CN113586967A - Overpressure warning type plastic pipe for water delivery - Google Patents
Overpressure warning type plastic pipe for water delivery Download PDFInfo
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- CN113586967A CN113586967A CN202110962063.5A CN202110962063A CN113586967A CN 113586967 A CN113586967 A CN 113586967A CN 202110962063 A CN202110962063 A CN 202110962063A CN 113586967 A CN113586967 A CN 113586967A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 11
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- 230000009471 action Effects 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003446 memory effect Effects 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 claims description 2
- 230000001976 improved effect Effects 0.000 abstract description 14
- 230000001960 triggered effect Effects 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000013459 approach Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 17
- 230000003068 static effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an overpressure warning type plastic pipe for water delivery, which belongs to the technical field of plastic pipes, and is characterized in that a pressure sensing adjusting column and an overpressure warning ball are arranged, so that when water pressure suddenly increases and approaches the bearing limit of a plastic pipe body, a pressure piston plate can be driven to slide towards a pressure detection adjusting convex shell, the warning function of the overpressure warning ball is triggered, a reed can give out sound to warn, related workers can easily detect the phenomenon of excessive water pressure in the pipe, the safety performance is improved, the warning function is triggered, meanwhile, air in water can be discharged outwards through a pressure relief pipe, so that the water pressure can be reduced to a certain extent, more processing time can be won for the workers, and after the workers finish processing and recover the water pressure, the pressure air bag can rebound and reset the piston plate in a mode of heating the heated ball, and then make the function of warning repeatedly trigger, improved the practicality.
Description
Technical Field
The invention relates to the technical field of plastic pipes, in particular to an overpressure warning type plastic pipe for water delivery.
Background
Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc. The pipe is mainly used as a running water delivery system piping, a drainage, exhaust and pollution discharge sanitary pipe, an underground drainage pipe system, a rainwater pipe, a threading pipe for electric wire installation and assembly, and the like of a house building.
The plastic pipes are classified into thermoplastic plastic pipes and thermosetting plastic pipes. The thermoplastic material includes polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, polyformaldehyde pipe, etc.; belongs to thermosetting phenolic plastic pipes and the like. The plastic pipe for water delivery is one of common purposes, and during the use process of the plastic pipe for water delivery, the water pressure in the pipe is easily increased suddenly due to the fact that air enters the pipe and the like, and the plastic pipe is easily broken due to overlarge water pressure.
The plastic tubing among the prior art does not have the function of warning, when intraductal pressure was too big, can't in time warn to relevant staff, and relevant staff is difficult for discovering intraductal water pressure too big phenomenon, and then can't in time carry out corresponding processing, not only leads to the plastic tubing to break easily, still leads to relevant equipment impaired easily. Therefore, an overpressure warning type plastic pipe for water delivery is provided.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an overpressure warning type plastic pipe for water delivery, which is characterized in that a pressure sensing adjusting column and an overpressure warning ball are arranged, so that when water pressure is suddenly increased and is close to the bearing limit of a plastic pipe body, a pressure piston plate is driven to slide towards a pressure detection adjusting convex shell, the warning function of the overpressure warning ball is triggered, a reed gives out sound for warning, related workers can easily detect the phenomenon of excessive water pressure in the pipe, the air in water can be discharged outwards through a pressure relief pipe while the warning function is triggered through the arrangement of the pressure relief pipe and the like, so that the water pressure can be reduced to a certain extent, more processing time can be won for the workers, and after the workers finish processing and recover the water pressure, the pressure relief elastic air bag can rebound and reset through the mode of heating the heated ball, and the piston plate can reset, and then make the function of warning repeatedly trigger, improved the practicality.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An overpressure warning type plastic pipe for water delivery comprises a plastic pipe body, wherein a pressure detection adjusting convex shell which is integrally formed with the plastic pipe body is arranged on the outer wall of the top end of the plastic pipe body, the interior of the pressure detection adjusting convex shell is communicated with the plastic pipe body, a pressure piston plate matched with the pressure detection adjusting convex shell is arranged in the pressure detection adjusting convex shell, the pressure piston plate is connected with the pressure detection adjusting convex shell in a sliding and sealing mode, the top end of the pressure piston plate is fixedly connected with a linkage rod, the top end of the linkage rod is fixedly connected with a connecting sleeve, a pressure sensing adjusting column is arranged in the connecting sleeve and comprises a heat preservation column body matched with the connecting sleeve, the heat preservation column body penetrates through the connecting sleeve and is connected with the connecting sleeve in a sliding mode, adjusting grooves are formed in the interior of two ends of the heat preservation column body, a memory spring is fixedly connected to the inner wall of each adjusting groove, and a connecting sliding rod is fixedly connected to one end of each memory spring, connect the outer wall that the slide bar runs through the adjustment tank and extends to the outside of adjustment tank to fixedly connected with examines the pressure clutch blocks, the outer wall sliding seal who connects slide bar and adjustment tank is connected, examine and press equal fixedly connected with fixed block on the inner wall of adjusting the bulge shell both sides, fixedly connected with examines the pressure friction pad on the outer wall of fixed block one side, the top of fixed block is provided with excessive pressure warning ball, excessive pressure warning ball includes elasticity gasbag, outlet duct, intake pipe, the check valve that gives vent to anger, the check valve that admits air, venthole, reed.
