JPH11157474A - Motor-assisted bicycle with antitheft device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a motor-assisted bicycle with an antitheft device, which is yet surer in crime preventive performance and excellent in operability. SOLUTION: A locking device 6 holding the appearance of a saddle 4 into a different state from an in-service state, and a circle lock 93 performing an on-off changeover of a dynamo-electric device 94 both are made so as to be operable with the same key 7, and thereby such consciousness as being 'unridable' is given to a third person, aiming at preventing a criminal offense from occurring, and simultaneously it is convenient that the locking device 6 and the circle lock 93 both are operable with one key alone, in terms of operability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an electric bicycle anti-theft device.

[0002]

2. Description of the Related Art Various locks have been proposed to prevent a parked electric bicycle from being stolen.
No. 188282 discloses a rear wheel 9 as shown in FIG.
A circle lock 93 for locking 1 is provided with a switching position for switching on / off an electric device 94 for assisting driving, and the operation of unlocking the rear wheel and the electric device by only turning one key 7. That realizes the on / off switching operation. Reference numeral 95 denotes a battery box in which a battery as a power source for driving the electric device 94 is stored.

[0003]

With such a conventional anti-theft device, a person who tries to perform wrongdoing,
There is a problem in that by breaking the circle lock 93, it is possible to give a sense of being able to escape.

[0004] It is an object of the present invention to provide an electric bicycle with an anti-theft device having more reliable security performance and good operability.

[0005]

SUMMARY OF THE INVENTION An electric bicycle with an anti-theft device according to the present invention has a locking device for holding at least one appearance of a plurality of functional means having different functions constituting a bicycle in a state different from a service state. And a key switch device for switching on / off of the electric device can be operated with the same key.

According to the present invention, in the parking state, by keeping a part of the appearance in a state different from the service state, the third party is given the consciousness of "cannot ride" to prevent theft. In addition, the locking device and the key switch device can be operated with one key, and the operability is good.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electric bicycle with an anti-theft device according to a first aspect of the present invention includes a saddle rotatably supported in a service state with respect to a seat post and a parking position in which a saddle seat surface is inclined. A locking device for holding the vehicle in a parking position, a key switch device for switching on / off an electric device for assisting driving, and a configuration in which the locking device and the key switch can be operated by the same key. It is characterized by.

According to a second aspect of the present invention, there is provided an electric bicycle with an anti-theft device, comprising: a plurality of functional units having different functions constituting the bicycle; and a lock for holding at least one appearance of the functional units in a state different from a service state. The device, a key switch device for turning on / off an electric device for assisting driving of the vehicle, and a configuration wherein the locking device and the key switch can be operated by the same key.

According to a third aspect of the present invention, there is provided an electric bicycle with an anti-theft device, the saddle rotatably supported in a service state with respect to a seat post and a parking position in which a saddle seat surface is inclined, and the saddle is held in a parking position. A first locking device that performs on / off switching of an electric device that assists driving, a second locking device that maintains a running function in a reduced state or a prohibited state, The second locking device and the key switch are configured to be operated by the same key.

According to a fourth aspect of the present invention, there is provided an electric bicycle with an anti-theft device according to any one of the first to third aspects, further comprising a battery locking device for holding a battery serving as a power source of the electric device so that the battery cannot be removed from the bicycle frame. The battery locking device, the other locking devices, and the key switch can be operated with the same key.

According to a fifth aspect of the present invention, there is provided an electric bicycle with an anti-theft device, comprising: a plurality of functional means having different functions constituting the bicycle; and a lock for holding at least one appearance of the functional means in a state different from a service state. The above-mentioned state detection is performed in an electric circuit of a device, a key switch device for switching on / off of an electric device for assisting traveling, and a key switch device for switching on / off of an electric device for assisting traveling. The switch is interposed in series.

According to a sixth aspect of the present invention, in the electric bicycle with the anti-theft device according to the fifth aspect, the state detection switch detects that the saddle seating surface is in a parking posture inclined with respect to the seat post and is turned off. The switch is interposed in series in an electric circuit of a key switch device that uses a switch to switch on / off an electric device that assists driving.

