CN203403737U - Cover plate anti-theft lock of buried transformer - Google Patents

Abstract

The utility model discloses an anti-theft lock for a cover plate of an underground transformer, which comprises a buckle seat, two buckles and a padlock. The lock seat is installed in the center of the outer surface of the rear side frame by screws; the two locks have the same structure and are symmetrical structures, and the two locks take the lock seat as the symmetrical center one by one. Correspondingly fixed on the lower end surface of the left flip cover and the lower end surface of the right flip cover, the two locks can cover the screws on the lock seat when the left flip cover and the right flip cover are closed; When the left flip cover and the right flip cover are closed, the lock catch seat and the two lock catches are connected together. When the cover plate anti-theft lock of the utility model is closed with the left flip cover and the right cover plate, the lock catch is blocked before the installation screw of the lock catch seat, which can prevent disassembly with a screwdriver, and effectively plays an anti-theft effect.

Description

An anti-theft lock for cover plate of buried transformer

technical field

The utility model relates to an anti-theft lock for a cover plate of an underground transformer.

Background technique

The buried transformer is installed in the basement or cellar, which can advocate green power and optimize the urban environment. It is suitable for streets, highways, bridges, tunnels, parking lots, and is suitable for lighting and power systems in urban environments, airports, ports, tourist attractions, etc., especially Suitable for densely populated central cities. The buried transformer is divided into two parts above ground and underground, and its body is installed in a pit constructed of concrete without occupying surface space. The cover of the buried transformer is equipped with high-voltage casing and low-voltage terminals, high-voltage load switch and backup fuse, plug-in lightning arrester, pressure relief valve, vacuum pressure gauge, temperature control and oil level indicator. These accessories can be found in Observe and operate on the ground. The oil tank is made of stainless steel, with a fully sealed structure and a closed welded structure along the tank to minimize the sealing area, and can operate safely for a long time in the special environment in the ground.

However, the buried transformer has not completely solved the safety problem at the upper end of the pit, so it has been greatly affected in the transformation of the urban power grid into the ground.

First of all, it is necessary to solve the anti-theft problem of the buried transformer, that is, to prevent the cover plate from being easily opened by criminals.

Utility model content

The purpose of this utility model is to overcome the defects of the prior art and provide a cover anti-theft lock for buried transformers. It can be disassembled with a screwdriver, which effectively plays an anti-theft role.

The technical solution to achieve the above purpose is: a cover plate anti-theft lock for buried transformers, including a rectangular cubic pit whose upper part is exposed to the ground and has an open upper end, a transformer installed in the pit, and an aboveground part located at the upper end of the pit, The above-ground part includes a ventilation window and a cover plate part; the ventilation window includes a window installed on the outer side of the upper end surface of the wall of the pit, and the window consists of front and rear side frames and left and right side frames. Enclosed; the cover plate includes a left flip cover whose left end is hinged on the upper end of the left frame and a right flip cover whose right end is hinged on the upper end of the right frame; the cover anti-theft lock includes a lock seat, Two lock buckles and a padlock, wherein the lock buckle seat is installed on the center of the outer surface of the rear side frame by screws; the two lock buckles have the same structure and are symmetrical structures, and the two lock buckles are The lock seat is fixed on the lower end surface of the left flip cover and the lower end surface of the right flip cover one by one in a symmetrical center, and the two lock catches can block the lock when the left flip cover and the right flip cover are closed. The screw on the buckle seat; the padlock connects the buckle seat and the two buckles together when the left flip and the right flip are closed.

The cover plate anti-theft lock of the above-mentioned buried transformer, wherein, the lock seat includes a base plate with several installation holes and a splint vertically fixed in the center of the base plate and provided with a keyhole to form a T-shaped structure; each The lock includes a right-angle plate—a plywood that is connected to one end of the right-angle plate and also opens a keyhole; the horizontal planes of the right-angle plates of the two lock buckles are welded on the lower end surfaces of the left flip cover and the right flip cover. When the left flip and the right flip are closed, the plywood of the buckle on the left flip and the plywood of the buckle on the right flip are parallel to the two sides of the splint of the lock seat and the keyhole and the lock seat The keyhole on the upper side is coaxial, and make the vertical plane of the right-angle plate on the left flip cover and the vertical plane of the lock buckle on the right flip cover parallel to the front side of the bottom plate of the lock seat.

The anti-theft lock for the cover plate of the buried transformer of the utility model adopts a lock seat installed on the window with screws, and the lock is welded on the left cover and the right cover. When the left cover and the right cover are closed, the lock The buckle is covered in front of the mounting screw of the lock buckle seat, which can prevent disassembly with a screwdriver, and effectively plays an anti-theft role.

