CN110319204A - Dual-valve body bellows pressure chamber drives core pipe valve - Google Patents
Dual-valve body bellows pressure chamber drives core pipe valve Download PDFInfo
- Publication number
- CN110319204A CN110319204A CN201810275844.5A CN201810275844A CN110319204A CN 110319204 A CN110319204 A CN 110319204A CN 201810275844 A CN201810275844 A CN 201810275844A CN 110319204 A CN110319204 A CN 110319204A
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- valve
- sleeve
- valve body
- pressure chamber
- bellows
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K1/46—Attachment of sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
Dual-valve body bellows pressure chamber of the invention drives core pipe valve, is related to pressure opening and closing, pulse, non-return, safety, adjusting, decompression and emergency cut-off etc.；The valve core tube for being wrapped in outer valve inner cavity is the coaxial sleeve II through the sleeve I of valve body, body cavity and valve body of fixing piece；There is axial interlayer in the middle part of valve core tube, the axially adjacent both sides of interlayer are at least one radial recirculation hole of input section and deferent segment respectively；Ring-shaped valve seats around at least one sleeve throat of the annular spool and sleeve I and sleeve II of interlayer constitutes sealing pair；Input section and sleeve I and deferent segment and sleeve II are that shaft hole mode cooperates the setting of its engaging portion to seal, and bellows pressure chamber is arranged in the engaging portion of input section and sleeve I, and bellows pressure chamber passes through the perforation of the preceding pressure of channel and valve；Under the action of both direction potential energy, valve body makees the mobile realization opening and closing of axial reciprocating, power and energy in outer body cavity.It is safe and reliable, No leakage, multipurpose.
Description
Technical field
Dual-valve body bellows pressure chamber driving core pipe valve belongs to valve field, is related to pressure opening and closing valve, check-valves, safety
Valve, pulse valve, automatic regulating valve and quick action emergency valve are the dual-valve body core pipes in the core pipe stem nut series of my original invention
Subfamily in valve plate block.
Background technique
Currently, existing valve, structure cannot have a variety of valve functions.
Summary of the invention
The object of the present invention is to provide dual-valve body bellows pressure chambers to drive core pipe valve, overcomes existing Special valve
Defect reduces the quantity of pipeline valve, meets safety in production and energy-efficient needs.
The present invention is to be attained in that the valve core tube for being wrapped in outer valve inner cavity is by following technical solution
It is connected to coaxial sleeve I, body cavity, the Yi Jifa through valve body of fixing piece of medium pipe network, pressure vessel, press device
The sleeve II of body；Have axial interlayer in the middle part of valve core tube, interlayer by the valve core tube of kernel and kernel radial radiation intermediate pipeline section structure
At；The axially adjacent both sides of interlayer are at least one radial recirculation hole of input section and deferent segment respectively；Around the annular of interlayer
The ring-shaped valve seats of at least one sleeve throat of spool and sleeve I and sleeve II constitutes sealing pair；Input section and sleeve I and output
Section is that shaft hole mode cooperates the setting of its engaging portion to seal with sleeve II, and bellows pressure chamber is arranged in the engaging portion of input section and sleeve I,
Bellows pressure chamber inner cavity passes through the perforation of the preceding pressure of channel and valve；Under the action of both direction potential energy, valve body is in outer valve
Chamber makees the mobile realization opening and closing of axial reciprocating, power and energy.
The present invention can also be attained in that the spool for being wrapped in outer valve inner cavity by following technical solution
Pipe for connection medium pipe network, pressure vessel, press device fixing piece it is coaxial through the sleeve I of valve body, body cavity, with
And the sleeve II of valve body；Have axial interlayer in the middle part of valve core tube, interlayer by kernel and the valve core tube of kernel radial radiation intermediate tube
Section is constituted；The axially adjacent both sides of interlayer are at least one radial recirculation hole of input section and deferent segment respectively, in input section one
Side radially flows out interlayer again axially into interlayer there are two the small recirculation hole of L shape and body cavity penetrates through；Around interlayer
Annular spool and the ring-shaped valve seats of at least one sleeve throat of sleeve I and sleeve II constitute sealing pair；Input section and sleeve I
It is that shaft hole mode cooperates the setting of its engaging portion to seal with deferent segment and sleeve II, bellows is arranged in the engaging portion of input section and sleeve I
Pressure chamber, bellows pressure chamber inner cavity pass through the perforation of the preceding pressure of channel and valve；Under the action of both direction potential energy, valve body is outside
Body cavity makees the mobile realization opening and closing of axial reciprocating, power and energy.
The rear pressure of the engaging portion of the deferent segment and sleeve II setting bellows pressure chamber and valve penetrates through, and channel is input
Radial communication hole on Duan Huanbi.
The bellows pressure chamber of the engaging portion setting, is provided simultaneously with sealing function.
The channel of the preceding pressure of the bellows pressure chamber and valve perforation is the radial communication hole on input section ring wall.
The channel of the preceding pressure of the bellows pressure chamber and valve perforation is communicating pipe, and control can be set in the middle part of communicating pipe
Valve.
