Mudguard bracket and manufacturing method thereof

Abstract

The present invention discloses a fender bracket and a manufacturing method, which relates to the technical field of vehicle parts, including: a vehicle bracket; an accessory bracket, the accessory bracket is arranged in the vehicle bracket, the accessory bracket includes: an upper bracket member, which is arranged on one side of the vehicle bracket and fits with the vehicle bracket; a lower bracket member, which is arranged on the other side of the vehicle bracket, and a first mounting hole is provided at the fitting part of the upper bracket member and the lower bracket member. The beneficial effects of the present invention are: through the vehicle bracket and the accessory bracket, the base is stamped and formed by high-strength materials, the process is simple, and the yield rate is high, the pipe beam adopts a special-shaped structure, the rigidity, strength and reliability of the parts are improved, the base and the pipe beam adopt flash butt welding, the welding quality is stable and reliable, the accessory bracket and the pipe beam are fastened, the accessory bracket and the pipe beam adopt rubber transition, which effectively reduces the amplitude of the fender bracket, and the new fender bracket is more than 30% lighter than the traditional fender bracket.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle parts, and in particular to a fender bracket and a manufacturing method thereof. Background Art

[0002] The prior art CN212500684U and CN211107725U proposed a vulcanized fender bracket, and the assembly process is vulcanization + press-fitting. Compared with the welding method, it effectively solves the problem of large vibration amplitude and easy fatigue failure, but the casting base is prone to shrinkage and shrinkage, and the current vulcanization cost is relatively high;

[0003] The prior art CN111216807A invention patent discloses a lightweight buckle-type anti-rotation fender bracket, which improves the reliability of the base compared to direct vulcanization + press-fitting, and is relatively simple to manufacture, but has more processes and requires longer working hours;

[0004] The friction welding or arc welding fender bracket proposed in the prior art CN208630712U and CN208897179U has the advantages of high quality, high welding quality consistency and low cost, but the base structure is complex, the pipe beam structure must be a round pipe, and the structure and force cannot be further optimized;

[0005] The prior art CN112977630A proposes an assembled aluminum alloy fender bracket, in which the base, tube beam and accessories are made of aluminum alloy material, which has the advantage of being lightweight, but the base and tube beam structures are complex, and the aluminum alloy cost is relatively high. Summary of the invention

[0006] The purpose of the present invention is to overcome the deficiencies of the above-mentioned background technology and to provide a fender bracket and a manufacturing method thereof.

[0007] In a first aspect, the present invention provides a fender bracket and a manufacturing method thereof, comprising:

[0008] Vehicle brackets;

[0009] An accessory bracket, the accessory bracket is arranged in the vehicle bracket, and the accessory bracket includes:

[0010] An upper bracket member, disposed on one side of the vehicle bracket and fitted with the vehicle bracket;

[0011] The lower bracket component is arranged on the other side of the vehicle bracket and is fitted with the upper bracket component. The fitting parts of the upper bracket component and the lower bracket component are both provided with a first mounting hole, and one side of the lower bracket component is provided with a second mounting hole.

[0012] Further, the first mounting hole is located near the top and bottom of the upper bracket component, and the second mounting hole is located near the top and bottom of the lower bracket component.

[0013] Furthermore, a mounting member is disposed inside the first mounting hole, and the mounting member is disposed between the upper bracket member and the lower bracket member.

[0014] Furthermore, the positions where the upper bracket component and the lower bracket component fit with the vehicle bracket are both arc-shaped.

[0015] Furthermore, a flexible portion is provided at a position where the vehicle bracket is in contact with the upper bracket component and the lower bracket component, and the flexible portion comprises rubber.

[0016] Furthermore, the vehicle support includes a base and a tube beam, one side of the tube beam is welded to the base, and the outer surface of the tube beam is fitted with the upper support member and the lower support member.

[0017] Furthermore, the middle parts of the base and the tube beam are both in a vacuum state, and the base is in a trumpet shape as a whole.

[0018] Furthermore, threaded holes are provided at four corners of one side of the base.

