JP2001082024A - Sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sliding door device of favorable usability. SOLUTION: By pushing this sliding door in an open mode from the open end position further in the opening direction and keeping away, it is energized by reaction of a coil spring 16 pressed by a contact member 14, and the sliding door 1 together with the contact member 14 are pushed back in the closing direction. When this movement in the closing direction is detected by the controller of a linear motor, it is returned to ordinary opening-closing motion. The contact member 14 is returned to the original position and held with a holding member 15, and by setting the energization force of the coil spring 16 to be over the thrust of the linear motor, it functions as a stopper at ordinary opening-closing motion. The reaction generating device is constituted of the contact member 14, and a solenoid and the coil spring as the holding member 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door device.

[0002]

2. Description of the Related Art In the case of a sliding door which is stored in a door pocket at an open end position, the door end face of the sliding door and the end face of the door pocket are flush with each other at the open end position. For this reason, a rotating handle is provided on the door end surface of the sliding door, a finger is hung on the handle that has been rotated and projected, and the sliding door is pulled out of the door pocket.

[0003]

However, the rotating handle described above is troublesome in that the operation until the handle is protruded and the sliding door is pulled out is troublesome, and the rotary handle cannot be used when both hands are occupied. Also, if a rotating handle is provided on the door surface, the appearance is not good. The present invention has been made in view of the above points, and has as its object to provide an easy-to-use sliding door device.

[0004]

According to a first aspect of the present invention, there is provided a sliding door apparatus, wherein the sliding door is disposed at an open end position between a door end of the sliding door accommodated in the door pocket at the open end position and the frame. And a reaction force generating means for generating a reaction force when further pushed in the opening direction.

Further, the sliding door device according to the second aspect can switch to an open mode in which the sliding door is kept at the open end position,
In addition, by moving the sliding door in the open mode in the closing direction, the sliding door is manually pushed further in the opening direction from the open end position between the door end and the frame of the automatic opening / closing type sliding door which can return to the normal opening / closing operation. A reaction force generating means for sometimes generating a reaction force is provided.

According to a third aspect of the present invention, in the sliding door device according to the first or second aspect, the reaction force generating means is attached to a door butt or a frame of the sliding door when the sliding door is at the open end position. An abutting member that abuts, a holding member that holds the abutting member movably from the original position by a predetermined distance in the sliding door opening direction or the closing direction, and a holding member that is provided between the holding member and the abutting member and moves the abutting member to the original position And a coil spring that urges in a direction to return to the normal position.

According to a fourth aspect of the present invention, there is provided the sliding door device according to the second aspect, wherein the reaction force generating means is brought into contact with a door butt or a frame of the sliding door when the sliding door is at the open end position. The member and the sliding member are excited during the normal opening and closing operation of the sliding door to hold the contact member in the original position, and are deenergized when the sliding door is in the open mode to move the contact member a predetermined distance in the sliding door opening direction or the closing direction. It is characterized by comprising a solenoid that is movably held, and a coil spring that is provided between the solenoid and the contact member and urges the contact member in a direction to return to the original position.

[0008]

According to the sliding door apparatus according to the first aspect, when the door of the sliding door located at the open end position and stored in the door pocket is further pushed in from the open end position in the opening direction and released,
The sliding door is pushed back in the closing direction by the reaction force of the reaction force generating means arranged between the door end of the sliding door and the frame, and the door tip projects from the door pocket, so that the sliding door can be easily closed by hand as it is. . In addition, a rotating handle becomes unnecessary, and the appearance is improved.

According to the sliding door device of the present invention, when the sliding door in the open mode is further pushed in from the open end position in the opening direction and released, the reaction force generating means disposed between the door end of the sliding door and the frame body. , The sliding door is pushed back in the closing direction and returns to the normal opening / closing operation. By simply pushing the sliding door further in the opening direction from the open end position, the operation returns to the normal opening / closing operation, so that it is possible to provide an automatic opening / closing type sliding door device excellent in usability.

According to the third aspect of the present invention, when the sliding door is further pushed in from the open end position in the opening direction and released, the sliding door is urged by the reaction force of the coil spring pressed by the contact member, and the sliding door is closed. Is pushed back to. By setting the biasing force of the coil spring to be strong, the reaction force generating means functions as a stopper. Further, since the reaction force generating means has a simple configuration including the contact member, the holding member, and the coil spring, it is possible to provide an inexpensive sliding door device that is excellent in usability.

According to the sliding door device of the fourth aspect, when the sliding door in the open mode is further pushed in from the open end position in the opening direction and released, the sliding door is urged by the reaction force of the coil spring pressed by the abutting member, and the sliding door is opened. Is pushed back in the closing direction to return to the normal opening / closing operation. The contact member of the reaction force generating means is normally held at its original position by an energized solenoid during opening / closing operation and functions as a stopper. When the sliding door is in the open mode, the solenoid is deenergized to open the sliding door from its original position. It is movably held in the direction or the closing direction by a predetermined distance.
Therefore, in this case, the urging force of the coil spring provided between the solenoid and the contact member only needs to be strong enough to push the sliding door back together with the contact member in the closing direction. Further, the pushing force in the opening direction can be reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view of a linear motor driven automatic opening and closing type sliding door device according to the first embodiment, and FIG. 2 is an enlarged sectional view of a reaction force generating device 13. The sliding door 1 has a joint 2 attached at the center of the upper end, and a hanger 4 that supports the roller 3 at both ends. The joint 2 of the sliding door 1 is fitted into the lower connecting portion 8 of the mover 7 of the linear motor 6 attached along the upper edge of the entrance 5 and the hanger rail 9 formed integrally with the outer rail of the linear motor 6. The roller 3 of the hanger 4 is supported so that it can run freely. Thereby, the sliding door 1 is hung on the hanger rail 9 of the linear motor 6, and
The entrance 5 can be opened and closed by being pulled by the mover 7.

Frames 11 and 12 are provided on the left and right sides of the entrance 5, and a reaction force generator 13 is disposed on the frame 12 facing the door end 1 a of the sliding door 1. The reaction force generating device 13 generates a reaction force when the sliding door 1 is pushed further in the opening direction from the open end position by hand, and as shown in FIG. 2, the contact member 14, the holding member 15, and the coil spring 16 It is composed of The contact member 14 has a contact surface 1
This is a cylindrical body formed with 4a, and a flange 14b is formed at the rear end. The holding member 15 has an operation hole 15b formed at the center of the holding tube portion 15a to allow the tube portion of the contact member 14 to pass therethrough.
The flange 14b of the abutting member 14 is
And the leg 15 c integrally formed with the holding cylinder 15 a is attached to the frame 1 by the mounting screw 17.
Fasten to 2. A coil spring 16 is provided between the contact member 14 and the holding member 15. The contact member 15 is urged by the coil spring 16 so that the operating hole 15
It is held at the original position where the flange 14b of the contact member 14 engages with the hole edge of b. The contact surface 14a at this time is the sliding door 1
Coincides with the open end position.

In the opening / closing control of the sliding door 1 by the controller 6a of the linear motor 6, so-called slow start and slow stop controls are executed. Then, a specific speed monitoring area is set just before the open end position, and if the speed in the specific speed monitoring area is less than the set speed (about 0.2 m / sec), the sliding door 1 is set to the normal open / close operation at the open end position. When the sliding door 1 reaches the closed end position after the stop operation for a certain time, it is made to stand by at the closed end position. When the opening operation speed of the sliding door 1 entering the specific speed monitoring area is equal to or higher than the set speed, the sliding door 1 is artificially pressed toward the open end position, and the sliding door 1 is held at the open end position. Assuming that the intention to work has been activated, the operation mode is switched from the normal opening / closing operation to the open mode in which the sliding door 1 is kept at the open end position. Then, when the sliding door 1 held at the open end position in the opening mode is artificially moved in the closing direction, the opening mode is released, the operation returns to the normal opening / closing operation, and the closing operation is started. The above control is performed based on a signal from a sensor (not shown) that detects the speed and position of the sliding door 1.

Accordingly, when the sliding door 1 in the open mode is further pushed in from the open end position in the opening direction and released, the sliding door 1 is urged by the reaction force of the coil spring 16 pressed by the contact member 14, and the sliding door 1 is moved together with the contact member 14. It is pushed back in the closing direction.
When the sensor detects the movement in the closing direction, the operation returns to the normal opening / closing operation. By setting the urging force of the coil spring 16 to be equal to or greater than the thrust of the linear motor 6, the reaction force generator 1
3 can function as a stopper.

In the above-mentioned automatic opening / closing type sliding door device, the door is returned to the normal opening / closing operation only by pushing the sliding door in the open mode further from the open end position in the opening direction. There is no need to process for mounting, and it does not impair the appearance. Also, there is no need to provide an external switch to return from the open mode to the normal open / close operation. Further, the reaction force generator 13 is connected to the contact member 14 and the holding member 15.
Since the simple configuration including the coil spring 16 is used, a sliding door device excellent in usability can be provided at low cost.

(Second Embodiment) FIG. 3 is a front view of a linear motor driven automatic opening / closing type sliding door device according to a second embodiment, and FIG. 4 is a sectional view of a main part. Since the configuration and operation of the linear motor driven automatic opening / closing type sliding door device are the same as those described in the first embodiment, the same reference numerals as in the first embodiment are used and the detailed description is omitted. The reaction force generator 23 disposed on the frame 12 generates a reaction force when the sliding door 1 is pushed further in the opening direction from the open end position by hand, and as shown in FIG. And a solenoid 25 and a coil spring 26 which are holding members. The contact member 24 has a contact surface 24a formed at the tip of a plunger 25a of the solenoid 25. Solenoid 25
Are mounted in mounting holes 12 a formed in the frame 12. A coil spring 26 is provided between the contact member 24 and the solenoid 25.

The solenoid 25 is energized during the normal opening and closing operation of the sliding door device, causes the plunger 25a to protrude, and holds the contact surface 24a of the contact member 24 at the original position, which is the open end position, to function as a stopper. I have. The solenoid 25 is de-energized when the sliding door 1 is in the open mode, and holds the contact member 24 so as to be movable from the original position by the stroke of the plunger 25a in the sliding door opening direction.

Therefore, when the sliding door 1 is in the open mode, the solenoid 25 is de-energized, so that the sliding door 1 can be pushed further from the open end position in the opening direction. Thereafter, when the pushing force is released, the sliding door 1 is pushed back in the closing direction together with the contact member 24 by being urged by the reaction force of the coil spring 26 pressed by the contact member 24. When the sensor detects this movement in the closing direction, the sliding door 1 returns to the normal opening / closing operation, and the solenoid 25 is excited to hold the contact member 24 at the original position to function as a stopper.

As described above, in the normal opening / closing operation of the sliding door 1, the contact member 24 is held at the original position by the excited solenoid 25 and functions as a stopper. When the sliding door 1 is in the open mode, the solenoid 25 is in the non-open state. Excitation
The contact member 24 is movably held from the original position by a predetermined distance in the sliding door opening direction. Therefore, between the solenoid 25 and the contact member 2
The biasing force of the coil spring 26 provided on the sliding door 4 only needs to be strong enough to push the sliding door 1 back in the closing direction together with the contact member 24. Therefore, the sliding door 1 in the open mode is further pushed in the opening direction from the open end position. It is possible to provide a sliding door device which can reduce the force and is easy to use.

The reaction force generator 13 according to the first embodiment or the reaction force generator 23 according to the second embodiment is disposed on the door end 1a of the sliding door 1, and the contact member 14 or 24 is attached to the frame 12
May be contacted.

In each of the above embodiments, a reaction force generating means for generating a reaction force when the sliding door is further pushed in from the open end position to the opening direction is provided between the door butt and the frame of the automatic opening and closing type sliding door. Although the sliding door has been described, the sliding door does not necessarily have to be of the automatic opening and closing type, and a similar reaction force generating means may be arranged between the door butt and the frame of the manually opening and closing sliding door.

[Brief description of the drawings]

FIG. 1 is a front view of a linear motor driven automatic opening / closing type sliding door device according to a first embodiment.

FIG. 2 is an enlarged sectional view of a reaction force generator used for the sliding door device according to the first embodiment.

FIG. 3 is a front view of a linear motor driven automatic opening / closing sliding door device according to a second embodiment.

FIG. 4 is an enlarged cross-sectional view of a reaction force generator used for a sliding door device according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Sliding door 1a ... Door bottom 12 ... Frame body 13, 23 ... Reaction force generator 14, 24 ... Contact member 15 ... Holding member 16, 26 ... Coil spring 14a, 24a ... Contact surface 25 ... Solenoid 25a ... Plunger

Claims (4)

[Claims] 1. A reaction force generating means for generating a reaction force when the sliding door is further pushed in the opening direction from the open end position is provided between the door end of the sliding door housed in the door bag at the open end position and the frame. A sliding door device characterized by the following. 2. An automatic opening / closing sliding door which can be switched to an open mode in which the sliding door is kept at the open end position and which can return to the normal opening / closing operation by moving the sliding door in the open mode in the closing direction. A sliding door device comprising a reaction force generating means for generating a reaction force when the sliding door is further pushed in the opening direction from the open end position between the frame bodies. 3. A contact member which contacts the door buttocks or frame of the sliding door when the sliding door is at the open end position,
A holding member for holding the contact member movably from the original position by a predetermined distance in the sliding door opening direction or the closing direction, and a biasing member provided between the holding member and the contact member for urging the contact member to return to the original position. The sliding door device according to claim 1, wherein the sliding door device comprises a coil spring. 4. A contact member that contacts the door buttocks or frame of the sliding door when the sliding door is at the open end position,
When the sliding door is normally opened and closed, the contact member is excited to hold the contact member at the original position, and when the sliding door is in the open mode, the contact member is de-energized so that the contact member can be moved a predetermined distance in the sliding door opening direction or the closing direction. 3. The sliding door device according to claim 2, comprising: a solenoid to be held; and a coil spring provided between the solenoid and the abutting member and biasing the abutting member in a direction to return to the original position.