CN201148793Y

CN201148793Y - Antitheft lock

Info

Publication number: CN201148793Y
Application number: CNU2008200428245U
Authority: CN
Inventors: 杨冬松
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-08
Filing date: 2008-01-08
Publication date: 2008-11-12
Anticipated expiration: 2018-01-08

Abstract

The utility model relates to a theftproof lock, which comprises a lock tube and a lock beam. A lock shell and a lock core with inward keyhole are arranged inside the lock tube in a concealing manner; a marble group controlled by a key is arranged between the lock shell and the lock core; the lock core can axially move inside lock shell; one end of the lock core is connected with a transmission bar which is restored by an elastic component in the lock tube; a clip of the transmission bar can just lock the end of the lock beam which is inserted into the lock tube; a straight type keyhole is arranged on the lock tube. In the theftproof lock, the key is adopted to unlock by pushing the lock core straightly instead of unlocking by turning the key; the keyhole can be made into a line shape; compared with the theftproof lock with an L-shaped big keyhole that opens inwards, the resistance to violent damage such as prizing and wringing is greatly increased, so that the theftproof lock is not easy to be broken by a car stealer by using a violent tool or by unlocking technically, because the stealer has absolutely no crime opportunity; the structure of the theftproof lock is simple, the theftproof performance is better, and the appearance is more beautiful and elegant.

Description

Theftproof lock

[technical field]

The utility model relates to a kind of theftproof lock, refers in particular to automobile-used U type theftproof lock.

[background technology]

Current, the most popular lockset of common people's Bicycles and Motorcycles be a kind of have down the lock pipe, on have lock bridge and lock bridge outward appearance to take the shape of the letter U lockset, we are referred to as the U-shaped lock here.This U-shaped lock is because the lock pipe adopts steel pipe, and lock bridge adopts the reinforcing bar manufacturing, and the theftproof performance that gets up on the surface is fine, so be subjected to very much customer's welcome on market.But in real life, after popularizing and use, but do not reduce by this lock the generation of the stolen case of various vehicles.Reason is very simple, and joyriding in flagrant delict always finishes in the shortest time with simple tools, convenient mode.And to reach such purpose, will find the weakness of lockset to set about.And the weakest link of U-shaped lock obviously is exactly its lock core.U-shapeds most on the current market are locked, and let it be, and how lock core designs, and how extraordinary-looking key is, and a common characteristic is all arranged, and the keyhole that is exactly lock core is outside.And keyhole is outside, and just for the criminal has stayed enough activity spaces, he can not cause that under the situation that others notes, instrument is prized bad lock core and opened lockset by force in the time of several seconds kinds, and vehicle is stolen as opening the lock with the key.Because the reason of aspects such as processing and manufacturing when producing lock core, can only select for use copper or the softer metal material of some other character to finish.And the thief can find a kind of character metal harder than copper to make instrument, and is bad the lock core sled easily.Here it is our said violence picking lock is the most frequently used a kind of mode of thief.In addition, even the material of lock core is changed into the harder metal of a kind of material, also there are some thieves that are skilled in technique to open lock with technological means.A kind of situation that common people often run in daily life that Here it is: car is placed on the doorway, just disappears a little while.So the outside U-shaped of keyhole is locked in the antitheft effect that in fact do not have basically.

In view of this, occurred the inside U-shaped lock of a kind of keyhole on the market again, it inwardly puts into the lock pipe to the keyhole of lock core earlier, and with sealing piece it is blocked.Then the lock Guan Shangkai one be similar to L shaped slotted hole, also make L shaped key.Earlier L shaped key is injected in the L shaped keyhole during use, the direction of prolonging key again injects lock core, and then the turn-knob key is opened lock.The inside U-shaped lock of this keyhole is locked in the technical breakthrough that a matter is arranged compared with traditional U-shaped, and making the thief is that violence is unblanked or technology unlocking has all had great difficulty.But the mode of the turn-knob key unlocking that this lock adopts, the keyhole on the lock pipe of having to is during fabrication also made L shaped, and because the shank of the key has certain width, so L shaped keyhole also can only be processed very widely.So seem not too attractive in appearance in appearance, the customer is difficult to accept, though two increased difficulty, and, still can see lock core, so still stayed certain crime space to the unprincipled fellow because keyhole is very wide.So, be necessary the inside U-shape lock of current keyhole is improved.

[utility model content]

The purpose of this utility model is to be to overcome the deficiencies in the prior art, and a kind of simple in structure, elegant in appearance and better theftproof lock of theftproof performance is provided.

In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

A kind of theftproof lock, include lock pipe and lock bridge, in this lock pipe, hide and be provided with lock housing and the inside lock core of keyhole, be provided with pellet shot from a slingshot group between this lock housing and the lock core by key control, lock core can move axially in lock housing, and an end of this lock core is connected with the transmission bar that is resetted by the elastic parts in the lock pipe; The buckle of described transmission bar can just block the lock bridge end that is inserted in the lock pipe; On this lock pipe, be provided with " one " font key hole.

As improvement project, between described lock core and lock housing, be provided with guiding device to above-mentioned theftproof lock.

As the improvement project to above-mentioned theftproof lock, described guiding device is made up of the gib block and the gathering sill that are separately positioned on lock core and the lock housing.

As improvement project, be provided with the breach that the buckle with this transmission bar is complementary in the end of this lock bridge to above-mentioned theftproof lock.

As the improvement project to above-mentioned theftproof lock, described elastic parts is a stage clip.

