CN218008951U - Multifunctional adjustable waist support - Google Patents
Multifunctional adjustable waist support Download PDFInfo
- Publication number
- CN218008951U CN218008951U CN202220799412.6U CN202220799412U CN218008951U CN 218008951 U CN218008951 U CN 218008951U CN 202220799412 U CN202220799412 U CN 202220799412U CN 218008951 U CN218008951 U CN 218008951U
- Authority
- CN
- China
- Prior art keywords
- locking
- rotating
- control knob
- supporting seat
- adjusting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a multifunctional adjustable waist support, which comprises a waist support body and a back support body; the waist rest body is provided with a rotating part, and the back support body is correspondingly provided with a support seat; the rotary control piece is connected to the supporting seat; the rotary control piece comprises a control knob and a rotating shaft; the rotating shaft enables the supporting seat to be in rotating fit with the rotating part; the locking adjusting piece is sleeved on the rotating shaft in a sliding manner and is positioned between the control knob and the supporting seat; a lock hole is arranged on the rotating part, and a locking pin is correspondingly arranged on the locking adjusting part; a return elastic member configured to act on the locking adjustment member; the control knob is exposed out of the supporting seat and can be rotationally adjusted to extrude the locking adjusting piece to move; the locking adjuster has a locking position and an unlocking position; under the unlocking position, the locking pin exits the locking hole, and the waist rest body can rotate relative to the back support body; when the lock position is down, the control knob is rotated to extrude the locking adjusting piece to move towards the direction of the support seat, so that the locking pin is inserted into the locking hole.
Description
Technical Field
The utility model relates to a thing to sit on field, in particular to multi-functional regulation waist leans on.
Background
Sub-health is always a living problem concerned by people, wherein lumbar vertebra problems brought by people due to long-time sitting are particularly frequent, while a chair is used as daily furniture for people to work and study, under the condition of long-time sitting and working, the spine of a human body is naturally bent, particularly the bending at the lumbar vertebra is more important, the lumbar vertebra is easily bent outwards when the chair is in a sitting posture for a long time, and isosceles vertebra diseases of lumbar disc herniation are easily caused after long-time sitting. As is well known, the spine of a human body is S-shaped, and therefore, a waist rest is additionally arranged at the backrest of part of office chairs to play a role of supporting the waist, so that the natural bending part of the lumbar vertebra is supported, the outward bending of the lumbar vertebra due to fatigue is prevented, and the lumbar vertebra health of office staff is guaranteed.
In practical application, however, different people have different requirements on the waist support; for a long-sitting office worker, the waist support can be leaner forwards to fit the waist, so that the waist supporting effect is achieved; for a user who sits on the chair to relax and take a rest, the waist rest needs to be slightly loosened, and the obvious waist supporting function is not needed; the existing chair with the waist support capable of being adjusted in front-back depth can provide support for the waist of a user through front-back adjustment of the waist support so as to meet different use requirements. However, the waist rest is adjusted by adopting a worm gear and worm mode in the existing waist rest adjusting device on the market, so that the structure is complex, the operation is time-consuming and labor-consuming, the waist rest can be adjusted back and forth by rotating for multiple circles, and the operation is inconvenient; and the additional arrangement of such an adjusting mechanism on the lumbar support is too costly for production and processing, resulting in an increase in the cost of the entire chair.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a multifunctional adjustable waist support; the supporting seat is in running fit with the rotating part through the rotating shaft by arranging the rotating control piece; the rotating shaft is further provided with a locking adjusting piece, and the locking adjusting piece can move along the axial direction of the rotating shaft so that a locking pin of the locking adjusting piece can be inserted into or withdrawn from a locking hole in the rotating part to rotationally lock or unlock the lumbar support body; the control knob can be rotationally adjusted to extrude the locking adjusting piece to move; therefore, the rotation locking and unlocking functions of the waist rest body can be realized only by rotating the control knob, and the operation is very convenient.
