figure 1 and Figure 2 A multi-position adjustable ergonomic computer chair includes a height-adjustable chassis 1. A support claw 2 with swivel wheels is connected to the bottom end of the chassis 1. A seat is located at the top of the chassis 1. A support frame 4 is located on the back side of the chassis 1. A backrest 5, a headrest, and a lumbar support are located on the side of the support frame 4 near the seat. A first hinge seat 6 is connected to the side of the chassis 1 near the backrest 5. The support frame 4 is hinged to the chassis 1 via the first hinge seat 6. An angle adjustment component is connected to the end of the support frame 4 near the chassis 1, which can adjust and position the hinge angle. The angle adjustment component adjusts the angle via the backrest 5 to adjust the posture of the user leaning against the backrest 5. The angle adjustment component includes a positioning component for positioning the hinge angle between the support frame 4 and the first hinge seat 6, and a release component for releasing the positioning angle between the support frame 4 and the first hinge seat 6.

[0026] In order to position the hinge angle between the support frame 4 and the first hinge seat 6 so that people can stably maintain a comfortable posture when leaning against the chair back 5, combined with the attached... Figure 2 and Figure 3 The positioning component includes a second hinge seat 7 connected to the end of the support frame 4. A hinge cylinder 8 is connected inside the second hinge seat 7. The hinge cylinder 8 is rotatably disposed through the first hinge seat 6. The first hinge seat 6 is provided with a plurality of limiting grooves 9 around the hinge cylinder 8. A movable limiting bead 10 is provided in the limiting groove 9. A plurality of through holes 11 are provided around the hinge cylinder 8 so that the limiting bead 10 can pass through. A drive rod 12 is slidably disposed inside the hinge cylinder 8. Annular grooves 13 that cooperate with the limiting bead 10 are provided on both sides of the drive rod 12.

[0027] In order to release the hinge angle between the support frame 4 and the first hinge seat 6, so that the hinge angle between the support frame 4 and the first hinge seat 6 returns to the adjustable state, in conjunction with the attached... Figure 2 and Figure 3 The release assembly includes a handle 14 connected to one end of the drive rod 12, and an end plate 15 connected to the other end of the drive rod 12. A spring 16 is provided between the end plate 15 and the hinge cylinder 8 and sleeved outside the drive rod 12. A limiting plate 17 is provided between the drive rod 12 and the end plate 15 and the hinge cylinder 8. The limiting plate 17 is sleeved inside the spring 16. When the limiting bead 10 passes through the through hole 11 and engages with the annular groove 13, the limiting plate 17 abuts against the end of the hinge cylinder 8.

[0028] Example 2

[0029] Based on Embodiment 1, after the support frame 4 tilts to a certain range, the center of gravity shifts backward. In order to achieve stable support for the backrest 5 and prevent the computer chair from tipping over due to the shift in the center of gravity, combined with the attached... Figure 1 , Figure 4 and Figure 5 The top of the support frame 4 is provided with a support component that can provide temperature support for the support frame 4. The support component can prevent the support frame 4 from tipping over due to changes in the center of gravity after tilting. The support component includes a sliding groove 18 connected to both sides of the middle part of the support frame 4. A slider is slidably provided in the sliding groove 18. A hinge frame 19 is hinged between the sliders. The hinge frame 19 has a U-shaped structure. Limiting rollers 20 are respectively connected to the two sides of the hinge frame 19 away from the free end. The limiting roller 20 has an arc-shaped structure on the side near the slider and a multi-faceted structure on the other side. The limiting roller 20 can be stored at the top of the support frame 4. A limiting boss 21 is connected to the top wall of the support frame 4 away from the headrest.

[0030] The specific usage method is as follows:

[0031] If it is necessary to adjust the hinge angle between the support frame 4 and the first hinge seat 6, the drive rod 12 is moved to the left by pulling the handle 14. The drive rod 12 drives the end plate 15 to move to the left, causing the spring 16 to compress and store force until the limiting plate 17 abuts against the end of the hinge cylinder 8. At this time, the limiting bead 10 passes through the through hole 11 and cooperates with the annular groove 13, no longer limiting the cooperation with the limiting groove 9. The backrest 5 can adjust the hinge angle between the support frame 4 and the first hinge seat 6 through the hinge cylinder 8.

[0032] After adjusting to the appropriate angle, release the handle 14. The drive rod 12 moves to the right under the reset tension of the spring 16. At this time, the annular groove 13 is no longer opposite to the limiting bead 10. Drive the limiting bead 10 to slide out through the through hole 11 until one side of the limiting bead 10 contacts the side wall of the drive rod 12, and the other side achieves a limiting engagement with the limiting groove 9. At this time, the hinge cylinder 8 cannot rotate, thereby achieving the angle positioning of the support frame 4.

