JP5188989B2 - Elevator car ceiling equipment - Google Patents

Description

  The present invention relates to an elevator car ceiling device in which an internal ceiling plate is disposed inside a car with respect to an external ceiling plate.

  2. Description of the Related Art Conventionally, there has been proposed an elevator car ceiling device having a ceiling board provided with an emergency rescue exit and a suspended ceiling board provided on the lower side of the ceiling board and provided with an inspection opening. The ceiling plate is provided with a lid for opening and closing the emergency rescue port, and the suspended ceiling plate is provided with a lid for opening and closing the inspection opening. The emergency rescue opening is opened when the lid provided on the ceiling board is rotated to the outside of the car. The inspection opening is opened when a lid provided on the suspended ceiling plate is turned to the inside of the car (see Patent Document 1).

JP 2001-316061 A

  However, when the inspection opening is opened, the lid is turned to the inside of the car, so when the inspection opening is fully opened, the end of the lid reaches the area close to the floor of the car. Users should be careful not to hit the lid.

  In addition, for example, when the operation of the elevator has stopped urgently, passengers in the car can be rescued on the car through the inspection opening and the emergency rescue exit, but the lid is suspended inside the car. Since the inspection opening is opened as it is, the lid becomes an obstacle when the passenger moves from the inside of the car to the top of the car or when the rescuer moves from the top of the car to the inside of the car.

  The present invention has been made to solve the above-described problems, and can reduce the opening operation area necessary for opening the inspection port and can be used between the car and the car. It is an object of the present invention to obtain an elevator car ceiling device that can facilitate the movement of a passenger.

  The elevator car ceiling device according to the present invention is provided with an external ceiling plate provided with a rescue exit, an inspection port facing the rescue exit, and provided with an internal ceiling plate and a rescue exit disposed inside the car relative to the external ceiling plate. Rescue opening / closing lid that is displaceable between the rescue exit closing position to be closed and the rescue exit opening position that is located outside the cage and that is open outside the rescue exit closing position, and the inspection entrance closing position that closes the inspection opening The inspection port opening / closing lid that is held on the internal ceiling plate when it is in position and is disengaged from the internal ceiling plate by being disengaged from the internal ceiling plate by being displaced to a holding release position shifted from the inspection port closing position in the horizontal direction It has.

  In the elevator car ceiling device according to the present invention, when the inspection port opening / closing lid is in the inspection port closing position for closing the inspection port, the lid is held on the internal ceiling plate, and is moved to the holding release position shifted in the horizontal direction from the inspection port closing position. By being displaced, the holding by the inner ceiling plate is released and the inner ceiling plate is removed, so that the inspection port opening / closing lid can be removed from the inner ceiling plate in a state of being almost horizontal. Therefore, the opening operation area necessary for opening the inspection port can be reduced. In addition, passengers and rescuers can pass through the inspection port and the rescue port with the inspection port opening / closing lid removed from the internal ceiling plate, so that the user can move smoothly between the car and the car. be able to.

It is a top view which shows the elevator car ceiling apparatus by Embodiment 1 of this invention. It is sectional drawing along the II-II line of FIG. It is a perspective view which shows the inspection port locking device of FIG. It is a perspective view which shows the triangular key of FIG. It is a top view which shows the rescue exit locking apparatus of FIG. It is a top view which shows the state by which the locking of the rescue exit locking apparatus of FIG. 5 is cancelled | released. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 2 exists in a holding | maintenance release position. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 7 is removed from an internal ceiling board. It is sectional drawing which shows a state when the rescue outlet opening / closing lid | cover of FIG. 8 is displaced to a rescue exit open position. It is sectional drawing which shows a state when the rescue outlet opening / closing lid | cover of FIG. 2 is displaced to a rescue exit open position. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 10 exists in a holding | maintenance release position. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 11 is removed from an internal ceiling board. It is a top view which shows the elevator car ceiling apparatus by Embodiment 2 of this invention. It is sectional drawing along the XIV-XIV line | wire of FIG. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 14 exists in a holding | maintenance release position. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 15 is removed from an internal ceiling board. It is sectional drawing which shows a state when the rescue outlet opening / closing lid | cover of FIG. 16 is displaced to a rescue exit open position. It is sectional drawing which shows a state when the rescue outlet opening / closing lid | cover of FIG. 14 is displaced to a rescue exit open position. It is sectional drawing which shows the state from which the thumbscrew and nut of FIG. 18 were removed from the inspection port opening / closing lid. It is sectional drawing which shows a state when the inspection port opening / closing lid | cover of FIG. 19 is removed from an internal ceiling board. It is a principal part perspective view which shows the other example of the elevator car ceiling apparatus by Embodiment 2 of this invention.

