CN212257277U

CN212257277U - Core body structure of electric vacuum tap switch

Info

Publication number: CN212257277U
Application number: CN202021365383.XU
Authority: CN
Inventors: 陆国强
Original assignee: Wujiang Hexin Machinery Manufacturing Factory
Current assignee: Wujiang Hexin Machinery Manufacturing Factory
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-29
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an electronic vacuum tapping switch core structure, including vacuum tapping switch, vacuum tapping switch's inside is provided with the core, vacuum tapping switch's top is provided with the top cap, vacuum tapping switch's inside fixedly connected with mounting panel, the inside interlude of mounting panel is fixed with the rubber circle, the lower fixed surface of core is connected with the stand, two connecting rods of the fixed surface of stand are connected with, two the equal fixedly connected with L type fastener of one end that the connecting rod carried on the back mutually, two supporting seats of the last fixed surface of mounting panel are connected with. This electronic vacuum tap switch core structure through setting up the fin, when electronic vacuum tap switch's core operation, can produce partial heat, utilizes fin and radiating hole to dispel the heat to the core, can effectively improve the radiating efficiency to the core, and then extension electronic vacuum tap switch's life, improves economic benefits.

Description

Core body structure of electric vacuum tap switch

Technical Field

The utility model belongs to the technical field of the tapping switch, concretely relates to electronic vacuum tapping switch core structure.

Background

The tap changer is applied to tap conversion and connection of coil equipment, and is divided into an off-circuit tap changer and an on-load tap changer, and the electric vacuum tap changer is one of the tap changers; the power transformer has +/-5% taps, and the tap connection is changed through a tap changer to change the number of turns of a high-voltage coil, so that the output voltage of the transformer is adjusted. Various problems still exist with various electrically powered vacuum tap changers.

The core device of the tap changer disclosed as the No. CN 208045332U realizes the adoption of a cylindrical structure design, and through the arrangement of a plurality of terminals, the tapping effect of the device can be effectively increased, through the arrangement of the swing arm and the contact piece, the device can be enabled to realize the random switching of the line positions through rotation, so that the whole device has good practicability, but the installation convenience of the core in the vacuum tap changer is not solved, meanwhile, the core is inconvenient to replace when being maintained and maintained, and the core cannot be effectively radiated, the service life of the electric vacuum switch is influenced, and therefore, the core structure of the electric vacuum tap changer is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic vacuum tapping switch core structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric vacuum tap switch core structure comprises a vacuum tap switch, wherein a core body is arranged inside the vacuum tap switch, a top cover is arranged at the top end of the vacuum tap switch, a mounting plate is fixedly connected inside the vacuum tap switch, a rubber ring is fixedly inserted inside the mounting plate, a stand column is fixedly connected to the lower surface of the core body, two connecting rods are fixedly connected to the outer surface of the stand column, an L-shaped clamping piece is fixedly connected to one end of each of the two connecting rods, which is opposite to each other, two supporting seats are fixedly connected to the upper surface of the mounting plate, fixed plates are fixedly connected to the upper surfaces of the two supporting seats, mounting grooves are formed in the lower surfaces of the two fixed plates, rotating rods are rotatably connected inside the two mounting grooves, limiting plates are fixedly connected to the outer surfaces of the two rotating rods, and strip-shaped, one side of two limiting plates all is provided with a set of extrusion spring, a set of louvre has been seted up to the inside of mounting panel, and a set of louvre department is provided with the fin.

Preferably, the top cover is in threaded connection with the top end of the vacuum tap switch, and a knob is fixedly connected to the upper surface of the top cover.

Preferably, the mounting plate is internally provided with a through hole, and the outer ring of the rubber ring is fixedly connected with the through hole.

Preferably, the cross section of the upright column is matched with the size of the inner ring of the rubber ring.

Preferably, two corresponding circular grooves are formed in the mounting groove, two ends of the rotating rod are respectively located in the two circular grooves, and the two circular grooves are matched in size.

Preferably, one end of the extrusion spring is fixedly connected with one side of the limiting plate, and the other end of the extrusion spring is fixedly connected with one side of the supporting seat.

