CN101635228B - Electromagnetic relay provided with flexible movable reed - Google Patents
Electromagnetic relay provided with flexible movable reed Download PDFInfo
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- CN101635228B CN101635228B CN2009101117717A CN200910111771A CN101635228B CN 101635228 B CN101635228 B CN 101635228B CN 2009101117717 A CN2009101117717 A CN 2009101117717A CN 200910111771 A CN200910111771 A CN 200910111771A CN 101635228 B CN101635228 B CN 101635228B
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Abstract
The invention discloses an electromagnetic relay provided with a flexible movable reed, which comprises a movable reed, an armature and an iron yoke, wherein the movable reed is provided with a first connecting part, a second connecting part and a third connecting part; the third connecting part is wider than the first connecting part; lateral wings which are narrow in width and can encircle the lateral parts of the first connecting part are respectively arranged at two sides of the third connecting part which extend backward integrally, and the tail ends of the lateral wings are in free state; the middle-rear sections of the two lateral wings are respectively and integrally connected with connecting pieces that are narrow in width, and the front ends of the two connecting piece are respectively and integrally connected with the rear ends of the two lateral parts of the first connecting part; and a connecting body is integrally connected between the first connecting part and the second connecting part. The structure ensures that the flexible degree of the movable reed is greatly improved, and the riveting planeness of the movable reed and the armature can be also controlled better simultaneously; and by utilizing the better flexibility of the movable reed, the difference between the closed voltage of a relay contact point and the contact voltage of the armature and an iron core can be effectively reduced, and the bounce time of the contact point while being closed can be reduced simultaneously.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of electromagnetic relay with flexible movable contact spring.
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 be subjected to 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 disconnects or with normally closed fixed contact adhesive.This break-make of utilizing low-voltage, dry circuit; control the device of high voltage, heavy current circuit indirectly; play a part automatic adjusting, safeguard protection, change-over circuit etc. in circuit, therefore, electromagnetic relay is widely used in the various automatic control equipments.In the existing clapper-type electromagnetic relay, as shown in Figure 1 and Figure 2, comprise movable contact spring 1 ', armature 2 ', yoke 3 '; This 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 ' itself and armature 2 ' generally not perforate of riveting portion (as shown in Figure 1), perhaps well-regulated hole 12 ' (as shown in Figure 2) or groove, the movable contact spring 1 of this kind structure ' require under the bigger situation in overtravel to the contact, because of closing of contact voltage and armature and the very big difference of iron core touch voltage existence can appear in flexibility inadequately, can bigger bouncing time appear simultaneously because of the flexible deficiency of moving spring when making the closing of contact.In order to solve the flexible defect of insufficient of movable contact spring, patent documentation US 6,608, the structure of the moving spring of a kind of flexibility is then disclosed among 542 B2, this structure is by cutting exterior material, keep moving spring slice 13 ' (as shown in Figure 3, Figure 4) in the middle of making to increase the flexibility of movable contact spring, though this frame mode can solve the flexible not enough problem of movable contact spring to a certain extent effectively, but because of these structure two lateral incisions, be unfavorable in the part production process moving the control of spring and armature riveted joint flatness, be easy to generate distortion, thereby influence the result of use of electromagnetic relay.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of electromagnetic relay with flexible movable contact spring is provided, by improvement to the movable contact spring structure, make movable contact spring when flexible degree is greatly enhanced, moving spring also can be controlled preferably with armature riveted joint flatness and prevent to produce and be out of shape, utilize this movable contact spring flexible preferably, can effectively reduce the difference of relay contact closure voltage and armature and iron core touch voltage, the bouncing time in the time of can reducing the closing of contact simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic relay with flexible movable contact spring comprises movable contact spring, armature, yoke; Movable contact spring is connected between armature and the yoke; This movable contact spring is provided with first connecting portion that can fix with armature, second connecting portion that can fix with yoke and the 3rd connecting portion that is used for fixing moving contact; The width of described the 3rd connecting portion is greater than first connecting portion; The both sides of the 3rd connecting portion respectively backward one extend the narrow flank of width be provided with in the sidepiece of first connecting portion can being enclosed in, the flank tail end is free shape; One mitered a connecting piece respectively between the rear end of the both sides of the posterior segment of two flanks and first connecting portion; One is connected to a connector between first connecting portion and second connecting portion, and the middle part of this connector is provided with the kink that is engaged in armature and yoke quadrature junction.
Described connector is that one is connected on the arrow gauge body between the front center of the rear end middle part of first connecting portion and second connecting portion.
The rearward end of described two braces is provided with the bending less than 90 °, and the rear end of two braces is connected with the posterior segment of two flanks is corresponding respectively.
The rearward end of described two braces is provided with the bending greater than 90 °, and the rear end of two braces is connected with the rear end of two flanks is corresponding respectively.
Described first connecting portion also is split as a middle part body and the two branch's bodies that are separated, two branch's bodies are located at the both sides of middle part body respectively, this middle part body and described arrow gauge body one are joined, two branch's bodies join with the front end one of two braces respectively, are respectively equipped with one on middle part body and the two branch's bodies and are used for riveting the riveted holes that fixes with armature.
The width of described second connecting portion is identical with the width of arrow gauge body, before and after the second connecting portion upper edge to being provided with two riveted holes.
The width of described second connecting portion is used for riveting the riveted holes that fixes with yoke to being provided with two about the second connecting portion upper edge greater than the width of arrow gauge body.
The two side ends of described the 3rd connecting portion inwardly is provided with the gap-shaped otch respectively.
The width of described second connecting portion is greater than the width of the 3rd connecting portion, the two side ends of second connecting portion is extended forward respectively and is provided with the narrow fin of width, fin is provided with the leading portion that the edge of a knife face with yoke is orthogonal, the leading section of fin leading portion bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates.
The both sides of described yoke edge of a knife face are respectively equipped with convex shoulder, and the both sides of armature are respectively equipped with the breach that matches with the convex shoulder of described yoke.
A kind of electromagnetic relay of the present invention with flexible movable contact spring, 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 this kink is engaged in armature and yoke quadrature junction, 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.Adopt flank to be connected between the 3rd connecting portion of movable contact spring and first connecting portion with brace, make and form an irregular hole between the head zone (i.e. the 3rd connecting portion) of movable contact spring and the central region (i.e. first connecting portion), the front portion in hole is isolated with the head zone and the central region of movable contact spring, and the afterbody in hole forms two foramen alares and extends and surpass the central region of movable contact spring to the yoke direction.Because two flanks of movable contact spring are to extend to the yoke direction, and two flanks are connected with head zone by brace, the afterbody of flank is the surface that free state is close to armature, afterbody at the relay contact closure posterior area of fixigena can make armature that yoke edge of a knife face is formed pressure, help the stability of relay in contact closure condition, this movable contact spring is because of the hole, the existence of flank and brace, make relay contact closure better flexible, improved the difference of relay contact closure voltage and armature and iron core touch voltage, bouncing time in the time of simultaneously can reducing the closing of contact, and this movable contact spring structure has processing technology preferably.
The invention has the beneficial effects as follows, owing to adopted the head zone (i.e. the 3rd connecting portion) of movable contact spring and the central region (i.e. first connecting portion) of movable contact spring are separated, and utilize flank and brace to carry out afterbody to join, promptly in the both sides of the 3rd connecting portion respectively backward one extend the narrow flank of width that is provided with in the sidepiece of first connecting portion can being enclosed in, the flank tail end is free shape; One is connected to the narrow brace of a width respectively in the posterior segment of two flanks, and the front end of two braces joins with rear end, the both sides one of first connecting portion respectively; One is connected an arrow gauge body between the front center of middle part, the rear end of first connecting portion and second connecting portion; Because the existence of porose, flank of this movable contact spring and brace, this structure makes movable contact spring when flexible degree is greatly enhanced, moving spring also can be controlled preferably with armature riveted joint flatness and prevent to produce and be out of shape, utilize this movable contact spring flexible preferably, can effectively reduce the difference of relay contact closure voltage and armature and iron core touch voltage, bouncing time in the time of simultaneously can reducing the closing of contact helps the stability of relay in contact closure condition; Owing to also be provided with bending less than 90 ° in the rearward end of brace, when moving spring when the closing of contact forms overtravel, (being the bending place) forms and assists fulcrum at this place, effectively impels free end (being the flank tail end) to compress armature.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of electromagnetic relay with flexible movable contact spring of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is the organigram of the electromagnetic relay of prior art;
Fig. 2 is the organigram of the electromagnetic relay (open-celled structure is arranged) of prior art;
Fig. 3 is a kind of organigram of movable contact spring of the electromagnetic relay of prior art;
Fig. 4 is the organigram of another kind of movable contact spring of the electromagnetic relay of prior art;
Fig. 5 is embodiment one organigram of the present invention;
Fig. 6 is embodiment one a structure decomposing schematic representation of the present invention;
Fig. 7 is the organigram of embodiment one movable contact spring of the present invention;
Fig. 8 is the front view of embodiment one movable contact spring of the present invention;
Fig. 9 is the organigram of embodiment two movable contact springs of the present invention;
Figure 10 is the organigram of embodiment three movable contact springs of the present invention;
Figure 11 is the organigram of embodiment four movable contact springs of the present invention;
Figure 12 is the organigram of embodiment five movable contact springs of the present invention;
Figure 13 is the organigram of embodiment six movable contact springs of the present invention.
Embodiment
Embodiment one, extremely shown in Figure 8 referring to Fig. 5, a kind of electromagnetic relay with flexible movable contact spring of the present invention mainly includes movable contact spring 1, armature 2, yoke 3, moving contact parts 4, iron core 5, 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.
The rear end that the rearward end of two braces 142 is provided with less than 90 ° bending 1421, two braces 142 is connected with the posterior segment of two flanks 14 is corresponding respectively.
The width of second connecting portion 12 is used for riveting the riveted holes 121 that fixes with yoke 3 to being provided with two about second connecting portion, 12 upper edges greater than the width of arrow gauge body 15.
Two side ends at the 3rd connecting portion 13 inwardly is provided with gap-shaped otch 131 respectively.
Both sides at yoke 3 edge of a knife faces 31 are respectively equipped with convex shoulder 311, and the both sides of armature 2 are respectively equipped with the breach 21 that matches with the convex shoulder 311 of described yoke.
A kind of electromagnetic relay of the present invention with flexible movable contact spring, the 3rd connecting portion 13 of movable contact spring 1 is in the head zone of movable contact spring, is used for fixing moving contact parts 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 15 is provided with kink 151, and this kink 151 is engaged in armature 2 and yoke 3 quadrature junctions, and the power that produces with the press-bending of the kink of movable contact spring prevents the motion of armature 2 disengaging yokes 3 directions.Adopt flank 14 to be connected between the 3rd connecting portion 13 of movable contact spring and first connecting portion 11 with brace 142, make that the head zone of movable contact spring is that the 3rd connecting portion 13 and central region promptly form an irregular hole 16 between first connecting portion 11, the front portion 161 in hole is isolated with the head zone 13 and the central region 11 of movable contact spring, and the afterbody 162 in hole forms two foramen alares and extends and surpass the central region 11 of movable contact spring to the yoke direction.Because two flanks 14 of movable contact spring are to extend to the yoke direction, and two flanks 14 are that the 3rd connecting portion 13 is connected by brace 142 and head zone, the afterbody 141 of flank 14 is the surface that free state is close to armature 2, afterbody at the relay contact closure posterior area of fixigena can make 2 pairs of yoke edges of a knife of armature face 31 form pressure, help the stability of relay in contact closure condition, this movable contact spring is because of hole 16, the existence of flank 14 and brace 142, make relay contact closure better flexible, improved the difference of relay contact closure voltage and armature and iron core touch voltage, bouncing time in the time of simultaneously can reducing the closing of contact, and this movable contact spring structure has processing technology preferably.
Embodiment two, referring to shown in Figure 9, a kind of electromagnetic relay with flexible movable contact spring of the present invention is with the difference of embodiment one, the width of second connecting portion 12 is identical with the width of arrow gauge body 15, and two riveted holes 121 are to setting along front and back on second connecting portion 12.
Embodiment three, referring to shown in Figure 10, a kind of electromagnetic relay of the present invention with flexible movable contact spring, be with the difference of embodiment one, the rearward end of two braces 142 is provided with the bending 1422 greater than 90 °, the rear end of two braces 142 is connected with the rear end of two flanks 14 is corresponding respectively, and promptly brace 142 is connected on the rearmost end of flank 14, makes this flank 14 not have tail end 141 structures as embodiment one.
Embodiment four, referring to shown in Figure 11, a kind of electromagnetic relay of the present invention with flexible movable contact spring, be with the difference of embodiment one, first connecting portion 11 also is split as a middle part body 111 and the two branch's bodies 112 that are separated, two branch's bodies 112 are located at the both sides of middle part body 111 respectively, this middle part body 111 joins with described arrow gauge body 15 one, two branch's bodies 112 join with the front end one of two braces 142 respectively, are respectively equipped with one on middle part body 111 and the two branch's bodies 112 and are used for riveting the riveted holes that fixes with armature.
Embodiment five, referring to shown in Figure 12, a kind of electromagnetic relay with flexible movable contact spring of the present invention is with the difference of embodiment four, the width of second connecting portion 12 is identical with the width of arrow gauge body 15, and two riveted holes 121 are to setting along front and back on second connecting portion 12.
Embodiment six, referring to shown in Figure 13, a kind of electromagnetic relay of the present invention with flexible movable contact spring, be with the difference of embodiment one, the width of second connecting portion 12 is greater than the width of the 3rd connecting portion 13, the two side ends of second connecting portion 12 is extended forward respectively and is provided with the narrow fin of width 17, and fin 17 is provided with the leading portion 171 that the edge of a knife face 31 with yoke is orthogonal, the leading section 172 of fin leading portion bend towards the armature face and and the armature face between be provided with the gap 18 that can guarantee that armature freely rotates.
The foregoing description only is used for further specifying a kind of electromagnetic relay with flexible movable contact spring 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 solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. the electromagnetic relay with flexible movable contact spring comprises movable contact spring, armature, yoke; Movable contact spring is connected between armature and the yoke; This movable contact spring is provided with first connecting portion that can fix with armature, second connecting portion that can fix with yoke and the 3rd connecting portion that is used for fixing moving contact; One is connected to a connector between first connecting portion and second connecting portion, and the middle part of this connector is provided with the kink that is engaged in armature and yoke quadrature junction; It is characterized in that: the width of described 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 in the sidepiece of first connecting portion can being enclosed in, the flank tail end is free shape; One mitered a connecting piece respectively between the rear end of the both sides of the posterior segment of two flanks and first connecting portion.
2. the electromagnetic relay of the flexible movable contact spring of band according to claim 1 is characterized in that: described connector is that one is connected on the arrow gauge body between the front center of the rear end middle part of first connecting portion and second connecting portion.
3. the electromagnetic relay of the flexible movable contact spring of band according to claim 1 and 2 is characterized in that: the rearward end of described two braces is provided with the bending less than 90 °, and the rear end of two braces is connected with the posterior segment of two flanks is corresponding respectively.
4. the electromagnetic relay of the flexible movable contact spring of band according to claim 1 and 2 is characterized in that: the rearward end of described two braces is provided with the bending greater than 90 °, and the rear end of two braces is connected with the rear end of two flanks is corresponding respectively.
5. the electromagnetic relay of the flexible movable contact spring of band according to claim 2, it is characterized in that: described first connecting portion also is split as a middle part body and the two branch's bodies that are separated, two branch's bodies are located at the both sides of middle part body respectively, this middle part body and described arrow gauge body one are joined, two branch's bodies join with the front end one of two braces respectively, are respectively equipped with one on middle part body and the two branch's bodies and are used for riveting the riveted holes that fixes with armature.
6. the electromagnetic relay of the flexible movable contact spring of band according to claim 2 is characterized in that: the width of described second connecting portion is identical with the width of arrow gauge body, before and after the second connecting portion upper edge to being provided with two riveted holes.
7. the electromagnetic relay of the flexible movable contact spring of band according to claim 2 is characterized in that: the width of described second connecting portion is used for riveting the riveted holes that fixes with yoke to being provided with two about the second connecting portion upper edge greater than the width of arrow gauge body.
8. the electromagnetic relay of the flexible movable contact spring of band according to claim 1 is characterized in that: the two side ends of described the 3rd connecting portion inwardly is provided with the gap-shaped otch respectively.
9. the electromagnetic relay of the flexible movable contact spring of band according to claim 1, it is characterized in that: the width of described second connecting portion is greater than the width of the 3rd connecting portion, the two side ends of second connecting portion is extended forward respectively and is provided with fin, fin is provided with the leading portion that the edge of a knife face with yoke is orthogonal, the leading section of fin leading portion bend towards the armature face and and the armature face between be provided with the gap that can guarantee that armature freely rotates.
10. the electromagnetic relay of the flexible movable contact spring of band according to claim 9 is characterized in that: the both sides of described yoke edge of a knife face are respectively equipped with convex shoulder, and the both sides of armature are respectively equipped with the breach that matches with the convex shoulder of described yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101117717A CN101635228B (en) | 2009-05-08 | 2009-05-08 | Electromagnetic relay provided with flexible movable reed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101117717A CN101635228B (en) | 2009-05-08 | 2009-05-08 | Electromagnetic relay provided with flexible movable reed |
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| CN101635228A CN101635228A (en) | 2010-01-27 |
| CN101635228B true CN101635228B (en) | 2011-04-27 |
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| CN2009101117717A Active CN101635228B (en) | 2009-05-08 | 2009-05-08 | Electromagnetic relay provided with flexible movable reed |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592889B (en) * | 2012-03-07 | 2014-05-14 | 厦门宏发汽车电子有限公司 | Electromagnetic relay suitable for automatic production and with reliable electroconductivity and assembling method thereof |
| CN106960767B (en) * | 2017-05-09 | 2018-09-28 | 浙江英洛华新能源科技有限公司 | Clapper type relay adjustable moving leaf fixing structure |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283205Y (en) * | 1996-09-13 | 1998-06-03 | 赵俐 | Cold and hot air curtain machine |
| CN2472340Y (en) * | 2001-04-05 | 2002-01-16 | 厦门宏发电声有限公司 | Small size and large power sensitive D.C. magnetic delay with super low height |
| CN100369176C (en) * | 2005-01-20 | 2008-02-13 | 厦门宏发电声有限公司 | Electromagnetic relay reset reed and its motion voltage correcting method |
| US7335040B2 (en) * | 2005-10-05 | 2008-02-26 | Nec Tokin Corporation | Electromagnetic relay |
-
2009
- 2009-05-08 CN CN2009101117717A patent/CN101635228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283205Y (en) * | 1996-09-13 | 1998-06-03 | 赵俐 | Cold and hot air curtain machine |
| CN2472340Y (en) * | 2001-04-05 | 2002-01-16 | 厦门宏发电声有限公司 | Small size and large power sensitive D.C. magnetic delay with super low height |
| CN100369176C (en) * | 2005-01-20 | 2008-02-13 | 厦门宏发电声有限公司 | Electromagnetic relay reset reed and its motion voltage correcting method |
| US7335040B2 (en) * | 2005-10-05 | 2008-02-26 | Nec Tokin Corporation | Electromagnetic relay |
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Assignee: Xiamen Hongfa Automobile Electronics Co.,Ltd. Assignor: Xiamen Hongfa Electroacoustic Co., Ltd. Contract record no.: 2010350000195 Denomination of invention: Electromagnetic relay provided with flexible movable reed License type: Exclusive License Open date: 20100127 Record date: 20100825 |
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