WO2003084796A1

WO2003084796A1 - Electric passenger cart

Info

Publication number: WO2003084796A1
Application number: PCT/JP2002/005983
Authority: WO
Inventors: Hitoshi Kawazoe
Original assignee: Hitoshi Kawazoe
Priority date: 2002-04-08
Filing date: 2002-06-14
Publication date: 2003-10-16
Also published as: JP2003291877A; JP3747371B2

Abstract

An electric passenger cart storable in compact shape, easily transportable for use, and running on wheels (1) rotatingly driven by an electric motor, wherein a front body (3) having a front wheel (1a) and an operation handle (2) and a rear body (5) having a rear wheel (1b) and an operation seat (4) are formed separately from each other, a pair of parallel slide bars (6) are installed at the rear end part of the front body (3), racks (7) are installed along the slide bars (6), a pair of parallel guide rails (8) for slidably inserting the slide bars (6) into the rear body (5), gears (9) meshed with the racks (7) are installed on the rear body (5) and a step plate (10) is removably installed on thee slide bars (6) in the state of the front body (3) apart from the rear body (5), whereby the front body (3) can be moved close to and apart from the rear body (5) by rotating the gears (9) to move the racks (7) to slide the slide bars (6).

Description

Specification

Electric passenger cart technical field

The present invention relates to a small four-wheel electric riding cart. Background art

Electric carts that are mainly used by elderly people and people with disabilities have been provided as wheelchairs, but in the future, in addition to wheelchairs, carts that are used to move to nearby places such as shopping. It is also expected that the types that are brought into golf courses and used for rounds will become widespread.

Since such an electric passenger cart is usually a single person, it is formed in a small size. However, when an electric passenger car is used at a distance from a home such as a golf course, it is necessary to carry an electric passenger cart on a car and carry it. Not small.

Therefore, in Japanese Patent No. 3065554, an attempt is made to shorten the length of the front and rear by folding the steps of the electric passenger cart so that the electric passenger cart can be stored in a compact shape. ing.

However, as described in Japanese Patent No. 3065554, the power sedan can be made compact to the extent that an electric passenger cart can be stored in the luggage compartment of a station wagon type automobile. It is difficult to make it compact until it is possible to store an electric riding force seat in the trunk compartment of a type car.

The present invention has been made in view of the above points, and an object of the present invention is to provide an electric riding cart that can be stored in a more compact shape and can be easily carried and used. Disclosure of the invention

The electric passenger cart according to the present invention travels on wheels 1 that are rotationally driven by an electric motor. In the electric passenger cart formed as above, the front vehicle body 3 having the front wheel 1a and the driving handle 2 and the rear vehicle body 5 having the rear wheel 1b and the driving seat 4 are formed separately, and the front vehicle body 3 A pair of parallel slide bars 6 that project in the front-rear direction are attached to either the rear end of the rear or the front end of the rear vehicle body 5, and a rack 7 is provided along each slide bar 6, and the front vehicle body 3 and the rear vehicle A pair of parallel guide rails 8 into which the slide bar 6 is slidably inserted is attached to either one of the bodies 5, and a pair of gears 9 that engage with the rack 7 are provided, and the rack 7 is moved by rotating the gear 9 By sliding the slide bar 6, the front vehicle body 3 and the rear vehicle body 5 are configured to approach or separate from each other, and the step plate is placed on the slide bar 6 with the front vehicle body 3 and the rear vehicle body 5 separated from each other. 1 Remove 0 By comprising mounted for it is an FEATURE:. Therefore, by rotating the gear that meshes with the rack, the slide bar can be slid in the direction to be inserted into the guide rail, and the front and rear bodies can be brought close to each other to shorten the length in the front-rear direction. In this case, the step plate between the front and rear bodies has been removed, and the front and rear bodies can be brought close to each other until they completely come into contact with each other. It can be stored in a more compact shape and can be easily carried and used. Also, since the front and rear bodies are connected by a pair of parallel slide bars, the front and rear bodies can be firmly connected without being twisted together. is there.

Further, in the above-described electric passenger car, it is desirable that the driving handle 2 is formed to be foldable rearward and the driving seat 4 is formed to be removable from the rear vehicle body 5. By removing the driver's seat and bending the driver's handle, the electric riding force—the height of the heel can be reduced to make it more compact. It is possible to store a car basket. Brief Description of Drawings

FIG. 1 is an exploded perspective view showing an example of an embodiment of an electric passenger cart according to the present invention. FIG. 2 is a perspective view of the above electric passenger cart.

FIG. 3 is a perspective view of the above-described compact electric passenger car. FIG. 4 is a front view showing an expansion / contraction mechanism of the electric passenger cart.