Preferred embodiments of the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
1 is a plan view showing an elevator car ceiling apparatus according to Embodiment 1 of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. FIG. 1 is a plan view showing the car ceiling device as viewed from the inside of the car. In the figure, at the upper part of the car 1, there are an external ceiling board 2 (FIG. 2) and an internal ceiling board 3 arranged inside the car 1 (ie, below the external ceiling board 2) with respect to the external ceiling board 2. Is provided. That is, an upper ceiling plate 2 and an inner ceiling plate 3 that are opposed to each other in the vertical direction are provided on the upper portion of the car 1. Between the external ceiling board 2 and the internal ceiling board 3, a plurality of lighting devices 4 (FIG. 1) for brightening the interior of the car 1 are provided. Each lighting device 4 is attached to the lower surface of the external ceiling board 2.

  The external ceiling plate 2 is provided with a rescue port 5 that is disposed so as to avoid each lighting device 4. In addition, a rescue outlet opening / closing lid 6 that opens and closes the rescue outlet 5 is attached to the external ceiling plate 2. The rescue outlet opening / closing lid 6 is attached to the external ceiling plate 2 via a hinge 7 provided at the edge of the rescue exit 5.

  The rescue opening / closing lid 6 is pivoted about the axis of the hinge 7 so as to close the rescue exit 5 for closing the rescue exit 5 and located outside the cage 1 from the rescue exit closure position. It is displaced between the rescue outlet opening position to be opened. The edge of the rescue opening / closing lid 6 is locked to the external ceiling plate 2 when the rescue opening / closing lid 6 is in the rescue outlet closing position (that is, when the rescue outlet opening / closing lid 6 is blocking the rescue outlet 5). The That is, the displacement of the rescue outlet opening / closing lid 6 to the inside of the car 1 from the rescue outlet closing position is regulated by the locking of the rescue outlet opening / closing lid 6 by the external ceiling plate 2.

  The internal ceiling plate 3 is provided with an illumination opening 8 (FIG. 1) that faces each lighting device 4 and an inspection port 9 that faces the rescue outlet 5. In addition, a translucent illumination cover 10 (FIG. 1) for closing the illumination opening 8 and an inspection port opening / closing lid 11 for opening and closing the inspection port 9 are detachably attached to the internal ceiling plate 3.

  The inspection opening / closing lid 11 is held by the internal ceiling plate 3 when the inspection opening / closing lid 11 is in the inspection opening closing position for closing the inspection opening 9 (FIG. 2). Further, the holding of the inspection port opening / closing lid 11 by the internal ceiling plate 3 is released by being displaced to a holding release position shifted in the horizontal direction from the inspection port closing position (FIG. 7). Therefore, the inspection port opening / closing lid 11 is attached to the inner ceiling plate 3 by being displaced to the inspection port closing position and being held by the inner ceiling plate 3, and is displaced to the holding release position so that the holding by the inner ceiling plate 3 is released. This is removed from the internal ceiling board 3.

  The inspection opening / closing lid 11 is provided on a plate-like lid body 12 having a design surface and a back surface, a first lid frame 13 provided at one end portion of the lid body 12, and the other end portion of the lid body 12. And a second lid frame 14. The lid body 12 is attached to the internal ceiling plate 3 with the back side facing the external ceiling plate 2 (upward). The first lid frame 13 and the second lid frame 14 are attached to the back surface of the lid body 12.

  The first lid frame 13 has a fixing portion 13 a fixed to the lid main body 12 and a vertical portion 13 b extending perpendicularly to the lid main body 12 from the fixing portion 13 a. The second lid frame 14 has a fixing portion 14 a fixed to the lid main body 12 and a vertical portion 14 b extending perpendicularly to the lid main body 12 from the fixing portion 14 a. When the inspection port opening / closing lid 11 is in the inspection port closing position, the fixing portions 13a and 14a of the first lid frame 13 and the second lid frame 14 are respectively placed on the internal ceiling plate 3 (FIG. 2).

  On the surface of the internal ceiling plate 3 on the side of the external ceiling plate 2 (that is, the upper surface of the internal ceiling plate 3), a first receiver 15 (first regulating body) 15 and a 2 A receiver (second regulating body) 16 is provided. The displacement between the inspection port closing position and the holding release position of the inspection port opening / closing lid 11 is performed within a range between the first receiver 15 and the second receiver 16 (inter-receiver range). The inspection port opening / closing lid 11 is locked to the first receiver 15 when in the inspection port closing position (FIG. 2), and is locked to the second receiver 16 when in the holding release position (FIG. 7). .

  The first receiver 15 extends horizontally from a fixed portion 15a fixed to the internal ceiling plate 3, a vertical plate portion (horizontal restriction portion) 15b extending upward from the fixed portion 15a, and an upper end portion of the vertical plate portion 15b. And a horizontal plate portion (vertical direction restricting portion) 15c.

  The second receiver 16 has a fixed portion 16a fixed to the internal ceiling plate 3, and a vertical plate portion (horizontal direction restricting portion) 16b extending upward from the fixed portion 16a.

  When the inspection port opening / closing lid 11 is in the inspection port closing position, the vertical portion 13b of the first lid frame 13 is brought into contact with the vertical plate portion 15b of the first receiver 15, and the vertical portion 13b of the first lid frame 13 is contacted. Faces the horizontal plate portion 15c of the first receiver 15 in the vertical direction (FIG. 2). As a result, the displacement of the inspection port opening / closing lid 11 from the inspection port closing position to the outside of the range between the receptacles is restricted, and excessive displacement of the first lid frame 13 to the upper side is also restricted.

  When the inspection opening / closing lid 11 is in the holding release position, the fixing portion 14a of the second lid frame 14 is brought into contact with the vertical plate portion 16b of the second receiver 16 (FIG. 7). As a result, the displacement of the inspection port opening / closing lid 11 from the holding release position to the outside of the range between the receivers is restricted.

  The inspection port opening / closing lid 11 is provided with an inspection port locking device 17. The inspection port locking device 17 locks and unlocks the inspection port opening / closing lid 11 by receiving either a manual operation from the outside of the car 1 or an operation with a triangular key (dedicated key) 18 from the inside of the car 1. Do the lock. The inspection port opening / closing lid 11 is locked and unlocked when the inspection port opening / closing lid 11 is in the inspection port closing position.

  Here, FIG. 3 is a perspective view showing the inspection port locking device 17 of FIG. FIG. 4 is a perspective view showing the triangular key 18 of FIG. In the figure, an inspection port locking device 17 includes a cylinder 19 fixed to the inspection port opening / closing lid 11, a through-shaft 20 rotatably provided in the cylinder 19, and a rotating plate (inspection) fixed to the through-shaft 20. (Outside operation portion) 21 and a locking member (inspection lock portion) 22 fixed to the rotating plate 21.

  The cylinder 19 has an opening exposed on the design surface side of the lid body 12. A triangular key 18 is inserted into the opening when the inspection opening / closing lid 11 is locked and unlocked.

  The through shaft 20 is disposed perpendicular to the lid body 12. The through-shaft 20 includes a key fitting portion (inspection port inner operation portion) 20 a disposed in the opening of the cylinder 19 and a rotating plate fixing portion exposed from the cylinder 19 on the back side of the inspection port opening / closing lid 11. 20b. The triangular key 18 is fitted into the key fitting portion 20 a by inserting the triangular key 18 into the opening of the cylinder 19. Note that the cross-sectional shape of the key fitting portion 20a is substantially triangular.

  The rotating plate 21 is fixed to the rotating plate fixing portion 20b. The rotating plate 21 is arranged in parallel with the lid body 12. Further, the rotating plate 21 is rotated integrally with the through shaft 20 around the axis of the through shaft 20. In this example, the shape of the rotating plate 21 is rectangular.

  Thus, the rotating plate 21 is rotated by manually operating the rotating plate 21 from the outside of the car 1, and the key fitting portion 20 a is operated by the triangular key 18 from the inside of the car 1. Is also rotated. The operation of the key fitting portion 20a from the inside of the car 1 cannot be performed manually, and can be performed only with the triangular key 18.

  The locking member 22 is fixed to a portion of the rotating plate 21 away from the through shaft 20. Therefore, when the rotation plate 21 is rotated, the locking member 22 is displaced on an arc around the through shaft 20. When the inspection port opening / closing lid 11 is in the inspection port closing position, the locking member 22 is locked to the second receiver 16 by the rotation of the rotation plate 21 (FIG. 2), and 2. It is displaced between the unlocked position (FIG. 7) where the lock by the receiver 16 is released. The locking member 22 is locked to the second receiver 16 to prevent the inspection port opening / closing lid 11 from being displaced from the inspection port closing position to the holding release position. Moreover, the latching member 22 cancels | blocks the displacement of the inspection port opening / closing lid | cover 11 by the latching by the 2nd receiver 16 releasing.

  The triangular key 18 includes a cylindrical key body 23 and a bar-shaped handle member 24 provided on the key body 23. One end of the key body 23 is an insertion portion 23a that is fitted into the key fitting portion 20a. The cross-sectional shape of the insertion portion 23a is a hollow, generally triangular shape. The key fitting part 20a and the insertion part 23a are fitted together by inserting the key fitting part 20a into the insertion part 23a. The handle member 24 is provided at the other end of the key body 23.

  A plate spring (position holding member) 25 that selectively holds the locking member 22 in either the locked position or the unlocked position is fixed to the vertical portion 14b of the second lid frame 14 (FIG. 2). The leaf spring 25 is pressed against the side surface of the rotating plate 21. Further, the leaf spring 25 is pushed and elastically deformed by the turning plate 21 when the turning plate 21 is turned. Further, the leaf spring 25 is pressed against the short side portion of the rotating plate 21 when the locking member 22 is displaced to the locked position, and the rotating plate is moved when the locking member 22 is displaced to the unlocked position. 21 is pressed against the long side portion.

  On the other hand, the rescue opening / closing lid 6 is provided with a recess 26 opened to the outside of the car 1. A rescue outlet locking device 27 is attached to the recess 26. That is, the rescue outlet opening / closing lid 6 is provided with a rescue outlet locking device 27 attached to the recess 26 so as to be exposed to the outside of the car 1. The rescue door locking device 27 receives either the manual operation from the outside of the car 1 or the operation with the triangular key (dedicated key) 18 from the inside of the car 1 to lock and unlock the rescue door opening / closing lid 6. Do the lock. The rescue opening / closing lid 6 is locked and unlocked when the rescue exit opening / closing lid 6 is in the rescue outlet closing position.

  Here, FIG. 5 is a plan view showing the rescue port locking device 27 of FIG. FIG. 6 is a plan view showing a state where the locking of the rescue port locking device 27 of FIG. 5 is released. In the figure, the rescue port locking device 27 is attached to a support bracket 28 fixed in the recess 26. The rescue locking device 27 includes a through shaft 29 that is rotatably supported by the support bracket 28, and a first projecting portion that projects in different directions from the through shaft 29 on a plane perpendicular to the through shaft 29. 30a and a second protrusion 30b including a rotation cam 30 fixed to the through shaft 29, a lever (rescue port outer operation section) 31 connected to the first protrusion 30a of the rotation cam 30, and a rotation cam 30 and a pin (rescue lock part) 32 connected to the second protrusion 30b.

  The through shaft 29 is disposed perpendicular to the rescue outlet opening / closing lid 6. Further, the through shaft 29 has a key fitting part (rescue outlet inner operation part) 29 a exposed on the lower surface side of the rescue opening / closing lid 6. The insertion portion 23a of the triangular key 18 is fitted into the key fitting portion 29a. That is, the cross-sectional shape of the key fitting portion 29a is a substantially triangular shape that is the same shape as the cross-sectional shape of the key fitting portion 20a in the inspection port locking device 17.

  The rotating cam 30 is rotated integrally with the through shaft 29 about the axis of the through shaft 29. The shape of the rotating cam 30 is a substantially triangular shape having apexes at the positions of the through shaft 29, the first projecting portion 30a, and the second projecting portion 30b.

  The pin 32 is reciprocally displaced in conjunction with the rotation of the rotation cam 30. When the rescue outlet opening / closing lid 6 is in the rescue exit closing position, the pin 32 is locked by a fixing member 33 fixed to the lower surface of the external ceiling plate 2 (FIG. 5) and locked by the fixing member 33. It is possible to displace between the unlocking position (FIG. 6) from which it is released. The pin 32 is displaced by the rotation of the rotation cam 30. The pin 32 is locked to the fixing member 33 to prevent the rescue opening / closing lid 6 from being displaced from the rescue opening closing position to the rescue opening opening position. Moreover, the pin 32 cancels | blocks the displacement prevention of the rescue opening opening / closing lid | cover 6 by releasing the latching by the fixing member 33. FIG.

  Specifically, the pin 32 protrudes from the area of the rescue opening / closing lid 6 by being displaced to the locking position, and is retracted into the area of the rescue opening / closing lid 6 by being displaced to the unlocking position. When the pin 32 is displaced to the locking position and protrudes from the rescue opening / closing lid 6, the pin 32 is inserted into a pin insertion port 34 provided in the fixing member 33. The pin 32 is locked to the fixing member 33 by insertion into the pin insertion port 34.

  The lever 31 is reciprocally displaced in conjunction with the rotation of the rotating cam 30. The lever 31 is displaced between the push-in position (FIG. 5) and the pull-out position (FIG. 6) by the rotation of the rotation cam 30. When the rescue outlet opening / closing lid 6 is in the rescue exit closing position, the lever 32 is displaced to the pushing position, whereby the pin 32 is displaced to the locking position, and the lever 31 is displaced to the pulling position, whereby the pin 32 is unlocked. Displaced to position.

  The rotating cam 30 is rotated by manually operating the lever 31 from the outside of the car 1, and is also rotated by operating the key fitting portion 29 a from the inside of the car 1 with the triangular key 18. . The operation of the key fitting portion 29 a from the inside of the car 1 cannot be performed manually, and can be performed only with the triangular key 18.

  The rescue outlet locking device 27 is provided with a biasing spring (biasing body) 35 that biases the pin 32 in the direction displaced to the locking position. When the pin 32 is in the locking position, the pin 32 is held in the locking position by the biasing of the biasing spring 35.

  The rescue port locking device 27 is provided with a holding mechanism that prevents the rotation cam 30 from rotating against the biasing force of the biasing spring 35 when the pin 32 is in the unlocked position. The holding mechanism locks the rotating cam 30 when the lever 31 reaches the pull-out position.

  Furthermore, the rescue port locking device 27 is provided with a release mechanism 35 that releases the prevention of the rotation of the rotary cam 30 when the rescue port opening / closing lid 6 is displaced to the rescue port closing position. The release mechanism 35 has a displacement magnet 36 that can be displaced with respect to the support bracket 28. The fixed member 33 is fixed with a fixed magnet 37 that faces the displacement magnet 36 when the rescue outlet opening / closing lid 6 is displaced to the rescue outlet closing position. The displacement magnet 36 and the fixed magnet 37 repel each other when facing each other. The displacement magnet 36 is displaced to the forward position by the displacement of the lever 31 to the pulling position (FIG. 6), and is displaced to the backward position by being repelled against the fixed magnet 37 (FIG. 5). The release mechanism 35 releases the prevention of the rotation of the rotary cam 30 by the displacement of the displacement magnet 36 to the retracted position.

  The rescue lock device 27 is provided with a lock state detection device that detects whether or not the pin 32 is displaced to the lock position.

  Next, a procedure for opening the inspection port 9 and the rescue port 5 from the inside of the car 1 will be described. FIG. 7 is a cross-sectional view showing a state when the inspection port opening / closing lid 11 of FIG. 2 is in the holding release position. FIG. 8 is a cross-sectional view showing a state when the inspection port opening / closing lid 11 of FIG. 7 is removed from the internal ceiling plate 3. Further, FIG. 9 is a cross-sectional view showing a state when the rescue outlet opening / closing lid 6 of FIG. 8 is displaced to the rescue exit opening position.

  As shown in the drawing, first, the triangular key 18 is inserted into the opening of the cylinder 19 from the inside of the car 1, and the insertion portion 23a is fitted into the key fitting portion 20a. Thereafter, the triangular key 18 is turned to displace the locking member 22 from the locked position to the unlocked position. As a result, the prevention of the displacement of the inspection opening / closing lid 11 from the inspection opening closing position to the holding release position is released.

  Thereafter, the inspection port opening / closing lid 11 is lifted and shifted horizontally to displace the inspection port opening / closing lid 11 from the inspection port closing position to the holding release position (FIG. 7). Thereby, holding | maintenance of the inspection opening / closing lid | cover 11 by the internal ceiling board 3 remove | deviates. Thereafter, the inspection port opening / closing lid 11 is lowered to the inside of the car 1, and the inspection port opening / closing lid 11 is removed from the internal ceiling plate 3 (FIG. 8). Thereby, the inspection port 9 is opened.

  Thereafter, the insertion portion 23a of the triangular key 18 is fitted to the key fitting portion 29a of the rescue port locking device 27 from the inspection port 9 side, and the triangular key 18 is turned to displace the pin 32 from the locked position to the unlocked position. Thereby, the prevention of the displacement from the rescue exit closing position of the rescue exit opening / closing lid 6 to the rescue exit opening position is released.

  Thereafter, the rescue outlet opening / closing lid 6 is rotated to the outside of the car 1 to displace the rescue outlet opening / closing lid 6 from the rescue outlet closing position to the rescue outlet opening position (FIG. 9). Thereby, the rescue exit 5 is opened.

  Next, a procedure for opening the inspection port 9 and the rescue port 5 from the outside of the car 1 will be described. FIG. 10 is a cross-sectional view showing a state when the rescue outlet opening / closing lid 6 of FIG. 2 is displaced to the rescue exit opening position. Moreover, FIG. 11 is sectional drawing which shows a state when the inspection port opening / closing lid | cover 11 of FIG. 10 exists in a holding release position. Further, FIG. 12 is a cross-sectional view showing a state when the inspection port opening / closing lid 11 of FIG. 11 is removed from the internal ceiling plate 3.

  As shown in the drawing, first, the lever 31 is pulled from the outside of the car 1, and the lever 31 is displaced from the push-in position to the pull-out position. Thereby, the pin 32 is displaced from the locking position to the unlocking position, and the prevention of the displacement of the rescue opening / closing lid 6 from the rescue opening closing position to the rescue opening opening position is released. Thereafter, the rescue opening / closing lid 6 is rotated to the outside of the car 1 to displace the rescue opening / closing lid 6 from the rescue opening closing position to the rescue opening opening position (FIG. 10). Thereby, the rescue exit 5 is opened.

  Thereafter, the rotating plate 21 of the inspection port locking device 17 is manually rotated from the rescue outlet 5 side. Thereby, the locking member 22 is displaced from the locked position to the unlocked position. Thereafter, the inspection port opening / closing lid 11 is displaced from the inspection port closing position to the holding release position, and the inspection port opening / closing lid 11 is once removed from the inner ceiling plate 3 to the inside of the car 1 (FIG. 11).

  Thereafter, the inspection opening / closing lid 11 is taken out from the inside of the car 1 to the outside of the car 1 through the inspection opening 9 and the rescue outlet 5 (FIG. 12).

  In such an elevator car ceiling device, the inspection opening / closing lid 11 is held by the internal ceiling plate 3 when the inspection opening / closing lid 11 is in the inspection opening closing position that closes the inspection opening 9, and is also held horizontally shifted from the inspection opening closing position. By being displaced to the release position, the holding by the inner ceiling plate 3 is released and the inner ceiling plate 3 is detached, so that the inspection port opening / closing lid 11 can be removed from the inner ceiling plate 3 in a state of being almost horizontal. it can. Therefore, the opening operation area necessary for opening the inspection port 9 can be reduced. In addition, since the passenger and rescuer can pass through the inspection port 9 and the rescue port 5 with the inspection port opening / closing lid 11 removed from the internal ceiling plate 3, the user can move between the inside of the car 1 and the top of the car 1. Smooth movement can be achieved.

  The inspection port locking device 17 includes a rotation plate 21 that can be manually operated from the outside of the car 1, a key fitting portion 20 a that can be operated only from the inside of the car 1 with the triangular key 18, Since it has the locking member 22 displaced between the locked position and the unlocked position by any operation of the key fitting portion 20a, a general passenger opens the inspection port 9 from the inside of the car 1. The opening can be prevented and the inspection port 9 can be easily opened from the outside of the car 1.

  The rescue lock device 27 includes a lever 31 that can be manually operated from the outside of the car 1, a key fitting portion 29a that can be operated only by the triangular key 18 from the inside of the cage 1, and the lever 31 and the key fitting portion. Since the pin 32 that is displaced between the locked position and the unlocked position is provided by any of the operations 29a, it is possible to prevent a general passenger from opening the rescue port 5 from the inside of the car 1. In addition, the rescue outlet 5 can be easily opened from the outside of the car 1.

  In the above example, the inspection port opening / closing lid 11 is completely independent from the internal ceiling plate 3 when it is removed from the internal ceiling plate 3, but between the inspection port opening / closing lid 11 and the internal ceiling plate 3. May be connected by a fall prevention rope. In this way, it is possible to prevent the inspection opening / closing lid 11 from falling on the car floor. As the fall prevention rope, for example, a chain, a rope, a tape, or the like is used. Further, the inspection port opening / closing lid 11 and the inner ceiling plate 3 can be connected by connecting one end of the fall prevention rope to the first receiver 15 and connecting the other end to the lid main body 12, for example.

Embodiment 2. FIG.
FIG. 13 is a plan view showing an elevator car ceiling apparatus according to Embodiment 2 of the present invention. FIG. 14 is a cross-sectional view taken along line XIV-XIV in FIG. In the figure, an inspection port opening / closing lid 41 for opening and closing the inspection port 9 is detachably attached to the internal ceiling plate 3. The inspection opening / closing lid 41 has a plurality (two) of partial lids 42 and 43 fastened to each other. Each of the partial lids 42 and 43 is configured to partially block the inspection port 9.

  One partial lid 42 includes a first partial lid body 44 having a design surface and a back surface, and a first lid frame 13 provided at an end of the first partial lid body 44. The other partial lid 43 includes a second partial lid body 45 having a design surface and a back surface, and a second lid frame 14 provided at an end of the second partial lid body 45. The inspection port locking device 17 is provided on the other partial lid 43.

  Each of the first partial lid main body 44 and the second partial lid main body 45 is provided with a lid overlapping portion that is overlapped with each other on the back side when the partial lids 42 and 43 are fastened to each other. Each lid overlap portion is fastened to each other by being tightened between a thumb screw 47 passed through each lid overlap portion and a nut 46 into which the thumb screw 47 is screwed. Further, the lid overlapping portions are separated from each other when the thumb screw 47 is not screwed into the nut 46. The thumbscrew 47 can be turned manually. Therefore, it is possible to manually tighten the thumbscrew 47 and the nut 46 and remove the thumbscrew 47 from the nut 46 manually.

  That is, the partial lids 42 and 43 can be fastened to each other manually outside the car 1. Further, the fastening between the partial lids 42 and 43 can be manually released outside the car 1. Other configurations are the same as those in the first embodiment.

  Next, a procedure for opening the inspection port 9 and the rescue port 5 from the inside of the car 1 will be described. FIG. 15 is a cross-sectional view showing a state when the inspection port opening / closing lid 41 of FIG. 14 is in the holding release position. FIG. 16 is a cross-sectional view showing a state when the inspection port opening / closing lid 41 of FIG. 15 is removed from the internal ceiling plate 3. Further, FIG. 17 is a cross-sectional view showing a state when the rescue outlet opening / closing lid 6 of FIG. 16 is displaced to the rescue exit opening position.

  As shown in the figure, first, in the same manner as in the first embodiment, the locking member 22 is displaced from the locked position to the unlocked position by the triangular key 18 from the inside of the car 1 to close the inspection opening of the inspection opening / closing lid 41. Release the displacement from the position to the holding release position.

  Thereafter, the inspection port opening / closing lid 41 is lifted and shifted horizontally to displace the inspection port opening / closing lid 41 from the inspection port closing position to the holding release position (FIG. 15). Thereby, holding | maintenance of the inspection opening / closing lid | cover 41 by the internal ceiling board 3 remove | deviates. Thereafter, the inspection port opening / closing lid 41 is lowered to the inside of the car 1, and the inspection port opening / closing lid 41 is removed from the internal ceiling board 3 (FIG. 16). Thereby, the inspection port 9 is opened.

  Thereafter, in the same manner as in the first embodiment, the pin 32 is displaced from the locked position to the unlocked position by the triangular key 18 from the inspection port 9 side, and from the rescue opening closing position of the rescue opening / closing lid 6 to the rescue opening opening position. Release the block of displacement. Thereafter, the rescue outlet opening / closing lid 6 is rotated to the outside of the car 1 to displace the rescue outlet opening / closing lid 6 from the rescue outlet closing position to the rescue outlet opening position (FIG. 17). Thereby, the rescue exit 5 is opened.

  Next, a procedure for opening the inspection port 9 and the rescue port 5 from the outside of the car 1 will be described. FIG. 18 is a cross-sectional view showing a state when the rescue outlet opening / closing lid 6 of FIG. 14 is displaced to the rescue outlet open position. FIG. 19 is a cross-sectional view showing a state in which the thumbscrew 47 and the nut 46 shown in FIG. 18 are removed from the inspection port opening / closing lid 41. Further, FIG. 20 is a cross-sectional view showing a state when the inspection port opening / closing lid 41 of FIG. 19 is removed from the internal ceiling plate 3.

  As shown in the figure, first, as in the first embodiment, the lever 31 is pulled from the outside of the car 1 to displace the pin 32 from the locked position to the unlocked position, and from the rescue outlet closing position of the rescue opening / closing lid 6. Release the prevention of displacement to the rescue opening position. Thereafter, the rescue outlet opening / closing lid 6 is rotated to the outside of the car 1 to displace the rescue outlet opening / closing lid 6 from the rescue outlet closing position to the rescue outlet opening position (FIG. 18). Thereby, the rescue exit 5 is opened.

  Thereafter, the rotation plate 21 of the inspection port locking device 17 is manually rotated from the rescue outlet 5 side, and the locking member 22 is displaced from the locked position to the unlocked position. Further, the thumb screw 47 is turned to remove the thumb screw 47 and the nut 46 from the inspection port opening / closing lid 41 (FIG. 19). Thereby, the inspection opening / closing lid 41 is separated into the partial lids 42 and 43. Thereafter, the partial lids 42 and 43 are individually removed from the internal ceiling plate 3, and the partial lids 42 and 43 are taken out of the car 1 through the inspection port 9 and the rescue outlet 5 (FIG. 20).

  In such an elevator car ceiling device, the inspection opening / closing lid 41 has a plurality of partial lids 42 and 43 fastened to each other, and the fastening of the partial lids 42 and 43 can be manually released outside the car 1. Therefore, the inspection opening / closing lid 41 removed from the internal ceiling plate 3 can be divided into a plurality of partial lids 42 and 43 and taken out to the outside of the car 1. Therefore, even when there is no wide space outside the car 1, the inspection port opening / closing lid 41 can be taken out to the outside of the car 1.

  In the above example, the partial lids 42 and 43 are completely independent when separated from each other. However, the partial lids 42 and 43 may be connected by a fall prevention rope. In this way, it is possible to prevent the partial lids 42 from falling together on the car floor. As the fall prevention rope, for example, a chain, a rope, a tape, or the like is used. Further, the partial lids 42 and 43 can be connected by connecting one end portion and the other end portion of the fall prevention rope to each lid overlapping portion, for example. Further, either one of the partial lids 42 and 43 and the internal ceiling plate 3 may be connected by a fall prevention rope.

  In the above example, a gap closing plate that closes the gap between the edge of the inspection port 9 and the inspection port opening / closing lid 41 may be attached to the internal ceiling plate 3.

  That is, FIG. 21 is a perspective view of a principal part showing another example of an elevator car ceiling apparatus according to Embodiment 2 of the present invention. As shown in the figure, a plurality of gap closing plates 51 that close gaps between the inspection port opening / closing lid 41 and the edge of the inspection port 9 when in the inspection port closing position may be attached to the internal ceiling plate 3. Each gap closing plate 51 is attached to the internal ceiling plate 3 via a hinge 52. Each gap closing plate 51 is urged by an urging spring provided at each hinge 52 in a direction to close the gap between the edge of the inspection port 9 and the inspection port opening / closing lid 41. In addition, a gap closing plate that closes the gap between the edge of the inspection port 9 and the inspection port opening / closing lid may be applied to the configuration of the first embodiment.

  If it does in this way, it can prevent that the light from the illuminating device 4 leaks in the cage | basket | car 1 through the clearance gap between the edge part of the inspection port 9, and an inspection-port opening-and-closing lid | cover, and the design property in the cage | basket | car 1 is improved. Can be planned.

Claims (4)

An external ceiling board with a rescue exit,
An inspection ceiling facing the rescue port is provided, and an internal ceiling plate disposed inside the car than the external ceiling plate,
A rescue opening closing lid that is displaceable between a rescue exit closing position that closes the rescue exit and a rescue exit opening position that is located outside the cage from the rescue exit closing position and opens the rescue exit;
While being held at the inspection port closing position for closing the inspection port, it is held by the internal ceiling plate, and is held by the internal ceiling plate by being displaced to a holding release position shifted from the inspection port closing position in the horizontal direction. An inspection port opening / closing lid that is removed from the internal ceiling plate, and an inspection port outer operation unit that can be manually operated from the outside of the cage, and an inspection port inner operation unit that can be operated only by a dedicated key from the inside of the cage; The locking position that prevents the inspection port opening / closing lid from being displaced from the inspection port closing position to the holding release position by the operation of either the inspection port outer side operation unit or the inspection port inner side operation unit, and the inspection port opening / closing An inspection port locking device having an inspection locking portion that is displaced between the unlocking position for releasing the blocking of the lid, and
The inspection port opening / closing lid has a plurality of partial lids fastened to each other,
The elevator car ceiling apparatus characterized in that the fastening between the partial lids can be manually released outside the car. A rescue outlet outer operation section that can be manually operated from the outside of the cage, a rescue outlet inner manipulation section that can be operated only by a dedicated key from the inside of the cage, and the rescue outlet outer manipulation section and the rescue outlet inner manipulation section. By any operation, between the locking position for preventing the rescue opening / closing lid from being displaced from the rescue opening closing position to the rescue opening opening position and the unlocking position for releasing the displacement of the rescue opening / closing lid. The elevator car ceiling apparatus according to claim 1, further comprising: a rescue door locking device having a rescue door locking portion displaced by the emergency exit locking device.   The elevator car ceiling apparatus according to claim 1, wherein the inspection opening / closing lid and the internal ceiling board are connected by a fall prevention cable.   The elevator car ceiling apparatus according to claim 1, wherein the partial lids are connected by a fall-preventing rope.

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