Oil spill prevention structure of automobile liquid storage box

Abstract

The utility model relates to an automobile liquid storage box oil spill prevention structure which comprises a liquid storage box body, a liquid storage box upper cover, a liquid storage box bottom cover, an oil discharge valve and an anti-spill component, the liquid storage box upper cover is installed at the top of the liquid storage box body, and the liquid storage box bottom cover and the oil discharge valve are installed at the bottom of the liquid storage box body; an anti-overflow component is arranged in the liquid storage box body, and an upper exhaust / oil port of the liquid storage box body is located at the top of the anti-overflow component to prevent oil in the liquid storage box body from entering a carbon tank. Oil is prevented from entering the carbon tank, and safety is improved; and the bypass channel is additionally arranged, under the condition that the main exhaust channel of the liquid storage box is closed, the bypass channel can also meet the exhaust requirement of the oil tank, and the liquid storage box is ingenious in structural design, high in safety and suitable for application and popularization.

Description

Technical Field

[0001] The utility model relates to the field of automobiles, in particular to an oil overflow prevention structure for an automobile liquid storage box. Background Art

[0002] In the automotive industry, fuel tank overflow prevention technology is crucial, impacting vehicle safety and environmental performance. During vehicle operation, a small amount of fuel flows through the valve into the fuel tank. The unloading valve is responsible for returning the fuel from the fuel tank to the fuel tank. In exceptional circumstances, if a large amount of fuel enters and the unloading valve is unable to drain the fuel in time, the fuel can flow out of the fuel tank and into the carbon canister, causing serious damage to the canister and even rendering it useless, thus affecting the vehicle's starting and operation. Summary of the Invention

[0003] The utility model aims to overcome the defects of the prior art and provides an anti-oil overflow structure for an automobile liquid storage box, so as to solve the problem that oil overflows into a carbon canister.

[0004] In order to solve the above technical problems, the utility model is achieved as follows:

[0005] An anti-overflow structure for a liquid storage box in an automobile is characterized in that it includes a liquid storage box body, a liquid storage box upper cover, a liquid storage box bottom cover, an oil unloading valve and an anti-overflow component. The liquid storage box upper cover is installed on the top of the liquid storage box body, and the liquid storage box bottom cover and the oil unloading valve are installed on the bottom of the liquid storage box body; the anti-overflow component is provided in the liquid storage box body, and the upper exhaust / oil port of the liquid storage box body is located on the top of the anti-overflow component to prevent the oil in the liquid storage box body from entering the carbon canister.

[0006] The anti-overflow structure of the automobile liquid storage box is characterized in that the anti-overflow component includes a float, a spring located under the float, and a sealing plate provided on the upper part of the float. When the oil is at a high level, the buoyancy and the spring force are greater than the gravity of the float, the float floats up, and the sealing plate on the float contacts and seals the upper exhaust / oil port.

[0007] The aforementioned anti-oil overflow structure for an automobile liquid storage box is characterized in that it also includes a bypass channel, which is arranged in the cavity between the liquid storage box cover and the liquid storage box body. The inlet of the bypass channel is directly connected to the valve nozzle outlet without passing through the exhaust / oil port.

[0008] The anti-oil overflow structure of the automobile liquid storage box is characterized in that a refueling limit valve is further provided on the liquid storage box body for controlling exhaust during refueling.

[0009] The beneficial effects of the present invention are as follows: It can be seen from the above technical solution that the present application provides an anti-oil overflow structure for an automobile liquid storage box, which prevents oil from entering the carbon canister by adding an anti-overflow component, thereby improving safety; and a bypass channel is added. When the main exhaust channel of the liquid storage box is closed, the bypass channel can also meet the exhaust requirements of the fuel tank. The structural design of the present application is ingenious, the safety is strong, and it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0011] Figure 1 This is a schematic diagram of the structure of this application;

[0012] Figure 2 is the main view;

[0013] Figure 3 is a cross-sectional view;

[0014] Figure 4 This is a schematic diagram of the top bypass channel of this application. DETAILED DESCRIPTION

[0015] The following will clearly and completely describe the technical solutions of the embodiments of the present application in conjunction with the accompanying drawings. Obviously, the embodiments described are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection requested by this application.

[0016] like Figure 1-3 As shown: An anti-overflow structure for an automobile liquid storage box, which includes a liquid storage box body 3, a liquid storage box upper cover 2, a liquid storage box bottom cover 4, an oil unloading valve 5 and an anti-overflow component. The liquid storage box upper cover is installed on the top of the liquid storage box body, a flange 1 is welded to the liquid storage box upper cover, and the liquid storage box bottom cover and the oil unloading valve are installed at the bottom of the liquid storage box body; an anti-overflow component is provided in the liquid storage box body, and the upper exhaust / oil port of the liquid storage box body is located on the top of the anti-overflow component to prevent the oil in the liquid storage box body from entering the carbon canister.

[0017] The anti-overflow component includes a float 8, a spring 9 located under the float, and a sealing plate 7 provided on the upper part of the float. When the oil is at a high level, the buoyancy and spring force are greater than the gravity of the float, the float floats up, and the sealing plate on the float contacts the exhaust / oil port above it and seals it, closing the external channel.

[0018] like Figure 4As shown: it also includes a bypass structure 10, which is arranged in the cavity between the upper cover of the liquid storage box and the liquid storage box body, and also includes a bypass channel, which is arranged in the cavity between the upper cover of the liquid storage box and the liquid storage box body. The inlet 11 of the bypass channel is directly connected to the valve nozzle outlet 12 without passing through the exhaust / oil port; even if the main exhaust channel of the liquid storage box is closed, the bypass channel can still meet the exhaust requirements of the oil tank.

[0019] The liquid storage box body is also provided with a refueling limit valve 6 for refueling and controlling exhaust.

[0020] This application is used in the automotive field. In the automotive field, the anti-oil spill structure of the liquid storage box has multiple benefits:

[0021] 1. Improve the safety of the fuel system

[0022] The anti-oil spill structure can ensure that fuel will not overflow excessively during storage and transportation, thereby avoiding potential risks of fire and environmental pollution.

[0023] 2. Ensure the stability of fuel supply

[0024] The reservoir's overflow-proof structure helps maintain a steady fuel supply. As fuel depletes, the reservoir continuously delivers the right amount of fuel to the engine, ensuring it always operates at peak performance. This steady fuel supply helps reduce engine failures and prolongs its service life.

[0025] 3. Reduce fuel waste and emissions

[0026] The effective anti-spill structure of the fuel tank can reduce fuel evaporation and leakage, thereby reducing fuel waste. This not only helps reduce operating costs, but also reduces the emission of harmful substances, which has positive significance for environmental protection.

[0027] 4. Improve the overall performance of the fuel system

[0028] The oil overflow prevention structure is a critical component of the fuel system. Its design and optimization can improve the performance of the entire fuel system. By ensuring a stable fuel supply and reducing waste, this structure helps increase engine power and efficiency, thereby improving the vehicle's fuel economy and power performance.

[0029] In summary, the anti-spill structure of a fluid reservoir in the automotive field plays a vital role in improving fuel system safety, ensuring a stable fuel supply, reducing fuel waste and emissions, facilitating maintenance and inspection, and enhancing overall fuel system performance. Therefore, during automotive design and manufacturing, the anti-spill structure of the fluid reservoir should be given high priority to ensure that it meets practical application requirements and achieves optimal results.

[0030] The above are only embodiments provided for this application and are not intended to limit this application. Although this application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application should be included in the scope of protection of this application.

Claims

1. An anti-oil spill structure for a car liquid storage box, characterized by: It includes a liquid storage box body, a liquid storage box upper cover, a liquid storage box bottom cover, an oil unloading valve and an anti-overflow component. The liquid storage box upper cover is installed on the top of the liquid storage box body, and the liquid storage box bottom cover and the oil unloading valve are installed on the bottom of the liquid storage box body; the liquid storage box body is provided with an anti-overflow component, and the upper exhaust / oil port of the liquid storage box body is located on the top of the anti-overflow component to prevent the oil in the liquid storage box body from entering the carbon canister.

2. The anti-oil spill structure for a vehicle liquid storage box according to claim 1, characterized in that: The anti-overflow component includes a float, a spring located under the float, and a sealing sheet provided on the upper part of the float. When the oil is at a high level, the buoyancy and spring force are greater than the gravity of the float, the float floats up, and the sealing sheet on the float contacts and seals the upper exhaust / oil port.

3. The anti-oil spill structure for a vehicle liquid storage box according to claim 1, characterized in that: It also includes a bypass channel, which is arranged in the cavity between the liquid storage box cover and the liquid storage box body. The inlet of the bypass channel is directly connected to the valve nozzle outlet without passing through the exhaust / oil port.

4. The anti-oil spill structure for a vehicle liquid storage box according to claim 1, characterized in that: The liquid storage box body is also provided with a refueling limit valve for refueling and controlling exhaust.

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