JP2001123734A - Sliding door in building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the sliding door from violently colliding with the vertical frame of an opening by decelerating the sliding door when the sliding door is automatically closed. SOLUTION: The sill (15) of a sliding door (13) is declined downward toward the closing side of the sliding door. In the sliding door constituted so as to automatically move to the closing direction along the sill due to the own weight when leaving one's hold of the sliding door after it has been opened, an inclined part (23) declined downward from the end (21) of the opening side to the closing side is formed in the sill and a part corresponding to the closing position of the sliding door following the inclined part is shaped to be substantially horizontal (25).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door in a building, and more particularly to a sliding door which automatically closes when opened. The “sliding door” in the present specification including the claims also includes a hanging door. The “sliding door” is not limited to a single sliding door, a sliding door, a sliding door and the like.

[0002]

2. Description of the Related Art Japanese Patent Laid-Open No. 10-11514 discloses a sliding door in a building which automatically closes when opened.
No. 6 (hereinafter referred to as "conventional sliding door") is known. In this conventional sliding door, the sill of the sliding door is inclined downward in the closing direction of the sliding door, and the lower edge of the sliding door is inclined downward in the closing direction of the sliding door. When the hand is released, the sliding door automatically moves in the closing direction along the threshold by its own weight.

[0003]

The above-mentioned conventional sliding door is
A user of a wheelchair who has difficulty in closing the sliding door, particularly after passing through the opening, in that the sliding door is automatically closed along the threshold by its own weight when the hand is released from the sliding door after opening the sliding door. At first glance, it seems to be convenient, but the conventional sliding door has the following problems.

(A) Since the sliding door sill is inclined at the same angle over the entire length of the sill, when the open sliding door is automatically closed, the sliding door is gradually accelerated on the inclined sill. That is, when the sliding door is closed, it collides with the vertical frame of the opening without being decelerated. Therefore, not only an unpleasant collision sound is generated when the sliding door is closed, but also an elderly person, a child, etc., may inadvertently injure the hand or finger between the sliding door and the vertical frame of the opening. The sliding door may be damaged. In order to prevent this, in the above-mentioned conventional sliding door, an impact buffer is attached to the vertical frame of the opening, but even when such an impact buffer is attached, the sliding door is attached to the vertical frame of the opening. Colliding at high speeds is unpleasant and undesirable.

(B) Since the sill of the sliding door is inclined at the same angle over the entire length of the sill, if the sliding door is opened and then the hand is released, the sliding door immediately starts moving in the closing direction without stopping. . That is, the sliding door cannot be kept open. Therefore, in the above-mentioned conventional sliding door, a locking mechanism for the sliding door is attached to the vertical frame of the opening in order to stop the sliding door in an open state. However, when such a locking mechanism is provided, it is troublesome to operate the locking mechanism when stopping the sliding door in an open state and closing the opened sliding door.

(C) Since the sliding door sill is inclined at the same angle over the entire length of the sliding door, if the sliding door is opened and then the hand is released, the sliding door immediately starts to move in the closing direction. As a result, the person who opened the sliding door may close the sliding door before passing through the opening, and may collide with the person. This is particularly disadvantageous for wheelchair users.

(D) Since the sliding door sill is inclined at the same angle over the entire length of the sliding door, the inclined sill projects on the floor at the opening through which a person should pass when the sliding door is opened. Become. Such a sill that protrudes above the floor surface may cause a person who passes through the opening to trip, and impedes the passage of a wheelchair. A sill protruding above the floor is extremely dangerous, especially for the elderly, the physically handicapped, and infants.

The present invention has been made to solve the above-mentioned problems in the conventional sliding door.

[0009]

In order to solve the above-mentioned problems, the present invention provides the following sliding doors.

