An improved car door panel interior structure
A door panel, automobile technology, applied in the field of auto parts, can solve the problems of easy loosening and falling off, large volume, complex structure, etc.
Active Publication Date: 2021-07-06
湖北三江航天江河橡塑有限公司
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Problems solved by technology
[0002] Auto door trim is an important auto parts, usually injection molding of engineering plastics, its larger volume and more complex structure
In the past, the following problems generally existed in the interior parts of automobile door panels: (1) Due to reasons such as molds and processes in the design, the thickness of the interior parts of the door panels was basically the same, which caused the edge arc transition or The flange is prone to deformation when cooling after forming, and there is a large gap between the sheet metal and the sheet metal after assembly; (2) The screw column used for connection and fixation is partially too thick, resulting in a slower cooling rate than other parts, and the surface is formed after shrinking Dents are prone to appearance defects; (3) There is no reliable benchmark for assembly and measurement, which is prone to deviations, and gaps are likely to be left on the edges to cause abnormal noise; (4) The sound insulation cotton is not firmly pasted or welded, and it is easy to loosen and fall off
Method used
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[0022] In order to enable those skilled in the art to fully understand the technical solutions and beneficial effects of the present invention, further description will be given below in conjunction with specific examples.
[0023] Such as Figure 1-9 An improved automobile door panel interior part shown includes a main body 1 of the interior part and an accessory 7 assembled on the upper side of its back, and the two are matched and fixed by positioning pins and positioning holes. Among them, two positioning pins are designed at a certain distance on the back of the main body of the interior trim, and corresponding main and auxiliary positioning holes are arranged on the accessories. The main positioning hole 8 is circular, the auxiliary positioning hole 9 is oval, and the two positioning holes in a straight line. When assembling, first insert one of the positioning pins (φ9±0.2mm, height 30mm) into the main positioning hole (φ9.2±0.5mm), and then insert the other positionin...
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The invention relates to an improved interior structure of the automobile door panel, which adopts different thinning treatments on the R angle parts of the surrounding flanging and the roots of the fixing screw columns, as well as adding matching main and auxiliary positioning pin positioning holes, measuring reference lines and other means , to ensure that the front of the formed car door panel interior parts is free of defects and the accuracy and speed of the assembly of accessories. The sound-absorbing cotton is more tightly bonded by the welding ribs and will not fall off naturally.
Description
technical field [0001] The invention relates to the technical field of auto parts, in particular to an improved structure of an interior part of an auto door panel. Background technique [0002] Auto door trim is an important auto parts, usually using engineering plastic injection molding, its larger volume and more complicated structure. In the past, the following problems generally existed in the interior parts of automobile door panels: (1) Due to reasons such as molds and processes in the design, the thickness of the interior parts of the door panels was basically the same, which caused the edge arc transition or The flange is prone to deformation when cooling after forming, and there is a large gap between the sheet metal and the sheet metal after assembly; (2) The screw column used for connection and fixation is partially too thick, resulting in a slower cooling rate than other parts, and the surface is formed after shrinking Dents are prone to appearance defects; (3)...
Claims
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IPC IPC(8): B60R13/02
CPCB60R13/0243
Inventor 刘海龙郑刚
Owner 湖北三江航天江河橡塑有限公司