Vehicle door waterproof structure

By adopting the synergistic effect of the multi-layer waterproof membrane structure and the waterproof plate body in the door waterproof structure, the problem that the existing door waterproof membrane cannot meet the high-quality needs is solved, and the efficient waterproofing and thermal insulation effect of the door is achieved.

CN222973169UActive Publication Date: 2025-06-13WUHU HAICHENG RUBBER & PLASTIC
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Patent Information

Application Number
CN202422020493.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-06-13
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

The existing door waterproof membrane cannot meet the high-quality needs. The simple waterproof membrane has high requirements for door sheet metal parts, which increases production costs and has poor waterproofing effect.

Method used

The synergistic effect of the multi-layer waterproof film structure and the waterproof board body is adopted, including the waterproof board body and the first and second waterproof films arranged thereon, and the waterproof film is connected to the waterproof board body through hot melt bonding.

Benefits of technology

It effectively improves the sealing and waterproof performance of the car door, improves the waterproof performance of the car door, and has thermal insulation and sound insulation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222973169U_ABST
Patent Text Reader

Abstract

The vehicle door waterproof structure comprises a waterproof plate body and a waterproof membrane structure arranged on the waterproof plate body, the waterproof membrane structure comprises a first waterproof membrane and a second waterproof membrane, one side of the first waterproof membrane is connected with the waterproof plate body, and the other side of the first waterproof membrane is connected with the second waterproof membrane. Through the synergistic effect of the multi-layer waterproof film structure and the waterproof plate body, the sealing waterproof performance can be effectively improved, the waterproof performance of the vehicle door is effectively improved, the sealing waterproof performance of the vehicle door waterproof structure is good, and the waterproof performance of the vehicle door is effectively improved.
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Description

Technical Field

[0001] The utility model belongs to the field of automobile parts. Specifically, the utility model relates to a door waterproof structure. Background Art

[0002] In view of the current automobile market, in order to meet the high-quality requirements of customers, automobile manufacturers have higher and higher requirements for the waterproof performance of doors. Simple waterproof membranes cannot meet the current high-quality requirements. Usually, waterproof membranes are used for waterproofing, which requires higher requirements for door sheet metal parts. It is necessary to adjust the waterproof membrane in cooperation with the door sheet metal parts, increasing the production cost and having poor waterproof effect.

[0003] To solve the above problems, Patent Document 217672094U discloses a door waterproof membrane, a door and a vehicle. The door waterproof membrane includes a waterproof membrane body and a colloid. The waterproof membrane body has an annular glue application mark; the colloid is arranged on the glue application mark. In the door waterproof membrane of the embodiment of the utility model, when applying the colloid on the waterproof membrane body, the colloid is applied on the glue application mark, so as to control the application position of the colloid by using the glue application mark and ensure the stability of the glue application track, but the above problems cannot be solved. Summary of the Utility Model

[0004] The present utility model is made to solve the above problems, and the purpose is to provide a door waterproof structure with good waterproof performance. To achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0005] The present utility model provides a door waterproof structure, which has the following characteristics: it includes a waterproof plate body and a waterproof membrane structure arranged on the waterproof plate body.

[0006] In the door waterproof structure provided by the present utility model, it may also have the following characteristics: the waterproof membrane structure includes a first waterproof membrane and a second waterproof membrane. One side of the first waterproof membrane is connected to the waterproof plate body, and the other side of the first waterproof membrane is connected to the second waterproof membrane.

[0007] In the door waterproof structure provided by the present utility model, it may also have the following characteristics: the waterproof plate body is a plastic plate, which is adapted to the door cavity and is arranged in the door cavity.

[0008] In the door waterproof structure provided by the present utility model, it may also have the following characteristics: the first waterproof membrane is adapted to the waterproof plate body, and the first waterproof membrane is a PE waterproof membrane.

[0009] In the door waterproof structure provided by the present utility model, it may also have the following characteristics: the second waterproof membrane is adapted to the first waterproof membrane, and the second waterproof membrane is an IXPE waterproof membrane or an XPE waterproof membrane.

[0010] In the door waterproof structure provided by the present utility model, it may further have the following feature: the first waterproof membrane is adhesively bonded to the waterproof plate body by hot melt adhesive.

[0011] In the door waterproof structure provided by the present utility model, it may further have the following feature: the second waterproof membrane is adhesively bonded to the first waterproof membrane by hot melt adhesive.

[0012] The technical effect of the present utility model is as follows: the door waterproof structure provided by the present utility model includes a waterproof plate body and a waterproof membrane structure provided on the waterproof plate body. The waterproof membrane structure includes a first waterproof membrane and a second waterproof membrane. One side of the first waterproof membrane is connected to the waterproof plate body, and the other side of the first waterproof membrane is connected to the second waterproof membrane. Through the synergistic effect of the multi-layer waterproof membrane structure and the waterproof plate body, the sealing and waterproof performance can be effectively improved, and the waterproof performance of the door can be effectively improved.

[0013] Therefore, the door waterproof structure provided by the present utility model has good sealing and waterproof performance, and effectively improves the waterproof performance of the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] This specification includes the following drawings, and the shown contents are respectively:

[0015] Figure 1 It is a schematic structural view of the door waterproof structure in the embodiment of the present utility model.

[0016] In the figure, the markings are: 10 - waterproof plate body, 20 - waterproof membrane structure, 21 - first waterproof membrane, 22 - second waterproof membrane. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, with reference to the drawings, through the description of the embodiments, the specific embodiments of the present invention will be further described in detail. The purpose is to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention, and to facilitate its implementation.

[0018] Figure 1 It is a schematic structural view of the door waterproof structure in the embodiment of the present utility model.

[0019] As Figure 1 shown, the door waterproof structure provided by the present utility model includes a waterproof plate body 10 and a waterproof membrane structure 20 provided on the waterproof plate body 10. The waterproof membrane structure 20 includes a first waterproof membrane 21 and a second waterproof membrane 22. One side of the first waterproof membrane 21 is connected to the waterproof plate body 10, and the other side of the first waterproof membrane 21 is connected to the second waterproof membrane 22. Through the synergistic effect of the multi-layer waterproof membrane structure and the waterproof plate body 10, the sealing and waterproof performance can be effectively improved, and the waterproof performance of the door can be effectively improved.

[0020] The waterproof plate body 10 is a plastic plate, which is adapted to the door cavity. The waterproof plate body 10 is arranged in the door cavity and can also provide sound insulation, thus providing a quiet environment in the cab and improving the riding experience of the driver and passengers.

[0021] The first waterproof film 21 is adapted to the waterproof plate body 10. The first waterproof film 21 is a PE waterproof film, and PE is made of polyethylene. It can further improve the waterproof performance of the door waterproof structure provided by the present utility model, and at the same time has the function of heat insulation and heat preservation, which can improve the temperature comfort of the vehicle body. The first waterproof film 21 is bonded to the waterproof plate body 10 by hot melt butyl rubber, which improves the bonding firmness between the first waterproof film 21 and the waterproof plate body 10.

[0022] The second waterproof film 22 is adapted to the first waterproof film 21. The second waterproof film is an IXPE waterproof film or an XPE waterproof film. IXPE and XPE are foamed surface materials with the characteristics of porous and loose. They can effectively absorb the sound from the outside or inside the vehicle, thus effectively isolating the environment in the cab, providing a quiet environment in the cab, and further improving the riding experience of the driver and passengers. The second waterproof film 22 is bonded to the first waterproof film 21 by hot melt butyl rubber, which improves the bonding firmness between the first waterproof film 21 and the second waterproof film 22.

[0023] Through the door waterproof structure provided by the present utility model, the second waterproof film 22 is bonded to the first waterproof film 21 by hot melt butyl rubber, and the first waterproof film 21 is bonded to the waterproof plate body 10 by hot melt butyl rubber, so that it is convenient to assemble the door waterproof structure and install it. Moreover, the door waterproof structure provided by the present utility model not only has good waterproof performance, but also has effects such as heat preservation and sound insulation, which can effectively improve the vehicle body quality.

[0024] Functions and effects of the embodiment

[0025] The door waterproof structure provided by the present utility model includes a waterproof plate body 10 and a waterproof film structure 20 arranged on the waterproof plate body 10. The waterproof film structure 20 includes a first waterproof film 21 and a second waterproof film 22. One side of the first waterproof film 21 is connected to the waterproof plate body 10, and the other side of the first waterproof film 21 is connected to the second waterproof film 22. Through the synergistic effect of the multi-layer waterproof film structure and the waterproof plate body 10, the sealing and waterproof performance can be effectively improved, and the waterproof performance of the door can be effectively improved. The door waterproof structure provided by the present utility model has good sealing and waterproof performance, and effectively improves the waterproof performance of the door.

[0026] The above has made an exemplary description of the present utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present utility model; or without improvement, directly applying the above concept and technical solution of the present utility model to other occasions, they are all within the protection scope of the present utility model.

Claims

1. A vehicle door waterproof structure, characterized in that: It comprises a waterproof board body (10) and a waterproof membrane structure (20) arranged on the waterproof board body (10), The waterproof membrane structure (20) comprises a first waterproof membrane (21) and a second waterproof membrane (22), wherein one side of the first waterproof membrane (21) is connected to the waterproof board body (10), and the other side of the first waterproof membrane (21) is connected to the second waterproof membrane (22).

2. The vehicle door waterproof structure according to claim 1, characterized in that: The waterproof board body (10) is a plastic board, and the waterproof board body (10) is adapted to the cavity of the vehicle door and is arranged in the cavity of the vehicle door.

3. The vehicle door waterproof structure according to claim 2, characterized in that: The first waterproof membrane (21) is compatible with the waterproof board body (10), and the first waterproof membrane (21) is a PE waterproof membrane.

4. The vehicle door waterproof structure according to claim 3, characterized in that: The second waterproof membrane (22) is compatible with the first waterproof membrane (21), and the second waterproof membrane (22) is an IXPE waterproof membrane or an XPE waterproof membrane.

5. The vehicle door waterproof structure according to claim 4, characterized in that: The first waterproof membrane (21) is bonded to the waterproof board body (10) by hot-melt adhesive.

6. The vehicle door waterproof structure according to claim 5, characterized in that: The second waterproof membrane (22) is bonded to the first waterproof membrane (21) by hot-melt adhesive.