CN214748667U

CN214748667U - Oil filling pipe liquid seal effect detection device

Info

Publication number: CN214748667U
Application number: CN202120521189.4U
Authority: CN
Inventors: 张允峰; 唐基荣; 徐靖
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-16
Anticipated expiration: 2031-03-12

Abstract

The application discloses a device for detecting the liquid sealing effect of an oil filling pipe, which comprises an oil filling platform frame, a liquid sealing device and a liquid sealing device, wherein the oil filling platform frame is arranged on the ground of a laboratory; the oiling machine is placed on the ground; the testing component is arranged at the upper part of the oiling rack and comprises an oiling pipe, and the inlet of the oiling pipe is connected with the oiling machine and used for adding fuel oil to the testing component; the smoke generator is arranged on the ground, and the smoke outlet end of the smoke generator is positioned below the inlet of the oil filling pipe and used for testing whether oil gas of fuel oil overflows when the oil filling machine fills the fuel oil for the testing assembly. The oil filling pipe liquid seal effect detection device provided by the application is characterized in that the oil filling pipe liquid seal effect detection device is arranged on the ground through the smoke generator, the smoke outlet end of the smoke generator is located below the inlet of the oil filling pipe, the oil filling pipe liquid seal effect can be detected conveniently and rapidly in the early stage, whether fuel oil and gas overflow exists in the inlet of the oil filling pipe, whether oil and gas overflow in the inlet of the oil filling pipe is detected through the smoke generator, the oil and gas overflow is detected in an airtight space, and therefore the oil and gas seal effect detection device is not limited by test resources, can be frequently tested, and is low in cost.

Description

Oil filling pipe liquid seal effect detection device

Technical Field

The utility model relates to an add oil pipe liquid seal effect detection device's technical field, particularly relate to add oil pipe liquid seal effect detection device.

Background

The six state emission regulations increase the requirements related to refueling evaporative emission, and the requirements require that a vehicle-mounted refueling oil-gas recovery device (ORVR) is added on the vehicle, so that the oil gas is not allowed to overflow from a refueling port any more during the refueling operation of the vehicle, but is filtered by a carbon canister, and the oil gas of the fuel is ensured not to flow into the atmosphere. The regulation requires that the evaporation emission is less than 0.04g/L when oil is added (the oil gas amount discharged when 1L of oil in the oil tank is added in a new vehicle on average is less than 0.04 g).

In view of the above regulations, the current testing method needs to be performed in a complex detection closed box, and is limited in testing resources, high in cost and not suitable for frequent testing.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

Therefore, the utility model provides an add oil pipe liquid seal effect detection device.

For realizing the utility model discloses an add oil pipe liquid seal effect detection device, the technical scheme of the utility model provide an add oil pipe liquid seal effect detection device, include:

the refueling rack is arranged on the ground of a laboratory;

the oiling machine is placed on the ground and close to the oiling rack;

the testing assembly is arranged at the upper part of the oiling rack and comprises an oiling pipe, and the inlet of the oiling pipe is connected with the oiling machine and used for oiling the testing assembly; and

the smoke generator is arranged on the ground or the oiling rack and is close to the oiling pipe;

the smoke outlet end of the smoke generator is positioned below the inlet of the oil filling pipe and used for testing whether oil gas of fuel oil overflows when an oil filling gun of the oiling machine supplies fuel oil to the testing assembly.

The utility model provides an add oil pipe liquid seal effect detection device, through setting up the fog generator in ground, and be close to in adding the oil pipe, the play fog end of fog generator is located the entry below of adding the oil pipe, be convenient for add oil pipe liquid seal effect in the quick convenient detection in earlier stage, it is excessive to add the entry of oil pipe, use the fog generator test to add the entry oil gas of oil pipe whether excessive, need not to test in airtight space, therefore, do not receive the restriction of experimental resources, can frequently test, and the expense is low.

In addition, the above technical solution of the present invention can also have the following additional technical features:

in the above technical solution, the test assembly further includes:

the fuel tank is a rectangular body and is fixed on the refueling rack, a connecting port, an opening and an opening 'are formed in the lower portion of the front face of the fuel tank, the opening and the opening' are formed in the top face of the fuel tank, an outlet of the refueling pipe is inserted into the connecting port, extends into the fuel tank and is used for directly injecting fuel into the inner bottom of the fuel tank;

a canister connected to the fuel tank;

the oil quantity control valve is arranged at the opening', is sealed and is used for controlling the flow of oil gas in the fuel tank;

and the lower end of the adsorption pipe is connected with the oil quantity control valve, and the upper end of the adsorption pipe is communicated with the carbon canister, so that oil gas entering the oil quantity control valve enters the carbon canister.

