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Buckle structure of a plastic part

A buckle structure and technology of plastic parts, applied in the field of auto parts, can solve the problems of easy failure of the limit, difficult assembly and disassembly, and failure of the clamping connection.

Active Publication Date: 2017-11-07
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a buckle structure for plastic parts, which solves the problems of difficulty in assembly and disassembly during the buckling process, easy failure of the limit position, and failure of the buckle due to assembly deviation.

Method used

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  • Buckle structure of a plastic part
  • Buckle structure of a plastic part
  • Buckle structure of a plastic part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The buckle structure of the plastic part involved in the present invention will be described in detail below with reference to the accompanying drawings.

[0014] like image 3 As shown, a buckle structure of a plastic part disclosed in the present invention includes a buckle plate 1 and a groove plate 4 snap-fitted therewith.

[0015] like figure 1 As shown, the plate-shaped limiting piece 2 protrudes outward from the surface of the buckle plate 1 , and the top part of the plate-shaped limiting piece 2 is provided with a hook 3 .

[0016] like figure 2 As shown, the slot plate 4 is provided with a transverse groove 6, and the transverse slot 6 transitions from a bar-shaped slot 61 to a trapezoidal slot 62; Compression sheet 5.

[0017] like Figure 3 to Figure 5 As shown, when snapping, the plate-shaped limiting piece 2 extends from the trapezoidal groove 62 and is pushed to one side of the bar-shaped groove, and the depth of the plate-shaped limiting piece 2 ent...

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PUM

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Abstract

A buckle structure of a plastic part disclosed by the present invention comprises a buckle plate and a slot plate that is snapped and matched with it. The board surface of the buckle plate protrudes outward from a plate-shaped stopper, and the top of the plate-shaped stopper Some hooks are provided; the slot plate is provided with a transverse groove, and the horizontal slot transitions from a strip slot to a trapezoidal slot; the slot edge of the slot plate along the length direction of the transverse slot is turned out to the limit compression piece corresponding to the hook; The hook clasps the top of the limiting compression piece, and the bar-shaped groove clamps the root of the plate-shaped limiting piece together with the root of the limiting compression piece in the groove width direction. The clamping in two directions ensures that the plastic parts are buckled Effective limit in the clamping direction and the width direction of the notch.

Description

technical field [0001] The invention belongs to auto parts, in particular to a buckle structure of an auto plastic part. Background technique [0002] There are two main parts for the commonly used buckle and snap-fit ​​structure between automotive plastic trim parts: the trim part with its own hook structure, and the trim part with a slot that cooperates with the trim part. Usually the self-contained hook structure is a triangular hook, and the corresponding matching slot is a strip slot. There is a limit compression piece on the side of the slot. The force is relatively large, and the snap-on decorations are all plastic materials with high hardness (such as ABS plastic or ASA plastic), which makes it difficult to assemble and disassemble; the limit pressing piece needs to be deformed for assembly and disassembly, and the stress at its root is too large , The limit compression piece often breaks and fails. In addition, in the pressing direction of the limit pressing piece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B21/08
Inventor 赵学芳曹渡王司民
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD