JPH10255744A - Battery case attaching device for motor assisted bicycle and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate attaching/detaching work of a battery case accomodating a battery to/from a vehicle body in the case of a motor assisted bicycle and the like which use, as an auxiliary power source, an electric driving part rotating by using the said battery as an electric source. SOLUTION: A movable case 26, which can be laid/stood and is brought into an inclined state by bringing a stopper part 30 into hitting contact with a rest 23, is provided on a vehicle body. A battery case 20 is guided by and dropped into this inclined movable case and a projection part 22 provided on an outer surface lower part of the battery case 20 is fitted into a cutout hole made by opening a side surface of a support 24. Further, the movable case 26 is stood up and the battery case 20 also is stood up, and lastly the movable case 26 and the battery case 20 are locked on the vehicle body such that a lock means 31 is pushed down from above and engaged with them, and attachment is thus completed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery case containing a battery in an electric bicycle using a battery-powered electric drive unit which rotates as an auxiliary power source or a motorcycle starting an engine using a battery as a power source. The present invention relates to a device for mounting the vehicle on a vehicle body.

[0002]

2. Description of the Related Art In general, an electric bicycle is detachably attached to a vehicle body for charging a battery for rotating an electric drive unit for charging or the like. A device for attaching a battery case to a vehicle body in this conventional electric bicycle is disclosed in Japanese Utility Model Application No. 54-144196 (Japanese Utility Model Application Publication No.
6 to 8 as known in microfilms and the like. That is,
A battery case 1 containing a battery is detachably attached to a section defined by an upright pipe 2, a seat stay 3, a main pipe 4, and a mudguard 5 forming a bicycle frame. To explain this detachable mounting device,
Reference numeral 6 denotes a protrusion provided on the front and rear of the lower part of the battery case 1, reference numeral 7 denotes a handle provided on the upper part of the battery case 1, reference numeral 8 denotes a support having a cutout hole 9 on a side surface with which the protrusion 6 is detachably engaged. It stands up and down on a mounting table 10 fixed to the main pipe 4.
A lock means 11 rotatably supports one end of the vertical pipe 2 at one end thereof and locks the other end to the frame body. The lock means 11 is engaged with the handle 7 of the battery case 1 and the other end of the frame is connected to the frame. Removably locks to the body. In the figure, reference numeral 12 denotes an assist electric drive unit for driving the rear wheels, and reference numeral 13 denotes a foot pedal for rotating the rear wheels.

In the above configuration, the battery case 1 is attached to the vehicle body by holding the handle 7 of the heavy battery case 1 with one hand and supporting the battery case 1 with the other hand as shown in FIG. The installer fits the protrusion 6 into the cutout hole 9 while taking a low posture and viewing it. When the user raises the battery case 1 to the upright position shown by the arrow while supporting the battery case 1 with one hand, the protrusion 6 rotates about the notch 9 as a fulcrum, and FIG.
And the projection 6 engages with the cutout hole 9 to stop the vertical and horizontal movements. Finally, the locking means 11 is lowered from above as shown by the arrow in FIG. 8 to engage with the handle 7, and the other end of the locking means 11 is locked to the frame body. Battery case 1
Is performed in the reverse order of the mounting.

[0004]

As described above, in order to fit the protrusion 6 of the battery case 1 into the cutout 9 of the support 8, the installer can tilt the heavy battery case 1 with one or both hands. Since the work is performed while being supported and visually observed in a posture of a middle waist, it is difficult to fit the work.

[0005] Even if the battery case 1 is supported by the support 8 as shown in FIG. 8, the battery case 1 is not supported by the hand until the locking by the locking means 11 as shown in FIG. This caused the battery case 1 to fall off.

Therefore, as a whole, the work of attaching and detaching the battery case is extremely inconvenient and difficult.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art. A battery case mounting device for an electric bicycle or the like for facilitating attachment / detachment of a battery case to / from a vehicle body and preventing the battery case from falling off due to an incorrect mounting operation. I will provide a.

[0008]

In order to solve the above problems, a first means of the present invention is to provide a support provided on a vehicle body, and a battery rotatably supported by fitting and recessing the support to the support. A case, a movable case that is provided on the vehicle body so as to be capable of being inverted, and guides the battery case so as to fit into the support in an inclined manner in the inclined state, and also raises the battery case when standing up. And a lock means for fixing in an upright state.

