JP5936816B2 - Movable home fence - Google Patents

Description

  The present invention relates to a movable platform fence installed on a platform of a railway vehicle station.

  In recent years, in order to prevent passengers from falling on a platform of a railway vehicle station, there is an increasing number of cases where a movable platform fence provided with an automatically opening / closing door is installed on the floor surface of the platform.

  The movable platform fence is arranged so as to face the entrance / exit of the railway vehicle when the railway vehicle stops at the station, and opens and closes when the passenger gets on and off the railway vehicle. And a door pocket. Here, the door opens and closes by moving on a rail provided in the door pocket.

  One of the issues with movable home fences is the problem of steadying. This is to prevent the door from swinging when the door is moved and when the door is fully closed, so that the door, rails and the like are worn and the life of the movable home fence is not shortened.

  As a conventional anti-sway mechanism for a movable home fence, Patent Document 1 provides an anti-skid block on the door, and prevents the anti-sway during movement of the door by engaging the anti-skid rail and the anti-skid block of the door pocket. Is described.

JP-A-6-239225 (paragraph 0014, FIGS. 2 and 4)

  In the movable home fence, when the door is fully closed, there is a possibility that the door swings due to the wind pressure of the railway vehicle passing through the station and the door and the rail are worn and the life of the movable home fence is shortened. Therefore, it is important to keep the steady state particularly when the door is fully closed.

  In the conventional steadying mechanism for the movable home fence, if the gap between the steadying rail and the steadying block is too narrow, the door may be difficult to open and close. Therefore, in practice, it is necessary to provide a gap having an appropriate width between the steady rail and the steady block. For this reason, when the door is fully closed, there is a problem that the door is shaken and the door, the rail, and the like are worn within this gap.

  The present invention has been made to solve the above-described problem, and an object thereof is to suppress the swing of the door when fully closed.

In the movable platform fence according to the present invention, the door pocket provided with an opening at one end, the interior of the door pocket can be moved forward and backward, opened by being housed in the door pocket through the opening, closed by being pulled out, the first surface and the first surface A door having a second surface located on the opposite side of the first surface, and on the first surface side, provided in a portion that stays inside the door pocket of the door when the door is fully closed, A first insertion portion having a first sliding surface that slides on the surface and a first inclined surface; and a portion that stays inside the door pocket of the door when the door is fully closed on the second surface side. A second fitting portion provided and having a second sliding surface that slides on the second surface in the opening and closing direction of the door, and a second inclined surface, and a first end fixed to the first surface The first other end is fixed to the first insertion portion, the first elastic body that expands and contracts in the door opening / closing direction, and the second end is fixed to the second surface. The second other end is fixed to the second fitting portion, and the second elastic body that expands and contracts in the door opening and closing direction is fixed to the inner surface of the door pocket. When the door is fully closed, the first inclined surface is in surface contact. A first fitting receiving portion having a third inclined surface, and a fourth fitting fixed to a position corresponding to the first fitting receiving portion on the inner surface of the door pocket and in surface contact with the second inclined surface when the door is fully closed. A second fitting receiving portion having an inclined surface, and the friction coefficient between the first inclined surface and the third inclined surface and the friction coefficient between the second inclined surface and the fourth inclined surface are as follows: The friction coefficient between the first surface and the first sliding surface and the friction coefficient between the second surface and the second sliding surface are larger .
Further, in the movable home fence according to the present invention, a door pocket provided with an opening at one end thereof, the interior of the door pocket can be moved forward and backward, opened by being stored in the door pocket through the opening, closed by being pulled out, the first surface and A door having a second surface located on the opposite side of the first surface, and a portion that remains inside the door pocket of the door when the door is fully closed, and is fixed to the first surface; A first insertion part having a second insertion part having a second inclined surface fixed to a position corresponding to the first insertion part on the second surface, and opening and closing of the door on the first surface side A first fitting receiving portion having a first sliding surface that slides in the direction with the inner surface of the door pocket, and a third inclined surface that is in surface contact with the first inclined surface when the door is fully closed; A second sliding surface that slides with the inner surface of the door pocket in the door opening / closing direction on the surface side, and a second inclined surface when the door is fully closed On the first surface side, the first end is fixed to the inner surface of the door pocket, and the first other end is fixed to the first fitting receiving portion. The first elastic body that expands and contracts in the door opening / closing direction and the second surface side, the second end is fixed to the inner surface of the door pocket, and the second other end is fixed to the second fitting receiving portion. And a second elastic body that expands and contracts in the door opening and closing direction, and the friction coefficient between the first inclined surface and the third inclined surface and the friction coefficient between the second inclined surface and the fourth inclined surface are: The friction coefficient between the inner surface of the door pocket and the first sliding surface on the first surface side and the friction coefficient between the inner surface of the door bag and the second sliding surface on the second surface side are larger .

