Portable device holder

A portable device holder comprising:

• a strap which is formed in a band shape in which the length is longer than the width, both side tip parts are wider than a central part, the both sides are formed to be symmetrical with each other, and a hooking part having an outwardly protruding structure is respectively formed at the side surface of the both side tip parts;
• a fixing plate in which a rectangular pull-out part is formed through the central part so that the central part of the strap can be exposed to the outside, and a strap housing part having a shape corresponding to the tip part of the strap on both sides around the strap pull-out part is formed in a groove shape on the back side;
• a closing plate which is attached to the back side of the fixing plate to block the strap pull-out part and the strap housing part from being opened rearward;
• a movable plate which is installed on the central part of the strap, and operates to be spaced apart from the fixed plate at regular intervals while protruding the central part of the strap through the strap pull-out part of the fixing plate when the tip parts of the strap are operated in a direction close to each other;
• and
• an attachment means which is formed on one side surface of the closing plate so that the closing plate can be maintained in a state attached to the back side of the portable device.