JP5710900B2 - Ignition switch device - Google Patents

Description

  The present invention relates to an ignition switch device installed in a motorcycle or the like.

  Conventionally, for example, an ignition switch device disclosed in Patent Document 1 has been disclosed in order to prevent a cylinder lock such as a two-wheeled vehicle from being destroyed by insertion into a key hole of a scissor or a driver by a third party for the purpose of theft. Proposed. Such an ignition switch device is configured to include a shutter (first cylinder lock) having a hole shape substantially the same as a key hole of a rotor, and an ignition for the key hole by matching the hole shape with the key hole. The insertion of the ignition key into the key hole is restricted by allowing the key to be inserted and making the hole shape substantially orthogonal to the key hole.

  Further, the conventional ignition switch device includes a lock unit that can lock the shutter by restricting the rotation of the shutter toward the open position when the shutter is in the restriction position. This locking means is composed of a tumbler that restricts and locks the rotation of the shutter to the open position side, and inserts a key portion of a lock key into a through hole formed in the shutter to press the tumbler. Thus, the shutter is locked and unlocked. According to such a conventional ignition switch device, an antitheft effect can be expected with a relatively simple configuration.

Japanese Patent Laid-Open No. 11-170980

  However, in the above conventional ignition switch device, the lock means is constituted by a tumbler that locks by restricting the rotation of the shutter to the open position side, and the key of the lock key is inserted into the through hole formed in the shutter. Since the tumbler is configured to be pressed through the portion, there is a possibility that foreign matters such as rainwater and dust may enter from the outside through the through hole.

  The present invention has been made in view of such circumstances, and provides an ignition switch device that can suppress theft with a relatively simple configuration and can easily seal the locking means. There is.

According to a first aspect of the present invention, there is provided a rotor that is rotatably arranged in a cylinder body and has a key hole into which an ignition key can be inserted and removed, and a rotor that is rotatably attached to the rotor while covering the upper surface of the rotor. An opening position that is substantially the same as the key hole, matches the hole shape with the key hole, and allows the ignition key to be inserted into the key hole; and A shutter that is rotatable between a restriction position that restricts the insertion of the ignition key into the key hole as being shifted from the hole, and the shutter that is formed in the rotor and is open when the shutter is in the restriction position. Lock means that can be locked by restricting rotation to the position side, and unlocking the lock means to rotate the shutter to the open position side. A ignition switch device provided with a unlocking means capable of, said unlocking means are closed and the magnetic field generator capable of generating a magnetic and a lockable protrusion is inserted into the hole shape of the shutter The locking means can be engaged with a recess formed on the back surface of the shutter to lock the shutter, and repels and moves by the magnetism of the magnetism generating means in the unlocking means. be solved engagement consists magnet lock having a magnet that can unlock the shutter, and the shutter, the upper surface is a substantially flat plane Rutotomoni, the protrusion is inserted into the hole shape In the locked state, the magnetism generating means becomes a position corresponding to the locking means and the lock is released, and the unlocking means is rotated from that state to release from the regulation position. Wherein the rotation operation until the location is possible.

According to a second aspect of the invention, in the ignition switch device according to claim 1 Symbol placement, the magnet in the magnet lock includes a rotary shaft of the rotor substantially can lock or unlock the shutter moves in a direction parallel to the It is characterized by that.

According to a third aspect of the present invention, in the ignition switch device according to the first or second aspect , a sealing means for sealing the magnet and a moving range of the magnet is formed.

  According to the invention of claim 1, the locking means can be locked in the recess formed on the back surface of the shutter to lock the shutter, and repels and moves by the magnetism of the magnetism generating means in the unlocking means, Because it consists of a magnet lock with a magnet that can be released from the recess and unlocked the shutter, it can be controlled with a relatively simple structure and can be easily sealed. Can be done.

Furthermore , since the upper surface of the shutter is a substantially flat surface, it is possible to prevent a third party for the purpose of theft from forcibly rotating the rotor together with the shutter using a general-purpose tool such as pliers. The anti-theft effect can be further improved.

According to the second aspect of the present invention, the magnet in the magnet lock moves in a direction substantially parallel to the rotation axis of the rotor to enable the shutter to be locked or unlocked. Therefore, the dimension in the width direction of the ignition switch device can be reduced. It can be set small, and downsizing of the apparatus can be achieved.

According to the invention of claim 3 , since the sealing means for sealing the magnet and the moving range of the magnet is formed, it is possible to prevent the magnet from moving smoothly due to the intrusion of rainwater or foreign matter. And the reliability of the apparatus can be improved.

The top view which shows the ignition switch apparatus (shutter is an open position) concerning a reference example The top view which shows the ignition switch device (the shutter is a regulation position) Sectional view taken along line III-III in FIG. Sectional view along line IV-IV in FIG. Front view showing unlocking means (magnet key) in the ignition switch device Plan view showing the unlocking means (magnet key) Cross-sectional schematic diagram showing a state in which the lock by the lock means (magnet lock) is released by the unlock means (magnet key) The top view which shows the same ignition switch apparatus (a shutter is an open position and a rotor is an OFF position) The top view which shows the same ignition switch apparatus (a shutter is an open position and a rotor is an ON position) Schematic sectional view showing an ignition switch device (magnet lock is locked) according to implementation embodiments of the present invention Front view showing unlocking means (magnet key) in the ignition switch device Plan view showing the unlocking means (magnet key) Cross-sectional schematic diagram showing a state in which the lock by the lock means (magnet lock) is released by the unlock means (magnet key) Schematic cross-sectional view showing an ignition switch device (magnet lock is locked) according to another reference example of the present invention. Front view showing unlocking means (magnet key) in the ignition switch device Plan view showing the unlocking means (magnet key) Cross-sectional schematic diagram showing a state in which the lock by the lock means (magnet lock) is released by the unlock means (magnet key)

Hereinafter, reference examples and embodiments of the present invention will be specifically described with reference to the drawings.
An ignition switch device according to a reference example is provided with a rotor that is mounted on a two-wheeled vehicle or the like and into which an ignition key can be inserted and removed. As shown in FIGS. 1 to 6, a rotor 2, a shutter 3, and a magnet as a lock means It is mainly composed of a lock 4, a magnet key 7 as unlocking means, and O-rings 5 and 6 as sealing means.

  The rotor 2 is disposed so as to be rotatable around a rotation axis (an axis extending in the vertical direction in FIGS. 3 and 4) in the cylinder body S constituting the casing of the ignition switch device 1, and is provided with an ignition key IK (FIG. 5). The key hole 2a into which the reference can be inserted and removed is formed. A plurality of tumblers are formed in the rotor 2, and when the key portion IKa of the normal ignition key IK is inserted into the key hole 2a, each tumbler is rotated by the key pile of the key portion IKa, and the rotor 2 The entirety is configured to be rotatable with respect to the cylinder body S.

  However, when the rotor 2 is rotated to the ON position with the key portion IKa of the ignition key IK inserted through the key hole 2a of the rotor 2 (see FIG. 9), the engine of the motorcycle (vehicle) is started, When the rotor 2 is rotated to the off position (see FIG. 8), the engine of the motorcycle (vehicle) is stopped. Further, when the key portion IKa of the ignition key IK is inserted through the key hole 2a of the rotor 2 in the off position, when the rotary operation is performed to the lock position while pressing (see FIG. 1), the ignition switch device 1 is disposed. The lock bar thus made protrudes and engages with the handle bar of the two-wheeled vehicle (vehicle) so that the steering lock is possible.

  The shutter 3 is rotatably attached to the rotor 2 by a connecting member 8 while covering the upper surface of the rotor 2 (the surface facing the key hole 2a), and has a hole shape 3a substantially the same as the key hole 2a. Has been. That is, the connecting member 8 is formed of a member that connects the rotor 2 and the shutter 3 and rotates integrally with the rotor 2. The shutter 3 has an open position (FIG. 1) that allows the ignition key IK (specifically, the key portion IKa of the ignition key IK) to be inserted into the key hole 2a by matching the hole shape 3a with the key hole 2a. And an ignition key IK (strictly speaking, the key shape 2a in a state in which the hole shape 3a is displaced from the key hole 2a (strictly, the hole shape 3a is substantially orthogonal to the key hole 2a). , And a restriction position (see FIG. 2) that restricts the insertion of the key part IKa) of the ignition key IK.

That is, when the shutter 3 is in the open position, the key hole 2a matches the hole shape 3a, so that the ignition key IK can be inserted into the key hole 2a, and when the shutter 3 is in the restriction position, the key hole Since the hole shape 3a does not match 2a and is orthogonal, the insertion of the ignition key IK into the key hole 2a is restricted. In this reference example , when the shutter 3 is in the restricting position, the hole shape 3a is orthogonal to the key hole 2a, but the hole shape 3a is shifted from the key hole 2a. This is sufficient, and even when the two are slightly shifted, the insertion of the ignition key IK can be restricted.

In this reference example , the rotor 2 has a convex portion protruding upward from its upper surface, and the shutter 3 has a convex shape 3c (a shape in which the center protrudes upward) following the convex portion. )have. By setting the protrusion of the convex shape 3c to a slight size, the O-ring 6 as the sealing means may be easily and reliably inserted, or the protrusion of the convex shape 3c is set to a certain size. Accordingly, the shutter 3 may be rotated by grasping the convex shape 3c.

Further, in the present reference example , as shown in FIG. 4, a protrusion 3 d protruding downward is formed at a predetermined position on the back side of the shutter 3, and a groove shape 2 b that can slide the protrusion 3 d is formed in the rotor 2. Is formed. That is, the groove shape 2b is formed in an arc shape in plan view, and when the shutter 3 rotates relative to the rotor 2, the projection 3d moves along the groove shape 2b to guide the shutter 3. (Guidance) can be done. Thereby, the rotation operation with respect to the rotor 2 of the shutter 3 can be performed smoothly.

The magnet lock 4 (locking means) is formed on the upper surface side of the rotor 2 (specifically, the peripheral edge of the key hole 2a), and when the shutter 3 is in the restricting position, it rotates the shutter 3 toward the open position. It can be regulated and locked. The magnet lock 4 according to the present reference example includes a magnet 4 a and a spring 4 b that are respectively inserted into four recesses formed on the periphery of the key hole 2 a on the upper surface side of the rotor 2. Note that it is not always necessary to insert the magnet 4a and the spring 4b into all four recesses, and it is sufficient that the magnets 4a and springs 4b are inserted into two or three recesses.

Each of the magnets 4a is arranged with the S pole or the N pole being directed upwards arbitrarily (that is, optionally arranged so that the upper part becomes the S pole or the N pole), and a spring. 4b is always urged upward. By arbitrarily setting the arrangement of the magnet 4a, a key type by the magnet lock 4 is configured. In this reference example , the magnet 4a in the magnet lock 4 is movable in a direction substantially parallel to the rotation axis of the rotor 2 (that is, the vertical direction in FIGS. 3 and 4).

  The O-rings 5 and 6 as sealing means are for sealing the magnet 4a of the magnet lock 4 and the movement range of the magnet 4a (the concave portion accommodating the magnet 4a and the concave portion 3b formed on the back surface of the shutter 3). is there. That is, an O-ring 6 is interposed between the rotor 2 and the shutter 3 (position corresponding to the convex portion 3c) on the inner diameter side from the formation site of the magnet 4a, and from the hole shape 3a and the key hole 2a side. Rain water and foreign matter can be prevented, and an O-ring 5 is interposed between the rotor 2 and the shutter 3 on the outer diameter side of the portion where the magnet 4a is formed. It is designed to prevent rainwater and foreign objects from entering.

  On the other hand, on the back surface of the shutter 3 (the surface facing the top surface of the rotor 2), there are formed four recesses 3b into which the respective magnets 4 can be fitted and locked. When the shutter 3 is in the restriction position, the recess 3b is formed at a position corresponding to the magnet 4a. When the shutter 3 is rotated from the open position to the restriction position, as shown in FIG. The magnet 4a enters the recessed portion 3b to be locked, and further rotation in the same direction and rotation to the open position side are restricted and a locked state is obtained.

The magnet key 7 (unlocking means) can unlock the magnet lock 4 (locking means) and rotate the shutter 3 to the open position side. As shown in FIGS. It is integrally formed with a gripping part IKb (a so-called mascot part that is a resin molded part that can be gripped by an operator). That is, the ignition key IK has a key portion IKa that can be inserted into the key hole 2a, and a magnet key 7 is integrally formed on the opposite side of the portion where the key portion IKa is formed. . In this reference example , the magnet key 7 is integrally formed with the grip portion IKb of the ignition key IK, but may be configured separately from the ignition key IK.

As shown in FIGS. 5 and 6, the magnet key 7 includes a pair of bulging portions 7b bulging from the gripping portion IKb and magnets 7a formed on the bulging portions 7b (which can generate magnetism. It is mainly composed of a magnetism generating means ") and a protruding portion 7c that can be inserted into the hole shape 3a of the shutter 3. The bulging portion 7b is shaped so that the inside thereof can substantially match the outer peripheral wall surface of the convex portion 3c of the shutter 3, and a magnet 7a is embedded on the protruding end side. Two magnets 7a are embedded in one bulging portion 7b and two magnets 7a are embedded in the other bulging portion 7b. In this reference example , four magnets 7 a are embedded, but two or three magnets 7 a may be embedded in accordance with the magnet lock 4.

  Thus, when the shutter 3 is in the restricting position, as shown in FIG. 7, the magnet key 7 is brought into contact with the upper surface of the shutter 3 so as to sandwich the convex portion 3c of the shutter 3 by the pair of bulging portions 7b. When the protrusion 7c is inserted into the hole shape 3a of the shutter 3, each of the magnets 7a as the magnetism generating means becomes a position corresponding to each of the magnets 4a constituting the magnet lock 4 (locking means). It is set as follows.

  Here, the magnet 7a as the magnetism generating means has a lower surface (surface opposed to the magnet 4a via the shutter 3) that is the same as the upper surface of the magnet 4a (if the upper surface of the magnet 4a is an S pole, In the case where the upper surface of the magnet 4a is N-pole, it is N-pole). As a result, when the magnet key 7 is brought into contact with the upper surface of the shutter 3, as shown in FIG. The shutter 3 is moved downward and the engagement with the recess 3b formed on the back surface of the shutter 3 is released, and the shutter 3 can be unlocked.

  If the gripping portion IKb of the ignition key IK is rotated while maintaining the unlocked state in this way, the protruding portion 7c is inserted and locked into the hole shape 3a of the shutter 3, so that the shutter 3 is rotatable relative to the rotor 2, and a rotation operation from the restriction position to the open position is allowed. When the shutter 3 reaches the open position, as described above, the key hole 2a and the hole shape 3a match, so that the ignition key IK can be inserted into the key hole 2a. When the rotor 2 is rotated by operating the ignition key IK, the shutter 3 is rotated as shown in FIGS.

According to this reference example , the locking means can be locked in the recess 3b formed on the back surface of the shutter 3 to lock the shutter 3, and the magnetism generating means (magnet 7a) in the unlocking means (magnet key 7). ) Is repelled by magnetism, and is composed of a magnet lock 4 having a magnet 4a that can be released from the engagement with the recess 3b to unlock the shutter 3, so that it can be stolen with a relatively simple structure. In addition to being able to achieve suppression, the locking means 4 can be easily sealed. That is, although the shutter 3 is formed with a hole shape 3a corresponding to the key hole 2a, the lock means is constituted by the magnetic lock 4, so that other parts are inserted so that the unlock means can be inserted into the lock means. It is not necessary to form a through-hole, and the waterproof or dustproof effect can be improved.

Moreover, according to this reference example , the magnet 4a in the magnet lock 4 is moved in a direction substantially parallel to the rotation axis of the rotor 2 so that the shutter 3 can be locked or unlocked. The dimension in the width direction can be set small, and the apparatus can be miniaturized. Furthermore, since the O-rings 5 and 6 (sealing means) for sealing the magnet 4a and the moving range of the magnet 4a are formed, it is possible to prevent the magnet 4a from moving smoothly due to intrusion of rainwater or foreign matter. And the reliability of the apparatus can be improved.

In this reference example , the rotor 2 has a convex portion protruding upward from its upper surface, and the shutter 3 has a convex shape 3c that follows the convex portion. If the projection dimension of the shutter 3 is set to be relatively large, when the rotation operation from the opening position of the shutter 3 to the restriction position is performed, the protrusion 3c of the shutter 3 is picked and operated without using the unlocking means such as the magnet key 7. And operability can be improved. On the other hand, if the protruding dimension of the convex shape 3c is set to be minute, it is difficult for a third party for the purpose of theft to hold the convex shape 3c with a general-purpose tool or the like, and the crime prevention effect can be further improved. .

Next, a description will engage Ru implementation form the present invention.
As in the reference example , the ignition switch device according to the present embodiment includes a rotor that is mounted on a two-wheeled vehicle or the like and into which an ignition key can be inserted and removed. As shown in FIG. 10, the rotor 9, the shutter 10, and the lock Mainly composed of a magnet lock 4 as means, a magnet key 7 as unlock means, and O-rings 5 and 6 as seal means. In addition, the same code | symbol is attached | subjected to the component similar to the reference example in ignition switch apparatus 1 'which concerns on this embodiment, and those detailed description is abbreviate | omitted.

As in the reference example , the rotor 9 is disposed in the cylinder body S constituting the casing of the ignition switch device 1 ′ so as to be rotatable around a rotation axis (an axis extending in the vertical direction in FIG. 10). A key hole 9a into which an IK (see FIG. 11) can be inserted and removed is formed. As in the reference example , the rotor 9 according to this embodiment does not have a convex portion on its upper surface, and O-rings 5 and 6 as sealing means are provided at substantially the same height.

As in the reference example , the shutter 10 is rotatably attached to the rotor 9 by the connecting member 8 while covering the upper surface of the rotor 9 (the surface facing the key hole 9a), and is substantially the same as the key hole 9a. A hole shape 10a is formed. However, the shutter 10 has an opening position that allows the ignition key IK (specifically, the key portion IKa of the ignition key IK) to be inserted into the key hole 9a by matching the hole shape 10a with the key hole 9a. When the hole shape 10a is shifted from the key hole 9a (strictly speaking, the hole shape 10a is substantially perpendicular to the key hole 9a), the ignition key IK (strictly, the ignition key IK) is associated with the key hole 9a. The key portion IKa) can be rotated between a restriction position for restricting insertion of the key part IKa).

On the other hand, on the back surface of the shutter 10 (the surface facing the top surface of the rotor 9), there are formed four recesses 10b into which the respective magnets 4 can be fitted and locked. The concave portion 10b is formed at a position corresponding to the magnet 4a when the shutter 10 is in the restricting position. When the shutter 10 is rotated from the open position to the restricting position, the magnet 4a enters the concave portion 10b. Is locked, and further rotation in the same direction and rotation to the open position side are restricted and a locked state is established. As in the reference example , it is not necessary to provide the magnets 4a in all the four recesses 10b, and it is sufficient if they are provided in two or three places.

  The magnet key 7 (unlocking means) can unlock the magnet lock 4 (locking means) and rotate the shutter 10 to the open position side. As shown in FIGS. It is integrally formed with a gripping part IKb (a so-called mascot part that is a resin molded part that can be gripped by an operator). In the present embodiment, the protruding end of the protruding portion 7c is set to be higher than the protruding end of the bulging portion 7b by a dimension t. When the shutter 10 is in the restricting position, as shown in FIG. Is inserted into the hole shape 10 of the shutter 10, and each of the magnets 7a as the magnetism generating means is set to a position corresponding to each of the magnets 4a constituting the magnet lock 4 (locking means). .

  In this state, the lock by the magnetic lock 4 is released, and if the gripping portion IKb of the ignition key IK is rotated, the protruding portion 7c is inserted and locked in the hole shape 10a of the shutter 10, so that The shutter 10 is rotatable relative to the rotor 9, and a rotation operation from the restriction position to the open position is allowed.

Here, in the shutter 10 according to the present embodiment, the convex portion 3c is not formed as in the reference example , and the upper surface thereof is a substantially flat surface (a surface on which almost no irregularities other than the hole shape 10a are formed). . As a result, it is possible to prevent a third party for the purpose of theft from forcibly rotating the rotor 2 together with the shutter 3 using a general-purpose tool such as pliers, and the antitheft effect can be further improved.

  Further, according to the present embodiment, the locking means can be locked in the recess 10b formed on the back surface of the shutter 10 to lock the shutter 10, and the magnetism generating means (magnetic key 7) (unlocking means (magnet key 7)). Since the magnet 7a is repelled by the magnetism of the magnet 7a) and is disengaged from the concave portion 10b to disengage the shutter 10, the magnet lock 4 has a magnet 4a. Theft can be suppressed and the locking means 4 can be easily sealed.

  Further, according to the present embodiment, the magnet 4a in the magnet lock 4 is moved in a direction substantially parallel to the rotation axis of the rotor 9 so that the shutter 10 can be locked or unlocked. The dimension in the width direction can be set small, and the apparatus can be miniaturized. Furthermore, since the O-rings 5 and 6 (sealing means) for sealing the magnet 4a and the moving range of the magnet 4a are formed, it is possible to prevent the magnet 4a from moving smoothly due to intrusion of rainwater or foreign matter. And the reliability of the apparatus can be improved.

Although the present embodiment has been described above, the present invention is not limited thereto . As another reference example, for example, as shown in FIG. 14, the magnet 4 a in the magnet lock 4 is moved in a direction substantially orthogonal to the rotation axis of the rotor 11 to enable the shutter 12 to be locked or unlocked. It is good. An ignition switch device 1 ″ as another reference example is configured such that the upper surface of the rotor 11 protrudes upward, and the magnet 4a of the magnet lock 4 is disposed on the protruding portion. A concave portion 12b is formed at a portion corresponding to the magnet 4a in the shutter 12 so that the magnet 4a can be locked and locked.

  In this case, the magnet key 13 (unlocking means) as shown in FIGS. This magnet key 13 is integrally formed with the gripping part IKb of the ignition key IK, and has a bulging part 13b bulging in a cylindrical shape and a magnet 13a embedded toward the inner surface of the side wall of the bulging part 13b. (Magnetic generating means) and a protrusion 13c that can be inserted into the hole shape 12a of the shutter 12. Then, as shown in FIG. 17, when the cylindrical bulging portion 13 b is fitted into the convex portion 12 c of the shutter 12, the magnet 13 a as the magnetism generating means and the magnet 4 a of the magnet lock 4 become the convex portion 12 b of the shutter 12. And the lock by the magnet lock 4 is released.

  Further, the magnet lock 4 is not limited to the one having the four magnets 4a as in the above-described embodiment, and may have one to three magnets or five or more magnets disposed on the upper surface of the rotor. Good. Furthermore, in this embodiment, the sealing means is made of an O-ring, but other general-purpose means may be used as long as the sealing means seals the magnet 4a and the moving range of the magnet 4a. it can. In addition, in this embodiment, although applied to a two-wheeled vehicle, it is applicable to another vehicle.

The unlocking means has a magnetism generating means capable of generating magnetism and a protruding portion that can be inserted and locked in the hole shape of the shutter, and the locking means is locked to a recess formed on the back surface of the shutter. From the magnet lock having a magnet that can be locked by the magnetism generating means in the unlocking means and move by repulsion by the magnetism of the unlocking means to release the shutter lock. made, and the shutter, the upper surface is the substantially flat surface Rutotomoni, unlocked by the magnetic field generator is located at a position corresponding to the locking means in a state where the protruding portion is locked by inserting the hole shape it is, if the ignition switch device rotating operation to the open position from the restricting position by rotating the unlocking means from this state is possible, what outer shape is different, or with other functions It can be applied to are ones like.

1, 1 ′, 1 ″ ignition switch device 2 rotor 2a key hole 3 shutter 3a hole shape 3b recess 4 magnet lock (locking means)
5, 6 O-ring (sealing means)
7 Magnetic key (unlocking means)
7a Magnet (magnetic generation means)
8 Connecting member 9 Rotor 9a Key hole 10 Shutter 10a Hole shape 10b Recess 11 Rotor 11a Key hole 12 Shutter 12a Hole shape 12b Recess S Cylinder body

Claims (3)

A rotor that is rotatably arranged in the cylinder body and has a key hole into which an ignition key can be inserted and removed;
The upper surface of the rotor is rotatably attached to the rotor, and substantially the same hole shape as the key hole is formed. The hole shape matches the key hole and is ignited with respect to the key hole. A shutter that is rotatable between an open position that allows the key to be inserted and a restriction position that restricts the insertion of the ignition key into the key hole in a state in which the hole shape is shifted from the key hole;
Locking means formed on the rotor and capable of restricting and locking rotation of the shutter toward the open position when the shutter is in the restriction position;
Unlocking means capable of unlocking the locking means and rotating the shutter to the open position side;
An ignition switch device comprising:
The unlocking means includes a magnetism generating means capable of generating magnetism, and a protrusion that can be inserted into and locked in the hole shape of the shutter, and the locking means is a recess formed on the back surface of the shutter. A magnet that can be locked to the shutter to move and is repelled and moved by the magnetism of the magnetism generating means in the unlocking means to disengage the shutter and unlock the shutter. consists magnet lock having, and the shutter, the upper surface is a substantially flat plane Rutotomoni, said magnetism generating means to the locking means in a state in which the protrusion is locked and inserted into the hole shape unlocks become corresponding positions, the ignition, characterized in that the rotating operation from that state to the open position from the restricted position by rotating the unlocking means are capable Switch devices.   2. The ignition switch device according to claim 1, wherein a magnet in the magnet lock moves in a direction substantially parallel to a rotation axis of the rotor, and the shutter can be locked or unlocked. 3.   3. The ignition switch device according to claim 1, wherein sealing means for sealing the magnet and a moving range of the magnet is formed.

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