CN107269125B

CN107269125B - Anti-theft lock

Info

Publication number: CN107269125B
Application number: CN201710471215.5A
Authority: CN
Inventors: 魏祖旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2019-08-09
Anticipated expiration: 2037-06-20
Also published as: CN107269125A; WO2018232770A1

Abstract

The invention discloses a kind of anti-theft locks, including hollow shell, transmission cylinder is rotatably provided in the shell, lock gall is rotatably set in the transmission cylinder, the side of the lock gall is axially provided with a strip groove, spaced radial is provided with a plurality of notch through strip groove on the lock gall, scissor buckle is placed in each notch, the scissor buckle is made of two smooth card holders, two card holders are respectively arranged with the card base for extending into two sides in lockhole, are provided with a spring or elastic slice between two card holder；When key is inserted into, spoon tooth makes two card bases of corresponding scissor buckle open or close up, to make spring or elastic slice deform and the upper end opening of two card holders is made to match with strip groove, the strip-shaped hole to match with strip groove is provided on the transmission cylinder, the holding tank to match with the strip-shaped hole is provided on the shell, a transmission item is resiliently arranged in holding tank and strip-shaped hole.The present invention has the advantages that can prevent strength from unlocking unlocks with destructive.

Description

Anti-theft lock

Technical field

The present invention relates to theftproof locks, can prevent the anti-theft lock that strength is unlocked and destructiveness is unlocked more particularly, to a kind of.

Background technique

Property and information security issue are always the problem that all trades and professions are paid much attention to, so the application of lock is nowhere not , spring lock is always the most widely used product, and common cylinder lock is to be rotated by pellet to lock lock core, Each pellet group in lock is formed by two, and when unlocking, the contact surface of two pellets is overlapped with the contact surface of lock core and lock body, lock Core can be rotated relative to lock body, and when locking, the contact surface of two pellets is not overlapped with the contact surface of lock core and lock body, due to pellet Barrier effect, lock core cannot rotate.This problem of being latched in is to be easy to be opened with the unlocking tool set of non-matching key, Such as skeleton key, Unlocking gun, because these unlocking tools can make two pellets of each pellet group one by one in lock core and lock body Contact surface at misplace, until their contact surface is all overlapped with the contact surface of lock core and lock body.In addition, on this tapered end Lockhole is located at by lock core center line in the middle part of lock core, and the installation site of shift fork passes through lockhole outside on lockhole, with unlocking tool Under the strike of power, lock core shift fork can be washed out, then quickly be opened lock with specific purpose tool.Key matched with the tapered end its There is guide groove on the two sides of key piece, and tartar is located at the side of key piece.Because there are above-mentioned deficiency, the security performance of this spring lock and Anti-theft performance is all bad.

Summary of the invention

In order to overcome the shortcomings of the prior art, it can prevent strength from unlocking and destructive unlocking it is an object of that present invention to provide a kind of Anti-theft lock.

The present invention realizes that a kind of anti-theft lock can in the shell including hollow shell by following technical measures Rotation is provided with transmission cylinder, lock gall is rotatably arranged in the transmission cylinder, the lock gall is provided centrally with lockhole, the lock gall Side be axially provided with a strip groove, spaced radial is provided with a plurality of notch through strip groove on the lock gall, described to lack Mouthful depth be less than the diameter and connection lockhole of lock gall, be placed with scissor buckle in each notch, the scissor buckle by Two smooth card holder compositions, two card holders are respectively arranged with the card base for extending into two sides in lockhole, are provided between two card holder One spring or elastic slice；When key is inserted into lockhole, corresponding spoon tooth makes two card bases of corresponding scissor buckle open or close up, from And deform spring or elastic slice and the upper end opening of two card holders is made to match with strip groove, it is provided on the transmission cylinder and bar shaped The strip-shaped hole that slot matches is provided with the holding tank to match with the strip-shaped hole, a transmission item elasticity setting on the shell In holding tank and strip-shaped hole；When matched key insertion makes the opening position of each scissor buckle, the transmission item leaves holding tank Lock gall and transmission cylinder are fallen into strip groove and connect, transmission transmission cylinder rotates when lock gall rotates, and is provided with and dials on the transmission cylinder Dynamic device, the striking gear rotate and stir lock tongue unlocking.