Further, the elastic air bag is filled with air, the outer wall of the elastic air bag is communicated with an air outlet pipe and an air inlet pipe, the air outlet pipe and the air inlet pipe both penetrate through the outer wall of the pressure detection regulation convex shell and extend to the outside of the pressure detection regulation convex shell, an air outlet one-way valve is arranged on the air outlet pipe, and an air inlet one-way valve is arranged on the air inlet pipe.
Further, a plurality of ventholes have been seted up on the outer wall of outlet duct, fixed mounting has the reed in the venthole, the one end that elastic airbag was kept away from to the outlet duct sets up to the seal form, the one end that elastic airbag was kept away from to the intake pipe sets up to the opening form, through the setting of excessive pressure ball of warning, when elastic airbag was connected the deformation of sleeve section of thick bamboo extrusion, air can be through the outlet duct among the elastic airbag, the check valve of giving vent to anger, the venthole outflows, when the air current was through the venthole, can make the reed vibrate, thereby make the reed send sound warn, make relevant staff can in time discover the too big phenomenon of intraductal water pressure, make the staff stop water transfusion and handle, so that water pressure resumes normally, and then prevent that the plastic tubing from breaking, the security performance has been improved.
Further, it is provided with the heat conduction rope all to run through on the outer wall of pressure detection regulation convex shell both sides, the outer wall that the heat preservation cylinder was run through to the one end of heat conduction rope and extends to the adjustment tank in, the other end fixedly connected with of heat conduction rope receives the hot ball, it adopts high temperature resistant material to make to receive the hot ball, memory spring adopts the shape memory alloy material that has two-way memory effect to make.
Furthermore, the memory spring is in a low-temperature phase shape, the length of the high-temperature phase shape of the memory spring is smaller than that of the low-temperature phase shape, through the arrangement of the memory spring, the heat conducting rope and the reinforcing rod, after the related working personnel stop water delivery and recover the water pressure to normal, the heated ball is heated, under the heat conducting action of the heat conducting rope, the temperature in the adjusting groove gradually rises until the memory spring is heated and recovered to the high-temperature phase shape, so that the connecting sliding rod is driven to slide in the adjusting groove, the pressure detection friction block is separated from the pressure detection friction pad, the elastic air bag is rebounded, air is sucked again through the air inlet pipe and the air inlet check valve, meanwhile, the rebounding of the elastic air bag can drive the pressure piston plate to reset, after the memory spring is cooled and recovered to the low-temperature phase shape, the pressure detection friction block can be propped against the pressure detection friction pad again, so that the warning function can be triggered repeatedly, the practicability is improved.
Furthermore, the outer wall of the heat conduction rope is sleeved with a heat insulation sleeve, the heat insulation sleeve is made of flexible heat insulation materials, one end of the heat insulation sleeve is fixedly connected with the heat insulation cylinder, the other end of the heat insulation sleeve is fixedly connected with the heated ball, the heat insulation sleeve can play a role in heat insulation and heat preservation, heat loss in the heat conduction process of the heat conduction rope is reduced, and therefore heating efficiency of the memory spring is improved.
