CN114198508A - Electromagnetic valve capable of adjusting flow - Google Patents

Electromagnetic valve capable of adjusting flow Download PDF

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Publication number
CN114198508A
CN114198508A CN202111546713.4A CN202111546713A CN114198508A CN 114198508 A CN114198508 A CN 114198508A CN 202111546713 A CN202111546713 A CN 202111546713A CN 114198508 A CN114198508 A CN 114198508A
Authority
CN
China
Prior art keywords
stop
adjusting
groove
iron core
sealing
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.)
Pending
Application number
CN202111546713.4A
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Chinese (zh)
Inventor
熊颖申
何光雄
雷立强
曾凯波
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Shenzhen Cnht Ltd
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Shenzhen Cnht Ltd
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Publication date
Application filed by Shenzhen Cnht Ltd filed Critical Shenzhen Cnht Ltd
Priority to CN202111546713.4A priority Critical patent/CN114198508A/en
Publication of CN114198508A publication Critical patent/CN114198508A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • F16K1/52—Means for additional adjustment of the rate of flow
    • 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
    • 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
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F16K3/267—Combination of a sliding valve and a lift valve
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • 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
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
    • F16K35/027—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by pushing or pulling the valve actuator, the valve actuator being rotated subsequently to bring the valve closure element in the desired position

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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 flow-adjustable electromagnetic valve, which comprises a valve body, an adjusting shaft and a driving structure, wherein the valve body is provided with a valve cavity, a water inlet, a water outlet, a connecting port, a communicating port and a fixing groove, the valve cavity is communicated with the water inlet, the connecting port and the communicating port, the communicating port and the water outlet are communicated with the fixing groove, the adjusting shaft is rotatably connected in the fixing groove, the adjusting groove is arranged on the adjusting shaft and communicated with the communicating port, the outer wall of the adjusting shaft is provided with a circulating part, an adjusting part and a plugging part which are sequentially connected, the plugging part is close to the communicating port relative to the water outlet, the circulating part is far away from the communicating port relative to the water outlet, the adjusting part is used for adjusting the flow entering the water outlet, the driving structure is connected on the valve body and is used for connecting and plugging the connecting port, the middle part is movably provided with a movable iron core, one end of the movable iron core extends into the valve cavity along the connecting port, one end of the movable iron core, which is positioned in the valve cavity, is provided with a sealing rubber head, the sealing rubber head is used for closing or opening the communication port. The invention has simple structure and high control precision.

Description

Electromagnetic valve capable of adjusting flow
Technical Field
The invention relates to the field of electromagnetic valves, in particular to an electromagnetic valve capable of adjusting flow.
Background
The two-way electromagnetic valve is an industrial product applied to various control devices in the market, and has the advantages of compact structure, sensitive response, low cost and simple control. Common two-way solenoid valves in the existing market are basically used for pipeline control, and the on-off function of pipelines is realized. In some occasions requiring pipelines to adjust flow, a flow adjusting valve needs to be added for control, and the control precision is poor. Therefore, it is necessary to provide a solenoid valve capable of adjusting the flow rate to solve the above technical problems.
Disclosure of Invention
The invention provides a flow-adjustable electromagnetic valve, which aims to solve the problems that the flow adjustment of the electromagnetic valve in the prior art needs to be controlled by adding a flow adjusting valve and the control precision is poor.
In order to solve the technical problems, the technical scheme of the invention is as follows: an adjustable flow solenoid valve, comprising:
the valve body is provided with a valve cavity, a water inlet, a water outlet, a communication port and a fixing groove, one end of the valve cavity is open, the valve cavity is communicated with the water inlet and the communication port, and the communication port and the water outlet are communicated with the fixing groove;
the adjusting shaft is rotatably connected in the fixing groove, an adjusting groove is formed in the adjusting shaft and is communicated with the communicating port, the adjusting groove comprises an adjusting inner wall, the adjusting inner wall is close to the water outlet, a circulating part, an adjusting part and a blocking part which are sequentially connected are arranged on the outer wall, connected with the adjusting inner wall, of the adjusting shaft, the blocking part is close to the communicating hole relative to the water outlet, the circulating part is far away from the communicating hole relative to the water outlet, and the adjusting part is used for adjusting the flow entering the water outlet;
the driving structure is connected on the valve body, the connection and the shutoff are in the uncovered department of valve pocket, the middle part activity is provided with moves the iron core, move iron core one end and stretch into in the valve pocket, move the iron core and be located one end in the valve pocket and be provided with the head of gluing, the head of gluing is used for sealing or opening the intercommunication mouth.
In the electromagnetic valve capable of adjusting the flow, the position of the adjusting inner wall corresponding to the adjusting part is an inclined plane, an S-shaped wavy plane or a stepped plane.
In the flow-adjustable electromagnetic valve, the adjusting shaft is provided with the stop-payment groove, the valve body is provided with a stop-payment threaded hole corresponding to the stop-payment groove, the stop-payment threaded hole is connected with the stop-payment structure in a rotating mode, the stop-payment threaded hole is communicated with the fixing groove, and one end of the stop-payment structure extends out of the stop-payment threaded hole and is connected into the stop-payment groove in a sliding mode.
In the electromagnetic valve capable of adjusting the flow, a plurality of clamping grooves are arranged in the payment stopping groove, the clamping grooves are evenly spaced, the clamping grooves are in a ball socket shape, one end of the payment stopping structure, which is positioned in the payment stopping groove, is hemispherical, and one end of the payment stopping structure, which is positioned in the payment stopping groove, extends into the clamping grooves.
In the electromagnetic valve capable of adjusting the flow, the stop-payment structure comprises a stop-payment screw, a stop-payment spring and a stop-payment top block, the stop-payment screw is rotatably connected in the stop-payment threaded hole, the stop-payment spring is connected between the stop-payment screw and the stop-payment top block, and one end of the stop-payment top block, which is far away from the stop-payment screw, is hemispherical.
In the electromagnetic valve capable of adjusting the flow, the adjusting shaft is provided with a rotating notch at one end of the opening of the fixing groove, scale marks are arranged on the outer side of the opening of the fixing groove and correspond to the clamping grooves one to one, and the rotating notch is used for conveniently rotating the adjusting groove and indicating the scale marks.
In the electromagnetic valve capable of adjusting the flow, the adjusting shaft is provided with two first sealing grooves, the adjusting groove is positioned between the two first sealing grooves, a first sealing ring is arranged in each first sealing groove, and the outer side of each first sealing ring is in contact with the inner wall of the corresponding fixing groove.
In the flow rate adjustable electromagnetic valve according to the present invention, the driving structure includes:
the cylindrical pipe is detachably connected to the opening of the valve cavity, and the movable iron core is movably arranged at one end, close to the valve body, of the cylindrical pipe;
the static iron core is connected with one end, far away from the valve body, in the cylindrical pipe in an interference manner;
the spring is connected between the static iron core and the movable iron core;
and the coil is sleeved outside the cylindrical pipe.
In the electromagnetic valve with the adjustable flow, the middle part of the movable iron core is provided with a containing hole, the sealing rubber head is positioned in the containing hole and close to one end of the valve body, the sealing rubber head is provided with a limiting bulge, the position of the containing hole, which corresponds to the limiting bulge, is provided with a limiting groove, and the limiting bulge is connected in the limiting groove;
one end of the spring extends into the accommodating hole and abuts against the sealing rubber head, and the other end of the spring extends out of the accommodating hole and contacts the static iron core.
In the electromagnetic valve with the adjustable flow, one end of the cylindrical pipe, which is close to the valve body, is provided with a second sealing groove, a second sealing ring is arranged in the second sealing groove, and the outer side of the second sealing ring is contacted with the inner wall of the valve cavity;
the static iron core is characterized in that a third sealing groove is formed in the outer side of the middle of the static iron core, a third sealing ring is arranged in the third sealing groove, and the outer side of the third sealing ring is in contact with the inner wall of the cylindrical pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a flow-adjustable electromagnetic valve, which is provided with a driving structure for controlling a movable iron core to drive a sealing rubber head to move in a valve cavity and used for closing or opening a communicating port, wherein a fixed groove is arranged on a valve body and communicated with the communicating port and a water outlet, an adjusting shaft is rotationally arranged in the fixed groove and provided with an adjusting groove, the adjusting groove is communicated with the communicating port and comprises an adjusting inner wall, the adjusting inner wall is close to the water outlet, a circulating part, an adjusting part and a plugging part which are sequentially connected are arranged on the outer wall of the adjusting shaft connected with the adjusting inner wall, the circulating part is far away from the communicating port relative to the water outlet, when the water outlet faces the circulating part, the flow is maximum, the plugging part is close to the communicating port relative to the water outlet, when the water outlet faces the plugging part, the water outlet is closed, the adjusting part is connected with the circulating part and the plugging part, when the water outlet faces the adjusting part, the liquid in the communicating port can flow out from the water outlet through the adjusting groove, different flow cross sections can appear in the angle of realizing the difference through the rotation regulation axle to realize the flow control effect, rotate the regulating spindle, can control the flow size, simple structure need not additionally increase flow control valve, and control accuracy is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an adjustable flow solenoid valve according to the present invention.
FIG. 2 is a top view of the adjustable flow solenoid valve of the present invention.
Fig. 3 is a sectional view taken along the line a in fig. 2.
Fig. 4 is a schematic structural diagram of a valve body of the electromagnetic valve with adjustable flow rate of the invention.
FIG. 5 is a front view of an adjustment shaft of the adjustable flow solenoid of the present invention.
FIG. 6 is a schematic plan view of an adjusting shaft of the adjustable flow solenoid valve of the present invention.
Fig. 7 is a cross-sectional view of a cylindrical tube of the adjustable flow solenoid valve of the present invention.
Fig. 8 is a sectional view of a movable core of the flow rate adjustable solenoid valve of the present invention.
Fig. 9 is a cross-sectional view of a stationary core of the adjustable flow solenoid valve of the present invention.
Fig. 10 is a partial sectional view of a connection portion of a stop structure and a stop groove of the solenoid valve with adjustable flow rate according to the present invention.
Fig. 11 is a schematic plan view showing the expansion of the regulating shaft when the regulating inner wall of the flow rate adjustable solenoid valve of the present invention is an S-shaped wavy surface.
Fig. 12 is a schematic plan view showing the expansion of the regulating shaft when the regulating inner wall of the flow rate adjustable solenoid valve of the present invention is a stepped surface.
Wherein, 1, a valve body, 2, an adjusting shaft, 3, a driving structure, 11, a valve cavity, 12, a water inlet, 13, a water outlet, 14, a connecting port, 15, a communicating port, 16, a fixed groove, 17, a stop screw hole, 18, a stop structure, 19, a scale mark, 21, an adjusting groove, 22, a stop groove, 23, a rotation notch, 24, a first sealing groove, 31, a movable iron core, 32, a sealing rubber head, 33, a cylindrical pipe, 34, a static iron core, 35, a spring, 36, a coil, 37, a gasket, 38, a hexagon nut, 111, a sealing bulge, 161, a vent hole, 181, a stop screw, 182, a stop spring, 183, a stop top block, 211, an adjusting inner wall, 212, a circulating part, 213, an adjusting part, 214, a plugging part, 221, a clamping groove, 241, a first sealing ring, 311, a containing hole, 312, a limiting groove, 321, a limiting bulge, 331, a second sealing groove, 332 and a second sealing ring, 341. third seal groove, 342, third sealing washer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The electromagnetic valve in the prior art needs to be additionally provided with a flow regulating valve for controlling the flow, and the control precision is poor.
The following is a preferred embodiment of the present invention for providing an adjustable flow solenoid valve that can solve the above technical problems.
Referring to fig. 1 to 9, fig. 1 is a schematic structural diagram of an adjustable flow rate solenoid valve of the present invention, fig. 2 is a top view of the adjustable flow rate solenoid valve of the present invention, fig. 3 is a sectional view taken along a direction a in fig. 2, fig. 4 is a schematic structural diagram of a valve body of the adjustable flow rate solenoid valve of the present invention, fig. 5 is a front view of a regulating shaft of the adjustable flow rate solenoid valve of the present invention, fig. 6 is a schematic plan view of the regulating shaft of the adjustable flow rate solenoid valve of the present invention, fig. 7 is a sectional view of a cylindrical tube of the adjustable flow rate solenoid valve of the present invention, fig. 8 is a sectional view of a movable iron core of the adjustable flow rate solenoid valve of the present invention, and fig. 9 is a sectional view of a stationary iron core of the adjustable flow rate solenoid valve of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention provides a flow-adjustable electromagnetic valve which comprises a valve body 1, an adjusting shaft 2 and a driving structure 3. The valve body 1 is provided with a valve cavity 11, a water inlet 12, a water outlet 13, a connecting port 14, a communicating port 15 and a fixing groove 16, the valve cavity 11 is communicated with the water inlet 12, the connecting port 14 and the communicating port 15, the communicating port 15 is communicated with the water outlet 13 and the fixing groove 16, and the fixing groove 16 is a cylindrical groove. The valve cavity 11 is open at one end and is provided with a connecting port 14 at the opening. A sealing bulge 111 is arranged in the valve cavity 11, the communication port is located in the middle of the sealing bulge 111, and the sealing bulge 111 is annular and is in a volcano-vent shape.
The adjusting shaft 2 is cylindrical and is rotatably connected in the fixing groove 16, an adjusting groove 21 is formed in the adjusting shaft 2, the adjusting groove 21 is communicated with the communicating port 15, the adjusting groove 21 comprises an adjusting inner wall 211, and the adjusting inner wall 211 is close to the water outlet 13. The outer wall of the adjusting shaft 2 connected with the adjusting inner wall 211 is provided with a flowing part 212, an adjusting part 213 and a blocking part 214 which are connected in sequence, the blocking part 214 is close to the communicating hole relative to the water outlet 13, the flowing part 212 is far away from the communicating hole relative to the water outlet 13, and the adjusting part 213 is used for adjusting the flow rate entering the water outlet 13. The driving structure 3 is connected on the valve body 1, and connects and blocks the connection port 14, and the middle part activity is provided with moves iron core 31, moves iron core 31 one end and stretches into in the valve chamber 11 along the connection port 14, moves iron core 31 and is located one end in the valve chamber 11 and is provided with the head 32 of gluing, and the head 32 of gluing is used for sealing or opening the intercommunication mouth 15, and the head 32 of gluing is sealed through the contact and keep away from sealed protruding 111, closes or keeps away from the intercommunication mouth 15.
The electromagnetic valve capable of adjusting the flow is characterized in that a driving structure 3 is arranged to control a movable iron core 31 to drive a sealing rubber head 32 to move in a valve cavity 11 and used for closing or opening a communication port 15, a fixed groove 16 is arranged on a valve body 1, the fixed groove 16 is communicated with the communication port 15 and a water outlet 13, an adjusting shaft 2 is rotatably arranged in the fixed groove 16, an adjusting groove 21 is arranged on the adjusting shaft 2, the adjusting groove 21 is communicated with the communication port 15, the flow is maximum when the water outlet 13 faces a circulation part 212, the water outlet 13 is closed when the water outlet 13 faces a blocking part 214, the adjusting part 213 is connected with the circulation part 212 and the blocking part 214, when the water outlet 13 faces the adjusting part 213, the liquid in the communication port 15 can flow out from the water outlet 13 through the adjusting groove 21, the adjusting shaft 2 is rotated, the flow can be controlled, the structure is simple, no additional flow adjusting valve is needed, and the control precision is high.
An adjusting inner wall 211 is arranged at the middle section of the excircle of the adjusting shaft 2, and an adjusting part 213 connected with the adjusting inner wall 211 is arranged on the outer wall of the adjusting shaft 2. Different flow cross sections can appear at different angles by rotating the adjusting shaft 2, so that the flow adjusting effect is realized.
Referring to fig. 6, 11 and 12, fig. 11 is a schematic plan view showing the expansion of the regulating shaft when the regulating inner wall of the flow rate adjustable solenoid valve of the present invention is an S-shaped wave surface. Fig. 12 is a schematic plan view showing the expansion of the regulating shaft when the regulating inner wall of the flow rate adjustable solenoid valve of the present invention is a stepped surface.
Adjust the position that inner wall 211 corresponds circulation portion 212 to be the plane, and keep away from intercommunication mouth 15 relative delivery port 13, the position that adjusts inner wall 211 corresponds shutoff portion 214 is the plane, and relative delivery port 13 is close to intercommunication mouth 15, the position that adjusts inner wall 211 corresponds regulation portion 213 can be the inclined plane, the plane that adjusts inner wall 211 corresponds circulation portion 212 and the plane that adjusts inner wall 211 corresponds shutoff portion 214 are connected at the inclined plane both ends, the inclined plane sets up, make regulation portion 213 can increase the shutoff area to delivery port 13 gradually, the flow of control export 13, make flow control be linear change, flow gradually increases or reduces. The position of the adjusting inner wall 211 corresponding to the adjusting portion 213 may also be provided with an S-shaped wave surface, so that when the water outlet 13 faces the wave trough of the S-shaped wave surface, the flow rate is the largest, and when the water outlet 13 faces the wave crest of the S-shaped wave surface, the flow rate is the smallest. The position of the adjusting inner wall 211 corresponding to the adjusting part 213 can also be set to be a stepped surface, and each step corresponds to one flow, so that the adjustment is convenient.
The adjusting shaft 2 is provided with a stop groove 22, a stop threaded hole 17 is formed in the valve body 1 corresponding to the stop groove 22, a stop structure 18 is connected in the stop threaded hole 17 in a rotating mode, the stop threaded hole 17 is communicated with the fixed groove 16, one end of the stop structure 18 extends out of the stop threaded hole 17 and is connected in the stop groove 22 in a sliding mode, the adjusting shaft 2 is prevented from falling off from the fixed groove 16, and the rotating angle of the adjusting shaft 2 can be limited.
A plurality of clamping grooves 221 can be arranged in the stop-pay groove 22, the clamping grooves 221 are evenly spaced, the clamping grooves 221 are in a ball socket shape, one end of the stop-pay structure 18, which is positioned in the stop-pay groove 22, is hemispherical, and one end of the stop-pay structure 18, which is positioned in the stop-pay groove 22, extends into the clamping grooves 221. The adjusting shaft 2 is located the uncovered one end of fixed slot 16 and is provided with rotation breach 23, and the uncovered outside of fixed slot 16 is provided with scale mark 19, and scale mark 19 and draw-in groove 221 one-to-one rotate breach 23 and be used for conveniently rotating adjusting groove 21 and instruct scale mark 19. The plurality of clamping grooves 221 are arranged, the stop structure 18 is convenient to support the adjusting shaft 2, and the adjusting shaft 2 is not easy to rotate. The scale marks 19 are arranged to correspond to the clamping grooves 221 one by one, so that the flow control condition can be observed conveniently.
Referring to fig. 3, the stop-pay structure 18 may be a separate stop-pay screw 181, and the stop-pay screw 181 is adjusted before the adjusting shaft 2 is rotated. Referring to fig. 3 and 10, fig. 10 is a partial sectional view of a connection portion of a stop payment structure and a stop payment groove of the adjustable flow solenoid valve according to the present invention. The stop structure 18 may be composed of a stop screw 181, a stop spring 182 and a stop top block 183, the stop screw 181 is rotatably connected in the stop screw hole 17, the stop spring 182 is connected between the stop screw 181 and the stop top block 183, one end of the stop top block 183 remote from the stop screw 181 is hemispherical, when the adjusting shaft 2 is rotated, the stop top block 183 is slidably connected in the stop groove 22 without adjusting the stop screw 181, and the stop top block 183 is pressed against the catch groove 221 by the urging force of the stop spring 182.
Two first sealing grooves 24 are formed in the adjusting shaft 2, the adjusting groove 21 is located between the two first sealing grooves 24, a first sealing ring 241 is arranged in each first sealing groove 24, and the outer side of each first sealing ring 241 is in contact with the inner wall of the fixing groove 16. When liquid in the electromagnetic valve circulates, the liquid enters the valve cavity 11 along the water inlet 12, flows into the adjusting groove 21 through the communicating port 15, flows out along the water outlet 13, a part of the liquid can flow into a gap between the adjusting shaft 2 and the fixing groove 16, the two first sealing grooves 24 are arranged, the first sealing ring 241 is arranged in the first sealing groove 24, the liquid is prevented from leaking, the first sealing ring 241 is sleeved on the adjusting shaft 2, when the liquid enters the adjusting groove 21 from the communicating port 15, impact on the first sealing ring 241 is avoided, and the sealing effect of the first sealing ring 241 cannot be influenced. Two ends of the adjusting shaft 2 are provided with first sealing rings 241, and the adjusting shaft 2 is balanced in stress in the working process, so that the adjusting shaft is not affected by pressure when flow is adjusted, and the convenience of flow adjustment can be greatly improved.
Be provided with air vent 161 on the fixed slot 16 diapire, air vent 161 intercommunication fixed slot 16 and external, when the fixed slot was filled in to the cover was established first sealing washer 241 on the regulating spindle 2, the air in the regulating spindle 2 extrusion fixed slot 16, and the air is discharged along stop pair screw hole 17, delivery port 13 and intercommunication mouth 15, and when first sealing washer 241 covered intercommunication mouth 15, the extruded air was discharged along air vent 161, set up air vent 161, easy to assemble and dismantle regulating spindle 2.
The driving structure 3 comprises a movable iron core 31, a cylindrical pipe 33, a static iron core 34, a spring 35, a coil 36 and a shell, wherein the cylindrical pipe 33 is detachably connected to the connecting port 14, the movable iron core 31 is movably arranged at one end, close to the valve body 1, of the cylindrical pipe 33, a second sealing groove 331 is formed at one end, close to the valve body 1, of the cylindrical pipe 33, a second sealing ring 332 is arranged in the second sealing groove 331, the outer side of the second sealing ring 332 contacts the inner wall of the connecting port 14, the second sealing groove 331 and the second sealing ring 332 are arranged, and it is guaranteed that the connecting position of the cylindrical pipe 33 and the valve body 1 cannot leak. The static iron core 34 is connected in the cylindrical pipe 33 in an interference manner, one end of the static iron core is far away from one end of the valve body 1, one end of the static iron core is exposed out of the cylindrical pipe 33 and extends out of the shell, the extending part penetrates through the gasket 37 and the hexagon nut 38, a third sealing groove 341 is formed in the outer side of the middle of the static iron core 34, a third sealing ring 342 is arranged in the third sealing groove 341, the outer side of the third sealing ring 342 is in contact with the inner wall of the cylindrical pipe 33, the third sealing groove 341 and the third sealing ring 342 are arranged, and liquid is guaranteed not to flow out of the cylindrical pipe 33.
The spring 35 is connected between the stationary core 34 and the movable core 31, and the coil 36 is sleeved outside the cylindrical tube 33. The coil 36 is electrified to generate an electromagnetic effect, the movable iron core 31 and the static iron core 34 are mutually attracted, the coil 36 is powered off, and the movable iron core 31 and the static iron core 34 are pushed away from each other by the spring 35.
The middle part of the movable iron core 31 is provided with an accommodating hole 311, the sealing rubber head 32 is positioned in the accommodating hole 311 and close to one end of the valve body 1, a limiting protrusion 321 is arranged on the sealing rubber head 32, a limiting groove 312 is arranged in the accommodating hole 311 corresponding to the limiting protrusion 321, the limiting protrusion 321 is connected in the limiting groove 312, the limiting protrusion 321 and the limiting groove 312 are connected in a matched mode, and the sealing rubber head 32 is not prone to falling off. The head 32 is glued to the sealing one end and moves the iron core 31 tip parallel and level, and the head 32 is glued to the sealing and is cylindricly, and the diameter is greater than the diameter of intercommunication mouth 15, moves the iron core 31 and drives the head 32 that glues and seal or open intercommunication mouth 15.
Spring 35 one end stretches into the interior butt of accommodation hole 311 and seals head 32, and the other end stretches out accommodation hole 311 contact quiet iron core 34, and spring 35's elasticity direct action is on sealed head 32, and the guarantee is sealed first 32 and is sealed to the intercommunication mouth 15 is firm, and when moving iron core 31 and quiet iron core 34 inter attraction, moving iron core 31 drives sealed head 32 and keeps away from intercommunication mouth 15, and sealed head 32 extrusion spring 35 that glues.
The working principle of the invention is as follows: when the solenoid coil 36 is not electrified, the movable iron core 31 and the static iron core 34 are away from each other under the action of the spring 35, the static iron core 34 is not moved, the movable iron core 31 moves towards the direction away from the static iron core 34, the sealing rubber head 32 is driven to move towards the direction away from the static iron core 34, the sealing rubber head 32 seals the communication port 15, the fluid medium enters the valve cavity 11 from the water inlet 12, and the electromagnetic valve is in a closed state. When the solenoid coil 36 is powered on, the solenoid coil 36 generates magnetic force, the movable iron core 31 and the static iron core 34 are under the action of the magnetic force, the force of the spring 35 and the liquid sealing pressure are overcome to be close to each other, the static iron core 34 is fixed, the movable iron core 31 moves towards the direction close to the static iron core 34, the sealing rubber head 32 is driven to move towards the direction close to the static iron core 34, the sealing rubber head 32 opens the communication port 15, a fluid medium enters the valve cavity 11 from the water inlet 12, the electromagnetic valve is opened, the fluid medium enters the adjusting groove 21 along the communication port 15, the adjusting part 213 and the blocking part 214 block the water outlet 13, different flow cross-sectional areas can appear at different angles through the rotary adjusting shaft 2, when the water outlet 13 faces the flow part 212, the flow is maximum, and therefore the flow adjusting effect is achieved.
This completes the operation of the adjustable flow solenoid valve of the preferred embodiment.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (10)

1. An adjustable flow solenoid valve, comprising:
the valve body is provided with a valve cavity, a water inlet, a water outlet, a communication port and a fixing groove, one end of the valve cavity is open, the valve cavity is communicated with the water inlet and the communication port, and the communication port and the water outlet are communicated with the fixing groove;
the adjusting shaft is rotatably connected in the fixing groove, an adjusting groove is formed in the adjusting shaft and is communicated with the communicating port, the adjusting groove comprises an adjusting inner wall, the adjusting inner wall is close to the water outlet, a circulating part, an adjusting part and a blocking part which are sequentially connected are arranged on the outer wall, connected with the adjusting inner wall, of the adjusting shaft, the blocking part is close to the communicating hole relative to the water outlet, the circulating part is far away from the communicating hole relative to the water outlet, and the adjusting part is used for adjusting the flow entering the water outlet;
the driving structure is connected on the valve body, the connection and the shutoff are in the uncovered department of valve pocket, the middle part activity is provided with moves the iron core, move iron core one end and stretch into in the valve pocket, move the iron core and be located one end in the valve pocket and be provided with the head of gluing, the head of gluing is used for sealing or opening the intercommunication mouth.
2. The adjustable flow rate electromagnetic valve according to claim 1, wherein the position of the adjusting inner wall corresponding to the adjusting portion is a slope, an S-shaped wavy surface or a stepped surface.
3. The adjustable flow electromagnetic valve according to claim 1, wherein a stop groove is provided on the adjusting shaft, a stop threaded hole is provided on the valve body at a position corresponding to the stop groove, a stop structure is rotatably connected in the stop threaded hole, the stop threaded hole is communicated with the fixing groove, and one end of the stop structure extends out of the stop threaded hole and is slidably connected in the stop groove.
4. The adjustable flow solenoid valve according to claim 3, wherein a plurality of slots are disposed in the stop groove, the slots are evenly spaced, the slots are ball-and-socket shaped, the stop structure is located in the stop groove, one end of the stop structure is hemispherical, and the other end of the stop structure located in the stop groove extends into the slots.
5. The adjustable flow solenoid valve according to claim 4, wherein said stop structure comprises a stop screw, a stop spring and a stop top block, said stop screw is rotatably connected in said stop threaded hole, said stop spring is connected between said stop screw and said stop top block, and one end of said stop top block, which is far from said stop screw, is hemispherical.
6. The electromagnetic valve capable of adjusting flow according to claim 4, wherein the adjusting shaft is provided with a rotating notch at one end of the opening of the fixing groove, the outside of the opening of the fixing groove is provided with scale marks, the scale marks correspond to the clamping grooves in a one-to-one correspondence, and the rotating notch is used for facilitating the rotation of the adjusting groove and indicating the scale marks.
7. The flow-adjustable electromagnetic valve according to claim 1, wherein two first sealing grooves are disposed on the adjusting shaft, the adjusting groove is located between the two first sealing grooves, a first sealing ring is disposed in the first sealing groove, and an outer side of the first sealing ring contacts an inner wall of the fixing groove.
8. The adjustable flow solenoid valve according to claim 1, wherein said drive structure comprises:
the cylindrical pipe is detachably connected to the opening of the valve cavity, and the movable iron core is movably arranged at one end, close to the valve body, of the cylindrical pipe;
the static iron core is connected with one end, far away from the valve body, in the cylindrical pipe in an interference manner;
the spring is connected between the static iron core and the movable iron core;
and the coil is sleeved outside the cylindrical pipe.
9. The flow-adjustable electromagnetic valve according to claim 8, wherein a receiving hole is formed in the middle of the movable iron core, the sealing rubber head is positioned in the receiving hole and close to one end of the valve body, a limiting protrusion is arranged on the sealing rubber head, a limiting groove is formed in the receiving hole corresponding to the limiting protrusion, and the limiting protrusion is connected in the limiting groove;
one end of the spring extends into the accommodating hole and abuts against the sealing rubber head, and the other end of the spring extends out of the accommodating hole and contacts the static iron core.
10. The flow-adjustable electromagnetic valve according to claim 8, wherein a second sealing groove is formed in one end, close to the valve body, of the cylindrical pipe, a second sealing ring is arranged in the second sealing groove, and the outer side of the second sealing ring contacts with the inner wall of the valve cavity;
the static iron core is characterized in that a third sealing groove is formed in the outer side of the middle of the static iron core, a third sealing ring is arranged in the third sealing groove, and the outer side of the third sealing ring is in contact with the inner wall of the cylindrical pipe.
CN202111546713.4A 2021-12-16 2021-12-16 Electromagnetic valve capable of adjusting flow Pending CN114198508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111546713.4A CN114198508A (en) 2021-12-16 2021-12-16 Electromagnetic valve capable of adjusting flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111546713.4A CN114198508A (en) 2021-12-16 2021-12-16 Electromagnetic valve capable of adjusting flow

Publications (1)

Publication Number Publication Date
CN114198508A true CN114198508A (en) 2022-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111546713.4A Pending CN114198508A (en) 2021-12-16 2021-12-16 Electromagnetic valve capable of adjusting flow

Country Status (1)

Country Link
CN (1) CN114198508A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19635263A1 (en) * 1995-08-31 1997-03-06 Aisin Aw Co Electromagnetically operated pressure regulating valve
CN201412529Y (en) * 2009-05-18 2010-02-24 蒋洪雷 Throttle-type electromagnetic valve
CN204127443U (en) * 2014-09-11 2015-01-28 奉化市盛灵气动机电有限公司 A kind of adjustable electromagnetic valve
CN104728483A (en) * 2013-12-20 2015-06-24 杭州三花研究院有限公司 Flow control valve and control method thereof and refrigeration system
CN207814536U (en) * 2017-10-24 2018-09-04 宁波陈氏鑫光气动有限公司 A kind of two-position two-way solenoid valve
CN208221719U (en) * 2018-05-17 2018-12-11 浙江科博电器有限公司 A kind of solenoid valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19635263A1 (en) * 1995-08-31 1997-03-06 Aisin Aw Co Electromagnetically operated pressure regulating valve
CN201412529Y (en) * 2009-05-18 2010-02-24 蒋洪雷 Throttle-type electromagnetic valve
CN104728483A (en) * 2013-12-20 2015-06-24 杭州三花研究院有限公司 Flow control valve and control method thereof and refrigeration system
CN204127443U (en) * 2014-09-11 2015-01-28 奉化市盛灵气动机电有限公司 A kind of adjustable electromagnetic valve
CN207814536U (en) * 2017-10-24 2018-09-04 宁波陈氏鑫光气动有限公司 A kind of two-position two-way solenoid valve
CN208221719U (en) * 2018-05-17 2018-12-11 浙江科博电器有限公司 A kind of solenoid valve

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