WO2019080365A1 - Valve rod connecting structure for sealing water valve, and sealing water valve - Google Patents

Valve rod connecting structure for sealing water valve, and sealing water valve

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Publication number
WO2019080365A1
WO2019080365A1 PCT/CN2018/000372 CN2018000372W WO2019080365A1 WO 2019080365 A1 WO2019080365 A1 WO 2019080365A1 CN 2018000372 W CN2018000372 W CN 2018000372W WO 2019080365 A1 WO2019080365 A1 WO 2019080365A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
valve
valve stem
valve body
fastener
Prior art date
Application number
PCT/CN2018/000372
Other languages
French (fr)
Chinese (zh)
Inventor
张南新
Original Assignee
新化县新园电子陶瓷有限公司
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 新化县新园电子陶瓷有限公司 filed Critical 新化县新园电子陶瓷有限公司
Publication of WO2019080365A1 publication Critical patent/WO2019080365A1/en

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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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle

Definitions

  • the invention relates to the technical field of water valve structures, in particular to a valve stem joint structure for sealing a water valve. Further, the present invention relates to a seal water valve including the above-described valve stem joint structure for sealing a water valve.
  • Angle valves and faucets are commonly used domestic sealed water valves, and the water flow control part often adopts a spool mechanism.
  • the existing valve body mechanism has a complicated structure, including a valve sleeve, a valve stem, a moving piece, a static piece, a sealing ring and other auxiliary structures, and needs to be waterproof and leakproof inside the valve core mechanism and between the valve body mechanism and the valve body. Measures, and double-layer waterproof and leak-proof measures will contact the water flow erosion in the valve body cavity. Once there is leakage in one part, it will easily lead to leakage of the entire valve body structure.
  • valve stem is one of the frequently rotating parts in the sealing water valve, and it is difficult to completely seal between the valve stem and the surrounding structure, generally sealed by a sealing ring, but once the water enters and contacts the sealing ring, the valve When the rod is frequently rotated, the seal ring is easily worn out, causing water leakage.
  • the invention provides a valve stem connecting body structure and a sealing water valve for sealing a water valve, so as to solve the technical problem that the existing sealing water valve has a complicated structure, short service life, short service life and easy water leakage.
  • a valve stem joint structure for sealing a water valve comprising a fastener for sealing a valve body control mechanism assembly port of a seal seal water valve, for controlling a valve body control mechanism
  • a fastener for sealing a valve body control mechanism assembly port of a seal seal water valve, for controlling a valve body control mechanism
  • An open and closed valve stem and a rotor for being arranged as a part of the valve body control mechanism in the body cavity of the sealing water valve body by rotationally fitting to form fluid passages of different radial sizes, the valve stem being assembled to the valve body by a fastener
  • the movable piece On the assembly port of the control mechanism, the movable piece is connected to the valve stem and rotates with the valve stem, and the upper end surface of the movable piece and the lower end surface of the fastener are used for sealing the valve stem to be enclosed by the movable piece and the fastener.
  • the fit and sealing fit in the cavity comprising a fastener for sealing a valve body control mechanism assembly port of
  • the extending end of the valve stem extending into the valve body cavity of the sealing water valve is provided as a connecting portion for connecting the moving piece of the sealing water valve
  • the upper end surface of the movable piece is provided with a connection for connecting and accommodating the connecting portion
  • the groove, the lower end surface of the rotor is disposed for sealing engagement with the static seal of the sealing water valve and is rotationally fitted by the surface contact to close the fluid passage or form a sealing surface of the fluid passage of different radial dimensions.
  • connection between the connecting portion and the connecting groove is at least one of screwing, plugging, snapping, socketing, inserting, hot-melt welding, and bonding.
  • the fastener includes a valve body sealing cover for sealing the sealing valve body control mechanism assembly opening, and the valve body sealing cover lower portion is provided with a sealing and fastening connection with the valve body control mechanism assembly port inner cavity and the sealing water valve.
  • the static piece is in close contact with the sealing portion of the sealing contact, and the upper part of the valve body sealing cover is provided with a biasing portion for applying force when the sealing portion is connected with the valve body; the force applying portion, the valve body sealing cover and the sealing portion are integrally formed.
  • the integral part has a through hole for sealing the valve stem in the middle of the unit.
  • At least one outer sealing groove for accommodating the sealing ring for accommodating the seal between the sealing member and the valve body is circumferentially opened between the sealing portion and the valve body sealing cover; the outer surface of the sealing portion is provided for the valve
  • the external control thread of the body control mechanism is fitted with a threaded internal thread, and the external thread is a continuous thread or an external thread is provided with a check groove for preventing the thread from being reversely released after the thread is fitted.
  • At least two layers are arranged between the wall of the through hole and the valve stem and arranged in a ring shape in the circumferential direction for axial movement and radial movement restriction of the valve stem to ensure stability of the circumferential rotation of the valve stem.
  • the positioning ring is fixed in the first positioning groove formed by the outer surface of the valve stem and/or the positioning ring is fastened in the second positioning groove formed by the through hole of the fastener.
  • the movable piece includes a sealing section for connecting with the valve stem and the fastener to close the cavity where the valve stem is located and adjusting the rotation of the movable piece, and for sealing contact with the static piece and engaging by rotating cooperation
  • the adjustment section of the fluid passage of different radial dimensions, the shape of the end face of the adjustment section matches the shape of the inlet opening on the static piece.
  • corner portion of the adjustment section and/or the corner portion between the adjustment section and the sealing section are provided with a diagonal strut structure for increasing the strength of the wall.
  • the outer wall surface of the rotor is provided with a limiting member for engaging with the wall body of the sealing water valve body to limit the circumferential rotation range of the rotor.
  • a sealed water valve comprising the above-described valve stem joint structure for sealing a water valve.
  • the invention is used for sealing a valve stem connecting structure of a water valve.
  • the valve stem is assembled on a valve body control mechanism assembly opening of the sealing water valve by a fastener, and the movable piece is connected to the end of the valve stem and is matched with the fastener.
  • the valve stem is placed in the sealed cavity formed by the fastener and the moving piece, so that the sealing cavity where the valve stem is located is completely isolated from the water flow passage of the valve body cavity, and the valve stem is completely isolated from the water flow passage of the valve body cavity. Avoid the occurrence of wear during the frequent rotation of the valve stem and cause leakage of water around the valve stem.
  • the fastener When the fastener is assembled, the fastener is pressed and pressed against the moving piece, and the moving piece is pressed and pressed against the static piece, thereby forming an upper and lower double-layer sealing structure of the rotating part of the water flow control mechanism in the sealing water valve, ensuring the moving piece.
  • water will not seep from the water flow adjustment channel; combined with the static seal between the fastener and the valve body and between the static plate and the valve body, thereby ensuring the leakage prevention performance of the entire sealing water valve, effectively extending The service life of the sealed water valve.
  • the valve stem is connected to the inner cavity of the moving piece, and the channel of the moving piece and the static piece can be matched by twisting the valve stem to realize water flow control, and the whole structure has few accessories, and the sealing part is required to be sealed, and the assembly is simple.
  • the traditional complex valve core control mechanism is changed, and the movable piece and the static piece are directly pressed into the valve body cavity by the fasteners, and the control mechanism assembly port of the valve body is sealed, and the movable piece directly disposed in the valve body cavity is used.
  • the structure is simple and stable, the sealing part is less, the static sealing stability in the valve body cavity is good, the dynamic sealing reliability is high, and the service life of the sealing water valve is good. high.
  • FIG. 1 is a schematic structural view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention
  • FIG. 2 is a second structural schematic view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of a fastener according to a preferred embodiment of the present invention.
  • FIG. 4 is a perspective structural view of a rotor of a preferred embodiment of the present invention.
  • Figure 5 is a top plan view of a rotor of a preferred embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic structural view of a valve stem connecting body structure for sealing a water valve according to a preferred embodiment of the present invention
  • 2 is a schematic structural view of a fastener according to a preferred embodiment of the present invention
  • FIG. 4 is a perspective structural view of a rotor of a preferred embodiment of the present invention
  • FIG. 5 is a schematic top plan view of a rotor of a preferred embodiment of the present invention.
  • the valve stem connecting structure for sealing a water valve of the embodiment includes a fastener 1 for sealing a valve body control mechanism assembly opening of the sealing water sealing valve, and is used for controlling the valve body control.
  • a valve stem 2 that is opened and closed by the mechanism, and a movable piece 3 that is disposed as a part of the valve body control mechanism in the body cavity of the sealing water valve body by rotationally fitting to constitute fluid passages of different radial sizes, and the valve stem 2 passes through the fastener 1 is assembled on the assembly opening of the valve body control mechanism, the movable piece 3 is connected to the valve stem 2 and rotates with the valve stem 2, and the upper end surface of the movable piece 3 and the lower end surface of the fastener 1 are used for sealing the valve stem 2 The sealing piece 3 is engaged with the sealing body formed in the cavity formed by the fastener 1 .
  • valve stem connecting structure for sealing the water valve the valve stem 2 is assembled on the valve body control mechanism assembly opening of the sealing water valve by the fastener 1, and the movable piece 3 is connected to the end of the valve stem 2 and is attached to the fastener 1
  • the sealing rod is matched so that the valve stem 2 is in the sealed cavity formed by the fastening of the fastener 1 and the movable piece 3, so that the sealing cavity where the valve stem 2 is located is completely isolated from the water flow passage of the valve body cavity, and the valve stem 2 is completely isolated. Outside the water flow passage of the valve body cavity, the wear of the valve stem 2 during frequent rotation is avoided to cause leakage of water around the valve stem 2.
  • the fastener 1 When the fastener 1 is assembled, the fastener 1 is pressed and pressed against the movable piece 3, and the movable piece 3 is pressed and pressed against the static piece, thereby forming an upper and lower double seal of the rotating part of the water flow control mechanism in the sealing water valve.
  • the structure ensures that the rotating piece 3 does not seep from the water regulating passage during the rotation adjustment, and combines the static sealing between the fastener 1 and the valve body and between the static piece and the valve body, thereby ensuring the entire sealing water valve. Anti-leakage performance, effectively extending the service life of the sealed water valve.
  • the valve stem 2 is connected to the inner cavity of the movable piece 3, and the valve plate 2 can be twisted to realize the passage of the movable piece 3 and the static piece to realize the water flow control, and the whole structural parts are few, and the connection part 201 which needs to be sealed is small, and the assembly is simple. .
  • the traditional complex valve core control mechanism is changed, and the fastener 1 is directly used to abut the movable piece 3 and the static piece in the valve body cavity and seal the valve body control mechanism assembly port, and is directly disposed in the valve body cavity.
