CN219557839U - Novel back sliding mechanism of rehabilitation bed chair wheelchair - Google Patents
Novel back sliding mechanism of rehabilitation bed chair wheelchair Download PDFInfo
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- CN219557839U CN219557839U CN202320605685.7U CN202320605685U CN219557839U CN 219557839 U CN219557839 U CN 219557839U CN 202320605685 U CN202320605685 U CN 202320605685U CN 219557839 U CN219557839 U CN 219557839U
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- sliding block
- push rod
- sliding plate
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Abstract
The utility model discloses a novel back sliding mechanism of a rehabilitation bed chair wheelchair, which comprises a bottom supporting component and a back frame, wherein the back frame is rotatably arranged at the top back of the bottom supporting component through a pin shaft, a left back turning frame and a right back turning frame are arranged in the back frame side by side left and right through connecting pins, vertical sliding steel pipes are fixedly arranged on the back surfaces of the left back turning frame and the right back turning frame, a sliding block component is arranged on the sliding steel pipes, and a roller component and a passing wheel are arranged on the back surface of the back frame through a fixed beam plate. In the structure, the back electric push rod is adopted to drive the steel wire rope to move, and the steel wire rope is guided by the passing wheel and the roller wheel assembly to stably drive the sliding plate to realize up-and-down lifting movement; the sliding plate realizes the up-and-down lifting motion on the sliding steel pipe through the sliding block assembly, so that a human body can lean against the sliding plate more comfortably, compared with the conventional elastic rubber, the back pad is pulled by adopting a steel wire rope structure, the service life is longer, and the lifting process is stable.
Description
Technical Field
The utility model relates to the field of rehabilitation bed chairs, in particular to a novel back sliding mechanism of a rehabilitation bed chair wheelchair.
Background
The existing rehabilitation bed chair or intelligent wheelchair is not provided with a similar back sliding device, and the back of a human body of the electric wheelchair can be displaced when the electric wheelchair is lifted up, so that uncomfortable feeling is generated; or the elastic rubber belt is used for pulling the back pad to rise upwards, and the back electric push rod is linked to form a sliding effect under the downward action of the back electric push rod; the back cushion of the elastic rubber belt is pulled for a long time, the elastic rubber belt can be aged, the back cushion is sewn for a long time, the back cushion can be loosened, and the like, and the service life is not long, so that the scheme provides a novel back sliding mechanism of the rehabilitation bed chair wheelchair.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a novel back sliding mechanism of a rehabilitation bed chair wheelchair.
The utility model provides the following technical scheme:
the utility model provides a novel back sliding mechanism of a rehabilitation bed chair wheelchair, which comprises a bottom supporting component and a back frame, wherein the back frame is rotatably arranged at the back of the top end of the bottom supporting component through a pin shaft, a left back turning frame and a right back turning frame are arranged in the back frame side by side left and right through connecting pins, vertical sliding steel pipes are fixedly arranged on the back surfaces of the left back turning frame and the right back turning frame, a sliding block component is arranged on the sliding steel pipes, and a roller component and a passing wheel are arranged on the back surface of the back frame through a fixed cross beam plate;
the sliding block assembly comprises an upper sliding block and a lower sliding block, wherein balls are arranged in the upper sliding block and the lower sliding block, sliding plates are arranged on the left back body overturning frame and the right back body overturning frame, the top end part of the back surface of the sliding plate is fixed with the upper sliding block of the sliding block assembly, and the bottom end part of the back surface of the sliding plate is fixed with the lower sliding block of the sliding block assembly.
As a preferable technical scheme of the utility model, a back electric push rod is fixedly arranged on the bottom supporting component, the bottom end part of the back electric push rod is connected with the bottom supporting component through a pin shaft, the top push rod shaft part of the back electric push rod is rotationally connected with the idler wheel through a pin shaft, a steel wire rope is arranged at the pin shaft part of the bottom end part of the back electric push rod, and the top end part of the steel wire rope is sequentially fixed with the sliding plate after being guided by the idler wheel and the idler wheel component.
As a preferable technical scheme of the utility model, handrails are fixedly arranged on the left and right outer sides of the back frame through screws, the handrails are rotationally connected with the back frame, and the bottoms of the sliding plates are fixed with the bottom supporting components through extension springs.
Compared with the prior art, the utility model has the following beneficial effects:
in the structure, the back electric push rod is adopted to drive the steel wire rope to move, and the steel wire rope is guided by the passing wheel and the roller wheel assembly to stably drive the sliding plate to realize up-and-down lifting movement; the sliding plate realizes the up-and-down lifting motion on the sliding steel pipe through the sliding block assembly, so that a human body can lean against the sliding plate more comfortably, compared with the conventional elastic rubber, the back pad is pulled by adopting a steel wire rope structure, the service life is longer, and the lifting process is stable.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is another view of the present utility model;
FIG. 3 is a schematic view of the back frame of the present utility model after it has been laid flat;
FIG. 4 is an enlarged schematic view of the slider assembly of FIG. 1;
in the figure: 1. a roller assembly; 2. a slider assembly; 3. sliding the steel pipe; 4. passing through a wheel; 5. a wire rope; 6. back electric push rod; 7. a back frame; 8. a sliding plate; 9. an armrest; 10. a left back body overturning frame; 11. a right back body overturning frame; 12. a tension spring; 13. a bottom support assembly.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model. Wherein like reference numerals refer to like elements throughout.
