CN203406234U - Clapper-type electromagnetic relay - Google Patents
Clapper-type electromagnetic relay Download PDFInfo
- Publication number
- CN203406234U CN203406234U CN201320496406.4U CN201320496406U CN203406234U CN 203406234 U CN203406234 U CN 203406234U CN 201320496406 U CN201320496406 U CN 201320496406U CN 203406234 U CN203406234 U CN 203406234U
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- iron core
- barricade
- contact
- armature
- static
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Abstract
The utility model discloses a clapper-type electromagnetic relay. The clapper-type electromagnetic relay comprises a magnetic path part, a movable reed part and a static reed part. The magnetic path part comprises an iron core, an armature, a yoke and a coil. The coil is provided with a coil rack. The iron core is arranged in a through hole in the coil rack. The upper end of the iron core is provided with a pole shoe. The movable reed part is composed of a movable reed and a movable contact. The static reed part is composed of a static reed and a static contact. The upper end of the coil rack is extended towards one side edge thereof to be provided with a mounting part. The static reed is arranged in the mounting part. The movable contact is matched with the static contact around the mounting part. The coil rack is integrally provided with at least one retaining wall positioned between the through hole and the mounting part. In this way, the pole shoe arranged around the through hole of the coil rack and the static reed arranged around the mounting part are spaced from each other. According to the technical scheme of the utility model, the creepage distance between the iron core and the static reed is increased, so that the occurrence of electrical accidents caused by the mis-conduction of the movable contact and the static contact due to metal contact splashes accumulated between the static contact and the iron core can be avoided. Meanwhile, the shock resistance of the relay is greatly improved.
Description
Technical field
The utility model relates to a kind of relay, particularly relates to a kind of clapper-type electromagnetic relay.
Background technology
Relay is the automatic switch element with isolation features, is widely used in the fields such as communication, automobile, control automatically, household electrical appliance, is one of most important control element.
A kind of clapper-type electromagnetic relay of prior art, generally included magnetic circuit part, moving spring part, the parts such as quiet spring part and base, wherein magnetic circuit part is by iron core, armature, the formation such as yoke and coil, coil consists of enamelled wire and bobbin, enamelled wire is wrapped on bobbin, bobbin is arranged on base, iron core is arranged in the hole of bobbin conventionally, one end of iron core is typically provided with pole shoe, when the actuating of relay, armature can be inhaled to the pole-face of the pole shoe of iron core, the other end and the yoke of iron core fix, yoke is L-type, upper end forms the edge of a knife of yoke, armature can rotate along the edge of a knife of yoke, moving spring part consists of movable contact spring and moving contact, movable contact spring is provided with bending part, one side of the bending part of movable contact spring fixes with yoke, the another side of the bending part of movable contact spring and armature and moving contact fix, quiet spring part consists of static contact spring piece and fixed contact, quiet spring is partly located at the position corresponding with moving contact, so that the fixed contact of quiet spring part can match with the moving contact of moving spring part.
Because iron core and yoke are fixed together, yoke links together with the movable contact spring of moving spring part again, and moving contact is to be connected on movable contact spring, therefore in fact iron core is conducting with moving contact.In the relay course of work, in closed and disconnection process, can there is ablation in moving contact and fixed contact, hard contact material can drop in ablation, be deposited between static contact spring piece and iron core, when hard contact material stacking is abundant, can make dielectric withstanding voltage and insulation resistance between dynamic and static contact greatly decline, finally make fixed contact and iron core conducting on static contact spring piece, that is, fixed contact and moving contact are misleaded, cause equipment short circuit.Meanwhile, electric current directly circulates between the plastics between quiet spring and iron core, can produce amount of heat at frosting, finally makes plastics ignition, burns relay.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of clapper-type electromagnetic relay is provided, by the particular design to the structure of bobbin, and the architecture advances to the pole shoe of iron core, on the one hand, can increase the creepage distance between iron core and static contact spring piece, with the moving contact avoiding causing due to deposit contact splash between fixed contact and iron core and fixed contact, mislead and cause electric accident; On the other hand, can greatly improve the shock resistance of relay.
The utility model solves the technical scheme that its technical problem adopts: a kind of clapper-type electromagnetic relay, comprises magnetic circuit part, moving spring part and quiet spring part; Described magnetic circuit part comprises iron core, armature, yoke and coil; Described coil comprises bobbin and is wrapped in the enamelled wire on bobbin; Described bobbin is provided with along vertical through hole, and iron core fills in this through hole, and the upper end of iron core is provided with pole shoe, and lower end and the yoke of iron core fix; Described moving spring partly comprises movable contact spring and moving contact, and described quiet spring partly comprises static contact spring piece and is fixed on the fixed contact on static contact spring piece; The upper end of described bobbin is extended and is provided with installation portion to a side, and described static contact spring piece is contained in described installation portion, and described moving contact matches with fixed contact at described installation portion place; On the bobbin between described through hole and described installation portion, be provided with at least one barricade, so that the pole shoe that is contained in bobbin through hole is separated with the static contact spring piece that is contained in installation portion place.
One side of described pole shoe is provided with section, and described section is located at the direction matching towards described dynamic and static contact.
Described barricade is one, and this barricade is located near described through hole here, and corresponding with the armature that is fixed in movable contact spring, and the bottom of armature when the height of barricade is not less than relay reset, with the direction play that stops armature to match to dynamic and static contact.
Described barricade is two, between two barricades, form the groove that is used for holding contact splash, one of them barricade is located near described through hole here, and corresponding with the armature that is fixed in movable contact spring, the bottom of armature when the height of this barricade is not less than relay reset, with the direction play that stops armature to match to dynamic and static contact.
Described barricade and bobbin are structure as a whole.
Described movable contact spring is provided with bending part, and one side of the bending part of movable contact spring fixes and be engaged in the top of the pole shoe of iron core with armature, and moving contact is fixed on the termination on one side of the bending part of described movable contact spring.
The beneficial effects of the utility model are:
1, the utility model is extended and is provided with installation portion to a side by the upper end at bobbin, and described static contact spring piece is contained in described installation portion, allows described moving contact match with fixed contact at described installation portion place; On the bobbin between described through hole and described installation portion, be integrally formed with at least one barricade, so that the pole shoe that is contained in bobbin through hole is separated with the static contact spring piece that is contained in installation portion place; Owing to there being barricade, so just can increase the pole shoe of iron core and the creepage distance between static contact spring piece;
2, the utility model is by the pole shoe of iron core is clipped to a part, one side be about to pole shoe near the clipping of static contact spring piece, so also can increase the pole shoe of iron core and the creepage distance between static contact spring piece;
3, the utility model is by clipping a part by the pole shoe of iron core, simultaneously, on the bobbin between static contact spring piece and iron core, barricade is set, after dynamic and static pitting of contact, hard contact splash can be intercepted by barricade, thereby can stop metal splash to fly away to iron core end from tip side, but also can utilize formed groove between two barricades, hold hard contact splash; Can improve dynamic and static contact between creepage distance and dielectric withstanding voltage, and can effectively avoid the moving contact that causes due to deposit contact splash between fixed contact and iron core and fixed contact the caused electric accident that misleads;
4, the utility model is by being located near described through hole here one in barricade or two barricades, and corresponding with the armature that is fixed in movable contact spring, and the bottom of armature when the height of this barricade is not less than relay reset, when relay is when length direction is subject to impacting, armature will be toward contact direction play, existence due to barricade, can play the position-limiting action at length direction to armature, make armature and moving contact can not depart from normal position because relay is impacted, can greatly improve the shock resistance of relay.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of clapper-type electromagnetic relay of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
Fig. 3 is the bobbin of the present utility model organigram of (comprising base);
Fig. 4 is the bobbin of the present utility model vertical view of (comprising base);
Fig. 5 is the schematic diagram that bobbin of the present utility model packs iron core and quiet spring part into;
Fig. 6 is the structural representation of iron core of the present utility model;
Fig. 7 is local structure schematic diagram of the present utility model.
Embodiment
Embodiment, referring to shown in Fig. 1 to Fig. 7, a kind of clapper-type electromagnetic relay of the present utility model, comprises magnetic circuit part 1, moving spring part 2 and quiet spring part 3; Described magnetic circuit part 1 comprises iron core 11, armature 12, yoke 13 and coil; Described coil comprises enamelled wire 14 and bobbin 15, and described enamelled wire 14 is wrapped on bobbin 15, and described bobbin 15 is arranged on base 4, and in the present embodiment, bobbin 15 is structure as a whole with base 4; Described bobbin 15 is provided with along vertical through hole 151, and iron core 11 is contained in the through hole 151 of bobbin, and the upper end of iron core 11 is provided with pole shoe 111, and the lower end of iron core 11 and yoke 13 fix; Yoke 13 is L-type, and upper end forms the edge of a knife of yoke 13, and armature 12 can rotate along the edge of a knife of yoke; Described moving spring part 2 comprises movable contact spring 21 and moving contact 22, described movable contact spring 21 is provided with bending part, one side of the bending part of movable contact spring and armature 12 fix and are engaged in the top of the pole shoe 111 of iron core, moving contact 22 is fixed on the termination on one side of the bending part of described movable contact spring 21, and moving contact 22 and armature 12 are all in same one side of the bending part of movable contact spring 21; Described quiet spring part 3 comprises static contact spring piece 31 and is fixed on the fixed contact 32 on static contact spring piece, and described static contact spring piece 31 is contained in the position that can make dynamic and static contact match; One side of described pole shoe 111 is provided with section 112, and described section 112 is located at the direction matching towards described dynamic and static contact.
The upper end of described bobbin 15 is extended and is provided with installation portion 152 to a side, described static contact spring piece 31 and fixed contact 32 thereof are contained in described installation portion 152, described moving contact 22 matches with fixed contact 32 at described installation portion 152 places, on the bobbin 15 between described through hole 151 and described installation portion 152, be integrally formed with at least one barricade, so that the static contact spring piece 31 at the pole shoe of bobbin through hole 11 and installation portion place is separated.
In the present embodiment, described barricade is two, be barricade 153 and barricade 154, between barricade 153 and barricade 154, form the groove 155 that is used for holding contact splash, one of them barricade is that barricade 153 is located near described through hole 151 here, and corresponding with the armature 12 that is fixed in movable contact spring, the bottom of armature 12 when the height of this barricade 153 is not less than relay reset, with the direction play that stops armature 12 to match to dynamic and static contact.
Certainly, described barricade also can be one, when only having a barricade, this barricade is located near described through hole here, and corresponding with the armature that is fixed in movable contact spring, the bottom of armature when the height of barricade is not less than relay reset, with the direction play that stops armature to match to dynamic and static contact.
A kind of clapper-type electromagnetic relay of the present utility model, that the pole shoe of iron core 11 111 is clipped to a part, being about to pole shoe 111 clips and forms section 112 near one side of static contact spring piece 31, like this, originally the creepage distance between pole shoe and static contact spring piece has just increased section 112 these segment distances, therefore, can increase the pole shoe of iron core and the creepage distance between static contact spring piece.Simultaneously, it is barricade 153 and barricade 154 that barricade is set on the bobbin between static contact spring piece 31 and iron core 11, after dynamic and static pitting of contact, hard contact splash can be intercepted by barricade, thereby can stop metal splash to fly away to iron core end from tip side, but also can utilize formed groove 155 between two barricades, and the region 156 between barricade 154 and fixed contact 32, hard contact splash held; Thereby can improve dynamic and static contact between creepage distance and dielectric withstanding voltage, and can effectively avoid the moving contact that causes due to deposit contact splash between fixed contact 32 and iron core 11 and fixed contact the caused electric accident that misleads; Barricade 153 is located near described through hole 151 here, and corresponding with the armature 12 that is fixed in movable contact spring, and the bottom of armature 12 when the height of this barricade 153 is not less than relay reset, when relay is when length direction is subject to impacting, armature 12 will be toward contact direction play, existence due to barricade 153, can play the position-limiting action at length direction to armature 12, make armature 12 and moving contact 22 can not depart from normal position because relay is impacted, can greatly improve the shock resistance of relay.
Above-described embodiment is only used for further illustrating a kind of clapper-type electromagnetic relay of the present utility model; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection range of technical solutions of the utility model.
Claims (7)
1. a clapper-type electromagnetic relay, comprises magnetic circuit part, moving spring part and quiet spring part; Described magnetic circuit part comprises iron core, armature, yoke and coil; Described coil comprises bobbin and is wrapped in the enamelled wire on bobbin; Described bobbin is provided with along vertical through hole, and iron core fills in this through hole, and the upper end of iron core is provided with pole shoe, and lower end and the yoke of iron core fix; Described moving spring partly comprises movable contact spring and moving contact, and described quiet spring partly comprises static contact spring piece and is fixed on the fixed contact on static contact spring piece; It is characterized in that: the upper end of described bobbin is extended and is provided with installation portion to a side, and described static contact spring piece is contained in described installation portion, and described moving contact matches with fixed contact at described installation portion place; On the bobbin between described through hole and described installation portion, be provided with at least one barricade, so that the pole shoe that is contained in bobbin through hole is separated with the static contact spring piece that is contained in installation portion place.
2. clapper-type electromagnetic relay according to claim 1, is characterized in that: one side described pole shoe be provided with section, described section is located at the direction matching towards described dynamic and static contact.
3. clapper-type electromagnetic relay according to claim 1 and 2, it is characterized in that: described barricade is one, this barricade is located near described through hole here, and corresponding with the armature that is fixed in movable contact spring, the bottom of armature when the height of barricade is not less than relay reset, with the direction play that stops armature to match to dynamic and static contact.
4. clapper-type electromagnetic relay according to claim 1 and 2, it is characterized in that: described barricade is two, between two barricades, form the groove that is used for holding contact splash, one of them barricade is located near described through hole here, and corresponding with the armature that is fixed in movable contact spring, the bottom of armature when the height of this barricade is not less than relay reset, with the direction play that stops armature to match to dynamic and static contact.
5. clapper-type electromagnetic relay according to claim 3, is characterized in that: described barricade and bobbin are structure as a whole.
6. clapper-type electromagnetic relay according to claim 4, is characterized in that: described barricade and bobbin are structure as a whole.
7. clapper-type electromagnetic relay according to claim 1, it is characterized in that: described movable contact spring is provided with bending part, one side of the bending part of movable contact spring fixes and is engaged in the top of the pole shoe of iron core with armature, moving contact is fixed on the termination on one side of the bending part of described movable contact spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320496406.4U CN203406234U (en) | 2013-08-14 | 2013-08-14 | Clapper-type electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320496406.4U CN203406234U (en) | 2013-08-14 | 2013-08-14 | Clapper-type electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406234U true CN203406234U (en) | 2014-01-22 |
Family
ID=49942157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320496406.4U Withdrawn - After Issue CN203406234U (en) | 2013-08-14 | 2013-08-14 | Clapper-type electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426687A (en) * | 2013-08-14 | 2013-12-04 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
| CN108321033A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | The electromagnetic relay of pressure-resistant performance between a kind of raising contact |
| CN110444445A (en) * | 2019-08-09 | 2019-11-12 | 四川宏发电声有限公司 | A kind of clapper type relay bobbin and clapper type relay |
-
2013
- 2013-08-14 CN CN201320496406.4U patent/CN203406234U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426687A (en) * | 2013-08-14 | 2013-12-04 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
| CN103426687B (en) * | 2013-08-14 | 2015-10-28 | 厦门宏发电声股份有限公司 | A kind of clapper-type electromagnetic relay |
| CN108321033A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | The electromagnetic relay of pressure-resistant performance between a kind of raising contact |
| CN110444445A (en) * | 2019-08-09 | 2019-11-12 | 四川宏发电声有限公司 | A kind of clapper type relay bobbin and clapper type relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |