CN114776813A - Fluoroplastic full-lining stop valve - Google Patents
Fluoroplastic full-lining stop valve Download PDFInfo
- Publication number
- CN114776813A CN114776813A CN202210428711.3A CN202210428711A CN114776813A CN 114776813 A CN114776813 A CN 114776813A CN 202210428711 A CN202210428711 A CN 202210428711A CN 114776813 A CN114776813 A CN 114776813A
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- Prior art keywords
- stop valve
- rod
- sealing
- main body
- ring
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- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 111
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 239000000872 buffer Substances 0.000 claims description 33
- 230000007797 corrosion Effects 0.000 claims description 28
- 238000005260 corrosion Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 28
- 230000000670 limiting effect Effects 0.000 claims description 15
- 238000005299 abrasion Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000013589 supplement Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000001802 infusion Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 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
- F16K1/02—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 with screw-spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
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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
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining
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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
- F16K27/12—Covers for housings
-
- 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
-
- 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
- F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a fluoroplastic full-lining stop valve which comprises a stop valve main body, a stop valve sealing end cover and a valve cover mounting frame, wherein the stop valve sealing end cover is mounted at the top of the stop valve main body, the valve cover mounting frame is mounted at the top of the stop valve sealing end cover, a stop valve rod is connected to the inner side of a valve rod nut through threads, an anti-blocking rod is embedded and mounted at the inner side of a movable cavity, a moving rod is mounted at the bottom end of the anti-blocking rod, and a mounting frame is mounted at the inner side of a liquid inlet pipe. According to the utility model, the stirring blades are arranged on the outer side of the connecting sleeve ring, when the inside of the stop valve main body is blocked or in a vortex state, a user pulls the pressing plate to enable the anti-blocking rod to move in the vertical direction, the anti-blocking rod drives the moving rod to move to enable the anti-blocking tamper head to tamper the inside of the stop valve main body, the anti-blocking rod is rotated to enable the moving rod to drive the stirring blades to rotate to dredge the blocked part, the good conductivity of the stop valve main body is ensured, and the safety performance in use is enhanced.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a fluoroplastic full-lining stop valve.
Background
The stop valve is also called as a stop valve, is the most widely used valve, has small friction force between sealing surfaces in the opening and closing process, is relatively durable, has small opening height, is easy to manufacture and convenient to maintain, pressure must be applied to a valve clack to force the sealing surfaces not to leak when the valve is closed, the resistance required to be overcome by operating force when a medium enters the valve from the lower part of the valve clack is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the motion form of the valve rod is a lifting rod type and a lifting rotating rod type, and the stop valve is only suitable for full opening and full closing and is not allowed to be adjusted and throttled.
The prior art stop valve has the following defects:
1. patent document CN212564618U discloses an energy-saving stop valve, which comprises an energy-saving stop valve component and an external infusion tube, the port pipe bodies of the stop valve liquid inlet pipe and the stop valve liquid outlet pipe are both fixedly provided with a connecting pipe head assembly, the two sides of the connecting pipe head component are provided with positioning components in a threaded manner, the port of the external infusion pipe is fixedly provided with a connecting cap component, a length-telescopic pipe body structure is formed between the middle valve body of the energy-saving stop valve and the pipe body of the liquid outlet pipe of the stop valve through a telescopic corrugated pipe, by the way, when the energy-saving stop valve component is used, the length can be stretched, the connection between the energy-saving stop valve component and two external infusion tubes with different distances can be met, the connecting pipe head component is fixedly connected with the connecting cap component in a plug-in manner through the positioning component, through the splicing mode, the valve body pipelines at two ends of the energy-saving stop valve assembly and the external infusion tube can be conveniently disassembled. The stop valve has poor sealing performance, is easy to cause liquid leakage, has low abrasion resistance and shortens the service life of the stop valve.
2. Patent document CN205715696U discloses a straight-flow full-lining stop valve for chlor-alkali, which comprises a valve body, a valve cover, a valve rod and a valve flap, wherein the valve body is provided with a medium inlet, a medium outlet and an upper mounting port, an inlet flange is arranged at the medium inlet, an outlet flange is arranged at the medium outlet, a middle flange is arranged at the upper mounting port, a connecting flange is arranged at one end of the valve cover, the valve rod is coaxially arranged in the valve cover, and a sealing mechanism is arranged between the valve rod and the valve cover; the included angle between the central line of the medium outlet and the central line of the middle flange is 60 degrees +/-0.5 degrees, and the composite fluoroplastic layer is fused on the inner side wall of the valve body, the outer surface of the valve clack, the outer surface of the valve rod contacted with the medium, the outer end surface of the inlet flange, the outer end surface of the outlet flange and the end surface of the middle flange connected with the connecting flange. The valve has the characteristics of good sealing performance, strong corrosion resistance and long service life; the medium resistance is small, the flow rate is high, and the specific angle setting is convenient for the installation and use of a specific position. "this stop valve does not possess and carries out filterable function to impurity in the liquid, uses for a long time and easily causes wearing and tearing to the stop valve inner wall, has reduced the good performance of stop valve.
3. Patent document CN209325067U discloses a strong corrosion resistant and particle resistant fluoroplastic full-lining stop valve, wherein a valve seat is arranged in a valve body, a valve clack is arranged on the valve seat in a matching manner, a valve rod is integrally arranged at the upper end of the valve clack, the valve rod extends out of a valve cover, a dynamic sealing structure is arranged between the valve rod and the valve cover, a transmission nut is arranged on the valve cover, a transmission screw rod is arranged in the transmission nut in a matching manner, and one end of the transmission screw rod is connected with a hand wheel; and a guide block used for connecting the transmission screw rod and the valve rod is arranged between the other end of the transmission screw rod and the end part of the valve rod extending out of the valve cover. The transmission screw rod and the valve rod are arranged in a split mode and are connected through the guide block, the connection is floating, the valve rod only does lifting movement and does not do rotating movement, and therefore the sealing surface of the valve clack and the sealing surface of the valve body are not abraded in an adhering mode, and the sealing performance is good; meanwhile, the abrasion between the valve rod and the filler is reduced, and the medium is prevented from leaking from the valve rod. "this stop valve can't dredge the inside jam of valve body, and the jam of liquid easily causes the damage of stop valve, and practicality is lower.
