| 摘要 |
A joint box for air conditioner piping is provided to charge insulating materials in a charging space thereof defined in a main body for improving insulating effect and preventing frosting and pollution of a connection space. A joint box for air conditioner piping includes a main body(1) containing buried pipes(3a,3b) from a connection space(11) between the buried pipes and external pipes(5a,5b). A barrier wall is mounted in a gap between the buried pipes and the external pipes for defining a charging space(13) for insulating materials(31) separately from the connection space, wherein the barrier wall is formed with an injection hole(14) for injecting the insulating materials into the charging space.
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