| 摘要 |
Disclosed is a maintenance window, comprising: a housing (10), and a maintenance window cover (20) for closing the housing (10), wherein the housing (10) is connected to the maintenance window cover (20) by a hinged structure; and the hinged structure comprises an elastic body (30) for generating a damping effect on the maintenance window cover (20). When a maintenance person opens the maintenance window cover to any degree, the elastic body can apply a force to the maintenance window cover to prevent the maintenance window cover from closing again, and thus the maintenance window cover can be fixed at any degree without any support, which facilitates the maintenance person performing maintenance. |
