CN110067871A - A kind of flexible adaptive petroleum pipeline ball valve - Google Patents
A kind of flexible adaptive petroleum pipeline ball valve Download PDFInfo
- Publication number
- CN110067871A CN110067871A CN201910423286.7A CN201910423286A CN110067871A CN 110067871 A CN110067871 A CN 110067871A CN 201910423286 A CN201910423286 A CN 201910423286A CN 110067871 A CN110067871 A CN 110067871A
- Authority
- CN
- China
- Prior art keywords
- spherical shell
- flexible
- elastic piece
- axis
- petroleum pipeline
- 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.)
- Granted
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 36
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 208000025962 Crush injury Diseases 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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
- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of flexible adaptive petroleum pipeline ball valves, its structure includes valve body, flexible ball, sealing ring, axis, driver, self-regulating mechanism, handwheel, valve inner is equipped with flexible ball, sealing ring is equipped between flexible ball and valve body, it is connected by axis with driver at the top of flexible ball, driver side is connected with handwheel, self-regulating mechanism be located above driver and and axis connection, flexible ball is by spherical shell, elastic piece, connecting column, ejecting mechanism, runner composition, spherical shell is mounted on valve inner, spherical shell is equipped with perforative runner, connecting column is connected between runner and spherical shell, runner is equipped with elastic piece, it is cavity between elastic piece and spherical shell, ejecting mechanism is located in cavity and is fixedly connected with the spherical shell, the beneficial effects of the present invention are: expanding capacity in petroleum expanded by heating to reduce the crush injury to sphere Evil, electrostatic increases in the case of keeping from heat, and improves safety.
Description
Technical field
The present invention relates to oil transportation field, specifically a kind of flexible adaptive petroleum pipeline ball valve.
Background technique
The product oil of petroleum generally uses pipeline to be conveyed, pipeline be equipped with ball valve be used for control petroleum circulation and
Flow velocity.
Habitat of oil is unevenly distributed, and some pipelines lead to south from the north, since geographical environment is different, and the characteristic of petroleum
Make petroleum be transported to temperature it is higher place when can expand, be easy squeeze ball valve sphere lead to globules rupture, simultaneously
Internal pressure can be made to become larger, to make the increased friction between petroleum and valve, electrostatic is big, and danger coefficient increases, and flow velocity meeting
The size of electrostatic is had an impact.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of adaptive petroleum pipeline ball of flexibility
Valve.
The present invention adopts the following technical scheme that realize: a kind of flexible adaptive petroleum pipeline ball valve, structure includes valve
Body, flexible ball, sealing ring, axis, driver, self-regulating mechanism, handwheel, the valve inner is equipped with flexible ball, described
It is equipped with sealing ring between flexible ball and valve body, is connected by axis with driver at the top of the flexible ball, the driver
Side is connected with handwheel, the self-regulating mechanism be located above driver and and axis connection, the flexible ball is by spherical shell, elasticity
Piece, connecting column, ejecting mechanism, runner composition, the spherical shell are mounted on valve inner, and the spherical shell is equipped with perforative runner, institute
It states and is connected with connecting column between runner and spherical shell, it is cavity between the elastic piece and spherical shell that the runner, which is equipped with elastic piece,
The ejecting mechanism is located in cavity and is fixedly connected with the spherical shell.
As optimization, the connecting column is equipped with through-hole.
As optimization, the axis is hollow structure and is connected to the cavity of spherical shell.
As optimization, the self-regulating mechanism is by driving member, movable block, blow vent, air pressure track, rubber plug, mobile bar, bullet
Spring composition, the air pressure track head end are connected to by blow vent with axis, and rubber plug is equipped in the air pressure track, and the rubber plug passes through
Mobile bar is connected with movable block, and the movable block is connected with driving member, and the spring is located in air pressure track and is set in
In mobile bar.
As optimization, the air pressure track is half of Taiji-diagram, and head end is the center with the Diagram of the Supreme Ultimate, the air pressure track
It is located inside driving member.
As optimization, the driving member is made of upper annulus, conically shaped, lower annulus, ratchet, the inside of the upper annulus with
Movable block is connected, and the upper annulus is connected by conically shaped with the lower annulus being positioned below, and sets on the lower circle ring inner wall
There is equally distributed ratchet.