According to this invention, the swing of the door when fully closed can be suppressed, the life of the movable home fence can be extended, and even if the center of the door is shifted from the center of the door pocket, the swing of the door is sufficient. Can be suppressed. Therefore, the tolerance | permissible_range of the positional relationship of the door in a boarding / exiting direction in installation of a movable platform fence becomes large.
Moreover, according to the movable home fence which concerns on this invention, while being able to suppress the swing of the door at the time of door full closure, the member which comprises a home fence can be decreased and an assembly becomes easy.

It is side surface sectional drawing of the movable home fence which concerns on Embodiment 1 of this invention. It is a fragmentary horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 1 of this invention was opened. It is a partial horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 1 of this invention was closed. It is a partial horizontal sectional view of a movable home fence in the state where the door concerning Embodiment 1 of this invention was biased closed. It is a partial horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 2 of this invention was opened. It is a partial horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 2 of this invention was closed. It is a partial horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 2 of this invention was closed biased. It is a partial horizontal sectional view of the movable home fence in the state where the door concerning Embodiment 3 of this invention was closed. It is side surface sectional drawing of the movable home fence which concerns on Embodiment 4 of this invention. It is a partial horizontal sectional view of the movable platform fence in the state where the door concerning Embodiment 4 of this invention was opened.

Embodiment 1 FIG.
FIG. 1 is a side view showing a movable home fence according to Embodiment 1 of the present invention. Hereinafter, based on FIG. 1, the structure of the movable home fence which concerns on Embodiment 1 of this invention is demonstrated. The movable home fence is composed of a door 2 and a door pocket 1. The door pocket 1 has a box shape formed of a door pocket cover 3 and the like, and one surface on the left side of FIG. 1 is opened. In FIG. 1, the floor side of the platform is the lower side and the opposite side is the upper side. An upper rail 13 is provided on the upper side of FIG. 1, and a lower rail 15 is provided on the lower side of FIG. The door pocket cover 3 is also provided on the front side of FIG. 1, but the front side door cover 3 is omitted in FIG. 1 to show the internal structure of the door pocket 1.

  An upper roller guide 12 and a lower roller guide 14 are provided above and below the door 2 side end of the door 2, respectively. The upper roller guide 12 has two wheels on the upper side, and the lower roller guide 14 has two wheels on the lower side.

  The two wheels of the upper roller guide 12 are in contact with the upper rail 13, the two wheels of the lower roller guide 14 are in contact with the lower rail 15, and the door 2 is movable in the left-right direction in FIG. Further, the door 2 enters and exits the door pocket 1 from the open surface of the door pocket 1. Thereby, the door 2 can be opened by storing the door 2 in the door pocket 1, and the door 2 can be closed by pulling the door 2 out of the door pocket 1.

  FIG. 2 is a partial horizontal sectional view of the movable home fence with the door opened according to Embodiment 1 of the present invention. Door-side taper guides 5 are provided as fitting portions on both the track-side and platform-side portions of the door 2 that remain in the door pocket 1 when the door 2 is fully closed. Corresponding to these, the doorside cover 3 on the track side and the platform side is provided with a doorcase 1 side taper guide 4 as a fitting receiving portion.

  The spring receiver 6 is fixed to the inner surface of the door cover 1 of the door cover 3, and the door side taper guide 5 is fixed to the door 2. A compression spring 7 is provided between the spring receiver 6 and the door pocket side taper guide 4, and the door pocket side taper guide 4 is connected to the door pocket 1 via the compression spring 7. The door-side taper guide 4 and the door-side taper guide 5 are formed so that inclined surfaces parallel to each other face each other. Thereby, when the door 2 is closed, the door side taper guide 5 and the door pocket side taper guide 4 are in surface contact with each other on the inclined surface.

  As for the door pocket side taper guide 4, the surface which contacts the door pocket cover 3 becomes a sliding surface, and the door pocket side taper guide 4 is slid with respect to the door pocket cover 3. FIG.

  Moreover, the friction coefficient of the inclined surface of the door pocket side taper guide 4 is larger than the friction coefficient of the sliding surface. Thereby, the door pocket side taper guide 4 slides with respect to the door pocket cover 3 while the door side taper guide 4 firmly holds the door side taper guide 3 by surface contact. As a method of adjusting the friction coefficient, for example, there are a method of making the material different depending on the surface and a method of providing many grooves on the surface.

  FIG. 3 is a partial horizontal sectional view of the movable home fence with the door closed according to Embodiment 1 of the present invention. When the door 2 is moved from the state shown in FIG. 2 in the closing direction (leftward in FIG. 2), the state shown in FIG. 3 is obtained and the door 2 is closed. At this time, since the inclined surfaces of the door pocket side taper guide 4 and the door side taper guide 5 are in surface contact, the door 2 cannot swing in the vertical direction of FIG.

  As shown in FIG. 2, when the door 2 is moved a predetermined distance in the opening direction, the door-side taper guide 5 and the door-side taper guide 4 are not in contact with each other, and friction between them is eliminated. Therefore, opening and closing of the door 2 is very easy.

  Next, the point that the movable home fence according to the first embodiment of the present invention is effective even when the door 2 is installed with a deviation from the center will be described. The center of the door 2 may be shifted from the center of the door pocket 1 in the installation work of the movable platform fence on the platform of the station. FIG. 4 is a partial horizontal cross-sectional view of the movable home fence in a state where the door 2 according to Embodiment 1 of the present invention is closed while being offset from the center. In FIG. 4, the center of the door 2 is shifted from the center of the door pocket 1 to the lower side of FIG. 4.

  Even in this case, the contraction amount of the compression spring 7 on the lower side of FIG. 4 on the side where the door 4 is biased becomes larger than the contraction amount of the compression spring 7 on the upper side of FIG. Surface contact can be made on both the track side and the platform side.

  As mentioned above, in the movable platform fence which concerns on Embodiment 1 of this invention, since the receiving part was provided in the door pocket 1 and the insertion part was provided in the door 2, the swing of the door at the time of a door fully closed can be suppressed. .

  Further, in the movable home fence according to the first embodiment of the present invention, even if the door 2 is installed slightly shifted in the opening / closing direction due to the compression spring 7 being compressed, the door side taper guide 4 and the door side taper guide are provided. 5 makes surface contact. Therefore, the tolerance | permissible_range of the positional relationship of the door 2 in the door opening / closing direction of the door 2 and the door pocket 1 in installation of a movable home fence becomes wide.

  Further, in the movable platform fence according to the first embodiment of the present invention, the doorside taper guide 4, the door side taper guide 5 and the compression spring 7 are arranged on both sides of the track side and the platform side, respectively, so that the center of the door is Even if the door 1 is installed out of the center of the door pocket 1, the swing of the door can be sufficiently suppressed. Therefore, the tolerance | permissible_range of the positional relationship of the entrance / exit direction of the door 2 and the door pocket 1 in installation of a movable platform fence becomes wide.

Embodiment 2. FIG.
FIG. 5 is a partial horizontal cross-sectional view of the movable home fence with the door opened according to Embodiment 2 of the present invention. FIG. 6 is a partial horizontal sectional view of the movable home fence with the door closed according to Embodiment 2 of the present invention. FIG. 7 is a partial horizontal sectional view of the movable home fence in a state where the door according to the second embodiment of the present invention is biased closed. The configuration of the movable home fence according to the second embodiment is basically the same as the configuration of the movable home fence according to the first embodiment, and the same components are denoted by the same reference numerals and description thereof is omitted. The difference from the first embodiment is how to attach the spring.

  As shown in FIG. 5, in the movable home fence according to the second embodiment of the present invention, the spring receiver 8 and the extension spring 9 are provided on the door 2 side of the door 2 in the closing direction. As a result, the compression spring 7 is compressed when the door 2 is closed in the first embodiment, whereas the extension spring 9 is expanded in the second embodiment, but the effect is the same.

