JP2008247129A - Steering lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a steering lock device with excellent theft prevention capable of holding the lock state of a steering shaft when a malpractice attack is received regardless of the magnitude of an external force. <P>SOLUTION: When a cover 6 is removed from a frame body 3, a lock control member 33 is displaced in a pin falling direction a, a lock pin 31 is released in moving regulation and displaced to a dead lock engagement position, and the lock control member 33 of the steering lock device 1 for locking a lock rod 14 is energized and arranged in the cover 6 of the pin falling direction a so as to be freely insertable, slidable in a further inserting direction from a locking position engaged to the lock pin 31 in a state of being engaged with the tip of the lock pin 31. When the lock control member 33 is displaced in an inserting direction c, the moving regulation of the lock pin 31 is released and the pin is moved to the dead lock engagement position. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a steering lock device mounted on an automobile or the like and provided with so-called deadlock means.

  A conventional steering lock device of this type is disclosed in Patent Document 1. As shown in FIGS. 10 and 11, the electric steering lock device 100 includes a frame 101 and a cover (not shown) that covers the upper surface of the frame 101. The frame 101 includes a frame main body 102 and a rod guide portion 103 protruding from the frame main body 102.

  On the upper surface of the frame body 102 covered with the cover, an electronic key and a control unit (not shown) communicate with each other by pressing a push button type start / stop switch by a person carrying the electronic key. When authenticated, a drive motor (not shown) driven by the control unit, a cam member (not shown) rotated by driving of the drive motor, and the like are accommodated. In the rod guide portion 103, a lock rod 105 whose upper end protrudes on the frame body 102 is movably accommodated. The lock rod 105 includes an upper rod portion 105a and a lower rod portion 105b connected to the upper rod portion 105a. The lock rod 105 locks the steering shaft 110 by the rotation of the cam member (not shown) (the position shown in FIG. 10). ) And the unlocking position (position in FIG. 11) that allows the steering shaft 110 to rotate.

  In the middle portion between the base end portion of the rod guide portion 103 and the upper rod portion 105a of the lock rod 105, fragile portions 106 and 107 having a smaller thickness than the other portions are provided.

  The deadlock means 120 includes a lock pin 121 housed on the tip side of the fragile portion 106 of the rod guide portion 103, a first spring 122 that urges the lock pin 121 in the protruding direction, and the locking pin 121 in the protruding direction. A lock control member 123 that restricts the movement of the lock, a second spring 124 that biases the lock control member 123 upward, a stopper 125 that is fixed to the frame body 102 and restricts the movement of the lock control member 123 upward, First and second locking grooves 126 and 127 formed in the upper rod portion 105a are provided.

  In the above configuration, when the person carrying the electronic key presses the start / stop switch to run the vehicle, the lock rod 105 is moved by the drive of the drive motor (not shown), and the electric steering lock device 100 is shown in FIG. The steering lock state is changed to the steering unlock state of FIG. Thereafter, the release of the steering lock is transmitted to the vehicle body side, and the engine is started. When the vehicle suddenly decelerates while the vehicle is running and the driver's knee hits the electric steering lock device 100 and an impact of a predetermined value or more is applied, the rod guide portion 103 and the lock rod 105 are located at the fragile portions 106 and 107. This will reduce the impact on the driver.

  When the rod guide portion 103 and the lock rod 105 are divided by the fragile portions 106 and 107, as shown in FIG. 12, the stopper 125 does not restrict the lock control member 123 and the lock control member 123 becomes the second spring 124. The lock pin 121 is locked in the second locking groove 127 of the lock rod 105. Thus, even after the electric steering lock device 100 is divided, the unlocked state of the steering shaft 110 is maintained, and driving safety is ensured.

  When the person carrying the electronic key presses the start / stop switch to park the vehicle, the engine is stopped and the lock rod 105 is moved by driving of a drive motor (not shown). 100 changes from the steering unlocked state of FIG. 11 to the steering locked state of FIG.

In this steering lock state, when a person who attempts to unlock the electric steering lock device 100 from the outside attacks and an impact of a predetermined value or more is applied to the electric steering lock device 100, the rod guide portion 103 and the lock rod 105 Is divided at the locations of the fragile portions 106 and 107. Then, as shown in FIG. 13, the stopper 125 does not restrict the lock control member 123, the lock control member 123 moves upward by the spring force of the second spring 124, and the lock pin 121 moves to the first engagement of the lock rod 105. Locked in the stop groove 126. Thereby, even after the electric steering lock device 100 is divided, the locked state of the steering shaft 110 is maintained, so that the anti-theft property is excellent.
JP 2004-231122 A

  However, since the conventional electric steering lock device 100 is configured so that the lock pin 121 is locked to the first locking groove 126 of the lock rod 105 only when the fragile portions 106 and 107 are cut off, It is conceivable that a person who locks attacks a cover (not shown) so as not to apply a predetermined external force to the rod guide portion 103 and the lock rod 105 and removes the cover from the frame main body 102 to perform unauthorized unlocking. Therefore, higher anti-theft performance than before is desired.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a steering lock device with excellent anti-theft performance that can maintain a locked state of a steering shaft when receiving an unauthorized attack regardless of the magnitude of an external force.

  The invention according to claim 1, which achieves the above object, includes a rod guide portion projecting from a frame body covered with a cover, and a movable position between a steering lock position and a steering unlock position in the rod guide portion. A lock recess, a lock recess disposed in one of the rod tip side portion and the rod guide portion, and a biasing arrangement toward the lock recess in the other of the rod tip side portion and the rod guide portion And a lock pin formed to be engageable with the lock recess, and a lock control member that engages with the lock pin and holds the lock pin in a deadlock standby position. The lock pin and the lock control member The lock pin to the deadlock engagement position where the lock recess and the lock pin engage with each other is released. Deadlock means for enabling movement, and when the cover is removed from the frame main body, the lock control member is displaced in the pin drop-off direction, and the movement restriction of the lock pin is released and deadlock occurs. A steering lock device that displaces to an engagement position and locks the lock rod, wherein the lock control member is detachably disposed, and is further slidable from an engagement position engaging with the lock pin in an insertion direction. When the lock control member is displaced in the insertion direction when the lock control member is displaced in the insertion direction, the lock pin is restricted in movement. It is released and moved to the deadlock engagement position.

  A second aspect of the present invention is the steering lock device according to the first aspect, wherein the deadlock means includes a release spring that urges the lock control member in a pin drop-off direction, and the cover is separated from the frame body. The lock control member is configured to be displaced in the pin drop-off direction by being released by the spring force of the release spring.

  A third aspect of the present invention is the steering lock device according to the first or second aspect, wherein the lock guide portion is weaker in strength than others, and the lock rod is stronger than the others. A rod-side fragile portion, and when an excessive external force is applied, the guide-side fragile portion divides the rod guide portion, and the rod-side fragile portion divides the lock rod, and the lock pin When the engagement with the lock control member is released, the lock pin moves to the deadlock engagement position, and the rod tip side portion located on the tip side from the rod side fragile portion of the lock rod is the position at the time of division. It is characterized by locking.

  According to the first aspect of the present invention, when a person who intends to unlock unauthorizedly applies an external force to the cover and performs an attack, the lock control member is displaced in the insertion direction, and the lock pin locks the lock rod. In addition, when a person who is trying to unlock illegally attacks the cover so that an external force exceeding a predetermined level does not act on the rod guide part and the lock rod, and the cover is removed from the frame body, the lock control member moves in the pin drop direction. The lock pin locks the lock rod. Therefore, it is possible to cope with not only an unauthorized attack that causes external force to act on the cover, but also an unauthorized attack that illegally opens the cover. When received, the steering shaft can be locked and has high anti-theft performance.

  According to the invention of claim 2, the same effect as that of the invention of claim 1 can be obtained.

  According to the invention of claim 3, when a person who intends to illegally unlock is attacked from the outside and an impact of a predetermined value or more is applied to the rod guide part and the lock rod, the rod guide part and the lock rod are located at the weak part. Divided. Then, since the engagement between the lock control member and the lock pin is released and the lock pin locks the lock rod, the anti-theft property can be further improved.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 to 9 show an embodiment of the present invention, FIG. 1 is a plan view of an electric steering lock device, FIG. 2 is a steering lock state along the line A-A in FIG. FIG. 3 is a sectional view taken along the line BB of FIG. 2, FIG. 4 is an exploded perspective view of the main part of the electric steering lock device, and FIG. 5 is a lock control member in a normally assembled state. FIG. 6 is a cross-sectional view of the main part showing a state where the lock pin is engaged with the lock pin, and FIG. 6 is a cross-sectional view of the steering lock state along the line AA in FIG. 7 is a cross-sectional view taken along the line CC of FIG. 6, FIG. 8 is a cross-sectional view of the steering lock state along the line AA of FIG. 1, and an external force is applied to the cover, and FIG. FIG.

  As shown in FIGS. 1 to 4, an electric steering lock device 1 that is a steering lock device has a frame 2, and the frame 2 is a frame main body 3 and a rod guide that protrudes below the frame main body 3. Part 4. Each of the frame body 3 and the rod guide portion 4 is provided with bolt insertion holes 5 at appropriate positions for fixing to the vehicle body side.

  The lower end of the cover 6 is inserted into a fitting groove 7 formed on the peripheral edge of the upper surface of the frame body 3 and is assembled to the frame body 3 by a plurality of locking pins 8 (shown in FIG. 4). .

  On the upper surface of the frame body 3 covered with the cover 6, an ignition key (not shown) that can be rotated by a person carrying the electronic key, and a motor unit 9 that is driven and controlled by the rotation operation of the ignition key. The cam member 10 fixed to the output shaft of the motor unit 9 and the steering lock preventing unit 20 are accommodated. The motor unit 9 is composed of a drive motor (not shown) and a speed reduction mechanism (not shown) that decelerates and outputs the motor rotation, and the drive unit is constituted by the motor unit 9 and the cam member 10. . A control unit 12 is fixed to the lower surface of the frame body 3.

  A rod guide hole 13 is formed in the rod guide portion 4. One end side of the rod guide hole 13 opens to the upper surface of the frame body 3 covered with the cover 6, and the other end side opens to the outside.

  The lock rod 14 includes an upper rod portion 14 a that is a rod proximal end portion and a lower rod portion 14 b that is connected to the upper rod portion 14 a and is movably disposed in the rod guide hole 13. The upper end side of the upper rod portion 14a protrudes on the frame body 3. A hanger portion 15 is integrally provided at the upper end of the upper rod portion 14 a protruding on the frame body 3. A spring 16 is disposed on the upper surface of the upper rod portion 14 a to urge the lock rod 14 toward the lock position described later, and the lower surface of the hanger portion 15 is pressed against the cam member 10 by the spring force of the spring 16. As a result, the lock rod 14 moves following the cam surface of the cam member 10 to prevent the rotation of the steering shaft (not shown) and the lock position (the position shown in FIGS. 2 and 3) and the steering shaft (not shown). Move between unlocked positions that allow rotation.

  The steering lock preventing unit 20 includes a unit frame 21 screwed to the frame body 3 and an electromagnetic solenoid 22 fixed to the unit frame 21. The base end side of the lock plate 23 is fixed to the telescopic rod 22 a of the electromagnetic solenoid 22. The tip of the lock plate 23 extends to a position near the lock rod 14. When the lock rod 14 is positioned at the unlock position, when the electromagnetic solenoid 22 is turned off, the lock plate 23 enters the locking recess 24 of the lock rod 14 by the spring 22b and prevents the lock rod 14 from moving. When the electromagnetic solenoid 22 is turned on, the lock plate 23 is retracted from the locking recess 24 of the lock rod 14 and allows the lock rod 14 to move. That is, the steering lock prevention unit 20 reliably prevents the lock rod 14 from moving to the lock position due to an impact or the like when the engine is started and the vehicle is running.

  In addition, a guide-side fragile portion 17 and a rod-side fragile portion 18 that are weaker in strength than other portions are provided at the base end portion of the rod guide portion 4 and the connecting portion of the upper rod portion 14a and the lower rod portion 14b of the lock rod 14. Is provided. When an external force of a predetermined value or more is applied to the rod guide portion 4 and the lock rod 14, the rod guide portion 4 and the rod-side fragile portion 18 of the lock rod 14 are divided.

  The deadlock means 30 is disposed on the tip side from the guide-side fragile portion 17 and is displaceable between a deadlock standby position where the lock rod 14 is not locked and a deadlock engagement position where the lock rod 14 is held in the lock position. A lock pin 31, a spring 32 that urges the lock pin 31 toward the deadlock engagement position, a lock control member 33 that holds the lock pin 31 in the deadlock standby position so as not to move to the deadlock engagement position, First and second locking grooves 34 and 35 which are lock recesses formed in the lower rod portion 14b of the lock rod 14 are provided.

  The lock control member 33 is formed by bending a sheet metal having a predetermined shape, and includes an intermediate horizontal portion 33a, a lower vertical portion 33b extending downward from one end side of the intermediate horizontal portion 33a, and an intermediate horizontal portion 33a. The upper vertical portion 33c extends upward from the other end side. The lower vertical portion 33b is inserted into the guide hole 36 of the rod guide portion 4, and the tip thereof is disposed at a restriction position that holds the lock pin 31 at the deadlock standby position. The intermediate horizontal portion 33 a and the upper vertical portion 33 c are disposed on the frame body 3 covered with the cover 6, and the upper end of the upper vertical portion 33 c is in contact with the inner wall of the cover 6. That is, the lock control member 33 is supported by the assembling force between the cover 6 and the frame main body 3, and when the guide member fragile portion 17 divides the lock control member 33, the rod guide portion 4 is separated from the frame main body 3. By doing so, the movement restriction of the lock pin 31 is released.

  The intermediate horizontal portion 33a and the upper vertical portion 33c arranged on the frame body 3 are arranged so that only the side surface on the plate thickness side can be seen when viewed from the upper surface side of the cover 6 (see FIG. 1).

  Further, the middle horizontal portion 33 a and the upper vertical portion 33 c arranged on the frame body 3 are surrounded by a protective wall 40 of the frame body 3. The protective wall 40 is formed so as to guide the movement of the lock control member 33 in the pin drop-off direction a.

  A release spring 37 of a compression coil spring is interposed in a compressed state at a position surrounded by the protective wall 40 and between the spring receiving projecting surface of the upper vertical portion 33 c and the frame body 3. In other words, the lock control member 33 is positioned at a position where the movement of the lock pin 31 is restricted by the assembling force between the cover 6 and the frame body 3, but when the cover 6 is removed from the frame body 3, the lock pin 31. It is configured to be displaced in the pin drop-off direction a for releasing the movement restriction.

  The first locking groove 34 is set at a position facing the lock pin 31 when the lock rod 14 is positioned at the lock position. The second locking groove 35 is set at a position facing the lock pin 31 when the lock rod 14 is located at the unlock position.

  In the above configuration, when the person carrying the electronic key rotates an ignition key (not shown) from the OFF position to the ON position to run the vehicle, the lock rod 14 is moved by the drive of the motor unit 9, and FIG. 3 is shifted from the locked position to the unlocked position. Thereafter, when the ignition key is moved to the engine start position, the engine is started.

  If the driver's knee hits the electric steering lock device 1 and an impact of a predetermined value or more is applied to the rod guide portion 4 and the lock rod 14 at that time, the rod guide portion 4 and the lock rod 14 are weakened. It is divided at 17 and 18, thereby reducing the impact received by the driver.

  When the rod guide portion 4 and the lock rod 14 are divided by the guide-side weak portion 17 and the rod-side weak portion 18, the lock control member 33 does not regulate the lock pin 31, and the lock pin 31 becomes the first of the lock rod 14. 2 is locked in the locking groove 35. Thereby, even after the electric steering lock device 1 is divided, the unlocked state of the steering shaft (not shown) is maintained. By maintaining the unlocked state of the steering shaft (not shown), the steering wheel can be freely turned while the vehicle is running, and driving safety is ensured.

  When the person carrying the electronic key returns the ignition key from the engine start position to the off position in order to park the vehicle, the engine is stopped and the lock rod 14 is moved by driving the motor unit 9, and the figure is displayed from the steering unlock position. 2 and the steering lock position shown in FIG.

  In this steering lock state, when a person who attempts to unlock the electric steering lock device 1 from the outside attacks and an impact of a predetermined value or more is applied to the rod guide part 4 and the lock rod 14, the guide side weak part 17 And it is parted by the rod side weak part 18. Then, the lock control member 33 does not restrict the lock pin 31, and the lock pin 31 is locked in the first locking groove 34 of the lower rod portion 14 b of the lock rod 14. Thus, even after the electric steering lock device 1 is divided, the locked state of the steering shaft (not shown) is maintained, and a person who attempts to unlock the wheel cannot freely rotate the steering shaft.

  Further, the cover 6 is attacked so that a person who is illegally unlocking the electric steering lock device 1 in the steering lock state does not act on the rod guide portion 4 and the lock rod 14 with an external force exceeding a predetermined value. It can be considered to be removed from the frame body 3. When the cover 6 is slightly removed from the frame body 3, the lock control member 33 is moved in the pin drop-off direction a by the spring force of the release spring 37 as shown in FIGS. 6 and 7, and the lock control member 33 and the lock pin 31 are moved. The lock pin 31 is moved in the lock direction b and is locked in the first locking groove 34 of the lower rod portion 14b of the lock rod 14. Thereby, even if the cover 6 is opened, the locked state of the steering shaft is maintained, and a person who attempts to unlock the wheel cannot rotate the steering shaft freely.

  Further, in the steering lock state, a person who attempts to unlock the electric steering lock device 1 illegally attacks the cover 6 and the frame body 3 with an excessive external force greater than or equal to a predetermined value, and the guide-side weak portion 17 and the rod-side weak portion. When the portion 18 is broken, the lock control member 33 is dropped together with the frame body 3, the engagement between the lock control member 33 and the lock pin 31 is released, and the lock pin 31 is moved in the lock direction b to be locked rod. 14 is locked in the first locking groove 34 of the lower rod portion 14b. Thereby, even if the cover 6 is opened, the locked state of the steering shaft is maintained, and a person who attempts to unlock the wheel cannot rotate the steering shaft freely.

  In addition, when a person who is in the steering lock state and intends to unlock the electric steering lock device 1 by applying an external force to the upper surface of the cover 6 as shown in FIGS. The lock control member 33 moves in the pin insertion direction c, the engagement between the lock control member 33 and the lock pin 31 is released, the lock pin 31 moves in the lock direction b, and the lower rod portion 14b of the lock rod 14 It is locked in the first locking groove 34. Thereby, even if the cover 6 is opened, the locked state of the steering shaft is maintained, and a person who attempts to unlock the wheel cannot rotate the steering shaft freely.

  As described above, according to the present invention, the steering shaft is kept locked when an unauthorized attack is received regardless of the magnitude of the external force, and the steering is also received when an unauthorized attack is performed such that the cover 6 is illegally opened. Since the locked state of the shaft is maintained, it has a high anti-theft property.

  In this embodiment, the deadlock means 30 has a release spring 37 that urges the lock control member 33 in the pin drop-off direction, and is locked by the spring force of the release spring 37 when the cover 6 is removed from the frame body 3. The control member 33 is configured to be displaced in the pin drop-off direction a. Therefore, when the cover 6 is removed from the frame body 3, the lock rod 14 can be reliably locked by the spring force of the release spring 37. Further, in this embodiment, although it is necessary to change the shape of the lock control member 33 as compared with the conventional configuration, a release spring 37 may be added as a part, and the cover 6 is illegally added by adding the minimum number of parts. Can deal with opening.

  In this embodiment, the frame body 3 is provided with a protective wall 40 that surrounds the lock control member 33 and guides the movement of the lock control member 33 in the pin drop-off direction a. Therefore, even if a hole is formed in the cover 6 and a driver or the like is inserted through the hole to press the lock control member 33, the protective wall 40 cannot be easily pressed because it is an obstacle. Therefore, the anti-theft property can be improved. Further, since the lock control member 33 is smoothly guided in the pin drop-off direction by being guided by the protective wall 40, the lock rod 14 can be reliably locked.

  In this embodiment, the release spring 37 is disposed at a position surrounded by the protective wall 40 and is disposed between the lock control member 33 and the upper surface of the frame body 3. Therefore, even if a hole is formed in the cover 6 and a driver or the like is inserted through the hole to remove the release spring 37, the release wall 37 cannot be removed because the protective wall 40 or the lock control member 33 is in the way. Therefore, the anti-theft property can be improved.

  In this embodiment, the lock control member 33 is arranged so that only the side surface on the plate thickness side can be seen when viewed from the upper surface side of the cover 6, so a hole is made in the cover 6 and a screwdriver or the like is inserted through the hole. Even if the lock control member 33 is to be pressed, it cannot be easily pressed because the area to be pressed is small. Therefore, the anti-theft property can be improved.

  In this embodiment, the case where the present invention is applied to the electric steering lock device 1 is shown. However, the present invention can also be applied to a mechanical steering lock device that moves the lock rod 14 by using an operation force from a mechanical key as a power. Of course.

  In this embodiment, the lock rod 14 is composed of two parts, that is, an upper rod part 14a and a lower rod part 14b that are connected to each other. Of course.

  In this embodiment, the lock control member 33 and the release spring 37 are provided. When the cover 6 is removed from the frame body 3, the lock control member 33 is displaced in the pin drop-off direction a by the spring force of the release spring 37. However, if the lock control member 33 itself has a spring property (for example, the lock control member 33 is formed of a spring material) and the cover 6 is removed from the frame main body 3 by an unauthorized attack, the lock control member 33 itself has a spring property. The lock control member 33 may be configured to be displaced in the pin drop-off direction a by the spring force of the member 33 itself. If comprised in this way, a cancellation | release spring will also become unnecessary and will reduce the number of parts further. Further, when the cover 6 is assembled to the frame body 3, the lock control member 33 is connected to the cover 6 in this assembling process. Then, when the cover 6 is removed from the frame body 3 by an unauthorized attack, the lock control member 33 may be displaced in the pin drop-off direction a.

1 is a plan view of an electric steering lock device according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing the embodiment of the present invention, in a steering lock state along the line AA in FIG. 1, and in a state where the cover is normally assembled to the frame body. FIG. 3 shows an embodiment of the present invention and is a cross-sectional view taken along the line BB in FIG. 2. FIG. 4 is an exploded perspective view of a main part of an electric steering lock device according to an embodiment of the present invention. It is principal part expansion perspective view which showed one Embodiment of this invention, and showed a mode that a lock control member and a lock pin engaged in the state normally assembled | attached. FIG. 2 is a cross-sectional view showing the embodiment of the present invention, in a steering lock state along the line AA in FIG. 1 and with a cover slightly removed from the frame body. FIG. 7 is a cross-sectional view taken along line CC of FIG. 6, showing an embodiment of the present invention. FIG. 2 is a cross-sectional view illustrating the embodiment of the present invention, in a steering lock state along the line AA in FIG. 1 and with an external force applied to the cover. FIG. 9 is a cross-sectional view taken along the line CC of FIG. 8, showing an embodiment of the present invention. It is sectional drawing which shows the steering lock state of the conventional electric steering lock apparatus. It is sectional drawing which shows the steering unlocked state of the conventional electric steering lock apparatus. It is sectional drawing when a deadlock means act | operates in a steering unlocked state. It is sectional drawing when a deadlock means act | operates in a steering lock state.

Explanation of symbols

1 Electric steering lock device (steering lock device)
3 Frame body 4 Rod guide part 6 Cover 9 Motor unit (drive mechanism part)
10 Cam member (drive mechanism)
DESCRIPTION OF SYMBOLS 14 Lock rod 17 Guide side weak part 18 Rod side weak part 30 Deadlock means 31 Lock pin 33 Lock control member 34 1st latching groove 34 (lock recessed part)
37 Release spring 40 Protective wall

Claims (3)

A rod guide portion protruding from a frame body covered with a cover;
A lock rod disposed in the rod guide portion so as to be movable between a steering lock position and a steering unlock position;
A lock recess disposed in one of the rod tip side portion and the rod guide portion, and a bias recess disposed toward the lock recess portion on the other of the rod tip side portion and the rod guide portion, and the lock recess And a lock control member that engages with the lock pin and holds the lock pin in a deadlock standby position, and releases the engagement between the lock pin and the lock control member. A deadlock means that enables the lock pin to move to a deadlock engagement position where the lock recess and the lock pin are engaged,
When the cover is removed from the frame body, the lock control member is displaced in the pin drop direction, the movement restriction is released and the lock pin is displaced to the deadlock engagement position, and the lock rod is locked. A steering lock device,
The lock control member is detachably disposed, and is slidable further in the insertion direction from a locking position engaging with the lock pin, and is in a pin drop direction in a state of being engaged with the tip of the lock pin. Biased to the inner surface of the cover,
When the lock control member is displaced in the insertion direction, the lock pin is released from movement restriction and moved to a deadlock engagement position. The steering lock device according to claim 1,
The deadlock means includes
A release spring for urging the lock control member in the pin drop-off direction;
A steering lock device, wherein the lock control member is displaced in a pin drop-off direction by a spring force of the release spring when the cover is removed from the frame body. The steering lock device according to claim 1 or 2,
A guide-side weakened portion weaker than others in the lock guide portion, and
The lock rod is provided with a rod-side fragile portion weaker than others in strength,
When an excessive external force is applied, the rod guide part is divided at the guide-side weak part, and the lock rod is divided at the rod-side weak part,
The engagement between the lock pin and the lock control member is released, and the lock pin moves to a deadlock engagement position,
A steering lock device, wherein a rod tip side portion located on the tip side of the rod side weak portion of the lock rod is locked at a position at the time of division.

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