CN206903394U

CN206903394U - Anti-theft lock

Info

Publication number: CN206903394U
Application number: CN201720722236.5U
Authority: CN
Inventors: 魏祖旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2018-01-19
Anticipated expiration: 2027-06-20

Abstract

The utility model discloses a kind of anti-theft lock, including hollow housing, transmission cylinder is rotatably provided with the housing, lock gall is rotatably set in the transmission cylinder, 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 with the card base for extending into two sides in lockhole, and a spring or shell fragment are provided between two card holder；When key inserts, 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 to match with bar-shaped trough is provided with the transmission cylinder, the holding tank to match with the bar hole is provided with the housing, a transmission bar is resiliently arranged in holding tank and bar hole.The advantages of the utility model, which has, can prevent strength from unlocking and destructiveness is unlocked.

Description

Anti-theft lock

Technical field

Theftproof lock is the utility model is related to, more particularly, to a kind of theftproof lock that can prevent that strength from being unlocked and destructiveness is unlocked Core.

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 to be rotated by pellet to lock lock core, Each pellet group in lock is by two compositions, and during unlocking, the contact surface of two pellets overlaps with the contact surface of lock core and lock body, locks Core can rotate relative to lock body, and during locking, 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 problem of being latched in is easily 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 contact surface of their contact surface all with lock core and lock body overlap.In addition, on this tapered end Lockhole is located in the middle part of lock core and passes 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 quickly be opened lock with specific purpose tool.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 above-mentioned deficiency be present, the security performance of this spring lock and Theftproof performance is all bad.

Utility model content

The shortcomings that to overcome prior art, the utility model purpose are that strength unlocking and destructiveness can be prevented by providing one kind The anti-theft lock of unlocking.

The utility model realized by following technical measures, a kind of anti-theft lock, including hollow housing, the housing It is interior it is rotatable be provided with transmission cylinder, rotatable in the transmission cylinder to set lock gall, the lock gall is provided centrally with lockhole, described The side of lock gall is axially arranged a bar-shaped trough, and spaced radial is provided with a plurality of breach through bar-shaped trough, institute on the lock gall The depth for stating breach is less than the diameter and connection lockhole of lock gall, and a scissor buckle, the scissor card are placed with each breach Button is made up of two smooth card holders, and two card holders are respectively arranged with the card base for extending into two sides in lockhole, are set between two card holder It is equipped with a spring or shell fragment；When key inserts lockhole, corresponding spoon tooth makes two card bases of corresponding scissor buckle open or close Hold together, so that spring or shell fragment deform and the upper end open of two card holders is matched with bar-shaped trough, be provided with the transmission cylinder The bar hole to match with bar-shaped trough, the holding tank to match with the bar hole, a transmission bar bullet are provided with the housing Property be arranged in holding tank and bar hole；When matched key insertion makes the opening position of each scissor buckle, the transmission bar leaves Holding tank is fallen into bar-shaped trough and connects lock gall and transmission cylinder, and transmission cylinder is driven when lock gall rotates and is rotated, is set on the transmission cylinder Striking gear is equipped with, 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 the corresponding slanted bar for sliding and being caught in the skewed slot；When matched key makes each scissor buckle opening in place, Slanted bar is slipped 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 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, at least two marble holes are provided with the lock gall, bullet is accommodated 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 bar surface.

As a kind of preferred embodiment, two sets of transmission cylinders and lock gall are arranged at intervals with the housing, is set between two transmission cylinders 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 key lever, and insertion key lever 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 the wave shape groove for being arranged on key lever surface, is inserted Entering key lever 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 among 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.

After the utility model with the supporting key of the lock core in use, insert lockhole, the key bit on its surface makes each scissors The opening face bar-shaped trough of shape buckle, transmission bar leave holding tank and fall into bar-shaped trough and connect lock gall and transmission cylinder, work as rotation Transmission cylinder concomitant rotation during lock gall, transmission cylinder drive striking gear to stir dead bolt unlocking.When the key of insertion is unworthy of with the lock core During set, the key bit of surfaces of keys makes the opening of at least one scissor buckle be less or more than holding tank, and transmission bar will not fall Enter in bar-shaped trough, transmission bar is between holding tank and bar hole, and when now rotating lock gall, lock gall can rotate, but transmission cylinder and shell Body fixation will not rotate, so as to which lock gall dallies and can not unlock.The utility model using by lock gall due to being rotatably provided in biography In dynamic cylinder, housing and transmission cylinder or transmission cylinder and lock gall are connected using the different sliding positions for being driven bar, so as to realize transmission Clutch between cylinder and lock gall, while striking gear drives work by transmission cylinder, if unlocked using non-matching key, insertion lock Lock gall can only be driven to dally after core, it is impossible to which the transmission cylinder for being connected with striking gear rotates, and external force can not be acted on by lock gall Striking gear, so as to thoroughly solve the problem that strength is unlocked and destructiveness is unlocked, further increase the theftproof performance of lock.

Brief description of the drawings

Fig. 1 is the decomposition texture schematic diagram of the utility model embodiment 1；

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

Fig. 3 is schematic diagram when the utility model embodiment 1 inserts matched key；

Fig. 4 is that the utility model embodiment 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 utility model embodiment 1 with slanted bar；

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

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

Embodiment

With reference to embodiment and compare accompanying drawing the utility model is described in further detail.

In embodiment 1, a kind of anti-theft lock refer to Fig. 1 to Fig. 5, including hollow housing 500, in the housing 500 Two transmission cylinders 400 rotatably are arranged at intervals with, is provided with and can be driven by transmission cylinder 400 by jump ring 800 between two transmission cylinders 400 Its thumb wheel 900 rotated, rotatable in each transmission cylinder 400 to set lock gall 100, the lock gall 100 is provided centrally with lockhole 103, the side of the lock gall 100 is axially arranged a bar-shaped trough 101, and spaced radial is provided with a plurality of pass through on the lock gall 100 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 of lock gall 100, each breach A scissor buckle 200 is placed with 102, the scissor buckle 200 is made up of two smooth card holders 201, and two card holders 201 are divided The card base 204 for extending into two sides in lockhole is not provided with, and a spring 203 is provided between two card holder 201 (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 corresponding scissor card Two card bases 204 of button 200 open or closed up, so that spring 203 compresses and makes the opening and bar-shaped trough of the upper end of two card holders 201 101 are matched, and the bar hole 401 to match with bar-shaped trough 101 is provided with the transmission cylinder 400, is set on the housing 500 There is the holding tank 502 to match 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 uses after the key 600 supporting with the lock core inserts lockhole 103, each scissor buckle 201 Card base 204 collapsed in the wave shape groove on key lever surface, and the opening face bar-shaped trough of each scissor buckle 201 can be made 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 drive thumb wheel 900 to rotate and stir dead bolt unlocking.When insertion key with When the lock core does not match, 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 rotate, but transmission cylinder 400 will not rotate with the fixation of housing 500, so as to which 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 be driven after inserting lock core Lock gall 100 dallies, it is impossible to which the transmission cylinder 400 for being connected with striking gear rotates, and external force can not be acted on thumb wheel by lock gall 100 900, so as to thoroughly solve the problem that strength is unlocked and destructiveness is unlocked, 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 the corresponding breach of transmission bar 300 is provided with skewed slot 301, and the card holder 202 of the scissor buckle in the breach is provided with It is corresponding to slide 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 arranged into symmetrical Two, and be also relatively set with two card holders 202, and further, allow the slanted bar elder generation Contact Transmission bar 300 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 among each card holder 202 Shape through hole, the pressing plate 205 that relative can insert the elongated side of through hole two of other side is provided with card holder 202, 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 is 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 key lever, and insertion key lever 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 the utility model anti-theft lock, it is used to help understand the utility model, but this practicality New embodiment is simultaneously not restricted to the described embodiments, it is any without departing from the change made under the utility model principle, repair Decorations, substitute, combine, simplifying, should be equivalent substitute mode, be included within the scope of protection of the utility model.

Claims

A kind of 1. anti-theft lock, it is characterised in that：Including hollow housing, transmission cylinder, institute are rotatably provided with the housing State 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 arranged one Bar-shaped trough, spaced radial is provided with a plurality of breach through bar-shaped trough on the lock gall, and the depth of the breach is less than lock gall Diameter and connection lockhole, are placed with a scissor buckle in each breach, and the scissor buckle is made up of two smooth card holders, and two Card holder is respectively arranged with the card base for extending into two sides in lockhole, and a spring or shell fragment are provided between two card holder；Work as key When inserting lockhole, corresponding spoon tooth makes two card bases of corresponding 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 to match with bar-shaped trough is provided with the transmission cylinder, The holding tank to match 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 cylinder is driven when lock gall rotates and is rotated, striking gear is provided with the transmission cylinder, it is 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 are provided with the corresponding slanted bar for sliding and 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 has the scissor card of slanted bar after lockhole dial-out 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 Hole, spring and pellet is accommodated in 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 Cylinder and lock gall, the thumb wheel that can be driven its rotation is provided between 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 key lever open 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 key lever surface, insertion key lever 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 among two card holders of the scissor buckle An elongated through hole is not provided with, and the pressing plate for the elongated through hole side that relative can insert relative card holder, spring are provided with each card holder Or shell fragment elastic compression is arranged between two pressing plates.