CN114321406A - High-performance anti-leakage pneumatic full-lining butterfly valve - Google Patents
High-performance anti-leakage pneumatic full-lining butterfly valve Download PDFInfo
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- CN114321406A CN114321406A CN202210021739.5A CN202210021739A CN114321406A CN 114321406 A CN114321406 A CN 114321406A CN 202210021739 A CN202210021739 A CN 202210021739A CN 114321406 A CN114321406 A CN 114321406A
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Abstract
The invention discloses a high-performance anti-leakage pneumatic full-lining butterfly valve, which comprises a pneumatic driving mechanism, a butterfly valve body and a flow meter body, wherein a flow pipe is arranged at the bottom of the pneumatic driving mechanism, the butterfly valve body is arranged at the bottom of the flow pipe, and one side of the butterfly valve body is connected with the flow meter body; the output end of the pneumatic driving mechanism is provided with a driving valve rod, and the surface of the driving valve rod is provided with a disc-shaped butterfly plate. According to the invention, through the arrangement of the rubber sealing strip, the limiting slot and the limiting clamping plate, when a worker needs to improve the anti-leakage effect of the device, the output end of the pneumatic driving mechanism can drive the disc-shaped butterfly plate to rotate, so that the function of opening and closing is achieved, the arrangement of the rubber sealing strip can achieve a better sealing effect according to the self characteristics, in addition, the matching work of the limiting slot and the limiting clamping plate adopts a splicing mode, the limiting clamping plate is inserted into the limiting slot when the device is closed, and the anti-leakage effect of the device can be further improved.
Description
Technical Field
The invention relates to the technical field of pneumatic full-lining butterfly valves, in particular to a high-performance anti-leakage pneumatic full-lining butterfly valve.
Background
The pneumatic butterfly valve is formed by combining a pneumatic driving mechanism and a butterfly valve, and due to the characteristics of the butterfly valve, such as light weight, simple structure, easy operation and the like, the pneumatic butterfly valve is often installed and applied on a large-caliber low-pressure pipeline, and can be divided into a single-acting pneumatic butterfly valve and a double-acting pneumatic butterfly valve, but the existing pneumatic full-lining butterfly valve still has certain defects in practical use.
The existing pneumatic full-lining butterfly valve has the defects that:
1. patent document CN213117687U discloses a soft sealed pneumatic butterfly valve, "including the valve body, the valve body left and right sides fixed mounting has the connector, the inside fixed mounting of connector has the slot, the inside cartridge of slot has the sealing washer, the inside fixed mounting in slot outer end has the draw-in groove, sealing washer outer end outer wall runs through the draw-in groove and pegs graft and have the rand, the slot outside connector inner wall fixed mounting has the screw socket, the inside switching of screw socket has the screwed pipe, screwed pipe internally mounted has the connecting pipe, valve body upper end outer wall fixed mounting has the siphunculus, siphunculus upper end fixed mounting has the valve head, valve head front end lateral wall fixed mounting has the display screen. The practicability of the butterfly valve is improved by arranging the rotating structure and the embedded fixing structure, but the device has poor leakage-proof effect and is easy to leak when being closed, so that the butterfly valve has no good usability;
2. patent document CN215172304U discloses an improved pneumatic butterfly valve, "comprising a pneumatic actuator and a valve body, wherein a valve rod is arranged in the valve body, the valve rod penetrates through the valve body and penetrates out from the lower side of a support arranged at the lower side of the valve body, and the tail end of the valve rod is connected with a coupling arranged in the pneumatic actuator; a convex edge is formed on the lower side of the support, and a connecting piece is arranged between the convex edge and the pneumatic actuator. The utility model discloses be provided with the connecting piece between the valve body of pneumatic butterfly valve and pneumatic actuator, make the valve rod of valve body and pneumatic actuator junction form non-sealing connection, can eliminate the negative pressure that forms in the moment that the valve is closed, various area such as muddy water pressed water can not get into the valve body, and then can not lead to the fact destruction to gas circuit and other equipment, prolonged the life of equipment greatly, but above-mentioned device does not have better flow record structure, makes the staff difficult to carry out the record to the circulation at every turn, and then influences the usability;
3. patent document CN215371002U discloses a pneumatic butterfly valve, "including butterfly valve body, pneumatic means and connecting device, connecting device locates the top of butterfly valve body, connecting device's top is equipped with the fixing base, pneumatic means locates the top of fixing base, be equipped with the valve rod in the middle of the inside of butterfly valve body, the top of valve rod is connected in connecting device, the outside of valve rod is equipped with the valve plate, the inboard of butterfly valve body is inlayed and is had the sealing washer, the external fixation of butterfly valve body is equipped with the protecting tube, the protecting tube comprises heated board and carbon steel board, the rear end of butterfly valve body is equipped with the purge tube, the internally mounted of purge tube has the metal filter plate, inlay in the middle of the inside of metal filter plate and have the active carbon filter plate. The pneumatic butterfly valve is efficient and long-time heat preservation use, avoids the problem of use influenced by low-temperature weather, is convenient to disassemble and assemble quickly, and efficiently filters and purifies water quality, but the device does not have a good multi-layer filtering structure, and scale is easily attached to the inner wall of the device after long-time use, so that the water quality is reduced;
4. patent document CN213117686U discloses a switch type pneumatic butterfly valve, "including the valve body, pneumatic actuator is installed on the top of valve body, and pneumatic actuator's inside is provided with the inner shell, and the welding has the inside lining frame between pneumatic actuator's inner wall and the inner shell, the both ends welding of valve body has the ring flange, and the inside embedding of ring flange has the rubber siphunculus, the outside arch of rubber siphunculus has the rubber circle, and the rubber circle block in the dish mouth inner wall of ring flange, the pipe body inner wall arch of rubber siphunculus has corrugated bead, and the embedding rubber siphunculus in valve body both sides ring flange department, and the firm gomphosis of dish mouth of rubber circle and ring flange, when rivers flowed into the valve body from rubber siphunculus department, the inside bellied corrugated bead of rubber siphunculus forms the slow flow layer, weakens the rivers that get into in the valve body, prevents to dash into too strong rivers in the valve body", however, the device does not have a good abrasion reducing structure, and is easy to damage after long-term use, so that the service life of the device is influenced.
Disclosure of Invention
The invention aims to provide a high-performance anti-leakage pneumatic full-lining butterfly valve to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-performance anti-leakage pneumatic full-lining butterfly valve comprises a pneumatic driving mechanism, a butterfly valve body and a flow meter body, wherein a flow pipe is installed at the bottom of the pneumatic driving mechanism, the butterfly valve body is installed at the bottom of the flow pipe, and one side of the butterfly valve body is connected with the flow meter body;
the output end of the pneumatic driving mechanism is provided with a driving valve rod, the driving valve rod is positioned in the flow pipe, and the surface of the driving valve rod is provided with a disc-shaped butterfly plate;
limiting clamping plates are mounted on one side of the surface and the other side of the back face of the disc-shaped butterfly plate, and rubber sealing strips are wound on the surface of the disc-shaped butterfly plate.
Preferably, the butterfly valve body internally mounted has the fixed plate, spacing slot has all been seted up to one side on fixed plate surface and the opposite side at back, and the position and the size of spacing slot and spacing cardboard homogeneous phase adaptation.
Preferably, the fixed disks are installed at the two ends of the butterfly valve body, and one side of each fixed disk is in threaded connection with a connecting disk.
Preferably, the connecting pipe is installed to one side of connection pad, the mid-mounting at connecting pipe surface top has the connection pipe, and the top of connection pipe is installed in the bottom on flowmeter body surface, and the inside of flowmeter body is provided with the display screen subassembly, the flowmeter body adopts electric connection with the display screen subassembly.
Preferably, a group of limiting plates are inserted into the butterfly valve body, filter screens and adsorption plates are respectively arranged in the limiting plates, and the filter screens are located in front of the adsorption plates.
Preferably, the sliding seat is all installed to the both sides at limiting plate surface middle part, the internal connection of sliding seat has the handle, and the crossing department of handle and sliding seat is connected with the pivot, threaded hole is all seted up to the top and the bottom at limiting plate surface middle part, the equal threaded connection in inside of screw hole has the screw thread post, the location bolt is installed on the top of screw thread post.
Preferably, the middle part of this internal diapire of butterfly valve has seted up the spacing groove, the both sides of spacing inslot wall all are connected with rigidity damping spring, rigidity damping spring's top is connected with the bearing frame, and drives the bottom of valve rod and connect in the inside of bearing frame.
Preferably, the top of the circulating pipe is provided with a receiving disc, and the receiving disc is in threaded connection with the middle of the bottom of the pneumatic driving mechanism.
Preferably, the working steps of the pneumatic full-lining butterfly valve are as follows:
s1, when a worker needs to improve the leakage-proof effect of the device, because the bottom of a pneumatic driving mechanism is provided with a runner pipe, the bottom of the runner pipe is provided with a butterfly valve body, the output end of the pneumatic driving mechanism is provided with a driving valve rod, the driving valve rod is positioned in the runner pipe, the surface of the driving valve rod is provided with a disc-shaped butterfly plate, the other side of one side and the other side of the back surface of the disc-shaped butterfly plate are provided with limit clamping plates, the surface of the disc-shaped butterfly plate is wound with a rubber sealing strip, the pneumatic driving mechanism, the driving valve rod and the disc-shaped butterfly plate are matched to work, the output end of the pneumatic driving mechanism can drive the disc-shaped butterfly plate to rotate through the driving valve rod, so that the device can perform the opening and closing functions, the rubber sealing strip is arranged, when the structure is internally closed, the disc-shaped butterfly plate can be tightly attached to the inner wall of the butterfly valve body through the rubber sealing strip, and the rubber sealing strip can perform the better sealing function according to the self characteristics, in addition, the fixing plate is arranged in the butterfly valve body, the limiting slots are formed in one side of the surface of the fixing plate and the other side of the back of the surface of the fixing plate, the positions and the sizes of the limiting slots are matched with those of the limiting clamping plates, the fixing plate can play a good fixing role, the limiting slots and the limiting clamping plates are matched, the inserting mode is adopted, the limiting clamping plates are inserted into the limiting slots when the butterfly valve is closed, the leakage-proof effect of the butterfly valve can be further improved, and the phenomenon of resource waste is further avoided;
s2, when the flow of the device needs to be counted by workers, because the two ends of the butterfly valve body are both provided with the fixed disks, one side of each fixed disk is in threaded connection with the connecting disk, one side of each connecting disk is provided with the connecting pipe, the middle part of the top of the surface of each connecting pipe is provided with the connecting pipe, the top end of the connecting pipe is arranged at the bottom of the surface of the flowmeter body, a display screen assembly is arranged in the flowmeter body, the fixed disc and the connecting disc can play a better role in connection and fixation by matching, a fixing mode of threaded connection is adopted, can be conveniently and rapidly disassembled and assembled by workers, the arrangement of the flowmeter body can record the water flow in real time, thereby facilitating the staff to quickly know the water quantity circulated each time and the arrangement of the display screen component, the water flow at each time can be more visually displayed in the display screen assembly, so that the working efficiency of workers is improved;
