Automobile fuel tank heat insulation component and automobile

Abstract

The utility model relates to an automobile fuel tank heat insulation component and an automobile, the automobile fuel tank heat insulation component comprises a heat insulation plate of a semi-surrounding structure, the heat insulation plate covers the side of a fuel tank in a buckled mode, and the fuel tank is in clearance fit with the heat insulation plate; reinforcing ribs are arranged on the heat insulation plate, and the outline of the reinforcing ribs is matched with the outline shape of stiffening ribs on the oil tank. Through the arrangement of the heat insulation plate of the semi-surrounding structure, the heat insulation plate covers the side of the oil tank in a buckled mode, the good heat insulation effect can be achieved, and a channel for radiating heat of the exhaust pipe to dissipate towards the side of the oil tank is blocked. The oil tank is in clearance fit with the heat insulation plate, so that the heat dissipation effect of the heat insulation plate is improved, and the requirement for heat insulation protection of the oil tank can be met. The structural strength of the heat insulation plate is enhanced, meanwhile, the combination degree between the heat insulation plate and the oil tank is enhanced, it can be ensured that the heat insulation plate conducts effective heat insulation protection on the oil tank, and the good heat insulation effect is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of automobile fuel systems, and in particular to an automobile fuel tank thermal insulation component and an automobile. Background Art

[0002] At present, due to the inevitable heat radiation in automobile exhaust pipes, the fuel tank close to the exhaust pipe needs to be protected by a heat insulation board to reduce the safety risk of the radiant heat from the exhaust pipe to the fuel tank.

[0003] Existing heat shield protection generally has the disadvantages of low structural strength and easy changeability, which cannot effectively and reliably ensure the connection between the heat shield and the oil tank, and easily causes the heat shield to vibrate.

[0004] Furthermore, due to the defects of low structural strength and variability, it is difficult to maintain the insulation board wrapping the outer periphery of the fuel tank, and the insulation function is not ideal.

[0005] At the same time, it is difficult to control the gap distance between the heat insulation board and the fuel tank during the layout process, resulting in uneven gap between the heat insulation board and the fuel tank and poor insulation effect. Utility Model Content

[0006] The purpose of the present application is to provide an automobile fuel tank insulation component and an automobile, which can enhance the structural strength of the insulation board and at the same time enhance the bonding between the insulation board and the fuel tank, ensuring that the insulation board can effectively provide thermal insulation protection for the fuel tank.

[0007] In order to achieve the above-mentioned object, in a first aspect, the utility model provides an automobile fuel tank heat insulation component, comprising a heat insulation board of a semi-enclosed structure, wherein the heat insulation board is buckled on the side of the fuel tank, and the fuel tank and the heat insulation board are in clearance fit;

[0008] The heat insulation plate is provided with reinforcing ribs, and the contour of the reinforcing ribs follows the contour shape of the stiffening ribs on the oil tank.

[0009] In an optional embodiment, the stiffening rib is protrudingly arranged on the outer side wall of the oil tank, the reinforcing rib includes an annular groove stiffening rib arranged on the heat insulation plate, and the stiffening rib is adapted to the groove cavity of the annular groove stiffening rib.

[0010] In an optional embodiment, a connecting edge is provided on the outer edge of the contour of the heat insulation board, and a mounting edge is provided on the side wall of the oil tank, and the connecting edge and the mounting edge are connected by rivets.

[0011] In an optional embodiment, rivet holes for the rivets to pass through are provided on the connecting edge and the mounting edge, and vibration-damping rubber pads are provided at the rivet holes. The vibration-damping rubber pads are sleeved on the rivets and are provided between the connecting edge and the mounting edge.

[0012] In an optional embodiment, a plurality of thermal insulation rubber pads are arranged between the thermal insulation board and the oil tank, and the plurality of thermal insulation rubber pads are supported at intervals in the gap between the oil tank and the thermal insulation board.

[0013] In an optional embodiment, the thermal insulation pad comprises a long strip or block structure, and the support is clamped between the thermal insulation board and the oil tank;

[0014] The thermal insulation pads are fixed by bonding with single-sided tape or double-sided tape, and each of the thermal insulation pads has the same thickness.

[0015] In an optional embodiment, the material of the heat-insulating rubber pad and the material of the vibration-damping rubber pad are both EPDM rubber.

[0016] In an optional embodiment, the heat insulation board is made of aluminum alloy and includes a three-dimensional plate structure formed by an integral casting.

[0017] In an optional embodiment, the heat shield includes a semi-enclosed opening at a side, and the semi-enclosed opening is adapted to a side of the oil tank close to the exhaust pipe.

