JP2017133225A - Installation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation device capable of installing a member such as a vehicular emergency ladder in a doorway part of an optional vehicle.SOLUTION: An installation device 1 capable of removably installing a member in a doorway part 8 of a vehicle, comprises a body part 3 having a first engaging part for engaging with a lower part of the doorway part 8 and a movable part 4 expandably provided to the body part 3 on the opposite side of the first engaging part 5a in the body part 3 and having a second engaging part 16a for engaging with an upper part of the doorway part, and the movable part 4 is extended to the body part by rotating an operation part 21 in the predetermined direction X1 and Y1, and the operation part 21 is restrained in rotation to the opposite side direction X2 and Y2 by a restraint part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an attachment device, and more particularly to an attachment device for a vehicle entrance / exit part of a railway vehicle or the like.

  A high-floor vehicle such as a railway vehicle has a large height from the road floor to the floor of the vehicle entrance and exit, and it is difficult for the occupant to go directly out of the vehicle from the entrance to the passenger compartment when the vehicle stops in an emergency. Therefore, a vehicle emergency ladder has been developed in order to safely get off the passenger.

  Conventionally, as an emergency ladder for a vehicle, a step platform is stored in a storage box provided at the bottom of the vehicle body so that it can be taken in and out, and when used, the step platform is pulled out from the storage box so as to protrude from the side of the vehicle body. There is known a construction in which an emergency ladder is attached and a vehicle ladder is installed (see Patent Document 1).

JP2014-202037

  However, the platform is not provided at all entrances / exits of the vehicle, and the platform is often provided only at one entrance / exit in the vehicle.

  For this reason, it has been impossible to attach a vehicle emergency ladder at any entrance depending on the situation outside the vehicle where the vehicle stopped.

  Then, an object of this invention is to provide the attachment apparatus which can attach the emergency ladder for vehicles etc. to the entrance / exit part of the vehicle which is arbitrary entrances / exits.

In order to solve the above problems, the invention according to claim 1 is an attachment device capable of detachably attaching a member to an entrance / exit portion of a vehicle,
A main body portion having a first engaging portion that engages with a lower portion of the inlet / outlet portion, and provided on the opposite side of the main body portion to the first engaging portion so as to be extendable / contractible with respect to the main body portion, and the inlet / outlet portion A movable portion having a second engagement portion that engages with the upper portion of
By rotating the operation part in a predetermined direction, the movable part is extended with respect to the main body part,
The operation unit is characterized in that the rotation in the direction opposite to the predetermined direction is suppressed by the suppression unit.

  According to a second aspect of the present invention, in the first aspect of the present invention, the operation portion is provided so as to be removable from the main body portion, and the operation portion is detached from the main body portion, whereby the movable portion becomes the main body portion. It is characterized in that it can be shrunk against.

  The invention according to claim 3 is characterized in that, in the invention according to claim 1 or 2, the vehicle emergency ladder can be removably attached to the entrance / exit part of the vehicle by using the attachment device. To do.

  The invention according to claim 4 is characterized in that, in the invention according to claim 1 or 2, the work table or ladder can be removably attached to the entrance / exit part of the vehicle using the attachment device. It is what.

  According to the present invention, the movable portion is extended with respect to the main body portion by rotating the operation portion in a predetermined direction, and the operation portion is prevented from rotating in the other direction by the suppressing portion. By doing so, the attachment device can be attached to an arbitrary entrance / exit part of the vehicle.

The front view which shows the state which installed the emergency ladder for vehicles using the attachment apparatus which concerns on Example 1 of this invention. Partial sectional view of the left side of FIG. The principal part enlarged view which shows the non-use state of the attachment apparatus which concerns on Example 1 of this invention. The figure of the state which lifted the movable part from the state of FIG. The principal part enlarged view which shows the use condition of the attachment apparatus which concerns on Example 1 of this invention. FIG. 6 is a partial longitudinal sectional view of FIG. 5. The principal part sectional drawing of the side frame which concerns on a main-body part. The side view of the operation part used for Example 1 of this invention. The front view of FIG. The left view which shows the state which installed the emergency ladder for vehicles using the attachment apparatus which concerns on Example 2 of this invention. The side view of an example of the attachment apparatus which concerns on Example 3 of this invention. The side view of the other example of the attachment apparatus which concerns on Example 3 of this invention.

  An embodiment for carrying out the present invention will be described with reference to the drawings.

[Example 1]
1 to 9 show a first embodiment of the present invention.