As optimization, the axis side is equipped with groove, and pawl is hinged in the groove, and the pawl and ratchet match
It closes.
As optimization, the ejecting mechanism is made of spring lever, arc block, sensor, and the spring lever is connected to spherical shell
On, the movable end of the spring lever is connected with arc block, and the arc block is in contact with elastic piece, is equipped on the elastic piece
Sensor.
As optimization, the elastic piece is round and is integrated with runner that the elastic piece is equipped with 4, is respectively provided at stream
The position up and down in road
As optimization, the groove is rectangular-shaped.
As optimization, the axis is connected to by rotary joint with the blow vent of air pressure track.
As optimization, the sensor is displacement sensor.
Beneficial effect
The present invention is conveyed for petroleum pipeline, when encountering the high petroleum expanded by heating of temperature, can by elastic piece outwardly against,
Keep elastic piece close to spherical shell, to increase the capacity of runner, avoid rupturing, can be made in cavity by the movement of elastic piece
Gas outwardly against can drive driving member to be revolved so that rubber plug be pushed to move on air pressure track simultaneously by movable block
Turn, rotated by the mating band moving axis of ratchet and pawl, so that flexible ball is carried out rotation to reduce the circulation of petroleum, carry out
Slow down flow velocity, by the effect of spring and spring lever, double effects can be played to the reset of rubber plug and elastic piece, pass through ratchet
Cooperation with pawl makes axis and driving member carry out single-direction transmission, keeps handwheel unaffected at work, the meeting when elastic piece movement
Arc block is moved, so that the movement of sensor sensing to position is alarmed, reminds staff.
Compared with prior art, the beneficial effects of the present invention are:
1, resilient male-female effect is able to carry out by the elastic piece that flexible ball is arranged thus to realize to runner capacity
Expand, expands capacity in petroleum expanded by heating to reduce the extruding injury to sphere；
2, by elastic piece to the extruding of gas as dynamic start self-regulating mechanism, so that spinning ball reduces circulation
Amount, to reduce flow velocity, electrostatic increases in the case of keeping from heat, and improves safety.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of flexible adaptive petroleum pipeline ball valve of the present invention.
Fig. 2 is the side view of flexible ball of the present invention.
Fig. 3 is the schematic diagram of internal structure of flexible ball of the present invention.
Fig. 4 is schematic diagram of internal structure when flexible ball of the present invention is heated.
Fig. 5 is the top view of self-regulating mechanism of the present invention.
Fig. 6 is the structural schematic diagram of driving member of the present invention.
Fig. 7 is the top view of the lower annulus of the present invention.
Fig. 8 is the structural schematic diagram of ejecting mechanism of the present invention.
In figure: valve body 1, flexible ball 2, sealing ring 3, axis 4, driver 5, self-regulating mechanism 6, handwheel 7, spherical shell 20, bullet
Property piece 21, connecting column 22, ejecting mechanism 23, runner 24, through-hole 220, driving member 60, movable block 61, blow vent 62, air pressure track
63, rubber plug 64, mobile bar 65, spring 66, upper annulus 601, conically shaped 602, lower annulus 603, ratchet 604, groove 40, pawl
41, spring lever 230, arc block 231, sensor 232.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8 is please referred to, the present invention provides a kind of flexible adaptive petroleum pipeline ball valve technology scheme: its structure includes valve
Body 1, flexible ball 2, sealing ring 3, axis 4, driver 5, self-regulating mechanism 6, handwheel 7 are equipped with flexible ball inside the valve body 1
Body 2 is equipped with sealing ring 3, is connected by axis 4 with driver 5 at the top of the flexible ball 2 between the flexible ball 2 and valve body 1
It connects, 5 side of driver is connected with handwheel 7, and the self-regulating mechanism 6 is located at 5 top of driver and connect with axis 4, described
Flexible ball 2 is made of spherical shell 20, elastic piece 21, connecting column 22, ejecting mechanism 23, runner 24, and the spherical shell 20 is mounted on valve
Inside body 1, the spherical shell 20 is equipped with perforative runner 24, and connecting column 22 is connected between the runner 24 and spherical shell 20, described
Runner 24 is equipped with elastic piece 21, is cavity between the elastic piece 21 and spherical shell 20, and the ejecting mechanism 23 is located in cavity
And be fixedly connected with spherical shell 20, elastic piece 21 in the case where petroleum is not heated to middle concave, the convex when petroleum is heated, energy
The expansion for enough adapting to petroleum, avoids hardness from pullling rupture.
