Oil filling pipe and machining device

Abstract

The utility model discloses an oil filling pipe and a machining device and relates to automobile accessories. Comprising a first bent pipe section, a linear section and a second bent pipe section which are sequentially connected, a port of the first bent pipe section is an inlet, and a port of the second bent pipe section is an outlet; the section of the first bent pipe section and the section of the second bent pipe section are round, the first bent pipe section is located above the straight line section, and the second bent pipe section is located below the straight line section. And the cross section of the straight line section is elliptical. The length of the first bent pipe section is larger than that of the second bent pipe section. And the outer end of the first bent pipe section is conical. The first bent pipe section, the linear section and the second bent pipe section are all metal pipes. The first bent pipe section, the linear section and the second bent pipe section are integrally formed. During refueling, oil passes through the refueling pipe, liquid seal is better formed, volatilization of oil steam is reduced, and refueling reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile accessory, especially relates to a refueling pipe and processing device. BACKGROUND

[0002] With the rapid development of the automobile industry, the whole vehicle fuel system is the most critical link of the vehicle. The fuel system of the automobile usually includes a fuel tank and a refueling pipe, and the refueling pipe is connected to the fuel tank. At present, the refueling pipe is usually circular, which is not conducive to installation and has poor adaptability when specific installation space is required. In addition, the circular pipe is not conducive to liquid sealing, causing the volatilization of oil vapor and reducing reliability. SUMMARY

[0003] The utility model provides a simple structure, improve the refueling pipe and processing device of reliability for above -mentioned question.

[0004] The utility model discloses a refueling pipe, which comprises first elbow pipe section, straight section and second elbow pipe section that are connected in sequence,

[0005] The port of the first elbow pipe section is an inlet, and the port of the second elbow pipe section is an outlet.

[0006] The cross section of the first elbow pipe section and the second elbow pipe section is circular, the first elbow pipe section is located above the straight section, and the second elbow pipe section is located below the straight section.

[0007] The cross section of the straight section is elliptical.

[0008] The length of the first elbow pipe section is greater than the length of the second elbow pipe section.

[0009] The outer end of the first elbow pipe section is conical.

[0010] The first elbow pipe section, the straight section and the second elbow pipe section are metal pipes.

[0011] The first elbow pipe section, the straight section and the second elbow pipe section are integrally formed.

[0012] A refueling pipe processing device is used for processing a refueling pipe and comprises a punching die and a pressure receiving table, the punching die is movably connected to the pressure receiving table,

[0013] The bottom of the punching die is sequentially provided with upper groove one, upper middle groove and upper groove two,

[0014] The top of the pressure receiving table is sequentially provided with lower groove one, lower middle groove and lower groove two,

[0015] The upper groove one and the lower groove one correspond to each other and are used for placing the first elbow pipe section.

[0016] The upper and lower middle grooves correspond to each other and are used for forming the linear segment of the ellipse;

[0017] The upper and lower groove two correspond to each other and are used for placing the second elbow segment.

[0018] The pressure bearing table is provided with a guide column, and the stamping die is provided with a guide hole, and the guide column is located in the guide hole.

[0019] In the working process, the linear segment of the oil filling pipe is flattened to form an ellipse, so that the specific space requirement of the oil filling pipe can be met; after the flattening operation, the structural strength of the oil filling pipe can be improved, so that the oil filling pipe is less likely to be broken or deformed when subjected to external pressure or impact, thereby improving the safety;

[0020] Meanwhile, when filling oil, the oil liquid passes through the oil filling pipe to better form a liquid seal, reduce the volatilization of oil vapor, and improve the oil filling reliability. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced. In the drawings, each part is not necessarily drawn according to the actual proportion.

[0022] Figure 1 is a structural schematic view of the oil filling pipe in the present application,

[0023] Figure 2 is Figure 1 a sectional view of A-A surface in the present application,

[0024] Figure 3 is Figure 1 a three-dimensional structural schematic view of the present application,

[0025] Figure 4 is a structural schematic view of the processing device in the present application,

[0026] In the drawings, 1 is a first elbow segment, 2 is a linear segment, 3 is a second elbow segment, 4 is a stamping die, and 5 is a pressure bearing table.

[0027]

[0028] 51 is a lower groove one, 52 is a lower middle groove, and 53 is a lower groove two.

[0029] 6 is a guide column, and 7 is a guide hole. DETAILED DESCRIPTION

[0030] ​The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation to the present application.

[0031] In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The utility model discloses a kind of oil filler pipe as shown in Figures 1-4 The oil filler pipe includes first elbow section 1, straight section 2 and second elbow section 3 connected in sequence,

[0034] The port of the first elbow section 1 is an inlet, and the port of the second elbow section 3 is an outlet.

