Wave-proof noise reduction structure

Abstract

The utility model relates to oil tank noise reduction technical field discloses a kind of anti-wave noise reduction structure, and anti-wave noise reduction structure includes: vertical anti-wave board, set in the inside of oil tank shell, horizontal panel has length direction and width direction, vertical anti-wave board extends along length direction and is set;Multiple first support plate, set below horizontal panel, and interval distribution along length direction;One end of first baffle is fixedly connected with the top of vertical anti-wave board, and the other end extends obliquely below horizontal panel;First partition, vertically set in the upper surface of first baffle, and extends along length direction and is set.The anti-wave noise reduction structure provided by the utility model, first support plate, first baffle and first partition are used to divide the oil liquid space below horizontal panel into multiple small areas, to seal part of oil liquid, to reduce the air intake amount below horizontal panel, make gas in the form of a small amount of bubble discharge, so that its generated noise is not easy to be perceived by user.

Description

Technical Field

[0001] This utility model relates to the field of fuel tank noise reduction technology, specifically to a wave-proof and noise-reducing structure. Background Technology

[0002] The fuel tank is a key component of a car's fuel system, used to store fuel. As users increasingly demand a superior driving experience, their requirements for noise reduction are also rising, and a portion of this noise originates from the fuel tank. In particular, some fuel tanks have a horizontal panel at the bottom of the upper casing to avoid obstructing other components. When the car accelerates, decelerates, turns, hits bumps, or goes uphill or downhill, the fuel tank tilts and / or the fuel inside sloshes. As the fuel level returns to a horizontal position, gas accumulates in the corner area below the horizontal panel. This gas then escapes as large bubbles from this corner area to the top of the fuel tank, generating significant noise. Utility Model Content

[0003] In view of this, the present invention provides a wave-proof and noise-reducing structure to solve the problem that when the fuel tank or fuel level returns to a horizontal state, gas will remain in the corner area below the horizontal panel, and this gas will be discharged from the corner area to the top of the fuel tank in the form of large bubbles, thus generating a large noise.

[0004] This utility model provides a wave-damping and noise-reducing structure, which is installed inside the fuel tank shell. The fuel tank shell includes an upper shell, and a lower shell is fixed to the bottom of the upper shell. One side of the bottom of the upper shell is a horizontal panel. The wave-damping and noise-reducing structure includes:

[0005] A vertical wave deflector is installed inside the tank shell, near the intersection of the horizontal panel and the upper shell side wall. The horizontal panel has a length direction and a width direction, and the vertical wave deflector extends along the length direction.

[0006] The first support plate is fixedly connected to the vertical wave deflector and is set below the horizontal panel. Multiple first support plates are provided and distributed at intervals along the length direction.

[0007] The first baffle is provided between every two adjacent first support plates. One end of the first baffle is fixedly connected to the top of the vertical wave deflector, and the other end extends obliquely downwards towards the horizontal panel.

[0008] The first partition is vertically disposed on the upper surface of the first baffle, and at least one first partition is disposed between every two adjacent first support plates, wherein the first partition extends along the length direction.

[0009] In one alternative embodiment, a second baffle is further included, the bottom end of which is fixedly connected to the top of the vertical wave deflector, the top end of which extends obliquely upward, and a gap is formed between the sidewall of the second baffle and the sidewall of the upper housing near the horizontal panel.

[0010] In one alternative embodiment, a second partition is further provided at the gap, the second partition being vertically arranged and extending along the length direction.

[0011] In one alternative embodiment, a second support plate is further provided at the gap. The second support plate is vertically arranged and fixedly connected to the second baffle and the second partition.

[0012] In one alternative embodiment, a second oil passage hole is provided on the second baffle.

[0013] In one alternative embodiment, a third oil passage hole or oil passage groove is provided on the first partition.

[0014] In one alternative embodiment, a plurality of third support plates are provided on the side wall of the vertical wave deflector away from the horizontal panel, and the plurality of third support plates are spaced apart along the length direction.

[0015] In one alternative embodiment, at least one fixing block is provided on the first baffle, and the fixing block has a mounting hole.

[0016] In one alternative embodiment, the vertical wave deflector is provided with a plurality of first oil passage holes.

[0017] In one optional embodiment, the horizontal panel includes a corner portion located at one end of the fuel tank housing, and the vertical baffle includes an arc-shaped portion corresponding to the corner portion. A third baffle is fixedly provided on the side of the arc-shaped portion, and the third baffle is located below the corner portion.

[0018] The technical solution of this utility model has the following advantages:

[0019] 1. The anti-wave and noise reduction structure provided by this utility model includes a first support plate, a first baffle, and a first partition plate, which are used to divide the oil space below the horizontal panel into multiple small areas to reduce the height of local oil waves, reduce noise, and help reduce the air intake below the horizontal panel, so that the gas is discharged in the form of a small number of small bubbles, thereby making the noise generated less likely to be perceived by the user.

[0020] 2. The anti-wave and noise reduction structure provided by this utility model, by setting a second baffle, is used to separate the oil space near the side wall of the upper shell, and to hinder the oil waves from hitting the side wall of the oil tank and the waves from hitting the liquid surface, thereby further reducing noise.

[0021] 3. The anti-wave and noise reduction structure provided by this utility model, by setting a second baffle at the gap to divide the oil space at the gap, is beneficial to weakening the oil waves.

[0022] 4. The anti-wave and noise reduction structure provided by this utility model enhances the connection stability of the second baffle and the second partition by setting a second support plate, and can cooperate with the second partition to further separate the oil space at the gap, which is beneficial to further reduce the sloshing effect of the oil at the gap.

[0023] 5. The anti-wave and noise reduction structure provided by this utility model provides a second oil passage hole on the second baffle to facilitate the flow of oil in the oil tank and balance the oil pressure on both sides of the second baffle.

[0024] 6. The anti-surge and noise reduction structure provided by this utility model provides a third oil passage hole or oil passage groove on the first partition plate, so that the first partition plate can impede the sloshing of oil while allowing the oil to flow from one side of the first partition plate to the other side.

[0025] 7. The anti-wave and noise reduction structure provided by this utility model provides an oil passage hole on the vertical anti-wave plate to facilitate the flow of oil in the oil tank and balance the oil pressure on both sides of the vertical anti-wave plate, thereby reducing the pressure on the vertical anti-wave plate when the oil sloshes. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of a wave-proof and noise-reducing structure according to an embodiment of the present invention. Figure 1 ;

[0028] Figure 2 for Figure 1 The diagram shows the structure of the wave-damping and noise-reducing structure. Figure 2 ;

[0029] Figure 3 for Figure 1 The diagram shows the assembly structure of the wave-damping and noise-reducing structure and the fuel tank shell.

[0030] Figure 4 for Figure 1 The diagram shows the assembly structure of the wave-damping and noise-reducing structure and the lower shell.

[0031] Figure 5 for Figure 1 The diagram shows the assembly structure of the wave-damping and noise-reducing structure and the upper shell.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Upper shell; 101. Horizontal panel; 1011. Corner section; 2. Lower shell; 3. Vertical baffle; 31. First oil passage hole; 32. Arc-shaped section; 4. First support plate; 5. First baffle; 6. First partition; 61. Third oil passage hole; 62. Oil passage groove; 7. Second baffle; 71. Second oil passage hole; 8. Second partition; 9. Second support plate; 10. Third support plate; 11. Fixing block; 111. Mounting hole; 12. Arc-shaped partition; 13. Third baffle; 14. First cavity; 15. Second cavity. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] The following is combined with Figures 1 to 5 The following describes embodiments of the present invention.

[0036] According to an embodiment of this utility model, a wave-damping and noise-reducing structure is provided, which is disposed inside the fuel tank shell. The fuel tank shell includes an upper shell 1, a lower shell 2 fixed to the bottom of the upper shell 1, and a horizontal panel 101 on one side of the bottom of the upper shell 1. The wave-damping and noise-reducing structure includes:

[0037] A vertical wave deflector 3 is installed inside the tank shell and near the intersection of the horizontal panel 101 and the side wall of the upper shell 1. The horizontal panel 101 has a length direction and a width direction, and the vertical wave deflector 3 extends along the length direction.

[0038] The first support plate 4 is fixedly connected to the vertical wave deflector 3 and is set below the horizontal panel 101. Multiple first support plates 4 are provided and are distributed at intervals along the length direction.

[0039] First baffle 5, one first baffle 5 is provided between every two adjacent first support plates 4, one end of the first baffle 5 is fixedly connected to the top of the vertical wave deflector 3, and the other end extends obliquely downward to the bottom of the horizontal panel 101.

[0040] The first partition 6 is vertically disposed on the upper surface of the first baffle 5. At least one first partition 6 is disposed between every two adjacent first support plates 4, wherein the first partition 6 extends along the length direction.

[0041] The anti-wave and noise reduction structure provided in this embodiment uses a first support plate 4, a first baffle 5, and a first partition 6 to divide the oil space below the horizontal panel 101 into multiple small areas to seal off part of the oil, thereby reducing the air intake below the horizontal panel 101 and allowing the gas to be discharged in the form of a small number of small bubbles, so that the noise generated is not easily perceived by the user.

[0042] Specifically, the upper shell 1 and the lower shell 2 are welded and fixed together, and the upper shell 1 and the lower shell 2 enclose a receiving cavity, within which a wave-damping and noise-reducing structure is disposed. A horizontal panel 101 is provided on one side of the bottom of the upper shell 1. This horizontal panel 101 is a planar area of ​​the bottom of the upper shell 1 and has both length and width directions. The receiving cavity includes a first cavity 14 located below and corresponding to the horizontal panel 101, and a remaining second cavity 15.

[0043] A vertical baffle plate 3 is disposed at the junction of the first cavity 14 and the second cavity 15, and its height is adapted to the distance from the horizontal panel 101 to the bottom wall of the lower housing 2. The vertical baffle plate 3 is used to impede the reciprocating flow of oil between the first cavity 14 and the second cavity 15. The vertical baffle plate 3 extends along the length of the horizontal panel 101, and the extension length is adapted to the length of the horizontal panel 101. If the length is long, multiple vertical baffle plates 3 can be spliced ​​together.

[0044] The first support plate 4 is vertically arranged, and its main plane is parallel to the width direction of the horizontal panel 101. The first support plate 4 is used to fix the vertical wave deflector 3 and the first baffle 5 together. The first baffle 5 is fixedly connected to the upper middle part of the side wall of the first support plate 4, so that a portion of the side wall of the first support plate 4 corresponds to the upper part of the first baffle 5. As a possible implementation, the first support plate 4 is constructed in an approximately L-shape, with one side fixedly connected to the vertical wave deflector 3 and the other side fixedly connected to the first baffle 5. The first baffle 5 is arc-shaped and curves obliquely downwards from the top of the vertical wave deflector 3 into the first cavity 14, serving to separate the first cavity 14. The first baffle 5 can be a single integral piece or multiple separate pieces.

[0045] The bottom of the first partition 6 is fixedly connected to the upper surface of the first baffle 5. The height dimension of the first partition 6 is adapted to the distance between the first baffle 5 and the horizontal panel 101 at its location, and the top of the first partition 6 is spaced apart from the horizontal panel 101. As a feasible implementation, multiple first partitions 6 are provided between two adjacent first support plates 4, and the multiple first partitions 6 are spaced apart along the width direction of the horizontal panel 101.

[0046] When the oil level is higher than the horizontal panel 101 in a horizontal state, the first support plate 4, the first baffle 5, and the first partition 6 further divide the first cavity 14 into multiple partitioned chambers, thereby sealing off part of the oil in the first cavity 14. This reduces oil sloshing and also reduces the air intake in that area. Compared to the noise caused by large bubbles being expelled when the oil tank or oil level returns to a horizontal state, reducing the air intake causes the gas to be expelled as small bubbles, thus greatly reducing noise and making it less perceptible to the user, thereby improving the riding experience. When the oil level drops below the horizontal panel 101, the first support plate 4, the first baffle 5, and the first partition 6 further divide the first cavity 14 into multiple partitioned chambers, thereby reducing the local oil wave height and further reducing noise.

[0047] In one embodiment, combined Figure 1 and Figure 2 As shown, it also includes a second baffle 7, the bottom end of which is fixedly connected to the top of the vertical anti-wave plate 3, the top end of which extends obliquely upward, and there is a gap between the side wall of the second baffle 7 and the side wall of the upper housing 1 near the horizontal panel 101.

[0048] The anti-wave noise reduction structure provided in this embodiment uses a second baffle 7 to separate the oil space near the side wall of the upper shell 1, and to impede the oil waves from hitting the side wall of the oil tank and the waves from hitting the liquid surface, thereby further reducing noise.

[0049] Specifically, oil waves generate noise by hitting the side walls of the oil tank, and also when the waves crash against the side walls and bounce back onto the surface. Therefore, a second baffle 7 is installed. This baffle serves two purposes: firstly, it hinders some of the oil waves from hitting the side walls; secondly, it prevents the oil waves at the gap from bouncing back onto the surface on the other side of the second baffle 7, thus reducing noise. The second baffle 7 can be an arc-shaped structure, which, compared to a flat baffle, can guide the oil flow more smoothly.

[0050] The bottom of the second baffle 7 is connected and transitioned to the top of the first baffle 5 at the top of the vertical wave deflector 3, and there is a gap between the connection and the upper shell 1.

[0051] In one embodiment, combined Figure 1 As shown, a second partition 8 is also provided at the gap. The second partition 8 is set vertically and extends along the length direction.

[0052] The anti-wave and noise reduction structure provided in this embodiment uses a second baffle 8 at the gap to divide the oil space at the gap, which helps to weaken the oil waves.

[0053] Specifically, the second baffle 8 is used to separate the oil space in the gap, thereby reducing the local oil wave height and improving the anti-wave and noise reduction effect. The bottom of the second baffle 8 is fixedly connected to the second baffle 7, and the top of the second baffle 8 is lower than the top of the second baffle 7. The second baffle 8 can be a single integral piece or multiple separate pieces. Furthermore, a fourth oil passage hole is provided on the second baffle 8 to balance the oil pressure on both sides of the second baffle 8, preventing oil from stagnating on one side and helping to reduce oil fluctuations. As a feasible implementation, multiple second baffles 8 are spaced apart along the width direction of the horizontal panel 101, thereby further separating the oil space in the gap, which helps to reduce oil fluctuations in each separated space, thus achieving a better anti-wave effect.

[0054] In one embodiment, combined Figure 1 As shown, a second support plate 9 is also provided at the gap. The second support plate 9 is vertically arranged and is fixedly connected to the second baffle 7 and the second partition 8.

[0055] The anti-wave and noise reduction structure provided in this embodiment enhances the connection stability of the second baffle 7 and the second partition 8 by setting the second support plate 9. It can also cooperate with the second partition 8 to further separate the oil space at the gap, which helps to further reduce the height of the oil waves and weaken the sloshing effect of the oil at the gap.

[0056] Specifically, the main plane of the second support plate 9 is parallel to the width direction of the horizontal panel 101. Preferably, there are multiple second support plates 9, which are spaced apart along the length direction of the horizontal panel 101. One end of the second support plate 9 is fixedly connected to the second baffle 7, and the other end is located on the side of the second partition 8 away from the second baffle 7. The position of the second support plate 9 corresponds to that of the first support plate 4, and the bottom of the other end of the second support plate 9 transitions to the top of the first support plate 4.

[0057] In one embodiment, combined Figure 1 As shown, the second baffle 7 has a second oil passage hole 71.

[0058] The anti-wave and noise reduction structure provided in this embodiment facilitates the flow of oil in the oil tank by setting a second oil passage 71 on the second baffle 7, and balances the oil pressure on both sides of the second baffle 7.

[0059] Preferably, the second baffle 7 has a plurality of second oil passage holes 71, which are evenly distributed on the second baffle 7. The second baffle 7 is used to block most of the oil waves while allowing a small amount of oil to pass through.

[0060] In one embodiment, combined Figure 1 As shown, the first partition plate 6 is provided with a third oil passage hole 61 or an oil passage groove 62.

[0061] The anti-surge and noise reduction structure provided in this embodiment provides a third oil passage hole 61 or oil passage groove 62 on the first partition 6 so that the first partition 6 can impede the sloshing of oil while allowing the oil to flow from one side of the first partition 6 to the other side.

[0062] In one embodiment, combined Figure 2 As shown, the vertical wave deflector 3 has multiple third support plates 10 on its side wall away from the horizontal panel 101, and the multiple third support plates 10 are distributed at intervals along the length direction.

[0063] Specifically, the main plane of the third support plate 10 is parallel to the width direction of the horizontal panel 101. The third support plate 10 is fixedly connected to the vertical wave deflector 3 at the position corresponding to the first support plate 4. The top of the third support plate 10 is fixedly connected to the side wall of the second baffle 7.

[0064] In one embodiment, combined Figure 1 As shown, at least one fixing block 11 is provided on the first baffle 5, and the fixing block 11 has a mounting hole 111.

[0065] Specifically, the first fixing block 11 is fixedly connected to the horizontal panel 101 through the mounting hole 111 and the bolts disposed therein.

[0066] In one embodiment, combined Figure 1 As shown, the vertical wave deflector 3 is provided with multiple first oil passage holes 31.

[0067] The wave-damping and noise-reducing structure provided in this embodiment provides a first oil passage hole 31 on the vertical wave-damping plate 3 to facilitate the flow of oil in the oil tank and balance the oil pressure on both sides of the vertical wave-damping plate 3, thereby reducing the pressure on the vertical wave-damping plate 3 when the oil sloshes.

[0068] In one embodiment, combined Figures 1 to 5 As shown, the horizontal panel 101 includes a corner portion 1011 located at one end of the tank housing, and the vertical anti-surge plate 3 includes an arc-shaped portion 32 corresponding to the corner portion 1011. A third baffle 13 is fixedly provided on the side of the arc-shaped portion 32, and the third baffle 13 is located below the corner portion 1011.

[0069] Specifically, the arc-shaped portion 32 is arranged vertically, the third baffle 13 is spherical and protrudes towards the side near the horizontal panel 101, and multiple arc-shaped baffles 12 are arranged vertically on the upper surface of the third baffle 13 from top to bottom. The third baffle 13 and the arc-shaped baffles 12 are used to separate the oil space below the corner portion 1011, thereby reducing oil sloshing in that area. An arc-shaped baffle 12 is also fixedly connected to the top of the third baffle 13. This arc-shaped baffle 12 is used to separate the oil space on the side wall of the upper housing 1 corresponding to the corner portion 1011, thereby reducing the amount of oil sloshing in that area.

[0070] Obviously, the above embodiments are merely examples for clear illustration and are not intended to limit the implementation. Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and all such modifications and variations fall within the scope defined by the present invention.

Claims

1. A wave-damping and noise-reducing structure, characterized in that, The tank is located inside the fuel tank housing, which includes an upper housing (1) and a lower housing (2) fixed to the bottom of the upper housing (1). One side of the bottom of the upper housing (1) is a horizontal panel (101). The wave-proof and noise-reducing structure includes: A vertical wave deflector (3) is disposed inside the tank housing and near the intersection of the horizontal panel (101) and the side wall of the upper housing (1). The horizontal panel (101) has a length direction and a width direction, and the vertical wave deflector (3) extends along the length direction. The first support plate (4) is fixedly connected to the vertical wave-breaking plate (3) and is located below the horizontal panel (101). Multiple first support plates (4) are provided and are distributed at intervals along the length direction. First baffle (5), one first baffle (5) is provided between each two adjacent first support plates (4), one end of the first baffle (5) is fixedly connected to the top of the vertical wave deflector (3), and the other end extends obliquely downward to the horizontal panel (101); A first partition (6) is vertically disposed on the upper surface of the first baffle (5), and at least one first partition (6) is disposed between each two adjacent first support plates (4), wherein the first partition (6) extends along the length direction.

2. The wave-damping and noise-reducing structure according to claim 1, characterized in that, It also includes a second baffle (7), the bottom end of which is fixedly connected to the top of the vertical wave deflector (3), the top end of which extends obliquely upward, and there is a gap between the side wall of the second baffle (7) and the side wall of the upper housing (1) near the horizontal panel (101).

3. The wave-damping and noise-reducing structure according to claim 2, characterized in that, A second partition (8) is also provided at the gap. The second partition (8) is vertically arranged and extends along the length direction.

4. The wave-damping and noise-reducing structure according to claim 3, characterized in that, A second support plate (9) is also provided at the gap. The second support plate (9) is vertically arranged and fixedly connected to the second baffle (7) and the second partition (8).

5. The wave-damping and noise-reducing structure according to claim 2, characterized in that, The second baffle (7) is provided with a second oil passage hole (71).

6. The wave-damping and noise-reducing structure according to claim 1, characterized in that, The first partition (6) is provided with a third oil passage hole (61) or an oil passage groove (62).

7. The wave-damping and noise-reducing structure according to claim 1, characterized in that, The vertical wave deflector (3) has a plurality of third support plates (10) on its side wall away from the horizontal panel (101), and the plurality of third support plates (10) are spaced apart along the length direction.

8. The wave-damping and noise-reducing structure according to claim 1, characterized in that, The first baffle (5) is provided with at least one fixing block (11), and the fixing block (11) is provided with a mounting hole (111).

9. The wave-damping and noise-reducing structure according to claim 1, characterized in that, The vertical wave deflector (3) is provided with a plurality of first oil passage holes (31).

10. The wave-damping and noise-reducing structure according to any one of claims 1 to 9, characterized in that, The horizontal panel (101) includes a corner portion (1011) located at one end of the oil tank shell, and the vertical wave deflector (3) includes an arc-shaped portion (32) corresponding to the corner portion (1011). A third baffle (13) is fixedly provided on the side of the arc-shaped portion (32), and the third baffle (13) is located below the corner portion (1011).

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