Oil gas leakage prevention device for verification based on metering tank

Abstract

The utility model relates to the technical field of oil gas recovery of a metering tank, in particular to an oil gas leakage prevention device for verification based on the metering tank, which comprises a metering tank body and an oil filling hopper arranged at the top end of the metering tank body, a cap-free oil injection port used for automatic sealing of oil injection of an oil gun is formed in the center of the top end of the cap, a threaded connecting port is formed in the top end of the cap, a ventilation assembly is installed on the threaded connecting port, and the bottom end of the metering tank body is connected with an oil return assembly. According to the utility model, the working purposes of oil injection verification and oil recovery in a whole-course sealing state can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metering tank oil gas recovery, and particularly relates to an oil gas leakage prevention device for metering tank calibration. BACKGROUND

[0002] The metering tank can calibrate the oil discharge amount of the oil gun, but some problems exist in use, for example, the top end of the existing metering tank is open, and gasoline volatilizes a lot during oil injection and oil recovery, so an oil gas leakage prevention device that realizes full sealing during metering needs to be designed. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing an oil gas leakage prevention device for metering tank calibration to solve the problems in the background technology.

[0004] The utility model discloses a kind of oil gas leakage prevention devices for metering tank calibration, including metering tank body and the oil bowl being set at the top end of the metering tank body, the top end of the oil bowl is equipped with cap, the cap top center is equipped with the capless oil injection port for the automatic sealing of oil gun oil injection, the cap top is equipped with threaded connection port, the threaded connection port is installed with air passage component, the bottom of the metering tank body is connected with oil return component.

[0005] The above components achieve the following effects: the capless oil injection port at the top end of the cap can be inserted into the oil gun with oil gas recovery, which is sealed after identifying the oil gun, to avoid oil gas leakage during oil injection. After the oil gun is pulled out after the oil injection calibration work is completed by the metering tank body, the capless oil injection port completes the closing work. The device is pushed to the oil tank, and the air passage component and the oil return component are connected to the oil tank to form a closed material conveying loop. The air passage component and the oil return component are sequentially opened, so that the oil in the metering tank body flows back to the storage tank, achieving the purpose of full-sealing oil injection calibration and oil recovery.

[0006] Preferably, the cap is fixed with a four-way pipe through the threaded connection port, the four-way pipe is installed with a vacuum pressure valve and an explosion-proof electronic temperature sensor extending into the metering tank body, and one side of the four-way pipe is connected with the air passage component.

[0007] The effect achieved by the above-mentioned components is that the vacuum pressure valve and the electronic temperature sensor can be connected through the four-way pipe, the vacuum pressure valve keeps the pressure in the tank and the measuring barrel constant in real time, avoids the influence of pressure fluctuation on the measurement accuracy, ensures accurate measurement every time, and the explosion-proof electronic temperature sensor monitors the temperature of the oil outlet and the oil surface in real time, the special design allows a pressure gauge to accurately detect the temperature of two positions at the same time, and the detection accuracy is ensured in all directions without affecting the measurement accuracy.

[0008] Preferably, an armored joint for positioning and adjusting the height of the temperature measuring rod of the electronic temperature sensor is installed between the bottom end of the electronic temperature sensor and the four-way pipe.

[0009] The effect achieved by the above-mentioned components is that the electronic temperature sensor can be locked after being pulled up and down through the opening of the armored joint, thereby achieving the purpose of adjusting the detection height of the temperature measuring rod of the electronic temperature sensor.

[0010] Preferably, the ventilation assembly includes a first valve, an air guide hose, and a quick air guide connector for connecting the air port of the oil tank, which are connected in sequence with the four-way pipe.

[0011] The effect achieved by the above-mentioned components is that the air guide hose can be quickly and sealingly connected to the air port connector of the storage oil tank through the quick air guide connector, the oil tank and the measuring tank body are communicated after the first valve is opened, and the pressure inside the oil tank and the measuring tank body can be kept stable during oil discharge.

[0012] Preferably, the oil return assembly connected to the bottom end of the measuring tank body includes a discharge pipe, a second valve connected in sequence to the oil outlet end of the discharge pipe, an oil guide hose, and a quick oil return connector for connecting the oil return port of the oil tank.

[0013] The effect achieved by the above-mentioned components is that the oil in the measuring tank body can be guided into the storage oil tank through the discharge pipe and the oil guide hose after the second valve is opened, and the oil guide hose can be quickly and sealingly connected to the oil filling connector of the oil tank through the quick oil return connector.

[0014] Preferably, the first valve and the second valve are connected on one side with a valve quick connector fixedly connected with the air guide hose and the oil guide hose.

[0015] The effect achieved by the above-mentioned components is that the air guide hose and the oil guide hose can be quickly connected with the first valve and the second valve through the valve quick connector, which is convenient for subsequent disassembly and assembly.

