CN211535237U - Rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism - Google Patents
Rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism Download PDFInfo
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- CN211535237U CN211535237U CN201920899686.0U CN201920899686U CN211535237U CN 211535237 U CN211535237 U CN 211535237U CN 201920899686 U CN201920899686 U CN 201920899686U CN 211535237 U CN211535237 U CN 211535237U
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Abstract
The utility model discloses a rotatable flexible supplementary mechanism of visiting way more, including the wheel body, leg board rotating assembly, running-board rotating assembly and the subassembly of visiting, leg board bottom symmetry is fixed with two slide rails, drive unit drives the leg board through twisting the drive shaft and rotates around rotary joint, two body of rod difference sliding connection are on the slide rail, the inboard that two body of rod one end are relative is provided with first nut connecting seat, be equipped with first ball nut on the first nut connecting seat, the screw internal gearing of first ball nut has first ball, first ball one end links to each other with first motor after passing first inner bearing frame, the other end is arranged in first outer bearing frame. The utility model discloses well leg board and the equal rotatable adjustment of running-board can effectively improve the wheelchair and use the travelling comfort, when exploring the way and hinder more, explore the subassembly and can outwards stretch out the wheel along the leg board plane, realize safe obstacle more. The utility model is suitable for being widely applied in wheelchairs.
Description
Technical Field
The utility model belongs to the technical field of the wheelchair technique and specifically relates to a rotatable flexible supplementary road wheel mechanism that hinders more.
Background
In order to solve the moving problem of people who are inconvenient to move, people use the wheelchair. At present, most of the conventional road detection wheel structures of the wheel chairs capable of realizing obstacle crossing are complex in structure, inconvenient to move and poor in structural stability.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a rotatable flexible supplementary road wheel mechanism that hinders more, can solve the above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism comprises wheel bodies, leg plate rotating assemblies and probing assemblies, wherein the two wheel bodies are rotatably connected with a connecting rod, the connecting rod and two rod bodies arranged in parallel form a wheel carrier, the leg plate rotating assembly comprises a leg plate, a driving unit, a sliding rail, a linear guide post, a connecting plate and a torsion driving shaft, the bottom of the leg plate is symmetrically fixed with two slide rails, the left end and the right end of the leg plate are vertically and fixedly connected with the linear guide posts, one end of the linear guide post, which is far away from the wheel body, is fixedly connected with the connecting plate, the connecting plate is vertical to the leg plate and the linear guide post, one side of the connecting plate, which is far away from the wheel body, is connected with the torsion driving shaft, the torsion driving shaft is fixedly connected with the leg plate, the driving unit drives the leg plate to rotate around the rotary joint through the torsion driving shaft; the extending assembly comprises a first nut connecting seat, a first ball screw nut, a first ball screw, a first inner bearing seat, a first motor and a first outer bearing seat, the rod bodies are connected to the slide rail in a sliding mode respectively, the rod bodies are kept away from the inner side, opposite to one end of the wheel body, the first nut connecting seat is provided with the first ball screw nut, the first ball screw nut is engaged with a screw hole of the first ball screw nut, one end of the first ball screw penetrates through the first inner bearing seat, the first motor is connected with the first inner bearing seat through a coupler, and the other end of the first ball screw nut is arranged in the first outer bearing seat.
The pedal rotating assembly comprises a pedal, a second ball screw nut, a second inner bearing seat, a second motor, a second outer bearing seat, a pedal connecting plate, a pedal fixing end, a pedal rotating push rod and a pedal rotating shaft, wherein the second ball screw is arranged between the two first ball screws, one end of the second ball screw penetrates through the second ball screw nut and the second inner bearing seat and then is connected with the second motor through a coupler, the other end of the second ball screw is arranged in the second outer bearing seat, the second outer bearing seat is fixedly connected on the leg plate, two ends of the pedal rotating shaft are respectively fixed on the end surfaces of the two linear guide columns, the pedal fixing end is arranged in a hollow mode and sleeved outside the pedal rotating shaft, and the pedal connecting plate is symmetrically and fixedly connected on two sides of the pedal fixing end, the pedal connecting plate is provided with a through hole, the pedal rotating push rods are symmetrically provided with two ends, one end of each of the two ends is connected with the pedal connecting plate through a hinge, the other end of each of the two ends is hinged to the left end portion or the right end portion of the second rolling screw nut, and the two ends of the pedal rotating shaft extend out of the pedal fixing end.
As another limitation, the fixed end of the pedal is a circular tube.
As another limitation, the first motor and the second motor are both stepper motors.
As a further limitation, the wheel body is an inflation wheel and is provided with an inflation port, and the inflation port is provided with an air pressure sensor.
