Oil tank assembly and car
Technical Field
The utility model relates to an oil tank technical field, in particular to oil tank assembly and car.
Background
With the rapid development of the automobile industry and the continuous improvement and promotion of living conditions of people, automobiles become one of indispensable transportation tools for people to go out. Along with the severe competition of the automobile market at home and abroad, automobile manufacturers must optimize the process and reduce the cost on the basis of ensuring high quality. The oil tank is a container for containing fuel for vehicles, and is used as an important component of an automobile fuel system, the performance and the quality of the automobile oil tank directly influence the driving experience of automobiles, and the stability of the structure and the function of the automobile oil tank is more and more emphasized by people. Therefore, it is very important to assemble a fuel tank with reliable quality for a vehicle in the actual assembly process.
For fuel power or plug-in hybrid commercial vehicles under the national six regulations, the metal fuel tank of the fuel system is the focus of research. The equal high pressure metal fuel tank of fuel power car type fuel system in the existing market, however, current metal fuel tank mainly has following shortcoming structurally:
the metal fuel tank is formed by welding an upper shell and a lower shell, the welding seam is centered, a binding band is easy to interfere with the welding seam of the fuel tank when being installed, the binding band is tightened to extrude the welding seam of the metal fuel tank, and the risk of fuel tank leakage exists; or a nylon cushion block is added between the binding band and the welding line to serve as a buffer, but the welding line is arranged on the front face of the oil tank, the nylon cushion block is not suitable for being fixed, the installation process is complicated, the operation is difficult, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that casing welding seam position is placed in the middle about the current oil tank, and the bandage easily interferes the problem that makes the oil tank have the leakage risk with the oil tank welding seam during installation.
In order to solve the technical problem, in a first aspect, an embodiment of the present application discloses an oil tank assembly, including: an upper shell and a lower shell, wherein the upper shell and the lower shell are welded to form a closed cavity,
the cavity is provided with a welding surface, the welding surface is provided with a first end, a second end, a third end and a fourth end which are sequentially connected, the first end is opposite to the third end, and the second end is opposite to the fourth end;
the first end and the third end are not on the same horizontal plane, and the first end and the third end are not on the same vertical plane;
the projection of the oil tank on the horizontal plane is provided with a first projection line, a second projection line, a third projection line and a fourth projection line, the projection of the first end on the horizontal plane is not coincident with the first projection line, and the projection of the third end on the horizontal plane is not coincident with the third projection line.
Further, the second end is a straight line or a curve; and/or the presence of a gas in the gas,
the fourth end is a straight line or a curve.
Further, the oil tank assembly further comprises a mounting support, the mounting support is an L-shaped bending plate, and mounting holes are formed in the mounting support.
Further, the oil tank is installed on the installing support, the installing support with lower shell contact, first end is kept away from the riser of installing support.
Further, the oil tank assembly further comprises a connecting piece, the connecting piece is connected with the mounting bracket, and the connecting piece is used for fixing the oil tank.
Further, the connecting piece is a binding band or a connecting plate.
Furthermore, the upper shell and the lower shell are provided with assembling grooves, and the assembling grooves are matched with the mounting bracket and the connecting piece.
Furthermore, the side of the lower shell is provided with an oil filling pipe connecting interface.
Furthermore, the oil tank is made of metal or plastic.
In a second aspect, the present application discloses an automobile, which includes the oil tank assembly as described above.
Adopt above-mentioned technical scheme, oil tank assembly and car described in the embodiment of this application have following beneficial effect:
according to the oil tank assembly, the upper shell and the lower shell are welded, the welding surface is an inclined surface, the position of a welding line is subjected to avoidance design, so that the binding bands are not in contact with the welding line completely, the binding bands are only attached to the upper shell of the oil tank, the welding line is not extruded when the binding bands are tightened, and the leakage risk of the oil tank is reduced; meanwhile, the binding band is directly attached to the surface of the oil tank, a nylon cushion block does not need to be added, the cost is reduced, and the installation operation procedure is simplified.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of a fuel tank assembly according to an embodiment of the present application;
FIG. 2 is a top view of a fuel tank assembly according to an embodiment of the present application;
FIG. 3 is a left side view of a fuel tank assembly according to an embodiment of the present application;
FIG. 4 is a schematic side view of a fuel tank assembly according to an embodiment of the present application;
the following is a supplementary description of the drawings:
1-an oil tank; 10-an upper shell; 11-a first end; 12-a second end; 13-a third end; 14-a fourth end; 20-a lower shell; 30-an assembly groove; 2, mounting a bracket; 3-connecting piece.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The automobile fuel tank is a container for storing fuel of an automobile and is a power source of an engine. The welding seam is arranged at the middle position of the existing oil tank, the binding belt is easy to interfere with the welding seam of the oil tank when being installed, the binding belt is tightened to extrude the welding seam of the metal oil tank, and the risk of leakage of the oil tank exists.
