CN212938943U - Waist top support structure of chair - Google Patents
Waist top support structure of chair Download PDFInfo
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- CN212938943U CN212938943U CN202021482083.XU CN202021482083U CN212938943U CN 212938943 U CN212938943 U CN 212938943U CN 202021482083 U CN202021482083 U CN 202021482083U CN 212938943 U CN212938943 U CN 212938943U
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Abstract
The utility model belongs to the chair field, especially, waist shore structure of chair to current chair single structure, is not convenient for carry out the laminating shore to different users' waist, the relatively poor problem of commonality, the scheme as follows now is proposed, and it includes the seat, installs the backup plate on the seat, the mounting hole has been seted up to one side of backup plate, and fixed mounting has the support elastic plate in the mounting hole, and one side fixed mounting of backup plate has the control seat, and the control flume has been seted up to one side of control seat, and slidable mounting has the movable plate in the control flume, one side fixed mounting of movable plate has two connecting rods, and the one end fixed mounting of two connecting rods has same segmental plate, and one side of segmental plate contacts with the support elastic plate, threaded hole has been seted up to one side of. The utility model discloses rational in infrastructure, convenient operation, the shore structure of this chair is convenient for adjust, can laminate the shore to different users' waist, and the commonality is better.
Description
Technical Field
The utility model relates to a chair technical field especially relates to a waist shore structure of chair.
Background
The chair is furniture with wide application in daily life and work, generally comprises a base, a backrest, a supporting structure, armrests and other parts, and meanwhile, in order to meet more requirements of people and bring more comfortable experience, the structure and the function of the chair are continuously improved, but usually, the waist of an office is uncomfortable due to frequent sitting, and the chair back is usually designed into an arc shape so as to be used for assisting waist support;
however, the existing chair has a single structure, is inconvenient for fitting and supporting the waist of different users, and has poor universality.
Disclosure of Invention
The utility model aims at solving the problems that the chair has a single structure, is not convenient for laminating and props the waist of different users, has the relatively poor universality and provides a waist propping structure of the chair.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waist supporting structure of a chair comprises a chair, wherein a backup plate is arranged on the chair, a mounting hole is formed in one side of the backup plate, a supporting elastic plate is fixedly arranged in the mounting hole, a control seat is fixedly arranged on one side of the backup plate, a control groove is formed in one side of the control seat, a moving plate is slidably arranged in the control groove, two connecting rods are fixedly arranged on one side of the moving plate, one end of each connecting rod is fixedly provided with a cambered plate, one side of the cambered plate is in contact with the supporting elastic plate, a threaded hole is formed in one side of the moving plate, a lead screw is rotatably arranged on the inner wall of one side of the control groove, a screw thread is arranged in the threaded hole, a first gear is fixedly sleeved on the lead screw, a rotating rod is rotatably arranged on the inner wall of one side of the control groove, one end of the rotating rod extends, the other end fixed mounting of dwang has the regulating wheel, and the regulating wheel rotates and installs the one side at the control cabinet.
Preferably, two square holes are formed in one side of the moving plate, two square rods are fixedly mounted on the inner wall of one side of the control groove, the square rods are slidably mounted in the corresponding square holes, and the square rods passively slide in the square holes when the moving plate moves, so that the moving position of the moving plate can be stabilized.
Preferably, a rotating groove is formed in the inner wall of one side of the control groove, and one end of the screw rod is rotatably installed in the rotating groove.
Preferably, an annular groove is formed in one side of the control seat, an installation block is fixedly installed on one side of the adjusting wheel, the installation block is connected with the side wall of the annular groove in a sliding mode, the adjusting wheel can drive the installation block to move in the annular groove when rotating, and the position of the adjusting wheel when rotating can be stabilized.
Preferably, a rotating hole is formed in the inner wall of one side of the control groove, and the rotating rod is rotatably installed in the rotating hole.
Preferably, the supporting elastic plate is a PVC plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the scheme, the adjusting wheel is rotated, the rotating rod drives the second gear to rotate, the first gear drives the screw rod to rotate, the movable plate moves in the control groove, so that the movable plate drives the two connecting rods to move, the arched plate drives the extrusion supporting elastic plate, the supporting elastic plate deforms, and the radian of the supporting elastic plate can be adjusted, so that the adjustable elastic plate is suitable for different people;
the utility model discloses rational in infrastructure, convenient operation, the shore structure of this chair is convenient for adjust, can laminate the shore to different users' waist, and the commonality is better.
Drawings
Fig. 1 is a schematic view of a front view structure provided by the present invention;
fig. 2 is a schematic structural view of the backup plate, the supporting elastic plate, the control seat and the arched plate according to the present invention;
fig. 3 is a schematic view of a part a of the structure of the present invention.
