CN220526831U - Magnetic circuit system of magnetic latching relay and magnetic latching relay - Google Patents

Magnetic circuit system of magnetic latching relay and magnetic latching relay Download PDF

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Publication number
CN220526831U
CN220526831U CN202322236157.1U CN202322236157U CN220526831U CN 220526831 U CN220526831 U CN 220526831U CN 202322236157 U CN202322236157 U CN 202322236157U CN 220526831 U CN220526831 U CN 220526831U
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China
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magnetic
armature
yoke
latching relay
circuit system
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CN202322236157.1U
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Chinese (zh)
Inventor
代文广
何仲波
黄庆阳
钟叔明
申昆明
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Xiamen Hongfa Electric Power Controls Co Ltd
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Xiamen Hongfa Electric Power Controls Co Ltd
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Priority to CN202322236157.1U priority Critical patent/CN220526831U/en
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Abstract

The utility model discloses a magnetic circuit system of a magnetic latching relay and the magnetic latching relay, wherein the magnetic circuit system comprises a coil rack, a coil and a yoke assembly, and the yoke assembly is provided with a first matching part and a second matching part which are positioned outside the coil rack; the magnetic iron assembly comprises a yoke iron component, and is characterized by also comprising an armature and at least one magnetic steel, wherein the magnetic steel is relatively fixed with the yoke iron component, and one magnetic pole of the magnetic steel is directly or through a first magnetic conduction piece contacted or contacted and connected with the yoke iron component; the armature is arranged in a rotating way, two ends of the armature are alternately contacted and matched with the yoke iron component through rotation, a first matching part of the yoke iron component is used for being contacted and matched with one end of the armature, and a second matching part of the yoke iron component is used for being contacted and matched with the other end of the armature; the other magnetic pole of the magnetic steel is directly or through a second magnetic conduction piece to be contacted with the armature iron. According to the utility model, the armature and the magnetic steel are assembled and matched, integral insert injection molding is not needed, and the production efficiency of parts is improved.

