CN105280444A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN105280444A CN105280444A CN201510744787.7A CN201510744787A CN105280444A CN 105280444 A CN105280444 A CN 105280444A CN 201510744787 A CN201510744787 A CN 201510744787A CN 105280444 A CN105280444 A CN 105280444A
- Authority
- CN
- China
- Prior art keywords
- movable iron
- electromagnetic relay
- iron core
- shell fragment
- pedestal
- Prior art date
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
Abstract
The invention discloses an electromagnetic relay comprising a base, an electromagnet coil, an iron core, a movable iron piece, a linkage member, a static terminal and a moving terminal. The iron core is mounted on the base. The electromagnet coil is wound outside the iron core. The movable iron piece is movably mounted on the base. The upper end of the movable iron piece is connected with the linkage member. The other end of the linkage member is connected with the upper end of the moving terminal. The lower ends of the moving terminal and the static terminal are fixedly mounted on the base. The two edges of the lower end of the movable iron piece are each provided with an opening. A pressing part is formed between each opening and the end face of the lower end of the movable iron piece. A holding part extends from each of the two sides of the lower end of the iron core. The holding parts are accommodated in the openings and are pressed against the pressing parts respectively. The holding parts and the pressing parts are in contact to form an axis, and the movable iron piece swings around the axis. The electromagnetic relay of the invention has the advantages of compact structure and convenient assembly.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of compact conformation, electromagnetic relay easy to assembly.
Background technology
Electromagnetic relay is the electric current that a kind of use is less, lower voltage removes the automatic switch controlling larger electric current, higher voltage.It realizes this switching function is by being arranged at inner electromagnet, by passing into small electric stream to magnet spool, electromagnet is made to produce magnetic field, utilize the generation in magnetic field or disappearance and adhesive or unclamp movable iron, and then order about adhesive or disconnection between electroconductive elastic sheet by movable iron, realize the conducting to big current loop.But, along with electric equipment is more and more miniaturized, existing electromagnetic relay complex structure, such as, the swing of movable iron needs to use york piece and hinge spring, and this just causes the structure of electromagnetic relay compact not, assembling is inconvenient, more and more can not meet the requirement of Production design.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, electromagnetic relay easy to assembly.
To achieve these goals, electromagnetic relay provided by the invention, comprise pedestal, electromagnet coil, iron core, movable iron, moving part, static terminal and moved end, described iron core is vertically and is installed on described pedestal regularly, described electromagnet coil is wound in outside described iron core, described movable iron is vertical and lower end is movably arranged on described pedestal, the upper end of described movable iron is connected with described moving part, the other end of described moving part is connected with the upper end of described moved end, and the lower end of described moved end and static terminal is installed on described pedestal regularly; The both sides of the edge of the lower end of described movable iron offer opening, pressure section is formed between the end face of the lower end of described opening and described movable iron, press keeping section is extended in the both sides of the lower end of described iron core, described press keeping section is placed in described opening and presses on described pressure section, described press keeping section contacts with described pressure section and forms axis, and described movable iron is around described axis oscillating.
Compared with prior art, because the present invention offers opening in the lower end of described movable iron, make to form pressure section between the end face of the lower end of described opening and described movable iron, and press keeping section is set in the lower end of described iron core, by described press keeping section is snapped in described opening, thus can by described press keeping section pressure holding on described pressure section, and the contact position of described press keeping section and described pressure section forms axis, therefore, described movable iron can be made to realize swinging around described axis, without the need to using the supplementary structures such as york piece, simple and compact for structure, be conducive to production and the assembling of the electromagnetic relay of small size.
Preferably, described electromagnetic relay also comprises hook shell fragment, described hook shell fragment is installed on described pedestal, one end of described hook shell fragment upwards extends to form elastic portion, described elastic portion flexibly presses on the outside of described movable iron, makes the lower end of described movable iron be close proximity to the end face of the lower end of described iron core; The magnetic that described movable iron and the described iron core heart press close to the electromagnet that can strengthen is imitated, thus makes the upper end of its more easily movable iron described in adhesive.
Particularly, the middle part of described hook shell fragment forms the recess holding described pressure section, and it is reliable that described recess can ensure that described pressure section coordinates with described press keeping section, thus it is stable that described movable iron is swung.
Particularly, the other end horizontal-extending of described hook shell fragment forms fixed part, and described in described iron core pressure holding, fixed part is on described pedestal.By utilizing described fixed part, described hook shell fragment can be made to be fixed on described pedestal, thus to ensure that the elasticity of described elastic portion is effective.
Preferably, described recess is inverted trapezoidal structure.
Preferably, curved between the lower surface of described pressure section to outside, in case interfere when spline is moved.
Accompanying drawing explanation
Fig. 1 is the structure chart of electromagnetic relay of the present invention.
Fig. 2 is the exploded view of electromagnetic relay of the present invention.
Fig. 3 is the movable iron of electromagnetic relay of the present invention and the end view of hook shell fragment.
Embodiment
For describing technology contents of the present invention, structural feature, the effect that realizes in detail, accompanying drawing is coordinated to be explained in detail below in conjunction with execution mode.
As shown in Figure 1 and Figure 2, electromagnetic relay 100 of the present invention comprises pedestal 1, electromagnet coil 2, iron core 3, movable iron 4, moving part 5, static terminal 6 and moved end 7, described iron core 3 takes the shape of the letter U structure, and described iron core 3 is in vertically and be installed on described pedestal 1 regularly; Described electromagnet coil 2 is wound in outside described iron core 3; Described movable iron 4 is in vertical structure, and vertically arrange and lower end is movably arranged on described pedestal 1, the end face of described iron core 3 faced by the side of described movable iron 4, the upper end of described movable iron 4 holds with described moving part 5 and is connected, the other end of described moving part 5 is connected with the upper end of described moved end 7, the lower end of described moved end 7 and static terminal 6 is installed on described pedestal 1 respectively regularly, and described static terminal 6 is between described moved end 7 and described movable iron 4.
Refer to Fig. 2 and Fig. 3 again, the both sides of the edge of the lower end of described movable iron 4 offer opening 41, pressure section 42 is formed between the end face of the lower end of described opening 41 and described movable iron 4, described in two side direction of the lower end of described iron core 3, press keeping section 31 is extended in movable iron 4 direction, described press keeping section 31 is placed in described opening 41 and presses on described pressure section 42, described press keeping section 31 contacts with the front edge of described pressure section 42 and forms axes O, and described movable iron 4 swings around described axes O.Between the lower surface of described pressure section 42 to outside curved 43, when swinging to prevent described movable iron 4, described pressure section 42 interferes with surrounding.
Refer to Fig. 2 and Fig. 3 again, described electromagnetic relay 100 also comprises hook shell fragment 8, described hook shell fragment 8 is installed on described pedestal 1, one end of described hook shell fragment 8 upwards extends to form elastic portion 81, described elastic portion 81 flexibly presses on the outside of described movable iron 4, the lower end of described movable iron 4 is made to be close proximity to the end face of the lower end of described iron core 3, and the elastic force of described elastic portion 81 is less than the restoring force of described moved end 7 self, thus described moved end 7 can be separated with described static terminal 6; The magnetic that described movable iron 4 and described iron core 3 heart press close to the electromagnet that can strengthen is imitated, thus makes the upper end of its more easily movable iron 4 described in adhesive.The middle part of described hook shell fragment 8 is bent to form the recess 82 holding described pressure section 42, and described recess 82 is in inverted trapezoidal structure; Described recess 82 can ensure the reliability that described pressure section 42 coordinates with described press keeping section 31, thus it is stable that described movable iron 4 is swung.The other end horizontal-extending of described hook shell fragment 8 forms fixed part 83, and described in the pressure holding of described iron core 3, fixed part 83 is on described pedestal 1.By utilizing described fixed part 83, described hook shell fragment 8 can be made to be fixed on described pedestal 1, thus ensure that the elasticity of described elastic portion 81 is effective.
Comprehensively above-mentioned, when described electromagnet coil 2 leads to small area analysis, described iron core 3 produces magnetic field, by the upper end of movable iron described in magnetic field suction 4, described movable iron 4 swings near and described iron core 3 is pressed close in upper end, meanwhile, the upper end of described movable iron 4 drives the translation of described moving part 5, described moving part 5 drives the upper end of described moved end 7 near described static terminal 6, when described moved end 7 is conflicted with described static terminal 6, described static terminal 6 conducts electricity and turning circuit with described moved end 7, and heavy current is by described static terminal 6 and described moved end 7.
Compared with prior art, because the present invention offers opening 41 in the lower end of described movable iron 4, make to form pressure section 42 between the end face of the lower end of described opening 41 and described movable iron 4, and press keeping section 31 is set in the lower end of described iron core 3, by described press keeping section 31 is snapped in described opening 41, thus can by the pressure holding of described press keeping section 31 on described pressure section 42, and described press keeping section 31 and the contact position of described pressure section 42 form axes O, therefore, described movable iron 4 can be made to realize swinging around described axes O, without the need to using the supplementary structures such as york piece, simple and compact for structure, be conducive to production and the assembling of the electromagnetic relay 100 of small size, and by arranging described hook shell fragment 8, the lower end of described movable iron 4 can be made to press close to the lower end of described iron core 3, effectively strengthen the magnetic effect of iron core 3, make movable iron 4 described in its easier adhesive, performance is more stable.
Above disclosedly be only preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (6)
1. an electromagnetic relay, comprise pedestal, electromagnet coil, iron core, movable iron, moving part, static terminal and moved end, described iron core is vertically and is installed on described pedestal regularly, described electromagnet coil is wound in outside described iron core, described movable iron is vertical and lower end is movably arranged on described pedestal, the upper end of described movable iron is connected with described moving part, the other end of described moving part is connected with the upper end of described moved end, and the lower end of described moved end and static terminal is installed on described pedestal regularly; It is characterized in that: the both sides of the edge of the lower end of described movable iron offer opening, pressure section is formed between the end face of the lower end of described opening and described movable iron, press keeping section is extended in the both sides of the lower end of described iron core, described press keeping section is placed in described opening and presses on described pressure section, described press keeping section contacts with described pressure section and forms axis, and described movable iron is around described axis oscillating.
2. electromagnetic relay as claimed in claim 1, it is characterized in that: described electromagnetic relay also comprises hook shell fragment, described hook shell fragment is installed on described pedestal, one end of described hook shell fragment upwards extends to form elastic portion, described elastic portion flexibly presses on the outside of described movable iron, makes the lower end of described movable iron be close proximity to the end face of the lower end of described iron core.
3. electromagnetic relay as claimed in claim 2, is characterized in that: the middle part of described hook shell fragment forms the recess holding described pressure section.
4. electromagnetic relay as claimed in claim 2, is characterized in that: the other end horizontal-extending of described hook shell fragment forms fixed part, and described in described iron core pressure holding, fixed part is on described pedestal.
5. electromagnetic relay as claimed in claim 2, is characterized in that: described recess is inverted trapezoidal structure.
6. electromagnetic relay as claimed in claim 1, is characterized in that: curved between the lower surface of described pressure section to outside, in case interfere when spline is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744787.7A CN105280444B (en) | 2015-11-03 | 2015-11-03 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744787.7A CN105280444B (en) | 2015-11-03 | 2015-11-03 | Electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105280444A true CN105280444A (en) | 2016-01-27 |
| CN105280444B CN105280444B (en) | 2017-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510744787.7A Active CN105280444B (en) | 2015-11-03 | 2015-11-03 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105280444B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039212A (en) * | 2017-01-13 | 2017-08-11 | 厦门赛特勒继电器有限公司 | A kind of electromagnetic relay |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04102140U (en) * | 1991-02-14 | 1992-09-03 | オムロン株式会社 | electromagnet device |
| JP2000173432A (en) * | 1998-12-07 | 2000-06-23 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN1677599A (en) * | 2004-04-02 | 2005-10-05 | 欧姆龙株式会社 | Electromagnetic relay |
| CN101228605A (en) * | 2005-08-25 | 2008-07-23 | 欧姆龙株式会社 | Electromagnetic relay |
| JP2010231985A (en) * | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| JP2011028900A (en) * | 2009-07-22 | 2011-02-10 | Panasonic Electric Works Co Ltd | Electromagnetic relay device |
| CN102013361A (en) * | 2010-09-06 | 2011-04-13 | 厦门宏发电力电器有限公司 | Magnetic circuit system of eccentric, rotary and asymmetric armature member |
| CN205354965U (en) * | 2015-11-03 | 2016-06-29 | 东莞市中汇瑞德电子股份有限公司 | Electromagnetic relay |
-
2015
- 2015-11-03 CN CN201510744787.7A patent/CN105280444B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04102140U (en) * | 1991-02-14 | 1992-09-03 | オムロン株式会社 | electromagnet device |
| JP2000173432A (en) * | 1998-12-07 | 2000-06-23 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN1677599A (en) * | 2004-04-02 | 2005-10-05 | 欧姆龙株式会社 | Electromagnetic relay |
| CN101228605A (en) * | 2005-08-25 | 2008-07-23 | 欧姆龙株式会社 | Electromagnetic relay |
| JP2010231985A (en) * | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | Electromagnetic relay |
| JP2011028900A (en) * | 2009-07-22 | 2011-02-10 | Panasonic Electric Works Co Ltd | Electromagnetic relay device |
| CN102013361A (en) * | 2010-09-06 | 2011-04-13 | 厦门宏发电力电器有限公司 | Magnetic circuit system of eccentric, rotary and asymmetric armature member |
| CN205354965U (en) * | 2015-11-03 | 2016-06-29 | 东莞市中汇瑞德电子股份有限公司 | Electromagnetic relay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039212A (en) * | 2017-01-13 | 2017-08-11 | 厦门赛特勒继电器有限公司 | A kind of electromagnetic relay |
| CN107039212B (en) * | 2017-01-13 | 2019-04-02 | 厦门赛特勒继电器有限公司 | A kind of electromagnetic relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105280444B (en) | 2017-11-21 |
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