JP3532883B2 - Front penetration opening of railway car - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front door opening of a railway vehicle.

[0002]

2. Description of the Related Art Generally, a railroad vehicle is provided with an opening called a front through-opening door for escaping passengers, for example, in the event of an emergency in vehicles connected to the head or the tail. ing. This front penetration opening door,
In a state where the rescue vehicle is approaching the first vehicle or the last vehicle of the train requiring rescue, in the opening operation, in a state of maintaining parallel to the front wall body so as not to interfere with the rescue vehicle, After opening in a direction away from the front wall body by a limited distance, it is moved in parallel with the front wall body.

11 and 12 are views showing an example of the configuration of a conventional front door opening of this kind, FIG. 11 is a front view seen from the passenger compartment, and FIG. 12 is an enlarged sectional view taken along the line AA. ing. 13 and 14 are enlarged cross-sectional views taken along the plane BB and the plane CC of FIG. 11. Also, FIG.
5 shows an enlarged sectional view taken along line DD of FIG.

A front through-opening door 101 is a floor surface 102 of a vehicle.
The guide rail 104 is configured to open and close along a guide rail 104 that is formed on a protruding portion outward from the front wall body 103. The guide rail 104 extends in an arc shape in a direction away from the front wall body 103. The curved portion 104a and the two curved portions 104a join together to form one straight portion 104b extending in parallel to the front wall body 103.

Front through-opening door 101 (hereinafter, simply referred to as opening door 10
A ball caster 105 that rolls along the guide rail 104 is provided at the lower end of the ball caster 105. Two guide links 106 and 107 are engaged with each other at a middle portion of the door 101 with a predetermined span in the vertical direction. The guide links 106 and 107 have the same mechanism as each other, and the guide links 106 and 107 have vertical ends rotatably supported by guide link support members 106a and 107a provided on the vehicle body. 1
It is fixed to 06b and 107b, respectively. Further, rollers 106c and 107c are provided at the tip portion thereof. The rollers 106c and 107c are linear groove guides 108 and 1 fixed to the door 101.
It is movably fitted into 09.

A stopper 110 (see FIG. 14, upper guide link 10 corresponding to each guide link 106, 107)
6 is fixed to the vehicle body, and the stopper 110 restricts the turning ends of the guide links 106 and 107, so that when the door 101 is opened, the guide links 106 and 107 are simultaneously fixed to the stopper 110. It comes to abut.

The guide links 106, 107 are fixed to the respective guide links 106, 107 and the guide link supporting members 106a, 10
The vertical shafts 106b and 107b rotatable with respect to 7a are
They are connected to each other by connecting rods 111 having universal joints 111a and 111b at both ends, and are configured to have the same rotational phase with respect to the guide link support members 106a and 107a.

In the above structure, when the door 101 is opened from the closed state, the guide link 10 is kept until the guide links 106 and 107 come into contact with the stopper 110.
6 and 107 rotate about the vertical shafts 106b and 107b, and the rollers 1 at the tip end portions of the guide links 106 and 107.
06c and 107c move in an arc shape to move the groove guides 108,
Push the door 101 through 109, which opens the door 1
01 moves in an arc along the curved portion 104a of the guide rail 104 while maintaining the parallel state with the front wall body 103. After the guide links 106, 107 abut the stopper 110, the rollers 106c, 107c at the tips of the guide links 106, 107 in the stopped state are relatively fitted in the groove-shaped guides 108, 109 of the opening door 101. The door 101 is moved to the straight part 104b of the guide rail 104.
Along the front wall 103 in parallel with the front wall 103 to reach the fully opened state.

[0009]

By the way, according to the above-described conventional front through-opening door, the pivoting movement of the upper and lower guide links 106 and 107 when the opening door 101 is opened and closed is performed by the connecting rod 111 and the universal joint 111a. 11
Although synchronized by 1b, the door opening 101 is tilted in the front-rear direction, that is, a so-called tilting phenomenon, so that the door opening 10
The opening / closing operation of No. 1 is not smooth and there is a problem that opening / closing is extremely difficult.

The present invention has been made in view of the above circumstances, and it is an opening door that opens and closes by the same operation in a limited space equivalent to the conventional one, and the opening and closing operation is extremely smooth and easily opens and closes. The purpose is to provide a front-opening door that can be used for railway vehicles.

