CN203882905U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN203882905U CN203882905U CN201420229615.7U CN201420229615U CN203882905U CN 203882905 U CN203882905 U CN 203882905U CN 201420229615 U CN201420229615 U CN 201420229615U CN 203882905 U CN203882905 U CN 203882905U
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- CN
- China
- Prior art keywords
- push rod
- armature
- fixed
- electromagnetic relay
- contact sheet
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an electromagnetic relay comprising an outer shell, an electromagnet, an armature, a connecting rod, a push rod, a fixed block, a moving contact sheet and a static contact sheet, wherein the electromagnet is fixed on the bottom part of the outer shell and comprises an electromagnet coil, a yoke and lead pins; the armature is provided with two rectangular grooves, two limiting nails corresponding to the grooves are arranged in the outer shell, the grooves sleeve the limiting nails and are elastically connected the snails through springs, two ends of the connecting rod are respectively hinged onto the armature and the push rod, the fixed block is fixedly connected onto the bottom part of the outer shell and is provided with a via hole, the push rod runs through the via hole and contacts with the moving contact sheet, the moving contact sheet and the static contact sheet are fixed on the outer shell, and the other end of moving contact sheet is provided with a moving contact head while the other end of the static contact sheet is provided with a static contact head. The electromagnetic relay is advantaged by simple structure, small size, low energy consumption and the like; the moving contact sheet is high in heat dissipation performance, and long time of normal operation of the relay can be ensured.
Description
Technical field
The utility model relates to a kind of relay, is specifically related to a kind of electromagnetic relay.
Background technology
Use at present relay comparatively widely to comprise: housing, electromagnet coil assembly, magnetic steel component, movable contact spring assembly, static contact, stator.During work, if on coil certain voltage in addition, on coil, will pass through certain electric current, thus generation electromagnetic induction effect, armature will move to electromagnet under the attraction of magnetic force, thus with moving contact and the fixed contact adhesive of moving armature.
Existing relay has the following disadvantages above: because movable contact spring is directly connected with armature, so electromagnet need to directly overcome the elastic force of movable contact spring when adhesive, so electromagnet needs enough greatly so that required magnetic force to be provided; In addition movable contact spring works long hours, and because area of dissipation is little, causes excess Temperature, affects the whole service life of relay.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide linkage between a kind of armature and movable contact spring, can use electromagnetic actuation movable contact spring and the static contact of smaller size smaller; Provide a kind of movable contact spring to there is larger area of dissipation simultaneously, be difficult for the relay damaging because of excess Temperature.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of electromagnetic relay, and it comprises shell, electromagnet, armature, connecting rod, push rod, fixed block, movable contact spring and static contact; Described electromagnet is fixed on outer casing bottom and comprises solenoid, yoke, pin; On described armature, be provided with the groove of two rectangles, the inside at shell is correspondingly provided with two pieces of banking pins, and described groove is set on described banking pin, and by spring, realizes elasticity and connect; The two ends of described connecting rod respectively with armature and push rod chain connection; Described fixed block is fixedly connected on the bottom of shell and is provided with a through hole thereon, and described push rod passes through hole and contacts with movable contact spring; Described movable contact spring and static contact are all fixed on shell, and its other end is respectively arranged with moving contact and fixed contact.
Wherein, on described movable contact spring, there is one section for arch projection.
Wherein, the through-hole diameter on described fixed block is greater than the diameter of push rod.
Wherein, described connecting rod and push rod all adopt insulating material to make.
Wherein, described moving contact and fixed contact all adopt dome structures.
(3) beneficial effect
Compared with prior art, the utility model adopts between armature and movable contact spring linkage is set, and can use electromagnetic actuation movable contact spring and the static contact of smaller size smaller, dwindles relay volume and reduces the power consumption of relay itself; On movable contact spring, be provided with arch projection simultaneously and make movable contact spring there is larger area of dissipation, be difficult for damaging relay because of excess Temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electromagnetic relay.
Fig. 2 is the schematic diagram of the utility model electromagnetic relay attracting state.
Fig. 3 is the contact position schematic diagram of the utility model electromagnetic relay fixed contact and moving contact.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
The structure of the utility model electromagnetic relay as shown in Figure 1, comprises shell 1, electromagnet 6, armature 10, connecting rod 12, push rod 5, fixed block 4, movable contact spring 3 and static contact 2; Described electromagnet 6 is fixed on shell 1 bottom and comprises solenoid 8, yoke 9, pin 7; On described armature 10, be provided with the groove 101 of two rectangles, the inside at shell 1 is correspondingly provided with two pieces of banking pins 11, and described groove 101 is set on described banking pin 11, and by spring 13, realizes elasticity and connect; The two ends of described connecting rod 12 respectively with armature 10 and push rod 5 chain connections; Described fixed block 4 is fixedly connected on the bottom of shell 1 and is provided with a through hole thereon, and described push rod 5 passes through hole and contacts with movable contact spring 3; Described movable contact spring 3 is all fixed on shell 1 with static contact 2, and its other end is respectively arranged with moving contact 301 and fixed contact 201.
Preferably, have one section for arch projection on described movable contact spring 3, this arch projection can increase the area of dissipation of movable contact spring 3, can effectively prevent because of movable contact spring 3 work long hours cause heating up too fast, thereby affect the whole service life of relay.
