JP2013112952A - Sliding door apparatus making sliding door closed at constant speed - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sliding door apparatus which has a sash hanger attached to an upper end of a sliding door, which makes the sliding door opened/closed in the state of being suspended from an upper rail via the sash hanger, and which enables not only a disabled aged person and a physically handicapped person but also everyone to pass through a frontage at ease.SOLUTION: A sliding door apparatus includes a self-closing device 6 capable of self-closing a sliding door 1 pushed open by hand. The sliding door apparatus also includes braking means which enables the sliding door to travel at an almost constant speed from the start of closing and close itself, when the sliding door 1 pushed open by hand is closed.

Description

  The present invention relates to a sliding door device that can open a sliding door and pass through a front door (entrance / exit) with peace of mind, even for a healthy person as well as a disabled person and a disabled person.

  FIG. 5 is an external view of a sliding door device that has been used conventionally, and the sliding door (A) can run while being suspended from the upper rail (B), and can open and close the doorway (frontage). And there is a door pocket (c) that fits when the sliding door (a) opens, and an inspection panel for covering the upper rail (b) and the suspension vehicle that runs on the upper rail (b) is located above the door pocket from the entrance. (This figure shows the inspection panel removed). The sliding door device shown in the figure has a self-closing device (d) with a built-in spring for this purpose.

  The sliding door (I) can be closed by being pulled by the spring spring that has been rewound together with the sliding door (I) pushed open by hand. At this time, the braking device (e) is attached so that the sliding door (A) is not closed with an impact by being pulled by the self-closing device (d). That is, the sliding door (A) hits the tip of the piston rod (F) from which the braking device (E) extends, and can be quietly closed. Furthermore, in order to temporarily stop the fully opened sliding door (A), a fully opened stopper (G) to be locked to the suspension wheel is attached.

  On the other hand, in the semi-automatic sliding door device, the upper rail (b) is slightly inclined without using the self-closing device (d) incorporating the spring spring, and the sliding door (b) suspended from the upper rail (b) is provided. It can also be configured to be closed by its own weight, and recently, this type of semi-automatic sliding door device is widely used. A braking device is attached to alleviate the impact when the sliding door (A) is closed, and a fully open stopper is provided so that the door is not closed by itself when it is opened.

  In this way, the sliding door pushed open by hand can be automatically closed, and a braking device is provided so as not to cause an impact when closing. Although this braking device is a kind of damper composed of an air cylinder, a braking device using an oil rotary pump is also known. For example, a “self-closing sliding door braking device” according to Japanese Utility Model Publication No. 7-44707 is provided on the upper part of the sliding door body of the self-closing sliding door, and is mounted on a traveling wheel that is movably mounted on a rail. A braking body having a rotary pump provided adjacently and connected to a traveling wheel via a gear train, an endless closed flow path incorporating the rotary pump formed in the brake body, and an endless closed seal A bypass flow path that is divided into the flow paths, a check valve that is provided in the bypass flow path and restricts the oil flow when the sliding door body moves in the closing direction, and is provided in the closed flow path relative to the rotary pump. Consists of a flow control valve.

  That is, the main gear is attached to the rotary pump, the slave gear is coaxially fixed to the traveling wheel that rolls the race, and the master gear and the slave gear mesh with each other. Therefore, when the sliding door travels in the closing direction, the main gear also rotates if the gear following the gear train (rack) attached at a predetermined position before the closing meshes and rotates, and the main gear rotates as the main gear rotates. The pump is activated and the closing speed of the sliding door is suppressed. That is, it can be closed slowly without impact. Although the structure of the self-closing sliding door braking device is different, it is functionally the same as the air cylinder type damper attached to the sliding door device shown in FIG.

  By the way, when the sliding door is pushed open and passed through the frontage (entrance / exit), the opened sliding door is closed by a self-closing device, or when the upper rail is inclined, the sliding door is closed by its own weight. At this time, elderly people with physical disabilities or disabled people, and those with relatively slow walking speed, such as pregnant women and women with children, take time to pass through the frontage, and the sliding door that has been pushed open once closes Fear of fear by approaching at a high speed in the direction. Sometimes it collides with a sliding door that closes and falls, especially if it is an elderly person or a disabled person.

Of course, the pushed-out sliding door can be locked to the stopper so as not to close, but this stopper can be stopped only when fully opened, and the sliding door immediately starts moving in the closing direction unless fully opened. Especially for people with physical disabilities, it requires a certain amount of force to push open until the sliding door is fully opened, so it is not easy for a person without power, and when it is pushed open and fully opened, the sliding door is removed from the stopper. The same applies to the force for releasing and closing.
"Self-closing sliding door braking device" according to No. 7-44707

  As described above, the conventional sliding door device has the above-described problems. The problem to be solved by the present invention is this problem. Sliding doors can be used not only for the elderly and physically handicapped, but also for everyone to pass through the entrance (entrance) with peace of mind. Provided is a sliding door apparatus controlled to close slowly and at a substantially constant speed.

  The sliding door device according to the present invention is a semi-automatic sliding door device that can be pushed open by hand and closed by itself. The sliding door is suspended from an upper rail attached to the upper portion of the frontage (entrance / exit), and the sliding door can be opened and closed by rolling the wheel of a suspension vehicle attached to the upper end of the sliding door on the upper rail. Here, as the self-closing means for closing the opened sliding door alone, the sliding door can be pulled when the upper rail is inclined or by a spring.

  In the sliding door device of the present invention, the sliding door is closed from the opened state, but the closing speed is controlled to be slow and almost constant. That is, a braking means is provided that makes the sliding door closing speed constant at a low speed. However, the sliding door does not mitigate the impact when closing by suppressing the closing speed just before closing, but is slowly closed at a low speed from the beginning of closing, and is braked so as to become a substantially constant speed.

  When the sliding door travels on the inclined upper rail and closes, the speed gradually increases, and when the sliding door is pulled by the mainspring, the closing speed gradually increases. The present invention is configured not to be affected by such a self-closing means but to be able to travel to a constant speed from the beginning of closing and to suppress the speed, and of course, the impact at the time of closing is mitigated. Therefore, the braking means is long so that the sliding door operates from the fully opened state to the closed state.

  Since the sliding door of the present invention has a slow closing speed, it can be opened by pushing it open by hand even for elderly people with physical disabilities, disabled people, pregnant women and women with children, etc. You can pass through (entrance / exit) with confidence. Moreover, even if the sliding door does not pass completely through the frontage (entrance / exit) and the sliding door collides with the body while passing through the frontage, the closing speed is low, so the body is not pushed down by the sliding door. . And since a sliding door closes slowly, even if it takes time for a person to go in and out of a frontage (entrance / exit), it can go in and out without fear about the closing speed of a sliding door. That is, not only elderly people with physical disabilities and disabled people but also all people can use it conveniently and comfortably, so it is possible to improve the universal design performance.

The sliding door apparatus which concerns on this invention WHEREIN: The Example provided with the self-closing means and the braking means. A specific example of a braking means combining a rack and a rotary damper. The cross-sectional view of the sliding door apparatus of this invention. The longitudinal cross-sectional view of the sliding door apparatus of this invention. Conventional sliding door device.

  FIG. 1 shows an embodiment of a sliding door device according to the present invention. In the figure, 1 is a sliding door, 2 is an upper rail, 3 is a suspension wheel, 4 is a rack, 5 is a rotary damper, and 6 is a self-closing device. Suspension wheels 3 and 3 are attached to both sides of the upper end of the sliding door 1, and the wheels 7 and 7 pivotally supported on the suspension wheels 3 and 3 can roll on the upper rail 2, and the sliding door 1 opens and closes the frontage. To do.

  The self-closing device 6 accommodates a spring, and the roller is rotated by the spring, the wire wound around the roller is extended, and the tip is connected to the suspension wheel 3. Accordingly, the sliding door 1 pushed open by hand can be closed by being pulled by the mainspring. By the way, the speed of the sliding door 1 pulled by the mainspring is gradually increased, and the sliding door 1 is closed before a person whose walking motion is slow passes through the entrance (entrance).

  Therefore, the present invention includes a braking means. That is, the braking means can be controlled so that the sliding door 1 can be closed at a low speed and at a substantially constant speed without being influenced by the pulling force of the mainspring. A rack 4 is provided in parallel with the upper rail 2 on which the sliding door 1 is suspended, and a rotary damper 5 is attached to the suspension wheel 3, and a gear of the rotary damper 5 is engaged with the rack 4. When the gear of the rotary damper 5 rotates slowly, the closing speed of the sliding door 1 becomes low, so that it can pass through the frontage 8 with peace of mind for the elderly, physically handicapped and other people who are physically disabled. .

  FIG. 2 shows a case where the gear 9 of the rotary damper 5 is engaged with the rack 4. Although the specific structure of the rotary damper 5 is not limited, a rotor is accommodated in the main body case 10, and silicon oil is interposed between the main body case 10 and the rotor. The gear 9 is attached to the shaft of the rotor, but the rotational speed can be suppressed by using a braking force (braking force) generated by the viscous resistance of silicon oil. Further, even when the viscosity resistance of the silicone oil changes with the temperature change due to the use environment, the braking force can be adjusted so as not to change. For example, it can be set as the structure which can adjust the clearance gap between the main body case 10 and a rotor. Of course, it is also possible to use a rotary pump provided in a “self-closing door braking device” according to Japanese Utility Model Publication No. 7-44707.

  By the way, the braking means attached to the sliding door device of the present invention is not a damper for the purpose of suppressing an impact when the sliding door hits and stops when the sliding door closes. The pushed-out sliding door 1 is prevented from being accelerated and accelerated by the self-closing device, that is, it can be closed slowly from the pushed-out position at a substantially constant speed. For this reason, the rack 4 with which the gear 9 of the rotary damper 5 is engaged becomes longer and extends to the suspension wheel 3 on the door end side so that the gear 9 is engaged with the sliding door 1 fully opened. However, it is possible to attach the rotary damper 5 to the upper end of the door. In this case, the rack 4 extends at least to the door.

  Further, as another braking means, if a friction plate is provided along the upper rail 2 and a slider attached to the sliding door 1 is moved in contact with the friction plate, the closing speed of the sliding door 1 is suppressed. I can do it. It is possible to adjust the contact pressure at which the slider contacts the friction plate to control the closing speed.

  FIG. 3 is a cross-sectional view of the sliding door device, and FIG. 4 is a vertical cross-sectional view of the front portion of the sliding door device. The basic structure of the sliding door device is the same as that of the conventional sliding door device. When the sliding door 1 moves backward and the front door 8 opens, the sliding door 1 is accommodated in the door pocket 11, and when the front door 8 closes and moves forward, the sliding door 1 comes out of the door pocket 11 and the door tip 12 is 13 per door. Abut. Since the sliding door 1 is slowly closed by the gear 9 of the rotary damper 5 meshing with the rack 4, it is not necessary to provide an air damper as in the prior art, and the door end 12 hits the door stop 13 without impact, and the sliding door 1 Can be closed quietly.

  As shown in FIG. 4, suspension vehicles 3 and 3 are attached to the upper end of the sliding door 1, and the wheel 7 of the suspension vehicle 3 can roll on the upper rail 2. A handle 14 is attached to the sliding door 1, and the sliding door 1 can be pushed open by placing a hand on the handle 14. At this time, when the sliding door 1 is pushed open, for example, a one-way clutch can be incorporated so that the rotary damper 5 does not operate. A guide groove 15 is provided along the lower end of the sliding door 1, and the guide 17 erected from the floor surface 16 is fitted into the guide groove 15, so that the sliding door 1 can run without rolling.

  In the case of the sliding door device shown in FIGS. 3 and 4, the sliding door 1 is accommodated in the door pocket 11 as long as the frontage is opened. However, the sliding door 1 may be attached to the outside of the door pocket 11. The appearance form of is not questioned. However, the sliding door engages with the gear of the rotary damper and the rack so as to close slowly.

  By the way, in the case of the sliding door device shown in FIG. 1, the rack 4 is provided in parallel with the upper rail 2, and the rotary damper 5 having the gear 9 meshing with the rack 4 is attached. A structure is also possible. In this case, another gear is concentrically combined with the wheel of the suspension vehicle 3 of the sliding door 1, and the rotary damper 5 is attached to the suspension vehicle 3 and the gear 9 is engaged with the gear attached to the wheel. I can do it. Therefore, the brake acts directly on the rotation of the wheel of the suspension wheel 3 and the closing speed of the sliding door 1 is suppressed.

DESCRIPTION OF SYMBOLS 1 Sliding door 2 Upper rail 3 Suspension vehicle 4 Rack 5 Rotary damper 6 Self-closing device 7 Wheel 8 Frontage 9 Gear
10 Main unit case
11 door pocket
12 door
13 per house
14 Handle
15 Guide groove
16 Floor
17 Guide

Claims (7)

A sliding door device is attached to the upper end of the sliding door and is opened and closed by being hung on the upper rail via the suspension wheel, and includes a self-closing means that allows the sliding door that is pushed open by hand to be closed by itself. A sliding door device for closing a sliding door at a constant speed, comprising braking means capable of running and closing at a substantially constant speed from the beginning of closing when the opened sliding door is closed. 2. The sliding door device according to claim 1, wherein the sliding door closes at a constant speed by pulling back the wire extending from the roller by the spring force of the spring spring as the self-closing means. The sliding door device that closes the sliding door at a constant speed according to claim 1, wherein the upper rail is inclined toward the door end as the self-closing means. As the braking means, a rack is provided along the upper rail, a rotary damper is attached to the upper end side of the sliding door, and a gear attached to the shaft of the rotary damper is meshed with the rack. The sliding door device that closes at a constant speed according to claim 1, claim 2, or claim 3, wherein the sliding door extends at least to the door tip in a fully opened state. As the braking means, a friction plate is extended along the upper rail, a slider is attached to the upper end side of the sliding door, the slider is brought into contact with the friction plate, and the rack extends at least to the door tip with the sliding door fully opened. The sliding door device that closes the sliding door at a constant speed according to claim 1, claim 2, or claim 3. As the braking means, a rotary damper is attached to the suspension vehicle of the sliding door, and a gear attached to the shaft of the rotary damper is meshed with a gear mounted concentrically with the wheel of the suspension vehicle. Or the sliding door apparatus which a sliding door closes at the fixed speed of Claim 3. The sliding door device according to claim 1, wherein a speed adjusting mechanism according to a temperature change is attached to the braking means, and the sliding door closes at a constant speed.

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