Automobile seat mounting structure and automobile

Abstract

The utility model relates to the technical field of automobiles, in particular to an automobile seat mounting structure and an automobile. The automobile seat mounting structure comprises a rear floor, wheel cover inner plates and a rotating shaft support, the wheel cover inner plates are arranged on the two opposite sides of the rear floor and connected with the rear floor, and assembly gaps are defined between the wheel cover inner plates and the rear floor. The side, close to the rear floor, of the wheel cover inner plate is defined as the inner side, the side, away from the rear floor, of the wheel cover inner plate is defined as the outer side, and the rotating shaft support is arranged on the inner side, connected with the wheel cover inner plate and used for being connected with a seat assembly. The rotating shaft support comprises a reinforcing plate arranged at one end of the rotating shaft support, and the reinforcing plate extends into the assembling gap and is connected with the wheel cover inner plate and the rear floor. According to the automobile seat mounting structure and the automobile, the problem that the connecting strength between an existing rear row seat and an automobile body is insufficient is solved.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to an automobile seat installation structure and an automobile. Background Art

[0002] At present, the front boundary of a car trunk is usually composed of the seat backs in the rear row. Therefore, when the car brakes suddenly due to a collision or other factors, due to inertia, items such as suitcases placed in the trunk will impact the seats forward, causing a large force to be applied to the connection point between the seats and the car body.

[0003] However, according to the existing CAE simulation analysis of the luggage compartment impact test, the connection strength of the mounting bracket at the connection between the rear seat and the body in the traditional structure is insufficient. When subjected to a large impact, the welds at the bracket will fail and the bracket will be deformed under force, which greatly affects the safety of the rear passengers. Utility Model Content

[0004] Based on this, it is necessary to provide a car seat installation structure and a car to solve the problem of insufficient connection strength between the existing rear seats and the car body.

[0005] The present application provides a car seat mounting structure, which includes a rear floor, a wheel cover inner plate and a pivot bracket, wherein the wheel cover inner plate is arranged on opposite sides of the rear floor and is connected to the rear floor, and an assembly gap is formed between the wheel cover inner plate and the rear floor; the side of the wheel cover inner plate close to the rear floor is defined as the inner side, and the side of the wheel cover inner plate away from the rear floor is defined as the outer side, the pivot bracket is arranged on the inner side and is connected to the wheel cover inner plate, and the pivot bracket is used to connect the seat assembly; wherein the pivot bracket includes a reinforcing plate arranged at one end of the pivot bracket, the reinforcing plate extends into the assembly gap and is respectively connected to the wheel cover inner plate and the rear floor.

[0006] In one embodiment, the pivot bracket also includes a mounting portion and a reinforcement portion, the reinforcement portion is arranged around at least a portion of the circumference of the mounting portion and is connected to the mounting portion, and the mounting portion and the reinforcement portion are both connected to the wheel arch inner panel; wherein the mounting portion is used to connect the seat assembly, and the reinforcement plate is connected to the mounting portion.

[0007] In one of the embodiments, an assembly cavity is formed between the pivot bracket and the inner plate of the wheel cover, and a mounting hole connected to the assembly cavity is opened on the pivot bracket, and the mounting hole is used to connect with the seat assembly; the automobile seat mounting structure also includes a welding nut, which is arranged in the assembly cavity, and the welding nut is arranged corresponding to the mounting hole and connected to the pivot bracket.

[0008] In one of the embodiments, the automobile seat mounting structure further comprises a locking hook bracket, wherein the locking hook bracket is arranged on the inner side and connected to the wheel house inner plate; wherein the locking hook bracket is connected to a seat locking hook for connecting to the seat assembly.

[0009] In one of the embodiments, a positioning hole is provided on the locking hook bracket.

[0010] In one of the embodiments, the distance between the seat lock hook and the positioning hole is greater than or equal to 25 mm.

[0011] In one of the embodiments, the automobile seat mounting structure further includes a reinforcing bracket, which is disposed on the outer side and connected to the wheel house inner panel.

[0012] In one embodiment, the projection of the reinforcing bracket on the inner panel of the wheel arch at least partially overlaps with the projection of the pivot bracket on the inner panel of the wheel arch; and / or, the projection of the reinforcing bracket on the inner panel of the wheel arch at least partially overlaps with the projection of the locking hook bracket on the inner panel of the wheel arch.

[0013] In one of the embodiments, the rotating shaft bracket is provided with a first reinforcing rib protruding toward a direction away from the wheel house inner panel, the locking hook bracket is provided with a second reinforcing rib protruding toward a direction away from the wheel house inner panel, and the reinforcing bracket is provided with a third reinforcing rib protruding toward a direction away from the wheel house inner panel; wherein the distances from the end faces of the first reinforcing rib, the second reinforcing rib and the third reinforcing rib away from the wheel house inner panel to the wheel house inner panel are all greater than or equal to 3 mm.

[0014] The present application also provides a car, which includes the car seat mounting structure described in any one of the above embodiments.

[0015] Compared with the prior art, the automobile seat mounting structure and automobile provided by the present application, by setting a reinforcement plate on the rotating shaft bracket, setting an assembly gap between the wheel house inner plate and the rear floor, and by using the reinforcement plate to extend into the assembly gap, the contact area between the rotating shaft bracket and the wheel house inner plate and the rear floor is effectively increased, thereby greatly improving the connection strength of the rotating shaft bracket, so that the rotating shaft bracket has sufficient strength to resist the impact of the luggage box, etc. on the seat assembly. That is, the strength of the mounting point between the seat assembly and the vehicle body is improved, which is conducive to achieving a firm installation of the seat assembly and preventing the connection between the seat assembly and the vehicle body from failing, thereby greatly improving the safety of the passengers in the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 A partial structural schematic diagram of a car seat installation structure according to an embodiment of the present application;

[0018] Figure 2 An exploded view of a car seat mounting structure according to an embodiment of the present application;

[0019] Figure 3 A schematic diagram of the working of a car seat installation structure according to an embodiment of the present application;

[0020] Figure 4 for Figure 1 The enlarged view of point A in the middle;

[0021] Figure 5 for Figure 4 Sectional view at the middle BB;

[0022] Figure 6 A schematic diagram of the structure of a rotating shaft support according to an embodiment of the present application;

[0023] Figure 7 A schematic diagram of the structure of a matching bracket according to an embodiment of the present application;

[0024] Figure 8 A schematic diagram of the structure of a locking hook bracket according to an embodiment of the present application;

[0025] Fig. 9 A schematic diagram of the installation of a reinforcement bracket according to an embodiment of the present application;

[0026] Fig.10 for Fig. 9 Sectional view at CC;

[0027] Fig.11 for Fig. 9 Cross-sectional view at DD in the middle.

[0028] The symbols in the figure mean the following:

[0029] 100. Car seat installation structure; 10. Rear floor; 20. Wheel house inner plate; 201. Assembly gap; 202. Inside; 203. Outside; 204. Avoidance groove; 30. Rotating shaft bracket; 301. Mounting hole; 31. Reinforcement plate; 32. Mounting part; 33. Reinforcement part; 34. First reinforcing rib; 40. Lock hook bracket; 401. Positioning hole; 41. Seat lock hook; 42. Second reinforcing rib; 50. Reinforcement bracket; 51. Third reinforcing rib; 60. Seat assembly; 61. Car seat; 611. Seat cushion; 612. Backrest; 62. Matching bracket; 621. U-shaped body; 622. Connecting plate; 63. Rotating shaft. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0031] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are in contact indirectly through an intermediate medium. Moreover, a first feature being “above”, “above”, or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0035] At present, the front boundary of a car trunk is usually composed of the seat backs in the rear row. Therefore, when the car brakes suddenly due to a collision or other factors, due to inertia, items such as suitcases placed in the trunk will impact the seats forward, causing a large force to be applied to the connection point between the seats and the car body.

[0036] However, according to the existing CAE simulation analysis of the luggage compartment impact test, the connection strength of the mounting bracket at the connection between the rear seat and the body in the traditional structure is insufficient. When subjected to a large impact, the welds at the bracket will fail and the bracket will be deformed under force, which greatly affects the safety of the rear passengers.

