WO2020016956A1

WO2020016956A1 - Elevator ceiling device and elevator car

Info

Publication number: WO2020016956A1
Application number: PCT/JP2018/026874
Authority: WO
Inventors: 岳広加藤; 良直高橋
Original assignee: 三菱電機株式会社
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2020-01-23
Also published as: JPWO2020016956A1; JP6712099B1; CN112399957A; CN112399957B

Abstract

This elevator ceiling device comprises: a ceiling member; and a lighting device held by the ceiling member. An opening section is provided to the ceiling member. The lighting device includes: a housing that can be inserted into the opening section; a projecting member that is movable between a projecting position at which the projecting member projects from a side surface of the housing and a retracted position located closer to the housing side than the projecting position; and an elastic member that applies a force to the projecting member in a direction in which the projecting member moves to the projecting position. Under conditions where the housing is inserted into the opening section and the projecting member is in the projecting position, the lighting member is held on the ceiling member by the projecting member hanging from the ceiling member.

Description

Elevator ceiling equipment and elevator car

The present invention relates to an elevator ceiling device and an elevator car including a ceiling member and a lighting device held by the ceiling member.

Conventionally, when changing the design in a car, the design of the lighting device mounted on the ceiling may be changed. In this case, for example, as shown in Patent Document 1, the lighting device mounted on the ceiling is replaced with a lighting device having a different design.

JP 2004-10280 A

However, the replacement work of the lighting device in the elevator of Patent Document 1 can be performed only from inside the car. That is, the replacement work of the lighting device in the elevator of Patent Literature 1 is performed by removing the old lighting device from the ceiling by stepping up on the stepladder, lowering the old lighting device on the floor, and then holding the new lighting device on the stepladder again to obtain a new lighting device. The procedure is to install the device on the ceiling.

Therefore, the operator has to carry out the work of removing and attaching the lighting device in an upright position on a stepladder, which is a heavy burden.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator ceiling device and an elevator car that can reduce a burden on an operator who replaces a lighting device.

An elevator ceiling device according to the present invention includes a ceiling member and a lighting device held by the ceiling member, the ceiling member has an opening, and the lighting device has a housing that can be inserted into the opening. A protruding member movable between a protruding position protruding from the side surface of the housing and a retracted position located closer to the housing than the protruding position, and elasticity for applying a force to the protruding member in a direction in which the protruding member moves to the protruding position. The lighting device is held by the ceiling member by hanging the projection member on the ceiling member in a state where the housing is inserted into the opening and the position of the projection member is the projection position.

According to the present invention, with the above configuration, it is possible to obtain an elevator ceiling device that can reduce the burden on an operator who replaces a lighting device.

It is a perspective view which shows the car of the elevator in Embodiment 1 of this invention. FIG. 2 is a cross-sectional view of a main part showing a state of a holding mechanism when a housing of the lighting device of FIG. 1 is inserted into an opening from below a ceiling member. It is a figure showing the state where the projection member of the lighting device was retracted to the case side. It is a figure showing the state where the projection member of the lighting device projected into the hole from the insertion slot. It is a figure which shows the state which pulled up the lighting installation attached to the opening part of the ceiling member from the upper part of the car. It is a perspective view which shows the state which took out the lighting device above the ceiling member. It is a figure which shows the state which removed the illumination device attached to the opening part of the ceiling member from the upper part of the car using the jig. It is a figure which shows the 1st modification of the illuminating device which comprises the ceiling device of an elevator in Embodiment 1 of this invention. It is a figure which shows the 2nd modification of the illuminating device which comprises the ceiling device of an elevator in Embodiment 1 of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an elevator car according to Embodiment 1 of the present invention.

As shown in FIG. 1, the elevator car 100 has a car body 110 and a ceiling device 1 provided above the car body 110. The car body 110 has a car floor 111 and a plurality of car walls 112 erected on the periphery of the car floor 111. An open portion surrounded by upper portions of the plurality of car walls 112 is formed in an upper portion of the car main body 110.

The ceiling device 1 includes a ceiling member 10 fixed to an upper portion of the car main body 110, a lighting device 20 held by the ceiling member 10, and a connecting member 40 connecting the ceiling member 10 and the lighting device 20. An opening formed in the upper part of the car main body 110 is closed by the ceiling member 10. FIG. 1 shows a state where the lighting device 20 is detached from the ceiling member 10.

