WO2021114900A1 - Soupape d'étanchéité vectorielle - Google Patents

Soupape d'étanchéité vectorielle Download PDF

Info

Publication number
WO2021114900A1
WO2021114900A1 PCT/CN2020/123709 CN2020123709W WO2021114900A1 WO 2021114900 A1 WO2021114900 A1 WO 2021114900A1 CN 2020123709 W CN2020123709 W CN 2020123709W WO 2021114900 A1 WO2021114900 A1 WO 2021114900A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
cavity
valve body
vector
sealing ring
Prior art date
Application number
PCT/CN2020/123709
Other languages
English (en)
Chinese (zh)
Inventor
张振民
颜廷波
韦俊
张宗普
黎正刚
李险峰
Original Assignee
贵州鼐衡科技有限公司
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 贵州鼐衡科技有限公司 filed Critical 贵州鼐衡科技有限公司
Publication of WO2021114900A1 publication Critical patent/WO2021114900A1/fr

Links

Images

Classifications

    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/224—Details of bearings for the axis of rotation
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation
    • 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
    • F16K1/48—Attaching valve members to screw-spindles
    • 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
    • F16K27/0218—Butterfly 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles

Definitions

  • the invention belongs to the technical field of valves, and specifically relates to a vector sealing valve.
  • valves used both domestically and internationally, most of which have butterfly valves, ball valves, and gate valves as their main structures and structures. Most of this type of valves are bulky and heavy; the installation size is long; the sealing effect is poor; the opening and closing torque and torque requirements are large; the power required for opening and closing using electric or pneumatic actuators is relatively large; and the service life is greater. It is short, and contradicts the current specifications and standards of various valve wells, chambers and other facilities in the use environment. Often a large-diameter valve is installed in a small valve well or chamber (inside) or the valve is installed first and then the well is built.
  • a Chinese patent application (application number 201610012625.9) discloses a valve that includes a valve body, a valve shaft, and a valve plate.
  • the valve plate and valve shaft are connected to the valve body.
  • the surface of the valve plate is provided with a nesting surface.
  • a spherical surface consistent with the inner cavity of the valve is provided.
  • a Chinese patent application (application number 201710509089.8) discloses a valve that uses thin-walled nesting to be embedded in the valve body cavity to achieve a sealing fit with the valve plate.
  • the thin-walled nesting is difficult to process, the processing accuracy is difficult to control, and the processing cost is high.
  • the technical problem to be solved by the present invention is to provide a vector sealing valve to solve the problems existing in the prior art.
  • a vector sealing valve including a valve body, a valve plate and a valve shaft.
  • the valve plate is rotatably connected to the valve body through a valve shaft fixedly connected to the valve body.
  • the cavity is set as a hemispherical cavity, and the other half of the inner cavity is a cylindrical cavity.
  • the cylindrical cavity is embedded with a vector sealing ring.
  • the inner surface of the vector sealing ring and the hemispherical cavity of the valve body form a spherical section cavity.
  • the radial outer surface of the valve plate is consistent with the spherical section cavity. .
  • a transition or interference fit is adopted between the vector sealing ring and the valve body.
  • the other half of the inner cavity of the valve body has a stepped hole structure, and the outer end of the vector sealing ring is provided with a flange. After the vector sealing ring is embedded in the stepped hole structure, the flange is fastened to the valve body by screws.
  • a gap is maintained between the inner end of the vector sealing ring and the inner end of the stepped hole structure, and the gap is not greater than 1 mm.
  • an annular packing ring is installed between the inner end of the stepped hole structure at the inner end of the vector sealing ring and the inner end of the hemispherical cavity of the valve body, and the inner height of the packing ring is higher than the surface of the spherical section cavity.
  • the inner end of the vector seal ring has a conical surface structure with a small inside and a large outside.
  • the inner end of the hemispherical cavity of the valve body is provided with a conical surface structure symmetrical to the conical surface structure.
  • the packing ring is extruded on the conical surface. Between structure one and cone structure two.
  • the diameter of the inner cavity of the valve body is greater than 0.025%-8% of the diameter of the valve body.
  • the above-mentioned vector seal valve further includes an adjustment support pin, the adjustment support pin is arranged on the opposite side of the valve shaft, the inner end of which is a ball head supporting the valve plate, and the outer end is axially movably connected by threads
  • the support valve plate at the ball head support is a spherical groove.
  • valve shaft sealing ring is provided at the connection between the valve shaft and the valve body.
  • valve plate When assembling, place the valve plate in the hemispherical cavity in the valve body to ensure that the valve shaft hole on the valve plate is facing the valve shaft hole on the valve body.
  • the inner end of the valve shaft is provided with a hexagonal head. With the hexagonal hole on the head, insert the valve shaft through the valve shaft hole on the valve body into the valve shaft hole on the valve plate, thereby connecting the valve plate to the valve shaft, and screw the adjustment support pin into the valve body , Adjust the upper end of the support pin to abut against the spherical groove on the valve plate, insert the vector sealing ring into the valve body and fix it, and complete the installation of the valve.
  • the present invention adopts the axial division method to set the valve inner cavity into a two-half structure (half the inner surface of the vector sealing ring serves as), and the vector sealing ring serves as a half spherical cavity, making the spherical cavity
  • the processing of the section cavity reduces the difficulty of processing the inner spherical surface, and the processing cost is greatly reduced.