Further, if detailed description of the known art is not necessary to illustrate the features of the present utility model, it will be omitted. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Example 1
1-4, the utility model provides a novel back sliding mechanism of a rehabilitation bed chair wheelchair, which comprises a bottom supporting component 13 and a back frame 7, wherein the back frame 7 is rotatably arranged at the top and the back of the bottom supporting component 13 through a pin shaft, a left back turning frame 10 and a right back turning frame 11 are arranged in the back frame 7 side by side left and right through connecting pins, vertical sliding steel pipes 3 are fixedly arranged at the back surfaces of the left back turning frame 10 and the right back turning frame 11, a sliding block component 2 is arranged on the sliding steel pipes 3, and a roller component 1 and a idler wheel 4 are arranged at the back surface of the back frame 7 through a fixed beam plate;
the sliding block assembly 2 comprises an upper sliding block and a lower sliding block, wherein balls are arranged in the upper sliding block and the lower sliding block, the left back turnover frame 10 and the right back turnover frame 11 are respectively provided with a sliding plate 8, the top end part of the back of the sliding plate 8 is fixed with the upper sliding block of the sliding block assembly 2, and the bottom end part of the back of the sliding plate 8 is fixed with the lower sliding block of the sliding block assembly 2.
As a preferable technical scheme of the utility model, a back electric push rod 6 is fixedly arranged on a bottom supporting component 13, the bottom end part of the back electric push rod 6 is connected with the bottom supporting component 13 through a pin shaft, the top end push rod shaft part of the back electric push rod 6 is rotationally connected with a passing wheel 4 through a pin shaft, a steel wire rope 5 is arranged at the pin shaft part of the bottom end part of the back electric push rod 6, and the top end part of the steel wire rope 5 is sequentially fixed with a sliding plate 8 after being guided by the passing wheel 4 and a roller component 1.
As a preferable embodiment of the present utility model, the left and right outer sides of the back frame 7 are fixedly provided with handrails 9 by screws, the handrails 9 are rotatably connected with the back frame 7, and the bottom of the sliding plate 8 is fixed with the bottom supporting component 13 by extension springs 12.
Further, the working principle of the device is as follows:
in the structure of the device, the back frame 7 is used as a back support of a human body and is rotatably arranged on the bottom support component 13 through a pin shaft, the bottom support component 13 is of a movable wheelchair structure, a toilet is arranged in the bottom support component, armrests are rotatably arranged on the left side and the right side of the back frame 7, the armrests 9 can be rotated to be parallel to a seat in a sitting posture, and the bed frame can be put down in a sleeping posture to realize a bed frame parallel effect, namely, as shown in fig. 3, and can be used as a bed body;
through back electric putter 6 work back, its push rod axle motion drives wire rope 5, wire rope 5 is fixed mutually with sliding plate 8 after passing through wheel 4 and roller assembly 1 in proper order to be led, realize pulling sliding plate 8 and realize the motion of oscilaltion through sliding block assembly 2 on sliding steel pipe 3, it is more comfortable when making the human body lean on sliding plate 8, and adopt back electric putter 6 to drive wire rope 5 motion in this structure, pass through wheel 4 and roller assembly 1 and lead, steadily drive sliding plate 8 and realize the mode of oscilaltion motion, compare conventional elastic rubber pulling back cushion, life is more permanent, and the lift process is also stable.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The utility model provides a novel back slide mechanism of rehabilitation bed chair wheelchair, includes bottom sprag subassembly (13) and back frame (7), its characterized in that, back frame (7) are installed in the top back of bottom sprag subassembly (13) through the round pin axle rotation, the inside of back frame (7) is installed left back side by side through the connecting pin and is turned over body frame (10) and turn over body frame (11) on the back, the back of left back turns over body frame (10) and turn over body frame (11) on the back all fixed mounting has vertical sliding steel pipe (3), install sliding block subassembly (2) on sliding steel pipe (3), roller assembly (1) and cross wheel (4) are installed through fixed crossbeam board in the back of back frame (7);
the sliding block assembly (2) comprises an upper sliding block and a lower sliding block, balls are arranged in the upper sliding block and the lower sliding block, the left back body overturning frame (10) and the right back body overturning frame (11) are respectively provided with a sliding plate (8), the top end part of the back of the sliding plate (8) is fixed with the upper sliding block of the sliding block assembly (2), and the bottom end part of the back of the sliding plate (8) is fixed with the lower sliding block of the sliding block assembly (2).
2. The back sliding mechanism of the novel rehabilitation bed chair wheelchair according to claim 1, wherein a back electric push rod (6) is fixedly installed on the bottom supporting component (13), the bottom end part of the back electric push rod (6) is connected with the bottom supporting component (13) through a pin shaft, the top end push rod shaft of the back electric push rod (6) is rotationally connected with the passing wheel (4) through a pin shaft, a steel wire rope (5) is installed at the bottom end pin shaft of the back electric push rod (6), and the top end part of the steel wire rope (5) is sequentially fixed with the sliding plate (8) through the passing wheel (4) and the roller component (1) in a guiding way.
3. The back sliding mechanism of the novel rehabilitation bed chair wheelchair according to claim 2, wherein the left and right outer sides of the back frame (7) are fixedly provided with handrails (9) through screws, the handrails (9) are rotationally connected with the back frame (7), and the bottom of the sliding plate (8) is fixed with the bottom supporting component (13) through a tension spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605685.7U CN219557839U (en) | 2023-03-24 | 2023-03-24 | Novel back sliding mechanism of rehabilitation bed chair wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605685.7U CN219557839U (en) | 2023-03-24 | 2023-03-24 | Novel back sliding mechanism of rehabilitation bed chair wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219557839U true CN219557839U (en) | 2023-08-22 |
Family
ID=87661341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320605685.7U Active CN219557839U (en) | 2023-03-24 | 2023-03-24 | Novel back sliding mechanism of rehabilitation bed chair wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219557839U (en) |
-
2023
- 2023-03-24 CN CN202320605685.7U patent/CN219557839U/en active Active
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