Safety belt retractor mounting structure and vehicle

By providing a reinforcing plate at the opening end of the installation plate of the seat belt retractor and connecting it to the side panel, the problem of insufficient installation structure strength in the prior art is solved, and the overall structural strength and connection of the seat belt retractor are significantly improved. Strength, reducing the risk of pull-out.

CN222372845UActive Publication Date: 2025-01-21GUANGZHOU AUTOMOBILE GROUP CO LTD
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Patent Information

Application Number
CN202420182699.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-24
Publication Date
2025-01-21
Estimated Expiration
2034-01-24

AI Technical Summary

Technical Problem

In the prior art, when the installation structure of the seat belt retractor is subject to the tension of the seat belt, the structural strength and the connection strength with the vehicle body are insufficient, especially when the vehicle collides or brakes suddenly, there is a risk of pulling off.

Method used

By providing a reinforcing plate at the open end of the mounting plate, the overall structural strength of the mounting bracket is enhanced, and by connecting the reinforcing plate with the side panels, the connection stability and strength between the mounting bracket and the side panels are improved, thereby enhancing the seat belt Overall structural strength between retractor and side panels.

Benefits of technology

It effectively enhances the overall structural strength of the seat belt retractor installation structure and the connection strength with the body, reducing the risk of pull-out during collision or sudden braking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety belt retractor installation structure and a vehicle. The safety belt retractor installation structure comprises a side coaming and an installation support. The installation support is arranged on the side surrounding plate and comprises an installation plate and a reinforcing plate, the installation plate is provided with an opening end, and the reinforcing plate is arranged at the opening end of the installation plate and connected to the side surrounding plate. According to the installation structure of the safety belt retractor, the reinforcing plate is arranged at the opening end of the installation plate, the overall structural strength of the installation support can be enhanced, the reinforcing plate is connected with the side surrounding plate, and the connection stability and the connection strength between the installation support and the side surrounding plate can be enhanced; therefore, the overall structural strength of the cooperation between the safety belt retractor and the side coaming can be enhanced.
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Description

Technical Field

[0001] The utility model relates to the field of vehicles, in particular to a safety belt retractor installation structure and a vehicle. Background Art

[0002] Seat belts are important protective measures on vehicles. Seat belts are stored or released through seat belt retractors. Some seat belt retractors are installed on the side panels of the vehicle body through mounting brackets. In the related art, during the use of seat belts, the seat belt retractor will be subjected to the tension of the seat belt, so that the mounting structure of the seat belt retractor is also subjected to the tension of the seat belt. Especially when the vehicle encounters a collision or sudden braking during driving, the mounting structure of the seat belt retractor is subjected to greater tension, which requires the mounting structure to have higher structural strength and connection strength with the vehicle body. Therefore, how to enhance the strength of the mounting structure of the seat belt retractor and the connection strength with the vehicle body needs to be solved urgently. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a seat belt retractor mounting structure, wherein the seat belt retractor mounting structure can enhance the overall structural strength of the mounting bracket by providing a reinforcing plate at the open end of the mounting plate, and can enhance the connection stability and connection strength between the mounting bracket and the side panel by connecting the reinforcing plate to the side panel, thereby enhancing the overall structural strength of the seat belt retractor and the side panel.

[0004] The utility model also provides a vehicle with the seat belt retractor installation structure.

[0005] According to the first aspect of the present invention, the seat belt retractor mounting structure includes: a side panel; a mounting bracket, which is arranged on the side panel and includes a mounting plate and a reinforcing plate, the mounting plate is provided with an open end, the reinforcing plate is arranged at the open end of the mounting plate, and the reinforcing plate is connected to the side panel.

[0006] According to the seat belt retractor mounting structure of the embodiment of the utility model, a reinforcing plate is provided at the open end of the mounting plate, so that the overall structural strength of the mounting bracket can be enhanced, and by connecting the reinforcing plate to the side panel, the connection stability and connection strength between the mounting bracket and the side panel can be enhanced, thereby enhancing the overall structural strength of the cooperation between the seat belt retractor and the side panel.

[0007] According to some embodiments of the utility model, a cavity with one side open is defined between the mounting plate and the side panel, and the open side of the cavity is an open end. The mounting plate is used to install a seat belt retractor and includes a mounting plate body and a connecting flange connected to the outer edge of the mounting plate body, and the connecting flange is connected to the side panel.

