CN215739996U - Backrest adjusting structure of wheelchair - Google Patents
Backrest adjusting structure of wheelchair Download PDFInfo
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- CN215739996U CN215739996U CN202122278670.8U CN202122278670U CN215739996U CN 215739996 U CN215739996 U CN 215739996U CN 202122278670 U CN202122278670 U CN 202122278670U CN 215739996 U CN215739996 U CN 215739996U
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- backrest
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to the technical field of wheelchairs, in particular to a backrest adjusting structure of a wheelchair, which comprises a backrest adjusting component arranged on a frame; the backrest adjusting component comprises a backrest hinged on the frame, and the backrest is hinged with the supporting tube; the supporting tube is provided with a plurality of adjusting holes, the adjusting holes are provided with adjusting members, and the adjusting members are clamped in the adjusting holes of the supporting tube through pull rod pins; the adjusting component is hinged with the frame; the backrest is hinged with a support rod, and an adjusting piece is arranged on the support rod to form a connecting rod mechanism; the backrest and the adjusting part are respectively hinged with the frame; the backrest is in a lying or standing state by utilizing the plurality of adjusting holes on the supporting rod, so that the backrest is convenient to sit up or lie down, and the backrest is greatly convenient for people with inconvenient bodies to use.
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to a backrest adjusting structure of a wheelchair.
Background
Wheelchairs are used as tool equipment for persons with mobility disabilities. The backrest of the traditional wheelchair adopts a fixed structure, the wheelchair can only be used as a chair, and the wheels of the wheelchair are utilized to realize the moving function. However, the people who are inconvenient to move feel tired and inconvenient to live because the people cannot lie flat for rest after sitting for a long time. Therefore, the design cost is less increased, namely the chair can be used as a chair, and the backrest can be used as a chair bed by lying down, which is the problem to be solved by the design.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the drawbacks and deficiencies of the prior art by providing a backrest adjustment structure for a wheelchair.
The utility model relates to a backrest adjusting structure of a wheelchair, which comprises a backrest adjusting component arranged on a frame;
the backrest adjusting component comprises a backrest hinged on the frame, and the backrest is hinged with the supporting tube; the supporting tube is provided with a plurality of adjusting holes, the adjusting holes are provided with adjusting members, and the adjusting members are clamped in the adjusting holes of the supporting tube through pull rod pins; the adjusting component is hinged with the frame.
Furthermore, the frame comprises a front vertical rod, the upper part and the lower part of the front vertical rod are respectively provided with an upper horizontal rod and a first reverse L-shaped rod, the upper horizontal rod is connected with the rear vertical rod, the first reverse L-shaped rod is connected with the rear horizontal rod, and the bottom end of the upper horizontal rod is arranged on the rear horizontal rod; and a second reverse L-shaped rod is arranged at the rear part of the rear horizontal rod.
Further, the shape of the adjusting hole is circular.
Furthermore, the adjusting component comprises a vertical tube, a horizontal short tube is arranged at the upper part of the front of the vertical tube, a longitudinal short tube is arranged at the front end of the horizontal short tube, and the longitudinal short tube and the horizontal short tube are in a vertical structure; the rear part of the vertical bobbin is a [ -shaped frame; the middle part of the back of the vertical tube is provided with a pin hole penetrating through the vertical tube, a pin cylinder is arranged on the pin hole, and a pull rod pin is clamped in the pin cylinder.
After adopting the structure, the utility model has the beneficial effects that: the utility model relates to a backrest adjusting structure of a wheelchair, which adopts a backrest hinged support rod, wherein an adjusting piece is arranged on the support rod to form a connecting rod mechanism; the backrest and the adjusting part are respectively hinged with the frame; the backrest is in a lying or standing state by utilizing the plurality of adjusting holes on the supporting rod, so that the backrest is convenient to sit up or lie down, and the backrest is greatly convenient for people with inconvenient bodies to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, and are not to be considered limiting of the utility model, in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of an adjustment member of the present invention;
FIG. 3 is a schematic perspective view of a tie rod pin according to the present invention;
FIG. 4 is a schematic view of the backrest of the present invention in a flat state;
FIG. 5 is a schematic view of the backrest of the present invention in an erected state;
description of reference numerals:
a frame-1; an upper horizontal bar-11; a front vertical bar-12; a reverse L-shaped bar I-13; a rear horizontal bar-14; a rear vertical rod-15; a reverse L-shaped bar II-16; a backrest adjustment assembly-2; a backrest-21; support tube-22; an adjusting hole-221; -a conditioning member-23; "[" shaped frame-231; a standpipe tube-232; horizontal short pipes-233; a longitudinal stub-234; pin barrel-235; a tie rod pin-24.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the backrest adjusting structure of a wheelchair according to the present embodiment includes a backrest adjusting assembly 2 mounted on a frame 1;
the backrest adjusting component 2 comprises a backrest 21 hinged on the frame 1, and the backrest 21 is hinged with a support pipe 22; a plurality of adjusting holes 221 are formed in the supporting tube 22, adjusting members 23 are arranged on the adjusting holes 221, and the adjusting members 23 are clamped in the adjusting holes 221 of the supporting tube 22 through pull rod pins 24; the adjustment member 23 is articulated to the frame 1.
