CN110319252A - Exhaust core pipe valve - Google Patents
Exhaust core pipe valve Download PDFInfo
- Publication number
- CN110319252A CN110319252A CN201810269131.8A CN201810269131A CN110319252A CN 110319252 A CN110319252 A CN 110319252A CN 201810269131 A CN201810269131 A CN 201810269131A CN 110319252 A CN110319252 A CN 110319252A
- Authority
- CN
- China
- Prior art keywords
- valve
- sleeve
- valve body
- input section
- interlayer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
Exhaust core pipe valve of the invention belongs to valve field, be in original core pipe stem nut series conventional core pipe valve plate block from one of force control valve；Valve core tube is fixing piece perpendicular to ground and coaxial from bottom to up through the sleeve II of the sleeve of valve body I, body cavity and valve body；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；Sealing pair is constituted around the annular spool of interlayer and the ring-shaped valve seats of II throat of sleeve；Input section and sleeve I and deferent segment and sleeve II are that shaft hole mode cooperates the setting of its at least one engaging portion to seal；Setting makes the elastic element or heavy hammer mechanism of valve body axial direction uplink outside valve body；Under the action of both direction potential energy, valve body makees the mobile discharge and closing to realize gas of axial reciprocating relative to valve core tube.Structure is simple, small in size convenient for manufacture, at low cost, and cost performance is high, heavy caliber discharge, and flexibility and reliability is not easy to wear.
Description
Technical field
Exhaust core pipe valve of the invention belongs to valve field, is the routine in the core pipe stem nut series of my original invention
Core pipe valve plate block from one of force control valve；Its brand-new and extremely strong structure feature of reliability will be head in exhaust valve
Choosing.
Background technique
Currently, the exhaust valve for being mainly used in tap water, hot-water heating system and Liquid tube net generally uses float-type, opening and closing
Operation element, larger pressure cannot be born, total is excessively huge, but it is again relatively small to discharge bore, and easily occurs floating
Cylinder makes sealing pair abrasion generate leakage by impact, influences equipment operation.
Summary of the invention
The object of the present invention is to provide exhaust core pipe valve, overcome the defect of existing exhaust valve, ensure pipeline cutting off the water and
Safety during water and normal water supply realizes the perfect function of exhaust and air inlet, and satisfaction production needs and power conservation requirement,
Meanwhile it can satisfy the exhaust and air inlet of various liquid lines.
The present invention be by following technical solution come be attained in that the valve core tube for connection pressure vessel, pressure
The fixing piece of equipment and medium pipe network perpendicular to ground it is coaxial from bottom to up through the sleeve of valve body I, body cavity and
The sleeve II of valve 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
It constitutes；The axial both sides of interlayer are at least one radial recirculation hole of input section and deferent segment respectively；Around the annular plate valve of interlayer
Core and the ring-shaped valve seats of II throat of sleeve constitute sealing pair；Input section and sleeve I and deferent segment and sleeve II are shaft hole mode cooperation
The setting sealing of its at least one engaging portion；Setting makes the elastic element of valve body axial direction uplink outside valve body；In liquid gravity and
Under the action of the elastic force both direction potential energy of elastic element, valve body makees axial reciprocating movement relative to valve core tube to realize gas
Discharge and closing.
The present invention can also be attained in that by following technical solution the valve core tube for connection pressure vessel,
The fixing piece of press device and medium pipe network perpendicular to ground it is coaxial from bottom to up through the sleeve of valve body I, body cavity,
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 centre
Pipeline section is constituted；The axial both sides of interlayer are at least one radial recirculation hole of input section and deferent segment respectively；Around the ring of interlayer
Shape spool and the ring-shaped valve seats of II throat of sleeve constitute sealing pair；Input section and sleeve I and deferent segment and sleeve II are shaft hole mode
Cooperate the setting sealing of its at least one engaging portion；Setting makes the heavy hammer mechanism of valve body axial direction uplink outside valve body；In liquid weight
Under the action of power and heavy hammer mechanism gravity both direction potential energy, valve body makees axial reciprocating movement relative to valve core tube to realize gas
Discharge and closing.
The sealing surface of the annular spool is unidirectional slope surface.
The sealing surface of the annular spool is two-way slope surface.
The gradient of the sealing slope surface of the annular spool is best >=and 8 degree.
The sealing surface of the annular spool is arc slope.
