CN213277949U

CN213277949U - Electromagnetic switch

Info

Publication number: CN213277949U
Application number: CN202022118278.2U
Authority: CN
Inventors: 肖国兵
Original assignee: Ningbo Zhongxin Electromechanical Co ltd
Current assignee: Ningbo Zhongxin Electromechanical Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses an electromagnetic switch is integrated to a switch box with electromagnetic element in to upgrade unidirectional control circuit increase components and parts into bidirectional control circuit, will need to realize that the function that the motor just reverses with a plurality of electromagnetic switch in the past can realize with an electromagnetic switch, optimized whole electromagnetic switch's structure simultaneously, occupation space is littleer, and practical efficiency is higher, and the income of enterprise is higher.

Description

Electromagnetic switch

Technical Field

The utility model relates to an electrical switchgear, concretely relates to electromagnetic switch.

Background

At present, an electromagnetic switch is widely used in the field of circuit control, the electromagnetic switch is a switch for controlling the on-off of a working circuit by using an electromagnet, and a low-voltage and low-current control circuit can be used for controlling a high-voltage and high-current working circuit by using an electromagnetic relay, so that the remote control and production automation can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electromagnetic switch is integrated to a switch box with electromagnetic element in to upgrade unidirectional control circuit increase components and parts into bidirectional control circuit, thereby realize the reduction of electromagnetic switch quantity, but can realize bidirectional control circuit's function, improved mechanical work efficiency.

Electromagnetic switch, including the shell, be equipped with a plurality of cavitys in the shell, every the cavity in all be equipped with the base, the base in be equipped with coil and contact, the shell on be equipped with the installing port, terminal and plug pass the installing port protrusion set up in the shell outside.

Preferably, the shell comprises an upper shell and a lower shell, and a sealing gasket is arranged between the upper shell and the lower shell, so that the anti-interference capability of the device is enhanced.

Preferably, the base comprises a first base and a second base, and the first base and the second base are both internally provided with a coil and a contact, so that the utilization rate of the internal structure of the device is enhanced.

Preferably, a fixed shaft and a spring are arranged in the coil, and the fixed shaft is sleeved in the spring to stabilize the spring.

Preferably, the binding post includes first binding post, second binding post, third binding post, first binding post, second binding post and third binding post interval set up, three binding posts connect the outside simultaneously, reinforcing device wholeness.

Preferably, a first positioning piece is arranged between the first binding post and the second binding post, the corresponding positions of the first positioning piece and the first binding post and the corresponding positions of the second binding post are intersected, and the corresponding positions of the second positioning piece and the second binding post and the corresponding positions of the third binding post are intersected, so that the binding posts are more stable and firmer.

Preferably, the lower shell is provided with mounting lugs. Compared with the prior art, after the structure is adopted, the function of forward and reverse rotation of the motor can be realized by one electromagnetic switch through a plurality of electromagnetic switches, the structure of the whole electromagnetic switch is optimized, the occupied space is smaller, the practical efficiency is higher, and the enterprise income is higher.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a sectional view of the present invention.

Fig. 4 is a second perspective view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

The utility model provides a pair of engine bush embodiment: the electromagnetic switch comprises a shell and a plurality of electromagnets, wherein the electromagnets are arranged in the shell.

As shown in fig. 1-4, more specifically, the shell includes upper shell 1 and lower shell 2, upper shell 1 with lower shell 2 between be provided with sealed pad 3, upper shell 1 lower surface and lower shell 2 upper surface all are equipped with the screw hole, the same, sealed pad 3 corresponds position department and also is equipped with the screw hole, when the three aligns, screw hole department screws up, can accomplish the installation of upper and lower casing 2 and sealed pad 3, be equipped with upper plate and lower plate on upper shell 1, adopt the terminal connection between upper plate and the lower plate, play the effect of strengthening whole box body structure after connecting, be equipped with installation ear 13 on lower shell 2, the installation ear is used for the connection of integrated device in other assembly parts.

The electromagnet in the shell comprises a first base 4 and a second base 5, a coil 6 and a contact 7 are arranged in the first base 4 and the second base 5, a fixing shaft 9 and a spring 8 are arranged in the coil 6, the coil 6 is nested in the first base 4 and the second base 5, the fixing shaft 9 is vertically arranged in the first base 4 and the second base 5, and the spring 8 is wound on the fixing shaft 9.

Be equipped with the terminal on epitheca 1, the terminal contain first terminal 10, second terminal 11, third terminal 12, parallel arrangement respectively.

Be equipped with first spacer between first terminal 10 and the second terminal 11, first spacer and first terminal 10 and the second terminal 11 correspond position department and intersect, the second spacer corresponds position department with second terminal 11 and third terminal 12 and intersects.

Be equipped with first contact 7 between first terminal 10 and the second terminal 11, be equipped with second contact 7 between second terminal 11 and the third terminal 12, first contact 7 is connected and is located first plug 14 on epitheca 1, second contact 7 is connected and is located second plug 14 on epitheca 1, external circuit is all connected to first plug 14 and second plug 14, above-mentioned first terminal 10, second terminal 11, external circuit is all connected to third terminal 12, in addition, be connected between coil 6 and the contact 7, through being connected electrically between contact 7 and the plug 14.

Use the utility model discloses during circuit control, be connected to first terminal 10 with external circuit respectively, second terminal 11, third terminal 12 and first plug 14 and second plug 14, switch on first plug 14 place circuit, produce magnetic field after 6 circular telegrams of first coil in the base, switch on first terminal 10 and second terminal 11 this moment and form closed circuit, realize the corotation of motor, when will realizing the reversal, 14 place circuit of first plug of disconnection, switch on second plug 14 place circuit, produce magnetic field after 6 circular telegrams of second coil in the base, switch on second terminal 11 and third terminal 12 this moment and form closed circuit, realize the reversal of motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Electromagnetic switch, its characterized in that, including the shell, be equipped with a plurality of cavitys in the shell, every the cavity in all be equipped with the base, the base in be equipped with coil (6) and contact (7), the shell on be equipped with the installing port, terminal and plug (14) pass the installing port protrusion set up in the shell outside.

2. The electromagnetic switch according to claim 1, characterized in that the housing comprises an upper shell (1) and a lower shell (2), and a gasket (3) is arranged between the upper shell (1) and the lower shell (2).

3. The electromagnetic switch according to claim 2, characterized in that said base comprises a first base (4) and a second base (5), said first base (4) and said second base (5) being provided with a coil (6) and a contact (7).

4. The electromagnetic switch according to claim 1, characterized in that a fixed shaft (9) and a spring (8) are arranged in the coil (6), and the fixed shaft (9) is sleeved in the spring (8).

5. The electromagnetic switch according to claim 1, wherein the terminals comprise a first terminal (10), a second terminal (11), and a third terminal (12), and the first terminal (10), the second terminal (11), and the third terminal (12) are spaced apart from each other.

6. The electromagnetic switch according to claim 5, characterized in that a first positioning sheet is arranged between the first terminal (10) and the second terminal (11), the first positioning sheet intersects with the corresponding positions of the first terminal (10) and the second terminal (11), and the second positioning sheet intersects with the corresponding positions of the second terminal (11) and the third terminal (12).

7. The electromagnetic switch according to claim 2, characterized in that the lower case (2) is provided with mounting lugs (13).