FIG. 5A is a partially enlarged perspective view showing a part of the telescopic mechanism,

FIG. 5B is a partially enlarged cross-sectional view showing a part of the telescopic mechanism same as above.

FIG. 6 is an enlarged perspective view showing an example of the transmitter for remote control same as the above. FIG. 7 is a cross-sectional view showing a state in which the car is housed in the trunk compartment of the automobile. BEST MODE FOR CARRYING OUT THE INVENTION

Embodiments of the present invention will be described below.

The embodiment of the figure shows a four-wheeled vehicle type in which a pair of wheels 1 are provided at the front and rear, and the vehicle body of an electric passenger car is formed by separating it into a front vehicle body 3 and a rear vehicle body 5. is there . The front vehicle body 3 is formed by providing a pair of front wheels 1 a on the lower side of the front body 15 and providing a driving handle 2 on the upper side of the front body 15. The rear vehicle body 5 is formed by providing a pair of rear wheels 1 b on the lower side of the rear body 16, and a driver seat 4 is provided on the upper side of the rear body 16.

The front vehicle body 3 is configured by attaching the front body 15 on the front chassis 13 and attaching the axle of the front wheel 1 a to the front chassis 1 3. The driving handle 2 is formed by providing a handle 18 at the upper end of the handle shaft 1 7, and the lower end of the handle shaft 1 7 is below the front body 1 5 and the steering mechanism of the front wheel 1 a (not shown) ), And the steering wheel 18 can be operated to rotate the steering shaft 17 so that the direction of the front wheel 1a can be changed.

The handle shaft 17 of the driving handle 2 is divided into an upper handle shaft 1 9 and a lower handle shaft 20, and the handle 18 is provided on the upper handle shaft 19 and the lower handle shaft 20 is steered to the front wheel 1a. Connected to the mechanism. An insertion piece 21 protrudes from the upper end of the lower handle shaft 20 protruding above the front body 15, and a forked piece 22 protrudes from the lower end of the upper handle shaft 19. Then, by inserting the insertion piece 21 between the forked piece 22 and pivotally connecting the base of the inserted piece 21 and the tip of the forked piece 22 with the rotating shaft 23, the upper handle shaft 19 is moved in the front-rear direction. As shown in FIG. 1, the upper handle shaft 19 is tilted rearward so that the operation handle 2 can be bent. Plug again There are connecting holes 24 and 25 at the tip of the groove 21 and the base of the bifurcated piece 22, respectively, and the upper handle shaft 19 is raised to align the connecting holes 24 and 25 and to the connecting holes 24 and 25. By inserting the connecting pin 26, as shown in FIG. 2, the upper handle shaft 19 and the lower handle shaft 20 can be connected to make a single handle shaft 17 upright.

Further, a slide bar 6 is fixedly attached to the front chassis 13 at the lower side of the front body 15 of the front vehicle body 3, and the slide bar 6 is attached to the front vehicle body 3 as shown in FIG. It protrudes backward from the rear end. Two slide bars 6 are provided in parallel at the left and right ends of the front vehicle body 3. A rack 7 is provided on the lower surface of the slide bar 6 along the front-rear direction. The rack 7 is formed so that its width dimension is narrower than that of the slide bar 6, and the rack 7 may be formed of a separate member from the slide bar 6. However, the slide bar 6 and the rack 7 are integrated with the same member. You can make it. Mounting holes 27 are provided at a plurality of locations on the upper surface of each slide bar 6.

