KR101116148B1 - Sliding door apparatus for toilet entrance of railway vehicle - Google Patents

Abstract

PURPOSE: A sliding door device for a bathroom entrance of a railway vehicle is provided to stably guide the reciprocating motion of a door without installation of a rail and to implement automatic closing of the door. CONSTITUTION: A sliding door device for a bathroom entrance of a railway vehicle comprises a door(200), a rail part(300), a plurality of rollers(400), and a guide unit(500). The door is accommodated in a housing part provided on the side of an entrance to open the entrance or drawn out toward the entrance from the housing part to close the entrance. The rail part is fixed between the top of the entrance and the top of the housing part. The rollers are fixed to the top of the door and roll along the rail part to guide the reciprocating motion of the door from the top. The guide unit, comprising an upper rail, a lower rail, a center rail, and a plurality of rolling bodies, guides the reciprocating motion of door from the bottom.

Description

Sliding door apparatus for toilet entrance of railway vehicle

The present invention relates to a sliding door device for a bathroom entrance of a railroad car, and more particularly, it is easy to pass such as a toilet user and a wheelchair, and has a high durability, and the door closing operation can be automatically realized and The present invention relates to a sliding door device for a bathroom entrance of a railway vehicle, which can prevent unexpected quick opening and closing and selectively fix the door in a completely open state.

In general, a railroad car that runs continuously for a few hours to several tens of hours is provided with a toilet for solving toilets for the convenience of passengers.

The doorway of the railroad car toilet is provided with a door device for opening and closing the doorway so that the toilet users can enter or limit the access of other toilet users.

As shown in FIG. 1, the conventional door of the toilet doorway of a railway vehicle, the first door 20 and the first door 20 are installed as the pivot shaft 21 so that one end can be rotated at one end of the doorway 10. The second door 30 provided by the connecting shaft 31 so as to be rotated at the other end of the door 20, and the upper and lower sides of the doorway 10 is installed to transfer the first and second doors 20 and 30. Consists of the upper rail 40 and the lower rail 50 to guide.

Long grooves are formed in the upper and lower rails 40 and 50, respectively, and the guide pins 32 provided at the upper and lower ends of the second door 30 are accommodated in the long grooves. When the first and second doors 20 and 30 are transported to open and close the doorway 10, the first and second doors 20 and 30 are reciprocated along the long grooves to guide the reciprocation of the first and second doors 20 and 30.

In the conventional doorway device for the doorway of the toilet of the railway vehicle, when the toilet users pull the handle 33 provided in the second door 30 at the same time to the first door 20 side, as shown in Figure 2, As the rotation shaft 21 and the connecting shaft 31 are rotated, the first and second doors 20 and 40 are operated while the front and rear surfaces thereof are folded to face each other, and the doorway 10 is opened.

When closing the first and second doors 20 and 40, the handle 33 should be pulled and pushed in a similar manner as described above.

The door entrance doors for toilets of railroad cars in which the first and second doors 20 and 30 are rotated are widely used in foreign countries such as Europe, and are unfamiliar to domestic passengers who are familiar with sliding methods. There is a problem in that it is inconvenient to use because it must be performed simultaneously while pushing.

In addition, since the lower rail 50 is provided on the bottom surface of the doorway 10 to guide the reciprocation of the first and second doors 20 and 30, the lower rail 50 is a toilet. When the user enters the toilet, there is a disadvantage that acts as a kind of obstacle to inconvenience the entry. This drawback is especially significant for people with disabilities using wheelchairs or crutches.

In addition, since the door apparatus for the toilet entrance and exit of the conventional railway vehicle cannot fix the positions of the first and second doors 20 and 30 in the state in which the entrance 10 is opened to the maximum, the acceleration according to the operation of the railway vehicle There is a disadvantage that the first and second doors 20 and 30 may be transferred unexpectedly.

On the other hand, in recent years, the railroad realized by the sliding method familiar to domestic passengers, recognizing the inconvenient operability of the door device for the doorway of the toilet of the railway vehicle of the first and second doors 20, 30 as described above is rotated Although a sliding door device for a bathroom entrance of a vehicle has been attempted, such a sliding door device also requires a rail to guide the reciprocation of the door to the bottom of the entrance, so that a toilet user can use this rail as an obstacle. There is a limit that does not change the discomfort received when entering the toilet.

