CN2829065Y - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN2829065Y CN2829065Y CN 200520087559 CN200520087559U CN2829065Y CN 2829065 Y CN2829065 Y CN 2829065Y CN 200520087559 CN200520087559 CN 200520087559 CN 200520087559 U CN200520087559 U CN 200520087559U CN 2829065 Y CN2829065 Y CN 2829065Y
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- CN
- China
- Prior art keywords
- armature
- magnet steel
- electromagnetic relay
- relay according
- pedestal
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses an electromagnetic relay which comprises a cover casing, an armature component, and a base, wherein the base is provided with at least one supporting shaft which is used for installing the armature component; the rough middle part of the bottom of the armature component is provided with shaft sleeves which are integrally formed by insulating materials and are matched and used with the supporting shaft of the base; the shaft sleeves are arranged in a demising groove at the bottom of the armature component, and the demising groove comprises a demising part which is arranged on magnetic steel and/or the armature. After the structure is adopted, when the insulating materials are formed, the insulating materials can be made into the shaft sleeves by utilizing that the demising part of the magnetic steel and/or the armature is used as the demising groove of the bottom of the armature component. Thus, the supporting shaft of the base makes full use of a part of positions of the magnetic steel and/or the armature; the utility model ensures that a rotary shaft, a support, the armature, and the magnetic steel have sufficient sizes, when the rotary shaft, the support, the armature, and the magnetic steel are matched together, the space is saved. Accordingly, the volume of the relay is smaller and the sensitivity is not reduced.
Description
Technical field
The utility model relates to a kind of electromagnetic relay, relates to particularly that a kind of volume is little, the electromagnetic relay of compact conformation.
Background technology
Electromagnetic relay is a kind of electronic control device, generally is made up of iron core, coil, armature, contact reed etc.As long as add certain voltage at the coil two ends, will flow through certain electric current in the coil, thereby generation galvanomagnetic effect, armature will overcome the pulling force of return spring under the effect of electromagnetic attracting force inhales to iron core, thereby drives the moving contact and fixed contact (normally opened contact) adhesive of armature; Behind coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return original position at the reaction force of spring, make moving contact and original fixed contact (normally-closed 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.Along with the fast development of science and technology, and cater to the miniaturization of automatic control equipment, the requirement that becomes more meticulous, relay construction also needs compacter, and the situation lower volume that does not reduce in sensitivity can be littler, and longer service life and functional reliability are higher.In the prior art, because the rotating shaft of armature of relay part and the supporting of base portion need have enough big size, to guarantee its mechanical strength, again because magnet steel and armature also need enough big size, to guarantee having enough magnetic properties to satisfy the requirement of sensitivity, so all require at above-mentioned several sections under the situation of large-size, when they are combined together, will occupy relay inside than large space, make relay be difficult to realize miniaturization, thereby influenced the scope of application of electromagnetic relay.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of electromagnetic relay is provided, and by the structural improvement to armature assembly in the relay, has the characteristics of little, the highly sensitive and reliable operation of volume.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic relay, comprise case, armature assembly, pedestal, and armature assembly is installed on the pedestal, and armature assembly and base sleeve are contained in the case;
Pedestal comprises the quiet spring that has fixed contact, draw reed, have " C " shape iron core bobbin, be wound on the bobbin coil and with quiet spring, draw reed and coil component and be injection-moulded in together insulating material body, be provided with the bolster that at least one is used to install armature assembly on the top of insulating material body;
The magnet steel that armature assembly comprises armature, fit with armature, be arranged on the movable contact spring of armature side and the insulating material body that above-mentioned armature, magnet steel, movable contact spring are injection-moulded in, the contact jaw of movable contact spring is connected with moving contact, and the approximate mid-section in the bottom of armature assembly is provided with axle sleeve integrated by insulating material and that can be used with the bolster of pedestal; Described axle sleeve is located in the slot to make way of bottom of armature assembly; Described slot to make way comprises the portion that steps down that is located at magnet steel.
Described magnet steel is one, and the portion of stepping down of magnet steel is the otch of the middle both sides on the magnet steel broad ways.
Described magnet steel is two, and two blocks of magnet steel lay respectively at the both sides of armature, and the portion of stepping down of magnet steel is two gaps between the magnet steel.
Described two blocks of magnet steel big or small identical.
Described two blocks of magnet steel big or small inequality.
Described slot to make way also comprises the portion that steps down that is located in the armature and is complementary with the portion of stepping down of magnet steel.
Described magnet steel is one, and the portion of stepping down of magnet steel is the otch of the middle both sides on the magnet steel broad ways; The portion of stepping down of armature is the otch of the middle both sides on the armature broad ways.
Described magnet steel is two, and two blocks of magnet steel lay respectively at the both sides of armature, and the portion of stepping down of magnet steel is two gaps between the magnet steel; The portion of stepping down of armature be in the armature corresponding to the groove at two magnetic steel gap places, groove is to have the circular arc that the bolster with pedestal fits.
Described two blocks of magnet steel big or small identical.
Described two blocks of magnet steel big or small inequality.
During making, be to be provided with the portion of stepping down in described magnet steel and/or described armature, this portion that steps down can be made into axle sleeve when the insulating material moulding as the slot to make way of the bottom of armature assembly.During installation, be that the axle sleeve of armature assembly is cooperated with bolster on the pedestal, making armature assembly can be that fulcrum rotates with the bolster, drives the movable contact spring motion, makes cut-offfing of dynamic and static contact.In the use, when the coil two ends in the pedestal add certain voltage, will flow through certain electric current in the coil, thereby generation galvanomagnetic effect, armature will overcome the iron core of pulling force suction in pedestal of return spring under the effect of electromagnetic attracting force, at this moment, armature assembly will be by cooperating between its axle sleeve and the bolster, around being that fulcrum rotates with the bolster, the moving contact of the contact jaw of movable contact spring in the armature assembly then, will with fixed contact (normally opened contact) adhesive on the pedestal; Behind coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return original position at the reaction force of spring, make moving contact and original fixed contact (normally-closed contact) adhesive.
The beneficial effects of the utility model are, owing to adopted at described magnet steel and/or described armature and be provided with the portion of stepping down, and the portion of stepping down of magnet steel and/or armature can be made into axle sleeve when the insulating material moulding as the slot to make way of armature assembly bottom, this axle sleeve partly rotates around fulcrum with making armature cooperating of bolster, the motion of driving movable contact spring, make, cut-offfing of fixed contact, like this, the bolster of pedestal has just made full use of a part of position of magnet steel and/or armature, guaranteed rotating shaft, supporting, armature and magnet steel have enough sizes, and it saves the space when being combined together, thereby makes that the volume of relay is littler, and sensitivity does not reduce.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of electromagnetic relay of the present utility model is not limited to embodiment.
Fig. 1 is a structure decomposition map of the present utility model;
Fig. 2 is the left view of embodiment one armature assembly of the present utility model;
Fig. 3 is the upward view of embodiment one armature assembly of the present utility model;
Fig. 4 is the axonometric drawing of embodiment one armature assembly of the present utility model (spinning upside down);
Fig. 5 is the axonometric drawing of embodiment one magnet steel of the present utility model and armature (spinning upside down);
Fig. 6 is the axonometric drawing of embodiment two magnet steel of the present utility model and armature (spinning upside down);
Fig. 7 is the axonometric drawing of embodiment two armature assemblies of the present utility model (spinning upside down).
Embodiment
Embodiment one, and to shown in Figure 5, a kind of electromagnetic relay of the present utility model comprises case 3, armature assembly 2, pedestal 1 referring to Fig. 1, and armature assembly 2 is installed on the pedestal 1, and armature assembly 2 and pedestal 1 are sleeved in the case 3;
Pedestal 1 comprises the quiet spring that has fixed contact, draw reed, have " C " shape iron core bobbin, be wound on the bobbin coil and with quiet spring, draw reed and coil component and be injection-moulded in together insulating material body, be provided with two bolsters 11 that are used to install armature assembly on the top of insulating material body;
The magnet steel 22 that armature assembly 2 comprises armature 21, fit with armature, be arranged on the movable contact spring 25 of armature side and the insulating material body 24 that above-mentioned armature 21, magnet steel 22, movable contact spring 25 are injection-moulded in, promptly armature 21, moving spring 25 and magnet steel 22 are combined and become parts by insulating material, the contact jaw of movable contact spring 25 is connected with moving contact 26, and the approximate mid-section in the bottom of armature assembly 2 is provided with axle sleeve 24a integrated by insulating material and that can be used with the bolster 11 of pedestal; Described axle sleeve 24a is located in the slot to make way of bottom of armature assembly; Described slot to make way comprises the portion that steps down that is located at magnet steel.
Wherein, magnet steel 22 is one, and the portion of stepping down of magnet steel 22 is the otch 22a of the middle both sides on magnet steel 22 broad wayss.
During making, be to be provided with the 22a of portion that steps down in described magnet steel 22, this 22a of portion that steps down can be made into axle sleeve 24a when the insulating material moulding as the slot to make way of the bottom of armature assembly 2.During installation, be that the axle sleeve 24a of armature assembly is cooperated with bolster 11 on the pedestal, making armature assembly 2 can be that fulcrum rotates with bolster 11, drives movable contact spring 25 motions, makes cut-offfing of dynamic and static contact.In the use, when the coil two ends in the pedestal 1 add certain voltage, will flow through certain electric current in the coil, thereby generation galvanomagnetic effect, armature will overcome the iron core of pulling force suction in pedestal of return spring under the effect of electromagnetic attracting force, at this moment, armature assembly 2 will be by cooperating between its axle sleeve 24a and the bolster 11, around with bolster 11 being the fulcrum rotation, the moving contact 26 of the contact jaw of movable contact spring in the armature assembly 2 then, will with fixed contact (normally opened contact) adhesive on the pedestal 1; Behind coil blackout, the suction of electromagnetism also disappears thereupon, and armature will return original position at the reaction force of spring, make moving contact and original fixed contact (normally-closed contact) adhesive.
Embodiment two, and referring to Fig. 6, shown in Figure 7, a kind of electromagnetic relay of the present utility model comprises case 3, armature assembly 2, pedestal 1, and armature assembly 2 is installed on the pedestal 1, and armature assembly 2 and pedestal 1 are sleeved in the case 3; Approximate mid-section in the bottom of armature assembly 2 is provided with axle sleeve 24a integrated by insulating material and that can be used with the bolster 11 of pedestal; Described axle sleeve 24a is located in the slot to make way of bottom of armature assembly; Described slot to make way comprises the portion that steps down that is located at magnet steel 22.
Be that with the difference of embodiment one slot to make way also comprises the portion that steps down that is located in the armature 21 and is complementary with the portion of stepping down of magnet steel.Described magnet steel is two, and promptly magnet steel 22,23, two blocks of magnet steel of magnet steel 22,23 lay respectively at the both sides of armature 21, and the portion of stepping down of magnet steel is the gap between two blocks of magnet steel 22,23; The portion of stepping down of armature 21 be in the armature corresponding to the groove 21a of two blocks of magnet steel, 22,23 gap locations, groove 21a has the circular arc that the bolster 11 with pedestal fits.
Wherein, two blocks of magnet steel 22,23 big or small identical, certainly, the size of two blocks of magnet steel also can be inequality.
Claims (10)
1. an electromagnetic relay comprises case, armature assembly, pedestal, and armature assembly is installed on the pedestal, and armature assembly and base sleeve are contained in the case;
Pedestal comprises the quiet spring that has fixed contact, draw reed, have " C " shape iron core bobbin, be wound on the bobbin coil and with quiet spring, draw reed and coil component and be injection-moulded in together insulating material body, be provided with the bolster that at least one is used to install armature assembly on the top of insulating material body;
The magnet steel that armature assembly comprises armature, fit with armature, be arranged on the movable contact spring of armature side and the insulating material body that above-mentioned armature, magnet steel, movable contact spring are injection-moulded in, the contact jaw of movable contact spring is connected with moving contact, it is characterized in that: the approximate mid-section in the bottom of armature assembly is provided with axle sleeve integrated by insulating material and that can be used with the bolster of pedestal; Described axle sleeve is located in the slot to make way of bottom of armature assembly; Described slot to make way comprises the portion that steps down that is located at magnet steel.
2. a kind of electromagnetic relay according to claim 1 is characterized in that: described magnet steel is one, and the portion of stepping down of magnet steel is the otch of the middle both sides on the magnet steel broad ways.
3. a kind of electromagnetic relay according to claim 1 is characterized in that: described magnet steel is two, and two blocks of magnet steel lay respectively at the both sides of armature, and the portion of stepping down of magnet steel is two gaps between the magnet steel.
4. a kind of electromagnetic relay according to claim 3 is characterized in that: described two blocks of magnet steel big or small identical.
5. a kind of electromagnetic relay according to claim 3 is characterized in that: described two blocks of magnet steel big or small inequality.
6. a kind of electromagnetic relay according to claim 1 is characterized in that: described slot to make way also comprises the portion that steps down that is located in the armature and is complementary with the portion of stepping down of magnet steel.
7. a kind of electromagnetic relay according to claim 6 is characterized in that: described magnet steel is one, and the portion of stepping down of magnet steel is the otch of the middle both sides on the magnet steel broad ways; The portion of stepping down of armature is the otch of the middle both sides on the armature broad ways.
8. a kind of electromagnetic relay according to claim 6 is characterized in that: described magnet steel is two, and two blocks of magnet steel lay respectively at the both sides of armature, and the portion of stepping down of magnet steel is two gaps between the magnet steel; The portion of stepping down of armature be in the armature corresponding to the groove at two magnetic steel gap places, groove is to have the circular arc that the bolster with pedestal fits.
9. a kind of electromagnetic relay according to claim 8 is characterized in that: described two blocks of magnet steel big or small identical.
10. a kind of electromagnetic relay according to claim 8 is characterized in that: described two blocks of magnet steel big or small inequality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087559 CN2829065Y (en) | 2005-09-23 | 2005-09-23 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087559 CN2829065Y (en) | 2005-09-23 | 2005-09-23 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2829065Y true CN2829065Y (en) | 2006-10-18 |
Family
ID=37080617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087559 Expired - Lifetime CN2829065Y (en) | 2005-09-23 | 2005-09-23 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2829065Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424802C (en) * | 2005-09-22 | 2008-10-08 | 厦门宏发电声有限公司 | Electronic magnetic relay |
| CN107833792A (en) * | 2017-11-07 | 2018-03-23 | 厦门宏发信号电子有限公司 | A kind of microminiature electromagnetic relay of high withstand voltage |
| CN109545627A (en) * | 2018-10-31 | 2019-03-29 | 厦门宏发信号电子有限公司 | A kind of relay construction that break contact gap can be improved |
-
2005
- 2005-09-23 CN CN 200520087559 patent/CN2829065Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424802C (en) * | 2005-09-22 | 2008-10-08 | 厦门宏发电声有限公司 | Electronic magnetic relay |
| CN107833792A (en) * | 2017-11-07 | 2018-03-23 | 厦门宏发信号电子有限公司 | A kind of microminiature electromagnetic relay of high withstand voltage |
| CN107833792B (en) * | 2017-11-07 | 2020-03-06 | 厦门宏发信号电子有限公司 | High-voltage-resistant subminiature electromagnetic relay |
| CN109545627A (en) * | 2018-10-31 | 2019-03-29 | 厦门宏发信号电子有限公司 | A kind of relay construction that break contact gap can be improved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081008 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |