CN219610177U - Protective shielding cover of transformer iron core - Google Patents

Abstract

The utility model discloses a protective shielding cover of a transformer iron core, wherein a limit protective component is arranged in a cover body, an inner top ring is welded at the top end position of the inner wall of an inner bottom clamp, an annular sealing plate is movably clamped between the inner bottom clamp and the inner top ring, an arc-shaped spring piece is embedded in a clamping groove, the top end of a screw hole is connected with a pressing stud through threads, the bottom surface of the pressing stud is provided with a pressing groove, the top surface of the inner part of the pressing groove is in spot welding connection with a pressing spring, the bottom end of the pressing spring is in spot welding connection with a pressing piece, a wire fixing component is arranged on the outer side of the cover body.

Description

Protective shielding cover of transformer iron core

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a protective shielding cover of a transformer iron core.

Background

The transformer is also called as an instrument transformer, and is a generic term of a current transformer and a voltage transformer. The high-voltage transformer can be changed into low-voltage and high-current into low-current, and is used for measuring or protecting a system, in order to reduce interference, the outer side of the iron core of the transformer can be covered with the shielding cover, and then the shielding cover and the iron core are jointly installed in the protecting shell.

However, the sizes of the shielding case and the iron core in the current market are different, and after the iron core is placed in the shielding case, the iron core can shake easily inside the shielding case, scratch the shielding case and damage the iron core easily.

Disclosure of Invention

The utility model provides a protective shielding cover of a transformer iron core, which can effectively solve the problems that the sizes of the shielding cover and the iron core proposed in the background art are different, the iron core is easy to shake in the shielding cover after being put into the iron core, scratch the shielding cover and damage the iron core.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-collision device comprises a cover body, wherein a limit protection assembly is arranged in the cover body and comprises an inner bottom clamp, an inner top ring, a sealing ring, an annular sealing plate, a clamping groove, an arc-shaped spring piece, a screw hole, an extrusion stud, an extrusion groove, an extrusion spring and an extrusion piece;

the inside bottom edge of cover evenly is provided with interior bottom card, the cover is internal the wall and is in interior bottom card inner wall top position department welding has interior top ring, interior top ring bottom surface is inlayed and is had the sealing washer, movable joint has annular shrouding between interior bottom card and the interior top ring, the draw-in groove has been seted up to annular shrouding top surface circumference array, the inside arc spring leaf that inlays of draw-in groove, the screw has been seted up to cover body top surface symmetry, the screw top has the extrusion double-screw bolt through threaded connection, the extrusion groove has been seted up to extrusion double-screw bolt bottom surface, the inside top surface spot welding of extrusion groove is connected with extrusion spring, extrusion spring bottom spot welding is connected with the extrusion piece.

Preferably, the top surface of the cover body is circular, the inner bottom clamps are arc-shaped strips, and a plurality of inner bottom clamps are uniformly distributed on the inner wall of the outer ring and the inner wall of the inner ring of the cover body.

Preferably, the bottom surface edge of the extrusion piece is chamfered, and the outer side edge of the extrusion piece is attached to the inner wall of the extrusion groove.

Preferably, the arc spring piece is an upward protruding arc piece, and two ends of the arc spring piece are respectively clamped at two ends of the clamping groove.

Preferably, a wire fixing assembly is arranged on the outer side of the cover body, and comprises a lower clamping ring, an upper clamping ring, a rubber ring, a connecting ring and screws;

the cover body outside has cup jointed down the snap ring, the cover body is in down snap ring department and has cup jointed the snap ring, down snap ring and last snap ring relative face edge all have bonded the rubber circle, down snap ring and last snap ring both sides all symmetrical welding have the go up the go-between, two opposite the go-between passes through the screw connection.

Preferably, the sizes of the lower clamping ring and the upper clamping ring are the same, and one side, close to the cover body, of the lower clamping ring is a rough curved surface.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use;

1. be provided with spacing protection component, imbed the iron core to the cover internal portion, then imbed the annular shrouding again to interior bottom card and interior top ring between, rotate the extrusion double-screw bolt again, extrusion spring shrink promotes extrusion piece extrusion iron core, and iron core bottom extrusion annular shrouding, annular shrouding and sealing washer laminating are inseparabler, guarantee sealed effect when fixed iron core, prevent the iron core damage.

2. The wire fixing assembly is arranged, when wires are installed, the wires are clamped in the gaps of the rubber rings between the lower clamping rings and the upper clamping rings, the wires are bent into a ring shape, the wires are extruded and fixed, the wires are prevented from swinging randomly, and the positions of the lower clamping rings at the positions of the cover bodies are adjusted, so that the wires are conveniently connected.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a limit guard assembly according to the present utility model;

FIG. 3 is a schematic view of the structure of the cable fixing assembly of the present utility model;

FIG. 4 is a schematic view of the mounting structure of the rubber ring of the present utility model;

reference numerals in the drawings: 1. a cover body;

2. a limit protection component; 201. an inner bottom card; 202. an inner top ring; 203. a seal ring; 204. an annular sealing plate; 205. a clamping groove; 206. an arc-shaped spring piece; 207. a screw hole; 208. extruding a stud; 209. an extrusion groove; 210. extruding a spring; 211. extruding the sheet;

3. a wire fixing assembly; 301. a lower snap ring; 302. a clamping ring is arranged; 303. a rubber ring; 304. a connecting ring; 305. and (5) a screw.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the utility model provides a protection shielding cover technical scheme of a transformer core, which comprises a cover body 1, wherein a limit protection assembly 2 is arranged in the cover body 1, and the limit protection assembly 2 comprises an inner bottom card 201, an inner top ring 202, a sealing ring 203, an annular sealing plate 204, a clamping groove 205, an arc-shaped spring piece 206, a screw hole 207, a pressing stud 208, a pressing groove 209, a pressing spring 210 and a pressing piece 211;

the inside bottom edge of cover 1 evenly is provided with interior bottom card 201, cover 1 inner wall is in interior bottom card 201 inner wall top position department welding has interior top ring 202, cover 1 top surface is the ring shape, interior bottom card 201 is the arc strip, a plurality of interior bottom cards 201 evenly distributed are in cover 1 outer ring inner wall and interior ring inner wall, the annular shrouding 204 joint of being convenient for is between interior bottom card 201 and interior top ring 202, interior top ring 202 bottom surface inlays and has sealing washer 203, movable joint has annular shrouding 204 between interior bottom card 201 and the interior top ring 202, draw-in groove 205 has been seted up to annular shrouding 204 top surface circumference array, draw-in groove 205 is inside to be inlayed and has arc spring piece 206, arc spring piece 206 is protruding arc piece in the epirelief, arc spring piece 206 both ends joint are in draw-in groove 205 both ends respectively, be convenient for extrude fixed iron core, screw 207 has been seted up to cover 1 top surface symmetry, screw 207 top has extrusion stud 208 through threaded connection, extrusion stud 208 bottom surface is seted up, extrusion stud 209 inside top surface is connected with extrusion spring 210, extrusion spring 210 bottom spot welding is connected with extrusion piece 211, extrusion 211 edge chamfer, extrusion piece bottom surface edge laminating, extrusion slot 209 laminating edge is convenient for the extrusion slot 209 inner wall along extrusion slot 211.

The outside of the cover body 1 is provided with a wire fixing assembly 3, and the wire fixing assembly 3 comprises a lower clamping ring 301, an upper clamping ring 302, a rubber ring 303, a connecting ring 304 and a screw 305;

the cover body 1 outside has cup jointed down the snap ring 301, cover body 1 is in down snap ring 301 department cup joint down and has gone up snap ring 302, down snap ring 301 and last snap ring 302 size the same, and lower snap ring 301 is rough curved surface near cover body 1 one side, and the lower snap ring 301 joint of being convenient for is fixed in cover body 1 outside, and lower snap ring 301 and the face edge that goes up snap ring 302 are relative all bond and have rubber circle 303, and lower snap ring 301 and go up snap ring 302 both sides all symmetry welding have connecting ring 304, and two opposite connecting rings 304 pass through screw 305 and connect.

