JP2006347234A - Step light device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a step light device allowing easy mounting and removal of a step light while the water-tightness to the floor part of a vehicle and the load sustaining performance are secured sufficiently. <P>SOLUTION: The step light device 6 can be assembled simply only by inserting the casing 10 of the step light 9 into casing storage part 27 of a mounting plate 26 so that the oversurface 28b of a flat plate part 28 is positioned flush with a light permeation surface 10a and by filling a seal material filling groove 36 formed at the periphery of the light permeation surface 10a with a seal material 37. As a certain gap is secured in the groove 36, excessive filling with the seal material can be avoided, and at the same time, securing the water-tightness between the casing 10 and the mounting plate 26 is facilitated. Because the step light device 6 is equipped with a socket 16 fitted in the casing 10 so that the light permeation surface 10a is exposed, the casing 10 of the step light 9 is held sturdily, and the load sustaining performance of the step light 9 is enhanced. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a step light device used for passengers and crew members to get on and off.

Conventionally, in order to support safety when passengers get on and off a vehicle, there is a railway vehicle in which a step light device is installed on a floor near a door portion. As such an apparatus, there is a step light described in Patent Document 1, for example. In this conventional step light, a housing is disposed in the vicinity of a door of a vehicle, and LED light sources are arranged and housed in a watertight housing space provided in the housing. Then, by emitting the illumination light from the LED light source upward from the casing, the passenger is informed of the position of the vehicle entrance / exit to the handicapped or the elderly, or that there are gaps or steps between the platform and the vehicle. It is functioning as a device that alerts the user.
JP 2005-145343 A

  By the way, since the step light device as described above is attached to the floor portion of the vehicle that is easily exposed to wind and rain, water tightness between the device and the floor portion is required. Moreover, since the passenger | crew's floor part may be stepped on when a passenger etc. get on / off a vehicle, it is also necessary to ensure the load resistance of the apparatus itself. On the other hand, in such a step light device, it may be necessary to replace the LED light source when it is damaged or its performance deteriorates due to its life. In this case, in order to ensure water tightness and strength, if excessive sealing or reinforcement is performed between the step light device and the floor portion by the sealing member and the reinforcing member, work is performed when the LED light source is removed from the floor portion. When the LED light source is fitted into the floor, it takes time to remove the excessive sealing material, and the operation becomes complicated.

  The present invention has been made to solve the above-described problems, and provides a step light device in which a step light can be easily attached and detached while sufficiently ensuring watertightness and load resistance with respect to a vehicle floor. For the purpose.

  A step light device attached to a floor near a door of a railway vehicle, having a housing in which aligned LEDs are stored in a watertight manner, and illumination light from the LEDs through a light transmitting surface provided in the housing Housing with a step light that emits light, a socket into which the housing is fitted so that the light transmission surface is exposed, and an opening that is attached to the floor near the door and accommodates the housing of the step light When the housing and socket of the step light are accommodated in the opening of the mounting plate so that the light transmission surface and the upper surface of the mounting plate are substantially flush with each other. Between the housing part and the housing, a sealing material filling groove part opening toward the upper part of the floor part is formed around the light transmission surface.

  In this step light device, when the housing of the step light is housed in the opening of the housing housing portion of the mounting plate so that the light transmission surface and the upper surface of the mounting plate are substantially flush, the housing housing portion Between the housing and the housing, a sealing material filling groove that opens upward is formed around the light transmission surface. Since a certain gap is secured in the sealing material filling groove, it is easy to ensure water tightness between the housing and the mounting plate while avoiding excessive filling of the sealing material. Further, in the step light device having such a configuration, the housing of the step light is placed in the opening of the housing housing portion of the mounting plate so that the upper surface of the mounting plate and the light transmission surface of the step light are flush with each other. It can be assembled in a simple procedure by simply inserting and filling the sealing material filling groove formed around the light transmission surface of the housing with the sealing material. Therefore, by actively providing the sealing material filling groove portion in the step light device, it becomes possible to avoid filling of the excessive sealing material, and the step light can be easily attached and detached. That is, when the step light is removed from the mounting plate, the sealing material can be easily cut, and when the step light device is inserted into the opening of the mounting plate, excess sealing material can be easily removed. Further, since the step light device includes a socket into which the housing is fitted so that the light transmission surface is exposed, the housing of the step light is firmly held by the socket. Thereby, the load resistance of the step light can be improved, and even if the passerby steps on the step light, it is possible to prevent the step light from being bent.

