CN218074203U

CN218074203U - Back chair with 3D-adjustable lumbar pillow and self-loading lumbar pillow

Info

Publication number: CN218074203U
Application number: CN202222169205.5U
Authority: CN
Inventors: 肖力力
Original assignee: Chongqing Wasia Furniture Co ltd
Current assignee: Chongqing Wasia Furniture Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-20
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a back chair that waist pillow 3D is adjustable and waist pillow area is from heavy burden, including the seat base, one side fixedly connected with seat frame of seat base, two handrail framves of one side fixedly connected with of seat frame, the seat frame has the one-level to lean on the mechanism at one side sliding connection who is close to the seat base, the third waist pillow is installed to the bottom that the one-level leaned on the mechanism, the waist pillow apron is installed in one side that is close to the seat frame to third waist pillow, annular compression ring is installed in one side of keeping away from third waist pillow to waist pillow apron, fixed adjustment mechanism is installed in one side of keeping away from third waist pillow to annular compression ring, the headrest subassembly is installed at the top of seat frame, install the fixed bolster on the seat frame. The utility model discloses a fixed adjustment mechanism of design has accomplished the position control to first waist pillow, second waist pillow and third waist pillow, and the user can adjust suitable leaning against when using, has strengthened the comfort level of use.

Description

Back chair with 3D-adjustable lumbar pillow and self-loading lumbar pillow

Technical Field

The utility model relates to a back chair technical field especially relates to a back chair that waist pillow 3D is adjustable and waist pillow area is from heavy burden.

Background

The back-rest chair can be seen everywhere in our life, and the part of the chair body, which is attached to the back, forms an arc shape, so that people feel comfortable when sitting, and the injury to lumbar vertebra caused by long-time sitting can be reduced.

The back rest chair is characterized in that the back rest is fixed, so that a proper back rest can not be adjusted according to the back of the back rest chair when the back rest chair is used, more crowds can not be met by the back rest chair, a sitting posture can only be maintained when the back rest chair is used, the back rest chair cannot be used after the sitting posture is replaced, and the back rest chair is single in function.

Therefore, it is desirable to provide a back rest chair with a 3D adjustable lumbar pillow and a self-loading lumbar pillow to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current back-to-back chair is because its back is fixed, can't adjust suitable leaning on according to self back when using, and then makes and lean on the chair can not satisfy more crowd, can only maintain a position of sitting when using to lean on simultaneously, can't use after changing the position of sitting and lean on, and then lead to current back-to-back chair function singleness.

In order to solve the technical problem, the utility model discloses a technical scheme be: the backrest chair with the adjustable waist pillow D and the self-loading waist pillow comprises a seat base, wherein one side of the seat base is fixedly connected with a seat frame, and one side of the seat frame is fixedly connected with two armrest frames;

the seat frame is connected with a primary backrest mechanism in a sliding mode at one side close to the seat base, a third waist pillow is installed at the bottom of the primary backrest mechanism, a waist pillow cover plate is installed at one side close to the seat frame of the third waist pillow, and an annular compression ring is installed at one side, far away from the third waist pillow, of the waist pillow cover plate;

annular compression circle installs fixed adjustment mechanism in the one side of keeping away from third waist pillow, the headrest subassembly is installed at the top of seat frame, install the fixed bolster on the seat frame.

The utility model discloses further set up to: the one-level mechanism of leaning on includes first waist pillow, the first connecting plate of top fixedly connected with of first waist pillow, the top of first connecting plate is rotated and is connected with the slip pivot, the bottom fixedly connected with second connecting plate of first waist pillow, the bottom fixedly connected with second waist pillow of second connecting plate, the bottom fixedly connected with third connecting plate of second waist pillow.

Through above-mentioned technical scheme, when first waist pillow and second waist pillow atress, can promote first connecting plate and then promote the slip pivot and slide on the fixed bolster, can carry out the self-adaptation fine setting through annular compression circle after third waist pillow atress simultaneously, and then play and adjust first waist pillow, second waist pillow and the suitable position of third waist pillow according to user's back lines and position of sitting.

The utility model discloses further set up to: the top of the first connecting plate is fixedly connected with a fixing sleeve corresponding to the sliding rotating shaft.

Through above-mentioned technical scheme, guaranteed that when first waist pillow and second waist pillow atress, first connecting plate promotes the slip pivot and slides to along with rotating on the slip pivot.

The utility model discloses further set up to: one side of the top of the fixed support is provided with a groove corresponding to the sliding rotating shaft.

Through above-mentioned technical scheme, the recess can be to leaning against the mechanism through the pivot of sliding and then carrying on spacingly to whole one-level, has avoided the one-level to lean against the mechanism and can be on the fixed bolster landing.

The utility model discloses further set up to: the fixed adjusting mechanism comprises a fixed block, the fixed block is clamped with a limiting block at one side far away from the annular compression ring, a threaded column is installed on the inner wall of the limiting block, and a screwing block is fixedly connected to one side far away from the annular compression ring through the threaded column.

Through above-mentioned technical scheme, when needs are rested on first waist pillow, second waist pillow and third waist pillow position and are adjusted, twist and twist the piece and drive the screw thread post and rotate, and then make whole fixed adjustment mechanism remove with the fixed bolster fixed, promote third waist pillow and make the fixed block slide on the fixed bolster, adjust to suitable position after, reverse twist and twist the piece and then extrude fixed block and stopper and fix with the fixed bolster.

The utility model further sets up to: one side of the annular compression ring is fixedly connected with a threaded hole column corresponding to the threaded column.

Through above-mentioned technical scheme, guaranteed the fixed of screw hole post and screw thread post.

The utility model discloses further set up to: the bottom of the fixed support is provided with a through hole corresponding to the limiting block.

Through the technical scheme, the through hole plays a limiting role in sliding of the fixed block and the limiting block.

The beneficial effects of the utility model are as follows:

1. the utility model completes the position adjustment of the first waist pillow, the second waist pillow and the third waist pillow by designing the fixed adjusting mechanism, so that a user can adjust a proper backrest when using the waist pillow, thereby enhancing the comfort level of use;

2. the utility model designs the sliding primary backrest mechanism, so that the sliding rotating shaft can slide on the fixed support after the first waist pillow and the second waist pillow are stressed, and the first waist pillow and the second waist pillow can finish self-adaptive adjustment according to the extrusion of the back;

3. the utility model discloses a design annular compression circle, make third waist pillow behind the atress, can extrude annular compression circle, and then make annular compression circle can adjust the position that third waist was rested head on according to the atress light and fast, and then make the third waist rest head on the back of the waist of can more laminating.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a third view angle structure diagram of the seat frame of the present invention;

FIG. 3 is a third view angle structure diagram of the first-level backrest mechanism of the present invention;

fig. 4 is a first view angle structure diagram of the first-level backrest mechanism of the present invention;

fig. 5 is a sectional view of the fixing and adjusting mechanism of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 5.

In the figure: 1. a seat base; 2. a seat frame; 3. a handrail frame; 4. a primary backrest mechanism; 401. a first waist pillow; 402. a first connecting plate; 403. a sliding shaft; 404. a second connecting plate; 405. a second waist pillow; 406. a third connecting plate; 5. a third waist pillow; 6. an annular compression ring; 7. fixing the adjusting mechanism; 701. a fixed block; 702. a limiting block; 703. a threaded post; 704. twisting the block; 8. a waist pillow cover plate; 9. a headrest assembly; 10. and (7) fixing the bracket.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, a back rest chair with an adjustable 3D lumbar pillow and a self-loading lumbar pillow belt comprises a seat base 1, wherein one side of the seat base 1 is fixedly connected with a seat frame 2, and one side of the seat frame 2 is fixedly connected with two armrest frames 3;

as shown in fig. 1-4, a first-level backrest mechanism 4 is slidably connected to one side of the seat frame 2 close to the seat base 1, the first-level backrest mechanism 4 includes a first lumbar pillow 401, a first connecting plate 402 is fixedly connected to the top of the first lumbar pillow 401, a sliding rotating shaft 403 is rotatably connected to the top of the first connecting plate 402, a second connecting plate 404 is fixedly connected to the bottom of the first lumbar pillow 401, a second lumbar pillow 405 is fixedly connected to the bottom of the second connecting plate 404, a third connecting plate 406 is fixedly connected to the bottom of the second lumbar pillow 405, when the first lumbar pillow 401 and the second lumbar pillow 405 are stressed, the first connecting plate 402 is pushed to push the sliding rotating shaft 403 to slide on the fixed bracket 10, and when the third lumbar pillow 5 is stressed, self-adaptive fine adjustment is performed through an annular compression ring 6, so as to adjust suitable positions of the first lumbar pillow 401, the second lumbar pillow 405 and the third lumbar pillow 5 according to the line of the back of a user, when the back and the back of the user are stressed, the first lumbar pillow 401, the second lumbar pillow 405 and the third lumbar pillow 5 are adjusted, a fixing shaft 403 corresponding to the sliding rotating shaft 403 is installed on one side of the first-level backrest mechanism 4, and the sliding mechanism 4 is prevented from sliding mechanism from sliding rotating along with the sliding rotating shaft 403 when the first-level backrest mechanism 4, the sliding rotating shaft 403, the first-level backrest mechanism 4 is installed on the side of the first-level backrest mechanism 4, the first lumbar pillow 4 side of the first lumbar pillow 4, the first lumbar pillow 5, the first lumbar pillow cover plate, the first-level backrest mechanism 4 is installed on the seat frame, the first lumbar pillow cover plate, and the seat frame 401;