In addition, such a sliding door device has a disadvantage that the door is opened and closed unexpectedly at high speed by the acceleration when the railway vehicle decelerates or accelerates unless the door is fixed or gripped well. In this case, there is a risk that the toilet users may be injured by unexpected opening and closing of the door.

In order to solve the problems as described above, the present invention can stably guide the reciprocating transfer of the door even if the separate floor that prevents the passage of the toilet user and wheelchair, etc. on the bottom surface of the doorway, the door is closed To provide a sliding door device for the entrance of the toilet of the railway vehicle that can automatically implement the operation.

In order to solve the above problems, the sliding door device for the bathroom entrance of the railway vehicle according to the present invention is accommodated in the receiving area provided on the side of the entrance of the toilet to open the doorway or from the receiving area to the doorway side. A door which is drawn and reciprocated to close the entrance; A rail unit fixedly installed from an upper side of the entrance to an upper side of the receiving area; A plurality of rollers fixed to an upper end of the door and provided to move along the rails to guide the reciprocation of the door from above; And guide means for guiding the reciprocating conveyance of the door from below, wherein the guide means includes: an upper rail installed on a lower surface of the door, a lower rail fixed to a bottom surface of the receiving area, and an upper rail; The first rail to be installed and the second rail to which the lower rail is installed are respectively formed on the upper and lower sides of the center rail and the upper and lower rails, respectively, so as to move in rolling motion with respect to the upper and lower rails, respectively. It includes a plurality of first and second cloud body rotatably provided.

The upper rail and the lower rail are provided to surround both sides of the first and second rails of the center rail, and the plurality of first and second clouds are formed of the upper rail and the lower rail. It may be provided on both sides of the first and second rails so as to be in contact contact rotation with the inner peripheral surface, respectively.

The upper rail and the lower rail are shaped to surround part of the outer circumferential surface of the plurality of first and second clouds so as to prevent the plurality of first and second clouds from being separated from each other. The receiving cabinet grooves may be formed respectively.

The first and second clouds are formed on a plurality of first and second fixing brackets fixed to the first and second rails so as to cover both side surfaces of the first and second rails. 2 may be provided so as not to be separated by being in contact with the inner peripheral surface of the upper rail and the lower rail, respectively accommodated in the receiving hole.

The first and second rails may be formed in the first and second long grooves along the longitudinal direction of the first and second rails so as to surround part of the outer circumferential surface of the plurality of first and second clouds.

The sliding door device for the bathroom entrance of the railroad car is installed at the entrance side end of the rail part, and applies the elastic force of the coil spring wound therein to the wire fixed to the upper end of the door, thereby closing the entrance. A driving unit which transfers the door to be possible; One end is fixed to the rail portion and the other end is fixed to the upper end of the door, the buffer portion for adjusting the transfer speed of the door to be transferred to close the doorway by the drive unit, attenuating the impact of closing the doorway; And an elastic plate provided at the end portion of the accommodating area side of the rail part and having a protrusion protruding downward, so that the protrusion protrudes at the top of the door when the door is fully open. By interlocking and locking the engaging portion while interfering with the portion, the fixing portion for attenuating the shock when fully opened and fixing the door in a fully open state; may further include a.

According to the sliding door device for the bathroom entrance of the railroad car of the present invention, the toilet door of the railroad car is implemented in a sliding type of sliding type familiar to users, and the opening and closing thereof is convenient, and the lower rail is fixed to the bottom surface of the receiving area. The guide rail is provided to guide the reciprocating movement of the door while the upper rail and the center rail installed with the door slide toward the entrance side with respect to the lower rail due to the plurality of first and second cloud bodies. Since a separate rail for reciprocating transfer of the door is not formed, the bottom surface of the doorway is clean without obstacles, so it is very easy for a toilet user and a wheelchair to pass.

Here, the upper and lower rails are provided in the form of enclosing both sides of the first and second rails of the center rail, and the upper and lower rails are enclosed on one side of the outer circumferential surface of the plurality of first and second clouds. Two receiving grooves are formed respectively, and the first and second rails are formed to surround the other side of the outer circumferential surface of the plurality of first and second cloud bodies, and the first and second long grooves are respectively formed. The guide means is provided with high durability by being accommodated in the first and second accommodation holes formed in the first and second fixing brackets fixed to cover both side surfaces of the first and second rails so as not to be separated.

Accordingly, the guide means does not easily break down despite repeated door opening and closing, and thus does not require much labor and cost for its maintenance.

On the other hand, a part of the outer circumferential surface of the plurality of first and second clouds is inserted into the first and second long grooves formed in the first and second rails of the center rail so that the guide means can be compactly reduced in volume. Because it is implemented, it can be installed in a compact size in a narrow space between the door and the bottom surface.

And the driving unit for applying a pulling force through the wire to automatically close the door can be implemented automatically the closing operation of the door.

In addition, a shock absorber and a shock absorbing member are provided to prevent the sudden transfer of the door due to the acceleration caused by the operation of the railway vehicle and to alleviate the opening / closing shock of the door. Discomfort can be minimized.

In addition, the fixing part including the elastic plate to fix the position of the door in the state that the door is opened to the maximum, and to mitigate the impact when the door is opened to the maximum, convenient to fix the door to the maximum opening state as needed The entrance and exit of the toilet is possible.

1 is a front view showing a door apparatus for a bathroom entrance of a conventional railway vehicle,
Fig. 2 is a front view showing a state in which the first and second doors are open in the door apparatus for toilet entrance and exit of a conventional railway vehicle,
3 is a front view showing a sliding door device for a bathroom entrance of a railway vehicle according to an embodiment of the present invention,
Figure 4 is a perspective view showing the lower structure of the sliding door device for the bathroom entrance of the railway vehicle according to a preferred embodiment of the present invention,
5 is an exploded perspective view of FIG. 4;
Figure 6 is a perspective view showing the upper structure of the sliding door device for the bathroom entrance of the railway vehicle according to a preferred embodiment of the present invention,
7 is a side cross-sectional view of a sliding door device for a bathroom entrance of a railway vehicle according to a preferred embodiment of the present invention;
8 and 9 are views for explaining the operation of the door opening in the sliding door device for the entrance to the toilet of the railway vehicle according to an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains (hereinafter, referred to as a person skilled in the art) may easily perform the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

The sliding door device for the bathroom entrance of the railroad vehicle according to the present invention is installed in the bathroom entrance of the railroad car to be implemented in a sliding form so as to open and close the doorway so that the toilet users can enter or limit the access of other toilet users. It relates to a door device.

Hereinafter, with reference to the accompanying Figures 3 to 7, specifically, the configuration and effect of the sliding door device (hereinafter, referred to as 'sliding door device') for the bathroom entrance of the railway vehicle according to a preferred embodiment of the present invention Explain.

Sliding door device according to a preferred embodiment of the present invention, the door 200, the rail unit 300, a pair of roller 400, the guide means 500, the drive unit 600, the buffer unit 700 and high Including the government 800.

The door 200 is installed at the doorway 10 to reciprocate to selectively open or close the doorway 10. In more detail, the door 200 is accommodated in the receiving area 100 provided at the side of the doorway 10 to open the doorway 10 or is drawn out from the receiving area 100 to the doorway 10 side. It is provided to be reciprocated to close the 10.

Here, in a preferred embodiment of the present invention, the receiving area 100 is an area where the door 200 is transported and positioned when the door 200 opens the doorway 10, and is located at the side of the doorway 10. It is provided as a front side area of the blocking panel 110 installed to shield the inside and outside of the toilet, but is not limited thereto.

For example, it may be provided as an inner region of the pocket-shaped receiving member installed on the side of the doorway (10). In this case, the door 200 is inserted into and accommodated in the receiving member to open the doorway 10 or withdrawn from the inside of the receiving member and is provided to be reciprocated to close the doorway 10.

The door 200 is preferably made of an aluminum panel having an internal structure of a honeycomb in response to the recent light weighting trend. In this case, the elderly, such as weak children, elderly people also have the advantage that can easily open the doorway 10 by transporting the door 200.

And the door 200 is preferably provided with a buffer member 210 to mitigate the impact when the door 200 is in contact with the door frame 11 of the doorway (10).

