CN110397798A - A kind of environmental protection PE feed pipe - Google Patents
A kind of environmental protection PE feed pipe Download PDFInfo
- Publication number
- CN110397798A CN110397798A CN201910703878.4A CN201910703878A CN110397798A CN 110397798 A CN110397798 A CN 110397798A CN 201910703878 A CN201910703878 A CN 201910703878A CN 110397798 A CN110397798 A CN 110397798A
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- China
- Prior art keywords
- water
- suction block
- spacing collar
- tube body
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to water pipe technology field, specifically a kind of environmental protection PE feed pipe；Including tube body, the inboard wall of tube body is provided with spacing collar, and closing disk is hinged at the top of spacing collar, and the closing disk includes rotor plate and the sheet rubber for being connected to rotor plate leading flank and trailing flank, and sheet rubber is for being adjacent to inboard wall of tube body；The present invention passes through setting spacing collar and closing disk, stop upwards drawing water work when, when managing intracorporal water and being flowed downward by the gravity of itself, it will push closing disk and rotated around hinge joint and return to original position, spacing collar is covered, making the water of top will not be flowed downward by spacing collar, achieve the effect that prevent reflux, is conducive to the working efficiency and service life that improve water pump, while sheet rubber is easily-deformable, it can be bonded inboard wall of tube body, reduce the influence to water flow.
Description
Technical field
The invention belongs to water pipe technology field, specifically a kind of environmental protection PE feed pipe.
Background technique
PE (metallocene linear-low density polyethylene) material due to its intensity height, high temperature resistant, it is anticorrosive, nontoxic the features such as,
It is widely used in feed pipe manufacturing field.Because it will not get rusty, therefore, it is substituting the ideal tubing of common iron feed pipe；
Metallocene linear-low density polyethylene is inertialess material, in addition to a small amount of strong oxidizer, can resistant to many chemicals corrode, and not
Easily breed bacterium.It is known that steel pipe, cast iron pipe reason replaced plastic tube are not only due to plastic pipe than its water delivery
Low energy consumption, low energy consumption for life, light-weight, small flow resistance, simple installation are rapid, low cost, the service life is long, has heat insulation function
Deng also as plastic tube is corrosion-resistant, is not easy the performances such as cooperating microorganisms better than steel pipe and cast iron pipe.
Existing PE feed pipe, in use, by the extraction of water pump, delivers water into mountain top in mountain area, closes when water pump is in
When machine state, the water in feed pipe can flow back, and in use next time, need that water will be full of in feed pipe, mountain top just has
Water outflow, influences efficiency, and when the height for conveying water is higher, the water of reflux has very big impact force, and that causes water pump uses the longevity
Life reduces, in consideration of it, can stop to the water of reflux the present invention provides a kind of environmental protection PE feed pipe, improve water
The working efficiency and service life of pump.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of environmental protection PE feed pipe, mainly pass through spacing collar and envelope
Disk achievees the effect that prevent reflux, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of environmental protection PE feed pipe, including tube body, it is described
Inboard wall of tube body is provided with spacing collar, closing disk is hinged at the top of spacing collar, before the closing disk includes rotor plate and is connected to rotor plate
The sheet rubber of side and trailing flank, sheet rubber is for being adjacent to inboard wall of tube body；When work, tube body is connect on water pump at the foot of the hill,
By the extraction of water pump, mountain top is delivered water into, when water pump is in off-mode, the water in tube body can flow back, under
Secondary in use, needing that water will be full of in tube body, mountain top can just be there are flowing out, and influence efficiency, when the height for conveying water is higher, be returned
The water of stream has very big impact force, and the service life of water pump is caused to reduce, therefore increases multiple groups closing disk and spacing collar in tube body,
After water pump at the foot of the hill starts, water is delivered up by tube body, the closing disk being hinged on above spacing collar is opened, closing disk is made
It is in the state vertical with spacing collar around hinge joint rotation, water is delivered up by the gap in the middle part of spacing collar, works as the foot of the hill
Under water pump when stopping working will push closing disk when managing intracorporal water and being flowed downward by the gravity of itself and turn around hinge joint
It moves and returns to original position, spacing collar is covered, the water of top is made not flow downward by spacing collar, reach the effect for preventing reflux
Fruit is conducive to the working efficiency and service life that improve water pump, while sheet rubber is easily-deformable, can be bonded inboard wall of tube body, reduces
Influence to water flow.
