CN215492697U - Sampling device for detecting automobile clean fuel - Google Patents

Abstract

The utility model discloses a sampling device for detecting automobile clean fuel, which comprises a fuel tank, wherein the top and the bottom of the fuel tank are respectively provided with a feed inlet and a discharge outlet, one side of the fuel tank is provided with a sampling barrel, the sampling barrel is provided with a negative pressure pipe, a pumping pipe, a discharge pipe and a return pipe, one end of the negative pressure pipe is provided with a vacuum pump, one end of the pumping pipe is communicated with the fuel tank, one end of the discharge pipe is communicated with a sampling bottle, the return pipe is arranged at the bottom of the sampling barrel and is communicated with the fuel tank, a compression discharge device is arranged in the sampling barrel, and the negative pressure pipe, the pumping pipe, the discharge pipe and the return pipe are respectively provided with a first valve, a second valve, a third valve and a fourth valve; this novel clean fuel of car detects uses sampling device stable in structure, it is simple and convenient to use, and can prevent that fuel is extravagant with the surplus fuel backward flow after the sample is accomplished, is favorable to the energy can be saved, is fit for using widely.

Description

Sampling device for detecting automobile clean fuel

Technical Field

The utility model relates to the technical field of fuel sampling, in particular to a sampling device for detecting automobile clean fuel.

Background

The automobile clean fuel is an environment-friendly automobile which replaces the traditional fuel with clean fuel, the use of the automobile clean fuel is one of the important measures for reducing the emission of automobile pollutants, the research on the automobile clean fuel has been carried out for many years in the world, vehicles using natural gas, liquefied petroleum gas and the like as automobile fuels in some countries in Europe and America are more and more, and the related technologies and equipment are mature day by day and are gradually commercialized. In recent years, China carries out a great deal of experimental research on automobile clean fuel, and precious experience is obtained for popularization of clean fuel automobiles. After the production of the automobile clean fuel is finished, whether the performance of the automobile clean fuel is excellent or not needs to be sampled and detected, but a large amount of fuel is extracted during the traditional sampling work, and after the sampling detection or the test, the residual fuel is discarded, so that the phenomenon of wasting a large amount of fuel occurs, and the loss is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a sampling device for detecting clean fuel of an automobile, which has a stable structure and is simple and convenient to use, can reflux residual fuel after sampling is finished, prevents fuel waste and is beneficial to saving energy.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a clean fuel of car detects uses sampling device, includes the fuel jar, the top and the bottom of fuel jar are equipped with feed inlet and discharge gate respectively, one side of fuel jar is equipped with the sampling barrel, be equipped with negative pressure tube, pumping pipe, row's material pipe and back flow on the sampling barrel, the one end of negative pressure tube is equipped with the vacuum pump, the one end and the fuel jar intercommunication of pumping pipe, arrange the one end intercommunication sampling bottle of material pipe, the back flow is established in the bottom of sampling barrel and is linked together with the fuel jar, be equipped with compression discharge device in the sampling barrel, be equipped with first valve, second valve, third valve and fourth valve on negative pressure tube, pumping pipe, row's material pipe and the back flow respectively.

Preferably, wherein compression discharge device includes rubber buffer and push-and-pull rod, the rubber buffer cooperates with the inner wall of sampling bucket, the upper surface at the rubber buffer is established to the push-and-pull rod, the push-and-pull rod reciprocates and drives the rubber stopper and remove in the sampling bucket.

Preferably, the sampling bottle is prepared by transparent glass material, one side of sampling bottle is equipped with the branch mouth of pipe, be equipped with rubber head burette in the branch mouth of pipe, the rubber head burette extends to the sampling bottle in branch mouth of pipe department.

Preferably, the top of the sampling bottle is provided with a vent hole.

Preferably, the negative pressure pipe and the material pumping pipe are positioned on the same horizontal plane.

The utility model discloses a sampling device for detecting automobile clean fuel, which comprises a fuel tank, wherein the top and the bottom of the fuel tank are respectively provided with a feed inlet and a discharge outlet, one side of the fuel tank is provided with a sampling barrel, the sampling barrel is provided with a negative pressure pipe, a material pumping pipe, a discharge pipe and a return pipe, one end of the negative pressure pipe is provided with a vacuum pump, one end of the material pumping pipe is communicated with the fuel tank, one end of the discharge pipe is communicated with a sampling bottle, the return pipe is arranged at the bottom of the sampling barrel and is communicated with the fuel tank, the sampling barrel is internally provided with a compression discharge device, and the negative pressure pipe, the material pumping pipe, the discharge pipe and the return pipe are respectively provided with a first valve, a second valve, a third valve and a fourth valve; this novel clean fuel of car detects uses sampling device stable in structure, it is simple and convenient to use, and can prevent that fuel is extravagant with the surplus fuel backward flow after the sample is accomplished, is favorable to the energy can be saved, is fit for using widely.

Drawings

Fig. 1 is a schematic structural diagram of a sampling device for detecting clean fuel of an automobile according to the present invention.

In the figure: 1. a fuel tank; 11. a feed inlet; 12. a discharge port; 2. a sampling barrel; 21. a rubber plug; 22. a push-pull rod; 3. a vacuum pump; 4. a negative pressure tube; 41. a first valve; 5. a material pumping pipe; 51. a second valve; 6. a discharge pipe; 61. a third valve; 7. a return pipe; 71. a fourth valve; 8. sampling a bottle; 81. a branch pipe orifice; 82. a rubber head dropper.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Referring to fig. 1, a sampling device for detecting clean fuel of an automobile comprises a fuel tank 1, a feed inlet 11 and a discharge outlet 12 are respectively arranged at the top and the bottom of the fuel tank 1, a sampling barrel 2 is arranged on one side of the fuel tank 1, a negative pressure pipe 4, a pumping pipe 5, a discharge pipe 6 and a return pipe 7 are arranged on the sampling barrel 2, one end of the negative pressure pipe 4 is provided with a vacuum pump 3, one end of the pumping pipe 5 is communicated with the fuel tank 1, one end of the discharge pipe 6 is communicated with a sampling bottle 8, the return pipe 7 is arranged at the bottom of the sampling barrel 2 and is communicated with the fuel tank 1, a compression discharge device is arranged in the sampling barrel 2, the negative pressure pipe 4 and the material pumping pipe 5 are positioned on the same horizontal plane, the negative pressure pipe 4, the pumping pipe 5, the discharging pipe 6 and the return pipe 7 are respectively provided with a first valve 41, a second valve 51, a third valve 61 and a fourth valve 71.

Wherein compression discharge device includes rubber buffer 21 and push-and-pull rod 22, the rubber buffer 21 cooperates with the inner wall of sampling bucket 2, push-and-pull rod 22 establishes the upper surface at rubber buffer 21, push-and-pull rod 22 reciprocates and drives rubber buffer 21 and remove in sampling bucket 2.

As preferred scheme, the sampling bottle 8 is prepared by transparent glass material, is convenient for observe inside fuel liquid level height, one side of sampling bottle 8 is equipped with a mouth of pipe 81, be equipped with rubber head burette 82 in the mouth of pipe 81, rubber head burette 82 extends to sampling bottle 8 in branch mouth 81 department, makes the bottom contact fuel of rubber head burette 82 be convenient for sample, wherein the top of sampling bottle 8 is equipped with the bleeder vent, and the inside and outside atmospheric pressure of sampling bottle 8 of being convenient for keeps unanimous.

When the novel sampling device for detecting the clean fuel of the automobile is used, the first valve 41 and the second valve 51 are firstly opened, the third valve 61 and the fourth valve 71 are closed, the vacuum pump 3 is started, the vacuum pump 3 extracts air in the sampling barrel 2 at the moment, so that the pressure in the sampling barrel 2 is reduced, the sampling barrel 2 extracts the fuel in the fuel tank 1 through the pumping pipe 5 at the moment, the fuel enters the sampling barrel 2 through the pumping pipe 5, and then the vacuum pump 3, the first valve 41 and the second valve 51 are closed;

then the fourth valve 71 is closed, the third valve 61 is opened, the push-pull rod 22 is pressed downwards, the rubber stopper 21 moves downwards, after the fuel in the sampling barrel 2 enters the sampling bottle 8 through the discharge pipe 6, the third valve 61 is closed, the fourth valve 71 is opened, the push-pull rod 22 is continuously pressed downwards, the fuel in the sampling barrel 2 flows back to the fuel tank 1 again through the return pipe 7, and the fuel waste is avoided; and the fuel in the sampling bottle 8 is sampled through the rubber head dropper 82 in the branch pipe orifice 81, so that the subsequent detection, realization and other works are facilitated.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is to be understood that the above-described embodiments are merely examples for clarity of presentation and are not intended to limit the scope of the utility model

Limitations of the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (5)

1. The utility model provides a clean fuel of car detects uses sampling device which characterized in that: including the fuel jar, the top and the bottom of fuel jar are equipped with feed inlet and discharge gate respectively, one side of fuel jar is equipped with the sampling bucket, be equipped with negative pressure pipe, pumping pipe, row's material pipe and back flow on the sampling bucket, the one end of negative pressure pipe is equipped with the vacuum pump, the one end and the fuel jar intercommunication of pumping pipe, arrange the one end intercommunication sampling bottle of material pipe, the back flow is established in the bottom of sampling bucket and is linked together with the fuel jar, be equipped with compression row material device in the sampling bucket, be equipped with first valve, second valve, third valve and fourth valve on negative pressure pipe, pumping pipe, row's material pipe and the back flow respectively.

2. The sampling device for detecting the clean fuel of the automobile according to claim 1, wherein: wherein compression discharge device includes rubber buffer and push-and-pull rod, the rubber buffer cooperates with the inner wall of sampling bucket, the upper surface at the rubber buffer is established to the push-and-pull rod, the push-and-pull rod reciprocates and drives the rubber stopper and remove in the sampling bucket.

3. The sampling device for detecting the clean fuel of the automobile according to claim 1, wherein: the sampling bottle is prepared by transparent glass material and forms, one side of sampling bottle is equipped with the branch mouth of pipe, be equipped with rubber head burette in the branch mouth of pipe, the rubber head burette extends to the sampling bottle in branch mouth of pipe department.

4. The sampling device for detecting the clean fuel of the automobile according to claim 3, wherein: and the top of the sampling bottle is provided with an air hole.

5. The sampling device for detecting the clean fuel of the automobile according to claim 1, wherein: the negative pressure pipe and the material pumping pipe are positioned on the same horizontal plane.

Images