JP2010037834A - Protection device for cylinder lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a protection device for a cylinder lock capable of improving ease of the operation for releasing locking of a shutter at a closed position to release locking easily and smoothly and arranging an access switch at a position for enabling the optimum operation in accordance with form of a vehicle to which this protection device is applied. <P>SOLUTION: This protection device for the cylinder lock is provided with the shutter 2, a solenoid for locking the shutter 2 at the closed position, a transponder, an antenna capable of receiving an authentication code, an authenticating means for authenticating whether the authentication code is normal or not, and the access switch 4 for starting the authentication. The protection device releases locking by the solenoid only when receiving the normal authentication code and can move the shutter 2 up to an opened position. An operation means 4 for the access switch is arranged separately outside a housing 1 and can be attached to an optional position in the vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cylinder lock protection device that can prevent the cylinder lock of a motorcycle or the like from being broken.

  Conventionally, in order to prevent a cylinder lock such as a two-wheeled vehicle from being tampered with and destroyed by insertion into a key hole of a scissor or a driver by a third party, for example, protection of the cylinder lock as disclosed in Patent Document 1 A device has been proposed. Such a protective device has a shutter slidable from a closed position where the key hole is closed to an open position where the key hole is open, and holds the shutter slidably between the open position and the closed position. And a magnet lock that closes and locks the key hole by holding the shutter in the closed position, and a magnet key that unlocks the magnet lock by the magnetism of the magnet.

According to the cylinder lock protection device, the key hole can be closed by performing an operation of pushing a part of the shutter protruding from the housing into the housing, and can be locked with the magnet lock at that position. In other words, an operation unit for setting the shutter to the closed position is formed, and the driver operates the operation unit to set the shutter to the closed position and cover the key hole to protect the cylinder lock. It is.
JP-A-11-44132

  However, in the conventional cylinder lock protection device, in order to operate the shutter in the closed position to the open position, it is necessary to operate the magnet key while inserting the magnet lock and unlock the magnet lock. There was a problem that the operation was troublesome. In particular, in darkness such as at night, there is a problem that the operation of inserting the magnet key through the magnet lock becomes difficult.

  In order to solve the above problem, the applicant of the present invention is a transmission means capable of transmitting an authentication code, and a reception means capable of receiving the authentication code from the transmission means in a non-contact manner when the transmission means is in proximity. An authentication means for authenticating whether or not the authentication code received by the receiving means is authentic, and the shutter is closed only when the authentication means authenticates that the authentic authentication code has been received. It came to study the protection device of the cylinder lock which releases the lock by the lock means to keep the position and makes the shutter movable from the closed position to the open position.

  However, in the protection device for the cylinder lock as described above, an access switch for starting authentication by the authentication unit is practically necessary, but the operation unit of the access switch is required to be operated every time authentication is performed. The operability is an important issue. That is, the arrangement position of the operation means of the access switch that enables the optimum operation differs depending on the type of vehicle (two-wheeled vehicle, snow vehicle, ATV, etc.). When the access switch operating means is formed, only the access switch operating means cannot be disposed at an arbitrary position, and the operability may be deteriorated.

  The present invention has been made in view of such circumstances, and can improve the operability of unlocking the shutter in the closed position so that the unlocking can be performed easily and smoothly, and the applied vehicle An object of the present invention is to provide a cylinder lock protection device in which an operation means of an access switch can be arranged at a position where an optimum operation can be performed according to the form.

  According to a first aspect of the present invention, a housing provided above a key hole of a cylinder lock in a vehicle, and movable between a closed position and an open position in the housing, and the key hole is closed at the closed position. In addition, a shutter that opens the key hole in the open position, a lock unit that locks the shutter in the closed position and restricts movement to the open position, and a transmission that can be carried by the driver and that can transmit an authentication code Means, a receiving means capable of receiving the authentication code from the transmitting means in a non-contact manner when the transmitting means is in close proximity, and whether or not the authentication code received by the receiving means is authentic An authenticating means for authenticating and an operating means of an access switch for starting authentication by the authenticating means, and when authenticating that the authentic authentication code is received by the authenticating means A lock device for the cylinder lock that releases the lock by the locking means and allows the shutter to be moved from the closed position to the open position, and the access switch operating means is separately provided outside the housing. It is disposed and can be attached to any position of the vehicle.

  According to a second aspect of the present invention, in the cylinder lock protecting apparatus according to the first aspect, the operation means of the access switch is disposed in a handle switch case fixed to a handlebar of a vehicle.

  According to a third aspect of the present invention, in the cylinder lock protecting device according to the second aspect, the operation means of the access switch is an operation switch formed on the handle switch case for operating a predetermined electrical component provided in the vehicle. The operation means is also used.

  According to a fourth aspect of the present invention, in the cylinder lock protecting apparatus according to the third aspect, the operation means of the operation switch is an operation means of a starter switch for starting an engine of a vehicle, or an upshift or downshift of a vehicle. It is characterized by comprising mode switch operating means for controlling.

  According to a fifth aspect of the present invention, in the cylinder lock protection device according to the third or fourth aspect, the operation switch comprises a microswitch that can transmit a weak electric signal and is waterproofed by an operation. It is characterized by.

  According to a sixth aspect of the present invention, in the cylinder lock protection device according to the first aspect, the access switch is a brake switch or a clutch switch that can be switched by an operation of an operation lever attached in the vicinity of the grip grip. The brake switch of the foot brake operated in step 1 or the switch that can be switched by raising the stand of the vehicle is also used.

  According to a seventh aspect of the present invention, in the cylinder lock protecting device according to the first aspect, the operation means of the access switch is disposed at a position near the key hole.

  According to an eighth aspect of the present invention, in the cylinder lock protection device according to any one of the first to seventh aspects, the transmission means includes a transponder built in a grip portion of an ignition key, and the authentication code. Is an ID code unique to the vehicle.

  According to the first aspect of the present invention, after authentication by the authentication means is performed by bringing the transmission means close to the reception means, the lock by the lock means is released on condition that a regular authentication code is received, and the shutter is released. Since the shutter can be moved from the closed position to the open position, when operating the shutter at the closed position to the open position, the unlocking operability of the shutter can be improved and the lock can be released easily and smoothly. it can.

  Moreover, since the authentication by the authentication unit is performed by bringing the transmission unit close to the reception unit and the lock by the lock unit can be released, inadvertent unlocking can be avoided. In other words, in order to release the lock, it is necessary for the driver to be aware of the operation of bringing the transmission means close to the reception means, so that the lock is prevented from being inadvertently released unintentionally. It can be done.

  Furthermore, since the operating means of the access switch is separately provided outside the housing and can be attached to any position of the vehicle, it can be placed at a position where an optimal operation can be performed according to the form of the applied vehicle. Access switch operating means can be provided.

  According to the invention of claim 2, since the operation means of the access switch is disposed in the handle switch case fixed to the handlebar of the vehicle, the operation is substantially the same as the various operation switches formed in the handle switch case. Can be obtained and the operability can be further improved.

  According to the invention of claim 3, since the operating means of the access switch is also used as the operating means of the operating switch that is formed in the handle switch case and operates a predetermined electrical component provided in the vehicle, the handle switch case On the other hand, it is possible to avoid an increase in the size of the handle switch case and an increase in the number of parts, compared to a case in which an access switch operating means is newly provided.

  According to the invention of claim 4, the operation means of the operation switch comprises an operation means of a starter switch for starting the engine of the vehicle, or an operation means of a mode switch for controlling the upshift or downshift of the vehicle. Therefore, the operation means of the starter switch or the operation means of the mode switch can be used as the operation means of the access switch. In particular, if the operation means of the starter switch for starting the engine of the vehicle is also used as the operation means of the access switch, the engine start operation and the operation of the access switch operation means can be performed simultaneously. Further improvement can be achieved.

  According to the invention of claim 5, since the operation switch is composed of a micro switch that can transmit a weak electric signal by the operation and is waterproof, the access switch can be used by combining the operation switch and the access switch. It is not necessary to separately provide a waterproof switch.

  According to the invention of claim 6, the access switch is a brake switch or clutch switch that can be switched by an operation of an operation lever attached in the vicinity of the grip grip, a brake switch of a foot brake operated by a driver's foot, or a vehicle. Since the switch which can be switched by raising the stand provided is also used, the operation lever, the foot brake or the stand can also be used as the operation means of the access switch. In particular, if the brake switch that can be switched by operating the operating lever attached in the vicinity of the grip grip is also used as an access switch, a safe operation at the time of engine start operation (the brake operation will cause inadvertent The operation of avoiding the start of the vehicle) and the operation of the operation means of the access switch can be performed simultaneously, and the operability can be further improved.

  According to the invention of claim 7, since the access switch operating means is disposed in the vicinity of the key hole, the access switch operating means is positioned in the vicinity of the housing, and authentication is started by operating the access switch operating means. After the operation, the operation until the shutter moves to the open position and the vehicle key is inserted into the key hole can be smoothly performed.

  According to the eighth aspect of the present invention, the transmission means is composed of a transponder built in the holding part of the ignition key, and the authentication code is an ID code unique to the vehicle. It is possible to share the ID code and the authentication code of the immobilizer system that transmits the ID code and permits the engine start only when the ID code is genuine.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
The cylinder lock protection device according to the first embodiment is provided above a key hole of a cylinder lock of a two-wheeled vehicle such as a scooter, and can protect the cylinder lock by allowing the key hole to be opened and closed from the outside. As shown in FIGS. 1 to 9, the housing 1, the shutter 2, the solenoid 3 as the lock means, the operation means 4 of the access switch, the coil spring 5 as the urging means, and the transmission means It is mainly composed of a transponder 6, an antenna 7 as receiving means, and authentication means 8.

  The housing 1 is provided above the key hole A of the cylinder lock S and constitutes the housing of the protection device. The housing 1 is formed with a through-hole 1a that allows the key hole A to be exposed to the outside substantially at the center, and an accommodating portion 1b that accommodates the shutter 2 in a slidable manner. A rotor R having a plurality of tumblers (not shown) is disposed in a cylinder body constituting the cylinder lock S, and a key hole A is formed so that an ignition key IK (see FIG. 8) is inserted and removed. It is configured to be able to.

  The shutter 2 is movable between a closed position and an open position in the housing 1, and closes the key hole A at the closed position (see FIGS. 10 to 12), and the key hole at the open position (FIGS. 4 to 6). A is opened to the outside. More specifically, the shutter 2 is slidable in the housing 1, and is in a closed position at one sliding end to close the key hole A and in an open position at the other sliding end. The key hole A is configured to be opened.

  Further, the shutter 2 is formed with a convex portion 2a that protrudes upward at the upper surface end portion and a concave portion 2b that is formed on the back surface side and can be engaged with the plunger 3a at the closed position. When the shutter 2 is slid (2) and the shutter 2 is slid (particularly, the movement from the open position to the closed position), the recess 2b is configured to face the plunger 3a of the solenoid 3.

  The solenoid 3 as a locking means is for restricting the movement to the open position by locking the shutter 2 in the closed position, and includes a plunger 3a that can be raised and lowered (moved up and down in the figure) by energization. . That is, when the shutter 2 is in the closed position, the plunger 3a is in a projecting state, and the distal end 3aa is engaged with the recess 2b of the shutter 2 to lock and restrict the movement to the open position. By being in the immersion state, the shutter 2 is unlocked and the operation from the closed position to the open position can be permitted.

  More specifically, the plunger 3a is always urged upward by a spring or the like (not shown), and when the shutter 2 is in the open position, the plunger 3a is pushed to the back surface to be in the immersive position, and the shutter 2 is in the closed position. In this case, the shutter 2 can be locked by projecting in the recess 2b on the back surface and engaging with the inner wall surface of the recess 2b. In this state, when the solenoid 3 is energized, the plunger 3a is lowered and immersed, the engagement is released, and the shutter 2 is unlocked.

  The transponder 6 as a transmission means is portable for the driver and can transmit the authentication code wirelessly. As shown in FIG. 8, the transponder 6 is built in the grip portion of the ignition key IK and disposed on the vehicle side. It is possible to communicate with the antenna 7 (receiving means) (see FIG. 7). More specifically, the transponder 6 built in the ignition key IK operates based on a radio signal transmitted from the antenna 7 and transmits a signal (an authentication code and a vehicle-specific ID code) as a response to the radio signal. To do.

  However, the transponder 6 includes an antenna for receiving a radio signal transmitted from the antenna 7 side and transmitting information generated on the transponder 6 side, a high-frequency circuit for demodulating the received radio signal, An authentication code generating IC for controlling, an EEPROM comprising a nonvolatile storage means for storing information unique to the ignition key IK (that is, vehicle specific), a capacitor, and the like are arranged, and excited by radio waves from the antenna 7 side. In this way, power is supplied. That is, it does not have a power source such as a dry battery or a battery.

  An antenna 7 as a receiving means is capable of receiving an authentication code (ID code) from the transponder 6 in a non-contact manner when the transponder 6 is brought close together with the ignition key IK. It consists of the coil which was made. That is, the authentication code (ID code) can be received by the antenna 7 by bringing the ignition key IK close to the range in which radio waves can be transmitted and received between the antenna 7 and the transponder 6 (radio wave reachable range).

  However, in the present embodiment, as described above, the power is supplied to the transponder 6 by being excited by the radio wave from the antenna 7 side, so that the antenna 7 and the transponder 6 are brought close to a very close position. Thus, the antenna 7 can receive the authentication code. The antenna 7 is electrically connected to the authentication unit 8 and is configured to transmit the authentication code (ID code) received by the antenna 7 to the authentication unit 8.

  The authentication means 8 is for authenticating whether or not the authentication code (ID code) received by the antenna 7 (reception means) is a genuine one. As shown in FIG. The solenoid 3 is electrically connected. Thus, when the authenticating means 8 authenticates that the normal authentication code has been received in a state where the shutter 2 is locked at the closed position, the plunger 3a of the solenoid 3 is immersed (lowered) and the shutter 2 On the other hand, if the normal authentication code is not authenticated by the authentication means 8, the engagement by the plunger 3a is maintained and the lock is not released.

  That is, only when it is authenticated that the authentic authentication code is received by the authentication means 8, the lock by the solenoid 3 (lock means) is released, and the shutter 2 can be moved from the closed position to the open position. . The authenticating means 8 is electrically connected to an ECU 9 for controlling the engine of the motorcycle, and when the ignition key IK is rotated while being inserted through the key hole A, the authenticating means 8 Only when it is authenticated that the authentication code is received, the engine start is permitted.

  A coil spring 5 (biasing means) that urges the shutter 2 in the closed position to the open position is disposed in the housing 1, and when the lock by the solenoid 3 (locking means) is released, the coil The shutter 2 is configured to naturally move from the closed position to the open position by the urging force of the spring 5. That is, when the shutter 2 is slid from the open position to the closed position, as shown in FIG. 12, the coil spring 5 is pressed and compressed to obtain an urging force (an urging force toward the open position). .

  Further, in the present embodiment, the housing 1 is formed with notifying means (specifically, the LED 10) that lights and notifies that the authentication means 8 authenticates that the authentication code is authentic. As a result, the driver can grasp whether or not the proper authentication code has been successfully received, and when the authentication code is received, the lock is released and the shutter 2 is released by the coil spring 5. Since it is in the open position, it can be determined whether or not the shutter 2 is in the open position even in the dark.

  In this embodiment, as shown in FIG. 9, illumination means (specifically, LED 11) for illuminating the key hole A is disposed in the housing 1, and the lock is released when the authentication code is received. When the shutter 2 is opened by the coil spring 5, the LED 11 is turned on, and the operation of inserting the ignition key IK into the key hole A can be facilitated. That is, the LED 11 as the illumination means lights on the condition that the shutter has moved from the closed position to the open position and illuminates the key hole A. Therefore, even when the surroundings of the vehicle are dark, such as at night or in a garage, The operation of inserting the ignition key IK into A can be facilitated.

  Here, in this embodiment, the operation means 4 of the access switch that is turned on by a pressing operation and starts authentication by the authentication means 8 is separately provided outside the housing 1 as shown in FIGS. It can be installed at any position on the motorcycle. More specifically, the handle switch case 12 fixed to the handlebar H of the two-wheeled vehicle is formed with a plurality of operation switches for operating predetermined electrical components included in the vehicle. The operation means of the mode switch (which transmits an electric signal to the controller 13 (see FIG. 3) for controlling the transmission mounted on the two-wheeled vehicle and manually shifts up or down) operates the access switch. It also serves as means 4.

  As shown in FIGS. 2 and 3, the operation means 4 of the access switch has a switch knob that swings about the swing axis L1, and is pressed when it is swung in one direction (the direction where “+” is displayed). The micro switch 4a having the actuating shaft 4aa and the micro switch 4b having the actuating shaft 4ba that is pressed when it is swung in the other direction (the direction in which “−” is indicated). In this case, the microswitch 4a or the microswitch 4b constitutes an “access switch”. However, when the switch knob as the operation means 4 of the access switch is swung to one side or the other, the microswitch 4a or the microswitch 4b is turned on, and the electrical signal is sent to the authentication means 8 via the wiring C. The authentication unit 8 is configured to start authentication.

  On the other hand, after the authentication by the authentication means 8 is completed, the shutter 2 is moved to the open position, and after the engine is started by inserting and turning the ignition key IK into the key hole A, the operation means 4 of the access switch is When the switch knob is swung to one or the other, the microswitch 4a or microswitch 4b is turned on, and the electrical signal is sent to the controller 13 via the wiring C. The transmission mounted on the motorcycle is controlled to forcibly upshift or downshift.

  The microswitches 4a and 4b are composed of microswitches (so-called waterproof microswitches) that can transmit weak electrical signals and are waterproofed by pressing the operation shafts 4aa and 4ba. As described above, the operation switch as the mode switch is composed of a micro switch which can transmit a weak electric signal by the operation and is waterproofed. Therefore, the operation switch and the access switch (switched by the operation means 4). , It becomes unnecessary to separately waterproof the access switch.

  Moreover, it is preferable that the electrical signal sent from the microswitches 4a and 4b to the authentication unit 8 via the wiring C is a pulse signal having a predetermined period. As a result, even if a third party who intends theft deliberately destroys the handle switch case 12 and improperly short-circuits the access switch to make it electrically conductive, a pulse signal is transmitted to the authentication means 8 side. It is possible to prevent authentication from being performed.

Next, the operation of the cylinder lock protection device having the above-described configuration will be described.
First, at the time of parking, after the ignition key IK is removed from the key hole A, it is pushed and slid to the closed position while picking the convex portion 2a of the shutter 2 in the open position. In the process of sliding from the open position to the closed position, as shown in FIG. 12, the shutter 2 compresses the coil spring 5, and the shutter 2 reaching the closed position is constantly urged toward the open position. It becomes a state.

  When the shutter 2 reaches the closed position, as shown in FIGS. 10 and 11, the plunger 3a of the solenoid 3 is engaged with the shutter 2, and the sliding movement toward the open position is restricted and locked. 2 is in a state where the key etc. cannot be inserted by covering the upper side of the key hole A. As a result, it is possible to prevent a third party from tampering with another key or scissors inserted into the key hole A.

  On the other hand, to slide the shutter 2 in the closed position to the open position so that the key hole A is exposed to the outside, the operation means 4 of the access switch disposed in the handle switch case 12 is swung to one side or the other side. The micro switch 4a or 4b is turned on. Thereby, the power supply of the vehicle including the immobilizer system is turned on, and authentication by the authentication unit 8 is started. At this time, the LED 10 (notification means) is lit to notify the driver that the power source has been turned on.

  Thereafter, the ignition key IK is brought close to the housing 1, and the built-in transponder 6 is brought close to the antenna 7 in the housing 1. Thereby, wireless communication is performed between the transponder 6 and the antenna 7, and an authentication code (ID code) is transmitted from the transponder 6 to the antenna 7. The authenticating means 8 authenticates whether or not the authentication code (ID code) is a predetermined normal one. If the authentication code 8 is a normal one, the plunger 3a of the solenoid 3 is immersed (lowered) and the shutter 2 is inserted. And the lock is released. When the engagement between the plunger 3 a and the shutter 2 is released and the lock is released, the shutter 2 naturally moves from the closed position to the open position by the urging force of the coil spring 5.

  Thus, when the shutter 2 reaches the open position, the key hole A is exposed to the outside. Therefore, if the ignition key IK is inserted into the key hole A and rotated in a predetermined direction, the engine can be started and run. It becomes a state. However, even when the ignition key IK is inserted through the key hole A, communication is performed between the transponder 6 and the antenna 7, and an authentication code (ID code) is transmitted from the transponder 6 to the antenna 7. The authentication means 8 authenticates whether or not this authentication code (ID code) is a predetermined regular one, and the engine start is permitted only when it is a regular one.

  After the engine is started, when the operation means 4 of the access switch is swung, the micro switch 4a or the micro switch 4b is turned on, and the electric signal is sent to the controller 13 via the wiring C, and the two-wheeled vehicle is The mounted transmission is controlled to forcibly upshift or downshift, and function as an original mode switch.

  According to the above embodiment, the solenoid 3 (provided that the authenticating code is received after the authenticating means 8 is authenticated by bringing the transponder 6 (transmitting means) close to the antenna 7 (receiving means). The lock by the locking means) is released and the shutter 2 can be moved from the closed position to the open position. Therefore, when operating the shutter 2 in the closed position to the open position, compared to the conventional one using a magnetic lock. The unlocking operability of the shutter 2 can be improved and unlocking can be performed easily and smoothly.

  Further, since the transponder 6 (transmission means) is brought close to the antenna 7 (reception means), the authentication means 8 performs authentication, and the solenoid 3 (lock means) can be unlocked. It can be avoided. That is, in order to release the lock, it is necessary for the driver to be aware of the operation of bringing the transponder 6 close to the antenna 7, thereby preventing the lock from being inadvertently released. It can be done.

  In particular, in the present embodiment, since the transponder 6 is built in the holding portion of the ignition key IK, the ignition key IK is brought close to the housing 1 to authenticate the authentication code (ID code) from the transponder 6, and the shutter 2 Then, the ignition key IK can be inserted into the key hole A as it is, and a series of operations can be continuously performed.

  In addition, the operation means 4 of the access switch is separately provided outside the housing 1 and can be attached to an arbitrary position of the motorcycle (the handle switch case 12 in the present embodiment). The operation means 4 of the access switch can be arranged at a position where an optimum operation can be performed according to the form. Since the operation means 4 of the access switch is disposed in the handle switch case 12 fixed to the handlebar H of the vehicle, substantially the same operability as various operation switches formed in the handle switch case 12 is obtained. The operability can be further improved.

  However, the operation means 4 of the access switch according to the present embodiment is an operation means of an operation switch (mode switch in the present embodiment) that is formed in the handle switch case 12 and operates predetermined electrical components provided in the vehicle. Since it is also used, it is possible to avoid an increase in the size of the handle switch case 12 and an increase in the number of parts, compared to the case where the operation means 4 of the access switch is newly provided separately for the handle switch case 12. In the present embodiment, the access switch operating means 4 is also used as a mode switch operating means, but it may be used as another operating switch operating means.

  For example, as shown in FIG. 13, as an operation switch operating means that is also used as the access switch operating means 4, as a starter switch operating means 15 that is formed in a handle switch case 14 and starts a motorcycle engine. Good. Further, the access switch (switched by the operating means 4) is not only the one formed on the handle switch case 14, but, for example, as shown in FIG. 14, an operation lever 16 attached in the vicinity of a grip grip (not shown). The brake switch 17 (or clutch switch) that can be switched by the above operation may be used.

  In FIG. 14, symbol L2 indicates the swing shaft of the operating lever 16, and symbol 17a indicates the operating shaft of the brake switch 17 (or clutch switch). Thus, the brake switch 17 (or clutch switch) can be turned on by swinging the operating lever 16 around the swing axis L2, and when functioning as an access switch, An electrical signal generated when the brake switch 17 is turned on is sent to the authenticating means 8 via the wiring C to start authentication.

  As described above, as an operation switch operating means that also serves as an access switch operating means, a starter switch operating means 15 for starting the vehicle engine, or a mode switch for controlling vehicle upshifting or downshifting. Since it comprises the operation means, the starter switch operation means 15 or the mode switch operation means and the access switch operation means 4 can be used together.

  In particular, if the starter switch operating means 15 for starting the engine of the vehicle is also used as the access switch operating means 4, the engine starting operation and the access switch operating means 4 can be performed simultaneously. The operability can be further improved. Further, if the brake switch 17 that can be switched by operating the operation lever 16 attached in the vicinity of the grip grip is also used as an access switch, a safe operation at the time of engine start operation (the operation at the time of engine start by performing the brake operation) can be performed. The prepared vehicle starting avoidance operation) and the operation of the operation means 4 of the access switch can be performed simultaneously, and the operability can be further improved.

  Furthermore, the access switch is provided in a brake switch for a foot brake operated by a driver's foot or a vehicle, in addition to a brake switch 17 or a clutch switch that can be switched by operating an operation lever 16 attached in the vicinity of the grip grip. A switch (both not shown) that can be switched by raising the stand may also be used.

  On the other hand, according to the present embodiment, the transmission means includes the transponder 6 built in the holding portion of the ignition key IK, and the authentication code is an ID code unique to the vehicle. The ID code unique to the vehicle is transmitted, and the ID code and the authentication code of the immobilizer system permitting the engine start can be shared (shared) only when the ID code is authorized.

  Further, when the lock by the lock means comprising the solenoid 3 is released, the shutter 2 is moved from the closed position to the open position by the biasing force by the bias means comprising the coil spring 5, so that the shutter 2 at the closed position is opened. The driver does not need to operate to the position, and a series of operability from unlocking to opening of the keyhole A can be further improved.

Next, a second embodiment according to the present invention will be described.
As in the first embodiment, the cylinder lock protection device according to the present embodiment is provided above a key hole of a cylinder lock provided in a two-wheeled vehicle such as a scooter, and the cylinder can be opened and closed from the outside by enabling the key hole to be opened and closed. As shown in FIG. 15, a housing 1 in which a shutter 2 and a solenoid 3 as a locking means are disposed, and a push button type disposed separately from the housing 1 are provided. The access switch operating means 18 comprises the above operating means. The solenoid 3, the coil spring 5 as the biasing means, the transponder 6 as the transmitting means, the antenna as the receiving means, the authentication means 8 and the like are the same as those in the first embodiment, and details thereof are described. Detailed description will be omitted.

  The access switch (switch switched by the operation means 18) is electrically connected to the authentication means 8 via the wiring C and can be attached to an arbitrary position of the two-wheeled vehicle. For example, as shown in FIGS. 16 and 17, the access switch operating means 18 includes a micro switch 18 a that can be attached to a handle switch case 19 fixed to a handlebar H of a motorcycle. When the push button as the access switch operating means 18 is pressed against the urging force of the return spring 20, the operation shaft 18aa is pressed and the micro switch 18a (corresponding to the “access switch”) is turned on. An electrical signal is sent to the authentication means 8 via C. As a result, authentication by the authentication means 8 is started. In this case, substantially the same operability as the various operation switches formed on the handle switch case 19 can be obtained, and the operability can be further improved.

  Also, the access switch operating means 18 is arranged in the front panel 21 at a position in the vicinity of the key hole A of the motorcycle (for example, a position adjacent to the housing 1) as shown in FIGS. It may be. When the push button of the micro switch 18 is pressed against the urging force of the return spring 22, the operation shaft 18 aa is pressed, the micro switch 18 a is turned on, and an electrical signal is sent to the authentication means 8 via the wiring C. It is like that. As a result, authentication by the authentication means 8 is started. In this case, the access switch operating means 18 is located in the vicinity of the housing 1, and after the authentication is started by the access switch operating means 4, the shutter 2 moves to the open position and enters the key hole A in the vehicle. The operation until the key is inserted can be performed smoothly.

  Although the present embodiment has been described above, the present invention is not limited to this, and the operation means of the access switch is separately provided outside the housing 1 and can be attached to any position of the vehicle. As long as it is a thing, it may be formed in another position.

  However, when the operation means of the access switch is also used as the operation means of the operation switch formed in the handle switch case, the operation means of the operation switch that is not operated until the vehicle engine is started (that is, when the engine is being driven exclusively) The access switch is preferably used in combination with a waterproof operation switch.

  Further, the transmission means that can be carried by the driver and capable of transmitting the authentication code is not limited to the transponder that constitutes the immobilizer system as in the present embodiment, and is independent from other transmission means (for example, the ignition key IK). It may be a portable type. In this case, the present invention can also be applied to a vehicle that does not include an immobilizer system. Further, the locking means is not limited to the solenoid 3 as in the present embodiment, but may be one that can be driven by a motor, a cylinder, or the like. Furthermore, the present invention can be applied to a cylinder lock protection device in other vehicles such as a four-wheel vehicle, a buggy, and a snow vehicle in addition to a two-wheel vehicle.

  Only when it is authenticated that the authentic authentication code is received by the authentication means, the lock by the lock means is released, and the shutter can be moved from the closed position to the open position. Is a cylinder lock protection device that is separately provided outside the housing and can be attached to any position on the vehicle, and is also applicable to devices with different external shapes or with other functions. can do.

The perspective view which shows the protection apparatus of the cylinder lock which concerns on the 1st Embodiment of this invention. Cross-sectional schematic diagram showing the operation means of the access switch in the cylinder lock protection device Block diagram showing the electrical connection relationship between the access switch and other components in the cylinder lock protection device Top view showing the housing of the cylinder lock protection device (shutter is in the open position) VV line sectional view in FIG. Side view showing the cylinder lock protection device (with the housing removed so that the internal structure of the housing can be understood) Block diagram showing the entire cylinder lock protection device Schematic diagram showing the ignition key applied in the cylinder lock protection device IX-IX line sectional view in FIG. Top view showing the housing of the cylinder lock protection device (shutter is in the open position) The longitudinal cross-sectional view which shows the protection apparatus of the cylinder lock in the state of FIG. FIG. 10 is a side view showing the cylinder lock protection device in the state shown in FIG. 10 (the housing is removed so that the internal structure of the housing can be understood). Schematic diagram showing an access switch operating means combined with another operating switch operating means (starter switch) in the cylinder lock protection device Schematic diagram showing an access switch combined with another operation switch (brake switch) in the cylinder lock protection device The perspective view which shows the protection apparatus of the cylinder lock which concerns on the 2nd Embodiment of this invention. Schematic diagram showing the access switch operating means arranged in the handle switch case in the cylinder lock protection device Cross-sectional schematic diagram showing the operating means of the access switch and its vicinity Schematic diagram showing the access switch operating means arranged in the vicinity of the key hole in the cylinder lock protection device Cross-sectional schematic diagram showing the operating means of the access switch and its vicinity

Explanation of symbols

1 Housing 2 Shutter 3 Solenoid (Locking means)
4 Access switch operation means 5 Coil spring (biasing means)
6 Transponder (transmission means)
7 Antenna (Receiving means)
8 Authentication means 9 ECU
10 LED (notification means)
11 LED (lighting means)
12 Handle switch case 13 Controller 14 Handle switch case 15 Starter switch 16 Operation lever 17 Brake switch 18 Access switch operation means 19 Handle switch case 20 Return spring 21 Front panel 22 Return spring A Key hole S Cylinder lock C Wiring

Claims (8)

A housing provided above a key hole of a cylinder lock in the vehicle;
A shutter that is movable between a closed position and an open position in the housing, closes the key hole at the closed position, and opens the key hole at the open position;
Lock means for locking the shutter in the closed position to restrict movement to the open position;
A transmission means for the driver to be portable and capable of transmitting an authentication code;
Receiving means capable of receiving the authentication code from the transmitting means in a non-contact manner when the transmitting means is approached;
Authentication means for authenticating whether or not the authentication code received by the receiving means is authentic;
Access switch operation means for starting authentication by the authentication means;
The cylinder lock is protected so that the lock by the lock means is released and the shutter can be moved from the closed position to the open position only when it is authenticated that the authentic authentication code has been received by the authentication means. A device,
The cylinder lock protection device according to claim 1, wherein the access switch operating means is arranged separately from the housing and can be attached to an arbitrary position of the vehicle.   2. The cylinder lock protection device according to claim 1, wherein the access switch operating means is disposed in a handle switch case fixed to a handlebar of a vehicle.   3. The cylinder lock according to claim 2, wherein the operation means of the access switch is also used as operation means of an operation switch formed on the handle switch case for operating a predetermined electrical component provided in the vehicle. Protective device.   The operation means of the operation switch comprises a starter switch operation means for starting an engine of a vehicle or a mode switch operation means for controlling shift up or down of the vehicle. The cylinder lock protection device described.   5. The protection device for a cylinder lock according to claim 3, wherein the operation switch includes a micro switch that can transmit a weak electric signal by operation and is waterproof.   The access switch can be switched by raising a brake switch or a clutch switch that can be switched by operating an operation lever attached in the vicinity of a grip grip, a brake switch for a foot brake operated by a driver's foot, or a stand provided in a vehicle. 2. The protection device for a cylinder lock according to claim 1, further comprising a possible switch.   2. The cylinder lock protection device according to claim 1, wherein the operation means of the access switch is disposed at a position near the key hole.   The cylinder according to any one of claims 1 to 7, wherein the transmission means includes a transponder built in a grip portion of an ignition key, and the authentication code is an ID code unique to a vehicle. Locking protection device.

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