CN115962287B - Inflatable sealing semicircular top valve - Google Patents
Inflatable sealing semicircular top valve Download PDFInfo
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- CN115962287B CN115962287B CN202211491173.9A CN202211491173A CN115962287B CN 115962287 B CN115962287 B CN 115962287B CN 202211491173 A CN202211491173 A CN 202211491173A CN 115962287 B CN115962287 B CN 115962287B
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000005491 wire drawing Methods 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 238000005336 cracking Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 239000002657 fibrous material 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 3
- 239000007769 metal material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 13
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000010008 shearing Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000003405 preventing effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 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
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention belongs to the field of valves, in particular to an inflatable sealing semicircular 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 in the inner side of the circulation groove, a fixed sleeve is fixedly arranged at the inner side of the valve body near the top end, a threaded rod is connected with the inner side of the fixed sleeve in a threaded manner, a turntable is fixedly arranged at the top end of the threaded rod, a top plate is rotatably connected with the bottom end of the threaded rod, the top plate is positioned above the retaining ring, and a sealing belt is arranged in the inner side of the retaining ring.
Description
Technical Field
The invention belongs to the field of valves, and particularly relates to an inflatable sealing semicircular top valve.
Background
The valve is a control component in the fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief 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 uniqueness of the dome valve is that it can shut off the flow stream or the stationary column into the pressure tank, and then close to seal, thus ensuring a 100% filling rate of the pressure tank,
in view of the high cost of the dome valve, the service life of the valve cannot reach the state of the dome valve due to friction generated when the shaft hole is contacted with materials, and the invention designs a product with the cost between the dome valve and the butterfly valve and the performance between the dome valve and the butterfly valve.
To this end, the invention provides an inflatable sealed semi-circular top valve.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an inflatable sealing semicircular 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 at the inner side of the circulation groove, a fixed sleeve is fixedly arranged at the inner side of the valve body near the top end, a threaded rod is connected with the inner side of the fixed sleeve in a threaded manner, a turntable is fixedly arranged at the top end of the threaded rod, the bottom end of the threaded rod is rotationally connected with a top plate, the top plate is positioned above the retaining ring, a sealing belt is arranged at the inner side of the retaining ring, an air pressure assembly is arranged at the outer side of the retaining ring and used for expanding the sealing belt outwards, when the inflatable sealing semicircular top valve works, the blocking effect is realized through the physical sealing connection of the top plate and the retaining ring, when the top plate is closed by water flow, the top disk is continuously flushed, the edge of the top disk is rapidly worn to cause the sealing to be not tight, the pipeline is required to be replaced, the diameter of the top disk is slightly smaller than the inner diameter of the retaining ring through the arrangement of the sealing belt, when the top disk is submerged in place under the operation of the turntable, the air pressure assembly is started to expand inwards the sealing belt, so that the outer side of the top disk is sealed, water flow is blocked through the flexible sealing belt and the top disk, when the air pressure assembly is communicated, the sealing belt is reset, the water flow is normally communicated, the top disk is rotated and lifted, the waterway is gradually enlarged, by the arrangement, the service life of the valve is greatly prolonged because the friction between the top disk and the retaining ring is avoided in the operation process of the valve, and even after the sealing belt is worn, the air pressure of the air pressure assembly is changed, the expansion degree is increased, and the sealing property of the valve is always maintained, the valve is suitable for transporting materials with high risk.
Preferably, the filling tank has been seted up at the inboard middle part of retaining ring, the spout has all been seted up to the upper and lower inner wall of filling tank, the sealing strip includes elastic sealing pad, the equal fixed mounting in upper and lower both ends of sealing pad has the wire drawing rope, the wire drawing rope is located the inboard of spout, the pneumatic module includes the force pump, the output of force pump and the inboard intercommunication of filling tank, during operation, through force pump to filling tank in-press air, outwards push up elastic sealing pad, let sealing pad laminating in the outside of roof plate, two wire drawing ropes are used for fixed sealing pad, when needing to open the valve, let the force pump stop the pressure supply, let sealing pad return the state, the roof plate just can normally rise this moment to realize inflatable seal effect.
