A kind of elevator door cutter
Technical field
The utility model relates to the elevator field, especially a kind of elevator door cutter.
Background technology
The elevator door cutter is very important concerning the safety performance of elevator operation, generally drives the tool arm closure by attaching parts, but attaching parts control ratio limitation, sometimes the position is far away relatively.
Summary of the invention
In order to solve the technical matters of limitation of above-mentioned dependence attaching parts control ratio, the utility model provides a kind of elevator door cutter.
The technical solution of the utility model is as follows:
A kind of elevator door cutter, comprise a cutter base plate, latch hook, rocking arm and attaching parts A, described rocking arm rotation is installed on the cutter base plate, mounting blocks on the described rocking arm sees through door cutter base plate and is stuck on the attaching parts A, and described attaching parts A connects attaching parts B lower end by pull bar, and described attaching parts B rotation is installed on the registration mast, rotary connection with tool arm in both sides, attaching parts B upper end, also be provided with attaching parts C between the described tool arm, described rocking arm midway location is provided with locking column, and tool arm separate lock fixed column is pinned by latch hook.
As preferably, described rocking arm both sides are provided with spacing rubber, and described latch hook rotation is installed on the spacing rubber, and described spacing rubber is positioned at the pull bar opposite side.
Use the technical solution of the utility model, attaching parts cooperates pull bar control, and applicability is strong.
Description of drawings
Fig. 1,2, the 3rd, structural representation of the present utility model;
Fig. 4 is the structural representation of the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As Fig. 1,2, a kind of elevator door cutter shown in 3, comprise a cutter base plate, latch hook 1; rocking arm 3 and attaching parts A2; described rocking arm 3 rotations are installed on the cutter base plate; latch hook 1 and rocking arm 3 are in the same side; attaching parts A2 and pull bar 4 are at opposite side; the mounting blocks 8 on the described rocking arm 3 sees through door cutter base plate and is stuck on the attaching parts A2; described attaching parts A2 connects attaching parts B6 lower end by pull bar 4; described attaching parts B6 rotation is installed on the registration mast 7; rotary connection with tool arm 5 in both sides, attaching parts B6 upper end; also be provided with attaching parts C10 between the described tool arm, described rocking arm 3 midways location are provided with locking column 12, and tool arm separate lock fixed column is pinned by latch hook 1.
Described rocking arm 3 both sides are provided with spacing rubber 11, and described latch hook 1 rotation is installed on the spacing rubber 11, and described spacing rubber 11 is positioned at pull bar 4 opposite sides.
As shown in Figure 4, during use, when latch hook 1 away from locking column 12, parts drive rocking arm 3 to an other lateral movement, tool arm 5 closures.