Door frame sealing strip corner structure

Abstract

The utility model discloses a door frame sealing strip corner structure which is provided with a window frame metal plate assembly. The automobile door inner plate is welded with the window frame metal plate assembly to form a welding seam; the door protection plate is connected with the vehicle door inner plate, and a gap is formed between the door protection plate and the window frame metal plate assembly; the first sealing strip is installed on the window frame metal plate assembly, and the first sealing strip shields the welding seam; the second sealing strip is installed on the window frame metal plate assembly, the gap between the door protection plate and the window frame metal plate assembly is filled with the second sealing strip, and by means of the door frame sealing strip connecting corner design, the appearance of a traditional upper section type vehicle door at the waist line is neat and attractive; and the NVH airtight performance of the whole vehicle is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and in particular relates to a door frame sealing strip corner structure. Background Art

[0002] In the process of implementing the utility model, the inventor found that the prior art has at least the following problems:

[0003] At present, the traditional upper door structure is welded by the upper door section and the inner and outer door panels. The following problems exist in the matching of the upper door section and the inner door panel: ① welding marks; ② gaps between the door guard plate and the window frame; ③ the risk of airtight leakage between the door guard plate and the window frame.

[0004] CN209395558U - A vehicle door for preventing the upper guide groove of a vehicle window from sliding relative to each other, discloses a vehicle door for preventing the upper guide groove of a vehicle window from sliding relative to each other, comprising a roller-pressed upper door, a guide groove and a door frame strip, wherein the guide groove is arranged in the door frame strip, and a plurality of notches are arranged on the door frame strip; a limit block is arranged on the guide groove, and the limit block is inserted into the notch, so as to be connected with the notch through the limit block, thereby limiting the sliding of the guide groove in the roller-pressed upper door, thereby achieving the purpose of preventing slipping, but the above-mentioned technical problems cannot be solved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a door frame sealing strip corner structure, so that the appearance of a traditional upper-section vehicle door at the waistline is neat and beautiful, and the NVH airtightness performance of the whole vehicle is improved.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a door frame sealing strip corner structure, having:

[0007] Window frame sheet metal assembly;

[0008] The door inner panel is welded to the window frame sheet metal assembly to form a weld;

[0009] A door guard plate connected to the door inner panel, with a gap between the door guard plate and the window frame sheet metal assembly;

[0010] a first sealing strip, mounted on the window frame sheet metal assembly, wherein the first sealing strip shields the weld;

[0011] A second sealing strip is installed on the window frame sheet metal assembly, and the second sealing strip fills the gap between the door guard plate and the window frame sheet metal assembly.

[0012] The first sealing strip is connected to the window frame sheet metal assembly via a buckle.

[0013] The first sealing strip is connected to the window frame sheet metal assembly via an adhesive tape.

[0014] The second sealing strip is connected to the window frame sheet metal assembly via a buckle.

[0015] The second sealing strip is connected to the window frame sheet metal assembly via an adhesive tape.

[0016] The course and length of the first sealing strip are adapted to the course and length of the weld seam.

[0017] One of the above technical solutions has the following advantages or beneficial effects: through the door frame sealing strip corner design, the appearance of the traditional upper door at the waistline is made neat and beautiful; and the NVH airtightness performance of the whole vehicle is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the prior art;

[0019] Figure 2 It is a structural schematic diagram of the corner structure of the door frame sealing strip provided in an embodiment of the utility model;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure of the corner structure of the door frame sealing strip;

[0021] Figure 4 for Figure 3 A cross-sectional view of

[0022] Figure 5 for Figure 2 A schematic diagram of the structure of the corner structure of the door frame sealing strip;

[0023] The marks in the above figures are: 1. Window frame sheet metal assembly, 2. Door inner panel, 3. Door guard plate, 4. First sealing strip, 5. Second sealing strip, 6. Buckle, 7. Clamp hole, 8. Tape. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 2 to 5, a door frame sealing strip corner structure, comprising: a window frame sheet metal assembly 1; a door inner panel 2, welded to the window frame sheet metal assembly 1 to form a weld; a door guard plate 3, connected to the door inner panel 2, with a gap between the door guard plate 3 and the window frame sheet metal assembly 1; a first sealing strip 4, installed on the window frame sheet metal assembly 1, the first sealing strip 4 shields the weld; a second sealing strip 5, installed on the window frame sheet metal assembly 1, the second sealing strip 5 fills the gap between the door guard plate 3 and the window frame sheet metal assembly 1. 1. Joint size / material thickness design (① Refer to the welding direction and length of the upper section and the door inner panel; ② The matching structure of the door guard plate 3 and the window frame). 2. Installation and fixing design (snap 6 fixed type / 3M adhesive type). Solve the above appearance and performance problems. ① The matching part of the upper section / door inner panel / door guard plate 3 is beautiful; ② Contribution to the NVH airtightness standard. Through the door frame sealing strip corner design, the appearance of the traditional upper door at the waistline is made neat and beautiful, and the NVH airtightness performance of the whole vehicle is improved.

[0026] The first sealing strip 4 is connected to the window frame sheet metal assembly 1 through the buckle 6. The second sealing strip 5 is connected to the window frame sheet metal assembly 1 through the buckle 6. Figure 3-4 It is a back view and a cross-sectional view of the door frame sealing strip corner fixed to the sheet metal by means of a buckle 6.

[0027] The first sealing strip 4 is connected to the window frame sheet metal assembly 1 through the adhesive tape 8. The second sealing strip 5 is connected to the window frame sheet metal assembly 1 through the adhesive tape 8. Figure 5 It is a back view of the door frame sealing strip corner adhered to the sheet metal by 3M tape 8.

[0028] The direction and length of the first sealing strip 4 are adapted to the direction and length of the weld. The size and material thickness are designed according to the welding direction and length of the upper sheet metal and the door inner panel 2 / the matching structure of the door guard 3 and the window frame. It is used for traditional upper-view doors of automobiles to solve the appearance and performance problems generated at the waistline.

[0029] After adopting the above structure, through the door frame sealing strip corner design, the appearance of the traditional upper door at the waistline is made neat and beautiful; the NVH airtightness performance of the whole vehicle is improved.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door frame sealing strip corner structure, characterized in that: have: Window frame sheet metal assembly; The door inner panel is welded to the window frame sheet metal assembly to form a weld; A door guard plate connected to the door inner panel, with a gap between the door guard plate and the window frame sheet metal assembly; a first sealing strip, mounted on the window frame sheet metal assembly, wherein the first sealing strip shields the weld; A second sealing strip is installed on the window frame sheet metal assembly, and the second sealing strip fills the gap between the door guard plate and the window frame sheet metal assembly.

2. The door frame sealing strip corner structure according to claim 1, characterized in that: The first sealing strip is connected to the window frame sheet metal assembly via a buckle.

3. The door frame sealing strip corner structure according to claim 1, characterized in that: The first sealing strip is connected to the window frame sheet metal assembly via an adhesive tape.

4. The door frame sealing strip corner structure according to claim 2 or 3, characterized in that: The second sealing strip is connected to the window frame sheet metal assembly via a buckle.

5. The door frame sealing strip corner structure according to claim 2 or 3, characterized in that: The second sealing strip is connected to the window frame sheet metal assembly via an adhesive tape.

6. The door frame sealing strip corner structure according to claim 4, characterized in that: The course and length of the first sealing strip are adapted to the course and length of the weld seam.

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