CN2238882Y - Anti-theft lock for storage house - Google Patents

Abstract

The utility model belongs to a lockset, particularly a pin type night lock for an outward swinging door. The anti-theft lock for a storage house is composed of a lock seat 1, a retaining seat 2 for a set bar, a lock sleeve 3, a lock head 4 with a set bar 10, and a key 5, wherein, the lock seat 1 is fixed on the outside of a door frame, the lock sleeve 3 is fixed on the edge of the door correspondingly to the lock seat 1, the lock head 4 penetrates through the lock sleeve 3 to enter the lock seat 1, and the set bar 10 arranged on the end of the lock head 4 tightly locks the door under the limit of the retaining seat 2 for a set bar positioned in the lock seat 1. The utility model has the advantages of simple structure, convenient installation and use, safety and reliability.

Description

The apotheca theftproof lock

The utility model belongs to a kind of lockset, especially relates to a kind of pin tumbler lock that is applicable to outward opening door.

At present, town dweller almost each household has apotheca, and in order not account for indoor limited usage space, the Men Junchao external-open draws, and locks a door and mostly use spring padlock.Because padlock all exposes, and is easy to suffer damage of external force, cause the apotheca theft to take place again and again.Patent Office of the People's Republic of China discloses two kinds of pin type door locks (application number is respectively 93110327.4 and 94241260.5), application number be 94241260.5 pin type door lock to have solved application number be that the open the door back of entering the room of 93110327.4 pin type door lock people is put tapered end in the tapered end housing into and the disadvantage that door can not be closed tight, the safety after simultaneously the U type backplate that is connected as a single entity with the tapered end housing has been strengthened locking a door.But above-mentioned two kinds of locksets all do not fit into the use of outer sliding door, can be used for outer sliding door use even make improvements slightly, also there is following shortcoming: the one, the tapered end described in its manual and the tapered end housing that uses that matches with it are circle or oval, oval-shaped tapered end and the tapered end housing that matches with it still can use, if tapered end and the tapered end housing that matches with it are circular and do not take to prevent the rotation measure, after a key inserts the key hole of the lock core in the tapered end, tapered end also can rotate thereupon during key, pin baffle plate in former two kinds of pin type door locks (application number is 93110327.4) or zigzag recessed groove (application number is 94241260.6) are if only be arranged on the both sides of tapered end housing correspondence rather than around around the end of whole tapered end housing or inwall, lock then inoperative.Because tapered end can be extracted out once changeing, if pin baffle plate or zigzag recessed groove be arranged on the tapered end shell end around or around the inwall of tapered end housing, the back lock of locking a door is difficult for again opening.Employing prevents the measure of rotating simultaneously, has increased the operation of processing comparatively speaking again.The 2nd, the end that the tapered end housing of above-mentioned two kinds of pin type door locks is in doorframe the inside is an open type, in case there are foreign material to enter tapered end enclosure interior easy to clean not again, influences the normal use of lockset.

The utility model apotheca theftproof lock open be exactly for the deficiency that solves above-mentioned two kinds of pin type door locks provide a kind of to be installed in inner core on the external-open list fan apotheca door, tapered end and the tapered end housing that is complementary with tapered end be square and tapered end housing one end is totally enclosed apotheca theftproof lock.

A kind of apotheca theftproof lock, by lock 1, pin block seat 2, tapered end 4, key 5, the door limit is angle bar 6 fixedly, bolt penetration hole 7, wood screw perforation 8, doorframe be angle bar 9 and pin 10 compositions fixedly, it is characterized in that it is square lock tube 3 that a limit fixedly is fixed with the inner space on the angle bar 6.

According to above-mentioned a kind of apotheca theftproof lock, its feature is that also tapered end 4 is square cylinder.

According to above-mentioned a kind of apotheca theftproof lock, its feature also is to be respectively the identical square space of a shape with the inside of square cylinder tapered end 4 matching used lock tubes 3, lock 1.

