CN214596230U - External armrest of wheelchair - Google Patents
External armrest of wheelchair Download PDFInfo
- Publication number
- CN214596230U CN214596230U CN202120283298.7U CN202120283298U CN214596230U CN 214596230 U CN214596230 U CN 214596230U CN 202120283298 U CN202120283298 U CN 202120283298U CN 214596230 U CN214596230 U CN 214596230U
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting rod
- wheelchair
- support rod
- handrail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Abstract
The utility model relates to the technical field of medical instruments, in particular to a wheelchair external armrest; the technical scheme is as follows: the utility model provides an external handrail of wheelchair, includes that the mirror image sets up two bracing pieces on the seat, and the bracing piece is equipped with the connecting rod at seat width direction's position variable, and the bracing piece central line is parallel with the connecting rod central line, and the position of connecting rod in wheelchair direction of height is variable, and the top of connecting rod is equipped with the handrail board. The utility model discloses a bracing piece and connecting rod sliding connection, bracing piece and seat sliding connection realize that the interval between handrail height-adjustable, two handrails is adjustable, can be used to the user of different weight or different types of body.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to external handrail of wheelchair.
Background
The wheelchair is a chair provided with wheels and capable of helping to replace walking, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair. The seat plate of a wheelchair is generally provided with armrests on both sides, by which the patient can stabilize the center of gravity or stand from the wheelchair. However, the two armrests of the existing wheelchair are fixed on the bracket of the wheelchair, the distance between the two armrests cannot be changed according to the body size of a patient, and for some obese patients, if the distance between the two armrests is too small, the patients feel crowded, and the comfort is reduced. In addition, the height of the existing handrail can not be adjusted, the handrail is very inconvenient for users with different body types, hands of some users are wounded, and the position of the handrail needs to be continuously adjusted within one day to avoid pressure sores.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides an external handrail of wheelchair has solved among the prior art the equal adjustable problem of interval between handrail height and two handrails.
The utility model discloses a following technical scheme realizes:
the utility model provides an external handrail of wheelchair, is including being used for with seat sliding connection's bracing piece, establishes sliding connection on the bracing piece and has the connecting rod, and the bracing piece central line is parallel with the connecting rod central line, and the top of connecting rod is equipped with the handrail board.
The utility model discloses a bracing piece and seat sliding connection for interval between two handrail boards is adjustable, and applicable user in different weight has good comfort. Through bracing piece and connecting rod sliding connection for the interval of the relative seat of handrail board is adjustable, and the user of different types of body uses very conveniently, can adjust handrail board height at any time according to the demand, avoids pressing the production of sore.
Further, in order to make the two armrest plates contact with the arms of the user, the central line of the support rod is perpendicular to the seat plate.
Further, in order to avoid that the connecting rod and the supporting rod slide relatively in the using process to change the distance between the handrail plate and the seat plate, the connecting rod is of a tubular structure, the connecting rod is sleeved on the supporting rod, and the connecting rod and the supporting rod are both provided with external threads used for being connected with the fixed pipe.
Further, in order to avoid the rotation of the connecting rod and the rotation of the handrail plate, the side wall of the supporting rod is provided with a limiting hole penetrating through the side wall of the supporting rod, and a limiting rod connected with the connecting rod is arranged in the limiting hole. The connecting rod is prevented from being separated from the supporting rod by the limiting rod sliding in the limiting hole.
Further, in order to avoid the connecting rod to rotate and lead to the handrail board to rotate, circumference is equipped with a plurality of guide ways on avoiding the outer wall of bracing piece, and the inner wall of connecting rod is equipped with the direction arch of embedding guide way.
Furthermore, in order to realize the sliding connection between the support rod and the seat plate, the support rod is L-shaped, the connecting rod is connected with the vertical end of the support rod, and the seat plate is connected with the horizontal end of the support rod.
Furthermore, the horizontal end of the supporting rod is provided with a sliding rail, and the seat plate is provided with a sliding chute in sliding fit with the sliding rail.