Compared with prior art, the beneficial effects of the utility model are: it is that key craspedodrome promotion lock core backs down lock that the utility model mutarotation is turned round key unlocking.So, keyhole on the lock pipe does not just need to make L shaped yet, it is just passable directly to make in-line, and owing to the key craspedodrome is unblanked, it is very narrow that keyhole can be done, only can allow key pass through, like this compared with present stage keyhole inside, L shaped keyhole open very big theftproof lock, its anti-intensity of prizing violence damage such as turning round improves greatly, no matter joyriding is that instrument is unblanked or technology unlocking by force, very difficulty all becomes, just do not commit a crime the space because he is basic, so the utility model is in simple in structure, its theftproof performance is better, and also better appearance is generous aspect outward appearance.

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

[description of drawings]

Fig. 1 is the stereogram of the utility model embodiment;

Fig. 2 is that the utility model produces the assembling schematic diagram of executing example;

Fig. 3 is the structural representation of the utility model embodiment;

Fig. 4 is that the A-A of Fig. 3 is to sectional view.

[specific embodiment]

The utility model is a kind of theftproof lock, include lock pipe 1 and U-shape lock beam 2, lock bridge 2 surrounds closed loop with lock pipe 1 and pinned vehicle etc. afterwards, in this lock pipe 1, hide and be provided with lock housing 3 and lock core 4, be provided with between this lock housing 3 and the lock core 4 by the pellet shot from a slingshot group of key 5 controls and (show among the figure and draw, the same with the lock core structure of now), in the utility model, after key 5 insertions make the pellet shot from a slingshot group remove the locking of lock housing 3 and lock core 4 (when promptly unblanking), lock core 4 can move axially in lock housing 3, and an end of this lock core 4 is connected with the transmission bar 7 that is resetted by elastic parts 6 in the lock pipe 1; The buckle 71 of described transmission bar 7 can just block the lock bridge end that is inserted in the lock pipe 1; On this lock pipe 1, be provided with " one " font key hole 11.

More reliable for lock core 4 is slided in lock housing 3, between described lock core 4 and lock housing 3, be provided with guiding device 8.As shown in Figure 4, guiding device 8 is made up of the gib block 81 and the gathering sill 82 that are separately positioned on lock core 4 and the lock housing 3.Certainly, guiding device 8 also can be made up of lead and gathering sill, or other structure.

When unblanking, earlier key 5 is injected in the yi word pattern keyhole 11 above the lock pipe 1, prolonging the sensing of key again injects key in the lock core 4, at this moment because the effect of key, originally fall in the lock housing 3 in the pellet shot from a slingshot group withdrawal lock housing 3 that is stuck between lock housing 3 and the lock core 4, so lock core 4 just can move axially, then enforcing key moves ahead, under the promotion of key, lock core 4 drives transmission bar 7 and moves axially and push elastic parts 6 forward, the buckle 71 that transmission bar 7 is stuck in lock bridge 2 ends withdraws from, and lock bridge can withdraw from the lock hole of locking on the pipe this moment, and lock just can be opened like this.When wanting locking, lock bridge is incorporated in the lock hole of locking on the pipe, under the screen resilience of elastic parts promoted, transmission bar and lock core returned to original position, and the transmission bar blocks the lock bridge end again, extracts key, and lockset is just locked.

The utility model adopts the mode that axially promotes key unlocking, lock suitable " one " font of key width that the keyhole on the pipe just can be made and insert during fabrication, compared with inside, the L shaped keyhole of present stage keyhole open very big theftproof lock, its anti-intensity of prizing violence damage such as turning round improves greatly, so the utility model is in simple in structure, its theftproof performance is better, and also better appearance is generous aspect outward appearance.

Can adopt multiple mode to block between transmission bar 7 and lock bridge 2 ends, as shown in Figure 4, be provided with the breach 21 that the buckle 71 with this transmission bar 7 is complementary in the end of lock bridge 2, at this moment breach 21 is over against buckle 71.Also can be provided with the draw-in groove that the buckle with this transmission bar is complementary in the end of lock bridge 2, draw-in groove is opened usually in both sides, lock bridge end, and at this moment buckle is stuck in the both sides of lock bridge end opening-likely.Certainly, also can be provided with the block button hole that the buckle with this transmission bar is complementary in the end of lock bridge, block button hole can be blind hole or through hole.In addition, in the present embodiment, elastic parts is a stage clip.

For cooperating this theftproof lock, key 5 is made the bending-type of being with handle 9, as the L type, so both be convenient to take, be convenient to again insert and unblank.

Claims

1, a kind of theftproof lock, include lock pipe (1) and lock bridge (2), in this lock pipe (1), hide and be provided with lock housing (3) and the inside lock core (4) of keyhole, be provided with pellet shot from a slingshot group between this lock housing (3) and the lock core (4) by key control, it is characterized in that: described lock core (4) can move axially in lock housing (3), and an end of this lock core (4) is connected with the transmission bar (7) that is resetted by the elastic parts (6) in the lock pipe (1); The buckle (71) of described transmission bar (7) can just block the lock bridge end that is inserted in the lock pipe (1); On this lock pipe (1), be provided with " one " font key hole (11).

2, theftproof lock according to claim 1 is characterized in that: be provided with guiding device (8) between described lock core (4) and lock housing (3).

3, theftproof lock according to claim 2 is characterized in that: described guiding device (8) is made up of the gib block (81) and the gathering sill (82) that are separately positioned on lock core (4) and the lock housing (3).

4, according to claim 1,2 or 3 described theftproof locks, it is characterized in that: be provided with the breach (21) that the buckle (71) with this transmission bar (7) is complementary in the end of this lock bridge (2).

5, theftproof lock according to claim 4 is characterized in that: described elastic parts (6) is a stage clip.

6, according to claim 1,2 or 3 described theftproof locks, it is characterized in that: described elastic parts (6) is a stage clip.