CN101582352B - Relay for limiting position of armature by reed - Google Patents
Relay for limiting position of armature by reed Download PDFInfo
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- CN101582352B CN101582352B CN2009101117702A CN200910111770A CN101582352B CN 101582352 B CN101582352 B CN 101582352B CN 2009101117702 A CN2009101117702 A CN 2009101117702A CN 200910111770 A CN200910111770 A CN 200910111770A CN 101582352 B CN101582352 B CN 101582352B
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- kink
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Abstract
The invention discloses a relay for limiting position of an armature by a reed, comprising a movable reed, an armature and a yoke iron; the movable reed comprises a first connecting part, a second connecting part and a narrow slice body; the movable reed is fixed with the armature by the first connecting part; the movable reed is fixed with the yoke iron by the second connecting part; the narrow slice body is integrally connected between the first connecting part and the second connecting part; the middle part of the narrow slice body is provided with a bending part; the width of the second connecting part is more than the width of the narrow slice body; two side ends of the second connecting part respectively extend forwards and are provided with fins with narrow widths; the fins are provided with the first bending part which is arranged laterally above the orthogonal connection position between the armature and the yoke iron; the front end part of the fin is bent towards the armaturesurface by the first bending part and a clearance between the front end part of the fin and the armature surface is arranged so as to ensure the free rotation of the armature. The structure of the re lay utilizes two ends of the movable reed to carry out balanced position-limiting at tow ends of the armature, can effectively protect the armature when the relay bears the impact, and can avoid the distortion deformation of the movable reed, thus improving the reliability of the relay product further.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of relay that uses reed to limiting position of armature.
Background technology
Electromagnetic relay is a kind of electronic control device, generally includes parts such as cored, coil, armature, yoke, movable contact spring, contact.As long as add certain voltage at the coil two ends; Will flow through certain electric current in the coil; Thereby the generation galvanomagnetic effect, armature will overcome the pulling force of movable contact spring and inhale to iron core under the effect of electromagnetic attracting force, thereby drives the moving contact of movable contact spring and often open the fixed contact adhesive; Behind coil blackout, the suction of electromagnetism also disappears thereupon, and armature will receive the elastic force effect of movable contact spring and return original position, make the moving contact of movable contact spring with often open that fixed contact breaks off or with normally closed fixed contact adhesive.This break-make of utilizing low-voltage, dry circuit; Come to control indirectly the device of high voltage, heavy current circuit; In circuit, play a part automatic adjusting, safeguard protection, change-over circuit etc., therefore, electromagnetic relay is widely used in the various automatic control equipments.Fig. 1 is the clapper-type electromagnetic relay of prior art, this electromagnetic relay comprise movable contact spring 1 ', armature 2 ', yoke 3 '; Movable contact spring 1 ' respectively and armature 2 ', yoke 3 ' fix, and be provided with the free end 11 that is used for fixing moving contact '; Movable contact spring 1 ' with armature 2 ', yoke 3 ' fixed form generally be adopt movable contact spring 1 ' with armature 2 ' riveted joint after be fixed on again yoke 3 ' on; And with yoke 3 ' edge of a knife 31 ' be fulcrum; The action of control relay contact; The movable contact spring 1 of existing this structure ' in the middle of cut " L " shape and structure 12 ' spacing so that the armature middle part is formed, prevent that armature breaks away from the motion of yoke direction.Certainly, also can be directly movable contact spring to be bent, utilize the power of the press-bending generation of movable contact spring to prevent that armature breaks away from the motion of yoke direction.These structures often show as the spacing deficiency to armature in the impact of product or fall-down test, the distortion that under the impact of armature, is prone to be distorted of moving spring, thus influence reliability of products.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of relay that uses reed to limiting position of armature is provided; Through the improvement to the movable contact spring structure, it is spacing to utilize movable contact spring to carry out balance at the two ends of armature, receives when impacting at relay and can effectively protect armature; Can avoid simultaneously the movable contact spring distortion that is distorted itself, and then improve the reliability of relay product.
The technical solution adopted for the present invention to solve the technical problems is: a kind of relay that uses reed to limiting position of armature comprises movable contact spring, armature, yoke; Movable contact spring is connected between armature and the yoke; This movable contact spring comprises first connecting portion, second connecting portion and arrow gauge body; Movable contact spring fixes through first connecting portion and armature; Movable contact spring fixes through second connecting portion and yoke; Arrow gauge body one is connected between first connecting portion and second connecting portion, and the middle part of arrow gauge body is provided with the kink of the press-bending power that can produce spacing armature; Both sides at yoke edge of a knife face are respectively equipped with a convex shoulder, and the both sides correspondence of armature is provided with a breach, and armature is contained in yoke edge of a knife face place through its breach with the quadrature that cooperates of yoke convex shoulder; The width of said second connecting portion is greater than the width of arrow gauge body; The two side ends of second connecting portion is extended the fin that is provided with narrow width respectively forward; Fin is provided with first kink that is distributed in armature and yoke quadrature junction side top, the leading section of fin through first kink bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates.
