Wind-resistance-resistant automobile electric sliding door sealing structure
By using a multi-layer composite sealing strip design, the problem of reduced sealing performance of electric sliding doors at high speeds is solved, achieving good sealing performance under dynamic conditions and improving in-vehicle comfort and the durability of the sealing structure.
Patent Information
- Application Number
- CN202520647345.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-08
AI Technical Summary
The existing sealing structure of automotive electric sliding doors suffers from reduced sealing performance due to wind resistance when the vehicle is traveling at high speeds. This results in wind noise and air leakage, affecting comfort and quietness, and may shorten the service life.
The second sealing strip, which adopts a multi-layer composite structure, includes a wear-resistant layer, a reinforcing layer, and a sealing layer. It is designed as a convex strip, which works in conjunction with the concave first sealing strip to form multiple sealing lines and enhance wind resistance.
Under both static and dynamic driving conditions, it effectively prevents the intrusion of dust, rain, and wind, reduces deformation and displacement, improves sealing performance, reduces wind noise, extends the life of the sealing structure, and enhances in-vehicle comfort.
Smart Images

Figure CN223919094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of automobile parts especially relates to a wind resistance resisting automobile electric sliding door sealing structure. BACKGROUND
[0002] With the continuous development of automobile manufacturing technology, electric sliding door is more and more widely used in automobile, and the electric sliding door is a kind of door design that is driven by motor and realizes opening and closing by side sliding mode, is widely used in MPV, business car and other vehicle types, and its core features are convenience, intelligence and safety, can significantly improve the comfort of passengers and the practicability of vehicle, therefore, a wind resistance resisting automobile electric sliding door sealing structure is particularly needed.
[0003] However, the existing automobile electric sliding door sealing structure usually only considers static sealing performance, that is, it can ensure the sealing performance of the door when the vehicle is stationary, prevent dust, rainwater and the like from entering the vehicle, but when the vehicle is running at high speed, wind resistance will generate a large pressure on the electric sliding door, causing the sealing structure to deform and the sealing performance to decrease, thereby causing wind noise, air leakage and other problems, affecting the comfort and quietness of the vehicle, in addition, long-term wind resistance may also cause damage to the sealing structure, shortening its service life. SUMMARY
[0004] The utility model aims at providing a wind resistance resisting automobile electric sliding door sealing structure to solve the problem of the existing automobile electric sliding door sealing structure that only considers static sealing performance, that is, it can ensure the sealing performance of the door when the vehicle is stationary, prevent dust, rainwater and the like from entering the vehicle, but when the vehicle is running at high speed, wind resistance will generate a large pressure on the electric sliding door, causing the sealing structure to deform and the sealing performance to decrease, thereby causing wind noise, air leakage and other problems, affecting the comfort and quietness of the vehicle, in addition, long-term wind resistance may also cause damage to the sealing structure, shortening its service life.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wind resistance resisting automobile electric sliding door sealing structure, comprising a door frame, an electric door and a sealing mechanism, the surface of the door frame is provided with the electric door, and the surface of the door frame is provided with the sealing mechanism.
[0006] The sealing mechanism comprises a first mounting groove, a second mounting groove, a first sealing strip, a sealing groove and a second sealing strip, the surface of the door frame is provided with the first mounting groove, the surface of the electric door is provided with the second mounting groove, the surface of the door frame is connected with the first sealing strip, the surface of the electric door is connected with the second sealing strip, and the surface of the first sealing strip is provided with the sealing groove.
[0007] Preferably, the first sealing strip is installed inside the first installation groove, and the first sealing strip and the sealing groove form a concave strip.
[0008] Preferably, the second sealing strip is installed inside the second installation groove, and the second sealing strip is a convex strip.
[0009] Preferably, the second sealing strip is designed in a multi-layer composite structure, and the second sealing strip sequentially comprises an abrasion-resistant layer, a reinforcing layer and a sealing layer from outside to inside, and the cross-sectional shape of the second sealing strip is designed as a plurality of sealing lip structures.
[0010] Preferably, the abrasion-resistant layer is an outermost abrasion-resistant rubber layer.
[0011] Preferably, the reinforcing layer is a middle high-strength support layer, and the reinforcing layer is made of a fiber reinforced material.
[0012] Preferably, the sealing layer is an inner sealing rubber layer.
[0013] Compared with the prior art, the anti-wind-resistance automobile electric sliding door sealing structure has the beneficial effects that: the multi-layer composite second sealing strip and the first sealing strip matched with the second sealing strip are specially designed to form multiple sealing defense lines, and the sealing performance of the electric vehicle door is effectively improved. Dust, rain and wind can be well prevented from entering under static or dynamic driving conditions. The abrasion-resistant layer, the reinforcing layer and the sealing layer of the second sealing strip are arranged to enable the sealing structure to effectively resist the pressure and impact force generated by wind resistance, reduce deformation and displacement, and ensure the stability of the sealing structure during high-speed driving. The good sealing performance and anti-wind-resistance capability greatly reduce the degree of wind noise entering the vehicle, improve the quietness in the vehicle, and provide a more comfortable riding environment for passengers. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;
[0015] Figure 2 It is a sealing mechanism exploded structure schematic view of the utility model;
[0016] Figure 3 It is a second sealing strip internal structure schematic view of the utility model;
[0017] Figure 4 It is a second sealing strip internal structure schematic view of the utility model; Figure 2 It is a second sealing strip internal structure schematic view of the utility model;
[0018] In the figure: 1, door frame; 2, electric vehicle door; 3, sealing mechanism; 301, first installation groove; 302, second installation groove; 303, first sealing strip; 304, sealing groove; 305, second sealing strip; 3051, abrasion-resistant layer; 3052, reinforcing layer; 3053, sealing layer. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Please refer to Figures 1-4 The present application provides a technical solution: an anti-wind-resistance electric sliding door sealing structure for a car, comprising a door frame 1, an electric car door 2 and a sealing mechanism 3. The electric car door 2 is installed on one side of the surface of the door frame 1, and the sealing mechanism 3 is arranged on the other side of the surface of the door frame 1.
[0021] The sealing mechanism 3 comprises a first installation groove 301, a second installation groove 302, a first sealing strip 303, a sealing groove 304 and a second sealing strip 305. The first installation groove 301 is formed on one side of the surface of the door frame 1, and the second installation groove 302 is formed on one side of the surface of the electric car door 2. The first sealing strip 303 is adhesively connected to one side of the surface of the door frame 1, and the second sealing strip 305 is adhesively connected to one side of the surface of the electric car door 2. The sealing groove 304 is formed on one side of the surface of the first sealing strip 303. Through the arrangement of the first installation groove 301, the second installation groove 302, the first sealing strip 303, the sealing groove 304 and the second sealing strip 305, in the use process, the first sealing strip 303 is adhesively connected to the surface of the door frame 1 through the first installation groove 301, and the second sealing strip 305 is adhesively connected to the surface of the electric car door 2 through the second installation groove 302. When the electric car door 2 is closed, since the first sealing strip 303 and the sealing groove 304 are designed as a concave strip, and the cross-sectional shape of the second sealing strip 305 is designed as a plurality of sealing lip structures, at this time, the second sealing strip 305 is embedded in the inside of the first sealing strip 303 through the sealing groove 304, so that the sealing effect can be achieved.
[0022] Further, the first sealing strip 303 is installed in the inside of the first installation groove 301, and the first sealing strip 303 and the sealing groove 304 are designed as a concave strip. Through the arrangement of the first sealing strip 303, in the use process, since the first sealing strip 303 and the sealing groove 304 are designed as a concave strip, the second sealing strip 305 can be conveniently embedded in the inside of the first sealing strip 303 to achieve the sealing effect.
[0023] Further, the second sealing strip 305 is installed in the interior of the second installation groove 302, the second sealing strip 305 is a convex strip, through the setting of the second sealing strip 305, in use, due to the cross-sectional shape of the second sealing strip 305 is designed with multiple sealing lip structures, so as to achieve the effect of multi-layer sealing.
[0024] Further, the second sealing strip 305 is a multi-layer composite structure, the second sealing strip 305 is sequentially from the outside to the inside of the wear-resistant layer 3051, the reinforcing layer 3052 and the sealing layer 3053, the cross-sectional shape of the second sealing strip 305 is designed with multiple sealing lip structures, through the setting of the wear-resistant layer 3051, the reinforcing layer 3052 and the sealing layer 3053, in use, the second sealing strip 305 adopts a special multi-layer composite structure, the outermost wear-resistant layer 3051 is a wear-resistant rubber layer, which can resist friction and scratching in daily use, protect the internal structure, the middle layer reinforcing layer 3052 is a high-strength support layer made of fiber reinforced material, such as glass fiber reinforced rubber or carbon fiber reinforced rubber, which has high strength and stiffness, can effectively resist the pressure generated by wind resistance, prevent the sealing rubber strip from deforming, the inner sealing layer 3053 is a sealing rubber layer, which directly contacts with the first sealing strip 303 to provide good sealing performance, the cross-sectional shape of the second sealing strip 305 is designed with multiple sealing lip structures, the sealing lip can tightly fit the first sealing strip 303 to form multiple sealing lines of defense.
[0025] Further, the wear-resistant layer 3051 is the outermost wear-resistant rubber layer, through the setting of the wear-resistant layer 3051, in use, the outermost wear-resistant layer 3051 is a wear-resistant rubber layer, which can resist friction and scratching in daily use, protect the internal structure.
[0026] Further, the reinforcing layer 3052 is a middle layer high-strength support layer, the reinforcing layer 3052 is made of fiber reinforced material, through the setting of the reinforcing layer 3052, in use, the middle layer reinforcing layer 3052 is a high-strength support layer made of fiber reinforced material, such as glass fiber reinforced rubber or carbon fiber reinforced rubber, which has high strength and stiffness, can effectively resist the pressure generated by wind resistance, prevent the sealing rubber strip from deforming.
[0027] Further, the sealing layer 3053 is an inner sealing rubber layer, through the setting of the sealing layer 3053, in use, the inner sealing layer 3053 is a sealing rubber layer, which directly contacts with the first sealing strip 303 to provide good sealing performance.
[0028] Working principle: first, the first sealing strip 303 is bonded and connected to the surface of the door frame 1 through the first installation slot 301, and the second sealing strip 305 is bonded and connected to the surface of the electric vehicle door 2 through the second installation slot 302, when the electric vehicle door 2 is closed, because the first sealing strip 303 and the sealing groove 304 constitute a concave strip, the cross-sectional shape of the second sealing strip 305 is designed to have a plurality of sealing lip structures, at this time the second sealing strip 305 is embedded in the inside of the first sealing strip 303 through the sealing groove 304, so as to achieve the sealing effect, the second sealing strip 305 adopts a special multi-layer composite structure, the outermost wear-resistant layer 3051 is a wear-resistant rubber layer, which can resist friction and scratching in daily use, protect the internal structure, the middle layer reinforcing layer 3052 is a high-strength support layer made of fiber reinforced material, such as glass fiber reinforced rubber or carbon fiber reinforced rubber, which has high strength and rigidity, can effectively resist the pressure generated by wind resistance, prevent the sealing rubber strip from deforming, the inner sealing layer 3053 is a sealing rubber layer, which directly contacts the first sealing strip 303, and provides good sealing performance, the cross-sectional shape of the second sealing strip 305 is designed to have a plurality of sealing lip structures, the sealing lip can tightly fit the first sealing strip 303, forming multiple sealing lines of defense.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A wind-resistant electric sliding door sealing structure for automobiles, comprising a door frame (1), an electric door (2), and a sealing mechanism (3), characterized in that: An electric vehicle door (2) is installed on one side of the surface of the door frame (1), and a sealing mechanism (3) is provided on one side of the surface of the door frame (1); The sealing mechanism (3) includes a first mounting groove (301), a second mounting groove (302), a first sealing strip (303), a sealing groove (304), and a second sealing strip (305). The first mounting groove (301) is provided on one side of the surface of the door frame (1), and the second mounting groove (302) is provided on one side of the surface of the electric vehicle door (2). The first sealing strip (303) is bonded to one side of the surface of the door frame (1), and the second sealing strip (305) is bonded to one side of the surface of the electric vehicle door (2). The sealing groove (304) is provided on one side of the surface of the first sealing strip (303).
2. The wind-resistant automotive electric sliding door sealing structure according to claim 1, characterized in that: The first sealing strip (303) is installed inside the first mounting groove (301), and the first sealing strip (303) and the sealing groove (304) form a concave strip.
3. The wind-resistant automotive electric sliding door sealing structure according to claim 1, characterized in that: The second sealing strip (305) is installed inside the second mounting groove (302), and the second sealing strip (305) is a convex strip.
4. The wind-resistant automotive electric sliding door sealing structure according to claim 1, characterized in that: The second sealing strip (305) is a multi-layer composite structure design. The second sealing strip (305) consists of a wear-resistant layer (3051), a reinforcing layer (3052) and a sealing layer (3053) from the outside to the inside. The cross-sectional shape of the second sealing strip (305) is designed with multiple sealing lips.
5. The wind-resistant automotive electric sliding door sealing structure according to claim 4, characterized in that: The wear-resistant layer (3051) is the outermost wear-resistant rubber layer.
6. The wind-resistant automotive electric sliding door sealing structure according to claim 4, characterized in that: The reinforcing layer (3052) is an intermediate high-strength support layer, and the reinforcing layer (3052) is made of fiber-reinforced material.
7. The wind-resistant automotive electric sliding door sealing structure according to claim 4, characterized in that: The sealing layer (3053) is an inner sealing rubber layer.