  • valve stem 2 and the movable piece 3 cooperates to realize the water circulation in the valve body cavity; the structure is simple and stable, the sealing part is small, the static sealing stability in the valve body cavity is good, the dynamic sealing reliability is high, and the sealing water valve is high. High service life.
  • a split flat structure may be adopted between the valve stem 2 and the movable piece 3, or an integral structure formed integrally.
  • the valve stem 2 and the movable piece 3 are integrally formed and integrally formed, and may be a glass body, a ceramic body, a metal body or a plastic body.
  • valve stem 2 and the movable piece 3 can be selected according to the need, so that the valve stem 2 transmits the torque control rotor 3 to rotate, so as to achieve precise adjustment control of the water flow passage in the valve body cavity.
  • the outer corners of the fastener 1 are all set to arc angles to prevent collision damage or damage to the periphery.
  • the inner corners of the fasteners 1 are all set to chamfers or arc angles to prevent collision damage between each other during assembly; at the same time, forming a guiding structure during assembly, guiding the assembly into the assembly position, and improving assembly efficiency Improve assembly accuracy.
  • At least one of the fastener 1, the valve stem 2, and the rotor 3 is a glass body, a plastic body, a metal body or a ceramic body.
  • the vitreous body is injection molded with high-strength tempered glass.
  • the internal structure of the valve body can be seen, the appearance is beautiful, and it can be corrosion-proof. There is no problem of aging of the plastic shell structure and fluid contamination caused by the incoming fluid, environmental protection, health, An Jin.
  • the plastic body can be made of high-strength plastic, and the structure is light and cheap. When used for industrial applications and not used for drinking, it can also be made of waste plastic, metal body, good texture, beautiful appearance, strong: suitable for Use in environments that are not corrosive.
  • the ceramic body has the characteristics of slow heat transfer and uniform heat transfer. Even if it is opened, it is not easy to cause external burning sensation, and it is not easy to cause burns. There is no problem that the plastic shell structure is aged and the fluid flowing into the fluid is contaminated. Health and safety; can withstand high temperature, corrosion resistance, and beautiful appearance.
  • the extending end of the valve stem 2 extending into the valve body cavity of the sealing water valve is provided as a connecting portion 201 for connecting the rotor 3 of the sealing water valve.
  • a connecting groove 301 for connecting and accommodating the connecting portion 201 is opened on the upper end surface of the movable piece 3.
  • the mirror-fit seal between them ensures the structural stability of the dynamic seal and the reliability of the seal.
  • the lower end surface of the rotor 3 is provided as a sealing surface 302 for sealingly mating with the static seal of the sealing water valve and rotationally engaging by surface contact to close the fluid passage or to form fluid passages of different radial dimensions.
  • the connecting portion 201 adopts one of a cylindrical structure, a tapered structure, a tapered structure, a spherical structure, a hemispherical structure, an elliptical structure, and a semi-elliptical structure.
  • the maximum radial dimension of the connecting portion 201 is greater than the radial dimension of the through hole 104 to prevent the assembled valve stem 2 from coming out of the fastener 1.
  • the corner portions of the connecting portion 201 are all disposed at an arc angle to prevent the stress concentration damage caused by the joint connection with the movable piece 3.
  • the valve rod 2 is provided with a connecting structure for assembling the driving device or the force applying structure toward the outwardly extending end of the valve body.
  • the connecting structure is a card slot, a threaded hole, a buckle, a hot-melt welding hole, a plug hole, and a plug connection. At least one of the slots.
  • the axial length of the valve stem 2 is 10 mm to 100 mm; and the radial diameter of the valve stem 2 is 3 mm to 20 mm.
  • connection between the connecting portion 201 and the connecting groove 301 is at least one of screwing, plugging, snapping, socketing, inserting, hot-melt welding, and bonding.
  • the connection between the connecting portion 201 and the connecting groove 301 shown in Fig. 1 is a combination of an inner sleeve and an end plug.
  • the connection between the connecting portion 201 and the connecting groove 301 shown in Fig. 2 is screwed.
  • Different connection modes can be selected according to the needs and the size of the sealing water valve structure to ensure the stability of the connection between the connecting portion 201 and the connecting groove 301, and to ensure accurate control of the flow of water through the valve stem 2.
  • a connection position between the connecting portion 201 and the connecting groove 301 is further provided with a loosening structure for preventing the connecting portion 201 and the connecting groove 301 from being detached from each other.
  • the threaded connection is prevented from loosening by opening the anti-reverse groove.
  • the plug is prevented from being loosened by a buckle or a check protrusion.
  • the snap-in is prevented from being loosened by the anti-reverse buckle.
  • the socket is prevented from being loosened by a buckle or a check protrusion.
  • the insert is secured against loosening by an interference fit. Hot-melt welding or bonding is prevented by loosening of the anti-reverse projection, the anti-reverse buckle or the anti-reverse thread.
  • the fastener 1 includes a valve body sealing cover 101 for sealing the fitting valve body control mechanism assembly opening.
  • the lower portion of the valve body sealing cover 101 is provided with a sealing portion 102 for sealingly fastening the inner cavity of the valve body control mechanism assembly and sealing contact with the static plate of the sealing water valve.
  • the upper portion of the valve body sealing cover 101 is provided with a biasing portion 103 for biasing the sealing portion 102 when it is connected to the valve body.
  • the urging portion 103, the valve body sealing cover 101, and the sealing portion 102 are integrally formed as a single piece.
  • a through hole 104 for sealing the valve stem 2 is axially opened in the middle of the unitary member.
  • the valve stem 2 is assembled in the through hole 104 of the fastener 1 and the fastening connection assembly of the connecting portion 201 and the close contact of the valve body sealing cover 101 with the end surface of the valve body are sealed by applying force to the urging portion 103.
  • the end piece of the connecting portion 201 is pressed against the moving piece 3 to ensure the structural stability of the static piece and the moving piece 3 in the inner cavity of the valve body; the valve stem 2 is connected to the inner cavity of the moving piece 3, and can be realized by twisting the valve stem 2
  • the moving piece 3 cooperates with the passage of the static piece to realize water flow control, and the whole structure has few accessories and simple assembly.
  • the fastener 1 is directly used to press the movable piece 3 and the static piece in the valve body cavity and seal the control mechanism assembly port of the valve body, and the movable piece directly disposed in the valve body cavity is used.
  • 3 cooperate with the rotation of the static piece to realize the water flow in the valve body cavity;
  • the whole fastener 1 structure adopts the injection-molded integral structure, the structure is simple and stable, and the direct connection between the fastener 1 and the valve body is directly performed.
  • the static seal and the dynamic seal between the fastener 1 and the valve stem 2 are sealed at two places, so that the sealing of the valve body control mechanism assembly port can be realized, so that the service life of the seal water valve is obviously improved.
  • the integral component of the urging portion 103, the valve body sealing cover 101 and the sealing portion 102 is a glass body, a plastic body, a metal body or a ceramic body.
  • Different fastener structures can be selected to meet the needs of use and appearance.
  • the vitreous body is injection molded with high-strength tempered heat-resistant glass, which can easily view the internal structure, has good light transmission, beautiful appearance, and can prevent corrosion; there is no problem of plastic structure aging and fluid pollution caused by the incoming fluid, environmental protection and health ,Safety.
  • the plastic body can be made of high-strength plastic, the structure is light, and the price is cheap; when it is used for industrial applications and is not used for drinking, it can also be made of waste plastic.
  • the fastener 1 has an axial length of 5 mm to 20 mm.
  • At least one of the sealing portion 102 and the valve body sealing cover 101 is circumferentially opened for accommodating the sealing ring to constitute the fastener 1 and the valve body.
  • the outer surface of the sealing portion 102 is provided with external threads 106 for threaded engagement with the interior of the body of the valve body control mechanism.
  • the external thread 106 is a continuous thread or the external thread 106 is provided with a check groove 1061 for preventing the thread from being reversely released.
  • the connecting portion of the sealing portion 102 and the valve body, the outer sealing groove 105 and the sealing ring, and the sealing seal between the valve body sealing cover 101 and the end surface of the valve body form a multi-layer seal, and the fastener 1 and the valve body are
  • the static fastening fit ensures the tightness of the joint between the fastener 1 and the valve body.
  • the sealing service life is at least ten times higher than the existing spool valve.
  • the outer seal groove 105 adopts at least one of a semicircular groove, a U-shaped groove, a V-shaped groove, and a dovetail groove.
  • the outer seal groove 105 adopts a narrow groove having an outer narrow inner width.
  • the outer surface of the sealing portion 102 is provided with a fastener, a fitting or an elastic pull member for fastening.
  • the sealing portion 102 and the inner wall body of the valve body control mechanism assembly port are thermally welded.
  • a water seal or an oil seal is provided between the seal portion 102 and the valve body sealing cover 101 for blocking the flow of water and preventing water flow between the fastener 1 and the valve body.
  • a water seal or an oil seal is provided between the sealing portion 102 and the valve body sealing cover 101, or a water seal or an oil seal is formed by a structure between the sealing portion 102 and the valve body sealing cover 101, a connecting portion of the sealing portion 102, a water seal or
  • the sealing water seal formed by the oil seal and the sealing seal between the valve body sealing cover 101 and the end surface of the valve body form a multi-layer seal, and the fastener 1 and the valve body are statically fastened, so that the fastening can be completely ensured.
  • the sealing of the joint between the part 1 and the valve body, the sealing service life is at least ten times higher than the existing valve core valve.
  • the bottom end surface of the sealing portion 102 is provided as a plane for sealing contact with the sealing water valve, and/or the bottom end surface of the sealing portion 102 is provided with a water stop for blocking the flow of water and preventing the flow of water in the radial direction or Water stop ring.
  • Different end faces of the sealing portion 102 can be selected according to requirements to ensure the sealing seal between the sealing portion 102 and the moving piece 3, forming a sealing layer between the fastener 1 and the moving piece 3, and ensuring the sealing water of the entire sealing water valve. To effectively avoid water seepage and water leakage.
  • a plane may be selected, or a water stop or a water stop ring may be added to increase the waterproof and water stopping effect.
  • a sealing water film that is formed by the water side is naturally formed, and the water flow cannot be radially along the sealing surface.
  • At least two layers are arranged between the hole wall of the through hole 104 and the valve stem 2 in a circumferential direction and are used for axially of the valve stem 2 .
  • the movement and radial movement are limited to ensure that the valve stem 2 is circumferentially rotated to adjust the stability of the positioning collar 4.
  • the valve stem 2 is ensured by the positioning ring 4 that the rotating shaft does not shift, and the rotor 3 rotates with the valve stem 2 while ensuring that the rotor 3 does not shift during the rotation of the rotor 3, thereby ensuring the rotor 3 and
  • the rotation adjustment precision of the static piece and the dynamic sealing stability of the position of the upper end surface and the lower end surface of the rotor piece 3 are ensured.
