CN206806621U - A kind of low current concentration bus duct pin component - Google Patents

Abstract

The utility model provides a small current-intensive busway pin assembly, which includes a socket block and a pin block. The socket block includes a welding groove and a snap-fit corrugation. The pin block includes a pin and a torsion spring. The pin includes a clip pin and a clamping corrugation. The socket block is fixedly connected to the busbar through the welding groove instead of full welding. The welding groove is filled with solder and then welded. The welding time is short, the welding deformation is small, and the temperature generated will not damage the silver plating layer on the surface. At the same time, the snapping corrugations on the socket block and the clamping corrugations on the pins are in a mutual cooperation relationship, which increases the contact area when plugging in, and the pins are clamped with the socket block by a torsion spring to ensure the direction and strength of the clamping. The combination of pin components is not easy to loose; the design of the utility model reduces the loss of electrical conductivity of the pin components, and has a simple structure and a reasonable design.

Description

A small current-intensive bus duct pin assembly

technical field

The utility model relates to the technical field of intensive bus ducts, in particular to a small current intensive bus duct pin assembly.

Background technique

With the emergence of modern engineering settings and equipment, the power consumption of all walks of life is increasing rapidly, especially the emergence of many high-rise buildings and large workshops. The traditional cables used as power transmission wires can no longer meet the requirements in large current transmission systems. The parallel use of multiple cables brings a lot of inconvenience to the site installation and construction connection. Busway has increasingly replaced wires and cables in indoor low-voltage power transmission trunk line projects.

The socket block in the pin assembly of the traditional intensive busway is fixedly connected to the busbar through full welding, which reduces the effective contact surface between the socket block and the busbar, and reduces the electrical conductivity. At the same time, the high temperature generated by full welding will make the socket block The silver-plated layer is oxidized and blackened, which affects the conductivity and appearance. In addition, the pin components are in a plane connection, the contact surface of the plug is small, the conductive effect is reduced, and the plug is not reliable.

Utility model content

The purpose of the utility model is to provide a small current-intensive busway pin assembly, which increases the effective contact area between the pin assembly and the busbar and the contact area between the pin assemblies, reduces the loss of electrical conductivity, and increases the stability of insertion.

In order to achieve the above object, the utility model adopts the following technical solutions:

A small current-intensive bus duct pin assembly is characterized in that it includes a socket block and a pin block, the socket block includes snapping corrugations and welding grooves, and the snapping corrugations are located in the middle of the two sides of the socket block position, the snapping corrugation is a triangular structure in section, the welding groove is located at the lower end of the body, the welding groove is two semicircular groove structures with the same structure, and the socket block is fixed by the welding groove Welded on the busbar; the pin block includes pins and torsion springs, the tops of the two pins are rotatably connected by the torsion springs, and the bottom of the pins is provided with three pairs of clamping feet, which are connected to the The pins are of an integrated structure, the structure, size and shape of the pins are exactly the same, the position, size, and structure of each pair of pins are in a corresponding relationship, and the inner side of one end of the pins is respectively provided with clamping corrugations, The clamping corrugation has a triangular cross-section, and the position, structure, and shape of the clamping corrugation are in a cooperative relationship with the position, structure, and shape of the engaging corrugation;

The above-mentioned small current-intensive bus duct pin assembly, wherein the welding slots are symmetrically distributed at one end of the socket block;

The above-mentioned small current-intensive bus duct pin assembly, wherein the welding slot is processed by punching.

The beneficial effects of the utility model are manifested in:

The utility model provides a small current-intensive busway pin assembly, which includes a socket block and a pin block. The socket block includes a welding groove and a snap-fit corrugation. The method of full welding is only to ensure that the solder fills the welding groove for welding, the welding time is short, the welding deformation is small, and the temperature generated will not damage the silver plating layer on the surface. In order to cooperate with each other, the contact area during plugging is increased, and the torsion spring is used to clamp at the same time to ensure the direction and strength of the clamping, so that the combination of the pin components is not easy to loosen; the design of this utility model reduces the loss of electrical conductivity of the pin components and The structure is simple and the design is reasonable.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model.

Fig. 2 is a schematic structural diagram of the socket block of the utility model.

Fig. 3 is a schematic diagram of the structure of the pin block of the utility model.

Fig. 4 is a partially enlarged view of A of the utility model.

detailed description

Below in conjunction with accompanying drawing, the utility model is made concrete description.

As shown in the figure, a small current-intensive busway pin assembly is characterized in that it includes a socket block 1 and a pin block 2. The socket block 1 includes a snap-fit corrugation 11 and a welding groove 12. The snap-fit corrugation 11 Located in the middle of the two sides of the socket block 1, the snap corrugation 11 is a triangular structure in cross section, the welding groove 13 is located at the lower end of the body 11, and the welding groove 13 is two structurally complete The same semi-circular groove structure, the socket block 1 is fixedly welded on the busbar through the welding groove 12; the pin block 2 includes a pin 21 and a torsion spring 22, and the tops of the two pins 21 pass through the torsion spring 22 to realize the rotatable connection, the bottom of the pin 21 is provided with three pairs of pins 23, the pins 23 and the pins 21 are integrated structure, the structure, size and shape of the pins 23 are exactly the same, the The position, size, and structure of each pair of clamping feet 23 are in a corresponding relationship. The inner side of one end of the clamping feet 23 is respectively provided with clamping corrugations 24, and the clamping corrugations 24 are triangular structures in cross section. The clamping corrugations 24 The position, structure and shape of the snap-on corrugation 12 are in a cooperative relationship with the position, structure and shape of the engaging corrugation 12;

The above-mentioned small current-intensive busway pin assembly, wherein the welding grooves 12 are symmetrically distributed at one end of the socket block 1;

The above-mentioned small current-intensive busway pin assembly, wherein the welding groove 12 is processed by punching.

An example of use is a new type of small current-intensive busway pin assembly, in which the socket block 1 is welded to the busbar 3 through the welding groove 13, and the solder needs to fill the welding groove 13 and weld it, and the pin 2 is passed through One end of the pin 21 is fixed in the plug-in box by welding; the socket block 1 and the pin block 2 are clamped and connected to the main body 11 through the cooperation of the clamp pin 22 and the torsion spring 23, wherein the corrugation 12 and the clamp The mutual cooperation of the tight corrugations 24 makes the contact area larger and the clamping tighter.

The beneficial effects of the utility model are manifested in:

The utility model provides a small current-intensive busway pin assembly, which includes a socket block and a pin block. The socket block includes a welding groove and a snap-fit corrugation. The method of full welding is only to ensure that the solder fills the welding groove for welding, the welding time is short, the welding deformation is small, and the temperature generated will not damage the silver plating layer on the surface. In order to cooperate with each other, the contact area during plugging is increased, and the torsion spring is used to clamp at the same time to ensure the direction and strength of the clamping, so that the combination of the pin components is not easy to loosen; the design of this utility model reduces the loss of electrical conductivity of the pin components and The structure is simple and the design is reasonable.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of Any changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (3)

1. A kind of 1. low current concentration bus duct pin component, it is characterised in that including socket block and pin block, the socket block Including engaging ripple and welding groove, the engaging ripple is located at the centre position of two sides of the socket block, the engaging Ripple is the structure that section is triangle, and the welding groove is located at the lower end of the socket block, and the welding groove is two structures Identical semicircle slot structure, the socket block are fixedly welded on busbar by the welding groove；The pin block includes Pin and torsion spring, the top of described two pins is realized by the torsion spring to be rotatably connected, and the bottom of the pin is provided with three To pinch, the pinch and the pin are integral type structure, and structure, size, the shape of the pinch are identical, described every It is corresponding relation to the position of pinch, size, structure, clamping ripple, the clamping is respectively equipped with the inside of one end of the pinch Ripple is the structure that section is triangle, the position for clamping ripple, structure, shape and the position for engaging ripple, knot Structure, it is shaped as matching relationship.
2. A kind of 2. low current concentration bus duct pin component according to claim 1, it is characterised in that the welding groove It is symmetrically distributed in one end of the socket block.
3. A kind of 3. low current concentration bus duct pin component according to claim 1, it is characterised in that the welding groove It is process by the way of punching.