CN107269125A

CN107269125A - Anti-theft lock

Info

Publication number: CN107269125A
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: 2017-10-20
Anticipated expiration: 2037-06-20
Also published as: CN107269125B; WO2018232770A1

Abstract

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

Description

Anti-theft lock

Technical field

The present invention relates to theftproof lock, it can prevent strength from unlocking and the destructive anti-theft lock unlocked more particularly, to a kind of.

Background technology

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 that lock core rotation is locked by pellet, Each pellet group in lock is by two compositions, and during 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, during locking, and the contact surface of the contact surface and lock core and lock body of two pellets is misaligned, due to pellet Barrier effect, lock core cannot rotate.This is easily to be opened with the unlocking tool set of non-matching key the problem of be latched in, 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 contact surface of their contact surface all with lock core and lock body overlap.In addition, on this tapered end Lockhole be located at lock core in the middle part of pass through lock core center line, the installation site of shift fork on lockhole, with unlocking tool by lockhole outside Under the strike of power, lock core shift fork can be washed out, then be opened lock with specific purpose tool is quick.With the tapered end supporting key its There is guide groove on the two sides of key piece, and tartar is located at the side of key piece.Because there is above-mentioned deficiency, the security performance of this spring lock and Theftproof performance is all bad.

The content of the invention

To overcome the shortcoming of prior art, present invention aims at provide one kind to prevent strength from unlocking and destructive unlocking Anti-theft lock.

The present invention realized by following technical measures, a kind of anti-theft lock, including hollow housing, can in the housing Rotation be provided with transmission cylinder, the transmission cylinder it is rotatable lock gall is set, the lock gall is provided centrally with lockhole, the lock gall Side it is axially arranged there is on a bar-shaped trough, the lock gall spaced radial be provided with a plurality of breach through bar-shaped trough, it is described to lack Mouthful depth be less than the diameter and connection lockhole of lock gall, is placed with a scissor buckle in each breach, the scissor buckle by Two smooth card holder compositions, two card holders are respectively arranged between the card base for extending into two sides in lockhole, two card holder and are provided with One spring or shell fragment；When key inserts lockhole, corresponding spoon tooth makes two card bases of correspondence scissor buckle open or close up, from And deform spring or shell fragment and the upper end open of two card holders and bar-shaped trough is matched, it is provided with the transmission cylinder and bar shaped The holding tank matched with the bar hole is provided with the bar hole that groove matches, the housing, a transmission bar elasticity is set In holding tank and bar hole；When matched key insertion makes the opening position of each scissor buckle, the transmission bar leaves holding tank Fall into bar-shaped trough and connect lock gall and transmission cylinder, transmission transmission cylinder is rotated when lock gall is rotated, and is provided with and is dialled on the transmission cylinder Dynamic device, the striking gear rotates and stirs dead bolt unlocking.

As a kind of preferred embodiment, the transmission bar at least corresponds to a breach and is provided with skewed slot, in the breach Scissor buckle is provided with correspondence and slides the slanted bar for being caught in the skewed slot；When matched key makes each scissor buckle open in place, Slanted bar is slipped into skewed slot, and the matched key is after lockhole dial-out, and the scissor with slanted bar is buckled in the bullet of spring or shell fragment Property restoring force under promote skewed slot and make transmission bar upward sliding depart from lock gall bar-shaped trough.

As a kind of preferred embodiment, the skewed slot of the transmission bar is to be symmetricly set on two below transmission bar.

As a kind of preferred embodiment, it is provided with the lock gall at least two marble holes, the marble hole and accommodates bullet Spring and pellet, described pellet one end offset with spring, and the other end of the pellet is pressed on transmission bar surface.

As a kind of preferred embodiment, it is arranged at intervals between two sets of transmission cylinders and lock gall, two transmission cylinders and sets in the housing The thumb wheel of its rotation can be driven by being equipped with.

As a kind of preferred embodiment, the tail end of the transmission cylinder is provided with a finger.

As a kind of preferred embodiment, the key bit of the matched key is arranged on two sides of spoon bar, and insertion spoon bar makes two cards Pin opens, so that spring or shell fragment deform and make the upper end of two card holders is relative to open.

As a kind of preferred embodiment, the key bit of the matched key is to be arranged on spoon wave shape groove on bar surface, is inserted Entering a spoon bar closes up two card bases, so that spring or shell fragment deform and make the upper end of two card holders is relative to open.

As a kind of preferred embodiment, an elongated through hole is respectively arranged with the middle of two card holders of the scissor buckle, each card The pressing plate for the elongated through hole side that relative can insert relative card holder is provided with frame, spring or shell fragment elastic compression are arranged on two pressures Between plate.

