JP3045538U - Wheel lock device - Google Patents

Abstract

(57) [Problem] To provide a wheel lock device that is easy and easy to open and close a lock, has dustproof and waterproof functions, and is safe in use. SOLUTION: Upper and lower sandwiching plates 31, 32 are provided in a casing 2.
A lock groove 3 is formed in the lock seat, and a bar means 51 movably controlled by the operating means 7 is mounted in the lock groove. The lock seat is provided with a lock hole 322 and a plug hole 351 in the lock seat.
3, a lock hole 512 and an unlock hole 515 corresponding to a lock hole are provided on the bottom surface of the bar means, and a sealing ring 34 for covering the bar means is attached to the open end 332 of the accommodation groove.
When the operating means is operated, the bar means is interlocked and enters between the spokes of the wheel 90 to be in a locked state, and when the plug is rotated by the key 64, the advanced end of the bar means is automatically retracted into the casing. To release the locked state.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a wheel lock device, and more particularly, to a wheel lock device that is easy and easy to handle, and that can be dustproof and waterproof.

[0002]

[Prior art]

 FIG. 8 shows a wheel lock device of a conventional motorcycle. As shown in the drawing, the wheel lock device 1 includes an arcuately curved casing 11, a lock seat 12 and a sliding board 13 which are provided inside the casing 11 so as to be vertically overlapped.

A bracket 15 is fixed to an upper surface of the casing 11 by a plurality of rivets 14. A plurality of tumbler pins 16 are arranged between the lock seat 12 and the sliding board 13 which are in contact with each other. The lock seat 12 has an arcuate shape similar to the casing 11, and the same number and arrangement of first pin hole sets 121 and second pin hole sets 122 are formed on the upper surface of the seat body at predetermined intervals. doing. In each of these pin holes, a tumbler pin 16 which can be elastically advanced and retracted is mounted so as to protrude. The sliding board 13 is provided to be able to advance and retreat from one end of the casing 11. A concave portion 131 into which the key board 17 can be inserted laterally is formed on the upper surface side of a portion vertically facing the first pin hole set 121 when completely retracted into the casing 11. . The concave portion 131 is provided with a plurality of third pin hole sets 132 vertically corresponding to the first pin hole set 121 or the second pin hole set 122. Further, in order to easily control the sliding board 13 to advance and retreat, an operating means 18 is fixed to a rear end of the sliding board 13 which does not advance from the casing 11. The operating means 18 has its operating end 181 projecting from a slide groove 111 provided in advance on the outer peripheral surface of the casing 11. The bracket 15 is provided with solid contact holes 151 on a pair of plate pieces extending vertically upward from both side surfaces.

FIG. 9 shows a use state of the conventional wheel lock device 1. When the wheel lock device 1 is mounted, the wheel shaft 101 of the wheel 10 of the motorcycle is passed through both the fixed contact holes 151 of the bracket 15 as shown. Further, the whole wheel lock device 1 is fixed to the side of the wheel 10 by tightening the nut 102 to the wheel shaft 101.

When the sliding board 13 is retracted into the casing 11, the wheels 10 of the motorcycle can freely rotate without being blocked by any members of the wheel lock device 1.

On the other hand, when the sliding board 13 is advanced and the wheels 10 are locked (locked) by the wheel lock device 1, the key plate 17 is inserted into the concave portion 131 of the sliding board 13 and The tumbler pin 16 whose tip projects from the third pin hole set 132 is pressed downward by the provided concave hole. In addition, the operating end 181 of the operating means 18 is pushed along the sliding groove 111, and the sliding board 13 is driven to rotate. When the third pin hole set 132 of the sliding board 13 corresponds to the second pin hole set 122 of the lock seat 12 in the up-down direction, the tip of the sliding board 13 that has advanced from the casing 11 Already in between spokes. At this time, when the key plate 17 is pulled out, the tumbler pin 16 attached to the second pin hole set 122 projects and locks by projecting the tip from the third pin hole set 132 by elasticity. The wheels 10 of the motorcycle can be locked by the wheel lock device 1.

