Sliding door sealing structure and vehicle

By setting a first sealing strip in contact with the sill pedal on the sliding door, the problem of small items falling caused by the gap between the sliding door and the sill pedal is solved, and the safety and NVH performance of the vehicle are improved.

CN119611025APending Publication Date: 2025-03-14GUANGZHOU AUTOMOBILE GROUP CO LTD
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Patent Information

Application Number
CN202311136246.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-05
Publication Date
2025-03-14

AI Technical Summary

Technical Problem

There is a gap between the sliding door and the sill pedal in existing vehicles, causing small items to fall to the track to affect the safety hazards of door opening and closing, and affect NVH performance.

Method used

A first sealing strip abutting the door with the sill pedal is provided on the sliding door, and the first sealing strip extends in the moving direction of the sliding door to ensure the sealing between the sliding door and the sill pedal.

Benefits of technology

It effectively avoids the safety hazards of falling small items onto the track and affecting the opening and closing of the sliding door, while reducing the noise inside the car and improving NVH performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a sliding door sealing structure and a vehicle, the sliding door sealing structure comprises a sliding door assembly, a vehicle body assembly, a track, a first sealing strip and a doorsill pedal, the track and the doorsill pedal are arranged on the vehicle body assembly, the track is located below the doorsill pedal, and the first sealing strip is located below the doorsill pedal. The sliding door assembly is connected with the rail in a sliding manner; the sliding door assembly comprises a sliding door and a hinge, one end of the hinge is connected with the vehicle body assembly, and the other end of the hinge is connected with the sliding door; the sliding door is connected with the vehicle body assembly in an abutting mode, the first sealing strip is arranged on the sliding door, the first sealing strip extends in the moving direction of the sliding door, and the first sealing strip is connected with the threshold pedal in an abutting mode. According to the sliding door sealing structure, the first sealing strip is arranged to abut against the threshold pedal to prevent small articles from falling to the guide rail to affect opening and closing of the vehicle door.
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Description

Technical Field

[0001] The invention relates to the field of automobiles, and in particular to a sliding door sealing structure and a vehicle. Background Art

[0002] Sliding doors are widely used in mid-to-high-end MPVs, small buses and other series of models. Compared with ordinary doors, they are more convenient for passengers to get on and off the vehicle and reduce the width of the vehicle body after the door is opened. Therefore, sliding doors are widely used. In the existing vehicle structure, there is a gap between the sliding door and the threshold pedal, which may cause small objects to fall into the track and affect the opening and closing of the door. It also causes problems such as poor NVH performance. Summary of the invention

[0003] Aiming at the problem that small objects may fall onto the track of the sliding door of existing vehicles and affect the opening and closing of the door, the present invention provides a sliding door sealing structure and a vehicle.

[0004] In one aspect, the present invention provides a sliding door sealing structure, comprising a sliding door assembly, a vehicle body assembly, a track, a first sealing strip and a threshold pedal, wherein the track and the threshold pedal are respectively arranged on the vehicle body assembly, and the track is located below the threshold pedal, and the sliding door assembly is slidably connected to the track;

[0005] The sliding door assembly includes a sliding door and a hinge, one end of the hinge is connected to the vehicle body assembly, and the other end of the hinge is connected to the sliding door; the sliding door abuts against the vehicle body assembly, the first sealing strip is arranged on the sliding door, and the first sealing strip extends along the moving direction of the sliding door, and the first sealing strip abuts against the threshold pedal.

[0006] Optionally, the first sealing strip includes a mounting surface and an elastic deformation surface, the mounting surface is connected to the sliding door, the elastic deformation surface is arranged on a side of the mounting surface facing the threshold pedal, the elastic deformation surface is connected to the mounting surface, and a cavity is formed between the elastic deformation surface and the mounting surface.

[0007] Optionally, a folded edge is provided on a side of the threshold pedal facing the elastic deformation surface, and the folded edge abuts against the elastic deformation surface.

[0008] Optionally, an end sealing joint is provided at one end of the first sealing strip.

[0009] Optionally, the first sealing strip is clamped or bonded to the sliding door.

[0010] Optionally, the sliding door includes a door sheet metal and a door trim, the hinge is connected to the door sheet metal, and the door trim is arranged on the side of the door sheet metal facing the vehicle body assembly; one end of the first sealing strip is arranged on the door trim, and the other end of the first sealing strip extends out of the door trim and is connected to the door sheet metal.

[0011] Optionally, the vehicle body assembly includes a side panel assembly and a floor assembly, the side panel assembly is provided with a door frame and a second sealing strip, the second sealing strip is clamped with the door frame and is used to abut against the sliding door; the floor assembly is arranged on one side of the side panel assembly.

[0012] Optionally, a reinforcement plate is provided on a side of the threshold pedal facing the track, and the reinforcement plate is respectively connected to the threshold pedal and the floor assembly.

[0013] Optionally, the sliding door assembly further includes a power supply device, which is disposed on the floor assembly and is connected to the sliding door via a connecting line.

[0014] On the other hand, the present invention further provides a vehicle, comprising any one of the sliding door sealing structures described above.

[0015] In the present invention, by providing a first sealing strip on the sliding door that contacts the threshold pedal, the gap between the sliding door and the threshold pedal is sealed, thereby preventing small items from falling onto the track and affecting the safety hazard of opening and closing the sliding door, and at the same time effectively reducing the noise inside the vehicle and improving the NVH performance. The first sealing strip extends along the moving direction of the sliding door to ensure the sealing between the sliding door and the threshold pedal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a sliding door assembly and a vehicle body assembly in the prior art;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of a sliding door assembly in the AA direction in the prior art;

[0018] Figure 3 It is a schematic cross-sectional structure diagram of a sliding door assembly in the prior art along the BB direction;

[0019] Figure 4 It is a cross-sectional structural schematic diagram of a sliding door assembly in the CC direction in the prior art;

[0020] Figure 5 It is a cross-sectional structural schematic diagram of a sliding door assembly in the DD direction in the prior art;

[0021] Figure 6It is a structural schematic diagram of a sliding door sealing structure provided by an embodiment of the present invention;

[0022] Figure 7 It is a structural schematic diagram of a sliding door assembly of a sliding door sealing structure provided by one embodiment of the present invention;

[0023] Figure 8 is a structural schematic diagram of a vehicle body assembly of a sliding door sealing structure provided by an embodiment of the present invention;

[0024] Fig. 9 is a schematic structural diagram of a first sealing strip of a sliding door sealing structure provided by an embodiment of the present invention;

[0025] Fig.10 is a schematic cross-sectional structure diagram of a sliding door sealing structure along the EE direction provided by an embodiment of the present invention;

[0026] Fig.11 is a schematic cross-sectional structure diagram of a sliding door sealing structure provided by an embodiment of the present invention along the FF direction;

[0027] Fig.12 is a schematic diagram of a cross-sectional structure along the GG direction of a sliding door sealing structure provided by one embodiment of the present invention;

[0028] Fig.13 It is a schematic diagram of the cross-sectional structure along the HH direction of a sliding door sealing structure provided by one embodiment of the present invention.

[0029] The reference numerals in the drawings of the specification are as follows:

[0030] 1. Body assembly; 11. Side panel assembly; 111. Second sealing strip; 12. Floor assembly;

[0031] 2. first sealing strip; 21. mounting surface; 22. elastic deformation surface; 23. end sealing joint; 24. buckle;

[0032] 3. Threshold pedal; 31. Folded edge; 32. Reinforcement plate;

[0033] 4. Track;

[0034] 51. Sliding door; 511. Door sheet metal; 512. Door trim; 52. Power supply device; 53. Hinge. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of 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 intended to limit the present invention.

[0036] like Figure 1-Figure 5 As shown, in the conventional vehicle structure of the prior art, the track 4 is arranged below the threshold pedal 3. When the door is closed, there is a large gap between the sliding door and the threshold pedal 3. Small items may fall along the path shown in the figure to the track 4 below the threshold pedal 3, affecting the opening and closing of the door.

[0037] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0038] On the one hand, if Figure 6-Figure 13 As shown, a sliding door sealing structure according to an embodiment of the present invention comprises a sliding door assembly, a vehicle body assembly 1, a track 4, a first sealing strip 2 and a threshold pedal 3, wherein the track 4 and the threshold pedal 3 are respectively arranged on the vehicle body assembly 1, and the track 4 is located below the threshold pedal 3, and the sliding door assembly is slidably connected to the track 4. Specifically, the sliding door assembly is slidably connected to the track 4 by arranging a connecting member, and the connecting member is Figure 10-12 The cross-sectional view cannot be shown. Fig.10 The connecting parts are indicated by dotted lines.

