CN2434396Y

CN2434396Y - Improved coffers lock

Info

Publication number: CN2434396Y
Application number: CN 00245664
Authority: CN
Inventors: 郭晋宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-02
Filing date: 2000-08-02
Publication date: 2001-06-13
Anticipated expiration: 2010-08-02

Abstract

The utility model relates to an improved coffer lock, which is not only provided with a linkage type lock core mechanism on a door body, but also provided with at least one group of safety lock mechanism composed of a frangible board surface, a pull rope, a guide and an elastic buckle, wherein the frangible board surface is fixedly arranged on the position near the linkage type lock core mechanism. One end of the pull rope is fixed onto the fragile board surface, and the other end of the pull rope is connected with an elastic ejecting tongue of the elastic buckle through a guide wheel of the guide. The guide is fixed onto the door body by hot melt material, the elastic buckle is fixed onto the door body, and the elastic ejecting tongue of the elastic buckle is just corresponding to a buckle groove of a coffer bolt. When the coffer door is knocked by an external force or is welded and broken by high temperature, the pull rope is released, and the elastic ejecting tongue is made to be fastened on the coffer bolt, so the coffer door can not be opened.

Description

Improved national treasury door lock

The utility model relates to a kind of national treasury door lock, particularly relates to a kind of having concurrently and prevents that external force from knocking the compound national treasury door lock that freezes and destroy with high temperature.

Prevent illegal purpose of opening in order to reach, general national treasury door lock all designs different lock down systems and adopts several different unlatching steps, perhaps inserts key driven in synchronism lock core device by a plurality of keys hole of different parts on the lockset and could open.Yet though this national treasury door lock has safety preferably, the key of control unlatching national treasury still is the coordinated type lock core mechanism of national treasury door body inside.That is, above-mentioned each lock down system and multiple different anti-theft measures such as unlatching step, final this coordinated type lock core mechanism that all must start could rotate the national treasury wheel shape turning handle of portion outdoors smoothly, makes the locking bolt displacement and opens the national treasury door.Thereby it is most important that this coordinated type lock core mechanism promptly becomes the national treasury door lock, also is the part of most fragile, for being familiar with the thieves or robbers who act under cover of night of this skill, only need managing to understand the position of this lock core mechanism and with its destruction, just might open the national treasury door smoothly.

In addition, though traditional national treasury door body can and be difficult for by outside destroy by special firm material manufacturing, but only need as previously mentioned thump with external force at coordinated type lock core mechanism position, or with the instrument of freezing with door body partial cut, can destroy this lock core mechanism and reach the purpose of opening national treasury.Yet traditional national treasury door there is no any effective precautionary measures at above-mentioned external force is thumped and high temperature freezes.

In view of this, the inventor actively sets about research, and the improvement that the phase can be in addition suitable to the national treasury door lock is to improve the security performance of national treasury door.

The purpose of this utility model promptly is to provide a kind of having concurrently to prevent that external force from knocking the compound national treasury door lock that freezes and destroy with high temperature.

To achieve these goals, the utility model is being provided with on the national treasury door body of coordinated type lock core mechanism, and other is provided with at least one group and buckles the safe lock mechanism that constitutes by easy slashings face, stay cord, guide and elasticity.Easily the slashings face is fixedly arranged on the position near coordinated type lock core mechanism, and an end of stay cord is fixed on the easy slashings face, and the other end connects the elasticity of elasticity button and penetrates tongue via the guide wheel of guide; Guide utilizes hot melt material to be fixed on the national treasury door body; The elasticity button is fixed on the national treasury door body, and its elasticity is penetrated tongue then just corresponding to the catching groove on the national treasury keeper.

For the safe lock mechanism of design like this, when national treasury door body is subjected to external force and knocks, easily the slashings face will make elasticity penetrate tongue to be fastened on the national treasury keeper, the national treasury door can't be opened because of knocking broken and therefore discharging stay cord.Or, when being subjected to outside high temperature, the national treasury door freezes when destroying, and the guide hot melt material will be melted and discharge stay cord and make elasticity penetrate tongue and be fastened on the national treasury keeper, the national treasury door can't be opened.

Be described in further detail below in conjunction with the technical characterictic of specific embodiment the improved national treasury door lock of the utility model.

Fig. 1 is the elevation of the improved national treasury door lock of the utility model;

Fig. 2 is the vertical view of the improved national treasury door lock of the utility model;

Fig. 3, Fig. 4 are respectively the longitudinal plan and the drawing in side sectional elevation of elasticity button.

With reference to illustrated in figures 1 and 2, the improved national treasury door lock of the utility model is except that being provided with the coordinated type lock core mechanism 13 on national treasury door body 10, also is provided with at least one group and buckles 30 safe lock mechanism that constitute by easy slashings face 20, stay cord 21, guide 22 and elasticity.

National treasury every body 10 is except that being provided with coordinated type lock core mechanism 13 as its lock control center, other is provided with locking bolt 11 and is connected with cross slide 12, the end of cross slide 12 is by coordinated type lock core mechanism 13 lock controls location, or when coordinated type lock core mechanism 13 is correctly opened, can be by wheel shape turning handle 14 controls that are positioned at a body 10 outsides, driving slides 12 by wheel shape turning handle 14 pushes in the locking bolt 11 and moves, and can open the national treasury door, as shown in Figure 1, or drive slides 12 by wheel shape turning handle 14 and push locking bolts 11 and outwards protrude out fastening the national treasury door, sealed again lock core mechanism 13 and make national treasury door safety interlocking.

The two ends up and down of above-mentioned locking bolt 11 are respectively equipped with horizontal expansion section 15, and extension 15 is provided with catching groove 16 and corresponds respectively to elasticity button 30 described later.In addition, the end of extension, top 15 can be done lock control action sealed or that discharge to locking bolt 11 by timing mechanism 17 by another timing mechanism 17 controls in the predefined time, and this is a prior art, and this case is not given unnecessary details in addition.

