CN111081500A - Clapper type electromagnetic relay with auxiliary contact - Google Patents
Clapper type electromagnetic relay with auxiliary contact Download PDFInfo
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- CN111081500A CN111081500A CN201911404924.7A CN201911404924A CN111081500A CN 111081500 A CN111081500 A CN 111081500A CN 201911404924 A CN201911404924 A CN 201911404924A CN 111081500 A CN111081500 A CN 111081500A
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- auxiliary
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- spring
- static
- armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
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- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a clapper type electromagnetic relay with an auxiliary contact, which comprises a base, a magnetic circuit part and a contact part, wherein the magnetic circuit part is arranged on the base; the magnetic circuit part comprises a coil, an armature, an iron core and a yoke iron; the contact part comprises a movable spring, a static spring, an auxiliary movable spring and an auxiliary static spring; the movable spring is fixedly connected with the armature through an insulating part, the movable spring and the armature are respectively positioned in front of and behind the insulating part to form electric isolation, the static spring and the auxiliary static spring are arranged on the base, a driving contact is arranged on the movable spring, a main static contact is arranged on the static spring, an auxiliary static contact is arranged on the auxiliary static spring, the auxiliary movable spring is partially embedded into the insulating part, and partially extends out of the side surface of the insulating part, an auxiliary movable contact is arranged on the auxiliary movable spring, when the armature and the armature are attracted, the driving contact is engaged with the corresponding main static contact, and simultaneously, the auxiliary movable contact is engaged with the corresponding auxiliary static contact. The invention can monitor the working state of the electromagnetic relay or increase the working loop, and ensure that the working loop and the monitoring loop do not interfere with each other or different working loops do not interfere with each other.
Description
Technical Field
The invention relates to the technical field of electromagnetic relay manufacturing, in particular to a clapper type electromagnetic relay with auxiliary contacts.
Background
An electromagnetic relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), and is generally applied to an automatic control circuit, and actually is an automatic switch for controlling a larger current and a higher voltage by using a smaller current and a lower voltage. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
The clapper type electromagnetic relay is a common electromagnetic relay in electromagnetic relays, and for example, Chinese patent inventions with patent numbers ZL201310353982.2 and ZL201610521661.8 have related structures which disclose clapper type electromagnetic relays. The clapper type electromagnetic relay has the advantages of compact structure and small volume. However, it usually only can be used with one movable spring, and only one working circuit can be controlled, which is difficult to control more working circuits. If the working state of the relay needs to be monitored, only a monitoring signal can be led out from the static spring end, so that the interference on a working loop cannot be avoided.
Disclosure of Invention
The invention aims to provide a clapper type electromagnetic relay with an auxiliary contact, which can monitor the working state of the electromagnetic relay or increase working loops and can ensure that the working loops and the monitoring loops do not interfere with each other or different working loops do not interfere with each other.
In order to achieve the purpose, the technical scheme of the invention is as follows: a clapper type electromagnetic relay with an auxiliary contact comprises a base, a magnetic circuit part and a contact part; the magnetic circuit part comprises a coil, an armature, an iron core and a yoke iron; the contact portion includes a movable spring and a stationary spring; the movable spring is provided with a driving contact, the static spring is provided with a main static contact, the static spring is arranged on the base, each driving contact corresponds to one main static contact, an elastic part is connected between the armature and the yoke, the armature is attracted with or separated from the iron core to realize the clapping type action, the movable spring is fixedly connected with the armature through an insulating part, the movable spring and the armature are respectively positioned in front of and behind the insulating part to form electric isolation, the contact part also comprises an auxiliary movable spring and an auxiliary static spring, the auxiliary static spring is arranged on the base, the auxiliary static spring is provided with an auxiliary static contact, the auxiliary movable spring is partially embedded into the insulating part, and partially extends out of the side surface of the insulating part, the auxiliary movable spring outside the insulating part is provided with an auxiliary movable contact, and each auxiliary movable contact corresponds to one auxiliary static contact;
when the armature is engaged with the iron core, each active contact is engaged with the corresponding main fixed contact, and each auxiliary movable contact is engaged with the corresponding auxiliary fixed contact; when the armature iron is separated from the iron core, each driving contact is separated from the corresponding main fixed contact, and each auxiliary moving contact is separated from the corresponding auxiliary fixed contact.
