CN112963590B - Embedded rapid interception one-way valve sleeve and method - Google Patents

Embedded rapid interception one-way valve sleeve and method Download PDF

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Publication number
CN112963590B
CN112963590B CN202110277397.9A CN202110277397A CN112963590B CN 112963590 B CN112963590 B CN 112963590B CN 202110277397 A CN202110277397 A CN 202110277397A CN 112963590 B CN112963590 B CN 112963590B
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China
Prior art keywords
valve sleeve
valve
sleeve
valve core
ring
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CN112963590A (en
Inventor
包唐伟
董万里
刘文忠
刘文亮
石教锐
张兆礼
龙文婷
孟春琦
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of sealing rings
    • F16K1/465—Attachment of sealing rings to the valve seats
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

An embedded quick cut-off one-way valve sleeve and a method thereof are characterized in that a valve sleeve end cover is matched with a valve sleeve end seat, a spring, a valve core sealing ring and a valve core are positioned in the valve sleeve end cover and constrained, a combined sealing element is positioned in the valve sleeve end seat, an adaptive sleeve passes through the combined sealing element and the valve sleeve end seat to be clamped with the valve core, the adaptive sleeve is pushed by a monitoring component and the valve sleeve end seat to jack the valve core to slide, the adaptive sleeve is communicated with the valve sleeve end cover, medium liquid after communication is contacted with a detection head of the monitoring component to realize monitoring, and the valve core resets to prevent the medium liquid from entering the valve sleeve end cover when a new monitoring component is replaced. The invention overcomes the problems that medium liquid needs to be emptied and too many uncontrolled factors are not in accordance with quick maintenance in the original container monitoring component replacing process, and has the characteristics of simple structure, avoidance of medium liquid emptying or excessive discharge, avoidance of secondary pollution, no influence of time factors in the replacing process, high replacing efficiency and simplicity and convenience in operation.

Description

Embedded rapid interception one-way valve sleeve and method
Technical Field
The invention belongs to the technical field of valves, and relates to an embedded quick-closure one-way valve sleeve and a method.
Background
Along with the continuous development of the society, the intelligent operation requirement of equipment is higher and higher, and the online monitoring of various safety signals is not required to be carried out, so that various safety state signal monitoring elements installed in an equipment system are very important, and great tests are provided for maintainers by later verification and replacement maintenance work of detection elements installed in an embedded equipment system.
At present, a general method for replacing and maintaining a monitoring component embedded in an equipment system is that firstly, medium liquid in the system is completely discharged, and then the monitoring component is removed, verified or replaced, because the monitoring component is generally arranged in the bottom area of an equipment container, the monitoring component can be removed only by completely discharging the medium liquid, the maintenance method wastes time, and simultaneously, the medium liquid is easily secondarily polluted after being discharged, and unnecessary economic loss is caused; the second method is that when the equipment is in emergency defect elimination, a temporary plug is generally manufactured for a monitoring component mounting port of the equipment, the working process of the method is that before the components are dismounted, a container is placed below the component mounting port for containing medium liquid flowing out after the monitoring components are dismounted, and after the monitoring components are dismounted, the plug is quickly screwed up.
Disclosure of Invention
The invention aims to solve the technical problem of providing an embedded quick cut-off one-way valve sleeve and a method, the embedded quick cut-off one-way valve sleeve is simple in structure, a valve sleeve end cover is matched with a valve sleeve end seat, a spring, a valve core sealing ring and a valve core are positioned in the valve sleeve end cover and constrained, a combined sealing member is positioned in the valve sleeve end seat, an adaptive sleeve passes through the combined sealing member and the valve sleeve end seat and is clamped with the valve core, a monitoring component is matched with the valve sleeve end seat to push the adaptive sleeve to push the valve core to slide, the adaptive sleeve is communicated with the valve sleeve end cover, after the communication, medium liquid is contacted with a detection head of the monitoring component to realize monitoring, the valve core resets to prevent the medium liquid from entering the valve sleeve end cover when a new monitoring component is replaced, the medium liquid is prevented from being emptied or excessively discharged, secondary pollution is avoided, the replacement process is not influenced by time factors, the replacement efficiency is high, and the operation is simple and convenient.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an embedded quick-closure one-way valve sleeve comprises a valve sleeve end cover, a spring, a valve core sealing ring, a valve core, an adaptive sleeve, a combined sealing element and a valve sleeve end seat; the valve sleeve end cover is matched with the valve sleeve end seat, the spring, the valve core sealing ring and the valve core are restrained in the valve sleeve end cover, and the adaptive sleeve penetrates through the valve sleeve end seat and the combined sealing piece to be connected with the valve core; the adaptive sleeve pushes the valve core to slide along the valve sleeve end cover, so that the adaptive sleeve is communicated with the valve sleeve end cover.
The valve sleeve end cover is a hollow cylinder, a raised connecting ring is arranged at one end in the cavity, an internal thread is arranged at the other end, and one end of the internal thread is matched with the valve sleeve end seat; the valve sleeve circulating holes communicated with the cavity are axially formed in the outer wall of the cylinder body of the valve sleeve end cover, and the valve sleeve circulating holes are uniformly distributed along the radial direction of the outer wall of the cylinder body.
And two ends of the spring are respectively connected with the connecting ring and the valve core of the valve sleeve end cover.
The valve core sealing ring is an O-shaped sealing ring, the O-shaped sealing ring is matched with the valve core, and the O-shaped sealing ring slides along the inner wall of the end cover of the valve sleeve along with the valve core when the spring stretches.
