JPH10238206A - Slide door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slide door having a door body which can be opened and closed by a relatively small force. SOLUTION: A slide door 1 is composed of a rail 8 provided to an upper frame, a slider 10 accommodated in the rail 8, and a slide door body 2 which is opened and closed by being slid along the rail 8. The slider 10 comprised several rollers 26 made into rolling contact with a lifting hook 9 for supporting the door body 2 and also made, at the lower side thereof with the rail 8, into rolling contact with the rail 8, and a holder 25 rotatably holding the several roolers 26, for arranging the several rollers 26 in order.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single sliding door used for, for example, a house.

[0002]

2. Description of the Related Art In a single-sliding sliding door that is suspended above, a sliding door body is opened and closed while being suspended by a guide rail provided on an upper frame. At the upper end of the sliding door body, a door roller is attached via two hanging brackets at the front and rear, and the two door rollers roll on guide rails so that the sliding door body can be smoothly opened and closed. ing.

[0003]

In such a conventional sliding door, when a sliding door body such as an entrance sliding door is heavy, a large vertical load is applied to the axis of the door roller.
The friction of the rotating part increased, and a large force was required to open and close the sliding door body. That is, the opening and closing of the sliding door main body is heavy.

An object of the present invention is to provide a sliding door whose sliding door body can be opened and closed with a relatively small force.

[0005]

A sliding door according to the present invention comprises a rail provided on an upper frame or a lower frame, a slider housed in the rail, and a sliding door body which is opened and closed by sliding along the rail via the slider. The slider has a number of rotors that are in contact with the support member that supports the sliding door body on the upper side and are in contact with the rail on the lower side, and that the plurality of rotors are aligned in the extending direction of the rail and are rotatable. And a holder for holding.

[0006] According to this structure, the plurality of rotors aligned and held by the holder are in contact with the support member of the sliding door body on the upper side and on the rails on the lower side. The rotor that rolls on the rotor and thereby obtains the rotational force rolls on the rail together with the holder.
That is, rolling friction occurs between the support member and the rotor, and rolling friction also occurs between the rotor and the rail. Moreover, the load of the sliding door body is directly applied to the rail via the rotor. For this reason, the frictional resistance becomes extremely small, and the sliding door body can be opened and closed with an extremely small force. In addition, as a rotor, a roller (roller) and a ball (ball) are preferable.

Further, the length of the slider in the sliding direction is approximately one half of the moving distance in opening and closing the sliding door body.
Is preferably formed.

As described above, when the sliding door body is opened and closed,
The support member rolls on the rotor, whereby the rotor having obtained the rotational force rolls on the rail together with the holder. That is, the rotor also moves with the movement of the support member, and the movement distance of the rotor is always １ ／ of the movement distance of the support member.
Therefore, the length of the slider in the sliding direction is
If the length of the sliding door is approximately の of the moving distance in opening and closing, the entire surface of the slider can be used as a sliding surface without waste, and the slider and the rail can be reduced to the necessary minimum length.

The length of the slider in the sliding direction is formed to be somewhat longer than 1/2 of the moving distance of the opening and closing of the sliding door main body. It is preferable to provide a pair of stoppers that regulate the width to 1/2.

[0010] As described above, if the length of the slider is set to approximately one half of the moving distance of the sliding door main body, the support member moves from one end of the slider to the other end during opening and closing. Become. However, if the slider is formed to be somewhat longer than the above-mentioned half and a stopper is provided on the rail side to restrict the moving distance of the slider to half of the moving distance of the sliding door body, the sliding door body can be opened and closed. Then, in a state where the sliding door main body is not completely opened and closed, the slider hits the stopper. For this reason, the support member slides on the slider from the state where the slider abuts the stopper to the time when the sliding door body is completely opened and closed. That is, the support members try to rotate the rotor, while the rails try to prevent the rotor from rotating. Therefore, immediately before the complete opening and closing, a large frictional force acts between the support member and the rail, and the sliding door body is braked. This can prevent the sliding door main body from opening and closing vigorously to open and close, and from rebounding when hitting a door stop.

In addition, a length of the slider in the sliding direction is formed to be slightly shorter than 1/2 of a moving distance in opening and closing of the sliding door main body, and a pair of outer ends of the slider for preventing the support member from falling off. Is preferably provided.

