JP3069447B2 - Mounting structure of garage door open / close limit switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for holding a garage door opening / closing limit switch which opens a garage by lifting a door body and closes the door by lowering and rotating the door body. The present invention relates to a technique for easily adjusting the position of an open / close limit switch while maintaining a substantially constant stroke, and stably operating the switch when the position is changed.

[0002]

2. Description of the Related Art Conventionally, a door body 2 is attached to a tip end of an arm 1, and a pin 3 integrated with a base end of the arm 1 is rotatably pivoted to a support column 4 to transmit a driving force to the pin 3. As shown in FIGS. 12 and 13, in the garage door that opens and closes and rotates the door body, the driving force from the electric motor 9 is transmitted to the bevel gears a and b.
, The pin 3 is driven and rotated, the arm 1 is swung and rotated, and the door 2 is opened and closed and rotated. The upper limit switch for determining the upper limit of the opening of the door 2 and the lower limit switch for determining the lower limit of the closing are disposed on the circular motion locus of the kick body that rotates around the axis of the pin 3. Are individually screwed.

[0003]

However, in the case where the switches are individually screwed on the circular motion path of the kick body as described above, it is difficult to change the position accurately along the circular motion path. In addition, there is a problem that the entire opening / closing stroke changes when the screw stop positions are individually changed, and as a whole, the operation of changing the switches becomes troublesome.

The present invention has been made in view of such a problem, and an object thereof is to easily adjust the position of an opening / closing limit switch while maintaining the opening / closing stroke of a door substantially constant, and An object of the present invention is to provide a garage door opening / closing limit switch mounting structure capable of stably operating a switch when the position is changed.

[0005]

According to the present invention, a door 2 is attached to a distal end of an arm 1 and a pin 3 integrated with a base end of the arm 1 is pivotally attached to a column 4 so as to be rotatable. An elevating body 6 which is driven up and down is provided inside the guide 4 so as to be movable up and down via a guide 7, and a driving force transmitting means 32 for transmitting a rotational driving force to the pin 3 when the elevating body 6 is moved up and down is provided. Transmission means 3
A garage door that transmits a rotational driving force to a pin 3 via a pin 2 to open and close the door body 2.
3 is formed long in the vertical direction, the upper limit switch S ₁ and switch holding member 3 that the lower limit switch S ₂ for determining the closing lower limit of the door body 2 and held at a predetermined distance which determines the opening limit door bodies 2
4 is attached to a mounting piece 33 so as to be freely slidable up and down, a kick body 35 for an upper limit switch S ₁ and a lower limit switch S ₂ is attached to the elevating body 6, and a guide portion 36 for the kick body 35 is provided on the switch holding member 34. Are formed.

[0006]

[Action] limit switches S ₁ and the lower limit switch S ₂ and the slide position change switch holding member 34 mounted at a predetermined distance in the vertical to the mounting piece 33 which is elongated in the up and down inside the strut 4, the upper limit switch S without changing the distance between the ₁ and the lower limit switch S _2, that is, while maintaining the opening and closing stroke of the door body 2 to be constant, easily performed repositioning upper switches S ₁ and the lower limit switch S _2, the upper limit switch S to avoid ₁ and the positional deviation of the lower limit switch S _2.
Moreover, the switch holding member 34 whose position has been changed is provided with a guide portion 36 for guiding the kicker 35 to the switch, and operates the kicker 35 to the upper limit switch S ₁ and the lower limit switch S ₂ whose positions have been changed. Stabilize.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a garage door has a first arm 1a as an arm 1 attached to the upper ends of left and right columns 4 pivoted on the upper ends of the columns 4 with pins 3. As shown in FIG. It is freely pivoted. A link 11 is pivotally supported by a pin 12 at the upper end of the column 4. 1st arm 1
A second arm 1b substantially parallel to a is pivotally supported at the tip of the link 11 by a pin. The door 2 is pivotally supported by pins 13 at the distal ends of the first arm 1a and the second arm 1b. Then, by rotating the pin 3 in the forward direction, the first arm 1a and the second arm 1b are lifted and rotated to open the door body 2, and the pin 3 is rotated.
Are turned in the opposite direction, so that the first arm 1a and the second arm
The arm 1b is pivoted down so that the door 2 can be pivotally closed.

As shown in FIGS. 4 and 5, an aluminum extruded product elevating body 6 is accommodated in a column 4 made of an extruded aluminum product so as to be vertically movable by a guide 7 described later. ing. The lifting body 6 is a first member 14
And the second member 15 are connected by screws 16. A concave groove 17 is formed in the first member 14 and the second member 15, in which a part of a pair of L-shaped main plates 18 is inserted and fixed with rivets 19. The L-shaped main plate 18 is connected to the connecting plate 20 via the driven pin 8, so that the driven pin 8
Are arranged at appropriate intervals in the concave groove 17.

FIGS. 6 to 8 show a mounting structure of the electric motor 9. The mounting plate 21 is formed in a substantially L-shape.
In the motor mounting opening 22 of the mounting plate 21
Is attached to the support 4 at the attachment hole 23, and then
The electric motor 9 is inserted from the motor mounting opening 22 and is mounted on the mounting plate 21 with bolts 24.
A sprocket 10 is mounted on an output shaft 25 of the electric motor 9, and the sprocket 10 meshes with a driven pin 8... Mounted on the elevating body 6 as a rack gear. Thus, the sprocket 1 is rotated by the forward rotation of the electric motor 9.
0 and the driven pins 8... Are engaged with each other so that the lift 6 can be driven upward.

As shown in FIG. 4, the pin 3 is formed in a hexagonal shaft shape, and a substantially fan-shaped arm-like gear 5a such as a partial gear as the gear 5 is inserted through the pin 3 and fixed. Such an arm-shaped gear 5a meshes with a driven pin 8 attached to the second member 15 of the elevating body 6. Thus, the arm-shaped gear 5a can be turned upward by raising the elevating body 6, the pin 3 can be turned upward, and the door 2 can be opened and rotated. Thus, the arm-shaped gear 5a is rotated downward, the pin 3 is rotated downward, and the door body 2 can be closed and rotated.

In this manner, the positioned sprocket 10 of the electric motor 9 and the positioned arm-shaped gear 5a mesh with the driven pins 8 in directions substantially orthogonal to each other with respect to the elevating body 6. In such a meshing, the positioning of the elevating body 6 is performed in reverse. By the way, guide rollers 26 are rotatably mounted on the upper and lower ends of the elevating body 6 on an axis substantially parallel to the axis X of the pin 3. By contacting the inner wall surface of the support 4 as described above, the positioning in the direction perpendicular to the axis X is sufficient, and the up-and-down body 6 can be moved up and down satisfactorily. Further, guide rollers 27 are provided at the upper and lower ends of the elevating body 6.
Are rotatably held and mounted on an axis substantially parallel to the axis Y of the sprocket 10, and the upper and lower guide rollers 27 abut on the inner wall surface of the support 4 as the guide 7, so that the axis The positioning in the direction substantially perpendicular to Y is sufficient, so that the up-and-down body 6 can be vertically moved satisfactorily. The design of such a guide 7 can be variously changed.

As described above, the elevating body 6 is provided inside the support column 4 so as to be able to move up and down via the guide 7, and the driven pin 8 is attached to the elevating body 6.
Are attached at appropriate intervals, and a sprocket 10 driven and rotated by an electric motor 9 is meshed with the driven pins 8..., And the gear 5 integrated with the pins 3 extends from the pins 3. The arm-shaped gear 5a is formed on the gear 5a, and is meshed with the driven pins 8.
A driven pin 8 attached to the elevating body 6 at appropriate intervals.
The group serves as a rack gear, and the driven pin 8... Meshes with the sprocket 10 on the electric motor 9 side as a rack gear, and extends from the pin 3 on the door 2 side as the driven pin 8. Outgoing arm-shaped gear 5a
It is engaged with. Thus, the power transmitted from the electric motor 9 is reliably transmitted to the driven pins 8 which are rack gears and from the driven pins 8 to the arm-shaped gear 5a. Then, the use of the bevel gear is avoided, and the production accuracy and the assembling accuracy when the bevel gear is used are avoided.

As shown in FIGS. 1 and 4, a gas spring 28 is interposed between the fixed portion 29 on the support column 4 side and the upper end of the elevating body 6. The gas spring 28 is in a compressed state in a closed state in which the door body 2 is lowered,
When the electric motor 9 is rotated forward by the input of the operation signal to the antenna 30 to drive the door body 2 upward, the opening drive can be performed with a small output of the electric motor 9 by the spring force of the gas spring 28, and The door 2 is prevented from violently colliding with the ground at the end of the closing rotation of the door 2.

FIGS. 9 to 11 show a mounting structure of the opening / closing limit switch of the door body 2.
3 are formed vertically long. Mounted for vertical sliding position change switch holding member 34 the lower limit switch S ₂ and held at a predetermined distance which determines the closing limit upper limit switch S ₁ and the door 2 which determines the opening limit door body 2 to the mounting piece 33 Have been. Specifically, the switch holding member 34 is composed of a metal shell 37 and a holding metal member 38, and a guide portion 36 is provided horizontally above and below the metal shell 37 formed in a substantially L shape.
Are formed in series, and a guide hole 42 is formed in the guide plates 41, 41.
The metal shell 37 is formed switch mounting piece 47 is in series, the upper limit switch S ₁ to the switch mounting piece 47 of the upper is screwed. Then, the lower limit switch S ₂ is screwed to the switch mounting piece 47 below. Such a fitting main body 37 clamps the mounting piece 33 on the support column 4 side with the L-shaped holding metal fitting 38, connects the both with bolts 43, and fixes the switch holding member 34 to the support column 4. In such a case, the holding piece 38 of the holding member 38 is held by the holding plate 40 to fix the mounting position of the switch holding member 34 to the column 4. Then, the bolt 43 and the bolt 44 are loosened by an operation or the like from an inspection port 45 formed in the column 4, and the switch holding member 34 is slid along the mounting piece 33, so that the mounting position of the switch holding member 34. Can be easily changed. By the way, the tongue piece 48 of the holding metal fitting 38 is
Are positioned in the holes 49.

A strip-shaped kick body 35 attached to the elevating body 6 is slidably inserted into the guide holes 42, 42 of the horizontal guide plates 41, 41.
The is kick portion 46 which operates kick operation of the upper limit switch S ₁ and a lower limit switch S ₂ is formed, are to be able to operate the limit switch S ₁ and a lower limit switch S ₂ in the kick section 46.

Thus, the switch holding member 34 having the upper limit switch S ₁ and the lower limit switch S ₂ mounted at predetermined intervals is provided inside the column 4 with the vertically extending mounting piece 33.
By changing the sliding position up and down, the upper limit switch S
Without changing the distance between the ₁ and the lower limit switch S _2, that is, while maintaining the opening and closing stroke of the door body 2 to be constant,
The repositioning of the upper switches S ₁ and the lower limit switch S ₂ can be easily performed, it can avoid misalignment of upper switches S ₁ and the lower limit switch S _2, moreover, to the switch in the switch holding member 34 which is repositioned Kimono 3
Since the guide portion 36 for guiding the lifter 5 is formed, the operation of the kick body 35 to the upper limit switch S ₁ and the lower limit switch S ₂ whose positions have been changed is stabilized.

[0017]

As described above, according to the present invention, the mounting piece is formed vertically long inside the column, and the upper limit switch for determining the upper limit of the opening of the door and the lower limit switch for determining the lower limit of the closing of the door are arranged at a predetermined interval. Since the switch holding member held separately is mounted on the mounting piece so that the vertical slide position can be changed, and the lifting body is provided with a kick body for an upper limit switch and a lower limit switch, the upper limit switch and the lower limit switch are separated by a predetermined interval. By changing the mounted switch holding member up and down inside the support column to a vertically long mounting piece,
It is possible to easily change the positions of the upper limit switch and the lower limit switch without changing the interval between the upper limit switch and the lower limit switch, that is, while keeping the opening and closing stroke of the door constant. Position shift can be avoided, and the switch holding member whose position has been changed has a guide section for guiding the kicker to the switch, so that the operation of the kicker to the changed upper limit switch and lower limit switch is stabilized. There is an advantage that can be made.

[Brief description of the drawings]

FIG. 1 is a partially cut-away schematic side sectional view of a closed state according to an embodiment of the present invention.

FIG. 2 is a partial rear view of the same.

FIG. 3 is a partial plan sectional view of the same.

FIG. 4 shows the transmission system of the above, wherein (a) is a schematic side view,
(B) is a schematic plan view.

FIG. 5 is a partial plan sectional view of the same.

FIG. 6 shows an attached state of the electric motor according to the first embodiment, and (a)
Is a side view, and (b) is a plan view.

FIG. 7 is a rear view showing an attached state of the electric motor.

FIG. 8 shows an attached state of the electric motor according to the first embodiment, and (a)
Is a side view, (b) is a plan view, and (c) is a rear view.

FIG. 9A is a partial horizontal sectional view of the same, and FIG. 9B is a perspective view of a holding plate.

FIG. 10 is a partial front view of the same.

FIG. 11 is a perspective view with a part omitted from the above.

FIG. 12 is a partial side view of a conventional example.

FIG. 13 is a partial front view of a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Arm 2 Door body 3 Pin 4 Prop 6 Elevating body 7 Guide 32 Driving force transmission means 33 Mounting piece 34 Switch holding member 35 Kick body 36 Guide part S ₁ Upper limit switch S ₂ Lower limit switch

Continuing from the front page (72) Inventor Takahiro Nakamura 1048 Kadoma Kadoma, Kadoma, Osaka Prefecture Inside (72) Inventor Akira Higashiyama 1048 Odaka Kadoma, Kadoma, Osaka Pref. Matsushita Electric Works, Ltd. (72) Inventor Noda Kenji 1048 Kadoma, Kazuma, Osaka Prefecture Matsushita Electric Works, Ltd. (58) Field surveyed (Int.Cl. ⁷ , DB name) E06B 11/02 E05D 15/04 E05D 15/40-15/46 E05F 15/00 -15/20

Claims (1)

(57) [Claims] 1. A door body is attached to a tip of an arm, a pin integrated with a base end of the arm is pivotally attached to a column, and a lifting body driven up and down inside the column via a guide. A driving force transmitting means for transmitting a rotational driving force to the pin when the elevating body is raised and lowered is provided, and a rotational driving force is transmitted to the pin via the driving force transmitting means to open and close the door. A garage door to be rotated, in which a mounting piece is formed vertically long inside the column, and holds an upper limit switch that determines the upper limit of opening of the door body and a lower limit switch that determines the lower limit of closing the door body at a predetermined interval. The switch holding member is mounted on the mounting piece so as to be capable of changing the vertical slide position, and the lifting member is provided with upper and lower limit switch kickers, and the switch holding member is formed with a guide portion for the kicker. Door open / close limit switch Mounting structure.