Furthermore, one end of the pressure detection friction block, which is far away from the connecting slide rod, abuts against the pressure detection friction pad under the action of the elastic force of the memory spring, the surfaces of the pressure detection friction pad and the abutting end of the pressure detection friction block are both subjected to rough treatment, the static friction force between the pressure detection friction pad and the pressure detection friction block with rough surfaces is large, when the water pressure is normal, the thrust force, which is applied to the pressure piston plate by the water pressure, is smaller than the static friction force between the pressure detection friction pad and the pressure detection friction block, so that the pressure piston plate can be kept immovable, when the water pressure is suddenly increased and is close to the bearing limit of the plastic pipe body, the thrust force, which is applied to the pressure piston plate by the water pressure, is larger than the static friction force between the pressure detection friction pad and the pressure detection friction block, so as to drive the pressure piston plate to slide towards the pressure detection adjusting convex shell until the pressure piston plate slides to abut against the fixed block, and in the process, the elastic air bag is extruded by the connecting sleeve, the elastic air bag is extruded and deformed, and then the warning function of the overpressure warning ball is triggered.
Further, it has the pressure release pipe all to run through to inlay on the outer wall of pressure checking regulation convex shell both sides, the waterproof ventilated membrane of sealed fixedly connected with on the inner wall of pressure release pipe, the one end of pressure release pipe is linked together with the inside of pressure checking regulation convex shell, has seted up a plurality of exhaust holes on the outer wall of the other end.
Further, the numerical value of distance between pressure release pipe top and the fixed block bottom is greater than the thickness of the compression piston plate, the equal fixedly connected with supporting network in both sides of waterproof ventilated membrane, through the setting of pressure release pipe, waterproof ventilated membrane, exhaust hole, the too big pressurized piston plate that makes of water removes to the back that offsets with the fixed block, the pressure release pipe can be linked together with the inside of plastics body to make the air of aquatic can be through waterproof ventilated membrane, exhaust hole discharge, play the effect of a pressure release, can reduce water pressure to a certain extent, and then win more process time for the staff.
Further, two anchor strut of top fixed connection of pressurized piston board, two the one end of anchor strut all with connecting sleeve fixed connection, the anchor strut can play a reinforcing effect, strengthens being connected between pressurized piston board and the connecting sleeve, the locating lever of one side fixedly connected with L font of fixed block, the one end that the fixed block was kept away from to the locating lever offsets with the heat preservation cylinder, and the locating lever can play a positioning action, is favorable to reseing of pressurized piston board.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through pressure sensing regulation post, the setting of excessive pressure ball of warning, make when the bearing limit of water pressure increase suddenly closing on the plastics body, can drive the pressurized piston board and adjust the convex shell to examining the pressure and slide, thereby trigger the warning function of excessive pressure ball of warning, make the reed send sound and warn, and then make relevant staff can perceive the too big phenomenon of intraductal water pressure easily, and through the setting of pressure release pipe etc., make when the function of warning is triggered, the air in aquatic can outwards be discharged through the pressure release pipe, thereby can reduce water pressure to a certain extent, win more processing time for the staff, and the staff handles and finishes making water pressure resume back, accessible heating heated ball's mode, make the elastic airbag resilience recover, pressurized piston board resets, and then make the function of warning repeatedly trigger, and the practicality is improved.
(2) The end of the pressure detecting friction block far away from the connecting slide bar is abutted against the pressure detecting friction pad under the action of the elastic force of the memory spring, the surfaces of the abutting ends of the pressure detecting friction pad and the pressure detecting friction block are all subjected to rough treatment, the static friction force between the pressure detecting friction pad and the pressure detecting friction block with rough surfaces is larger, when the water pressure is normal, the thrust force of the water pressure on the pressure piston plate is smaller than the static friction force between the pressure detecting friction pad and the pressure detecting friction block, so that the pressure piston plate can be kept immovable, when the water pressure is suddenly increased and is close to the bearing limit of the plastic pipe body, the thrust force of the water pressure on the pressure piston plate is larger than the static friction force between the pressure detecting friction pad and the pressure detecting friction block, the pressure piston plate is driven to slide towards the pressure detecting adjusting convex shell until the pressure piston plate slides to abut against the fixed block, in the process, the connecting sleeve can extrude the elastic air bag, the elastic air bag is extruded and deformed, and then the warning function of the overpressure warning ball is triggered.
