Connecting support, fairing mounting structure and vehicle

Abstract

The connecting support comprises a support body, one of the front side and the rear side of the support body is provided with a matching end face, the other one of the front side and the rear side of the support body is provided with an extending portion, the matching end face makes contact with and is connected with a fairing or a front end frame, and the extending portion is connected with the front end frame or the fairing in an inserted mode. According to the connecting support, when the connecting support is installed, the matching end face on one side of the support body makes contact with and is connected with the rear end face of the flow guide cover or the front end face of the support body, the extending portion on the other side of the installing support is inserted into the front end frame or the flow guide cover to be connected, and the connecting structure effectively reduces connecting points of the structure. The assembling process is simpler and more convenient, meanwhile, the positioning precision of the structure can be improved conveniently, the installation precision is guaranteed, and the installation convenience is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle connection structures, and more specifically, relates to a connection bracket, a deflector installation structure and a vehicle. Background Art

[0002] When assembling the front of the vehicle, the air deflector is generally connected to the front frame through a plate-like connecting member, thereby providing a mounting point for the bumper. Existing plate-like connecting members are generally large in size and weight, and need to be connected to the above-mentioned members using multiple mounting points. In the connection between the connecting member and the surrounding parts, there are multiple limit and screw structures designed, the assembly structure is complex, and the product is difficult to assemble. Not only does it lead to a high cost of the connecting member, but the assembly process is also complicated during the installation process, the assembly is relatively large, and the operation is difficult. Utility Model Content

[0003] The purpose of the utility model is to provide a connecting bracket, a deflector mounting structure and a vehicle, which can effectively simplify the connection structure between the deflector and the front end frame, reduce the difficulty of assembly, and also reduce the manufacturing cost of the components.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a connecting bracket, including a bracket body, one of the front and rear sides of the bracket body has a matching end face, and the other has an extension portion, the matching end face is in contact with and connected to the air deflector or the front end frame, and the extension portion is plugged and connected to the front end frame or the air deflector.

[0005] In a possible implementation, a weight-reducing cavity is provided on the top surface and the bottom surface of the bracket body respectively, and a plurality of horizontally extending inner reinforcing rib plates are provided in the weight-reducing cavity, and the plate surfaces of the inner reinforcing rib plates are arranged in the up-down direction.

[0006] In some embodiments, an annular rib is provided in the middle of the weight-reducing cavity, and the main axis of the annular rib extends in the up-down direction. One end of the inner reinforcing rib plate is connected to the outer circumferential wall of the annular rib and the other end is connected to the inner circumferential wall of the weight-reducing cavity. The inner reinforcing rib plate extends radially along the annular rib.

[0007] In one possible implementation, the top surface of the bracket body protrudes upward from the top surface of the extension portion, and a plurality of top reinforcing ribs are provided on the top surface of the extension portion along the front-to-back direction. A limit platform protruding upward is provided on the top reinforcing ribs, and the limit platform is located at one end of the extension portion close to the bracket body, and the end surface of the limit platform is used to limit the front and rear positions of the front end frame or the air deflector.

[0008] In a possible implementation, the bottom surface of the bracket body is arranged to protrude downward from the bottom surface of the extension portion, and a plurality of bottom reinforcing ribs arranged in parallel are provided on the bottom surface of the extension portion.

[0009] Compared with the prior art, the solution shown in the embodiment of the present application provides a connecting bracket, which, during installation, contacts and connects the mating end face on one side of the bracket body with the rear end face of the air deflector or the front end face of the bracket body, and inserts the extension portion on the other side of the mounting bracket into the front end frame or the air deflector for connection. The above-mentioned connection structure effectively reduces the connection points of the structure, making the assembly process simpler and more convenient, while facilitating improving the positioning accuracy of the structure, ensuring the accuracy of installation, and greatly improving the convenience of installation.

[0010] The utility model also provides a deflector installation structure, including a deflector, a front end frame and a connecting bracket, the connecting bracket is connected to the rear side of the deflector through a first connecting piece, the extension of the connecting bracket is connected to the front side of the front end frame through a second connecting piece, and a fastening sleeve 3 is respectively provided on the extension part and the bracket body, and the fastening sleeve is threadedly connected to the first connecting piece or the second connecting piece.

[0011] In a possible implementation, the extension portion is provided with a first cavity opening backward and a first plug hole communicating with the first cavity, the first plug hole extends from the top wall of the extension portion to the side wall of the extension portion, the bracket body is provided with a second cavity opening downward and a second plug hole communicating with the second cavity, and the second plug hole is located on the front end surface of the bracket body;

[0012] The fastening sleeve is inserted into the top of the extension portion from the first insertion hole or is inserted into the front side of the bracket body from the second insertion hole, and the first connecting piece or the second connecting piece is threadedly connected with the fastening sleeve.

[0013] In some embodiments, the fastening sleeve has a receiving cavity for inserting the top wall of the extension portion or the front side wall of the bracket body, and the fastening sleeve has a threaded sleeve located in the first cavity or the second cavity, and the first connecting member or the second connecting member is threadedly connected to the threaded sleeve.

[0014] In one possible implementation, a clearance cavity is respectively provided on the top wall of the extension portion and the front end surface of the bracket body, the clearance cavity is used to accommodate the side wall of the fastening sleeve away from the fastening sleeve, and a protruding limit strip is also provided on the outer periphery of the clearance cavity, which is used to limit the circumferential rotation of the fastening sleeve.

[0015] Compared with the prior art, the solution shown in the embodiment of the present application provides a fairing installation structure that utilizes a connecting bracket to reliably connect the fairing and the front end frame, thereby providing a stable installation foundation for the installation of the bumper. The connecting structure effectively reduces the number of installation points, making the assembly process simpler and more convenient, while facilitating improving the positioning accuracy of the structure, ensuring the accuracy of the installation, and greatly improving the convenience of installation.

[0016] The utility model also provides a vehicle, which includes a deflector mounting structure. The vehicle effectively improves assembly accuracy and assembly efficiency and improves the reliability of structural connection by using the deflector mounting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A schematic diagram of the structure of the connecting bracket provided in an embodiment of the utility model;

[0019] Figure 2 For the utility model embodiment Figure 1 A schematic diagram of a local structure viewed from above;

[0020] Figure 3 For the utility model embodiment Figure 2 Schematic diagram of the cross-sectional structure of AA;

[0021] Figure 4 For the utility model embodiment Figure 3 The partially enlarged structural diagram of middle Ⅰ;

[0022] Figure 5 For the utility model embodiment Figure 3 Schematic diagram of the partial enlarged structure of middle Ⅱ;

[0023] Figure 6 For the utility model embodiment Figure 1 A schematic diagram of the structure of the connecting bracket at another angle;

[0024] Figure 7 For the utility model embodiment Figure 1 A schematic diagram of the structure of the connecting bracket at another angle;

[0025] Figure 8 For the utility model embodiment Figure 3 A schematic diagram of the structure of the middle fastening sleeve at one angle;

[0026] Fig. 9 For the utility model embodiment Figure 3 A schematic diagram of the structure of the fastening sleeve from another angle.

