CN105626508A - Method for manufacturing automatic flap valve of water pump - Google Patents
Method for manufacturing automatic flap valve of water pump Download PDFInfo
- Publication number
- CN105626508A CN105626508A CN201511021970.0A CN201511021970A CN105626508A CN 105626508 A CN105626508 A CN 105626508A CN 201511021970 A CN201511021970 A CN 201511021970A CN 105626508 A CN105626508 A CN 105626508A
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- China
- Prior art keywords
- flap valve
- water outlet
- water
- balance arm
- water pump
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Abstract
The invention discloses a method for manufacturing an automatic flap valve of a water pump. The water pump comprises a water pump water outlet and the flap valve arranged on the water outlet and is characterized in that a support is arranged on the lower portion of the water pump water outlet, a balance arm is movably connected to the support, and the upper end of the balance arm is connected with the flap valve; and the flap valve is arranged on the water outlet in a blocking manner, and a balance weight connecting part is arranged at the lower end of the balance arm and connected with a balance weight. When the water pump is started, the flap valve is rushed open by water flow, the flap valve is flatly placed on the lower portion of the water outlet and has no resistance to effluent, and the water pump stops drawing water. Due to the action of water return force, the flap valve is automatically lifted to be switched off on the water outlet, and the water is prevented from flowing back along a pipeline.
Description
Technical field
The application relates to water pump field of drawing water, and particularly relates to the manufacture method of the automatic flap valve of a kind of water pump.
Background technology
In the water pump of existing middle-size and small-size water drainage or irrigation, flap valve is very important structure accessory, and it is mainly when water pump is shut down, and stops the water backflow that will take out in upper/channel. But the flap valve of routine upwards starts; the coupling shaft of flap valve and water pump pipe is on water pump water outlet mouth of pipe top; it is when drawing water; pumping for water pump impulse force to be continued jack-up flap valve; close by flap valve self gravitation during shutdown; light then tens kilograms heavy then several hundred kilograms of the flap valve of the conventional middle-size and small-size water pump for irrigation and drainage, relies on pumping for water pump impulse force that flap valve is continued jack-up, it is thus desirable to consume much electricity.
For reducing energy consumption, improve pumping station operation efficiency, now propose one and it is arranged on pump outlet bottom, opening angle is big, unresisted energy-saving automatic turning rotatable flap valve when drawing water, according to mechanics principle, originally the flap valve being arranged on water outlet top is changed into and is arranged on water outlet bottom, flap valve is arranged on balance arm and supports left end, balance weight body is arranged on balance arm and supports right-hand member, flap valve is when opening, it is positioned at the flap valve supporting left end and it is positioned at the balance weight body weight balancing supporting right-hand member, therefore water outlet resistance is less, stop pumping, flap valve because of right-hand member moment is bigger and backwater suction lid on water outlet, thus play the effect stopping that current reflux along rising pipe, the type flap valve has following technology feature: 1, without the need to any headstock gear, energy automatic open close, 2, safety and stability, efficient energy-saving, 3, without resistance when this flap valve runs, when closing, impact force is little, the whirlpool produced when eliminating water hammer and water outlet, 4, without the need to hand, electricity, gas, hydraulic control system, not manual operation, saves a large amount of manpower and materials, it is to increase pumping station operation reliability and plant efficiency, reduces running maintenance cost, 5, reducing pumping plant energy consumption, this flap valve is than suspension type flap valve saves energy 22.5% in actual motion after tested, 6, flap valve and accessory thereof adopt stainless material, can not corrosion, its rubber sheet gasket is changed convenient, and sealing is reliable, product structure advantages of simple, it may also be useful to the life-span can reach more than 30 years, and easy to maintenance.
Summary of the invention
The technical problem that the present invention solves: its jack-up is needed the deficiency of consume electric power by the application for the dependence pumping for water pump impulse force of water pump flap in prior art, provide one and flap valve is installed on pump outlet bottom and the manufacture method of the automatic flap valve of the water pump not consuming electric energy.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of automatic flap valve of water pump, the flap valve comprising pump outlet and be arranged on water outlet, it is characterized in that, described pump outlet bottom is provided with bearing, balance arm is movably connected on bearing, balance arm upper end connects flap valve, and flap valve is fitted on water outlet, and the lower end of balance arm connects balance weight body by counterweight web member.
