CN2527647Y - Gun type door lock - Google Patents

Abstract

The utility model belongs to the technical field of the door lock, in particular to a pistol-structured door lock for locking double door leaves, which comprises a lock body and a lock plunger. The utility model is characterized in that the lock body adopts a symmetrical pistol structure to be divided into a left pistol type lock body and a right pistol type lock body; a lock plunger is perforated into guide-nesting parts of the upper parts of the left and the right pistol type lock bodies; one end of the lock plunger is provided with lock plunger displacing holes, and the other end is provided with a lock-closing pin hole; a gearwheel and a gearwheel shaft for poking the lock plunger are arranged on the lower parts of the left and the right pistol type lock bodies corresponding to the lock plunger displacing holes; the gearwheel shaft is perforated through the door, and is connected with a rolling wheel of a handle inside the door; the position corresponding to the lock-closing pin hole is provided with a lock-closing lock pin that is connected with a lock core arranged inside a lock head to be continuously acted; the lock head is perforated into the door. Compared with the prior art, the utility model can be opened and closed inside and outside the door, can prevent the door from removing, prying, shearing and stealing with advantages of beauty and good stability.

Description

The pistol type door lock

Technical field:

The utility model belongs to the door lock technical field, is specially adapted to a kind of pistol type door lock of double door.

Background technology:

In technique known, the door lock that is generally used for double door divides installing type and Men Nei installing type outdoors, installing type is cylindrical or chimera shape lock body outdoors, and is connected with the conduit base plate, wherein, adopt welding manner between conduit and the base plate, because conduit is cylindrical, area is little with contacting between the base plate, therefore, externally be easy to be pried open its pick-proof poor performance after the welding; In addition, the locking of this lock is by lock core self locking, and its lock core shear behavior is poor, intensity is low, all is being difficult for assurance aspect assembly precision and the security performance, and this being locked in the door can't be used.Installing type adopts flat recess or cross recess plain screw to install more in the door, the hex nut that pairing is answered, and its theftproof performance of this kind mounting means is extremely low, utilizes general tool just can under blocking lock be laid down.

Summary of the invention:

The purpose of this utility model provides a kind of intensity height, good stability, the locking of all unblanking indoors and outdoors, and have anti-ly unload, the pistol type door lock of tamper-resistant function.

For realizing that the technical scheme that the purpose of this utility model is taked is: this door lock has lock body, locking bolt, its principal character is: lock body adopts the pistol-type structure of symmetric form, be divided into left rifle formula lock body and right rifle formula lock body, and be fixed on the door by lock bolt body, guide pin bushing position above left and right rifle formula lock body leads to wears a locking bolt, an end is provided with locking bolt displacement round on the locking bolt, and the other end is provided with the locking pin-and-hole; In the lower portion of left and right rifle formula lock body, be provided with gear that is used for shooting the lock-bolt and the gear shaft that is contained on the gear with locking bolt displacement round corresponding position, wherein, the gear shaft break-through is in door, and the handle runner in the connection door; With the corresponding position of locking bolt locking pin-and-hole, be provided with the lock pin that is used for locking, this lock pin is connected with lock core in the tapered end and realizes interlock, and the tapered end break-through is in door.

The pistol type door lock of making according to such scheme, it is rational in infrastructure, because lock body is the rifle formula, make its guide pin bushing lengthening, therefore, strengthened the stability of this lock, and strengthened the intensity of lock, and this lock is handsome in appearance generous, and the prestige of its rifle formula can increase user's the sense of security, simultaneously the picking lock thief has also been played prestige and has taken the photograph effect.Compared with prior art, this pistol type door lock have pick-proof, anti-cut, anti-ly unload, remarkable advantage such as anti-collision.

Description of drawings:

Utilize accompanying drawing to further describe embodiment of the present utility model below;

Fig. 1 is a structural representation of the present utility model.

The specific embodiment:

Referring to Fig. 1, this door lock has lock body, locking bolt, its principal character is: lock body adopts the pistol-type structure of symmetric form, be divided into left rifle formula lock body 1-1 and right rifle formula lock body 1-2, and be fixed on the door by lock bolt body 2, the bolt that lock body is installed adopts a special abnormal shape lock bolt body, the end face of the special-shaped head of its bolt is a shiny surface, circumference one side is the plane, the side plane of guide pin bushing 1-3 during installation on this plane and left and right rifle formula lock body 1-1, the 1-2 is inconsistent, can play location, pick-proof, anti-effect of unloading.Guide pin bushing 1-3 position above left and right rifle formula lock body 1-1,1-2 is logical wears a locking bolt 5, and wherein, the endoporus of guide pin bushing 1-3 can be circle or polygon, and the end of guide pin bushing 1-3 is provided with plug 6; One end of locking bolt 5 is provided with locking bolt displacement round, and the other end is provided with the locking pin-and-hole, and label 5-1 is a locking bolt retaining head.In the lower portion of left and right rifle formula lock body 1-1,1-2, be provided with gear 9 that is used for shooting the lock-bolt and the gear shaft 8 that is contained on the gear 9 with locking bolt displacement round corresponding position, wherein, gear shaft 8 break-through are in door, and the handle runner (not shown) in the connection door; With the corresponding position of locking bolt locking pin-and-hole, be provided with the lock pin 4 that is used for locking, lock pin 4 is set to the twin-lock pin, can make the locking intensity of locking bolt 5 improve more than three times.This lock pin 4 is connected with lock core 7 in the tapered end 3 and realizes interlock, and tapered end 3 break-through constitute the locking of all unblanking indoors and outdoors in door.In this case, being connected of lock pin 5 and lock core 7 adopts usual manner to connect, the lock core of tapered end 3 configurable various grooveds, by handle runner in the door through gear shaft 8 driven gears 9 shooting the lock-bolts 5, and cooperate with door inner lock head key, realize that this is locked in locking and unlatching when using in the door.In outdoor order of unblanking be: insert the lock core 7 of lock body below with key, clockwise rotate 90 °, drive lock pin 4 simultaneously and return, make it to break away from, with pulling out locking bolt 5, both finished and unblanked, otherwise then realized locking again with locking bolt 5.

Claims (4)

1, a kind of pistol type door lock, this door lock has lock body, locking bolt, it is characterized in that: lock body adopts the pistol-type structure of symmetric form, be divided into left rifle formula lock body [1-1] and right rifle formula [1-2] lock body, and be fixed on the door by lock bolt body [2], guide pin bushing [1-3] position of left and right rifle formula lock body [1-1,1-2] top is logical wears a locking bolt [5], and an end of locking bolt [5] is provided with locking bolt displacement round, and the other end is provided with the locking pin-and-hole; Lower portion at left and right rifle formula lock body [1-1,1-2], be provided with the gear [9] that is used for shooting the lock-bolt with locking bolt displacement round corresponding position and be contained in gear shaft [8] on the gear, wherein, gear shaft [8] break-through is in door, and connect the interior handle runner of door, with the corresponding position of locking bolt locking pin-and-hole, be provided with the lock pin [4] that is used for locking, this lock pin [4] is connected with lock core [7] in the tapered end [3] and realizes interlock, and tapered end [3] break-through is in door.

2, pistol type door lock as claimed in claim 1 is characterized in that: the special-shaped end surface of lock bolt body [2] is a shiny surface, and circumference one side is provided with the plane, and the side plane of the guide pin bushing [1-3] on this plane and the left and right rifle formula lock body [1-1,1-2] is inconsistent.

3, pistol type door lock as claimed in claim 1 is characterized in that: guide pin bushing [1-3] endoporus can be circle or polygon, and an end of guide pin bushing [1-3] is provided with plug [6].

4, pistol type door lock as claimed in claim 1 is characterized in that: lock pin [4] is set to the twin-lock pin.

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