Description of drawings

Figure 1 is a schematic diagram of the structure of the buried transformer;

Fig. 2 is a structural schematic diagram of the cover plate anti-theft lock of the buried transformer of the present invention;

Fig. 3 is a structural schematic diagram of the lock seat in the cover plate anti-theft lock of the buried transformer of the present invention;

Fig. 4 is a structural schematic diagram of the latch in the cover plate anti-theft lock of the buried transformer of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the present utility model, its specific implementation will be described in detail below in conjunction with the accompanying drawings:

Please refer to FIG. 1 , the buried transformer includes a rectangular cube pit 10 with the upper part exposed to the ground and an upper end open, a transformer installed in the pit 10 and an aboveground part located at the upper end of the pit 10 . The above-ground part includes ventilation windows and covers. Ventilation window comprises the form 2 that is installed on the outer side of the wall of the upper end face of pit 10, and this form 2 is surrounded by front and rear side frame 21,22 and left and right side frame 23,24; It includes a left flip cover 31 whose left end is hinged on the upper end of the left side frame 23 and a right flip cover 32 whose right end is hinged on the upper end of the right side frame 24 .

Please refer to Fig. 2 to Fig. 4 again, the anti-theft lock of the cover plate of the buried transformer of the present utility model includes a buckle seat 71, two buckles 72, 72' and a padlock (not shown in the figure), wherein,

Lock seat 71 comprises a base plate 711 and a clamping plate 712 and is T-shaped structure, offers some installation holes on the base plate 711, offers a keyhole on the clamping plate 712 and is vertically fixed on the center of base plate 711; Lock seat 71 is installed in by screw the center of the outer side of the rear side frame 22;

The structures of the two lock catches 72 are identical and symmetrical. Each lock catch 72 includes a right-angle plate 721 and a plywood 722. A keyhole is also provided on the plywood 722 and connected to one end of the right-angle plate 721; The horizontal plane of the rectangular plate 721 is welded to the lower end surface of the left flip 31 and the lower end of the right flip 32 with the lock seat 71 as the center of symmetry. When the left flip 31 and the right flip 32 are closed, the left flip 31 is closed. The plywood on the plywood and the plywood on the right flip cover 32 are located in parallel on both sides of the splint 712 of the buckle seat 71 and the keyhole is coaxial with the keyhole on the buckle seat 71, and the vertical plane of the right-angled plate on the left flip cover 71 and The vertical surface of the right-angle plate on the right flip cover 32 is parallel to the front side of the bottom plate 711 of the lock seat 71;

The padlock connects the buckle seat 71 and two buckles 72, 72' together when the left flip cover 31 and the right flip cover 32 are closed.

The cover plate anti-theft lock of the buried transformer of the present utility model, when the left flip cover 31 and the right cover plate 32 are closed, the lock catch is blocked before the mounting screw of the lock catch seat, which can prevent disassembly with a screwdriver, effectively playing an anti-theft effect.

Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above-mentioned The changes and modifications of the embodiments will all fall within the scope of the claims of the present utility model.

Claims (2)

1. a cover plate theftproof lock for Covered transformer, comprise top basset and be upper end open the cubical melt pit of rectangle, be arranged on the transformer in melt pit and be positioned at the overground part of melt pit upper end, described overground part comprises vent window and cover plate part; Described vent window comprises the forms of the outside portion of the body of wall upper surface that is arranged on described melt pit, and these forms are held around and formed by forward and backward side frame and left and right side frame; Renovate on the right side that described cover plate comprises that a left side that left end is hinged on the upper end of described left frame is renovated and right-hand member is hinged on the upper end of described right frame; It is characterized in that, described cover plate theftproof lock comprises a snap close seat, two snap closes and a padlock, wherein,

Described snap close seat is arranged on the central authorities of the lateral surface of described rear side frame by screw;

The structure of described two snap closes is identical and be symmetrical structure, these two snap closes be take the lower surface that renovate on lower surface that described snap close seat renovates on a described left side as symmetrical centre is fixed on correspondingly and the described right side, and these two latch in that renovate on a described left side and right renovating while closing can be blocked the screw on described snap close seat;

Described padlock is renovated on a described left side with the right side and is renovated while closing snap close seat and two snap closes are linked together.

2. the cover plate theftproof lock of Covered transformer according to claim 1, is characterized in that, described snap close seat comprises that the base plate and of offering some installing holes is vertically fixed on the central authorities of base plate and offers the clamping plate of a keyhole and T-shaped structure; Described in each, snap close comprises that a L-square is connected to one by one L-square one end and also also offers the plywood of a keyhole; The horizontal plane of the L-square of two snap closes is welded on lower surface and the right lower surface of renovating of renovating on a described left side, on a described left side, renovate with the right side and renovate while closing, make the plywood of the snap close that a described left side renovates and the plywood of the right snap close of renovating be positioned at abreast both sides and the keyhole of clamping plate of described snap close seat coaxial with the keyhole on snap close seat, and make the vertical plane of the vertical plane of L-square that a described left side renovates and the L-square of the snap close that renovate on the right side be positioned at abreast the front side of the base plate of described snap close seat.

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