As shown in fig. 1 to 3, an embodiment of the present application provides a tank assembly, including: the device comprises an upper shell 10 and a lower shell 20, wherein the upper shell 10 and the lower shell 20 are welded to form a closed cavity, the cavity is provided with a welding surface, the welding surface is provided with a first end 11, a second end 12, a third end 13 and a fourth end 14 which are sequentially connected, the first end 11 is opposite to the third end 13, and the second end 12 is opposite to the fourth end 14; the first end 11 and the third end 13 are not on the same horizontal plane, and the first end 11 and the third end 13 are not on the same vertical plane; the projection of the oil tank 1 on the horizontal plane has a first projection line, a second projection line, a third projection line and a fourth projection line, the projection of the first end 11 on the horizontal plane is not coincident with the first projection line, and the projection of the third end 13 on the horizontal plane is not coincident with the third projection line.
As shown in fig. 1 to 3, in the embodiment of the present application, a welding surface between an upper shell 10 and a lower shell 20 of a fuel tank 1 is an inclined surface, a vertical plane passing through the center of the welding surface is used as a reference surface, and a contour line of the upper shell 10 with the largest distance from the side surface to the reference surface is larger than a distance from a first end 11 to the reference surface; the contour line of the lower case 20 having the largest distance from the side surface to the reference surface is larger than the distance from the third end 13 to the reference surface. Therefore, the avoidance structures are arranged at the positions of the first end 11 and the third end 13 of the welding surface, and the interference of the welding line protrusion and the installation structure is avoided. When the oil tank 1 is installed, the welding line is not in contact with the fixing structures such as the oil tank 1 installing support 2, the belt is installed in a manner of being attached to the upper shell 10 of the oil tank 1, the welding line is not extruded when the binding belt is tightened, and the leakage risk of the oil tank 1 is reduced. And the bandage and the direct laminating in oil tank 1 surface need not to increase the nylon cushion, have reduced spare part quantity, reduce cost simplifies operation process.
In some embodiments, as shown in fig. 3, the welding surface may be a diagonal surface, and the end regions of the second end 12 and the fourth end 14 of the welding surface may be designed as a curved surface, so that the fillet of the curved surface can avoid the interference of the strap or the mounting plate with the weld when the fixed fuel tank 1 is mounted. In other embodiments, as shown in fig. 4, the oil tank 1 may also be designed as a circular cylindrical structure, the welding surface of the circular cylindrical structure is inclined, when the binding bands are used for fixing the oil tank 1, the horizontal plane passing through the central axis of the oil tank 1 is in contact with the oil tank 1, the welding lines completely avoid the binding bands, and the oil tank 1 is prevented from being leaked due to stress cracking of the welding lines.
The second end 12 is a straight line or a curved line; and/or, the fourth end 14 is straight or curved.
As shown in fig. 3 and 4, in the embodiment of the present application, the welding plane is an inclined plane, the planes of the first end 11 and the third end 13 are inclined and avoided, and all or part of the welding seams of the welding plane may be straight lines or irregular curves.
The oil tank assembly further comprises a mounting support 2, the mounting support 2 is an L-shaped bending plate, and mounting holes are formed in the mounting support 2.
As shown in fig. 3, in the embodiment of the present application, the mounting bracket 2 is an L-shaped mounting bracket 2, and optionally, the bending intersection of the mounting bracket 2 is designed as a round corner, which can avoid stress concentration at the bending position and avoid sharp edges. In some embodiments, the mounting bracket 2 is an L-shaped bent plate, and the fuel tank 1 is placed on the mounting bracket 2. In other embodiments, the mounting bracket 2 is formed by two L-shaped bending plates at intervals, and the oil tank 1 is placed on the mounting bracket 2.