[0027] Among them, the reference numerals in the figure are:

[0028] 1. Bracket body; 11. Weight-reducing cavity; 12. Inner reinforcing rib plate; 13. Annular rib; 14. Second cavity; 15. Second insertion hole; 2. Extension portion; 21. First cavity; 22. First insertion hole; 23. Top reinforcing rib; 24. Limiting platform; 25. Bottom reinforcing rib; 26. Limiting strip; 27. Make way cavity; 3. Fastening sleeve; 31. Accommodating cavity; 32. Threaded sleeve; 33. Elastic sheet; 4. Fairing; 5. Front end frame; 61. First connecting piece; 62. Second connecting piece. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] In the claims, specification and the above-mentioned drawings of the present utility model, the terms "front" and "rear" are the same as the front-to-back direction of the vehicle body, "left" and "right" are the same as the left-to-right direction of the vehicle body, and "up" and "down" are the same as the up-down direction of the vehicle body; the term "inside" refers to the direction toward the central axis of the vehicle body, and the term "outside" refers to the direction away from the central axis of the vehicle body, wherein the central axis of the vehicle body is parallel to the front-to-back direction of the vehicle body. The remaining directional words, unless otherwise clearly defined, such as the use of the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "clockwise", "counterclockwise", "high", "low" and the like to indicate the direction or position relationship are based on the direction and position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, so they cannot be understood as limiting the specific protection scope of the present utility model.

[0031] Please also read Figures 1 to 9 The connecting bracket, air deflector mounting structure and vehicle provided by the utility model are now described. The connecting bracket includes a bracket body 1, one of the front and rear sides has a matching end face, and the other has an extension part 2, the matching end face contacts and is connected to the air deflector 4 or the front end frame 5, and the extension part 2 is plugged and connected to the front end frame 5 or the air deflector 4.

[0032] Compared with the prior art, the connecting bracket provided in the present embodiment has the mating end face of one side of the bracket body 1 contacted with the rear end face of the air deflector 4 or the front end face of the bracket body 1 during installation, and the extension portion 2 on the other side of the bracket body 1 is inserted into the front end frame 5 or the air deflector 4 for connection. The above-mentioned connection structure effectively reduces the connection points of the structure, making the assembly process simpler and more convenient, and at the same time facilitates improving the positioning accuracy of the structure, ensuring the accuracy of installation, and greatly improving the convenience of installation.

[0033] In this embodiment, when the bracket body 1 is used to connect the air deflector 4 and the front end frame 5, there are two different ways to arrange the matching end surface and the extension part 2 on the bracket body 1.

[0034] One method is to set the mating end face on the front side of the bracket body 1, and the extension part 2 is set on the rear side of the bracket body 1, and the mating end face of the bracket body 1 is in contact with the rear end face of the air deflector 4 to effectively limit the front and rear positions of the two, and then connect them by welding, bonding or connecting with connecting parts, and use the extension part 2 of the bracket body 1 to be plugged and connected with the front end frame 5.

[0035] Another way is that the extension part 2 is set on the front side of the bracket body 1, and the matching end face is set on the rear side of the bracket body 1. The extension part 2 of the bracket body 1 is plugged and connected with the air deflector 4, and the matching end face of the bracket body 1 is used to contact with the front end frame 5 to realize the effective limitation of the front and rear positions of the two, and then they are connected by welding, bonding or connecting parts.

[0036] In this embodiment, for the convenience of description, an example is taken in which the matching end surface is arranged at the front side of the bracket body 1 and the extending portion 2 is arranged at the rear side of the bracket body 1 for explanation.

[0037] The mating end face of the bracket body 1 contacts and connects with the rear end face of the air deflector 4, and the extension part 2 of the bracket body 1 is plugged and connected with the front end frame 5. Specifically, the two can be connected directly by plugging, and in addition, the two can be further reliably connected by setting a connector on the basis of plugging and positioning the extension part 2.

[0038] In some possible implementations, the above-mentioned characteristic bracket body 1 is adopted as follows Figure 6 to Figure 7 See the structure shown. Figure 6 to Figure 7 A weight-reducing cavity 11 is respectively provided on the top and bottom surfaces of the bracket body 1. A plurality of horizontally extending inner reinforcing ribs 12 are provided in the weight-reducing cavity 11. The plate surfaces of the inner reinforcing ribs 12 are arranged in the up-down direction.

