CN209880363U

CN209880363U - Transformer junction box

Info

Publication number: CN209880363U
Application number: CN201921460222.6U
Authority: CN
Inventors: 邱元杰; 杨慧
Original assignee: Changzhou Yongyu Machinery Manufacturing Co Ltd
Current assignee: Changzhou Yongyu Machinery Manufacturing Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2019-12-31
Anticipated expiration: 2029-09-04

Abstract

The utility model belongs to the technical field of transformer accessory technique and specifically relates to a transformer junction box, including the terminal box main part that is used for protecting the leading-out terminal that sets up above transformer housing, high-pressure leading-out terminal and low pressure leading-out terminal are installed respectively in transformer housing both sides, the terminal box main part includes drain pan and upper cover, set up the through-hole that is used for the leading-out terminal to pass on the bottom plate of drain pan, the upper cover corresponds high-pressure leading-out terminal and low pressure leading-out terminal and sets up into the high step and the low step of echelonment, the front side of high step and low step all transversely sets up the bar wire casing that is used for the cable to pass, through the terminal box with the leading-; the terminal box upper cover corresponds high-low leading-out terminal and carries out the echelonment setting, and the wire casing has been seted up to the upper cover side, is convenient for wear out the cable level on the high-low leading-out terminal to carry out spacing fixed to the cable through activity card line piece, realize the orderly spacing fixed of cable, improve wiring efficiency.

Description

Transformer junction box

Technical Field

The utility model belongs to the technical field of the transformer accessory technique and specifically relates to a transformer junction box.

Background

The simplest iron core transformer consists of an iron core made of soft magnetic material and two coils with different turns sleeved on the iron core. The transformer housing top is provided with the high-low voltage terminal outgoing lines that is used for connecting the cable, and the terminal outgoing lines of current transformer exposes and installs on the shell, does not have supporting protector, and long-time solarization and raining damages easily, in addition lacks cable fixing device for the cable is disorderly, damages because of the winding together easily, influences the normal use of transformer.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a transformer junction box, which solves the problem through a step type junction box with a wire groove.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a transformer junction box, including setting up the junction box main part that is used for protecting the leading-out terminal in transformer housing top, the leading-out terminal divide into high-pressure leading-out terminal and low pressure leading-out terminal, high-pressure leading-out terminal and low pressure leading-out terminal are installed respectively in transformer housing both sides, the junction box main part includes drain pan and upper cover, offer the through-hole that is used for the leading-out terminal to pass on the bottom plate of drain pan, the upper cover corresponds high-pressure leading-out terminal and low pressure leading-out terminal and sets up the high step and the low step of echelonment, the bar wire casing that is used for.

Further, the strip line grooves on the high step and the low step are arranged in parallel, and line clamping blocks capable of sliding transversely along the strip line grooves are embedded in the strip line grooves.

Furthermore, a positioning wire hole for a cable to pass through is formed in the center of the wire clamping block.

Furthermore, the upper cover covers the upper part of the bottom shell, and hasps are arranged on the two sides of the upper cover and the bottom shell.

Further, the bottom of the bottom shell is uniformly provided with anti-skidding cushion blocks, and the anti-skidding cushion blocks are arranged between the bottom shell and the transformer shell through glue.

The utility model has the advantages that the terminal box with the terminal is arranged in the terminal box, so that the terminal is effectively protected, and the damage caused by the exposed terminal is avoided; the terminal box upper cover corresponds high-low leading-out terminal and carries out the echelonment setting, and the wire casing has been seted up to the upper cover side, is convenient for wear out the cable level on the high-low leading-out terminal to carry out spacing fixed to the cable through activity card line piece, make cable and card line piece one-to-one, realize spacing fixed in order to the cable, improve wiring efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is a schematic view of the strip line groove of the present invention;

fig. 3 is a schematic bottom plate of the bottom case of the present invention.

In the figure, 1, a transformer shell, 2, a high-voltage wire outlet end, 3, a low-voltage wire outlet end, 4, a bottom shell, 5, an upper cover, 6, a high step, 7, a low step, 8, a strip-shaped wire groove, 9, a wire clamping block, 10, a buckle, 11, an anti-skid cushion block, 12, a through hole and 13, a positioning wire hole are arranged.

Detailed Description

Fig. 1 is the utility model discloses a structural schematic diagram, a transformer junction box, including setting up the terminal box main part that is used for protecting the leading-out terminal in transformer housing 1 top, the leading-out terminal divide into high-pressure leading-out terminal 2 and low pressure leading-out terminal 3, install respectively in transformer housing 1 both sides high-pressure leading-out terminal 2 and low pressure leading-out terminal 3, terminal box main part includes drain pan 4 and upper cover 5, upper cover 5 corresponds high-pressure leading-out terminal 2 and low pressure leading-out terminal 3 and sets to high step 6 and the low step 7 of echelonment, upper cover 5 lid closes in drain pan 4 top, and upper cover 5 and drain pan 4 both sides all are provided with hasp 10, drain pan 4 bottom evenly is provided with anti-skidding cushion 11, anti-skidding cushion 11 passes through the glue setting between drain pan 4. The two ends of the bottom shell 4 are provided with mounting plates with mounting holes, the bottom shell 4 is fixedly mounted above the transformer shell 1 through bolts, the upper cover 5 and the bottom shell 4 are arranged in a split manner, after the upper cover 5 is covered on the bottom shell 4, the upper cover 5 and the bottom shell 4 are fixed through hasps 10 on the two sides of the upper cover, the arrangement of the upper cover 5 effectively protects the wire outlet end and prevents the wire outlet end from being exposed to the sun and rain, the side surface of the upper cover 5 is respectively provided with a strip-shaped wire groove 8 corresponding to the high-voltage wire outlet end 2 and the low-voltage wire outlet end 3 so as to conveniently guide and fix the cable connected on the wire outlet end, the position of the strip-shaped wire groove 8 and the position of the top end of the wire outlet end are on the same horizontal plane, the cable is conveniently led out, the loosening of the cable and the joint of the wire outlet end is avoided, the connection firmness of the cable, and rainwater is prevented from being directly poured in, and the normal use of the junction box is ensured.

As shown in fig. 2, the front side surfaces of the high step 6 and the low step 7 are both transversely provided with a strip line groove 8 for the cable to pass through, the strip line grooves 8 on the high step 6 and the low step 7 are arranged in parallel, a wire clamping block 9 capable of transversely sliding along the strip line groove 8 is embedded in the strip line groove 8, and the center of the wire clamping block 9 is provided with a positioning wire hole 13 for the cable to pass through. The 9 quantity of calorie line piece corresponds terminal outlet quantity and sets up, card line piece 9 and bar wire casing 8 inlay mode sliding connection through unsmooth piece, and location line hole 13 has been seted up at card line piece 9 center, during the use, the cable that will connect on the terminal outlet penetrates and wears out from 5 lateral surfaces of upper cover from 5 medial surfaces of upper cover, and the cable sets up with card line piece 9 one-to-one, and the cable position can be adjusted through removing card line piece 9 to carry out orderly joint and fixed to the cable.

As shown in fig. 3, offer the through-hole 12 that is used for the leading-out terminal to pass on the bottom plate of drain pan 4, the position and the quantity that through-hole 12 corresponds high-low voltage leading-out terminal are seted up, the bottom surface of drain pan 4 is glued through 3M and is pasted the anti-skidding cushion block 11 that has the silica gel material, also be provided with the 3M that is used for gluing with transformer housing 1's upper surface on anti-skidding cushion block 11's the bottom surface, thereby set up the certain height with drain pan 4, avoid drain pan 4 and transformer housing 1 direct contact, avoid contact surface clearance ponding to cause the corruption to rust to drain pan 4 or transformer housing 1, in order to prolong service.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a transformer junction box, is including setting up the junction box main part that is used for protecting the leading-out terminal in transformer housing (1) top, and the leading-out terminal divide into high-pressure leading-out terminal (2) and low pressure leading-out terminal (3), and high-pressure leading-out terminal (2) and low pressure leading-out terminal (3) are installed respectively in transformer housing (1) both sides, characterized by, the junction box main part includes drain pan (4) and upper cover (5), offers through-hole (12) that are used for the leading-out terminal to pass on the bottom plate of drain pan (4), and upper cover (5) correspond high step (6) and low step (7) that high-pressure leading-out terminal (2) and low pressure leading-out terminal (3) set to the echelonment, and bar wire casing (8) that are used for the cable to pass are.

2. The transformer junction box according to claim 1, wherein the strip line grooves (8) on the high step (6) and the low step (7) are arranged in parallel, and a line clamping block (9) capable of sliding along the strip line grooves (8) in the transverse direction is embedded in each strip line groove (8).

3. The transformer junction box according to claim 2, wherein a positioning wire hole (13) for a cable to pass through is formed in the center of the wire clamping block (9).

4. The junction box of claim 1, wherein the upper cover (5) covers the bottom shell (4), and buckles (10) are arranged on both sides of the upper cover (5) and the bottom shell (4).

5. The transformer junction box according to claim 1, wherein the bottom of the bottom shell (4) is uniformly provided with anti-skid pads (11), and the anti-skid pads (11) are arranged between the bottom shell (4) and the transformer housing (1) through glue.