The technical scheme of the utility model is realized like this:
a multi-function adjustable lumbar support comprising: a waist rest body and a back support body; a rotating part extending backwards is arranged on the waist rest body, and a supporting seat is correspondingly arranged on the back support body; the rotating part is connected to the supporting seat; the rotary control piece is connected to the supporting seat; the rotary control piece comprises a control knob and a rotating shaft; the rotating shaft penetrates through the supporting seat and the rotating part along the left-right direction so that the supporting seat is in rotating fit with the rotating part; the locking adjusting piece is sleeved on the rotating shaft in a sliding manner and is positioned between the control knob and the supporting seat; a lock hole is arranged on the rotating part, and a locking pin is correspondingly arranged on the locking adjusting part; the locking adjusting piece can move along the axial direction of the rotating shaft so as to enable the locking pin to be inserted into or withdrawn from the locking hole; a return spring configured to act on the locking adjuster; the control knob is exposed out of the supporting seat and can be rotationally adjusted to extrude the locking adjusting piece to move; the locking adjuster has a locking position and an unlocking position; under the unlocking position, the locking pin exits from the locking hole, and the waist rest body can rotate relative to the back support body; under the locking position, the control knob is rotated to extrude the locking adjusting piece to move towards the direction of the supporting seat, so that the locking pin is inserted into the locking hole, and the waist rest body and the back support body are relatively fixed; and the reset elastic piece is elastically deformed to provide elastic force for resetting the locking adjusting piece to the unlocking position again.
Preferably, a longitudinal damping elastic member is disposed between the rotating portion and the supporting base, and the damping elastic member is elastically deformed in response to the rotating motion of the lumbar support body. When the waist support body is unlocked, the damping elastic piece can realize the elastic rotation adjusting function of the waist support body, so that the self-adaptive adjusting function is realized.
Preferably, the front end of the supporting seat is provided with a rotating connecting groove, and the rotating part is positioned in the rotating connecting groove; the rear end of the rotating part is provided with a limiting lug, and the rear part of the supporting seat is correspondingly provided with a longitudinal limiting groove which is communicated with the rotating connecting groove in a front-and-back manner; the limiting lug is positioned in the limiting groove; the upper end and the lower end of the damping elastic piece are respectively connected with the limiting lug and the bottom end of the limiting groove. When the waist rest body rotates backwards relative to the back support body, the damping elastic piece can elastically deform, and therefore good damping feeling can be provided.
Preferably, one of the control knob and the locking adjusting piece is provided with an arc-shaped guide groove, and the other of the control knob and the locking adjusting piece is correspondingly provided with an abutting guide block; the guide groove is provided with a shallow end and a deep end, and the groove depth of the guide groove gradually becomes deeper from the shallow end to the deep end; under the unlocking position, the abutting guide block is positioned at the depth of the guide groove, and the locking pin is withdrawn from the lock hole under the action of the reset elastic piece; under the locking position, the control knob rotates relative to the locking adjusting piece to enable the guide block to move to the shallow end of the guide groove, and the control knob is abutted against the guide block and simultaneously extrudes the locking adjusting piece to move towards the direction of the supporting seat so that the locking pin is inserted into the locking hole. Design benefit through the degree of depth that sets up the guide way for only need rotate control knob and can act on the locking regulating part and remove, simple structure is reliable.
Preferably, the supporting seat comprises a rotary connecting groove arranged at the front end and a matching part which is positioned at the outer side of the back supporting body and is of a circular structure; the matching part is adjacent to the rotating connecting groove on the left and right; the rotating part is embedded in the rotating connecting groove; the locking adjusting piece and the rotating control piece are connected to the matching part.
Preferably, the locking adjusting piece is provided with a positioning bulge extending towards the supporting seat, and the locking pin is arranged at the end part of the positioning bulge; the matching part is correspondingly provided with a positioning notch which penetrates through the rotary connecting groove from left to right; the positioning bulge is arranged in the positioning notch in a penetrating way. So that the locking pin can penetrate through the rotating connecting groove to be matched with the locking hole on the rotating part; under the action of the positioning bulges and the positioning notches, the locking adjusting piece can only move left and right and cannot rotate per se; the locking adjusting piece can move more stably.
