| 摘要 |
<p>The present invention relates to a conveyor roller having an injection function including a shaft inserted into a roller body and a bearing formed between the roller body and shaft and supporting the roller body to be able to rotate around the shaft. A cavity is formed on the shaft, and a fire-extinguishing agent is received in the cavity. In addition, the conveyor roller includes a nozzle member joined to the shaft to be communicated with the cavity of the shaft and a preventing member formed on the shaft and preventing the fire-extinguishing agent received in the cavity from being supplied to the nozzle member. The conveyor roller has the injection function injecting the fire-extinguishing agent to the outside trough the nozzle member when preventing member is damaged. The conveyor roller is capable of preventing the fire-extinguishing agent from being overheated and extinguishing fire when the conveyor roller is overheated or in case of fire, as the fire extinguishing agent is injected and extinguishes a fire by itself even though the conveyor roller is installed in a place difficult to access.</p> |