When unlocking the wheel lock device 1, the key board 17 is inserted into the concave portion 131 of the sliding board 13, and the sliding board 13 is retracted from between the spokes of the wheel 10 by the operating means 18. Then, the concave portion 131 and the first pin hole set 121 are made to correspond up and down. When the key plate 17 is removed, the tumbler pins 16 of the first pin hole set 121 enter and lock the third pin hole set 132, and the wheel lock device 1 is maintained in a completely released state. be able to.

[0008]

[Problems to be solved by the invention]

 This kind of wheel lock device 1 has an inconvenient drawback in terms of storage in design. That is, as described above, the locking operation is performed by first inserting the key plate 17 into the concave portion 131 of the sliding board 13 and then pressing and moving the sliding board 13 by the operating means 18, which is inconvenient. It is. In addition, since no dust-proof means is provided, dust easily adheres to internal components, and the movement of each member becomes slow due to accumulation of dust over a long period of time. In particular, the sliding board 13 which always advances to the outside of the casing 11 repeats the operation of advancing between the spokes of the wheels 10 in use, so that dust and dirty water attached to the wheel spokes easily adhere to the sliding board 13, Furthermore, since the sliding board 13 enters into the casing 11 together with the evacuation when the evacuation of the sliding board 13 is performed, the member becomes dirty and the movement thereof is deteriorated.

The present invention has been made in view of the problems in the above-described conventional wheel lock device, and is simple and easy to open and close the lock, has a dustproof and waterproof function, and is safe in use. The purpose is to provide.

[0010]

[Means for Solving the Problems]

 In order to achieve the above object, the wheel lock device of the present invention comprises upper and lower sandwich plates parallel to each other and side plates connecting the upper and lower sandwich plates along the outer peripheral edge, and slides along the longitudinal direction on the side plates. A casing provided with a groove, and an upper and lower sandwiching plate disposed between the upper and lower sandwiching plates and in contact with each other while being vertically overlapped with each other. The other end forms an arc-shaped curved accommodation groove forming an open end, and a lock hole is formed at substantially the center from both ends of the accommodation groove on the lower clamping plate side, and the lock of the lower clamping plate is performed. A cylinder portion is projected downward on the bottom surface of the same portion as the hole, a horizontal plug hole communicating with the lock hole is provided in the cylinder portion, and the sliding groove is formed on the upper clamping plate from one end to the other end. Locking seat with corresponding notched edges and sliding movement A lock hole is provided inside the accommodation groove, and one end of the spring means is always hooked on the other end of the spring means locked to the sealed end of the accommodation groove, and a lock hole corresponding to the lock hole is formed on the bottom surface of the end. And a lock pin that is provided in the lock hole and is elastically urged upward by a spring, and a plug that is inserted into the plug hole and moves the lock pin downward with a key. An operating means slidably movable in the sliding groove of the casing, which can be fixedly interlocked with the bar means by at least one screwing member, and which is attached to a wheel shaft of the motorcycle, and is connected to the casing by a plurality of rivets. A bracket integrally fixed to the lock seat, wherein when the operating means is slid, the bar means is interlocked against the tensile elasticity of the spring means. When the lock pin moves out of the casing and is locked by locking the lock pin into the lock hole of the bar means, and when the plug is rotated by a key, the lock pin moves downward and the spring means simultaneously. Due to the tensile elasticity, the bar means is retracted into the casing to release the locked state.