The valve core is of a circular structure, a bulge ring is arranged on one side of the valve core and is sleeved with a spring, a clamping ring is arranged on the other side of the valve core, and a sealing groove is formed in the outer wall of the valve core and matched with a valve core sealing ring.
The inner wall of the clamping ring is provided with a concave limiting groove, and the clamping groove radially penetrates through the clamping ring to be clamped with the end of the adaptive sleeve.
The adapter sleeve is a hollow cylinder with one closed end, an outwardly protruding clamping block is arranged at the closed end, and the clamping block is matched with a clamping groove arranged on the clamping ring; the outer wall of the barrel of the adaptive sleeve is provided with adaptive circulation holes communicated with the cavity, and the adaptive circulation holes are uniformly distributed along the radial direction of the outer wall of the barrel.
The combined sealing element comprises a metal inner ring and a metal outer ring which are respectively connected with the inner side and the outer side of the rubber ring; the rubber ring, the metal inner ring and the metal outer ring are integrally bonded and vulcanized to be formed.
The valve sleeve end seat is a hollow pipe body, the outer wall of the valve sleeve end seat is of a stepped structure, external threads, fastening threads and a fastening body are sequentially arranged from one end with a small cross section to the other end of the valve sleeve end seat, device threads are arranged in the pipe body located at one end of the fastening body, and the combined sealing piece is located on one side of the device threads and matched with steps in the pipe body.
The installation and interception method of the embedded quick interception one-way valve sleeve comprises the following steps:
s1, assembling an interception one-way valve sleeve,
s1-1, sleeving a valve core sealing ring in a sealing groove of a valve core to enable the valve core sealing ring and the sealing groove to form a whole;
s1-2, sleeving one end of a spring and a raised ring of a valve core to form a whole, inserting the other end of the spring into a valve sleeve end cover, and sleeving a connecting ring to form a whole;
s1-3, placing the combined sealing element into a cavity with a larger cross section of a valve sleeve end seat to contact with a step, wherein the other side of the combined sealing element is provided with a device thread;
s1-4, matching the internal thread of the end cover of the valve sleeve with the external thread of the end seat of the valve sleeve, and abutting the end of the end seat of the valve sleeve against the valve core after locking;
s1-5, inserting one end of a clamping block of an adaptive sleeve from a device threaded end of a valve sleeve end seat, rotating the adaptive sleeve to enable the clamping block to be matched with a clamping groove in a clamping ring after the end face of the clamping block is contacted with the end face of the clamping ring of a valve core, pushing the adaptive sleeve to rotate simultaneously, enabling the clamping block to rotate for an angle and a limiting groove in the inner side of the clamping ring, and forming the intercepting one-way valve sleeve;
s2, installing the interception one-way valve sleeve, inserting one end of a valve sleeve end cover of the interception one-way valve sleeve into the container from an installation hole of the container, matching fastening threads of a valve sleeve end seat with the installation hole, and rotating a fastening body to enable the interception one-way valve sleeve and the container to be connected into a whole;
s3, mounting a monitoring component, inserting one end of a monitoring head of the monitoring component into the adaptive sleeve, and matching threads on the outer wall of the monitoring component body with the device threads of the valve sleeve end seat;
the monitoring component is rotated to be gradually abutted against the adaptive sleeve, the adaptive sleeve pushes the valve core to slide along the valve sleeve end cover after being subjected to thrust, the spring is gradually compressed,
when the valve core slides, the stroke of the valve core gradually crosses over a valve sleeve circulation hole on a valve sleeve end cover, and medium liquid enters a valve sleeve end seat from the valve sleeve circulation hole and then enters an adaptive matching pipe from the valve sleeve end seat through an adaptive circulation hole to be contacted with a monitoring head of a monitoring component; at the moment, the side surface of the monitoring component body is in abutting seal with the combined sealing element;
s4, replacing, namely rotating the monitoring component body to withdraw from the valve sleeve end seat, synchronously extending a spring to push the valve core to slide along the valve sleeve end cover, and blocking medium liquid from entering the valve sleeve end seat when the valve core is retracted to the rear part of one end of a valve sleeve circulation hole in the valve sleeve end cover; and when the monitoring component body completely exits from the valve sleeve end seat, a new monitoring component is replaced.
An embedded quick flow-stopping one-way valve sleeve comprises a valve sleeve end cover, a spring, a valve core sealing ring, a valve core, an adaptive sleeve, a combined sealing piece and a valve sleeve end seat; the valve sleeve end cover is matched with the valve sleeve end seat, the spring, the valve core sealing ring and the valve core are restrained in the valve sleeve end cover, and the adaptive sleeve penetrates through the valve sleeve end seat and the combined sealing piece to be connected with the valve core; the adaptive sleeve pushes the valve core to slide along the valve sleeve end cover, so that the adaptive sleeve is communicated with the valve sleeve end cover. Simple structure, cooperate through valve barrel end cover and valve barrel end seat, a spring, case sealing washer and case are located the valve barrel end cover and are retrained, the combined seal spare is located the valve barrel end seat, the adaptation sleeve pipe passes combined seal spare and valve barrel end seat and case joint, promote the adaptation sleeve pipe through monitoring components and parts and valve barrel end seat cooperation and push up the case and slide, make adaptation sleeve pipe and valve barrel end cover intercommunication, medium liquid realizes the monitoring with the detection head contact of monitoring components and parts after the intercommunication, the case resets and prevents medium liquid entering valve barrel end cover during the new monitoring components and parts of change, avoid medium liquid evacuation or discharge excessive, avoid secondary pollution, the change process is not influenced by time factor, it is efficient to change, and easy operation is convenient.
