CN114221216A

CN114221216A - Contact box and fixed knot construct and electric power cabinet

Info

Publication number: CN114221216A
Application number: CN202111552789.8A
Authority: CN
Inventors: 林存朋
Original assignee: Huntsman Hangzhou Power Technology Co ltd
Current assignee: Huntsman Hangzhou Power Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-22

Abstract

The invention discloses a contact box, a fixing structure and an electric power cabinet, wherein the contact box comprises a barrel body part and an inserting part, the barrel body part and the inserting part are integrally fixed together, the inserting part is perpendicular to the central axis of the barrel body part, four planes are arranged on the inserting part, and the two parallel planes are parallelogram planes. The application also discloses an installation structure using the contact box and an electric power cabinet using the structure.

Description

Contact box and fixed knot construct and electric power cabinet

Technical Field

The invention relates to the field of electrical equipment, in particular to a contact box, a fixing structure and an electric power cabinet.

Background

The contact box is a part commonly used in the current electric power cabinet, and patent publication CN206412641U provides a contact box, but the insertion tube portion (insertion tube portion for inserting the conducting strip) of the contact box is rectangular, the length of the insertion tube portion capable of covering the conducting strip is the length of the insertion tube portion, and the utilization efficiency of the whole insertion tube portion is relatively low.

Disclosure of Invention

In order to solve the problems, the invention discloses a contact box and an electric power cabinet.

The contact box comprises a barrel body part and an inserting part, wherein the barrel body part and the inserting part are integrally fixed together, the inserting part is perpendicular to the central axis of the barrel body part, four planes are arranged on the inserting part, and the two parallel planes are parallelogram planes.

In the contact box, two parallel planes of the insertion part are in a parallelogram shape, so that the whole insertion part is in a parallelogram shape in a projection position, and relative to the square insertion part, the parallelogram-shaped insertion part is in an effective length (the effective length refers to the vertical distance between an opening of the insertion part and the barrel part, and the length determines the minimum width and the length required by the box body when the head box is installed in the box body), so that under the condition of realizing the same wrapping area of the insertion pieces, the required length of the insertion part in the contact box is smaller than that of the insertion part shown in CN206412641U, and the contact box has smaller size requirements on the length and the width of the box body when being installed in the box body.

In particular, in order to fix the whole contact box, the inner threads are arranged in the barrel body, so that the whole contact box can be mounted on the box body conveniently.

Furthermore, the barrel body part is provided with four semicircular protruding strips, and the four semicircular protruding strips are arranged in parallel.

The semi-annular protruding strips are arranged on the barrel body part to ensure the strength of the whole barrel body part and the strength of the whole barrel body part.

Furthermore, a retainer ring is arranged on the outer wall of the barrel body.

The retainer ring is provided with a screw hole, so that the barrel part can be smoothly fixed on the barrel part.

The mounting structure comprises the contact box, wherein 2 contact boxes are arranged, 2 contact boxes are fixedly arranged, and the inserting parts of the two contact boxes are not parallel.

The electric power cabinet comprises a box body and the contact box, wherein the number of the contact box is 2, the 2 contact boxes are fixedly arranged on the box wall of the box body, and the inserting parts of the two contact boxes are not parallel.

The invention has the following beneficial effects

Drawings

FIG. 1 is a schematic view of the structure of example 1,

FIG. 2 is a schematic view of the structure of example 2,

figure 3 is a top view comparing schematic diagram of the plugging part of the two contact boxes.

The reference numbers in the drawings are: 101. a plug-in part; 102. a barrel portion; 103. a semi-annular protrusion; 104. A retainer ring; 105. an internal thread; 1. a side contact box; 2. and a middle contact box.

Detailed Description

The technical solution of the present invention is described in detail and fully with reference to the accompanying drawings.

Example 1

A contact box comprises a barrel body 102 and an inserting part 101, wherein the barrel body 102 and the inserting part 101 are integrally fixed together in a forming mode, the inserting part 101 is perpendicular to the central axis of the barrel body 102, four planes are arranged on the inserting part 101, and the two parallel planes are parallelogram planes.

The mating portion 101 of the present contact box is in the shape of a parallelogram.

In particular, to facilitate the fixation of the entire contact box, the barrel 101 is provided with internal threads 105, which facilitate the installation of the entire contact box on a box.

The barrel body part is provided with semi-annular convex strips 103, four semi-annular convex strips are arranged, and the four annular convex strips are arranged in parallel.

A retainer ring 104 is arranged on the outer wall of the cylinder part, one end of the cylinder part 102 is in a closed state, the other end of the cylinder part 102 is in an open state, and the retainer ring is arranged at the open end of the cylinder part.

Meanwhile, steps are arranged in the insertion holes of the insertion parts, and after the metal sheets are inserted and fixed in the insertion parts, gaps between the metal sheets and the insertion parts are not filled by plugging.

A top view comparison of the plug portion of the contact box provided in this embodiment and the plug portion in CN206412641U is shown in fig. 3, and when the effective lengths (denoted by L in the drawings) of the two are equal, the plug portion in the contact box provided in this embodiment can wrap a larger area of the metal sheet.

Example 2

Referring to figure 2, this embodiment requires the use of a contact box as described in embodiment 1 and the contact box shown in CN 206412641U.

This embodiment provides a mounting structure comprising two contact boxes as shown in embodiment 1 and one contact box as shown in CN206412641U, wherein there are a total of three contact boxes in this embodiment, the number of the contact boxes shown in embodiment 1 is 2, the contact box shown in embodiment 1 is a side contact box, and the contact box shown in CN206412641U is a middle contact box.

In this structure, three contact is all fixed to be set up, and wherein two side contact boxes 1 are located two, and well contact box 2 is located between two side contact boxes 1, and the grafting portion of two side contact boxes 1 is located same plane, and the orientation of two grafting portions is inequality, and the grafting portion of two side contact boxes is axisymmetrical distribution about the grafting portion of well contact box.

In the structure, because the side contact boxes are arranged at two sides and the middle contact box is arranged in the middle, when in use, the metal sheet is inserted into the inserting sheet of the contact box, because the insertion sheet on the side contact box can be a longer metal sheet, taking the current power cabinet connected with a 1OKV high-voltage line as an example, the minimum distance between the three metal sheets is required to be ensured not to be less than 125mm in the electric cabinet, if three middle contact boxes as in CN206412641U are used for mounting, the distance between the mating parts on at least three middle contact boxes cannot be less than 125mm, but if the mounting structure shown in this embodiment is used, i.e., two side contact boxes on both sides and a center box in the middle, the mounting arrangement using two side contact boxes and a center box can further reduce the distance between the three contact boxes, as compared to the case using the center box described in 3 CN206412641U directly.

In fig. 2, a 550 cabinet is taken as an example, and when the mounting structure is adopted, the distance between the metal sheets can reach 130mm, which exceeds 125mm of national standard.

It should be noted that reference numerals "150", "130" and "550" in FIG. 2 are length values in mm.

Example 3

Referring to fig. 2, this embodiment is a further derivative structure of embodiment 2, and embodiment 2 provides a mounting structure, and this embodiment is an electric power cabinet using the mounting structure shown in embodiment 2.

This embodiment is further added with a case body compared with embodiment 2, and all three contact boxes in embodiment 2 are fixedly mounted on the wall of the case body.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.

Claims

1. The contact box is characterized in that four planes are arranged on the insertion part, and the two parallel planes are parallelogram planes.

2. The contact box according to claim 1, wherein the barrel portion is provided with a semi-annular projection strip, four semi-annular projections are provided, and the four semi-annular projections are arranged in parallel.

3. The contact box according to claim 1, wherein a retaining ring is disposed on the outer wall of the barrel portion.

4. A mounting structure, comprising the contact box as claimed in any one of claims 1 to 3, wherein 2 contact boxes are fixedly arranged, and the plug parts of the two contact boxes are not parallel.

5. An electric power cabinet, comprising a box body, characterized in that, the electric power cabinet also comprises 2 contact boxes according to any claim 1-3, wherein 2 contact boxes are fixedly arranged on the box wall of the box body, and the plug parts of the two contact boxes are not parallel.