Auxiliary frame mounting support structure, front auxiliary frame assembly and automobile

Abstract

The utility model provides an auxiliary frame installation support structure, a front auxiliary frame assembly and an automobile, and relates to the technical field of automobiles, the auxiliary frame installation support structure comprises a box-shaped body, the box-shaped body is of an axial symmetry structure which is symmetrical along the vertical center line, two connecting lugs are symmetrically arranged on the two sides of the top of the box-shaped body, and each connecting lug is provided with a first installation hole; the first mounting hole is used for being connected with a longitudinal beam of an automobile, and a second mounting hole is formed in the bottom of the box-shaped body and used for being connected with an auxiliary frame of the automobile; the problems that in the prior art, an auxiliary frame installation support is tedious in welding, auxiliary frame installation supports connected to a left front longitudinal beam and a right front longitudinal beam respectively cannot be exchanged, and the machining cost is high are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and more specifically relates to a sub-frame mounting bracket structure, a front sub-frame assembly and an automobile. Background Art

[0002] Automobile collision safety is one of the important indicators to measure vehicle performance, but it will also bring about corresponding cost increases. In recent years, with the increase in automobile products, various OEMs have also been competing fiercely with each other. Satisfying different consumers from the perspective of safety and cost, and providing consumers with collision level configurations to choose from have become a development direction. For example, the collision performance of a car can be set to a level for consumers with different needs to choose from. For groups that often drive on highways, you can choose a model with a high collision level. This model needs to install a subframe mounting bracket to install the subframe on the longitudinal beam, and a subframe crossbeam can be installed on the subframe, so that the subframe and subframe crossbeam participate in energy absorption and improve the collision level. Of course, the cost also increases accordingly; for groups that often drive in urban areas, you can consider choosing a model with a low collision level. This model does not need to install a subframe. The subframe needs to be connected to the longitudinal beam during installation, which is low-cost and fuel-efficient. Then, whether to set up a subframe mounting bracket has become an optional automobile configuration.

[0003] A subframe mounting bracket in the prior art includes an end plate, a subframe mounting inner plate and a subframe mounting outer plate, which need to be welded to form a subassembly first, and then welded to a front longitudinal beam formed by welding a front longitudinal beam inner plate and a front longitudinal beam outer plate; such a subframe mounting bracket is not only cumbersome to weld, but also the subframe mounting brackets respectively connected to the left and right front longitudinal beams are not interchangeable, and the processing cost is high. Utility Model Content

[0004] The purpose of the utility model is to provide a subframe mounting bracket structure, a front subframe assembly and a car in view of the deficiencies in the prior art, so as to solve the problems in the prior art that the subframe mounting bracket welding is cumbersome, the subframe mounting brackets respectively connected to the left and right front longitudinal beams are not interchangeable, and the processing cost is high.

[0005] In order to achieve the above object, the utility model provides a subframe mounting bracket structure, comprising:

[0006] A box-shaped body, wherein the box-shaped body is an axisymmetric structure symmetrical along the vertical center line, two connecting ears are symmetrically arranged on both sides of the top of the box-shaped body, each of the connecting ears is provided with a first mounting hole, and the first mounting hole is used to connect to the longitudinal beam of the automobile, and a second mounting hole is provided at the bottom of the box-shaped body, and the second mounting hole is used to connect to the subframe of the automobile.

[0007] Optionally, the box-shaped body includes a first facade portion, two second facade portions and a bottom portion, the two second facade portions are symmetrically arranged on both sides of the first facade portion and are integrally connected to the first facade portion, and the bottom portion is integrally connected to the lower end of the first facade portion and is welded to the lower ends of the two second facade portions.

[0008] Optionally, the two connecting ears are respectively and integrally connected to the upper ends of the two second vertical portions.

[0009] Optionally, weight-reducing holes are provided on the box-shaped body.

[0010] Optionally, the weight-reducing holes include a first weight-reducing hole provided on the first facade surface and a second weight-reducing hole provided on the second facade surface.

[0011] Optionally, a limiting plate is provided in the middle of the upper end of the first vertical portion, and the limiting plate is used to fit against the side surface of the longitudinal beam when the box-shaped body is installed on the lower side of the longitudinal beam.

[0012] Optionally, the box-shaped body is a cone with a small lower end and a large upper end.

[0013] Optionally, an anti-corrosion layer is provided on the surface of the sub-frame mounting bracket structure.

[0014] The utility model also provides a front subframe assembly, comprising:

[0015] Two of the above-mentioned sub-frame mounting bracket structures, the two sub-frame mounting bracket structures are respectively connected to the two longitudinal beams through their respective first mounting holes;

[0016] A front sub-frame, detachably connected to the second mounting holes of the two sub-frame mounting bracket structures;

[0017] A front crossbeam is connected to the front subframe.

[0018] The utility model also provides a car, comprising the above-mentioned front auxiliary frame assembly.

[0019] The utility model provides a sub-frame mounting bracket structure, a front sub-frame assembly and a car, and has the beneficial effects that: the sub-frame mounting bracket structure adopts a box-shaped body, and the box-shaped body is an axisymmetric structure symmetrical along the vertical center line, so that the box-shaped body can be commonly used on two longitudinal beams on the left and right sides, reducing the investment in development and processing costs, and at the same time, the sub-frame mounting bracket structure can be screwed with the longitudinal beam of the car through two connecting ears and first mounting holes thereon, so that installation and disassembly are convenient, and the structure can be conveniently and selectively installed for car models with different collision levels.

[0020] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0022] Figure 1 The figure shows an exploded structural schematic diagram of a sub-frame mounting bracket in the prior art.

[0023] Figure 2 The overall structural schematic diagram of a sub-frame mounting bracket in the prior art is shown.

[0024] Figure 3 A schematic diagram of a sub-frame mounting bracket structure according to an embodiment of the utility model is shown.

[0025] Figure 4 A schematic diagram of a front subframe assembly according to an embodiment of the utility model is shown.

[0026] Description of reference numerals:

[0027] exist Figure 1 and Figure 2 middle:

[0028] 101, end plate; 102, subframe mounting inner plate; 103, subframe mounting outer plate; 104, front longitudinal beam inner plate; 105, front longitudinal beam outer plate;

[0029] exist Figure 3 and Figure 4 middle:

[0030] 1. Connecting ear; 2. First mounting hole; 3. Second mounting hole; 4. First vertical portion; 5. Second vertical portion; 6. Bottom portion; 7. First weight-reducing hole; 8. Second weight-reducing hole; 9. Limiting plate; 10. Front subframe; 11. Front crossbeam; 12. Longitudinal beam. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0032] like Figure 1 and Figure 2As shown, a sub-frame mounting bracket in the prior art includes an end plate 101, a sub-frame mounting inner plate 102 and a sub-frame mounting outer plate 103, which need to be welded to form a sub-assembly first, and then welded to a front longitudinal beam formed by welding a front longitudinal beam inner plate 104 and a front longitudinal beam outer plate 105; such a sub-frame mounting bracket is not only complicated to weld, but also the sub-frame mounting brackets respectively connected to the left and right front longitudinal beams are not interchangeable, and the processing cost is high.

[0033] like Figure 3 As shown, the utility model provides a sub-frame mounting bracket structure, comprising:

[0034] The box-shaped body is an axisymmetric structure symmetrical along the vertical center line. Two connecting ears 1 are symmetrically arranged on both sides of the top of the box-shaped body. Each connecting ear 1 is provided with a first mounting hole 2, and the first mounting hole 2 is used to connect with the longitudinal beam 12 of the automobile. The bottom of the box-shaped body is provided with a second mounting hole 3, and the second mounting hole 3 is used to connect to the subframe of the automobile.

[0035] Specifically, in order to solve the problems in the prior art that the welding of the sub-frame mounting bracket is complicated, the sub-frame mounting brackets respectively connected to the left and right front longitudinal beams 12 are not interchangeable, and the processing cost is high; the sub-frame mounting bracket structure provided by the utility model adopts a box-shaped body, and the box-shaped body is an axisymmetric structure symmetrical along the vertical center line, so that the box-shaped body can be used universally on the two longitudinal beams 12 on the left and right sides, reducing the investment in development and processing costs. At the same time, the sub-frame mounting bracket structure can be screwed to the longitudinal beam 12 of the automobile through two connecting ears 1 and the first mounting holes 2 thereon, which is convenient for installation and disassembly, and the structure can be conveniently and selectively installed for vehicles with different collision levels.

[0036] Optionally, the box-shaped body includes a first facade portion 4, two second facade portions 5 and a bottom portion 6, the two second facade portions 5 are symmetrically arranged on both sides of the first facade portion 4 and are integrally connected to the first facade portion 4, and the bottom portion 6 is integrally connected to the lower end of the first facade portion 4 and is welded to the lower ends of the two second facade portions 5.

[0037] Specifically, the two second vertical portions 5 of the box-shaped body are bent to form an angle with the first vertical portion 4, and the bottom portion 6 is also bent to form an angle with the first vertical portion 4, and they are welded to form a box shape with open side surfaces and top surfaces, thereby ensuring the overall strength of the sub-frame mounting bracket structure while reducing processing difficulty and cost.

[0038] Optionally, the two connecting ears 1 are respectively and integrally connected to the upper ends of the two second facade portions 5 .

[0039] Specifically, the two connecting ears 1 are bent with the two second vertical portions 5 to form an angle. During installation, the two connecting ears 1 are attached to the lower surface of the longitudinal beam 12 and are screwed to the longitudinal beam 12 through the first installation holes 2 .

[0040] Optionally, weight-reducing holes are provided on the box-shaped body.

[0041] Specifically, the provision of the weight-reducing holes can reduce the weight of the subframe mounting bracket structure, which is beneficial to the lightweighting of the automobile.

[0042] Optionally, the weight-reducing holes include a first weight-reducing hole 7 provided on the first facade portion 4 and a second weight-reducing hole 8 provided on the second facade portion 5 .

[0043] Specifically, the first weight-reducing hole 7 and the second weight-reducing hole 8 can both be formed by stamping.

[0044] Optionally, a limiting plate 9 is provided in the middle of the upper end of the first facade portion 4 , and the limiting plate 9 is used to fit on the side of the longitudinal beam 12 when the box-shaped body is installed on the lower side of the longitudinal beam 12 .

[0045] Specifically, the limit plate 9 is also an axisymmetric structure symmetrical about the vertical center line of the box-shaped body. When the box-shaped body is installed on the lower side of the longitudinal beam 12, the limit plate 9 is attached to the side surfaces of the two longitudinal beams 12 that are close to each other, playing a role of further limiting and fixing, thereby improving the stability of the installation of the subframe mounting bracket structure.

[0046] Optionally, the box-shaped body is in a cone shape with a small lower end and a large upper end.

[0047] Specifically, the first facade portion 4 and the second facade portion 5 are both inverted trapezoidal shapes, so that the box-shaped body forms a cone with a small lower end and a large upper end, thereby improving the stability of the connection between the subframe and the longitudinal beam 12.

[0048] Optionally, the surface of the sub-frame mounting bracket structure is provided with an anti-corrosion layer.

[0049] Specifically, an electrophoretic black paint anti-corrosion treatment may be used to form an anti-corrosion layer on the surface of the sub-frame mounting bracket structure.

[0050] like Figure 4 As shown, the utility model also provides a front subframe assembly, comprising:

[0051] Two of the above-mentioned sub-frame mounting bracket structures, the two sub-frame mounting bracket structures are respectively connected to the two longitudinal beams 12 through their respective first mounting holes 2;

[0052] The front sub-frame 10 is detachably connected to the second mounting holes 3 of the two sub-frame mounting bracket structures;

[0053] The front cross beam 11 is connected to the front subframe 10 .

[0054] Specifically, in order to improve the collision level of the automobile, two of the above-mentioned subframe mounting bracket structures can be installed on the lower sides of the two longitudinal beams 12, the front subframe 10 is connected to the front end of the longitudinal beam 12 through the subframe mounting bracket structure, and the front cross beam 11 is installed to participate in collision energy absorption.

[0055] The utility model also provides a car, comprising the above-mentioned front auxiliary frame assembly.

[0056] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A sub-frame mounting bracket structure, characterized in that: include: A box-shaped body, wherein the box-shaped body is an axisymmetric structure symmetrical along the vertical center line, two connecting ears are symmetrically arranged on both sides of the top of the box-shaped body, each of the connecting ears is provided with a first mounting hole, and the first mounting hole is used to connect to the longitudinal beam of the automobile, and a second mounting hole is provided at the bottom of the box-shaped body, and the second mounting hole is used to connect to the subframe of the automobile.

2. The subframe mounting bracket structure according to claim 1, characterized in that: The box-shaped body includes a first facade portion, two second facade portions and a bottom portion, the two second facade portions are symmetrically arranged on both sides of the first facade portion and are integrally connected to the first facade portion, and the bottom portion is integrally connected to the lower end of the first facade portion and is welded to the lower ends of the two second facade portions.

3. The sub-frame mounting bracket structure according to claim 2, characterized in that: The two connecting ears are respectively and integrally connected to the upper ends of the two second vertical portions.

4. The sub-frame mounting bracket structure according to claim 2, characterized in that: The box-shaped body is provided with weight-reducing holes.

5. The sub-frame mounting bracket structure according to claim 4, characterized in that: The weight-reducing holes include a first weight-reducing hole provided on the first facade portion and a second weight-reducing hole provided on the second facade portion.

6. The sub-frame mounting bracket structure according to claim 2, characterized in that: A limiting plate is provided in the middle of the upper end of the first vertical portion, and the limiting plate is used to fit on the side surface of the longitudinal beam when the box-shaped body is installed on the lower side of the longitudinal beam.

7. The sub-frame mounting bracket structure according to claim 1, characterized in that: The box-shaped body is in a cone shape with a small lower end and a large upper end.

8. The sub-frame mounting bracket structure according to claim 1, characterized in that: The surface of the sub-frame mounting bracket structure is provided with an anti-corrosion layer.

9. A front subframe assembly, characterized in that: include: Two sub-frame mounting bracket structures according to any one of claims 1 to 8, wherein the two sub-frame mounting bracket structures are respectively connected to the two longitudinal beams through respective first mounting holes; A front sub-frame, detachably connected to the second mounting holes of the two sub-frame mounting bracket structures; A front crossbeam is connected to the front subframe.

10. An automobile, characterized in that: Comprising a front subframe assembly according to claim 9.

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