The connecting column 22 is equipped with through-hole 220, makes the air communication of 20 cavity of spherical shell, convenient for the unified work of elastic piece 21
Make.
The axis 4 is hollow structure and is connected to the cavity of spherical shell 20, convenient for the gas transport to 20 cavity of spherical shell to certainly
Regulating mechanism 6.
The self-regulating mechanism 6 is by driving member 60, movable block 61, blow vent 62, air pressure track 63, rubber plug 64, mobile bar
65, spring 66 forms, and 63 head end of air pressure track is connected to by blow vent 62 with axis 4, is equipped with glue in the air pressure track 63
Plug 64, the rubber plug 64 are connected by mobile bar 65 with movable block 61, and the movable block 61 is connected with driving member 60, described
Spring 66 is located in air pressure track 63 and is set in mobile bar 65, and rubber plug 64 is equipped with silica gel, convenient for carrying out with air pressure track 63
Cooperation, so as to push rubber plug 64 mobile by air pressure, spring 66 is convenient for resetting.
The air pressure track 63 is half of Taiji-diagram, and head end is the center with the Diagram of the Supreme Ultimate, described convenient for the transmission of gas
Air pressure track 63 is located inside driving member 60, is able to drive the rotation of driving member 60.
The driving member 60 is made of upper annulus 601, conically shaped 602, lower annulus 603, ratchet 604, the upper annulus 601
Inside be connected with movable block 61, the upper annulus 601 is connected by conically shaped 602 with the lower annulus 603 being positioned below,
603 inner wall of lower annulus is equipped with equally distributed ratchet 604, and driving member 60 can pass to the power of self-regulating mechanism 6
Axis 4.
4 side of axis is equipped with groove 40, is hinged with pawl 41, the pawl 41 and 604 phase of ratchet in the groove 40
Cooperation, can only carry out single direction rotation, the only automatic work when petroleum is heated, the contrary rotation therewith of handwheel 7 does not just influence
The usually work of handwheel 7.
The ejecting mechanism 23 is made of spring lever 230, arc block 231, sensor 232, and the spring lever 230 is connected to
On spherical shell 20, the movable end of the spring lever 230 is connected with arc block 231, and the arc block 231 is in contact with elastic piece 21,
Sensor 232 is installed, ejecting mechanism 23 can increase elastic piece 21, self-regulating mechanism 6 resets on the elastic piece 21
Power,.
The elastic piece 21 is round and is integrated with runner 24 that the elastic piece 21 is equipped with 4, is respectively provided at runner 24
Position up and down, increase the dilatation of flexible ball 2, increase it is flexible expand power, avoid the petroleum memory with expanded by heating
Extruding is pullled, and damage is reduced, and circular design is more uniformly stressed.
The groove 40 be it is rectangular-shaped, convenient for it is downward to pawl 41 when limit, shrink pawl 41 can upwards.
The axis 4 is connected to by rotary joint with the blow vent 62 of air pressure track 63, rotates axis 4 automatically.
The sensor 232 is displacement sensor, can determine that petroleum situation carries out by the movement of 231 position of arc block
Alarm, notifies staff in time.
The present invention is conveyed for petroleum pipeline, when encountering the high petroleum expanded by heating of temperature, can be squeezed outward elastic piece 21
Pressure, it is close to spherical shell 20 to make elastic piece 21, to increase the capacity of runner 24, avoids rupturing, passes through the movement energy of elastic piece 21
Enough make gas in cavity outwardly against, can be same by movable block 61 so that rubber plug 64 be pushed to move on air pressure track 63
When drive driving member 60 to be rotated, rotated by the mating band moving axis 4 of ratchet 604 and pawl 41, revolve flexible ball 2
Turn to reduce the circulation of petroleum, carries out slowing down flow velocity, it, can be to rubber plug 64 by the effect of spring 66 and spring lever 230
Double effects are played in reset with elastic piece 21, carry out axis 4 and driving member 60 unidirectionally by the cooperation of ratchet 604 and pawl 41
Transmission, keeps handwheel 7 unaffected at work, arc block 231 can be made to be moved when elastic piece 21 moves, thus sensor
232 sense that the movement of position is alarmed, and remind staff.
