JP2008222001A - Steering lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a steering lock device capable of securely enhancing antitheft performance by a simple configuration. <P>SOLUTION: With a steering jacket 80 sandwiched between a case body 10 and a mounting cover 20, the steering lock device 1A is fixed to the steering jacket 80 with a fixation bolt 40. The steering lock device 1A is provided with a dropping prevention means 50 in which an engagement part 54 is engaged with an engagement part 43 when an engagement slider 51 is moved to the direction of a storage position by a sliding slant face 55, passes through the sliding slant face 55, and then, is moved to an engagement position by an energizing means 56 during the screwing of the fixation bolt 40. <P>COPYRIGHT: (C)2008,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.

  Patent Documents 1 and 2 disclose conventional steering lock devices of this type for the purpose of preventing theft of the vehicle by locking the steering shaft while the vehicle is parked. . As shown in FIGS. 10A and 10B, the steering lock device 101 of Patent Document 1 holds a steering column (not shown) between the main body portion 110 and the mounting cover 120, and sets the set bolt 140. After fixing the mounting cover 120 to the steering column (not shown) by pressing the mounting cover 120 in the direction of the main body portion 110, the head 148 of the set bolt 140 is broken to prevent the set bolt 140 from being removed. Yes. Further, the mounting cover 120 is formed of a metal plate, and a peripheral wall 122 is provided that surrounds the mounting seat 147 of the set bolt 140 with a reinforcing rib 123 formed around the mounting cover 120 and a projecting portion 124 facing the reinforcing rib 123.

  In the above configuration, the steering lock device 101 is attached to the vehicle and the head 148 of the set bolt 140 is broken. Therefore, the set bolt 140 cannot be loosened with a normal tool, and the anti-theft function It has a high configuration.

  In addition, against the act of loosening the set bolt 140 by hitting the periphery of the mounting seat 147 with a chisel or the like, the periphery of the mounting seat 147 is surrounded by the peripheral wall 122, so that the chisel is placed around the mounting seat 147. It has a structure that makes it difficult to apply and further enhances the anti-theft function.

As shown in FIG. 11, the steering lock device 201 of Patent Document 2 steers the case 210 with a bolt 290 that penetrates the case 210 and the yoke piece 230 and fixes the case 210 to the handle pipe 280. Then, by changing the width of the through-hole 231 opened in the yoke piece 230 between the lock position and the unlock position, the yoke piece 230 displaced to the lock position and the bolt 290 are engaged, and the bolt 290 is pulled out. It has a configuration that has improved anti-theft functions.
Real Fair 5-460 Gazette JP 63-41267 A

  However, in the steering lock device 101 of Patent Document 1, although the periphery of the mounting seat 147 of the set bolt 140 is covered by the peripheral wall 122, it is difficult to surround the entire periphery of the mounting seat 147 with the peripheral wall 122. Even if it was covered, it was possible to hit it with a chisel etc., so it could not be said that it had a sufficient anti-theft function.

  Further, in the steering lock device 201 of Patent Document 2, it is necessary to provide the through hole 231 in the yoke piece 230 that requires the most strength, and it is difficult to process the through hole 231 and sufficient strength is ensured. For this purpose, there is a problem that it is necessary to increase the size of the yoke piece 230.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a steering lock device having an attachment structure that can reliably enhance the anti-theft performance with a simple configuration.

  The invention according to claim 1, which achieves the above object, comprises a case body and a mounting cover, and the mounting cover is secured by a fixing bolt in a state where a steering jacket containing a steering shaft is sandwiched between the case body and the mounting cover. A steering lock device that is fixed to the steering jacket by being fixed to the main body case, and includes a locking portion formed of a stepped portion with a small diameter portion formed on a shaft portion of the fixing bolt, and the case main body. A slide hole formed to be orthogonal to the fixing bolt, an engagement slider that is slidably disposed in the slide hole, and has an engagement portion at an end facing the fixing bolt, and the engagement portion. An urging means for urging and holding toward the fixing bolt side, and a fixing bolt on at least one of the locking portion and the engaging portion A sliding slope formed obliquely with respect to the intrusion direction, and when the fixing bolt is screwed in, the engagement slider slides toward the accommodation position by the sliding slope, and the bias is applied when it passes through the sliding slope. The engagement slider moves to the engagement position by the means, and a drop prevention means for engaging the engagement portion and the locking portion is provided.

  According to a second aspect of the present invention, in the steering lock device according to the first aspect, the locking portion includes a screw portion provided on the distal end side in the insertion direction of the fixing bolt and an attachment provided on the rear end side in the insertion direction. It is characterized in that it is formed on the shaft portion located between the seat.

  According to a third aspect of the present invention, in the steering lock device according to the first or second aspect, the steering lock device is disposed at a rear end of the mounting seat, and receives a tightening torque by a tool when the fixing bolt is screwed. It is fixed to the steering jacket by the fixing bolt provided with a tightening portion configured to be broken from a connecting portion with the mounting seat when a tightening torque of a predetermined value or more is applied. To do.

  According to a fourth aspect of the present invention, in the steering lock device according to any one of the first to third aspects, the opening of the slide hole is covered by the mounting cover while being fixed to the steering jacket. It is characterized by that.

  According to a fifth aspect of the present invention, in the steering lock device according to any one of the first to fourth aspects, the opening of the slide hole is blocked by the steering jacket in a state of being fixed to the steering jacket. It is characterized by that.

  According to a sixth aspect of the present invention, in the steering lock device according to any one of the first to fifth aspects, the lock rod receiving hole in which the lock rod is slidably disposed on the central axis of the case body. An upper bolt hole that is positioned on the upper outer peripheral surface of the case body facing the upper side of the vehicle in a state where the case body is assembled to the steering jacket and orthogonal to the lock rod receiving hole, and the steering jacket. With the case main body assembled, side bolt holes parallel to the lock rod receiving hole are formed on the side outer peripheral surface facing the vehicle left-right direction while being positioned below the steering jacket of the case main body. And the case abutting on the outer peripheral surface of the steering jacket in a state where the case body is assembled to the steering jacket. Open the jacket abutment surface of the scan body, said communication being perpendicular to the upper bolt hole, characterized in that a slide hole parallel to said side bolt holes.

  According to the first aspect of the present invention, even if the fixing bolt is loosened, the engagement slider engages with the locking portion of the fixing bolt and the fixing bolt cannot be loosened. Can be improved.

  According to the invention of claim 2, in addition to the effect of the invention of claim 1, the drop-off preventing means can be disposed in the vicinity of the outer peripheral surface of the main body case. Means can be installed.

  According to the invention of claim 3, in addition to the effects of the inventions of claims 1 and 2, the anti-theft function can be further improved because the tool used for tightening cannot be used even if the fixing bolt is loosened. Can do.

  According to the invention of claim 4, in addition to the effects of the inventions of claims 1 to 3, the opening is covered by the mounting cover, and the presence or absence of the drop-off prevention means cannot be determined from the appearance, and the drop-off prevention means is attached. Since it is protected by the cover, it is difficult to destroy and the anti-theft function can be improved.

  According to the invention of claim 5, in addition to the effects of the inventions of claims 1 to 4, the opening is blocked by the steering jacket, the presence or absence of the drop-off prevention means cannot be determined from the appearance, and the drop-off prevention means Since it is protected by the steering jacket, it is difficult to destroy and the anti-theft function can be improved.

  According to the invention of claim 6, in addition to the effects of the inventions of claims 1 to 5, it is possible to form the outer shape of the case body so that the case body does not protrude from the upper edge of the steering jacket. The degree of freedom of assembly to the vehicle body can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 7 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view of a main part showing a steering lock device, FIG. 2 is a cross-sectional view of a main part showing a state where the steering lock device is assembled, FIG. 2 is an enlarged cross-sectional view of the main part of FIG. 2 enlarged, FIG. 4 is a cross-sectional view showing a state where the fixing bolt is screwed, a state diagram before screwing, and FIG. 5 is a cross-sectional view showing a state where the fixing bolt is screwed FIG. 6 is a state diagram immediately after the start of screwing, FIG. 6 is a cross-sectional view showing a state in which the fixing bolt is screwed, a state diagram in which the engagement slider is sliding, and FIG. 7 is a cross-sectional view showing a state in which the fixing bolt is screwed. FIG.

  As shown in FIGS. 1 to 3, the steering lock device 1 </ b> A includes a case body 10 and a mounting cover 20 and is fixed to a steering jacket 80.

  The steering jacket 80 has a cylindrical shape and supports a steering shaft 81 in a rotatable manner. The steering jacket 80 is provided with a rectangular locking hole 82 through which the steering shaft 81 can be engaged from the outside.