Preferably, the control knob and the matching part are arranged right and left, and the locking adjusting piece is hidden in the control knob and the matching part. The locking adjusting piece is hidden, so that only the control knob is exposed outside, and the structure is more attractive.
Preferably, an annular groove which is sunken inwards is arranged at the outer side end of the matching part, and the locking adjusting part is in a circular shape and can be embedded in the annular groove; the control knob is of a hollow structure, and the locking adjusting piece can be accommodated inside the control knob.
Preferably, the control knob and the rotating shaft are of an integral structure, and the rotating shaft is sequentially arranged on the locking adjusting piece, the matching part and the rotating part in a penetrating mode from the outer side of the back support body. Therefore, the rotating shafts are used for connecting the structures together, the connection is more convenient and faster, and the connection steps are saved.
Preferably, the return elastic member is a spring, the return elastic member is sleeved on the rotating shaft, and the return elastic member is located between the matching portion and the locking adjusting member. The reset elastic piece is directly sleeved on the rotating shaft, and the connection is convenient.
Preferably, at least two locking holes which are longitudinally arranged are arranged on the rotating part. The waist rest body can be locked at different rotation angles, so that the waist rest body is provided with a plurality of locking gears.
Preferably, the damping elastic member is a spring.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
firstly, the multifunctional waist rest is rotationally matched between the supporting seat and the rotating part through the rotating shaft by arranging the rotating control part; the rotating shaft is further provided with a locking adjusting piece, and the locking adjusting piece can move along the axial direction of the rotating shaft so that a locking pin of the locking adjusting piece can be inserted into or withdrawn from a locking hole in the rotating part to rotationally lock or unlock the lumbar support body; the control knob can be rotationally adjusted to extrude the locking adjusting piece to move; therefore, the rotation locking and unlocking functions of the lumbar support body can be realized only by rotating the control knob, and the operation is very convenient; and the lockhole can set up to a plurality ofly for the waist leans on the body to lock in different turned angle, realizes that many gears are adjusted.
Secondly, an arc-shaped guide groove and an abutting guide block are arranged between the control knob and the locking adjusting piece, wherein the guide groove is provided with a shallow end and a deep end, and the groove depth of the guide groove gradually becomes deeper from the shallow end to the deep end; therefore, the locking adjusting piece can be moved only by rotating the control knob, the structure is simple and reliable, and the design is ingenious.
Moreover, a longitudinal damping elastic part is arranged between the rotating part and the supporting seat, and the damping elastic part correspondingly generates elastic deformation in response to the rotating action of the waist rest body; when the waist support body is unlocked by rotation, the damping elastic piece can realize the elastic rotation adjusting function of the waist support body, so that the self-adaptive adjusting function is realized.
In addition, the control knob and the rotating shaft are of an integrated structure, and the rotating shaft sequentially penetrates through the locking adjusting piece, the matching part and the rotating part from the outer side of the back support body; therefore, the structures are connected together by using the rotating shaft, the connection is more convenient and faster, and the connection steps are saved. And after the connection is completed, the rotating part is embedded in the rotating connecting groove, and the locking adjusting piece is hidden between the matching part and the control knob, so that the structure is simpler and more attractive.
Drawings
Fig. 1 is a schematic side perspective view of a lumbar support body connected to a back support body according to an embodiment of the present invention;
fig. 2 is an exploded view of the connection of the components of the present invention in an embodiment;
fig. 3 is an exploded view of the connection of the components of the present invention at another angle in an embodiment;
FIG. 4 is a schematic structural view of the rotation control assembly and the locking adjustment member connected to the support base according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a connection structure between the rotating part and the rear end of the supporting seat according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of the locking adjusting member and the supporting seat of the embodiment of the present invention;
FIG. 7 is a schematic perspective view of the rear end of the supporting base according to the embodiment of the present invention;
FIG. 8 is a schematic perspective view of the front end of the supporting base according to the embodiment of the present invention;
fig. 9 is a schematic perspective view of the control knob and the locking adjustment member according to the embodiment of the present invention.
The figures are numbered: a lumbar support body 1; a rotating part 1a; a back support 2; a support base 3; a rotary control member 4; a control knob 4a; a rotating shaft 4b; a locking adjuster 5; a locking pin 6; a lock hole 7; a return elastic member 8; a rotary connecting groove 9; a damping elastic member 19; a limit bump 11; a limiting groove 12; an annular groove 13; a fitting portion 14; a positioning boss 15; a positioning notch 16; a guide groove 17; a shallow end 17a; a deep end 17b; an abutment guide block 18; a convex ring 19.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
as shown in fig. 1-9, the utility model provides a multifunctional adjustable lumbar support, which comprises a lumbar support body 1 and a back support body 2; the left side and the right side of the waist rest body 1 are provided with rotating parts 1a which extend backwards in a mirror image mode, and the left side and the right side of the back support body 2 are provided with supporting seats 3 corresponding to the mirror image mode; the rotating part 1a is rotatably connected to the supporting seat 3 a; the supporting seat 3a is connected with a rotary control piece 4, and the rotary control piece 4 comprises a control knob 4a and a rotating shaft 4b; the rotating shaft 4b penetrates through the supporting seat 3 and the rotating part 1a along the left-right direction so that the rotating part 1a is in running fit with the supporting seat 3, and the waist rest body 1 can be adjusted in a rotating mode relative to the back support body 2. A locking adjusting piece 5 is also arranged between the supporting seat 3 and the control knob 4a, and the locking adjusting piece 5 is sleeved on the rotating shaft 4b; a locking pin 6 extending towards the supporting seat 3 is arranged on the locking adjusting piece 5, and a locking hole 7 is correspondingly arranged on the rotating part 1a; the lock adjuster 5 is movable in the axial direction of the rotary shaft 4b to insert or withdraw the lock pin 6 into or from the lock hole 7; so that the lumbar support body 1 can be rotationally locked or unlocked. And the control knob 4a is configured to be rotatable to press the locking adjuster 5 to move so that the locking adjuster 5 has a locking position and an unlocking position; under the unlocking position, the locking pin 6 on the locking adjusting piece 5 exits the locking hole 7, and the waist rest body 1 can be rotationally adjusted relative to the back support body 2; under the locking position, the control knob 4a is rotated to act the locking adjusting piece 5 to move towards the supporting seat 3, so that the locking pin 6 is inserted into the locking hole 7, and the lumbar support body 1 and the back support body 2 are locked; a reset elastic piece 8 is arranged between the supporting seat 3 and the locking adjusting piece 5, and the reset elastic piece 8 is elastically deformed under the locking position; so that when the control knob 4a is rotated reversely, the return elastic member 8 can provide an elastic force to return the locking adjusting member 5 from the locking position to the unlocking position again.
As shown in fig. 2-9, the front end of the supporting seat 3 is provided with a narrow rotating connecting groove 9 for accommodating the rotating portion 1a; the rotating part 1a can be embedded in the rotating connecting groove 9 and can rotate up and down in the rotating connecting groove 9; the connection part between the waist rest body 1 and the back support body 2 is tightly matched, and the connection structure is more attractive. In addition, a longitudinal damping elastic element 10 is arranged between the rotating part 1a and the rear end of the supporting seat 3, specifically: a protruding limit lug 11 is arranged at the rear end of the rotating part 1a, and a longitudinal limit groove 12 communicated with the rotating connecting groove 9 is arranged at the rear end of the supporting seat 3; the longitudinal height of the limiting groove 12 is smaller than that of the rotary connecting groove 9; the limiting lug 11 is just limited in the limiting groove 12; the damping elastic member 10 is a spring, and the upper end and the lower end of the damping elastic member 10 are respectively connected to the bottom ends of the limiting projection 11 and the limiting groove 12. Then when the waist leans on body 1 and rotates backward relative back supporter 2, damping elastic component 10 will elastic deformation to can provide good damping and feel, make waist lean on body 1 when the unblock, can carry out the elastic rotation regulation relative back supporter 2, make the user use more comfortablely, thereby play the self-adaptation regulatory function.
