CN205976793U

CN205976793U - Shutter door lock

Info

Publication number: CN205976793U
Application number: CN201620974810.1U
Authority: CN
Inventors: 温实现
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-29
Filing date: 2016-08-29
Publication date: 2017-02-22
Anticipated expiration: 2026-08-29

Abstract

The utility model provides a shutter door lock, because it is through going up, ka tai on the locking plate of lower locking plate group inserts down respectively, lock a door in going up the locking bayonet socket on the sliding block, in the time of need unblanking or lock a door, the rotation makes the corresponding position of establishing tartar above that promote after inserting the key, locking plate group toward outside swing down, thereby make the ka tai on the locking plate leave, the last locking bayonet socket of lower sliding block, an and then left side when continue rotating the key, right side slider promotes the boss and just can promote, lower sliding block withdrawal or to the base outside stretching out toward the base in, reach the mesh of unblanking or locking a door, even in inserting the key hole with speciality tool like this, there be not the ka tai with on the locking plate to leave, under the condition of lower sliding block's locking bayonet socket, just can't continue to rotate to unblank, consequently the utility model discloses a rational in infrastructure, theftproof nature is high.

Description

Shutter door lock

Technical field

This utility model is related to a kind of shutter door lock.

Background technology

Current shutter door lock is all by being located at tooth bar inside a pair of slide block to be connected with duplicate gear, key being inserted Rotate key after entering lock core to make duplicate gear rotate, duplicate gear drives this slide block is stretched to reach to both sides respectively to lock a door Effect, unlock key is inverted；But this by way of duplicate gear carries movable slider to stretch to both sides and lock a door, than It is easier to be inserted into special tool(s) to rotate duplicate gear in keyhole by people, reach the purpose stolen of unlocking, and this Shutter door lock is also easily unlocked by violence, and the anti-theft of therefore current shutter door lock is than relatively low.

Content of the invention

The purpose of this utility model is to be to overcome the deficiencies in the prior art, there is provided a kind of rational in infrastructure, anti-theft is high Shutter door lock.

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

A kind of shutter door lock, including base, base cover plate, key and be arranged on upper and lower sliding shoe in base and upper, Lower lock sheet groups, described key case spatula bar and a pair of tartar being symmetrically arranged at spoon bar both sides, this is inserting towards spoon bar to tartar Enter and on beyond end, be respectively equipped with left and right slipper push boss, described left and right slipper push boss exceeds the highest of tartar End；Several locking bayonet sockets and the left and right slipper push boss pendulum supplying key respectively are equipped with described upper and lower sliding shoe Enter slipper push groove therein, the side wall of the described base left and right sides is provided with and stretches out for upper and lower sliding shoe outer end respectively To outside bar hole；Described base is provided with a pair respectively supply this upper and lower lock sheet groups around swing connecting post, described Upper and lower lock sheet groups all include polylith locking plate stacked together, all locking plates are provided with and can be inserted into respectively under normal conditions The chuck in locking bayonet socket on upper and lower sliding shoe and have and promote them when rotating key for the correspondence position of tartar The breach of side oscillation outward；Chuck on all locking plates of described upper and lower lock sheet groups is respectively clamped into the same of this upper and lower sliding shoe In one locking bayonet socket；Described upper and lower lock sheet groups are also respectively connected with make they down, top shoe direction reset swing Back-moving spring.

In the improvement project to above-mentioned shutter door lock, anti-technology is additionally provided with all locking plates and opens boss, described Upper and lower sliding shoe on be additionally provided with several anti-technology and open chuck, the angle that described upper collet group swings outward is more than correct When key operated during the pendulum angle of locking plate, the anti-technology on its locking plate is opened boss and can be kept off and prevents in the one of of this top shoe Technology is opened on the side wall of chuck；The angle of oscillation of locking plate when the angle that described lower lock sheet groups swing outward is more than correctly key operated When spending, the anti-technology on its locking plate is opened boss and can be kept off on the side wall of the one of anti-technology unlatching chuck of this sliding block.

In the improvement project to above-mentioned shutter door lock, positioning gear platform is provided with the side wall of the chuck of all locking plates.