[0039] In this embodiment, a weight-reducing cavity 11 is provided on the bracket body 1. The provision of the weight-reducing cavity 11 can reduce the material consumption of the bracket body 1 and realize a lightweight design. By providing an inner reinforcing rib plate 12 inside the weight-reducing cavity 11, the structure of the bracket body 1 is enhanced, so that the entire bracket body 1 has sufficient structural strength.

[0040] Specifically, the plate surface of the inner reinforcing rib plate 12 is arranged along the up-down direction, and its extension direction can be arranged in parallel or in a cross direction, both of which can play a role in structural reinforcement.

[0041] In some embodiments, the above-mentioned characteristic weight reduction cavity 11 can be used as follows Figure 6 to Figure 7 See the structure shown. Figure 6 to Figure 7 An annular rib 13 is provided in the middle of the weight-reducing cavity 11, and the main axis of the annular rib 13 extends in the up-down direction. One end of the inner reinforcing rib plate 12 is connected to the outer circumferential wall of the annular rib 13, and the other end is connected to the inner circumferential wall of the weight-reducing cavity 11. The inner reinforcing rib plate 12 extends radially along the annular rib 13.

[0042] In this embodiment, an annular rib 13 is provided in the middle of the weight-reducing cavity 11 to enhance the structural strength of the middle region. On this basis, the inner reinforcing rib plate 12 is provided on the periphery of the annular rib 13 and is evenly arranged on the periphery. This not only enhances the structural strength of the bracket body 1, but also achieves the effect of structural weight reduction.

[0043] Specifically, the thickness of the bracket body 1 in the up-down direction gradually decreases from front to back, thereby ensuring the contact area with the rear end surface of the air deflector 4 while reducing the space occupied by the components and satisfying the supporting function of the structure in the front-to-back direction.

[0044] At the same time, the extension portion 2 gradually becomes smaller from front to back, so as to form a good guiding effect when installing with the bracket section, which helps to improve the assembly efficiency and reduce the assembly difficulty.

[0045] In some possible implementations, the above-mentioned characteristic bracket body 1 is adopted as follows Figure 5 to Figure 6 See the structure shown. Figure 5 to Figure 6 The top surface of the bracket body 1 protrudes upward from the top surface of the extension part 2. A plurality of top reinforcing ribs 23 arranged along the front-to-back direction are provided on the top surface of the extension part 2. A limit platform 24 protruding upward is provided on the top reinforcing rib 23. The limit platform 24 is located at one end of the extension part 2 close to the bracket body 1. The end surface of the limit platform 24 is used to limit the front and rear positions of the front end frame 5 or the air deflector 4.

[0046] In this embodiment, the top reinforcing rib 23 is provided on the top surface of the extension part 2 to achieve the structural reinforcement effect. The limiting platform 24 is provided on the top reinforcing rib 23 to achieve effective limiting of the mating end surface of the front end frame 5. When the extension part 2 is inserted into the front end frame 5, the mating end surface of the front end frame 5 can contact the rear end surface of the limiting platform 24, and the limiting platform 24 is used to form a limiting effect on the front and rear positions of the front end frame 5, so that the extension part 2 and the front end frame 5 are effectively positioned, which is convenient for the subsequent installation of the second connecting member 62.

[0047] In some possible implementations, the above-mentioned characteristic bracket body 1 is adopted as follows Figure 5 and Figure 7 See the structure shown. Figure 5 and Figure 7The bottom surface of the bracket body 1 is protruding downward from the bottom surface of the extension part 2, and a plurality of bottom reinforcing ribs 25 are arranged in parallel on the bottom surface of the extension part 2. The bottom reinforcing ribs 25 at the bottom of the extension part 2 have similar functions to the top reinforcing ribs 23, and can structurally strengthen the connection between the extension part 2 and the bracket body 1. Multiple bottom reinforcing ribs 25 can be arranged along the front-to-back direction to ensure a good structural reinforcement effect.

[0048] Based on the same inventive concept, an embodiment of the present application also provides a deflector installation structure, including a deflector 4, a front end frame 5 and a connecting bracket, the connecting bracket is connected to the rear side of the deflector 4 through a first connecting member 61, the extension portion 2 of the connecting bracket is connected to the front side of the front end frame 5 through a second connecting member 62, and a fastening sleeve 3 is respectively provided on the extension portion 2 and the bracket body 1, and the fastening sleeve 3 is threadedly connected to the first connecting member 61 or the second connecting member 62.

[0049] The above-mentioned air deflector mounting structure utilizes a connecting bracket to reliably connect the air deflector 4 and the front end frame 5, providing a stable mounting base for the installation of the front bumper. The connecting structure effectively reduces the mounting points, making the assembly process simpler and more convenient, while facilitating improving the positioning accuracy of the structure, ensuring the accuracy of the installation, and greatly improving the convenience of installation.

[0050] On this basis, by arranging the fastening sleeve 3 on the extension part 2 and the bracket body 1, the effective connection of the structure is realized, and the fastening sleeve 3 can be threadedly matched with the first connecting member 61 or the second connecting member 62, so as to improve the convenience of connection and ensure the reliability of connection. The fastening sleeve 3 can be plugged into the extension part 2 or the bracket body 1, and the relative position with the bracket body 1 or the extension part 2 is effectively locked by installing the first connecting member 61 or the second connecting member 62.

[0051] The first connecting member 61 is arranged along the front-to-back direction of the vehicle body, so that a reliable connection is formed between the air deflector 4 and the connecting bracket, and the installation process is simpler and more convenient. The first connecting member 61 passes through the rear end surface of the air deflector 4 from the front side to the rear side of the air deflector 4 and is connected to the bracket body 1, which improves the convenience of connection.

[0052] Specifically, a reinforcement structure is provided on the front side of the air deflector 4, and a structure such as a rib plate can be used to increase the strength of the air deflector 4. The reinforcement structure is provided at a position corresponding to the front and rear of the first connecting member 61 to ensure the structural strength of the connecting part.

[0053] On the basis of effective plugging of the extension part 2 with the front end frame 5, the extension part 2 and the front end frame 5 are effectively connected through the second connecting member 62. The second connecting member 62 can extend in the up-down direction or in the left-right direction, and both can meet the reliable connection effect. Specifically, the second connecting member 62 passes through the top surface of the front end frame 5 from top to bottom and is connected to the extension part 2, which improves the convenience of connection and simplifies the connection structure.

[0054] In some possible implementations, the characteristic extension portion 2 and the bracket body 1 are as follows: Figures 3 to 7 See the structure shown. Figures 3 to 5 The extension part 2 is provided with a first cavity 21 opening backward and a first plug hole 22 communicating with the first cavity 21, the first plug hole 22 extends from the top wall of the extension part 2 to the side wall of the extension part 2, the bracket body 1 is provided with a second cavity 14 opening downward and a second plug hole 15 communicating with the second cavity 14, and the second plug hole 15 is located on the front end surface of the bracket body 1;

[0055] The fastening sleeve 3 is inserted into the top of the extension portion 2 from the first insertion hole 22 or inserted into the front side of the bracket body 1 from the second insertion hole 15 , and the first connecting member 61 or the second connecting member 62 is threadedly connected to the fastening sleeve 3 .

[0056] In this embodiment, the installation structure of the extension part 2 and the fastening sleeve 3 is taken as an example for explanation. The first cavity 21 on the rear side of the extension part 2 provides space for the installation of the fastening sleeve 3, and the first cavity 21 can also be used to reduce weight. The first plug hole 22 is set on the top wall of the extension part 2, and the fastening sleeve 3 is plugged into the top wall of the extension part 2 through the first plug hole 22, so that the fastening sleeve 3 and the extension part 2 become a whole. Afterwards, the first connecting member 61 is passed through the top wall of the front end frame 5, the fastening sleeve 3 and the top wall of the extension part 2 and is threadedly connected to the fastening sleeve 3, so that the position of the extension part 2 and the front end frame 5 is locked.

[0057] The bracket body 1 is provided with a second cavity 14 to realize the installation of the fastening sleeve 3. The fastening sleeve 3 is plugged into the front end surface of the bracket body 1 through the second plug hole 15. The second connecting member 62 passes through the rear end surface of the air deflector 4, the fastening sleeve 3 and the front end surface of the bracket body 1 and is threadedly connected with the fastening sleeve 3, so that the position of the bracket body 1 and the front end frame 5 is locked.

[0058] In some embodiments, the above-mentioned fastening sleeve 3 can be used as follows: Figures 3 to 7 See the structure shown. Figures 3 to 5 The fastening sleeve 3 has a receiving cavity 31 for inserting the top wall of the extension part 2 or the front end face of the bracket body 1, and the fastening sleeve 3 has a threaded sleeve 32 located in the first cavity 21 or the second cavity 14, and the first connecting member 61 or the second connecting member 62 is threadedly connected in the threaded sleeve 32. The threaded sleeve 32 can form a threaded connection with the first connecting member 61 or the second connecting member 62, so that the first connecting member 61 can reliably clamp the rear end face of the air deflector 4 and the front end face of the bracket body 1, and the second connecting member 62 can reliably clamp the top wall of the extension part 2 and the top wall of the front end frame 5, thereby ensuring the reliability of the connection.

[0059] Furthermore, an elastic sheet 33 is formed on the side wall of the first cavity 21 by cutting. The elastic sheet 33 is a quadrilateral, and only one side edge of the elastic sheet 33 is connected to the fastening sleeve 3, so that the fastening sleeve 3 can compress the first cavity 21 or the second cavity 14 when threadedly connected to the first connecting member 61 or the second connecting member 62 to ensure the reliability of the connection, enhance the deformation ability of the fastening sleeve 3, and realize the effective connection between the components.

[0060] In some possible implementations, the characteristic extension portion 2 is as follows: Figure 6 See the structure shown. Figure 6 A clearance cavity 27 is respectively provided on the top wall of the extension part 2 and the front end surface of the bracket body 1. The clearance cavity 27 is used to accommodate the side wall of the fastening sleeve 3 away from the fastening sleeve 3. The outer periphery of the clearance cavity 27 is also provided with a raised limit strip 26, which is used to limit the circumferential rotation of the fastening sleeve 3.

[0061] In this embodiment, in order to prevent the fastening sleeve 3 from protruding forward from the front end face of the bracket body 1 or protruding upward from the top face of the extension part 2, a clearance cavity 27 for accommodating the fastening sleeve 3 is respectively provided on the front end face of the bracket body 1 and the top wall of the extension part 2. The clearance cavity 27 is a concave structure, which ensures that the front end face of the fastening sleeve 3 is flush with the front end face of the bracket body 1, or ensures that the top face of the fastening sleeve 3 is flush with the top face of the extension part 2. The setting of the limiting strip 26 can limit the peripheral wall of the fastening sleeve 3, prevent the fastening sleeve 3 from rotating circumferentially during the threaded connection process, and improve the reliability of the connection.

[0062] Based on the same inventive concept, an embodiment of the present application also provides a vehicle, which includes a fairing installation structure. The vehicle effectively improves assembly accuracy and assembly efficiency and improves the reliability of structural connection by using the fairing installation structure.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connecting bracket, characterized in that: The invention comprises a bracket body (1), one of the front and rear sides of the bracket body (1) having a mating end face, and the other having an extension portion (2), the mating end face being in contact with and connected to a shroud (4) or a front end frame (5), and the extension portion (2) being plugged into and connected to the front end frame (5) or the shroud (4).

2. The connecting bracket according to claim 1, characterized in that: A weight-reducing cavity (11) is provided on the top surface and the bottom surface of the bracket body (1), respectively. A plurality of horizontally extending inner reinforcing rib plates (12) are provided in the weight-reducing cavity (11), and the plate surfaces of the inner reinforcing rib plates (12) are arranged in the up-down direction.

3. The connecting bracket according to claim 2, characterized in that: An annular rib (13) is provided in the middle of the weight-reducing cavity (11), and the main axis of the annular rib (13) extends in the up-down direction. One end of the inner reinforcing rib plate (12) is connected to the outer peripheral wall of the annular rib (13), and the other end is connected to the inner peripheral wall of the weight-reducing cavity (11). The inner reinforcing rib plate (12) extends radially along the annular rib (13).

4. The connecting bracket according to claim 1, characterized in that: The top surface of the bracket body (1) is arranged to protrude upward from the top surface of the extension part (2); a plurality of top reinforcing ribs (23) arranged along the front-to-back direction are arranged on the top surface of the extension part (2); a limit platform (24) protruding upward is arranged on the top reinforcing rib (23); the limit platform (24) is located at one end of the extension part (2) close to the bracket body (1); and the end surface of the limit platform (24) is used to limit the front-to-back position of the front frame (5) or the air deflector (4).

5. The connecting bracket according to claim 4, characterized in that: The bottom surface of the bracket body (1) is arranged to protrude downward from the bottom surface of the extension portion (2), and a plurality of bottom reinforcing ribs (25) arranged in parallel are provided on the bottom surface of the extension portion (2).

6. A deflector installation structure, characterized in that: It comprises a fairing (4), a front end frame (5) and a connecting bracket according to any one of claims 1 to 5, wherein the connecting bracket is connected to the rear side of the fairing (4) via a first connecting piece (61), an extension portion (2) of the connecting bracket is connected to the front side of the front end frame (5) via a second connecting piece (62), and a fastening sleeve (3) is respectively provided on the extension portion (2) and the bracket body (1), and the fastening sleeve (3) is threadedly connected to the first connecting piece (61) or the second connecting piece (62).

7. The air deflector installation structure according to claim 6, characterized in that: The extension portion (2) is provided with a first cavity (21) opening backwards and a first plug hole (22) communicating with the first cavity (21), the first plug hole (22) extending from the top wall of the extension portion (2) to the side wall of the extension portion (2), the bracket body (1) is provided with a second cavity (14) opening downwards and a second plug hole (15) communicating with the second cavity (14), the second plug hole (15) being located on the front end surface of the bracket body (1); The fastening sleeve (3) is inserted into the top of the extension portion (2) from the first insertion hole (22) or is inserted into the front side of the bracket body (1) from the second insertion hole (15), and the first connecting piece (61) or the second connecting piece (62) is threadedly connected to the fastening sleeve (3).

8. The air deflector installation structure according to claim 7, characterized in that: The fastening sleeve (3) has a receiving cavity (31) for inserting the top wall of the extension portion (2) or the front end surface of the bracket body (1), and the fastening sleeve (3) has a threaded sleeve (32) located in the first cavity (21) or the second cavity (14), and the first connecting member (61) or the second connecting member (62) is threadedly connected to the threaded sleeve (32).

9. The air deflector mounting structure according to claim 8, characterized in that: A clearance cavity (27) is respectively provided on the top wall of the extension portion (2) and the front end surface of the bracket body (1), and the clearance cavity (27) is used to accommodate the side wall of the fastening sleeve (3) away from the fastening sleeve (3). A protruding limiting strip (26) is also provided on the outer periphery of the clearance cavity (27), and the limiting strip (26) is used to limit the circumferential rotation of the fastening sleeve (3).

10. A vehicle, characterized in that: The vehicle includes the fairing mounting structure according to claim 9.

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