CN220158582U - Folding wheelchair - Google Patents
Folding wheelchair Download PDFInfo
- Publication number
- CN220158582U CN220158582U CN202321590898.3U CN202321590898U CN220158582U CN 220158582 U CN220158582 U CN 220158582U CN 202321590898 U CN202321590898 U CN 202321590898U CN 220158582 U CN220158582 U CN 220158582U
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- CN
- China
- Prior art keywords
- backboard
- hinged
- sliding cylinder
- bottom plate
- handed screw
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- 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.)
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- 230000033001 locomotion Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a folding wheelchair, which comprises a bottom plate and further comprises: the backboard component is used for adjusting the angle of the backboard; the backboard assembly comprises a backboard, a push rod and a first sliding cylinder, wherein the backboard is hinged with the backboard through a hinged support on the bottom board, the push rod is hinged with the backboard on the backboard, the other end of the push rod is hinged with the first sliding cylinder, the first sliding cylinder is in sliding connection with the bottom board through a groove on the bottom board, a screw rod is rotationally connected at the axial center of the first sliding cylinder, the screw rod is rotationally connected with the bottom board in the groove on the bottom board, a handrail is fixedly connected on the bottom board, and an anti-slip grip conforming to the curve of the hand of a human body is arranged on the handrail; according to the utility model, the back plate supporting angle can be adjusted at multiple angles, and the comfort of use is improved.
Description
Technical Field
The utility model belongs to the technical field of wheelchairs, and particularly relates to a folding wheelchair.
Background
The folding wheelchair is a riding-instead tool for special people such as disabled people, elderly and physically weak patients, medical clinical rehabilitation patients and the like, is widely applied because of being capable of being folded, convenient to carry and small in occupied space, but is easy to cause waist discomfort when a user uses the folding wheelchair for a long time, and the folding wheelchair capable of adjusting the angle of the back plate is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a folding wheelchair, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a folding wheelchair comprising a floor, further comprising: the backboard component is used for adjusting the angle of the backboard; the backboard assembly comprises a backboard, a push rod and a first sliding barrel, wherein the backboard is hinged with the bottom plate through a hinged support on the bottom plate, the push rod is hinged with the backboard on the backboard, the other end of the push rod is hinged with the first sliding barrel, and the first sliding barrel is in sliding connection with the bottom plate through a groove on the bottom plate.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
the technical scheme is as follows: the first sliding cylinder is characterized in that a screw rod is rotationally connected to the axial center of the first sliding cylinder, and the screw rod is rotationally connected with the bottom plate in a groove on the bottom plate.
The technical scheme is as follows: the bottom plate is fixedly connected with an armrest, and the armrest is provided with an anti-skid grip which accords with the curve of the hand of a human body.
The technical scheme is as follows: the bottom plate bottom fixedly connected with a plurality of pole setting, pole setting bottom rotates and is connected with the universal wheel.
The technical scheme is as follows: the upright rod is hinged with a pull rod, and the other end of the pull rod is hinged with the second sliding cylinder through a hinged support on the second sliding cylinder.
The technical scheme is as follows: the two second sliding drums are in sliding connection with the bottom plate in the groove of the bottom plate, and the left-handed screw rod and the right-handed screw rod are respectively in threaded connection with the shaft center of the two second sliding drums.
The technical scheme is as follows: one end of the left-handed screw rod is rotationally connected with the bottom plate, the other end of the left-handed screw rod is fixedly connected with the right-handed screw rod, and the other end of the right-handed screw rod is rotationally connected with the bottom plate.
Advantageous effects
The utility model provides a folding wheelchair, which has the following beneficial effects compared with the prior art:
when a user needs to adjust the back backup plate, the related technician controls the screw rod to start rotating, so that the screw rod drives the first sliding cylinder in threaded connection with the screw rod to start to do linear motion, the first sliding cylinder drives the ejector rod hinged with the first sliding cylinder to start synchronous motion, the ejector rod pulls the backboard hinged with the ejector rod to do circular motion by taking the hinged position of the backboard as a fulcrum, the back leaning angle of the user is adjusted, the use experience of the user is improved, when the device needs to be folded, the related technician controls the left-handed screw rod to start rotating, so that the left-handed screw rod drives the right-handed screw rod fixedly connected with the left-handed screw rod to synchronously rotate, the left-handed screw rod and the second sliding cylinder in threaded connection with the right-handed screw rod start to do linear opposite motion, the second sliding cylinder pulls the pull rod hinged on the second sliding cylinder to start synchronous motion, and the pull rod drives the upright rod hinged with the second sliding cylinder to synchronously move, so that the upright rod is hinged with the backboard to circularly move with the backboard, the upright rod is tightly attached to the baseplate, and the upright rod is folded.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model.
FIG. 3 is a schematic cross-sectional view of the present utility model.
Reference numerals annotate: the back plate assembly 2 comprises a bottom plate 101, a back plate assembly 2, a back plate 201, a push rod 202, a first sliding cylinder 203, a screw rod 204, an armrest 205, a vertical rod 206, a pull rod 207, a second sliding cylinder 208, a left-hand screw rod 209, a right-hand screw rod 301 and universal wheels 302.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 3, a foldable wheelchair according to an embodiment of the present utility model includes a base plate 101, and further includes:
a back plate assembly 2 for adjusting the back plate angle;
the backboard assembly 2 comprises a backboard 201, a top rod 202 and a first sliding cylinder 203, wherein the backboard 201 is hinged with the backboard 101 through a hinged support on the backboard 101, the top rod 202 is hinged with the backboard 201 on the backboard 201, the other end of the top rod 202 is hinged with the first sliding cylinder 203, and the first sliding cylinder 203 is in sliding connection with the backboard 101 through a groove on the backboard 101.
For the above example, it should be understood by those skilled in the art that the above technical solution is not limited to the specific backboard 201 described in the above embodiment, for example, the backboard 201 is provided with an arc-shaped pad which conforms to the back curve of the human body, and the arc-shaped pad is made of soft material, so that when the back of the user leans against the backboard 201, the waist of the user is supported by the arc-shaped pad, and the use feeling of the user can be increased; the handle for pushing the device is fixedly connected to the backboard 201, and the aim of the arrangement is to improve the stress point of the device, so that the device is prevented from being pushed to tip over.
Specifically, a screw rod 204 is rotatably connected to the axial center of the first sliding cylinder 203, and the screw rod 204 is rotatably connected to the bottom plate 101 in a groove on the bottom plate 101.
For the above example, it should be understood by those skilled in the art that the above technical solution is not limited to the specific screw 204 described in the above embodiment, for example, the screw 204 may be replaced by a reciprocating screw, and the purpose of this arrangement is to quickly change the moving direction of the slider by continuing to rotate the screw in the same direction when the first sliding cylinder 203 screwed thereon moves to one end.
Specifically, the bottom plate 101 is fixedly connected with an armrest 205, and the armrest 205 is provided with an anti-slip grip conforming to the curve of the hand of the human body.
For the above example, it should be understood by those skilled in the art that the technical solution described above is not limited to the specific handrail 205 described in the above embodiment, for example, the handrail 205 is provided with a fall-preventing restraint belt, and the purpose of this arrangement is to restrict the user in such a way as to prevent the user from falling when using the device by a patient with inconvenient movement.
Specifically, the bottom of the bottom plate 101 is fixedly connected with a plurality of vertical rods 206, and the bottom of the vertical rods 206 is rotatably connected with universal wheels 302.
For the above example, it should be understood by those skilled in the art that the technical solution is not limited to the specific universal wheel 302 described in the above embodiment, for example, the universal wheel 302 is provided with a self-locking structure, which is provided for the purpose of facilitating the fixing of the device and preventing the universal wheel 302 from rotating.
Specifically, the upright rod 206 is hinged with a pull rod 207, and the other end of the pull rod 207 is hinged with the second sliding cylinder 208 through a hinged support on the second sliding cylinder 208.
For the above example, it should be understood by those skilled in the art that the technical solution described above is not limited to the specific pull rod 207 described in the above embodiment, and for example, the pull rod 207 should be made of a hard material, and the purpose of this arrangement is to increase the rigidity thereof by selecting a hard material, so as to prevent the force fracture thereof.
Specifically, the two second sliding cylinders 208 are slidably connected with the bottom plate 101 in the groove of the bottom plate 101, and the axial centers of the two second sliding cylinders 208 are respectively in threaded connection with a left-handed screw 209 and a right-handed screw 301.
For the above example, it should be understood by those skilled in the art that the above technical solution is not limited to the specific left-handed screw 209 described in the above embodiment, for example, a transmission gear is fixedly connected to the left-handed screw 209, the transmission gear is meshed with an output gear of a motor, the motor is fixedly connected to the base plate 101, and the purpose of this arrangement is to drive the transmission gear meshed with the output gear by the motor to rotate synchronously, so that the transmission gear drives the left-handed screw 209 fixedly connected with the motor to start rotating.
Specifically, one end of the left-handed screw 209 is rotationally connected with the bottom plate 101, the other end of the left-handed screw 209 is fixedly connected with the right-handed screw 301, and the other end of the right-handed screw 301 is rotationally connected with the bottom plate 101.
For the above examples, those skilled in the art should appreciate that the implementation of the above technical solutions is not limited to the specific left-handed screw and right-handed screw described in the above embodiments, for example.
In the embodiment of the utility model, when a user needs to adjust the back leaning plate, the related technician controls the screw rod 204 to start rotating, so that the screw rod 204 drives the first sliding cylinder 203 connected with the screw rod 204 to start to do linear opposite movement, so that the first sliding cylinder 203 drives the push rod 202 hinged with the first sliding cylinder to start synchronous movement, so that the push rod 202 pulls the backboard 201 hinged with the push rod 202 to open to do circular movement with the hinged position of the backboard 101 as a fulcrum, thereby adjusting the back leaning angle of the user, increasing the use experience of the user, and when the device needs to be folded, the related technician controls the left-handed screw rod 209 to start rotating, so that the left-handed screw rod 209 drives the right-handed screw rod 301 fixedly connected with the left-handed screw rod 209 and the second sliding cylinder 208 connected with the right-handed screw rod 301 to start to do linear opposite movement, so that the second sliding cylinder 208 pulls the pull rod 207 hinged with the second sliding cylinder to start to synchronously move, so that the pull rod 207 drives the upright rod 206 hinged with the backboard 101 to do circular movement with the hinge, thus the upright 206 is in circular movement with the hinged position of the backboard 101, so that the upright 206 is tightly attached to the backboard 101, and the device is folded.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A folding wheelchair comprising a bottom plate, characterized in that it further comprises:
the backboard component is used for adjusting the angle of the backboard;
the backboard assembly comprises a backboard, a push rod and a first sliding cylinder, wherein the backboard is hinged with the backboard through a hinged support on a bottom plate, the push rod is hinged with the backboard on the backboard, the other end of the push rod is hinged with the first sliding cylinder, the first sliding cylinder is connected with the bottom plate in a sliding manner through a groove on the bottom plate, a plurality of vertical rods are fixedly connected to the bottom of the bottom plate, universal wheels are rotatably connected to the bottom of the vertical rods, a pull rod is hinged to the vertical rods, and the other end of the pull rod is hinged with the second sliding cylinder through a hinged support on the second sliding cylinder.
2. The folding wheelchair of claim 1 wherein a screw is rotatably connected to the first spool shaft and is rotatably connected to the base plate in a groove in the base plate.
3. The folding wheelchair of claim 1 wherein an armrest is fixedly connected to the base plate, and wherein an anti-slip grip conforming to the curve of the human hand is provided on the armrest.
4. The folding wheelchair of claim 1 wherein the two second slide barrels are slidably connected to the bottom plate in a groove of the bottom plate, and a left-handed screw and a right-handed screw are respectively screwed at the axes of the two second slide barrels.
5. The folding wheelchair of claim 4 wherein one end of the left-handed screw is rotatably connected to the base plate, the other end of the left-handed screw is fixedly connected to the right-handed screw, and the other end of the right-handed screw is rotatably connected to the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321590898.3U CN220158582U (en) | 2023-06-20 | 2023-06-20 | Folding wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321590898.3U CN220158582U (en) | 2023-06-20 | 2023-06-20 | Folding wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220158582U true CN220158582U (en) | 2023-12-12 |
Family
ID=89059339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321590898.3U Active CN220158582U (en) | 2023-06-20 | 2023-06-20 | Folding wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220158582U (en) |
-
2023
- 2023-06-20 CN CN202321590898.3U patent/CN220158582U/en active Active
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