JP7032185B2 - Airtightness holding device for side sliding doors - Google Patents

Description

The present invention relates to an airtightness-maintaining device for a side sliding door, and more particularly to an airtightness-maintaining device for a side sliding door that keeps the inside of a vehicle airtight by pressing the side sliding door at a closed position against a side structure in a high-speed railway vehicle.

Generally, the side sliding doors of high-speed railway vehicles are fixed by pressing the side sliding doors in the closed position against the side structure in order to maintain the airtightness inside the vehicle. For example, Patent Document 1 discloses an airtightness-maintaining device for a side sliding door that maintains airtightness in a vehicle by pressing a door (side sliding door) in a closed position toward an airtight packing side attached to an entrance / exit peripheral edge of a side structure. ing.

As shown in FIGS. 4 and 5, the airtightness holding device 100 includes a cylinder device 103 that operates by receiving fluid pressure, and a link member that rotates by the operation of the cylinder device 103 to press the side sliding door 101. A base of the link member 104 is rotatably supported by the shaft, and the link member 104 extends outward from the base and presses the side sliding door 101 toward the airtight packing 102a of the side structure 102 at the extended end. It has a part 105. Further, the pressing portion 105 is formed so that the position near the maximum protruding rotation position or the maximum protruding rotation position in the side sliding door pressing direction due to the rotation of the link member 104 is the airtight action position. ..

Further, when the side sliding door 101 is closed, the side sliding door 101 is moved from the open position 101a in the door pocket 109 of the side structure 102 to the intermediate position 101b indicated by the virtual line by the door opening / closing device (not shown) in the direction indicated by the arrow 106. Then, it is guided by the guide portion and moves to the closed position 101c which is slanted in the direction indicated by the arrow 107. After that, the holding portion 105 pushes the side sliding door 101 at the closed position 101c to pass through the dead center position where the airtight packing 102a is compressed, and the side sliding door 101 becomes the closed position 101d. Therefore, the holding portion 105 of the link member 104 installed on the peripheral edge portion 108 of the entrance / exit has a structure in which the holding portion 105 enters / exits from the opening edge 108a.

Japanese Unexamined Patent Publication No. 9-11895

However, the airtightness holding device 100 is installed at the peripheral edge portion 108 of the entrance / exit of the railroad vehicle where passengers frequently enter and exit, and the holding portion 105 of the link member 104 passes through the side sliding door 101 at the open position 101a to the closed position. Since the structure is such that the vehicle enters and exits from the opening edge 108a having an opening of a movable size, it is necessary to take sufficient safety measures for passengers.

The present invention has been made to solve such a problem, and is a link entering and exiting from an opening edge in an airtight holding device for a side sliding door provided with a link member that rotates by the operation of a cylinder device to press the side sliding door. The purpose is to improve the safety of the members to passengers.

In order to achieve the above object, the airtightness maintaining device for the side sliding door according to the present invention has the following configuration.
(1) A cylinder device that is installed in the peripheral edge of an entrance that is opened in the side structure of a railway vehicle and is opened and closed by a side sliding door, and operates by receiving fluid pressure, and a cylinder device that rotates and closes in and out of the vehicle by the operation of the cylinder device. An airtight holding device for a side sliding door provided with a link member for pressing the side sliding door at a position into a close contact position with an airtight packing member attached to the doorway.
The link member includes a roller member that appears and disappears from an opening edge located on the outer side of the vehicle at the peripheral portion to press the side sliding door, and extends from the tip portion to which the roller member is mounted toward the rotation center portion. It is characterized in that a front restricting portion is formed so as to be provided and project from the outer peripheral surface of the roller member toward the front in the rotation direction. Here, "forward in the rotation direction" means the direction in which the link member rotates when the roller member presses the side sliding door in the closed position to the close contact position.

In the present invention, the link member is provided with a roller member that appears and disappears from the opening edge located on the outer side of the vehicle at the peripheral portion to press the side sliding door, and the rotation center portion side from the tip portion to which the roller member is mounted. Since a front restricting portion is formed that extends forward from the outer peripheral surface of the roller member and protrudes forward in the rotation direction, the link member rotates outward of the vehicle and is closed by the roller member. If foreign matter is present in the vicinity of the operation of the roller member that appears and disappears from the opening edge when the foreign matter is pressed to the close contact position, the front regulating portion can remove the foreign matter in advance before the roller member approaches. For example, even if a passenger inserts a hand, a finger, or the like into the gap between the opening edge and the side sliding door, the front restricting portion that protrudes forward from the outer peripheral surface of the roller member in the rotation direction precedes the roller member. It pushes away passengers' hands and fingers. Therefore, even when a foreign object (for example, a passenger's hand or finger) is inserted between the opening edge and the side sliding door, it is possible to avoid a situation in which the roller member pinches the foreign object.

Therefore, according to the present invention, in the airtightness maintaining device of the side sliding door provided with the link member that rotates by the operation of the cylinder device and presses the side sliding door, the safety of the link member entering and exiting from the opening edge is enhanced. be able to.

(2) In the airtightness maintaining device for the side sliding door described in (1),
The front regulation portion is provided with an upper regulation surface formed in an inclined shape from the mountain-shaped top protruding in a mountain shape toward the end near the center of rotation, and the upper regulation surface and the opening edge are in the close contact position. The internal angle of the eggplant is 90 degrees or more.

In the present invention, the front regulation portion is provided with an upper regulation surface formed in an inclined shape from the mountain-shaped top protruding in a mountain shape toward the end near the center of rotation, and the upper regulation surface and the opening edge are formed. Since the internal angle formed at the close contact position is 90 degrees or more, even if a foreign object (for example, a passenger's hand or finger) is inserted between the opening edge and the side sliding door, the upper regulation surface and the opening of the front regulation portion are opened. The internal angle formed by the edge is not an acute angle. Therefore, it is possible to avoid a situation in which a foreign object is caught between the upper regulation surface of the front regulation portion and the opening edge.

(3) In the airtightness maintaining device for the side sliding door according to (1) or (2).
The link member is characterized in that a rear restricting portion is formed which extends from the tip portion toward the rotation center portion and protrudes from the rear end surface of the link member toward the rear in the rotation direction. .. Here, "rearward in the rotation direction" means the direction in which the link member rotates when the roller member presses and releases the side sliding door in the close contact position.

In the present invention, the link member is formed with a rear restricting portion that extends from the tip end portion toward the rotation center portion and protrudes rearward in the rotation direction from the rear end surface of the link member. Rotates inward of the vehicle to release the pressing of the side sliding door in close contact position. If foreign matter is present near the operation of the link member, the rear regulating unit removes the foreign matter in advance before the link member approaches. Can be made to. For example, even if a passenger inserts a hand, a finger, or the like into the gap between the opening edge and the side sliding door, the rear regulating portion that protrudes in a curved shape from the rear end surface of the link member toward the rear in the rotation direction is linked. It pushes away passengers' hands and fingers ahead of the members. Therefore, even when a foreign object (for example, a passenger's hand or finger) is inserted between the opening edge and the side sliding door, it is possible to avoid a situation in which the foreign object is caught between the link member and the opening edge.

According to the present invention, in an airtightness-maintaining device for a side sliding door provided with a link member that rotates by the operation of the cylinder device to press the side sliding door, it is possible to enhance the safety of the link member entering and exiting from the opening edge to passengers. can.

It is a cross-sectional view of the airtightness holding device of the side sliding door which concerns on embodiment of this invention. FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. It is an operation explanatory view of the airtightness holding device of the side sliding door shown in FIG. A cross-sectional view showing a state in which the roller member is in contact with the side sliding door in the closed position is shown, and (C) shows a cross-sectional view showing a state in which the side sliding door pressed by the roller member is moving to the outside of the vehicle. (D) shows a cross-sectional view showing a state in which the side sliding door pressed by the roller member has moved to a close contact position in close contact with the airtight packing member. It is a vertical sectional view of the airtightness holding device of the side sliding door described in Patent Document 1. FIG. 4 is a sectional view taken along the line BB shown in FIG.

