CN108547982B - A kind of controllable angle-style check-valves of aperture - Google Patents
A kind of controllable angle-style check-valves of aperture Download PDFInfo
- Publication number
- CN108547982B CN108547982B CN201810229781.XA CN201810229781A CN108547982B CN 108547982 B CN108547982 B CN 108547982B CN 201810229781 A CN201810229781 A CN 201810229781A CN 108547982 B CN108547982 B CN 108547982B
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- valve
- sleeve
- valves
- valve core
- core
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Classifications
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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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and 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
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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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
- F16K25/00—Details relating to contact between valve members and seat
- F16K25/005—Particular materials for seats or closure elements
-
- 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
- F16K27/0209—Check valves or pivoted 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre 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
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
Abstract
The present invention relates to a kind of controllable angle-style check-valves of aperture, and the invention mainly comprises valve body, sleeve, big valve core, valve deck, valve rod, seal assembly, electric operators.Its principle is, by controlling the stroke of big valve core, to limit the stroke for four small valve cores arranged around it, small valve core under the force of a spring, realizes the non-return effect to fluid.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only medium is allowed to flow to a direction, to try to avert accidents.And the place that the present invention is different from conventional check valves is, is shunted using four small valve cores, has preferable stability.On the other hand, the present invention can drive big valve core to control aperture by electric operator, be more in line with the automation control requirement of modern industry.The controllable angle-style check-valves of this aperture have it is easy to operate, it is easy for installation, it is safe and reliable the advantages that.
Description
Technical field
The present invention relates to check-valves technical fields, are related specifically to a kind of controllable angle-style check-valves of aperture.
Background technique
Check-valves refers to the valve for flowing by medium itself and automatically turning on, closing, also known as non-return valve, check valve, inverse
Flow valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, and main function is to prevent medium from flowing backwards, and prevents from pumping and driving electricity
The water hammer pressure that generates when motivation is out of service suddenly and vessel media are released.Check-valves can also be used in therein
The auxiliary system that pressure may be raised above system pressure is provided on the pipeline of supply.It is domestic at present to use most common check-valves master
There are swing check valve, lift check valve, butterfly swing check valve, Slow Close Valve, ball check valve and multiple flow passages check-valves,
Above-mentioned valve majority is applied in straight pipe, and is all that can only play on-off action, rarely has the check-valves for realizing controllable aperture
Appear in it is present in the market.
The present invention relates to a kind of controllable angle-style check-valves of aperture, principles to be for summary of the invention, passes through the row of control big valve core
Journey, to limit the stroke for four small valve cores arranged around it, small valve core under the force of a spring, realizes the non-return to fluid
Effect.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only medium is allowed to flow to a direction
It is dynamic, to try to avert accidents.And the place that the present invention is different from conventional check valves is, is shunted, is had using four small valve cores
Preferable stability.On the other hand, the present invention can drive big valve core to control aperture by electric operator, more accord with
Close the automation control requirement of modern industry.
Realizing technical solution used by above-mentioned purpose is:
A kind of controllable angle-style check-valves of aperture, including valve body, sleeve, big valve core, sleeve upper cover, guide sleeve, valve deck, full spiral shell
Line stud and nut, valve rod, seal assembly, clamp nut, bracket, to folder nut and electric operator;
The valve body is equipped with valve deck and is fixed by full thread stud and nut;Valve deck is equipped with bracket and passes through compression
Nut is fixed, and bracket is equipped with electric operator;
The inlet and outlet intersection of the valve body is equipped with sleeve, and valve rod runs through bracket, valve deck, and reaches sleeve;Valve rod
Seal assembly is equipped between valve deck;Guide sleeve is equipped between valve rod and sleeve upper cover;Described valve rod one end and electronic execution machine
Structure is fixedly connected, and the other end is threadedly coupled with big valve core;Electric operator by valve rod drive big valve core along center line
It moves up and down;
Circumferentially position is evenly arranged four groups of core assemblies in the sleeve, and every group of core assembly includes small valve core, key, bullet
Spring and spool bracket;Spring is installed between small valve core and spool bracket, is additionally provided with key on small valve core, is fixed and is determined by key
The endface position that position small valve core is contacted with big valve core.
The big valve core point three Duan Zucheng, by successively cone, cylindrical body and hemisphere from top to bottom;Prevent big valve core standard-sized sheet
When state, small valve core aperture is excessive to cause its lower end surface to be detached from spool.The apex angle of cone is designed as 25~35 °, mainly considers
When the maximum opening of big valve core, small valve core also can achieve maximum opening, at the same time, angle appropriate can satisfy big valve
The power output of required electric operator is sufficiently small when core moves up and down.
Guide vane is provided in the entrance of the valve body, distance of circular arc of the guide vane at sleeve apart from valve rod axle center is
1.2~1.5 times of excircle of sleeve diameter;For water conservancy diversion, Anti-knocking, flow point in future is the lumen of two strands of importing valves.
The lumen diameter of the valve body is 1.5 times for importing and exporting diameter.
Sleeve upper cover and guide sleeve are interference fit, using hot cover process.
The sealing surface of the contact surface of the small valve core and big valve core, small valve core and sleeve carries out cure process.
The cure process is nitriding or pile-up welding hard alloy, to improve its wearability, to improve the controllable angle-style of aperture
The service life of check-valves.
Check-valves working principle of the present invention:
With the movement of electric operator, valve rod drives big valve core to move up and down along the center line of valve rod.When big valve
When core is located at least significant end, four small valve cores, which will be in, shuts state, and with the rising of big valve core, the end face of small valve core bottom
It will appear one section of spacing between big valve core, here it is the maximum displacements that small valve core at this time can be opened.When big valve core is in complete
When open state, in the case where incoming-flow pressure is sufficiently large, small valve core will also can achieve maximum opening, and as aperture is controllable at this time
The full-gear of angle-style check-valves.
The beneficial effects of the present invention are:
(1) compared to the valve being mounted on straight pipe, the present invention can be directly installed on pipeline corner, reduce pipeline
Number of ports.
(2) it is compared to traditional check-valves, the aperture that the present invention realizes check valve spool is adjustable, is more suitable for existing
For fields such as industrial automation process controls.
(3) in the design phase, referring especially to the structure of existing angle type control valve, this to manufacture this valve the present invention
When, it directly can directly be processed using sprays such as the valve body valve decks of angle-style sleeve adjusting valve, save die sinking expense, reduced
Production cost, even for consumption inventory valve body valve deck spray play the role of it is positive.(4) of the present invention to open
Spend controllable angle-style check-valves have it is easy to operate, it is easy for installation, it is safe and reliable the advantages that.
Detailed description of the invention
Fig. 1 is a kind of controllable angle-style check valve structure figure of aperture of the present invention.
Fig. 2 is a kind of Section A-A figure of the controllable angle-style check-valves of aperture of the present invention.
Fig. 3 is a kind of core assembly structure chart of the controllable angle-style check-valves of aperture of the present invention.
Fig. 4 is a kind of section B-B figure of the controllable angle-style check-valves of aperture of the present invention.
Fig. 5 is a kind of working principle diagram of the controllable angle-style check-valves of aperture of the present invention, a- small valve core closed state, the small valve of b-
Core open state.
In figure: 1. valve bodies, 2. sleeves, 3. big valve cores, 4. sleeve upper covers, 5. guide sleeves, 6. valve decks, 7. full thread studs and
Nut, 8. valve rods, 9. seal assemblies, 10. clamp nuts, 11. brackets, 12. pairs of folder nuts, 13. electric operators, 22. is small
Spool, 23. keys, 24. springs, 25. spool brackets, 1a. guide vane.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
Fig. 1, Fig. 3 are respectively that the present invention relates to a kind of controllable angle-style check-valves of aperture and the structure charts of each component, including valve
Body 1, sleeve 2, big valve core 3, sleeve upper cover 4, guide sleeve 5, valve deck 6, full thread stud and nut 7, valve rod 8, seal assembly 9,
Clamp nut 10, bracket 11, to folder nut 12 and electric operator 13;
Valve body 1 is equipped with valve deck 6 and is fixed by full thread stud and nut 7;Valve deck 6 is equipped with bracket 11 and passes through pressure
Tight nut 10 is fixed, and bracket 11 is equipped with electric operator 13;
The inlet and outlet intersection of valve body 1 is equipped with sleeve 2, and valve rod 8 runs through bracket 11, valve deck 6, and reaches sleeve 2;Valve
Seal assembly 9 is equipped between bar 8 and valve deck 6;Guide sleeve 5 is equipped between valve rod 8 and sleeve upper cover 4;Described 8 one end of valve rod and electricity
Dynamic executing agency 13 is fixedly connected, and the other end is threadedly coupled with big valve core 3;Electric operator 13 drives big valve by valve rod 8
Core 3 along center line move up and down;
Circumferentially position is evenly arranged four groups of core assemblies in the sleeve 2, and every group of core assembly includes small valve core 22, key
23, spring 24 and spool bracket 25;Spring 24 is installed between small valve core 22 and spool bracket 25, is additionally provided with key on small valve core 22
23, the endface position that small valve core 22 is contacted with big valve core 3 is fixed and positioned by key 23.
The big valve core 3 divides three Duan Zucheng, by successively cone, cylindrical body and hemisphere, the apex angle of cone are from top to bottom
25~35 °.
Guide vane 1a is provided in the entrance of the valve body 1, circular arc of the guide vane 1a at sleeve 2 is apart from 8 axle center of valve rod
Distance be 1.2~1.5 times of 2 outside diameter of sleeve.
The lumen diameter of the valve body 1 is 1.5 times for importing and exporting diameter.
Sleeve upper cover 4 and guide sleeve 5 are interference fit, using hot cover process.
The contact surface, small valve core 22 and the sealing surface of sleeve 2 of the small valve core 22 and big valve core 3 carry out cure process;
The cure process is nitriding or pile-up welding hard alloy.
Assembling of the invention mainly divides three parts to carry out.It is the group of the assembling of sleeve assembly 2, whole valve portion respectively
The assembling of dress and electric operator 13.
The first step, the assembling of core assembly:
As shown in figure 3, be first put into key 23 in the keyway of small valve core 22, then that small valve core 22 is placed on sleeve 2 is corresponding
At window, it is sequentially placed into spring 24 and spool bracket 25 later and makes to be screwed (as shown in Figure 4).Pacify in this approach again
Install other three small valve cores 22.Big valve core 3 and valve rod 8 are combined, by big valve core 3 from sleeve 2 from top to bottom from center
Hole passes through and is placed on the centre of four small valve cores 22.Using hot cover process, guide sleeve 5 is fixed in sleeve upper cover 4.It will set
Cylinder upper cover 4 is penetrated from the upper end of valve rod 8, until the central hole of sleeve 2, is threadably secured.It is machined in sleeve upper cover 4 small
Screw thread is conveniently tightened in hole.
After core assembly is installed, four small valve cores (22) are in close state.
Second step is the assembling of whole valve portion:
First gasket ring is put into the slot of 1 lumen of valve body, is put into before assembled sleeve 2 and tightened.Respectively in valve
Gasket ring is placed into slot in the top flange of body 1 and in the slot of 2 upper end of sleeve.By valve deck 6 from 8 upper end of valve rod penetrate up to
The top flange of valve body 1 is bonded, and fixed using full thread stud and nut 7.
Later, seal assembly 9 is put into the packing cavity on 7 top of valve deck as shown in Figure 5 and is fixed.
Third step is the assembling of electric operator 13:
It is put into valve deck upper end after electric operator 13 is connect with bracket 11, is fixed using clamp nut 10.It is logical
It crosses and folder nut 12 is connected valve rod 8 and electric operator 13.Until this step, of the invention is completed, such as Fig. 1
It is shown.
Working principle are as follows:
Big valve core 3 is controlled by electric operator 13 to move up and down with valve rod 8 along the center line of valve rod 8.
The position of big valve core 3 decides the practical maximum opening of small valve core 22, when big valve core 3 is located at the position of least significant end
When, the maximum opening of small valve core 22 is zero, that is to say, that valve at this time is in close state.When big valve core 3 rises, with
Occurs gap between small valve core 22, the maximum opening of small valve core 22 at this time is not zero.Small valve core is acted on when entrance fluid
When power on 22 is not more than the active force of spring 24, small valve core 22 is still in closed state (as shown in Figure 5 a), that is to say, that
Valve at this time is in close state.When the power of entrance fluid acted on small valve core 22 is greater than the active force of spring 24,
Small valve core 22 opens (as shown in Figure 5 b), that is to say, that valve at this time is in the open state.
To prevent incoming flow from damaging to the impact of small valve core 22 to it, the guide vane for shunting is provided in entrance
The cross section of 1a, guide vane are as shown in Figure 2.This is it is also ensured that the pressure that each small valve core 22 can be balanced more.
When whole valve is in the open state, to closure valve, it is only necessary to 13 dropping signal of electric operator is given,
Big valve core 3 can drop to low side therewith, meanwhile, the conical surface of big valve core 3 can force small valve core 22 along vertical with center spool line
Straight line it is mobile towards sealing surface, until be bonded with the sealing surface on sleeve 21, valve closing.
Protection scope of the present invention is not limited to the above embodiments, also comprising within the scope of present inventive concept other embodiments and
Variation.
Claims (7)
1. a kind of controllable angle-style check-valves of aperture, which is characterized in that including on valve body (1), sleeve (2), big valve core (3), sleeve
Cover (4), guide sleeve (5), valve deck (6), full thread stud and nut (7), valve rod (8), seal assembly (9), clamp nut (10),
Bracket (11), to folder nut (12) and electric operator (13);
The valve body (1) is equipped with valve deck (6) and fixed by full thread stud and nut (7);Valve deck (6) is equipped with bracket
(11) and fixed by clamp nut (10), bracket (11) is equipped with electric operator (13);
The inlet and outlet intersection of the valve body (1) is equipped with sleeve (2), and valve rod (8) runs through bracket (11), valve deck (6), and reaches
To sleeve (2);Seal assembly (9) are equipped between valve rod (8) and valve deck (6);It is equipped with and leads between valve rod (8) and sleeve upper cover (4)
To set (5);Described valve rod (8) one end is fixedly connected with electric operator (13), and the other end is threadedly coupled with big valve core (3);
Electric operator (13) by valve rod (8) drive big valve core (3) along center line move up and down;
Circumferentially position is evenly arranged four groups of core assemblies in the sleeve (2), and every group of core assembly includes small valve core (22), key
(23), spring (24) and spool bracket (25);Spring (24), small valve core are installed between small valve core (22) and spool bracket (25)
(22) it is additionally provided with key (23) on, fixes and position the endface position that small valve core (22) is contacted with big valve core (3) by key (23).
2. a kind of controllable angle-style check-valves of aperture as described in claim 1, which is characterized in that three sections of the big valve core (3) point
Composition, by successively cone, cylindrical body and hemisphere, the apex angle of cone are 25~35 ° from top to bottom.
3. a kind of controllable angle-style check-valves of aperture as described in claim 1, which is characterized in that the entrance of the valve body (1)
In be provided with guide vane (1a), distance of circular arc of the guide vane (1a) at sleeve (2) apart from valve rod (8) axle center be sleeve (2) outside
1.2~1.5 times of circular diameter.
4. a kind of controllable angle-style check-valves of aperture as described in claim 1, which is characterized in that the lumen of the valve body (1) is straight
Diameter is 1.5 times for importing and exporting diameter.
5. a kind of controllable angle-style check-valves of aperture as described in claim 1, which is characterized in that sleeve upper cover (4) and guide sleeve
It (5) is interference fit, using hot cover process.
6. a kind of controllable angle-style check-valves of aperture as described in claim 1, which is characterized in that the small valve core (22) and big valve
Contact surface, small valve core (22) and the sealing surface of sleeve (2) of core (3) carry out cure process.
7. a kind of controllable angle-style check-valves of aperture as claimed in claim 6, which is characterized in that the cure process be nitriding or
Pile-up welding hard alloy.
Priority Applications (1)
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CN201810229781.XA CN108547982B (en) | 2018-03-20 | 2018-03-20 | A kind of controllable angle-style check-valves of aperture |
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CN201810229781.XA CN108547982B (en) | 2018-03-20 | 2018-03-20 | A kind of controllable angle-style check-valves of aperture |
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CN108547982A CN108547982A (en) | 2018-09-18 |
CN108547982B true CN108547982B (en) | 2019-10-01 |
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CN110030389B (en) * | 2019-05-06 | 2023-10-27 | 西南石油大学 | Cage sleeve type throttle valve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2177144Y (en) * | 1993-12-25 | 1994-09-14 | 曾祥炜 | Shuttle type adjusting valve |
CN1752498A (en) * | 2005-10-14 | 2006-03-29 | 中国人民解放军总后勤部油料研究所 | Pressure reducing valve and method thereof |
CN103032580A (en) * | 2012-12-27 | 2013-04-10 | 吴忠中创自控阀有限公司 | Multi-stage throttling regulation valve |
CN206221790U (en) * | 2016-11-25 | 2017-06-06 | 南通龙源电站阀门有限公司 | A kind of labyrinth type antiscour regulating valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005325893A (en) * | 2004-05-13 | 2005-11-24 | Fujikin Inc | Controller |
CN206129406U (en) * | 2013-07-15 | 2017-04-26 | 阿奎利特瑞匹帝申公司 | Flow divider system and have its automobile engine and car |
-
2018
- 2018-03-20 CN CN201810229781.XA patent/CN108547982B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2177144Y (en) * | 1993-12-25 | 1994-09-14 | 曾祥炜 | Shuttle type adjusting valve |
CN1752498A (en) * | 2005-10-14 | 2006-03-29 | 中国人民解放军总后勤部油料研究所 | Pressure reducing valve and method thereof |
CN103032580A (en) * | 2012-12-27 | 2013-04-10 | 吴忠中创自控阀有限公司 | Multi-stage throttling regulation valve |
CN206221790U (en) * | 2016-11-25 | 2017-06-06 | 南通龙源电站阀门有限公司 | A kind of labyrinth type antiscour regulating valve |
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