CN219763784U - Manual wheelchair armrest supporting, locking and unlocking mechanism - Google Patents
Manual wheelchair armrest supporting, locking and unlocking mechanism Download PDFInfo
- Publication number
- CN219763784U CN219763784U CN202320459875.2U CN202320459875U CN219763784U CN 219763784 U CN219763784 U CN 219763784U CN 202320459875 U CN202320459875 U CN 202320459875U CN 219763784 U CN219763784 U CN 219763784U
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- block
- locking
- positioning seat
- rotating
- wheelchair
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Links
- 238000009434 installation Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model discloses a manual wheelchair armrest supporting, locking and opening mechanism which comprises a wheelchair main body and armrests, wherein a positioning seat is fixed on the wheelchair main body, an inserting block is arranged at the bottom end of each armrest, an inserting cavity for inserting the inserting block is arranged on each positioning seat, a locking mechanism for locking the inserting block is arranged on each positioning seat, each locking mechanism comprises an installation cavity which is arranged on each positioning seat and is communicated with each inserting cavity, a rotating block is arranged in each installation cavity, a rotating clamping block is arranged on each rotating block, and a bayonet for clamping the corresponding rotating clamping block is arranged on each inserting block; and one side of the rotary clamping block is provided with a guide slope which is vertically arranged. The utility model uses the rotary block to clamp the rotary clamping block into the bayonetThe locking and positioning work can be completed, when the locking work is released, the rotating block is rotated, the rotating clamping block is rotated into the mounting cavity, and the inserting block can be pulled out from the inserting cavity, so that the quick locking and positioning device is convenient to install and detach quickly 。
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to a manual wheelchair armrest supporting, locking and unlocking mechanism.
Background
The traditional electric wheelchair is formed by overlapping a power driving device, a controller, a battery and other parts on the basis of a manual wheelchair, and is formed by modification and upgrading, and the manual operation of the controller can drive the wheelchair to finish various functional operations such as forward movement, backward movement, steering, lying and the like, so that a convenient and quick action way is provided for the old and the disabled; the existing armrests and wheelchairs are fixed by adopting bolts in a disassembling mode or are welded integrally, so that the armrests and wheelchairs are inconvenient to install and disassemble quickly. Therefore, the improvement is made by us, and a hand wheelchair armrest supporting, locking and unlocking mechanism is proposed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a manual wheelchair armrest supporting, locking and opening mechanism which comprises a wheelchair main body and armrests, wherein a positioning seat is fixed on the wheelchair main body, an inserting block is arranged at the bottom end of each armrest, an inserting cavity for inserting the inserting block is arranged on each positioning seat, a locking mechanism for locking the inserting block is arranged on each positioning seat, each locking mechanism comprises an installation cavity which is arranged on each positioning seat and is communicated with each inserting cavity, a rotating block is arranged in each installation cavity, a rotating clamping block is arranged on each rotating block, and a bayonet for clamping the corresponding rotating clamping block is arranged on each inserting block; and one side of the rotary clamping block is provided with a guide slope which is vertically arranged.
As a preferable technical scheme of the utility model, the positioning seat is provided with an upper limiting block and a lower limiting block, the outer end part of the rotating block is provided with an end cover, and the end cover is provided with a stop block matched with the upper limiting block and the lower limiting block.
As a preferable technical scheme of the utility model, the side face of the positioning seat is provided with a base, wherein the base is fixed with the wheelchair main body through bolts.
As a preferable technical scheme of the utility model, the side surface of the positioning seat is provided with a base integrally formed.
As a preferable technical scheme of the utility model, the upper limiting block and the lower limiting block are provided with magnetic blocks, and the rotating block is provided with a metal iron block.
The beneficial effects of the utility model are as follows:
the manual wheelchair armrest supporting, locking and opening mechanism has the characteristics of being convenient to install and disassemble, the bayonet into which the rotary clamping block is clamped can be completely locked and positioned through the rotary rotating block, when the locking work is released, the rotary rotating block rotates, the rotary clamping block rotates into the installation cavity, and then the inserting block can be pulled out from the insertion cavity, so that the manual wheelchair armrest supporting, locking and opening mechanism is convenient to install and disassemble quickly.
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 a schematic view of a manual wheelchair armrest support lock and unlock mechanism of the present utility model;
FIG. 2 is a schematic view of a bayonet of a hand-propelled wheelchair armrest support lock and unlock mechanism of the present utility model;
fig. 3 is a state diagram of a rotary latch of a hand-operated wheelchair armrest supporting, locking and unlocking mechanism clamped into a bayonet.
In the figure: 1. a wheelchair main body; 2. an armrest; 3. a positioning seat; 4. a rotating block; 5. inserting a cavity; 6. a connecting frame; 7. an upper limiting block; 8. a lower limiting block; 9. a stop block; 10. rotating the clamping block; 11. a guiding slope; 13. a mounting cavity; 14. an end cap; 15. a bayonet; 16. a base; 17. a magnetic block; 18. a metal iron block.
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.
Examples: as shown in fig. 1-3, the hand wheelchair armrest supporting, locking and opening mechanism comprises a wheelchair main body 1 and an armrest 2, wherein a positioning seat 3 is fixed on the wheelchair main body 1, an inserting block 9 is arranged at the bottom end of the armrest 2, an inserting cavity 5 for inserting the inserting block 9 is arranged on the positioning seat 3, a locking mechanism for locking the inserting block 9 is arranged on the positioning seat 3, the locking mechanism comprises an installation cavity 13 which is arranged on the positioning seat 3 and is communicated with the inserting cavity 5, a rotating block 4 is arranged in the installation cavity 13, a rotating clamping block 100 is arranged on the rotating block 4, and a bayonet 15 for clamping a rotating clamping block 10 is arranged on the inserting block 9; and a guiding slope 11 is vertically arranged on one side of the rotary clamping block 100. The bayonet lock 15 that has the installation and dismantle convenient to, wherein will rotate the fixture block 100 card through rotating the turning block 4 and go into can complete locking location work, when releasing locking work, rotate the turning block 4, rotate the turning block 100 to the installation cavity 13 in, then can extract the plug from the plug cavity 5 to have the quick installation of being convenient for and dismantle.
The locating seat 3 is provided with an upper limiting block 7 and a lower limiting block 8, the outer end part of the rotating block 4 is provided with an end cover 14, and the end cover 14 is provided with a stop block 6 matched with the upper limiting block 7 and the lower limiting block 8, so that the rotating angle of the rotating block is conveniently limited, and the inserting block 9 and the locating seat 3 are conveniently disassembled and assembled.
The side of the positioning seat 3 is provided with a base 16, wherein the base 16 is fixed with the wheelchair main body 1 through bolts.
The side of the positioning seat 3 is provided with a base 16 which is integrally formed.
The upper limiting block 7 and the lower limiting block 8 are provided with magnetic blocks 17, and the rotating block 4 is provided with metal iron blocks 18, so that the positioning and anti-loosening effects are achieved.
Working principle: the bayonet lock 15 that has the installation and dismantle convenient to, wherein will rotate the fixture block 100 card through rotating the turning block 4 and go into can complete locking location work, when releasing locking work, rotate the turning block 4, rotate the turning block 100 to the installation cavity 13 in, then can extract the plug from the plug cavity 5 to have the quick installation of being convenient for and dismantle.
Finally, it should be noted that: the above 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 the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. 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 (5)
1. The utility model provides a manual wheelchair handrail supports locking opening mechanism which characterized in that: the wheelchair comprises a wheelchair main body (1) and armrests (2), wherein a positioning seat (3) is fixed on the wheelchair main body (1), an inserting block (9) is arranged at the bottom end of each armrest (2), an inserting cavity (5) for inserting the inserting block (9) is arranged on each positioning seat (3), a locking mechanism for locking the inserting block (9) is arranged on each positioning seat (3), the locking mechanism comprises an installation cavity (13) which is arranged on each positioning seat (3) and is communicated with the corresponding inserting cavity (5), a rotating block (4) is installed in each installation cavity (13), a rotating clamping block (10) is arranged on each rotating block (4), and a bayonet (15) for clamping the corresponding rotating clamping block (10) is arranged on each inserting block (9); and one side of the rotary clamping block (10) is provided with a guide slope (11) which is vertically arranged.
2. The manual wheelchair armrest supporting, locking and unlocking mechanism according to claim 1, wherein an upper limit block (7) and a lower limit block (8) are arranged on the positioning seat (3), an end cover (14) is arranged at the outer end part of the rotating block (4), and a stop block (6) matched with the upper limit block (7) and the lower limit block (8) is arranged on the end cover (14).
3. A manual wheelchair armrest support locking and unlocking mechanism according to claim 1, characterized in that the side of the positioning seat (3) is provided with a base (16), wherein the base (16) is fastened to the wheelchair body (1) via bolts.
4. A manual wheelchair armrest support locking and unlocking mechanism according to claim 3, characterized in that the side of the positioning seat (3) is provided with a base (16) which is integrally formed.
5. A manual wheelchair armrest support locking and unlocking mechanism according to claim 2, characterized in that the upper limit block (7) and the lower limit block (8) are provided with magnetic blocks (17), and the rotating block (4) is provided with a metal iron block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320459875.2U CN219763784U (en) | 2023-03-13 | 2023-03-13 | Manual wheelchair armrest supporting, locking and unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320459875.2U CN219763784U (en) | 2023-03-13 | 2023-03-13 | Manual wheelchair armrest supporting, locking and unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219763784U true CN219763784U (en) | 2023-09-29 |
Family
ID=88133233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320459875.2U Active CN219763784U (en) | 2023-03-13 | 2023-03-13 | Manual wheelchair armrest supporting, locking and unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219763784U (en) |
-
2023
- 2023-03-13 CN CN202320459875.2U patent/CN219763784U/en active Active
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| GR01 | Patent grant | ||
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