CN110925475B - Guiding electromagnetic control valve without pressure difference - Google Patents
Guiding electromagnetic control valve without pressure difference Download PDFInfo
- Publication number
- CN110925475B CN110925475B CN201911224159.0A CN201911224159A CN110925475B CN 110925475 B CN110925475 B CN 110925475B CN 201911224159 A CN201911224159 A CN 201911224159A CN 110925475 B CN110925475 B CN 110925475B
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- control valve
- time
- spring
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
Abstract
The utility model provides a direction non-pressure difference solenoid electric valve, includes that valve body and valve body are last to set gradually valve plate group, decompression pad seat and adapter sleeve, and the lower extreme of adapter sleeve is connected with lower valve rod, and wherein lower valve rod passes decompression pad seat, valve plate group and valve body lower part isotructure along the vertical direction in proper order, can realize quick effectual locking and close, more makes things convenient for manual operation's effect.
Description
Technical Field
The invention relates to the field of electromagnetic control valves, in particular to a guide electromagnetic control valve without pressure difference.
Background
An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc. The electromagnetic valve is divided into: direct-acting, step-by-step direct-acting, pilot-operated. After the electric spring emergency cut-off valve is electrified, a coil spring in the motor electric actuator transmits torque force to the coil spring, and the coil spring releases the stored torque force to drive the valve to be quickly closed or opened when the power is off. The closing action of a conventional shut-off valve and the release of the stored torque force by the coil spring should be greater than the pressure in the pipe-normally influenced by the pressure in the pipe. The influence factors of the method are analyzed, and mainly generated by the pressure difference between the valve rod and the inside and the outside of the pipeline. It is common practice to increase the valve stem spring tension of a solenoid valve, but this approach can make manual opening difficult. The problem of difficult valve closing caused by increasing the pressure of a pipeline by increasing the tension of a valve rod spring is solved in the conventional scheme, the spring pressure can be increased infinitely in principle, however, the manual valve opening is difficult while the elastic force is increased, and even the development action is realized by means of a mechanical lever.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a guide electromagnetic control valve without pressure difference, which can realize that the pressure in a pipeline has no influence on the valve closing action in the valve closing process, the valve opening force is not influenced because the valve closing action of the valve does not need to increase the elastic force of a spring, and the micro-eccentric structure and the time control voltage driving mode can ensure the effect of more convenient manual operation under the condition of not influencing the function of the valve.
The invention provides a guide electromagnetic control valve without differential pressure, which comprises a valve body, and a valve disc group, a pressure reducing cushion seat and a connecting sleeve which are sequentially arranged on the valve body, wherein the lower end of the connecting sleeve is connected with a lower valve rod, and the lower valve rod sequentially penetrates through the pressure reducing cushion seat, the valve disc group and the lower part of the valve body along the vertical direction;
the upper end of the upper cover is provided with an explosion-proof shell assembly, and the non-magnetic tube is arranged in the explosion-proof shell assembly and connected with the upper end of the connecting sleeve; the valve rod assembly is arranged at the upper part of the non-magnetic tube and is connected with a movable iron core, and an upper valve rod is sleeved on the movable iron core;
the electromagnetic valve also comprises an upper valve rod component formed by a movable iron core, an upper spring, an electromagnetic head, a steel ball, a lower spring and an upper valve rod, and a lower valve rod component formed by a spring, a pilot spring and a lower valve rod; wherein, go up the valve rod and go up the valve rod diameter the same, lower valve rod subassembly adopts little eccentric structure.
In a preferred mode, the device further comprises a driver, the driver is used for controlling the positive voltage to control the corresponding valve rod assembly to move towards the locking direction within a first time, and the voltage is gradually reduced within a quarter of the first time length; then, the forward voltage control valve rod component which is the same as the forward voltage control valve rod component generated in the first time is controlled to move towards the locking direction in a second time, and the voltage is gradually reduced in a quarter of the second time; and then, controlling the forward voltage control valve rod component to move towards the locking direction in a third time, wherein the forward voltage control valve rod component is the same as the forward voltage control valve rod component in the first time, and gradually reducing the voltage in a quarter of the third time, and sequentially until the valve is closed.
In a preferred mode, the upper cover is provided with a screw hole corresponding to the upper part of the valve body, and the upper cover and the valve body are connected into a whole through an internal hexagonal bolt.
In a preferred mode, an O-shaped ring is arranged between the connecting position of the nonmagnetic pipe and the connecting sleeve.
In a preferred mode, the upper end of the upper valve rod is provided with a pull rod nut, and the upper end of the inner part of the explosion-proof shell assembly is provided with a positioning nut.
In a preferred mode, an O-shaped ring is arranged between the connecting position of the nonmagnetic pipe and the connecting sleeve.
In a preferred embodiment, the first time is 5 seconds.
Preferably, the lower stem assembly is offset from the central axis by a length of between 0.7mm and 1.3 mm.
The guiding non-pressure-difference electromagnetic control valve can realize the following steps:
1) the coil spring releases the stored torque force therein independent of the pressure in the conduit. The coaxiality of the structural design of the bidirectional conduction enables the torque of the coil spring not to be adjusted according to the pressure in the installation pipeline, and external force can be avoided in manual valve opening;
2) the diameters of the upper valve rod and the valve rod are the same, so that according to stress analysis, the internal pressure has no influence on the opening and closing of the valve disc, and the problem that the valve disc cannot be closed due to overlarge pressure is solved;
3) the micro-eccentric structure and the time control voltage driving mode can ensure the effect of more convenient manual operation under the condition of not influencing the function of the valve.
Drawings
FIG. 1 is a schematic structural diagram of a guiding non-pressure-difference electromagnetic control valve;
description of reference numerals: 1, a valve body; 2 a valve disc set; 3, a decompression cushion seat; 4, connecting sleeves; 5, covering the cover; 6, 7 inner hexagonal bolts; 8, 9, 23O-rings; 10 a nonmagnetic tube; 11, knocking the block; 12 a valve stem assembly; 13 an explosion proof housing assembly; 14 a draw rod nut; 15 positioning the nut; 16 pull rods; 17, a movable iron core; 18, a spring is arranged; 19 an electromagnetic head; 20 steel balls; 21 a lower spring; 22 a nameplate; 24, a spring seat; 25, sealing rings; 26 springs; 27 a pilot spring; 28, a hair guiding plate.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, the following examples of which are intended to be illustrative only and are not to be construed as limiting the scope of the invention.
The invention provides a guide non-differential-pressure electromagnetic control valve, which is structurally shown as figure 1, wherein figure 1 is a structural schematic diagram of the guide non-differential-pressure electromagnetic control valve. The mechanical structure of the guide non-pressure-difference electromagnetic control valve comprises a valve body 1; 2 a valve disc set; 3, a decompression cushion seat; 4, connecting sleeves; 5, covering the cover; 6, 7 inner hexagonal bolts; 8, 9, 23O-rings; 10 a nonmagnetic tube; 11, knocking the block; 12 a valve stem assembly; 13 an explosion proof housing assembly; 14 a draw rod nut; 15 positioning the nut; 16 lower valve stem; 17, a movable iron core; 18, a spring is arranged; 19 an electromagnetic head; 20 steel balls; 21 a lower spring; 22 a nameplate; 24, a spring seat; 25, sealing rings; 26 springs; 27 a pilot spring; 28 to guide the disc.
