JPH0596020A - Ranking regulator and closing system for fireproof door - Google Patents

Abstract

PURPOSE:To provide the ranking regulator which can adjust both doors to correct closing ranking, and the closing system for a fireproof door using this regulator. CONSTITUTION:The system is constituted by providing a main body part 1 installed in a closing position of both doors, a first effector 2 which is supported so as to be slidable in the main body part and has an inclined part 7 pressed by the tip of the door of the side closed first in one end, a second effector 3 which is supported so as to be slidable in the main body part and has an inclined part 9 pressed by the tip of the door of the side closed afterward in the tip, and an adjusting plate 4 which is supported through an energizing member in the main body part and obstructs sliding of a second effector. The other end of a first effector is provided with an inclined part 14 by which it abuts on an edge part of a through hole 12 of an adjusting plate to a first effector on the way where it is pushed in by the tip of the door of the side closed first and moves the adjusting plate in the direction for pushing back the energizing member, and the other end of a second effector is provided with an inclined part 15 by which the adjusting plate abuts on an edge part of a through hole 13 of the adjusting plate to a second effector on the way where it is moved in the direction for pushing back the energizing member and a second effector becomes slidable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an order adjuster for adjusting the closing order of doors of both doors and a fire door closing system using the order adjuster.

[0002]

2. Description of the Related Art Normally, in middle-rise and high-rise buildings such as condominiums, commercial buildings, and office buildings, as a fire prevention measure, if a fire should occur, fire or smoke should not reach the lower or upper floors. A fire door is installed at the entrance of the elevator.

When the elevator is normally used, the fire door is located on both sides of the entrance and exit of the elevator, and is housed in a storage chamber of the wall body in a folded state of two. And in the unlikely event of a fire, receiving a signal from a fire detector or the like, an electromagnetic release or the like operates the doors stored in each storage chamber in a folded state of two,
As the door starts to open, it extends to the front of the doorway of the elevator, and finally both doors close the doorway of the elevator from both sides.

[0004]

However, in the above-mentioned conventional fire door, when both doors are operated and the closing timing of each door is deviated and the closing order of each door is reversed, the door is completely closed. If it was not performed, there was a risk that it could not function as a fire door.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a rank adjuster capable of adjusting both doors to a proper closing rank and a fire door closing system using the rank adjuster. To do.

[0006]

Therefore, the invention according to claim 1 is an order adjuster for adjusting the closing order of each door of both doors, and a main body portion installed at the closed position of both doors. A first actuation body slidably supported by the main body portion and having an inclined portion at one end pressed by the tip of the door on the side to be closed first; A second actuating body having an inclined portion that is pressed by the tip of the door that is closed later, and the second actuating body that is supported by the main body via an urging member and is urged by the urging member. An adjusting plate for preventing sliding of the operating body is provided, and while the first operating body is being pushed into the other end of the first operating body by the tip of the door on the side that closes first, 1 In the direction in which the adjustment plate is pushed back by abutting the edge of the through hole of the adjustment plate with respect to the actuator An inclined portion for moving is provided, and at the other end of the second operating body, while the adjusting plate is being moved in the direction to push back the biasing member, the inclined portion comes into contact with the edge of the through hole of the adjusting plate with respect to the second operating body. A configuration is provided in which an inclined portion that allows the second operating body to slide is provided.

According to the second aspect of the present invention, there is provided a fireproof door closing system in which doors are arranged on both sides of a closed space and both doors are operated to close the closed space from both sides.
A ranking adjuster for adjusting the closing ranking of each door is provided at the closed position of the both doors, and the ranking adjuster has the configuration according to claim 1, thereby solving the problem.

[0008]

In the invention according to claim 1, when the door on the side to be closed later reaches the closed position, the second actuating body is prevented from sliding by the adjusting plate immediately before the door. Abutting the ramp at one end and stopping before the closed position. On the other hand, when the door on the side to be closed first reaches the closed position later, the door is immediately before the closed position,
The inclined portion at one end of the first actuation body is pressed, the first actuation body is slid into the main body portion, and the completely closed position is reached. When the first actuating member is pushed into the main body, the inclined portion at the other end of the first actuating member abuts the edge of the through hole of the adjusting plate to move the adjusting plate in the direction to push back the biasing member. By the movement of the adjusting plate, the inclined portion at the other end of the second actuating body comes into contact with the edge of the through hole of the adjusting plate, and the second actuating body can be slid into the main body portion as the adjusting plate moves. Then, the door on the side to be closed after being stopped presses the inclined portion of the second actuating body, and the second actuating body is pushed into the main body portion, so that the door on the side to be closed later comes first. The closing door is followed by the fully closed position. In this way, by the action of the order adjuster, the closing order of the respective doors of both doors is correctly adjusted, the respective doors reach the closed position in the correct order, and the closed space is completely closed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

1 and 2 are horizontal sectional views of a rank adjuster according to the present invention. In these drawings, reference numeral S is a rank adjuster, reference numeral 1 is a main body portion, reference numeral 2 is a first operating body, reference numeral 3 is a second operating body, and reference numeral 4 is an adjusting plate. Rank Adjuster S of the Present Invention
Is basically composed.

