JP2013166610A - Handrail for elevator car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail for an elevator car capable of securing a work space when performing maintenance and a safety check without enlarging, for example, a hoistway.SOLUTION: A handrail 11 for an elevator car comprises fixing columns 33, an expansion rotary barrier 34 and positioning portions 35c. The fixing columns 33 are vertically mounted on the upper surface 25 of a car 2 of the elevator 1. Since the expansion rotary barrier 34 is displaceable between a lodging position in which it overlaps with the upper surface 25 and an upright position in which it is vertically arranged from the upper surface 25, lower ends 35a of long vertical columns 35 as one-side ends are rotatably connected to the fixing columns 33. In a plan view of the upper surface 25, the positioning portions 35c are positioned at upper ends 35b of the long vertical columns 35 positioned in an upright position closer to the outside of the upper surface 25 than the lower ends 35a positioned in the upright position.

Description

  Embodiments of the present invention relate to an elevator car handrail.

  Conventionally, on the upper surface of an elevator car, a handrail for a car is provided for the purpose of preventing a worker who performs maintenance and inspection from dropping. The car handrail is disposed on the upper surface of the car so as to be erected from the outer edge of the upper surface when performing maintenance inspection and to overlap the upper surface when the car is raised and lowered.

JP 2002-96979 A

  By the way, in the prior art, for example, in order to prevent interference between equipment in the hoistway and the handrail for the car, the hoistway is enlarged or the handrail for the car is arranged near the center of the upper surface of the car. It was. Increasing the size of the hoistway makes it impossible to use the space in the building meaningfully, and placing the handrail for the car closer to the center of the upper surface of the car makes it easier for the workers in the equipment in the hoistway. This is not desirable because it makes maintenance difficult.

  Therefore, the problem to be solved by the present invention is to provide an elevator car handrail capable of ensuring a work space for maintenance and inspection without increasing the size of a hoistway, for example.

  The elevator car handrail according to the embodiment includes a fixed member, a movable member, and a positioning portion. The fixing member is erected from the upper surface of the elevator car. One end of the movable member is rotatably connected to the fixed member so as to be displaceable between a lying position overlapping the upper surface of the car and a standing position standing from the upper surface. The positioning portion is, in plan view of the upper surface, the other end portion on the side farther from the fixed member of the movable member positioned at the standing position than the one end portion of the movable member positioned at the standing position. On the outside of the upper surface of the car.

FIG. 1 is a front view schematically showing the overall configuration of the elevator according to the first embodiment. FIG. 2 is a front view of the elevator car handrail according to the first embodiment. FIG. 3 is a front view showing a state where the elevator car handrail according to the first embodiment is erected from the upper surface of the car. FIG. 4 is a perspective view of an elevator car handrail according to the first embodiment. FIG. 5 is a perspective view showing a state where the elevator car handrail according to the first embodiment is erected from the upper surface of the car. FIG. 6 is a front view schematically illustrating the elevator car handrail according to the first embodiment. FIG. 7 is a perspective view of an elevator car handrail according to a modification of the first embodiment. FIG. 8 is a front view schematically showing a state in which the enlarged rotation fence of the elevator car handrail according to the second embodiment is positioned at the lying down position. FIG. 9 is a front view schematically showing a state in which the enlarged rotation fence of the elevator car handrail according to the second embodiment is positioned at the standing position. FIG. 10 is a front view schematically showing a state in which the enlarged rotation fence of the elevator car handrail according to the third embodiment is positioned at the lying down position. FIG. 11 is a front view schematically showing a state in which the enlarged rotation fence of the elevator car handrail according to the third embodiment is positioned in the standing position. FIG. 12 is a front view schematically showing a state in which the enlarged rotation fence of the elevator car handrail according to the fourth embodiment is positioned at the lying down position. FIG. 13: is a front view which shows typically the state by which the expansion rotation fence of the elevator car handrail which concerns on Embodiment 4 was located in the standing position.

