CN220158584U - Wheelchair gear device of portable step of going up - Google Patents
Wheelchair gear device of portable step of going up Download PDFInfo
- Publication number
- CN220158584U CN220158584U CN202223251790.XU CN202223251790U CN220158584U CN 220158584 U CN220158584 U CN 220158584U CN 202223251790 U CN202223251790 U CN 202223251790U CN 220158584 U CN220158584 U CN 220158584U
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- Prior art keywords
- wheelchair
- cylinder
- wheel
- connecting shaft
- left cylinder
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- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a portable wheelchair gear device capable of ascending steps, which comprises a left cylinder control button, a left cylinder ventilation pipe, a left cylinder, a cylinder base end support, a cylinder extending end support, a planet wheel support, a center wheel, a planet carrier, a wheelchair connecting shaft and a left wheelchair tire, wherein the left cylinder control button is arranged on the left cylinder; the left cylinder is connected with a left cylinder control button through a left cylinder ventilation air pipe, a cylinder base end support fixes a cylinder of the left cylinder on a wheelchair connecting shaft, a cylinder extending end support is connected with a cylinder rod of the left cylinder and the lower end of a planet wheel support, the upper end and the lower end of the planet wheel support are respectively connected with a planet wheel and a left cylinder extending end, a center wheel is connected with the wheelchair connecting shaft, the planet wheel is connected with a planet carrier in a meshed manner and the center wheel, and the planet carrier is connected with a tire rotating shaft to drive the planet carrier to axially rotate. According to the wheelchair, the whole rotation height of the wheelchair can be adjusted by adjusting the cylinder control button, and the wheelchair is convenient to use.
Description
Technical Field
The utility model relates to a portable wheelchair gear device capable of ascending steps, and belongs to the technical field of wheelchairs.
Background
Wheelchair types in the market at present are many, have folding type, climb building type etc. and provide convenience for the inconvenient people of health action, but whichever type wheelchair can't stride the higher step on the road, perhaps hardly keep balance when climbing the step, probably meet the danger that the wheelchair tumbles because the focus is unstable.
Many old people have reduced physical fitness along with the increase of age, walk and become tired after a while, the old people need to breathe fresh air by taking the old with the wheelchair for young children and relatives, and the wheelchair needs to have the functions of convenience, convenience in operation and the like, so that users living in an elevator building can travel conveniently.
The common wheelchair is characterized in that the lever is stepped on by feet, the whole wheelchair is lifted up by utilizing the lever principle, larger force is required to be applied by the method, when a wheelchair pushing person steps on the lever by one foot, the gravity center of the wheelchair pushing person is stabilized by only one foot, meanwhile, the gravity center of the wheelchair sitting person is stabilized, the requirement on the wheelchair pushing person is larger, and if the wheelchair pushing person falls down carelessly, a new function is required to be added to the conventional common wheelchair, so that the problem is solved.
Disclosure of Invention
The utility model aims to provide a button control to solve the difficulty of the existing wheelchair in ascending steps caused by gravity center.
In order to achieve the above purpose, the utility model provides a portable wheelchair gear device with a step, which comprises a left cylinder control button, a left cylinder ventilation pipe, a left cylinder, a cylinder base end bracket, a cylinder extension end bracket, a planet wheel bracket, a center wheel, a planet carrier, a wheelchair connecting shaft and a left wheelchair tire; the left side cylinder button is pressed down, and the cylinder pole of left side cylinder stretches out, drives centre round, planet wheel, planet carrier, left side wheel chair tire left side and removes, and the centre round is equipped with five keyways and conveniently cooperatees with the connecting axle flat key above the wheelchair connecting axle, when left side tire clockwise rotation, the planet wheel clockwise rotation drives the anticlockwise rotation of centre round, connecting axle flat key and centre round on the wheelchair connecting axle make its wheelchair connecting axle realize anticlockwise rotation, drive the anticlockwise rotation of whole wheelchair, upward perk.
Through adopting above-mentioned technical scheme, left side cylinder is connected with left side cylinder control button through left side cylinder ventilation pipe, and the extension and the withdrawal of the cylinder pole of button steerable cylinder.
Through adopting above-mentioned technical scheme, cylinder base end support and left cylinder bottom with threaded connection, adjustable installation length, cylinder base end support welding are above the wheelchair connecting axle, restrict the axial displacement above the wheelchair connecting axle to form contained angle 45 with ground, cylinder stretch out end support and left cylinder's cylinder pole with threaded connection, adjustable installation angle.
Through adopting above-mentioned technical scheme, planet wheel support upper end and planet wheel shaft hole cooperation, lower extreme and wheelchair connection shaft hole axle cooperation, lower extreme also stretch out end support shaft hole cooperation with the cylinder, can realize the linkage, center wheel and planet wheel external engagement, planet wheel and planet carrier internal engagement.
Through adopting above-mentioned technical scheme, planet carrier and the center pin welded connection of wheelchair tire to the rotation of tire drives the rotation of wheelchair connecting axle, realizes the holistic upwarp of wheelchair.
By adopting the technical scheme, the protruding flat key is arranged on the wheelchair connecting shaft and is matched with the central wheel, so that the two rotating shafts do not rotate relatively.
Drawings
FIG. 1 is a schematic view of a portable stepped wheelchair gear arrangement of the present utility model.
Fig. 2 is a schematic view of the gear mechanism of the present utility model.
Figure 3 is a front view of a portable stepped wheelchair gear arrangement of the present utility model.
Fig. 4 is a partial view of a gear mechanism of a portable stepped wheelchair gear arrangement of the present utility model.
Fig. 5 is a cross-sectional view of the wheelchair connection of the present utility model with a center wheel.
In the figure: 1. left cylinder control button; 2. left cylinder ventilation pipe; 3. a left cylinder; 4. a cylinder base end bracket; 5. the cylinder extends out of the end bracket; 6. a planet wheel support; 7. a center wheel; 8. a planet wheel; 9. a planet carrier; 10. a wheelchair connecting shaft; 11. left side wheel chair tire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-5, the left cylinder button 1 is connected with the left cylinder ventilation air pipe 2, when the button is pressed, the ventilation process of the air pipe is realized, the other end of the air pipe is connected with the left cylinder 3, and the button can control the cylinder rod of the cylinder to be in a retracted or extended state at any time.
Furthermore, one end of the cylinder base end support 4 is connected with the left cylinder 3 in a threaded pair mode, the other end of the cylinder base end support is connected with the wheelchair connecting shaft 10 in a welding mode, the cylinder base end support 4 is kept at 45 degrees with the horizontal direction, and the cylinder base end support does not slide relatively in the axis direction of the wheelchair connecting rod 10, so that the position fixed installation of the bottom of the cylinder relative to the wheelchair can be ensured.
Furthermore, one end of the cylinder extending end support 5 is connected with a cylinder rod of the left cylinder 3 through a screw pair, the position can be transversely adjusted, the other end of the cylinder extending end support is connected with the planet wheel support 6 through a hole shaft, and the cylinder rod drives the cylinder extending end support 5 and the planet wheel support 6 to transversely move leftwards and rightwards when extending or retracting respectively.
Furthermore, one end of the planet wheel support 6 is connected with the planet wheel 8 in a shaft hole mode, the two shafts can relatively rotate to play a role in supporting the planet wheel 8, and the other end of the planet wheel support 6 is connected with the wheelchair connecting shaft 10 in a shaft hole mode, so that the planet wheel 8 revolves around the axis of the wheelchair connecting shaft 10.
Furthermore, the center wheel 7 and the wheelchair connecting shaft 10 are coaxial, when the cylinder rod of the left cylinder 3 is retracted, the center wheel 7 rotates along the axis of the wheelchair connecting shaft 10, when the cylinder rod of the left cylinder 3 is extended, a key slot on the center wheel 7 is matched with a protruding flat key on the wheelchair connecting shaft 10, under the matching of the flat key, the center wheel 7 and the wheelchair connecting shaft 10 do not rotate relatively, and the rotation of the center wheel 7 drives the rotation of the wheelchair connecting shaft 10, so that the wheelchair is wholly tilted upwards, and can easily cross an obstacle or go up a step at the moment.