Preferably, the retaining ring is the level setting, the inboard bottom fixed mounting of circulation groove has trigger module, trigger module's top is provided with presses the lever, trigger module and pressure pump interaction, during operation, along with the pushing down of roof plate, can push down the lever when falling to the retaining ring middle part, trigger module can control the pressure pump and pack atmospheric pressure in to the filling tank this moment, when needs are opened, from the external world through control pressure pump recovery atmospheric pressure to catch the carousel and let the roof plate rise, through this kind of setting, not only realized sealed pad automatic positioning inflation sealed effect, also possess simultaneously and prevent the mistake triggering effect, do not release the atmospheric pressure constraint of pressure pump earlier, the carousel can not rotate, to the valve of managing and controlling dangerous liquid, can improve its security.
Preferably, the sealing gasket is flat, the cross section of spout is circular setting, be greater than the width of sealing gasket between the cross section of spout, the cross section of wire drawing rope is circular setting, and during operation, cooperation wire drawing rope width is greater than the setting of sealing gasket, uses two wire drawing ropes can effectually restrict sealing gasket, guarantees at inflation expansion in-process, and sealing gasket can stably expand and zoom.
Preferably, two communicating grooves penetrating through the filling groove are formed in one side of the valve body, the two communicating grooves are arranged in parallel, the sealing belt is in sliding connection with the filling groove and the sliding groove, the sealing belt passes through the communicating grooves, enters the filling groove, and is transmitted from the other communicating groove after encircling, during operation, friction damage is necessarily caused to the sealing belt in the long-term use process, the sealing belt is matched with the communicating grooves, after a period of use, the sealing belt leaked to the outer side is pulled outwards, the novel sealing belt is enabled to replace the original sealing belt, through the arrangement, the service life of the valve is further prolonged, and extremely high sealing degree can be guaranteed without disassembling and changing the valve.
Preferably, the outside fixed mounting of valve body has the wind-up box, the top of wind-up box is provided with the handle, the bottom fixed mounting of handle has the wind-up roll, the one end winding of sealing strip is fixed on the wind-up roll, and during operation, through the wind-up roll winding multilayer in the wind-up box with new sealing strip, release new sealing strip through the handle on one side when changing, the old sealing strip of another side pulling realizes new old replacement.
Preferably, the sealing gasket comprises three layers of materials, including the elastic sheet layer that is located the center, the outside parcel of elastic sheet layer has the expansion layer, the expansion layer is porous fiber material, the outside of expansion layer still wraps up has the anti-cutting layer, the anti-cutting layer can permeate water, and during operation, the multilayer setting of cooperation sealing gasket has further guaranteed sealed effect, and when the valve was used, liquid in the valve can pass the anti-cutting layer, is absorbed by the expansion layer for the expansion layer inflation, and the sealing gasket of swelling can effectually block up the internal and external environment of valve, only when pulling hard, the liquid of extrusion packing just can normally slide.
Preferably, the bottom of roof dish is the evagination form setting, one side that the sealed pad is close to the roof dish is connected with the offset piece, the outside fixed mounting of offset piece has the magnetic metal piece, the roof dish is magnetite material, during operation, cooperation offset piece's setting, because rivers are top-down's flow, under the washing away of rivers, the offset piece can open to the laminating is on the convex surface of roof dish, and magnetic metal piece and roof dish still can adsorb each other simultaneously, through this kind of setting, has further improved the leakproofness of valve.
Preferably, the junction of offset piece and sealed pad is slick and sly excessive, and offset piece and sealed pad's junction fixedly connected with curved anti-split piece, anti-split piece is flexible metal material, during operation, cooperation anti-split piece's setting, anti-split piece are used for bearing the shearing force between offset piece and the sealed pad, reduce the too big problem that leads to offset piece and sealed pad tearing of shearing force under the scouring.
Preferably, the outside of valve body is provided with the auxiliary rod, the one end of auxiliary rod rotates with the outside of valve body to be connected, the auxiliary rod is the arc setting, the draw-in hole has been seted up at the middle part of auxiliary rod, the inboard sliding connection in draw-in hole has the fixture block, during operation, because sealing band and valve body are connected closely, and the setting of cooperation auxiliary rod inserts the sealing band of leaking in the draw-in hole, uses the fixture block to fix the sealing band, later rotates the auxiliary rod, through lever amplification strength to can be comparatively light pull out the sealing band.
The beneficial effects of the invention are as follows:
1. according to the inflatable sealing semicircular top 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 belt, when the top disc is sunk in place under the operation of the turntable, the air pressure assembly is started to expand inwards so as to seal the outer side of the top disc, water flow is blocked through the flexible sealing belt and the top disc, when the flexible sealing belt and the top disc are communicated, the air pressure assembly is closed, the sealing belt is reset, the water flow is normally communicated, the top disc is rotated and lifted, the waterway is gradually enlarged, due to the arrangement, the service life of the valve is greatly prolonged due to the fact that friction between the top disc and the retaining ring is avoided in the operation process of the valve, and even after the sealing belt is worn, the air pressure of the air pressure assembly is changed, the expansion degree is increased, the sealing performance of the valve is always kept, and the valve is applicable to material transportation with high risk.
2. According to the inflatable sealing semicircular top valve, air is pressed into the filling groove through the pressure pump, the elastic sealing gasket is outwards pushed to be 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 at the moment, the top disc can normally ascend, so that an inflatable sealing effect is achieved.
Drawings
The invention is further described below 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 a valve body of the present invention;
FIG. 4 is a first perspective cross-sectional view of a sealing strip of the present invention;
FIG. 5 is a second perspective cross-sectional view of the sealing strip 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 winding box; 6. a sealing tape; 7. a handle; 8. a fixed sleeve; 9. a top plate; 10. a flow channel; 11. a retaining ring; 12. a wire drawing rope; 13. filling the groove; 14. a chute; 15. a sealing gasket; 16. pressing a pressing rod; 17. a triggering module; 18. a bias sheet; 19. a magnetic metal sheet; 20. cracking prevention; 21. an auxiliary lever; 22. and (5) clamping the hole.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 2, the inflatable sealing semicircular top valve according to the embodiment of the present invention includes a valve body 1, flange plates 2 are fixedly installed at two ends of the valve body 1, a circulation groove 10 penetrating through two ends is provided at an inner side of the valve body 1, a retaining ring 11 is fixedly installed at an inner side of the circulation groove 10, a fixing sleeve 8 is fixedly installed at an inner side of the valve body 1 near a top end, a threaded rod is connected with an inner side thread of the fixing sleeve 8, a turntable 4 is fixedly installed at a top end of the threaded rod, a top disk 9 is rotatably connected at a bottom end of the threaded rod, the top disk 9 is located above the retaining ring 11, a sealing belt 6 is provided at an inner side of the retaining ring 11, and a pneumatic component is provided at an outer side of the retaining ring 11, the pneumatic component is used for expanding the sealing belt 6 outwards, when working, most existing valves are connected through physical sealing of the top disk 9 and the retaining ring 11, the blocking effect is realized, when the top disk 9 is closed, water flow continuously washes the top disk 9, the edge of the top disk 9 can be worn rapidly, sealing is not tight, a pipeline is required to be replaced, the diameter of the top disk 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 disk 9 is sunk in place under the operation of the turntable 4, the air pressure assembly is started to expand the sealing belt 6 inwards, so that the outer side of the top disk 9 is sealed, water flow is blocked through the flexible sealing belt 6 and the top disk 9, when the air pressure assembly is closed, the sealing belt 6 is reset, water flow is normally communicated, the top disk 9 is rotated and lifted, a waterway is gradually enlarged, through the arrangement, the service life of the valve is greatly prolonged because the friction between the top disk 9 and the retaining ring 11 is avoided during the operation of the valve, and even after the sealing belt 6 is worn, the air pressure of the air pressure component can be changed, so that the expansion degree is increased, the tightness of the valve is always kept, and the valve is applicable to material transportation with higher risk.
As shown in fig. 2 to 3, the middle part of the inner side of the retaining ring 11 is provided with a filling groove 13, the upper and lower inner walls of the filling groove 13 are provided with sliding grooves 14, the sealing belt 6 comprises elastic sealing gaskets 15, the upper and lower ends of the sealing gaskets 15 are fixedly provided with wiredrawing ropes 12, the wiredrawing ropes 12 are positioned on the inner side of the sliding grooves 14, the pneumatic assembly comprises a pressure pump 3, the output end of the pressure pump 3 is communicated with the inner side of the filling groove 13, during operation, air is pressed into the filling groove 13 through the pressure pump 3, the elastic sealing gaskets 15 are outwards propped up, the sealing gaskets 15 are attached to the outer side of the top disc 9, the two wiredrawing ropes 12 are used for fixing the sealing gaskets 15, when a valve needs to be opened, the pressure pump 3 stops supplying pressure, the sealing gaskets 15 return to a state, and the top disc 9 can normally rise at the moment, so that an inflatable sealing effect is realized.
As shown in fig. 2 to 3, the retaining ring 11 is horizontally arranged, the bottom end of the inner side of the circulation groove 10 is fixedly provided with the trigger module 17, the top end of the trigger module 17 is provided with the pressing rod 16, the trigger module 17 interacts with the pressure pump 3, when in operation, the pressing rod 16 is pressed down along with the pressing down of the top disk 9 when the pressure pump falls to the middle part of the retaining ring 11, the trigger module 17 controls the pressure pump 3 to fill the filling groove 13 with air pressure, when the pressure pump 3 needs to be started, air pressure is recovered from the outside, the pressure pump 3 is controlled and the pressure disk 4 is gripped to enable the top disk 9 to rise, by the arrangement, the automatic positioning expansion sealing effect of the sealing gasket 15 is realized, the false triggering preventing effect is also realized, the air pressure constraint of the pressure pump 3 is not released, the turntable 4 cannot rotate, and the safety of the valve for controlling dangerous liquid can be improved.
As shown in fig. 3 to 4, the sealing gasket 15 is arranged in a flat shape, the cross sections of the sliding grooves 14 are arranged in a circular shape, the width of the sealing gasket 15 is larger than that of the cross sections of the sliding grooves 14, the cross sections of the wiredrawing ropes 12 are arranged in a circular shape, and when the sealing gasket 15 is matched with the wiredrawing ropes 12 to be arranged in a width larger than that of the sealing gasket 15 in operation, the sealing gasket 15 can be effectively bound by using the two wiredrawing ropes 12, and the sealing gasket 15 can be stably expanded and scaled in the inflation and expansion process.
As shown in fig. 2 to 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 belt 6 is in sliding connection with the filling groove 13 and the sliding groove 14, the sealing belt 6 enters the filling groove 13 through the communicating grooves, and is transmitted from the other communicating groove after being looped, during operation, in the long-term use process, the sealing belt 6 is necessarily damaged by friction, the sealing belt 6 leaked outside is pulled outwards after being matched with the communicating grooves, the new sealing belt 6 is enabled to replace the original sealing belt 6 after being used for a period of time, through the arrangement, the service life of the valve is further prolonged, and extremely high sealing degree can be ensured without disassembling and replacing the valve.
As shown in fig. 1 to 2, the winding box 5 is fixedly installed on the outer side of the valve body 1, the handle 7 is arranged on the top end of the winding box 5, the winding roller is fixedly installed on the bottom end of the handle 7, one end of the sealing belt 6 is wound and fixed on the winding roller, the novel sealing belt 6 is wound in multiple layers through the winding roller in the winding box 5 in operation, the novel sealing belt 6 is released through the handle 7 on one side during replacement, and the old sealing belt 6 is pulled on the other side, so that the replacement of the novel sealing belt and the old sealing belt is realized.
As shown in fig. 4, the sealing gasket 15 is made of three layers of materials, including the elastic sheet layer that is located the center, the outside parcel of elastic sheet layer has the expansion layer, the expansion layer is porous fiber material, the outside of expansion layer still wraps up has the anti-cutting layer, the anti-cutting layer can permeate water, and during operation, the multilayer setting of cooperation sealing gasket 15 has further guaranteed sealed effect, and when the valve was used, liquid in the valve can pass the anti-cutting layer, is absorbed by the expansion layer for the expansion layer is expanded, and the sealed pad 15 of swelling can effectually block up the internal and external environment of valve, only when pulling with force, extrudes the liquid of packing and just can normally slide.
As shown in fig. 3 to 4, the bottom end of the top disk 9 is arranged in an outward convex shape, one side of the sealing pad 15, which is close to the top disk 9, 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 disk 9 is made of magnetite material, and when in operation, the offset sheet 18 is matched with the arrangement of the offset sheet 18, because water flows from top to bottom, under the flushing of the water flows, the offset sheet 18 can be opened and attached to the convex surface of the top disk 9, and meanwhile, the magnetic metal sheet 19 and the top disk 9 can be mutually adsorbed, so that the sealing performance of the valve is further improved through the arrangement.
As shown in fig. 4 to 5, the connection between the offset piece 18 and the sealing pad 15 is smooth and excessive, and the connection between the offset piece 18 and the sealing pad 15 is fixedly connected with an arc-shaped anti-cracking piece 20, the anti-cracking piece 20 is made of a flexible metal material, and when in operation, the anti-cracking piece 20 is matched with the arrangement of the anti-cracking piece 20, so that the problem that the offset piece 18 and the sealing pad 15 are torn due to the overlarge shearing force caused by scouring is reduced due to the shearing force between the offset piece 18 and the sealing pad 15.
Example two
As shown in fig. 6, in comparative example one, 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 rotates with the outside of valve body 1 to be connected, auxiliary rod 21 is the arc setting, draw-in hole 22 has been seted up at the middle part of auxiliary rod 21, the inboard sliding connection of draw-in hole 22 has the fixture block, during operation, because sealing band 6 is inseparable with valve body 1 connection, cooperates auxiliary rod 21's setting, inserts the sealing band 6 of leaking in the draw-in hole 22, uses the fixture block to fix sealing band 6, later rotates auxiliary rod 21, through lever amplification strength to can be lighter pull out sealing band 6.
When the valve works, most of the existing valves are connected through physical sealing of the top disc and the retaining ring, the blocking effect is realized, when the top disc 9 is closed, water flow continuously flushes the top disc 9, the edge of the top disc 9 is quickly worn, sealing is not tight, a pipeline is required 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 is sunk in place under the operation of the turntable 4, the air pressure assembly is started to expand the sealing belt 6 inwards, so that the outer side of the top disc 9 is sealed, water flow is blocked through the flexible sealing belt 6 and the top disc 9, when the water flow is communicated normally, the top disc 9 is rotated and lifted, the water flow is gradually amplified, and by the arrangement, the service life of the valve is greatly prolonged due to the fact that the friction between the top disc 9 and the retaining ring 11 is not generated in the operation process of the valve, and even after the sealing belt 6 is worn, the air pressure of the assembly is changed, the expansion degree is always increased, the sealing performance of the valve is kept, and the valve is applicable to dangerous materials in transportation; air is pressed into the filling groove 13 through the pressure pump 3, the elastic sealing gasket 15 is outwards propped up, the sealing gasket 15 is attached to the outer side of the top disc 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 at the moment, the top disc 9 can normally ascend, so that the air-filled sealing effect is realized; with the downward pressing of the top disk 9, the pressing rod 16 is pressed down when the top disk 9 falls to the middle part of the retaining ring 11, at the moment, the triggering module 17 controls the pressure pump 3 to fill the filling groove 13 with air pressure, when the valve needs to be opened, the air pressure is recovered from the outside through controlling the pressure pump 3 and is grabbed to the rotary disk 4 to enable the top disk 9 to rise, by the arrangement, the effect of automatic positioning, expansion and sealing of the sealing gasket 15 is achieved, meanwhile, the false triggering prevention effect is achieved, the air pressure constraint of the pressure pump 3 is not relieved, the rotary disk 4 cannot rotate, and the safety of the valve for controlling dangerous liquid can be improved; the sealing gasket 15 can be effectively bound by using two wiredrawing ropes 12 in cooperation with the arrangement that the wiredrawing ropes 12 are wider than the sealing gasket 15, so that the sealing gasket 15 can be stably expanded and zoomed in the inflation process; in the long-term use process, the sealing belt 6 is necessarily damaged by friction, the sealing belt 6 leaked outside is pulled outwards after being matched with the arrangement of the communication groove for a period of time, the novel sealing belt 6 replaces the original sealing belt 6, the service life of the valve is further prolonged through the arrangement, and extremely high tightness can be ensured without disassembling and replacing the valve; the new sealing strip 6 is wound in a plurality of layers through the winding roller in the winding box 5, the new sealing strip 6 is released through the handle 7 on one side during replacement, and the old sealing strip 6 is pulled on the other side, so that new and old replacement is realized; the sealing effect is further ensured by matching with the multi-layer arrangement of the sealing gasket 15, and when the valve is used, liquid in the valve passes 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 filled liquid can normally slide only when the valve is pulled by force; by matching with the arrangement of the offset sheet 18, as the water flow flows from top to bottom, the offset sheet 18 can be opened and attached to the convex surface of the top disk 9 under the flushing of the water flow, and meanwhile, the magnetic metal sheet 19 and the top disk 9 can be mutually adsorbed, so that the sealing performance of the valve is further improved through the arrangement; the anti-cracking sheet 20 is used for bearing the shearing force between the offset sheet 18 and the sealing gasket 15 and reducing the problem that the offset sheet 18 and the sealing gasket 15 are torn due to overlarge shearing force under scouring by matching with the arrangement of the anti-cracking sheet 20.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An inflatable sealing semi-circular top valve, which is characterized in that: the novel valve comprises a valve body (1), flange plates (2) are fixedly arranged at two ends of the valve body (1), a circulation groove (10) penetrating through two ends is formed in the inner side of the valve body (1), a retaining ring (11) is fixedly arranged in the inner side of the circulation groove (10), a fixed sleeve (8) is fixedly arranged at the inner side of the valve body (1) close to the top end, a threaded rod is connected with the inner side of the fixed sleeve (8) in a threaded manner, a rotary table (4) is fixedly arranged at the top end of the threaded rod, a top plate (9) is rotatably connected with the bottom end of the threaded rod, the top plate (9) is located above the retaining ring (11), a sealing belt (6) is arranged on the inner side of the retaining ring (11), and an air pressure component is arranged on the outer side of the retaining ring (11) and used for enabling the sealing belt (6) to expand outwards;
the middle part of the inner side of the retaining ring (11) is provided with a filling groove (13), the upper and lower inner walls of the filling groove (13) are provided with sliding grooves (14), the sealing belt (6) comprises an elastic sealing gasket (15), the upper and lower ends of the sealing gasket (15) are fixedly provided with wiredrawing ropes (12), the wiredrawing ropes (12) are positioned on the inner side of the sliding groove (14), the air pressure assembly comprises a pressure pump (3), and the output end of the pressure pump (3) is communicated with the inner side of the filling groove (13);
the retaining ring (11) is horizontally arranged, a trigger module (17) is fixedly arranged 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 trigger module (17), and the trigger module (17) is interacted with the pressure pump (3);
the sealing gaskets (15) are arranged in a flat shape, the sections of the sliding grooves (14) are arranged in a round shape, the width between the sections of the sliding grooves (14) is larger than the width of the sealing gaskets (15), and the sections of the wiredrawing ropes (12) are arranged in a round shape;
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 belt (6) is in sliding connection with the filling groove (13) and the sliding groove (14), the sealing belt (6) enters the filling groove (13) through the communicating grooves, and the sealing belt is transmitted from the other communicating groove after encircling.
2. A gas-tight semi-circular top valve according to claim 1, wherein: the winding box is characterized in that a winding box (5) is fixedly arranged 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 arranged at the bottom end of the handle (7), and one end of the sealing belt (6) is wound and fixed on the winding roller.
3. A gas-tight semi-circular top valve according to claim 2, characterized in that: the sealing gasket (15) is made of three layers of materials, and comprises an elastic sheet layer positioned in the center, wherein the outer side of the elastic sheet layer is wrapped with an expansion layer, the expansion layer is made of porous fiber materials, the outer side of the expansion layer is wrapped with a cutting-preventing layer, and the cutting-preventing layer can be permeable.
4. A gas-tight semi-circular top valve according to claim 3, characterized in that: the bottom of roof dish (9) is evagination form setting, one side that sealed pad (15) are close to roof dish (9) is connected with offset piece (18), the outside fixed mounting of offset piece (18) has magnetic metal sheet (19), roof dish (9) are magnetite material.
5. The inflatable sealed semi-circular top valve according to claim 4, wherein: the joint of the offset sheet (18) and the sealing gasket (15) is smooth and excessive, and the joint of the offset sheet (18) and the sealing gasket (15) is fixedly connected with an arc-shaped anti-cracking sheet (20), and the anti-cracking sheet (20) is made of a flexible metal material.
6. The inflatable sealed semi-circular top valve according to claim 5, wherein: the valve is characterized in that an auxiliary rod (21) is arranged on the outer side of the valve body (1), one end of the auxiliary rod (21) is connected with the outer side of the valve body (1) in a rotating mode, the auxiliary rod (21) is arranged in an arc shape, a clamping hole (22) is formed in the middle of the auxiliary rod (21), and a clamping block is connected to the inner side of the clamping hole (22) in a sliding mode.
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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 true CN115962287B (en) | 2023-10-27 |
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