[0018] In a second aspect, the utility model provides an automobile, comprising an exhaust pipe, a fuel tank and an automobile fuel tank thermal insulation component as described in any one of the aforementioned embodiments, wherein the automobile fuel tank thermal insulation component is installed between the exhaust pipe and the fuel tank to block the radiant heat transferred from the exhaust pipe to the fuel tank.

[0019] By setting up a semi-enclosed structure heat insulation board, combined with buckling the heat insulation board on the side of the fuel tank, a good heat insulation effect can be achieved, blocking the channel for exhaust pipe radiant heat to escape to the fuel tank side.

[0020] The gap between the oil tank and the heat insulation board can, on the one hand, prevent the radiant heat absorbed by the heat insulation board from being conducted to the oil tank, and on the other hand, facilitate the heat absorbed by the heat insulation board to diffuse outward through the gap, thereby improving the heat dissipation effect of the heat insulation board, thereby meeting the demand for heat insulation protection of the oil tank.

[0021] By providing reinforcing ribs on the insulation board, the structural strength of the insulation board can be directly enhanced, thereby ensuring its stability and reliability during long-term use and reducing the risk of thermal volatility.

[0022] At the same time, by setting the profile of the reinforcing rib to follow the profile shape of the stiffening rib on the fuel tank, the degree of adaptability between the heat insulation board and the fuel tank can be enhanced, so that the heat insulation board forms an effective and reliable heat insulation wrapping state on the side of the fuel tank close to the exhaust pipe.

[0023] By enhancing the structural strength of the heat insulation board and enhancing the bonding between the heat insulation board and the fuel tank, it can be ensured that the heat insulation board provides effective heat insulation protection for the fuel tank to achieve a good heat insulation effect.

[0024] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the structure of the heat insulation board in this application;

[0027] Figure 2 It is a schematic diagram of the distribution of thermal insulation pads on the thermal insulation board;

[0028] Figure 3 It is a schematic diagram of the matching relationship between the heat insulation board and the oil tank;

[0029] Figure 4 Schematic diagram of the coordination among the exhaust pipe, heat shield and fuel tank.

[0030] icon:

[0031] 1-insulation board; 11-reinforcement rib; 12-connecting edge; 13-semi-enclosed opening;

[0032] 2- oil tank; 21- installation edge;

[0033] 3- Rivets;

[0034] 4-rivet hole;

[0035] 5-Thermal insulation pad;

[0036] 6- Exhaust pipe. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0038] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0039] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] See also Figure 1 , and combined with Figure 2-Figure 4 The automobile fuel tank insulation component in the present application is mainly to enhance the stability of the insulation board 1 from the perspective of changing the structural strength of the insulation board 1; and to optimize the matching relationship between the insulation board 1 and the fuel tank 2 from the perspective of ensuring the uniformity of the gap under the premise of matching the gap between the insulation board 1 and the fuel tank 2, thereby improving the insulation effect.

[0041] The automobile fuel tank insulation component in the present application is arranged between the exhaust pipe 6 and the fuel tank 2. The main structure includes a heat insulation board 1 arranged between the exhaust pipe 6 and the fuel tank 2. The heat insulation board 1 is a semi-enclosed structure, which can semi-enclose the fuel tank 2 on the side of the fuel tank 2 close to the exhaust pipe 6, thereby forming a heat insulation protection structure for the fuel tank 2.

[0042] The semi-enclosed structure of the heat insulation board 1 can facilitate the installation of the heat insulation board 1 on the side of the oil tank 2, facilitate the connection between the heat insulation board 1 and the oil tank 2, and further help to maintain a clearance fit setting relationship between the oil tank 2 and the heat insulation board 1.

[0043] The clearance fit between the oil tank 2 and the heat insulation board 1 can generate a gap between the heat insulation board 1 and the oil tank 2. The main purpose of the gap is to form a heat transfer block between the heat insulation board 1 and the oil tank 2.

[0044] Specifically, when the heat insulation board 1 is wrapping the fuel tank 2 for insulation, it is affected by the radiant heat from the exhaust pipe 6 and its temperature rises after absorbing the radiant heat. Through the clearance fit between the heat insulation board 1 and the fuel tank 2, the heat conduction path can be blocked first, thus avoiding the conduction of the heat of the heat insulation board 1 itself to the fuel tank 2.

[0045] Secondly, it can form a heat dissipation space for the heat insulation board 1, and the heat absorbed by the heat insulation board 1 can be dissipated to the outside through the gaps, thereby promoting the dissipation of the heat of the heat insulation board 1 to the peripheral space, thereby minimizing the impact on the oil tank 2 to the greatest extent.

[0046] From the perspective of enhancing the structural strength of the heat insulation board 1 itself, reinforcing ribs 11 are provided on the heat insulation board 1. The provision of the reinforcing ribs 11 can enhance structural stability, reduce the risk of deformation, and enable the heat insulation board 1 and the oil tank 2 to maintain a stable, stereotyped matching relationship.

[0047] Furthermore, by setting the contour shape of the reinforcing rib 11 to follow the contour shape of the stiffening rib (not shown in the figure) on the oil tank 2, the insulation board 1 can be better fitted and installed on the side of the oil tank 2, thereby creating conditions for the clearance fit between the two.

[0048] The automobile fuel tank heat insulation component of the utility model can effectively isolate the exhaust pipe 6 from the fuel tank 2, thereby providing good heat insulation protection for the fuel tank 2.

[0049] In one of the specific embodiments, the stiffening ribs on the fuel tank 2 are protrudingly arranged on the outer wall of the fuel tank 2. The stiffening ribs are mainly used to withstand and disperse the pressure, impact and vibration inside the fuel tank 2, thereby protecting the fuel tank 2 from damage and making the structure of the fuel tank 2 stable and reliable.

[0050] At the same time, in order to make the heat insulation board 1 and the oil tank 2 fit better, the reinforcing rib 11 includes an annular groove reinforcing rib 11 arranged on the heat insulation board 1, and the annular groove reinforcing rib 11 is specifically an annular groove structure.

[0051] Based on the contour shape of the reinforcing rib 11 being consistent with the contour shape of the stiffening rib, the stiffening rib is adapted to the groove cavity of the annular groove reinforcing rib 11, which can firstly meet the requirements of the insulation board 1 being able to fit the cover on the side of the oil tank 2, and secondly, a clearance fit relationship can be formed between the two.

[0052] The heat insulation board 1 in the utility model is specifically installed on the oil tank 2. From the perspective of connection and installation, a connecting edge 12 is provided on the outer edge of the contour of the heat insulation board 1, and an installation edge 21 is provided on the side wall of the oil tank 2. The connecting edge 12 and the installation edge 21 are connected by rivets 3.

[0053] Furthermore, rivet holes 4 are provided on the connecting edge 12 and the installation edge 21 , through which rivets 3 can be inserted to assemble and install the heat insulation board 1 and the oil tank 2 .

[0054] The heat insulation board 1 in this embodiment is a metal plate. In order to prevent a rigid connection between the heat insulation board 1 and the fuel tank 2, a vibration-damping pad made of rubber material is arranged at the rivet hole 4, which can reduce the vibration effect caused by the rigid connection. Specifically, the vibration-damping pad is sleeved on the rivet 3 and arranged between the connecting edge 12 and the installation edge 21, which can form an effective vibration-damping buffer to avoid connection failure due to vibration during vehicle operation.

[0055] On the basis of clearance matching, in order to keep the clearance relatively uniform and make the heat dissipation of the insulation board 1 more uniform, a plurality of insulation pads 5 are arranged between the insulation board 1 and the oil tank 2. The insulation pads 5 mainly play the role of supporting the gap.

[0056] Preferably, a plurality of thermal insulation pads 5 are supported at intervals in the gap between the oil tank 2 and the thermal insulation board 1, which can provide a good supporting foundation for maintaining the gap.

[0057] The thermal insulation rubber pad 5 in this embodiment includes a long strip or block structure, the main purpose of which is to increase the contact area between the two-way sides of the thermal insulation rubber pad 5 and the insulation board 1 and the oil tank 2, thereby providing effective support strength and ensuring the reliability of the gap.

[0058] Preferably, the thermal insulation pad 5 is fixed by bonding with single-sided tape or double-sided tape. In the form of single-sided tape, one side of the thermal insulation pad 5 can be bonded to the side wall of the insulation board 1 or the oil tank 2, and the other side of the thermal insulation pad 5 can be movably attached to another structure, which can facilitate the maintenance and replacement of the insulation board 1 after installation.

[0059] In the form of double-sided tape, the connection strength of the thermal insulation rubber pad 5 between the thermal insulation board 1 and the oil tank 2 can be ensured, preventing the thermal insulation board 1 from shifting relative to the oil tank 2.

[0060] In order to maintain uniformity of the gap, each thermal insulation pad 5 has the same thickness, so that the thermal insulation board 1 and the oil tank 2 can maintain the same spacing of gaps at different locations, which is beneficial to ensure uniform heat dissipation of the thermal insulation board 1 through the gap and avoid heat concentration.

[0061] The heat-insulating rubber pad 5 in this embodiment is made of the same material as the vibration-damping rubber pad, which is EPDM. Due to the saturated hydrocarbon structure of the main chain and the unsaturated double bonds of the side chain, EPDM has heat-resistant, weather-resistant and other aging-resistant properties, and is particularly suitable for use in the heat-insulating structure of this application, and can maintain good anti-oxidation and anti-corrosion properties.

[0062] From the perspective of heat dissipation of the heat insulation board 1, the material of the heat insulation board 1 in this embodiment is aluminum alloy, which can achieve good heat dissipation. During the processing, the heat insulation board 1 is molded into a semi-enclosed three-dimensional plate structure. After being connected to the oil tank 2, it can form a good wrapping protection and provide good thermal insulation performance.

[0063] The heat insulation board 1 in the shape of a three-dimensional plate specifically includes a bent plate with a certain covering space whose edge is flipped downward, and the edge structure protruding after flipping downward forms a connecting edge 12. The heat insulation board 1 includes a semi-enclosed opening 13 located on the side. When connected to the fuel tank 2, the semi-enclosed opening 13 is adapted to the side of the fuel tank 2 close to the exhaust pipe 6, so that the heat insulation board 1 can be effectively combined and installed on the fuel tank 2, and the heat accumulated between the heat insulation board 1 and the fuel tank 2 can be dissipated through the gap in the open part.

[0064] In another specific embodiment, the utility model also provides an automobile, including an exhaust pipe 6, a fuel tank 2, and the automobile fuel tank thermal insulation component mentioned above. By installing the automobile fuel tank thermal insulation component between the exhaust pipe 6 and the fuel tank 2, the radiant heat transmitted from the exhaust pipe 6 to the fuel tank 2 can be blocked, thereby effectively ensuring the safety of the fuel tank 2.

[0065] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0066] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automobile fuel tank insulation component, characterized in that: A heat insulation board having a semi-enclosed structure, wherein the heat insulation board is buckled and covered on the side of the oil tank, and the oil tank and the heat insulation board are in clearance fit; The heat insulation plate is provided with reinforcing ribs, and the contour of the reinforcing ribs follows the contour shape of the stiffening ribs on the oil tank.

2. The automobile fuel tank heat insulation component according to claim 1, characterized in that: The stiffening rib is protrudingly arranged on the outer side wall of the oil tank, and the reinforcing rib includes an annular groove reinforcing rib arranged on the heat insulation plate, and the stiffening rib is adapted to the groove cavity of the annular groove reinforcing rib.

3. The automobile fuel tank heat insulation component according to claim 1, characterized in that: The outer edge of the heat insulation board is provided with a connecting edge, and the side wall of the oil tank is provided with a mounting edge, and the connecting edge and the mounting edge are connected by rivets.

4. The automobile fuel tank heat insulation component according to claim 3, characterized in that: The connecting edge and the mounting edge are both provided with rivet holes for the rivets to pass through, and the rivet holes are provided with vibration-damping rubber pads, which are sleeved on the rivets and arranged between the connecting edge and the mounting edge.

5. The automobile fuel tank heat insulation component according to claim 4, characterized in that: A plurality of heat-insulating rubber pads are arranged between the heat-insulating plate and the oil tank, and the plurality of heat-insulating rubber pads are supported at intervals in the gap between the oil tank and the heat-insulating plate.

6. The automobile fuel tank heat insulation component according to claim 5, characterized in that: The thermal insulation rubber pad comprises a long strip or block structure, and is supported and clamped between the thermal insulation board and the oil tank; The thermal insulation pads are fixed by bonding with single-sided tape or double-sided tape, and each of the thermal insulation pads has the same thickness.

7. The automobile fuel tank heat insulation component according to claim 5, characterized in that: The material of the heat-insulating rubber pad and the material of the vibration-damping rubber pad are both EPDM rubber.

8. The automobile fuel tank heat insulation component according to any one of claims 1 to 7, characterized in that: The heat insulation board is made of aluminum alloy and comprises a three-dimensional plate structure formed by an integral casting mold.

9. The automobile fuel tank heat insulation component according to any one of claims 1 to 7, characterized in that: The heat insulation board includes a semi-enclosed opening at the side, and the semi-enclosed opening is adapted to the side of the oil tank close to the exhaust pipe.

10. An automobile, characterized in that: The invention comprises an exhaust pipe, a fuel tank and the automobile fuel tank heat insulation component according to any one of claims 1 to 9, wherein the automobile fuel tank heat insulation component is installed between the exhaust pipe and the fuel tank to block the radiant heat transferred from the exhaust pipe to the fuel tank.

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