JP3290409B2 - Shutter arm adjustment mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for adjusting the armor plate of a door, which facilitates adjustment and installation of ventilation, and has a function of preventing damage to the door when an excessive load or impact is applied to the armor. .

[0002]

2. Description of the Related Art Doors and windows are provided on doors and windows to improve the ventilation of a building. As shown in FIG. 6, the armor 1 has a fixed rod 3 and an oscillating rod 4 mounted on the inside of the frame 2 facing each other, and pins 5 'and 5 are provided at regular intervals between the fixed rod 3 and the oscillating rod 4. Pin holes 7, 7 ′ provided at both ends of the armor plate 6 are inserted into the pins 5 ′, 5.
And by swinging the swinging rod 4 up and down, the inclination of the armor plate 6 is changed to adjust the ventilation amount.

[0003] The inclination of the armor plate 6 is adjusted by the swing rod 4.
A bracket 8 for swinging the swinging rod 4 is attached, a screw shaft 9 penetrates the bracket 8, and a female screw 10 screwed to the screw shaft 9 is rotated left and right to form the female screw 1
The thrust portions 11 abutting on both ends of 0 are pushed up and down to swing the swinging rod 4 up and down via the bracket 8 and the pin 21. At this time, the interval between the fixed rod 3 and the swinging rod 4 is maximized when the armor plate 6 is at right angles to both rods 3 and 4 , and becomes narrower as the armor plate 6 is inclined.

[0004]

In the above-mentioned mechanism for adjusting the inclination of the armor plate of the louver, when an external force is applied to the armor plate, the armor plate cannot swing due to the external force. There is a risk of damage between the armor plate and the rocking rod.

In view of the above-mentioned problems in the prior art, the present invention makes it easy to adjust the inclination of the armor plate and to attach the armor plate. When an unexpected external force is applied to the armor plate, the rocking rod swings according to the external force and damages the armor plate. It is an object of the present invention to provide an armor plate adjusting mechanism for a shutter door provided with a mechanism for preventing the armor plate from being damaged.

[0006]

According to the present invention, a fixed rod and an oscillating rod are mounted on opposite sides of a frame body, and pins are provided at regular intervals between the fixed rod and the oscillating rod. Pinholes provided at both ends of the armor plate are fitted to the pins, and the swinging rod is swung up and down, thereby changing the inclination of the armor plate and adjusting the ventilation amount. In the armor plate adjusting mechanism, a rack is engraved on the front surface, a notch is engraved on the back surface, and an oscillating rod driving member having a slot formed at each end for receiving a pin implanted in the oscillating rod, A section for accommodating the slot forming portion in a slidable state, a section for accommodating the rack and the notch portion, and a section communicating with the section for accommodating the slot forming portion, and a leaf spring formed with a chevron that contacts the notch. A compartment that communicates with the compartment that accommodates the rack and the notch, A casing shaft accommodating a rotatable of Sekutagiya in the form a compartment and communicating shaped compartments for accommodating the rack and the notch portions, is housed in a compartment for accommodating the plate spring, chevron fitted into the notch And a sector gear that rotates about a pin by a lever and engages with the rack.

According to the present invention configured as described above, when the lever is operated, the sector gear is rotated about the pin, and the rack slides to easily change the inclination of the armor plate to adjust the ventilation. If an abnormal external force is applied to the armor plate, the plate spring abutting on the notch bends to move the rack, thereby preventing damage to the armor plate.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG.
Is attached to the inside of the entrance door 12. In this example, the door 1 is divided into four pieces. This door 1 is attached with a hinge (not shown) and bent vertically at the center 13 in the vertical direction. The entrance can be opened and closed.

FIG. 4 shows one of the four sheets in detail. A fixed rod 3 and an oscillating rod 4 are arranged inside the frame 2 opposite to each other, and pins 5 ′ and 5 are planted at predetermined intervals on the fixed rod 3 and the oscillating rod 4. , 5 are fitted with pin holes 7 ′, 7 provided at both ends of the armor plate 6. The pin holes 7 ′ and 7 partially open in the axial direction 14, and
The armor plate 6 can be fitted to the pins 5 ′ and 5 by using 4.

