Marine mute door structure
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- JIANGXI CHAOYANG MACHINE PLANT
- Publication Date
- 2020-02-21
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the technical field of ships, and particularly designs a ship door structure. Background technique
[0002] At present, in order to improve the comfort of the ship, the cabin doors and other doors in the ship are often filled with sound-insulating or sound-absorbing materials to block the transmission of noise, which effectively enhances the noise reduction effect and improves the comfort of passengers. However, such doors The body only considers the sound insulation or sound absorption of the noise from the outside, and does not consider the noise generated by the door lock, hinge, pulley, etc. during the use of the door itself. When the door is used in the initial stage, due to the small deformation of the metal, each The fit of the parts is still relatively accurate, and there is no rust, and the lubrication is sufficient. The noise generated by the door itself is generally very small, and the manufacturer often does not pay...