CN108346883A - A kind of bus duct base pin and its mounting structure - Google Patents

Abstract

The bus duct pin and its installation structure of the present invention, the contacts are connected on both sides of the lower part of the pin base, the positioning installation grooves are arranged on both sides of the upper part of the I-shaped structure, and the insulating seat is divided into multiple bus duct pins connected to each phase by a plurality of vertical partitions. Corresponding to the insulating cell, the fixed plate is located between the adjacent vertical partitions and is provided with an open slot for the pins to pass through from top to bottom. The horizontal guide groove on the board cooperates to form the limit groove of the U-shaped plug-in board. After the U-shaped plug-in board is inserted into the limit slot, the pins are positioned and installed in the insulating seat, and the U-shaped plug-in board is limited by the limit boss. Compact structure, small space occupation, high accuracy of installation position, convenient assembly and operation.

Description

A bus duct pin and its installation structure

technical field

The invention relates to a pin of a bus duct and an installation structure thereof.

Background technique

The installation structure of the pins of the busway in the prior art is complicated, the operation steps are cumbersome, the contacts are large in size, the overall size of the pins is large, and it takes up a lot of space, resulting in an uncompact product structure, inconvenient installation and operation, and difficult maintenance and replacement. Not very accurate.

Contents of the invention

The technical problem to be solved by the present invention is to provide a bus duct pin and its installation structure with compact structure, high installation position accuracy and convenient assembly.

The bus duct pin of the present invention is characterized in that it includes a pin base body, the base body is divided into two parts, an upper section and a lower section, the lower section is a flat structure, and contacts are connected to both sides of the flat structure, and the upper section is an I-shaped structure with an I-shaped structure. There are positioning and installation grooves on both sides of the structure to facilitate positioning and matching with the mounting bracket; the upper end of the contact is fixed and riveted on both sides of the lower section of the base, and the lower end is bent and formed to form a slot that gradually approaches the longitudinal centerline of the base;

The upper part of the base body is provided with a longitudinal installation hole opening on the top surface of the base body and extending downward in the vertical direction. The pin base body can be fixedly connected to the conductive wire through the installation hole, and the lower part of the base body is provided with two riveting holes in the horizontal direction side by side. The head can be fixedly connected to both sides of the lower part of the pin base through the riveting hole;

The contact includes a pair of conductive sheets arranged symmetrically along the lower section of the base body, elastic contact sheets are arranged on the outside of the conductive sheet, and the elastic contact sheets are tightly clamped on the outside of the conductive sheet;

The material of the elastic contact piece is a manganese steel sheet;

The present invention also relates to a mounting structure applied to the pins of the above-mentioned bus duct, which includes an insulating seat, a fixing plate in the middle of the insulating seat, a plurality of vertical partitions passing through the fixing plate are arranged on the fixing plate, and side plates are arranged on both sides , the fixed plate is located at the position between the adjacent vertical partition, the vertical partition and the side plate, and an open slot can be provided for the pin to pass through from top to bottom, and the vertical partition positions the fixed plate above and below the open slot The space is divided into a plurality of insulating cells corresponding to the pins of each phase bus duct; horizontal guide grooves are provided on each side of the vertical partition, and a U-shape that can be inserted along the horizontal guide grooves to provide a limit for the pins is provided in each insulating cell. For the plug-in board, the vertical partition is provided with a tapered limiting boss which can provide a limit for the U-shaped plug-in board; bit boss;

The height of the two folded edges of the U-shaped board is smaller than the height of the middle connecting beam, the height of the middle connecting beam is adapted to the height of the horizontal guide groove, and the height of the two folded edges is adapted to the height of the installation grooves on both sides of the I-shaped structure of the upper part of the pin base;

The insulating chamber on one side of the insulating base is the PE phase insulating chamber, the height of the horizontal guide groove in the PE phase insulating chamber is smaller than the height of the horizontal guiding groove in the conductive phase insulating chamber, and the height of the connecting beam in the middle of the PE phase U-shaped board is the same as that of the two The folding height is consistent, so that the longitudinal installation position of the PE phase pin is lower than the longitudinal installation position of the conductive phase pin;

The outer surface of the lower section of the side plate where the insulating seat is located at the position of the PE phase insulating chamber is provided with a longitudinal limiting boss that can be installed in cooperation with the corresponding structure of the bus duct socket;

The lower ends of the two side plates of the insulating seat have sharp corners to form a wedge-shaped structure;

The fixing plate in the middle part of the insulating base has an outwardly extending installation edge around it, and the four corners of the installation edge have connecting holes through which the insulating base can be fixedly connected to the socket of the bus duct for positioning and installation.

In the busway pin and its installation structure of the present invention, the installation grooves on both sides of the I-shaped structure on the upper part of the pin base cooperate with the horizontal guide grooves on the vertical partition of the insulating seat to form the limit groove of the U-shaped plug-in plate, and the U-shaped plug-in plate After inserting into the limit slot, the pins are positioned and installed in the insulating seat, and the limit boss is provided for the U-shaped plug-in plate. The structure is compact, the space is small, the installation position is high, and the assembly operation is convenient.

Description of drawings

Fig. 1 is a schematic diagram of the planar structure of busway pins according to an embodiment of the present invention;

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the left view structure of Fig. 1;

4 to 5 are schematic diagrams of the three-dimensional structure of the pins of the bus duct according to the embodiment of the present invention;

Fig. 6 is a schematic plan view of the installation structure of the pins of the bus duct according to the embodiment of the present invention;

Fig. 7 is a top view structural schematic diagram of Fig. 6;

Fig. 8 is a schematic diagram of the A-A sectional structure of Fig. 6;

Fig. 9 is a schematic diagram of the structure after the pins of the bus duct and the installation structure are installed and connected according to the embodiment of the present invention.

Detailed ways

As shown in the figure, a busway pin includes a pin base 1. The base 1 is divided into two parts, the upper part and the lower part. The lower part is a flat structure, and contacts are connected to both sides of the flat structure. The two sides of the I-shaped structure are provided with positioning and installation grooves that are convenient for positioning and matching with the mounting bracket; the upper end of the contact is fixed and riveted on both sides of the lower section of the base 1, and the lower end is bent and formed to form a slot that gradually approaches the longitudinal centerline of the base 1. Conductive transmission is inserted through the slot and the phase line conductor of the bus duct.

The upper part of the base 1 is provided with a longitudinal threaded mounting hole that opens on the top surface of the base 1 and extends downward in the vertical direction. The pin base can be fixedly connected to the conductive wire through the threaded mounting hole. The conductive wire connection takes up little space and has a compact structure; the base 1 The lower section is provided with two horizontal riveting holes side by side, and the contacts can be fixedly connected to both sides of the lower section of the pin base through the riveting holes, and the connection is reliable.

The contact includes a pair of conductive sheets 2 symmetrically arranged along the lower section of the base body. Elastic contact sheets 3 are arranged on the outside of the conductive sheet 2. The elastic contact sheets 3 are tightly clamped on the outside of the conductive sheet 2. The elastic contact sheets 3 make the conductive sheet 2 has a tendency to move closer to the center, so that it is tightly inserted and clamped on the phase line conductor of the bus duct, and the electrical conductivity is stable; the material of the elastic contact piece 3 is manganese steel sheet, which further improves the electrical stability.

The present invention also relates to a mounting structure applied to the pins of the above-mentioned bus duct, including an insulating seat, a fixing plate 5 is provided in the middle of the insulating seat, and a plurality of vertical partitions 8 penetrating the fixing plate are arranged on the fixing plate 5. Side plate 6 is arranged, and fixed plate 5 is positioned at adjacent vertical partition 8, and the position between vertical partition 8 and side plate 6 is provided with the open slot that can pass through for pin from top to bottom, vertical partition 8 Divide the space where the fixing plate is located above and below the opening slot into a plurality of insulating cells corresponding to the pins of the bus duct of each phase, and the pins of the bus duct are inserted into the insulating compartment from above each insulating compartment; Guide groove, each insulating cell is provided with a U-shaped plug-in plate 7 that can be inserted along the horizontal guide groove to provide a limit for the pin. The two sides of the structure are positioned in the installation groove to provide a limit for the pin.

The vertical partition 8 is provided with a tapered spacer boss 11 that can provide space limit for the U-shaped insert plate 7; Limiting boss 11; after the U-shaped inserting plate 7 is inserted into the I-shaped structure on both sides of the upper part of the pin base 1 along the horizontal guide groove and positioned in the installation groove, the tapered limiting boss 11 provides a limit for the U-shaped inserting plate 7, The U-shaped plate 7 will not slide out, the installation limit is reliable, and the installation position accuracy is high.

The height of the two folds of the U-shaped insert plate 7 is less than the height of the middle connecting beam, the height of the middle connecting beam is adapted to the height of the horizontal guide groove, and the height of the two folded edges is adapted to the height of the installation grooves on both sides of the upper section of the I-shaped structure of the pin base 1; U The shape plate 7 cooperates with the middle connecting beam and the horizontal guide groove to limit the position. At the same time, the two folded edges cooperate with the installation grooves on both sides of the I-shaped structure on the upper part of the pin base 1 to provide limit for the pin. The installation and connection steps are simple and easy to operate. Convenient, compact structure, small footprint.

Further, the insulating cell on one side of the insulating base is a PE phase insulating cell, the height of the horizontal guide groove in the PE phase insulating cell is smaller than the height of the horizontal guide groove in the conductive phase insulating cell, and the height of the connecting beam in the middle of the PE phase U-shaped board 9 Consistent with the height of the two folded edges, the longitudinal installation position of the PE phase pin is lower than the longitudinal installation position of the conductive phase pin, so as to adapt to the PE row size of the busway, and the structure of the PE phase pin and the conductive phase pin is consistent, so there is no need to separately manufacture and distinguish the PE phase Pins and conductive phase pins, the manufacturing process is simple, and the installation and operation are more convenient.

The outer surface of the lower section of the side plate 6 where the insulation seat is located at the position of the PE phase insulation cell is provided with a longitudinal limiting boss 10 that can be installed in conjunction with the corresponding structure of the bus duct socket. The insulating seat is positioned and installed through the limiting boss 10; both sides of the insulating seat The lower end of the plate 6 has sharp corners to form a wedge-shaped structure, which provides installation guidance through the wedge-shaped structure; the middle part of the insulating seat has mounting edges extending outward around the fixed plate 5, and the four corners of the mounting edge have connecting holes, and the insulating seat is fixed to the socket of the bus duct through the connecting holes The connection is positioned and installed, the installation and connection are reliable, and the operation is convenient.

In the busway pin and its installation structure of the present invention, the installation grooves on both sides of the I-shaped structure on the upper part of the pin base cooperate with the horizontal guide grooves on the vertical partition of the insulating seat to form the limit groove of the U-shaped plug-in plate, and the U-shaped plug-in plate After inserting into the limit slot, the pins are positioned and installed in the insulating seat, and the limit boss is provided for the U-shaped plug-in plate. The structure is compact, the space is small, the installation position is high, and the assembly operation is convenient.

Claims (10)

1. A bus duct pin, characterized in that: it includes a pin base body, the base body is divided into two parts, an upper section and a lower section, the lower section is a flat structure, the two sides of the flat structure are connected with contacts, and the upper section is an I-shaped structure with a cross section. The two sides of the glyph structure are provided with positioning and installation grooves for positioning and matching with the mounting bracket; the upper end of the contact is fixed and riveted on both sides of the lower section of the base, and the lower end is bent and formed to form a slot that gradually approaches the longitudinal centerline of the base. 2. The bus duct pin according to claim 1, characterized in that: the upper part of the base body is provided with a longitudinal installation hole opening on the top surface of the base body and extending downward in the vertical direction, and the base body of the pin can be fixedly connected to the conductive wire through the installation hole. The lower part of the base body is provided with two horizontal riveting holes side by side, and the contacts can be fixedly connected to both sides of the lower part of the pin base body through the riveting holes. 3. The bus duct pin according to claim 1, characterized in that: the contact includes a pair of conductive sheets arranged symmetrically along the lower section of the base body, elastic contact sheets are arranged on the outside of the conductive sheets, and the elastic contact sheets are tightly clamped on the conductive sheet outside. 4. The bus duct pin according to claim 3, wherein the material of the elastic contact piece is a manganese steel sheet. 5. An installation structure applied to the pins of the bus duct according to claims 1-4, characterized in that it includes an insulating seat, a fixing plate is provided in the middle of the insulating seat, and a plurality of vertical partitions penetrating the fixing plate are arranged on the fixing plate. The two sides are provided with side plates, and the fixed plate is located between the adjacent vertical partitions, and the position between the vertical partitions and the side plates is provided with open slots that can pass through the pins from top to bottom. The vertical partitions will The space above and below the opening slot where the fixing plate is located is divided into multiple insulating chambers corresponding to the pins of each phase bus duct; horizontal guide grooves are set on each side of the vertical partition, and each insulating chamber is provided with a hole that can be inserted along the horizontal guide groove. Provide a U-shaped plug-in plate for the pins, and a tapered limiting boss that can provide a limit for the U-shaped plug-in board is provided on the vertical partition; It has a horizontal guide groove and a conical limit boss. 6. The installation structure according to claim 5, characterized in that: the height of the two folded edges of the U-shaped board is smaller than the height of the middle connecting beam, the height of the middle connecting beam is compatible with the height of the horizontal guide groove, and the height of the two folded edges is the same as that of the pins. The heights of the mounting grooves on both sides of the I-shaped structure on the upper part of the substrate are compatible. 7. The installation structure according to claim 6, characterized in that: the insulating cell on one side of the insulating base is a PE phase insulating cell, and the height of the horizontal guide groove in the PE phase insulating cell is smaller than the horizontal guide groove in the conductive phase insulating cell. The height of the groove, the height of the connecting beam in the middle of the PE-phase U-shaped plug-in plate is consistent with the height of the two folded edges, so that the longitudinal installation position of the PE-phase pin is lower than the longitudinal installation position of the conductive-phase pin. 8. The installation structure according to claim 7, characterized in that: the outer surface of the lower part of the side plate where the insulating seat is located at the position of the PE phase insulating chamber is provided with a longitudinal limit boss that can be installed in cooperation with the corresponding structure at the socket of the bus duct . 9. The installation structure according to claim 5, characterized in that: the lower ends of the two side plates of the insulating seat have sharp corners to form a wedge-shaped structure. 10. The installation structure according to claim 5, characterized in that: the fixing plate in the middle of the insulating seat has an outwardly extending installation edge around it, and the four corners of the installation edge have connecting holes, and the insulating seat can be connected to the socket of the bus duct through the connecting hole Fixed connection positioning installation.