CN101709805A - Directly operated type electromagnetic switch valve - Google Patents
Directly operated type electromagnetic switch valve Download PDFInfo
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- CN101709805A CN101709805A CN200910216650A CN200910216650A CN101709805A CN 101709805 A CN101709805 A CN 101709805A CN 200910216650 A CN200910216650 A CN 200910216650A CN 200910216650 A CN200910216650 A CN 200910216650A CN 101709805 A CN101709805 A CN 101709805A
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- switch valve
- electromagnetic switch
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Abstract
The invention discloses a directly operated type electromagnetic switch valve, which mainly comprises a coil bracket, an outlet body fixedly connected with one end of the coil bracket, a dynamic iron core arranged inside the coil bracket and a static iron core provided with an inlet inside. The valve is characterized in that flow-guiding ports are arranged inside the corresponding sides of the dynamic iron core and the static iron core respectively; the inlet is communicated with the flow-guiding ports inside the static iron core; and elastic components are arranged inside the two flow-guiding ports. The dynamic iron core and the static iron core are both arranged inside the coil bracket and are both provided with the flow-guiding ports inside; the dynamic iron core is provided with a through hole; and the flow-guiding ports inside the static iron core are communicated with the inlet inside the static iron core. Therefore, media entering from the inlet can flow past the inside of the coil bracket through the flow-guiding ports and the through hole on the dynamic iron core so as to reduce the temperature rise of electromagnetic coils and greatly prolong lifespan. Meanwhile, the valve can also reduce the motion friction of the dynamic iron core and increase switching frequency.
Description
Technical field
The present invention relates to a kind of switch valve, specifically be meant a kind of directly operated type electromagnetic switch valve.
Background technique
Existing on the market two perfectly straight dynamic formula electromagnetic switch valves at present, these electromagnetic switch valves its circulation medium when normal the use does not pass through in the coil brace of electromagnetic switch valve, can not take away the heat that coil produces by flowing of medium, cause coil temperature rise higher, be not suitable for combustible medium.Some electromagnetic switch valve adopts the method that increases the afterflow coil to reduce the temperature rise of coil, but can reduce the electromagnetic force of solenoid valve when work like this, is not suitable for reliably using in vibration environment.The moving iron core (armature) of solenoid valve generally adopts cylinder type, and its kinetic friction force is bigger, is unfavorable for working under higher switching frequency.
Summary of the invention
The objective of the invention is to overcome the defective that present solenoid valve can not be widely used because coil temperature rise is too high and switching frequency is lower when work, provide a kind of and can reduce solenoid valve coil temperature rise and the directly operated type electromagnetic switch valve that improves switching frequency when work effectively.
Purpose of the present invention is achieved through the following technical solutions: directly operated type electromagnetic switch valve, mainly outlet body that is fixedly linked by coil brace, with an end of coil brace and the moving iron core that is arranged on coil brace inside and the inner static iron core that is provided with import constitute.Simultaneously, be respectively equipped with flow-guiding mouth in the inside of the moving corresponding side with static iron core of iron core, described import is connected with the flow-guiding mouth of static iron core inside, and also is provided with resilient member in the inside of these two flow-guiding mouths.
Further, described moving iron core is between outlet body and static iron core, and the inwall of coil support is free to slide along the line; The cross section of described moving iron core is a regular polygon, and portion also is provided with a through hole that is connected with the flow-guiding mouth of moving core interior within it.
In order better to realize the present invention, the cross section of described moving iron core adopts regular hexagon.Described resilient member then adopts by the made spring of beryllium bronze.
Simultaneously, also be provided with the outlet that is used for the medium outflow in the inside of outlet body.Can seal up this outlet in order to ensure moving iron core of the present invention when the not adhesive, prevent that medium from flowing out, therefore export a contacted end inside and also be provided with by the oil resistant rubber seal rubber pad that is made at moving iron core and this.
In order further to guarantee sealing effect, between outlet body and coil brace, also be provided with seal ring.
The outside at coil brace also is provided with overcoat, and the edge of described static iron core is stuck in the end face ring shaped slot inside of overcoat through circlip.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) moving iron core of the present invention and static iron core all are arranged on the inside of coil brace, and also are equipped with flow-guiding mouth at moving iron core and static iron core inside, and the flow-guiding mouth of described static iron core inside also is connected with the import of static iron core inside.Therefore, when moving iron core of the present invention and static iron core mutually during adhesive, the medium that enters from import just can flow through from the inside of coil brace through this flow-guiding mouth, thereby can effectively reduce the temperature rise of coil brace internal electromagnetic coil, significantly increases the service life.
(2) the present invention also is provided with by the made spring of beryllium bronze in the flow-guiding mouth inside of moving iron core and static iron core, because beryllium bronze has good decay resistance and diamagnetic voltinism energy, therefore this spring is not easy to be magnetized, can effectively reduce the resistance between spring when motion and moving iron core and the static iron core, significantly improve the adhesive frequency between moving iron core and the static iron core, its adhesive frequency can reach tens hertz, much larger than several hertz adhesive frequency of traditional electrical magnet valve.
