CN116123302A - High-sealing leakage-proof oil extraction valve - Google Patents
High-sealing leakage-proof oil extraction valve Download PDFInfo
- Publication number
- CN116123302A CN116123302A CN202310051643.8A CN202310051643A CN116123302A CN 116123302 A CN116123302 A CN 116123302A CN 202310051643 A CN202310051643 A CN 202310051643A CN 116123302 A CN116123302 A CN 116123302A
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- Prior art keywords
- oil
- valve body
- fixedly connected
- valve
- sliding
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
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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
- F16K17/02—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
- F16K17/048—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 combined with other safety valves, or with pressure control devices
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/36—Features relating to lubrication
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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
- 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
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention relates to the field of valves, in particular to a high-sealing anti-leakage oil extraction valve, which comprises a valve body, wherein an oil inlet pipe and an oil outlet pipe are fixedly connected to the valve body, a screw is connected to the inner thread of the valve body, a sealing block is connected to the lower end of the screw, an oil storage cavity is formed in the valve body, a sliding plug is fixedly connected to the screw, the sliding plug is slidably connected to the oil storage cavity, an oil way is formed in the valve body, an oil bottle is fixedly connected to the valve body, the lower end of the oil bottle is communicated with the oil way, an air pipe is formed in the valve body, the air pipe is communicated with the inside of the oil storage cavity, a hollow pipe is fixedly connected to the sealing block, a sliding rod is slidably connected to the hollow pipe, a spring is connected between the sliding rod and the hollow pipe, and the sliding rod is fixedly connected to the lower end of the screw.
Description
Technical Field
The invention relates to the field of valves, in particular to a high-sealing leakage-proof oil extraction valve.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, is used for the fluid control system, and is quite various in variety and specification from the simplest stop valve to various valves used in a very complex automatic control system, and the oil extraction valve is one of the valves and is mainly used for regulating and controlling the oil quantity and stopping flow in the crude oil extraction and conveying process.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a high-sealing and leakage-proof oil extraction valve, which can discharge solidified grease and impurities accumulated in the valve, and further prolong the service life of the valve.
The utility model provides a high sealed oil recovery valve who prevents leaking, includes the valve body, fixedly connected with advances oil pipe and oil drain pipe on the valve body, and valve body internal thread connection has the screw rod, and the screw rod lower extreme is connected with the sealing block, has seted up in the valve body and has deposited the oil pocket, fixedly connected with sliding plug on the screw rod, sliding plug sliding connection has seted up the oil circuit in depositing the oil pocket in the valve body, fixedly connected with oil bottle on the valve body, oil bottle lower extreme and oil circuit intercommunication.
An air pipe is arranged in the valve body and is communicated with the inside of the oil storage cavity.
The sealing block is fixedly connected with a hollow pipe, a sliding rod is slidably connected in the hollow pipe, a spring is connected between the sliding rod and the hollow pipe, the sliding rod is fixedly connected at the lower end of the screw rod, and the sliding rod is slidably connected with the inner wall of the valve body.
And a sealing ring is fixedly connected to the inner wall of the valve body and is contacted with the sliding rod.
An oil drain port is formed in the valve body.
And the valve body is fixedly connected with a measuring bottle, and the measuring bottle is communicated with the oil drain port.
The measuring bottle is made of transparent glass.
And a graduated scale is fixedly connected to the measuring bottle.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIGS. 1 and 2 are schematic views of the overall structure of a high-seal leak-proof oil extraction valve;
FIGS. 3 and 4 are structural cross-sectional views of the valve body;
fig. 5 is a schematic structural view of an oil passage;
FIG. 6 is a schematic view of the structure of the trachea;
FIG. 7 is a schematic view of the structure of a measuring flask;
FIG. 8 is a cross-sectional view of the measuring flask;
FIG. 9 is a schematic structural view of a sealing block;
fig. 10 is a schematic structural view of a hand wheel.
Detailed Description
The present invention will be described in detail with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-6, there are shown schematic views of embodiments according to the present invention capable of carrying out impurities entered between the screw 202 and the valve body 101, thereby avoiding the phenomenon of accumulation of impurities, and further,
the utility model provides a high sealed oil recovery valve that prevents leaking, including valve body 101, through bolt fixedly connected with oil feed pipe 102 and oil drain pipe 103 on the valve body 101, valve body 101 internal thread connection has screw rod 202, and screw rod 202 lower extreme is connected with sealing block 207, has seted up in the valve body 101 and has deposited the oil pocket 104, is connected with slide plug 203 through bolt fixedly on the screw rod 202, and slide plug 203 sliding connection is in depositing the oil pocket 104, has seted up oil circuit 301 in the valve body 101, is connected with oil bottle 302 through bolt fixedly on the valve body 101, oil bottle 302 lower extreme and oil circuit 301 intercommunication.
