CN214913086U

CN214913086U - Backrest adjusting device for rehabilitation training device

Info

Publication number: CN214913086U
Application number: CN202121419401.2U
Authority: CN
Inventors: 姚佳烽; 刘凯
Original assignee: Yangzhou Yihang Medical Instrument Co ltd
Current assignee: Yangzhou Yihang Medical Instrument Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-30
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to a backrest adjusting device for a rehabilitation trainer, which comprises a pillar and a backrest, wherein the bottom end of the pillar is arranged on a base, an included angle alpha is formed between the pillar and the base, and the alpha is an acute angle; the pillar is provided with a mounting groove, a rotating device is arranged in the mounting groove, the rotating device comprises a rotating shaft, a rotating block and a rotating ring, the rotating shaft is arranged in the mounting groove in a penetrating mode, the top end and the bottom end of the rotating block are respectively connected with the rotating shaft and the rotating ring, and the rotating block is provided with an opening; the top end of the backrest is rotatably arranged on the upright post, one side of the backrest facing the upright post is fixedly provided with one end of a backrest rod, the other end of the backrest rod is movably arranged in the opening, and the backrest rod can be retracted into or extended out of the opening. The rotary ring drives the opening on the rotary block to rotate, so that concentric arrangement between the opening and the backrest rod is realized, the backrest rod retracts into or extends out of the opening along the opening direction, the length of the backrest rod between the backrest and the stand column is adjusted, and finally the angle of the backrest is adjusted to adapt to various users and improve the comfort level of the user.

Description

Backrest adjusting device for rehabilitation training device

Technical Field

The utility model belongs to the technical field of the rehabilitation training ware and specifically relates to a back adjusting device for rehabilitation training ware is related to.

Background

The rehabilitation training device is the main appliance for exercising after healing. The upper and lower limb rehabilitation trainers can train four limbs, so the application range is particularly wide. When the rehabilitation training device for upper and lower limbs is used by a rehabilitee, the rehabilitee needs to sit on the seat, lean against the backrest at the waist and then realize the rehabilitation training of the upper or lower limbs. But current upper and lower limbs rehabilitation training device, its back is fixed on the training device, and the angle that forms between back and the training device is also fixed unchangeable, and recovered person can't carry out back angle according to self demand and adjust for the comfort level that rehabilitation training device used reduces.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a backrest adjusting device for the rehabilitation training device.

The utility model provides a technical scheme that its technical problem adopted is: a backrest adjusting device for a rehabilitation trainer comprises a strut and a backrest, wherein the bottom end of the strut is arranged on a base, an included angle alpha is formed between the strut and the base, and the alpha is an acute angle;

the rotary device comprises a rotary shaft, a rotary block and a rotary ring, wherein the rotary shaft is arranged in the mounting groove in a penetrating manner, the top end and the bottom end of the rotary block are respectively connected with the rotary shaft and the rotary ring, and the rotary block is provided with an opening;

the top end of the backrest is rotatably arranged on the upright post, one end of a backrest rod is fixedly arranged on one side of the backrest, which faces the upright post, the other end of the backrest rod is movably arranged in the opening, and the backrest rod can be retracted into or extended out of the opening;

the rotating ring drives the rotating block to rotate along the rotating shaft, so that the backrest rod and the opening are in the following two states:

the backrest rod and the opening are arranged in a concentric circle, and the backrest rod is not contacted with the inner wall of the opening;

the circle center of the back support rod is not concentric with the circle center of the opening, and the outer wall of the back support rod is abutted to the inner wall of the opening.

In an embodiment of the present invention, the rotating ring is provided with a rotating rod.

In an embodiment of the present invention, the pillar is provided with a rotating rod groove matched with the rotating rod.

In one embodiment of the present invention, the inner diameter of the opening is 0.3-0.7mm larger than the outer diameter of the back rod.

In one embodiment of the present invention, the inner diameter of the opening is 0.5mm larger than the outer diameter of the back rod.

In an embodiment of the present invention, a rotating sleeve is disposed on the top end of the rotating block, the rotating sleeve is disposed on the rotating shaft, and rotating rings are disposed on two sides of the bottom end of the rotating block respectively;

the rotating sleeve, the rotating block and the rotating ring are integrally formed.

In an embodiment of the present invention, the rotating rod is provided with a handle.