(3) the existing solenoid valve of overall structure of the present invention is compared more simply, and structure is more compact, adds that simultaneously the end face of moving iron core adopts hexahedron structure, so has better resistance to shock.
(4) because the temperature rise of electromagnetic coil of the present invention is very low, so the present invention goes for various dissimilar media, thereby significantly improved using scope.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present invention.
Fig. 2 is an A-A cross-sectional view shown in Figure 1.
Wherein, the component name of reference character correspondence is called among the figure:
1-exports body, the 2-seal ring, and the 3-overcoat, the 4-resilient member, the 5-circlip, the 6-static iron core, the 7-coil brace, 8-moves iron core, 9-electromagnetic coil, 10-seal rubber pad, 11-flow-guiding mouth, 12-import, 13-through hole, 14-outlet.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, 2, an end of coil brace 7 is connected with outlet body 1, and also is provided with the seal ring 2 of O type between coil brace 7 and outlet body 1, with the sealability between intensifier coil support 7 and the outlet body 1.
The inside of coil brace 7 is provided with a latus rectum that diameter is bigger, and the inside of outlet body 1 is provided with an outlet 14, and this outlet 14 is connected with the latus rectum of coil brace 7 inside.Moving iron core 8 is arranged on the inside of coil brace 7, and can be free to slide along the inwall of coil brace 7.One end of static iron core 6 is positioned at the inside of coil brace 7, and the other end then is positioned at the outside of coil brace 7.On the outer surface of coil brace 7, also be provided with electromagnetic coil 9, also be provided with overcoat 3, make electromagnetic coil 9 between coil brace 7 and this overcoat 3, to guarantee that this electromagnetic coil 9 is with extraneous isolated in the outside of coil brace 7.Simultaneously, static iron core 6 is divided into cylindrical structural in coil brace 7 inside, and the cylindrical of its cylindrical structural and coil brace 7 inwalls form the interference drive fit, to prevent that effectively circulation medium from passing through coil brace 7 inwalls and leaking.Circlip 5 is stuck in the end face ring shaped slot inside of overcoat 3, thereby outlet body 1, coil brace 7, static iron core 6 are fixed in the overcoat 3.
Because an end of moving iron core 8 can contact with an end of static iron core 6 under the magnetic field of electromagnetic coil 9, in order to reduce the temperature rise of electromagnetic coil 9, therefore respectively be equipped with a flow-guiding mouth 11 at moving iron core 8 and static iron core 6 contacted end inside, promptly be equipped with flow-guiding mouth 11 in the inside of moving iron core 8 and static iron core 6.When moving iron core 8 during by adhesive, the flow-guiding mouth 11 of moving iron core 8 inside and the just synthetic medium channel of the flow-guiding mouth 11 of static iron core 6 inside.
Be provided with one in the inside of static iron core 6 and be used for the import 12 that medium enters, this import 12 is connected with the flow-guiding mouth 11 of static iron core 6 inside.Simultaneously, also be provided with a through hole 13 that is connected with the flow-guiding mouth 11 of moving iron core 8 inside in the inside of moving iron core 8, and the medial axis of the flow-guiding mouth 11 of the medial axis of this through hole 13 and moving iron core 8 inside is perpendicular.Do not contact under the situation of electromagnetic coil 9 outages in order to ensure moving iron core 8, therefore also be provided with a resilient member 4 at the flow-guiding mouth 11 of moving iron core 8 and flow-guiding mouth 11 inside of static iron core 6 with static iron core 6.Consider various parameters and structure characteristic, this resilient member 4 adopts the metal spring of being made by beryllium bronze.
At the other end of moving iron core 8, promptly also be provided with the seal rubber pad 10 that is made by oil resistant rubber with corrosion resistance and certain rigidity with the outlet 14 contacted ends of outlet body 1.In order to ensure anti-stop iron core 8 transverse vibration takes place, this moving iron core 8 is made into the cylinder that cross section is a regular polygon, as being square, regular pentagon or regular hexagon or the like.In order further to guarantee effect, this moving iron core 8 is made by the electromagnetic pure iron rod, and the corner angle of its exterior lateral sides all are rounded to smooth round edge, to reduce it when the action and the friction of coil brace 7 inwalls, effectively improves switching frequency.In like manner, the latus rectum of coil brace 7 inside is complementary with the cross section that should move iron core 8.
When the present invention moved, electromagnetic coil 9 was under the situation of energising, and moving iron core 8 by adhesive, and closely contact with static iron core 6 under the effect of electromagnetic field, thereby makes the flow-guiding mouth 11 of moving iron core 8 inside and medium channel of flow-guiding mouth 11 formation of static iron core 6 inside.Gas medium that enters from import 12 or liquid medium are just through the flow through flow-guiding mouth 11 of moving iron core 8 inside of the flow-guiding mouth 11 of static iron core 6 inside, and the through hole 13 of driven iron core 8 inside ejects.Owing to have the slit between the outer surface of moving iron core 8 and the inwall of coil brace 7, so this medium can flow out from the outlet 14 of outlet body 1 inside behind this slit just.Otherwise when electromagnetic coil 9 outages, under the elastic force of resilient member 4, this moving iron core 8 just can separate with static iron core 6, thereby seals up the outlet 14 of outlet body 1 inside by seal rubber pad 10, and then blocks the outflow of medium.Therefore, the heat that electromagnetic coil 7 is produced just can with carry out exchange heat through its inner medium, thereby reach the purpose of the temperature rise that reduces electromagnetic coil 7.
As mentioned above, just can realize the present invention preferably.
Claims (8)
1. directly operated type electromagnetic switch valve, the main outlet body (1) that is fixedly linked by coil brace (7), with an end of coil brace (7) and be arranged on the inner moving iron core (8) of coil brace (7) and static iron core (6) formation that inside is provided with import (12), it is characterized in that: the inside in moving iron core (8) and the corresponding side of static iron core (6) is respectively equipped with flow-guiding mouth (11), described import (12) is connected with the flow-guiding mouth (11) of static iron core (6) inside, and also be provided with resilient member (4) in the inside of these two flow-guiding mouths (11,11).
2. directly operated type electromagnetic switch valve according to claim 1 is characterized in that: described moving iron core (8) is positioned between outlet body (1) and the static iron core (6), and the inwall of coil support (7) is free to slide along the line; The cross section of described moving iron core (8) is a regular polygon, and portion also is provided with a through hole (13) that is connected with the flow-guiding mouth (11) of moving iron core (8) inside within it.
3. directly operated type electromagnetic switch valve according to claim 2 is characterized in that: the cross section of described moving iron core (8) is a regular hexagon.
4. directly operated type electromagnetic switch valve according to claim 1 is characterized in that: described resilient member (4) is by the made spring of beryllium bronze.
5. directly operated type electromagnetic switch valve according to claim 3 is characterized in that: also be provided with the outlet (14) that is used for the medium outflow in the inside of outlet body (1), moving iron core (8) also is provided with seal rubber pad (10) with the contacted end inside of this outlet (14).
6. directly operated type electromagnetic switch valve according to claim 5 is characterized in that: described seal rubber pad (10) is made by oil resistant rubber.
7. directly operated type electromagnetic switch valve according to claim 1 is characterized in that: also be provided with seal ring (2) between outlet body (1) and coil brace (7).
8. directly operated type electromagnetic switch valve according to claim 1 is characterized in that: also be provided with overcoat (3) in the outside of coil brace (7), the edge of described static iron core (6) is stuck in the end face ring shaped slot inside of overcoat (3) through circlip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102166509A CN101709805B (en) | 2009-12-08 | 2009-12-08 | Directly operated type electromagnetic switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102166509A CN101709805B (en) | 2009-12-08 | 2009-12-08 | Directly operated type electromagnetic switch valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709805A true CN101709805A (en) | 2010-05-19 |
| CN101709805B CN101709805B (en) | 2011-08-24 |
Family
ID=42402605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102166509A Active CN101709805B (en) | 2009-12-08 | 2009-12-08 | Directly operated type electromagnetic switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709805B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265973A (en) * | 2014-08-10 | 2015-01-07 | 安徽省宁国新鼎汽车零部件有限公司 | Directly-operated type electromagnetic switch valve |
| CN105736766A (en) * | 2014-12-09 | 2016-07-06 | 上海新力动力设备研究所 | Compact rapid two-position three-way electromagnetic directional valve provided with internal channel |
-
2009
- 2009-12-08 CN CN2009102166509A patent/CN101709805B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265973A (en) * | 2014-08-10 | 2015-01-07 | 安徽省宁国新鼎汽车零部件有限公司 | Directly-operated type electromagnetic switch valve |
| CN104265973B (en) * | 2014-08-10 | 2016-09-14 | 安徽省宁国新鼎汽车零部件有限公司 | A kind of directly operated type electromagnetic switch valve |
| CN105736766A (en) * | 2014-12-09 | 2016-07-06 | 上海新力动力设备研究所 | Compact rapid two-position three-way electromagnetic directional valve provided with internal channel |
| CN105736766B (en) * | 2014-12-09 | 2018-03-09 | 上海新力动力设备研究所 | The built-in compact quick two-bit triplet solenoid directional control valve of passage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101709805B (en) | 2011-08-24 |
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Address after: 610000 Sichuan Chengdu Economic and Technological Development Zone (Longquanyi District) 118 Aerospace North Road Patentee after: Sichuan Aerospace Zhongtian Power Equipment Co., Ltd. Address before: 610000 No. 118, Aerospace North Road, Longquanyi District, Chengdu City, Sichuan Province, Annex 7 Patentee before: Sichuan Dayu Special Vehicle Factory |
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