CN207038446U - A kind of narrow AC relay that restoring force is produced by extension spring - Google Patents
A kind of narrow AC relay that restoring force is produced by extension spring Download PDFInfo
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- CN207038446U CN207038446U CN201720600505.0U CN201720600505U CN207038446U CN 207038446 U CN207038446 U CN 207038446U CN 201720600505 U CN201720600505 U CN 201720600505U CN 207038446 U CN207038446 U CN 207038446U
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- extension spring
- bobbin
- armature
- relay
- produced
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Abstract
The utility model discloses a kind of narrow AC relay that restoring force is produced by extension spring, including magnetic circuit system, the magnetic circuit system to include bobbin, sets cored on the bobbin, and coil is provided with the iron core；Wherein, the upper end of the bobbin is connected with the armature being engaged with the iron core, one end and the movable contact spring contact portion of the armature, and the other end of the armature is connected by extension spring with the bottom of the bobbin；Wherein, the pitch of the extension spring increases setting to both sides successively in centre.The extension spring that the utility model increases setting using pitch successively in centre to both sides is resetted instead of traditional copper sheet, and the sensitivity for substantially increasing extension spring is higher so that the functional reliability of relay is higher.
Description
Technical field
It the utility model is related to a kind of narrow AC relay that restoring force is produced by extension spring.
Background technology
Because PLC or industrial control microcomputer output can not often directly drive executing agency, so in automatic field, it is typically all
PLC or the miniature relay of industrial control microcomputer output, then by other loads of miniature relay amplification driving, so should in automation
In the case of increasingly wider, the application of miniature relay is also more and more.But the magnetic circuit part of relay of the prior art
Including being mainly made up of bobbin, iron core, coil, armature and movable contact spring contact, and armature therein is the copper sheet by setting
Resetted, jumping phenomena, and switch-on and -off, poor reliability easily occur during its work.
Utility model content
The purpose of the utility model is that a kind of narrow that restoring force is produced by extension spring is provided the defects of presence for prior art
AC relay.
The utility model to achieve the above object, adopts the following technical scheme that：A kind of narrow that restoring force is produced by extension spring
AC relay, including magnetic circuit system, the magnetic circuit system include bobbin, cored, the iron are set on the bobbin
Coil is provided with core；Wherein, the upper end of the bobbin is connected with the armature being engaged with the iron core, the armature
One end and movable contact spring contact portion, the other end of the armature is connected by extension spring with the bottom of the bobbin；Wherein, institute
The pitch for stating extension spring increases setting to both sides successively in centre.
The beneficial effects of the utility model：The utility model increases the extension spring of setting using pitch successively in centre to both sides
Resetted instead of traditional copper sheet, the sensitivity for substantially increasing extension spring is higher so that the functional reliability of relay is higher.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Shown in Fig. 1, it is related to a kind of narrow AC relay that restoring force is produced by extension spring, including magnetic circuit system, the magnetic
Road system includes bobbin 1, and cored 2 are set on the bobbin 1, coil 3 is provided with the iron core 2；Wherein, the line
The upper end of coil 1 is connected with the armature 4 being engaged with the iron core 2, and one end and the movable contact spring contact 5 of the armature 4 connect
Connect, the other end of the armature 4 is connected by extension spring 6 with the bottom of the bobbin 11.During work, to coil electricity, iron core
Powerful electromagnetic force is produced, moving armature is inhaled and drives movable contact spring contact so that contacting works, after coil blackout, extension spring band
Moving armature causes reed contact to reset so that contact disconnects work.This utility model using pitch in centre to both sides successively
The extension spring that increase is set is resetted instead of traditional copper sheet, and the sensitivity for substantially increasing extension spring is higher so that relay
Functional reliability is higher.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (1)
- A kind of 1. narrow AC relay that restoring force is produced by extension spring, it is characterised in that including magnetic circuit system, the magnetic circuit system System includes bobbin, sets cored on the bobbin, and coil is provided with the iron core；Wherein, the bobbin is upper End is connected with the armature being engaged with the iron core, one end of the armature and movable contact spring contact portion, the armature The other end is connected by extension spring with the bottom of the bobbin；Wherein, the pitch of the extension spring increases successively in centre to both sides Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600505.0U CN207038446U (en) | 2017-05-26 | 2017-05-26 | A kind of narrow AC relay that restoring force is produced by extension spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600505.0U CN207038446U (en) | 2017-05-26 | 2017-05-26 | A kind of narrow AC relay that restoring force is produced by extension spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038446U true CN207038446U (en) | 2018-02-23 |
Family
ID=61470057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600505.0U Active CN207038446U (en) | 2017-05-26 | 2017-05-26 | A kind of narrow AC relay that restoring force is produced by extension spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038446U (en) |
-
2017
- 2017-05-26 CN CN201720600505.0U patent/CN207038446U/en active Active
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| GR01 | Patent grant |