JP2000289668A - Lock system of electric moter vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock system of electric motor vehicle in which the failure of cutting off of the main switch can be prevented, as well as the burden of a rider can be reduced by simplifying the unlocking operation of a lock device. SOLUTION: In an electric motor bicycle (electric motor vehicle) furnished with a battery; a front wheel lock (locking device) 25; and a rear wheel lock (locking device) 26; a main power source switch made ON/OFF by the operation of a key 43 and an unlocking switch are provided on the rear wheel lock 26, and an electromagnetic solenoid (actuator) to unlock the front wheel lock 25 by turning on by a signal from the above unlocking switch is provided on the front wheel lock 25, and the system is composed to carry out the unlocking of the front wheel lock 25 and the rear wheel lock 26, and the ON/OFF operation of the main power source, by a single key operation. As a result, since the unlocking of the front wheel lock 25 and the rear wheel lock 26, and the ON/OFF operation of the main power source, are carried out by a single key operation, a failure of cutting off of the main power source can be prevented, as well as the burden of a rider can be reduced, by simplifying the unlocking operation of the front wheel lock 25 and the rear wheel lock 26.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock system for an electric vehicle including a battery and a plurality of lock devices.

[0002]

2. Description of the Related Art For example, in an electric bicycle, a lock device such as a circle lock may be provided on each of a front wheel and a rear wheel in order to improve the anti-theft effect. It was necessary to unlock each of the lock devices separately.

[0003]

However, as described above, there is a problem that the operation of unlocking each of the front and rear wheel locking devices separately is cumbersome and troublesome for the occupant.

In an electric bicycle, for example, even when the bicycle is parked and the locking device is in a locked state, the hand is turned ON / OFF.
Since the OFF switch, the battery light switch, and the like are electrically connected to the battery, the user sometimes forgets to turn off these switches.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object the purpose of unlocking all the lock devices and turning on / off the main power supply with a single key operation. An object of the present invention is to provide a lock system for an electric vehicle that simplifies an unlocking operation of a device to reduce a burden on an occupant and prevents forgetting to turn off a main power supply.

[0006]

According to a first aspect of the present invention, there is provided an electric vehicle having a battery and a plurality of lock devices, wherein one lock device is turned on / off by a key operation. A power switch and an unlocking switch are provided, and an actuator for turning on the locking device by turning on a signal from the unlocking switch is provided in another locking device, and unlocking of all the locking devices by a single key operation. The main power supply is turned on / off.

According to a second aspect of the present invention, in the first aspect of the present invention, the locking device comprises a front wheel lock and a rear wheel lock provided on a front wheel side and a rear wheel side, respectively. A power switch and an unlock switch are provided, and the other is provided with the actuator.

According to a third aspect of the present invention, in the first or second aspect, the actuator is formed of an electromagnetic solenoid.

Therefore, according to the present invention, all the lock devices are unlocked and the main power is turned on / off by a single key operation.
Since the configuration is such that the OFF operation is performed, the unlocking operation of the lock device is simplified, the burden on the occupant is reduced, and the forgetting to turn off the main power supply can be prevented.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view of an electric bicycle provided with a lock system according to the present invention, FIG. 2 is a front view of a rear wheel lock, FIG. 3 is a view of the rear wheel lock with a cover removed, and FIG. FIG. 5 is a front view of the front wheel lock, FIG. 6 is a view of the front wheel lock with the cover removed, and FIG. 7 is a sectional view taken along line AA of FIG. 8 is an explanatory diagram of the operation of the front wheel lock,
FIG. 9 is a block diagram showing the configuration of the lock system according to the present invention.

First, a schematic configuration of the electric bicycle 1 will be described with reference to FIG.

In FIG. 1, reference numeral 2 denotes a head pipe located at an upper front part of a vehicle body, and a handle stem 3 is rotatably inserted through the head pipe 2. A handle 4 is attached to an upper end of the handle stem 3, and a front fork 5 is attached to a lower end of the handle stem 3. A front wheel 6 is rotatably supported at a lower end of the front fork 5. . The front fork 5 is turned on / off by a battery light switch 44 shown in FIG.
A headlight 7 to be turned off is attached.

A down tube 8 extends obliquely downward from the head pipe 2 toward the rear of the vehicle body.
From the rear end of the down tube 8 extending substantially horizontally, a seat tube 9 is erected diagonally upward toward the rear of the vehicle body. A seat post 10 is fitted and held in the seat tube 9 so that a vertical position can be adjusted. A saddle 11 is rotatably supported at the upper end of the seat post 10.

