CN108825801B - Liquid-passing electromagnetic valve - Google Patents
Liquid-passing electromagnetic valve Download PDFInfo
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- CN108825801B CN108825801B CN201811008453.3A CN201811008453A CN108825801B CN 108825801 B CN108825801 B CN 108825801B CN 201811008453 A CN201811008453 A CN 201811008453A CN 108825801 B CN108825801 B CN 108825801B
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- ejector
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- sealing
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- 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
- F16K31/0655—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a liquid-passing electromagnetic valve which comprises a valve shell, an electromagnetic coil, a first ejector, a valve body, a second ejector and a sealing plug, wherein the valve shell is arranged on the valve body; the valve shell is a hollow member with openings at the upper end and the lower end, and the first ejection piece is provided with a liquid passing channel and is movably arranged in the valve shell; the electromagnetic coil is arranged at the outer Zhou Zhongshang part of the valve casing; the valve body is a hollow member with an opening at the lower end, a liquid passing gap is formed in the valve body, a liquid passing channel and a sealing butt joint end are arranged in the valve body, and the second ejector is provided with the liquid passing gap and the liquid passing channel; the second ejector and the sealing plug are movably arranged in the valve body, and the second ejector is fixedly connected with the sealing plug or the second ejector is fixedly connected with the first ejector; the valve body is connected with the valve shell in a sealing way; when the electromagnetic coil is not electrified, the sealing plug seals the liquid passage of the valve body; when the electromagnetic coil is electrified, each liquid passing gap and the liquid passing channel form a liquid outlet channel in use. The invention has the advantages of simple structure, low cost, safe and convenient use and control, environmental protection and energy saving.
Description
Technical Field
The invention relates to the field of electromagnetic valves for controlling on-off of liquid, in particular to a liquid-passing electromagnetic valve for a tea device.
Background
In recent years, along with the continuous improvement of the living standard of people, the requirements on tea making are also increasingly improved, various kungfu tea sets are widely applied, and the tea making has a trend towards the automation at present. The automatic or semi-automatic tea making device is not separated from the electromagnetic valve which is one of important components. Electromagnetic valves for on-off control of fluids (including liquids) are common and their principles of operation are well established. For example, chinese patent document publication No. CN102679020a discloses an electromagnetic fluid control valve; for example, chinese patent document with publication number CN106195405a discloses a solenoid valve for liquid, which is generally used in industry, and has complex structure and high cost, and cannot be effectively applied to tea water devices. To this current situation, in order to solve the problem of on-off control of tea in automatic tea set, a mechanism similar to an electromagnetic valve has been studied, for example, chinese patent document with the authority publication number of CN206342271U discloses an electromagnetic full-automatic tea set, the control of water outlet of which adopts steel balls arranged in a water outlet cavity to be matched with an electromagnetic iron arranged on a tea seat, the magnetic force generated by the electricity obtained by the electromagnet attracts the steel balls to move upwards to open the water outlet cavity to drain water, when the electromagnet loses electricity, the steel balls return to block the water outlet of the water outlet cavity again, and the structure is relatively simple, and the defects of the structure are that: firstly, energy consumption is compared in the use process; secondly, after the electromagnet is powered off, the steel ball in water resets and seals the liquid outlet not fast and timely, water receiving and overflowing are easy to occur, and when the water receiving is boiled water, scalding is also easy to occur to a user.
Disclosure of Invention
The purpose of the invention is that: aiming at the problems in the prior art, the liquid-passing electromagnetic valve is simple in structure, low in cost, safe and convenient to use and control, environment-friendly and energy-saving.
The technical scheme of the invention is as follows: the liquid-passing electromagnetic valve is structurally characterized in that: the valve comprises a valve shell, an electromagnetic coil, a first ejector, a valve body, a second ejector and a sealing plug; the valve casing is a hollow member with openings at the upper end and the lower end, a liquid passing channel is formed in the hollow part at the lower part of the valve casing, and a liquid outlet is formed in the opening at the lower end of the valve casing; the first ejector is a component provided with an upward-downward liquid passing channel; the first ejector is movably arranged in the valve casing; the electromagnetic coil is arranged at the outer Zhou Zhongshang part of the valve casing; the valve body is a hollow member with a liquid passing gap at the upper part and an opening at the lower end, and a sealed butt joint end and a liquid passing channel are arranged in the valve body; the second ejector is a component provided with a liquid through gap and a liquid passing channel; the second ejector is movably arranged in the valve body, the sealing plug is a member with the size and shape matched with the sealing butt end of the valve body, and the sealing plug is movably arranged in the valve body in a matched manner with the sealing butt end of the valve body; the upper end of the second ejector piece is integrally connected or fixedly connected with the sealing plug, or the lower end of the second ejector piece is integrally connected or fixedly connected with the upper end of the first ejector piece; when in use, the valve body is connected with the upper part of the valve shell in a sealing way by the lower part of the valve body;
when the electromagnetic coil is not electrified, the sealing plug is buckled on the sealing butt joint end of the valve body so that the liquid-passing electromagnetic valve is not in liquid-passing; when the electromagnetic coil is electrified, the first ejector piece is driven to move upwards to drive the second ejector piece and the sealing plug to move upwards, so that a liquid passing gap is formed between the sealing plug and the sealing butt joint end of the valve body; the liquid outlet channel is formed by the liquid passing gap and the liquid passing channel of the valve body, the liquid passing gap between the sealing plug and the sealing butt joint end of the valve body, the liquid passing gap and the liquid passing channel of the second ejector, the liquid passing channel of the first ejector and the liquid passing channel and the liquid outlet of the valve shell when the liquid passing electromagnetic valve is used.
The further scheme is as follows: the valve casing comprises a hollow casing with openings at the upper end and the lower end, a push piece supporting seat which is arranged in the middle and lower part of the casing and is integrated with or fixedly connected with the casing, and a guide limit protrusion which is arranged in the middle and upper part of the casing and is integrated with or fixedly connected with the casing; when the valve is in a liquid-tight state, the lower end of the first ejector is abutted against the upper end of the ejector supporting seat of the valve casing.
The further scheme is as follows: the valve body comprises a main body part and a connecting guide part; the main body part is a hollow member with an opening at the lower end, the connecting guide part is a hollow member with an opening at the upper end and the lower end, the connecting guide part is arranged below the main body part and is integrated with or fixedly connected with the main body part, and the hollow part of the connecting guide part is communicated with the hollow part of the main body part; the upper end surface of the periphery of the opening of the main body part forms a sealing butt joint end of the valve body; the liquid through gap of the valve body is arranged on the main body part; the hollow part of the main body part or the hollow part of the main body part and the upper part of the hollow part of the connecting guide part together form a liquid passing channel of the valve body; the liquid passing gap of the valve body is communicated with the liquid passing channel of the valve body.
The further scheme is as follows: the sealing plug is a sphere.
The further scheme is as follows: the sealing plug comprises a sealing part and a limiting guide part, wherein the limiting guide part is arranged on the upper end face of the sealing part and is integrally or fixedly connected with the sealing part.
The further scheme is as follows: the first ejector comprises a body and an abutting part which is arranged on the periphery of the lower end of the body and is integrally connected or fixedly connected with the body; or the first ejector comprises a body, an abutting part arranged at the periphery of the lower end of the body and integrally connected or fixedly connected with the body, and a guiding and limiting part arranged at the periphery of the body and integrally or fixedly connected with the outer upper end surface of the abutting part by the lower end of the body; the body is a hollow component with openings at the upper end and the lower end, and the hollow part of the body forms a liquid passing channel of the first ejector.
The further scheme is as follows: the liquid through electromagnetic valve further comprises a first ejector return spring which is arranged in the valve shell and used for assisting the first ejector to return.
The further scheme is as follows: the liquid-passing electromagnetic valve further comprises a plug reset spring which is arranged in the valve body and used for assisting the reset of the sealing plug.
The further scheme is as follows: the liquid-passing electromagnetic valve further comprises a first sealing ring, wherein the first sealing ring is fixedly arranged on the sealing butt joint end of the valve body or fixedly arranged on the sealing plug and is positioned at the joint of the sealing plug and the sealing butt joint end of the valve body when the liquid-passing electromagnetic valve is in a liquid-non-passing state.
The further scheme is as follows: the liquid-passing electromagnetic valve further comprises a second sealing ring; the second sealing ring is embedded and fixedly arranged on the lower peripheral wall of the valve body or the upper inner wall of the valve shell.
The further scheme is as follows: the valve shell, the first ejector, the valve body, the second ejector and the sealing plug are all provided with an anti-scaling layer on the surface contacted with liquid when in use.
Further schemes are as follows: the valve body, the second ejector and the sealing plug are arranged in the valve body, the valve shell and the first ejector arranged in the valve shell can be respectively arranged on different matched components when in use, the lower part of the valve body is in sealing connection with the upper part of the valve shell when in use, and the second ejector is only fixedly connected with the sealing plug.
The invention has the positive effects that: (1) The liquid-passing electromagnetic valve is convenient, accurate and rapid in water-passing and water-stopping conversion during use by the design of the integral structure, and is easy to realize automatic control. (2) The liquid-passing electromagnetic valve has the advantages of simple structure, low cost and safe and convenient use and control. (3) According to the liquid-passing electromagnetic valve, the anti-scaling layers are arranged on the relevant water-contacting components, so that on one hand, the water (tea) quality can be improved, and meanwhile, the service life of the liquid-passing electromagnetic valve is prolonged.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of a preferred construction of the valve housing of FIG. 1;
FIG. 3 is a schematic view of a preferred construction of the first ejector of FIG. 1;
FIG. 4 is a schematic view of a preferred construction of the valve body of FIG. 1;
FIG. 5 is a schematic view of a preferred perspective view of the second ejector and seal plug of FIG. 1;
FIG. 6 is a schematic diagram of a second embodiment of the present invention;
FIG. 7 is a schematic view of a third embodiment of the present invention;
FIG. 8 is a schematic diagram of a fourth embodiment of the present invention;
fig. 9 is a schematic structural diagram of a fifth embodiment of the present invention.
The reference numerals in the above figures are as follows:
the valve comprises a valve shell 1, a shell 11, a push piece supporting seat 12, a guide limit protrusion 13, a first liquid passing channel 14 and a liquid outlet 15; the first ejector 2, the body 21, the abutting part 22, the second liquid passing channel 23 and the guiding limiting part 24; an electromagnetic coil 3; the valve body 4, the main body 41, the first liquid passing gap 41-1, the sealing butt end 41-2, the connecting guide part 42 and the third liquid passing channel 43; a second ejector 5, a second liquid passage space 51, and a fourth liquid passage 52; a sealing plug 6, a sealing part 61 and a limit guide part 62; the spring comprises a first ejector return spring 7, a plug return spring 8, a spring limiting piece 81, a sealing ring 9, a first sealing ring 91 and a second sealing ring 92.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1, the hydraulic solenoid valve of the present embodiment mainly comprises a valve housing 1, a first ejector 2, a solenoid 3, a valve body 4, a second ejector 5, and a sealing plug 6.
Referring to fig. 2, the valve housing 1 is a hollow integral part with openings at the upper and lower ends, and the valve housing 1 is made of a non-ferromagnetic material, such as ceramic, copper, or stainless steel, and in this embodiment, a ceramic material is preferably used. The valve casing 1 is integrally formed by a casing 11, a push piece supporting seat 12 and a guide limit protrusion 13; the ejector supporting seat 12 is arranged at the middle lower part in the shell 11; the guide limit protrusion 13 is arranged above the middle in the shell 11; the valve housing 1 is thus divided by the ejector support seat 12 and the guide limit projection 13 into a valve body connecting part located above, a first ejector mounting part located in the middle and a liquid outlet part located below. The hollow part of the middle lower part of the valve housing 1 forms a first liquid passing channel 14, and the lower end opening of the valve housing 1 forms a liquid outlet 15. In this embodiment, the valve body connecting portion and the first ejector mounting portion of the valve housing 1 preferably adopt hollow cylinders with the same outer diameter and the same axial lead, and the liquid outlet portion of the valve housing 1 preferably adopts a hollow inverted cone (i.e. the outer diameter of the upper end is larger than the outer diameter of the lower end) with the same axial lead as the valve body connecting portion and the ejector mounting portion, so as to facilitate closing in and liquid outlet; accordingly, the ejector supporting seat 12 and the guide limit projection 13 are preferably annular bodies. Preferably, the valve housing 1 is provided with a layer of anti-scaling material on the surface of the part which can be in contact with the liquid when in use, the layer of anti-scaling material being formed from Polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PEP) or soluble polytetrafluoroethylene (PEP), preferably polytetrafluoroethylene.
Referring to fig. 3, the first ejector 2 is a member provided with an upward-downward liquid passage; in this embodiment, the first ejector 2 is preferably a hollow integral member with two open ends, and the first ejector 2 is integrally formed by a body 21 and an abutment portion 22 provided on the periphery of the lower end of the body 21; the body 21 is a hollow member, and the hollow part of the body 21 forms a second liquid passing channel 23 of the first ejector 2; the material of the first ejector 2 is a ferromagnetic material as a whole, or the material of the first ejector 2 is a non-ferromagnetic material locally (e.g., upper portion), and a ferromagnetic material locally (e.g., lower portion). In this embodiment, the body 21 is preferably a hollow cylinder, and the abutment 22 is preferably a torus. Preferably, the surface of the portion where the first ejector member 2 can be in contact with the liquid when in use is provided with an anti-scaling material layer, which may be made of Polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PEP) or soluble polytetrafluoroethylene (PEP), preferably polytetrafluoroethylene.
Still referring to fig. 1, the first ejector 2 is movably disposed in the ejector mounting portion of the valve housing 1, and when no liquid is flowing, the lower end surface of the abutment portion 22 of the first ejector 2 abuts against the upper end surface of the ejector supporting seat 12 of the valve housing 1.
The electromagnetic coil 3 is arranged on the periphery of the position where the ejector mounting part of the valve casing 1 is positioned, namely the middle upper position of the valve casing 1, and the position of the electromagnetic coil 3 is slightly above when the electromagnetic coil 3 is stationary relative to the first ejector 2; the electromagnetic coil 3 is an electromagnetic coil with an iron core; the electromagnetic force generated when the electromagnetic coil 3 is electrified acts on the first ejector piece 2, so that the first ejector piece 2 moves upwards, and the first ejector piece 2 resets under the action of self gravity and upper pressure when the electromagnetic coil 3 is powered off.
Referring to fig. 4, the valve body 4 is a member provided with a liquid passing gap, an up-down liquid passing channel and a sealing butt end; in this embodiment, the valve body 4 is composed of a main body 41 and a connection guide 42, the main body 41 is a hollow member with an opening at the lower end, and a first liquid-passing gap 41-1 is provided in the main body 41; the hollow part of the main body 41 forms a third liquid passage 43, and in this embodiment, the liquid passage of the valve body 4 is formed by the hollow part of the main body 41, that is, the third liquid passage 43; the connection guide 42 is a hollow member having openings at both upper and lower ends, the connection guide 42 is connected to the lower end of the main body 41 from the upper end thereof, and the hollow portion of the connection guide 42 is communicated with the hollow portion of the main body 41, that is, the third liquid passage 43. In this embodiment, the main body 41 is preferably composed of an upper plate, a lower plate and a wall plate disposed between and integrally connected to the upper plate and the lower plate, the lower plate is a plate body with an opening in the middle, so that a hollow member with an opening at the lower end is formed by the upper plate, the lower plate and the wall plate, and a hollow portion surrounded by the hollow member forms the third liquid passing channel 43; the upper plate and/or the wall plate are respectively provided with more than 1 through holes, and the upper end of the lower plate is used as a first liquid passing gap 41-1 to form a sealing butt joint end 41-2 of the valve body 4. The size of the opening at the upper end of the connection guide portion 42 is the same as the size of the opening of the lower plate of the main body portion 41; the connection guide 42 is integrally or fixedly connected with the lower end surface of the lower plate of the main body 41 by its upper end surface. Preferably, the overall shape of the main body 41 in this embodiment is preferably cylindrical, the connection guide 42 is preferably a hollow cylinder, the connection guide 42 is further preferably a hollow cylinder at the middle and upper parts of the connection guide 42, and the lower part of the connection guide 42 is a hollow inverted truncated cone, so as to be in sealing connection with the valve housing 1 in an inserting manner during installation and use. Preferably, the surface of the valve body 4, which can be in contact with the liquid in use, is provided with an anti-scaling material layer, which may be made of Polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PEP) or soluble polytetrafluoroethylene (PEP), preferably polytetrafluoroethylene.
Referring to fig. 5, the second ejector 5 is a hollow member made of a non-ferromagnetic material and having openings at both ends, a second liquid passing gap 51 is provided at the upper part of the second ejector 5, and a fourth liquid passing channel 52 is formed at the hollow part of the second ejector 5; the second liquid passing gap 51 is communicated with the fourth liquid passing channel 52; in this embodiment, the second ejector 5 is preferably a hollow cylinder, and the second liquid passage space 51 is formed by more than 1 through hole radially provided in the upper portion of the second ejector 5.
The sealing plug 6 is arranged in the hollow part of the main body 41 of the valve body 4, and when the liquid is not communicated, the sealing plug 6 is tightly abutted with the sealing abutting end 41-2 of the valve body 4, so that the lower end opening of the main body 41 of the valve body 4 is closed. In this embodiment, the sealing plug 6 is composed of a sealing portion 61 and a limit guiding portion 62; the limit guide portion 62 is disposed on the upper end surface of the sealing portion 61, the limit guide portion 62 is fixedly connected or integrally connected with the sealing portion 61, and an installation gap is disposed in the limit guide portion 62. In this embodiment, the sealing portion 61 is preferably a circular plate member; the limit guide portion 62 is preferably a hollow cylindrical member with openings at the upper and lower ends, and the hollow portion of the limit guide portion 62 constitutes an installation space of the limit guide portion 62.
Preferably, the second ejector 5 and the sealing plug 6 are provided with an anti-scaling material layer on the surface of the part capable of contacting with the liquid when in use, and the anti-scaling material layer can be made of Polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PEP) or soluble polytetrafluoroethylene (PEP), preferably polytetrafluoroethylene.
Referring still to fig. 1, the second ejector 5 is movably disposed in the hollow portion of the connection guiding portion 42 of the valve body 4, the sealing plug 6 is movably disposed in the hollow portion of the main body portion 41 of the valve body 4, and two mounting manners of the second ejector 5 are provided, one of the two mounting manners is that the upper end of the second ejector 5 is fixedly connected with the sealing plug 6, and at this time, the lower end of the second ejector 5 is not fixedly connected with the upper end of the first ejector 2; the second ejector 5 is fixedly connected with the upper end of the first ejector 2 through the lower end of the second ejector 5, and the upper end of the second ejector 5 is not fixedly connected with the sealing plug 6 at the moment; in the liquid-tight state, the sealing plug 6 is tightly abutted against the sealing abutment end 41-2 of the valve body 4, and the lower end opening of the main body 41 of the valve body 4 is closed, so that liquid cannot be passed.
The valve body 4 is connected with the upper part of the valve housing 1 by the lower part of the valve body in a sealing way; in this embodiment, the valve body 4 is preferably inserted into the valve body connecting part of the valve housing 1 by the connecting guide part 42 thereof in a sealing manner; the outer end of the bottom plate of the body portion 41 of the valve body 4 protrudes outwardly with respect to the upper port of the valve housing 1 for ease of installation in use.
The first liquid through gap 41-1 on the valve body 4, the third liquid through channel 43 on the valve body 4, the second liquid through gap 51 on the second ejector 5, the fourth liquid through channel 52 on the second ejector 5, the second liquid through channel 23 on the first ejector 2, and the first liquid through channel 14 and the liquid outlet 15 of the valve housing 1 constitute a liquid outlet channel in use of the liquid through electromagnetic valve of this embodiment.
The liquid-passing electromagnetic valve of the embodiment is taken as an example when the electromagnetic valve is applied to automatic tea sets, and the installation mode and the working principle of the electromagnetic valve are briefly described as follows:
the valve body 4 is fixedly arranged at a liquid outlet at the lower end of the water boiling and/or tea making container of the automatic tea set through the main body part 41 of the valve body 4, and the main body part 41 of the valve body 4 is basically arranged in the water boiling and/or tea making container; the electromagnetic coil 3 is fixedly arranged on a bracket for supporting the water boiling and/or tea making container, and the electromagnetic coil 3 is electrically connected with an external controllable power supply; the valve housing 1 is inserted into the solenoid 3.
When the electromagnetic coil 3 is not electrified, the sealing plug 6 is tightly abutted with the sealing abutting end 41-2 of the valve body 4 under the action of self gravity and upper hydraulic pressure, and the lower end opening of the main body 41 of the valve body 4 is closed, so that the electromagnetic valve is not electrified.
The electromagnetic force generated after the electromagnetic coil 3 is electrified acts on the first ejector 2, so that the first ejector 2 moves upwards, the upward thrust of the first ejector 2 drives the second ejector 5 to move upwards, the second ejector 5 moves upwards, the sealing plug 6 moves upwards away from sealing contact with the opening at the lower end of the main body 41 of the valve body 4, the second liquid passing gap 51 of the second ejector 5 stretches upwards into the hollow part of the main body 41 of the valve body 4, namely the third liquid passing channel 43, and liquid in the water boiling container and/or the tea making container flows out from the liquid outlet 15 after passing through the first liquid passing gap 41-1 of the valve body 4, the third liquid passing channel 43 of the valve body 4, the second liquid passing gap 51 of the second ejector 5, the fourth liquid passing channel 52 of the second ejector 5, the second liquid passing channel 23 of the first ejector 2 and the first liquid passing channel 14 of the valve housing 1 in sequence. When liquid discharging is needed to be stopped, the power supply of the electromagnetic coil 3 is turned off, the upward thrust of the first ejector 2 disappears, and the first ejector 2 is reset in the valve casing 1 under the action of the upper pressure and the gravity of the first ejector 2; the second ejector 5 and the sealing plug 6 reset in the valve body 4 under the action of self gravity and upper pressure to stop liquid discharge.
Example 2
Referring to fig. 6, the liquid passing solenoid valve of the present embodiment is basically the same as that of embodiment 1 except that: the liquid-passing electromagnetic valve of this embodiment further includes, on the basis of the structure of embodiment 1, a first ejector return spring 7 for assisting the return of the first ejector 2, a plug return spring 8 for assisting the return of the sealing plug 6, and a seal ring 9 for enhancing the sealing effect, where the seal ring 9 includes a first seal ring 91 and a second seal ring 92.
The first ejector return spring 7 is arranged in the ejector mounting part of the valve housing 1 and is positioned on the periphery of the body 21 of the first ejector 2, and the upper end of the first ejector return spring 7 is abutted against the lower end face of the guide limit protrusion 13 of the valve housing 1; the lower end of the first ejector return spring 7 abuts against the upper end surface of the abutment portion 22 of the first ejector 2.
The plug return spring 8 is provided in the limit guide portion 62 of the seal plug 6, the upper end of the plug return spring 8 abuts against the lower end face of the upper plate of the main body portion 41 of the valve body 4, and the lower end of the plug return spring 8 abuts against the upper end face of the seal mouth portion 61 of the seal plug 6.
The first sealing ring 91 is fixedly arranged on the sealing butt joint end 41-2 in the main body 41 of the valve body 4, or the first sealing ring 91 is fixedly arranged on the sealing plug 6 and is positioned at the joint of the sealing plug 6 and the sealing butt joint end 41-2 of the valve body 4 when the valve body is in a liquid-tight state; the second seal 92 is fixedly fitted to the outer peripheral wall of the connection guide 42 of the valve body 4 or to the inner wall of the valve body connection of the valve housing 1.
The liquid-passing electromagnetic valve of the embodiment can improve the sealing performance by arranging the first sealing ring 91 and the second sealing ring 92; by arranging the first ejector return spring 7 and the plug return spring 8, when liquid discharge is required to be stopped in use, the elastic force of the return of the first ejector return spring 7 and the plug return spring 8 can enable the return of the first ejector 2 and the sealing plug 6 to be faster than that of the embodiment 1 on the basis of the embodiment 1, so that the action response of stopping liquid discharge is faster.
Example 3
Referring to fig. 7, the liquid passing solenoid valve of the present embodiment is basically the same as that of embodiment 2 except that: the first ejector 2 further comprises a guiding and limiting part 24 arranged on the periphery of the body 21, and the guiding and limiting part 24 is integrally or fixedly connected with the outer upper end surface of the abutting part 22 from the lower end of the guiding and limiting part; correspondingly, the first ejector return spring 7 is arranged between the main body part 21 and the guiding and limiting part 24 of the first ejector 2, and meanwhile, the guiding and limiting protrusion 13 of the valve housing 1 is made of ferromagnetic materials, so that the response speed of the first ejector 2 is accelerated when the electromagnetic coil 3 is electrified in use.
Example 4
Referring to fig. 8, the liquid passing solenoid valve of the present embodiment is basically the same as that of embodiment 2 except that:
first, the sealing plug 6 is a ball member, the upper end of the plug return spring 8 is abutted against the lower end face of the upper plate of the main body 41 of the valve body 4, and the lower end of the plug return spring 8 is abutted against the upper portion of the sealing plug 6.
Second, the second ejector 5 adopts a hollow truncated cone, and the second liquid through gap 51 of the second ejector 5 is arranged on the wall of the second ejector 5.
Third, the liquid passage of the valve body 4 is composed of a third liquid passage 43 formed by the hollow part of the main body 41, a gap generated between the sealing plug 6 and the sealing butt end of the valve body 4 when moving upwards, and a part of the hollow part of the connection guiding part 42 of the valve body 4, which is positioned at the upper part of the outer periphery of the second ejector 5.
Fourth, the sealing butt end 41-2 of the valve body 4 is constituted by a slightly concave end face of the lower plate of the main body 41 of the valve body 4 near the opening.
Example 5
Referring to fig. 9, the liquid passing solenoid valve of this embodiment is basically the same as that of embodiment 4 except that: the first ejector 2 further comprises a guiding and limiting part 24 arranged on the periphery of the body 21, and the guiding and limiting part 24 is integrally or fixedly connected with the outer upper end surface of the abutting part 22 from the lower end of the guiding and limiting part; correspondingly, the first ejector return spring 7 is arranged between the main body part 21 and the guiding and limiting part 24 of the first ejector 2, and meanwhile, the guiding and limiting protrusion 13 of the valve housing 1 is made of ferromagnetic materials, so that the response speed of the first ejector 2 is accelerated when the electromagnetic coil 3 is electrified in use.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, and all such equivalent technical solutions are intended to be included in the scope of the invention.
Claims (12)
1. A liquid solenoid valve, its characterized in that: the valve comprises a valve shell, an electromagnetic coil, a first ejector, a valve body, a second ejector and a sealing plug; the valve casing is a hollow member with openings at the upper end and the lower end, a liquid passing channel is formed in the hollow part at the lower part of the valve casing, and a liquid outlet is formed in the opening at the lower end of the valve casing; the first ejector is a component provided with an upward-downward liquid passing channel; the first ejector is movably arranged in the valve casing; the electromagnetic coil is arranged at the outer Zhou Zhongshang part of the valve casing; the valve body is a hollow member with a liquid passing gap at the upper part and an opening at the lower end, and a sealed butt joint end and a liquid passing channel are arranged in the valve body; the second ejector is a component provided with a liquid through gap and a liquid passing channel; the second ejector is movably arranged in the valve body, the sealing plug is a member with the size and shape matched with the sealing butt end of the valve body, and the sealing plug is movably arranged in the valve body in a matched manner with the sealing butt end of the valve body; the upper end of the second ejector piece is integrally connected or fixedly connected with the sealing plug, or the lower end of the second ejector piece is integrally connected or fixedly connected with the upper end of the first ejector piece; when in use, the valve body is connected with the upper part of the valve shell in a sealing way by the lower part of the valve body;
when the electromagnetic coil is not electrified, the sealing plug is buckled on the sealing butt joint end of the valve body so that the liquid-passing electromagnetic valve is not in liquid-passing; when the electromagnetic coil is electrified, the first ejector piece is driven to move upwards to drive the second ejector piece and the sealing plug to move upwards, so that a liquid passing gap is formed between the sealing plug and the sealing butt joint end of the valve body; the liquid outlet channel is formed by the liquid passing gap and the liquid passing channel of the valve body, the liquid passing gap between the sealing plug and the sealing butt joint end of the valve body, the liquid passing gap and the liquid passing channel of the second ejector, the liquid passing channel of the first ejector and the liquid passing channel and the liquid outlet of the valve shell when the liquid passing electromagnetic valve is used.
2. The liquid passing solenoid valve according to claim 1, wherein: the valve casing comprises a hollow casing with openings at the upper end and the lower end, a push piece supporting seat which is arranged in the middle and lower part of the casing and is integrated with or fixedly connected with the casing, and a guide limit protrusion which is arranged in the middle and upper part of the casing and is integrated with or fixedly connected with the casing; and in a liquid-tight state, the lower end of the first ejector is abutted against the upper end of the ejector supporting seat of the valve casing.
3. The liquid passing solenoid valve according to claim 1, wherein: the valve body comprises a main body part and a connecting guide part; the main body part is a hollow member with an opening at the lower end, the connecting guide part is a hollow member with an opening at the upper end and the lower end, the connecting guide part is arranged below the main body part and is integrated with or fixedly connected with the main body part, and the hollow part of the connecting guide part is communicated with the hollow part of the main body part; the upper end face of the periphery of the opening of the main body part forms a sealing butt joint end of the valve body; the liquid through gap of the valve body is arranged on the main body part; the hollow part of the main body part or the hollow part of the main body part and the upper part of the hollow part of the connecting guide part together form a liquid passing channel of the valve body; the liquid through gap of the valve body is communicated with the liquid through channel of the valve body.
4. The liquid passing solenoid valve according to claim 1, wherein: the sealing plug is a sphere.
5. The liquid passing solenoid valve according to claim 1, wherein: the sealing plug comprises a sealing part and a limiting guide part, wherein the limiting guide part is arranged on the upper end face of the sealing part and is integrally or fixedly connected with the sealing part.
6. The liquid passing solenoid valve according to claim 1, wherein: the first ejector comprises a body and an abutting part which is arranged on the periphery of the lower end of the body and is integrally connected or fixedly connected with the body; or the first ejector comprises a body, an abutting part arranged at the periphery of the lower end of the body and integrally connected or fixedly connected with the body, and a guiding and limiting part arranged at the periphery of the body and integrally or fixedly connected with the outer upper end surface of the abutting part by the lower end of the body; the body is a hollow component with openings at the upper end and the lower end, and the hollow part of the body forms a liquid passing channel of the first ejector.
7. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the liquid through electromagnetic valve further comprises a first ejector return spring which is arranged in the valve shell and used for assisting the first ejector to return.
8. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the liquid-passing electromagnetic valve further comprises a plug reset spring which is arranged in the valve body and used for assisting the reset of the sealing plug.
9. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the liquid-passing electromagnetic valve further comprises a first sealing ring, wherein the first sealing ring is fixedly arranged on the sealing butt joint end of the valve body or fixedly arranged on the sealing plug and is positioned at the joint of the sealing plug and the sealing butt joint end of the valve body when the liquid-passing electromagnetic valve is in a liquid-non-passing state.
10. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the liquid-passing electromagnetic valve further comprises a second sealing ring; the second sealing ring is embedded and fixedly arranged on the lower peripheral wall of the valve body or the upper inner wall of the valve shell.
11. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the valve casing, the first ejector, the valve body, the second ejector and the sealing plug are all provided with an anti-scaling layer on the surface contacted with liquid when in use.
12. The liquid passing solenoid valve according to any one of claims 1 to 6, wherein: the valve body, the second ejector and the sealing plug are arranged in the valve body, the valve shell and the first ejector arranged in the valve shell are respectively arranged on different matched components when in use, the lower part of the valve body is in sealing connection with the upper part of the valve shell when in use, and the second ejector is only fixedly connected with the sealing plug.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008453.3A CN108825801B (en) | 2018-08-31 | 2018-08-31 | Liquid-passing electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008453.3A CN108825801B (en) | 2018-08-31 | 2018-08-31 | Liquid-passing electromagnetic valve |
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| CN108825801A CN108825801A (en) | 2018-11-16 |
| CN108825801B true CN108825801B (en) | 2023-07-28 |
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| CN201811008453.3A Active CN108825801B (en) | 2018-08-31 | 2018-08-31 | Liquid-passing electromagnetic valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109744880A (en) | 2019-03-08 | 2019-05-14 | 江苏中茗茶具科技有限公司 | automatic tea-making device |
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| CN87200724U (en) * | 1987-01-21 | 1987-11-04 | 张守顺 | Outlet type kettle bottom valve |
| US4801124A (en) * | 1988-01-25 | 1989-01-31 | Shippers Paper Products Company | Disposable valve |
| EP0979965A2 (en) * | 1998-08-13 | 2000-02-16 | Apv Rosista Gmbh | Bottom valve, especially a tank bottom valve |
| CN101545548A (en) * | 2009-05-19 | 2009-09-30 | 邵显安 | Anti-mixing tank bottom valve |
| TW201126085A (en) * | 2010-01-18 | 2011-08-01 | Tai Yiaeh Entpr Co Ltd | Bottom valve |
| CN105370953A (en) * | 2015-11-24 | 2016-03-02 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Connecting device between tank and pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3977066B2 (en) * | 2001-12-03 | 2007-09-19 | 株式会社テージーケー | Solenoid proportional valve |
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2018
- 2018-08-31 CN CN201811008453.3A patent/CN108825801B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200724U (en) * | 1987-01-21 | 1987-11-04 | 张守顺 | Outlet type kettle bottom valve |
| US4801124A (en) * | 1988-01-25 | 1989-01-31 | Shippers Paper Products Company | Disposable valve |
| EP0979965A2 (en) * | 1998-08-13 | 2000-02-16 | Apv Rosista Gmbh | Bottom valve, especially a tank bottom valve |
| CN101545548A (en) * | 2009-05-19 | 2009-09-30 | 邵显安 | Anti-mixing tank bottom valve |
| TW201126085A (en) * | 2010-01-18 | 2011-08-01 | Tai Yiaeh Entpr Co Ltd | Bottom valve |
| CN105370953A (en) * | 2015-11-24 | 2016-03-02 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Connecting device between tank and pump |
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| CN108825801A (en) | 2018-11-16 |
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