As shown in FIG. 3, the fixed rod 3 is fixed inside the frame 2, and the swinging rod 4 is slightly swung in the vertical direction and the front and rear direction by the inclination of the armor plate 6 inside the frame 2. The armor plate adjusting mechanism 40 of the armor plate 6 is attached to the frame body 2. By operating the lever 15, the sector gear 17 rotates around the pin 16 and the rack 18 meshing with the sector gear 17 moves. When the rack 18 moves, the long hole forming portions 19 integrally formed at both ends of the rack also move, and the pins 2 erected on the back surface of the swinging rod 4 fitted in the long holes 20.
The swinging rod 4 swings up and down, and back and forth through 1.

A notch 22 is engraved on the back of the rack 18, and a leaf spring 23 having a mountain shape contacts the notch 22 to prevent inadvertent movement of the rack 18, and an abnormal external force is applied to the armor plate 6. The swinging rod 4 moves together with the rack 18 to prevent the armor plate 6 from being damaged.

FIG. 2 is an exploded view of the armor plate adjusting mechanism 40 of the armor 1. The oscillating rod driving member 24 receives the rack 18 engraved on the front surface, the notch 22 engraved on the back surface thereof, and the pins 21 (see FIG. 3) provided on both ends on the back surface of the oscillating rod 4. It has a long hole forming portion 19.

The casing 25 has a section 26 for accommodating the slot forming section 19 in a slidable state and a section 26 for accommodating the rack 18 and the notch 22 and for accommodating the slot forming section 19. A section 27 accommodating a leaf spring 23 formed in a round mountain shape (fitting with the notch 22 when the notch is in contact with the notch 22) and accommodating the rack 18 and the notch 22 portion; Pin 16
A section 27 accommodating the sector gear 17 which is rotatable about the axis and a section 27 accommodating the rack 18 and the notch 22 and a section 29 communicating with the sector gear 17 are formed.

The leaf spring 23 is bent at 90 degrees at both ends to form a round shape 30 in the middle, and is accommodated in the section 28.

Sector gear 1 meshing with rack 18
Reference numeral 7 penetrates the window 32 of the front plate 31 and engages with the mounting rack 18 so as to be rotatable about the pin 16. Pin 16
Both ends are slightly smaller than the outer diameter of the portion fitted to the sector gear 17, and the pin 33 is loosely fitted on the plate 33 from above and below and fixed with rivets. The upper and lower two windows 35 of the plate 33 are for fitting the pins 21 erected on the back surface of the swinging rod 4 into the elongated holes 20 of the elongated hole forming portion 19.

Next, the operation of the armor plate adjusting mechanism will be described with reference to FIGS. In FIG. 3B, the lever 15 is pushed down, and the sector gear 17 rotated about the pin 16 moves the rack 18 upward and stands upright on the back surface of the swinging rod 4. The pins 21 are fitted in the right ends of the long holes 20 at both ends of the rack 18, the swinging rod 4 moves upward and is located farthest from the fixed rod 3, and the armor plate 6 is in a substantially horizontal state. Has become.

When the lever 15 is moved upward from this state, the sector gear 17 rotates around the pin 16 and the rack 18 meshed with the sector gear 17 moves downward. At this time, the notch 2 provided on the back of the rack 18
The round mountain-shaped leaf spring 23 that is in contact with 2 is bent and fitted to the adjacent notch 22 and goes up. When the lever 15 is located at the uppermost position (the position of the imaginary line), it stands upright on the back surface of the swinging rod 4. The pin 21 is pushed downward while gradually moving to the left in the elongated hole 20, and at the same time, the swinging rod 4 is also pushed down, so that the interval between the fixed rod 3 and the swinging rod 4 becomes the narrowest (FIG. 3).
The state of the imaginary line). When the movement of the lever 15 is stopped, the state is maintained by the urging force acting on the contact portion between the notch 22 and the leaf spring 23.

The trajectory of the movement of the pin 5 implanted in the swinging rod 4 when the lever 15 is moved is as shown by the one-dot chain line in FIG. The locus of the movement of the pin 21 is as shown by the dashed line in FIG. The bent state of the leaf spring 23 when the rack 18 moves is as shown in FIG.

According to the armor plate adjusting mechanism 40, when an abnormal external force is applied to the armor plate 6, the swinging rod 4 moves according to the external force. At this time, the leaf spring 23 bends and the rack 1
Since the positions of the lever 8 and the lever 15 are changed and abnormal external force is absorbed, damage to the armor plate 6 is prevented.

[0020]

As described above, according to the present invention, mounting on the frame and adjustment of the armor plate are easy, and even if an abnormal external force is applied to the armor plate, the rocking rod can be moved by the external force. Since the abnormal external force does not concentrate on the armor plate, damage to the armor plate can be prevented.

[Brief description of the drawings]

FIG. 1 is an enlarged longitudinal sectional view of a main part of an embodiment according to the present invention.

FIG. 2 is an exploded perspective view of the main part.

FIG. 3A is a horizontal sectional view showing a state in which the armor plate adjusting mechanism is attached to the frame body. FIG.

FIG. 4 (a) is a front view of a state in which the armor plate adjusting mechanism is attached to a frame body. FIG. 4 (b) is a longitudinal sectional view of the armor plate adjusting mechanism.

FIG. 5 is a perspective view of a door attached to a front door.

FIG. 6A is a horizontal sectional view, FIG. 6B is a vertical sectional view, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Armor 2 Frame 3 Fixed rod 4 Swing rod 5, 5 'pin (supports armor plate) 6 Armor plate 7, 7' Pin hole (of armor plate) 8 Bracket 9 Screw shaft 10 Female screw 11 Thrust part 12 Entrance door 13 Center (of the armor door) 14 Opening (of the armor pin hole) 15 Lever 16 Pin (of the sector gear) 17 Sector gear 18 Rack 19 Slot forming part 20 Slot (of the slot forming part) 21 Pin (at the back of the swinging rod) 22 Notch 23 Leaf spring 24 Oscillating rod drive member 25 Casing 26 Section (housing slot forming section) 27 Section (housing rack and notch) 28 Section (housing leaf spring) 29 Section (housing sector gear) Reference Signs List 30 Yamagata (round mountain shape) 31 Front plate 32 Window (of front plate) 33 Plate 34 Screw fixing 40 Armor plate adjustment mechanism

Claims (1)

(57) [Claims] 1. A fixed rod 3 and an oscillating rod 4 are loaded inside a frame 2 facing each other, and pins 5 and 5 ′ are implanted at a fixed interval between the fixed rod 3 and the oscillating rod 4. Pin holes 7, 7 'provided at both ends of the armor plate 6 are fitted to 5, 5', respectively.
In the armor plate adjusting mechanism 40 of the armor door 1 in which the air flow is adjusted by changing the inclination of the armor plate 6 by swinging the arm up and down, the rack 18 is cut in the front and the notch 22 is cut in the back. An oscillating rod driving member 24 having an elongated hole forming portion 19 for receiving a pin 21 erected on the oscillating rod 4 at both ends; and a section 26 for accommodating the elongated hole forming portion 19 in a slidable state.
A section 27 accommodating the rack 18 and the notch 22 and accommodating the section 26 accommodating the slot forming section 19;
A section 28 accommodating a leaf spring 23 formed with a chevron 30 contacting the notch 22 and accommodating the rack 18 and a section 27 accommodating the notch 22 portion, and a sector gear 17 rotatable around the pin 16 are accommodated. The rack 18 and the notch 22
A casing formed with a section 28 accommodating the portion and a communicating section 29; and a leaf spring 23 having a chevron 30 portion accommodated in the section 28 accommodating the leaf spring 23 and fitted in the notch 22.
And the lever 15 is rotated about the pin 16 as an axis, and the rack 1
And a sector gear 17 meshing with the armor 8.