Further, a power unit 12 is provided substantially below the center of the vehicle body and supported by the down tube 8 and the seat tube 9. This power unit 12
A drive system based on human power (pedal force) and an auxiliary power system based on the electric motor 13 are provided side by side. The drive system combines human power (pedal force) and auxiliary power and outputs the combined power. An electric motor 13 and a controller 14 for controlling the motor output according to the magnitude of human power (pedal force) are provided. A crankshaft 15 is rotatably supported by the power unit 12, and a crank (only one is shown in the figure) 16 is provided on the left and right sides of the crankshaft 15.
Is attached, and the end of each crank 16 is provided with a pedal 17.
Is supported.

On the other hand, a pair of right and left chain stays 18 extend substantially horizontally from the power unit 12 toward the rear of the vehicle body, and a pair of left and right seat stays 19 extend from the upper end of the seat tube 9. It extends obliquely downward toward the rear. The rear ends of each of the left and right chain stays 18 and each of the seat stays 19 are connected via a bracket 20, and a rear wheel 21 is rotatably supported by the left and right brackets 20.
A wheel sprocket 22 is attached to the rear wheel 21, and an endless chain 23 is wound between the wheel sprocket 22 and a drive sprocket (not shown) provided in the power unit 12. .

A battery box 24 is detachably mounted in a space below the saddle 11 and surrounded by the seat tube 9 and the rear wheel 21. The battery box 24 stores a battery (not shown) composed of a plurality of rechargeable batteries (secondary batteries).

Incidentally, in the electric bicycle 1 according to the present embodiment, a front wheel lock 25 as a locking device for locking the rotation of the front wheel 6 is attached to the upper rear surface of the front fork 5, and the rotation of the rear wheel 21 is prevented. A rear lock 26 as a locking device for locking is mounted on the pair of left and right seat stays 19. The front and rear wheel locks 25 and 26 are both configured as circle locks.

Here, the structure of the rear lock 26 is shown in FIGS.
It will be described based on.

The rear wheel lock 26 is constructed by slidably storing a half-ring-shaped lock bar 26B in a horseshoe-shaped housing 26A mounted on the pair of left and right seat stays 19 (see FIG. 1). The lock bar 26B is urged in the unlocking direction by a spring (not shown) housed in the housing 26A. As shown in FIG. 2, a knob 27 protruding from the upper surface of the housing 26A is provided integrally with the lock bar 26B, and holds the knob 27 at the position shown by the chain line in FIG. 2 in the unlocked state. When this is moved along the arc-shaped guide groove 26a formed in the housing 26A to the position indicated by the solid line in FIG.
Together with this, the lock bar 26B moves from the unlocked position shown by the chain line in FIG. 3 to the locked position shown by the solid line, whereby the rear wheel lock 26 is locked and the rotation of the rear wheel 21 is locked. You.

A key cylinder 28 is provided in the housing 26A. A rotor 30 is connected to a shaft 29 of the key cylinder 28 as shown in FIG. Main power switch 31
, An unlock switch (solenoid switch) 32 and a slider 33 and a leaf spring 34 are provided. An engagement groove 26b for engaging and disengaging the slider 33 is formed in a part of the outer periphery of the lock bar 26B. The slider 33 is slidably held by a spring 35 in the direction of the lock bar 26B. (Engagement groove 26b
In the direction in which it engages.

Around the rotor 30, arm portions 30a and 30b which act on the main power switch 31 and the unlock switch 32 to selectively turn them on.
And acts on the slider 33 to cause it to
And a projection 30d which engages with the leaf spring 34 to form a click mechanism together with the leaf spring 34.

Next, the structure of the front wheel lock 25 will be described with reference to FIGS.

The front wheel lock 25 is configured such that a half-ring-shaped lock bar 25B is slidably housed in a horseshoe-shaped housing 25A attached to the front fork 5, and the lock bar 25B is housed in the housing 25A. It is urged in the unlocking direction by a stored spring (not shown). Although not shown, a knob protruding from the back surface of the housing 25A is provided integrally with the lock bar 25B. The knob is grasped and moved along an arc-shaped guide groove formed in the housing 25A. Then, similarly to the rear wheel lock 26, the lock bar 25B moves from the unlocked position to the locked position, whereby the front wheel lock 25 is locked and the rotation of the front wheel 6 is locked.

A key cylinder 36 is provided in the housing 25A, and the key cylinder 36 is provided with a rod 37 which comes and goes in the directions indicated by arrows in FIGS. A locking lever 38 that engages with and disengages from an engagement groove 25b formed in a part of the outer periphery of the lock bar 25B is inserted into and held by the rod 37. As shown in FIG. 7, the locking lever 38 is bent into an L-shape when viewed from the side, and its end is connected to a rod 39a of an electromagnetic solenoid 39 housed in the housing 25A.
The electromagnetic solenoid 39 is electrically connected to an unlocking switch 32 provided on the rear wheel lock 26 via a lead wire 41 connected to the front wheel lock 25 by a coupler 40 shown in FIG. The lock switch 32 is electrically connected to a battery (not shown) housed in the battery box 24 (see FIG. 1). One end of the main power switch 31 provided on the rear wheel lock 26 is connected to the headlight 7 via a battery light switch 44 as shown in FIG. The other end is electrically connected to a battery (not shown) stored in the battery box 24 (see FIG. 1).

The lock system according to the present invention includes the front wheel lock 25 and the rear wheel lock 26. The operation of this lock system will be described below.

Key cylinder 28 provided on rear wheel lock 26
As shown in FIG. 2, there is an “OFF” position (locking position) where the key 43 shown in FIG. 1 can be inserted and removed, and the key 43 can be moved left and right by a predetermined angle (30 degrees) from the “OFF” position.
°), which can be turned only by an “unlock” position (lock bar release position) and an “ON” position (main power switch ON position). When the electric bicycle 1 is parked, the front wheel lock 25 and the rear wheel lock are provided. 26 are both locked, and the theft of the electric bicycle 1 is prevented by the front wheel 25 and the rear wheel 26 in a double manner.

By the way, in the locked rear wheel lock 26, the key 43 can be removed at the "OFF" position shown in FIG. 2, and the lock bar 26B is in the locked position shown by the solid line in FIG. The slider 33 is engaged with the engagement groove 26b formed in a part of the outer periphery of the lock bar 26B.
Is locked in a locked state. At this time, the rotor 30 connected to the shaft 29 of the key cylinder 28 of the rear lock 26 is in the state shown in FIG. 4B, and the two arms 30a and 30b formed on the rotor 30 are connected to the main power switch. Neither the main power switch 31 nor the unlock switch 32 is in contact with either of the main power switch 31 and the unlock switch 32.

Therefore, when the key position of the rear lock 26 is in the "OFF" position and both the main power switch 31 and the unlock switch 32 are in the OFF state as described above,
As shown in FIG. 9, the electromagnetic solenoid 39 provided on the front wheel lock 26 and the battery of the power unit 12 (see FIG. 1) are not connected to each other, and they are both in a non-energized state.

As described above, when the electromagnetic solenoid 39 provided on the front wheel lock 25 is not energized from the battery and the electromagnetic solenoid 39 is in the OFF state, as shown in FIG. The rod 39a of the electromagnetic solenoid 39 is in a retracted state, and the locking bar 38 having one end connected to the rod 39a is in a locked state.
The lock bar 25B is fixed to a locked position by engaging with a locking groove 25b formed on the outer periphery of 5B.

When the bicycle is parked, the front and rear wheel locks 25 and 26 are locked.
1 is in the locked state, the main power switch 31 provided on the rear wheel lock 26 is in the OFF state, and FIG.
Regardless of the ON / OFF state of the hand ON / OFF switch 42 and the battery light switch 44 shown in FIG. 9, the power unit 12 and the battery are de-energized as shown in FIG. Forgetting to turn off the switch 44 and mischief for the switch 44 are surely prevented.

When the electric bicycle 1 is parked, the key 43 is inserted into the key cylinder 28 of the rear lock 26, and the key 43 is moved from the "OFF" position to the left in FIG. Turn to the "lock" position. Then, as shown in FIG. 4C, the rotor 30 rotates in the direction of the arrow (the direction opposite to that in FIG. 2), and its lever portion 30c abuts on the slider 33 to resist the urging force of the spring 35. In the direction of the arrow, and one arm 30b is
To turn it on.

When the slider 33 moves as described above,
Since the engagement of the slider 33 with the engagement groove 26b of the lock bar 26B is released and the lock bar 26B returns to the unlocked position (the position shown by the chain line in FIG. 3) by the urging force of a spring (not shown), The lock 26 is unlocked. When the unlock switch 32 is turned on as described above, the battery and the electromagnetic solenoid 39 of the front wheel lock 25 are connected as shown in FIG. 9, and the electromagnetic solenoid 39 is energized from the battery to turn on the electromagnetic solenoid 39. Therefore, as shown in FIG. 8B, the rod 39a of the electromagnetic solenoid 39 strokes by ΔS in the direction of the arrow, causing the locking lever 38 to stroke by the same amount in the same direction. The engagement of the engagement groove 25B with the engagement groove 25b is released. Then, since the lock bar 25B of the front wheel lock 25 returns to the unlock position by the urging force of the spring (not shown), the front wheel lock 25 is also unlocked.

As described above, when the rear wheel lock 26 is unlocked by turning the key 43 from the "OFF" position to the "unlocked" position,
At the same time, the electromagnetic solenoid 39 of the front wheel lock 25 is energized from the battery and the electromagnetic solenoid 39 is turned on, so that the front wheel lock 25 is also unlocked. In addition, front wheel lock 25
Can be unlocked independently by manual key operation of the key cylinder 36.

After the front and rear wheel locks 25 and 26 are unlocked simultaneously by a single key operation as described above, the key 43
2 is turned rightward in FIG. 2 to the "ON" position, as shown in FIG. 4A, the rotor 30 of the rear wheel lock 26 rotates in the direction of the arrow, and one arm 30b of the rotor 30 is unlocked. 32, and the other arm 30a is connected to the main power switch 31.
Therefore, the unlock switch 32 is turned off and the main power switch 31 is turned on at the same time. As a result,
As shown in FIG. 9, the battery and the power unit 12 are energized and the power unit 12 can be operated, and the assisted traveling of the electric bicycle 1 by receiving the auxiliary power from the power unit 12 is enabled.

As described above, in the present embodiment,
A single key operation on the rear lock 26 allows the front lock 25
In addition, since the unlocking of the rear wheel lock 26 and the ON / OFF operation of the main power supply can be performed, it is not necessary to unlock the front wheel lock 25 and the rear wheel lock 26 separately, and the unlocking operation is simplified. The burden on the occupants is reduced, and ON / OF at hand when parking the bicycle
It is possible to prevent forgetting to turn off the F switch 42 and the battery light switch 44 and mischief for them.

In this embodiment, as shown in FIG. 2, the key operation position of the rear wheel lock 26 is centered on the "OFF" position, and the "unlocked" position and the "ON" position are distributed to the left and right of the center. However, as shown in FIG.
The "OFF" position and the "unlocked" position may be separately arranged on the left and right of the "N" position with the center at the "N" position, and the order of key operations before traveling may be "OFF" → "unlocked" → "ON".

Although the above description has been made of the form in which a front lock and a rear lock composed of a circle lock are employed as a plurality of lock devices, the present invention is directed to a lock device of another type of front wheel lock, rear wheel lock or other lock device. Can of course be applied to the case where a handle lock or the like is used.

In the above, the form in which the present invention is applied particularly to an electric bicycle has been described. However, it is needless to say that the present invention is similarly applicable to any other electric vehicle.

[0040]

As is apparent from the above description, according to the present invention, in an electric vehicle including a battery and a plurality of lock devices, one lock device is turned on / off by a key operation.
A main power switch to be turned off and an unlocking switch are provided, and another locking device is provided with an actuator which is turned on by a signal from the unlocking switch to unlock the locking device, and all locking devices are operated by a single key operation. , And the ON / OFF operation of the main power supply is performed, so that the operation of unlocking the lock device is simplified, the burden on the occupant is reduced, and the effect of preventing forgetting to turn off the main power supply can be obtained. .

[Brief description of the drawings]

FIG. 1 is a side view of an electric bicycle including a lock system according to the present invention.

FIG. 2 is a front view of a rear wheel lock constituting the lock system according to the present invention.

FIG. 3 is a rear view of the rear lock constituting the lock system according to the present invention, with a cover removed and viewed from the back.

FIG. 4 is an operation explanatory view of a rear wheel lock constituting the lock system according to the present invention.

FIG. 5 is a front view of a front wheel lock constituting the lock system according to the present invention.

FIG. 6 is a view of the front lock constituting the lock system according to the present invention, with the cover removed and viewed from the back.

FIG. 7 is a sectional view taken along line AA of FIG. 5;

FIG. 8 is an operation explanatory view of a front wheel lock constituting the lock system according to the present invention.

FIG. 9 is a block diagram showing a configuration of a lock system according to the present invention.

FIG. 10 is a diagram showing another form of the key operation position.

[Explanation of symbols]

 Reference Signs List 1 electric bicycle (electric vehicle) 6 front wheel 12 power unit 21 rear wheel 25 front wheel lock (lock device) 26 rear wheel lock (lock device) 31 main power switch 32 unlock switch 39 electromagnetic solenoid (actuator) 43 key

Claims (3)

[Claims] 1. An electric vehicle comprising a battery and a plurality of lock devices, wherein one lock device is provided with a main power switch and an unlock switch which are turned on / off by a key operation, and another lock device is provided with the unlock switch. An actuator which is turned on by the signal of (1) to unlock the lock device is provided, and the unlocking of all the lock devices and the ON / OFF operation of the main power supply are performed by a single key operation. Vehicle locking system. 2. The lock device comprises a front wheel lock and a rear wheel lock provided respectively on a front wheel side and a rear wheel side, one of which is provided with the main power switch and the unlock switch, and the other is provided with the actuator. A lock system for an electric vehicle, wherein the lock system is provided. 3. The lock system for an electric vehicle according to claim 1, wherein the actuator comprises an electromagnetic solenoid.