CN211820784U - Electromagnetic valve capable of being opened and closed instantly and electrically - Google Patents
Electromagnetic valve capable of being opened and closed instantly and electrically Download PDFInfo
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- CN211820784U CN211820784U CN202020302142.4U CN202020302142U CN211820784U CN 211820784 U CN211820784 U CN 211820784U CN 202020302142 U CN202020302142 U CN 202020302142U CN 211820784 U CN211820784 U CN 211820784U
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Abstract
The utility model discloses a solenoid valve of electric control switching in twinkling of an eye, include self-sustaining device and self-switching device with valve body fixed connection, through the switch control coil circular telegram, can attract the permanent magnet through the coil promptly, or exclude the permanent magnet and let the permanent magnet adsorb the iron core, drive self-switching device through the upper and lower activity of permanent magnet, realize that the positive negative pole of coil circular telegram switches, the utility model is simple in operation, through setting up self-sustaining device and self-switching device, can switch on in the twinkling of an eye and realize the concrete action of solenoid valve, practice thrift electric power resource, avoid long-term circular telegram to lead to the coil ageing, overheated class emergence electric power accident simultaneously, also prolonged the life.
Description
Technical Field
The utility model relates to an electrician's technical field relates to the solenoid valve, and it relates to one kind more specifically and has the electromagnetic valve that the electric control opening control of instant was closed.
Background
The prior art method of the electromagnetic valve is that the electromagnetic valve is opened when power is on and closed when power is off. Some solenoid valves are characterized in that a valve core is quickly sucked up by an electrified starting coil, a travel switch is actuated by a collision rod on the valve core, and the valve is kept in an open state by keeping the coil at a small current. After the power failure, the valve core returns to the closing position of the valve under the action of the dead weight. The disadvantages are that: the solenoid valve needs to be electrified for a long time to keep the open state of the valve, and electric energy is consumed. The coil is easily burnt when energized for a long period of time at a high temperature. Particularly, after the electromagnetic valve is powered off, the valve core of the electromagnetic valve is closed under the action of gravity, so that the valve is required to be high in installation precision, vibration cannot occur after the valve is installed, and internal leakage is generated to influence the sealing performance and the closing reliability of the electromagnetic valve.
At present, the publication time is: 2003-09-17, publication numbers are: CN2573813Y, utility model name is: the patent of 'instant power-on opening and closing self-holding electromagnetic valve' provides a self-holding device based on the existing electromagnetic valve, wherein a permanent magnet is used as a main self-holding component, and positive and reverse direct currents are instantly supplied to a starting coil to form an excitation valve core to move so as to realize the opening and closing of the valve. However, the implementation structure of this application is very complicated, and it is more easy to cause a failure to set up the dual circuit power supply, and it is very inconvenient to install the wiring simultaneously.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model discloses a solenoid valve of electric control switching in transients, the self-sustaining device and the switching mechanism automatic switch-over solenoid positive negative pole of setting, better realization electric control switching in transients solenoid valve.
In order to achieve the above object, the utility model provides an electromagnetic valve of electric control switching in the twinkling of an eye which following technical scheme, its characterized in that: comprises a self-holding device and a self-switching device which are fixedly connected with a valve body;
the self-holding device comprises a valve cavity, an iron core at the bottom of the valve cavity, a coil at the top of the valve cavity, a permanent magnet and a valve rod, wherein the permanent magnet and the valve rod are positioned between the coil and the iron core and fixedly connected with the valve rod;
the self-switching device comprises two pairs of electrode contacts with opposite positive and negative electrodes and an armature fixedly connected with the top end of the valve rod, and the armature is connected with the coil power supply access end.
In a further configuration of the above aspect, the valve stem is preferably made of stainless steel, and the valve stem core is provided with a ceramic coating.
As a further arrangement of the scheme, a buffer pad used for buffering the instant adsorption force of the coil and the permanent magnet is arranged at the top end of the valve rod.
As a further arrangement of the above aspect, the attracting force generated by the coil is larger than the magnetic force of the permanent magnet attracting the iron core.
As a further configuration of the above solution, the switch of the electromagnetic valve is a self-resetting switch.
As a further arrangement of the above scheme, the electromagnetic valve further comprises a plurality of O-ring seals.
Adopt foretell setting, the utility model discloses an electromagnetic valve only needs to insert external power source according to normal mode when using, can attract the permanent magnet through the coil promptly, or excludes the permanent magnet and let the permanent magnet adsorb the iron core, relies on the upper and lower activity of permanent magnet to drive auto-switching device, realizes that the positive negative pole of coil circular telegram switches.
Compared with the prior art, the utility model, following outstanding advantage has:
1. through the self-holding device, the electromagnetic valve can be electrified instantly to realize the specific function of the electromagnetic valve, so that the power resource is saved, the power accidents such as aging and overheating of the coil caused by long-term electrification are avoided, and the service life of the coil of the electromagnetic valve is prolonged;
2. set up auto-change over device, compare current solenoid valve, the utility model discloses a solenoid valve is more durable, through a control end, like reset switch, can control solenoid valve's switching, easy operation compares in the current circuit that sets up the different electrode directions of dual circuit input, breaks down easily, this scheme utilizes mechanical structure simple's solution problem.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a valve body; 2. a self-holding device; 3. a self-switching device; 4. a valve cavity; 5. an iron core; 6. A coil; 7. a permanent magnet; 8. a valve stem; 9. a piston; 10. inputting a power supply; 11. an armature; 14. a valve cover; 15 valve cylinders; 16. a liquid inlet; 17. and a liquid outlet.
Detailed Description
The following detailed description describes embodiments of the invention, examples of which are intended to explain the invention, and the terms "upper", "lower", "top", "bottom", and the like in the embodiments indicate positional or orientational relationships and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components or elements so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
As shown in fig. 1, the utility model provides an electromagnetic valve for instantaneous control of opening and closing, which is characterized in that: comprises a self-holding device 2 fixedly connected with a valve body 1 and a self-switching device 3;
the self-holding device 2 comprises a valve cavity 4, an iron core 5 at the bottom of the valve cavity 4, a coil 6 at the top of the valve cavity 4, a permanent magnet 7 positioned between the coil 6 and the iron core 5 and fixedly connected with a valve rod 8, and the valve rod 8 sequentially penetrates through the coil 6, the permanent magnet 7, the iron core 5 and the valve body 1 from top to bottom, and a piston 9 for plugging a medium channel in the valve body 1 is arranged at the bottom of the valve rod 8;
the self-switching device 3 comprises two pairs of electrode contacts with opposite positive and negative electrodes and an armature 11 fixedly connected with the top end of the valve rod 8, and the armature 11 is connected with a power supply access end of the coil 6.
As a further arrangement of the above solution, the valve rod 8 is preferably made of stainless steel, and the valve rod core is provided with a ceramic coating.
As a further arrangement of the above arrangement, a cushion pad for buffering the instant adsorption force between the coil 6 and the permanent magnet 7 is provided at the tip of the valve rod 8.
As a further arrangement of the above, the attracting force of the coil 6 is larger than the magnetic force of the permanent magnet 7 attracting the core 5.
As a further configuration of the above solution, the switch of the electromagnetic valve is a self-resetting switch.
As a further arrangement of the above scheme, the electromagnetic valve further comprises a plurality of O-ring seals.
The utility model discloses a solenoid valve when using, only need insert external power source according to normal mode, can attract the permanent magnet through the coil promptly, or exclude the permanent magnet and let the permanent magnet adsorb the iron core, rely on the upper and lower activity of permanent magnet to drive from switching apparatus, realize that the positive negative pole of coil circular telegram switches, and the user only need press from the switch that resets switch can realize the solenoid valve.
The above description should not be taken as limiting the invention, but is made merely for the purpose of assisting in the explanation of the invention. The preferred embodiments are not intended to describe in detail the embodiments of the invention, nor to limit the invention to the specific embodiments described, and any modifications, equivalents, improvements and the like that are within the spirit of the invention are intended to be included within the scope of the invention. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (6)
1. An electromagnetic valve capable of being opened and closed instantly under control of electric control, characterized in that: comprises a self-holding device (2) fixedly connected with a valve body (1) and a self-switching device (3);
the self-holding device (2) comprises a valve cavity (4), an iron core (5) at the bottom of the valve cavity (4), a coil (6) at the top of the valve cavity (4), a permanent magnet (7) positioned between the coil (6) and the iron core (5) and fixedly connected with a valve rod (8), and the valve rod (8) sequentially penetrates through the coil (6), the permanent magnet (7), the iron core (5) and the valve body (1) from top to bottom, and a piston (9) used for plugging a medium channel in the valve body (1) is arranged at the bottom of the valve rod (8);
the self-switching device (3) comprises two pairs of electrode contacts with opposite positive and negative electrodes and an armature (11) fixedly connected with the top end of the valve rod (8), and the armature (11) is connected with a power supply access end of the coil (6).
2. An instant electrically controlled on-off solenoid valve according to claim 1, characterized in that the valve stem (8) is preferably stainless steel and the stem core is provided with a ceramic coating.
3. An electromagnetic valve for instantaneous electric control on/off according to claim 1, characterized in that the top of the valve stem (8) is provided with a cushion pad for buffering the instantaneous attraction of the coil (6) and the permanent magnet (7).
4. An electromagnetic valve for instantaneous electric control of opening and closing according to claim 1, characterized in that the attraction force generated by said coil (6) is greater than the magnetic force of the permanent magnet (7) attracting the iron core (5).
5. The electromagnetic valve for instantaneous electric control on-off according to claim 1, wherein the switch of the electromagnetic valve is a self-resetting switch.
6. The instant electrically controlled on/off solenoid valve as claimed in claim 1, further comprising O-rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302142.4U CN211820784U (en) | 2020-03-12 | 2020-03-12 | Electromagnetic valve capable of being opened and closed instantly and electrically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302142.4U CN211820784U (en) | 2020-03-12 | 2020-03-12 | Electromagnetic valve capable of being opened and closed instantly and electrically |
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| Publication Number | Publication Date |
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| CN211820784U true CN211820784U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020302142.4U Active CN211820784U (en) | 2020-03-12 | 2020-03-12 | Electromagnetic valve capable of being opened and closed instantly and electrically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811155A (en) * | 2021-12-20 | 2022-07-29 | 浙江宏昌电器科技股份有限公司 | Electromagnetic valve |
-
2020
- 2020-03-12 CN CN202020302142.4U patent/CN211820784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811155A (en) * | 2021-12-20 | 2022-07-29 | 浙江宏昌电器科技股份有限公司 | Electromagnetic valve |
| CN114811155B (en) * | 2021-12-20 | 2023-12-01 | 浙江宏昌电器科技股份有限公司 | Electromagnetic valve |
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