CN201344278Y - Diaphragm type solenoid valve with large flow capacity - Google Patents
Diaphragm type solenoid valve with large flow capacity Download PDFInfo
- Publication number
- CN201344278Y CN201344278Y CNU2009201419924U CN200920141992U CN201344278Y CN 201344278 Y CN201344278 Y CN 201344278Y CN U2009201419924 U CNU2009201419924 U CN U2009201419924U CN 200920141992 U CN200920141992 U CN 200920141992U CN 201344278 Y CN201344278 Y CN 201344278Y
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- valve
- iron core
- diaphragm
- port
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Abstract
The utility model discloses the manufacturing technology of diaphragm type solenoid valves, which aims to overcome the defects in the prior products such as unstable low pressure performance and lower sensitivity. The diaphragm type solenoid valve comprises a valve body, a valve cover, an electromagnetic coil and an iron core. A sealing rubber gasket is arranged at the lower end of the iron core, and an inner cavity at the upper end of the iron core is provided with a spring; an elastic diaphragm is arranged between the valve body and the valve cover; the valve body under the elastic diaphragm is provided with a valve port, an air inlet and an air outlet; a valve sleeve with a pilot valve port is inserted in the position of the elastic diaphragm positioned above the valve port; a tension spring is arranged between the upper end of the valve sleeve and the lower end of the iron core; and a throttle orifice is formed at the lateral part of the elastic diaphragm. A bushing is arranged between the upper end surface of the elastic diaphragm and the valve sleeve. After the electromagnetic coil of the diaphragm type solenoid valve is electrified, even though the differential pressure between the air inlet and the air outlet is less and is hard to enable the elastic diaphragm to be completely deformed, the valve port also can be opened completely, so as to effectively ensure that the valve body quickly reaches optimal working state. The utility model has the advantages of skilful concept and high sensitivity.
Description
Technical field
The utility model relates to a kind of gas control component manufacturing technology, refers to that especially the diaphragm of high flow capacity diaphragm electromagnetic valve opens and closes the valve port technology.
Background technique
Solenoid valve is a kind of very common Automatic Control Component, it utilizes electromagnetic force to open or throttle down is promptly imported an electrical signal at control circuit, solenoid valve is interior with regard to magnetic signal of corresponding generation, this magnetic signal DM produces an action, the switching of valve just produces a correspondence, and two types of pneumatic and hydraulic pressure are arranged.This type of comparatively typical product as State Intellectual Property Office in notice of authorization on February 21st, 2007, the patent No. is called " diaphragm electromagnetic valve " utility model patent for the ZL200620100262.6 name, it " have the cavity that forms by the assembling of valve gap and valve seat; in this cavity, be provided with the valve port between medium inlet and media outlet; a diaphragm that can produce deformation over against described valve port is divided into epicoele and cavity of resorption with described cavity; ... because the edge of the diaphragm of this structure is in free state, thereby can be issued to the technical requirements of big flow in the simple prerequisite of assurance diaphragm structure ".But when applicant was found this product coil energising, diaphragm disengaging valve port, the flow size of valve body depended on the distortion of diaphragm, and the amount of deformation of diaphragm depends on the pressure reduction of diaphragm upper and lower end face; Therefore when inlet pressure is low, be the diaphragm upper and lower end face pressure reduction hour, diaphragm deformation after a little while, valve port is difficult to open fully, and valve body is difficult to realize the function of high flow capacity, has low-pressure performance instability, deficiency that sensitivity is on the low side thereby embody this series products.
The model utility content
The technical problems to be solved in the utility model is to overcome low-pressure performance instability, sensitivity defective and the deficiency on the low side that existing like product exists, provide the equal stable and consistent of a kind of high low pressure performance, highly sensitive diaphragm electromagnetic valve product to society, effectively improve the air-operated solenoid valve product performance.
The technological scheme that its technical problem that solves the utility model adopts is: the high flow capacity diaphragm electromagnetic valve comprises valve body, valve gap, electromagnetic coil and iron core, and described iron core lower end is provided with seal rubber pad, and the upper end inner chamber is provided with spring; Be embedded with flexible sheet between described valve body and the described valve gap, the described valve body of described flexible sheet below is provided with valve port, suction port and air outlet; Described flexible sheet is positioned at the valve pocket that position directly over the described valve port is embedded the tool poppet port, establishes extension spring between described valve pocket upper end and the described iron core lower end; The sidepiece of described flexible sheet is provided with throttle orifice.Be provided with lining between described flexible sheet upper-end surface and the described valve pocket.
The utility model high flow capacity diaphragm electromagnetic valve, after electromagnetic coil energising, seal rubber pad are opened the poppet port of valve pocket, even if pressure reduction is less between suction port and the air outlet, be difficult to make flexible sheet to be badly deformed, but because described valve pocket is subjected to the extension spring effect and promotes in the lump with iron core, thereby flexible sheet still can arrive maximum deformation state rapidly, valve port is opened fully, and sensitivity improves greatly, guarantees that effectively valve body arrives optimum Working fast.Compare than existing product, this product have be skillfully constructed, stable performance and sensitive high advantage.
Description of drawings
Fig. 1 is embodiment's one off-position structural representation.
Fig. 2 is embodiment's two off-position structural representations.
Embodiment
As shown in Figure 1, the utility model high flow capacity diaphragm electromagnetic valve comprises valve body 1, valve gap 2, electromagnetic coil 3 and iron core 15, and described iron core 15 lower ends are provided with seal rubber pad 14, and upper end inner chamber 18 is provided with spring 16, and axially side is penetrated with ventilative groove 17.Be embedded with flexible sheet 8 between described valve body 1 and the described valve gap 2 and isolate, the described valve body 1 of described flexible sheet 8 belows is provided with valve port 7, suction port 5 and air outlet 4; Described flexible sheet 8 is positioned at the valve pocket 6 that position directly over the described valve port 7 is embedded tool poppet port 9, is provided with lining 13 between described flexible sheet 8 upper-end surfaces and the described valve pocket 6, can improve the flatness of described flexible sheet 8 and valve port 7 sealings.Establish extension spring 10 between described valve pocket 6 upper ends and described iron core 15 lower ends.The sidepiece of described flexible sheet 8 is provided with throttle orifice 11, with described valve body 1 and valve gap 2 inner chamber conductings.
Figure 2 shows that the utility model embodiment two "on" position structural representations, be that with embodiment one the main distinction power of described electromagnetic coil 3 is different, formed the series product of different parameters index thus.Other structure characteristic is with shown in Figure 1, at this section repeated description no longer.
Continue in conjunction with the accompanying drawings the working principle of summary the utility model product below.As shown in Figure 1 during electromagnetic coil 3 off-positions, after air pressure enters valve body 1 inner chamber by suction port 5, enter valve gap 2 inner chambers through the throttle orifice 11 of described flexible sheet 8; This moment, therefore the upper and lower end face of described flexible sheet 8 formed back pressure and bowing downwards, rapidly valve port 20 is closed because the air pressure in the valve port 7 will be well below valve gap 2 inner chamber air pressure.After electromagnetic coil 3 energisings, iron core 15 overcomes spring 16 elastic force and moves up along coil internal lining pipe 12, and seal rubber pad 14 is opened the poppet port 9 of valve pocket 6, and valve gap 2 inner chamber air pressure are by poppet port 9 release in valve port 7; Even if pressure reduction is less between suction port 5 and the air outlet 4 at this moment, the pressure reduction deficiency that forms is so that fully upwards bowing of flexible sheet 8, but because valve pocket 6 is subjected to the extension spring effect and promotes in the lump with iron core, thereby flexible sheet still can reach maximum upwards bowing amount rapidly, valve port is opened fully, guarantees that effectively valve body arrives optimum Working fast.
Claims (2)
1, a kind of high flow capacity diaphragm electromagnetic valve comprises valve body (1), valve gap (2), electromagnetic coil (3) and iron core (15), and described iron core (15) lower end is provided with seal rubber pad (14), and upper end inner chamber (18) is provided with spring (16); Be embedded with flexible sheet (8) between described valve body (1) and the described valve gap (2), the described valve body (1) of described flexible sheet (8) below is provided with valve port (7), suction port (5) and air outlet (4); Described flexible sheet (8) is positioned at the valve pocket (6) that position directly over the described valve port (7) is embedded tool poppet port (9), it is characterized in that: establish extension spring (10) between described valve pocket (6) upper end and described iron core (15) lower end; The sidepiece of described flexible sheet (8) is provided with throttle orifice (11).
2, high flow capacity diaphragm electromagnetic valve according to claim 1 is characterized in that: be provided with lining (13) between described flexible sheet (8) upper-end surface and the described valve pocket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201419924U CN201344278Y (en) | 2009-03-10 | 2009-03-10 | Diaphragm type solenoid valve with large flow capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201419924U CN201344278Y (en) | 2009-03-10 | 2009-03-10 | Diaphragm type solenoid valve with large flow capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344278Y true CN201344278Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201419924U Expired - Fee Related CN201344278Y (en) | 2009-03-10 | 2009-03-10 | Diaphragm type solenoid valve with large flow capacity |
Country Status (1)
| Country | Link |
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| CN (1) | CN201344278Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133748A (en) * | 2011-11-30 | 2013-06-05 | 株式会社鹭宫制作所 | Solenoid valve and controlled solenoid valve |
| CN104763839A (en) * | 2015-04-19 | 2015-07-08 | 肖国选 | Slowly-closed pilot type electromagnetic valve |
| CN104819334A (en) * | 2015-04-30 | 2015-08-05 | 华中科技大学无锡研究院 | Pilot type membrane electromagnetic switch valve |
| CN106678388A (en) * | 2017-02-27 | 2017-05-17 | 曹可星 | Step-by-step direct-acting electromagnetic valve |
| CN108869783A (en) * | 2018-05-08 | 2018-11-23 | 青岛明赫渔业工程科技有限责任公司 | A kind of ultraviolet-sterilization solenoid valve of the cultivation water for recycling |
| CN109915619A (en) * | 2019-01-24 | 2019-06-21 | 宁波佳音机电科技股份有限公司 | Solenoid valve |
| CN111133239A (en) * | 2017-09-25 | 2020-05-08 | 株式会社富士金 | Valve device, flow rate adjusting method, fluid control device, flow rate controlling method, semiconductor manufacturing device, and semiconductor manufacturing method |
-
2009
- 2009-03-10 CN CNU2009201419924U patent/CN201344278Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133748A (en) * | 2011-11-30 | 2013-06-05 | 株式会社鹭宫制作所 | Solenoid valve and controlled solenoid valve |
| CN104763839A (en) * | 2015-04-19 | 2015-07-08 | 肖国选 | Slowly-closed pilot type electromagnetic valve |
| CN104763839B (en) * | 2015-04-19 | 2017-03-01 | 肖国选 | Slow pass pilot-type solenoid valve |
| CN104819334A (en) * | 2015-04-30 | 2015-08-05 | 华中科技大学无锡研究院 | Pilot type membrane electromagnetic switch valve |
| CN104819334B (en) * | 2015-04-30 | 2018-01-05 | 华中科技大学无锡研究院 | A kind of pilot type diaphragm electromagnetic switch valve |
| CN106678388A (en) * | 2017-02-27 | 2017-05-17 | 曹可星 | Step-by-step direct-acting electromagnetic valve |
| CN111133239A (en) * | 2017-09-25 | 2020-05-08 | 株式会社富士金 | Valve device, flow rate adjusting method, fluid control device, flow rate controlling method, semiconductor manufacturing device, and semiconductor manufacturing method |
| CN108869783A (en) * | 2018-05-08 | 2018-11-23 | 青岛明赫渔业工程科技有限责任公司 | A kind of ultraviolet-sterilization solenoid valve of the cultivation water for recycling |
| CN109915619A (en) * | 2019-01-24 | 2019-06-21 | 宁波佳音机电科技股份有限公司 | Solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fenghua City Shengling Pneumatic Machinery Electric Co., Ltd. Assignor: Jiang Kezhen Contract record no.: 2010330001048 Denomination of utility model: Diaphragm type solenoid valve with large flow capacity Granted publication date: 20091111 License type: Exclusive License Record date: 20100528 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20120310 |