JP2002087745A - Door adjustment tool for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door adjustment tool for an elevator enabling sure and simple adjustment of a door panel and a door hanger. SOLUTION: A door rail 2 is fixed by a fixing means while being interposed between a first support plate 5A and a second support plate 5B. Under the fixing condition, a movement is regulated by engaging a door hanger 1 into an engagement part 17 of a support part 16 as a regulation means. Adjustment of a door panel 4, thereby is performed under a condition that center lines of the door rail 2 and door rollers 3a, 3b are aligned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator door adjusting jig, and more particularly, to an elevator door adjusting jig suitable for adjusting a mounting state of a door panel.

[0002]

2. Description of the Related Art As a conventional door adjusting jig for an elevator, a centering gauge is known as disclosed in Japanese Patent Application Laid-Open No. 4-256677. The centering gauge includes a door roller that rolls on a door rail and a door roller. A door hanger having a bracket rotatably supporting a door roller is used when the door hanger is attached to an elevator door. The door hanger includes a restricting means for restricting an edge of a bottom plate of the bracket, and a locking means locked to the door. Then, the centering gauge is locked to the door by locking means, and then the edge of the bottom plate of the bracket is controlled by the control means of the centering gauge. In this state, the door and the bracket are fastened by bolts. I was

[0003]

However, the conventional door adjusting jig for an elevator, when the gap between the three-way frame and the door is different between when the door is closed and when the door is opened, moves the fastening positions of the left and right door hangers at the top of the door forward and backward. It cannot be applied to adjustment such as shifting and fastening, or when adjusting the gap between the door bottom and the sill, when inserting a plurality of liners, which are metal plates having a predetermined thickness, between the door upper end and the door hanger. Depending on the thickness of the liner, the fastening position of the door and door hanger cannot be regulated,
The centering of the door rail and the door roller has to be performed again by these adjustments, and the adjustment takes time.

[0004] It is an object of the present invention to provide an elevator door adjusting jig capable of reliably and easily adjusting a door panel and a door hanger.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an elevator door adjusting jig used when a door panel is mounted below a door hanger rotatably supporting a door roller rolling on a door rail. And a regulating means for regulating the position of the door hanger when the fixing means is attached to the door hanger by the fixing means.

In the elevator door adjusting jig of the present invention, since the regulating means for regulating the door hanger is provided while being fixed to the door rail by the securing means, the center line of the door rail coincides with the center line of the door roller by this regulating means. Even if adjusting the gap at the lower end between the threshold and the door panel, or fixing the door hanger and the door panel while adjusting the front and rear sides of the door panel, the relationship between the door rail and the door roller is impaired. Therefore, anyone can adjust the door panel and the door hanger reliably and easily, and can shorten the working time.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 is a perspective view of an elevator to which an elevator door adjusting jig according to an embodiment of the present invention is attached.

The door panel 4 can be opened and closed by the door rollers 3a and 3b of the door hanger 1 mounted on the upper part rolling on the door rail 2 and guiding the lower part thereof along the threshold 6. Door hanger 1
Are door rollers 3a, 3b rolling on the door rail 2.
And a bracket portion 8 fixed to the door panel 4. The bracket portion 8 has a plurality of screw holes 9a,
The door hanger 1 is connected to the door panel 4 by providing fastening bolts 10a and 10b using the screw holes 9a and 9b. The door adjustment jig 5 is controlled so as to regulate the movement of the door hanger 1 in the front-rear direction.
The door adjusting jig 5 is fixed by sandwiching the door rail 2.

FIG. 3 is a perspective view showing the door adjusting jig 5 in an enlarged manner.

The door adjusting jig 5 has a pair of screw holes 1 vertically.
A first support plate 5A having 1a, 11b, and a pair of holes 14a, 14a,
A second support plate 5B having a hole 14b, a bolt 15a inserted into the screw hole 11a and the hole 14a and tightened, and a bolt 15b inserted into the screw hole 11b and the hole 14b and tightened
And fixing means. This second support plate 5
B, a first stepped portion 12 having substantially the same size and width as the thickness t of the door rail 2, and a second stepped portion 13 deeper and smaller in width than the first stepped portion 12. Are formed. When the door rail 2 is sandwiched between the first stepped portion 12 of the second support plate 5B and the first support plate 5A, the second rail of the second support plate 5B is prevented from being blocked. A support portion 16 having a width to be accommodated in the stepped portion 13 is provided, and this support portion 16 is fixed to or integrally formed with the second support plate 5B. Further, an engagement portion 17 which is a notch portion described in detail later is formed in the support portion 16.
The engaging portion 17 and the support portion 16 constitute a regulating means.

FIG. 1 is a perspective view of a main part of an elevator door showing a state where the door adjusting jig 5 is attached.

A first support plate 5A is disposed behind the door rail 2, a second support plate 5B is disposed to face the first support plate 5A, and a first support plate 5B having a thickness t formed on the second support plate 5B. In this state, the bolts 15a and 15b are inserted into the holes 14a and 14b, and the ends thereof are screwed into the screw holes 11a and 11b. The door adjustment jig 5 is attached.

In this mounted state, the support portion 16 and the engaging portion 17 extend substantially in parallel with the door rail 2, and the door hanger 1 is engaged in the engaging portion 17. That is, the support portion 16 and the engaging portion 17 are attached to the door rail 2 between the second support plate 5B and the first support plate 5A by the fixing means. It constitutes regulating means for regulating the movement in the direction. Such a positional relationship is such that the second support plate 5B and the support portion 16 are shifted from each other by a predetermined distance, for example, 5 mm, between the center line in the cutting direction of the engagement portion 17 and the center line in the longitudinal direction of the door rail 2. Can be obtained by combining.

Next, the operation of adjusting the door panel 4 with the door adjusting jig 5 mounted will be described.

First, as shown in FIG.
Is fixed to the door rail 2 by fixing means. Next, the fastening bolts 10a and 10b for fastening the door hanger 1 and the door panel 4 are loosened so that the door hanger 1 can be slightly moved in the front-rear direction. The door hanger 1 is regulated by the regulating means by engaging with the engaging portion 17 of FIG. Since the relationship between the longitudinal centerline of the engaging portion 17 and the door rail 2 is determined in advance, the centerline of the door rail 2 and the door rollers 3a and 3b are matched by the regulation by this engagement, and the front and rear of the door hanger 1 are adjusted. Movement can be regulated.

The door panel 4 is adjusted while the position of the door hanger 1 is regulated by the regulating means. For example, to reduce the gap between the lower end of the threshold 6 and the door panel 4, the fastening bolts 10a, 10b are provided between the bracket 8 of the door hanger 1 and the upper surface of the door panel 4.
The required number of liners 7, each of which is a U-shaped metal plate having a thickness of about 1 mm, are inserted so as to straddle the door panel, and the door panel 4 is moved downward to tighten the fastening bolts 10a and 10b. vice versa,
To increase the gap between the lower end of the sill 6 and the door panel 4, a predetermined number of liners 7 are removed.

If the gap between the three-way frame (not shown) and the door panel 4 is larger when the door is closed than when the door is opened, the door hanger 1 and the door panel 4 are fastened with fastening bolts 10a and 10b.
When tightening, the fastening bolts 10a and 10b are tightened one by one while moving the side surface of the door panel 4 back and forth so that the gap with the three-way frame at the time of opening and closing becomes substantially the same.

As described above, the door adjusting jig 5 is fixed to the door rail 2 by the fixing means, and the door hanger 1 is engaged with the engaging portion 17 of the support portion 16 provided on the door adjusting jig 5 by the restricting means. Since the work is performed in a regulated state, the gap between the lower end of the sill 6 and the door panel 4 is adjusted while the door hanger 1 is maintained in a desired state with respect to the door rail 2, and the front and rear adjustment of the side surface of the door panel 4 is performed. , The door hanger 1 and the door panel 4 can be fixed, so that anyone can easily perform the adjustment work and shorten the work time.

In this embodiment, the door adjusting jig 5 is attached to only one side of the door hanger 1, but the same effect can be obtained by providing a pair of door adjusting jigs 5 on both sides of the door hanger 1. is there. Further, the means for fixing the door adjusting jig 5 to the door rail 2 is not limited to the one shown in the drawings. It is sufficient if it has.

[0021]

As described above, the elevator door adjusting jig according to the present invention has the regulating means for regulating the door hanger while being fixed to the door rail by the securing means. Can be held so as to coincide with the center line of the sill, and the gap between the lower end of the threshold and the door panel can be adjusted,
Even if the door hanger is fixed to the door panel while adjusting the front and rear sides of the door panel, the relationship between the door rail and the door roller is not impaired, so that anyone can adjust the door panel and the door hanger reliably and easily, and the work time Can be shortened.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of an elevator door to which an elevator door adjusting jig according to an embodiment of the present invention is attached.

FIG. 2 is a perspective view showing the entire elevator door shown in FIG.

FIG. 3 is an enlarged perspective view showing only a door adjusting jig of the elevator shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door hanger 2 Door rail 3 Door roller 4 Door panel 5 Door adjustment jig 5A First support plate 5B Second support plate 16 Support portion 17 Engagement portion

Claims (2)

[Claims] 1. A door adjusting jig for use in mounting a door panel below a door hanger rotatably supporting a door roller rolling on a door rail, wherein the fixing means is fixed to the door rail. A door adjusting jig for an elevator, comprising: a restricting means for restricting a position of the door hanger when the door hanger is attached to the door hanger. 2. The door rail according to claim 1, wherein the fixing means is provided on a first support plate and a second support plate which sandwich the door rail, and is provided on the second support plate. A first stepped portion for determining a position, wherein the restricting means has an engaging part which is attached to the fixing means and engages with the door hanger.