Automobile door top sealing strip

Abstract

The utility model discloses an automobile door top sealing strip and belongs to the technical field of automobile parts, the automobile door top sealing strip comprises a clamping groove of an inverted U-shaped structure, the clamping groove comprises a first side strip, a top strip and a second side strip which are connected in sequence, and a first upper clamping strip and a second upper clamping strip are arranged on the two sides of the top surface of the top strip correspondingly; the first upper clamping strip is located at the top of the first side strip, an upper side wall blade and a lower side wall blade are arranged on the outer side of the first side strip, a coating layer is sprayed to the surface of each side wall blade, the end of the second side strip is connected with a transversely-arranged connecting strip of an L-shaped structure, three sealing blades are distributed on the top face of the connecting strip, and the second upper clamping strip is arranged close to the second side strip. The second upper clamping strip, the sealing blade and the second side strip form an installation groove of the automobile glass, and a PE film is attached to the surface of the sealing blade. The novel section layout is adopted, the installation requirements of metal plates and glass are met, the better sealing effect and the better wind noise reducing effect are achieved, and the better driving comfort is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a top sealing strip for an automobile door. Background Art

[0002] In modern automotive design, the top door seal plays a crucial role. It not only prevents the intrusion of water, dust, and noise, but also directly impacts the overall structural strength and sealing performance of the door. Traditional top door seals are typically electrostatically flocked using polyester fiber (PES), a material with good water absorption and a moderate coefficient of friction.

[0003] Related prior arts, such as the Chinese patent application "A glass guide rail sealing strip structure for a vehicle and a vehicle", application number 201420613616.1, discloses that it includes: a sealing strip body arranged along the window sheet metal frame, a relatively extended first lip and a second lip are arranged on the side of the outer side of the sealing strip body in contact with the side metal of the vehicle, and a sinking structure is provided on the first lip and the second lip, and the sinking structure includes: a recessed portion lower than the first lip and the second lip, and a transition portion connecting the first lip and the second lip, a flocking area is provided on the first lip, the second lip and the transition portion, and a non-flocking area is provided in the recessed portion.

[0004] However, the electrostatic flocking process requires glue, which often contains volatile organic compounds (VOCs) such as benzene and toluene. This not only pollutes the environment but can also affect vehicle air quality, leading to VOC emissions violations. Furthermore, the design of traditional sealing strips creates significant resistance when the glass is raised or lowered, impacting the user experience.

[0005] The automobile door top sealing strip of this application is intended to solve the above-mentioned problems. Through innovative design and material selection, it improves sealing performance, reduces production costs, and reduces environmental impact, which is in line with the development trend of the modern automobile industry. Utility Model Content

[0006] The technical problem to be solved by this application is to provide a top sealing strip for automobile doors, which adopts a new cross-sectional layout to match the installation requirements of sheet metal and glass, achieve better sealing effect and reduce wind noise, and realize better driving comfort.

[0007] The technical solution adopted in this application is: a sealing strip for the top of a car door, comprising a slot with an inverted U-shaped structure, the slot comprising a first side strip, a top strip and a second side strip connected in sequence, a first upper clip strip and a second upper clip strip are respectively provided on both sides of the top surface of the top strip, the first upper clip strip is located at the top of the first side strip, two upper and lower side surrounding blades are provided on the outer side of the first side strip, the surface of the side surrounding blades is sprayed with a paint layer, the end of the second side strip is connected to a horizontal L-shaped connecting strip, the top surface of the connecting strip is provided with three sealing blades, the second upper clip strip is arranged close to the second side strip, the second upper clip strip, the sealing blades and the second side strip constitute an installation groove for the car glass, and the surface of the sealing blades is affixed with a PE film.

[0008] Compared with the existing technology, the advantages of this application are as follows: First, the sealing blades designed in this application are affixed with a PE film on the surface. PE film has a lower coefficient of friction, which can effectively reduce the resistance of the car glass during lifting and lowering, and prevent unusual noises caused by the glass lifting and lowering. Second, the side panel blades are spray-coated with paint, which has better wear resistance, effectively preventing damage when opening and closing the door, and extending the product's service life. Third, the top surface of the connecting strip of this application is provided with three sealing blades. These three sealing blades contact the car glass, thereby achieving a better sealing effect and reducing risk noise, thereby enhancing driving comfort. In summary, through the optimized structural layout, this application reduces wind resistance, reduces wind noise during driving, and improves driving comfort. In addition, the use of PE film, paint layer, etc. as the surface material of the blades reduces the impact on the environment and avoids the use of volatile organic compounds (VOCs) in traditional glue.

[0009] In this application, for the convenience of description, the Figure 1 The orientation is described as a reference and does not imply the orientation of the sealing strip product during actual use.

[0010] In some embodiments of the present application, the top of the top strip has a T-shaped cross-section, and the first upper clamping strip is an upwardly extending straight strip. The first upper clamping strip and the top strip form an L-shaped mounting groove. The T-shaped design can better match the installation environment, thereby improving the sealing effect and preventing the intrusion of water, dust, and noise. The L-shaped mounting groove provides a better fixing method, making the sealing strip more stable during installation and reducing displacement caused by vibration or external forces.

[0011] In some embodiments of the present application, a protrusion is provided at the center of the top surface of the top strip, and the cross section of the protrusion is a triangular structure. In the present application, the protrusion structure plays a certain shock-absorbing and buffering role, and prevents the top strip from getting stuck with the inner wall of the mounting structure.

[0012] In some embodiments of the present application, the second upper clip is located on top of the second side strip, with the end of the second upper clip bent toward the connecting strip. The second upper clip and the top strip form a second, inclined L-shaped mounting groove. This inclined L-shape allows for a better fit with the window glass, creating a closer contact and improving the seal to prevent water and dust infiltration. Improved sealing and stability can reduce noise and wind resistance in the vehicle, thereby enhancing driving comfort and improving the overall user experience.

[0013] In some embodiments of the present application, the second upper retaining strip is provided with flocking tape on the side in contact with the glass, and the flocking tape is attached to the second upper retaining strip. In the present application, the flocking tape is applied to the second upper retaining strip, which has the same effect as electrostatic flocking, but does not require glue, effectively reduces VOC emissions, and provides a stronger water-absorbing seal.

[0014] In some embodiments of the present application, the outer surface of the second side strip is locally and regularly provided with a plurality of ridges, the ridges forming a wavy shape. The wavy ridge structure can provide effective cushioning when the vehicle window is raised or lowered or the door is closed, reducing direct impact between the glass and the sealing strip, reducing vibration transmission, and improving driving comfort.

[0015] In some embodiments of the present application, the three sealing blades are respectively recorded as the first sealing blade, the second sealing blade and the third sealing blade from close to the second side strip to far away from the second side strip. The first sealing blade is arranged as a whole parallel to the second side strip. The second sealing blade is provided with several recesses on the side close to the first sealing blade, and the recesses are formed into a triangular structure. The end of the second upper clamping strip is correspondingly arranged between the first sealing blade and the second sealing blade.

[0016] The three-blade design creates a multi-seal effect, ensuring enhanced waterproofing, dustproofing, and soundproofing, enhancing interior comfort. The triangular recess on the second blade allows for more flexible deformation during window raising and lowering, reducing resistance, vibration, and noise, enhancing driving comfort.

[0017] In some embodiments of the present application, the outer side surface of the connecting strip is provided with a horizontal U-shaped mounting groove 3, which is located near the top surface of the connecting strip. The inner side surface of the connecting strip is provided with a mounting groove 4, which is located at the bottom of the connecting strip. The four mounting grooves, the three mounting grooves, and the card slot cooperate to achieve the installation of the door sheet metal. The reasonable layout of the mounting grooves can disperse the effects of external forces, reduce local stress concentration, and improve the overall strength and durability of the connecting strip. Through the reasonable design of the mounting grooves, the close fit between the sealing strip and the door sheet metal can be ensured, further improving the sealing effect and preventing the infiltration of water, dust and noise.

[0018] In some embodiments of the present application, the inner top surface of the connecting strip is provided with a raised strip, extending along the length of the sealing body and having an inverted triangular cross-section. This raised strip effectively disperses external pressure, enhancing the overall strength of the connecting strip and reducing deformation or damage during use. This reduces direct impact between the door sheet metal and the sealing strip, minimizing vibration transmission and enhancing driving comfort.

[0019] The above embodiments can be combined arbitrarily based on the common knowledge in this field. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present application will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. In addition, unless otherwise specified, the drawings are merely schematic representations of the composition or structure of the described objects and may contain exaggerated representations. The drawings are not necessarily drawn to scale.

[0021] Figure 1 This is a schematic diagram of the structure of this application;

[0022] Figure 2 This is a structural diagram of the assembly status of this application.

[0023] Among them, the specific descriptions of the figure marks are as follows: 1. slot; 2. first side strip; 3. top strip; 4. second side strip; 5. first upper clip strip; 6. second upper clip strip; 7. side blade; 8. paint layer; 9. connecting strip; 10. flocking tape; 11. ridge; 12. first sealing blade; 13. second sealing blade; 14. third sealing blade; 15. depression; 16. mounting groove one; 17. mounting groove two; 18. mounting groove three; 19. mounting groove four; 20. convex strip; 21. protrusion; 22. door sheet metal. DETAILED DESCRIPTION

[0024] The present application will be described in detail below with reference to the accompanying drawings.

[0025] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0026] A car door top sealing strip, embodiment 1 is as follows Figure 1As shown, the slot 1 comprises an inverted U-shaped structure, comprising a first side bar 2, a top bar 3, and a second side bar 4, connected in sequence. The top surface of the top bar 3 is flanked by a first upper bar 5 and a second upper bar 6, respectively. The first upper bar 5 sits atop the first side bar 2. Two upper and lower side panels 7 are located on the outer sides of the first side bar 2. The panels 7 are spray-coated with a layer of paint 8, which provides enhanced wear resistance and prevents breakage when opening and closing the door, extending the product's service life. The second side bar 4 is connected at its end to a horizontal L-shaped connecting bar 9. Three sealing blades are positioned on its top surface. These three sealing blades contact the vehicle's glass, achieving a better seal and reducing noise, thereby enhancing driving comfort. The second upper bar 6 is positioned adjacent to the second side bar 4. The second upper bar 6, the sealing blades, and the second side bar 4 form a mounting slot for the vehicle's glass. The sealing blades are coated with PE film. PE film has a lower coefficient of friction, effectively reducing resistance to the glass during lifting and lowering, and preventing any noise from the glass.

[0027] This application reduces wind resistance and wind noise during driving through an optimized structural layout, thereby improving driving comfort. Furthermore, the use of PE film and coating layer 8 as the surface material of the blade reduces environmental impact and avoids the use of volatile organic compounds (VOCs) in traditional glue.

[0028] In this application, for the convenience of description, the Figure 1 The orientation is described as a reference and does not imply the orientation of the sealing strip product during actual use.

[0029] Example 2, as Figures 1 to 2 As shown, the top cross-section of the top strip 3 is T-shaped, and the first upper retaining strip 5 is an upwardly extending straight strip. Together, the first upper retaining strip 5 and the top strip 3 form an L-shaped mounting groove 16. The T-shaped design better matches the installation environment, enhancing the sealing effect and preventing the intrusion of water, dust, and noise. The L-shaped mounting groove provides a better fixing method, making the sealing strip more stable during installation and reducing displacement caused by vibration or external forces.

[0030] A protrusion 21 is provided at the center of the top surface of the top strip 3, and the cross section of the protrusion 21 is a triangular structure. In this application, the protrusion 21 structure plays a certain shock-absorbing and buffering role, and prevents the top strip 3 from getting stuck with the inner wall of the mounting structure.

[0031] The second upper retaining strip 6 is located on top of the second side strip 4. The end of the second upper retaining strip 6 bends toward the connection strip 9. Together with the top strip 3, the second upper retaining strip 6 forms an inclined L-shaped mounting groove 17. This inclined L-shape allows for a better fit with the window glass, creating a closer contact and enhancing the seal to prevent water and dust infiltration. Improved sealing and stability reduce interior noise and wind resistance, thereby increasing driving comfort and improving the overall user experience.

[0032] The second upper clamping strip 6 is provided with a flocking tape 10 on the side in contact with the glass, and the flocking tape 10 is attached to the second upper clamping strip 6. In the present application, the flocking tape 10 is applied to the second upper clamping strip 6, which has the same effect as electrostatic flocking, but does not require glue, effectively reduces VOC emission, and the flocking tape 10 has a stronger water-absorbing sealing effect.

[0033] The outer surface of the second side strip 4 is locally and regularly provided with a plurality of ridges 11, which form a wavy shape. The wavy ridges 11 structure can provide effective cushioning when the car window is raised or lowered or the door is closed, reducing direct impact between the glass and the sealing strip, reducing vibration transmission, and improving driving comfort.

[0034] The three sealing blades are designated as the first sealing blade 12, the second sealing blade 13, and the third sealing blade 14, from closest to the second side strip 4 to furthest from the second side strip 4. The first sealing blade 12 is positioned entirely parallel to the second side strip 4. The second sealing blade 13 has several triangular recesses 15 on its side near the first sealing blade 12. The recesses 15 are positioned between the first and second sealing blades 12, 13. The end of the second upper retaining strip 6 is positioned between the first and second sealing blades 12, 13. The three sealing blades create a multi-layered seal, ensuring enhanced waterproofing, dustproofing, and soundproofing, enhancing interior comfort. The triangular recesses 15 on the second sealing blade 13 provide more flexible deformation during window raising and lowering, reducing resistance, vibration, and noise, and enhancing driving comfort.

[0035] The rest of the content of the second embodiment is the same as that of the first embodiment.

[0036] Example 3, as Figures 1 to 2As shown, the outer side of the connecting strip 9 is provided with a horizontal U-shaped mounting groove 3 18, which is located near the top surface of the connecting strip 9. The inner side of the connecting strip 9 is provided with a mounting groove 4 19, which is located at the bottom of the connecting strip 9. The mounting groove 4 19, the mounting groove 3 18, and the card slot 1 cooperate to achieve the installation of the vehicle door sheet metal 22. The rational layout of the mounting grooves can disperse the effects of external forces, reduce local stress concentration, and improve the overall strength and durability of the connecting strip 9. Through the rational design of the mounting grooves, a close fit between the sealing strip and the vehicle door sheet metal 22 can be ensured, further improving the sealing effect and preventing the infiltration of water, dust, and noise.

[0037] The inner top surface of the connecting strip 9 is provided with a raised strip 20, extending along the length of the sealing body. Its cross-section forms an inverted triangular structure. This raised strip 20 effectively disperses external pressure, enhancing the overall strength of the connecting strip 9 and reducing deformation or damage during use. This reduces direct impact between the door sheet metal 22 and the sealing strip, minimizing vibration transmission and enhancing driving comfort.

[0038] The rest of the content of the third embodiment is the same as that of the first or second embodiment.

[0039] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. A car door top sealing strip, characterized in that: The invention relates to a card slot (1) having an inverted U-shaped structure, wherein the card slot (1) comprises a first side strip (2), a top strip (3) and a second side strip (4) connected in sequence, a first upper card strip (5) and a second upper card strip (6) are respectively provided on both sides of the top surface of the top strip (3), the first upper card strip (5) is located on the top of the first side strip (2), an upper and lower side surrounding blades (7) are provided on the outer side of the first side strip (2), and a coating layer (8) is sprayed on the surface of the side surrounding blades (7), the end of the second side strip (4) is connected to a connecting strip (9) having a horizontal L-shaped structure, and three sealing blades are arranged on the top surface of the connecting strip (9), the second upper card strip (6) is arranged close to the second side strip (4), the second upper card strip (6), the sealing blades and the second side strip (4) constitute a mounting groove for the automobile glass, and the surface of the sealing blades is affixed with a PE film.

2. The automobile door top sealing strip according to claim 1, characterized in that: The top of the cross section of the top strip (3) is a T-shaped structure, the first upper clamping strip (5) is an upwardly erected straight strip structure, and the first upper clamping strip (5) and the top strip (3) form an L-shaped mounting groove (16).

3. The automobile door top sealing strip according to claim 1, characterized in that: A protrusion (21) is provided at the center of the top surface of the top strip (3), and the cross section of the protrusion (21) is a triangular structure.

4. The automobile door top sealing strip according to claim 1, characterized in that: The second upper clamping strip (6) is located at the top of the second side strip (4), and the end of the second upper clamping strip (6) is bent toward the side where the connecting strip (9) is located. The second upper clamping strip (6) and the top strip (3) form an inclined L-shaped mounting groove (17).

5. The automobile door top sealing strip according to claim 1 or 4, characterized in that: A flocking tape (10) is provided on the side of the second upper clamping strip (6) in contact with the glass, and the flocking tape (10) is attached to the second upper clamping strip (6).

6. The automobile door top sealing strip according to claim 1, characterized in that: The outer surface of the second side strip (4) is locally and regularly provided with a plurality of ridges (11), and the plurality of ridges (11) form a wave shape.

7. The automobile door top sealing strip according to claim 1, characterized in that: The three sealing blades are sequentially designated as a first sealing blade (12), a second sealing blade (13) and a third sealing blade (14) from close to the second side strip (4) to far away from the second side strip (4). The first sealing blade (12) is arranged parallel to the second side strip (4) as a whole. The second sealing blade (13) is provided with a plurality of recesses (15) on a side close to the first sealing blade (12). The recesses (15) are in a triangular structure. The end of the second upper clamping strip (6) is correspondingly arranged between the first sealing blade (12) and the second sealing blade (13).

8. The automobile door top sealing strip according to claim 1, characterized in that: The outer side surface of the connecting strip (9) is provided with a transverse U-shaped mounting groove three (18), and the mounting groove three (18) is arranged close to the top surface of the connecting strip (9).

9. The automobile door top sealing strip according to claim 1, characterized in that: The inner side surface of the connecting strip (9) is provided with a fourth mounting groove (19), which is located at the bottom of the connecting strip (9). The fourth mounting groove (19), the third mounting groove (18), and the card slot (1) cooperate to realize the installation of the door sheet metal (22).

10. The automobile door top sealing strip according to claim 1, characterized in that: The inner top surface of the connecting strip (9) is provided with a convex strip (20), which is arranged along the length direction of the sealing body, and the cross section of the convex strip (20) is an inverted triangular structure.

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