The main body 1 is a box for supporting the first actuating body 2, the second actuating body 3 and the adjusting plate 4, and is attached to the closed position of both doors to which the present invention is applied. Is becoming

The first actuating body 2 is slidably supported by a supporting portion 6 provided on the front surface 5 of the main body portion 1 facing both doors. At one end of the first actuation body 2 that projects forward from the front surface 5, an inclined portion 7 that is pressed toward the inside of the main body 1 by the tip corner portion of the door 20 that is the first of the two doors that is closed first. Are formed.

The second actuating body 3 is slidably supported by a supporting portion 8 provided on the front surface 5 of the main body 1 facing both doors. At one end of the second actuating body 3 that projects forward from the front surface 5, the inclined portion 9 is pressed toward the inside of the main body 1 by the tip corner portion of the door 21 on the side to be closed later from the both doors. Are formed.

The adjusting plate 4 includes the first operating body 2 of the main body 1.
One end is attached to the inner surface of the side surface 10 closer to the front surface 5 of the main body 1 through a spring 11, and the other end of the adjusting plate 4 is a free end. The adjusting plate 4 is provided with through holes 12 and 13 at positions corresponding to the other ends of the first operating body 2 and the second operating body.

Further, at the other end of the first actuating body 2, the through hole 12 of the adjusting plate 4 is provided while the first actuating body 2 is being pushed into the main body 1 by the door 20 which is closed first. An inclined portion 14 is formed which abuts on the edge of the adjusting plate 4 and moves the adjusting plate 4 in the direction of pushing back the spring 11. Similarly, at the other end of the second actuation body 3, while the adjustment plate 4 is being moved in the direction of pushing back the spring 11, the second actuation body 3 comes into contact with the edge of the through hole 13 of the adjustment plate.
The slanted portion 15 is provided so as to be slidable.

Next, the operation of the rank adjuster having the above structure will be described.

(1) Of the two doors, when the door 21 on the side to be closed later comes to the closed position, as shown in FIG.
Immediately before the closing position, 1 abuts on the inclined portion 9 of the second actuating body 3 protruding forward from the closing surface and stops before the closing position. The second operating body 3 is prevented from sliding by the adjusting plate 4. (2) Then, when the door 20 on the side to be closed first comes to the closed position, the door 20 presses the inclined portion 7 of the first actuation body 2 projecting forward from the closing surface immediately before the closed position. Then
By the action of the inclined portion 7, the first actuating body 2 is pushed into the main body portion 1 and reaches the closed position. (3) When the first actuation body 2 is pushed into the body portion 1, the inclined portion 14 of the first actuation body 2 contacts the edge portion of the through hole 12 of the adjusting plate 4, and the action of the inclined portion 14 causes As indicated by the arrow 2, the adjustment plate 4 is moved in the direction in which the spring 11 is pushed back against the biasing force of the spring 11. (4) When the adjusting plate 4 is moved in the direction to push back the spring 11, the inclined portion 15 of the second actuating body 3 whose sliding is blocked by the front surface of the adjusting plate 4 is
The second actuating body 3 is slidable into the main body 1 by contacting the edge of the through hole 13 and the action of the inclined portion 15 as the adjusting plate 4 moves. (5) When the stopped state of the second actuation body 3 is released, the door 21 on the side to be closed later presses the inclined portion 9 of the second actuation body 3 to move the second actuation body 3 to the main body portion 1. By pushing it in, the door 21 reaches the closed position following the door 20 that previously reached the closed position, as shown in FIG. (6) In this way, even if the order in which the doors 20 and 21 of the two doors reach the closed position is reversed, the closing order of the doors 20 and 21 is correctly adjusted by the action of the order adjuster S. Each of the doors 20 and 21 reaches the closed position in the correct order, and the closed space is completely closed. (7) On the other hand, when the doors 20 and 21 of the two doors reach the closed position in the correct order, the closed space is closed in the closed order.

A ranking adjuster S having the above structure and operation.
Is used as a mechanism for adjusting the closing order of the fire doors 20 and 21 shown in FIG. 3, for example. That is, in the order adjuster S, the main body 1 is attached to the closed position of the entrance 41 of the elevator passage 40 shown in FIG. 3, the fire door 20 that is closed first is guided to the closed position first, and the fire door 20 is closed later. The fire door 21 is guided to the closed position later.

If a fire should occur, the fire doors 20 and 21 that are stored in the storage chambers 42 on both sides of the elevator passage 40 in a folded state are actuated by the electromagnetic release. While the locked state of 21 is released and the front door member 30 and the rear door member 31 constituting the fire doors 20 and 21 are opened by the urging force of the spring, as shown in FIG.
As indicated by the chain double-dashed line, it extends from each storage chamber 42 to the closed position in front of the entrance 41 of the elevator passage 40.

If the order of closing the fire doors 20 and 21 is reversed, the fire door 21 (the front door member thereof) that will be closed later is stopped by the second actuating member 3 of the order adjuster S. In this state, only (the front door member of) the fire door 20 that closes first reaches the closed position while pushing the first actuation body 2. Then, as the fire door 20 reaches the closed position,
By the action of the adjusting plate 4, the second actuation body 3 moves, and the fire door 21 that will be closed later reaches the closed position while pushing the second actuation body 3, and the fire prevention doors 20 and 21 are closed in the correct order.
The function will be surely exhibited.

[0021]

As described above, the present invention has the following excellent effects. (A) According to the order adjuster of the present invention, even if each door of the two doors does not reach the closed position in the correct closing order, the order adjuster adjusts each door to the correct closing order. be able to. Moreover, such a rank adjuster
Since it is basically composed of a small number of members including the main body, the first and second actuating bodies, and the adjusting plate, and is composed of a very simple mechanism, it is small and the manufacturing cost is extremely low. It can be widely applied as a door order adjusting mechanism. (B) Further, according to the fire door closing system of the present invention, by using the above order adjuster as a mechanism for adjusting the closing order of each door in the fire door, each door is mechanically correct in the closing order. The fire door can be surely completely closed and the fire door can properly function.

[Brief description of drawings]

FIG. 1 is a side sectional view of a rank adjuster showing an embodiment of the present invention.

FIG. 2 is a side sectional view of a tie adjuster.

FIG. 3 is a plan view showing a fire door.

[Explanation of symbols]

 1 Main Body 2 First Actuator 3 Second Actuator 4 Adjustment Plate 7 Inclination 9 Inclination 12 Through Hole 13 Through Hole 14 Inclination 15 Inclination 20 Fire Door 21 Fire Prevention Door S Rank Adjuster.

Claims (2)

[Claims] 1. A ranking adjuster for adjusting the closing order of each door of the two doors, the main body being installed at the closed position of both doors, and slidably supported by the main body and at one end. A first actuation body having an inclined portion that is pressed by the front end of the door that closes first, and a slope that is slidably supported by the main body and that is pressed by the front end of the door that closes later on the front end. A second actuating body having a portion, and the second body in a state of being supported by the body portion via an urging member and being urged by the urging member.
An adjusting plate for preventing the actuating body from sliding is provided, and while the first actuating body is being pushed into the other end of the first actuating body by the tip of the door on the side that is closed first, An inclined portion is provided for abutting the edge of the through hole of the adjusting plate with respect to the first actuating member to move the adjusting plate in the direction to push back the biasing member, and the other end of the second actuating member is provided with the adjusting plate. In the middle of moving the biasing member in the direction of pushing it back,
The second plate is brought into contact with the edge of the through hole of the adjusting plate with respect to the actuation body
An order adjuster, which is provided with an inclined portion that allows the actuation body to slide. 2. A fireproof door closing system in which doors are arranged on both sides of a closed space and both doors are operated to close the closed space from both sides so that each of the closed positions of both doors is closed. A rank adjuster for adjusting the closing order of the doors is provided, and the rank adjuster is installed in the closed position of both doors, and slidably supported by the body parts, and is closed at one end first. A first actuating body having an inclined portion that is pressed by the tip of the side door, and an inclined portion that is slidably supported by the main body portion and that is pressed by the tip of the door on the side that is closed at the end. Two actuating members and an adjusting plate that is supported by the main body via an urging member and that prevents the second operating member from sliding while being urged by the urging member. The other end of the first actuation body is pushed by the tip of the door on the side where the first actuation body is closed first. In the middle of being stowed, an inclined portion is provided which abuts on the edge of the through hole of the adjusting plate with respect to the first actuating member and moves the adjusting plate in the direction to push back the biasing member,
At the other end of the second operating body, the second operating body is brought into contact with the through hole edge portion of the adjusting plate with respect to the second operating body while the adjusting plate is being moved in the direction to push back the biasing member. A fire door closing system characterized in that a slidable slanting portion is provided.