CN214100564U

CN214100564U - Drawable VD4 switch

Info

Publication number: CN214100564U
Application number: CN202022752142.7U
Authority: CN
Inventors: 范春丰; 吴望业; 钱鑫; 肖高远; 詹磊; 王雨艺; 余卫成; 鲍新民; 孙炳伟; 郭吉伟; 范镔; 许燕军; 程燕云; 黄帅; 徐榕拥; 申屠强鑫; 戴毅; 姚立巍
Original assignee: Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Tonglu Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Tonglu Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-31
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a telescopic VD4 switch, including the switch body, switch base and supplementary extension fixture, be equipped with first contact pin on the switch body, be equipped with first terminal on the switch base, supplementary extension fixture is including the first disc that is equipped with the second contact pin, the second disc and the wire that are equipped with the second terminal, be equipped with first magnet on the first disc, be equipped with the second magnet on the second disc, first magnet corresponds the setting with the second magnet position, when supplementary extension fixture used, the second contact pin cooperates with first terminal, second terminal cooperates with first contact pin and realizes the electricity between switch body and the switch base, during the linkage test, first contact pin need not directly to cooperate with first terminal, the counterpoint operation has been omitted, first magnet adsorbs on the terminal surface of switch base, second magnet adsorbs on the terminal surface of switch body; when supplementary extension fixture accomodate, second contact pin and second terminal cooperation, first magnet and second magnet adsorb each other.

Description

Drawable VD4 switch

Technical Field

The utility model relates to a VD4 switch technical field especially relates to a telescopic VD4 switch.

Background

The withdrawable VD4 switch has a handcart chassis structure, and can be pushed or pulled to a corresponding position in different states of a circuit. In order to check the operation correctness of the withdrawable VD4 switch related to the switching-on and switching-off loop, the jump prevention loop, the reclosing stop loop and the air pressure locking loop and the phase voltage of each phase and the phase consistency of the switching-on and switching-off loops of the circuit breaker, a switch linkage test is required. In the switch linkage test, need correspond last jack on the cubical switchboard with the delivery dolly, it is fixed to keep the level after inserting, because of the switch dolly all is very heavy with the operation dolly, the dolly counterpoint operation probability of once succeeding is lower for counterpoint operation has occupied most time in whole experimental preparation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can extract formula VD4 switch with supplementary extension fixture.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a withdrawable VD4 switch comprises a switch body and a switch base, wherein a first contact pin is arranged on the switch body, a first binding post matched with the first contact pin is arranged on the switch base, the end face of the switch body, which is provided with the first contact pin, and the end face of the switch base, which is provided with the first binding post are both metal end faces, the withdrawable VD4 switch also comprises an auxiliary extension device, the auxiliary extension device comprises a first disc, which is provided with a second contact pin, a second disc, which is provided with a second binding post, and a lead, which is electrically connected with the first disc and the second disc, the lead is sleeved with an insulating corrugated pipe, a first boss is arranged and formed on the periphery of the second contact pin, a first mounting groove is arranged on the first boss, a first magnet is connected in the first mounting groove in a sliding manner, a second boss is arranged and formed on the periphery of the second binding post, a second mounting groove is arranged and a second magnet is connected in the second mounting groove in a sliding manner, the first magnet and the second magnet are correspondingly arranged, when the auxiliary extension device is in a use state, the second contact pin is matched with the first binding post, the second binding post is matched with the first contact pin to realize the electric connection between the switch body and the switch base, the first magnet is adsorbed on the end face of the switch base, and the second magnet is adsorbed on the end face of the switch body; when supplementary extension fixture was in the state of accomodating, the second contact pin realized being connected of first disc and second disc with the cooperation of second terminal, and first magnet adsorbs each other with the second magnet.

Furthermore, when the second contact pin and the second binding post are in a matching state, the end face of the first boss abuts against the end face of the second boss.

Furthermore, the length of the second contact pin is L when the second contact pin is matched with the second binding post, and the heights of the first boss and the second boss are both L/2.

Further, be equipped with first slider in the first mounting groove, first magnet is installed in the tip that first slider is close to first mounting groove notch, is equipped with the first spout of vertical setting on the inner wall of first mounting groove, be equipped with on the lateral wall of first slider with first spout complex first guide strip, first guide strip removes in first spout and realizes that first slider removes towards the direction that is close to or keeps away from the switch base.

Further, be equipped with the second slider in the second mounting groove, second magnet is installed in the tip that the second slider is close to the second mounting groove notch, is equipped with the second spout of vertical setting on the inner wall of second mounting groove, be equipped with on the lateral wall of second slider with second spout complex second gib block, the second gib block removes towards the direction of being close to or keeping away from the switch body in the second spout removal realization second slider.

Further, first mounting groove is equipped with a plurality ofly and sets up along the circumference equipartition interval of first boss, and the second mounting groove is equipped with a plurality ofly and sets up along the circumference equipartition interval of second boss.

After the technical scheme is adopted, the utility model has the advantages of as follows:

through setting up supplementary extension fixture, supplementary extension fixture includes first disc, second disc and wire, through the second contact pin with first disc and the first terminal cooperation of switch base, with the second terminal of second disc and the first contact pin cooperation of switch body, realize the electricity of switch body and switch base and be connected, when making the linkage experiment, first contact pin need not directly to be connected with first terminal electricity, the switch body need not to remove to with switch base complex position, the counterpoint operation has been left out, the experimental preparation time of linkage experiment has greatly been saved. Meanwhile, the first magnet is arranged on the first disc, and because the end face of the switch base is a metal end face, when the second contact pin and the first binding post are in a matched state, the first magnet and the metal end face of the switch base are mutually attracted, and the first magnet moves towards the metal end face of the switch base and is adsorbed on the metal end face of the switch base, so that the second contact pin and the first binding post are stably matched and are not easily separated under the influence of external force; the same, be equipped with second magnet on the second disc, when second terminal and first contact pin were in the fit state, the second magnet attracted with the metal terminal surface of switch body each other, and second magnet moves and adsorbs on the metal terminal surface of switch body towards the metal terminal surface of switch body for the cooperation between second terminal and the first contact pin is more stable, is difficult to receive external force to influence separately. When supplementary extension fixture was in the state of accomodating, the second contact pin realized being connected of first disc and second disc with the cooperation of second terminal for the second contact pin is located the second terminal, is difficult for receiving the damage accomodating the in-process, and first magnet and second magnet adsorb each other simultaneously, make the cooperation of second contact pin and second terminal stable, are difficult for throwing off.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic diagram of the extractable VD4 switch according to the present invention before the auxiliary extending device is matched with the switch body and the switch base.

Fig. 2 is a schematic diagram of the auxiliary extension device, the switch body and the switch base of the withdrawable VD4 switch according to the present invention.

Fig. 3 is a cross-sectional view of the auxiliary extension device of the withdrawable VD4 switch of the present invention when being engaged with the switch body and the switch base.

Fig. 4 is a cross-sectional view of the auxiliary extension device in the withdrawable VD4 switch of the present invention before the second pin is engaged with the second terminal.

Fig. 5 is a cross-sectional view of the auxiliary extension device in the withdrawable VD4 switch of the present invention when the second pin is engaged with the second terminal.

The names of the components marked in the figures are as follows:

100. a switch body; 110. a first pin; 200. a switch base; 210. a first terminal post; 300. an auxiliary extension device; 310. a first disc; 311. a second pin; 312. a first boss; 313. a first mounting groove; 314. a first slider; 315. a first magnet; 320. a second disc; 321. a second terminal; 322. a second boss; 323. a second mounting groove; 324. a second slider; 325. a second magnet; 330. and (4) conducting wires.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

As shown in fig. 1 to 5, the utility model provides a drawable VD4 switch, including switch body 100 and switch base 200, be equipped with first contact pin 110 on the switch body 100, be equipped with on the switch base 200 with first contact pin 110 complex first terminal 210, the terminal surface that switch body 100 was equipped with first contact pin 110 and the terminal surface that switch base 200 was equipped with first terminal 210 are the metal terminal surface, drawable VD4 switch still includes supplementary extension fixture 300, supplementary extension fixture 300 is including the first disc 310 that is equipped with second contact pin 311, the second disc 320 that is equipped with second terminal 321 and the wire 330 of electricity first disc 310 and second disc 320 are connected, the cover is equipped with insulating bellows on the wire 330, play the guard action to wire 330, can avoid dangers such as electric leakage simultaneously, make the use of supplementary extension fixture 300 safer. When the auxiliary extension device 300 is in a use state, the second contact pin 311 is matched with the first binding post 210, the second binding post 321 is matched with the first contact pin 110 to realize the electric connection between the switch body 100 and the switch base 200, so that during linkage test, the first contact pin 110 is not required to be directly electrically connected with the first binding post 210, the switch body 100 is not required to be moved to a position matched with the switch base 200, the alignment operation is omitted, and the test preparation time of the linkage test is greatly saved.

Protruding setting all around of second contact pin 311 forms first boss 312, be equipped with first mounting groove 313 on the first boss 312, sliding connection has first magnet 315 in first mounting groove 313, when second contact pin 311 is in the fit state with first terminal 210, first magnet 315 attracts each other with switch base 200's metal end face, first magnet 315 moves and adsorbs on switch base 200's metal end face towards switch base 200's metal end face, make the cooperation between second contact pin 311 and the first terminal 210 relatively stable, be difficult to receive the external force influence and part.

Second terminal 321 protruding the setting all around and forming second boss 322, be equipped with second mounting groove 323 on the second boss 322, sliding connection has second magnet 325 in second mounting groove 323, when second terminal 321 is in the fit state with first contact pin 110, second magnet 325 and switch body 100's metal end face inter attraction, second magnet 325 removes and adsorbs on switch body 100's metal end face towards switch body 100's metal end face, make the cooperation between second terminal 321 and the first contact pin 110 relatively stable, be difficult to receive external force to influence separately.

When supplementary extension fixture 300 was in the state of accomodating, second contact pin 311 and the cooperation of second terminal 321 realized being connected of first disc 310 and second disc 320 for second contact pin 311 is located second terminal 321, is difficult for receiving the damage at the in-process of accomodating, and first magnet 315 corresponds the setting with second magnet 325 position, and first magnet 315 adsorbs each other with second magnet 325, makes the cooperation of second contact pin 311 and second terminal 321 stable, is difficult for breaking away.

In this embodiment, when the second pin 311 and the second post 321 are in a matching state, that is, when the auxiliary extending device 300 is in a storage state, the end surface of the first boss 312 abuts against the end surface of the second boss 322, and the first magnet 315 and the second magnet 325 can be attracted to each other without moving, so that the matching between the first disc 310 and the second disc 320 is more stable.

The length of the second pin 311 is L when the second pin is engaged with the second post 321, and the heights of the first boss 312 and the second boss 322 are both L/2, so that the end surface of the first boss 312 abuts against the end surface of the second boss 322.

Be equipped with first slider 314 in the first mounting groove 313, first magnet 315 installs the tip that is close to first mounting groove 313 notch with first slider 314, be equipped with the first spout of vertical setting (the vertical setting refers to the position that the attached drawing shows) on the inner wall of first mounting groove 313, be equipped with on the lateral wall of first slider 314 with first spout complex first guide strip, first guide strip moves in first spout and realizes that first slider 314 removes towards the direction of being close to or keeping away from switch base 200, and then realizes that first magnet 315 is close to or keeps away from the terminal surface of switch base 200.

A second slider 324 is arranged in the second mounting groove 323, a second magnet 325 is mounted at the end of the second slider 324 close to the notch of the second mounting groove 323, a second chute (the vertical arrangement refers to the position shown in the drawing) which is vertically arranged is arranged on the inner wall of the second mounting groove 323, a second guide strip which is matched with the second chute is arranged on the side wall of the second slider 324, the second guide strip moves in the second chute to enable the second slider 324 to move towards the direction close to or away from the switch body 100, and further the second magnet 325 is close to or away from the end face of the switch body 100.

First mounting groove 313 is equipped with a plurality ofly and sets up along the circumference equipartition interval of first boss 312 for first magnet 315 is provided with a plurality ofly, further guarantees that first magnet 315 can stably adsorb on switch base 200's terminal surface, and second mounting groove 323 is equipped with a plurality ofly and sets up along the circumference equipartition interval of second boss 322, makes second magnet 325 be provided with a plurality ofly, further guarantees that second magnet 325 can stably adsorb on switch body 100's terminal surface.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. A drawable VD4 switch comprises a switch body and a switch base, wherein a first contact pin is arranged on the switch body, a first binding post matched with the first contact pin is arranged on the switch base, the end face of the switch body provided with the first contact pin and the end face of the switch base provided with the first binding post are both metal end faces, the drawable VD4 switch is characterized by also comprising an auxiliary extension device, the auxiliary extension device comprises a first disc provided with a second contact pin, a second disc provided with a second binding post and a lead electrically connected with the first disc and the second disc, an insulating corrugated pipe is sleeved on the lead, a first boss is formed by the surrounding bulge of the second contact pin, a first mounting groove is arranged on the first boss, a first magnet is connected in the first mounting groove in a sliding manner, a second boss is formed by the surrounding bulge of the second binding post, a second mounting groove is arranged on the second boss, a second magnet is connected in the second mounting groove in a sliding mode, the first magnet and the second magnet are arranged in a corresponding mode, when the auxiliary extension device is in a use state, the second contact pin is matched with the first binding post, the second binding post is matched with the first contact pin to achieve electric connection between the switch body and the switch base, the first magnet is adsorbed on the end face of the switch base, and the second magnet is adsorbed on the end face of the switch body; when supplementary extension fixture was in the state of accomodating, the second contact pin realized being connected of first disc and second disc with the cooperation of second terminal, and first magnet adsorbs each other with the second magnet.

2. The withdrawable VD4 switch according to claim 1, wherein when the second pin is engaged with the second terminal, an end surface of the first boss abuts against an end surface of the second boss.

3. The withdrawable VD4 switch according to claim 2, wherein the length of the second pin when being matched with the second binding post is L, and the heights of the first boss and the second boss are both L/2.

4. The withdrawable VD4 switch according to claim 1, wherein a first sliding block is disposed in the first mounting groove, a first magnet is mounted at an end of the first sliding block near a notch of the first mounting groove, a vertically disposed first sliding groove is disposed on an inner wall of the first mounting groove, a first guide strip engaged with the first sliding groove is disposed on a side wall of the first sliding block, and the first guide strip moves in the first sliding groove to realize that the first sliding block moves toward or away from the switch base.

5. The withdrawable VD4 switch according to claim 1, wherein a second slider is disposed in the second mounting groove, a second magnet is mounted at an end of the second slider near a notch of the second mounting groove, a vertically disposed second sliding groove is disposed on an inner wall of the second mounting groove, a second guide strip engaged with the second sliding groove is disposed on a side wall of the second slider, and the second guide strip moves in the second sliding groove to realize the movement of the second slider toward or away from the switch body.

6. The withdrawable VD4 switch according to claim 1, wherein, the first mounting grooves are provided with a plurality of grooves and are arranged at intervals along the circumferential direction of the first boss, and the second mounting grooves are provided with a plurality of grooves and are arranged at intervals along the circumferential direction of the second boss.