Preferably, the auxiliary movable spring is in an inverted U shape, the middle part of the auxiliary movable spring is embedded in the middle of the insulating part and is integrally molded with the insulating part, two auxiliary static springs are arranged on the bases on two sides of the armature, auxiliary movable contacts are arranged at two ends of the auxiliary movable spring, and when each auxiliary movable contact is connected with the corresponding auxiliary static contact, the two auxiliary static springs are mutually conducted. Therefore, the structure is compact, a bridge type conduction structure can be formed, and the action reliability is higher.
Preferably, the movable spring comprises an insulation connecting part and an inverted U-shaped conducting strip, the upper part of the inverted U-shaped conducting strip and the insulation connecting part are molded into a whole, two ends of the inverted U-shaped conducting strip are fixedly connected with an active contact respectively, the insulation connecting part, the insulation part and the armature are fixedly connected together in a riveting mode, the number of the static springs is two, and when each active contact is connected with the corresponding active static contact, the two static springs are mutually conducted.
Further, the insulator is provided with a flange at the periphery of the movable spring, and the creepage distance between the movable spring and the auxiliary movable spring is increased through the flange. The mutual interference between the movable spring and the auxiliary movable spring can be further prevented.
Preferably the elastic component is a tension spring, a first spring connecting convex part is arranged in the middle of one side, away from the movable spring, of the yoke, a second spring connecting convex part is arranged in the middle of the upper side of the armature, and the elastic component is connected between the first spring connecting convex part and the second spring connecting convex part.
Furthermore, two coil pins are mounted on the base, a conductive clamping groove is formed in the upper end of each coil pin, and each conductive clamping groove is clamped with a welding head at one end of the coil enameled wire. Thus, the assembly is convenient, and the reliability of coil connection can be improved.
The auxiliary static spring comprises a pin connecting part and an auxiliary static contact fixing part, the pin connecting part is fixedly connected with the base, the auxiliary static contact fixing part is L-shaped, one end of the auxiliary static contact fixing part is fixedly connected with the pin connecting part, and the other end of the auxiliary static contact fixing part is fixedly connected with the auxiliary static contact. The auxiliary static spring with the structure can better improve the assembly performance of the electromagnetic relay. Particularly, the auxiliary static contact and the auxiliary static spring are convenient to rivet, and the problems that the difficulty of riveting the auxiliary static contact is high, and parts are scratched and scraped during injection molding are solved.
Furthermore, the pin connecting part and the base are molded together, a notch is reserved on the base, the notch and part of the pin connecting part form a groove, and one end of the auxiliary stationary contact fixing part is embedded in the groove and is fixedly connected with the pin connecting part in a riveting mode. The mutual riveting assembly of the auxiliary stationary contact fixing part and the pin connecting part is further facilitated.
And furthermore, a plurality of gluing through holes are formed in the pin connecting part, and when the pin connecting part and the base are subjected to injection molding, base materials are filled into the gluing through holes. This can improve the connection strength of the pin connection part and the base.
Furthermore, a positioning hole is formed in the pin connecting portion, a positioning convex portion is arranged at one end of the auxiliary stationary contact fixing portion, and the positioning convex portion is matched with the positioning hole. Therefore, the connection precision of the pin connecting part and the auxiliary fixed contact fixing part can be improved, the pin connecting part and the auxiliary fixed contact fixing part are prevented from rotating mutually, the positioning accuracy of the auxiliary contact is improved, and the reliability of the combination of the auxiliary movable contact and the auxiliary fixed contact can also be improved.
The positioning hole is square, the positioning convex part is square, the inner side surface of the positioning hole, which is parallel to the axial direction of the coil, is defined as a first inner side surface, and the inner side surface of the positioning hole, which is vertical to the axial direction of the coil, is defined as a second inner side surface; defining the outer side surface of the positioning convex part parallel to the axial direction of the coil as a first outer side surface, and defining the outer side surface of the positioning convex part vertical to the axial direction of the coil as a second outer side surface; the first outer side surface is contacted and matched with the first inner side surface, and at least one second outer side surface is not contacted with one second inner side surface. Therefore, the positioning effect is achieved, the pin connecting part and the auxiliary stationary contact fixing part are prevented from rotating mutually, the axial auxiliary stationary contact fixing part of the coil is adjusted in a certain position relative to the pin connecting part, and the auxiliary stationary contact fixing part can be conveniently riveted and fixedly connected with the pin connecting part.
The contact part also comprises an auxiliary moving spring and two auxiliary static springs, the two auxiliary static springs are arranged on the base, the auxiliary static springs are provided with auxiliary static contacts, the auxiliary moving spring is partially embedded into the insulating part, and partially extends out of the side surface of the insulating part, the auxiliary moving contact is arranged on the auxiliary moving spring outside the insulating part, and each auxiliary moving contact corresponds to one auxiliary static contact. Therefore, the movable spring and the auxiliary movable spring can be driven to act simultaneously through the action of the armature, a loop can be added through the matching of the two static springs and the two auxiliary movable springs, and when the added loop is used for monitoring, the working state of the electromagnetic relay can be monitored; when this addition loop is used for control, a work loop can be added.
And because the additional loop is not electrically connected with the original main loop, the movable spring is positioned in front of the insulating part, and the auxiliary movable spring is partially embedded into the insulating part and partially extends out of the side surface of the insulating part, so that the movable spring and the auxiliary movable spring are ensured to have enough electric isolation distance. The added auxiliary loop and the original main loop do not interfere with each other. When the main circuit is used as a high-pressure circuit and the auxiliary circuit is used as a low-pressure circuit, the high-pressure circuit and the low-pressure circuit do not interfere with each other. When the auxiliary loop is used for monitoring, the working loop and the monitoring loop do not interfere with each other.
Drawings
FIG. 1 is a bottom perspective view of the present invention;
FIG. 2 is a top perspective view of the concealed housing of the present invention;
FIG. 3 is an exploded perspective view of FIG. 2;
FIG. 4 is a perspective view of two auxiliary stationary springs attached to the base;
fig. 5 is a perspective view of the auxiliary stationary contact fixing part of the auxiliary stationary spring of fig. 4 separated from the pin connecting part;
fig. 6 is a perspective view of an auxiliary stationary contact fixing portion of an auxiliary stationary spring being connected with a pin connecting portion;
FIG. 7 is an exploded perspective view of FIG. 6;
fig. 8 is a perspective view of the armature, insulator and movable spring separated from each other.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 8, a clapper type electromagnetic relay with an auxiliary contact includes a base 1, a magnetic circuit portion and a contact portion; the magnetic circuit part comprises a coil 2, an armature 3, an iron core 4 and a yoke 5, wherein the coil 2 is wound on a coil framework 20, the coil framework 20 is fixedly connected with the base 1, the iron core 4 is arranged in a central hole of the coil framework 20, and the yoke 5 is fixedly connected with the coil framework 20 and the base 1; the contact part comprises a movable spring 6, an auxiliary movable spring 7, two static springs 8 and two auxiliary static springs 9; be equipped with two initiative contacts 61 on the movable spring 6, be equipped with a main stationary contact 81 on every stationary spring 8, two stationary springs 8 dress are on base 1, and every initiative contact 61 is corresponding with a main stationary contact 81, and 3 one ends of armature are connected yoke 5 and can be rotated for yoke 5, are connected with elastic component 35 between armature 3 and the yoke 5, elastic component 35 is the extension spring, yoke 5 keeps away from be equipped with first spring coupling convex part 51 in the middle of 6 one side of movable spring, be equipped with second spring coupling convex part 31 in the middle of 3 upsides of armature, elastic component 35 is connected between first spring coupling convex part 51 and second spring coupling convex part 31, and armature 3 and 4 actuation or break away from and realize clapping formula action.
The movable spring 6 is fixedly connected with the armature 3 through an insulating part 10, the movable spring 6 and the armature 3 are respectively positioned in front of and behind the insulating part 10 to form electric isolation, two auxiliary static springs 9 are arranged on the base 1 at two sides of the armature 3, and each auxiliary static spring 9 is provided with an auxiliary static contact 91; the auxiliary movable spring 7 is in an inverted U shape, the middle part of the auxiliary movable spring 7 is embedded in the middle of the insulating part 10 and is molded integrally with the insulating part 10, two ends of the auxiliary movable spring 7 respectively extend out of two sides of the insulating part 10, each end of the auxiliary movable spring 7 is provided with an auxiliary movable contact 71, each auxiliary movable contact 71 corresponds to one auxiliary fixed contact 91, and when each auxiliary movable contact 71 is connected with the corresponding auxiliary fixed contact 91, the two auxiliary fixed springs 9 are mutually conducted.
When the armature 3 is attracted to the iron core 4, each active contact 61 is engaged with the corresponding main fixed contact 81, while each auxiliary movable contact 71 is engaged with the corresponding auxiliary fixed contact 91; when the armature 3 is disengaged from the iron core 4, each of the active contacts 61 is disengaged from the corresponding main stationary contact 81, while each of the auxiliary movable contacts 71 is disengaged from the corresponding auxiliary stationary contact 91.
The movable spring 6 comprises an insulation connecting portion 6a and an inverted U-shaped conducting strip 6b, the upper portion of the inverted U-shaped conducting strip 6b and the insulation connecting portion 6a are integrally molded through injection, two ends of the inverted U-shaped conducting strip 6b are fixedly connected with an active contact 61 respectively, the insulation connecting portion 6a, the insulation piece 10 and the armature 3 are fixedly connected together through riveting of two rivets 60, and when each active contact 61 is connected with a corresponding main stationary contact 81, two stationary springs 8 are mutually conducted.
The insulator 10 is provided with a flange 101 at the periphery of the movable spring 6, and the flange 101 is used for increasing the creepage distance between the movable spring 6 and the auxiliary movable spring 7.
The base 1 is fixedly connected with a cover 11, and the cover 11 covers the magnetic circuit part and part of the contact part.
Two coil pins 12 are further inserted into the base 1, a conductive clamping groove 121 is formed in the upper end of each coil pin 12, and each conductive clamping groove 121 is clamped with the welding head 21 at one end of an enameled wire of the coil 2, so that the coil pins 12 are electrically connected with the enameled wire of the coil 2.
The auxiliary static spring 9 comprises a pin connecting part 9a and an auxiliary static contact fixing part 9b, the pin connecting part 9a is fixedly connected with the base 1, the auxiliary static contact fixing part 9b is L-shaped, one end of the auxiliary static contact fixing part 9b is riveted with the pin connecting part 9a, and the other end of the auxiliary static contact fixing part is fixedly connected with the auxiliary static contact 91.
The method specifically comprises the following steps: the pin connecting part 9a is partially injected with the base 1, a notch is reserved on the base 1, the notch and part of the pin connecting part 9a form a groove 1a, and one end of the auxiliary stationary contact fixing part 9b is embedded in the groove 1a and riveted with the pin connecting part 9a through a rivet 90.
The pin connecting part 9a is provided with a positioning hole 91a, one end of the auxiliary stationary contact fixing part 9b is provided with a positioning convex part 91b, and the positioning convex part 91b is matched with the positioning hole 91a so as to improve the connection precision of the pin connecting part 9a and the auxiliary stationary contact fixing part 9b, prevent the pin connecting part 9a and the auxiliary stationary contact fixing part 9b from rotating mutually and improve the positioning precision of the auxiliary stationary contact 91.
Preferably, the positioning hole 91a is square, the positioning protrusion 91b is square, and an inner side surface of the positioning hole 91a parallel to the axial direction of the coil is defined as a first inner side surface 911a, and an inner side surface of the positioning hole 91a perpendicular to the axial direction of the coil is defined as a second inner side surface 912 a; the outer side surface of the positioning convex part 91b parallel to the axial direction of the coil is defined as a first outer side surface 911b, and the outer side surface of the positioning convex part 91b vertical to the axial direction of the coil is defined as a second outer side surface 912 b; the first outer side face 911b is in contact with the first inner side face 911a, and the second outer side face 912b is not in contact with the second inner side face 912 a. That is, the distance between the two second inner side surfaces 912a is greater than the distance between the two second outer side surfaces 912 b.
Two gluing through holes 92a are formed in the pin connecting part 9a, and when the pin connecting part 9a and the base 1 are subjected to injection molding, the gluing through holes 92a are filled with the base 1 material. This can enhance the connection strength of the pin connection part 9a with the base 1.
Two arc extinguishing magnetic steels 13 are further installed on the base 1, and each arc extinguishing magnetic steel 13 is located beside one main stationary contact 81.
The upper part of the base 1 is also clamped with an insulating cover 14, and the insulating cover 14 covers part of the static spring 8 to improve the insulating property. The bobbin 20 is positioned on the base 1 by the insulating cover 14.
The working process of the embodiment is as follows: a power supply is introduced through two coil pins 12, a coil 2 is electrified to generate magnetic force, an iron core 4 attracts an armature 3, the armature 3 drives an insulating part 10, a movable spring 6 and an auxiliary movable spring 7 to move, each active contact 61 is jointed with a corresponding main fixed contact 81, and each auxiliary movable contact 71 is jointed with a corresponding auxiliary fixed contact 91; at the moment, the main working circuit connected with the two static springs 8 is conducted, and if the two auxiliary static springs 9 are connected with the monitoring circuit, the main working circuit of the electromagnetic relay can be monitored to be in a working state; if two auxiliary static springs 9 are connected to the other working circuit, the other working circuit is also conducted.
When the power supply connecting the two coil pins 12 is disconnected, the coil 2 loses power, the magnetic force disappears, the elastic piece 35 pulls the armature 3 to rotate reversely and reset, the armature 3 is separated from the iron core 4, the armature 3 drives the insulating piece 10, the movable spring 6 and the auxiliary movable spring 7 to move reversely and reset, each active contact 61 is separated from the corresponding main fixed contact 81, and simultaneously, each auxiliary movable contact 71 is separated from the corresponding auxiliary fixed contact 91; at the moment, the working circuit connected with the two static springs 8 is disconnected, and if the two auxiliary static springs 9 are connected with the monitoring circuit, the main working circuit of the electromagnetic relay can be monitored to be in a non-working state; if the two auxiliary static springs 9 are connected to the other working circuit, the other working circuit is also disconnected.
The above is only a preferred embodiment of the invention and all equivalent modifications made by those skilled in the art according to the claims fall within the scope of the present invention.
Claims (10)
1. A clapper type electromagnetic relay with an auxiliary contact comprises a base, a magnetic circuit part and a contact part; the magnetic circuit part comprises a coil, an armature, an iron core and a yoke iron; the contact portion includes a movable spring and a stationary spring; be equipped with the main stationary contact on the movable spring, be equipped with main stationary contact on the quiet spring, quiet spring dress is on the base, and every main stationary contact is corresponding with a main stationary contact, is connected with the elastic component between armature and the yoke, and armature and iron core actuation or break away from to realize clapping formula action, its characterized in that: the movable spring is fixedly connected with the armature through an insulating part, the movable spring and the armature are respectively positioned in front of and behind the insulating part to form electric isolation, the contact part also comprises an auxiliary movable spring and an auxiliary static spring, the auxiliary static spring is arranged on the base, the auxiliary static spring is provided with an auxiliary static contact, the auxiliary movable spring is partially embedded into the insulating part, and partially extends out of the side surface of the insulating part, the auxiliary movable spring outside the insulating part is provided with an auxiliary movable contact, and each auxiliary movable contact corresponds to one auxiliary static contact;
when the armature is engaged with the iron core, each active contact is engaged with the corresponding main fixed contact, and each auxiliary movable contact is engaged with the corresponding auxiliary fixed contact; when the armature iron is separated from the iron core, each driving contact is separated from the corresponding main fixed contact, and each auxiliary moving contact is separated from the corresponding auxiliary fixed contact.
2. A clapper electromagnetic relay with auxiliary contacts as claimed in claim 1, wherein: the auxiliary movable spring is in an inverted U shape, the middle of the auxiliary movable spring is embedded in the middle of the insulating part and is integrally molded with the insulating part, two auxiliary static springs are arranged on the bases on two sides of the armature, auxiliary movable contacts are arranged at two ends of each auxiliary movable spring, and when each auxiliary movable contact is connected with the corresponding auxiliary static contact, the two auxiliary static springs are mutually conducted.
3. A clapper electromagnetic relay with auxiliary contacts as claimed in claim 1, wherein: the movable spring comprises an insulation connecting part and an inverted U-shaped conducting strip, the upper part of the inverted U-shaped conducting strip and the insulation connecting part are molded into a whole, two ends of the inverted U-shaped conducting strip are fixedly connected with an active contact respectively, the insulation connecting part, the insulation part and the armature are fixedly connected together in a riveting mode, two static springs are provided, and when each active contact is connected with the corresponding active static contact, the two static springs are mutually conducted;
the insulating part is provided with a flange at the periphery of the movable spring, and the creepage distance between the movable spring and the auxiliary movable spring is increased through the flange.
4. A clapper electromagnetic relay with auxiliary contacts as claimed in claim 1, wherein: the elastic piece is the extension spring, the yoke is kept away from be equipped with first spring coupling convex part in the middle of movable spring one side, be equipped with second spring coupling convex part in the middle of the armature upside, the elastic piece is connected between first spring coupling convex part and second spring coupling convex part.
5. A clapper electromagnetic relay with auxiliary contacts as claimed in claim 1, wherein: two coil pins are mounted on the base, a conductive clamping groove is formed in the upper end of each coil pin, and each conductive clamping groove is clamped with a welding head at one end of each coil enameled wire.
6. The clapper type electromagnetic relay with the auxiliary contact according to any one of claims 1 to 5, wherein: the auxiliary static spring comprises a pin connecting part and an auxiliary static contact fixing part, the pin connecting part is fixedly connected with the base, the auxiliary static contact fixing part is L-shaped, one end of the auxiliary static contact fixing part is fixedly connected with the pin connecting part, and the other end of the auxiliary static contact fixing part is fixedly connected with the auxiliary static contact.
7. The clapper type electromagnetic relay with the auxiliary contact as claimed in claim 6, wherein: the pin connecting part and the base are molded together, a notch is reserved on the base and forms a groove with part of the pin connecting part, and one end of the auxiliary stationary contact fixing part is embedded in the groove and is fixedly connected with the pin connecting part in a riveting mode.
8. The clapper type electromagnetic relay with the auxiliary contact as claimed in claim 7, wherein: the pin connecting part is provided with a plurality of gluing through holes, and when the pin connecting part and the base are subjected to injection molding, base materials are filled in the gluing through holes.
9. The clapper type electromagnetic relay with the auxiliary contact as claimed in claim 6, wherein: the pin connecting part is provided with a positioning hole, one end of the auxiliary stationary contact fixing part is provided with a positioning convex part, and the positioning convex part is matched with the positioning hole.
10. A clapper electromagnetic relay with auxiliary contacts as claimed in claim 9, wherein: the positioning hole is square, the positioning convex part is square, the inner side surface of the positioning hole, which is parallel to the axial direction of the coil, is defined as a first inner side surface, and the inner side surface of the positioning hole, which is vertical to the axial direction of the coil, is defined as a second inner side surface; defining the outer side surface of the positioning convex part parallel to the axial direction of the coil as a first outer side surface, and defining the outer side surface of the positioning convex part vertical to the axial direction of the coil as a second outer side surface; the first outer side surface is contacted and matched with the first inner side surface, and at least one second outer side surface is not contacted with one second inner side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404924.7A CN111081500A (en) | 2019-12-31 | 2019-12-31 | Clapper type electromagnetic relay with auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404924.7A CN111081500A (en) | 2019-12-31 | 2019-12-31 | Clapper type electromagnetic relay with auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111081500A true CN111081500A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911404924.7A Pending CN111081500A (en) | 2019-12-31 | 2019-12-31 | Clapper type electromagnetic relay with auxiliary contact |
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| CN (1) | CN111081500A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
| EP4276877A4 (en) * | 2021-01-06 | 2024-06-05 | Panasonic Intellectual Property Management Co., Ltd. | Electromagnetic relay |
-
2019
- 2019-12-31 CN CN201911404924.7A patent/CN111081500A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4276877A4 (en) * | 2021-01-06 | 2024-06-05 | Panasonic Intellectual Property Management Co., Ltd. | Electromagnetic relay |
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
| CN114220708B (en) * | 2021-12-24 | 2024-04-19 | 浙江正泰汽车科技有限公司 | Clapping relay |
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