In a preferred scheme, the valve sleeve end cover is a hollow cylinder, a raised connecting ring is arranged at one end in the cavity, internal threads are arranged at the other end, and one end of the internal threads is matched with the valve sleeve end seat; the valve sleeve circulating holes communicated with the cavity are axially formed in the outer wall of the cylinder body of the valve sleeve end cover, and the valve sleeve circulating holes are uniformly distributed along the radial direction of the outer wall of the cylinder body. Simple structure, during the installation, the internal thread of valve barrel end cover and the external screw-thread fit of valve barrel end seat constitute a whole, and the go-between outer wall cup joints with the internal diameter of spring one end, and the valve barrel opening is long waist shape hole, and long waist shape hole is laid along valve barrel opening outer wall axial, a plurality of radial evenly distributed in valve barrel opening outer wall of valve barrel opening.
In a preferred scheme, two ends of the spring are respectively connected with the connecting ring of the end cover of the valve sleeve and the valve core. The valve sleeve has the advantages that the structure is simple, and during installation, two ends of the spring are respectively sleeved with the connecting ring and the protruding ring of the valve core, so that the spring stably slides along the end cover of the valve sleeve during expansion.
In a preferable scheme, the valve core sealing ring is an O-shaped sealing ring, the O-shaped sealing ring is matched with the valve core, and the O-shaped sealing ring slides along the inner wall of the end cover of the valve sleeve along with the valve core when the spring stretches. The valve sleeve is simple in structure, during installation, the O-shaped sealing ring is matched with the valve core, the outer diameter of the O-shaped sealing ring is in contact sealing with the inner wall of the end cover of the valve sleeve, and the O-shaped sealing ring synchronously moves with the valve core when the valve core acts.
In the preferred scheme, the valve core is of a circular structure, one side of the valve core is provided with a bulge ring which is sleeved with the spring, the other side of the valve core is provided with a clamping ring, and a sealing groove which is positioned on the outer wall of the valve core is matched with a valve core sealing ring. Simple structure, during the installation, the valve core sealing washer forms a whole with the seal groove cooperation on the case, and the bulge loop is used for cup jointing with the spring, and the block ring is used for with adaptation sleeve pipe joint.
In a preferred scheme, a concave limiting groove is formed in the inner wall of the clamping ring, and the clamping groove radially penetrates through the clamping ring to be clamped with the end head of the adapter sleeve. Simple structure, during the installation, the block ring is used for with adaptation sleeve pipe cooperation joint, makes adaptation sleeve pipe and case connect into a whole.
In a preferred scheme, the adaptive sleeve is a hollow cylinder with one closed end, a clamping block protruding outwards is arranged at the closed end, and the clamping block is matched with a clamping groove arranged on the clamping ring; the outer wall of the barrel of the adaptive sleeve is provided with adaptive circulation holes communicated with the cavity, and the adaptive circulation holes are uniformly distributed along the radial direction of the outer wall of the barrel. The structure is simple, and when the adapter sleeve is installed, the clamping block at one end of the adapter sleeve is matched with the clamping groove on the clamping ring, and then the adapter sleeve and the valve core are connected into a whole by rotating an angle to enable the clamping block to be matched with the concave limiting groove; when the device is used, the medium liquid enters the cavity of the device from the adaptive circulation hole to contact with the monitoring head of the monitoring component, so that the monitoring of the medium liquid is realized.
In a preferred scheme, the combined sealing element comprises a metal inner ring and a metal outer ring which are respectively connected with the inner side and the outer side of the rubber ring; the rubber ring, the metal inner ring and the metal outer ring are integrally bonded and vulcanized to be formed. Simple structure, during the use, after monitoring component and valve barrel end socket cooperation, monitoring component body one side is contradicted with the built-up seal spare and is realized sealedly.
In preferred scheme, the valve barrel end seat is hollow body, and the outer wall is stair structure, sets gradually external screw thread, fastening screw thread and fastening body from the less one end in cross-section to the other end, is located to set up the device screw thread in the body of fastening body one end, and the combination sealing member is located device screw thread one side and the step cooperation in the body. The structure is simple, during installation, the external thread of the valve sleeve end seat is matched with the internal thread of the valve sleeve end cover, the fastening thread is matched with the installation hole of the container, and the device thread is matched with the monitoring element; in the process of thread matching of the monitoring element and the device, the monitoring element body side pushes the adaptive sleeve to jack the valve core, and when the valve core gradually crosses the valve sleeve circulation hole, medium liquid enters a space between the inner wall of the valve sleeve end seat and the outer wall of the adaptive sleeve and enters the adaptive sleeve from the adaptive circulation hole in the adaptive sleeve.
In a preferred scheme, the installation and interception method of the embedded quick interception one-way valve sleeve comprises the following steps:
s1, assembling a flow-stopping one-way valve sleeve,
s1-1, sleeving a valve core sealing ring in a sealing groove of a valve core to enable the valve core sealing ring and the sealing groove to form a whole;
s1-2, sleeving one end of a spring and a raised ring of a valve core to form a whole, inserting the other end of the spring into a valve sleeve end cover, and sleeving a connecting ring to form a whole;
s1-3, placing the combined sealing piece into a cavity at one end with a larger cross section of a valve sleeve end seat to contact with a step, and arranging a device thread at the other side of the combined sealing piece;
s1-4, matching the internal thread of the end cover of the valve sleeve with the external thread of the end seat of the valve sleeve, and abutting the end of the end seat of the valve sleeve against the valve core after locking;
s1-5, inserting one end of a clamping block of an adaptive sleeve from a device threaded end of a valve sleeve end seat, rotating the adaptive sleeve to enable the clamping block to be matched with a clamping groove on a clamping ring after the end face of the clamping block is contacted with the end face of the clamping ring of a valve core, and then pushing the adaptive sleeve to rotate simultaneously to enable the clamping block to rotate for an angle and a limiting groove on the inner side of the clamping ring to form a cut-off one-way valve sleeve;
s2, installing the interception one-way valve sleeve, inserting one end of a valve sleeve end cover of the interception one-way valve sleeve into the container from an installation hole of the container, matching fastening threads of a valve sleeve end seat with the installation hole, and rotating a fastening body to enable the interception one-way valve sleeve and the container to be connected into a whole;
s3, mounting a monitoring component, inserting one end of a monitoring head of the monitoring component into the adaptive sleeve, and matching threads on the outer wall of the monitoring component with the device threads of the valve sleeve end seat;
the monitoring component is rotated to be gradually abutted against the adaptive sleeve, the adaptive sleeve pushes the valve core to slide along the valve sleeve end cover after being subjected to thrust, the spring is gradually compressed,
when the valve core slides, the stroke of the valve core gradually crosses over a valve sleeve circulation hole on a valve sleeve end cover, and medium liquid enters a valve sleeve end seat from the valve sleeve circulation hole and then enters an adaptive matching pipe from the valve sleeve end seat through an adaptive circulation hole to be contacted with a monitoring head of a monitoring component; at the moment, the side surface of the monitoring component body is in abutting seal with the combined sealing element;
s4, replacing, namely rotating the monitoring component body to withdraw from the valve sleeve end seat, synchronously extending a spring to push the valve core to slide along the valve sleeve end cover, and blocking medium liquid from entering the valve sleeve end seat when the valve core is retracted to the rear part of one end of a valve sleeve circulation hole in the valve sleeve end cover; and when the monitoring component body completely exits from the valve sleeve end seat, a new monitoring component is replaced. The method is simple and convenient to operate, when a new monitoring component is replaced, the medium liquid in the container can not flow out, the medium liquid flowing out from the adaptive sleeve has small influence on the liquid level of the container, the replacement process is not influenced by time factors, and the replacement is quick.
An embedded quick cut-off one-way valve sleeve and a method thereof comprise a valve sleeve end cover, a spring, a valve core sealing ring, a valve core, an adaptive sleeve, a combined sealing element and a valve sleeve end seat, wherein the valve sleeve end cover is matched with the valve sleeve end seat, the spring, the valve core sealing ring and the valve core are positioned in the valve sleeve end cover and constrained, the combined sealing element is positioned in the valve sleeve end seat, the adaptive sleeve penetrates through the combined sealing element and the valve sleeve end seat to be clamped with the valve core, the adaptive sleeve is pushed to jack the valve core to slide by matching a monitoring component and the valve sleeve end seat, the adaptive sleeve is communicated with the valve sleeve end cover, medium liquid is contacted with a detection head of the monitoring component after being communicated to realize monitoring, and the valve core resets to prevent the medium liquid from entering the valve sleeve end cover when a new monitoring component is replaced. The invention overcomes the problems that medium liquid needs to be emptied and too many uncontrolled factors are not in accordance with quick maintenance in the original container monitoring component replacing process, and has the characteristics of simple structure, avoidance of medium liquid emptying or excessive discharge, avoidance of secondary pollution, no influence of time factors in the replacing process, high replacing efficiency and simplicity and convenience in operation.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic structural view of the valve sleeve end cap of the present invention.
Fig. 5 is a schematic structural view of the valve cartridge of the present invention.
Fig. 6 is a schematic view of the structure of the adapter sleeve of the present invention.
Fig. 7 is a schematic structural view of the composite sealing member of the present invention.
Fig. 8 is a schematic view of the valve sleeve end seat of the present invention.
Fig. 9 is a state diagram of the present invention.
Fig. 10 is a diagram of the monitoring component in the present invention in a shut-off state.
Fig. 11 is a diagram of the flow state of the monitoring component according to the present invention.
In the figure: the valve sleeve comprises a valve sleeve end cover 1, a connecting ring 11, internal threads 12, a valve sleeve circulation hole 13, a spring 2, a valve core sealing ring 3, a valve core 4, a convex ring 41, a clamping ring 42, a sealing groove 43, an adaptive sleeve 5, a clamping block 51, an adaptive circulation hole 52, a combined sealing element 6, a rubber ring 61, a metal inner ring 62, a metal outer ring 63, a valve sleeve end seat 7, external threads 71, fastening threads 72, a fastening body 73 and device threads 74.
