CN202178217U

CN202178217U - AC contactor

Info

Publication number: CN202178217U
Application number: CN2011202760701U
Authority: CN
Inventors: 朱建新
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-24
Filing date: 2011-07-24
Publication date: 2012-03-28
Anticipated expiration: 2021-07-24

Abstract

Disclosed is an AC contactor, comprising a contactor main body and an arc extinguishing cover assembly connected with the contactor main body, wherein the contactor main body comprises a housing, a static iron core assembly arranged at the lower portion of the housing, a coil assembly sleeved upon the surface of the static iron core assembly, and a moving iron core assembly arranged at the upper portion of the housing and corresponding to the static iron core assembly, wherein the moving iron core assembly is fixedly connected with a moving contact assembly; the housing is fixedly provided with a static contact assembly corresponding to the moving contact assembly, and the moving contact of the moving contact assembly and the static contact of the static contact assembly are disposed in a tilting manner relative to the bottom of the contactor body. The moving and static contacts of the utility model are disposed in a tilting manner and the arc extinguishing metal gate sheets upon the arc extinguishing cover are distributed in a step-like manner, thereby capable of making the crosswise distance be distributed to the height direction and reducing the volume of the contactor. The coil assembly of the utility model adopts a pull-out type design, thereby allowing free pulling-out and replacement.

Description

A.C. contactor

Technical field

The utility model relates to a kind of A.C. contactor.

Background technology

A.C. contactor be suitable for alternating current motor Fraquent start, stop, switching-over and plug braking, be widely used in railway locomotive, the electric car.But the A.C. contactor that uses at present has following shortcoming: 1) general volume is bigger, takes up room; 2) existing ac contactor coil replacement of component is loaded down with trivial details especially, but in use, much all is that coil block damages earlier; Therefore need a kind of volume little, more emat coil contactor easily.

Summary of the invention

The utility model purpose is: a kind of A.C. contactor is provided, and it is waiting under the voltage conditions, and volume is littler, and is simple in structure.

The technical scheme of the utility model is: a kind of A.C. contactor; Comprise contactor main body and the arc-extinguish chamber assembly that is connected with said contactor main body; Said contactor main body comprises housing, is placed in the static iron core assembly of lower housing portion, is sheathed on the outer coil block of static iron core assembly and is installed on housing top and the moving core assembly corresponding with the static iron core assembly; Be fixedly connected with moving contact component on the said moving core assembly; Be installed with the fixed contact assembly corresponding with said moving contact component on the said housing, the fixed contact of the moving contact of moving contact component and fixed contact assembly is obliquely installed with respect to the bottom surface of contactor main body.

Further; In above-mentioned A.C. contactor; Said arc-extinguish chamber assembly comprises the cover body that covers at said contactor main body top and is located at the arc control device in the said cover body; Said arc control device become the number of metal grid sheet of stepped distribution to constitute by the bottom surface with respect to said contactor main body, and the opening of said moving contact and fixed contact is provided with towards the metal gate sheet of said stepped distribution.

Further; In above-mentioned A.C. contactor; Said contactor bottom part body is provided with and can be parallel to the drawing and pulling type coil bracket that slides in the bottom surface; Said static iron core assembly is fixed on the said drawing and pulling type coil bracket, and said coil block is movably set on the said static iron core assembly, and said housing is provided with the grab that fixes with said drawing and pulling type coil bracket.

Further, in above-mentioned A.C. contactor, be folded with sheet rubber between said static iron core assembly bottom and the coil bracket, said static iron core assembly presses solidly on said coil bracket through Anchor plate kit.

The utility model has the advantages that:

1. the dynamic/static contact of the utility model is that tilting distributes, and the arc extinguishing metal gate sheet on the arc-extinguish chamber is that staged distributes, can be with transversely range distribution to short transverse, and it is littler to make that the volume of contactor can be done.

2. the utility model coil block designs for drawing and pulling type, is free to take out change.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model specific embodiment;

Fig. 2 is the structural representation of the utility model specific embodiment arc-extinguish chamber assembly;

But Fig. 3 is the structural representation of the utility model specific embodiment pull part.

Wherein: 1 contactor main body; 11 housings; 111 grabs; 12 static iron core assemblies; 13 coil blocks; 14 moving core assemblies; 15 moving contact components; 151 moving contacts; 16 fixed contact assemblies; 161 fixed contacts; 17 drawing and pulling type coil brackets; 18 sheet rubbers; 19 Anchor plate kits; 2 arc-extinguish chamber assemblies; 21 cover bodies; 22 metal gate sheets; The a bottom surface.

Embodiment

Embodiment: as shown in Figure 1; A kind of A.C. contactor; Comprise contactor main body 1 and the arc-extinguish chamber assembly 2 that is connected with said contactor main body 1; Said contactor main body 1 comprises housing 11, be placed in the static iron core assembly 12 of housing 11 bottoms, be sheathed on the outer coil block 13 of static iron core assembly 12 and be installed on housing 11 tops and the moving core assembly 14 corresponding with static iron core assembly 12; Be fixedly connected with moving contact component 15 on the said moving core assembly 14; Be installed with the fixed contact assembly 16 corresponding with said moving contact component 15 on the said housing 11, the moving contact 151 of moving contact component 15 and the fixed contact 161 of fixed contact assembly 16 are obliquely installed with respect to the bottom surface a of contactor main body 1.

As shown in Figure 2; Said arc-extinguish chamber assembly 2 comprises the cover body 21 that covers at said contactor main body 1 top and is located at the arc control device in the said cover body 21 that said arc control device become the number of metal grid sheet 22 of stepped distribution to constitute by the bottom surface a with respect to said contactor main body 1.A plurality of metal gate sheets 22 of stepped distribution form arc control device at the opening part of dynamic/static contact; Saved the space greatly; Arc control device can be done together with cover body 21 unites two into one, and do not need the extra arc control device that are provided with, further dwindled the volume of contactor.

Said moving contact 151 is provided with towards the metal gate sheet 22 of said stepped distribution with the opening of fixed contact 161.Because the opening direction of dynamic/static contact faces arc extinguishing grid pieces, electric arc stretches out along the opening direction of dynamic/static contact and gets into arc control device then and interrupted by arc extinguishing grid pieces when dynamic/static contact breaks off.

As shown in Figure 3; Said contactor main body 1 bottom is provided with and can be parallel to the drawing and pulling type coil bracket 17 that bottom surface a slides; Said static iron core assembly 12 is fixed on the said drawing and pulling type coil bracket 17; Said coil block 13 is movably set on the said static iron core assembly 12, and said housing 11 is provided with the grab 111 that fixes with said drawing and pulling type coil bracket 17.Static iron core assembly 12 all is installed on the said drawing and pulling type coil bracket 17 with coil block 13; When needs are changed coil block 13; Only need drawing and pulling type coil 17 be extracted out from main body 1 lower horizontal; With being movably set in damage coil block 13 taking-ups on the static iron core assembly 12 and changing the new coil assembly, again drawing and pulling type coil 17 to be inserted main bodys 1 bottoms and also get final product through grab 111 fixings, operating process is very convenient.

Be folded with sheet rubber 18 between said static iron core assembly 12 bottoms and the coil bracket 17; Said static iron core assembly 12 presses solidly on said coil bracket 17 through Anchor plate kit 19.Make said static iron core assembly 12 more firmly be fixed on the said coil bracket 17 through such mode shockproofly.

Below only be the concrete exemplary applications of the utility model, the protection range of the utility model is not constituted any limitation.Except that the foregoing description, the utility model can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.

Claims

1. A.C. contactor; Comprise contactor main body (1) and the arc-extinguish chamber assembly (2) that is connected with said contactor main body (1); It is characterized in that: said contactor main body (1) comprises housing (11), is placed in the static iron core assembly (12) of housing (11) bottom, is sheathed on the outer coil block (13) of static iron core assembly (12) and is installed on housing (11) top and the moving core assembly (14) corresponding with static iron core assembly (12); Be fixedly connected with moving contact component (15) on the said moving core assembly (14); Be installed with the fixed contact assembly (16) corresponding with said moving contact component (15) on the said housing (11), the moving contact (151) of moving contact component (15) and the fixed contact (161) of fixed contact assembly (16) are obliquely installed with respect to the bottom surface (a) of contactor main body (1).

2. A.C. contactor according to claim 1; It is characterized in that: said arc-extinguish chamber assembly (2) comprises the cover body (21) that covers at said contactor main body (1) top and is located at the arc control device in the said cover body (21); Said arc control device become the number of metal grid sheet (22) of stepped distribution to constitute by the bottom surface (a) with respect to said contactor main body (1), and said moving contact (151) is provided with towards the metal gate sheet (22) of said stepped distribution with the opening of fixed contact (161).

3. A.C. contactor according to claim 1; It is characterized in that: said contactor main body (1) bottom is provided with and can be parallel to the drawing and pulling type coil bracket (17) that slides in bottom surface (a); Said static iron core assembly (12) is fixed on the said drawing and pulling type coil bracket (17); Said coil block (13) is movably set on the said static iron core assembly (12), and said housing (11) is provided with the grab (111) that fixes with said drawing and pulling type coil bracket (17).

4. A.C. contactor according to claim 3; It is characterized in that: be folded with sheet rubber (18) between said static iron core assembly (12) bottom and the coil bracket (17), said static iron core assembly (12) presses solidly on said coil bracket (17) through Anchor plate kit (18).