| 摘要 |
The present invention relates to a convenient welding helmet comprising a lens support, a lens frame, transparent protective glasses, welding sunglasses, loopholes, a shade for cover face, a head belt, clamping springs, a light screen and a lower bracket. The covering shade is fixed to the lens support and the lower bracket by push buttons. The head belt is joined to the two edges of the lens support, the loopholes is located on the two sides of the lens support. The strip welding sunglasses are laminated on the transparent protective glasses, which are fixed to the inside of the lens frame by the clamping springs. The upper and lower ends of the clamping springs are fixed by a clamping pedestal and two supporting pedestals. The lower bracket is mounted under the lens support by screws. The light screen may be mounted on or pivoted on the lens frame, or may be removed. The push buttons for mounting a helmet are mounted on the top outside and left and right sides of the lens support. The helmet may be mounted or removed according to requirement. In addition, the bigger covering shade may be selected. The present welding helmet mainly is used for protect eyes, face and head while electric welding and gas welding. The welding helmet is weared on the head, and does not need hands, so it is easy to use, more convenient to change glasses, and could keep out highlight without obstructing observation, keep away splash spark sand when gas cutting.
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