Solenoid straight-through type relay

Abstract

The invention relates to the technical field of relays, in particular to a solenoid straight-through type relay, which comprises a base, and a magnetic circuit component, a contact component and a pushing card which are arranged on the base, wherein the magnetic circuit component controls contact or separation of the contacts of the contact component through the pushing card, the magnetic circuit component comprises a coil holder and an iron core, the coil holder is provided with a through hole in the contact and separation direction of the contacts for one end of the pushing card to enter, a coil is wound outside the coil holder to form a magnetic control loop, the iron core and the pushing card are connected to form an iron core component, theiron core componentcan linearly move in the coil holder, the iron core component is matched with the coil holder through hole to form a circumferential anti-rotation structure, the iron core is sheet-shaped, and one side of the iron core in the thickness direction and one side of the pushing card are provided with at least one connecting position, so that the side surface of the iron core is matched with the side surface of the pushing card, and the iron core drives the pushing card to move back and forth. According to the invention, the iron core is low in machining difficulty, the assembling process of the iron core and the pushing card is simpler, more convenient and faster, and the stability of linear motion of the whole formed iron core component in the coil holder is guaranteed.

Description

technical field [0001] The invention relates to the technical field of relays, in particular to a solenoid straight-through relay. Background technique [0002] The iron core part 1' in the current magnetic latching relay is formed by connecting the iron core 11' and the push card 12'. There are two connection schemes. Figure 1-2 As shown, the iron core 11 ′ of the common iron core part 1 ′ is a cylindrical iron core 11 ′, and one end of the cylindrical iron core 11 ′ is connected with a threaded push card 12 ′ by forming a turning hole and threaded. The iron core part 1' is complicated to process, has many processes, and the cost is too high. Moreover, the position of the friction area of ​​the cylindrical iron core 11' and the relative movement of the wire rack is also uncontrollable, which is prone to deviation; The magnetic circuit between the magnet and the cylindrical iron core 11' is that the permanent magnet magnetic level plane cooperates with the circular arc of t...

AI Technical Summary

Problems solved by technology

[0002] The iron core part 1' in the current magnetic latching relay is formed by connecting the iron core 11' and the push card 12'. There are two connection schemes, one is referred to Figure 1-2 As shown, the iron core 11' of the common iron core part 1' is a cylindrical iron core 11', and one end of the cylindrical iron core 11' is connected with the threaded push card 12' by forming a turning hole and threading. The iron core part 1' is complex to process, has many procedures, and the cost is too high, and the position of the friction area where the cylindrical iron core 11' moves relative to the wire frame is also uncontrollable, and deviations are prone to occur; when it is made into a magnetic holding structure, the permanent The magnetic circuit between the magnet and the cylindrical iron core 11' is a combination of a permanent magnet magnetic level plane and a circular arc of the cylindrical iron core 11', and the matching reluctance is relatively large; Figure 3-5 As shown, the iron core 11' of the iron core part 1' is a sheet iron core 11', by making one end of it into a non-closed annular through hole, and pushing the end of the card 12' to form a bump and an annular through hole. The holes are matched and connected to form the iron core part 1'. In this scheme, only one end of the sheet iron core 11' is connected to the push card 12', and the other end is not connected, which is prone to shaking and poor stability, and the sheet iron core 11' There will also be a certain space gap at the connection with the push card 12', which is prone to relative rotation and poor stability and reliability

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