Metal shell and electronic device

By setting the fixing portion of the fixing plate and the support part on the inside of the metal shell of the automotive electronic control unit, the problem of sinking and deformation of the fixing plate during the assembly process is solved, the flatness of the case assembly and the firmness of the connection are achieved, and the reliability of the equipment is improved.

CN222655445UActive Publication Date: 2025-03-21欧摩威汽车电子(芜湖)有限公司
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Patent Information

Application Number
CN202420571456.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-03-21
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

During the assembly process, the metal shell of the existing automotive electronic control unit causes the fixing plate to sink and deform when the self-tapping screw is screwed in, which affects the assembly flatness and may lead to unsolid connections and affects the reliability of the equipment.

Method used

A metal case is designed, and the inner side of which is provided with a fixing portion including a fixing plate and a support portion. The fixing plate is provided with a fixing hole. The support portion is arranged between the fixing plate and the bottom of the case to support the fixing plate to avoid sinking and deformation.

Benefits of technology

The fixing plate is supported by the support part, sinking and deformation when the self-tapping screw is screwed in is avoided, the flatness of the metal shell after assembly is ensured, the firmness of the shell connection is enhanced, and the reliability of the electronic control unit is improved.

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Abstract

The utility model provides a metal shell, which comprises a first shell and a second shell, the first shell is provided with a first fixing hole, the inner side of the second shell is provided with a fixing part corresponding to the position of the first fixing hole, and the fixing part is formed by bending the extending part of the side wall of the second shell. The fixing part comprises a fixing plate provided with a second fixing hole and a supporting part, the supporting part is arranged between the fixing plate and the bottom of the second shell, and a self-tapping screw penetrating through the first fixing hole is fixed to the second fixing hole. The utility model also provides an electronic device. According to the metal shell and the electronic device provided by the utility model, the inner side of the shell is provided with the fixing part comprising the fixing plate and the supporting part, the fixing plate is provided with the fixing hole, and the supporting part is arranged between the fixing plate and the bottom of the shell and is used for supporting the fixing plate, so that the fixing plate can be prevented from sinking and deforming when a self-tapping screw is screwed in; and therefore, the flatness of the assembled metal shell is ensured.
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