CN2723633Y - Anti-theft lock for motorcycle - Google Patents

Abstract

The utility model discloses an anti-theft lock for motorcycle, and provides an anti-thief lock for motorcycle with simple and compact structure, small volume, easy use and good anti-theft performance. The utility model comprises a lock bolt, a front fixed plate, a back fixed plate, and a U-shaped card. The lock bolt is composed of a lock sleeve, a lock core, a lock core tongue, a lock core shaft and a steel ball which are sheathed in the lock sleeve. The lock core tongue is inserted into the lock core shaft. The lock core shaft is provided with a spiral groove which is matched with the steel ball. The lock sleeve is provided with a steel ball hole which is smaller than the steel ball. The lock sleeve and the lock core are fixed by a pin nail. The front fixed plate and the back fixed plate are all provided with a lock bole hole and a screw bolt hole. The front fixed plate and the back fixed plate are respectively fixed on a shock absorber through the U-shaped card.

Description

A kind of anti-theft lock for motorcycle

Technical field

The utility model relates to a kind of vehicle lock, particularly a kind of motor anti-theft lock for vehicle.

Background technology

Multiple motor Vehicle lock is arranged on the market, as U shaped steel muscle lock, shackle lock, Steel wire rope lock etc., adopt the common spring lock pin mostly, theftproof performance is poor, because general lock body is bigger, and the back inconvenience keeping of unblanking.As the disclosed theftproof lock of CN2339467Y, bigger U-shape lock frame is arranged, the tapered end cover adopts solid or seamless steel pipe is processed into, and has the effect of anti-hammering, anti-pincers, but this lock body is long-pending big, can not be fixedly mounted on the motorcycle, therefore uses very inconvenient.

Summary of the invention

The technical problem that the utility model solves is, overcomes the deficiencies in the prior art, provide a kind of simple and compact for structure, volume is little, easy to use, motor anti-theft lock for vehicle that theftproof performance is good.

The technical solution of the utility model is: anti-theft lock for motorcycle comprises locking bolt, front shoe, rear fixed plate, U-shaped card, and locking bolt is made up of lock tube and the lock core, lock core tongue, lock core shaft, the steel ball that are sleeved on wherein; The lock core tongue inserts in the draw-in groove of lock core shaft's correspondence, and lock core shaft is provided with a helicla flute that matches with steel ball, and the helicla flute depth capacity equals steel ball size, and minimum-depth is less than the steel ball radius; Lock tube is provided with a steel ball hole more smaller than steel ball, and steel ball is positioned in the steel ball hole; Lock tube and lock core correspondence position are provided with pin hole, with its relative position of dowel fixes, guarantee that lock core rotates within the specific limits; Front shoe and rear fixed plate all are provided with locking bolt hole and bolt hole, and front shoe, rear fixed plate fasten on damper by bolt and U-shaped respectively.

Lock core can be selected the good lock core of theftproof for use, and preferred lock core is the cross bore lock core.

With described lock tube on be provided with a fabrication hole more bigger on the relative wall of steel ball hole than steel ball, steel ball can be installed from fabrication hole easily.

The U-shaped card is used for fixing front shoe and rear fixed plate, can be connected with nut with traditional external screw thread, but preferably be connected with bolt with U-shaped card internal thread.

Front shoe is embedded with keeper, and keeper is welded on the outside in front shoe locking bolt hole, and the inwall of keeper is provided with an endless groove, and when steel ball was ejected lock tube in the locking bolt, ledge just in time was stuck in the endless groove.

The utility model can add front shroud and back shroud, and cover plate is separately fixed on front shoe and the rear fixed plate by interior six lag screws, and cover plate has been covered bolt on the fixed head, thereby improves the pick-proof performance.

The locking bolt of anti-theft lock for motorcycle of the present utility model passes motor vehicle wheel by the locking bolt hole on the rear fixed plate, and steel ball is stuck in the endless groove, promptly reaches the purpose of locked wheel.

The beneficial effects of the utility model are: because lock core, lock core shaft be contained in and form locking bolt in the lock tube, make compact conformation, volume is little, is convenient to collection and keeping after the unlatching, and is easy to use; Solid locking bolt and rational lock construction have improved the pick-proof and anti-theft performance greatly.

Description of drawings

Fig. 1 is an axonometric exploded view of the present utility model.

Fig. 2 is that the A-A of rear fixed plate is to sectional view.

Fig. 3 is that the B-B of front shoe is to sectional view.

Among the figure: the 1st, pin hole, the 2nd, lock core, the 3rd, lock core tongue, the 4th, lock core shaft, the 5th, helicla flute, the 6th, pin, the 7th, lock tube, the 8th, fabrication hole, the 9th, steel ball hole, the 10th, steel ball, the 11st, U-shaped card, the 12nd, locking bolt hole, the 13rd, rear fixed plate, the 14th, bolt hole, the 15th, back shroud, the 16th, bolt, the 17th, front shroud, the 18th, front shoe, the 19th, keeper, the 20th, endless groove.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing.

Embodiment 1 is as Fig. 1, Fig. 2, and anti-theft lock for motorcycle of the present utility model comprises locking bolt, front shoe 18, rear fixed plate 13, U-shaped card 11, and locking bolt is made up of lock tube 7 and the lock core 2, lock core tongue 3, lock core shaft 4, the steel ball 10 that are sleeved on wherein; Lock core tongue 3 inserts in the draw-in groove of lock core shaft's 4 correspondences, and lock core shaft 4 is provided with a helicla flute 5 that matches with steel ball 10, and helicla flute 5 depth capacitys equal the diameter of steel ball 10, and minimum-depth is less than the radius of steel ball 10; Lock tube 7 is provided with a steel ball hole 9 more smaller than steel ball 10 diameters, and steel ball 10 is positioned in the steel ball hole 9; Lock tube 7 is provided with pin hole 1 with lock core 2 correspondence positions, fixes its relative position with pin 6, guarantees that lock core 2 rotates within the specific limits; Front shoe 18 and rear fixed plate 13 all are provided with locking bolt hole 12 and bolt hole 14, and front shoe 18, rear fixed plate 13 are fixed on the damper of motorcycle by bolt 16 and U-shaped card 11 respectively.

Embodiment 2 is as Fig. 1, Fig. 2, anti-theft lock for motorcycle of the present utility model comprises locking bolt, front shoe 18, rear fixed plate 13, U-shaped card 11, locking bolt is made up of lock tube 7 and the lock core 2, lock core tongue 3, lock core shaft 4, the steel ball 10 that are sleeved on wherein, and lock core 2 is selected the cross bore lock core for use.

Embodiment 3 is as Fig. 1, Fig. 2, anti-theft lock for motorcycle of the present utility model comprises locking bolt, front shoe 18, rear fixed plate 13, U-shaped card 11, locking bolt is made up of lock tube 7 and the lock core 2, lock core tongue 3, lock core shaft 4, the steel ball 10 that are sleeved on wherein, with the relative sleeve wall of steel ball 9 on a fabrication hole 8 more bigger than steel ball 10 arranged.

Embodiment 4 is as Fig. 1, Fig. 2, anti-theft lock for motorcycle of the present utility model comprises locking bolt, front shoe 18, rear fixed plate 13, U-shaped card 11, locking bolt is made up of lock tube 7 and the lock core 2, lock core tongue 3, lock core shaft 4, the steel ball 10 that are sleeved on wherein, and U-shaped card 11 is connected with bolt 16 with internal thread.

Embodiment 5 is as Fig. 1～Fig. 3, anti-theft lock for motorcycle of the present utility model comprises locking bolt, front shoe 18, rear fixed plate 13, U-shaped card 11, locking bolt is made up of lock tube 7 and the lock core 2, lock core tongue 3, lock core shaft 4, the steel ball 10 that are sleeved on wherein, front shoe 18 is embedded with keeper 19, keeper 19 is welded on the outside in front shoe 18 locking bolt holes 12, and the inwall of keeper 19 is provided with an endless groove 20.

Embodiment 6 is as Fig. 1～Fig. 3, and in the various embodiments described above, the utility model also is provided with front shroud 17 and back shroud 15, and front shroud 17 and back shroud 15 are separately fixed on front shoe 18 and the rear fixed plate 13 by interior six lag screws 16.

Anti-theft lock for motorcycle of the present utility model compared with prior art has following good effect: simple and compact for structure, body Long-pending little, easy to use, theftproof performance is good.

Claims (6)

1, a kind of anti-theft lock for motorcycle comprises locking bolt, front shoe, rear fixed plate, U-shaped card, it is characterized in that: locking bolt is made up of lock tube and the lock core, lock core tongue, lock core shaft, the steel ball that are sleeved on wherein;

The lock core tongue inserts in the lock core shaft, and lock core shaft is provided with a helicla flute that matches with steel ball, and lock tube is provided with a steel ball hole more smaller than steel ball;

Use dowel fixes between lock tube and the lock core;

Front shoe and rear fixed plate all are provided with locking bolt hole and bolt hole, and front shoe, rear fixed plate fasten on damper by U-shaped respectively.

2, anti-theft lock for motorcycle according to claim 1 is characterized in that: described lock core is the cross bore lock core.

3, anti-theft lock for motorcycle according to claim 1 is characterized in that: with described lock tube on be provided with a fabrication hole more bigger on the relative wall of steel ball hole than steel ball.

4, anti-theft lock for motorcycle according to claim 1 is characterized in that: described U-shaped card has been attacked internal thread.

5, anti-theft lock for motorcycle according to claim 1 is characterized in that: described front shoe is embedded with keeper, and the inwall of keeper is provided with endless groove, and keeper is welded on the outside in front shoe locking bolt hole.

6, according to any one described anti-theft lock for motorcycle of claim 1 to 5, it is characterized in that: also have front shroud and back shroud, front shroud and back shroud are separately fixed on front shoe and the rear fixed plate by bolt.

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