  A lock rod housing hole 11 is provided on the central axis of the case main body 10, and the lock rod 30 is slidably disposed between the engagement position and the housing position in the lock rod housing hole 11. At the engagement position, the lock rod 30 protrudes from the case body 10, and the rod engagement portion 31 formed at the tip portion of the lock rod 30 engages with the steering shaft 81, thereby preventing the steering shaft 81 from rotating. In the storage position, the lock rod 30 is stored in the case body 10 and does not engage with the steering shaft 81, and the steering shaft 81 rotates freely.

  In addition, an engagement protrusion 12 having a rectangular protrusion shape is formed on the peripheral edge of the lock rod housing hole 11 of the case body 10. Since the case main body 10 is fixed to the steering jacket 80 in a state where the engaging protrusion 12 is fitted in the locking hole 82 of the steering jacket 80, the position where the case main body 10 is attached even if an excessive force is applied. There will be no deviation.

  Two bolt holes 13 into which the fixing bolt 40 is screwed are provided in the case body 10. The side bolt hole 13a, which is one of the bolt holes, is located below the steering jacket 80 and is provided on the side outer peripheral surface 10a facing the vehicle left-right direction so as to be parallel to the lock rod receiving hole 11. ing. The upper bolt hole 13b, which is the other bolt hole, is located on the upper outer peripheral surface 10b facing the upper side of the vehicle in a state where the case body 10 is assembled to the steering jacket 80, and is orthogonal to the lock rod housing hole 11. It is provided to do.

  Since a large number of devices such as an instrument panel (not shown) are arranged above the steering jacket 80 in the passenger compartment, the case body 10 has an outer shape that does not protrude from the upper edge of the steering jacket 80. Is required. However, when the fixing bolts 40 are arranged so as to fasten the two fixing bolts 40 from the same direction so as to sandwich the steering jacket 80 as in the conventional example of Patent Document 1 shown in FIG. The part where the bolt 40 is fastened protrudes greatly above the upper edge of the steering jacket 80, and the outer shape does not satisfy the requirements.

  The slide hole 14 is opened to the arcuate jacket contact surface 10c of the case body 10 that contacts the outer peripheral surface 83 of the steering jacket 80 in a state assembled to the steering jacket 80, and communicates with the upper bolt hole 13b while being orthogonal thereto. However, it is formed so as to be parallel to the side bolt holes 13a. The slide hole 14 has a stepped shape with a wide opening 14a side, a portion penetrating the upper bolt hole 13b, and a narrow bottom portion 14b. The engagement slider 51 and the winding spring 56 as the urging means are inserted into the slide hole 14 in this order, and the slide cover 14 is urged by the closing lid 57 in a state where the engagement slider 51 is urged to an engagement position described later. Is blocked.

  The engagement slider 51 is formed in a substantially L-shaped cross section including a short side portion 52 and a long side portion 53. An engaging claw 54 as an engaging portion is formed at the distal end portion of the short side portion 52, and is formed obliquely with respect to the direction in which the fixing bolt 40 is screwed on the upper end side of the engaging claw 54. A sliding slope 55 is formed. A pressure receiving portion 53 a that receives the urging force of the winding spring 56 is formed on the back side of the long side portion 53.

  The closing lid 57 is fitted against the urging reaction force of the winding spring 56 so as not to protrude from the opening 14 a of the slide hole 14. Even if the closing lid 57 is likely to come off when the case body 10 is assembled to the steering jacket 80, the opening 14a of the slide hole 14 is blocked by the outer peripheral surface 83 of the steering jacket 80. 57 will not fall off.

  The attachment cover 20 is formed in a substantially bowl shape having an arc portion. Further, the insertion holes 21 through which the fixing bolts 40 are inserted pass through the both ends of the mounting cover 20. The insertion holes 21 are formed so as to form an angle of 90 degrees with each other. A peripheral wall 22 is formed on the periphery of the insertion hole 21 so as to surround the mounting seat 47 of the fixing bolt 40 in a state where the fixing bolt 40 is assembled.

  The shape of the fixing bolt 40 is different between the side bolt 40a assembled to the side bolt hole 13a and the upper bolt 40b assembled to the upper bolt hole 13b. The upper bolt 40b includes a shaft portion 41b and a head portion 46. The shaft portion 41b includes a screw portion 42 on the distal end side in the insertion direction, and a locking portion 43 positioned between the screw portion 42 and the head portion 46. Is formed. The locking portion 43 is composed of a stepped portion of a round bar portion 44 having a diameter larger than that of the screw portion 42 and a small diameter portion 45 having a diameter smaller than that of the round bar portion 44.

  The head portion 46 is located on the rear end side in the insertion direction of the shaft portion 41 b and includes a mounting seat 47 and a tightening portion 48. The mounting seat 47 sandwiches the mounting cover 20 between the case body 10 and the case body 10 when the fixing bolt 40 is fastened to the case body 10. The tightening portion 48 is disposed at the rear end portion of the mounting seat 47, receives a tightening torque by a tool when the fixing bolt 40 is screwed, and receives a tightening torque of a predetermined value or more when the tightening torque is applied. 47 is formed so as to break from the connecting portion with 47.

  The side bolt 40a does not have the round bar portion 44 formed on the upper bolt 40b, all the shaft portions 41a are screw portions, and the head portion 46 has the same shape as the upper bolt 40b.

  The drop-off preventing means 50 includes an engaging claw 54 of the engaging slider 51 and a locking portion 43 of the fixing bolt 40. When the fixing bolt 40 is assembled, the engaging claw 54 and the locking portion 43 are engaged. It is the composition which matches. Then, the locking bolt 40 is prevented from falling off due to the engagement claw 54 and the locking portion 43 engaging with each other.

  Next, the assembly procedure will be described. First, when assembling the steering lock device 1 </ b> A, the engagement slider 51 and the winding spring 56 are inserted into the slide hole 14, and the opening 14 a of the slide hole 14 is closed with the closing lid 57.

  When the steering lock device 1 </ b> A is assembled to the vehicle, the jacket contact surface 10 c of the case body 10 is fitted to the steering jacket 80 while the engaging protrusion 12 of the case body 10 is fitted into the locking hole 82 of the steering jacket 80. Are closely attached to the outer peripheral surface 83. The mounting cover 20 is disposed from the opposite side surface of the steering jacket 80, the insertion holes 21 are overlaid on the upper bolt holes 13b and the side bolt holes 13a, and the upper bolt 40b and the side bolt 40a are screwed together. Here, a tightening torque of a predetermined value or more is applied to the tightening portion 48 to break the tightening portion 48. Further, when the upper bolt 40b assembled in the upper bolt hole 13b is screwed, the lower end portion of the round bar portion 44 comes into contact with the sliding inclined surface 55 of the engaging claw 54, and the urging force of the winding spring 56 is reached. The engagement slider 51 is slid in the disengagement direction against the reaction force. When the upper bolt 40 b is further screwed in, the engaging claw 54 gets over the lower end portion of the round bar portion 44, fits into the small diameter portion 45, and engages with the locking portion 43. And since the engagement nail | claw 54 and the latching | locking part 43 engage, even if it reverse-rotates the upper volt | bolt 40b, it cannot be extracted.

  With the above configuration, in the steering lock device 1A of the present embodiment, even if the fixing bolt 40 is to be loosened, the engagement slider 51 is engaged with the locking portion 43 of the fixing bolt 40, and the fixing bolt 40 cannot be loosened. Therefore, the anti-theft function can be reliably improved with a simple configuration.

  Moreover, since the drop prevention means 50 can be disposed in the vicinity of the outer peripheral surface of the case body 10, the drop prevention means 50 can be installed without affecting the internal structure of the case body 10.

  Even if the fixing bolt 40 is loosened, the tool used for tightening cannot be used, so that the antitheft function can be further improved.

  Since the opening 14a is blocked by the steering jacket 80 and is also covered by the mounting cover 20, the presence or absence of the drop-off prevention means 50 cannot be determined from the appearance, and the drop-off prevention means 50 is connected to the steering jacket 80 and the mounting cover 20. Therefore, it is difficult to destroy and the anti-theft function can be improved.

  Since the outer shape of the case body 10 can be formed so that the case body 10 does not protrude from the upper edge of the steering jacket 80, the degree of freedom of assembly to the vehicle body can be improved.

  In this embodiment, a sliding slope 55 formed obliquely with respect to the direction in which the fixing bolt 40 is screwed is formed on the top surface of the front end of the engaging claw 54. The same effect can be obtained by forming the lower end portion of the round bar portion 44 of the fixing bolt 40 obliquely with respect to the direction in which the fixing bolt 40 is screwed, and as a sliding slope.

  Further, in the present embodiment, the configuration in which the electric steering lock device is provided with the drop-off prevention means 50 has been described. However, the mechanical steering lock device in which the occupant inserts the portable key into the cylinder lock and operates the drop-off prevention means. Even if 50 is provided, the same effect can be obtained.

  8 and 9 show a second embodiment of the present invention, FIG. 8 is an exploded perspective view of a main part showing a steering lock device, and FIG. 9 is an enlarged sectional view of a main part showing a state where the steering lock device is assembled. .

  The steering lock device 1B according to the second embodiment is the same as the steering lock device 1A according to the first embodiment except for the drop-off prevention means 60, as compared with the steering lock device 1A according to the first embodiment. The same components as those in the first embodiment are denoted by the same reference numerals in the drawings, and the description thereof is omitted.

  That is, as shown in FIGS. 8 and 9, the drop-off prevention means 60 of the present embodiment includes the engagement slider 61, the closing lid 67, the upper bolt 40 b, the slide hole 15, and the upper bolt hole 13 b. Has been. The upper bolt hole 13b and the upper bolt 40b are the same as those in the first embodiment.

  In the engagement slider 61, a plate-like slide portion 62 and a V-shaped spring portion 63 are integrally formed. The slide portion 62 has a shaft hole 41b through which the shaft 41b of the upper bolt 40b can be inserted, and an upper bolt formed at the end of the long hole 64 on the spring portion 63 side. An engaging portion 66 that can engage with the locking portion 43 of 40b is provided. Further, a sliding slope 65 formed obliquely with respect to the direction in which the fixing bolt 40 is screwed is formed on the upper surface side of the distal end edge of the engaging portion 66. The spring part 63 is made of an elastic material, and generates an urging force by elastically deforming the V-shaped part.

  The closing lid 67 has a shape that matches the opening 15 a of the slide hole 15, is fitted into the opening 15 a, and closes the slide hole 15.

  The slide hole 15 is located on the arcuate jacket contact surface 10c of the case body 10 that contacts the outer peripheral surface 83 of the steering jacket 80 in the same position as in the first embodiment, that is, in a state assembled to the steering jacket 80. It opens, communicates with the upper bolt hole 13b at right angles, and is formed to be parallel to the side bolt hole 13a. However, in the first embodiment, the upper bolt hole 13b communicates with the first embodiment, but the slide hole 15 of the present embodiment is formed so as to penetrate the upper bolt hole 13b.

  The assembly procedure is different in that when the steering lock device 1B is assembled, the engagement slider 61 is inserted into the slide hole 15 and the opening 15a of the slide hole 15 is closed by the closing lid 67. The procedure for assembling to is the same as in the first embodiment.

  With the above configuration, in the steering lock device 1B of the present embodiment, even if the fixing bolt 40 is to be loosened, the engagement slider 61 engages with the locking portion 43 of the fixing bolt 40, and the fixing bolt 40 cannot be loosened. Therefore, the anti-theft function can be reliably improved with a simple configuration.

  Further, since the drop-off preventing means 60 can be disposed in the vicinity of the outer peripheral surface of the case body 10, the drop-out preventing means 60 can be installed without affecting the internal structure of the case body 10.

  Even if the fixing bolt 40 is loosened, the tool used for tightening cannot be used, so that the antitheft function can be further improved.

  Since the opening 15a is blocked by the steering jacket 80 and is also covered by the mounting cover 20, the presence or absence of the drop-off prevention means 60 cannot be determined from the appearance, and the drop-off prevention means 60 is connected to the steering jacket 80 and the mounting cover 20. Therefore, it is difficult to destroy and the anti-theft function can be improved.

  Since the outer shape of the case body 10 can be formed so that the case body 10 does not protrude from the upper edge of the steering jacket 80, the degree of freedom of assembly to the vehicle body can be improved.

  In the present embodiment, the sliding slope 65 formed obliquely with respect to the direction in which the fixing bolt 40 is screwed is formed on the upper surface side of the distal end edge of the engaging portion 66 of the long hole 64. The same effect can be obtained by forming the lower end portion of the round bar portion 44 of the fixing bolt 40 obliquely with respect to the direction in which the fixing bolt 40 is screwed, instead of the engaging portion 66, and as a sliding slope.

  Further, in the present embodiment, the configuration in which the electric steering lock device is provided with the drop-off prevention means 60 has been described. However, the mechanical steering lock device in which the occupant inserts the portable key into the cylinder lock and operates the drop-off prevention means. Even if 60 is provided, the same effect can be obtained.

It is a principal part disassembled perspective view which shows the steering lock apparatus of 1st Embodiment. It is principal part sectional drawing which shows the state which assembled | attached the steering lock apparatus of 1st Embodiment. It is the principal part expanded sectional view which expanded the A section of FIG. It is sectional drawing which shows a mode that a fixing bolt is screwed together, and is a state figure before screwing. It is sectional drawing which shows a mode that a fixing bolt is screwed together, and is a state figure immediately after screwing start. It is sectional drawing which shows a mode that a fixing bolt is screwed together, It is a state figure which the engagement slider is sliding. It is sectional drawing which shows a mode that a fixing bolt is screwed together, It is a state figure of screwing completion. It is a principal part disassembled perspective view which shows the steering lock apparatus of 2nd Embodiment. It is a principal part expanded sectional view which shows the state which assembled | attached the steering lock apparatus of 2nd Embodiment. The steering lock apparatus of patent document 1 is shown, (a) is a principal part expanded sectional view which shows the mode of a set bolt and the cover for attachment, (b) is principal part sectional drawing which shows the mode of the whole apparatus. It is principal part sectional drawing which shows the mode of the whole apparatus of the steering lock apparatus of patent document 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1A, 1B ... Steering lock device 10 ... Case main body 10a ... Upper outer peripheral surface 10b ... Side outer peripheral surface 10c ... Jacket contact surface 11 ... Lock rod accommodation hole 13a ... Side bolt hole 13b ... Upper bolt hole 14, 15 ... Slide Holes 14a, 15a ... Opening 20 ... Mounting cover 30 ... Lock rod 40 ... Fixing bolt 41b ... Shaft part 42 ... Screw part 43 ... Locking part 45 ... Small diameter part 47 ... Mounting seat 48 ... Fastening part 50, 60 ... Drop off Preventing means 51, 61 ... engaging slider 54 ... engaging claw (engaging portion)
55, 65 ... sliding slope 56, 63 ... urging means 66 ... engaging portion 80 ... steering jacket 83 ... outer peripheral surface

Claims (6)

A steering jacket comprising a case main body and a mounting cover, wherein a steering jacket containing a steering shaft is sandwiched between the case main body and the mounting cover, and the mounting cover is fixed to the main body case with a fixing bolt, thereby A steering lock device fixed to
A locking portion consisting of a step portion with a small diameter portion formed on the shaft portion of the fixing bolt,
A slide hole formed in the case body so as to be orthogonal to the fixing bolt;
An engagement slider that is slidably disposed in the slide hole and has an engagement portion at an end facing the fixing bolt;
Biasing means for biasing and holding the engaging portion toward the fixing bolt;
A sliding slope formed obliquely with respect to a direction in which a fixing bolt is screwed into at least one of the locking portion and the engaging portion;
When the fixing bolt is screwed, the engagement slider slides toward the accommodation position by the sliding slope, and after passing through the sliding slope, the engagement slider moves to the engagement position by the urging means, and engages with the engagement portion. A steering lock device comprising drop-off prevention means that engages with a stop portion. The steering lock device according to claim 1, wherein
The locking portion is formed in the shaft portion located between a screw portion provided on the front end side in the insertion direction of the fixing bolt and a mounting seat provided on the rear end side in the insertion direction. Steering lock device. In the steering lock device according to claim 1 or 2,
It is arranged at the rear end of the mounting seat, receives a tightening torque by a tool when screwing the fixing bolt, and breaks from the connecting portion with the mounting seat when a tightening torque of a predetermined value or more is applied. A steering lock device, wherein the steering lock device is fixed to the steering jacket by the fixing bolt provided with a tightening portion configured to do so. In the steering lock device according to any one of claims 1 to 3,
A steering lock device, wherein an opening of the slide hole is covered by the mounting cover in a state of being fixed to the steering jacket. In the steering lock device according to any one of claims 1 to 4,
A steering lock device, wherein an opening of the slide hole is closed by the steering jacket in a state of being fixed to the steering jacket. In the steering lock device according to any one of claims 1 to 5,
A lock rod receiving hole in which the lock rod is slidably disposed on the central axis of the case body,
With the case body assembled to the steering jacket, an upper bolt hole located on the upper outer peripheral surface facing the vehicle upper side of the case body and orthogonal to the lock rod housing hole;
In a state where the case main body is assembled to the steering jacket, a side parallel to the lock rod receiving hole is disposed on a lateral outer peripheral surface facing the vehicle left-right direction while being positioned below the steering jacket of the case main body. Part bolt hole,
With the case body assembled to the steering jacket, the side body bolt opens to the jacket contact surface of the case body that contacts the outer peripheral surface of the steering jacket and communicates perpendicularly to the upper bolt hole. A steering lock device characterized in that a slide hole is provided in parallel with the hole.

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