In the wheel lock device, the operating means is provided with a convex seat, and the lock seat is formed with a recessed hole which can be fitted to the convex seat, and the convex seat is released when the locked state is released. It is preferable to fit and lock in the recessed hole. Also, a conical unlocking hole is formed in the bottom of the center of the bar means, and when the bar means is pulled by the spring means and retracted into the accommodation groove, the lock pin is inserted into the unlock hole. It is preferable to enter and lock. Further, it is preferable that a locking groove orthogonal to the housing groove is provided near the opening end of the housing groove, and a sealing ring for covering the advancing end of the bar means is mounted on the locking groove. Furthermore, it is preferable that a dust-proof strip is provided between the inner surface of the side plate and the side edge of the lock seat, and the dust-proof strip is provided with a gap corresponding to the sliding groove of the casing.

[0012] The wheel lock device of the present invention configured as described above is mounted on the wheel side of the motorcycle, and when not locked yet, the bar means is inserted into the receiving groove by the pulling action of the spring means. The unlocking hole of the bar means corresponds to the upper and lower sides of the lock hole, and the lock pin of the lock hole enters and locks the unlocking hole by the upward elastic bias of the spring. The operating means interlocking with the bar means moves upward together with the bar means by the elasticity of the spring, and the convex seat of the operating means engages with the recessed hole of the upper clamping plate. Such double localization prevents the above-mentioned bar means from inadvertently advancing from the running vibration of the motorcycle. At the same time, the projecting end of the bar means is positioned within the opening end of the accommodation groove and is covered by the sealing ring, so that ash dust and sewage in the atmosphere enter the casing from the opening end of the lock seat. Can not. In addition, a dust-proof strip is provided in the sliding groove in which the operating means slides, and a cover plate is also provided on the plug, so that ash dust and sewage can enter the wheel lock device from the above-described positions. As a result, each member can be prevented from being contaminated with ash dust and the like.

When locking, the operating means is pressed slightly downward, and the lock pin is pushed down by the bar means. Further, the convex seat is detached from the recessed hole, the operating means is moved against the spring means, and the bar means is interlocked and slid to the opening end of the lock seat to lock the locking hole. When the lock pin corresponds to the up and down direction, the lock pin moves upward by the upward pressing force by the spring, the head of the lock pin enters and closes the lock hole, and the advance end of the bar means Can be positioned between the spokes of the wheel to lock the wheel non-rotatably.

When the lock state is released, the lock pin can be interlocked and moved downward against the elasticity of the spring by inserting the key and rotating the plug. The protruding end of the bar means that has advanced to the above position is automatically retracted into the accommodation facility by the tensile elastic force of the spring means, and the lock can be released.

[0015]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to only the following embodiments. As shown in FIGS. 1 and 2, the wheel lock device according to the first embodiment of the present invention is attached to a side of a wheel 90 of a motorcycle. The wheel 90 is pivotally mounted on a fork end of a motor cycle, and the fork end has a wheel shaft 91 on which the wheel lock device is mounted. At both ends of the wheel axle 91, shock absorbers are provided, and a plurality of spokes (not shown) are radially arranged around the axle.

The wheel lock device includes a casing 2, a lock seat 3, a dust-proof strip 4, a bar 51, a lock pin 62, a plug 63, an operating means 7, and a bracket 8.

The casing 2 is integrally molded from a plastic material, and has an arc-shaped curved upper sandwiching plate 21 having a pair of rivet holes 211 perforated at a predetermined interval, and a similar arc parallel to the upper sandwiching plate 21. A lower clamping plate 23 having a curved shape and a curved side plate 22 connecting the upper and lower clamping plates 21 and 23 are provided. A slide groove 221 is provided on the side surface of the side plate 22 that protrudes in an arc shape along the longitudinal direction, and a plurality of insertion pins 222 protrude from the inner surface thereof. The upper and lower sandwich plates 21 and 23 cooperate with the side plates 22 to form a storage space therein.

The casing 2 is provided with a hollow protruding portion 24 that is continuous with the side surface of the side plate 22 that protrudes in an arc shape and that extends downward from the bottom surface of the central portion of the lower sandwich plate 23. . The projecting portion 24 is provided with a pivotal contact hole 241, an insertion hole 242, and a through hole 243 which are linearly arranged in a line from top to bottom. A cover plate 25 is provided in the insertion hole 242, and an engaging pin 251 is projected from an upper end portion of the cover plate 25 on the back side in contact with the protruding portion 24. Is provided with a ring groove 252. Then, the engaging pin 251 is inserted through the pivotal contact hole 241, and the hook 253 is engaged with the ring groove 252 of the engaging pin 251 protruding from the inner surface of the projection 24. The lid 25 can rotate left and right around the engagement pin 251 to close or open the insertion hole 242. At the lower end of the lid 25, a recessed hole 255 corresponding to the through hole 243 is formed.

The lock seat 3 has substantially the same arc-shaped curved shape as the upper and lower sandwiching plates 21 and 23 and includes upper and lower sandwiching plates 31 and 32 which are vertically overlapped. The upper and lower sandwiching plates 31 and 32 are formed of a metal material, and when they are in contact with each other up and down, have an arcuate curved shape with one end forming a closed end 331 and the other end forming an open end 332. The receiving groove 38 is formed. A locking groove 321 orthogonal to the storage groove 38 is provided in the opening end 332 of the storage groove 38, and the sealing ring 34 is mounted on the locking groove 321.

A lock hole 322 is formed in the lower holding plate 32 at a position corresponding to the center of the accommodation groove 33, and a lower recess 323 is formed on the closed end 331 side in a direction orthogonal to the accommodation groove 33. It is formed. A pair of through holes 324 are provided at predetermined intervals between the lock hole 322 and the lower recess 323 at the bottom of the accommodation groove 33, and a plurality of rivet holes 325 are formed on both side edges of the lower holding plate 32. , And a pair of fixed columns 326 protrude at a predetermined interval. A cylinder 35 corresponding to the projection 24 of the casing 2 is provided on the bottom surface of the center of the lower holding plate 32 so as to extend downward, and the cylinder 35 is orthogonal to the lock hole 322. A horizontal plug hole 351 is provided for communication.

The upper clamping plate 31 is provided with a notch edge portion 36 having a predetermined length by notching a bottom surface on one side corresponding to the sliding groove 221 of the casing 2. In addition, a downward concave hole 311 is formed in the bottom surface corresponding to the fixing column 326 of the lower holding plate 32, and a rivet hole 312 is formed corresponding to the rivet hole 325 of the lower holding plate 32. doing. Then, with the rivet holes 325 and 312 corresponding to the upper and lower portions corresponding to the rivet holes 211 of the casing 2, a concave hole 313 that opens downward is provided on the bottom surface of the upper holding plate 31. A corresponding downward upward recess 314 is formed.

The dust-proof strip 4 is a flexible elongated body interposed between the side edges of the upper and lower sandwiching plates 31 and 32 and the side plate 22 of the casing 2 which overlap each other. A gap 41 corresponding to the cut edge 36 of the lock seat 3 is provided on the body. Further, in order to prevent the elongated body from moving and displacing, a plurality of insertion holes 42 into which the insertion pins 222 are inserted and fixed are formed.

The bar means 51 has an arc-shaped flat plate shape, is slidably mounted in the accommodation groove 33 of the lock seat 3, and a spring means 52 for constantly pulling the bar means 51 and the upper and lower concave parts 314, 323. And a fixed block 53 that is mounted and locked over the gap. The bar means 51 has a length shorter than that of the accommodation groove 33, and has an upward concave surface 511 at an end corresponding to the closed end 331 of the accommodation groove 3, and is opened downward at the bottom surface of the concave surface 511. A lock hole 512 is provided. On both sides of the lock hole 512, solid contact holes 513 corresponding to the pair of through-holes 324 and above and below respectively are formed. Further, a hook hole 514 is provided at an edge of the concave surface 511. Further, a conical unlocking hole 515 is formed in the bottom surface of the center part of the bar means 51, which corresponds to the lock hole 322 of the lower clamping plate 32, and whose peripheral wall surface has a predetermined inclination and which has a tapered rear side. Has been established.

