CN209100447U - A kind of slipping type anti-theft bolt - Google Patents

Abstract

A kind of slipping type anti-theft bolt, including screw rod and shape for hat head, the shape for hat head is equipped with irregularly-shaped hole, the screw rod outer peripheral surface is equipped with screw thread, the shape for hat head is equipped with rotating hole, lock core mechanism is equipped in the rotating hole, the lock core mechanism includes lock cylinder element and lock piece, the lock cylinder element, which is set in rotating hole, does rotatable engagement, the end face of the lock cylinder element towards rotating hole aperture side is equipped with irregularly-shaped hole, defining flange is equipped at the rotating hole aperture, the defining flange and lock cylinder element abnormity hole end surface contradict, the lock cylinder element is radially equipped with the first lock groove, the second locking hole is equipped at the radially corresponding first locking groove location in the shape for hat head, the lock piece is inserted in the second locking hole and extends in the first lock groove, drive lock cylinder element and shape for hat head synchronous rotary.Anti-theft bolt after being arranged in this way has double insurance so that anti-theft effect is more significant.

Description

A kind of slipping type anti-theft bolt

Technical field

The utility model relates to fastener areas, and in particular to a kind of vehicle anti-theft bolt.

Background technique

Currently, the stolen event of automobile tire often occurs in society, tire is stolen not only to bring trip to car owner Inconvenience also causes certain economic loss.

Due on automotive hub in the market install tire bolt/nut be mostly rule polygon, except car owner with Outer other people can be unscrewed bolt/nut using common transition spanner, and then can very easily be unloaded tire, In order to prevent such case, anti-theft bolt is had developed on the market, by the way that irregularly-shaped hole is arranged on bolt shape for hat head, so that conventional pull Hand can not unload bolt, corresponding can only could unload bolt with the spanner that irregularly-shaped hole matches by shape.

If however existing anti-theft bolt special-shaped hole shape is replicated spanner after people's stamp, and it is stolen still to will appear tire Event surreptitiously.

Summary of the invention

The utility model provides a kind of antitheft spiral shell equipped with hiding unlocking structure to solve the deficiency of above-mentioned technology Bolt.

The technical solution of the utility model includes: a kind of slipping type anti-theft bolt, including screw rod and shape for hat head, the shape for hat head Portion is equipped with irregularly-shaped hole, and the screw rod outer peripheral surface is equipped with screw thread, and the shape for hat head is equipped with rotating hole, is equipped with lock in the rotating hole Core mechanism, the lock core mechanism include lock cylinder element and lock piece, and the lock cylinder element, which is set in rotating hole, does rotatable engagement, the lock The end face of chipware towards rotating hole aperture side is equipped with irregularly-shaped hole, is equipped with defining flange, the limit convex at the rotating hole aperture Edge and lock cylinder element abnormity hole end surface contradict, and the lock cylinder element is radially equipped with the first lock groove, and the shape for hat head is radially right It answers and is equipped with the second locking hole at the first locking groove location, the lock piece is inserted in the second locking hole and extends to the first locking In slot, driving lock cylinder element and shape for hat head synchronous rotary；It is equipped in first lock groove perpendicular to axial column spinner, it is described Lock core mechanism further includes flip piece and elastic shrinkage part, which is sheathed on column spinner in axial wraping plate fortune Dynamic, the both side ends in the flip piece centre are by pressure side and to tilt end respectively, and second locking hole is correspondingly arranged in By pressure side side, the elastic shrinkage part, which is set to, to be tilted between end and the first lock groove, and both ends respectively with tilt end and the One lock groove is fixedly connected, and corresponding tilt is equipped with synchronous engaging slot in the rotating hole at end position；The lock piece uses magnetic Property material is made.

It by adopting the above technical scheme,, will when non-car owner has a mind to the anti-theft bolt on detaching tyre in vehicle use state Lock piece is extracted out of the first lock groove, the second locking hole in lock core mechanism, so that synchronous rotation between lock cylinder element and shape for hat head The attachment turned disappears, and lock cylinder element is just in independence and freedom rotation status at this time, even if thief's stamp replicates irregularly-shaped hole Shape, the handle and irregularly-shaped hole of production are completely mild, and when rotatable grip can only drive lock cylinder element to rotate, and bolt will not be with lock Chipware rotates synchronously, and causes still dismantle anti-theft bolt.And in car owner oneself detaching tyre, it will be with the first locking hole The lock piece matched is inserted into the second locking hole and extends in the first lock groove, and lock cylinder element rotation at this time can pass through lock piece conduct Attachment drives bolt synchronous rotation, completes disassembly.And the defining flange being arranged, it can prevent lock cylinder element from taking off from rotating hole Out.Anti-theft bolt after being arranged in this way has double insurance so that anti-theft effect is more significant.

By flip piece and elastic shrinkage part, in lock piece insertion, push flip piece by pressure side so that flip piece encloses Do axial turning around column spinner, i.e., tilting end run off the first lock groove, into rotating hole inner wall on corresponding position setting synchronization Engaging slot, after being arranged in this way, the synchronized links between lock cylinder element and shape for hat head are relatively reliable, and that has dispersed that lock piece is subject to cuts Shear force, the problem of avoiding the strength of synchronous rotary from concentrating on lock piece, lock piece is caused to be broken.The elastic shrinkage part of setting exists Lock piece leaves flip piece after by pressure side, drives it to tilt end and is retracted in the first lock groove, is i.e. cancellation lock cylinder element and shape for hat head The synchronous rotary in portion.

Lock piece can be made of materials such as magnetic materials, such as iron, cobalt, nickel and its alloy, be thus inserted into the first lock Only after slot, it can use magnet and lock piece, more convenient disassembly be sucked out.

The further setting of the utility model: the elastic shrinkage part is tension spring, which drives flip piece holding and axis To parallel orientation.

By adopting the above technical scheme, the holding of tension spring driving flip piece and axial parallel orientation, avoid flip piece from arbitrarily stirring.

The further setting of the utility model: the shape for hat head is cylindrical.

By adopting the above technical scheme, shape for hat head is cylindrical, can allow the round and smooth no relay point of its outer peripheral surface, allows spanner Can only from irregularly-shaped hole relay demounting bolt.

Detailed description of the invention

Fig. 1 is the structure chart 1 of the utility model embodiment；

Fig. 2 is the explosive view of the utility model embodiment；

Fig. 3 is the structure chart 2 of the utility model embodiment；

Fig. 4 is sectional view at A-A in Fig. 3.

Specific embodiment

As shown in Figs 1-4, a kind of slipping type anti-theft bolt, including screw rod 11 and shape for hat head 12, the shape for hat head 12 Equipped with irregularly-shaped hole 13,11 outer peripheral surface of screw rod is equipped with screw thread, and the shape for hat head 12 is equipped with rotating hole 14, the rotating hole 14 Interior to be equipped with lock core mechanism 2, the lock core mechanism 2 includes lock cylinder element 21 and lock piece 22, and the lock cylinder element 21 is set to rotating hole Rotatable engagement is done in 14, the end face of the lock cylinder element 21 towards 14 aperture side of rotating hole is equipped with irregularly-shaped hole 13, the rotating hole 14 Defining flange 141 is equipped at aperture, the defining flange 141 and 21 irregularly-shaped hole of lock cylinder element, 13 end face contradict, 21 edge of lock cylinder element It is radially provided with the first lock groove 211, the shape for hat head 12 is equipped with the second locking at radially corresponding first lock groove, 211 position Hole 212, the lock piece 22 are inserted in the second locking hole 212 and extend in the first lock groove 211, drive lock cylinder element 21 With 12 synchronous rotary of shape for hat head；It is equipped in first lock groove 211 perpendicular to axial column spinner 51, the lock core mechanism 2 further include flip piece 52 and elastic shrinkage part 53, which is sheathed on column spinner 51 in axial wraping plate fortune Dynamic, the both side ends in 52 centre of flip piece are by pressure side 521 and to tilt end 522, second locking hole respectively 212 are correspondingly arranged in by 521 side of pressure side, the elastic shrinkage part 53 be set to tilt end 522 and the first lock groove 211 it Between, and both ends are fixedly connected with tilting end 522 and the first lock groove 211 respectively, it is corresponding in the rotating hole 14 to tilt 522, end It sets place and is equipped with synchronous engaging slot 141；The lock piece 22 is made of magnetic material.

In vehicle use state, when non-car owner has a mind to the anti-theft bolt on detaching tyre, by lock piece in lock core mechanism 2 22 extract out of the first lock groove 211, the second locking hole 212, so that synchronous rotary between lock cylinder element 21 and shape for hat head 12 Attachment disappears, and lock cylinder element 21 is just in independence and freedom rotation status at this time, even if thief's stamp replicates irregularly-shaped hole 13 Shape, the handle of production and irregularly-shaped hole 13 are completely mild, and when rotatable grip can only drive lock cylinder element 21 to rotate, and bolt will not It is rotated synchronously with lock cylinder element 21, causes still dismantle anti-theft bolt.And in car owner oneself detaching tyre, it will be with the first lock Only the matched insertion of lock piece 22 in hole the second locking hole 212 is interior and extends in the first lock groove 211, and lock cylinder element 21 rotates at this time Bolt synchronous rotation can be driven as attachment by lock piece 22, complete disassembly.And the defining flange 141, Neng Goufang being arranged Only lock cylinder element 21 is deviate from from rotating hole 14.Anti-theft bolt after being arranged in this way has so that anti-theft effect is more significant Double insurance.

By flip piece 52 and elastic shrinkage part 53, when lock piece 22 is inserted into, push flip piece 52 by pressure side 521, So that flip piece 52 does axial turning around column spinner 51, i.e. tilting end 522 runs off the first lock groove 211, into rotating hole 14 The synchronization engaging slot 141 that corresponding position is arranged on inner wall, it is synchronous between lock cylinder element 21 and shape for hat head 12 after being arranged in this way It connects relatively reliable, has dispersed the shearing force that lock piece 22 is subject to, avoided the strength of synchronous rotary from concentrating on lock piece 22, lead The problem of causing lock piece 22 to be broken.The elastic shrinkage part 53 of setting leaves flip piece 52 after by pressure side 521 in lock piece 22, drives It moves its tilting end 522 to be retracted in the first lock groove 211, that is, cancels the synchronous rotary of lock cylinder element 21 and shape for hat head 12.

Lock piece 22 can be made of materials such as magnetic materials, such as iron, cobalt, nickel and its alloy, be thus inserted into first After lock groove 211, it can use magnet and lock piece 22, more convenient disassembly be sucked out.

The elastic shrinkage part 53 is tension spring, which drives flip piece 52 to keep and axial parallel orientation.

Tension spring drives the holding of flip piece 52 and axial parallel orientation, and flip piece 52 is avoided arbitrarily to stir.

The shape for hat head 12 is cylindrical.

Shape for hat head 12 is cylindrical, can allow the round and smooth no relay point of its outer peripheral surface, allows spanner can only be from irregularly-shaped hole 13 Middle relay demounting bolt.

Claims (3)

1. a kind of slipping type anti-theft bolt, including screw rod and shape for hat head, the shape for hat head is equipped with irregularly-shaped hole, outside the screw rod Circumferential surface is equipped with screw thread, it is characterised in that: the shape for hat head is equipped with rotating hole, and lock core mechanism is equipped in the rotating hole, described Lock core mechanism includes lock cylinder element and lock piece, and the lock cylinder element, which is set in rotating hole, does rotatable engagement, lock cylinder element direction rotation The end face of turn hole aperture side is equipped with irregularly-shaped hole, is equipped with defining flange, the defining flange and lock cylinder element at the rotating hole aperture Special-shaped hole end surface contradicts, and the lock cylinder element is radially equipped with the first lock groove, and the shape for hat head radially corresponds to the first locking The second locking hole is equipped at groove location, the lock piece is inserted in the second locking hole and extends in the first lock groove, drives Lock cylinder element and shape for hat head synchronous rotary；It is equipped in first lock groove perpendicular to axial column spinner, the lock core mechanism It further include flip piece and elastic shrinkage part, which is sheathed on column spinner in axial wraping plate movement, described to turn over The both side ends for turning part centre are by pressure side and to tilt end respectively, and second locking hole is correspondingly arranged in by pressure side one Side, the elastic shrinkage part, which is set to, to tilt between end and the first lock groove, and both ends respectively with tilt end and the first lock groove It is fixedly connected, corresponding tilt is equipped with synchronous engaging slot in the rotating hole at end position；The lock piece uses magnetic material system At.

2. a kind of slipping type anti-theft bolt according to claim 1, it is characterised in that: the elastic shrinkage part is tension spring, The tension spring drives flip piece to keep and axial parallel orientation.

3. a kind of slipping type anti-theft bolt according to claim 2, it is characterised in that: the shape for hat head is cylindrical.