as shown in fig. 1 to 6, a fixed adjusting mechanism 7 is installed on one side of the annular compression ring 6 far from the third lumbar pillow 5, the fixed adjusting mechanism 7 includes a fixed block 701, the fixed block 701 is engaged with a limit block 702 on one side far from the annular compression ring 6, a threaded column 703 is installed on the inner wall of the limit block 702, the threaded column 703 is fixedly connected with a screwed block 704 on one side far from the annular compression ring 6, when the positions of the first lumbar pillow 401, the second lumbar pillow 405 and the third lumbar pillow 5 need to be adjusted, the screwed block 704 is screwed to drive the threaded column 703 to rotate, so that the whole fixed adjusting mechanism 7 is released from being fixed with the fixed bracket 10, the third lumbar pillow 5 is pushed to make the fixed block 701 slide on the fixed bracket 10, after the positions are adjusted to be proper, the screwed block 704 is reversely screwed to press the fixed block 701 and the limit block 702 and fix the fixed bracket 10, a threaded hole column corresponding to the threaded column 703 is fixedly connected to one side of the annular compression ring 6, so that the threaded hole column and the limit block 702 are installed on the seat frame 2, and a seat frame 703 is installed on the seat frame 10.

The utility model discloses when using, behind first waist pillow 401 and the atress of second waist pillow 405, can promote first connecting plate 402 and then promote slip pivot 403 and slide on fixed bolster 10, can carry out the self-adaptation fine setting through annular compression circle 6 after the atress of third waist pillow 5 simultaneously, and then play and adjust first waist pillow 401 according to user back lines and position of sitting, second waist pillow 405 and the suitable position of third waist pillow 5, need to first waist pillow 401, when second waist pillow 405 and the adjustment of third waist pillow 5 position, twist and twist piece 704 and drive screw thread post 703 and rotate, and then make whole fixed adjustment mechanism 7 remove with fixed bolster 10 fixed, it makes fixed block 701 slide on fixed bolster 10 to promote third waist pillow 5, adjust to suitable position after, reverse twist and twist piece 704 and then extrude fixed block 701 and stopper 702 and fix with fixed bolster 10.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a back chair that waist pillow 3D is adjustable and waist pillow area is from bearing a burden, includes seat base (1), its characterized in that: one side of the seat base (1) is fixedly connected with a seat frame (2), and one side of the seat frame (2) is fixedly connected with two armrest frames (3);

a primary backrest mechanism (4) is connected to one side, close to the seat base (1), of the seat frame (2) in a sliding mode, a third waist pillow (5) is installed at the bottom of the primary backrest mechanism (4), a waist pillow cover plate (8) is installed on one side, close to the seat frame (2), of the third waist pillow (5), and an annular compression ring (6) is installed on one side, far away from the third waist pillow (5), of the waist pillow cover plate (8);

annular compression circle (6) are installed fixed adjustment mechanism (7) in the one side of keeping away from third waist pillow (5), headrest subassembly (9) are installed at the top of seat frame (2), install fixed bolster (10) on seat frame (2).

2. The back rest chair with the adjustable 3D lumbar pillow and the self-loading lumbar pillow as claimed in claim 1, wherein: one-level backrest mechanism (4) includes first waist pillow (401), the first connecting plate of top fixedly connected with (402) of first waist pillow (401), the top of first connecting plate (402) is rotated and is connected with slip pivot (403), the bottom fixedly connected with second connecting plate (404) of first waist pillow (401), the bottom fixedly connected with second waist pillow (405) of second connecting plate (404), the bottom fixedly connected with third connecting plate (406) of second waist pillow (405).

3. The back rest chair with the waist pillow 3D adjustable and the waist pillow with self-loading according to claim 2, characterized in that: the top of the first connecting plate (402) is fixedly connected with a fixing sleeve corresponding to the sliding rotating shaft (403).

4. The back rest chair with the waist pillow 3D adjustable and the waist pillow with self-loading according to claim 2, characterized in that: one side of the top of the fixed support (10) is provided with a groove corresponding to the sliding rotating shaft (403).

5. The back rest chair with the adjustable 3D lumbar pillow and the self-loading lumbar pillow as claimed in claim 1, wherein: fixed adjustment mechanism (7) include fixed block (701), fixed block (701) are keeping away from one side block stopper (702) of annular compression circle (6), screw thread post (703) are installed to the inner wall of stopper (702), screw thread post (703) are keeping away from one side fixedly connected with of annular compression circle (6) and twist piece (704).

6. The back rest chair with the waist pillow 3D adjustable and the waist pillow with self-loading according to claim 5, characterized in that: one side of the annular compression ring (6) is fixedly connected with a threaded hole column corresponding to the threaded column (703).

7. The back rest chair with the waist pillow 3D adjustable and the waist pillow with self-loading according to claim 5, characterized in that: the bottom of the fixed support (10) is provided with a through hole corresponding to the limiting block (702).