CN111365520A - Combined valve of pneumatic high-pressure oil ejector - Google Patents
Combined valve of pneumatic high-pressure oil ejector Download PDFInfo
- Publication number
- CN111365520A CN111365520A CN202010267262.XA CN202010267262A CN111365520A CN 111365520 A CN111365520 A CN 111365520A CN 202010267262 A CN202010267262 A CN 202010267262A CN 111365520 A CN111365520 A CN 111365520A
- Authority
- CN
- China
- Prior art keywords
- device shell
- block
- stop block
- pneumatic high
- high pressure
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 239000004519 grease Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
- F16K43/001—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a combined valve of a pneumatic high-pressure oil ejector, which comprises a first device shell, a fixed block, a filter screen, a third device shell and a telescopic rod, wherein mounting blocks are mounted on two sides of the outer side of the first device shell, first through holes are formed in four corners of each mounting block, first bolts are arranged in the first through holes, a blocking block is mounted on one side of the inner side wall of the first device shell, a first stop block is mounted on one side of the inner side wall, close to the blocking block, of the inner side wall of the first device shell, second through holes are uniformly formed in one side of the first stop block, and first springs are uniformly mounted on one side, close to the blocking block, of the first stop block. This combination valve of pneumatic high pressure grease squirt drives kicking block extrusion ejector pin through the dwang and makes the ejector pin promote the plug to move forward and contact the plugging block, opens the baffle through dismantling the second bolt and puts into the filter screen, filters the device for the life of device is more permanent.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a combined valve of a pneumatic high-pressure oil ejector.
Background
Pneumatic high pressure grease squirt is connected the plunger pump by the air pump and is as an organic whole also known as the oiling pump, and the valve is the control unit among the liquid conveying system, and this control unit has functions such as ending, regulation, water conservancy diversion and steady voltage, and the valve belongs to indispensable partly in starting high pressure grease squirt, and the combination valve of traditional pneumatic high pressure grease squirt can satisfy people's user demand basically, but still has certain problem, and concrete problem is as follows:
1. most of combined valves of pneumatic high-pressure oil injectors in the current market need to be disassembled and replaced when problems occur, and the valves are extremely difficult to disassemble during replacement, so that time and labor are wasted when maintenance workers maintain the valves;
2. most of pneumatic high-pressure oil lubricator combined valves in the market at present can cause damage to the valves due to impurities carried by liquid flowing in the valves in the using process, so that the valves are short in service life and easy to cause faults of the valves.
Disclosure of Invention
The present invention is directed to a combination valve of a pneumatic high pressure oil injector to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a combined valve of a pneumatic high-pressure oil ejector comprises a first device shell, a fixed block, a filter screen, a third device shell and a telescopic rod, wherein mounting blocks are arranged on two sides of the outer side of the first device shell, and the four corners of the mounting block are all provided with first through holes, the first through holes are all internally provided with first bolts, a blocking block is arranged on one side of the inner side wall of the first device shell, a first stop block is arranged on one side of the inner side wall of the first device shell, which is close to the blocking block, second through holes are uniformly arranged on one side of the first stop block, first springs are uniformly arranged on one side of the first stop block close to the blocking block, a plug is arranged on one side of the first spring far away from the first stop block, a top rod penetrating through the first stop block is transversely arranged at the middle position of one side of the plug close to the first stop block, fixed blocks are arranged at the top end and the bottom end of the first stop block far away from the inner part of the first device shell on one side of the plug.
Preferably, a rotating rod penetrating through the fixing block is installed on one side, close to the plug, of the top end of the first device shell, and a top block is installed on the outer side of the rotating rod inside the first device shell.
Preferably, the fixed block is kept away from the internally mounted of the first device shell of first dog one side and is had the third device shell, and first device shell top is kept away from dwang one side and is provided with the filter screen that runs through to the third device shell.
Preferably, the top of filter screen is provided with the baffle, and baffle top four corners position department all installs the second bolt that runs through to first device shell top.
Preferably, the third device shell is kept away from the inside bottom of fixed block one side first device shell and is installed the second device shell that runs through to first device shell top, the top of second device shell is provided with fourth device shell, and the spout has been seted up to the bottom of fourth device shell, the bottom of fourth device shell is provided with the second stopper, and the even vertical installation telescopic link in top of second stopper, the slide bar that extends to the inside spout is all installed on telescopic link both sides top, and the top of slide bar is provided with the ball.
