Door opening device for heavy construction equipment

Abstract

Provided is a door opening device for heavy construction equipment. A door opening device is provided with a latch member rotating in a latch housing installed on one side of a door panel, and includes a latch control lever having a hinge part elastically supported on one side of an upper frame or a lower frame of a door, a handle extending from one side of the hinge part, and a yoke formed on the other side of the hinge part, the latch control lever forming a traction force on the yoke when the handle is rotated about the hinge part by an external force; a rotary shaft shaft-engaged with thelatch member and having a swing part formed to extend to an outer side of the latch member, the rotary shaft rotating in a body with the latch member so that the latch member is released by the traction force of the latch control lever; and a traction cable having one end fixed to the yoke of the latch control lever and the other end connected to the swing part of the rotary shaft. Even if the assembly of the latch housing and the latch member closes the door on the door panel, the door can be easily opened using the traction force of the latch control lever on the upper part or the lower part of the door that can be easily accessed.

Description

[0001] Cross References to Related Applications [0002] This application is based upon and claims the benefit of priority from Korean Patent Application No. 10-2007-0052775 filed with the Korean Intellectual Property Office on May 30, 2007, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to a door opener for heavy construction equipment, in particular, to a door opener for heavy construction equipment with improved remote Even when the user is far away from the door panel and the lock housing, the user can smoothly perform the lock / release operation of the lock, thereby improving the user's convenience and making the user more secure. Background technique [0004] Generally, in heavy construction equipment such as excavators, loaders, forklifts, various doors such as cab doors, side doors, engine hoods, tool box doors, etc. are installed, and in order to open / close such doors, various locks ...

AI Technical Summary

Problems solved by technology

[0010] On the other hand, if the lever, lock housing and lock member assembly attached to the door panel is partially mounted on the upper or lower portion of the door and the platform is not properly designed or accounted for, then the user may experience problems when manipulating the door. The posture may be good when the lever is lifted, but the center of gravity or load of the door may be biased towards the upper or lower part of the door, which may make the opening / closing of the door unstable

Images