Detailed Description
As shown in fig. 1 to 11, an embedded fast-closure one-way valve sleeve includes a valve sleeve end cover 1, a spring 2, a valve core sealing ring 3, a valve core 4, an adapting sleeve 5, a combined sealing member 6 and a valve sleeve end seat 7; the valve sleeve end cover 1 is matched with the valve sleeve end seat 7, the spring 2, the valve core sealing ring 3 and the valve core 4 are restrained in the valve sleeve end cover 1, and the adaptive sleeve 5 penetrates through the valve sleeve end seat 7 and the combined sealing piece 6 to be connected with the valve core 4; the adaptive sleeve 5 pushes the valve core 4 to slide along the valve sleeve end cover 1, so that the adaptive sleeve 5 is communicated with the valve sleeve end cover 1. Simple structure, cooperate with valve barrel end seat 7 through valve barrel end cover 1, spring 2, case sealing washer 3 and case 4 are located valve barrel end seat 1 and are retrained, built-up seal 6 is located valve barrel end seat 7, adapter sleeve 5 passes built-up seal 6 and valve barrel end seat 7 and case 4 joint, promote adapter sleeve 5 through monitoring components and parts and valve barrel end seat 7 cooperation and push up and move case 4 and slide, make adapter sleeve 5 and valve barrel end cover 1 intercommunication, medium liquid realizes the monitoring with the detection head contact of monitoring components and parts after the intercommunication, case 4 resets and prevents medium liquid to get into valve barrel end cover 1 when changing new monitoring components and parts, avoid medium liquid evacuation or discharge excess, avoid secondary pollution, the change process is not influenced by time factor, change efficiently, and is simple in operation and convenient.
In a preferred scheme, the valve sleeve end cover 1 is a hollow cylinder, a raised connecting ring 11 is arranged at one end in the cavity, an internal thread 12 is arranged at the other end, and one end of the internal thread 12 is matched with the valve sleeve end seat 7; the valve sleeve circulation holes 13 communicated with the cavity are axially formed in the outer wall of the cylinder of the valve sleeve end cover 1, and the valve sleeve circulation holes 13 are uniformly distributed along the radial direction of the outer wall of the cylinder. Simple structure, during the installation, the internal thread 12 of valve barrel end cover 1 cooperates with the external screw thread 71 of valve barrel end seat 7 and forms a whole, and go-between 11 outer wall cup joints with the internal diameter of 2 one ends of spring, and valve barrel opening 13 is long waist shape hole, and long waist shape hole is laid along the axial of 13 outer walls of valve barrel opening, and radial evenly distributed in 13 outer walls of valve barrel opening of a plurality of valve barrel openings 13.
In a preferred scheme, two ends of the spring 2 are respectively connected with the connecting ring 11 of the valve sleeve end cover 1 and the valve core 4. The valve sleeve is simple in structure, and during installation, two ends of the spring 2 are respectively sleeved with the connecting ring 11 and the protruding ring 41 of the valve core 4, so that the spring 2 stably slides along the valve sleeve end cover 1 during expansion and contraction.
In a preferred scheme, the valve core sealing ring 3 is an O-shaped sealing ring, the O-shaped sealing ring is matched with the valve core 4, and the O-shaped sealing ring slides along the inner wall of the valve sleeve end cover 1 along with the valve core 4 when the spring 2 stretches. The structure is simple, during installation, the O-shaped sealing ring is matched with the valve core 4, the outer diameter of the O-shaped sealing ring is in contact sealing with the inner wall of the valve sleeve end cover 1, and the O-shaped sealing ring moves synchronously with the valve core 4 when the valve core 4 moves.
In the preferred scheme, the valve core 4 is of a circular structure, one side of the valve core is provided with a bulge ring 41 which is sleeved with the spring 2, the other side of the valve core is provided with a clamping ring 42, and a sealing groove 43 which is positioned on the outer wall of the valve core 4 is matched with the valve core sealing ring 3. Simple structure, during the installation, valve core sealing washer 3 forms a whole with the seal groove 43 cooperation on the valve core 4, and bulge loop 41 is used for cup jointing with spring 2, and snap-fit ring 42 is used for with adapter sleeve 5 joint.
In a preferred scheme, a concave limiting groove is formed in the inner wall of the clamping ring 42, and the clamping groove radially penetrates through the clamping ring 42 to be clamped with the end of the adapter sleeve 5. The structure is simple, and during installation, the clamping ring 42 is used for being matched and clamped with the adapter sleeve 5, so that the adapter sleeve 5 and the valve core 4 are connected into a whole.
In a preferred scheme, the adaptive sleeve 5 is a hollow cylinder with one closed end, a clamping block 51 protruding outwards is arranged at the closed end, and the clamping block 51 is matched with a clamping groove arranged on the clamping ring 42; the outer wall of the barrel of the adaptation sleeve 5 is provided with adaptation circulation holes 52 communicated with the cavity, and the plurality of adaptation circulation holes 52 are uniformly distributed along the outer wall of the barrel in the radial direction. The structure is simple, and during installation, after the clamping block 51 at one end of the adaptive sleeve 5 is matched with the clamping groove on the clamping ring 42, the adaptive sleeve 5 and the valve core 4 are connected into a whole by rotating an angle to enable the clamping block 51 to be matched with the concave limiting groove; when the device is used, the medium liquid enters the cavity of the device from the adaptive circulation hole 52 and contacts with the monitoring head of the monitoring component, so that the monitoring of the medium liquid is realized.
In a preferable scheme, the combined sealing element 6 comprises a metal inner ring 62 and a metal outer ring 63 which are respectively connected with the inner side and the outer side of the rubber ring 61; the rubber ring 61, the metal inner ring 62 and the metal outer ring 63 are integrally bonded and vulcanized. Simple structure, during the use, after monitoring component and valve barrel end socket 7 cooperation, monitoring component body one side is contradicted with combination sealing member 6 and is realized sealedly.