Described gap is inner face and the distance between the armature face of the leading section of fin.
Described gap apart from the height dimension of size less than the convex shoulder of said yoke.
The bending angle of described first kink is less than 90 °.
Described fin is divided into leading portion and back segment; The back segment of fin reclines with the yoke face mutually; First kink is located at the leading portion of fin, also is provided with second kink of the epimere of the breach that is used for dodging armature at the leading portion of fin, and described second kink is located at after first kink.
Described first kink and second kink are formed the bending structure of local U type part.
The bending angle of described first kink and second kink is respectively 90 °.
Described movable contact spring also comprises the 3rd connecting portion that is used for fixing moving contact; The width of the 3rd connecting portion is greater than first connecting portion; The both sides of the 3rd connecting portion respectively backward one extend the flank be provided with the narrow width in can the sidepiece of first connecting portion being enclosed in, the flank tail end is free shape; One mitered a connecting piece between the rear end of the both sides of the posterior segment of two flanks and first connecting portion.
The leading section that described two fins bend towards the armature face is located at the outside of the rear of two flanks respectively.
A kind of relay that uses reed to limiting position of armature of the present invention; Be on the movable contact spring of yoke face, to be provided with two fins by the extension of two side direction armature faces; Article two, the leading section of fin the hinge place of armature and yoke bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates; It is spacing that the leading section of fin forms effective balance in the both sides of armature to armature, can improve the shock resistance of relay.The 3rd connecting portion of movable contact spring is in the head zone of movable contact spring, is used for fixing moving contact; First connecting portion of movable contact spring is in the central region of movable contact spring, is used for fixing with armature; Second connecting portion of movable contact spring is in the tail region of movable contact spring, is used for fixing with yoke; Adopt the arrow gauge body to join between first connecting portion and second connecting portion,, help using less suction promptly to drive the action of relay like this because the arrow gauge body is littler than the integral width of movable contact spring; The both sides of armature are provided with breach, and the both sides of yoke edge of a knife face are provided with convex shoulder, and the breach of armature is engaged in the convex shoulder place of yoke, and armature is rotating shaft with yoke edge of a knife face, on-off that can control relay; The middle part of arrow gauge body is provided with kink, and the power that produces with the press-bending of the kink of movable contact spring prevents that armature breaks away from the motion of yoke direction.
The invention has the beneficial effects as follows; Owing to adopted width to be designed to width greater than the arrow gauge body with second connecting portion; And the two side ends of second connecting portion is extended the fin be provided with narrow width respectively forward, and fin is provided with first kink that is distributed in above armature and the yoke quadrature junction side, the leading section of fin through first kink bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates; This gap littler than the convex shoulder height dimension of yoke apart from size; It is spacing that the leading section of the fin of this structure can form effective balance to armature in the both sides of armature, receives when impacting and can effectively protect armature at relay, avoids occurring armature and break away from yoke edge of a knife face; Prevent the movable contact spring distortion that is distorted itself simultaneously, and then improved the reliability and the shock resistance of relay product; Because first kink and second kink are formed the bending structure of local U type part, have improved intensity, guarantee that spacing size H's (being inner face and the distance between the armature face of the leading section of fin) is more stable.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But a kind of reed that uses of the present invention is not limited to embodiment to the relay of limiting position of armature.
Description of drawings
Fig. 1 is the organigram of the electromagnetic relay of prior art;
Fig. 2 is embodiment one organigram of the present invention;
Fig. 3 is embodiment one a structure decomposing schematic representation of the present invention;
Fig. 4 is the organigram that embodiment one movable contact spring of the present invention is installed;
Fig. 5 is the end view that embodiment one movable contact spring of the present invention is installed;
Fig. 6 is along the A portion enlarged diagram among Fig. 5;
Fig. 7 is the organigram that embodiment two movable contact springs of the present invention are installed;
Fig. 8 is the end view that embodiment two movable contact springs of the present invention are installed.
Embodiment
Embodiment one; To shown in Figure 6, a kind of relay that uses reed to limiting position of armature of the present invention mainly includes movable contact spring 1, armature 2, yoke 3, moving contact parts 4, iron core 5 referring to Fig. 2; Bobbin 6, a load leading foot 7, another load leading foot 8 and base 9; Form moving spring-armature assembly by movable contact spring 1, armature 2, moving contact parts 4; Constitute the magnetic circuit part by major parts such as yoke 3, iron core 5, bobbins 6; Constitute base portion by a load leading foot 7, another load leading foot 8 and base 9.