[0016] Preferably, a mobile bracket is installed at the bottom of the measuring tank body.

[0017] The effect achieved by the above components is that the staff can conveniently move the device by moving the bracket.

[0018] The utility model discloses an oil gas leakage prevention device for measuring tank calibration, which has the following improvements and advantages compared with the prior art.

[0019] Firstly, the cap-free oil filling port of the cap can be inserted into the cap-free oil filling port, and the cap-free oil filling port is sealed after the oil gun is identified, so that oil gas leakage during oil filling work is avoided; after the oil gun oil filling calibration work is completed by the measuring tank body, the oil gun is pulled out, the cap-free oil filling port is closed, the device is pushed to the oil tank, the air component and the oil return component are connected to the oil tank, a closed material conveying loop is formed, the air component and the oil return component are sequentially opened, the oil in the measuring tank body flows back to the storage oil tank, and the oil filling calibration and oil recovery sealing state are realized.

[0020] Secondly, the four-way pipe can be connected with the vacuum pressure valve and the electronic temperature sensor, the vacuum pressure valve can keep the constant pressure state of the tank and the measuring barrel in real time, the influence of pressure fluctuation on the measurement accuracy is avoided, the measurement is accurate every time, the explosion-proof electronic temperature sensor can monitor the temperature of the oil outlet and the oil surface in real time, the special design can accurately detect the temperature of two positions at the same time, the detection accuracy is ensured in all directions, and the measurement accuracy is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be explained further in combination with the drawings and embodiments:

[0022] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0023] Fig. 2 It is the assembly three-dimensional structure schematic diagram of the cap in the utility model.

[0024] MARKS OF THE DRAWINGS:

[0025] 1, measuring tank body; 2, oil filling hopper; 3, cap; 4, cap-free oil filling port; 5, vacuum pressure valve; 6, four-way pipe; 7, electronic temperature sensor; 8, air component; 81, first valve; 82, air hose; 83, quick air connection; 9, oil return component; 91, oil discharge pipe; 92, second valve; 93, oil hose; 94, quick oil return joint; 10, moving bracket; 11, valve quick joint; 12, armored joint. DETAILED DESCRIPTION

[0026] The utility model discloses below make detailed instructions to the utility model, clearly and completely describe the technical scheme in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0027] The utility model discloses an oil gas leak -proof device for measuring tank calibration is provided through improvement, the technical scheme of the utility model is:

[0028] In the embodiment of the utility model, as Figs. 1-2 Illustrated, an oil gas leak -proof device for measuring tank calibration, including measuring tank body 1 and setting at the top of measuring tank body 1 oil filling bowl 2, measuring tank body 1 bottom is equipped with mobile bracket 10, through mobile bracket 10 can facilitate the movement of staff to carry out the device work, the top of oil filling bowl 2 is equipped with cap 3, and the top center of cap 3 is equipped with the coverless oil filler for the automatic sealing of oil gun injection, the coverless oil filler can adopt the coverless oil filler of the common automobile without cover oil filling system in the market, for example, the coverless oil filler of Ford automobile brand and model is BU5A-9D000DG, and the coverless oil filler 4 is sealed after identifying the oil gun, to avoid oil gas leakage during oil injection work, the oil gun is pulled out after completing the oil gun injection calibration work through the measuring tank body 1, the coverless oil filler 4 completes the closing work, the top of cap 3 is provided with a threaded connection port, and the threaded connection port is provided with a ventilation assembly 8, the ventilation assembly 8 includes a first valve 81, a gas guide hose 82 and a quick gas guide connector 83 connected in sequence with the four-way pipe 6, the gas guide hose 82 can be quickly sealed and connected with the storage oil tank gas port connector through the quick gas guide connector 83, the oil tank is communicated with the measuring tank body 1 after the first valve 81 is opened, and the pressure inside the oil tank and the measuring tank body 1 can be kept stable during oil discharge, the bottom of the measuring tank body 1 is connected with an oil return assembly 9, the oil return assembly 9 connected with the bottom of the measuring tank body 1 includes an oil discharge pipe 91, an oil outlet end of the oil discharge pipe 91 is sequentially connected with a second valve 92, an oil guide hose 93 and a quick oil return connector 94 for connecting the oil tank oil return port, the oil guide hose 93 can be quickly sealed and connected with the oil filling oil connector through the quick oil return connector 94, and the first valve 81 and the second valve 92 are connected with the valve quick connector 11 fixedly connected with the gas guide hose 82 and the oil guide hose 93 on one side, the gas guide hose 82 and the oil guide hose 93 can be quickly connected with the first valve 81 and the second valve 92 through the valve quick connector 11, and the subsequent disassembly and assembly are facilitated.

[0029] In the embodiment of the utility model, cap 3 is fixed with four -way pipe 6 through threaded connection mouth, vacuum pressure valve 5 and the electronic temperature sensor 7 of explosion -proof type extending to the measuring tank body 1 are installed on four -way pipe 6, one side of four -way pipe 6 is connected with aeration assembly 8, and the connecting work of vacuum pressure valve 5 and electronic temperature sensor 7 can be carried out through four -way pipe 6, wherein vacuum pressure valve 5 keeps the constant pressure state in tank and measuring barrel in real time, avoids the influence of pressure fluctuation on the measurement accuracy, ensures that each measurement is accurate, explosion -proof electronic temperature sensor 7 monitors the oil outlet and oil surface temperature in real time, special design makes a pressure gauge simultaneously accurate detection two position temperature, and all -round guarantee detects accuracy, does not influence the measurement accuracy, and armored joint 12 for height positioning adjustment of the temperature measuring rod of electronic temperature sensor 7 is installed between the bottom end connecting port of electronic temperature sensor 7 and four -way pipe 6, and by opening armored joint 12, it can be convenient to lock after lifting electronic temperature sensor 7 up and down, and then the adjustment work purpose of the detection height of the temperature measuring rod of electronic temperature sensor 7 is realized.

[0030] The working principle of the oil gas leakage prevention device based on the measuring tank calibration provided by the utility model is as follows: the oil gun with oil gas recovery can be inserted into the capless oil filling port 4 at the top end of the cap 3, wherein the capless oil filling port 4 is sealed after identifying the oil gun, so as to avoid oil gas leakage during oil filling work; the oil gun is pulled out after the oil filling calibration work of the measuring tank body 1 is completed; the capless oil filling port 4 completes the closing work; the device is pushed to the oil tank; the staff member quickly and sealingly connects the gas guide hose 82 with the storage oil tank gas port connector through the quick gas guide connector 83; the oil guide hose 93 is quickly and sealingly connected with the oil filling connector through the quick oil return connector 94; a closed material conveying loop is formed; the first valve 81 and the second valve 92 are sequentially opened; the oil tank is communicated with the measuring tank body 1 after the first valve 81 is opened; the pressure inside the oil tank and the measuring tank body 1 can be kept stable during the oil discharging process; the oil liquid in the measuring tank body 1 can be guided into the storage oil tank through the oil guide hose 93 after the second valve 92 is opened, so that the oil liquid in the measuring tank body 1 flows back to the storage oil tank, and the working purpose of the whole process sealing state of oil filling calibration and oil liquid recovery is realized.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil and gas leakage prevention device for calibrating a metering tank, comprising a metering tank body (1) and a fuel filling bowl (2) arranged at the top end of the metering tank body (1), characterized in that: The top of the oil filling bucket (2) is sleeved with a cap (3), the top center of the cap (3) is provided with a cap-free filling port (4) for automatic sealing of oil gun filling, the top of the cap (3) is provided with a threaded connection port, and the threaded connection port is provided with a ventilation assembly (8); the bottom of the metering tank body (1) is connected with an oil return assembly (9).

2. The oil and gas leakage prevention device for calibrating a metering tank according to claim 1, characterized in that: The cap (3) is fixed with a four-way pipe (6) through the threaded connection port, the four-way pipe (6) is provided with a vacuum pressure valve (5) and an explosion-proof electronic temperature sensor (7) extending into the metering tank body (1), and one side of the four-way pipe (6) is connected with the ventilation assembly (8).

3. The oil and gas leakage prevention device for calibrating a metering tank according to claim 2, characterized in that: A sheathed joint (12) for height positioning and adjustment of the temperature measuring rod of the electronic temperature sensor (7) is arranged between the bottom connection port of the electronic temperature sensor (7) and the four-way pipe (6).

4. The oil and gas leakage prevention device for calibrating a metering tank according to claim 2, characterized in that: The ventilation assembly (8) comprises a first valve (81), an air guide hose (82) and a quick air guide joint (83) for connecting an oil tank gas port in sequence with the four-way pipe (6).

5. The oil and gas leakage prevention device for calibrating a metering tank according to claim 4, characterized in that: The oil return assembly (9) connected to the bottom of the metering tank body (1) comprises an oil discharge pipe (91), a second valve (92), an oil guide hose (93) and a quick oil return joint (94) for connecting an oil tank oil return port in sequence at the oil outlet end of the oil discharge pipe (91).

6. The oil and gas leakage prevention device for calibrating a metering tank according to claim 5, characterized in that: One side of the first valve (81) and the second valve (92) is connected with a valve quick joint (11) fixedly connected with the air guide hose (82) and the oil guide hose (93).

7. The oil and gas leakage prevention device for calibrating a metering tank according to claim 1, characterized in that: The bottom of the metering tank body (1) is provided with a movable bracket (10).

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