4. Patent document CN210318556U discloses a stop valve convenient to operation, "package stop valve and feed inlet, the feed inlet has been seted up to the left side wall of stop valve, and the upper end central point of stop valve puts to locate to set up and has put first screw hole, the liquid outlet has been seted up to the right side wall of stop valve, and the equal fixedly connected with cross keyway in the left and right sides of stop valve, the equal adaptation in both sides of stop valve has the connecting pipe, the top of cross keyway is provided with the second screw hole, the second screw hole is located the upper and lower both sides of the left and right sides wall of stop valve, the internal rotation of first screw hole is connected with drive screw. According to the stop valve, the cross-shaped fixing key fixedly connected with the side wall of the connecting pipe is aligned with the cross-shaped key groove formed in the side wall of the stop valve, and then the fixing bolt is inserted into the second threaded hole to rotate the fixing bolt, so that a user can conveniently fix and install the stop valve, and the sealing performance of the stop valve is improved through the matching of the baffle and the sealing plug. "this stop valve can lead to valve body internal pressure too big when rotating the drive screw who goes out, and the security performance during the use is lower, can't satisfy the user demand.
Disclosure of Invention
The utility model aims to provide a fluoroplastic full-lining stop valve to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a fluoroplastic full-lining stop valve comprises a stop valve main body, a stop valve sealing end cover and a valve cover mounting frame, wherein the stop valve sealing end cover is mounted at the top of the stop valve main body, the valve cover mounting frame is mounted at the top of the stop valve sealing end cover, and a valve rod nut is mounted on the inner side of the top end of the valve cover mounting frame;
the inner side of the valve rod nut is connected with a stop valve rod through threads, the bottom end of the stop valve rod penetrates through the top of the sealing end cover of the stop valve and extends into the stop valve main body, the top of the stop valve rod penetrates through a movable cavity, and an anti-blocking rod is embedded in the inner side of the movable cavity;
the utility model discloses a liquid feed pipe, including anti-blocking pole, feed liquor pipe, installation frame, filter screen, locking bolt, anti-leakage sealing washer, carriage removal pole is installed to the bottom of anti-blocking pole, the installation frame is installed to the inboard of feed liquor pipe, the filter screen is installed to the inboard of installation frame, the bottom of installation frame is run through and is installed the locking bolt, and installs between installation frame and the locking bolt and prevent leaking the sealing washer.
Preferably, the feed liquor pipe is installed to stop valve main part one side, and the drain pipe is installed to the opposite side of stop valve main part, has seted up the dovetail on the inner wall of stop valve main part, and the corrosion resistant inner liner is installed to the inboard of stop valve main part, installs sealed bearing diagonal pad on the inner wall of corrosion resistant inner liner, installs sealed backing plate on the inner wall of corrosion resistant inner liner.
Preferably, the connection flange dish is installed to the outer end of feed liquor pipe and drain pipe, and the activity ring is installed to the inboard of connection flange dish, and the stopper is installed in the outside of activity ring, and the connecting hole has been seted up in the outside run-through of connection flange dish.
Preferably, a connecting bolt is installed at the top of the sealing end cover of the stop valve in a penetrating mode, the output end of the connecting bolt is connected with the top of the main body of the stop valve, an end cover sealing ring is installed on the inner side of the sealing end cover of the stop valve, a sealing cavity is formed in the top of the sealing end cover of the stop valve, a sealing ring is installed on the inner side of the sealing cavity, an outer sealing ring is installed on the outer side of the sealing ring, and filling materials are installed on the inner side of the sealing cavity.
Preferably, the cushion chamber has been seted up at the bottom top of valve gap mounting bracket, has seted up the shifting chute on the both sides inner wall of cushion chamber, and the movable plate is installed to the inboard gomphosis of shifting chute, installs buffer spring on the diapire of cushion chamber, and buffer spring's top is connected with the bottom of movable plate, and the spliced pole is installed at the top of movable plate.
Preferably, the bottom of ending the valve rod is installed by the valve clack, has cup jointed the slip lantern ring outside ending the valve rod, and the connecting block is installed in the outside of the slip lantern ring, and adjusting hand wheel is installed on the top of ending the valve rod, and the skid resistant course is installed in adjusting hand wheel's the outside, has cup jointed fixed cover in the outside of ending the valve rod, and the bottom of fixed cover is connected with the top of spliced pole.
Preferably, the limiting ring is installed on the outer side of the anti-blocking rod, the limiting ring is matched with the movable cavity, and the pressing plate is installed at the top end of the anti-blocking rod.
Preferably, the connecting sleeve ring is installed through the bolted mounting in the outside of carriage release lever, and the stirring leaf is installed in the outside of connecting the sleeve ring, and the inner wall scraper blade is installed to the outer end of two sets of stirring leaves, and the connecting rod is installed to the bottom of carriage release lever, and the mounting panel is installed to the bottom of connecting rod, and the bottom of mounting panel is installed and is prevented blockking up and smash the head.
Preferably, the locking bolt is internally provided with a fixed seat, and the outer side of the fixed seat is provided with a bearing.