The technological progress that the present invention obtains compared with the prior art is: being able to carry out bullet by the elastic piece that flexible ball is arranged
Property concave-convex effect to realize the expansion to runner capacity, expand capacity in petroleum expanded by heating and to reduce sphere squeezed
Weigh evil wounded；By elastic piece to the extruding of gas as dynamic start self-regulating mechanism, so that spinning ball reduces circulation, from
And flow velocity is reduced, electrostatic increases in the case of keeping from heat, and improves safety.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (8)
1. a kind of flexible adaptive petroleum pipeline ball valve, structure includes valve body (1), flexible ball (2), sealing ring (3), axis
(4), driver (5), self-regulating mechanism (6), handwheel (7), the valve body (1) is internal to be equipped with flexible ball (2), the flexibility
Sealing ring (3) are equipped between sphere (2) and valve body (1), are connected by axis (4) with driver (5) at the top of the flexible ball (2)
It connects, driver (5) side is connected with handwheel (7), it is characterised in that: the self-regulating mechanism (6) is located on driver (5)
Fang Bingyu axis (4) connection；
The flexible ball (2) is by spherical shell (20), elastic piece (21), connecting column (22), ejecting mechanism (23), runner (24) group
At the spherical shell (20) is mounted on valve body (1) inside, and the spherical shell (20) is equipped with perforative runner (24), the runner (24)
Be connected between spherical shell (20) connecting column (22), the runner (24) be equipped with elastic piece (21), the elastic piece (21) with
It is cavity between spherical shell (20), the ejecting mechanism (23) is located in cavity and is fixedly connected with spherical shell (20).
2. a kind of flexible adaptive petroleum pipeline ball valve according to claim 1, it is characterised in that: the connecting column (22)
It is equipped with through-hole (220).
3. a kind of flexible adaptive petroleum pipeline ball valve according to claim 1, it is characterised in that: during the axis (4) is
Hollow structure is simultaneously connected to the cavity of spherical shell (20).
4. a kind of flexible adaptive petroleum pipeline ball valve according to claim 1, it is characterised in that: the self-regulating mechanism
(6) by driving member (60), movable block (61), blow vent (62), air pressure track (63), rubber plug (64), mobile bar (65), spring
(66) it forms, air pressure track (63) head end is connected to by blow vent (62) with axis (4), is equipped in the air pressure track (63)
Rubber plug (64), the rubber plug (64) are connected by mobile bar (65) with movable block (61), the movable block (61) and driving member
(60) it is connected, the spring (66) is located in air pressure track (63) and is set on mobile bar (65).
5. a kind of flexible adaptive petroleum pipeline ball valve according to claim 4, it is characterised in that: the air pressure track
It (63) is half of Taiji-diagram, head end is the center with the Diagram of the Supreme Ultimate, and it is internal that the air pressure track (63) is located at driving member (60).
6. a kind of flexible adaptive petroleum pipeline ball valve according to claim 5, it is characterised in that: the driving member (60)
It is made of upper annulus (601), conically shaped (602), lower annulus (603), ratchet (604), the inside of the upper annulus (601) and shifting
Motion block (61) is connected, and the upper annulus (601) is connected by conically shaped (602) with the lower annulus (603) being positioned below, institute
Lower annulus (603) inner wall is stated equipped with equally distributed ratchet (604).
7. a kind of flexible adaptive petroleum pipeline ball valve according to claim 3, it is characterised in that: axis (4) side
Equipped with groove (40), it is hinged with pawl (41) in the groove (40), the pawl (41) matches with ratchet (604).