  • the vector seal ring is also easier to process.
  • the vector seal ring is pressed in axially, which is also convenient for the entire spherical section cavity and the spherical section of the valve plate.
  • the radial clearance adjustment makes the sealing between the two better.
  • the valve only involves the main components of the valve body, valve shaft, valve plate and vector sealing ring. The production requirements are simple.
  • the invention also has the characteristics of more convenient assembly and disassembly. ;
  • interference fit method can achieve the sealing performance and connection reliability between the valve body and the vector seal ring.
  • the transition fit is used for easy installation and can be used with the seal ring to achieve sealing;
  • the stepped hole structure is convenient for embedding the vector sealing ring of the flange structure into the stepped hole structure to further strengthen the connection reliability of the vector sealing ring;
  • the gap is set to facilitate the adjustment of the position between the inner spherical cavity surface of the vector sealing ring and the outer spherical surface of the valve plate, so that the sealing performance is better;
  • the packing ring can elastically contact the outer surface of the valve plate, and cooperate with the hard seal of the spherical section cavity to realize the flexible and hard combined sealing of the valve, reduce the processing requirements of the spherical section cavity and the spherical surface of the valve plate, and reduce the manufacturing cost.
  • the tapered surface structure plays the role of anti-dropping limit fastening of the packing ring and the installation guide of the vector seal ring;
  • the vector sealing ring is fixed by interference or transition fit, the connection is reliable, the crimping method is adopted, and the installation is convenient, and the outer diameter of the vector sealing ring is larger than the inner hole of the pipe, which can prevent falling off and further improve the safety of use;
  • valve body of the valve structure is thinner, and the flanges of the pipes on both sides are connected to both sides of the valve body, and the installation structure is more compact.
  • Figure 1 is a schematic front view of the structure of the present invention
  • Figure 2 is a schematic diagram of the rear view structure of the present invention.
  • Figure 3 is a schematic view of the A-A cross-sectional structure of Figure 1 (hard seal);
  • Figure 4 is a schematic view of the B-B cross-sectional structure of Figure 1 (hard seal);
  • Figure 5 is a schematic top view of the structure of the present invention (hard seal);
  • Figure 6 is a schematic view of the bottom structure of the present invention (hard seal);
  • FIG. 7 is a schematic diagram of the valve body structure (hard seal).
  • Figure 8 is a schematic diagram of the valve plate structure
  • Figure 9 is a schematic diagram of the vector seal ring structure (hard seal).
  • Figure 10 is a schematic view of the A-A cross-sectional structure of Figure 1 (flexible seal);
  • Figure 11 is a schematic diagram of the B-B cross-sectional structure of Figure 1 (flexible seal);
  • Figure 12 is a schematic top view of the structure of the present invention (flexible seal);
  • Figure 13 is a schematic view of the bottom structure of the present invention (flexible seal);
  • Figure 14 is a schematic diagram of the valve body structure (flexible seal).
  • Figure 15 is a schematic diagram of the vector seal ring structure (flexible seal).
  • vector sealing It is a way to achieve the requirements of sealing performance by realizing mutual natural variables between surfaces (contact) through the physical properties and morphology of the material.
  • a rigid-sealed vector-sealed valve includes a valve body 1, a valve plate 2 and a valve shaft 3.
  • the valve plate 2 is rotatably connected by a valve shaft 3 fixedly connected to it
  • the axial half of the inner cavity of the valve body 1 is set as a hemispherical cavity
  • the other half of the inner cavity is a cylindrical cavity.
  • the cylindrical cavity is embedded with a vector sealing ring 4, the inner surface of the vector sealing ring 4 and the valve body 1 are hemispherical
  • the cavity constitutes a spherical section cavity, and the radially outer surface of the valve plate 2 is consistent with the spherical section cavity.
  • a transition or interference fit is adopted between the vector sealing ring 4 and the valve body 1.
  • the other half of the inner cavity of the valve body 1 has a stepped hole structure
  • the outer end of the vector sealing ring 4 is provided with a flange plate 6, and the vector sealing ring 4 is embedded in the stepped hole structure and then the flange plate 6 is fastened to the valve body by screws 5 1 on.
  • the gap is not greater than 1 mm, which facilitates the adjustment of the position between the inner spherical cavity surface of the vector sealing ring and the outer spherical surface of the valve plate, and makes the sealing performance better.
  • the diameter of the inner cavity of the valve body 1 is greater than 0.025%-8% of the diameter of the valve body 1 and can bear the axial force of the valve plate, meeting the requirements of thinning the valve body and having a lighter weight.
  • the above-mentioned vector seal valve further includes an adjustment support pin 8, which is arranged on the opposite side of the valve shaft 3, the inner end of which is a ball head that supports the valve plate 2, and the outer end can be pivoted through a thread. It is connected to the valve body 1 movably.
  • the support valve plate 2 at the ball head support is a spherical groove.
  • the adjustment support pin plays a role of supporting rotation.
  • the ball head and the spherical groove form a point contact, which has better orientation and greater friction. small.
  • an elastic valve shaft sealing ring 9 is provided at the connection between the valve shaft 3 and the valve body 1, and a gap is provided at the connection between the valve shaft 3 and the valve body 1, and the gap is 0.15-0.5mm.
  • the outer surface of the valve plate 2 and the valve The gap of the spherical section cavity in the body 1 is 0.005-0.1mm.
  • the valve shaft is almost free from shearing force, only the torsion moment when the valve is opened, so that the shaft diameter of the valve shaft can be simplified, the valve body structure is greatly reduced, the length becomes thinner, and the weight is greatly reduced.
  • the service life is also greatly prolonged, the valve plate can be greatly thinned, the medium passing section ratio is large, the resistance is small, the installation size is short, the spherical section cavity is rigidly sealed, and the sealing effect is better, which effectively solves the problem of the valve shaft in the prior art. Excessive force caused problems such as heavy structure, short service life, long installation size, small media passage section ratio, and large resistance.
  • Both the back water side and the water inlet side of the valve plate are provided with recessed conical faces, which can increase the cross-sectional ratio of the flow, reduce the medium resistance, reduce the weight of the valve plate, increase the load of the valve plate, and have a longer service life.
  • the valve body 1 is provided with a mounting flange 10 in the circumferential direction.
  • the mounting flange is arranged with a plurality of through holes 11.
  • a combined seal vector seal valve includes a valve body 1, a valve plate 2 and a valve shaft 3.
  • the valve plate 2 passes through a valve shaft 3 fixedly connected to it. It is rotatably connected to the valve body 1.
  • the axial half of the inner cavity of the valve body 1 is set as a hemispherical cavity, and the other half of the inner cavity is a cylindrical cavity.
  • the cylindrical cavity is embedded with a vector sealing ring 4, and the inner surface of the vector sealing ring 4 is connected to the valve body.
  • the hemispherical cavity of the body 1 constitutes a spherical section cavity, and the radially outer surface of the valve plate 2 is consistent with the spherical section cavity.
  • the other half of the inner cavity of the valve body 1 has a stepped hole structure
  • the outer end of the vector sealing ring 4 is provided with a flange plate 6, and the vector sealing ring 4 is embedded in the stepped hole structure and then the flange plate 6 is fastened to the valve body by screws 5 1 on.
  • the gap is not greater than 1 mm, which facilitates the adjustment of the position between the inner spherical cavity surface of the vector sealing ring and the outer spherical surface of the valve plate, and makes the sealing performance better.
  • an annular packing ring 7 is installed between the inner end of the vector sealing ring 4 and the inner end of the hemispherical cavity of the valve body 1.
  • the inner height of the packing ring 7 is higher than the surface of the spherical section cavity, and the packing ring elastically contacts the valve plate On the outer surface, cooperate with the rigid seal of the spherical section cavity to realize the flexible and rigid combined sealing of the valve, reduce the processing requirements of the spherical section cavity and the spherical surface of the valve plate, and reduce the manufacturing cost.
  • the inner end of the vector seal ring 4 is an inner small outer Large cone surface structure 1.
  • the inner end of the hemispherical cavity of the valve body 1 is provided with a cone surface structure 2 symmetrical to the cone surface structure 1.
  • the packing ring 7 is squeezed between the cone surface structure 1 and the cone surface structure 2.
  • the structure plays the role of packing ring anti-off limit fastening and vector sealing ring 4 installation guide.
  • the diameter of the inner cavity of the valve body 1 is greater than 0.025%-8% of the diameter of the valve body 1 and can bear the axial force of the valve plate, meeting the requirements of thinning the valve body and having a lighter weight.
  • the above-mentioned vector seal valve with combined seal further includes an adjustment support pin 8, which is arranged on the opposite side of the valve shaft 3, the inner end of which is a ball head supporting the valve plate 2, and the outer end passes through The thread can be axially movably connected to the valve body 1.
  • the support valve plate 2 at the ball head support is a spherical groove.
  • the adjustment support pin plays a role of supporting rotation.
  • the ball head and the spherical groove form a point contact, which has better orientation. The friction is smaller.
  • an elastic valve shaft sealing ring 9 is provided at the connection between the valve shaft 3 and the valve body 1, and a gap is provided at the connection between the valve shaft and the valve body.
  • the gap is 0.15-0.5mm.
  • the outer surface of the valve plate and the valve body have a spherical cross-section.
  • the cavity gap is 0.005-0.1mm.
  • the valve body structure is greatly reduced, the length becomes thinner, the weight is greatly reduced, and the service life is greatly extended.
  • the valve plate can be greatly thinned, the medium passing section ratio is large, the resistance is small, the installation size is short, the rigid sealing of the spherical section cavity, and the elastic sealing of the packing ring, the sealing effect is better, and it effectively solves the existing valve in the prior art. Excessive force on the shaft causes the problems of heavy structure, short service life, long installation size, small media passage section ratio, and large resistance.
  • Both the back water side and the water inlet side of the valve plate are provided with recessed conical faces, which can increase the cross-sectional ratio of the flow, reduce the medium resistance, reduce the weight of the valve plate, increase the load of the valve plate, and have a longer service life.
  • the valve body 1 is provided with a mounting flange 10 in the circumferential direction.
  • the mounting flange is arranged with multiple through holes 11.
  • the flanges of the pipe ends on both sides should be connected to both sides of the mounting flange.
  • the bolt is fixedly connected, and the water stop gasket is also arranged at the installation flange connection.
  • valve opening and closing operation of the two embodiments the valve is torsion the valve plate through the valve shaft, the valve plate rotates 90 degrees in the spherical cavity of the valve body to open and close, and the medium is closed by the valve plate It is realized by the interaction of the spherical surface consistent with the valve body 1 that the valve plate and the spherical section cavity are rigidly sealed or the combination of the packing ring is added to seal the flow-stopping medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

