Multifunctional foam gun with protective function
A protective function and multi-functional technology, applied in the field of foam guns, can solve the problems of limited spraying distance of foam fire extinguishing agent, inability to protect itself, and inability to meet the needs of fire extinguishing, etc. It achieves the effects of convenient operation, high foaming multiple, and reduced equipment cost
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[0018] Example 1
[0019] Such as Figure 1-2 As shown, the present invention provides a multifunctional foam gun with protective function, including a main body 1, a mixture inlet 2 is provided inside the main body 1, and a water flow back sheet 3 is provided on one side of the mixture inlet 2. A self-protection switch 4 is provided on one side of the water flow reverser 3, a self-protection liquid outlet 5 is provided on one side of the self-protection switch 4, and a first negative pressure air inlet 6 is provided on one side of the self-protection liquid outlet 5, One side of the first negative pressure air inlet 6 is provided with a central impact water outlet 7, a water jet sloping port 8 is provided on the outside of the central impact water outlet 7, and an air-water foam mixing section 9 is provided on the side of the central impact water outlet 7 , The top of one end of the air-water foam mixing section 9 is provided with a second negative pressure air inlet 10, and on...
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