In the above technical solution, the test assembly further includes:

the rollover valve is arranged at the opening, is sealed and is used for adjusting the internal pressure of the fuel tank;

and the ash filter is connected with the carbon tank and used for allowing air to enter the carbon tank and enabling the air to flow in a mixed mode with oil and gas in the carbon tank.

In the above technical solution, the test assembly further includes:

and one end of the circulating pipe is communicated with the adsorption pipe through a tee piece, and the other end of the circulating pipe is communicated with the lower part of the inlet of the oil filling pipe so as to reduce the load of the carbon tank.

In the technical scheme, the oil filling pipe comprises a horizontal section, an excessively inclined section and an inclined section, the horizontal section, the excessively inclined section and the inclined section are integrally formed, the tail end of the horizontal section is an outlet of the oil filling pipe, the top end of the inclined section is an inlet of the oil filling pipe, and the inlet of the oil filling pipe is consistent with the inclined angle of the inclined section.

In the above technical scheme, the distance between the smoke outlet end of the smoke generator and the inlet of the oil filling pipe is as follows: within 100 mm.

In the above technical scheme, the smoke outlet end of the smoke generator is perpendicular to the inlet of the oil filling pipe.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic perspective view of a fuel filler tube wet seal effect detection apparatus according to one embodiment of the present application;

FIG. 2 is a schematic side view of a fuel filler tube component of the fuel filler tube fluid seal effect detection apparatus of FIG. 1.

The labels in the figure are:

1-testing the component; 1.1-filler tube; 1.2-inlet of filler pipe; 1.3-fuel tank; 1.4-connection port; 1.5-opening; 1.6-opening'; 1.7-outlet; 1.8-canister; 1.9-oil control valve; 1.10-adsorption tube; 1.13-rollover valve; 1.14-ash filtration; 1.16-circulation pipe; 1.17-three-way piece; 1.18-horizontal segment; 1.19-excessively inclined section; 1.20-inclined section;

2-oil gun;

3-a smoke generator; 3.1-smoke outlet end of smoke generator.

Detailed Description

The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

FIG. 1 is a schematic perspective view of a fuel filler tube wet seal effect detection apparatus according to one embodiment of the present application. The fuel filler pipe liquid seal effect detection device can generally comprise a fuel filler rack, a fuel filler, a test assembly 1 and a smoke generator 3. Wherein, refuel the rack (not shown in the figure) and directly set up in the ground in laboratory, should refuel the rack and can be the activity and set up also in order to be fixed setting, should refuel the rack and the basic unanimity of car bottom surface shape, specifically can be that a plurality of bracing pieces and steel sheet weld form. The oiling machine can be movably placed on the ground or fixedly arranged through a bolt, and the oiling machine is close to the oiling rack, so that oiling for the testing assembly 1 is facilitated. The testing assembly 1 is installed on the upper part of the refueling rack through bolts or welding, the testing assembly 1 comprises a refueling pipe 1.1, an inlet 1.2 of the refueling pipe 1.1 is connected with a refueling gun 2 of a refueling machine, and the refueling machine and the refueling gun 2 are connected through a hose and used for refueling the testing assembly 1. The smoke generator 3 is arranged on the ground or an oil filling rack and is close to the oil filling pipe 1.1. The smoke outlet end 3.1 of the smoke generator 3 is positioned below the inlet 1.2 of the oil filling pipe 1.1 and is used for testing whether oil gas of fuel overflows when the fuel filling machine fills fuel for the testing assembly 1.

The utility model provides an add oil pipe liquid seal effect detection device, through set up fog generator 3 on ground or refuel the rack to be close to and add oil pipe 1.1, fog generator 3's play smog end 3.1 is located the entry 1.2 below of adding oil pipe 1.1, and whether the quick convenient detection in earlier stage adds oil pipe 1.1 liquid seal effect, the entry 1.2 of adding oil pipe 1.1 has fuel oil gas excessive. The smoke generator 3 is used for testing whether oil gas at the inlet 1.2 of the oil filling pipe 1.1 overflows or not, and testing in a closed space is not needed, so that the method is not limited by test resources, frequent testing can be realized, and the cost is low.

In the embodiment, optionally, the smoke outlet end 3.1 of the smoke generator 3 discharges smoke upwards, the smoke may be colored, meanwhile, the fuel gun 2 of the fuel dispenser charges the fuel oil to the inlet 1.2 of the fuel filler pipe 1.1, when the smoke passes through the position of the inlet 1.2 of the fuel filler pipe 1.1, distortion occurs, it is proved that the fuel oil and gas overflows when the fuel oil is charged to the inlet 1.2 of the fuel filler pipe 1.1, when the smoke passes through the position of the inlet 1.2 of the fuel filler pipe 1.1, distortion does not occur, it is proved that the fuel oil and gas does not overflow when the fuel oil is charged to the inlet 1.2 of the fuel filler pipe 1.1, therefore, judgment is made, detection is convenient, multiple tests are suitable, cost is low, cost is saved, efficiency is improved, and the fuel evaporation discharge test throughput rate is improved.

Specifically, when fuel is supplied, the smoke flows near the inlet 1.2 of the filler pipe 1.1, and if the smoke flows in the opposite direction to the inlet 1.2, the fuel vapor is overflowed. If the smoke is not bent or sucked into the filler pipe, no overflow is indicated. The inlet 1.2 of the filler tube 1.1 is higher than the fuel tank 1.3, so that fuel flows into the fuel tank 1.3 from a higher position.

Of course, in this embodiment, the oil filling pipe liquid seal effect detection device is optionally installed in a laboratory, and is not required to be performed in a complex airtight box, is not limited by test resources, and is low in cost.

Referring to fig. 1, in the present embodiment, the test assembly 1 may further include a fuel tank 1.3, a canister 1.8, a fuel control valve 1.9 and a sorbent tube 1.10. The fuel tank 1.3 is rectangular or has other shapes, such as: a circular body substantially conforming to existing automotive fuel tanks. The fuel tank 1.3 is welded or bolted on the upper surface of a refueling rack, a connecting port 1.4 is formed in the lower portion of the front face of the fuel tank 1.3, an opening 1.5 and an opening' 1.6 are formed in the top face of the fuel tank 1.3, an outlet 1.7 of a refueling pipe 1.2 is inserted into the connecting port 1.4 and connected through a quick coupler, and the outlet 1.7 of the refueling pipe 1.2 extends into the fuel tank 1.3 and is used for directly injecting fuel into the inner bottom of the fuel tank 1.3. The canister 1.8 is connected to the fuel tank and is generally rectangular in shape, which is substantially identical to the existing canister 1.8. The oil quantity control valve 1.9 is arranged at the opening' 1.6 through a chuck and a sealing ring, is sealed and is used for controlling the oil gas flow in the fuel tank 1.3. The lower end of the adsorption tube 1.10 is connected with the oil quantity control valve 1.9, and the upper end of the adsorption tube 1.10 is communicated with the carbon canister 1.8, so that oil gas entering the oil quantity control valve 1.9 enters the carbon canister 1.8.

Referring to fig. 1, in one embodiment, the test assembly 1 may optionally further comprise a rollover valve 1.13 and an ash filter 1.14. The rollover valve 1.13 is installed at the opening 1.5 through a chuck and a sealing ring, the sealing is good, the rollover valve 1.13 is used for adjusting the internal pressure of the fuel tank 1.3, and when the oil quantity control valve 1.9 does not work, the rollover valve 1.13 is opened and works to adjust the internal pressure of the fuel tank 1.3. The ash filter 1.14 is connected with the carbon canister 1.8 through a connecting pipe and a quick connector, and air entering from the ash filter 1.14 enters the carbon canister 1.8.

Referring to FIG. 1, in one embodiment, the test assembly 1 may optionally further comprise a circulation tube 1.16, one end of the circulation tube 1.16 being in communication with the adsorption tube 1.10 through a tee 1.17, the other end of the circulation tube 1.16 being in communication with the lower portion of the inlet 1.2 of the filler tube 1.1. When the oil gas load of the carbon canister 1.8 is large, the oil gas in the adsorption pipe 1.10 enters the oil filling pipe 1.1 and enters the fuel tank 1.3 to realize circulation, and the load of the carbon canister 1.8 is reduced.

Referring to fig. 1, in one embodiment, the distance between the smoke outlet end 3.1 of the smoke generator 3 and the inlet 1.2 of the filler pipe 1.1 is optionally: within 100mm, the smoke can be better close to the inlet 1.2 of the oil filling pipe 1.1, the naked eye can visually see whether the smoke is damaged by the oil gas at the inlet 1.2 of the oil filling pipe 1.1, when the smoke is damaged, the smoke is distorted or blocked to rise, the oil gas is proved to overflow, and when the smoke is not damaged, the smoke vertically rises, the oil gas is proved to not overflow. The smoke outlet end 3.1 of the smoke generator 3 is perpendicular to the inlet 1.2 of the oil filling pipe 1.1, and errors caused when oil gas overflows are avoided.

FIG. 2 is a schematic side view of a fuel filler tube component of the fuel filler tube liquid seal effect detection apparatus of FIG. 1. in one embodiment, the fuel filler tube 1.1 can alternatively generally include a horizontal section 1.18, an excessively angled section 1.19, and an angled section 1.20. The horizontal section 1.18, the over-inclined section 1.19 and the inclined section 1.20 are integrally formed and are integrally pipe fittings, the tail end of the horizontal section 1.18 is an outlet 1.7 of an oil filling pipe 1.1, the oil filling pipe 1.1 is connected with a fuel tank 1.3 through a quick connector, the top end of the inclined section 1.20 is an inlet 1.2 of the oil filling pipe 1.1, and the inlet 1.2 of the oil filling pipe 1.1 is consistent with the inclined angle of the inclined section 1.20, so that oil filling is facilitated, and the appearance is attractive. The oil filling pipe 1.1 can also be a metal pipe or a hose, and the oil filling pipe 1.1 can be an integral pipe without the horizontal section 1.18, the over-inclined section 1.19 and the inclined section 1.20.

The oil filling pipe liquid seal effect detection device has the following technical effects:

1. whether fuel steam is excessive through setting up quick convenient detection oil filler pipe liquid seal effect, the oil filler hole in fog generator 3 earlier stage to improve development efficiency, improve and refuel evaporation emission test throughput, simultaneously, 3 smog of fog generator belong to easily visual, do not have naked light, safe nontoxic, and the smog of discharging rises naturally, steady state. When the oil filling operation is carried out, the good liquid seal can enable a weak negative pressure environment to be generated near the oil filling port, and the smoke is sucked into the oil filling pipe, so that the liquid seal effect is judged.

2. The oil filling pipe liquid seal effect detection device is arranged in a common laboratory, so that the limitation of test conditions and capability is eliminated, and the popularization is easy.

3. The smoke generator 3 can detect the liquid seal effect of the oil filling pipe more visually and effectively, the detection efficiency is improved, the test cost is reduced, and the popularization is easy.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an add oil pipe liquid seal effect detection device which characterized in that includes:

the refueling rack is arranged on the ground of a laboratory;

the oiling machine is placed on the ground and close to the oiling rack;

2. The fuel filler tube liquid seal effectiveness detection apparatus of claim 1, wherein said test assembly further comprises:

a canister connected to the fuel tank;

3. The fuel filler tube liquid seal effectiveness detection apparatus of claim 2, wherein said test assembly further comprises:

4. The oil filling pipe liquid seal effect detection device according to claim 2, characterized in that: the test assembly further comprises:

5. The apparatus for detecting the liquid seal effect of the filler pipe according to any one of claims 2 to 4, wherein: the oil filling pipe comprises a horizontal section, an excessively inclined section and an inclined section, wherein the horizontal section, the excessively inclined section and the inclined section are integrally formed, the tail end of the horizontal section is an outlet of the oil filling pipe, the top end of the inclined section is an inlet of the oil filling pipe, and the inlet of the oil filling pipe is consistent with the inclined angle of the inclined section.

6. The oil filling pipe liquid seal effect detection device according to claim 1, characterized in that: the distance between the smoke outlet end of the smoke generator and the inlet of the oil filling pipe is as follows: within 100 mm.

7. The oil filling pipe liquid seal effect detection device according to claim 1 or 6, characterized in that: the smoke outlet end of the smoke generator is perpendicular to the inlet of the oil filling pipe.