Device and method for detecting connection strength

A connection strength and connection hole technology, which is applied in the field of devices for detecting the connection strength of automobile seat belts and automobile bodies, can solve the problems of inconvenient detection and high cost

Active Publication Date: 2012-11-21
SAIC GENERAL MOTORS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this detection method is that it needs to use the

Method used

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  • Device and method for detecting connection strength
  • Device and method for detecting connection strength
  • Device and method for detecting connection strength

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Embodiment Construction

[0030] Figure 1a-3 and the following description describe alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. In order to teach the technical solutions of the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art should understand that modifications or substitutions from these embodiments will fall within the protection scope of the present invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. As such, the invention is not limited to the alternative embodiments described below, but only by the claims and their equivalents.

[0031] figure 2 A device for detecting the strength of the connection between the first fixing element and the sheet metal part is shown when the pulling force F is at 90 degrees to the sheet metal part. Such as figure 2 As shown...

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Abstract

The invention relates to a device for detecting connection strength. The device is used for detecting connection strength between a first fixing part and a metal plate and comprises an upper clamping part, a lower fixing base and at least two second fixing parts; when the connection strength is detected, the metal plate which is connected with the first fixing part is fixed between the upper clamping part and the lower fixing base by means of the at least two second fixing parts, then by the aid of the upper clamping part, a tension device applies a set pull force to the first fixing part and the metal plate which are connected with each other, and deformation displacement between the first fixing part and the metal plate is detected to determine whether the connection between the first fixing part and the metal plate is effective. The invention further relates to a method for detecting the connection strength. The device and the method for detecting the connection strength are simple, convenient and low in cost.

Description

【Technical field】 [0001] The invention relates to a device and a method for detecting connection strength, in particular to a device and method for detecting the connection strength of an automobile safety belt and an automobile body. 【Background technique】 [0002] In many machine designs, components are joined by fasteners connecting them to panels. For example, in the car design, the connection between the car seat and the car body, the connection between the car seat belt and the car body, and even the connection between the fixing parts on the car child seat and the car body all adopt this connection form. In order to ensure the safety of the occupants in the car, all countries have very strict regulations on the connection strength of car seats, car seat belts and car child seats. At present, in order to detect whether the connection strength of car seats, car seat belts and car child seats to the car body meets the requirements of national regulations, it is generall...

Claims

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Application Information

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IPC IPC(8): G01M13/00
Inventor 曹兆友沈玉婷王彩梅孙奕王海亮沈海东石春梅
Owner SAIC GENERAL MOTORS
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