  In addition, the socket is fitted into the opening of the housing housing portion so as to contact the inner wall of the housing housing portion, and the upper end surface of the socket is disposed at a position lower than the light transmission surface, thereby filling the sealing material. The groove is preferably formed by the outer wall of the housing, the inner wall of the housing housing, and the upper end surface of the socket. If it carries out like this, the sealing material filling groove part around a light transmissive surface can be formed with three persons, a step light, an attachment plate, and a socket.

  Moreover, it is preferable that a pair of attachment flanges are provided on both sides of the socket at the lower end portion of the socket, and each attachment flange is fixed in contact with the attachment plate. With such a configuration, it is possible to reliably attach the socket to the mounting plate and improve workability.

  Moreover, it is preferable that the notch part for letting the wiring extended from a step light pass is formed in the overlap part of the inner wall and socket of a housing | casing accommodating part. By providing a notch in the overlapping part between the inner wall of the housing housing and the socket, the wiring of the step light can be passed outside while maintaining water tightness between the housing and the mounting plate.

  Moreover, it is preferable that the housing | casing has comprised the elongate shape and LED is arranged in the longitudinal direction in the housing | casing. With such a configuration, luminance as a light source is sufficiently ensured, and functions such as alerting passengers can be effectively exhibited.

  As described above, according to the step light device according to the present invention, it is possible to easily attach and detach the step light while ensuring sufficient water tightness and load resistance between the floor portion of the vehicle. it can.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a step light device according to the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a cross-sectional view showing a passenger compartment portion of a railway vehicle to which a step light device according to the present invention is applied. As shown in FIG. 1, the crew room 2A of the railway vehicle 1A includes a lever for operating the vehicle, a display indicating a driving situation, a wireless communication device, a chair for a driver, and the like. In the present embodiment, the crew room 2A of the railway vehicle 1A is connected to the crew room 2B of the adjacent railway vehicle 1B by the connecting portion 3. Further, by opening the through doors 4A and 4B provided at the front center of each of the crew cabins 2A and 2B, the cabin center of each of the crew cabins 2A and 2B passes between the railway vehicles 1A and 1B. Is a through-passage 5 for going back and forth. In the crew room 2A provided with such a through-passage 5, the step light device 6 is attached to the floor plate 8 in the vicinity of the stepped portion 7 on the through-passage 5. It is configured as a device for alerting 5 passers-by.

  The step light device 6 having such a function includes a step light 9 as shown in FIG. The step light 9 has a long casing 10 having a rectangular parallelepiped shape. The housing 10 is formed of a translucent resin, and the upper wall portion of the housing 10 is a light transmission surface 10a for transmitting illumination light.

  In addition, a watertight light source accommodation space S is formed inside the housing 10. A substrate 11 is disposed in the light source accommodation space S, and a plurality of (for example, 24) high-brightness LEDs 12 are aligned on the substrate 11 along the longitudinal direction of the housing 10. From each LED 12, for example, red illumination light is emitted, and this illumination light is emitted through the light transmission surface 10a of the housing 10 into the crew room 2A. Note that a wiring 13 for each LED 12 extends from one end of the step light 9. The connector terminal 14 provided at the tip of the wiring 13 is electrically connected to a connector terminal (not shown) of the wiring wound around the railway vehicle 1A.

  Further, as shown in FIG. 3, the step light device 6 includes a socket 16 into which the housing 10 of the step light 9 is fitted. The socket 16 has a long rectangular parallelepiped shape and has an opening 17 having a rectangular cross section for fitting the housing 10 therein. A positioning spacer 18 is disposed on the bottom surface of the opening 17. For this reason, when the housing 10 is fitted into the opening 17, the end surface 16 a on the opening 17 side of the socket 16 is disposed at a position lower than the light transmitting surface 10 a by one step. The upper part on the surface 10 a side is exposed from the socket 16. Further, screw insertion holes 20 for inserting screws 19 are formed at equal positions and at equal intervals in the bottom 16b of the socket 16 and the bottom 10b of the housing 10 (see FIG. 5). The housing 10 and the socket 16 are firmly fixed to each other by screwing screws 19 into the respective screw insertion holes 20.

  Further, a substantially U-shaped cutout portion 21 is formed in the side wall 16 c on one end side of the socket 16, and the wiring 13 for the LED 12 drawn from one end of the housing 10 is passed through. Furthermore, a pair of left and right mounting flanges 22, 22 projecting horizontally toward the side are provided at both ends of the bottom 16 b of the socket 16. Each mounting flange 22, 22 is formed with a screw insertion hole 24 for inserting a screw 23 and a wiring hole 25 for passing the wiring 13 of the step light 9.

  Further, as shown in FIGS. 1 and 3, the step light device 6 includes a long attachment plate 26 attached to the floor plate 8 along the step portion 7 on the through passage 5. The mounting plate 26 includes a housing housing portion 27 for housing the housing 10 and the socket 16 of the step light 9 and a flat plate portion 28 used for mounting to the floor plate 8 (see FIG. 6). Yes. The housing accommodating portion 27 has an opening 29 having a rectangular cross section with both upper and lower ends opened, and the inner wall 27a on one end side of the housing accommodating portion 27 faces away from the notch portion 21 of the socket 16. A substantially U-shaped notch 30 is formed. Further, the flat plate portion 28 is formed in a rectangular shape around the upper end of the opening portion 29, and screw insertion holes 28 a for inserting screws 35 along the shape of the opening portion 29 are provided in a total of eight locations. In addition, the area | region R arrange | positioned at the level | step-difference part 7 side among the upper surfaces of the flat plate part 28 is processed by the anti-slip | skid. Thereby, the fall of a passerby is prevented.

  Further, the mounting plate 26 has a pair of left and right socket mounting pieces 31, 31 used for mounting the socket 16 described above. The socket mounting pieces 31, 31 are respectively provided on the lower surface side of both end portions in the longitudinal direction of the flat plate portion 28, and a hanging portion 31a extending downward and a flange portion projecting horizontally from the tip of the hanging portion 31a. 31b. A screw insertion hole 33 for inserting the screw 23 is formed in each flange portion 31b, 31b.

  When attaching the step light device 6 having such a configuration to the floor plate 8 of the through-passage 5, first, an operation of attaching the step light 9 to the attachment plate 26 is performed. That is, as shown in FIGS. 4 and 5, the socket 16 into which the casing 10 of the step light 9 is fitted comes into contact with the inner wall 27 a of the casing accommodating portion 27 from the lower end side of the opening 29. Fit into the accommodating portion 27. Then, the mounting flange of the socket 16 brought into contact with the flange portions 31b, 31b of the mounting plate 26 in a state where the light transmitting surface 10a of the housing 10 and the upper surface 28b of the flat plate portion 28 of the mounting plate 26 are substantially flush with each other. 22 and 22 are firmly fixed by screws 23, respectively.

  At this time, as shown in FIG. 3, when the step light 9 and the mounting plate 26 are coupled, the end surface 17a on the opening 17 side of the socket 16 is disposed at a position one step lower than the light transmission surface 10a. . Therefore, when the housing 10 and the socket 16 are accommodated in the opening 29 of the housing accommodating portion 27 so that the light transmitting surface 10a and the upper surface 8a of the floor plate 8 are substantially flush with each other, FIG. As shown in FIG. 5, around the light transmission surface 10a, the outer wall 10c of the housing 10, the inner wall 27a of the housing housing portion 27, and the upper end surface 16a of the socket 16 face upward above the floor plate 8. Thus, a sealing material filling groove 36 is formed. In addition, a wiring hole 40 (see FIG. 6) through which the wiring 13 for the LED 12 extending from the step light 9 passes through the notched portions 21 and 30 at the overlapping portion between the inner wall 27a of the housing housing portion 27 and the socket 16. It is formed by cooperation.

  Next, an operation of attaching the attachment plate 26 attached with the step light 9 to the floor plate 8 is performed. That is, as shown in FIGS. 6 and 7, the housing accommodating portion 27 of the mounting plate 26 is loaded into the opening P (see FIG. 7) provided in the floor plate 8, and the flat plate portion 28 is placed on the upper surface of the floor plate 8. The flat plate portion 28 is firmly fixed to the floor plate 8 with the screw 35 in a state of being placed on the 8a. Finally, when the sealing material filling groove 36 formed around the light transmission surface 10a in the housing 10 is filled with, for example, a silicon-based sealing material 37, the attachment of the step light device 6 to the floor plate 8 is completed.

  As described above, in the step light device 6, the step light is arranged so that the light transmission surface 10 a and the upper surface 28 b of the flat plate portion 28 are substantially flush with each other in the opening 29 of the housing accommodating portion 27 in the mounting plate 26. When the nine housings 10 are accommodated, between the housing accommodating portion 27 and the housing 10, a sealing material filling groove portion 36 that opens toward the upper side of the floor plate 8 is formed around the light transmission surface 10 a. It is formed. Since the sealing material filling groove portion 36 has a certain clearance, it is easy to ensure water tightness between the housing 10 and the mounting plate 26 at the same time that excessive sealing material is avoided.

  Further, the step light device 6 having such a configuration steps into the opening 29 of the housing accommodating portion 27 of the mounting plate 26 so that the upper surface 28b of the flat plate portion 28 and the light transmitting surface 10a are flush with each other. The light 10 can be assembled in a simple procedure by inserting the housing 10 and filling the sealing material filling groove 36 formed around the light transmitting surface 10a of the housing 10 with the sealing material 37. Thus, by actively providing the sealing material filling groove portion 36, it becomes possible to avoid filling of the excessive sealing material 37, and the step light 9 can be easily attached and detached. That is, when the step light 9 is removed from the mounting plate 26, the sealing material 37 can be easily cut, and when the step light 9 is inserted into the opening 29 of the mounting plate 26, Easy to remove.

  Further, the step light device 6 includes a socket 16 into which the housing 10 is fitted so that the light transmission surface 10a is exposed, and the upper end surface 16a of the socket 16 is a position lower than the light transmission surface 10a of the housing 10 by one step. Is arranged. Therefore, even if the housing 10 of the step light 9 is firmly held by the socket 16 and the step light 9 is stepped on by a passerby of the through passage 5, the housing 10 hardly bends. At the same time, the sealing material filling groove 36 around the light transmission surface 10a can be formed with the step light 9, the mounting plate 26, and the socket 16.

  Further, in the step light device 6, notches 21 and 30 are provided on the inner wall 27 a of the housing housing portion 27 and the outer wall 16 c on one end side of the socket 16, respectively. For this reason, when the socket 16 is accommodated in the opening 29 of the housing accommodating portion 27, the overlap between the inner wall 27 a of the housing accommodating portion 27 and the socket 16 is caused by the cooperation of the notches 21 and 30. A wiring hole 40 is formed. The wiring hole 40 allows the wiring 13 for the LED 12 extending from the step light 9 to pass outside while maintaining watertightness between the housing 10 and the mounting plate 26.

  The present invention is not limited to the above embodiment. For example, in the above embodiment, the through-passage 5 is exemplified as a floor portion to which the step light device 6 is applied. However, as shown in FIG. You may comprise as an apparatus which supports the safety at the time of getting on / off a vehicle. Moreover, you may apply to the inner wall of a vehicle interior, a ceiling, etc. Further, in the upper surface of the flat plate portion 28 of the mounting plate 26, a region R disposed on the stepped portion 7 side may be provided with a scab instead of the anti-slip process. Such a cut-out can also prevent a passer-by from falling.

It is a figure which shows the rail vehicle to which the step light apparatus which concerns on this invention was applied. It is a perspective view of a step light. It is a disassembled perspective view of a step light apparatus. It is a top view of a step light device. It is the VV sectional view taken on the line in FIG. It is a perspective view which shows the state which attached the step light apparatus to the floor plate of a rail vehicle. It is the VII-VII sectional view taken on the line in FIG. It is a figure which shows the rail vehicle to which the step light apparatus which concerns on a modification is applied.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1A ... Railcar, 6 ... Step light apparatus, 8 ... Floor plate (floor part), 9 ... Step light, 10 ... Housing, 10a ... Light transmission surface, 10c ... Outer wall of housing, 12 ... LED, 13 ... Wiring 16 ... Socket, 16a ... Socket upper end surface, 16b ... Socket bottom (lower end), 21, 30 ... Notch, 22 ... Mounting flange, 26 ... Mounting plate, 27 ... Housing housing, 27a ... Housing An inner wall of the body accommodating portion, 29... An opening, 36... A sealing material filling groove, S.

Claims (5)

A step light device attached to the floor of a railway vehicle,
A step light that has a housing in which aligned LEDs are stored in a water-tight manner, and emits illumination light from the LED through a light transmission surface provided in the housing;
A socket into which the housing is fitted so that the light transmitting surface is exposed;
An attachment plate having a housing housing portion formed with an opening for housing the housing of the step light, and attached to the floor portion;
When the housing of the step light and the socket are accommodated in the opening of the mounting plate so that the light transmission surface and the upper surface of the mounting plate are substantially flush with each other, the housing is accommodated. The step light device is characterized in that a sealing material filling groove that opens upward from the floor is formed around the light transmission surface between the part and the housing. The socket is fitted into the opening of the housing housing portion so as to contact the inner wall of the housing housing portion, and the upper end surface of the socket is disposed at a position lower than the light transmission surface. ,
The step light device according to claim 1, wherein the sealing material filling groove is formed by an outer wall of the housing, an inner wall of the housing accommodating portion, and the upper end surface of the socket.   The step light device according to claim 2, wherein a pair of mounting flanges are provided on both sides of the socket at a lower end portion of the socket, and the mounting flanges are fixed in contact with the mounting plate. .   4. The step light according to claim 3, wherein a notch for passing a wiring extending from the step light is formed in an overlapping portion between the inner wall of the housing housing and the socket. apparatus.   The step light device according to any one of claims 1 to 4, wherein the housing has a long shape, and the LEDs are aligned in the longitudinal direction in the housing.

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