CN214648774U - Accessible electric motor car of going up step for old age - Google Patents

Abstract

The utility model provides an accessible electric motor car for old person who goes up step belongs to old electric motor car technical field, the utility model discloses, it comprises the frame, install two fixed blocks on the frame, the fixed block is kept away from the vertical first electric push rod of installing output port down in frame one side, the output arm of first electric push rod is equipped with the crossbeam admittedly, the both sides of crossbeam all are equipped with the drive wheel No. one, the vertical second electric push rod of installing output port down that runs through in frame top, the output arm of second electric push rod is equipped with the drive wheel No. two, be equipped with on the crossbeam and carry out driven driving piece to the drive wheel No. one, the driving piece includes two step motor. The utility model discloses, when having solved old electric motor car and facing lower step, can directly go past just, nevertheless because the wheel diameter is less, produce easily and jolt, when the step is higher, general old person can select to detour, perhaps lays the lane by oneself, if there is the family also can assist current by the family on the next door, very inconvenient problem.

Description

Accessible electric motor car of going up step for old age

Technical Field

The utility model belongs to the technical field of the old electric motor car, especially, relate to an accessible electric motor car for old people who goes up step.

Background

An electric vehicle is a vehicle powered by electric power. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles, and generally, electric vehicles convert electric energy into mechanical energy to move through a controller, a motor and other components by taking a battery as an energy source so as to control the current to change the speed.

The electric vehicle for the old people is one of electric vehicles, the electric vehicle for the old people in the existing market generally does not have the function of automatically climbing up steps, but the steps can be seen everywhere in places such as big and small streets, upstairs and downstairs and the like in China, and the electric vehicle for the old people can directly go forward when facing lower steps, but jolts are easily generated due to small diameter of wheels; when the steps are high, the ordinary old people can choose to go around or lay lanes by themselves, if some family members are beside the electric vehicle, the electric vehicle can be assisted by the family members to pass, and the electric vehicle is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the prior electric vehicle for the old people can go forward directly when facing lower steps, but jolts easily because the diameter of the wheel is smaller; when the steps are higher, the ordinary old people can choose to go around or lay a lane by oneself, if some family members are beside the electric vehicle, the electric vehicle can be assisted by the family members to pass, and the electric vehicle is very inconvenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an accessible electric motor car for the elderly who goes up stairs, it comprises frame, first electric push rod and second electric push rod, install two fixed blocks on the frame, the fixed block keeps away from frame one side and vertically installs the first electric push rod that output port is down, the output arm of first electric push rod is equipped with the crossbeam admittedly, the both sides of crossbeam all are equipped with the drive wheel No. one, the frame top is vertical to run through and installs the second electric push rod that output end is down, the output arm of second electric push rod is equipped with the drive wheel No. two, be equipped with the driving piece that drives the drive wheel No. one on the crossbeam, the driving piece includes two step motor, step motor installs on the crossbeam, and step motor's output and the transmission shaft fixed connection of drive wheel No. one, step motor provides power for the transmission shaft on the drive wheel to drive the rotation of drive wheel No. one, the electric motor car has the preceding structure that turns to that general electric motor car all has, nevertheless considers old person's operation custom problem, and we have considered the decision of a long time and adopt parallelogram structure, and the stability of electric motor car when parallelogram structure can guarantee to turn to avoids old person's maloperation to lead to turning to excessively damaging the automobile body, and we have still welded spacing stop device on the shaft as the restriction that turns to.

The frame top is equipped with the rectangular block admittedly, sliding connection has the traveller on the rectangular block, the one end that the rectangular block was kept away from to the traveller rotates and is connected with the spliced pole, the one end that the traveller was kept away from to the spliced pole is equipped with the seat, one side that the rectangular block is close to the fixed block is inserted and is equipped with the push rod, and the push rod is adorned on the traveller admittedly, one side of rectangular block is equipped with carries out spacing subassembly to the push rod.

The limiting assembly comprises a supporting plate, a threaded rod and a threaded groove, the supporting plate is L-shaped, the long arm end of the supporting plate penetrates through the supporting plate and is provided with the threaded rod, the push rod is evenly provided with the threaded groove, and the surface of the threaded rod is in threaded connection with the threaded groove and is used for limiting the push rod.

The disc is installed on the sliding column, a clamping groove is uniformly formed in one end, close to the connecting column, of the disc, a sliding groove is formed in the connecting column, a sliding plate is connected to the inner wall of the sliding groove in a sliding mode, a limiting column is fixedly installed at one end, close to the disc, of the sliding plate, the inner wall of the clamping groove is connected with the limiting column in a clamping mode, and a pulling assembly for pulling the sliding plate is arranged in the sliding groove.