  • the positioning ring 4 is fastened in the first positioning groove 202 formed on the outer surface of the valve rod 2 and/or the positioning ring 4 is fastened in the second positioning groove 1041 of the through hole 104 of the fastener 1 .
  • the setting position and the number of the positioning ring 4 can be flexibly selected to ensure the relative stability between the valve stem 2 and the fastener 1, and the valve stem 2 only has a circumferential rotation motion, thereby avoiding the valve stem. 2 Frictional collision with surrounding components.
  • the fastener 1 and the valve stem 2 and the movable piece 3 form a triangular sealing fit, thereby effectively providing the sealing of the joint portion;
  • the rotation stability of the valve stem 2 can be improved, and the stem 2 is effectively prevented from being deflected.
  • the first positioning groove 202 and/or the second positioning groove 1041 adopt at least one of a semicircular groove, a U-shaped groove, a V-shaped groove and a dovetail groove.
  • the first positioning slot 202 and/or the second positioning slot 1041 adopt a narrow slot with an outer narrow inner width.
  • the outer wall surface of the urging portion 103 is provided with at least one set of opposing force planes for urging; and/or the outer contour shape of the radial section of the urging portion 103 is triangular, quadrangular, pentagonal, One of the hexagons.
  • the outer shape structure of the urging portion 103 can be selected as needed to facilitate the force assembly of the fastener 1, and is suitable for various parts assembly.
  • the movable piece 3 includes a connection for contacting the valve stem 2 and the fastener 1 to close the cavity in which the valve stem 2 is located and realize the movable piece. 3 Rotating the adjusted sealing section 303 and the adjustment section 304 for sealing contact with the static sheet and by rotational fit to form fluid passages of different radial dimensions.
  • the shape of the end face of the adjustment section 304 matches the shape of the inlet opening on the static piece.
  • the movable piece 3 is provided with a plurality of active circulation passages and a plurality of sealing blocks for closing the fixed circulation passages on the static sheets, and the movable circulation passages are arranged at intervals from the sealing blocks.
  • a fixed flow passage of the static piece is simultaneously matched with the movable communication passage of the movable piece 3 .
  • a sealing block of the rotor 3 is simultaneously matched with a plurality of fixed flow passages of the stator.
  • the plurality of movable communication passages of the movable piece 3 communicate with the same water flow output port of the valve body, or the plurality of movable communication channels of the movable piece 3 are respectively connected to different water flow output outlets of the valve body.
  • the plurality of fixed flow passages of the static plate are connected to the same water flow input port of the valve body, or the plurality of fixed flow passages of the static plate are respectively connected to different water flow input ports of the valve body.
  • the moving piece 3 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm.
  • the axial height of the static piece is 2 mm to 30 mm; and the radial diameter is 5 mm to 30 mm.
  • the corner portion of the adjustment section 304 and/or the corner portion between the adjustment section 304 and the seal section 303 are provided with a diagonal stay structure 305 for increasing the strength of the wall.
  • the outer wall surface of the movable piece 3 is provided with a limiting member 306 for engaging with the inner wall of the sealing water valve body to restrict the circumferential rotation range of the movable piece 3.
  • the sealing water valve of this embodiment includes the above-described valve stem connecting structure for sealing the water valve.
  • a connecting rod structure for sealing a water valve is provided, and the valve stem 2 is inserted and fitted in the through hole 104 of the fastener 1 through the fastener 1 on the valve body control mechanism assembly port of the valve body Make a tight connection.
  • the valve stem 2 end connecting portion 201 is inserted or screwed into the connecting groove 301 of the rotor 3.
  • the fastener 1 is assembled and pressed to limit the axial position of the rotor 3 and the stator, while the radial movement of the rotor 3 is restricted by the valve stem 2 to restrict the axial movement and radial movement of the rotor 3, ensuring
  • the movable piece 3 can only rotate along the circumferential direction of the valve stem 2, thereby ensuring a stable sealing surface dynamic sealing fit between the movable piece 3 and the fastener 1, so that the valve stem 2 is sealed with the fastener 1 and the moving
  • the cavity formed by the sheet 3 is arranged to effectively prevent water in the valve body cavity from entering the cavity where the valve stem 2 is located to come into contact with the valve stem 2 and leak from between the valve stem 2 and the fastener 1.
  • the valve stem connecting structure of the sealing water valve of the invention completely changes the traditional valve core structure, completely solves the problem that the traditional valve core structure is easy to cause water flow from the valve due to the frequent rotation of the valve stem 2 in the case of water contact with the sealing rubber ring.
  • the problem of leakage around the periphery of the rod 2. Compared with the traditional valve core structure, the structure is simpler, and the combination of compression and fitting ensures the structural stability of the rotation control part, and the size of the entire sealing water valve can be reduced while maintaining the original water quantity control, so that the entire seal The water valve is smaller, which reduces the cost of materials.

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

Abstract

Disclosed are a valve rod connecting structure for a sealing water valve, and a sealing water valve. The valve rod connecting structure for a sealing water valve comprises a fastener (1), a valve rod (2) used for controlling the opening and closing of a valve body control mechanism, and a moving plate (3) provided in an inner cavity of a sealing water valve body as a part of the valve body control mechanism to form fluid passages of different radial sizes by means of running fit. The valve rod (2) is assembled onto a valve body control mechanism assembling opening by means of the fastener (1). The moving plate (3) is connected to the valve rod (2) and rotates along with the valve rod (2). The valve rod (2) is sealed in a chamber formed by attachment and sealing fit between the upper end face of the moving plate (3) and the lower end face of the fastener (1). Water flow in the inner cavity of the valve body is enabled or disabled by means of the running fit between the moving plate and a static plate directly provided in the inner cavity of the valve body, so that sealing links are fewer, the dynamic sealing reliability is high, and the service life of the sealing water valve is long.

Description

用于密封水阀的阀杆连体结构及密封水阀Stem connecting structure and sealing water valve for sealing water valve 技术领域Technical field
本发明涉及水阀门结构技术领域，特别地，涉及一种用于密封水阀的阀杆连体结构。此外，本发明还涉及一种包括上述用于密封水阀的阀杆连体结构的密封水阀。The invention relates to the technical field of water valve structures, in particular to a valve stem joint structure for sealing a water valve. Further, the present invention relates to a seal water valve including the above-described valve stem joint structure for sealing a water valve.
背景技术Background technique
角阀和水龙头都是现有比较常用的家用密封水阀，其水流控制部分往往采用阀芯机构。现有阀芯机构结构复杂，包括有阀套、阀杆、动片、静片、密封圈以及其它附属结构，需要进行阀芯机构内部以及阀芯机构与阀体之间双层的防水防漏措施，并且双层的防水防漏措施均会接触到阀体内腔的水流侵蚀，一旦有一个部分存在渗漏，很容易导致整个阀体结构的渗漏。Angle valves and faucets are commonly used domestic sealed water valves, and the water flow control part often adopts a spool mechanism. The existing valve body mechanism has a complicated structure, including a valve sleeve, a valve stem, a moving piece, a static piece, a sealing ring and other auxiliary structures, and needs to be waterproof and leakproof inside the valve core mechanism and between the valve body mechanism and the valve body. Measures, and double-layer waterproof and leak-proof measures will contact the water flow erosion in the valve body cavity. Once there is leakage in one part, it will easily lead to leakage of the entire valve body structure.
另一方面，阀杆是密封水阀中频繁转动的部件之一，而阀杆与周边结构之间很难进行完全密封，一般采用密封圈密封，但是一旦水流进入并与密封圈接触，在阀杆频繁转动下极易磨损密封圈造成向外漏水的现象。On the other hand, the valve stem is one of the frequently rotating parts in the sealing water valve, and it is difficult to completely seal between the valve stem and the surrounding structure, generally sealed by a sealing ring, but once the water enters and contacts the sealing ring, the valve When the rod is frequently rotated, the seal ring is easily worn out, causing water leakage.
发明内容Summary of the invention
本发明提供了一种用于密封水阀的阀杆连体结构及密封水阀，以解决现有密封水阀结构复杂，使用年限短寿命短，容易导致漏水的技术问题。The invention provides a valve stem connecting body structure and a sealing water valve for sealing a water valve, so as to solve the technical problem that the existing sealing water valve has a complicated structure, short service life, short service life and easy water leakage.
根据本发明的一个方面，提供一种用于密封水阀的阀杆连体结构，包括用于密封封盖密封水阀的阀体控制机构装配口的紧固件、用于控制阀体控制机构开闭的阀杆以及用于作为阀体控制机构的一部分设置在密封水阀阀体内腔中通过转动配合以构成不同径向尺寸的流体通道的动片，阀杆通过紧固件装配于阀体控制机构装配口上，动片连接在阀杆上并随阀杆转动，动片的上端面与紧固件的下端面之间采用用于使阀杆密封于动片与紧固件围合形成的腔体内的贴合密封配合。According to an aspect of the present invention, a valve stem joint structure for sealing a water valve is provided, comprising a fastener for sealing a valve body control mechanism assembly port of a seal seal water valve, for controlling a valve body control mechanism An open and closed valve stem and a rotor for being arranged as a part of the valve body control mechanism in the body cavity of the sealing water valve body by rotationally fitting to form fluid passages of different radial sizes, the valve stem being assembled to the valve body by a fastener On the assembly port of the control mechanism, the movable piece is connected to the valve stem and rotates with the valve stem, and the upper end surface of the movable piece and the lower end surface of the fastener are used for sealing the valve stem to be enclosed by the movable piece and the fastener. The fit and sealing fit in the cavity.
进一步地，阀杆伸入密封水阀的阀体内腔中的伸入端设置为用于连接密封水阀的动片的连接部，动片的上端面上开设有用于连接和容纳连接部的连接槽，动片的下端面设置为用于与密封水阀的静片紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流体通道的密封面。Further, the extending end of the valve stem extending into the valve body cavity of the sealing water valve is provided as a connecting portion for connecting the moving piece of the sealing water valve, and the upper end surface of the movable piece is provided with a connection for connecting and accommodating the connecting portion The groove, the lower end surface of the rotor is disposed for sealing engagement with the static seal of the sealing water valve and is rotationally fitted by the surface contact to close the fluid passage or form a sealing surface of the fluid passage of different radial dimensions.
进一步地。连接部与连接槽之间的连接采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。further. The connection between the connecting portion and the connecting groove is at least one of screwing, plugging, snapping, socketing, inserting, hot-melt welding, and bonding.
