Environmental noise reduction device
A noise reduction device and noise technology, applied in the fields of noise suppression, space heating and ventilation details, household heating, etc., can solve the problems of large noise at the exhaust outlet of the air conditioner, affecting daily life, etc.
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[0026] The following is further described in detail through specific implementation methods:
[0027] The reference signs in the accompanying drawings of the description include: base 1, housing 2, silencer hole 3, two-way screw rod 4, smooth part 5, rotating blade 6, nut 7, supporting airbag 8, pressing rod 9, pressing block 10 , Silencer air bag 11, back-moving spring 12, push rod 13, push plate 14, air supply bag 15, second air guide tube 16, support spring 17, cam 18, ball 19, chute 20, bearing 21.
[0028] The embodiment is basically as figure 1 , figure 2 As shown: the environmental protection noise reduction device, including a base 1 and a shell 2, the shell 2 is located above the base 1, a support spring 17 is connected between the shell 2 and the base 1, and a number of silencer holes 3 are provided on the shell 2, The inside of the shell 2 is provided with soundproof cotton, and the inside of the shell 2 is provided with a two-way screw rod 4, combined with Fig...
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