Municipal drainage device
A drainage device and municipal technology, applied in the direction of circuit devices, battery circuit devices, transportation and packaging, etc., can solve the problems of damage to the overall equipment, shorten the service life of internal parts of the equipment, and resonance of internal parts of the equipment, and achieve the effect of shortening the service life
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[0022] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] see Figure 1-3 , the present invention provides a technical solution: a municipal drainage device, such as figure 1 and figure 2 As shown, the top of the installation box 1 is provided with a ventilation hole 2, and the bottom of the installation box 1 is installed with a roller 3 through a connecting block, the bottom end of the installation box 1 is fixed with a shock absorbing spring 4, and the top of the shock absorbing spring 4 is fixed with a m...
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