CN210837606U

CN210837606U - AC contactor with protective cover

Info

Publication number: CN210837606U
Application number: CN201922167107.6U
Authority: CN
Inventors: 孙瑞忠
Original assignee: Yangzhou Tongli Electric Co ltd
Current assignee: Yangzhou Tongli Electric Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-23
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a take ac contactor of visor, inhale iron core, coil and stopper including guard box, movable contact piece bracing piece, static contact piece, absorption iron core, counter-force spring, insulation board, magnetism is inhaled the iron core and is located the guard box inside and locate the bottom of guard box, the coil is located and is inhaled on the iron core, the static contact piece is located on the guard box, the below of movable block is located to the counter-force spring, the movable contact piece is located on the movable contact piece bracing piece, it locates on the lateral wall of movable block to adsorb the iron core. The utility model belongs to the technical field of ac contactor, specifically be one kind through having improved spring life cycle with the one end of counterforce spring setting keeping away from the movable contact spring, set up the insulation board simultaneously between the iron core, make the iron core can firmly adsorb in the use, also avoided adsorbing for a long time and the electrocorrosion phenomenon that produces, get up the wearing and tearing of avoiding dust and air with whole ac contactor protection simultaneously, be a very practical device.

Description

AC contactor with protective cover

Technical Field

The utility model belongs to the technical field of ac contactor, specifically indicate an ac contactor of taking visor.

Background

The alternating current contactor is mainly used for electrical appliances which are frequently connected and disconnected in a long distance, when a coil of the alternating current contactor is electrified, current flowing through the coil generates a magnetic field, a magnetic yoke generates enough attraction force, the reaction force of a reaction spring is overcome, an armature is attracted, and a moving contact is driven by a transmission mechanism to be closed so as to connect a power supply; when the coil of the alternating current contactor is powered off or the voltage is remarkably reduced, because the electromagnetic attraction disappears or is reduced, the armature resets under the action of the reaction spring force, and each contact is driven to restore to the initial state so as to cut off the power supply, the reaction spring in the existing alternating current contactor is often arranged at the position of the movable contact piece, the movable contact piece presses the reaction spring under the power-on condition to realize the closing of the static contact piece, and the reaction spring is restored under the action of the reaction spring under the power-off condition, so that the corrosion phenomenon which occurs due to long-time use often occurs when the alternating current contactor is powered on in a closed mode, the service life of the alternating current contactor is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned current difficult problem, the utility model provides a take ac contactor of visor has improved the life cycle of spring through the one end with counter-force spring setting keeping away from the movable contact spring, sets up the insulation board simultaneously between the iron core, makes the iron core can firmly adsorb in the use, has also avoided adsorbing for a long time and the electric corrosion phenomenon that produces, gets up the protection of whole ac contactor simultaneously and has avoided the wearing and tearing of dust and air to ac contactor, is a very practical ac contactor.

The utility model adopts the following technical scheme: an AC contactor with a protective cover comprises a protective box, a movable block, a movable contact piece supporting rod, a static contact piece, an adsorption iron core, a counter-force spring, an insulating plate, a magnetic iron core, a coil and a limiting block, wherein the magnetic iron core is arranged in the protective box and at the bottom of the protective box, the insulating plate is arranged in the protective box and above the magnetic iron core, the limiting block is arranged at the bottom of the insulating plate, the coil is arranged on the magnetic iron core, the static contact piece is arranged on the protective box, the movable block is slidably arranged on the protective box, the movable contact piece supporting rod is arranged on the movable block, the counter-force spring is arranged below the movable block, the movable contact piece is arranged on the movable contact piece supporting rod, the adsorption iron core is arranged on the side wall of the movable block, the protective box protects the throttle contactor from being exposed in the air, the, the reaction spring plays the effect of restoring to the throne, the insulation board can be insulating, the displacement of iron core and coil is inhaled to stopper restriction magnetism.

Further, the guard box is the cavity type cuboid, the guard box is inside to be equipped with the shifting chute, the shifting chute is equipped with four groups, the movable block slides and locates in the shifting chute, the shifting chute is cuboid slot shape setting.

Further, be equipped with the sliding block on the movable block, the sliding block is equipped with four groups, the sliding block slides and locates in the shifting chute, the sliding block is the setting of cuboid.

Further, the stopper is equipped with two sets ofly, the stopper is the cuboid setting.

Furthermore, the iron core is inhaled to magnetism is E style of calligraphy setting, the coil is located and is inhaled between the iron core and locate between two sets of stoppers to magnetism.

Further, the insulation board is cuboid platy and is arranged, the length of the insulation board is equal to that of the protection box, the width of the insulation board is equal to that of the protection box, the moving block is cuboid and is arranged, the volume of the moving block is larger than that of the sliding block, the height of the moving block is equal to that of the sliding block, the movable contact is cuboid platy and is arranged, the static contact is cuboid platy and is arranged, and the volume of the movable contact is larger than that of the static contact.

Further, the reaction spring is equipped with two sets ofly, it is equipped with three groups to adsorb the iron core, three groups adsorb the iron core and inhale the iron core one-to-one, the static contact is equipped with two sets ofly, the length of movable contact equals the maximum distance between two sets of static contact.

Further, the insulation board is arranged between the reaction spring and the moving block, the moving block is arranged between the static contact piece supporting rod and the reaction spring, and the moving contact piece supporting rod is arranged between the moving contact piece and the moving block.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model provides a take ac contactor of visor has improved the life cycle of spring through the one end of keeping away from the movable contact spring setting, sets up the insulation board simultaneously between the iron core, makes the iron core can firmly adsorb in the use, has also avoided adsorbing for a long time and the electrocorrosion phenomenon that produces, and the while is protected whole ac contactor and has avoided the wearing and tearing of dust and air to ac contactor, is a very practical ac contactor.

Drawings

Fig. 1 is a schematic diagram of an internal structure of an ac contactor with a protective cover according to the present invention.

The device comprises a protective box 1, a protective box 2, a moving block 3, a movable contact piece 4, a movable contact piece support rod 5, a static contact piece 6, an adsorption iron core 7, a counter force spring 8, an insulating plate 9, a magnetic iron core 10, a coil 11, a limiting block 12, a moving groove 13 and a sliding block.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the technical solution adopted by the utility model is as follows: the utility model provides a take ac contactor of visor, includes guard box 1, movable contact piece 2, movable contact piece 3, movable contact piece bracing piece 4, static contact piece 5, adsorbs iron core 6, reaction spring 7, insulation board 8, magnetism inhale iron core 9, coil 10 and stopper 11, magnetism inhales iron core 9 and locates the inside bottom that just locates guard box 1 of guard box 1, insulation board 8 locates in guard box 1 and locates the top of magnetism inhaling iron core 9, stopper 11 locates the bottom of insulation board 8, coil 10 locates on magnetism inhales iron core 9, static contact piece 5 locates on guard box 1, movable contact piece 2 slides and locates on guard box 1, movable contact piece bracing piece 4 is located on movable block 2, reaction spring 7 locates the below of movable contact piece 2, movable contact piece 3 locates on the movable contact piece bracing piece 4, adsorb on iron core 6 locates on the lateral wall of movable block 2.

The protection box 1 is a hollow cuboid, a moving groove 12 is arranged in the protection box 1, four groups of moving grooves 12 are arranged in the moving groove 12, the moving block 2 is arranged in the moving groove 12 in a sliding mode, and the moving groove 12 is arranged in a cuboid groove shape.

Be equipped with sliding block 13 on the movable block 2, sliding block 13 is equipped with four groups, sliding block 13 slides and locates in the shifting chute 12, sliding block 13 is the setting of cuboid.

The limiting blocks 11 are two sets, and the limiting blocks 11 are arranged in a cuboid shape.

The magnetic iron cores 9 are arranged in an E shape, and the coil 10 is arranged between the magnetic iron cores 9 and between the two groups of limiting blocks 11.

The insulation board 8 is the setting of cuboid slabby, the length of insulation board 8 equals the length of guard box 1, the width of insulation board 8 equals the width of guard box 1, moving block 2 is the setting of cuboid, the volume of moving block 2 is greater than the volume of sliding block 13, the height that highly equals sliding block 13 of moving block 2, movable contact 3 is the setting of cuboid slabby, stationary contact 5 is the setting of cuboid slabby, the volume of movable contact 3 is greater than the volume of stationary contact 5.

The reaction spring 7 is provided with two groups, the adsorption iron cores 6 are provided with three groups, the three groups of adsorption iron cores 6 correspond to the magnetic adsorption iron cores 9 one by one, the static contact pieces 5 are provided with two groups, and the length of the movable contact piece 3 is equal to the maximum distance between the two groups of static contact pieces 5.

The insulating plate 8 is arranged between the reaction spring 7 and the moving block 2, the moving block 2 is arranged between the supporting rod of the static contact piece 5 and the reaction spring 7, and the supporting rod of the movable contact piece 4 is arranged between the movable contact piece 3 and the moving block 2.

When the device is used, a user powers on the coil 10, after the coil 10 is powered on, the magnetic iron core 9 generates magnetism, under the action of the magnetism, the adsorption iron core 6 is adsorbed by the magnetic iron core 9, at the moment, the counter-force spring 7 is pressed under the action of the magnetism, the moving block 2 and the sliding block 13 move downwards in the moving groove 12, finally, the adsorption iron core 6 and the magnetic iron core 9 are adsorbed together through the insulating plate 8, at the moment, the moving block 2 moves downwards to drive the moving contact piece supporting rod 4 to move downwards, the moving contact piece supporting rod 4 moves downwards to drive the moving contact piece 3 to move downwards, the moving contact piece 3 gradually moves downwards to contact with the static contact piece 5, after the moving contact piece 3 contacts with the static contact piece 5, the device using the alternating current contactor starts to work, after the work is finished, the user powers off the coil 10, at the moment, the magnetic iron core 9 loses magnetism, the adsorption iron core 6, and the sliding block 13 is driven to slide upwards in the moving groove 12, and the moving block 2 is driven to slide upwards together, finally the moving contact piece 3 is far away from the static contact piece 5, and the power of the electric appliance is cut off, which is the work flow of the whole alternating current contactor with the protective cover.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An alternating current contactor with a protective cover is characterized in that: including guard box, movable block, movable contact spring bracing piece, static contact, absorption iron core, reaction spring, insulation board, magnetism inhale iron core, coil and stopper, the iron core is inhaled to magnetism is located the guard box inside and is located the bottom of guard box, the insulation board is located the guard box and is located the top of magnetism and inhale the iron core, the bottom of insulation board is located to the stopper, the coil is located and is inhaled on the iron core to magnetism, the static contact is located on the guard box, the movable block slides and locates on the guard box, the movable contact spring bracing piece is located on the movable block, the below of movable block is located to the reaction spring, the movable contact spring is located on the movable contact spring bracing piece, it locates on the lateral wall of.

2. An ac contactor with a protective cover as claimed in claim 1, wherein: the protective box is a hollow cuboid, moving grooves are formed in the protective box, four groups of moving grooves are formed in the moving grooves, the moving blocks are arranged in the moving grooves in a sliding mode, and the moving grooves are arranged in a cuboid groove shape.

3. An ac contactor with a protective cover as claimed in claim 2, wherein: be equipped with the sliding block on the movable block, the sliding block is equipped with four groups, the sliding block slides and locates in the shifting chute, the sliding block is the cuboid setting.

4. An ac contactor with a protective cover as claimed in claim 3, wherein: the stopper is equipped with two sets ofly, the stopper is the cuboid setting.

5. An ac contactor with a protective cover as claimed in claim 4, wherein: the magnetic iron core is arranged in an E shape, and the coil is arranged between the magnetic iron cores and between the two groups of limiting blocks.

6. An ac contactor with a protective cover as claimed in claim 5, wherein: the insulation board is the setting of cuboid platelike, the length of insulation board equals the length of guard box, the width of insulation board equals the width of guard box, the movable block is the setting of cuboid, the volume of movable block is greater than the volume of sliding block, the height that highly equals the sliding block of movable block, the movable contact is the setting of cuboid platelike, the static contact is the setting of cuboid platelike, the volume of movable contact is greater than the volume of static contact.

7. An ac contactor with a protective cover as claimed in claim 6, wherein: the reaction spring is equipped with two sets ofly, it is equipped with three groups to adsorb the iron core, three groups adsorb the iron core and inhale the iron core one-to-one, the static contact is equipped with two sets ofly, the length of movable contact equals the maximum distance between two sets of static contact.

8. An ac contactor with a protective cover as claimed in claim 7, wherein: the insulation board is arranged between the counter-force spring and the moving block, the moving block is arranged between the static contact piece supporting rod and the counter-force spring, and the movable contact piece supporting rod is arranged between the movable contact piece and the moving block.