CN202502949U

CN202502949U - Magnetic latching relay

Info

Publication number: CN202502949U
Application number: CN2012200416259U
Authority: CN
Inventors: 陈长桥
Original assignee: XIAMEN PLID AUTOMOBILE ELECTRONIC CO Ltd
Current assignee: XIAMEN PLID AUTOMOBILE ELECTRONIC CO Ltd
Priority date: 2012-02-09
Filing date: 2012-02-09
Publication date: 2012-10-24
Anticipated expiration: 2022-02-09

Abstract

The utility model discloses a magnetic latching relay. The relay comprises a shell body and an upper cover. A side in the shell body is provided with a fixed spring and a movable spring; the other side of the shell body is provided with a solenoid. Two ends of the solenoid are connected to two oppositely arranged L-shaped armatures. A driving block is arranged in the middle of the shell body. Two elongated yokes penetrate the driving block with both ends of the yokes extending out from the driving block. A magnetic steel in the middle of the driving block is arranged between the two yokes. An upper surface and a lower surface of the driving block are provided with rotating shafts. A middle portion of the shell body is provided with a rotating shaft positioning hole which cooperates with the rotating shaft on the lower surface of the driving block. A driving end arranged on the driving block is connected with a push plate. The push plate is connected to the movable spring. A plurality of guide columns are arranged inside the shell body. The upper cover is provided with a plurality of guide column positioning holes which cooperate with the plurality of guide columns inside the shell body; and a middle portion of the upper cover is provided with a rotating shaft positioning hole which cooperates with the rotating shaft on the upper surface of the driving block. The magnetic latching relay of the utility model is advantaged in simple structure, convenient assembly and reduced production cost.

Description

A kind of magnetic latching relay

Technical field

The utility model relates to the electromagnetic relay technical field, especially a kind of magnetic latching relay.

Background technology

Magnetic latching relay is that magnet steel is introduced magnetic loop, behind coil blackout, and the state the when armature of relay still can remain on coil electricity, it is the electromagnetic relay with two stable states.Known a kind of magnetic latching relay is shown in accompanying drawing 1, and after it needed locating piece 1a and housing 2a to locate each other, the rotation axis 33a of drive block 3a upper end could utilize the pre-processed axis hole 11a of locating piece 1a to obtain the location; Owing to need locating piece 1a to come to do the location to drive block 3a; Locating piece 1a and housing 2a will locate each other simultaneously, so the internal structure more complicated of housing, and assembly process is many simultaneously; Both influence working (machining) efficiency, also increased manufacturing cost.

The utility model content

The technical problem that the utility model will solve provides a kind of magnetic latching relay, and is simple in structure, easy to assembly, reduced production cost.

For achieving the above object, the technical scheme of the utility model is: a kind of magnetic latching relay comprises housing, loam cake; Side in the housing is equipped with static contact spring piece and movable contact spring, and static contact spring piece and movable contact spring are provided with corresponding contact, and the opposite side in the housing is equipped with solenoid; Iron core is equipped with at the center of solenoid, and the iron core two ends connect two L type armature that are provided with in opposite directions, and a drive block is equipped with in the centre of housing; Be installed with the yoke of two strips on the drive block at interval, the two ends of the yoke of two strips are stretched out and are formed two U type grooves outside the drive block, and the free end of two L type armature stretches in said two U type grooves; A magnet steel is equipped with in the centre of drive block between two yokes; The upper and lower surface of drive block is provided with rotation axis, and the centre of housing is provided with the rotation axis of rotation axis location hole below drive block and matches, and drive block is provided with drive end and is connected with a push pedal; Push pedal is connected with movable contact spring again; Be provided with a plurality of leads in the housing, on a plurality of leads of being covered with in a plurality of lead location holes and the housing match, the centre of loam cake is provided with the rotation axis location hole and matches with rotation axis above the drive block.

Lead in the preferred described housing is two, on to be covered with the lead location hole be two also, structure is simplified more.

For flexibly connecting, make that moving of movable contact spring is more flexible between the drive end of preferred described push pedal and drive block.

Further improve, described housing neighboring is provided with a plurality of convexities, and the neighboring of loam cake is provided with a plurality of draw-in grooves and matches with a plurality of convexities of housing neighboring, can make housing and loam cake adopt the buckle-type assembly method to fix, and further improves assembly performance.

The utility model is owing to be provided with a plurality of leads in housing, on be covered with a plurality of lead location holes and match with the interior a plurality of leads of housing, the centre of loam cake is provided with the rotation axis location hole and matches with rotation axis above the drive block; Drive block is to position through loam cake; Therefore having saved needs locating piece to do the location to drive block, has not only saved material but also reduced assembly process, simple in structure; Easy to assembly, effectively reduce production costs.

Description of drawings

Fig. 1 is the stereogram that a kind of known magnetic latching relay is pulled down loam cake and locating piece.

Fig. 2 is the front view that the utility model is pulled down loam cake.

Fig. 3 is the utility model loam cake stereogram.

Fig. 4 is that the master that the utility model drive block is equipped with two yokes and a magnet steel looks enlarged drawing.

Fig. 5 is the utility model three-dimensional exploded view.

Fig. 6 is the contact closure state schematic diagram mutually of the utility model static contact spring piece and movable contact spring.

Fig. 7 is the contact disengaged condition schematic diagram mutually of the utility model static contact spring piece and movable contact spring.

Embodiment

Below in conjunction with accompanying drawing and concrete execution mode the utility model is done further explain.

Fig. 2 is to shown in Figure 5, and a kind of magnetic latching relay comprises housing 1, loam cake 2; Side in the housing 1 is equipped with static contact spring piece 3 and movable contact spring 4, and static contact spring piece 3 is provided with

corresponding contact

31,41 with movable contact spring 4, and the opposite side in the housing 1 is equipped with solenoid 5; Iron core 51 is equipped with at the center of solenoid 5, and iron core 51 two ends connect two L type armature 52 that are provided with in opposite directions, and a drive block 6 is equipped with in the centre of housing 1; The two ends of yoke 7 that are installed with at interval 7, two strips of yoke of two strips on the drive block 6 are stretched out the free end that forms 71, two L types of two U type grooves armature 52 outside the drive block 6 and are stretched in the said U type groove 71; A magnet steel 8 is equipped with in the centre of drive block 6 between two yokes 7; The upper and lower surface of drive block is provided with rotation axis 61, and the centre of housing 1 is provided with the rotation axis 61 of rotation axis location hole 11 below drive block 6 and matches, and drive block 6 is provided with drive end 62 and a push pedal 9 flexibly connects; Push pedal 9 is connected with movable contact spring 4 again

Be provided with two leads 12 in the housing 1, loam cake 2 is provided with two lead location holes 22 and matches with housing 1 two interior leads 12, and the centre of loam cake 2 is provided with rotation axis location hole 21 and matches with drive block 6 top rotation axiss 61.

Be provided with four convexities 13 in housing 1 neighboring, the neighboring of loam cake 2 is provided with four draw-in grooves 23 and matches with four convexities 13 of housing 1 neighboring, and loam cake 2 can adopt buckle-type to fix with housing 1 like this, further improves assembly performance.

The operating principle of the utility model is following:

Shown in Figure 6; Be the N utmost point, be the S utmost point near an end of coil like magnet steel 8 away from an end of coil, when the leading foot 53 of solenoid 5 positive electricity, leading foot 54 during negative electricity, according to right-hand rule; The upper end of solenoid 5 is the S utmost point; The lower end of solenoid 5 is the N utmost point, and drive block 6 was rotated counterclockwise and made near the yoke 7 of solenoid 5 and armature 52 adhesives of upper end under the effect of magnet steel 8 magnetic force this moment; Away from the yoke 7 of solenoid 5 and armature 52 adhesives of lower end; The drive end 62 of drive block 6 moves to the direction away from solenoid 5 through push pedal 9 promotion movable contact springs 4 simultaneously, makes that the contact 41 on the movable contact spring 4 is closed mutually with the contact 31 on the static contact spring piece 3, the exit 42 of movable contact spring 4 and exit 32 mutual conduction of static contact spring piece 3.

Shown in Figure 7; Be the N utmost point, be the S utmost point near an end of coil like magnet steel 8 away from an end of coil, when the leading foot 53 of solenoid 5 negative electricity, leading foot 54 during positive electricity, according to right-hand rule; The upper end of solenoid 5 is the N utmost point; The lower end of solenoid 5 is the S utmost point, and drive block 6 turned clockwise and made away from the yoke 7 of solenoid 5 and armature 52 adhesives of upper end under the effect of magnet steel 8 magnetic force this moment; Near the yoke 7 of solenoid 5 and armature 52 adhesives of lower end; Simultaneously the drive end 62 of drive block 6 moves to the direction near solenoid 5 through push pedal 9 pulling movable contact springs 4, makes that the contact 41 on the movable contact spring 4 is separated with contact 31 on the static contact spring piece 3, and the exit 42 of movable contact spring 4 breaks off with the exit 32 of static contact spring piece 3 each other.

Below only be preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection range of this case.

Claims

1. a magnetic latching relay comprises housing, loam cake, and the side in the housing is equipped with static contact spring piece and movable contact spring; Static contact spring piece and movable contact spring are provided with corresponding contact, and the opposite side in the housing is equipped with solenoid, and iron core is equipped with at the center of solenoid; The iron core two ends connect two L type armature that are provided with in opposite directions, and a drive block is equipped with in the centre of housing, are installed with the yoke of two strips on the drive block at interval; The two ends of the yoke of two strips are stretched out and are formed two U type grooves outside the drive block; The free end of two L type armature stretches in said two U type grooves, and a magnet steel is equipped with in the centre of drive block between two yokes, and the upper and lower surface of drive block is provided with rotation axis; The centre of housing is provided with the rotation axis of rotation axis location hole below drive block and matches; Drive block is provided with drive end and is connected with a push pedal, and push pedal is connected with movable contact spring again, it is characterized in that: be provided with a plurality of leads in the housing; On a plurality of leads of being covered with in a plurality of lead location holes and the housing match, the centre of loam cake is provided with the rotation axis location hole and matches with rotation axis above the drive block.

2. a kind of magnetic latching relay according to claim 1 is characterized in that: the lead in the described housing is two, on be covered with the lead location hole and also be two.

3. a kind of magnetic latching relay according to claim 1 is characterized in that: be flexible connection between the drive end of described push pedal and drive block.

4. according to each described a kind of magnetic latching relay of claim 1 to 3, it is characterized in that: described housing neighboring is provided with a plurality of convexities, and the neighboring of loam cake is provided with a plurality of draw-in grooves and matches with a plurality of convexities of housing neighboring.