Preferably, the spacing collar bottom is provided with annular ring, is provided with connection hose at the top of annular ring；Rotor plate bottom
Sliding groove is offered, sliding groove is internally provided with float ball, and telescoping tube, the connection hose and telescoping tube are fixed in float ball
Connection；When water pump is started to work, during water is taken out upwards, water has upward impact force, can squeeze annular ring compression, will
Its internal gas is pressed into telescoping tube by connecting hose, makes telescopic tube, and telescoping tube pushes float ball to turn to separate
The direction of movable plate hinge joint is mobile, and according to the principle of torque, same buoyancy, torque is bigger, and active force is bigger, and then passes through
The rate that the buoyancy of float ball pushes rotor plate to be rotated up is faster, just can quickly make to turn after rotor plate is just rotated up
Movable plate is in the state vertical with spacing collar, improves the efficiency of conveying water.
Preferably, main suction block is provided at the top of the rotor plate, main suction block bottom is fixed with catch bar, catch bar bottom circle
Arc is arranged and extends to inside sliding groove, and be connected restraining position ring block on the outside of catch bar；Inside rotor plate at the top of the sliding groove
It is provided with cavity, stop collar is arranged in cavity inside；The inboard wall of tube body is provided with secondary suction block, and secondary suction block is for adsorbing main suction
Block；When float ball is mobile to the free end of rotor plate, it can be expressed to catch bar, make the main suction block at the top of catch bar far from rotation
Plate upper surface, during the free end of rotor plate and close secondary suction block, main suction block can faster reach the magnetic with secondary suction block
Power range makes rotor plate be in the state vertical with spacing collar, into one faster by the magnetic force between main suction block and secondary suction block
Step improves the efficiency of conveying water.
Preferably, the free end bottom of the rotor plate offers skewed slot, and skewed slot is internally provided with inclined plate, is connected on inclined plate
There is secondary suction block, compressed spring is fixed in secondary suction block, compressed spring is connect close to one end of main suction block with rotor plate；When by floating
When dynamic ball extruding catch bar makes main suction block far from rotor plate upper surface, shake off the magnetic force with time suction block, compressed spring is restored, and is pushed
Inclined plate one end is removed out of skewed slot, and after rotor plate is in the state vertical with spacing collar, main suction block and secondary suction block are in absorption
State, after stopping drawing water upwards, when water is pressed downward, a part of water can impact the angle of inclined plate and rotor plate, to rotation
Plate has bigger impact force, is smoothly detached main suction block with secondary suction block.
The inclined plate leading flank and trailing flank are provided with article putting groove, and article putting groove is internally provided with auxiliary plate, auxiliary plate and inclined plate
Hingedly, the hinged end of auxiliary plate is connect by stretch cord with inclined plate；The auxiliary plate surface is provided through multiple through-holes, inside through-hole
It is provided with the elastic membrane being connected with auxiliary plate；When inclined plate one end is from skewed slot, auxiliary plate is under the pulling of stretch cord out of article putting groove
It removes, increases the contact area of the water of inclined plate and whereabouts, while when in water slug to auxiliary plate, will push elastic membrane swell, into
One step improves the blocking capability to water, and then increases the downward thrust of rotor plate, is smoothly detached main suction block with secondary suction block.
Preferably, the elastic membrane bottom is provided with arc panel, and the cut-in that arc panel matches is offered on the inclined plate
Slot；When the downward swell of elastic membrane, it will push arc panel and move to being divided into slot, the swell of elastic membrane will not be interfered, when water is under
Side shows that water pump is in running order when being delivered up, and the impact force of water is larger, at this time due to two arc panels in lower section to bullet
Property film stop, prevent the upward swell of elastic membrane, make elastic membrane for a long time be in deformation state, cause elastic membrane to be permanently deformed.
Technical effect and advantage of the invention:
1, a kind of environmental protection PE feed pipe provided by the invention stops work of drawing water upwards by setting spacing collar and closing disk
When, when managing intracorporal water and being flowed downward by the gravity of itself, it will push closing disk and rotated around hinge joint and return to original position, will limit
Position circle covers, and the water of top is made not flow downward by spacing collar, achievees the effect that prevent reflux, is conducive to improve water pump
Working efficiency and service life, while sheet rubber is easily-deformable, can be bonded inboard wall of tube body, reduces the influence to water flow.
