CN203644679U - Reverse-pushing rod auxiliary recovery structure of relay magnetic circuit portion - Google Patents
Reverse-pushing rod auxiliary recovery structure of relay magnetic circuit portion Download PDFInfo
- Publication number
- CN203644679U CN203644679U CN201320846042.8U CN201320846042U CN203644679U CN 203644679 U CN203644679 U CN 203644679U CN 201320846042 U CN201320846042 U CN 201320846042U CN 203644679 U CN203644679 U CN 203644679U
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- China
- Prior art keywords
- relay
- reverse
- push rod
- pushing rod
- magnetic circuit
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- Expired - Lifetime
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- 238000011084 recovery Methods 0.000 title abstract 2
- 239000011521 glass Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000004579 marble Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 235000014676 Phragmites communis Nutrition 0.000 abstract 6
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The utility model discloses a reverse-pushing rod auxiliary recovery structure of a relay magnetic circuit portion. The structure comprises a reverse-pushing rod. The reverse-pushing rod is arranged at one side of a moving reed, and a main pushing rod is arranged at the other side of the moving reed. The reverse-pushing rod is connected with a movable part of the relay magnetic circuit portion. According to the utility model, the reverse-pushing rod is welded to an armature of the movable part of the relay magnetic circuit portion, the reverse-pushing rod rotates along with the armature while the armature rotates, thus a pushing force is applied to the side surface of the moving reed, under the effect of the pushing force, the moving reed is separated from a normally open contact, and the adhesion phenomenon between the moving reed and the normally open contact is avoided. The reverse-pushing rod is synchronous with the magnetic circuit portion in action, thereby accurately ensuring that the normally open contact is open the moment that the circuit is broken, so that the adhesion failure of the normally open contact is avoided. In the whole suction process, a certain distance exists between a glass ball and the moving reed, so that the suction characteristics of a relay are not influenced in the suction process of the relay, the counterforce characteristic of the relay is improved, and the release value is increased.
Description
Technical field
The utility model relates to the auxiliary structure of restoring of the anti-push rod of a kind of energized relay circuit part, belongs to relay technical field.
Background technology
Relay is divided into midget relay, subminiature relay and miniature relay according to overall dimension difference, be divided into weak power relay, middle power relay and high power relay according to bearing power difference, according to the version of magnetic circuit system, can be divided into clapper-type, suction-type and rotary.The design feature of rotary structure magnetic circuit part is that the motion of armature is around the rotation of profile shaft line wherein.Large (more than 15A) of the load current that the small-sized class relay contact of high power switches, when switch load, relay contact is in the moment that disconnects and connect, the rebound of make contact increases the contact resistance of make contact, under the effect of large electric current, make contact heating sharply increases, make contact generation adhesive failure, between movable contact spring and make contact, there will be of short duration bonding phenomenon, this kind of adhesive failure is because the disconnection rebound of make contact produces, because the make contact rebound duration is shorter, it is less that make contact produces bonding force, under the effect of external force, easily disconnect.
Summary of the invention
The purpose of this utility model is: provide the anti-push rod of a kind of energized relay circuit part the auxiliary structure of restoring, the disjunction power when increasing sealed direct-current electromagnetic relay make contact and disconnecting large current load, effectively overcomes the make contact adhesive failure problem causing of knock-oning.
The technical solution of the utility model: the auxiliary structure of restoring of the anti-push rod of a kind of energized relay circuit part, include anti-push rod, anti-push rod is positioned at a side of movable contact spring, and an other side of movable contact spring is primary push rod, and anti-push rod is connected with the movable member of energized relay circuit part.
The auxiliary structure of restoring of the above-mentioned anti-push rod of energized relay circuit part, described anti-push rod is connected with the movable member armature of energized relay circuit part.
The auxiliary structure of restoring of the above-mentioned anti-push rod of energized relay circuit part, described anti-push rod head end is provided with 1 glass marble.
The auxiliary structure of restoring of the above-mentioned anti-push rod of energized relay circuit part, in relay attracting process, and there is interval between movable contact spring side in described glass marble.
The beneficial effects of the utility model: the utility model is by being welded with an anti-push rod on the movable member armature at relay, anti-push rod in armature rotation process along with armature rotate, can apply a thrust to movable contact spring side, under this thrust, between movable contact spring and make contact, separate, avoid occurring between movable contact spring and make contact bonding phenomenon.Anti-push rod and magnetic circuit part synchronization action, guarantee disjunction make contact when circuit disconnects accurately, effectively overcomes the adhesive failure of make contact.Due to the certain distance in interval between glass marble and movable contact spring in whole attracting process, in the process of relay adhesive, the adhesive characteristic of relay is not exerted an influence, be conducive to improve the spring load characteristic of relay, improve releasing value.The utility model is simple in structure, but practical, has improved relay folding ability, has increased the useful life of relay, and can not have any impact to the performance of relay itself, has good use value.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Reference numeral: 1-primary push rod, the anti-push rod of 2-, 3-movable contact spring, 4-armature, 5-glass marble, 6-back contact, 7-make contact.
Embodiment
Embodiment of the present utility model: the auxiliary structure of restoring of the anti-push rod of a kind of energized relay circuit part, as shown in drawings, include anti-push rod 2, anti-push rod 2 is positioned at a side of movable contact spring 3, an other side of movable contact spring 3 is primary push rod 1, and anti-push rod 2 is connected by modes such as spot welding, riveting dress, welding with the movable member armature 4 of energized relay circuit part.At anti-push rod 2 head ends, 1 glass marble 5 is installed.Glass marble 5 in relay attracting process, the distance certain with movable contact spring 3 intervals, side.
Due to make contact 7 in when energising under the effect of large electric current, make contact 7 is generated heat sharply to be increased, make to there will be between make contact 7 and movable contact spring 3 bonding, after relay circuit disconnects, movable contact spring 3 can move to back contact 6 under magneticaction, this bonding meeting is separated under movable contact spring 3 self rotary action, but still can have the regular hour, and this bonding life period will produce impact greatly to the performance of relay self.On the movable member armature 4 of the magnetic circuit part of relay, be welded with the auxiliary structure of restoring of anti-push rod for this reason.The action of electromagnetic relay in coil galvanization can be divided into several stages and be respectively: non-excitation hold mode, excitation operate condition, excitation hold mode and de-energisation operate condition.When non-excitation operate condition, movable contact spring 3 contacts with back contact 6, between the glass marble 5 of primary push rod 1 and the side of movable contact spring 3, there is certain gap, glass marble 5 interval certain with the lateral distance of movable contact spring 3 of anti-push rod 2, form electromagnetic attraction when producing magnetic flux after coil electricity, mobile armature 4 is subject to the attraction of electromagnetic attraction, and armature 4 is around its central axis rotation.After coil electricity, relay is transformed into excitation operate condition by non-excitation hold mode, now armature 4 can drive primary push rod 1 to rotate in central axis rotation process, the glass marble 5 of primary push rod 1 is fitted with the side of movable contact spring 3, primary push rod 1 can promote movable contact spring 3 and leave back contact 6, close to make contact 7, after excitation keeps stablizing, armature 4 develops with pole shoe, and primary push rod 1 promotes movable contact spring 3 and contacts with make contact 7, in whole process, keeps certain interval, thereby can not occur any interference to the action of movable contact spring 3 between the glass marble 5 of anti-push rod 2 and movable contact spring 3, while being converted to de-energisation operate condition by excitation hold mode, armature 4 is around central axis opposite spin, movable contact spring 3 can be separated from make contact 7, and move to back contact 6, armature 4 reverse rotations drive anti-push rod 2 to rotate simultaneously, in anti-push rod 2 rotary courses, the glass marble 5 of anti-push rod 2 and the contacts side surfaces of movable contact spring 3, movable contact spring 3 is applied to a thrust, thereby avoid occurring between movable contact spring 3 and make contact 7 bonding, in whole process, the certain distance in interval between the glass marble 5 of primary push rod 1 and the another one side of movable contact spring 3, thereby can not there is not any interference to the action of movable contact spring 3, whole process relay is realized the switching of primary circuit.
Claims (4)
1. the auxiliary structure of restoring of the anti-push rod of energized relay circuit part, it is characterized in that: include anti-push rod (2), anti-push rod (2) is positioned at a side of movable contact spring (3), an other side of movable contact spring (3) is primary push rod (1), and anti-push rod (2) is connected with the movable member of energized relay circuit part.
2. the auxiliary structure of restoring of the anti-push rod of energized relay circuit part according to claim 1, is characterized in that: described anti-push rod (2) is connected with the movable member armature (4) of energized relay circuit part.
3. the auxiliary structure of restoring of the anti-push rod of energized relay circuit part according to claim 1 and 2, is characterized in that: described anti-push rod (2) head end is provided with 1 glass marble (5).
4. the auxiliary structure of restoring of the anti-push rod of energized relay circuit part according to claim 3, is characterized in that: described glass marble (5), in relay attracting process, and exists interval between movable contact spring (3) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846042.8U CN203644679U (en) | 2013-12-20 | 2013-12-20 | Reverse-pushing rod auxiliary recovery structure of relay magnetic circuit portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846042.8U CN203644679U (en) | 2013-12-20 | 2013-12-20 | Reverse-pushing rod auxiliary recovery structure of relay magnetic circuit portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644679U true CN203644679U (en) | 2014-06-11 |
Family
ID=50875905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320846042.8U Expired - Lifetime CN203644679U (en) | 2013-12-20 | 2013-12-20 | Reverse-pushing rod auxiliary recovery structure of relay magnetic circuit portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455438A (en) * | 2020-03-11 | 2020-07-28 | 贵州振华群英电器有限公司（国营第八九一厂） | Local electroplating fixture for relay base |
-
2013
- 2013-12-20 CN CN201320846042.8U patent/CN203644679U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455438A (en) * | 2020-03-11 | 2020-07-28 | 贵州振华群英电器有限公司（国营第八九一厂） | Local electroplating fixture for relay base |
| CN111455438B (en) * | 2020-03-11 | 2022-07-15 | 贵州振华群英电器有限公司（国营第八九一厂） | Local electroplating fixture for relay base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |