Three-dimensional adjustable seat

By setting an adjustment structure of arc grooves and positioning holes on the seat back, three-dimensional adjustment of the soft cover can be achieved, which solves the problem of users of different body shapes not being able to comfortably support their arms and improves the user experience of the seat.

CN223298747UActive Publication Date: 2025-09-05BEIJING INFORMATION TECH COLLEGE
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Patent Information

Application Number
CN202422546827.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-05
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The armrests of existing seats are fixed in position, which makes it difficult for people of different body shapes to rest their arms comfortably on the armrests when riding, affecting the user experience.

Method used

A three-dimensionally adjustable chair is designed. By setting arc grooves and positioning holes on the left and right side walls of the backrest and combining an adjustment structure including a movable frame, an arc rod, a positioning pin and a support frame, three-dimensional adjustment of the soft cover is achieved, allowing the arms to be comfortably supported at different positions and heights.

Benefits of technology

It provides comfortable support for the arms of users of different body shapes and improves the user experience of the chair.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of seats, in particular to a three-dimensional adjustable seat which comprises a base, a seat plate is mounted on the top surface of the base, and a backrest is mounted on the top surface of the seat plate; arc grooves are formed in the left side wall and the right side wall of the backrest, and positioning holes are formed in the inner walls of the arc grooves; an adjusting structure is installed on the seat plate, the adjusting structure comprises fixing blocks, the fixing blocks are fixedly installed on the left side wall and the right side wall of the seat plate, and a movable frame is movably installed on the fixing blocks through rotating shafts. By arranging the rotatable movable frame, the distance between the two sets of soft sleeves can be adjusted, the soft sleeves can telescopically move on the movable frame through the movable rods, the position heights of the soft sleeves can be adjusted, meanwhile, the sliding sleeves can horizontally telescopically move on the supporting frame, and the positions of the soft sleeves can be adjusted in a three-dimensional mode, so that when people of different body types sit on the seat, the height of the sliding sleeves can be adjusted. And the arm can be comfortably put on the soft sleeve, so that the use experience of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a three-dimensionally adjustable seat. Background Art

[0002] A chair is a piece of furniture with a backrest and sometimes armrests.

[0003] In this regard, China's patent application number: CN202020728998.8 discloses that the utility model discloses a three-dimensionally adjustable live broadcast chair including a base, a middle plate, an upper plate, a left-right moving unit, a front-back moving unit and a seat lifting unit, the upper surface of the base is fixedly connected to a slide, and the slide has two pieces, the left side of the upper surface of the base is fixedly connected to a first fixed plate, the middle part of the upper surface of the base is fixedly connected to a fixed block, and the fixed blocks have two pieces, the upper surface of the base is equipped with a left-right moving unit, the left-right moving unit on the base can control the limit block on the middle plate to move, and the slide can cooperate with the slide rod to make the seat move back and forth easily, the lower surface of the middle plate is slidably connected to the upper end of the slide, the lower surface of the middle plate is fixedly connected to the slide rod, and the slide rod is slidably connected to the slide; the three-dimensionally adjustable live broadcast chair can be conveniently and automatically adjusted in front and back, left and right, and height when in use.

[0004] This chair can support the arms of the user sitting on the seat plate on both sides by providing armrests. However, in actual use, due to the fixed position of the armrests, people of different body shapes cannot comfortably put their arms on the armrests when sitting, which affects the actual use experience of the chair.

[0005] Therefore, in order to solve the above problems, a three-dimensionally adjustable seat is proposed. Utility Model Content

[0006] The purpose of the present utility model is to provide a three-dimensionally adjustable seat to solve the problem that the seats in the prior art mentioned in the above background technology can support the arms of the user sitting on the seat plate on both sides by providing armrests, but in actual use, due to the fixed position of the armrests, people of different body shapes cannot comfortably put their arms on the armrests when sitting, which affects the actual use experience of the seat.