The oil inlet pipe 102 is used for discharging oil to the valve body 101, the oil outlet pipe 103 is used for discharging oil in the valve body 101, the sealing block 207 is used for blocking the oil inlet pipe 102, so that the oil is isolated outside the valve body 101, when the screw 202 is rotated to enable the screw 202 to move upwards, the screw 202 can drive the sealing block 207 to move upwards, so that the oil passes through the valve body 101, when the sealing block 207 opens a port of the oil outlet pipe 103, the oil can be discharged through the oil outlet pipe 103, and then the oil quantity regulation and interception functions can be achieved by controlling the sealing block 207 to slide in the valve body 101.
Because conventional valve all possesses the glib, through the partial lubrication that pours into the lubricating grease into the glib, can make valve mechanical motion, avoid appearing rusting the phenomenon of blocking after long-time use, and influence the valve normal use, but pour into lubricating grease through the glib in, the grease in the valve is piled up for a long time and is easily blackened and coagulated or mix impurity, thereby influence the life of valve, this valve is when using, at first, add lubricating grease in to the oil bottle 302, when screw rod 202 moves down, screw rod 202 drives slide plug 203 and slides down, make and deposit the oil pocket 104 in the negative pressure, and then deposit the oil pocket 104 and absorb the lubricating grease in the oil bottle 302 through oil circuit 301, the lubricating grease gets into through the threaded connection department of screw rod 202 and valve body 101 and deposits in the oil pocket 104, carry out lubricating treatment to the threaded connection department of screw rod 202 and valve body 101.
When the screw 202 moves upwards, the screw 202 drives the sliding plug 203 to slide upwards, so that the lubricating grease in the oil storage cavity 104 is extruded, the lubricating grease returns to the oil storage cavity 104, impurities entering between the screw 202 and the valve body 101 can be carried out, the phenomenon of impurity accumulation is avoided, after repeated use for many times, a worker can observe the color change of the lubricating grease in the oil bottle 302, if the color is deepened, the lubricating grease in the oil bottle 302 can be replaced according to the requirement, and the function of prolonging the service life of the valve is achieved, and the worker is not required to frequently add the lubricating grease into the valve.
Referring to fig. 4, there is shown a schematic view of an embodiment according to the present invention capable of sucking in external air through an air pipe 303, avoiding effort upon rotation of the control screw 202, further,
an air pipe 303 is arranged in the valve body 101, and the air pipe 303 is communicated with the inside of the oil storage cavity 104.
When the screw 202 moves upwards, the screw 202 drives the sliding plug 203 to slide upwards, grease in the oil storage cavity 104 is extruded, negative pressure is generated in the oil storage cavity 104, external air is sucked through the air pipe 303, and the trouble of controlling the screw 202 to rotate is avoided.
Referring to fig. 4, there is shown a schematic diagram of an embodiment of the sealing block 207 capable of providing a telescoping function in accordance with the present invention, further,
the sealing block 207 is fixedly connected with a hollow tube 205 through a bolt, the hollow tube 205 is connected with a sliding rod 204 in a sliding way, a spring 206 is connected between the sliding rod 204 and the hollow tube 205, the sliding rod 204 is fixedly connected at the lower end of the screw rod 202 through a bolt, and the sliding rod 204 is connected with the inner wall of the valve body 101 in a sliding way.
When the pressure at the oil inlet pipe 102 is high, the pressure generated by oil can press the sealing block 207 to slide upwards, so that the hollow pipe 205 is driven to slide upwards, meanwhile, the spring 206 is stressed to compress, and the sealing block 207 has a telescopic function through the cooperation of the spring 206, the hollow pipe 205 and the sliding rod 204.
Referring to fig. 6, there is shown a schematic diagram capable of functioning as a seal between the slide bar 204 and the inner wall of the valve body 101 in accordance with the present invention and, further,
a sealing ring 105 is fixedly connected to the inner wall of the valve body 101, and the sealing ring 105 is in contact with a sliding rod 204.
The sealing ring 105 plays a role in sealing between the sliding rod 204 and the inner wall of the valve body 101, so that when the oil pressure is high, oil is prevented from entering the oil storage cavity 104 through a gap between the sliding rod 204 and the inner wall of the valve body 101.
Referring to fig. 8, there is shown a schematic diagram of an embodiment capable of functioning to relieve pressure from a valve in accordance with the present invention, avoiding the occurrence of valve rupture, further,
an oil drain port 401 is formed in the valve body 101.
The sealing block 207 slides upwards in the valve body 101 to open the oil drain pipe 103, oil is discharged from the oil drain pipe 103, hidden danger of valve rupture can be generated when the oil pressure is too large, at the moment, the sealing block 207 can slide upwards continuously under the action of the oil pressure, so that the spring 206 is compressed, an oil drain port 401 in the valve body 101 is exposed at the moment, part of oil can be discharged from the oil drain port 401, and accordingly the effect of relieving pressure for the valve is achieved, and the phenomenon of valve rupture is avoided.