Preferably, the two strip-shaped holes are trapezoidal, and the strip-shaped holes are matched with the L-shaped clamping pieces in size.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the core body structure of the electric vacuum tap switch is provided with the knob, the knob is screwed to drive the top cover to rotate, the top cover can be taken down from the vacuum tap switch, then the upright post on the core body is inserted into the rubber ring, the upright post and the core body are fixed by the extrusion of the rubber ring, meanwhile, in the process of moving the upright post downwards, the two L-shaped clamping pieces move downwards and penetrate through the corresponding strip-shaped holes, and the change of the angle of the limiting plate is extruded until the limiting plate is matched with the aperture in the strip-shaped hole, the limiting plate is tightly clamped, the two L-shaped clamping pieces are limited left and right, and the two L-shaped clamping pieces are matched with the elasticity of the extrusion spring, so that the installation stability of the two L-shaped clamping pieces and the core body is better, the effect of convenient installation is played simultaneously, and when the core body needs to be taken off for maintenance, the core body is pulled out with little force, so that the structure has good practicability, and meanwhile, convenience is brought to the installation and the disassembly of the core body.

(2) This electronic vacuum tap switch core structure through setting up the fin, when electronic vacuum tap switch's core operation, can produce partial heat, utilizes fin and radiating hole to dispel the heat to the core, can effectively improve the radiating efficiency to the core, and then extension electronic vacuum tap switch's life, improves economic benefits.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is an enlarged view of the structure of fig. 2 at a;

fig. 4 is a schematic top view of the mounting plate of the present invention;

fig. 5 is the utility model discloses a limiting plate looks sideways at the structural schematic diagram.

In the figure: 1. a vacuum tap switch; 2. a core body; 3. a top cover; 4. mounting a plate; 5. a rubber ring; 6. a column; 7. a connecting rod; 8. an L-shaped clamping piece; 9. a supporting seat; 10. a fixing plate; 11. mounting grooves; 12. a rotating rod; 13. a limiting plate; 14. a strip-shaped hole; 15. a compression spring; 16. heat dissipation holes; 17. a heat sink; 18. a knob; 19. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a core structure of an electric vacuum tapping switch, which comprises: the vacuum tap switch comprises a vacuum tap switch 1, a core body 2 is arranged in the vacuum tap switch 1, a top cover 3 is arranged at the top end of the vacuum tap switch 1, a mounting plate 4 is fixedly connected in the vacuum tap switch 1, a rubber ring 5 is fixedly inserted in the mounting plate 4, a stand column 6 is fixedly connected to the lower surface of the core body 2, two connecting rods 7 are fixedly connected to the outer surface of the stand column 6, L-shaped clamping pieces 8 are fixedly connected to opposite ends of the two connecting rods 7, two supporting seats 9 are fixedly connected to the upper surface of the mounting plate 4, fixing plates 10 are fixedly connected to the upper surfaces of the two supporting seats 9, mounting grooves 11 are respectively formed in the lower surfaces of the two fixing plates 10, rotating rods 12 are rotatably connected in the two mounting grooves 11, limiting plates 13 are respectively fixedly connected to the outer surfaces of the two rotating rods 12, strip-shaped holes 14 are respectively formed, a set of heat dissipation holes 16 is formed inside the mounting plate 4, and heat dissipation fins 17 are arranged at the positions of the heat dissipation holes 16.

In this embodiment, preferably, the top cover 3 is in threaded connection with the top end of the vacuum tap changer 1, the knob 18 is fixedly connected to the upper surface of the top cover 3, and the knob 18 is arranged to facilitate screwing and removing the top cover 3.

In this embodiment, preferably, a through hole is formed in the mounting plate 4, and the outer ring of the rubber ring 5 is fixedly connected with the through hole, so that the rubber ring 5 is conveniently fixed to the inside of the mounting plate 4.

In this embodiment, it is preferable that the cross section of the pillar 6 is adapted to the size of the inner ring of the rubber ring 5, so that the pillar can be easily inserted and can be initially fixed by being pressed with depth.

In this embodiment, preferably, two corresponding circular grooves 19 have been seted up to the inside of mounting groove 11, and the both ends of bull stick 12 are located the inside of two circular grooves 19 respectively, and size phase-match between them, and along with the extrusion of L type fastener 8, limiting plate 13 is along with the bull stick is at circular groove 19 internal rotation, is the change of certain angle.

In this embodiment, preferably, one end of the set of pressing springs 15 is fixedly connected to one side of the limiting plate 13, and the other end of the set of pressing springs 15 is fixedly connected to one side of the supporting seat 9, so that the pressing springs 15 generate elastic force to facilitate the removal of the core 2 along with the change of the angle of the limiting plate 13.

In this embodiment, preferably, the two strip-shaped holes 14 are both in a trapezoidal shape, and the size of the strip-shaped hole 14 is matched with that of the L-shaped clamping piece 8, and the strip-shaped hole 14 is clamped and fixed with the L-shaped clamping piece 8 when the L-shaped clamping piece 8 moves down to a proper position.

The utility model discloses a theory of operation and use flow: the core body structure of the electric vacuum tap switch is characterized in that the knob 18 is arranged, the knob 18 is screwed to drive the top cover 3 to rotate, the top cover 3 can be taken down from the vacuum tap switch 1, then the upright post 6 on the core body 2 is inserted into the rubber ring 5, the upright post 6 and the core body 2 are fixed through the extrusion of the rubber ring 5, meanwhile, in the process that the upright post 6 moves down, the two L-shaped clamping pieces 8 move downwards and pass through the corresponding strip-shaped holes 14, the change of the angle of the limiting plate 13 is extruded until the L-shaped clamping pieces are matched with the apertures in the strip-shaped holes 14, the L-shaped clamping pieces 8 are clamped, the two L-shaped clamping pieces 8 are limited left and right, the elasticity of the extrusion spring 15 is matched, the installation stability of the two L-shaped clamping pieces 8 and the core body 2 is better, the effect of convenient installation is achieved, and the core body 2 can be pulled out by force slightly when needing to take, also bring facility for the installation dismantlement of core 2 simultaneously, through setting up fin 17, when electric vacuum tap switch's core 2 operation, can produce partial heat, utilize fin 17 and louvre 16 to dispel the heat to core 2, can effectively improve the radiating efficiency to core 2, and then prolong electric vacuum tap switch's life, improve economic benefits.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic vacuum tap changer core structure, includes vacuum tap changer (1), its characterized in that: the vacuum tap changer is characterized in that a core body (2) is arranged inside the vacuum tap changer (1), a top cover (3) is arranged at the top end of the vacuum tap changer (1), a mounting plate (4) is fixedly connected inside the vacuum tap changer (1), a rubber ring (5) is fixedly inserted inside the mounting plate (4), a stand column (6) is fixedly connected to the lower surface of the core body (2), two connecting rods (7) are fixedly connected to the outer surface of the stand column (6), L-shaped clamping pieces (8) are fixedly connected to the opposite ends of the two connecting rods (7), two supporting seats (9) are fixedly connected to the upper surface of the mounting plate (4), fixing plates (10) are fixedly connected to the upper surfaces of the two supporting seats (9), mounting grooves (11) are formed in the lower surfaces of the two fixing plates (10), and rotating rods (12) are rotatably connected to the inside of the two mounting, two the equal fixedly connected with limiting plate (13) in surface of bull stick (12), two bar hole (14) have all been seted up to the inside of limiting plate (13), two one side of limiting plate (13) all is provided with a set of extrusion spring (15), a set of louvre (16) have been seted up to the inside of mounting panel (4), and is a set of louvre (16) department is provided with fin (17).

2. An electrical vacuum tap changer core structure according to claim 1, characterized in that: the top cover (3) is in threaded connection with the top end of the vacuum tap switch (1), and a knob (18) is fixedly connected to the upper surface of the top cover (3).

3. An electrical vacuum tap changer core structure according to claim 1, characterized in that: the inside of mounting panel (4) is provided with the through-hole, the outer lane of rubber circle (5) with through-hole fixed connection.

4. An electrical vacuum tap changer core structure according to claim 1, characterized in that: the cross section of the upright post (6) is matched with the size of the inner ring of the rubber ring (5).

5. An electrical vacuum tap changer core structure according to claim 1, characterized in that: two corresponding circular grooves (19) are formed in the mounting groove (11), two ends of the rotating rod (12) are located in the two circular grooves (19) respectively, and the two circular grooves are matched in size.

6. An electrical vacuum tap changer core structure according to claim 1, characterized in that: a set of the one end of extrusion spring (15) with one side fixed connection of limiting plate (13), a set of the other end of extrusion spring (15) with one side fixed connection of supporting seat (9).

7. An electrical vacuum tap changer core structure according to claim 1, characterized in that: two strip-shaped holes (14) are in a trapezoidal shape, and the strip-shaped holes (14) are matched with the L-shaped clamping pieces (8) in size.