Filtration device of fresh air ventilation system
A filter device and fresh air system technology, applied in space heating and ventilation details, household heating, lighting and heating equipment, etc., can solve the troublesome problems of filter device disassembly and assembly, and achieve easy promotion and use, solve disassembly trouble, Simple operation effect
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0019] refer to Figure 1-4 , a filter device for a fresh air system, including a pipe 1 and a filter 2, the filter 2 is located inside the pipe 1, two holes 6 are opened on the inner walls of both sides of the pipe 1, the filter 2 is composed of an outer frame and a filter two first spring holes 9 are opened on both sides of the outer frame, and the first spring hole 9 is provided with a first spring and a clamping block 3, and one end of the clamping block 3 extends to the inside of the clamping hole 6, and the clamping One side of the block 3 is provided with a limit hole 7, and one side of the first spring hole 9 is provided with a first adjustment groove 15, the...
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