JP2539132Y2 - sliding door - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a sliding door suitable for a sliding door (door) of a vehicle such as a railway car or a monorail, and more particularly, to a sliding door having a function of removing obstacles entering a groove of the sliding door. About sliding doors.

[0002]

2. Description of the Related Art Sliding doors of vehicles and elevators generally have a structure in which a concave groove (also referred to as a rail groove) is opened on a floor surface, and a lower end portion of the sliding door is inserted into the groove to open and close horizontally. It is a target.

[0003] In a sliding door having such a structure, dust or pebbles or the like enter into the rail groove in the related art. Therefore, an elongated hole is provided in some places on the bottom surface of the rail groove, and the entered dust or pebble is dropped from the hole. Has been eliminated.

[0004]

[Problems to be Solved by the Invention] Recently, an increasing number of passengers listen to music, English conversation, and the like using a portable tape recorder in a car when commuting or going to school. In this type of tape recorder, a dry battery (especially AA type) is often used as a power source, but passengers who throw away the exhausted dry battery in the vehicle are not left behind. Therefore, when the sliding door is opened, the dry battery thrown away in the vehicle may roll and enter the rail groove.

However, in the above-mentioned conventional sliding door, the hole provided in the groove is smaller than the size of the dry cell and does not fall from the hole.
In the vicinity of the closing position of the sliding door, a dry battery may be interposed between the sliding door and the door frame, and the sliding door may not be closed.

On the other hand, there is a method in which a hole in a groove is enlarged to such an extent that a relatively large obstacle such as a dry battery falls.
The limited width of the groove limits the size of the hole.
Further, even if a hole large enough to drop the dry battery is formed, the dry battery may be clogged in the hole together with dust or the like. In addition, there is a method to reduce the depth of the rail groove to prevent batteries from entering.However, if the groove is shallow, the amount of fitting at the lower end of the sliding door will decrease, and the supporting force of the sliding door will decrease, and in some cases, Is not preferred because the sliding door may come off.

The present invention has been made in view of the above point, and even if an obstruction such as a dry battery enters the rail groove, it can be automatically removed when the sliding door is closed, resulting in a poor closing. The purpose is to provide a sliding door without fear.

[0008]

In order to achieve the above-mentioned object, the sliding door of the present invention comprises: a) opening a concave rail groove on the floor surface, and inserting a lower end of the sliding door into the rail groove to horizontally move the sliding door. B) at least a front portion of a lower end portion of the sliding door is formed with a pair of extruded plate portions arranged side by side in a width direction with a predetermined gap, and a rail groove near a closed position of the sliding door. At the center in the width direction of the inside, an inclined portion inclined to the height of the floor surface is provided in the closing direction of the sliding door, and an extrusion rail having a width smaller than the gap between the extruding plate portions is protruded, and c) a sliding door above the extruding plate portion. Is inclined from one surface to the other surface.

Further, when the sliding door is a double sliding door, an isosceles trapezoidal extruding rail is protruded at a central portion in the longitudinal direction of the rail groove, and a lower front surface of the sliding door is formed. It is good to incline oppositely.

Further, according to claim 3, A) a sliding door which is provided with a convex rail on a floor surface, and which is horizontally opened and closed by fitting a fitting groove at a lower end portion of the sliding door into the rail. May be inclined outward from the vicinity of the fitting groove of the rail toward the door butt side, respectively.

[0011]

According to the sliding door of the present invention having the above structure, when the sliding door is opened, for example, even if the dry battery enters the rail groove, when the sliding door is closed, the dry battery is opened and closed by the pair of extruded plate portions. It is pushed and moved in the rail groove in the closing direction, and is pushed up to the level of the floor along the inclined portion of the extrusion rail. Then, the dry battery is pushed out to one surface (inward or outward) of the sliding door by the inclined surface on the front surface of the lower portion of the sliding door, and is removed from the rail groove. As a result, the sliding door is securely closed.

[0012] In the double sliding door (claim 2),
The battery that has entered the rail groove is moved by being pushed toward the center of the rail groove by a pair of extrusion plates of one sliding door that closes from both sides toward the center, and one inclined portion of the trapezoidal extrusion rail. Along the floor to the height of the floor. And, by the slope of the lower front of the sliding door on both sides,
The battery is pushed out to one side of the sliding door and is removed from the rail groove.