[0035] The cross section of the first elbow section 1 and the second elbow section 3 is circular, the first elbow section 1 is above the straight section 2, and the second elbow 3 section is below the straight section 2.

[0036] The cross section of the straight section 2 is elliptical.

[0037] In the present application, the straight section of the oil filler pipe is flattened to form an ellipse, which can adapt to the specific space requirements of the oil filler pipe. After flattening, the structural strength of the oil filler pipe can be improved, so that it is less likely to break or deform when subjected to external pressure or impact, thereby improving safety.

[0038] At the same time, when refueling, the oil passes through the oil filler pipe to form a better liquid seal, reduce the evaporation of oil vapor, and improve the reliability of refueling.

[0039] The length of the first curved pipe section 1 is greater than the length of the second curved pipe section 3.

[0040] In this way, the installation requirements of the oil filling pipe are met, and the reliability is improved.

[0041] The outer end of the first curved pipe section 1 is tapered.

[0042] In this way, the tapered section is formed, the oil gun is guided, and the oil filling reliability is improved.

[0043] The first curved pipe section 1, the straight section 2 and the second curved pipe section 3 are all metal pipes.

[0044] For example, stainless steel and the like can be selected according to specific processing requirements.

[0045] The first curved pipe section 1, the straight section 2 and the second curved pipe section 3 are integrally formed.

[0046] In this way, the processing is facilitated, and the cost is reduced.

[0047] An oil filling pipe processing device for processing an oil filling pipe, comprising a punching die 4 and a pressure receiving table 5, the punching die 4 is movably connected to the pressure receiving table 5,

[0048] The bottom of the punching die 4 is sequentially provided with an upper groove one, an upper intermediate groove and an upper groove two,

[0049] The top of the pressure receiving table 5 is sequentially provided with a lower groove one 51, a lower intermediate groove 52 and a lower groove two 53,

[0050] The upper groove one and the lower groove one correspond to each other and are used for placing the first curved pipe section 1;

[0051] The upper intermediate groove and the lower intermediate groove correspond to each other and are used for forming an elliptical straight section 2;

[0052] The upper groove two and the lower groove two correspond to each other and are used for placing the second curved pipe section 3.

[0053] In the processing device, the oil filling pipe is placed on the pressure receiving table, and the processing of the oil filling pipe is completed by the downward pressing of the punching die; wherein the first curved pipe section is positioned between the upper groove one and the lower groove one, the second curved pipe section is positioned between the upper groove two and the lower groove two, and the elliptical straight section is formed by the flattening action between the upper intermediate groove and the lower intermediate groove. In this way, the processing is facilitated, and the operation is reliable.

[0054] The pressure receiving table 5 is provided with a guide column 6, the punching die is provided with a guide hole 7, and the guide column is located in the guide hole.

[0055] By setting the connection form of the guide column and the guide hole, the guide is facilitated, and the reliability of the punching die guide is ensured.

[0056] For the disclosed content, the following points need to be explained:

[0057] (1) The disclosed embodiment of the present case only involves the structure involved in the disclosed embodiment of the present case, and other structures can be referred to the usual design.

[0058] (2) In the case of no conflict, the disclosed embodiments and the features in the embodiments can be combined to obtain new embodiments;

[0059] The above is only a specific embodiment of the present case, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A filler pipe, characterized in that The first elbow section, the straight section and the second elbow section are sequentially connected, The port of the first elbow section is an inlet, and the port of the second elbow section is an outlet. The cross sections of the first elbow section and the second elbow section are circular, the first elbow section is above the straight section, and the second elbow section is below the straight section. The cross section of the straight section is elliptical.

2. A filler pipe according to claim 1, wherein The length of the first elbow section is greater than the length of the second elbow section.

3. A filler neck as defined in claim 1, wherein The outer end of the first elbow section is conical.

4. A filler neck as defined in claim 1, wherein The first elbow section, the straight section and the second elbow section are metal pipes.

5. A filler neck as defined in claim 1, wherein, The first elbow section, the straight section and the second elbow section are integrally formed.

6. A fuel filler pipe processing apparatus for processing the fuel filler pipe according to any one of claims 1 to 5, characterized by The stamping die is movably connected to the pressure receiving table, The middle of the bottom of the stamping die is sequentially provided with an upper groove one, an upper middle groove and an upper groove two, The middle of the top of the pressure receiving table is sequentially provided with a lower groove one, a lower middle groove and a lower groove two, The upper groove one and the lower groove one correspond to each other and are used for placing the first elbow section; The upper middle groove and the lower middle groove correspond to each other and are used for forming the elliptical straight section; The upper groove two and the lower groove two correspond to each other and are used for placing the second elbow section.

7. A fuel filler pipe processing device according to claim 6, wherein The pressure receiving table is provided with a guide column, the stamping die is provided with a guide hole, and the guide column is located in the guide hole.

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