Built-in stand column of plastic fuel tank

By introducing hollow protrusions, through-hole structures, and reinforcing ribs into the internal column of the plastic fuel tank, combined with lifting lugs and positioning columns, the problem of unstable connection between the column and the fuel tank is solved, achieving a more stable anti-deformation effect and higher support strength.

CN223850427UActive Publication Date: 2026-01-30JIANGSU DONGFANG AUTOMOTIVE ORNAMENTS GENERAL FACTORY
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Patent Information

Application Number
CN202520524479.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-01-30
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

The existing plastic fuel tank's built-in support column is not securely connected to the tank, making it prone to separation after prolonged use. Furthermore, its support strength is poor, and it cannot effectively resist deformation.

Method used

A built-in column for a plastic fuel tank is designed, which adopts a hollow protrusion and through-hole structure to enhance the adhesion of the end face, and enhances the strength and rigidity of the column by reinforcing rib grooves, and achieves a stable connection by combining lifting lugs and positioning columns.

Benefits of technology

It improves the connection and support strength between the column and the fuel tank, forming a stable support structure that effectively resists deformation and enhances the support capacity for the fuel tank.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-pressure fuel systems, and particularly discloses a plastic fuel tank built-in stand column which comprises a stand column body, the upper end and the lower end of the stand column body are fixedly connected with end faces, and hollow protrusions are arranged at the ends, away from the stand column body, of the two end faces. The hollow protrusion is composed of a protrusion fixedly connected to the end face and a through hole formed in the protrusion. A plurality of reinforcing rib grooves formed in the height direction of the stand column are formed in the side wall of the stand column, fusion is facilitated through the hollow protrusions, and therefore the two end faces and the oil tank can be pasted more firmly, supporting of the stand column to the oil tank is improved, a stable supporting structure is formed, and the more stable anti-deformation effect on the oil tank is achieved. The stand column can be firmer through the reinforcing rib grooves, the strength and rigidity of the stand column are enhanced, and the stand column can better support the weight of the fuel tank and impact of external force.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure fuel system technical field, specifically disclose a kind of plastic fuel tank built-in stand. BACKGROUND

[0002] Plastic fuel tank is widely used in modern automobile, especially in passenger car field. With the rapid development of automobile industry and increasingly stringent emission standards, the demand for lightweight materials and components is increasing, and the plastic fuel tank market shows a trend of continuous growth.

[0003] The internal pressure of automobile high pressure plastic fuel tank changes with the change of external temperature due to gas expansion and contraction, which can cause deformation of the tank surface. This deformation affects the strength and other properties of the tank. For plastic tanks with high height and small width, the side deformation is particularly obvious.

[0004] The connection between the built-in stand of the plastic fuel tank and the tank is not firm enough, and the stand can easily separate from the tank after long-term use, losing the support for the tank. Therefore, a plastic fuel tank built-in stand is needed to solve this problem. SUMMARY

[0005] The utility model provides a kind of plastic fuel tank built-in stand, with the more firm stand both ends and tank paste, so that more stable anti-deformation effect is achieved for the tank;The strength and rigidity of the stand are enhanced by the reinforcing rib groove.

[0006] The utility model is realized as follows: a kind of plastic fuel tank built-in stand, including stand, the upper and lower ends of the stand are fixedly connected with end face, two the end face is away from the one end of stand and is provided with hollow convex, the hollow convex is by fixedly connected on the convex of end face and the through hole of being opened in the convex interior;

[0007] The side wall of the stand is provided with a plurality of reinforcing rib grooves arranged along the height direction of the stand.

[0008] As a preferred plastic fuel tank built-in stand of the utility model, two lugs are fixedly connected to one side of the outer wall of the stand.

[0009] As a preferred plastic fuel tank built-in stand of the utility model, two positioning columns are provided on the side of the outer wall of the stand symmetrically with the lugs.

[0010] As a preferred plastic fuel tank built-in stand of the utility model, the two end faces are pasted on the tank after high-temperature melting.

[0011] As a preferred plastic fuel tank built-in stand of the utility model, the width of the middle part of the stand gradually increases towards both ends.

[0012] As a kind of plastic fuel tank built-in column preferred of the utility model, the two ends of the column are connected with the opposite side surfaces of oil tank.

[0013] The utility model has the beneficial effects that:

[0014] 1. The plastic fuel tank built-in column, by hollow convex, it is convenient to melt, so that the two end surfaces are pasted more firmly with oil tank, so as to improve the support of column to oil tank, form a stable support structure, and achieve more stable deformation resistance effect to oil tank.

[0015] 2. The column can be more solid by reinforcing rib groove, the strength and rigidity of column are enhanced, so that it can better support the weight and external force impact of fuel tank. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the drawings needed to be used in the specific embodiment or prior art description will be briefly introduced below.In all drawings, similar elements or parts are generally identified by similar reference signs.The elements or parts in the drawings are not necessarily drawn according to the actual proportion.

[0017] Figure 1 It is the overall structure diagram of the utility model plastic fuel tank built-in column;

[0018] Figure 2 It is the overall side view structure diagram of the utility model;

[0019] Figure 3 It is the overall sectional view structure diagram of the utility model;

[0020] Figure 4 It is the column top view structure diagram of the utility model.

[0021] In the drawing, 1, column;2, end surface;201, convex;202, through hole;3, lifting lug;4, reinforcing rib groove;5, positioning column. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with drawings and specific embodiment, to help understanding the content of the utility model.The method used in the utility model is conventional method if no special provision;The raw materials and devices used are conventional market products if no special provision.

[0023] Please refer to Figures 1-4A kind of plastic fuel tank built-in column, including column 1, the upper and lower ends of column 1 are fixedly connected with end face 2, the end of two end faces 2 away from each other of column is provided with hollow convex, hollow convex is formed by protrusion 201 fixedly connected on end face 2 and through-hole 202 opened in protrusion 201 inside;

[0024] The side wall of column 1 is provided with a plurality of reinforcing rib grooves 4 arranged along the height direction of column 1.

[0025] In the embodiment: by setting protrusion 201 on the outer wall of end face 2, and opening through-hole 202 at the center of protrusion 201, the hollow convex can be easily melted, so that the two end faces 2 are more firmly pasted to the fuel tank, thereby improving the support of column 1 to the fuel tank, forming a stable support structure, and achieving more stable anti-deformation effect on the fuel tank.

[0026] The reinforcing rib grooves 4 can make the column 1 more solid, enhance the strength and rigidity of the column 1, and better support the weight and external force impact of the fuel tank.

[0027] As a technical optimization scheme of the utility model, one side of the outer wall of column 1 is fixedly connected with two lifting lugs 3.

[0028] In the embodiment: the production of lifting lug 3 is facilitated by automation.

[0029] As a technical optimization scheme of the utility model, the outer wall of column 1 is provided with two positioning columns 5 on the side symmetrical to the lifting lug 3.

[0030] In the embodiment: the positioning column 5 is convenient to connect with the connecting bracket in the fuel tank 1, which can save materials while being solid.

[0031] As a technical optimization scheme of the utility model, the two end faces 2 are pasted on the fuel tank after high-temperature melting.

[0032] In the embodiment: the two end faces 2 are pasted on the fuel tank after high-temperature melting, which can firmly paste the column 1 inside the fuel tank, and more stably support the fuel tank and resist deformation.

[0033] As a technical optimization scheme of the utility model, the width of the middle part of column 1 gradually increases towards both ends.

[0034] In the embodiment: the width of the middle part of column 1 gradually increases towards both ends, which can increase the support strength near both ends of the fuel tank and reduce the deformation problem of the fuel tank.

[0035] As a technical optimization scheme of the utility model, the two ends of column 1 are connected with the two sides of the fuel tank opposite to each other.

[0036] In the embodiment, the column is placed horizontally through the connection of the two ends of the column 1 with the two sides of the oil tank opposite to each other, so that the column can better support the oil tank 1 against deformation.

[0037] The working principle and use process of the utility model are as follows: the hollow protrusion is convenient to melt by setting the protrusion 201 on the outer wall of the end face 2 and setting the through hole 202 at the center of the protrusion 201, so that the two end faces 2 are more firmly pasted with the oil tank, thereby improving the support of the column 1 on the oil tank and forming a stable support structure, and achieving a more stable anti-deformation effect on the oil tank.

[0038] The column 1 is more solid through the reinforcing rib groove 4, the strength and rigidity of the column 1 are enhanced, and the column 1 can better support the weight and external force impact of the fuel tank.

[0039] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0040] The above is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the scope of the utility model patent protection should still fall within the scope of the utility model claims.

Claims

1. A plastic fuel tank built-in pillar comprising a pillar (1), characterized in that: The upper and lower ends of the column (1) are fixedly connected with end faces (2), and the two end faces (2) are provided with hollow protrusions away from each other at one end of the column, wherein the hollow protrusions are composed of protrusions (201) fixedly connected to the end faces (2) and through holes (202) formed in the protrusions (201). The side wall of the column (1) is provided with a plurality of reinforcing rib grooves (4) arranged along the height direction of the column (1).

2. A plastic fuel tank with built-in pillars according to claim 1, characterized in that: The outer wall of the column (1) is fixedly connected with two lifting lugs (3) on one side.

3. A plastic fuel tank with built-in pillars according to claim 1, characterized in that: The outer wall of the column (1) is provided with two positioning columns (5) on the side symmetrical to the lifting lug (3).

4. A plastic fuel tank with built-in pillars according to claim 1, characterized in that: The two end faces (2) are pasted on the oil tank after high-temperature melting.

5. A plastic fuel tank with built-in pillars according to claim 1, characterized in that: The width of the middle part of the column (1) gradually increases towards both ends.

6. A plastic fuel tank with built-in pillars according to claim 1, characterized in that: The two ends of the column (1) are connected with the two sides of the oil tank opposite to each other.