CN110033996B - Magnetic latching relay with strong current carrying capacity - Google Patents
Magnetic latching relay with strong current carrying capacity Download PDFInfo
- Publication number
- CN110033996B CN110033996B CN201910333254.8A CN201910333254A CN110033996B CN 110033996 B CN110033996 B CN 110033996B CN 201910333254 A CN201910333254 A CN 201910333254A CN 110033996 B CN110033996 B CN 110033996B
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- movable spring
- carrying capacity
- push
- positioning part
- current carrying
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- 230000013011 mating Effects 0.000 description 8
- 230000003068 static effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a magnetic latching relay with strong current-carrying capacity, which comprises a shell, a plurality of conductive leading-out pins, a pushing clamp and a plurality of movable springs, wherein the pushing clamp comprises a base part and a plurality of movable spring connecting parts, the base part is connected with an armature assembly, the base part and the movable spring connecting parts are fixedly connected through push-pull arms or the base part and the movable spring connecting parts are fixedly connected through the push-pull arms, the adjacent movable spring connecting parts are fixedly connected through the push-pull arms, each movable spring connecting part is connected with a movable spring and then provided with a cross section overlapped with a symmetrical plane of the movable spring, the cross sections on all the movable spring connecting parts are positioned on the same plane, at least two push-pull arms are staggered up and down relative to the cross section, and the staggered arrangement of the push-pull arms provides a yielding space for the conductive leading-out pins so as to increase the width dimension arrangement of the movable spring connecting parts, and thus the current-carrying capacity of the movable spring connecting parts is improved. The invention can improve the current carrying capacity of the magnetic latching relay under the condition that the shell size is unchanged.
Description
Technical Field
The invention relates to the technical field of manufacturing of magnetic latching relays, in particular to a magnetic latching relay with strong current carrying capacity.
Background
The magnetic latching relay is a novel relay developed in recent years. Like other electromagnetic relays, the electromagnetic relay has the function of automatically switching on and off a circuit.
Existing magnetic latching relays generally include a plastic housing, a plurality of conductive pins, a magnetic circuit system, a contact system, and a pushing mechanism. The plurality of conductive pins, the magnetic circuit system, the contact system and the pushing mechanism are all arranged on the plastic shell. The magnetic circuit system generally comprises a yoke iron, a coil and an armature assembly, wherein the contact system comprises a movable spring and a static spring, the movable spring is provided with a movable contact, the static spring is provided with a static contact, the pushing mechanism comprises a pushing card, the armature assembly is connected with the pushing card, the pushing card is connected with a movable spring part, one end of a conductive lead-out pin in a shell is fixedly connected with the movable spring and the static spring, when the relay coil is electrified with forward pulse voltage, the magnetic circuit system works, the armature assembly drives the pushing card, the pushing card pushes the movable spring to shift, the movable contact is contacted with the static contact, and the relay is in a switch-on state; when the coil of the relay is electrified with reverse pulse voltage, the magnetic circuit system works again, the armature assembly drives the pushing clamp to return, the pushing clamp pulls the movable spring to return, the movable contact is separated from the static contact, the contact is disconnected, and the relay is in a cut-off state.
In the existing magnetic latching relay structure, when a plurality of moving springs are arranged, the conductive leading-out pins are inevitably arranged to cross the pushing card. In the case of a magnetic latching relay housing of a constant size, the conductive pins crossing the pusher card are reduced in size in the width direction, which reduces the current carrying capacity of the conductive pins. At present, in order to prevent the size of the conductive lead pin in the width direction from being reduced, the size of the shell of the magnetic latching relay can only be increased, so that the size of the whole relay is increased, the occupied installation position is larger, and the magnetic latching relay is unfavorable for matching with other electrical appliances.
Disclosure of Invention
The invention aims to solve the technical problem of providing a magnetic latching relay with strong current carrying capacity, which can increase the width dimension of a conductive lead-out pin intersected with a push card under the condition that the size of a shell is unchanged, so that the current carrying capacity of the magnetic latching relay is improved.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a magnetic latching relay that current-carrying capacity is strong, includes casing, a plurality of electrically conductive pin, promotes card and a plurality of movable spring, and every movable spring's one end links firmly with the one end of an electrically conductive pin, every electrically conductive pin that is connected with movable spring is adorned on the casing and its other end stretches out outside the casing, promotes card and a plurality of movable spring and all is in the casing, promote card includes basal portion and a plurality of movable spring connecting portion, and the basal portion is connected with armature subassembly, and every movable spring connecting portion is connected with a movable spring other end, link firmly through the push-pull arm between basal portion and the movable spring connecting portion or link firmly through the push-pull arm between basal portion and the movable spring connecting portion and adjacent movable spring connecting portion link firmly through the push-pull arm, every movable spring connecting portion and movable spring connect the back have a cross section that overlaps with the movable spring symmetry plane, and this cross section on all movable spring connecting portion is in the coplanar with this cross section on the movable spring connecting portion is the horizontal plane, has two push-pull arms to stagger about this cross section setting up and push-pull arm for this cross section, and stagger the setting up about this cross section, and the movable spring connecting portion is provided the current-carrying capacity of the pin and is put forward the size with this electrically conductive pin through the cross-pull arm and stagger.
Preferably, the two sides of the base are respectively fixedly connected with the spring connecting part through a push-pull arm, and the push-pull arms on the two sides of the base are staggered up and down relative to the cross section and are parallel to each other; the middle part of the base part is provided with a rectangular through hole connected with the armature component. Thus, both push-pull arms can provide a space for one conductive pin to give way to increase the size arrangement of the conductive pin in the width direction, so that the current carrying capacity of both conductive pins is improved simultaneously.
Still further, the push-pull arms on the base and both sides are provided with diagonal braces. So as to further improve the push-pull strength of the push-pull arm.
Preferably, the point of actuation of the armature assembly after connection to the base is also in the cross section. The pushing force is more reasonable, and the structure is more compact.
Preferably, all the moving spring connecting parts are located between an upper end section and a lower end section of the base, and the upper end section and the lower end section of the base are parallel to the cross section. The structure can prevent the movable spring from deflecting when the movable spring of the push-pull magnetic latching relay is shifted through the movable spring connecting part. Further improving the reliability of the operation.
Preferably, the movable spring connecting part comprises two vertical rods arranged at intervals and a cross rod connected with the middle parts of the inner side surfaces of the two vertical rods, the cross rod is provided with a horizontal symmetrical section, the horizontal symmetrical section of the cross rod is overlapped with the symmetrical plane of the movable spring, the upper surface of the cross rod is provided with an upper clamping groove of the movable spring, the lower surface of the cross rod is provided with a lower clamping groove of the movable spring, and the lower surface of the cross rod is fixedly connected with the push-pull arm through the outer side surface of the vertical rod;
Two clamping parts are arranged on each movable spring, one ends of the two clamping parts are respectively clamped on the upper clamping groove or the lower clamping groove of the movable spring connecting part, the two clamping parts are not contacted with the cross rod, and one movable contact is respectively fixedly connected on the two clamping parts. Therefore, scraps can not be generated when the movable spring connecting part pushes and pulls the spring. The influence of scraping bits on the contact and the magnetic circuit is prevented, and the performance of the magnetic latching relay is improved.
Further, the edges of the two clamping parts on each movable spring are bent towards the same side. Scraping can be further prevented.
Further, each movable spring further comprises a pressing spring piece, two connecting ends are arranged on one side of the pressing spring piece, a positioning clamping groove is formed in the other side of the pressing spring piece, two clamping parts on the movable spring are respectively fixed on the two connecting ends on one side of the pressing spring piece, the positioning clamping groove on the other side of the pressing spring piece is clamped on the cross rod, so that the two clamping parts on the movable spring piece are not contacted with the cross rod, and one side of the pressing spring piece is pressed on the inner side face of one vertical rod of the connecting part of the movable spring piece. Therefore, the mutual positioning precision of the movable spring connecting part and the movable spring can be improved, and the performance of pushing and pulling the spring by the movable spring connecting part is improved.
Further improved, at least one conductive lead-out pin is provided with a first positioning part and a second positioning part, the shell is provided with a first matching part matched with the first positioning part and a second matching part matched with the second positioning part, the first positioning part and the first matching part form tight fit, the second positioning part and the second matching part form clearance fit, and the second positioning part and the second matching part are matched with each other to further position the conductive lead-out pin after the first matching part deforms to a set degree. Through the positioning structure of the conductive pin and the shell, the assembly and the positioning of the conductive pin are convenient, the positioning precision of the conductive pin can be improved, and the performance of the magnetic latching relay is ensured.
Preferably, the conductive pins are longer outside the housing than inside the housing.
Preferably, the first positioning portion is a first protruding strip disposed on a side surface of the conductive lead-out pin, the second positioning portion is a second protruding strip disposed on a side surface of the conductive lead-out pin, the first matching portion is a first elongated groove disposed in the housing, the second matching portion is a second elongated groove disposed in the housing, the first positioning portion and the second positioning portion are parallel to each other, the first matching portion and the second matching portion are parallel to each other, and when the conductive lead-out pin is mounted on the housing, the first positioning portion is clamped on the first matching portion, and the second positioning portion is clamped on the second matching portion.
Still further, the first positioning portion and the second positioning portion are located on the same side face of the conductive lead-out pin, and when the side face of the conductive lead-out pin is perpendicular to a horizontal plane, the first positioning portion and the second positioning portion are arranged in a vertically staggered mode.
As another preferable aspect, the first positioning portion is a first protruding strip disposed on a side surface of the conductive lead-out pin, the second positioning portion is a second protruding strip disposed on a side surface of the conductive lead-out pin, the first mating portion is an elongated groove disposed in the housing, the second mating portion is a supporting portion disposed in the housing, and the second positioning portion is inclined to the first positioning portion; when the conductive lead pin is mounted on the shell, the first positioning part is clamped on the first matching part, and the second positioning part is leaned on the second matching part after the first matching part is deformed to a set degree.
Because each movable spring connecting part on the push card is provided with the cross section overlapped with the symmetrical plane of the movable spring after being connected with the movable spring, the cross sections on all the movable spring connecting parts are positioned on the same plane, the cross sections on the movable spring connecting parts are used as horizontal planes, and at least two push-pull arms are staggered up and down relative to the cross sections, so that a stepping space can be provided for at least two conductive leading-out pins which are intersected with the push-pull arms through the staggered arrangement of the push-pull arms so as to increase the size arrangement of the conductive leading-out pins in the width direction, and the current carrying capacity of the conductive leading-out pins is improved. Therefore, the width dimension of the conductive lead-out pin crossing the push card can be increased under the condition that the size of the shell is unchanged, and the current carrying capacity of the conductive lead-out pin is increased, so that the current carrying capacity of the whole magnetic latching relay is improved.
Drawings
FIG. 1 is a perspective view of a hidden portion of a first embodiment of the present invention;
FIG. 2 is a front view of a pusher card according to a first embodiment of the present invention;
Fig. 3 is a front view of a movable spring according to a first embodiment of the present invention;
fig. 4 is a perspective view of a movable spring according to a first embodiment of the present invention;
FIG. 5 is a perspective view of a first embodiment of the present invention where a pusher card is connected to two moving springs and the two moving springs are connected to two conductive pins;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is a top view of a hidden portion of a first embodiment of the invention;
FIG. 8 is an enlarged view at B of FIG. 7;
FIG. 9 is an enlarged view at C of FIG. 7;
FIG. 10 is a perspective view of a conductive pin having a first positioning portion and a second positioning portion according to a first embodiment of the present invention;
FIG. 11 is a perspective view of another conductive pin-out having a first positioning portion and a second positioning portion according to the first embodiment of the present invention;
FIG. 12 is a perspective view of a housing according to a first embodiment of the present invention;
Fig. 13 is a front view of a pusher card according to a second embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
An embodiment one, as shown in fig. 1 to 12, a magnetic latching relay with strong current carrying capability, includes a housing 1, a conductive pin 2, a conductive pin 3, a conductive pin 4, a conductive pin 5, a push-on clip 6 and two moving springs 7, one end of one moving spring 7 is fixedly connected with one end of the conductive pin 2, one end of the other moving spring 7 is fixedly connected with one end of the conductive pin 3, the conductive pin 2 is mounted on the housing 1 and the other end extends out of the housing 1, the conductive pin 3 is mounted on the housing 1 and the other end extends out of the housing 1, the conductive pin 4 and the conductive pin 5 are mounted on the housing 1 and one end extends out of the housing 1, the push-on clip 6 and the two moving springs 7 are both positioned in the housing 1, the push-on clip 6 includes a base 61 and two moving spring connecting parts 62, the base 61 is connected with an armature assembly, a rectangular through hole 611 connected with the armature assembly is arranged in the middle part of the base 61, each moving spring connecting part 62 is connected with the other end of one moving spring 7, two sides of the base 61 are respectively staggered with a moving spring connecting part 63 on the same plane, and the two moving spring connecting parts are arranged on the same plane as the cross section E and are parallel to each moving spring connecting part E7; the staggered arrangement of the two push-pull arms 63 provides a space for giving way to the conductive pins 3 and 5 intersecting the two push-pull arms 63 so as to increase the size arrangement of the conductive pins 3 and 5 in the width direction, thereby improving the current carrying capacity of the conductive pins 3 and 5.
The shell 1 and the pushing card 6 are made of plastic materials, and the conductive pin 2, the conductive pin 3, the conductive pin 4, the conductive pin 5 and the two movable springs 7 are made of copper materials.
A diagonal support bar 64 is arranged between the base 61 and the push-pull arms 63 on both sides. The push-pull strength of the push-pull arm 63 can be improved.
As further shown in fig. 2, the pushing points a, b of the armature assembly of the latching magnetic relay after connection to the base are also preferably located on the cross section E. The pushing force is more reasonable, and the structure is more compact.
Preferably, all the moving spring connecting portions 62 are located between the upper end section F and the lower end section G of the base portion 61, and the upper end section F and the lower end section G of the base portion 61 are parallel to the cross section E. This advantageously prevents the deflection of the retaining spring 7 during displacement.
The movable spring connecting part 62 comprises two vertical rods 621 arranged at intervals and a cross rod 622 connected with the middle parts of the inner side surfaces of the two vertical rods 621, the cross rod 622 is provided with a horizontal symmetrical section, the horizontal symmetrical section of the cross rod 622 is overlapped with the symmetrical plane D of the movable spring 7, an upper clamping groove 62a of the movable spring 7 is formed on the upper surface of the cross rod 622 and the inner side surfaces of the two vertical rods 621, a lower clamping groove 62b of the movable spring 7 is formed on the lower surface of the cross rod 622 and the inner side surfaces of the two vertical rods 621, and the movable spring connecting part 62 is fixedly connected with the push-pull arm 63 through the outer side surfaces of the vertical rods 621.
As can be seen from fig. 3, the plane of symmetry of the moving spring 7 is indicated by the dashed line D, and as can be seen from fig. 2, the horizontal symmetry of the cross bar 622 is indicated by the dashed line E. The plane represented by the broken line D coincides with the plane represented by the broken line E after the movable spring connecting portion 62 is connected to the movable spring 7.
Each movable spring 7 is provided with two clamping parts 71, one ends of the two clamping parts 71 are respectively clamped on the upper clamping groove 62a or the lower clamping groove 62b of the movable spring connecting part 62, the two clamping parts 71 are not contacted with the cross rod 622, and the two clamping parts 71 are respectively fixedly connected with a movable contact 711. The edges of the two engaging portions 71 on each movable spring 7 are bent to the same side.
Each movable spring 7 further comprises a pressing spring piece 72, two connecting ends 721 are arranged on one side of the pressing spring piece 72, a positioning clamping groove 722 is arranged on the other side of the pressing spring piece 72, two clamping parts 71 on the movable spring 7 are respectively fixed on the two connecting ends 721 on one side of the pressing spring piece 72, the positioning clamping groove 722 on the other side of the pressing spring piece 72 is clamped on the cross rod 622, so that the two clamping parts 71 on the movable spring 7 are not contacted with the cross rod 622, and one surface of the pressing spring piece 72 is pressed on the inner side surface of one vertical rod 621 of the movable spring connecting part 62.
As further shown in fig. 7, 8, 10 and 12, the conductive pin 2 is provided with a first positioning portion 21 and a second positioning portion 22, the housing 1 is provided with a first fitting portion 21a fitted with the first positioning portion 21 and a second fitting portion 22b fitted with the second positioning portion 22, the first positioning portion 21 and the first fitting portion 21a form a tight fit, the second positioning portion 22 and the second fitting portion 22b form a clearance fit, and the second positioning portion 22 and the second fitting portion 22b further position the conductive pin after the first fitting portion 21a is deformed to a set degree;
The first positioning portion 21 is a first protruding strip disposed on a side surface of the conductive lead-out pin 2, the second positioning portion 22 is a second protruding strip disposed on a side surface of the conductive lead-out pin 2, the first mating portion 21a is a first elongated groove disposed in the housing 1, the second mating portion 22b is a second elongated groove disposed in the housing 1, the first positioning portion 21 and the second positioning portion 22 are parallel to each other, the first mating portion 21a and the second mating portion 22b are parallel to each other, and when the conductive lead-out pin 2 is mounted on the housing 1, the first positioning portion 21 is locked on the first mating portion 21a, and the second positioning portion 22 is locked on the second mating portion 22 b;
The first positioning portion 21 and the second positioning portion 22 are located on the same side face of the conductive lead-out pin 2, and when the side face of the conductive lead-out pin 2 is perpendicular to a horizontal plane, the first positioning portion 21 and the second positioning portion 22 are arranged in a vertically staggered mode. The length of the conductive pin 2 outside the housing 1 is longer than the length inside the housing 1.
As further shown in fig. 7, 9,11, and 12, the conductive lead-out pin 3 is provided with a first positioning portion 31 and a second positioning portion 32, the housing 1 is provided with a first fitting portion 31a fitted with the first positioning portion 31 and a second fitting portion 32a fitted with the second positioning portion 32, the first positioning portion 31 and the first fitting portion 31a form a tight fit, the second positioning portion 32 and the second fitting portion 32a form a clearance fit, and the second positioning portion 32 and the second fitting portion 32a further position the conductive lead-out pin 3 after the first fitting portion 31a is deformed to a set degree;
The first positioning portion 31 is a first protruding strip arranged on the side surface of the conductive lead-out pin 3, the second positioning portion 32 is a second protruding strip arranged on the side surface of the conductive lead-out pin 3, the first matching portion 31a is an elongated groove arranged in the housing 1, the second matching portion 32a is a supporting portion arranged in the housing 1, and the second positioning portion 32 is inclined to the first positioning portion 31; when the conductive pin 3 is mounted on the housing 1, the first positioning portion 31 is engaged with the first engaging portion 31a, and the second positioning portion 32 abuts against the second engaging portion 32a after the first engaging portion 31a is deformed to a predetermined degree. The length of the conductive pin 3 outside the housing 1 is longer than the length inside the housing 1.
Through the above-mentioned location structure of electrically conductive pin 2, electrically conductive pin 3 and casing 1, both make things convenient for electrically conductive pin 2, electrically conductive pin 3's assembly location, avoid because of electrically conductive pin 2, electrically conductive pin 3 stretch out the outer too long too heavy or the extrusion of external connection spare of casing 1 and make electrically conductive pin 2, electrically conductive pin 3 deflect the displacement, improve electrically conductive pin 2, electrically conductive pin 3's positioning accuracy, ensure the contact performance of movable contact 711 and stationary contact. The performance of the magnetic latching relay is ensured.
In the second embodiment, fig. 13 illustrates only a push card structure different from the first embodiment, the push card 6 includes a base 61, two sides of the base 61 are respectively and fixedly connected to a movable spring connecting portion 62 through a push-pull arm 63, and two adjacent movable spring connecting portions 62 are also fixedly connected to each other through a push-pull arm 63. The push-pull arm 6 can drive the three moving springs to move.
The foregoing is merely illustrative of two preferred embodiments of the present invention, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced by those skilled in the art.
Claims (13)
1. The utility model provides a magnetic latching relay that current-carrying capacity is strong, includes casing, a plurality of electrically conductive pin, promotes card and a plurality of movable spring, and every movable spring's one end links firmly with the one end of an electrically conductive pin, every with movable spring is connected electrically conductive pin dress is on the casing and its other end stretches out outside the casing, promotes card and a plurality of movable spring and all is in the casing, promote the card and include basal portion and a plurality of movable spring connecting portion, the basal portion is connected with armature subassembly, and every movable spring connecting portion is connected with a movable spring other end, its characterized in that: the base and the movable spring connecting parts are fixedly connected through the push-pull arms or the base and the movable spring connecting parts are fixedly connected through the push-pull arms and the adjacent movable spring connecting parts are fixedly connected through the push-pull arms, each movable spring connecting part is connected with the movable spring and then is provided with a cross section overlapped with a symmetrical plane of the movable spring, the cross sections of all the movable spring connecting parts are positioned on the same plane, the cross sections of the movable spring connecting parts are used as horizontal planes, at least two push-pull arms are staggered up and down relative to the cross sections, and a giving-off space is provided for the conductive leading-out pins crossed with the push-pull arms through the staggered arrangement of the push-pull arms so as to increase the size arrangement of the width directions of the conductive leading-out pins, and therefore the current carrying capacity of the conductive leading-out pins is improved.
2. A magnetically held relay of high current carrying capacity as claimed in claim 1, wherein: the two sides of the base are fixedly connected with the spring connecting part through a push-pull arm respectively, and the push-pull arms on the two sides of the base are staggered up and down relative to the cross section and are parallel to each other; the middle part of the base part is provided with a rectangular through hole connected with the armature component.
3. A magnetically held relay of high current carrying capacity as claimed in claim 2, wherein: the base and the push-pull arms on two sides are provided with inclined support rods.
4. A magnetically held relay of high current carrying capacity as claimed in claim 1, wherein: the point of actuation of the armature assembly after connection to the base is also on the cross section.
5. A magnetically held relay of high current carrying capacity as claimed in claim 1, wherein: all the movable spring connecting parts are positioned between the upper end section and the lower end section of the base part, and the upper end section and the lower end section of the base part are parallel to the cross section.
6. A magnetically held relay of high current carrying capacity as claimed in claim 1, wherein: the movable spring connecting part comprises two vertical rods arranged at intervals and a cross rod connected with the middle parts of the inner side surfaces of the two vertical rods, the cross rod is provided with a horizontal symmetrical section, the horizontal symmetrical section of the cross rod is overlapped with the symmetrical plane of the movable spring, the upper surface of the cross rod is provided with an upper clamping groove of the movable spring, the lower surface of the cross rod is provided with a lower clamping groove of the movable spring, and the lower surface of the cross rod is fixedly connected with a push-pull arm through the outer side surface of the vertical rod;
Two clamping parts are arranged on each movable spring, one ends of the two clamping parts are respectively clamped on the upper clamping groove or the lower clamping groove of the movable spring connecting part, the two clamping parts are not contacted with the cross rod, and one movable contact is respectively fixedly connected on the two clamping parts.
7. A magnetically held relay of high current carrying capacity as claimed in claim 6, wherein: the edges of the two clamping parts on each movable spring are bent towards the same side.
8. A magnetically held relay of high current carrying capacity as claimed in claim 6, wherein: each movable spring further comprises a pressing spring piece, two connecting ends are arranged on one side of the pressing spring piece, a positioning clamping groove is formed in the other side of the pressing spring piece, two clamping parts on the movable spring are respectively and fixedly connected to the two connecting ends on one side of the pressing spring piece, the positioning clamping groove on the other side of the pressing spring piece is clamped on the cross rod, so that the two clamping parts on the movable spring piece are not contacted with the cross rod, and one side of the pressing spring piece is pressed on the inner side face of one vertical rod of the connecting part of the movable spring piece.
9. A magnetically held relay of high current carrying capacity according to any one of claims 1 to 8, wherein: at least one conductive lead-out pin is provided with a first positioning part and a second positioning part, a first matching part matched with the first positioning part and a second matching part matched with the second positioning part are arranged on the shell, the first positioning part and the first matching part form tight fit, the second positioning part and the second matching part form clearance fit, and the second positioning part and the second matching part are matched with each other to further position the conductive lead-out pin after the first matching part deforms to a set degree.
10. A magnetically held relay of high current carrying capacity as claimed in claim 9, wherein: the length of the conductive lead-out pin outside the shell is longer than the length of the conductive lead-out pin inside the shell.
11. A magnetically held relay of high current carrying capacity as claimed in claim 9, wherein: the first positioning part is a first raised line arranged on the side surface of the conductive lead-out pin, the second positioning part is a second raised line arranged on the side surface of the conductive lead-out pin, the first matching part is a first strip-shaped groove arranged in the shell, the second matching part is a second strip-shaped groove arranged in the shell, the first positioning part and the second positioning part are mutually parallel, the first matching part and the second matching part are mutually parallel, and when the conductive lead-out pin is arranged on the shell, the first positioning part is clamped on the first matching part, and the second positioning part is clamped on the second matching part.
12. A magnetically held relay of high current carrying capacity as claimed in claim 11, wherein: the first positioning part and the second positioning part are positioned on the same side face of the conductive lead-out pin, and when the side face of the conductive lead-out pin is perpendicular to a horizontal plane, the first positioning part and the second positioning part are arranged in a vertically staggered mode.
13. A magnetically held relay of high current carrying capacity as claimed in claim 9, wherein: the first positioning part is a first raised line arranged on the side surface of the conductive lead-out pin, the second positioning part is a second raised line arranged on the side surface of the conductive lead-out pin, the first matching part is a strip-shaped groove arranged in the shell, the second matching part is a supporting part arranged in the shell, and the second positioning part is inclined to the first positioning part; when the conductive lead pin is mounted on the shell, the first positioning part is clamped on the first matching part, and the second positioning part is leaned on the second matching part after the first matching part is deformed to a set degree.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333254.8A CN110033996B (en) | 2019-04-24 | 2019-04-24 | Magnetic latching relay with strong current carrying capacity |
| BR102020008025-3A BR102020008025A2 (en) | 2019-04-24 | 2020-04-22 | MAGNETIC LOCKING RELAY |
| JP2020076462A JP6882577B2 (en) | 2019-04-24 | 2020-04-23 | Magnetic latching relay |
| JP2021078341A JP7098022B2 (en) | 2019-04-24 | 2021-05-06 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333254.8A CN110033996B (en) | 2019-04-24 | 2019-04-24 | Magnetic latching relay with strong current carrying capacity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110033996A CN110033996A (en) | 2019-07-19 |
| CN110033996B true CN110033996B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910333254.8A Active CN110033996B (en) | 2019-04-24 | 2019-04-24 | Magnetic latching relay with strong current carrying capacity |
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| CN (1) | CN110033996B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209591932U (en) * | 2019-04-24 | 2019-11-05 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that current-carrying capability is strong |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08195154A (en) * | 1995-01-13 | 1996-07-30 | Hightech:Kk | Electromagnetic relay |
| DE19715914C1 (en) * | 1997-04-16 | 1998-10-08 | Eh Schrack Components Ag | Electromechanical relay |
| US8203403B2 (en) * | 2009-08-27 | 2012-06-19 | Tyco Electronics Corporation | Electrical switching devices having moveable terminals |
| US8222981B1 (en) * | 2011-01-18 | 2012-07-17 | Tyco Electronics Corporation | Electrical switching device |
| CN202502949U (en) * | 2012-02-09 | 2012-10-24 | 厦门普利得汽车电子有限公司 | Magnetic latching relay |
| JP5692298B2 (en) * | 2013-07-12 | 2015-04-01 | オムロン株式会社 | Contact mechanism and electromagnetic relay equipped with the same |
| JP5773006B1 (en) * | 2014-02-24 | 2015-09-02 | オムロン株式会社 | Electromagnetic relay |
| CN104882337B (en) * | 2015-04-29 | 2017-05-03 | 厦门宏发电力电器有限公司 | Pushing mechanism simple and convenient to mount and reliable in limiting for multipath magnetic latching relay |
| JP7022911B2 (en) * | 2016-12-14 | 2022-02-21 | パナソニックＩｐマネジメント株式会社 | Electromagnetic relay |
| CN106920716B (en) * | 2017-01-23 | 2019-05-17 | 厦门宏发电力电器有限公司 | A kind of Three-phase magnetic latching relay |
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2019
- 2019-04-24 CN CN201910333254.8A patent/CN110033996B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209591932U (en) * | 2019-04-24 | 2019-11-05 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that current-carrying capability is strong |
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