[0011]

In order to achieve the above object, a front through-opening door of a railway vehicle according to the present invention is provided on a floor near a front wall of a vehicle body in a direction away from the front wall. In a front through-door opening of a railway vehicle that opens and closes along a lower guide rail that extends in an arc shape and then extends in parallel to the front wall body while maintaining the state of being parallel to the front wall body, at the lower end of the door A plurality of ball casters that roll on the guide rails are provided, and at the middle part of the door, the base end part is slidably engaged with the tip part of the link that rotates around a vertical axis provided on the vehicle body. In addition, the upper end of the door is provided with a linear guide, and this linear guide has a floating link whose one end is movably engaged with an upper guide rail provided on the ceiling of the vehicle body. The end is movably engaged,
This floating link moves with respect to the upper guide rail while being in a fixed position on the linear guide of the opening door until the opening door opens from the closed position to the predetermined position, and the opening door opens. After being opened to a predetermined position, it comes into contact with a stopper provided on the vehicle body to stop, and in that stopped state, it is configured to move relative to the linear guide for opening the door (claim. 1).

Here, in the present invention, there is provided a biasing means for keeping the floating link in a fixed position on the linear guide from the closed state until the door is opened to a predetermined position. (Claim 2) can be preferably adopted.

In the present invention, the behavior of the conventional front through-opening door has been earnestly studied, and the cause of the "flapping" at the time of opening and closing and the difficulty of opening and closing is that the front opening is upright as shown in FIG. The center of gravity is not located directly above the guide rails on the floor but inside the passenger compartment due to the fact that the door is tilted, and the door always tries to fall toward the passenger compartment. The force is applied. Due to the presence of this force, the load acting on the upper and lower guide links when moving along the guide rails on the floor is significantly different, and at the same time, due to the gap between the universal joints, etc. It was made as a result of finding that the upper guide link rattles at the time of opening and closing operation and the door is opened at the three vertical guide positions including the guide rail.

In the present invention, the lower end of the door is guided by the lower guide rail on the floor surface is the same as the conventional one, and the middle part is guided by one guide link having the same structure as the conventional one. However, by guiding the upper end of the door with the upper guide rail provided on the ceiling of the vehicle body with the floating link interposed, the upper guide rail causes the door to open due to the inclination of the door. It receives the force of falling into the passenger compartment and reliably guides the door opening at the lower end, middle and upper ends to make the opening and closing operation smooth.

[0015] Here, the floating link, one end slidably engaged on moths Idoreru provided in the ceiling portion of the vehicle body, the other end is intended to engage slidably Hirakito, In the opening operation of opening the door, the door moves along with the opening while reaching a predetermined position, for example, the end portion of the arc-shaped portion of the lower guide rail, while maintaining a constant position on the linear guide of the opening, After reaching that position, it abuts against a stopper provided on the vehicle body and stops, and the linear guide for opening the door moves relative to the floating link in the stopped state.
Due to this mechanism, it is installed in a limited space on the ceiling of the vehicle body, so it must be shorter than the locus when the door is opened and closed. It is possible to support the upper end of the open door.

According to a second aspect of the present invention, a structure is provided in which a biasing means is provided to keep the floating link at a fixed position on the linear guide of the door until the door opens to a predetermined position. Then, the above-described operation of the floating link can be ensured, and the opening and closing of the door can be smoothly performed.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of an embodiment of the present invention as viewed from the vehicle interior, and FIG. 2 is an AA enlarged sectional view thereof. Further, FIG. 3 is an enlarged sectional view taken along the line D-D in FIG. 1, and FIG.
An enlarged cross-sectional view taken along the plane C is shown in FIG.
3 is an enlarged sectional view taken along the line BB in FIG.

In this example, the front through-opening door 1 (hereinafter,
Like the conventional door, the door 1 is simply opened / closed along a guide rail 4 formed on a portion of the floor surface 2 of the vehicle protruding outward from the front wall body 3. The guide rail 4 is
As in the conventional case, by two curved portions 4a extending in an arc shape in a direction away from the front wall body 3 and one straight portion 4b that joins the two curved portions 4a and extends in parallel to the front wall body 3 It is configured. At the lower end of the door 1, a ball caster 5 rolling along the guide rail 4 is provided as in the conventional case.

One guide link 6 is engaged with the middle portion of the door 1. The guide link 6 in this example has a plate-like shape and has a predetermined length in the up-down direction of the door 1, and its base end portion is provided around the vertical axis 6b by a guide link support member 6a provided on the vehicle body. It is rotatably supported by. A roller 6c, which is rotatable at its upper end and lower end, is provided at the tip of this guide link 6.
The rollers 6c are movably fitted in the upper and lower groove-shaped guides 8a and 8b fixed to the door 1. Further, the guide link 6 is restricted in its pivoting end by a stopper 10 provided on the vehicle body.

Now, the greatest feature of this embodiment is that the straight guide 11 extending horizontally in the upper end portion of the opening door 1.
Is attached, an upper guide rail 13 is provided on the ceiling 12 of the vehicle body, and a floating link 14 that engages with both of these is provided.

As shown in the plan view of FIG. 6, the floating link 14 is provided with a protrusion 14b that protrudes at a right angle from one end of the linear portion 14a, and the protrusion 14b extends parallel to the linear portion 14a. The contact portion 14c is formed. Three rollers 14d are rotatably supported on the linear portion 14a, and a bearing portion b is formed at the tip of the protruding portion 14b. Then, as shown in FIG. 5, a roller receiving member 14e is swingably supported by the bearing portion b, and two rollers 14f are rotatably supported by the roller receiving member 14e.

Each roller 14d at the tip of the protruding portion 14b is
The rollers 14d of the linear portion 14a are fitted into the upper guide rails 13 of the vehicle body ceiling portion 12, and are fitted into the linear guide 11 of the opening door 1. The floating link 14 is biased to the right in FIG. 4 by the tension coil spring 15 provided along the linear guide 11, and as a result, as shown by the solid line in FIG. In the state (state where the door 1 is not opened), the right end of the floating link 14 is in contact with the magnet 16 provided at the right end of the linear guide 11 and is attracted. Further, a stopper 17 is provided on the vehicle body so as to face the contact portion 14c provided on the protruding portion 14b.
Is provided. In FIG. 6, 15a is a metal fitting for hooking one end of the tension coil spring 15.

FIGS. 7 to 10 are explanatory views of the behavior of the floating link 14 when the above-described embodiment of the present invention is opened. Hereinafter, referring to these figures, the operation when the door 1 is opened will be described. explain.

FIG. 7 shows the door 1 in a fully closed state. In this state, the right end of the floating link 14 is in close contact with the magnet 16 of the linear guide 11 by the urging force of the tension coil spring 15 ( Hereinafter, this position is referred to as a fixed position).

At the beginning of opening the door 1, the guide link 6 rotates around the vertical shaft 6b, and the upper and lower two rollers 6c at the tip end thereof respectively have the groove-shaped guides 8 of the door 1.
a, 8b are pressed, whereby the ball caster 5 rolls along the two curved portions 4a of the lower guide rail 4 provided on the floor surface 2 of the vehicle body, and the door 1 is opened by the front wall 3 Moves in an arc while maintaining parallel to. During this time, the floating link 14 maintains a fixed position on the linear guide 11, and the two rollers 14f provided at the tip of the protrusion 14b.
Moves while being guided in the upper guide rail 13 of the vehicle body ceiling portion 12.

As shown in FIG. 8, the open door 1 eventually reaches a position on the opening / closing locus that projects most outwardly from the front wall body 3. In this state, the guide link 6 comes into contact with the stopper 10 and reaches the rotation end thereof. After this state, the door opening 1 moves parallel to the front wall body 3. That is, the guide link 6 is the stopper 1
In the state where the roller 6c at the tip is stopped by abutting on 0,
The groove-shaped guides 8a, 8b of the door 1 move with respect to the roller 6c, and the ball caster 5 moves the linear portion 4 of the lower guide rail 4.
Roll along b. During this time, floating link 1
4 maintains a fixed position on the linear guide 11 of the door 1, and the roller 14f at the tip of the protruding portion 14b of the open door 1 has the upper guide rail 1
The state of moving under the guidance of 3 continues.

As shown in FIG. 9, when the contact portion 14c of the floating link 14 comes into contact with the stopper 17, the floating link 14 stops without following the movement of the door 1 and the linear guide of the door 1 is opened. 11 moves relative to the three rollers 14d provided on the linear portion 14a of the floating link 14 in the stopped state, and reaches the fully closed state shown in FIG.

According to the above operation, the lower end of the door 1 is guided by the lower guide rail 4, the middle part thereof is guided by the guide link 6 having a predetermined length in the vertical direction, and the upper end is floating. Since the upper guide rail 13 is guided through the link 14, even if the door 1 is tilted toward the indoor side instead of vertically, the load due to the tilt is surely secured by the upper guide rail 13 through the floating link 14. Since it is supported, it can be opened and closed extremely smoothly without causing "flapping" unlike the conventional opening of this type.

[0029]

As described above, according to the present invention, the front wall body is provided on the front wall body of the train and moves in an arc shape when opened while keeping the parallel state to the front wall body. By moving in a straight line along the direction, it is considered that the rescue vehicle can be opened and closed without interfering with the rescue vehicle even when the rescue vehicle is approaching. It is supported by the formed lower guide rail, and at the middle part of the door opening, the base end part rotates around the vertical axis, and after reaching the turning end, the groove-shaped guide provided in the door opening. The roller at the tip is supported by a guide link that relatively moves and guides, and the upper end of the door is supported by an upper guide rail provided on the vehicle ceiling via a floating link. This floating link One end side thereof is movably engaged with the vehicle-side upper guide rail and the other end side thereof is movably engaged with the door-opening linear guide, and the door is fixed on the door-opening linear guide until the door reaches a predetermined open state. The upper guide rail provided on the vehicle ceiling part is restricted by space restrictions because it is configured to move with the door open while maintaining the position, and then to stop and guide the linear guide of the door with rollers. Even if it has to be shortened, the load due to the inclination of the door can be supported by the upper guide rail via the floating link from the fully closed state to the fully opened state, and this type of conventional It is now possible to open and close smoothly without the "flapping" that occurs when opening and closing like a front-through door.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention viewed from a vehicle interior.

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

FIG. 3 is an enlarged sectional view taken along the line D-D in FIG.

FIG. 4 is also an enlarged cross-sectional view and operation explanatory view taken along the line C-C in FIG. 1.

FIG. 5 is an enlarged cross-sectional view of the same taken along the plane B-B in FIG. 1.

FIG. 6 is a plan view of the floating link 14 according to the embodiment of the present invention.

FIG. 7 is a behavior explanatory diagram of the floating link 14 according to the embodiment of the present invention, and is a diagram showing a fully closed state of the door 1.

FIG. 8 is also a behavior explanatory view of the floating link 14 according to the embodiment of the present invention, and is a diagram showing a state in which the door 1 is opened to a position most protruding outward from the front wall body 3 on the opening / closing locus. .

FIG. 9 is also a behavior explanatory view of the floating link 14 according to the embodiment of the present invention, and is a diagram showing a state in which the contact portion 14c of the floating link 14 is in contact with the stopper 17.

FIG. 10 is also a behavior explanatory diagram of the floating link 14 according to the embodiment of the present invention, and is a diagram showing a fully opened state of the door 1.

FIG. 11 is a front view seen from the inside of a vehicle with a conventional front through-open door.

12 is an enlarged cross-sectional view taken along the line AA of FIG.

13 is an enlarged sectional view taken along the B-B plane of FIG. 11.

FIG. 14 is an enlarged cross-sectional view similarly cut along the C-C plane of FIG. 10.

15 is a D-D enlarged sectional view of FIG. 13.

─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Masakazu Arima 3-9-60 Inada Shinmachi, Higashi-Osaka City, Osaka Prefecture KES Design Co., Ltd. (72) Kenji Isomi 3-9 Inada Shinmachi, Higashi-Osaka City, Osaka Prefecture No. 60 in Kaesu Design Co., Ltd. (56) Reference JP-A-55-140646 (JP, A) JP-A-64-70260 (JP, A) JP-A-4-228360 (JP, A) JP-A-2 -258466 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) B61D 19/00

Claims (2)

(57) [Claims] 1. A front wall body on a floor surface near the front wall body of a vehicle body along a lower guide rail that extends in a circular arc shape in a direction away from the front wall body and then extends parallel to the front wall body. In the front through-door opening of a railway vehicle that opens and closes while maintaining a parallel state with the above, a plurality of ball casters rolling on the lower guide rails are provided at the lower end of the opening, and the base of the opening at the middle The ends of the links that rotate around a vertical axis provided on the vehicle body are slidably engaged, and a linear guide is provided at the upper end of the door. , One end of which is movably engaged with an upper guide rail provided on the ceiling of the vehicle body, and the other end of which is movably engaged with the floating link. Until the door is opened, It moves with respect to the upper guide rail in a state where it is in a fixed position on the door, and after the door opens to a predetermined position, it comes into contact with a stopper provided on the vehicle body and stops. A front through-opening door of a railway vehicle, which is configured to move relative to a linear guide for opening the door. 2. A urging means for keeping the floating link in a fixed position on the linear guide during a period from when the door is closed to when it is opened to a predetermined position. The front penetration door opening of the railway vehicle according to Item 1.