CN212326771U - Electric wheelchair - Google Patents

Abstract

The utility model relates to a wheelchair technical field specifically is an electronic wheelchair, including the chair body, the bottom welding of the chair body has the box, the top welding of box inner wall has the motor, the output shaft welding of motor has the action wheel, the bottom of box inner wall is rotated and is connected with vice driving wheel, the surface of action wheel is passed through the belt and is connected with the surface transmission of vice driving wheel, the top welding of vice driving wheel has first bevel gear, the inner wall of box rotates and is connected with second bevel gear, the top sliding connection of box has the removal stock, the bottom of removal case is provided with slope device. This electric wheelchair is provided with starting switch on the arm hand of the chair body, when the wheelchair user need go up little step, puts the slope device on the slope, when the way tooth does not set up slope or the slope is sheltered from unable the use, the wheelchair user can use this device easily to go up the way tooth, need not other people's help or detour, has reached the effect of the convenient trip of wheelchair user.

Description

Electric wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to an electric wheelchair.

Background

The electric wheelchair is formed by modifying and upgrading parts such as a superposed high-performance power driving device, an intelligent control device, a battery and the like on the basis of a transmission manual wheelchair, is provided with a manual control intelligent controller, can drive the wheelchair to complete a new generation of intelligent wheelchairs with multiple functions of advancing, retreating, steering, standing, lying and the like, and is a high and new technology product combined in the fields of modern precision machinery, intelligent numerical control, engineering mechanics and the like.

However, when the disabled person goes out with the electric wheelchair, the disabled person needs to drive to the curbs, the curbs in some standardized urban buildings are provided with slopes to facilitate the wheelchair user to go out, however, with the continuous development of the electric bicycle, the slopes arranged on a plurality of curbs are blocked by the shared bicycle, at the moment, the wheelchair user needs to go around a long way or seek help to enter the curbs, in some areas with less-perfection of the urban buildings, the curbs are not provided with slopes for the wheelchair user to use, and the slopes cause great inconvenience to the wheelchair user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric wheelchair to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electric wheelchair comprises a chair body, wherein a box body is welded at the bottom of the chair body, a motor is welded at the top of the inner wall of the box body, a driving wheel is welded at an output shaft of the motor, an auxiliary driving wheel is rotatably connected at the bottom of the inner wall of the box body, the surface of the driving wheel is in transmission connection with the surface of the auxiliary driving wheel through a belt, a first bevel gear is welded at the top of the auxiliary driving wheel, a second bevel gear is rotatably connected at the inner wall of the box body, a movable long rod is slidably connected at the top of the box body, a first spring is welded at the right side of the movable long rod, a first rack is slidably connected at the inner wall of the movable long rod, a limiting device is arranged at the inner wall of the box body, a movable box is slidably connected at;

the slope device is including the fixing base, fixing base bottom sliding connection has the slip box, the bottom of fixing base inner wall is rotated and is connected with the gear wheel, the inner wall welding of slip box has the rack bar, the bottom of rack bar and the bottom sliding connection of fixing base inner wall, the top welding of slip box has the hook case, the surface intermeshing of the surface of rack bar and gear wheel, the inside of gear wheel and the surface intermeshing of action wheel.

Preferably, stop device is including the spring holder, the anterior welding of spring holder has little spring, the anterior welding of little spring has the half disc, the anterior welding of spring holder has the spring box, the surface of half disc is at the inner wall sliding connection of spring box, the surface sliding connection of the surface of half disc and removal case, the surface welding of spring holder is at the inner wall of box.

Preferably, the inner wall welding of removal case has the motor, the output welding of motor has the bull stick, the skin weld of bull stick has the hook, the surface of hook and the inner wall sliding connection who hooks the case.

Preferably, the top of the inner wall of the movable long rod is welded with a large spring, and the bottom of the large spring is welded and fixed with the top of the first rack.

Preferably, the inner wall of the moving box is provided with teeth, and the inner wall of the moving box is meshed with the surface of the first rack.

