CN201134396Y - Armature prelude mechanism of low altitude magnetic circuit of electromagnetic relay - Google Patents
Armature prelude mechanism of low altitude magnetic circuit of electromagnetic relay Download PDFInfo
- Publication number
- CN201134396Y CN201134396Y CNU2008201010091U CN200820101009U CN201134396Y CN 201134396 Y CN201134396 Y CN 201134396Y CN U2008201010091 U CNU2008201010091 U CN U2008201010091U CN 200820101009 U CN200820101009 U CN 200820101009U CN 201134396 Y CN201134396 Y CN 201134396Y
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- China
- Prior art keywords
- armature
- reset reed
- electromagnetic relay
- yoke
- magnetic circuit
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- 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.)
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Abstract
The utility model discloses an armature restoring mechanism of a low altitude electromagnetic relay magnetic circuit, which comprises a yoke iron, an armature, a restoring spring leaf and a coil former of a magnetic circuit portion, wherein the yoke iron, the armature and the restoring spring leaf are relatively and coordinately arranged on the coil former, the restoring spring leaf is provided with an elastic tongue piece, a certain length of the end portion of the restoring spring leaf tongue piece is bent in a certain angle, an oblique panel formed after the end portion of the restoring spring leaf tongue piece is bent fitly and presses against the bottom end of the first side surface of the armature in a returning position, the second side surface of the armature in the restoring position is clung to the bottom edge of the yoke iron, and the contacting position between the armature second side surface and the yoke iron bottom edge is higher than the contacting position between the end portion of the restoring spring leaf tongue piece and the armature first side surface. After the structure is utilized, the restoring spring leaf tongue piece can provide larger restoring force to the armature, thereby effectively increasing vibration resistant capacity of the electromagnetic relay.
Description
Technical field
The utility model relates to a kind of electromagnetic relay, particularly relates to a kind of armature restoring mechanism of low clearance electromagnetic relay magnetic circuit.
Background technology
Electromagnetic relay extensively applies in the various electromechanical equipments as a kind of electromechanical compo.In order to make low clearance electromagnetic relay magnetic circuit armature partly at course of action, can guarantee that the armature shaft place and the yoke edge of a knife stick together reliably, and can reliably restore, stability with the electrical action of guaranteeing the low clearance electromagnetic relay, usually in the magnetic circuit part of low clearance electromagnetic relay, be provided with yoke (or yoke, unshakable in one's determination), armature, tongue piece by reset reed is pushed down the armature shaft place, rotation knife-edge part on itself and the yoke is close together, guarantee to remain good the contact with yoke in the armature rotation process, to reduce magnetic resistance, Fig. 1 is the schematic diagram of the electromagnetic relay of existing this structure, this electromagnetic relay includes the magnetic circuit part, the yoke 1 of magnetic circuit part ', armature 2 ', the bobbin 4 of reset reed 3 ' be contained in respectively magnetic circuit part ' on, and be in the position of corresponding matching, Fig. 2 for the armature 2 of existing electromagnetic relay ', the structural representation of reset reed 3 ' matching part, armature 2 ' structure shown in Fig. 3 a, reset reed 3 ' structure shown in Fig. 3 b, the flexible tongue piece 31 of reset reed 3 ' be provided with ', tongue piece 31 ' be the straight plate shape structure, reset reed 3 ' tongue piece 31 ' summit 311 ' promotion armature 2 ' a face 21 ', make another face 22 of armature ' bottom and yoke 1 ' be close together, behind the coil blackout of electromagnetic relay, with yoke 1 ' edge of a knife is fulcrum, the tongue piece 31 of reset reed ' can produce certain recuperability makes armature 2 ' reset.But, the armature restoring mechanism that this structure is formed, the recuperability of the tongue piece 31 of its reset reed ' generation is big inadequately, and the recuperability of thereby armature 2 ' obtain is very little, when electromagnetic relay was subjected to the vibration of certain orientation, the back contact group took place easily to disconnect and lost efficacy.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of armature restoring mechanism of low clearance electromagnetic relay magnetic circuit is provided, can in guaranteeing the armature rotation process, remain on the good basis that contacts with yoke, increase the recuperability that tongue piece produced of reset reed, the recuperability that armature is obtained increases, thereby improved the antivibration ability that electromagnetic relay is had when certain orientation is subjected to vibrating, has guaranteed that electromagnetic relay can use in the occasion that vibration is had relatively high expectations.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of armature restoring mechanism of low clearance electromagnetic relay magnetic circuit, the yoke that comprises the magnetic circuit part, armature, reset reed, bobbin, yoke, armature, reset reed becomes mutual corresponding matching ground to be installed on the bobbin respectively, reset reed is provided with flexible tongue piece, the certain-length of the end tongue of reset reed is bent downwards and is had a certain degree, bend inclined-plane that the back forms of the end tongue of reset reed flexibly coincide and overlays bottom at first side surface of the armature of home position, second side surface of the armature of home position and the base of yoke are close together, and second side surface of armature is higher than the end tongue of reset reed and the position that contacts of first side surface of armature with the position that contacts on the base of yoke.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, be that the structure of the armature restoring mechanism of original electromagnetic relay is improved, the certain-length of the end tongue of original reset reed bent have a certain degree, the part bending that is tongue piece is downward, and make downward this part of bending can elasticity overlay bottom at first side surface of the armature of home position, like this, surface after the inclined-plane that forms after end tongue is bent just restores with armature fits together, because armature is inclined after restoring, be that first side surface after armature restores is understood shape at an angle with vertical line, so, during design, end tongue bend inclined-plane that the back forms and the angle between the vertical line just should equate with angle between the vertical line with first side surface after the armature recovery.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, the base of yoke and the contact point between the armature (position) should be higher than the contact site between the end tongue of the another side of armature and reset reed, could guarantee like this when the end tongue of reset reed applies recuperability to armature, armature can serve as that axle rotates with the base of yoke, thereby reaches the purpose of recovery.When relay coil was switched on, the working gas gap place, upper end of yoke produced electromagnetic attraction to armature, and this moment, armature was axle with the base of yoke, and the end tongue that overcomes reset reed is rotated the recuperability of armature.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, usually to be provided with breach on the bobbin of magnetic circuit part and be used for fixing reset reed, bearing in correspondence, reset reed is provided with and clamps edge, the limit of edge is provided with hangnail, can snap in the breach of bobbin, and reset reed is fixed on the bobbin, and prevent that bobbin from withdrawing from, thereby effectively the magnetic circuit part is fixed in base portion.
Certainly, fixed structure between reset reed and the bobbin can also have other various ways, on the bobbin fixedly the breach of reset reed also can be designed to other shape, on two side plates on the online design circle frame, then reset reed is designed to corresponding fit shapes, fixes as long as can reach between reset reed and the bobbin.
The beneficial effects of the utility model are, because having adopted certain-length with the end tongue of reset reed to bend downwards has a certain degree, and bend inclined-plane that the back forms of the end tongue that makes reset reed flexibly coincide and overlays bottom at first side surface of the armature of home position, second side surface of armature of home position and the base of yoke are close together, and second side surface of armature is higher than the end tongue of reset reed and the position that contacts of first side surface of armature with the position that contacts on the base of yoke, like this, because formation face contacts between first side surface of the elastic tongue piece of reset reed and armature, rather than the line of original structure contact, thereby make the tongue piece of reset reed provide bigger recuperability, improved the ability of electromagnetic relay anti-vibration effectively armature.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the structural representation of prior art electromagnetic relay;
Fig. 2 is the armature of existing electromagnetic relay, the structural representation of reset reed matching part;
Fig. 3 a is the structural representation of the armature of existing electromagnetic relay;
Fig. 3 b is the structural representation of the reset reed of existing electromagnetic relay;
Fig. 4 is the armature of embodiment of the present utility model, the structural representation of reset reed matching part;
Fig. 5 a is the structural representation of the armature of embodiment of the present utility model;
Fig. 5 b is the structural representation of the reset reed of embodiment of the present utility model;
Fig. 6 be embodiment of the present utility model yoke base, armature, reset reed concern schematic diagram.
Embodiment
Referring to Fig. 4, Fig. 5, shown in Figure 6, the armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, the yoke 1 that comprises the magnetic circuit part, armature 2, reset reed 3, bobbin 4, yoke 1, armature 2,3 one-tenth mutual corresponding matching of reset reed ground is installed in respectively on the bobbin 4, reset reed 3 is provided with flexible tongue piece 31, the certain-length of the end tongue 311 of reset reed 3 is bent downwards and is had a certain degree, bend inclined-plane 312 that the back forms of the end tongue 311 of reset reed flexibly coincide and overlays bottom at first side surface 21 of the armature 2 of home position, second side surface 22 of the armature 2 of home position is close together with the base 11 of yoke 1, and second side surface 22 of armature is higher than the end tongue 311 of reset reed and the position that contacts of first side surface 21 of armature with the position that contacts on the base 11 of yoke.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, be that the structure of the armature restoring mechanism of original electromagnetic relay is improved, the certain-length of the end tongue of original reset reed bent have a certain degree, the part bending that is tongue piece is downward, and make downward this part 311 of bending can elasticity overlay bottom at first side surface 21 of the armature of home position, like this, surface 21 after the inclined-plane 312 that forms after end tongue is bent just restores with armature fits together, because after armature 2 restores is inclined, be first side surface 21 and vertical line after armature 2 restores can shape at an angle, so, during design, end tongue 311 bend inclined-plane 312 that the back forms and the angle between the vertical line just should equate with angle between the vertical line with first side surface 21 after armature 2 recoveries.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, the base 11 of yoke and the contact point (position) between the armature 2 should be higher than the contact site between the end tongue 311 of the another side 21 of armature and reset reed, could guarantee like this when 311 pairs of armature 2 of end tongue of reset reed apply recuperability, armature 2 can serve as that axle rotates with the base 11 of yoke, thereby reaches the purpose of recovery.
The armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model, usually to be provided with breach on the bobbin 4 of magnetic circuit part and be used for fixing reset reed, in the present embodiment, in the bearing of correspondence, reset reed 3 is provided with and clamps edge 32, and the limit of edge is provided with hangnail 321, can snap in the breach of bobbin 4, reset reed 3 is fixed on the bobbin 4, and prevents that bobbin from withdrawing from, thereby effectively the magnetic circuit part is fixed in base portion.Certainly, fixed structure between reset reed and the bobbin can also have other various ways, on the bobbin fixedly the breach of reset reed also can be designed to other shape, on two side plates on the online design circle frame, then reset reed is designed to corresponding fit shapes, fixes as long as can reach between reset reed and the bobbin.
When relay coil is switched on, armature 2 is at working gas gap 10 places, the effect of electromagnetic attraction will be subjected to, because the contact site between the end tongue 311 of the base 11 of yoke and another side 21 that the contact point (position) between the armature 2 should be higher than armature and reset reed, this moment, armature 2 served as that axle rotates with the base 11 of yoke, the end tongue 311 that overcomes reset reed promotes armature 2 formed reaction forces, armature 2 rotates to the closing direction of yoke 1, and second 22 in final armature and yoke 1 work pole-face are close together.
When relay coil cuts off the power supply, working gas gap place electromagnetic attraction disappears, because the contact site between the end tongue 311 of the base 11 of yoke and another side 21 that the contact point (position) between the armature 2 should be higher than armature and reset reed, the recuperability of the end tongue 311 of reset reed promotes armature 2, then armature 2 serves as that axle rotates with the base 11 of yoke, armature 2 rotates to opening the working gas gap direction, and final armature 2 is got back to home position.
After armature 2 restores, the angle on the formed inclined-plane 312 of end tongue 311 press-bendings of reset reed is consistent with the angle after armature 2 recoveries, and armature 2 has been remained certain pressure, allow armature 2 when reset condition starts, need bigger tripping force, thereby make the anti-vibration performance that on A shown in Figure 4, B direction, improves relay.
The foregoing description only is used for further specifying the armature restoring mechanism of a kind of low clearance electromagnetic relay magnetic circuit of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (1)
1. the armature restoring mechanism of a low clearance electromagnetic relay magnetic circuit, the yoke, armature, reset reed, the bobbin that comprise the magnetic circuit part, yoke, armature, reset reed become mutual corresponding matching ground to be installed in respectively on the bobbin, and reset reed is provided with flexible tongue piece;
It is characterized in that:
The certain-length of the end tongue of reset reed is bent downwards and is had a certain degree, bend inclined-plane that the back forms of the end tongue of reset reed flexibly coincide and overlays bottom at first side surface of the armature of home position, second side surface of the armature of home position and the base of yoke are close together, and second side surface of armature is higher than the end tongue of reset reed and the position that contacts of first side surface of armature with the position that contacts on the base of yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201010091U CN201134396Y (en) | 2007-12-29 | 2007-12-29 | Armature prelude mechanism of low altitude magnetic circuit of electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201010091U CN201134396Y (en) | 2007-12-29 | 2007-12-29 | Armature prelude mechanism of low altitude magnetic circuit of electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134396Y true CN201134396Y (en) | 2008-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201010091U Expired - Lifetime CN201134396Y (en) | 2007-12-29 | 2007-12-29 | Armature prelude mechanism of low altitude magnetic circuit of electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134396Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777460A (en) * | 2010-03-12 | 2010-07-14 | 厦门宏发电声股份有限公司 | Electromagnetic relay with high magnetic efficiency and less foreign substance pollution |
-
2007
- 2007-12-29 CN CNU2008201010091U patent/CN201134396Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777460A (en) * | 2010-03-12 | 2010-07-14 | 厦门宏发电声股份有限公司 | Electromagnetic relay with high magnetic efficiency and less foreign substance pollution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee after: Xiamen Hongfa Electroacoustic Co., Ltd. Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee before: Hongfa Electroacoustic Co., Ltd, Xiamen |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |
|
| CX01 | Expiry of patent term |