The rear vehicle body 5 is configured by attaching the rear body 16 on the rear chassis 14 and attaching the axle of the rear wheel 1 b to the rear chassis 14. The rear chassis 14 is loaded with a motor and a battery (both not shown) so that the rear wheel 1b can be driven to rotate by the motor. A seat receiving tube portion 29 protrudes from the upper surface of the rear body 16. The driver's seat 4 is formed of a seat portion 30 and a backrest portion 31, and the seat portion 30 and the backrest portion 31 are pivotally attached by a rotating shaft 32, and the backrest portion 31 is disposed above the seat portion 30. The backrest 31 can be rotated forward so as to overlap. On both sides of the backrest 31, armrests 33 are pivotally attached by pivot shafts 34 so that they can be rotated between a state of projecting horizontally and a state of rising upward. A seat shaft 35 projects from the lower surface of the seat 30. By inserting the seat shaft 35 into the seat receiving tube portion 29 of the rear body 16, the vehicle is operated on the rear vehicle body 5 as shown in FIG. Seat 4 can be installed. The seat receiving tube 29 and the seat shaft 35 are provided with connecting holes 36 and 37, respectively, and the driver's seat 4 can be fixed by inserting the connecting pin 38 with the connecting holes 36 and 37 aligned. . Therefore, the driver's seat 4 can be removed from the rear body 16 as shown in FIG. 1 by removing the connecting pin 38 from the connecting holes 36 and 37 to release the fixing. Further, a guide rail 8 is fixedly attached to the rear chassis 14 below the rear body 16 of the rear vehicle body 5. The guide rail 8 is formed of a cylindrical body that is long in the front-rear direction. As shown in FIG. 5, a slit-like opening 40 is provided over the entire length of the lower surface. Two guide rails 8 are provided in parallel at the left and right ends of the rear vehicle body 5. A gear (pinion) 9 is disposed below the front end of each guide rail 8. A bearing plate 41 is fixed to both sides of the front end portion of each guide rail 8 so as to protrude downward, and one gear shaft 42 is rotatably passed through the four bearing plates 41. A gear 9 is fixedly attached to the lower side of each guide rail 8 of the gear shaft 42. In addition, one or both ends of the gear shaft 42 are provided with a square columnar handle engaging portion 43, and the square hole-like engaging hole 45 at the base of the rotating handle 44 is provided as a handle engaging portion. Each gear 9 can be turned by turning the gear shaft 42 by operating the turning handle 45 by being fitted to the attachment / detachment 43.

Then, by inserting and attaching the slide bar 6 provided on the front vehicle body 3 to the guide rail 8 provided on the rear vehicle body 5 as described above, the slide bar 6 and the guide rail 8 as shown in FIG. The front vehicle body 3 and the rear vehicle body 5 can be connected via each other. When the slide bar 6 is thus inserted into the guide rail 8, the rack 7 provided on the slide bar 6 protrudes downward from the opening 40 on the lower surface of the guide rail 8, and the slide bar 6 extends along the guide rail 8. It will be slidable in the front-rear direction. At this time, the gear 9 is meshed with the rack 7 protruding from the opening 40 on the lower surface of the guide rail 8. Therefore, by rotating the gear 9 and moving the rack 7, the slide bar 6 can be slid along the guide rail 8 in the front-rear direction.

As described above, by sliding the slide bar 6 back and forth along the guide rail 8, the front vehicle body 3 and the rear vehicle body 5 can be brought close to and separated from each other, as shown in FIG. The step plate 10 is attached on the slide bar 6 with the vehicle body 3 and the rear vehicle body 5 separated from each other. The step plate 10 is formed by forming locking pieces 47 bent downward on both side ends thereof, and insertion holes 48 are provided at positions corresponding to the mounting holes 27 provided on the slide bar 6. . Then, by inserting the mounting pin 49 from the insertion hole 48 into the corresponding mounting hole 27, the step plate 10 can be positioned and fixed. is there.

Thus, by attaching the step plate 10 on the slide bar 6 with the front vehicle body 3 and the rear vehicle body 5 separated from each other in this way, the gap between the front vehicle body 3 and the rear vehicle body 5 can be closed. It can be used as an electric riding cart A as shown in Fig. 2. Then, the user can travel by sitting on the driver's seat 4 with his feet on the step board 10 and holding and operating the handle 18 of the driver handle 2. Here, the operation handle 2 is provided with an operation unit 51 in which a power switch, a forward / reverse lever, a speed adjustment lever, and the like are arranged. Between the operation unit 51 and the motor of the rear vehicle body 5, a slide bar 6 and An electric wire is connected through the guide rail 8 so that operation from the driving handle 2 can be performed forward, backward, and traveling speed.

Here, in the electric passenger cart A of the present invention, the front vehicle body 3 and the rear vehicle body 5 are connected by two parallel slide bars 6, so the front vehicle body 3 and the rear vehicle body 5 are twisted with each other. The front vehicle body 3 and the rear vehicle body 5 can be firmly connected. Therefore, even when the electric passenger car A is a four-wheeled vehicle having a pair of wheels 1 on the front vehicle body 3 and the rear vehicle body 5, the four wheels can be grounded evenly and stably. It can be run.

Further, the electric passenger cart A of the present invention can be remotely operated by a wireless remote control system. That is, a portable transmitter 53 is used, and a signal is transmitted from the transmitter 53 to a receiver (not shown) built in the operation unit 51 of the driving handle 2. For example, as shown in FIG. 6, the transmitter 53 is provided with a grip 54 and an antenna 55 that are grasped by hand, and is provided with a power switch 56, a forward / reverse lever 57, a speed adjustment lever 58, and a direction conversion lever 59. It is. When the power switch 56, the forward / reverse lever 5 7 and the speed adjustment lever 58 of the transmitter 53 are operated, the operation signals are received by the receiver in the operation unit 51 of the operation handle 2, and the power switch of the operation unit 51, The forward / reverse lever and speed adjustment lever are linked to the operation of transmitter 53. Further, the driving handle 2 is formed so as to be rotated by an electric motor provided in the front vehicle body 3. When the direction changing lever 59 of the transmitter 53 is operated, the operation signal is transmitted to the operating portion 51 of the driving handle 2. The driving handle 2 is rotated by the motor in conjunction with the operation of the direction change lever 59 and is The travel direction of cart A can be changed.