Compressed spring is set between II end face of sleeve and corresponding outer valve inner face.
The interlayer is made of the intermediate pipeline section of the valve core tube of kernel and kernel radial radiation, can be it is integrated, can also
To be that kernel is axially forced to two of valve core tube parts and is constituted；Two axial end faces of the interlayer kernel are ligulate triangle slopes
Conveyance capacity is improved from interflow is diverted in face to greatest extent, realizes that medium flow direction is steady, flow resistance is small, low pressure loss；In interlayer
Two axial end faces of core can be spherical surface, is also possible to arc lower guide surface, can also be plane, concave surface and the conical surface.
The annular spool sealing surface around interlayer is slope surface, can be two-way slope surface, is also possible to arc slope.
At least one sleeve of the sleeve I and sleeve II has a liner of tubular, tubular liner be located at sleeve throat just with
Ring-shaped valve seats is integrally formed.
Ball is set between the annular inner wall of the outer valve and the annular outer wall of valve body.
Bellows seal is arranged in the engaging portion of the deferent segment and sleeve II, and bellows seal inner cavity passes through deferent segment
The rear pressure in radial communication hole and valve on ring wall penetrates through.
In conclusion dual-valve body bellows pressure chamber of the invention drives core pipe valve, have the active effect that
1, structure is simple, convenient for manufacture；
2, long service life, cost performance are high；
3, various operating conditions are adapted to substantially；
4, various bores are adapted to；
5, opening and closing resistance is small；
6, dual-valve body does not have external leakage problem；
7, interior sealing is mobile ring-shaped valve seats and fixed annular spool using sleeve structure, is axial straight contact,
Abrasion is reduced, sealing effect is very good；
8, multiple functions be can be realized.
Detailed description of the invention
Attached drawing 1,2 is the full the schematic diagram of the section structure in longitudinal direction of one embodiment of the invention.
Attached drawing 3,4 is the full the schematic diagram of the section structure in longitudinal direction of second embodiment of the invention.
Attached drawing 5,6,7 is the full the schematic diagram of the section structure in longitudinal direction of third embodiment of the invention.
Attached drawing 8,9,10,11,12 is the full the schematic diagram of the section structure in longitudinal direction of the 4th embodiment of the invention.
Attached drawing 13,14 is the full the schematic diagram of the section structure in longitudinal direction of the 5th embodiment of the invention.
Attached drawing 15,16,17,18,19 is the full the schematic diagram of the section structure in longitudinal direction of the 6th embodiment of the invention.
Attached drawing 20,21 is the full the schematic diagram of the section structure in longitudinal direction of the 7th embodiment of the invention.
1- valve core tube, 1 '-input section, 1 in figure "-deferent segment, 100- interlayer, 100 '-ligulate triangle slope surfaces, 101-
Annular spool, 103- recirculation hole, 105 "-intercommunicating pore, 2- valve body, 2 '-sleeves I, 2 "-sleeves II, the inner cavity 200-, 201- annular
Valve seat, 300- bellows seal, 302- sealing ring, 306- bellows pressure chamber, 307- bellows pressure chamber, 4- compression
Spring, 600- communicating pipe, 707- ball, 8- outer valve, 8 '-inner cavities.
Specific embodiment
Embodiment summary
Be wrapped in 8 inner cavity 8 ' of outer valve valve core tube 1 be the coaxial sleeve I 2 through valve body 2 of fixing piece ', valve body 2
Inner cavity 200 and valve body 2 sleeve II 2 "；There is axial interlayer 100 in the middle part of valve core tube 1, interlayer 100 is radial by kernel and kernel
The intermediate pipeline section of the valve core tube 1 of radiation is constituted；The axially adjacent both sides of interlayer 100 be respectively input section 1 ' and deferent segment 1 " extremely
A few radial recirculation hole 103；Around the annular spool 101 and sleeve I 2 ' and sleeve II 2 of interlayer 100 " at least one sleeve
The ring-shaped valve seats 201 of throat constitutes sealing pair；Input section 1 ' and sleeve I 2 ' and deferent segment 1 " with sleeve II 2 " are that shaft hole mode cooperates
The setting sealing of its engaging portion, input section 1 ' and sleeve I 2 ' engaging portion bellows pressure chamber 306, bellows pressure chamber 306 are set
Inner cavity passes through the perforation of the preceding pressure of channel and valve；Under the action of both direction potential energy, valve body 2 is made axial in 8 inner cavity 8 ' of outer valve
It moves back and forth and realizes opening and closing, power and energy.
