CN202611366U

CN202611366U - Master control lock

Info

Publication number: CN202611366U
Application number: CN 201220211979
Authority: CN
Inventors: 吴其良
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-26
Filing date: 2012-04-26
Publication date: 2012-12-19
Anticipated expiration: 2022-04-26

Abstract

A master control lock comprises a lock body and is characterized by further comprising a linkage elastic piece or pin, a retaining ring, an emergency shifting sheet and an emergency key. The linkage elastic piece or pin is movably limited in a step hole at the tail end of a plug, and a return spring is sleeved at the outer end of the linkage elastic piece or pin; the retaining ring is sleeved at the tail end of the plug and the outer end of the return spring, and a through hole for the linkage elastic piece or pin to penetrate through is arranged in the retaining ring; the emergency shifting sheet is sleeved outside the retaining ring, and a linkage gap into which the linkage elastic piece or pin can be inserted when the linkage elastic piece or pin pops up is arranged at an inside position corresponding to the position of the through hole of the retaining ring; and the end portion of the emergency key pushes the linkage elastic piece or pin to enter the linkage gap of the emergency shifting sheet to open an emergency mechanism. According to the master control lock, the structure is simple and reasonable, an emergency opening lock is not needed to be arranged additionally, and the emergency mechanism can be operated directly through the master control lock during the electronic password fault or the fingerprint identification error, hence, the usage is convenient, safe and effective, and the master control lock can be applicable to safe boxes, safe cases or safety gates with electronic password locks and fingerprint systems.

Description

A kind of master control lock

Technical field

The utility model relates to a kind of lockset, specifically is the master control lock of a kind of strongbox that is provided with electronic password lock or Fingerprint Lock, cabinet, safety door.

Background technology

The master control of strongbox, cabinet and safety door lock generally must be through Chinese safety technological guard authentication, and examines side through Ministry of Public Security's pattern; Reach mechanical anti-theft lock GAT73-94 standard-required, its secondary lock all adopts mechanical code lock, electronic password lock or Fingerprint Lock, is the Chinese patent " a kind of door lock " of CN00120708.3 like the patent No.; Be made up of master control lock and secondary controlling lock, said master control lockset has driver,, walk device, locking main body; The said device of walking has and walks axle and had one on each key seat by position pin with 1-5 by a position key seat, and the locking main body has the pin of walking and a 1-5 quilt pin-and-hole; The said pin of walking can move up and down in walking the hole; Can in by the position pin-and-hole, be moved up and down by the position pin, secondary controlling lock has passive locked body and 1-5 locked hole seat, has through hole on the said locked hole seat.The pair lock of this structure door lock is to adopt mechanical lock, and theftproof performance is not very high.Though and adopt electronic password lock, Fingerprint Lock to increase theftproof performance greatly; But because components and parts are; Must configuration emergency opening lock, the existing Plum blossom type lock that generally is the tubulose key, and its pick-proof, anti-drilling, anti-technical opening function are extremely low; So have high hidden danger, sternly influenced strongbox, wooden cabinet, the whole security performance of safety door.

The existing patent No. is the Chinese patent " a kind of strongbox lockset emergency opening structure " of CN201010197722.2, comprises electronic password lock and mechanical lock, and mechanical lock comprises main lock and emergent lock; Electronic password lock comprises the electromagnet core of tool elastic reset, and electromagnet core can stop and be separated from the catch of mechanical lock, and catch is fixed on the connecting rod; Locking bolt is fixed on connecting rod one side, and main lock core is fixed on plectrum one end, and the plectrum other end is connected in connecting rod; Emergent lock is made up of auxiliary lock core and secondary key, and auxiliary lock core is the mesopore circumferential, and auxiliary lock core is located at the main lock core periphery; Auxiliary lock core emergent plectrum one end that is connected, the emergent plectrum other end is positioned electromagnet core, and secondary key is hollow shape; The detachable spline of secondary key is sheathed on the master key, and this structure is made as two concentric lock cores with major and minor lock core, has easy to use and characteristics safely and effectively; But structure is complicated, and two lock cores need be set, and therefore also needs further to improve.

Summary of the invention

The utility model technical problem to be solved is that a kind of simple and reasonable, easy to use and master control safely and effectively lock is provided to the above-mentioned state of the art, need not to dispose in addition the emergency opening lock and can when electronic cipher fault or fingerprint are differentiated error, directly open through master control latching operation emergency mechanism.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of master control lock, comprise lock body, lock core and master key, and be provided with different differential blade or pellets shot from a slingshot in the lock core, it is characterized in that this master control lock also comprises:

One interlock pellet shot from a slingshot or pin is limited in the stepped hole of lock core tail end movably, is equipped with return spring in the outer end of interlock pellet shot from a slingshot or pin, makes it keep inside trend;

One back-up ring is placed on the lock core tail end, the outer end of return spring, and back-up ring is provided with the through hole that can supply to link pellet shot from a slingshot or pin place;

One emergent plectrum; One end in the form of a ring; Be placed on the back-up ring outside, and be provided with and corresponding the supplying of lead to the hole site of the back-up ring interlock breach that pellet shot from a slingshot or pin At time of eject plant that links at inner side, the other end of the plectrum of meeting an urgent need links to each other with the opening mechanism of electronic password lock or system of fingerprints;

One emergency key, its length is longer than master key, and has the grooved identical with master key, tartar and differential, through the interlock breach of its end promotion interlock pellet shot from a slingshot or the emergent plectrum of pin entering, realizes the unlatching of emergency mechanism.

As improvement, the tail end of said lock core is shaped to the step-like of undergauge, and said stepped hole is opened in a side of step; Be provided with in the stepped hole and be used for move son or pin of distich and carry out spacing stopper slot; Said interlock pellet shot from a slingshot or pin are provided with corresponding limited block, and said return spring is placed on the outer end of interlock pellet shot from a slingshot or pin, and an end and limited block offset; The other end and back-up ring inboard offset fixing, make interlock pellet shot from a slingshot or pin have the trend that inwardly stretches into lockhole all the time.

Improve, the inner end of said interlock pellet shot from a slingshot or pin is is convenient to the conical surface that emergency key inserts the back promotion again.

At last; The periphery of said emergent plectrum is provided with arc groove, between the step surface of deep-slotted chip breaker and lock core, is provided with alignment pin, and between lock core and emergent plectrum, is provided with torsion spring; Said torsion spring is nested with the tail end that is fixed in lock core, and an end of torsion spring is connected fixing with emergent plectrum.

Compared with prior art; The advantage of the utility model is: the tail end at lock core is provided with interlock pellet shot from a slingshot or pin, and back-up ring and the emergent plectrum that cooperates with interlock pellet shot from a slingshot meeting pin is set, when needing to open; As long as emergency key is inserted in the lock core; The interlock breach that promotes the emergent plectrum of interlock pellet shot from a slingshot or pin insertion just can conveniently be opened, and main lock adopts same lock core with the lock of meeting an urgent need, and need not to be provided with emergent lock again.The utility model is simple and reasonable, need not to dispose in addition emergency opening lock and can be directly through master control latching operation emergency mechanism when electronic cipher fault or fingerprint are differentiated error; Easy to use and safe and effective, applicable to the strongbox case, cabinet or the safety door that have electronic password lock, system of fingerprints.

Description of drawings

Fig. 1 is the structural representation of the utility model under emergency key insertion state;

Fig. 2 is the structural representation of the utility model under master key insertion state;

Fig. 3 is the STRUCTURE DECOMPOSITION figure of the utility model;

Fig. 4 is the cross sectional view of Fig. 1;

Fig. 5 is the structural representation of the interlock pellet shot from a slingshot of the utility model;

Fig. 6 is the structural representation of the emergent plectrum of the utility model;

Fig. 7 is the master key of the utility model and the structural representation of emergency key.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in the figure, a kind of master control lock comprises lock body 1, lock core 2, main driving lever 11, emergent plectrum 6, master key 10 and emergency key 9; Be provided with different differential blades 3 in the lock core 2; The tail end of lock core 2 is shaped to the step-like of undergauge, and a side of step offers stepped hole 21, has formed stopper slot 22 in the stepped hole 21; One links, and pellet shot from a slingshot 4 is spacing movably to be arranged in the stepped hole 21; Interlock pellet shot from a slingshot 4 is provided with the limited block 41 that cooperates with stopper slot 22, is equipped with return spring 7 in the outer end of interlock pellet shot from a slingshot 4, and an end and the limited block 41 of return spring 7 offset; The other end is fixing through the ring washer 5 that is nested with on lock core 2 tail end steps, makes interlock pellet shot from a slingshot 4 have the trend that inwardly stretches into lockhole all the time; The outside of ring washer 5 is equipped with emergent plectrum 6; Ring washer 5 is provided with the through hole 51 that the pellet shot from a slingshot 4 that can supply to link places; One end of emergent plectrum 6 is circular; Be placed on back-up ring 5 outsides, and be provided with and corresponding the supplying in through hole 51 positions of the back-up ring 5 interlock breach 61 that pellet shot from a slingshot 4 At time of ejects plant that links at inner side, the other end of emergent plectrum 6 links to each other with the opening mechanism of electronic password lock or system of fingerprints; Its length of emergency key 9 is longer than master key 10; And have grooved, the tartar and differential identical, have the tartar pellet shot from a slingshot 4 that promotes to link to get into the interlock breach 61 of emergent plectrum 6, realize the unlatching of emergency mechanism through its end with master key 10; Insertion for the ease of emergency key 9; The inner end of interlock pellet shot from a slingshot 4 is shaped to the conical surface, for the pellet shot from a slingshot 4 that links can be aimed at the interlock breach 61 of the plectrum 6 of meeting an urgent need, the periphery of the plectrum 6 of meeting an urgent need is provided with arc groove 62; Between the step surface of deep-slotted chip breaker 62 and lock core 2 tail ends, be provided with alignment pin 12; And between lock core 2 and emergent plectrum 6, torsion spring 8 is set, makes the interlock breach 61 of emergent plectrum 6 aim at interlock pellet shot from a slingshot 4, its end has tartar to promote 4 entering of interlock pellet shot from a slingshot to link in the breach 61 when guaranteeing the insertion of emergency key 9; Rotation through emergency key 9 drives emergent plectrum 6 rotations, and then opens emergency mechanism.

Its operating principle is such: as shown in Figure 2 when normally opening, master key 10 inserts lock cores 2, and blade 3 is in the critical surface of lock body lock core 2, imports electronic cipher again or by fingerprint, rotational lock core 2, and main driving lever 11 lead agencies are opened; During emergency opening, as shown in Figure 1, emergency key 9 is inserted lock core 2; Blade 3 is in the critical surface of lock body lock core equally, and it exceeds the head of master key 10, promotes interlock pellet shot from a slingshot 4; Interlock pellet shot from a slingshot 4 overcomes the elastic force of return spring 7, gets into the interlock breach 61 of emergent plectrum 6 through the through hole 51 of ring washer 5, this moment rotational lock core 2; When main driving lever 11 drove opening mechanism, emergent plectrum 6 overcame the torsion of torsion spring 8, and the control emergency mechanism is directly opened.

The interlock pellet shot from a slingshot 4 of the utility model also can adopt pin, and the blade 3 in the lock core 2 also can adopt pellet shot from a slingshot, and principle is similar.

Claims

1. a master control lock comprises lock body, lock core and master key, is provided with different differential blade or pellets shot from a slingshot in the lock core, it is characterized in that this master control lock also comprises:

2. master control lock according to claim 1; The tail end that it is characterized in that said lock core is shaped to the step-like of undergauge; Said stepped hole is opened in a side of step, be provided with in the stepped hole be used for distich move the son or pin carry out spacing stopper slot, said interlock pellet shot from a slingshot or pin are provided with corresponding limited block; Said return spring is placed on the outer end of interlock pellet shot from a slingshot or pin; One end and limited block offset, and the other end and back-up ring inboard offset fixing, make interlock pellet shot from a slingshot or pin have the trend that inwardly stretches into lockhole all the time.

3. master control lock according to claim 2 is characterized in that the inner end of said interlock pellet shot from a slingshot or pin is the conical surface of being convenient to emergency key insertion back promotion.

4. master control lock according to claim 1; The periphery that it is characterized in that said emergent plectrum is provided with arc groove; Between the step surface of deep-slotted chip breaker and lock core, be provided with alignment pin; And between lock core and emergent plectrum, be provided with torsion spring, said torsion spring is nested with the tail end that is fixed in lock core, and an end of torsion spring is connected fixing with emergent plectrum.