The ceiling member 10 has a top plate 11 and a reinforcing frame 12 fixed to an upper surface of the top plate 11. The periphery of the top plate 11 is fixed to the upper part of the plurality of car walls 112. An opening AP that penetrates the ceiling member 10 in a direction in which the top plate 11 and the reinforcing frame 12 overlap with each other is provided at a central portion of the ceiling member 10. The reinforcing frame 12 has a plurality of beam members 121 arranged around the opening AP. The inner wall surface 12a of the opening AP is constituted by the plurality of beam members 121.

では In this example, the shape of the opening AP is rectangular. In this example, the opening AP is used as a rescue exit for rescuing the passengers in the car 100 to the outside in an emergency. A lid (not shown) that opens and closes the opening AP is attached above the opening AP. In an emergency, by opening the opening AP, it is possible to rescue a passenger from inside the car 100 to outside the car 100 via the opening AP. As an emergency, for example, the case where the car 100 has stopped at a position other than the landing position can be considered.

穴 A hole 12c having a rectangular insertion opening 12b is provided in a portion of each beam member 121 that forms the inner wall surface 12a of the opening AP. In this example, a slit having a rectangular cross section along the vertical direction is provided in each beam member 121 as a hole 12c. In this example, the hole 12c penetrates the beam member 121. In addition, each hole 12c is not limited to a through-hole, and may be a dent, a notch whose upper part is open, or the like. The shape of the insertion port 12b is not limited to a rectangular shape.

The lighting device 20 includes a light-emitting body (not shown), a housing 21 for housing the light-emitting body, four holding mechanisms 30 provided on the housing 21, and a lighting plate 22 provided below the housing 21. are doing. The illuminant generates light that illuminates the interior of the car 100. As the luminous body, a fluorescent lamp, an LED, or the like is used.

The housing 21 can be inserted into the opening AP. In this example, the housing 21 can pass through the opening AP in the up-down direction. The shape of the housing 21 when viewed from above is a rectangular shape that matches the shape of the opening AP.

One holding mechanism 30 is provided on each of four side surfaces 21 a of the housing 21. Each holding mechanism 30 holds the lighting device 20 on the ceiling member 10 with the housing 21 inserted into the opening AP.

The illumination plate 22 is a light transmission plate that can transmit light. The lighting plate 22 is arranged below the light emitter. Thus, in a state where the lighting device 20 is held by the ceiling member 10, light from the light emitter reaches the inside of the car 100 through the lighting plate 22. In this example, the light of the light emitter is diffused by the lighting plate 22 and reaches the inside of the car 100. In this example, the lighting plate 22 is detachably attached to the lower part of the housing 21.

一端 One end of the connecting member 40 is detachably attached to the upper part of the ceiling member 10. The other end of the connecting member 40 is detachably attached to the housing 21. As described above, the connecting member 40 connects the ceiling member 10 and the housing 21. The lighting device 20 can be hung from the ceiling member 10 by the connecting member 40. Thus, it is possible to prevent the lighting device 20 from dropping on the car floor 111 during the replacement work of the lighting device 20. The connecting member 40 is configured by a chain or a rope formed of metal or plastic.

FIG. 2 is a cross-sectional view of a main part showing a state of the holding mechanism 30 when the housing 21 of FIG. 1 is inserted into the opening AP from below the ceiling member 10.

The housing 21 has four side plates forming the side surface 21 a of the housing 21 and an upper plate forming the upper surface of the housing 21. In each of the four side plates, a through hole 21b is provided in accordance with the position of the holding mechanism 30.

The holding mechanism 30 includes a fixing member 33 fixed in the housing 21, a projecting member 31 passed through the through-hole 21b, and a coil spring as an elastic member disposed between the fixing member 33 and the projecting member 31. 32.

The protruding member 31 is movable between a protruding position protruding from the side surface 21a and a retracted position located closer to the housing 21 than the protruding position.

傾斜 Of both ends of the protruding member 31, an end protruding from the side surface 21a of the housing 21 when the protruding member 31 is at the protruding position is provided with an inclined portion 31a and a hook portion 31b. The hook portion 31b is a flat portion orthogonal to the side surface 21a of the housing 21. The hook portion 31b forms a lower portion of the end of the protruding member 31.

傾斜 When the protruding member 31 is at the protruding position, the inclined portion 31 a is inclined with respect to the side surface 21 a of the housing 21 in a direction away from the side surface of the housing 21 downward from above the protruding member 31. Thus, when the projecting member 31 is at the projecting position, the length from the side surface 21a of the housing 21 to the inclined portion 31a continuously increases from above the projecting member 31 to below.