Preferably, the surface of the first bevel gear is meshed with the surface of the second bevel gear, the left end of the first spring is welded with the inner wall of the box body, and the left side of the touch rod is movably connected with the right side of the long movable rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this electric wheelchair, be provided with starting switch on the arm hand of the chair body, when the wheelchair user need go up little step, put slope device on the slope, go to arrive on the tooth from slope device, when going on the tooth on the wheelchair, make slope device get back to on the wheelchair at the function wheelchair, when tooth sets up slope or slope and is sheltered from unable use, the wheelchair user can use this device easily to go up the tooth, need not other people's help or detour, the effect of the convenient trip of wheelchair user has been reached.

2. This electric wheelchair drives the bull stick rotation through the motor, and the bull stick drives the hook rotation at rotatory in-process to make the hook and hook case throw off, reached the effect of putting down the ramp device, when needs put the ramp device on the wheelchair, the starter motor, thereby the motor carries out reverse direction operation and makes the hook once more with hook case connection, reach the effect of convenient receipts ramp device so that reuse.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front side of the structure of the middle box body of the present invention;

FIG. 3 is a schematic view of a cut-away side view of the middle box body of the present invention;

FIG. 4 is a schematic view of the connection structure inside the middle box body of the present invention;

FIG. 5 is a schematic cross-sectional view of the slope device of the present invention;

fig. 6 is a schematic view of the middle slope device according to the present invention;

FIG. 7 is a schematic structural view of the middle position-limiting device of the present invention;

FIG. 8 is a schematic view of the internal structure of the middle moving box of the present invention;

fig. 9 is a schematic view of the internal structure of the middle movable long rod of the present invention;

fig. 10 is a schematic view of the connection between the large gear and the driving wheel of the present invention.

In the figure: 1. a chair body; 2. a box body; 3. a motor; 4. a driving wheel; 5. a secondary driving wheel; 6. a belt; 7. a first bevel gear; 8. a second bevel gear; 9. moving the long rod; 10. a first spring; 11. a first rack; 12. a mobile box; 13. a touch rod is touched; 14. a ramp device; 141. a fixed seat; 142. a slide box; 143. a bull gear; 144. a rack bar; 145. hooking the box; 15. a limiting device; 151. a spring seat; 152. a small spring; 153. a spring box; 154. a semicircular sheet; 16. a motor; 17. a rotating rod; 18. a hook; 19. a large spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 9, the present invention provides a technical solution:

the utility model provides an electric wheelchair, including the chair body 1, the bottom welding of the chair body 1 has box 2, the top welding of 2 inner walls of box has motor 3, the output shaft welding of motor 3 has action wheel 4, the bottom swivelling joint of 2 inner walls of box has vice driving wheel 5, the surface of action wheel 4 is connected with the surface transmission of vice driving wheel 5 through belt 6, the top welding of vice driving wheel 5 has first bevel gear 7, the inner wall rotation of box 2 is connected with second bevel gear 8, the top sliding connection of box 2 has removal stock 9, the right side welding of removal stock 9 has first spring 10, the inner wall sliding connection of removal stock 9 has rack 11, the inner wall of box 2 is provided with stop device 15, the bottom sliding connection of box 2 has removal case 12, the right side welding of removal case 12 has touch bar 13, the bottom of removal case 12 is provided with slope device 14.

