CN111785480A

CN111785480A - High-compression-resistance mutual inductor shell

Info

Publication number: CN111785480A
Application number: CN202010684255.XA
Authority: CN
Inventors: 杜爱民; 徐永超; 杜东亮; 陈茂辉
Original assignee: Suqian General Machinery Co ltd
Current assignee: Suqian General Machinery Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-16

Abstract

The invention discloses a high-pressure-resistance mutual inductor shell which comprises a first shell, wherein one end of the first shell is provided with a second shell, the middle end of the second shell is provided with an annular shell, a through hole is formed in the center of the annular shell, a through hole is formed in the bottom end of the second shell, and rectangular blocks are respectively arranged at the upper position and the lower position of one end of the first shell. The high-pressure-resistant mutual inductor shell is provided with a sliding block, a sliding chute, a triangular block, a triangular groove, a rectangular block, a rectangular groove and a connecting seat; when assembling first casing and second casing, aim at the rectangular channel with the rectangular block, can promote into the rectangular channel with the rectangular block in, when the rectangular block touched three hornblocks, the rectangular block crowded three hornblocks moved down and promoted the connecting seat, when the rectangular block drove the position that three hornblocks reachd three hornblocks, the spring resets moves three hornblocks into three hornblocks and fixes the rectangular block in the triangular channel to install first casing and second casing, the packaging efficiency is high, and the post-assembly stability is strong.

Description

High-compression-resistance mutual inductor shell

Technical Field

The invention relates to the technical field of mutual inductor shell equipment, in particular to a high-pressure-resistance mutual inductor shell.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

When the existing mutual inductor is installed and detached, the shell is easily damaged and is not easy to operate, the steel sheet has the heat transfer and conduction characteristic, and when an iron core is wound and damaged, electric power is easily transmitted through the steel sheet, so that the normal operation of other power equipment is influenced, and the existing equipment needs to be improved aiming at the problems.

Disclosure of Invention

The invention aims to provide a high-voltage-resistance transformer shell, which solves the problems that the shell is easy to damage and difficult to operate when the existing transformer in the background art is mounted and dismounted, a steel sheet has the characteristics of heat transfer and electric conduction, and electric power is easy to transmit through the steel sheet when an iron core winding is damaged, so that the normal operation of other electric equipment is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high resistance to compression mutual-inductor casing, includes first casing, the one end of first casing is provided with the second casing, the middle-end of second casing is provided with the annular shell, the central point department of putting of annular shell is provided with the through-hole the bottom of second casing is provided with the through-hole, both ends all are provided with the rectangular block about the one end of first casing, the upper and lower surface dislocation of rectangular block is provided with three angular groove, both ends all are provided with the rectangular groove about the inner wall of second casing, the inner chamber of rectangular groove misplaces from top to bottom and is provided with the spout, the inside of spout is provided with the spring, the top of spring is provided with the connecting seat, the inner wall of spout is provided with the slider, the top of connecting.

Preferably, the inner walls of the first shell and the annular shell are provided with radiation-proof heat-insulating nets.

Preferably, a rubber gasket is arranged inside the fixed seat.

Preferably, the outer wall of the rectangular block is matched with the inner wall of the rectangular groove.

Preferably, the upper end face of the connecting seat and the bottom face of the inner cavity of the rectangular groove are on the same straight line.

Preferably, the cross section of the sliding block is in a convex shape, and the cross section of the sliding groove is in a concave shape.

Compared with the prior art, the invention has the beneficial effects that: the high pressure-resistant mutual inductor shell is provided with a plurality of high pressure-resistant mutual inductor shells,

(1) be provided with the slider, the spout, three hornblocks, the triangular groove, the rectangular block, rectangular channel and connecting seat, when assembling first casing and second casing, aim at the rectangular channel with the rectangular block, can promote the rectangular channel in with the rectangular block, when the rectangular block touches three hornblocks, three hornblocks are crowded to move downwards and promote the connecting seat, it slides in the spout to drive the slide through the connecting seat, the connecting seat extrudees the spring simultaneously, can make three hornblocks get into the spout in, when the rectangular block drives three hornblocks's groove and reachs the position of three hornblocks, spring return fixes the rectangular block in with three hornblocks bullet advances three hornblocks, thereby install first casing and second casing, the packaging efficiency is high, and post-assembly stability is strong.

(2) The radiation-proof heat-insulating net and the rubber gasket are arranged; the heat that the inside iron core wire winding of mutual-inductor produced the electromagnetic field and power transmission produced can be kept apart through the radiation protection heat insulating net that sets up, and the rubber gasket plays the insulating effect of fixing base, can avoid the condition of the electric leakage that the wire winding damage brought.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the housing connection structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a side view of the housing of the present invention.

In the figure: 1. the anti-radiation heat-insulation device comprises a first shell, a second shell, a ring shell, a through hole, a fixing seat, a rubber gasket, a radiation-proof heat-insulation net, 8, a rectangular block, 9, a triangular groove, 10, a rectangular groove, 11, a sliding groove, 12, a spring, 13, a connecting seat, 14, a sliding block, 15 and a triangular block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a high voltage-resistant transformer casing: a high pressure resistance mutual inductor shell is disclosed, as shown in figure 1, figure 2, figure 3 and figure 4, the upper and lower ends of one end of a first shell 1 are respectively provided with a rectangular block 8, the upper and lower surfaces of the rectangular block 8 are provided with triangular grooves 9 in a staggered manner, the upper and lower ends of the inner wall of a second shell 2 are provided with rectangular grooves 10, the inner cavity of the rectangular groove 10 is provided with a sliding groove 11 in a staggered manner, the inside of the sliding groove 11 is provided with a spring 12, the top end of the spring 12 is provided with a connecting seat 13, the inner wall of the sliding groove 11 is provided with a sliding block 14, the top end of the connecting seat 13 is provided with a triangular block 15, the outer wall of the rectangular block 8 is matched with the inner wall of the rectangular groove 10, so that the first shell 1 and the second shell 2 are connected and fixed, the upper end face of the connecting seat 13 and the bottom surface of the inner cavity of the rectangular groove, therefore, the rectangular block 8 is connected with the rectangular groove 10, the triangular groove 9 is clamped with the triangular block 15, the section of the sliding block 14 is in a convex shape, the section of the sliding groove 11 is in a concave shape, and the sliding block 14 is convenient to move up and down under stress on the inner wall of the sliding groove 11.

As shown in fig. 5, one end of the first casing 1 is provided with the second casing 2, the middle end of the second casing 2 is provided with the annular casing 3, the central position of the annular casing 3 is provided with a through hole 4, the bottom end of the second casing 2 is provided with a through hole 4, the inner walls of the first casing 1 and the annular casing 3 are provided with a radiation-proof heat-insulating net 7, the inside of the fixing base 5 is provided with a rubber gasket 6, the radiation-proof heat-insulating net 7 can isolate the heat generated by the electromagnetic field generated by the winding of the iron core inside the mutual inductor and the power transmission, and the rubber gasket 6 plays a role in.

The working principle is as follows: when the transformer is used, firstly, when the first shell 1, the second shell 2 and the through hole 4 are connected with the ring core 3, the rectangular block 8 is aligned with the rectangular groove 10, the rectangular block 8 can be pushed into the rectangular groove 10, when the rectangular block 8 touches the triangular block 15, the rectangular block 8 squeezes the triangular block 15 to move downwards to push the connecting seat 13, the connecting seat 13 drives the sliding block 14 to slide in the sliding groove 11, meanwhile, the connecting seat 13 squeezes the spring 12, the triangular block 15 can enter the sliding groove 11, when the rectangular block 8 drives the triangular groove 9 to reach the position of the triangular block 15, the spring 12 resets to bounce the triangular block 15 into the triangular groove 9 to fix the rectangular block 8, so that the first shell 1 and the second shell 2 are installed, the radiation-proof heat-insulation net 7 can be used for isolating an electromagnetic field generated by iron core winding in the transformer and heat generated by power transmission, the rubber gasket 6 plays a role of insulating the fixing seat 5, the situation of leakage caused by damaged windings can be avoided, and the whole work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by the person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A high pressure resistant mutual inductor shell, includes first casing (1), its characterized in that: a second shell (2) is arranged at one end of the first shell (1), an annular shell (3) is arranged at the middle end of the second shell (2), a through hole (4) is arranged at the central position of the annular shell (3), the bottom end of the second shell (2) is provided with the through hole (4), rectangular blocks (8) are arranged at the upper end and the lower end of one end of the first shell (1), triangular grooves (9) are arranged on the upper surface and the lower surface of the rectangular block (8) in a staggered manner, the upper end and the lower end of the inner wall of the second shell (2) are both provided with a rectangular groove (10), the inner cavity of the rectangular groove (10) is provided with sliding grooves (11) in a vertically staggered manner, springs (12) are arranged inside the sliding grooves (11), the top end of the spring (12) is provided with a connecting seat (13), the inner wall of the sliding groove (11) is provided with a sliding block (14), and the top end of the connecting seat (13) is provided with a triangular block (15).

2. The high pressure resistant transformer housing of claim 1, wherein: and the inner walls of the first shell (1) and the annular shell (3) are provided with a radiation-proof heat-insulating net (7).

3. The high pressure resistant transformer housing of claim 1, wherein: and a rubber gasket (6) is arranged in the fixed seat (5).

4. The high pressure resistant transformer housing of claim 1, wherein: the outer wall of the rectangular block (8) is matched with the inner wall of the rectangular groove (10).

5. The high pressure resistant transformer housing of claim 1, wherein: the upper end surface of the connecting seat (13) and the bottom surface of the inner cavity of the rectangular groove (10) are on the same straight line.

6. The high pressure resistant transformer housing of claim 1, wherein: the section of the sliding block (14) is convex, and the section of the sliding groove (11) is concave.