The protruding member 31 can be inserted from the insertion opening 12b into the hole 12c with the housing 21 inserted into the opening AP. Accordingly, in a state where the housing 21 is inserted into the opening AP, the protruding member 31 moves to the protruding position with respect to the housing 21 so that the end of the protruding member 31 on the side of the inclined portion 31a is From the hole 12c.

ばね A spring receiver 31c disposed in the housing 21 is fixed to the protruding member 31. The vertical dimension of the spring receiver 31c is larger than the vertical dimension of the through hole 21b. This prevents the spring receiver 31c from passing through the through hole 21b. In the holding mechanism 30, since the side plate of the housing 21 receives the spring receiver 31c, the protrusion member 31 is prevented from coming off the housing 21. The protruding member 31 is maintained at the protruding position with the side surface 21a of the housing 21 receiving the spring receiver 31c.

The coil spring 32 is compressed between the spring receiver 31c and the fixing member 33. Thus, the coil spring 32 applies an elastic restoring force to the projecting member 31 in a direction in which the projecting member 31 moves away from the fixing member 33. That is, the coil spring 32 applies a force to the projecting member 31 in a direction in which the projecting member 31 moves to the projecting position. The projecting member 31 moves from the projecting position to the retracted position by moving against the elastic restoring force of the coil spring 32.

In addition, in FIG. 1 and FIG. 2, although the inclined part 31a and the hook part 31b are comprised by a plane, the inclined part 31a and the hook part 31b may be comprised by a curved surface.

The lighting device 20 configured as described above is attached to the ceiling member 10 by inserting the housing 21 into the opening AP from inside the car 100.

Next, a procedure for attaching the lighting device 20 to the ceiling member 10 will be described with reference to FIGS.

First, as shown by the arrow A in FIG. 1, the lighting device 20 is lifted from below to above from the inside of the car 100 toward the opening AP of the ceiling member 10. Note that the lighting device 20 may be pulled up from above the opening AP, that is, from above the car 100 using the connecting member 40. In the case where the lighting device 20 is lifted from the upper part of the car 100, it is not necessary for the worker to stand on a stepladder and lift the lighting device 20, so that the burden on the worker is reduced.

Next, as shown by the arrow B in FIG. 2, the side surface 21a of the housing 21 is inserted into the opening AP of the housing 21 further upward along the inner wall surface 12a of the opening AP. Then, the inclined portion 31a of the protruding member 31 abuts on the inner wall surface 12a of the opening AP.

突出 The protruding member 31 abutted against the inner wall surface 12a of the opening AP is further pulled up, and is retracted toward the housing 21 by the inner wall surface 12a of the opening AP as shown by an arrow C. FIG. 3 shows a state in which the protruding member 31 is retracted to the housing 21 side. From the state of FIG. 3, the housing 21 is inserted further upward as indicated by an arrow D.

When the housing 21 is further inserted upward, as shown in FIG. 4, the protruding member 31 of the holding mechanism 30 faces the insertion opening 12b formed in the inner wall surface 12a. Then, the protruding member 31 pushed into the inside of the housing 21 by the inner wall surface 12a protrudes from the side surface 21a of the housing 21 by the restoring force of the coil spring 32. Then, as shown by the arrow E, the protruding member 31 is inserted into the hole 12c from the insertion port 12b.

突出 The protruding member 31 inserted into the hole 12c regulates the housing 21 from moving downward by the hook portion 31b being hooked on the beam member 121 in the hole 12c. As a result, the housing 21 is held by the ceiling member 10. As described above, the lighting device 20 is attached to the ceiling member 10.

Next, a procedure for removing the lighting device 20 attached to the ceiling member 10 will be described with reference to FIGS.

照明 As shown by an arrow F in FIG. 5, the lighting device 20 attached to the ceiling member 10 is pulled up from above the car 100. Then, the inclined portion 31a of the protruding member 31 abuts against the inner wall surface 12a of the opening AP, and the protruding member 31 is retracted toward the housing 21 as indicated by an arrow G.

As shown by the arrow H in FIG. 6, when the lighting device 20 is further pulled up, the lighting device 20 passes through the opening AP and is taken out above the car 100. Thus, the lighting device 20 is removed from the ceiling member 10 of the car 100. When the opening AP also serves as a rescue exit, the rescue exit can be quickly opened by raising the lighting device 20 to the upper part of the car 100 in this way.