Bellows seal is arranged at least one engaging portion of the input section and sleeve I and deferent segment and sleeve II.
It is described that compressed spring is set between I end of input section end and sleeve.
It is described that extension spring is set between II end of deferent segment end and sleeve.
The compressed spring of the setting package input section between I end of input section end and sleeve
Applying in actual design for the spring is it is contemplated that being adjusted axially for they.
The heavy hammer mechanism is, deferent segment is set with a tubulose weight, in two fixed pulleys of the well-balanced setting in input section upper end,
Two ropes bypass two fixed pulleys, a connection valve body upper end, a connection weight upper end respectively.
The heavy hammer mechanism can also be that lever weighting is hammered into shape, and the weight can be metal material, ceramic material, stone material
Deng.
The bellows can be metal bellows, be also possible to the nonmetallic bellows such as plastics.
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.
In conclusion exhaust core pipe valve of the invention has the active effect that
1, structure is simple, convenient for manufacture；
2, small in size；
3, manufacturing cost is low, applied to being realized using plastic part and other nonmetallic materials for tap water pipe network；
4, discharge bore is big；
5, exquisite beauty；
6, opening and closing is quick；
7, long service life, cost performance are high；
8, it is hardly damaged, reduces maintenance cost, improve production efficiency；
9, the reliability and long-term effect of valve are improved.
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 is the full the schematic diagram of the section structure in longitudinal direction of third embodiment of the invention.
Attached drawing 7 is longitudinal semi-section structural schematic diagram of the 4th embodiment of the invention.
1- valve core tube, 1 '-input section, 1 in figure "-deferent segment, 100- interlayer, 101- annular spool, 103- circulation
Hole, 105- tap, 2- valve body, 2 '-sleeves I, 2 "-sleeve II, the inner cavity 200-, 201- ring-shaped valve seats, 204 '-bolts,
300- bellows seal, 302- sealing ring, 4- compressed spring, 4 '-extension springs, 5- rope, 7- fixed pulley, 708- weight.
Specific embodiment
Embodiment summary:
The valve core tube 1 be fixing piece perpendicular to ground and it is coaxial from bottom to up through the sleeve I 2 of valve body 2 ', valve
2 inner cavity 200 of body and valve body 2 sleeve II 2 "；There is axial interlayer 100 in the middle part of valve core tube 1, interlayer 100 is by kernel and kernel diameter
It is constituted to the intermediate pipeline section of the valve core tube 1 of radiation；The axial both sides of interlayer 100 be respectively input section 1 ' and deferent segment 1 " at least
One radial recirculation hole 103；Around the annular spool 101 and sleeve II 2 of interlayer 100, " ring-shaped valve seats 201 of throat, which is constituted, to be sealed
It is secondary；Input section 1 ' and sleeve I 2 ' and deferent segment 1 " with sleeve II 2 " are that shaft hole mode cooperates the setting of its at least one engaging portion to seal；
Under the effect of both direction potential energy, valve body 2 makees the mobile discharge and closing to realize gas of axial reciprocating relative to valve core tube 1.
Embodiment one
Referring to attached drawing 1,2, exhaust core pipe valve described in the present embodiment, the input section 1 ' and " the well-balanced arrangement of deferent segment 1
Two radial recirculation holes 103；It surround and is unidirectional slope surface and sleeve II 2 with 101 sealing surface of annular spool of 100 one of interlayer "
The ring-shaped valve seats 201 of throat constitutes sealing pair；Input section 1 ' and sleeve I 2 ' engaging portion bellows seal 300 is set；Defeated
Enter setting compressed spring 4 between 1 ' end of section and I 2 ' end of sleeve；There is ring wall band radial direction tap in 1 top extended segment of valve core tube
105 cap；In 2 bottom of valve body, the bolt 204 ' of one blowdown is set.
Shown in attached drawing 1, the discharge of gas is in close state, liquid medium into the open state, at this point, inner cavity
200 have accumulated a certain amount of liquid medium, " the ring-shaped valve seats 201 of throat of having suppressed the axially extending of compressed spring 4, sleeve II 2
It is closely affixed with annular spool 101.
