CN101958175A

CN101958175A - Jointing clamp safety hood of transformer

Info

Publication number: CN101958175A
Application number: CN201010194332XA
Authority: CN
Inventors: 李金峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-08
Filing date: 2010-06-08
Publication date: 2011-01-26

Abstract

The invention relates to a jointing clamp safety hood of a transformer, comprising an upper cover and a lower cover which are made of an insulation material. Two bended ends which are relatively arranged downwards are respectively arranged at the back end of the upper cover and the back end of the lower cover, the upper cover and the lower cover are butted through a clamping waterproof mechanism to form a right angle shape cavity which coincides with the external outline of a sleeve jointing clamp of the transformer and consists of a cross bar and a vertical bar, two through holes of an insulation bottle, which are used for penetrating through an output wire through hole and a transformer sleeve are respectively arranged at the front end of the cavity and the bottom end of each bended end, and a flange facing outsides is arranged at the edge of the output wire through hole of the front end of the cavity. The clamping waterproof mechanism is conveniently installed and can efficiently prevent rainwater and frost snow from entering the cavity, thereby avoiding corrosion of a connecting piece and a wire caused by evaporation of water in the cavity, preventing a power grid fault caused therefrom and ensuring normal running of a power grid.

Description

Transformer binding clip safety cover

Technical field

The present invention relates to power equipment, specifically is transformer binding clip safety cover, is used to be enclosed within distribution transformer high pressure and low-voltage output outside, has functions such as anti-electricity-theft, protection against electric shock, waterproof and dustproof, snow defence frost.

Background technology

The anti-electricity-theft safety guard of bushing shell for transformer binding clip of prior art, its basic structure comprises loam cake and the lower cover of being made by insulating material, both rear ends are equipped with corresponding downward bent-up end, both erect the square cavity of forming by what plug-in connection butt joint formation one and bushing shell for transformer binding clip exterior contour matched by a horizontal stroke one, are respectively equipped with the through hole that is used to pass the output lead through hole and passes the insulating bottle of bushing shell for transformer at the front end of this cavity and the bottom of bent-up end; Be provided with mutual corresponding through hole at described loam cake with both sides between the lower cover, and fastening by screw, described plug-in connection is by two pairs of protruding rails that are slidingly matched mutually and chute, and the two pairs of corresponding mutually location plates and slot are formed.Find that in application practice its problem of depositing is: adopt screw that upper and lower covers is fastening, be easy to occur screw and get rusty and the phenomenon of water inlet occurs, and the plug-in connection that adopts is very inconvenient in actual installation, occurs dislocation easily; Interface sealing between the through hole of the output lead of front end and loam cake and the lower cover is bad, enter in the cavity easily at sleety weather rainwater or snow-broth, discharge outlet is for being horizontally disposed with, rainwater or snow-broth can not be discharged in cavity fully, and the steam of evaporation in the cavity is not easy to come out, and is easy to cause connector and lead generation corrosion in the cavity, can cause the loose contact or the short circuit of connector behind the long-play, therefore can cause the fault of electric power networks, influence normal power supply.

Summary of the invention

Purpose of the present invention just provides a kind of transformer binding clip safety cover, the installation that exists with the solution prior art misplaces easily, the output lead through hole of front end and the sealing of the interface between loam cake and the lower cover are bad, enter in the cavity easily at sleety weather rainwater or snow-broth, the steam of evaporation is not easy to come out in the cavity, be easy to cause connector and lead generation corrosion in the cavity, can cause the loose contact of connector behind the long-play, therefore can cause the failure problems of electric power networks.Technical scheme of the present invention is: transformer binding clip safety cover, comprise loam cake and the lower cover made by insulating material, both rear ends are equipped with corresponding downward bent-up end, both erect the square cavity of forming by what clamping proof mechanism of water butt joint formation one and bushing shell for transformer binding clip exterior contour matched by one horizontal one, be respectively equipped with the through hole that is used to pass the through hole of output lead and passes the bushing shell for transformer insulating bottle at the front end of this cavity and the bottom of bent-up end, edge at the through hole of the output lead of described cavity front end is provided with outside flange, the loam cake of described formation cavity front end is provided with relative loam cake lug boss and lower cover lug boss with covering down, it is characterized in that: described clamping proof mechanism of water is on described loam cake and lower cover butt end, the end face of described loam cake upwards forms inner groovy, the end face of described lower cover formation outer lug protruding upward, described outer lug and inner groovy coincide mutually and form concavo-convex mechanism, be provided with the outwards outstanding fin of level at the back segment of described cavity front end and the butt end of bent-up end, have upper groove and low groove on the back side mutually of described loam cake and the fin of lower cover, and the fin that is clamped on loam cake and lower cover with the two ends of clamp is mutually in the groove at the back side.