The pulling assembly comprises a first spring and a sliding rod, two ends of the first spring are fixedly connected with the sliding plate and the sliding groove respectively, the sliding rod is fixedly arranged on the sliding plate and is vertically inserted into the sliding column, and the sliding plate slides in the sliding groove by means of the pulling force of the first spring.

One side of the sliding plate far away from the sliding groove is fixedly connected with a connecting plate, and the connecting plate is L-shaped and is convenient for people to pull the sliding plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the frame is integrally formed, the frame is firm and durable, the car body is small and can flexibly pass in and out of an elevator passage, the first electric push rod and the second electric push rod are both 300mm long and 150KG maximum bearing, and the lifting height of the first electric push rod and the second electric push rod can be accurately controlled by a single chip microcomputer program to synchronously descend to the same height, the stability of the electric car is ensured, the propelling speed of the electric push rod can be adjusted, the propelling speed can be reduced, more comfortable experience can be obtained, when the car body is lifted, only three wheels connected with the bottom ends of the electric push rods are remained on the ground, two stepping motors are installed as drives on a driving wheel, the stepping motors are controlled by a MCU microprocessor, the stepping motors are rotated, the advancing power when the car body is in a suspension state is provided, because the whole car body is only supported by three wheels, the safety and the comfort are considered, the advancing speed is adjusted to be lower, an ultrasonic sensor is arranged below a chassis of the vehicle body, when the vehicle body rises to the highest height, the vehicle body descends to the height of a step according to the feedback result of the sensor, the full-automatic front wheel vehicle body is in contact with the surface of the step, the old can feel comfortable and simultaneously obtain the enjoyment of simple and intelligent operation, the structure is relatively simple, the work is smooth, the size is small, and the device is suitable for the old; the operation is simple, the use is convenient, the walking device does not bump or shake in the process of walking, and the old can feel comfortable sensation; the applicable road is wide, the height of the ascending step is 30cm, and the device is suitable for nearly 99% of road steps; the advancing speed and the propelling speed of the electric push rod can be adjusted, the comfortable experience of old people brought by different speeds can be met, when the electric vehicle needs to go upstairs, the first electric push rod and the two second electric push rods are started, the first electric push rod and the two second electric push rods start to work, the first electric push rod and the two second electric push rods always keep the same speed and descend, the electric vehicle automatically stops when reaching the highest position, the first driving wheel starts to drive by virtue of the stepping motor, the vehicle body starts to move forwards, the first driving wheel stops driving when reaching the step wall surface, then the first electric push rod and the two second electric push rods start to contract, the vehicle body starts to descend, the front wheel automatically stops when falling to contact the step surface, the first electric push rod starts to work, the first electric push rod starts to contract until the contraction is complete, then the two first driving wheels start to drive, the vehicle body starts to move forwards, and the driving wheel stops driving when reaching the step wall surface approximately, at the moment, the electric vehicle is lifted to the surface of the step and can normally run, so that the problem that the old electric vehicle can directly run when facing a lower step is solved, but jolts are easily generated due to the small diameter of the wheel; when the steps are high, the old people can choose to go around or lay a lane by themselves, and if some family people are nearby, the family people can assist to pass, so that the problem of inconvenience is solved.

2. The utility model discloses in, promote earlier the pushing rod and make the traveller slide on the rectangular block with the help of the thrust of pushing rod, the seat on the spliced pole can be followed the traveller and slided together this moment, when the seat slides suitable position, stop promoting the pushing rod, then rotate the threaded rod and make threaded rod and thread groove threaded connection, then the people sits on the seat, control the steering wheel, the effect of adjusting the position of seat has been played, thereby different users have been solved, arm length is different, there may be the problem that the user can't reach the steering wheel.

3. The utility model discloses in, the pulling connecting plate makes the slide in the spout with the help of the pulling force of connecting plate, slide in the slide groove can be followed to spacing post this moment, then rotate the seat and make the seat drive the spliced pole rotate on the traveller, when the seat rotated suitable position, loosen the connecting plate and make the second spring because the recovering pulling slide of elasticity, the slide bar can slide in the traveller simultaneously, make spacing post and draw-in groove joint, thereby make the spliced pole fix with the help of the joint of spacing post and draw-in groove, the pivoted effect has been played to the seat, thereby the inconvenient pivoted problem of seat has been solved.

Drawings

Fig. 1 is a schematic structural view of a frame main body of an electric vehicle for elderly people without obstacles to go up steps, which is provided by the utility model;

fig. 2 is a schematic perspective view of the electric vehicle for elderly people without obstacle ascending step according to the present invention;

fig. 3 is a schematic perspective view of a first electric push rod in the electric vehicle for elderly people without obstacle for getting on steps shown in fig. 2;

fig. 4 is a schematic perspective view of a sliding column of the barrier-free electric scooter for elderly people to go up stairs shown in fig. 1;

fig. 5 is a partial structure schematic view of the electric vehicle for elderly people without obstacles for getting on steps shown in fig. 4;

fig. 6 is a schematic perspective view of a rectangular block in the barrier-free step-up geriatric electric vehicle shown in fig. 2.

