CN108328560A - Self-sealing refueling gun - Google Patents
Self-sealing refueling gun Download PDFInfo
- Publication number
- CN108328560A CN108328560A CN201810174489.2A CN201810174489A CN108328560A CN 108328560 A CN108328560 A CN 108328560A CN 201810174489 A CN201810174489 A CN 201810174489A CN 108328560 A CN108328560 A CN 108328560A
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- Prior art keywords
- oil
- valve
- sealing
- cone core
- gas
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 118
- 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 22
- 239000003921 oil Substances 0.000 claims description 163
- 239000000446 fuel Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000346 nonvolatile oil Substances 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 description 10
- 239000003208 petroleum Substances 0.000 description 9
- 238000011084 recovery Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B67D7/46—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level
-
- 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
Abstract
The invention discloses a kind of self-sealing refueling guns, can more accurately adjust oil-gas ratin.A kind of self-sealing refueling gun, including ratio cone core are attached oil sealing door by magnetic force and are moved, and ratio cone core includes cone core portion and sealing lip；It offsets for sealing lip with sealing lip coaxial arrangement and fixed cone core seat and forms sealing cooperation；Cone core seat is fixedly connected with pedestal；Pedestal is fixed on portion of the handle, and cone core seat is also tightly connected with Oil/Gas Pipe；It is coaxially set with cone core portion and the first end of axially slidable oil gas flow regulator is inserted into for cone core portion；The second end of oil gas flow regulator is equipped with inclined surface；Screw-threaded counterbore is equipped on pedestal, screw-threaded counterbore internal thread is connected with adjusting screw, the tail end of adjusting screw is equipped with the conical surface being in contact with inclined surface, push oil gas flow regulator to adjusting screw by the second spring for being pre-compacted assembly, relative position of the oil gas flow regulator relative to cone core portion is adjusted by turning adjusting screw.
Description
Technical field
The invention belongs to the technical fields of equipment for liquid transportation or device, concretely relate to a kind of self-styled oiling
Rifle.
Background technology
Self-sealing refueling gun is the filling operation for lightweight oils, such as fills operation for vehicle fuel.Self-styled oiling
Oil gun can be automatically closed when container fills full in rifle, prevent excessive.
Publication number CN201598170U, the Chinese invention patent that publication date is on October 06th, 2010 disclose a kind of oil gas
Recycle self-sealing refueling gun comprising gun body, oil inlet passage, main valve, control valve, return valve, flowline and Handleset composition, it is main
If the petroleum vapor recovery channel for being formed with petroleum vapor recovery hole on flowline and communicating therewith, which passes through gun body
Upper made petroleum vapor recovery channel is connected to gas collection pipe, and boring cover is arranged in flowline rear end, bored in refueling process
Lid is enclosed in reservoir port, and gaseous state oil is recovered to by petroleum vapor recovery hole and petroleum vapor recovery channel in oil tank, it is therefore prevented that gaseous state oil distributes
Environmental pollution, security risk and energy waste are caused to air.
Fuel oil has volatility, the formation oil gas that fuel oil volatilization comes out.In recent years, petroleum vapor recovery ratio (conveying fuel oil：It returns
Receive oil gas) it is suggested requirement, therefore increase oil-gas proportional valve in refueling nozzle, correspondingly adjust oil gas by adjusting proportioning valve
Ratio is to reach requirement.For example, on 04 30th, 2014 publication number CN203571384U, publication date Chinese invention patents disclose
A kind of mechanical gas-liquid ratio adjusting valve and apply its petroleum vapor recovery refueling nozzle, mechanical gas-liquid ratio adjusting valve packet
It includes：Valve seat, the valve chest being sleeved on valve seat, the interior cylindrical inner wall with isolation oil circuit access and gas circuit access of valve chest, cylinder
Shape inner wall has a ratio cone core for closing and opening gas circuit passage opening and is connected as one with ratio cone core
Driven magnet, cylindrical inner wall outside have by the mobile active magnet of oil stream driving and prevent the elasticity of active magnet movement
Part.In addition, in order to intervene the flow of oil gas, adjusting screw is also set up, is stretched into gas channels, by adjusting adjusting screw
Position is to be directly changed the cross-sectional area of gas channels, to intervene petroleum vapor recovery ratio.But due to the section of gas channels
It is circular, and substantially cylindrical with the perpendicular adjusting screw of gas channels, the two shape in this way mismatches, oil-gas ratin
It adjusts not accurate.
Invention content
The object of the present invention is to provide a kind of self-sealing refueling guns, can more accurately adjust oil-gas ratin.