The inwall of described flange is bonded with the O RunddichtringO.

The fin that described concavo-convex mechanism is a loam cake upwards forms arc groove, and the fin of described lower cover is gone up mutually and formed projection, and is slidingly matched with arc groove.

The fin that described concavo-convex mechanism is a loam cake upwards forms inverted triangular-shaped grooves, and the fin of described lower cover is gone up mutually and formed projection, and is slidingly matched with triangular groove.

Described lower cover front inner wall is provided with a wedge shape plastic plate, is provided with discharge outlet following the covering of its lower end.

Advantage of the present invention is: adopt the clamping proof mechanism of water that slides, and easy for installation, prevented the generation of stealing electricity phenomenon.Current-carrying part with lead-out terminal covers in the airtight cavity simultaneously, prevents that dust, rainwater and snow frost from dropping on the porcelain vase surface, avoids may causing thus electric leakage, short circuit and contact between outlet line and the transformer case; The proof mechanism of water that is provided with at the flange of the front end of cavity, interface between loam cake and lower cover, can prevent effectively that rainwater and snow frost from entering cavity, thereby avoid moisture content in cavity, to evaporate and cause the corrosion of connector and lead, thereby prevent the fault of the electric power networks that may cause thus, guaranteed the normal operation of electrical network.

Description of drawings

Fig. 1 is a general structure schematic diagram of the present invention;

Fig. 2 is the sectional structure schematic diagram of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the upward view of Fig. 1;

Fig. 5 is a schematic diagram of the concavo-convex mechanism of the present invention;

Fig. 6 is another schematic diagram of the concavo-convex mechanism of the present invention;

Fig. 7 is the structural representation of loam cake upright state;

Fig. 8 is the structural representation of lower cover upright state;

Fig. 9 is the vertical view of Fig. 7;

Figure 10 is the vertical view of Fig. 8.

Embodiment

Referring to Fig. 1～Figure 10, this embodiment of the invention is made of loam cake 1 and lower cover 2 two parts, and both are docking together by clamping mechanism, loam cake 1 and lower cover 2 constitute that an exterior contour that presss from both sides with the transformer low voltage conduit connection matches have bent-up end 13 similar "

" cavity of shape.Should "

" the horizontal essential part of shape is cylinder, loam cake 1 and lower cover respectively account for half, and preceding (left side) end center is provided with the reducing flange 14 of outside protrusion.Be provided with outside protuberance (constituting) by the protuberance 11 of loam cake 1 and the protuberance 23 of lower cover 2 at the middle part of described cylinder.The left side of the bent-up end 13 of loam cake 1 is an open design, and corresponding with it is the bent-up end (platy structure) 27 of lower cover 2, is provided with the portion of arching upward 12 on loam cake 4, and when loam cake 1 was connected together with lower cover 2, both bent-

up ends

13 and 27 were docking together and constitute the cavity of bent-up end.Be provided with the reducing plate 24 that is connected with the bent-up end 27 of lower cover 2 in the lower end of this bent-up end cavity and constitute through hole, be used to pass the insulating bottle of described bushing shell for transformer with 15, two the reducing plates 24 of reducing plate that are connected with loam cake bent-up end 13 lower ends and 15.Described loam cake 1 and lower cover 2 are made by insulating material, and described insulating material is preferably transparent plastic, makes of injection moulding process.Described clamping proof mechanism of water is on described loam cake 1 and lower cover 2 butt ends, the end face of described loam cake 1 upwards forms inner groovy 18, the end face of described lower cover formation outer lug 20 protruding upward, described outer lug 20 and inner groovy 18 coincide mutually and form concavo-convex mechanism, more can effectively prevent entering of rainwater, be provided with the outwards