[0008] According to some embodiments of the present invention, the side panel includes a D-pillar inner panel, the D-pillar inner panel has a first mounting surface, and the connecting flange includes a first connecting flange, and the first connecting flange is welded to the first mounting surface along the Y direction.

[0009] According to some embodiments of the utility model, the D-pillar inner plate has a second mounting surface, the connecting flange includes a second connecting flange, the second connecting flange and the first connecting flange are arranged along the circumference of the mounting plate body, and the second connecting flange is welded to the second mounting surface along the Z direction.

[0010] According to some embodiments of the utility model, the connecting flange includes a third connecting flange, and in the circumferential direction of the mounting plate body, the second connecting flange is located between the first connecting flange and the third connecting flange, the opening end is located between the first connecting flange and the third connecting flange, and the opening end and the second connecting flange are located on opposite sides of the mounting plate body.

[0011] According to some embodiments of the present utility model, the side panel includes a D-pillar inner panel, the D-pillar inner panel includes a D-pillar upper inner panel and a D-pillar lower inner panel, the D-pillar upper inner panel includes a first connecting portion, the D-pillar lower inner panel includes a second connecting portion, the first connecting portion and the second connecting portion are stacked and welded together; the connecting flange includes a second connecting flange, the second connecting flange is stacked with the first connecting portion and the second connecting portion, the second connecting flange is located on a side of the first connecting portion away from the second connecting portion and is welded together with the first connecting portion.

[0012] According to some embodiments of the utility model, a positioning notch is formed at the opening end, and the seat belt retractor includes a positioning piece, and the positioning piece cooperates with the positioning notch; and an avoidance opening connected to the positioning notch is formed on the reinforcing plate.

[0013] According to some embodiments of the utility model, the reinforcing plate includes a reinforcing plate body and a reinforcing fixing portion, the reinforcing plate body is connected to the opening end and extends along the Z direction, the reinforcing fixing portion is connected to an end of the reinforcing plate body away from the opening end and has an angle with the reinforcing plate body, the side panel includes a D-pillar inner panel, and the reinforcing fixing portion is connected to the D-pillar inner panel.

[0014] According to some embodiments of the utility model, the reinforced fixing portion includes two fixing portions arranged at intervals and a reinforcing portion connected between the two fixing portions, the fixing portion is welded to the D-pillar inner panel, and the reinforcing portion protrudes in a direction away from the D-pillar inner panel to form a reinforcing bulge.

[0015] According to some embodiments of the present invention, the reinforcing plate and the mounting plate are formed integrally.

[0016] According to some embodiments of the present invention, a mounting hole for mounting the seat belt retractor is provided on the mounting plate.

[0017] A vehicle according to an embodiment of the second aspect of the utility model comprises: a seat belt retractor mounting structure according to the embodiment of the first aspect of the utility model.

[0018] According to the vehicle of the embodiment of the utility model, by providing the above-mentioned seat belt retractor installation structure, the overall structural strength of the cooperation between the seat belt retractor and the side panel can be enhanced.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a schematic diagram of the assembly of the side panel and the mounting bracket of the seat belt retractor mounting structure according to some embodiments of the utility model;

[0022] Figure 2 yes Figure 1 The assembly diagram of the side panel, mounting bracket and seat belt retractor in FIG.

[0023] Figure 3 yes Figure 1 A schematic diagram of the assembly of the side panel, the mounting bracket and the second angle of the seat belt retractor;

[0024] Figure 4 yes Figure 1 Schematic diagram of the assembly of the side panel, the mounting bracket and the third angle of the seat belt retractor.

[0025] Reference numerals:

[0026] 100. Seat belt retractor installation structure;

[0027] 1. Side panel; 11. D-pillar inner panel; 111. D-pillar upper inner panel; 112. D-pillar lower inner panel; 12. First mounting surface; 13. Second mounting surface;

[0028] 2. Mounting bracket; 21. Mounting plate; 211. Mounting plate body; 212. Connecting flange; 213. Cavity; 214. First connecting flange; 215. Second connecting flange; 216. Third connecting flange; 217. Positioning notch; 218. Mounting hole; 22. Reinforcement plate; 221. Reinforcement plate body; 222. Reinforced fixing portion; 223. Fixing portion; 224. Reinforced portion; 225. Reinforced convex bulge;

[0029] 3. Seat belt retractor; 31. Positioning piece. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] Reference below Figure 1-Figure 4 A seat belt retractor mounting structure 100 according to an embodiment of the present invention is described.