The rail unit 300 is provided in a frame shape with an empty inside, and is fixedly installed over the upper side of the receiving area 100 from the upper side of the doorway 10, the pair of rollers 400 along the longitudinal direction therein Support rail 310 is provided to support the door 200 is installed a pair of rollers 400 and at the same time serves to guide the reciprocating transfer of the door 200 from the upper side.

In addition, the rail unit 300 provides a space in which the driving unit 600, the buffer unit 700 and the fixing unit 800 can be installed and fixed.

3 and 6, the pair of rollers 400 are fixed to the upper end of the door 200 by roller brackets 410, respectively, to the support rail 310 of the rail unit 300. It is provided to move along the rail part 300 by rolling in contact. That is, the pair of rollers 400 support the door 200 with respect to the rail unit 300, and serve to guide the reciprocating transfer.

In a preferred embodiment of the present invention, the roller 400 is provided with a pair, but the number of the provided is not limited to this may be provided in consideration of the load of the door 200, etc., of course.

The guide means 500 serves to guide the reciprocation of the door 200 from the lower side, compared to the rail portion 300 that guides the reciprocation of the door 200 from the upper side. To this end, the guide means 500, the upper rail 510, the lower rail 520, the center rail 530, a plurality of first clouds 540 and a plurality of second clouds 550 It is done by

As shown in FIGS. 4 and 5, the upper rail 510 is fixedly installed on a lower surface of the door 200, is opened downward, and has an empty frame shape. Both inner circumferential surfaces of the upper rail 510 are in contact with an outer circumferential surface of the first cloud body 540, and both outer inner circumferential surfaces of the upper rail 510 may stably surround the outer circumferential surface of the first cloud body 540. Long groove 511 is formed.

The lower rail 520 is fixedly installed on the bottom surface BS of the receiving area 100, and is provided in a frame shape which opens upward and is empty inside. That is, the lower rail 520 has a shape symmetrical with the upper rail 510 with respect to the horizontal line. On both inner circumferential surfaces of the lower rail 520, similarly to the first receiving groove 511 of the upper rail 510, the second receiving cabinet groove 521 may be stably wrapped around the outer circumferential surface of the second cloud body 540. Is formed.

The center rail 530 is positioned between the upper rail 510 and the lower rail 520, and serves to structurally connect the upper and lower rails 510 and 520. To this end, the center rail 530 has a first rail 531 and a second rail 532 integrally formed on the upper side and the lower side, respectively, the upper rail 510 in a form surrounding the first rail 531. It is connected to the upper side of the center rail 530, the lower rail 520 is connected to the lower side of the center rail 530 in a form surrounding the second rail (532).

The plurality of first clouds 540 are respectively installed on both sides of the first rail 531 of the center rail 530 through the plurality of first fixing brackets 541, so that both outer peripheral surfaces and the upper sides of the first rail 531 Cloud movement between the two inner peripheral surfaces of the rail 510. By the plurality of first clouds 540, the upper rail 510 may be smoothly transported with respect to the first rail 531 of the center rail 530.

Here, the plurality of first clouds 540 are provided with metal spheres having high strength, and the first rails are inserted into the first accommodation holes 541-1 formed in the plurality of first fixing brackets 541, respectively. Since it is stably installed on both sides of 531, its durability is very high.

In addition, one side of the outer circumferential surface of the plurality of first clouds 540 is in contact with each of the inner circumferential surface of the first receiving groove 511 in a form surrounded by the first receiving groove 511 of the upper rail 510 described above, The outer circumferential surface of the plurality of first cloud bodies 540 contacts the inner circumferential surface of the first long groove 531-1 in a form surrounded by the first long groove 531-1 formed on the outer circumferential surface of the first rail 531. do.

Meanwhile, the plurality of second cloud bodies 550 are respectively installed on both sides of the second rail 532 of the center rail 530 through the plurality of second fixing brackets 551, so that both outer peripheral surfaces of the second rail 532 are provided. And cloud movement between both inner peripheral surfaces of the lower rail 520. The center rails 530 may be smoothly transported with respect to the lower rail 520 by the plurality of second clouds 550.

Here, the plurality of second cloud bodies 550 are provided with metal spheres having high strength, and the second rails 550 are respectively inserted into the second accommodation holes 551-1 formed in the plurality of second fixing brackets 551. Since it is stably provided on both sides of 532, its durability is very high.

One side of the outer circumferential surface of the plurality of second cloud bodies 550 is in contact with the inner circumferential surface of the second cupboard groove 521 in a form enclosed by the second cupboard groove 521 of the lower rail 520 described above. The other side of the outer circumferential surface of the second cloud body 550 is in contact with the inner circumferential surface of the second long groove 532-1 in a form surrounded by the second long groove 532-1 formed on the outer circumferential surface of the second rail 532. .

As described above, a plurality of first and second cloud bodies 540 and 550 are formed in the first and second accommodation grooves 511 and 521 and the first and second chapter grooves 51-1 and 532-1, respectively. Since the guide means 500 is installed in a wrapped form, the first and second clouds 540 and 550 are not easily detached and have high durability even when a force is applied to the door 200 in various directions and used for a long time. Is implemented.

In particular, the first and second long grooves 531-1 and 532-1 formed in the first and second rails 531 and 532 of the center rail 530 are formed toward the center side of the center rail 530. By further securing a space in which the first and second cloud bodies 540 and 550 can be provided, the guide means 500 can be compactly installed in a narrow space below the door 200.

By providing the above-described guide means 500, while guiding the reciprocating transfer of the door 200 stably from the lower side, since the obstacles such as a separate rail is not installed on the bottom surface (BS) of the doorway 10, the doorway (10) The passage of users and wheelchairs is very easy.

In addition, the guide means 500 is implemented by a three-stage sliding structure consisting of the upper rail 510, the lower rail 520 and the center rail 530, the door compared to the two-stage sliding structure consisting of a pair of rails The 200 can be guided more stably and has a stronger durability against external forces applied vertically or horizontally.

The drive unit 600 serves to apply a return transfer force to the door 200 so that the door 200 transferred by the user to open the doorway 10 can be automatically returned to be closed to close the doorway 10. do.

The driving unit 600 is provided with a coil spring (not shown) wound therein, and includes a wire 610 for applying the elastic force of the coil spring as a linear feed force to the door 200.

The drive unit 600 is installed at the end of the entrance 10 side of the rail unit 300, the end of the wire 610 is connected to the door 200 through the roller bracket 410. Therefore, when the door 200 is transported to open the doorway 10, the wire 610 is drawn out of the driving unit 600, and elastic force is accumulated in the coil spring to which the end of the wire 610 is connected.

When the external force applied to the door 200 is released in this state, the wire 200 is pulled toward the driving unit 600 by the elastic force of the coil spring, and the door 200 is transferred in the direction of closing the entrance 10. That is, in the sliding door device according to the present invention, the door 10 is opened by the door 200 manually, the door 10 is closed by the drive unit 600 is automatically.

The driving unit 600 is a wire (610) of the elastic force of the coil spring even in the state in which the door 200 is completely closed the entrance 10 so that the door 200 is not easily opened due to the acceleration according to the operation of the railway vehicle, etc. It may be provided to be applied to the door 200 through).

In a preferred embodiment of the present invention, the driving unit 600 is implemented in a form including a coil spring and a wire 610, the implementation manner is not limited thereto, so that the door 200 to open the doorway (10) Various methods may be applied in which the transfer force is accumulated when the transfer force is accumulated and the transfer force may be applied to the door 200 when the door 200 closes the entrance 10.

The shock absorbing unit 700 adjusts the conveying speed of the door 200, and serves to mitigate the impact of the door 200 when the door 200 closes the entrance 10. In one embodiment for performing this role, the buffer 700 may be implemented as an air damper, one end of which is fixed to the rail unit 300 and the other end of which is fixed to the door 200 through the connection member 710.

The shock absorbing unit 700 prevents the door 200 from unexpectedly opening or closing unexpectedly due to the acceleration according to the operation of the railway vehicle, and prevents the door 200 from being transported above a certain speed.

The fixing part 800 is installed at the end of the receiving area 100 side of the rail part 300, and the locking part installed in the door 200 through the roller bracket 410 in a state in which the door 200 is completely opened. It may be made to include an elastic plate 810 having a protrusion 811 to hang the 820.

By this fixing part 800, the door 200 can be fixed in a fully open state according to the user's needs, and when the door 200 is quickly opened, the locking part 820 and the elastic plate 810 As the protrusion 811 interferes with the interference, the elastic plate 810 may be elastically deformed, thereby reducing the opening impact of the door 200.

3 to 9, the operation and use state of the sliding door device according to the preferred embodiment of the present invention will be described in detail.

First, as shown in FIGS. 3 and 6 described above, when the user grabs the handle 220 and pushes the door 200 toward the receiving area 100 while the door 200 is completely closed, the door 200 Moves to the receiving area 100 along the rail part 300.

At this time, the pair of rollers 400 respectively installed on the upper end of the door 200 through the pair of roller brackets 410 to move in the contact with the support rail 310 of the rail unit 300, the door While supporting the load of 200, the reciprocating transfer of the door 200 is guided from the upper side of the door 200.

In addition, the wire 610 connected to the door 200 through the roller bracket 410 is drawn out of the driving unit 600 in accordance with the transfer of the door 200, thereby rotating the coil spring installed in the driving unit 600 to elasticity to the coil spring. And the shock absorbing part 700 prevents the door 200 from being transferred at an excessively high speed even when a strong force is applied to the door 200.

In addition, the center rail 530 and the upper rail 510, which were slid out with respect to the lower rail 520 in the state in which the door 200 is completely closed, have a plurality of first rails as the door 200 is gradually opened. • The rolling movement of the second cloud bodies 540 and 550 is slid and conveyed in the form of being gradually superimposed on the lower rail 520.

Here, the plurality of first and second clouds 540 and 550 are formed in the first and second accommodation holes 541-1 and 551-1 formed in the plurality of first and second fixing brackets 541 and 551. The outer peripheral surfaces thereof are respectively inserted, and the first and second receiving grooves 511 and 521 of the upper and lower rails 510 and 520 and the first and second long grooves of the first and second rails 531 and 532 531-. 1, 532-1) is stable cloud movement in the form respectively wrapped.

As such, the guide means 500 for guiding the transfer of the door 200 from the lower side of the door 200 is transferred to the receiving area 100 side together with the door 200 as the door 200 is opened, thereby opening the door ( The bottom surface BS of 10) is in a clean state without any obstacles.

As described above, when the door 200 continues to be transported toward the receiving area 100 to reach the maximum opening of the doorway 10, as shown in FIGS. 8 and 9, through the roller bracket 410. When the locking portion 820 installed on the door 200 comes into contact with the protrusion 811 provided on the elastic plate 810 of the fixing portion 800, the shock is alleviated, and when the door 200 is fully opened, the locking portion ( 820 is caught by the protrusion 811, the position of the door 200 is fixed.

At this time, the wire 610 is brought out to the maximum state from the driving unit 600, the elastic force is accumulated to the maximum in the coil spring inside the driving unit 600.

As such, the user can easily enter and exit the toilet of the railroad car by fixing the door 200 in a completely open state as necessary.

In this state, the upper and lower rails 510 and 520 and the center rail 530 are completely stacked, and the guide means 500 is positioned only on the bottom surface BS of the receiving area 100.

Subsequently, when the user applies only a small amount of force such that the locking portion 820 can be separated from the protrusion 811 toward the doorway 10, the door 200 is fixed by the fixing part 800. While being released, the door 200 is transferred by the driving unit 600 to close the doorway 10.

That is, the elastic force accumulated in the coil spring inside the driving unit 600 is transmitted to the door 200 through the wire 610, so that the door 200 is automatically closed.

At this time, in the guide means 500, the center rail 530 and the upper rail 510 with respect to the lower rail 520, respectively, due to the cloud movement of the plurality of first and second clouds 540, 550, respectively It is drawn out toward the doorway 10 and guides the transfer of the door 200 stably from the lower side of the door 200.

When the door 200 is completely closed, the shock absorbing unit 700 is relaxed so as not to speed up the closing conveyance of the door 200, and the shock absorbing member 210 installed in the door 200 is provided with the door 200 and the door frame. The contact impact of (11) is attenuated.

As described above, according to the sliding door device for the bathroom entrance of the railroad vehicle according to the present invention, the door 200 of the railroad car toilet is implemented in a sliding type of sliding type familiar to users, the opening and closing is convenient, the receiving area The upper rail 510 and the center rail 530 on which the door 200 is installed are slid and moved relative to the lower rail 520 based on the lower rail 520 fixed to the bottom surface BS of the door 100. As the guide means 500 is provided to guide the reciprocating transfer of the 200, since a separate rail for reciprocating transfer of the door 200 is not formed on the bottom surface BS of the doorway 10, the toilet user and It is very easy to pass such as a wheelchair.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention, and such modifications and variations belong to the appended claims. will be.

Description of the Related Art [0002]
100: receiving area 110: blocking panel
200: door 210: buffer member
220: handle 300: rail portion
310: support rail 400: roller
410: roller bracket 500: guide means
510: upper rail 511: first receiving groove
520: lower rail 521: second receiving groove groove
530: center rail 531: first rail
531-1: Chapter 1 Home 532: Rail 2
532-1: Chapter 2 Grooves 540: First Cloud
541: first fixing bracket 541-1: first receiving hole
550: second cloud body 551: second fixing bracket
551-1: second accommodation hole 600: drive unit
610 wire 700 buffer part
710: connecting member 800: fixing part
810: elastic plate 811: protrusion
820: hook 10: doorway
11: door frame BS: bottom surface

Claims (6)

As a sliding door device for opening and closing the entrance and exit of the toilet of the railway vehicle,
A door accommodated in an accommodation area provided at a side of the doorway and reciprocated to open the doorway or to be drawn out from the accommodation area to the doorway to close the doorway;
A rail unit fixedly installed from an upper side of the entrance to an upper side of the receiving area;
A plurality of rollers fixed to an upper end of the door and provided to move along the rails to guide the reciprocation of the door from above; And
Includes; guide means for guiding the reciprocating transfer of the door from the lower side,
The guide means,
An upper rail installed on a lower surface of the door,
A lower rail fixedly installed on the bottom surface of the receiving area;
A center rail in which the first rail on which the upper rail is installed and the second rail on which the lower rail is installed are integrally formed at upper and lower sides, respectively;
A plurality of first and second rolling bodies rotatably installed on the first and second rails so as to move in a cloud with respect to the upper rail and the lower rail, respectively. Door device. The method of claim 1,
The upper rail and the lower rail are provided in a form that surrounds both sides of the first and second rails of the center rail, respectively.
The plurality of first and second cloud bodies are respectively provided on both sides of the first and second rails so as to contact and rotate on the inner circumferential surfaces of the upper rail and the lower rail, respectively. Door device. The method of claim 2,
The upper rail and the lower rail,
The first and second accommodation grooves are formed on both inner peripheral surfaces of the plurality of first and second clouds to surround part of the outer peripheral surface of the plurality of first and second clouds, respectively. Sliding door device for the entrance to the toilet of a railway vehicle. The method of claim 2,
The plurality of first and second clouds,
The upper rail and the upper rail are respectively accommodated in the first and second accommodation holes formed in the plurality of first and second fixing brackets fixed to the first and second rails so as to cover both side surfaces of the first and second rails. Sliding door apparatus for the bathroom entrance of the railway vehicle, characterized in that provided by contact with the inner circumferential surface of the lower rail so as not to be separated. The method of claim 4, wherein
The first and second rails,
A sliding door apparatus for a doorway of a toilet of a railway vehicle, wherein first and second grooves are formed in a longitudinal direction, respectively, the both sides of which surround part of the outer circumferential surfaces of the plurality of first and second clouds. The method according to any one of claims 1 to 5,
A drive unit installed at the entrance side end of the rail part and applying an elastic force of a coil spring wound therein to a wire fixed to an upper end of the door to transfer the door to close the entrance;
One end is fixed to the rail portion and the other end is fixed to the upper end of the door, the buffer portion for adjusting the transfer speed of the door to be transferred to close the doorway by the drive unit, attenuating the impact of closing the doorway; And
A latching part provided at an end of the receiving area side of the rail part and having an elastic plate having a protruding portion protruding downward, and the protruding portion protruding at an upper end of the door when the door is fully open at the doorway; By fixing the engaging portion while interfering with, the fixed portion for reducing the shock at the full opening and fixing the door in a fully open state;
Sliding door device for the bathroom door of the railway vehicle further comprises a.

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