WO2023139912A1 - 電磁接触器 - Google Patents

電磁接触器 Download PDF

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Publication number
WO2023139912A1
WO2023139912A1 PCT/JP2022/043018 JP2022043018W WO2023139912A1 WO 2023139912 A1 WO2023139912 A1 WO 2023139912A1 JP 2022043018 W JP2022043018 W JP 2022043018W WO 2023139912 A1 WO2023139912 A1 WO 2023139912A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting spring
groove
depth direction
armature
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/043018
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
大史 和賀井
幸悦 高谷
優志 関谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric FA Components and Systems Co Ltd
Original Assignee
Fuji Electric FA Components and Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electric FA Components and Systems Co Ltd filed Critical Fuji Electric FA Components and Systems Co Ltd
Priority to KR1020237044806A priority Critical patent/KR102807338B1/ko
Priority to CN202280047241.4A priority patent/CN117616534A/zh
Priority to JP2023575089A priority patent/JP7487853B2/ja
Publication of WO2023139912A1 publication Critical patent/WO2023139912A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements

Definitions

  • the present invention relates to an electromagnetic contactor.
  • a movable plunger is connected to a contact support via a connection spring, as shown in Patent Document 1, for example.
  • the connecting spring is a plate spring having a longitudinal direction and a lateral direction.
  • a movable plunger is fixed at the center in the longitudinal direction, and both ends in the longitudinal direction are connected by being inserted into grooves of the contact support along the lateral direction.
  • An object of the present invention is to suppress displacement of a connecting spring in an electromagnetic contactor.
  • An electromagnetic contactor includes a contact support, a movable plunger, and a connecting spring.
  • the contact support is provided on the front side in the predetermined depth direction, and has a connecting spring groove.
  • the movable plunger is provided on the far side in the depth direction and is driven by the electromagnet section.
  • the connecting spring is a plate spring, the center of which is fixed to the movable plunger, and the longitudinal tip side is inserted in the connecting spring groove along the lateral direction.
  • One of the concave portion and the convex portion is formed in the connecting spring groove, and the other of the concave portion and the convex portion is formed on the tip side of the connecting spring.
  • the concave portion and the convex portion are fitted to each other, thereby regulating the insertion position of the connecting spring in the lateral direction. Therefore, positional deviation of the connecting spring can be suppressed.
  • FIG. 11 shows a contact support and movable plunger;
  • FIG. 11 shows a contact support; It is a figure which shows a groove part and a groove part.
  • FIG. 11 shows an armature and a connecting spring; It is a figure which shows the connection state of a contact support and a movable plunger.
  • It is a figure which shows a comparative example. It is a figure which shows the groove part of 2nd embodiment, and a groove part.
  • It which shows the connection state of 2nd embodiment.
  • FIG. 1 is a diagram showing part of the electromagnetic contactor 11. As shown in FIG. Here, the magnetic contactor 11 is shown viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • the electromagnetic contactor 11 includes a contact support 12 and an electromagnet portion 13 .
  • the contact support 12 is provided on the front side in the depth direction, and the electromagnet portion 13 is provided on the back side in the depth direction.
  • FIG. 2 shows the contact support 12 and the movable plunger 14.
  • the contact support 12 and the movable plunger 14 are shown viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • the contact point support 12 is made of resin and formed in a substantially rectangular parallelepiped shape whose vertical dimension is smaller than its width dimension and depth dimension, and supports a movable contact (not shown).
  • the electromagnet part 13 has a movable plunger 14 that can move forward and backward in the depth direction.
  • the movable plunger 14 is a cylindrical iron core extending in the depth direction, and advances and retreats in the depth direction according to on/off of the electromagnet part 13 .
  • the movable plunger 14 is fixed to an armature 15 and a connecting spring 16 at its front end in the depth direction.
  • the armature 15 is a plate-shaped magnetic body having a uniform thickness and extending in the width direction and the longitudinal direction.
  • the connecting spring 16 is a metal plate spring having a substantially uniform thickness and extending in the width direction and the vertical direction, with the width direction being the longitudinal direction and the vertical direction being the short direction.