[0019] In a second aspect, the present invention further provides a method for manufacturing a fender bracket, comprising a fender bracket of any of the above schemes, and further comprising the following steps:

[0020] Install the accessory bracket on the vehicle bracket;

[0021] Welding the tubular beam to the base to form a vehicle support;

[0022] Install the upper bracket member and the lower bracket member of the accessory bracket on the pipe beam;

[0023] A first mounting hole is formed at the joint between the upper bracket and the lower bracket;

[0024] Installing the mounting member in the first mounting hole;

[0025] The second mounting hole is opened on the lower bracket.

[0026] Furthermore, the method further comprises the following steps:

[0027] The base and accessory bracket are stamped out;

[0028] Treat the surface of the accessory bracket;

[0029] Weld and install the pipe beam on the base, and clean the welding slag on the surface of the pipe beam;

[0030] Conduct quality inspection and treatment on the surface of the foundation and pipe beam;

[0031] Install the accessory bracket on the pipe beam, and install the mounting piece in the first mounting hole of the accessory bracket.

[0032] Compared with the prior art, the advantages of the present invention are as follows: through the vehicle bracket and the accessory bracket, the base is stamped and formed by high-strength material, the process is simple, and the yield is high; the tube beam adopts a special-shaped structure to improve the rigidity, strength and reliability of the parts; the base and the tube beam are flash butt welded, and the welding quality is stable and reliable; the accessory bracket and the tube beam are fastened and connected; the accessory bracket and the tube beam adopt rubber transition to effectively reduce the amplitude of the fender bracket; the new fender bracket is more than 30% lighter than the traditional fender bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic front cross-sectional view of the present invention as a whole.

[0034] Figure 2 It is a schematic left view of the present invention as a whole.

[0035] Figure 3 It is a schematic diagram of welding the base and the pipe beam of the present invention.

[0036] Figure 4 It is a schematic diagram of the thickness of the base and the tube beam of the present invention.

[0037] Figure 5 It is a schematic diagram of the major and minor axes of the tubular beam of the present invention.

[0038] Figure 6 It is a schematic diagram of the base of the present invention.

[0039] In the figure:

[0040] 1. Base;

[0041] 2. Tube beam;

[0042] 3. accessory bracket; 31. upper bracket member; 32. lower bracket member; 33. first mounting hole; 34. second mounting hole. DETAILED DESCRIPTION

[0043] Reference will now be made in detail to specific embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Although the present invention will be described in conjunction with specific embodiments, it will be understood that it is not intended to limit the present invention to the embodiments described. On the contrary, it is intended to cover changes, modifications and equivalents included in the spirit and scope of the present invention as defined by the appended claims. It should be noted that the method steps described herein can all be implemented by any functional block or functional arrangement, and any functional block or functional arrangement can be implemented as a physical entity or a logical entity, or a combination of the two.

[0044] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0045] Note: The example to be introduced below is only a specific example, and is not intended to limit the embodiments of the present invention to the following specific steps, values, conditions, data, sequences, etc. Those skilled in the art can apply the concept of the present invention to construct more embodiments not mentioned in this specification by reading this specification.

[0046] The prior art CN212500684U and CN211107725U proposed a vulcanized fender bracket, and the assembly process is vulcanization + press-fitting. Compared with the welding method, it effectively solves the problem of large vibration amplitude and easy fatigue failure, but the casting base is prone to shrinkage and shrinkage, and the current vulcanization cost is relatively high;

[0047] The prior art CN111216807A invention patent discloses a lightweight buckle-type anti-rotation fender bracket, which improves the reliability of the base compared to direct vulcanization + press-fitting, and is relatively simple to manufacture, but has more processes and requires longer working hours;

[0048] The friction welding or arc welding fender bracket proposed in the prior art CN208630712U and CN208897179U has the advantages of high quality, high welding quality consistency and low cost, but the base structure is complex, the pipe beam structure must be a round pipe, and the structure and force cannot be further optimized;

[0049] The prior art CN112977630A proposes an assembled aluminum alloy fender bracket, in which the base, tube beam and accessories are made of aluminum alloy material, which has the advantage of being lightweight, but the base and tube beam structures are complex, and the aluminum alloy cost is relatively high.

