CN2152859Y - Anti-picking double-safety latch cylinder lock - Google Patents

Abstract

The utility model relates to an anti-prizing double-safety cylinder plug lock which is a cylinder plug lock for double-leaf doors. The utility model is composed of a lock body, a lock bolt, a cylinder lock core and a lock tongue, wherein, the lock body is divided into a lock bolt inserting tube and a lock bolt tube. Two inner lock cores are embedded on the wall of the lock bolt tube, the cylinder lock core and the lock tongue are both arranged on the inner lock cores, and the lock bolt is inserted in the lock bolt tube and the two inner lock cores. The lock can be opened only by twisting the cylinder lock cores by using two keys simultaneously. The utility model has the advantages of simpler structure, convenient installation and use, and high safety performance.

Description

Anti-picking double-safety latch cylinder lock

A kind of pick-proof dual fail-safe of the utility model pellet shot from a slingshot plug-inserting lock relates to a kind of lockset, and the pellet shot from a slingshot plug-inserting lock that specifically a kind of suitable double door is used is made up of lock body, locking bolt, lock cylinder and dead bolt.

I was the pick-proof pellet shot from a slingshot plug-inserting lock that a kind of suitable double door is used to the utility model patent " pick-proof pellet shot from a slingshot plug-inserting lock " (number of patent application is 92240218.3) of Patent Office of the People's Republic of China's application once, had pick-proof performance preferably.Consider vast grange gate, especially many critical facilitys, place, for example mostly the gate in workshop, warehouse is to adopt the double door structure, in order to improve safety, often need to take double-lock structure, in this case, as use above-mentioned two cover pick-proof pellet shot from a slingshot plug-inserting locks, the complex structure that just seems, and use also convenient inadequately.

The purpose of this utility model overcomes above-mentioned the deficiencies in the prior art exactly, discloses a kind of structure of pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock, is applied on the double door, have simple in structure, the advantage that safety performance is strong.

A kind of pick-proof dual fail-safe of the utility model pellet shot from a slingshot plug-inserting lock, form by lock body, locking bolt, lock cylinder and dead bolt, the technical scheme that realizes the utility model purpose is: lock body is divided into two sections of locking bolt intubate and locking bolt pipes, a locking bolt spring is housed in the locking bolt intubate, in locking bolt pipe front bulkhead, be installed with a preceding inner lock core, inner lock core be installed with one in locking bolt pipe aft bulkhead after, locking bolt are inserted in locking bolt pipe, preceding inner lock core and the back inner lock core, and locking bolt is provided with one section locking bolt stopper slot; On the inner lock core, preceding dead bolt was interlock with preceding lock cylinder and locking bolt stopper slot front end face respectively, is pressed with a preceding dead bolt stage clip on the preceding dead bolt before preceding lock cylinder and preceding dead bolt all were arranged on; Back lock cylinder and back dead bolt all are arranged on the inner lock core of back, and back dead bolt is interlock with the back rear end of lock cylinder and locking bolt respectively, be pressed with one on the back dead bolt after the dead bolt stage clip; Be installed with a locking bolt spacer pin in the locking bolt pipe, locking bolt spacer pin one end is stretched in the locking bolt stopper slot on locking bolt; Each fixedly is equipped with a lock body installing plate on locking bolt intubate and locking bolt pipe homonymy outer wall, and the lock body installing plate is provided with the installation screw.

When using the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock,, use erection bolt,, locking bolt intubate and locking bolt pipe are fixedly mounted on respectively on the lateral surface of two door leafs by the installation screw on the lock body installing plate from two door leaf inboards.Lock cylinder and back lock cylinder before the user turns with two different keys, before lock cylinder and back lock cylinder promote respectively before dead bolt and back dead bolt overcome before dead bolt stage clip and back dead bolt stage clip elastic force and move down, preceding dead bolt and locking bolt stopper slot front end face break away from interlock, the rear end of back dead bolt and locking bolt breaks away from interlock, and locking bolt can be left and right mobile in locking bolt pipe, preceding inner lock core and back inner lock core.When locking a door, locking bolt is inserted in the locking bolt intubate, and when the front end face of the locking bolt stopper slot on current dead bolt and the locking bolt was interlock, back dead bolt also just was interlock with the rear end of locking bolt, thereby the locking bolt spring in the fixing locking bolt, this moment locking bolt intubate has been subjected to certain compression of locking bolt; When unblanking, lock cylinder and back lock cylinder before the user must turn respectively with two keys, thereby dead bolt and back dead bolt move down respectively and all break away from interlock with the front end face of locking bolt stopper slot and the rear end of locking bolt before promoting, locking bolt promptly can move outside the locking bolt intubate under the elastic force effect of locking bolt spring, locking bolt withdraws from the locking bolt intubate fully, and door leaf just can have been opened.The locking bolt spacer pin can limit locking bolt when all breaking away from interlock with preceding dead bolt and back dead bolt, and locking bolt can only be left and right mobile in locking bolt stopper slot length range, and unlikely the past inner lock core or back inner lock core are deviate from.In sum, the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock is installed on the intraparietal inner lock core of lock because lock cylinder and dead bolt all are mounted in, and its marble spring and sealing all of dead bolt stage clip are enclosed in the lock body, and are difficult for destroyed; Simultaneously and since on the locking bolt pipe insert be two inner lock cores, must improve the safety performance of the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock greatly with two keys when unblanking.On the other hand, the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock is to be provided with two cover lock cylinder mechanisms on a lock body simultaneously, and is therefore simple in structure, easy to install and use.In a word, the structure of the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock has realized the purpose of this utility model preferably.