  • a connection spring 16 is superimposed on the front side of the armature 15 in the depth direction and fixed to the movable plunger 14 together.
  • the movable plunger 14 is connected to the contact support 12 by inserting the armature 15 and the connection spring 16 into the depth direction of the contact support 12 along the vertical direction.
  • FIG. 3 is a diagram showing the contact support 12. As shown in FIG. (a) in the figure shows the contact support 12 viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction. (b) in the figure shows the contact support 12 viewed from one side in the vertical direction.
  • the contact support 12 has a pair of grooves 21 (armature grooves) into which the armature 15 is inserted and a pair of grooves 22 (connection spring grooves) into which the connection spring 16 is inserted.
  • the pair of grooves 21 into which the armature 15 is inserted is wider in the width direction than the pair of grooves 22 into which the connecting spring 16 is inserted, and is provided on the far side in the depth direction.
  • FIG. 4 is a diagram showing grooves 21 and 22.
  • FIG. (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the longitudinal direction passing through the groove portion 22 on one side in the width direction is viewed from the front side in the depth direction.
  • a groove part 21 into which the armature 15 is inserted has a side face 25 facing inward in the width direction, a bottom face 26 facing the front side in the depth direction, a ceiling face 27 facing the back side in the depth direction, and a terminal face 28 facing one side in the vertical direction.
  • the groove 21 is open on one side in the vertical direction and on the inner side in the width direction.
  • the distance from the bottom surface 26 to the ceiling surface 27 is greater than the thickness of the armature 15. - ⁇ Of the area sandwiched between the bottom surface 26 and the ceiling surface 27 , the length from one end in the vertical direction to the end surface 28 serves as an insertion margin for the armature 15 .
  • the groove part 22 into which the connecting spring 16 is inserted has a side face 31 facing inward in the width direction, a bottom face 32 facing the front side in the depth direction, a ceiling face 33 facing the back side in the depth direction, and a terminal face 34 facing one side in the vertical direction. Therefore, the groove 22 is open on one side in the vertical direction and on the inner side in the width direction.
  • the distance from the bottom surface 32 to the ceiling surface 33 is greater than the height of the connecting spring 16 in the depth direction. In the area sandwiched between the bottom surface 32 and the ceiling surface 33 , the range from one end in the vertical direction to the end surface 34 serves as an insertion margin for the connecting spring 16 .
  • a guide surface 35 is formed on the inlet side of the groove portion 22 and is inclined toward the front side in the depth direction toward the other side in the vertical direction.
  • a convex portion 36 is formed on the outer side in the width direction so as to protrude toward the front side in the depth direction.
  • the projection 36 has a trapezoidal shape in which the upper base on the front side is shorter than the lower base on the far side in the depth direction when viewed from the inside in the width direction, and more specifically, is an isosceles trapezoid in which the inner angles of both ends of the lower base are equal to each other.
  • the height of the convex portion 36 is about the thickness of the connecting spring 16 .
  • FIG. 5 shows the armature 15 and the connecting spring 16.
  • FIG. (a) in the drawing shows a state in which the armature 15 and the connecting spring 16 are viewed from the front side in the depth direction.
  • (b) in the drawing shows a state in which the armature 15 and the connecting spring 16 are viewed from one side in the vertical direction.
  • the armature 15 is formed with insertion pieces 41 projecting outward in the width direction and capable of being inserted into the grooves 21 at positions corresponding to the center in the vertical direction on both end sides in the width direction.
  • connection spring 16 is bent into a crank shape when viewed in the vertical direction so that the center in the width direction is fixed to the movable plunger 14 and the front end side in the width direction is closer to the front side in the depth direction than the center via a step.
  • the separation distance D between the tip side of the connecting spring 16 and the armature 15 is smaller than the depth dimension L from the ceiling surface 27 of the groove portion 21 to the bottom surface 32 of the groove portion 22 (FIG. 6(a)).
  • the tip side of the connecting spring 16 is divided into two pieces with a gap 42 (recess) in the vertical direction.
  • the gap 42 is located at the longitudinal center position of the connecting spring 16 and is formed in a U shape that opens outward in the width direction when viewed from the depth direction.