Embodiment one
Referring to attached drawing 1,2, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, is used for non-return；It is described
The valve core tube 1 for being wrapped in 8 inner cavity 8 ' of outer valve is that fixing piece is coaxial from bottom to up through the sleeve of valve body 2 perpendicular to ground
I 2 ', the sleeve II 2 of 2 inner cavity 200 of valve body and valve body 2 "；There is axial interlayer 100 in the middle part of valve core tube 1, the two of 100 kernel of interlayer
A axial end face is spherical surface；The axially adjacent both sides of interlayer 100 are input section 1 ' and deferent segment 1 respectively " two radial circulations
Hole 103；The sealing surface for surrounding and being embedded in the annular spool 101 of interlayer 100 is arc slope and II 2 " throat of sleeve I 2 ' and sleeve
Ring-shaped valve seats 201 constitute sealing pair；Input section 1 ' and sleeve I 2 ' and deferent segment 1 " with sleeve II 2 " are that shaft hole mode cooperates；
Input section 1 ' and sleeve I 2 ' engaging portion bellows pressure chamber 306 is set, 306 inner cavity of bellows pressure chamber passes through input section 1 '
Radial communication hole 105 on ring wall " and the preceding pressure of valve penetrates through；Sylphon seal is arranged in the engaging portion of deferent segment 1 " with sleeve II 2 "
Part 300.
It is Normal on state, pipe network pressure medium is normal, the pressure medium shape of bellows pressure chamber 306 shown in attached drawing 1
The thrust of pairs of I 2 ' end face of sleeve, moves upwardly into 2 axis of valve body and is in the open position always, " the annular plate valve of throat of sleeve II 2
Seat 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and the perforation of inner cavity 200, flow of media.
Shown in attached drawing 2, it is in off state, at this point, pipe network pressure medium subnormal pressure or pressure source is lost, ripple
The pressure in pipe pressure cabin 306 is less than the self weight of valve body 2, and valve body 2 is axial to be moved down, " the ring-shaped valve seats 201 and ring of throat of sleeve II 2
Shape spool 101 is closely affixed；Meanwhile the refluence medium of the rear pressure of valve is gradually truncated.
Embodiment two
Referring to attached drawing 3,4, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, opened and closed for pressure,
Safety；The valve core tube 1 for being wrapped in 8 inner cavity 8 ' of outer valve is that fixing piece is coaxial from bottom to up through valve perpendicular to ground
The sleeve I 2 of body 2 ', the sleeve II 2 of 2 inner cavity 200 of valve body and valve body 2 "；Two axial end faces of 100 kernel of interlayer are ligulates
Triangle slope surface 100 '；" there are two radial recirculation holes 103 for input section 1 ' and deferent segment 1；101 sealing surface of annular spool is circular arc
" ring-shaped valve seats 201 of throat constitutes sealing pair for slope surface and sleeve I 2 ' and sleeve II 2；Input section 1 ' and sleeve I 2 ' combination
The bellows pressure chamber 306 of portion's setting passes through the perforation of the preceding pressure of communicating pipe 600 and valve；The engaging portion of deferent segment 1 " with sleeve II 2 "
Bellows seal 300 is set；" compressed spring 4 is arranged in sleeve II 2 between end face and corresponding 8 inner face of outer valve；Outer valve
Ball 707 is set between the annular inner wall of body 8 and the annular outer wall of valve body 2.
It is opened and closed for pressure:
It shown in attached drawing 3, is in off state, pipeline pressure medium is lower than requirements, the pressure medium of bellows pressure chamber 306
The elastic force that compressed spring 4 is insufficiently resistant to the thrust of I 2 ' end face of sleeve is formed, valve body 2 is in the closed position, II 2 " larynx of sleeve
The ring-shaped valve seats 201 in portion is closely affixed with annular spool 101.
It is open state, at this point, pipeline pressure medium reaches requirements, Jie of bellows pressure chamber 306 shown in attached drawing 4
Matter pressure initiation oppresses compressed spring 4 to the thrust of I 2 ' end face of sleeve, moves up valve body 2 axially, " the ring of throat of sleeve II 2
Shape valve seat 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
For safety:
It shown in attached drawing 3, is in off state, pipe network pressure medium is normal, and the pressure medium of bellows pressure chamber 306 is formed pair
The thrust of I 2 ' end face of sleeve is insufficiently resistant to the elastic force of compressed spring 4, and valve body 2 is in the closed position always, II 2 " throat of sleeve
Ring-shaped valve seats 201 be closely affixed with annular spool 101.
It is open state, at this point, pipe network pressure medium superelevation is in normal pressure, bellows pressure chamber 306 shown in attached drawing 4
The thrust to I 2 ' end face of sleeve is formed full of high-pressure medium, oppresses compressed spring 4, moves up valve body 2 axially, II 2 " larynx of sleeve
The ring-shaped valve seats 201 in portion leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, surpass
Press medium release.
