JP3083270B2 - Automatic door door panel angle adjustment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door which is incorporated in an automatic door having a roller which is slidably engaged with a rail of a track means, and adjusts a tilt angle of a door panel of the automatic door from a vertical line. The present invention relates to a door panel angle adjusting device for a door.

[0002]

2. Description of the Related Art A general automatic door is composed of a door panel mounted on a roller rack via a hanging bracket, and a rail mounted on a roller rack so as to be rotatable and provided on a rail of a track means of the automatic door. And a roller slidably engaged with the roller. The door panel opens and closes as the rollers slide along the rails.

However, if the manufacturing quality of the automatic door is inferior or if the assembling accuracy of the automatic door is poor, the vertical center axis of the door panel may not be aligned with the vertical line in the direction of gravity. If the door panel that slides on the rail is tilted from the vertical position, the balance of the torsional force acting on the rail will be lost, and the rail and rollers will be damaged, or even the malfunction of the automatic door will be caused.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems associated with the above-mentioned conventional technology, and can adjust the inclination angle of a door panel of an automatic door with a simple configuration, and can surely guide the door panel at a vertical position. An object of the present invention is to provide a door panel angle adjusting device for a door.

[0005]

According to the present invention, there is provided a door panel angle adjusting device for an automatic door, wherein the roller slidably engages a rail of a track means of the automatic door, A scissor-type or caliper-type block in which the door panel is fitted into a suspended rack, and an adjustment bolt that is vertically inserted through a bolt hole that is formed vertically through an outer portion of the caliper block. And The roller includes a core rod extending axially from a shaft of the roller. The caliper block has an inner hole formed on the inner side of the caliper block and engaged with a core rod of a roller, and has a V-shaped hole radially expanding outward from the inner hole. The adjustment bolt is configured to be screwed into a female screw hole formed in the core rod of the roller along the vertical direction. Then, by adjusting and moving the adjusting bolt screwed into the female screw hole of the core rod in the vertical direction and biasing the caliper block around the core rod, the door panel can be positioned at the vertical position, and the inclination of the door panel can be adjusted. The angle can be adjusted with respect to the vertical in the direction of gravity.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partial cross-sectional view showing a door panel angle adjusting device of an automatic door according to an embodiment of the present invention in a state where the door panel is hanging vertically, and FIG.
FIG. 3 is a partial cross-sectional view showing the angle adjustment device of the door panel of the automatic door according to the embodiment in a state where the door panel is inclined from the A side to the B side in FIG. FIG.
FIG. 3 is a partial cross-sectional view showing the angle adjustment device for the door panel of the automatic door according to the embodiment in a state where the door panel is inclined from the B side to the A side in the figure.

The door panel angle adjusting device according to the illustrated embodiment is at least one that is rotatably mounted on the shaft 10 and slidably engages with the track means of the automatic door or the rail 21 of the mechanical box 2. A roller 1 and a core rod 11 extending axially outward from the shaft 10 from the side A shown on the left hand side of the door panel 6 to the side B shown on the right hand side in the figure and having a rectangular or square cross section. A caliper block 3 having an inner end fitted into a rack 13 adjacent to the roller 1, and a suspension bracket fixed to the rack 13 and protruding downward from the rack 13 and the caliper block 3 to suspend the door panel 6 downward. 5 and a caliper block 3 which can vertically engage the core rod 11 and
And an adjustment bolt 4 that penetrates vertically.

[0008] The caliper block is not limited to the illustrated example, but may be modified to, for example, a guide block or a guide holder.

The core rod 11 has a center axis 110 defined at the center in the longitudinal direction of the core rod 11, a female screw hole 111 vertically formed in an outer portion located at the end as viewed from the roller 1, have. Female screw hole 1
11 is formed so as to be substantially perpendicular to the central axis 110.

The caliper block 3 is formed on the inner side facing the roller 1 in the caliper block 3 and engages with an inner rod portion 112 of the core rod 11 near the roller 1. A V-shaped hole 32 having a V-shape radially expanding radially outward from the hole 31 toward the outer end of the caliper block 3.
And The V-shaped hole 32 is formed between a lower clamp part 33 and an upper clamp part 34 arranged at the lower part and the upper part of the caliper block 3. Due to the shape of the V-shaped hole 32, an upper opening 32u is formed between the upper clamp portion 34 and the core rod 11, and a lower opening 32d is formed between the core rod 11 and the lower clamp portion 33, respectively. . Each of the upper opening 32u and the lower opening 32d has a gentle taper shape inward in the axial direction toward the inner hole 31. A lower bolt hole 331 is vertically formed in the lower clamp portion 33, and an upper bolt hole 341 is vertically formed in the upper clamp portion 34. These two bolt holes 34
The upper bolt holes 341 are arranged so as to be aligned in the vertical direction with respect to the lower bolt holes 331 so that the adjustment bolts 4 can be inserted through the first and third bolts 331.

The adjusting bolt 4 includes a bolt shaft portion 41 in which a male screw is formed helically on the outer peripheral surface and the male screw is screwed into a female screw hole 111 formed in a direction perpendicular to the core rod 11.
Bolt shaft 40 defined at the longitudinal center of bolt shaft portion 41 and orthogonal to center axis 110 of core rod 11
A head 42 formed at a lower end portion of the bolt shaft portion 41 to hold the lower clamp portion 33 of the caliper block 3, and fixed to an upper portion of the bolt shaft portion 41 by being screwed into a male screw of the bolt shaft portion 41. And a nut 43 that presses or contacts the upper clamp portion 34 of the block 3.

The adjusting bolt 42 is further provided with two packing members 44 for preventing slipping or slippage. One (first) packing member is inserted between the lower clamp portion 33 and the head 42 of the adjustment bolt 4, and the other (second) packing member is inserted between the upper clamp portion 34 and the nut 43 of the adjustment bolt 4. Has been inserted between.

The door panel 6 is suspended by a suspension bracket 5 below the rack 13 and the caliper block 3. The door panel 6 has a longitudinal axis or longitudinal axis 61. The vertical axis 61 of the door panel 6 usually coincides with the vertical line V in the direction of gravity indicating the true vertical of the door panel 6 of the automatic door (see FIG. 1).

As shown in FIG. 3, when the nut 43 is loosened and the head 42 is turned clockwise as shown by the arrow R, the lower clamp portion 33 is pressed upward so that the lower opening 32d is minimized. . As a result, the door panel 6 is deflected from the vertical position in FIG. 1 as shown by a solid line in FIG. 3, and tilts toward the B side in the figure.

As shown in FIG. 4, when the head 42 is turned to the left as indicated by an arrow R1 to increase the size of the lower opening 32d and minimize the size of the upper opening 32u, the door panel 6
Is deviated from the vertical position in FIG. 1 toward the A side in the figure as shown by the solid line in FIG.

When the nut 43 is securely tightened after the vertical state of the door panel 6 or the predetermined inclination angle is obtained as described above, the packing members 44, 44 exhibit a slip preventing function, and the state is maintained. Is done.

Therefore, according to the present embodiment, it is possible to adjust the inclination angle of the door panel and guide the door panel vertically according to practical demands. Undesirable torsional forces, stresses, strains, etc., which can cause damage to the system, can be prevented.

The present invention can be modified without departing from the spirit and scope of the present invention. In addition, the vertical adjustment of the caliper block 3 can be modified by a person skilled in the art to a horizontal adjustment, and is not limited to the embodiment of the present invention. The inclination angle at which the door panel deviates from the vertical line V is smaller than 5 degrees. Although a relatively large inclination angle is shown in FIGS. 3 and 4, the large inclination angle is illustrated for easy understanding, and the actual inclination angle is extremely rarely large. is there.

[0019]

As described above, according to the present invention, the inclination angle of the door panel of the automatic door can be adjusted with a simple configuration, and the door panel can be reliably guided in the vertical position.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view showing a door panel angle adjusting device for an automatic door according to an embodiment of the present invention in a state where the door panel is hanging vertically.

FIG. 2 is a side view as seen from line 2-2 in FIG.

FIG. 3 is a partial cross-sectional view showing the door panel angle adjusting device of the automatic door according to the embodiment in a state where the door panel is inclined from A side to B side in the figure.

FIG. 4 is a partial sectional view showing the door panel angle adjusting device of the automatic door according to the embodiment in a state where the door panel is inclined from side B to side A in the figure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Roller 2 ... Track means 21 ... Rail 3 ... Caliper block 31 ... Inner hole 32 ... V-shaped hole 32d ... Lower opening 32u ... Upper opening 33 ... Lower clamp part 331 ... Lower bolt hole 34 ... Upper clamp part 341 ... Upper part Bolt hole 4 ... Adjustment bolt 40 ... Bolt shaft 41 ... Bolt shaft 42 ... Head 43 ... Nut 44 ... Packing member 5 ... Suspension bracket 6 ... Door panel 10 ... Shaft 11 ... Core rod 110 ... Center shaft 111 ... Female screw hole 112… Inner rod part

Claims (4)

(57) [Claims] 1. An automatic door having a roller (1) slidably engaged on a rail (21) of a track means (2), and a tilt of a door panel (6) of the automatic door from a vertical line. An angle adjusting device for an automatic door for adjusting an angle, comprising: a core rod (11) extending in an axial direction from a shaft (10) of the roller (1); and a V-shaped cross section along the axial direction. And the core rod (1
A V-shaped hole (32) to be inserted into 1) is formed,
A caliper block (3) on which the door panel (6) is suspended via a suspension bracket (5); and a penetrating vertical through the caliper block (3) and perpendicular to the core rod (11). An adjustable bolt (4) that can be engaged with the caliper block (3).
Is moved around the core rod (11) to bias the caliper block (3), thereby adjusting the inclination angle of the door panel (6) from a vertical line. Door panel angle adjustment device. 2. The caliper block (3) is formed on the inner side of the caliper block (3) facing the roller (1) and the core rod (11).
At the inner rod portion (11) close to the roller (1)
The V-shaped hole (32) is axially outward from the inner hole (31) toward the outer end of the caliper block (3). Radially outward, whereby the upper clamp portion (3) in the caliper block (3) disposed above the V-shaped hole (32)
4) and an upper opening (32u) formed between the core rod (11) and a lower clamp portion (33) of the caliper block (3) disposed below the V-shaped hole (32). ) And the core rod (11) each have a lower opening (32d) formed in the inner hole (3).
The taper has a gentle taper shape inward in the axial direction toward 1), and the lower clamp portion (33) has a lower bolt hole (33).
1) is vertically formed, and an upper bolt hole (341) is vertically formed in the upper clamp portion (34), and the adjusting bolt (341) is formed in both bolt holes (341, 331). The angle of the door panel of the automatic door according to claim 1, wherein the upper bolt holes (341) are arranged so as to be vertically aligned with the lower bolt holes (331) so that the lower bolt holes (341) are inserted. Adjustment device. The adjusting bolt (4) has a male screw formed on an outer peripheral surface thereof, and a bolt shaft (41) screwed into a female screw hole (111) formed perpendicular to the core rod (11). And orthogonal to the center axis (110) of the core rod (11) orthogonal to the female screw hole (111) of the core rod (11), and in the longitudinal direction of the bolt shaft (41). A bolt shaft (40) defined at the center, a head (42) formed at a lower end of the bolt shaft portion (41) and holding the lower clamp portion (33) of the caliper block (3); A nut (43) screwed into the male screw of the bolt shaft (41) and fixed to an upper portion of the bolt shaft (41) to contact the upper clamp (34) of the caliper block (3); 3. The door of an automatic door according to claim 2, comprising: Le angular adjustment device. 4. The adjusting bolt (42) includes two packing members (44) for preventing slippage, and a first packing member includes the lower clamp portion (33) and the adjusting bolt (4). The second packing member inserted between the head (42) and the nut (43) of the upper clamp part (34) and the adjusting bolt (4)
4. The angle adjusting device for a door panel of an automatic door according to claim 3, wherein the angle adjusting device is inserted between the automatic door and the door.