CN209133404U - A kind of high pressure separation plug-in strip with arc extinguishing structure - Google Patents

Abstract

The utility model discloses a kind of, and the high pressure with arc extinguishing structure separates plug-in strip, including ceramic base and nerd pack, one end of connecting stud on ceramic base, plastic nut is socketed on nerd pack, the other end of stud connects plastic nut by helicitic texture, mounting groove is provided in nerd pack, fixinig plate and connection sheet are installed on ceramic base at mounting groove, one end of blade is connected on fixinig plate, connection sheet is clamped in the middle part of blade, the other end connection insulation handle of blade, arc-chutes are provided in fixinig plate and the nerd pack of connection sheet two sides, arc-chutes side wall is socketed striking needle, one end of striking needle is protruded into arc-chutes, arc-extinguishing mechanism is equipped in arc-chutes.Blade and fixinig plate and connection sheet junction are fully located in mounting groove, the electric arc for avoiding blade and fixinig plate and connection sheet contact position from generating splashes, and electric arc is transferred to arc-chutes by the attraction of striking needle, and electric arc is cooled down and is extinguished by arc-extinguishing mechanism, to achieve the purpose that arc protection.

Description

A kind of high pressure separation plug-in strip with arc extinguishing structure

Technical field

The utility model relates to technical field of electrical components, specially a kind of high pressure with arc extinguishing structure separates plug-in strip.

Background technique

Knife-like switch also known as plug-in strip, usually installation separates plug-in strip in high-tension circuit, is convenient for wiring and line maintenance, and plug-in strip exists Blade all can be separated or be contacted with the static contact connection sheet on pedestal when disconnecting and being closed, in its connection of the moment for separating and contacting Area is small, and junction can generate electric arc, and the temperature of electric arc is very high, and the nerd pack of plug-in strip can be caused to melt and even ignited, and Electric arc, which splashes, constitutes dangerous fire source, and there are larger security risks, thus it is proposed that a kind of high pressure with arc extinguishing structure point From plug-in strip for solving the above problems.

Utility model content

The purpose of this utility model is to provide a kind of, and the high pressure with arc extinguishing structure separates plug-in strip, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of high pressure separation with arc extinguishing structure Plug-in strip, including ceramic base and nerd pack are fixedly connected with one end of stud on the ceramic base, turn on the nerd pack The other end of dynamic socket plastic nut, the stud connects plastic nut, the modeling through nerd pack and by helicitic texture It is provided with mounting groove in material shield, fixinig plate and connection sheet, the fixation are fixedly installed on the ceramic base at the mounting groove On piece is rotatablely connected one end of blade, and sliding clamping connection sheet, the other end of the blade are fixedly connected absolutely in the middle part of the blade Arc-chutes are provided in the nerd pack of edge handle, the fixinig plate and connection sheet two sides, the arc-chutes are close to fixinig plate and company Contact pin side is fixedly attached striking needle, and one end of the striking needle is protruded into arc-chutes, and arc-extinguishing mechanism is equipped in the arc-chutes.

Preferably, the fixinig plate, connection sheet and between blade be electrically connected, the connection sheet is elastic u-shaped structure.

Preferably, the striking needle is close to fixinig plate, one end pyramidal structure of connection sheet.

Preferably, the arc-extinguishing mechanism includes spray point, the striking needle be located at the indoor one end of arc extinguishing be fixedly connected it is more One layer of ambroin particle is fixedly mounted in root spray point, the arc extinguishing chamber interior walls, and the ambroin particle is porous spherical knot Structure.

Preferably, the spray point is along striking needle end face at hemispherical distribution, and spray point diameter is less than striking needle diameter.

Preferably, admission extinguisher is fixedly mounted in the arc-chutes, sodium bicarbonate particle is filled in the admission extinguisher, it is described Admission extinguisher is fixedly attached conductive pin close to the two sides of spray point, and the admission extinguisher is fixedly attached tracheae close to the side of mounting groove The other end of one end, the tracheae protrudes into mounting groove.

Preferably, described admission extinguisher one end at the top of arc-chutes and passes through helicitic texture connection end cap, the admission extinguisher It covers and filter screen is installed at trachea, the tracheae is horn-like structure close to one end of mounting groove.

Compared with prior art, the utility model has the beneficial effects that blade and fixinig plate and connection sheet junction are complete In mounting groove, the electric arc for avoiding blade and fixinig plate and connection sheet contact position from generating splashes；Arc extinguishing chamber interior walls pass through surface Spheroidising forms one layer of ambroin particle, and ambroin particle is porous spherical structure, can adsorb the gold in electric arc Belong to ion, and under high arc temperature effect local sintering occurs for ambroin particle, so that arc temperature be made to reduce, reaches physics Blow-out purpose, while a part of electric arc is transferred in sodium bicarbonate particle by conductive pin, sodium bicarbonate particle is in high arc temperature Under decompose and generate carbon dioxide, further absorb electric arc heat, achieve the purpose that chemical blow-out, and carbon dioxide passes through gas Pipe is distributed in mounting groove 5, reduces oxygen content, is avoided nerd pack by arc ignition, is improved plug-in strip safety coefficient.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is top view cross section structural schematic diagram at the utility model nerd pack；

Fig. 3 is left view the schematic diagram of the section structure at the utility model arc-chutes.

In figure: 1 ceramic base, 2 nerd packs, 3 studs, 4 plastic nuts, 5 mounting grooves, 6 fixinig plates, 7 connection sheets, 8 knives Piece, 9 arc-extinguishing mechanisms, 91 spray points, 92 conductive pins, 93 admission extinguishers, 94 sodium bicarbonate particles, 95 tracheaes, 96 ambroin particles, 10 insulation handles, 11 arc-chutes, 12 striking needles, 13 filter screens, 14 end caps.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of high pressure separation lock with arc extinguishing structure Knife, including ceramic base 1 and nerd pack 2 are fixedly connected with one end of stud 3, turning set on nerd pack 2 on ceramic base 1 Connect plastic nut 4, the other end of stud 3 is through nerd pack 2 and by helicitic texture connection plastic nut 4, in nerd pack 2 It is provided with mounting groove 5, fixinig plate 6 and connection sheet 7, the company of rotation on fixinig plate 6 are fixedly installed on the ceramic base 1 at mounting groove 5 Connect one end of blade 8, sliding clamping connection sheet 7 in the middle part of blade 8, fixinig plate 6, connection sheet 7 and between blade 8 be electrically connected, connection Piece 7 is elastic u-shaped structure, and convenient for clamping blade 8, the other end of blade 8 is fixedly connected with insulation handle 10, fixinig plate 6 and connection Arc-chutes 11 are provided in the nerd pack 2 of 7 two sides of piece, arc-chutes 11 are fixedly attached striking close to fixinig plate 6 and 7 side of connection sheet Needle 12, one end of striking needle 12 are protruded into arc-chutes 11, and arc-extinguishing mechanism 9 is equipped in arc-chutes 11.5 outer wall of mounting groove is only stayed for knife The sliding slot that piece 8 slides so that blade 8 and fixinig plate 6 and 7 junction of connection sheet are fully located in mounting groove 5, avoid blade 8 with The electric arc that fixinig plate 6 and 7 contact position of connection sheet generate splashes, and electric arc is transferred to arc-chutes 11 by the attraction of striking needle 12, goes out Arc-extinguishing mechanism 9 in arc chamber 11 by electric arc fast cooling and extinguishes, to achieve the purpose that arc protection.

Striking needle 12 makes 12 tapered end of striking needle assemble charge close to fixinig plate 6, one end pyramidal structure of connection sheet 7, from And quickly attract electric arc.

Arc-extinguishing mechanism 9 includes spray point 91, and one end that striking needle 12 is located in arc-chutes 11 is fixedly connected with more spray points 91, one layer of ambroin particle 96 is fixedly mounted in 11 inner wall of arc-chutes, and admission extinguisher 93, admission extinguisher 93 is fixedly mounted in arc-chutes 11 Interior to be filled with sodium bicarbonate particle 94, admission extinguisher 93 is fixedly attached conductive pin 92 close to the two sides of spray point 91, and admission extinguisher 93 leans on The side of nearly mounting groove 5 is fixedly attached one end of tracheae 95, and the other end of tracheae 95 protrudes into mounting groove 5.Electric arc is by striking needle It is transferred at spray point 91 after 12 attractions, 91 diameter of spray point is less than 12 diameter of striking needle, then electric arc is formed by spray point 91 Point discharge, and spray point 91 along 12 end face of striking needle at hemispherical distribution so that electric arc is uniformly released, and in arc-chutes 11 Wall forms one layer of ambroin particle 96 by surface spheroidising, and electric arc releases contact ambroin particle by spray point 91 96, ambroin particle 96 is porous spherical structure, can adsorb metal ion (formation a part original of electric arc in electric arc Because being because ion stream, adsorbing metal ions can also play arc quenching effect caused by the metal volatilization on electric conductor surface, separately If outer temperature is excessively high, under high arc temperature effect local sintering can also occur for ambroin particle 96, to make arc temperature Reduce, reach physics blow-out purpose) simultaneously, a part of electric arc is transferred in sodium bicarbonate particle 94 by conductive pin 92, carbonic acid Hydrogen sodium particle 94, which starts gradually to decompose, generates carbon dioxide, and usually temperature is low, and sodium bicarbonate particle 94 does not decompose, and generates electric arc When, sodium bicarbonate particle 94 decomposes under high arc temperature and generates carbon dioxide, further absorbs electric arc heat, reaches chemistry The purpose of blow-out, and carbon dioxide is distributed in mounting groove 5 by tracheae 95, is reduced oxygen content, is avoided nerd pack 2 electric Arc ignites.

93 one end of admission extinguisher is through 11 top of arc-chutes and by helicitic texture connection end cap 14, convenient for into admission extinguisher 93 Sodium bicarbonate particle 94 is filled, filter screen 13 is installed at 93 sets of tracheas 95 of admission extinguisher, avoids sodium bicarbonate particle 94 by dioxy Change carbon ribbon to enter in mounting groove 5, tracheae 95 is horn-like structure close to one end of mounting groove 5, is rapidly spread widely convenient for carbon dioxide In mounting groove 5.

Working principle: when the utility model is used, blade 8 and fixinig plate 6 and 7 junction of connection sheet are fully located at mounting groove In 5, the electric arc for avoiding blade 8 and fixinig plate 6 and 7 contact position of connection sheet from generating splashes, and electric arc attracts biography by striking needle 12 Arc-chutes 11 are handed to, electric arc is transferred at spray point 91 after being attracted by striking needle 12, and it is straight that 91 diameter of spray point is less than striking needle 12 Diameter, then electric arc by spray point 91 formed point discharge, and spray point 91 along 12 end face of striking needle at hemispherical distribution so that electric Arc is uniformly released, and 11 inner wall of arc-chutes forms one layer of ambroin particle 96 by surface spheroidising, and electric arc is by putting Acusector 91 releases contact ambroin particle 96, and ambroin particle 96 is porous spherical structure, can adsorb in electric arc Metal ion reaches physics blow-out purpose, while a part of electric arc is transferred in sodium bicarbonate particle 94 by conductive pin 92, carbon Sour hydrogen sodium particle 94 is decomposed under high arc temperature generates carbon dioxide, further absorbs electric arc heat, reaches chemical blow-out Purpose, and carbon dioxide is distributed in mounting groove 5 by tracheae 95, reduces oxygen content, nerd pack 2 is avoided to be drawn by electric arc Combustion improves plug-in strip safety coefficient.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of high pressure with arc extinguishing structure separates plug-in strip, including ceramic base (1) and nerd pack (2), it is characterised in that: One end of stud (3) is fixedly connected on the ceramic base (1), rotation is socketed plastic nut (4) on the nerd pack (2), The other end of the stud (3) connects plastic nut (4) through nerd pack (2) and by helicitic texture, the nerd pack (2) it is provided with mounting groove (5) in, is fixedly installed with fixinig plate (6) and connection sheet on the ceramic base (1) at the mounting groove (5) (7), the one end of blade (8), sliding clamping connection sheet (7) in the middle part of the blade (8), institute are rotatablely connected on the fixinig plate (6) The other end for stating blade (8) is fixedly connected with insulation handle (10), the nerd pack of the fixinig plate (6) and connection sheet (7) two sides (2) it is provided with arc-chutes (11) in, the arc-chutes (11) are fixedly attached striking needle close to fixinig plate (6) and connection sheet (7) side (12), one end of the striking needle (12) is protruded into arc-chutes (11), is equipped with arc-extinguishing mechanism (9) in the arc-chutes (11).

2. a kind of high pressure with arc extinguishing structure according to claim 1 separates plug-in strip, it is characterised in that: the fixinig plate (6), to be electrically connected between connection sheet (7) and blade (8), the connection sheet (7) is elastic u-shaped structure.

3. a kind of high pressure with arc extinguishing structure according to claim 1 separates plug-in strip, it is characterised in that: the striking needle (12) one end close to fixinig plate (6), connection sheet (7) is pyramidal structure.

4. a kind of high pressure with arc extinguishing structure according to claim 1 separates plug-in strip, it is characterised in that: the arc extinguishing machine Structure (9) includes spray point (91), and the striking needle (12) is located at one end in arc-chutes (11) and is fixedly connected with more spray points (91), one layer of ambroin particle (96) is fixedly mounted in arc-chutes (11) inner wall, and the ambroin particle (96) is more Hole chondritic.

5. a kind of high pressure with arc extinguishing structure according to claim 4 separates plug-in strip, it is characterised in that: the spray point (91) along striking needle (12) end face at hemispherical distribution, and spray point (91) diameter is less than striking needle (12) diameter.

6. a kind of high pressure with arc extinguishing structure according to claim 4 separates plug-in strip, it is characterised in that: the arc-chutes (11) admission extinguisher (93) are fixedly mounted in, are filled with sodium bicarbonate particle (94) in the admission extinguisher (93), the admission extinguisher (93) two sides close to spray point (91) are fixedly attached conductive pin (92), side of the admission extinguisher (93) close to mounting groove (5) It is fixedly attached one end of tracheae (95), the other end of the tracheae (95) protrudes into mounting groove (5).

7. a kind of high pressure with arc extinguishing structure according to claim 6 separates plug-in strip, it is characterised in that: the admission extinguisher (93) at the top of arc-chutes (11) and by helicitic texture connection end cap (14), the admission extinguisher (93) covers trachea for one end (95) filter screen (13) are installed at, the tracheae (95) is horn-like structure close to the one end of mounting groove (5).