As shown in fig. 2-6, the supporting seat 3 further includes a matching portion 3a located outside the back supporting body 2 and having a circular structure, and the matching portion 3a is adjacent to the rotating connecting groove 9 on the left and right sides; a circle of convex rings 19 protruding outwards are arranged at the outer side end of the matching part 3 a; the convex ring 19 forms an annular groove 13 on the matching part 3a, the locking adjusting piece 5 is in a circular shape, and the locking adjusting piece 5 can be embedded in the annular groove 13; a positioning bulge 15 extending towards the direction of the back support body 2 is arranged on the outer periphery of the locking adjusting piece 5, and the locking pin 6 is arranged at the end part of the positioning bulge 15; the matching part 3a is correspondingly provided with a positioning notch 16 communicated with the rotary connecting groove 9; the positioning protrusion 15 is inserted into the positioning notch 16, so that the locking pin 6 can penetrate through the rotating connecting groove 9 to be in plug fit with the locking hole 7 on the rotating part 1 a. The positioning bulge 15 is matched with the positioning notch 16, so that the locking adjusting piece 5 can be limited to move left and right only along the rotating shaft 4b and can not rotate circumferentially by itself; so that the movement of the locking adjustment 5 is stabilized.
As shown in fig. 1-5 and 9, the control knob 4a and the rotating shaft 4b are integrated, and when being installed, the rotating shaft 4b is sequentially arranged on the locking adjusting member 5, the matching part 3a and the rotating part 1a from the outer side of the back support body 2; as shown in fig. 5, the penetrating end of the rotating shaft 4b is connected with a limiting ring and a limiting pin; thereby, the rotation shaft 4b can be restricted from being separated from the support base 3, so that the connection structure is stable. And after the connection is completed, the control knob 4b and the matching part 3a are closely connected together. Further, the following steps are carried out: as shown in fig. 9, the control button 4a has a hollow structure inside and can accommodate the locking adjuster 5; the locking adjusting piece 5 is hidden between the control button 4a and the matching part 14, so that the structure is more attractive; and the convex ring 19 on the matching part 14 is embedded in the control knob 4a after connection, so that the connection part of the two parts is tight. An arc-shaped guide groove 17 is formed in the end face of the locking adjusting piece 5, and correspondingly, an abutting guide block 18 protruding into the guide groove 17 is arranged in the control knob 4a; the guide groove 17 is provided with a shallow end 17a and a deep end 17b, and the groove depth of the guide groove 17 becomes deeper gradually from the shallow end 17a to the deep end 17b; and the elastic restoring element 8 is also a spring, the elastic restoring element 8 is positioned between the matching part 3a and the locking adjusting element 5, and the elastic restoring element 8 is also sleeved on the rotating shaft 4 b. Then when the locking adjusting member 5 is in the unlocking position, the abutting guide block 18 is positioned at the deep end 17b of the guide groove 17, so that the locking adjusting member 5 is positioned closer to the control knob 4a, and the locking pin 6 is disengaged from the locking hole 7; then the lumbar support body 1 is in a free rotation state at this time, and under the action of the damping elastic element 10, the lumbar support body 1 can be adjusted in an elastic rotation manner. When the lumbar support body 1 needs to be rotated, the control knob 4a only needs to be rotated, the control knob 4a rotates relative to the locking adjusting piece 5, the abutting guide block 18 moves from the deep end 17b of the guide groove 17 to the shallow end 17a of the guide groove 17, and therefore when the control knob 4a rotates, the abutting guide block 18 extrudes the locking adjusting piece 5 to move towards the back support body 2, the locking pin 6 can be inserted into the locking hole 7 in the rotating part 1a, and the lumbar support body 1 is locked; and can set up a plurality of lockholes 7 of vertically arranging on rotation portion 1a to can lock waist back body 1 at different turned angle, make waist back body 1 have a plurality of locking gear. Under the locking position, the reset elastic piece 8 is extruded and deformed, so that the elastic force for resetting the locking adjusting piece 5 to the unlocking position again can be provided; then, if the unlocking is needed again, only the control knob 4a needs to be acted for reverse rotation, and the operation is very convenient.
