JPH0592962U - Electric cart battery unit mounting structure - Google Patents

Abstract

(57) [Abstract] [Purpose] Just insert the battery unit from the top of the pocket to make sure that the battery unit and socket are securely connected even if you have luggage in, and protect the battery unit and socket against body vibration. To improve durability. [Structure] A pocket 12 slightly larger than the battery unit 7 is provided on the outside of the luggage compartment 6, and a socket 15 having a connection terminal 16 protruding upward is provided on the inner bottom portion of the pocket 12.
The bottom part of 15 is fixed to the vehicle body bottom plate 3 of the electric cart via a vibration absorbing material 14.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric cart used on the road such as a shopping cart, and particularly to an improved battery unit mounting structure.

[0002]

[Prior Art]

 In recent years, the number of large stores such as supermarkets has increased, and many products have been bought at once, and many shopping carts have been used to carry them to home. Most of the usual shopping trips range from the home to the store from 2 to 3 km, and when the luggage is heavy and the slopes are heavy, the shopping cart becomes heavy, which is a heavy labor for weak housewives and the elderly. For this reason, electric carts have been developed that drive the motor as auxiliary power by a switch operation only when the load is heavy or when the load increases, such as when climbing a slope.

In a conventional electric cart, a motor (not shown) is mounted inside a motor box 1 as shown in FIG. 3, and wheels 2 and 2 are mounted on both sides of the motor box 1 by connecting to the motor. ing. A vehicle body bottom plate 3 is provided on the upper portion of the motor box 1, and pipes 4 and 4 are erected vertically in parallel therethrough, and a handle 5 is provided laterally on the upper portion. Further, a luggage case 6 formed of a sheet is attached to the upper part of the vehicle body bottom plate 3 so as to surround the pipes 4 and 4. A secondary battery is used as the drive power source for the motor of this electric cart, and the battery unit 7 incorporating this secondary battery and peripheral circuits is connected to the lead wire 8 that connects to the motor, and then the inside of the luggage compartment 6 It is stored in a pocket 9 provided at the bottom.

When the battery runs out, the battery unit 7 is replaced with a pre-charged spare battery unit 7. However, since the pocket 9 is provided on the bottom side of the luggage case 6, the cover 10 is opened and the inside is opened. Take out the battery unit 7 and connect the lead wire 8 to the spare battery unit 7 by removing it from the insertion jack. After this, it was stored again in the pocket 9 provided on the bottom side of the luggage compartment 6. For this reason, it is troublesome to take out the battery unit 7 and connect the ends of the lead wires 8 to match the insertion jack. It was troublesome for me, and the lead wire 8 was taken in and out of the luggage compartment 6 every time it was replaced, so there was a risk of disconnection.

[0005]

[Problems to be solved by the device]

 The present invention eliminates the above-mentioned drawbacks and makes it easy to connect the battery unit by simply inserting it from the top of the pocket even if there is luggage, and replacing it easily, and protects the battery unit and socket against vibration of the car body. Thus, a battery unit mounting structure for an electric cart with improved durability is provided.

[0006]

[Means for Solving the Problems]

 According to the present invention, a pocket slightly larger than the battery unit is provided on the outside of the luggage compartment, and a socket having a connecting terminal projecting upward is provided on the inside bottom portion of the pocket. The bottom portion of the socket is connected to the electric cart via a vibration absorbing material. It is characterized by being fixed to the bottom plate of the car body.

[0007]

[Action]

 When mounting the battery unit, the battery unit mounting structure of the present invention is formed so that when the pocket is opened and the insertion jack of the battery unit is inserted downward, the pocket is slightly larger than the battery unit and supports the side surface. Therefore, the connection terminal that is inserted into the socket while being guided by the inner surface of the pocket and that is protruded upward can be connected to the insertion jack of the battery unit.

Further, while the electric cart is traveling, vibrations from the wheels are transmitted to the vehicle body bottom plate, but since the socket is attached to the vehicle body bottom plate via the vibration absorbing material, the vibration is absorbed and the battery unit Since the side surface is supported by the inner surface of the socket and pocket, it prevents the battery unit from swaying even in the case of lateral vibration, preventing the connection terminals from being screwed, and protecting the internal electronic components. Can be protected. Further, since the pocket is provided on the outer side surface of the luggage compartment, the battery unit can be easily replaced even if the luggage is accommodated.

[0009]

【Example】

 Hereinafter, the present invention will be described in detail with reference to FIGS. As shown in FIG. 1, a motor (not shown) is mounted inside the motor box 1, and wheels 2, 2 are mounted on both side surfaces of the motor box 1 in connection with the motor. Further, a vehicle body bottom plate 3 is provided on an upper portion of the motor box 1, and pipes 4 and 4 are erected in parallel vertically penetrating therethrough, and a handle is provided laterally on the upper portion. Further, a luggage compartment 6 formed of a sheet is attached to the upper portion of the vehicle body bottom plate 3 so as to surround the pipes 4 and 4.

The vehicle body bottom plate 3 projects laterally above the wheels 2, and a pocket 12 formed by a sheet is provided on the upper surface of the projecting plate 11 and is integrally formed outside the luggage compartment 6. As shown in FIG. 2, the pocket 12 is slightly larger than the battery unit 7 and is formed to have a size to support this side surface, and a cover 13 is attached to the upper portion thereof. On the upper surface of the protruding plate 11 located inside the cover 13, a box-shaped socket 15 made of plastic and having an open top is provided via a vibration absorbing material 14 such as a sponge. The connection terminals 16 are shaped to project upward.

In the battery unit mounting structure of the electric cart, when the battery unit 7 is mounted, first, the cover 13 of the pocket 12 is opened, and the insertion jack 17 of the battery unit 7 is inserted downward into the pocket 12. Since the pocket 12 is formed to be slightly larger than the battery unit 7 and supports this side surface, it is inserted into the socket 15 while being guided by the inner surface of the pocket, and the pin-shaped connection terminal 16 is inserted with one touch into the jack 17. It can be connected, and it is possible to prevent disconnection of the lead wire as in the past.

Further, while the electric cart is traveling, vibrations from the wheels 2 are transmitted to the vehicle body bottom plate 3, but since the socket 15 is attached to the projecting plate 11 of the vehicle body bottom plate 3 via the vibration absorbing material 14. Since the vibration is absorbed by the vibration absorbing material 14 and is not transmitted to the battery unit 7, and the side surface is supported by the inner surface of the socket 15 and the pocket 12, the vibration of the battery unit 7 is suppressed against the lateral vibration. The pin-shaped connecting terminal 16 can be prevented from being screwed, and at the same time, the internal electronic components can be protected and the durability can be improved. Further, since the pocket 12 is provided on the outer side surface of the luggage compartment 6, the battery unit 7 can be easily replaced even when luggage is contained.

In the above embodiment, the pocket 12 for accommodating the battery unit 7 is formed of a sheet, but it may be formed of a plastic cylindrical body.

[0014]

[Effect of the device]

 As described above, according to the battery unit mounting structure of the electric cart according to the present invention, the pocket for storing the battery unit is provided outside the luggage compartment, so that the battery unit can be easily replaced even when luggage is accommodated. In addition, it is convenient for housewives and old people as it can be securely connected with one touch just by inserting the battery unit from the top of the pocket.In addition, it absorbs the vibration of the car body and protects the connection terminals of the battery unit and socket. And durability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main part of an electric cart according to an embodiment of the present invention.

2 is an enlarged perspective view showing the battery unit mounting structure of FIG. 1. FIG.

FIG. 3 is a cross-sectional view showing a conventional electric cart.

[Explanation of signs] 2 Wheels 3 Pulleys 6 Baggage compartment 7 Battery unit 8 Lead wire 9 Pocket 11 Projection plate 12 Pocket 13 Cover 14 Vibration absorber 15 Socket 16 Connection terminal 17 Plug jack

Claims (1)

[Scope of utility model registration request] 1. A pocket, which is slightly larger than the battery unit, is provided on the outside of the luggage compartment, and a socket is provided at the inner bottom thereof so as to project the connection terminal upward, and the bottom of the socket is provided with a vibration absorbing material through an electric cart. A battery unit mounting structure for an electric cart, which is fixed to the vehicle bottom plate.