Next, in order to make the electric passenger car A as shown in FIG. 2 compact in order to accommodate it, the mounting pin 49 is first removed and the step plate 10 is removed from the slide bar 6. Next, the handle L 45 is fitted into the handle engaging portion 43 of the gear shaft 42 to attach the turning handle 44, and the gear shaft 42 is rotated by the turning handle 44. When the gear shaft 42 is turned in the direction of the arrow (I) in FIG. 5 (a), the rack 7 is moved in the direction of the rear vehicle 5 as shown by the arrow (Π) in FIGS. Therefore, the slide bar 6 slides in the direction to be inserted into the guide rail 8, and the front vehicle body 3 and the rear vehicle body 5 come close to each other. By bringing the front vehicle body 3 and the rear vehicle body 5 close to each other in this way, the size in the front-rear direction of the electric riding force can be shortened to about 2Z3 as shown in FIG. is there. At this time, since the step plate 10 between the front vehicle body 3 and the rear vehicle body 5 is removed, the front vehicle body 3 and the rear vehicle body 5 can be brought close to each other until they completely come into contact with each other. It is possible to make it.

In addition, when the driving pin 2 is folded by removing the connecting pin 38 and removing the driver seat 4 from the rear vehicle body 5 and pulling the connecting pin 26 and tilting the upper handle shaft 19 backward, The height can be reduced to 12 or less, and it can be made more compact. In this way, as shown in FIG. 3, the electric riding cart A can be compacted to a volume of about 13 from the state of FIG. Therefore, for example, as shown in FIG. 7, it is possible to store the electric passenger cart A in the trunk chamber 62 of the sedan type automobile 61. It can be carried away from home and can be taken out of the rank rank room 62 and used at the destination. The driver's seat 4 removed from the electric passenger cart A is rotated and folded so that the backrest 31 is superimposed on the seat 30, and the armrest 33 is rotated upward to be parallel to the backrest 31. Thus, the bulk can be reduced, and the driver's seat 4 can be easily stored in the trunk chamber 62 of the automobile 61.

Next, when assembling the compact electric passenger cart A as described above, the rotating handle 44 is attached to the gear wheel shaft 42 and the gear shaft 42 is turned in the direction of arrow (III) in FIG. By rotating 9 the rack 7 moves away from the rear body 5 as shown by arrows (IV) in FIGS. Since the slide bar 6 moves in the direction, the slide bar 6 slides out of the guide rail 8 and the front vehicle body 3 and the rear vehicle body 5 are separated. After separating the front vehicle body 3 and the rear vehicle body 5 in this way, the step plate 10 is attached onto the slide bar 6 as described above, and further, as described above, the upper portion of the front vehicle body 3 is installed. It can be completed by turning the handle shaft 19 upward to bring the driving handle 2 upright and mounting the driving seat 4 on the rear body 5.

The procedure for compacting and assembling the electric passenger cart A is not limited to the above method, but in any case, it can be easily performed in a short time without the need for special tools. It is. The electric passenger cart A of the present invention can be equipped with optional accessories such as a shopping bag and a luggage bag.

Claims

The scope of the claims

1.In an electric passenger cart that is configured to run on wheels that are driven to rotate by an electric motor, separate the front car body with front wheels and control handle from the rear car body with rear wheels and driver seat. A pair of parallel slide bars projecting in the front-rear direction is attached to either the rear end portion of the front vehicle body or the front end portion of the rear vehicle body, and a rack is provided along each slide bar. A pair of parallel guide rails on which the slide bar is slidably inserted is attached to either one of the vehicle bodies, and a pair of gears that engage with the rack is provided. The rack is moved in the longitudinal direction by rotating the gears to slide the slide bar. By doing so, the front vehicle body and the rear vehicle body are configured to approach or separate from each other, and the front vehicle body and the rear vehicle body are separated from each other on the slide bar. Electric carts, wherein forming isosamples attached removably step plate.

2. In the dynamic riding cart according to claim 1,

The operation handle is formed so that it can be bent rearward, and the driver's seat is formed so as to be removable from the rear body.