Protection case for electronic device

Abstract

A protection case for protecting an electronic device includes a body shaped to receive and hold to the electronic device, and a cover. A space is formed between the cover and the body, and an opening is defined in the cover. A lanyard passes through the opening and is partly received in the space, and an elastic element is accommodated in the space. The lanyard includes a first end fixed to the protection case, and a second end connected to the lanyard.

What is claimed is: 
     
         1 . A protection case for protecting an electronic device comprising:
 a body shaped to removably accept the electronic device;   a cover coupled to the body, the cover and the body defining a space therebetween;   the cover having an opening defined therethrough;   a lanyard passing through the opening and partially received in the space; and   an elastic element accommodated in the space and comprising a first end fixed to the protection case and a second end connected to the lanyard.   
     
     
         2 . The protection case of  claim 1 , wherein the elastic element is a coiling spring, the first end is located at a center of the coiling spring, and the second end is located at a circumference of the coiling spring. 
     
     
         3 . The protection case of  claim 2 , wherein a fixing portion is arranged on a surface of the panel configured to fix the first end of the coiling spring. 
     
     
         4 . The protection case of  claim 1 , wherein the cover includes a panel and a plurality of side walls surrounding and connected to the panel, the space is surrounded by the panel, the side walls and the body, the opening is defined in the side wall. 
     
     
         5 . The protection case of  claim 4 , wherein the number of the opening is two, two openings are defined in one of the side walls, a head and a tail of the lanyard respectively pass through the two openings and connected together to form a circular shaped lanyard. 
     
     
         6 . The protection case of  claim 5 , wherein the head and the tail of the lanyard are fastened to the second end of the elastic element. 
     
     
         7 . The protection case of  claim 1 , further comprising a button, and a through hole defined in the cover, wherein the button comprises a button body partly passing through the through hole and a stopper portion configured to prevent the button dropping out of the through hole, a elastic portion is resisted between the button and the body, the button configured to transition between a released configuration in which the lanyard is locked between the stopper portion and the cover, and a pressed configuration in which the lanyard is released. 
     
     
         8 . The protection case of  claim 7 , wherein a recess is defined in the button to receive the elastic portion. 
     
     
         9 . The protection case of  claim 7 , wherein stopper portion is a flange extend from an end of the button body.