进一步地，紧固件包括用于密封封盖阀体控制机构装配口的阀体密封盖，阀体密封盖下部设有用于与阀体控制机构装配口内腔密封紧固连接和与密封水阀的静片紧贴密封接触的密 封部，阀体密封盖的上部设有用于密封部与阀体连接时施力的施力部；施力部、阀体密封盖和密封部三者为一体制作成型的整体件，整体件中部沿轴向开设有用于密封装配阀杆的贯通孔。Further, the fastener includes a valve body sealing cover for sealing the sealing valve body control mechanism assembly opening, and the valve body sealing cover lower portion is provided with a sealing and fastening connection with the valve body control mechanism assembly port inner cavity and the sealing water valve. The static piece is in close contact with the sealing portion of the sealing contact, and the upper part of the valve body sealing cover is provided with a biasing portion for applying force when the sealing portion is connected with the valve body; the force applying portion, the valve body sealing cover and the sealing portion are integrally formed. The integral part has a through hole for sealing the valve stem in the middle of the unit.
进一步地，密封部与阀体密封盖之间沿周向开设有至少一个用于容纳密封圈以构成紧固件与阀体之间密封的外密封槽；密封部的外表面设有用于与阀体控制机构装配口内腔螺纹配合的外螺纹，外螺纹为连续螺纹或者外螺纹上开设有用于防止螺纹配合后逆向松脱的止逆槽。Further, at least one outer sealing groove for accommodating the sealing ring for accommodating the seal between the sealing member and the valve body is circumferentially opened between the sealing portion and the valve body sealing cover; the outer surface of the sealing portion is provided for the valve The external control thread of the body control mechanism is fitted with a threaded internal thread, and the external thread is a continuous thread or an external thread is provided with a check groove for preventing the thread from being reversely released after the thread is fitted.
进一步地，贯通孔的孔壁与阀杆之间设有至少二层沿周向布置成环状并用于对阀杆进行轴向运动和径向运动限制以保证阀杆周向转动调节稳定性的定位环圈，定位环圈卡固于阀杆外表面开设的第一定位槽内和/或定位环圈卡固于紧固件的贯通孔孔壁开设的第二定位槽内。Further, at least two layers are arranged between the wall of the through hole and the valve stem and arranged in a ring shape in the circumferential direction for axial movement and radial movement restriction of the valve stem to ensure stability of the circumferential rotation of the valve stem. The positioning ring is fixed in the first positioning groove formed by the outer surface of the valve stem and/or the positioning ring is fastened in the second positioning groove formed by the through hole of the fastener.
进一步地，动片包括用于与阀杆和紧固件连接接触以封闭阀杆所处空腔和实现动片转动调节的密封段以及用于与静片贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段，调节段的端面形状与静片上的进水开口形状相匹配。Further, the movable piece includes a sealing section for connecting with the valve stem and the fastener to close the cavity where the valve stem is located and adjusting the rotation of the movable piece, and for sealing contact with the static piece and engaging by rotating cooperation The adjustment section of the fluid passage of different radial dimensions, the shape of the end face of the adjustment section matches the shape of the inlet opening on the static piece.
进一步地，调节段的转角部位和/或调节段与密封段之间的转角部位设有用于增加壁体强度的斜撑构造。Further, the corner portion of the adjustment section and/or the corner portion between the adjustment section and the sealing section are provided with a diagonal strut structure for increasing the strength of the wall.
进一步地，动片的外侧壁面上设有用于与密封水阀阀体内腔壁体配合以限制动片周向转动范围的限位件。Further, the outer wall surface of the rotor is provided with a limiting member for engaging with the wall body of the sealing water valve body to limit the circumferential rotation range of the rotor.
根据本发明的另一方面，还提供了一种密封水阀，其包括上述用于密封水阀的阀杆连体结构。According to another aspect of the present invention, there is also provided a sealed water valve comprising the above-described valve stem joint structure for sealing a water valve.
本发明具有以下有益效果：The invention has the following beneficial effects:
本发明用于密封水阀的阀杆连体结构，阀杆通过紧固件装配于密封水阀的阀体控制机构装配口上，动片连接在阀杆端部并与紧固件贴合密封配合，使得阀杆处于紧固件与动片围合形成的密封腔体内，使得阀杆所处的密封腔体与阀体内腔的水流通道完全隔离，阀杆完全隔离于阀体内腔水流通道外，避免阀杆频繁转动过程中发生磨损而产生阀杆周边水流渗漏的问题。紧固件装配时，紧固件贴合压紧在动片上，而动片贴合压紧在静片上，从而形成密封水阀中水流控制机构的转动部件的上下双层密封结构，确保动片旋转调节过程中不会从水流调节通道以外的部位渗水；结合紧固件与阀体之间以及静片与阀体之间的静态密封，从而确保整个密封水阀的防渗漏性能，有效延长密封水阀的使用寿命。阀杆连接于动片内腔，通过扭转阀杆即可实现动片与静片的通道配合，实现水流控制，整个结构配件少，需要设置密封的连接部位少，装配简单。改变了传统的复杂阀芯控制机构，直接采用紧固件依次将动片和静片顶抵在阀体内腔中并密封阀体的控制机构装配口，利用直接设于阀体内腔中的动片与静片的转动配合以实现阀体内腔中的水流通断；结构简单稳定性好，密封环节少，阀体内腔中的静态密封稳定性好，动态密封可靠性高，密封水阀的使用寿命高。The invention is used for sealing a valve stem connecting structure of a water valve. The valve stem is assembled on a valve body control mechanism assembly opening of the sealing water valve by a fastener, and the movable piece is connected to the end of the valve stem and is matched with the fastener. The valve stem is placed in the sealed cavity formed by the fastener and the moving piece, so that the sealing cavity where the valve stem is located is completely isolated from the water flow passage of the valve body cavity, and the valve stem is completely isolated from the water flow passage of the valve body cavity. Avoid the occurrence of wear during the frequent rotation of the valve stem and cause leakage of water around the valve stem. When the fastener is assembled, the fastener is pressed and pressed against the moving piece, and the moving piece is pressed and pressed against the static piece, thereby forming an upper and lower double-layer sealing structure of the rotating part of the water flow control mechanism in the sealing water valve, ensuring the moving piece. During the rotation adjustment process, water will not seep from the water flow adjustment channel; combined with the static seal between the fastener and the valve body and between the static plate and the valve body, thereby ensuring the leakage prevention performance of the entire sealing water valve, effectively extending The service life of the sealed water valve. The valve stem is connected to the inner cavity of the moving piece, and the channel of the moving piece and the static piece can be matched by twisting the valve stem to realize water flow control, and the whole structure has few accessories, and the sealing part is required to be sealed, and the assembly is simple. The traditional complex valve core control mechanism is changed, and the movable piece and the static piece are directly pressed into the valve body cavity by the fasteners, and the control mechanism assembly port of the valve body is sealed, and the movable piece directly disposed in the valve body cavity is used. It cooperates with the rotation of the static piece to realize the water circulation in the valve body cavity; the structure is simple and stable, the sealing part is less, the static sealing stability in the valve body cavity is good, the dynamic sealing reliability is high, and the service life of the sealing water valve is good. high.
除了上面所描述的目的、特征和优点之外，本发明还有其它的目的、特征和优点。下面将参照图，对本发明作进一步详细的说明。In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings.
附图说明DRAWINGS
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings, which are incorporated in the claims In the drawing:
图1是本发明优选实施例的用于密封水阀的阀杆连体结构的结构示意图之一；1 is a schematic structural view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention;
图2是本发明优选实施例的用于密封水阀的阀杆连体结构的结构示意图之二；2 is a second structural schematic view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention;
图3是本发明优选实施例的紧固件的结构示意图；Figure 3 is a schematic view showing the structure of a fastener according to a preferred embodiment of the present invention;
图4是本发明优选实施例的动片的立体结构示意图；4 is a perspective structural view of a rotor of a preferred embodiment of the present invention;
图5是本发明优选实施例的动片的俯视结构示意图。Figure 5 is a top plan view of a rotor of a preferred embodiment of the present invention.
图例说明：illustration:
1、紧固件；101、阀体密封盖；102、密封部；103、施力部；104、贯通孔；1041、第二定位槽；105、外密封槽；106、外螺纹；1061、止逆槽；2、阀杆；201、连接部；202、第一定位槽；3、动片；301、连接槽；302、密封面；303、密封段；304、调节段；305、斜撑构造；306、限位件；4、定位环圈。1. Fastener; 101, valve body sealing cover; 102, sealing portion; 103, force applying portion; 104, through hole; 1041, second positioning groove; 105, outer sealing groove; 106, external thread; Reverse groove; 2, valve stem; 201, connecting portion; 202, first positioning groove; 3, moving piece; 301, connecting groove; 302, sealing surface; 303, sealing section; 304, adjusting section; 305, diagonal strut structure ; 306, limit parts; 4, positioning ring.
具体实施方式Detailed ways
以下结合附图对本发明的实施例进行详细说明，但是本发明可以由下述所限定和覆盖的多种不同方式实施。The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various different ways as defined and covered below.
图1是本发明优选实施例的用于密封水阀的阀杆连体结构的结构示意图之一；图2是本发明优选实施例的用于密封水阀的阀杆连体结构的结构示意图之二；图3是本发明优选实施例的紧固件的结构示意图；图4是本发明优选实施例的动片的立体结构示意图；图5是本发明优选实施例的动片的俯视结构示意图。1 is a schematic structural view of a valve stem connecting structure for sealing a water valve according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of a valve stem connecting body structure for sealing a water valve according to a preferred embodiment of the present invention; 2 is a schematic structural view of a fastener according to a preferred embodiment of the present invention; FIG. 4 is a perspective structural view of a rotor of a preferred embodiment of the present invention; and FIG. 5 is a schematic top plan view of a rotor of a preferred embodiment of the present invention.