[0039] The sliding door assembly includes a sliding door 51 and a hinge 53, wherein one end of the hinge 53 is connected to the vehicle body assembly 1, and the other end of the hinge 53 is connected to the sliding door 51. The sliding door 51 abuts against the vehicle body assembly 1, the first sealing strip 2 is disposed on the sliding door 51, and the first sealing strip 2 extends along the moving direction of the sliding door 51, and the first sealing strip 2 abuts against the threshold pedal 3.

[0040] In the embodiment of the present invention, by providing the first sealing strip 2 on the sliding door 51 to abut against the threshold pedal 3, the gap between the sliding door 51 and the threshold pedal 3 is sealed to prevent small items from falling onto the track 4 and affecting the safety hazard of opening and closing the sliding door 51, and at the same time, the noise inside the vehicle can be effectively reduced to improve the NVH performance. The first sealing strip 2 extends along the moving direction of the sliding door 51 to ensure the sealing between the sliding door 51 and the threshold pedal 3.

[0041] like Fig. 9 As shown, in some embodiments of the present invention, the first sealing strip 2 includes a mounting surface 21 and an elastic deformation surface 22, the mounting surface 21 is connected to the sliding door 51, the elastic deformation surface 22 is arranged on a side of the mounting surface 21 facing the threshold pedal 3, the elastic deformation surface 22 is connected to the mounting surface 21, and a cavity is formed between the elastic deformation surface 22 and the mounting surface 21. During the movement of the sliding door 51, the elastic deformation surface 22 is compressed and deformed under the action of the threshold pedal 3, and the deformation of the elastic deformation surface 22 is facilitated by providing the cavity.

[0042] Furthermore, the upper and lower edges of the elastic deformation surface 22 are connected to the mounting surface 21 to form a bubble tube, or the elastic deformation surface 22 is a lip edge provided on the mounting surface 21 .

[0043] Specifically, the first sealing strip 2 may be a bubble tube extruded from a rubber or silicone material, or may be a solid rubber strip or silicone strip.

[0044] like Figure 10-12 As shown, in some embodiments of the present invention, the threshold pedal 3 is provided with a folded edge 31 on one side facing the elastic deformation surface 22, and the folded edge 31 abuts against the elastic deformation surface 22. Specifically, the folded edge 31 is folded upward or downward from one end of the threshold pedal 3.

[0045] In an alternative embodiment of the present invention, the elastic deformation surface 22 is a lip edge on the mounting surface 21 , and the folded edge 31 is arranged between the lip edge and the mounting surface 21 .

[0046] In an alternative embodiment of the present invention, the elastic deformation surface 22 abuts against the folded edge 31, and the folded edge 31 abuts against the elastic deformation surface 22, so that after the elastic deformation surface 22 is deformed, the upper edge of the elastic deformation surface 22 covers the upper surface of the threshold pedal 3, and the lower edge of the elastic deformation surface 22 wraps the lower edge of the folded edge 31.

[0047] like Fig. 9 As shown, in some embodiments of the present invention, an end sealing joint 23 is provided at one end of the first sealing strip 2, and the end of the end sealing joint 23 away from the first sealing strip 2 is a closed surface, which improves the aesthetics. At the same time, the end sealing joint 23 is provided to accommodate gaps of different sizes between the sliding door 51 and the threshold pedal 3.

[0048] In some embodiments of the present invention, the first sealing strip 2 is snap-fitted or bonded to the sliding door 51 .

[0049] Specifically, when the first sealing strip 2 is engaged with the sliding door 51 , a plurality of buckles 24 are provided on the mounting surface 21 of the first sealing strip 2 , and the first sealing strip 2 is engaged with the sliding door 51 via the buckles 24 .

[0050] When the first sealing strip 2 is bonded to the sliding door 51, the mounting surface 21 of the first sealing strip 2 is bonded to the sliding door 51 by coating adhesive (not shown in the figure). Alternatively, either the mounting surface 21 of the first sealing strip 2 or the sliding door 51 is provided with a Velcro bonding surface (not shown in the figure), and the other is provided with a felt surface (not shown in the figure).

[0051] like Figure 7As shown, in some embodiments of the present invention, the sliding door 51 includes a door sheet metal 511 and a door trim 512, the hinge 53 is connected to the door sheet metal 511, and the door trim 512 is arranged on the side of the door sheet metal 511 facing the vehicle body assembly 1. One end of the first sealing strip 2 is arranged on the door trim 512, and the other end of the first sealing strip 2 extends out of the door trim 512 and is connected to the door sheet metal 511 to ensure the sealing between the sliding door 51 and the threshold pedal 3. Specifically, the door trim 512 is arranged above the hinge 53 to shield the hinge 53.

[0052] like Figure 8 As shown, in some embodiments of the present invention, the body assembly 1 includes a side panel assembly 11 and a floor assembly 12. The side panel assembly 11 is provided with a door frame and a second sealing strip 111. The second sealing strip 111 is clamped with the door frame and is used to abut against the sliding door 51 to ensure the sealing between the outer periphery of the sliding door 51 and the side panel assembly 11, and can also effectively reduce the noise inside the vehicle and improve the NVH performance. The floor assembly 12 is provided on one side of the side panel assembly 11.

[0053] like Figure 10-12 As shown, in some embodiments of the present invention, a reinforcing plate 32 is provided on the side of the threshold pedal 3 facing the track 4, and the reinforcing plate 32 is respectively connected to the threshold pedal 3 and the floor assembly 12. By providing the reinforcing plate 32, the structural strength of the threshold pedal 3 is increased.

[0054] Specifically, the reinforcing plate 32 and the track 4 are fixed to the floor assembly 12 by bolt connection, and the threshold pedal 3 is fixed to the reinforcing plate 32 and the floor assembly 12 by snap fastener connection.

[0055] like Figure 8 As shown, in some embodiments of the present invention, the sliding door assembly further includes a power supply device 52, and the power supply device 52 is disposed on the floor assembly 12, and the power supply device 52 is connected to the sliding door 51 by providing a connecting line.

[0056] On the other hand, an embodiment of the present invention provides a vehicle, comprising the sliding door sealing structure described in any one of the above embodiments.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A sliding door sealing structure, characterized in that: The vehicle comprises a sliding door assembly, a vehicle body assembly, a track, a first sealing strip and a threshold pedal, wherein the track and the threshold pedal are respectively arranged on the vehicle body assembly, and the track is located below the threshold pedal, and the sliding door assembly is slidably connected to the track; The sliding door assembly includes a sliding door and a hinge, one end of the hinge is connected to the vehicle body assembly, and the other end of the hinge is connected to the sliding door; the sliding door abuts against the vehicle body assembly, the first sealing strip is arranged on the sliding door, and the first sealing strip extends along the moving direction of the sliding door, and the first sealing strip abuts against the threshold pedal.

2. The sliding door sealing structure according to claim 1, characterized in that: The first sealing strip includes a mounting surface and an elastic deformation surface, the mounting surface is connected to the sliding door, the elastic deformation surface is arranged on a side of the mounting surface facing the threshold pedal, the elastic deformation surface is connected to the mounting surface, and a cavity is formed between the elastic deformation surface and the mounting surface.

3. The sliding door sealing structure according to claim 2, characterized in that: A folded edge is provided on a side of the threshold pedal facing the elastic deformation surface, and the folded edge abuts against the elastic deformation surface.

4. The sliding door sealing structure according to claim 1, characterized in that: An end sealing joint is provided at one end of the first sealing strip.

5. The sliding door sealing structure according to claim 1, characterized in that: The first sealing strip is clamped or bonded to the sliding door.

6. The sliding door sealing structure according to claim 1, characterized in that: The sliding door includes a door sheet metal and a door trim, the hinge is connected to the door sheet metal, and the door trim is arranged on the side of the door sheet metal facing the vehicle body assembly; one end of the first sealing strip is arranged on the door trim, and the other end of the first sealing strip extends out of the door trim and is connected to the door sheet metal.

7. The sliding door sealing structure according to claim 1, characterized in that: The vehicle body assembly includes a side panel assembly and a floor assembly. The side panel assembly is provided with a door frame and a second sealing strip. The second sealing strip is engaged with the door frame and is used to abut against the sliding door. The floor assembly is arranged on one side of the side panel assembly.

8. The sliding door sealing structure according to claim 7, characterized in that: A reinforcing plate is arranged on a side of the threshold pedal facing the track, and the reinforcing plate is respectively connected to the threshold pedal and the floor assembly.

9. The sliding door sealing structure according to claim 7, characterized in that: The sliding door assembly also includes a power supply device, which is arranged on the floor assembly and connected to the sliding door via a connecting line.

10. A vehicle, characterized in that: The invention comprises a sliding door sealing structure as described in any one of claims 1 to 9.

Citation Information

Patent Citations

  • Vehicle lower section structure

    CN110588303A

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    CN111071021A

  • Sliding rail hidden type sliding door hinge mounting structure, sliding door and vehicle

    CN115817132A

  • Threshold structure of MPV (Moving Picture Vehicle)

    CN217778759U