(3) Through the setting of excessive pressure warning ball, when the elasticity gasbag is connected the sleeve section of thick bamboo extrusion and is out of shape, air can be through the outlet duct among the elasticity gasbag, the check valve that gives vent to anger, the venthole flows out, when the air current passes through the venthole, can make the reed take place the vibration, thereby make the reed send sound warn, make relevant staff can in time discover the too big phenomenon of intraductal water pressure, make the staff stop water delivery and handle, so that water pressure resumes normally, and then prevent that the plastic tubing from breaking, the security performance is improved.
(4) Through the setting of pressure release pipe, waterproof ventilated membrane, exhaust hole, the too big pressurized piston board that makes of water removes to the back that offsets with the fixed block, and the pressure release pipe can be linked together with the inside of plastics body to make the air of aquatic can play the effect of a pressure release through waterproof ventilated membrane, exhaust hole discharge, can reduce water pressure to a certain extent, and then win more process time for the staff.
(5) Two anchor bars of top fixed connection of pressurized piston board, the one end of two anchor bars all with connecting sleeve fixed connection, the anchor bar can play a reinforcing effect, strengthens being connected between pressurized piston board and the connecting sleeve, the locating lever of one side fixedly connected with L font of fixed block, and the one end that the fixed block was kept away from to the locating lever offsets with the heat preservation cylinder, and the locating lever can play a positioning action, is favorable to resetting of pressurized piston board.
(6) Through memory spring, the heat conduction rope, the setting of anchor strut, relevant staff stops the water delivery and with water pressure recovery normal back, heat the ball that is heated, under the heat conduction effect of heat conduction rope, the temperature in the adjustment tank can rise gradually, resume to high temperature looks shape until making memory spring be heated, thereby drive and connect the slide bar and slide to the adjustment tank, make and examine the pressure clutch blocks and examine the pressure friction pad and break away from, and then make the elasticity gasbag can kick-back, and through the intake pipe, the check valve that admits air inhales air again, simultaneously, the resilience of elasticity gasbag can drive the pressurized piston board and reset, treat that memory spring cooling resumes to low temperature looks shape, can make again examine the pressure clutch blocks again with examine the pressure friction pad and offset, make the alarm function repeatedly trigger, and the practicality is improved.
(7) The heat insulation sleeve is sleeved on the outer wall of the heat conduction rope and made of flexible heat insulation materials, one end of the heat insulation sleeve is fixedly connected with the heat insulation cylinder, the other end of the heat insulation sleeve is fixedly connected with the heated ball, the heat insulation sleeve can play a heat insulation effect, the heat loss in the heat conduction process of the heat conduction rope is reduced, and therefore the heating efficiency of the memory spring is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the pressure detecting adjustment boss according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of the heat-insulating column according to the present invention;
FIG. 6 is a schematic view of the front view of the overvoltage warning ball of the present invention;
FIG. 7 is a schematic cross-sectional view of the elastic bladder of the present invention;
FIG. 8 is a schematic cross-sectional view of a pressure relief tube according to the present invention;
FIG. 9 is a schematic view showing the change of the shape of the overpressure warning ball when the water pressure is too high;
FIG. 10 is a schematic view showing the change of the shape of the pressure relief pipe when the water pressure is too high according to the present invention;
FIG. 11 is a schematic diagram of the memory spring position of the memory spring when the heated ball is heated.
The reference numbers in the figures illustrate:
101. a plastic tube body; 102. detecting pressure to adjust the convex shell; 103. a pressurized piston plate; 104. a linkage rod; 105. a fixed block; 106. detecting the pressure of the friction pad; 107. a reinforcing rod; 108. positioning a rod; 109. a connecting sleeve; 002. a pressure-sensitive regulating column; 201. a heat-insulating cylinder; 202. an adjustment groove; 203. a memory spring; 204. connecting a sliding rod; 205. detecting and pressing the friction block; 206. a heat conducting cord; 207. a heated ball; 208. a heat insulating sleeve; 003. an overvoltage warning ball; 301. an elastic air bag; 302. an air outlet pipe; 303. an air inlet pipe; 304. an air outlet one-way valve; 305. an air inlet check valve; 306. an air outlet; 307. a reed; 401. a pressure relief pipe; 402. a waterproof breathable film; 403. a support net; 404. and (4) exhausting holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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.