Further, described flap valve is provided with pad, and described pad is the annular pad coordinating water outlet, and described annular pad is provided with two annular protrusions, being provided with annular recesses between described two annular protrusions, described groove coordinates closely with water outlet front end tube wall.
Further, described water outlet is set to tilt the mouth of a river, and its angle of inclination is 40-80 ��, it is preferable that, angle of inclination is 45 ��.
Further, described balance arm is provided with support, supports and is flexibly connected by axle with bearing.
Further, described flap valve is provided with ring gasket film trap, and described annular pad is arranged in ring gasket film trap.
Further, described balance weight body is metal or nonmetal spheroid or cuboid, it is preferable that, balance weight body adopts cast iron spheroid.
Further, described flap valve back side circle centre position is provided with flap valve web member, flap valve web member is provided with and connects hole, top 2-5cm distance in described connection hole is provided with gear sheet, this distance can ensure that flap valve has certain activity space, gear sheet can stop flap valve, and prevention flap valve is turned to below balance arm top or balance arm after opening.
Further, described pad is rubber material, and its groove coordinated with water outlet tube wall makes for adding magnetic in bipeltate, and pad adopts pressing plate to be fixed in supporting flap valve spacer groove.
The invention also discloses the manufacture method of the automatic flap valve of above-mentioned water pump, its feature comprises following technology and step:
1) flap valve is first made, flap valve is that steel plate makes, its diameter is greater than supporting pump outlet about 10cm, namely periphery respectively protrudes effluent pipe mouth outer wall about 5cm, arranging spacer groove at itself and pump outlet contact surface, be fixed in this spacer groove by ring-shaped rubber pad, at the flap valve back side, circle centre position arranges flap valve web member, flap valve web member is provided with and connects hole, and the top 3-5cm distance in described connection hole arranges gear sheet;
2) pump outlet make: being set to tilt the mouth of a river by the water pump water outlet mouth of pipe, its angle of inclination is 40-80 ��, it is preferable that angle of inclination be 45 ��, pump outlet bottom tube wall arranges bearing, bearing be provided with connect hole;
3) balance arm makes: balance arm is rectangle, in balance arm bottom 3/4, place is fixedly installed support, and support is provided with and connects hole, is movably connected on bearing with axle, arrange at balance arm top distance top 5-10cm and connect hole, be movably connected on the connection hole of flap valve web member with axle; Under balance arm, end arranges active connection, arranges counterweight web member on active connection, and under counterweight web member, end arranges balance weight body;
4) balance weight body makes: balance weight body is the spheroplast of cast iron casting, weld a rectangular steel pipe at an upper portion thereof as the counterweight web member connecting active connection, arranging active connection on counterweight web member top, active connection is flexibly connected by the lower end of axle and balance arm;
5) pad makes: the pad described in step 1 is that rubber note is made, and described annular recesses adopts softer bipeltate, adds magnetic and makes, be fixed in supporting flap valve spacer groove by pad with pressing plate in bipeltate;
6) application of flap valve: when opening water pump, current wash the flap valve outside water outlet open, flap valve lies in water outlet bottom, the balance weight body at balance arm rear portion and anterior flap valve are front and back equilibrium state in support, bearing junction, flap valve does not affect water outlet, water outlet do not had resistance, water pump stops pumping, close on water outlet owing to the effect of backwater power makes flap valve automatically lift, the front end tube wall of water outlet fits tightly with the ring-shaped rubber pad groove being arranged on flap valve, avoids water to reflux along pipeline.
The invention also discloses the constructional method of the automatic flap valve of above-mentioned water pump, its feature comprises following technology and step:
1) installation installing same conventional water pump of water pump, the water pump water outlet mouth of pipe installed is set to the water outlet that top tilts forward, and its angle of inclination is 40-80 ��, it is preferable that angle of inclination be 45 ��, arranging bearing on the tube wall of pump outlet bottom, bearing is provided with and connects hole;
2) the connection hole of bearing is flexibly connected with axle with the connection hole of the support on balance arm;
3) by the connection hole of flap valve web member, flap valve being arranged on balance arm front end with axle, flap valve is provided with pad, and pad is provided with groove;
4) active connection is connected to balance arm rear end by axle, is provided with counterweight web member in active connection bottom, and under counterweight web member, end is connected with spherical weights body;
5) after above-mentioned 4 steps set, flap valve is fitted on water outlet, when opening water pump, current wash the flap valve outside water outlet open, flap valve lies in water outlet bottom, the balance weight body at balance arm rear portion and anterior flap valve are front and back equilibrium state in support, bearing junction, flap valve does not affect water outlet, water outlet do not had resistance, water pump stops pumping, closing on water outlet owing to the effect of backwater power makes flap valve automatically lift, the front end tube wall of water outlet fits tightly with the ring-shaped rubber pad groove being arranged on flap valve, avoids water to reflux along pipeline.
Useful effect
The present invention has following technique effect after adopting above technical scheme: in device of the present invention, flap valve is arranged on pump outlet bottom, when pump working, flap valve is opened under water impact force action, lie in water outlet bottom, therefore water outlet resistance is less, water pump stops pumping, owing to right-hand member moment is bigger and the effect of backwater pulling force makes flap valve automatically lift to close on water outlet, the tube wall of water outlet fits tightly with the ring-shaped rubber pad groove being arranged on flap valve, particularly it is added with pad and the groove of magnetic, can be tightr with water outlet absorption, water is avoided to reflux along pipeline, compared with prior art, the present invention can saves energy.
Accompanying drawing explanation
Fig. 1 is the closed state side structure schematic diagram of the automatic flap valve of water pump of the present invention;
Fig. 2 is the left view structural representation of Fig. 1;
Fig. 3 is the perspective view of Fig. 2;
The flap valve that Fig. 4 is Fig. 1 opens status architecture schematic diagram;
The flap valve that Fig. 5 is Fig. 4 opens state perspective view;
Fig. 6 is that flap valve closes rearward recess and water outlet front end tube wall bonding state structural representation;
Fig. 7 is that flap valve opens equilibrium state flap valve web member place perspective view, it is seen that the baffle structure on flap valve connection piece.
Wherein, 1-water outlet, 2-pad, 3-flap valve, 4-flap valve web member, 5-balance arm, 6-bearing, 7-axle, 8-supports, and 9-active connection, 10-counterweight web member, 11-balance weight body, 21-groove, 31-spacer groove, 41-keeps off sheet.
Embodiment
For making the object of the application and technical scheme clearly, below in conjunction with accompanying drawing, the technical scheme of the application is clearly and completely described. Described embodiment is a part of embodiment of the application; instead of whole embodiments; based on the embodiment of described the application, other embodiments all that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belong to the scope of the application's protection.
Embodiment 1: with reference to accompanying drawing, a kind of automatic flap valve of water pump, the flap valve 3 comprising pump outlet 1 and be arranged on water outlet, described pump outlet 1 bottom is provided with bearing 6, balance arm 5 is movably connected on bearing 6, and balance arm 5 upper end connects flap valve 3, and flap valve 3 is blocked on water outlet 1, balance arm 5 times ends are provided with counterweight web member 10, and counterweight web member 10 connects balance weight body 11.
Further, described flap valve 3 is provided with pad 2, and described pad 2 is annular pad, and described annular pad is provided with two annular protrusions, is provided with groove 21 between described two annular protrusions, and described groove 21 coordinates closely with water outlet 1 front end tube wall.
Further, described water outlet 1 is set to tilt the water surface, and its angle of inclination is 40-80 ��, it is preferable that, angle of inclination is 45 ��.
Preferably, described balance arm 5 is provided with support 8, supports 8 and is flexibly connected by axle 7 with bearing 6.
Preferably, described flap valve 3 is provided with ring gasket film trap 31, and pad 2 is arranged in ring gasket film trap 31.
Further, described balance weight body 11 is metal or nonmetal spheroid or cuboid, it is preferable that, balance weight body 11 is ball type cast iron.
Further, described flap valve 3 back side circle centre position is provided with flap valve web member 4, flap valve web member 4 is provided with and connects hole, top 2-5cm distance in described connection hole is provided with gear sheet 41, this distance can ensure that flap valve 3 has certain activity space, gear sheet 41 can stop flap valve 3, and prevention flap valve 3 is turned to below balance arm 5 top or balance arm 5 after opening.
Further, described pad 2 is rubber material, the groove 21 that it coordinates with water outlet 1 front end tube wall is latex material, adopt softer material, can ensure that groove 21 and water outlet 1 are fitted tightr, it is preferable that, described pad 2 adds magnetic material for rubber, groove 21 adds magnetic material for latex, and magnetic pad 2 and groove 21 can better be adsorbed on the water outlet 1 of iron and steel material quality; Pad 2 adopts to be adhesively fixed and fixes in supporting flap valve spacer groove 31.
The present embodiment also discloses the manufacture method of the automatic flap valve of a kind of water pump, the flap valve 3 comprising pump outlet 1 and being arranged on water outlet 1, and its feature comprises following technology and step:
1) flap valve 3 is first made, flap valve 3 is steel plate making, its diameter is greater than supporting pump outlet about 10cm, namely flap valve 3 all protrude outside about the 5cm of water outlet 1 tube wall up and down, arranging spacer groove 31 at itself and pump outlet 1 contact surface, be fixed on by ring-shaped rubber pad 2 in this spacer groove 31, at flap valve 3 back side, circle centre position arranges flap valve web member 4, flap valve web member 4 is provided with and connects hole, and the top 2-5cm distance in described connection hole arranges gear sheet 41;
2) being set to tilt the mouth of a river 1 by the water pump water outlet mouth of pipe, its angle of inclination is 40-80 ��, it is preferable that angle of inclination be 45 ��, pump outlet 1 bottom tube wall arranges bearing 6, bearing 6 be provided with connect hole;
3) balance arm makes: balance arm 5 is rectangle, in balance arm 5 bottom 3/4, place arranges support 8, supports 8 and is provided with connection hole, is movably connected on bearing 6 with axle 7, arrange at distance 5-10cm place, top, balance arm 5 top and connect hole, be movably connected on flap valve web member 4 with axle 7; Active connection 9 is set at balance arm 5 times ends, active connection 9 arranges counterweight web member 10, balance weight body 11 is set at counterweight web member 10 times ends;
4) balance weight body makes: the spheroplast that balance weight body 11 is cast for cast iron, weld a rectangular steel pipe at an upper portion thereof as the counterweight web member 10 connecting active connection 9, arranging active connection on counterweight web member 10 top, active connection 9 is flexibly connected by axle 7 and balance arm 5 times ends;
5) pad makes: the pad 2 described in step 1 is noted for rubber and made, and described annular recesses 21 adopts softer bipeltate, adds magnetic and makes, be fixed in supporting flap valve spacer groove 31 by pad 2 with pressing plate in bipeltate;
6) application of flap valve: when opening water pump, current wash the flap valve 3 outside water outlet 1 open, flap valve 3 lies in water outlet 1 bottom, the balance weight body 11 at balance arm 5 rear portion is front and back equilibrium state with anterior flap valve 3 in bearing 6 junction, flap valve 3 does not affect water outlet 1, less to going out water resistance, water pump stops pumping, close on the tube wall of water outlet 1 front end owing to the effect of backwater power makes flap valve 3 automatically lift, the tube wall of water outlet 1 fits tightly with ring-shaped rubber pad 2 groove 21 being arranged on flap valve 3, avoids water to reflux along pipeline.
The present embodiment also discloses the constructional method of the automatic flap valve of a kind of water pump, and its feature comprises following technology and step:
1) installation installing same conventional water pump of irrigation and drainage water pump, the water pump water outlet mouth of pipe installed is set to the water outlet 1 that top tilts forward, and its angle of inclination is 40-80 ��, it is preferable that angle of inclination be 45 ��, arranging bearing 6 on the tube wall of pump outlet 1 bottom, bearing 6 is provided with and connects hole;
2) the connection hole in the connection hole of bearing 6 with the support 8 on balance arm 5 is flexibly connected with axle 7;
3) by the connection hole of flap valve web member 4, flap valve 3 being arranged on balance arm 5 front end with axle 7, flap valve 3 is provided with pad 2, and pad 2 is provided with groove 21;
4) active connection 9 is connected to balance arm 5 rear end by axle 7, is provided with counterweight web member 10 in active connection 9 bottom, is connected with spherical weights body 11 at counterweight web member 10 times ends;
5) after above-mentioned 4 steps set, flap valve 3 is fitted on water outlet 1, when opening water pump, current wash the flap valve 3 outside water outlet 1 open, flap valve 3 lies in water outlet 1 bottom, the balance weight body 11 at balance arm 5 rear portion and anterior flap valve 3 are in support 8, bearing 6 junction is front and back equilibrium state, flap valve 3 does not affect water outlet, water outlet do not had resistance, water pump stops pumping, close on water outlet 1 owing to the effect of backwater power makes flap valve 3 automatically lift, the front end tube wall of water outlet 1 fits tightly with the ring-shaped rubber pad groove 21 being arranged on flap valve 3, water is avoided to reflux along pipeline.
Above-described embodiment balance arm, arm of force length, flap valve, counterweight be respectively: supporting 8 front portions is 60 centimeters, supporting 8 rear portions is 20 centimeters, flap valve 3 quality is 20 kilograms, supporting 8 anterior balance arm 5 quality is 3 kilograms, and supporting 8 rear portion balance arm 5 quality is 1 kilogram, and balance weight body 11 quality is 64.5 kilograms, water pump water outlet actinal surface and horizontal plane angle are 45 ��, left side moment is M1, and right side moment is M2, and the impact that the buoyancy of equipment frictional force, water and current revolve nest is disregarded.
When drawing water, balance arm 5 is in horizontality, two end moments are:
M1=20*9.8*0.6+3*9.8*0.3=126.42 ox rice
M2=64.5*9.8*0.2+1*9.8*0.1=127.40 ox rice
Because two end moments are more or less the same, so flap valve is less on the head impact of water pump water outlet.
When water pump is cut off the water, owing to right-hand member moment is bigger and the effect of backwater pulling force makes flap valve 3 automatically be combined on pump line water outlet 1, at this moment balance arm supports the moment at 8 two ends and is:
M1=20*9.8*0.30+3*9.8*0.15=63.21 ox rice
M2=64.5*9.8*0.1+1*9.8*0.05=63.70 ox rice
Right-hand member moment is greater than left end moment, so flap valve is in stable closed state after closing.
In order to regulate right-hand member moment size, weighted spherical ball type cast iron can left and right fine setting on balance arm. Because Model of pump is different, water outlet size is also different, it is possible to according to above-described embodiment, the size of automatic flap valve and weight are done corresponding adjustment.
It can be appreciated that unless otherwise defined, all terms used herein, comprise technical term and scientific terminology to those skilled in the art of the present technique, have the meaning identical with the general understanding of the those of ordinary skill in the application's art. It should be further understood that those terms of definition should be understood to have the meaning consistent with the meaning in the context of prior art in such as general dictionary, and unless defined as here, can not explain by idealized or too formal implication.
The implication of " inside and outside " described in the application refers to for equipment itself, point to device interior direction be in, otherwise be outward.
The implication of " connection " described in the application can be the direct connection between parts can also be by the indirect connection of other parts between parts.
Taking the above-mentioned desirable embodiment according to the application as enlightenment, by above-mentioned description, relevant staff in the scope not deviateing this application technological thought, can carry out various change and amendment completely. The content that the technical scope of this application is not limited on specification sheets, it is necessary to determine its technical scope according to right.
Claims (1)
1. the manufacture method of the automatic flap valve of water pump, the flap valve comprising pump outlet and be arranged on water outlet, described pump outlet bottom is provided with bearing, balance arm is movably connected on bearing, balance arm upper end connects flap valve, flap valve is fitted on water outlet, and the lower end of balance arm connects balance weight body by counterweight web member;
It is characterized in that the manufacture method of the automatic flap valve of described water pump, comprise the steps:
1) flap valve is first made, flap valve is that steel plate makes, its diameter is greater than supporting pump outlet about 10cm, namely periphery respectively protrudes effluent pipe mouth outer wall about 5cm, arranging spacer groove at itself and pump outlet contact surface, be fixed in this spacer groove by ring-shaped rubber pad, at the flap valve back side, circle centre position arranges flap valve web member, flap valve web member is provided with and connects hole, and the top 3-5cm distance in described connection hole arranges gear sheet;
2) pump outlet makes: being set to tilt the mouth of a river by the water pump water outlet mouth of pipe, its angle of inclination is 40-80 ��, arranges bearing on the tube wall of pump outlet bottom, and bearing is provided with and connects hole;
3) balance arm makes: balance arm is rectangle, in balance arm bottom 3/4, place is fixedly installed support, and support is provided with and connects hole, is movably connected on bearing with axle, arrange at balance arm top distance top 5-10cm and connect hole, be movably connected on the connection hole of flap valve web member with axle; Under balance arm, end arranges active connection, arranges counterweight web member on active connection, and under counterweight web member, end arranges balance weight body;
4) balance weight body makes: balance weight body is the spheroplast of cast iron casting, weld a rectangular steel pipe at an upper portion thereof as the counterweight web member connecting active connection, arranging active connection on counterweight web member top, active connection is flexibly connected by the lower end of axle and balance arm;
5) pad makes: the pad described in step 1 is that rubber note is made, and described annular recesses adopts softer bipeltate, adds magnetic and makes, be fixed in supporting flap valve spacer groove by pad with pressing plate in bipeltate;
6) application of flap valve: when opening water pump, current wash the flap valve outside water outlet open, flap valve lies in water outlet bottom, the balance weight body at balance arm rear portion and anterior flap valve are front and back equilibrium state in support, bearing junction, flap valve does not affect water outlet, water outlet do not had resistance, water pump stops pumping, close on water outlet owing to the effect of backwater power makes flap valve automatically lift, the front end tube wall of water outlet fits tightly with the ring-shaped rubber pad groove being arranged on flap valve, avoids water to reflux along pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021970.0A CN105626508B (en) | 2015-03-05 | 2015-03-05 | The manufacturing method of the automatic flap valve of water pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021970.0A CN105626508B (en) | 2015-03-05 | 2015-03-05 | The manufacturing method of the automatic flap valve of water pump |
| CN201510098171.7A CN104674775B (en) | 2015-03-05 | 2015-03-05 | The automatic flap valve of irrigation and drainage water pump and its manufacture and construction method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510098171.7A Division CN104674775B (en) | 2015-03-05 | 2015-03-05 | The automatic flap valve of irrigation and drainage water pump and its manufacture and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626508A true CN105626508A (en) | 2016-06-01 |
