Relay push card structure and relay containing push card

Abstract

The invention relates to a relay push card structure and a relay containing the push card. The push card comprises a push card body. An armature connecting part is arranged at one end of the push card body, and the other end of the push card body is provided with a movable-spring connecting part. The armature connecting part is a cambered-surface structure protruding outwardly. The push card is in abutted contact with the armature of the relay through the cambered surface of the armature connecting part. The relay containing the push card comprises a base, a magnetic circuit part arranged on the base and a contact part, and the push card is assembled on a base between the magnetic circuit part and the contact part. The contact coordinated face, connected with the push card, of the armature is of a plane structure.

Description

technical field [0001] The invention relates to a relay, in particular to a relay pushing card structure and a relay including the pushing card. Background technique [0002] As the basic control component of the electrical system, the relay has been widely used in electromechanical equipment. There are various structures of existing relays, including push card relays. [0003] see figure 1 As shown, the existing push card relay is mainly composed of a base 1 , a magnetic circuit part and a contact part arranged on the base 1 and connected by a push card 7 . The magnetic circuit part is mainly composed of the iron core 3 arranged on the base 1, the coil 2 sleeved on the iron core 3, the yoke iron 5 arranged beside the coil 2, the armature 4 arranged on the end face of the iron core 3 by the seesaw effect, and The stage clip 6 that exerts spring force on the back of the armature 4 is formed. The contact part is mainly composed of a static reed 8 and a movable reed 9 arran...

AI Technical Summary

Problems solved by technology

[0005] 1. In the plug-in assembly structure of the push card, in order to ensure the stability of the assembly of the push card with the armature and the moving reed, the connection between the armature connection part of the push card and the surface of the armature, the connection part of the moving spring of the push card and the moving spring Large surface contact is formed between the surfaces of the slices. Due to the seesaw action effect of the armature, the push card will inevitably produce a non-linear (ie arc) motion track during the force transmission process, which affects the motion accuracy of the push card. Inevitably, it will affect the stability and reliability of the relay operation, which is not conducive to the extension of its service life;

[0006] 2. The plug-in assembly structure between the push card and the armature, and between the push card and the moving reed makes it impossible to effectively realize the automation of the push card assembly during the production process of the relay, and it needs to be done manually. It is conducive to the improvement of the stability and reliability of the finished relay, but also reduces the production efficiency of the relay, increases the production cost, and has poor practicability;

[0007] 3. The plug-in assembly structure between the push card and the armature, and between the push card and the moving reed, no matter during production and assembly or when the finished product is in service, it is easy to break due to friction and scratches at their plug-in assembly parts. Generate lint that affects the electrical performance, which is not conducive to the improvement and protection of the stability and reliability of the relay

[0008] To sum up, due to the structural characteristics of the push card itself, the existing push card relays have the technical problems of low operating efficiency and poor economy in the production process of the applied relays. The technical problems of poor performance and reliability need to be improved and solved urgently

Images