Illustration of the drawings: 1. a frame; 2. a fixed block; 3. a first electric push rod; 4. a cross beam; 5. a stepping motor; 6. a first driving wheel; 7. a rectangular block; 8. a support plate; 9. a threaded rod; 10. pushing the rod; 11. a thread groove; 12. A traveler; 13. a disc; 14. a card slot; 15. a first spring; 16. a slide bar; 17. a slide plate; 18. a chute; 19. connecting columns; 20. a connecting plate; 21. a limiting column; 22. a second electric push rod; 23. and a second driving wheel.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, an electric vehicle for elderly people without obstacles to go up a step includes a vehicle frame 1, two fixing blocks 2 are mounted on the vehicle frame 1, and a first electric push rod 3 with a downward output port is vertically mounted on one side of the fixing block 2 away from the vehicle frame 1.

As shown in fig. 1 and 2, crossbeam 4 is equipped with admittedly to the output arm of first electric push rod 3, crossbeam 4's both sides all are equipped with drive wheel 6 No. one, the vertical second electric push rod 22 that runs through and install output end down in frame 1 top, the output arm of second electric push rod 22 is equipped with drive wheel 23 No. two, be equipped with on crossbeam 4 and carry out the driven driving piece driven to drive wheel 6 No. one, the driving piece includes two step motor 5, step motor 5 installs on crossbeam 4, and step motor 5's output and drive wheel 6's transmission shaft fixed connection No. one, step motor 5 provides power in order to drive wheel 6 and rotate for the transmission shaft on the drive wheel 6 No. one.

The effect that the upper section of the electric vehicle reaches when the electric vehicle runs to a step, the old people press a designated switch, namely a first electric push rod 3 and a second electric push rod 22 start to work, the three electric push rods always keep the same speed to descend and automatically stop when the electric vehicle reaches the highest position, a first driving wheel 6 is driven by a stepping motor 5 to rotate, a vehicle body starts to move forwards, the first driving wheel 6 stops driving when a front wheel reaches the wall surface of the step, an ultrasonic sensor below the vehicle frame 1 starts to work, the first electric push rod 3 and the second electric push rod 22 start to contract, the vehicle frame 1 starts to descend, the front wheel automatically stops when the front wheel descends to contact with the surface of the step, the first electric push rod 3 starts to work, the first electric push rod 3 starts to contract until the contraction is complete, the first driving wheel 6 starts to drive, the vehicle body starts to move forwards, the rear wheel reaches the wall surface of the step, the first driving wheel 6 stops driving, and in a safe range, the first driving wheel 6 begins to contract until the contraction is complete, the electric vehicle is lifted to the surface of the step, and the electric vehicle can normally run.

As shown in fig. 1 and 5, a rectangular block 7 is fixedly mounted at the top end of a frame 1, a sliding column 12 is connected on the rectangular block 7 in a sliding manner, a connecting column 19 is rotatably connected to one end, far away from the rectangular block 7, of the sliding column 12, a seat is arranged at one end, far away from the sliding column 12, of the connecting column 19, a push rod 10 is inserted into one side, close to a fixed block 2, of the rectangular block 7, the push rod 10 is fixedly mounted on the sliding column 12, and a limiting component for limiting the push rod 10 is arranged at one side of the rectangular block 7.

Spacing subassembly includes backup pad 8, threaded rod 9 and thread groove 11, and backup pad 8 is "L" shape, and the long arm end of backup pad 8 runs through to be inserted and is equipped with threaded rod 9, has evenly seted up thread groove 11 on the push rod 10, and threaded rod 9's surface and 11 threaded connection of thread groove are used for spacing push rod 10.

The effect that its upper segment part cooperation was used and is reached does, promote push rod 10 earlier and make traveller 12 slide on rectangular block 7 with the help of the thrust of push rod 10, seat on the spliced pole 19 can be followed traveller 12 and slided together this moment, when the seat slides to suitable position, stop promoting push rod 10, then rotate threaded rod 9 and make threaded rod 9 and thread groove 11 threaded connection, then the people sits on the seat, control the steering wheel, the effect of adjusting the position of seat has been played, thereby different users have been solved, arm length is different, there may be the problem that the user can't reach the steering wheel.

As shown in fig. 3 and 4, a disc 13 is mounted on the sliding column 12, a clamping groove 14 is uniformly formed in one end, close to a connecting column 19, of the disc 13, a sliding groove 18 is formed in the connecting column 19, a sliding plate 17 is slidably connected to the inner wall of the sliding groove 18, a limiting column 21 is fixedly mounted at one end, close to the disc 13, of the sliding plate 17, the inner wall of the clamping groove 14 is clamped with the limiting column 21, and a pulling assembly for pulling the sliding plate 17 is arranged in the sliding groove 18.

The pulling assembly comprises a first spring 15 and a sliding rod 16, two ends of the first spring 15 are respectively fixedly connected with a sliding plate 17 and a sliding groove 18, the sliding rod 16 is fixedly arranged on the sliding plate 17, the sliding rod 16 is vertically inserted into the sliding column 12, and the sliding plate 17 slides in the sliding groove 18 by means of the pulling force of the first spring 15.

One side of the sliding plate 17 far away from the sliding groove 18 is fixedly connected with a connecting plate 20, and the connecting plate 20 is L-shaped and is convenient for people to pull the sliding plate 17.

The effect that its upper segment part cooperation was used and is reached does, pulling connecting plate 20 makes slide 17 slide in spout 18 with the help of connecting plate 20's pulling force, slide 17 follow roll-off in draw-in groove 14 is followed to spacing post 21 this moment, then rotate the seat and make the seat drive spliced pole 19 rotate on traveller 12, when the seat rotated suitable position, loosen connecting plate 20 and make the second spring because the recovering pulling slide 17 of elasticity, slide bar 16 can slide in traveller 12 simultaneously, make spacing post 21 and draw-in groove 14 joint, thereby make spliced pole 19 fix with the help of spacing post 21 and draw-in groove 14's joint, played and carried out pivoted effect to the seat, thereby the inconvenient pivoted problem of seat has been solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides an old motor car of accessible bench, it comprises frame (1), first electric push rod (3) and second electric push rod (22), its characterized in that: install two fixed blocks (2) on frame (1), frame (1) one side is kept away from in fixed block (2) vertical first electric push rod (3) of installing output port down, crossbeam (4) are equipped with admittedly to the output arm of first electric push rod (3), the both sides of crossbeam (4) all are equipped with drive wheel (6) No. one, frame (1) top is vertical to be run through and to be installed output second electric push rod (22) down, the output arm of second electric push rod (22) is equipped with drive wheel (23) No. two, be equipped with the driving piece on crossbeam (4).

2. The electric vehicle for elderly people without obstacle for getting on stairs as claimed in claim 1, wherein: the driving piece comprises two stepping motors (5), the stepping motors (5) are installed on the cross beam (4), and the output ends of the stepping motors (5) are fixedly connected with the transmission shaft of the first driving wheel (6).

3. The electric vehicle for elderly people without obstacle for getting on stairs as claimed in claim 1, wherein: rectangular block (7) are equipped with admittedly on frame (1) top, sliding connection has traveller (12) on rectangular block (7), the one end that rectangular block (7) were kept away from in traveller (12) rotates and is connected with spliced pole (19), the one end that traveller (12) were kept away from in spliced pole (19) is equipped with the seat, one side that rectangular block (7) are close to fixed block (2) is inserted and is equipped with push rod (10), and push rod (10) adorn admittedly on traveller (12), one side of rectangular block (7) is equipped with spacing subassembly.

4. The electric scooter for elderly people without obstacle for getting on stairs of claim 3, wherein: the limiting assembly comprises a supporting plate (8), a threaded rod (9) and a threaded groove (11), the supporting plate (8) is L-shaped, the long arm end of the supporting plate (8) penetrates through the threaded rod (9), the threaded groove (11) is uniformly formed in the push rod (10), and the surface of the threaded rod (9) is in threaded connection with the threaded groove (11).

5. The electric scooter for elderly people without obstacle for getting on stairs of claim 3, wherein: install disc (13) on traveller (12), draw-in groove (14) have evenly been seted up to the one end that disc (13) are close to spliced pole (19), spout (18) have been seted up on spliced pole (19), the inner wall sliding connection of spout (18) has slide (17), slide (17) are close to the one end of disc (13) and are equipped with spacing post (21) admittedly, the inner wall and spacing post (21) joint of draw-in groove (14), be equipped with the pulling subassembly in spout (18).

6. The electric scooter for elderly people without obstacle for getting on stairs of claim 5, wherein: the pulling assembly comprises a first spring (15) and a sliding rod (16), two ends of the first spring (15) are fixedly connected with a sliding plate (17) and a sliding groove (18) respectively, the sliding rod (16) is fixedly arranged on the sliding plate (17), the sliding rod (16) is vertically inserted into the sliding column (12), and the sliding plate (17) slides in the sliding groove (18).

7. The electric scooter for elderly people without obstacle for getting on stairs of claim 5, wherein: one side of the sliding plate (17) far away from the sliding groove (18) is fixedly connected with a connecting plate (20), and the connecting plate (20) is L-shaped.

Images