Preferably, the through-hole diameter on described fixed block 4 is greater than the diameter of push rod 5, thereby push rod 5 can be free to slide in the through hole on fixed block 4, and this through hole also plays spacing effect simultaneously, can guarantee the translation in the horizontal direction of described push rod 5.This outside connecting rod 12 and push rod 5 all adopt insulating material to make, and for realizing the isolation of control circuit and controlled circuit, have guaranteed the use safety of relay.
Preferably, described moving contact 301 and fixed contact 201 all adopt dome structures, thereby realize between moving contact 301 and fixed contact 201 with the form a contacting contact, prevent from sticking together between contact.
During combined floodgate, by pin 7, give in addition certain voltage of solenoid 8, and in this loop generation current, by electromagnetic induction, make electromagnet 6 there is magnetic, attract armature 10 to make it near electromagnet 6; The elastic force that armature 10 overcomes spring 13 moves down, described armature 10 promotes push rod 5 by connecting rod 12 and is moved to the left, described push rod 5 promotes movable contact spring 3 left makes it produce strain, finally makes moving contact 301 contact and realize the connection of controlled circuit with fixed contact 201, as shown in Figure 2.
Be illustrated in figure 3 the contact position schematic diagram of fixed contact and moving contact, when a is depicted as moving contact 301 and has just contacted with fixed contact 201, now moving contact 301 with the contact point of fixed contact 201 in A position, along with the strain of movable contact spring 3 makes moving contact 301 and the contact point of fixed contact 201 move to B as shown in b.In attracting process, the change of contact point has effectively reduced the possibility of adhesion between moving contact 301 and fixed contact 201, has improved reliability and the useful life of relay;
These are only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. an electromagnetic relay, is characterized in that: comprise shell, electromagnet, armature, connecting rod, push rod, fixed block, movable contact spring and static contact; Described electromagnet is fixed on outer casing bottom and comprises solenoid, yoke, pin; On described armature, be provided with the groove of two rectangles, the inside at shell corresponding with described groove is provided with two pieces of banking pins, and described groove is set on described banking pin, and by spring, realizes elasticity and connect; The two ends of described connecting rod respectively with armature and push rod chain connection; Described fixed block is fixedly connected on the bottom of shell and is provided with a through hole thereon, and described push rod passes through hole and contacts with movable contact spring; Described movable contact spring and static contact are all fixed on shell, and its other end is respectively arranged with moving contact and fixed contact.
2. electromagnetic relay according to claim 1, is characterized in that: on described movable contact spring, have one section for arch projection.
3. electromagnetic relay according to claim 1, is characterized in that: the through-hole diameter on described fixed block is greater than the diameter of push rod.
4. electromagnetic relay according to claim 1, is characterized in that: described connecting rod and push rod all adopt insulating material to make.
5. according to the electromagnetic relay described in claim 1-4 any one, it is characterized in that: described moving contact and fixed contact all adopt dome structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229615.7U CN203882905U (en) | 2014-05-06 | 2014-05-06 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229615.7U CN203882905U (en) | 2014-05-06 | 2014-05-06 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882905U true CN203882905U (en) | 2014-10-15 |
Family
ID=51683379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229615.7U Expired - Fee Related CN203882905U (en) | 2014-05-06 | 2014-05-06 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882905U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492472A (en) * | 2017-10-09 | 2017-12-19 | 北京中辰博达科技有限公司 | Relay |
| CN108447740A (en) * | 2018-06-02 | 2018-08-24 | 宁波赛特勒电子有限公司 | A kind of relay |
| CN109378256A (en) * | 2018-10-22 | 2019-02-22 | 安徽银点电子科技有限公司 | A kind of push type relay |
| CN110517932A (en) * | 2019-09-25 | 2019-11-29 | 海盐伟佳电器科技有限公司 | A kind of relay of good heat dissipation effect |
| CN117292980A (en) * | 2023-11-27 | 2023-12-26 | 东莞市元则电器有限公司 | New energy electromagnetic relay capable of automatically cooling |
-
2014
- 2014-05-06 CN CN201420229615.7U patent/CN203882905U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492472A (en) * | 2017-10-09 | 2017-12-19 | 北京中辰博达科技有限公司 | Relay |
| CN107492472B (en) * | 2017-10-09 | 2020-05-08 | 北京中辰博达科技有限公司 | Relay with a movable contact |
| CN108447740A (en) * | 2018-06-02 | 2018-08-24 | 宁波赛特勒电子有限公司 | A kind of relay |
| CN108447740B (en) * | 2018-06-02 | 2024-04-19 | 宁波赛特勒电子有限公司 | Relay |
| CN109378256A (en) * | 2018-10-22 | 2019-02-22 | 安徽银点电子科技有限公司 | A kind of push type relay |
| CN109378256B (en) * | 2018-10-22 | 2019-11-08 | 安徽银点电子科技有限公司 | A kind of push type relay |
| CN110517932A (en) * | 2019-09-25 | 2019-11-29 | 海盐伟佳电器科技有限公司 | A kind of relay of good heat dissipation effect |
| CN117292980A (en) * | 2023-11-27 | 2023-12-26 | 东莞市元则电器有限公司 | New energy electromagnetic relay capable of automatically cooling |
| CN117292980B (en) * | 2023-11-27 | 2024-01-26 | 东莞市元则电器有限公司 | New energy electromagnetic relay capable of automatically cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20150506 |
|
| EXPY | Termination of patent right or utility model |