JP2524623Y2 - Sliding door switchgear - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a sliding door opening / closing device, and more specifically, to keep the opening airtight when the sliding door is in a closed position, and when the sliding door is opened, to raise the sliding door to obtain a smooth moving operation. And a switchgear.

[0002]

2. Description of the Related Art In a conventional sliding door, for example, a hanging door, a plurality of door rollers are movably provided on a rail fixed at an upper portion of an opening, and a door member is attached to the door roller in a hanging manner so as to extend along the longitudinal direction of the rail. The door member is configured to be opened and closed by moving the door member. In order to prevent the door member from coming into contact with the floor surface during the opening and closing movement, the door member is generally mounted floating above the floor surface.

[0003]

For this reason, in the conventional hanging door, even when the door member is in the closed position, a gap is formed between the lower portion of the door member and the floor surface, and the opening and closing portion is opened in an airtight manner. If the door cannot be closed, and if the lower surface of the door member comes into contact with the floor surface to achieve airtightness, there is a problem that a protruding portion is formed on the floor surface, which hinders walking and the like.

Therefore, an object of the present invention is to provide an opening / closing device in which an opening can be hermetically closed by a sliding door without forming a projecting portion on a floor surface, and furthermore, a sliding door can be smoothly opened and closed. It is in.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a door stroller that can move freely along a rail so that the door can move up and down within a range limited by a stopper provided on the door stroller. A swing arm is provided, and a mounting member for mounting the door member in a suspended manner is pivotally fixed to the tip of the swing arm, and the upper portion of the door roller and a portion of the rail where the door roller stops at the closed position. , allowing entry into the closed position of the door roller, provided with a stopper mechanism for preventing the movement in the opening direction of the door roller to stop in the closed position, the stopper mechanism, the door roller
The end located on the opening direction side of the
A stopper rod that can pivot and swing up and down
Provided on the upper surface, when the door wheel stops in the closed position,
The tip of the stopper rod engages and moves the door roller in the opening direction.
The supporting step to block and the upper part of the swing arm directly above the swinging arm
It is attached so that it can swing freely, and the tip is
Lock release arm that is supported at the bottom in a lowered position
And a support step of the stopper rod.
The lock is released by raising the swing arm provided on the door roller.
The lock lever release lever
It adopts a configuration that can be released by pushing up.

[0006]

When the door member is in the open position, the swing arm stands up and the door member is in the raised position, and when the door member is moved in the closing direction, the door wheel also moves integrally, and the door member is moved to the closed position. When the door member is further pushed in the closing direction in a state where the door wheel has just reached and the door wheel has stopped, the swing arm rotates to the prone position, whereby the door member descends and abuts against the door stop, and the opening portion is closed. Close hermetically.

In this state, when the stopper mechanism is engaged and the door member is pushed in the opening direction when the door is opened, the door mechanism remains stopped by the stopper mechanism. The member moves away from the door stop while ascending, and the stopper of the stopper mechanism is released by the swing arm when the swing arm is raised, so that the door roller moves in the opening direction together with the door member.

[0008]

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

FIGS. 1 to 5 exemplify a hanging door as a sliding door.
FIG. 1 shows an open state of a hanging door, and FIG. 2 shows a closed state thereof. One side of an opening 1 such as an entrance in a building serves as a storage section 3 of a door member 2, and the other side edge forms a door stop 23. Has become.

A rail 4 is horizontally fixed to the upper part of the opening 1 and the storage part 3, and the door member 2 is suspended by a pair of doors 5, 6 stored in the rail 4, and the doors 5, 5 The movement of the door member 6 allows the door member 2 to move between a closed position where the opening 1 is closed and an open position where the door member 2 is accommodated in the storage portion 3.

As shown in FIG. 4, the rail 4 has a rectangular cross section in which the upper portion of the door member 2 fits in the lower surface opening, and the rail portions 7 supporting the door wheels 5, 6 at intermediate positions are provided on opposing surfaces of both side walls. , 7, and ridges 8, 8 for receiving the door member 2 at the lower end position are provided. When the door member 2 is at the lowered position,
The protrusions 9, 9 provided on both upper surfaces overlap the packings 10, 10 of the ridges 8, 8, so that the rail 4 and the door member 2 are airtight.

As shown in FIGS. 3 to 5, the door rollers 5 and 6 include a vehicle body 13 having a downward U-shaped cross section in which side walls 12 and 12 are opposed to lower portions on both sides of an upper wall 11, and a lower portion of the vehicle body 13. The wheel 1 is formed by wheels 14 attached to both front and rear ends.
The rail 4 is mounted on the rail portions 7 of the rail 4 and supported so as to be movable in the longitudinal direction of the rail 4. In addition, since both doors 5 and 6 have the same structure, one door 5
Will be described only.

A pair of swing arms 16 each having a lower end attached to a lower portion of a side wall 12 by a pivot 15 are attached to a position substantially in the center of the body 13 of the door roller 5 so as to be opposed on both sides. A mounting member 18 of the door member 2 is suspended and suspended on a horizontal shaft 17 provided between the upper ends of the moving arms 16.

The swing arm 16 can freely move up and down around the pivot 15 at the lower end in the direction of movement of the door roller 5.
A shaft-shaped stopper 19 that supports the swing arm 16 that supports the swing arm 16 that stands up toward the side opposite to the door stop 23 is installed.

The oscillating range of the oscillating arm 16 is limited by the stoppers 19 and 20. When the oscillating arm 16 stands up, the oscillating arm 16 is located on the opposite side of the door stop 23 from the vertical dead center passing through the pivot 15 as shown in FIG. The attitude becomes slightly inclined.

The mounting member 18 suspended between the upper ends of the swing arm 16 has its lower end protruding below the lower surface of the door roller 5 and is fixed such that the upper surface of the door member 2 overlaps the lower end surface of the mounting member 18. ing. The hanging position of the door member 2 by the pair of door rollers 5 and 6 is set at the upper end of the door member 2 near both ends in the opening and closing direction as shown in FIG. It is connected.

When the swing arm 16 is in the upright position, the door member 2 is in the raised position as shown in FIGS. 1 and 3, and the lower end of the door member 2 is lifted off the floor surface 22.
The protrusions 9 on both sides are also lifted from the packings 10 so that the door wheel 5 and the door member 2 can move.

When the swing arm 16 is in the prone position, the door member 2 is in the lowered position as shown in FIGS.
The lower end overlaps the floor surface 22 and the protrusions 9 and 9
In a state where the door member 2 abuts on the door stop 23 while the door member 2 abuts on the door stop 23, the positional relationship between the door wheel 5 and the door member 2 is adjusted so that the door stall 5 on the door stop 23 side abuts on the door stop 23 and stops. Is set. In the closed position, the lap portion between the door member 2 and the wall surface of the storage section 3 overlaps.

When the door member 2 is in the closed position at the upper part of the one door roller 5 and the upper part in the rail 4, the door roller 5 is closed at a position immediately above the door roller 5 which comes into contact with the door stop 23 and stops. A stopper mechanism 31 is provided to allow entry into the position and prevent movement of the door wheel 5 that stops at the closed position in the opening direction.

This stopper mechanism 31 is shown in FIGS.
As described above, the arm 33 for unlocking is attached to the long hole 32 provided in the upper wall 11 of the vehicle body 13 and is attached to the vehicle body 13 so as to be swingable up and down, and is fixed to the inner surface of the upper wall of the rail 4. It comprises a mounting rod 34 and a stopper rod 35 having one end pivotally connected to the mounting rod 34.

The unlocking arm 33 has one end pivotally connected to the vehicle body 13 by means of a pivot 36 so that it can swing up and down about the pivot 36 and the other end facing the door stop 23 side. The portion is supported by the bottom surface of a supporting step portion 37 provided at the end of the elongated hole 32 on the lower surface of the upper wall 11, and the upper surface thereof is held in a position lower than the upper surface of the upper wall 11.

The lock release arm 33 is located above the stoppers 19 and 20 in the vehicle body 13,
At the upper end of the oscillating arm 16 that rotates up and down,
When the swing arm 16 is in the upright posture as shown in FIG. 3, it is mounted on the upper end of the swing arm 16. The cam surface 33a is pushed up by the pivot portion of the member 8,
The unlocking arm 33 rotates upward, and the other end is positioned above the upper surface of the upper wall of the vehicle body 13.

When the swing arm 16 is in the prone position as shown in FIG. 4, the push-up is released, so that the other end of the unlocking arm 33 rests on the support step 37 and the upper wall 11
The posture is lowered below the upper surface of the.

The stopper rod 35 can swing up and down around a pivot 38 having one end pivotally connected to the mounting rod 34, and the other end of the stopper rod 35 facing the door stop 23 is rotated by its own weight. Will overlap the stop release arm 33,
When the unlocking arm 33 is in a position where it falls into the supporting step 37 as shown in FIG. 4, the other end of the stopper rod 35 also falls into the supporting step 37.
When the door is to be moved in the opening direction, the vertical surface of the supporting step portion 37 comes into contact with and engages with the end of the stopper rod 35, so that the movement of the door roller 5 in the opening direction is prevented.

As shown in FIG. 3, when the unlocking arm 33 is pushed up by the standing of the swing arm 16,
The arm 33 pushes up the stopper rod 35, and the other end of the stopper rod 35 is positioned above the upper surface of the upper wall 11, thereby unlocking the support step 37 and the stopper rod 35 and opening the door wheel 5. To move to.

The stopper rod 3 for the mounting rod 34
A pair of locking pieces 39 and 40 are provided at the ends of the stopper rod 35 and the mounting rod 34 in order to limit the downward movement of 5 to a constant.

The first example of the opening / closing device of the present invention has the above-described configuration, and the door member 2 is supported in a suspended manner by door wheels 5 and 6 provided in the rail 4, and the door member 2 is pulled by a handle or the like. , The opening 1 can be opened and closed.

As shown in FIG. 1, when the door member 2 is in the open position, the swing arms 16 in the door wheels 5 and 6 are in the standing posture, and the door member 2 is lifted from the floor surface 22, and
The unlocking arm 33 of the stopper mechanism 31 is pushed up by the swing arm 16 and the upper wall 11 of the door roller 5 is moved.
, And the stopper rod 35 is held at the lowered position.

When the door member 2 is moved in the closing direction,
The door rollers 5, 6 also move integrally, and when the door member 2 reaches just before the closed position, the door roller 5 comes into contact with the door stop 23 and stops as shown in FIG.

At this time, the door wheel 5 enters just below the stopper rod 35 in the stopper mechanism 31, but the stopper rod 35 is pushed up on the upper surface of the door roller 5 and does not hinder the entry of the door roller 5. When the door roller 5 comes into contact with the door stop 23 and is locked, the stopper rod 35 is placed on the lock release arm 33.

When the door member 2 is further pressed in the closing direction in this state, the mounting members 18, 18 together with the door member 2 try to move to the door stop 23 side with respect to the stopped door wheels 5, 6, and this moving force As a result, the swing arm 16 rotates about the pivot 15 toward the door stop 23 side, and the door member 2 also pivots around the pivot 15.
2 and 4, by moving toward the door stop 23 and moving downward, the door member 2 is in contact with the door stop 23 and the lower part is floored, as shown in FIGS. It overlaps on the surface 22, and the protrusions 9, 9 overlap on the packings 10, 10, so that the opening 1 is closed in an airtight manner.

When the swing arm 16 pivots downward, the unlocked arm 33, which has been lifted up, descends and falls into the support step 37, at the same time the stopper rod 16 also descends, and the other end is supported. It falls into step 37.

Next, when the door member 2 in the closed position is pulled in the opening direction, the mounting members 18, 18 also move in the same direction, and the door wheel 5,
However, the door arm 5 is prevented from moving in the opening direction by the engagement between the stopper rod 35 and the supporting step 37, and therefore, the swing arm 16 rotates in the rising direction. The door member 2 moves away from the door stop 23 and rises.

As shown in FIG. 3, with the swing arm 16 standing up and in contact with the stopper 20, the door member 2 rises from the floor surface, and at the same time, the projections 9, 9 rise from the packings 10, 10.

When the swing arm 16 stands up, the lock release arm 33 is pushed up at its upper end, and the stopper rod 35 is pushed up by the arm 33 above the upper surface of the door roller 5 as shown in FIG.

Thus, the stopper rod 35 and the door wheel 5
Is released, the door wheel 5 moves in the opening direction together with the door member 2, and the door member 2 is
2 is suspended and held so as not to contact, and can be smoothly moved by the door rollers 5 and 6.

Next, FIGS. 6 and 7 illustrate a second example of a sliding door in which a lower portion of a door member is supported by a door roller. 6 shows an open state of the door member, and FIG. 7 shows a closed state of the door member. The same members as those in the first example of FIGS. 1 to 5 will be described using the same reference numerals.

In the same figure, a concave groove 51 provided on the floor surface 22 is shown.
The door 52 provided with a rail 52 at the bottom of the door and capable of moving on the rail 52 while being accommodated in the concave groove 51 has wheels 55, 55 attached to the front and rear lower parts of the vehicle body 54, and is located at a substantially central position inside the vehicle body 54. A swing arm 16 having a lower end supported by a pivot 15 and capable of swinging back and forth is attached, and an attachment member 18 of the door member 2 is pivotally fixed to an upper end of the arm 16 by a horizontal shaft 17.

The swing arm 16 can be moved up and down with respect to the door roller 53 in the direction of movement of the door roller 53. Inside the vehicle body 54, a shaft-shaped supporting arm for supporting the rocking arm 16 which falls down toward the door stop 23 is provided. And a stopper 2 for supporting the swing arm 16 standing upright toward the side opposite to the door stop 23.
0 is erected.

The oscillating range of the oscillating arm 16 is limited by the stoppers 19 and 20. When the oscillating arm 16 stands, the oscillating arm 16 is slightly inclined from the vertical dead center passing through the pivot 15 to the side opposite to the door stop 23. Become a posture.

When the lower portion of the door member 2 is fixedly supported by the mounting member 18 and the swing arm 16 is in the standing position, the lower end of the door member 2 rises from the floor surface 22 and the swing arm 16
In the state shown in FIG.
2 on top of each other.

The door member 2 is supported by a door wheel 53 having a structure in which the lower portions on both sides are equal, and the door wheels 53 on both sides are connected to the vehicle body 53 by the connecting rod 21. FIGS. Only the side door 53 is shown.

The vehicle body 54 of the door roller 53 on the door stop 23 side
The bottom wall 56 is provided with a locking hole 57 at a position substantially at the center thereof.
The stopper mechanism 5 which is engaged with and disengaged from the locking hole 57 at a position corresponding to immediately below the locking hole 57 when stopping by contact with the locking hole 57.
8 are provided.

The stopper mechanism 58 is formed using a leaf spring, and has one end opposite to the door stop 23 fixed to the rail 52, the other end protruding above the rail 52, and a locking hole formed in the other end. 57 and an engaging portion 59.

When the door roller 53 moves to the door stop 23 side,
The door roller 53 enters so as to push down the stopper mechanism 58 on the lower surface of the bottom wall 56, and when the door roller 53 comes into contact with the door stop 23, the locking hole 57 faces directly above the stopper mechanism 58 and the stopper mechanism 58 rises. The locking piece 59 is engaged with the locking hole 57 to prevent the door wheel 53 from moving to the side opposite to the door stop 23 as shown in FIG.

At the lower end of the swing arm 16, a pressing member 60 for pushing down the stopper mechanism 58 to release the lock.
When the swing arm 16 is in the upright position as shown in FIG. 6, the pressing member 60 pushes down the tip of the stopper mechanism 58 and releases the lock with the locking hole 57, thereby releasing the door of the door wheel 53. The movement to the opposite side from the hit 23 is enabled.

The upper part of the door member 2 in the second example is
Although not shown, it is held in a groove-shaped rail fixed to the ceiling portion so that it can be moved up and down and moved.

The opening / closing device of the second example is configured as described above. The door member 2 is supported at both lower sides by a door roller 53, and at the time of opening / closing operation, the swing arm 16 is in a standing posture as shown in FIG. The lower part of the door member 2 is floating from the floor surface 22.

As shown in FIG. 6, when the door member 2 is moved to the closed position, the door wheel 53 first comes into contact with the door stop 23 and stops, and in this state, when the door member 2 is pulled toward the door stop 23, The swing arm 16 falls down, and the door member 2 contacts the door stop 23 and the floor surface 22 as shown in FIG.

When the swing arm 16 falls down, the stopper mechanism 58 is released from being pushed down and rises, and is engaged with the locking hole 57 so that the door wheel 53 does not move to the side opposite to the door stop 23. .

When the door member 2 is pulled in the opening direction, since the door wheel 53 cannot move, the swing arm 16 stands up, and the door member 2 moves away from the floor surface 22 and the door stop 23 while rising, as shown in FIG. The stopper mechanism 58 is pushed down and the locking hole 57 is
Is disengaged, the door wheel 53 and the door member 2 move in a direction away from the door stop 23, and the doorway can be opened.

[0052]

As described above, according to the present invention, the door member is attached to the door roller moving along the rail via the swing arm, and the door member is raised at the time of the opening operation, and the door member is lowered at the time of the closing operation. As a result, the opening can be airtightly closed by the sliding door, and the door member can be moved smoothly during the opening / closing operation.

[Brief description of the drawings]

FIG. 1 is a front view showing an open state of a sliding door using a first example of a switchgear of the present invention.

FIG. 2 is a front view showing the same closed state.

FIG. 3 is an enlarged vertical sectional view of a door roller portion showing a state when the door member is opened.

FIG. 4 is an enlarged longitudinal sectional view showing a closed state of the door member in the above.

FIG. 5 is an enlarged vertical sectional view of FIG. 3;

FIG. 6 is a longitudinal sectional front view showing an opened state of a sliding door using a second example of the opening and closing device.

FIG. 7 is a longitudinal sectional view showing a closed state of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Opening part 2 Door member 4 Rail 5, 6 Door roller 14 Wheel 16 Swing arm 19, 20 Stopper 22 Floor surface 31 Stopper mechanism 33 Unlocking arm 34 Mounting rod 35 Stopper rod

Claims (1)

(57) [Scope of request for utility model registration] 1. A door roller that is movable along a rail,
A swing arm is provided to be able to move up and down in a range limited by a stopper provided on the door roller, and a mounting member for mounting the door member in a suspended manner at the tip of the swing arm is pivotally stopped,
A stopper mechanism is provided at an upper portion of the door roller and at a portion of the rail where the door roller stops at the closed position, which allows the door roller to enter the closed position and prevents the door roller stopped at the closed position from moving in the opening direction. , This stopper mechanism is on the side of the door
Pivot on the rail above the door wheel
A stopper rod that can swing down and is provided on the top of the door roller
When the door wheel stops at the closed position,
The tip of the rod engages to prevent the door puller from moving in the opening direction.
The swinging part moves to the position just above the swinging arm at the
So that the tip is below the bottom of the support step.
Formed with an unlocking arm supported in a depressed position
And locking the stopper rod to the supporting step portion with the door.
Raises the unlocking arm when the swing arm provided on the car rises
To push up the stopper rod with this unlocking arm.
Therefore , a sliding door opening / closing device that is opened.