  • the vertical dimension of the gap 42 is greater than the vertical dimension of the upper base of the protrusion 36 .
  • FIG. 6 is a diagram showing the connection state between the contact support 12 and the movable plunger 14.
  • FIG. (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • the tip side of the connecting spring 16 is pushed up by the guide surface 35 and the bottom surface 32 toward the front in the depth direction and bends. Therefore, the elastic force of the connecting spring 16 pulls the armature 15 forward in the depth direction and separates it from the bottom surface 26 of the groove 21 .
  • the armature 15 and the connecting spring 16 sandwich the contact support 12 between the ceiling surface 27 and the bottom surface 32 .
  • the armature 15 presses the ceiling surface 27 of the groove 21 and the tip side of the connecting spring 16 presses the bottom surface 32 of the groove 22 , thereby connecting the movable plunger 14 to the contact support 12 .
  • (b) in the figure shows a cross section along the width direction and the longitudinal direction passing through the groove 22 on one side in the width direction, viewed from the front side in the depth direction.
  • the electromagnetic contactor 11 includes a contact support 12 , a movable plunger 14 and a connecting spring 16 .
  • the contact point support 12 is provided on the front side in the predetermined depth direction, and has a groove portion 22 formed therein.
  • the movable plunger 14 is provided on the far side in the depth direction and is driven by the electromagnet section 13 .
  • the connecting spring 16 is a leaf spring, the center of which is fixed to the movable plunger 14, and the longitudinal tip side thereof is inserted into the groove portion 22 along the lateral direction.
  • a convex portion 36 is formed in the groove portion 22, and a gap 42 serving as a concave portion is formed in the tip side of the connecting spring 16, and when the tip side of the connecting spring 16 is inserted into the groove portion 22, the gap 42 and the convex portion 36 are fitted to each other.
  • the insertion position of the connecting spring 16 in the lateral direction is regulated by the gap 42 and the protrusion 36 being fitted to each other. Therefore, positional displacement of the connecting spring 16 can be suppressed.
  • a convex portion 36 is formed on the bottom surface 32 facing the front side in the depth direction of the groove portion 22, and the connecting spring 16 is divided into two pieces with a gap 42 in the lateral direction at the tip side thereof, and the concave portion is formed by the gap 42. ⁇ As a result, the gap 42 and the protrusion 36 are reliably fitted to each other, and displacement of the connection spring 16 can be suppressed. In addition, when assembling, it is possible to easily recognize that the insertion has been completed by obtaining a tactile response (feeling of click) when the gap 42 and the convex portion 36 are fitted.
  • the convex portion 36 has a trapezoidal shape in which the front side (upper base) is shorter than the deep side (lower base) in the depth direction when viewed from the inside in the longitudinal direction, and the gap 42 is fitted.
  • a guide surface 35 is formed on the entrance side of the groove portion 22 and is inclined toward the front side in the depth direction as it goes toward the depth side along the insertion direction.
  • the tip side of the connection spring 16 is gradually lifted forward in the depth direction by the guide surface 35, and the tip side of the connection spring 16 can be guided to the groove part 22.
  • a groove portion 21 is formed in the contact support 12 on the back side of the groove portion 22 in the depth direction.
  • the electromagnetic contactor 11 has an armature 15 .
  • the armature 15 is a plate-like magnetic body, is fixed to the movable plunger 14 together with the connecting spring 16, and is inserted into the groove 21 along the surface direction.
  • FIG. 7 is a diagram showing a comparative example.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the longitudinal direction passing through the groove portion 22 on one side in the width direction is viewed from the front side in the depth direction.
  • the configuration in which the tip end side of the connecting spring 16 is divided into two pieces with the gap 42 opened has been described, but the present invention is not limited to this. That is, even if the tip side is not divided into two pieces, a hole penetrating in the depth direction or a bottomed recess that is concave toward the depth side may be formed as long as the shape fits the protrusion 36 .
  • the configuration in which the protrusions 36 that are trapezoidal when viewed in the width direction are provided has been described, but the configuration is not limited to this. That is, as long as it has a shape that fits in the concave portion of the connecting spring 16, a frustum or hemispherical convex portion may be provided.
  • FIG. 8 is a diagram showing grooves 21 and 22 of the second embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the longitudinal direction passing through the groove portion 22 on one side in the width direction is viewed from the front side in the depth direction.
  • a guide surface 51 is formed on the inlet side of the groove 22 and is inclined inward in the width direction toward the other side in the vertical direction.
  • the side surface 31 of the groove portion 22 is formed with a concave portion 52 that is concave outward in the width direction and has a substantially rectangular shape when viewed in the width direction.
  • FIG. 9 is a diagram showing the armature 15 and the connecting spring 16 of the second embodiment.
  • (a) in the drawing shows a state in which the armature 15 and the connecting spring 16 are viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • (b) in the drawing shows a state in which the armature 15 and the connecting spring 16 are viewed from the front side in the depth direction.
  • a convex portion 53 that protrudes outward in the width direction is formed at the tip of the connecting spring 16 .
  • the convex portion 53 is located at the center position in the longitudinal direction of the connecting spring 16, and the tip of the convex portion 53 has chamfered corners on both sides in the longitudinal direction.
  • FIG. 10 is a diagram showing the connected state of the second embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the depth direction passing through the concave portion 52 and the convex portion 53 is viewed from one side in the vertical direction.
  • a concave portion 52 is formed on the side surface 31 of the groove portion 22 facing the tip of the connecting spring 16
  • a convex portion 53 is formed on the tip of the connecting spring 16 .
  • FIG. 11 is a diagram showing grooves 21 and 22 of the third embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the longitudinal direction passing through the groove portion 22 on one side in the width direction is viewed from the front side in the depth direction.
  • a bottom surface 32 of the groove portion 22 is formed with a recessed portion 55 that is recessed toward the back side in the depth direction and has a substantially rectangular shape when viewed from the depth direction.
  • FIG. 12 is a diagram showing the armature 15 and the connecting spring 16 of the third embodiment.
  • (a) in the drawing shows a state in which the armature 15 and the connecting spring 16 are viewed from one side in the vertical direction, the other side in the width direction, and the front side in the depth direction.
  • (b) in the drawing shows the state of the connecting spring 16 viewed from one side in the vertical direction, the other side in the width direction, and the back side in the depth direction.
  • On the tip end side of the connecting spring 16 a convex part 56 projecting further toward the inner side in the depth direction is formed at a position protruding most to the inner side in the depth direction among the surfaces facing the inner side in the depth direction.
  • the convex portion 56 is located at the longitudinal center position of the connecting spring 16 .
  • the convex portion 56 is formed by drawing, and the surface facing the front side in the depth direction is recessed toward the back side in the depth direction.
  • FIG. 13 is a diagram showing the connected state of the third embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • (b) in the drawing is a state in which a cross section along the width direction and the depth direction passing through the concave portion 55 and the convex portion 56 is viewed from one side in the vertical direction.
  • connection spring 16 When the tip of the projection 56 reaches the recess 55 , the bending of the connection spring 16 on the tip side is reduced and contacts the bottom surface 32 . In this way, the projection 56 on the front end side of the connection spring 16 fits into the recess 55 of the groove 22, thereby restricting the position of the connection spring 16 in the vertical direction.
  • Other configurations are the same as those of the first embodiment described above.
  • a concave portion 55 is formed on the bottom surface 32 of the groove portion 22 facing the front side in the depth direction, and a convex portion 56 is formed on the front end side of the connecting spring 16 on the surface facing the back side in the depth direction.
  • FIG. 14 is a diagram showing the contact support 12 of the fourth embodiment.
  • (a) in the drawing shows the contact support 12 viewed from one side in the vertical direction, the other side in the width direction, and the far side in the depth direction.
  • (b) in the figure shows the contact support 12 viewed from the other side in the vertical direction, the other side in the width direction, and the back side in the depth direction.
  • the contact point support 12 is formed with an interference portion 61 (connection spring interference portion) protruding toward the depth side in the depth direction on the inlet side of the groove portion 22 .
  • Interference portion 61 extends from groove portion 22 on one side to groove portion 22 on the other side in the width direction.
  • FIG. 15 is a diagram showing a connected state of the fourth embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • (b) in the drawing is a state of the AA cross section along the vertical direction and depth direction passing through the interference portion 61 in the contact support 12, viewed from the inside in the width direction.
  • the tip side of the connecting spring 16 is pressed by the interference portion 61 , the tip side is extended outward in the width direction and deformed so as to pass through the interference portion 61 . Then, when the tip side of the connecting spring 16 exceeds the interference portion 61, the tip side is restored by its own elastic force so as to return inward in the width direction. At this time, as shown in (b) in the figure, the portion of the tip side of the connecting spring 16 that protrudes most toward the front side in the depth direction is positioned closer to the front side in the depth direction than the lower end of the interference portion 61.
  • Other configurations are the same as those of the first embodiment described above.
  • the electromagnetic contactor 11 includes a contact support 12 , a movable plunger 14 and a connecting spring 16 .
  • the contact point support 12 is provided on the front side in the predetermined depth direction, and has a groove portion 22 formed therein.
  • the movable plunger 14 is provided on the far side in the depth direction and is driven by the electromagnet section 13 .
  • the connecting spring 16 is a leaf spring, the center of which is fixed to the movable plunger 14, and the longitudinal tip side thereof is inserted into the groove portion 22 along the lateral direction.
  • the contact support 12 is provided with an interference part 61 which is provided on the entrance side of the groove part 22 and interferes with the connection spring 16 to prevent it from coming off when the connection spring 16 inserted into the groove part 22 is displaced to the entrance side.
  • an interference part 61 which is provided on the entrance side of the groove part 22 and interferes with the connection spring 16 to prevent it from coming off when the connection spring 16 inserted into the groove part 22 is displaced to the entrance side.
  • the interference portion 61 protrudes toward the depth side in the depth direction.
  • the connecting spring 16 When the connecting spring 16 is inserted into the groove 22 , the distal end side of the connecting spring 16 is deformed so as to pass through the interfering portion 61 , and when it exceeds the interfering portion 61 , it is restored by its own elastic force.
  • the connecting spring 16 when the connecting spring 16 is inserted into the groove part 22, it can be allowed to pass through the interference part 61, and when the connecting spring 16 is about to be displaced to the entrance side after being inserted into the groove part 22, it can be prevented from coming off from the groove part 22.
  • Other functions and effects are the same as those of the first embodiment described above.
  • the configuration in which the interference section 61 is added based on the first embodiment has been described, but the configuration is not limited to this. That is, the interference part 61 may be added based on the second embodiment or the third embodiment. Furthermore, the configuration may be such that the interference portion 61 is added based on the comparative example of the first embodiment. That is, since the positional deviation of the connecting spring 16 is suppressed by the interference portion 61, the convex portion 36 of the groove portion 22 and the gap 42 of the connecting spring 16 may be omitted.
  • FIG. 16 is a diagram showing the contact support 12 of the fifth embodiment.
  • (a) in the drawing shows the contact support 12 viewed from one side in the vertical direction, the other side in the width direction, and the far side in the depth direction.
  • (b) in the figure shows the contact support 12 viewed from the other side in the vertical direction, the other side in the width direction, and the back side in the depth direction.
  • the contact support 12 is formed with an interference portion 62 (armature interference portion) protruding toward the inner side in the depth direction on the inlet side of the groove portion 21 .
  • the interference portion 62 is provided on both one side and the other side in the width direction.
  • FIG. 17 is a diagram showing the connected state of the fifth embodiment.
  • (a) in the drawing shows a state in which the grooves 21 and 22 on one side in the width direction are viewed from one side in the vertical direction.
  • (b) in the drawing is a state of the BB cross section along the vertical direction and the depth direction of the contact support 12 as viewed from the inside in the width direction.
  • the elastic force of the connecting spring 16 pulls the armature 15 forward in the depth direction and separates it from the bottom surface 26 of the groove 21 .
  • the upper surface of the armature 15 facing the front side in the depth direction is positioned closer to the front side in the depth direction than the lower end of the interference portion 62 .
  • Other configurations are the same as those of the first embodiment described above.
  • the electromagnetic contactor 11 includes a contact support 12 , a movable plunger 14 and a connecting spring 16 .
  • the contact point support 12 is provided on the front side in the predetermined depth direction, and has a groove portion 22 formed therein.
  • the movable plunger 14 is provided on the far side in the depth direction and is driven by the electromagnet section 13 .
  • the connecting spring 16 is a leaf spring, the center of which is fixed to the movable plunger 14, and the longitudinal tip side thereof is inserted into the groove portion 22 along the lateral direction.
  • a groove portion 21 is formed in the contact support 12 on the back side of the groove portion 22 in the depth direction.
  • the electromagnetic contactor 11 has an armature 15 .
  • the armature 15 is a plate-like magnetic body, is fixed to the movable plunger 14 together with the connecting spring 16, and is inserted into the groove 21 along the surface direction.
  • the contact support 12 is provided with an interference part 62 which is provided on the entrance side of the groove part 21 and interferes with the armature 15 to prevent it from coming off when the armature 15 inserted into the groove part 21 is displaced to the entrance side.
  • the armature 15 is caught by the interference portion 62 and can be prevented from falling out of the groove 21 . That is, it is possible to indirectly suppress the displacement of the connecting spring 16 via the armature 15 .
  • the interference portion 62 protrudes toward the depth side in the depth direction.
  • the armature 15 When the armature 15 is inserted into the groove portion 21 and exceeds the interference portion 62 , it is displaced forward in the depth direction by the elastic force of the connecting spring 16 .
  • the armature 15 when the armature 15 is inserted into the groove 21, it can be allowed to pass through the interfering part 62, and when the armature 15 is about to be displaced to the entrance side after being inserted into the groove 21, it can be prevented from coming off from the groove 21. ⁇
  • Other functions and effects are the same as those of the first embodiment described above.
  • the configuration in which the interference section 62 is added based on the first embodiment has been described, but the configuration is not limited to this. That is, the interference part 62 may be added based on the second embodiment or the third embodiment. Furthermore, a configuration in which the interference portion 62 is added based on the comparative example of the first embodiment may be employed. That is, since the positional deviation of the connecting spring 16 is indirectly suppressed by the interference portion 62, the convex portion 36 of the groove portion 22 and the gap 42 of the connecting spring 16 may be omitted.
  • Electromagnetic contactor 12... Contact support, 13... Electromagnet part, 14... Movable plunger, 15... Armature, 16... Connection spring, 21... Groove part, 22... Groove part, 25... Side surface, 26... Bottom surface, 27... Ceiling surface, 28... End surface, 31... Side surface, 32... Bottom surface, 33... Ceiling surface, 34... End surface, 35... Guide surface, 36... Insertion piece, 42... Gap, 51... Guide surface, 52... Concave part, 53... Convex part, 55... Concave part, 56... Concave part, 61... Interference part, 62... Interference part

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  • Electromagnetism (AREA)
  • Electromagnets (AREA)
PCT/JP2022/043018 2022-01-21 2022-11-21 電磁接触器 Ceased WO2023139912A1 (ja)

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Application Number Priority Date Filing Date Title
KR1020237044806A KR102807338B1 (ko) 2022-01-21 2022-11-21 전자 접촉기
CN202280047241.4A CN117616534A (zh) 2022-01-21 2022-11-21 电磁接触器
JP2023575089A JP7487853B2 (ja) 2022-01-21 2022-11-21 電磁接触器

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Application Number Priority Date Filing Date Title
JP2022-007695 2022-01-21
JP2022007695 2022-01-21

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WO2023139912A1 true WO2023139912A1 (ja) 2023-07-27

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JP (1) JP7487853B2 (https=)
KR (1) KR102807338B1 (https=)
CN (1) CN117616534A (https=)
WO (1) WO2023139912A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01137044U (https=) * 1988-03-14 1989-09-19
JP2012015088A (ja) * 2010-06-01 2012-01-19 Fuji Electric Fa Components & Systems Co Ltd 電磁接触器
JP2015079741A (ja) * 2013-10-18 2015-04-23 エルエス産電株式会社Lsis Co., Ltd. 電磁接触器
WO2015177962A1 (ja) * 2014-05-20 2015-11-26 富士電機機器制御株式会社 電磁接触器
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