As described above, if the length of the slider is set to approximately half the moving distance of the sliding door body, the support member moves from one end of the slider to the other end when opening and closing. Become. However, if the slider is formed to be slightly shorter than the above-mentioned half and the abutting pieces are provided at both outer ends of the slider, when the sliding door body is opened and closed, the sliding door body is not completely opened and closed. The support member abuts against the abutment piece of the slider. For this reason, the support member drags the slider from the state where the support member abuts against the abutting piece until the sliding door body is completely opened and closed. That is, the support members try to prevent rotation of the rotor, while the rails try to rotate the rotor. Therefore, immediately before the complete opening and closing, a large frictional force acts between the support member and the rail, and the sliding door body is braked.

Furthermore, it is preferable that the rotor is a roller.

The rollers are directional and facilitate rolling with respect to the support members and rails.

It is preferable that the roller is rotatably held by a holder on its outer peripheral surface.

That is, the roller is not held by the holder via the shaft, but is held by the outer peripheral surface thereof. That is, the roller functions as a simple "roller" without a shaft.
For this reason, the structure of the slider can be simplified and the structure can be made hard to be broken, and the durability can be improved at low cost.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A sliding door according to an embodiment of the present invention will be described below with reference to the accompanying drawings. FIG.
As shown in FIG. 1, the sliding door 1 is a single sliding door of a so-called hanging type, and includes a single sliding door main body 2 and a frame 3 provided at an opening. An accommodating portion Wa for accommodating the opened sliding door main body 2 is formed on the partition wall W at the opening where the sliding door 1 is installed, and the fully opened sliding door main body 2 is formed.
Are hidden in the partition wall W except for the end on the handle 4 side. The frame 3 is composed of an upper frame 5, a lower frame 6, and both vertical frames 7, 7, a half of which is concealed in the accommodation portion Wa, and the lower frame 6 is substantially flush with the floor F. It is arranged in one.

As shown in FIGS. 1 and 2, a guide rail 8 for guiding the opening and closing of the sliding door main body 2 is fixed downward on the lower surface of the upper frame 5, and the sliding door main body 2 has a pair of front and rear (opening and closing directions). The guide rail 8 is suspended from suspension fittings (support members) 9, 9. A pair of left and right (inward and outward) pairs of sliders 10, 10 are movably accommodated in the guide rail 8 corresponding to the respective hanging brackets 9, and the two pairs of hanging brackets 9, 9 are provided. Slider 10,
Each of the guide rails 10 moves within the guide rail 8.

On the upper surface of the lower frame 5, a lower guide 11 for guiding the opening and closing of the sliding door main body 2 and a roller guide 12 in front of the lower guide 11 are provided. On the other hand, the lower guide 11 and the roller guide 12
Are formed, and the lower guide 11 and the roller guide 12 prevent the sliding door main body 2 suspended on the guide rail 8 from wobbling. In addition,
The lower guide 11 is exposed in the housing portion Wa when the sliding door main body 2 is closed, but the roller guide 12 is located on the door tip side when the sliding door main body 2 is opened, and is positioned on the door butt side when the sliding door main body 2 is closed. And it always engages with the sliding door main body 2 and guides it.

As described above, the hanging metal members 9 are attached to the upper end surface of the sliding door main body 2 at the front and rear ends thereof, and each of the hanging metal members 9 is a receiving member fixed to the sliding door main body 2. 14, a box-shaped member 15 mounted on the receiving member 14, and an engaging member 16 slidably engaged with the guide rail 8 side. The receiving member 14 is embedded in a corner of the sliding door main body 2, and as shown in FIG. 3, in a state where a fixing piece 17 for fixing the box-shaped member 15 is erected therein, a substantially “U” -shaped cross section is formed. Is formed. The box-shaped member 15 is screwed to each receiving member 14 after being mounted from the door end side or the door end side. Also,
As shown in FIG. 4, a nut 19 into which the bolt 18 of the engaging member 16 is screwed is incorporated inside the box-shaped member 15. The engaging member 16 is connected to the member 15 and the height of the sliding door main body 2 can be adjusted.

As shown in FIG. 5, the engaging member 16 is formed into a T-shaped cross section by an upper horizontal plate portion 20 and a lower guide projection portion 21. A pair of front and rear guide rollers 22 rotating around a vertical axis
Is attached. In this case, the horizontal plate portion 20 is brought into rolling contact with the pair of left and right sliders 10,
The guide rails 2 and 22 contact the guide rail 8 to guide the horizontal plate 20 to the sliders 10 and 10. A bolt 18 is attached to the center of the engaging member 16 so as to penetrate the horizontal plate portion 20 and the guide protrusion 21 up and down.
To screw. The engaging member 16 is mounted on the pair of left and right sliders 10, 10, and moves in the front and rear directions in the guide rail 8 via the sliders 10, as the sliding door body 2 opens and closes.

The guide rail 8 is formed by bending a plate material into a substantially "C" shape in a cross-sectional direction, and further folding the bent end thereof inward. And guide walls 24 on the left and right between the bent ends. Each guide groove 23 guides the movement of the slider 10 and is formed slightly wider than the slider 10. The two guide walls 24 guide the guide protrusion 21 of the engaging member 16.
The guide projection 21 is formed slightly wider than the diameter of the guide roller 22.

As shown in FIG. 6, each slider 10 has a holder 25 comprising an upper holder 25a and a lower holder 25b.
And a number of rollers 2 rotatably held by a holder 25
6. Upper holder 25a and lower holder 2
5b are each formed in a band shape with resin or the like. A number of lower roller housings 27 for housing the rollers 26 are formed at equal intervals on the lower holder 25b, and locking projections 28 for locking the upper holder 25a are formed between the lower roller housings 27. Have been. Correspondingly, the upper holder 2
5a, a number of upper roller housing portions 29 for housing the rollers 26 are formed at equal intervals, and each upper roller housing portion 29
A locking hole 30 corresponding to the locking projection 28 of the lower holder 25b is formed therebetween. The locking projection 28 and the locking hole 3
0 are formed with annular retaining portions 28a and 30a which are retained in a mutually retaining state.
When the roller 26 is accommodated between the lower roller accommodating portion 27 of the upper holder 25a and the upper roller accommodating portion 29 of the upper holder 25a, the engaging protrusion 28 is fitted into the engaging hole 30 so that the slider 1
0 can be assembled.

At both front and rear ends of the holder 25, abutment pieces 31 are attached (see FIG. 2).
Each of the abutting pieces 31 is formed in an “L” shape, and one of the pieces protrudes significantly above the holder 25 to prevent the engaging member (the hanging metal 9) 16 from falling off the slider 10. (Details will be described later).

The roller 26 is a so-called "roller" formed of a resin or the like in a cylindrical shape, and includes a lower roller accommodating portion 27 of the lower holder 25b and an upper roller accommodating portion 29 of the upper holder 25a.
And is rotatably held in the accommodation space constituted by.
When the roller 26 is incorporated in the holder 25, the upper side of the roller 26 protrudes from the upper surface of the upper holder 25a, and the lower side protrudes from the lower surface of the lower holder 25b. That is, the above-mentioned hanging fitting 9 is rolled on the upper side of the slider 10, and the slider 10 itself is connected to the guide groove 2 of the guide rail 8.
3 For this reason, when the sliding door body 2 is opened and closed, the hanging fitting 9 rolls on the slider 10 and the slider 1
0 rolls on the guide rail 8.

FIG. 7 shows the movement of the hanging fitting 9 (sliding door main body 2).
And the movement of the slider 10. As described above, when the hanging metal 9 rolls on the slider 10, the slider 10 rolls on the guide rail 8. Therefore, the moving distance of the slider 10 is 1 / the moving distance of the hanging metal 9. The distance is 2. For this reason,
As shown in the figure, when the hanging fitting 9 is moved by a distance A in order to completely open the sliding door main body 2, the slider 10 moves by a distance A / 2. Therefore, in order to prevent the hanging fitting 9 from falling off, the length of the slider 10 must be at least approximately 移動 of the moving distance when the sliding door body 2 is opened and closed.
(FIG. 6A). However, with such a configuration, the opening and closing of the sliding door main body 2 is extremely smooth, and when the sliding door main body 2 is heavy, for example, an obstacle such as the opening of the opened sliding door main body 2 hitting the vertical frame 7 and rebounding occurs.

Therefore, as shown in FIG. 1B, in the slider 10 of the embodiment, the length is formed to be slightly shorter than a half of the moving distance in opening and closing the sliding door main body 2, and at both ends thereof. Butt pieces 31, 31 are attached. That is, at the final stage of opening and closing of the sliding door body 2, the engaging member 16 of the hanging metal 9 is brought into contact with the abutting piece 31 of the slider 10, and from this contacted state to complete opening or complete closing, The hanging metal 9 is moved by dragging the slider 10. Thereby, the sliding door main body 2 is braked at the final stage of opening and closing, and is prevented from hitting the vertical frame 7 and rebounding.

Incidentally, such a braking means is shown in FIG.
As described above, the slider 10 can be formed by forming the length of the slider 10 to be somewhat longer than a half of the moving distance of the sliding door main body 2 and providing the guide rail 8 with the stopper 32. In this case, the front side stopper 32 is also used by the vertical frame 7, and the distance between both stoppers 32, 32 is の of the moving distance of the sliding door main body 2. This allows
At the final stage of opening and closing the sliding door body 2, the slider 10 abuts the stopper 32, and the hanging metal 9 rubs against the slider 10 and moves from this abutting state to complete opening or closing. Of course, a spring or the like that slides on the slider 10 or the suspension fitting 9 may be used as the braking means.

As described above, according to the present embodiment, the hanging metal fitting 9 for hanging the sliding door main body 2 rolls on the slider 10 and the slider 10 rolls on the guide rail 8.
Since the sliding door main body 2 is opened and closed, the sliding door main body 2 can be opened and closed with an extremely small force.
In addition, since the braking means is configured by using the slider 10, the movement of the sliding door body 2 that is smoothly opened and closed can be appropriately braked, and the sliding door body 2 can be prevented from bouncing.

In the above embodiment, the case where the present invention is applied to a single sliding door is described. However, the present invention is also applicable to a double sliding door. Further, by installing the guide rail and the slider on the lower frame side, the present invention can be applied to a normal sliding door that supports the sliding door body on the lower side. Further, in the slider, a ball may be used instead of the roller.

[0031]

As described above, according to the sliding door of the present invention,
A number of rotors roll on the upper side to the support member of the sliding door body,
Since the lower side is in contact with the rail, the frictional resistance associated with opening and closing the sliding door body is extremely small, and the sliding door body can be opened and closed with an extremely small force. Therefore, even an elderly person, an infant, and a disabled person using a wheelchair can easily open and close.

[Brief description of the drawings]

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

FIG. 2 is an exploded perspective view around a guide rail of the sliding door according to the embodiment.

FIG. 3 is a structural view of a receiving member of a hanging metal fitting of the sliding door.

FIG. 4 is a structural view of a box-shaped member in a hanging metal fitting of a sliding door.

FIG. 5 is a structural view of an engaging member in a hanging metal fitting of the sliding door.

FIG. 6 is a partially enlarged sectional view of a slider of a sliding door.

FIG. 7 is a movement explanatory diagram showing a relationship between a hanging bracket of a sliding door and a slider.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sliding door 2 Sliding door main body 3 Frame 5 Upper frame 8 Guide rail 9 Suspension fitting 10 Slider 16 Engagement member 23 Guide groove 25 Holder 26 Roller 31 Abutment piece 32 Stopper

Claims (6)

[Claims] 1. A rail provided on an upper frame or a lower frame, a slider housed in the rail, and a sliding door main body which is opened and closed by sliding along the rail via the slider. A plurality of rotors which are in contact with the support member for supporting the sliding door body on the upper side and which are in contact with the rails on the lower side, and which are aligned in the extending direction of the rails and rotatably held. A sliding door comprising a holder. 2. The sliding door according to claim 1, wherein a length of the slider in a sliding direction is formed to be substantially a half of a moving distance when the sliding door body is opened and closed. 3. The sliding door has a length in the sliding direction which is slightly longer than a half of a moving distance in opening and closing the sliding door main body, and a moving distance of the slider on the rail side. The sliding door according to claim 1, further comprising a pair of stoppers that regulate the movement distance of the opening and closing of the sliding door to half. 4. The slider according to claim 1, wherein a length of the slider in a sliding direction is formed to be slightly shorter than a half of a moving distance in opening and closing of the sliding door main body. The sliding door according to claim 1, wherein a pair of abutting pieces for preventing the sliding door are provided. 5. The sliding door according to claim 1, wherein said rotor is a roller. 6. The sliding door according to claim 5, wherein said roller is rotatably held by said holder on an outer peripheral surface thereof.