Below in conjunction with accompanying drawing the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock and embodiment are described in further detail.

Fig. 1 is the sectional structure schematic diagram of an embodiment of the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock.

Fig. 2 for the A of Fig. 1 to overlooking cross-sectional view.

A kind of pick-proof dual fail-safe of the utility model pellet shot from a slingshot plug-inserting lock is made up of lock body, locking bolt, lock cylinder and dead bolt, as an embodiment, as illustrated in fig. 1 and 2, lock body is divided into 6 two sections of locking bolt intubate 1 and locking bolt pipes, a locking bolt spring 2 is housed in locking bolt intubate 1, in locking bolt pipe 6 front bulkheads, be installed with a preceding inner lock core 18, inner lock core 12 after in locking bolt pipe 6 aft bulkheads, being installed with one, locking bolt 3 is inserted in locking bolt pipe 6, preceding inner lock core 18 and the back inner lock core 12, and locking bolt 3 is provided with one section locking bolt stopper slot 14; On the inner lock core 18, preceding dead bolt 5 was interlock with preceding lock cylinder 4 and locking bolt stopper slot 14 front end faces respectively, is pressed with a preceding dead bolt stage clip 15 on the preceding dead bolt 5 before preceding lock cylinder 4 and preceding dead bolt 5 all were arranged on; Back lock cylinder 7 and back dead bolt 8 all are arranged on the inner lock core 12 of back, and back dead bolt 8 is interlock with the back rear end of lock cylinder 7 and locking bolt 3 respectively, be pressed with one on the back dead bolt 8 after dead bolt stage clip 9; Be installed with a locking bolt spacer pin 13 in locking bolt pipe 6, locking bolt spacer pin 13 1 ends are stretched in the locking bolt stopper slot 14 on locking bolt 3; Each fixedly is equipped with a lock body installing plate 21 on locking bolt intubate 1 and locking bolt pipe 6 homonymy outer walls, and lock body installing plate 21 is provided with installs screw 20.Use the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock, installation is from two door leaf inboards, use erection bolt, by the installation screw 20 on the lock body installing plate 21, locking bolt intubate 1 and locking bolt pipe 6 are fixedly mounted on respectively on the lateral surface of two door leafs, lock body installing plate 21 can be to weld respectively to be installed on locking bolt intubate 1 and the locking bolt pipe 6, and lock body is installed reliable, but pick-proof, anti-saw.Respectively key is inserted in preceding lock cylinder 4 and the back lock cylinder 7, the elastic force that overcomes marble spring 16,10 is depressed pellet shot from a slingshot 17,11, lock cylinder 4 and back lock cylinder 7 before can turning, the elastic force of dead bolt stage clip 15 and back dead bolt stage clip 9 and moving down before dead bolt 5 and back dead bolt 8 overcome before promoting respectively, preceding dead bolt 5 breaks away from interlock with the front end face of locking bolt stopper slot 14, back dead bolt 8 breaks away from interlock with the rear end of locking bolt 3, and locking bolt 3 can be left and right mobile in locking bolt pipe 6, preceding inner lock core 18 and back inner lock core 12.When locking a door, locking bolt 3 is inserted in the locking bolt intubate 1, be interlock fixedly during locking bolt 3 thereby the front end face of current dead bolt 5 and locking bolt stopper slot 14 is the rear end of interlock, back dead bolt 8 and locking bolt 3, locking bolt intubate 1 interior locking bolt spring 2 has been subjected to certain compression of locking bolt 3; When unblanking, lock cylinder 4 and back lock cylinder 7 before turning with two keys simultaneously, dead bolt 5 and back dead bolt 8 all move down with the front end face of locking bolt stopper slot 14 and the rear end of locking bolt 3 and break away from interlock before making, locking bolt 3 promptly can move outside locking bolt intubate 1 under the elastic force effect of locking bolt spring 2, locking bolt 3 withdraws from locking bolt intubate 1(user fully can spur locking bolt 3 from locking bolt 3 rear ends), door leaf just can have been opened.Locking bolt spacer pin 13 can limit locking bolt 3 when all breaking away from interlock with preceding dead bolt 5 and back dead bolt 8, and locking bolt 3 can only be left and right mobile in locking bolt stopper slot 14 length ranges, and unlikely the past inner lock core 18 or back inner lock core 12 are deviate from fully.

With preceding inner lock core 18 and the step that back inner lock core 12 is installed in locking bolt pipe 6 walls be: as illustrated in fig. 1 and 2, the opening cave groove that the locking bolt pipe 6 front-end and back-end walls of preceding inner lock core 18 and back inner lock core 12 being put into bolt 3 not with lock and locking bolt spacer pin 13 from locking bolt pipe 6 rear sides are provided with, successively turn back lock cylinder 7 and preceding lock cylinder 4 with key, back dead bolt 8 and preceding dead bolt 5 are moved down, can be with locking bolt 3 front ends from back inner lock core 12, through locking bolt pipe 6, last inner lock core 18 in the past passes, current dead bolt 5 is interlock with the front end face of locking bolt stopper slot 14, when the rear end of back dead bolt 8 and locking bolt 3 is occlusal position, the key of can backing off, under the elastic force effect of preceding dead bolt stage clip 15 and back dead bolt stage clip 9, preceding dead bolt 5 and back dead bolt 8 are fixedly locking bolt 3 of interlock, at last locking bolt spacer pin 13 is contained on locking bolt pipe 6 walls and locking bolt spacer pin 13 1 ends are stretched in the locking bolt stopper slot 14 on the locking bolt 3, fixedly the locking bolt spacer pin 13, and installation process finishes.

For making things convenient for the open and close door leaf, as an embodiment preferably, as shown in Figure 2, preferably also each fixedly is equipped with handle 19 to the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock on locking bolt intubate 1 and locking bolt pipe 6 homonymy outer walls, for example is on welding.Like this, the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock is housed on door leaf, just needn't be again on door leaf, install in addition and shaken hands, but the user can utilize the handle 19 open and close door leaf just on the utility model pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock, brings convenience to the user.

Claims (2)

1, a kind of pick-proof dual fail-safe pellet shot from a slingshot plug-inserting lock, form by lock body, locking bolt, lock cylinder and dead bolt, it is characterized in that lock body is divided into (6) two sections of locking bolt intubate (1) and locking bolt pipes, a locking bolt spring (2) is housed in locking bolt intubate (1), in locking bolt pipe (6) front bulkhead, be installed with a preceding inner lock core (18), inner lock core (12) after in locking bolt pipe (6) aft bulkhead, being installed with one, locking bolt (3) is inserted in locking bolt pipe (6), preceding inner lock core (18) and the back inner lock core (12), and locking bolt (3) is provided with one section locking bolt stopper slot (14); Preceding lock cylinder (4) and preceding dead bolt (5) all are arranged on the preceding inner lock core (18), and preceding dead bolt (5) is interlock with preceding lock cylinder (4) and locking bolt stopper slot (14) front end face respectively, is pressed with a preceding dead bolt stage clip (15) on the preceding dead bolt (5); Back lock cylinder (7) and back dead bolt (8) all are arranged on back inner lock core (12), and back dead bolt (8) is interlock with the back rear end of lock cylinder (7) and locking bolt (3) respectively, be pressed with one on the back dead bolt (8) after dead bolt stage clip (9); Be installed with a locking bolt spacer pin (13) in locking bolt pipe (6), locking bolt spacer pin (13) one ends are stretched in the locking bolt stopper slot (14) on locking bolt (3); Each fixedly is equipped with a lock body installing plate (21) on locking bolt intubate (1) and locking bolt pipe (6) homonymy outer wall, and lock body installing plate (21) is provided with installs screw (20).

2,, it is characterized in that also each fixedly is equipped with handle (19) on locking bolt intubate (1) and locking bolt pipe (6) homonymy outer wall according to the described pick-proof dual fail-safe of claim 1 pellet shot from a slingshot plug-inserting lock.

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