CN221266490U - Wheelchair convenient for side-down chair - Google Patents
Wheelchair convenient for side-down chair Download PDFInfo
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- CN221266490U CN221266490U CN202322992565.XU CN202322992565U CN221266490U CN 221266490 U CN221266490 U CN 221266490U CN 202322992565 U CN202322992565 U CN 202322992565U CN 221266490 U CN221266490 U CN 221266490U
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- wheelchair
- frame
- armrest
- frame assembly
- facilitating
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- 239000006260 foam Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a wheelchair convenient for a side-down chair, which comprises a frame assembly and a cushion arranged on the frame assembly, wherein two sides of the frame assembly are rotationally connected with a pair of front guide wheels and a pair of motion wheels which are arranged front and back, two sides of the cushion are provided with wheelchair armrests, each wheelchair armrests comprises an armrest rod horizontally arranged at two sides of the cushion and a support rod connected at the rear end of each armrest rod, the lower end parts of the support rods are rotationally hinged on the frame assembly, the wheelchair armrests can be turned backwards along a hinge point serving as a central shaft and enable the armrest rods to avoid transverse spaces at the left side and the right side of a riding position, the wheelchair armrests on the wheelchair can be turned backwards and return to the transverse spaces at the left side and the right side of the riding position, a user can move downwards sideways, the wheelchair is not limited to the positive side and the wheelchair is improved, and the wheelchair is high in practicability.
Description
Technical Field
The utility model relates to the field of wheelchairs, in particular to a wheelchair convenient for a side-down chair.
Background
The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of the disabled persons and the mobility impaired persons for the wheelchair for riding instead of walk, but also is convenient for the family members to move and care the patients, so that the patients can exercise and participate in social activities by means of the wheelchair, and the prior art disclosed by the current wheelchair is as in Chinese patent literature, and has the following patent numbers: the utility model patent of CN202223399375.9 discloses an armrest structure applied to a wheelchair, which mainly comprises an armrest frame, a chair back frame and a chair seat frame, wherein one end of the armrest frame is fixedly connected to the chair back frame, the other end of the armrest frame is fixedly connected to the chair seat frame, the armrest frame in the prior art is fixedly arranged on the chair seat frame, so that a user can only move downwards from the positive side of the wheelchair, and when the user has special requirements to downwards chair from the side of the wheelchair, the user can be blocked by the armrest frame, so that the wheelchair has poor flexibility.
Disclosure of utility model
The utility model aims to solve the existing problems and provide a wheelchair which has a simple and reasonable structure and is convenient for a user to side down, and the wheelchair has the main function of withdrawing the transverse spaces at the left side and the right side of a sitting position, so that the user can side down the chair.
Wheelchair convenient to side down chair, including frame assembly and the cushion of setting on the frame assembly, the both sides of frame assembly rotate and be connected with a pair of front guide pulley and a pair of motion wheel that set up around, just the both sides of cushion are provided with wheelchair handrail, wheelchair handrail includes the grab rail of level setting in the cushion both sides and connects the bracing piece at the grab rail rear end, the lower tip of bracing piece rotates and articulates on the frame assembly, wheelchair handrail can be followed the pin joint and is the center pin and is overturned and make the grab rail dodge the transverse space of taking the position left and right sides.
The aim of the utility model can be also solved by adopting the following technical measures:
As a more specific scheme, the lower end part of the supporting rod is extended backwards to be used as a limiting block of a resistance arm, and the wheelchair armrest is limited and supported on the frame assembly through the limiting block, so that the backward-turned wheelchair armrest forms a prying bar structure used as a power arm.
As a further scheme, the support rod is formed by bending the rear end of the grab rail downwards, the support rod is arranged at the rear side of the frame assembly, and a 7-shaped structure is formed between the grab rail and the support rod.
As a further scheme, the bracing piece includes support pipe section and lower support pipe section, support pipe section by the outside of cushion towards the rear side slope setting of frame assembly, lower support pipe section is the perpendicular setting and arranges in the rear side of frame assembly, the lower tip rotation of lower support pipe section articulates on the frame assembly.
As a further scheme, the rear side of the frame assembly is connected with an armrest hinge seat, the armrest hinge seat is rotatably hinged with an armrest connecting sleeve, the limiting block is integrally connected to the armrest connecting sleeve, and the lower end part of the lower support pipe section is inserted into the armrest connecting sleeve and drives the limiting block to swing up and down through the armrest connecting sleeve.
As a further scheme, the support rod is connected with a support block, the support block is provided with a quick-release clamping opening, and the quick-release clamping opening is elastically clamped on the frame assembly after the wheelchair armrest turns forwards.
As a further scheme, the frame assembly comprises a left frame and a right frame, the left frame and the right frame are connected through a seat folding frame, the seat cushion is arranged on the seat folding frame, and the armrest hinge seat is assembled and connected to the right rear side of the left frame and the right frame.
As a further scheme, the frame assembly further comprises a backrest frame connected to the rear end sides of the left frame and the right frame, a guardrail rod is connected between the backrest frame and the left frame or the right frame, and the guardrail rod is of an arc-shaped structure protruding upwards.
As a further proposal, the moving wheel is rotatably connected with the left frame or the right frame through a wheel shaft, and the assembling height of the armrest hinge seat is lower than that of the backrest frame but higher than that of the wheel shaft of the moving wheel.
As a further proposal, the handrail rod is also sleeved with handrail foam.
The beneficial effects of the utility model are as follows:
According to the wheelchair convenient for the side-down chair, the wheelchair armrests on the wheelchair can be turned backwards, so that the transverse spaces at the left side and the right side of a sitting position can be reserved, a user can move down the chair side by side, the wheelchair is not limited to move down at the positive side, the flexibility of the wheelchair is improved, and the practicability is high.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is a schematic view of the wheelchair armrest of the present utility model.
Fig. 3 is a schematic rear view of the wheelchair according to the present utility model.
Fig. 4 is an exploded view of the wheelchair armrest according to the present utility model.
FIG. 5 is a schematic view of a frame assembly according to the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 to 5, a wheelchair convenient for a side-down chair comprises a frame assembly 1 and a cushion 2 arranged on the frame assembly 1, wherein two sides of the frame assembly 1 are rotationally connected with a pair of front guide wheels 3 and a pair of motion wheels 4 which are arranged front and back, two sides of the cushion 2 are provided with wheelchair armrests 5, each wheelchair armrest 5 comprises an armrest rod 6 horizontally arranged at two sides of the cushion 2 and a support rod 7 connected at the rear end of the armrest rod 6, the lower end part of the support rod 7 is rotationally hinged on the frame assembly 1, and the wheelchair armrests 5 can be flipped backwards along a hinge point serving as a central axis and enable the armrest rod 6 to avoid transverse spaces at the left side and the right side of a riding position; the wheelchair armrests on the wheelchair can be turned backwards, so that the transverse space on the left side and the right side of the riding position is reserved, a user can move downwards sideways, the wheelchair is not limited to moving downwards sideways, the flexibility of the wheelchair is improved, and the wheelchair is high in practicability.
The lower end part of the supporting rod 7 is extended backwards to be provided with a limiting block 81 serving as a resistance arm, the wheelchair armrest 5 is limited and supported on the frame assembly 1 through the limiting block 81, the backward-turned wheelchair armrest 5 forms a prying bar structure serving as a power arm, the structure can utilize the backward-turned wheelchair armrest 5 as the prying bar structure, the moving wheel 4 is used as a fulcrum, the front end side of the wheelchair is pryed up with smaller force through the lever principle, and after the front guide wheel 3 is lifted off the ground, the wheelchair can conveniently cross obstacles, and the operation is simple and easy.
The support rod 7 is formed by bending the rear end of the grab rail 6 downwards, the support rod 7 is arranged at the rear side of the frame assembly 1, and a 7-shaped structure is formed between the grab rail 6 and the support rod 7; the wheelchair armrest 5 with the structure ensures that the armrest rod 6 can be horizontally arranged at the left side and the right side of the cushion 2 when in use, and a 7-shaped structure is formed between the armrest rod 6 and the supporting rod 7 so as to be convenient for forming a moment arm effect, thus leading nursing staff to pry up the front end side of the wheelchair more easily.