The spring means 52 has a pair of hooked ends 521 and 522, one of the hooked ends 521 is fixedly hooked to the hook hole 514 of the bar means 51, and the other hooked end 522 is fixed. Hook into both hook holes 531 of 53.

The lock pin 62 is provided in the cylinder portion 35 of the lower holding plate 32 through the lock hole 322. When the bar means 51 is not in the locked state, the bottom of the lock pin 62 is elastically pressed upward so that the head of the lock pin 62 is placed in the unlocking hole 515 on the bottom surface of the bar means 51. The spring 61 is positioned and biased. The body of the lock pin 62 has a cutout recess 621 toward the plug 63 inserted into the plug hole 351.

The plug 63 is inserted into a plug hole 351 in the cylinder portion 35 of the lower holding plate 32 of the lock seat 3. A control projection 631 that fits into the notch recess 621 is formed at the tip inserted into the plug hole 351, and the key 64 inserted through a key hole 633 provided at the outer end surface at the other end of the plug 63. By the rotation operation, the control protrusion 631 is rotated, and the lock pin 62 is interlocked so that the lock pin 62 can be displaced downward against the elastic force of the spring 61. A protruding pin 632 is further formed near the lower end edge of the outer end surface of the plug 63, and is inserted into the recessed hole 255 of the cover plate 25 through the through hole 243 of the raised portion 24 of the casing 2.

The operating means 7 is a plate that is bent in three steps in a U-shape when viewed from the side, and has a bottom-side pivot contact portion 71 parallel to the notch edge portion 36 of the lock seat 3, and the pivot contact portion 71. And a hook 73 extending from an upper end edge of the extending portion 72 so as to be parallel to the pivotal contact portion 71.

The pivotal contact portion 71 is inserted into the sliding groove 221 of the casing 2 and the cutout edge portion 36 of the lock seat 3 from the outside, and is fixed on the concave surface 511 of the bar means 51. The pivotal contact portion 71 has a pair of screw holes 711 vertically corresponding to the two solid contact holes 513 of the bar means 51, and a convex seat that fits in correspondence with the recessed hole 313 of the upper clamping plate 31. 712 is provided. By screwing the through-hole 324 of the lower holding plate 32, the fixing hole 513 of the bar means 51, and the screw hole 711 through the screwing member 74, the operating means 7 is The bar means 51 are pivotally connected together, and then both through holes 324 are closed by both sealing blocks 75.

The bracket 8 is integrated with the casing 2 and the lock seat 3 by a pair of rivets 80 penetrating through the rivet holes 312 of the upper holding plate 31 and the rivet holes 325 of the lower holding plate 32. Fixed to Then, a pair of frame plates 81 extending vertically upward corresponding to each other from both side edges of the seat body are protruded, and mounting holes 811 are formed in each frame plate 81.

As shown in FIGS. 2, 3 and 4, when the wheel locking device mounted on the wheel side of the motorcycle is not yet locked, the bar means 51 is pulled by the spring action 52. This is a state where the lock seat 3 is retracted into the accommodation groove 33. At this time, the unlocking hole 515 on the bottom surface of the bar means 51 corresponds to the upper and lower sides of the lock hole 322, and the lock pin 62 in the lock hole 322 is moved to its head by the upward elastic bias of the spring 61. The part enters and locks the unlocking hole 515. As shown in FIG. 3, the operating means 7 linked with the bar means 51 is located at the right end of the wheel lock device, and moves upward together with the bar means 51 due to the elasticity of the spring 61. 4, the convex seat 712 of the operating means 7 is engaged with the recessed hole 313 of the upper holding plate 31 as shown in FIG. By such a double localization effect, it is possible to prevent the bar means 51 from inadvertently advancing from the vibration during the running of the motorcycle.

At the same time, since the protruding end of the bar means 51 is located in the opening end 382 of the accommodation groove 33 and is covered by the sealing ring 34, ash dust and sewage in the atmosphere can be removed by the lock. It cannot enter through the open end 332 of the seat 3. In addition, the dustproof strip 4 is also provided in the sliding groove 221 where the operating means 7 slides, and the lid plate 26 is also provided in the insertion hole 242 of the casing 2. It is not possible to enter the wheel lock device from the part, and each member can be prevented from being contaminated by ash dust and the like.

As shown in FIGS. 1, 2, and 5, when locking the wheel lock device, the operating means 7 is pressed slightly downward by hand, and the locking pin 62 is pressed by the bar means 51. Push down. Further, the convex seat 712 is disengaged from the recessed hole 313, the operating means 7 is moved against the spring means 52, and the bar means 51 is slid to the closed end 332 of the lock seat 3 in conjunction with the bar means 51. . At this time, since the unlocking hole 515 into which the head of the lock pin 62 has entered and locked has formed a conical lock with a tapered rear side, the head of the lock pin 62 has the opening of the unlocking hole 515. It can move downward by sliding on the peripheral wall with a predetermined inclination.

When the locking means 512 subsequently slides and the locking hole 512 and the locking hole 322 vertically correspond, the locking pin 62 is upwardly biased by the upward pressing force of the spring 61. By moving, the head of the lock pin 62 enters and locks into the lock hole 512. Then, the length of the projecting end of the bar-gate means 51 is fixed and held, and the projecting end of the bar-shaped means 51 is positioned between the spokes of the wheel 90, and the wheel 90 is locked so as not to rotate.

As shown in FIGS. 1 and 6, when the leading end of the bar means 51 enters between the spokes of the wheel 90 and locks the wheel 90, the operating means 7 just moves the bracket 8. It is located directly outside the mounting hole 811. As a result, the wheel lock device can be prevented from being removed from the wheel axle, and the object of locking and theft prevention can be achieved. That is, in this embodiment, when locking, the operating means 7 may be hooked and moved to extract the key 64.

On the other hand, when the lock state is released, the cover plate 25 is rotated, and the key 64 is inserted into the key hole 633 of the plug 63 from the insertion hole 242 and rotated, so that the lock pin 62 is rotated. In conjunction therewith, the spring 61 can be moved downward against the elastic force of the spring 61. Thereby, the advancing end of the bar means 51 which has advanced to the outside of the casing 2 is automatically retracted into the accommodation groove 33 by the tensile elasticity of the spring means 52. That is, when releasing the locked state of the present embodiment, the plug 63 may be rotated by the key 64.

FIG. 7 shows a wheel lock device according to a second embodiment of the present invention, which is different from the first embodiment in that the advancing end of the bar means 51 ′ advances and retracts from the other end of the casing 2. Only the differences.

[0037]

[Effect of the invention]

 As is clear from the above description, in the wheel lock device of the present invention, when locking, the operating means can be pressed down and slid sideways to easily lock. When the lock is released, the key can be inserted into the keyhole and turned to automatically retract the protruding end of the bar means into the casing. Can be solved.

Further, when the advancing end of the bar means that has advanced between the spokes of the wheel is retracted into the casing, dust and dirt adhering to the surface of the advancing end are attached to the opening end of the lock seat. Thereby, it can be prevented from entering the casing. In addition, the dustproof strip is provided in the sliding groove in which the operating means slides, and the cover plate is provided on the plug, so that dust and contaminated water can be prevented from entering the casing of the wheel lock device, and the wheel lock can be prevented. The device can be provided with dustproof and waterproof functions.

Further, the lock seat and the operating means are respectively provided with a convex seat and a recessed hole which respectively engage with each other, and an unlocking hole corresponding to the lock pin is formed in the bar means, so that the locking state of the wheel lock device is changed. When completely unlocked, they are fitted and locked together, preventing the bar means from inadvertently advancing due to vibration when the motor cycle is running. Can be secured.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a mounted state of a wheel lock device according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the wheel lock device of FIG.

FIG. 3 is a rear view showing an unlocked state of the wheel lock device in an assembled state.

FIG. 4 is a sectional view of a main part of FIG.

FIG. 5 is a rear view showing a locked state of the wheel lock device in an assembled state.

FIG. 6 is a perspective view of FIG. 5;

FIG. 7 is a perspective view showing a locked state of the wheel lock device according to the second embodiment.

FIG. 8 is an exploded perspective view of a conventional wheel lock device.

FIG. 9 is a side view showing an attached state of a conventional wheel lock device.

[Explanation of symbols]

 2; Casing 21; Upper sandwiching plate 22; Side plate 221; Sliding groove 23; Lower sandwiching plate 3: Lock seat 31; Upper sandwiching plate 313; Depressed hole 32; Lower sandwiching plate 321; Locking groove 322; Receiving groove 331; sealing end 332; opening end 34; sealing ring 35; cylinder portion 351; plug hole 36; notch edge portion 4; dust-proof strip 41; gap 51; bar means 52; spring means 512; Unlocking hole 61; Spring 62; Lock pin 63; Plug 64; Key 7; Operating means 712; Convex seat 74; Screw member 8; Bracket 80;

Claims (5)

[Utility model registration claims] 1. A casing comprising upper and lower sandwiching plates parallel to each other, a side plate connecting the upper and lower sandwiching plates along an outer peripheral edge, and a sliding groove provided in the side plate along a longitudinal direction, and between the upper and lower sandwiching plates. And an upper and lower sandwiching plate that is vertically overlapped with and comes into contact with each other. And a lock hole is formed in a substantially central portion from both ends of the accommodation groove on the lower holding plate side, and a cylinder portion projects downward on the same bottom surface as the lock hole of the lower holding plate. A lock seat provided with a horizontal plug hole communicating with the lock hole in the cylinder portion, and a notch edge portion corresponding to the slide groove and one end extending from one end to the other end in the upper holding plate. Slidably mounted in the receiving groove, one end of which is An arc-shaped flat plate-like bar-shaped means in which the other end of the spring means locked to the closed end of the container groove is always in a pulled state, and a lock hole corresponding to the lock hole is formed in the bottom surface of the end. A lock pin provided in the lock hole and elastically urged upward by a spring; a plug inserted into the plug hole and moving the lock pin downward by a key; and slidably movable in a slide groove of the casing. Operating means that can be fixedly interlocked with the bar means by at least one screwing member; and a bracket attached to a wheel shaft of a motorcycle and integrally fixed to the casing and the lock seat by a plurality of rivets, When the operating means is operated and slid, the bar means interlocks with each other against the tensile elasticity of the spring means and moves out of the casing, so that the lock pin is pressed. When the plug is rotated by a key, the lock pin moves downward, and at the same time, the bar means retracts into the casing by the tensile elasticity of the spring means. A wheel lock device wherein the locked state is released by pressing. 2. The operating means is provided with a convex seat, and the lock seat is formed with a concave hole which can be fitted to the convex seat, and when the locked state is released, the convex seat fits into the concave hole. The wheel lock device according to claim 1, wherein the wheel lock device is locked. 3. A conical unlocking hole is formed in the bottom surface of the central portion of the bar means, and when the bar means is pulled by the spring means and retracted into the accommodation groove, the lock pin is unlocked. The wheel lock device according to claim 1, wherein the wheel lock device is adapted to enter and lock into the hole. 4. A locking groove orthogonal to the housing groove near an opening end of the housing groove, and a sealing ring for covering an advancing end of the bar means is attached to the locking groove. The wheel lock device according to any one of claims 1 to 3. 5. A dust-proof strip is interposed between an inner surface of the side plate and a side edge of the lock seat, and the dust-proof strip is provided with a gap corresponding to a sliding groove of the casing. The wheel lock device according to any one of claims 1 to 4.