Hidden door handle sealing structure of automobile door

By designing a door handle sealing structure composed of hard and soft rubber rings, the problems of poor sealing and water accumulation in concealed door handles are solved, achieving good sealing, airtightness and corrosion resistance, and reducing vehicle noise and maintenance costs.

CN223724366UActive Publication Date: 2025-12-26YIBIN COWIN AUTO CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520265546.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-26
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing hidden door handles and door sealing rings in automobiles are prone to poor sealing, resulting in high wind noise throughout the vehicle. Furthermore, after prolonged use, water can easily accumulate and rust at the door sheet metal edges, leading to serious user complaints.

Method used

Design a door handle sealing structure including a hard rubber ring and a soft rubber ring. The soft rubber ring has a sealing lip and a drain outlet, while the hard rubber ring has a limiting boss and a mounting buckle. The structure is connected by injection molding to improve sealing and drainage performance.

Benefits of technology

It improves the sealing and airtightness of the door handles, reduces overall vehicle noise, prevents rust on the door sheet metal, and reduces maintenance costs and assembly difficulty.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223724366U_ABST
    Figure CN223724366U_ABST
Patent Text Reader

Abstract

The sealing structure of the hidden door handle of the automobile door comprises the door handle sealing ring arranged on the hidden door handle, the door handle sealing ring is located between the hidden door handle and the automobile door outer plate, the sealing performance of the hidden door handle can be improved through the door handle sealing ring, drainage is convenient, water is prevented from being accumulated at the seam allowance of an automobile door metal plate, and the service life of the automobile door is prolonged. The hidden door handle sealing structure of the automobile door effectively improves corrosion resistance and erosion resistance, is favorable for improving air tightness and reducing noise of the whole automobile, and is good in sealing performance, favorable for improving air tightness, favorable for reducing noise of the whole automobile and favorable for improving corrosion resistance and erosion resistance.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile door handle, specifically, the utility model relates to a hidden door handle sealing structure of automobile door. BACKGROUND

[0002] As the popular handle design in the automobile industry at present, the hidden outer handle is widely applied, has high frequency of daily use, and has high user perception experience degree, and it is particularly important to ensure sealing and corrosion and erosion prevention under the premise of meeting good appearance in the development process of the hidden door handle. The structure of the hidden door handle and the door sealing ring in the prior art is prone to poor sealing, large high-speed wind noise of the whole vehicle, or airflow sound, in order to ensure sealing, the handle and the door sheet metal manufacturing precision are required to be high or the sealing interference amount is increased, and the large sealing interference amount leads to difficult assembly of the hidden door handle; meanwhile, the hidden door handle ring and the door sealing have no drainage structure, water is accumulated at the door sheet metal stop port after long-time use, the door sheet metal is corroded, and serious complaints of customers are easily caused.

[0003] In order to solve the above problems, the patent document with the publication number 221627956U discloses a hidden automobile door handle sealing piece, which comprises a plastic bottom ring, recessed holes are formed in the two side walls of the plastic bottom ring, a rubber sealing ring, a plurality of through holes are formed in the surface of the rubber sealing ring, a plurality of mounting column assemblies and a pressing assembly, the mounting column assembly is arranged at the top of the plastic bottom ring, and the pressing assembly is arranged at the top of the mounting column assembly, but the above problems cannot be solved.

[0004] Therefore, in order to improve or solve the above at least one problem, it is necessary to optimize the existing automobile hidden door handle sealing ring, provide a hidden door handle sealing structure of automobile door, which has good sealing performance, is beneficial to improve air tightness, is beneficial to reduce the noise of the whole vehicle, and is beneficial to improve the corrosion and erosion resistance. UTILITY MODEL CONTENTS

[0005] The utility model is carried out in order to solve the above problems, aims at providing a hidden door handle sealing structure of automobile door, which has good sealing performance, is beneficial to improve air tightness, is beneficial to reduce the noise of the whole vehicle, and is beneficial to improve the corrosion and erosion resistance, in order to realize the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a hidden door handle sealing structure of automobile door, which has the following characteristics, comprising a door handle sealing ring arranged on a hidden door handle, and the door handle sealing ring is located between the hidden door handle and an outer panel of a door.

[0007] In the hidden door handle sealing structure of automobile door provided by the utility model, the door handle sealing ring can further have the following characteristics, the door handle sealing ring comprises a hard rubber ring and a soft rubber ring arranged on the hard rubber ring.

[0008] In the automobile door hidden door handle sealing structure, the sealing ring soft rubber ring is provided with a sealing lip, and the cross section of the sealing lip is in a "V" shape.

[0009] In the automobile door hidden door handle sealing structure, the sealing ring soft rubber ring is provided with a sealing lip, and the cross section of the sealing lip is in a "V" shape.

[0010] In the automobile door hidden door handle sealing structure, the sealing ring soft rubber ring is provided with a sealing lip, and the cross section of the sealing lip is in a "V" shape.

[0011] In the automobile door hidden door handle sealing structure, the sealing ring soft rubber ring is provided with a sealing lip, and the cross section of the sealing lip is in a "V" shape.

[0012] The automobile door hidden door handle sealing structure has the technical effects that: the automobile door hidden door handle sealing structure comprises a door handle sealing ring arranged on a hidden door handle, the door handle sealing ring is located between the hidden door handle and an outer panel of a door, the door handle sealing ring can improve the sealing property of the hidden door handle, facilitate water drainage, avoid water accumulation at a door panel metal stopper, effectively improve corrosion and erosion resistance, improve air tightness, and reduce vehicle noise.

[0013] Therefore, the automobile door hidden door handle sealing structure has good sealing performance, improves air tightness, reduces vehicle noise, and improves corrosion and erosion resistance. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are as follows:

[0015] Figure 1 is a structure schematic diagram of the door handle sealing ring in the embodiment of the utility model Figure 1 ;

[0016] Figure 2 is a structure schematic diagram of the door handle sealing ring in the embodiment of the utility model Figure 2 ;

[0017] Figure 3 is a structure schematic diagram of the door handle sealing ring in the embodiment of the utility model Figure 3 ;

[0018] Figure 4 is a structure schematic diagram of the hidden door handle assembly in the embodiment of the utility model

[0019] Figure 5 is a longitudinal sectional view of the hidden door handle assembly in the embodiment of the utility model;

[0020] Figure 6 is a transverse sectional view of the hidden door handle assembly in the embodiment of the utility model.

[0021] In the drawing, marked as: hidden door handle -1, car door outer plate -2, door handle sealing ring -10, sealing ring hard rubber ring -11, limiting boss -111, installation buckle -112, sealing ring soft rubber ring -12, sealing lip -121, drainage opening -122. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in detail below with reference to the drawings, and the purpose is to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to facilitate its implementation.

[0023] Figure 1 is a structure diagram of the door handle sealing ring in the embodiment of the utility model Figure 1 ; Figure 2 is a structure diagram of the door handle sealing ring in the embodiment of the utility model Figure 2 ; Figure 3 is a structure diagram of the door handle sealing ring in the embodiment of the utility model Figure 3 ; Figure 4 is a structure diagram of the hidden door handle assembly in the embodiment of the utility model.

[0024] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the automobile door hidden door handle sealing structure provided by the utility model comprises a door handle sealing ring 10 arranged on the hidden door handle 1, the door handle sealing ring 10 is located between the hidden door handle 1 and the car door outer plate 2, the door handle sealing ring 10 can improve the sealing property of the hidden door handle, facilitate drainage, avoid water accumulation at the car door sheet metal stop opening, effectively improve the corrosion and erosion resistance, be conducive to improving the air tightness, be conducive to reducing the whole vehicle noise, so that the automobile door hidden door handle sealing structure provided by the utility model has good sealing performance, is conducive to improving the air tightness, is conducive to reducing the whole vehicle noise, and is conducive to improving the corrosion and erosion resistance.

[0025] The door handle sealing ring 10 comprises a sealing ring hard rubber ring 11 and a sealing ring soft rubber ring 12 arranged on the sealing ring hard rubber ring 11, the sealing ring hard rubber ring 11 and the sealing ring soft rubber ring 12 are connected by injection molding, the structural strength and corrosion resistance of the door handle sealing ring 10 can be improved, the service life of the door handle sealing ring 10 is improved, and the maintenance and replacement cost of the door handle sealing ring 10 is reduced.

[0026] The sealing ring soft rubber ring 12 is provided with a sealing lip 121, the cross section of the sealing lip 121 is in a "V" shape, the sealing lip 121 can make the sealing ring soft rubber ring 12 more fit the outer plate 2 of the vehicle door, and the sealing performance of the door handle sealing ring 10 is further improved. The sealing interference between the sealing lip 121 and the outer plate 2 of the vehicle door is large, can absorb larger manufacturing tolerance, has lower requirement on manufacturing precision, and can ensure good sealing effect. The sealing lip 121 can effectively reduce the resistance in the assembly process of the hidden door handle 1 and the outer plate 2 of the vehicle door, and facilitates the assembly of the hidden door handle 1 and the outer plate 2 of the vehicle door.