Preferably, the working steps of the stop valve are as follows:
s1, firstly, a user connects the connecting flange plate with the pipeline to realize the installation of the stop valve, the stop valve is connected with a fluid pipeline through a connecting hole, a liquid inlet pipe is fixedly connected with a connecting flange plate, a movable ring is in a circular hollow ring shape, a limiting block plays a limiting role in connection between the fluid pipeline and the connecting flange plate to ensure connection stability, a user rotates an adjusting hand wheel after connection is completed, the adjusting hand wheel drives a stop valve rod to rotate on the inner side of a valve rod nut to enable a stop valve clack to move upwards, circulating liquid flows to a liquid outlet pipe through the liquid inlet pipe to achieve the using purpose, a sealing cavity reduces friction between the stop valve rod and a sealing end cover of the stop valve, torque in the opening and closing process of the stop valve is reduced, filler automatically supplements abrasion parts, and the sealing ring and an outer sealing ring ensure the sealing effect of the sealing cavity on the stop valve rod;
s2, the position of the mounting frame is fixed through the locking bolt to ensure stable mounting between the mounting frame and the liquid inlet pipe, the filter screen filters impurities and large granular substances in circulating liquid, the filtered liquid flows out of the liquid outlet pipe through the stop valve main body, abrasion to the inner wall of the stop valve main body due to long-time use is prevented, the corrosion-resistant inner liner improves the corrosion-resistant strength of the stop valve main body, the bearing effectively reduces the rigid connection strength, the damage to the mounting frame due to liquid flowing is reduced, and the leakage-proof sealing ring enables the mounting frame and the locking bolt to be connected more stably and prevents liquid leakage;
s3, when the interior of the stop valve main body is blocked or in a vortex state, a user pulls the pressing plate to enable the anti-blocking rod to move in the vertical direction, the anti-blocking rod drives the moving rod to move to enable the anti-blocking tamping head to tamp the interior of the stop valve main body, the anti-blocking rod is rotated to enable the moving rod to drive the stirring blades to rotate to dredge the blocked position, and the inner wall scraper scrapes substances attached to the inner wall of the stop valve main body;
s4, the stop valve is closed after use, a user rotates an adjusting hand wheel, the adjusting hand wheel drives a stop valve rod to rotate on the inner side of a valve rod nut to enable a stop valve clack to move downwards, the stop valve clack blocks the interior of the stop valve body, when the stop valve clack moves downwards, a connecting column is driven by synchronous motion of a fixing sleeve to extrude a movable plate, the movable plate moves on the inner side of a moving groove to extrude a buffer spring, the buffer spring buffers impact force in the vertical direction, and damage to the stop valve body caused by overlarge acting pressure of the stop valve clack on the inner wall of the stop valve body is avoided.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the stop valve, the sealing cavity is formed in the top of the stop valve sealing end cover, the sealing ring is installed on the inner side of the sealing cavity, when the stop valve is opened, a user rotates the adjusting hand wheel, the adjusting hand wheel drives the stop valve rod to rotate on the inner side of the valve rod nut to enable the stop valve clack to move upwards, circulating liquid circulates towards the liquid outlet pipe through the liquid inlet pipe to achieve the using purpose, friction between the stop valve rod and the stop valve sealing end cover is reduced through the sealing cavity, the service life of the stop valve rod is prolonged, torque in the opening and closing process of the stop valve is reduced, the abrasion part is supplemented by filler, the sealing effect of the sealing cavity on the stop valve rod is guaranteed through the sealing ring and the outer sealing ring, and the practical performance is improved.
2. According to the utility model, the installation frame is installed on the inner side of the liquid inlet pipe, the locking bolt fixes the installation frame to ensure stable installation between the installation frame and the liquid inlet pipe, the filter screen filters impurities and large granular substances in circulating liquid, the filtered liquid flows out of the liquid outlet pipe through the stop valve main body, abrasion to the inner wall of the stop valve main body due to long-time use is prevented, the corrosion-resistant inner liner improves the corrosion-resistant strength of the stop valve main body, the bearing effectively reduces the strength of rigid connection, the damage to the installation frame due to liquid flowing is reduced, the leakage-proof sealing ring enables the connection between the installation frame and the locking bolt to be more stable and prevents liquid leakage, the locking bolt is screwed to realize quick installation and disassembly of the installation frame, and a user can conveniently clean and replace the filter screen in the later period.
3. According to the utility model, the stirring blades are arranged on the outer side of the connecting lantern ring, the anti-blocking tamper head is arranged at the bottom of the mounting plate, when a blockage or vortex condition occurs in the main body of the stop valve, a user pulls the pressing plate to enable the anti-blocking rod to move in the vertical direction, the anti-blocking rod drives the moving rod to move to enable the anti-blocking tamper head to tamper the inside of the main body of the stop valve, the anti-blocking rod is rotated to enable the moving rod to drive the stirring blades to rotate to dredge the blocked part, and the inner wall scraper scrapes off substances attached to the inner wall of the main body of the stop valve, so that good conductivity of the main body of the stop valve is ensured, and the safety performance in use is enhanced.
4. According to the stop valve, the buffer cavity is formed in the top of the bottom end of the valve cover mounting frame, the stop valve is closed after use, a user rotates the adjusting hand wheel, the adjusting hand wheel drives the stop valve rod to rotate on the inner side of the valve rod nut to enable the stop valve clack to move downwards, the stop valve clack blocks the interior of the stop valve body, the fixed sleeve synchronously moves to drive the connecting column to extrude the moving plate when the stop valve clack moves downwards, the moving plate moves on the inner side of the moving groove to extrude the buffer spring, the buffer spring buffers impact force in the vertical direction, damage to the stop valve body due to the fact that the stop valve clack acts on the inner wall of the stop valve body under excessive pressure is avoided, and the use requirements are met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the installation structure of the corrosion-resistant lining layer of the utility model;
FIG. 3 is a schematic perspective view of a connecting flange according to the present invention;
FIG. 4 is a front view of the internal structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A of the present invention;
FIG. 6 is a schematic view of the internal structure of the buffer chamber according to the present invention;
FIG. 7 is a perspective view of the movable rod of the present invention;
FIG. 8 is a schematic perspective view of an installation frame according to the present invention;
fig. 9 is a schematic view of an installation frame of the present invention.
In the figure: 1. a shut-off valve body; 101. a liquid inlet pipe; 102. a liquid outlet pipe; 103. a dovetail groove; 104. a corrosion resistant inner liner; 105. sealing the inclined pad; 106. sealing the base plate; 2. connecting a flange plate; 201. a movable ring; 202. a limiting block; 203. connecting holes; 3. sealing an end cover by the stop valve; 301. a connecting bolt; 302. an end cap seal ring; 303. sealing the cavity; 304. a seal ring; 305. an outer sealing ring; 306. a filler; 4. a bonnet mounting bracket; 401. a buffer chamber; 402. a moving groove; 403. moving the plate; 404. a buffer spring; 405. connecting columns; 406. a valve stem nut; 5. a stop valve stem; 501. a stop valve flap; 502. a movable cavity; 503. a slip collar; 504. connecting blocks; 505. adjusting a hand wheel; 506. an anti-slip layer; 507. fixing a sleeve; 6. an anti-jamming rod; 601. a limiting ring; 602. pressing the movable plate; 7. a travel bar; 701. a connecting lantern ring; 702. stirring the blades; 703. an inner wall scraper; 704. a connecting rod; 705. mounting a plate; 706. the anti-blocking tamping head; 8. installing a frame; 801. a filter screen; 802. locking the bolt; 803. a fixed seat; 804. a bearing; 805. prevent leaking the sealing washer.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection or a movable connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 9, an embodiment of the present invention: a fluoroplastic full-lining stop valve;
the stop valve comprises a stop valve main body 1, a corrosion-resistant inner liner layer 104 and a connecting flange plate 2, wherein a liquid inlet pipe 101 is installed on one side of the stop valve main body 1, a liquid outlet pipe 102 is installed on the other side of the stop valve main body 1, a dovetail groove 103 is formed in the inner wall of the stop valve main body 1, the corrosion-resistant inner liner layer 104 is installed on the inner side of the stop valve main body 1, a sealing inclined gasket 105 is installed on the inner wall of the corrosion-resistant inner liner layer 104, a sealing base plate 106 is installed on the inner wall of the corrosion-resistant inner liner layer 104, the dovetail groove 103 guarantees the stability of the corrosion-resistant inner liner layer 104 during installation, the corrosion-resistant inner liner layer 104 is prevented from falling off accidentally after being used for a long time, the sealing inclined gasket 105 and the sealing base plate 106 guarantee the sealing performance of the stop valve main body 1, the connecting flange plate 2 is installed at the outer ends of the liquid inlet pipe 101 and the liquid outlet pipe 102, a movable ring 201 is installed at the inner side of the connecting flange plate 2, a limiting block 202 is installed at the outer side of the movable ring 201, a connecting flange plate 203 is arranged through the connecting hole 203, the liquid inlet pipe 101, the liquid outlet pipe 102 and the connecting flange 2 are fixedly connected, the movable ring 201 is in a circular hollow ring shape, the outer wall surface of the movable ring 201 is attached to the inner wall surfaces of the liquid inlet pipe 101 and the liquid outlet pipe 102, and the stop valve main body 1 is stably connected with the circulating pipeline through the connecting hole 203.
Referring to fig. 1, 4, 5 and 6, a fluoroplastic full-lining stop valve;
the stop valve comprises a stop valve sealing end cover 3, a sealing cavity 303 and a valve cover mounting frame 4, wherein the stop valve sealing end cover 3 is installed at the top of a stop valve main body 1, a connecting bolt 301 is installed at the top of the stop valve sealing end cover 3 in a penetrating manner, the output end of the connecting bolt 301 is connected with the top of the stop valve main body 1, an end cover sealing ring 302 is installed on the inner side of the stop valve sealing end cover 3, the sealing cavity 303 is formed in the top of the stop valve sealing end cover 3, a sealing ring 304 is installed on the inner side of the sealing cavity 303, an outer sealing ring 305 is installed on the outer side of the sealing ring 304, a filler 306 is installed on the inner side of the sealing cavity 303, the connecting bolt 301 ensures the connection strength between the stop valve sealing end cover 3 and the stop valve main body 1, a user rotates an adjusting hand wheel 505 when the stop valve is opened, the adjusting hand wheel 505 drives a stop valve rod 5 to rotate on the inner side of a valve rod nut 406 to enable a stop valve flap 501 to move upwards, the circulating liquid circulates to the liquid outlet pipe 102 through the liquid inlet pipe 101 to achieve the using purpose, the sealing cavity 303 reduces the friction between the stop valve rod 5 and the stop valve sealing end cover 3, the service life of the stop valve rod 5 is prolonged, the torque in the opening and closing processes of the stop valve is reduced, the filler 306 supplements the abrasion part by itself, the sealing ring 304 and the outer sealing ring 305 ensure the sealing effect of the sealing cavity 303 on the stop valve rod 5, the practicability is improved, the top of the stop valve sealing end cover 3 is provided with the valve cover mounting frame 4, the top of the bottom end of the valve cover mounting frame 4 is provided with the buffer cavity 401, the inner walls at two sides of the buffer cavity 401 are provided with the moving groove 402, the moving plate 403 is embedded and installed at the inner side of the moving groove 402, the bottom wall of the buffer cavity 401 is provided with the buffer spring 404, the top of the buffer spring 404 is connected with the bottom of the moving plate 403, the top of the moving plate 403 is provided with the connecting column 405, valve rod nut 406 is installed to the top inboard of valve gap mounting bracket 4, stop valve end cover 3 provides the mounted position for valve gap mounting bracket 4, the stop valve is closed after using, user rotates adjusting hand wheel 505, adjusting hand wheel 505 drives stop valve rod 5 and rotates at valve rod nut 406 inboard and make stop valve clack 501 move down, realize stop valve clack 501 to the inside shutoff of stop valve main part 1, fixed cover 507 synchronous motion drives spliced pole 405 and extrudes movable plate 403 when stop valve clack 501 moves down, movable plate 403 moves at shifting chute 402 inboard and extrudes buffer spring 404, buffer spring 404 cushions the impact force in the vertical direction, avoid stop valve clack 501 to the inner wall operating pressure of stop valve main part 1 too big and cause the damage of stop valve main part 1.
Referring to fig. 1, 4 and 5, a fluoroplastic full-lining stop valve;
the stop valve comprises a stop valve rod 5, a fixed sleeve 507 and an anti-blocking rod 6, wherein the inner side of a valve rod nut 406 is connected with the stop valve rod 5 through threads, the bottom end of the stop valve rod 5 penetrates through the top of a sealing end cover 3 of the stop valve and extends into the interior of a stop valve main body 1, the bottom end of the stop valve rod 5 is provided with a stop valve clack 501, the top end of the stop valve rod 5 is provided with a movable cavity 502 in a penetrating manner, the outer side of the stop valve rod 5 is sleeved with a sliding sleeve ring 503, the outer side of the sliding sleeve ring 503 is provided with a connecting block 504, the top end of the stop valve rod 5 is provided with an adjusting hand wheel 505, the outer side of the adjusting hand wheel 505 is provided with an anti-slip layer 506, the outer side of the stop valve rod 5 is sleeved with the fixed sleeve 507, the bottom of the fixed sleeve 507 is connected with the top of the connecting column 405, the anti-blocking rod 6 is arranged on the inner side of the stop valve rod 5 in a penetrating manner, and the anti-slip layer 506 increases the friction area between the hands of a user and the adjusting hand 505, prevented to adjust hand wheel 505 and appeared skidding the phenomenon when rotating, the inboard gomphosis of activity cavity 502 is installed and is prevented blockking up pole 6, prevent blockking up pole 6's the outside and install spacing ring 601, and spacing ring 601 cooperatees with activity cavity 502, prevent blockking up the top of pole 6 and install pressure movable plate 602, spacing ring 601 restricts the shift position who prevents blockking up pole 6, the diameter of spacing ring 601 is greater than the diameter of activity cavity 502, it is convenient that the user of service provides to prevent blockking up pole 6 through pressing movable plate 602 to operate.
Referring to fig. 4, 7, 8 and 9, a fluoroplastic full-lining stop valve;
the anti-blocking device comprises a moving rod 7, a mounting frame 8 and a filter screen 801, wherein the moving rod 7 is installed at the bottom end of an anti-blocking rod 6, a connecting sleeve ring 701 is installed on the outer side of the moving rod 7 through bolts, stirring blades 702 are installed on the outer side of the connecting sleeve ring 701, inner wall scrapers 703 are installed at the outer ends of the two groups of stirring blades 702, a connecting rod 704 is installed at the bottom end of the moving rod 7, a mounting plate 705 is installed at the bottom end of the connecting rod 704, an anti-blocking tamper 706 is installed at the bottom of the mounting plate 705, when a blockage or vortex condition occurs inside a stop valve body 1, a user pulls a pressing plate 602 to enable the anti-blocking rod 6 to move in the vertical direction, the anti-blocking rod 6 drives the moving rod 7 to move to enable the anti-blocking tamper 706 to tamper inside the stop valve body 1, the anti-blocking rod 6 is rotated to drive the stirring blades 702 to rotate to dredge the blocked part, and the inner wall scrapers 703 scrape substances attached to the inner wall of the stop valve body 1, the good conductivity of the stop valve main body 1 is ensured, the safety performance in use is enhanced, the mounting frame 8 is installed on the inner side of the liquid inlet pipe 101, the filter screen 801 is installed on the inner side of the mounting frame 8, the locking bolt 802 is installed at the bottom of the mounting frame 8 in a penetrating manner, the fixing seat 803 is installed inside the locking bolt 802, the bearing 804 is installed on the outer side of the fixing seat 803, the anti-leakage sealing ring 805 is installed between the mounting frame 8 and the locking bolt 802, the locking bolt 802 fixes the position of the mounting frame 8 to ensure the stable installation between the mounting frame 8 and the liquid inlet pipe 101, the filter screen 801 filters impurities and large particles in circulating liquid, the filtered liquid flows out from the liquid outlet pipe 102 through the stop valve main body 1, the abrasion to the inner wall of the stop valve main body 1 caused by long-time use is prevented, the corrosion-resistant inner liner layer 104 improves the corrosion-resistant strength of the stop valve main body 1, and the bearing 804 effectively reduces the strength of rigid connection, reduce the damage that causes the installing frame 8 when liquid flows, prevent leaking of liquid when preventing that leak-proof sealing washer 805 makes installing frame 8 and locking bolt 802 be connected more firm, twist and move locking bolt 802 and realize the quick installation and the dismantlement to installing frame 8, and convenient to use personnel later stage clears up and changes filter screen 801.
The working steps of the stop valve are as follows:
s1, firstly, a user connects the connecting flange 2 with the pipeline to realize the installation of the stop valve, the stop valve is connected with a fluid pipeline through a connecting hole 203, the liquid inlet pipe 101 is fixedly connected with a connecting flange plate 2, the movable ring 201 is in a circular hollow ring shape, a limiting block 202 has a limiting effect on the connection between the fluid pipeline and the connecting flange plate 2 to ensure the connection stability, a user rotates an adjusting hand wheel 505 after the connection is completed, the adjusting hand wheel 505 drives a stop valve rod 5 to rotate on the inner side of a valve rod nut 406 to enable a stop valve clack 501 to move upwards, circulating liquid is circulated to a liquid outlet pipe 102 through the liquid inlet pipe 101 to achieve the use purpose, a sealing cavity 303 reduces friction between the stop valve rod 5 and a sealing end cover 3 of the stop valve, the torque in the opening and closing process of the stop valve is reduced, a filler 306 automatically supplements the abrasion part, and the sealing ring 304 and an outer sealing ring 305 ensure the sealing effect of the sealing cavity 303 on the stop valve rod 5;
s2, the position of the mounting frame 8 is fixed through the locking bolt 802 to ensure stable mounting between the mounting frame 8 and the liquid inlet pipe 101, the filter screen 801 filters impurities and large particulate matters in circulating liquid, the filtered liquid flows out of the liquid outlet pipe 102 through the stop valve main body 1, abrasion to the inner wall of the stop valve main body 1 caused by long-time use is prevented, the corrosion-resistant lining layer 104 improves the corrosion-resistant strength of the stop valve main body 1, the bearing 804 effectively reduces the strength of rigid connection, the damage to the mounting frame 8 when the liquid flows is reduced, and the leakage-proof sealing ring 805 enables the connection between the mounting frame 8 and the locking bolt 802 to be more stable and prevents liquid leakage;
s3, when the interior of the stop valve main body 1 is blocked or has a vortex condition, a user pulls the pressing plate 602 to enable the anti-blocking rod 6 to move in the vertical direction, the anti-blocking rod 6 drives the moving rod 7 to move to enable the anti-blocking tamper head 706 to tamper the interior of the stop valve main body 1, the anti-blocking rod 6 is rotated to enable the moving rod 7 to drive the tamper blade 702 to rotate to tamper the blocked part, and the inner wall scraper 703 scrapes off substances attached to the inner wall of the stop valve main body 1;
s4, the stop valve is closed after use, a user rotates the adjusting hand wheel 505, the adjusting hand wheel 505 drives the stop valve rod 5 to rotate on the inner side of the valve rod nut 406 to enable the stop valve clack 501 to move downwards, the stop valve clack 501 seals the interior of the stop valve body 1, the fixing sleeve 507 synchronously moves to drive the connecting column 405 to extrude the moving plate 403 when the stop valve clack 501 moves downwards, the moving plate 403 moves on the inner side of the moving groove 402 to extrude the buffer spring 404, the buffer spring 404 buffers impact force in the vertical direction, and damage to the stop valve body 1 caused by overlarge acting pressure of the stop valve clack 501 on the inner wall of the stop valve body 1 is avoided.
The working principle is as follows: when the device is used, firstly, a user connects the connecting flange plate 2 with a pipeline to realize the installation of the stop valve, the stop valve is connected with a fluid pipeline through the connecting hole 203, the liquid inlet pipe 101 is fixedly connected with the connecting flange plate 2, the movable ring 201 is in a circular hollow ring shape, the limiting block 202 has a limiting effect on the connection between the fluid pipeline and the connecting flange plate 2 to ensure the connection stability, the user rotates the adjusting hand wheel 505 after the connection is finished, the adjusting hand wheel 505 drives the stop valve rod 5 to rotate on the inner side of the valve rod nut 406 to enable the stop valve clack 501 to move upwards, circulating liquid circulates to the liquid outlet pipe 102 through the liquid inlet pipe 101 to achieve the use purpose, the sealing cavity 303 reduces the friction between the stop valve rod 5 and the sealing end cover 3 of the stop valve, reduces the torque in the opening and closing process of the stop valve, and the filler 306 supplements the abrasion part by itself, the sealing ring 304 and the outer sealing ring 305 ensure the sealing effect of the sealing cavity 303 on the stop valve rod 5, the position of the mounting frame 8 is fixed through the locking bolt 802 to ensure the stable mounting between the mounting frame 8 and the liquid inlet pipe 101, the filter screen 801 filters impurities and large particles in circulating liquid, the filtered liquid flows out from the liquid outlet pipe 102 through the stop valve main body 1, the abrasion to the inner wall of the stop valve main body 1 caused by long-time use is prevented, the corrosion-resistant inner liner layer 104 improves the corrosion-resistant strength of the stop valve main body 1, the bearing 804 effectively reduces the strength of rigid connection, the damage to the mounting frame 8 when the liquid flows is reduced, the leakage-proof sealing ring 805 enables the mounting frame 8 and the locking bolt 802 to be connected more stably and prevents the liquid from leaking, when the blockage or vortex situation occurs inside the stop valve main body 1, a user pulls the pressing plate 602 to enable the anti-blocking rod 6 to move in the vertical direction, the anti-blocking rod 6 drives the moving rod 7 to move so that the anti-blocking tamping head 706 tamps the interior of the stop valve body 1, the anti-blocking rod 6 is rotated so that the moving rod 7 drives the stirring blade 702 to rotate so as to dredge the blocked position, the inner wall scraper 703 scrapes off substances attached to the inner wall of the stop valve body 1, the stop valve is closed after use, a user rotates the adjusting hand wheel 505, the adjusting hand wheel 505 drives the stop valve rod 5 to rotate inside the valve rod nut 406 so that the stop valve clack 501 moves downwards, the stop valve clack 501 blocks the interior of the stop valve body 1, the fixing sleeve 507 synchronously moves to drive the connecting column 405 to extrude the moving plate when the stop valve clack 501 moves downwards, the moving plate 403 moves inside the moving groove 402 to extrude the buffer spring 404, the buffer spring 404 buffers impact force in the vertical direction, and damage to the stop valve body 1 caused by overlarge acting pressure of the stop valve clack 501 on the inner wall of the stop valve body 1 is avoided.
It will be evident to those skilled in the art that the utility model 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 utility model 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 (10)
1. The utility model provides a fluoroplastics full lining stop valve, includes stop valve main part (1), stop valve end cover (3) and valve gap mounting bracket (4), its characterized in that: the top of the stop valve main body (1) is provided with a stop valve sealing end cover (3), the top of the stop valve sealing end cover (3) is provided with a valve cover mounting rack (4), and the inner side of the top end of the valve cover mounting rack (4) is provided with a valve rod nut (406);
the inner side of the valve rod nut (406) is connected with a stop valve rod (5) through threads, the bottom end of the stop valve rod (5) penetrates through the top of the stop valve sealing end cover (3) and extends into the stop valve main body (1), the top of the stop valve rod (5) penetrates through a movable cavity (502), and an anti-blocking rod (6) is embedded and installed on the inner side of the movable cavity (502);
the utility model discloses a liquid filter, including anti-blocking pole (6), carriage release lever (7) are installed to the bottom of anti-blocking pole (6), installing frame (8) are installed to the inboard of feed liquor pipe (101), filter screen (801) are installed to the inboard of installing frame (8), the bottom of installing frame (8) is run through and is installed locking bolt (802), and installs between installing frame (8) and locking bolt (802) and prevent leaking sealing washer (805).
2. A fluoroplastic full-lined stop valve according to claim 1, wherein: feed liquor pipe (101) is installed to stop valve main part (1) one side, and drain pipe (102) are installed to the opposite side of stop valve main part (1), have seted up dovetail (103) on the inner wall of stop valve main part (1), and corrosion resistant inner liner (104) are installed to the inboard of stop valve main part (1), install sealed bearing diagonal (105) on the inner wall of corrosion resistant inner liner (104), install sealed backing plate (106) on the inner wall of corrosion resistant inner liner (104).
3. A fluoroplastic full-lined stop valve according to claim 2, wherein: connecting flange dish (2) are installed to the outer end of feed liquor pipe (101) and drain pipe (102), and movable ring (201) are installed to the inboard of connecting flange dish (2), and stopper (202) are installed in the outside of movable ring (201), and connecting hole (203) have been seted up in the outside run through of connecting flange dish (2).
4. A fluoroplastic full-lining stop valve according to claim 1, wherein: connecting bolt (301) is installed through the top of stop valve end cover (3), and the output of connecting bolt (301) is connected with the top of stop valve main part (1), end cover sealing washer (302) are installed to the inboard of stop valve end cover (3), sealed chamber (303) have been seted up at the top of stop valve end cover (3), sealing ring (304) are installed to the inboard of sealed chamber (303), outer seal ring (305) are installed in the outside of sealing ring (304), stopping (306) are installed to the inboard of sealed chamber (303).
5. A fluoroplastic full-lined stop valve according to claim 1, wherein: buffer chamber (401) have been seted up at the bottom top of valve gap mounting bracket (4), have seted up shifting chute (402) on the both sides inner wall of buffer chamber (401), and movable plate (403) are installed to the inboard gomphosis of shifting chute (402), install buffer spring (404) on the diapire of buffer chamber (401), and the top of buffer spring (404) is connected with the bottom of movable plate (403), and spliced pole (405) are installed at the top of movable plate (403).
6. A fluoroplastic full-lined stop valve according to claim 1, wherein: the stop valve clack (501) is installed to the bottom of ending valve rod (5), slip lantern ring (503) has been cup jointed in the end valve rod (5) outside, and connecting block (504) are installed in the outside of slip lantern ring (503), and adjusting hand wheel (505) are installed on the top of ending valve rod (5), and skid resistant course (506) are installed in the outside of adjusting hand wheel (505), and fixed cover (507) has been cup jointed in the outside of ending valve rod (5), and the bottom of fixed cover (507) is connected with the top of spliced pole (405).
7. A fluoroplastic full-lined stop valve according to claim 1, wherein: the outside of anti-blocking rod (6) is installed spacing ring (601), and spacing ring (601) and activity cavity (502) cooperate, and the top of anti-blocking rod (6) is installed and is pressed movable plate (602).
8. A fluoroplastic full-lining stop valve according to claim 1, wherein: the utility model discloses a stirring device, including the removal pole (7), the outside of removal pole (7) is installed through the bolt and is connected lantern ring (701), and stirring bucket (702) are installed in the outside of connecting the lantern ring (701), and inner wall scraper blade (703) are installed to the outer end of two sets of stirring bucket (702), and connecting rod (704) are installed to the bottom of removal pole (7), and mounting panel (705) are installed to the bottom of connecting rod (704), and the bottom of mounting panel (705) is installed and is prevented blockking up and smash head (706).
9. A fluoroplastic full-lining stop valve according to claim 1, wherein: the locking bolt (802) is internally provided with a fixed seat (803), and the outer side of the fixed seat (803) is provided with a bearing (804).
10. A fluoroplastic full-lined stop valve according to any one of claims 1 to 9, operating in the following steps:
s1, firstly, a user connects the connecting flange (2) with the pipeline to install the stop valve, the stop valve is connected with the fluid pipeline through the connecting hole (203), the liquid inlet pipe (101) is fixedly connected with the connecting flange (2), the movable ring (201) is in a circular hollow ring shape, the limiting block (202) has a limiting effect on the connection between the fluid pipeline and the connecting flange (2) to ensure the connection stability, the user rotates the adjusting hand wheel (505) after the connection is completed, the adjusting hand wheel (505) drives the stop valve rod (5) to rotate on the inner side of the valve rod nut (406) to enable the stop valve clack (501) to move upwards, circulating liquid circulates to the liquid outlet pipe (102) through the liquid inlet pipe (101) to achieve the use purpose, the sealing cavity (303) reduces the friction between the stop valve rod (5) and the sealing end cover (3) of the stop valve, and reduces the torque in the opening and closing process of the stop valve, the filling material (306) supplements the worn part by itself, and the sealing ring (304) and the outer sealing ring (305) ensure the sealing effect of the sealing cavity (303) on the stop valve rod (5);
s2, the position of the installation frame (8) is fixed through the locking bolt (802) to ensure stable installation between the installation frame (8) and the liquid inlet pipe (101), the filter screen (801) filters impurities and large-particle substances in circulating liquid, the filtered liquid flows out from the liquid outlet pipe (102) through the stop valve main body (1), abrasion to the inner wall of the stop valve main body (1) caused by long-time use is prevented, the corrosion-resistant strength of the stop valve main body (1) is improved through the corrosion-resistant inner liner (104), the rigid connection strength is effectively reduced through the bearing (804), damage to the installation frame (8) when the liquid flows is reduced, and the leakage-proof sealing ring (805) prevents liquid leakage while the installation frame (8) is connected with the locking bolt (802) more stably;
s3, when the interior of the stop valve main body (1) is blocked or in a vortex state, a user pulls the pressing plate (602) to enable the anti-blocking rod (6) to move in the vertical direction, the anti-blocking rod (6) drives the moving rod (7) to move to enable the anti-blocking tamping head (706) to tamp the interior of the stop valve main body (1), the anti-blocking rod (6) is rotated to enable the moving rod (7) to drive the stirring blade (702) to rotate to dredge the blocked position, and the inner wall scraper blade (703) scrapes off substances attached to the inner wall of the stop valve main body (1);
s4, the stop valve is closed after use, a user rotates an adjusting hand wheel (505), the adjusting hand wheel (505) drives a stop valve rod (5) to rotate on the inner side of a valve rod nut (406) to enable a stop valve clack (501) to move downwards, so that the stop valve clack (501) seals the interior of the stop valve body (1), when the stop valve clack (501) moves downwards, a fixing sleeve (507) synchronously moves to drive a connecting column (405) to extrude a moving plate (403), the moving plate (403) moves on the inner side of a moving groove (402) to extrude a buffer spring (404), the buffer spring (404) buffers impact force in the vertical direction, and damage to the stop valve body (1) caused by overlarge pressure of the stop valve clack (501) on the inner wall of the stop valve body (1) is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210428711.3A CN114776813A (en) | 2022-04-22 | 2022-04-22 | Fluoroplastic full-lining stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210428711.3A CN114776813A (en) | 2022-04-22 | 2022-04-22 | Fluoroplastic full-lining stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114776813A true CN114776813A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210428711.3A Pending CN114776813A (en) | 2022-04-22 | 2022-04-22 | Fluoroplastic full-lining stop valve |
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| Country | Link |
|---|---|
| CN (1) | CN114776813A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116066627A (en) * | 2023-02-01 | 2023-05-05 | 江苏明江阀业有限公司 | Bellows governing valve with prevent blockking up function |
| CN116255497A (en) * | 2023-03-13 | 2023-06-13 | 江苏沃泰冶金设备有限公司 | Anti-blocking sealing structure based on double float valves |
| CN117967796A (en) * | 2024-03-29 | 2024-05-03 | 东营华辰石油装备有限公司 | Micro-motion water injection throttle valve |
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| GB381578A (en) * | 1930-06-07 | 1932-10-05 | Naamlooze Vennootschap Irma In | Improvements in or relating to valves |
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| CN212028547U (en) * | 2020-04-30 | 2020-11-27 | 浙江永联阀门集团有限公司 | Prevent blockking up lining fluorine stop valve |
| CN216131392U (en) * | 2021-07-19 | 2022-03-25 | 浙江康瑞阀门有限公司 | Strong corrosion resistant and particle abrasion resistant fluorine-lined stop valve |
| CN216200578U (en) * | 2021-11-19 | 2022-04-05 | 浙江荣一阀门有限公司 | Positive pressure internal balance stop valve |
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| GB381578A (en) * | 1930-06-07 | 1932-10-05 | Naamlooze Vennootschap Irma In | Improvements in or relating to valves |
| SU898046A1 (en) * | 1979-09-17 | 1982-01-15 | Азербайджанский государственный научно-исследовательский и проектный институт нефтяной промышленности | Deep-well cut-off valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066627A (en) * | 2023-02-01 | 2023-05-05 | 江苏明江阀业有限公司 | Bellows governing valve with prevent blockking up function |
| CN116255497A (en) * | 2023-03-13 | 2023-06-13 | 江苏沃泰冶金设备有限公司 | Anti-blocking sealing structure based on double float valves |
| CN116255497B (en) * | 2023-03-13 | 2023-11-03 | 江苏沃泰冶金设备有限公司 | Anti-blocking sealing structure based on double float valves |
| CN117967796A (en) * | 2024-03-29 | 2024-05-03 | 东营华辰石油装备有限公司 | Micro-motion water injection throttle valve |
| CN117967796B (en) * | 2024-03-29 | 2024-06-04 | 东营华辰石油装备有限公司 | Micro-motion water injection throttle valve |
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