CN109973701A - A kind of direct burial anticorrosive valve - Google Patents
A kind of direct burial anticorrosive valve Download PDFInfo
- Publication number
- CN109973701A CN109973701A CN201711460753.0A CN201711460753A CN109973701A CN 109973701 A CN109973701 A CN 109973701A CN 201711460753 A CN201711460753 A CN 201711460753A CN 109973701 A CN109973701 A CN 109973701A
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- China
- Prior art keywords
- valve
- protective shell
- air inlet
- cavity
- push rod
- 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
- 238000009933 burial Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 239000010410 layer Substances 0.000 claims abstract description 27
- 230000003628 erosive effect Effects 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 6
- 230000009172 bursting Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 238000007689 inspection Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009156 water cure Methods 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- -1 rendzinas Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
A kind of direct burial anticorrosive valve; including valve body and protective shell; protective shell is three-decker; protective shell is successively arranged erosion resistant coating, insulating layer and hard protective layer from outside to inside; valve body includes valve upper cover, valve lower cover and rubber layer; cavity is formed between valve upper cover and valve lower cover; rubber is placed in cavity; cavity is divided into gas chamber and gymnasium by rubber layer; gas chamber is equipped with stomata, and stomata connects tracheae, and tracheae end is equipped with suction nozzle; gymnasium is equipped with push rod and reset spring, and reset spring both ends are separately connected pedestal and valve upper interior surface.The beneficial effects of the present invention are: structure is simple and convenient to operate; protective shell is equipped with outside valve body; it avoids extraneous dirt from entering in gas chamber to damage gas chamber; protection shell is multilayered structure; increase corrosion resistant erosion degree, insulating layer can effectively prevent valve underground is freezing or bursting by freezing, internal hard protective layer; it can effectively ensure that valve is deformed, increase valve service life.
Description
Technical field
The invention belongs to valve technology fields, more particularly, to a kind of direct burial anticorrosive valve.
Background technique
Epoch, the delivery pipes such as gas ductwork, heating, chemical industry gas, petroleum, natural gas are conveyed as society enters underground piping
Road increases sharply.In pipe conveying procedure, valve is essential important equipment.Valve is many kinds of, according to the installation method
It is directly two kinds embedded that lock well and valve can be substantially divided into.Lock well faces ponding, the land occupation of construction sign, engineering cost in practical applications
The problems such as with height, operation safe operation, and direct burial valve then can be solved these problems effectively, increasingly be received an acclaim.
After the buried installation of valve, soil property locating for valve is different, many factors compound action, seriously corroded, so existing
The buried valve surface in stage is equipped with erosion resistant coating mostly, but due to the scrambling of valve surface, erosion resistant coating cannot be with valve
Body is combined closely, and in backfilling process, and the backfilling materials such as rendzinas, sand, gravel easily lead to erosion resistant coating broken invalid.Existing rank
Section be applied to underground piping valve be mostly manual control manually-operated gate, maintenance and repair is costly, and switch it is not flexible, hold
It easily gets rusty, be frequently necessary to repair；There are security risks for restrictor bar gas leakage.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of direct burial anticorrosive valves；Especially surface is equipped with erosion resistant coating and heat preservation
Layer and can pneumatic control direct burial valve.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of direct burial anticorrosive valve, including valve
Ontology and protective shell, the protective shell are circle shuttle body, and the protective shell both ends are respectively equipped with outlet and entrance, and the protective shell is
Three-decker, the protective shell are successively arranged erosion resistant coating, insulating layer and hard protective layer from outside to inside, and the erosion resistant coating is by anti-corrosion
Priming paint, lute in and high-elastic armoring tape are constituted, and the valve body includes valve upper cover, valve lower cover and rubber layer, described
Valve lower cover and the outlet connection, form cavity, the rubber is placed between the valve upper cover and the valve lower cover
In the cavity, the cavity is divided into gas chamber and gymnasium by the rubber layer, and the gas chamber is equipped with stomata, the stomata connection
Tracheae, the tracheae end are equipped with suction nozzle, and the gymnasium is equipped with push rod and reset spring, and the reset spring is placed on described
Push rod outer surface, described push rod one end are equipped with pedestal, and the pedestal is placed in the rubber layer upper surface, and the push rod other end is set
There are valve deck, entrance described in the valve deck connection, the reset spring both ends are separately connected in the pedestal and the valve upper cover
Surface.
Further, the valve deck includes lid, and described lid one end connects the push rod, and the lid other end is equipped with
Guide rod, the guide rod is vertical with the lid end face to be connect, and the guide rod is more, and the guide rod is evenly distributed on
The lid end face, the guide rod are placed in the entrance.
Further, the protective shell exit be equipped with bracket, the bracket be it is multiple, the bracket is evenly distributed on institute
It states inside protective shell, the bracket connects the valve lower cover.
Further, one end that the push rod is connect with the pedestal is equipped with positive stop lug boss, sets inside the valve upper cover
Fluted, described reset spring one end is placed on the positive stop lug boss, and the reset spring other end is placed in the groove.
Further, the outlet, the pedestal, the push rod, the valve deck and the entrance are concentric.
Further, the suction nozzle includes suction nozzle ontology, and the suction nozzle ontology is cylindrical body, the suction nozzle sheet
Inlet channel is equipped at body center, the suction nozzle body bottom portion is equipped with air inlet cavity, and the inlet channel and the air inlet are empty
Chamber connection, the diameter of the air inlet cavity are greater than the inlet channel diameter, are equipped with air inlet adjustment part, institute in the air inlet cavity
Suction nozzle body tail section is stated equipped with circlip, described this body side surface of suction nozzle is equipped with venthole, the venthole and it is described into
Gas cavity connection, the venthole outside are equipped with plug.
Further, the air inlet adjustment part is elastic sphere, and it is straight that the elastic sphere diameter is greater than the inlet channel
Diameter, the elastic sphere diameter are less than the air inlet cavity diameter.
Further, the circlip top is equipped with air inlet screen.
Further, the inlet channel is ladder-like, and the inlet channel top diameter is less than in the inlet channel
Portion's diameter.
The advantages and positive effects of the present invention are:
1, the configuration of the present invention is simple, easy to operate is equipped with protective shell outside valve body, extraneous dirt is avoided to enter gas
Interior damages gas chamber, guarantees that valve operates normally, and protective shell is set as round shuttle body, is easily installed, and protection shell is multilayer
Structure, outside are equipped with erosion resistant coating, can effectively adapt to underground environment, increase corrosion resistant erosion degree, are equipped with insulating layer among protection shell,
Valve can be effectively prevent freezing or bursting by freezing, internal hard protective layer can effectively ensure that valve is deformed in underground, increased
Valve service life.
2, direct burial valve of the present invention is installed on underground pipe network, and the tracheae connecting with air charging system is placed in earth's surface or more,
The inflation/deflation of gas chamber can be realized more than earth's surface, and then the Push And Release of control valve is saved there is no need to which inspection shaft is arranged
Construction, maintenance and the maintenance expense of inspection shaft, substantially reduce the cost of building of underground pipe network, while eliminating the peace for adding inspection shaft
Full hidden danger.
3, it is equipped at tracheae of the invention and enters mouth, air inlet adjustment part, air inlet adjustment part and elasticity are equipped with inside suction nozzle
Retaining ring and air inlet screen match, and can effectively block medium to backflow or other impurities enter in valve and pipeline, suction nozzle side
Equipped with venthole, it is equipped with plug outside venthole, opens plug, it can be achieved that Rapid degassing.
4, erosion resistant coating of the present invention compared with prior art, is more convenient to complete the anti-corrosion and protective treatment of valve, energy at the scene
Enough ensure not to be corroded in phase projected life inner valve and cause to leak outside, guarantees long-term long distance pipeline, safety, smoothly operation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention
Fig. 2 is the structural schematic diagram of protective shell of the embodiment of the present invention
Fig. 3 is the inlet structural schematic diagram of the embodiment of the present invention
Fig. 4 is the exit structural schematic diagram of the embodiment of the present invention
Fig. 5 is the suction nozzle structural schematic diagram of the embodiment of the present invention
In figure:
1, entrance 2, guide rod 3, lid
4, groove 5, valve upper cover 6, rubber layer
7, cavity 8, valve lower cover 9, stomata
10, tracheae 11, suction nozzle 12, outlet
13, bracket 14, gas chamber 15, pedestal
16, positive stop lug boss 17, gymnasium 18, push rod
19, reset spring 20, protective shell 21, valve body
22, hard protective layer 23, insulating layer 24, erosion resistant coating
25, suction nozzle ontology 26, inlet channel 27, air inlet adjustment part
28, venthole 29, plug 30, air inlet cavity
31, air inlet screen 32, circlip
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of direct burial anticorrosive valve, including valve body 21 and protective shell 20, protective shell 20 are circle shuttle
Body, 20 both ends of protective shell are respectively equipped with outlet 12 and entrance 1.As shown in Fig. 2, protective shell 20 be three-decker, protective shell 20 by
Erosion resistant coating 24, insulating layer 23 and hard protective layer 22 are successively arranged in outside.The erosion resistant coating 24 is by anti-corrosion primer, lute in
With high-elastic armoring tape constitute, high-elastic armoring tape be water cure type, impact flexibility >=67kJ/m2, peel strength >=29N/25mm,
Transverse tensile strength >=74MPa, longitudinal tensile strength >=36.4MPa.The high-elastic armoring tape of water cure is wrapped in outside protective shell 20
Side, in 5min can solidifying and setting, the skelteon shell of formation.Valve body 21 includes valve upper cover 5, valve lower cover 8
With rubber layer 6,12 connection of valve lower cover 8 and outlet form cavity 7, rubber layer 6 is placed between valve upper cover 5 and valve lower cover 8
In cavity 7, rubber layer 6 divides cavity 7 for gas chamber 14 and gymnasium 17.Gas chamber 14 is equipped with stomata 9, and stomata 9 connects tracheae 10, gas
10 end of pipe is equipped with suction nozzle 11.Gymnasium 17 is equipped with push rod 18 and reset spring 19, and reset spring 19 is placed on 18 appearance of push rod
Face.18 one end of push rod is equipped with pedestal 15, and pedestal 15 is placed in 6 upper surface of rubber layer, and 18 other end of push rod is equipped with valve deck.Such as Fig. 3 institute
Show, valve deck includes lid 3, and 3 one end of lid connects push rod 18, and 3 other end of lid is equipped with guide rod 2, guide rod 2 and 3 end of lid
Face vertically connects, and guide rod 2 is more, and guide rod 2 is evenly distributed on 3 end face of lid, and guide rod 2 is placed in entrance 1, and valve deck is logical
Cross 2 connection entrance 1 of guide rod.As shown in figure 4, be equipped with bracket 13 at the outlet of protective shell 20 12, bracket 13 be it is multiple, bracket 13 is equal
It is even to be distributed in inside protective shell 20,13 connecting valve lower cover 8 of bracket.One end that push rod 18 is connect with pedestal 15 is equipped with positive stop lug boss
16, groove 4 is equipped with inside valve upper cover 5,19 one end of reset spring is placed on positive stop lug boss 16, and 19 other end of reset spring is placed in
In groove 4,19 both ends of reset spring are separately connected 5 inner surface of pedestal 15 and valve upper cover.Export 12, pedestal 15, push rod 18, valve
Lid and entrance 1 are concentric.
As shown in figure 5, suction nozzle 11 includes suction nozzle ontology 25, suction nozzle ontology 25 is cylindrical body, suction nozzle ontology 25
Inlet channel 26 is equipped at center, 25 bottom of suction nozzle ontology is equipped with air inlet cavity 30, inlet channel 26 and air inlet cavity 30
Logical, the diameter of air inlet cavity 30 is greater than 26 diameter of inlet channel, is equipped with air inlet adjustment part 27, air inlet adjustment part in air inlet cavity 30
27 be elastic sphere, and elastic sphere diameter is greater than 26 diameter of inlet channel, and elastic sphere diameter is less than 30 diameter of air inlet cavity, into
25 tail portion of gas nozzle body is equipped with circlip 32, and 32 top of circlip is equipped with air inlet screen 31.25 side of suction nozzle ontology is set
There are venthole 28, venthole 28 and 30 connection of air inlet cavity, plug 29 is equipped with outside venthole 28, inlet channel 26 is ladder
Shape, 26 top diameter of inlet channel are less than 26 mid diameter of inlet channel.
The working principle of the embodiment of the present invention is: first carrying out hand cleaning to buried valve surface, then according to protective shell 20
Profile variation filling flexible is good, plasticity is strong, anti-corrosion and waterproof performance are excellent, dope with good chemical resistance
Mud coats anticorrosion adhesive tape, finally winds the high-elastic armoring tape of water cure on the outside, and composite material can be fully cured in 5 minutes,
Form hard shell protection valve erosion resistant coating.Dig pit at valve to be placed, 20 body of protective shell be circle shuttle body, be easily put into and
Hole is too deep without digging, and valve is placed in hole, tracheae 10 is drawn, and valve is buried and tracheae 10 and suction nozzle 11 are placed in ground
On.When needing to block medium pipeline, suction nozzle 11 is connected at vacuum pump inlet, after booting, air inlet adjustment part 27 is left
Inlet channel 26 and 30 transition position of air inlet cavity, gas enter air inlet cavity 30 from inlet channel 26, filter from air inlet screen 31
Backward gas chamber 14 is inflated, and rubber layer 6 is heaved, and the rubber layer 6 heaved boosts pedestal 15 and push rod 18 to 1 direction of entrance, pedestal
15 compress reset spring 19, and valve deck promotes into entrance 1 under the action of push rod 18 and then closes entrance 1, and valve is closed,
Vacuum pump work finishes, and when shutdown, the device that is pulled out of connection is negative pressure state, and air inlet adjustment part 27 is just pressed in inlet channel
26 with 30 transition position of air inlet cavity, blocked vacuum pump body and inlet channel 26, efficiently solved reflux problem.When needs are beaten
Valve opening door keeps flow of media, opens the plug 29 outside venthole 28, and the gas in gas chamber 14 is discharged, when deflation, rubber layer
6 collapse to export direction, until rubber layer 6 is fitted on 8 inner wall of valve lower cover, at this point, reset spring 19 bounces reinstatement,
Pedestal 15 and push rod 18 set back under the elastic force effect of reset spring 19, and the lower surface of pedestal 15 is fitted in rubber layer 6,
Valve deck leaves entrance 1 under the action of push rod 18, and valve is opened.Valve is closed and opening procedure, guide rod 2 have one always
Divide in entrance 1, valve deck leaves entrance 1, and medium is flowed into protective shell 20 by the gap between guide rod 2, by between bracket 13
Gap through outlet flow out protective shell 20.
The advantages and positive effects of the present invention are:
1, the configuration of the present invention is simple, easy to operate is equipped with protective shell outside valve body, extraneous dirt is avoided to enter gas
Interior damages gas chamber, guarantees that valve operates normally, and protective shell is set as round shuttle body, is easily installed, and protection shell is multilayer
Structure, outside are equipped with erosion resistant coating, can effectively adapt to underground environment, increase corrosion resistant erosion degree, are equipped with insulating layer among protection shell,
Valve can be effectively prevent freezing or bursting by freezing, internal hard protective layer can effectively ensure that valve is deformed in underground, increased
Valve service life.
2, direct burial valve of the present invention is installed on underground pipe network, and the tracheae connecting with air charging system is placed in earth's surface or more,
The inflation/deflation of gas chamber can be realized more than earth's surface, and then the Push And Release of control valve is saved there is no need to which inspection shaft is arranged
Construction, maintenance and the maintenance expense of inspection shaft, substantially reduce the cost of building of underground pipe network, while eliminating the peace for adding inspection shaft
Full hidden danger.
3, it is equipped at tracheae of the invention and enters mouth, air inlet adjustment part, air inlet adjustment part and elasticity are equipped with inside suction nozzle
Retaining ring and air inlet screen match, and can effectively block medium to backflow or other impurities enter in valve and pipeline, suction nozzle side
Equipped with venthole, it is equipped with plug outside venthole, opens plug, it can be achieved that Rapid degassing.
4, erosion resistant coating of the present invention compared with prior art, is more convenient to complete the anti-corrosion and protective treatment of valve, energy at the scene
Enough ensure not to be corroded in phase projected life inner valve and cause to leak outside, guarantees long-term long distance pipeline, safety, smoothly operation.
One embodiment of the present invention has been described in detail above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should still be within the scope of the patent of the present invention.
Claims (9)
1. a kind of direct burial anticorrosive valve, including valve body and protective shell, it is characterised in that: the protective shell is circle shuttle body,
The protective shell both ends are respectively equipped with outlet and entrance, and the protective shell is three-decker, and the protective shell is from outside to inside successively
Equipped with erosion resistant coating, insulating layer and hard protective layer, the erosion resistant coating is made of anti-corrosion primer, lute in and high-elastic armoring tape,
The valve body includes valve upper cover, valve lower cover and rubber layer, the valve lower cover and the outlet connection, the valve
Cavity is formed between upper cover and the valve lower cover, the rubber is placed in the cavity, and the rubber layer is by the cavity
It is divided into gas chamber and gymnasium, the gas chamber is equipped with stomata, and the stomata connects tracheae, and the tracheae end is equipped with suction nozzle, institute
Gymnasium is stated equipped with push rod and reset spring, the reset spring is placed on the push rod outer surface, and described push rod one end is equipped with bottom
Seat, the pedestal are placed in the rubber layer upper surface, and the push rod other end is equipped with valve deck, entrance described in the valve deck connection,
The reset spring both ends are separately connected the pedestal and the valve upper interior surface.
2. a kind of direct burial anticorrosive valve according to claim 1, it is characterised in that: the valve deck includes lid, described
Lid one end connects the push rod, and the lid other end is equipped with guide rod, and the guide rod is vertical with the lid end face to be connected
It connects, the guide rod is more, and the guide rod is evenly distributed on the lid end face, and the guide rod is placed in the entrance
It is interior.
3. a kind of direct burial anticorrosive valve according to claim 1 or 2, it is characterised in that: the protective shell exit is set
Have a bracket, the bracket be it is multiple, the bracket is evenly distributed on inside the protective shell, and the bracket connects under the valve
Lid.
4. a kind of direct burial anticorrosive valve according to claim 1 or 2, it is characterised in that: the push rod and the pedestal
One end of connection is equipped with positive stop lug boss, is equipped with groove inside the valve upper cover, described reset spring one end is placed in the limit
On boss, the reset spring other end is placed in the groove.
5. a kind of direct burial anticorrosive valve according to claim 1 or 2, it is characterised in that: the outlet, the pedestal,
The push rod, the valve deck and the entrance are concentric.
6. a kind of direct burial anticorrosive valve according to claim 1 or 2, it is characterised in that: the suction nozzle includes air inlet
Mouth ontology, the suction nozzle ontology are cylindrical body, are equipped with inlet channel, the suction nozzle ontology at the suction nozzle body central
Bottom is equipped with air inlet cavity, the inlet channel and the air inlet cavity connection, the diameter of the air inlet cavity be greater than it is described into
Gas channel diameter, is equipped with air inlet adjustment part in the air inlet cavity, and the suction nozzle body tail section is equipped with circlip, it is described into
Gas nozzle body side is equipped with venthole, the venthole and the air inlet cavity connection, is equipped with plug outside the venthole.
7. a kind of direct burial anticorrosive valve according to claim 6, it is characterised in that: the air inlet adjustment part is elastic ball
Body, the elastic sphere diameter are greater than the inlet channel diameter, and the elastic sphere diameter is less than the air inlet cavity diameter.
8. a kind of direct burial anticorrosive valve according to claim 6, it is characterised in that: the circlip top be equipped with into
Air filter net.
9. a kind of direct burial anticorrosive valve according to claim 6, it is characterised in that: the inlet channel be it is ladder-like,
The inlet channel top diameter is less than the inlet channel mid diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460753.0A CN109973701A (en) | 2017-12-28 | 2017-12-28 | A kind of direct burial anticorrosive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711460753.0A CN109973701A (en) | 2017-12-28 | 2017-12-28 | A kind of direct burial anticorrosive valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973701A true CN109973701A (en) | 2019-07-05 |
Family
ID=67074798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711460753.0A Pending CN109973701A (en) | 2017-12-28 | 2017-12-28 | A kind of direct burial anticorrosive valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973701A (en) |
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|---|---|---|---|---|
| HU9502506D0 (en) * | 1994-08-27 | 1995-10-30 | Mittelmann Armaturen | Electric isolation for pipe armatures |
| CN2881152Y (en) * | 2006-01-24 | 2007-03-21 | 李明增 | Anti-backflow air intake nozzle of vacuum pump |
| WO2009126578A2 (en) * | 2008-04-09 | 2009-10-15 | Mks Instruments, Inc. | Isolation valve with corrosion protected and heat transfer enhanced valve actuator and closure apparatus and method |
| JP2011021636A (en) * | 2009-07-14 | 2011-02-03 | Asahi Organic Chemicals Industry Co Ltd | Air valve |
| CN202484524U (en) * | 2011-12-29 | 2012-10-10 | 上海联和科海材料科技有限公司 | Petrolatum-coated anticorrosion layer for metal valves |
| CN102808986A (en) * | 2012-08-10 | 2012-12-05 | 苑智良 | Directly-buried totally-sealed pneumatic valve |
| CN204553884U (en) * | 2015-04-13 | 2015-08-12 | 李永顺 | A kind of novel pneumatic valve |
| CN105889552A (en) * | 2016-06-30 | 2016-08-24 | 替科斯科技集团有限责任公司 | Direct burial prefabricated heat-insulating all-welded heat supply ball valve |
| JP2017009050A (en) * | 2015-06-23 | 2017-01-12 | 太盛工業株式会社 | Minute fluid element and manufacture process thereof |
| CN206221740U (en) * | 2016-09-30 | 2017-06-06 | 宋庆波 | Direct burial air inlet and exhaust valve |
| CN207921427U (en) * | 2017-12-28 | 2018-09-28 | 蓝色海洋（天津）工程技术有限公司 | A kind of direct burial anticorrosive valve |
-
2017
- 2017-12-28 CN CN201711460753.0A patent/CN109973701A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU9502506D0 (en) * | 1994-08-27 | 1995-10-30 | Mittelmann Armaturen | Electric isolation for pipe armatures |
| CN2881152Y (en) * | 2006-01-24 | 2007-03-21 | 李明增 | Anti-backflow air intake nozzle of vacuum pump |
| WO2009126578A2 (en) * | 2008-04-09 | 2009-10-15 | Mks Instruments, Inc. | Isolation valve with corrosion protected and heat transfer enhanced valve actuator and closure apparatus and method |
| JP2011021636A (en) * | 2009-07-14 | 2011-02-03 | Asahi Organic Chemicals Industry Co Ltd | Air valve |
| CN202484524U (en) * | 2011-12-29 | 2012-10-10 | 上海联和科海材料科技有限公司 | Petrolatum-coated anticorrosion layer for metal valves |
| CN102808986A (en) * | 2012-08-10 | 2012-12-05 | 苑智良 | Directly-buried totally-sealed pneumatic valve |
| CN204553884U (en) * | 2015-04-13 | 2015-08-12 | 李永顺 | A kind of novel pneumatic valve |
| JP2017009050A (en) * | 2015-06-23 | 2017-01-12 | 太盛工業株式会社 | Minute fluid element and manufacture process thereof |
| CN105889552A (en) * | 2016-06-30 | 2016-08-24 | 替科斯科技集团有限责任公司 | Direct burial prefabricated heat-insulating all-welded heat supply ball valve |
| CN206221740U (en) * | 2016-09-30 | 2017-06-06 | 宋庆波 | Direct burial air inlet and exhaust valve |
| CN207921427U (en) * | 2017-12-28 | 2018-09-28 | 蓝色海洋（天津）工程技术有限公司 | A kind of direct burial anticorrosive valve |
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