CN2097894U - Built-in four-edge locking safety door - Google Patents

Abstract

The utility model relates to a built-in four-edge locking safety door. The utility model is characterized in that a four-edge locking mechanism is arranged on the basis of the external lock head of the prior ordinary built-in lock and a pulling sheet thereof; as well an anti-drill sheet, a bush, and an anti-drill bush are arranged on surface of the external lock head; clamping washers and spring washers are arranged inside of the external lock head; the external lock head is lapped by the parts which are tightened inside by screws; hence, the aim of omnidirectional locking at the same time is realized. The utility model has the advantages of simple structure, and strong safety; besides, the utility model is the same convenient as the ordinary built-in lock when the lock is opened.

Description

Built-in four-edge locking safety door

The utility model relates to a kind of safety anti-theft door, especially a kind of built-in type four limits locking security door.

For solving the safe antitheft problem, people have developed various types of safety anti-theft doors.Chinese patent CN89220802.3 number a kind of theftproof lock is disclosed at present, it is to open on the basis of safety door latch improved again at existing pair of tongue, promptly increase locking up and down on the monolateral basis and (promptly lock three limits existing only the lock, and one side non-locking of hinge), though this technology is simple in structure, processing easily, but use dumb, be that the mechanism structure action is unreasonable, it locks up and down is by being connected realization with the handle of existing door lock, being prone to stuck phenomenon, in addition one side non-locking of its hinge, this ready-made hinge is easy to its hinge axis is launched the door of moving away, and this also is a unsafe factor.

The utility model improves at the problem that prior art exists, and provides a kind of easy to use flexible, rational in infrastructure, security performance height, the built-in type four limits locking security door of good looking appearance.

The utility model is achieved by following manner: a kind of built-in type four limits locking security door, comprise doorframe, door, outer tapered end and pull out sheet and four limit locking mechanisms, it is characterized in that: lockhole one side surface of said outer tapered end is provided with anti-drilling moving plate and lining and anti-drill bushing, its opposite side is provided with clamping washer and spring washer, and their (referring to that above-mentioned all component comprise anti-drilling moving plate, lining, anti-drill bushing, clamping washer, spring washer) encase outer tapered end and by screw it are connected in a centre position, left side; In said four limit locking mechanisms have, outer lock box, be fixed with the pinion that sheet matches that pulls out with tapered end by axle on the outer lock box, be connected in gear wheel on the outer lock box with pinion and by axle, gear wheel evenly is provided with four dead mans up and down, these four dead mans can be whole, be that dead man and dead bolt are for whole, it can be circle or square-section, drive during key and pull out sheet and pinion, pinion drives gear wheel and rotates, gear wheel drives four dead mans inserts in the jack that the relevant position is provided with on the doorframe them, wherein interior lock box is fixed on the door by aforementioned screw (screw of the outer tapered end that promptly is connected), and outer lock box then is connected on the interior lock box by Screw.

Four dead mans in the said four limit locking mechanisms also can be two body structures, that is, the upper and lower two dead man front ends in four dead mans are provided with the dead bolt hinged with it, are provided with the dead bolt of two hinged branches at left and right two dead man front ends.Its left side is for the shape right side and is Contraband shape.This structure moves so dead bolt is a straight line because each dead bolt and dead man are hinged, and integrally-built dead man is then for curve moves, and jack is corresponding like this wants big.

The utility model use and principle are as follows: when key pass anti-drilling moving plate insert outside in the tapered end (common built-in lock), key can drive pinion rotation by pulling out sheet, pinion drives the gear wheel rotation simultaneously, four dead mans or the dead bolt that connect by bearing pin on the gear wheel insert respectively in the jack that the relevant position is provided with on the doorframe, and be the same very convenient with the lock mode of normal common built-in lock.

The utility model is compared with prior art, have rational in infrastructure, easy to install, security performance height, characteristics such as good looking appearance.

Fig. 1 is a general structure schematic diagram of the present utility model, and wherein dead man is integrally-built situation.

Fig. 2 also is a general structure schematic diagram of the present utility model, and wherein dead man is the situation of two body structures.

Fig. 3 is the A-A sectional drawing of Fig. 1 or Fig. 2.

Fig. 4 is the lock-out state structure chart of four limit locking mechanisms of the present utility model.

Fig. 5 is the structure chart of the opening of the utility model four limit locking mechanisms.

Among the figure: lock box in 1,2 outer lock boxes, 3 pinions, 4,5 gear wheels, 6 nuts, 8,9 lock shafts, 10 dead mans, 11 screws, 12 spring washers, 13 fixed heads, 14 screws, 15 outer tapered ends, 16 anti-drilling moving plates, 17 linings, 18 prevent that drill bushings, 19 pull out sheet, 20 clamping washers, 21 screws, 22 spring washers, 23,24 doorframes, 25 dead bolts, 26 dead bolts.

Most preferred embodiment of the present utility model is shown in Fig. 1-5.A kind of built-in type four limits locking security door, comprise doorframe 24, door 23, outer tapered end 15 and pull out sheet 19 and four limit locking mechanisms, it is characterized in that: lockhole one side surface of said outer tapered end 15 is provided with anti-drilling moving plate 16 and lining 17 and anti-drill bushing 18, its opposite side is provided with clamping washer 20 and spring washer 22, and their (referring to that above-mentioned all component comprise anti-drilling moving plate 16, lining 17, anti-drill bushing 18, clamping washer 20, spring washer 22) encase outer tapered end 15 and by screw 11 it are connected in door centre position, 23 left side; In said four limit locking mechanisms have, outer lock box 1 and 2, be fixed with the pinion 3 that sheet 19 matches that pulls out with outer tapered end 15 by axle 4 on the outer lock box 2, the gear wheel 5 that meshes and be connected on the outer lock box 2 by axle 8 with pinion 3 evenly is provided with four dead mans 10 up and down, these four dead mans 10 can be whole, be dead man 10 and dead bolt 25,26 is whole, it can be circle or square-section, drive during key and pull out sheet 19 and pinion 3, pinion 3 drives gear wheel 5 and rotates, gear wheel 5 drives four dead mans 10 inserts in the jack that the relevant position is provided with on the doorframe 24 them, wherein interior lock box 1 is by promptly the be connected screw 4 of outer tapered end 15 of aforementioned screw 4() be fixed on the door 23, outer lock box 2 then is connected on the interior lock box 1 by Screw 21.

Four dead mans 10 in the said four limit locking mechanisms also can be two body structures, that is, upper and lower two dead mans, 10 front ends in four dead mans 10 are provided with the dead bolt hinged with it 25, are provided with the dead bolt 26 of two hinged branches at left and right two dead mans, 10 front ends.Its left side is for the shape right side and is Contraband shape. Dead bolt 25,26 is for straight line moves this structure because each dead bolt 25,26 and dead man 10 are hinged, and integrally-built dead man 10 is then for curve moves, and jack is corresponding like this wants big.

Claims (2)

1, a kind of built-in type four limits locking security door comprises doorframe, door, outer tapered end and pulls out sheet and four limit locking mechanisms, it is characterized in that:

Lockhole one side surface of A, said outer tapered end is provided with anti-drilling moving plate and lining and anti-drill bushing, and its opposite side is provided with clamping washer and spring washer, and they encase outer tapered end and by screw it are connected in a centre position, left side;

B, in said four limit locking mechanisms have, outer lock box, be fixed with the pinion that sheet matches that pulls out with outer tapered end by axle on the outer lock box, be connected in gear wheel on the outer lock box with the engagement of little tooth and by axle, gear wheel is equipped with four dead mans up and down, these four dead mans are whole, drive during key and pull out sheet and pinion, pinion drives gear wheel and rotates, gear wheel drives four dead mans inserts in the jack that the relevant position is provided with on the doorframe them, wherein interior lock box is fixed on the door by aforementioned screw, and outer lock box then is connected on the interior lock box by Screw.

2, built-in type four limits locking security door as claimed in claim 1, it is characterized in that four dead mans in the said four limit locking mechanisms also can be two body structures, promptly, upper and lower two dead man front ends in four dead mans are provided with the dead bolt hinged with it, are provided with the dead bolt of two branches at left and right two dead man front ends.

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