CN2079645U - Safety door bolt lock - Google Patents

Abstract

The utility model relates to a safety door bolt lock which is composed of a protective lock, a safety lock, and a lock device, wherein, the lock device is mainly composed of a deflector rod, a pressing plate for the deflector rod, a pressing plate for a door bolt, a door bolt rod, and an inserting plate for the door bolt. The utility model has the characteristics of novel structure, skillful match, good safe performance, convenient operation, etc. The utility model can be directly used for locking and protecting a door and can be used for being matched with other locks for a set of safer antitheft devices. The utility model can be widely suitable for civil facilities, such as a family, a shop, a warehouse, a government unit, etc., and can also be used for antitheft and protective work for military facilities.

Description

Safety door bolt lock

Safety door breech lock described in the utility model is the new door lock of the safe antitheft of twice unlatching of a kind of needs.

At employed latches of department such as resident, shop, storehouses, just have bolt bar, bolt pressing plate and bolt plate at present.And the bolt bar in the bolt pressing plate the slippage and the insertion of pair of latches plate or transfer to by manually finishing.And the bolt bar that is contained in an inboard can not be opened at outer side of door, can not realize the locking protection.Because adopt bolt pole pair door to lock, its protective capacities is also stronger.So be necessary it is carried out new design, to improve its service behaviour, make it have the locking safeguard function, thereby the purpose that reaches safe antitheft is very necessary.

In view of existing problem in the above-mentioned prior art, task of the present utility model be the design a kind of novel structure, advanced in performance, safety good, service-strong new type of safe latch.Main feature of the present utility model is to adopt the mode of unblanking for twice, by the ingenious cooperation of safety lock and protection lock, realizes the unlatching to the safety door breech lock, therefore has characteristics such as safety is good, anti-theft capability is strong.So the utility model can be a kind of practical new type of safe latch that is suitable for as the safe-guard door lock of departments such as family, office, shop.

Safety door breech lock described in the utility model, its feature as shown in drawings, its structure is made up of the moving device of protection lock, safety lock, lock.The dead bolt of protection lock can be inserted in the lockhole of safety lock lockhole is shut.The moving device of lock is made of bolt bar, bolt pressing plate, bolt plate, driving lever.Xiao that dials on driving lever and the bolt bar is connected, and the shifting block of driving lever is contained in the safety lock, and the rotation of shifting block is realized by the safety lock key.The pressure head that is contained in bolt bar afterbody matches with pressing switch, and pressing switch is connected with alarm.

Current in order to maintain public order, the improvement and rectification civil order is removed the people and the organ trouble and worry to house, place property, so developed this safety door breech lock.The utility model is widely applicable, and all dwelling houses or unit facility all can be installed.Because the utility model safety is good, and is equipped with pressure head at bolt bar afterbody, can match with pressing switch, realize that alarm bell is reported to the police or acousto-optic is reported to the police simultaneously, so just can effectively realize the purpose of burglar alarm.So the utility model is a kind of desirable safety door breech lock.

The utility model has two accompanying drawings, and accompanying drawing 1 is the assembly structure figure of safety door breech lock.Accompanying drawing 2 is A-A sectional views of accompanying drawing 1.

Among the figure: 1, protection lock 2, safety lock 3, driving lever 4, driving lever pressing plate 5, pressing switch 6, pressure head 7, alarm 8, bolt pressing plate 9, bolt bar 10, bolt plate 11, doorframe 12, door 13, dead bolt 14, protection lock key 15, safety lock key 16, group Xiao

Specific embodiment of the utility model as shown in drawings, its structure is made up of protection lock ［ 1 ］, safety lock ［ 2 ］, the moving device of lock.The moving device of lock comprises driving lever ［ 3 ］, driving lever pressing plate ［ 4 ］, bolt pressing plate ［ 8 ］, bolt bar ［ 9 ］, bolt plate ［ 10 ］ and dials Xiao ［ 16 ］.Driving lever pressing plate ［ 4 ］ is contained in above the driving lever ［ 3 ］ and with door ［ 12 ］ and fixes, and the amount of swinging of driving lever ［ 3 ］ is determined by the left and right sides distance and position in the driving lever pressing plate ［ 4 ］.Lower end at driving lever ［ 3 ］ has the slip slotted eye, so that Xiao ［ 16 ］ that dials of bolt bar ［ 9 ］ is slided in slotted eye.The shifting block of driving lever ［ 3 ］ is contained in the safety lock ［ 3 ］, and the section of its end can have various geometry, as hexagon, rhombus, triangle, square etc.Protection lock ［ 1 ］ is installed in the top of safety lock ［ 3 ］, can be inserted into after the dead bolt ［ 13 ］ of protection lock ［ 1 ］ stretches out in the body of safety lock ［ 2 ］ and with hole of button to shut.Afterbody at bolt bar ［ 9 ］ is equipped with pressure head ［ 6 ］, and matches with pressing switch ［ 5 ］, can realize sound and light alarm.Operating principle of the present utility model is: after employing safety door breech lock is tight with door lock, in the time of need opening the door, at first use protection lock key ［ 14 ］ that protection lock ［ 1 ］ is opened, its dead bolt ［ 13 ］ withdraws from the lockhole of safety lock ［ 2 ］.And then match with the shifting block of driving lever ［ 3 ］ in the lockhole with safety lock key ［ 15 ］ insertion safety lock ［ 2 ］, and with its rotation.The chute hole of driving lever ［ 3 ］ lower end promotes to dial Xiao ［ 16 ］ and moves it, and bolt bar ［ 9 ］ transferred to from bolt plate ［ 10 ］ door ［ 12 ］ is opened.The utility model can be directly used in the locking protection of door in actual use, also can match with other door lock, increases the safer anti-theft device of a cover.

Claims (2)

1, a kind of safety door breech lock is characterized in that being made up of protection lock [1], safety lock [2], the moving device of lock; The dead bolt [13] of protection lock [1] can be inserted in the lockhole of safety lock [2] lockhole is shut; The moving device of lock is made of bolt bar [9], bolt pressing plate [8], bolt plate [10], driving lever [3], Xiao [16] that dials on driving lever [3] and the bolt bar [9] is connected, the shifting block of driving lever [3] is contained in the safety lock [2], and the rotation of shifting block is realized by safety lock key [15].

2, safety door breech lock according to claim 1 is characterized in that the pressure head ［ 6 ］ that is contained in bolt bar ［ 9 ］ afterbody matches with pressing switch ［ 5 ］, and the same alarm of pressing switch ［ 5 ］ ［ 7 ］ is connected.

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