CN203260966U

CN203260966U - Bus connecting device

Info

Publication number: CN203260966U
Application number: CN 201320223651
Authority: CN
Inventors: 赵雪峰; 向军
Original assignee: GUANGDONG AMPLE TECHNOLOGY Co Ltd
Current assignee: GUANGDONG AMPLE TECHNOLOGY Co Ltd
Priority date: 2013-04-27
Filing date: 2013-04-27
Publication date: 2013-10-30
Anticipated expiration: 2023-04-27

Abstract

The utility model discloses a bus connecting device used for connection of a splicing cabinet. The splicing cabinet comprises an insulation sleeve pipe, an electric connecting member, and a grounding lead. The electric connecting member is disposed in the insulation sleeve pipe in a positioning manner, and the grounding lead is connected with the insulation sleeve pipe. The electric connecting member comprises an aluminum pipe, a plurality of arc-shaped metal sheets, and at least two buckle rings. The plurality of arc-shaped metal sheets are disposed around the aluminum pipe along the peripheral direction of the aluminum pipe. The buckle rings are disposed on outer walls of the plurality of arc-shaped metal sheets in a sleeved manner in order to fixedly dispose the arc-shaped metal sheets on the periphery of the aluminum pipe. The bus connecting device is advantageous in that the structure is simple, the assembly is convenient, and during the connection of the cabinet, the operation is simple and convenient, and the compact cooperation between the bus connecting device and the cabinet insulation seat can be formed, the positioning is reliable, and the distance between cabinets can be narrowed.

Description

Bus connecting device

Technical field

The utility model relates to the electrical connection technical field, especially relates to a kind of bus connecting device of piecing together the cabinet connection for cable branch box 10-24kV.

Background technology

Along with the development of power technology, the installation requirement of power equipment is more and more higher, and is also higher for the requirement of the aspects such as cooperation requirement, operation possibility and standardization of the interconnection technique of electric power system and electric property.

The bus connecting device that is used for the connection of assembly cabinet is the electrical connection arrangement that the galvanic circle of two cabinets is connected, it should guarantee the reliability that is electrically connected between adjacent two cabinets, therefore the insulation property of interface when assurance is connected with the contact pin of cabinet insulating base again are the emphasis that the designer considers always.

Yet, the common structure of existing bus connecting device is comparatively complicated, be not easy to assembling, and be applicable to connect between the larger cabinet of distance, and distance hour then is subject to the crawl space between two cabinets, constructional difficulties between cabinet, finally have to increase distance between cabinet, thereby cause unnecessary waste.

The utility model content

The technical problems to be solved in the utility model is, for the prior art above shortcomings, provides a kind of simple in structure, easy to assembly and can dwindle the bus connecting device of cabinet spacing.

The technical scheme that its technical problem that solves the utility model adopts provides a kind of bus connecting device, being used for piecing together cabinet connects, comprise insulating sleeve, electrical fitting and earth lead, wherein, this electrical fitting is positioned in this insulating sleeve, this earth lead then is connected to this insulating sleeve, described electrical fitting comprises aluminum pipe, a plurality of arc metal plates and at least two clasps, these a plurality of arc metal plates circumferentially distribute along described aluminum pipe, arrange around this aluminum pipe, described clasp then is placed on the outer wall of these a plurality of arc metal plates will these a plurality of arc metal plates to be fixed in the periphery of described aluminum pipe.

Preferably, the dual-side correspondence of each arc metal plate is provided with at least two draw-in grooves, and the set draw-in groove correspondence of the adjacent dual-side of adjacent two arc metal plates joins, and described clasp is buckled in the respective card slot of each arc metal plate and is spacing by this draw-in groove.

Preferably, each arc metal plate respectively is provided with a draw-in groove in the two ends of its dual-side, and the quantity of described clasp is two.

Preferably, axially convex with one or more positioning convex on the inwall of described insulating sleeve.

Preferably, the length of each arc metal plate is greater than the length of described aluminum pipe, and the two ends of each arc metal plate extend beyond described aluminum pipe.

Preferably, the quantity of described arc metal plate is three.

Preferably, described insulating sleeve comprises conduction internal layer, skin and is arranged at insulating barrier between this conduction internal layer and this skin.