如图1所示，本实施例的用于密封水阀的阀杆连体结构，包括用于密封封盖密封水阀的阀体控制机构装配口的紧固件1、用于控制阀体控制机构开闭的阀杆2以及用于作为阀体控制机构的一部分设置在密封水阀阀体内腔中通过转动配合以构成不同径向尺寸的流体通道的动片3，阀杆2通过紧固件1装配于阀体控制机构装配口上，动片3连接在阀杆2上并随阀杆2转动，动片3的上端面与紧固件1的下端面之间采用用于使阀杆2密封于动片3与紧固件1围合形成的腔体内的贴合密封配合。用于密封水阀的阀杆连体结构，阀杆2通过紧固件1装配于密封水阀的阀体控制机构装配口上，动片3连接在阀杆2端部并与紧固件1贴合密封配合，使得阀杆2处于紧固件1与动片3围合形成的密封腔体内，使得阀杆2所处的密封腔体与阀体内腔的水流通道完全隔离，阀杆2完全隔离于阀体内腔水流通道外，避免阀杆2频繁转动过程中发生磨损而产生阀杆2周边水流渗漏的问题。紧固件1装配时，紧固件1贴合压紧在动片3上，而动片3贴合压紧在静片上，从而形成密封水阀中水流控制机构的转动部件的上下双层密封结构，确保动片3旋转调节过程中不会从水流调节通道以外的部位渗水，结合紧固件1与阀体之间以及静片与阀体之间的静态密封，从而确保整个密封水阀的防渗漏性 能，有效延长密封水阀的使用寿命。阀杆2连接于动片3内腔，通过扭转阀杆2即可实现动片3与静片的通道配合，实现水流控制，整个结构配件少，需要设置密封的连接部201位少，装配简单。改变了传统的复杂阀芯控制机构，直接采用紧固件1依次将动片3和静片顶抵在阀体内腔中并密封阀体的控制机构装配口，利用直接设于阀体内腔中的动片3与静片的转动配合以实现阀体内腔中的水流通断；结构简单稳定性好，密封环节少，阀体内腔中的静态密封稳定性好，动态密封可靠性高，密封水阀的使用寿命高。可选地，阀杆2与动片3之间可以采用分体平整结构，也可以采用一体制作成型的整体结构。可选地，阀杆2与动片3采用一体制作成型的整体结构，可以为玻璃体、陶瓷体、金属体或塑料体。可以根据需要选择阀杆2与动片3之间不同的组合构成形式，以方使阀杆2传递扭矩控制动片3转动，实现阀体内腔中的水流通道精确调节控制。可选地，紧固件1的外转角均设置为弧形角，以防止与周边发生碰撞伤害或造成破损。可选地，紧固件1的内转角均设置为倒角或者弧形角，以防止装配时发生彼此间的碰撞损害；同时形成装配时的引导结构，引导装配件引入装配位置，提高装配效率，提高装配精度。As shown in FIG. 1 , the valve stem connecting structure for sealing a water valve of the embodiment includes a fastener 1 for sealing a valve body control mechanism assembly opening of the sealing water sealing valve, and is used for controlling the valve body control. a valve stem 2 that is opened and closed by the mechanism, and a movable piece 3 that is disposed as a part of the valve body control mechanism in the body cavity of the sealing water valve body by rotationally fitting to constitute fluid passages of different radial sizes, and the valve stem 2 passes through the fastener 1 is assembled on the assembly opening of the valve body control mechanism, the movable piece 3 is connected to the valve stem 2 and rotates with the valve stem 2, and the upper end surface of the movable piece 3 and the lower end surface of the fastener 1 are used for sealing the valve stem 2 The sealing piece 3 is engaged with the sealing body formed in the cavity formed by the fastener 1 . The valve stem connecting structure for sealing the water valve, the valve stem 2 is assembled on the valve body control mechanism assembly opening of the sealing water valve by the fastener 1, and the movable piece 3 is connected to the end of the valve stem 2 and is attached to the fastener 1 The sealing rod is matched so that the valve stem 2 is in the sealed cavity formed by the fastening of the fastener 1 and the movable piece 3, so that the sealing cavity where the valve stem 2 is located is completely isolated from the water flow passage of the valve body cavity, and the valve stem 2 is completely isolated. Outside the water flow passage of the valve body cavity, the wear of the valve stem 2 during frequent rotation is avoided to cause leakage of water around the valve stem 2. When the fastener 1 is assembled, the fastener 1 is pressed and pressed against the movable piece 3, and the movable piece 3 is pressed and pressed against the static piece, thereby forming an upper and lower double seal of the rotating part of the water flow control mechanism in the sealing water valve. The structure ensures that the rotating piece 3 does not seep from the water regulating passage during the rotation adjustment, and combines the static sealing between the fastener 1 and the valve body and between the static piece and the valve body, thereby ensuring the entire sealing water valve. Anti-leakage performance, effectively extending the service life of the sealed water valve. The valve stem 2 is connected to the inner cavity of the movable piece 3, and the valve plate 2 can be twisted to realize the passage of the movable piece 3 and the static piece to realize the water flow control, and the whole structural parts are few, and the connection part 201 which needs to be sealed is small, and the assembly is simple. . The traditional complex valve core control mechanism is changed, and the fastener 1 is directly used to abut the movable piece 3 and the static piece in the valve body cavity and seal the valve body control mechanism assembly port, and is directly disposed in the valve body cavity. The rotation of the movable piece 3 and the static piece cooperates to realize the water circulation in the valve body cavity; the structure is simple and stable, the sealing part is small, the static sealing stability in the valve body cavity is good, the dynamic sealing reliability is high, and the sealing water valve is high. High service life. Alternatively, a split flat structure may be adopted between the valve stem 2 and the movable piece 3, or an integral structure formed integrally. Optionally, the valve stem 2 and the movable piece 3 are integrally formed and integrally formed, and may be a glass body, a ceramic body, a metal body or a plastic body. Different combinations of the valve stem 2 and the movable piece 3 can be selected according to the need, so that the valve stem 2 transmits the torque control rotor 3 to rotate, so as to achieve precise adjustment control of the water flow passage in the valve body cavity. Optionally, the outer corners of the fastener 1 are all set to arc angles to prevent collision damage or damage to the periphery. Optionally, the inner corners of the fasteners 1 are all set to chamfers or arc angles to prevent collision damage between each other during assembly; at the same time, forming a guiding structure during assembly, guiding the assembly into the assembly position, and improving assembly efficiency Improve assembly accuracy.
可选地，紧固件1、阀杆2、动片3中的至少一个为玻璃体、塑料体、金属体或者陶瓷体。玻璃体，采用高强度钢化耐热玻璃注塑成型，可以查看到阀体内部结构，外观漂亮，且可以防腐蚀；不存在塑料壳体结构老化以及通入的流体产生流体污染的问题，环保、健康、安金。塑料体，可以采用高强度塑料制成，结构轻便，价格便宜；当用于工业应用，且不用于饮用时，也可以采用废旧塑料制作成型、金属体，质感好，外观漂亮，结实：适用于腐蚀性不高的环境使用。陶瓷体，具有传热慢且热量均匀传递的特性，即使通入开水也不易造成外部的灼热感，不易造成烫伤；不存在塑料壳体结构老化以及通入的流体产生流体污染的问题，环保、健康、安全；可以耐高温、耐腐蚀，一体成型外观美观。Optionally, at least one of the fastener 1, the valve stem 2, and the rotor 3 is a glass body, a plastic body, a metal body or a ceramic body. The vitreous body is injection molded with high-strength tempered glass. The internal structure of the valve body can be seen, the appearance is beautiful, and it can be corrosion-proof. There is no problem of aging of the plastic shell structure and fluid contamination caused by the incoming fluid, environmental protection, health, An Jin. The plastic body can be made of high-strength plastic, and the structure is light and cheap. When used for industrial applications and not used for drinking, it can also be made of waste plastic, metal body, good texture, beautiful appearance, strong: suitable for Use in environments that are not corrosive. The ceramic body has the characteristics of slow heat transfer and uniform heat transfer. Even if it is opened, it is not easy to cause external burning sensation, and it is not easy to cause burns. There is no problem that the plastic shell structure is aged and the fluid flowing into the fluid is contaminated. Health and safety; can withstand high temperature, corrosion resistance, and beautiful appearance.
如图1、图2和图5所示，本实施例中，阀杆2伸入密封水阀的阀体内腔中的伸入端设置为用于连接密封水阀的动片3的连接部201。动片3的上端面上开设有用于连接和容纳连接部201的连接槽301。能够方便结构装配，动片3与阀杆2采用分体装配结构，能够降低工艺制作难度，保证动片3上端面以及下端面能够达到镜面光滑等级，利用动片3与紧固件以及静片之间的镜面贴合密封从而保证动密封的结构稳定性以及密封可靠性。动片3的下端面设置为用于与密封水阀的静片紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流体通道的密封面302。可选地，连接部201采用柱形结构、锥形结构、锥合形结构、球形结构、半球性结构、椭圆结构、半椭圆结构中的一种。可选地，连接部201的最大径向尺寸大于贯通孔104的径向尺寸，以防止装配好的阀杆2从紧固件1内脱出。可选地，连接部201的转角部位均设置为弧形角，以防止与动片3连接结合而造成应力集中破坏。可选地阀杆2朝向阀体外的外伸端设有用于装配驱动装置或者施力构造的连接构造，连接构造为卡槽、螺纹孔、卡扣、热熔焊接孔、插接孔、插接槽中的至少一种。可选的，阀杆2的轴向长度为10mm～100mm；阀杆2的径向直径为3mm～20mm。As shown in FIG. 1, FIG. 2 and FIG. 5, in the present embodiment, the extending end of the valve stem 2 extending into the valve body cavity of the sealing water valve is provided as a connecting portion 201 for connecting the rotor 3 of the sealing water valve. . A connecting groove 301 for connecting and accommodating the connecting portion 201 is opened on the upper end surface of the movable piece 3. The structure assembly can be facilitated, and the movable piece 3 and the valve stem 2 adopt a split assembly structure, which can reduce the difficulty of the process, and ensure that the upper end surface and the lower end surface of the movable piece 3 can reach the mirror smooth level, and the movable piece 3 and the fastener and the static piece are utilized. The mirror-fit seal between them ensures the structural stability of the dynamic seal and the reliability of the seal. The lower end surface of the rotor 3 is provided as a sealing surface 302 for sealingly mating with the static seal of the sealing water valve and rotationally engaging by surface contact to close the fluid passage or to form fluid passages of different radial dimensions. Optionally, the connecting portion 201 adopts one of a cylindrical structure, a tapered structure, a tapered structure, a spherical structure, a hemispherical structure, an elliptical structure, and a semi-elliptical structure. Optionally, the maximum radial dimension of the connecting portion 201 is greater than the radial dimension of the through hole 104 to prevent the assembled valve stem 2 from coming out of the fastener 1. Optionally, the corner portions of the connecting portion 201 are all disposed at an arc angle to prevent the stress concentration damage caused by the joint connection with the movable piece 3. Optionally, the valve rod 2 is provided with a connecting structure for assembling the driving device or the force applying structure toward the outwardly extending end of the valve body. The connecting structure is a card slot, a threaded hole, a buckle, a hot-melt welding hole, a plug hole, and a plug connection. At least one of the slots. Optionally, the axial length of the valve stem 2 is 10 mm to 100 mm; and the radial diameter of the valve stem 2 is 3 mm to 20 mm.