Embodiment three
Referring to attached drawing 5,6,7, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, opens for pressure
It closes, non-return, emergency cut-off and reversed safety；The valve core tube 1 for being wrapped in 8 inner cavity 8 ' of outer valve is fixing piece perpendicular to ground
It is coaxial from bottom to up through the sleeve I 2 of valve body 2 ', the sleeve II 2 of 2 inner cavity 200 of valve body and valve body 2 "；In interlayer 100
Two axial end faces of core are ligulate triangle slope surfaces 100 '；" there are two radial recirculation holes 103 for input section 1 ' and deferent segment 1；Ring
101 sealing surface of shape spool is that " ring-shaped valve seats 201 of throat constitutes sealing pair for two-way slope surface and sleeve I 2 ' and sleeve II 2；It is defeated
Enter section 1 ' and sleeve I 2 ' the bellows pressure chamber 306 of engaging portion setting pass through the radial communication hole on 1 ' ring wall of input section
105 " it is penetrated through with the preceding pressure of valve；Bellows seal 300 is arranged in the engaging portion of deferent segment 1 " with sleeve II 2 "；II 2 " end face of sleeve
Compressed spring 4 is set between corresponding 8 end face of outer valve；Between the annular inner wall of outer valve 8 and the annular outer wall of valve body 2
Ball 707 is set.
It is Normal on state, pipe network pressure medium is normal, the pressure medium shape of bellows pressure chamber 306 shown in attached drawing 5
The thrust of pairs of I 2 ' end face of sleeve oppresses compressed spring 4, moves up valve body 2 axially, " the ring-shaped valve seats 201 of throat of sleeve II 2
Leave annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
It is abnormal closed state shown in attached drawing 6, at this point, the pressure medium superelevation of pipe network, bellows pressure chamber 306
Super-pressure medium, which is formed, oppresses compressed spring 4 to the powerful thrust of I 2 ' end face of sleeve, makes valve body 2 continue axially to move up, sleeve I
The ring-shaped valve seats 201 of 2 ' throats is closely affixed with annular spool 101, is cut off super-pressure medium flow field, is protected the safety of pipeline.
It shown in attached drawing 7, is in off state, at this point, pipe network medium loses pressure source, the elastic force of compressed spring 4 makes 2 axis of valve body
To moving down, " ring-shaped valve seats 201 of throat is closely affixed sleeve II 2 with annular spool 101；Meanwhile it flowing backwards medium and being truncated.
Example IV
Referring to attached drawing 8,9,10,11,12, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, is used for
Pressure opening and closing, adjusting, decompression, non-return, emergency cut-off；Two axial end faces of 100 kernel of interlayer are spherical surfaces；Input section 1 '
" there are four radial recirculation holes 103 with deferent segment 1；It surround and is circular arc with 101 sealing surface of annular spool of 100 one of interlayer
" ring-shaped valve seats 201 of throat constitutes sealing pair for slope surface and sleeve I 2 ' and sleeve II 2；Input section 1 ' and sleeve I 2 ' combination
The bellows pressure chamber 306 of portion's setting passes through the perforation of the preceding pressure of communicating pipe 600 and valve；The engaging portion of deferent segment 1 " with sleeve II 2 "
Bellows seal 300 is set, after bellows seal 300 is by deferent segment 1 " the radial communication hole 105 on ring wall " and valve
Pressure perforation；" compressed spring 4 is arranged in sleeve II 2 between end face and corresponding 8 inner face of outer valve；Sleeve I 2 ' and sleeve II 2 "
There is the liner of tubular；Ball 707 is set between the annular inner wall of outer valve 8 and the annular outer wall of valve body 2.
It is opened and closed for pressure:
It shown in attached drawing 8, is in off state, pipe network pressure medium is lower than requirements, the pressure medium of bellows pressure chamber 306
The elastic force that compressed spring 4 is insufficiently resistant to the thrust of I 2 ' end face of sleeve is formed, valve body 2 is in the closed position, II 2 " larynx of sleeve
The ring-shaped valve seats 201 in portion is closely affixed with annular spool 101.
It is open state, at this point, pipe network pressure medium reaches requirements, Jie of bellows pressure chamber 306 shown in attached drawing 10
Matter pressure initiation oppresses compressed spring 4 to the thrust of I 2 ' end face of sleeve, makes valve body 2 to deferent segment 1 " direction is mobile, sleeve II 2 "
The ring-shaped valve seats 201 of throat leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through,
Flow of media.
Such as aircraft refuelling machine end valve, into after reservoir port, oil pump is opened, the medium of bellows pressure chamber 306
Pressure initiation oppresses compressed spring 4, valve opening, aero oil discharge to the thrust of I 2 ' end face of sleeve；After oil pump is shut down, wave
Line pipe pressure cabin 306 loses pressure source, the elastic force acting of compressed spring 4, and valve is closed, and the late gate of several seconds may exit off oil
Case is not in fuel injection event.
It is depressurized for adjusting:
It shown in attached drawing 8, is in off state, pipe network pressure medium is normal, and the pressure medium of bellows pressure chamber 306 is formed pair
The thrust of I 2 ' end face of sleeve is insufficiently resistant to the elastic force of compressed spring 4, and valve body 2 is in the closed position, " the ring of throat of sleeve II 2
Shape valve seat 201 is closely affixed with annular spool 101.
It is micro- open state, pipe network pressure medium subnormal pressure, the medium of bellows pressure chamber 306 shown in attached drawing 9
Pressure initiation suppresses compressed spring 4 to the thrust of I 2 ' end face of sleeve, keeps valve body 2 mobile to 1 ' direction of input section, II 2 " larynx of sleeve
The ring-shaped valve seats 201 in portion leaves annular spool 101, and the recirculation hole 103 of sleeve II 2 " annular inner wall covered deferent segment 1 " is big
Part, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, a small amount of flow of media.