outstanding fin

17 and 30 of level at the back segment of the loam cake 1 of described formation cavity and lower cover 2 front ends and the butt end of bent-up end 13, have upper groove 16 and low groove 21 on the fin 17 of described loam cake 1 and

lower cover

2 and 30 the back side mutually, and be clamped in the upper groove 16 and low groove 21 of loam cake 1 and lower cover 2 with the two ends of clamp 20.The inwall of described flange 14 is bonded with O RunddichtringO 16.

Described concavo-convex mechanism is that the end face of described loam cake 1 upwards forms arc groove 18 on the butt end of loam cake 1 and lower cover 2, and the end face of described lower cover is gone up mutually and formed arc convex 20, and is slidingly matched with arc groove 18.

Described concavo-convex mechanism is for being that the end face of described loam cake 1 upwards forms inverted triangular-shaped grooves 18 ' on the butt end of loam cake 1 and lower cover 2, and the end face of described lower cover 2 is gone up mutually and formed triangular hill 20 ', and is slidingly matched with inverted triangular-shaped grooves 18 '.

Described lower cover 2 front inner wall are provided with a wedge shape plastic plate 28, are provided with discharge outlet 29 on the lower cover 2 of its lower end, if rainwater enters in the cavity, and can very fast water be discharged.

Front in lug boss 23 butt ends of the lug boss 11 of loam cake 1 and lower cover 2 is provided with a proof mechanism of water 22, described proof mechanism of water 22 stretches out for the fin (not shown) of loam cake 1, and curve inwardly, in the fin (not shown) of lower cover 2 is coated on, more can effectively prevent entering of moisture.

Claims

1. transformer binding clip safety cover, comprise loam cake and the lower cover made by insulating material, both rear ends are equipped with corresponding downward bent-up end, both erect the square cavity of forming by what clamping proof mechanism of water butt joint formation one and bushing shell for transformer binding clip exterior contour matched by one horizontal one, be respectively equipped with the through hole that is used to pass the through hole of output lead and passes the bushing shell for transformer insulating bottle at the front end of this cavity and the bottom of bent-up end, edge at the through hole of the output lead of described cavity front end is provided with outside flange, the loam cake of described formation cavity front end is provided with relative loam cake lug boss and lower cover lug boss with covering down, it is characterized in that: described clamping proof mechanism of water is on described loam cake and lower cover butt end, the end face of described loam cake upwards forms inner groovy, the end face of described lower cover formation outer lug protruding upward, described outer lug and inner groovy coincide mutually and form concavo-convex mechanism, be provided with the outwards outstanding fin of level at the back segment of described cavity front end and the butt end of bent-up end, have upper groove and low groove on the back side mutually of described loam cake and the fin of lower cover, and the fin that is clamped on loam cake and lower cover with the two ends of clamp is mutually in the groove at the back side.

2. transformer binding clip safety cover according to claim 1 is characterized in that: the inwall of described flange is bonded with the O RunddichtringO.

3. transformer binding clip safety cover according to claim 1, it is characterized in that: described concavo-convex mechanism is on the butt end of loam cake and lower cover, the end face of described loam cake upwards forms arc groove, and the end face of described lower cover is gone up mutually and formed arc convex, and is slidingly matched with arc groove.

4. transformer binding clip safety cover according to claim 1, it is characterized in that: described concavo-convex mechanism is for being on the butt end of loam cake and lower cover, the end face of described loam cake upwards forms inverted triangular-shaped grooves, the end face of described lower cover is gone up mutually and is formed triangular hill, and is slidingly matched with inverted triangular-shaped grooves.

5. transformer binding clip safety cover according to claim 1 is characterized in that: described lower cover front inner wall is provided with a wedge shape plastic plate, is provided with discharge outlet following the covering of its lower end.