CN201170000Y - Trap-proof door lock - Google Patents

Abstract

The utility model discloses an anti-sleepy door lock which comprises an inner door bolt and an outer door bolt which are fixed with each other; the inner door bolt and the outer door bolt are connected by a connecting rod running through a door frame; an inserted pin is arranged on the outer door bolt; the inserted pin locks the door from the outside through being inserted into the outer door bolt; an inner hasp is connected to the inner door bolt; and the inner hasp can drive the inner door bolt to slide, thereby driving the inserted pin to slide out of the outer door bolt. In the anti-sleepy door lock, the connecting rod can adopt an iron bar. Under the normal condition, the door is fastened and fixed by the inner hasp; therefore, the function can not be used outdoors. When a person is in a room, if another person locks the door outdoors, the person in the room can release the inner hasp of the movable door bolt and activates the movable function of the door bolt; through the simultaneous sliding of the inner door bolt and the outer door bolt of the door, the movable inserted pin outside the room extends out of a hole, thereby opening the door. The door has low cost; the hasp has low manufacturing cost; and the anti-sleepy door lock can be widely applied to rural areas, student dormitories and factories.

Description

A kind of anti-door lock that is stranded

Technical field

The utility model relates to a kind of door lock.

Background technology

Traditional door lock is to reach fixing keeper slightly by the activity cunning to constitute.This door lock is in daily use in our life, has basic anti-theft feature, but clearly, thisly is latched in slight shortcoming, if lock the door without exactly, the door of just not opening of the people in the room is trapped within doors so, and life is brought inconvenience.

Summary of the invention

The purpose of this utility model is the problem that the door lock of solution prior art is locked the people easily, provides a kind of and can open the door lock of locking outdoors in door, thereby play the anti-function of being stranded.

For realizing above purpose, the utility model has been taked following technical scheme: a kind of anti-door lock that is stranded, comprise and interconnect fixing interior keeper and outer keeper, should be connected by the connecting rod that passes doorframe with outer keeper by interior keeper, described outer keeper is provided with latch, and this latch pins door by inserting outer keeper from the outside; Be connected with interior hasp in described on the keeper, keeper slided in hasp can drive in this, skidded off outer keeper thereby drive latch.In the utility model, connecting rod can adopt iron staff.

The utility model possesses following advantage with respect to prior art: under situation at ordinary times, it is that hasp lives knocker and fix in being used in, thereby can not use this function outdoors.As the people in doors the time, if the people is arranged without on the door lock, the interior hasp of people within doors on can releasing activity keeper activates the movable function of keeper, slides together by keeper inside and outside the door, and the activity the room outside is slotting stretches out from the hole slightly, thereby door is opened.This door lock cost is lower, and the hasp cost of manufacture is also low, can be widely used in the rural area, in students' dormitory and the factory.

Description of drawings

Fig. 1 is stranded the door latch structure schematic diagram for the utility model is anti-;

Description of reference numerals: 1, interior keeper, 2, outer keeper, 3, iron staff, 4, latch, 5, interior hasp.

The specific embodiment

Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.

Embodiment one

See also shown in Figure 1, a kind of anti-door lock that is stranded comprises interconnecting fixing interior keeper 1 and outer keeper 2 that keeper 1 is connected by the iron staff 3 that passes doorframe with outer keeper 2 in this, outer keeper 2 is provided with latch 4, and this latch 4 pins door by inserting outer keeper 2 from the outside; Hasp 5 in being connected with on interior keeper 1, keeper slided in hasp 5 can drive in this, skidded off outer keeper 2 thereby drive latch 4.

The essential structure of present embodiment is that inside and outside keeper is fixed a hasp with the continuous dead slot that passes on the door of iron staff on the bolt in door, make the slip mouth of hasp control keeper.Because keeper is that the inside and outside joins.So when from the pull-up of interior goalkeeper's hasp, thereby drive the slip of outer keeper, making from the inside can outer movable the inserting slightly of control gate, just can play and prevent tired having acted on.Certainly also can in door, increase a keeper again, the effect of locking a door of keeper in can reinforcing by this keeper.

Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.

Claims (1)

1, a kind of anti-door lock that is stranded, it is characterized in that: comprise interconnecting fixing interior keeper and outer keeper, should be connected by the connecting rod that passes doorframe with outer keeper by interior keeper, described outer keeper is provided with latch, and this latch pins door by inserting outer keeper from the outside; Be connected with interior hasp in described on the keeper, keeper slided in hasp can drive in this, skidded off outer keeper thereby drive latch.

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