  As mentioned above, also in the movable home fence which concerns on Embodiment 2 of this invention, the effect similar to Embodiment 1 can be acquired.

  In the first embodiment, when an object enters the vicinity of the opening of the door pocket, the object may be caught between the spring receiver 6 and the compression spring 7 and the door 2. On the other hand, in the second embodiment, the spring receiver 8 and the extension spring 9 are installed apart from the opening of the door pocket. Therefore, when an object enters the vicinity of the opening of the door pocket, the spring receiver 8 and the extension spring 9 and the door 2 It is possible to prevent accidents such as sandwiching objects between the two, and to improve safety.

Embodiment 3 FIG.
FIG. 8 is a partial horizontal sectional view of a movable home fence according to Embodiment 3 of the present invention. The configuration of the movable home fence according to the third embodiment is basically the same as the configuration of the movable home fence according to the first embodiment of the present invention, and the same components are denoted by the same reference numerals and description thereof is omitted. To do. The difference from the first embodiment is that the compression spring 11 is attached not to the door-side taper guide 4 but to the door-side taper guide 5. Even if it is such a structure, the effect similar to Embodiment 1 can be acquired.

  The spring receiver 10 is fixed to both surfaces of the door 2 on the track side and the platform side, and the door pocket side taper guide 4 is fixed to the inner surface of the door pocket 1 of the door cover 3. A compression spring 11 is provided between the spring receiver 10 and the door-side taper guide 5, and the door-side taper guide 5 is connected to the door 2 via the compression spring 11.

  The door-side taper guide 5 has a sliding surface in contact with the door 2, and the door-side taper guide 5 is slidable with respect to the door 2.

  Moreover, the friction coefficient of the inclined surface of the door side taper guide 5 is larger than the friction coefficient of the sliding surface. Thereby, the door side taper guide 5 slides with respect to the door 2 while the door side taper guide 5 firmly holds the door pocket side taper guide 4 by surface contact.

  As mentioned above, also in the movable home fence which concerns on Embodiment 3 of this invention which attached the compression spring 11 to the door side taper guide 5, the effect similar to Embodiment 1 can be acquired.

  In the third embodiment, since the spring receiver 10 and the compression spring 11 are provided on the door 2, the spring receiver 10 and the compression spring 11 are farther away from the door opening as the door 2 is opened. Therefore, when the door 2 is open, when an object enters the vicinity of the opening of the door pocket, an accident such as the object being caught between the spring receiver 10 and the compression spring 11 and the door 2 can be prevented. Can increase the sex.

  Here, although the spring receiver 10 and the compression spring 11 are provided on the door 2 side in the closing direction from the door-side taper guide 5, an extension spring may be provided on the door 2 in the opening direction side.

Embodiment 4 FIG.
FIG. 9 is a side view showing a movable home fence according to Embodiment 4 of the present invention. The configuration of the movable home fence according to the fourth embodiment is basically the same as the configuration of the movable home fence according to the first embodiment of the present invention, and the same components are denoted by the same reference numerals and description thereof is omitted. To do. The difference between the fourth embodiment and the first embodiment is the structure of the door side taper guide and the door pocket side taper guide.

  In the movable home fence according to Embodiment 4 of the present invention, a door pocket side taper guide 16 is provided as a fitting receiving portion on the top end side of the door cover 3. Correspondingly, a door-side taper guide 17 is provided on the upper side of the door 2 as an insertion portion. In the movable home fence according to the fourth embodiment, the door-side taper guide 16 and the door-side taper guide 17 are each one.

  The door-side taper guide 17 is formed in a wedge shape, and the door-side taper guide 16 is provided with a groove in the center where the door-side taper guide 17 is fitted.

  The spring receiver 18 and the compression spring 19 are also provided closer to the door pocket 20 than the door side taper guide 17 on the upper side of the door 2.

  FIG. 10 is a partial horizontal sectional view of a movable home fence according to Embodiment 4 of the present invention. The door-side taper guide 16 is shaped so that the center is fitted with the door-side taper guide 17, and the door-side taper guide 16 and the door-side taper guide 17 are formed at the same angle so that they face each other. Has been. When the door 2 is closed, the door side taper guide 17 comes into surface contact with the door pocket side taper guide 16.

  As mentioned above, also in the movable platform fence which concerns on Embodiment 4 of this invention, since the receiving part was provided in the door pocket 20 and the insertion part was provided in the door 2, the swing of the door at the time of a door full closure can be suppressed. .

  Further, the number of members can be reduced, and assembly is facilitated.

DESCRIPTION OF SYMBOLS 1 Door bag 2 Door 3 Door bag cover 4 Door bag side taper guide 5 Door side taper guide 6 Spring receiver 7 Compression spring 8 Spring receiver 9 Extension spring 10 Spring receiver 11 Compression spring 12 Upper roller guide 13 Upper rail 14 Lower roller guide 15 Lower side Rail 16 Door side taper guide 17 Door side taper guide 18 Spring receiver 19 Compression spring 20 Door bag

Claims (4)

A door pocket with an opening at one end;
A door having a first surface and a second surface located on the opposite side of the first surface, which is movable by moving forward and backward within the door pocket, opened by being housed in the door pocket through the opening, and closed by being pulled out; ,
On the first surface side, a first sliding surface provided on a portion of the door that stays inside the door pocket when the door is fully closed, and slides on the first surface in the door opening / closing direction. And a first insertion portion having a first inclined surface,
On the second surface side, a second sliding surface that is provided on a portion of the door that remains inside the door pocket when the door is fully closed, and slides on the second surface in the door opening / closing direction. And a second insertion portion having a second inclined surface,
A first elastic body having a first end fixed to the first surface, a first other end fixed to the first fitting portion, and extending and contracting in an opening and closing direction of the door;
A second elastic body having a second end fixed to the second surface, a second other end fixed to the second insertion portion, and extending and contracting in the opening and closing direction of the door;
A first fitting receiving portion having a third inclined surface fixed to the inner surface of the door pocket and in surface contact with the first inclined surface when the door is fully closed;
A second fitting receiving portion fixed at a position corresponding to the first fitting receiving portion on the inner surface of the door pocket and having a fourth inclined surface that is in surface contact with the second inclined surface when the door is fully closed; equipped with a,
The friction coefficient between the first inclined surface and the third inclined surface and the friction coefficient between the second inclined surface and the fourth inclined surface are the first surface and the first sliding surface. And a movable home fence larger than the friction coefficient between the second surface and the second sliding surface . In the first elastic body, the first end is located on the side opposite to the opening with respect to the first insertion portion,
2. The movable home fence according to claim 1, wherein the second elastic body has the second end located on a side opposite to the opening with respect to the second fitting portion. A door pocket with an opening at one end;
A door having a first surface and a second surface located on the opposite side of the first surface, which is movable by moving forward and backward within the door pocket, opened by being housed in the door pocket through the opening, and closed by being pulled out; ,
A first fitting portion that is provided in a portion of the door that remains inside the door pocket when the door is fully closed, is fixed to the first surface, and has a first inclined surface;
A second insertion portion fixed at a position corresponding to the first insertion portion on the second surface and having a second inclined surface;
A first sliding surface that slides with the inner surface of the door pocket in the door opening and closing direction on the first surface side, and a third slope that makes surface contact with the first inclined surface when the door is fully closed A first fitting receiving portion having a surface;
A second sliding surface that slides with the inner surface of the door pocket in the door opening and closing direction on the second surface side, and a fourth slope that is in surface contact with the second inclined surface when the door is fully closed. A second fitting receiving portion having a surface;
On the first surface side, the first end is fixed to the inner surface of the door pocket, the first other end is fixed to the first fitting receiving portion, and the first end expands and contracts in the door opening / closing direction. An elastic body,
On the second surface side, a second end is fixed to the inner surface of the door pocket, a second other end is fixed to the second fitting receiving portion, and the second end expands and contracts in the door opening / closing direction. With an elastic body ,
The coefficient of friction between the first inclined surface and the third inclined surface and the coefficient of friction between the second inclined surface and the fourth inclined surface are determined by the inner surface of the door pocket on the first surface side. A movable home fence having a coefficient of friction with the first sliding surface and a coefficient of friction between the inner surface of the door pocket on the second surface side and the second sliding surface . In the first elastic body, the first end is located on the opposite side of the opening with respect to the first fitting portion,
4. The movable home fence according to claim 3 , wherein the second elastic body has the second end located on a side opposite to the opening with respect to the second fitting receiving portion.

Images