[0037] See also Figure 1-Figure 11 In order to solve the problem of insufficient connection strength between the existing rear seats and the vehicle body, the present application provides a vehicle seat mounting structure 100. The vehicle seat mounting structure 100 includes a rear floor 10, a wheel cover inner plate 20 and a shaft bracket 30. The wheel cover inner plate 20 is arranged on opposite sides of the rear floor 10 and connected to the rear floor 10, and an assembly gap 201 is formed between the wheel cover inner plate 20 and the rear floor 10. The side of the wheel cover inner plate 20 close to the rear floor 10 is defined as the inner side 202, and the side of the wheel cover inner plate 20 away from the rear floor 10 is defined as the outer side 203. The shaft bracket 30 is arranged on the inner side 202 and connected to the wheel cover inner plate 20. The shaft bracket 30 is used to connect the seat assembly 60. Among them, the shaft bracket 30 includes a reinforcing plate 31 arranged at one end of the shaft bracket 30, and the reinforcing plate 31 extends into the assembly gap 201 and is respectively connected to the wheel cover inner plate 20 and the rear floor 10.

[0038] Specifically, Figure 2 and Figure 3 As shown, the seat assembly 60 includes a plurality of car seats 61 arranged side by side, and each car seat 61 includes a seat cushion 611 and a backrest 612. Further, among the plurality of car seats 61, the car seats 61 at both ends are connected with a matching bracket 62, and the matching bracket 62 is connected with a rotating shaft 63 for connecting the seat cushion 611 and the backrest 612, so that the seat cushion 611 and the backrest 612 can be rotatably connected through the rotating shaft 63, so that when the backrest 612 is laid down relative to the seat cushion 611, the space of the trunk can be increased to a certain extent. Among them, the matching bracket 62 and the rotating shaft bracket 30 are connected to each other, so as to realize the installation and fixation of the seat assembly 60.

[0039] The present application provides a reinforcing plate 31 on the pivot bracket 30, and provides an assembly gap 201 between the wheel house inner plate 20 and the rear floor 10, and by using the reinforcing plate 31 to extend into the assembly gap 201, the contact area between the pivot bracket 30 and the wheel house inner plate 20 and the rear floor 10 is effectively increased, thereby greatly improving the connection strength of the pivot bracket 30, so that the pivot bracket 30 has sufficient strength to resist the impact of the luggage box, etc. on the seat assembly 60. That is, the strength of the mounting point between the seat assembly 60 and the vehicle body is improved, which is conducive to achieving a firm installation of the seat assembly 60 and preventing the connection between the seat assembly 60 and the vehicle body from failing, thereby greatly improving the safety of the passengers in the vehicle.

[0040] It should be noted that the vehicle body here includes a wheel house inner plate 20 and a rear floor 10. Figure 1-Figure 3 Only one side of the wheel arch inner panel 20 is shown, while the other side is a basically symmetrical structure.

[0041] Furthermore, if Figure 4 and Figure 5 As shown, the rear floor 10 has two layers of plates, wherein the reinforcing plate 31 and the wheel house inner plate 20 are connected by two layers of welding, and the reinforcing plate 31 and the rear floor 10, and the wheel house inner plate 20 and the rear floor 10 are connected by three layers of welding, so as to further improve the welding strength and reduce the welding difficulty. Specifically, an avoidance groove 204 can be provided at a corresponding position on the wheel house inner plate 20 to reduce the welding difficulty of the three layers of welding between the reinforcing plate 31 and the rear floor 10.

[0042] In one embodiment, if Figure 4 and Figure 6 As shown, an assembly cavity (not shown) is formed between the rotating shaft bracket 30 and the wheel house inner plate 20, and a mounting hole 301 communicating with the assembly cavity is provided on the rotating shaft bracket 30, and the mounting hole 301 is used to connect with the seat assembly 60. That is, the present embodiment adopts a screw connection to realize the connection between the seat assembly 60 and the rotating shaft bracket 30, the overall connection is simple, and the connection strength between the seat assembly 60 and the rotating shaft bracket 30 can be ensured.

[0043] Furthermore, the automobile seat mounting structure 100 further includes a welding nut (not shown), which is disposed in the assembly cavity, and the welding nut is disposed corresponding to the mounting hole 301 and connected to the rotating shaft bracket 30. In this way, after passing through the mounting hole 301, fasteners such as bolts can directly cooperate with the welding nut thread, which greatly improves the assembly efficiency.

[0044] Since the shaft bracket 30 is fixedly connected to the matching bracket 62 on the seat assembly 60, in order to further reduce the difficulty of connecting the shaft bracket 30 and the matching bracket 62, in one embodiment, as shown in FIG. Figure 7 As shown, the matching bracket 62 includes a U-shaped body 621 and connecting plates 622 connected to both sides of the U-shaped opening, wherein the U-shaped body 621 is used to connect the rotating shaft 63, and the connecting plates 622 are used to match with the mounting holes 301 on the rotating shaft bracket 30 to achieve connection. In this way, there is a height difference between the mounting surfaces on the matching bracket 62 that are respectively connected to the rotating shaft 63 and the rotating shaft bracket 30, so that a certain installation space can be formed to facilitate the assembly and connection of fasteners, etc., and reduce the difficulty of assembling fasteners.

[0045] However, it is not limited thereto. In other embodiments, the shaft bracket 30 and the matching bracket 62 on the seat assembly 60 may also be connected by welding or other methods, as long as the same effect can be achieved.

[0046] In one embodiment, if Figure 6 As shown, the shaft bracket 30 also includes a mounting portion 32 and a reinforcement portion 33. The reinforcement portion 33 is disposed around at least a portion of the mounting portion 32 and connected to the mounting portion 32. Both the mounting portion 32 and the reinforcement portion 33 are connected to the wheel house inner plate 20. The mounting portion 32 is used to connect the seat assembly 60, and the reinforcement plate 31 is connected to the mounting portion 32.

[0047] It can be understood that by configuring the pivot bracket 30 to include a separately configured reinforcement portion 33 and mounting portion 32, on the one hand, the reinforcement portion 33 and the mounting portion 32 can be processed and formed separately, thereby facilitating the forming of features such as the assembly cavity and reducing the difficulty of overall forming. On the other hand, the mounting portion 32 can also achieve structural reinforcement through the reinforcement portion 33, thereby preventing the mounting portion 32 from being deformed and torn due to excessive force, and increasing the contact area between the mounting portion 32 and the wheel arch inner panel 20, thereby achieving a firm connection between the mounting portion 32 and the wheel arch inner panel 20, and further ensuring the reliability of the seat assembly 60 and the vehicle body mounting point.

[0048] Specifically, in this embodiment, the reinforcing portion 33 and the mounting portion 32 are fixedly connected by spot welding.

[0049] To further improve the connection reliability of the pivot bracket 30 , the mounting portion 32 and the reinforcing plate 31 may be configured as an integrally formed structure, thereby greatly improving the overall structural strength and preventing fracture failure at the connection between the reinforcing plate 31 and the mounting portion 32 .

[0050] In one embodiment, if Figure 2 and Figure 8 As shown, the automobile seat mounting structure 100 also includes a lock hook bracket 40, which is arranged on the inner side 202 and connected to the wheel housing inner plate 20. Among them, the lock hook bracket 40 is connected to a seat lock hook 41 for connecting with the seat assembly 60. The lock hook bracket 40 and the seat lock hook 41 are another mounting point of the seat assembly 60 and the vehicle body. The seat assembly 60 can achieve locking and limiting with the vehicle body through the lock hook bracket 40 and the seat lock hook 41, so as to prevent the backrest 612 from rotating relative to the seat cushion 611, and the safety is higher. In the working condition such as the need to increase the trunk space, the lock can be controlled to be released so that the backrest 612 can rotate relative to the seat cushion 611, so as to meet different usage requirements and improve convenience.

[0051] Specifically, the lock hook bracket 40 is fixed to the seat lock hook 41 and the wheel house inner plate 20 by welding.

[0052] Further, in one embodiment, if Figure 8 As shown, a positioning hole 401 is provided on the lock hook bracket 40. This facilitates the positioning and installation of the lock hook bracket 40, helps to improve the installation and matching accuracy between the lock hook bracket 40 and the seat lock hook 41 and the wheel housing inner plate 20, and further ensures the locking and matching accuracy between the seat lock hook 41 and the seat assembly 60.

[0053] To prevent the positioning hole 401 from being deformed due to welding between the locking hook bracket 40 and the seat locking hook 41, in one embodiment, the distance between the seat locking hook 41 and the positioning hole 401 is greater than or equal to 25 mm. In this way, the installation and matching accuracy of the locking hook bracket 40 can be further improved.

[0054] Exemplarily, the distance between the seat lock hook 41 and the positioning hole 401 can be set to 25 mm, 26 mm, 27 mm, 28 mm, 29 mm or 30 mm, etc., which are not listed here one by one.

[0055] In one embodiment, if Figure 2 and Fig. 9 As shown, the automobile seat mounting structure 100 further includes a reinforcing bracket 50, which is disposed on the outer side 203 and connected to the wheel house inner panel 20. The reinforcing bracket 50 can improve the structural rigidity and strength of the wheel house inner panel 20, and improve the bearing capacity of the wheel house inner panel 20. At the same time, the reinforcing bracket 50 can also improve the vibration resistance of the wheel house inner panel 20, reduce the road noise at the wheel house inner panel 20, and improve the comfort of the occupants.

[0056] Further, in one embodiment, if Fig. 9 and Fig.10 As shown, the projection of the reinforcing bracket 50 on the wheel house inner panel 20 at least partially overlaps with the projection of the locking hook bracket 40 on the wheel house inner panel 20. In this way, three-layer welding between the reinforcing bracket 50, the wheel house inner panel 20 and the locking hook bracket 40 can be achieved, further improving the welding strength of the locking hook bracket 40.

[0057] In another embodiment, if Fig. 9 and Fig.11 As shown, the projection of the reinforcing bracket 50 on the wheel house inner plate 20 at least partially overlaps with the projection of the shaft bracket 30 on the wheel house inner plate 20. In this way, three-layer welding between the reinforcing bracket 50, the wheel house inner plate 20 and the shaft bracket 30 can be achieved, further improving the welding strength of the shaft bracket 30.

[0058] Specifically, the mounting portion 32 and the reinforcing portion 33 on the rotating shaft bracket 30 are fixed to the reinforcing bracket 50 by three-layer welding.

[0059] In another embodiment, the projection of the reinforcing bracket 50 on the wheel arch inner panel 20 at least partially overlaps with the projection of the locking hook bracket 40 on the wheel arch inner panel 20 and the projection of the rotating shaft bracket 30 on the wheel arch inner panel 20, respectively, so as to greatly enhance the welding strength of the locking hook bracket 40 and the rotating shaft bracket 30.

[0060] In one embodiment, if Fig.10 and Fig.11 As shown, the shaft bracket 30 is provided with a first reinforcing rib 34 protruding in a direction away from the wheel house inner plate 20, the lock hook bracket 40 is provided with a second reinforcing rib 42 protruding in a direction away from the wheel house inner plate 20, and the reinforcing bracket 50 is provided with a third reinforcing rib 51 protruding in a direction away from the wheel house inner plate 20. By providing the first reinforcing rib 34, the second reinforcing rib 42 and the third reinforcing rib 51, the structural strength of the shaft bracket 30, the lock hook bracket 40 and the reinforcing bracket 50 can be improved, and the reliability of the connection can be further improved.

[0061] Since there is a gap between the end faces of the first reinforcing rib 34, the second reinforcing rib 42 and the third reinforcing rib 51 away from the wheel house inner panel 20, no welding is performed there. At the same time, the gap setting there can reduce deformation and other problems caused by welding heat conduction, and improve welding strength and safety.

[0062] To further ensure the safety of welding, the distance from the end surface of the first reinforcing rib 34, the second reinforcing rib 42 and the third reinforcing rib 51 away from the wheel house inner panel 20 to the wheel house inner panel 20 can be set to be greater than or equal to 3 mm.

[0063] Exemplarily, the distance from the end surface of the first reinforcing rib 34, the second reinforcing rib 42 and the third reinforcing rib 51 away from the wheel house inner panel 20 to the wheel house inner panel 20 can be set to 3 mm, 3.2 mm, 3.4 mm, 3.6 mm, 3.8 mm or 4 mm, etc., which are not listed here one by one.

[0064] The present application also provides a car, which includes the car seat mounting structure 100 described in any one of the above embodiments.

[0065] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0066] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of patent protection of the present application shall be subject to the attached claims.

Claims

1. A car seat installation structure, characterized in that: It comprises a rear floor (10), a wheel house inner plate (20) and a rotating shaft bracket (30), wherein the wheel house inner plate (20) is arranged on opposite sides of the rear floor (10) and connected to the rear floor (10), and an assembly gap (201) is formed between the wheel house inner plate (20) and the rear floor (10); The side of the wheel housing inner plate (20) close to the rear floor (10) is defined as the inner side (202), and the side of the wheel housing inner plate (20) away from the rear floor (10) is defined as the outer side (203). The shaft bracket (30) is disposed on the inner side (202) and connected to the wheel housing inner plate (20). The shaft bracket (30) is used to connect the seat assembly (60). Wherein, the rotating shaft bracket (30) includes a reinforcing plate (31) arranged at one end of the rotating shaft bracket (30), and the reinforcing plate (31) extends into the assembly gap (201) and is respectively connected to the wheel house inner plate (20) and the rear floor (10).

2. The vehicle seat mounting structure according to claim 1, characterized in that: The rotating shaft bracket (30) further comprises a mounting portion (32) and a reinforcing portion (33), wherein the reinforcing portion (33) is arranged around at least a portion of the circumference of the mounting portion (32) and is connected to the mounting portion (32), and both the mounting portion (32) and the reinforcing portion (33) are connected to the wheel house inner plate (20); Wherein, the mounting portion (32) is used to connect the seat assembly (60), and the reinforcing plate (31) is connected to the mounting portion (32).

3. The vehicle seat mounting structure according to claim 1, characterized in that: An assembly cavity is formed between the rotating shaft bracket (30) and the wheel housing inner plate (20), and a mounting hole (301) communicating with the assembly cavity is provided on the rotating shaft bracket (30), and the mounting hole (301) is used to be connected to the seat assembly (60); The automobile seat mounting structure also includes a welding nut, which is arranged in the assembly cavity, and the welding nut is arranged corresponding to the mounting hole (301) and connected to the rotating shaft bracket (30).

4. The vehicle seat installation structure according to claim 1, characterized in that: The automobile seat installation structure further comprises a locking hook bracket (40), wherein the locking hook bracket (40) is arranged on the inner side (202) and connected to the wheel housing inner plate (20); Wherein, the lock hook bracket (40) is connected to a seat lock hook (41) for connecting with the seat assembly (60).

5. The vehicle seat mounting structure according to claim 4, characterized in that: The locking hook bracket (40) is provided with a positioning hole (401).

6. The vehicle seat mounting structure according to claim 5, characterized in that: The distance between the seat lock hook (41) and the positioning hole (401) is greater than or equal to 25 mm.

7. The vehicle seat mounting structure according to claim 4, characterized in that: The automobile seat installation structure also includes a reinforcement bracket (50), wherein the reinforcement bracket (50) is arranged on the outer side (203) and connected to the wheel house inner plate (20).

8. The vehicle seat mounting structure according to claim 7, characterized in that: The projection of the reinforcing bracket (50) on the wheel house inner plate (20) at least partially overlaps with the projection of the rotating shaft bracket (30) on the wheel house inner plate (20); And / or, a projection of the reinforcing bracket (50) on the wheel house inner panel (20) at least partially overlaps with a projection of the locking hook bracket (40) on the wheel house inner panel (20).

9. The vehicle seat mounting structure according to claim 7, characterized in that: The rotating shaft bracket (30) is provided with a first reinforcing rib (34) protruding in a direction away from the wheel house inner plate (20), the locking hook bracket (40) is provided with a second reinforcing rib (42) protruding in a direction away from the wheel house inner plate (20), and the reinforcing bracket (50) is provided with a third reinforcing rib (51) protruding in a direction away from the wheel house inner plate (20); Wherein, the distances from the end faces of the first reinforcing rib (34), the second reinforcing rib (42) and the third reinforcing rib (51) away from the wheel house inner panel (20) to the wheel house inner panel (20) are all greater than or equal to 3 mm.

10. An automobile, characterized in that: It comprises the automobile seat mounting structure as claimed in any one of claims 1 to 9.

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