[Embodiment 1]
1 is a front view schematically showing the overall configuration of the elevator according to the first embodiment, FIG. 2 is a front view of an elevator car handrail according to the first embodiment, and FIG. 3 is according to the first embodiment. FIG. 4 is a perspective view of an elevator car handrail according to the first embodiment, and FIG. 5 is an elevator according to the first embodiment. FIG. 6 is a front view schematically showing the elevator handrail of the elevator according to the first embodiment. FIG.

  The elevator 1 of this embodiment shown in FIG. 1 is installed in a hoistway of a building (also referred to as a building), and is provided with various buttons of an operating device in a car 2 and a landing device on each floor. The passenger is transported to a desired floor of the building based on call registration by operating the call button. Of course, the hoistway is provided over a plurality of floors of the building and extends linearly along the vertical direction.

  As shown in FIG. 1, the elevator 1 includes a pair of car guide rails 3, a car 2, a counterweight 4, a pair of weight guide rails 5, a main rope 6, a drive mechanism 7, and a compensator. It includes a session device 8, an emergency stop device 9, an elevator control unit 10, and a car handrail 11 (shown in FIG. 2).

  The car guide rail 3 extends linearly and is provided in parallel with the vertical direction. The car guide rails 3 are provided in the hoistway in a parallel state with a space therebetween. The car guide rails 3 position the car 2 between them and support the car 2 so that it can be raised and lowered in the vertical direction.

  The car 2 is accommodated in the hoistway so as to be movable in the vertical direction. The car 2 includes a car frame 13 and a car room 14 for accommodating passengers. The car frame 13 is formed in a frame shape having a size that can be positioned between the pair of car guide rails 3. The car room 14 is formed in a box shape in which an entrance 19 is opened and closed by a door 20. The car room 14 is positioned in the car frame 13 and attached to the car frame 13. In the car room 14, various buttons of an operation device for performing various operations of the elevator 1 are provided.

  The counterweight 4 is accommodated in the hoistway so as to be movable in the vertical direction.

  The weight guide rail 5 extends linearly and is provided in parallel with the vertical direction. The weight guide rails 5 are provided in the hoistway in a parallel state with a space therebetween. The weight guide rails 5 position the counter weight 4 between them and support the counter weight 4 so as to be movable up and down in the vertical direction.

  The main rope 6 has a car 2 fixed to one end and a counterweight 4 fixed to the other end. The main rope 6 is stretched over the drive sheave 15 of the drive mechanism 7 so that the car 2 and the counterweight 4 are moved up and down in directions opposite to each other. That is, the elevator 1 is a so-called elevator type elevator. Thus, the main rope 6 moves up and down the cage 2 and the counterweight 4 in a fishing bottle manner by being moved by the hoisting machine.

  As shown in FIG. 1, the drive mechanism 7 is, for example, a device provided in a hoistway, and includes a well-known hoisting machine (not shown) and a driving sheave 15 attached to the output shaft of the hoisting machine. Yes. The hoisting machine is mounted in the hoistway. The drive sheave 15 is hung on the upper side by a portion located between the counterweight 4 of the main rope 6 and the car 2. In the drive mechanism 7, the hoisting machine rotates the drive sheave 15 to move the main rope 6 in the hoistway to raise and lower the car 2 and the counterweight 4. Moreover, the hoisting machine of the drive mechanism 7 is provided with a brake that restricts movement of the main rope 6 (that is, does not move the main rope 6).

  The compensation device 8 includes a compensation rope 16 having one end attached to the car 2 and the other end attached to the counterweight 4, and a compensation sheave 17 hung on the compensation rope 16. The compensation device 8 suppresses the vibration of the car 2 and the counterweight 4 that are being lifted and cancels the weight of the main rope 6 when the car 2 and the counterweight 4 are lifted and lowered in the hoistway.

  As shown in FIG. 1, the emergency stop device 9 includes a pair of emergency stop mechanisms 12 attached to the bottom surface of the car 2. The emergency stop device 9 causes the emergency stop mechanism 12 to stop the car 2 relative to the car guide rail 3 when the car 2 descends at a speed higher than a predetermined speed.

  The elevator control unit 10 is a device provided in the hoistway described above, and is an arithmetic device including a RAM, a ROM, a CPU, an input / output port, and a storage device (not shown). As shown in FIG. 1, a tail cord 18 having one end attached to the car 2 is connected to the elevator control unit 10. The tail cord 18 is a cord in which power lines and transmission lines are bundled, and connects the operation device in the car 2 and the elevator control unit 10. The elevator control unit 10 is connected to the operation device of the car 2, the hall call device of each floor, the drive mechanism 7, and the like, and controls the entire elevator 1.

  As shown in FIGS. 2, 3, 4, and 5, a handrail for a car (hereinafter simply referred to as a handrail) 11 includes a straight handrail portion 21 and a rotating handrail portion 22 (see FIGS. 5), an enlarged handrail portion 23, and a fixing butterfly bolt 24 (shown in FIG. 5). The straight handrail portion 21 is provided on the outer edge portion 25a on the right side of the upper surface 25 (corresponding to the upper surface of the car) of the car room 14 of the car 2, and includes two fixed columns 26 and one rotating fence 27. And.

  The fixed column 26 is formed in a square cylinder shape, and is erected from the corner of the outer edge portion 25a on the right side of the upper surface 25 in the drawing. The longitudinal direction of the fixed column 26 is orthogonal to the upper surface 25 (parallel to the vertical direction).

  The rotating fence 27 is rotatably supported on the upper end portion of the fixed column 26 so as to be displaceable between a lying position overlapping the upper surface 25 and a standing position standing from the upper surface 25. The rotating fence 27 is superimposed on the upper surface 25 without protruding from the outer edge portion 25a to the outside of the upper surface 25 in the lying down position. The rotating fence 27 is erected from the outer edge portion 25a on the right side of the upper surface 25 in the drawing in the standing position. In the standing position, the rotating fence 27 includes two long vertical columns 28 parallel to the vertical direction, two horizontal columns 29 parallel to the horizontal direction, and a short vertical column 30 parallel to the vertical direction. ing. The two long vertical columns 28 are rotatably connected at their lower ends to the upper ends of the fixed columns 26. The long vertical column 28 connects both ends of two horizontal columns 29. The two horizontal columns 29 connect the long vertical columns 28 to each other. The short vertical columns 30 connect the horizontal columns 29 to each other.

  The rotating handrail portion 22 includes two rotating horizontal columns 31 parallel to the horizontal direction and vertical columns 32 parallel to the vertical direction when the above-described rotating fence 27 is positioned at the standing position. It is formed in a shape. One end of the rotating horizontal column 31 is rotatably connected to the end of the horizontal column 26 of the rotating fence 27 on the back side in FIG. 5 (the back side as viewed from the entrance / exit 19). The vertical column 32 connects the rotating horizontal columns 31 to each other. The rotating handrail portion 22 is overlapped on the upper surface 25 of the car compartment 14 of the car 2 with the rotating horizontal column 31 superimposed on the horizontal column 29 in the lying position. Further, in the standing position, the rotating handrail portion 22 is rotated around the one end portion of the rotating horizontal column 31, and the outer edge of the upper surface 25 of the car 2 on the back side (the back side as viewed from the entrance / exit 19). It stands up from the part 25c.

  The expansion handrail portion 23 is provided on the outer edge portion 25b on the left side of the upper surface 25 of the car room 14 of the car 2, and includes a fixed column 33 as two fixing members and an expansion rotation fence as one movable member. 34. The fixed column 33 is formed in a square cylinder shape and is erected from the corner of the outer edge portion 25b on the left side of the upper surface 25 in the drawing. The longitudinal direction of the fixed column 33 is orthogonal to the upper surface 25 (parallel to the vertical direction).

