CN105526374A - Three-way valve for adjusting gas flow - Google Patents
Three-way valve for adjusting gas flow Download PDFInfo
- Publication number
- CN105526374A CN105526374A CN201610054537.5A CN201610054537A CN105526374A CN 105526374 A CN105526374 A CN 105526374A CN 201610054537 A CN201610054537 A CN 201610054537A CN 105526374 A CN105526374 A CN 105526374A
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- gas
- valve body
- gas connection
- diameter
- 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.)
- Granted
Links
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000168254 Siro Species 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting 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
- 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
- F16K3/22—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 sealing faces shaped as surfaces of solids of revolution
-
- 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
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- 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
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the field of valves, in particular to a three-way valve for adjusting gas flow. The three-way valve comprises a valve body internally provided with a valve cavity; a first hollow gas connector is formed on one side of the valve body; a second hollow gas connector is formed on the side, deviating from the first gas connector, of the valve body; an adjusting hole is formed in the position, between the first gas connector and the second gas connector, of the valve body and is detachably connected with an adjusting screw in a screwed mode; a gas flow channel is formed among the adjusting screw, the valve body, the first gas connector and the second gas connector; the adjusting screw comprises a handle part, a thread part and a guide part which are sequentially connected; the adjusting hole is sequentially divided into a guide hole matched with the guide part and a threaded hole matched with the thread part from inside to outside. The three-way valve is simple in structure, convenient to use, good in gas tightness, and capable of achieving stable and uniform gas exhausting and stable and reliable gas flow adjustment.
Description
Technical field
The present invention relates to valve field, particularly a kind of gas flow adjustment three-way valve.
Background technique
In liquid environment (such as fish pond, aquarium, Household aquarium, microorganism culture pond, treatment tank etc.), sometimes need to inflate (comprising oxygenation), gas is sent in liquid system, this kind of charger is called aerator, in aerator, usually need to use gas flow regulating valve, to control ventilation flow rate.
The gas flow regulating valve of prior art is all the aperture adopting valve block to carry out adjustments of gas pipeline, so as to regulating the gas flow of pipeline.
The gas flow of pipeline is regulated by these modulating valve, all there is airspeed changes too large, air motion direction shortcoming jumpy, the local resistance loss that these shortcomings cause pipe-line system is excessive, generally account for more than 10% of whole pipe-line system resistance, simultaneously because the change of modulating valve is nonlinear, therefore can not realize tolerance continually varying and regulate, give vent to anger uneven, cause gas flow to regulate unstable unreliable.
Summary of the invention
For solving the problem, the invention provides that a kind of structure is simple, easy to use, tightness is good, can realize that stable and uniform is given vent to anger, gas flow modification stability reliable gas flow adjustment three-way valve.
The technical solution adopted in the present invention is: gas flow adjustment three-way valve, the valve body of valve pocket is established in comprising, described valve body side forms the first gas connection of a hollow shape, the side that described valve body deviates from the first gas connection forms the second gas connection of a hollow shape, valve body is positioned in the middle of the first gas connection and the second gas connection and also forms an adjustment hole, described adjustment hole place is dismountable is bolted with an adjusting screw, described adjusting screw and valve body, first gas connection, air-flow path is formed between second gas connection, described adjusting screw comprises the handle portion connected successively, screw section and guide portion, described adjustment hole is divided into the pilot hole mated with guide portion and the tapped hole mated with screw section from inside to outside successively, and described pilot hole forms two boss be oppositely arranged near one end inwardly protruding of tapped hole, distance between two described boss is less than the diameter of adjusting screw guide portion.
Being improved to further technique scheme, the diameter of the handle portion of described adjusting screw is greater than the diameter of screw section, and the diameter of described screw section is greater than the diameter of guide portion, and described handle portion is cylindric, and side is provided with sawtooth; The diameter of the tapped hole of described adjustment hole is greater than the diameter of pilot hole.
Being improved to further technique scheme, in described valve body, the jointing place of the first gas connection, the second gas connection, adjustment hole three forms a catch for sealing adjusting screw.
Being improved to further technique scheme, described valve body, the first gas connection, the second gas connection, adjustment hole are formed in one.
Being improved to further technique scheme, described valve body and adjusting screw all adopt Low Density Polyethylene to make.
Beneficial effect of the present invention is:
1, on the one hand, the present invention adopts three-way valve structure, valve body, the first gas connection, be formed with air-flow path between the second gas connection and adjusting screw, wherein, gas can enter from the first gas connection, flow out from the second gas connection, also can enter from the second gas connection, flow out from the first gas connection, the length stretching into adjustment hole by adjusting screw regulates the size of air-flow path, thus the gas flow realizing three-way valve regulates, structure is simple, easy to use; Second aspect, the first gas connection and the second gas connection are oppositely arranged, and adjustment hole is positioned in the middle of the two in the direction of the air flow, make airflow channel structure symmetrical, realize evenly giving vent to anger; The third aspect, adjusting screw comprise connect successively handle portion, screw section and guide portion, adjustment hole is divided into the pilot hole mated with guide portion and the tapped hole mated with screw section from inside to outside successively, adjustment hole is connected with adjusting screw closely, therebetween can form sealing mechanism, contribute to the tightness increasing air-flow path, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow modification stability is reliable; Fourth aspect, pilot hole forms two boss be oppositely arranged near one end inwardly protruding of tapped hole, can through boss place when adjusting screw screws in adjustment hole from outside to inside, because the distance between two boss is less than the diameter of adjusting screw guide portion, adjusting screw can extrude boss and makes it that deformation occur and stretch into pilot hole inside, the boss occurred after deformation can be centered around adjusting screw outside closely, adjusting screw is connected with adjustment hole closely, the tightness of further increase air-flow path, prevent gas leakage, make gas flow regulate temperature reliable.
2, the diameter of the handle portion of adjusting screw is greater than the diameter of screw section, the diameter of screw section is greater than the diameter of guide portion, the diameter of the tapped hole of adjustment hole is greater than the diameter of pilot hole, the diameter of adjusting screw reduces successively, the diameter of adjustment hole also reduces accordingly successively, be convenient to position adjusting screw, guarantee in the insertion adjustment hole of its energy level, gap is there is between the adjusting screw preventing adjusting screw from tilting to cause and adjustment hole, avoid gas leakage, further increase the tightness of air-flow path, realize stable, evenly give vent to anger, and handle portion is cylindric, side is provided with sawtooth, the setting of sawtooth adds the friction of handle portion and hand, finger slippage when preventing from regulating, further increase the convenience that the present invention uses.
3, in valve body, the jointing place of the first gas connection, the second gas connection, adjustment hole three forms a catch for sealing adjusting screw, catch serves the effect of seal ring, contribute to the tightness increasing air-flow path, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable.
4, valve body, the first gas connection, the second gas connection, adjustment hole are formed in one, production and processing is simple, and the problem of the sealing difference that split type combination can be avoided to cause, contribute to the tightness increasing air-flow path, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable.
5, valve body and adjusting screw all adopt Low Density Polyethylene to make, Low Density Polyethylene, and namely LDPE molding processibility is good, stable in properties, there is certain elasticity, make to combine between valve body and adjusting screw tightr, contribute to the tightness increasing air-flow path, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable, LDPE also has winter hardiness simultaneously, can not shrink when the temperature decreases, the compact siro spinning technology between adjusting screw and adjustment hole can be kept.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation at another visual angle of the present invention;
Fig. 3 is the A place enlarged view in Fig. 1;
Fig. 4 is the structural representation of adjusting screw of the present invention;
Fig. 5 is the structural representation at another visual angle of adjusting screw of the present invention;
Fig. 6 is the structural representation that the present invention opens;
Fig. 7 is the structural representation that the present invention closes.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in FIG. 1 to 3, structural representation and the A place enlarged view of different visual angles of the present invention is respectively.
Gas flow regulates with three-way valve 100, establish the valve body 110 of valve pocket in comprising, the second gas connection 130 that side that the first gas connection 120 that valve body 110 side forms a hollow shape, valve body 110 deviate from the first gas connection 120 forms a hollow shape, valve body 110 be positioned in the middle of the first gas connection 120 and the second gas connection 130 and also form an adjustment hole 140, adjustment hole 140 place is dismountable is bolted with an adjusting screw 150, forms air-flow path 160 between adjusting screw 150 and valve body 110, first gas connection 120, second gas connection 130.
As shown in Fig. 4 ~ Fig. 5, be respectively the structural representation of adjusting screw different visual angles of the present invention.
Adjusting screw 150 comprise connect successively handle portion 151, screw section 152 and guide portion 153, adjustment hole 140 is divided into the pilot hole 142 mated with guide portion 153 and the tapped hole 141 mated with screw section 152 from inside to outside successively.And pilot hole 142 is less than the diameter of adjusting screw 150 guide portion 153 near one end inwardly protruding distance formed between two boss be oppositely arranged, 143, two boss 143 of tapped hole 141.
On the one hand, air-flow path 160 is formed between valve body 110, first gas connection 120, second gas connection 130 and adjusting screw 150, wherein, gas can enter from the first gas connection 120, flows out from the second gas connection 130, also can enter from the second gas connection 130,120 are flowed out from the first gas connection, the length stretching into adjustment hole 140 by adjusting screw 150 regulates the size of air-flow path 160, thus the gas flow realizing three-way valve 100 regulates, and structure is simple, easy to use, second aspect, the first gas connection 120 and the second gas connection 130 are oppositely arranged, and adjustment hole 140 is positioned in the middle of the two in the direction of the air flow, makes air-flow path 160 symmetrical configuration, realize evenly giving vent to anger, the third aspect, adjusting screw 150 comprise connect successively handle portion 151, screw section 152 and guide portion 153, adjustment hole 140 is divided into the pilot hole 142 mated with guide portion 153 and the tapped hole 141 mated with screw section 152 from inside to outside successively, adjustment hole 140 is connected with adjusting screw 150 closely, therebetween can form sealing mechanism, contribute to the tightness increasing air-flow path 160, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow modification stability is reliable, fourth aspect, pilot hole 142 forms two boss be oppositely arranged 143 near one end inwardly protruding of tapped hole 141, can through boss 143 place when adjusting screw 150 screws in adjustment hole 140 from outside to inside, because the distance between two boss 143 is less than the diameter of adjusting screw 150 guide portion 153, adjusting screw 150 can extrude boss 143 and makes it that deformation occur and stretch into pilot hole 142 inside, it is outside that the boss 143 occurred after deformation can be centered around adjusting screw 150 closely, adjusting screw 150 is connected with adjustment hole 140 closely, the tightness of further increase air-flow path 160, prevent gas leakage, gas flow is made to regulate temperature reliable.
The diameter of the handle portion 151 of adjusting screw 150 is greater than the diameter of screw section 152, the diameter of screw section 152 is greater than the diameter of guide portion 153, the diameter of the tapped hole 141 of adjustment hole 140 is greater than the diameter of pilot hole 142, the diameter of adjusting screw 150 reduces successively, the diameter of adjustment hole 140 also reduces accordingly successively, be convenient to position adjusting screw 150, guarantee in the insertion adjustment hole 140 of its energy level, gap is there is between the adjusting screw 150 preventing adjusting screw 150 from tilting to cause and adjustment hole 140, avoid gas leakage, further increase the tightness of air-flow path 160, realize stable, evenly give vent to anger, and handle portion 151 is in cylindric, side is provided with sawtooth, the setting of sawtooth adds the friction of handle portion 151 and hand, finger slippage when preventing from regulating, further increase the convenience that the present invention uses.
In valve body 110, the jointing place of the first gas connection 120, second gas connection 130, adjustment hole 140 three forms a catch 170 for sealing adjusting screw 150, catch 170 serves the effect of seal ring, contribute to the tightness increasing air-flow path 160, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable.
Valve body 110, first gas connection 120, second gas connection 130, adjustment hole 140 are formed in one, production and processing is simple, and the problem of the sealing difference that split type combination can be avoided to cause, contribute to the tightness increasing air-flow path 160, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable.
Valve body 110 and adjusting screw 150 all adopt Low Density Polyethylene to make, Low Density Polyethylene molding processibility is good, stable in properties, there is certain elasticity, make to combine between valve body 110 and adjusting screw 150 tightr, contribute to the tightness increasing air-flow path 160, prevent gas leakage, realize stablizing, evenly giving vent to anger, gas flow is regulated more reliable and more stable.LDPE also has winter hardiness simultaneously, can not shrink when the temperature decreases, can keep the compact siro spinning technology between adjusting screw 150 and adjustment hole 140.
Working principle of the present invention is:
As shown in Fig. 6 ~ Fig. 7, be respectively the structural representation that gas flow adjustment three-way valve of the present invention is in opening and closing state.
Suction tude is inserted the first gas connection 120 place of three-way valve 100, steam outlet pipe is inserted the second gas connection 130 place of three-way valve 100, adjusting screw 150 is bolted in adjustment hole 140, gas enters through suction tude in the air-flow path 160 formed between adjusting screw 150, valve body 110, first gas connection 120, second gas connection 130, then discharges through steam outlet pipe; In venting process, when needing to regulate gas flow, turning adjusting screw 150, when gas flow need increase, adjusting screw 150 can be screwed out, to increase the volume of air-flow path 160, when gas flow need reduce, adjusting screw 150 can be screwed in, to reduce the volume of air-flow path 160; When needs close gas flow adjustment with three-way valve 100, adjusting screw 150 is screwed in adjustment hole 140 completely, even if guide portion 153 snaps in pilot hole 142, make screw section 152 be bolted in tapped hole 141.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. gas flow adjustment three-way valve, it is characterized in that: the valve body establishing valve pocket in comprising, described valve body side forms the first gas connection of a hollow shape, the side that described valve body deviates from the first gas connection forms the second gas connection of a hollow shape, valve body is positioned in the middle of the first gas connection and the second gas connection and also forms an adjustment hole, described adjustment hole place is dismountable is bolted with an adjusting screw, described adjusting screw and valve body, first gas connection, air-flow path is formed between second gas connection, described adjusting screw comprises the handle portion connected successively, screw section and guide portion, described adjustment hole is divided into the pilot hole mated with guide portion and the tapped hole mated with screw section from inside to outside successively, and described pilot hole forms two boss be oppositely arranged near one end inwardly protruding of tapped hole, distance between two described boss is less than the diameter of adjusting screw guide portion.
2. gas flow adjustment three-way valve according to claim 1, it is characterized in that: the diameter of the handle portion of described adjusting screw is greater than the diameter of screw section, the diameter of described screw section is greater than the diameter of guide portion, and described handle portion is cylindric, and side is provided with sawtooth; The diameter of the tapped hole of described adjustment hole is greater than the diameter of pilot hole.
3. gas flow adjustment three-way valve according to claim 2, is characterized in that: in described valve body, the jointing place of the first gas connection, the second gas connection, adjustment hole three forms a catch for sealing adjusting screw.
4. gas flow adjustment three-way valve according to claim 3, is characterized in that: described valve body, the first gas connection, the second gas connection, adjustment hole are formed in one.
5. gas flow adjustment three-way valve according to claim 4, is characterized in that: described valve body and adjusting screw all adopt Low Density Polyethylene to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054537.5A CN105526374B (en) | 2016-01-27 | 2016-01-27 | Triple valve is used in gas flow adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054537.5A CN105526374B (en) | 2016-01-27 | 2016-01-27 | Triple valve is used in gas flow adjusting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526374A true CN105526374A (en) | 2016-04-27 |
| CN105526374B CN105526374B (en) | 2019-03-12 |
Family
ID=55768782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054537.5A Expired - Fee Related CN105526374B (en) | 2016-01-27 | 2016-01-27 | Triple valve is used in gas flow adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526374B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774077A (en) * | 2018-08-01 | 2018-11-09 | 四川中禾高科农牧设备科技有限公司 | A kind of organic fertilizer aeration valve |
| CN113294538A (en) * | 2021-05-11 | 2021-08-24 | 杭州利华科技有限公司 | Gas flow adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201723748U (en) * | 2010-06-07 | 2011-01-26 | 申科滑动轴承股份有限公司 | Valve rod oil drainage device for bearing |
| BRMU9102656U2 (en) * | 2011-10-13 | 2013-06-11 | Diego R Martins | constructive arrangement introduced in flow valve |
| BRMU9101206U2 (en) * | 2011-06-30 | 2014-02-04 | Torniplast Artefatos Plasticos Ltda | TUBULAR SHUTTER ELEMENT VALVE |
| CN203560480U (en) * | 2013-11-19 | 2014-04-23 | 浙江工贸职业技术学院 | Flow regulating valve |
| CN103775658A (en) * | 2012-10-23 | 2014-05-07 | 宜昌天通泵业有限公司 | Abrasion-resistant high-pressure valve |
| CN103867789A (en) * | 2012-12-11 | 2014-06-18 | 浙江三花股份有限公司 | Flow regulating valve |
| CN104235407A (en) * | 2014-08-30 | 2014-12-24 | 常州市海盈五金科技有限公司 | Sealing valve |
| CN204312712U (en) * | 2014-12-05 | 2015-05-06 | 宁波埃美柯铜阀门有限公司 | A kind of single handle single control washing water nozzle with adjusting screw |
| CN205479429U (en) * | 2016-01-27 | 2016-08-17 | 深圳市业鑫塑胶制品有限公司 | Gas flow adjusts and uses three -way valve |
-
2016
- 2016-01-27 CN CN201610054537.5A patent/CN105526374B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723748U (en) * | 2010-06-07 | 2011-01-26 | 申科滑动轴承股份有限公司 | Valve rod oil drainage device for bearing |
| BRMU9101206U2 (en) * | 2011-06-30 | 2014-02-04 | Torniplast Artefatos Plasticos Ltda | TUBULAR SHUTTER ELEMENT VALVE |
| BRMU9102656U2 (en) * | 2011-10-13 | 2013-06-11 | Diego R Martins | constructive arrangement introduced in flow valve |
| CN103775658A (en) * | 2012-10-23 | 2014-05-07 | 宜昌天通泵业有限公司 | Abrasion-resistant high-pressure valve |
| CN103867789A (en) * | 2012-12-11 | 2014-06-18 | 浙江三花股份有限公司 | Flow regulating valve |
| CN203560480U (en) * | 2013-11-19 | 2014-04-23 | 浙江工贸职业技术学院 | Flow regulating valve |
| CN104235407A (en) * | 2014-08-30 | 2014-12-24 | 常州市海盈五金科技有限公司 | Sealing valve |
| CN204312712U (en) * | 2014-12-05 | 2015-05-06 | 宁波埃美柯铜阀门有限公司 | A kind of single handle single control washing water nozzle with adjusting screw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774077A (en) * | 2018-08-01 | 2018-11-09 | 四川中禾高科农牧设备科技有限公司 | A kind of organic fertilizer aeration valve |
| CN108774077B (en) * | 2018-08-01 | 2023-10-20 | 四川中禾高科农牧设备科技有限公司 | Organic fertilizer aeration valve |
| CN113294538A (en) * | 2021-05-11 | 2021-08-24 | 杭州利华科技有限公司 | Gas flow adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526374B (en) | 2019-03-12 |
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