It is open state, at this point, pipe network pressure medium is normal, the medium of bellows pressure chamber 306 is formed shown in attached drawing 10
Compressed spring 4 is oppressed to the thrust of I 2 ' end face of sleeve, making valve body 2 to deferent segment 1, " direction is mobile, " the annular of throat of sleeve II 2
Valve seat 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
It is micro- open state shown in attached drawing 11, pipe network pressure medium is higher than normal pressure, the height of bellows pressure chamber 306
It presses the pressure initiation of medium to oppress compressed spring 4 to the thrust of I 2 ' end face of sleeve, makes " the direction shifting excessive to deferent segment 1 of valve body 2
It is dynamic, sleeve I 2 ' annular inner wall covered input section 1 ' recirculation hole 103 it is most of, input section 1 ' and deferent segment 1 " circulation
Hole 103 and inner cavity 200 penetrate through, a small amount of flow of media, achieve the purpose that adjust decompression.
For non-return:
It shown in attached drawing 8, is in off state, pipe network pressure medium subnormal pressure or loses pressure source, bellows pressure
Power cabin 306 forms the thrust to I 2 ' end face of sleeve without pressure medium, is insufficiently resistant to the elastic force of compressed spring 4, at valve body 2
In closed position, " ring-shaped valve seats 201 of throat is closely affixed sleeve II 2 with annular spool 101.
It is open state shown in attached drawing 10, at this point, pipe network pressure medium is normal, the pressure medium of bellows pressure chamber 306
It is formed and compressed spring 4 is oppressed to the thrust of I 2 ' end face of sleeve, making valve body 2 to deferent segment 1, " direction is mobile, and sleeve II 2 be " throat
Ring-shaped valve seats 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, medium flow field
It is logical.
For emergency cut-off:
It is open state shown in attached drawing 10, at this point, pipe network pressure medium is normal, the pressure medium of bellows pressure chamber 306
It is formed and compressed spring 4 is oppressed to the thrust of I 2 ' end face of sleeve, making valve body 2 to deferent segment 1, " direction is mobile, and sleeve II 2 be " throat
Ring-shaped valve seats 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, medium flow field
It is logical.
It is abnormal closed state shown in attached drawing 12, at this point, the pressure medium superelevation of pipe network, bellows pressure chamber 306
Super-pressure medium, which is formed, oppresses compressed spring 4 to the powerful thrust of I 2 ' end face of sleeve, makes valve body 2 to deferent segment 1 " direction is mobile,
The ring-shaped valve seats 201 of I 2 ' throat of sleeve is closely affixed with annular spool 101, is cut off super-pressure medium flow field, is protected the peace of pipeline
Entirely.
Embodiment five
Referring to attached drawing 13,14, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, opens for pressure
It closes, safety, non-return；The valve core tube 1 for being wrapped in 8 inner cavity 8 ' of outer valve is the coaxial sleeve I through valve body 2 of fixing piece
2 ', 2 inner cavity 200 of valve body and valve body 2 sleeve II 2 "；8 inner face of outer valve package and two axial ends with valve core tube 1
Face is affixed, and center perforation, at least one end of outer valve 8 connects medium pipe network, pressure vessel, press device；The two of 100 kernel of interlayer
A axial end face is ligulate triangle slope surface 100 '；" there are two radial recirculation holes 103 for input section 1 ' and deferent segment 1；Annular spool
101 sealing surfaces are that " ring-shaped valve seats 201 of throat constitutes sealing pair for two-way slope surface and sleeve I 2 ' and sleeve II 2；Input section 1 '
With sleeve I 2 ' the bellows pressure chamber 306 of engaging portion setting penetrated through by the preceding pressure of communicating pipe 600 and valve；Deferent segment 1 " with
Sleeve II 2 " engaging portion setting bellows seal 300 and sealing ring 302, bellows seal 300 passes through 1 " ring of deferent segment
Radial communication hole 105 on wall " and the rear pressure of valve penetrates through；Sleeve II 2 " is set between end face and corresponding 8 inner face of outer valve
Set compressed spring 4.
It is opened and closed for pressure:
It is Normal on state shown in attached drawing 13, pipeline pressure medium reaches requirements, Jie of bellows pressure chamber 306
Matter pressure initiation is in the open position valve body 2 always the thrust of I 2 ' end face of sleeve, " the ring-shaped valve seats of throat of sleeve II 2
201 leave annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
Shown in attached drawing 14, it is in off state, at this point, pipeline pressure medium is lower than demand pressure, bellows pressure chamber 306
Pressure medium is insufficiently resistant to the elastic force of compressed spring 4, and valve body 2 is mobile to 1 ' direction of input section, " the annular of throat of sleeve II 2
Valve seat 201 is closely affixed with annular spool 101.