  FIG. 1 is a front view showing an example of a state in which an emergency ladder 2 for a vehicle is installed using the mounting device 1 according to the first embodiment, and FIG. 2 is a left side view in which a part thereof is a partial cross section. In the following description, the entrance / exit 8 side, that is, the right side in FIG. 2 is front A, the left side is rear B, the right side in FIG. 1 is right C, and the left side is left D.

  As shown in FIGS. 1 and 2, the attachment device 1 includes a main body portion 3 and a movable portion 4.

  As shown in FIG. 1, the main body 3 has a pair of left and right side frames 5, 5, and is provided at the lower end of each side frame 5 at a lower portion of an entrance 8 that is an entrance / exit of the vehicle 7. A first engaging portion 5a that engages with the first engaged portion 8a is provided.

  The axial length of the side frame 5 is set to be shorter than the vertical length of the entrance 8. The shape and the like of the side frame 5 can be arbitrarily set, but in this embodiment, the cross section is formed in a square shape with a hollow tube having an open top and bottom.

  Further, any member of the vehicle 7 can be used as the first engaged portion 8a of the entrance 8 and the first engaging portion 5a can be shaped to engage with the first engaged portion 8a. In this embodiment, as the first engaged portion 8a, a lower rail that guides an opening / closing door that opens and closes the entrance 8 is used, and the first engaging portion 5a that engages with the lower rail is provided on the lower side. It was formed with a concave groove that could be removably fitted to the rail from above.

  As shown in FIG. 6, a mounting hole 9 penetrating in the front-rear direction is provided at the upper end of the side frame 5. Further, a second mounting hole 10 penetrating in the front-rear direction is provided below the mounting hole 9.

  As shown in FIGS. 1 and 2, a mounting piece 11 that protrudes outward is provided at the lower end of each side frame 5, and a rotating shaft 12 a is provided between the left and right mounting pieces 11 and 11 in the left-right direction. Is provided. A step 12 is provided on the rotary shaft 12a so as to be pivotable in the vertical direction, so that the step 12 can rise and fall in a standing state indicated by a two-dot chain line in FIG. 2 and a lying state indicated by a solid line.

  Further, when the step 12 is laid down, a part of the step 12 comes into contact with the outer surface 7a of the lower part of the entrance 8 in the vehicle 7 so that the step 12 can be held in a lying state. .

  The step 12 is provided with engagement grooves (not shown) at the front A side, right C side, and left D side of the step 12 in the lying state, and the vehicle emergency ladder 2 is provided in the engagement grooves. The upper end of the can be removably attached. 1 and 2, a state 2A in which the vehicle emergency ladder 2 is attached to the left D side of the step 12 is indicated by a solid line, a state 2B in which the vehicle emergency ladder 2 is attached to the front A side of the step 12 is indicated by a broken line, The state 2C attached to the side is indicated by a one-dot chain line.

  As shown in FIG. 1, the movable portion 4 includes a pair of left and right side frames 15, 15 and an upper frame 16 that is installed and fixed between one end of each of the side frames 15, 15. As shown in FIG. 6, the side frame 15 has a hollow portion 15 a formed therein, and an upper end portion of the side frame 5 of the main body portion 3 is slidably inserted into the hollow portion 15 a, and both side frames of the movable portion 4 are inserted. 15 and 15 are provided to be extendable with respect to both side frames 5 and 5 of the main body 3.

  The upper frame 16 is provided with a second engagement portion 16a. Although any member of the vehicle 7 is used as the second engaged portion 8b, the second engaging portion 16a can be formed in any shape that can be engaged with the second engaged portion 8b. In the example, as the second engaged portion 8b, a cam provided at the upper part of the entrance 8 is used, and the second engaging portion 16a that engages with the cam as shown in FIG. The vertical cross-section of the opening was formed in a U-shape. Further, as shown in FIG. 1, a cushion material 16b is fixed inside the second engagement portion 16a.

  As shown in FIGS. 3 to 6, the side frame 15 of the movable portion 4 is provided with a long hole 17 that penetrates in the front-rear direction and is long in the axial direction of the side frame 15. The length of the long hole 17 in the short direction and the diameter of the mounting hole 9 of the side frame 5 are set to be substantially the same.

  In the hollow part 5a of the side frame 5 of the main body part 3, as shown in FIGS. 6 and 7, the suppressing part 20 is fixedly provided on the rear inner wall surface. As shown in FIG. 7, the restraining part 20 is provided with an operation hole 20a penetrating in the front-rear direction, and an engaging member 20b is rotatably provided inside the restraining part 20 around the operation hole 20a. The inner part of the member 20b protrudes into the operation hole 20a. The inner peripheral shape of the engaging member 20b is formed in a shape that can be engaged with the outer periphery of the engaging portion 28 of the operation portion 21 described later, and in this embodiment, it is formed in a hexagonal shape.

  The restraining portion 20 provided on the right side frame 5 has an engaging structure 20b in the clockwise direction (predetermined direction) X1 as shown in FIGS. Although it can be turned, if it is made to turn in the counterclockwise direction X2 direction which is the opposite direction, the rotation will be suppressed.

  Further, the restraining portion 20 provided on the left side frame 5 can rotate the engaging member 20b counterclockwise (predetermined direction) Y1 by an internal structure such as a ratchet mechanism (not shown). When it is attempted to rotate in the clockwise direction Y2 which is the opposite direction, the rotation is suppressed.

  As described above, the engaging member 20b of the suppressing portion 20 can be rotated only in the predetermined directions X1 and Y1, and the rotation is suppressed when attempting to rotate in the opposite directions X2 and Y2. Yes.

  A projecting piece 24 is fixed on the front surface of the side frame 15 of the movable portion 4. As shown in FIG. 4, the inner portion 25 a of the engaged surface 25 provided on the lower surface of the projecting piece 24 is formed by an arcuate arc surface 25 a centering on the outer upper portion, and the outer portion of the lower end surface is the outer side. It is formed with a tapered surface 25b that goes downward as it goes to the arc, and the arcuate surface 25a and the tapered surface 25b have a series of continuous shapes.

  The operation part 21 is substantially orthogonal to the axis of the insertion part 26, the insertion part 26 that can be inserted into and removed from the elongated hole 17 of the side frame 15 in the movable part 4, the attachment hole 9 of the side frame 5 in the main body part 3. The handle portion 27 is bent at the end. An engaging portion 28 is formed at the tip of the insertion portion 26, and a guide portion 26a having a diameter reduced toward the tip is formed at the tip. The outer peripheral shape of the engaging portion 28 is formed in a shape that can be engaged with the inner peripheral surface of the engaging member 20b in the suppressing portion 20, and is formed in a hexagonal shape in this embodiment.

  As shown in FIGS. 8 and 9, the insertion piece 26 is fixedly provided with an engagement piece 29 protruding outward in a direction perpendicular to the axis of the insertion part 26. 27 is formed to be substantially parallel to the axial direction of 27 and to protrude long in the direction opposite to the handle portion 27 side, and its tip portion 29a is formed as an arc surface.

  The operation unit 21 is connected to an arbitrary place of the main body unit 3 through the wire 30.

  Next, the installation method of the attachment apparatus 1 is demonstrated.

  When not in use, as shown in FIG. 3, the movable part 4 is in the most contracted state with respect to the main body part 3, and in this state, the second mounting hole 10 of the main body part 3 and the length of the movable part 4 The holes 17 are arranged at substantially the same position. The contraction state of the movable portion 4 can be maintained by inserting the operation portion 21 through the second mounting hole 10 and the long hole 17.

  When it is desired to use the attachment device 1, first, the attachment device 1 is carried to the entrance 8 where the vehicle emergency ladder 2 is to be installed, and the first engagement portion 5 a of the main body 3 is moved to the first engaged portion of the vehicle 7. The main body 3 is erected at a substantially central portion of the entrance 8 so as to engage with the portion 8a.

  Next, after removing the left and right operation parts 21, the movable part 4 is extended upward as shown in FIG. 4, and as shown in FIG. After the positions of the mounting holes 9 are matched, the insertion portion 26 of the operation portion 21 is inserted into the elongated hole 17 and the mounting hole 9 as shown in FIG. In addition, the engagement piece 29 is inserted so as to be substantially horizontal until the engagement piece 29 contacts the side frame 15.

  Next, when the handle portions 27 and 27 of the left and right operation portions 21 and 21 are rotated in the lower direction, which is the direction of the arrows X1 and Y1 in FIG. After coming into contact with the engaged surface 25, the projecting piece 24 is pushed up, the movable portion 4 is lifted upward, and the second engaging portion 16 a of the movable portion 4 is moved to the second engaged portion 8 b of the entrance 8. To engage and engage.

  The operating portion 21 cannot be rotated more than a predetermined amount by the tapered surface 25 b of the protruding piece 24.

  Moreover, since the operation part 21 can be rotated only in the direction which lifts the movable part 4 by the suppression part 20, in the use state of the attachment apparatus 1, the engagement state with respect to the entrance / exit 8 is sufficient. It is not released.

  Next, after the step 12 is laid down as shown by the solid lines in FIGS. 1 and 2, the vehicle emergency ladder 2 is attached to a position where it is desired to be attached to the step 12.

  Furthermore, the left and right doors of the vehicle 7 may be closed until they abut against the left and right side frames 5 and 5, so that the passenger can descend the emergency ladder 2 for the vehicle more safely.

  When removing the mounting device 1, after removing the emergency ladder 2 for the vehicle, the movable portion 4 contracts with respect to the main body portion 3 by its own weight by pulling out the operating portion 21 from the long hole 17 and the mounting hole 9. And the engagement state of the 2nd engaging part 16a of the movable part 4 and the 2nd to-be-engaged part 8b of the entrance / exit 8 is cancelled | released, and the attachment apparatus 1 can be removed from the entrance / exit 8.

  Thus, if the mounting apparatus 1 of this invention is used, the emergency ladder 2 for vehicles can be easily installed in the arbitrary entrance / exit part among several entrance / exit parts of a vehicle so that removal is possible. In addition, the control portion 20 prevents the engagement state with respect to the entrance 8 from being released when the mounting device 1 is in use.

  In addition, when the mounting device 1 and the vehicle emergency ladder 2 of the present invention are installed in the vehicle, the vehicle emergency ladder 2 can be attached to an arbitrary entrance / exit portion without getting out of the vehicle 7. it can. The attachment device 1 and the vehicle emergency ladder 2 may be installed outside the vehicle.

[Example 2]
In the first embodiment, the step 12 is rotatably provided on the rotation shaft 12a of the main body 3. However, the step 12 is not provided, and as shown in FIG. The emergency ladder 2 for a vehicle may be rotatably provided directly on the provided rotation shaft 12a.

  Since other structures are the same as those of the first embodiment, description thereof is omitted.

  Also in the second embodiment, the same effects as in the first embodiment are obtained.

[Example 3]
In the first and second embodiments, the vehicle emergency ladder 2 is detachably attached to the entrance 8 using the attachment device 1, but any member other than the vehicle emergency ladder 2 may be attached to the attachment device 1. It is possible to detachably attach to the entrance 8 which is an entrance / exit part of the vehicle. An arbitrary member may be fixed to the attachment device of the present invention, or may be detachably attached.

  For example, as shown in FIG. 11, the attachment device having a ladder 32 in which a step frame 31 is provided at an arbitrary interval on the side frame 5 of the main body 3 and the side frame 15 of the movable portion 4 in the attachment device 1 of the first embodiment. 33 may be removably attached to the entrance 8 and the ladder 32 may be used to check the upper part of the entrance 8 or the situation on the vehicle, or to perform any work. Note that a ladder having the same structure as the vehicle emergency ladder 2 of the first and second embodiments may be erected on the platform 12.

  Further, as shown in FIG. 12, a mounting device 41 having a work table 42 fixedly attached to the main body 3 in the mounting device 1 of the first embodiment is removably attached to the entrance 8 and climbed to the work table 42. Thus, the upper part of the entrance / exit 8 and the situation on the vehicle may be confirmed, or arbitrary work may be performed. The work table 42 may be removable from the attachment device 41, or may be provided so as to be rotatable so as to reduce the storage space.

  Since other structures are the same as those of the first embodiment, description thereof is omitted.

  Also in the third embodiment, the same effects as in the first embodiment are obtained.

DESCRIPTION OF SYMBOLS 1,33,41 Attachment apparatus 2 Vehicle emergency ladder 3 Main-body part 4 Movable part 5a 1st engaging part 8 Vehicle entrance / exit part 16a 2nd engaging part 20 Suppression part 21 Operation part 32 Ladder 42 Work table

Claims (4)

An attachment device capable of detachably attaching a member to a vehicle entrance / exit,
A main body portion having a first engaging portion that engages with a lower portion of the inlet / outlet portion, and provided on the opposite side of the main body portion to the first engaging portion so as to be extendable / contractible with respect to the main body portion, and the inlet / outlet portion A movable portion having a second engagement portion that engages with the upper portion of
By rotating the operation part in a predetermined direction, the movable part is extended with respect to the main body part,
The mounting device according to claim 1, wherein the operation unit is configured to suppress rotation in a direction opposite to the predetermined direction by the suppressing unit.   2. The operation unit is provided so as to be detachable with respect to the main body, and the movable unit can be contracted with respect to the main body by removing the operation unit from the main body. The mounting device described.   The attachment device according to claim 1 or 2, wherein the vehicle emergency ladder can be removably attached to an entrance / exit part of the vehicle by using the attachment device.   The attachment device according to claim 1 or 2, wherein a work table or a ladder can be detachably attached to an entrance / exit part of the vehicle by using the attachment device.

Images