Preferably, described insulating sleeve is by rear injection technique, adopts rubber to make.

Preferably, described earth lead is picked out by the skin of described insulating sleeve.

Preferably, described earth lead is for warding off the tin earth lead, and is crimped to described insulating sleeve by the crimp barrel pipe end.

The utility model bus connecting device is simple in structure, easy to assembly, its electrical fitting is sheathed by clasp and is fastened in the periphery of a plurality of arc metal plates, a plurality of arc metal plates are anchored on the aluminum pipe periphery, be convenient to that cabinet insulating base contact pin elasticity is planted and connect wherein and its tight fit, and more can form firm combination by positioning convex between this electrical fitting and the insulating sleeve, easy to assembly and cooperate firm.By this, when the utility model bus connecting device be used for to connect cabinet, easy and simple to handle and can form tight fit with the cabinet insulating base, the location is reliable, therefore be particularly suitable for constructing in crawl space, can dwindle the cabinet spacing, the expansion of thinking ring main unit provides the serial connection of multiple-limb.

Description of drawings

Fig. 1: the cutaway view that connects two cabinet insulators for the utility model bus connecting device.

Fig. 2: be the cutaway view of the insulating sleeve of the utility model bus connecting device

Fig. 3: be the schematic perspective view of the electrical fitting of the utility model bus connecting device.

Fig. 4: be the aluminum pipe of the electrical fitting of the utility model bus connecting device and the end view that cooperates of arc metal plate.

Embodiment

Shown in Fig. 1-4, the utility model bus connecting device 1 comprises insulating sleeve 10, electrical fitting 20 and earth lead 30, wherein, electrical fitting 20 is positioned in the insulating sleeve 10,30 of earth leads are connected to insulating sleeve 10 outer surfaces, and the two ends of insulating sleeve 10 are used for grafting cabinet insulating base 4.

As shown in Figure 2, insulating sleeve 10 comprises conduction internal layer 11, skin 13 and is arranged at insulating barrier 12 between conduction internal layer 11 and the skin 13, wherein conducts electricity axially to convex with one or more positioning convex 111 on the inwall of internal layer 11.This insulating sleeve 10 is by rear injection technique, adopts rubber to make.

Electrical fitting 20 comprises aluminum pipe 21, a plurality of arc metal plate 22 and at least two clasps 23, as shown in Figure 3-4.The length of each arc metal plate 22 is greater than the length of aluminum pipe 21, and the dual-side correspondence of each arc metal plate 22 is provided with at least two draw-in grooves 220.These a plurality of arc metal plates 22 circumferentially distribute along aluminum pipe 21, arrange around aluminum pipe 21, the adjacent dual-side of adjacent two arc metal plates 22 join and this adjacent dual-side on set draw-in groove 220 correspondences join.23 of clasps are placed on this on a plurality of arc metal plates 22 outer walls of aluminum pipe 21, and can be buckled in the respective card slot 220 of each arc metal plate 22, spacing by draw-in groove 220, thereby a plurality of arc metal plates 22 are fixed in the periphery of aluminum pipe 21, and the two ends of arc metal plate 22 extend beyond aluminum pipe 21.

In the present embodiment, the quantity of this arc metal plate 22 is three, and each arc metal plate 22 respectively is provided with a draw-in groove 220 in the two ends of its dual-side.Certainly, in addition, arc metal plate 22 also can be other quantity, such as two, four etc.; Each arc metal plate 22 also can arrange at each side the draw-in groove 220 of other quantity, such as three etc., and the position of this draw-in groove 220 also and not only is confined to the both ends of arc metal plate 22 sides, can also be positioned at the middle part of arc metal plate 22 sides, perhaps this draw-in groove also can extend to another side by a side of arc metal plate 22 outer walls, makes clasp 23 a plurality of arc metal plates 22 are anchored on the effect of aluminum pipe 21 peripheries thereby also can reach spacing clasp 23.

When electrical fitting 20 is assembled in insulating sleeve 10 when interior, but positioning convex 111 butts on the insulating sleeve 10 conduction internal layers 11 are to electrical fitting 20, to guarantee insulating sleeve 10 and electrical fitting 20 relative positionings and firm combination.

