CN209428116U

CN209428116U - A kind of petroleum vapor recovery refueling nozzle being convenient to clean

Info

Publication number: CN209428116U
Application number: CN201920100972.6U
Authority: CN
Inventors: 徐艳华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2019-09-24
Anticipated expiration: 2029-01-22

Abstract

A kind of petroleum vapor recovery refueling nozzle being convenient to clean disclosed by the utility model including oiling gun body and is arranged in the fuel filler neck of oiling gun body side, is set with air intake duct on fuel filler neck, air intake duct is removably attached with oiling gun body；The left side cooperation fuel filler neck of air intake duct is provided with through-hole, and sealing ring is removably provided in through-hole, and the inside fitting of sealing ring is arranged on the outer wall of fuel filler neck；It is provided with internal screw thread on the right side of air intake duct, connector sleeve is fixedly installed on oiling gun body, cooperation internal screw thread is provided with external screw thread on connector sleeve, and connector sleeve is sleeved on the outside of fuel filler neck and is provided with gas transit chamber between connector sleeve and fuel filler neck；Air intake duct is arranged to dismountable structure by the utility model, is facilitated timing clear up, can not only be avoided blocking, but also be can be avoided liquefied gasoline and backflowed out of from the suction hole on air-breathing set, prevents from making refueling nozzle dirty, facilitate carry out using.

Description

A kind of petroleum vapor recovery refueling nozzle being convenient to clean

Technical field

The utility model relates to gas station's refueling nozzle technical fields more particularly to a kind of petroleum vapor recovery being convenient to clean to add Oil gun.

Background technique

Gas station refers to the refilling station of retail gasoline and machine oil of for automobile and other motor vehicles services, generally adds Bunkering of fuel, lubricating oil etc., the petroleum goods sold by gas station have easily fire, volatile, easy to leak, easily gather it is quiet The characteristic of charge, thus gas station with " safety " for the first criterion, No Open Flames in gas station, forbids to be engaged in that there may be sparks The operation of property is forbidden to fill gasoline into the vaporizer and simultaneous bucket of automobile, and all stations are entered the station must first stop working when refueling, and forbid All dangerous material inbounds.

Vehicle is when gas station is refueled, due to the volatilizable property of fuel oil, after fuel oil high speed enters fuel tank The fuel oil of fuel tank internal can accelerate to contact with air and splash bubble, form the combustion mixture of fuel oil and air and the spray of high speed Fuel tank out, this gaseous mixture can be stayed for some time around vehicle and fuel charger without dissipating immediately, we are often in oiling When the strong smell of petrol that smells drawn even if above-mentioned flammable gaseous mixture once encountering open fire, Mars or electrostatic and existing The risk of combustion, there is very big security risks, although there are clear stipulaties in gas station, No Open Flames, what vehicle electric element occurred The electrostatic that electric spark and equipment and human body generate can not but completely cut off, and to solve the above-mentioned problems, occur on the market various The refueling nozzle with petroleum vapor recovery function, the combustion mixture that be will volatilize out using the getter device being arranged on refueling nozzle inhaled It receives, the processing concentrated, to achieve the purpose that eliminate safe hidden trouble.

A kind of " air-breathing dress of refueling nozzle is such as disclosed in the patent of invention specification of Publication No. " CN106744632A " Set ", composition is started switch by air-breathing set, exhaust tube, negative pressure ventilation machine, exhaust pipe and induction, air-breathing set is mounted on refueling nozzle Fuel filler neck on, by exhaust tube connect negative pressure ventilation machine, induction start switch is mounted on fuel charger place refueling nozzle at, to The Switching Power Supply for controlling negative pressure ventilation machine, when refueling nozzle is removed from fuel charger, negative pressure ventilation machine is started to work, and gas is from suction Air-casing sucking enters negative pressure ventilation machine through exhaust tube, gas station is discharged in the gas of extraction by exhaust pipe, thus when preventing from refueling The danger of fire occurs after being ignited for the fuel gas of generation.

In the above technical solution, air-breathing set is fixedly connected with refueling nozzle, during prolonged use, air-breathing set Inside due to frequently by the gaseous mixture of fuel oil and air, a part of fuel oil liquefaction in air-breathing covers, and slowly tired Product, when accumulating to a certain extent, the inside that can not only cover air-breathing is blocked, and be also easy to cover upper suction hole by air-breathing It backflows out of and, be easy to make refueling nozzle dirty, bring inconvenience, so needing to improve the structure.

Utility model content

The purpose of this utility model is that providing a kind of petroleum vapor recovery being convenient to clean in place of avoiding the deficiencies in the prior art Refueling nozzle, to effectively solve the shortcomings of the prior art.

To achieve the above object, a kind of technical solution that the utility model is taken are as follows: petroleum vapor recovery oiling being convenient to clean Rifle including oiling gun body and is arranged in the fuel filler neck of oiling gun body side, is set with air intake duct on the fuel filler neck, institute Air intake duct is stated removably to be attached with the oiling gun body；

The left side of the air intake duct cooperates the fuel filler neck to be provided with through-hole, and the diameter of through-hole is greater than the outer of the fuel filler neck Diameter, sealing ring is removably provided in the through-hole, and the inside fitting of sealing ring is arranged on the outer wall of fuel filler neck；

It is provided with internal screw thread on the right side of the air intake duct, is fixedly installed connector sleeve, connector sleeve on the oiling gun body The upper cooperation internal screw thread is provided with external screw thread, and the connector sleeve is sleeved on the outside of the fuel filler neck and connector sleeve and fuel filler neck Between be provided with gas transit chamber, the gas transit chamber is connected with the inside of the air intake duct；

It is circumferentially arranged on the air intake duct to have several air entries；

Annular receiving groove is provided on the oiling gun body, being provided with for can moving left and right in the annular receiving groove is close Sealing rubber ring, is provided with compressed spring between sealing rubber ring and the annular receiving groove, the sealing rubber ring is resisted against the air-breathing The right side of pipe；

The oiling gun body is set side by side with oil filling pipe and exhaust pipe, the oiling in the side far from the fuel filler neck Pipe is connected to setting with the fuel filler neck, and the exhaust pipe is connected to setting with the gas transit chamber.

Further, the sealing ring is cooperated to be provided with card slot on the air intake duct, sealing ring is connected in card slot.

Further, annular groove is offered among the inside of the sealing ring, sealing ring is divided by annular groove to be added with described respectively Two parts that oil nozzle fits.

Further, the angle between the air entry and the axial direction of fuel filler neck is 40-70 °.

Further, it is connected between the sealing rubber ring and air intake duct by mutually matched slope structure.

Further, it is provided with limited block on the outside of the sealing rubber ring, the limit edge is cooperated on the oiling gun body It is provided with limit edge.

Further, sleeve is removably provided on the oiling gun body, sleeve and oiling gun body are enclosed institute State annular receiving groove.

It is removable that the above-mentioned technical proposal of the utility model has the advantages that air intake duct is arranged to by the utility model The structure unloaded facilitates timing clear up, can not only avoid blocking, but also can be avoided liquefied gasoline from air-breathing set On suction hole backflow out of come, prevent from making refueling nozzle dirty, facilitate carry out using.

Detailed description of the invention

Fig. 1 is the utility model embodiment structural schematic diagram；

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Specific embodiment

The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment For illustrating the utility model, but cannot be used to limit the scope of the utility model.

In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.

As shown in Figs. 1-2, a kind of petroleum vapor recovery refueling nozzle being convenient to clean described in the present embodiment, including oiling gun body 1 and the fuel filler neck 2 of 1 side of oiling gun body is set, is set with air intake duct 3 on fuel filler neck 2, air intake duct 3 removably with Oiling gun body 1 is attached, air intake duct 3 is arranged to dismountable structure, is facilitated timing clear up, can not only be kept away Exempt to block, but also can be avoided liquefied gasoline and backflow out of from the suction hole on air-breathing set, prevents from making refueling nozzle dirty, it is convenient Carry out using.

The left side cooperation fuel filler neck 2 of air intake duct 3 is provided with through-hole 3a, and the diameter of through-hole 3a is greater than the outer diameter of fuel filler neck 2, leads to Sealing ring 4 is removably provided in the 3a of hole, the inside fitting of sealing ring 4 is arranged on the outer wall of fuel filler neck 2, it is preferred that close The internal diameter of seal 4 is less than the outer diameter 0.5-2mm of fuel filler neck 2, guarantees the sealing effect of sealing ring 4.

The right side of air intake duct 3 is provided with internal screw thread 3b, is fixedly installed connector sleeve 5 on oiling gun body 1, on connector sleeve 5 Cooperation internal screw thread 3b is provided with external screw thread, and connector sleeve 5, which is sleeved between the outside of fuel filler neck 2 and connector sleeve 5 and fuel filler neck 2, to be arranged There is gas transit chamber 6, gas transit chamber 6 is connected with the inside of air intake duct 3.

Specifically, connector sleeve 5 is integrally formed structures with oiling gun body 1；Alternatively, connector sleeve 5 is by screw and adds Oil gun ontology 1 removably connects；Alternatively, connector sleeve 5 is removably connect by way of clamping with oiling gun body 1.

Circumferentially arranged on air intake duct 3 to have several air entry 3c, the angle between air entry 3c and the axial direction of fuel filler neck 2 is 40-70 °, air entry 3c is arranged to inclined structure, air intake duct 3 can be backflowed out of to avoid liquefied gasoline, is easy to use, keeps away Exempt from unnecessary trouble.

Annular receiving groove 1a is provided on oiling gun body 1, what can be moved left and right in annular receiving groove 1a is provided with sealing Cushion rubber 7, is provided with compressed spring 8 between sealing rubber ring 7 and annular receiving groove 1a, compressed spring 8 is circumferentially evenly provided with Many places guarantee the uniform force of compressed spring 8, and sealing rubber ring 7 is resisted against the right side of air intake duct 3, pass through sealing rubber ring 7 and compression The structure that spring 8 combines not only further improves the sealing effect of sealing rubber ring 7, but also plays one to air intake duct 3 The effect of reaction force avoids air intake duct 3 from loosening during use, improves the reliability used.

Oiling gun body 1 is set side by side with oil filling pipe 9 and exhaust pipe 10 in the side far from fuel filler neck 2, oil filling pipe 9 with add The connection setting of oil nozzle 2, oil filling pipe 9 and exhaust pipe 10 can be synthesized together by way of injection molding when production, can also be with It is held together by band, exhaust pipe 10 is connected to setting with gas transit chamber 6.

Sealing ring 4 is cooperated to be provided with card slot on air intake duct 3, sealing ring 4 is connected in card slot, and avoid sealing ring 4 from falling off, and And it is installed convenient for the clamping of sealing ring 4.

Annular groove 4a is offered among the inside of sealing ring 4, sealing ring 4 is divided by annular groove 4a to be affixed with fuel filler neck 2 respectively Two parts closed.

It is connected between sealing rubber ring 7 and air intake duct 3 by mutually matched slope structure, it is preferred that slope structure and suction The axial direction of tracheae 3 is in 45 ° of angles, is bonded by slope structure, increases the contact between sealing rubber ring 7 and air intake duct 3 Area improves leakproofness.

The outside of sealing rubber ring 7 is provided with limited block 7a, and cooperation limit is provided with limit edge along 7a on oiling gun body 1 1b, the phenomenon that avoiding sealing rubber ring 7 from falling off during use, improve reliability.

Sleeve 11 is removably provided on oiling gun body 1, sleeve 11 and oiling gun body 1 are enclosed annular receiving Sleeve 11 is arranged to dismountable structure, facilitates the installation of sealing rubber ring 7 and compressed spring 8 by slot 1a；Specifically, set Cylinder 11 is attached by screw with oiling gun body 1.

The working principle of the utility model are as follows: exhaust pipe 10 is connected with air extractor, and air extractor is connected with delivery pipe, row It puts pipe and is connected with emission-control equipment, when in use, air extractor works so that generating at exhaust pipe 10, air entry 3c negative Pressure, in this way during oiling, the mixed gas volatilized will pass through air entry 3c and enter in air intake duct 3, and mix Gas is entered by exhaust pipe 10 and carries out processing therein in emission-control equipment.

The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.

Claims

1. including oiling gun body and adding for oiling gun body side is arranged in a kind of petroleum vapor recovery refueling nozzle being convenient to clean Oil nozzle is set with air intake duct on the fuel filler neck, it is characterised in that: the air intake duct removably with the oiling gun body into Row connection；

The left side of the air intake duct cooperates the fuel filler neck to be provided with through-hole, and the diameter of through-hole is greater than the outer diameter of the fuel filler neck, Sealing ring is removably provided in the through-hole, the inside fitting of sealing ring is arranged on the outer wall of fuel filler neck；

It is provided with internal screw thread on the right side of the air intake duct, connector sleeve is fixedly installed on the oiling gun body, is matched on connector sleeve It closes the internal screw thread and is provided with external screw thread, the connector sleeve is sleeved on the outside of the fuel filler neck and between connector sleeve and fuel filler neck It is provided with gas transit chamber, the gas transit chamber is connected with the inside of the air intake duct；

Annular receiving groove is provided on the oiling gun body, what can be moved left and right in the annular receiving groove is provided with sealant Circle, is provided with compressed spring, the sealing rubber ring is resisted against the air intake duct between sealing rubber ring and the annular receiving groove Right side；

The oiling gun body is set side by side with oil filling pipe and exhaust pipe in the side far from the fuel filler neck, the oil filling pipe with The fuel filler neck connection setting, the exhaust pipe are connected to setting with the gas transit chamber.

2. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1, it is characterised in that: on the air intake duct The sealing ring is cooperated to be provided with card slot, sealing ring is connected in card slot.

3. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1 or 2, it is characterised in that: the sealing Annular groove is offered among the inside of circle, sealing ring is divided into two parts to fit respectively with the fuel filler neck by annular groove.

4. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1, it is characterised in that: the air entry with Angle between the axial direction of fuel filler neck is 40-70 °.

5. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1, it is characterised in that: the sealing rubber ring It is connect between air intake duct by mutually matched slope structure.

6. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1, it is characterised in that: the sealing rubber ring Outside be provided with limited block, cooperate the limit along being provided with limit edge on the oiling gun body.

7. a kind of petroleum vapor recovery refueling nozzle being convenient to clean according to claim 1, it is characterised in that: the refueling nozzle sheet Sleeve is removably provided on body, sleeve and oiling gun body are enclosed the annular receiving groove.