Further, the frame 1 comprises a front vertical rod 12, an upper horizontal rod 11 and a first reverse L-shaped rod 13 are respectively arranged at the upper part and the lower part of the front vertical rod 12, the upper horizontal rod 11 is connected with a rear vertical rod 15, the first reverse L-shaped rod 13 is connected with a rear horizontal rod 14, and the bottom end of the upper horizontal rod 11 is arranged on the rear horizontal rod 14; the rear part of the rear horizontal rod 14 is provided with a second reverse L-shaped rod 16.
Further, the shape of the adjustment hole 221 is circular.
Further, the adjusting member 23 comprises a vertical tube 232, a horizontal short tube 233 is arranged at the upper part of the front surface of the vertical tube 232, a longitudinal short tube 234 is arranged at the front end of the horizontal short tube 233, and the longitudinal short tube 234 and the horizontal short tube 233 are in a vertical structure; a rear "[" -shaped frame 231 of the bobbin 232; the middle part of the back of the vertical tube 232 is provided with a pin hole penetrating through the vertical tube 232, a pin tube 235 is arranged on the pin hole, and a pull rod pin 24 is clamped in the pin tube 235.
The working principle of the design is as follows:
as shown in fig. 1-3, in the design, the frame 1 includes a front vertical rod 12, an upper horizontal rod 11 and a first reverse L-shaped rod 13 are respectively disposed on the upper portion and the lower portion of the front vertical rod 12, the upper horizontal rod 11 is connected with a rear vertical rod 15, the first reverse L-shaped rod 13 is connected with a rear horizontal rod 14, and the bottom end of the upper horizontal rod 11 is disposed on the rear horizontal rod 14; the rear part of the rear horizontal rod 14 is provided with a second reverse L-shaped rod 16.
Wherein: the top end of the rear vertical rod 15 is hinged with a backrest 21 of the backrest adjusting component 2; the second reverse L-shaped lever 16 is hinged to a short longitudinal pipe 234 of the adjusting member 23, and the short longitudinal pipe 234 is a pipe having open ends.
As shown in fig. 4, the structure of the backrest in a lying state is shown. When the backrest is used, the pull rod pin 24 is firstly pulled out, then the position of the adjusting hole 221 of the adjusting member 23 on the supporting tube 22 is moved, the proper adjusting hole 221 at the upper part of the supporting tube 22 is used according to the lying state of the backrest, and then the pull rod pin 24 is used for clamping connection.
Similarly, as shown in fig. 5, the structure of the back rest in the standing state is shown. When the backrest is used, the pull rod pin 24 needs to be pulled out, then the position of the adjusting hole 221 of the adjusting member 23 on the supporting tube 22 is moved, the proper adjusting hole 221 at the lower part of the supporting tube 22 is used according to the standing state of the backrest, and then the pull rod pin 24 is used for clamping. .
The design is based on the traditional wheelchair, the frame is slightly changed, and a set of backrest adjusting component is added, wherein the backrest adjusting component consists of a supporting rod, an adjusting component 23 and a backrest. The state of the supporting rod is controlled by a plurality of adjusting holes in the supporting rod through the adjusting members 23 at different positions of the supporting rod, so that the state of the backrest is controlled in a linkage mode. And because no electric mechanism is adopted, no power supply is needed, so that
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A backrest adjusting structure of a wheelchair is characterized in that: comprises a backrest adjusting component arranged on a frame; the backrest adjusting component comprises a backrest hinged on the frame, and the backrest is hinged with the supporting tube; the supporting tube is provided with a plurality of adjusting holes, the adjusting holes are provided with adjusting members, and the adjusting members are clamped in the adjusting holes of the supporting tube through pull rod pins; the adjusting component is hinged with the frame.
2. The backrest adjusting structure of a wheelchair as claimed in claim 1, wherein: the frame comprises a front vertical rod, the upper part and the lower part of the front vertical rod are respectively provided with an upper horizontal rod and a first reverse L-shaped rod, the upper horizontal rod is connected with the rear vertical rod, the first reverse L-shaped rod is connected with the rear horizontal rod, and the bottom end of the upper horizontal rod is arranged on the rear horizontal rod; and a second reverse L-shaped rod is arranged at the rear part of the rear horizontal rod.
3. The backrest adjusting structure of a wheelchair as claimed in claim 1, wherein: the shape of the adjusting hole is circular.
4. The backrest adjusting structure of a wheelchair as claimed in claim 1, wherein: the adjusting component comprises a vertical bobbin, the upper part of the front of the vertical bobbin is provided with a horizontal short tube, the front end of the horizontal short tube is provided with a longitudinal short tube, and the longitudinal short tube and the horizontal short tube are in a vertical structure; the rear part of the vertical bobbin is a [ -shaped frame; the middle part of the back of the vertical tube is provided with a pin hole penetrating through the vertical tube, a pin cylinder is arranged on the pin hole, and a pull rod pin is clamped in the pin cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278670.8U CN215739996U (en) | 2021-09-18 | 2021-09-18 | Backrest adjusting structure of wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278670.8U CN215739996U (en) | 2021-09-18 | 2021-09-18 | Backrest adjusting structure of wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215739996U true CN215739996U (en) | 2022-02-08 |
Family
ID=80089299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122278670.8U Active CN215739996U (en) | 2021-09-18 | 2021-09-18 | Backrest adjusting structure of wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215739996U (en) |
-
2021
- 2021-09-18 CN CN202122278670.8U patent/CN215739996U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230920 Address after: 528225 No. 21-3 Hongling Third Road, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Kaiyang Medical Equipment Co.,Ltd. Address before: 528000 one of 21 Hongling Third Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG KAIYANG MEDICAL TECHNOLOGY GROUP Co.,Ltd. |