For safety:
It is abnormal start-up state, pipe network pressure medium superelevation, the high-pressure medium of bellows pressure chamber 306 shown in attached drawing 13
The thrust to I 2 ' end face of sleeve is formed, opens valve body 2 rapidly, " ring-shaped valve seats 201 of throat leaves annular spool to sleeve II 2
101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, the release of superpressure medium.
Shown in attached drawing 14, it is in off state, at this point, pipe network pressure medium is normal, the pressure of 306 inner cavity of bellows pressure chamber
Be insufficiently resistant to the elastic force of compressed spring 4, valve body 2 is mobile to 1 ' direction of input section, sleeve II 2 " ring-shaped valve seats 201 of throat with
Annular spool 101 is closely affixed.
For non-return:
It is Normal on state, pipe network pressure medium is normal, the pressure medium of bellows pressure chamber 306 shown in attached drawing 13
The thrust to I 2 ' end face of sleeve is formed, being in the open position valve body 2 always, sleeve II 2, " ring-shaped valve seats 201 of throat leaves
Annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
It shown in attached drawing 14, is in off state, at this point, pipe network medium loses pressure source, the elastic force of compressed spring 4 makes valve body 2
Mobile to 1 ' direction of input section, " ring-shaped valve seats 201 of throat is closely affixed sleeve II 2 with annular spool 101；Meanwhile it flowing backwards and being situated between
Matter is gradually truncated.
Embodiment six
Referring to attached drawing 15,16,17,18,19, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, uses
In pressure opening and closing, adjusting, decompression, pressure limiting, non-return；Two axial end faces of 100 kernel of interlayer are spherical surfaces；Surround and with every
The sealing surface of the annular spool 101 of 100 one of layer is arc slope and sleeve I 2 ' and " ring-shaped valve seats 201 of throat of sleeve II 2
Constitute sealing pair；" there are four radial recirculation holes 103, there are two 1 ' sides of input section for input section 1 ' and deferent segment 1
The small recirculation hole 103 of L shape axially into interlayer 100 radially flow out again interlayer 100 across the axial middle part of annular spool 101 with
Inner cavity 200 penetrates through；Input section 1 ' and sleeve I 2 ' its inner cavity of bellows pressure chamber 306 of engaging portion setting pass through communicating pipe 600
It is penetrated through with the preceding pressure of valve；Bellows seal 300, bellows seal 300 is arranged in the engaging portion of deferent segment 1 " with sleeve II 2 "
Inner cavity is penetrated through by the rear pressure of deferent segment 1 " the radial communication hole 105 on ring wall " and valve；Sleeve II 2 " end face with it is corresponding outer
Compressed spring 4 is set between 8 inner face of valve body；Sleeve I 2 ' and sleeve II 2 " have the liner of tubular；In the annular of outer valve 8
Ball 707 is set between wall and the annular outer wall of valve body 2.
It is open state, at this point, pipe network pressure medium is normal, the medium of bellows pressure chamber 306 is formed shown in attached drawing 15
Compressed spring 4 is oppressed to the thrust of I 2 ' end face of sleeve, making valve body 2 to deferent segment 1, " direction is mobile, " the annular of throat of sleeve II 2
Valve seat 201 leaves annular spool 101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, flow of media.
It is micro- open state shown in attached drawing 16, pipe network pressure medium is higher than normal pressure, Jie of bellows pressure chamber 306
Matter pressure initiation oppresses compressed spring 4 to the thrust of I 2 ' end face of sleeve, makes valve body 2 excessive to deferent segment 1 " direction movement, sleeve
I 2 ' annular inner wall covered input section 1 ' recirculation hole 103 it is most of, input section 1 ' and deferent segment 1 " recirculation hole 103 and
Inner cavity 200 penetrates through, a small amount of flow of media, achievees the purpose that adjust decompression.
It is the micro- open state of superpressure, at this point, the pressure medium superelevation of pipe network, bellows pressure chamber 306 fill shown in attached drawing 17
Full superelevation pressure medium, which is formed, oppresses compressed spring 4 to the powerful thrust of I 2 ' end face of sleeve, makes valve body 2 to 1 " direction of deferent segment
Mobile, ring-shaped valve seats 201 and the annular spool 101 of I 2 ' throat of sleeve are closely affixed, and cutting super-pressure medium is big from input section 1 '
Recirculation hole 103 enter inner cavity 200, be merely able to enter inner cavity 200 by the small recirculation hole 103 of two L shapes, reach pressure limiting
Purpose.
Shown in attached drawing 18, for i.e. by closed state, pipe network pressure medium subnormal pressure, bellows pressure chamber 306
Pressure medium forms the elastic force for being less than compressed spring 4 to the thrust of I 2 ' end face of sleeve, keeps valve body 2 mobile to 1 ' direction of input section,
" ring-shaped valve seats 201 of throat leaves annular spool 101 to sleeve II 2, the stream of sleeve II 2 " annular inner wall covered deferent segment 1 "
Through-hole 103 is most of, input section 1 ' and deferent segment 1 " recirculation hole 103 and the perforation of inner cavity 200, a small amount of flow of media.