The working principle and the using flow of the utility model are as follows: the iron core is embedded into the cover body 1, then the annular sealing plate 204 is embedded between the inner bottom clamp 201 and the inner top ring 202, in the process, the arc-shaped spring piece 206 can extrude the bottom end of the iron core and deform, so that the bonding effect of the iron core and the top end of the cover body 1 is better, the extrusion stud 208 is rotated, the extrusion spring 210 is contracted, the extrusion piece 211 is pushed to extrude the iron core, the bottom end of the iron core extrudes the annular sealing plate 204, the annular sealing plate 204 and the sealing ring 203 are bonded more tightly, the sealing effect is ensured while the iron core is fixed, and the iron core is prevented from being damaged;

when the wire is installed, the wire is clamped in a gap between the lower clamping ring 301 and the upper clamping ring 302, the wire is bent into a ring shape, the screw 305 is rotated, the lower clamping ring 301 and the upper clamping ring 302 are pulled to be close to each other, the wire is extruded and fixed, the wire is prevented from swinging at will, and the position of the lower clamping ring 301 at the cover body 1 is adjusted again, so that wiring is facilitated.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a protection shield cover of mutual-inductor iron core, includes the cover body (1), its characterized in that: the novel anti-theft device is characterized in that a limit protection assembly (2) is arranged inside the cover body (1), and the limit protection assembly (2) comprises an inner bottom clamp (201), an inner top ring (202), a sealing ring (203), an annular sealing plate (204), a clamping groove (205), an arc-shaped spring piece (206), a screw hole (207), an extrusion stud (208), an extrusion groove (209), an extrusion spring (210) and an extrusion piece (211);

the novel plastic inner cover is characterized in that inner bottom edges of the cover body (1) are uniformly provided with inner bottom clamps (201), inner top rings (202) are welded at the top ends of the inner bottom edges of the inner bottom clamps (201), sealing rings (203) are inlaid on the bottom surfaces of the inner top rings (202), annular sealing plates (204) are movably clamped between the inner bottom clamps (201) and the inner top rings (202), clamping grooves (205) are formed in circumferential arrays of the top surfaces of the annular sealing plates (204), arc-shaped spring pieces (206) are inlaid in the clamping grooves (205), screw holes (207) are symmetrically formed in the top surfaces of the cover body (1), extrusion studs (208) are connected to the top ends of the screw holes (207) through threads, extrusion grooves (209) are formed in the bottom surfaces of the extrusion studs (208), and extrusion springs (210) are connected to the bottom ends of the extrusion springs (210) through spot welding.

2. The protective shielding cover for the transformer core according to claim 1, wherein the top surface of the cover body (1) is circular, the inner bottom cards (201) are arc-shaped strips, and a plurality of the inner bottom cards (201) are uniformly distributed on the inner wall of the outer ring and the inner wall of the outer ring of the cover body (1).

3. The protective shield for a transformer core according to claim 1, wherein the bottom edges of the extrusion pieces (211) are chamfered, and the outer edges of the extrusion pieces (211) are attached to the inner walls of the extrusion grooves (209).

4. The protective shielding cover for the transformer core according to claim 1, wherein the arc-shaped spring piece (206) is an upward-protruding arc-shaped piece, and two ends of the arc-shaped spring piece (206) are respectively clamped at two ends of the clamping groove (205).

5. The protective shielding cover of the transformer core according to claim 1, wherein a wire fixing component (3) is arranged on the outer side of the cover body (1), and the wire fixing component (3) comprises a lower clamping ring (301), an upper clamping ring (302), a rubber ring (303), a connecting ring (304) and a screw (305);

the cover body (1) outside has cup jointed down snap ring (301), cover body (1) are in down snap ring (301) department has cup jointed and have gone up snap ring (302), down snap ring (301) and go up the face edge that snap ring (302) are relative all to bond rubber circle (303), down snap ring (301) and go up snap ring (302) both sides all symmetry welding have connecting ring (304), and two relative connecting ring (304) are connected through screw (305).

6. The protective shielding cover for the transformer core according to claim 5, wherein the lower clamping ring (301) and the upper clamping ring (302) have the same size, and one side of the lower clamping ring (301) close to the cover body (1) is a rough curved surface.