CN216054068U

CN216054068U - Relay insulator

Info

Publication number: CN216054068U
Application number: CN202121863833.2U
Authority: CN
Inventors: 都炳智; 张国强; 鲁长胜; 牛玉磊
Original assignee: Weifang Haoshuntai Power Equipment Co ltd
Current assignee: Weifang Haoshuntai Power Equipment Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-15
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a relay insulator which comprises a glass fiber rod, an externally attached rubber, a main rubber ring, an auxiliary rubber ring and a relay coil, wherein the externally attached rubber is wrapped on the outer surface of the glass fiber rod, the main rubber ring and the auxiliary rubber ring are connected to the outer surface of the glass fiber rod, a silicon steel sheet is installed on the side surface of the main rubber ring in an embedded mode, the outer surfaces of the silicon steel sheet and the main rubber ring are penetrated through by positioning pins, and two ends of the glass fiber rod are connected with a steel cap and a steel foot through locking structures respectively. The relay insulator is provided with the positioning pin, the relay coil and the main rubber ring are kept in a concentric state in the installation process through the positioning pin, then after the main rubber ring is installed on the glass fiber rod, the positioning pin is pulled out one by one, and quick-drying rubber is injected into the positioning hole, so that the silicon steel sheet and the relay coil are positioned and fixed, and the condition that the relay coil and the center rod are not concentric due to the gap of the bolt is avoided.

Description

Relay insulator

Technical Field

The utility model relates to the technical field of electric power facilities, in particular to a relay insulator.

Background

The insulator is a device which is arranged between conductors with different electric potentials or between the conductors and a grounding member and can withstand the action of voltage and mechanical stress, the insulator has various types and different shapes, and the structures and the appearances of different types of insulators are greatly different, but the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting, but the existing insulator has some problems in the use process;

when current insulator is fixing a position between central rod and relay coil, need fix through the bolt, but there is great clearance between bolt and the screw, consequently the eccentric condition of relay coil and central rod appears very easily, thereby can make relay coil's magnetic field not concentric and comparatively dispersion with the central rod, be unfavorable for the normal stable work of insulator, steel cap and the steel foot that insulator both ends played the joint support effect simultaneously are when blocking with the central rod, it has certain space to exempt from to exist between the central rod, this just leads to rainwater and dust can get into between central rod and steel cap and the steel foot, thereby influence the insulating properties of central rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a relay insulator to solve the problems of inaccurate installation and positioning of the insulator and a relay coil and insufficient tightness of connection between the insulator and a steel cap and connection between the insulator and a steel pin in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a relay insulator, includes the glass fiber stick, attaches rubber, main rubber circle, vice rubber circle and relay coil outward, the surface parcel of glass fiber stick has attaches rubber outward, the surface of glass fiber stick is connected with main rubber circle and vice rubber circle, the embedded silicon steel sheet of installing of side surface of main rubber circle, the surface bonding of silicon steel sheet has relay coil, the surface of silicon steel sheet and main rubber circle is run through by the locating pin, the both ends of glass fiber stick are connected with steel cap and steel foot through locking structure respectively.

Preferably, main rubber circle and vice rubber circle are interference fit with the glass fiber stick respectively, main rubber circle and vice rubber circle are the interval setting.

By adopting the technical scheme, the main rubber ring and the auxiliary rubber ring can be fixed on the outer surface of the glass fiber rod.

Preferably, the positioning pins are uniformly distributed on the outer surface of the silicon steel sheet, and the silicon steel sheet and the auxiliary rubber ring are in interference fit.

By adopting the technical scheme, the silicon steel sheet can be clamped together with the main rubber ring in a concentric state through the positioning pin.

Preferably, the locking structure is in threaded connection with the steel cap and the steel foot respectively, and the inner side surface of the locking structure is attached to the outer side surface of the outer attached rubber.

By adopting the technical scheme, the steel cap and the steel foot can be tightly connected with the glass fiber rod through the locking structure.

Preferably, the locking structure comprises a limiting shell, an extrusion rod, a supporting spring, a first limiting block and a second limiting block.

By adopting the technical scheme, the locking structure capable of preventing transverse and longitudinal pulling is formed, so that the steel cap and the steel feet cannot easily fall off.

Preferably, a sliding extrusion rod is arranged inside the side surface of the limiting shell, one section of the extrusion rod penetrates through the outer surface of the limiting shell, a supporting spring is connected between the extrusion rod and the limiting shell, and the inner side surface of the limiting shell is penetrated by a first limiting block and a second limiting block.

By adopting the technical scheme, the first limiting block and the second limiting block can be extruded when the extrusion rod slides, and the extrusion of the first limiting block and the second limiting block is released under the action of the supporting spring when the extrusion rod is not stressed.

Preferably, the first limiting block and the second limiting block are uniformly distributed on the inner side surface of the limiting shell, the first limiting block and the second limiting block are arranged in a staggered mode, and the outer surfaces of the first limiting block and the second limiting block are attached to each other.

By adopting the technical scheme, the first limiting block and the second limiting block can be matched with the external rubber to seal the gap between the glass fiber rod and the steel cap and the steel foot by staggering and mutually attaching the outer surfaces.

Compared with the prior art, the utility model has the beneficial effects that: this relay insulator:

1. the positioning pins are arranged, so that the relay coil and the main rubber ring are kept in a concentric state in the installation process, and then after the main rubber ring is installed on the glass fiber rod, the positioning pins are pulled out one by one and quick-drying rubber is injected into the positioning holes, so that the positioning and fixing of the silicon steel sheet and the relay coil are completed, and the phenomenon that the relay coil and the central rod are not concentric due to the gap of the bolts is avoided;

2. the locking structure is arranged, the steel cap and the steel foot are firmly fixed at two ends of the glass fiber rod by the locking structure, and the steel cap and the steel foot cannot be easily separated from the connection with the glass fiber rod under the action of force in any direction, so that the steel cap and the steel foot can provide stable support for the glass fiber rod;

3. be provided with outer attached rubber, utilize outer attached rubber and the first stopper and the second stopper of dislocation set for the gap between locking structure and the glass fiber stick is stopped up by outer attached rubber, first stopper and second stopper, has avoided rainwater and dust to get into between glass fiber stick and steel cap and the steel foot and has caused the influence to the normal work of insulator.

Drawings

FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the connection of the silicon steel sheet and the relay coil according to the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of the connection of the main rubber ring and the silicon steel sheet of the present invention;

FIG. 4 is a schematic overall perspective view of the present invention;

FIG. 5 is a front cross-sectional structural schematic view of the locking structure of the present invention;

fig. 6 is a side sectional structural schematic view of the locking structure of the present invention.

In the figure: 1. a glass fiber rod; 2. externally attaching rubber; 3. a main rubber ring; 4. a secondary rubber ring; 5. silicon steel sheets; 6. a relay coil; 7. positioning pins; 8. a steel cap; 9. a steel foot; 10. a locking structure; 101. a limiting shell; 102. an extrusion stem; 103. a support spring; 104. a first stopper; 105. and a second limiting 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. 1-6, the present invention provides a technical solution: the utility model provides a relay insulator, including glass fiber stick 1, attach rubber 2 outward, main rubber circle 3, vice rubber circle 4, silicon steel sheet 5, relay coil 6, locating pin 7, the steel cap 8, steel foot 9 and locking structure 10, glass fiber stick 1's surface parcel has attaches rubber 2 outward, glass fiber stick 1's surface is connected with main rubber circle 3 and vice rubber circle 4, main rubber circle 3 and vice rubber circle 4 are interference fit with glass fiber stick 1 respectively, main rubber circle 3 and vice rubber circle 4 are the interval setting, main rubber circle 3 and vice rubber circle 4 form interference fit between attaching rubber 2 and glass fiber stick 1 through outward, thereby make main rubber circle 3 and vice rubber circle 4 can not rock at glass fiber stick 1's surface at will.

As shown in fig. 1-3, embedded silicon steel sheet 5 of installing of side surface of main rubber circle 3, the surface adhesion of silicon steel sheet 5 has relay coil 6, the surface of silicon steel sheet 5 and main rubber circle 3 is run through by locating pin 7, locating pin 7 evenly distributed is at the surface of silicon steel sheet 5, silicon steel sheet 5 is interference fit with vice rubber circle 4, twine relay coil 6 at the surface of silicon steel sheet 5, then carry out accurate positioning to silicon steel sheet 5 and main rubber circle 3 through locating pin 7, thereby make relay coil 6 can keep concentric with glass fiber rod 1, avoid relay coil 6's magnetic field to appear the dispersion.

As shown in fig. 1, 4, 5 and 6, two ends of a glass fiber rod 1 are respectively connected with a steel cap 8 and a steel foot 9 through a locking structure 10, the locking structure 10 is respectively in threaded connection with the steel cap 8 and the steel foot 9, an inner surface of the locking structure 10 is attached to an outer surface of an externally attached rubber 2, the locking structure 10 includes a limiting shell 101, an extrusion rod 102, a support spring 103, a first limiting block 104 and a second limiting block 105, the sliding extrusion rod 102 is arranged inside a side surface of the limiting shell 101, a section of the extrusion rod 102 penetrates through the outer surface of the limiting shell 101, the support spring 103 is connected between the extrusion rod 102 and the limiting shell 101, the inner surface of the limiting shell 101 is penetrated by the first limiting block 104 and the second limiting block 105, the first limiting block 104 and the second limiting block 105 are uniformly distributed on the inner surface of the limiting shell 101, the first limiting block 104 and the second limiting block 105 are arranged in a staggered manner, the outer surfaces of the first limiting block 104 and the second limiting block 105 are attached, after the main rubber ring 3 and the auxiliary rubber ring 4 are installed, the two ends of the glass fiber rod 1 are respectively inserted into the inner parts of the locking structures 10 on the steel cap 8 and the steel foot 9, then the steel cap 8 and the steel foot 9 are rotated, the steel cap 8 and the steel foot 9 slide towards the inner part of the limiting shell 101 through the threaded connection with the limiting shell 101, the steel cap 8 and the steel foot 9 extrude the extruding rod 102, the extruding rod 102 compresses the supporting spring 103 and extrudes the first limiting block 104 and the second limiting block 105, so that the first limiting block 104 and the second limiting block 105 simultaneously form interference fit with the externally attached rubber 2, at the moment, because the first limiting block 104 and the second limiting block 105 simultaneously form interference fit with the externally attached rubber 2 and the outer surfaces of the first limiting block 104 and the second limiting block 105 are attached, gaps between the glass fiber rod 1 and the steel cap 8 and the steel foot 9 are sealed, the normal work of the insulator is ensured.

The working principle is as follows: when the relay insulator is used, firstly, a relay coil 6 is fixed on a silicon steel sheet 5, then the silicon steel sheet 5 is placed in a rubber forming mold, a main rubber ring 3 and an auxiliary rubber ring 4 are manufactured through the mold according to the circle center of the silicon steel sheet 5, then the silicon steel sheet 5 is embedded into the main rubber ring 3, a positioning pin 7 is inserted, the positioning pins 7 are pulled out one by one and filled with quick-drying rubber until all the positioning pins 7 are pulled out, then a layer of externally attached rubber 2 is attached to the outer surface of a glass fiber rod 1 through vulcanization, then the main rubber ring 3 and the auxiliary rubber ring 4 are fixed to the outer surface of the glass fiber rod 1 through interference fit with the glass fiber rod 1 and the externally attached rubber 2, the quick-drying rubber is coated on the joints of the glass fiber rod 1, the main rubber ring 3 and the auxiliary rubber ring 4 for fixing, and finally a steel cap 8 and a steel foot 9 are respectively installed at two ends of the glass fiber rod 1 through a locking structure 10, the installation of completion to the insulator for the insulator can obtain the stable of steel cap 8 and steel foot 9 in the course of the work and support, has increased holistic practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a relay insulator, includes glass fiber stick (1), attaches rubber (2), main rubber circle (3), vice rubber circle (4) and relay coil (6), its characterized in that: the outer surface coating of glass fiber stick (1) has outer attached rubber (2), the surface of glass fiber stick (1) is connected with main rubber circle (3) and vice rubber circle (4), the embedded silicon steel sheet (5) of installing of side surface of main rubber circle (3), the surface bonding of silicon steel sheet (5) has relay coil (6), the surface of silicon steel sheet (5) and main rubber circle (3) is run through by locating pin (7), the both ends of glass fiber stick (1) are connected with steel cap (8) and steel foot (9) through locking structure (10) respectively.

2. A relay insulator according to claim 1, characterised in that: the main rubber ring (3) and the auxiliary rubber ring (4) are in interference fit with the glass fiber rod (1) respectively, and the main rubber ring (3) and the auxiliary rubber ring (4) are arranged at intervals.

3. A relay insulator according to claim 1, characterised in that: the positioning pins (7) are uniformly distributed on the outer surface of the silicon steel sheet (5), and the silicon steel sheet (5) and the auxiliary rubber ring (4) are in interference fit.

4. A relay insulator according to claim 1, characterised in that: the locking structure (10) is in threaded connection with the steel cap (8) and the steel foot (9) respectively, and the inner side surface of the locking structure (10) is attached to the outer side surface of the attached rubber (2).

5. A relay insulator according to claim 1, characterised in that: the locking structure (10) comprises a limiting shell (101), an extrusion rod (102), a supporting spring (103), a first limiting block (104) and a second limiting block (105).

6. A relay insulator according to claim 5, characterised in that: the side surface of the limiting shell (101) is internally provided with a sliding extrusion rod (102), one section of the extrusion rod (102) penetrates through the outer surface of the limiting shell (101), a supporting spring (103) is connected between the extrusion rod (102) and the limiting shell (101), and the inner side surface of the limiting shell (101) is penetrated by a first limiting block (104) and a second limiting block (105).

7. A relay insulator according to claim 5, characterised in that: first stopper (104) and second stopper (105) evenly distributed are at the inside surface of spacing shell (101), first stopper (104) and second stopper (105) are dislocation set, the surface of first stopper (104) and second stopper (105) is laminated mutually.