CN104929450A - Hidden core chain lock body structure - Google Patents

Abstract

The invention discloses a hidden core chain lock body structure which comprises a lock body, a chain and an L-shaped key. A lock core chamber and a P-shaped channel are formed in the lock body, the P-shaped channel is communicated with the lock core chamber and used for unlocking, a lock core is fixed in the lock core chamber, a key hole of the lock core faces the P-shaped channel, a bulkhead is arranged on an lock core inlet of the lock core chamber, an opening corresponding to a lock tongue on the lock core is formed in the inner surface of the bulkhead, and the lock body is made of a cylindrical solid round steel or a hexagonal solid steel. The lock core is fixedly and deeply hidden in the lock core chamber of the lock body machined by the solid round steel, the L-shaped key is inserted into the hidden lock hole from a key slot of a P-shaped channel opening, so that the lock body structure can be used, and the lock hole has hidden, prying resistant and cutting resistant effects. Lock core balls are reinforced solid balls made by solid copper, and the twisting resistance of the lock core is further improved.

Description

A kind of hidden core chain lock lock body structure

technical field:

The present invention relates generally to technical field, particularly relates to a kind of hidden core chain lock lock body structure.

background technology:

So-called hidden core lock core is exactly the keyhole part directly can not seeing lockset, the key of unblanking is corresponding L-type, originally the keyhole being exposed to outside is directly placed in lock body deeply, only have corresponding L-type key to open, to the opener except key own to make trouble to reach certain anti-theft effect.

Existing chain lock major part is that chain making is very big and heavy solid, it's a pity and just one common lock is locked in chain two, its anti-theft effect is unknown, that has plenty of that lock body chain is integrated is also more novel beautiful, but keyhole is outside exposed, or just keyhole, by board door, can only play and block dust, not have anti-theft function at all.

As Chinese patent ZL92225484.2 ZL 201020215004.9 just exists these drawbacks, key hole is nearly all exposed, do not have real anti-theft function, comprehensively above-mentioned, the structure of current existing chain lock remains many places weakness perfect not to the utmost, and the loss quantity that also cannot reduce public vehicles is difficult to solve the problem that in people's life, vehicle is lost.Vehicle is stolen also very convenient except easy to operate!

summary of the invention:

The object of the invention is exactly the defect in order to make up prior art, provides a kind of hidden core chain lock lock body structure, improves theftproof performance and the effect of the anti-hinge pick-proof of entirety of lock.

The present invention is achieved by the following technical solutions:

A kind of hidden core chain lock lock body structure, includes lock body, chain and L-type key, it is characterized in that: the P type groove for unblanking being provided with lock core thorax in described lock body and being communicated with lock core thorax; Be fixed with lock core in lock core thorax, the key hole of lock core is towards P type groove; The lock core import position of lock core thorax is provided with silently, and inner face is silently provided with the opening of corresponding lock core upper lock tongue; Described lock body is the lock body that cylindrical base solid body round steel is made or hexagonal steel single solid steel is made.

A kind of hidden core chain lock lock body structure, is characterized in that: described lock core is fixed in lock thorax by lock core steady pin.

A kind of hidden core chain lock lock body structure, is characterized in that: lock core is top lock pin or turning-bolt lock core.

A kind of hidden core chain lock lock body structure, is characterized in that: described turning-bolt lock core comprises adjustable revolving tongue lock core and rotary turning-bolt lock core.

A kind of hidden core chain lock lock body structure, is characterized in that: the solid pellet of reinforcing that the pellet in described lock core adopts solid copper body to get.

Described lock body comprises the P type groove opening of corresponding L-type key, the width of described opening and length must ensure that L-type key can complete the anglec of rotation of unblanking in described P type groove, described lock body front end is provided with the lockhole of certain depth and width, corresponding lock body rear end is also provided with the chain of a connection chain, is provided with the steady pin of a fixing chain outside corresponding chain.Described lock core comprises the lock core thorax of built-in lock core, and lock core seals silently, the described hole being silently provided with the turnover of corresponding dead bolt.

Described lock core comprises key hole and dead bolt, and as the further improvement of such scheme, described lock core is top lock pin or turning-bolt lock core, and described turning-bolt lock core comprises adjustable revolving tongue lock core and rotary turning-bolt lock core.Lock core is closely placed in lock core thorax, and its corresponding section is provided with pin hole, by lock body fixed lock core.

The solid pellet of reinforcing that lock core marble adopts solid copper body to get, improves the anti-strand performance of lock core.

Lock body adopts solid round steel to process.Described key is cross triangle hexagon key preferably.Described lock tail is the effect of the fixing chain with steady pin, and one by lock tail connection chain is enter the structure that lock body front end lockhole carries out pinning effect.

Because lock body used adopts solid round steel to process, it not hollow section, but solid round steel mills out and processes, its fastness is also the effect reaching anti-saw shearing resistance more pick-proof, described key is cross triangle hexagon key, multi-face tooth can increase size of key, reduce mutual opening rate, spring in lock core used is through stiffened process, improve intensity, extend the application life of lock core, the pellet of lock core adopts solid pellet, anti-strand performance is given prominence to, the more important thing is that lock core is hidden, L-type valid key is special, because the restriction of hidden core and angle of unblanking, the one hidden core chain lock structure that master key also cannot be opened.When L-type key is by the P type groove opening of corresponding L-type key, open, dead bolt just exits, the lock tail of the connection chain in lockhole just can be extracted out, and such lock just opens, otherwise, when the lock tail cover residence lock object connecting chain is put into lockhole, key rotates and can pin.

The invention has the advantages that:

Lock core is hidden by the present invention to be deeply fixed in the lock core thorax of the lock body that solid round steel processes, and L-type key must be used to inject hiding lockhole from the key of P type groove opening lock body could be used, and makes keyhole reach the anti-hinge effect of hidden pick-proof.The solid pellet of reinforcing that described lock core marble adopts solid copper body to get, further increases the anti-strand performance of lock core.

accompanying drawing illustrates:

Fig. 1 is lock body structure schematic diagram of the present invention

Fig. 2 is chain structure schematic diagram of the present invention

Fig. 3 is key schematic diagram of the present invention

detailed description of the invention:

See accompanying drawing.

Further illustrate the present invention below by embodiment, and the present invention being not restricted to described embodiment, similar all and of the present invention, is only that size, position adjust to some extent or change person then belongs to protection category of the present invention.

See a kind of hidden core chain lock lock body structure of Fig. 1, Fig. 2, Fig. 3, comprise lock body 1, chain 2 and key 3.Wherein lock body 1 is processed by milling machine by round steel, and lock body is provided with 1-1 chain, 1-2 P shape key, and front end is provided with 1-3 lockhole, 1-4 chain steady pin 1-5 lock core, 1-6 is the key hole of lock core, and 1-7 is dead bolt, 1-8 is silently, and 1-9 is lock core thorax, and 1-10 is lock core steady pin.2-1 is lock tail, and 2-2 is steady pin, and 2-3 is chain, and 2-4 is one that fixes of chain.The length of overall this transverse opening of P shape key 1-2 must ensure to make key 2 can complete the necessary anglec of rotation of unblanking in P shape key 1-2, easy to use.

Key 3 is L-type or Foldable key at least partly, adopt the polygonal keys such as the cross that tooth flower 3-2 is many, the size of key of such key reaches the highest anti mutual-opening, again because lock core 1-5 position built-in, keyhole 1-6 is hidden, P shape key 1-2 dual lock angle limits, and pilferage unlocking tool such as the reamer of thief cannot effectively use.

The marble spring stiffened of lock core 1-5, the solid pellet of reinforcing that lock core marble adopts the solid copper body of wall thickness to get improves the anti-hinge performance of lock core, tooth is taken and is also reinforced, such external force resistance strand sled is enough to reach antitheft effect, also prevent disconnected key, certainly can also also can by the key cylinder of other moulding by the size of key that improves lock core marble and key in technical scheme.

A kind of hidden core chain lock lock body structure, includes lock body 1, chain 2 and L-type key 3, the P type groove for unblanking being provided with lock core thorax 1-9 in lock body 1 and being communicated with lock core thorax 1-9; Be fixed with lock core 1-5 in lock core thorax 1-9, the key hole of lock core 1-5 is towards P type groove; The lock core import position of lock core thorax 1-9 is provided with silently 1-8, and silently the inner face of 1-8 is provided with the opening of corresponding lock core upper lock tongue 1-7; Described lock body 1 is the lock body that cylindrical base solid body round steel is made or hexagonal steel single solid steel is made.

Lock core 1-5 is fixed in lock thorax by lock core steady pin 1-10.

Lock core 1-5 is top lock pin or turning-bolt lock core.

The solid pellet of reinforcing that pellet in lock core 1-5 adopts solid copper body to get.

Claims (5)

1. a hidden core chain lock lock body structure, includes lock body, chain and L-type key, it is characterized in that: the P type groove for unblanking being provided with lock core thorax in described lock body and being communicated with lock core thorax; Be fixed with lock core in lock core thorax, the key hole of lock core is towards P type groove; The lock core import position of lock core thorax is provided with silently, and inner face is silently provided with the opening of corresponding lock core upper lock tongue; Described lock body is the lock body that cylindrical base solid body round steel is made or hexagonal steel single solid steel is made.

2. one according to claim 1 hidden core chain lock lock body structure, is characterized in that: described lock core is fixed in lock thorax by lock core steady pin.

3. one according to claim 1 hidden core chain lock lock body structure, is characterized in that: lock core is top lock pin or turning-bolt lock core.

4. one according to claim 3 hidden core chain lock lock body structure, is characterized in that: described turning-bolt lock core comprises adjustable revolving tongue lock core and rotary turning-bolt lock core.

5. one according to claim 1 hidden core chain lock lock body structure, is characterized in that: the solid pellet of reinforcing that the pellet in described lock core adopts solid copper body to get.