The utility model has the advantages that: the utility model discloses an it is rotatory to adjust the rolling circle, and the rolling circle drives the trompil on the turning block, further realizes the concentric setting between trompil and back pole, realizes that the back pole is close to or keeps away from the pillar along the trompil direction retraction in or stretching out the trompil, realizes that the back is close to or keeps away from the pillar, realizes the length adjustment of the back pole between back and stand, finally realizes the angle modulation of back to adapt to various use crowds, improve user's comfort level.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the rotating device;

FIG. 3 is a schematic view of a backrest angle adjustment structure;

in the figure: 100. a column; 200. a backrest; 300. a base; 400. mounting grooves; 501. a rotating shaft; 502. rotating the block; 503. rotating the ring; 504. opening a hole; 505. rotating the sleeve; 506. rotating the rod; 507. a handle; 600. a backrest rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 to 3, a backrest adjusting device for a rehabilitation training device comprises a support 100 and a backrest 200, wherein the bottom end of the support 100 is arranged on a base 300, an included angle α is formed between the support 100 and the base 300, and α is an acute angle; namely, the pillar 100 and the base 300 are obliquely arranged to form a certain included angle;

the pillar is provided with an installation groove 400, a rotating device is arranged in the installation groove 400, the rotating device comprises a rotating shaft 501, a rotating block 502 and a rotating ring 503, the rotating shaft 501 penetrates through the installation groove 400, two ends of the rotating block 502 are respectively connected with the rotating shaft 501 and the rotating ring 503, and the rotating block 502 is provided with an opening 504; because the pillar 100 and the base 300 are arranged obliquely, the installation groove 400 and the rotating device arranged in the installation groove 400 are both arranged obliquely with the pillar 100;

the top end of the backrest 200 is rotatably arranged on the upright post 100, one end of a backrest rod 600 is fixedly arranged on one side of the backrest 200 facing the upright post, the other end of the backrest rod 600 is movably arranged in the opening 504, and the backrest rod 600 can be retracted into or extended out of the opening 504; under the action of gravity of the backrest and the backrest rod, a certain included angle is formed between the backrest rod and the opening under a normal state, the outer ring of the backrest rod is in a butting state with the inner wall of the opening, and the backrest is fixed at a certain angle so that the back of a rehabilitee is propped against the backrest;

when the backrest angle needs to be adjusted, the rotating ring 503 drives the rotating block to rotate along the rotating shaft 501, so that the backrest rod 600 and the opening 504 are in the following two states: firstly, exerting upward force on the rotating ring manually, driving the rotating block to rotate along the rotating shaft at the moment, and rotating the opening 504 on the rotating block at the moment until the backrest rod 600 and the opening 504 are arranged in a concentric circle, and at the moment, the backrest rod is not contacted with the inner wall of the opening; the backrest rod between the backrest and the support is gradually retracted into the opening, and the backrest is gradually close to the support, so that the angle adjustment between the backrest and the support is realized;

when the rotating ring 503 is put down, at the moment, the rotating ring 503 drives the rotating block 502 and the opening 504 on the rotating block to reset, at the moment, a certain included angle is formed between the opening and the backrest rod, the center of the circle of the backrest rod is not concentric with the center of the opening, the outer wall of the backrest rod is abutted with the inner wall of the opening, at the moment, the backrest is fixed, and a rehabilitee can carry out backrest training.

In order to apply force to the rotating ring 503, a rotating rod 506 is sleeved in the rotating ring 503. The pillar 100 is provided with a rotating rod groove 101 matched with the rotating rod 506, so that the rotating rod can be placed in a natural state conveniently.

The inner diameter of an opening 504 on the rotating block 502 is 0.3-0.7mm larger than the outer diameter of the backrest rod; more preferably, the inner diameter of the opening is larger than the outer diameter of the back-rest rod by 0.5mm, so that the back-rest rod can move into or extend out of the opening along the opening.

A rotating sleeve 505 is arranged at the top end of the rotating block 502, the rotating sleeve 505 is arranged on the rotating shaft 501, and rotating rings 503 are respectively arranged on two sides of the bottom end of the rotating block 502; the rotating sleeve 505, the rotating block 502 and the rotating ring 503 are integrally formed, so that the integrity of the rotating device is improved, and the rotating efficiency of the rotating device is improved. To facilitate the application of force to the rotating rod, a handle 507 is provided on the rotating rod 506.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. A backrest adjusting device for a rehabilitation trainer is characterized by comprising a strut and a backrest, wherein the bottom end of the strut is arranged on a base, an included angle alpha is formed between the strut and the base, and the alpha is an acute angle;

2. The backrest adjusting device for the rehabilitation training device according to claim 1, wherein the rotating ring is sleeved with a rotating rod.

3. The backrest adjusting device for the rehabilitation training device according to claim 2, wherein the supporting column is provided with a rotating rod groove matched with the rotating rod.

4. The backrest adjusting device for the rehabilitation training device of claim 1, wherein the inner diameter of the opening is 0.3-0.7mm larger than the outer diameter of the backrest rod.

5. The backrest adjusting device for rehabilitation training device of claim 4, wherein the inner diameter of the opening is 0.5mm larger than the outer diameter of the backrest rod.

6. The backrest adjusting device for the rehabilitation training device as claimed in claim 1, wherein a rotating sleeve is provided at the top end of the rotating block, the rotating sleeve is sleeved on the rotating shaft, and rotating rings are provided at two sides of the bottom end of the rotating block respectively;

7. The backrest adjusting device for the rehabilitation training device according to claim 2 or 3, wherein the rotating rod is provided with a handle.