According to above-described a kind of apotheca theftproof lock, its feature is that also the end that lock 1 does not insert an end of tapered end 4 is a totally enclosed type.

Accompanying drawing is the utility model apotheca anti-theft lock structure and part component schematic diagram, wherein:

Fig. 1 is an apotheca anti-theft lock structure schematic diagram, wherein:

1-lock 2-pin block seat 3-lock tube 4-tapered end

5-key 6-door limit is angle bar 7-bolt penetration hole fixedly

8-wood screw perforation 9-doorframe is angle bar 10-pin fixedly

Fig. 2 is tapered end 4 and pin 10 assembly structure schematic diagrames, wherein:

4-tapered end 10-pin

Fig. 3 is the left view of Fig. 2, wherein:

4-tapered end 10-pin

Fig. 4 is a lock 1 and the fixing angle bar 9 connecting structure schematic diagrames of doorframe, wherein:

1-lock 2-pin block seat 7-bolt penetration hole

8-wood screw perforation 9-doorframe is angle bar fixedly

Fig. 5 is the vertical view of Fig. 4, wherein:

The perforation of 1-lock 7-bolt penetration hole 8-wood screw

The 9-doorframe is angle bar fixedly

Fig. 6 is the left view of Fig. 4, wherein:

1-lock 2-pin shelves seat 7-bolt penetration hole

8-wood screw perforation 9-doorframe is angle bar fixedly

Fig. 7 is a lock tube 3 and the fixing angle bar 6 binding structure schematic diagrames in door limit, wherein:

3-lock tube 6-door limit is angle bar 7-bolt penetration hole fixedly

The perforation of 8-wood screw

Fig. 8 is the vertical view of Fig. 7, wherein:

3-lock tube 6-door limit is angle bar fixedly

The perforation of 7-bolt penetration hole 8-wood screw

Fig. 9 is the left view of Fig. 7, wherein:

3-lock tube 6-door limit is angle bar fixedly

The perforation of 7-bolt penetration hole 8-wood screw

Figure 10 is the structural representation of bolt 11;

Figure 11 is Figure 10 A-A place sectional view;

In conjunction with the accompanying drawings, narrate implementation procedure of the present utility model: the utility model apotheca anti-theft lock structure is very simple, mainly form by lock 1, lock tube 3, tapered end 4 and key 5, if this lock is installed in (doorframe also is irony) on the iron door, can the door limit the fixing fixing angle bar 9 of angle bar 6 and doorframe, determine good position, can be directly lock 1 and lock tube 3 be weldingly fixed on respectively on doorframe and the door limit and get final product.Now divide in addition main member narrated one by one:

Lock 1: lock 1 is a square cylinder, its inner main space should be the same with the interior space dimension of lock tube 3, it is a square space body, and the size of its each length of side is a bit larger tham the length of side of tapered end 4 corresponding with it, so that in use tapered end 4 can insert and extract out in the square space of lock 1 and lock tube 3 easily.The close end external and internal compositions of lock 1 and lock tube 3 is measure-alike, be square, the other end is a blind end, purpose is to influence the lockset use in the lock 1 for having prevented that foreign material from entering, the corresponding both sides of square space apart from the end certain distance of blind end process pin block seat 2 respectively, through lock tube 3 enters into lock 1 in and tapered end 4 end that has the end of jack of key 5 and a lock tube 3 when being a plane, two pins 10 of the mutual correspondence under spring action are owing to the effect of pin block seat 2 makes tapered end 4 can not extract out from lock 1 and lock tube 3 without key 5 in order to tapered end 4 in use.Pin block seat 2 adopt machines and welding all can, set pin block seat 2 after, available steel plate will be shut apart from the opening of the lock 1 of this near end of pin block seat 2.

Lock tube 3: lock tube 3 structures are the simplest, are a square cylinder, and an end that inserts at tapered end 4 has square groove, and its external dimensions is identical with the external dimensions of lock 1, and the opening end of its inner cylindrical shell and lock 1 is the same to the size at pin block seat 2 places.

Tapered end 4: tapered end 4 is the deformable body of former pin tumbler lock, replaces the arc lock nose of cylinder locks by two pin block seats 2 of the mutual correspondence in lock 1 blind end, and the pin 10 of two correspondences is exposed to outside the square body of tapered end 4 under spring action.Tapered end 4 overall length are less than the length that is connected of lock 1 and lock tube 3 inner spaces, but from the end of key 5 jacks to the length of 10 of pins should greater than lock tube 3 and lock 1 from opening end to inner space length the pin block seat 2 add and.The outside inboard that tapered end 4 has key 5 jacks one end has the square sloped surface that the groove with lock tube 3 is complementary, and lock core, pellet shot from a slingshot, springs in the tapered end 4 are original parts, no longer describe in detail.

Install and use: when being the material of irony as the door of apotheca and doorframe, install the simplest, as long as determine to adorn lock position, be connected on the doorframe outside towards the door side weld lock 1 is uncovered, lock tube 3 is not weldingly fixed on the limit with the opening of the opening aligning lock 1 of an end of groove just can again.When locking a door, as long as be with an end of grooves to insert from lock tube 3 at an end of tapered end 4 cotter bolts 10, because the insertion end of pin 10 has the inclined-plane, the end that tapered end 4 has key 5 jacks is processed with the square sloped surface that the groove with lock tube 3 is complementary, and its total length is less than the length of lock tube 3 and lock 1 inner space, and the distance from its end that has key 5 jacks one end to 10 of pins is greater than the distance between the pin block seat 2 of the end that has groove one end from lock tube 3 to the lock 1, so after door is closed, the end that tapered end 4 is had a groove from lock tube 3 inserts when the end that tapered end 4 has the end of an end of key 5 jacks and an end that lock tube 3 has groove is a plane, stretch out in the space of pin 10 pin block seat 2 in the lock 1 under spring is done, door lock is dead.Key 5 inserts in the key hole of tapered end 4 ends when opening the door, and screw key 5 is retracted in the tapered end 4 pin 10, tapered end 4 is extracted out just can.If door is wooden structures with doorframe, then must be weldingly fixed on door limit fixedly angle bar 6 and the doorframe fixedly on the angle bar 9 that has bolt penetration hole 7 and wood screw perforation 8 to lock 1 and lock tube 3 respectively one by one, more respectively with dome bolt 11 by bolt penetration hole 7 from the front and with wood screw by wood screw bore a hole 8 corresponding surfaces from doorframe and Men Bian will be weldingly fixed on one by one doorframe fixedly the lock 1 on the angle bar 9 and be weldingly fixed on a limit fixedly the lock tube 3 on the angle bar 6 be separately fixed at doorframe and a limit gets final product.

The utility model apotheca anti-theft lock structure is simple, and is easy for installation, and the fit-up gap is little, safe and reliable.

Claims (4)

1, a kind of apotheca theftproof lock, by lock 1, pin block seat 2, tapered end 4, key 5, door limit fixedly angle bar 6, bolt penetration hole 7, wood screw bore a hole 8, doorframe fixedly angle bar 9 and pin 10 form, it is characterized in that a limit fixedly is fixed with the lock tube 3 that tapered end 4 is passed from inner space wherein on the angle bar 6.

2, a kind of apotheca theftproof lock according to claim 1, the profile that it is characterized in that tapered end 4 is a square cylinder.

3, a kind of apotheca theftproof lock according to claim 1 and 2 is characterized in that being respectively the identical square space of a shape with the inside of square cylinder tapered end 4 matching used lock tubes 3, lock 1.

4,, it is characterized in that lock 1 is a totally enclosed type near the end of an end of pin block seat 2 according to claim 1 or 2 or 3 described a kind of apotheca theftproof locks.

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