Preferably, the outer sides of the telescopic rods are provided with second springs, a valve core penetrating through the second stop block and extending to the top end of the fourth device shell is arranged in the second device shell, and a rotating handle is mounted at the top end of the outer side of the valve core.
Compared with the prior art, the invention has the beneficial effects that:
1. by installing the plug, the ejector rod, the plugging block, the fixed block, the baffle, the filter screen, the second bolt and the ejector block, the ejector block is driven to extrude the ejector rod to move forwards by rotating the rotating rod, so that the ejector rod pushes the plug to move forwards to plug the plugging block, the second bolt is disassembled to open the baffle to be placed into the filter screen, and the filter screen is used for filtering the device, so that the service life of the device is longer;
2. the device is through installing the end cap simultaneously, the ejector pin, the sprue, the fixed block, the dwang, the second device shell, a valve core, kicking block and fourth device shell, drive kicking block extrusion ejector pin forward motion through rotating the dwang and make the ejector pin promote the forward motion with the end cap and plug up the inside liquid of stopping device with the sprue and flow, the liquid inside the device stops moving the fourth device shell after flowing when the device, the fourth device shell is taken out the inside case of second device shell after loosening and is changed it, make the device need not dismantle the change to whole device when going wrong again, staff's time has been saved.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a schematic diagram of the right-view structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic top sectional view of the present invention.
In the figure: 1. mounting blocks; 2. a first bolt; 3. a first device housing; 4. a plug; 5. a top rod; 6. a first spring; 7. blocking; 8. a first through hole; 9. a first stopper; 10. a fixed block; 11. rotating the rod; 12. a baffle plate; 13. a filter screen; 14. a second bolt; 15. a second device housing; 16. a second stopper; 17. turning a handle; 18. a valve core; 19. a third device housing; 20. a top block; 21. a second through hole; 22. a fourth device housing; 23. a chute; 24. a second spring; 25. a telescopic rod; 26. a slide bar; 27. and a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a combined valve of a pneumatic high-pressure oil ejector comprises a first device shell 3, a fixed block 10, a filter screen 13, a third device shell 19 and a telescopic rod 25, wherein mounting blocks 1 are arranged on two sides of the outer side of the first device shell 3;
a rotating rod 11 penetrating to the fixing block 10 is installed on one side, close to the plug 4, of the top end of the first device shell 3, and an ejector block 20 is installed on the outer side of the rotating rod 11 inside the first device shell 3, so that the device can quickly stop liquid inside the device;
first through holes 8 are formed in the four corners of the mounting block 1, first bolts 2 are arranged in the first through holes 8, a blocking block 7 is arranged on one side of the inner side wall of the first device shell 3, a first stop block 9 is arranged on one side of the inner side wall, close to the blocking block 7, of the inner portion of the first device shell 3, second through holes 21 are uniformly formed in one side of the first stop block 9, a first spring 6 is uniformly arranged on one side, close to the blocking block 7, of the first stop block 9, a plug 4 is arranged on one side, far away from the first stop block 9, of the first spring 6, a push rod 5 penetrating through the first stop block 9 is transversely arranged at the middle position of one side, close to the first stop block 9, of the first stop block 9, and fixing blocks 10 are arranged at the top end and the bottom end of the inner portion of the;
a third device shell 19 is arranged in the first device shell 3 on the side, far away from the first stop block 9, of the fixed block 10, and a filter screen 13 penetrating through the third device shell 19 is arranged on the side, far away from the rotating rod 11, of the top end of the first device shell 3, so that liquid in the device is filtered;
a baffle 12 is arranged at the top end of the filter screen 13, and second bolts 14 penetrating to the top end of the first device shell 3 are arranged at four corners of the top end of the baffle 12, so that the filter screen 13 can be conveniently replaced;
a second device shell 15 penetrating to the top end of the first device shell 3 is mounted at the bottom end of the inside of the first device shell 3 on the side, far away from the fixed block 10, of the third device shell 19, a fourth device shell 22 is arranged at the top end of the second device shell 15, a sliding groove 23 is formed in the bottom end of the fourth device shell 22, a second stop block 16 is arranged at the bottom end of the fourth device shell 22, a telescopic rod 25 is uniformly and vertically mounted at the top end of the second stop block 16, sliding rods 26 extending to the inside of the sliding groove 23 are mounted at the top ends of two sides of the telescopic rod 25, and balls 27 are arranged at the top ends of the sliding rods 26, so that;
the outer sides of the telescopic rods 25 are all provided with second springs 24, the second device shell 15 is internally provided with a valve core 18 which penetrates through the second stop block 16 and extends to the top end of the fourth device shell 22, and the top end of the outer side of the valve core 18 is provided with a rotating handle 17, so that the opening and closing of the device can be conveniently controlled.