如图1和图2所示，本实施例中，连接部201与连接槽301之间的连接采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。图1中所示出的连接部201与连接槽301之间的连接采用内段套接以及端部插接相结合的连接方式。图2中所示出的连接部201与连接槽301之间的连接采用螺纹连接。可以根据需要以及密封水阀结构尺寸，选择不同 的连接方式，以保证连接部201与连接槽301之间连接稳定性，保证通过阀杆2能够做到精确调节控制水流流量。可选地，连接部201与连接槽301之间的连接位置还设有用于防止连接部201与连接槽301彼此松脱的防松结构。可选地，螺纹连接通过开设止逆槽防松脱。插接通过卡扣或止逆凸起等防松脱。卡接通过止逆卡扣防松脱。套接通过卡扣或止逆凸起等防松脱。嵌固通过过盈配合防松脱。热熔焊接或粘接通过止逆凸起、止逆卡扣或止逆螺纹防松脱。As shown in FIG. 1 and FIG. 2, in the embodiment, the connection between the connecting portion 201 and the connecting groove 301 is at least one of screwing, plugging, snapping, socketing, inserting, hot-melt welding, and bonding. One. The connection between the connecting portion 201 and the connecting groove 301 shown in Fig. 1 is a combination of an inner sleeve and an end plug. The connection between the connecting portion 201 and the connecting groove 301 shown in Fig. 2 is screwed. Different connection modes can be selected according to the needs and the size of the sealing water valve structure to ensure the stability of the connection between the connecting portion 201 and the connecting groove 301, and to ensure accurate control of the flow of water through the valve stem 2. Optionally, a connection position between the connecting portion 201 and the connecting groove 301 is further provided with a loosening structure for preventing the connecting portion 201 and the connecting groove 301 from being detached from each other. Alternatively, the threaded connection is prevented from loosening by opening the anti-reverse groove. The plug is prevented from being loosened by a buckle or a check protrusion. The snap-in is prevented from being loosened by the anti-reverse buckle. The socket is prevented from being loosened by a buckle or a check protrusion. The insert is secured against loosening by an interference fit. Hot-melt welding or bonding is prevented by loosening of the anti-reverse projection, the anti-reverse buckle or the anti-reverse thread.
如图1、图2和图3所示，本实施例中，紧固件1包括用于密封封盖阀体控制机构装配口的阀体密封盖101。阀体密封盖101下部设有用于与阀体控制机构装配口内腔密封紧固连接和与密封水阀的静片紧贴密封接触的密封部102。阀体密封盖101的上部设有用于密封部102与阀体连接时施力的施力部103。施力部103、阀体密封盖101和密封部102三者为一体制作成型的整体件。整体件中部沿轴向开设有用于密封装配阀杆2的贯通孔104。在紧固件1的贯通孔104内装配阀杆2并通过对施力部103施力即可实现连接部201的紧固连接装配以及阀体密封盖101与阀体端面的紧密接触密封封盖；通过连接部201的端面压靠动片3，以保证静片和动片3在阀芯内腔的结构稳定性；阀杆2连接于动片3内腔，通过扭转阀杆2即可实现动片3与静片的通道配合，实现水流控制，整个结构配件少，装配简单。改变传统的阀芯控制机构，直接采用紧固件1依次将动片3和静片顶抵在阀体内腔中并密封阀体的控制机构装配口，利用直接布设于阀体内腔中的动片3与静片的转动配合以实现阀体内腔中的水流通断；整个紧固件1结构采用注塑成型的整体结构，结构简单稳定性好，直接做好紧固件1与阀体之间的静态密封以及紧固件1与阀杆2之间的动态密封两处密封，即可实现阀体控制机构装配口的密封，使得密封水阀的使用寿命明显提高。可选地，施力部103、阀体密封盖101和密封部102三者构成的整体件为玻璃体、塑料体、金属体或者陶瓷体。可以根据产品需要选择不同的紧固件结构，以满足使用和外观需要。玻璃体，采用高强度钢化耐热玻璃注塑成型，可以方便查看内部结构，透光性好，外观漂亮，且可以防腐蚀；不存在塑料结构老化以及通入的流体产生流体污染的问题，环保、健康、安全。塑料体，可以采用高强度塑料制成，结构轻使，价格便宜；当用于工业应用，且不用于饮用时，也可以采用废旧塑料制作成型。金属体，质感好，外观漂亮，强度高，耐冲击；适用于腐蚀性不高的环境使用。陶瓷体，具有传热慢且热量均匀传递的特性，即使通入开水也不易造成外部的灼热感，不易造成烫伤；不存在塑料体结构老化以及通入的流体产生流体污染的问题，环保、健康、安全；可以耐高温、耐腐蚀，一体成型外观美观。可选地，紧固件1的轴向长度为5mm-20mm。As shown in FIG. 1, FIG. 2 and FIG. 3, in the present embodiment, the fastener 1 includes a valve body sealing cover 101 for sealing the fitting valve body control mechanism assembly opening. The lower portion of the valve body sealing cover 101 is provided with a sealing portion 102 for sealingly fastening the inner cavity of the valve body control mechanism assembly and sealing contact with the static plate of the sealing water valve. The upper portion of the valve body sealing cover 101 is provided with a biasing portion 103 for biasing the sealing portion 102 when it is connected to the valve body. The urging portion 103, the valve body sealing cover 101, and the sealing portion 102 are integrally formed as a single piece. A through hole 104 for sealing the valve stem 2 is axially opened in the middle of the unitary member. The valve stem 2 is assembled in the through hole 104 of the fastener 1 and the fastening connection assembly of the connecting portion 201 and the close contact of the valve body sealing cover 101 with the end surface of the valve body are sealed by applying force to the urging portion 103. The end piece of the connecting portion 201 is pressed against the moving piece 3 to ensure the structural stability of the static piece and the moving piece 3 in the inner cavity of the valve body; the valve stem 2 is connected to the inner cavity of the moving piece 3, and can be realized by twisting the valve stem 2 The moving piece 3 cooperates with the passage of the static piece to realize water flow control, and the whole structure has few accessories and simple assembly. By changing the traditional valve core control mechanism, the fastener 1 is directly used to press the movable piece 3 and the static piece in the valve body cavity and seal the control mechanism assembly port of the valve body, and the movable piece directly disposed in the valve body cavity is used. 3 cooperate with the rotation of the static piece to realize the water flow in the valve body cavity; the whole fastener 1 structure adopts the injection-molded integral structure, the structure is simple and stable, and the direct connection between the fastener 1 and the valve body is directly performed. The static seal and the dynamic seal between the fastener 1 and the valve stem 2 are sealed at two places, so that the sealing of the valve body control mechanism assembly port can be realized, so that the service life of the seal water valve is obviously improved. Optionally, the integral component of the urging portion 103, the valve body sealing cover 101 and the sealing portion 102 is a glass body, a plastic body, a metal body or a ceramic body. Different fastener structures can be selected to meet the needs of use and appearance. The vitreous body is injection molded with high-strength tempered heat-resistant glass, which can easily view the internal structure, has good light transmission, beautiful appearance, and can prevent corrosion; there is no problem of plastic structure aging and fluid pollution caused by the incoming fluid, environmental protection and health ,Safety. The plastic body can be made of high-strength plastic, the structure is light, and the price is cheap; when it is used for industrial applications and is not used for drinking, it can also be made of waste plastic. Metal body, good texture, beautiful appearance, high strength, impact resistance; suitable for use in environments with low corrosivity. The ceramic body has the characteristics of slow heat transfer and uniform heat transfer. Even if it is opened, it is not easy to cause external burning sensation, and it is not easy to cause burns. There is no problem that the plastic body structure is aged and the fluid flowing into the fluid is contaminated. Environmental protection and health , safe; can withstand high temperature, corrosion resistance, and the appearance of one-piece appearance is beautiful. Alternatively, the fastener 1 has an axial length of 5 mm to 20 mm.
如图1、图2和图3所示，本实施例中，密封部102与阀体密封盖101之间沿周向开设有至少一个用于容纳密封圈以构成紧固件1与阀体之间密封的外密封槽105。密封部102的外表面设有用于与阀体控制机构装配口内腔螺纹配合的外螺纹106。外螺纹106为连续螺纹或者外螺纹106上开设有用于防止螺纹配合后逆向松脱的止逆槽1061。保证紧固件1与阀体之间的连接稳定性，保证多层静态密封的结构稳定性，避免漏水，避免密封部位的疲劳破坏，有效延长密封水阀的使用寿命。密封部102与阀体的连接段、外密封槽105与密封圈配合以及阀体密封盖101与阀体端面之间的贴合密封形成多层密封，并且紧固件1与阀体之间为静态紧固配合，因此完全能够保证紧固件1与阀体连接部位的密封性，密封使用年限至少高于现有阀芯水阀数十倍。可选地，外密封槽105采用半圆槽、U形槽、V形槽、燕尾槽中的至少一种。可选地，外密封槽105采用外窄内宽的窄口槽。可选地，密封部102的外表面设有用于卡固 的卡固件、契合件或者弹性拉结件。可选地，密封部102与阀体控制机构装配口内壁体采用热熔焊接。As shown in FIG. 1 , FIG. 2 and FIG. 3 , in the embodiment, at least one of the sealing portion 102 and the valve body sealing cover 101 is circumferentially opened for accommodating the sealing ring to constitute the fastener 1 and the valve body. An outer sealed outer seal groove 105. The outer surface of the sealing portion 102 is provided with external threads 106 for threaded engagement with the interior of the body of the valve body control mechanism. The external thread 106 is a continuous thread or the external thread 106 is provided with a check groove 1061 for preventing the thread from being reversely released. It ensures the stability of the connection between the fastener 1 and the valve body, ensures the structural stability of the multi-layer static seal, avoids water leakage, avoids fatigue damage of the sealing part, and effectively prolongs the service life of the sealing water valve. The connecting portion of the sealing portion 102 and the valve body, the outer sealing groove 105 and the sealing ring, and the sealing seal between the valve body sealing cover 101 and the end surface of the valve body form a multi-layer seal, and the fastener 1 and the valve body are The static fastening fit ensures the tightness of the joint between the fastener 1 and the valve body. The sealing service life is at least ten times higher than the existing spool valve. Optionally, the outer seal groove 105 adopts at least one of a semicircular groove, a U-shaped groove, a V-shaped groove, and a dovetail groove. Optionally, the outer seal groove 105 adopts a narrow groove having an outer narrow inner width. Alternatively, the outer surface of the sealing portion 102 is provided with a fastener, a fitting or an elastic pull member for fastening. Optionally, the sealing portion 102 and the inner wall body of the valve body control mechanism assembly port are thermally welded.
可选地，密封部102与阀体密封盖101之间设置为用于阻隔水流并防止紧固件1与阀体之间水流通过的水封或油封。通过在密封部102与阀体密封盖101之间设置水封或油封，或者利用密封部102与阀体密封盖101之间的结构构成水封或油封，密封部102的连接段、水封或油封形成的密封止水圈以及阀体密封盖101与阀体端面之间的贴合密封形成多层密封，并且紧固件1与阀体之间为静态紧固配合，因此完全能够保证紧固件1与阀体连接部位的密封性，密封使用年限至少高于现有阀芯水阀数十倍。可选地，密封部102的底端面设置为用于与密封水阀紧贴密封接触的平面，和/或密封部102的底端面设置有用于阻隔水流并防止水流沿径向通过的止水槽或止水环。可以根据需要选择不同的密封部102端面，以保证密封部102与动片3之间的贴合密封，形成紧固件1与动片3之间的密封层，保证整个密封水阀的密封水，有效避免渗水、漏水现象。当密封部102端面与动片3之间的贴合密封面相对较大时可以选择平面，也可以加设止水槽或止水环以增加防水止水效果。当密封部102端面与动片3之间的贴合密封面相对较小时，由于仅存在沿周向的转动运动，自然会形成靠水边的密封水膜，水流无法沿密封贴合面径向传递，无法加设止水槽或止水环时，也可以紧靠贴合密封以实现密封。Optionally, a water seal or an oil seal is provided between the seal portion 102 and the valve body sealing cover 101 for blocking the flow of water and preventing water flow between the fastener 1 and the valve body. A water seal or an oil seal is provided between the sealing portion 102 and the valve body sealing cover 101, or a water seal or an oil seal is formed by a structure between the sealing portion 102 and the valve body sealing cover 101, a connecting portion of the sealing portion 102, a water seal or The sealing water seal formed by the oil seal and the sealing seal between the valve body sealing cover 101 and the end surface of the valve body form a multi-layer seal, and the fastener 1 and the valve body are statically fastened, so that the fastening can be completely ensured. The sealing of the joint between the part 1 and the valve body, the sealing service life is at least ten times higher than the existing valve core valve. Optionally, the bottom end surface of the sealing portion 102 is provided as a plane for sealing contact with the sealing water valve, and/or the bottom end surface of the sealing portion 102 is provided with a water stop for blocking the flow of water and preventing the flow of water in the radial direction or Water stop ring. Different end faces of the sealing portion 102 can be selected according to requirements to ensure the sealing seal between the sealing portion 102 and the moving piece 3, forming a sealing layer between the fastener 1 and the moving piece 3, and ensuring the sealing water of the entire sealing water valve. To effectively avoid water seepage and water leakage. When the sealing sealing surface between the end surface of the sealing portion 102 and the rotor 3 is relatively large, a plane may be selected, or a water stop or a water stop ring may be added to increase the waterproof and water stopping effect. When the sealing sealing surface between the end surface of the sealing portion 102 and the rotor 3 is relatively small, since there is only a rotational movement in the circumferential direction, a sealing water film that is formed by the water side is naturally formed, and the water flow cannot be radially along the sealing surface. When it is transferred, if the water tank or the water stop ring cannot be added, it is also possible to close the seal to achieve the seal.
如图1、图2和图3所示，本实施例中，贯通孔104的孔壁与阀杆2之间设有至少二层沿周向布置成环状并用于对阀杆2进行轴向运动和径向运动限制以保证阀杆2周向转动调节稳定性的定位环圈4。阀杆2由定位环圈4确保旋转中轴不发生偏移，同时动片3随阀杆2转动的同时通过阀杆2确保动片3转动中轴不发生偏移，从而确保动片3与静片的转动调节精度以及确保动片3上端面与下端面位置的动态密封稳定性。定位环圈4卡固于阀杆2外表面开设的第一定位槽202内和/或定位环圈4卡固于紧固件1的贯通孔104孔壁开设的第二定位槽1041内。可以根据阀杆2的长度灵活选择定位环圈4的设置部位以及设置数量，保证阀杆2与紧固件1之间的相对稳定性，确保阀杆2仅存在周向转动运动，避免阀杆2与周边部件发生摩擦碰撞。当第一定位槽202和第二定位槽1041设于转角部位时，紧固件1与阀杆2和动片3三者之间构成三角密封配合，有效提供接缝部位的密封性；同时也能够提高阀杆2的转动稳定性，有效避免阀杆2偏斜。可选地，第一定位槽202和/或第二定位槽1041采用半圆槽、U形槽、V形槽、燕尾槽中的至少一种。可选地，第一定位槽202和/或第二定位槽1041采用外窄内宽的窄口槽。As shown in FIG. 1 , FIG. 2 and FIG. 3 , in the present embodiment, at least two layers are arranged between the hole wall of the through hole 104 and the valve stem 2 in a circumferential direction and are used for axially of the valve stem 2 . The movement and radial movement are limited to ensure that the valve stem 2 is circumferentially rotated to adjust the stability of the positioning collar 4. The valve stem 2 is ensured by the positioning ring 4 that the rotating shaft does not shift, and the rotor 3 rotates with the valve stem 2 while ensuring that the rotor 3 does not shift during the rotation of the rotor 3, thereby ensuring the rotor 3 and The rotation adjustment precision of the static piece and the dynamic sealing stability of the position of the upper end surface and the lower end surface of the rotor piece 3 are ensured. The positioning ring 4 is fastened in the first positioning groove 202 formed on the outer surface of the valve rod 2 and/or the positioning ring 4 is fastened in the second positioning groove 1041 of the through hole 104 of the fastener 1 . According to the length of the valve stem 2, the setting position and the number of the positioning ring 4 can be flexibly selected to ensure the relative stability between the valve stem 2 and the fastener 1, and the valve stem 2 only has a circumferential rotation motion, thereby avoiding the valve stem. 2 Frictional collision with surrounding components. When the first positioning groove 202 and the second positioning groove 1041 are disposed at the corner portion, the fastener 1 and the valve stem 2 and the movable piece 3 form a triangular sealing fit, thereby effectively providing the sealing of the joint portion; The rotation stability of the valve stem 2 can be improved, and the stem 2 is effectively prevented from being deflected. Optionally, the first positioning groove 202 and/or the second positioning groove 1041 adopt at least one of a semicircular groove, a U-shaped groove, a V-shaped groove and a dovetail groove. Optionally, the first positioning slot 202 and/or the second positioning slot 1041 adopt a narrow slot with an outer narrow inner width.
可选地，施力部103的外壁面上开设有至少一组相对布设用于着力的着力平面；和/或施力部103的径向断面的外轮廓形状为三角形、四边形、五边形、六边形中的一种。可以根据需要选择施力部103的外形结构，以方便紧固件1的施力装配，适用于各种零件装配Optionally, the outer wall surface of the urging portion 103 is provided with at least one set of opposing force planes for urging; and/or the outer contour shape of the radial section of the urging portion 103 is triangular, quadrangular, pentagonal, One of the hexagons. The outer shape structure of the urging portion 103 can be selected as needed to facilitate the force assembly of the fastener 1, and is suitable for various parts assembly.
如图1、图2、图4和图5所示，本实施例中，动片3包括用于与阀杆2和紧固件1连接接触以封闭阀杆2所处空腔和实现动片3转动调节的密封段303以及用于与静片贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段304。调节段304的端面形状与静片上的进水开口形状相匹配。可选地，动片3上开设有多个活动流通通道以及多个用于封闭静片上的固定流通通道的密封块，活动流通通道与密封块间隔排布。可选地，静片一个固定流通通道同时与动片3的通过活动连通通道匹配设置。可选地，动片3的一个密封块同时与 静片的多个固定流通通道匹配设置。可选地，动片3的多个活动连通通道连通阀体的同一个水流输出口，或者动片3的多个活动连通通道分别连通至阀体的不同水流输出出口。可选地，静片的多个固定流通通道连通至阀体的同一个水流输入口，或者静片的多个固定流通通道分别连通至阀体的不同水流输入口。可选地，动片3的轴向高度为2mm～30mm；径向直径为5mm～30mm。可选地，静片的轴向高度为2mm～30mm；径向直径为5mm～30mm。As shown in FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , in the embodiment, the movable piece 3 includes a connection for contacting the valve stem 2 and the fastener 1 to close the cavity in which the valve stem 2 is located and realize the movable piece. 3 Rotating the adjusted sealing section 303 and the adjustment section 304 for sealing contact with the static sheet and by rotational fit to form fluid passages of different radial dimensions. The shape of the end face of the adjustment section 304 matches the shape of the inlet opening on the static piece. Optionally, the movable piece 3 is provided with a plurality of active circulation passages and a plurality of sealing blocks for closing the fixed circulation passages on the static sheets, and the movable circulation passages are arranged at intervals from the sealing blocks. Optionally, a fixed flow passage of the static piece is simultaneously matched with the movable communication passage of the movable piece 3 . Optionally, a sealing block of the rotor 3 is simultaneously matched with a plurality of fixed flow passages of the stator. Optionally, the plurality of movable communication passages of the movable piece 3 communicate with the same water flow output port of the valve body, or the plurality of movable communication channels of the movable piece 3 are respectively connected to different water flow output outlets of the valve body. Optionally, the plurality of fixed flow passages of the static plate are connected to the same water flow input port of the valve body, or the plurality of fixed flow passages of the static plate are respectively connected to different water flow input ports of the valve body. Optionally, the moving piece 3 has an axial height of 2 mm to 30 mm; and a radial diameter of 5 mm to 30 mm. Optionally, the axial height of the static piece is 2 mm to 30 mm; and the radial diameter is 5 mm to 30 mm.
如图4所示，本实施例中，调节段304的转角部位和/或调节段304与密封段303之间的转角部位设有用于增加壁体强度的斜撑构造305。As shown in FIG. 4, in the present embodiment, the corner portion of the adjustment section 304 and/or the corner portion between the adjustment section 304 and the seal section 303 are provided with a diagonal stay structure 305 for increasing the strength of the wall.
如图4和图5所示，本实施例中，动片3的外侧壁面上设有用于与密封水阀阀体内腔壁体配合以限制动片3周向转动范围的限位件306。As shown in FIG. 4 and FIG. 5, in the embodiment, the outer wall surface of the movable piece 3 is provided with a limiting member 306 for engaging with the inner wall of the sealing water valve body to restrict the circumferential rotation range of the movable piece 3.
本实施例的密封水阀，包括上述用于密封水阀的阀杆连体结构。The sealing water valve of this embodiment includes the above-described valve stem connecting structure for sealing the water valve.
实施时，提供一种用于密封水阀的附杆连体结构，阀杆2插接装配在紧固件1的贯通孔104内，通过紧固件1在阀体的阀体控制机构装配口上进行紧固连接。阀杆2端部连接部201插接或者螺纹连接至动片3的连接槽301内。通过紧固件1装配压紧以限制动片3和静片的轴向位置，同时通过阀杆2限制动片3的径向移动，以限制动片3沿轴向移动以及径向移动，确保动片3仅能够随着阀杆2沿周向转动，从而确保动片3与紧固件1之间形成稳定的压紧面动态密封贴合，使得阀杆2密封于紧固件1与动片3围合形成的腔体内，有效防止阀体内腔中的水进入到阀杆2所处腔体而与阀杆2接触并从阀杆2与紧固件1之间渗漏。本发明用于密封水阀的阀杆连体结构，完全改变了传统阀芯结构，彻底解决了传统阀芯结构容易由于阀杆2在遇水情况下频繁转动磨损密封胶圈而导致水流从阀杆2周边向外渗漏的问题。与传统阀芯结构相比结构更简单，利用压紧与嵌合相结合的方式保证转动控制部分的结构稳定性，可以在保持原有水量控制情况下缩减整个密封水阀的尺寸，使得整个密封水阀更为小巧，从而减少用料降低成本。In implementation, a connecting rod structure for sealing a water valve is provided, and the valve stem 2 is inserted and fitted in the through hole 104 of the fastener 1 through the fastener 1 on the valve body control mechanism assembly port of the valve body Make a tight connection. The valve stem 2 end connecting portion 201 is inserted or screwed into the connecting groove 301 of the rotor 3. The fastener 1 is assembled and pressed to limit the axial position of the rotor 3 and the stator, while the radial movement of the rotor 3 is restricted by the valve stem 2 to restrict the axial movement and radial movement of the rotor 3, ensuring The movable piece 3 can only rotate along the circumferential direction of the valve stem 2, thereby ensuring a stable sealing surface dynamic sealing fit between the movable piece 3 and the fastener 1, so that the valve stem 2 is sealed with the fastener 1 and the moving The cavity formed by the sheet 3 is arranged to effectively prevent water in the valve body cavity from entering the cavity where the valve stem 2 is located to come into contact with the valve stem 2 and leak from between the valve stem 2 and the fastener 1. The valve stem connecting structure of the sealing water valve of the invention completely changes the traditional valve core structure, completely solves the problem that the traditional valve core structure is easy to cause water flow from the valve due to the frequent rotation of the valve stem 2 in the case of water contact with the sealing rubber ring. The problem of leakage around the periphery of the rod 2. Compared with the traditional valve core structure, the structure is simpler, and the combination of compression and fitting ensures the structural stability of the rotation control part, and the size of the entire sealing water valve can be reduced while maintaining the original water quantity control, so that the entire seal The water valve is smaller, which reduces the cost of materials.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

  1. 一种用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve, characterized in that
    包括用于密封封盖密封水阀的阀体控制机构装配口的紧固件(1)、用于控制阀体控制机构开闭的阀杆(2)以及用于作为阀体控制机构的一部分设置在密封水阀阀体内腔中通过转动配合以构成不同径向尺寸的流体通道的动片(3)，The utility model comprises a fastener (1) for sealing a valve body control mechanism assembly port of the seal sealing water valve, a valve stem (2) for controlling opening and closing of the valve body control mechanism, and a part for setting as a valve body control mechanism a rotor (3) that is rotatably fitted in a body cavity of the sealed water valve body to form fluid passages of different radial dimensions,
    所述阀杆(2)通过所述紧固件(1)装配于阀体控制机构装配口上，The valve stem (2) is assembled to the valve body control mechanism assembly port by the fastener (1),
    所述动片(3)连接在所述阀杆(2)上并随所述阀杆(2)转动，The movable piece (3) is coupled to the valve stem (2) and rotates with the valve stem (2).
    所述动片(3)的上端面与所述紧固件(1)的下端面之间采用用于使所述阀杆(2)密封于所述动片(3)与所述紧固件(1)围合形成的腔体内的贴合密封配合。Between the upper end surface of the rotor (3) and the lower end surface of the fastener (1) for sealing the valve stem (2) to the rotor (3) and the fastener (1) A fitting and sealing fit in the cavity formed by the enclosure.
  2. 根据权利要求1所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 1, wherein
    所述阀杆(2)伸入密封水阀的阀体内腔中的伸入端设置为用于连接密封水阀的所述动片(3)的连接部(201)，The extending end of the valve stem (2) extending into the valve body cavity of the sealing water valve is provided as a connecting portion (201) for connecting the moving piece (3) of the sealing water valve,
    所述动片(3)的上端面上开设有用于连接和容纳所述连接部(201)的连接槽(301)，A connecting groove (301) for connecting and accommodating the connecting portion (201) is defined on an upper end surface of the movable piece (3).
    所述动片(3)的下端面设置为用于与密封水阀的静片紧贴密封配合并通过面接触转动配合以封闭流体通道或形成不同径向尺寸的流体通道的密封面(302)。The lower end surface of the movable piece (3) is provided as a sealing surface for sealingly engaging with the static piece of the sealing water valve and being rotationally fitted by the surface contact to close the fluid passage or form a fluid passage of different radial sizes (302) .
  3. 根据权利要求2所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 2, wherein
    所述连接部(201)与所述连接槽(301)之间的连接采用螺纹连接、插接、卡接、套接、嵌固、热熔焊接、粘接中的至少一种。The connection between the connecting portion (201) and the connecting groove (301) is at least one of screwing, plugging, snapping, socketing, inserting, hot-melt welding, and bonding.
  4. 根据权利要求1所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 1, wherein
    所述紧固件(1)包括用于密封封盖阀体控制机构装配口的阀体密封盖(101)，The fastener (1) includes a valve body sealing cover (101) for sealing a sealing valve body control mechanism assembly opening,
    所述阀体密封盖(101)下部设有用于与阀体控制机构装配口内腔密封紧固连接和与密封水阀的静片紧贴密封接触的密封部(102)，a sealing portion (102) is disposed at a lower portion of the valve body sealing cover (101) for sealingly fastening with the inner cavity of the valve body control mechanism and sealingly contacting the sealing plate of the sealing water valve.
    所述阀体密封盖(101)的上部设有用于所述密封部(102)与阀体连接时施力的施力部(103)；The upper portion of the valve body sealing cover (101) is provided with a force applying portion (103) for applying force when the sealing portion (102) is connected to the valve body;
    所述施力部(103)、所述阀体密封盖(101)和所述密封部(102)三者为一体制作成型的整体件，所述整体件中部沿轴向开设有用于密封装配所述阀杆(2)的贯通孔(104)。The force applying portion (103), the valve body sealing cover (101) and the sealing portion (102) are integrally formed into a molded unitary piece, and the central portion of the unitary member is axially opened for sealing assembly. A through hole (104) of the valve stem (2).
  5. 根据权利要求4所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 4, wherein
    所述密封部(102)与所述阀体密封盖(101)之间沿周向开设有至少一个用于容纳密封圈以构成所述紧固件(1)与阀体之间密封的外密封槽(105)；Between the sealing portion (102) and the valve body sealing cover (101), at least one outer seal for accommodating the sealing ring to form a seal between the fastener (1) and the valve body is circumferentially opened. Slot (105);
    所述密封部(102)的外表面设有用于与阀体控制机构装配口内腔螺纹配合的外螺纹 (106)，The outer surface of the sealing portion (102) is provided with an external thread (106) for threadingly engaging the inner cavity of the valve body control mechanism assembly port.
    所述外螺纹(106)为连续螺纹或者所述外螺纹(106)上开设有用于防止螺纹配合后逆向松脱的止逆槽(1061)。The external thread (106) is a continuous thread or the external thread (106) is provided with a check groove (1061) for preventing the thread from being reversely released after the thread is engaged.
  6. 根据权利要求4所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 4, wherein
    所述贯通孔(104)的孔壁与所述阀杆(2)之间设有至少二层沿周向布置成环状并用于对所述阀杆(2)进行轴向运动和径向运动限制以保证所述阀杆(2)周向转动调节稳定性的定位环圈(4)，Between the wall of the through hole (104) and the valve stem (2), at least two layers are circumferentially arranged in a ring shape for axial movement and radial movement of the valve stem (2). Restricting the positioning ring (4) to ensure the stability of the valve stem (2) in the circumferential direction,
    所述定位环圈(4)卡固于所述阀杆(2)外表面开设的第一定位槽(202)内，和/或所述定位环圈(4)卡固于所述紧固件(1)的所述贯通孔(104)孔壁开设的第二定位槽(1041)内.The positioning ring (4) is fastened in the first positioning groove (202) opened on the outer surface of the valve stem (2), and/or the positioning ring (4) is fastened to the fastener (1) The through hole (104) is provided in the second positioning groove (1041) of the hole wall.
  7. 根据权利要求1所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 1, wherein
    所述动片(3)包括用于与所述阀杆(2)和所述紧固件(1)连接接触以封闭所述阀杆(2)所处空腔和实现所述动片(3)转动调节的密封段(303)以及用于与静片贴合密封接触并通过转动配合以构成不同径向尺寸的流体通道的调节段(304)，The movable piece (3) includes a connection for contacting the valve stem (2) and the fastener (1) to close a cavity in which the valve stem (2) is located and to realize the movable piece (3) Rotating the adjusted sealing section (303) and the adjustment section (304) for engaging the sealing sheet in sealing contact and by rotationally engaging to form fluid passages of different radial dimensions,
    所述调节段(304)的端面形状与静片上的进水开口形状相匹配。The shape of the end face of the adjustment section (304) matches the shape of the inlet opening on the static sheet.
  8. 根据权利要求7所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 7, wherein
    所述调节段(304)的转角部位和/或所述调节段(304)与所述密封段(303)之间的转角部位设有用于增加壁体强度的斜撑构造(305).The corner portion of the adjusting section (304) and/or the corner portion between the adjusting section (304) and the sealing section (303) is provided with a diagonal strut structure (305) for increasing the strength of the wall.
  9. 根据权利要求1所述的用于密封水阀的阀杆连体结构，其特征在于，A valve stem joint structure for sealing a water valve according to claim 1, wherein
    所述动片(3)的外侧壁面上设有用于与密封水阀阀体内腔壁体配合以限制所述动片(3)周向转动范围的限位件(306)。The outer side wall surface of the movable piece (3) is provided with a limiting member (306) for engaging with the sealing water valve body wall body to limit the circumferential rotation range of the moving piece (3).
  10. 一种密封水阀，其特征在于，包括权利要求1所述的用于密封水阀的阀杆连体结构.A sealing water valve, comprising the valve stem connecting structure for sealing a water valve according to claim 1.
PCT/CN2018/000372 2017-10-26 2018-10-26 Valve rod connecting structure for sealing water valve, and sealing water valve WO2019080365A1 (en)

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