At least corresponding notch of the transmission item is provided with skewed slot as a preferred method, in the notch Scissor buckle is provided with the slanted bar that corresponding sliding is caught in the skewed slot；When matched key opens each scissor buckle in place, Slanted bar slides into skewed slot, and for the matched key after lockhole dial-out, the scissor with slanted bar is buckled in the bullet of spring or elastic slice Property restoring force under push skewed slot and transmission upward sliding made to be detached from the strip groove of lock gall.

The skewed slot of the transmission item is two be symmetricly set below transmission item as a preferred method,.

At least two marble holes are provided on the lock gall as a preferred method, accommodate bullet in the marble hole Spring and pellet, described pellet one end offset with spring, and the other end of the pellet is pressed on transmission surface.

Two sets of transmission cylinders and lock gall are arranged at intervals in the shell as a preferred method, is set between two transmission cylinders It is equipped with the thumb wheel that can be driven its rotation.

The tail end of the transmission cylinder is provided with a finger as a preferred method,.

Two sides of key lever are arranged in the key bit of the matched key as a preferred method, and insertion key lever makes two cards Foot opens, to make spring or elastic slice deform and make the upper end of two card holders is opposite to open.

The key bit of the matched key is the wave shape groove that key lever surface is arranged in as a preferred method, is inserted Entering key lever closes up two card bases, to make spring or elastic slice deform and make the upper end of two card holders is opposite to open.

It is respectively arranged with an elongated through-hole among two card holders of the scissor buckle as a preferred method, it is each to block The pressing plate that opposite can be placed in the elongated through-hole side of opposite card holder is provided on frame, spring or the setting of elastic slice elastic compression are in two pressures Between plate.

For the present invention in use, after key matched with lock core insertion lockhole, the key bit on surface makes each scissor card The opening face strip groove of button, transmission item leave holding tank and fall into strip groove and connect lock gall and transmission cylinder, when rotation lock gall When transmission cylinder rotate with it, transmission cylinder drive striking gear stir lock tongue unlocking.When the key of insertion and the lock core do not match, The opening that the key bit of surfaces of keys buckles at least one scissor is less or more than holding tank, and transmission item will not fall into bar shaped In slot, item is driven between holding tank and strip-shaped hole, and when rotating lock gall at this time, lock gall is able to rotate, but transmission cylinder is fixed with shell It not can rotate, so that lock gall dallies and cannot unlock.The present invention is due to utilizing using lock gall to be rotatably provided in transmission cylinder The different sliding positions of item are driven to connect shell and transmission cylinder or transmission cylinder and lock gall, to realize between transmission cylinder and lock gall Clutch, while striking gear drives work by transmission cylinder, if unlocked using non-matching key, can only drive after being inserted into lock core Lock gall idle running cannot be connected with the transmission cylinder rotation of striking gear, make external force that can not act on striking gear by lock gall, thus It thoroughly solves the problems, such as that strength is unlocked and destructiveness is unlocked, further improves the anti-theft performance of lock.

Detailed description of the invention

Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention 1；

Fig. 2 is the schematic diagram when insertion of the embodiment of the present invention 1 is unworthy of key kit；

Fig. 3 is the schematic diagram when embodiment of the present invention 1 is inserted into matched key；

Fig. 4 is the schematic diagram that the embodiment of the present invention 1 is driven that item is suspended from scissor buckle top；

Fig. 5 is the decomposition diagram of scissor buckle of the embodiment of the present invention 1 with slanted bar；

Fig. 6 is schematic diagram when 2 key of the embodiment of the present invention is not fully inserted into；

Fig. 7 is the schematic diagram that transmission item is caught in scissor snap open when the embodiment of the present invention 2 is inserted into matched key.

Specific embodiment

Below with reference to embodiment and compares attached drawing invention is further described in detail.