[0027] The sealing ring soft rubber ring 12 is provided with a drainage port 122, the drainage port 122 is located at the bottom of the sealing ring soft rubber ring 12, the drainage port 122 can drain the accumulated water between the door handle sealing ring 10 and the outer plate 2 of the vehicle door, avoids the accumulated water at the sheet metal stop of the outer plate 2 of the vehicle door, causes the sheet metal of the vehicle door to rust, and improves the service life of the sheet metal of the vehicle door and reduces the vehicle maintenance cost.

[0028] The sealing ring hard rubber ring 11 is provided with a limiting boss 111, four limiting bosses 111 are evenly arranged on the sealing ring hard rubber ring 11, and the limiting boss 111 can control the interference between the sealing lip 121 of the sealing ring soft rubber ring 12 and the outer plate 2 of the vehicle door, so that the appropriate assembly force and sufficient sealing interference can be ensured.

[0029] The sealing ring hard rubber ring 11 is provided with a mounting buckle 112, nine mounting buckles 112 are evenly arranged on the sealing ring hard rubber ring 11, the sealing ring hard rubber ring 11 and the hidden door handle 1 are assembled through the nine mounting buckles 112, and the installation and assembly of the door handle sealing ring 10 are facilitated.

[0030] Figure 5 It is a longitudinal sectional view of the hidden door handle assembly in the embodiment of the utility model; Figure 6 It is a transverse sectional view of the hidden door handle assembly in the embodiment of the utility model.

[0031] As Figure 5 And Figure 6As shown, the door handle sealing ring 10 is located between the hidden door handle 1 and the outer plate 2 of the door, which can improve the sealing of the hidden door handle, facilitate drainage, avoid water accumulation at the door panel metal stop, effectively improve the corrosion resistance, improve the air tightness, reduce the noise of the vehicle, and the automobile door hidden door handle sealing structure provided by the utility model can ensure good air tightness and vehicle noise, and simultaneously consider the assembly convenience and drainage corrosion resistance.

[0032] Effects of the embodiments

[0033] The automobile door hidden door handle sealing structure provided by the utility model comprises a door handle sealing ring 10 arranged on a hidden door handle 1, the door handle sealing ring 10 is located between the hidden door handle 1 and the outer plate 2 of the door, the door handle sealing ring 10 can improve the sealing of the hidden door handle, facilitate drainage, avoid water accumulation at the door panel metal stop, effectively improve the corrosion resistance, improve the air tightness, reduce the noise of the vehicle, and the automobile door hidden door handle sealing structure provided by the utility model has good sealing performance, improves the air tightness, reduces the noise of the vehicle, and improves the corrosion resistance.

[0034] The utility model is described above in conjunction with the drawings. Obviously, the specific implementation of the utility model is not limited by the above method. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model is directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A concealed door handle sealing structure for automobile doors, characterized in that, The door handle sealing ring (10) is arranged on the hidden door handle (1) and is located between the hidden door handle (1) and the outer door panel (2).

2. The automotive door concealed door handle seal structure of claim 1, wherein, The door handle sealing ring (10) comprises a sealing ring hard rubber ring (11) and a sealing ring soft rubber ring (12) arranged on the sealing ring hard rubber ring (11).

3. The automotive door concealed door handle seal structure of claim 2, wherein, The sealing ring soft rubber ring (12) is provided with a sealing lip (121), and the cross section of the sealing lip (121) is in the shape of "V".

4. The concealed door handle seal structure for an automobile door according to claim 3, characterized by The sealing ring soft rubber ring (12) is provided with a drainage port (122), and the drainage port (122) is located at the bottom of the sealing ring soft rubber ring (12).

5. The automotive door concealed door handle seal structure of claim 4, wherein, The sealing ring hard rubber ring (11) is provided with a limiting boss (111), and the limiting boss (111) is uniformly arranged on the sealing ring hard rubber ring (11).

6. The concealed door handle seal for an automotive door of claim 5, wherein, The sealing ring hard rubber ring (11) is provided with a mounting buckle (112), and the mounting buckle (112) is uniformly arranged on the sealing ring hard rubber ring (11).