Oil tank 1 is installed on installing support 2, and installing support 2 and lower casing 20 contact, and the riser of installing support 2 is kept away from to first end 11.
In this application embodiment, oil tank 1 is placed on installing support 2, and the riser of installing support 2 is kept away from to first end 11, is close to the bottom plate of installing support 2, and the bottom plate of installing support 2 is kept away from to third end 13, is close to the riser of installing support 2.
The oil tank assembly further comprises a connecting piece 3, the connecting piece 3 is connected with the mounting bracket 2, and the connecting piece 3 is used for fixing the oil tank 1.
In the embodiment of the application, the connecting piece 3 is used for fixing the oil tank 1 on the mounting bracket 2, and the connecting piece 3 is riveted or screwed with the mounting bracket 2. Optionally, the connecting piece 3 is a binding band, such as a steel band, a nylon rope, etc.; alternatively, the connecting member 3 is a connecting plate, such as a metal sheet.
The upper casing 10 and the lower casing 20 are provided with assembling grooves 30, and the assembling grooves 30 are matched with the mounting bracket 2 and the connecting piece 3.
In the embodiment of the present application, the upper housing 10 and the lower housing 20 are provided with an assembly groove 30, the mounting bracket 2 is limited in the assembly groove 30 on the lower housing 20, and the connecting element 3 is limited in the assembly groove 30 on the upper housing 10. The fitting groove 30 prevents the fuel tank 1 from being displaced and misaligned during use.
The side of the lower housing 20 is provided with a filler tube connection interface.
The material of the oil tank 1 is metal or plastic.
In the embodiment of the present application, the material of the oil tank 1 may be metal, such as iron, aluminum or other alloy materials, or may be rigid plastic.
The embodiment of the application discloses an automobile, which comprises the oil tank assembly.
In the embodiment of the application, the oil tank 1 is directly matched with the mounting bracket 2, the assembly is completed under the on-line condition, the oil tank can be directly mounted when the whole vehicle is assembled, the process is simplified, the operation platform is enabled to be changed, the assembly efficiency is improved, and the labor cost is saved. Meanwhile, the universality of the oil tank assembly is improved due to the integral installation.
Based on the above alternative embodiments, two alternative embodiments are described below.
Example 1:
as shown in fig. 1 to 3, an embodiment of the present application provides a tank assembly, including: the device comprises an upper shell 10 and a lower shell 20, wherein the upper shell 10 and the lower shell 20 are welded to form a closed cavity, the cavity is provided with a welding surface, the welding surface is provided with a first end 11, a second end 12, a third end 13 and a fourth end 14 which are sequentially connected, the first end 11 is opposite to the third end 13, and the second end 12 is opposite to the fourth end 14; the first end 11 and the third end 13 are not on the same horizontal plane, and the first end 11 and the third end 13 are not on the same vertical plane; the projection of the oil tank 1 on the horizontal plane has a first projection line, a second projection line, a third projection line and a fourth projection line, the projection of the first end 11 on the horizontal plane is not coincident with the first projection line, and the projection of the third end 13 on the horizontal plane is not coincident with the third projection line.
As shown in fig. 1 to 3, in the embodiment of the present application, a welding surface between an upper shell 10 and a lower shell 20 of a fuel tank 1 is an inclined surface, a vertical plane passing through the center of the welding surface is used as a reference surface, and a contour line of the upper shell 10 with the largest distance from the side surface to the reference surface is larger than a distance from a first end 11 to the reference surface; the contour line of the lower case 20 having the largest distance from the side surface to the reference surface is larger than the distance from the third end 13 to the reference surface. Therefore, the avoidance structures are arranged at the positions of the first end 11 and the third end 13 of the welding surface, and the interference of the welding line protrusion and the installation structure is avoided. When the oil tank 1 is installed, the welding line is not in contact with the fixing structures such as the oil tank 1 installing support 2, the belt is installed in a manner of being attached to the upper shell 10 of the oil tank 1, the welding line is not extruded when the binding belt is tightened, and the leakage risk of the oil tank 1 is reduced. And the bandage and the direct laminating in oil tank 1 surface need not to increase the nylon cushion, have reduced spare part quantity, reduce cost simplifies operation process.
As shown in fig. 3, the welding surface may be a diagonal surface, and the end regions of the second end 12 and the fourth end 14 of the welding surface may be designed as a curved surface, so that when the fixed fuel tank 1 is installed, the fillet of the curved surface can avoid the interference of the binding band or the mounting plate with the weld joint.
The second end 12 is a straight line and the fourth end 14 is a straight line.
As shown in fig. 3 and 4, in the embodiment of the present application, the welding plane is set to be an inclined plane, the planes of the first end 11 and the third end 13 are inclined and receded, and all or part of the welding seams of the welding plane are straight lines.
The oil tank assembly further comprises a mounting support 2, the mounting support 2 is an L-shaped bending plate, and mounting holes are formed in the mounting support 2.
As shown in fig. 3, in the embodiment of the present application, the mounting bracket 2 is an L-shaped mounting bracket 2, and optionally, the bending intersection of the mounting bracket 2 is designed as a round corner, which can avoid stress concentration at the bending position and avoid sharp edges. The mounting bracket 2 is arranged at intervals of two L-shaped bending plates, and the oil tank 1 is arranged on the mounting bracket 2.
Oil tank 1 is installed on installing support 2, and installing support 2 and lower casing 20 contact, and the riser of installing support 2 is kept away from to first end 11.
In this application embodiment, oil tank 1 is placed on installing support 2, and the riser of installing support 2 is kept away from to first end 11, is close to the bottom plate of installing support 2, and the bottom plate of installing support 2 is kept away from to third end 13, is close to the riser of installing support 2.
The oil tank assembly further comprises a connecting piece 3, the connecting piece 3 is connected with the mounting bracket 2, and the connecting piece 3 is used for fixing the oil tank 1.
In the embodiment of the application, the connecting piece 3 is used for fixing the oil tank 1 on the mounting bracket 2, and the connecting piece 3 is riveted or screwed with the mounting bracket 2. The connecting piece 3 is a binding band, such as a steel band, a nylon rope and the like.
The upper casing 10 and the lower casing 20 are provided with assembling grooves 30, and the assembling grooves 30 are matched with the mounting bracket 2 and the connecting piece 3.
In the embodiment of the present application, the upper housing 10 and the lower housing 20 are provided with an assembly groove 30, the mounting bracket 2 is limited in the assembly groove 30 on the lower housing 20, and the connecting element 3 is limited in the assembly groove 30 on the upper housing 10. The fitting groove 30 prevents the fuel tank 1 from being displaced and misaligned during use.
The side of the lower housing 20 is provided with a filler tube connection interface.
The material of the oil tank 1 is metal or plastic.
In the embodiment of the present application, the material of the oil tank 1 is metal, such as iron, aluminum or other alloy materials.
The embodiment of the application discloses an automobile, which comprises the oil tank assembly.
In the embodiment of the application, the oil tank 1 is directly matched with the mounting bracket 2, the assembly is completed under the on-line condition, the oil tank can be directly mounted when the whole vehicle is assembled, the process is simplified, the operation platform is enabled to be changed, the assembly efficiency is improved, and the labor cost is saved. Meanwhile, the universality of the oil tank assembly is improved due to the integral installation.
Example 2:
as shown in fig. 1 to 3, an embodiment of the present application provides a tank assembly, including: the device comprises an upper shell 10 and a lower shell 20, wherein the upper shell 10 and the lower shell 20 are welded to form a closed cavity, the cavity is provided with a welding surface, the welding surface is provided with a first end 11, a second end 12, a third end 13 and a fourth end 14 which are sequentially connected, the first end 11 is opposite to the third end 13, and the second end 12 is opposite to the fourth end 14; the first end 11 and the third end 13 are not on the same horizontal plane, and the first end 11 and the third end 13 are not on the same vertical plane; the projection of the oil tank 1 on the horizontal plane has a first projection line, a second projection line, a third projection line and a fourth projection line, the projection of the first end 11 on the horizontal plane is not coincident with the first projection line, and the projection of the third end 13 on the horizontal plane is not coincident with the third projection line.
As shown in fig. 1 to 3, in the embodiment of the present application, a welding surface between an upper shell 10 and a lower shell 20 of a fuel tank 1 is an inclined surface, a vertical plane passing through the center of the welding surface is used as a reference surface, and a contour line of the upper shell 10 with the largest distance from the side surface to the reference surface is larger than a distance from a first end 11 to the reference surface; the contour line of the lower case 20 having the largest distance from the side surface to the reference surface is larger than the distance from the third end 13 to the reference surface. Therefore, the avoidance structures are arranged at the positions of the first end 11 and the third end 13 of the welding surface, and the interference of the welding line protrusion and the installation structure is avoided. When the oil tank 1 is installed, the welding line is not in contact with the fixing structures such as the oil tank 1 installing support 2, the belt is installed in a manner of being attached to the upper shell 10 of the oil tank 1, the welding line is not extruded when the binding belt is tightened, and the leakage risk of the oil tank 1 is reduced. And the bandage and the direct laminating in oil tank 1 surface need not to increase the nylon cushion, have reduced spare part quantity, reduce cost simplifies operation process.
As shown in fig. 4, the oil tank 1 is a circular cylindrical structure, the welding surface of the oil tank 1 is obliquely arranged, when the oil tank 1 is fixed by the binding bands, the horizontal plane penetrating through the central axis of the oil tank 1 is contacted with the oil tank 1, the welding line completely avoids the binding bands, and the oil tank 1 is prevented from being leaked due to stress cracking of the welding line.
The second end 12 is curved; the fourth end 14 is curved.
As shown in fig. 3 and 4, in the embodiment of the present application, the welding plane is set to be an inclined plane, the planes of the first end 11 and the third end 13 are inclined and receded, and all or part of the welding seams of the welding plane are irregular curves.
The oil tank assembly further comprises a mounting support 2, the mounting support 2 is an L-shaped bending plate, and mounting holes are formed in the mounting support 2.
As shown in fig. 3, in the embodiment of the present application, the mounting bracket 2 is an L-shaped mounting bracket 2, and optionally, the bending intersection of the mounting bracket 2 is designed as a round corner, which can avoid stress concentration at the bending position and avoid sharp edges. The mounting bracket 2 is an L-shaped bending plate, and the oil tank 1 is placed on the mounting bracket 2.
Oil tank 1 is installed on installing support 2, and installing support 2 and lower casing 20 contact, and the riser of installing support 2 is kept away from to first end 11.
In this application embodiment, oil tank 1 is placed on installing support 2, and the riser of installing support 2 is kept away from to first end 11, is close to the bottom plate of installing support 2, and the bottom plate of installing support 2 is kept away from to third end 13, is close to the riser of installing support 2.
The oil tank assembly further comprises a connecting piece 3, the connecting piece 3 is connected with the mounting bracket 2, and the connecting piece 3 is used for fixing the oil tank 1.
In the embodiment of the application, the connecting piece 3 is used for fixing the oil tank 1 on the mounting bracket 2, and the connecting piece 3 is riveted or screwed with the mounting bracket 2. The connecting piece 3 is a connecting plate, such as a metal sheet.
The upper casing 10 and the lower casing 20 are provided with assembling grooves 30, and the assembling grooves 30 are matched with the mounting bracket 2 and the connecting piece 3.
In the embodiment of the present application, the upper housing 10 and the lower housing 20 are provided with an assembly groove 30, the mounting bracket 2 is limited in the assembly groove 30 on the lower housing 20, and the connecting element 3 is limited in the assembly groove 30 on the upper housing 10. The fitting groove 30 prevents the fuel tank 1 from being displaced and misaligned during use.
The side of the lower housing 20 is provided with a filler tube connection interface.
The material of the oil tank 1 is metal or plastic.
In the embodiment of the present application, the material of the oil tank 1 is rigid plastic or the like.
The embodiment of the application discloses an automobile, which comprises the oil tank assembly.
In the embodiment of the application, the oil tank 1 is directly matched with the mounting bracket 2, the assembly is completed under the on-line condition, the oil tank can be directly mounted when the whole vehicle is assembled, the process is simplified, the operation platform is enabled to be changed, the assembly efficiency is improved, and the labor cost is saved. Meanwhile, the universality of the oil tank assembly is improved due to the integral installation.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.