On the other hand, invention also improves the fool proof performances of refueling nozzle, especially without oil pressure in refueling nozzle
Shi Wufa opens refueling nozzle and refuel and oil gun is automatically closed when container filling is full and prevents excessive etc..
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of self-sealing refueling gun, including gun body component, main valve, secondary valve, control valve group, trigger component and oil-gas ratin
Valve, gun body component include gun body, and there is portion of the handle, portion of the handle to have fuel gallery, gas channel and valve chamber, valve in gun body
Chamber is installed for oil-gas proportional valve, and oil-gas proportional valve includes Oil/Gas Pipe, and Oil/Gas Pipe is coaxially set with valve chamber, and the one of Oil/Gas Pipe
End is connected with gas channel, and slidable oil sealing door is also cased with outside Oil/Gas Pipe, with the coaxial arrangement of oil sealing door and fixed oil
Closure door seat fuel feeding closure door offsets, the position that oil sealing door has the position being separated with oil sealing gate seat and is butted on oil sealing gate seat；It can quilt
Oil pressure, which compresses and is pre-compacted the first spring of assembly, pushes oil sealing door to oil sealing gate seat；Slidable ratio is additionally provided in Oil/Gas Pipe
Example cone core；Ratio cone core attaches the movement of oil sealing door by magnetic force, and ratio cone core includes cone core portion and sealing lip；It is coaxial with sealing lip
Cone core seat be arranged and fixed offsets for sealing lip and forms sealing cooperation；Cone core seat is fixedly connected with pedestal；Pedestal is solid
Due to portion of the handle, cone core seat is also tightly connected with Oil/Gas Pipe；It is coaxially set with cone core portion and axially slidable gas stream
The first end for measuring adjuster is inserted into for cone core portion；The second end of oil gas flow regulator is equipped with inclined surface；Spiral shell is equipped on pedestal
Line counterbore, screw-threaded counterbore internal thread are connected with adjusting screw, and the tail end of adjusting screw is equipped with the conical surface being in contact with inclined surface, borrows
It helps the second spring for being pre-compacted assembly to push oil gas flow regulator to adjusting screw, oil is adjusted by turning adjusting screw
Relative position of the throughput adjuster relative to cone core portion.
Preferred embodiment on the basis of said program and as said program：The first end of the oil gas flow regulator
It is inserted into cone core seat, and the second end of oil gas flow regulator is exposed to outside cone core seat；The inner surface of cone core seat and oil gas flow
The outer surface of adjuster is in contact, and institute's cone core seat is slidably connected with the formation of oil gas flow regulator.
Preferred embodiment on the basis of said program and as said program：Oil sealing door includes slide-and-guide section and connection
In the first magnet construction section of slide-and-guide section, the first magnet construction section is fixed with the first magnet；The ratio cone core has body
Portion, body portion are installed for the second magnet, and the first magnet and the second magnet are attracting.
Preferred embodiment on the basis of said program and as said program：Second magnet is sleeved on the outer of body portion
Side, the outer surface of the magnet are in contact and are formed with the inner surface of Oil/Gas Pipe and be slidably connected.
Preferred embodiment on the basis of said program and as said program：The second magnet structure annular in shape,
The body portion is equipped with channel, and the outlet end in channel is between the second magnet and sealing lip.
Preferred embodiment on the basis of said program and as said program：Gas channel deviates valve chamber axis and institute is arranged
It further includes connector to state oil-gas proportional valve, and the gas channel is connected through connector with Oil/Gas Pipe.
Preferred embodiment on the basis of said program and as said program：Gas channel is located at the bottom of portion of the handle
Portion, the both ends of the connector and the inner wall of valve chamber are affixed, and the oil sealing gate seat is by connector tight against on the end face of gas channel.
Preferred embodiment on the basis of said program and as said program：It is equipped with spring in the outlet end of the connector
Seat, the spring base offset for the first spring.
Preferred embodiment on the basis of said program and as said program：The main valve includes valve rod, valve rod base, valve
Bar sealing ring and retainer ring；Valve rod passes through valve rod base, valve rod base to be located in gun body, and valve rod base is formed with gun body and is tightly connected；
The valve stem packing ring passed through for valve rod is additionally provided on valve rod base, the valve stem packing ring includes y-shaped ring main body, Y shape sealing
The inner surface of circle main body has the lug boss of axis protrusion thereto and keeps the thickness of two lips in y-shaped ring main body not right
Claim.