Further, in a sliding door which is opened and closed along a convex rail provided on the floor surface, when the sliding door is opened, obstacles such as dry batteries are located along the rail. In this case, however, also in this case, when the sliding door is closed, the obstacle is removed outward from the rail by the inclined surface on the front surface of the lower end portion, so that the sliding door is securely closed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the sliding door of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a lower part of a single sliding door and a part of a rail groove, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a sectional view of the front view of FIG.

As shown in FIG. 1, the sliding door 1 is a one-way sliding door, and its lower end 2 is fitted into a concave rail groove 5 formed on the floor A, and is horizontally opened and closed.

The lower end portion 2 of the sliding door 1 is formed of a fitting portion having a width slightly smaller than that of the rail groove 5, and a pair of extruded plate portions 2a, 2a arranged in parallel with a certain gap formed in the front portion. Have been. These extruded plate portions 2a may be formed by opening a long groove at the center of the lower end portion 2 or two plate members separate from the lower end portion 2 of the sliding door 1 may be fixed at a fixed gap. And may be formed by attaching in parallel.

On the other hand, in the center of the rail groove 5 in the width direction,
An extrusion rail 6 protrudes from the closed end toward the open side. As shown in FIG. 2, the width of the extrusion rail 6 is slightly smaller than the gap between the extrusion plates 2a, and has the same height as the floor surface A. On the side of the extrusion rail 6 facing the sliding door 1, an inclined portion 6 a that is inclined so as to gradually increase in the closing direction of the sliding door 1 is formed.

The lower front surface of the sliding door 1 immediately above the extruding plate portion 2a extends from one surface of the sliding door 1 (left side in FIG. 1) to the other surface (FIG. 1).
To the right) of the door. And, as shown in FIG.
The sliding door 1 is provided at a position slightly retracted from the front surface 1a of the sliding door 1 in contact with the side pillar 8 at the entrance.

Here, in the sliding door of the above-described embodiment, the rejection operation when a dry battery enters in the rail groove will be described with reference to FIG.

When the sliding door 1 is closed with the dry battery B inserted into the rail groove 5, the dry battery B is pushed by the front surface of the push plate 2a and moves forward (FIG. 4 (a)).

When the sliding door 1 approaches the closed position, the dry battery B is gradually pushed up to the level of the floor A along the inclined portion 6a of the extrusion rail 6 (FIG. 4B).

The dry battery B is pushed up to the top surface of the extrusion rail 6 and becomes substantially parallel to the extrusion rail 6 (FIG. 4).
(c)).

Immediately before the sliding door 1 closes, the inclined surface 4 abuts on one end of the dry cell B, and the dry cell B
Is eliminated to the right side of FIG. 4 (FIG. 4D). In addition, even when the dry battery B is not removed because it is turned sideways, the inclined surface 4
Is provided at a position retracted from the front surface of the sliding door 1 toward the bottom of the door, so that the sliding door 1 is fully closed (see FIG. 3).

FIG. 5 is a front perspective view showing another embodiment of the present invention (a double-sided sliding door). As shown in the figure, a pair of extruded plate portions 2a are formed in front of lower ends 2 of sliding doors 1'1 'on both sides. On the lower front surface of the sliding door 1 'just above the extruding plate portion 2a, there are formed inclined surfaces 4 which are inclined in opposite directions. On the other hand, at the center of the rail groove 5, there is provided a push-out rail 7 having an inclined portion 7 a which is gradually inclined upward from both sides to the center.
Is protruding. Other configurations are the same as those of the above-described embodiment, and the description is omitted.

Also in the case of the sliding door 1 'of this embodiment, the operation of removing obstacles such as the dry battery B which has entered the rail groove 5 is as follows.
Except for the following points, it is basically common to the sliding door 1 of the above embodiment. That is, in the above embodiment, the side pillar 8 and the sliding door 1
In the present embodiment, the dry batteries B and the like are removed between the lower inclined surfaces 4 and 4 of the sliding doors 1 'and 1' on both sides, while the dry batteries B and the like are eliminated between the lower inclined surfaces 4 and 4 of FIG. Is eliminated in front of the

Next, FIG. 6 is a perspective view showing an embodiment according to the second invention. The sliding door 11 of the present invention has a fitting groove 13 formed in a longitudinal direction of a central portion of a lower end portion 12 thereof, and the fitting groove 13 is fitted into a convex rail 15 protruding from the floor surface A,
It is opened and closed horizontally. On the front surface on both sides of the lower end portion 12 of the sliding door 11, an inclined surface 14 which is inclined outward from the vicinity of the fitting groove 13 toward the door bottom side is formed. Reference numeral 16 in the drawing is a side pillar.

