CN215535761U - Novel wheelchair-assisted stair climbing device - Google Patents
Novel wheelchair-assisted stair climbing device Download PDFInfo
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- CN215535761U CN215535761U CN202120723700.9U CN202120723700U CN215535761U CN 215535761 U CN215535761 U CN 215535761U CN 202120723700 U CN202120723700 U CN 202120723700U CN 215535761 U CN215535761 U CN 215535761U
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- 230000009194 climbing Effects 0.000 title description 4
- 230000009193 crawling Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a novel wheelchair auxiliary upstairs going device, which relates to the technical field of wheelchairs and comprises a chair body, a crawling mechanism and a control host, wherein an arm rod rotates around a shaft on a crawler frame, and a lever principle is utilized to drive a planet wheel to rotate, so that different configurations of the crawler are realized, the crawler can be better attached to the surface of a stair to crawl, the chair body is driven to crawl on the stair, upstairs and downstairs are realized, the ascending and descending stability is improved, the operation is convenient, and the safety sense is increased; the first gear, the second gear, the third gear, the fourth gear and the fifth gear are meshed with each other, so that the moving speed of the wheelchair is adjusted, and meanwhile, the stability is improved and the wheelchair is prevented from slipping through the operation of the crawler; through setting up the regulation grab handle, the position control that both hands can touch and operation wheelchair, the inconvenient user of body of being convenient for uses, has improved portability and security.
Description
Technical Field
The embodiment relates to the technical field of wheelchairs, in particular to a novel wheelchair assisting upstairs going device.
Background
With the increasing aging and the demand of caring for the disabled, the wheelchair is needed to be used, and the current technical application number is as follows: CN 01205624.3A wheelchair capable of going upstairs and downstairs, the bearing wheels can be quickly dismounted before going upstairs, and can be quickly and conveniently mounted on the wheelchair when a large bearing wheel is needed;
the gear rack and the corresponding mechanism are adopted, so that the rigidity is ensured, the box body moves up and down along the rack, and the transverse displacement or torsion between the box body and the rack is avoided, so that the reliability of the box body in working is superior to that of a soft cable pulley mechanism in the prior art, and the safety and the stability in use are greatly enhanced;
however, when a user with unchanged physical condition goes out alone, the bearing wheels are inconvenient to detach, the device moves backwards, when the user goes upstairs, if the front face of the user is upward, the user is easy to overturn the wheelchair, and if the rear face of the user is upward, the user is blocked in the visual field, and the user does not feel safe, so that the novel wheelchair auxiliary upstairs-going device is provided.
SUMMERY OF THE UTILITY MODEL
The embodiment aims to solve the defects in the prior art, and provides a novel wheelchair upstairs assisting device.
In order to achieve the above purpose, the following technical solutions are adopted in this embodiment:
a novel wheelchair-assisted upstairs going device comprises: the chair body, the crawling mechanism and the control host machine;
the left end and the right end of the chair body are respectively provided with a crawling mechanism capable of adjusting the angle and changing the torque direction in a clamping manner, and the bottom end of the chair body is connected with a control host machine in a threaded manner;
the chair body includes: the flower shaft, the adjusting grab handle and the switch grab handle;
the crawling mechanism comprises: the device comprises a driving wheel, a shaft hole, a crawler frame, a guide wheel, an arm rod, a planet wheel, a crawler and a spline shaft hole;
the control host includes: the device comprises a driving motor, a driving shaft I, a driving shaft II, a gear I, a gear II, a gear III, a gear IV, a gear V, a stepping motor and a rechargeable battery.
As a further description of the above technical solution: the chair body bilateral symmetry is equipped with the colored axle, adjust the grab handle through wire gomphosis at chair body right side handrail top, switch grab handle passes through wire gomphosis at chair body left side handrail top.
As a further description of the above technical solution: the left and right mirror symmetry of the front end of the crawling mechanism is provided with a driving wheel, the left and right mirror symmetry of the rear end of the crawling mechanism is provided with a guide wheel, and the left and right mirror symmetry of the top end of the crawling mechanism is provided with a planet wheel.
As a further description of the above technical solution: all be equipped with the shaft hole in the middle of drive wheel and leading wheel inboard, install the track frame between drive wheel and the leading wheel outside one end, be equipped with the armed lever between the centre of track frame outside one end and the planet wheel outside one end, and be equipped with the crank between armed lever and the planet wheel outside one end, drive wheel, leading wheel and planet wheel install the track, be equipped with the flower shaft hole in the middle of the inboard one end of planet wheel, the flower shaft hole cup joints with the flower shaft.
As a further description of the above technical solution: the left and right symmetrical mirror image of the front end in the control host is provided with a driving motor, one end of the outer side of the driving motor is provided with a first driving shaft, one end of the outer side of the first driving shaft is connected with a shaft hole of a driving wheel, the inside of the control host is movably connected with a rechargeable storage battery, and the rechargeable storage battery is located at the right end of the driving motor.
As a further description of the above technical solution: two fixed connection of drive shaft in the inboard one end of armed lever, and be located chargeable battery right-hand member, two inboard one end fixed connection of drive shaft are equipped with gear one, a gear bottom fixed connection is equipped with gear two, a gear right-hand member swing joint is equipped with gear three, three bottom fixed connection of gear is equipped with gear four, four right-hand member swing joint of gear are equipped with gear five, five outside one end of gear is equipped with step motor.
As a further description of the above technical solution: the rechargeable storage battery is electrically connected with the switch grab handle, the switch grab handle is electrically connected with the adjusting grab handle, the driving motor and the stepping motor, and the adjusting grab handle is electrically connected with the stepping motor.
Has the advantages that:
1. the armed lever is rotatory around the epaxial of track frame, utilizes lever principle to drive the planet wheel and rotates to realize the different configurations of track, make the laminating stair surface that the track can be better, crawl, drive the chair body and climb on stair and move, realize going upstairs and downstairs, improved the stability that rises and descend, make things convenient for the operation increase the sense of security simultaneously.
2. Through setting up intermeshing between gear one, gear two, gear three, gear four, the gear five, adjust wheelchair moving speed, through the track operation simultaneously, improve stability, prevent simultaneously to skid.
3. Through setting up the regulation grab handle, the position control that both hands can touch and operation wheelchair, the inconvenient user of body of being convenient for uses, has improved portability and security.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural diagram of the crawling mechanism in the present embodiment;
fig. 3 is a schematic top cross-sectional view of the control host in this embodiment.
Illustration of the drawings:
a chair body 1; a spline shaft 101; an adjustment grip 102; a switch grip 103; a crawling mechanism 2; a drive wheel 201; a shaft hole 202; a track frame 203; a guide wheel 204; an arm 205; a planet wheel 206; a crawler 207; a spline shaft hole 208; a control host 3; a drive motor 301; a first drive shaft 302; a second driving shaft 303; a first gear 304; a second gear 305; gear three 306; gear four 307; gear five 308; a stepping motor 309; the battery 310 may be charged.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present embodiment without any creative efforts belong to the protection scope of the present embodiment.
Referring to fig. 1-3, a novel wheelchair-assisted upstairs device comprises: the chair comprises a chair body 1, a crawling mechanism 2 and a control host 3;
the left end and the right end of the chair body 1 are respectively provided with a crawling mechanism 2 capable of adjusting the angle and changing the torque direction in a clamping manner, the bottom end of the chair body 1 is connected with a control host machine 3 in a threaded manner, and the control host machine 3 is used for driving the chair body 1 through the crawling mechanism 2, adjusting the angle and changing the torque direction;
the chair body 1 includes: a flower shaft 101, an adjusting handle 102 and a switch handle 103;
the creeping mechanism 2 includes: a driving wheel 201, a shaft hole 202, a track frame 203, a guide wheel 204, an arm 205, a planet wheel 206, a track 207 and a spline shaft hole 208;
the control host 3 includes: the device comprises a driving motor 301, a driving shaft I302, a driving shaft II 303, a gear I304, a gear II 305, a gear III 306, a gear IV 307, a gear V308, a stepping motor 309 and a rechargeable battery 310.
The chair body 1 is provided with flower shafts 101 in bilateral symmetry, the flower shafts 101 are conveniently connected with the crawling mechanism 2, the adjusting grab handles 102 are embedded at the top ends of handrails on the right side of the chair body 1 through wires, the adjusting grab handles 102 are used for adjusting the turning and climbing of the chair body 1, the switch grab handles 103 are embedded at the top ends of handrails on the left side of the chair body 1 through wires, and the switch grab handles 103 are used for driving the chair body 1 to walk.
The front end of the crawling mechanism 2 is provided with a driving wheel 201 in a left-right mirror symmetry mode, the driving wheel 201 is used for controlling the chair body 1 to walk, the rear end of the crawling mechanism 2 is provided with a guide wheel 204 in a left-right mirror symmetry mode, the guide wheel 204 controls the chair body 1 to turn, the top end of the crawling mechanism 2 is provided with a planet wheel 206 in a left-right mirror symmetry mode, and the planet wheel 206 controls climbing torque of the chair body 1.
The middle of the inner sides of the driving wheel 201 and the guide wheel 204 is provided with a shaft hole 202, the shaft hole 202 is used for being connected with the control host 3, a track frame 203 is installed between one end of the outer side of the driving wheel 201 and one end of the outer side of the guide wheel 204, the track frame 203 is used for installing a track 207, an arm 205 is arranged between the middle of one end of the outer side of the track frame 203 and one end of the outer side of the planet wheel 206, a crank is arranged between the arm 205 and one end of the outer side of the planet wheel 206, a chain wheel is arranged between the arm 205 and the rear end of the track frame 203, the arm 205 lifts the driving wheel 201 or the planet wheel 206 through the lever action of the crank, the driving wheel 201, the guide wheel 204 and the planet wheel 206 are provided with the track 207, the track 207 enables the movement to be more stable, a spline shaft hole 208 is arranged in the middle of one end of the inner side of the planet wheel 206, and the spline shaft hole 208 is sleeved with the spline shaft 101.
The front end inside the control host 3 is provided with a driving motor 301 which is arranged in a bilaterally symmetrical mirror image manner, one end outside the driving motor 301 drives a shaft I302, one end outside the shaft I302 is connected with a shaft hole 202 of a driving wheel 201, a rechargeable storage battery 310 is movably connected inside the control host 3, and the rechargeable storage battery 310 is positioned at the right end of the driving motor 301;
by controlling the switch handle 103, when the switch handle 103 swings back and forth, the two driving motors 301 have the same speed, and the guide wheel 204 and the planet wheel 206 drive the crawler 207 to move, so that the forward or backward movement is realized;
when the switch grab handle 103 swings left and right, the two driving motors 301 have different speeds, and the guide wheel 204 and the planet wheel 206 drive the crawler 207 to move, so that left and right steering movement is realized;
the second driving shaft 303 is fixedly connected to one end of the inner side of the arm rod 205 and is positioned at the right end of the rechargeable battery 310, one end of the inner side of the second driving shaft 303 is fixedly connected with a first gear 304, the bottom end of the first gear 304 is fixedly connected with a second gear 305, the right end of the first gear 304 is movably connected with a third gear 306, the bottom end of the third gear 306 is fixedly connected with a fourth gear 307, the right end of the fourth gear 307 is movably connected with a fifth gear 308, and one end of the outer side of the fifth gear 308 is provided with a stepping motor 309;
by operating the adjusting handle 102 to move back and forth, the stepping motor 309 drives the second driving shaft 303 to drive the arm 205 to rotate by meshing with the fourth gear 307 of the fifth gear 308, on the other hand, the sprocket at the rear end of the arm 205 is driven to rotate by meshing with the first gear 304, the second gear 305 and the third gear 306, the sprocket rotates by the track 207 through the crank on the arm 206 rotatably mounted by the arm 205, the teeth numbers of the first gear 304, the second gear 305, the third gear 306 and the fourth gear 307 are the same, so that the rotating speeds of the first gear 304 and the second gear 305 are the same, and the directions are opposite, and because the teeth numbers of the sprockets at the two ends of the track 207 are the same, when the stepping motor 309 works, the rotating angle of the arm 205 is the same as the absolute rotating angle of the crank, and the directions are opposite, the arm 205 rotates around the shaft on the track frame 203, the planet 206 is driven to rotate by using the lever principle, so that the track has different configurations, and the track 207 can better fit the stair surface, crawl, drive chair body 1 and climb on the stair and move, realize going upstairs and downstairs, improved the stability that rises and descend, the sense of security increases simultaneously in convenient operation.
The rechargeable storage battery 511 is electrically connected with the switch handle 103, the switch handle 103 is connected with a power supply of the rechargeable storage battery 511, the switch handle 103 is electrically connected with the adjusting handle 102, the driving motor 301 and the stepping motor 309, the switch handle 103 controls the working states of the adjusting handle 102, the driving motor 301 and the stepping motor 309, the adjusting handle 102 is electrically connected with the stepping motor 309, and the adjusting handle 102 controls the working state of the stepping motor 309.
The working principle is as follows: the driving motor 301 and the stepping motor 309 are electrified through the rechargeable storage battery 511, and the working states of the driving motor 301 and the stepping motor 309 are controlled through the adjusting grab handle 102 and the switch grab handle 103;
the switch handle 103 is touched to enable the driving motor 301 to drive the driving wheel 201 through the first gear shaft 302, so that the caterpillar track 207 rotates to link the guide wheel 204 and the planetary wheel 206 to move synchronously, and the first gear shaft 302, the second gear shaft 303 and the third gear shaft 306 are meshed with each other, so that the stability is improved, and meanwhile, the slippage is prevented;
when the adjustment handle 102 needs to be driven leftwards or rightwards, the adjustment handle 102 swings leftwards or rightwards, the gear shaft III 306 changes the torque direction through the differential 305, therefore, the reversing is carried out, when the adjustment handle 102 swings forwards or backwards when going upstairs or downstairs are needed, the stepping motor 309 receives a pulse signal, the arm rod 205 rotates on the track frame 203 through the key shaft 310, meanwhile, the arm rod 205 rotates on the planet wheel 206 through the crank, the driving wheel 201 or the planet wheel 206 is lifted up through the lever action, the ascending and descending stability is improved, the operation is convenient, and meanwhile, the safety sense is increased.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and concepts of the present embodiment are equivalent to, replaced by, or changed in the scope of the present invention.