When the oil pressure returns to normal, the sealing block 207 will return under the elastic action of the spring 206, so as to re-block the oil drain 401, and avoid excessive oil drain.
Referring to fig. 8, there is shown a schematic diagram of an embodiment capable of storing oil discharged at pressure relief according to the present invention, further,
the valve body 101 is fixedly connected with a measuring bottle 402 through a bolt, and the measuring bottle 402 is communicated with the oil drain port 401.
The measuring bottle 402 is used for storing oil discharged during pressure relief, and the oil discharged during pressure relief can enter the measuring bottle 402 through an oil drain port, so that energy waste is avoided.
Referring to fig. 8, a schematic diagram of an embodiment of the oil drain volume in accordance with the present invention that facilitates comparison of each pressure relief is shown, further,
the measuring flask 402 is made of transparent glass.
The staff can directly observe the oil quantity discharged into the measuring bottle 402 through transparent glass, so that the oil discharge quantity discharged from each pressure relief can be conveniently compared.
Referring to fig. 7, a schematic diagram of an embodiment of the present invention capable of measuring the amount of oil discharged at the time of pressure relief is shown, further,
a graduated scale 403 is fixedly connected to the measuring bottle 402 in an adhesive manner.
The oil discharge amount during pressure relief can be measured by observing the oil level in the measuring bottle 402 and comparing the oil level with the corresponding position on the graduated scale 403.
Referring to fig. 9-10, an illustration of an embodiment of the present invention is shown for facilitating manual rotation of the screw 202 by a worker, further,
the upper end of the screw 202 is fixedly connected with a hand wheel 201 through bolts.
The hand wheel 201 facilitates manual operation of the screw 202 for rotation by a worker.
Referring to fig. 2, there is shown an illustration of an embodiment according to the present invention that facilitates a secure connection with other pipes by bolts, further,
flanges are arranged on the oil inlet pipe 102 and the oil outlet pipe 103.
The flange is convenient for fixedly connecting the oil inlet pipe 102 and the oil outlet pipe 103 with other pipelines through bolts.
Claims (10)
1. The utility model provides a high sealed oil recovery valve that prevents leaking which characterized in that: including valve body (101), fixedly connected with advances oil pipe (102) and arranges oil pipe (103) on valve body (101), valve body (101) internal thread connection has screw rod (202), screw rod (202) lower extreme is connected with sealing block (207), oil storage chamber (104) have been seted up in valve body (101), fixedly connected with sliding plug (203) on screw rod (202), sliding plug (203) sliding connection is in oil storage chamber (104), oil circuit (301) have been seted up in valve body (101), fixedly connected with oil bottle (302) on valve body (101), oil bottle (302) lower extreme and oil circuit (301) intercommunication.
2. The high seal leak-proof oil recovery valve of claim 1, wherein: an air pipe (303) is arranged in the valve body (101), and the air pipe (303) is communicated with the inside of the oil storage cavity (104).
3. The high seal leak-proof oil recovery valve of claim 2, wherein: the sealing block (207) is fixedly connected with a hollow tube (205), the hollow tube (205) is connected with a sliding rod (204) in a sliding mode, a spring (206) is connected between the sliding rod (204) and the hollow tube (205), the sliding rod (204) is fixedly connected to the lower end of the screw rod (202), and the sliding rod (204) is connected with the inner wall of the valve body (101) in a sliding mode.
4. A high seal leak-proof oil recovery valve as defined in claim 3, wherein: and a sealing ring (105) is fixedly connected to the inner wall of the valve body (101), and the sealing ring (105) is contacted with the sliding rod (204).
5. The high seal leak-proof oil recovery valve of claim 4, wherein: an oil drain port (401) is formed in the valve body (101).
6. The high seal leak-proof oil recovery valve of claim 5, wherein: and a measuring bottle (402) is fixedly connected to the valve body (101), and the measuring bottle (402) is communicated with the oil drain port (401).
7. The high seal leak-proof oil recovery valve of claim 5, wherein: the measuring bottle (402) is made of transparent glass.
8. The high seal leak-proof oil recovery valve of claim 7, wherein: and a graduated scale (403) is fixedly connected to the measuring bottle (402).
9. The high seal leak-proof oil recovery valve of claim 1, wherein: the upper end of the screw rod (202) is fixedly connected with a hand wheel (201).
10. The high seal leak-proof oil recovery valve of claim 1, wherein: flanges are arranged on the oil inlet pipe (102) and the oil discharge pipe (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051643.8A CN116123302B (en) | 2023-02-02 | 2023-02-02 | High-sealing leakage-proof oil extraction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051643.8A CN116123302B (en) | 2023-02-02 | 2023-02-02 | High-sealing leakage-proof oil extraction valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116123302A true CN116123302A (en) | 2023-05-16 |
| CN116123302B CN116123302B (en) | 2023-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310051643.8A Active CN116123302B (en) | 2023-02-02 | 2023-02-02 | High-sealing leakage-proof oil extraction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116123302B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB566614A (en) * | 1943-07-16 | 1945-01-05 | Truvox Engineering Company Ltd | Improvements in or relating to self-lubricating devices |
| JP2001172946A (en) * | 1999-12-16 | 2001-06-26 | Kubota Corp | Lubricant supply device for opening and closing device |
| CN201535429U (en) * | 2009-09-22 | 2010-07-28 | 关兴杰 | Oil suction pump of lubrication device |
| CN202065549U (en) * | 2010-11-29 | 2011-12-07 | 上海华通阀门有限公司 | Lubrication mechanism with threads with guiding effect of lifting valve stem |
| CN104214497A (en) * | 2014-08-21 | 2014-12-17 | 武汉嗨拓科技有限公司 | Simple lubricating device |
| CN204240024U (en) * | 2014-11-25 | 2015-04-01 | 河北钢铁股份有限公司承德分公司 | Energy-saving grease adding instrument |
| CN104633424A (en) * | 2015-02-05 | 2015-05-20 | 芜湖凯博实业股份有限公司 | Remote lubricating grease long-term filling device and filling method thereof |
| CN204828739U (en) * | 2015-07-28 | 2015-12-02 | 浙江利水铜业有限公司 | Rust -resistant valve |
| CN106979381A (en) * | 2017-03-28 | 2017-07-25 | 吴燕 | A kind of valve with lubricant effect |
| CN208779096U (en) * | 2018-09-17 | 2019-04-23 | 山东鲁丽钢铁有限公司 | Overhead traveling crane lubrication device for wire cables |
| CN208886003U (en) * | 2018-09-28 | 2019-05-21 | 抚州市抚北天然气有限公司 | Multifunctional stop valve |
| CN210266653U (en) * | 2019-06-18 | 2020-04-07 | 马鞍山市众意机械制造有限公司 | Valve with rust-resistant function that loses |
| CN214890404U (en) * | 2021-07-21 | 2021-11-26 | 国家能源集团国源电力有限公司 | Valve lubricating system |
| CN114776878A (en) * | 2022-04-27 | 2022-07-22 | 开维喜阀门集团有限公司 | Stainless steel multifunctional meter front valve |
-
2023
- 2023-02-02 CN CN202310051643.8A patent/CN116123302B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB566614A (en) * | 1943-07-16 | 1945-01-05 | Truvox Engineering Company Ltd | Improvements in or relating to self-lubricating devices |
| JP2001172946A (en) * | 1999-12-16 | 2001-06-26 | Kubota Corp | Lubricant supply device for opening and closing device |
| CN201535429U (en) * | 2009-09-22 | 2010-07-28 | 关兴杰 | Oil suction pump of lubrication device |
| CN202065549U (en) * | 2010-11-29 | 2011-12-07 | 上海华通阀门有限公司 | Lubrication mechanism with threads with guiding effect of lifting valve stem |
| CN104214497A (en) * | 2014-08-21 | 2014-12-17 | 武汉嗨拓科技有限公司 | Simple lubricating device |
| CN204240024U (en) * | 2014-11-25 | 2015-04-01 | 河北钢铁股份有限公司承德分公司 | Energy-saving grease adding instrument |
| CN104633424A (en) * | 2015-02-05 | 2015-05-20 | 芜湖凯博实业股份有限公司 | Remote lubricating grease long-term filling device and filling method thereof |
| CN204828739U (en) * | 2015-07-28 | 2015-12-02 | 浙江利水铜业有限公司 | Rust -resistant valve |
| CN106979381A (en) * | 2017-03-28 | 2017-07-25 | 吴燕 | A kind of valve with lubricant effect |
| CN208779096U (en) * | 2018-09-17 | 2019-04-23 | 山东鲁丽钢铁有限公司 | Overhead traveling crane lubrication device for wire cables |
| CN208886003U (en) * | 2018-09-28 | 2019-05-21 | 抚州市抚北天然气有限公司 | Multifunctional stop valve |
| CN210266653U (en) * | 2019-06-18 | 2020-04-07 | 马鞍山市众意机械制造有限公司 | Valve with rust-resistant function that loses |
| CN214890404U (en) * | 2021-07-21 | 2021-11-26 | 国家能源集团国源电力有限公司 | Valve lubricating system |
| CN114776878A (en) * | 2022-04-27 | 2022-07-22 | 开维喜阀门集团有限公司 | Stainless steel multifunctional meter front valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116123302B (en) | 2023-08-25 |
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