In a preferred scheme, the valve sleeve end seat 7 is a hollow pipe body, the outer wall of the valve sleeve end seat is of a stepped structure, an external thread 71, a fastening thread 72 and a fastening body 73 are sequentially arranged from one end with a smaller cross section to the other end of the valve sleeve end seat, a device thread 74 is arranged in the pipe body at one end of the fastening body 73, and the combined sealing element 6 is arranged on one side of the device thread 74 and matched with a step in the pipe body. The structure is simple, during installation, the external thread 71 of the valve sleeve end seat 7 is matched with the internal thread 12 of the valve sleeve end cover 1, the fastening thread 72 is matched with the installation hole of the container, and the device thread 74 is matched with a monitoring element; in the process that the monitoring element is matched with the device thread 74, the monitoring element body side pushes the adapter sleeve 5 to jack the valve core 4, when the valve core 4 gradually crosses the valve sleeve through hole 13, medium liquid enters a space between the inner wall of the valve sleeve end seat 7 and the outer wall of the adapter sleeve 5 and enters the adapter sleeve 5 from the adapter through hole 52 on the adapter sleeve 5.
In a preferred scheme, the method for installing and intercepting the embedded quick intercepting one-way valve sleeve comprises the following steps:
s1, assembling a flow-stopping one-way valve sleeve,
s1-1, sleeving a valve core sealing ring 3 in a sealing groove 43 of a valve core 4 to enable the valve core sealing ring and the sealing groove to form a whole;
s1-2, one end of a spring 2 is sleeved with a raised ring 41 of a valve core 4 to form a whole, and the other end of the spring 2 is inserted into a valve sleeve end cover 1 to be sleeved with a connecting ring 11 to form a whole;
s1-3, placing the combined sealing element 6 into a cavity at one end of the valve sleeve end seat 7 with a larger cross section to contact with a step, and arranging a device thread 74 at the other side of the combined sealing element 6;
s1-4, matching the internal thread 12 of the valve sleeve end cover 1 with the external thread 71 of the valve sleeve end seat 7, and abutting the end of the valve sleeve end seat 7 against the valve core 4 after locking;
s1-5, inserting one end of a clamping block 51 of an adaptive sleeve 5 from a device thread 74 end of a valve sleeve end seat 7, rotating the adaptive sleeve 5 to enable the clamping block 51 to be matched with a clamping groove on a clamping ring 42 after the end surface of the clamping block 51 is contacted with the end surface of the clamping ring 42 of a valve core 4, pushing the adaptive sleeve 5 to rotate simultaneously, and enabling the clamping block 51 to rotate for an angle to be matched with a limiting groove on the inner side of the clamping ring 42 to form a cut-off one-way valve sleeve;
s2, installing the interception one-way valve sleeve, inserting one end of a valve sleeve end cover 1 of the interception one-way valve sleeve into the container from an installation hole of the container, matching a fastening thread 72 of a valve sleeve end seat 7 with the installation hole, and rotating a fastening body 73 to enable the interception one-way valve sleeve and the container to be connected into a whole;
s3, installing a monitoring component, inserting one end of a monitoring head of the monitoring component into the adaptive sleeve 5, and matching threads on the outer wall of the monitoring component with the component threads 74 of the valve sleeve end seat 7;
the monitoring component is rotated to be gradually pressed against the adaptive sleeve 5, the adaptive sleeve 5 is pushed to push the valve core 4 to slide along the valve sleeve end cover 1 after being pushed, the spring 2 is gradually compressed,
when the valve core 4 slides, the stroke of the valve core gradually crosses over the valve sleeve circulating hole 13 on the valve sleeve end cover 1, and medium liquid enters the valve sleeve end seat 7 from the valve sleeve circulating hole 13 and then enters the adaptation sleeve 5 from the valve sleeve end seat 7 through the adaptation circulating hole 52 to be contacted with a monitoring head of a monitoring component; at the moment, the side surface of the monitoring component body is in abutting seal with the combined sealing element 6;
s4, replacing, namely rotating the monitoring component body to withdraw from the valve sleeve end seat 7, synchronously extending the spring 2 to push the valve core 4 to slide along the valve sleeve end cover 1, and blocking medium liquid from entering the valve sleeve end seat 7 when the valve core 4 retreats to the rear part of one end of a valve sleeve circulation hole 13 on the valve sleeve end cover 1; when the monitoring component body completely exits from the valve sleeve end seat 7, a new monitoring component is replaced. The method is simple and convenient to operate, when a new monitoring component is replaced, the medium liquid in the container can not flow out, the medium liquid flowing out from the adapter sleeve 5 has small influence on the liquid level of the container, the replacement process is not influenced by time factors, and the replacement is quick.
When the embedded quick-closure one-way valve sleeve and the method are installed and used, the valve sleeve end cover 1 is matched with the valve sleeve end seat 7, the spring 2, the valve core sealing ring 3 and the valve core 4 are located in the valve sleeve end cover 1 and are constrained, the combined sealing piece 6 is located in the valve sleeve end seat 7, the adaptive sleeve 5 penetrates through the combined sealing piece 6 and the valve sleeve end seat 7 to be clamped with the valve core 4, the monitoring component is matched with the valve sleeve end seat 7 to push the adaptive sleeve 5 to push the valve core 4 to slide, the adaptive sleeve 5 is communicated with the valve sleeve end cover 1, the communicated medium liquid is contacted with a detection head of the monitoring component to realize monitoring, the valve core 4 resets to prevent the medium liquid from entering the valve sleeve end cover 1 when a new monitoring component is replaced, the medium liquid is prevented from being emptied or excessively discharged, secondary pollution is avoided, the replacement process is not influenced by time factors, the replacement efficiency is high, and the operation is simple and convenient.
During installation, the internal thread 12 of the valve sleeve end cover 1 is matched with the external thread 71 of the valve sleeve end seat 7 to form a whole, the outer wall of the connecting ring 11 is sleeved with the inner diameter of one end of the spring 2, the valve sleeve circulation holes 13 are long waist-shaped holes, the long waist-shaped holes are axially distributed along the outer wall of the valve sleeve circulation holes 13, and the valve sleeve circulation holes 13 are radially and uniformly distributed on the outer wall of the valve sleeve circulation holes 13.
During installation, two ends of the spring 2 are respectively sleeved with the connecting ring 11 and the raised ring 41 of the valve core 4, so that the spring 2 stably slides along the valve sleeve end cover 1 during expansion and contraction.
When the valve sleeve is installed, the O-shaped sealing ring is matched with the valve core 4, the outer diameter of the O-shaped sealing ring is in contact sealing with the inner wall of the valve sleeve end cover 1, and the O-shaped sealing ring moves synchronously with the valve core 4 when the valve core 4 acts.
During installation, the valve core sealing ring 3 and the sealing groove 43 on the valve core 4 are matched to form a whole, the bulge loop 41 is used for being sleeved with the spring 2, and the clamping loop 42 is used for being clamped with the adapter sleeve 5.
When the valve core is installed, the clamping ring 42 is used for being matched and clamped with the adapter sleeve 5, so that the adapter sleeve 5 and the valve core 4 are connected into a whole.
During installation, after the clamping block 51 at one end of the adaptive sleeve 5 is matched with the clamping groove on the clamping ring 42, the adaptive sleeve 5 and the valve core 4 are connected into a whole by rotating an angle to enable the clamping block 51 to be matched with the concave limiting groove; when the device is used, medium liquid enters the cavity of the device from the adaptive circulation hole 52 and contacts with a monitoring head of a monitoring component, so that the monitoring of the medium liquid is realized.
When the valve sleeve is used, after the monitoring element is matched with the valve sleeve end seat 7, one side of the monitoring element body is abutted against the combined sealing element 6 to realize sealing.
During installation, the external thread 71 of the valve sleeve end seat 7 is matched with the internal thread 12 of the valve sleeve end cover 1, the fastening thread 72 is matched with the installation hole of the container, and the device thread 74 is matched with a monitoring element; in the process of matching the monitoring element with the device thread 74, the monitoring element body side pushes the adapter sleeve 5 to jack the valve core 4, when the valve core 4 gradually crosses the valve sleeve circulating hole 13, the medium liquid enters the space between the inner wall of the valve sleeve end seat 7 and the outer wall of the adapter sleeve 5 and enters the adapter sleeve 5 from the adapter circulating hole 52 on the adapter sleeve 5.
The above-described embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention, and the embodiments and features in the embodiments in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.

Claims (6)

1. An embedded quick-closure one-way valve sleeve is characterized in that: the valve sleeve comprises a valve sleeve end cover (1), a spring (2), a valve core sealing ring (3), a valve core (4), an adaptive sleeve (5), a combined sealing element (6) and a valve sleeve end seat (7); the valve sleeve end cover (1) is matched with the valve sleeve end seat (7), the spring (2), the valve core sealing ring (3) and the valve core (4) are restrained in the valve sleeve end cover (1), and the adaptive sleeve (5) penetrates through the valve sleeve end seat (7) and the combined sealing element (6) to be connected with the valve core (4); the adaptive sleeve (5) pushes the valve core (4) to slide along the valve sleeve end cover (1), so that the adaptive sleeve (5) is communicated with the valve sleeve end cover (1);
the valve core (4) is of a circular structure, one side of the valve core is provided with a convex ring (41) which is sleeved with the spring (2), the other side of the valve core is provided with a clamping ring (42), and a sealing groove (43) which is positioned on the outer wall of the valve core (4) is matched with the valve core sealing ring (3);
the inner wall of the clamping ring (42) is provided with a concave limiting groove, and the clamping groove radially penetrates through the clamping ring (42) and is clamped with the end of the adapting sleeve (5);
the adaptive sleeve (5) is a hollow cylinder with one closed end, a clamping block (51) protruding outwards is arranged at the closed end, and the clamping block (51) is matched with a clamping groove arranged on the clamping ring (42); the outer wall of the cylinder body of the adapting sleeve (5) is provided with adapting circulation holes (52) communicated with the cavity, and a plurality of adapting circulation holes (52) are uniformly distributed along the radial direction of the outer wall of the cylinder body;
valve barrel end seat (7) are hollow body, and the outer wall is stair structure, sets gradually external screw thread (71), fastening screw thread (72) and fastener (73) from the less one end in cross-section to the other end, is located to set up device screw thread (74) in the body of fastener (73) one end, and combination sealing member (6) are located device screw thread (74) one side and the step cooperation in the body.
2. The embedded quick flow-stopping one-way valve sleeve as claimed in claim 1, wherein: the valve sleeve end cover (1) is a hollow cylinder, a raised connecting ring (11) is arranged at one end in the cavity, an internal thread (12) is arranged at the other end, and one end of the internal thread (12) is matched with the valve sleeve end seat (7); the valve sleeve end cover (1) is characterized in that valve sleeve circulation holes (13) communicated with the cavity are axially formed in the outer wall of the cylinder body, and the valve sleeve circulation holes (13) are uniformly distributed in the radial direction of the outer wall of the cylinder body.