Furthermore, in order to adjust the two support rods simultaneously to change the distance between the two handrail plates, the bottom surface of the seat plate is provided with a fixed block, the fixed block is provided with a spiral through hole in spiral fit with the adjusting screw rod, the adjusting screw rod is connected with the horizontal end of the support rod through a transmission rod, and the two ends of the transmission rod are respectively in rotary connection with the adjusting screw rod and the horizontal end of the support rod. Meanwhile, the supporting rod is prevented from automatically sliding through the spiral matching of the adjusting screw rod and the fixing block.
Furthermore, in order to enable the sliding distances of the two support rods to be equal, the center line of the adjusting screw rod is superposed with the symmetrical center lines of the two handrail plates.
Furthermore, in order to facilitate the rotation of the adjusting screw rod, a rotating handle is arranged at one end of the adjusting screw rod, which is far away from the horizontal end of the supporting rod, and the rotating handle is positioned behind the seat plate.
The utility model has the advantages that:
1. the utility model has the advantages that the supporting rod is connected with the seat plate in a sliding way, the distance between the two handrail plates is adjustable, thereby not only meeting the comfort of users, but also being applicable to users with different weights, and improving the application range of the device;
2. the utility model discloses a bracing piece and connecting rod sliding connection, the interval of the relative seat of handrail board is adjustable, and handrail height-adjustable can be used to the user of different types of body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a bottom view of the present invention;
FIG. 3 is a schematic view of a limiting hole of the present invention;
fig. 4 is a schematic view of the guide groove of the present invention.
Reference numbers and corresponding part names in the drawings:
1-seat plate, 2-support rod, 201-limit hole, 202-guide groove, 3-connecting rod, 4-handrail plate, 5-fixing tube, 6-limit rod, 7-fixing block, 8-adjusting screw rod and 9-transmission rod.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
The utility model provides an external handrail of wheelchair, is including being used for with 1 sliding connection's of seat bracing piece 2, establishes sliding connection with connecting rod 3 on bracing piece 2, and 2 central lines of bracing piece are parallel with 3 central lines of connecting rod, and the top of connecting rod 3 is equipped with handrail board 4.
As shown in fig. 1, the support rod 2 is L-shaped, the connecting rod 3 is connected with the vertical end of the support rod 2, and the seat board 1 is connected with the horizontal end of the support rod 2. The vertical end of the support rod 2 is vertical to the seat plate 1, and the horizontal end of the support rod 2 is connected with the bottom surface of the seat plate 1 in a sliding way. Specifically, the horizontal end of the support rod 2 is provided with a slide rail, and the seat plate 1 is provided with a slide groove in sliding fit with the slide rail. In order to facilitate the sliding connection of the support rod 2 and the seat plate 1, a sliding rail with a T-shaped section is extended from the top of the horizontal end of the support rod 2, and the section of the sliding groove is matched with the sliding rail.
As shown in fig. 3, the connecting rod 3 is a tubular structure, the connecting rod 3 is sleeved on the supporting rod 2, and the connecting rod 3 and the supporting rod 2 are both provided with external threads for being connected with the fixed pipe 5. The lateral wall of the support rod 2 is provided with a limit hole 201 penetrating through the support rod, and a limit rod 6 connected with the connecting rod 3 is arranged in the limit hole 201. The connecting rod 3 can slide relative to the supporting rod 2, and the sliding of the connecting rod 3 is limited through the fixing pipe 5, so that the height of the handrail is adjusted.
As shown in fig. 2, a fixing block 7 is disposed on the bottom surface of the seat plate 1, the fixing block 7 is provided with a spiral through hole spirally matched with the adjusting screw 8, the adjusting screw 8 is connected with the horizontal end of the support rod 2 through a transmission rod 9, and two ends of the transmission rod 9 are respectively rotatably connected with the adjusting screw 8 and the horizontal end of the support rod 2. The central line of the adjusting screw 8 is superposed with the symmetrical central lines of the two handrail plates 4.
