CN219021986U

CN219021986U - Electric wheelchair slope-parking driving device

Info

Publication number: CN219021986U
Application number: CN202222412121.XU
Authority: CN
Inventors: 蒋方平
Original assignee: Zhenjiang Linghang Electronic Technology Co ltd
Current assignee: Zhenjiang Linghang Electronic Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-05-16
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to the technical field of electric wheelchairs and discloses an electric wheelchair slope-parking driving device, which comprises an electric wheelchair backup plate, wherein a clamping frame is fixedly connected to the rear side wall of the electric wheelchair backup plate, a clamping block is inserted into the clamping frame, a fixing rod is fixedly connected to the side wall of the clamping block, a fixing opening matched with the fixing rod is formed in the side wall of the clamping frame, a connecting ring is fixedly connected to the rod wall of the fixing rod, a plurality of limiting holes are formed in the side wall of the connecting ring, and limiting pins are inserted into the limiting holes. The utility model can automatically assist the electric wheelchair when the aged and the disabled use the electric wheelchair to climb a slope, can support the electric wheelchair, avoids the situation that the gravity center of the user moves backwards and the wheelchair is easy to topple, and increases the friction between the electric wheelchair and the slope surface through the crawler belt and the rubber block, thereby avoiding the situation that the electric wheelchair slips.

Description

Electric wheelchair slope-parking driving device

Technical Field

The utility model relates to the technical field of electric wheelchairs, in particular to a slope-parking driving device of an electric wheelchair.

Background

The electric wheelchair is formed by superposing components such as a high-performance power driving device, an intelligent operating device, a battery and the like on the basis of the traditional manual wheelchair, is reformed and upgraded, has an intelligent manual controller, can drive the wheelchair to finish various functions such as advancing, retreating, steering, standing, lying and the like, and is a new-generation intelligent wheelchair which is a high-technology product combining the fields such as modern precision machinery, intelligent numerical control, engineering mechanics and the like.

When the electric wheelchair is used for riding instead of walking, the aged and disabled people can have slopes on some roads, the slopes of some slopes are larger, and when the user sits on the electric wheelchair to ascend, the following defects exist: because the contact area between the wheels and the ground of the electric wheelchair is small, the electric wheelchair is easy to slip when being used for ascending, and the gravity center of a user can be moved backwards when ascending, so that the wheelchair is easy to topple when not paying attention.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the slope gradient is large, and when a user sits on an electric wheelchair to ascend, the following defects exist: because the contact area between the wheels of the electric wheelchair and the ground is smaller, the electric wheelchair is easy to slip when ascending a slope, and the gravity center of a user can move backwards when ascending a slope, so that the problem of falling of the wheelchair is easy to occur when the user is not careful, and the electric wheelchair parking driving device is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an electronic wheelchair resides slope drive arrangement, includes electronic wheelchair backup plate, the back lateral wall fixedly connected with card frame of electronic wheelchair backup plate, the card frame interpolation has the fixture block, the lateral wall fixedly connected with dead lever of fixture block, the fixed orifices that matches each other with the dead lever has been seted up to the lateral wall of card frame, the pole wall fixedly connected with retainer plate of dead lever, a plurality of spacing holes have been seted up to the lateral wall of retainer plate, and is a plurality of all pegging graft in the spacing hole has the spacer pin, and is many the upper end fixedly connected with one arm-tie of spacer pin, the same first spring of lateral wall fixedly connected with of arm-tie and the opposite side of retainer plate, a plurality of vertical holes that match each other with the spacer pin have been seted up to the lateral wall of fixture block, the lateral wall fixedly connected with connecting frame of fixture block is kept away from to the dead lever, the left and right sides inner wall of connecting frame all rotates and is connected with the bracing piece, two the relative one end fixedly connected with same track of bracing piece.

Preferably, the front side wall fixedly connected with work box of electronic wheelchair backup plate, the inner wall of work box passes through second spring fixedly connected with balancing weight, the right side wall fixedly connected with conducting plate of balancing weight, the right side wall fixedly connected with of work box two conducting blocks, be located the upside power electric connection on conducting block and the electronic wheelchair is located the downside conducting block and track electric connection.

The technical scheme is adopted: the wheelchair can tilt backwards, so that the balancing weight and the conductive plates move rightwards, and the conductive plates and the two conductive blocks are contacted with each other, thereby communicating the crawler belt and enabling the crawler belt to work.

Preferably, the inner walls of the left side and the right side of the clamping frame are fixedly connected with placing rings, and the same coil spring is arranged between the placing rings and the supporting rods.

The technical scheme is adopted: the crawler belt can be always kept at a proper angle.

Preferably, the outer wall of balancing weight fixedly connected with a plurality of balls.

The technical scheme is adopted: the convenience of sliding of the balancing weight is improved.

Preferably, the upper side wall of the pulling plate is fixedly connected with a pull ring.

