JPH09177456A - Sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve relaiability and safety of movement by constantly smoothly and certainly opening and closing a sliding door. SOLUTION: This sliding door is opened and closed as the sliding door in a door receptacle erected on an installation surface of a platform, etc., moves in the horizontal direction and in the reciprocal directions. Guide rails 16a, 16b are arranged along the moving direction of the sliding door 24 up and down in the inside of the door receptacle 11, and rail engagement parts 25a, 25b, 26a, 26b to engage with these guide rails 16a, 16b are installed on the sliding door 24. Consequently, the moving sliding door 24 is supported only in the inside of the door receptacle 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door device, for example, a sliding door device for safety and protection installed on a passage station platform of a railway.

[0002]

2. Description of the Related Art In order to protect users on the platform from wind pressure and noise when trains pass by at high speeds, safety station sliding door devices (safety fence sliding doors) are installed on the platforms of transit stations such as the Shinkansen. . FIG. 3 is a front view showing a conventional technique of this type of sliding door device, and FIG. 4 is a sectional view taken along line BB of FIG.

In these figures, the platform P
A door pocket 11 is erected on the door, and a sliding door 21 that can move horizontally and in the forward and reverse directions moves out of the door pocket 11 and moves linearly, and moves in the opposite direction so that it can be stored in the door pocket 11. . On the bottom surface of the sliding door 21, the door roller 2 that runs the sliding door 21
2 are installed. Also, inside the door pocket 11,
The guide rollers 12 are arranged to face each other so as to sandwich the upper and lower tail ends 23 of the sliding door 21, and the sliding door 21 is movable while maintaining a vertical state.

Reference numeral 13 denotes a door engine equipped with a pneumatic, hydraulic, electric, or other drive source, which is horizontally directed to the sliding door 21 via a known power transmission means such as a piston / cylinder, a rack / pinion, and a feed screw. Transmits the driving force of. In addition,
Reference numeral 14 is a door post that holds the tip of the closed sliding door 21.

The sliding door device constructed in this way is installed, for example, on the passage station platform P of the Shinkansen in parallel with the tracks, and when the train is passing, by closing the sliding door 21 at the command of the station staff, the user on the platform P can be closed. Performs the function of protecting from entrainment and noise due to wind pressure. In addition, it can also be used to prevent passengers from jumping in from a closing door on a platform on which a normal commuter train or the like stops.

[0006]

As described above, the conventional sliding door device is constructed such that the door roller 22 runs on the platform P and the sliding door 21 moves. Therefore, when there is a large amount of foreign matter such as snow, ice, pebbles, dust, etc. on the surface of the platform P on the traveling path of the door roller 22 or when the door roller 22 freezes on the surface, the sliding door is 21 could not move smoothly, and there was a risk that the opening and closing operation of the 21 would be hindered. In particular, the operational reliability of this type of sliding door device is a problem that is directly linked to the safety of the user, and therefore there has been a demand for solving the above problems.

The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a sliding door device capable of constantly opening and closing the sliding door reliably and smoothly to improve reliability and safety. To provide.

[0008]

In order to achieve the above object, the present invention provides a sliding door inside a door pocket that is erected on the installation surface.
In a sliding door device that is opened and closed by moving in the horizontal and forward and reverse directions, the moving sliding door is supported only inside the door pocket.

In the present invention, guide rails are arranged above and below the interior of the door pocket along the moving direction of the sliding door, and the sliding door is provided with rail engaging portions that engage with these guide rails. It is preferable that the relationship between the rail engagement portion and the rail engagement portion is reversed, the guide rails are arranged above and below the sliding door, and the rail engagement portion that engages with these guide rails is provided inside the door pocket.

According to the present invention, the moving sliding door has a cantilever structure which is supported only inside the door pocket. Therefore, the sliding door is always smooth regardless of the surface condition (snow, foreign matter, etc.) of the installation surface such as the platform. You can open and close the sliding door. In particular, by adopting the sliding structure of the sliding door as the engaging structure of the guide rail and the rail engaging portion, it is possible to easily ensure the linear sliding movement of the sliding door, and the sliding movement of the sliding door can be performed vertically by the guide rail. A supporting structure can realize a stable supporting state.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the embodiment, and FIG. 2 is an AA enlarged sectional view of FIG. In these drawings, rail support members 15a and 15b are arranged above and below the interior of the door pocket 11 along the moving direction of the sliding door 24, and guide rails 16a and 15a are provided on the lower surface of the rail support material 15a and the upper surface of the rail support material 15b. 16b are attached so as to face each other. In addition, as shown in FIG. 2, the rail support member 15a is provided on the top plate of the door pocket 11 and the rail support member 1a.
5b is fixed via an angle member 18.

Rail engaging portions 25a, 25 are provided above and below the rear end portion of the sliding door 24 and above and below the substantially central portion along the moving direction.
b, 26a, 26b are attached. Of these, the rail engaging portions 25a and 26a engage with the upper guide rail 16a inside the door pocket 11, and the rail engaging portions 25b and 26b engage with the lower guide rail 16b inside the door pocket 11, respectively.

As shown in detail in FIG. 2, the rail engaging portion 2
Ball bearings 17a and 17b are interposed between the rails 5a and 26a and the guide rail 16a, and between the rail engaging portions 25b and 26b and the guide rail 16b. Although not shown, the upper rail engaging portions 25a and 26a
The sliding door 24 can be supported in a more stable state by connecting the rails to form a long and integral body, and by connecting the lower rail engaging portions 25b and 26b to form a long body and an integral body. is there.

Further, the relationship between the guide rail and the rail engaging portion is reversed, the guide rails are attached to the upper and lower sides of the sliding door 24, and the rail engaging portion is arranged at the corresponding internal position of the door pocket 11 so as to connect them. You may make it engage.

In FIG. 1, 13 is a door engine for driving the sliding door 24 in the horizontal and forward and reverse directions, and 14 is a door post on which the tip of the closed sliding door 24 abuts. The door support post 14 is provided with a step portion 14a with which the tip of the sliding door 24 is engaged.

In this embodiment, the sliding door 2 is provided inside the door pocket 11.
4 is supported from above and below, and when the sliding door 24 is closed and the tip end thereof is engaged with the stepped portion 14a of the door support pillar 14 (the state of FIG. 1), both end portions of the sliding door 24 and almost the same. The structure supports the central portion, and the cantilever structure is such that the right side of the sliding door 24 floats from the surface of the platform P while the sliding door 24 is moving when opening and closing.

Therefore, if the sliding door 24 can be sufficiently supported in a cantilever state when it is moved, a guide rail is laid on the bottom of the door pocket 11 and arranged on the lower surface of the sliding door 24 near the center to the rear end. A structure may be employed in which a plurality of door rollers run on the guide rail. In this case, it is preferable that the upper part of the sliding door 24 is also supported by using a plurality of guide rollers or the like.

Further, if there is no problem in terms of the supporting strength of the sliding door 24, rail engaging portions are arranged on both side surfaces (front and back surfaces) of the sliding door 24, and these rail engaging portions face each other inside the door pocket 11. The sliding door 24 may be moved while being held from both front and back sides by engaging with a guide rail arranged on the inner side surface. Also in this case, guide rails may be provided on both side surfaces (front and back surfaces) of the sliding door 24, and rail engaging portions may be provided on opposing inner side surfaces inside the door pocket 11.

In the present embodiment, the sliding door 24 that is horizontally driven by the door engine 13 to be opened and closed does not have the door pulley 22 that contacts the platform P as in the conventional case, and the right side of FIG. Is floating from the surface. Therefore, even if some snow or foreign matter is present on the surface of the platform P that hits the movement path of the sliding door 24, these will not be an obstacle during movement.

It should be noted that, in order to minimize the influence of snow or the like, it is desirable that a large gap be provided between the lower surface of the sliding door 24 and the surface of the platform P. On the other hand, it is, of course, necessary to make this clearance high enough so that infants cannot pass through it.

Further, in the state where the sliding door 24 is closed, there is no possibility that the door roller 22 freezes on the surface of the platform P as in the conventional case. In other words, the guide rails 16a, 16b and the rail engaging portions 25a, 25b, 26.
Since the sliding portions and the engaging portions of a and 26b are inside the door pocket 11 that is unlikely to cause snow accretion, icing, freezing, etc., the sliding door 24 can be always opened and closed based on the command from the station staff.

[0022]

As described above, according to the present invention, the sliding door can be opened and closed without being affected by snowfall or foreign matter on the installation surface in the moving path of the sliding door. , It is possible to improve safety. In particular, if the sliding door is vertically supported by the engagement of the guide rail and the rail engaging portion, the sliding door can be smoothly moved while being supported in a stable state.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is a front view showing a conventional technique.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

[Explanation of symbols]

 11 Door Bag 13 Door Engine 14 Door Pillar 14a Step 15a, 15b Rail Support Material 16a, 16b Guide Rail 17a, 17b Ball Bearing 18 Angle Material 24 Sliding Door 25a, 25b, 26a, 26b Rail Engagement Part P Platform

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Masao Suzuki 1-6-5 Marunouchi, Chiyoda-ku, Tokyo Within East Japan Railway Company (72) Inventor Hiroshi Shinseki 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company (72) Inventor Tadahiro Sugai 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company (72) Inventor Naoshi Ono 3-4-2 Marunouchi, Chiyoda-ku, Tokyo Nihon Kotsu Kikai Co., Ltd. (72) Inventor Kiyoshi Tajima 34-2 Marunouchi, Chiyoda-ku, Tokyo Nihon Kotsu Kikai Co., Ltd. (72) Inventor Akio Inage No. 1 Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa No. 1 inside Fuji Electric Co., Ltd. (72) Inventor Yasumaru Senda 1-1 No. Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa Inside Fuji Electric Co., Ltd.

Claims (3)

[Claims] 1. A sliding door in a door pocket erected on the installation surface,
A sliding door device which is moved horizontally and in forward and reverse directions to be opened and closed, wherein the moving sliding door is supported only inside the door pocket. 2. The sliding door device according to claim 1, wherein guide rails are arranged above and below the interior of the door pocket along a moving direction of the sliding door, and rail engaging portions that engage with the guide rails are provided in the sliding door. A sliding door device characterized in that 3. The sliding door device according to claim 1, wherein guide rails are arranged above and below the sliding door along a moving direction of the sliding door, and rail engaging portions that engage with the guide rails are provided on the door pocket. A sliding door device characterized by being provided inside.