With reference to illustrated in figures 1 and 2, easily slashings face 20 is installed in the position near coordinated type lock core mechanism 13, for example in the space between lock core mechanism 13 and door body 10 internal faces.One end of stay cord 21 is fixed on the easy slashings face 20, the other end is guided the end that the elasticity that is connected in elasticity button 30 is penetrated tongue 32 via the guide wheel on a plurality of guides 22 23, as shown in Figure 3 and Figure 4, guide 22 1 ends are provided with guide wheel 23, and the other end then utilizes hot melt material (as scolding tin) to be fixed in appropriate location on the body 10.Elasticity button 30 is fixed on the body 10, and its elasticity is penetrated the catching groove 16 of tongue 32 corresponding to aforementioned locking bolt 11 extensions 15, as shown in Figure 1.

The structure of elasticity button 30 comprises that mainly pedestal 31, elasticity penetrates tongue 32 and spring 33 as shown in Figure 3 and Figure 4.Pedestal 31 locks on the body 10 admittedly; Elasticity is penetrated tongue 32 and is arranged in the pedestal 31 and the retractable sliding motion; Spring 33 is located in the pedestal 31 elasticity and is penetrated between tongue 32 and the pedestal 31 and make elasticity penetrate tongue 32 and have the elasticity that protrudes out forward.Elasticity is penetrated the end of tongue 32 and by retaining element 34 end of stay cord 21 is consolidated locking bit, and the side that elasticity is penetrated tongue 32 is concaved with a slotted eye 37 and a ccontaining spring 32 and a removable pin 36 in slotted eye 37.Pedestal 31 internal faces corresponding to slotted eye 37 are provided with groove 38, are solid locking bit state so that removable pin 36 can protrude out to wherein and make elasticity to penetrate tongue 32.

For above-mentioned safe lock mechanism, when the national treasury door is in normal condition following time, the elasticity of each elasticity button 30 penetrate that tongue 32 is all strained by stay cord 21 and in close at pedestal 31; When the locking of control national treasury door, because of locking bolt 11 outwards protrudes out, in close at pedestal 31 elasticity penetrate tongue 32 front ends just corresponding to catching groove 16, so promptly started the safety latch mechanism.

When national treasury every body 10 is subjected to improper external force and knocks, when particularly coordinated type lock core mechanism 13 position gravity being knocked, easy slashings face 20 will be knocked and fragmentation, promptly discharging stay cord 21 makes elasticity buckle 30 elasticity to penetrate tongue 32 and protrude out and be fastened on catching groove 16, even so locking bolt 11 is located and can not be moved, thereby can't open the national treasury door.Simultaneously, penetrate tongue 32 because of elasticity and outwards protrude out, elasticity is penetrated the removable pin 36 of tongue 32 inside also because of the tension force of spring 35 convexedly stretches in the groove 38 just, and makes elasticity button 30 also be solid locking bit state, and pulling stay cord 21 can not be opened elasticity and buckle 30.

Again, when national treasury every body 10 is subjected to outside high temperature to freeze destruction, the high temperature that freezes will reach guide 22 via door body 10, make the hot melt material Yin Gaowen on the guide 22 and melt, promptly discharging stay cord 21 makes elasticity buckle 30 elasticity to penetrate tongue 32 and be fastened on catching groove 16, make elasticity button 30 also for solid locking bit simultaneously, the national treasury door can't be opened, reach safety interlocking state same as described above.

Above-mentioned easy slashings face 20 can for example be made by glass by the material manufacturing that destroys because of gravity.

In sum, the improved national treasury door latch structure of the utility model is simple, assembling is easy, can be installed on the existing all kinds of national treasury doors, with the effect of the improper external force of improving the precaution.For this reason, propose patent application in accordance with the law, earnestly ask the examination and approval early of an ancient unit of weight office.

Claims

1, a kind of improved national treasury door lock, the door body is provided with locking bolt and coordinated type lock core mechanism, and locking bolt is connected with cross slide, and the slide end pushes by coordinated type lock core mechanism location or by the control of door external body wheel shape turning handle; Of the present utility modelly be characterised in that described door body is provided with at least one group and buckles the safe lock mechanism that constitutes by easy slashings face, stay cord, guide and elasticity, easily the slashings face is installed in the position near coordinated type lock core mechanism, one end of stay cord is fixed on the easy slashings face, the other end is guided the elasticity that is connected in the elasticity button via the propelling sheave of a plurality of guides and is penetrated the tongue end, one end of guide is provided with propelling sheave, and the other end utilizes hot melt material to be fixed in appropriate location on the body; The upper and lower side of described locking bolt is respectively equipped with the extending transversely section, and each extending transversely section is provided with and the corresponding catching groove of elasticity button.

2, improved national treasury door lock according to claim 1 is characterized in that described elasticity button is penetrated tongue by pedestal, elasticity and spring constitutes; Pedestal locks on the body admittedly, and elasticity is penetrated tongue and is arranged in the pedestal and the retractable slippage, and spring is located at base interior elasticity and is penetrated between tongue and the pedestal; Elasticity is penetrated the end of tongue and by retaining element the end of stay cord is consolidated locking bit, the side that elasticity is penetrated tongue is concaved with a slotted eye, be equipped with a spring and a removable pin in the slotted eye, be provided with and protrude out the groove that removable pin is worked in coordination corresponding to the base internal wall face of slotted eye.

3, improved national treasury door lock according to claim 1 is characterized in that described hot melt material is a scolding tin.

4, improved national treasury door lock according to claim 1 is characterized in that described easy slashings face made by glass.