CN205092204U - Small -size electromagnetism release of low pressure - Google Patents
Small -size electromagnetism release of low pressure Download PDFInfo
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- CN205092204U CN205092204U CN201520843414.0U CN201520843414U CN205092204U CN 205092204 U CN205092204 U CN 205092204U CN 201520843414 U CN201520843414 U CN 201520843414U CN 205092204 U CN205092204 U CN 205092204U
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- iron core
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- push rod
- static iron
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Abstract
The utility model relates to a small -size electromagnetism release of low pressure. It is bulky mainly to have solved current dropout electromagnetism ware, the big problem of coil calorific capacity. Small -size electromagnetism release of low pressure, it includes casing, coil skeleton, moves the iron core, quiet iron core, ejector pin, coil, extension spring and shrink spring, the casing with coil skeleton fixed connection, the coil skeleton vertical centring lower part is equipped with moves the iron core, move the ejector pin that the iron core top was equipped with fixed connection, quiet iron core is located and moves the perpendicular top of iron core, quiet iron core with coil skeleton upper portion is fixed to link to each other, quiet iron core center is equipped with the ejector pin via hole, the ejector pin is in up -and -down motion in the ejector pin via hole, the coil cover is established coil skeleton is peripheral. This small -size electromagnetism release of low pressure simple structure is reasonable, device low cost, and practical convenient, the operational reliability is high, and long service life receives the environmental impact little, easily promotes.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of low-voltage miniature magnetictrip.
Background technology
At present, in the device for switching that circuit breaker or control and protective switching device etc. are similar, the dropout electromagnetic device for threading off all is housed, when being short-circuited or transship, dropout electromagnetic device can quick open circuit.
Dropout electromagnetic device is formed by coil, armature, iron core, spring and housing that these parts are housed, and as device for switching internal part, its volume, economy and technical performance directly affects the performance of device for switching.
The unreasonable dropout electromagnetic device volume that makes in dropout electromagnetic device ubiquity push rod installation site of prior art is larger, the problem that coil heating amount is large, volume result in greatly the development of miniature circuit breaker and coil heating amount causes greatly device fragile, reduce the security performance of electromagnetic tripping apparatus, have impact on the overall performance of product.Can the operation of normal table and the people's lives and property safety in order to ensure device for switching, improvement is carried out to dropout electromagnetic device and is very important.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of low-voltage miniature magnetictrip, mainly solve existing dropout electromagnetic device volume large, the problem that coil heating amount is large, this low-voltage miniature magnetictrip is simple and reasonable, by the motion mode allowing push rod pass static iron core, increase coil diameter and the mode of rectangle air-vent is set on housing, reduce volume and the caloric value of product, substantially increase the reliability of plant running, ensure that device for switching can the operation of normal table and the people's lives and property safety, installation cost is cheap, volume is little, practical and convenient, functional reliability is high, long service life, affected by environment little, be easy to promote.
The technical scheme that the utility model adopts is: a kind of low-voltage miniature magnetictrip, and it comprises housing, coil rack, dynamic iron core, static iron core, push rod, coil, stretching, extension spring and contraction spring, and described housing is fixedly connected with described coil rack; Described coil rack vertical centre bottom is provided with dynamic iron core; The push rod be fixedly connected with is provided with above described dynamic iron core; Described static iron core is positioned at dynamic iron core vertical direction; Described static iron core and described coil rack top are fixedly linked; Described static iron core center is provided with push rod via hole; Described push rod moves up and down in described push rod via hole; It is peripheral that described coil is set in described coil rack; It is inner that described stretching, extension spring is positioned at described coil rack; Described stretching, extension spring one end is fixedly connected with described dynamic iron core; The described stretching, extension spring other end is fixedly connected with static iron core; Described contraction spring is positioned at below described dynamic iron core; Described contraction spring one end is fixedly connected with described coil rack; The described contraction spring other end is fixedly connected with described dynamic iron core; Described housing is provided with circular coil via hole and rectangle air-vent; Described circular coil via hole makes described coil be connected with circuit; Described rectangle air-vent is uniformly distributed housing one week; Described coil rack is provided with coil floor, dynamic iron core adjustable pipe and static iron core stationary pipes; Described coil floor is positioned at described coil rack bottom; Described coil floor is positioned at below described coil; Described dynamic iron core is up and down in described dynamic iron core adjustable pipe; Described static iron core stationary pipes fixes described static iron core; Described dynamic core center vertical upper is provided with push rod installing hole; Described push rod installing hole is fixedly connected with described push rod; Described static iron core top is provided with static iron core fixed head; Described static iron core fixed head and described coil rack are fixedly linked; Described static iron core fixed head and described housing are fixedly linked; Described push rod end is provided with circular platform type push rod head; Described round platform push rod head is positioned at outside; The upper and lower two ends of described coil are provided with terminals; Described terminals are connected with circuit by described coil via hole.
The beneficial effects of the utility model are: owing to taking technique scheme, this low-voltage miniature magnetictrip is simple and reasonable, by the motion mode allowing push rod pass static iron core, increase coil diameter and the mode of rectangle air-vent is set on housing, reduce volume and the caloric value of product, substantially increase the reliability of plant running, ensure that device for switching can the operation of normal table and the people's lives and property safety, installation cost is cheap, and volume is little, practical and convenient, functional reliability is high, long service life, affected by environment little, be easy to promote.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
In figure 100, housing; 110, circular coil via hole; 120, rectangle air-vent; 200, coil rack; 210, coil floor; 220, dynamic iron core adjustable pipe; 230, static iron core stationary pipes; 300, dynamic iron core; 310, push rod installing hole; 400, static iron core; 410, push rod via hole; 420, static iron core fixed head; 500, push rod; 510, circular platform type push rod head; 600, coil; 610, terminals; 700, spring is stretched; 800, contraction spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 1, a kind of low-voltage miniature magnetictrip, it comprises shell 100, coil rack 200, dynamic iron core 300, static iron core 400, push rod 500, coil 600, stretches spring 700 and contraction spring 800;
Described housing 100 is fixedly connected with described coil rack 200; Described coil rack 200 vertical centre bottom is provided with dynamic iron core 300; The push rod 500 be fixedly connected with is provided with above described dynamic iron core 300; Described static iron core 400 is positioned at dynamic iron core 300 vertical direction; Described static iron core 400 is fixedly linked with described coil rack 200 top; Described static iron core 400 center is provided with push rod via hole 410; Described push rod 500 moves up and down in described push rod via hole 410; It is peripheral that described coil 600 is set in described coil rack 200; It is inner that described stretching, extension spring 700 is positioned at described coil rack 200; Described stretching, extension spring 700 one end is fixedly connected with described dynamic iron core 300; Described stretching, extension spring 700 other end is fixedly connected with static iron core 400; Described contraction spring 800 is positioned at below described dynamic iron core 300; Described contraction spring 800 one end is fixedly connected with described coil rack 200; Described contraction spring 800 other end is fixedly connected with described dynamic iron core 300;
Described housing 100 is provided with circular coil via hole 110 and rectangle air-vent 120; Described circular coil via hole 110 makes described coil 600 be connected with circuit; Described rectangle air-vent 120 is uniformly distributed housing 100 1 weeks;
Described coil rack 200 is provided with coil floor 210, dynamic iron core adjustable pipe 220 and static iron core stationary pipes 230; Described coil floor 210 is positioned at described coil rack 200 bottom; Described coil floor 210 is positioned at below described coil 600; Described dynamic iron core is up and down in described dynamic iron core adjustable pipe 220; Described static iron core stationary pipes 230 fixes described static iron core 400;
Described dynamic iron core 300 central vertical top is provided with push rod installing hole 310; Described push rod installing hole 310 is fixedly connected with described push rod 500;
Described static iron core 400 top is provided with static iron core fixed head 420; Described static iron core fixed head 420 is fixedly linked with described coil rack 200; Described static iron core fixed head 420 is fixedly linked with described housing 100;
Described push rod 500 end is provided with circular platform type push rod head 510; It is outside that described round platform push rod head 510 is positioned at housing 100;
Described coil about 600 two ends are provided with terminals 610; Described terminals 610 are connected with circuit by described coil via hole 110.
Its course of work is as described below: when circuit normally works, electric current makes coil 600 inside form magnetic field by coil 600, the suction making static iron core 400 adhesive move iron core 300 is less than the stretching, extension elastic force of spring 700 and the elastic force of contraction spring 800, makes iron core 300 downward, drives push rod 500 downward;
When circuit is short-circuited or electric current is very large, the magnetic field force that coil 600 produces and static iron core 400 are greater than the elastic force of elastic force and the contraction spring 800 stretching spring 700 with the suction of dynamic iron core 300 adhesive, iron core 300 is moved upward and drives push rod 500 upwards to back down dropout related device open circuit by push rod via hole 410 instantaneously;
In this low-voltage miniature release, push rod 500 reduces volume by the mounting means of push rod via hole 410 and reduces caloric value by the wire diameter that the rectangle air-vent 120 that distributes on housing 100 makes gas permeability increase heat radiation increase coil 600 simultaneously.
Every technical staff's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (7)
1. a low-voltage miniature magnetictrip, comprises housing, coil rack, dynamic iron core, static iron core, push rod, coil, stretching, extension spring and contraction spring, it is characterized in that: described housing is fixedly connected with described coil rack; Described coil rack vertical centre bottom is provided with dynamic iron core; The push rod be fixedly connected with is provided with above described dynamic iron core; Described static iron core is positioned at dynamic iron core vertical direction; Described static iron core and described coil rack top are fixedly linked; Described static iron core center is provided with push rod via hole; Described push rod moves up and down in described push rod via hole; It is peripheral that described coil is set in described coil rack; It is inner that described stretching, extension spring is positioned at described coil rack; Described stretching, extension spring one end is fixedly connected with described dynamic iron core; The described stretching, extension spring other end is fixedly connected with static iron core; Described contraction spring is positioned at below described dynamic iron core; Described contraction spring one end is fixedly connected with described coil rack; The described contraction spring other end is fixedly connected with described dynamic iron core.
2. low-voltage miniature magnetictrip according to claim 1, is characterized in that: described housing is provided with circular coil via hole and rectangle air-vent; Described circular coil via hole makes described coil be connected with circuit; Described rectangle air-vent is uniformly distributed housing one week.
3. low-voltage miniature magnetictrip according to claim 1, is characterized in that: described coil rack is provided with coil floor, dynamic iron core adjustable pipe and static iron core stationary pipes; Described coil floor is positioned at described coil rack bottom; Described coil floor is positioned at below described coil; Described dynamic iron core is up and down in described dynamic iron core adjustable pipe; Described static iron core stationary pipes fixes described static iron core.
4. low-voltage miniature magnetictrip according to claim 1, is characterized in that: described dynamic core center vertical upper is provided with push rod installing hole; Described push rod installing hole is fixedly connected with described push rod.
5. low-voltage miniature magnetictrip according to claim 1, is characterized in that: described static iron core top is provided with static iron core fixed head; Described static iron core fixed head and described coil rack are fixedly linked; Described static iron core fixed head and described housing are fixedly linked.
6. low-voltage miniature magnetictrip according to claim 1, is characterized in that: described push rod end is provided with circular platform type push rod head; Described round platform push rod head is positioned at outside.
7. low-voltage miniature magnetictrip according to claim 1 and 2, is characterized in that: the upper and lower two ends of described coil are provided with terminals; Described terminals are connected with circuit by described coil via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843414.0U CN205092204U (en) | 2015-10-28 | 2015-10-28 | Small -size electromagnetism release of low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843414.0U CN205092204U (en) | 2015-10-28 | 2015-10-28 | Small -size electromagnetism release of low pressure |
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| Publication Number | Publication Date |
|---|---|
| CN205092204U true CN205092204U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520843414.0U Active CN205092204U (en) | 2015-10-28 | 2015-10-28 | Small -size electromagnetism release of low pressure |
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| Country | Link |
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| CN (1) | CN205092204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820200A (en) * | 2017-12-22 | 2018-03-20 | 奥音精密机械（镇江）有限公司 | A kind of special ejection module of the flexible manufacturing production line of loudspeaker |
-
2015
- 2015-10-28 CN CN201520843414.0U patent/CN205092204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820200A (en) * | 2017-12-22 | 2018-03-20 | 奥音精密机械（镇江）有限公司 | A kind of special ejection module of the flexible manufacturing production line of loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 188, weishiwu Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province 325600 Patentee after: ZHEJIANG CHDELE TECHNOLOGY Co.,Ltd. Address before: 325000 shangmi'ao Shangde group building, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG AIDELI ELECTRICAL APPLIANCE Co.,Ltd. |
|
| CP03 | Change of name, title or address |