| CN105626508B CN105626508B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610510916.0A Expired - Fee Related CN106149648B (en) | 2015-03-05 | 2015-03-05 | A kind of construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201510098171.7A Expired - Fee Related CN104674775B (en) | 2015-03-05 | 2015-03-05 | The automatic flap valve of irrigation and drainage water pump and its manufacture and construction method |
| CN201610511166.9A Active CN106121997B (en) | 2015-03-05 | 2015-03-05 | The construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201511023929.7A Active CN105422434B (en) | 2015-03-05 | 2015-03-05 | The manufacture method of the automatic flap valve of irrigation and drainage water pump |
| CN201511018863.2A Expired - Fee Related CN105545722B (en) | 2015-03-05 | 2015-03-05 | The construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201511019601.8A Expired - Fee Related CN105568941B (en) | 2015-03-05 | 2015-03-05 | A kind of manufacturing method of the automatic flap valve of irrigation and drainage water pump |
| CN201511021970.0A Expired - Fee Related CN105626508B (en) | 2015-03-05 | 2015-03-05 | The manufacturing method of the automatic flap valve of water pump |
| CN201610511152.7A Active CN106120681B (en) | 2015-03-05 | 2015-03-05 | A kind of construction method of the automatic flap valve of water pump |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610510916.0A Expired - Fee Related CN106149648B (en) | 2015-03-05 | 2015-03-05 | A kind of construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201510098171.7A Expired - Fee Related CN104674775B (en) | 2015-03-05 | 2015-03-05 | The automatic flap valve of irrigation and drainage water pump and its manufacture and construction method |
| CN201610511166.9A Active CN106121997B (en) | 2015-03-05 | 2015-03-05 | The construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201511023929.7A Active CN105422434B (en) | 2015-03-05 | 2015-03-05 | The manufacture method of the automatic flap valve of irrigation and drainage water pump |
| CN201511018863.2A Expired - Fee Related CN105545722B (en) | 2015-03-05 | 2015-03-05 | The construction method of the automatic flap valve of irrigation and drainage water pump |
| CN201511019601.8A Expired - Fee Related CN105568941B (en) | 2015-03-05 | 2015-03-05 | A kind of manufacturing method of the automatic flap valve of irrigation and drainage water pump |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610511152.7A Active CN106120681B (en) | 2015-03-05 | 2015-03-05 | A kind of construction method of the automatic flap valve of water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568941A (en) * | 2015-03-05 | 2016-05-11 | 苏州多固工程设计有限公司 | Manufacturing method for automatic flap valve of irrigation and drainage water pump |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750922A (en) * | 2017-12-19 | 2018-03-06 | 运城清海科技有限公司 | A kind of plant preserves the non-return valve of blue or green tank |
| CN110453651A (en) * | 2019-09-10 | 2019-11-15 | 扬州大学 | A kind of butterfly valve type flap valve and its application method for reversible passage |
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- 2015-03-05 CN CN201610511166.9A patent/CN106121997B/en active Active
- 2015-03-05 CN CN201511023929.7A patent/CN105422434B/en active Active
- 2015-03-05 CN CN201511018863.2A patent/CN105545722B/en not_active Expired - Fee Related
- 2015-03-05 CN CN201511019601.8A patent/CN105568941B/en not_active Expired - Fee Related
- 2015-03-05 CN CN201511021970.0A patent/CN105626508B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105568941A (en) * | 2015-03-05 | 2016-05-11 | 苏州多固工程设计有限公司 | Manufacturing method for automatic flap valve of irrigation and drainage water pump |
| CN105568941B (en) * | 2015-03-05 | 2018-07-20 | 佛山市南海南源水利水电勘测设计院有限公司 | A kind of manufacturing method of the automatic flap valve of irrigation and drainage water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105545722B (en) | 2018-03-23 |
| CN105626508B (en) | 2018-05-18 |
| CN106121997B (en) | 2018-11-13 |
| CN105545722A (en) | 2016-05-04 |
| CN105422434B (en) | 2018-05-11 |
| CN105422434A (en) | 2016-03-23 |
| CN106149648B (en) | 2018-12-14 |
| CN106120681A (en) | 2016-11-16 |
| CN106120681B (en) | 2018-12-07 |
| CN104674775A (en) | 2015-06-03 |
| CN106121997A (en) | 2016-11-16 |
| CN106149648A (en) | 2016-11-23 |
| CN105568941A (en) | 2016-05-11 |
| CN104674775B (en) | 2017-08-25 |
| CN105568941B (en) | 2018-07-20 |
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