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CN-224225008-U - Sealing sheet, sealing structure and vehicle

CN224225008UCN 224225008 UCN224225008 UCN 224225008UCN-224225008-U

Abstract

The utility model discloses a sealing sheet, a sealing structure and a vehicle, wherein the sealing sheet is used for filling a cavity of a vehicle body and comprises a flexible deformable middle layer, a first foaming layer and a second foaming layer, the middle layer is provided with a first surface and a second surface which are distributed along the thickness direction, the first foaming layer is connected with the first surface, and the second foaming layer is connected with the second surface. The sealing structure includes a sealing sheet and a connecting member for connecting the sealing sheet to the vehicle body. The sealing sheet, the sealing structure and the vehicle can ensure that the distribution of the foamed materials after foaming is relatively more uniform, thereby improving the sealing effect.

Inventors

  • HAN JIANWEI
  • YANG ZHIGANG

Assignees

  • 浙江极氪智能科技有限公司
  • 浙江吉利控股集团有限公司

Dates

Publication Date
20260512
Application Date
20250509

Claims (10)

  1. 1. The utility model provides a sealing piece for filling cavity of automobile body, its characterized in that includes flexible deformation's intermediate level, first foaming layer and second foaming layer, the intermediate level has along thickness direction distribution's first surface and second surface, first foaming layer connect in first surface, second foaming layer connect in the second surface.
  2. 2. The sealing panel of claim 1, wherein the material of the intermediate layer is a woven fabric of fibers.
  3. 3. The sealing sheet of claim 1, wherein the sealing sheet has a thickness greater than or equal to 0.1mm and less than or equal to 10mm.
  4. 4. A sealing structure, characterized by comprising: A sealing sheet according to any one of claims 1-3; and the connecting piece is used for connecting the sealing piece to the vehicle body.
  5. 5. The sealing structure according to claim 4, wherein the sealing sheet has a through hole, the connecting member includes a connecting portion and a positioning portion that are connected, the positioning portion abuts against the first foam layer, the connecting portion passes through the through hole and protrudes from a side of the second foam layer facing away from the second surface, and the connecting portion is used for connecting with the vehicle body.
  6. 6. The seal of claim 5, wherein the connecting portion comprises a body and a latch disposed laterally of the body.
  7. 7. The sealing structure according to claim 4, wherein the sealing sheet has a plurality of through holes, the plurality of through holes are arranged at intervals in a longitudinal direction of the sealing sheet, and a part of the through holes are arranged in a middle portion of the sealing sheet.
  8. 8. The sealing structure according to claim 4, wherein the sealing sheet has a plurality of through holes, and wherein a length extending direction of at least one through hole is different from a length extending direction of the remaining through holes.
  9. 9. A vehicle comprising a vehicle body having the cavity and the sealing structure of any one of claims 4-8, the sealing panel being disposed within the cavity.
  10. 10. The vehicle of claim 9, wherein the body is provided with an opening, and the connector cooperates with the opening to connect the sealing panel to the body.

Description

Sealing sheet, sealing structure and vehicle Technical Field The utility model relates to the field of vehicle bodies, in particular to a sealing sheet, a sealing structure and a vehicle. Background There are some closed reinforcement beam structures, such as a pillar, B pillar, C pillar, rocker, front wall, side wall, etc., on the vehicle body, and these structures have a large number of cavities, which generate high-speed air flow movement when the vehicle is traveling at high speed, and bring strong noise and vibration to passengers and drivers, so that it is necessary to fill and seal these cavities. In the related art, the foaming material is fixed through the bracket so as to seal the cavity, however, different brackets are required to be designed for different cavity shapes, the universality is poor, the steel plate is adopted as the middle layer in the technical scheme, the foaming material is arranged on the surface of the steel plate, and the sealing effect after foaming is found to be poor in the use process. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a sealing structure which can have relatively better sealing effect. The utility model provides a sealing sheet which is used for the sealing structure. The utility model further provides a vehicle with the sealing structure. According to an embodiment of the first aspect of the present utility model, a sealing sheet for filling a cavity of a vehicle body includes a flexibly deformable intermediate layer having a first surface and a second surface distributed in a thickness direction, a first foam layer connected to the first surface, and a second foam layer connected to the second surface. The sealing sheet provided by the embodiment of the utility model has at least the following beneficial effects: The sealing sheet is arranged in a cavity of the vehicle body, and the first foaming layer and the second foaming layer are foamed and expanded under the action of high temperature, so that the cavity is sealed. Because the cavity wall of the vehicle body cavity is uneven, and the middle layer can flexibly deform, in the foaming process, the middle layer can bend and deform towards the cavity wall concave area along with the expansion pressure of the two foaming layers so as to adapt to the uneven cavity wall, so that the foamed material after foaming is distributed relatively more uniformly, and the sealing effect is improved. According to some embodiments of the utility model, the material of the intermediate layer is a fiber woven fabric. According to some embodiments of the utility model, the sealing sheet has a thickness greater than or equal to 0.1mm and less than or equal to 10mm. According to a second aspect of the present utility model, there is provided a seal structure comprising: The sealing sheet of the above embodiment; and the connecting piece is used for connecting the sealing piece to the vehicle body. The sealing structure provided by the embodiment of the utility model has at least the following beneficial effects: the sealing sheet is arranged in the cavity of the vehicle body, and the sealing sheet is connected with the vehicle body through the connecting piece so as to keep the relative position of the sealing sheet in the cavity unchanged. The first foaming layer and the second foaming layer are foamed and expanded under the action of high temperature, so that the sealing of the cavity is realized. Because the intermediate layer can flexibly deform, in the foaming process, the intermediate layer can deform along with the expansion pressure of the first foaming layer and the second foaming layer, so that the distribution of the foamed materials after foaming is relatively more uniform, and the sealing effect is improved. According to some embodiments of the utility model, the sealing sheet is provided with a through hole, the connecting piece comprises a connecting part and a positioning part which are connected, the positioning part is abutted against the first foaming layer, the connecting part penetrates through the through hole and protrudes out of one side of the second foaming layer, which is opposite to the second surface, and the connecting part is used for connecting with the vehicle body. According to some embodiments of the utility model, the connecting portion comprises a body and a latch disposed laterally of the body. According to some embodiments of the utility model, the sealing sheet is provided with a plurality of through holes, the through holes are arranged at intervals along the length direction of the sealing sheet, and part of the through holes are arranged in the middle of the sealing sheet. According to some embodiments of the utility model, the sealing sheet has a plurality of through holes, wherein the length extending direction of at least one through hole is different from th