Description

Magnetic circuit system of magnetic latching relay and magnetic latching relay
Technical Field
The utility model relates to the field of relays, in particular to a magnetic circuit system of a magnetic latching relay and the magnetic latching relay.
Background
An electromagnetic relay is an electronic control device which is commonly used in automatic control circuits and is actually an "automatic switch" which uses a smaller current to control a larger current, thus playing roles in automatic regulation, safety protection, switching circuits, etc. in the circuit.
The magnetic latching relay is one kind of electromagnetic relay, its magnetic circuit part includes coil frame, armature assembly, coil wound on the coil frame, yoke assembly inserted in the coil frame, its armature assembly is shown in figure 1, including two armatures 1 ', a magnet steel 2' and a plastic piece 3 ', the plastic piece 3' forms a whole with two armature 1 ', magnet steel 2' integral insert injection molding. However, this armature assembly has the following problems: long production period, low production efficiency and high part processing cost. The magnetic steel 2 'and the two armatures 1' are put into the mould manually during injection molding, so that the operation efficiency is low; the high requirement of insert injection molding on the positioning of the parts also leads to the difficulty in placing the parts into the mold; the injection molding process is high-temperature injection molding, and the injection molding can be demolded and manually taken out after cooling.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a magnetic circuit system of a magnetic latching relay and the magnetic latching relay, wherein an armature and magnetic steel are assembled and matched, integral insert injection molding is not needed, and the production efficiency of parts is improved.
The technical scheme adopted for solving the technical problems is as follows: the magnetic circuit system of the magnetic latching relay comprises a coil rack, a coil wound on the coil rack and a yoke assembly inserted in the coil rack, wherein the yoke assembly is provided with a first matching part and a second matching part which are positioned outside the coil rack; the magnetic iron assembly comprises a yoke iron component, an armature iron and at least one magnetic steel, wherein the yoke iron component is fixedly connected with the armature iron component, and one magnetic pole of the magnetic steel is directly or through a first magnetic conduction piece in contact or contact connection with the yoke iron component; the armature iron is arranged in a rotating way, two ends of the armature iron are alternately contacted and matched with the yoke iron component through rotation, a first matching part of the yoke iron component is used for being contacted and matched with one end of the armature iron, and a second matching part of the yoke iron component is used for being contacted and matched with the other end of the armature iron; the other magnetic pole of the magnetic steel is directly or through a second magnetic conduction piece to be contacted with the armature iron.
Further, a first chamfer surface is arranged at one end of the armature, a second chamfer surface is arranged at the other end of the armature, the first chamfer surface is used for being in surface contact fit with the first matching surface, and the second chamfer surface is used for being in surface contact fit with the second matching surface.
Further, the armature is in line-surface contact fit with the other magnetic pole of the magnetic steel or the second magnetic conductive piece.
Further, a convex part is arranged in the middle of the armature, and is provided with a convex cambered surface which is in line-surface contact fit with the other magnetic pole of the magnetic steel or the second magnetic conduction piece; the protruding portion is elongated and extends in a direction parallel to a rotation axis of the armature.
Further, one of the magnetic poles of the magnetic steel is laterally inserted into the coil frame and is in contact or contact connection with the yoke assembly, and the other magnetic pole of the magnetic steel is located outside the coil frame and is in contact with the middle part of the armature.
Further, the number of the magnetic steels is two, one magnetic pole of the two magnetic steels is respectively contacted with or connected with the yoke iron component, and the other magnetic pole of the two magnetic steels is respectively contacted with the middle part of the armature iron through the second magnetic conduction piece.
Further, the yoke assembly comprises two yokes, one ends of the two yokes are respectively inserted into the coil rack and are fixed in an opposite way, or the yoke assembly comprises two yokes and an iron core, and one ends of the two yokes are respectively connected with two ends of the iron core penetrating through the coil rack in a contact way; the other ends of the two yokes respectively form a first matching part and a second matching part, and the first matching part and the second matching part are oppositely arranged.
