CN2362991Y - Theft-proof for transformer - Google Patents

Abstract

The utility model relates to a theft-proof lock for a transformer, which belongs to a theft-proof lock used for theft protection of the transformer. The utility model is composed of a lock body, a lock sleeve, a cross lock core, a control pin, etc., wherein the lock sleeve is positioned in the lock body; the cross lock core is arranged in the lock sleeve; the control pin enters the lock body and a blind hole of the lock sleeve for fixing the lock body and the lock sleeve. The utility model has the advantages of compact, scientific and reasonable structure and strong theft-proof ability. The theft-proof lock for the transformer is suitable for aspects of theft protection of various transformers.

Description

The transformer anti-theft lock

The utility model transformer anti-theft lock belongs to mechanical anti-theft technique, relates in particular to a kind of theftproof lock that is used for transformer anti-theft.

No matter existing transformer anti-theft lock is two insurance or three insurances, its structure all adopts common lock core, and do not have lock tube in the internal construction, also control is not sold, and its structure is in general more open, simple, and the lock body of its theftproof lock adopts cast iron or cast steel to form, though this theftproof lock has played certain antitheft effect, but key is imitated easily, and lock core is opened easily, and this just greatly reduces anti-theft feature.

The utility model transformer anti-theft lock provides a kind of theftproof lock of new structure, the goal of the invention of this theftproof lock has not only overcome existing transformer anti-theft and has been locked in the deficiency that antitheft aspect exists, and make it reach compact conformation, science, reasonable, strengthened positive effect and purposes such as theftproof performance greatly.

In order to realize above-mentioned goal of the invention, its technical scheme is as follows: the utility model transformer anti-theft is locked by lock body, lock tube, the cruciate flower lock core, button-headed bolt, formations such as nut and control pin, lock body epicoele and cavity of resorption connect, be designed to four row's pellets shot from a slingshot in the cruciate flower lock core, it is three narrow one wide that four grooves are designed to, four of quite common lock cores, the key that matches is the cruciate flower key, this cruciate flower lock core and key are difficult to imitated, strengthened theftproof performance, lock tube is positioned at lock body, the cruciate flower lock core is arranged in lock tube again, and the control pin is used for fixing lock body and lock tube, and button-headed bolt one end is at the lock body inner top, nut and button-headed bolt one end spin, and cruciate flower lock core pivot bush unit is in lock tube.

Lock body, lock tube are all forged with heat bundle steel and are caused shape, button-headed bolt one end enters in the lock body epicoele by the hole on lock body top, lock tube enters in the lock body cavity of resorption by the hole of lock body side, the hole of lock tube side is corresponding with the hole of lock body bottom face, the cruciate flower lock core enters in the lock tube by the hole of lock body bottom face, the reversal of the natural order of things of the dead bolt of cruciate flower lock core is in the hole of lock tube opposite side, and the control pin enters in lock body and the blind hole that lock tube matches.Button-headed bolt is fixed on the transformer cover plate with making its theftproof lock cooperating of nut, to reach antitheft purpose.

The utility model transformer anti-theft lock is compared with like product or technology has following characteristics: this transformer anti-theft lock is difficult for imitated, while anti-theft lock structure compactness, science, reasonable, and theftproof performance improves greatly.The antitheft of this theftproof lock is made up of three levels: the one, and the cruciate flower lock core; The 2nd, button-headed bolt and nut; The 3rd, the control pin.In addition, the nut that theftproof lock adopts must just can be laid down with specialist tools, and the control pin must could suck out it with special-purpose magnetic pen.This theftproof performance adopts closely linked way to be embodied.

Accompanying drawing is a transformer anti-theft lock cross-sectional view.

Below in conjunction with the embodiment accompanying drawing this patent application technology being done one describes in detail.Utility model transformer anti-theft lock can be learnt from accompanying drawing, the transformer anti-theft lock is by lock body 8, lock tube 6, cruciate flower lock core 7, control pin 9, button-headed bolt 1, nut 5 formations such as grade, lock tube 6 is positioned at lock body 8, cruciate flower lock core 7 is arranged in lock tube 6, and pivot bush unit is in lock tube 6, button-headed bolt 1 one ends enter lock body 8 epicoeles by the hole on lock body 8 tops, nut 5 spins with button-headed bolt 1, lock tube 6 enters in lock body 8 cavity of resorptions by the hole of lock body 8 sides, the hole that lock tube 6 one sides are opened faces the hole of lock body 8 bottoms, cruciate flower lock core 7 enters in the lock tube 6 by the hole of lock body 8 bottoms, the dead bolt 10 of cruciate flower lock core 7 hangs upside down in the hole of lock tube 6 opposite sides, control pin 9 enters in the blind hole of lock body 8 and lock tube 6, is used for fixing lock tube 6 and lock body 8, and lock body 8 upper and lower cavities communicate.Packing ring 3, spring washer 4 are between nut 5 and lock body 8 inner chamber tops, button-headed bolt 1 one ends enter in lock body 8 epicoeles by the hole of transformer cover plate 2 and the hole on lock body 8 tops, spin mutually with button-headed bolt 1 with nut 5 then, the transformer anti-theft locking is fixed on the transformer cover plate 2, and promptly the transformer anti-theft lock is fixedly mounted on the transformer cover plate 2.

When the transformer needs are antitheft, the user is installed in the transformer anti-theft lock on the transformer cover plate 2, insert in the cruciate flower lock core 7 with the cruciate flower key, rotation cruciate flower lock core 7, when hear clickly one the time, just can take out key, at this moment the dead bolt 10 of cruciate flower lock core 7 hangs upside down in lock tube 6 apertures, and dead bolt 10 is entered in lock tube 6 apertures.When needs dismounting transformer anti-theft lock, with magnetic pen sucking-off control pin 9, make cruciate flower lock core 7 break away from lock tube 6 with the cruciate flower key then, at this moment cruciate flower lock core 7, lock tube 6 can be taken out in lock body 8, twist the nut 5 that spins with button-headed bolt 1 with special tool again, take off button-headed bolt 1 and lock body 8 from transformer cover plate 2 at last, so far transformer anti-theft lock dismantlement work finishes.

Claims (3)

1, the utility model transformer anti-theft lock, contain lock body, button-headed bolt, nut, it is characterized in that also containing lock tube, cruciate flower lock core, control pin, lock tube is positioned at lock body, the cruciate flower lock core is arranged in lock tube again, the hole of button-headed bolt one end by the lock body top enters the lock body epicoele and nut screws, lock tube enters the lock body cavity of resorption by the hole of lock body side, the cruciate flower lock core enters in the lock tube that socket-connects with lock body by the hole of lock body bottom, and control pin enters among lock body and the blind hole that lock tube matches.

2, transformer anti-theft lock as claimed in claim 1 is characterized in that cruciate flower lock core pivot bush unit in lock tube, and the hole of lock tube side is corresponding with the hole of lock body bottom, and the dead bolt of cruciate flower lock core hangs upside down in the aperture of lock tube another side.

3, transformer anti-theft lock as claimed in claim 1 is characterized in that upper and lower chamber communicates in the lock body.

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