The technical scheme is adopted: the pulling plate is convenient to pull.

Preferably, the outer wall of the crawler belt is fixedly connected with a plurality of rubber blocks.

The technical scheme is adopted: the friction force of the crawler belt is improved.

Compared with the prior art, the utility model provides the electric wheelchair hill-holding driving device, which has the following beneficial effects:

this electric wheelchair resides slope drive arrangement, through the electric wheelchair backup plate that sets up, the card frame, the fixture block, the dead lever, the supporting mouth, the go-between, spacing hole, the spacer pin, the arm-tie, first spring, the vertical hole, the spacing groove, the connection frame, the bracing piece, the track, can be when old and disabled person use electric wheelchair to go up the slope, automatically assist electric wheelchair, can support electric wheelchair moreover, avoid using personnel's focus to shift backward, the condition that the wheelchair emptys appears easily, still through track and the rubber piece of setting, the frictional force between electric wheelchair and the domatic has been increased, the condition that skidding appears in the electric wheelchair is avoided.

Drawings

Fig. 1 is a schematic structural view of a driving device for parking an electric wheelchair according to the present utility model;

fig. 2 is a schematic diagram of the positioning relationship of the clamping blocks in the electric wheelchair hill-holding driving device according to the present utility model;

FIG. 3 is a schematic diagram showing the installation relationship of the crawler belt in the electric wheelchair hill-holding driving device;

fig. 4 is a schematic diagram of the internal structure of a working box in the electric wheelchair hill-holding driving device.

In the figure: 1. an electric wheelchair backup plate; 2. a clamping frame; 3. a clamping block; 4. a fixed rod; 5. a support opening; 6. a connecting ring; 7. a limiting hole; 8. a limiting pin; 9. pulling a plate; 10. a first spring; 11. a vertical hole; 12. a limit groove; 13. a connection frame; 14. a support rod; 15. a track; 16. a working box; 17. balancing weight; 18. a conductive plate; 19. a conductive block; 20. placing a ring; 22. a ball; 23. a pull ring; 24. rubber blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an electric wheelchair slope driving device, including electric wheelchair backup plate 1, electric wheelchair backup plate 1's back lateral wall fixedly connected with clamping frame 2, clamping frame 2's the equal fixedly connected with of left and right sides inner wall places circle 20, be equipped with same coil spring between placing circle 20 and the bracing piece 14, can make track 15 remain at suitable angle throughout, clamping frame 2 inserts and has fixture block 3, fixture block 3's lateral wall fixedly connected with dead lever 4, clamping frame 2's lateral wall has seted up the fixed orifices 5 with dead lever 4 mutual matching, dead lever 4's pole wall fixedly connected with connecting ring 6, a plurality of spacing holes 7 have been seted up to connecting ring 6's lateral wall, all peg graft in a plurality of spacing holes 7, the same arm 9 of upper end fixedly connected with of a plurality of spacing pins 8, the upper lateral wall fixedly connected with pull ring 23 of arm 9, the same first spring 10 of lateral wall fixedly connected with of opposite side of arm 9 and connecting ring 6, a plurality of vertical holes 11 with spacing pin 8 mutual matching are seted up to the lateral wall of clamping frame 2, a plurality of blocks 3's lateral wall 13 are connected with each other, the lateral wall 13 is kept away from to the same track 15, the opposite lateral wall of two sides of support rod 13 is connected with two opposite side wall 13, the opposite side wall of support rod 13 is connected with a plurality of spacing blocks 15, the opposite side wall 13 is connected with two side wall 13 is connected with the same.

The front side wall fixedly connected with work box 16 of electronic wheelchair backup plate 1, the inner wall of work box 16 passes through second spring fixedly connected with balancing weight 17, the outer wall fixedly connected with ball 22 of balancing weight 17 has improved the gliding convenience of balancing weight 17, the right side wall fixedly connected with current conducting plate 18 of balancing weight 17, the right side wall fixedly connected with of work box 16 two current conducting pieces 19, be located the upper side current conducting piece 19 and the power electric connection on the electronic wheelchair, be located downside current conducting piece 19 and track 15 electric connection, can incline backward at the wheelchair, make balancing weight 17 and current conducting plate 18 move to the right side, make current conducting plate 18 and two current conducting pieces 19 contact each other, thereby communicate track 15, make track 15 work.

In the utility model, when the electric wheelchair is used, the crawler belt 15 is arranged on the electric wheelchair backup plate 1, the electric wheelchair can incline backwards when climbing a slope approximately, so that the crawler belt 15 and the slope are contacted with each other, meanwhile, the conductive plate 18 moves rightwards under the action of the balancing weight 17, so that the conductive plate 18 and the two conductive blocks 19 are contacted with each other, the crawler belt 15 can rotate, the situation that the wheelchair is easy to topple due to the backward movement of the gravity center of a user is avoided through the crawler belt 15, and the friction force between the electric wheelchair and the slope is increased through the arranged rubber blocks, so that the slipping of the electric wheelchair is avoided.

