CN209702295U - A kind of self-sealing petroleum vapor recovery gun adapter - Google Patents

Abstract

The utility model discloses a kind of self-sealing petroleum vapor recovery gun adapters, belong to gasoline refueling nozzle equipment technical field, including oil gun body, main valve, self-styled mechanism, secondary valve, reducing sleeve, gun adapter, suction nozzle, baffle, switch handle and limit plate, it is characterized in that, the outer cover of the reducing sleeve is equipped with fixing sucking disk, the fixing sucking disk is equipped with adsorption tank, adsorption tank structure in a ring, muffler is equipped in the gun adapter, one end of the muffler is connected to the suction nozzle, the other end of the muffler extends to the front end of secondary valve along gun adapter, the lower end of the pair valve is equipped with the filter assemblies being connected to muffler, the utility model can be improved oil gun when refueling to the rate of recovery of the gasoline of volatilization, it avoids gasoline from drifting and security risk is caused to gas station in air.

Description

A kind of self-sealing petroleum vapor recovery gun adapter

Technical field

The utility model relates to gasoline refueling nozzle equipment technical fields, more particularly, to a kind of self-sealing petroleum vapor recovery oil gun Mouth.

Background technique

With the development of economy, automobile enters average family comprehensively, and gasoline is the power source of automobile, and gas station is giving It needs to use oil pipe and oil gun when automobile fuel filler, but gasoline has effumability, and the gasoline volatilized is drifted in sky In gas, great risk can be brought even to set off an explosion to gas station, therefore, existing oil gun all has certain petroleum vapor recovery Function, still, there is also certain shortcomings for existing oil gun, can reduce the ability of oil gun recycling oil gas；First, existing oil At the oil filler that rifle is overlapped on automobile mostly when refueling, this causes to lead to oil without forming sealing between oil filler and oil gun Gas will not be collected from the gas returning port of oil gun completely, and second, the oil gas of existing oil gun recycling can be directly in oil gun and vapour Oil mixing, but to the liquefaction of oil gas, there is no biggish helps, so that oil gas still remains, and cause to mix inside gasoline Air is readily ignited and generates explosion.

Utility model content

The purpose of this utility model is to provide a kind of self-sealing petroleum vapor recovery gun adapters, to solve oil gun in the prior art Recycle the poor technical problem of oil gas effect.

The utility model provides a kind of self-sealing petroleum vapor recovery gun adapter, including oil gun body, main valve, self-styled mechanism, secondary valve, Reducing sleeve, gun adapter, suction nozzle, baffle, switch handle and limit plate, the outer cover of the reducing sleeve is equipped with fixing sucking disk, described Fixing sucking disk is equipped with adsorption tank, adsorption tank structure in a ring, is equipped with muffler in the gun adapter, the muffler One end is connected to the suction nozzle, and the other end of the muffler extends to the front end of secondary valve along gun adapter, under the pair valve End is equipped with the filter assemblies being connected to muffler.

Further, the filter assemblies include recycling shell and escape pipe, and the upper end of the recycling shell and oil gun body are fixed and connected It connects and the upper end for recycling shell is connected to muffler, the inside of the recycling shell is equipped with reclaiming chamber, and the inside of the reclaiming chamber is equipped with The lower end of active carbon, the recycling shell is equipped with escape pipe, and the escape pipe is connected to the reclaiming chamber.

Further, the middle part of the suction tray is equipped with sealing ring.

Further, the side of the gun adapter is equipped with elastic sheet metal.

Further, it is threadedly coupled between the gun adapter and gun body.

Compared with prior art, the utility model has the beneficial effects that:

First, being fixedly connected with oil gun body with vehicle oil filler by fixing sucking disk, and a closed space is formed, added When oily, gasoline level gradually rises the space that can compress liquid level upper end in fuel tank, so that the pressure of liquid level upper end gas increases Greatly, so that gas enters in muffler from suction nozzle, gas is flowed into filter assemblies from muffler and is filtered, and passes through active carbon By the oil gas absorption in gas, air is exhausted later, reduces drifting for the gasoline of volatilization, reduces the security risk of gas station, Sealing space can be formed between oil gun and mailbox with being fixedly connected for automobile by fixing sucking disk, so that in fuel tank Air is merely able to move along muffler, to improve the effect of petroleum vapor recovery and processing.

Second, using activated carbon adsorption oil gas in the utility model, in use for some time, removing recycling shell can be light Easily replace its internal active carbon, active carbon adsorption is a kind of high efficiente callback method, can be effectively solved and mixes in gas Gasoline so that the gasoline content that mixes is low in gas discharge, can be avoided gas station due to gasoline volatilization existing for security risk, Active carbon is low in cost, and is conveniently replaceable.

Third, recovery processing of the oil gun to oil gas can be further increased by being provided with sealing ring in the utility model, solid After determining sucker and vehicle oil filler absorption connection, the air communication in adsorption tank and mailbox can be prevented by the effect of sealing ring It can not play a role so as to cause fixing sucking disk.

Fourth, being provided with elastic sheet metal in the utility model, the effect of elastic sheet metal is to connect gun adapter and automobile It connects, using the preceding electrostatic first eliminated on oil gun body, prevents the presence because of electrostatic from causing unexpected, elastic sheet metal has good Elasticity can either prevent from scratching car body when itself from contacting with automobile, can also be avoided by its elasticity design to fixing sucking disk Use impact.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the cross-sectional view of the utility model.

Appended drawing reference:

Oil gun body 1, main valve 2, self-styled mechanism 3, secondary valve 4, reducing sleeve 5, gun adapter 6, suction nozzle 7, baffle 8, switch 9, Limit plate 10, fixing sucking disk 11, adsorption tank 12, muffler 13, filter assemblies 14 recycle shell 14a, escape pipe 14b, active carbon 14c, sealing ring 15, sheet metal 16.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.

Below with reference to shown in Fig. 1, the utility model embodiment provides a kind of self-sealing petroleum vapor recovery gun adapter, including oil Gun body 1, self-styled mechanism 3, secondary valve 4, reducing sleeve 5, gun adapter 6, suction nozzle 7, baffle 8, is switched 9 and limit plate 10 main valve 2, The outer cover of the reducing sleeve 5 is equipped with fixing sucking disk 11, and the fixing sucking disk 11 is equipped with adsorption tank 12, and the adsorption tank 12 is in Ring structure, the gun adapter 6 is interior to be equipped with muffler 13, and one end of the muffler 13 is connected to the suction nozzle 7, and described time The other end of tracheae 13 extends to the front end of secondary valve 4 along gun adapter 6, and the lower end of the pair valve 4 is equipped with to be connected to muffler 13 Filter assemblies 14；When in use, oil gun body 1 is fixedly connected with vehicle oil filler by fixing sucking disk 11, and it is closed to form one Space, when refueling, gasoline level gradually rises the space that can compress liquid level upper end in fuel tank, so that liquid level upper end gas The pressure of body increases so that gas enters in muffler 13 from suction nozzle 7, gas from muffler 13 flow into filter assemblies 14 into Row filtering, the oil gas in gas can be adsorbed, later exhaust air.

Specifically, the filter assemblies 14 include recycling shell 14a and escape pipe 14b, the upper end of the recycling shell 14a and oil Gun body 1 is fixedly connected and recycles the upper end of shell 14a and is connected to muffler 13, and the inside of the recycling shell 14a is equipped with reclaiming chamber, institute State reclaiming chamber inside be equipped with active carbon 14c, it is described recycling shell 14a lower end be equipped with escape pipe 14b, the escape pipe 14b with The reclaiming chamber connection；When refueling, gasoline volatilization and the gas mixed with air enter along recycling shell 14a along muffler 13, The oil gas in gas is adsorbed by active carbon 14c, wherein active carbon 14c uses gasoline special-purpose activated charcoal 14c, is using one After the section time, its internal active carbon 14c can be replaced easily by removing recycling shell 14a, and active carbon 14c absorption method is a kind of efficient Absorption method can be effectively solved the gasoline mixed in gas, so that the gasoline content mixed in gas discharge is low, can be avoided Gas station due to gasoline volatilization existing for security risk, active carbon 14c is low in cost, and is conveniently replaceable.

Specifically, the middle part of the fixing sucking disk is equipped with sealing ring 15；Connect in fixing sucking disk 11 and vehicle oil filler absorption After connecing, the air communication in adsorption tank 12 and mailbox can be prevented so as to cause 11 nothing of fixing sucking disk by the effect of sealing ring 15 Method plays a role.

Specifically, the side of the gun adapter 6 is equipped with elastic sheet metal 16, and the effect of elastic sheet metal 16 is by gun adapter 6 connect with automobile, using the preceding electrostatic first eliminated on oil gun body 1, prevent the presence because of electrostatic from causing unexpected, elastic sheet metal 16 have good elasticity, can either prevent from scratching car body when itself from contacting with automobile, can also be kept away by its elasticity design Exempt to impact the use of fixing sucking disk 11.

It is threadedly coupled between the gun adapter 6 and gun body 1, facilitates the replacement of gun adapter.

Working principle of the utility model is: when in use, oil gun body 1 is fixed with vehicle oil filler by fixing sucking disk 11 Connection, and a closed space is formed, when refueling, gasoline level gradually rises the space that can compress liquid level upper end in fuel tank, So that the pressure of liquid level upper end gas increases, so that gas enters in muffler 13 from suction nozzle 7, gas is from muffler 13 It flows into filter assemblies 14 and is filtered, the oil gas in gas is adsorbed by active carbon 14c, air is exhausted later, is reduced The gasoline of volatilization drifts, and reduces the security risk of gas station.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope It is defined by appending claims and equivalents.

Claims (5)

1. a kind of self-sealing petroleum vapor recovery gun adapter, including oil gun body (1), main valve (2), self-styled mechanism (3), secondary valve (4), switching (5), gun adapter (6), suction nozzle (7), baffle (8), switch are covered (9) and limit plate (10), which is characterized in that the reducing sleeve (5) outer cover is equipped with fixing sucking disk (11), and the fixing sucking disk (11) is equipped with adsorption tank (12), and the adsorption tank (12) is in Ring structure, the gun adapter (6) is interior to be equipped with muffler (13), and one end and the suction nozzle (7) of the muffler (13) are even Logical, the other end of the muffler (13) extends to the front end of secondary valve (4) along gun adapter (6), and the lower end of the pair valve (4) is equipped with The filter assemblies (14) being connected to muffler (13).

2. a kind of self-sealing petroleum vapor recovery gun adapter according to claim 1, it is characterised in that: the filter assemblies (14) Including recycling shell (14a) and escape pipe (14b), the upper end of recycling shell (14a) is fixedly connected with oil gun body (1) and recycles shell The upper end of (14a) is connected to muffler (13), and the inside of recycling shell (14a) is equipped with reclaiming chamber, the inside of the reclaiming chamber Equipped with active carbon (14c), it is described recycling shell (14a) lower end be equipped with escape pipe (14b), the escape pipe (14b) with described time Receive chamber connection.

3. a kind of self-sealing petroleum vapor recovery gun adapter according to claim 1, it is characterised in that: in the fixing sucking disk Portion is equipped with sealing ring (15).

4. a kind of self-sealing petroleum vapor recovery gun adapter according to claim 1, it is characterised in that: the gun adapter (6) Side is equipped with elastic sheet metal (16).

5. a kind of self-sealing petroleum vapor recovery gun adapter according to claim 1, it is characterised in that: the gun adapter (6) with Gun body is threadedly coupled between (1).