3. The embedded quick flow-stopping one-way valve sleeve as claimed in claim 1, wherein: and two ends of the spring (2) are respectively connected with the connecting ring (11) of the valve sleeve end cover (1) and the valve core (4).
4. The embedded quick flow-stopping one-way valve sleeve as claimed in claim 1, wherein: the valve core sealing ring (3) is an O-shaped sealing ring, the O-shaped sealing ring is matched with the valve core (4), and the O-shaped sealing ring slides along the inner wall of the valve sleeve end cover (1) along with the valve core (4) when the spring (2) stretches.
5. The embedded quick flow-cut-off one-way valve sleeve as claimed in claim 1, wherein: the combined sealing element (6) comprises a metal inner ring (62) and a metal outer ring (63) which are respectively connected with the inner side and the outer side of the rubber ring (61); the rubber ring (61), the metal inner ring (62) and the metal outer ring (63) are integrally bonded and vulcanized.
6. The method for installing and intercepting the embedded quick interception check valve sleeve according to any one of claims 1 to 5, which is characterized by comprising the following steps:
s1, assembling a flow-stopping one-way valve sleeve,
s1-1, sleeving a valve core sealing ring (3) in a sealing groove (43) of a valve core (4) to enable the valve core sealing ring and the sealing groove to form a whole;
s1-2, sleeving one end of a spring (2) and a raised ring (41) of a valve core (4) to form a whole, inserting the other end of the spring (2) into a valve sleeve end cover (1) and sleeving a connecting ring (11) to form a whole;
s1-3, placing the combined sealing element (6) into a cavity at one end with a larger cross section of the valve sleeve end seat (7) to be contacted with a step, and arranging a device thread (74) at the other side of the combined sealing element (6);
s1-4, mutually matching the internal thread (12) of the valve sleeve end cover (1) with the external thread (71) of the valve sleeve end seat (7), and abutting the end of the locked valve sleeve end seat (7) against the valve core (4);
s1-5, inserting one end of a clamping block (51) of an adaptive sleeve (5) from a device thread (74) end of a valve sleeve end seat (7), rotating the adaptive sleeve (5) to enable the clamping block (51) to be matched with a clamping groove on a clamping ring (42) after the end face of the clamping block (51) is contacted with the end face of the clamping ring (42) of a valve core (4), pushing the adaptive sleeve (5) to rotate simultaneously, and enabling the clamping block (51) to rotate for an angle and a limiting groove on the inner side of the clamping ring (42) to form a flow-stopping one-way valve sleeve;
s2, installing the interception one-way valve sleeve, inserting one end of a valve sleeve end cover (1) of the interception one-way valve sleeve into the container from an installation hole of the container, matching a fastening thread (72) of a valve sleeve end seat (7) with the installation hole, and rotating a fastening body (73) to enable the interception one-way valve sleeve and the container to be connected into a whole;
s3, mounting a monitoring component, inserting one end of a monitoring head of the monitoring component into the adaptive sleeve (5), and matching threads on the outer wall of the monitoring component body with the device threads (74) of the valve sleeve end seat (7);
the monitoring component is rotated to be gradually abutted against the adaptive sleeve (5), the adaptive sleeve (5) is pushed to push the valve core (4) to slide along the valve sleeve end cover (1) after being pushed, the spring (2) is gradually compressed,
when the valve core (4) slides, the stroke of the valve core gradually crosses over a valve sleeve circulating hole (13) on a valve sleeve end cover (1), medium liquid enters a valve sleeve end seat (7) from the valve sleeve circulating hole (13), and then enters an adapting sleeve (5) from the valve sleeve end seat (7) through an adapting circulating hole (52) to be contacted with a monitoring head of a monitoring component; at the moment, the side surface of the monitoring component body is in abutting seal with the combined sealing element (6);
s4, replacing, namely rotating the monitoring component body to withdraw from the valve sleeve end seat (7), synchronously extending the spring (2) to push the valve core (4) to slide along the valve sleeve end cover (1), and blocking medium liquid from entering the valve sleeve end seat (7) when the valve core (4) retreats to the rear part of one end of a valve sleeve circulation hole (13) in the valve sleeve end cover (1); when the monitoring component body completely exits from the valve sleeve end seat (7), a new monitoring component is replaced.
CN202110277397.9A 2021-03-15 2021-03-15 Embedded rapid interception one-way valve sleeve and method Active CN112963590B (en)

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CN214500059U (en) * 2021-03-15 2021-10-26 中国长江电力股份有限公司 Interception valve sleeve communicated by abutting structure

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AU2003239888A1 (en) * 2002-05-28 2003-12-12 George Jefferson Greene Jr. Flow measurement and control system for positive displacement pumps
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Publication number Priority date Publication date Assignee Title
CN203441509U (en) * 2013-09-04 2014-02-19 巨隆集团芜湖兴隆液压有限公司 Novel large-flow hydraulic control one-way valve
CN206449289U (en) * 2016-11-18 2017-08-29 王玉堂 Non-return of beating monitors valve
CN207945328U (en) * 2018-01-23 2018-10-09 四川五月花精密机械有限公司 A kind of check valve assembly for wine distribution device
CN110671519A (en) * 2019-10-12 2020-01-10 邵玉强 Tubular flow control valve
CN111720594A (en) * 2020-04-30 2020-09-29 明达实业(厦门)有限公司 One-way valve with pressure relief protection function
CN214500059U (en) * 2021-03-15 2021-10-26 中国长江电力股份有限公司 Interception valve sleeve communicated by abutting structure

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