As another limitation, the wheel body is a wheel hub motor driving wheel.
As another limitation, a leg pad is fixed to the leg plate.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in:
(1) the rotatable telescopic auxiliary obstacle crossing route probing wheel mechanism of the utility model is provided with the leg plate rotating component, and after an obstacle is met, the leg plate rotating component can drive the rotating leg plate to rotate to the horizontal position;
(2) the rotatable telescopic auxiliary obstacle crossing route exploring wheel mechanism of the utility model is provided with the pedal plate rotating component, and the pedal plate rotating mechanism can correspondingly rotate and adjust the pedal plate to the comfortable position of a rider according to the system command, thereby effectively improving the use comfort of the wheelchair;
(3) the utility model discloses a rotatable flexible supplementary mechanism of hindering more exploring way is through setting up the component of exploring, when the obstacle is surmounted in the exploration way, the component of exploring can stretch out the wheel body along the leg board plane outwards, when the wheel body stretches out the contact ground outwards, the air pressure sensor feedback wheel pressure change signal of wheel body, the system assigns the order action and accomplishes, each motor stop operation and band-type brake for each mechanism is in stable quiescent condition, realizes safely surmounting the obstacle;
(4) the utility model discloses a rotatable flexible supplementary road wheel mechanism that hinders more meets the obstacle after, the rotatory leg board of leg board rotating assembly, make the leg board rotatory to horizontal position, running-board rotating assembly is according to the corresponding rotatory adjustment running-board of system command to the comfortable position of person of taking simultaneously, after crossing the obstacle, leg board rotating assembly is rotatory downwards, adjustment leg board position, it makes the wheel body outwards stretch out until wheel body contact ground back to visit the subassembly simultaneously, the pressure sensor feedback wheel of wheel body presses the change signal, the instruction action is accomplished under the system, each motor stall and band-type brake, make each mechanism be in stable quiescent condition.
To sum up, the utility model discloses well leg board and the equal rotatable adjustment of running-board can effectively improve the wheelchair and use the travelling comfort, when exploring the way and surmounting the obstacle, explore the subassembly and can outwards stretch out the wheel along the leg board plane, realize safely surmounting the obstacle. The utility model is suitable for being widely applied in wheelchairs.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a rotatable retractable auxiliary obstacle crossing wheel mechanism according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the direction a in fig. 1.
In the figure: 1. a wheel body; 2. a wheel carrier; 3. a slide rail; 4. a leg pad; 5. a leg plate; 6. a first nut connecting seat; 7. a first ball screw nut; 8. a first ball screw; 9. a first inner bearing seat; 10. a first motor; 11. a first outer bearing seat; 12. a second ball screw; 13. a second ball screw nut; 14. a second inner bearing seat; 15. a second motor; 16. a second outer bearing seat; 17. a pedal connecting plate; 18. the pedal plate rotates the push rod; 19. a foot pedal; 20. a pedal plate rotating shaft; 21. a linear guide post; 22. a connecting plate; 23. the drive shaft is twisted.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and fig. 2, the rotatable telescopic auxiliary obstacle crossing and exploring wheel mechanism according to this embodiment includes wheel bodies 1, leg plate rotating assemblies and exploring assemblies, wherein both of the wheel bodies 1 are rotatably connected to a connecting rod, the connecting rod and two rod bodies arranged in parallel form a wheel carrier 2, the leg plate rotating assemblies include leg plates 5, driving units, sliding rails 3, linear guide pillars 21, a connecting plate 22 and a torsion driving shaft 23, the two sliding rails 3 are symmetrically fixed at the bottoms of the leg plates 5, the linear guide pillars 21 are perpendicularly fixed at the left and right ends of the leg plates 5, one end of the linear guide pillars 21 away from the wheel bodies 1 is fixedly connected to the connecting plate 22, the connecting plate 22 is perpendicular to both of the leg plates 5 and the linear guide pillars 21, one side of the connecting plate 22 away from the wheel bodies 1 is connected to the torsion driving shaft 23, and the torsion driving shaft 23 is fixedly connected to the leg plates, the driving unit drives the leg plate 5 to rotate around the rotary joint through the torsion driving shaft 23; the extending assembly comprises a first nut connecting seat 6, a first ball screw nut 7, a first ball screw 8, a first inner bearing seat 9, a first motor 10 and a first outer bearing seat 11, wherein the two rod bodies are respectively connected onto the slide rail 3 in a sliding mode, the two rod bodies are kept away from the inner side, opposite to one end of the wheel body 1, of the first nut connecting seat 6, the first ball screw nut 7 is arranged on the first nut connecting seat 6, the first ball screw nut 7 is engaged with a screw hole of the first ball screw nut 7, one end of the first ball screw 8 penetrates through the first inner bearing seat 9 and then is connected with the first motor 10 through a coupler, and the other end of the first ball screw is arranged in the first outer bearing seat 11.
The rotatable telescopic auxiliary obstacle crossing detection wheel mechanism of the embodiment is provided with the leg plate rotating assembly, and after an obstacle is met, the leg plate rotating assembly drives the rotating leg plate 5 to rotate to the horizontal position; simultaneously, through setting up the subassembly of exploring, when exploring the way and surmounting the obstacle, the subassembly of exploring can outwards stretch out wheel body 1 along 5 planes of leg board, and when wheel body 1 outwards stretched out and contacted ground, the air pressure sensor feedback wheel pressure of wheel body 1 changes the signal, and the system is assigned the instruction action and is accomplished, and each motor stall and band-type brake for each mechanism is in stable quiescent condition, realizes safely surmounting the obstacle.
The rotatable flexible supplementary road wheel mechanism that hinders more of this embodiment is when using, meet the obstacle after, the rotatory leg plate 5 of leg plate rotating assembly, make leg plate 5 rotatory to horizontal position, simultaneously running-board rotating assembly is according to the corresponding rotatory adjustment running-board 19 of system command to the comfortable position of person of sitting, after crossing the obstacle, leg plate rotating assembly is rotatory downwards, adjustment leg plate 5 position, it makes wheel body 1 outwards stretch out to reach the wheel body 1 simultaneously and contacts ground after to lean out the subassembly, the pressure sensor feedback wheel pressure change signal of wheel body 1, the instruction action completion is assigned to the system, each motor stall and band-type brake, make each mechanism be in stable quiescent condition.
The driving unit drives the leg plate 5 to rotate around the joint shaft, when the obstacle-crossing path-exploring device crosses an obstacle, the leg plate 5 rotates to be horizontal to the ground, and when the obstacle-crossing path-exploring device crosses the obstacle, the leg plate rotates from the horizontal direction to the vertical direction to adjust the angle.
In this embodiment, the pedal rotating assembly further includes a pedal rotating assembly, the pedal rotating assembly includes a pedal 19, a second ball screw 12, a second ball screw nut 13, a second inner bearing seat 14, a second motor 15, a second outer bearing seat 16, a pedal connecting plate 17, a pedal fixing end, a pedal rotating push rod 18 and a pedal rotating shaft 20, the second ball screw 12 is disposed between the two first ball screws 8, one end of the second ball screw 12 passes through the second ball screw nut 13 and the second inner bearing seat 14 and then is connected to the second motor 15 through a coupling, the other end is disposed in the second outer bearing seat 16, the second outer bearing seat 16 is fixedly connected to the leg plate 5, two ends of the pedal rotating shaft 20 are respectively fixed to end surfaces of the two linear guide pillars 21, the pedal fixing end is hollow and is sleeved outside the pedal rotating shaft 20, the pedal connecting plate 17 is symmetrically and fixedly connected to two sides of the pedal fixing end, the pedal connecting plate 17 is provided with through holes, the pedal rotating push rod 18 is symmetrically provided with two parts, one end of the pedal rotating push rod is connected with the pedal connecting plate 17 through a hinge, the other end of the pedal rotating push rod is hinged to the left end part or the right end part of the second rolling screw nut, two ends of the pedal rotating shaft 20 extend out of the pedal fixing end, and the pedal 19 is fixedly connected to the pedal fixing end.
Wherein, through setting up running-board rotating assembly, running-board rotary mechanism can be according to the corresponding rotation adjustment running-board 19 of system command to the comfortable position of person of taking, effectively improves wheelchair and uses the travelling comfort. When the user walks and gets over the obstacle, due to the change of the gravity center of the human body, the pedal plate 19 needs to do certain corresponding rotary motion to be adjusted to the position angle most comfortable for the user, the second motor 15 drives the second ball screw 12 to move forwards in the pedal plate rotary component, and the second ball screw nut 13 drives the pedal plate rotary push rod 18 to finally complete the rotary function of the pedal plate 19.
In this embodiment, the fixed end of the pedal is a circular tube.
Wherein, the first motor 10 and the second motor 15 are both stepping motors.
In this embodiment, the wheel body 1 is an inflation wheel and is provided with an inflation inlet, and the inflation inlet is provided with an air pressure sensor.
Wherein, wheel body 1 is used for detecting whether the wheel contacts with the ground after crossing the obstacle: when the wheels are in contact with the ground, the air pressure in the wheels changes, and the air pressure sensor transmits signals to the system to perform the next action.
In this embodiment, the wheel body 1 is a hub motor driving wheel.
In this case, the wheel hub motor is used to drive the wheel hub motor, thereby providing braking and assisting the forward movement.
Wherein, a leg pad 4 is fixed on the leg plate 5.
Therefore, the utility model discloses well leg board 5 can effectively improve the wheelchair and use the travelling comfort with the equal rotatable adjustment of running-board 19, when exploring the way and surmounting the obstacle, explore the subassembly and can outwards stretch out the wheel along leg board 5 planes, realize safely surmounting the obstacle. The utility model is suitable for being widely applied in wheelchairs.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides a rotatable flexible supplementary mechanism of visiting way that hinders which characterized in that: the wheel comprises wheel bodies, leg plate rotating assemblies and a stretching-out assembly, wherein the two wheel bodies are rotatably connected with a connecting rod, the connecting rod and two parallel rod bodies jointly form a wheel carrier, each leg plate rotating assembly comprises a leg plate, a driving unit, sliding rails, linear guide pillars, a connecting plate and a torsion driving shaft, the two sliding rails are symmetrically fixed at the bottom of the leg plate, the linear guide pillars are vertically fixedly connected to the left end and the right end of the leg plate, the connecting plate is fixedly connected to one end, away from the wheel bodies, of each linear guide pillar, the connecting plate is perpendicular to the leg plates and the linear guide pillars, one side, away from the wheel bodies, of the connecting plate is connected with the torsion driving shaft, the torsion driving shaft is fixedly connected with a lower leg plate framework, and the driving unit drives the leg plates to rotate around a; the extending assembly comprises a first nut connecting seat, a first ball screw nut, a first ball screw, a first inner bearing seat, a first motor and a first outer bearing seat, the rod bodies are connected to the slide rail in a sliding mode respectively, the rod bodies are kept away from the inner side, opposite to one end of the wheel body, the first nut connecting seat is provided with the first ball screw nut, the first ball screw nut is engaged with a screw hole of the first ball screw nut, one end of the first ball screw penetrates through the first inner bearing seat, the first motor is connected with the first inner bearing seat through a coupler, and the other end of the first ball screw nut is arranged in the first outer bearing seat.
2. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to claim 1, wherein: the pedal plate rotating assembly comprises a pedal plate, a second ball screw nut, a second inner bearing seat, a second motor, a second outer bearing seat, a pedal plate connecting plate, a pedal plate fixing end, a pedal plate rotating push rod and a pedal plate rotating shaft, wherein the second ball screw is arranged between the two first ball screws, one end of the second ball screw penetrates through the second ball screw nut and the second inner bearing seat and then is connected with the second motor through a coupler, the other end of the second ball screw is arranged in the second outer bearing seat, the second outer bearing seat is fixedly connected onto the leg plate, two ends of the pedal plate rotating shaft are respectively fixed onto the end surfaces of the two linear guide columns, the pedal plate fixing end is arranged in a hollow mode and sleeved outside the pedal plate rotating shaft, and the pedal plate connecting plate is symmetrically and fixedly connected onto two sides of the pedal plate fixing end, the pedal connecting plate is provided with a through hole, the pedal rotating push rods are symmetrically provided with two ends, one end of each of the two ends is connected with the pedal connecting plate through a hinge, the other end of each of the two ends is hinged to the left end portion or the right end portion of the second ball screw nut, and the two ends of the pedal rotating shaft extend out of the pedal fixing end.
3. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to claim 2, wherein: the fixed end of the pedal is in a circular tube shape.
4. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to claim 2, wherein: the first motor and the second motor are both stepping motors.
5. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to claim 1, wherein: the wheel body is an inflation wheel and is provided with an inflation inlet, and an air pressure sensor is arranged at the inflation inlet.
6. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to claim 1, wherein: the wheel body is a wheel hub motor driving wheel.
7. A rotatable telescopic auxiliary obstacle crossing wheel mechanism according to any one of claims 1 to 6, wherein: leg pads are fixed on the leg plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920899686.0U CN211535237U (en) | 2019-06-15 | 2019-06-15 | Rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920899686.0U CN211535237U (en) | 2019-06-15 | 2019-06-15 | Rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211535237U true CN211535237U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920899686.0U Active CN211535237U (en) | 2019-06-15 | 2019-06-15 | Rotatable telescopic auxiliary obstacle crossing road probing wheel mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169879A (en) * | 2019-06-15 | 2019-08-27 | 大连亿斯德环境科技有限公司 | A kind of rotatable flexible auxiliary, which more hinders to explore the way, takes turns mechanism |
-
2019
- 2019-06-15 CN CN201920899686.0U patent/CN211535237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169879A (en) * | 2019-06-15 | 2019-08-27 | 大连亿斯德环境科技有限公司 | A kind of rotatable flexible auxiliary, which more hinders to explore the way, takes turns mechanism |
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