Safety belt retractor mounting plate structure

By optimizing the structural design of the seat belt mounting plate, including the welding connection and reinforcing ribs of the base plate, side plates and middle plate, the problems of complex installation structure and insufficient strength in the existing technology have been solved, the rigidity and strength of the mounting point have been improved, and the safety and comfort of passengers have been ensured.

CN223982502UActive Publication Date: 2026-03-10CHERY AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In the existing technology, the installation structure of the rear seat belt retractor in three-box vehicles is complex, with a large number of welds and poor consistency, resulting in poor local rigidity, which easily leads to abnormal noise and weld cracking, affecting passenger safety and comfort.

Method used

The seat belt mounting plate adopts a three-sided right-angle structure, including a bottom plate, side plates and a middle plate. It is connected to multiple parts of the main frame by welding, and a reinforcing rib is set between the middle plate and the side plates. The cross-section of the middle plate is wavy to enhance shear resistance, and a gap is left between the bottom plate and the side plates to optimize the stress path.

Benefits of technology

The increased rigidity and strength of the seatbelt mounting points reduced the risk of abnormal noises and weld cracking, ensuring passenger safety and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety belt retractor mounting plate structure which comprises a frame body and a safety belt mounting plate (1), the safety belt mounting plate (1) is divided into a bottom plate (101), a side plate (102) and a middle plate (103), the bottom plate (101) and the side plate (102) are arranged on the middle plate (103), the bottom plate (101) is perpendicular to the side plate (102), the bottom plate (101) is perpendicular to the middle plate (103), and the side plate (102) is arranged on the middle plate (103). The side plates (102) and the middle plate (103) are perpendicular to each other, and the safety belt mounting plate (1) is arranged in a frame body and welded in the frame body. The structure of the safety belt mounting plate (1) with three right-angled sides is arranged and connected with the frame body, and the stress path of the structure is optimized and improved, so that the rigidity and strength of a safety belt mounting point can be improved while the overall rigidity modal performance of a vehicle body is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the vehicle technical field, specifically, the utility model relates to a safety belt winder mounting plate structure. BACKGROUND

[0002] For three-box vehicle rear row two sides safety belt winder mounting structure, in the previous vehicle model structure design is more complex, the number of welding spots is more and the consistency is poor, once have occurred because local stiffness difference and lead to real vehicle road test abnormal noise phenomenon, in addition to the safety belt fixed point strength test cracking failure problem is also more prominent, thereby endangering passenger safety, reducing passenger comfort feeling.

[0003] Patent No. 202020748070.6, published on February 23, 2021, discloses a safety belt winder mounting support structure, including a mounting plate and a support plate, the mounting plate is connected with the support plate, at least three mounting plate flanges are arranged on the mounting plate, and at least three mounting plate flanges are arranged on at least three sides of the mounting plate, wherein one of the mounting plate flanges is provided with a mounting plate bending, and the support plate is arranged in a bent shape. In addition, the utility model also discloses a safety belt winder fixing assembly and a vehicle with the above safety belt winder mounting support structure. The mounting support structure provided by the utility model can ensure the stability of the safety belt winder installation, and will not produce vibration or fracture during vehicle driving or under external force, and will not produce abnormal noise, ensuring the safety and comfort of the user during use of the safety belt.

[0004] In the prior art, the safety belt mounting structure of the previous vehicle model is prone to problems such as low local stiffness modal, abnormal noise during road test, insufficient strength of the winder mounting structure, and cracking of the welding points. Utility model content

[0005] The utility model aims at providing a safety belt winder mounting plate structure which effectively improves the stiffness and strength of the mounting point.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme of a safety belt winder mounting plate structure, including a vehicle frame main body and a safety belt mounting plate, the safety belt mounting plate is divided into a bottom plate, a side plate and an intermediate plate, the bottom plate and the side plate are arranged on the intermediate plate, the bottom plate and the side plate are perpendicular to each other, the bottom plate and the intermediate plate are perpendicular to each other, the side plate and the intermediate plate are perpendicular to each other, and the safety belt mounting plate is arranged in the vehicle frame main body.

[0007] The frame body is wrapped with a left support, a left C-column upper inner plate, a left side wall outer plate, a left rear back door hinge mounting plate and a left C-column lower connecting plate, the bottom plate is mounted on the left support and the left C-column lower connecting plate, the side plate is mounted on the left C-column upper inner plate, and the middle plate is mounted on the left rear back door hinge mounting plate.

[0008] The bottom plate is welded on the left support and the left C-column lower connecting plate, and has no less than one welding spot on the bottom plate.

[0009] The bottom plate is in a stepped shape.

[0010] A seat belt retractor fixing hole is arranged on the bottom plate.

[0011] A gap exists between the side plate and the bottom plate, and the side plate is welded on the left rear back door hinge mounting plate.

[0012] The middle plate is welded on the left rear back door hinge mounting plate, and a reinforcing rib is arranged between the side plate and the middle plate.

[0013] The middle plate is in a wave shape in cross section.

[0014] An end of the middle plate is bent, and the end of the middle plate is in surface fit with the left C-column upper inner plate.

[0015] The technical effect of the utility model is that under the premise of ensuring the overall rigidity modal performance of a vehicle body, a seat belt retractor mounting plate structure is provided, the stress path is optimized and improved by effectively utilizing the self structure of the mounting plate, so that the local mounting point rigidity and strength are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present specification includes the following drawings, and the shown contents are respectively:

[0017] Figure 1 It is a structure schematic view of the utility model kind safety belt retractor mounting plate structure;

[0018] Figure 2 It is Figure 1 It is a safety belt mounting plate schematic view of the utility model kind safety belt retractor mounting plate structure;

[0019] Figure 3 It is Figure 1 It is a safety belt mounting plate cross-sectional schematic view of the utility model kind safety belt retractor mounting plate structure;

[0020] Figure 4 It is Figure 1 It is a safety belt mounting plate installation schematic view of the utility model kind safety belt retractor mounting plate structure.

[0021] Marked in the figure: 1, safety belt mounting plate; 101, bottom plate; 102, side plate; 103, middle plate; 2, parcel shelf left support; 3, left C column upper inner plate; 4, left side rear back plate hinge mounting plate; 5, left C column lower connecting plate; 6, safety belt retractor fixing hole; 7, reinforcing rib. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model are further described below with reference to the drawings through the description of the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and in-depth understanding of the utility model concept, technical scheme of the utility model, and help its implementation.

[0023] Please refer to Figures 1-4 A safety belt retractor mounting plate structure, including frame body and safety belt mounting plate 1, safety belt mounting plate 1 is divided into bottom plate 101, side plate 102 and middle plate 103, bottom plate 101 and side plate 102 are arranged on middle plate 103, bottom plate 101 and side plate 102 are perpendicular to each other, bottom plate 101 and middle plate 103 are perpendicular to each other, side plate 102 and middle plate 103 are perpendicular to each other, and safety belt mounting plate 1 is arranged in frame body; By setting the safety belt mounting plate 1 structure of three straight angles, and being connected with frame body, and by optimizing the stress path of its own structure, the safety belt mounting point stiffness and strength can be improved while the overall stiffness modal performance of the vehicle body is ensured.

[0024] Frame body parcel shelf left support 2, left C column upper inner plate 3, left side wall outer plate, left side rear back door hinge mounting plate and left C column lower connecting plate 5, bottom plate 101 is installed on parcel shelf left support 2 and left C column lower connecting plate 5, side plate 102 is installed on left C column upper inner plate 3, and middle plate 103 is installed on left side rear back door hinge mounting plate; The three plate blocks of safety belt mounting plate 1 are connected with each component of frame body, so that the overall structure is installed more firmly.

[0025] Bottom plate 101 is welded on parcel shelf left support 2 and left C column lower connecting plate 5, and bottom plate 101 has no less than one welding spot; bottom plate 101 is welded on parcel shelf left support 2 and left C column lower connecting plate 5 by welding, and there are multiple welding spots on bottom plate 101, which can be better fixed.

[0026] Bottom plate 101 is in the form of a step; so that bottom plate 101 can better fit the surface of parcel shelf left support 2, so that the structure connection is more closely, and the stability of fixation is improved.

[0027] Safety belt retractor fixing hole 6 is arranged on bottom plate 101; it is convenient for subsequent safety belt installation.

[0028] There is a gap between the side panel 102 and the bottom plate 101. The side panel 102 is welded to the left rear door hinge mounting plate. Welding is used to connect the side panel 102 and the left rear door hinge mounting plate to improve the connection strength.

[0029] The middle plate 103 is welded to the left rear door hinge mounting plate, and a reinforcing rib 7 is provided between the side plate 102 and the middle plate 103; the reinforcing rib 7 can improve the strength between the middle plate 103 and the side plate 102, reduce the risk of breakage, and at the same time, the welding method can improve the connection strength.

[0030] The cross-section of the intermediate plate 103 is wavy; this increases its strength against transverse shear forces.

[0031] The end of the middle plate 103 is bent, and the end of the middle plate 103 is in contact with the surface of the inner plate 3 on the left C-pillar; so that the middle plate 103 can be tightly fitted with the inner plate 3 on the left C-pillar, increasing the connection strength.

[0032] The technical effect of this utility model is as follows: under the premise of ensuring the overall stiffness modal performance of the vehicle body, a seat belt retractor mounting plate structure is provided, which effectively utilizes the mounting plate's own structure to optimize and improve the force path, thereby achieving the purpose of improving the stiffness and strength of the local mounting point.

[0033] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A seat belt retractor mounting plate structure characterized by: The application relates to a safety belt mounting plate (1) which is arranged in a vehicle frame body and comprises a bottom plate (101), a side plate (102) and an intermediate plate (103), wherein the bottom plate (101) and the side plate (102) are arranged on the intermediate plate (103), the bottom plate (101) is perpendicular to the side plate (102), the bottom plate (101) is perpendicular to the intermediate plate (103), and the side plate (102) is perpendicular to the intermediate plate (103).

2. A seat belt retractor mounting plate structure according to claim 1, characterized in that: The vehicle frame body comprises a parcel shelf left support (2), a left C-pillar upper inner plate (3), a left side wall outer plate, a left rear back door hinge mounting plate and a left C-pillar lower connecting plate (5), the bottom plate (101) is arranged on the parcel shelf left support (2) and the left C-pillar lower connecting plate (5), the side plate (102) is arranged on the left C-pillar upper inner plate (3), and the intermediate plate (103) is arranged on the left rear back door hinge mounting plate.

3. The seat belt retractor mounting plate structure of claim 2, wherein: The bottom plate (101) is welded on the parcel shelf left support (2) and the left C-pillar lower connecting plate (5), and the bottom plate (101) is provided with no less than one welding spot.

4. The seat belt retractor mounting plate structure of claim 3, wherein: The bottom plate (101) is in a stepped shape.

5. A belt retractor mounting plate structure according to claim 1 or 2 or 4, characterized in that: The bottom plate (101) is provided with a safety belt retractor fixing hole (6).

6. The seat belt retractor mounting plate structure of claim 2, wherein: The side plate (102) is arranged on the left rear back door hinge mounting plate.

7. The seat belt retractor mounting plate structure of claim 2 wherein: The intermediate plate (103) is welded on the left rear back door hinge mounting plate, and a reinforcing rib (7) is arranged between the side plate (102) and the intermediate plate (103).

8. A belt retractor mounting plate structure according to claim 1 or 2 or 7, characterized in that: The intermediate plate (103) is in a wave shape in cross section.

9. The seat belt retractor mounting plate structure of claim 8 wherein: The end of the intermediate plate (103) is bent, and the end of the intermediate plate (103) is in close contact with the surface of the left C-pillar upper inner plate (3).

Citation Information

Patent Citations

  • Safety belt retractor mounting and supporting structure, fixing assembly and vehicle

    CN212579799U