CN210041239U

CN210041239U - Bus duct connecting structure

Info

Publication number: CN210041239U
Application number: CN201920918946.4U
Authority: CN
Inventors: 张明程
Original assignee: ZHENJIANG WEISIKANG ELECTRICAL APPLIANCE CO Ltd
Current assignee: ZHENJIANG WEISIKANG ELECTRICAL APPLIANCE CO Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-02-07
Anticipated expiration: 2029-06-18

Abstract

The utility model provides a bus duct connecting structure, which comprises two bus ducts with the same structure and a connecting box for connecting the two bus ducts; the bus duct is integrally in an I shape, a first bolt column and a second bolt column are respectively arranged on two side plates at the head end and the tail end of the bus duct, and the first bolt column and the second bolt column can form a complete bolt column; the connecting box comprises a first box body and a second box body which are bilaterally symmetrical, the cross-sectional shapes of the two box bodies are matched with the bus duct, and the upper end and the lower end of the two box bodies are connected in a clamping manner; two fixing holes are symmetrically formed in the side plates of the two box bodies, and a complete bolt column consisting of the first bolt column and the second bolt column respectively penetrates through the fixing holes in the two sides to be in threaded connection with the locking nut; the locking nut and the connecting box are utilized to carry out double fixation on the connecting position of the bus duct, so that the installation is convenient while the connecting strength is enhanced; the sectional shape of connecting box and busway looks adaptation and side are provided with the reinforcing plate, have increased heat radiating area when strengthening mechanical strength, have reduced the temperature rise of junction.

Description

Bus duct connecting structure

Technical Field

The utility model relates to a bus duct production field, concretely relates to bus duct connection structure.

Background

Modern high-rise buildings and large workshops often need huge electric energy, and safe and reliable conduction equipment is required to be selected in the face of the huge load needing hundreds of amperes of strong current; the bus duct is a power distribution device for efficiently transmitting current, particularly meets the requirement of economic and reasonable wiring of higher and higher buildings and large-scale factories, and becomes an indispensable wiring mode on electrical equipment and power systems of high-rise buildings, factories and the like. In the existing bus duct, barbs are mostly arranged on a bus duct cover plate and a bottom plate during plugging, a connecting plate is plugged into the barbs, and screws are utilized on the connecting plate to squeeze side plates of the bus duct to prevent the side plates from falling off, so that the process is complicated, and unnecessary labor burden is increased for a user; meanwhile, the contact resistance and the temperature rise at the insertion joint are generally high, and the heat dissipation performance of the connector is often difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a bus duct connection structure that simple structure, simple to operate and heat dispersion are good.

The bus duct connecting structure comprises two bus ducts with the same structure and a connecting box for connecting the two bus ducts, the whole bus duct is arranged in an I shape, first bolt columns are symmetrically arranged on two side plates at the head end of the bus duct, second bolt columns are symmetrically arranged on two side plates at the tail end of the bus duct, and the first bolt columns and the second bolt columns of the two bus ducts can be matched to form a complete bolt column; the connecting box is sleeved at the joint of the two bus ducts and comprises a first box body and a second box body which are bilaterally symmetrical, the cross section shapes of the first box body and the second box body are matched with the bus ducts, and the upper ends and the lower ends of the two box bodies are clamped and connected; two fixing holes are symmetrically formed in the side plates of the first box body and the second box body, and the complete bolt columns formed by matching the first bolt columns and the second bolt columns respectively penetrate through the corresponding fixing holes in the two sides to be in threaded connection with the locking nuts.

Preferably, the clamping surfaces at the upper end and the lower end of the first box body are provided with elongated clamping grooves, the clamping surfaces at the upper end and the lower end of the second box body are provided with corresponding clamping blocks, and the first box body and the second box body are connected through the clamping grooves and the clamping blocks in a clamping mode.

Preferably, reinforcing plates are arranged on two sides of the fixing hole.

Preferably, waterproof sealing strips are further bonded on the clamping surfaces at the upper end and the lower end of the first box body.

Preferably, the first box body and the second box body are formed by bending single-side color-coated steel plates, and the outer side surfaces of the first box body and the second box body are color-coated surfaces.

The utility model has the advantages that: 1. bolts of the two bus ducts simultaneously penetrate through fixing holes in the two box bodies to be connected with the locking nuts, the two box bodies are clamped, and the locking nuts and the connecting box are used for doubly fixing the connection position of the two bus ducts, so that the connection strength is enhanced and the installation is facilitated; 2. the bus duct is integrally arranged in an I shape, the cross section of the connecting box is matched with the bus duct, and the side surface of the connecting box is provided with the reinforcing plate, so that the mechanical strength is enhanced, the heat dissipation area is greatly increased, and the temperature rise at the connecting part is effectively reduced; 3. the first box body and the second box body are formed by bending single-side color-coated steel plates, and waterproof sealing strips are bonded on the clamping surfaces of the two box bodies, so that the waterproof and corrosion-resistant properties of the joint are effectively improved.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a junction box according to the present invention;

FIG. 3 is a schematic cross-sectional view of the junction box of FIG. 1;

the figures in the drawings represent:

1. bus duct 11, first bolt post 12, second bolt post 2, connecting box 21, first box body

22. Second box 23, slot 24, block 25, fixing hole 26, lock nut

27. A reinforcing plate 28, a waterproof sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "up", "down", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first", "second", etc. are used herein only for descriptive distinction and have no other special meaning.

As shown in fig. 1 to 3, the bus duct connecting structure includes two bus ducts 1 with the same structure and a connecting box 2 for connecting the two bus ducts 1, the bus ducts 1 are integrally arranged in an i shape, first bolt columns 11 are symmetrically arranged on two side plates at the head end of each bus duct 1, second bolt columns 12 are symmetrically arranged on two side plates at the tail end of each bus duct 1, and the first bolt columns 11 and the second bolt columns 12 of the two bus ducts 1 can be matched to form a complete bolt column;

the connecting box 2 is sleeved at the connecting position of the two bus ducts 1 and comprises a first box body 21 and a second box body 22 which are bilaterally symmetrical, and the cross sections of the first box body 21 and the second box body 22 are matched with the bus ducts 1 (the whole bus ducts 1 are in a bow shape); the clamping surfaces at the upper end and the lower end of the first box body 21 are provided with strip-shaped clamping grooves 23, the clamping surfaces at the upper end and the lower end of the second box body 22 are provided with corresponding clamping blocks 24, and the first box body 21 and the second box body 22 are clamped and connected through the clamping grooves 23 and the clamping blocks 24; two fixing holes 25 are symmetrically formed in the side plates of the first box body 21 and the second box body 22, and the complete bolt columns formed by matching the first bolt columns 11 and the second bolt columns 12 respectively penetrate through the corresponding fixing holes 25 on the two sides to be in threaded connection with a locking nut 26 (the locking nut 26 is a nut with a cover and a closed top end); when in connection, the first bolt columns 11 and the second bolt columns 12 at the head and the tail of the two bus ducts 1 are matched and aligned, the first box body 21 and the second box body 22 are clamped and fixed from the left side and the right side, the bolt columns on the two sides penetrate through the fixing holes 25 to reach the outside of the box bodies, and finally the bolt columns are screwed and fixed by the locking nuts 26, so that the connection box 2 and the locking nuts 26 are used for double fixing of the connection part of the two bus ducts 1 while the installation is convenient, and the connection strength of the bus ducts is enhanced; reinforcing plates 27 are arranged on two sides of the fixing hole 25, so that the mechanical strength is enhanced, the heat dissipation area is greatly increased, and the temperature rise at the joint is effectively reduced;

the first box body 21 and the second box body 22 are formed by bending single-side color-coated steel plates, the outer side surfaces of the first box body 21 and the second box body 22 are color-coated surfaces, and waterproof sealing strips 28 are further bonded on the clamping surfaces at the upper end and the lower end of the first box body 21, so that the waterproof and corrosion-resistant properties of the joint are effectively improved.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Claims

1. The utility model provides a bus duct connection structure, includes two bus ducts that the structure is the same and is used for connecting the junction box of two bus ducts, its characterized in that: the whole bus duct is arranged in an I shape, first bolt columns are symmetrically arranged on two side plates at the head end of the bus duct, second bolt columns are symmetrically arranged on two side plates at the tail end of the bus duct, and the first bolt columns and the second bolt columns of the two bus ducts can be matched to form a complete bolt column; the connecting box is sleeved at the joint of the two bus ducts and comprises a first box body and a second box body which are bilaterally symmetrical, the cross section shapes of the first box body and the second box body are matched with the bus ducts, and the upper ends and the lower ends of the two box bodies are clamped and connected; two fixing holes are symmetrically formed in the side plates of the first box body and the second box body, and the complete bolt columns formed by matching the first bolt columns and the second bolt columns respectively penetrate through the corresponding fixing holes in the two sides to be in threaded connection with the locking nuts.

2. The bus duct connection structure of claim 1, wherein: the clamping surfaces at the upper end and the lower end of the first box body are provided with elongated clamping grooves, the clamping surfaces at the upper end and the lower end of the second box body are provided with corresponding clamping blocks, and the first box body and the second box body are connected through the clamping grooves and the clamping blocks in a clamping mode.

3. A bus duct connecting structure according to claim 2, wherein: reinforcing plates are arranged on two sides of the fixing hole.

4. A bus duct connecting structure according to claim 3, wherein: waterproof sealing strips are further bonded on the clamping surfaces at the upper end and the lower end of the first box body.

5. A bus duct connection structure according to any one of claims 1, 2, 3 or 4, wherein: the first box body and the second box body are formed by bending single-side color-coated steel plates, and the outer side surfaces of the first box body and the second box body are color-coated surfaces.