Claims (4)
1. A novel wheelchair-assisted upstairs going device comprises: the chair comprises a chair body (1), a crawling mechanism (2) and a control host (3); the method is characterized in that: the chair body (1) left end and the equal joint of right-hand member are equipped with can angle regulation and change the mechanism (2) of crawling of moment of torsion direction, chair body (1) bottom threaded connection is equipped with main control system (3).
2. The novel wheelchair-assisted upstairs device as claimed in claim 1, wherein: the chair body (1) comprises a spline shaft (101), an adjusting grab handle (102) and a switch grab handle (103); the chair is characterized in that flower shafts (101) are symmetrically arranged on the left and right of the chair body (1), the adjusting grab handle (102) is embedded at the top end of the right side armrest of the chair body (1) through a conducting wire, and the switch grab handle (103) is embedded at the top end of the left side armrest of the chair body (1) through a conducting wire.
3. The novel wheelchair-assisted upstairs device as claimed in claim 1, wherein: the crawling mechanism (2) comprises a driving wheel (201), a shaft hole (202), a track frame (203), a guide wheel (204), an arm rod (205), a planet wheel (206), a track (207) and a spline shaft hole (208); the left and right mirror images of the front end of the crawling mechanism (2) are provided with driving wheels (201), the left and right mirror images of the rear end of the crawling mechanism (2) are provided with guide wheels (204), and the left and right mirror images of the top end of the crawling mechanism (2) are provided with planet wheels (206); all be equipped with shaft hole (202) in the middle of drive wheel (201) and leading wheel (204) inboard, install track frame (203) between drive wheel (201) and leading wheel (204) outside one end, be equipped with armed lever (205) between the centre of track frame (203) outside one end and planet wheel (206) outside one end, and be equipped with the crank between armed lever (205) and planet wheel (206) outside one end, track (207) are installed to drive wheel (201), leading wheel (204) and planet wheel (206), be equipped with in the middle of planet wheel (206) inboard one end shaft hole (208), shaft hole (208) cup joint with shaft flower (101).
4. The novel wheelchair-assisted upstairs device as claimed in claim 1, wherein: the control host (3) includes: the control system comprises a driving motor (301), a driving shaft I (302), a driving shaft II (303), a gear I (304), a gear II (305), a gear III (306), a gear IV (307), a gear V (308), a stepping motor (309) and a rechargeable storage battery (310), wherein the driving motor (301) is arranged at the left-right symmetrical mirror image of the front end in the control host (3), the driving shaft I (302) is arranged at one end of the outer side of the driving motor (301), one end of the outer side of the driving shaft I (302) is connected with a shaft hole (202) of a driving wheel (201), the rechargeable storage battery (310) is movably connected in the control host (3), and the rechargeable storage battery (310) is positioned at the right end of the driving motor (301); drive shaft two (303) fixed connection is in armed lever (205) inboard one end, and is located rechargeable battery (310) right-hand member, drive shaft two (303) inboard one end fixed connection is equipped with gear one (304), gear one (304) bottom fixed connection is equipped with gear two (305), gear one (304) right-hand member swing joint is equipped with gear three (306), gear three (306) bottom fixed connection is equipped with gear four (307), gear four (307) right-hand member swing joint is equipped with gear five (308), gear five (308) outside one end is equipped with step motor (309).
Priority Applications (1)
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CN202120723700.9U CN215535761U (en) | 2021-04-09 | 2021-04-09 | Novel wheelchair-assisted stair climbing device |
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CN202120723700.9U CN215535761U (en) | 2021-04-09 | 2021-04-09 | Novel wheelchair-assisted stair climbing device |
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CN215535761U true CN215535761U (en) | 2022-01-18 |
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CN202120723700.9U Expired - Fee Related CN215535761U (en) | 2021-04-09 | 2021-04-09 | Novel wheelchair-assisted stair climbing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116513330A (en) * | 2023-07-03 | 2023-08-01 | 电子科技大学成都学院 | Intelligent stair climbing robot |
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2021
- 2021-04-09 CN CN202120723700.9U patent/CN215535761U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116513330A (en) * | 2023-07-03 | 2023-08-01 | 电子科技大学成都学院 | Intelligent stair climbing robot |
CN116513330B (en) * | 2023-07-03 | 2023-08-29 | 电子科技大学成都学院 | Intelligent stair climbing robot |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |
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CF01 | Termination of patent right due to non-payment of annual fee |