The support rod 7 comprises an upper support pipe section 71 and a lower support pipe section 72, the upper support pipe section 71 is obliquely arranged from the outer side of the seat cushion 2 to the rear side of the frame assembly 1, the lower support pipe section 72 is vertically arranged and is arranged at the rear side of the frame assembly 1, and the lower end part of the lower support pipe section 72 is rotatably hinged on the frame assembly 1; this structure can make grab rail 6 can place the left and right sides outside of cushion 2, increases user's space of taking, and the other party guides the pin joint between bracing piece 7 and frame assembly 1 to the rear end side of frame assembly 1, prevents that the pin joint setting from causing the wheel tread needs increase of moving wheel 4 in order to reserve the space of pin joint in the position between frame assembly 1 and moving wheel 4.
The rear side of the frame assembly 1 is connected with a handrail hinging seat 9, the handrail hinging seat 9 is rotatably hinged with a handrail connecting sleeve 8, a limiting block 81 is integrally connected to the handrail connecting sleeve 8, and the lower end part of the lower support pipe section 72 is inserted into the handrail connecting sleeve 8 and drives the limiting block 81 to swing up and down through the handrail connecting sleeve 8; the limiting block 81 is integrally connected with the armrest connecting sleeve 8, so that the connection strength of the limiting block and the armrest connecting sleeve can be improved, and the limiting block 81 is prevented from being broken easily due to stress.
In addition, the limiting block 81 is in a triangular structure, the bottom surface of the limiting block is propped against the frame assembly 1, and the limiting block 81 mainly comprises a main body and a widened frame strip arranged along the outline of the main body, and the widened frame strip in the triangular structure can play a supporting role, so that the limiting block 81 is not easy to deform or bend or break.
The handrail hinging seat 9 is provided with a hinging clamping plate 91 at the opposite side, the hinging clamping plate 91 is provided with an outer hinging hole 92, the lower support pipe section 72 and the handrail connecting sleeve 8 are correspondingly provided with an inner hinging hole 93 in a penetrating manner through the outer hinging hole 92 and the inner hinging hole 93 through a pin 94, so that the lower end part of the lower support pipe section 72 is hinged on the handrail hinging seat 9; simple structure, it is convenient to assemble.
The frame assembly 1 comprises a left frame 11 and a right frame 12, wherein the left frame 11 and the right frame 12 are connected through a seat folding frame 13, the seat cushion 2 is arranged on the seat folding frame 13, and the armrest hinging seat 9 is assembled and connected to the right rear side of the left frame 11 and the right frame 12; the wheelchair can realize the folding function.
The frame assembly 1 further comprises a backrest frame 14 connected to the rear end sides of the left frame 11 and the right frame 12, a guardrail bar 15 is connected between the backrest frame 14 and the left frame 11 or the right frame 12, and the guardrail bar 15 is of an arc-shaped structure protruding upwards; the guard rail 15 can protect the user, and the guard rail 15 is of an arc-shaped structure, so that shielding to the left side and the right side of the cushion 2 is reduced, and the wheelchair is not hindered from the user to downwards descend the chair even if the guard rail 15 is arranged.
The support rod 7 is connected with a support block 16, the support block 16 is provided with a quick-release clamping opening 161, after the wheelchair armrest 5 is turned forwards, the quick-release clamping opening 161 is elastically clamped on the backrest frame 14, and the backrest frame 14 is clamped by the support block 16, so that the position of the wheelchair armrest 5 after being turned forwards can be maintained.
The moving wheel 4 is rotatably connected to the left frame 11 or the right frame 12 through an axle 41, and the assembling height of the armrest hinge seat 9 is lower than that of the backrest frame 14 and higher than that of the axle 41 of the moving wheel 4; the stress point between the wheelchair armrest 5 and the frame assembly 1 is arranged at or near the middle position of the frame assembly 1, so that the frame assembly 1 is easier to be stressed and the operation is simple.
The handrail rod 6 is also sleeved with handrail foam 10; the handrail foam 10 serves as a handrail pad to isolate the hand of the user from the handrail rod 6, and since the handrail rod 6 is made of a metal material, the direct contact is ice-cold, so that the use experience of the user can be improved through the handrail foam 10, and an anti-slip effect can be achieved when the handrail foam is used as a crow bar structure.
The present embodiment is not limited thereto. The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. Wheelchair convenient to side down chair, including frame assembly (1) and cushion (2) of setting on frame assembly (1), the both sides rotation of frame assembly (1) are connected with a pair of front guide pulley (3) and a pair of motion wheel (4) that set up around, just the both sides of cushion (2) are provided with wheelchair handrail (5), its characterized in that: the wheelchair armrest (5) comprises armrest rods (6) horizontally arranged on two sides of the seat cushion (2) and support rods (7) connected to the rear ends of the armrest rods (6), the lower ends of the support rods (7) are rotatably hinged to the frame assembly (1), and the wheelchair armrest (5) can turn backwards along a hinge point serving as a central shaft and enable the armrest rods (6) to avoid transverse spaces on the left side and the right side of a riding position.
2. Wheelchair for facilitating a side down chair according to claim 1, characterized in that: the lower end part of the supporting rod (7) is extended backwards to be used as a limiting block (81) of a resistance arm, and the wheelchair armrest (5) is limited and supported on the frame assembly (1) through the limiting block (81), so that the backward-turned wheelchair armrest (5) forms a prying bar structure used as a power arm.
3. Wheelchair for facilitating a side down chair according to claim 2, characterized in that: the support rod (7) is formed by bending the rear end of the grab rail (6) downwards, the support rod (7) is arranged at the rear side of the frame assembly (1), and a 7-shaped structure is formed between the grab rail (6) and the support rod (7).
4. A wheelchair for facilitating a side down chair according to claim 3, wherein: the support rod (7) comprises an upper support pipe section (71) and a lower support pipe section (72), wherein the upper support pipe section (71) is obliquely arranged from the outer side of the cushion (2) to the rear side of the frame assembly (1), the lower support pipe section (72) is vertically arranged and arranged at the rear side of the frame assembly (1), and the lower end part of the lower support pipe section (72) is rotationally hinged on the frame assembly (1).
5. The wheelchair for facilitating a side down chair of claim 4 wherein: the rear side of the frame assembly (1) is connected with an armrest hinge seat (9), the armrest hinge seat (9) is rotationally hinged with an armrest connecting sleeve (8), a limiting block (81) is integrally connected to the armrest connecting sleeve (8), and the lower end part of the lower support pipe section (72) is inserted into the armrest connecting sleeve (8) and drives the limiting block (81) to swing up and down through the armrest connecting sleeve (8).
6. Wheelchair for facilitating a side down chair according to claim 1, characterized in that: the wheelchair is characterized in that the support rod (7) is connected with a support block (16), a quick-release clamping opening (161) is formed in the support block (16), and after the wheelchair armrest (5) is turned forwards, the quick-release clamping opening (161) is elastically clamped on the frame assembly (1).
7. The wheelchair for facilitating a side down chair of claim 5 wherein: the frame assembly (1) comprises a left frame (11) and a right frame (12), the left frame (11) and the right frame (12) are connected through a seat folding frame (13), the seat cushion (2) is arranged on the seat folding frame (13), and the armrest hinge seat (9) is assembled and connected to the right rear side of the left frame (11) and the right frame (12).
8. The wheelchair for facilitating a side down chair of claim 7 wherein: the frame assembly (1) further comprises a backrest frame (14) connected to the rear end sides of the left frame (11) and the right frame (12), a guardrail bar (15) is connected between the backrest frame (14) and the left frame (11) or the right frame (12), and the guardrail bar (15) is of an upward-protruding arc-shaped structure.
9. The wheelchair for facilitating a side down chair of claim 8 wherein: the moving wheel (4) is rotatably connected to the left frame (11) or the right frame (12) through a wheel shaft (41), and the assembling height of the armrest hinge seat (9) is lower than that of the backrest frame (14) but higher than that of the wheel shaft (41) of the moving wheel (4).
10. Wheelchair for facilitating a side down chair according to claim 1, characterized in that: the handrail rod (6) is also sleeved with handrail foam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322992565.XU CN221266490U (en) | 2023-11-03 | 2023-11-03 | Wheelchair convenient for side-down chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322992565.XU CN221266490U (en) | 2023-11-03 | 2023-11-03 | Wheelchair convenient for side-down chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221266490U true CN221266490U (en) | 2024-07-05 |
Family
ID=91701481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322992565.XU Active CN221266490U (en) | 2023-11-03 | 2023-11-03 | Wheelchair convenient for side-down chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221266490U (en) |
-
2023
- 2023-11-03 CN CN202322992565.XU patent/CN221266490U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |