CN2383927Y

CN2383927Y - Anti-theft lock for vehicle

Info

Publication number: CN2383927Y
Application number: CN 99217009
Authority: CN
Inventors: 朱春生
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-07-20
Filing date: 1999-07-20
Publication date: 2000-06-21
Anticipated expiration: 2009-07-20

Abstract

The utility model discloses an automobile-used pickproof lock, including last lock body and lower lock body, the front portion of upper and lower lock body is equipped with keeps silent with the wheel adaptation, and its rear end is linked to each other by the connecting piece, and the lock core is established in locking internally, and the lockhole is established at the internal surface of locking body rear portion, and the spring bolt is established in the lockhole, and the position corresponding with the lockhole at lock body rear portion internal surface is established down to the locking lever. The internal surface of upper and lower lock body rear portion is equipped with intermeshing's boss and recess, and the surface of keeping silent is equipped with the strengthening rib, the utility model has the advantages of simple structure, with low costs, safe and reliable, but pick-proof, prevent the destruction of pressure pincers, welder and hacksaw, can make the series product that is applicable to bicycle, tricycle, motorcycle.

Description

Anti-theft lock for vehicle

The utility model relates to theftproof lock, particularly the anti-theft lock for vehicle of bicycle, tricycle, motorcycle.

Existing bicycle, tricycle, motor Vehicle lock adopt structures such as steel wire, iron chains, reinforcing bar mostly, and lock body is opened by sledge easily, and locking bar is cut off easily or be sawed-off, and the reliability and the theftproof of use are not good enough.

The purpose of this utility model is to provide a kind of simple in structure, anti-theft lock for vehicle that cost is low, safe and reliable.

The purpose of this utility model is achieved through the following technical solutions, specifically comprise lock core, dead bolt, lockhole, locking bar and lock body, it is characterized in that said lock body comprises upper lock body and down lock body, the front portion of upper and lower lock body is provided with the jaw adaptive with wheel, its rear end is connected by connector, and said lock core is located in the upper lock body, and lockhole is opened in the upper lock body rear inner surface, dead bolt by lock core control is located in the lockhole, and locking bar is located at down lock body rear inner surface and the corresponding position of lockhole.

Jaw of the present utility model is embraced wheel, and its locking bar is built-in, and lock body can adopt the cast steel moulding, solid reliable, can prevent sledge, anti-pressure clamp, welding gun and hacksaw destroy, also can damage wheel when the thief destroys lock, make it because of the profitless car steathily of abandoning.The utlity model has simple in structure, cost is low, advantage such as safe and reliable.

The utility model has the following drawings:

Fig. 1 theftproof lock opens schematic diagram

The closed schematic diagram of Fig. 2 theftproof lock

Fig. 3 upper lock body schematic top plan view

Fig. 4 upper lock body elevational schematic view

Fig. 5 down lock body elevational schematic view

Fig. 6 down lock body schematic top plan view

Fig. 7 theftproof lock rear end schematic diagram

Fig. 8 theftproof lock front-end view

Below in conjunction with accompanying drawing structure of the present utility model is described in further detail.

Fig. 1, Fig. 2 are the anti-theft lock for vehicle that opens with closure state, comprise upper lock body 5 and down lock body 6, the front portion of upper and lower lock body is provided with the jaw 7 adaptive with wheel, size according to different wheel, can design the series of products of different jaws, the shape of jaw 7 can be designed to circular arc, polygon or rectangle, square.The rear end of last down lock body is connected by connector 8, and the two can be opened with closed.Lock core 1 is located in the upper lock body 5, can adopt existing lock cylinder, and rear end face is provided with keyhole.Lockhole 3 is opened in upper lock body 5 rear inner surface, and lockhole 3 can be offered one, also can offer two, and offering two lockholes can have theftproof preferably.Be located in the lockhole 3 by the dead bolt 2 of key, but the turnover of the flexible control lock bar 4 of dead bolt 2 can design by prior art by lock core 1 control.Locking bar 4 is located at down lock body 6 rear inner surface and lockhole 3 corresponding positions, and is corresponding with lockhole, can be provided with a locking bar, also can establish two locking bars, and the locking bar front end is provided with the groove suitable with dead bolt.Can pass from the wheel both sides when jaw opens, wheel is embraced, it can't with lockly be rotated, play antitheft effect.Because locking bar 4 is built-in, lock does not expose when closed, and pressure clamp, welding gun, hacksaw can't destroy it, and good theftproof performance is arranged.

Connector 8 between the said upper and lower lock body of the utility model can adopt known modes such as hinge, connecting axle.In order to make the utility model that better theftproof be arranged, said connector 8 adopts a metal bar, be built in the hole of lock body rear end, the specific design scheme is that the rear end of upper lock body is provided with the boss 9 of a band through hole 10 (referring to Fig. 3, Fig. 4), the rear end of down lock body be provided with one with the suitable groove 18 of boss 9 (referring to Fig. 5, Fig. 6), one side of groove has through hole 11, opposite side has blind hole 12, metal bar 8 is through through hole sky 11,10 and blind hole 12 in, do not appear in the outside, the thief can't be extracted it, and can on the metal bar between blind hole 12 and the through hole 10, establish a groove during assembling, insert a spacing card in the groove, so just make the reliability of theftproof lock higher.Metal bar 8 can adopt rod iron, stainless steel bar, brass bar, material that alloy aluminium bar equal strength is high.

In order to prevent that hacksaw blade from stretching into the sawed-off locking bar in slit between the upper and lower lock body, the utility model is provided with antitheft boss 13 (referring to Fig. 4) in upper lock body 5 rear inner surface, down lock body 6 rear inner surface are provided with the antitheft groove 14 (referring to Fig. 6) that is meshed with boss 13, like this, do not have straight-through slit between the two, improved theftproof performances such as anti-sledge, anti-saw.For well, its external surface can be provided with reinforcing rib 15 (referring to Fig. 3, Fig. 5) to the shape of the anterior jaw 7 of upper and lower lock body, with the raising theftproof with circular arc.When lock body is narrower, can wheel be pinned by the space between spoke.For enough intensity is arranged, lock body is broad sometimes, at this moment, can be provided with the breach 16 suitable with the spoke of wheel at the front end of jaw, according to the requirement of different wheel, can be designed to the series of products of different size.Fig. 7 is a lock body rear end face schematic diagram, and Fig. 8 is the jaw end view.

Lock body of the present utility model can adopt cast steel to make, and cost is lower and intensity is higher like this, and the width of lock body can be 40 millimeters or wideer, and thickness can be 15 millimeters or thicker, and this size corresponding strength is that existing lock is incomparable.

Claims

1. anti-theft lock for vehicle, comprise lock core (1), dead bolt (2), lockhole (3), locking bar (4) and lock body, it is characterized in that said lock body comprises upper lock body (5) and down lock body (6), the front portion of upper and lower lock body is provided with the jaw adaptive with wheel (7), its rear end is connected by connector (8), said lock core (1) is located in the upper lock body (5), lockhole (3) is opened in upper lock body (5) rear inner surface, dead bolt (2) by lock core control is located in the lockhole (3), and locking bar (4) is located at down lock body (6) rear inner surface and the corresponding position of lockhole (3).

2. automobile-used theftproof lock according to claim 1, it is characterized in that said connector (8) is a metal bar, the rear end of upper lock body is provided with the boss (9) of a band through hole (10), the rear end of down lock body be provided with one with the suitable groove (10) of boss (9), one side of groove has through hole (11), opposite side has blind hole (12), and connector (8) is through in through hole (11,10) and the blind hole (12).

3. anti-theft lock for vehicle according to claim 1 and 2, it is characterized in that said upper lock body (5) rear inner surface is provided with antitheft boss (13), down lock body (6) rear inner surface is provided with the antitheft groove (14) that is meshed with boss (13), the anterior jaw of upper and lower lock body (7) be shaped as circular arc, its external surface is provided with reinforcing rib (15), and the front end of jaw (7) is provided with the breach (16) suitable with the spoke of wheel.