As described above, the elevator ceiling device 1 according to the first embodiment includes the ceiling member 10 provided with the opening AP, and the lighting device 20 held by the ceiling member 10. The lighting device 20 includes a housing 21 that can be inserted into the opening AP, and a holding mechanism 30 provided in the housing 21. The holding mechanism 30 includes a protruding member 31 movable between a protruding position protruding from the side surface 21 a of the housing 21 and a retracted position located closer to the housing 21 than the protruding position, and the protruding member 31 moving to the protruding position. And a coil spring 32 for applying a force to the protruding member 31 in the direction in which the protruding member 31 moves. Then, in a state where the housing 21 is inserted into the opening AP and the position of the protruding member 31 is the protruding position, the protruding member 31 is hung on the ceiling member 10, whereby the lighting device 20 is held by the ceiling member 10.

傾斜 Also, an inclined portion 31 a is provided at one end of the protruding member 31. When the protruding member 31 is at the protruding position, the length from the side surface 21a of the housing 21 to the inclined portion 31a continuously increases from above the protruding member 31 to below. A hook portion 31b extending in the horizontal direction is formed below the inclined portion 31a.

Further, the ceiling member 10 is provided with a hole 12c having an insertion port 12b formed on the inner wall surface of the opening AP, and the projecting member 31 is provided with the insertion port 12b with the housing 21 inserted into the opening AP. From the hole 12c. Then, the projecting member 31 is inserted into the hole 12c and the hanging portion 31b is hung on the ceiling member 10, whereby the lighting device 20 is held by the ceiling member 10. The housing 21 can pass through the opening AP.

According to the ceiling device 1 of the first embodiment configured as described above, only by inserting the housing 21 of the lighting device 20 into the opening AP from below the opening AP formed in the ceiling member 10, the lighting device 20 can be attached to the ceiling member 10. Further, the lighting device 20 can be removed from the ceiling member 10 by pulling it up above the opening AP.

This simplifies the work of replacing the lighting device 20 of the ceiling device 1 and shortens the work time. Therefore, the burden on the worker who replaces the lighting device 20 can be reduced.

In the first embodiment, the shape of the opening AP is rectangular, but the shape of the opening AP may be a polygon, a circle, or the like.

In the first embodiment, the lighting device 20 is removed from the ceiling member 10 by lifting the lighting device 20 above the opening AP, but the method of removing the lighting device 20 from the ceiling member 10 is not limited to this. For example, the lighting device 20 may be taken out above the opening AP by pushing up the lighting device 20 from above the inside of the car 100 to above the opening AP.

Further, in the first embodiment, the lighting device 20 is taken out above the opening AP, but the lighting device 20 may be taken out below the opening AP. When the lighting device 20 is taken out of the car 100, the lighting device 20 can be used as a step when rescuing the passengers in the car 100 from the rescue exit.

In this case, as shown by an arrow J in FIG. 7, the jig 60 is inserted between the side surface 21a of the housing 21 and the inner wall surface 12a of the ceiling member 10 from above the opening AP. Then, the inclined portion 31 a of the protruding member 31 is pushed from above, and the protruding member 31 is pushed into the inside of the housing 21 as shown by an arrow K. Thereby, the lighting device 20 attached to the ceiling member 10 can be taken out below the opening AP. In this case, it is preferable to remove the lighting device 20 while suspending the lighting device 20 with the connecting member 40 so that the lighting device 20 does not drop onto the car floor 111.

In the first embodiment, the projecting member 31 is inserted into the hole 12c to hold the lighting device 20 on the ceiling member 10. However, the portion where the hook 31b of the projecting member 31 is hooked is not limited to this. is not.

For example, as in the illumination device 20A of the first modification shown in FIG. 8, the holding mechanism 30 is disposed above the housing 21, and the portion where the hook 31b of the protruding member 31 is hooked constitutes the opening AP. The upper surface of the beam member 121 may be used. In this case, it is not necessary to form the hole 12c in the beam member 121, and the number of working steps is reduced.

Further, as in the lighting device 20A of the first modification shown in FIG. 8, when the lighting device 20A is held by the ceiling member 10 and there is a space around the protruding member 31, there is a jig. The protrusion member 31 can be pushed into the inside of the housing 21 without using the member 60. Thus, the lighting device 20 can be easily taken out from below the opening AP from above the ceiling member 10. In this case as well, it is preferable to remove the lighting device 20 while suspending the lighting device 20 with the connecting member 40 so that the lighting device 20 does not drop onto the car floor 111.

寸法 In addition, the size of the opening AP in the horizontal and vertical directions in the horizontal plane may be shared with ceiling members of other elevators. Furthermore, the dimension of the portion of the lighting device 20 to be inserted into the opening AP in the vertical and horizontal directions in the horizontal plane of the housing 21 may be common to the housings of other lighting devices. The wiring work when replacing the lighting device 20 may be configured so that only the replacement of the power supply connector is performed.

Accordingly, the design of the lighting device 20 can be changed only by replacing the lighting plate 22 with another lighting device having a different shape, illuminant type, and illuminator arrangement without replacing the top plate constituting the ceiling member 10. Can be easily changed. In addition, the wiring work involved in replacing the lighting device 20 is reduced, and the number of steps for replacing the lighting device 20 is further reduced.

照 Also, by replacing the illumination device 20 with a different dimension in the height direction of the housing 21 at the portion inserted into the opening AP, the illuminance in the car 100 can be easily changed. By providing a plurality of holding mechanisms 30 in the height direction of the housing 21, the illuminance in the car 100 may be changeable in the same lighting device 20.

In Embodiment 1, the lighting device 20 is formed in a shape that can be taken out of the ceiling member 10 through the opening AP, but the shape of the lighting device 20 is not limited to this. Absent. For example, as in the illumination device 20B of the second modification shown in FIG. 9, the vertical and horizontal dimensions of the portion of the housing 21B below the portion inserted into the opening AP in the horizontal plane are determined by the vertical and horizontal dimensions of the opening AP. It may be larger than the dimension in the direction.

Furthermore, the lighting plate 22 may be configured to cover the lower part of the housing 21B like the lighting plate 22B shown in FIG. By replacing the lighting device 20 with a larger lighting device 20B, the illuminance in the car 100 can be easily changed, and the design of the lighting device 20 can be significantly changed.

In addition, in the first embodiment, one holding mechanism 30 is arranged on each of the four side surfaces 21a of the housing 21, but the number and arrangement of the holding mechanisms 30 can be appropriately changed. Furthermore, although the ceiling device 1 according to the first embodiment includes the connecting member 40, the ceiling device 1 may not include the connecting member 40.

1 ceiling device, 10 ceiling member, 11 ceiling plate, 12 reinforcing frame, 121 beam member, 12a inner wall surface, 12b insertion hole, 12c hole, 20, 20A, 20B lighting device, 21, 21B housing, 21a side surface,

21b penetration Holes

22, 22B lighting plate, 30 holding mechanism, 31 projecting member, 31a inclined portion, 31b hook portion, 31c spring receiver, 32 coil spring (elastic member), 33 fixing member, 40 connecting member, 60 jig, 100 ride Basket, 110 car body, 111 car floor, 112 car wall, AP opening.

Claims

Ceiling members,
And a lighting device held by the ceiling member,
An opening is provided in the ceiling member,
The lighting device, a housing that can be inserted into the opening, a protruding member that is movable between a protruding position that protrudes from a side surface of the housing and a retracted position that is located closer to the housing than the protruding position, An elastic member that applies a force to the projecting member in a direction in which the projecting member moves to the projecting position,
In a state where the housing is inserted into the opening and the position of the protruding member is the protruding position, the protruding member is hung on the ceiling member, so that the lighting device is held by the ceiling member. Ceiling equipment.
An inclined portion is provided at an end of the projecting member,
The elevator ceiling according to claim 1, wherein when the projecting member is at the projecting position, a length from the side surface of the housing to the inclined portion continuously increases from above the projecting member to below. apparatus.
The ceiling member is provided with a hole having an insertion hole formed in the inner wall surface of the opening,
The elevator ceiling device according to claim 1, wherein the projecting member is configured to be insertable into the hole from the insertion port in a state where the housing is inserted into the opening.
4. The elevator ceiling device according to claim 1, wherein the housing is configured to be able to pass through the opening. 5.
A connecting member that connects the ceiling member and the housing,
The elevator ceiling device according to any one of claims 1 to 4, wherein the connecting member is configured to suspend the lighting device.
The elevator ceiling device according to any one of claims 1 to 5, wherein the opening is a car rescue exit.
An elevator car provided with the ceiling device according to any one of claims 1 to 6.