Hereinafter, embodiments of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIGS. 1 to 11 show (Embodiment 1).

FIGS. 1 and 2 show an electric bicycle according to the present invention.
A circle lock 93 for holding the rear wheel 91 in a locked state is attached to the back fork 96. This circle lock 93 is the same as that described in the embodiment of JP-A-9-188282, and has a position for locking the rear wheel,
It has a switching position for switching ON / OFF of the electric device 94 for assisting driving, and a switching position for allowing removal of the battery box. In the parking position, the rear wheels are locked, the power is off, and the battery box is prohibited from being removed. In this parking position, the key 7 can be removed from the circle lock 93.

Saddle 4 attached to seat post 3
Are rotatably supported in a service state shown by a solid line and a parking posture shown by a virtual line. The attachment structure of the saddle 4 to the seat post 3 is configured as shown in FIGS.

The saddle 4 is mounted on the upper end of the seat post 3 via a saddle support board 8 and a saddle mounting member 9. One end of the saddle mounting member 9 is rotatably supported by one end of the saddle support substrate 8. Specifically, a saddle mounting member 9 is rotatably supported around a cylinder lock 6 incorporated in the saddle support substrate 8 as a center of rotation.

FIGS. 4A and 4B show the saddle support substrate 8 and the saddle mounting member 9 in the service state and the parking state, respectively.
A first tension spring 10 is interposed between the saddle support substrate 8 and the saddle mounting member 9.

At the other end of the saddle support substrate 8, a saddle lock lever 12 pivotally supported by a shaft 11 and rotatable between a solid line position and an imaginary line position in FIG. 4 is provided. 4 is urged to a solid line position by a spring 13, and in a service state, the saddle lock lever 12 is engaged with a shaft 14 provided at the other end of the saddle mounting member 9 as shown in FIG. Are locked in service.

As shown in FIGS. 4 and 5, one end of the inner cable 16a of the wire 16 is engaged with a hanger portion 17 at the center of the saddle mounting member 9, and
The other end of the motor bracket 9a passes through the inside of the seat post 3 and the inside of the upright pipe 97 as shown in FIG.
8, and the other end of the inner cable 16 a is connected to a ring-shaped lid 99 which is engaged with the lower end of a vertical pipe 97.
Is connected to the lever 101.

The switch 100 is a self-returning type switch having a built-in spring for urging the lever 101 downward as shown in FIG. 6. When the switch 100 is assembled, the saddle 4 is moved to the position shown in FIG. When the switch 100 is locked in the service state as shown in FIG. 7, the lever 101 of the switch 100 is in the ON state shown in FIG.

With this configuration, when the user raises the saddle lock lever 12 with the stand * raised, the tip of the saddle lock lever 12 is disengaged from the shaft 14 on the saddle mounting member 9 side. The saddle mounting member 9 is rotated from the service position shown in FIG. 4A to the parking position shown in FIG. 4B by the urging force of the first tension spring 10.

As described above, the inner cable 16a is pulled up by the rotation of the saddle mounting member 9, and the lever 101 of the switch 100 is pulled up.
00 is turned off.

The switch 100 is interposed in series with the power supply circuit of the electric device 94 as shown in FIG. 8, and the key switch device 110 controls the switching position of the circle lock 93 and the electric device 94 controls the traveling. The key switch device 110 of the circle lock 93 is also in the off state when in the parking position and in the parking position in the auxiliary driving position. Reference numeral 111 denotes a control unit interposed between the battery 112 and the electric device 94, which controls the power supply to the electric device 94 based on the detection data D1 of the pedaling force of the pedal 113 and the detection data D2 of the traveling speed. ing.

FIGS. 9 to 11 show a specific structure of a protection mechanism for the inner cable 16a and a locking mechanism for holding the saddle 4 in the parking position. FIG. 9 is an exploded view of a main part. In the parking state in which the saddle mounting member 9 is flipped up as shown in FIGS. 3 and 4B, a tool is inserted from the gap 27 between the saddle support substrate 8 and the saddle mounting member 9 to cut the inner cable 16a. Therefore, in this embodiment, when attaching the outer cable 16 b of the wire 16 to the saddle support substrate 8,
The cable cover 28 is crimped to the saddle support board 8 together with the end of the outer cable 27 so that a is not exposed from the gap 27.

The specific shape of the saddle mounting member 9 is shown in FIG.
As shown in FIGS. 0 (a) and (b), in addition to the opening 29 from which the cable hanger portion 17 and the cable cover 28 protrude and retract, an engaging projection 30 acting as a part of the cylinder lock 6 is provided. It is formed integrally by bending.

The specific connection between the saddle mounting member 9 and the saddle support substrate 8 and the specific configuration of the cylinder lock 6 are configured as shown in FIG. (A) of FIG.
As shown in FIG. 5, a cylindrical cylinder holder 31 with a bottom is fixed to one end of the saddle support substrate 8, and one end of the saddle mounting member 9 is engaged with the outer peripheral portion of the cylinder holder 31 so as to be rotatable. Have been.

A guide groove 33 for guiding the locking lever 32 shown in FIG. 9 so as to be able to move up and down is formed at the bottom inside the cylinder holder 31. Cylinder holder 3
The compression spring 34 and the locking lever 32 are set in the first guide groove 33, and then the cam body 35 and the cylinder lock body 36 are set in the cylinder holder 31 so that the cylinder lock body 36 does not fall off the cylinder holder 31. It is closed by a lid 37.

The output shaft 36a on the central axis of the cylinder lock main body 36 is engaged with the central hole 35a of the cam body 35. When the key 7 is inserted into the cylinder lock main body 36 and rotated, the cylinder lock 36 is rotated. The output shaft 36a of the main body 36 rotates and the cam body 35 rotates. The cam body 35 has a pin 3
5b is implanted, and the pin 35b of the cam body 35 is
As shown in FIG. 1B, the lock lever 32 is engaged with the lower surface of the step portion 32a of the lock lever 32, and when the cam body 35 rotates, the lock lever 32 rises against the bias of the compression spring 34 and rises. The tip end of 32 retreats from the state shown in FIG. 4B to the state shown in FIG.

In the parking state shown in FIG. 4B, the tip of the locking lever 32 projects farther from the cylinder holder 31 than in the service state shown in FIG. Protrudes into the path of rotation of the engaging projection 30 of the saddle mounting member 9. Therefore, even if it is attempted to return the saddle 4 to the service state without unlocking the cylinder lock 6, the engagement projection 30 of the saddle mounting member 9 collides with the tip of the locking lever 32 and cannot return to the service state.

When the saddle 4 is returned from the parking state to the service state, the key 7 is inserted into the cylinder lock body 36 and unlocked. The key 7 can be removed,
To change from the service state to the parking state, it is only necessary to operate the saddle lock lever 12.

Further, in this embodiment, the key 7 required for operating the cylinder lock main body 36 and the key 7 required for operating the above-mentioned circle lock 93 are the same key. When the key 7 is removed to place the vehicle in the parking state and the parking state is returned to the service state, the cylinder lock body 36 is operated using the removed key 7 to return the saddle 4 to the service state. At 7, the circle lock 93 is unlocked.

As described above, by locking in the parking posture in which the saddle seat surface is inclined, it is possible to give a sense of "cannot ride" and prevent theft. Further, even if an unauthorized act of breaking the circle lock 93 occurs and the portion of the key switch device 110 is turned on without using the key 7, the switch is not turned on when the saddle 4 is parked. Since 100 is in the off state, the electric device 9
4 can be prohibited.

Further, since the circle lock and the saddle locking device can be operated with a single key 7, the operability is good. (Embodiment 2) In Embodiment 1, the posture of the saddle 4 is changed by the switch 100.
Although the power supply circuit of the electric device 94 is turned off when the saddle 4 is in the parking position detected by the above, even when the switch 100 is not provided, the vertical pipe 97 is connected similarly to the inner cable 16a. Even if the cable is pulled out to the vicinity of the motor bracket 98 through the inside and the cable is simply connected to the bicycle frame, the saddle 4 is connected to the bicycle frame via the cable to prevent the saddle 4 from being pulled out. Can be.

(Embodiment 3) In each of the above embodiments, the saddle 4 is held upright in the parking state to sufficiently prevent theft. However, FIGS. 12 and 13 show the embodiment (FIG. 12). In 3), the handle 171 is rotatable downward from the service state shown in FIG. 12 to the parking state as shown in FIG.

In the third embodiment, as shown in the first embodiment or the second embodiment, the saddle 4 is held upright in the parking state, and the handle 171 is held. In the parking state from the in-service state shown in FIG. 12, the saddle can be rotated downward as shown in FIG. 13, and the saddle is in the in-service state as in the conventional manner even during parking, and the handle 171 is shown in FIG. In the parking state from the in-service state, any configuration can be adopted, as shown in FIG.

By rotating the handle 171 downward, the circular member 173 attached to the center of the handle 171 rotates around the horizontal axis at the cylindrical frame portion 174a formed at the upper end of the handle post 174. It is movable, and the rotation of the circular member 173 is performed by the cylindrical frame portion 1.
Detected by switch 113 built in 74a.

The switch 113 is turned off by detecting the position of the circular member 173 when the handle 171 is in the state shown in FIG. 13, and is connected in series with the power supply circuit of the motor-driven device 100 as in the first embodiment. It is interposed in.

Accordingly, the circle lock 93 is parked, the key 7 is removed, the handle 171 is rotated to the parking state, and the cylinder lock 178 is operated with the key 7 removed from the circle lock 93 to handle the handle 171. Is locked in the parking state, and the key 7 is removed from the cylinder lock 178.

In such a parking state, the steering wheel 171
Is locked in a parking position inclined downward,
By giving a sense of "I can't ride", theft can be prevented.

Even if an unauthorized act of breaking the circle lock 93 occurs and the power switch 100 is turned on without using the key 7, the handle 1
When the switch 71 is in the parking state, the switch 113 is in the off state, so that energization of the electric device 94 can be prohibited.

Further, since the circle lock and the locking device of the handle can be operated by a single key 7, the operability is good. (Embodiment 4) FIGS. 14A and 14B show (Embodiment 4).

In (Embodiment 1), the saddle 4 is held upright in the parking state to sufficiently prevent theft. However, in (Embodiment 4) shown in FIGS. When the brake lever 161 is in the parking state from the service state shown in FIG. 14A, the front wheel 90 is moved as shown in FIG.
The brake lever 161 is set to the parking position (see FIG. 14B) separately from the wire 162 that performs the braking operation of the connecting wire 16 and pulled out in the direction of the arrow 114.
3 is provided, and the distal end of the connection wire 163 is connected to the lever of a switch similar to that of the first embodiment, and this switch is turned off when the brake lever 161 is set in the parking position. A switch is provided in series with the power supply circuit of the electric motor 94 in the same manner as in the first embodiment.

The cylinder lock 166 is connected to the brake lever 16
1 is held in a parking state, and the held brake lever 161 can be released by operating the key 7. Therefore, the circle lock 93 is parked, the key 7 is removed, the brake lever 161 is turned to the parking state, and the cylinder lock 166 is locked in this state.

In such a parking state, the brake lever 161 is locked in the parking posture rotated largely in the opposite direction, thereby giving a sense of "cannot get on" and preventing theft.

Also, even if an unauthorized act of destroying the circle lock main body 93 occurs and the portion of the key switch device 110 is turned on without using the key 7, the brake lever 161 will be in the parking state. In this state, since the switch 100 is off, the power supply to the electric device 94 can be prohibited.

Further, since the circle lock and the locking device for the handle can be operated with a single key 7, the operability is good. In the (fourth embodiment), as shown in the (first embodiment) or (second embodiment), the posture of the saddle 4 is configured to be held in the upright state in the parking state, and the brake lever 161 is moved as shown in FIG. In the parking state from the service state shown in FIG. 14 (a), it is also possible to adopt a configuration capable of turning downward as shown in FIG. 14 (b).

In each of the above embodiments, the saddle 4 and either the steering wheel 171 or the brake lever 161 are configured to be locked in a state where the traveling function is reduced in the parking state. By using the embodiments in combination, more excellent performance is exhibited.

In a state where at least one of the saddle 4, the handle 171 and the brake lever 161 is locked in the parking state, the front wheel or the rear wheel is braked or the front wheel, the rear wheel or the pedal 115 is prevented from rotating. By configuring, more excellent performance is exhibited.

[0049]

According to the first aspect of the present invention, there is provided an electric bicycle with an anti-theft device, a saddle rotatably supported in a service state with respect to a seat post and a parking posture in which a saddle seat surface is inclined.
A locking device that holds the saddle in a parking position, a key switch device that switches on / off an electric device that assists driving, and a configuration in which the locking device and the key switch can be operated with the same key. As a result, in the parking state, not only is the power supply to the electric device locked by the key switch device and held in the off state, but also the saddle is held by the locking device in the parking position where the saddle seat surface is inclined, so that it is more clearly visualized. Can be notified that the vehicle cannot be ridden. Furthermore, to change from the parking state to the service state,
The locking device and the key switch can be operated with a single key, and the operability is good.

According to a second aspect of the present invention, there is provided an electric bicycle with an anti-theft device, comprising: a plurality of functional means having different functions constituting the bicycle; and a lock for holding at least one appearance of the functional means in a state different from a service state. The device, a key switch device for turning on / off an electric device for assisting driving, and a configuration in which the locking device and the key switch can be operated by the same key, so that the device can be visually and clearly defined. It can inform you that you cannot ride. Furthermore, to change from the parking state to the service state,
The locking device and the key switch can be operated with a single key, and the operability is good.

According to a third aspect of the present invention, there is provided an electric bicycle with an anti-theft device, wherein the saddle is rotatably supported in a service state with respect to the seat post and a parking position in which the saddle seat surface is inclined, and the saddle is held in the parking position. A first locking device that performs on / off switching of an electric device that assists driving, a second locking device that maintains a running function in a reduced state or a prohibited state, Since the second locking device and the key switch are configured to be operated by the same key, it is possible to visually and clearly notify that the vehicle cannot be put on. Furthermore, in order to switch from the parking state to the service state, the locking device and the key switch can be operated with a single key, and the operability is good.

According to a fourth aspect of the present invention, there is provided an electric bicycle with an anti-theft device according to any one of the first to third aspects, further comprising a battery locking device for holding a battery serving as a power source of the electric device in a state where the battery cannot be removed from the bicycle frame. Since the battery locking device, the other locking devices, and the key switch can be operated with the same key, theft of the battery can be prevented with only a single key.

According to a fifth aspect of the present invention, there is provided an electric bicycle with an anti-theft device, comprising: a plurality of functional means having different functions constituting the bicycle; and a lock for holding at least one appearance of the functional means in a state different from a service state. The above-mentioned state detection is performed in an electric circuit of a device, a key switch device for switching on / off of an electric device for assisting traveling, and a key switch device for switching on / off of an electric device for assisting traveling. Since the switches are interposed in series, even if an improper act that damages the key switch device occurs, the driving assistance cannot be received by the electric device while the locking device is held in the parking state, and the security performance is reduced. Can be increased.

According to a sixth aspect of the present invention, in the electric bicycle with an anti-theft device according to the fifth aspect, the state detection switch detects that the saddle seating surface is in a parking posture inclined with respect to the seat post and is turned off. The switch is interposed in an electric circuit of a key switch device for switching on / off of an electric device for assisting driving by using a switch, so that it is not possible to ride more clearly visually. That the key switch device is damaged, the driving assistance cannot be provided by the electric device while the locking device is held in the parking state, and the security performance is reduced. Can be increased.

[Brief description of the drawings]

FIG. 1 is an external view of an electric bicycle with an anti-theft device according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a state in which the battery box of the embodiment is removed and an electric device is attached.

FIG. 3 is a perspective view of the parking state showing the saddle support structure of the embodiment.

FIG. 4 is a sectional view of the saddle supporting structure according to the embodiment in a service state and a parking state.

FIG. 5 is a vertical sectional view of the vertical pipe according to the embodiment.

FIG. 6 is an exemplary perspective view showing a state immediately before assembly of the switch according to the embodiment;

FIG. 7 is an exemplary front view showing an assembled state of the switch according to the embodiment;

FIG. 8 is an electric circuit diagram of the embodiment.

FIG. 9 is an exploded perspective view of a main part of the embodiment.

FIG. 10 is a plan view and a front view of the saddle mounting member of the embodiment.

FIG. 11 is a horizontal cross-sectional view and a cross-sectional view taken along the line AA of a connection portion between the saddle support substrate and the saddle mounting member according to the embodiment.

FIG. 12 is a front view of a service state of another embodiment.

13 is a partially cutaway front view of the parking state of the embodiment shown in FIG.

FIG. 14 is a plan view of a brake lever showing a service state and a parking state according to still another embodiment.

FIG. 15 is an external view of a conventional electric bicycle.

[Explanation of symbols]

 Reference Signs List 3 seat post 4 saddle 6 cylinder lock (locking device) 7 key 93 circle lock 94 electric device 100 switch (state detection switch) 110 key switch device 112 battery

 ────────────────────────────────────────────────── ─── Continued on front page (72) Inventor Kazuhisa Terachi 13-13 Katayamacho, Kashiwara-shi, Osaka National Bicycle Industry Co., Ltd.

Claims (6)

[Claims] 1. A saddle rotatably supported in a service position with respect to a seat post and a parking position in which a saddle seat surface is inclined, a locking device for holding the saddle in a parking position, and an electric device for assisting driving. A key switch device for switching the device on / off, and an electric bicycle with an anti-theft device configured so that the locking device and the key switch can be operated with the same key. 2. A plurality of function means having different functions constituting a bicycle, a locking device for holding at least one appearance of the function means in a state different from a service state, and an electric device for assisting driving. A key switch device for switching on / off, and an electric bicycle with an anti-theft device configured so that the locking device and the key switch can be operated with the same key. 3. A saddle rotatably supported in a service state with respect to a seat post and a parking posture in which a saddle seat surface is inclined, a first locking device for holding the saddle in the parking posture, and assisting traveling. A key switch device for switching on / off of a driven electric device, a second locking device for holding a traveling function in a lowered state or a prohibited state, and the first and second locking devices and the key switch. An electric bicycle with an anti-theft device that can be operated with the same key. 4. A battery locking device for holding a battery serving as a power source of the electric device so that the battery cannot be removed from the bicycle frame, so that the battery locking device, the other locking devices, and the key switch can be operated by the same key. An electric bicycle with an anti-theft device according to any one of claims 1 to 3. 5. A plurality of function means having different functions constituting a bicycle, a locking device for holding at least one appearance of the function means in a state different from a service state, and an electric device for assisting driving. A key switch device for switching on / off, and a state detection switch for detecting that at least one appearance of the functional means is in a state different from the service state, and an electric device for assisting driving. An electric bicycle with an anti-theft device in which the above-mentioned state detection switch is interposed in an electric circuit of a key switch device for switching on / off of the vehicle. 6. A state detection switch which is turned off by detecting that the saddle seating surface is in a parking posture inclined with respect to the seat post, and turns on / off an electric device for assisting driving. The electric bicycle with an anti-theft device according to claim 5, wherein the switch is interposed in series in an electric circuit of the key switch device for performing the switching.