[0007] To achieve the above object, the present invention provides the following technical solution: a three-dimensionally adjustable chair, comprising: a base, a seat plate mounted on the top surface of the base, and a backrest mounted on the top surface of the seat plate;

[0008] Arc grooves are provided on the left and right side walls of the backrest, and positioning holes are provided on the inner walls of the arc grooves;

[0009] The cam is fixedly mounted on the left and right sides of the base, and the cam is fixedly mounted on the left and right sides of the base, and the cam is movably mounted on the cam via a rotating shaft. The inner side of the cam is fixedly connected to the connecting rod, and the surface of the cam is fixedly welded with an arc rod, the inner side of the end of the arc rod is fixedly connected with a spring, and the end of the spring is fixedly connected with a positioning pin. A movable rod is inserted into the top surface of the movable rod, and a limiting hole is provided on the surface of the movable rod. The top end of the movable rod is fixedly connected to the support frame, and the upper end surface of the movable frame is threadedly connected to the limiting bolt. The outer side of the support frame is provided with a sliding sleeve, and the bottom surface of the sliding sleeve is provided with a sliding groove, and a soft sleeve is bonded to the outer wall of the sliding sleeve.

[0010] Preferably, two groups of the adjustment structures are provided, and the two groups of the adjustment structures are respectively located on the left and right sides of the seat plate.

[0011] Preferably, the arc rod is slidably mounted on the inner side of the arc groove, and the arc rod is adapted to the arc groove.

[0012] Preferably, the end of the positioning pin is exposed from the surface of the arc rod and is inserted into the positioning hole.

[0013] Preferably, the support frame is located on the upper side of the movable frame, and the limiting bolt passes through the movable rod via the limiting hole.

[0014] Preferably, there is damping between the sliding sleeve and the support frame, and the sliding sleeve is slidably installed on the outside of the support frame through a sliding groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can adjust the distance between the two sets of soft covers by setting a rotatable movable frame, and the soft covers can be telescopically movable on the movable frame through a movable rod, and the position height of the soft covers can be adjusted. At the same time, the sliding sleeve can be telescopically movable on the support frame, and the position of the soft cover can be adjusted in three dimensions, so that people of different body shapes can comfortably put their arms on the soft covers when riding, thereby improving the user experience of the device.

[0016] The utility model is provided with an adjustment structure. When the soft sleeve is pulled forward and backward, the soft sleeve drives the sliding sleeve to move forward and backward on the outside of the support frame. The support frame can slide in the slide groove, which can make the movement of the sliding sleeve on the support frame stable, and the front and rear position of the soft sleeve can be conveniently adjusted.

[0017] By rotating the limit bolt, the limit bolt can be unscrewed from the limit hole, which can release the limit of the movable rod on the inner side of the movable frame. The movable rod can be pulled up and down to adjust the position height of the movable rod in the movable frame so that the three sets of limit holes can be aligned with the limit bolt, and the position height of the support frame can be adjusted. By screwing the limit bolt into the three sets of limit holes at different positions and heights, the support frame can be fixed at different heights, thereby realizing convenient adjustment of the position height of the soft cover;

[0018] The positioning pin is pressed to move the positioning pin out of the positioning hole and retract into the inner side of the arc rod, thereby releasing the fixation of the arc rod in the arc groove. The positioning pin can squeeze the spring and then pull the movable frame to rotate the movable frame on the fixed block and drive the arc rod to slide in the arc groove. The position of the arc rod on the inner side of the arc groove can be adjusted so that the four groups of positioning holes can all be aligned with the positioning pin. The positioning pin can extend from the arc rod under the elastic action of the spring and be stuck in the positioning hole, thereby fixing the position of the arc rod in the arc groove. By adjusting the position of the positioning pin in the four groups of positioning holes, the inclination angle of the movable frame can be adjusted, thereby changing the position distance between the two groups of soft sleeves, thereby realizing convenient adjustment of the left and right positions of the soft sleeves.

[0019] This allows users of different body shapes to comfortably place their arms on the top surface of the soft cover when sitting on the seat, ensuring a comfortable user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic front view of the structure of the present utility model;

[0021] Figure 2 This is a schematic back view of the structure of the backrest of the utility model;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the movable frame of the utility model;

[0023] Figure 4 This is a schematic front cross-sectional view of the structure of the chute of the present invention.

[0024] In the figure: 1. Base; 11. Seat plate; 12. Backrest; 13. Arc groove; 14. Positioning hole; 2. Adjustment structure; 21. Fixed block; 22. Movable frame; 23. Connecting rod; 24. Arc rod; 25. Spring; 26. Positioning pin; 27. Movable rod; 28. Limiting hole; 29. ​​Support frame; 210. Limiting bolt; 211. Sleeve; 212. Slide groove; 213. Soft sleeve. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 4 , an embodiment provided by the utility model:

[0027] The base 1, seat plate 11 and backrest 12 used in this application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described here in detail.

[0028] A three-dimensionally adjustable chair comprises: a base 1, a seat plate 11 being mounted on the top surface of the base 1, and a backrest 12 being mounted on the top surface of the seat plate 11;

[0029] Arc grooves 13 are formed on the left and right side walls of the backrest 12, and positioning holes 14 are formed on the inner wall of the arc grooves 13;

[0030] An adjustment structure 2 is installed on the seat plate 11, and the adjustment structure 2 includes a fixed block 21, which is fixedly installed on the left and right side walls of the seat plate 11. A movable frame 22 is movably installed on the fixed block 21 through a rotating shaft. The inner side of the movable frame 22 is fixedly connected to a connecting rod 23. The surface of the movable frame 22 is fixedly welded with an arc rod 24. The inner side of the end of the arc rod 24 is fixedly connected to a spring 25. The end of the spring 25 is fixedly connected to a positioning pin 26. A movable rod 27 is inserted into the top surface of the movable frame 22. A limiting hole 28 is provided on the surface of the movable rod 27. The top of the movable rod 27 is fixedly connected to a support frame 29. The upper end surface of the movable frame 22 A threaded connection limit bolt 210 is provided, and a sliding sleeve 211 is provided on the outer side of the support frame 29. A sliding groove 212 is provided on the bottom surface of the sliding sleeve 211. A soft sleeve 213 is bonded to the outer wall of the sliding sleeve 211. The movable frame 22 is rotatable, and the distance between the two groups of soft sleeves 213 can be adjusted. The soft sleeve 213 can be telescopically moved on the movable frame 22 through the movable rod 27, and the position height of the soft sleeve 213 can be adjusted. At the same time, the sliding sleeve 211 can be horizontally telescopically moved on the support frame 29, and the position of the soft sleeve 213 can be adjusted in three dimensions, so that people of different body shapes can comfortably put their arms on the soft sleeve 213 when riding, thereby improving the user experience of the device.

[0031] Furthermore, two groups of adjustment structures 2 are provided, and the two groups of adjustment structures 2 are respectively located on the left and right sides of the seat plate 11. The two groups of adjustment structures 2 can support the arms of the user sitting on the seat plate 11 on both sides.

[0032] Furthermore, the arc rod 24 is slidably mounted on the inner side of the arc groove 13 . The arc rod 24 is adapted to the arc groove 13 . When the movable frame 22 rotates on the fixed block 21 , the arc rod 24 can move in the arc groove 13 .

[0033] Furthermore, the end of the positioning pin 26 is exposed from the surface of the arc rod 24 and is inserted into the positioning hole 14. The positioning pin 26 cooperates with the positioning hole 14 to limit the position of the arc rod 24 in the arc groove 13, so as to fix the inclination angle of the movable frame 22 and realize the left and right adjustment of the position of the soft cover 213.

[0034] Furthermore, the support frame 29 is located on the upper side of the movable frame 22, and the limiting bolt 210 passes through the movable rod 27 through the limiting hole 28. The limiting bolt 210 can fix the position of the movable rod 27 in the movable frame 22 to fix the soft cover 213 after adjusting the upper and lower positions.

[0035] Furthermore, there is damping between the sliding sleeve 211 and the support frame 29. The sliding sleeve 211 is slidably installed on the outside of the support frame 29 through the sliding groove 212. By pulling the soft sleeve 213, the sliding sleeve 211 can slide on the support frame 29 to adjust the front and rear position of the soft sleeve 213.

[0036] Working principle: When in use, the soft cover 213 can be pulled forward and backward, and the soft cover 213 drives the sliding cover 211 to move forward and backward outside the support frame 29. The support frame 29 can slide in the sliding groove 212, which can make the sliding cover 211 move stably on the support frame 29, so that the front and rear position of the soft cover 213 can be easily adjusted;

[0037] By rotating the limiting bolt 210, the limiting bolt 210 can be screwed out from the limiting hole 28, thereby releasing the limit of the movable rod 27 on the inner side of the movable frame 22. The movable rod 27 can be pulled up and down to adjust the position height of the movable rod 27 in the movable frame 22, so that the three groups of limiting holes 28 can all be aligned with the limiting bolt 210, and the position height of the support frame 29 can be adjusted. By screwing the limiting bolt 210 into the three groups of limiting holes 28 at different positions and heights, the support frame 29 can be fixed at different heights, thereby realizing convenient adjustment of the position height of the soft cover 213.

[0038] The positioning pin 26 is pressed to move the positioning pin 26 out of the positioning hole 14 and retract the inner side of the arc rod 24, thereby releasing the fixation of the arc rod 24 in the arc groove 13. The positioning pin 26 can squeeze the spring 25, and then pull the movable frame 22, so that the movable frame 22 rotates on the fixed block 21, and drives the arc rod 24 to slide in the arc groove 13, and the position of the arc rod 24 inside the arc groove 13 can be adjusted so that the four groups of positioning holes 14 can all be aligned with the positioning pin 26. The positioning pin 26 can extend from the arc rod 24 under the elastic action of the spring 25 and be stuck in the positioning hole 14, so as to fix the position of the arc rod 24 in the arc groove 13. By adjusting the position of the positioning pin 26 in the four groups of positioning holes 14, the inclination angle of the movable frame 22 can be adjusted, thereby changing the position distance between the two groups of soft sleeves 213, and realizing convenient adjustment of the left and right positions of the soft sleeves 213.

[0039] The position of the soft cover 213 can be adjusted in three dimensions so that users of different body shapes can comfortably place their arms on the top surface of the soft cover 213 when sitting on the seat 11, thereby ensuring a comfortable user experience of the device.

[0040] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A three-dimensionally adjustable seat, comprising: A base (1), a seat plate (11) being mounted on the top surface of the base (1), and a backrest (12) being mounted on the top surface of the seat plate (11); Its characteristics are: The left and right side walls of the backrest (12) are provided with arc grooves (13), and the inner wall of the arc groove (13) is provided with positioning holes (14); The seat plate (11) is provided with an adjustment structure (2), the adjustment structure (2) comprising a fixed block (21), the fixed block (21) being fixedly mounted on the left and right side walls of the seat plate (11), a movable frame (22) being movably mounted on the fixed block (21) via a rotating shaft, the inner side of the movable frame (22) being fixedly connected to a connecting rod (23), an arc rod (24) being fixedly welded to the surface of the movable frame (22), the inner side of the end of the arc rod (24) being fixedly connected to a spring (25), the end of the spring (25) being fixedly connected to the inner side of the arc rod (24), and the inner side of the end of the spring (25) being fixedly connected to the inner side of the arc rod (24). A positioning pin (26) is connected, a movable rod (27) is inserted into the top surface of the movable frame (22), a limiting hole (28) is provided on the surface of the movable rod (27), the top end of the movable rod (27) is fixedly connected to a support frame (29), the upper end surface of the movable frame (22) is threadedly connected to a limiting bolt (210), a sliding sleeve (211) is provided on the outer side of the support frame (29), a sliding groove (212) is provided on the bottom surface of the sliding sleeve (211), and a soft sleeve (213) is bonded to the outer wall of the sliding sleeve (211).

2. The three-dimensionally adjustable seat according to claim 1, characterized in that: The adjustment structure (2) is provided in two groups, and the two groups of the adjustment structure (2) are respectively located on the left and right sides of the seat plate (11).

3. The three-dimensionally adjustable seat according to claim 1, characterized in that: The arc rod (24) is slidably mounted on the inner side of the arc groove (13), and the arc rod (24) is adapted to the arc groove (13).

4. The three-dimensionally adjustable seat according to claim 1, characterized in that: The end of the positioning pin (26) is exposed from the surface of the arc rod (24) and is inserted into the positioning hole (14).

5. The three-dimensionally adjustable seat according to claim 1, characterized in that: The support frame (29) is located on the upper side of the movable frame (22), and the limiting bolt (210) passes through the movable rod (27) via the limiting hole (28).

6. The three-dimensionally adjustable seat according to claim 1, characterized in that: There is damping between the sliding sleeve (211) and the support frame (29), and the sliding sleeve (211) is slidably mounted on the outside of the support frame (29) through the sliding groove (212).

Citation Information

Patent Citations

  • Three-dimensional adjustment seat for live broadcast

    CN212754902U