As will be described in detail below, the guiding non-pressure-difference electromagnetic control valve includes a valve body, a valve disc set, a pressure-reducing pad seat and a connecting sleeve are sequentially disposed on the valve body, and a lower end valve rod is connected to the lower end of the connecting sleeve, wherein the lower end valve rod sequentially penetrates through the pressure-reducing pad seat, the valve disc set and the lower portion of the valve body along a vertical direction. The upper cover is provided with a screw hole corresponding to the upper part of the valve body, and the upper cover and the valve body are connected into a whole through an inner hexagonal bolt. The upper end of the upper cover is provided with an explosion-proof shell assembly, the non-magnetic pipe is arranged in the explosion-proof shell assembly and connected with the upper end of the connecting sleeve, and an O-shaped ring is arranged between the connecting position of the non-magnetic pipe and the connecting sleeve. The valve rod assembly is arranged on the upper portion of the non-magnetic pipe and connected with a movable iron core, a pull rod is sleeved on the movable iron core, a pull rod nut is arranged at the upper end of the pull rod, and a positioning nut is arranged at the upper end of the inner portion of the explosion-proof shell component. The movable iron core, the upper spring, the electromagnetic head, the steel ball, the lower spring and the lower valve rod together form an upper valve rod assembly, and the spring, the pilot spring and the lower valve rod form a lower valve rod assembly. Wherein the diameters of the upper valve rod and the upper valve rod are the same, and the lower valve rod component adopts a micro-eccentric structure.
The guide non-pressure-difference electromagnetic control valve also comprises a driver, and the specific driver can realize that the forward electric control valve rod component is controlled to move towards the locking direction within the first time, and the voltage is gradually reduced within a quarter of the first time length, so that the speed of the valve rod component moving towards the locking direction is slowed down; then, the forward voltage control valve rod component which is the same as the forward voltage control valve rod component generated in the first time is controlled to move towards the locking direction in a second time, and the voltage is gradually reduced in a quarter of the second time, so that the speed of the valve rod component moving towards the locking direction is slowed down; and then controlling the forward voltage control valve rod component to move towards the locking direction in the third time, wherein the forward voltage control valve rod component generates the same forward voltage as the forward voltage control valve rod component in the first time, and the forward voltage control valve rod component gradually reduces the voltage, the speed of the forward voltage control valve rod component moving towards the locking direction is reduced in the third time length of one fourth, and the like, so that the valve is guided to be closed. The invention is an important idea of the invention, the locking department of the valve is more compact by controlling the movement speed of the locking direction, and the valve can be opened more easily compared with the existing locking mode, and the defects of leakage and the like can not occur. Thus, there is still a difference between manual and electrical control, in this way the valve can be opened more easily when operated manually. In addition, because the characteristics of solenoid valve, realization electromagnetism's that can be accurate control, through the change of the application of voltage, can progressively lock the valve rod subassembly to it needs to explain, the locking of this kind of mode is more smooth-going, can not destroy inner structure, thereby can not lead to appearing leaking, the emergence of the condition such as variant lock is died, and during electromagnetic control, the reduction of voltage is equivalent to the operation of "going back", and "impel" more smoothly like this, also become "withdraw from" smoothly, be favorable to manual operation more.
In addition, the lower valve rod assembly adopts a micro-eccentric structure, which is also an important concept of the invention. For manual operation, the existing concentric structure requires sufficient effort for manual operation. The eccentric structure can generate vibration in the rotating process, and by utilizing the principle, people can save more labor during operation, the eccentric structure is a coaxial design mode in the prior art, and the scheme that the eccentric structure is applied to the electromagnetic valve to facilitate manual operation is not provided. The invention adopts a micro-eccentric structure, namely the length of the lower valve rod assembly deviating from the central shaft is between 0.7mm and 1.3mm, and the range can not influence the function of the valve through practical operation discovery, and can also ensure that effective vibration is generated and not excessive vibration. The micro-eccentric structure is combined with the time control propelling mode, and the micro-eccentric structure is also utilized to generate micro-vibration in the locking process by combining the micro-eccentric structure and the time control propelling mode, so that the effect of more convenient manual operation is ensured under the condition of not influencing the function of the valve.
