JP2879026B2 - Door support structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door support structure for an automatic door, and more particularly, to a left and right door suspension plate which is fixed to an upper side of the door, and is provided with a belt gripping plate and a key holder for an electric lock. The present invention relates to the improvement of hangers that are erected for mounting the like.

[0002]

2. Description of the Related Art A door support structure of an automatic door is constructed by fixing a door suspension plate which supports a door wheel on the left and right sides of an upper side of a door body, and connecting the left and right door suspension plates by a connecting horizontal bar. A hanger is configured, and a belt gripping plate, a key receiver for an electric lock, a magnet for a proximity switch, and the like are fixed to the hanger. The door roller is hung movably on a rail provided above the door and is hung openably and closably.

[0003] By the way, the door hanger mounted on the upper part of the door body determines the mounting position of the left and right door suspension plates according to conditions such as the width of the door and the position of the automatic door driving unit.
The length of the connecting horizontal bar connecting the left and right door hanging plates is determined in accordance therewith, the bar member is cut to that length, and a tap hole is formed at a place where the door hanging plate is to be attached. Further, a belt gripping plate, a key holder for an electric lock, a magnet for a proximity switch, and the like are attached to the connecting horizontal bar constituting the door hanger, and the attachment positions of these must also be determined according to the above conditions. , Accuracy of the position is also required. Further, the above members need to be finely adjusted after being attached.

[0004]

However, the above-described operation of cutting the connecting horizontal bar and forming the tap hole in the cut connecting horizontal bar is an operation performed on site, and in a place where the working environment is poor, The fact is that it is performed using simple machine tools, which is a very difficult task. In addition, the door driving parts mounted on the connecting horizontal bar often change the mounting position and finely adjust the position. If the mounting hole cannot be covered completely, the tap hole must be formed in the connecting horizontal bar again, which is very troublesome.

[0005] The present invention has been made in view of the above-mentioned problems of the prior art.
Without drilling tap holes in the connecting horizontal bar at the site, not only the door hanging plate, but also various parts such as belt gripping plate, key lock for electric lock, magnet for proximity switch, etc. An object of the present invention is to provide a support structure that can be moved and adjusted.

[0006]

In order to achieve the above-mentioned object, a technical means taken by the present invention is to provide a connecting horizontal bar which is installed on a door suspension plate which supports a door roller, in the form of a square bar over the entire length thereof. A guide groove having a substantially T-shaped cross section is formed, and a square head of a bolt is fitted into the guide groove so that the shaft of the bolt projects outside the opening of the guide groove. Align the holes provided in the mounting parts with each other, engage them, and tighten the nuts on the shaft to fix them. The bolt to be fitted into the guide groove has a hexagonal shape such as a hexagon, a square or an ellipse, or the like, or an elliptical shape, and the head is fitted to the upper and lower walls constituting the groove when fitted in the guide groove. Abutment engagement prevents rotation and
It is configured such that it can slide along the guide groove while its rotation is blocked.

The connecting horizontal bar may be made of a metal material, for example, an aluminum mold or a synthetic resin mold. Furthermore, in addition to the guide groove, a groove having a substantially T-shaped cross section is formed on the upper surface side or the lower surface side of the connection horizontal bar,
A bolt may be fitted into the groove and another mounting member may be mounted by the same mounting means.

According to the above-mentioned means, the bolt for suspending and fixing the door suspension plate is rotatably stopped and slidably fitted in the guide groove of the connecting horizontal bar. It can be moved freely along the longitudinal direction, so if the mounting position of the left and right door suspension plates is determined by the conditions such as the width of the door and the position of the automatic door drive unit, slide the bolt to that position and easily fix it You can do it.
Also, if a plurality of bolts are fitted and set in the guide groove, mounting members other than the door suspension plate, such as a belt gripping plate, a key receiver for an electric lock, a magnet for a proximity switch, etc., are placed at predetermined positions. Can be easily attached.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic view showing an automatic door device. In the drawing, reference numeral 1 denotes a door body, a door hanger A is attached to an upper side, and the door hanger A is supported by left and right door suspension plates 2 and 2 ′. A door roller 3 is engaged on a rail 12, and a belt gripping plate 5 is fixed to a connecting horizontal bar 4 connecting the left and right door hanging plates 2, 2 ′, and a belt 6 fixed to the belt gripping plate 5 is a motor. 7, the door body 1 moves in the horizontal direction, and the door is opened and closed.

The connecting horizontal bar 4 connecting the left and right door suspension plates 2, 2 'has a square rod-like shape and a guide groove 8 having a substantially T-shaped cross section formed over its entire length. The opening 8 'is formed on the front side of the. And
A head 9 ′ of a bolt 9 having a square head (a hexagon in the drawing) corresponding to the groove width of the guide groove 8 is slidably fitted and accommodated in the guide groove 8 of the connecting horizontal bar 4. The shaft 9 ″ of the bolt 9 projects outward through the opening 8 ′ of the guide groove 8.

Accordingly, the mounting holes 10 of the door suspension plates 2 and 2 'are engaged with the shaft portions 9 "of the bolts 9" and are engaged therewith.
A nut 11 is screwed into a shaft portion 9 ″ that protrudes therethrough, and the nut is tightened to fix the door suspension plates 2, 2 ′ in a predetermined position.

The connecting horizontal bar 4 has a door suspension plate 2,
In addition to 2 ', a bolt 9 in which the belt gripping plate 5, the key lock 13 for the electric lock, and the magnet 14 for the proximity switch which connect the belt 6 for horizontally moving the door body 1 are set in the guide groove 8, and the bolt 9 The connecting horizontal bar 4 is fixed at a predetermined position in the longitudinal direction by a nut 11 screwed into the connecting horizontal bar 4.

As shown in FIGS. 2 and 4, the connecting horizontal bar 4 is formed with a groove 15 having a substantially T-shaped cross section and having an opening on the upper surface side of the connecting horizontal bar 4. As shown in FIG. As described above, a bolt (not shown) with a nut screwed therein may be stored and set, and used for mounting other members.
The groove 15 is not limited to the upper surface side of the connecting horizontal bar 4, but may be the lower surface side. The groove 15 contributes to the weight reduction of the connecting horizontal bar 4.

In the above embodiment, the left and right door suspension plates 2,
Although 2 ′ is connected by the connecting horizontal bar 4, the connecting horizontal bar 4 may of course be attached to only one door suspension plate 2. That is, in FIG. 5, the connecting horizontal bar 4 'is attached to only one of the door hanging plates 2 of the door hanging plate 2, 2' which is erected and fixed to the upper side of the door body 1, and the connecting horizontal bar 4 ' The same members as those described in the embodiment, a belt gripping plate 5 ', a key receiver 13' for an electric lock, and a magnet 14 'for a proximity switch are attached. Note that the structure of the connecting horizontal bar 4 'is the same as that of the above-described embodiment, and the description is omitted.

The connecting horizontal bars 4 and 4 'in the above-described embodiments use a metal mold having a guide groove 8, for example, an aluminum mold or a synthetic resin mold, so that the mold can be used as a door. It can be used simply by cutting to a predetermined size according to the size of the main body 1.

In the support structure configured as described above, the connecting horizontal bar 4 is cut in accordance with the dimensions of the door body 1 and the head 9 ′ of the bolt 9 is set in the guide groove 8 of the connecting horizontal bar 4. . Thereby, the bolt 9 slides along the guide groove 8 and can freely change its position. Therefore, the mounting positions of the left and right door suspension plates are determined according to conditions such as the width of the door and the position of the automatic door driving unit, but the bolt 9 is easily moved by moving the bolt 9 according to the installation position of the door suspension plate. The connecting horizontal bar 4 can be connected and fixed.
Also, the door driving parts mounted on the connecting horizontal bar 4 often change the mounting position and finely adjust the position. It can be mounted and moved to any position without having to do.

[0017]

According to the door supporting structure of the present invention, the bolt for fixing the door suspension plate to the connecting horizontal bar can be freely extended in the longitudinal direction along the guide groove of the connecting horizontal bar. Since the sliding movement is possible, it is possible to quickly respond to a change in the mounting position of the door hanging plate, and the mounting operation can be easily performed. In addition, since the bolt can be slid and moved to an arbitrary position, the troublesome work of machining a tap hole for bolt attachment on site as in the related art is eliminated. According to the second aspect of the present invention, the mounting position of the door driving parts such as the belt gripping plate mounted on the connecting horizontal bar, the key lock for the electric lock, and the magnet for the proximity switch is determined by the mounting position of the door hanging plate. In many cases, the attachment position is changed and the position is finely adjusted. However, these attachments can be mounted, moved, and fixed at any position without any processing. Furthermore, according to the configuration of the third aspect, since it is possible to cope only by cutting the shape according to the dimensions of the door main body, etc., the easiness and quickness of the work can be improved.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing an example of an embodiment of a door support structure according to the present invention, in which main parts are enlarged and shown.

FIG. 2 is an enlarged sectional view taken along line (2)-(2) of FIG.

FIG. 3 is an enlarged sectional view taken along line (3)-(3) in FIG.

FIG. 4 is an enlarged perspective view showing an exploded main part.

FIG. 5 is a partially cutaway front view showing another embodiment, in which main parts are enlarged.

[Explanation of symbols]

A: Door hanger 1 ... Door body 2, 2 '... Left and right door suspension plates 3 ... Door carriage 4, 4' ... Connecting horizontal bar 5 ... Belt gripping plate 8 ... Guide groove 8 '... Opening of guide groove 9 ... Bolt 9' ... Head of bolt 9 "... Shaft of bolt 11 ... Nut 13 ... Key holder for electric lock 14 ... Magnet for proximity switch

Claims (3)

(57) [Claims] 1. A hanger having a door suspension plate that supports a door wheel is attached to both sides of an upper side of the door body, and the door wheel is hung so as to be able to run on a rail horizontally installed above the door body and is hung. In a door support structure for hanging a door body so that the door body can be freely opened and closed, a connecting horizontal bar connecting the left and right door hanging plates constituting the hanger has a square rod shape and forms a guide groove having a substantially T-shaped cross section over its entire length. Then, the head of the bolt is movably fitted into the guide groove, the shaft of the bolt is projected outside from the opening of the guide groove, the door hanging plate is engaged with the projected shaft, and the nut is engaged with the nut. Door support structure characterized by fastening and fixing. 2. The bolt according to claim 1, wherein a belt gripping plate, a key holder, a magnet for a proximity switch, etc., other than the door suspension plate, are fastened and fixed by nuts with bolts mounted in guide grooves of the connecting horizontal bar of the hanger. Door support structure. 3. The door support structure according to claim 1, wherein the connecting horizontal bar is a metal member.