CN107840301A - Without the self-styled petroleum vapor recovery nozzle of pressure - Google Patents
Without the self-styled petroleum vapor recovery nozzle of pressure Download PDFInfo
- Publication number
- CN107840301A CN107840301A CN201711030904.9A CN201711030904A CN107840301A CN 107840301 A CN107840301 A CN 107840301A CN 201711030904 A CN201711030904 A CN 201711030904A CN 107840301 A CN107840301 A CN 107840301A
- Authority
- CN
- China
- Prior art keywords
- self
- styled
- valve
- pressure
- bonnet
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/44—Filling nozzles automatically closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to one kind without the self-styled petroleum vapor recovery nozzle of pressure, including gun body, Handleset, main valve, self-styled control valve, gun barrel and gas recovery system for oil, secondary valve is installed between gun body and gun barrel, self-styled control valve includes self-styled diaphragm, self-styled spring, self-styled valve body, self-styled bonnet and needle roller, self-styled spring is arranged in the self-styled control chamber between self-styled diaphragm and self-styled bonnet, needle roller is fixedly connected on below self-styled diaphragm, and self-styled control chamber is connected by the through hole in self-styled valve body and gun body with the negative pressure chamber at secondary valve and the air entry of gun barrel front end；It is provided with mainly on the upside of self-styled control valve without pressure self-packer, at the end of quantitative refueling, oil pump is closed, pressure is lost without self-styled intracavitary is pressed, moved up without pressing self-styled spring to promote Self-sealing valve cover strip to move needle roller, main valve is closed, and is realized without pressure self-sealing function, oil product, which leaks, when avoiding being again turned on causes loss of oil volume and security incident, has the advantages that using reliable, safe.
Description
Technical field
The invention belongs to fuel-servicing equipment, and in particular to a kind of petroleum vapor recovery nozzle.The present invention is applied to gas station and refueled
Nozzle on machine.
Background technology
The key equipment that the gas station of nozzle is refueled to vehicle, it is existing in order to which the oil gas in refueling process leaks
There is the nozzle on fuel charger all to use oil-gas recovery self-sealing nozzle.The Patent No. applied such as our company
CN201210596617.5 high-performance self-sealing refueling gun, including gun body, Handleset, main valve, control valve, flowline and oil gas
Recovery system, oil inlet passage is formed with gun body, main valve is arranged in oil inlet passage, and control machine is provided between main valve and control valve
Structure, flowline leading section are formed with pore self-sealing, and the pore self-sealing is connected by self-styled passage with the control membrane cavity of control valve.It is normal to refuel
When, the needle roller of controlling organization is sticked into the neck of the automatic control axle being connected with main valve and automatic control core, and control bound is kept it turned on；
When filling it up with oil, pore self-sealing is blocked, and the control membrane cavity of control valve loses supplement air and produces negative pressure, and automatic control diaphragm drives needle roller
Extracted out of automatic control core neck, main valve is closed under the action of the spring, realizes self-sealing function.But in quantitative refueling, refuel
After office closes, pore self-sealing is not blocked up by oil sealing, and main valve keeps opening, needs manual-lock while taking out nozzle
Main valve, its shortcoming be easily forget while nozzle is taken out close main valve, when being again turned on fuel charger, oil can directly from
Nozzle sprays, and causes oil product loss and security incident.
The content of the invention
The purpose of the present invention is the shortcomings that presence for prior art, there is provided can be closed automatically at the end of a kind of quantitative refueling
Main valve, using reliable, safe without the self-styled petroleum vapor recovery nozzle of pressure.
Technical scheme includes gun body, Handleset, main valve, self-styled control valve, gun barrel and gas recovery system for oil,
Secondary valve is installed, self-styled control valve includes self-styled diaphragm, self-styled spring, self-styled valve body, self-styled bonnet and rolling between gun body and gun barrel
Pin, self-styled spring are arranged in the self-styled control chamber between self-styled diaphragm and self-styled bonnet, and needle roller is fixedly connected on self-styled diaphragm
Lower section, self-styled control chamber are connected by the negative pressure chamber at the through hole in self-styled valve body and gun body and secondary valve and the air entry of gun barrel front end
It is logical；Be provided with mainly on the upside of self-styled control valve without pressure self-packer, it is described without pressure self-packer by without pressing self-styled spring, self-styled
Bonnet and without self-styled chamber composition is pressed, moves between self-styled bonnet periphery and Self-sealing valve body inner round wall and coordinates, below self-styled bonnet
Self-sealing valve body inner round wall is provided with radial ringed limited step, no self-styled spring of pressure be arranged on the radial ringed limited step with it is self-styled
Ring spring intracavitary between bonnet, Self-sealing valve cover end face and set without pressing self-styled diaphragm, this without press self-styled diaphragm and gun body it
Between form without self-styled chamber is pressed, no self-styled chamber of pressure connects with main valve inlet wing passage.
Preferably, secondary valve has bivalve cored structure, and its outer valve element is mutually matched somebody with somebody with the annular flow road junction on the auxiliary-seat of secondary valve
External seal pair is combined into, outer spring is installed between the outer valve element back side and the auxiliary valve body of secondary valve；Inner spool uses steel ball and auxiliary-seat
Centre bore, which cooperates, forms sealing pair, in auxiliary valve body central passage to bullet in being installed between venturi inlet end face and steel ball
Spring, described negative pressure chamber is formed between venturi outlet side periphery and auxiliary valve body.
Preferably, the through hole that air entry is connected by air intake duct with negative pressure chamber connects, and is set between the through hole and air intake duct
Posture valve is put, the posture valve is placed on the steel ball composition in the conicylindrical passage of air intake duct exit, and conicylindrical passage outlet is with leading to
Hole connects.
It is an advantage of the invention that being provided with the upside of self-styled control valve without pressure self-packer, in normal refuel, no pressure is self-styled
Device promotes self-styled bonnet to move down without the self-styled cavity pressure of pressure, by self-styled control valve control bound on off state；Add when quantitative
At the end of oil, oil pump is closed, and no self-styled intracavitary of pressure loses pressure, and no self-styled spring of pressure promotes Self-sealing valve cover strip to move needle roller and moved up,
Main valve is closed, and realizes that oil product, which leaks, when avoiding being again turned on causes loss of oil volume and security incident without pressure self-sealing function；In addition,
The secondary valve of the present invention uses bivalve cored structure, and when flow is more than 8L/min, two valve elements are opened simultaneously, when flow is less than 8L/min
When, outer valve element is closed, and whole flows maintain the fluid in negative pressure chamber by inner spool and Venturi tube and produce self-styled enough bear
Pressure, solves prior art when flow is less than 8L/min, because of the problem of negative pressure reduction can not be self-styled in negative pressure chamber, and terminates to add
When oily, two valve elements simultaneously close off, and prevent the outside water clock of the excess oil in gun body；The present invention also sets posture in air intake duct exit
Valve, when gun barrel front end is raised, the steel ball of posture valve is rolled into conicylindrical passage, block air entry passage, realize it is self-styled, at any time
Interrupt and refuel.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlarged drawing at A in Fig. 1 of the present invention.
Fig. 3 is the partial enlarged drawing at B in Fig. 1 of the present invention.
Embodiment
It is as shown in Figure 1 without pressing self-styled petroleum vapor recovery nozzle, including gun body 1, Handleset 2, main valve 3, self-styled control
Valve, gun barrel 4 and gas recovery system for oil, install secondary valve between gun body 1 and gun barrel, self-styled control valve includes self-styled diaphragm 5, self-styled bullet
Spring 6, self-styled valve body 7, self-styled bonnet 8 and needle roller 9, self-styled spring 6 are arranged on self-styled between self-styled diaphragm 5 and self-styled bonnet 8
In control chamber, needle roller 9 is fixedly connected on the self-styled lower section of diaphragm 5, and self-styled control chamber passes through the through hole in self-styled valve body 7 and gun body 1
Connected with the air entry 10 of the negative pressure chamber at secondary valve and the front end of gun barrel 4, gas recovery system for oil is by the oil gas on gun barrel 4 and gun body 1
Recovery approach, petroleum vapor recovery valve module 11 form；It is provided with the upside of self-styled control valve without pressure self-packer, it is described to be encapsulated certainly without pressure
Put by being formed without the self-styled spring 12 of pressure, self-styled bonnet 8 and without the self-styled chamber 13 of pressure, the self-styled periphery of bonnet 8 and the self-styled inner circle of valve body 7
Move and coordinate between wall, the inner round wall of self-styled valve body 7 below self-styled bonnet 8 is provided with radial ringed limited step, limits Self-sealing valve
Lid 8 moves above the radial ringed limited step, the self-styled spring 12 of no pressure be arranged on the radial ringed limited step with it is self-styled
The ring spring intracavitary formed between bonnet 8, the self-styled upper surface of bonnet 8 are set without self-styled diaphragm 14 is pressed, and this is without the self-styled diaphragm of pressure
Formed between 14 and gun body 1 without self-styled chamber 13 is pressed, no self-styled chamber 13 of pressure connects with main valve inlet wing passage, when the import of main valve 3 is led to
When road loses pressure, distress resolves in no self-styled chamber 13 of pressure, self-styled bonnet 8 moves up, and needle roller 9 connects from the automatic control axle 16 with main valve 3
Extracted in the neck of the automatic control core 15 connect, main valve 3 is closed automatically, realize self-sealing function, as shown in Figure 2.
Secondary valve has bivalve cored structure, its outer valve element 17 and the annular flow road junction mutual cooperation group on the auxiliary-seat 18 of secondary valve
Into external seal pair, outer spring 20 is installed between the outer back side of valve element 17 and the auxiliary valve body 19 of secondary valve；Inner spool is using steel ball 21 and pair
The centre bore of valve seat 18 cooperates composition sealing pair, the central passage of auxiliary valve body 19 the inlet end face of Venturi tube 23 and steel ball 21 it
Between inner spring 22 is installed, described negative pressure chamber is formed between the outlet side periphery of Venturi tube 23 and auxiliary valve body 19, as shown in figure 3,
When fluid flow is less than 8L/min, outer spring 20 promotes outer valve element 17 to close, and inner spring 22 is opened because elastic force design is smaller,
All fluids are by the centre bore of Venturi tube 23 by keeping negative pressure chamber to have larger self-styled negative pressure, at the end of oiling, outer valve element
17 and inner spool simultaneously close off, prevent the inner chamber of gun body 1 from leaving oil product water clock.
The through hole that air entry 10 is connected by air intake duct 24 with negative pressure chamber connects, and is set between the through hole and air intake duct 24
Posture valve 25, the posture valve 25 are made up of the steel ball being placed in the exit conicylindrical passage of air intake duct 24, and conicylindrical passage goes out
Mouth connects with through hole, as shown in Figure 1, Figure 3.In refueling process, operating personnel raise the angle of the Front-end Design of gun barrel 4 manually,
Steel ball is rolled into conicylindrical passage, is blocked the passage between air entry 10 and self-styled control chamber, is closed main valve 3, reach with
When interrupt refuel.
Claims (3)
- It is 1. a kind of without the self-styled petroleum vapor recovery nozzle of pressure, including gun body（1）, Handleset（2）, main valve（3）, self-styled control valve, Gun barrel（4）And gas recovery system for oil, gun body（1）Secondary valve is installed between gun barrel, self-styled control valve includes self-styled diaphragm（5）, from Seal spring（6）, self-styled valve body（7）, self-styled bonnet（8）And needle roller（9）, self-styled spring（6）Installed in self-styled diaphragm（5）With it is self-styled Bonnet（8）Between self-styled control chamber in, needle roller（9）It is fixedly connected on self-styled diaphragm（5）Lower section, self-styled control chamber pass through self-styled Valve body（7）And gun body（1）Interior through hole and the negative pressure chamber at secondary valve and gun barrel（4）The air entry of front end（10）Connection, oil gas return Receipts system is by gun barrel（4）And gun body（1）On petroleum vapor recovery passage, petroleum vapor recovery valve module（11）Composition；It is characterized in that certainly Seal on the upside of control valve and be provided with without pressure self-packer, it is described without pressure self-packer by without pressing self-styled spring（12）, self-styled bonnet（8）With Without the self-styled chamber of pressure（13）Composition, self-styled bonnet（8）Periphery and self-styled valve body（7）Move and coordinate between inner round wall, in self-styled bonnet （8）The self-styled valve body of lower section（7）Inner round wall is provided with radial ringed limited step, no self-styled spring of pressure（12）Installed in the radial direction ring Shape limited step and self-styled bonnet（8）Between the ring spring intracavitary that forms, self-styled bonnet（8）Upper surface is set without pressure from sealer Piece（14）, this is without the self-styled diaphragm of pressure（14）With gun body（1）Between form without pressing self-styled chamber（13）, no self-styled chamber of pressure（13）With main valve Import wing passage connects.
- 2. it is according to claim 1 without the self-styled petroleum vapor recovery nozzle of pressure, it is characterized in that secondary valve has bivalve cored structure, its Outer valve element（17）With the auxiliary-seat of secondary valve（18）On annular flow road junction cooperate composition external seal pair, outer valve element（17）The back side With the auxiliary valve body of secondary valve（19）Between outer spring is installed（20）；Inner spool uses steel ball（21）With auxiliary-seat（18）Centre bore is mutual With sealing pair is combined into, in auxiliary valve body（19）The Venturi tube of central passage（23）Inlet end face and steel ball（21）Between installation in bullet Spring（22）, Venturi tube（23）Outlet side periphery and auxiliary valve body（19）Between form described negative pressure chamber.
- 3. it is according to claim 1 or 2 without self-styled petroleum vapor recovery nozzle is pressed, it is characterized in that air entry（10）Pass through air-breathing Pipe（24）The through hole connection being connected with negative pressure chamber, in the through hole and air intake duct（24）Between set posture valve（25）, the posture valve （25）By being placed on air intake duct（24）Steel ball composition in the conicylindrical passage of exit, conicylindrical passage outlet connect with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030904.9A CN107840301A (en) | 2017-10-30 | 2017-10-30 | Without the self-styled petroleum vapor recovery nozzle of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030904.9A CN107840301A (en) | 2017-10-30 | 2017-10-30 | Without the self-styled petroleum vapor recovery nozzle of pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107840301A true CN107840301A (en) | 2018-03-27 |
Family
ID=61681891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711030904.9A Withdrawn CN107840301A (en) | 2017-10-30 | 2017-10-30 | Without the self-styled petroleum vapor recovery nozzle of pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107840301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508558A (en) * | 2019-09-19 | 2019-11-29 | 吴海 | Without spring dust blower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203558842U (en) * | 2013-11-25 | 2014-04-23 | 浙江春晖智能控制股份有限公司 | Self-sealing oil gun for oil gas recovery |
| CN205472629U (en) * | 2016-04-05 | 2016-08-17 | 苏州丹纽博环保科技有限公司 | Proclaim oneself nozzle components of a whole that can function independently vacuum cap |
| CN106145019A (en) * | 2016-08-31 | 2016-11-23 | 郑州永邦环保科技有限公司 | A kind of Novel oil gas reclaiming type nozzle |
| CN206570023U (en) * | 2017-03-10 | 2017-10-20 | 浙江麦得机器有限公司 | Light environment protection oil-gas recovery self-sealing nozzle |
-
2017
- 2017-10-30 CN CN201711030904.9A patent/CN107840301A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203558842U (en) * | 2013-11-25 | 2014-04-23 | 浙江春晖智能控制股份有限公司 | Self-sealing oil gun for oil gas recovery |
| CN205472629U (en) * | 2016-04-05 | 2016-08-17 | 苏州丹纽博环保科技有限公司 | Proclaim oneself nozzle components of a whole that can function independently vacuum cap |
| CN106145019A (en) * | 2016-08-31 | 2016-11-23 | 郑州永邦环保科技有限公司 | A kind of Novel oil gas reclaiming type nozzle |
| CN206570023U (en) * | 2017-03-10 | 2017-10-20 | 浙江麦得机器有限公司 | Light environment protection oil-gas recovery self-sealing nozzle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508558A (en) * | 2019-09-19 | 2019-11-29 | 吴海 | Without spring dust blower |
| CN110508558B (en) * | 2019-09-19 | 2024-05-03 | 吴海 | Spring-free dust blowing gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180327 |
|
| WW01 | Invention patent application withdrawn after publication |