A fixing structure for lower door trim panels and sheet metal.

Abstract

This utility model relates to the field of automotive door assembly technology, specifically to a fixing structure for a lower door trim panel and sheet metal. The structure includes a lower door trim panel, a boss, a positioning post, and sheet metal. The sheet metal has positioning holes. During assembly, the positioning post passes through the positioning holes in the sheet metal to position it. The boss abuts against and limits the sheet metal. The inclined angle of the front section of the positioning post allows it to easily pass through the positioning holes. Furthermore, the positioning post is a solid cylindrical structure, which reduces friction between the positioning post and the positioning holes during assembly, preventing wear and improving positioning accuracy. After positioning, a conventional locking structure passes through locking holes and locking buckles to lock and fix the lower door trim panel and sheet metal. Reinforcing ribs strengthen the lower door trim panel, ensuring product stability and assembly qualification rate, thereby solving the problems of easy wear and improper assembly.

Description

Technical Field

[0001] This utility model relates to the field of automotive door assembly technology, and in particular to a fixing structure for the lower trim panel of an automotive door and sheet metal. Background Technology

[0002] In recent years, with the rapid development of society, economy, and automotive technology, people have increasingly higher requirements for the practicality and appearance of automobiles. The lower door trim panel and sheet metal are two key parts of the car door structure.

[0003] The fixing structure between the lower door trim panel and the sheet metal is a key factor affecting the overall performance and service life of the door. Existing technology mainly uses mechanical fixing technology, which is fixed by mechanical connection methods such as screws and clips. This method is firm.

[0004] However, when the existing car door trim panels are fixedly assembled with the sheet metal, the positioning posts of the door trim panels are generally positioned with the positioning holes of the sheet metal in the form of cross ribs and bosses. During the assembly, the cross ribs and bosses rub against the positioning holes of the sheet metal, which can easily cause wear and improper assembly, making it inconvenient to use. Utility Model Content

[0005] The purpose of this utility model is to provide a fixing structure for the lower trim panel of an automobile door to the sheet metal, which solves the problems of easy wear and improper assembly.

[0006] To achieve the above objectives, this utility model provides a fixing structure for a car door lower trim panel and sheet metal, including a door lower trim panel, a boss, a positioning post, and sheet metal. The boss is fixedly connected to the door lower trim panel and is located on one side of the door lower trim panel. The positioning post is fixedly connected to the boss and is located on one side of the boss. The front section of the positioning post has an inclined angle. The positioning post is a solid structure and penetrates the sheet metal.

[0007] The sheet metal has a positioning hole that penetrates the sheet metal, and the positioning hole and the positioning post cooperate with each other.

[0008] The lower door trim panel has a reinforcing rib, which is fixedly connected to the lower door trim panel and is located on one side of the lower door trim panel.

[0009] The lower door trim panel has a locking buckle, which is fixedly connected to the lower door trim panel and located on one side of the lower door trim panel.

[0010] The sheet metal has a locking hole that penetrates through the sheet metal.

[0011] This utility model discloses a fixing structure for a lower door trim panel and sheet metal, comprising a lower door trim panel, a boss, a positioning post, and sheet metal. The sheet metal has positioning holes, the lower door trim panel has reinforcing ribs, a locking buckle, and a locking hole. The boss is fixedly connected to the lower door trim panel and located on one side of the lower door trim panel. The positioning post is fixedly connected to the boss and located on one side of the boss. The front section of the positioning post has an inclined angle. The positioning post is a solid structure and penetrates the sheet metal. During assembly, the positioning post is passed through the positioning hole in the sheet metal. The sheet metal is positioned, and the boss abuts against and limits the sheet metal. The inclined angle of the front section of the positioning post allows the positioning post to easily pass through the positioning hole. Furthermore, the positioning post is a solid cylindrical structure, which can reduce the friction between the positioning post and the positioning hole during assembly, prevent wear, and improve positioning accuracy. After positioning is completed, the lower door trim panel and the sheet metal are locked and fixed by passing through the locking hole and the locking buckle using a conventional locking structure. The strength of the lower door trim panel is enhanced by the reinforcing rib, ensuring product stability and assembly qualification rate, thereby solving the problems of easy wear and improper assembly. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the overall structure of the fixing structure between the lower trim panel of the car door and the sheet metal in an embodiment of this utility model.

[0014] Figure 2 This is a schematic diagram showing the connection between the positioning pin and the boss in the fixing structure of the lower trim panel of an automobile door and the sheet metal in an embodiment of this utility model.

[0015] Figure 3 This is a schematic diagram showing the connection between the reinforcing rib of the fixing structure between the lower door trim panel and the sheet metal in an embodiment of this utility model and the lower door trim panel.

[0016] In the diagram: 101-lower door trim panel, 102-protrusion, 103-positioning post, 104-sheet metal, 105-positioning hole, 106-reinforcing rib, 107-locking buckle, and 108-locking hole. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] Please see Figures 1-3 , Figure 1 This is a schematic diagram of the overall structure of the fixing structure between the lower trim panel of an automobile door and the sheet metal, according to an embodiment of this utility model. Figure 2 This is a schematic diagram showing the connection between the positioning pins and the bosses in the fixing structure of the lower trim panel of an automobile door and the sheet metal, according to an embodiment of this utility model. Figure 3 This is a schematic diagram of the connection between the reinforcing rib and the lower door trim panel of an embodiment of the present invention. The fixing structure of the lower door trim panel 101 and the sheet metal 104 includes the lower door trim panel 101, the boss 102, the positioning post 103, and the sheet metal 104. The sheet metal 104 has a positioning hole 105, the lower door trim panel 101 has a reinforcing rib 106, the lower door trim panel 101 has a locking buckle 107, and the sheet metal 104 has a locking hole 108. The aforementioned solution solves the problems of easy wear and improper assembly.

[0019] In this specific embodiment, during assembly, the positioning post 103 passes through the positioning hole 105 of the sheet metal 104, and the sheet metal 104 is positioned by the positioning post 103. The boss 102 abuts against and limits the sheet metal 104. The inclined angle of the front section of the positioning post 103 allows the positioning post 103 to easily pass through the positioning hole 105. Furthermore, the positioning post 103 is a solid cylindrical structure, which can reduce the friction between the positioning post 103 and the positioning hole 105 during assembly, prevent wear, and improve positioning accuracy. After positioning is completed, the lower door trim panel 101 and the sheet metal 104 are locked and fixed by a conventional locking structure passing through the locking hole 108 and the locking buckle 107. The strength of the lower door trim panel 101 is enhanced by the reinforcing rib 106, ensuring product stability and assembly qualification rate, thereby solving the problems of easy wear and improper assembly.

[0020] First, the boss 102 is fixedly connected to the lower door trim panel 101 and located on one side of the lower door trim panel 101. The positioning post 103 is fixedly connected to the boss 102. The front section of the positioning post 103 has an inclined angle and is located on one side of the boss 102. The positioning post 103 penetrates the sheet metal 104. The boss 102 is located on one side of the lower door trim panel 101, and the positioning post 103 is located on the side of the boss 102 away from the lower door trim panel 101. The sheet metal 104 is fitted onto the positioning post 103. The positioning post 103 is a solid structure, which enhances its strength. During assembly, the positioning post 103 is passed through the positioning hole 105 of the sheet metal 104. 3. The sheet metal 104 is positioned, and the boss 102 abuts against and limits the sheet metal 104. The inclined angle of the front section of the positioning post 103 allows the positioning post 103 to easily pass through the positioning hole 105. The positioning post 103 is a solid cylindrical structure, which can reduce the friction between the positioning post 103 and the positioning hole 105 during assembly, prevent wear, and improve positioning accuracy. After positioning is completed, the lower door trim panel 101 and the sheet metal 104 are locked and fixed by passing through the locking hole 108 and the locking buckle 107 through a conventional locking structure. The strength of the lower door trim panel 101 is strengthened by the reinforcing rib 106, which ensures product stability and assembly qualification rate, thereby solving the problems of easy wear and improper assembly.

[0021] The positioning hole 105 penetrates the sheet metal 104, and the positioning hole 105 and the positioning post 103 cooperate with each other, with the positioning post 103 penetrating the positioning hole 105.

[0022] Secondly, the reinforcing rib 106 is fixedly connected to the lower door trim panel 101. The reinforcing rib 106 is located on one side of the lower door trim panel 101. The reinforcing rib 106 is located on the side of the lower door trim panel 101 away from the positioning post 103. The reinforcing rib 106 strengthens the angle of the lower door trim panel 101.

[0023] Then, the locking buckle 107 is fixedly connected to the lower door trim panel 101 and is located on one side of the lower door trim panel 101, and the locking buckle 107 passes through the lower door trim panel 101.

[0024] Finally, the locking hole 108 penetrates the sheet metal 104 and is aligned with the locking buckle 107.

[0025] When using the fixing structure of the lower door trim panel 101 and sheet metal 104 in this embodiment, during assembly, the positioning post 103 passes through the positioning hole 105 of the sheet metal 104, and the sheet metal 104 is positioned by the positioning post 103. The boss 102 abuts and limits the sheet metal 104. The tilt angle of the front part of the positioning post 103 allows the positioning post 103 to easily pass through the positioning hole 105. Furthermore, the positioning post 103 is a solid cylindrical structure, which can reduce the friction between the positioning post 103 and the positioning hole 105 during assembly, prevent wear, and improve positioning accuracy. After positioning is completed, the lower door trim panel 101 and sheet metal 104 are locked and fixed by passing through the locking hole 108 and the locking buckle 107 through a conventional locking structure. The strength of the lower door trim panel 101 is strengthened by the reinforcing rib 106, ensuring product stability and assembly qualification rate, thereby solving the problems of easy wear and improper assembly.

[0026] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A fixing structure for a lower door trim panel and sheet metal, characterized in that: The device includes a lower door trim panel, a boss, a positioning post, and sheet metal. The boss is fixedly connected to the lower door trim panel and located on one side of the lower door trim panel. The positioning post is fixedly connected to the boss and located on one side of the boss. The front section of the positioning post has an inclined angle. The positioning post is a solid structure and penetrates the sheet metal.

2. The fixing structure between the lower trim panel of the automobile door and the sheet metal as described in claim 1, characterized in that: The sheet metal has a positioning hole that penetrates the sheet metal, and the positioning hole and the positioning post cooperate with each other.

3. The fixing structure between the lower trim panel of the automobile door and the sheet metal as described in claim 1, characterized in that: The lower door trim panel has a reinforcing rib, which is fixedly connected to the lower door trim panel and is located on one side of the lower door trim panel.

4. The fixing structure between the lower trim panel of the automobile door and the sheet metal as described in claim 1, characterized in that: The lower door trim panel has a locking buckle, which is fixedly connected to the lower door trim panel and located on one side of the lower door trim panel.

5. The fixing structure between the lower trim panel of the automobile door and the sheet metal as described in claim 1, characterized in that: The sheet metal has a locking hole that penetrates through the sheet metal.

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