Network Video Camera Having Dual-Joint Holder Structure

[0021]Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings.

[0022]As shown in FIGS. 1 and 2, a dual-joint holder 1 according to a first preferred embodiment of the present invention comprises a lower body cover 11, a turning base board 12, a base splint 13, and a base cover 14. The lower body cover 11 comprises a storing trough 111 and a first fixing ear 112 at a lower end thereof. The first fixing ear 112 is inserted into a first reverse U-shaped notches 122 located between a pair of first ears 121 of the turning base board 12. A hooking surface 1221 is provided above the first reverse U-shaped notch 122. Two damping rings 123 are inserted into respective sides of the first ears 121, respectively. A first bolt 124 is inserted through the first reverse U-shaped notch 122 and the first fixing ear 112 and locked by a first nut 125, functioning as a first turning joint 100. By the friction of the first damping rings