CN219998119U - AC contactor - Google Patents

Abstract

The utility model discloses an alternating current contactor, which belongs to the technical field of power equipment and comprises a contactor main body, wherein a coil is arranged in the contactor main body, three binding posts are arranged on the front side and the rear side of the contactor main body, an iron core is movably arranged on the front side of the contactor main body, transmission mechanisms are fixedly arranged on the two sides of the iron core, contacts are arranged at the bottoms of the two transmission mechanisms, the two contacts are arranged on the front side of the contactor main body, and a connecting assembly is arranged at the bottom of the iron core. According to the utility model, the fixing between the first connecting plate and the iron core is released by sequentially rotating the two fixing bolts and keeping the two fixing bolts away from the iron core, the fixing between the spring and the binding post is further released, the threaded sleeve is rotated and kept away from the threaded rod, the fixing between the threaded rod and the supporting plate is further released, the connecting assembly is taken out and overhauled and replaced, and the connecting assembly is installed in the same way, so that the operation is simple, and the overhauling and replacement of the spring are convenient.

Description

AC contactor

Technical Field

The utility model relates to the technical field of power equipment, in particular to an alternating current contactor.

Background

Contactors are classified into alternating current contactors (voltage AC) and direct current contactors (voltage DC), and are applied to electric power, distribution and power utilization. An ac contactor is broadly referred to as an electric appliance in which a magnetic field is generated by a current flowing through a coil in industrial electricity, so that a contact is closed to control a load.

The utility model of patent grant publication number CN218568736U discloses an alternating current contactor, wherein three groups of main contacts of the alternating current contactor are all set to be in a normally closed state, so that for a load electrified for a long time, the electrified time of a coil is reduced, the service life of the alternating current contactor is effectively prolonged, and the energy consumption of the electrified coil is greatly reduced; the two ends of the conductive piece are respectively provided with a movable contact, the two movable contacts are connected through the conductive piece, and the middle part of the conductive piece is in a reverse V shape; the ac contactor further includes: the main contact support frame is provided with a groove, the groove is provided with an inclined plane which is matched with the middle part of the conductive part in shape, and the middle part of the conductive part is positioned in the groove; through setting up the conductive member middle part as reverse V-arrangement, prevent that the movable contact from taking off and the contact skew's condition from appearing in the course of the work, guarantee good circular telegram state.

When the structure is used, one end of the first spring is sleeved on the first guide post arranged on the first support, the other end of the first spring is positioned in the first cavity of the opening arranged on the second support, the other end of the first spring is sleeved on the second guide post arranged on the bottom wall of the first cavity, the spring is easy to fatigue and break, the whole service life is influenced, and the spring is inconvenient to overhaul and replace.

Disclosure of Invention

The present utility model provides an ac contactor, which aims to solve the problems set forth in the above-mentioned background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the alternating current contactor comprises a contactor main body, wherein a coil is arranged in the contactor main body, three binding posts are arranged on the front side and the rear side of the contactor main body, an iron core is movably arranged on the front side of the contactor main body, transmission mechanisms are fixedly arranged on the two sides of the iron core, contacts are arranged at the bottoms of the two transmission mechanisms, and the two contacts are arranged on the front side of the contactor main body;

the iron core bottom is equipped with coupling assembling, coupling assembling includes first connecting plate, spring and second connecting plate, spring top and first connecting plate fixed connection, spring bottom and second connecting plate fixed connection, be equipped with two fixing bolts on the first connecting plate, just fix mutually through two fixing bolts between first connecting plate and the iron core.

Further, the first connecting plate bottom fixedly connected with pole setting, the activity cover is equipped with a vertical section of thick bamboo in the pole setting, just a vertical section of thick bamboo and second connecting plate fixed connection.

Further, a supporting plate is arranged at the bottom of the second connecting plate, and the supporting plate is fixedly connected with the contactor main body.

Further, the bottom of the supporting plate is provided with a threaded rod, the top end of the threaded rod penetrates through the supporting plate and is fixedly connected with the second connecting plate, and a thread sleeve is movably sleeved on the threaded rod.

Further, four mounting grooves are formed in the contactor main body.

Further, a stationary core is installed inside the contactor body.

Further, an insulator is sleeved on the outer side portion of the iron core.

Further, the binding posts are electrically connected with the contactor main body.

The utility model has the following advantages:

1. according to the utility model, the fixing between the first connecting plate and the iron core is released by sequentially rotating the two fixing bolts and keeping the two fixing bolts away from the iron core, the fixing between the spring and the binding post is further released, the threaded sleeve is rotated and kept away from the threaded rod, the fixing between the threaded rod and the supporting plate is further released, the connecting assembly is taken out and overhauled and replaced, and the connecting assembly is installed in the same way, so that the operation is simple and the overhauling and replacement of the spring are convenient;

2. the utility model is mainly used for switching on and off electric appliances of a direct current main circuit and a circuit controlled by a large capacitor, such as a motor, electric heating equipment and the like, and has good use effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

FIG. 3 is a schematic view of a connecting assembly according to the present utility model;

FIG. 4 is a bottom view of the connection assembly of the present utility model;

in the figure: 1. a contactor body; 2. binding posts; 3. an iron core; 4. a contact; 5. a transmission mechanism; 6. a support plate; 7. a connection assembly; 8. a coil; 701. a first connection plate; 702. a spring; 703. a second connecting plate; 704. a vertical rod; 705. a vertical cylinder; 706. a fixing bolt; 707. a threaded rod; 708. and (5) a threaded sleeve.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to the attached drawings of the specification 1-4, an alternating current contactor comprises a contactor main body 1, wherein a coil 8 is arranged in the contactor main body 1, three binding posts 2 are arranged on the front side and the rear side of the contactor main body 1, an iron core 3 is movably arranged on the front side of the contactor main body 1, transmission mechanisms 5 are fixedly arranged on the two sides of the iron core 3, contacts 4 are arranged at the bottoms of the two transmission mechanisms 5, the two contacts 4 are arranged on the front side of the contactor main body 1, a plurality of binding posts 2 are electrically connected with the contactor main body 1, and a static iron core is arranged in the contactor main body 1.

When the power is on, the coil 8 generates a magnetic field, the generated magnetic field enables the static iron core to generate electromagnetic attraction, thereby attracting the iron core 3 to move downwards, driving the two transmission mechanisms 5 to move downwards, enabling the two transmission mechanisms 5 to be respectively contacted with the two contacts 4, simultaneously enabling the iron core 3 to drive the first connecting plate 701 to move downwards, driving the spring 702 to compress, when the power is off, the magnetic field on the coil 8 disappears, and the spring 702 rebounds to drive the first connecting plate 701 to move upwards, thereby driving the iron core 3 to restore to the original position.

The iron core 3 bottom is equipped with coupling assembling 7, and coupling assembling 7 includes first connecting plate 701, spring 702 and second connecting plate 703, and spring 702 top and first connecting plate 701 fixed connection, spring 702 bottom and second connecting plate 703 fixed connection are equipped with two fixing bolt 706 on the first connecting plate 701, and are fixed mutually through two fixing bolt 706 between first connecting plate 701 and the iron core 3.

Wherein, first connecting plate 701 bottom fixedly connected with pole setting 704, pole setting 704 go up the movable sleeve and be equipped with a vertical section of thick bamboo 705, and vertical section of thick bamboo 705 and second connecting plate 703 fixed connection, second connecting plate 703 bottom is equipped with backup pad 6, and backup pad 6 and contactor main part 1 fixed connection, backup pad 6 bottom is equipped with threaded rod 707, threaded rod 707 top run through backup pad 6 and with second connecting plate 703 fixed connection, movable sleeve is equipped with thread bush 708 on the threaded rod 707.

Wherein, offer four mounting grooves on the contactor main part 1, insert four locking bolts in four mounting grooves, conveniently fix contactor main part 1.

An insulator is sleeved on the outer side part of the iron core 3 to isolate current and improve safety performance.

The application process of the utility model is as follows:

the two fixing bolts 706 are sequentially rotated and are far away from the iron core 3, so that the fixation between the first connecting plate 701 and the iron core 3 is released, the fixation between the spring 702 and the binding post 2 is further released, the threaded sleeve 708 is rotated and is far away from the threaded rod 707, the fixation between the threaded rod 707 and the supporting plate 6 is released, the connecting assembly 7 is taken out, the connecting assembly 7 is overhauled and replaced, the connecting assembly 7 is installed in the same way, the operation is simple, the spring 702 is overhauled and replaced conveniently, when the iron core 3 moves downwards, the first connecting plate 701 drives the upright rod 704 to move in the upright tube 705, so that deflection occurs when the spring 702 is prevented from deforming, meanwhile, the iron core 3 is limited, and deflection occurs when the iron core 3 moves vertically.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. An alternating current contactor comprises a contactor main body (1), wherein a coil (8) is arranged inside the contactor main body (1), and the alternating current contactor is characterized in that: three binding posts (2) are arranged on the front side and the rear side of the contactor main body (1), an iron core (3) is movably arranged on the front side of the contactor main body (1), transmission mechanisms (5) are fixedly arranged on the two sides of the iron core (3), contacts (4) are arranged at the bottoms of the two transmission mechanisms (5), and the two contacts (4) are arranged on the front side of the contactor main body (1);

the iron core (3) bottom is equipped with coupling assembling (7), coupling assembling (7) are including first connecting plate (701), spring (702) and second connecting plate (703), spring (702) top and first connecting plate (701) fixed connection, spring (702) bottom and second connecting plate (703) fixed connection, be equipped with two fixing bolt (706) on first connecting plate (701), just fix mutually through two fixing bolt (706) between first connecting plate (701) and iron core (3).

2. An ac contactor as claimed in claim 1, wherein: the bottom end of the first connecting plate (701) is fixedly connected with a vertical rod (704), a vertical cylinder (705) is movably sleeved on the vertical rod (704), and the vertical cylinder (705) is fixedly connected with the second connecting plate (703).

3. An ac contactor as claimed in claim 1, wherein: the bottom of the second connecting plate (703) is provided with a supporting plate (6), and the supporting plate (6) is fixedly connected with the contactor main body (1).

4. An ac contactor as claimed in claim 3, wherein: the bottom of the supporting plate (6) is provided with a threaded rod (707), the top end of the threaded rod (707) penetrates through the supporting plate (6) and is fixedly connected with the second connecting plate (703), and a thread sleeve (708) is movably sleeved on the threaded rod (707).

5. An ac contactor as claimed in claim 1, wherein: four mounting grooves are formed in the contactor main body (1).

6. An ac contactor as claimed in claim 1, wherein: the contactor main body (1) is internally provided with a static iron core.

7. An ac contactor as claimed in claim 1, wherein: an insulator is sleeved on the outer side of the iron core (3).

8. An ac contactor as claimed in claim 1, wherein: the binding posts (2) are electrically connected with the contactor main body (1).