  The enlargement rotation fence 34 is rotatably supported on the upper end portion of the fixed column 33 so as to be displaceable between a lying position overlapping the upper surface 25 and a standing position standing from the upper surface 25. The enlarged rotation fence 34 is overlapped on the upper surface 25 without protruding from the outer edge portion 25b to the outside of the upper surface 25 in the lying position. Further, at the lying position, one horizontal column 29 of the rotation fence 27 of the straight handrail portion 21 and one horizontal column 36 of the expansion rotation fence 34 of the expansion handrail portion 23 are overlapped with each other. The enlarged rotation fence 34 is erected from the outer edge portion 25b on the left side of the upper surface 25 in the drawing in the standing position.

  In the standing position, the enlargement rotation fence 34 includes two long vertical columns 35 substantially parallel to the vertical direction, two horizontal columns 36 parallel to the horizontal direction, and a short vertical column 37 parallel to the vertical direction. It has. The two long vertical columns 35 have lower end portions 35 a (corresponding to one end portion of the movable member) rotatably connected to the upper end portions of the fixed columns 33. The long vertical column 35 connects both ends of the two horizontal columns 36. The two horizontal columns 36 connect the two long vertical columns 35 to each other. The short vertical column 37 is provided between the two long vertical columns 35 and connects the horizontal columns 36 to each other.

  The long vertical column 35 is provided with a positioning portion 35c between a lower end portion 35a and an upper end portion 35b (corresponding to the other end portion of the movable member) on the side away from the fixed column 33 in the standing position. The positioning part 35c connects the lower end part 35a and the upper end part 35b. The positioning portion 35c is arranged in parallel with the horizontal direction when the enlarged rotation fence 34 is positioned at the standing position. The positioning portion 35 c positions the upper end portion 35 b closer to the outside of the upper surface 25 than the lower end portion 35 a in the plan view of the upper surface 25. When positioned in the standing position, in the long vertical column 35 of the enlarged handrail portion 23, both the lower end portion 35a and the upper end portion 35b are arranged in parallel with the vertical direction, and the positioning portion 35c is arranged in parallel with the upper surface 25. Yes. The long vertical column 35 of the enlarged handrail portion 23 includes a lower end portion 35a, an upper end portion 35b, and a positioning portion 35c, and is formed in a crank shape when viewed from the side. In the upright position, the straight handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23 are in positions that do not protrude from the outer edge portions 25a, 25b, and 25c to the outside of the upper surface 25 in a plan view of the upper surface 25. Provided.

  When the straight handrail portion 21, the rotating handrail portion 22 and the enlarged handrail portion 23 are positioned in the standing position, the butterfly bolt 24 is enlarged at the other end portion of the rotating horizontal column 31 of the rotating handrail portion 22 and the enlarged handrail portion 23. The horizontal fence 36 of the rotating fence 34 is screwed into the end of the horizontal column 36 in the figure (the back side as viewed from the entrance / exit 19). The butterfly bolt 24 fixes the other end portion of the rotating horizontal column 31 of the rotating handrail portion 22 and the end portion on the far side in the drawing of the horizontal column 36 of the expanding rotating fence 34 of the expanding handrail portion 23 to each other. The butterfly bolt 24 holds the straight handrail portion 21, the rotating handrail portion 22 and the enlarged handrail portion 23 in the standing position. Further, a stopper (not shown) is provided for restricting the linear handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23 from being displaced between the lying position and the standing position. The stopper is formed by embossing or attaching a pin to predetermined portions of the straight handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23.

  In the elevator 1 having the above-described configuration, the hoisting machine moves the main rope 6 in the longitudinal direction thereof, thereby raising and lowering the car 2 and the counterweight 4 in the opposite directions to each other, and bringing the car 2 to a desired floor. Carry. At this time, the straight handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23 of the handrail 11 are positioned at the lying position indicated by the one-dot chain line in FIGS. 2, 4, and 6. When the elevator 1 performs maintenance and inspection of the equipment in the hoistway, the elevator 2 stops and the worker enters the hoistway from the entrance 19 of the landing, so that the car of the car 2 Get on top of chamber 14. An operator displaces the straight handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23 of the handrail 11 to the standing position shown by the solid line in FIGS. 3, 5, and 6, and uses the butterfly bolt 24. The other end portion of the rotating horizontal column 31 of the rotating handrail portion 22 and the end portion on the far side in the drawing of the horizontal column 36 of the expanding rotating fence 34 of the expanding handrail portion 23 are fixed to each other. An operator is located inside the straight handrail portion 21, the rotating handrail portion 22, and the enlarged handrail portion 23 of the handrail 11, and performs maintenance inspection and the like on the equipment in the hoistway. And after completion | finish of a maintenance check etc., an operator fixes the straight handrail part 21, the rotating handrail part 22, and the expansion handrail part 23 of the handrail 11 to a fall position, and the raising / lowering operation | movement of the passenger car 2 is restarted.

  In the standing position, the handrail 11 of the elevator 1 according to the first embodiment moves the upper end portion 35b of the long vertical column 35 of the expansion rotation fence 34 closer to the outside than the lower end portion 35a of the long vertical column 35 of the expansion rotation fence 34. Is provided with a positioning part 35c. For this reason, even if the lower end portion 35a of the long vertical column 35 of the enlarged rotation fence 34 is provided closer to the center of the upper surface 25 of the car 2 than the upper end portion 35b, the length of the enlarged rotation fence 34 is increased by the positioning portion 35c. Since the upper end part 35b of the vertical column 35 is located closer to the outer side of the upper surface 25 of the car 2, a work space that is a range in which an operator can perform activities during maintenance and inspection can be widened. Therefore, the handrail 11 can suppress interference with equipment in the hoistway at the lying down position without increasing the size of the hoistway. Therefore, the handrail 11 can secure a work space during maintenance and inspection without increasing the size of the hoistway.

  Further, the long vertical column 35 of the enlargement rotation fence 34 is formed in a crank shape in which the lower end portion 35a and the upper end portion 35b are parallel to each other and the positioning portion 35c intersects both the lower end portion 35a and the upper end portion 35b. Has been. For this reason, even if the lower end portion 35a of the long vertical column 35 of the enlarged rotation fence 34 is provided closer to the center of the upper surface 25 of the car 2 than the upper end portion 35b, the length of the enlarged rotation fence 34 is increased by the positioning portion 35c. The upper end portion 35 b of the scale vertical column 35 is surely positioned on the outer side of the upper surface 25 of the car 2. Therefore, it is possible to reliably widen the work space that is a range in which the worker can perform activities during the maintenance inspection. Therefore, the handrail 11 can ensure the work space at the time of maintenance inspection without enlarging the hoistway.

[Modification]
FIG. 7 is a perspective view of an elevator car handrail according to a modification of the first embodiment. In FIG. 7, the same parts as those of the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  In the modification of the first embodiment, one of the long vertical columns 28 and 35 connects the ends of the two horizontal columns 29 and 36 on the back side (the back side as viewed from the entrance / exit 19) in FIG. Connects the central portions of the two horizontal columns 29 and 36. The fixed columns 26 and 33 on the front side (entrance 19 side) in FIG. 7 are erected from the center of the outer edge portions 25a and 25b of the upper surface 25 of the car room 14 of the car 2.

  According to the handrail 11 of the first modification of the first embodiment, as in the first embodiment, it is possible to secure a work space during maintenance inspection without increasing the size of the hoistway.

[Embodiment 2]
FIG. 8 is a front view schematically showing a state in which the enlarged rotation fence of the elevator handrail according to the second embodiment is positioned at the lying down position, and FIG. 9 is for the elevator car according to the second embodiment. It is a front view which shows typically the state by which the expansion rotation fence of the handrail was positioned in the standing position. 8 and 9, the same parts as those of the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  In the second embodiment, as shown in FIGS. 8 and 9, the long vertical column 35 of the enlarged rotation fence 34 is divided into a horizontal member 36 as a positioning portion and a vertical member 37 as the other end portion. ing. The horizontal member 36 and the vertical member 37 are formed in a cylindrical shape extending linearly. One end 36 a of the horizontal member 36 is rotatably connected to the upper end of the fixed column 33. One end 36a of the horizontal member 36 corresponds to one end of the movable member. The horizontal member 36 is erected from the upper surface 25 in parallel with the fixed column 33 and overlapped with the fixed column 33 in the lying down position. The horizontal member 36 is disposed in the horizontal direction, that is, parallel to the upper surface 25 of the car 2 in the standing position, and extends from the fixed column 33 toward the outside of the upper surface 25.

  One end of the vertical member 37 is rotatably connected to the other end of the horizontal member 36. The vertical member 37 is disposed substantially parallel to the upper surface 25 of the car 2 at the lying down position and overlaps the upper surface 25. The vertical member 37 is arranged in parallel with the vertical direction at the standing position, and is erected from the upper surface 25. The vertical member 37 is disposed closer to the outer side of the upper surface 25 than the one end portion 36 a of the horizontal member 36 in a plan view of the upper surface 25.

  In the second embodiment, when the enlarged rotation fence 34 is displaced from the lying position to the standing position, the upper end portion of the fixed column 33 and the one end portion 36a of the horizontal member 36 are relatively moved along the arrow K1A in FIG. And the other end portion of the horizontal member 36 and the one end portion of the vertical member 37 are relatively rotated along the arrow K1B in FIG. Further, when the enlargement rotation fence 34 is displaced from the standing position to the lying position, the upper end portion of the fixed column 33 and the one end portion 36a of the horizontal member 36 are relatively rotated along the arrow K1C in FIG. At the same time, the other end of the horizontal member 36 and one end of the vertical member 39 are relatively rotated along the arrow K1D in FIG.

  Thus, the horizontal member 36 is erected from the upper surface 25 so as to overlap the fixed column 33 when positioned at the lying position, and fixed to the fixed column via the one end 36a so as to be parallel to the upper surface 25 when positioned at the standing position. 33 is rotatably connected. Further, the vertical member 37 is rotatably connected to the horizontal member 36 so as to overlap the upper surface 25 when positioned at the lying position and to stand upright from the upper surface 25 when positioned at the standing position.

  According to the handrail 11 of the second embodiment, the horizontal member 36 and the vertical member 37 of the long vertical column 35 of the expansion rotation fence 34 are rotatably connected to each other, and the horizontal member 36 is fixed via the one end 36a. The column 33 is rotatably connected. For this reason, even if the one end portion 36 a of the horizontal member 36 of the long vertical column 35 is provided closer to the center of the upper surface 25 of the car 2 than the vertical member 37 in the standing position, the horizontal rotating member 34 is expanded by the horizontal member 36. The vertical member 37 can be reliably positioned on the outer side of the upper surface 25 of the car 2. Therefore, it is possible to reliably widen the work space that is a range in which the worker can perform activities during the maintenance inspection. Therefore, the handrail 11 can ensure the work space at the time of maintenance inspection without enlarging the hoistway.

[Embodiment 3]
FIG. 10 is a front view schematically showing a state in which an enlarged rotation fence of an elevator car handrail according to the third embodiment is positioned at a lying position, and FIG. 11 is an elevator car according to the third embodiment. It is a front view which shows typically the state by which the expansion rotation fence of the handrail was positioned in the standing position. 10 and 11, the same reference numerals are given to the same portions as those in the first embodiment and the description thereof is omitted.

  In the third embodiment, as shown in FIGS. 10 and 11, the long vertical column 35 of the enlarged rotation fence 34 is divided into a bowl-shaped bowl-shaped member 38 and a vertical member 39 as the other end. ing. The bowl-shaped member 38 is integrally provided with a vertical portion 38a as one end portion and a horizontal portion 38b as a positioning portion. The vertical portion 38a and the horizontal portion 38b of the bowl-shaped member 38 and the vertical member 39 are formed in a cylindrical shape extending linearly. The vertical portion 38 a is rotatably connected to the upper end portion of the fixed column 33. The vertical portion 38 a is disposed in a state where the vertical portion 38 a extends from the upper end portion of the fixed column 33 toward the center of the upper surface 25 in parallel with the upper surface 25. The vertical portion 38 a is arranged on the same line as the fixed column 33 in the standing position.

  The horizontal part 38b extends in a direction orthogonal to the vertical part 38a from the end of the vertical part 38a on the side away from the fixed column 33. The horizontal portion 38b is arranged in a state of standing from the upper surface 25 at the lying down position. The horizontal portion 38 b is arranged from the vertical portion 38 a, that is, the fixed column 33 toward the outside of the upper surface 25 in parallel with the upper surface 25 in the standing position. The horizontal part 38b includes a slit 40 as a slide support part. The slit 40 is provided over the entire length of the horizontal portion 38b and extends parallel to the horizontal portion 38b. The slit 40 passes the slide pin 41 provided at one end portion of the vertical member 39 inward, and supports the vertical member 39 movably along the longitudinal direction of the horizontal portion 38b.

  Thus, when the long vertical column 35 of the enlargement rotation fence 34 is positioned at the standing position, both the vertical portion 38a and the vertical member 39 are arranged in parallel with the vertical direction as shown in FIG. When positioned in the standing position, the horizontal portion 38 b is connected to the vertical portion 38 a and is arranged in parallel with the upper surface 25, and has a slit 40 that slidably supports the vertical member 39 in parallel with the upper surface 25. .

  In the third embodiment, the vertical member 39 and the horizontal portion 38b are relatively moved along the arrow K3A in FIG. 10 when the enlarged rotation fence 34 is displaced from the lying position to the standing position. 38a and the upper end portion 35b of the fixed column 33 are relatively rotated along the arrow K3B in FIG. Further, when displacing the enlarged rotation fence 34 from the standing position to the lying position, the vertical member 39 and the horizontal portion 38b are relatively moved along the arrow K3C in FIG. 11 and fixed to the vertical portion 38a. The upper end 35b of the column 33 is relatively rotated along the arrow K3D in FIG.

  According to the handrail 11 of the third embodiment, the vertical portion 38a and the vertical member 39 are parallel to each other, and the horizontal portion 38b is orthogonal to (intersects) both the vertical portion 38a and the vertical member 39. A slit 40 is provided as a slide support for slidably supporting the vertical member 39. Therefore, even if the vertical portion 38 a of the long vertical column 35 of the enlarged rotation fence 34 is provided closer to the center of the upper surface 25 of the car 2 than the vertical member 39, the vertical member 39 is slid by the slit 40. The vertical member 39 of the long vertical column 35 of the enlargement rotation fence 34 can be surely positioned on the outer side of the upper surface 25 of the car 2, and a work space that is within a range in which workers can perform activities during maintenance inspections. It can surely be widened. Therefore, the handrail 11 can ensure the work space at the time of maintenance inspection without enlarging the hoistway.

[Embodiment 4]
FIG. 12 is a front view schematically showing a state in which the enlarged rotation fence of the elevator railing for the elevator car according to the fourth embodiment is positioned at the lying down position, and FIG. 13 is for the elevator car according to the fourth embodiment. It is a front view which shows typically the state by which the expansion rotation fence of the handrail was positioned in the standing position. In FIG. 12 and FIG. 13, the same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  In the fourth embodiment, the enlarged rotation fence 34 is provided with a slit 42 at an upper end portion 35 b as the other end portion of the long vertical column 35, and further includes a peeling plate 43. The slit 42 extends along the longitudinal direction of the upper end portion 35 b as the other end portion of the long vertical column 35. The peeler plate 43 is formed in a flat plate shape, and is provided with a slide pin 44 that can enter the slit 42 and move within the slit 42 at one end. The peeling plate 43 is arranged in parallel with the upper end portion 35b as the slide pin 44 enters the slit 42. The peeling plate 43 is slidably provided in parallel with the upper end portion 35b as the slide pin 44 moves in the slit 42. The peeling plate 43 is placed between the upper end portions 35 b of the two long vertical columns 35 so as to overlap the upper end portion 35 b of the long vertical column 35 in the lying down position. The peeling plate 43 is arranged in parallel with the upper surface 25 in the lying down position, and overlaps the upper surface 25 without protruding from the outer edge portion 25 b of the upper surface 25. When the peeler plate 43 is positioned at the standing position, it slides along the slit 42 from the upper end portion 35 b of the long vertical column 35 and comes into contact with the upper surface 25. When the peeling plate 43 is positioned in the standing position, it extends from the upper end portion 35b of the long vertical column 35 toward the upper surface 25, and between the upper end portion 35b of the two long vertical columns 35 and the upper surface 25. Block it.

  In the fourth embodiment, when the enlarged rotation fence 34 is displaced from the lying position to the standing position, the long vertical column 35 is rotated along the arrow K4A in FIG. 12 along the arrow K4B. Further, when displacing the enlarged rotation fence 34 from the standing position to the lying position, the long vertical column 35 is rotated along the arrow K4C in FIG. 13 and the striking plate 43 is slit 42, that is, in FIG. Move along arrow K4D.

  According to the handrail 11 of the fourth embodiment, in addition to the effects of the first to third embodiments described above, the enlarged rotation fence 34 positioned at the standing position is the upper end as the other end of the long vertical column 35. A post 43 extending from the portion 35b toward the upper surface 25 of the car 2 is provided. For this reason, the movement of the object from the inside to the outside of the handrail 11 is suppressed by the cover plate 43. Therefore, it is possible to suppress a tool or the like from being unexpectedly dropped into the hoistway during maintenance and inspection work.

  In the present invention, the splash plate 43 in the fourth embodiment is slidably provided not only in the first embodiment but also on the long vertical column 35 of the enlarged rotation fence 34 shown in the second and third embodiments. May be.

  Although some embodiments and modifications of the present invention have been described, these embodiments and modifications are presented as examples and are not intended to limit the scope of the invention. These embodiments and modifications can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Elevator 2 Car 25 Upper surface 33 Fixed pillar (fixing member)
34 Enlarging rotation fence (movable member)
35a Lower end (one end)
35b Upper end (other end)
35c Positioning part 36 Horizontal member (positioning part)
36a One end part 37 Vertical member (other end part)
38a Vertical part (one end)
38b Horizontal part (positioning part)
39 Vertical member (other end)
40 slit (slide support)
43 Board

Claims (5)

A fixing member erected from the upper surface of the elevator car;
A movable member whose one end is rotatably connected to the fixed member so as to be freely displaceable between a lying position overlapping the upper surface of the car and a standing position standing from the upper surface;
In a plan view of the upper surface, the other end of the movable member positioned at the standing position away from the fixed member than the one end of the movable member positioned at the standing position is a car. A positioning part positioned on the outer side of the upper surface of
Handrail for elevator cars. The movable member is
When positioned in the standing position, both the one end and the other end are arranged in parallel with the vertical direction, and the positioning portion connects the one end and the other end in parallel with the upper surface. Arranged and formed in a crank shape when viewed from the side,
A handrail for an elevator car according to claim 1. The movable member is
When the positioning portion is positioned at the lying position, it is erected from the upper surface and is rotatably connected to the fixing member via the one end so as to be parallel to the upper surface when positioned at the standing position,
The other end portion is rotatably connected to the positioning portion so as to overlap the upper surface when positioned at the lying position and to stand from the upper surface when positioned at the standing position.
A handrail for an elevator car according to claim 1. The movable member is
When positioned in the standing position, both the one end and the other end are arranged in parallel with the vertical direction, and
The positioning portion is connected to the one end portion and arranged in parallel with the upper surface, and has a slide support portion that slidably supports the other end portion in parallel with the upper surface.
A handrail for an elevator car according to claim 1. The movable member is
The other end portion is provided slidably in parallel with the other end portion, and when positioned at the standing position, includes a peeling plate extending from the other end portion toward the upper surface.
An elevator car handrail according to any one of claims 1 to 3.

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