CN107228227B - Air-flow butterfly valve - Google Patents

Air-flow butterfly valve Download PDF

Info

Publication number
CN107228227B
CN107228227B CN201710477377.XA CN201710477377A CN107228227B CN 107228227 B CN107228227 B CN 107228227B CN 201710477377 A CN201710477377 A CN 201710477377A CN 107228227 B CN107228227 B CN 107228227B
Authority
CN
China
Prior art keywords
valve
pole
center
pipeline
flow
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.)
Active
Application number
CN201710477377.XA
Other languages
Chinese (zh)
Other versions
CN107228227A (en
Inventor
余成鹏
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.)
XI AN HIGH PRESSURE VALVE GROUP Co.,Ltd.
Original Assignee
余成鹏
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 余成鹏 filed Critical 余成鹏
Priority to CN201710477377.XA priority Critical patent/CN107228227B/en
Publication of CN107228227A publication Critical patent/CN107228227A/en
Application granted granted Critical
Publication of CN107228227B publication Critical patent/CN107228227B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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 with pivoted closure-members
    • F16K1/18Lift 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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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 with pivoted closure-members
    • F16K1/18Lift 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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226Shaping or arrangements of the sealing
    • F16K1/2268Sealing means for the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses a kind of air-flow butterfly valve, including pipeline, handle, center-pole and valve plate, center-pole both ends connect valve plate and handle, and center-pole connects valve plate and handle and moves up and down perpendicular to pipeline;Center-pole outer wall is equipped with baffle ring, and the elastic component of reset is equipped between baffle ring and fixed block, and the pipeline includes inflow pipe, and the inside pipe wall that becomes a mandarin is fixed with flow-stopping plate, is equipped with the through-hole passed through for fluid in the middle part of flow-stopping plate, flow-stopping plate is tightly attached to valve plate surface.It can control the opening and closing of valve by the rotation of handle, realize the supply of duration fluid;And also can control the opening and closing of valve by the way of pressing, realize the supply of high frequency on-off.

Description

Air-flow butterfly valve
It is on November 09th, 2015 for the applying date, application No. is 201510756825.0;Entitled air-flow butterfly valve;Hair Bright patent application carries out division
Technical field
The present invention relates to hardware valve arrangement technical fields, it is a kind of air-flow butterfly valve.
Background technique
Currently, the structure of valve includes valve body, it is equipped with valve chamber in valve body, spool is installed in valve chamber, is connected on spool Valve rod.Various valves can be all used in every field such as agricultural, industry, however, with the flowing of various control fluid The valve body of method is less, and it is impossible to meet needs.
In the industrial production, valve is used to control the on-off of air-flow, has both needed endlessly duration supply gas, together When also to meet certain working condition needed for upper frequency on-off supply.
Some manufacturing occasions generally require valve and are frequently opened and closed, and reach the conveying purpose of gas discontinuity. But existing butterfly valve need to constantly be rotated to realize opening and closing function, speed is slower, and the dynamics rotated is larger, therefore difficult To realize that high frequency opens and closes the operation of on-off stream.
Summary of the invention
Goal of the invention of the invention is to provide a kind of air-flow butterfly valve to solve the problems, such as that butterfly valve is difficult to high frequency opening and closing, can With the opening and closing operation of high speed, the high speed on-off stream of fluid is realized, while also sustainable through-flow.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme:
Air-flow butterfly valve controls the valve plate of opening and closing, center-pole two including pipeline, rotatable handle, center-pole and rotation End connection valve plate and handle, the valve plate are located in pipeline, and the handle is located at pipeline outer wall, between the pipeline and center-pole It is additionally provided with fixed block and sealing ring, center-pole is arranged in fixed block and sealing ring, and the center-pole connects with pipeline, fixed block sliding It connects, center-pole connects valve plate and handle and moves up and down perpendicular to pipeline;The pipeline includes inflow pipe, the inside pipe wall that becomes a mandarin It is fixed with flow-stopping plate, is equipped with the through-hole passed through for fluid in the middle part of flow-stopping plate, flow-stopping plate is tightly attached to valve plate surface;It is described to be located at fixation Center-pole outer wall above block is equipped with baffle ring, is arranged with the elastic component for resetting center-pole upwards, the elastic component on center-pole Between baffle ring and fixed block.
Further, the flow-stopping plate is in " ◎ " shape, and valve plate and through-hole are circle, the diameter difference of the through-hole and valve plate The maximum distance moved up and down less than center-pole.
Further, valve deck is additionally provided with above the pipeline, the valve deck is fixed on above pipeline outer wall by fastener, The fixed block, sealing ring and baffle ring are respectively positioned in valve deck, and fixed block is mutually fixed with valve deck inner wall, and baffle ring is driven by center-pole It moves back and forth between fixed block and valve deck roof.
Further, the attached chamber moved up and down for valve plate, the shape of the attached chamber are equipped in the pipeline below the valve plate It is matched with valve plate.
Further, the handle is in the form of a column, and handle top is dome, and sheet or strip are additionally provided on the side wall of handle Lever.
Compared with prior art, it using the air-flow butterfly valve of above-mentioned technical proposal, has the following beneficial effects:
One, using air-flow butterfly valve of the invention, the on-off of fluids within pipes (including gas and liquid) may be implemented first, It can continue to be that production link provides required fluid, be used to control the opening and closing of butterfly valve core part by swing handle, reach To purpose that is persistently through-flow and closing.
Two, secondly, handle can drive the valve plate of center-pole to move up and down, it is former that elastic component can provide recovery for center bar The constance force of position, makes valve be in normally off.By pressing handle downwards, the production of through-hole and valve plate discontinuity in the middle part of flow-stopping plate Raw gap, fluid can be circulated by through-hole and gap, due to the effect of elastic component, it can be achieved that quickly pressing and returning for handle Bullet achievees the purpose that high frequency opens and closes spool, realizes fluid in the high speed on-off stream supply in valve.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (closed state) of air-flow butterfly valve of the present invention;
Fig. 2 is the structural schematic diagram (high frequency open/close states) of air-flow butterfly valve of the present invention;
Fig. 3 is the structural schematic diagram (continuing open state) of air-flow butterfly valve of the present invention;
Fig. 4 is the operation schematic diagram of flow-stopping plate and valve plate in the present invention.
Appended drawing reference: 1, center-pole;10, baffle ring;2, valve plate;3, pipeline;31, inflow pipe;32, outflow tube;4, valve deck; 40, fastener;5, fixed block;6, sealing ring;7, spring;8, handle;80, lever;9, attached chamber;90, flow-stopping plate.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Air-flow butterfly valve as shown in Figures 1 to 3, including pipeline 3, valve deck 4, valve plate 2, center-pole 1, handle 8,5 and of fixed block Sealing ring 6.Valve deck 4 is located at 3 top of pipeline, and fixed block 5 is fixed on 4 inner wall of valve deck, and center-pole 1 passes through fixed block 5, fixed block 5 Center-pole 1 can be made more stable, 1 both ends of center-pole are separately connected handle and valve plate 2, and valve plate 2 is located inside pipeline, and handle is located at 4 top of valve deck.
Valve deck is fixed on above pipeline by fastener 40 (such as bolt screw), facilitates the disassembly and installation of valve deck, when After damage occurs in valve internal, valve casing 4 can be taken away by fastener 40, to be overhauled to the component in pipeline, greatly The service life for increasing valve greatly, reduces costs.
Valve plate 2 in the present embodiment is circular sheet metal spool, drives valve plate 2 to rotate by swing handle, realizes The on-off of gas in pipelines.
Center-pole 1 is slidably connected with valve deck, fixed block 5, and center-pole 1 can drive handle and valve plate to move up and down.Center-pole 1 Outer wall be further fixed on baffle ring 10, between baffle ring 10 and fixed block 5 be equipped with spring, spring pocket be set to 1 outer wall of center-pole, valve plate 2 It is equipped with flow-stopping plate 90 (flow-stopping plate is made of air-locked material such as elastic rubber) in towards the pipeline of 31 side of water inlet, baffle Plate 90 is in " ◎ " shape, section is arc-shaped and fits closely with 2 outer wall of valve plate, annular flow-stopping plate 90 and the more easy sticker of valve plate 2 It closes, sealing performance is be more good.
Flow-stopping plate 90 is set to the inflow pipe side of valve plate 2, and when valve plate 2 is closed, the pressure in inflow pipe, which is higher than, to flow At pipe, thus flow-stopping plate 90 by by pressure tightly push down and be close to 2 surface of valve plate, increase air-tightness.
As shown in figure 4, valve plate 2 and through-hole are circle, the diameter difference of the through-hole and valve plate 2, which is less than on center-pole, to be moved down Dynamic maximum distance.The maximum value of the mobile spacing of valve plate 2 subtracts the diameter difference of both through-hole and valve plate 2, when as valve plate 2 pushes The size of the gap size of generation, gap determines air-flow velocity.
The side wall for pressing formula handle is equipped with lever 80, and convenient for users to rotating to handle, next can also be used for differentiating The open/close states of spool.
The pipeline of 2 lower section of valve plate is equipped with attached chamber 9, and attached chamber 9 can increase the distance that valve plate 2 moves up and down, if lacking attached Chamber 9 then needs to carry out the inner diameter of pipeline into increase by a relatively large margin, so that valve plate 2 moves up and down, therefore adds attached chamber After 9, the diameter of pipeline can be greatly reduced.
The air-flow butterfly valve of the present embodiment shares 2 kinds of usage modes: high frequency on-off stream mode and lasting through-flow mode.
Continue through-flow mode:
As shown in Figure 1, butterfly valve is in the state closed, under the action of the spring, spring contradicts baffle ring 10 and fixed block 5, Since fixed block 5 is fixed on valve deck inner wall, baffle ring 10 is mortgaged by spring, and valve plate 2 is completely obscured by the through-hole on flow-stopping plate 90, Under the action of air pressure, the surface for fitting in valve plate 2 of flow-stopping plate 90 tightly, air-tightness is strong, is not easy gas leakage.
As shown in figure 3, valve plate 2 is turned to the angle in Fig. 3, spool is opened, and gas can be smooth by rotating handles 8 Pass through.
High frequency on-off stream mode:
As shown in Figure 1, handle is turned to the position Fig. 2, spool is in close state, and fluid can not pass through.
As shown in Fig. 2, at this time by pressing handle 8, drive valve plate 2 and baffle ring 10 to be pressed downward center-pole 1, valve plate 2 with Gap (as shown in Figure 4) is generated between flow-stopping plate 90, while 10 compressed spring of baffle ring, is produced above valve plate 2 and flow-stopping plate 90 at this time Certain gap is given birth to, the fluid in pipeline is flowed by gap, and gas is flowed out out of butterfly valve.
When hand no longer presses handle, baffle ring 10 moves up under the action of the spring to set back, and drives center-pole 1, valve plate 2 and handle move up together, and valve plate closes the through-hole on flow-stopping plate 90 again under the action of the spring, at this time valve It is again at closed state, valve stops ventilation.
Air-flow butterfly valve in the present embodiment can also carry out on-off and control to liquid fluid other than can be with on-off gas System, the present embodiment and without excessive restriction.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (3)

1. air-flow butterfly valve controls the valve plate of opening and closing including pipeline (3), rotatable handle (8), center-pole (1) and rotation (2), center-pole (1) both ends connection valve plate (2) and handle (8), the valve plate (2) are located in pipeline (3), handle (8) position Fixed block (5) and sealing ring (6), center-pole (1) are additionally provided between pipeline (3) outer wall, the pipeline (3) and center-pole (1) It is arranged in fixed block (5) and sealing ring (6), it is characterised in that:
The center-pole (1) is slidably connected with pipeline (3), fixed block (5), and center-pole (1) connects valve plate (2) and handle (8) simultaneously It is moved up and down perpendicular to pipeline (3);
The pipeline (3) includes inflow pipe (31), and inflow pipe (31) inner wall is fixed with flow-stopping plate (90), in flow-stopping plate (90) Portion is equipped with the through-hole passed through for fluid, and flow-stopping plate (90) is tightly attached to valve plate (2) surface;
Center-pole (1) outer wall above fixed block (5) is equipped with baffle ring (10), and center-pole is arranged on (1) by center-pole (1) elastic component (7) resetted upwards, the elastic component (7) are located between baffle ring (10) and fixed block (5);
The flow-stopping plate (90) is in " ◎ " shape, and valve plate (2) and through-hole are circle, and the through-hole and the diameter difference of valve plate (2) are small In the maximum distance that center-pole (1) moves up and down;
Be equipped with the attached chamber (9) moved up and down for valve plate (2) in pipeline (3) below the valve plate (2), the shape of the attached chamber with Valve plate (2) matches.
2. air-flow butterfly valve according to claim 1, it is characterised in that: be additionally provided with valve deck (4), institute above the pipeline (3) It states valve deck (4) to be fixed on above pipeline (3) outer wall by fastener, the fixed block (5), sealing ring (6) and baffle ring (10) are equal In valve deck (4), fixed block (5) is mutually fixed with valve deck (4) inner wall, and baffle ring (10) is driven by center-pole (1) and moved back and forth Between fixed block (5) and valve deck (4) roof.
3. air-flow butterfly valve according to claim 1, it is characterised in that: the handle (8) is in the form of a column, and is at the top of handle (8) Dome is additionally provided with the lever (80) of sheet or strip on the side wall of handle (8).
CN201710477377.XA 2015-11-09 2015-11-09 Air-flow butterfly valve Active CN107228227B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710477377.XA CN107228227B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710477377.XA CN107228227B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve
CN201510756825.0A CN105240541B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510756825.0A Division CN105240541B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve

Publications (2)

Publication Number Publication Date
CN107228227A CN107228227A (en) 2017-10-03
CN107228227B true CN107228227B (en) 2019-03-29

Family

ID=55038308

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201510756825.0A Expired - Fee Related CN105240541B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve
CN201710477377.XA Active CN107228227B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201510756825.0A Expired - Fee Related CN105240541B (en) 2015-11-09 2015-11-09 Air-flow butterfly valve

Country Status (1)

Country Link
CN (2) CN105240541B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240541B (en) * 2015-11-09 2017-07-28 荆门市中金铝业铸造有限公司 Air-flow butterfly valve
CN107166069B (en) * 2015-11-16 2019-03-29 余成鹏 Controllable time-lapse faucet
CN110150971A (en) * 2018-02-11 2019-08-23 广东美的生活电器制造有限公司 Liquid heater tool
CN113503368B (en) * 2021-08-23 2022-09-16 蒋雪莲 Abrasion-free soft sealing butterfly valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591875A (en) * 1982-06-28 1984-01-07 Fuji Kinzoku Kosaku Kk Butterfly valve
US4660592A (en) * 1986-03-21 1987-04-28 Williams Mack H Butterfly valve
CN2864251Y (en) * 2006-01-11 2007-01-31 郑兴 Hand-operated butterfly valve with stopping indicating means
DE102008051816A1 (en) * 2008-10-15 2010-04-29 Volkswagen Ag Setting shaft unit producing method for intake manifold of internal combustion engine, involves attaching bearing block at setting shaft and moving bearing block in axial direction along setting shaft at respective predetermined positions
CN201954012U (en) * 2011-03-30 2011-08-31 浙江正洲泵阀制造有限公司 Double-plate butterfly valve of track
CN205155170U (en) * 2015-11-09 2016-04-13 余成鹏 Air current butterfly valve
CN105240541B (en) * 2015-11-09 2017-07-28 荆门市中金铝业铸造有限公司 Air-flow butterfly valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100577561B1 (en) * 2004-01-12 2006-05-08 삼성전자주식회사 Apparatus to control exhaust pressure of equipment for manufacturing semiconductor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591875A (en) * 1982-06-28 1984-01-07 Fuji Kinzoku Kosaku Kk Butterfly valve
US4660592A (en) * 1986-03-21 1987-04-28 Williams Mack H Butterfly valve
CN2864251Y (en) * 2006-01-11 2007-01-31 郑兴 Hand-operated butterfly valve with stopping indicating means
DE102008051816A1 (en) * 2008-10-15 2010-04-29 Volkswagen Ag Setting shaft unit producing method for intake manifold of internal combustion engine, involves attaching bearing block at setting shaft and moving bearing block in axial direction along setting shaft at respective predetermined positions
CN201954012U (en) * 2011-03-30 2011-08-31 浙江正洲泵阀制造有限公司 Double-plate butterfly valve of track
CN205155170U (en) * 2015-11-09 2016-04-13 余成鹏 Air current butterfly valve
CN105240541B (en) * 2015-11-09 2017-07-28 荆门市中金铝业铸造有限公司 Air-flow butterfly valve

Also Published As

Publication number Publication date
CN107228227A (en) 2017-10-03
CN105240541A (en) 2016-01-13
CN105240541B (en) 2017-07-28

Similar Documents

Publication Publication Date Title
CN107228227B (en) Air-flow butterfly valve
CN206682326U (en) A kind of pipeline valve device
CN203836242U (en) Butterfly-gate-type throttle valve
CN204345034U (en) A kind of compressed natural gas guide electromagnetic valve
CN202674409U (en) Bi-directional free transform one-way valve
CN107940048A (en) Self-enclosed gas safety valving
CN203223574U (en) Valve
CN205155170U (en) Air current butterfly valve
CN202195112U (en) Control valve
CN202252228U (en) Limit structure for butterfly valve and butterfly plate
CN205064932U (en) Centrifugal pump tee bend structure of admitting air
CN100590340C (en) Water segregator capable of adjusting flux
CN103968083A (en) Gas-liquid valve
CN208417581U (en) A kind of water purification spool of dial type up and down
CN207131887U (en) A kind of butterfly valve with ventilation function
CN106015660A (en) Quick closing check valve
CN206159541U (en) Reflex -type electric T -shaped valve
CN205260868U (en) Butterfly valve
CN201129541Y (en) Non-return and cut-off integrated valve
CN204729650U (en) A kind of antisweat butterfly valve being applicable to small pipeline
CN110425312A (en) A kind of air conditioning shape threeway rectifying valve
CN103216631A (en) Valve
CN204533555U (en) A kind of valve
CN219221347U (en) Ball valve for industrial fluid delivery
CN205013723U (en) Soft seal combination formula plate valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200528

Address after: 710118, No. 25, development avenue, Changan science and Technology Park, Xi'an hi tech Zone, Shaanxi

Patentee after: XI AN HIGH PRESSURE VALVE GROUP Co.,Ltd.

Address before: Wencheng County of Wenzhou City, Zhejiang province 325300 Zhang Tai Xiang Xing Chuan Cun

Patentee before: Yu Chengpeng

TR01 Transfer of patent right