The present invention with the supporting key of the lock core in use, insert after lockhole, the key bit on its surface makes each scissor card The opening of button is just to bar-shaped trough, and transmission bar leaves holding tank and falls into bar-shaped trough and connect lock gall and transmission cylinder, when rotation lock gall When transmission cylinder concomitant rotation, transmission cylinder drive striking gear stir dead bolt unlocking.When the key of insertion is not matched with the lock core, The key bit of surfaces of keys makes the opening less or more than holding tank of at least one scissor buckle, and transmission bar will not fall into bar shaped In groove, transmission bar is between holding tank and bar hole, and when now rotating lock gall, lock gall can be rotated, but transmission cylinder is fixed with housing It will not rotate, so that lock gall dallies and can not unlocked.The present invention is due to using lock gall is rotatably provided in transmission cylinder, utilizing It is driven the different sliding positions of bar to connect housing and transmission cylinder or transmission cylinder and lock gall, so as 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 be driven after insertion lock core Lock gall is dallied, it is impossible to which the transmission cylinder for being connected with striking gear is rotated, and external force can not be acted on striking gear by lock gall, so that Thoroughly solve strength to unlock and the destructive problem unlocked, further increase the theftproof performance of lock.

Brief description of the drawings

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 inserts matched key；

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

Fig. 5 is the decomposing schematic representation of scissor buckle of the embodiment of the present invention 1 with slanted bar；

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

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

Embodiment

With reference to embodiment and compare accompanying drawing the present invention is described in further detail.

In embodiment 1, a kind of anti-theft lock refer in Fig. 1 to Fig. 5, including hollow housing 500, the housing 500 Rotatable be arranged at intervals between two transmission cylinders 400, two transmission cylinders 400 is provided with by jump ring 800 and can be driven by transmission cylinder 400 Its thumb wheel 900 rotated, rotatable in each transmission cylinder 400 set lock gall 100, the lock gall 100 is provided centrally with lockhole 103, the side of the lock gall 100 is axially arranged to have spaced radial on a bar-shaped trough 101, the lock gall 100 to be provided with a plurality of pass through The breach 102 of bar-shaped trough 101 is worn, the depth of the breach 102 is less than the diameter and connection lockhole 103, each breach of lock gall 100 A scissor buckle 200 is placed with 102, the scissor buckle 200 is made up of two smooth card holders 201, two 201 points of card holders It is not provided between the card base 204 for extending into two sides in lockhole, two card holder 201 and is provided with a spring 203 (in other implementations The elastic constructions such as shell fragment have been may also set up in example)；When key 600 inserts lockhole 101, corresponding spoon tooth makes correspondence scissor card Two card bases 204 of button 200 open or closed up, so that spring 203 compresses and made the opening and bar-shaped trough of the upper end of two card holders 201 101 match, and are provided with the bar hole 401 matched with bar-shaped trough 101, the housing 500 and set on the transmission cylinder 400 There is the holding tank 502 matched with the bar hole 401, a transmission bar 300 is resiliently arranged in holding tank 501 and bar hole 401 It is interior.

When this anti-theft lock is used after the key 600 supporting with the lock core inserts lockhole 103, each scissor buckle 201 Card base 204 drawn in the wave shape groove on spoon bar surface, and the opening of each scissor buckle 201 can be made just to bar-shaped trough 101, transmission bar 300 leaves holding tank 502 and falls into bar-shaped trough 101 and connect lock gall 100 and transmission cylinder 400, when rotation lock gall The concomitant rotation of transmission cylinder 400 when 100, transmission cylinder 400 drives thumb wheel 900 to rotate and stirs dead bolt unlocking.When insertion key with When the lock core is not matched, the key bit of surfaces of keys makes the opening of at least one scissor buckle be less or more than holding tank 502, Transmission bar 300 will not fall into bar-shaped trough 101, and transmission bar 300 now rotates lock gall between holding tank 502 and bar hole 401 When 100, lock gall 100 can be rotated, but transmission cylinder 400 will not be rotated with the fixation of housing 500, so that lock gall 100 dallies and can not opened Lock.This lock core is due to using lock gall 100 is rotatably provided in transmission cylinder 400, utilizing the different sliding positions for being driven bar 300 To connect housing 500 and transmission cylinder 400 or transmission cylinder 400 and lock gall 100, so as 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 insertion lock core Lock gall 100 is dallied, it is impossible to which the transmission cylinder 400 for being connected with striking gear is rotated, and external force can not be acted on thumb wheel by lock gall 100 900, unlocked and the destructive problem unlocked so as to thoroughly solve strength, further increase the theftproof performance of lock.

In the embodiment 1 of anti-theft lock, Fig. 1 to Fig. 5 is refer to, specifically can be with the basis of previous technique scheme It is that transmission one breach of correspondence of bar 300 is provided with skewed slot 301, and the card holder 202 of the scissor buckle in the breach is provided with Correspondence slides the slanted bar for being caught in the skewed slot 301.When key 600 is transferred to out of lockhole 103, card holder 202 is in the restoring force of spring 203 In the presence of its slanted bar compressing skewed slot 301 make the upward sliding of transmission bar 300, transmission bar 300 leaves bar-shaped trough 101 and falls into holding tank In 502 and housing 500 and transmission cylinder 400 are connected, so that position when lock core returns to beginning.In order to avoid other scissor cards The opening sidewalls compressing transmission bar 300 of button, increases its frictional force moved up, the skewed slot 301 for being driven bar 300 is set to symmetrically Two, and be also relatively set with two card holders 202, and further, allow the first Contact Transmission bar 300 of slanted bar of card holder 202 Skewed slot 301.

In the embodiment 1 of anti-theft lock, Fig. 5 is refer to, it is specific it is also possible that cutting on the basis of previous technique scheme From the point of view of the concrete structure of knife-edge buckle is with the scissor buckle of the card holder 202 with slanted bar, a length is provided with the middle of each card holder 202 Being provided with shape through hole, card holder 202 relative can insert the pressing plate 205 of the elongated side of through hole two of other side, and the elastic compression of spring 203 is set Between two pressing plates 205.

In the embodiment 1 of anti-theft lock, Fig. 1 to Fig. 4 is refer to, specifically can be with the basis of previous technique scheme It is that two marble holes 501 are provided with 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 bar 300 surface, the other end of spring 702 It is pressed on a screw 701 being threaded in marble hole 501.

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

In the embodiment 2 of anti-theft lock, Fig. 6 to Fig. 7 is refer to, specifically can be with the basis of previous technique scheme It is that matched key 600a key bit is arranged on two sides of spoon bar, and insertion spoon bar opens two card base 204a, so that spring becomes Shape simultaneously makes the upper end of two card holders is relative to open.

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

Claims

1. a kind of anti-theft lock, it is characterised in that：Including hollow housing, transmission cylinder rotatably is provided with the housing, institute State in transmission cylinder it is rotatable lock gall is set, the lock gall is provided centrally with lockhole, and the side of the lock gall is axially arranged one Spaced radial is provided with a plurality of breach through bar-shaped trough on bar-shaped trough, the lock gall, and the depth of the breach is less than lock gall A scissor buckle is placed with diameter and connection lockhole, each breach, the scissor buckle is made up of two smooth card holders, two Card holder is respectively arranged between the card base for extending into two sides in lockhole, two card holder and is provided with a spring or shell fragment；Work as key When inserting lockhole, corresponding spoon tooth makes two card bases of correspondence scissor buckle open or close up, so that spring or shell fragment deformation And the upper end open of two card holders is matched with bar-shaped trough, the bar hole matched with bar-shaped trough is provided with the transmission cylinder, The holding tank matched with the bar hole is provided with the housing, a transmission bar is resiliently arranged in holding tank and bar hole It is interior；When matched key insertion makes the opening position of each scissor buckle, the transmission bar leaves holding tank and falls into bar-shaped trough and connect Lock gall and transmission cylinder are connect, transmission transmission cylinder is rotated when lock gall is rotated, and striking gear is provided with the transmission cylinder, described to stir dress Put rotation and stir dead bolt unlocking.

2. anti-theft lock according to claim 1, it is characterised in that：The transmission bar at least corresponds to a breach and is provided with Skewed slot, the scissor buckle in the breach is provided with correspondence and slides the slanted bar for being caught in the skewed slot；Matched key makes respectively to cut When knife-edge buckle is opened in place, slanted bar is slipped into skewed slot, and the matched key is after lockhole dial-out, the scissor card with slanted bar It is buckled in the bar-shaped trough that skewed slot is promoted under the elastic-restoring force of spring or shell fragment and makes transmission bar upward sliding depart from lock gall.

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

4. anti-theft lock according to claim 1 or 2, it is characterised in that：At least two pellets are provided with the lock gall Spring and pellet are accommodated in hole, the marble hole, described pellet one end is offseted with spring, and the other end of the pellet is pressed on It is driven bar surface.

5. anti-theft lock according to claim 1 or 2, it is characterised in that：Two sets of transmissions are arranged at intervals with the housing The thumb wheel of its rotation can be driven by being provided between cylinder and lock gall, two transmission cylinders.

6. anti-theft lock according to claim 1 or 2, it is characterised in that：The tail end of the transmission cylinder is provided with a finger.

7. anti-theft lock according to claim 1 or 2, it is characterised in that：The key bit of the matched key is arranged on spoon Two sides of bar, insertion spoon bar opens two card bases, so that spring or shell fragment deform and make the upper end of two card holders is relative to open.

8. anti-theft lock according to claim 1 or 2, it is characterised in that：The key bit of the matched key is to be arranged on The wave shape groove on spoon bar surface, insertion spoon bar closes up two card bases, so that spring or shell fragment deform and make the upper of two card holders End is relative to open.

9. anti-theft lock according to claim 1 or 2, it is characterised in that：Divide in the middle of two card holders of the scissor buckle The pressing plate that the elongated through hole side that relative can insert relative card holder is provided with an elongated through hole, each card holder, spring are not provided with Or shell fragment elastic compression is arranged between two pressing plates.