s3, when a worker needs to filter and remove impurities from a water source circulating in the device, a group of limiting plates are inserted into the butterfly valve body, a filter screen plate and an adsorption plate are respectively arranged inside the limiting plates, the filter screen plate is positioned in front of the adsorption plate, movable seats are respectively arranged on two sides of the middle part of the surface of the limiting plate, handles are connected inside the movable seats, rotating shafts are connected at the intersection parts of the handles and the movable seats, threaded holes are respectively formed in the top and the bottom of the middle part of the surface of the limiting plate, threaded columns are connected inside the threaded holes in a threaded manner, positioning bolts are arranged at the top ends of the threaded columns, the limiting plates are arranged to play a good limiting and supporting role for the filter screen plate and the adsorption plate, the filter screen plate and the adsorption plate work in a matching manner, the filter screen plate can filter impurities in the water source, and the adsorption plate can adsorb impurities in the water source, so that the water source flowing into the butterfly valve body can keep a good cleanliness, the limiting plate is placed at a proper position and then is screwed inwards by the positioning bolt, and the threaded column is meshed with the threaded hole, so that the limiting plate can be fixed and has good stability;
s4, when workers need to reduce the abrasion of the device, because the middle part of the inner bottom wall of the butterfly valve body is provided with a limiting groove, two sides of the inner wall of the limiting groove are both connected with rigid damping springs, the top ends of the rigid damping springs are connected with bearing seats, the bottom ends of driving valve rods are connected with the inner parts of the bearing seats, and the limiting groove is arranged, can provide a better placing structure for the structure, the arrangement of the bearing seat can reduce the friction force when driving the valve rod to steer, thereby reducing the abrasion degree when driving the valve rod to rotate, when the water source impacts the surface of the disc-shaped butterfly plate, the disc-shaped butterfly plate can drive the bearing seat to move by driving the valve rod and extrude the rigid damping spring, the rigid damping spring can provide better damping action for the rigid damping spring according to the elasticity of the rigid damping spring, thereby further reducing the abrasion degree of the disc-shaped butterfly plate and ensuring that the device has better protection.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the rubber sealing strip, the limiting slot and the limiting clamping plate, when the worker needs to improve the leakage-proof effect of the device, the pneumatic driving mechanism, the driving valve rod and the disc-shaped butterfly plate are matched to work, the output end of the pneumatic driving mechanism can drive the disc-shaped butterfly plate to rotate through the driving valve rod, thereby acting as a switch or a closure, the provision of a rubber sealing strip, when the interior of the structure is closed, the disc-shaped butterfly plate can be tightly attached to the inner wall of the butterfly valve body through the rubber sealing strip, the rubber sealing strip can play a better sealing role according to the self characteristics, in addition, the arrangement of the fixing plate, can play a better fixing role, the matching work of the limiting slot and the limiting clamping plate adopts a splicing mode, the limiting clamping plate is inserted into the limiting slot when closed, the leakage-proof effect of the device can be further improved, and the phenomenon of resource waste is further avoided.
2. According to the invention, through the arrangement of the flowmeter body, when the flow of the device needs to be counted by a worker, the matching work of the fixed disc and the connecting disc can play a better role in connection and fixation, the fixing mode of threaded connection is adopted, the rapid disassembly and assembly of the flowmeter body can be conveniently carried out by the worker, the water flow can be recorded in real time through the arrangement of the flowmeter body, so that the worker can rapidly know the water flow circulated each time, the arrangement of the display screen assembly can more intuitively display the water flow in each time in the display screen assembly, and the working efficiency of the worker is further improved.
3. According to the invention, through the arrangement of the filter screen plate and the adsorption plate, when a worker needs to filter and remove impurities from a water source circulating in the device, the limit plate can play a good limiting and supporting role for the filter screen plate and the adsorption plate, the filter screen plate and the adsorption plate are matched to work, the filter screen plate can filter impurities in the water source, and the adsorption plate can adsorb impurities in the water source, so that the water source flowing into the butterfly valve body can be ensured to keep good smoothness, the scale phenomenon caused by long-term use in the butterfly valve body is effectively prevented, the matching work of the threaded hole, the threaded column and the positioning bolt is realized, the positioning bolt is screwed inwards after the limit plate is placed at a proper position, and the threaded column is meshed with the threaded hole, so that the limit plate can be fixed, has good stability, and adopts a fixing mode of threaded connection and splicing, can be convenient for the staff carries out quick assembly disassembly with the limiting plate to be convenient for the later stage to filter screen plate and adsorption plate and dismantle and wash, and then improved the device's usability, the collocation work of sliding seat and handle is picked up the handle, can be through the handle with more convenient taking out of limiting plate, and then improved staff's work efficiency.
4. According to the invention, through the arrangement of the bearing seat and the rigid damping spring, when workers need to reduce the abrasion of the device, the arrangement of the limiting groove can provide a better placing structure for the structure, the arrangement of the bearing seat can reduce the friction force when the driving valve rod turns, so that the abrasion degree of the driving valve rod when rotating is reduced, the arrangement of the rigid damping spring, when a water source impacts the surface of the disc-shaped butterfly plate, the disc-shaped butterfly plate can drive the bearing seat to move and extrude the rigid damping spring through the driving valve rod, and the rigid damping spring can provide a better buffer effect for the disc-shaped butterfly plate according to the elasticity of the rigid damping spring, so that the abrasion degree of the disc-shaped butterfly plate is further reduced, and the device has better protection property.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a butterfly valve body according to the present invention;
FIG. 3 is a schematic structural view of a flowmeter body of the present invention;
FIG. 4 is a schematic view of a disc-shaped butterfly plate according to the present invention;
FIG. 5 is a schematic cross-sectional view of a limiting groove according to the present invention;
FIG. 6 is a schematic view of a fixing plate according to the present invention;
FIG. 7 is a schematic diagram of a limiting plate according to the present invention;
fig. 8 is a schematic diagram of a filter screen structure of the present invention.
In the figure: 1. a pneumatic drive mechanism; 2. a butterfly valve body; 3. a flowmeter body; 4. driving the valve rod; 5. a disc-shaped butterfly plate; 6. a limiting clamping plate; 7. a rubber seal strip; 8. a fixing plate; 9. limiting slots; 10. fixing the disc; 11. a connecting disc; 12. a connecting pipe; 13. connecting the pipe; 14. a display screen assembly; 15. a limiting plate; 16. a filter screen plate; 17. an adsorption plate; 18. a movable seat; 19. a handle; 20. a threaded post; 21. positioning a bolt; 22. a limiting groove; 23. a rigid damping spring; 24. a bearing seat; 25. a bearing plate; 26. a threaded hole; 27. and (4) a circulating pipe.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 is to 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 fixedly connected, detachably connected, or integrally connected; 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 specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 2, fig. 4 and fig. 6, an embodiment of the present invention: a high-performance anti-leakage pneumatic full-lining butterfly valve comprises a pneumatic driving mechanism 1, a butterfly valve body 2 and a flow meter body 3, wherein a flow pipe 27 is installed at the bottom of the pneumatic driving mechanism 1, the butterfly valve body 2 is installed at the bottom of the flow pipe 27, and one side of the butterfly valve body 2 is connected with the flow meter body 3; the output end of the pneumatic driving mechanism 1 is provided with a driving valve rod 4, the driving valve rod 4 is positioned in the flow pipe 27, and the surface of the driving valve rod 4 is provided with a disc-shaped butterfly plate 5; limiting clamping plates 6 are arranged on one side of the surface and the other side of the back of the disc-shaped butterfly plate 5, a rubber sealing strip 7 is wound on the surface of the disc-shaped butterfly plate 5, a fixing plate 8 is arranged inside the butterfly valve body 2, limiting slots 9 are formed in one side of the surface and the other side of the back of the fixing plate 8, and the positions and the sizes of the limiting slots 9 are matched with those of the limiting clamping plates 6;
through the arrangement of the rubber sealing strip 7, the limiting slot 9 and the limiting clamping plate 6, when a worker needs to improve the anti-leakage effect of the device, the pneumatic driving mechanism 1, the driving valve rod 4 and the disc-shaped butterfly plate 5 are matched to work, the output end of the pneumatic driving mechanism 1 can drive the disc-shaped butterfly plate 5 to rotate through the driving valve rod 4, so that the switch or closing effect is achieved, the rubber sealing strip 7 is arranged, when the structure is closed, the disc-shaped butterfly plate 5 can be attached to the inner wall of the butterfly valve body 2 through the rubber sealing strip 7, the rubber sealing strip 7 can play a good sealing effect according to the self characteristics, in addition, the arrangement of the fixing plate 8 can play a good fixing effect, the limiting slot 9 and the limiting clamping plate 6 are matched to work in an inserting mode, the limiting clamping plate 6 is inserted into the limiting slot 9 when the structure is closed, and the anti-leakage effect of the device can be further improved, thereby avoiding the phenomenon of resource waste.
Example two:
referring to fig. 1 and 3, an embodiment of the present invention: a high-performance anti-leakage pneumatic full-lining butterfly valve comprises a flow meter body 3, wherein fixed disks 10 are mounted at two ends of a butterfly valve body 2, a connecting disk 11 is in threaded connection with one side of each fixed disk 10, a connecting pipe 12 is mounted at one side of each connecting disk 11, a connecting pipe 13 is mounted in the middle of the top of the surface of each connecting pipe 12, the top end of each connecting pipe 13 is mounted at the bottom of the surface of the flow meter body 3, a display screen assembly 14 is arranged inside the flow meter body 3, and the flow meter body 3 is electrically connected with the display screen assembly 14;
through the setting of flowmeter body 3, need count the time to the device's flow when the staff, the collocation work of fixed disk 10 and connection pad 11, all can play better connection fixed action, adopt threaded connection's fixed mode, the staff of can being convenient for carries out quick assembly disassembly to it, flowmeter body 3's setting, can carry out real-time recording to discharge, thereby the staff of being convenient for carries out quick understanding to the water yield of circulation at every turn, display screen subassembly 14's setting, can be more audio-visual with discharge display at every turn in display screen subassembly 14, and then staff's work efficiency has been improved.
Example three:
referring to fig. 7 and 8, an embodiment of the present invention: a high-performance anti-leakage pneumatic full-lining butterfly valve comprises a filter screen plate 16 and an adsorption plate 17, a group of limiting plates 15 are inserted into a butterfly valve body 2, the filter screen plate 16 and the adsorption plate 17 are respectively arranged inside the limiting plates 15, the filter screen plate 16 is positioned in front of the adsorption plate 17, movable seats 18 are respectively arranged on two sides of the middle part of the surface of each limiting plate 15, a handle 19 is connected inside each movable seat 18, a rotating shaft is connected to the intersection of the handle 19 and the corresponding movable seat 18, threaded holes 26 are respectively formed in the top and the bottom of the middle part of the surface of each limiting plate 15, threaded columns 20 are respectively in threaded connection inside the threaded holes 26, and positioning bolts 21 are arranged at the top ends of the threaded columns 20;
through the arrangement of the filter screen plate 16 and the adsorption plate 17, when a worker needs to filter and remove impurities from a water source circulating in the device, the limit plate 15 is arranged to play a good limiting and supporting role for the filter screen plate 16 and the adsorption plate 17, the filter screen plate 16 and the adsorption plate 17 are matched to work, the filter screen plate 16 can filter impurities in the water source, and the adsorption plate 17 can adsorb impurities in the water source, so that the water source flowing into the butterfly valve body 2 can keep good cleanliness, scale is effectively prevented from being generated in the butterfly valve body 2 due to long-term use, the threaded hole 26, the threaded column 20 and the positioning bolt 21 are matched to work, after the limit plate 15 is placed at a proper position, the positioning bolt 21 is screwed inwards, the threaded column 20 is meshed with the threaded hole 26, the limit plate 15 can be fixed, and has good stability, adopt threaded connection and the fixed mode of pegging graft, the staff of can being convenient for carries out quick assembly disassembly with limiting plate 15 to be convenient for the later stage to filter screen plate 16 and adsorption plate 17 and dismantle and wash, and then improved the device's usability, the collocation work of sliding seat 18 and handle 19 is chosen handle 19, can be through handle 19 with the more convenient taking out of limiting plate 15, and then improved staff's work efficiency.
Example four:
referring to fig. 5, an embodiment of the present invention: a high-performance anti-leakage pneumatic full-lining butterfly valve comprises a bearing seat 24 and a rigid damping spring 23, wherein a limit groove 22 is formed in the middle of the inner bottom wall of a butterfly valve body 2, the two sides of the inner wall of the limit groove 22 are connected with the rigid damping spring 23, the top end of the rigid damping spring 23 is connected with the bearing seat 24, the bottom end of a driving valve rod 4 is connected to the inside of the bearing seat 24, a bearing disc 25 is installed at the top of a circulating pipe 27, and the bearing disc 25 is in threaded connection with the middle of the bottom of a pneumatic driving mechanism 1;
through bearing frame 24 and rigidity damping spring 23's setting, when the staff need reduce the device's wearing and tearing, spacing groove 22's setting, can provide better placing structure for this structure, bearing frame 24's setting, frictional force when reducible drive valve rod 4 turns to, thereby the degree of wear when drive valve rod 4 rotates has been reduced, rigidity damping spring 23's setting, when the water source strikes disc butterfly plate 5 surface, disc butterfly plate 5 accessible drive valve rod 4 drives bearing frame 24 and removes and extrudees rigidity damping spring 23, rigidity damping spring 23 can be according to self elasticity for it provides better cushioning effect, thereby further reduction disc butterfly plate 5's degree of wear, and make the device have better protectiveness.
The working principle is as follows:
when the leak-proof effect of the device needs to be improved by a worker, because the bottom of the pneumatic driving mechanism 1 is provided with the circulating pipe 27, the bottom of the circulating pipe 27 is provided with the butterfly valve body 2, the output end of the pneumatic driving mechanism 1 is provided with the driving valve rod 4, the driving valve rod 4 is positioned in the circulating pipe 27, the surface of the driving valve rod 4 is provided with the disc-shaped butterfly plate 5, one side of the surface and the other side of the back of the disc-shaped butterfly plate 5 are provided with the limiting clamping plates 6, the surface of the disc-shaped butterfly plate 5 is wound with the rubber sealing strip 7, the pneumatic driving mechanism 1, the driving valve rod 4 and the disc-shaped butterfly plate 5 are matched for work, the output end of the pneumatic driving mechanism 1 can drive the disc-shaped butterfly plate 5 to rotate through the driving valve rod 4, so as to play a role in opening and closing, the rubber sealing strip 7 is arranged, when the structure is closed, the disc-shaped butterfly valve plate 5 can be tightly attached to the inner wall of the butterfly valve body 2 through the rubber sealing strip 7, the rubber sealing strip 7 can play a good sealing role according to the characteristics of the rubber sealing strip, in addition, due to the fact that the fixing plate 8 is installed inside the butterfly valve body 2, the limiting slots 9 are formed in one side of the surface and the other side of the back of the fixing plate 8, the positions and the sizes of the limiting slots 9 are matched with those of the limiting clamping plates 6, the fixing plate 8 can play a good fixing role, the limiting slots 9 and the limiting clamping plates 6 are matched, the inserting mode is adopted, the limiting clamping plates 6 are inserted into the limiting slots 9 when the butterfly valve is closed, the leakage-proof effect of the butterfly valve can be further improved, and the phenomenon of resource waste is further avoided; when a worker needs to count the flow of the device, because the two ends of the butterfly valve body 2 are respectively provided with the fixed disc 10, one side of the fixed disc 10 is in threaded connection with the connecting disc 11, one side of the connecting disc 11 is provided with the connecting pipe 12, the middle part of the top part of the surface of the connecting pipe 12 is provided with the connecting pipe 13, the top end of the connecting pipe 13 is arranged at the bottom of the surface of the flowmeter body 3, the flowmeter body 3 is internally provided with the display screen assembly 14, the matching work of the fixed disc 10 and the connecting disc 11 can play a good role in connection and fixation, the fixing mode of threaded connection is adopted, the rapid disassembly and assembly of the flowmeter body can be conveniently carried out by the worker, the setting of the flowmeter body 3 can record the water flow in real time, so that the worker can rapidly know the water flow circulating each time, the setting of the display screen assembly 14 can more intuitively display the water flow at each time in the display screen assembly 14, thereby improving the working efficiency of workers; when a worker needs to filter and remove impurities from a water source circulating in the device, because the butterfly valve body 2 is internally inserted with a group of limiting plates 15, the limiting plates 15 are internally provided with a filter screen plate 16 and an adsorption plate 17 respectively, the filter screen plate 16 is positioned in front of the adsorption plate 17, movable seats 18 are arranged on two sides of the middle part of the surface of the limiting plate 15, a handle 19 is connected inside the movable seat 18, a rotating shaft is connected at the intersection of the handle 19 and the movable seat 18, threaded holes 26 are formed in the top and the bottom of the middle part of the surface of the limiting plate 15, threaded columns 20 are connected inside the threaded holes 26 in a threaded manner, positioning bolts 21 are arranged at the top ends of the threaded columns 20, the limiting plate 15 can play a good limiting and supporting role for the filter screen plate 16 and the adsorption plate 17, the filter screen plate 16 and the adsorption plate 17 are matched, and the filter screen plate 16 can filter impurities in the water source, the adsorption plate 17 can adsorb impurities in a water source, so that the water source flowing into the butterfly valve body 2 can be kept in a better clean degree, the phenomenon of scale formation caused by long-term use in the butterfly valve body 2 is effectively prevented, the matching work of the threaded hole 26, the threaded column 20 and the positioning bolt 21 is ensured, the positioning bolt 21 is screwed inwards after the limiting plate 15 is placed at a proper position, the threaded column 20 is meshed with the threaded hole 26, the limiting plate 15 can be fixed, the limiting plate has better stability, the limiting plate 15 can be conveniently and quickly disassembled and assembled by workers by adopting a threaded connection and insertion fixing mode, the filter screen plate 16 and the adsorption plate 17 can be conveniently disassembled and washed in the later period, the usability of the device is further improved, the matching work of the movable seat 18 and the handle 19 is realized, the handle 19 is picked up, the limiting plate 15 can be more conveniently taken out through the handle 19, thereby improving the working efficiency of workers; when workers need to reduce the abrasion of the device, because the middle part of the inner bottom wall of the butterfly valve body 2 is provided with the limiting groove 22, two sides of the inner wall of the limiting groove 22 are both connected with the rigid damping springs 23, the top end of the rigid damping spring 23 is connected with the bearing seat 24, the bottom end of the driving valve rod 4 is connected with the inside of the bearing seat 24, the limiting groove 22 can provide a better placing structure for the structure, the bearing seat 24 can reduce the friction force when the driving valve rod 4 turns, thereby reducing the abrasion degree when the driving valve rod 4 rotates, the rigid damping spring 23 is arranged, when a water source impacts the surface of the disc-shaped butterfly plate 5, the disc-shaped butterfly plate 5 can drive the bearing seat 24 to move and extrude the rigid damping spring 23 through the driving valve rod 4, the rigid damping spring 23 can provide better buffer action for the disc-shaped butterfly plate according to the elasticity of the disc-shaped butterfly plate 5, thereby further reducing the abrasion degree of the disc-shaped butterfly plate 5, and the device has better protection.
It will be evident to those skilled in the art that the invention 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 invention 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 (9)
1. The utility model provides a pneumatic full lining butterfly valve of high performance leak protection outward, includes pneumatic actuating mechanism (1), butterfly valve body (2) and flowmeter body (3), its characterized in that: a circulation pipe (27) is installed at the bottom of the pneumatic driving mechanism (1), a butterfly valve body (2) is installed at the bottom of the circulation pipe (27), and a flowmeter body (3) is connected to one side of the butterfly valve body (2);
the output end of the pneumatic driving mechanism (1) is provided with a driving valve rod (4), the driving valve rod (4) is positioned in the flow pipe (27), and the surface of the driving valve rod (4) is provided with a disc-shaped butterfly plate (5);
limiting clamping plates (6) are mounted on one side of the surface and the other side of the back of the disc-shaped butterfly plate (5), and rubber sealing strips (7) are wound on the surface of the disc-shaped butterfly plate (5).
2. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 1, wherein: the butterfly valve is characterized in that a fixing plate (8) is arranged inside the butterfly valve body (2), limiting slots (9) are formed in one side of the surface of the fixing plate (8) and the other side of the back of the fixing plate (8), and the positions and the sizes of the limiting slots (9) are matched with those of the limiting clamping plate (6) in a homogeneous phase mode.
3. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 1, wherein: fixed disk (10) are all installed at the both ends of butterfly valve body (2), one side threaded connection of fixed disk (10) has connection pad (11).
4. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 3, wherein: connecting pipe (12) are installed to one side of connection pad (11), the mid-mounting at connecting pipe (12) surface top has linking pipe (13), and the top of linking pipe (13) installs in the bottom on flowmeter body (3) surface, and the inside of flowmeter body (3) is provided with display screen subassembly (14), flowmeter body (3) and display screen subassembly (14) adopt electric connection.
5. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 1, wherein: a group of limiting plates (15) are inserted into the butterfly valve body (2), a filter screen plate (16) and an adsorption plate (17) are arranged inside the limiting plates (15) respectively, and the filter screen plate (16) is located in front of the adsorption plate (17).
6. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 5, wherein: limiting plate (15) surperficial both sides in middle part all install sliding seat (18), the internal connection of sliding seat (18) has handle (19), and the crossing department of handle (19) and sliding seat (18) is connected with the pivot, threaded hole (26) have all been seted up to the top and the bottom in limiting plate (15) surperficial middle part, the equal threaded connection in inside of screw hole (26) has screw thread post (20), location bolt (21) are installed on the top of screw thread post (20).
7. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 1, wherein: spacing groove (22) have been seted up at the middle part of diapire in butterfly valve body (2), the both sides of spacing groove (22) inner wall all are connected with rigidity damping spring (23), the top of rigidity damping spring (23) is connected with bearing frame (24), and drives the bottom of valve rod (4) and connect in the inside of bearing frame (24).
8. The high-performance anti-leakage pneumatic full-lining butterfly valve according to claim 1, wherein: the top of the circulating pipe (27) is provided with a bearing disc (25), and the bearing disc (25) is in threaded connection with the middle part of the bottom of the pneumatic driving mechanism (1).
9. A high performance leak proof pneumatic full-lined butterfly valve according to any one of claims 1 to 8, wherein the working steps of the pneumatic full-lined butterfly valve are as follows:
s1, when a worker needs to improve the leakage-proof effect of the device, because the bottom of the pneumatic driving mechanism (1) is provided with the runner pipe (27), the bottom of the runner pipe (27) is provided with the butterfly valve body (2), the output end of the pneumatic driving mechanism (1) is provided with the driving valve rod (4), the driving valve rod (4) is positioned in the runner pipe (27), the surface of the driving valve rod (4) is provided with the disc-shaped butterfly plate (5), the other sides of one side and the back side of the surface of the disc-shaped butterfly plate (5) are provided with the limiting clamping plates (6), the surface of the disc-shaped butterfly plate (5) is wound with the rubber sealing strips (7), the pneumatic driving mechanism (1), the driving valve rod (4) and the disc-shaped butterfly plate (5) are matched for work, the output end of the pneumatic driving mechanism (1) can drive the disc-shaped butterfly plate (5) to rotate through the driving valve rod (4), thereby playing a role of opening and closing, the arrangement of the rubber sealing strip (7), when the structure is closed, the disc-shaped butterfly plate (5) can be tightly attached to the inner wall of the butterfly valve body (2) through the rubber sealing strip (7), the rubber sealing strip (7) can play a better sealing role according to the characteristics of the rubber sealing strip, in addition, because the fixing plate (8) is arranged in the butterfly valve body (2), one side of the surface and the other side of the back of the fixing plate (8) are both provided with the limiting slots (9), the position and the size of the limit slot (9) are matched with those of the limit clamping plate (6), the fixing plate (8) is arranged, can play a better fixing role, the matching work of the limiting slot (9) and the limiting clamping plate (6) adopts a splicing mode, the limiting clamping plate (6) is inserted into the limiting slot (9) when closed, the leakage-proof effect of the device can be further improved, and the phenomenon of resource waste is further avoided;
s2, when the flow of the device needs to be counted by a worker, the fixed disc (10) is arranged at each of two ends of the butterfly valve body (2), the connecting disc (11) is in threaded connection with one side of the fixed disc (10), the connecting pipe (12) is arranged at one side of the connecting disc (11), the connecting pipe (13) is arranged in the middle of the top of the surface of the connecting pipe (12), the top end of the connecting pipe (13) is arranged at the bottom of the surface of the flowmeter body (3), the display screen assembly (14) is arranged inside the flowmeter body (3), the fixed disc (10) and the connecting disc (11) can be matched to achieve a good connecting and fixing effect, the fixing mode of threaded connection is adopted, the flow meter can be conveniently and quickly disassembled and assembled by the worker, the flow meter body (3) can be set, the real-time recording can be carried out on the water flow, and the worker can conveniently and quickly know the water flow circulated each time, due to the arrangement of the display screen assembly (14), the water flow at each time can be more intuitively displayed in the display screen assembly (14), so that the working efficiency of workers is improved;
s3, when a worker needs to filter and remove impurities from a water source circulating in the device, a group of limiting plates (15) are inserted into the butterfly valve body (2), filter screen plates (16) and adsorption plates (17) are respectively arranged inside the limiting plates (15), the filter screen plates (16) are positioned in front of the adsorption plates (17), movable seats (18) are respectively arranged on two sides of the middle part of the surface of each limiting plate (15), handles (19) are connected inside the movable seats (18), a rotating shaft is connected at the intersection of the handles (19) and the movable seats (18), threaded holes (26) are respectively formed in the top and the bottom of the middle part of the surface of each limiting plate (15), threaded columns (20) are respectively in threaded connection inside the threaded holes (26), positioning bolts (21) are arranged at the top ends of the threaded columns (20), the limiting plates (15) can play a good limiting and supporting role for the filter screen plates (16) and the adsorption plates (17), the filter screen plate (16) and the adsorption plate (17) are matched, the filter screen plate (16) can filter impurities in a water source, the adsorption plate (17) can adsorb impurities in the water source, so that the water source flowing into the butterfly valve body (2) can be kept in a better clean degree, the phenomenon of scale deposit caused by long-term use in the butterfly valve body (2) is effectively prevented, the threaded hole (26), the threaded column (20) and the positioning bolt (21) are matched, the positioning bolt (21) is screwed inwards after the limiting plate (15) is placed at a proper position, the threaded column (20) is meshed with the threaded hole (26), the limiting plate (15) can be fixed, the limiting plate has better stability, the fixing mode of threaded connection and insertion is adopted, a worker can conveniently and quickly disassemble and assemble the limiting plate (15), and the filter screen plate (16) and the adsorption plate (17) can be conveniently disassembled and washed in the later period, the usability of the device is further improved, the movable seat (18) and the handle (19) are matched to work, the handle (19) is lifted, the limiting plate (15) can be taken out more conveniently through the handle (19), and the working efficiency of workers is further improved;
s4, when workers need to reduce the abrasion of the device, because the middle part of the inner bottom wall of the butterfly valve body (2) is provided with a limit groove (22), two sides of the inner wall of the limit groove (22) are connected with rigid damping springs (23), the top ends of the rigid damping springs (23) are connected with bearing seats (24), the bottom end of the driving valve rod (4) is connected with the inside of the bearing seats (24), the limit groove (22) is arranged, a better placing structure can be provided for the structure, the bearing seats (24) are arranged, the friction force generated when the driving valve rod (4) is driven to turn can be reduced, so that the abrasion degree when the driving valve rod (4) rotates is reduced, the rigid damping springs (23) are arranged, when a water source impacts the surface of the disc-shaped butterfly plate (5), the disc-shaped butterfly plate (5) can drive the bearing seats (24) to move and extrude the rigid damping springs (23), the rigid damping springs (23) can provide better buffer effect for the butterfly valve rod according to the elasticity of the butterfly valve rod, thereby further reducing the degree of wear of the disc-shaped butterfly plate (5) and enabling the device to have better protection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021739.5A CN114321406A (en) | 2022-01-10 | 2022-01-10 | High-performance anti-leakage pneumatic full-lining butterfly valve |
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| CN202210021739.5A CN114321406A (en) | 2022-01-10 | 2022-01-10 | High-performance anti-leakage pneumatic full-lining butterfly valve |
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| CN114321406A true CN114321406A (en) | 2022-04-12 |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130037737A1 (en) * | 2011-08-09 | 2013-02-14 | Amot Controls Corp. | Disc assembly for a valve and method of making the same |
| KR101241998B1 (en) * | 2012-10-16 | 2013-03-12 | 주식회사피앤엔피 | A butterfly valves |
| CN205260863U (en) * | 2015-12-18 | 2016-05-25 | 安徽振海重工机械有限公司 | High sealed butterfly valve that shocks resistance |
| CN206668985U (en) * | 2017-03-15 | 2017-11-24 | 天津瑞蝶恒昌阀门有限公司 | A kind of pressure-resistant valve rod and valve seat sealing mechanism |
| CN207864636U (en) * | 2017-10-26 | 2018-09-14 | 新乡市宇通实业有限公司 | A kind of hard seal butterfly valve |
| CN208793653U (en) * | 2018-10-10 | 2019-04-26 | 福建翰达流体控制设备有限公司 | Tool prevents the three-eccentric-butterfly-valve of the sagging function of butterfly plate |
| CN209041594U (en) * | 2018-09-28 | 2019-06-28 | 浙江蓝科阀门制造有限公司 | A kind of high sealing hard seal butterfly valve resistant to high temperature |
| CN210240582U (en) * | 2019-05-15 | 2020-04-03 | 江苏荣元铸业有限公司 | Butterfly valve for preventing silt |
| CN210423742U (en) * | 2019-07-12 | 2020-04-28 | 江苏海鑫液压机械有限公司 | Pneumatic butterfly valve |
| CN111396576A (en) * | 2020-04-30 | 2020-07-10 | 上海沪工阀门厂(集团)有限公司 | S-shaped spherical butterfly plate type soft sealing butterfly valve |
| CN211649086U (en) * | 2019-11-27 | 2020-10-09 | 天津埃克森阀门有限公司 | Stainless steel is to pressing from both sides hard seal butterfly valve |
| CN211820781U (en) * | 2020-04-02 | 2020-10-30 | 奥卡威远东控制阀(大连)有限公司 | Novel multi-seal butterfly valve |
| CN212273067U (en) * | 2020-05-21 | 2021-01-01 | 晋江君澳阀门有限公司 | Auxiliary sealing structure of butterfly valve |
| CN212455524U (en) * | 2020-04-13 | 2021-02-02 | 梁海峰 | Vibration-resistant valve structure |
| CN212455529U (en) * | 2020-04-29 | 2021-02-02 | 天津市津滨永兴阀门有限公司 | Novel butt-clamping butterfly valve |
| CN212657266U (en) * | 2020-07-10 | 2021-03-05 | 江苏赛世达自控阀门有限公司 | Pneumatic regulation type central line butterfly valve |
| CN213393589U (en) * | 2020-09-21 | 2021-06-08 | 湖南高茨控制***科技有限公司 | Titanium alloy high performance butterfly valve |
| CN213575585U (en) * | 2020-09-16 | 2021-06-29 | 上海特一阀门制造有限公司 | Novel butterfly valve convenient to detect flow |
| CN113790278A (en) * | 2021-09-29 | 2021-12-14 | 江苏恒双自控设备制造有限公司 | Leakage-proof self-sealing pneumatic butterfly valve |
| CN215371002U (en) * | 2021-05-08 | 2021-12-31 | 上海耐博泵阀制造有限公司 | Pneumatic butterfly valve |
-
2022
- 2022-01-10 CN CN202210021739.5A patent/CN114321406A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130037737A1 (en) * | 2011-08-09 | 2013-02-14 | Amot Controls Corp. | Disc assembly for a valve and method of making the same |
| KR101241998B1 (en) * | 2012-10-16 | 2013-03-12 | 주식회사피앤엔피 | A butterfly valves |
| CN205260863U (en) * | 2015-12-18 | 2016-05-25 | 安徽振海重工机械有限公司 | High sealed butterfly valve that shocks resistance |
| CN206668985U (en) * | 2017-03-15 | 2017-11-24 | 天津瑞蝶恒昌阀门有限公司 | A kind of pressure-resistant valve rod and valve seat sealing mechanism |
| CN207864636U (en) * | 2017-10-26 | 2018-09-14 | 新乡市宇通实业有限公司 | A kind of hard seal butterfly valve |
| CN209041594U (en) * | 2018-09-28 | 2019-06-28 | 浙江蓝科阀门制造有限公司 | A kind of high sealing hard seal butterfly valve resistant to high temperature |
| CN208793653U (en) * | 2018-10-10 | 2019-04-26 | 福建翰达流体控制设备有限公司 | Tool prevents the three-eccentric-butterfly-valve of the sagging function of butterfly plate |
| CN210240582U (en) * | 2019-05-15 | 2020-04-03 | 江苏荣元铸业有限公司 | Butterfly valve for preventing silt |
| CN210423742U (en) * | 2019-07-12 | 2020-04-28 | 江苏海鑫液压机械有限公司 | Pneumatic butterfly valve |
| CN211649086U (en) * | 2019-11-27 | 2020-10-09 | 天津埃克森阀门有限公司 | Stainless steel is to pressing from both sides hard seal butterfly valve |
| CN211820781U (en) * | 2020-04-02 | 2020-10-30 | 奥卡威远东控制阀(大连)有限公司 | Novel multi-seal butterfly valve |
| CN212455524U (en) * | 2020-04-13 | 2021-02-02 | 梁海峰 | Vibration-resistant valve structure |
| CN212455529U (en) * | 2020-04-29 | 2021-02-02 | 天津市津滨永兴阀门有限公司 | Novel butt-clamping butterfly valve |
| CN111396576A (en) * | 2020-04-30 | 2020-07-10 | 上海沪工阀门厂(集团)有限公司 | S-shaped spherical butterfly plate type soft sealing butterfly valve |
| CN212273067U (en) * | 2020-05-21 | 2021-01-01 | 晋江君澳阀门有限公司 | Auxiliary sealing structure of butterfly valve |
| CN212657266U (en) * | 2020-07-10 | 2021-03-05 | 江苏赛世达自控阀门有限公司 | Pneumatic regulation type central line butterfly valve |
| CN213575585U (en) * | 2020-09-16 | 2021-06-29 | 上海特一阀门制造有限公司 | Novel butterfly valve convenient to detect flow |
| CN213393589U (en) * | 2020-09-21 | 2021-06-08 | 湖南高茨控制***科技有限公司 | Titanium alloy high performance butterfly valve |
| CN215371002U (en) * | 2021-05-08 | 2021-12-31 | 上海耐博泵阀制造有限公司 | Pneumatic butterfly valve |
| CN113790278A (en) * | 2021-09-29 | 2021-12-14 | 江苏恒双自控设备制造有限公司 | Leakage-proof self-sealing pneumatic butterfly valve |
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Application publication date: 20220412 |