CN109442055B - Fluoroplastic lining sampling valve - Google Patents
Fluoroplastic lining sampling valve Download PDFInfo
- Publication number
- CN109442055B CN109442055B CN201811618443.1A CN201811618443A CN109442055B CN 109442055 B CN109442055 B CN 109442055B CN 201811618443 A CN201811618443 A CN 201811618443A CN 109442055 B CN109442055 B CN 109442055B
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- Prior art keywords
- stainless steel
- lining
- valve
- fluorine
- tetrafluoro
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- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 42
- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 109
- 239000010935 stainless steel Substances 0.000 claims abstract description 109
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 42
- 239000011737 fluorine Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 239000002609 medium Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241000272183 Geococcyx californianus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012737 fresh medium Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a fluoroplastic lining sampling valve, and relates to the technical field of valve bodies. Including sample bottle, tetrafluoro adapter, lining fluorine lower cover and lining fluorine valve body, the inside threaded connection of sample bottle has tetrafluoro adapter, and the top of tetrafluoro adapter is provided with lining fluorine lower cover, and the both sides of lining fluorine lower cover all have lining fluorine valve body through flange sealing connection, and the middle part on lining fluorine valve body top is provided with lining fluorine case and stainless steel upper cover through flange sealing face. This fluoroplastic lining sampling valve, through setting up the tetrafluoro adapter, be convenient for connect through the tetrafluoro adapter between branch road and the sample bottle, open at tetrafluoro adapter side has the exhaust screw hole, and the timely waste gas collection that carries out through the hose that connects of being convenient for has ensured operating personnel personal safety, and the lining material of sampling valve is fluoroplastic, possesses high risk medium corrosions such as long-term strong acid and alkali resistance, can avoid stainless steel to cause the pollution to the medium owing to the intergranular corrosion simultaneously.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a fluoroplastic lining sampling valve.
Background
In the field of domestic chemical equipment, the sampling mode of high-risk medium on the current pipeline is mainly to increase a corrosion-resistant stop valve at the pipeline branch to control the sample, and this main process of sampling is: the potential safety hazard caused by overlarge pressure is sometimes considered before each sampling, the section of process pipeline is stopped, then a cut-off valve of a branch is opened, a section of material is connected with a larger special container, then the valve is closed, and a small amount of sample is extracted by using a small container bottle.
This line sampling process presents a number of cost and safety issues: firstly, if the process pipeline is stopped, the production efficiency is reduced, and the production cost is increased; secondly, residual liquid exists in the branch cut-off valve after the branch cut-off valve is opened and closed, the residual liquid is mixed with fresh medium when the valve is opened next time, the detection result of a sample is affected, and the last material in a pipeline is required to be discharged completely for sampling; thirdly, the caliber of a flow passage of the shut-off valve is generally larger, and the flow is difficult to control by the handle operation during each discharging; fourth, the released medium must be received by a large container, so that on one hand, the medium is exposed to the air environment and has larger pollution, and on the other hand, the medium has larger personal safety hidden trouble for operators; some manufacturers also use inlet stainless steel valves to sample so that metal ions in the stainless steel react with the media and contaminate the media, and for this purpose we have proposed fluoroplastic lined sampling valves to solve the above problems.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a fluoroplastic lining sampling valve which has the advantages of controlling the flow in the sampling process, resisting corrosion and aging and the like, and solves the problem that the conventional sampling valve has a common use effect in the sampling process.
(II) technical scheme
In order to achieve the purposes of controlling the flow in the sampling process, resisting corrosion and aging, the invention provides the following technical scheme: the utility model provides a fluoroplastic lining sampling valve, includes sample bottle, tetrafluoro adapter, lining fluorine lower cover and lining fluorine valve body, the inside threaded connection of sample bottle has tetrafluoro adapter, the top of tetrafluoro adapter is provided with lining fluorine lower cover, the both sides of lining fluorine lower cover all have lining fluorine valve body through flange sealing connection, the middle part on lining fluorine valve body top is provided with lining fluorine case and stainless steel upper cover through flange sealing surface, the bottom of lining fluorine case is the conical surface, and coincide with lining fluorine lower cover inside conical surface, lining fluorine case's center department is provided with stainless steel valve rod, stainless steel upper cover's inside is equipped with tetrafluoro guide ring and tetrafluoro packing ring, the top of tetrafluoro packing ring is equipped with stainless steel gland, stainless steel valve rod's outside threaded connection has stainless steel sleeve pipe, stainless steel sleeve pipe's surface is equipped with the spring, the outside of spring is equipped with stainless steel bonnet, stainless steel valve bonnet is fixed in stainless steel upper cover's top through threaded connection, the handle top is provided with the stainless steel handle, the stainless steel lock pin is equipped with the stainless steel handle through the stainless steel handle, the stainless steel handle is equipped with the stainless steel lock pin's the stainless steel handle.
Further optimize this technical scheme, the one end and the sample bottle bottleneck threaded seal connection of standard type of tetrafluoro adapter, the other end adopts locking seal screw thread to be connected with the bottom of lining fluorine lower cover, and opens the side has 1/4NPT seal screw thread exhaust hole, tetrafluoro adapter has two types, and one is used for pipeline horizontal installation, and another is used for perpendicular pipeline installation.
According to the technical scheme, the fluorine lining valve body is of a four-way structure, two ends of the fluorine lining valve body are provided with pipeline ports, the two ends of the fluorine lining valve body are connected in a flange mode, the middle lower flange plastic surface is attached to the flange fluoroplastic surface of the fluorine lining lower cover, the middle upper flange fluoroplastic surface is fastened through stainless steel bolts, the middle upper flange fluoroplastic surface is attached to the plastic sealing surface of the fluorine lining valve core, and the upper cover flange is fastened through stainless steel bolts.
According to the technical scheme, the fluorine-lined valve core is made of stainless steel metal cores and is wrapped with fluoroplastic, the middle of the fluorine-lined valve core is corrugated, the lower part of the fluorine-lined valve core is conical, when the fluorine-lined valve core moves up and down, the upper sealing surface is in a normal sealing state, the middle corrugated fluoroplastic has certain elasticity, acts along with the inner metal valve core, and the lower part of the fluorine-lined valve core is conical, so that sealing is easier to realize when the fluorine-lined valve core is pressed down.
Further optimizing this technical scheme, inside tetrafluoro guide ring, tetrafluoro packing ring in the stainless steel upper cover are connected with stainless steel valve rod.
According to the technical scheme, the stainless steel valve cap is internally provided with the spring, the spring is initially in a semi-compressed state, one end of the spring pushes the fluorine-lined valve core to be in a normally closed state through elasticity, the spring is provided with a continuously compressible space, the spring is continuously compressed through applying external force, the fluorine-lined valve core is driven to be opened, the pressure is cancelled, and the spring is automatically reset.
According to the technical scheme, one end of the stainless steel handle is movably connected with the stainless steel valve rod through the stainless steel pin, the top end of the stainless steel valve cap is used as a fulcrum, when the stainless steel handle is pressed down or lifted up, the stainless steel valve rod is controlled to move upwards, and the other end of the stainless steel handle is provided with a hanging lock hole corresponding to a padlock hole at the top of the stainless steel upper cover.
(III) beneficial effects
Compared with the prior art, the invention provides the fluoroplastic lining sampling valve, which has the following beneficial effects:
1. This fluoroplastic lining sampling valve, through setting up stainless steel valve rod, but horizontal or perpendicular installs in the middle of the pipeline for main pipeline medium is incessant, utilizes lever principle to push down or lift operation stainless steel handle to open the branch road and take a sample, need not the technology pipeline and stop, and the branch road flow channel mouth is the conical surface cooperation with the case sealed face simultaneously, and the valve pocket is inside to have no dead angle region, and the medium of sampling flow direction branch road flows into the bottle from the eminence to the eminence is whole at every turn, does not have the hydrops phenomenon in the valve, and the flow channel mouth diameter is phi 10, accessible push down or lift stainless steel handle adjustment case's aperture, thereby effectual control flow size, loosen stainless steel handle, built-in spring resets the branch road runner fast automatically.
2. This fluoroplastic lining sampling valve through setting up the tetrafluoro adapter, is convenient for connect through tetrafluoro adapter between branch road and the sample bottle, opens at tetrafluoro adapter side has the exhaust screw hole, and the timely through connect hose of being convenient for carries out waste gas collection, has ensured operating personnel personal safety, and the lining material of sampling valve is fluoroplastic, possesses high risk medium corrosion such as long-term strong acid and alkali resistance, can avoid stainless steel to cause the pollution to the medium owing to the intergranular corrosion simultaneously, has improved the life of this fluoroplastic lining sampling valve.
Drawings
FIG. 1 is a schematic view of the overall structure of the horizontal installation of the present invention;
FIG. 2 is a side view of the horizontal mounting of the present invention;
FIG. 3 is an enlarged view of a portion of the main structure of the bottom part of the present invention;
FIG. 4 is an enlarged partial view of the central main structure of the present invention;
FIG. 5 is an enlarged partial view of the top major structure of the present invention;
fig. 6 is a schematic view of the vertical installation main structure of the present invention.
In the figure: 1. sampling bottle; 2.a tetrafluoro adapter; 3. a fluorine-lined lower cover; 4. a fluorine lined valve body; 5. a fluorine lined valve core; 6. a stainless steel upper cover; 7. a tetrafluoro guide ring; 8. a tetrafluoro packing ring; 9. stainless steel gland; 10. stainless steel valve rod; 11. stainless steel sleeve; 12.a stainless steel bonnet; 13. a spring; 14. stainless steel pins; 15. a stainless steel handle; 16. and (5) padlock.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to figures 1-6, the invention discloses a fluoroplastic lining sampling valve, a side surface of a tetrafluoro adapter 2 is provided with a 1/4NPT threaded interface, so that a client can conveniently collect and convey harmful gases by distributing fluoroplastic pipe joints on site, the inner surface of a fluoroplastic lining lower cover 3 is fully lined with fluoroplastic at the position of a flange sealing surface, a fluoroplastic lining valve body 4 is of a four-way structure, pipeline ports are arranged at two ends, the inner surface is connected with the position of the flange sealing surface, the middle lower flange plastic surface is contacted with the flange sealing surface of the fluoroplastic lining lower cover 3, then the middle lower flange plastic surface is connected with the flange sealing surface of the fluoroplastic lining lower cover 3 through a stainless steel fastener, the middle upper flange sealing surface is connected with the plastic sealing surface of a fluoroplastic lining valve core 5 in series with a stainless steel upper cover 6 and connected with a flange through a stainless steel fastener, the bottom of the fluoroplastic lining valve core 5 is a conical surface which is matched with the conical surface inside the fluoroplastic lining lower cover 3, on one hand, medium flow is easy, no liquid accumulation is easy, on the other hand, the valve core is fast and reliable, the middle part of the fluorine lining valve core 5 is of a corrugated pipe structure, a telescopic compensation function is achieved when the stainless steel valve rod 10 drives the fluorine lining valve core 5 to move, the top of the fluorine lining valve core 5 is of a full sealing surface structure, the upper position is completely isolated from a medium, the stainless steel valve rod 10 is fixed on the fluorine lining valve core 5, the fluorine lining valve core 5 is driven to move by the up-and-down movement of the stainless steel valve rod 10, a tetrafluoro guide ring 7 and a tetrafluoro packing ring 8 are arranged in the stainless steel upper cover 6, the tetrafluoro guide ring 7 is connected with the stainless steel valve rod 10 for guiding, lubricating and stabilizing, the tetrafluoro packing ring 8 is connected with the stainless steel valve rod 10 for dustproof, waterproof and stabilizing, a stainless steel gland 9 is arranged at the top of the tetrafluoro packing ring 8, the stainless steel packing ring 11 is connected and fastened by a stainless steel fastener, a stainless steel sleeve 11 is connected with the stainless steel valve rod 10 in a threaded manner, a spring 13 is arranged on the stainless steel sleeve 11, the stainless steel valve cap 12 is arranged outside the spring 13, the stainless steel valve cap 12 is fixed at the top of the stainless steel upper cover 6 through threaded connection, the compression amount of the spring 13 can be adjusted through threads by the stainless steel valve cap 12, so that the sealing strength is controlled, the spring 13 generates elasticity after compression and is transmitted to the stainless steel sleeve 11, thereby indirectly pushing the fluorine lining valve core 5 to seal with the fluorine lining lower cover 3, one end of the stainless steel handle 15 is connected to the top of the stainless steel valve rod 10 through the stainless steel pin 14, the top of the stainless steel valve cap 12 is used as a fulcrum, the stainless steel handle 15 enables the stainless steel valve rod 10 to move upwards through the lever principle, the fluorine lining valve core 5 is opened, a lock hole is formed in the middle of the stainless steel handle 15 and is used opposite to a fixing hole in the corresponding position of the stainless steel upper cover 6, and the padlock 16 is arranged at the lock hole position, so that safe operation is facilitated.
In summary, according to the fluoroplastic lining sampling valve, the stainless steel valve rod 10 is arranged and can be horizontally or vertically arranged in a pipeline, so that a main pipeline medium is uninterrupted, the stainless steel handle 15 is pressed down or lifted up by utilizing a lever principle to open a branch for sampling, no process pipeline stop is needed, meanwhile, the pipeline opening of the branch is matched with the sealing surface of the valve core, dead angle areas are not formed in the valve cavity, the medium flowing to the branch from high to low flows into the bottle every time, no hydrops phenomenon exists in the valve, the diameter of the pipeline opening is phi 10, the opening of the valve core can be adjusted by pressing down or lifting up the stainless steel handle 15, the flow is effectively controlled, the handle is released, and the built-in spring 13 is quickly and automatically reset to cut off the pipeline; through setting up tetrafluoro adapter 2, be convenient for connect through tetrafluoro adapter 2 between branch road and the sample bottle 1, open at tetrafluoro adapter 2 side has the exhaust screw hole, and the timely through connect the hose of being convenient for to count carries out waste gas collection, has ensured operating personnel personal safety, and the lining material of sampling valve is fluoroplastic, possesses high risk medium corrosion such as long-term strong acid and alkali resistance, can avoid the stainless steel to cause the pollution to the medium owing to the intergranular corrosion simultaneously, has improved the life of this fluoroplastic lining sampling valve.
It should be noted that in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Fluoroplastic lining sampling valve, including sample bottle (1), tetrafluoro adapter (2), lining fluorine lower cover (3) and lining fluorine valve body (4), its characterized in that: the inner thread of the sampling bottle (1) is connected with a tetrafluoro adapter (2), the top of the tetrafluoro adapter (2) is provided with a fluoro-material lining lower cover (3), both sides of the fluoro-material lining lower cover (3) are respectively connected with a fluoro-material lining valve body (4) through flange sealing, the middle part of the top end of the fluoro-material lining valve body (4) is provided with a fluoro-material lining valve core (5) and a stainless steel upper cover (6) through flange sealing surfaces, the bottom of the fluoro-material lining valve core (5) is a conical surface and is matched with the conical surface in the fluoro-material lining lower cover (3), the center of the fluoro-material lining valve core (5) is provided with a stainless steel valve rod (10), the inner part of the stainless steel upper cover (6) is provided with a fluoro-material guiding ring (7) and a fluoro-material filling ring (8), the top of tetrafluoro packing ring (8) is provided with a stainless steel gland (9), the outer side of stainless steel valve rod (10) is connected with a stainless steel sleeve (11) in a threaded manner, the surface of the stainless steel sleeve (11) is provided with a spring (13), the outer part of the spring (13) is provided with a stainless steel valve cap (12), the stainless steel valve cap (12) is fixed at the top of the stainless steel upper cover (6) through threaded connection, the top of the stainless steel valve cap (12) is provided with a stainless steel handle (15), one end of the stainless steel handle (15) is fixedly connected at the top of the stainless steel valve rod (10) through a stainless steel pin (14), a lock hole is formed in the middle of the stainless steel handle (15), and a padlock (16) is arranged at the position of the lock hole;
The fluorine lining valve body (4) is of a four-way structure, pipeline flow ports are formed in two ends, the two ends are in flange connection, a middle lower flange plastic surface is attached to a flange fluoroplastic surface of the fluorine lining lower cover (3), the middle upper flange fluoroplastic surface is attached to a plastic sealing surface of the fluorine lining valve core (5) through stainless steel bolts, and the middle upper flange fluoroplastic surface is attached to the plastic sealing surface of the fluorine lining valve core through stainless steel bolts;
The fluorine-lined valve core (5) is made of stainless steel metal core and is wrapped with fluoroplastic, the middle of the fluorine-lined valve core (5) is corrugated, the lower part of the fluorine-lined valve core is conical, when the fluorine-lined valve core (5) moves up and down, the upper sealing surface is in a normally sealed state, the middle corrugated fluoroplastic has certain elasticity, acts along with the inner metal valve core, and the lower part of the fluorine-lined valve core is conical, so that sealing is easier to realize when the fluorine-lined valve core is pressed down.
2. The fluoroplastic lined sampling valve of claim 1, wherein: one end of the tetrafluoro adapter (2) is in threaded sealing connection with the bottle mouth of a standard sampling bottle (1), the other end of the tetrafluoro adapter is connected with the bottom of a fluorine lining lower cover (3) by adopting a loose-proof sealing thread, a 1/4NPT sealing thread exhaust hole is formed in the side face of the tetrafluoro adapter, the tetrafluoro adapter (2) has two forms, one form is used for horizontal installation of a pipeline, and the other form is used for vertical pipeline installation.
3. The fluoroplastic lined sampling valve of claim 1, wherein: the inner tetrafluoro guide ring (7) and the tetrafluoro packing ring (8) in the stainless steel upper cover (6) are connected with the stainless steel valve rod (10).
4. The fluoroplastic lined sampling valve of claim 1, wherein: the stainless steel valve cap (12) is internally provided with a spring (13), the spring (13) is initially in a semi-compressed state, one end of the spring (13) pushes the fluorine lining valve core (5) to be in a normally closed state through elasticity, the spring (13) is provided with a continuously compressible space, the spring (13) is continuously compressed through applying external force, the fluorine lining valve core (5) is driven to be opened, the pressure is cancelled, and the spring (13) is automatically reset.
5. The fluoroplastic lined sampling valve of claim 1, wherein: one end of the stainless steel handle (15) is movably connected with the stainless steel valve rod (10) through a stainless steel pin (14), when the stainless steel handle (15) is pressed down or lifted up through the top end of the stainless steel valve cap (12) as a fulcrum, the stainless steel valve rod (10) is controlled to move upwards, and a hanging lock hole is formed in the other end of the stainless steel handle, and corresponds to a padlock hole in the top of the stainless steel upper cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618443.1A CN109442055B (en) | 2018-12-28 | 2018-12-28 | Fluoroplastic lining sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618443.1A CN109442055B (en) | 2018-12-28 | 2018-12-28 | Fluoroplastic lining sampling valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109442055A CN109442055A (en) | 2019-03-08 |
| CN109442055B true CN109442055B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618443.1A Active CN109442055B (en) | 2018-12-28 | 2018-12-28 | Fluoroplastic lining sampling valve |
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| CN (1) | CN109442055B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122242A (en) * | 2019-12-24 | 2020-05-08 | 嘉兴学院 | Ecological water sampling device that uses of administering |
| CN114776810A (en) * | 2022-03-23 | 2022-07-22 | 淄博太极工业搪瓷有限公司 | Pipeline online multiple safety sealing lining sampling valve |
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|---|---|---|---|---|
| CN101344464A (en) * | 2007-07-11 | 2009-01-14 | 尼奥特察公司 | On-line valve sampling system |
| KR20120114980A (en) * | 2011-04-08 | 2012-10-17 | 주식회사 대정밸브 | Sealant structure for teflon lined butterfly valve |
| CN102798551A (en) * | 2011-05-27 | 2012-11-28 | 崔坤华 | Closed quantitative sampling valve and manufacturing method thereof |
| CN205639654U (en) * | 2016-05-28 | 2016-10-12 | 重庆华林自控仪表股份有限公司 | Corrosion -resistant self -operated regulator |
| CN206338461U (en) * | 2016-08-22 | 2017-07-18 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
| CN209414652U (en) * | 2018-12-28 | 2019-09-20 | 南京埃佳氟流体控制有限公司 | A kind of fluoroplastics lining sampling valve |
-
2018
- 2018-12-28 CN CN201811618443.1A patent/CN109442055B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344464A (en) * | 2007-07-11 | 2009-01-14 | 尼奥特察公司 | On-line valve sampling system |
| KR20120114980A (en) * | 2011-04-08 | 2012-10-17 | 주식회사 대정밸브 | Sealant structure for teflon lined butterfly valve |
| CN102798551A (en) * | 2011-05-27 | 2012-11-28 | 崔坤华 | Closed quantitative sampling valve and manufacturing method thereof |
| CN205639654U (en) * | 2016-05-28 | 2016-10-12 | 重庆华林自控仪表股份有限公司 | Corrosion -resistant self -operated regulator |
| CN206338461U (en) * | 2016-08-22 | 2017-07-18 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
| CN209414652U (en) * | 2018-12-28 | 2019-09-20 | 南京埃佳氟流体控制有限公司 | A kind of fluoroplastics lining sampling valve |
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| Publication number | Publication date |
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| CN109442055A (en) | 2019-03-08 |
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