Partition plate device for oil tank of heavy-duty car

By setting round bumps and oil-through holes on the partitions of the heavy-duty vehicle fuel tank partition device, the fuel impact force is evenly shared, and the fatigue damage caused by fuel impact is solved by the existing fuel tank partitions, the stiffness and strength of the partitions are improved, and the oil leakage is avoided.

CN222538651UActive Publication Date: 2025-02-28SHAANXI HEAVY DUTY AUTOMOBILE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420915046.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-02-28
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing heavy-duty vehicle fuel tank partitions are prone to fatigue tear, cracking, oil leakage due to fuel impact during long-term use. Due to the increase in volume of the large-volume fuel tank, the impact force of diesel on the partition increases, resulting in fatigue damage to the partition.

Method used

A heavy-duty automobile fuel tank partition device is designed. A circular bump is provided at the center of the partition plate, and a number of first oil-passing holes are provided on the bump, and corresponding to the angle of the partition plate, to evenly share the impact force of fuel oil on the partition plate; at the same time, a second oil-passing hole is provided to increase the flowability of fuel in the shell and prevent the formation of negative pressure space due to oil absorption.

Benefits of technology

By setting up circular bumps and oil-passing holes, the impact force of fuel on the partition is reduced, the impact force is evenly shared, and the stiffness and strength between the partition and the shell weld are improved, so as to avoid tearing, cracking and oil leakage caused by fatigue of the partition.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model relates to a heavy-duty car oil tank partition plate device which comprises a shell and a plurality of partition plates, the partition plates are arranged in the shell, the peripheries of the partition plates are attached to the inner wall of the shell, end covers are arranged at the two ends of the shell, an oil filling port is formed in the upper end of the shell, an oil drain plug is arranged at the lower end of the shell, and a first oil passing hole is formed in the center of each partition plate. Second oil passing holes are symmetrically formed in the upper and lower ends of the partition; the partition plate is provided with the circular protruding block, impact force of fuel oil on the partition plate is reduced, and meanwhile the circular protruding block is provided with the first oil passing holes corresponding to the corners of the partition plate, and the impact force of the fuel oil on the partition plate is evenly shared. And the second oil passing hole is formed, so that the circulation performance of fuel oil in the shell is improved, and a negative pressure space is prevented from being formed due to oil absorption.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a heavy-duty automobile oil tank partition device. Background Art

[0002] As a fuel container for automobiles, the reliability of the fuel tank affects the safety and attendance rate of the vehicle. When the vehicle is running under various conditions such as acceleration, deceleration, and turning, the fuel will shake violently, causing severe impact on the fuel tank. When the fuel tank is subjected to the impact of fuel for a long time, it will leak oil and cause user complaints. With the development of long-distance logistics, product upgrades and the needs of different users, the capacity of fuel tanks has become larger and larger. Due to the increase in the volume of large-volume fuel tanks, after the diesel impacts the partition, the passability of diesel and the partition is blocked, the partition undergoes elastic deformation, and the impact force on the weld between the partition and the fuel tank increases, resulting in fatigue tearing, cracking and oil leakage of the partition, which is particularly prominent and a difficult problem in the industry. Utility Model Content

[0003] The purpose of the utility model is to provide a heavy-duty vehicle fuel tank partition device in view of the deficiencies in the prior art. The partition is provided with a circular protrusion to reduce the impact force of the fuel on the partition. At the same time, the circular protrusion is provided with a plurality of first oil holes corresponding to the corners of the partition to evenly share the impact force of the fuel on the partition; second oil holes are provided to increase the fluidity of the fuel in the shell and prevent the formation of a negative pressure space due to oil absorption.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] A heavy-duty vehicle fuel tank partition device comprises a shell and a plurality of partitions, wherein the plurality of partitions are arranged in the shell, the outer periphery of the partitions is in contact with the inner wall of the shell, end covers are arranged at both ends of the shell, a refueling port is arranged at the upper end of the shell, a drain plug is arranged at the lower end of the shell, a first oil hole is arranged at the center of the partition, and second oil holes are symmetrically arranged at the upper and lower ends of the partition.

[0006] Furthermore, a circular protrusion is provided at the center of the partition, and the circular protrusion is provided with a plurality of the first oil holes.

[0007] Furthermore, the number of the first oil holes is ten, including two upper left oil holes, two lower left oil holes, two upper right oil holes, two lower right oil holes and a center oil hole, wherein the upper left oil hole corresponds to the upper left corner of the partition, the lower left oil hole corresponds to the lower left corner of the partition, the upper right oil hole corresponds to the upper right corner of the partition, the lower right oil hole corresponds to the lower right corner of the partition, and the center oil hole is located at the center of the circular protrusion.

[0008] Furthermore, a filter screen is provided in the shell, and the filter screen is connected to the refueling port.

[0009] Furthermore, the shell, partition, end cover and oil drain plug are all made of aluminum alloy.

[0010] Compared with the prior art, the utility model has the following beneficial technical effects:

[0011] The partition is provided with a circular convex block to reduce the impact force of the fuel on the partition. At the same time, the circular convex block is provided with a plurality of first oil holes corresponding to the corners of the partition to evenly share the impact force of the fuel on the partition; the second oil holes are provided to increase the fluidity of the fuel in the shell and prevent the formation of a negative pressure space due to oil absorption;

[0012] Improve the rigidity and strength of the weld between the partition and the shell to avoid tearing, cracking and oil leakage caused by fatigue of the partition. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the partition in the utility model.

[0015] Reference numerals

[0016] 10. Shell; 20. Partition; 21. Round bump; 22. Upper left oil hole; 23. Lower left oil hole; 24. Upper right oil hole; 25. Lower right oil hole; 26. Center oil hole; 30. End cover; 40. Refueling port; 50. Drain plug; 60. Filter. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0018] like Figure 1 As shown, a heavy-duty vehicle fuel tank partition device includes a shell 10 and a plurality of partitions 20. The plurality of partitions 20 are arranged in the shell 10. The outer periphery of the partition 20 is in contact with the inner wall of the shell 10. End covers 30 are provided at both ends of the shell 10. A refueling port 40 is provided at the upper end of the shell 10. An oil drain plug 50 is provided at the lower end of the shell 10. A first oil hole is provided at the center of the partition 20, and second oil holes are symmetrically provided at the upper and lower ends of the partition 20.

[0019] like Figure 2 As shown, a circular protrusion 21 is provided at the center of the partition, and the circular protrusion 21 is provided with a plurality of first oil holes.

[0020] There are ten first oil holes, including two upper left oil holes 22, two lower left oil holes 23, two upper right oil holes 24, two lower right oil holes 25 and two center oil holes 26, wherein the upper left oil hole 22 corresponds to the upper left corner of the partition 20, the lower left oil hole 23 corresponds to the lower left corner of the partition 20, the upper right oil hole 24 corresponds to the upper right corner of the partition 20, the lower right oil hole 25 corresponds to the lower right corner of the partition 20, and the center oil hole 26 is located at the center of the circular protrusion 21.

[0021] The partition 20 is provided with a circular protrusion 21 to reduce the impact force of the fuel on the partition 20. At the same time, the circular protrusion 21 is provided with an upper left oil hole 22, a lower left oil hole 23, an upper right oil hole 24, and a lower right oil hole 25, which correspond to the corners of the partition 20 to evenly share the impact force of the fuel on the partition 20; a second oil hole is provided to increase the fluidity of the fuel in the housing 10 and prevent the formation of a negative pressure space due to oil absorption

[0022] A filter screen 60 is disposed in the housing 10 , and the filter screen 60 is connected to the fuel filling port 40 .

[0023] The housing 10, the partition plate 20, the end cover 30 and the drain plug 50 are all made of aluminum alloy, which reduces the overall weight and meets the lightweight requirements.

Claims

1. A heavy-duty vehicle fuel tank partition device, characterized in that: The invention comprises a shell (10) and a plurality of partitions (20), wherein the plurality of partitions (20) are arranged in the shell (10), the outer periphery of the partitions (20) is in contact with the inner wall of the shell (10), end covers (30) are arranged at both ends of the shell (10), a refueling port (40) is arranged at the upper end of the shell (10), an oil drain plug (50) is arranged at the lower end of the shell (10), a first oil hole is arranged at the center of the partition (20), and second oil holes are symmetrically arranged at the upper and lower ends of the partition (20).

2. The heavy-duty vehicle fuel tank partition device according to claim 1, characterized in that: A circular bulge (21) is provided at the center of the partition, and the circular bulge (21) is provided with a plurality of the first oil holes.

3. The heavy-duty vehicle fuel tank partition device according to claim 2, characterized in that: The number of the first oil holes is ten, including two upper left oil holes (22), two lower left oil holes (23), two upper right oil holes (24), two lower right oil holes (25) and two center oil holes (26), wherein the upper left oil hole (22) corresponds to the upper left corner of the partition (20), the lower left oil hole (23) corresponds to the lower left corner of the partition (20), the upper right oil hole (24) corresponds to the upper right corner of the partition (20), the lower right oil hole (25) corresponds to the lower right corner of the partition (20), and the center oil hole (26) is located at the center of the circular protrusion (21).

4. The heavy-duty vehicle fuel tank partition device according to claim 3, characterized in that: A filter screen (60) is provided in the housing (10), and the filter screen (60) is connected to the refueling port (40).

5. The heavy-duty vehicle fuel tank partition device according to claim 4, characterized in that: The housing (10), the partition (20), the end cover (30) and the oil drain plug (50) are all made of aluminum alloy.