It shown in attached drawing 19, is in off state, pipe network pressure medium subnormal pressure or loses pressure source, bellows pressure
Power cabin 306 forms the elastic force that compressed spring 4 is insufficiently resistant to the thrust of I 2 ' end face of sleeve without pressure medium, and valve body 2 is in
" ring-shaped valve seats 201 of throat is closely affixed with annular spool 101, and cutting medium is flow backwards, and realization stops for closed position, sleeve II 2
It returns.
Embodiment seven
Referring to attached drawing 20,21, dual-valve body bellows pressure chamber described in the present embodiment drives core pipe valve, is used for pulse；Institute
Stating and being wrapped in the valve core tube 1 of 8 inner cavity 8 ' of outer valve is that fixing piece is coaxial from top to bottom through the sleeve of valve body 2 perpendicular to ground
Pipe I 2 ', the sleeve II 2 of 2 inner cavity 200 of valve body and valve body 2 "；Two axial end faces of 100 kernel of interlayer are ligulate triangle slopes
Face 100 '；" there are two radial recirculation holes 103 for input section 1 ' and deferent segment 1；101 sealing surface of annular spool be arc slope with
Sleeve I 2 ' " ring-shaped valve seats 201 of throat constitutes sealing pair with sleeve II 2；Input section 1 ' and sleeve I 2 ' engaging portion be arranged
Bellows pressure chamber 306 pass through two radial communication holes 105 on 1 ' ring wall of input section " and the preceding pressure of valve penetrate through；Deferent segment
The bellows pressure chamber 307 of the engaging portion setting of 1 " with sleeve II 2 " passes through " the six radial communication holes on ring wall of deferent segment 1
105 " it is penetrated through with the rear pressure of valve；The internal diameter of 307 inner cavity of bellows pressure chamber is greater than the internal diameter of 306 inner cavity of bellows pressure chamber；Sleeve
" compressed spring 4 is arranged in pipe II 2 between end face and corresponding 8 inner face of outer valve；The annular inner wall of outer valve 8 and valve body 2
Ball 707 is set between annular outer wall.
It is open state, at this point, 306 inner cavity pressure medium of bellows pressure chamber is formed to sleeve I 2 ' end shown in attached drawing 20
The thrust in face oppresses compressed spring 4, moves down valve body 2 axially, " ring-shaped valve seats 201 of throat leaves annular spool to sleeve II 2
101, input section 1 ' and deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, medium quickly circulates.
It shown in attached drawing 21, is in off state, 307 inner cavity of bellows pressure chamber " quickly fills with band by six intercommunicating pores 105
Pressure medium is formed to sleeve II 2 " thrust of end face, meanwhile, to sleeve II 2, " thrust of end face, makes valve to the elastic force of compressed spring 4
2 axis of body moves upwardly into the state of being momentarily closed, sleeve II 2, and " ring-shaped valve seats 201 of throat is closely affixed with annular spool 101.
After valve body 2 is momentarily closed, 307 inner cavity pressure medium of bellows pressure chamber is reduced, 306 inner cavity of bellows pressure chamber
Form the thrust to I 2 ' end face of sleeve full of higher pressure medium again, in cycles be opened into closings, formation stream of pulses.
Claims (10)
1. dual-valve body bellows pressure chamber drives core pipe valve, which is characterized in that be wrapped in the valve core tube of outer valve (8) inner cavity (8 ')
It (1) is the coaxial sleeve through the sleeve I (2 ') of valve body (2), valve body (2) inner cavity (200) and valve body (2) of fixing piece
Ⅱ(2″)；Have axial interlayer (100) in the middle part of valve core tube (1), interlayer (100) by kernel and kernel radial radiation valve core tube (1)
Intermediate pipeline section constitute；The axially adjacent both sides of interlayer (100) are at least one of input section (1 ') and deferent segment (1 ") respectively
Radial recirculation hole (103)；Annular spool (101) and at least one of sleeve I (2 ') and sleeve II (2 ") around interlayer (100)
The ring-shaped valve seats (201) of sleeve throat constitutes sealing pair；Input section (1 ') and sleeve I (2 ') and deferent segment (1 ") and sleeve II
(2 ") cooperate the setting sealing of its engaging portion for shaft hole mode, wherein bellows is arranged in the engaging portion of input section (1 ') and sleeve I (2 ')
Pressure chamber (306), bellows pressure chamber (306) inner cavity pass through the perforation of the preceding pressure of channel and valve；In the effect of both direction potential energy
Under, valve body (2) is in the mobile realization opening and closing of outer valve (8) inner cavity (8 ') axial reciprocating and power and energy.
2. dual-valve body bellows pressure chamber drives core pipe valve, which is characterized in that be wrapped in the valve core tube of outer valve (8) inner cavity (8 ')
It (1) is the coaxial sleeve through the sleeve I (2 ') of valve body (2), valve body (2) inner cavity (200) and valve body (2) of fixing piece
Ⅱ(2″)；Have axial interlayer (100) in the middle part of valve core tube (1), interlayer (100) by kernel and kernel radial radiation valve core tube (1)
Intermediate pipeline section constitute；The axially adjacent both sides of interlayer (100) are at least one of input section (1 ') and deferent segment (1 ") respectively
Radial recirculation hole (103), in input section (1 ') side, there are two the small recirculation holes (103) of L shape axially into interlayer
(100) interlayer (100) and inner cavity (200) are radially flowed out again to penetrate through；Annular spool (101) and sleeve I around interlayer (100)
The ring-shaped valve seats (201) of at least one sleeve throat of (2 ') and sleeve II (2 ") constitutes sealing pair；Input section (1 ') and sleeve I
(2 ') and deferent segment (1 ") and sleeve II (2 ") are that shaft hole mode cooperates the setting of its engaging portion to seal, wherein input section (1 ') and sleeve
Bellows pressure chamber (306) are arranged in the engaging portion of pipe I (2 '), and bellows pressure chamber (306) inner cavity passes through the preceding pressure in channel and valve
Perforation；Under the action of both direction potential energy, valve body (2) outer valve (8) inner cavity (8 ') axial reciprocating it is mobile realize opening and closing and
Power and energy.
3. dual-valve body bellows pressure chamber described in accordance with the claim 1 drives core pipe valve, which is characterized in that the deferent segment
Engaging portion setting bellows pressure chamber (307) of (1 ") and sleeve II (2 ") passes through the radial communication hole on deferent segment (1 ") ring wall
The perforation of the rear pressure of (105 ") and valve.
4. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the interlayer
(100) two axial end faces of kernel are ligulate triangle slope surfaces (100 ').
5. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the ripple
The preceding pressure perforation that pipe pressure cabin (306) passes through the radial communication hole (105 ") and valve on input section (1 ') ring wall.
6. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the ripple
Pipe pressure cabin (306) passes through the perforation of the preceding pressure of communicating pipe (600) and valve.
7. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the sleeve
Compressed spring (4) are set between II (2 ") end face and corresponding outer valve (8) inner face.
8. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the sleeve I
At least one sleeve of (2 ') and sleeve II (2 ") has the liner of tubular.
9. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the outer valve
Ball (707) are set between the annular inner wall of body (8) and the annular outer wall of valve body (2).
10. dual-valve body bellows pressure chamber according to claim 1 or 2 drives core pipe valve, which is characterized in that the output
Bellows seal (300) are arranged in the engaging portion of section (1 ") and sleeve II (2 "), and bellows seal (300) inner cavity passes through output
The rear pressure perforation in radial communication hole (105 ") and valve on section (1 ") ring wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275844.5A CN110319204A (en) | 2018-03-30 | 2018-03-30 | Dual-valve body bellows pressure chamber drives core pipe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810275844.5A CN110319204A (en) | 2018-03-30 | 2018-03-30 | Dual-valve body bellows pressure chamber drives core pipe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110319204A true CN110319204A (en) | 2019-10-11 |
Family
ID=68111390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810275844.5A Withdrawn CN110319204A (en) | 2018-03-30 | 2018-03-30 | Dual-valve body bellows pressure chamber drives core pipe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110319204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265101A (en) * | 2021-05-20 | 2021-08-17 | 浙江泽安电力设备有限公司 | Processing technology of high-strength MPP pipeline |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1944739A (en) * | 1930-04-25 | 1934-01-23 | Nathan C Hunt | Valve |
| DE2425139A1 (en) * | 1973-04-11 | 1975-11-27 | Hubert Skibowski | Connection for relatively movable pipes - has central vee connector releasable at preset tensile load and anular channels to retain fluid |
| CN1252740A (en) * | 1997-04-21 | 2000-05-10 | 斯文·埃里克·英厄马尔·哈尔托普 | Spray device with nozzle and valve |
| CN204477409U (en) * | 2015-01-04 | 2015-07-15 | 李国栋 | Pipeline burst automatic safety device |
| EP3249121A1 (en) * | 2016-05-25 | 2017-11-29 | Applegarden GmbH | Closing device |
-
2018
- 2018-03-30 CN CN201810275844.5A patent/CN110319204A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1944739A (en) * | 1930-04-25 | 1934-01-23 | Nathan C Hunt | Valve |
| DE2425139A1 (en) * | 1973-04-11 | 1975-11-27 | Hubert Skibowski | Connection for relatively movable pipes - has central vee connector releasable at preset tensile load and anular channels to retain fluid |
| CN1252740A (en) * | 1997-04-21 | 2000-05-10 | 斯文·埃里克·英厄马尔·哈尔托普 | Spray device with nozzle and valve |
| CN204477409U (en) * | 2015-01-04 | 2015-07-15 | 李国栋 | Pipeline burst automatic safety device |
| EP3249121A1 (en) * | 2016-05-25 | 2017-11-29 | Applegarden GmbH | Closing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265101A (en) * | 2021-05-20 | 2021-08-17 | 浙江泽安电力设备有限公司 | Processing technology of high-strength MPP pipeline |
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