La présente invention concerne une soupape d'étanchéité vectorielle comprenant un corps de soupape (1), une plaque de soupape (2) et une tige de soupape (3). La plaque de soupape (2) est raccordée de manière rotative au corps de soupape (1) au moyen de la tige de soupape (3) raccordée à demeure à la plaque de soupape (2) ; la moitié d'une cavité interne du corps de soupape (1) dans la direction axiale est agencée sous la forme d'une cavité hémisphérique, et l'autre moitié de la cavité interne est une cavité cylindrique ; une bague d'étanchéité vectorielle (4) est incorporée dans la cavité cylindrique ; la surface interne de la bague d'étanchéité vectorielle (4) et la cavité hémisphérique forment une cavité de section sphérique ; et la surface latérale externe de la plaque de soupape (2) dans la direction radiale est cohérente avec la cavité de section sphérique. Dans la soupape, selon une cavité interne de corps de soupape de la cavité sphérique, la cavité interne de corps de soupape est conçue en deux moitiés au moyen d'une division axiale, la bague d'étanchéité vectorielle sert de moitié de la cavité sphérique, les coûts sont considérablement réduits, et la bague d'étanchéité vectorielle est plus facile à traiter et est également avantageuse dans le réglage de la performance d'étanchéité entre la cavité sphérique et la surface radiale de la plaque de soupape. La soupape ne concerne que les composants principaux suivants : le corps de soupape, la tige de soupape, la plaque de soupape et la bague d'étanchéité vectorielle, de telle sorte que la structure de soupape est davantage simplifiée, la fabrication est plus simple, et le montage et le démontage sont plus commodes.
PCT/CN2020/123709 2019-12-13 2020-10-26 Soupape d'étanchéité vectorielle WO2021114900A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911279402.9A CN110939742A (zh) 2019-12-13 2019-12-13 一种矢量密封也阀
CN201911279402.9 2019-12-13

Publications (1)

Publication Number Publication Date
WO2021114900A1 true WO2021114900A1 (fr) 2021-06-17

Family

ID=69910860

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/123709 WO2021114900A1 (fr) 2019-12-13 2020-10-26 Soupape d'étanchéité vectorielle

Country Status (2)

Country Link
CN (1) CN110939742A (fr)
WO (1) WO2021114900A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110939742A (zh) * 2019-12-13 2020-03-31 贵州鼐衡科技有限公司 一种矢量密封也阀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938544A (en) * 1974-05-28 1976-02-17 Bernaerts Henry J Valve with heat transport monitor for leakage determining rate
CN1140813A (zh) * 1995-07-18 1997-01-22 黄作兴 调节型蝶阀
CN201651391U (zh) * 2010-03-22 2010-11-24 永高股份有限公司 双边由令球阀
CN105508633A (zh) * 2016-01-11 2016-04-20 张振民 也阀
CN107084249A (zh) * 2017-06-28 2017-08-22 张振民 也阀
CN110939742A (zh) * 2019-12-13 2020-03-31 贵州鼐衡科技有限公司 一种矢量密封也阀
CN211009930U (zh) * 2019-12-13 2020-07-14 贵州鼐衡科技有限公司 一种矢量密封也阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938544A (en) * 1974-05-28 1976-02-17 Bernaerts Henry J Valve with heat transport monitor for leakage determining rate
CN1140813A (zh) * 1995-07-18 1997-01-22 黄作兴 调节型蝶阀
CN201651391U (zh) * 2010-03-22 2010-11-24 永高股份有限公司 双边由令球阀
CN105508633A (zh) * 2016-01-11 2016-04-20 张振民 也阀
CN107084249A (zh) * 2017-06-28 2017-08-22 张振民 也阀
CN110939742A (zh) * 2019-12-13 2020-03-31 贵州鼐衡科技有限公司 一种矢量密封也阀
CN211009930U (zh) * 2019-12-13 2020-07-14 贵州鼐衡科技有限公司 一种矢量密封也阀

Also Published As

Publication number Publication date
CN110939742A (zh) 2020-03-31

Similar Documents

Publication Publication Date Title
CN101806363B (zh) 一种高温高压双向平衡截止阀
WO2021114900A1 (fr) Soupape d'étanchéité vectorielle
CN111120683A (zh) 一种上装式深海自密封球阀
CN201259012Y (zh) 一种自紧密封截止阀
CN115929941A (zh) 零死水的超纯管路t型隔膜阀
CN201344269Y (zh) 对夹式蝶阀
CN211009930U (zh) 一种矢量密封也阀
CN112283386A (zh) 一种超低温上装式系列化浮动球阀
CN209444830U (zh) 一种截门开关
CN107781446B (zh) 双向压万向自动补偿阀座卡环压板型阀门
CN107763241B (zh) 双向压万向自动补偿阀座侧阀盖型阀门
CN115059774B (zh) 一种低扭矩球阀
CN113757396A (zh) 一种偏置式启动矢量密封也阀
CN207005311U (zh) 也阀
CN219774861U (zh) 一种全密封防尘球阀
CN216200649U (zh) 一种伸缩式矢量密封也阀结构
CN107842628B (zh) 双向压万向自动补偿阀座压板型阀门
CN111734835A (zh) 一种轴流式切断阀
CN213271060U (zh) 一种全金属硬碰硬双向压蝶阀
CN214063847U (zh) 一种超低温上装式系列化浮动球阀
CN219975437U (zh) 一种密封性更好的球阀
CN220770188U (zh) 一种偏心半球阀门
CN210141333U (zh) 一种可调节阀座上装式固定球阀
CN216242372U (zh) 一种法兰衬胶蝶阀
CN219062506U (zh) 一种气动球阀的内衬结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20898624

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20898624

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 01/12/1205A)

122 Ep: pct application non-entry in european phase

Ref document number: 20898624

Country of ref document: EP

Kind code of ref document: A1