According to a second aspect of the present invention, the movable case for guiding the battery case toward the support is provided with a stopper for maintaining the movable case in an inclined state during the guiding.

Further, a third means of the present invention is that the cover for covering the battery case is also used as a movable case.

In a fourth aspect of the present invention, the locking means locks both the movable case and the battery case.

[0012]

In order to solve the above-mentioned problems, the invention according to claim 1 comprises a support provided on a vehicle body and a rotatable battery case which is supported by being fitted into and recessed from the support and is rotatable. ,
A movable case that is provided on the vehicle body so that it can be turned upside down, and guides the battery case so that it fits into the support with the support in an inclined state, and also raises the battery case when standing up, and a state in which the movable case and the battery case are raised And a lock means for fixing with.

Then, when the battery case is dropped along the back side of the movable case that has been released from the locking means and tilted down, the battery case is guided toward the support and fitted into the concave and convex. In this state, when the movable case is raised, the battery case is similarly raised, and finally the battery case and the movable case are locked by the locking means, whereby the mounting is completed. Therefore, the work of supporting the battery case by hand and the work of adjusting the mounting position are not required.

According to a second aspect of the present invention, the movable case is provided with a stopper for maintaining an inclined state for guiding the battery case. Therefore, the movable case can be maintained in an inclined state by the stopper portion by itself, so that the guide of the battery case is facilitated and the attaching / detaching operation is facilitated.

Further, in the invention according to claim 3, the movable case utilizes a cover for covering the battery case. Therefore, there is no need to separately provide a movable case for guiding the battery case, so that the structure is simplified.

Further, according to a fourth aspect of the present invention, the locking means locks the movable case and the battery case together. Therefore, no locking means is required for each of the movable case and the battery case, and the locking work and structure are simplified.

(Embodiment) An embodiment of the present invention will be further described with reference to FIGS. Reference numeral 20 denotes a rectangular battery case in which a battery for charging (not shown) is provided. A handle 21 is required at the time of carrying the battery at the top, and a vertically long elliptical shape is required before and after the lower portion of the outer surface, which is necessary for attachment to the body of the electric bicycle. Each of the protrusions 22 is provided. Reference numeral 23 denotes a mounting table mounted on the vehicle body, on which the battery case 20 is mounted. Reference numeral 24 denotes a pair of supports having a cutout hole 25 having an open side surface. The supporter is fixed upright on the mounting table 23 in the front-rear direction, and the protrusion 22 of the battery case 20 is detachably engaged with the mounting stand 23. Reference numeral 26 covers a left side surface and a part of the upper and lower surfaces of the battery case 20 attached to the vehicle body, and guides the battery case 20 like a slide when attaching the battery case 20 to the vehicle body. Is a movable case that also guides so as to fit into the notch hole 25. The front and rear side surfaces of the lower end are supported by shaft holes 29 of a pair of fulcrum arms 28 by a shaft 27, and are provided so as to be capable of being inverted as shown in FIGS. I have. Fulcrum arm 2
8 is integrally fixed in advance using a support tool 24 as shown in FIG. Reference numeral 30 denotes a stopper unit integrally provided at a lower end portion of the movable case 26. The stopper unit 30 contacts the side wall 23a of the mounting table 23 when the movable case 26 is tilted down as shown in FIG. The angle at this time is set such that the protrusion 22 of the battery case 20 fits into the notch 25. One end 31 is rotatably connected to a vertical pipe 32 and the other end can be locked integrally with a lock 34 of a seat stay 33, but can be locked so that it does not come off independently. The handle 21 of the battery case 20 and the upper end 26 of the movable case 26
a. Engage and fix both. The body of the bicycle includes a standing pipe 32, a seat stay 33, a main pipe 35, a chain stay 36, and the like. The battery case 20 is attached to a portion surrounded by the upright pipe 32, the seat stay 33, the main pipe 35, and the mudguard 37 as in the conventional case. The outer surface on the right side of the battery case 20 also
The movable case 26 is covered with a cover 38 having the same shape as that of the movable case 26. Reference numeral 39 denotes an electric drive unit for assisting rotation of the battery to drive the rear wheels, and reference numeral 40 denotes a foot pedal for rotating the rear wheels.

In the above configuration, in order to attach the battery case 20 to the vehicle body, the lock is released and the lock means 31 is moved upward so that the movable case 26 from which the upper end portion 26a is unlocked by locking is removed as shown in FIG. The movable case 26 is stopped at an inclination angle of 40 degrees with the stopper portion 30 abutting against the side wall 23a of the mounting table 23 while tilting down. In this state,
Holding the handle 21 of the battery case 20 with one hand, the battery case 2
When the lower part of the lower part 0 is dropped along the back surface of the movable case 26 so as to slide on the slide as shown by an arrow, as shown in FIG. The battery case 20 is supported along the movable case 26. Subsequently, when the movable case 26 is raised with one hand in the direction of the arrow, the protrusion 22 rotates in the cutout hole 25, and the battery case 20 is also raised. Handle 21, upper end 26
a, and the locking means 31 is also locked to complete the mounting of the battery case 20 as shown in FIG.

The removal of the battery case 20 from the vehicle body is performed in the reverse order of the above-described mounting order.

As described above, the battery case 20 includes the movable case 2
6 moves like a slide, and the projection 22 fits into the notch 25 of the support 24 by itself. In addition, even if the hand is released, the battery case 20 is kept
It is supported by a movable case 26 maintained at an angle of degrees.
Further, just by raising the movable case 26, the battery case 20 also rises in conjunction with this, and the locking means 3
If both are locked at the same time in step 1, the mounting is completed. Therefore, even if the number of movable cases 26 increases, the mounting operation becomes easier than in the past.

Note that the locking means 3 in the above embodiment is used.
Reference numeral 1 indicates that the movable case 26 and the battery case 20 are both locked. However, it is needless to say that only the movable case 26 may be provided with a separate locking means and may be opened and closed by operating a push button. Further, the movable case 26 also serves as a cover for the battery case 20, but is not limited to this.

Further, in the above embodiment, the battery case 20
It is supported by the support tool 24 so as not to shift up, down, left and right by the engagement between the projection 22 and the notch hole 25. However, the present invention is not limited to this configuration.
Any configuration can be used as long as the battery case 20 can be rotated and raised when the movable case 26 is raised.

[0023]

As described above, according to the first aspect of the present invention, the battery case is tilted so that the movable case provided on the vehicle body can be turned upside down so that the battery case and the support for supporting the battery case are fitted into the battery case. The battery case is raised by guiding and raising the battery case.Therefore, there is no need to visually fit the unevenness while supporting the heavy battery case by hand, as in the past. Easy attachment / detachment work.

According to the second aspect of the present invention, a stopper is provided on the movable case, and the stopper is maintained in an inclined state when the movable case is tilted down. There is no danger of falling off due to a sufficient amount, and the attachment and detachment work can be performed safely and easily.

Further, in the invention according to claim 3, since the cover for covering the battery case is used for the movable case, the configuration can be simplified.

Further, in the invention according to claim 4, both the movable case and the battery case are fixed together by the locking means, so that not only the structure can be simplified, but also the fixing operation can be facilitated.

[Brief description of the drawings]

FIG. 1 is a front view of a battery case mounting device for an electric bicycle or the like according to the present invention in a mounted state.

FIG. 2 is a diagram showing a state where the battery case is started to be mounted in the device.

FIG. 3 is a view showing the battery case in the middle of mounting the device.

FIG. 4 is an exploded perspective view of a main part of the apparatus.

FIG. 5 is a side view of the electric bicycle in which the device is implemented.

FIG. 6 is a side view of an electric bicycle in which a conventional battery case mounting device is implemented.

FIG. 7 is a diagram showing a state in which a conventional device is being mounted.

FIG. 8 is a diagram showing an attached state in a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 20 Battery case 21 Handle 22 Projection part 24 Supporting tool 25 Notch hole 26 Movable case 30 Stopper part 31 Lock means

Claims (4)

[Claims] 1. A support provided on a vehicle body, a battery case which is supported by being fitted into and recessed from the support and is rotatable, and a support which is provided on the vehicle body so as to be capable of being inverted and tilted in an inclined state. A battery case mounting for an electric bicycle or the like, comprising: a movable case for guiding the battery case so as to fit into the concave and convex portions, and for raising the battery case when standing up; and a locking means for fixing the movable case and the battery case in an upright state. apparatus. 2. The battery case mounting device for an electric bicycle or the like according to claim 1, wherein the movable case has a stopper for maintaining the battery case in an inclined state for guiding the battery case. 3. The battery case mounting device for an electric bicycle or the like according to claim 1, wherein the movable case also serves as a cover for covering the battery case. 4. The battery case mounting device for an electric bicycle or the like according to claim 1, wherein the locking means locks both the movable case and the battery case.