CN210325624U

CN210325624U - Novel vacuum contactor isolating switch

Info

Publication number: CN210325624U
Application number: CN201921905372.3U
Authority: CN
Inventors: 顾亚飞
Original assignee: Wuxi Zhilian Electronic Co Ltd
Current assignee: Wuxi Zhilian Electronic Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-04-14
Anticipated expiration: 2029-11-07

Abstract

The utility model belongs to the field of isolating switches, in particular to a novel vacuum contactor isolating switch, which aims at the problem that when the existing vacuum contactor isolating switch has a fault, maintenance personnel is often required to detach the shell of the vacuum contactor isolating switch for inspection and maintenance, a plurality of screws are required to be twisted when the shell is detached, and the shell is required to be reinstalled after the inspection is finished, so that the operation is too complicated and the maintenance is inconvenient for people, the following proposal is provided, which comprises an isolating switch main body, a fixed column is fixedly connected in the isolating switch main body, one side of the isolating switch main body is provided with an inspection hole, one side of the isolating switch main body is clamped with a sealing plate, one side of the sealing plate is provided with a sealing groove, the utility model has reasonable structure and simple operation, and the sealing plate can be detached through two steps of sliding a limiting rod and pushing the fixed plate, convenient and fast has improved maintenance efficiency, has stronger practicality.

Description

Novel vacuum contactor isolating switch

Technical Field

The utility model relates to an isolator technical field especially relates to a novel vacuum contactor isolator.

Background

The isolating switch is an electrical appliance which is used most in high-voltage switching electrical appliances, and has the advantages that the operating principle and the structure of the isolating switch are simple, but the isolating switch has large using amount and high requirement on working reliability, influences on design, establishment and safe operation of a substation and a power plant are large, and the disconnecting switch is mainly characterized by having no arc extinguishing capability and only being capable of switching on and off the circuit under the condition of no load current.

But when current vacuum contactor isolator broke down, often needed the maintenance personal to pull down vacuum contactor isolator's shell and inspect the maintenance, and need twist a plurality of screws when tearing its shell open, need install the shell again after the inspection finishes simultaneously, the operation is too loaded down with trivial details, people of being not convenient for maintain, so we propose a novel vacuum contactor isolator for solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having current vacuum contactor isolator when breaking down among the prior art, often need the maintenance personal to pull down vacuum contactor isolator's shell and inspect the maintenance, and need twist a plurality of screws when tearing its shell open, need install the shell again after finishing examining simultaneously, the operation is too loaded down with trivial details, the people of being not convenient for carry out the shortcoming of maintaining, and the novel vacuum contactor isolator who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel vacuum contactor isolating switch comprises an isolating switch main body, wherein a fixed column is fixedly connected in the isolating switch main body, an access hole is formed in one side of the isolating switch main body, a sealing plate is clamped on one side of the isolating switch main body, a sealing groove is formed in one side of the sealing plate, ball screws are rotatably connected on the inner wall of the top part and the inner wall of the bottom part of the sealing groove, screw nuts are respectively and fixedly connected to the two ball screws in a threaded manner, two push rods are symmetrically and fixedly connected to the mutually far side of the two screw nuts, the mutually far ends of the four push rods respectively penetrate through the inner wall of the top part and the inner wall of the bottom part of the sealing groove and respectively extend to the top part and the bottom part of the sealing plate, a fixed plate is fixedly connected to the mutually far ends of the two groups of push rods, the equal fixed cover of the other end of two pivots is equipped with the gear, all has meshed the rack on two gears, the one end of fixed column extends to in the seal groove, the draw-in groove has all been seted up to the both sides of fixed column, and the equal fixedly connected with bayonet lock in one side that two racks are close to each other, and the one end that two bayonet locks are close to each other extends to respectively in two draw-in grooves and clamps with two bayonet grooves respectively mutually, just can break away from clamping of draw-in groove with two steps of promotion fixed plate through the gag lever post that slides, and then can take off the closing plate, convenient and fast has improved maintenance efficiency, has solved the not enough that exists among the prior art.

Preferably, all fixed the cover is equipped with the bevel gear in ball's the one end and the pivot, and two bevel gears mesh mutually, a plurality of through-holes have been seted up to the opposite side of isolator main part, all are equipped with the filter screen in a plurality of through-holes, set up the bevel gear, can provide power for the pivot, and the through-hole can be scattered the heat in the isolator main part, and the filter screen can prevent that external dust from getting into the isolator main part in, has protected internal element.

Preferably, one side of each of the two fixing plates, which is far away from each other, is connected with a limiting rod in a sliding manner, two limiting grooves are symmetrically formed in one side of the isolating switch main body, the limiting rods are clamped with the limiting grooves, the limiting rods can be separated from the clamping of the limiting grooves through the sliding limiting rods, and the fixing plates can be moved conveniently.

Preferably, equal fixedly connected with fixing base on the top inner wall of seal groove and the bottom inner wall, the fixed slot has all been seted up to one side that two fixing bases are close to each other, and equal sliding connection has the sliding plate in two fixed slots, and one side that two racks kept away from each other extends to two fixed slots respectively and one side fixed connection that is close to each other with two sliding plates respectively, sets up fixed slot and sliding plate, can make the rack can steady movement, can not take place the skew.

Preferably, the equal fixedly connected with spring in one side that two sliding plates kept away from each other, the one end that two springs kept away from each other respectively with the one side inner wall fixed connection that two fixed slots kept away from each other set up the spring, can provide reset power for the rack.

The utility model discloses in, a novel vacuum contactor isolator, owing to set up the fixed plate, can make screw nut remove through promoting the fixed plate, screw nut can make ball rotate, ball can make the pivot rotate, the pivot can drive the rack through the gear and remove, and then two racks can make two bayonet locks break away from clamping of draw-in groove, just so can take off the closing plate, overhaul the component in the isolator main part through the access hole, convenient and fast has improved maintenance efficiency.

Due to the arrangement of the through holes and the filter screen, heat in the isolating switch main body can be dissipated through the through holes, and external dust can be prevented from entering the isolating switch main body through the filter screen, so that internal elements are protected.

The utility model discloses rational in infrastructure, easy operation just can take off the closing plate through two steps of slip gag lever post and promotion fixed plate, and convenient and fast has improved maintenance efficiency, has stronger practicality.

Drawings

Fig. 1 is a schematic main sectional structural view of a novel vacuum contactor isolation switch provided by the present invention;

fig. 2 is a schematic view of a gear and rack meshing structure of a novel vacuum contactor isolation switch provided by the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a of a novel vacuum contactor isolation switch provided by the present invention.

In the figure: the device comprises an isolating switch main body 1, a fixing column 2, a sealing plate 3, a sealing groove 4, a ball screw 5, a screw nut 6, a push rod 7, a fixing plate 8, a rotating shaft 9, a gear 10, a rack 11, a bayonet 12, a bevel gear 13, a limiting rod 14, a fixing seat 15, a fixing groove 16, a sliding plate 17, a spring 18 and a filter screen 19.

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.

Example one

Referring to fig. 1-3, a novel vacuum contactor isolating switch comprises an isolating switch main body 1, a fixed column 2 is fixedly connected in the isolating switch main body 1, an access hole is formed in one side of the isolating switch main body 1, a sealing plate 3 is clamped on one side of the isolating switch main body 1, a sealing groove 4 is formed in one side of the sealing plate 3, ball screws 5 are rotatably connected to the top inner wall and the bottom inner wall of the sealing groove 4, screw nuts 6 are threadedly connected to the two ball screws 5, two push rods 7 are symmetrically and fixedly connected to the side, away from each other, of the two screw nuts 6, one ends, away from each other, of the four push rods 7 respectively penetrate through the top inner wall and the bottom inner wall of the sealing groove 4 and respectively extend to the top and the bottom of the sealing plate 3, a fixed plate 8 is fixedly connected to the end, away from each other, one end of each of two rotating shafts 9 is rotatably connected with the inner wall of one side of the sealing groove 4, the other end of each of the two rotating shafts 9 is fixedly sleeved with a gear 10, racks 11 are meshed with the gears 10, one end of each of the fixed columns 2 extends into the sealing groove 4, clamping grooves are formed in two sides of each of the fixed columns 2, clamping pins 12 are fixedly connected to the sides, close to each other, of the two racks 11, the ends, close to each other, of the two clamping pins 12 respectively extend into the two clamping grooves and are respectively clamped with the two clamping grooves, the two clamping pins 12 can be separated from the clamping grooves through two steps of sliding the limiting rod 14 and pushing the fixing plate 8, the sealing plate 3 can be taken down, the maintenance efficiency is improved, the defects in the prior art are overcome, due to the arrangement of the fixing plate 8, the lead screw nut 6 can be moved by pushing the fixing plate 8, and the lead screw nut 6, ball 5 can make pivot 9 rotate, and pivot 9 can drive rack 11 through gear 10 and remove, and then two rack 11 can make two bayonet locks 12 break away from clamping of draw-in groove, just so can take off closing plate 3, overhaul the component in isolator main part 1 through the access hole, convenient and fast has improved maintenance efficiency, owing to set up through-hole and filter screen 19, the through-hole can be to the heat effluvium in isolator main part 1, filter screen 19 can prevent that external dust from getting into in isolator main part 1, protected internal element, the utility model discloses rational in infrastructure, easy operation just can take off closing plate 3 through two steps of slip gag lever post 14 and promotion fixed plate 8, convenient and fast has improved maintenance efficiency, has stronger practicality.

Example two

The utility model discloses in, all fixed the cover is equipped with bevel gear 13 on ball 5's one end and the pivot 9, and two bevel gears 13 mesh mutually, and a plurality of through-holes have been seted up to isolator main part 1's opposite side, all are equipped with filter screen 19 in a plurality of through-holes, set up bevel gear 13, can provide power for pivot 9, and the through-hole can be to the heat effluvium in isolator main part 1, and filter screen 19 can prevent that external dust from getting into isolator main part 1 in, has protected internal component.

The utility model discloses in, two equal sliding connection in one side that 8 fixed plates kept away from each other have gag lever post 14, and two spacing grooves have been seted up to isolator main part 1's a side symmetry, and gag lever post 14 clamps with the spacing groove mutually, through slip gag lever post 14, makes clamping that gag lever post 14 can break away from the spacing groove, makes things convenient for fixed plate 8 to remove.

The utility model discloses in, equal fixedly connected with fixing base 15 on the top inner wall of seal groove 4 and the bottom inner wall, fixed slot 16 has all been seted up to one side that two fixing bases 15 are close to each other, equal sliding connection has sliding plate 17 in two fixed slots 16, one side that two racks 11 kept away from each other extends to two fixed slots 16 respectively and one side fixed connection that is close to each other with two sliding plates 17 respectively, sets up fixed slot 16 and sliding plate 17, can make rack 11 can steady movement, can not take place the offset.

The utility model discloses in, the equal fixedly connected with spring 18 in one side that two sliding plates 17 kept away from each other, one end that two springs 18 kept away from each other respectively with the one side inner wall fixed connection that two fixed slots 16 kept away from each other, set up spring 18, can provide the power that resets for rack 11.

In the utility model, when the isolating switch main body 1 is broken down and needs to be overhauled, firstly, the two limiting rods 14 are slid to make the two limiting rods 14 respectively separate from the clamping of the two clamping grooves, then the two fixing plates 8 are respectively pushed, the two fixing plates 8 can drive the lead screw nut 6 to move towards the mutually approaching direction through the push rod 7, because the lead screw nut 6 is in threaded connection with the ball screw 5, the ball screw 5 can be rotated by the movement of the lead screw nut 6, the ball screw 5 can drive the rotating shaft 9 to rotate through the bevel gear 13, the rotating shaft 9 can drive the gear 10 to rotate, the gear 10 can drive the rack 11 to move, the two racks 11 can drive the two clamping pins 12 to move towards the mutually departing direction, and further can make the two clamping pins 12 separate from the clamping grooves, thus the sealing plate 3 can be taken down, elements in the isolating switch main body 1 can be overhauled through, only need slide gag lever post 14 and promote two steps of fixed plate 8 and just can take off closing plate 3, convenient and fast has improved maintenance efficiency, sets up the through-hole simultaneously and can dispel the heat in the isolator main part 1, and filter screen 19 can prevent that external dust from getting into isolator main part 1 in, has protected internal component.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel vacuum contactor isolating switch comprises an isolating switch main body (1) and is characterized in that a fixed column (2) is fixedly connected in the isolating switch main body (1), an access hole is formed in one side of the isolating switch main body (1), a sealing plate (3) is clamped on one side of the isolating switch main body (1), a sealing groove (4) is formed in one side of the sealing plate (3), ball screws (5) are rotatably connected to the inner wall of the top and the inner wall of the bottom of the sealing groove (4), screw nuts (6) are in threaded connection to the two ball screws (5), two push rods (7) are symmetrically and fixedly connected to one side, away from each other, of the two screw nuts (6), one ends, away from each other, of the four push rods (7) penetrate through the inner wall of the top and the inner wall of the bottom of the sealing groove (4) respectively and extend to the top and, the equal fixedly connected with fixed plate (8) of one end of keeping away from each other of two sets of push rods (7), equal transmission is connected with pivot (9) on two ball (5), and the one end of two pivot (9) all rotates with one side inner wall of seal groove (4) to be connected, and the equal fixed cover in the other end of two pivot (9) is equipped with gear (10), all has meshed rack (11) on two gear (10), the one end of fixed column (2) extends to in seal groove (4), the draw-in groove has all been seted up to the both sides of fixed column (2), and the equal fixedly connected with bayonet lock (12) in one side that two rack (11) are close to each other, and the one end that two bayonet lock (12) are close to each other extends to in two draw-in grooves respectively and.

2. The novel vacuum contactor isolating switch according to claim 1, wherein a bevel gear (13) is fixedly sleeved on one end of the ball screw (5) and the rotating shaft (9), the two bevel gears (13) are meshed with each other, a plurality of through holes are formed in the other side of the isolating switch main body (1), and a filter screen (19) is arranged in each through hole.

3. The novel vacuum contactor isolating switch as claimed in claim 1, wherein a limiting rod (14) is slidably connected to each of the sides of the two fixing plates (8) away from each other, two limiting grooves are symmetrically formed in one side of the isolating switch body (1), and the limiting rod (14) is clamped with the limiting grooves.

4. The novel vacuum contactor isolating switch according to claim 1, wherein the top inner wall and the bottom inner wall of the sealing groove (4) are both fixedly connected with fixing seats (15), one side of each of the two fixing seats (15) close to each other is provided with a fixing groove (16), each of the two fixing grooves (16) is slidably connected with a sliding plate (17), and one side of each of the two racks (11) far away from each other extends to the two fixing grooves (16) and is fixedly connected with one side of each of the two sliding plates (17) close to each other.

5. A novel vacuum contactor isolating switch as claimed in claim 4, characterized in that the side of the two sliding plates (17) away from each other is fixedly connected with a spring (18), and the end of the two springs (18) away from each other is fixedly connected with the inner wall of the side of the two fixing grooves (16) away from each other.