Claims (12)
1. The utility model provides a multi-functional regulation waist leans on which characterized in that includes:
a waist rest body and a back support body; the waist rest body is provided with a rotating part extending backwards, and the back support body is correspondingly provided with a support seat; the rotating part is connected to the supporting seat;
the rotary control piece is connected to the supporting seat; the rotary control piece comprises a control knob and a rotating shaft; the rotating shaft penetrates through the supporting seat and the rotating part along the left-right direction so that the supporting seat is in rotating fit with the rotating part;
the locking adjusting piece is sleeved on the rotating shaft in a sliding manner and is positioned between the control knob and the supporting seat; a lock hole is arranged on the rotating part, and a locking pin is correspondingly arranged on the locking adjusting part; the locking adjusting piece can move along the axial direction of the rotating shaft so as to enable the locking pin to be inserted into or withdrawn from the locking hole;
a return elastic member configured to act on the locking adjustment member;
the control knob is exposed out of the supporting seat and can be rotationally adjusted to extrude the locking adjusting piece to move; the locking adjuster has a locking position and an unlocking position; under the unlocking position, the locking pin exits from the locking hole, and the waist rest body can rotate relative to the back support body; under the locking position, the control knob is rotated to extrude the locking adjusting piece to move towards the direction of the supporting seat, so that the locking pin is inserted into the locking hole, and the waist rest body and the back support body are relatively fixed; and the reset elastic piece is elastically deformed to provide elastic force for resetting the locking adjusting piece to the unlocking position again.
2. The multi-functional adjustable lumbar support of claim 1, characterized in that: a longitudinal damping elastic part is arranged between the rotating part and the supporting seat, and the damping elastic part correspondingly generates elastic deformation in response to the rotating action of the waist rest body.
3. The multifunctional adjustable lumbar support according to claim 2, wherein: the front end of the supporting seat is provided with a rotating connecting groove, and the rotating part is positioned in the rotating connecting groove; the rear end of the rotating part is provided with a limiting lug, and the rear part of the supporting seat is correspondingly provided with a longitudinal limiting groove which is communicated with the rotating connecting groove in a front-and-back manner; the limiting lug is positioned in the limiting groove; the upper end and the lower end of the damping elastic piece are respectively connected with the limiting lug and the bottom end of the limiting groove.
4. The multi-functional adjustable lumbar support of claim 1, characterized in that: one of the control knob and the locking adjusting piece is provided with an arc-shaped guide groove, and the other of the control knob and the locking adjusting piece is correspondingly provided with an abutting guide block; the guide groove is provided with a shallow end and a deep end, and the groove depth of the guide groove gradually becomes deeper from the shallow end to the deep end; under the unlocking position, the abutting guide block is positioned at the depth of the guide groove, and the locking pin is withdrawn from the lock hole under the action of the reset elastic piece; under the locking position, the control knob rotates relative to the locking adjusting piece to enable the guide block to move to the shallow end of the guide groove, and the control knob is abutted against the guide block and simultaneously extrudes the locking adjusting piece to move towards the direction of the supporting seat so that the locking pin is inserted into the locking hole.
5. The multifunctional adjustable lumbar support according to claim 1, wherein: the supporting seat comprises a rotary connecting groove arranged at the front end and a matching part which is positioned at the outer side of the back supporting body and is of a circular structure; the matching part is adjacent to the rotating connecting groove left and right; the rotating part is embedded in the rotating connecting groove; the locking adjusting piece and the rotating control piece are connected to the matching part.