(1) The sill of the sliding door is inclined downward toward the closing direction of the sliding door, and when the sliding door is opened and the hand is released from the sliding door, the sliding door is automatically moved along the sill by its own weight. In the sliding door adapted to move in the closing direction, the threshold forms an inclined portion inclined downward from the end on the opening direction toward the closing direction, and a portion corresponding to the closed position of the sliding door following the inclined portion is formed. Sliding door in a building characterized by being a substantially horizontal portion (Claim 1).

(2) A concave portion for dropping a sliding door of a sliding door is formed near an end on the opening direction side of the inclined portion of the sill (claim 2).

(3) The inclined portion of the sill is adjustable in angle between an inclined state and a horizontal state.

(4) The sill of the sliding door is inclined downward in the closing direction of the sliding door, and when the sliding door is opened and the hand is released from the sliding door, the sliding door is automatically moved along the sill by its own weight. A sliding door in a building, wherein the sliding door is movable in a closing direction, and the sill is adjustable in angle between an inclined state and a horizontal state (claim 4).

(5) A rail that is inclined downward in the closing direction of the sliding door is provided in the door, and a door roller is attached to the upper edge of the sliding door, and the sliding door is fitted along the rail by fitting the door roller onto the rail. The sliding door is automatically moved in the closing direction along the rail by its own weight when the sliding door is opened and the hand is released after the sliding door is opened. A sliding door in a building, wherein an inclined portion is formed from the portion toward the closing direction, and a portion corresponding to a closed position of the sliding door following the inclined portion is formed as a substantially horizontal portion (Claim 5).

(6) A concave portion for dropping a sliding door of a sliding door is formed near the end of the inclined portion of the rail on the opening direction side.

(7) The angle of the inclined portion of the rail can be freely adjusted between an inclined state and a horizontal state.

(8) At the Kamoi, a rail inclined downward in the closing direction of the sliding door is provided, and a door roller is attached to the upper edge of the sliding door, and the sliding door is fitted along the rail by fitting the door roller onto the rail. The sliding door is configured such that when the sliding door is opened, the sliding door is automatically moved in the closing direction along the rail by its own weight when the sliding door is released and the hand is released. A sliding door in a building, wherein the angle between the sliding door and the door is adjustable.

In this specification, the "closed position" means a position where the sliding door is closed. The “closing direction” refers to the direction in which the sliding door closes (leftward in FIGS. 1 and 3),
The “opening direction” refers to the direction in which the sliding door opens (rightward in FIGS. 1 and 3). Further, the “door pulley” in the present specification including the claims includes not only a rotatable vehicle but also a sliding protrusion having no rotating portion.

[0019]

The sliding door in the closed position is moved in the opening direction by hand, and the sliding door on the opening side of the sliding door is lifted on the slope of the sill, and then the sliding door is closed. The vehicle automatically starts moving in the direction, gradually decelerates due to the substantially horizontal portion of the sill, and comes into contact with the vertical frame of the opening to stop.

The sliding door in the closed position is moved in the opening direction by hand, and when the sliding door on the opening side of the sliding door falls into the recess near the opening-side end of the slope of the sill, The sliding door stops at that position and is locked in that position. In this state, if the sliding door is lightly pulled by hand in the closing direction, the sliding door automatically moves, and stops at the closed position.

The sliding door according to the third aspect of the present invention can adjust the angle of the inclined portion between the inclined state and the horizontal state as required. The moving speed and force of the sliding door can be changed by adjusting the inclination angle of the inclined portion. When the slope is horizontal,
Since the entire threshold is horizontal, the sliding door does not move automatically.

[Sliding Door of Claim 4] The sill of the sliding door of claim 4 can adjust the angle of the entire sill between an inclined state and a horizontal state. Adjusting the angle of the entire sill can change the speed and force with which the sliding door moves.
The sliding door does not move automatically when the entire threshold is leveled.

[Sliding Door of Claim 5] Claim 5 relates to a sliding door type sliding door, and has the same operation as the sliding door of claim 1.

[Sliding Door of Claim 6] Claim 6 relates to a sliding door type sliding door, and has the same operation as the sliding door of claim 2.

[Seventh aspect of the invention] A seventh aspect of the present invention relates to a sliding door type sliding door, which has the same function as the third aspect of the invention.

[Sliding Door of Claim 8] The rail in the sliding door of claim 8 can adjust the angle of the entire rail between an inclined state and a horizontal state. By adjusting the angle of the whole rail, the moving speed and force of the sliding door can be changed. When the entire rail is leveled, the sliding door does not move automatically.

[0027]

Next, embodiments of the present invention will be described with reference to the accompanying drawings.

Reference numeral 11 denotes an opening, reference numeral 13 denotes a sliding door, reference numeral 15 denotes a threshold, and reference numeral 16 denotes a gate. The present invention tilts the threshold 15 of the sliding door 13 downward in the closing direction of the sliding door 13, and when the sliding door 13 is opened and the hand is released from the sliding door 13, the sliding door 13 is moved to the threshold 15 by its own weight. It is the same as the above-mentioned conventional sliding door in that it automatically moves in the closing direction along the sliding door. Symbol 17
A reference numeral a denotes a door roller on the opening direction side, and a reference numeral 17b denotes a door roller on the closing direction side.

In the present invention, however, the sill 15 forms an inclined portion 23 inclined downward from the end 21 on the opening side toward the closing direction, and the sliding door 1 following the inclined portion 23 is formed.
The portion corresponding to the closed position 3 is a substantially horizontal portion 25. The substantially horizontal portion 25 preferably has a height that does not protrude above the floor surface 19. The substantially horizontal portion 25 is the floor surface 1
A height that hardly protrudes above the opening 9 does not hinder a person from passing through the opening.

A concave portion 27 for dropping the door 17a of the sliding door 13 is formed near the open end 21 of the inclined portion 23 of the threshold 15. See FIG.

As shown in FIG. 8, the inclined portion 23 of the threshold 15 may be adjustable in angle between an inclined state and a horizontal state.

The threshold 15 'in the example shown in FIG. 9 has the entire threshold inclined downward from the end 21 on the opening direction toward the closing direction. The angle can be adjusted with.

FIGS. 3 and 4 show examples in which the present invention is applied to a sliding door type sliding door. That is, in this case, the rail 31 is disposed on the Kamoi 16 and the doors 33a, 33b are attached to the upper edge of the sliding door 13, and the sliding doors 13a, 33b are fitted to the rail 31 so that the sliding door 13 is connected to the rail 31. Can move freely along the door, sliding door 1
The sliding door 13 is automatically moved in the closing direction along the rail 31 by its own weight when the hand is released from the sliding door 13 after the door 3 is opened. Rail 31 in the illustrated case
Are provided, but only one rail 31 may be used. Reference numeral 33a denotes a door roller on the opening direction side, and reference numeral 33b denotes a door roller on the closing direction side. Reference numeral 17 ′ in FIG. 4 denotes a door wheel.

Rail 31 of the sliding door 13 of the hanging door type
Is similar to the threshold 15 shown in FIG.

That is, in the present invention, the rail 31 forms an inclined portion 23 inclined downward from the open end 21 toward the closing direction, and the sliding door 13 following the inclined portion 23 is formed.
The portion corresponding to the closed position is formed as a substantially horizontal portion 25.

A recess 27 for dropping a door roller 33a of the sliding door 13 is formed near the end 21 on the opening direction side of the inclined portion 23 of the rail 31. See FIG.

The angle of the inclined portion 23 of the rail 31 is adjustable between an inclined state and a horizontal state.

The rail 31 'in the case shown in FIG. 9 has the entire rail inclined downward from the end 21 on the opening direction toward the closing direction, and the rail 31' is between the inclined state and the horizontal state. The angle can be adjusted with.

Next, the holding means for holding the sliding door 13 in the open state will be described. In the example shown in FIG. 5, a magnet or iron piece 37 is attached to the vertical frame 35 in the opening direction of the opening as the holding means, and the iron piece or magnet 39 corresponding to the magnet or iron plate 37 is attached to the side edge of the sliding door 13 in the opening direction. The sliding door 13 is held in an open state by the attaching action of these magnets or the iron pieces 37 and 39.

In the case shown in FIG. 7, a holding spring 4 is provided on the lower surface of the end of the gate 16 in the opening direction as holding means.
1 is protruding. The pressing spring 41 holds the sliding door 13 in an open state by pressing the sliding door 13.

An example of means for adjusting the angle of the inclined portion 23 of the threshold 15 between the inclined state and the horizontal state will be described with reference to FIGS. Note that when this means is turned upside down, the means
Is a means for making the angle of the inclined portion 23 adjustable between the inclined state and the horizontal state.

The inclined portion 23 of the sill 15 in FIGS. 10 and 11 is slidably fitted in a holding groove 45 formed on the upper surface of the sill holder 43. The inclined portion 23 of the threshold 15 is provided with a door roller rail 51 on the upper surface. Through holes 53 and 55 are formed in the inclined portion 23 of the door rail 51 and the sill 15 so as to penetrate them vertically. A support bolt 57 for supporting the inclined portion 23 of the sill 15 is inserted into the through holes 53 and 55 with the bolt head 59 facing the through hole 53 of the rail 51 for the door car. Reference numeral 61 denotes a support bolt 5
Reference numeral 63 denotes a support plate fixed to 7, and a washer. A support bolt 57 is provided at the bottom of the holding groove 45 in the sill holder 43.
Is fixed, and the internal thread member 65 is fixed.
When the support bolt 57 is screwed into the sill 15 and the support bolt 57 is rotated, the inclined portion 23 of the sill 15 is tilted, and the angle of the inclined portion 23 is adjusted between the inclined state and the horizontal state.

The present invention can be applied to an existing building.

[0044]

[Effect of the invention] [Sliding door of claim 1] The sliding door of claim 1 exhibits the following excellent effects. If the sliding door in the closed position is moved in the opening direction by hand, and the sliding door on the opening direction side of the sliding door is on the slope of the sill, release the sliding door,
The sliding door automatically starts to move in the closing direction, and then gradually decelerates due to the substantially horizontal portion of the sill, and stops by lightly touching the vertical frame of the opening. That is, when the sliding door is automatically closed, the sliding door is decelerated by the horizontal portion of the sill before coming into contact with the vertical frame of the opening, so that the sliding door does not strongly collide with the vertical frame of the opening. In other words, the sliding door does not make a collision noise with the vertical frame. In addition, there is no possibility of injuring the hand or finger between the sliding door and the vertical frame.

The sliding door in the closed position is moved in the opening direction by hand, and the sliding door on the opening direction side of the sliding door is dropped into a concave portion formed in the inclined portion of the sill, whereby the sliding door is moved in this position. It can be stopped reliably and locked in that position. In this state, if the sliding door is lightly pulled by hand in the closing direction, the sliding door automatically moves, and stops at the closed position.

According to the third aspect of the present invention, the inclined portion of the sill is adjustable in angle between an inclined state and a horizontal state.
If necessary, the angle of the inclined portion can be adjusted between the inclined state and the horizontal state. The moving speed and force of the sliding door can be changed by adjusting the inclination angle of the inclined portion. When the inclined portion is in the horizontal state, the entire sill is in the horizontal state, so that the sliding door does not automatically move.

[Sliding Door of Claim 4] The sill of the sliding door of claim 4 can adjust the angle of the entire sill between an inclined state and a horizontal state. Adjusting the angle of the entire sill can change the speed and force with which the sliding door moves.
The sliding door does not move automatically when the entire threshold is leveled.

[Sliding door of claim 5] The sliding door of claim 5 exhibits the same effect as the sliding door of claim 1.

[Sliding door of claim 6] The sliding door of claim 6 exhibits the same effect as the sliding door of claim 2.

[Sliding Door of Claim 7] The sliding door of claim 7 has the same effect as the sliding door of claim 3.

[Sliding Door of Claim 8] The rail in the sliding door of claim 8 can adjust the angle of the entire rail between an inclined state and a horizontal state. By adjusting the angle of the whole rail, the moving speed and force of the sliding door can be changed. When the entire rail is leveled, the sliding door does not move automatically.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of a sliding door according to the present invention.

FIG. 2 is a sectional view of the sliding door.

FIG. 3 is a front view showing another example of the sliding door according to the present invention.

FIG. 4 is a sectional view of the sliding door.

FIG. 5 is an explanatory diagram showing a threshold.

FIG. 6 is an explanatory diagram showing another threshold.

FIG. 7 is a front view showing an example of holding means for holding the sliding door in an open state.

FIG. 8 is an explanatory view showing still another threshold.

FIG. 9 is an explanatory view showing still another threshold (rail).

FIG. 10 is a cross-sectional view showing an example of a means for adjusting an angle of an inclined portion of a sill between an inclined state and a horizontal state.

FIG. 11 is a plan view showing the same means and the like.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Opening part 13 Sliding door 15 Sill 15 'Sill 16 Kamoi 17a Opening side door 17b Closed side door 17' Door door 19 Floor surface 21 Opening side end 23 Sloping part 25 Substantially horizontal part 27 Depression 31 Rail 31 ' Rail 33a Door roller 33b Door roller 35 Vertical frame 37 in the opening direction 37 Magnet or iron piece 39 Iron piece or magnet 41 Holding spring 43 Sill holder 45 Holding groove 51 Rail for door roller 53 Through hole 55 Through hole 57 Support bolt 59 Bolt head 61 Support plate 63 Washer 65 Female thread member

Claims (8)

[Claims] The sliding door is tilted downward in the closing direction of the sliding door, and when the sliding door is opened and the hand is released from the sliding door, the sliding door is automatically closed along the threshold by its own weight. In the sliding door adapted to move in the direction, the sill forms an inclined portion inclined downward from the end on the opening direction toward the closing direction, and a portion corresponding to the closed position of the sliding door following the inclined portion is substantially formed. Sliding door in a building characterized as being a horizontal part. 2. A sliding door in a building according to claim 1, wherein a concave portion for dropping a sliding door door is formed near an end of the inclined portion of the sill on the opening direction side. 3. The sliding door according to claim 1, wherein an angle of the inclined portion of the sill is adjustable between an inclined state and a horizontal state. 4. A sill of a sliding door is inclined downward in a closing direction of the sliding door, and when the sliding door is opened and then a hand is released from the sliding door, the sliding door automatically closes along the sill by its own weight. A sliding door adapted to move in a direction, wherein the threshold is adjustable between an inclined state and a horizontal state. 5. A door is provided with a rail inclined downward in the closing direction of the sliding door, and a door roller is attached to an upper edge of the sliding door, and the sliding door is fitted along the rail by fitting the door roller on the rail. A sliding door, wherein the sliding door is automatically moved in the closing direction along the rail by its own weight when the sliding door is opened and the user releases his / her hand after opening the sliding door. A sliding door in a building, characterized in that an inclined portion is formed in the direction from the opening to the closing direction, and a portion corresponding to the closed position of the sliding door following the inclined portion is formed as a substantially horizontal portion. 6. The sliding door according to claim 5, wherein a concave portion for dropping a sliding door is formed near an end of the inclined portion of the rail on the opening direction side. 7. The sliding door according to claim 5, wherein the inclined portion of the rail is adjustable in angle between an inclined state and a horizontal state. 8. A door is provided with a rail inclined downward in the closing direction of the sliding door, and a door roller is attached to an upper edge of the sliding door, and the door roller is fitted along the rail so that the sliding door is moved along the rail. The sliding door is configured to be movable, and when the sliding door is opened, the sliding door automatically moves in the closing direction along the rail by its own weight when the hand is released from the sliding door. A sliding door in a building, characterized in that the angle can be adjusted between the sliding doors.