8. a kind of flexible adaptive petroleum pipeline ball valve according to claim 1, it is characterised in that: the ejecting mechanism
(23) it is made of spring lever (230), arc block (231), sensor (232), the spring lever (230) is connected to spherical shell (20)
On, the movable end of the spring lever (230) is connected with arc block (231), and the arc block (231) connects with elastic piece (21)
It touches, sensor (232) is installed on the elastic piece (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423286.7A CN110067871B (en) | 2019-05-21 | 2019-05-21 | Flexible self-adaptive petroleum pipeline ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423286.7A CN110067871B (en) | 2019-05-21 | 2019-05-21 | Flexible self-adaptive petroleum pipeline ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110067871A true CN110067871A (en) | 2019-07-30 |
| CN110067871B CN110067871B (en) | 2021-04-13 |
Family
ID=67371183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423286.7A Active CN110067871B (en) | 2019-05-21 | 2019-05-21 | Flexible self-adaptive petroleum pipeline ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110067871B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921235A (en) * | 2020-12-25 | 2021-06-08 | 张家港市鸿源机械锻造有限公司 | Low-temperature-resistant corrosion-resistant high-strength valve for deep sea and manufacturing method thereof |
| CN113294549A (en) * | 2021-06-25 | 2021-08-24 | 上海阀门二厂实业集团有限公司 | Two-stage metal hard sealing ball valve |
| CN117646806A (en) * | 2024-01-30 | 2024-03-05 | 潍坊现代农业山东省实验室 | Leakage-proof electromagnetic valve |
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| WO1994023226A1 (en) * | 1993-03-30 | 1994-10-13 | Catin Noel | Ball- or plug-type control valve |
| US5690142A (en) * | 1996-07-30 | 1997-11-25 | The United States Of America As Represented By The Secretary Of The Navy | Variable orifice ball value |
| CN2317363Y (en) * | 1998-01-13 | 1999-05-05 | 刘强 | Adjustable sealing gasket for valve |
| CN201747968U (en) * | 2009-09-29 | 2011-02-16 | 叶冬平 | Novel high-temperature ball valve of thermal expansion elimination device |
| CN206347142U (en) * | 2016-12-29 | 2017-07-21 | 常熟市南湖化工设备制造有限责任公司 | A kind of safety scald-proof temp.-control valve of liquid from cutout |
-
2019
- 2019-05-21 CN CN201910423286.7A patent/CN110067871B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023226A1 (en) * | 1993-03-30 | 1994-10-13 | Catin Noel | Ball- or plug-type control valve |
| US5690142A (en) * | 1996-07-30 | 1997-11-25 | The United States Of America As Represented By The Secretary Of The Navy | Variable orifice ball value |
| CN2317363Y (en) * | 1998-01-13 | 1999-05-05 | 刘强 | Adjustable sealing gasket for valve |
| CN201747968U (en) * | 2009-09-29 | 2011-02-16 | 叶冬平 | Novel high-temperature ball valve of thermal expansion elimination device |
| CN206347142U (en) * | 2016-12-29 | 2017-07-21 | 常熟市南湖化工设备制造有限责任公司 | A kind of safety scald-proof temp.-control valve of liquid from cutout |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921235A (en) * | 2020-12-25 | 2021-06-08 | 张家港市鸿源机械锻造有限公司 | Low-temperature-resistant corrosion-resistant high-strength valve for deep sea and manufacturing method thereof |
| CN112921235B (en) * | 2020-12-25 | 2024-05-24 | 张家港市鸿源机械锻造有限公司 | Low-temperature-resistant corrosion-resistant high-strength valve for deep sea and manufacturing method thereof |
| CN113294549A (en) * | 2021-06-25 | 2021-08-24 | 上海阀门二厂实业集团有限公司 | Two-stage metal hard sealing ball valve |
| CN113294549B (en) * | 2021-06-25 | 2023-01-10 | 上海阀门二厂实业集团有限公司 | Two-stage metal hard sealing ball valve |
| CN117646806A (en) * | 2024-01-30 | 2024-03-05 | 潍坊现代农业山东省实验室 | Leakage-proof electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110067871B (en) | 2021-04-13 |
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Effective date of registration: 20210329 Address after: 325100 Dongou Industrial Zone, Dongou street, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: Zhejiang yuebang Valve Co.,Ltd. Address before: Room 301, unit 3, building 807, 501 Wuhou Road, Mianyang Town, Mianxian County, Hanzhong City, Shaanxi Province 724200 Applicant before: Wang Hui |
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