Inside diameter telescopic anti-theft ring-shaped mobile phone outer casing

Abstract

The invention pertains to the technical filed that: the invention relates to an internal diameter telescopic ring-shaped mobile telephone shell with a theft-proof function. The technical problems needing to be solved are that: the limitation of the shape of the current mobile telephone is overcome and the safety of carrying the traditional mobile telephone is improved. The technical proposal is that: the main body and the battery of the mobile telephone are embedded into a ring-shaped shell with a fixed size and connected through a power line; the surface of the inner ring of the ring-shaped shell is provided with a ring-shaped strip air bag which can be inflated and deflated freely; the whole shape of the mobile telephone provided with the shell is ring-shaped; when the ring-shaped air bag is deflated, the diameter of the inner ring of the ring-shaped shell of the whole mobile telephone is enlarged so that the palm can go through the mobile telephone to wear the telephone on the wrist; when the ring-shaped air bag is inflated, the diameter of the inner ring of the ring-shaped shell of the whole mobile telephone is shortened so that the palm cannot go through the mobile telephone and the telephone is locked on the wrist. The main purpose is to prevent theft and loss. In the picture, (1) represents the main body of the mobile telephone, (2) the power line, (3) the ring-shaped shell, (4) the battery of the mobile telephone, (5) the ring-shaped strip air bag, (6) a check valve, (7) a blast pump, (8) an airway and (9) a deflation valve.

Description

Technical field [0001] The invention relates to a ring-shaped mobile phone casing with a retractable inner diameter and an anti-theft function technical background [0002] At present, the shapes of the known mobile phone shells are complicated and varied, but the shells of traditional mobile phones do not have the anti-theft function. When the user carries the mobile phone, the safety is not guaranteed, and there is a possibility of being stolen or lost. Locking the mobile phone on the wrist is relatively safe. High. Contents of the invention [0003] In order to improve the safety of the existing mobile phone when carried around, the present invention provides a ring-shaped shell for the mobile phone. The complete body of the mobile phone with the shell is a closed ring shape, the diameter of the outer edge is fixed, and the diameter of the inner ring is scalable. The mobile phone is worn on the wrist by the user, and can be worn or removed conveniently on the wrist thr...

AI Technical Summary

Problems solved by technology

[0002] At present, the shapes of the known mobile phone shells are complicated and varied, but the shells of traditional mobile phones do not have the anti-theft function. When the user carries the mobile phone, the safety is not guaranteed, and there is a possibility of being stolen or lost. Locking the mobile phone on the wrist is relatively safe. High

Images