The working principle is as follows: when the combined valve of the pneumatic high-pressure oil ejector is used, after the installation is finished through the first bolt 2 in the first through hole 8 on the installation block 1, the valve core 18 is driven to rotate through the rotating handle 17 to control the device, after the device is installed, the liquid pushes the plug 4 on one side of the block 7 due to the pressure and pushes the plug 4 to extrude the first spring 6 due to the liquid pressure, the plug 4 and the block 7 are always kept in an open state due to the continuous pressure carried by the liquid during flowing, when the liquid passes through the filter screen 13, the liquid in the first device shell 3 is filtered through the filter screen 13, so that the liquid flowing in the first device shell 3 reduces the damage to the device, when the device is used for a period, the top block 20 is rotated to a certain position through the rotating rod 11, when the top block 20 is rotated to a certain position, the ejector rod 5 is extruded to push the plug 4, the plug 4 is contacted with the block 7 to stop the liquid flowing in the device, the baffle 12 is opened by loosening the second bolt 14 after the liquid stops flowing, the filter screen 13 is replaced after the baffle 12 is opened, and the valve core 18 is taken out from the second device shell 15 for replacement by rotating the fourth device shell 22 when the valve core 18 in the device has problems.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a combination valve of pneumatic high pressure grease squirt, includes first device shell (3), fixed block (10), filter screen (13), third device shell (19) and telescopic link (25), its characterized in that: the device is characterized in that mounting blocks (1) are mounted on two sides of the outer side of a first device shell (3), first through holes (8) are formed in four corners of each mounting block (1), first bolts (2) are arranged in the first through holes (8), a blocking block (7) is mounted on one side of the inner side wall of the first device shell (3), a first stop block (9) is mounted on one side of the inner side wall, close to the blocking block (7), of the inner side wall of the first device shell (3), second through holes (21) are uniformly formed in one side of the first stop block (9), first springs (6) are uniformly mounted on one side, close to the blocking block (7), of each first stop block (9), a plug (4) is mounted on one side, far away from the first stop block (9), of each plug (4) is transversely mounted at the middle position, close to the first stop block (9), of each plug (5) penetrating through the corresponding first stop block (9), and the top end and the bottom end of the first stop block (9) far away from the inner part of the first device shell (3) on one side of the plug (4) are both provided with fixing blocks (10).
2. The combination valve of a pneumatic high pressure lubricator as claimed in claim 1, wherein: first device shell (3) top is close to end cap (4) one side and installs dwang (11) that run through to fixed block (10), and ejector pad (20) are installed in the outside of the inside dwang (11) of first device shell (3).
3. The combination valve of a pneumatic high pressure lubricator as claimed in claim 1, wherein: the fixed block (10) is far away from the internally mounted of the first device shell (3) on one side of the first stop block (9) and is provided with a third device shell (19), and the top end of the first device shell (3) is far away from one side of the rotating rod (11) and is provided with a filter screen (13) penetrating through the third device shell (19).
4. The combination valve of a pneumatic high pressure lubricator as claimed in claim 3, wherein: the top of filter screen (13) is provided with baffle (12), and baffle (12) top four corners position department all installs second bolt (14) that run through to first device shell (3) top.
5. The combination valve of a pneumatic high pressure lubricator as claimed in claim 3, wherein: the utility model discloses a device, including fixed block (10), third device shell (19) keep away from fixed block (10) one side first device shell (3) inside bottom and install second device shell (15) that run through to first device shell (3) top, the top of second device shell (15) is provided with fourth device shell (22), and spout (23) have been seted up to the bottom of fourth device shell (22), the bottom of fourth device shell (22) is provided with second dog (16), and the even vertical installation telescopic link (25) in top of second dog (16), slide bar (26) that extend to spout (23) inside are all installed on telescopic link (25) both sides top, and the top of slide bar (26) is provided with ball (27).
6. The combination valve of a pneumatic high pressure lubricator as claimed in claim 5, wherein: the outer sides of the telescopic rods (25) are provided with second springs (24), a valve core (18) penetrating through a second stop block (16) and extending to the top end of a fourth device shell (22) is arranged inside the second device shell (15), and a rotating handle (17) is installed at the top end of the outer side of the valve core (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010267262.XA CN111365520A (en) | 2020-04-08 | 2020-04-08 | Combined valve of pneumatic high-pressure oil ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010267262.XA CN111365520A (en) | 2020-04-08 | 2020-04-08 | Combined valve of pneumatic high-pressure oil ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111365520A true CN111365520A (en) | 2020-07-03 |
Family
ID=71209307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010267262.XA Pending CN111365520A (en) | 2020-04-08 | 2020-04-08 | Combined valve of pneumatic high-pressure oil ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365520A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076454A (en) * | 2022-08-23 | 2022-09-20 | 江苏德高物联技术有限公司 | Gate valve capable of automatically enhancing sealing effect |
| CN117759751A (en) * | 2024-02-22 | 2024-03-26 | 江苏乐科节能科技股份有限公司 | leakage-proof pressure regulating valve |
| CN118462907A (en) * | 2024-07-10 | 2024-08-09 | 福建云联中汇环保科技有限公司 | Ball valve structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177147Y (en) * | 1993-08-24 | 1994-09-14 | 房殿武 | Adjustable flow vertical lift check valve |
| CN2846925Y (en) * | 2005-11-11 | 2006-12-13 | 北京迪威尔石油天然气技术开发有限公司 | Top mounted straight ball valve |
| CN201218331Y (en) * | 2008-07-04 | 2009-04-08 | 周现华 | Axially elastically sealing ball valve with conveniently replaced ball core and sealing ring |
| CN204176017U (en) * | 2014-09-26 | 2015-02-25 | 宣达实业集团有限公司 | Dress formula inclined-plane ultralow temperature Float ball valve in one |
| CN107002894A (en) * | 2014-11-18 | 2017-08-01 | 沙特阿拉伯石油公司 | It is isolable without hit piston check valve |
| US20170350522A1 (en) * | 2016-06-03 | 2017-12-07 | Inno-Mould Nv | Corrosion-resistant ball valve |
| CN207268321U (en) * | 2017-09-01 | 2018-04-24 | 川源(中国)机械有限公司 | A kind of dual-purpose valve |
| CN108775417A (en) * | 2018-07-29 | 2018-11-09 | 张健 | A kind of control amount type sewage conduct connection valve |
| CN110296270A (en) * | 2019-06-27 | 2019-10-01 | 天虹阀门科技（泉州）有限公司 | A kind of self-sealing elasticity seat valve lock |
-
2020
- 2020-04-08 CN CN202010267262.XA patent/CN111365520A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177147Y (en) * | 1993-08-24 | 1994-09-14 | 房殿武 | Adjustable flow vertical lift check valve |
| CN2846925Y (en) * | 2005-11-11 | 2006-12-13 | 北京迪威尔石油天然气技术开发有限公司 | Top mounted straight ball valve |
| CN201218331Y (en) * | 2008-07-04 | 2009-04-08 | 周现华 | Axially elastically sealing ball valve with conveniently replaced ball core and sealing ring |
| CN204176017U (en) * | 2014-09-26 | 2015-02-25 | 宣达实业集团有限公司 | Dress formula inclined-plane ultralow temperature Float ball valve in one |
| CN107002894A (en) * | 2014-11-18 | 2017-08-01 | 沙特阿拉伯石油公司 | It is isolable without hit piston check valve |
| US20170350522A1 (en) * | 2016-06-03 | 2017-12-07 | Inno-Mould Nv | Corrosion-resistant ball valve |
| CN207268321U (en) * | 2017-09-01 | 2018-04-24 | 川源(中国)机械有限公司 | A kind of dual-purpose valve |
| CN108775417A (en) * | 2018-07-29 | 2018-11-09 | 张健 | A kind of control amount type sewage conduct connection valve |
| CN110296270A (en) * | 2019-06-27 | 2019-10-01 | 天虹阀门科技（泉州）有限公司 | A kind of self-sealing elasticity seat valve lock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076454A (en) * | 2022-08-23 | 2022-09-20 | 江苏德高物联技术有限公司 | Gate valve capable of automatically enhancing sealing effect |
| CN117759751A (en) * | 2024-02-22 | 2024-03-26 | 江苏乐科节能科技股份有限公司 | leakage-proof pressure regulating valve |
| CN117759751B (en) * | 2024-02-22 | 2024-05-28 | 江苏乐科节能科技股份有限公司 | Leakage-proof pressure regulating valve |
| CN118462907A (en) * | 2024-07-10 | 2024-08-09 | 福建云联中汇环保科技有限公司 | Ball valve structure |
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Application publication date: 20200703 |