Further, one magnetic pole of the magnetic steel is in contact or contact connection with the yoke assembly through a first magnetic conduction piece, and the other magnetic pole of the magnetic steel is in contact with the armature through a second magnetic conduction piece; the armature is bent, the armature is rotationally connected to the second magnetic conduction piece, and the first magnetic conduction piece is integrally formed with or in contact with one of the yoke assemblies.
Further, the armature comprises a first support arm and a second support arm, the first support arm and the second support arm are in transition at a corner part, and the corner part is rotationally connected to one end of the second magnetic conduction piece; the first matching part is positioned at a position suitable for being in contact fit with the end part of the first support arm, and the second matching part is positioned at a position suitable for being in contact fit with the end part of the second support arm and is integrally formed or in contact connection with the first magnetic conduction piece.
The utility model further provides a magnetic latching relay, which comprises the magnetic circuit system of the magnetic latching relay.
Further, the armature is rotatably connected to the housing and/or the base of the relay.
Compared with the prior art, the utility model has the following beneficial effects:
1. because the utility model also comprises an armature and at least one magnetic steel, the magnetic steel is relatively fixed with the yoke assembly, and one magnetic pole of the magnetic steel is directly or through a first magnetic conduction piece contacted or contacted with the yoke assembly; the armature is arranged in a rotating way, two ends of the armature are in alternating contact fit with the yoke iron component through rotation, and the other magnetic pole of the magnetic steel is in direct contact with the armature iron or through the second magnetic conduction piece, so that the armature and the magnetic steel form the armature component of the magnetic circuit system in an assembling fit mode, integral insert injection molding is not needed, the production efficiency of parts is improved, the parts can be assembled in a single machine automatic assembling mode, and the assembly efficiency of the parts is improved.
2. The one end of armature is equipped with first chamfer face, the other end of armature is equipped with the second chamfer face for can the face contact cooperation when armature and yoke subassembly contact, thereby improve magnetic conduction efficiency.
3. The armature iron is in line-surface contact fit with the other magnetic pole of the magnetic steel or the second magnetic conduction piece, so that the contact area of the armature iron and the magnetic steel or the second magnetic conduction piece can be greatly reduced, and the abrasion to the magnetic steel or the second magnetic conduction piece is reduced. In particular, the magnetic steel is contacted with the armature through the second magnetic conduction piece, so that the magnetic steel can be prevented from being worn due to direct contact friction with the armature.
The utility model is described in further detail below with reference to the drawings and examples; the magnetic circuit system of the magnetic latching relay of the present utility model is not limited to the embodiment.
Drawings
Fig. 1 is a cross-sectional view of a prior art armature assembly;
FIG. 2 is a schematic perspective view of a magnetic circuit system according to an embodiment of the present utility model;
fig. 3 is a front view of a magnetic circuit system of the present utility model according to an embodiment;
FIG. 4 is a schematic perspective view of a magnetic circuit system according to an embodiment of the present utility model;
fig. 5 is a front view of a magnetic circuit system of the present utility model according to an embodiment;
FIG. 6 is a schematic perspective view of a magnetic circuit system according to an embodiment of the present utility model;
fig. 7 is a front view of a magnetic circuit system of the present utility model;
in the figure, 1 ', armature, 2 ', magnetic steel, 3 ', plastic piece, 1, coil component, 2, armature, 21, convex part, 22, first chamfer surface, 23, second chamfer surface, 24, first support arm, 25, second support arm, 3, magnetic steel, 4, yoke, 41, first matching part, 42, second matching part, 5, second magnetic conduction piece, 6 and first magnetic conduction piece.
Detailed Description
In the present disclosure, the terms "first," "second," and the like are used merely to distinguish between similar objects and not necessarily to describe a particular sequence or order, nor are they to be construed as indicating or implying a relative importance. In addition, in the description of the present application, "and/or" describing the association relationship of the association object means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
Referring to fig. 2 and 3, a magnetic circuit system of a magnetic latching relay of the present utility model includes a coil frame, an armature assembly, a coil wound on the coil frame, and a yoke assembly inserted in the coil frame, wherein the coil frame and the coil wound thereon form a coil assembly 1 (the component denoted by reference numeral 1 in the figure simply illustrates the coil assembly, and is not an actual structure of the coil assembly). The yoke assembly has a first engagement portion 41 and a second engagement portion 42 located outside the bobbin. The utility model also comprises an armature 2 and a magnetic steel 3, wherein the magnetic steel 3 is relatively fixed with the yoke assembly, and one magnetic pole of the magnetic steel 3 is directly contacted or connected with the yoke assembly; the armature 2 is rotatably arranged, and in particular, the armature 2 is rotatably connected to a base and/or a shell of the magnetic latching relay in a teeterboard mode. The armature 2 is rotated to enable two ends of the armature to be in alternating contact fit with the yoke assembly, a first fit portion 41 of the yoke assembly is used for being in contact fit with one end of the armature 2, and a second fit portion 42 of the yoke assembly is used for being in contact fit with the other end of the armature 2; the other pole of the magnetic steel 3 is directly contacted with the armature 2. The contact means that the two parts only have contact relationship and have no connection relationship, and the contact connection means that the two parts are not only in contact but also fixedly connected together, and in the embodiment, the connection mode of the contact connection includes a connection mode such as welding or riveting.
In this embodiment, a first chamfer surface 22 is disposed at one end of the armature 2, a second chamfer surface 23 is disposed at the other end of the armature 2, the first chamfer surface 22 is configured to be in surface contact with the first mating portion 41, and the second chamfer surface 23 is configured to be in surface contact with the second mating portion 42. Thus, the magnetic conduction efficiency can be improved.
In this embodiment, the armature 2 is in line-surface contact with another magnetic pole of the magnetic steel 3, so that the contact area between the armature 2 and the magnetic steel 3 can be greatly reduced, and the abrasion to the magnetic steel 3 is reduced. Specifically, a convex part 21 is arranged in the middle of one surface of the armature 2 facing the magnetic steel 3, the convex part 21 is provided with a convex cambered surface, and the cambered surface is in line-surface contact fit with the other magnetic pole of the magnetic steel 3. The protruding portion 21 is elongated and extends in a direction parallel to the rotation axis of the armature 2.
In this embodiment, one of the magnetic poles of the magnetic steel 3 is laterally inserted into the coil former and is in contact with or in contact with the yoke assembly, and the other magnetic pole of the magnetic steel 3 is located outside the coil former and is in contact with the arc surface of the protruding portion 21 provided in the middle of the armature 2. The magnetic steel 3 can be fixedly inserted into the coil rack. Specifically, one of the magnetic poles of the magnetic steel 3 is inserted into the coil frame from the middle part of the side surface of the coil frame, so that two magnetic loops formed on two sides of the magnetic steel 3 are symmetrical or approximately symmetrical.
In this embodiment, the yoke assembly includes two yokes 4, one ends of the two yokes 4 are respectively inserted into the coil frame and are fixed by opposite insertion, the other ends of the two yokes 4 respectively form the first engaging portion 41 and the second engaging portion 42, and the first engaging portion 41 and the second engaging portion 42 are disposed opposite to each other. In other embodiments, the yoke assembly comprises two yokes and an iron core, the two yokes are respectively L-shaped, and one ends of the two yokes are respectively in contact connection with two ends of the iron core penetrating through the coil frame.
When the magnetic circuit system of the magnetic latching relay works, when the coil is excited, the armature 2 swings under the combined action of the magnetic steel 3 and the yoke iron component, so that one end of the armature 2 contacts with the first matching part 41, and a complete magnetic loop is formed among the armature 2, the magnetic steel 3 and one yoke iron; when the coil is de-energized, the armature 2 swings in the opposite direction to make the other end contact with the second mating portion 42 of the yoke assembly, and at this time, another complete magnetic circuit is formed between the armature 2, the magnetic steel 3 and the other yoke.
According to the magnetic circuit system of the magnetic latching relay, the armature 2 and the magnetic steel 3 form the armature 2 assembly of the magnetic circuit system in an assembling and matching mode, and integral insert injection molding is not needed, so that the production efficiency of parts is improved, the assembly can be realized in a single machine automatic assembling mode, and the assembly efficiency of the parts is improved. Furthermore, the present utility model may eliminate one armature 2 part compared to prior art armature 2 assemblies, thereby facilitating reduced material costs.
Example two
Referring to fig. 4 and 5, the magnetic circuit system of the magnetic latching relay of the present utility model is different from the first embodiment in that: the number of the magnetic steels 3 is two, the two magnetic steels 3 are respectively arranged on two opposite sides of the second magnetic conduction piece 5, one magnetic pole of the two magnetic steels 3 is respectively contacted or connected with the yoke iron component, and the other magnetic pole of the two magnetic steels 3 is respectively contacted with the middle part of the armature 2 through the second magnetic conduction piece 5. The material of the second magnetic conductive member 5 is identical to the material of the armature 2. The second magnetic conductive member 5 is in a block shape. The armature 2 is likewise connected in a rocker-like manner to the base and/or the housing of the magnetic latching relay.
In this embodiment, the yoke assembly is configured in a manner identical to that of the above embodiment, the two magnetic steels 3 are symmetrically disposed and parallel to the axis of the coil frame, the two magnetic steels 3 are respectively located between the first mating portion 41, the second mating portion 42 and the coil assembly, and one magnetic pole of the two magnetic steels 3 is respectively in contact with or connected with the two yokes 4 of the yoke assembly.
In this embodiment, the armature 2 is in line-surface contact with the second magnetic conductive member 5. Specifically, a convex part 21 is disposed in the middle of a surface of the armature 2 facing the second magnetic conductive member 5, and the convex part 21 is provided with a convex arc surface, and the arc surface is in line-surface contact fit with the second magnetic conductive member 5. The protruding portion 21 is elongated and extends in a direction parallel to the rotation axis of the armature 2.
In this embodiment, a first chamfer surface 22 is disposed at one end of the armature 2, a second chamfer surface 23 is disposed at the other end of the armature 2, the first chamfer surface 22 is configured to be in surface contact with the first mating portion 41, and the second chamfer surface 23 is configured to be in surface contact with the second mating portion 42. Thus, the magnetic conduction efficiency can be improved.
When the magnetic circuit system of the magnetic latching relay works, when the coil is excited, the armature 2 swings under the combined action of the magnetic steel 3 and the yoke iron component, so that one end of the armature 2 is contacted with the first matching part 41, and at the moment, a complete magnetic loop is formed among the armature 2, one of the magnetic steel 3, one of the yoke iron and the second magnetic conduction piece 5; when the coil is deenergized, the armature 2 swings reversely, so that the other end of the armature contacts with the second matching part 42 of the yoke assembly, and at the moment, another complete magnetic circuit is formed among the armature 2, the other magnetic steel 3, the other yoke and the second magnetic conduction piece 5.
According to the magnetic circuit system of the magnetic latching relay, the armature 2 and the magnetic steel 3 form the armature 2 assembly of the magnetic circuit system in an assembling and matching mode, and integral insert injection molding is not needed, so that the production efficiency of parts is improved, the assembly can be realized in a single machine automatic assembling mode, and the assembly efficiency of the parts is improved. In particular, the other magnetic pole of the magnetic steel 3 is in contact with the armature 2 through the second magnetic conduction piece 5, so that the abrasion of the magnetic steel 3 caused by direct rotation friction between the armature 2 and the magnetic steel 3 can be avoided.
Example III
Referring to fig. 6 and 7, the magnetic circuit system of the magnetic latching relay of the present utility model is different from the above embodiments in that: one of the magnetic poles of the magnetic steel 3 is contacted or contacted and connected with the yoke assembly through a first magnetic conduction piece 6, the other magnetic pole of the magnetic steel 3 is contacted with the armature 2 through a second magnetic conduction piece 5, the magnetic steel 3 is arranged between the first magnetic conduction piece 6 and the second magnetic conduction piece 5, and in fig. 7, the magnetic steel 3 is transversely arranged so that the magnetic pole faces on two sides of the magnetic steel are respectively opposite to the first magnetic conduction piece 6 and the second magnetic conduction piece 5, and the magnetic attraction efficiency is higher and the attraction is more stable. The armature 2 is bent, the armature 2 is rotatably connected to the second magnetic conductive member 5, and the first magnetic conductive member 6 is integrally formed with or in contact with one of the yoke assemblies. The first magnetic conduction piece 6 and the second magnetic conduction piece 5 are respectively plate-shaped, and the materials of the first magnetic conduction piece 6 and the second magnetic conduction piece 5 are respectively the same as the materials of the armature 2.
In this embodiment, the armature 2 includes a first support arm 24 and a second support arm 25, where the first support arm 24 and the second support arm 25 transition at corner portions, and specifically, the armature 2 has a substantially L-shape. The corner portion is rotatably connected to one end of the second magnetic conductive member 5, the first engaging portion 41 is located at a position suitable for contact engagement with the end of the first support arm 24, and the second engaging portion 42 is located at a position suitable for contact engagement with the end of the second support arm 25 and is integrally formed or in contact connection with the first magnetic conductive member. Specifically, the first engaging portion 41 is located outside one end of the bobbin, and the second engaging portion 42 is located outside the bobbin. The end of the first arm 24 and the end of the second arm 25 refer to the ends remote from the corner portions, respectively.
In this embodiment, the yoke assembly includes two yokes 4, one ends of the two yokes 4 are respectively inserted into the coil frame and are fixed in a butt-inserting manner, wherein one yoke is L-shaped, and the other end is located outside one end of the coil and forms the first matching portion 41; the other yoke is bent several times so that the other end thereof is positioned at a position substantially coplanar with the second magnetic conductive member 5 and forms the second fitting portion 42, and the first magnetic conductive member 6 is bent and integrally formed with the second fitting portion 42, but not limited thereto, and in other embodiments, the first magnetic conductive member is in contact connection with the second fitting portion. In other embodiments, the yoke assembly comprises two yokes and an iron core inserted in the coil frame, wherein one ends of the two yokes are respectively in contact connection with two ends of the iron core.
In this embodiment, one end of the armature 2 (i.e. the end of the first arm 24) is provided with a first chamfer surface 22, the other end of the armature 2 (i.e. the end of the second arm 25) is provided with a second chamfer surface 23, the first chamfer surface 22 is used for surface-contacting and matching with the first matching portion 41, and the second chamfer surface 23 is used for surface-contacting and matching with the second matching portion 42. Thus, the magnetic conduction efficiency can be improved.
When the magnetic circuit system of the magnetic latching relay works, when the coil is excited, the armature 2 swings under the combined action of the magnetic steel 3, the yoke iron component and the like, so that the end part of the first support arm 24 contacts with the first matching part 41, and at the moment, a complete magnetic loop is formed among the first support arm 24, the first magnetic conduction piece 6, the magnetic steel 3, the two yokes 4 and the second magnetic conduction piece 5 of the armature 2; when the coil is de-energized, the armature 2 swings reversely, so that the end of the second support arm 25 contacts with the second matching part 42 of the yoke assembly, and at this time, another complete magnetic circuit is formed among the second support arm 25, the second matching part 42, the first magnetic conducting piece 6, the magnetic steel 3 and the second magnetic conducting piece 5 of the armature 2.
According to the magnetic circuit system of the magnetic latching relay, the armature 2 and the magnetic steel 3 form the armature component of the magnetic circuit system in an assembling and matching mode, and integral insert injection molding is not needed, so that the production efficiency of parts is improved, and the assembly can be carried out in a single machine automatic assembling mode, and the assembly efficiency of the parts is improved. In particular, the other magnetic pole of the magnetic steel 3 is in contact with the armature 2 through the second magnetic conduction piece 5, so that the abrasion of the magnetic steel 3 caused by direct rotation friction between the armature 2 and the magnetic steel 3 can be avoided.
The utility model relates to a magnetic latching relay, which comprises a base, a shell, a contact part and a magnetic circuit system of the magnetic latching relay, wherein the magnetic circuit system of the magnetic latching relay is in any embodiment.
The utility model relates to a magnetic latching relay, and relates to a structure and an operating principle of a magnetic circuit system of the magnetic latching relay, and the description thereof is omitted herein.
The magnetic latching relay of the present utility model is not related to the same or available in the prior art.
The above embodiments are only used for further illustrating a magnetic circuit system of a magnetic latching relay and the magnetic latching relay of the present utility model, but the present utility model is not limited to the embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the scope of the technical solution of the present utility model.

Claims (10)

1. The magnetic circuit system of the magnetic latching relay comprises a coil rack, a coil wound on the coil rack and a yoke assembly inserted in the coil rack, wherein the yoke assembly is provided with a first matching part and a second matching part which are positioned outside the coil rack; the method is characterized in that: the magnetic iron assembly comprises a yoke iron component, an armature iron and at least one magnetic steel, wherein the yoke iron component is fixedly connected with the armature iron component, and one magnetic pole of the magnetic steel is directly or through a first magnetic conduction piece in contact or contact connection with the yoke iron component; the armature iron is arranged in a rotating way, two ends of the armature iron are alternately contacted and matched with the yoke iron component through rotation, a first matching part of the yoke iron component is used for being contacted and matched with one end of the armature iron, and a second matching part of the yoke iron component is used for being contacted and matched with the other end of the armature iron; the other magnetic pole of the magnetic steel is directly or through a second magnetic conduction piece to be contacted with the armature iron.
2. The magnetic circuit system of a magnetic latching relay according to claim 1, wherein: the one end of armature is equipped with first chamfer face, the other end of armature is equipped with the second chamfer face, first chamfer face be used for with first cooperation facial surface contact cooperation, the second chamfer face be used for with the cooperation of second cooperation facial surface contact.
3. The magnetic circuit system of a magnetic latching relay according to claim 1, wherein: the armature iron is in line-surface contact fit with the other magnetic pole of the magnetic steel or the second magnetic conduction piece.
4. A magnetic circuit system of a magnetic latching relay according to claim 3, wherein: the middle part of the armature is provided with a convex part, the convex part is provided with a convex cambered surface, and the cambered surface is in line-surface contact fit with the other magnetic pole of the magnetic steel or the second magnetic conductive piece; the protruding portion is elongated and extends in a direction parallel to a rotation axis of the armature.
5. The magnetic circuit system of a magnetic latching relay according to any one of claims 1-4, wherein: one of the magnetic poles of the magnetic steel is laterally inserted into the coil frame and is in contact or contact connection with the yoke assembly, and the other magnetic pole of the magnetic steel is positioned outside the coil frame and is in contact with the middle part of the armature.
6. The magnetic circuit system of a magnetic latching relay according to any one of claims 1-4, wherein: the number of the magnetic steels is two, one magnetic pole of the two magnetic steels is respectively contacted or connected with the yoke assembly, and the other magnetic pole of the two magnetic steels is respectively contacted with the middle part of the armature through the second magnetic conductive piece.
7. The magnetic circuit system of a magnetic latching relay according to any one of claims 1-4, wherein: the yoke assembly comprises two yokes, one ends of the two yokes are respectively inserted into the coil rack and are fixed in a butt-inserting way, or the yoke assembly comprises two yokes and an iron core, and one ends of the two yokes are respectively connected with two ends of the iron core penetrating through the coil rack in a contact way; the other ends of the two yokes respectively form a first matching part and a second matching part, and the first matching part and the second matching part are oppositely arranged.
8. The magnetic circuit system of a magnetic latching relay according to any one of claims 1-4, wherein: one magnetic pole of the magnetic steel is contacted or connected with the yoke iron component through a first magnetic conduction piece, and the other magnetic pole of the magnetic steel is contacted with the armature iron through a second magnetic conduction piece; the armature is bent, the armature is rotationally connected to the second magnetic conduction piece, and the first magnetic conduction piece is integrally formed with or in contact with one of the yoke assemblies.
9. The magnetic circuit system of a magnetically held relay according to claim 8, wherein: the armature comprises a first support arm and a second support arm, the first support arm and the second support arm are in transition at a corner part, and the corner part is rotationally connected to one end of the second magnetic conduction piece; the first matching part is positioned at a position suitable for being in contact fit with the end part of the first support arm, and the second matching part is positioned at a position suitable for being in contact fit with the end part of the second support arm and is integrally formed or in contact connection with the first magnetic conduction piece.
10. A magnetic latching relay, characterized by: a magnetic circuit system comprising the magnetic latching relay as claimed in any one of claims 1 to 9.
CN202322236157.1U 2023-08-18 2023-08-18 Magnetic circuit system of magnetic latching relay and magnetic latching relay Active CN220526831U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322236157.1U CN220526831U (en) 2023-08-18 2023-08-18 Magnetic circuit system of magnetic latching relay and magnetic latching relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322236157.1U CN220526831U (en) 2023-08-18 2023-08-18 Magnetic circuit system of magnetic latching relay and magnetic latching relay

Publications (1)

Publication Number Publication Date
CN220526831U true CN220526831U (en) 2024-02-23

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Application Number Title Priority Date Filing Date
CN202322236157.1U Active CN220526831U (en) 2023-08-18 2023-08-18 Magnetic circuit system of magnetic latching relay and magnetic latching relay

Country Status (1)

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CN (1) CN220526831U (en)

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