CN202736849U - Household alternating current contactor - Google Patents

Abstract

The utility model discloses a household alternating current contactor which comprises a shell, and an electromagnetic device, a contact terminal device, control loop binding post and major loop binding posts which are disposed inside the shell, wherein the contact terminal device comprises a contact terminal support provided with a plurality of contact bridges, movable contacts disposed on one side of the contact bridges, and stationary contacts which forms electrical connection by correspondingly contacting the movable contacts; the stationary contacts are electrically connected with corresponding major loop binding posts through contact plates; accommodation holes for mounting the contact bridges are disposed on the contact terminal support along a crosswise direction; and compressed springs are disposed between sides of the contact bridges where no movable contacts are disposed and hole walls corresponding to each accommodating holes, with one end of the compressed springs connected with the contact bridges and the other end of the compressed springs connected on bosses disposed on the hole walls of the accommodating holes. The household alternating current contactor of the utility model is simple and convenient to assemble and operate, and can effectively prevent the compressed springs for mounting the contact bridges from falling off during usage, thereby ensuring circuit reliability.

Description

The family expenses A.C. contactor

Technical field

The utility model belongs to the contactor construction design field, is specifically related to a kind of family expenses A.C. contactor.

Background technology

Family expenses A.C. contactor CT(is hereinafter to be referred as contactor) be mainly used in exchanging 50HZ(or 60HZ), rated operational voltage is up to 400V, rated operational current was to the electric power system of 100A when rated operational voltage was 400V under the AC-1 use classes, connect and minute deenergizing for remote, can be used for the occasions such as illumination, heating, ventilation.

Contactor on the existing market also has some defectives: the contact support of (1) contactor is adopted often to open with normally closed two kinds namely needs two contact supports, and be installed on that contact bridge and stage clip are separate type in the contact support, the phenomenon that exists stage clip to come off during use, and then the situation that causes main circuit to cut off the power supply, assembly work is also comparatively loaded down with trivial details; (2) contactor does not arrange corresponding structure and causes the user can not understand easily each product specifically control which load, thereby inconvenient user inquires about and follows the trail of the relevant information of each product institute control load; (3) housing of contactor adopts the structure that base and loam cake cooperate usually, and base is connected with loam cake and is adopted plug-in to connect, and base cooperates defective tightness with loam cake, and not only outward appearance is not attractive in appearance, and also there is potential safety hazard in use in the user; In addition, the staff is when overhauling product, and the wedging position easy fracture of plastic clip fitting easily causes damage of product.

In sum, traditional family expenses A.C. contactor structure also need be improved.

The utility model content

For the weak point of pointing out in the background technology, the utility model provides a kind of family expenses A.C. contactor, and the assembly work of this contactor stage clip convenient and that effectively avoided installing contact bridge in use comes off and then guaranteed circuit reliability.

The technical scheme that realizes the utility model purpose is:

A kind of family expenses A.C. contactor comprises housing and is arranged on housing interior calutron, contact apparatus, control loop binding post and major loop binding post;

Described contact apparatus comprises that the contact support that is provided with several contact bridges, the moving contact that is arranged on described contact bridge one side and contact corresponding to each moving contact form the fixed contact that is electrically connected; Described fixed contact is electrically connected with corresponding major loop binding post by contact plate;

The edge laterally is provided with for the containing hole that each contact bridge is installed in the described contact support;

Be provided with stage clip between the side that each described contact bridge does not arrange moving contact and the corresponding hole wall of each containing hole, an end of described stage clip links to each other with contact bridge, and its other end is socketed on the boss of being located at the containing hole hole wall.

In the technique scheme, described calutron is positioned at the top of contact apparatus;

Described calutron comprises coil rack, is wound on the solenoid on the coil rack, the static iron core that is arranged on the coil rack top, the moving iron core that is positioned at the coil rack below and the back-moving spring that back-moving spring is provided for described moving iron core; Described control loop binding post is connected with the lead-out wire of solenoid;

The top that described contact is supported links to each other with moving iron core.

In the technique scheme, the top end face of described housing is provided with groove; The top of described groove is provided with the transparent cover plate that is rotationally connected with described housing.

In the technique scheme, described housing is made of base and loam cake, and described base and loam cake are fixed together by tapping screw.

The utlity model has positive effect:

(1) edge laterally is provided with for the containing hole that each contact bridge is installed in the contact support of the family expenses A.C. contactor in the utility model; Be provided with stage clip between the side that each described contact bridge does not arrange moving contact and the corresponding hole wall of each containing hole, one end of described stage clip links to each other with contact bridge, its other end is socketed on the boss of being located at the containing hole hole wall, in said structure, only adopt a contact support to get final product, simultaneously owing in containing hole, being provided with for the boss that stage clip is installed, thereby the situation that does not in use exist stage clip to come off, the electrical connection of main circuit is reliable, and assembly work is more convenient.

(2) top end face of the contactor loam cake in the utility model is provided with groove; The top of described groove is covered with the transparent cover plate that is rotationally connected with loam cake, adopt this structure user can be as required the label that is marked with relevant information (concrete load of controlling such as each product etc.) to be placed in the above-mentioned groove, and the transparent cover plate that arranges with rotation covers, when checking, need not open transparent cover plate and can check the note content, and transparent cover plate also is difficult for losing.

(3) base of the contactor in the utility model and loam cake are fixed together by tapping screw.Adopt this structure that base is cooperated with loam cake tightr, and eliminated user's potential safety hazard in use; Product also can not occur the problem of plastic clip fitting wedging position fracture occurs and then avoids causing product rejection in maintenance.

Description of drawings

Fig. 1 is a kind of forward view of family expenses A.C. contactor in the utility model;

Fig. 2 is the structural representation after Fig. 1 removes loam cake;

Fig. 3 is a kind of perspective view of Fig. 2;

Fig. 4 is a kind of forward view that contact apparatus removes fixed contact in the utility model;

Fig. 5 is the structural representation when family expenses A.C. contactor housing is in the blast state in the utility model;

Reference numeral shown in the figure is:

The 1-housing; The 11-groove; The 12-transparent cover plate; The 13-base; The 14-loam cake; The 2-calutron; The 21-coil rack; The 22-solenoid; The 23-static iron core; 24-moves iron core; The 3-contact apparatus; The 31-contact bridge; The 32-contact is supported; The 33-moving contact; The 34-fixed contact; The 35-contact plate; The 36-containing hole; The 37-stage clip; The 38-boss; 4-control loop binding post; 5-major loop binding post; The 6-back-moving spring; The 7-tapping screw.

Embodiment

(embodiment 1)

Below in conjunction with accompanying drawing the first embodiment of the present utility model is described further:

As shown in Figures 1 to 4, a kind of family expenses A.C. contactor comprises housing 1 and is arranged on calutron 2, contact apparatus 3, control loop binding post 4 and major loop binding post 5 in the housing 1; Described contact apparatus 3 comprises the contact support 32 that is provided with four (also can be two) contact bridges 31, the moving contact 33 that is arranged on described contact bridge 31 1 sides and the fixed contact 34 that is electrically connected with each moving contact 33 corresponding contact formation; Described fixed contact 34 is by contact plate 35 and corresponding major loop binding post 5 electrical connections; The edge laterally is provided with for the containing hole 36 that each contact bridge 31 is installed in the described contact support 32; Be provided with stage clip 37 between the side that each described contact bridge 31 does not arrange moving contact 33 and each containing hole 36 corresponding hole wall, an end of described stage clip 37 links to each other with contact bridge 31, and its other end is socketed on the boss 38 of being located at containing hole 36 hole walls.In said structure, only adopt a contact to support that 32 get final product, need not use two independent contacts to support 32, simultaneously owing in containing hole 36, being provided with the boss that stage clip 37 usefulness are installed, thereby the situation that does not in use exist stage clip 37 to come off, the electrical connection of main circuit is reliable, and assembly work is more convenient.

Described calutron 2 is positioned at the top of contact apparatus 3; Described calutron 2 comprises coil rack 21, be wound on solenoid 22 on the coil rack 21, be arranged on coil rack 21 tops static iron core 23, be positioned at the moving iron core 24 of coil rack 21 belows and the back-moving spring 6 that reseting elasticity is provided for moving iron core 24; Back-moving spring 6 in the present embodiment is arranged between described coil rack 21 and the described moving iron core 24, and the one end is against on the coil rack 21, and the other end is against on the moving iron core 24; Described control loop binding post 4 is connected with the lead-out wire of solenoid 22; Described contact supports 32 top to link to each other with moving iron core 24, be connected to the middle part of the top of contact support 32 and moving iron core 24 good, can be referring to Fig. 2 and Fig. 3.

The top end face of described housing 1 is provided with groove 11; The top of described groove 11 is provided with the transparent cover plate 12 that is rotationally connected with described housing 1, specifically referring to Fig. 1.Adopt this structure user can be as required the label that is marked with relevant information (concrete load of controlling such as each product etc.) to be placed in the above-mentioned groove 11, and the transparent cover plate 12 that arranges with rotation covers, when checking, need not open transparent cover plate 12 and can check the note content, and transparent cover plate 12 also is difficult for losing.

Described housing 1 in the present embodiment is made of base 13 and loam cake 14, and more closely eliminate user's potential safety hazard in use for what make that base 13 cooperates with loam cake 14, described base 13 is fixed together by tapping screw 7 with loam cake 14, and adopt self-tapping screw 9 fixing modes that the fracture of plastic clip fitting wedging position appears in product in maintenance problem can not occur yet, and then avoid causing product rejection, concrete structure can be referring to Fig. 5.

Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims (4)

1. a family expenses A.C. contactor comprises housing (1) and is arranged on housing (1) interior calutron (2), contact apparatus (3), control loop binding post (4) and major loop binding post (5);

Described contact apparatus (3) comprises that the contact support (32) that is provided with several contact bridges (31), the moving contact (33) that is arranged on described contact bridge (31) one sides and contact corresponding to each moving contact (33) form the fixed contact (34) that is electrically connected; Described fixed contact (34) is by contact plate (35) and the electrical connection of corresponding major loop binding post (5);

It is characterized in that:

Described contact support (32) is upper along laterally being provided with for the containing hole (36) that each contact bridge (31) is installed;

Be provided with stage clip (37) between the side that each described contact bridge (31) does not arrange moving contact (33) and the corresponding hole wall of each containing hole (36), one end of described stage clip (37) links to each other with contact bridge (31), and its other end is socketed on the boss (38) of being located at containing hole (36) hole wall.

2. family expenses A.C. contactor according to claim 1, it is characterized in that: described calutron (2) is positioned at the top of contact apparatus (3);

Described calutron (2) comprises coil rack (21), be wound on solenoid (22) on the coil rack (21), be arranged on coil rack (21) top static iron core (23), be positioned at the moving iron core (24) of coil rack (21) below and the back-moving spring (6) that reseting elasticity is provided for described moving iron core (24); Described control loop binding post (4) is connected with the lead-out wire of solenoid (22);

The top of described contact support (32) links to each other with moving iron core (24).

3. family expenses A.C. contactor according to claim 2, it is characterized in that: the top end face of described housing (1) is provided with groove (11); The top of described groove (11) is provided with the transparent cover plate (12) that is rotationally connected with described housing (1).

4. each described family expenses A.C. contactor in 3 according to claim 1, it is characterized in that: described housing (1) is made of base (13) and loam cake (14), and described base (13) is fixed together by tapping screw (7) with loam cake (14).

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