CN214505391U

CN214505391U - Small magnetic latching relay

Info

Publication number: CN214505391U
Application number: CN202120626419.3U
Authority: CN
Inventors: 邱文辉; 张彭春; 朱治国
Original assignee: XINDA ELECTRIC CO Ltd
Current assignee: XINDA ELECTRIC CO Ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2021-10-26
Anticipated expiration: 2031-03-27

Abstract

The utility model relates to a small-size magnetic latching relay, including the coil former, the yoke, armature, the movable reed, the iron core, the coil former includes the winding reel, overhead gage and lower baffle, the below of baffle forms decurrent magnet groove down, the magnet inslot is provided with the permanent magnet, the lower extreme of iron core exposes at the magnet inslot, be connected with on the iron core lower extreme and press from both sides the magnetic sheet, the permanent magnet setting is in pressing from both sides magnetic sheet below, the yoke lower extreme transversely stretches into the magnet inslot and sets up the below at the permanent magnet, the permanent magnet presss from both sides between pressing from both sides magnetic sheet and yoke, the yoke upwards extends in one side outside the coil, armature articulates in the yoke upper end, the movable reed sets up on armature, the movable reed rear end is connected on the yoke. The utility model discloses the permanent magnet setting does not occupy other spaces in the magnet inslot of coil former bottom, and simple structure does not need the increase shell just to realize moreover.

Description

Small magnetic latching relay

Technical Field

The utility model relates to an electromagnetic relay, especially a small-size magnetic latching relay.

Background

An electromagnetic relay is an electronic control device which uses smaller current and lower voltage to control larger current and higher voltage, is usually applied to an automatic control circuit, and plays the roles of automatic regulation, safety protection, circuit conversion and the like in the circuit. The magnetic latching relay is an electromagnetic relay which keeps normally closed, and the magnetic latching relay is larger in size due to the fact that a magnet is required to be installed, cannot be installed in the same shell and cannot meet the requirements of some application occasions.

Disclosure of Invention

In view of this, the present invention provides a small magnetic latching relay with simple structure and small volume.

In order to realize above mesh, the utility model discloses a small-size magnetic latching relay, including the coil former, the yoke, armature, the movable reed, the iron core has been worn to put in the coil former inside, around putting the coil on the coil former, the yoke sets up in coil former one side, the coil former includes the bobbin, overhead gage and lower baffle, the below of baffle forms decurrent magnet groove down, the magnet inslot is provided with the permanent magnet, the lower extreme of iron core exposes at the magnet inslot, be connected with on the iron core lower extreme and press from both sides the magnetic sheet, the permanent magnet sets up in pressing from both sides the magnetic sheet below, the yoke lower extreme transversely stretches into the magnet inslot and sets up the below at the permanent magnet, the permanent magnet presss from both sides between magnetic sheet and the yoke, the yoke upwards extends in one side outside the coil, armature articulates in the yoke upper end, the movable reed sets up on armature, the movable reed rear end is connected on the yoke.

The utility model discloses further set up as press from both sides the magnetic sheet and extend to the direction of keeping away from yoke one side from the lower extreme of iron core, the permanent magnet setting is in the magnetic sheet below of pressing from both sides of keeping away from yoke one side, and the coil frame forms the baffle between magnetic sheet and the yoke.

The utility model discloses further set up to the both sides of the lower baffle of coil former form two jacks that link up, and both ends between two jacks all form a slot, wear to put the contact pin in the jack, and the slot at both ends can select one of them to set up the contact pin.

The utility model discloses further set up as form a constant head tank on the lateral wall in magnet groove, press from both sides and correspond the constant head tank on magnetic sheet and the yoke and form the locating piece, press from both sides magnetic sheet and yoke and pass through the locating piece card and realize in the constant head tank with the fixed of coil former.

The utility model discloses further set up as the movable contact spring is provided with movable contact block in the junction outside with the yoke, forms the movable contact foot on the movable contact block.

The beneficial effects of the utility model are that the bottom of coil former sets up the permanent magnet and realizes magnetic latching, and the permanent magnet setting does not occupy other spaces in the magnet inslot of coil former bottom, and simple structure does not need the increase shell just to realize moreover.

Drawings

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

Fig. 2 is a perspective view of an embodiment of the present invention.

Fig. 3 is a perspective view of an embodiment of the present invention.

Fig. 4 is a schematic diagram of a coil assembly according to an embodiment of the present invention.

Detailed Description

The words in the upper and lower directions mentioned in the utility model are all based on the placing position of the attached drawings, and actually need to be changed correspondingly according to the different placing modes.

As shown in fig. 1 to 4, a specific embodiment of the present invention is a small magnetic latching relay, which includes a coil bobbin 1, a yoke 2, an armature 3, and a movable spring 4, wherein an iron core 5 penetrates through the coil bobbin 1, a coil 6 is wound on the coil bobbin 1, the yoke 2 is disposed on one side of the coil bobbin 1, the coil bobbin 1 includes a coil bobbin 11, an upper baffle 12, and a lower baffle 13, a downward magnet slot 14 is formed below the lower baffle 13, a permanent magnet 7 is disposed in the magnet slot 14, a lower end of the iron core 5 is exposed in the magnet slot 14, a magnetic clamping plate 8 is connected to a lower end of the iron core 5, the magnetic clamping plate 8 extends from the lower end of the iron core 5 to a direction away from one side of the yoke 2, the permanent magnet 7 is disposed below the magnetic clamping plate 8 away from one side of the yoke 2, a lower end of the yoke 2 transversely extends into the magnet slot 14 and is disposed below the permanent magnet 7, the permanent magnet 7 is clamped between the magnetic clamping plate 8 and the yoke 2, a positioning groove 15 is formed in the side wall of a magnet groove 14, positioning blocks 21 are formed on a magnetic clamping plate 8 and a yoke 2 corresponding to the positioning grooves 15, the magnetic clamping plate 8 and the yoke 2 are clamped in the positioning grooves 15 through the positioning blocks 21 to be fixed with a coil frame 1, the coil frame 1 forms a partition plate 16 between the magnetic clamping plate 8 and the yoke 2, one side of the yoke 2 outside a coil 6 extends upwards, an armature 3 is hinged to the upper end of the yoke 2, a movable spring 4 is arranged on the armature 3, the rear end of the movable spring 4 is connected to the yoke 2, two penetrating insertion holes 17 are formed in two sides of a lower baffle 13 of the coil frame 1, an insertion groove 18 is formed in each of two ends between the two insertion holes 17, an insertion pin 10 penetrates through the insertion holes 17, one of the insertion grooves 18 in each of the two ends can be provided with an insertion pin 10, a movable contact block 9 is arranged on the outer side of the connection position of the movable spring 4 and the yoke 2, and a movable contact pin 91 is formed on the movable contact block 9.

Claims

1. The utility model provides a small-size magnetic latching relay, includes coil former, yoke, armature, movable reed, and the iron core has been worn to put in coil former inside, and around putting the coil on the coil former, the yoke sets up in coil former one side, its characterized in that: the coil former includes the winding reel, overhead gage and lower baffle, the below of baffle forms decurrent magnet groove down, the magnet inslot is provided with the permanent magnet, the lower extreme of iron core exposes at the magnet inslot, be connected with on the iron core lower extreme and press from both sides the magnetic sheet, the permanent magnet setting is in pressing from both sides the magnetic sheet below, the yoke lower extreme transversely stretches into the magnet inslot and sets up the below at the permanent magnet, the permanent magnet presss from both sides between magnetic sheet and the yoke, the yoke upwards extends in one side outside the coil, armature articulates in the yoke upper end, the movable reed sets up on armature, the movable reed rear end is connected on the yoke.

2. The miniature magnetic latching relay of claim 1, wherein: the magnetic clamping plate extends from the lower end of the iron core to the direction far away from one side of the yoke, the permanent magnet is arranged below the magnetic clamping plate far away from one side of the yoke, and the coil frame forms a partition plate between the magnetic clamping plate and the yoke.

3. The miniature magnetic latching relay of claim 2, wherein: two penetrating jacks are formed in two sides of the lower baffle of the coil rack, two slots are formed in two ends between the two jacks, pins penetrate through the jacks, and one of the slots at two ends can be selected to be provided with the pins.

4. A miniature magnetic latching relay according to claim 1, 2 or 3, wherein: and a positioning groove is formed in the side wall of the magnet groove, positioning blocks are formed on the magnetic clamping plate and the yoke corresponding to the positioning grooves, and the magnetic clamping plate and the yoke are clamped in the positioning grooves through the positioning blocks to realize the fixation with the coil rack.

5. A miniature magnetic latching relay according to claim 1, 2 or 3, wherein: and a movable contact block is arranged on the outer side of the joint of the movable spring and the yoke, and a movable contact pin is formed on the movable contact block.