CN108331947A - The one-way conduction valve of one-way conduction component and its composition - Google Patents
The one-way conduction valve of one-way conduction component and its composition Download PDFInfo
- Publication number
- CN108331947A CN108331947A CN201810293583.XA CN201810293583A CN108331947A CN 108331947 A CN108331947 A CN 108331947A CN 201810293583 A CN201810293583 A CN 201810293583A CN 108331947 A CN108331947 A CN 108331947A
- Authority
- CN
- China
- Prior art keywords
- way conduction
- valve body
- wall
- component
- open end
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title description 5
- 230000008676 import Effects 0.000 claims description 26
- 229920006324 polyoxymethylene Polymers 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000639 Spring steel Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
-
- 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
- F16K15/14—Check valves with flexible valve members
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of one-way conduction components to include:One-way conduction end and the open end opposite with the one-way conduction end, the one-way conduction end are in flat, and the one-way conduction component internal is formed with cavity, and the cavity is formed in the open end and is open;The one-way conduction component is gradually closed from the open end to the one-way conduction end, and limit assembly is arranged in one-way conduction end end face.It can ensure that one-way conduction component has the effect of better anti-backflow.Again since one-way conduction end end face is formed with limit assembly, therefore when fluid flow to one-way conduction end from open end is opened the normally closed flat crack at one-way conduction end by Fluid pressure, the size of flat crack opening, the further flow limited through valve can be limited by limit assembly.
Description
Technical field
The present invention relates to fluid control technology fields, are led more particularly to a kind of one-way conduction component and its unidirectional of composition
Port valve.
Background technology
Windscreen wiper system is the safety device of automobile indispensability, it can timely remove the sleet on vehicle window in rain and snow,
Or timely remove the muddy water being splashed on vehicle window when driving on muddy road, ensure the sight of driver, further really
Protect the safety of vehicle traveling.Windscreen wiper system is mainly by washing liquid tank, water pump, motor, cleaning solution pipeline, nozzle and traditional rain
The compositions such as curette.Driver controls windscreen wiper system by interior control device, can timely be cleaned to vehicle window.
In current traditional technology, water pump and rain shaving electrical machine start simultaneously, but due to water pump between nozzle also
It is connected with cleaning solution pipeline, so cleaning solution will be more late than the time that windscreen wiper moves by nozzle arrival front windshield.It can make
At the damage of wiper and front windshield.Therefore it just needs that check-valves is arranged between washing liquid tank and cleaning solution pipeline,
Washing liquid energy is set to reach front windshield by nozzle in time.Currently used check-valves is:Spring steel ball check valve.
In above-mentioned traditional technology carries out the technical solution of one-way conduction using spring steel ball check valve.Spring steel ball is unidirectional
Valve will appear in use:Noise is excessive, the defects of preventing reflowing result bad.
Invention content
Based on this, it is necessary to which, prevent reflowing result bad the defects of excessive for spring steel ball check valve noise provides one
The one-way conduction valve of kind one-way conduction component and its composition.
The present invention provides a kind of one-way conduction components to include:One-way conduction end and opposite with the one-way conduction end
Open end, the one-way conduction end are in flat, and the one-way conduction component internal is formed with cavity, and the cavity is opened described
Mouth end forms opening;The one-way conduction component is gradually closed from the open end to the one-way conduction end, described unidirectionally to lead
Limit assembly is arranged in go side end face.
Further, one end to the other end flat along the one-way conduction end is formed with normally closed flat crack.
Further, the limit assembly is the confined planes extended outward to form along one-way conduction end end face.
Further, the limit assembly is the limit parallel with the open end end face formed along one-way conduction end end face
Plane.
Further, the one-way conduction component is made of silicon rubber.
The present invention also provides a kind of one-way conduction valves to include:Any of the above-described kind of one-way conduction component, import valve body and
Export valve body;The import valve body, including input end, the first connecting pin and fixed part, the fixed part connect described first
It is circumferentially arranged to connect end outer wall;The outlet valve body, including outlet end and second connection end;The one-way conduction component setting
In in the outlet valve body, and the one-way conduction end is close to the outlet end, the open end close to the second connection end,
The open end is connect with the outlet valve body second connection end inner wall;First connecting pin of the import valve body stretches into described
In two connecting pins, the fixed part is connect against the open end, the fixed part with the second connection end inner wall, and described
One connecting pin extends in the open end.
Further, the confined planes peripheral surface of the one-way conduction component and the second connection end inner wall shape size
Match.
Further, the open end outer wall of the one-way conduction component and the second connection end inner wall shape size phase
Match;The fixed part outer wall matches with the second connection end inner wall shape size.
Further, the import valve body is made of polyformaldehyde;And/or the import valve body is made of polyformaldehyde.
Further, the input end outer wall is provided with the first clamping portion;The outlet end outer wall is provided with the second clamping
Portion.
The present invention passes through fluid pressure by the way that one-way conduction component is arranged when fluid flow to one-way conduction end from open end
Power opens the normally closed flat crack at one-way conduction end, and fluid passes through one-way conduction component.When fluid is flowed to from one-way conduction end
When open end, since normally closed flat crack is in normally off, fluid can not pass through one-way conduction component.Therefore it can ensure list
There is the effect of better anti-backflow to feed-through assembly.Again since one-way conduction end end face is formed with limit assembly, when stream
Body flow to one-way conduction end from open end when being opened the normally closed flat crack at one-way conduction end by Fluid pressure, can pass through
Limit assembly limits the size of flat crack opening, the further flow limited through valve.The one-way conduction valve of the present invention
It is provided with one-way conduction component, import valve body and outlet valve body, since one-way conduction component is made of silicon rubber, import valve body
And outlet valve body is made of polyformaldehyde, therefore can achieve the effect that high temperature resistant, high pressure resistant, low noise, long lifespan.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of one-way conduction component provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of one-way conduction valve provided in an embodiment of the present invention.
Reference numeral:100 it is one-way conduction component, 110 be one-way conduction end, 120 be open end, 130 is cavity, 140
It is normally closed flat crack for limit assembly, 150,200 be import valve body, 210 be input end, 220 be the first connecting pin, 230 is
Fixed part, 300 be outlet valve body, 310 be outlet end, 320 be second connection end.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Include open end and one-way conduction end, one-way conduction end the embodiment of the invention discloses a kind of one-way conduction component
It is normally closed, when fluid is flowed into from open end, so that one-way conduction end is opened the pressure at one-way conduction end by fluid, fluid passes through.
When fluid is flowed through from one-way conduction end, since one-way conduction end is normally closed, fluid can not pass through.Such structure makes list
There is the effect of better anti-backflow to feed-through assembly.And one-way conduction end is provided with limit assembly, for when fluid from
Open end flows into the openings of sizes that one-way conduction end is limited after making one-way conduction end open, and prevents from being used in valve when one-way conduction component
Due to the excessive damage valve of the ambassador's Fluid pressure that was open when in door.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of one-way conduction component provided in an embodiment of the present invention.
As shown in Figure 1, a kind of one-way conduction component includes:One-way conduction end 110 and with 110 phase of one-way conduction end
The open end 120 of the back of the body, the one-way conduction end 110 are in flat, and cavity 130 is formed with inside the one-way conduction component 100,
The cavity 130 is formed in the open end 120 and is open;The one-way conduction component 100 is from the open end 120 to the list
It is gradually closed to conduction terminal 110, limit assembly 140 is arranged in 110 end face of one-way conduction end.
Specifically, one-way conduction component 100 includes one-way conduction end 110 and open end 120, one-way conduction end 110 is flat
Flat-shaped one end to the other end is formed with normally closed flat crack 150.Normally closed flat crack 150 is from open end 120 to unidirectionally leading
Go side 110 is gradually closed and is formed.Closed state is under normally closed 150 normality of flat crack, for preventing fluid from one-way conduction
End 110 flows to open end 120.When external fluid is accessed in open end 120, fluid enters one-way conduction component by open end 120
100 internal cavities 130.Since normally closed flat crack 150 is gradually to be closed to be formed from open end 120 to one-way conduction end 110,
Therefore when entering fluid in cavity 130, fluid forms pressure to 100 inner wall of one-way conduction component, makes one-way conduction end 110
Normally closed flat crack 150 is opened, and fluid flows through one-way conduction component 100.When external fluid is accessed at one-way conduction end 110, stream
Body to 110 outer wall of one-way conduction end formed pressure, make one-way conduction end 110 normally closed flat crack 150 be closed more closely, from
And achieve the purpose that one-way conduction, prevent fluid reflux.110 end face of one-way conduction end is additionally provided with limit assembly 140, the limit
Hyte part 140 is the confined planes extended outward to form along 110 end face of one-way conduction end, and more specifically, the limit assembly 140 is
The confined planes parallel with 120 end face of the open end formed along 110 end face of one-way conduction end.Limit assembly 140 of the present invention
Confined planes need to be formed, the direction of confined planes are not specifically limited.The limit assembly 140 is used to work as fluid from open end
120 enter 100 cavity 130 of one-way conduction component, and forming pressure to 110 inner wall of one-way conduction end makes the normal of one-way conduction end 110
It closes when flat crack 150 is opened and limits the openings of sizes opened, prevent when one-way conduction component 100 is used in valve due to opening
The excessive damage valve of ambassador's Fluid pressure of making a slip of the tongue.The limit assembly 140 is additionally operable to by external device (ED) against making normally closed flat folder
Seam 150 be closed more closely, when fluid to 110 inner wall pressure of one-way conduction end is 0.1bar-0.4bar when normally closed flat crack
150 open;When preventing fluid too small to 110 inner wall pressure of one-way conduction end, normally closed flat crack 150 is made to open.It is described unidirectional
Feed-through assembly 100 is made of silicon rubber.
Referring to Fig. 2, Fig. 2 is a kind of structural schematic diagram of one-way conduction valve provided in an embodiment of the present invention.
As shown in Fig. 2, a kind of one-way conduction valve, one-way conduction component 100, import valve body 200 described in any of the above-described kind
And outlet valve body 300;The import valve body 200, including input end 210, the first connecting pin 220 and fixed part 230, it is described
Fixed part 230 is circumferentially arranged in 220 outer wall of the first connecting pin;The outlet valve body 300, including outlet end 310 and
Second connection end 320;The one-way conduction component 100 is set in the outlet valve body 300, and the one-way conduction end 110
Close to the outlet end 310, the open end 120 is close to the second connection end 320, the open end 120 and the outlet
300 second connection end of valve body, 320 inner wall connects;The second connection end is stretched into first connecting pin 220 of the import valve body 200
In 320, the fixed part 230 connects against the open end 120, the fixed part 230 with 320 inner wall of the second connection end
It connects, first connecting pin 220 extends in the open end 120.
Specifically, one-way conduction valve is by setting import valve body 200 and exports valve body 300, by one-way conduction component 100
It is set in the outlet valve body 300, the going out close to outlet valve body 300 of one-way conduction end 110 of the one-way conduction component 100
Mouth end 310, the open end 120 of the one-way conduction component 100 is close to the second connection end 320 for exporting valve body 300.And by import
220 body of the first connecting pin of valve stretches into outlet 300 second connection end 320 of valve body, and the fixed part 230 of the import valve body 200 supports
By the open end 120 of the one-way conduction component 100, make import valve body 200, outlet valve body 300 and one-way conduction component 100
Between connection more closely.The cavity 130 of one-way conduction component 100 is stretched into 200 first connecting pin 220 of the import valve body
It is interior.Wherein, the 320 inner wall shape size phase of confined planes peripheral surface with the second connection end of the one-way conduction component 100
Matching;Specifically, 320 inner wall of the second connection end can be quadrangle, triangle or arbitrary irregular figure, only need to meet
The peripheral surface of confined planes is bonded completely with the inner wall of second connection end 320.The open end of the one-way conduction component 100
120 outer walls match with 320 inner wall shape size of the second connection end;Specifically, 320 inner wall of the second connection end can be with
For quadrangle, triangle or arbitrary irregular figure, it need to only meet 120 outer wall of open end and second of one-way conduction component 100
The inner wall of connecting pin 320 is bonded completely.230 outer wall of the fixed part and 320 inner wall shape size of the second connection end
Match;Specifically, 320 inner wall of the second connection end can be quadrangle, triangle or arbitrary irregular figure, need to only expire
230 outer wall of sufficient fixed part is bonded completely with the inner wall of second connection end 320.210 outer wall of the input end is provided with first
Clamping portion;310 outer wall of the outlet end is provided with the second clamping portion.First clamping portion and the second clamping portion are for connecting
Exterior line, the first clamping portion of 210 outer wall of input end setting, for connecting inlet pipeline;The of outlet end 310 outer wall setting
Two clamping portions, for connecting outlet pipeline.Wherein the inlet valve body 200 is made of polyformaldehyde;The import valve body 200 is poly-
Formaldehyde is made.One-way conduction component 100 uses silicone rubber material, import valve body 200 and outlet valve body 300 to use polyformaldehyde not
Peculiar smell is will produce, the air quality of use environment is improved, i.e., when one-way conduction valve is used for windscreen wiping system for automobile, can be improved
Automobile inner air quality.Also, one-way conduction component 100 uses silicone rubber material, import valve body 200 and outlet valve body 300
Using polyformaldehyde, lighter weight can preferably realize the lightweight of automobile.
For the one-way conduction valve of the present embodiment when carrying out relevant performance test, test result is as follows shown in table:
As seen from the above table, one-way conduction valve provided in this embodiment, the one-way conduction valve are connected with exterior line pairing
When, make the power that one-way conduction valve is detached from exterior line that should be more than 120N, and the present invention reaches mark through being actually measured as 170N
It is accurate.
The heat-resisting ability of the one-way conduction valve is to place to be more than 72 hours under 120 DEG C of hot environment.Experiment knot
Shu Hou, the one-way conduction valve crack-free phenomenon, reaches standard.
The one-way conduction valve is placed 12 hours under -40 DEG C of low temperature environment, then is placed under 80 DEG C of hot environment
12 hours, alternately 10 cycles, the one-way conduction valve reached standard without cracking and leakage phenomenon.
When one-way conduction valve is used for windscreen wiping system for automobile, opens 4 seconds and close 26 seconds in water pump, the endurance test that cycle is 8000 times
In, the one-way conduction valve is without cracking and leakage phenomenon.Specifically, 8000 four groups of cycles separately carried out successively of the cycle
Experiment, that is, first, 2000 cyclic tests are carried out under room temperature, then, 2000 cyclic tests of progress at 65 DEG C, then, -12
DEG C 2000 cyclic tests are carried out, finally, carries out 2000 cyclic tests under room temperature, the one-way conduction valve is without cracking and reveals
Phenomenon reaches standard.
The present invention passes through fluid pressure by the way that one-way conduction component is arranged when fluid flow to one-way conduction end from open end
Power opens the normally closed flat crack at one-way conduction end, and fluid passes through one-way conduction component.When fluid is flowed to from one-way conduction end
When open end, since normally closed flat crack is in normally off, fluid can not pass through one-way conduction component.Therefore it can ensure list
There is the effect of better anti-backflow to feed-through assembly.Again since one-way conduction end end face is formed with limit assembly, when stream
Body flow to one-way conduction end from open end when being opened the normally closed flat crack at one-way conduction end by Fluid pressure, can pass through
Limit assembly limits the size of flat crack opening, the further flow limited through valve.The one-way conduction valve of the present invention
It is provided with one-way conduction component, import valve body and outlet valve body, since one-way conduction component is made of silicon rubber, import valve body
And outlet valve body is made of polyformaldehyde, therefore can achieve the effect that high temperature resistant, high pressure resistant, low noise, long lifespan.Also,
When one-way conduction valve is connect with other pipelines, anticreep ability is good, improves the durability that other pipelines use;Further
Ground, polyformaldehyde and silicon rubber in the production and use process, not will produce pollution, and environmental-protecting performance is good.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of one-way conduction component, which is characterized in that including:
One-way conduction end and the open end opposite with the one-way conduction end, the one-way conduction end are in flat, the list
It is formed with cavity to conducting component internal, the cavity is formed in the open end and is open;The one-way conduction component is described in
Open end is gradually closed to the one-way conduction end, and limit assembly is arranged in one-way conduction end end face.
2. one-way conduction component according to claim 1, which is characterized in that
One end to the other end flat along the one-way conduction end is formed with normally closed flat crack.
3. one-way conduction component according to claim 1, which is characterized in that
The limit assembly is the confined planes extended outward to form along one-way conduction end end face.
4. one-way conduction component according to claim 3, which is characterized in that
The limit assembly is the confined planes parallel with the open end end face formed along one-way conduction end end face.
5. one-way conduction component according to claim 1, which is characterized in that
The one-way conduction component is made of silicon rubber.
6. a kind of one-way conduction valve, which is characterized in that including:Claim 1-5 any one of them one-way conductions component, import
Valve body and outlet valve body;
The import valve body, including input end, the first connecting pin and fixed part, the fixed part is outside first connecting pin
Wall is circumferentially arranged;
The outlet valve body, including outlet end and second connection end;
The one-way conduction component is set in the outlet valve body, and the one-way conduction end is close to the outlet end, described
Open end is connect close to the second connection end, the open end with the outlet valve body second connection end inner wall;The import
First connecting pin of valve body is stretched into the second connection end, and the fixed part is against the open end, the fixed part and institute
The connection of second connection end inner wall is stated, first connecting pin extends in the open end.
7. one-way conduction valve according to claim 6, which is characterized in that
The confined planes peripheral surface of the one-way conduction component matches with the second connection end inner wall shape size.
8. one-way conduction valve according to claim 6, which is characterized in that
The open end outer wall of the one-way conduction component matches with the second connection end inner wall shape size;
The fixed part outer wall matches with the second connection end inner wall shape size.
9. one-way conduction valve according to claim 6, which is characterized in that
The import valve body is made of polyformaldehyde;And/or
The import valve body is made of polyformaldehyde.
10. one-way conduction valve according to claim 6, which is characterized in that
The input end outer wall is provided with the first clamping portion;
The outlet end outer wall is provided with the second clamping portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810293583.XA CN108331947A (en) | 2018-03-30 | 2018-03-30 | The one-way conduction valve of one-way conduction component and its composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810293583.XA CN108331947A (en) | 2018-03-30 | 2018-03-30 | The one-way conduction valve of one-way conduction component and its composition |
Publications (1)
Publication Number | Publication Date |
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CN108331947A true CN108331947A (en) | 2018-07-27 |
Family
ID=62932803
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CN201810293583.XA Pending CN108331947A (en) | 2018-03-30 | 2018-03-30 | The one-way conduction valve of one-way conduction component and its composition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110904638A (en) * | 2018-09-18 | 2020-03-24 | 青岛海尔滚筒洗衣机有限公司 | Washing machine drainage noise reduction structure and washing machine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1189399A (en) * | 1967-08-05 | 1970-04-22 | Amis | Non-Return Valve |
US4948092A (en) * | 1990-03-07 | 1990-08-14 | Royce Medical Company | Combined check valve and fluid pressure relief valve |
US5010925A (en) * | 1990-04-09 | 1991-04-30 | Vernay Laboratories, Inc. | Normally closed duckbill valve assembly |
US20030032507A1 (en) * | 1999-10-14 | 2003-02-13 | Spalding Sports Worldwide, Inc. | Inflatable articles with self-contained inflation mechanism |
CN103210247A (en) * | 2010-07-08 | 2013-07-17 | 安海斯-布希英博有限公司 | Resilient closure for pressure driven dispensing container |
CN106321907A (en) * | 2015-07-03 | 2017-01-11 | 阿沃斯托技术公司 | Duckbill valve assembly |
CN208010987U (en) * | 2018-03-30 | 2018-10-26 | 宁波诗兰姆汽车零部件有限公司 | The one-way conduction valve of one-way conduction component and its composition |
-
2018
- 2018-03-30 CN CN201810293583.XA patent/CN108331947A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1189399A (en) * | 1967-08-05 | 1970-04-22 | Amis | Non-Return Valve |
US4948092A (en) * | 1990-03-07 | 1990-08-14 | Royce Medical Company | Combined check valve and fluid pressure relief valve |
US5010925A (en) * | 1990-04-09 | 1991-04-30 | Vernay Laboratories, Inc. | Normally closed duckbill valve assembly |
US20030032507A1 (en) * | 1999-10-14 | 2003-02-13 | Spalding Sports Worldwide, Inc. | Inflatable articles with self-contained inflation mechanism |
CN103210247A (en) * | 2010-07-08 | 2013-07-17 | 安海斯-布希英博有限公司 | Resilient closure for pressure driven dispensing container |
CN106321907A (en) * | 2015-07-03 | 2017-01-11 | 阿沃斯托技术公司 | Duckbill valve assembly |
CN208010987U (en) * | 2018-03-30 | 2018-10-26 | 宁波诗兰姆汽车零部件有限公司 | The one-way conduction valve of one-way conduction component and its composition |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110904638A (en) * | 2018-09-18 | 2020-03-24 | 青岛海尔滚筒洗衣机有限公司 | Washing machine drainage noise reduction structure and washing machine |
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