In the case of the sliding door 11 of the present invention, since there is no rail groove on the floor surface A, the dry batteries B and the like do not enter.
The dry battery B rolling on the floor A may be parallel to the rail 15. However, even in such a state, when the sliding door 11 is closed, the dry batteries B are removed outward from the position in contact with the rail 15 on the inclined surface 14 on the front surface of the lower end portion 12, so that the dry batteries B There is no possibility of being caught between the side pillars 16. Therefore, the sliding door 11 is completely closed.
In this embodiment, the top of the rail 15 is formed round so that there is no possibility that the dry battery B or the like may be placed on the rail 15. Further, in the present embodiment, the one-way opening sliding door 11 is illustrated, but the same can be applied to a two-way opening sliding door.

By the way, in the above embodiment, one example of the single sliding door and one example of the double sliding door are shown, but the present invention is not limited to the embodiment. For example, in the sliding door of the present invention, an elongated hole for dropping dirt or pebbles can be provided in the rail groove 5 as in the related art. In addition, it goes without saying that the sliding door of the present invention can be applied not only to vehicles but also to sliding doors for houses and opening and closing doors of elevators.

[0030]

[Effect of the invention] As is clear from the above explanation,
The sliding door of the present invention has the following effects.

1) Even if a relatively large obstacle such as a dry battery enters the rail groove, it can be automatically removed when the sliding door is closed, and there is no possibility that the sliding door will fail to close properly. In addition, the structure is simple and can be manufactured at low cost.

2) According to the sliding door of the second aspect, the double sliding door can be carried out similarly to the single sliding door, and the effect described in 1) above is produced.

According to the third aspect of the present invention, in a sliding door having a convex rail on the floor, the sliding door closes even when a relatively large obstacle such as a dry battery is positioned along the rail. In this case, the sliding door can be automatically removed, and there is no possibility that the sliding door may be incompletely closed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a lower portion of a single sliding door and a part of a rail groove according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a front sectional view of FIG. 1;

4 (a) to 4 (d) are perspective views sequentially showing modes of removing obstacles by the sliding door of FIG. 1;

FIG. 5 is a front perspective view showing another embodiment (double sliding door) of the present invention.

FIG. 6 is a perspective view showing an embodiment of the sliding door according to the second invention.

[Explanation of symbols]

 1.1 ′ · 11 Sliding door 2 · 12 Lower end 2a Extruded plate part 4.14 Inclined surface 5 Rail groove 6.7 Extruded rail 6a · 7a Inclined part 13 Fitting groove 15 Rail

Claims (3)

(57) [Scope of request for utility model registration] 1. A sliding door which is opened and closed horizontally by forming a concave rail groove on a floor surface and fitting a lower end portion of a sliding door into the rail groove, wherein at least a front part of a lower end portion of the sliding door has a predetermined gap. In addition to forming a pair of extruded plate portions that are arranged side by side in the width direction, the inclined portion inclined to the height of the floor surface in the width direction center in the rail groove near the closed position of the sliding door is a sliding door closing direction. A sliding door having a width smaller than the gap between the pushing plate portions, and a lower front surface of a sliding door above the pushing plate portion is inclined from one surface inside and outside to another surface. 2. The sliding door according to claim 1, wherein the sliding door is a double sliding door, and an isosceles trapezoidal extruding rail is protrudingly provided at a central portion in a longitudinal direction of the rail groove, and lower front surfaces of both sliding doors are inclined to face each other. The sliding door according to 1. 3. A sliding door which is provided with a convex rail on a floor surface and is horizontally opened and closed by fitting a fitting groove at a lower end of the sliding door into the rail. Sliding doors characterized by slanting outward from the vicinity of the groove to the door butt side.