Preferred embodiment on the basis of said program and as said program：The control valve group includes valve deck, valve
Lid is fixed in gun body and the diaphragm in lower diaphragm unit is clamped between gun body and valve deck；Upper diaphragm pressure is fixed in lid valve
Tight lid；Third spring is assemblied between the clamp clip in upper diaphragm clamping cap and lower diaphragm unit with being pre-compacted；Upper diaphragm pressure
The edge of upper diaphragm is also pressed between upper diaphragm clamping cap and valve deck by tight lid；It is attached to below upper diaphragm and carries button and upper diaphragm
Clamping cap is slidably connected；Under the action of oil pressure compressed 4th spring be assemblied in being pre-compacted carry buckle and upper diaphragm compress
Between lid；Bar portion in lower diaphragm unit can be moved up relative to button is carried, and carrying can hook when buckling shifting in lower diaphragm unit
Bar portion move up together；Bar portion in lower diaphragm unit also protrudes into rod set, and rod set is equipped with steel ball, and rod set, which is equipped with, to be supplied
The hole that the part of steel ball is exposed, the bar portion in lower diaphragm unit has large diameter portion and small diameter portion, when the side of large-diameter portion connects
When touching steel ball, steel ball extrusion is made it be partially exposed at outside rod set and is in contact with the inclined-plane in gun body by large-diameter portion, to make set
Bar obtains fulcrum；When bar portion is raised, small diameter portion is opposite with steel ball and concedes the space of storage steel ball and steel ball is made to take in bar
In set, to make loop bar lose fulcrum；Upper diaphragm is connected by sluice way with fuel gallery with the upper chamber that valve deck is built；On
Diaphragm is connected by air entraining passage with tracheae with the lower chambers of lower diaphragm component construction；Lower chambers are also connected with the stomata on secondary valve
It is logical.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：
The self-sealing refueling gun of the present invention, uses the matched structure of oil gas flow regulator and cone core portion.It inserts in cone core portion
Enter in oil gas flow regulator, and the section in cone core portion and the section of oil gas flow regulator are compatible, in this way, passing through
The change in location of the two in the axial direction makes gap between the two that can be adjusted since the position of gapless or microgap, therefore, this
The self-sealing refueling gun of application can more accurately adjust oil-gas ratin.
Description of the drawings
Fig. 1 is the overall structure diagram of one embodiment of the invention.
Fig. 2 is the broken section structural schematic diagram of one embodiment of the invention.
Fig. 3 is the enlarged drawing at A in Fig. 2.
Fig. 4 is the enlarged drawing at B in Fig. 2.
Fig. 5 is the enlarged section of valve stem packing ring.
Fig. 6 is the enlarged drawing at C in Fig. 2.
Fig. 7 is the sectional view of the gun body of one embodiment of the invention.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the attached drawing in embodiment, to reality
The technical solution applied in example is clearly and completely described, it is clear that described embodiment is only that the application part is implemented
Example, rather than whole embodiments.Based on the embodiment provided, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that term "upper", "lower", "left", "right", "inner", "outside", "top",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this Shen
It is please described with simplified, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as the limitation to the application.
In the description of the present application, term " first ", " second ", " third ", " the 4th " etc. are used for description purposes only, without
It can be interpreted as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.
In the description of the present application, term " connection ", " connection ", " being equipped with ", " fixation " should broadly understood, either
It is connected directly, can also be to be connected by intermediary.
The invention discloses a kind of self-sealing refueling guns, as the outlet terminal on fuel charger.The self-styled oiling of the present invention
On the one hand rifle can be accurately controlled oil-gas ratin, refueling nozzle can not be opened when on the other hand in self-sealing refueling gun without oil pressure,
To improve the anti-misoperation performance of self-sealing refueling gun.The self-sealing refueling gun of the present invention is automatically closed when also there is container to be filled full
The function of oil gun.
The self-sealing refueling gun of the present invention includes gun body component 1, main valve 2, secondary valve 3, control valve group 4, trigger component 5 and oil
Gas proportioning valve 6.
In the present invention, gun body component 1 includes gun body 11, has portion of the handle 111 in gun body 11.Portion of the handle 111
Substantially tubular structure.In the concrete application self-sealing refueling gun, portion of the handle 111 is held for user to put the gun refueling.Such as
Shown in Fig. 7, portion of the handle 111 has fuel gallery 112, gas channel 113 and valve chamber 114.Wherein, fuel gallery 112 is used for
Convey fuel oil；Channel when gas channel 113 is as recycling oil gas, valve chamber 114 is for installing oil-gas proportional valve 6.
Referring to Fig. 2, Fig. 3, oil-gas proportional valve 6 includes Oil/Gas Pipe 61, Oil/Gas Pipe 61 with 114 coaxial line of valve chamber to setting, and
And one end of Oil/Gas Pipe 61 is connected with gas channel 113, slidable oil sealing door 62 is also cased with outside Oil/Gas Pipe 61, with oil sealing door
62 are coaxially set and fixed 63 fuel feeding of oil sealing gate seat closure door 62 offsets, and oil sealing door 62 has and oil sealing gate seat 63 is separated
Position and be butted on the position of oil sealing gate seat 63.When oil sealing door 62 and oil sealing gate seat 63 are separated, oil-gas proportional valve 6 open and
Fuel gallery 112 is connected, then the fuel oil on fuel charger flows into fuel oil through the gap between oil sealing door 62 and oil sealing gate seat 63 and leads to
Road 112；When oil sealing door 62 is butted on oil sealing gate seat 63, oil-gas proportional valve 6 closes and blocks fuel gallery 112.
It can be compressed by oil pressure and the first spring 64 for being pre-compacted assembly pushes oil sealing door 62 to oil sealing gate seat 63.Specific
In application, when refueling nozzle does not access oil pressure (such as not starting fuel charger, without oil pressure in refueling nozzle), by the first bullet
The restoring force of spring 64 and so that oil sealing door 62 is butted on oil sealing gate seat 63, fuel gallery 112 is blocked；When refueling nozzle is by access oil
When pressure, oil pressure acts on oil sealing door 62 and overcomes the resistance of the first spring 64 so that and oil sealing door 62 is separated with oil sealing gate seat 63,
At this point, oil-gas proportional valve 6 opens and connects fuel gallery 112.
Oil sealing door 62 is further fixed on the first magnet 65, provides magnetic force and is moved with driving ratio cone core 67 to attach oil sealing door 62
It is dynamic.In one embodiment, as shown in Figure 3, oil sealing door 62 includes slide-and-guide section 621, the first magnet construction section 622, lip
623.The outer diameter of first magnet construction section 622 is more than the outer diameter of slide-and-guide section 621, and the first magnet construction section 622 is equipped with
Lip 623 is used to be in contact with oil sealing gate seat 63 and blocks oil circuit.621 structure annular in shape of slide-and-guide section, internal diameter and oil
The outer diameter of tracheae 61 is adapted, and typically microgap coordinates, and oil sealing door 62 is made to be only capable of the axial movement along Oil/Gas Pipe 61.First
Magnet construction section 622 is fixed with the first magnet 65.Specifically, in the present embodiment, the first magnet construction section 622 is equipped with and oil gas
The caveli of 61 coaxial line of pipe, the caveli are installed for the first magnet 65.First magnet 65 is in annular shape.First magnet construction section
Lock ring 66 is further fixed on 622, lock ring 66 offsets with the first magnet 65 and the first magnet 65 is made to be axially fixed.It may be noted that
It is subsidiary 62 movement of oil sealing door of the first magnet 65, lock ring 66.In the present embodiment, the also structure annular in shape of lock ring 66, lock ring 66
It is also set on Oil/Gas Pipe 61, and lock ring 66 is slidably matched with the formation of Oil/Gas Pipe 61.Lock ring 66 and the first magnet construction section 622
It is threadedly coupled.After tightening lock ring 66, lock ring 66 is butted on the first magnet 65 and it is made to be fixed in caveli.
Lock ring 66 also offsets for one end of first spring 64.The elastic-restoring force of first spring 64 is made by lock ring 66
With on oil sealing door 62.
Slidable ratio cone core 67 is additionally provided in Oil/Gas Pipe 61.As shown in the figure, ratio cone core 67 have body portion 671,
Cone core portion 672 and sealing lip 673.Body portion 671 is also fixed for 68 phase of the second magnet.In general, making the second magnet in axis by snap ring
It is positioned upwards.Second magnet 68 is also in annular shape, and the second magnet 68 is located at the outside in body portion 671 and is formed with Oil/Gas Pipe 61
It is slidably connected.Second magnet 68 and the first magnet 65 are attracting, so that ratio cone core 67 attaches the movement of oil sealing door 62.
It should be noted that being moved to make ratio cone core 67 attach oil sealing door 62 by magnetic force, can also only be bored in ratio
Core 67 or oil sealing door 62 fix magnet, can also be that ratio cone core 67 and/or oil sealing door 62 itself are made of magnet material；Also
It can be the combination that technological means is stated using side.
Be equipped with channel 674 in the body portion 671, the outlet end in channel 674 be located at the second magnet 68 and sealing lip 673 it
Between.Using this structure so that the second magnet 68 is entire circular ring structure, can generate larger magnetic force, to ensure that ratio is bored
Core 67 and 62 synchronizing moving of oil sealing door.
In the present embodiment, sealing lip 673 is that the sealing ring being arranged in ratio cone core 67 is formed.
Cone core seat be coaxially set with sealing lip 673 and fixed 69 offsets for sealing lip 673.Sealing lip 673 has
There are the position being separated with cone core seat 69 and the position being butted on cone core seat 69.When sealing lip 673 is in the position for being butted on cone core seat 69
When setting, the gas channel between Oil/Gas Pipe 61 and fuel charger is blocked, when sealing lip 673 and the phase separation of cone core seat 69, oil gas
Gas channel between pipe 61 and fuel charger is switched on, to make oil gas be recycled by fuel charger through refueling nozzle.
As shown in Figure 3, cone core seat 69 is seperated with pedestal 610.Cone core seat 69 is threadedly coupled with pedestal 610.In general, in order to
Ensure leakproofness, prevent fuel oil from entering oil and gas channel, cone core seat 69 is also formed by the first sealing ring 611 with pedestal 610 and sealed
Cooperation.Pedestal 610 is fixed on portion of the handle 111.As shown in the figure, pedestal 610 is threadedly coupled with portion of the handle 111, and is passed through
Second sealing ring 612 makes pedestal 610 form sealed connection with portion of the handle 111.Pedestal 610 is partially exposed at portion of the handle
Outside 111.The central part of pedestal 610 is equipped with for channel 1, the pipeline as recycling oil gas.It is equipped on the week edge of pedestal 610
Channel 2 614, to be multiple and uniformly distributed, the road as conveying fuel oil is logical.Connection of the pedestal 610 also as fuel charger petroleum pipeline
End.
Cone core seat 69 is also tightly connected with Oil/Gas Pipe 61.As shown in Figure 3, the first end of cone core seat 69 is also inserted into Oil/Gas Pipe
In 61.Third sealing ring 615 is cased with outside cone core seat 69, third sealing ring 615 has 2, makes cone by third sealing ring 615
Core print seat 69 obtains sealing cooperation with Oil/Gas Pipe 61, so that fuel gallery 112 and gas channel 113 are mutually isolated.
It is coaxially set with cone core portion 972 and the first end of axially slidable oil gas flow regulator 616 is for cone core portion
It is inserted into.Specifically, oil gas flow regulator 616 is in tubular construction.The first end of oil gas flow regulator 616 is from cone core seat 69
Second end is inserted into and is used to receive cone core portion 672.Oil gas flow regulator 616 is slidably connected with the formation of cone core seat 69.Gas stream
Amount adjuster 616 is also partly exposed at outside cone core seat 69 and is equipped with inclined surface 6161.It is located on pedestal 610 and is exposed to hand-held part
111 are divided to be equipped with screw-threaded counterbore, screw-threaded counterbore internal thread is connected with adjusting screw 617, and the tail end of adjusting screw 617 is equipped with and inclination
Oil gas flow regulator 616 is pushed to adjust by the conical surface 6171 that face 6161 is in contact by the second spring 618 for being pre-compacted assembly
Screw 617 is saved, opposite position of the oil gas flow regulator 616 relative to cone core portion 672 is adjusted by turning adjusting screw 617
It sets.
As shown in the figure, one end of second spring 618 is against on cone core seat 69, and the other end of second spring 618 is against oil
On throughput adjuster 616, specifically, it is against the back of inclined surface 6161.
In specific application, when pine moves back adjusting screw 617, oil gas flow regulator 616 is under the action of second spring 618
It moves to the right.As shown in the figure, the outer diameter in cone core portion 672 is gradually reduced from left to right.In this way, oil gas flow regulator 616
Gap between cone core portion 672 becomes larger, it is possible to increase the flow of oil gas.After being screwed into adjusting screw 617,617 tail of adjusting screw
The conical surface 6171 on end pushes the inclined surface 6161 on oil gas flow regulator 616 and makes oil gas flow regulator 616 to moving to left
It is dynamic, correspondingly, the gap between oil gas flow regulator 616 and cone core portion 672 becomes smaller, to reduce the flow of oil gas.Whereby, lead to
Turn adjusting screw 617 is crossed, to control oil gas flow, and then adjusts out target oil-gas ratin.
It is understood that due to the section in cone core portion 672 and the section of oil gas flow regulator 616 be it is compatible,
And cone core portion 672 is inserted into oil gas flow regulator 616, and the two can be adjusted since the position of gapless or microgap,
Therefore, the self-sealing refueling gun of the application can more accurately adjust oil-gas ratin.
In one embodiment, as shown in figure 3, when lip 623 is when being butted on the position of oil sealing gate seat 63, the pedestal 610
Also offseted for the slide-and-guide section 621 to carry out axial limiting to the oil sealing door 62.In this way, pedestal 610 is to oil sealing door 62
Shift position limit, to avoid oil sealing door 62 to the right excessive movement and with 63 clamping stagnation of oil sealing gate seat and hinder unlatching.
Referring to Fig. 7, gas channel 113 deviates the setting of 114 axis of valve chamber.In general, gas channel 113 is located at portion of the handle
111 bottom.Referring to Fig. 3, the oil-gas proportional valve 6 further includes connector 619, and the gas channel 113 is through connector 619 and oil gas
Pipe 61 is connected.The connector 619 and 113 close connection of gas channel, the connector 619 are tightly connected with Oil/Gas Pipe 61.Connector
619 both ends and the inner wall of valve chamber 114 are affixed, and oil sealing gate seat 63 is by connector 619 tight against on the end face of gas channel 113.
It is equipped with spring base 620 in the outlet end of the connector 619, the spring base 620 offsets for the first spring 64.Such as figure
Shown in 3, spring base 620 is also inserted into for one end of Oil/Gas Pipe 61.
Referring to Fig. 4, the main valve 2 includes valve rod 21, valve rod base 22, valve stem packing ring 23 and retainer ring 24；Valve rod 21 passes through
Valve rod base 22, valve rod base 22 are located in gun body 11, and valve rod base 22 is formed with gun body 11 and is tightly connected.It is also set on valve rod base 22
There is the valve stem packing ring 23 passed through for valve rod 21, in one embodiment, valve stem packing ring 23 is fixed on valve rod base by retainer ring 24
On 22.
As shown in figure 5, the valve stem packing ring 23 includes y-shaped ring main body 231, the interior table of y-shaped ring main body 231
Face has the lug boss 232 of axis protrusion thereto and keeps two 233 thickness of lip in y-shaped ring main body 231 asymmetric.It adopts
With the valve stem packing ring 23 of this structure with raising and the leakproofness of valve rod 21, avoid leaking.
The control valve group 4 mainly realizes following functions：When container is filled it up with, the main valve 2 in self-sealing refueling gun is certainly
It is dynamic to close (also referred to as automatic to jump rifle)；(fuel charger does not have the outside conveying fuel oil of duration when in refueling nozzle without access oil pressure
When), refueling nozzle (can not open main valve 2 and carry out refueling operation) can not be opened.
In one embodiment, control valve group 4 include valve deck 41, lower diaphragm unit 42, third spring 43, upper diaphragm 44,
Upper diaphragm clamping cap 45, carries and buckles 47 the 4th spring 46.
As shown in Figure 6, valve deck 41 is fixed by screws in gun body 11, and by the diaphragm in lower diaphragm unit 42
421 are clamped between gun body 11 and valve deck 41.Upper diaphragm clamping cap 45 is fixed in lid valve.In the present embodiment, upper diaphragm pressure
Tight lid 45 is threadedly coupled with valve deck 41 and the edge of upper diaphragm 44 is pressed between upper diaphragm clamping cap 45 and valve deck 41.Third
Spring 43 is assemblied between the clamp clip 422 in upper diaphragm clamping cap 45 and lower diaphragm unit 42 with being pre-compacted.It is attached to film
The button 47 that carries of 44 lower section of piece is slidably connected with upper diaphragm clamping cap 45, and the bar portion 423 in lower diaphragm unit 42 can be detained relative to carrying
47 move up, and the bar portion 423 of lower diaphragm unit 42 can be hooked and move up together by carrying when buckling shifting.It is pressed under the action of oil pressure
4th spring 46 of contracting is assemblied in carry with being pre-compacted to be buckled between upper diaphragm clamping cap 45.Upper diaphragm 44 is built with valve deck 41
Upper chamber 48 is connected by sluice way 49 with fuel gallery 112.The lower chambers 410 of upper diaphragm 44 and lower diaphragm unit 42 structure
It is connected with tracheae by air entraining passage 411.Lower chambers 410 are also connected with the stomata on secondary valve 3.
Bar portion 423 in lower diaphragm unit 42 also protrudes into rod set 412, and rod set 412 is equipped with steel ball 413, rod set
It is equipped with the hole being exposed for the part of steel ball.Bar portion has large-diameter portion 4121 and small diameter portion 4122.When large-diameter portion 4121
When side contacts steel ball 413, large-diameter portion steel ball 413 is squeezed out and make its be partially exposed at rod set 412 it is outer and in gun body 11
Inclined-plane 1101 is in contact, to make loop bar obtain fulcrum.When bar portion 423 is raised, small diameter portion 4122 and steel ball 413 it is opposite and
It concedes the space of storage steel ball 413 and steel ball is made to take in rod set, to make loop bar 412 lose fulcrum.At this point, in triggering pulling 51
When, loop bar 412 is slided relative to gun body 11 always, and trigger can not push valve rod 21, can not then open main valve 2.Only in loop bar
Fulcrum is obtained, at this point, in triggering pulling 51, loop bar 412 is fixed relative to gun body 11, and then trigger pushes valve rod 21 and opens
Main valve 2.
The operation principle of this control bound 2 is：When fuel gallery 112 does not have oil pressure, in the effect of the 4th spring 46
Under carry and buckle shifting, and carry button 47 and hook bar portion 423 and move up together and keep small diameter portion 4122 opposite with steel ball 413.When fuel oil is logical
When there is oil pressure in road 112 and opens, oil pressure, which acts on to make to carry to overcome the resistance of the 4th spring 46 on upper diaphragm 44, detains shifting, together
When, large-diameter portion 4121 squeezes out steel ball 413 under the action of third spring 43.When the liquid level in refueling process in container did not had tracheae
Input end when, lower chambers will form negative pressure, lower diaphragm unit 42 overcome the resistance driven rod portion 423 of third spring 43 move up and
Keep small diameter portion 4122 opposite with steel ball 413.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.
Claims (10)
1. a kind of self-sealing refueling gun, including gun body component, main valve, secondary valve, control valve group, trigger component and oil-gas proportional valve,
Gun body component includes gun body, and there is portion of the handle, portion of the handle to have fuel gallery, gas channel and valve chamber, valve chamber in gun body
It is installed for oil-gas proportional valve, oil-gas proportional valve includes Oil/Gas Pipe, and Oil/Gas Pipe is coaxially set with valve chamber, and one end of Oil/Gas Pipe
It is connected with gas channel, slidable oil sealing door is also cased with outside Oil/Gas Pipe, with the coaxial arrangement of oil sealing door and fixed oil sealing
Gate seat fuel feeding closure door offsets, the position that oil sealing door has the position being separated with oil sealing gate seat and is butted on oil sealing gate seat；It can be oily
It compresses and the first spring for being pre-compacted assembly pushes oil sealing door to oil sealing gate seat；Slidable ratio is additionally provided in Oil/Gas Pipe
Cone core；Ratio cone core attaches the movement of oil sealing door by magnetic force, it is characterised in that：Ratio cone core includes cone core portion and sealing lip；With
Sealing lip coaxial arrangement and fixed cone core seat offsets for sealing lip and forms sealing cooperation；Cone core seat is fixed with pedestal to be connected
It connects；Pedestal is fixed on portion of the handle, and cone core seat is also tightly connected with Oil/Gas Pipe；It is coaxially set and can slide axially with cone core portion
Oil gas flow regulator first end for cone core portion be inserted into；The second end of oil gas flow regulator is equipped with inclined surface；In pedestal
It is equipped with screw-threaded counterbore, screw-threaded counterbore internal thread is connected with adjusting screw, and the tail end of adjusting screw is equipped with to be in contact with inclined surface
The conical surface, push oil gas flow regulator to adjusting screw by the second spring for being pre-compacted assembly, pass through rotation adjust spiral shell
It follows closely to adjust relative position of the oil gas flow regulator relative to cone core portion.
2. self-sealing refueling gun according to claim 1, it is characterised in that：The first end of the oil gas flow regulator is inserted into
In cone core seat, and the second end of oil gas flow regulator is exposed to outside cone core seat；The inner surface of cone core seat and oil gas flow-rate adjustment
The outer surface of device is in contact, and institute's cone core seat is slidably connected with the formation of oil gas flow regulator.
3. self-sealing refueling gun according to claim 1, it is characterised in that：Oil sealing door includes slide-and-guide section and is connected to cunning
First magnet construction section of action-oriented section, the first magnet construction section are fixed with the first magnet；The ratio cone core has body portion, body
Portion is installed for the second magnet, and the first magnet and the second magnet are attracting.
4. self-sealing refueling gun according to claim 3, it is characterised in that：Second magnet is sleeved on the outside in body portion, institute
The outer surface for stating magnet is in contact and is formed with the inner surface of Oil/Gas Pipe and is slidably connected.
5. self-sealing refueling gun according to claim 4, it is characterised in that：The second magnet structure annular in shape, described
Body portion is equipped with channel, and the outlet end in channel is between the second magnet and sealing lip.
6. self-sealing refueling gun according to claim 1, it is characterised in that：Gas channel deviates the setting of valve chamber axis, described
Oil-gas proportional valve further includes connector, and the gas channel is connected through connector with Oil/Gas Pipe.
7. self-sealing refueling gun according to claim 6, it is characterised in that：Gas channel is located at the bottom of portion of the handle, institute
The inner wall at the both ends and valve chamber of stating connector is affixed, and the oil sealing gate seat is by connector tight against on the end face of gas channel.
8. self-sealing refueling gun according to claim 6, it is characterised in that：It is equipped with spring base in the outlet end of the connector,
The spring base offsets for the first spring.
9. self-sealing refueling gun according to claim 1, it is characterised in that：The main valve includes that valve rod, valve rod base, valve rod are close
Seal and retainer ring；Valve rod passes through valve rod base, valve rod base to be located in gun body, and valve rod base is formed with gun body and is tightly connected；Valve rod
The valve stem packing ring passed through for valve rod is additionally provided on seat, the valve stem packing ring includes y-shaped ring main body, y-shaped ring master
The inner surface of body has the lug boss of axis protrusion thereto and keeps the thickness of two lips in y-shaped ring main body asymmetric.
10. according to claim 1-9 any one of them self-sealing refueling guns, it is characterised in that：The control valve group includes valve
Lid, valve deck are fixed in gun body and the diaphragm in lower diaphragm unit are clamped between gun body and valve deck；It is fixed in lid valve
Diaphragm clamping cap；Third spring is assemblied between the clamp clip in upper diaphragm clamping cap and lower diaphragm unit with being pre-compacted；On
The edge of upper diaphragm is also pressed between upper diaphragm clamping cap and valve deck by diaphragm clamping cap；Be attached to below upper diaphragm carrying button with
Upper diaphragm clamping cap is slidably connected；Compressed 4th spring is assemblied in carry and buckle and upper film with being pre-compacted under the action of oil pressure
Between piece clamping cap；Bar portion in lower diaphragm unit can be moved up relative to button is carried, and lower diaphragm can be hooked by carrying when buckling shifting
Bar portion in component moves up together；Bar portion in lower diaphragm unit also protrudes into rod set, and rod set is equipped with steel ball, in rod set
Equipped with the hole that the part for steel ball is exposed, the bar portion in lower diaphragm unit has large diameter portion and small diameter portion, when large-diameter portion
When side contacts steel ball, steel ball extrusion is made it be partially exposed at outside rod set and is in contact with the inclined-plane in gun body by large-diameter portion, from
And loop bar is made to obtain fulcrum；When bar portion is raised, small diameter portion is opposite with steel ball and concedes the space of storage steel ball and makes steel ball
It takes in rod set, to make loop bar lose fulcrum；The upper chamber that upper diaphragm is built with valve deck passes through sluice way and fuel gallery phase
Connection；Upper diaphragm is connected by air entraining passage with tracheae with the lower chambers of lower diaphragm component construction；Lower chambers also on secondary valve
Stomata is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174489.2A CN108328560B (en) | 2018-03-02 | 2018-03-02 | Self-sealing oil gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174489.2A CN108328560B (en) | 2018-03-02 | 2018-03-02 | Self-sealing oil gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108328560A true CN108328560A (en) | 2018-07-27 |
| CN108328560B CN108328560B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810174489.2A Active CN108328560B (en) | 2018-03-02 | 2018-03-02 | Self-sealing oil gun |
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| Country | Link |
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| CN (1) | CN108328560B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110510566A (en) * | 2019-09-03 | 2019-11-29 | 河南英高能源科技有限公司 | A kind of oiling volume control device |
| CN116891210A (en) * | 2023-09-04 | 2023-10-17 | 济南弗莱德科技有限公司 | Device for realizing zero emission of oil gas of gas station through secondary oil gas recovery |
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| CN208135893U (en) * | 2018-03-02 | 2018-11-23 | 温州正凌机械制造有限公司 | Self-sealing refueling gun |
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| CN201598170U (en) * | 2010-01-21 | 2010-10-06 | 浙江麦得机器有限公司 | Oil-gas recovery self-sealing refueling gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110510566A (en) * | 2019-09-03 | 2019-11-29 | 河南英高能源科技有限公司 | A kind of oiling volume control device |
| CN110510566B (en) * | 2019-09-03 | 2020-11-20 | 河南英高能源科技有限公司 | Refuel flow control device |
| CN116891210A (en) * | 2023-09-04 | 2023-10-17 | 济南弗莱德科技有限公司 | Device for realizing zero emission of oil gas of gas station through secondary oil gas recovery |
| CN116891210B (en) * | 2023-09-04 | 2023-12-01 | 济南弗莱德科技有限公司 | Device for realizing zero emission of oil gas of gas station through secondary oil gas recovery |
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| Publication number | Publication date |
|---|---|
| CN108328560B (en) | 2023-12-12 |
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