[0050] In order to solve the problems existing in the above-mentioned fender bracket, the present invention proposes a fender bracket and a manufacturing method, which in this embodiment includes: a vehicle bracket; an accessory bracket 3, wherein the accessory bracket 3 is arranged in the vehicle bracket, and the accessory bracket 3 includes: an upper bracket member 31, which is arranged on one side of the vehicle bracket and is fitted with the vehicle bracket; a lower bracket member 32, which is arranged on the other side of the vehicle bracket and is fitted with the upper bracket member 31, and a first mounting hole 33 is provided at the fitting position of the upper bracket member 31 and the lower bracket member 32, and a second mounting hole 34 is provided at one side of the lower bracket member 32;

[0051] In the present application, the base 1 is stamped, with a threaded hole at the bottom, the tube beam 2 is an elliptical structure, and the cross section has a distinct major axis a and a minor axis b, and the size of the major axis and the minor axis are optimized according to the working conditions and stress, and the accessory bracket 3 is a stamped part, which is divided into an upper bracket part 31 and a lower bracket part 32, wherein the upper bracket part 31 and the lower bracket part 32 have a first fastening mounting hole 33 for connecting with the tube beam 2, and the lower bracket part 32 also has a second mounting hole 34 for connecting with the fender;

[0052] The tube beam 2 is a special-shaped structure, which can be optimized according to the actual stress conditions of the commercial vehicle, and is more than 30% lighter than the traditional structure;

[0053] The overall bracket design and actual force are more optimized so that the actual force of the fender is more matched with the parts, and the reliability welding problem of the special-shaped end faces and non-equal wall thickness between the base 1 and the tube beam 2 is solved. At present, the round tube beam 2 uses (friction welding, fusion welding), which is better welded and realizes high-reliability consistency welding of special-shaped end faces with non-equal wall thickness. The existing base 1 is a forging and is relatively bulky, which solves the problem of the heavy weight of the base 1. The overall bracket quality is more reliable, the weight is lighter, and the cost is lower. The positioning of the accessories connected to the tube beam 2 is more convenient and reliable, which reduces the cost and lightweight of the vehicle bracket and the accessory bracket 3.

[0054] In other embodiments, the fender bracket is composed of a vehicle bracket and an accessory bracket 3, the base 1 of the vehicle bracket is formed by stamping, and the pipe beam 2 is a square tube structure, and the length and width of the square tube are optimized according to the working conditions and stress;

[0055] In the present application, the shape of the tube beam 2 can be changed as needed to make the force more uniform and optimized.

[0056] In this embodiment, the first mounting hole 33 is located near the top and bottom of the upper bracket 31, and the second mounting hole 34 is located near the top and bottom of the lower bracket 32;

[0057] In the present application, the accessory bracket 3 can be installed on the vehicle bracket, and the clamping force between the upper bracket member 31 and the lower bracket member 32 can be increased by optimizing the structure and tightening process thereof.

[0058] In this embodiment, a mounting member is disposed inside the first mounting hole 33, and the mounting member is disposed between the upper bracket member 31 and the lower bracket member 32;

[0059] In the present application, the upper bracket member 31 and the lower bracket member 32 can be fixed, so that the upper bracket member 31 and the lower bracket member 32 are firmly arranged on the pipe beam 2 to prevent them from falling off.

[0060] In this embodiment, the upper bracket member 31 and the lower bracket member 32 are both arc-shaped at the positions where they fit with the vehicle bracket;

[0061] In the present application, the upper bracket member 31 and the lower bracket member 32 are stamped and formed, and can fit tightly with the pipe beam 2 at the position where they fit, and the accessory bracket 3 is optimized in design. The upper bracket member 31 and the lower bracket member 32 of the accessory bracket 3 are at a certain angle, and have a self-positioning function during installation.

[0062] In this embodiment, a flexible portion is provided at a position where the vehicle bracket is in contact with the upper bracket member 31 and the lower bracket member 32, and the flexible portion includes rubber;

[0063] In the present application, a rubber transition is used between the pipe beam 2 and the bracket to reduce the overall bracket amplitude and improve the reliability of the accessory bracket 3.

[0064] In this embodiment, the vehicle support includes a base 1 and a tube beam 2, one side of the tube beam 2 is welded to the base 1, and the outer surface of the tube beam 2 is in contact with the upper support member 31 and the lower support member 32;

[0065] In the present application, the welding part of the base 1 and the part of the tube beam 2 are welded with unequal thickness. The outer contour of the base 1 is 0-1 mm smaller than the outer contour of the tube beam 2, and the wall thickness of the base 1 is 0-2 mm greater than the wall thickness of the tube beam 2. By welding, the strength of the weld can be ensured, and the force at the weld can be optimized, so that the force at the weld is reduced by 1 / 4.

[0066] And welding of unequal thickness will cause fusion line deviation. The welding extension length of the pipe beam 2 and the base 1 during welding can be adjusted to make the welding quality of unequal wall thickness consistent. The extension length of the base 1 and the pipe beam 2 is inversely proportional to the cross-sectional area of ​​the base 1 and the pipe beam 2. In this application, the ratio of the extension length of the pipe beam 2 and the base 1 is 2 to 3.

[0067] In this embodiment, the middle parts of the base 1 and the pipe beam 2 are both vacuum-shaped, and the base 1 is trumpet-shaped as a whole;

[0068] In the present application, the base 1 can be easily welded with the tube beam 2, making the tube beam 2 and the base 1 more stable, and the other side of the base 1 welded with the tube beam 2 is square, which can increase the force-bearing area during the connection between the base 1 and the frame, making the whole more stable.

[0069] In this embodiment, threaded holes are provided at the four corners of one side of the base 1;

[0070] In the present application, bolts can be used to mount the base 1 on the vehicle frame through threaded holes, so that the vehicle bracket and the accessory bracket 3 can be connected to the vehicle frame and the fender bracket respectively.

[0071] The present invention also proposes a method for manufacturing a fender bracket. In this embodiment, the fender bracket is composed of a base 1, a pipe beam 2 and an accessory bracket 3, wherein the base 1 and the pipe beam 2 are connected by welding, the pipe beam 2 and the accessory bracket 3 are fastened, the pipe beam 2 is a special-shaped steel pipe, the base 1 and the accessory bracket 3 are stamping parts, the base 1 is a hollow stamping part with an opening, a threaded hole at the bottom, the welding end is an ellipse that is the same as the pipe beam 2, and the welding end and the bottom of the base 1 are rounded transitions, the pipe beam 2 is an elliptical special-shaped steel pipe with uniform wall thickness, and the cross-section is The surface has obvious major and minor axes. The tube beam 2 and the base 1 are flash butt welded. Through process optimization, the clamping position and clamping method of the base 1 and the tube beam 2 are optimized under the same parameters to ensure stable welding quality and high reliability. The surface of the tube beam 2 and the base 1 is scraped after welding, and the appearance quality is high. The accessory bracket 3 consists of an upper bracket member 31 and a lower bracket member 32. A first mounting hole 33 is provided between the upper bracket member 31 and the lower bracket member 32, and is fixed to the tube beam 2 by fastening. The lower bracket member 32 also has a second mounting hole 34 connected to the fender bracket.

[0072] The lightweight (elliptical tube beam 2 mudguard bracket force is more consistent with the actual, saving raw materials, the base 1 process is simple, the parts are lighter and more reliable), widely applicable and easy to manufacture mudguard bracket provided in this application is composed of a tube beam 2, a base 1 and a bracket:

[0073] In this application, the new fender bracket is optimized and designed to better meet the actual stress conditions of commercial vehicles during driving. Compared with the traditional fender bracket, it is more than 30% lighter and has higher reliability and economy.

[0074] In the present application, the tube beam 2 is a special-shaped structure, which has better optimized stiffness and bending moment in the force direction, and improves the reliability of the parts;

[0075] In the present application, the special-shaped structural pipe beam 2 has a self-positioning function when the accessory bracket 3 is installed or installed with the fender, which facilitates installation and positioning;

[0076] In the present application, the base 1 is formed by stamping, which has a simple process and is light in weight, and is more than 40% lighter than the forged base 1;

[0077] In the present application, flash butt welding (flash butt welding is a type of pressure welding, there is no melting of the parent metal in the welding center, the weld quality reliability and consistency are high, the cost is low, and the welding of non-uniform wall thickness of special-shaped end faces can be achieved. It can be used in other products, and the fender bracket pipe beam 2 is optimized according to the actual force) is a type of pressure welding, with a simple process and stable and reliable welding quality;

[0078] In the present application, the welding part of the base 1 and the part of the tube beam 2 are welded with unequal thickness. The outer contour of the base 1 is 0-1 mm smaller than the outer contour of the tube beam 2, and the wall thickness of the base 1 is 0-2 mm greater than the wall thickness of the tube beam 2. By welding, the strength of the weld can be ensured, and the force at the weld can be optimized, so that the force at the weld is reduced by 1 / 4.

[0079] In this application, optimized welding process parameters are used to improve the reliability and consistency of the weld;

[0080] In this application, unequal thickness welding will cause fusion line deviation. The welding extension length of the pipe beam 2 and the base 1 during welding is adjusted to make the welding quality of unequal wall thickness consistent. The extension length of the base 1 and the pipe beam 2 is inversely proportional to the cross-sectional area of ​​the base 1 and the pipe beam 2. In this solution, the ratio of the extension length of the pipe beam 2 to the base 1 is 2 to 3.

[0081] In the present application, the connection between the pipe beam 2 and the accessory bracket 3 is a fastened connection, which increases the reliability of the pipe beam 2 and the bracket;

[0082] In this application, a rubber transition is used between the pipe beam 2 and the bracket to reduce the bracket amplitude and improve the reliability of the attachment;

[0083] In the present application, the accessory bracket 3 is optimized in design, and the upper and lower bracket members 32 of the accessory bracket 3 are at a certain angle, so that it has a self-positioning function during installation. At the same time, the clamping force between the connecting parts is increased by optimizing the structure and tightening process.

[0084] In this embodiment, it includes: a vehicle bracket; an accessory bracket 3, the accessory bracket 3 is arranged in the vehicle bracket, and the accessory bracket 3 includes: an upper bracket member 31, which is arranged on one side of the vehicle bracket and is attached to the vehicle bracket; a lower bracket member 32, which is arranged on the other side of the vehicle bracket and is attached to the upper bracket member 31, and the upper bracket member 31 and the lower bracket member 32 are both provided with a first mounting hole 33 at the attachment point, and the lower bracket member 32 is provided with a second mounting hole 34 at one side;

[0085] In the present application, the base 1 is stamped, with a threaded hole at the bottom, the tube beam 2 is an elliptical structure, and the cross section has a distinct major axis a and a minor axis b, and the size of the major axis and the minor axis are optimized according to the working conditions and stress, and the accessory bracket 3 is a stamped part, which is divided into an upper bracket part 31 and a lower bracket part 32, wherein the upper bracket part 31 and the lower bracket part 32 have a first fastening mounting hole 33 for connecting with the tube beam 2, and the lower bracket part 32 also has a second mounting hole 34 for connecting with the fender;

[0086] The tube beam 2 is a special-shaped structure, which can be optimized according to the actual stress conditions of the commercial vehicle, and is more than 30% lighter than the traditional structure;

[0087] The overall bracket design and actual force are more optimized so that the actual force of the fender is more matched with the parts, and the reliability welding problem of the special-shaped end faces and non-equal wall thickness between the base 1 and the tube beam 2 is solved. At present, the round tube beam 2 uses (friction welding, fusion welding), which is better welded and realizes high-reliability consistency welding of special-shaped end faces with non-equal wall thickness. The existing base 1 is a forging and is relatively bulky, which solves the problem of the heavy weight of the base 1. The overall bracket quality is more reliable, the weight is lighter, and the cost is lower. The positioning of the accessories connected to the tube beam 2 is more convenient and reliable, which reduces the cost and lightweight of the vehicle bracket and the accessory bracket 3.

[0088] In other embodiments, the fender bracket is composed of a vehicle bracket and an accessory bracket 3, the base 1 of the vehicle bracket is formed by stamping, and the pipe beam 2 is a square tube structure, and the length and width of the square tube are optimized according to the working conditions and stress;

[0089] In the present application, the shape of the tube beam 2 can be changed as needed to make the force more uniform and optimized.

[0090] In this embodiment, the first mounting hole 33 is located near the top and bottom of the upper bracket 31, and the second mounting hole 34 is located near the top and bottom of the lower bracket 32;

[0091] In the present application, the accessory bracket 3 can be installed on the vehicle bracket, and the clamping force between the upper bracket member 31 and the lower bracket member 32 can be increased by optimizing the structure and tightening process thereof.

[0092] In this embodiment, a mounting member is disposed inside the first mounting hole 33, and the mounting member is disposed between the upper bracket member 31 and the lower bracket member 32;

[0093] In the present application, the upper bracket member 31 and the lower bracket member 32 can be fixed, so that the upper bracket member 31 and the lower bracket member 32 are firmly arranged on the pipe beam 2 to prevent them from falling off.

[0094] In this embodiment, the upper bracket member 31 and the lower bracket member 32 are both arc-shaped at the positions where they fit with the vehicle bracket;

[0095] In the present application, the upper bracket member 31 and the lower bracket member 32 are stamped and formed, and can fit tightly with the pipe beam 2 at the position where they fit, and the accessory bracket 3 is optimized in design. The upper bracket member 31 and the lower bracket member 32 of the accessory bracket 3 are at a certain angle, and have a self-positioning function during installation.

[0096] In this embodiment, a flexible portion is provided at a position where the vehicle bracket is in contact with the upper bracket member 31 and the lower bracket member 32, and the flexible portion includes rubber;

[0097] In the present application, a rubber transition is used between the pipe beam 2 and the bracket to reduce the overall bracket amplitude and improve the reliability of the accessory bracket 3.

[0098] In this embodiment, the vehicle support includes a base 1 and a tube beam 2, one side of the tube beam 2 is welded to the base 1, and the outer surface of the tube beam 2 is in contact with the upper support member 31 and the lower support member 32;

[0099] In the present application, the welding part of the base 1 and the part of the tube beam 2 are welded with unequal thickness. The outer contour of the base 1 is 0-1 mm smaller than the outer contour of the tube beam 2, and the wall thickness of the base 1 is 0-2 mm greater than the wall thickness of the tube beam 2. By welding, the strength of the weld can be ensured, and the force at the weld can be optimized, so that the force at the weld is reduced by 1 / 4.

[0100] And welding of unequal thickness will cause fusion line deviation. The welding extension length of the pipe beam 2 and the base 1 during welding can be adjusted to make the welding quality of unequal wall thickness consistent. The extension length of the base 1 and the pipe beam 2 is inversely proportional to the cross-sectional area of ​​the base 1 and the pipe beam 2. In this application, the ratio of the extension length of the pipe beam 2 and the base 1 is 2 to 3.

[0101] In this embodiment, the middle parts of the base 1 and the pipe beam 2 are both vacuum-shaped, and the base 1 is trumpet-shaped as a whole;

[0102] In the present application, the base 1 can be easily welded with the tube beam 2, making the tube beam 2 and the base 1 more stable, and the other side of the base 1 welded with the tube beam 2 is square, which can increase the force-bearing area during the connection between the base 1 and the frame, making the whole more stable.

[0103] In this embodiment, threaded holes are provided at the four corners of one side of the base 1;

[0104] In the present application, bolts can be used to mount the base 1 on the vehicle frame through threaded holes, so that the vehicle bracket and the accessory bracket 3 can be connected to the vehicle frame and the fender bracket respectively.

[0105] The specific steps include:

[0106] Install the accessory bracket 3 on the vehicle bracket;

[0107] Welding the pipe beam 2 to the base 1 to form a vehicle support;

[0108] Install the upper bracket member 31 and the lower bracket member 32 of the accessory bracket 3 on the pipe beam 2;

[0109] A first mounting hole 33 is formed at the joint between the upper bracket 31 and the lower bracket 32;

[0110] Install the mounting member in the first mounting hole 33;

[0111] The second mounting hole 34 is formed on the lower bracket 32 ​​.

[0112] In this embodiment, the following steps are also included:

[0113] The base 1 and the accessory bracket 3 are punched out;

[0114] Treat the surface of the accessory bracket 3;

[0115] The pipe beam 2 is welded and installed on the base 1, and the welding slag on the surface of the pipe beam 2 is cleaned;

[0116] Performing quality inspection and processing on the surfaces of the base 1 and the pipe beam 2;

[0117] The accessory bracket 3 is mounted on the pipe beam 2 , and the mounting piece is mounted in the first mounting hole 33 of the accessory bracket 3 .

[0118] When using the present invention, first, prefabricate the base 1 and the accessory bracket 3, and make the base 1 and the accessory bracket 3 stamped, weld the tube beam 2 to one side of the welding end of the base 1, so that the base 1 and the tube beam 2 form a vehicle bracket, and set the upper bracket member 31 and the lower bracket member 32 of the accessory bracket 3 on the outer surface of the tube beam 2, and the upper bracket member 31 and the lower bracket member 32 are tightly fitted with the surface of the tube beam 2, and then use the mounting member to install the mounting member inside the first mounting hole 33, fix the upper bracket member 31 and the lower bracket member 32, and the threaded hole of the base 1 can be connected to the frame by bolts, and the second mounting hole 34 on the lower bracket member 32 can be connected to the fender bracket through the mounting member.

[0119] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0120] It should be noted that, in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0121] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A fender bracket, characterized in that: include: Vehicle brackets; An accessory bracket (3), the accessory bracket (3) being arranged in the vehicle bracket, the accessory bracket (3) comprising: An upper bracket member (31) is arranged on one side of the vehicle bracket and is in contact with the vehicle bracket; A lower bracket component (32) is arranged on the other side of the vehicle bracket and is fitted with the upper bracket component (31); a first mounting hole (33) is provided at the fitting position of the upper bracket component (31) and the lower bracket component (32); and a second mounting hole (34) is provided on one side of the lower bracket component (32); The vehicle support comprises a base (1) and a tube beam (2), one side of the tube beam (2) is welded to the base (1), and the outer surface of the tube beam (2) is in contact with an upper support member (31) and a lower support member (32); The welding parts of the base (1) and the welding parts of the tube beam (2) are welded with unequal thickness, the outer contour of the base (1) is 0 to 1 mm smaller than the outer contour of the tube beam (2), and the wall thickness of the base (1) is 0 to 2 mm greater than the wall thickness of the tube beam (2); The base (1) and the tube beam (2) are pressure welded, and the welded extension length of the base (1) and the tube beam (2) is inversely proportional to the cross-sectional area of ​​the base (1) and the tube beam (2).

2. A fender bracket according to claim 1, characterized in that: The first mounting hole (33) is located near the top and bottom of the upper bracket (31), and the second mounting hole (34) is located near the top and bottom of the lower bracket (32).

3. A fender bracket as claimed in claim 1, characterized in that: A mounting member is arranged inside the first mounting hole (33), and the mounting member is arranged between the upper bracket member (31) and the lower bracket member (32).

4. A fender bracket as claimed in claim 1, characterized in that: The positions where the upper bracket component (31) and the lower bracket component (32) fit with the vehicle bracket are both arc-shaped.

5. A fender bracket as claimed in claim 1, characterized in that: A flexible portion is provided at a position where the vehicle bracket is in contact with the upper bracket component (31) and the lower bracket component (32), and the flexible portion comprises rubber.

6. A fender bracket as claimed in claim 1, characterized in that: The middle parts of the base (1) and the tube beam (2) are both in a vacuum state, and the base (1) is in a trumpet shape as a whole.

7. A fender bracket as claimed in claim 1, characterized in that: Threaded holes are provided at four corners of one side of the base (1).

8. A method for manufacturing a fender bracket, characterized in that: The fender bracket according to any one of claims 1 to 7 further comprises the following steps: Install the accessory bracket (3) on the vehicle bracket; Welding the pipe beam (2) onto the base (1) to form a vehicle support; Installing an upper bracket member (31) and a lower bracket member (32) of an accessory bracket (3) on the pipe beam (2); A first mounting hole (33) is formed at the joint between the upper bracket component (31) and the lower bracket component (32); Installing the mounting member in the first mounting hole (33); A second mounting hole (34) is formed on the lower bracket (32).

9. A method for manufacturing a fender bracket according to claim 8, characterized in that: The following steps are also included: The base (1) and the accessory bracket (3) are punched out; Treating the surface of the accessory bracket (3); The pipe beam (2) is welded and installed on the base (1), and the welding slag on the surface of the pipe beam (2) is cleaned; Performing quality inspection and processing on the surfaces of the base (1) and the pipe beam (2); The accessory bracket (3) is mounted on the pipe beam (2), and the mounting piece is mounted in the first mounting hole (33) of the accessory bracket (3).

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