2, a kind of environmental protection PE feed pipe provided by the invention passes through company when annular ring is compressed by the way that float ball is arranged
The elongation for connecing hose and telescoping tube keeps float ball mobile to the direction far from rotor plate hinge joint, according to the principle of torque, makes to turn
The rate that movable plate is rotated up is faster, so that rotor plate is in after rotor plate is just rotated up and hang down with spacing collar
Straight state improves the efficiency of conveying water.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1 in the present invention；
Fig. 3 is inclined plate overlooking surface cross-sectional view of the invention；
Fig. 4 is auxiliary plate structural schematic diagram of the invention；
Fig. 5 is the closing disk top view in the present invention；
In figure: tube body 1, spacing collar 2, closing disk 3, rotor plate 31, sheet rubber 32, annular ring 4, connection hose 5, sliding groove 6,
Float ball 7, telescoping tube 8, main suction block 9, catch bar 10, stop collar 11, cavity 12, secondary suction block 13, skewed slot 14, inclined plate 15, secondary suction
Block 16, article putting groove 18, auxiliary plate 19, stretch cord 20, through-hole 21, elastic membrane 22, arc panel 23, is divided into slot 24 at compressed spring 17.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figs. 1-5, a kind of environmental protection PE feed pipe of the present invention, including tube body 1,1 inner wall of the tube body setting
There is spacing collar 2, closing disk 3 is hinged at the top of spacing collar 2, the closing disk 3 includes rotor plate 31 and is connected to 31 leading flank of rotor plate
With the sheet rubber 32 of trailing flank, sheet rubber 32 is for being adjacent to 1 inner wall of tube body；When work, tube body 1 is connect into water pump at the foot of the hill
On, by the extraction of water pump, mountain top is delivered water into, when water pump is in off-mode, the water in tube body 1 can flow back,
In use next time, it needs that water will be full of in tube body 1, mountain top can just there are flowing out, and efficiency be influenced, when the height of conveying water is higher
When, the water of reflux has very big impact force, causes the service life of water pump to reduce, therefore increase by 3 He of multiple groups closing disk in tube body 1
Water is delivered up by tube body 1 after water pump at the foot of the hill starts, will be hinged on the closing disk 3 of 2 top of spacing collar by spacing collar 2
Open, make closing disk 3 around hinge joint rotation in the state vertical with spacing collar 2, water by the gap at 2 middle part of spacing collar to
Upper conveying when the water in tube body 1 is flowed downward by the gravity of itself, will push envelope when water pump at the foot of the hill stops working
Disk 3 rotates around hinge joint and returns to original position, and spacing collar 2 is covered, and the water of top is made not flow downward by spacing collar 2,
Achieve the effect that prevent reflux, is conducive to the working efficiency and service life that improve water pump, while sheet rubber 32 is easily-deformable, it can
It is bonded 1 inner wall of tube body, reduces the influence to water flow.
2 bottom of spacing collar is provided with annular ring 4, and connection hose 5 is provided at the top of annular ring 4；31 bottom of rotor plate
Offer sliding groove 6, sliding groove 6 is internally provided with float ball 7, is fixed with telescoping tube 8 in float ball 7, the connection hose 5 with
Telescoping tube 8 is connected to；When water pump is started to work, during water is taken out upwards, water has upward impact force, can squeeze annular ring
Its internal gas is pressed into telescoping tube 8 by connecting hose 5, extends telescoping tube 8, telescoping tube 8 pushes floating by 4 compressions
Dynamic ball 7 is mobile to the direction far from 31 hinge joint of rotor plate, and according to the principle of torque, same buoyancy, torque is bigger, active force
It is bigger and then faster by the rate that the buoyancy of float ball 7 pushes rotor plate 31 to be rotated up, it can be rigid in rotor plate 31
Be rotated up just quickly makes rotor plate 31 be in the state vertical with spacing collar 2 afterwards, improves the efficiency of conveying water.
Main suction block 9 is provided at the top of the rotor plate 31, main 9 bottom of suction block is fixed with catch bar 10,10 bottom of catch bar
Arc-shaped to be arranged and extend to inside sliding groove 6, be connected restraining position ring block 11 on the outside of catch bar 10；6 top of sliding groove turns
Movable plate 31 is internally provided with cavity 12, and stop collar 11 is arranged inside cavity 12；1 inner wall of tube body is provided with secondary suction block 13,
Secondary suction block 13 is for adsorbing main suction block 9；When float ball 7 is mobile to the free end of rotor plate 31, it can be expressed to catch bar 10, made
The main suction block 9 at 10 top of catch bar is far from 31 upper surface of rotor plate, in the close mistake in the free end of rotor plate 31 and secondary suction block 13
Cheng Zhong, main suction block 9 can faster reach the magnetic force range with secondary suction block 13, by the magnetic force between main suction block 9 and secondary suction block 13,
So that rotor plate 31 is in the state vertical with spacing collar 2 faster, further improves the efficiency of conveying water.