[0032] Reference Figure 1 According to the first embodiment of the utility model, the seat belt retractor mounting structure 100 includes a side panel 1 and a mounting bracket 2. The mounting bracket 2 is arranged on the side panel 1 and includes a mounting plate 21 and a reinforcing plate 22. The mounting plate 21 is provided with an open end, and the reinforcing plate 22 is arranged at the open end of the mounting plate 21. The reinforcing plate 22 is connected to the side panel 1. The reinforcing plate 22 is arranged at the open end of the mounting plate 21 and is connected to the side panel 1, so that the overall structure of the mounting bracket 2 is closed, which can improve the overall structural strength of the mounting bracket 2, and can further increase the contact area between the mounting bracket 2 and the side panel 1, which can further enhance the overall structural strength and rigidity of the mounting bracket 2 and the side panel 1, and can further improve the connection stability and connection strength between the mounting bracket 2 and the side panel 1.

[0033] According to the seat belt retractor mounting structure 100 of the embodiment of the utility model, a reinforcing plate 22 is provided at the open end of the mounting plate 21, so that the overall structural strength of the mounting bracket 2 can be enhanced, and by connecting the reinforcing plate 22 to the side panel 1, the connection stability and connection strength between the mounting bracket 2 and the side panel 1 can be enhanced, thereby enhancing the overall structural strength of the cooperation between the seat belt retractor 3 and the side panel 1.

[0034] Reference Figure 1 According to some embodiments of the utility model, a cavity 213 with one side open is defined between the mounting plate 21 and the side panel 1, and the open side of the cavity 213 is an open end. The mounting plate 21 is used to mount the seat belt retractor 3 and includes a mounting plate body 211 and a connecting flange 212 connected to the outer edge of the mounting plate body 211, and the connecting flange 212 is connected to the side panel 1. The mounting plate 21 is used to mount the seat belt retractor 3. By ensuring that the connection stability and connection strength between the safety plate 21 and the side panel 1 are sufficient, the overall structural strength and rigidity of the seat belt retractor 3 and the side panel 1 can be improved, thereby reducing the risk of the seat belt retractor 3 being pulled off.

[0035] For example, the mounting plate 21 may be provided with a mounting hole 218, and the seat belt retractor 3 may be a bolt passing through the mounting hole 218 and a nut, so as to complete the threaded connection between the seat belt retractor 3 and the mounting bracket 2. The assembly process of the seat belt retractor 3 on the side panel 1 may be: firstly, the mounting plate 21 is connected to the side panel 1, and then the nut is pushed into the mounting hole 218 of the mounting plate 21 through the open end, so that the bolt is sequentially passed through the mounting hole 218 and the nut located on the side of the mounting hole 218 away from the seat belt retractor 3, so as to complete the threaded connection, and the assembly process of the seat belt retractor 3 on the mounting plate 21 is completed.

[0036] Furthermore, a cavity 213 with one side open is defined between the mounting plate 21 and the side panel 1, and the open side of the cavity 213 is an open end. The mounting plate 21 includes a mounting plate body 211 and a connecting flange 212 connected to the outer edge of the mounting plate body 211, and the connecting flange 212 is connected to the side panel 1. The connecting flange 212 can improve the overall structural strength of the mounting plate 21 to a certain extent, and the connection of the connecting flange 212 to the side panel 1 can increase the contact area between the mounting plate 21 and the side panel 1, thereby enhancing the connection stability and connection strength between the mounting plate 21 and the side panel 1, and further improving the connection strength and connection stability between the mounting bracket 2 and the side panel 1, thereby enhancing the overall structural strength of the seat belt retractor 3 and the side panel 1.

[0037] Reference Figure 1According to some embodiments of the utility model, the side panel 1 includes a D-pillar inner panel 11, the D-pillar inner panel 11 has a first mounting surface 12, and the connecting flange 212 includes a first connecting flange 214, and the first connecting flange 214 is welded and connected to the first mounting surface 12 along the Y direction. The first connecting flange 214 can improve the overall structural strength of the mounting plate 21 to a certain extent; the first connecting flange 214 is welded and connected to the first mounting surface 12 along the Y direction, which can make the connection between the first connecting flange 214 and the first mounting surface 12 simple and have strong stability, and can enhance the overall structural strength of the mounting plate 21 and the D-pillar inner panel 11 and the stability in the Y direction, and can avoid the situation where the dynamic stiffness does not meet the standard due to the shaking of the mounting bracket 2 along the Y direction.

[0038] The Y direction is the Y direction in the vehicle coordinate system (for example, the Y direction may be the width direction of the vehicle).

[0039] Reference Figure 1 According to some embodiments of the present invention, the D-pillar inner plate 11 has a second mounting surface 13, the connecting flange 212 includes a second connecting flange 215, the second connecting flange 215 and the first connecting flange 214 are arranged along the circumference of the mounting plate body 211, and the second connecting flange 215 is welded and connected to the second mounting surface 13 along the Z direction. The second connecting flange 215 can improve the overall structural strength of the mounting plate 21 to a certain extent; the second connecting flange 215 is welded and connected to the second mounting surface 13 along the Z direction, which can make the connection between the second connecting flange 215 and the second mounting surface 13 simple and have strong stability, and can enhance the overall structural strength and Z-direction stability of the mounting plate 21 and the D-pillar inner plate 11.

[0040] The Z direction is the Z direction in the whole vehicle coordinate system (for example, the Z direction may be the height direction of the whole vehicle).

[0041] Reference Figure 1 According to some embodiments of the present invention, the connecting flange 212 includes a third connecting flange 216. In the circumferential direction of the mounting plate body 211, the second connecting flange 215 is located between the first connecting flange 214 and the third connecting flange 216, the open end is located between the first connecting flange 214 and the third connecting flange 216, and the open end and the second connecting flange 215 are located on opposite sides of the mounting plate body 211. The third connecting flange 216 can further enhance the overall structural strength of the mounting plate 21.

[0042] For example, the third connecting flange 216 can be welded to the second mounting surface 13 of the D-pillar inner panel 11 along the Z direction, which can further enhance the overall structural strength and Z-direction stability of the mounting plate 21 and the D-pillar inner panel 11, and thereby improve the connection strength and stability between the mounting bracket 2 and the side panel 1.

[0043] Reference Figure 1 According to some embodiments of the utility model, the side panel 1 includes a D-pillar inner panel 11, the D-pillar inner panel 11 includes a D-pillar upper inner panel 111 and a D-pillar lower inner panel 112, the D-pillar upper inner panel 111 includes a first connection portion, the D-pillar lower inner panel 112 includes a second connection portion, and the first connection portion and the second connection portion are stacked and welded. The first connection portion and the second connection portion are stacked and welded, which can make the connection between the D-pillar upper inner panel 111 and the D-pillar lower inner panel 112 simple and have strong stability, can improve the connection strength between the D-pillar upper inner panel 111 and the D-pillar lower inner panel 112, and can enhance the overall structural strength and rigidity of the D-pillar upper inner panel 111 and the D-pillar lower inner panel 112.

[0044] Further, the connecting flange 212 includes a second connecting flange 215, the second connecting flange 215 is arranged to overlap with the first connecting part and the second connecting part, and the second connecting flange 215 is located on the side of the first connecting part away from the second connecting part and is welded to the first connecting part. The connection method between the second connecting flange 215 and the first connecting part can be simple and have strong stability. Further, the second connecting flange 215 is arranged to overlap with the first connecting part and the second connecting part, and a three-layer plate connection structure of the D-pillar lower inner plate 112, the D-pillar upper inner plate 111 and the mounting plate 21 can be formed, and the overall structure is tight, which can optimize the force transmission path, thereby improving the bending and torsional rigidity of the body in white; and the overall structural strength and rigidity of the second connecting flange 215 and the D-pillar upper inner plate 111 and the D-pillar lower inner plate 112 can be enhanced, and the connection strength and connection stability of the second connecting flange 215 and the D-pillar upper inner plate 111 and the D-pillar lower inner plate 112 can be improved, thereby enhancing the connection stability and connection strength between the mounting bracket 2 and the side panel 1.

[0045] Reference Figure 1 and Figure 3 According to some embodiments of the utility model, a positioning notch 217 is formed at the opening end, and the seat belt retractor 3 includes a positioning member 31, and the positioning member 31 cooperates with the positioning notch 217; a relief opening connected with the positioning notch 217 is formed on the reinforcing plate 22. The positioning notch 217 can play a positioning role in the installation of the seat belt retractor 3, and the cooperation between the positioning member 31 and the positioning notch 217 can further ensure the accurate assembly position of the seat belt retractor 3. The relief opening connected with the positioning notch 217 is formed on the reinforcing plate 22, which can play a relief role in the installation of the seat belt retractor 3, and can make the assembly of the seat belt retractor 3 smoother.

[0046] Reference Figure 1 and Figure 3According to some embodiments of the utility model, the reinforcing plate 22 includes a reinforcing plate 22 body and a reinforcing fixing portion 222, the reinforcing plate 22 body is connected to the opening end and extends along the Z direction, the reinforcing fixing portion 222 is connected to one end of the reinforcing plate 22 body away from the opening end and has an angle with the reinforcing plate 22 body, and the side panel 1 includes a D-pillar inner panel 11, and the reinforcing fixing portion 222 is connected to the D-pillar inner panel 11. The reinforcing plate 22 body is connected to the opening end and extends along the Z direction, and can be connected to the D-pillar upper inner panel 111 to form a two-layer plate structure, so that the overall structure of the mounting bracket 2 is closed, and the front and rear echoes with the connecting flange 212 to form a Z-direction connection, so that the overall structure of the mounting bracket 2 is more enveloping, and the local strength and rigidity of the mounting bracket 2 can be effectively improved, thereby improving the connection stability and connection strength between the mounting bracket 2 and the side panel 1, thereby reducing the risk of the seat belt retractor 3 being pulled off.

[0047] Among them, the reinforcing fixing portion 222 can improve the overall structural strength of the reinforcing plate 22 to a certain extent; the reinforcing fixing portion 222 is connected to the D-pillar inner panel 11, which can increase the contact area between the reinforcing plate 22 and the D-pillar inner panel 11, and can enhance the overall structural strength and rigidity of the reinforcing plate 22 and the D-pillar inner panel 11, thereby improving the connection stability and connection strength between the mounting bracket 2 and the side panel 1 as a whole.

[0048] Reference Figure 1 According to some embodiments of the present invention, the reinforcing fixing portion 222 includes two fixing portions 223 spaced apart and a reinforcing portion 224 connected between the two fixing portions 223. The fixing portion 223 is welded to the D-pillar inner panel 11, and the reinforcing portion 224 protrudes in a direction away from the D-pillar inner panel 11 to form a reinforcing convex bump 225. The fixing portion 223 is welded to the D-pillar inner panel 11, and the connection method is simple, and the connection stability between the fixing portion 223 and the D-pillar inner panel 11 can be enhanced.

[0049] Among them, the reinforcing portion 224 protrudes in the direction away from the D-pillar inner panel 11 to form a reinforcing bulge 225, which can improve the overall structural strength of the reinforcing fixing portion 222 to a certain extent, and can make the overall structure of the reinforcing fixing portion 222 and the D-pillar inner panel 11 more compact, and can enhance the stability of the cooperation between the reinforcing fixing portion 222 and the D-pillar inner panel 11.

[0050] Reference Figure 1 and Figure 2 According to some embodiments of the present invention, the reinforcing plate 22 and the mounting plate 21 are integrally formed, which can improve the overall structural strength of the reinforcing plate 22 and the mounting plate 21 and eliminate the assembly process between the reinforcing plate 22 and the mounting plate 21.

[0051] Reference Figure 1 and Figure 4According to some embodiments of the present invention, a mounting hole 218 for mounting the seat belt retractor 3 is provided on the mounting plate 21. The mounting hole 218 can play a role in mounting and fixing the seat belt retractor 3.

[0052] For example, a mounting hole 218 may be provided on the mounting plate body 211 of the mounting plate 21. When the seat belt retractor 3 and the mounting plate body 211 are assembled, they may be threadedly connected by bolts, and the nuts may be pushed to the mounting holes 218 through the open ends, so that the bolts are sequentially passed through the seat belt retractor 3 and the mounting holes 218, and threadedly connected to the nuts located at the mounting holes 218, thereby completing the assembly process between the seat belt retractor 3 and the mounting plate body 211.

[0053] A vehicle according to an embodiment of the second aspect of the utility model comprises: a seat belt retractor mounting structure 100 according to the embodiment of the first aspect of the utility model.

[0054] According to the vehicle of the embodiment of the utility model, by providing the above-mentioned seat belt retractor installation structure 100, the overall structural strength of the cooperation between the seat belt retractor 3 and the side panel 1 can be enhanced.

[0055] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A seat belt retractor installation structure, characterized in that: include: Side panels; The mounting bracket is arranged on the side panel and comprises a mounting plate and a reinforcing plate. The mounting plate is provided with an open end. The reinforcing plate is arranged at the open end of the mounting plate. The reinforcing plate is connected to the side panel.

2. The seat belt retractor installation structure according to claim 1, characterized in that: A cavity with one side open is defined between the mounting plate and the side panel, and the open side of the cavity is an open end. The mounting plate is used to install a seat belt retractor and includes a mounting plate body and a connecting flange connected to the outer edge of the mounting plate body, and the connecting flange is connected to the side panel.

3. The seat belt retractor installation structure according to claim 2, characterized in that: The side panel includes a D-pillar inner panel, the D-pillar inner panel has a first mounting surface, the connecting flange includes a first connecting flange, and the first connecting flange is welded to the first mounting surface along the Y direction.

4. The seat belt retractor mounting structure according to claim 3, characterized in that: The D-pillar inner plate has a second mounting surface, the connecting flange includes a second connecting flange, the second connecting flange and the first connecting flange are arranged along the circumference of the mounting plate body, and the second connecting flange is welded to the second mounting surface along the Z direction.

5. The seat belt retractor mounting structure according to claim 4, characterized in that: The connecting flange includes a third connecting flange. In the circumferential direction of the mounting plate body, the second connecting flange is located between the first connecting flange and the third connecting flange. The opening end is located between the first connecting flange and the third connecting flange. The opening end and the second connecting flange are located on opposite sides of the mounting plate body.

6. The seat belt retractor mounting structure according to claim 2, characterized in that: The side panel includes a D-pillar inner panel, the D-pillar inner panel includes a D-pillar upper inner panel and a D-pillar lower inner panel, the D-pillar upper inner panel includes a first connecting portion, the D-pillar lower inner panel includes a second connecting portion, the first connecting portion and the second connecting portion are stacked and welded; The connecting flange includes a second connecting flange, the second connecting flange is overlapped with the first connecting portion and the second connecting portion, the second connecting flange is located on a side of the first connecting portion away from the second connecting portion and is welded to the first connecting portion.

7. The seat belt retractor mounting structure according to claim 2, characterized in that: The opening end is formed with a positioning notch, the seat belt retractor includes a positioning piece, and the positioning piece cooperates with the positioning notch; and the reinforcing plate is formed with an avoidance opening connected with the positioning notch.

8. The seat belt retractor mounting structure according to claim 1, characterized in that: The reinforcing plate includes a reinforcing plate body and a reinforcing fixing portion, the reinforcing plate body is connected to the opening end and extends along the Z direction, the reinforcing fixing portion is connected to an end of the reinforcing plate body away from the opening end and has an angle with the reinforcing plate body, the side panel includes a D-pillar inner panel, and the reinforcing fixing portion is connected to the D-pillar inner panel.

9. The seat belt retractor mounting structure according to claim 8, characterized in that: The reinforcing fixing portion includes two fixing portions arranged at intervals and a reinforcing portion connected between the two fixing portions. The fixing portion is welded to the D-pillar inner plate. The reinforcing portion protrudes in a direction away from the D-pillar inner plate to form a reinforcing bulge.

10. The seat belt retractor installation structure according to any one of claims 1 to 9, characterized in that: The reinforcing plate is integrally formed with the mounting plate; and / or, the mounting plate is provided with a mounting hole for mounting the seat belt retractor.

11. A vehicle, characterized in that: include: A seat belt retractor mounting structure according to any one of claims 1 to 10.

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