Shown in attached drawing 2, when gas occupies 200 top certain space of inner cavity, the liquid medium of inner cavity 200 reduces weight and subtracts
Gently, compressed spring 4, which axially upwardly stretches, pushes valve body 2 is axial to move up, and " ring-shaped valve seats 201 of throat leaves annular plate valve to sleeve II 2
Core 101, deferent segment 1 " recirculation hole 103 and inner cavity 200 penetrate through, gas is through deferent segment 1 " recirculation hole 103 and tap 105 to
Airborne release, meanwhile, liquid steps into inner cavity 200, the weight band moving valve 2 of liquid by the recirculation hole 103 of input section 1 '
Compressed spring 4 being suppressed, until sleeve II 2, " ring-shaped valve seats 201 of throat is closely affixed again with annular spool 101, stops row
Gas.
Embodiment two
" the well-balanced arrangement two referring to attached drawing 3,4, the exhaust core pipe valve of the present embodiment, the input section 1 ' and deferent segment 1
Radial recirculation hole 103；It surround and is arc slope and II 2 " throat of sleeve with 101 sealing surface of annular spool of 100 one of interlayer
Ring-shaped valve seats 201 constitute sealing pair；Input section 1 ' and sleeve I 2 ' engaging portion bellows seal 300, deferent segment 1 are set "
With sleeve II 2 " engaging portion be arranged sealing ring 302；Extension spring is set between deferent segment 1 " end and sleeve II 2 " end
4′；In 2 bottom of valve body, the bolt 204 ' of one blowdown is set.
Shown in attached drawing 3, the discharge of gas is in the open state, liquid medium into the open state, at this point, because
200 top of inner cavity has accumulated a certain amount of gas, and the weight saving of 200 liquid of inner cavity makes extension spring 4 ' shrink and pull up
Valve body 2 is axial to be moved up, the recirculation hole 103 of sleeve II 2 " ring-shaped valve seats 201 of throat leaves annular spool 101, deferent segment 1 " with
Inner cavity 200 penetrates through, then gas discharges, meanwhile, liquid steps into inner cavity 200 through the recirculation hole 103 of input section 1 ', and weight makes
Valve body 2 gradually moves down, and has stretched extension spring 4 ', until the sleeve II 2 " ring-shaped valve seats 201 and 101 weight of annular spool of throat
Newly closely it is affixed.
Shown in attached drawing 4, entire pipe network stops working, and the liquid of inner cavity 200 can be as the liquid stream of sinking be from input section 1 '
Recirculation hole 103 flows out, meanwhile, the contraction of extension spring 4 ' moves up valve body 2 axially, drives " the ring-shaped valve seats of throat of sleeve II 2
201 leave annular spool 101, and external gas is therewith through deferent segment 1 " recirculation hole 103 enter inner cavity 200 and input section 1 '
Recirculation hole 103 flows into pipe network.
When entire pipe network is reworked, the gas of pipe network can pass through the recirculation hole 103 of input section 1 ', inner cavity 200 and output
Section 1 " 103 row Xiang great Qi of recirculation hole, until liquid occupies the certain space of inner cavity 200 its weight and moves down valve body 2 axially, band
" ring-shaped valve seats 201 of throat is closely affixed dynamic sleeve II 2 with annular spool 101.
Embodiment three
" the well-balanced arrangement two referring to attached drawing 5,6, the exhaust core pipe valve of the present embodiment, the input section 1 ' and deferent segment 1
Radial recirculation hole 103；101 sealing surface of annular spool is two-way slope surface and sleeve II 2, and " ring-shaped valve seats 201 of throat constitutes sealing
It is secondary；The engaging portion of input section 1 ' and sleeve I 2 ' and deferent segment 1 " with sleeve II 2 " is respectively provided with bellows seal 300, wherein defeated
Enter section 1 ' and sleeve I 2 ' the bellows seal 300 of engaging portion setting be in inner cavity 200；In 1 ' end of input section and sleeve
The compressed spring 4 of setting package input section 1 ' between I 2 ' end of pipe；In 2 bottom of valve body, the bolt 204 ' of one blowdown is set.
Shown in attached drawing 5, the discharge of gas is in semi-open state, liquid medium into the open state, at this point, because
A certain amount of gas is had accumulated for 200 top of inner cavity, the liquid weight mitigation of inner cavity 200 is stretched compressed spring 4 and pushed up
Moving valve 2 is axial to be moved up, and " ring-shaped valve seats 201 of throat leaves annular spool 101, the recirculation hole 103 of input section 1 ' to sleeve II 2
It is penetrated through with inner cavity 200, then gas discharges.
Shown in attached drawing 6, the discharge of gas is in close state, liquid medium into the open state, at this point, because
Inner cavity 200 has accumulated a certain amount of liquid medium, has suppressed the axially extending of the compressed spring 4, " annular plate valve of throat of sleeve II 2
Seat 201 is closely affixed with annular spool 101.
Example IV
Referring to attached drawing 7, the exhaust core pipe valve of the present embodiment, the input section 1 ' and " two diameters of well-balanced arrangement of deferent segment 1
To recirculation hole 103；101 sealing surface of annular spool is arc slope and sleeve II 2, and " ring-shaped valve seats 201 of throat constitutes sealing pair；
Input section 1 ' and sleeve I 2 ' engaging portion bellows seal 300 is set, the engaging portion of deferent segment 1 " with sleeve II 2 " is arranged close
Seal 302；" one matched tubulose weight 708 of suit, in two fixed pulleys of the well-balanced setting in 1 ' upper end of input section in deferent segment 1
7, two ropes 5 bypass two fixed pulleys 7 respectively, and an axially extending bore for passing through weight 708 connects 2 upper end of valve body, a company
Connect 708 upper end of weight.
Shown in attached drawing 7, the discharge of gas is in the open state, liquid medium into the open state, at this point, because
200 top of inner cavity has accumulated a certain amount of gas, and the weight saving weight 708 of 200 liquid of inner cavity is sagging and pulls valve body 2 axial
The recirculation hole 103 for moving up, sleeve II 2 " ring-shaped valve seats 201 of throat leaves annular spool 101, deferent segment 1 " is passed through with inner cavity 200
Logical, then gas discharges；Meanwhile liquid steps into its weight of inner cavity 200 plus valve body 2 through the recirculation hole 103 of input section 1 '
Self weight moves down valve body 2 axially after reaching certain value, and weight 708 is pulled axially to move up, until " the annular of throat of sleeve II 2
Valve seat 201 is closely affixed again with annular spool 101.
Claims (10)
1. exhaust core pipe valve, which is characterized in that valve core tube (1) is that fixing piece is coaxial from bottom to up through valve perpendicular to ground
The sleeve II (2 ") of the sleeve I (2 ') of body (2), valve body (2) inner cavity (200) and valve body (2)；There is axial direction in the middle part of valve core tube (1)
Interlayer (100), interlayer (100) are made of the intermediate pipeline section of kernel and the valve core tube (1) of kernel radial radiation；Interlayer (100)
Axial both sides are at least one radial recirculation hole (103) of input section (1 ') and deferent segment (1 ") respectively；Around interlayer (100)
Annular spool (101) and the ring-shaped valve seats (201) of sleeve II (2 ") throat constitute sealing pair；Input section (1 ') and sleeve I (2 ')
It is that shaft hole mode cooperates the setting of its at least one engaging portion to seal with deferent segment (1 ") and sleeve II (2 ")；It is set outside valve body (2)
Set the elastic element for making the axial uplink of valve body (2)；Under the action of the elastic force both direction potential energy of liquid gravity and elastic element,
Valve body (2) makees the mobile discharge and closing to realize gas of axial reciprocating relative to valve core tube (1).
2. exhaust core pipe valve, which is characterized in that valve core tube (1) is that fixing piece is coaxial from bottom to up through valve perpendicular to ground
The sleeve II (2 ") of the sleeve I (2 ') of body (2), valve body (2) inner cavity (200) and valve body (2)；There is axial direction in the middle part of valve core tube (1)
Interlayer (100), interlayer (100) are made of the intermediate pipeline section of kernel and the valve core tube (1) of kernel radial radiation；Interlayer (100)
Axial both sides are at least one radial recirculation hole (103) of input section (1 ') and deferent segment (1 ") respectively；Around interlayer (100)
Annular spool (101) and the ring-shaped valve seats (201) of sleeve II (2 ") throat constitute sealing pair；Input section (1 ') and sleeve I (2 ')
It is that shaft hole mode cooperates the setting of its at least one engaging portion to seal with deferent segment (1 ") and sleeve II (2 ")；It is set outside valve body (2)
Set the heavy hammer mechanism for making the axial uplink of valve body (2)；Under the action of liquid gravity and heavy hammer mechanism gravity both direction potential energy, valve
Body (2) makees the mobile discharge and closing to realize gas of axial reciprocating relative to valve core tube (1).
3. exhaust core pipe valve according to claim 1 or 2, which is characterized in that the sealing surface of the annular spool (101) is
Unidirectional slope surface.
4. exhaust core pipe valve according to claim 1 or 2, which is characterized in that the sealing surface of the annular spool (101) is
Two-way slope surface.
5. exhaust core pipe valve according to claim 1 or 2, which is characterized in that the sealing surface of the annular spool (101) is
Arc slope.
6. exhaust core pipe valve according to claim 1 or 2, which is characterized in that the input section (1 ') and sleeve I (2 ') and
Bellows seal (300) are arranged at least one engaging portion of deferent segment (1 ") and sleeve II (2 ").
7. exhaust core pipe valve described in accordance with the claim 1, which is characterized in that described in input section (1 ') end and sleeve I
Compressed spring (4) are set between (2 ') end.
8. exhaust core pipe valve described in accordance with the claim 1, which is characterized in that described in deferent segment (1 ") end and sleeve II
Extension spring (4 ') are set between (2 ") end.
9. exhaust core pipe valve described in accordance with the claim 1, which is characterized in that described in input section (1 ') end and sleeve I
The compressed spring (4) of setting package input section (1 ') between (2 ') end.
10. exhaust core pipe valve according to claim 2, which is characterized in that the heavy hammer mechanism is deferent segment (1 ") suit
One tubulose weight (708), in two fixed pulleys (7) of the well-balanced setting in input section (1 ') upper end, two ropes (5) bypass two respectively
A fixed pulley (7), connection valve body (2) upper end, connection weight (708) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269131.8A CN110319252A (en) | 2018-03-29 | 2018-03-29 | Exhaust core pipe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269131.8A CN110319252A (en) | 2018-03-29 | 2018-03-29 | Exhaust core pipe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110319252A true CN110319252A (en) | 2019-10-11 |
Family
ID=68110696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269131.8A Withdrawn CN110319252A (en) | 2018-03-29 | 2018-03-29 | Exhaust core pipe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110319252A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1944739A (en) * | 1930-04-25 | 1934-01-23 | Nathan C Hunt | Valve |
| DE647980C (en) * | 1935-02-23 | 1937-07-17 | Julius Frommherz | Outlet piston 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 |
| EP2653758A1 (en) * | 2012-04-16 | 2013-10-23 | Danfoss A/S | Axial valve |
| FR2993337A1 (en) * | 2012-07-16 | 2014-01-17 | Fabrice Jacques Sauloup | Device for manually opening and closing passage of e.g. water pipeline, has helical connection bringing ring with body, where ring is moved transversely across axis of body under action of manual rotation movement |
| CN204477409U (en) * | 2015-01-04 | 2015-07-15 | 李国栋 | Pipeline burst automatic safety device |
| DE202015107019U1 (en) * | 2015-12-22 | 2016-02-11 | Lüdecke Gmbh | Valve for shutting off and releasing a liquid flow and pouring device with such a valve |
| EP3249121A1 (en) * | 2016-05-25 | 2017-11-29 | Applegarden GmbH | Closing device |
-
2018
- 2018-03-29 CN CN201810269131.8A patent/CN110319252A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1944739A (en) * | 1930-04-25 | 1934-01-23 | Nathan C Hunt | Valve |
| DE647980C (en) * | 1935-02-23 | 1937-07-17 | Julius Frommherz | Outlet piston 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 |
| EP2653758A1 (en) * | 2012-04-16 | 2013-10-23 | Danfoss A/S | Axial valve |
| FR2993337A1 (en) * | 2012-07-16 | 2014-01-17 | Fabrice Jacques Sauloup | Device for manually opening and closing passage of e.g. water pipeline, has helical connection bringing ring with body, where ring is moved transversely across axis of body under action of manual rotation movement |
| CN204477409U (en) * | 2015-01-04 | 2015-07-15 | 李国栋 | Pipeline burst automatic safety device |
| DE202015107019U1 (en) * | 2015-12-22 | 2016-02-11 | Lüdecke Gmbh | Valve for shutting off and releasing a liquid flow and pouring device with such a valve |
| EP3249121A1 (en) * | 2016-05-25 | 2017-11-29 | Applegarden GmbH | Closing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191011 |
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| WW01 | Invention patent application withdrawn after publication |