The slope device 14 comprises a fixed seat 141, the bottom of the fixed seat 141 is connected with a sliding box 142 in a sliding manner, the bottom of the inner wall of the fixed seat 141 is connected with a large gear 143 in a rotating manner, the inner wall of the sliding box 142 is welded with a rack rod 144, the bottom of the rack rod 144 is connected with the bottom of the inner wall of the fixed seat 141 in a sliding manner, the top of the sliding box 142 is welded with a hook box 145, the surface of the rack rod 144 is meshed with the surface of the large gear 143, the inside of the large gear 143 is meshed with the surface of a driving wheel 4, a starting switch is arranged on an arm hand of the chair body 1, when a wheelchair user needs to get on a small step, the slope device 14 is placed on a slope and runs from the slope device 14 to a road tooth, when the wheelchair reaches the road tooth, the slope device 14 returns to the wheelchair by operating the wheelchair, the starting switch enables a motor 3 to operate, the driving wheel, 143 the rack gear drives the engaged rack bar 144 to move leftwards, the rack bar 144 drives the sliding box 142 to slide and open on the surface of the fixed seat 141, so as to open the slope device 14, thereby the wheelchair is operated from the slope device 14, the moving box 12 connected with the rack bar 144 slides leftwards on the bottom of the box body 2, when the moving box 12 slides to the designated position, the touch bar 13 on the right side of the moving box 12 pushes the long moving rod 9 to move leftwards, the rack bar 11 is also forced to move leftwards to engage with the second bevel gear 8, thereby the effect of moving the rack bar 11 up and down is achieved, the driving wheel 4 drives the auxiliary wheel 5 to rotate through the belt 6, the first bevel gear 7 welded on the top of the auxiliary wheel 5 drives the second bevel gear 8 to rotate, the second bevel gear 8 and the rack bar 11 operate mutually, the rack bar 11 slides downwards on the inner wall of the long moving rod 9, the rack bar 11 contacts with the moving, thereby the fixing seat 141 moves downwards, and the effect of the wheelchair user of convenient upper teeth is achieved, thereby the wheelchair user is more convenient to appear.

In this embodiment, stop device 15 includes spring holder 151, the anterior welding of spring holder 151 has little spring 152, the anterior welding of little spring 152 has half disc 154, the anterior welding of spring holder 151 has spring box 153, the surface of half disc 154 is at the inner wall sliding connection of spring box 153, the surface of half disc 154 and the surface sliding connection of removal case 12, the surface welding of spring holder 151 is at the inner wall of box 2, through setting up stop device 15, make removal case 12 slide left the back and blockked by half disc 154 and fix in situ, remove the case 12 case and slide left the time from the surface of half disc 154 and pass, the back half disc 154 that stops moving left carries out the fixed action to removal case 12, slide right until removal case 12 atress.

In addition, the motor 16 is welded on the inner wall of the moving box 12, the rotating rod 17 is welded on the output end of the motor 16, the hook 18 is welded on the surface of the rotating rod 17, the surface of the hook 18 is in sliding connection with the inner wall of the hook box 145, the rotating rod 17 is driven to rotate through the motor 16, and therefore the hook 18 is not connected with the hook box 145, and the effect of lowering the slope device 14 is achieved.

In addition, the top welding of removal stock 9 inner wall has big spring 19, and the bottom of big spring 19 and the top welded fastening of rack 11 reach the effect that makes rack 11 carry out sliding motion in removing stock 9 through the welding of big spring 19 at the top of removing the stock 9 inner wall.

Furthermore, the inner wall of the movable box 12 is provided with teeth, the inner wall of the movable box 12 is meshed with the surface of the rack I11, the rack I11 is meshed with the movable box 12 when moving downwards through the teeth arranged on the inner wall of the movable box 12 and drives the movable box 12 to do telescopic motion, and the movable box 12 can be arranged to stretch and retract to achieve the effect of a designated road tooth place where the slope device 14 can be placed.

Furthermore, the surface of the first bevel gear 7 is meshed with the surface of the second bevel gear 8, the left end of the first spring 10 is welded with the inner wall of the box body 2, the left side of the touch rod 13 is movably connected with the right side of the long movable rod 9, the surface of the first bevel gear 7 is meshed with the surface of the second bevel gear 8, the first bevel gear 7 drives the second bevel gear 8 to rotate in the rotating process, and the effect of pushing the first rack 11 in the long movable rod 9 to move leftwards to be meshed with the second bevel gear 8 is achieved by arranging the touch rod 13.

When the electric wheelchair of the utility model is used, the switch is started, the motor 3 starts to operate, the motor 3 drives the 143 gear wheel and the auxiliary wheel 5 to rotate through the driving wheel 4, the 143 gear wheel drives the meshed rack bar 144 to move leftwards in the rotating process, the rack bar 144 drives the sliding box 142 to slide and open on the surface of the fixed seat 141, the moving box 12 connected with the rack bar 144 slides leftwards at the bottom of the box body 2, when the moving box 12 slides to a specified position, the touch rod 13 at the right side of the moving box 12 pushes the moving long rod 9 to move leftwards, the rack I11 is also stressed leftwards to move and meshed with the second bevel gear 8, the driving wheel 4 drives the auxiliary wheel 5 to rotate through the belt 6, the first bevel gear 7 welded at the top of the auxiliary wheel 5 drives the second bevel gear 8 to rotate, the second bevel gear 8 and the rack I11 operate mutually, the rack I11 performs downward, the first rack 11 contacts with the movable box 12 in the downward process and drives the movable box 12 to perform the extending motion, so that the fixed seat 141 moves downward, when the fixed seat 141 contacts with the ground, the motor 16 is started, the rotating rod 17 rotates the hook 18, so that the hook 18 is not connected with the hook box 145, and the fixed seat 141 is separated from the chair body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An electric wheelchair comprises a wheelchair body (1), and is characterized in that: the chair is characterized in that a box body (2) is welded at the bottom of the chair body (1), a motor (3) is welded at the top of the inner wall of the box body (2), an output shaft of the motor (3) is welded with a driving wheel (4), an auxiliary driving wheel (5) is rotatably connected at the bottom of the inner wall of the box body (2), the surface of the driving wheel (4) is in transmission connection with the surface of the auxiliary driving wheel (5) through a belt (6), a first bevel gear (7) is welded at the top of the auxiliary driving wheel (5), a second bevel gear (8) is rotatably connected at the inner wall of the box body (2), a movable long rod (9) is slidably connected at the top of the box body (2), a first spring (10) is welded at the right side of the movable long rod (9), a rack I (11) is slidably connected at the inner wall of the movable long rod (9), a limiting device (15) is arranged, a touch rod (13) is welded on the right side of the movable box (12), and a slope device (14) is arranged at the bottom of the movable box (12);

slope device (14) is including fixing base (141), fixing base (141) bottom sliding connection has slip box (142), the bottom of fixing base (141) inner wall is rotated and is connected with gear wheel (143), the inner wall welding of slip box (142) has rack bar (144), the bottom of rack bar (144) and the bottom sliding connection of fixing base (141) inner wall, the top welding of slip box (142) has hook box (145), the surface of rack bar (144) and the surface intermeshing of gear wheel (143), the inside of gear wheel (143) and the surface intermeshing of action wheel (4).

2. The electrically powered wheelchair as recited in claim 1, wherein: stop device (15) are including spring holder (151), the anterior welding of spring holder (151) has little spring (152), the anterior welding of little spring (152) has half disc (154), the anterior welding of spring holder (151) has spring box (153), the surface of half disc (154) is at the inner wall sliding connection of spring box (153), the surface of half disc (154) and the surface sliding connection who removes case (12), the surface welding of spring holder (151) is at the inner wall of box (2).

3. The electrically powered wheelchair as recited in claim 1, wherein: the inner wall welding of removal case (12) has motor (16), the output welding of motor (16) has bull stick (17), the skin weld of bull stick (17) has hook (18), the surface of hook (18) and the inner wall sliding connection of hook case (145).

4. The electrically powered wheelchair as recited in claim 1, wherein: the top of the inner wall of the movable long rod (9) is welded with a large spring (19), and the bottom of the large spring (19) is welded and fixed with the top of the first rack (11).

5. The electrically powered wheelchair as recited in claim 1, wherein: the inner wall of the moving box (12) is provided with teeth, and the inner wall of the moving box (12) is meshed with the surface of the first rack (11).

6. The electrically powered wheelchair as recited in claim 1, wherein: the surface of the first bevel gear (7) is meshed with the surface of the second bevel gear (8), the left end of the first spring (10) is welded with the inner wall of the box body (2), and the left side of the touch rod (13) is movably connected with the right side of the long moving rod (9).

Images