Automobile and headlamp positioning structure thereof

Abstract

The utility model discloses an automobile and a headlight positioning structure thereof. The headlight positioning structure comprises a headlight and a headlight positioning assembly, the upper surface and the front side surface of the headlamp form an S shape, the headlamp is sequentially provided with a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate from back to front, the first connecting plate is provided with a tightening hole Z1 and a main positioning pin, the second connecting plate is provided with an auxiliary positioning hole and a tightening hole Z2, the third connecting plate is provided with a tightening hole X1, and the fourth connecting plate is provided with an auxiliary positioning hole Z3. A tightening hole X2 is formed in the fourth connecting plate; the lower surface and the rear side surface of the headlamp form an arc shape, a fifth connecting plate and a sixth connecting plate are sequentially arranged from back to front, the fifth connecting plate is provided with a tightening hole X3 and a pre-hanging pin, and the sixth connecting plate is provided with a tightening hole X4. By means of the structure, the gap surface difference between the headlamp and the engine cover and the gap surface difference between the headlamp and the front bumper can be improved, headlamp installation positioning and gap surface difference matching are optimized, and the compatibility of the headlamp to automobile body precision fluctuation is optimized.

Description

Technical Field

[0001] This utility model relates to the field of automobile body structure, and in particular to an automobile and its headlight positioning structure. Background Technology

[0002] With the development of the automotive industry, the requirements for vehicle exterior design and manufacturing processes are becoming increasingly stringent, especially for a crucial component like the headlights, whose installation precision directly affects the overall aesthetics and safety of the vehicle. Traditional headlight positioning structures typically use the main positioning holes on the fenders to control the X / Y direction position, while the secondary positioning holes on the front bumper beam control the Y / Z direction position. While this positioning method can meet the headlight installation requirements to some extent, it also has some significant drawbacks:

[0003] If the main headlight positioning hole on the fender and the secondary headlight positioning hole on the front bumper beam deviate too much, the headlight installation will be off, and the vehicle's DTS (Dimensional Tolerance Specification) cannot be met. Utility Model Content

[0004] Therefore, it is necessary to provide a positioning structure for automobiles and their headlights to solve the problem of large deviations in the installation of existing headlights.

[0005] To achieve the above objectives, this embodiment provides a headlight positioning structure, including: a headlight;

[0006] The upper surface of the headlight forms an S-shape with the front side surface, and a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate are provided from back to front. The first connecting plate is provided with a tightening hole Z1 and a main positioning pin. The second connecting plate is provided with a secondary positioning hole and a tightening hole Z2. The third connecting plate is provided with a tightening hole X1 and the fourth connecting plate is provided with a tightening hole X2.

[0007] The lower surface of the headlight and the rear side surface form an arc shape, and a fifth connecting plate and a sixth connecting plate are provided sequentially from back to front. The fifth connecting plate is provided with a tightening hole X3 and a pre-attached pin, and the sixth connecting plate is provided with a tightening hole X4.

[0008] Furthermore, it also includes: fenders, headlight fixtures, water tank upper crossbeam, front headlight side mounting brackets, front main beam sealing plate, front headlight upper brackets, and buffer beam connecting brackets;

[0009] The headlight fixture is provided with a secondary positioning pin on the front left or right side, and the secondary positioning pin is inserted into the secondary positioning hole.

[0010] The crossbeam of the water tank is provided with a tightening hole Z4, and the tightening hole Z4 is connected to the tightening hole Z2 by a fastener;

[0011] The fender is provided with a main positioning hole and a tightening hole Z3. The main positioning hole is connected to the main positioning pin, and the tightening hole Z3 is connected to the tightening hole Z1 by a fastener.

[0012] The front main beam sealing plate is provided with a tightening hole X6, and the tightening hole X6 is connected to the tightening hole X2 by a fastener;

[0013] The upper part of the front main beam sealing plate is connected to the upper bracket of the headlight, and the upper bracket of the headlight is provided with a tightening hole X5. The tightening hole X5 and the tightening hole X1 are connected by fasteners.

[0014] The front main beam end plate is connected to a headlight side mounting bracket on its side. The headlight side mounting bracket is provided with an auxiliary positioning hole and a tightening hole X7. The pre-hanging pin is hung in the auxiliary positioning hole. The tightening hole X7 and the tightening hole X3 are connected by fasteners.

[0015] A buffer beam connecting bracket is connected below the front main beam sealing plate. The buffer beam connecting bracket is provided with a tightening hole X8. The tightening hole X8 and the tightening hole X4 are connected by fasteners.

[0016] Furthermore, the headlight fixture is an isosceles trapezoidal frame, wherein the top edge of the isosceles trapezoid faces forward and the bottom edge faces backward.

[0017] Furthermore, the fasteners include bolts and nuts.

[0018] Furthermore, a positioning surface is provided below the headlight fixture.

[0019] Furthermore, the axial directions of the clamping holes X1 and X5 are along the longitudinal direction of the vehicle;

[0020] The axial direction of the tightening hole X2 and the tightening hole X6 is along the front-rear direction of the vehicle;

[0021] The axial direction of the tightening hole X3 and the tightening hole X7 is along the front-rear direction of the vehicle;

[0022] The axial direction of the tightening hole X4 and the tightening hole X8 is along the front-rear direction of the vehicle;

[0023] The axial direction of the clamping hole Z1 and the clamping hole Z3 is along the vertical direction of the vehicle;

[0024] The axial direction of the clamping holes Z2 and Z4 is along the vertical direction of the vehicle;

[0025] The axial direction of the main locating pin and the main locating hole is along the vertical direction of the vehicle.

[0026] The axial direction of the secondary locating pin and the secondary locating hole is along the longitudinal direction of the vehicle.

[0027] The axial direction of the pre-mounted pin and the auxiliary positioning hole is along the vertical direction of the vehicle.

[0028] Furthermore, the first connecting plate and the second connecting plate are located on the first arc edge of the S-shape, the third connecting plate is located on the second arc edge of the S-shape, and the fourth connecting plate is located on the third arc edge of the S-shape.

[0029] Furthermore, the pre-attached pin is cross-shaped.

[0030] Furthermore, there are two headlights, namely a left headlight and a right headlight, which are symmetrically arranged on the left and right sides;

[0031] The headlight fixture is equipped with two symmetrically arranged secondary positioning pins.

[0032] There are two fenders, and each one corresponds to one of the two headlights;

[0033] The front main beam sealing plate is provided with a tightening hole X6 at each of its left and right ends, and the two tightening holes X6 correspond one-to-one with the two headlights;

[0034] There are two brackets for the headlights, which are symmetrically arranged on the left and right sides of the front main beam sealing plate, corresponding one-to-one with the two headlights;

[0035] There are two headlight side mounting brackets, which are symmetrically arranged on the left and right sides of the front main beam sealing plate, corresponding one-to-one with the two headlights;

[0036] There are two buffer beam connecting brackets, which are symmetrically arranged on the left and right sides of the front buffer main beam sealing plate, and correspond one-to-one with the two headlights.

[0037] To achieve the above objectives, this embodiment also provides an automobile, including a headlight positioning structure as described in any of the above embodiments.

[0038] Unlike existing technologies, the above technical solution has the following beneficial effects:

[0039] The headlights are first pre-mounted by aligning the pre-mounting pins on the fifth connecting plate with the auxiliary positioning holes on the headlight side mounting bracket. After pre-mounting the headlights, the secondary positioning pins (X / Y direction) on the headlight fixture are positioned into the secondary positioning holes (X / Y direction), and the main positioning pins on the first connecting plate are positioned into the main positioning holes on the fender. After positioning, tightening hole Z1 is tightened to the fender, tightening hole Z2 is tightened to the upper crossbeam of the radiator, tightening hole X1 is tightened to the upper headlight bracket, tightening hole X2 is tightened to the front main beam sealing plate, tightening hole X3 is tightened to the headlight side mounting bracket, and tightening hole X4 is tightened to the buffer beam connecting bracket. The headlight assembly is now complete. This structure improves the surface difference between the headlights and the hood and front bumper, optimizes the headlight installation positioning and surface difference matching, and improves the headlight's compatibility with body precision fluctuations. Attached Figure Description

[0040] Figure 1 This is one of the perspective views of the headlight (left headlight) in this embodiment;

[0041] Figure 2 This is the second perspective view of the headlight (left headlight) in this embodiment;

[0042] Figure 3 for Figure 2 Enlarged schematic diagram of part A in the middle;

[0043] Figure 4 for Figure 2 Enlarged diagram of part B in the middle;

[0044] Figure 5 This is a perspective view of the fender in this embodiment;

[0045] Figure 6 This is a perspective view of the headlight fixture in this embodiment;

[0046] Figure 7 This is one of the exploded views of the car front structure in this embodiment;

[0047] Figure 8 for Figure 7 Enlarged schematic diagram of part C in the middle;

[0048] Figure 9 This is a connection diagram of the water tank upper crossbeam, the headlight side mounting bracket, the front buffer main beam sealing plate, the headlight upper bracket, and the buffer beam connecting bracket in this embodiment.

[0049] Figure 10 This is the second exploded view of the car front structure in this embodiment.

[0050] Explanation of reference numerals in the attached figures:

[0051] 1. Headlights;

[0052] 11. Left front headlight;

[0053] 12. Right front headlight;

[0054] 13. First connecting plate; 131. Main locating pin;

[0055] 14. Second connecting plate; 141. Secondary positioning hole;

[0056] 15. Third connecting plate;

[0057] 16. Fourth connecting plate;

[0058] 17. Fifth connecting plate; 171. Pre-attached pin;

[0059] 18. Sixth connecting plate;

[0060] 2. Fenders;

[0061] 21. Main positioning hole;

[0062] 3. Headlight fixtures;

[0063] 31. Secondary locating pin; 32. Locating surface

[0064] 4. Upper crossbeam of the water tank;

[0065] 5. Headlight side mounting bracket; 51. Auxiliary positioning hole;

[0066] 6. Front main beam sealing plate;

[0067] 7. Headlight upper bracket;

[0068] 8. Buffer beam connecting bracket;

[0069] 9. Lower buffer beam. Detailed Implementation

[0070] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0071] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0072] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0073] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0074] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0075] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0076] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0077] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0078] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0079] Please see Figures 1 to 10 This embodiment provides a headlight positioning structure, including: a headlight 1;

[0080] The upper surface of the headlight 1 forms an S-shape with the front side surface, such as... Figure 1 As shown on the left, as Figure 2 As shown on the right side, from back to front, there are a first connecting plate 13, a second connecting plate 14, a third connecting plate 15, and a fourth connecting plate 16. The first connecting plate 13 is provided with a tightening hole Z1 and a main positioning pin 131 (X / Y direction). Figure 3 As shown, the second connecting plate 14 is provided with a secondary positioning hole 141 (X / Y direction) and a tightening hole Z2, the third connecting plate 15 is provided with a tightening hole X1, and the fourth connecting plate 16 is provided with a tightening hole X2.

[0081] The lower surface of the headlight 1 forms an arc with the rear side surface, such as... Figure 1 As shown on the right, as Figure 2 As shown on the left, a fifth connecting plate 17 and a sixth connecting plate 18 are provided sequentially from back to front. The fifth connecting plate 17 is provided with a tightening hole X3 and a pre-hanging pin 171, as shown. Figure 4 As shown, the sixth connecting plate 18 is provided with a tightening hole X4.

[0082] The headlight 1 is first pre-mounted by connecting the pre-mounting pin 171 on the fifth connecting plate 17 to the auxiliary positioning hole 51 on the headlight side mounting bracket 5. After the headlight 1 is pre-mounted, the secondary positioning pin 31 (X / Y direction) on the headlight fixture 3 is positioned into the secondary positioning hole 141 (X / Y direction), and the main positioning pin 131 on the first connecting plate 13 is positioned into the main positioning hole 21 on the fender 2. After positioning, the tightening hole Z1 is tightened into the fender 2, the tightening hole Z2 is tightened into the water tank upper crossbeam 4, the tightening hole X1 is tightened into the headlight upper bracket 7, the tightening hole X2 is tightened into the front buffer main beam sealing plate 6, the tightening hole X3 is tightened into the headlight side mounting bracket 5, and the tightening hole X4 is tightened into the buffer beam connecting bracket 8. The headlight assembly is now complete. This structure can improve the surface difference between the headlight 1 and the hood and front bumper, optimize the headlight installation positioning and surface difference matching, and optimize the compatibility of the headlight with body precision fluctuations.

[0083] Please see Figures 4 to 9 In this embodiment, the headlight positioning structure also includes: fender 2, headlight fixture 3, water tank upper crossbeam 4, headlight side mounting bracket 5, front buffer main beam sealing plate 6, headlight upper bracket 7, and buffer beam connecting bracket 8.

[0084] like Figure 6 , Figure 8 , Figure 10 As shown, the headlight fixture 3 is an auxiliary tool specifically designed for installing headlights. It works in conjunction with positioning points on the vehicle body to ensure the precise positioning of the headlights during installation. The headlight fixture 3 has a secondary positioning pin 31 on its front left or right side, which engages with the secondary positioning hole 141.

[0085] like Figure 6 , Figure 9 , Figure 10 As shown, the upper crossbeam 4 of the radiator is an important structural component at the front of the car, used to support the radiator of the engine cooling system and other related parts. It is usually located between the front bumper and the engine compartment. The upper crossbeam 4 of the radiator has a tightening hole Z4, which is connected to the tightening hole Z2 by fasteners;

[0086] like Figure 5 As shown, the fender 2 is part of the car body, located above the wheel, and is mainly used to shield the wheel and prevent mud, sand, stones, etc. from splashing onto other parts of the car body. The fender 2 is provided with a main positioning hole 21 and a tightening hole Z3. The main positioning hole 21 is connected to the main positioning pin 131, and the tightening hole Z3 is connected to the tightening hole Z1 by fasteners.

[0087] like Figure 6 , Figure 9 , Figure 10As shown, the front main beam sealing plate 6 is a plate-shaped structural component located at the front of the vehicle. The front main beam sealing plate 6 is provided with a tightening hole X6, and the tightening hole X6 and the tightening hole X2 are connected by fasteners.

[0088] like Figure 6 , Figure 9 As shown, a headlight upper bracket 7 is connected above the front main beam sealing plate 6. The headlight upper bracket 7 is provided with a tightening hole X5. The tightening hole X5 and the tightening hole X1 are connected by fasteners.

[0089] like Figure 6 , Figure 9 , Figure 10 As shown, the front main beam sealing plate 6 is connected to the side of the headlight side mounting bracket 5. The headlight side mounting bracket 5 is provided with auxiliary positioning holes 51 and tightening holes X7. The pre-hanging pin 171 is hung in the auxiliary positioning hole 51 (Y / Z direction). The tightening holes X7 and X3 are connected by fasteners.

[0090] like Figure 6 , Figure 9 , Figure 10 As shown, a buffer beam connecting bracket 8 is connected below the front main beam sealing plate 6. The buffer beam connecting bracket 8 is provided with a tightening hole X8. The tightening hole X8 and the tightening hole X4 are connected by fasteners.

[0091] Thus, the design of the pre-mounted pin 171 and the auxiliary positioning hole 51 makes the initial positioning of the headlight more convenient and quick, reducing the complexity of manual operation. The use of multiple tightening holes and fasteners provides multiple fixing points, ensuring the stability of the headlight in all directions and enhancing the overall installation stability.

[0092] In this embodiment, the headlight fixture 3 is an isosceles trapezoidal frame, with the top edge facing forward and the bottom edge facing backward. This shape design helps to better adapt to the vehicle body structure, ensuring the stability and accuracy of the headlight fixture 3 during installation.

[0093] In this embodiment, the fasteners include bolts and nuts, which are used to connect the headlights to corresponding holes on the fender 2, the upper crossbeam of the radiator 4, the headlight side mounting bracket 5, the front main beam end plate 6, the upper headlight bracket 7, and the buffer beam connecting bracket 8. The combination of bolts and nuts provides a high-strength connection, ensuring the stability of the headlights 1 in all directions. This connection method can withstand significant mechanical stress, preventing loosening or detachment due to vibration or impact. The bolt and nut connection method allows for fine-tuning during installation, ensuring the precise position of the headlights. This adjustability helps improve installation accuracy and reduce installation errors.

[0094] Please see Figure 6 and Figure 8In this embodiment, a positioning surface 32 is provided below the headlight fixture 3. The positioning surface 32 abuts against other structures of the car body to achieve a limiting function and provide better support and fixation.

[0095] Please see Figure 4 In this embodiment, the pre-mounted pin 171 is cross-shaped, which makes it easier to align the headlights during initial positioning, reducing installation time and complexity.

[0096] Please see Figure 1 , Figure 7 and Figure 10 In this embodiment, the axial directions of tightening holes X1 and X5 are along the front-rear direction of the vehicle; the axial directions of tightening holes X2 and X6 are along the front-rear direction of the vehicle; the axial directions of tightening holes X3 and X7 are along the front-rear direction of the vehicle; the axial directions of tightening holes X4 and X8 are along the front-rear direction of the vehicle; the axial directions of tightening holes Z1 and Z3 are along the vertical direction of the vehicle; the axial directions of tightening holes Z2 and Z4 are along the vertical direction of the vehicle; the axial directions of the main positioning pin 131 and the main positioning hole 21 are along the vertical direction of the vehicle; the axial directions of the secondary positioning pin 31 and the secondary positioning hole 141 are along the front-rear direction of the vehicle; and the axial directions of the pre-engagement pin 171 and the auxiliary positioning hole 51 are along the vertical direction of the vehicle.

[0097] Please see Figure 1 In this embodiment, the first connecting plate 13 and the second connecting plate 14 are located on the first arc edge of the S-shape, the third connecting plate 15 is located on the second arc edge of the S-shape, and the fourth connecting plate 16 is located on the third arc edge of the S-shape. By precisely arranging the connecting plates on the three arc edges of the S-shape, accurate alignment of the headlights during installation is ensured. This precise layout design helps improve the positioning accuracy of the headlights in the X / Y and Y / Z directions, reduces installation errors caused by positioning hole deviations, and ensures optimal matching of gaps and surface differences between the headlights and other body components.

[0098] Please see Figure 7 and Figure 10In this embodiment, there are two headlights 1, namely a left headlight 11 and a right headlight 12. The left headlight 11 and the right headlight 12 are symmetrically arranged to ensure that their installation positions and angles are consistent, improving the symmetry and aesthetics of the entire vehicle. The headlight fixture 3 is provided with two symmetrically arranged secondary positioning pins 31, which are respectively inserted into the secondary positioning holes 141 of the left headlight 11 and the right headlight 12 to ensure the precise position of the two headlights in the X / Y direction. There are two fenders 2, which correspond one-to-one with the two headlights. The main positioning holes 21 and tightening holes Z3 on the fenders 2 are respectively connected to the main positioning pins 131 and tightening holes Z1 on the first connecting plates 13 of the left headlight 11 and the right headlight 12 to ensure the precise position of the two headlights in the X / Y direction. Each end of the front main beam sealing plate 6 has a tightening hole X6, corresponding to one of the two headlights. Specifically, the two tightening holes X6 connect to the tightening holes X2 on the fourth connecting plate 16 of the left front headlight 11 and the right front headlight 12, respectively. There are two headlight upper brackets 7, symmetrically arranged on the left and right sides of the front main beam sealing plate 6, corresponding to one of the two headlights. Specifically, the tightening holes X5 on the headlight upper brackets 7 connect to the tightening holes X1 on the third connecting plate 15 of the left front headlight 11 and the right front headlight 12, respectively. There are two headlight side mounting brackets 5, symmetrically arranged on the left and right sides of the front main beam sealing plate 6, corresponding to one of the two headlights. Specifically, the tightening holes X7 on the headlight side mounting brackets 5 connect to the tightening holes X3 on the fifth connecting plate 17 of the left front headlight 11 and the right front headlight 12, respectively. There are two buffer beam connecting brackets 8, which are symmetrically arranged on the left and right sides of the front buffer main beam sealing plate 6, and correspond one-to-one with the two headlights. That is, the tightening hole X8 on the buffer beam connecting bracket 8 is connected to the tightening hole X4 on the sixth connecting plate 18 of the left front headlight 11 and the right front headlight 12 respectively.

[0099] In this embodiment, a lower buffer beam 9 is connected below the buffer beam connecting bracket 8.

[0100] This embodiment also provides a vehicle, including a headlight positioning structure as described in any of the above embodiments, the structure being as follows: Figures 1 to 10 As shown, gap and surface difference matching is achieved by using headlight installation fixtures.

[0101] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this utility model patent.

Claims

1. A headlight positioning structure, characterized in that, include: Headlights; The upper surface of the headlight forms an S-shape with the front side surface, and a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate are provided from back to front. The first connecting plate is provided with a tightening hole Z1 and a main positioning pin. The second connecting plate is provided with a secondary positioning hole and a tightening hole Z2. The third connecting plate is provided with a tightening hole X1 and the fourth connecting plate is provided with a tightening hole X2. The lower surface of the headlight and the rear side surface form an arc shape, and a fifth connecting plate and a sixth connecting plate are provided sequentially from back to front. The fifth connecting plate is provided with a tightening hole X3 and a pre-attached pin, and the sixth connecting plate is provided with a tightening hole X4.

2. The headlight positioning structure according to claim 1, characterized in that, Also includes: Fender, headlight fixture, water tank upper crossbeam, front headlight side mounting bracket, front buffer main beam sealing plate, front headlight upper bracket and buffer beam connecting bracket; The headlight fixture is provided with a secondary positioning pin on the front left or right side, and the secondary positioning pin is inserted into the secondary positioning hole. The crossbeam of the water tank is provided with a tightening hole Z4, and the tightening hole Z4 is connected to the tightening hole Z2 by a fastener; The fender is provided with a main positioning hole and a tightening hole Z3. The main positioning hole is connected to the main positioning pin, and the tightening hole Z3 is connected to the tightening hole Z1 by a fastener. The front main beam sealing plate is provided with a tightening hole X6, and the tightening hole X6 is connected to the tightening hole X2 by a fastener; The upper part of the front main beam sealing plate is connected to the upper bracket of the headlight, and the upper bracket of the headlight is provided with a tightening hole X5. The tightening hole X5 and the tightening hole X1 are connected by fasteners. The front main beam end plate is connected to a headlight side mounting bracket on its side. The headlight side mounting bracket is provided with an auxiliary positioning hole and a tightening hole X7. The pre-hanging pin is hung in the auxiliary positioning hole. The tightening hole X7 and the tightening hole X3 are connected by fasteners. A buffer beam connecting bracket is connected below the front main beam sealing plate. The buffer beam connecting bracket is provided with a tightening hole X8. The tightening hole X8 and the tightening hole X4 are connected by fasteners.

3. The headlight positioning structure according to claim 2, characterized in that, The headlight fixture is an isosceles trapezoidal frame, with the top edge of the isosceles trapezoid facing forward and the bottom edge facing backward.

4. The headlight positioning structure according to claim 2, characterized in that, The fasteners include bolts and nuts.

5. The headlight positioning structure according to claim 2, characterized in that, The headlight fixture has a positioning surface at its lower part.

6. The headlight positioning structure according to claim 5, characterized in that, The axial direction of the tightening hole X1 and the tightening hole X5 is along the front-rear direction of the vehicle; The axial direction of the tightening hole X2 and the tightening hole X6 is along the front-rear direction of the vehicle; The axial direction of the tightening hole X3 and the tightening hole X7 is along the front-rear direction of the vehicle; The axial direction of the tightening hole X4 and the tightening hole X8 is along the front-rear direction of the vehicle; The axial direction of the clamping hole Z1 and the clamping hole Z3 is along the vertical direction of the vehicle; The axial direction of the clamping holes Z2 and Z4 is along the vertical direction of the vehicle; The axial direction of the main locating pin and the main locating hole is along the vertical direction of the vehicle. The axial direction of the secondary locating pin and the secondary locating hole is along the longitudinal direction of the vehicle. The axial direction of the pre-mounted pin and the auxiliary positioning hole is along the vertical direction of the vehicle.

7. The headlight positioning structure according to claim 1, characterized in that, The first connecting plate and the second connecting plate are located on the first arc edge of the S-shape, the third connecting plate is located on the second arc edge of the S-shape, and the fourth connecting plate is located on the third arc edge of the S-shape.

8. The headlight positioning structure according to claim 1, characterized in that, The pre-attached pin is cross-shaped.

9. The headlight positioning structure according to any one of claims 2 to 6, characterized in that, The headlights are two in number, namely a left headlight and a right headlight, which are arranged symmetrically on the left and right sides; The headlight fixture is equipped with two symmetrically arranged secondary positioning pins. There are two fenders, and each one corresponds to one of the two headlights; The front main beam sealing plate is provided with a tightening hole X6 at each of its left and right ends, and the two tightening holes X6 correspond one-to-one with the two headlights; There are two brackets for the headlights, which are symmetrically arranged on the left and right sides of the front main beam sealing plate, corresponding one-to-one with the two headlights; There are two headlight side mounting brackets, which are symmetrically arranged on the left and right sides of the front main beam sealing plate, corresponding one-to-one with the two headlights; There are two buffer beam connecting brackets, which are symmetrically arranged on the left and right sides of the front buffer main beam sealing plate, and correspond one-to-one with the two headlights.

10. A car, characterized in that, Includes the headlight positioning structure as described in any one of claims 1 to 9.

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