CN218333634U

CN218333634U - Electromagnetic relay

Info

Publication number: CN218333634U
Application number: CN202123040276.7U
Authority: CN
Inventors: 邱文辉; 胡伊特; 胡伊达; 张彭春; 谭坤; 严明皇; 李书平
Original assignee: Xinweier Electric Jiangsu Co ltd
Current assignee: Xinweier Electric Jiangsu Co ltd
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2023-01-17
Anticipated expiration: 2031-12-04

Abstract

The utility model relates to an electromagnetic relay, including base, shell, electromagnetic component, movable contact spring, the static contact of setting on the base, electromagnetic component including setting up yoke on the base, setting up coil skeleton on the yoke, setting up coil on coil skeleton, setting up iron core, rotation in coil skeleton set up on the yoke and with iron core matched with armature, set up the shell fragment between armature and yoke, armature on be provided with and promote the frame, one of promoting the frame serve and be provided with the reference column, the movable contact spring on be provided with reference column matched with locating hole, the reference column activity set up in the locating hole, one side department that serves corresponding to the reference column of promotion frame be provided with the cambered surface boss, this cambered surface boss is contradicted on the movable contact spring, and constitutes the linkage cooperation that promotes frame and movable contact spring. The utility model has the advantages of simple structure, stable and reliable performance and long service life.

Description

Electromagnetic relay

Technical Field

The utility model particularly relates to an electromagnetic relay.

Background

An electromagnetic relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is usually applied in an automatic control circuit, and which is actually an "automatic switch" that uses a smaller current and a lower voltage to control a larger current and a higher voltage. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. With the development of low-voltage electric appliances, the application of electromagnetic relays is more and more extensive, and the requirements on the electromagnetic relays are higher and higher. Because the structural design of current electromagnetic relay's ejector pin is unreasonable, this ejector pin block is in movable contact spring's locating hole, and the ejector pin is worn and torn easily, and ejector pin and movable contact spring easy jamming lead to the movable contact spring can't reset, has shortened the life of product greatly, and this electromagnetic relay still has the defect that the structure is complicated, the performance is unreliable.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, dependable performance, long service life's electromagnetic relay.

For realizing above-mentioned mesh, the utility model discloses an electromagnetic relay, including base, shell, electromagnetic component, movable contact spring, the static contact of setting on the base, electromagnetic component including setting up yoke on the base, setting up coil skeleton on the yoke, setting up coil on coil skeleton, set up iron core in coil skeleton, rotate and set up on the yoke and with iron core matched with armature, set up the shell fragment between armature and yoke, armature on be provided with and push away the frame, one of pushing away the frame serve and be provided with the reference column, the movable contact spring on be provided with reference column matched with locating hole, the reference column activity set up in the locating hole, one side department that serves corresponding to the reference column of pushing away the frame be provided with the cambered surface boss, this cambered surface boss is contradicted on the movable contact spring, and constitute the linkage cooperation that pushes away frame and movable contact spring.

The beneficial effect of above-mentioned structure is: the positioning column can play a positioning role in the movable spring, the cambered boss is arranged on the pushing frame, the cambered boss moves along with the pushing frame and can push the movable spring to move, the pushing frame and the movable spring can be ensured to be more reliably transmitted, and the positioning column and the movable spring are not easy to be clamped, so that the electromagnetic relay has the advantages of simple structure, stable and reliable performance and long service life.

Particularly, a positioning plate is arranged at the other end of the pushing frame, a limiting convex block is arranged on the positioning plate, a limiting hole matched with the limiting convex block is formed in the armature, and the limiting convex block is clamped in the limiting hole and forms clamping fit of the pushing frame and the armature. The push frame and the armature are connected in a clamping matching mode, so that the push frame and the armature can be assembled conveniently, and the assembly efficiency of the electromagnetic relay can be improved.

Particularly, two limiting pieces are respectively arranged on two sides of the positioning plate and abut against two sides of the armature. The positioning plate is connected with the armature in a limiting matching mode, so that the connection between the positioning plate and the armature can be more compact, and the working reliability of the electromagnetic relay is improved.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is an internal structure diagram of the embodiment of the present invention.

Fig. 3 is a perspective view of a push frame according to an embodiment of the present invention.

Fig. 4 is a perspective view of an armature according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1-4, an embodiment of the present invention is an electromagnetic relay, including a base 10, a housing 11, an electromagnetic component 20, a movable contact 12, and a fixed contact 13, where the electromagnetic component 20 includes a yoke 21 disposed on the base 10, a bobbin 22 disposed on the yoke 21, a coil 23 disposed on the bobbin 22, an iron core 24 disposed in the bobbin 22, an armature 25 rotatably disposed on the yoke 21 and matched with the iron core 24, and an elastic sheet 26 disposed between the armature 25 and the yoke 21, the armature 25 is provided with a pushing frame 27, one end of the pushing frame 27 is provided with a positioning post 271, the movable contact 12 is provided with a positioning hole 121 matched with the positioning post 271, the movable contact 271 is movably disposed in the positioning hole 121, one end of the pushing frame 27 corresponding to the positioning post 271 is provided with an arc boss 272, the arc boss 272 abuts on the movable contact with the movable contact 12, and constitutes a linkage fit between the pushing frame 27 and the movable contact 12. The other end of the pushing frame 27 is provided with a positioning plate 273, the positioning plate 273 is provided with a limiting projection 274, the armature 25 is provided with a limiting hole 251 matched with the limiting projection 274, and the limiting projection 274 is clamped in the limiting hole 251 and forms clamping matching of the pushing frame 27 and the armature 25. The pushing frame and the armature are connected in a clamping matching mode, so that the pushing frame and the armature are convenient to assemble, and the assembly efficiency of the electromagnetic relay is improved. Two sides of the positioning plate 273 are respectively provided with a limiting piece 275, and the two limiting pieces 275 abut against two sides of the armature 25. The positioning plate is connected with the armature in a limiting matching mode, so that the connection between the positioning plate and the armature can be more compact, and the working reliability of the electromagnetic relay is improved.

The positioning column can play a positioning role in the movable spring, the cambered boss is arranged on the pushing frame, the cambered boss moves along with the pushing frame and can push the movable spring to move, the pushing frame and the movable spring can be ensured to be more reliably transmitted, and the positioning column and the movable spring are not easy to be clamped, so that the electromagnetic relay has the advantages of simple structure, stable and reliable performance and long service life.

Claims

1. The utility model provides an electromagnetic relay, includes the base, sets up shell, electromagnetic component, movable contact spring, the static contact on the base, electromagnetic component including setting up yoke on the base, setting up coil skeleton on the yoke, setting up coil on coil skeleton, setting up the iron core in coil skeleton, rotate the setting on the yoke and with iron core matched with armature, set up the shell fragment between armature and yoke, its characterized in that: the armature on be provided with the propelling movement frame, one of propelling movement frame serve and be provided with the reference column, the movable spring on be provided with the locating hole with reference column matched with, the reference column activity set up in the locating hole, one side department that one of propelling movement frame serves and corresponds the reference column be provided with the cambered surface boss, this cambered surface boss is contradicted on the movable spring piece, and constitutes the linkage cooperation of propelling movement frame and movable spring piece.

2. An electromagnetic relay according to claim 1, characterized in that: the other end of the pushing frame is provided with a positioning plate which is provided with a limiting lug, the armature is provided with a limiting hole matched with the limiting lug, and the limiting lug is clamped in the limiting hole and forms clamping matching of the pushing frame and the armature.

3. An electromagnetic relay according to claim 2, characterized in that: two sides of the positioning plate are respectively provided with a limiting piece, and the two limiting pieces are abutted against two sides of the armature.