One end of the adjusting screw 8 is rotatably connected with the two transmission rods 9 to form a Y-shaped structure, and the adjusting screw 8 is positioned in the middle of the two handrail plates 4, so that the adjusting screw 8 can simultaneously control the two handrail plates 4 to be far away from or close to the seat plate 1, and the adjustable distance between the handrails is realized.
Further, as shown in fig. 2, a rotating handle is disposed at one end of the adjusting screw 8 away from the horizontal end of the supporting rod 2, and the rotating handle is located behind the seat board 1. The rotating handle is positioned at the rear part of the back plate of the wheelchair, so that the distance between the two armrests can be conveniently adjusted.
Example 2
As shown in fig. 4, based on embodiment 1, the outer wall of the support rod 2 is circumferentially provided with a plurality of guide grooves 202, and the inner wall of the connecting rod 3 is provided with guide protrusions embedded in the guide grooves.
The guide bulge is embedded into the guide groove 202, so that the positioning precision between the connecting rod 3 and the supporting rod 2 is further improved, the handrail plate 4 is greatly prevented from rotating, and the central line of the handrail plate 4 is not parallel to the central line of the seat plate 1.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an external handrail of wheelchair, its characterized in that, including be used for with seat (1) sliding connection's bracing piece (2), establish sliding connection on bracing piece (2) and have connecting rod (3), just bracing piece (2) central line is parallel with connecting rod (3) central line, the top of connecting rod (3) is equipped with handrail board (4).
2. The wheelchair outer armrest according to claim 1, wherein the center line of the support rod (2) is perpendicular to the seat plate (1).
3. The wheelchair outer handrail of claim 1, wherein the connecting rod (3) is of a tubular structure, the connecting rod (3) is sleeved on the supporting rod (2), and the connecting rod (3) and the supporting rod (2) are both provided with external threads for connecting with the fixing tube (5).
4. The external wheelchair armrest as claimed in claim 3, wherein the side wall of the support rod (2) is provided with a limiting hole (201) penetrating through the support rod, and a limiting rod (6) connected with the connecting rod (3) is arranged in the limiting hole (201).
5. The wheelchair outer handrail of claim 3, wherein the outer wall of the support rod (2) is provided with a plurality of guide grooves (202) in the circumferential direction, and the inner wall of the connecting rod (3) is provided with guide protrusions embedded in the guide grooves.
6. The external wheelchair armrest as claimed in any one of claims 2 to 5, wherein the support rod (2) is L-shaped, the connecting rod (3) is connected to the vertical end of the support rod (2), and the seat plate (1) is connected to the horizontal end of the support rod (2).
7. The external wheelchair armrest as claimed in claim 6, wherein the horizontal end of the support rod (2) is provided with a slide rail, and the seat plate (1) is provided with a slide groove in sliding fit with the slide rail.
8. The external wheelchair armrest as claimed in claim 7, wherein a fixing block (7) is arranged on the bottom of the seat plate (1), the fixing block (7) is provided with a spiral through hole spirally matched with the adjusting screw (8), the adjusting screw (8) is connected with the horizontal end of the support rod (2) through a transmission rod (9), and two ends of the transmission rod (9) are respectively rotatably connected with the adjusting screw (8) and the horizontal end of the support rod (2).
9. The external wheelchair armrest as claimed in claim 8, wherein a rotating handle is arranged at one end of the adjusting screw (8) far away from the horizontal end of the support rod (2), and the rotating handle is positioned behind the seat plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120283298.7U CN214596230U (en) | 2021-02-01 | 2021-02-01 | External armrest of wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120283298.7U CN214596230U (en) | 2021-02-01 | 2021-02-01 | External armrest of wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214596230U true CN214596230U (en) | 2021-11-05 |
Family
ID=78440089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120283298.7U Expired - Fee Related CN214596230U (en) | 2021-02-01 | 2021-02-01 | External armrest of wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214596230U (en) |
-
2021
- 2021-02-01 CN CN202120283298.7U patent/CN214596230U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |