CN2189187Y - Theft-proof safety lock - Google Patents

Abstract

The utility model relates to a novel theft-proof safety lock, belonging to a building door lock. The novel theft-proof safety lock can be used by hotels, offices, and house doors, which is composed of a lock body, the protection plate of a lock body, a lock catch box, the protection plate of the lock catch box, etc. The novel theft-proof safety lock is characterized in that a plurality of through holes are drilled on the lock body, the upper and the lower sides of the protection plate of the lock body, and the tail of the protection plate of the lock body; a plurality of through holes are drilled on the lock catch box and the upper and the lower sides of the protection plate; the lock body, the protection plate of the lock body, and a door are fastened by machine screws as well as the lock catch box, the protection plate of the lock catch box, and a door frame; a plurality of holes are drilled on both sides where the lock body and the lock catch contact and are respectively fastened to the door and the door frame by wood screws which are crosswise arranged on a straight line. The utility model has the advantages of reasonable design, compact structure, and easy manufacture and installation. The novel theft-proof safety lock is an effective tool to ensure safety.

Description

Theft-proof safety lock

A kind of novel anti-theft safety lock belongs to the building door locks.All hotels, office, dwelling house door all are suitable for.

At present, though door lock can be lived, there is shortcoming in the single, double tongue safety lock that people use: easily caused separating of Men Yusuo and lock body and keeper by means such as bump and plugs.

The utility model purpose: overcome the prior art deficiency, design a kind of novel anti-theft safety lock that can prevent that gravity impact and plug outdoors from separate door, lock.

Solution of the present utility model is: this anti-theft safety lock is made up of lock body, lock body backplate, keeper, keeper backplate, and lock body is made up of shift fork, cover screw, handle, handle screw, cover plate, movable lug, slow-witted tongue.Its feature: some through holes are respectively bored in upper and lower both sides of lock body and afterbody and the upper and lower both sides of keeper, door and outdoors on lock body backplate and doorframe and the doorframe external lock button box backplate with lock body, keeper on the through hole corresponding position, also bore the through hole of identical size and number, with tack lead aircraft screw with lock body with door and lock body backplate, keeper is connected with doorframe and keeper backplate and reinforce; In addition, on lock body and keeper side surfaces contacted, bore some through holes respectively, put spring washer with wood screw, respectively it is fastened on door and the doorframe, the screw cross arrangement of lock body and keeper side in a straight line, slightly slightly outstanding side forms the anti-barrier of inserting of dialling of a row.

Advantage of the present utility model: reasonable in design, compact conformation is made, easy for installation, though outdoors gravity impact or gently plug all be difficult to make door, lock to separate, be the effective tool of guaranteeing door safety.

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of anti-theft safety lock.

Fig. 2 is the structural representation of anti-theft safety lock backplate.

Fig. 3 is the structural representation of solid lock tube.

Shown in accompanying drawing 1,2, the utility model is made up of lock body 1, keeper 2, lock body backplate 10, keeper backplate 11, and lock body 1 is made up of shift fork 3, cover screw 4, handle 5, handle screw 6, cover plate 7, movable lug 8, slow-witted tongue 9.Have tapered end through hole and fastening through-hole on the lock backplate.

The utility model and the existing principle basically identical of locking, but overall structure improves to some extent.Its feature: upper and lower both sides and afterbody at lock body 1, lock body backplate 10 are drilled with 3 through holes respectively; Upper and lower side at keeper 2, keeper backplate 11 is drilled with 2 through holes respectively, on door and doorframe, bore the through hole of onesize and number with above-mentioned through hole corresponding position, not lock body 1, door, lock body backplate 10 are reinforced with tack lead aircraft spiral shell by above-mentioned corresponding through hole, keeper 2, doorframe, keeper backplate 11 are reinforced, screw tack is outside door, doorframe, and is fastening with nut on lock body, the keeper in the door.In addition, on lock body 1 and keeper 2 side surfaces contacted, be drilled with some through holes, put spring washer with wood screw and respectively lock body 1 and keeper 2 are fixed on door and the doorframe.The mutual interlock of through hole cross arrangement on lock body and the keeper, fastening screw are slightly slightly outstanding, form the anti-barrier of dialling of a row.

Above-mentioned is the specific embodiment of two tongue anti-theft safety locks, by design scheme of the present utility model, also can be made into single tongue anti-theft safety lock.Lock body, lock body backplate, keeper, keeper backplate can be used iron plate (or steel plate) drawing, bore required through hole respectively at relevant position then, and other pieces are with existing phase-locked same.On this need illustrate a bit: need not lock outdoors backplate also can, but must put the fastening door of iron washer and lock body, doorframe and keeper with tack lead aircraft screw this moment.

Another embodiment: the inventor is by technical conceive of the present utility model, except that having made above-mentioned single, double tongue anti-theft safety lock, also at the shortcoming that has single, double tongue safety lock now, two kinds of solid lock tubes have been designed and produced, can add a cover on the lock body and keeper of single, double tongue safety lock, put iron washer with tack lead aircraft screw itself and door and doorframe are reinforced.As shown in Figure 3, Gu lock tube by lock body sheath 12, keeper cover 13 is formed.Lock body sheath and keeper cover have the tapered end through hole, stop button through hole, movable lug, slow-witted tongue through hole, fastening through-hole.During concrete the making, its required through hole is opened in available iron plate (or steel plate) drawing then, uses when installing with lead aircraft screw cover iron washer from inserting in the door admittedly the lock tube through hole nut of screwing on outdoors, Gu lock tube is promptly reinforced.

Claims (2)

1, a kind of novel anti-theft safety lock, by lock body (1), lock body backplate (10), keeper (2), keeper backplate (11) is formed, and lock body (1) is by shift fork (3), cover screw (4), handle (5), handle screw (6), cover plate (7), movable lug (8), slow-witted tongue (9) is formed, its feature │: on the lock body (1), on following both sides and afterbody and the keeper (2), some through holes are respectively bored in following both sides, at door with outdoors on lock body backplate (10) and doorframe and the doorframe external lock button box backplate (11), with lock body (1), keeper (2) is gone up the through hole corresponding position, bore identical size and number through hole, with lock body (1) and door and lock body backplate (10), keeper (2) is connected with doorframe and keeper backplate (11) and reinforces with tack lead aircraft screw.

2, a kind of novel anti-theft safety lock as claimed in claim 1, its feature: on lock body (1) and keeper (2) side surfaces contacted, bore some through holes respectively, put spring washer with wood screw, respectively it is fastened on door and the doorframe, the screw cross arrangement of lock body and keeper side is slightly slightly given prominence to the side in a straight line.

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