Compared with prior art, the beneficial effects of the utility model are：Because it is by by the locking plate of upper and lower lock sheet groups On the locking bayonet socket that is inserted respectively on upper and lower sliding shoe of chuck in lock a door, when needing to unlock or lock a door, insert key Rotate the correspondence position promotion upper and lower lock sheet groups side oscillation outward making to be located at tartar thereon afterwards, so that the card on locking plate Platform leaves the locking bayonet socket on upper and lower sliding shoe, and when being then further continued for rotating key, left and right slipper push boss just can promote Upper and lower sliding shoe is retracted toward in base or is stretched out to base exterior, to reach the purpose unlocked or lock a door that is to say, that unlocking Or after will first making the chuck on locking plate leave the locking bayonet socket on upper and lower sliding shoe during locking a door, just can be rotated further key Spoon stretches out to promote upper and lower sliding shoe to retract toward in base or to base exterior, accordingly even when being inserted into key with special tool(s) Kong Zhong, in the case of the locking bayonet socket that the chuck on locking plate is not left upper and lower sliding shoe, just cannot be rotated further out Lock, therefore of the present utility model rational in infrastructure, anti-theft is high.

【Brief description】

Fig. 1 is schematic perspective view of the present utility model；

Fig. 2 is schematic perspective view of the present utility model（Without upper bed-plate cover plate, and upper and lower lock sheet groups only load onto list During individual locking plate）；

Fig. 3 is assembling schematic diagram of the present utility model（Only illustrate upper and lower lock sheet groups single locking plate when）；

Fig. 4 is the schematic perspective view of this utility model key.

【Specific embodiment】

A kind of shutter door lock, as shown in Figures 1 to 4, including base 1, base cover plate 2, key 3 and be arranged in base 1 Upper and lower sliding shoe 4,5 and upper and lower lock sheet groups 6,7, described key 3 includes spoon bar 31 and is symmetrically arranged at spoon bar 31 both sides A pair of tartar 32, this tartar 32 is respectively equipped with towards beyond spoon bar insertion end left and right slipper push boss 33, 34, described left and right slipper push boss 33,34 exceeds the most significant end of tartar 32；On described upper and lower sliding shoe 4,5 all Be provided with several locking bayonet sockets 41,51 and respectively the left and right slipper push boss 33,34 for key 3 swing in slide block therein and push away Dynamic groove 42,52, is provided with the side wall of described base 1 left and right sides and externally protrudes for upper and lower sliding shoe 4,5 outer ends respectively Bar hole 11,12；Described base 1 is provided with a pair respectively supply this upper and lower lock sheet groups 6,7 around swing connecting post 13, described upper and lower lock sheet groups 6,7 all include polylith locking plate stacked together, in embodiment as shown in Figure 1, 2, only Illustrate the single locking plate of upper and lower lock sheet groups；All locking plates are provided with can be inserted into respectively under normal conditions upper and lower sliding shoe 4, The chuck in locking bayonet socket 41,51 on 5 and have and promote them outward when rotating key for the correspondence position of tartar 32 The breach of side oscillation；Chuck on all locking plates of described upper and lower lock sheet groups 6,7 is respectively clamped into this upper and lower sliding shoe 5,4 In same locking bayonet socket 51,41；Described upper and lower lock sheet groups 6,7 have been also respectively connected with make they down, top shoe direction Reset the back-moving spring 8,9 swinging.This utility model when mounted, first upper and lower sliding shoe 4,5 is symmetrically installed in base 1 Upper and lower both sides, and so that their outer end is externally protruded after the bar hole 11,12 of base 1 arranged on left and right sides passes through respectively, Then all locking plates of upper collet group 6 are nested in that connecting post on the left side, and all locking plates of lower lock sheet groups 7 are inserted in To in that connecting post on the right, so that the chuck 61 on the locking plate of upper collet group 6 is inserted in locking bayonet socket 51 on downslide motion block 5 In, the chuck 71 on the locking plate of lower lock sheet groups 7 is inserted in the locking bayonet socket 41 on sliding shoe 4；Then remote in upper and lower lock sheet groups Load onto back-moving spring 8,9 respectively from that one end of its swinging end, finally base cover plate 2 is installed on base 1, thus will roll up Each part of gate lock assembles.When using, rotating spoon bar 31 after insertion key 3, at this moment the tartar 32 of its both sides is right Answer position gradually to drop into respectively in the breach 62,72 of the corresponding locking plate of upper and lower lock sheet groups 6,7, be rotated further tartar 32 during key Correspondence position act against upper and lower lock sheet groups 6,7 the breach 62,72 of locking plate on, thus promote all locking plates around with they That connecting post 13 side oscillation outward each connecting, makes the chuck 61,71 on the locking plate of upper and lower lock sheet groups 6,7 leave upper and lower Locking bayonet socket on sliding shoe, meanwhile the left and right slipper push boss 33,34 of spoon bar 31 both sides respectively fall in upper and lower In slipper push groove 42,52 on sliding shoe 4,5, when being further continued for rotating key 3, left and right slipper push boss 33,34 just can Upper and lower promotion sliding shoe 5,6 is promoted to move toward arranged on left and right sides respectively, the correspondence position of tartar 32 is not after key turns one are enclosed Contact with the breach 62,72 of the locking plate of upper and lower lock sheet groups 6,7 again, at this moment upper and lower lock sheet groups will be connected with each of which Back-moving spring in the presence of down, top shoe direction reset swing, make the chuck on all locking plates of upper and lower lock sheet groups 6,7 61st, 71 it is respectively clamped in the next stage locking bayonet socket on this upper and lower sliding shoe 5,4, at this moment key turns exceed half-turn, when it When being rotated further, just now acted on the tartar of upper collet group and top shoe and slipper push boss start to act on lower lock sheet groups and On sliding block, and act on the tartar of lower lock sheet groups and sliding block and slipper push boss then starts to act on upper collet group and upper To carry out locking a door of next stage on slide block, to rotate key till cannot being rotated further by thus by some circles, thus will roll up Gate locks；In the same manner when unlocking, rotate toward the rightabout locked a door after inserting a key into.

From the aforegoing it can be seen that this utility model be by the chuck on the locking plate of upper and lower lock sheet groups is inserted respectively into down, Come to lock a door in locking bayonet socket on upper sliding shoe, when needing to unlock or lock a door, rotating after insertion key makes to be located at tooth thereon The correspondence position of flower promotes the side oscillation outward of upper and lower lock sheet groups, so that the chuck on locking plate is left on upper and lower sliding shoe Locking bayonet socket, when being then further continued for rotating key, left and right slipper push boss just can promote upper and lower sliding shoe to inside contract toward base Return or stretch out to base exterior, to reach the purpose unlocked or lock a door that is to say, that unlocking or will first making during locking a door After chuck on locking plate leaves the locking bayonet socket on upper and lower sliding shoe, just can be rotated further key to promote upper and lower sliding shoe past Retract in base or stretch out to base exterior, accordingly even when being inserted in keyhole with special tool(s), not by locking plate Chuck locks in the case of leaving in bayonet socket from upper and lower sliding shoe, just cannot be rotated further to unlock, therefore this utility model Rational in infrastructure, anti-theft is high.

In the present embodiment, as shown in Figure 2,3, anti-technology is additionally provided with all locking plates and opens boss 10, described Several anti-technology are additionally provided with upper and lower sliding shoe 4,5 and open chuck 43,53, the angle that described upper collet group 6 swings outward is big When correctly key operated during the pendulum angle of locking plate, the anti-technology on its locking plate open boss can keep off this top shoe 4 its In an anti-technology open on the side wall of chuck 43；When the angle that described lower lock sheet groups 7 swing outward is more than correctly key operated During the pendulum angle of locking plate, the anti-technology that the anti-technology unlatching boss on its locking plate can keep off in this sliding block 5 opens chuck 53 On the wall of side；So under the state of locking a door, when lawless person wants by technology opening door lock, the locking plate of upper and lower lock sheet groups 6,7 swings Angle be easy for excessive, even if the chuck 61,71 then on all locking plates of upper and lower lock sheet groups 6,7 can be from upper and lower cunning Locking bayonet socket 51,41 abjection in motion block 5,4, and the anti-technology on the locking plate of upper and lower lock sheet groups 6,7 is opened boss 10 and is held very much Easily keep off respectively and opening on the side wall of chuck 43,53 in the anti-technology on upper and lower sliding shoe 4,5, even in all locking plates Anti- technology on one of locking plate open boss gear on anti-technology on sliding shoe 5 open chuck 43 or downslide motion block 5 Anti- technology open on the side wall of chuck 53, the purpose of anti-technology unlocking can be reached, thus further increasing this practicality New anti-theft.

As shown in figure 3, being provided with positioning gear platform A on the side wall of the chuck of all locking plates, such key one-level one-level is opened When, swinging although itself angle and slide block between changes with locking plate, but only it is located at more than positioning gear platform all the time That section of chuck just can be inserted in the locking chuck of respective slide block so that when unlocking step by step locking plate amplitude of fluctuation basic Cause, it is to avoid chuck is inserted too deep and affected key operated dynamics and reliability.

Although this utility model is described in detail with reference to above example, by the disclosure for people in the art Member is it is readily apparent that and the situation in the principle of the present utility model limiting without departing from described claim and scope Under, this utility model can be made a variety of changes or change.Therefore, the detailed description of the embodiment of the present disclosure is only used for explaining, and It is not intended to limit this utility model, but be defined by the subject-matter of the claims the scope of protection.

Claims

1. a kind of shutter door lock is it is characterised in that include base（1）, base cover plate（2）, key（3）And it is arranged on base （1）Interior upper and lower sliding shoe（4、5）With upper and lower lock sheet groups（6、7）, described key（3）Including spoon bar（31）Be symmetrically arranged at Spoon bar（31）A pair of tartar of both sides（32）, this is to tartar（32）Be respectively equipped with towards beyond spoon bar insertion end a left side, Right slipper push boss（33、34）, described left and right slipper push boss（33、34）Beyond tartar（32）Most significant end；Institute The upper and lower sliding shoe stated（4、5）On be equipped with several lock bayonet socket（41、51）Supply key respectively（3）Left and right slide block push away Dynamic boss（33、34）Swing in slipper push groove therein（42、52）, in described base（1）The side wall of the left and right sides is provided with Supply upper and lower sliding shoe respectively（4、5）The bar hole that outer end externally protrudes（11、12）；In described base（1）It is provided with a pair Supply this upper and lower lock sheet groups respectively（6、7）Around swing connecting post（13）, described upper and lower lock sheet groups（6、7）All include polylith Locking plate stacked together, is provided with all locking plates and can be inserted into upper and lower sliding shoe under normal conditions respectively（4、5）On locking Bayonet socket（41、51）In chuck and have rotate key when supply tartar（32）Correspondence position promote their side-sways outward Dynamic breach；Described upper and lower lock sheet groups（6、7）All locking plates on chuck be respectively clamped into this upper and lower sliding shoe（5、4）'s Same locking bayonet socket（51、41）In；In described upper and lower lock sheet groups（6、7）On be also respectively connected with make they down, top shoe （5、4）The back-moving spring that direction reset swings（8、9）.

2. shutter door lock according to claim 1 opens boss it is characterised in that being additionally provided with anti-technology on all locking plates （10）, in described upper and lower sliding shoe（4、5）On be additionally provided with several anti-technology and open chuck（43、53）, described upper collet group （6）When the angle swinging outward is more than correctly key operated during the pendulum angle of locking plate, the anti-technology on its locking plate opens boss Can keep off in this top shoe（4）One of anti-technology open chuck（43）Side wall on；Described lower lock sheet groups（7）Swing outward Angle when being more than correctly key operated during the pendulum angle of locking plate, the anti-technology on its locking plate is opened boss and can be kept off in this downslide Block（5）One of anti-technology open on the side wall of chuck (53).

3. shutter door lock according to claim 1 and 2 is it is characterised in that be provided with the side wall of the chuck of all locking plates Positioning gear platform.