Overall, for technical problems: some slopes have larger gradient, and when a user sits on the electric wheelchair to ascend, the following disadvantages exist: because the contact area between the wheels and the ground of the electric wheelchair is small, slipping is easy to occur when the electric wheelchair is used for ascending, and the gravity center of a user can be moved backwards when the electric wheelchair is used for ascending, and the wheelchair is easy to fall down when the user is not careful; adopts the technical proposal that: the electric wheelchair slope-parking driving device comprises an electric wheelchair backup plate, wherein a clamping frame is fixedly connected to the rear side wall of the electric wheelchair backup plate, a clamping block is inserted into the clamping frame, a fixing rod is fixedly connected to the side wall of the clamping block, a fixing opening matched with the fixing rod is formed in the side wall of the clamping frame, a connecting ring is fixedly connected to the rod wall of the supporting rod, and a plurality of limiting holes are formed in the side wall of the connecting ring; the technical scheme is realized by the following steps: the crawler belt 15 is arranged on the electric wheelchair backup plate 1, when the electric wheelchair climbs a slope, the electric wheelchair can incline backwards, so that the crawler belt 15 and the slope are contacted with each other, meanwhile, the conductive plate 18 moves rightwards under the action of the balancing weight 17, so that the conductive plate 18 and the two conductive blocks 19 are contacted with each other, the crawler belt 15 can rotate, the situation that the wheelchair is easy to topple over due to the fact that the gravity center of a user moves backwards is avoided through the crawler belt 15, and the friction force between the electric wheelchair and the slope is increased through the arranged rubber blocks, so that the slipping of the electric wheelchair is avoided; therefore, the technical problem can be necessarily solved, and the realized technical effects are as follows: can be when old man and disabled person use electronic wheelchair to go uphill, automatic helping hand to electronic wheelchair can support electronic wheelchair moreover, avoid using personnel's focus to shift backward, the condition that the wheelchair emptys appears easily, still through track and the rubber piece that sets up, increased the frictional force between electronic wheelchair and the domatic, avoid the condition that the electronic wheelchair to skid to appear.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electric wheelchair resides slope drive arrangement, includes electric wheelchair backup plate (1), its characterized in that, back lateral wall fixedly connected with clamping frame (2) of electric wheelchair backup plate (1), clamping frame (2) interpolation has fixture block (3), the lateral wall fixedly connected with dead lever (4) of fixture block (3), fixed orifices (5) mutually supporting with dead lever (4) have been seted up to the lateral wall of clamping frame (2), pole wall fixedly connected with go-between (6) of dead lever (4), a plurality of spacing holes (7) have been seted up to the lateral wall of go-between (6), a plurality of all peg graft in spacing holes (7) have spacer pin (8), a plurality of the upper end fixedly connected with same arm-tie (9) of spacer pin (8), the lateral wall fixedly connected with same first spring (10) of opposite one side of arm-tie (9) and go-tie (6), vertical hole (11) mutually supporting with spacer pin (8) have been seted up to the lateral wall of clamping frame (2), a plurality of vertical hole (11) mutually supporting with spacer pin (3) have been seted up to the lateral wall (13) are kept away from each other in the spacer pin (3), the lateral wall (13) are connected with each other to be connected with the lateral wall (13), the opposite ends of the two supporting rods (14) are fixedly connected with the same crawler belt (15).

2. The electric wheelchair slope-parking driving device according to claim 1, wherein a working box (16) is fixedly connected to the front side wall of the electric wheelchair backup plate (1), a balancing weight (17) is fixedly connected to the inner wall of the working box (16) through a second spring, a conductive plate (18) is fixedly connected to the right side wall of the balancing weight (17), two conductive blocks (19) are fixedly connected to the right side wall of the working box (16), the upper conductive blocks (19) are electrically connected with an upper power supply of the electric wheelchair, and the lower conductive blocks (19) are electrically connected with a crawler belt (15).

3. The electric wheelchair parking driving device according to claim 1, wherein the inner walls of the left side and the right side of the clamping frame (2) are fixedly connected with placing rings (20), and the same coil spring is arranged between the placing rings (20) and the supporting rods (14).

4. An electric wheelchair hill-holding driving device according to claim 2, characterized in that the outer wall of the counterweight (17) is fixedly connected with a plurality of balls (22).

5. An electric wheelchair hill-holding driving device according to claim 1, characterized in that the upper side wall of the pulling plate (9) is fixedly connected with a pulling ring (23).

6. An electric wheelchair hill-holding driving device according to claim 1, characterized in that the outer wall of the crawler belt (15) is fixedly connected with a plurality of rubber blocks (24).