In the figure: 1. a seat; 2. a backup plate; 3. mounting holes; 4. a supporting elastic plate; 5. a control seat; 6. a control slot; 7. moving the plate; 8. a connecting rod; 9. an arcuate plate; 10. a screw rod; 11. a first gear; 12. a second gear; 13. an adjustment wheel; 14. and (7) installing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1-3, a lumbar support structure of a chair comprises a chair 1, a backrest plate 2 is mounted on the chair 1, a mounting hole 3 is formed in one side of the backrest plate 2, a support elastic plate 4 is fixedly mounted in the mounting hole 3, a control seat 5 is fixedly mounted on one side of the backrest plate 2, a control groove 6 is formed in one side of the control seat 5, a moving plate 7 is slidably mounted in the control groove 6, two connecting rods 8 are fixedly mounted on one side of the moving plate 7, one end of each connecting rod 8 is fixedly mounted with a same bow-shaped plate 9, one side of the bow-shaped plate 9 is in contact with the support elastic plate 4, a threaded hole is formed in one side of the moving plate 7, a lead screw 10 is rotatably mounted on the inner wall of one side of the control groove 6, the lead screw 10 is threadedly mounted in the threaded hole, a first gear 11 is fixedly sleeved on the lead screw 10, a rotating rod is rotatably mounted on the, the second gear 12 is meshed with the first gear 11, the other end of the rotating rod is fixedly provided with an adjusting wheel 13, and the adjusting wheel 13 is rotatably arranged on one side of the control seat 5.
In this embodiment, two square holes have been seted up to one side of movable plate 7, and fixed mounting has two square poles on one side inner wall of control groove 6, and square pole slidable mounting is in the square hole that corresponds, and movable plate 7 is when removing square pole passively slides in the square hole, can stabilize the position that movable plate 7 removed.
In this embodiment, a rotating groove is formed on an inner wall of one side of the control groove 6, and one end of the screw rod 10 is rotatably installed in the rotating groove.
In this embodiment, an annular groove is opened at one side of control seat 5, and one side fixed mounting of regulating wheel 13 has installation piece 14, and installation piece 14 and the lateral wall sliding connection of annular groove can drive installation piece 14 and remove in the annular groove when regulating wheel 13 rotates, can stabilize the position when regulating wheel 13 rotates.
In this embodiment, a rotating hole is formed in the inner wall of one side of the control groove 6, and the rotating rod is rotatably installed in the rotating hole.
In this embodiment, the supporting elastic plate 4 is a PVC plate.
In this embodiment, through rotating regulating wheel 13, regulating wheel 13 drives the dwang and rotates, the dwang drives second gear 12 and rotates, second gear 12 drives first gear 11 and rotates, first gear 11 drives lead screw 10 and rotates, lead screw 10 drives movable plate 7 and removes, movable plate 7 removes in control flume 6, make movable plate 7 drive two connecting rods 8 and remove, connecting rod 8 drives bow-shaped board 9 and removes, bow-shaped board 9 drives the extrusion and supports elastic plate 4, make and support elastic plate 4 and take place deformation, can adjust the radian that supports elastic plate 4, thereby be applicable to different crowds.
The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses rational in infrastructure, convenient operation, the shore structure of this chair is convenient for adjust, can laminate the shore to different users' waist, and the commonality is better.
Claims (6)
1. The utility model provides a waist shore structure of chair, includes seat (1), installs backup plate (2) on seat (1), its characterized in that, mounting hole (3) have been seted up to one side of backup plate (2), and fixed mounting has support elastic plate (4) in mounting hole (3), and one side fixed mounting of backup plate (2) has control seat (5), and control groove (6) have been seted up to one side of control seat (5), and slidable mounting has movable plate (7) in control groove (6), one side fixed mounting of movable plate (7) has two connecting rods (8), and the one end fixed mounting of two connecting rods (8) has same bow-shaped plate (9), and one side of bow-shaped plate (9) contacts with support elastic plate (4), the screw hole has been seted up to one side of movable plate (7), rotates on one side inner wall of control groove (6) and installs lead screw (10), and lead screw (10) threaded mounting is in the screw hole, fixed cover is equipped with first gear (11) on lead screw (10), rotate on one side inner wall of control groove (6) and install the dwang, the one end of dwang extends to in control groove (6) and fixed mounting has second gear (12), second gear (12) and first gear (11) meshing, and the other end fixed mounting of dwang has regulating wheel (13), and one side at control seat (5) is installed in regulating wheel (13) rotation.
2. The waist supporting structure of the chair as claimed in claim 1, wherein one side of the moving plate (7) is provided with two square holes, and the inner wall of one side of the control groove (6) is fixedly provided with two square rods which are slidably arranged in the corresponding square holes.
3. The waist supporting structure of a chair as claimed in claim 1, wherein a rotation groove is formed on one side inner wall of the control groove (6), and one end of the screw rod (10) is rotatably installed in the rotation groove.
4. The waist top supporting structure of the chair is characterized in that one side of the control seat (5) is provided with an annular groove, one side of the adjusting wheel (13) is fixedly provided with a mounting block (14), and the mounting block (14) is in sliding connection with the side wall of the annular groove.
5. The waist supporting structure of a chair as claimed in claim 1, wherein a rotation hole is formed on an inner wall of one side of the control groove (6), and the rotation rod is rotatably installed in the rotation hole.
6. The lumbar support structure of a chair as claimed in claim 1, wherein the supporting elastic plate (4) is a PVC plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482083.XU CN212938943U (en) | 2020-07-24 | 2020-07-24 | Waist top support structure of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482083.XU CN212938943U (en) | 2020-07-24 | 2020-07-24 | Waist top support structure of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212938943U true CN212938943U (en) | 2021-04-13 |
Family
ID=75395819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021482083.XU Active CN212938943U (en) | 2020-07-24 | 2020-07-24 | Waist top support structure of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212938943U (en) |
-
2020
- 2020-07-24 CN CN202021482083.XU patent/CN212938943U/en active Active
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