6. The multi-functional adjustable lumbar support of claim 5, characterized in that: the locking adjusting piece is provided with a positioning bulge extending towards the direction of the supporting seat, and the locking pin is arranged at the end part of the positioning bulge; the matching part is correspondingly provided with a positioning notch which penetrates through the rotary connecting groove from left to right; the positioning bulge is arranged in the positioning notch in a penetrating way.
7. The multi-functional adjustable lumbar support of claim 5, characterized in that: the control knob and the matching part are arranged right and left, and the locking adjusting piece is hidden in the control knob and the matching part.
8. The multi-functional adjustable lumbar support of claim 7, characterized in that: the outer side end of the matching part is provided with an inward concave annular groove, and the locking adjusting part is in a circular shape and can be embedded into the annular groove; the control knob is of a hollow structure, and the locking adjusting piece can be accommodated inside the control knob.
9. The multi-functional adjustable lumbar support of claim 5, characterized in that: the control knob and the rotating shaft are of an integrated structure, and the rotating shaft sequentially penetrates through the locking adjusting piece, the matching part and the rotating part from the outer side of the back support body.
10. The multi-functional adjustable lumbar support of claim 7, characterized in that: the reset elastic piece is a spring, the reset elastic piece is sleeved on the rotating shaft, and the reset elastic piece is positioned between the matching part and the locking adjusting piece.
11. The multifunctional adjustable lumbar support according to claim 1, wherein: the rotating part is provided with at least two lock holes which are longitudinally arranged.
12. The multi-functional adjustable lumbar support of claim 2, characterized in that: the damping elastic member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220799412.6U CN218008951U (en) | 2022-04-08 | 2022-04-08 | Multifunctional adjustable waist support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220799412.6U CN218008951U (en) | 2022-04-08 | 2022-04-08 | Multifunctional adjustable waist support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218008951U true CN218008951U (en) | 2022-12-13 |
Family
ID=84371913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220799412.6U Active CN218008951U (en) | 2022-04-08 | 2022-04-08 | Multifunctional adjustable waist support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218008951U (en) |
-
2022
- 2022-04-08 CN CN202220799412.6U patent/CN218008951U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8622477B2 (en) | Adjustable armrest for a seating unit | |
| KR100954226B1 (en) | Chair with a movable back support | |
| US20090146468A1 (en) | Reclining Lounge Chair | |
| KR101763159B1 (en) | Apparatus for tilting the back of chair | |
| CN218008951U (en) | Multifunctional adjustable waist support | |
| CN114468638A (en) | Full-dynamic seat | |
| CN213247868U (en) | Waist rest adjusting device and seat | |
| JP2006296960A (en) | Chair having massage function | |
| EP3854264A1 (en) | Armchair | |
| KR101106095B1 (en) | An armrest and an armchair having the same | |
| KR200424403Y1 (en) | The chair where the back of chair control and the ball wheel attach | |
| CN213216127U (en) | Seat and back of chair thereof | |
| KR101829664B1 (en) | Chair headrest angle adjustment | |
| EP3691497A1 (en) | Posture adaptive work chair | |
| JP7307537B2 (en) | Chair | |
| KR100817334B1 (en) | Breast-plate of chair | |
| CN204599953U (en) | Children's seat and seat wabbler mechanism thereof | |
| CN108887973B (en) | Folding seat | |
| CN218474357U (en) | Locking mechanism of seat rotating part and armrest rotating device | |
| CN217827280U (en) | Elastic telescopic supporting device for chair and chair | |
| KR102210240B1 (en) | Apparatus for adjusting chair backrest tilting with elasticity control | |
| KR100651612B1 (en) | Assembly structure of backplate for chair | |
| CN218898945U (en) | Lumbar support locking mechanism and seat | |
| CN216984234U (en) | Chair back sliding adjusting device | |
| KR200292475Y1 (en) | chair having rotatable finger pressure and the front and the rear adjustable head support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |