JP5192973B2 - Sliding door device with free stopper release mechanism - Google Patents

Description

  The present invention relates to a sliding door device provided with a free stopper releasing mechanism for releasing a stopped state of a sliding door by a free stopper that stops the sliding door at an arbitrary position in an emergency such as a disaster, and in particular, by an elastic locking member of the free stopper mechanism. The present invention relates to a sliding door device provided with a free stopper releasing mechanism capable of preventing breakage of a connecting member that transmits an urging force for canceling a stopped state of the sliding door.

  Conventionally, as a sliding door device, a sliding door device having a free stopper releasing mechanism that releases the operating state of the free stopper by operating the free stopper releasing mechanism by applying a signal from a smoke detector or an emergency alarm device has been proposed. Has been.

As shown in FIG. 5, this sliding door device is provided with a stopper rail 11 provided in parallel with a traveling rail 6 on which traveling wheels 3 a and 3 b that are rotatably disposed on an upper portion of the sliding door 4 are mounted on the sliding door 4. A sliding door is brought into contact with one end of a flange 22 extending from a bracket 5a that rotatably arranges the traveling wheel 3a on the door end side in an inclined state, thereby sliding the door. 4 is provided with a free stopper mechanism 20 adapted to stop 4 at an arbitrary position.
By the way, in this sliding door device D ′, the kicker 10 constituting the free stopper releasing mechanism 50 is connected by the biasing means 15 and the connecting member 14, and is guided by the stopper rail 11 to move in the closing direction of the sliding door 4. The kicker 10 is normally locked by the locking means 12 disposed in the vicinity of the position where the elastic locking member 21 of the free stopper mechanism 20 is located when the sliding door 4 is fully opened. ing.
Then, in the event of an emergency such as a disaster, the kicker 10 is unlocked by the locking means 12 by applying a release signal from a smoke detector or an emergency warning device (not shown), and the kicker 10 is pulled by the biasing means 15. 4, the kicker 10 abuts on the elastic locking member 21, and the elastic locking member 21 is swung to create a gap between the elastic locking member 21 and the stopper rail 11. The stopping state of the sliding door 4 by the free stopper mechanism 20 is released (see, for example, Patent Document 1).

Japanese Patent No. 3950444

By the way, the urging means 15 used in the sliding door device D ′ having the conventional free stopper releasing mechanism 50 includes a winding spring (retraction spring) inside, and a wire that is always connected to the tip of the winding spring and the kicker 10 or the like. It is comprised so that the connection member 14 which consists of may be drawn.
In the sliding door device D ′ provided with the free stopper releasing mechanism 50, even when the sliding door 4 is in a closed state, it is locked by applying a release signal from a smoke detector or an emergency alarm device in an emergency such as a disaster. The means 12 is released, and the kicker 10 is moved by the urging means 15 toward the closing direction of the sliding door 4.

At this time, the kicker 10 moves a long distance substantially corresponding to the width dimension of the sliding door 4 from the door bottom side of the sliding door 4 provided with the locking means 12 to the door end side provided with the elastic locking member 21. Then, it hits the lower part of the elastic locking member 21 at a high speed and stops.
For this reason, a large impact is applied to the connecting member 14 that connects the kicker 10 and the urging means 15, particularly the connecting portion between the connecting member 14 and the kicker 10, and this portion is damaged as shown in FIG. 6. There was a problem that there was.

  In view of the problems of the sliding door device having the conventional free stopper release mechanism, the connecting member pulled in the closing direction of the sliding door by the urging means is damaged by the impact when the kicker moved at high speed stops. An object of the present invention is to provide a sliding door device including a free stopper releasing mechanism that does not occur.

In order to achieve the above object, the sliding door device equipped with the free stopper release mechanism of the present invention has the elastic locking member that is swingably disposed on the sliding door tilted on the stopper rail that is disposed in the opening / closing direction of the sliding door. The sliding door is stopped at an arbitrary position by abutting in the state, and the elastic locking member is swung by the movement of the kicker guided and moved by the stopper rail by the action of the urging means. In a sliding door device having a free stopper releasing mechanism that creates a gap between the stopping member and the stopper rail to release the stopped state of the sliding door, the stopper rail is disposed on the sliding door frame member, and is elastic. The stop member is disposed on the door end side of the sliding door, the biasing means is attached to the door tip side of the sliding door frame member, and the kicker is locked by the locking means on the door bottom side of the sliding door frame member, and is biased Means By pulling the connecting member that connects the urging means and the kicker, the urging force is always applied to the kicker locked by the locking means. It is configured to move from the door butt side to the door tip side while being guided by the door, to stop against the elastic locking member, and to swing the elastic locking member, and to connect the biasing means and the kicker An elastic body is interposed on the kicker side of the member.

  In this case, the elastic body can be a coil spring.

  According to the sliding door device having the free stopper releasing mechanism of the present invention, the kicker moves at high speed and comes into contact with the elastic locking member by interposing the elastic body in the connecting member that connects the biasing means and the kicker. Free stopper that prevents the connection member from being damaged by the impact of the elastic body when the kicker stops by absorbing the impact that the connection member receives due to the tension or inertial force of the biasing means when stopping A sliding door device provided with a release mechanism can be provided.

  Moreover, by making the elastic body a coil spring, the impact received by the connecting member due to the tension or inertia force of the urging means is absorbed by the extension of the coil spring, and the connecting member can be prevented from being damaged.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a sliding door device provided with a free stopper release mechanism of the present invention will be described based on the drawings.

  1 to 4 show an embodiment of a sliding door device provided with a free stopper releasing mechanism of the present invention.

The sliding door device D provided with the free stopper releasing mechanism 1 is a self-closing type sliding door device that can stop the sliding door 4 at an arbitrary position by the free stopper mechanism 20, and as in this embodiment, the sliding door frame D A sliding door type sliding door device in which traveling wheels 3a and 3b disposed on the front and rear of the upper portion of the sliding door 4 via brackets 5a and 5b are mounted on the traveling rail 6 which is disposed on the upper portion of the member 2 and inclined in the closing direction. Is preferably used.
Although not shown in the drawings, the sliding door device D provided with the free stopper releasing mechanism 1 attaches a weight to the tip or urges the sliding door 4 in the closing direction with a wire provided with a winding mechanism. Thus, the traveling rail 6 may be horizontally disposed without being inclined, or may be applied to a sliding door device configured to travel on a rail in which a door wheel disposed on the lower surface of the sliding door 4 is laid on the floor surface. it can.

  And the sliding door apparatus D provided with this free stopper cancellation | release mechanism 1 is the state which inclined the elastic locking member 21 arrange | positioned at the sliding door 4 so that rocking was possible on the stopper rail 11 arrange | positioned in the opening-and-closing direction of the sliding door 4. The sliding door 4 is stopped at an arbitrary position by making contact with the elastic locking member 21, and the elastic locking member 21 is swung by the movement of the kicker 10 guided and moved by the stopper rail 11. And the stopper rail 11 to create a gap so that the stopped state of the sliding door 4 is released, and the elastic member 13 is interposed in the connecting member 14 that connects the biasing means 15 and the kicker 10. ing.

The free stopper mechanism 20 includes a resilient locking member 21 that is swingably supported at one end of a flange 22 that extends from a bracket 5 a that rotatably displaces a traveling wheel 3 a on the door end side of the sliding door 4. The elastic locking member 21 is adjusted to a position where it comes into contact with the upper surface of the stopper rail 11 in a slightly inclined posture.
In this embodiment, the stopper rail 11 is an example using a double rail formed integrally with the traveling rail 6. However, the stopper rail 11 may be provided separately from the traveling rail 6.

As shown in FIG. 1, the free stopper releasing mechanism 1 includes a kicker 10 that is guided and moved by a stopper rail 11, and a locking means 12 that engages with a locking end 10 c of the kicker 10 to lock the kicker 10. And a biasing member 12b composed of a torsion spring or the like that normally biases the locking portion 12a of the locking means 12 downward (kicker 10 side) and keeps the kicker 10 in a stopped state, a smoke detector, It comprises a release member 12c for releasing the urging by the urging member 12b by application of a signal from the emergency alarm device.
As the release member 12c, for example, a solenoid S or the like is used, and as shown in the drawing, the locking member 12a is lifted upward by swinging an L-shaped moving body, and the movement of the solenoid S directly. You may comprise so that an edge may be contact | abutted directly to the latching | locking part 12a and the latching | locking part 12a may be lifted up.

  The kicker 10 is connected to a biasing means 15 disposed above the door end side of the sliding door frame member 2 by a connecting member 14 made of a wire or the like, and is constantly biased in the closing direction of the sliding door 4. As shown in FIG. 3, a guide piece 10b is formed so that it can be guided and moved by the stopper rail 11 formed in a T shape, and is guided by the stopper rail 11 to slide on the upper surface of the stopper rail 11. When the abutting end 10a of the kicker 10 abuts against the elastic locking member 21, the elastic locking member 21 is swung to release the stopped state of the sliding door 4.

The configuration of the biasing means 15 is not particularly limited, but in this embodiment, as in the conventional example, a winding spring (retraction spring) is provided inside, and the connection member 14 is always retracted. ing.
Further, a fixed pulley may be provided at the position of the urging means 15 and a weight having a constant weight may be suspended at the tip of the connecting member 14, and the kicker 10 is unlocked by the locking means 12. Sometimes, any biasing method having a force that exceeds the frictional force of the elastic locking member 21 that stops the sliding door 4 may be used.

  The elastic body 13 is not particularly limited as long as it absorbs an impact generated when the kicker 10 moving at high speed stops, but uses a coil spring 13a as shown in FIG. It is particularly preferred.

Further , in the present embodiment, the elastic body 13 is disposed at a position of the locking end 10c of the kicker 10 from the position of the urging means 15 when the sliding door 4 is in the closed state and the ease of attachment of the elastic body 13. The elastic body 13 is interposed on the kicker 10 side of the connecting member 14 for connecting the urging means 15 and the kicker 10 by attaching one end with a fastening means such as a screw and attaching the other end to the connecting member 14 at an appropriate position. ing.

In the above configuration, for example, when the sliding door 4 is in a closed state, if the locking of the kicker 10 by the locking means 12 is released by application of a release signal from the smoke detector or the emergency alarm device, the biasing means The kicker 10 receiving tension through the connecting member 14 by the urging force of 15 moves substantially in the width dimension of the sliding door 4. The elastic locking member 21 is moved by a long distance corresponding to the width dimension of the sliding door 4 from the door bottom side of the sliding door 4 provided with the locking means 12 to the door end side provided with the elastic locking member 21. Will hit the lower part of the car at high speed and stop.
When the kicker 10 that moves at high speed comes into contact with the elastic locking member 21 on the door end side and stops, as shown in FIG. The impact applied to the connecting portion between the connecting member 14 and the kicker 10 is absorbed, and the connecting member 14 is prevented from being damaged.

  Thereafter, the extended coil spring 13a is returned to the normal state by the spring force as shown in FIG.

  As mentioned above, although the sliding door apparatus provided with the free stopper release mechanism of the present invention was explained based on an example, the present invention is not limited to the composition described in the above-mentioned example, and in the range which does not deviate from the meaning. The configuration can be changed as appropriate.

The sliding door device provided with the free stopper releasing mechanism of the present invention has a characteristic that the connecting member drawn in the closing direction of the sliding door by the urging means is not damaged by the impact generated when the kicker moving at high speed stops. In particular, it can be suitably used for a sliding door device provided with a free stopper releasing mechanism that often stops the sliding door in a closed state where the kicker stops at a high speed.
In addition to the new sliding door device, the application target is also a sliding door device with a sliding door device having an existing free stopper release mechanism, and an elastic body is interposed in the connecting member that connects the urging means and the kicker. Can be applied.

It is a front view of the partial notch of the closed state of the sliding door of the normal time which shows one Example of the sliding door apparatus provided with the free stopper cancellation | release mechanism of this invention. It is a partially cutaway front view when the free stopper release mechanism is operated in the closed state of the sliding door of the sliding door device provided with the same free stopper release mechanism. It is XX sectional drawing of FIG. 1 which shows the sliding door apparatus provided with the free stopper cancellation | release mechanism. The example which uses a coil spring as an elastic member of the sliding door apparatus provided with the free stopper release mechanism is shown, (a) shows a state in which the coil spring is extended when the kicker moved at a high speed stops, and (b) shows a coil spring thereafter. Indicates a state where the normal state is restored. It is a front view of the partial notch of the closed state of a sliding door which shows the sliding door apparatus provided with the conventional free stopper cancellation | release mechanism. It is a partially cutaway enlarged view showing a state in which a connecting member that connects the urging means of the sliding door device provided with the free stopper releasing mechanism and the kicker is damaged.

Explanation of symbols

1 Free stopper release mechanism
2 Sliding door frame member 4 Sliding door 10 Kicker 11 Stopper rail
DESCRIPTION OF SYMBOLS 12 Locking means 13 Elastic body 13a Coil spring 14 Connecting member 15 Energizing means 20 Free stopper mechanism 21 Elastic locking member D Sliding door device provided with free stopper releasing mechanism

Claims (2)

The sliding door is stopped at an arbitrary position by abutting an elastic locking member arranged swingably on the sliding door to a stopper rail arranged in the opening / closing direction of the sliding door. The elastic locking member is swung by the movement of the kicker that is guided and moved by the stopper rail by the action of the biasing means, thereby creating a gap between the elastic locking member and the stopper rail, and the sliding door is released from the stopped state. In the sliding door device equipped with a free stopper release mechanism designed to
The stopper rail is disposed on the sliding door frame member, the elastic locking member is disposed on the door end side of the sliding door,
The urging means is attached to the door end side of the sliding door frame member,
The kicker is locked by the locking means on the door bottom side of the sliding door frame member,
The urging means pulls the connecting member that connects the urging means and the kicker, so that the urging force always acts on the kicker locked by the locking means, and when the locking by the locking means is released, It is configured to move the kicker from the door butt side to the door tip side while being guided by the stopper rail, to stop against the elastic locking member, and to swing the elastic locking member,
A sliding door device provided with a free stopper releasing mechanism, wherein an elastic body is interposed on the kicker side of a connecting member for connecting the urging means and the kicker.   The sliding door device provided with the free stopper releasing mechanism according to claim 1, wherein the elastic body is a coil spring.

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