Although exemplary embodiments of the present invention have been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions, substitutions and the like can be made in form and detail without departing from the scope and spirit of the invention as disclosed in the accompanying claims, all of which are intended to fall within the scope of the claims, and that various steps in the various sections and methods of the claimed product can be combined together in any combination. Therefore, the description of the embodiments disclosed in the present invention is not intended to limit the scope of the present invention, but to describe the present invention. Accordingly, the scope of the present invention is not limited by the above embodiments, but is defined by the claims or their equivalents.
Claims (6)
1. The utility model provides a direction does not have poor solenoid electric valve which characterized in that: the valve comprises a valve body, and a valve disc group, a pressure reducing pad seat and a connecting sleeve are sequentially arranged on the valve body, the lower end of the connecting sleeve is connected with a lower valve rod, and the lower valve rod sequentially penetrates through the pressure reducing pad seat, the valve disc group and the lower part of the valve body along the vertical direction;
the upper end of the upper cover is provided with an explosion-proof shell assembly, and the non-magnetic tube is arranged in the explosion-proof shell assembly and connected with the upper end of the connecting sleeve; the valve rod assembly is arranged at the upper part of the non-magnetic tube and is connected with a movable iron core, and an upper valve rod is sleeved on the movable iron core;
the electromagnetic valve also comprises an upper valve rod component formed by a movable iron core, an upper spring, an electromagnetic head, a steel ball, a lower spring and an upper valve rod, and a lower valve rod component formed by a spring, a pilot spring and a lower valve rod; the diameters of the upper valve rod and the lower valve rod are the same, and the lower valve rod assembly adopts a micro-eccentric structure;
the length of the lower valve rod assembly deviated from the central shaft is between 0.7mm and 1.3 mm.
2. The solenoid control valve of claim 1, wherein: the device also comprises a driver, a control module and a control module, wherein the driver is used for controlling the generation of positive voltage in a first time to control the corresponding valve rod assembly to move towards the locking direction, and the voltage is gradually reduced in a quarter of the first time length; then, the forward voltage control valve rod component which is the same as the forward voltage control valve rod component generated in the first time is controlled to move towards the locking direction in a second time, and the voltage is gradually reduced in a quarter of the second time; and then, controlling the forward voltage control valve rod component to move towards the locking direction in a third time, wherein the forward voltage control valve rod component is the same as the forward voltage control valve rod component in the first time, and gradually reducing the voltage in a quarter of the third time, and sequentially until the valve is closed.
3. The solenoid control valve of claim 2, wherein: the upper cover is provided with a screw hole corresponding to the upper part of the valve body, and the upper cover and the valve body are connected into a whole through an inner hexagonal bolt.
4. The solenoid control valve of claim 3, wherein: an O-shaped ring is arranged between the connecting part of the non-magnetic pipe and the connecting sleeve.
5. The solenoid control valve of claim 4, wherein: and the upper end of the upper valve rod is provided with a pull rod nut, and the upper end in the explosion-proof shell component is provided with a positioning nut.
6. The solenoid control valve of claim 5, wherein: the first time is 5 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911224159.0A CN110925475B (en) | 2019-12-04 | 2019-12-04 | Guiding electromagnetic control valve without pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911224159.0A CN110925475B (en) | 2019-12-04 | 2019-12-04 | Guiding electromagnetic control valve without pressure difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110925475A CN110925475A (en) | 2020-03-27 |
| CN110925475B true CN110925475B (en) | 2021-08-17 |
Family
ID=69857610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911224159.0A Active CN110925475B (en) | 2019-12-04 | 2019-12-04 | Guiding electromagnetic control valve without pressure difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110925475B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262498B1 (en) * | 1997-03-24 | 2001-07-17 | Heinz Leiber | Electromagnetic drive mechanism |
| CN102865373A (en) * | 2012-09-27 | 2013-01-09 | 济南市大秦机电设备有限公司 | Normally closed type guide type gas anti-explosion valve |
| CN102878343A (en) * | 2012-09-27 | 2013-01-16 | 济南市大秦机电设备有限公司 | Normally-open emergency cut-off valve for gas |
| CN205479455U (en) * | 2016-04-06 | 2016-08-17 | 丹佛斯（天津）有限公司 | But bidirectional operation's ball valve |
| CN209213063U (en) * | 2018-12-25 | 2019-08-06 | 成都中科智成科技有限责任公司 | A kind of novel orbit ball valve without the driving of frictional micro machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564816Y (en) * | 2002-08-23 | 2003-08-06 | 杨鸣 | Handy-to-open ball valve for controlling high-flow gas |
| CN2624008Y (en) * | 2003-06-09 | 2004-07-07 | 林纪仁 | Pneumatic control valve |
| JP5698938B2 (en) * | 2010-08-31 | 2015-04-08 | 日立オートモティブシステムズ株式会社 | Drive device for fuel injection device and fuel injection system |
| KR101189971B1 (en) * | 2010-11-25 | 2012-10-12 | 주식회사 경동나비엔 | A valve driver of stroke variable type |
| GB201207289D0 (en) * | 2011-06-14 | 2012-06-06 | Sentec Ltd | Flux switch actuator |
-
2019
- 2019-12-04 CN CN201911224159.0A patent/CN110925475B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262498B1 (en) * | 1997-03-24 | 2001-07-17 | Heinz Leiber | Electromagnetic drive mechanism |
| CN102865373A (en) * | 2012-09-27 | 2013-01-09 | 济南市大秦机电设备有限公司 | Normally closed type guide type gas anti-explosion valve |
| CN102878343A (en) * | 2012-09-27 | 2013-01-16 | 济南市大秦机电设备有限公司 | Normally-open emergency cut-off valve for gas |
| CN205479455U (en) * | 2016-04-06 | 2016-08-17 | 丹佛斯（天津）有限公司 | But bidirectional operation's ball valve |
| CN209213063U (en) * | 2018-12-25 | 2019-08-06 | 成都中科智成科技有限责任公司 | A kind of novel orbit ball valve without the driving of frictional micro machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110925475A (en) | 2020-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2930404A (en) | Three-way poppet-valve construction for plug-type valve | |
| US5497672A (en) | Valve actuator | |
| US3807441A (en) | Electrically operated valves for delivering fluid under pressure | |
| US5474107A (en) | Fail-open solenoid actuated valve | |
| US2296132A (en) | Magnetic check and release valve | |
| US2515029A (en) | Valve | |
| US20130313453A1 (en) | Solenoid Valve | |
| CN202134306U (en) | Proportion electromagnet | |
| CN110925475B (en) | Guiding electromagnetic control valve without pressure difference | |
| CN210344334U (en) | Electromagnetic valve | |
| CN108869429A (en) | A method of control one-directional fluid flow | |
| US3447776A (en) | Plural magnet operated poppet valve | |
| CN217977650U (en) | High-precision direct-drive proportional overflow valve | |
| US20170089484A1 (en) | Coaxially designed, pressure-compensated, directly controlled valve with low pressure losses | |
| US6225713B1 (en) | Electromagnetic force motor and method of manufacturing the same | |
| CN106989197B (en) | Pilot valve body structure and pilot electromagnetic pneumatic valve | |
| CN210770417U (en) | Two-position three-way electromagnetic directional valve | |
| EP3184867A1 (en) | Coaxial, pressure-equalised, directly controlled valve with cascade drive | |
| CN107191661B (en) | Stop valve | |
| CN108758013B (en) | A kind of two-way electromagnetic valve | |
| USRE25338E (en) | Pressure-operated valve with magnetically actuated pilot | |
| CN220016262U (en) | Two-position five-way electromagnetic valve | |
| CN113931886B (en) | Low-energy-consumption high-pollution-resistance ultra-high frequency response digital hydraulic servo control system and control method | |
| CN220646874U (en) | Two-position three-way valve | |
| CN218935454U (en) | Remote control pilot-operated stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |