CN218241712U - Magnetic latching relay convenient to replace - Google Patents

Abstract

The application relates to a magnetic latching relay convenient to replace, relating to the technical field of magnetic latching relays; the device comprises a shell, a choke iron, a conductive pin, an armature iron assembly and a pushing sheet, wherein the choke iron, the conductive pin and the armature iron assembly are positioned in the shell; the conductive pin is provided with a movable contact spring, the push sheet is provided with an insertion slot for inserting the movable contact spring, and the push sheet is detachably arranged on the conductive pin through the insertion slot. This application has made things convenient for the staff to dismantle and change the promotion piece through slot and movable contact spring, has improved the simplicity and convenience that promotes piece dismantlement work.

Description

Magnetic latching relay convenient to replace

Technical Field

The application relates to the technical field of relays, in particular to a magnetic latching relay convenient to replace.

Background

The magnetic latching relay is an automatic switch, which plays the role of automatic switch-on and switch-off to the circuit, and is different from other relays in that the normally closed or normally open state of the magnetic latching relay completely depends on the action of permanent magnetic steel, and the switching of the switch state is completed by the triggering of pulse electric signals with certain width.

The existing magnetic latching relay on the market comprises a shell, a coil arranged in the shell, a choke iron arranged on the coil, an armature component rotationally arranged in the shell, a pushing piece arranged in the shell in a sliding manner, and a static contact piece and a movable contact piece which are arranged in the shell, wherein the pushing piece is arranged below the static contact piece and the movable contact piece and is used for pushing the movable contact piece to be contacted with the static contact piece; when the magnetic latching relay is connected with a forward current, the pushing sheet pushes the movable contact piece to be kept in a contact state with the static contact piece under the action of the armature component, at the moment, a circuit is conducted, and when a power supply of the magnetic latching relay is disconnected, the movable contact piece and the static contact piece are continuously conducted; when the magnetic latching relay is switched on to carry out reverse current, the movable contact piece and the static contact piece are kept in a disconnected state under the pushing of the pushing piece, and at the moment, the circuit is disconnected.

Aiming at the magnetic latching relay, the inventor finds that when the pushing piece needs to be replaced, a worker needs to firstly remove the movable contact piece and the static contact piece from the shell to remove and replace the pushing piece, so that great inconvenience is brought to replacement of the pushing piece.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of promotion piece change, this application provides a magnetic latching relay convenient to change.

The application provides a magnetic latching relay convenient to change adopts following technical scheme:

a magnetic latching relay convenient to replace comprises a shell, a choke iron, a conductive pin, an armature iron assembly and a pushing piece, wherein the choke iron, the conductive pin and the armature iron assembly are positioned in the shell; the conductive pin is provided with a movable contact spring, the pushing piece is provided with a slot for inserting the movable contact spring, and the pushing piece is detachably arranged on the conductive pin through the slot.

By adopting the technical scheme, when the pushing piece is installed in the shell, the slot is aligned with the movable contact piece, then the pushing piece is inserted into the shell, and the pushing piece can be limited and fixed in the shell through the insertion and matching of the slot and the movable contact piece; when the pushing piece needs to be replaced, the pushing piece only needs to be moved to the direction far away from the shell to separate the movable contact piece from the slot, and the conductive pins and the pushing piece do not need to be taken out of the shell together, so that the pushing piece is convenient to detach and replace by workers, and the convenience of detaching the pushing piece is improved.

Optionally, the casing can be dismantled in be provided with be used for with promote the spacing anticreep piece in the casing of piece, be provided with the locking post on the anticreep piece, be provided with in the casing and be used for supplying locking post male locking groove.

By adopting the technical scheme, after the pushing sheet is arranged in the shell, the locking column is aligned with the locking groove, then the locking column is inserted into the locking groove, and at the moment, the anti-falling sheet can be limited and fixed in the shell through the insertion fit of the locking column and the locking groove; the anti-falling sheet can prevent the pushing sheet from falling off from the shell, thereby improving the stability of the pushing sheet in the shell during sliding.

Optionally, the armature assembly is provided with a limiting column, the anti-falling piece is provided with a limiting hole for the limiting column to be inserted into, and the limiting column is matched with the limiting hole in shape.

Through adopting above-mentioned technical scheme, when inserting the locking post to locking inslot, spacing post will insert to spacing downthehole, and through the grafting cooperation in spacing post and spacing hole this moment, just can be spacing armature subassembly in the casing to armature subassembly stability when rotating has been improved.

Optionally, a limiting block is arranged in the shell, and the limiting block is used for contacting with the outer side wall of the yoke iron.

By adopting the technical scheme, when the choke iron is installed in the shell, the choke iron can be limited and fixed in the shell through the limiting block, so that the situation that the choke iron is pushed to slide when the armature component rotates is prevented, and the stability of the choke iron in the shell is improved; meanwhile, the transverse moving range of the armature component can be limited through the limiting block, so that the armature component can be accurately attracted with the corresponding choke iron.

Optionally, the armature assembly includes a rotating column for pushing the pushing sheet to slide, and a limiting groove for allowing the rotating column to be inserted is formed in the pushing sheet.

Through adopting above-mentioned technical scheme, provide the impetus for rotating the post through the spacing groove, insert the pulse signal of telecommunication back in the coil, rotate the post and will rotate to contradict each other with the spacing inslot lateral wall under the combined action of armature subassembly effect and choking iron to the promotion catch that can be smooth slides, thereby ensured smooth and relative static contact or separation separately of movable contact spring.

Optionally, an arc surface is arranged on the outer side wall of the end part of the rotating column.

By adopting the technical scheme, when the rotating column is inserted into the limiting groove, the rotating column can be guided by the arc surface, so that the rotating column can be conveniently inserted into the limiting groove by a worker; the arrangement of the arc surface enables the end part of the rotating column to rotate in the limiting groove in a small range, and therefore the sensitivity of the rotating column in rotation is improved.

Optionally, a reinforcing rib is arranged on the rotating column.

Through adopting above-mentioned technical scheme, the setting up of strengthening rib has strengthened the structural strength who rotates the post, has improved the stability when rotating the post rotation.

Optionally, a slide is arranged in the casing, the pushing sheet is arranged in the slide in a sliding manner, and the slide is matched with the pushing sheet.

Through adopting above-mentioned technical scheme, the slide can carry on spacingly to the slurcam, reduces the slurcam and takes place the skew at the in-process that slides, has improved the stability when the slurcam slides, finally can make more accurate and the static contact of movable contact piece contact.

In summary, the present application includes at least one of the following beneficial technical effects:

1. only need to promote the piece to the direction of keeping away from the casing remove to movable contact spring and slot separation can, need not to take out conductive pin and promotion piece together in the casing to made things convenient for the staff to dismantle and change promotion piece, improved the simplicity and convenience of promotion piece dismantlement work.

2. The slide can carry on spacingly to the promotion piece, reduces the promotion piece and takes place the skew at the in-process that slides, has improved the stability when promotion piece slides, finally can make more accurate and the static contact of movable contact piece contact.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a partial schematic view of the highlighted peel-off preventing member of FIG. 1.

Fig. 3 is a partially exploded view of the protruding push plate and rotating post of fig. 2.

FIG. 4 is a partial schematic view showing the lock groove.

Description of reference numerals: 1. a housing; 10. a coil; 11. choking iron; 12. a conductive pin; 120. a movable contact spring; 13. an anti-drop sheet; 131. a locking post; 132. a limiting hole; 14. a locking groove; 15. a limiting block; 16. a slideway; 2. an armature assembly; 21. a limiting column; 22. rotating the column; 221. a circular arc surface; 222. reinforcing ribs; 3. a push sheet; 31. a slot; 32. a limiting groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a magnetic latching relay convenient to replace. Referring to fig. 1 and 2, the magnetic latching relay convenient to replace includes a housing 1, a coil 10 disposed in the housing 1 and used for receiving a pulse electrical signal, and two groups of conductive pins 12 symmetrically disposed in the housing 1, a movable contact 120 disposed on the conductive pins 12 in the same group, and a static contact corresponding to the movable contact 120. The device also comprises an armature component 2 which is rotatably arranged in the shell 1, and pushing pieces 3 which are slidably arranged in the shell 1, wherein the pushing pieces 3 are used for pushing the movable contact pieces 120 to be contacted with or separated from the corresponding static contact pieces.

Referring to fig. 2, 3 and 4, a slide way 16 extending along the sliding path of the movable contact 120 is formed in the housing 1, and the pushing piece 3 is slidably disposed in the slide way 16. The outer side wall of the pushing piece 3 is provided with a slot 31 for inserting the movable contact piece 120, the shape of the slot 31 is matched with that of the movable contact piece 120, and the pushing piece 3 is detachably arranged on the conductive pin 12 through the slot 31. When the pushing sheet 3 needs to be replaced, the pushing sheet 3 only needs to be moved to the direction far away from the shell 1 until the movable contact piece 120 is separated from the slot 31, and the conductive pin 12 and the pushing sheet 3 do not need to be taken out of the shell 1 together, so that the pushing sheet 3 is convenient for workers to detach and replace, and the convenience of detaching the pushing sheet 3 is improved.

Referring to fig. 3 and 4, the armature assembly 2 includes a plastic member, a permanent magnet disposed inside the plastic member, and two sets of armature pieces disposed at two ends of the permanent magnet, and the two sets of armature pieces are disposed in parallel to each other. The coil 10 is fixedly provided with chokes 11 at both ends, and the chokes 11 are used for contacting with armature sheets on the armature component 2. Two limiting blocks 15 which are symmetrically arranged are integrally formed on the inner side wall of the shell 1, and the limiting blocks 15 are used for being in mutual contact with the outer side walls of the corresponding chokes 11 and limiting and fixing the corresponding chokes 11 in the shell 1.

Referring to fig. 3, the rotating column 22 is integrally formed on the plastic part of the armature assembly 2, the outer side wall of the end part of the rotating column 22 far away from the plastic part is provided with an arc surface 221, the outer side wall of the pushing sheet 3 is provided with a limiting groove 32 for inserting the end part of the rotating column 22, and the limiting groove 32 extends along the height direction of the pushing sheet 3. Two sets of ribs 222 are integrally formed on the outer sidewall of the rotary column 22, and the ribs 222 are symmetrically distributed on two sides of the rotary column 22.

Referring to fig. 2, fig. 3, fig. 4, can dismantle in the casing 1 and be provided with anticreep piece 13, integrated into one piece has two locking posts 131 that are the symmetry and set up on anticreep piece 13's the lateral wall, be provided with on casing 1's the inside wall with locking post 131 one-to-one locking groove 14, locking groove 14 is used for supplying respective locking post 131 that corresponds to insert, anticreep piece 13 is spacing fixed in casing 1 through the grafting cooperation of locking groove 14 with locking post 131. The outer side wall of the anti-release sheet 13 is penetrated with a limiting hole 132, a limiting column 21 is integrally formed on the plastic part of the armature component 2, the limiting hole 132 is used for inserting the limiting column 21, and the shape of the limiting column 21 is matched with that of the limiting hole 132. After the worker installs anti-slip sheet 13 in casing 1, anti-slip sheet 13 will contact each other with the top lateral wall of propelling movement piece 3 to the stability of propelling movement piece 3 placing in casing 1 has been improved.

The implementation principle of the magnetic latching relay convenient to replace in the embodiment of the application is as follows: when the pushing sheet 3 is installed in the shell 1, the slot 31 is aligned with the movable contact piece 120, then the pushing sheet 3 is inserted into the shell 1, and at the moment, the pushing sheet 3 can be limited and fixed in the shell 1 through the insertion fit of the slot 31 and the movable contact piece 120; when the pushing sheet 3 needs to be replaced, the pushing sheet 3 is moved in a direction away from the housing 1 until the movable contact piece 120 is separated from the slot 31, and the conductive pin 12 and the pushing sheet 3 do not need to be taken out of the housing 1 together, so that the pushing sheet 3 is convenient for workers to detach and replace, and the convenience of detaching the pushing sheet 3 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A magnetic latching relay convenient to replace comprises a shell (1), a choke iron (11) positioned in the shell (1), a conductive pin (12), an armature component (2) rotatably arranged in the shell (1), and a pushing sheet (3) slidably arranged in the shell (1); the method is characterized in that: the conductive pin (12) is provided with a movable contact piece (120), the push piece (3) is provided with a slot (31) for the movable contact piece (120) to be inserted, and the push piece (3) is detachably arranged on the conductive pin (12) through the slot (31).

2. A magnetic latching relay for facilitating replacement according to claim 1, wherein: the anti-falling device is characterized in that an anti-falling piece (13) used for limiting the pushing piece (3) in the shell (1) is detachably arranged in the shell (1), a locking column (131) is arranged on the anti-falling piece (13), and a locking groove (14) used for allowing the locking column (131) to be inserted is formed in the shell (1).

3. A magnetic latching relay for easy replacement according to claim 2, wherein: be provided with spacing post (21) on armature subassembly (2), be provided with on anticreep piece (13) and be used for supplying spacing post (21) male spacing hole (132), spacing post (21) with the shape looks adaptation of spacing hole (132).

4. A magnetic latching relay for facilitating replacement according to claim 1, wherein: a limiting block (15) is arranged in the shell (1), and the limiting block (15) is used for being in contact with the outer side wall of the choke iron (11).

5. A magnetic latching relay for easy replacement according to claim 1, wherein: the armature component (2) comprises a rotating column (22) used for pushing the pushing sheet (3) to slide, and a limiting groove (32) used for allowing the rotating column (22) to be inserted is arranged on the pushing sheet (3).

6. A magnetic latching relay for easy replacement according to claim 5, wherein: and the outer side wall of the end part of the rotating column (22) is provided with an arc surface (221).

7. A magnetic latching relay convenient for replacement according to claim 6 is characterized in that a reinforcing rib (222) is provided on the rotating column (22).

8. A magnetic latching relay for easy replacement according to claim 1, wherein: be provided with slide (16) in casing (1), promote piece (3) and slide and set up in slide (16), just slide (16) and promotion piece (3) looks adaptation.

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