Headlamp mounting and positioning structure and method of automobile front face system, automobile front face system and automobile

Abstract

The invention relates to the technical field of automobile assembly, in particular to a headlamp mounting and positioning structure and method of an automobile front face system, the automobile front face system and an automobile. The headlamp mounting and positioning structure of the automobile front face system comprises a headlamp body, a headlamp mounting support, a first mounting and positioning part, a second mounting and positioning part, a third mounting and positioning part and a fourth mounting and positioning part, wherein the first mounting and positioning part, the second mounting and positioning part, the third mounting and positioning part and the fourth mounting and positioning part are arranged on the headlamp body. By redesigning a headlamp mounting and positioning structure, the headlamp body can be mounted and fixed without positioning through an existing long cantilever, a positioning hole and a fender, and a long cantilever structure of the headlamp is avoided.

Description

Technical Field

[0001] This invention relates to the field of automotive assembly technology, and in particular to a headlight mounting and positioning structure, mounting and positioning method, automotive front-end system, and automotive. Background Technology

[0002] With the continuous improvement of people's living standards in my country, automobiles have become an indispensable part of people's lives. The rapid development of the automotive market has led consumers to pay increasing attention to the refinement of the entire vehicle. The quality of a car's exterior directly impacts their perception of its appearance. As the most important part of the exterior, the coordination between the headlights and surrounding components is particularly crucial; they are the core of the front-end matching. To reduce the later matching cycle and difficulty, and to minimize the cost of subsequent design changes, it is necessary to utilize dimensional engineering principles and design precise positioning to ensure the final overall vehicle quality target.

[0003] Car headlights typically have four mounting points on the vehicle body: the fender, the headlight crossbeam, and the headlight crossbeam mounting bracket. Two of these mounting points are on the fender. However, the distance from the headlight locating pin to the fender's locating hole at one of these points is usually over 100mm due to the vehicle's design, and on some models, it exceeds 150mm, resulting in an excessively long overhang between the headlight and the fender mounting point.

[0004] In previous vehicle designs, the mounting point was a relatively long cantilever design exceeding 100mm. This resulted in insufficient rigidity of the cantilever connecting the headlight and the fender. Since the headlight cantilever is a plastic component, it is prone to deformation when subjected to large loads over a long period of time. This leads to instability in the headlight mode and affects the stability of the headlight positioning. In severe cases, the headlight sags and interferes with the front bumper, causing paint damage and resulting in batch quality problems. This directly leads to a decrease in customer satisfaction and an increase in repair and after-sales costs. Summary of the Invention

[0005] The purpose of this invention is to provide a headlight mounting and positioning structure, mounting and positioning method, a front-end system, and a car, to solve the technical problem of excessively long cantilever connecting the headlight and the fender in the prior art.

[0006] In a first aspect, the present invention provides a headlight mounting and positioning structure for a car front-end system, comprising: a headlight body, a headlight mounting bracket, a first mounting and positioning part, a second mounting and positioning part, a third mounting and positioning part, and a fourth mounting and positioning part disposed on the headlight body, wherein the car front-end system includes a fender, a front longitudinal beam end plate, a headlight crossbeam, and a headlight crossbeam bracket, and a U-shaped groove is provided on the fender, and the headlight mounting bracket is disposed on the front longitudinal beam end plate; The headlight body can be installed and positioned on the fender via the first mounting and positioning part and the U-shaped groove, installed and positioned on the headlight crossbeam bracket via the second mounting and positioning part and the headlight crossbeam bracket, installed and positioned on the headlight mounting bracket via the third mounting and positioning part and the headlight mounting bracket, and installed and positioned on the headlight crossbeam via the fourth mounting and positioning part and the headlight crossbeam bracket.

[0007] In an optional embodiment, the first mounting and positioning part includes a first positioning pin and a headlight clip; The first positioning pin is used to cooperate with the U-shaped groove for positioning and to restrict the Z-axis degree of freedom of the headlight body; The headlight clip is used to connect with the fender and restrict the Y-axis degree of freedom of the headlight body.

[0008] In an optional embodiment, the second mounting and positioning part includes a headlight beam support cantilever, and the headlight beam support cantilever is provided with a headlight beam support cantilever positioning hole. The cantilever positioning hole of the headlight crossbeam bracket is used to cooperate with the headlight crossbeam bracket for positioning and to restrict the Y-axis degree of freedom of the headlight body.

[0009] In an optional embodiment, the third mounting and positioning part includes a headlight mounting bracket cantilever, and the headlight mounting bracket cantilever is provided with a headlight mounting bracket cantilever positioning hole. The cantilever positioning hole of the headlight mounting bracket is used to cooperate with the headlight mounting bracket for positioning and to restrict the X-axis degree of freedom of the headlight body.

[0010] In an optional embodiment, the fourth mounting and positioning part includes a headlight crossbeam cantilever, and the headlight crossbeam cantilever is provided with a headlight crossbeam cantilever positioning hole. The cantilever positioning hole of the headlight beam is used to cooperate with the headlight beam for positioning and to restrict the Z-axis degree of freedom of the headlight body.

[0011] In an optional embodiment, the first mounting positioning part, the second mounting positioning part, and the third mounting positioning part are all located at the lower end of the headlight body and are all located on the outside of the headlight body. The fourth mounting and positioning part is located at the upper end of the headlight body and inside the headlight body. Along the lower outer edge of the headlight body, the third mounting and positioning part is located between the first mounting and positioning part and the second mounting and positioning part.

[0012] In an optional embodiment, the headlight body includes a white headlight cover, a black headlight edge, and a headlight housing; The first mounting positioning part, the second mounting positioning part, the third mounting positioning part and the fourth mounting positioning part are all disposed on the headlight housing.

[0013] Secondly, the present invention provides a method for mounting and positioning headlights in a vehicle front-end system, based on the headlight mounting and positioning structure of the vehicle front-end system described in any of the foregoing embodiments, comprising the following steps: The headlight body is sequentially mounted and positioned on the fender via the first mounting and positioning part and the U-shaped groove, mounted and positioned on the headlight crossbeam bracket via the second mounting and positioning part and the headlight crossbeam bracket, mounted and positioned on the headlight mounting bracket via the third mounting and positioning part and the headlight mounting bracket, and mounted and positioned on the headlight crossbeam via the fourth mounting and positioning part and the headlight crossbeam bracket.

[0014] Thirdly, the present invention provides a car front face system, which is assembled using the headlight mounting and positioning method of the car front face system described in claim 8.

[0015] Fourthly, the present invention provides an automobile, including the automobile front-end system described in the foregoing embodiments.

[0016] Compared with the prior art, the technical advantages of the headlight mounting and positioning structure, mounting and positioning method, automotive front-end system, and automotive provided by the present invention are as follows: The present invention provides a headlight mounting and positioning structure for a car front-end system, comprising: a headlight body, a headlight mounting bracket, a first mounting and positioning part, a second mounting and positioning part, a third mounting and positioning part, and a fourth mounting and positioning part disposed on the headlight body. The car front-end system includes a fender, a front longitudinal beam end plate, a headlight crossbeam, and a headlight crossbeam bracket, wherein a U-shaped groove is provided on the fender, and the headlight mounting bracket is disposed on the front longitudinal beam end plate; the headlight body can be mounted and positioned on the fender via the first mounting and positioning part and the U-shaped groove, mounted and positioned on the headlight crossbeam bracket via the second mounting and positioning part, mounted and positioned on the headlight mounting bracket via the third mounting and positioning part, and mounted and positioned on the headlight crossbeam via the fourth mounting and positioning part.

[0017] By redesigning the headlight mounting and positioning structure, the headlight body can be fixed to the fender without relying on the existing long cantilever and positioning holes, thus avoiding the need for a long cantilever structure. Compared to the previous method of tightening the long cantilever to the fender in the Z-direction, this headlight mounting and positioning structure enhances the positioning stability of the headlight body. It also minimizes the surface difference between the headlight body and the front bumper and fender, ensuring visual compliance and better meeting customer sensory quality requirements. This not only simplifies assembly but also effectively controls the surface difference between the headlight body and the front bumper and fender.

[0018] The headlight mounting and positioning method for a car front-end system provided by this invention is based on the headlight mounting and positioning structure of the aforementioned car front-end system. Therefore, the technical advantages and effects achieved include those achieved by the aforementioned headlight mounting and positioning structure of the aforementioned car front-end system, which will not be elaborated here.

[0019] The automotive front-end system provided by this invention is assembled using the aforementioned automotive front-end system headlight mounting and positioning method. Therefore, the technical advantages and effects achieved include those achieved by the aforementioned automotive front-end system headlight mounting and positioning method, which will not be elaborated here.

[0020] The automobile provided by this invention includes the aforementioned automobile front-end system. Therefore, the technical advantages and effects achieved therefrom include those achieved by the aforementioned automobile front-end system, which will not be elaborated here. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the headlight mounting and positioning structure provided in an embodiment of the present invention; Figure 2 A schematic diagram showing the positions of four mounting points of the headlights on the vehicle body, provided for an embodiment of the present invention; Figure 3 This is a schematic diagram of the headlight and fender assembly provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the headlight and headlight mounting bracket fitting together according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the headlight and headlight crossbeam bracket fitting together according to an embodiment of the present invention; Figure 6This is a schematic diagram of the headlight and headlight crossbeam assembly provided in an embodiment of the present invention.

[0023] Icons: 1-Headlight body; 2-Headlight mounting bracket; 3-Fender; 4-Headlight crossbeam; 5-Headlight crossbeam bracket; 6-U-shaped groove; 7-First locating pin; 8-Headlight clip; 9-Headlight crossbeam bracket cantilever; 10-Headlight crossbeam bracket cantilever positioning hole; 11-Headlight mounting bracket cantilever; 12-Headlight mounting bracket cantilever positioning hole; 13-Headlight crossbeam cantilever; 14-Headlight crossbeam cantilever positioning hole; 15-First screw; 16-Second screw; 17-Third screw; 18-Fourth screw; 19-Headlight white light-transmitting cover; 20-Headlight black edge; 21-Headlight housing. Detailed Implementation

[0024] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0028] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0029] The specific structure is as follows: Figures 1 to 6 As shown.

[0030] This embodiment provides a headlight mounting and positioning structure for a car front-end system, including: a headlight body 1, a headlight mounting bracket 2, and a first mounting and positioning part, a second mounting and positioning part, a third mounting and positioning part, and a fourth mounting and positioning part disposed on the headlight body 1. The car front-end system includes a fender 3, a front longitudinal beam end plate, a headlight crossbeam 4, and a headlight crossbeam bracket 5. A U-shaped groove 6 is provided on the fender 3, and the headlight mounting bracket 2 is disposed on the front longitudinal beam end plate. The headlight body 1 can be mounted and positioned on the fender 3 via the first mounting and positioning part and the U-shaped groove 6, mounted and positioned on the headlight crossbeam bracket 5 via the second mounting and positioning part, mounted and positioned on the headlight mounting bracket 2 via the third mounting and positioning part, and mounted and positioned on the headlight crossbeam 4 via the fourth mounting and positioning part.

[0031] In this embodiment, by redesigning the headlight mounting and positioning structure, the headlight body 1 is no longer fixed to the fender 3 using the existing long cantilever and positioning holes, thus avoiding the long cantilever structure of the headlight. Compared to the previous method of tightening the long cantilever to the fender 3, this headlight mounting and positioning structure enhances the positioning stability of the headlight body 1. It also reduces the surface difference between the headlight body 1 and the front bumper and fender 3, ensuring the visual requirements of the headlight are met and better satisfying the customer's sensory quality requirements. This not only simplifies and facilitates assembly but also effectively controls the surface difference between the two components.

[0032] In the optional technical solution of this embodiment, the first mounting and positioning part includes a first positioning pin 7 and a headlight clip 8; the first positioning pin 7 is used to cooperate with the U-shaped groove 6 for positioning and to restrict the Z-direction freedom of the headlight body 1; the headlight clip 8 is used to cooperate with the fender 3 for connection and to restrict the Y-direction freedom of the headlight body 1. The structure is simple, the mounting and positioning are stable, and it can restrict the Z-direction movement freedom of the headlight body 1.

[0033] In this preferred embodiment, the first positioning pin 7 has a U-shaped cross-section, which provides a more stable fit with the U-shaped groove 6. However, it is not limited to this; the first positioning pin 7 can also have other shapes, as long as they meet the requirements.

[0034] It should be noted that the first mounting and positioning part may also include only the first positioning pin 7, or it may include only the headlight clip 8.

[0035] In the optional technical solution of this embodiment, the second mounting and positioning part includes a headlight crossbeam bracket cantilever 9, and a headlight crossbeam bracket cantilever positioning hole 10 is provided on the headlight crossbeam bracket cantilever 9; the headlight crossbeam bracket cantilever positioning hole 10 is used to cooperate with the headlight crossbeam bracket 5 for positioning and to restrict the Y-direction freedom of the headlight body 1. The structure is simple, the installation and positioning are stable, and it can restrict the directional movement freedom of the headlight body 1.

[0036] In this embodiment, the second mounting and positioning part is not limited to this. It can also include the headlight beam support cantilever 9 and the second positioning pin disposed on the headlight beam support cantilever 9, which can also have the above-mentioned effects. It will not be described in detail here.

[0037] In the optional technical solution of this embodiment, the third mounting and positioning part includes a headlight mounting bracket cantilever 11, on which a headlight mounting bracket cantilever positioning hole 12 is provided; the headlight mounting bracket cantilever positioning hole 12 is used to cooperate with the headlight mounting bracket 2 for positioning and to restrict the X-direction degree of freedom of the headlight body 1. The structure is simple, the mounting and positioning are stable, and it can restrict the directional movement degree of freedom of the headlight body 1.

[0038] In this embodiment, the third mounting and positioning part is not limited to this. It can also include the headlight mounting bracket cantilever 11 and the third positioning pin disposed on the headlight mounting bracket cantilever 11, which can also have the above-mentioned effects. It will not be described in detail here.

[0039] In the optional technical solution of this embodiment, the fourth mounting and positioning part includes a headlight crossbeam cantilever 13, on which a headlight crossbeam cantilever positioning hole 14 is provided; the headlight crossbeam cantilever positioning hole 14 is used to cooperate with the headlight crossbeam 4 for positioning and to restrict the Z-axis degree of freedom of the headlight body 1. The structure is simple, the installation and positioning are stable, and it can restrict the directional movement degree of freedom of the headlight body 1.

[0040] In this embodiment, the fourth mounting and positioning part is not limited to this. It can also include the headlight crossbeam cantilever 13 and the fourth positioning pin disposed on the headlight crossbeam cantilever 13, which can also have the above-mentioned effects. It will not be described in detail here.

[0041] In the optional technical solution of this embodiment, the first mounting positioning part, the second mounting positioning part and the third mounting positioning part are all located at the lower end of the headlight body 1 and are all located on the outer side of the headlight body 1; the fourth mounting positioning part is located at the upper end of the headlight body 1 and is located on the inner side of the headlight body 1; along the lower outer edge of the headlight body 1, the third mounting positioning part is located between the first mounting positioning part and the second mounting positioning part.

[0042] In this embodiment, after spatially arranging the first mounting positioning part, the second mounting positioning part, the third mounting positioning part, and the fourth mounting positioning part, it is not only convenient to install but also highly stable. At the same time, by using simulation analysis software, it is found that the assembly deviation rate of the headlight body 1 and the various parts of the vehicle body is low.

[0043] In the optional technical solution of this embodiment, the headlight body 1 includes a white headlight cover 19, a black headlight edge 20, and a headlight housing 21; the first mounting positioning part, the second mounting positioning part, the third mounting positioning part, and the fourth mounting positioning part are all disposed on the headlight housing 21. The structure is simple and easy to install and manufacture.

[0044] This embodiment provides a method for mounting and positioning headlights in a car front-end system, including the aforementioned headlight mounting and positioning structure for the car front-end system. Therefore, the technical advantages and effects achieved by this method for mounting and positioning headlights in a car front-end system include those achieved by the aforementioned headlight mounting and positioning structure for the car front-end system, which will not be elaborated here.

[0045] The headlight mounting and positioning method of the automotive front face system includes the following steps: the headlight body 1 is mounted and positioned on the fender 3 by the first mounting and positioning part and the U-shaped groove 6, mounted and positioned on the headlight crossbeam bracket 5 by the second mounting and positioning part, mounted and positioned on the headlight crossbeam bracket 5 by the third mounting and positioning part, and mounted on the headlight mounting bracket 2 by the fourth mounting and positioning part, and mounted and positioned on the headlight crossbeam 4 by the fourth mounting and positioning part.

[0046] The specific assembly steps are as follows: During the final assembly, the headlights are assembled in the following order: first mounting and positioning part, second mounting and positioning part, third mounting and positioning part, and fourth mounting and positioning part. That is, the first point assembly, the second point assembly, the third point assembly, and the fourth point assembly are completed in sequence.

[0047] Specifically, the first positioning pin 7 on the headlight body 1 is aligned with the U-shaped groove on the fender 3 for positioning and connection, controlling the directional freedom of the headlight body 1. The mounting point of the headlight clip 8 is installed on the fender 3 through the first screw 15, controlling the directional freedom of the headlight body 1, and completing the first point assembly.

[0048] Position the headlight beam bracket cantilever positioning hole 10 on the headlight beam bracket cantilever 9 to the headlight beam bracket 5, control the directional freedom of the headlight body 1, and install the mounting point on the headlight beam bracket cantilever 9 on the headlight beam bracket 5 with the second screw 16 to control the directional freedom of the headlight body 1, thus completing the second point assembly.

[0049] The headlight mounting bracket cantilever positioning hole 12 on the headlight mounting bracket cantilever 11 is connected to the headlight mounting bracket 2 by the third screw 17, thereby controlling the directional freedom of the headlight body 1 and completing the third point assembly.

[0050] The headlight beam cantilever positioning hole 14 on the headlight beam cantilever 13 is connected to the headlight beam 4 by the fourth screw 18, thereby controlling the directional freedom of the headlight body 1 and completing the fourth point assembly.

[0051] The headlights were installed by then.

[0052] This embodiment provides a car front-end system, which is assembled using the headlight mounting and positioning method described above. Therefore, the technical advantages and effects achieved by this car front-end system include those achieved by the headlight mounting and positioning method described above, which will not be repeated here.

[0053] This embodiment provides a vehicle including the aforementioned vehicle front-end system. Therefore, the technical advantages and effects achieved by this vehicle include those achieved by the aforementioned vehicle front-end system, which will not be elaborated here.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A headlight mounting and positioning structure for a car front-end system, characterized in that, include: The vehicle front face system includes a front headlight body (1), a front headlight mounting bracket (2), a first mounting positioning part, a second mounting positioning part, a third mounting positioning part and a fourth mounting positioning part disposed on the front headlight body (1), the vehicle front face system includes a fender (3), a front longitudinal beam end plate, a front headlight crossbeam (4) and a front headlight crossbeam bracket (5), and a U-shaped groove (6) is provided on the fender (3), and the front headlight mounting bracket (2) is disposed on the front longitudinal beam end plate; The headlight body (1) can be installed and positioned on the fender (3) via the first mounting and positioning part and the U-shaped groove (6), installed and positioned on the headlight crossbeam bracket (5) via the second mounting and positioning part, installed and positioned on the headlight crossbeam bracket (5) via the third mounting and positioning part and the headlight mounting bracket (2), and installed and positioned on the headlight crossbeam (4) via the fourth mounting and positioning part.

2. The headlight mounting and positioning structure of the automotive front-end system according to claim 1, characterized in that, The first mounting and positioning part includes a first positioning pin (7) and a headlight clip (8); The first positioning pin (7) is used to cooperate with the U-shaped groove (6) for positioning and to restrict the Z-direction freedom of the headlight body (1); The headlight clip (8) is used to connect with the fender (3) and restrict the Y-axis degree of freedom of the headlight body (1).

3. The headlight mounting and positioning structure of the automotive front-end system according to claim 1, characterized in that, The second mounting and positioning part includes a front headlight beam bracket cantilever (9), and the front headlight beam bracket cantilever (9) is provided with a front headlight beam bracket cantilever positioning hole (10). The cantilever positioning hole (10) of the headlight beam bracket is used to cooperate with the headlight beam bracket (5) for positioning and to restrict the Y-direction freedom of the headlight body (1).

4. The headlight mounting and positioning structure of the automotive front-end system according to claim 1, characterized in that, The third mounting and positioning part includes a headlight mounting bracket cantilever (11), and the headlight mounting bracket cantilever (11) is provided with a headlight mounting bracket cantilever positioning hole (12). The cantilever positioning hole (12) of the headlight mounting bracket is used to cooperate with the headlight mounting bracket (2) for positioning and to restrict the X-direction freedom of the headlight body (1).

5. The headlight mounting and positioning structure of the automotive front-end system according to claim 1, characterized in that, The fourth mounting and positioning part includes a front headlight beam cantilever (13), and the front headlight beam cantilever (13) is provided with a front headlight beam cantilever positioning hole (14). The cantilever positioning hole (14) of the headlight beam is used to cooperate with the headlight beam (4) for positioning and to restrict the Z-direction freedom of the headlight body (1).

6. The headlight mounting and positioning structure of the automotive front-end system according to any one of claims 1-5, characterized in that, The first mounting positioning part, the second mounting positioning part and the third mounting positioning part are all located at the lower end of the headlight body (1) and are all located on the outside of the headlight body (1); The fourth mounting and positioning part is located at the upper end of the headlight body (1) and inside the headlight body (1); Along the lower outer edge of the headlight body (1), the third mounting and positioning part is located between the first mounting and positioning part and the second mounting and positioning part.

7. The headlight mounting and positioning structure of the automotive front-end system according to any one of claims 1-5, characterized in that, The headlight body (1) includes a white light-transmitting cover (19), a black edge (20), and a headlight housing (21). The first mounting and positioning part, the second mounting and positioning part, the third mounting and positioning part and the fourth mounting and positioning part are all disposed on the headlight housing (21).

8. A method for installing and positioning headlights in a car front-end system, characterized in that, The headlight mounting and positioning structure of the automotive front-end system according to any one of claims 1-7 includes the following steps: The headlight body (1) is installed and positioned on the fender (3) by the first mounting and positioning part and the U-shaped groove (6), installed and positioned on the headlight crossbeam bracket (5) by the second mounting and positioning part, installed and positioned on the headlight crossbeam bracket (5) by the third mounting and positioning part and the headlight mounting bracket (2), and installed and positioned on the headlight mounting bracket (2) by the fourth mounting and positioning part and the headlight crossbeam (4).

9. A car front-end system, characterized in that, The headlights of the automotive front-end system described in claim 8 are assembled using the headlight mounting and positioning method.

10. A car, characterized in that, Including the vehicle front-end system as described in claim 9.

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