Title:
OILPROOF STRUCTURE FOR WORK MACHINE
Document Type and Number:
Japanese Patent JP2023119478
Kind Code:
A
Abstract:
To provide an oilproof structure for a work machine 1 capable of preventing leaked oil from flowing out from a clearance W1 between a frame casing 11 and an oil retaining dike 14 and also preventing sound leakage while adopting a configuration in which the oil retaining dike 14 is accommodated in the frame casing 11.SOLUTION: In an oilproof structure for a work machine, the work machine 1 comprises a frame 10 serving as a base table and a soundproof box 2 constituted by a soundproof case 2a covering an upper side of the frame 10. The frame 10 is composed of: a frame casing 11 serving as an outer frame of the frame 10; and a bottomed frame type oil retaining dike 14 accommodated in the frame casing 11 and opened upwardly. A communication port 13 communicating a space in the soundproof case 2a with a space in the oil retaining dike 14 is provided on an upper surface of the frame casing 11, and an elastic closing member 20 is disposed in a clearance W1 generated between the frame casing 11 and the oil retaining dike 14.SELECTED DRAWING: Figure 5
Inventors:
WATABE ATSUSHI
Application Number:
JP2022022403A
Publication Date:
August 28, 2023
Filing Date:
February 16, 2022
Export Citation:
Assignee:
HOKUETSU KOGYO CO
International Classes:
F02B63/04; F02B63/00; F02B77/13
Attorney, Agent or Firm:
Ogura Patent Office