Furthermore, the planet wheel 8 is internally meshed with the planet carrier 9, the planet wheel 8 is externally meshed with the central wheel 7, when the planet carrier 9 rotates clockwise, namely the wheelchair pushes forwards in the extending state of the cylinder rod of the left cylinder 3, the planet wheel 8 rotates clockwise, the central wheel 7 rotates anticlockwise to drive the wheelchair connecting shaft to rotate anticlockwise, and the wheelchair realizes integral anticlockwise rotation.
Claims (6)
1. The utility model provides a wheelchair gear device of portable step of going up which characterized in that: the wheelchair comprises a left cylinder control button (1), a left cylinder ventilation pipe (2), a left cylinder (3), a cylinder base end support (4), a cylinder extending end support (5), a planet wheel support (6), a center wheel (7), a planet wheel (8), a planet carrier (9), a wheelchair connecting shaft (10) and a left wheelchair tire (11); the left cylinder control button (1) is pressed down, the cylinder rod of the left cylinder (3) stretches out to drive the center wheel (7), the planet wheel (8), the planet carrier (9) and the left wheel chair tire (11) to move leftwards, the center wheel (7) is provided with five key grooves to be convenient to be matched with a connecting shaft flat key on the wheelchair connecting shaft (10), when the left wheel chair tire (11) rotates clockwise, the planet wheel (8) rotates clockwise to drive the center wheel (7) to rotate anticlockwise, and the connecting shaft flat key on the wheelchair connecting shaft (10) is connected with the center wheel (7) to enable the wheelchair connecting shaft to rotate anticlockwise to drive the whole wheelchair to rotate anticlockwise and tilt upwards.
2. A portable step up wheelchair gear arrangement as claimed in claim 1, wherein: the left cylinder (3) is connected with the left cylinder control button (1) through the left cylinder ventilation air pipe (2), and the left cylinder control button (1) can control the extension and retraction of a cylinder rod of the left cylinder (3).
3. A portable step up wheelchair gear arrangement as claimed in claim 1, wherein: the cylinder base end support (4) is in threaded connection with the bottom end of the left cylinder (3), the installation length can be adjusted, the cylinder base end support (4) is welded on the wheelchair connecting shaft (10), the axial movement on the wheelchair connecting shaft (10) is limited, an included angle of 45 degrees is formed between the cylinder base end support and the ground, the cylinder extension end support (5) is in threaded connection with a cylinder rod of the left cylinder (3), and the installation angle can be adjusted.
4. A portable step up wheelchair gear arrangement as claimed in claim 1, wherein: the upper end of the planet wheel support (6) is matched with a planet wheel (8) shaft hole, the lower end of the planet wheel support is matched with a wheelchair connecting shaft (10) shaft hole, the lower end of the planet wheel support is also matched with a cylinder extending end support (5) shaft hole, linkage can be achieved, the center wheel (7) is externally meshed with the planet wheel (8), and the planet wheel (8) is internally meshed with the planet carrier (9).
5. A portable step up wheelchair gear arrangement as claimed in claim 1, wherein: the planet carrier (9) is welded with the central shaft of the left wheel chair tire (11), and the wheel chair connecting shaft is driven to rotate by the rotation of the tire, so that the whole upward tilting of the wheel chair is realized.
6. A portable step up wheelchair gear arrangement as claimed in claim 1, wherein: the wheelchair connecting shaft (10) is provided with a protruding flat key which is matched with the central wheel (7) so that the two rotating shafts do not rotate relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223251790.XU CN220158584U (en) | 2022-12-06 | 2022-12-06 | Wheelchair gear device of portable step of going up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223251790.XU CN220158584U (en) | 2022-12-06 | 2022-12-06 | Wheelchair gear device of portable step of going up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220158584U true CN220158584U (en) | 2023-12-12 |
Family
ID=89057472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223251790.XU Active CN220158584U (en) | 2022-12-06 | 2022-12-06 | Wheelchair gear device of portable step of going up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220158584U (en) |
-
2022
- 2022-12-06 CN CN202223251790.XU patent/CN220158584U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |