CN110397762A - A kind of three-way control valve of adjustable-flow - Google Patents

A kind of three-way control valve of adjustable-flow Download PDF

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Publication number
CN110397762A
CN110397762A CN201810380967.5A CN201810380967A CN110397762A CN 110397762 A CN110397762 A CN 110397762A CN 201810380967 A CN201810380967 A CN 201810380967A CN 110397762 A CN110397762 A CN 110397762A
Authority
CN
China
Prior art keywords
slide plate
valve
valve body
spool
valve rod
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
CN201810380967.5A
Other languages
Chinese (zh)
Inventor
赵树起
范亚荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QICHANG VALVE MANUFACTURING Co Ltd
Original Assignee
QICHANG VALVE MANUFACTURING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by QICHANG VALVE MANUFACTURING Co Ltd filed Critical QICHANG VALVE MANUFACTURING Co Ltd
Priority to CN201810380967.5A priority Critical patent/CN110397762A/en
Publication of CN110397762A publication Critical patent/CN110397762A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/048—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve members
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • F16K47/12—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths the throttling channel being of helical form

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sliding Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Details Of Valves (AREA)

Abstract

The present invention provides a kind of three-way control valve of adjustable-flow, including water inlet, first valve body, second valve body, valve rod sealing device, valve rod, preventing clogging up device and throttling element, water inlet, first valve body and the second valve body, which are interconnected, to be arranged, valve rod sealing device is arranged in the first valve body upper end, valve rod sealing device is connected with valve rod, valve rod is arranged through the first valve body and the second valve body, preventing clogging up device is arranged in water inlet, first valve body includes the first spool, first unhurried current plate and the first water outlet, second valve body includes the second spool, second unhurried current plate and the second water outlet, first spool and the second spool are fixed on valve rod, first unhurried current plate is fixed at the first spool lower end, the beneficial effects of the invention are as follows with filtering function, anti-blockage function and high leakproofness, improve the service life of valve body, it increases Throttling element, can good control flow, improve the flexibility that valve uses.

Description

A kind of three-way control valve of adjustable-flow
Technical field
The present invention relates to a kind of regulating valves, more particularly, to a kind of three-way control valve of adjustable-flow.
Background technique
Valve rod is the important component for driving opening and closing element to make valve opening and closing, because valve rod is movable member.So being most It is also easy to produce the position of leakage.Therefore, valve stem seal is very important for valve.Tamponade with valve body by being threadedly coupled, And compress airtight and watertight padding.Regulating valve well known to existing majority is in flow field and is easy to generate vibration and noise；In small guide vane When valve at pressure drop it is maximum, vibration and noise also show the most prominent；It is frequently accompanied by and cavitation, erosion phenomenon occurs, cause valve Inner assembly sealing surface damages in a short time.There is a variety of labyrinth speed limit throttling sets, this kind of labyrinth type or string both at home and abroad now The speed limit throttling set of grade formula is not only easy to block, and erosion is also extremely serious after a period of use.
Current regulating valve is mostly half-duplex channel, and industrial production generally requires the valve of multi-way conduction to complete production work Skill, generally requires more accurately flow control in the production of high request, and the demand of more multi-functional valve reduces cost, improves Yield.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of three-way control valve of adjustable-flow, energy Enough three-dimensional water conservancy diversion, anti-clogging and adjusting flow.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of three-way control valve of adjustable-flow, Including water inlet, the first valve body, the second valve body, valve rod sealing device, valve rod, preventing clogging up device and throttling element, the water inlet, First valve body and second valve body, which are interconnected, to be arranged, and the valve rod sealing device is arranged on first valve body End, the valve rod sealing device are connected with the valve rod, and the valve rod is set through first valve body and second valve body It sets, the preventing clogging up device is arranged in the water inlet, and first valve body includes the first spool, the first unhurried current plate and first Water outlet, second valve body include the second spool, the second unhurried current plate and the second water outlet, first spool and described second Spool is fixed on the valve rod, and the first unhurried current plate is fixed at first spool lower end, and described second Unhurried current plate is fixed at second core upper end, the throttling element be separately positioned on first water inlet and described second into In the mouth of a river, the valve rod sealing device include cock body, the first retaining ring, dustband, the first rubber ring, the second rubber ring, general plug envelope, Second retaining ring and gasket, the cock body are set on the valve rod, and first retaining ring setting is described anti-in cock body inner upper end Konisphere is arranged below first retaining ring, and first rubber ring is arranged below the dustband, and second retaining ring is set It sets in the cock body interior lower end, the general plug envelope is arranged above second retaining ring, and second rubber ring is arranged in institute The general plug side of sealing up is stated, the gasket is arranged in cock body lower end, first retaining ring, the dustband, first rubber ring, institute It states the second rubber ring, the general plug envelope, second retaining ring and the gasket to be fixedly connected with the cock body, the anti-clogging Device includes the first slide plate, and the second slide plate, arc filter screen, the first wing passage, the second wing passage, mouth, second side are filtered in the first side Filter mouth, the first slide plate block piece, the second slide plate block piece, the first spring, second spring, the first spring-support plate and second spring support Plate, the first slide plate block piece and the second slide plate block piece are symmetricly set on the water inlet inner wall, first slide plate It is slidably arranged on the first slide plate block piece, second slide plate slides are arranged on the second slide plate block piece, the arc Shape filter screen is fixedly connected with first slide plate and second slide plate, first wing passage and second wing passage pair Claim to be arranged in the water inlet inner wall, the first side filter mouth setting is in first wing passage front end, second side filter Mouthful setting is in second side Channel front end, and the first spring-support plate setting is in first wing passage rear end, and described the Two spring-support plates are arranged in second wing passage rear end, and first spring and the second spring are respectively fixedly disposed at On first spring-support plate and the second spring support plate.
Further, the throttling element is cylindrical, and the throttling element is provided with multiple, the distribution of the multiple throttling element Density is sequentially increased along first spool and the second spool opening direction, and the outer wall of the throttling element offers spiral shape Groove and unhurried current circle.
Further, first buffer board is identical as second buffer board structure, first buffer board with it is described Second buffer board is coniform.
Further, the cock body lower end is connect with first valve body by being threadedly engaged.
Further, first slide plate, second slide plate, the first slide plate block piece and the second slide plate block piece Length is identical, and the first side filter mouth and described second side filter mouth are equipped with filter hole.
The advantages and positive effects of the present invention are: having filtering function, anti-blockage function and high leakproofness, improve The service life of valve body, increases throttling element, can good control flow, improve the flexibility that valve uses.
Detailed description of the invention
Fig. 1 is sectional view of the present invention；
Fig. 2 is preventing clogging up device profile of the present invention；
Fig. 3 is valve rod sealing device sectional view of the present invention；
Fig. 4 is throttling element structure chart of the present invention；
Fig. 5 be valve rod sealing device position of the present invention with.
In figure:
1, water inlet 2, preventing clogging up device 3, the first valve body
4, the close device 5 of valve rod, valve rod 6, throttling element
7, the first spool 8, the first water outlet 9, first unhurried current plate
10, the second water outlet 11, the second spool 12, second unhurried current plate
13, the second valve body 14, the second slide plate 15, the first slide plate
16, mouth 17, the first slide plate block piece 18, the first wing passage are filtered in the first side
19, arc filter screen 20, the first spring 21, the first spring-support plate
22, second spring support plate 23, second spring 24, the second wing passage
25, second spring block piece 26, second side filter mouth 27, unhurried current circle
28, spiral groove 29, the first retaining ring 30, dustband
31, gasket 32, general plug seal the 33, second retaining ring
34, the second rubber ring 35, the first rubber ring 36, cock body
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described further.
As shown in Figures 1 to 5, the present embodiment provides a kind of three-way control valves of adjustable-flow, including water inlet 1, One valve body 3, the second valve body 13, valve rod sealing device 4, valve rod 5, preventing clogging up device 2 and throttling element 6, water inlet 1, the first valve body 3 It is interconnected and is arranged with the second valve body 13, valve rod sealing device 4 is arranged in 3 upper end of the first valve body, valve rod sealing device 4 and valve rod 5 are connected, and valve rod 5 is arranged through the first valve body 3 and the second valve body 13, and preventing clogging up device 2 is arranged in water inlet 1, the first valve Body 3 includes the first spool 7, first unhurried current plate 9 and the first water outlet 8, and the second valve body 13 includes the second spool 11, second unhurried current plate 12 and second water outlet 10, the first spool 7 and the second spool 13 be fixed on valve rod 5, the first unhurried current plate 9 is fixedly installed In 7 lower end of the first spool, the second unhurried current plate 12 is fixed at 11 upper end of the second spool, and throttling element 6 is separately positioned on first and goes out In the mouth of a river 8 and the second water outlet 10, valve rod sealing device 4 includes cock body 36, the first retaining ring 29, dustband 30, the first rubber ring 35, the second rubber ring 34, general plug seal the 32, second retaining ring 33 and gasket 31, cock body 36 are set on valve rod 5, and the first retaining ring 29 is set It sets in 36 inner upper end of cock body, dustband 30 is arranged below the first retaining ring 29, and the first rubber ring 35 is arranged under dustband 30 Side, the setting of the second retaining ring 33 are arranged above the second retaining ring 33 in 36 interior lower end of cock body, general plug envelope 32, and the second rubber ring 34 is set It sets above general plug envelope 32, gasket 31 is arranged in 36 lower end of cock body, the first retaining ring 29, dustband 30, the first rubber ring 35, second Rubber ring 34, general plug seal the 32, second retaining ring 33 and gasket 31 is fixedly connected with cock body 36, and preventing clogging up device 2 includes first sliding Plate 15, the second slide plate 14, arc filter screen 19, the first wing passage 18, the second wing passage 24, the first side filter mouth 16, second side filter Mouthful the 26, first slide plate block piece 17, the second slide plate block piece 25, the first spring 20, second spring 23, the first spring-support plate 21 and the Two spring-support plates 22, the first slide plate block piece 17 and the second slide plate block piece 25 are symmetricly set on 1 inner wall of water inlet, the first slide plate 15 are slidably arranged on the first slide plate block piece 17, and the second slide plate 14 is slidably arranged on the second slide plate block piece 25, arc filter screen 19 are fixedly connected with the first slide plate 15 and the second slide plate 14, and the first wing passage 18 and the second wing passage 24 are symmetricly set on water inlet In 1 inner wall, the setting of mouth 16 is filtered in 18 front end of the first wing passage in the first side, and second side is filtered mouth 26 and is arranged before second side leads to 24 End, the setting of the first spring-support plate 21 are arranged in 18 rear end of the first wing passage, second spring support plate 22 in the second wing passage 24 Rear end, the first spring 20 and second spring 23 are respectively fixedly disposed at the first spring-support plate 21 and second spring support plate 22 On.
Throttling element 6 is cylindrical, and throttling element 6 is provided with multiple, and the distribution density of multiple throttling elements 6 is along first spool 7 and 11 opening direction of the second spool be sequentially increased, the outer wall of throttling element 6 offer spiral groove 28 and unhurried current circle 27.
First buffer board 9 is identical as 12 structure of the second buffer board, and the first buffer board 9 and the second buffer board 12 are circular cone Shape.
36 lower end of cock body is connect with the first valve body 3 by being threadedly engaged.
First slide plate 15, the second slide plate 14, the first slide plate block piece 17 are identical with 25 length of the second slide plate block piece, the filter of the first side Mouth 16 is equipped with filter hole with second side filter mouth 26.
The use process of this example: liquid flows into water inlet 1, flows into valve by the arc filter screen 19 of preventing clogging up device 2 Door is internal, and arc filter screen 19 can filter out the impurity in liquid, if impurities accumulation excessively blocks arc filter screen 19, fluid By the arc filter screen 19 of impact, arc filter screen 19 is driven the first slide plate 15 and the second slide plate 14 to slide backward by resistance, when When first slide plate 15 and the second slide plate 14 slide into the top of the first slide plate block piece 17 and the second slide plate block piece 25 simultaneously, the first side is logical Road 18 and the second wing passage 24 just fully open, and liquid can be filtered the first wing passage 18 of inflow of mouth 16 by the first side and flow into valve again Inside, or the second wing passage 24 of inflow of mouth 26 is filtered by second side and flows into valve internal again, anticlogging effect is reached, simultaneously Filter hole on first side filter mouth 16 and second side filter mouth 26 can filter out the impurity in liquid, by pulling valve rod 5, valve rod 5 Drive the first spool 7 and the second spool 11 to move, when all closures of the first valve body 3, the second valve body 13 is fully open, liquid from Valve internal flows to the second spool 11, then subtracts the throttling element 6 flowed to after stream on the second valve body 13 by the second unhurried current plate 12, and second The plate 12 that flows slowly reduces the spiral groove that liquid is equipped with for reducing fluid flow rate the impact force of the second spool 11, throttling element 6 28 enclose 27 with unhurried current, so that flow velocity and flow of the fluid in the second water outlet 10 are reduced, by pulling valve rod 5, when the second valve When body 13 is all closed, the first valve body 3 is fully open, and liquid flows to the first spool 7 from valve internal, then passes through the first unhurried current plate 9 flow to the throttling element 6 on the first valve body 3, flow to the first water outlet 8 finally by throttling element 6, throttling element 6 is by 7 He of the first spool The opening direction of second spool 11 successively increases, and is conducive to adjust flow velocity and flow, when pulling valve rod 5, the first spool 7 or the second When spool 11 is not completely closed, liquid can flow to the first water outlet 8 and the second water outlet 10,4 upper end of valve rod sealing device respectively The effect of dustband 30 be that external dust and the foreign matter that is attached on valve rod 5 is prevented to enter the close device 4 of valve rod, prevent damage valve Bar 5；First rubber ring 35 and second its side of rubber ring 34 are squeezed, the preload for keeping its lateral by its flexible deformation Power keeps valve rod 5 to seal；There is stainless steel leaf spring inside the general plug envelope 32 of lower end, becomes respectively to the radially inner and outer elasticity of valve rod 5 Shape, when having pressure inside the first valve body 3, fitting valve rod 5 that can be closer keeps sealing, and sealing effect is good, it is ensured that without letting out Leakage.
The beneficial effects of the present invention are: having filtering function, anti-blockage function and high leakproofness, the use of valve body is improved Service life increases throttling element, can good control flow, improve the flexibility that valve uses.
One or more embodiments of the invention is described in detail above, but the content be only it is of the invention compared with Good embodiment, should not be considered as limiting the scope of the invention.It is all according to equivalent change made by the present patent application range With improve etc., should still be within the scope of the patent of the present invention.

Claims (5)

1. a kind of three-way control valve of adjustable-flow, it is characterised in that: including water inlet, the first valve body, the second valve body, valve rod Sealing device, valve rod, preventing clogging up device and throttling element, the water inlet, first valve body are mutually interconnected with second valve body Logical setting, the valve rod sealing device are arranged in first valve body upper end, and the valve rod sealing device is connected with the valve rod It connects, the valve rod is arranged through first valve body and second valve body, and the preventing clogging up device is arranged in the water inlet Interior, first valve body includes the first spool, the first unhurried current plate and the first water outlet, second valve body include the second spool, Second unhurried current plate and the second water outlet, first spool and second spool are fixed on the valve rod, described First unhurried current plate is fixed at first spool lower end, and the second unhurried current plate is fixed on second spool End, the throttling element are separately positioned in first water outlet and second water outlet, and the valve rod sealing device includes Cock body, the first retaining ring, dustband, the first rubber ring, the second rubber ring, general plug envelope, the second retaining ring and gasket, the cock body are arranged On the valve rod, in cock body inner upper end, the dustband is arranged below first retaining ring for the first retaining ring setting, First rubber ring is arranged below the dustband, and the second retaining ring setting is described general in the cock body interior lower end Plug envelope is arranged above second retaining ring, and the second rubber ring setting exists in the general plug side of sealing up, the gasket setting The cock body lower end, first retaining ring, the dustband, first rubber ring, second rubber ring, the general plug Envelope, second retaining ring and the gasket are fixedly connected with the cock body, and the preventing clogging up device includes the first slide plate, second Slide plate, arc filter screen, the first wing passage, the second wing passage, the first side filter mouth, second side filter mouth, the first slide plate block piece, second Slide plate block piece, the first spring, second spring, the first spring-support plate and second spring support plate, the first slide plate block piece with The second slide plate block piece is symmetricly set on the water inlet inner wall, and first slide plate slides are arranged in first slide plate On block piece, second slide plate slides are arranged on the second slide plate block piece, the arc filter screen and first slide plate It is fixedly connected with second slide plate, first wing passage and second wing passage are symmetricly set on the water inlet inner wall In, the first side filter mouth setting is arranged in first wing passage front end, second side filter mouth in second wing passage Front end, in first wing passage rear end, the second spring support plate is arranged described for the first spring-support plate setting Second wing passage rear end, first spring and the second spring are respectively fixedly disposed at first spring-support plate and institute It states in second spring support plate.
2. the three-way control valve of adjustable-flow according to claim 1, it is characterised in that: the throttling element is in cylinder Shape, the throttling element are provided with multiple, and the distribution density of the multiple throttling element is along first spool and second spool Opening direction is sequentially increased, and the outer wall of the throttling element offers spiral groove and unhurried current circle.
3. the three-way control valve of adjustable-flow according to claim 1, it is characterised in that: first buffer board and institute It is identical to state the second buffer board structure, first buffer board is coniform with second buffer board.
4. the three-way control valve of adjustable-flow according to claim 1, it is characterised in that: the cock body lower end with it is described First valve body is by being threadedly engaged connection.
5. the three-way control valve of adjustable-flow according to claim 1, it is characterised in that: first slide plate, it is described Second slide plate, the first slide plate block piece are identical with the second slide plate block piece length, the first side filter mouth and described second It filters mouth and is equipped with filter hole in side.
CN201810380967.5A 2018-04-25 2018-04-25 A kind of three-way control valve of adjustable-flow Pending CN110397762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810380967.5A CN110397762A (en) 2018-04-25 2018-04-25 A kind of three-way control valve of adjustable-flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810380967.5A CN110397762A (en) 2018-04-25 2018-04-25 A kind of three-way control valve of adjustable-flow

Publications (1)

Publication Number Publication Date
CN110397762A true CN110397762A (en) 2019-11-01

Family

ID=68319946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810380967.5A Pending CN110397762A (en) 2018-04-25 2018-04-25 A kind of three-way control valve of adjustable-flow

Country Status (1)

Country Link
CN (1) CN110397762A (en)

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Application publication date: 20191101

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