Rotary chair with chassis movement track capable of transversely moving
The four-point chassis translation structure and elastic adjustment structure solve the problem of the base tilting upward when the swivel chair reclines, ensuring riding comfort and realizing the stable lateral movement and locking function of the seat, thus improving the user experience of the swivel chair.
Patent Information
- Application Number
- CN202520559020.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing swivel chairs tend to tilt upwards when reclining, causing the feet to leave the ground and affecting riding comfort.
The chair adopts a four-point chassis translation structure and elastic adjustment structure to ensure that the seat moves forward and backward when the backrest is tilted back. The movement trajectory of the seat is adjusted by the elastic adjustment structure and the tilting locking structure to prevent the seat from tilting upward.
It ensures that the seat does not tilt up when the backrest is reclined, keeping the feet in contact with the ground and improving riding comfort. It also features a reclining lock for easy adjustment and a simple and practical structure.
Smart Images
Figure CN223695345U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of swivel chair, especially a swivel chair with horizontal moving bottom disc track. BACKGROUND
[0002] The swivel chair is an office chair that can rotate and move, can rotate 360 degrees, and can recline and lift. It is a computer chair and a type of office chair. The part of the chair that the user sits on can rotate. Swivel chairs can be divided into two types: half swivel chairs and full swivel chairs. With the continuous development of technology, people have higher and higher requirements for the manufacturing process of swivel chairs.
[0003] The existing swivel chair has some drawbacks when in use. First, when the existing swivel chair reclines, the base may tilt upward with the reclining of the backrest. After the front end of the base tilts upward, the user's feet may leave the ground, which may cause discomfort during long-term use and bring some negative impact to the actual use process. Therefore, we propose a swivel chair with a horizontal moving bottom disc track. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a swivel chair with a horizontal moving bottom disc track, which is provided with a four-turn-point bottom disc translation structure and an elastic adjustment structure. When the backrest reclines, the seat can move horizontally with the backrest, and the seat will not tilt upward, ensuring that the user's feet will not leave the ground during use, and the comfort is more excellent. The swivel chair can also be locked when reclining, which is convenient to adjust and simple and practical, and can effectively solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme: a swivel chair with a horizontal moving bottom disc track, comprising a seat, a bottom disc main body, and a chair frame, wherein the seat is arranged at the upper end of the bottom disc main body, the rear end of the bottom disc main body is connected with a backrest, a front support arm is connected between the bottom disc main body and the seat, a back support is connected between the bottom disc main body and the backrest, a second turning point is arranged between the bottom disc main body and the front support arm, a third turning point is arranged between the bottom disc main body and the back support, a first turning point is arranged between the front support arm and the seat, and a fourth turning point is arranged between the back support and the seat.
[0006] Preferably, the inside of the bottom disc main body is provided with an elastic adjustment structure, a lifting structure, a torsion spring, and a reclining locking structure, the end of the elastic adjustment structure is provided with an elastic adjustment gear, the lifting structure is arranged in the middle of the bottom disc main body, and the elastic adjustment structure is connected with the torsion spring.
[0007] Preferably, the middle of the chair frame is provided with a lifting cylinder, the upper end of the lifting cylinder is clamped with the bottom disc main body, the bottom of the chair frame is movably provided with a universal wheel, and the upper end surface of the seat is positioned with a breathable chair pad.
[0008] Preferably, the elastic force adjusting structure adjusts the tightness of the torsion spring, and the elastic force adjusting structure is adjusted by the elastic force adjusting gear, and the backrest locking structure locks the backrest angle of the swivel chair.
[0009] Preferably, the top of the chair frame supports the chassis body by the lifting cylinder, and the lifting cylinder drives the chassis body to move up and down, and the bottom of the chair frame is moved by the universal wheel.
[0010] Preferably, the seat and the chassis body are integrated, and the seat, the chassis body and the backrest are translated by the front supporting arm, the back support, the first rotation point, the second rotation point, the fourth rotation point and the third rotation point, that is, when the backrest is tilted backward, the seat is translated on the chassis body without tilting upward.
[0011] Compared with the prior art, the utility model provides a swivel chair with a chassis movement trajectory that can be transversely moved, which has the following beneficial effects: the swivel chair with a chassis movement trajectory that can be transversely moved is provided with a four-rotation-point chassis translation structure and an elastic force adjusting structure, the seat can be transversely moved with the backrest when the backrest is tilted backward, and the seat will not tilt upward, so that the feet of the user will not leave the ground when the user is sitting, the comfort is excellent, the backrest can be locked, the adjustment is convenient, the utility model is simple and practical, the elastic force adjusting structure adjusts the tightness of the torsion spring, the elastic force adjusting structure is adjusted by the elastic force adjusting gear, the backrest locking structure locks the backrest angle of the swivel chair, the seat, the chassis body and the backrest are translated by the front supporting arm, the back support, the first rotation point, the second rotation point, the fourth rotation point and the third rotation point, that is, when the backrest is tilted backward, the seat is translated on the chassis body without tilting upward, the whole swivel chair structure is simple, the operation is convenient, and the use effect is better than that of the traditional mode. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a whole structure schematic view of the utility model discloses a chassis movement trajectory can transversely move's swivel chair.
[0013] Fig. 2 It is a chassis body side view structure schematic view in the utility model discloses a chassis movement trajectory can transversely move's swivel chair.
[0014] Fig. 3 It is a chassis body inside structure schematic view in the utility model discloses a chassis movement trajectory can transversely move's swivel chair.
[0015] In the diagram: 1. Seat; 2. Breathable seat cushion; 3. Main chassis; 4. Chair frame; 5. Casters; 6. Lifting cylinder; 7. Backrest; 8. First pivot point; 9. Front support arm; 10. Second pivot point; 11. Third pivot point; 12. Backrest support; 13. Fourth pivot point; 14. Elastic adjustment gear; 15. Torsion spring; 16. Lifting structure; 17. Reclining locking structure; 18. Elastic adjustment structure. Detailed Implementation
[0016] The technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings and specific embodiments.
[0017] like Figs. 1-3 As shown, a swivel chair with a laterally movable chassis includes a seat 1, a chassis body 3, and a chair frame 4. The seat 1 is located on the upper end of the chassis body 3, and a backrest 7 is connected to the rear end of the chassis body 3. A front support arm 9 is connected between the chassis body 3 and the seat 1, and a back support 12 is connected between the chassis body 3 and the backrest 7. A second pivot point 10 is set between the chassis body 3 and the front support arm 9, a third pivot point 11 is set between the chassis body 3 and the back support 12, a first pivot point 8 is set between the front support arm 9 and the seat 1, and a fourth pivot point 13 is set between the back support 12 and the seat 1. With a four-pivot-point chassis translation structure and an elastic adjustment structure, when the backrest is reclined, the seat can move laterally back and forth with the backrest without tilting upwards, ensuring that the feet do not leave the ground when sitting, thus providing superior comfort. It can also be locked back, making it easy to adjust and simple to use.
[0018] Furthermore, the chassis body 3 is equipped with an elastic adjustment structure 18, a lifting structure 16, a torsion spring 15 and a tilting locking structure 17. The end of the elastic adjustment structure 18 is provided with an elastic adjustment gear 14. The lifting structure 16 is located in the middle of the chassis body 3. The elastic adjustment structure 18 is connected to the torsion spring 15.
[0019] Furthermore, a lifting cylinder 6 is installed in the middle of the chair frame 4, and a chassis body 3 is engaged at the upper end of the lifting cylinder 6. Universal wheels 5 are movably installed at the bottom of the chair frame 4, and a breathable seat cushion 2 is positioned on the upper surface of the seat 1.
[0020] Furthermore, the elastic adjustment structure 18 adjusts the torque of the torsion spring 15, and the elastic adjustment structure 18 is adjusted through the elastic adjustment gear 14, while the reclining locking structure 17 locks the reclining angle of the swivel chair.
[0021] Furthermore, the top of the chair frame 4 is supported by the chassis body 3 by the lifting cylinder 6, and the lifting cylinder 6 drives the chassis body 3 to move up and down. The bottom of the chair frame 4 is moved and adjusted by the casters 5.
[0022] Further, the chair seat 1 and the chassis body 3 are provided as an integrated structure, the chair seat 1 and the chassis body 3, the backrest 7 are translated through the front supporting arm 9, the back support 12, the first rotation point 8, the second rotation point 10, the fourth rotation point 13 and the third rotation point 11, that is, when the backrest 7 leans back, the chair seat 1 is translated on the chassis body 3 and does not tilt up.
[0023] Working principle: the utility model discloses a chair seat 1, breathable chair pad 2, chassis body 3, chair frame 4, universal wheel 5, lifting cylinder 6, backrest 7, first rotation point 8, front supporting arm 9, second rotation point 10, third rotation point 11, back support 12, fourth rotation point 13, elastic adjusting gear 14, torsion spring 15, lifting structure 16, leaning back locking structure 17, elastic adjusting structure 18, elastic adjusting structure 18 adjusts the torsion of torsion spring 15, and elastic adjusting structure 18 is adjusted and moves through elastic adjusting gear 14, leaning back locking structure 17 locks the leaning back angle of swivel chair, the chair seat 1 and the chassis body 3, the backrest 7 are translated through the front supporting arm 9, the back support 12, the first rotation point 8, the second rotation point 10, the fourth rotation point 13 and the third rotation point 11, that is, when the backrest 7 leans back, the chair seat 1 is translated on the chassis body 3 and does not tilt up, is equipped with four rotation point chassis translation structure and elastic adjusting structure, when the backrest leans back, the chair seat can follow the backrest and move horizontally, and the situation of tilting up does not appear, ensure that the foot does not leave the ground when riding, and the comfort is more excellent, can also carry out leaning back locking, be convenient for adjusting, simple and practical.
[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A swivel chair with a transverse moving trajectory of the chassis, comprising a seat (1), a chassis body (3) and a chair frame (4), characterized in that: The chair seat (1) is arranged at the upper end of the chassis body (3), the rear end of the chassis body (3) is connected with a backrest (7), the chassis body (3) and the chair seat (1) are connected with a front support arm (9), the chassis body (3) and the backrest (7) are connected with a back support (12), the chassis body (3) and the front support arm (9) are provided with a second rotation point (10), the chassis body (3) and the back support (12) are provided with a third rotation point (11), the front support arm (9) and the chair seat (1) are provided with a first rotation point (8), and the back support (12) and the chair seat (1) are provided with a fourth rotation point (13).
2. The swivel chair of claim 1, wherein: The inside of the chassis body (3) is provided with an elastic force adjusting structure (18), a lifting structure (16), a torsion spring (15) and a back leaning locking structure (17), the end of the elastic force adjusting structure (18) is provided with an elastic force adjusting gear (14), the lifting structure (16) is located in the middle of the chassis body (3), and the elastic force adjusting structure (18) is connected with the torsion spring (15).
3. The swivel chair of claim 1, wherein: The middle of the chair frame (4) is provided with a lifting cylinder (6), the upper end of the lifting cylinder (6) is clamped with the chassis body (3), the bottom of the chair frame (4) is movably provided with a universal wheel (5), and the upper end surface of the chair seat (1) is positioned with a breathable chair pad (2).
4. The swivel chair of claim 2, wherein: The elastic force adjusting structure (18) adjusts the torsion degree of the torsion spring (15), and the elastic force adjusting structure (18) is adjusted and moved through the elastic force adjusting gear (14), and the back leaning locking structure (17) locks the back leaning angle of the swivel chair.
5. The swivel chair of claim 3, wherein: The top of the chair frame (4) supports the chassis body (3) through the lifting cylinder (6), and the lifting cylinder (6) drives the chassis body (3) to move up and down, and the bottom of the chair frame (4) moves and adjusts through the universal wheel (5).
6. The swivel chair of claim 1, wherein: The chair seat (1) and the chassis body (3) are arranged in an integrated structure, the chair seat (1), the chassis body (3) and the backrest (7) are movably connected through the front support arm (9), the back support (12), the first rotation point (8), the second rotation point (10), the fourth rotation point (13) and the third rotation point (11), that is, when the backrest (7) leans backward, the chair seat (1) moves on the chassis body (3) without being raised.