Gap H is inner face and the distance between the armature face of the leading section 1711 of fin 17.
Gap H apart from the size of size less than the height H 1 of the convex shoulder of said yoke.
The gap H that armature 2 freely rotates, littler than convex shoulder height H 1, thus guarantee that armature is when being hit; The distance that armature 2 leaves the edge of a knife receives effective restriction; Under moving spring (being fin 17) press-bending dynamics effect, can automatically reset, thereby mention the shock resistance of product.
The leading section 1711 that the leading portion of two fins 17 bends towards the armature face is located at the outside of the tail end 141 of two flanks respectively.
The bending angle of first kink 1701 and second kink 1702 is respectively 90 °.
A kind of relay that uses reed to limiting position of armature of the present invention; Be on the movable contact spring of yoke face, to be provided with two fins 17 by the extension of two side direction armature faces; Article two, the leading section 1711 of fin 17 the hinge place of armature and yoke bend towards the armature face and and the armature face between be provided with the gap H that can guarantee that armature freely rotates; It is spacing that the leading section 1711 of fin forms effective balance in the both sides of armature to armature 2, can improve the shock resistance of relay.The 3rd connecting portion 13 of movable contact spring is in the head zone of movable contact spring 1, is used for fixing moving contact 4; First connecting portion 11 of movable contact spring is in the central region of movable contact spring, is used for fixing with armature 2; Second connecting portion 12 of movable contact spring is in the tail region of movable contact spring, is used for fixing with yoke 3; Adopt arrow gauge body 15 to join between first connecting portion 11 and second connecting portion 12,, help using less suction promptly to drive the action of relay like this because arrow gauge body 15 is littler than the integral width of movable contact spring; The both sides of armature 2 are provided with breach 21, and the both sides of yoke edge of a knife face 31 are provided with convex shoulder 311, and the breach 21 of armature is engaged in convex shoulder 311 places of yoke, and armature 2 is rotating shaft with yoke edge of a knife face 31, on-off that can control relay; The middle part of arrow gauge body is provided with kink 151, and the power that produces with the press-bending of the kink 151 of movable contact spring prevents that armature breaks away from the motion of yoke direction.
Owing to adopted width to be designed to width greater than arrow gauge body 15 with second connecting portion 12; And the two side ends of second connecting portion 12 is extended the fin 17 that is provided with narrow width respectively forward; Fin 17 is provided with the leading portion 171 that the edge of a knife face with yoke is orthogonal, the leading section 1711 of fin leading portion bend towards the armature face and and the armature face between be provided with the gap H that can guarantee that armature freely rotates; It is spacing that the leading section 1711 of the fin of this structure can form effective balance to armature in the both sides of armature; Receive when impacting at relay and can effectively protect armature; The movable contact spring distortion that is distorted itself be can avoid simultaneously, and then the reliability and the shock resistance of relay product improved.
Embodiment two; To shown in Figure 8, a kind of relay that uses reed to limiting position of armature of the present invention is with the difference of embodiment one referring to Fig. 7; Fin 17 is not further divided into leading portion and back segment; Only be provided with i.e. first kink 1701 of a turn of bilge, fin 17 is actually to be had only place press-bending and not to form bending, and the bending angle of first kink 1701 is less than 90 °.
The foregoing description only is used for further specifying a kind of relay that uses reed to limiting position of armature of the present invention; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls in the protection range of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (9)
1. a relay that uses reed to limiting position of armature comprises movable contact spring, armature, yoke; Movable contact spring is connected between armature and the yoke; This movable contact spring comprises first connecting portion, second connecting portion and arrow gauge body; Movable contact spring fixes through first connecting portion and armature; Movable contact spring fixes through second connecting portion and yoke; Arrow gauge body one is connected between first connecting portion and second connecting portion, and the middle part of arrow gauge body is provided with the kink of the press-bending power that can produce spacing armature; It is characterized in that: the both sides at yoke edge of a knife face are respectively equipped with a convex shoulder, and the both sides of armature correspondence respectively are provided with a breach, and armature is contained in yoke edge of a knife face place through its breach with the quadrature that cooperates of yoke convex shoulder; The width of said second connecting portion is greater than the width of arrow gauge body; The two side ends of second connecting portion is extended the fin that is provided with narrow width respectively forward; Fin is provided with first kink that is distributed in armature and yoke quadrature junction side top, the leading section of fin through first kink bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates.
2. use reed according to claim 1 is characterized in that the relay of limiting position of armature: described gap is inner face and the distance between the armature face of the leading section of fin.
3. use reed according to claim 2 is characterized in that the relay of limiting position of armature: described gap apart from the height dimension of size less than the convex shoulder of said yoke.
4. use reed according to claim 1 is characterized in that the relay of limiting position of armature: the bending angle of described first kink is less than 90 °.
5. use reed according to claim 1 is characterized in that the relay of limiting position of armature: described fin is divided into leading portion and back segment; The back segment of fin reclines with the yoke face mutually; First kink is located at the leading portion of fin, also is provided with second kink of the epimere of the breach that is used for dodging armature at the leading portion of fin, and described second kink is located at after first kink.
6. use reed according to claim 5 is characterized in that the relay of limiting position of armature: described first kink and second kink are formed the bending structure of local U type part.
According to claim 5 or 6 described use reeds to the relay of limiting position of armature, it is characterized in that: the bending angle of described first kink and second kink is respectively 90 °.
8. use reed according to claim 1 is characterized in that the relay of limiting position of armature: described movable contact spring also comprises the 3rd connecting portion that is used for fixing moving contact; The width of the 3rd connecting portion is greater than first connecting portion; The both sides of the 3rd connecting portion respectively backward one extend the flank be provided with the narrow width in can the sidepiece of first connecting portion being enclosed in, the flank tail end is free shape; One mitered a connecting piece between the rear end of the both sides of the posterior segment of two flanks and first connecting portion.
9. use reed according to claim 8 is characterized in that the relay of limiting position of armature: the leading section that described two fins bend towards the armature face is located at the outside of the rear of two flanks respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101117702A CN101582352B (en) | 2009-05-08 | 2009-05-08 | Relay for limiting position of armature by reed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101117702A CN101582352B (en) | 2009-05-08 | 2009-05-08 | Relay for limiting position of armature by reed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101582352A CN101582352A (en) | 2009-11-18 |
| CN101582352B true CN101582352B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101117702A Active CN101582352B (en) | 2009-05-08 | 2009-05-08 | Relay for limiting position of armature by reed |
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| CN (1) | CN101582352B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074419B (en) * | 2010-10-20 | 2012-10-24 | 厦门宏美电子有限公司 | Movable contact spring for adjusting movable contact spring counterforce of relay and counterforce adjusting method thereof |
| CN106128859B (en) * | 2016-08-30 | 2018-05-22 | 四川宏发电声有限公司 | A kind of compression spring and the pusher relay comprising the compression spring |
| CN108231489B (en) * | 2017-11-29 | 2024-06-18 | 厦门宏发汽车电子有限公司 | Electromagnetic relay capable of reliably limiting armature |
| CN108962682B (en) * | 2018-07-02 | 2024-03-12 | 漳州宏发电声有限公司 | Anti-drop relay convenient for automatic assembly and automatic assembly method thereof |
| CN110473743B (en) * | 2019-04-25 | 2024-06-18 | 厦门宏发汽车电子有限公司 | Relay capable of ensuring normal action of armature or movable spring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372781Y (en) * | 1999-05-07 | 2000-04-05 | 厦门宏发电声有限公司 | Small high power electromagnetic relay |
| CN2531519Y (en) * | 2001-11-20 | 2003-01-15 | 厦门宏发电声有限公司 | Electromagnetic relay with good flexible movable contact spring |
| CN1514455A (en) * | 2003-08-15 | 2004-07-21 | 厦门宏发电声有限公司 | Two Tongue and carried back moving spring electro magnetic relay |
| CN1558434A (en) * | 2004-01-30 | 2004-12-29 | 厦门宏发电声有限公司 | Low height small-sized large power AC-DC electromagnetic relay with multiple contact sets |
| US7335040B2 (en) * | 2005-10-05 | 2008-02-26 | Nec Tokin Corporation | Electromagnetic relay |
-
2009
- 2009-05-08 CN CN2009101117702A patent/CN101582352B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372781Y (en) * | 1999-05-07 | 2000-04-05 | 厦门宏发电声有限公司 | Small high power electromagnetic relay |
| CN2531519Y (en) * | 2001-11-20 | 2003-01-15 | 厦门宏发电声有限公司 | Electromagnetic relay with good flexible movable contact spring |
| CN1514455A (en) * | 2003-08-15 | 2004-07-21 | 厦门宏发电声有限公司 | Two Tongue and carried back moving spring electro magnetic relay |
| CN1558434A (en) * | 2004-01-30 | 2004-12-29 | 厦门宏发电声有限公司 | Low height small-sized large power AC-DC electromagnetic relay with multiple contact sets |
| US7335040B2 (en) * | 2005-10-05 | 2008-02-26 | Nec Tokin Corporation | Electromagnetic relay |
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| CN101582352A (en) | 2009-11-18 |
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Application publication date: 20091118 Assignee: Xiamen Hongfa Automobile Electronics Co.,Ltd. Assignor: Xiamen Hongfa Electroacoustic Co., Ltd. Contract record no.: 2012350000113 Denomination of invention: Relay for limiting position of armature by reed Granted publication date: 20120111 License type: Exclusive License Record date: 20121009 |
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