CN115962287A - Inflation sealing semi-circular top valve - Google Patents
Inflation sealing semi-circular top valve Download PDFInfo
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- CN115962287A CN115962287A CN202211491173.9A CN202211491173A CN115962287A CN 115962287 A CN115962287 A CN 115962287A CN 202211491173 A CN202211491173 A CN 202211491173A CN 115962287 A CN115962287 A CN 115962287A
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- 238000007789 sealing Methods 0.000 title claims abstract description 122
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 20
- 238000005336 cracking Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012856 packing Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 238000005491 wire drawing Methods 0.000 description 5
- 241000446313 Lamella Species 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000012852 risk material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The invention belongs to the field of valves, and particularly relates to an inflatable sealed semi-circular top valve which comprises a valve body, wherein flange plates are fixedly arranged at two ends of the valve body, a circulation groove penetrating through the two ends is formed in the inner side of the valve body, a retaining ring is fixedly arranged on the inner side of the circulation groove, a fixed sleeve is fixedly arranged in the valve body close to the top end, a threaded rod is in threaded connection with the inner side of the fixed sleeve, a rotary disc is fixedly arranged at the top end of the threaded rod, a top disc is rotatably connected to the bottom end of the threaded rod and positioned above the retaining ring, and a sealing strip is arranged on the inner side of the retaining ring.
Description
Technical Field
The invention belongs to the field of valves, and particularly relates to an inflatable sealed semi-dome valve.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
The dome valve is unique in that it can cut off the flowing stream or the stationary column of material entering the pressure tank, and then close to seal, thereby ensuring that the filling rate of the pressure tank is 100%,
in view of the high cost of the dome valve and the condition that the service life of the butterfly valve cannot reach the dome valve state due to the friction generated when the shaft hole is contacted with the material, the invention designs a product with the cost between the cost of the dome valve and the butterfly valve and the performance between the performance of the dome valve and the butterfly valve.
To this end, the present invention provides an inflatable sealed semi-dome valve.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an inflatable sealed semi-circular top valve, which comprises a valve body, wherein flange plates are fixedly arranged at two ends of the valve body, the inner side of the valve body is provided with a circulation groove which runs through the two ends, the inner side of the circulation groove is fixedly provided with a retaining ring, a fixed sleeve is fixedly arranged inside the valve body close to the top end, a threaded rod is connected with the inner side of the fixed sleeve in a threaded manner, the top end of the threaded rod is fixedly provided with a rotary disc, the bottom end of the threaded rod is rotatably connected with a top disc, the top disc is positioned above the interception ring, the inner side of the interception ring is provided with a sealing strip, and the outer side of the retaining ring is provided with an air pressure component which is used for expanding the sealing belt outwards, most of the existing valves realize the blocking effect by the physical sealing connection of the top disk and the retaining ring, and by the arrangement, when the top disk is closed, the top disk is continuously washed, the edge of the top disk is quickly abraded to cause untight sealing, the pipeline needs to be replaced, the diameter of the top disk is set to be slightly smaller than the inner diameter of the interception ring through the arrangement of a sealing belt, when the top disk sinks to the right position under the operation of the rotary disk, the air pressure component is started to lead the sealing strip to expand inwards, thereby sealing the outside of the top disk and blocking water flow through the flexible sealing strip and the top disk, which, when connected, the air pressure component is closed, the sealing belt is reset, the water flow is normally communicated, the top disc is rotated and ascended, the water path is gradually enlarged, because the friction between the top disc and the retaining ring is not generated in the running process of the valve, the service life of the valve is greatly prolonged, even after the sealing belt is worn, the expansion degree can be increased by changing the air pressure of the air pressure component, the sealing performance of the valve is always kept, and the valve is suitable for material transportation with high risk.
Preferably, the packing groove has been seted up at the inboard middle part of holding back the ring, the spout has all been seted up to the upper and lower inner wall in packing groove, the sealing strip includes elastic sealed the pad, the equal fixed mounting in sealed upper and lower both ends has the stay cord, the stay cord is located the inboard of spout, the atmospheric pressure subassembly includes the force pump, the output of force pump and the inboard intercommunication in packing groove, the during operation, press into the air through the force pump to the packing groove, outwards push up elastic sealed pad, let sealed pad laminating in the outside of set of a top, two stay cords are used for the fixed seal pad, when needing to open the valve, let the force pump stop to supply the pressure, let sealed pad return state, the set of a top just can normally rise this moment to the inflatable seal effect has been realized.
Preferably, holding back the ring and being the level setting, the inboard bottom fixed mounting of circulation groove has trigger module, trigger module's top is provided with presses the depression bar, trigger module and force pump are mutual, in operation, along with pushing down of holding back the ring, when descending to holding back the ring middle part, can push down the depression bar, trigger module can control force pump this moment and fill atmospheric pressure to filling the groove in, when needs are opened, retrieve atmospheric pressure through controlling force pump from the external world to grab the carousel and let the top dish rise, through this kind of setting, the sealed automatic positioning inflation sealed effect that fills has not only been realized, also possess simultaneously and prevent the spurious triggering effect, do not remove force pump's atmospheric pressure constraint earlier, the carousel can't rotate, to the valve of management and control hazardous liquid, can improve its security.
Preferably, sealed the pad is the platykurtic setting, the cross-section of spout is circular setting, be greater than sealed width of filling up between the cross-section of spout, the cross-section of wire drawing rope is circular setting, and the during operation, cooperation wire drawing rope width is greater than sealed setting of filling up, uses two wire drawing ropes can sealed the pad of effectual constraint, guarantees to fill up the inflation and expansion in-process, and sealed pad can be stabilized expansion and zoom.
Preferably, two communicating grooves penetrating through the filling groove are formed in one side of the valve body and are arranged in parallel, the sealing strip is in sliding connection with the filling groove and the sliding groove, the sealing strip enters the filling groove through the communicating grooves and is spread out from the other communicating groove after encircling a circle, when the valve is in use, the sealing strip is inevitably subjected to friction damage in a long-term use process, the sealing strip is matched with the communicating grooves, after the valve is used for a period of time, the sealing strip leaking to the outside is pulled outwards, the sealing strip originally is replaced by a new sealing strip, and through the arrangement, the service life of the valve is further prolonged, and the high sealing degree can be guaranteed without dismounting and replacing the valve.
Preferably, a winding box is fixedly mounted on the outer side of the valve body, a handle is arranged at the top end of the winding box, a winding roller is fixedly mounted at the bottom end of the handle, one end of the sealing tape is wound and fixed on the winding roller, when the valve body is in operation, a new sealing tape is wound on multiple layers through the winding roller in the winding box, the new sealing tape is released through the handle on one side during replacement, and the old sealing tape is pulled on the other side, so that the replacement is realized.
Preferably, sealed the pad comprises three-layer material, including the elasticity lamella that is located the center, the outside parcel of elasticity lamella has the inflation layer, the inflation layer is porous fiber material, the outside on inflation layer still wraps up has the anti-cutting layer, the anti-cutting layer can permeate water, and during operation, the sealed multilayer setting of filling up of cooperation has further guaranteed sealed effect, and when the valve used, the liquid in the valve can pass the anti-cutting layer, is absorbed by the inflation layer for the inflation layer inflation, the sealed interior external environment that can effectually plug up the valve of bloated sealed pad, only when pulling hard, the liquid of extruding the packing just can normally slide.
Preferably, the bottom of top dish is outer convex setting, one side that sealed pad is close to the top dish is connected with the skew piece, the outside fixed mounting of skew piece has the magnetic metal piece, the top dish is the magnetite material, and the during operation, the setting of cooperation skew piece because rivers are top-down's flow, under the washing away of rivers, the skew piece can open to the laminating is on the convex surface of top dish, and magnetic metal piece and top dish still can adsorb each other simultaneously, through this kind of setting, has further improved the leakproofness of valve.
Preferably, the joint of the offset sheet and the sealing gasket is in smooth transition, the joint of the offset sheet and the sealing gasket is fixedly connected with an arc-shaped anti-cracking sheet, the anti-cracking sheet is made of a flexible metal material, and is matched with the anti-cracking sheet during working, the anti-cracking sheet is used for bearing the shearing force between the offset sheet and the sealing gasket, so that the problem that the offset sheet and the sealing gasket are torn due to the overlarge shearing force under scouring is solved.
Preferably, the outside of valve body is provided with the auxiliary rod, the one end of auxiliary rod is rotated with the outside of valve body and is connected, the auxiliary rod is the arc setting, the card hole has been seted up at the middle part of auxiliary rod, the inboard sliding connection in card hole has the fixture block, and the during operation, because sealing strip and valve body are connected closely, the setting of cooperation auxiliary rod inserts the card hole with the sealing strip that leaks outward, uses the fixture block to fix sealing strip, later rotates the auxiliary rod, through lever increase of amplitude strength to can be comparatively light pull out sealing strip.
The invention has the following beneficial effects:
1. according to the inflation sealing semi-dome valve, the diameter of the top disc is set to be slightly smaller than the inner diameter of the retaining ring through the arrangement of the sealing strip, when the top disc sinks in place under the operation of the rotary disc, the air pressure assembly is started to enable the sealing strip to expand inwards, so that the outer side of the top disc is sealed, water flow is blocked through the flexible sealing strip and the top disc, when the top disc is communicated, the air pressure assembly is closed, the sealing strip returns to the original position, the water flow is normally communicated, the top disc rotates and rises, a water path is gradually enlarged, through the arrangement, the service life of the valve is greatly prolonged due to the fact that no friction exists between the top disc and the retaining ring in the operation process of the valve, and even after the sealing strip is abraded, the expansion degree can be increased through the change of the air pressure assembly, the sealing performance of the valve is kept all the time, and the valve is suitable for high-risk material transportation.
2. According to the inflation sealing semi-circular top valve, air is pressed into the filling groove through the pressure pump, the elastic sealing gasket is pushed outwards, the sealing gasket is attached to the outer side of the top disc, the two wire drawing ropes are used for fixing the sealing gasket, when the valve needs to be opened, the pressure pump stops supplying pressure, the sealing gasket returns to the state, and the top disc can normally rise at the moment, so that the inflation sealing effect is achieved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of the valve body of the present invention;
fig. 4 is a first perspective cross-sectional view of the sealing tape of the present invention;
fig. 5 is a second perspective cross-sectional view of the sealing tape of the present invention;
FIG. 6 is a perspective view of the valve body of the present invention;
FIG. 7 is a cross-sectional view of the present invention at the top disk and gasket;
in the figure: 1. a valve body; 2. a flange plate; 3. a pressure pump; 4. a turntable; 5. a coiling box; 6. sealing tape; 7. a handle; 8. fixing a sleeve; 9. a top tray; 10. a circulation tank; 11. a retaining ring; 12. drawing a wire rope; 13. filling the groove; 14. a chute; 15. a gasket; 16. a pressing lever; 17. a triggering module; 18. an offset sheet; 19. a magnetic metal sheet; 20. anti-cracking sheets; 21. an auxiliary lever; 22. and (4) clamping the hole.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
Example one
As shown in fig. 1 to 2, an inflation sealing semi-circle top valve according to an embodiment of the present invention includes a valve body 1, two ends of the valve body 1 are both fixedly installed with flange plates 2, an inner side of the valve body 1 is provided with a circulation groove 10 penetrating through the two ends, an inner side of the circulation groove 10 is fixedly installed with an interception ring 11, an inner side of the valve body 1 near a top end is fixedly installed with a fixed sleeve 8, an inner side of the fixed sleeve 8 is connected with a threaded rod in a threaded manner, a top end of the threaded rod is fixedly installed with a rotary table 4, a bottom end of the threaded rod is rotatably connected with a top disc 9, the top disc 9 is located above the interception ring 11, an inner side of the interception ring 11 is provided with a sealing strip 6, an outer side of the interception ring 11 is provided with an air pressure assembly, the air pressure assembly is used for outward expansion of the sealing strip 6, when in operation, most existing valves are physically and sealingly connected with the interception ring 11 through the top disc 9, the blocking effect is realized, in the arrangement, when the top disc 9 is closed, water flow can continuously wash the top disc 9, the edge of the top disc 9 can be quickly worn and abraded, the sealing is not tight, a pipeline needs to be replaced, the diameter of the top disc 9 is set to be slightly smaller than the inner diameter of the interception ring 11 through the arrangement of the sealing strip 6, when the top disc 9 sinks in place under the operation of the turntable 4, the air pressure assembly is started to enable the sealing strip 6 to expand inwards so as to seal the outer side of the top disc 9, the water flow is blocked through the flexible sealing strip 6 and the top disc 9, when the sealing strip is communicated, the air pressure assembly is closed, the sealing strip 6 is reset, the water flow is normally communicated, the top disc 9 is rotated and ascended, the water path is gradually enlarged, because the friction between the top disc 9 and the interception ring 11 does not exist in the operation process of the valve, the service life of the valve is greatly prolonged, and even after the sealing strip 6 is worn, the expansion degree can be increased by changing the air pressure of the air pressure component, the sealing performance of the valve is always kept, and the valve is suitable for the transportation of materials with higher danger.
As shown in fig. 2 to 3, fill groove 13 has been seted up at the inboard middle part of holding back ring 11, spout 14 has all been seted up to the upper and lower inner wall of fill groove 13, sealing strip 6 includes elastic sealed pad 15, the equal fixed mounting in the upper and lower both ends of sealed pad 15 has wire rope 12, wire rope 12 is located the inboard of spout 14, the atmospheric pressure subassembly includes force pump 3, force pump 3's output and the inboard intercommunication of fill groove 13, during operation, press into the air to fill groove 13 through force pump 3, outwards push up elastic sealed pad 15, let sealed pad 15 laminate in the outside of top dish 9, two wire ropes 12 are used for fixed seal pad 15, when needing to open the valve, let force pump 3 stop to supply pressure, let sealed pad 15 return the state, top dish 9 just can normally rise this moment to the inflatable seal effect has been realized.
As shown in fig. 2 to 3, the interception ring 11 is horizontally disposed, the triggering module 17 is fixedly mounted at the bottom end of the inner side of the circulation groove 10, the pressing rod 16 is disposed at the top end of the triggering module 17, the triggering module 17 interacts with the pressure pump 3, when the top plate 9 is pressed down, the pressing rod 16 is pressed down when the top plate is lowered to the middle of the interception ring 11, the triggering module 17 controls the pressure pump 3 to fill air pressure into the filling groove 13, when the top plate is required to be opened, the air pressure is recovered from the outside by controlling the pressure pump 3, and the rotary plate 4 is grabbed to lift the top plate 9.
As shown in fig. 3 to 4, sealed pad 15 is the platykurtic setting, the cross-section of spout 14 is circular setting, be greater than the width that sealed pad 15 between the cross-section of spout 14, the cross-section of wire rope 12 is circular setting, and during operation, cooperation wire rope 12 width is greater than the setting of sealed pad 15, uses two wire ropes 12 can sealed pad 15 of effectual constraint, guarantees that sealed pad 15 can stably expand and zoom in the inflation in-process.
As shown in fig. 2 to fig. 3, two communicating grooves penetrating through the filling groove 13 are formed in one side of the valve body 1, the two communicating grooves are arranged in parallel, the sealing strip 6 is slidably connected with the filling groove 13 and the sliding groove 14, the sealing strip 6 enters the filling groove 13 through the communicating grooves and is spread out from the other communicating groove after encircling a circle, when the valve is in use, the sealing strip 6 is inevitably damaged by friction in a long-term use process, the communicating grooves are arranged in a matched manner, after the valve is used for a period of time, the sealing strip 6 leaking to the outside is pulled outwards, and a new sealing strip 6 is replaced by the new sealing strip 6.
As shown in fig. 1 to 2, a winding box 5 is fixedly mounted on the outer side of the valve body 1, a handle 7 is arranged at the top end of the winding box 5, a winding roller is fixedly mounted at the bottom end of the handle 7, one end of the sealing tape 6 is wound and fixed on the winding roller, when the valve body is in operation, a new sealing tape 6 is wound by the winding roller in the winding box 5 for multiple layers, the new sealing tape 6 is released by the handle 7 at one side during replacement, and the old sealing tape 6 is pulled at the other side, so that the replacement is realized.
As shown in fig. 4, sealed pad 15 comprises three-layer material, including the elasticity lamella that is located the center, the outside parcel of elasticity lamella has the inflation layer, the inflation layer is porous fiber material, the outside on inflation layer has still wrapped up the anti-cutting layer, the anti-cutting layer can permeate water, and during operation, the sealed 15 multilayer setting of pad is sealed in the cooperation, has further guaranteed sealed effect, and when the valve used, the liquid in the valve can pass the anti-cutting layer, is absorbed by the inflation layer for the inflation layer inflation, the inside and outside environment of valve can effectually be plugged up to the sealed 15 that fills up of swelling, only when dragging hard, the liquid of extruding packing just can normally slide.
As shown in fig. 3 to 4, the bottom of the top plate 9 is arranged in an outward convex shape, one side, close to the top plate 9, of the sealing gasket 15 is connected with an offset sheet 18, a magnetic metal sheet 19 is fixedly mounted on the outer side of the offset sheet 18, the top plate 9 is made of a magnet material, and in operation, the offset sheet 18 is matched with the water flow flowing from top to bottom, so that the offset sheet 18 can be opened under the flushing of the water flow and is attached to the convex surface of the top plate 9, meanwhile, the magnetic metal sheet 19 and the top plate 9 can be mutually adsorbed, and the sealing performance of the valve is further improved through the arrangement.
As shown in fig. 4 to 5, the joint between the offset plate 18 and the gasket 15 is in smooth transition, and the joint between the offset plate 18 and the gasket 15 is fixedly connected with an arc-shaped anti-cracking plate 20, the anti-cracking plate 20 is made of a flexible metal material, and in operation, in cooperation with the arrangement of the anti-cracking plate 20, the anti-cracking plate 20 is used for bearing the shearing force between the offset plate 18 and the gasket 15, so as to reduce the problem that the offset plate 18 and the gasket 15 are torn due to the excessive shearing force under scouring.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: the outside of valve body 1 is provided with auxiliary rod 21, the one end of auxiliary rod 21 is rotated with the outside of valve body 1 and is connected, auxiliary rod 21 is the arc setting, calorie hole 22 has been seted up at the middle part of auxiliary rod 21, the inboard sliding connection in calorie hole 22 has the fixture block, and the during operation, because sealing strip 6 and valve body 1 are connected closely, the setting of cooperation auxiliary rod 21 will leak in sealing strip 6 inserts calorie hole 22 outward, uses the fixture block to fix sealing strip 6, later rotates auxiliary rod 21, through lever increase of amplitude power to can be comparatively light pull out sealing strip 6.
When the top disc 9 is closed, the top disc 9 is continuously washed, the edge of the top disc 9 is quickly abraded, the sealing is not tight, a pipeline needs to be replaced, the diameter of the top disc 9 is set to be slightly smaller than the inner diameter of the retaining ring 11 through the arrangement of the sealing belt 6, when the top disc 9 sinks in place under the operation of the rotary disc 4, the air pressure assembly is started to enable the sealing belt 6 to expand inwards, so that the outer side of the top disc 9 is sealed, the water flow is blocked through the flexible sealing belt 6 and the top disc 9, when the sealing belt is communicated, the air pressure assembly is closed to enable the sealing belt 6 to return to enable the water flow to be normally communicated, then the top disc 9 is rotated and raised, a water path is gradually enlarged, through the arrangement, the friction between the top disc 9 and the retaining ring 11 does not exist in the operation process of the valve, the service life of the valve is greatly prolonged, and even after the sealing belt 6 is abraded, the air pressure of the air pressure assembly can be changed, the expansion degree is increased, the sealing performance of the valve is always kept high, and the valve is suitable for transporting dangerous materials; air is pressed into the filling groove 13 through the pressure pump 3, the elastic sealing gasket 15 is pushed outwards, the sealing gasket 15 is attached to the outer side of the top plate 9, the two wire drawing ropes 12 are used for fixing the sealing gasket 15, when a valve needs to be opened, the pressure pump 3 stops supplying pressure, the sealing gasket 15 returns to the state, and the top plate 9 can normally rise at the moment, so that the inflation sealing effect is achieved; along with the pushing down of the top plate 9, when the top plate is lowered to the middle part of the interception ring 11, the pressing rod 16 is pushed down, the trigger module 17 controls the pressure pump 3 to fill air pressure into the filling groove 13, when the top plate is required to be opened, the air pressure is recovered from the outside through controlling the pressure pump 3, the turntable 4 is grabbed to enable the top plate 9 to ascend, through the arrangement, the automatic positioning, expansion and sealing effects of the sealing gasket 15 are achieved, meanwhile, the false triggering prevention effect is achieved, the air pressure constraint of the pressure pump 3 is not removed, the turntable 4 cannot rotate, and the safety of a valve for controlling dangerous liquid can be improved; the two stay wires 12 are used to effectively restrain the sealing gasket 15 by matching the arrangement that the width of the stay wires 12 is larger than that of the sealing gasket 15, so that the sealing gasket 15 can be stably expanded and contracted in the inflation and expansion process; in the long-term use process, the sealing strip 6 is inevitably subjected to friction damage and matched with the arrangement of the communicating groove, after the sealing strip is used for a period of time, the sealing strip 6 leaking to the outside is pulled outwards, and the original sealing strip 6 is replaced by the new sealing strip 6, so that the service life of the valve is further prolonged, and the extremely high sealing degree can be ensured without dismounting and replacing the valve; winding a new sealing belt 6 into a plurality of layers by a winding roller in a winding box 5, releasing the new sealing belt 6 by a handle 7 on one side during replacement, and pulling an old sealing belt 6 on the other side to realize replacement; the sealing effect is further ensured by matching with the multilayer arrangement of the sealing gasket 15, and when the valve is used, liquid in the valve can penetrate through the anti-cutting layer and is absorbed by the expansion layer, so that the expansion layer expands, the swelling sealing gasket 15 can effectively block the internal and external environments of the valve, and the extruded and filled liquid can normally slide only when being pulled forcefully; by matching with the arrangement of the offset sheet 18, as water flow flows from top to bottom, the offset sheet 18 can be opened and attached to the convex surface of the top disc 9 under the washing of the water flow, and the magnetic metal sheet 19 and the top disc 9 can be mutually adsorbed, so that the sealing property of the valve is further improved; the arrangement of the anti-cracking sheet 20 is matched, the anti-cracking sheet 20 is used for bearing the shearing force between the offset sheet 18 and the sealing gasket 15, and the problem that the offset sheet 18 and the sealing gasket 15 are torn due to the fact that the shearing force is too large under scouring is solved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An inflatable sealed semi-dome valve characterized by: including valve body (1), the equal fixed mounting in both ends of valve body (1) has ring flange (2), circulation groove (10) that link up both ends are seted up to the inboard of valve body (1), the inboard fixed mounting of circulation groove (10) has holding back ring (11), the inside of valve body (1) leans on top fixed mounting to have fixed cover (8), the inboard threaded connection of fixed cover (8) has the threaded rod, the top fixed mounting of threaded rod has carousel (4), the bottom of threaded rod is rotated and is connected with top dish (9), top dish (9) are located the top of holding back ring (11), the inboard of holding back ring (11) is provided with sealing strip (6), and the outside of holding back ring (11) is provided with the atmospheric pressure subassembly, the atmospheric pressure subassembly is used for letting sealing strip (6) outwards expand.
2. An inflatable sealed half-dome valve as set forth in claim 1 wherein: fill groove (13) have been seted up at the inboard middle part of holding back ring (11), spout (14) have all been seted up to the upper and lower inner wall in fill groove (13), sealing strip (6) are including elastic sealed pad (15), the equal fixed mounting in upper and lower both ends of sealed pad (15) has wire rope (12), wire rope (12) are located the inboard of spout (14), the atmospheric pressure subassembly includes force pump (3), the output of force pump (3) and the inboard intercommunication in fill groove (13).
3. An inflatable sealed half-dome valve as set forth in claim 2 wherein: the intercepting ring (11) is horizontally arranged, a triggering module (17) is fixedly installed at the bottom end of the inner side of the circulation groove (10), a pressing rod (16) is arranged at the top end of the triggering module (17), and the triggering module (17) is interactive with the pressure pump (3).
4. An inflatable sealed half-dome valve as set forth in claim 2 wherein: sealing pad (15) are the platykurtic setting, the cross-section of spout (14) is circular setting, be greater than the width that seals up (15) between the cross-section of spout (14), the cross-section of stay cord (12) is circular setting.
5. A gas-filled sealed half-dome valve as set forth in claim 4 wherein: two communicating grooves penetrating through the filling groove (13) are formed in one side of the valve body (1), the two communicating grooves are arranged in parallel, the sealing strip (6) is in sliding connection with the filling groove (13) and the sliding groove (14), the sealing strip (6) enters the filling groove (13) through the communicating grooves and is spread out from the other communicating groove after surrounding a circle.
6. A gas-filled sealed half-dome valve as set forth in claim 5 wherein: the winding device is characterized in that a winding box (5) is fixedly mounted on the outer side of the valve body (1), a handle (7) is arranged at the top end of the winding box (5), a winding roller is fixedly mounted at the bottom end of the handle (7), and one end of the sealing belt (6) is wound and fixed on the winding roller.
7. An inflatable sealed half-dome valve as set forth in claim 4 wherein: the sealing gasket (15) is composed of three layers of materials, and comprises an elastic sheet layer positioned at the center, an expansion layer is wrapped on the outer side of the elastic sheet layer, the expansion layer is made of porous fiber materials, a cutting-proof layer is further wrapped on the outer side of the expansion layer, and the cutting-proof layer can permeate water.
8. A gas-filled sealed semi-dome valve as set forth in claim 7 wherein: the bottom of top dish (9) is outer convex setting, one side that sealed pad (15) are close to top dish (9) is connected with skew piece (18), the outside fixed mounting of skew piece (18) has magnetic metal piece (19), top dish (9) are the magnetite material.
9. A gas-filled sealed semi-dome valve as set forth in claim 8 wherein: the joint of the offset sheet (18) and the sealing gasket (15) is smooth, an arc-shaped anti-cracking sheet (20) is fixedly connected to the joint of the offset sheet (18) and the sealing gasket (15), and the anti-cracking sheet (20) is made of flexible metal materials.
10. A gas-filled sealed half-dome valve as set forth in claim 4 wherein: the outside of valve body (1) is provided with auxiliary rod (21), the one end of auxiliary rod (21) is rotated with the outside of valve body (1) and is connected, auxiliary rod (21) are the arc setting, card hole (22) have been seted up at the middle part of auxiliary rod (21), the inboard sliding connection in card hole (22) has the fixture block.
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| CN202211491173.9A CN115962287B (en) | 2022-11-25 | 2022-11-25 | Inflatable sealing semicircular top valve |
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| CN202211491173.9A CN115962287B (en) | 2022-11-25 | 2022-11-25 | Inflatable sealing semicircular top valve |
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| CN115962287B (en) | 2023-10-27 |
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