Direct action pilot-operated type electromagnetic valve
A technology of pilot solenoid valve and valve stem, which is applied in the field of solenoid valves to achieve the effect of low manufacturing cost and simple structure
Active Publication Date: 2017-07-21
成都特恩达燃气设备有限公司
View PDF5 Cites 4 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] The present invention provides a direct-acting pilot-operated solenoid valve, which aims to solve the problem that the existing solenoid valves are direct-acting or pilot-operated, which have certain limitations when used alone.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] In the description of the present invention, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense unless otherwise clearly specified and limited. Disassembled connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
[0023] refer to figure 1 and figure 2 , a direct-acting pilot-operated solenoid valve, including a valve body 1, a valve disc 2, a valve stem 3, a valve cover 5, a moving iron core 6, a static iron core 7, a coil 8 and a coil housing 10; the coil 8 is arranged on the coil In the casing 10, the static iron core 7 is fixed in the coil casi...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a direct action pilot-operated type electromagnetic valve and aims to solve the problems that an existing electromagnetic valve is of a direct action type or a pilot-operated type, and when the existing electromagnetic valve is used independently, certain limitation exists. The direct action pilot-operated type electromagnetic valve comprises a valve body, a valve clack, a valve rod, a valve cover, a movable iron core, a static iron core and a coil; the valve body is internally provided with an air feeding cavity, a balanced cavity and an air discharging cavity; the coil is arranged on the outer side of the movable iron core in a surrounding manner, and the movable iron core is slidably arranged on the valve cover and slides relative to the static iron core. The valve rod is fixed to the bottom of the movable iron core, the valve clack is arranged at the bottom of the valve rod, and a reset spring is arranged between the top of the valve clack and the bottom of the valve cover; the top of the valve clack is provided with a groove, the bottom of the valve rod is inserted into the groove, the bottom of the groove is provided with a pressure relief hole, and the groove is provided with a sealing spring which makes the bottom of the valve rod be sealed and abuts against the pressure relief hole. By means of the direct action pilot-operated type electromagnetic valve, two functions of a direct action valve and a pilot-operated valve can be achieved, valves with small opening diameters and big opening diameters can all work normally within the range of zero pressure to high pressure, and meanwhile valve opening has no requirement for the pressure difference.
Description
technical field [0001] The invention relates to a solenoid valve, in particular to a direct-acting pilot solenoid valve. Background technique [0002] The existing solenoid valves that are energized and opened generally adopt the direct-acting type, and the pilot-operated type is used for those with relatively high working pressure. [0003] The direct-acting solenoid valve has a compact structure and can be opened directly after being powered on, but the working pressure is relatively low and most of them are small-diameter valves. [0004] The pilot-operated type is not affected by the valve caliber and working pressure, and the opening function is realized by opening the flow channel step by step, but there must be a certain pressure difference between the inlet and outlet chambers of the valve and the action is slow, and there are also limitations in the use environment. Contents of the invention [0005] The invention provides a direct-acting pilot-operated solenoid ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/04F16K31/06
CPCF16K17/04F16K31/0655
Inventor 何原涛杜仁辉文刚李长有
Owner 成都特恩达燃气设备有限公司