In embodiment 1, a kind of anti-theft lock please refers to Fig. 1 to Fig. 5, including hollow shell 500, in the shell 500 Two transmission cylinders 400 are rotatably arranged at intervals with, is provided with and can be driven by transmission cylinder 400 by circlip 800 between two transmission cylinders 400 Lock gall 100 is rotatably arranged in each transmission cylinder 400 in its thumb wheel 900 rotated, and the lock gall 100 is provided centrally with lockhole 103, the side of the lock gall 100 is axially provided with a strip groove 101, and spaced radial is provided with a plurality of pass through on the lock gall 100 The notch 102 of strip groove 101 is worn, the depth of the notch 102 is less than the diameter of lock gall 100 and connection lockhole 103, each notch Scissor buckle 200 is placed in 102, the scissor buckle 200 is made of two smooth card holders 201, and two card holders 201 are divided It is not provided with the card base 204 for extending into two sides in lockhole, a spring 203 is provided between two card holder 201 (in other implementations The elastic constructions such as elastic slice are may also set up in example)；When key 600 is inserted into lockhole 101, corresponding spoon tooth makes corresponding scissor card Two card bases 204 of button 200 open or close up, to make spring 203 compress and make the opening and strip groove of the upper end of two card holders 201 101 match, and the strip-shaped hole 401 to match with strip groove 101 is provided on the transmission cylinder 400, is arranged on the shell 500 There is the holding tank 502 to match with the strip-shaped hole 401, a transmission item 300 is resiliently arranged in holding tank 501 and strip-shaped hole 401 It is interior.

When this anti-theft lock uses after key 600 matched with the lock core is inserted into lockhole 103, each scissor buckle 201 Card base 204 collapsed in the wave shape groove on key lever surface, and the opening face strip groove of each scissor buckle 201 can be made 101, transmission item 300 leaves holding tank 502 and falls into strip groove 101 and connect lock gall 100 and transmission cylinder 400, when rotation lock gall Transmission cylinder 400 rotates with it when 100, and transmission cylinder 400 drives the rotation of thumb wheel 900 and stirs lock tongue unlocking.When insertion key with When the lock core does not match, the opening that the key bit of surfaces of keys buckles at least one scissor is less or more than holding tank 502, Transmission item 300 will not fall into strip groove 101, is driven item 300 between holding tank 502 and strip-shaped hole 401, rotates lock gall at this time When 100, lock gall 100 is able to rotate, but transmission cylinder 400 not can rotate with the fixation of shell 500, so that lock gall 100 dallies and cannot open Lock.This lock core is due to utilizing the different sliding positions of transmission item 300 using lock gall 100 to be rotatably provided in transmission cylinder 400 Shell 500 and transmission cylinder 400 or transmission cylinder 400 and lock gall 100 are connected, to realize between transmission cylinder 400 and lock gall 100 Clutch, while thumb wheel 900 drives work by transmission cylinder 400, if unlocked using non-matching key, can only drive after being inserted into lock core Lock gall 100 dallies, and the transmission cylinder 400 that cannot be connected with striking gear rotates, and makes external force that can not act on thumb wheel by lock gall 100 900, to thoroughly solve the problems, such as that strength is unlocked and destructiveness is unlocked, further improve the anti-theft performance of lock.

In the embodiment 1 of anti-theft lock, Fig. 1 to Fig. 5 is please referred to, it in front specifically can be on the basis of technical solution It is that the corresponding notch of transmission item 300 is provided with skewed slot 301, the card holder 202 of the scissor buckle in the notch is provided with Corresponding sliding is caught in the slanted bar of the skewed slot 301.When key 600 is transferred to out of lockhole 103, card holder 202 is in 203 restoring force of spring Under the action of its slanted bar compressing skewed slot 301 make to be driven 300 upward sliding of item, transmission item 300 leaves strip groove 101 and falls into holding tank In 502 and shell 500 and transmission cylinder 400 are connected, thus position when lock core being made to return to beginning.In order to avoid other scissor cards The opening sidewalls compressing transmission item 300 of button, increases its frictional force moved up, sets symmetrical for the skewed slot 301 for being driven item 300 Two, and be also relatively set with two card holders 202, and further, allow the slanted bar elder generation Contact Transmission item 300 of card holder 202 Skewed slot 301.

In the embodiment 1 of anti-theft lock, referring to FIG. 5, in front specifically it is also possible that cutting on the basis of technical solution From the point of view of the specific structure of knife-edge buckle is with the scissor buckle of the card holder 202 with slanted bar, it is long that one is provided among each card holder 202 Shape through-hole, be provided in card holder 202 can opposite merging two side of other side's elongated through-hole pressing plate 205, the setting of 203 elastic compression of spring Between two pressing plates 205.

In the embodiment 1 of anti-theft lock, please refer to figs. 1 to 4, in front specifically can be on the basis of technical solution It is to be provided with two marble holes 501 on lock gall 500, spring 702 and pellet 703, the bullet is accommodated in the marble hole 501 Sub 703 one end offset with spring 702, and the other end of the pellet 703 is pressed on transmission 300 surface of item, the other end of spring 702 It is pressed on the screw 701 that one is threaded in marble hole 501.

In the embodiment 2 of anti-theft lock, Fig. 6 to Fig. 7 is please referred to, embodiment 1 is different in, in shell 500a Transmission cylinder 400a and lock gall 100a is one, and the tail end of transmission cylinder 400a is provided with a finger 402a.

In the embodiment 2 of anti-theft lock, Fig. 6 to Fig. 7 is please referred to, it in front specifically can be on the basis of technical solution It is that two sides of key lever are arranged in the key bit of matched key 600a, and insertion key lever opens two card base 204a, so that spring be made to become Shape simultaneously makes the upper end of two card holders is opposite to open.

It is to be expounded to anti-theft lock of the present invention above, is used to help understand the present invention, but embodiment party of the invention Formula is simultaneously not restricted to the described embodiments, any without departing from change made under the principle of the invention, modification, substitution, combination, letter Change, should be equivalent substitute mode, be included within the scope of the present invention.

Claims

1. a kind of anti-theft lock, it is characterised in that: including hollow shell, transmission cylinder, institute are rotatably provided in the shell It states and lock gall is rotatably set in transmission cylinder, the lock gall is provided centrally with lockhole, and the side of the lock gall is axially provided with one Strip groove, spaced radial is provided with a plurality of notch through the strip groove on the lock gall, and the depth of the notch is less than institute The diameter of lock gall and connection lockhole are stated, scissor buckle is placed in each notch, the scissor buckle is by two smooth cards Frame composition, two card holders are respectively arranged with the card base for extending into two sides in lockhole, are provided with a spring or bullet between two card holder Piece；When key is inserted into the lockhole, corresponding spoon tooth makes two card bases of corresponding scissor buckle open or close up, to make bullet Spring or elastic slice deform and the upper end opening of two card holders are made to match with the strip groove, are provided on the transmission cylinder and the item The strip-shaped hole that shape slot matches, the holding tank to match with the strip-shaped hole is provided on the shell, and a transmission item elasticity is set It sets in the holding tank and the strip-shaped hole；Matched key insertion makes strip groove described in the opening face of each scissor buckle, The transmission item leaves the holding tank and falls into the strip groove and connect lock gall and transmission cylinder, and transmission cylinder turns when lock gall rotates It is dynamic, striking gear is provided on the transmission cylinder, the striking gear rotates and stirs lock tongue unlocking；It is provided on the shell At least two marble holes accommodate spring and pellet, one end of the spring in the marble hole and the bullet in the marble hole Son offsets, and the other end is pressed on the screw in the marble hole；At least corresponding notch of the transmission item is provided with skewed slot, Scissor buckle in the notch is provided with the slanted bar that corresponding sliding is caught in the skewed slot；Matched key makes each scissor card When button is opened in place, slanted bar is slid into skewed slot, and for the matched key after lockhole dial-out, the scissor with slanted bar is buckled in bullet Skewed slot is pushed under the elastic-restoring force of spring or elastic slice and makes the strip groove of transmission upward sliding disengaging lock gall.

2. anti-theft lock according to claim 1, it is characterised in that: the skewed slot of the transmission item is to be symmetricly set on transmission Two below item.

3. anti-theft lock according to claim 1, it is characterised in that: described pellet one end offsets with spring, the pellet The other end be pressed on transmission surface.

4. anti-theft lock according to claim 1, it is characterised in that: be arranged at intervals in the shell two sets of transmission cylinders and Lock gall is provided with the thumb wheel that can be driven its rotation between two transmission cylinders.

5. anti-theft lock according to claim 1, it is characterised in that: the tail end of the transmission cylinder is provided with a finger.

6. anti-theft lock according to claim 1, it is characterised in that: key lever is arranged in the key bit of the matched key Two sides, insertion key lever open two card bases, to make spring or elastic slice deform and make the upper end of two card holders is opposite to open.

7. anti-theft lock according to claim 1, it is characterised in that: the key bit of the matched key is to be arranged in key lever The wave shape groove on surface, insertion key lever closes up two card bases, to make spring or elastic slice deform and make the upper end phase of two card holders To opening.

8. anti-theft lock according to claim 1, it is characterised in that: set respectively among two card holders of the scissor buckle It is equipped with an elongated through-hole, the pressing plate that opposite can be placed in the elongated through-hole side of opposite card holder, spring or bullet are provided in each card holder Piece elastic compression is arranged between two pressing plates.