30 skins 13 by insulating sleeve 10 of earth lead pick out, and in the present embodiment, this earth lead 30 is for warding off the tin earth lead, and it can be crimped to insulating sleeve 10 by the crimp barrel pipe end, and is attractive in appearance fastening, and avoids stranded copper wire to injure product.

When the utility model bus connecting device 1 is used for piecing together the cabinet connection, as shown in Figure 1, the two ends of its insulating sleeve 10 are inserted in respectively in the insulating base 4 of two cabinets, so that the contact pin 41 of cabinet insulating base 4 inserts in the electrical fitting 20 and with it electrical connection, particularly, the contact pin 41 of two cabinet insulating bases 4 inserts the aluminum pipe 21 that is arranged in a plurality of arc metal plates 22 by the two ends of a plurality of arc metal plates 22 and locates wherein, sets up electrical connection.

Because the electrical fitting 20 of the utility model bus connecting device 1, be sheathed by clasp 23 and be fastened in the peripheral both ends of a plurality of arc metal plates 20 and should be anchored on aluminum pipe 21 peripheries by a plurality of arc metal plates 20, be convenient to cabinet insulating base 4 contact pins 41 elasticity and plant, and connect wherein and its tight fit.

In addition, also can form firm combination by positioning convex 111 between the electrical fitting 20 of bus connecting device 1 and the insulating sleeve 10, easy to assembly and cooperate firm.

To sum up, the utility model bus connecting device is simple in structure, easy to assembly, when connecting cabinet, easy and simple to handle and can form tight fit with the cabinet insulating base, the location is reliable, be particularly suitable in crawl space, constructing, therefore can dwindle the cabinet space D (referring to Fig. 1, for example, be contracted in the 32mm), the expansion of thinking ring main unit provides the serial connection of multiple-limb.

The above only is preferred embodiment of the present utility model, be not to limit claim scope of the present utility model, therefore all other do not break away from the equivalence of finishing under the spirit that the utility model discloses and changes or modify, and all should be contained in the claim scope of the present utility model.

Claims

1. bus connecting device, being used for piecing together cabinet connects, comprise insulating sleeve, electrical fitting and earth lead, wherein, this electrical fitting is positioned in this insulating sleeve, this earth lead then is connected to this insulating sleeve, it is characterized in that, described electrical fitting comprises aluminum pipe, a plurality of arc metal plate and at least two clasps, these a plurality of arc metal plates circumferentially distribute along described aluminum pipe, arrange around this aluminum pipe, described clasp then is placed on the outer wall of these a plurality of arc metal plates will these a plurality of arc metal plates to be fixed in the periphery of described aluminum pipe.

2. bus connecting device according to claim 1, it is characterized in that, the dual-side correspondence of each arc metal plate is provided with at least two draw-in grooves, and the set draw-in groove correspondence of the adjacent dual-side of adjacent two arc metal plates is joined, and described clasp is buckled in the respective card slot of each arc metal plate and is spacing by this draw-in groove.

3. bus connecting device according to claim 2 is characterized in that, each arc metal plate respectively is provided with a draw-in groove in the two ends of its dual-side, and the quantity of described clasp is two.

4. bus connecting device according to claim 1 is characterized in that, axially convexes with one or more positioning convex on the inwall of described insulating sleeve.

5. bus connecting device according to claim 1 is characterized in that, the length of each arc metal plate is greater than the length of described aluminum pipe, and the two ends of each arc metal plate extend beyond described aluminum pipe.

6. bus connecting device according to claim 1 is characterized in that, the quantity of described arc metal plate is three.

7. bus connecting device according to claim 1 is characterized in that, described insulating sleeve comprises conduction internal layer, skin and is arranged at insulating barrier between this conduction internal layer and this skin.

8. bus connecting device according to claim 1 is characterized in that, described insulating sleeve is by rear injection technique, adopts rubber to make.

9. bus connecting device according to claim 7 is characterized in that, described earth lead is picked out by the skin of described insulating sleeve.

10. bus connecting device according to claim 9 is characterized in that, described earth lead is for warding off the tin earth lead, and is crimped to described insulating sleeve by the crimp barrel pipe end.