[0033] When the limiting roller 20 is not needed for support, the hinge frame 19 can be driven to slide upwards. Then, by rotating the hinge frame 19 counterclockwise to the top of the support frame 4, the hinge frame 19 is released. At this time, the limiting roller 20 is located between the limiting boss 21 and the headrest, and can be temporarily limited by the limiting boss 21 to reduce space occupation. When the chair back 5 is tilted to a certain degree, the limiting roller 20 is lowered under the action of gravity. Since the limiting roller 20 has an arc structure on the side near the slider, the limiting roller 20 can drive the hinge frame 19. The hinge frame 19 drives the limiting roller 20 to slide out of the range of the limiting boss 21 through the sliding cooperation between the slider and the slide groove 18, and rotates downwards with the hinge point of the hinge frame 19 and the slider as the axis until the multi-faceted side of the limiting roller 20 contacts the ground. At this time, the support frame 4 can be stably supported.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 process, method, article, or apparatus.

[0035] 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.

[0036] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A multi-position adjustable ergonomic computer chair, comprising a height-adjustable chassis (1), wherein the bottom end of the chassis (1) is connected to a ground support claw (2) with steering wheels, the top end of the chassis (1) is provided with a seat (3), the back of the chassis (1) is provided with a support frame (4), and the support frame (4) is provided with a backrest (5), a headrest and a lumbar support on the side near the seat, characterized in that: The chassis (1) is connected to a first hinge seat (6) on the side near the backrest (5). The chassis (1) is hinged to the support frame (4) through the first hinge seat (6). The support frame (4) is connected to an angle adjustment component that can adjust and position the hinge angle at one end near the chassis (1). The angle adjustment component can adjust the posture of people leaning on the backrest (5) by adjusting the angle through the backrest (5). The top of the support frame (4) is provided with a support component that can provide temperature support for the support frame (4). The support component can prevent the support frame (4) from overturning due to changes in the center of gravity after tilting.

2. The ergonomic computer chair with adjustable posture according to claim 1, characterized in that: The angle adjustment assembly includes a positioning assembly for positioning the hinge angle between the support frame (4) and the first hinge seat (6) and a release assembly for releasing the positioning angle between the support frame (4) and the first hinge seat (6). The positioning assembly includes a second hinge seat (7) connected to the end of the support frame (4). A hinge cylinder (8) is connected inside the second hinge seat (7). The hinge cylinder (8) is rotatably connected through the first hinge seat (6). The first hinge seat (6) has several limiting grooves (9) circumferentially provided on the hinge cylinder (8). A movable limiting bead (10) is provided in the limiting groove (9). Several through holes (11) through which the limiting beads (10) can pass are provided circumferentially opposite to each other on the hinge cylinder (8). A drive rod (12) is slidably connected through the hinge cylinder (8). Annular grooves (13) that cooperate with the limiting beads (10) are provided on both sides of the drive rod (12).

3. The ergonomic computer chair with adjustable posture according to claim 2, characterized in that: The release assembly includes a handle (14) connected to one end of the drive rod (12), and an end plate (15) connected to the other end of the drive rod (12). A spring (16) sleeved on the drive rod (12) is provided between the end plate (15) and the hinge cylinder (8).

4. The ergonomic computer chair with adjustable posture according to claim 3, characterized in that: The drive rod (12) is connected to the end plate (15) and the hinge cylinder (8) by a limiting plate (17). The limiting plate (17) is sleeved inside the spring (16). When the limiting bead (10) passes through the through hole (11) and cooperates with the annular groove (13), the limiting plate (17) abuts against the end of the hinge cylinder (8).

5. The ergonomic computer chair with adjustable posture according to claim 1, characterized in that: The support assembly includes a sliding groove (18) connected to both sides of the middle part of the support frame (4). A slider is slidably provided in the sliding groove (18), and a hinge frame (19) is hinged between the sliders. The hinge frame (19) has a U-shaped structure. Limiting rollers (20) are respectively connected to the two sides of the hinge frame (19) away from the free end. The limiting rollers (20) can be stored at the top of the support frame (4).

6. The ergonomic computer chair with adjustable posture according to claim 5, characterized in that: The top wall of the support frame (4) is connected to a limiting boss (21) on the side away from the headrest.

7. A multi-position adjustable ergonomic computer chair according to claim 5, characterized in that: The limiting roller (20) has an arc-shaped structure on the side near the slider and a multi-faceted structure on the other side.

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