CN211356327U

CN211356327U - Backrest angle adjusting device

Info

Publication number: CN211356327U
Application number: CN201921990572.3U
Authority: CN
Inventors: 樊锁庆; 李洪炳
Original assignee: Danyang Kangbao Medical Technology Co ltd
Current assignee: Danyang Kangbao Medical Technology Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-28
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to a backrest angle modulation device, include: a sleeve; a stay bar arranged on the sleeve; the device also comprises a locking device and a pull wire; the utility model discloses arrange the vaulting pole in the sleeve pipe and do the extension and shorten the motion, the sleeve pipe is fixed with the frame, the vaulting pole with lean against fixedly to carry out the locking and loosen the vaulting pole through locking means, realize that control leans against angle regulation's function, convenient to use person adjusts according to the demand of oneself at will.

Description

Backrest angle adjusting device

Technical Field

The utility model belongs to the technical field of medical instrument, specifically speaking relates to a backrest angle modulation device.

Background

In the prior art, the angle of the backrest of some wheelchairs is not adjustable, and the fixed backrest is difficult to meet the requirements of users due to different shapes of the users and the requirements on the functions of the wheelchairs.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that an angle adjusting device is backed to providing, solved among the prior art nonadjustable problem of backrest angle.

In order to solve the technical problem, the utility model discloses a backrest angle modulation device, include: a sleeve; a stay bar arranged on the sleeve; the locking device is provided with a spring, a first support arranged at one end of the spring, a second support arranged at the other end of the spring, and the second support is fixed with the sleeve; a third bracket and a fourth bracket are arranged at the two end parts of the sleeve, and the fourth bracket is fixed with the wheelchair frame; one end of the stay bar is fixed with the backrest; one end of the stay wire is connected with the first bracket and penetrates through the third bracket.

Further, the side wall of the sleeve is provided with a notch, and the first support penetrates through the notch to be fixed with the spring.

Further, one end of the sleeve is provided with an end cover.

Further, the spring and the second bracket are arranged inside the sleeve.

Compared with the prior art, the application can obtain the following technical effects:

the utility model discloses arrange the vaulting pole in the sleeve pipe and do the extension and shorten the motion, the sleeve pipe is fixed with the frame, the vaulting pole with lean against fixedly to carry out the locking and loosen the vaulting pole through locking means, realize that control leans against angle regulation's function, convenient to use person adjusts according to the demand of oneself at will.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of a backrest angle adjusting device according to an embodiment of the present invention;

fig. 2 is a schematic view of a locking device according to an embodiment of the present invention.

Reference symbols of the drawings

The support comprises a sleeve 1, a support rod 2, a locking device 3, a stay wire 4, a spring 5, a first support 6, a second support 7, a third support 8, a fourth support 9 and an end cover 10.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 and 2, fig. 1 is a schematic view of a backrest angle adjusting device according to an embodiment of the present invention; fig. 2 is a schematic view of a locking device according to an embodiment of the present invention. A backrest recliner device comprising: a sleeve 1; a stay bar 2 arranged on the sleeve 1; the locking device 3 is provided with a spring 5, a first support 6 arranged at one end of the spring 5, a second support 7 arranged at the other end of the spring 5, and the second support 7 is fixed with the sleeve 1; a third bracket 8 and a fourth bracket 9 are arranged at the two end parts of the sleeve 1, and the fourth bracket 9 is fixed with the wheelchair frame; one end of the stay bar 2 is fixed with the backrest; one end of the stay wire 4 is connected with the first bracket 6 and penetrates through the third bracket 8.

The spring 5 and the second support 7 are arranged inside the sleeve 1, the stay bar 1 is arranged in the sleeve 1 and penetrates through the spring 5, and one end of the sleeve 1 is fixed by an end cover 10; the side wall of the sleeve 1 is provided with a notch, and the first bracket 6 passes through the notch to be fixed with the spring 5; the user controls the stay wire 4, the stay wire 4 enables the first support 6 to rotate, the stay wire 4 tightens the spring 5 of the locking device 3 to lock the support rod 2, the backrest is fixed at the moment, the stay wire 4 loosens the spring 5 of the locking device 3 to loosen the support rod 2, and the backrest can be freely adjusted in angle at the moment.

The utility model discloses arrange vaulting pole 2 in sleeve pipe 1 and do the extension and shorten the motion, sleeve pipe 1 is fixed with the frame, vaulting pole 2 with lean against fixedly to carry out the locking and loosen vaulting pole 2 through locking means 3, realize that control leans against angle regulation's function, convenient to use person adjusts according to the demand of oneself at will.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A backrest recliner device comprising: a sleeve;

a stay bar arranged on the sleeve;

the method is characterized in that: the locking device is provided with a spring, a first support arranged at one end of the spring and a second support arranged at the other end of the spring, and the second support is fixed with the sleeve; a third bracket and a fourth bracket are arranged at the two end parts of the sleeve, and the fourth bracket is fixed with the wheelchair frame; one end of the stay bar is fixed with the backrest; one end of the pull wire is connected with the first support and penetrates through the third support.

2. The reclining device of claim 1, wherein: the side wall of the sleeve is provided with a notch, and the first support penetrates through the notch to be fixed with the spring.

3. The reclining device of claim 1, wherein: an end cover is arranged at one end of the sleeve.

4. The reclining device of claim 1, wherein: the spring and the second support are arranged inside the sleeve.