Next, the airtightness maintaining device for the side sliding door according to the embodiment of the present invention will be described in detail with reference to the drawings. Specifically, after explaining the structure of the airtightness maintaining device for the side sliding door according to the present embodiment, the operation method thereof will be briefly described.

<Structure of airtightness maintaining device for side sliding door>
First, the structure of the airtightness maintaining device for the side sliding door according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 shows a cross-sectional view of an airtightness maintaining device for a side sliding door according to an embodiment of the present invention. FIG. 2 shows a sectional view taken along the line AA shown in FIG.

As shown in FIGS. 1 and 2, the airtightness maintaining device 10 for the side sliding door according to the present embodiment is installed in the peripheral edge portion 4 of the doorway 3 which is opened in the side structure 1 of the railway vehicle S and opened and closed by the side sliding door 2. A close contact position where the cylinder device 5 that operates by receiving fluid pressure and the side sliding door 2 that rotates in and out of the vehicle by the operation of the cylinder device 5 and is in the closed position 2a are brought into close contact with the airtight packing member 61 attached to the doorway 3. It includes a link member 7 that presses against 2b. The cylinder device 5 operates when the railroad vehicle S reaches a predetermined speed (for example, about 25 km / h) after the train departs, rotates the link member 7 outward of the vehicle, and brings the side sliding door 2 into close contact position 2b. Press on. Further, the cylinder device 5 operates when the railway vehicle S is completely stopped to rotate the link member 7 inward of the vehicle, and releases the side sliding door 2 from the close contact position 2b.

When closing the side sliding door 2, the side sliding door 2 moves from the opening position 2c in the door pocket 11 of the side structure 1 to the closing position 2a that closes the doorway 3 by a door opening / closing device (not shown), and the side structure end of the doorway 3. It comes into contact with the stop member 62 fixed to the edge 12 and stops. The airtight packing member 61 is a rubber member having a hollow portion. In the cylinder device 5, the rod 51 is operated in the vertical direction of the vehicle by compressed air, and the working portion 73 of the link member 7 is connected to the tip end portion of the rod 51. A plurality of cylinder devices 5 and link members 7 are arranged vertically corresponding to the front end side and the rear end side of the side sliding door 2, and rotate around the frame member 42 of the side structure 1 formed in the peripheral edge portion 4, respectively. It is supported freely. When the side sliding door 2 is in the open position 2c, the tip end portion 71 of the link member 7 is housed in the peripheral edge portion 4.

Further, the link member 7 is provided with a roller member 8 that appears and disappears from the opening edge 41 located outside the vehicle of the peripheral edge portion 4 to press the side sliding door 2, and is rotated from the tip portion 71 to which the roller member 8 is mounted. A front restricting portion 74 extending toward the moving center portion 72 side and projecting in a mountain shape from the outer peripheral surface of the roller member 8 toward the front R1 in the rotation direction is formed. Here, "forward in the rotation direction" means the direction in which the link member 7 rotates when the roller member 8 presses the side sliding door 2 at the closed position 2a to the close contact position 2b. The opening edge 41 is formed with a through hole 411 through which the link member 7 on which the roller member 8 and the front restricting portion 74 are formed passes. A pickpocket plate 21 is fixed to the inner surface of the vehicle of the side sliding door 2 pressed by the roller member 8.

The front regulating portion 74 is provided with an upper regulating surface 743 formed in an inclined shape from the mountain-shaped top portion 741 protruding in a mountain shape toward the end portion 742 near the center of rotation, and the upper regulating surface 743 and the roller member 8 appear and disappear. The internal angle α0 (α) formed by the opening edge 41 at the close contact position 2b of the side sliding door 2 is 90 degrees or more. Further, the front regulation portion 74 is provided with a lower regulation surface 744 formed so as to be inclined in a direction opposite to the upper regulation surface 743 with respect to the chevron top 741. Further, at the close contact position 2b, the roller member 8 is on the vertical line TL passing through the rotation center portion 72 of the link member 7 with respect to the pickpocket plate 21 of the side sliding door 2 or within a range of a minute inclination angle θ with the vertical line TL. There is a central position for. The inclination angle θ is preferably, for example, about 2 to 3 degrees.

Further, the link member 7 is formed with a rear restricting portion 75 extending from the tip portion 71 toward the rotation center portion 72 and projecting curvedly from the rear end surface 76 of the link member 7 toward the rear R2 in the rotation direction. Has been done. Here, "rearward in the rotation direction" means the direction in which the link member 7 rotates when the roller member 8 presses and releases the side sliding door 2 at the close contact position 2b. The internal angle β0 (β) formed by the tangent line 752 in contact with the curved surface at the tip position 751 of the rear regulating portion 75 and the opening edge 41 at the close contact position 2b of the side sliding door 2 is 90 degrees or more. Further, it is preferable that the internal angle β1 formed when the rear regulating portion 75 goes out from the opening edge 41 does not become less than 90 degrees (see FIG. 3C). This is because it is possible to avoid pinching foreign matter or the like during the return operation of the link member 7.

<How to operate the airtightness holding device for the side sliding door>
Next, an operation method of the airtightness maintaining device for the side sliding door according to the present embodiment will be described with reference to FIG. 3A and 3B are operation explanatory views of the airtightness holding device of the side sliding door shown in FIG. 1, in which FIG. 3A shows a cross-sectional view showing a retracted state before the link member operates, and FIG. A cross-sectional view showing a state in which the roller member is rotated and in contact with the side sliding door in the closed position is shown, and FIG. FIG. 6D shows a cross-sectional view showing a state in which the side sliding door pressed by the roller member has moved to a close contact position in close contact with the airtight packing member.

As shown in FIG. 3A, in the retracted state before the link member 7 is operated, the front regulation is such that the link member 7 projects in a mountain shape from the outer peripheral surface of the roller member 8 and the outer peripheral surface of the roller member 8 toward the front in the rotation direction. The portion 74 is housed inside the opening edge 41 located on the outer side of the vehicle on the peripheral portion 4. In this state, the internal angle α3 (α) formed by the upper regulation surface 743 of the front regulation portion 74 and the opening edge 41 is about 150 degrees.

Next, as shown in FIG. 3B, the link member 7 rotates and the roller member 8 moves to a state where it comes into contact with the pickpocket plate 21 of the side sliding door 2 at the closed position 2a. At this time, the lower regulation surface 744 of the front regulation portion 74 moves at substantially the same position as the opening edge 41 so as to be substantially parallel to the pickpocket plate 21. At this stage, the upper regulation surface 743 of the front regulation portion 74 has not yet protruded to the outside of the vehicle of the opening edge 41, but the internal angle α2 (α) formed by the upper regulation surface 743 and the opening edge 41 is approximately 130 degrees. Degree.

Next, as shown in FIG. 3C, when the link member 7 further rotates, the side sliding door 2 pressed by the roller member 8 moves to the outside of the vehicle. At this time, since the upper regulation surface 743 of the front regulation portion 74 is located forward in the rotation direction from the outer peripheral surface of the roller member 8, if there is a foreign substance between the opening edge 41 and the side sliding door 2, the upper regulation surface 743 is regulated. The surface 743 can push away foreign matter in advance. Further, the internal angle α1 (α) formed by the upper regulation surface 743 of the front regulation portion 74 and the opening edge 41 is about 110 degrees. The internal angle β1 (β) formed by the tangent line 752 in contact with the curved surface at the tip position 751 of the rear regulating portion 75 and the opening edge 41 when the rear regulating portion 75 goes out from the opening edge 41 is less than 90 degrees. It is formed so as not to become. Therefore, it is possible to avoid pinching foreign matter or the like during the return operation of the link member 7.

Next, as shown in FIG. 3D, when the link member 7 further rotates, the side sliding door 2 pressed by the roller member 8 moves to the close contact position 2b in close contact with the airtight packing member 61 shown in FIG. do. At the close contact position 2b of the side sliding door 2, the internal angle α0 (α) formed by the upper regulation surface 743 and the opening edge 41 is at least 90 degrees or more. Therefore, even if a foreign object (for example, a passenger's hand or finger) is inserted between the opening edge 41 and the side sliding door 2, the foreign object is sandwiched between the upper regulating surface 743 of the front regulating portion 74 and the opening edge 41. You can avoid that. The internal angle β0 (β) formed by the tangent line 752 in contact with the curved surface at the tip position 751 of the rear regulating portion 75 and the opening edge 41 at the close contact position 2b of the side sliding door 2 is about 110 degrees.

As described above, in the airtightness maintaining device 10 for the side sliding door according to the present embodiment, when the link member 7 rotates and the roller member 8 presses the side sliding door 2 at the closed position 2a to the close contact position 2b. When a foreign substance is present in the vicinity of the operation of the roller member 8 that appears and disappears from the opening edge 41, the front regulating portion 74 can remove the foreign substance in advance before the roller member 8 approaches. Further, when the link member 7 rotates to release the pressing of the side sliding door 2 at the close contact position 2b, even if a foreign substance is present near the operation of the link member 7, before the rear end surface 76 of the link member 7 approaches. The rear regulating unit 75 can eliminate foreign matter in advance.

<Action effect>
According to the airtightness maintaining device 10 for the side sliding door according to the present embodiment described in detail above, the link member 7 appears and disappears from the opening edge 41 located on the outer side of the vehicle of the peripheral edge portion 4 to press the side sliding door 2. The roller member 8 is provided, and extends from the tip portion 71 to which the roller member 8 is mounted toward the rotation center portion 72, and protrudes in a mountain shape from the outer peripheral surface of the roller member 8 toward the front R1 in the rotation direction. Since the front restricting portion 74 is formed, when the link member 7 rotates and the roller member 8 presses the side sliding door 2 at the closed position 2a to the close contact position 2b, the roller member 8 that appears and disappears from the opening edge 41. When the foreign matter is present in the vicinity of the operation, the front regulating portion 74 can remove the foreign matter in advance before the roller member 8 approaches. For example, even if a passenger inserts a hand, a finger, or the like into the gap between the opening edge 41 and the side sliding door 2, the front regulation that projects in a mountain shape from the outer peripheral surface of the roller member 8 toward the front R1 in the rotation direction. The unit 74 pushes away the passenger's hand, finger, or the like in advance of the roller member 8. Therefore, even when a foreign substance (for example, a passenger's hand or finger) is inserted between the opening edge 41 and the side sliding door 2, it is possible to avoid a situation in which the roller member 8 sandwiches the foreign substance.

Therefore, according to the present embodiment, in the airtightness maintaining device 10 of the side sliding door provided with the link member 7 which is rotated by the operation of the cylinder device 5 to press the side sliding door 2, the link member 7 entering and exiting from the opening edge 41 It is possible to increase the safety for passengers.

Further, according to the present embodiment, the front regulation portion 74 is provided with an upper regulation surface 743 formed in an inclined shape from the chevron top portion 741 toward the end portion 742 near the center of rotation, and the upper regulation surface 743 and the opening thereof are provided. Since the internal angle α0 formed by the edge 41 at the close contact position 2b is 90 degrees or more, the internal angle α formed by the upper regulation surface 743 of the front regulation portion 74 and the opening edge 41 does not become an acute angle. Therefore, even when a foreign substance (for example, a passenger's hand or finger) is inserted between the opening edge 41 and the side sliding door 2, the foreign substance is also inserted between the upper regulating surface 743 of the front regulating portion 74 and the opening edge 41. It is possible to avoid the situation of being pinched.

Further, according to the present embodiment, the link member 7 extends from the tip portion 71 toward the rotation center portion 72, and protrudes from the rear end surface 76 of the link member 7 in a curved shape toward the rear R2 in the rotation direction. Since the rear regulating portion 75 is formed, when the link member 7 rotates to release the pressing of the side sliding door 2 at the close contact position 2b, if a foreign substance is present in the vicinity of the operation of the link member 7, the link member 7 is formed. The rear control unit 75 can remove the foreign matter in advance before the vehicle approaches. For example, even if a passenger inserts a hand, a finger, or the like into the gap between the opening edge 41 and the side sliding door 2, the rear end surface 76 of the link member 7 projects rearward in a curved manner toward the rear R2 in the rotation direction. The regulation unit 75 pushes away the passenger's hands, fingers, etc. in advance of the link member 7. Therefore, even when a foreign object (for example, a passenger's hand or finger) is inserted between the opening edge 41 and the side sliding door 2, it is possible to avoid a situation in which the foreign object is caught between the link member 7 and the opening edge 41. be able to.

<Modification example>
Although the airtightness maintaining device 10 for the side sliding door of the present embodiment has been described in detail above, the present invention is not limited to this, and various changes can be made without departing from the spirit of the present invention. For example, in the airtightness maintaining device 10 for the side sliding door of the present embodiment, the link member 7 is formed with a front restricting portion 74 that protrudes in a mountain shape from the outer peripheral surface of the roller member 8 toward the front in the rotation direction, and the link. A rear regulating portion 75 is formed so as to project in a curved shape from the rear end surface 76 of the member 7 toward the rear in the rotation direction. However, the front regulation unit 74 and the rear regulation unit 75 do not have to be limited to the above-mentioned shape. For example, the front regulating portion 74 and the rear regulating portion 75 may be formed so as to project in an arc shape.

INDUSTRIAL APPLICABILITY The present invention can be used, for example, as an airtightness-maintaining device for a side sliding door that keeps the inside of the vehicle airtight by pressing the side sliding door at a closed position in a high-speed railway vehicle against a side structure.

1 Side structure 2 Side sliding door 2a Closed position 2b Close contact position 3 Doorway 4 Peripheral part 5 Cylinder device 7 Link member 8 Roller member 10 Airtight holding device 41 Opening edge 61 Airtight packing member 71 Tip part 72 Rotation center part 74 Front regulation part 75 Rear regulation part 76 Rear end surface 741 Yamagata top 742 Rotation center side end 743 Top regulation surface S Railroad vehicle R1 Rotation direction front R2 Rotation direction rear α, α0, α1, α2 Internal angle

Claims (3)

A cylinder device that is installed in the peripheral edge of an entrance that is opened in the side structure of a railway vehicle and is opened and closed by a side sliding door, and operates by receiving fluid pressure, and a cylinder device that rotates in and out of the vehicle by the operation of the cylinder device and is in a closed position. An airtight holding device for a side sliding door provided with a link member for pressing the side sliding door into a close contact position with the airtight packing member attached to the doorway.
The link member includes a roller member that appears and disappears from an opening edge located on the outer side of the vehicle at the peripheral portion to press the side sliding door, and extends from the tip portion to which the roller member is mounted toward the rotation center portion. An airtightness-maintaining device for a side sliding door, which is provided and has a front restricting portion that protrudes forward in the rotation direction from the outer peripheral surface of the roller member. In the airtightness maintaining device for the side sliding door according to claim 1,
The front regulation portion is provided with an upper regulation surface formed in an inclined shape from the mountain-shaped top protruding in a mountain shape toward the end near the center of rotation, and the upper regulation surface and the opening edge are in the close contact position. An airtight holding device for side sliding doors, characterized in that the inner angle of the eggplant is 90 degrees or more. In the airtightness maintaining device for the side sliding door according to claim 1 or 2.
The link member is characterized in that a rear restricting portion is formed which extends from the tip portion toward the rotation center portion and protrudes from the rear end surface of the link member toward the rear in the rotation direction. Airtightness holding device for side sliding doors.

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