| 摘要 |
<p>The present invention relates to a noise preventing apparatus between generations in a broadcasting speaker wiring tube for an apartment house. The noise preventing apparatus between the generations in the broadcasting speaker wiring tube for the apartment house according to the present invention includes a square box shaped speaker wiring tube body, upper and lower soundproofing wedges on which soundproofing sponges are installed, respectively, upper and lower air tubes which prevent noises by sealing a space between the upper and lower soundproofing wedges and a connector, a bar spring which prevents the noises by inserting the upper and lower soundproofing wedges to a joint, and a speaker wiring tube cover. The noise preventing apparatus between the generations in the broadcasting speaker wiring tube for the apartment house efficiently prevents the noises and insulates heat. A connection operation or a replacement operation with a speaker is easily performed by securing a wide working space.</p> |