The free end bottom of the rotor plate 31 offers skewed slot 14, and skewed slot 14 is internally provided with inclined plate 15, on inclined plate 15
It is fixed with time suction block 16, is fixed with compressed spring 17, the one end and rotor plate of compressed spring 17 close to main suction block 9 in secondary suction block 16
31 connections；When squeezing catch bar 10 by float ball 7 makes main suction block 9 far from 31 upper surface of rotor plate, shake off and time suction block 16
Magnetic force, compressed spring 17 restore, push 15 one end of inclined plate removed out of skewed slot 14, when rotor plate 31 be in spacing collar 2 hang down
After straight state, main suction block 9 is in adsorbed state with secondary suction block 13, after stopping drawing water upwards, when water is pressed downward, and a part of water
The angle that inclined plate 15 Yu rotor plate 31 can be impacted has bigger impact force to rotor plate 31, makes main suction block 9 and secondary suction block 13
It is smoothly detached.
15 leading flank of inclined plate and trailing flank are provided with article putting groove 18, and article putting groove 18 is internally provided with auxiliary plate 19, auxiliary
Plate 19 and inclined plate 15 are hinged, and the hinged end of auxiliary plate 19 is connect by stretch cord 20 with inclined plate 15；19 surface of auxiliary plate, which is run through, to be set
Multiple through-holes 21 are equipped with, through-hole 21 is internally provided with the elastic membrane 22 being connected with auxiliary plate 19；When 15 one end of inclined plate is from skewed slot 14
When, auxiliary plate 19 is removed out of article putting groove 18 under the pulling of stretch cord 20, the contact area of inclined plate 15 and the water to fall is increased,
When simultaneously in water slug to auxiliary plate 19,22 swell of elastic membrane will push, further improve the blocking capability to water, and then to turning
The downward thrust of movable plate 31 increases, and is smoothly detached main suction block 9 with secondary suction block 13.
22 bottom of elastic membrane is provided with arc panel 23, and the cut-in that arc panel 23 matches is offered on the inclined plate 15
Slot 24；When 22 downward swell of elastic membrane, it will push arc panel 23 and moved into cut-in slot 24, rising for elastic membrane 22 will not be interfered
Greatly, when water is delivered up from below, show that water pump is in running order, the impact force of water is larger, at this time due to two arcs
Plate 23 stops elastic membrane 22 in lower section, prevents the upward swell of elastic membrane 22, so that 22 long-time of elastic membrane is in deformation state, make
It is permanently deformed at elastic membrane 22.
When work, tube body 1 is connect on water pump at the foot of the hill, by the extraction of water pump, mountain top is delivered water into, works as water pump
When in off-mode, the water in tube body 1 can flow back, and in use next time, need to be full of water in tube body 1, mountain top is
It can there are flowing out, influence efficiency, when the height for conveying water is higher, the water of reflux has very big impact force, causes making for water pump
With service life reduction, therefore increase multiple groups closing disk 3 and spacing collar 2 in tube body 1, after water pump starting at the foot of the hill, water is passed through
Tube body 1 is delivered up, and the closing disk 3 for being hinged on 2 top of spacing collar is opened, is in closing disk 3 and limit around hinge joint rotation
2 vertical states are enclosed, water is delivered up by the gap at 2 middle part of spacing collar, when water pump at the foot of the hill stops working, tube body
When water in 1 is flowed downward by the gravity of itself, it will push closing disk 3 and rotated around hinge joint and return to original position, by spacing collar 2
It covers, the water of top is made not flow downward by spacing collar 2, achieve the effect that prevent reflux, be conducive to the work for improving water pump
Make efficiency and service life, while sheet rubber 32 is easily-deformable, 1 inner wall of tube body can be bonded, reduces the influence to water flow, work as water pump
When start-up operation, during water is taken out upwards, water has upward impact force, can squeeze the compression of annular ring 4, by its internal gas
Body is pressed into telescoping tube 8 by connecting hose 5, extends telescoping tube 8, and telescoping tube 8 pushes float ball 7 to far from rotor plate 31
The direction of hinge joint is mobile, and according to the principle of torque, same buoyancy, torque is bigger, and active force is bigger, and then passes through floating
The rate that the buoyancy of ball 7 pushes rotor plate 31 to be rotated up is faster, just can quickly make after rotor plate 31 is just rotated up
Rotor plate 31 is in the state vertical with spacing collar 2, improves the efficiency of conveying water.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of environmental protection PE feed pipe, including tube body (1), it is characterised in that: tube body (1) inner wall is provided with spacing collar (2),
It is hinged with closing disk (3) at the top of spacing collar (2), the closing disk (3) includes rotor plate (31) and is connected to rotor plate (31) leading flank
With the sheet rubber (32) of trailing flank, sheet rubber (32) is for being adjacent to tube body (1) inner wall.
2. a kind of environmental protection PE feed pipe according to claim 1, it is characterised in that: spacing collar (2) bottom is provided with
Annular ring (4), annular ring (4) top are provided with connection hose (5)；Rotor plate (31) bottom offers sliding groove (6), sliding groove
(6) it is internally provided with float ball (7), is fixed in float ball (7) telescoping tube (8), the connection hose (5) and telescoping tube (8)
Connection.
3. a kind of environmental protection PE feed pipe according to claim 2, it is characterised in that: be provided at the top of the rotor plate (31)
Main suction block (9), main suction block (9) bottom are fixed with catch bar (10), and catch bar (10) bottom is arc-shaped to be arranged and extend to sliding
Slot (6) is internal, is connected restraining position ring block (11) on the outside of catch bar (10)；It is set inside rotor plate (31) at the top of the sliding groove (6)
It is equipped with cavity (12), stop collar (11) setting is internal in cavity (12)；Tube body (1) inner wall is provided with secondary suction block (13), secondary
Suction block (13) is for adsorbing main suction block (9).
4. a kind of environmental protection PE feed pipe according to claim 3, it is characterised in that: the free end bottom of the rotor plate (31)
Portion offers skewed slot (14), and skewed slot (14) is internally provided with inclined plate (15), and time suction block (16), secondary suction block are fixed on inclined plate (15)
(16) it is fixed on compressed spring (17), compressed spring (17) is connect close to the one end of main suction block (9) with rotor plate (31).
5. a kind of environmental protection PE feed pipe according to claim 4, it is characterised in that: inclined plate (15) leading flank and rear side
Face is provided with article putting groove (18), and article putting groove (18) is internally provided with auxiliary plate (19), auxiliary plate (19) and inclined plate (15) hingedly, auxiliary plate
(19) hinged end is connect by stretch cord (20) with inclined plate (15)；Auxiliary plate (19) surface is provided through multiple through-holes
(21), through-hole (21) is internally provided with the elastic membrane (22) being connected with auxiliary plate (19).
6. a kind of environmental protection PE feed pipe according to claim 5, it is characterised in that: elastic membrane (22) bottom is provided with
Arc panel (23) offers the cut-in slot (24) that arc panel (23) matches on the inclined plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703878.4A CN110397798B (en) | 2019-07-31 | 2019-07-31 | Environment-friendly PE water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703878.4A CN110397798B (en) | 2019-07-31 | 2019-07-31 | Environment-friendly PE water supply pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110397798A true CN110397798A (en) | 2019-11-01 |
| CN110397798B CN110397798B (en) | 2020-12-08 |
Family
ID=68326985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703878.4A Active CN110397798B (en) | 2019-07-31 | 2019-07-31 | Environment-friendly PE water supply pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN110397798B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108095A (en) * | 2021-04-09 | 2021-07-13 | 今创集团股份有限公司 | Drainage device capable of preventing positive and negative air pressure |
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| CN113108095B (en) * | 2021-04-09 | 2023-09-29 | 今创集团股份有限公司 | Positive and negative air pressure prevention drainage device |
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Effective date of registration: 20201120 Address after: 065800 Wen'an Economic Development Zone, Hebei, Langfang Applicant after: Hebei Hongxin Plastic Industry Co., Ltd Address before: 230000 Jinting, Wanke Forest Park, Guzhen Road, Luyang District, Hefei City, Anhui Province, 1302 Applicant before: Zhang Houluan |
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