Single-pipe supply fire escape equipment
A supply equipment and fire-fighting technology, applied in life-saving equipment, respiratory protection devices, fire rescue, etc., can solve the problem of limited filtering effect of poison filter
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no. 1 example
[0019] The fire escape equipment provided by the first embodiment of the present invention includes a mask for protecting the user's head and a supply device. A mouth and nose mask is arranged in the mask, and an air inlet / water inlet hose connector is arranged on the outside of the mouth and nose mask. A water inlet / air head for releasing clean air / or water supply to the oronasal mask is provided, and an exhaust hole for discharging air to the outside is also arranged on the oronasal mask, and a filter is arranged on the exhaust hole. The supply device supplies air and / or water to the inlet / water inlet hose connector of the oronasal mask through the pipeline.
[0020] figure 1 It is a schematic diagram of the axial section of the supply equipment of the fire escape equipment provided by the present invention. Such as figure 1 As shown, the supply equipment includes an inner cylinder 2 and an outer cylinder 1 arranged outside the inner cylinder. The cavity 3 in the inner cyl...
no. 2 example
[0024] image 3 It is a schematic diagram of the axial section of the supply equipment of the fire escape equipment provided by the second embodiment of the present invention; image 3 As shown, the supply equipment provided by the second embodiment of the present invention is compared with the first embodiment, the only difference is that the inner cylinder is made of elastic material into an ellipsoid shape, and the second end of the water pipe 6 does not have to be arranged in the cavity 4, other structures are the same as those of the first embodiment, and will not be repeated here. Compared with the first embodiment, the inner barrel in the second embodiment is made of elastic material, so when the valve core is pushed to the third position and rotated to the position where the second through hole communicates with the water supply / air supply joint At this time, due to the pressure of the compressed air in the inner cylinder 3, the water in the cavity 4 is squeezed and d...
no. 3 example
[0026] The fire escape equipment provided by the third embodiment of the present invention includes a mask for protecting the user's head and a supply device. The mask is provided with a mouth and nose mask. The inside of the mouth and nose mask releases the air intake hole of clean air, and the mouth and nose mask is also provided with an exhaust hole for discharging gas to the outside world, and a filter is arranged at the exhaust hole, and a water inlet hose connector is also arranged on the outside of the mouth and nose mask , The inside of the mouth and nose mask is also provided with a water supply head for drinking water for users. The supply device provides clean air to the inlet hose connector on the oronasal mask through the first pipeline, and supplies drinking water to the water inlet hose connector on the oronasal mask through the second pipeline.
[0027] Figure 4 It is a schematic axial cross-sectional view of the supply equipment of the fire escape equipment ...
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