Example 1:
referring to fig. 1-11, an overpressure warning type plastic pipe for water delivery comprises a plastic pipe body 101, a pressure detecting adjusting convex shell 102 integrally formed with the plastic pipe body 101 is arranged on the outer wall of the top end of the plastic pipe body 101, the interior of the pressure detecting adjusting convex shell 102 is communicated with the plastic pipe body 101, a pressure piston plate 103 matched with the pressure detecting adjusting convex shell is arranged in the pressure detecting adjusting convex shell 102, the pressure piston plate 103 is connected with the pressure detecting adjusting convex shell 102 in a sliding and sealing manner, a linkage rod 104 is fixedly connected to the top end of the pressure piston plate 103, a connecting sleeve 109 is fixedly connected to the top end of the linkage rod 104, a pressure sensing adjusting column 002 is arranged in the connecting sleeve 109, the pressure sensing adjusting column 002 comprises a heat insulation column 201 matched with the connecting sleeve 109, the heat insulation column 201 penetrates through the connecting sleeve 109 and is connected with the connecting sleeve 109 in a sliding manner, adjusting grooves 202 are formed in the two ends of the heat insulation column 201, a memory spring 203 is fixedly connected to the inner wall of the adjusting grooves 202, one end of the memory spring 203 is fixedly connected with a connecting slide bar 204, the connecting slide bar 204 penetrates through the outer wall of the adjusting groove 202 and extends to the outside of the adjusting groove 202, and is fixedly connected with a pressure detection friction block 205, the connecting slide bar 204 is connected with the outer wall of the adjusting groove 202 in a sliding and sealing manner, the inner walls of two sides of the pressure detection adjusting convex shell 102 are fixedly connected with a fixed block 105, and the outer wall of one side of the fixed block 105 is fixedly connected with a pressure detection friction pad 106.
Referring to fig. 2-3, the top end of the compressed piston plate 103 is fixedly connected with two reinforcing rods 107, one end of each of the two reinforcing rods 107 is fixedly connected with the connecting sleeve 109, the reinforcing rods 107 can play a reinforcing role to reinforce the connection between the compressed piston plate 103 and the connecting sleeve 109, one side of the fixed block 105 is fixedly connected with an L-shaped positioning rod 108, one end of the positioning rod 108 far away from the fixed block 105 abuts against the heat-insulating cylinder 201, and the positioning rod 108 can play a positioning role to facilitate the resetting of the compressed piston plate 103.
Referring to fig. 2-3, 5 and 9-10, one end of the pressure-detecting friction block 205 away from the connecting slide bar 204 abuts against the pressure-detecting friction pad 106 under the action of the elastic force of the memory spring 203, the surfaces of the abutting ends of the pressure-detecting friction pad 106 and the pressure-detecting friction block 205 are both subjected to rough treatment, the static friction force between the pressure-detecting friction pad 106 and the pressure-detecting friction block 205 with rough surfaces is large, when the water pressure is normal, the thrust force of the pressure-receiving piston plate 103 from the water pressure is smaller than the static friction force between the pressure-detecting friction pad 106 and the pressure-detecting friction block 205, so that the pressure-receiving piston plate 103 is kept still, when the water pressure suddenly increases to approach the bearing limit of the plastic pipe 101, the thrust force of the water pressure applied to the pressure-receiving piston plate 103 is greater than the static friction force between the pressure-detecting friction pad 106 and the pressure-detecting friction block 205, so as to drive the pressure-receiving piston plate 103 to slide towards the pressure-detecting adjustment convex shell 102, as shown in fig. 10, until the pressed piston plate 103 slides to abut against the fixed block 105, in this process, the connecting sleeve 109 extrudes the elastic air bag 301, as shown in fig. 9, the elastic air bag 301 is extruded and deformed, and the warning function of the overpressure warning ball 003 is triggered, so that a person skilled in the art can adjust the static friction coefficients of the pressure detection friction pad 106 and the pressure detection friction block 205 according to the water pressure that can be borne by the plastic pipe 101, so that when the water pressure approaches the bearing limit of the plastic pipe 101, the thrust of the water pressure on the pressed piston plate 103 is greater than the static friction force between the pressure detection friction pad 106 and the pressure detection friction block 205, and the specific adjustment content is the known technology of the person skilled in the art, and details are not described herein.
Referring to fig. 2, 4, 6-7 and 9, an overpressure warning ball 003 is disposed above the fixed block 105, the overpressure warning ball 003 includes an elastic airbag 301, an outlet pipe 302, an inlet pipe 303, an outlet check valve 304, an inlet check valve 305, an outlet hole 306 and a reed 307, the elastic airbag 301 is filled with air, the outer wall of the elastic airbag 301 is communicated with the outlet pipe 302 and the inlet pipe 303, the outlet pipe 302 and the inlet pipe 303 both penetrate through the outer wall of the pressure-sensing regulating convex shell 102 and extend to the outside of the pressure-sensing regulating convex shell 102, the outlet pipe 302 is provided with the outlet check valve 304, the inlet pipe 303 is provided with the inlet check valve 305, the outer wall of the outlet pipe 302 is provided with a plurality of outlet holes 306, the reed 307 is fixedly mounted in the outlet holes 306, one end of the outlet pipe 302 away from the elastic airbag 301 is set to be in a sealed shape, one end of the inlet pipe 303 away from the elastic airbag 301 is set to be in an open shape, through the setting of excessive pressure ball 003 of warning, elasticity gasbag 301 is when connecting sleeve 109 extrusion deformation, as shown in fig. 9, gas can be through outlet duct 302 in elasticity gasbag 301, the check valve 304 of giving vent to anger, venthole 306 flows out, when the air current passes through venthole 306, can make reed 307 vibrate, thereby make reed 307 send sound warn, make relevant staff can in time perceive the too big phenomenon of intraductal water pressure, make the staff stop water delivery and handle, so that water pressure resumes normally, and then prevent that the plastic tubing from breaking, and the safety performance is improved.
Referring to fig. 2, 5 and 11, heat conducting cords 206 are respectively disposed on the outer walls of the two sides of the pressure detecting adjusting convex shell 102, one end of each heat conducting cord 206 penetrates the outer wall of the heat insulating cylinder 201 and extends into the adjusting groove 202, the other end of each heat conducting cord 206 is fixedly connected with a heated ball 207, each heated ball 207 is made of a high temperature resistant material, each memory spring 203 is made of a shape memory alloy material with a two-way memory effect, each memory spring 203 is in a low-temperature phase shape, the length of the high-temperature phase shape of each memory spring 203 is smaller than that of each low-temperature phase shape, the memory spring 203, the heat conducting cords 206 and the reinforcing rod 107 are arranged, after the relevant staff stops water delivery and returns the water pressure to normal, the heated ball 207 is heated, the temperature in the adjusting groove 202 gradually rises under the heat conducting effect of the heat conducting cords 206 as shown in fig. 11 until the memory springs 203 are heated to return to the high-temperature phase shape, thereby drive the connecting slide bar 204 and slide to the adjustment groove 202, make and examine the pressure friction piece 205 and examine the pressure friction pad 106 and break away from, and then make the elasticity gasbag 301 obtain kick-back, and through intake pipe 303, the air inlet check valve 305 inhales the air again, simultaneously, the kick-back of elasticity gasbag 301 can drive the pressurized piston board 103 and reset, wait memory spring 203 cooling to resume to low temperature looks shape, can make again examine the pressure friction piece 205 and examine the pressure friction pad 106 counterbalance, make the repeatedly triggering of warning function, the practicality has been improved.
Referring to fig. 5, the outer wall of the heat conducting rope 206 is sleeved with a heat insulating sleeve 208, the heat insulating sleeve 208 is made of a flexible heat insulating material, one end of the heat insulating sleeve 208 is fixedly connected with the heat insulating cylinder 201, and the other end of the heat insulating sleeve 208 is fixedly connected with the heated ball 207, so that the heat insulating sleeve 208 can play a role of heat insulation and heat preservation, the loss of heat in the heat conducting process of the heat conducting rope 206 is reduced, and the heating efficiency of the memory spring 203 is improved.
Referring to fig. 2, 8 and 11, a pressure relief pipe 401 is inserted through the outer walls of the two sides of the pressure-detecting adjusting convex shell 102, a waterproof breathable film 402 is fixedly connected to the inner wall of the pressure relief pipe 401 in a sealing manner, one end of the pressure relief pipe 401 is connected to the inside of the pressure-detecting adjusting convex shell 102, a plurality of vent holes 404 are formed in the outer wall of the other end of the pressure relief pipe 401, the distance between the top end of the pressure relief pipe 401 and the bottom end of the fixed block 105 is greater than the thickness of the pressurized piston plate 103, a support net 403 is fixedly connected to the two sides of the waterproof breathable film 402, and the pressure relief pipe 401 is communicated with the inside of the plastic pipe body 101 after the pressurized piston plate 103 moves to abut against the fixed block 105 due to excessive water pressure, so that air in water can be discharged through the waterproof breathable film 402 and the vent holes 404 to perform a pressure relief function, thereby reducing the water pressure to a certain extent, thereby gaining more processing time for the staff.
The invention drives the pressed piston plate 103 to slide towards the pressure detection regulation convex shell 102 through the arrangement of the pressure sensing regulation column 002 and the overpressure warning ball 003 when the water pressure suddenly increases and is close to the bearing limit of the plastic pipe body 101, thereby triggering the warning function of the overvoltage warning ball 003 to make the reed 307 sound for warning, so that the related staff can easily detect the phenomenon of excessive water pressure in the pipe, and through the arrangement of the pressure relief pipe 401 and the like, so that when the warning function is triggered, air in water can be discharged outwards through the pressure relief pipe 401, thereby reducing the water pressure to a certain extent, gaining more processing time for workers, and after the workers finish the processing and recover the water pressure, the accessible heating receives hot ball 207's mode, makes elastic air bag 301 resilience recovery, pressurized piston board 103 reset, and then makes the repeated triggering of warning function, has improved the practicality.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides an excessive pressure warning type plastic tubing for water delivery, includes plastic pipe body (101), its characterized in that: the pressure detection adjusting convex shell (102) is integrally formed on the outer wall of the top end of the plastic pipe body (101), the pressure detection adjusting convex shell (102) is communicated with the plastic pipe body (101), a pressure piston plate (103) matched with the pressure detection adjusting convex shell is arranged in the pressure detection adjusting convex shell (102), the pressure piston plate (103) is connected with the pressure detection adjusting convex shell (102) in a sliding and sealing manner, a linkage rod (104) is fixedly connected to the top end of the pressure piston plate (103), a connecting sleeve (109) is fixedly connected to the top end of the linkage rod (104), a pressure sensing adjusting column (002) is arranged in the connecting sleeve (109), the pressure sensing adjusting column (002) comprises a heat insulation column body (201) matched with the connecting sleeve (109), the heat insulation column body (201) penetrates through the connecting sleeve (109) and is connected with the connecting sleeve (109) in a sliding manner, adjusting grooves (202) are formed in the inner parts of two ends of the heat insulation column body (201), fixedly connected with memory spring (203) on the inner wall of adjustment tank (202), the one end fixedly connected with of memory spring (203) connects slide bar (204), connect slide bar (204) and run through the outside that the outer wall of adjustment tank (202) extended to adjustment tank (202) to fixedly connected with examines pressure friction block (205), connect slide bar (204) and the outer wall sliding seal of adjustment tank (202) and be connected, examine and press equal fixedly connected with fixed block (105) on the inner wall of adjusting bulge shell (102) both sides, fixedly connected with examines pressure friction pad (106) on the outer wall of fixed block (105) one side, the top of fixed block (105) is provided with excessive pressure warning ball (003), excessive pressure warning ball (003) include elasticity gasbag (301), outlet duct (302), intake pipe (303), the check valve (304) of giving vent to anger, check valve (305) of admitting air, An air outlet (306) and a reed (307).
2. An overpressure warning type plastic pipe for water conveyance as set forth in claim 1, wherein: the air bag is filled with air in the elastic air bag (301), an air outlet pipe (302) and an air inlet pipe (303) are communicated on the outer wall of the elastic air bag (301), the air outlet pipe (302) and the air inlet pipe (303) all penetrate through the outer wall of the pressure detection regulation convex shell (102) and extend to the outside of the pressure detection regulation convex shell (102), an air outlet one-way valve (304) is arranged on the air outlet pipe (302), and an air inlet one-way valve (305) is arranged on the air inlet pipe (303).
3. An overpressure warning type plastic pipe for water conveyance as set forth in claim 2, wherein: a plurality of air outlet holes (306) are formed in the outer wall of the air outlet pipe (302), a reed (307) is fixedly mounted in each air outlet hole (306), one end, far away from the elastic air bag (301), of the air outlet pipe (302) is arranged to be in a sealed shape, and one end, far away from the elastic air bag (301), of the air inlet pipe (303) is arranged to be in a sealed shape.
4. An overpressure warning type plastic pipe for water conveyance as set forth in claim 1, wherein: all run through on the outer wall of pressure detecting regulation convex hull (102) both sides and be provided with heat conduction rope (206), the outer wall of heat preservation cylinder (201) is run through and in extending to adjustment tank (202) to the one end of heat conduction rope (206), the other end fixedly connected with of heat conduction rope (206) receives hot ball (207), memory spring (203) adopt the shape memory alloy material that has two-way memory effect to make.
5. An overpressure warning type plastic pipe for water conveyance as set forth in claim 4, wherein: the memory spring (203) is in a low-temperature phase shape, and the length of the high-temperature phase shape of the memory spring (203) is smaller than that of the low-temperature phase shape.
6. An overpressure warning type plastic pipe for water conveyance as set forth in claim 4, wherein: the heat-conducting wire is characterized in that a heat insulation sleeve (208) is sleeved on the outer wall of the heat-conducting wire (206), the heat insulation sleeve (208) is made of flexible heat insulation materials, one end of the heat insulation sleeve (208) is fixedly connected with the heat insulation cylinder (201), the other end of the heat insulation sleeve is fixedly connected with the heated ball (207), and the heated ball (207) is made of high-temperature-resistant materials.
7. An overpressure warning type plastic pipe for water conveyance as set forth in claim 1, wherein: one end of the pressure detecting friction block (205), which is far away from the connecting slide rod (204), abuts against the pressure detecting friction pad (106) under the action of the elastic force of the memory spring (203), and the surfaces of the abutting ends of the pressure detecting friction pad (106) and the pressure detecting friction block (205) are both subjected to rough treatment.
8. An overpressure warning type plastic pipe for water conveyance as set forth in claim 1, wherein: examine and all run through on the outer wall of pressure regulating convex shell (102) both sides and inlay and have pressure release pipe (401), sealed fixedly connected with waterproof ventilated membrane (402) on the inner wall of pressure release pipe (401), the one end of pressure release pipe (401) is linked together with the inside of examining pressure regulating convex shell (102), has seted up a plurality of exhaust holes (404) on the outer wall of the other end.
9. An overpressure warning type plastic pipe for water conveyance as set forth in claim 8, wherein: the numerical value of the distance between the top end of the pressure relief pipe (401) and the bottom end of the fixing block (105) is larger than the thickness of the compressed piston plate (103), and supporting nets (403) are fixedly connected to two sides of the waterproof breathable film (402).
10. An overpressure warning type plastic pipe for water conveyance as set forth in claim 1, wherein: two reinforcing rods (107) are fixedly connected to the top end of the compression piston plate (103), two one ends of the reinforcing rods (107) are fixedly connected with the connecting sleeve (109), one side of the fixing block (105) is fixedly connected with an L-shaped positioning rod (108), and one end, far away from the fixing block (105), of the positioning rod (108) is abutted to the heat-insulation cylinder (201).
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| CN113586967B (en) | 2022-10-28 |
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Effective date of registration: 20240110 Address after: 226100 No.199, Beihai West Road, Haimen street, Haimen District, Nantong City, Jiangsu Province Patentee after: Nantong Xinyuan New Material Co.,Ltd. Address before: No. 888, Shanghai West Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province 226100 Patentee before: Jiangsu Chengyang New Material Technology Co.,Ltd. |