CN216120812U

CN216120812U - Multipurpose wiring terminal

Info

Publication number: CN216120812U
Application number: CN202122485175.4U
Authority: CN
Inventors: 余敏; 何先鹏; 徐敏
Original assignee: Zhenjiang Honglian Electrician Co ltd
Current assignee: Zhenjiang Honglian Electrician Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-22
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a multipurpose wiring terminal, which comprises a main shell, wherein at least three wiring sub-units are arranged on the main shell, and the three wiring sub-units are sequentially distributed from left to right; the top of each wiring sub-unit is provided with four connecting ends, and the four connecting ends are provided with wire pressing screws and nuts; the wiring sub-units are all of double-layer structures, and the double-layer structures are connected through extension plates; the three wiring sub-units are respectively a first sub-unit, a second sub-unit and a third sub-unit; the utility model changes the conditions of low utilization rate and single circuit structure of the prior emptying room of the one-in one-out wiring terminal, simultaneously realizes the functions of a plurality of wiring terminal blocks on one wiring terminal block, saves the number of the wiring terminals, greatly reduces the cost, has simpler assembly and more stable and reliable screw and nut structure.

Description

Multipurpose wiring terminal

Technical Field

The utility model relates to a multipurpose wiring terminal.

Background

The terminal block is generally used for electric control components of household appliances such as air conditioners, refrigerators and the like and various devices, and is used for circuit connection, so that the equipment can be conveniently overhauled.

The existing wiring terminal is often of an integral structure, a fixed structure mode is adopted, and different wiring terminals are required to be used under different wiring requirements, so that different wiring requirements are met.

The defects of the existing connecting terminal are mainly focused on the following four aspects:

1. the single-layer, one-in one-out structure, low space utilization rate and single circuit structure;

2. creepage and space distance are small, and the rated voltage can only reach 300V at most;

3. the wire pressing screw is directly matched with the conducting strip, and the conducting strip is turned over and tapped (the fixing reliability is general); 4. the mounting hole and the base are of an integrated structure, and the conducting strip needs to be mounted from the reverse side, so that the mounting is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a multipurpose connecting terminal.

A multi-purpose wiring terminal comprises a main shell, wherein at least three wiring sub-units are arranged on the main shell, and the three wiring sub-units are sequentially distributed from left to right; the top of each wiring sub-unit is provided with four connecting ends, and the four connecting ends are provided with wire pressing screws and nuts; the wiring sub-units are all of double-layer structures, and the double-layer structures are connected through extension plates; the three wiring sub-units are respectively a first sub-unit, a second sub-unit and a third sub-unit;

a first conducting strip and a second conducting strip are arranged in the first sub-unit; the first conducting plate is positioned at the upper part of the double-layer structure, and the second conducting plate is positioned at the lower part of the double-layer structure; the first conducting strip is connected with the two connecting ends in the middle, and the second conducting strip is connected with the two connecting ends from head to tail;

an integrated conducting strip is arranged in the second sub-unit; the integrated conducting plate is U-shaped, the upper half part of the integrated conducting plate is positioned at the upper part of the double-layer structure, the lower part of the integrated conducting plate is positioned at the lower part of the double-layer structure, and the integrated conducting plate is connected with the three connecting ends;

a split conductive sheet in the third sub-unit; the split type conducting strip is in a sheet shape and is connected with the two adjacent connecting ends.

Preferably, a lower cover is arranged below the main shell, and a guide column matched with the guide hole in the main shell is arranged on the lower cover.

Preferably, the extension plate is made of an insulating material.

Preferably, the lower surface of the line pressing screw is provided with a metal plate.

Preferably, the integral conductive sheet is made of copper.

Preferably, the split type conducting strip is made of copper.

Preferably, the bottom of the connecting end is a blind hole, and a groove for fixing a nut and a screw hole for accommodating a screw are arranged in the blind hole. The design is the blind hole, can effectual electric distance and the safe distance that promotes the product.

Preferably, vertical grooves are formed in two sides of the guide post. Through vertical recess design, can make things convenient for the apron location, promote the safe distance of product simultaneously.

Preferably, the surface of lower cover is equipped with the reference column, be equipped with the locating hole that matches with the reference column on the main casing body, through the cooperation of reference column and locating hole, can increase the fixed stability of product.

Has the advantages that:

1. the double-layer structure is diversified, the upper and lower conducting strips can be integrated or separated, the space utilization rate is high, and the circuit structure is diversified;

2. an extension plate is added on the upper layer, the creepage and space distance is increased, and the rated voltage can reach 600V;

3. the wire pressing screw is directly matched with the standard nut (the fixing reliability is stronger);

4. the mounting hole and the cover plate are of an integrated structure, the conducting plate is directly inserted from the front of the product, and the assembly is simpler.

Drawings

Fig. 1 is an exploded view of the overall structure of a multipurpose terminal;

FIG. 2 is a schematic diagram of the internal structure of the first sub-unit;

FIG. 3 is a schematic diagram of the internal structure of the second sub-unit;

FIG. 4 is a schematic view of the internal structure of the third sub-unit;

FIG. 5 is a schematic structural view of the lower cover;

FIG. 6 is a schematic structural view of the main housing;

11. the structure comprises a first conducting plate 12, a second conducting plate 2, an integrated conducting plate 3, a split conducting plate 4, an extension plate 5, a line pressing screw 6, a nut 7, a main shell 8, a lower cover 81, a positioning column 82 and a guide column.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1 to 6, a multi-purpose connection terminal includes a main housing 7, at least three connection sub-units are disposed on the main housing 7, and the three connection sub-units are sequentially distributed from left to right; the top of each wiring sub-unit is provided with four connecting ends, and the four connecting ends are provided with wire pressing screws 5 and nuts 6; the wiring sub-units are all of double-layer structures, and the double-layer structures are connected through an extension plate 4; the three wiring sub-units are respectively a first sub-unit, a second sub-unit and a third sub-unit.

A first conducting strip 11 and a second conducting strip 12 are arranged in the first sub-unit; the first conducting strip 11 is positioned at the upper part of the double-layer structure, and the second conducting strip 12 is positioned at the lower part of the double-layer structure; the first conducting strip is connected with two connecting ends in the middle, and the second conducting strip 12 is connected with two connecting ends from head to tail;

an integrated conducting plate 2 is arranged in the second sub-unit; the integrated conducting plate 2 is U-shaped, the upper half part of the integrated conducting plate 2 is positioned at the upper part of the double-layer structure, the lower part of the integrated conducting plate 2 is positioned at the lower part of the double-layer structure, and the integrated conducting plate 2 is connected with three connecting ends;

a third divided-unit internal split conductive sheet 3; the split type conducting plate 3 is in a sheet shape, and the split type conducting plate 3 is connected with the two adjacent connecting ends.

The lower cover 8 is connected to the main housing 7 by fitting the guide posts into the guide holes.

The connecting end adopts the blind hole design, can effectual electric distance and the safe distance that promotes the product.

The two grooves of the guide post 82 are added, so that the lower cover 8 can be conveniently positioned, and the safety distance of the product can be increased.

Be equipped with reference column 81 on the lower cover 8, increase the fixed stability of product.

This device can be according to the wiring condition of difference when using to select different subunits to carry out the wiring, convenient and practical, and adopt bilayer structure, space utilization is high, and applicable voltage strength is also high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The multipurpose wiring terminal is characterized by comprising a main shell, wherein at least three wiring sub-units are arranged on the main shell, and the three wiring sub-units are sequentially distributed from left to right; the top of each wiring sub-unit is provided with four connecting ends, and the four connecting ends are provided with wire pressing screws and nuts; the wiring sub-units are all of double-layer structures, and the double-layer structures are connected through extension plates; the three wiring sub-units are respectively a first sub-unit, a second sub-unit and a third sub-unit;

2. The multipurpose connecting terminal as claimed in claim 1, wherein a lower cover is provided under the main housing, and the lower cover is provided with guide posts matching with the guide holes of the main housing.

3. The multipurpose terminal according to claim 1, wherein the extension plate is made of an insulating material.

4. The multipurpose terminal according to claim 1, wherein a metal plate is provided on a lower surface of the crimping screw.

5. The multipurpose connecting terminal as claimed in claim 1, wherein the one-piece conductive sheet is made of copper.

6. The multipurpose connecting terminal as claimed in claim 1, wherein the split conductive sheet is made of copper.

7. The multipurpose connecting terminal as claimed in claim 1, wherein the connecting end has a bottom portion formed as a blind hole, and a recess for fixing a nut and a screw hole for receiving a screw are formed in the blind hole.

8. The multipurpose terminal according to claim 2, wherein vertical grooves are formed on both sides of the guide post.

9. The multipurpose connecting terminal as claimed in claim 2, wherein the lower cover has a positioning post on its surface, and the main housing has a positioning hole matching with the positioning post.