JP2008184231A - Handrail device inside car of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a handrail device inside a car of an elevator easy for one person to release baggage caught between a wall plate of the car and the handrail. <P>SOLUTION: This handrail inside a car of an elevator comprises a fixed body portion 35A having a first guide hole 37a, which is opened on one end side and provided with a limiting projection part 36b in the inner wall on the opening side, and a second guide hole 38a, which is opened on one end side and communicating an intermediate part of the first guide hole 37a with the outside, and fitted to the wall plate 4 of the car with a predetermined distance, a slide arm 12 inserted into the first guide hole 37a in one end thereof and fitted to the fixed body portion 35a freely to reciprocate between a normal position and a drawn position, a handrail 11 fixed to the other end of the slide arm 12, a slide limiting member 25A arranged freely to get in/out of the first guide hole 37a in a tip thereof, and a slide limiting member moving means comprising a bearing 40 for moving the slide limiting member 25A to reciprocate in the hole direction of the second guide hole 38a and a stopper moving screw 21A. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an elevator car handrail device, and more particularly to a structure for attaching a handrail to a car wall plate.

  A conventional elevator elevator cab has a plurality of convex mounting seats whose flanges are fixed to the inner surface of the side plate, arm portions whose front ends are inserted into the convex portions of the mounting seats, And a handrail fixed to the rear end. The handrail is supported on the side plate via the arm portion by pressing the outer periphery of the front end side of the arm portion inserted into the convex portion with the tip of a set screw screwed into the convex portion from the lower portion of the convex portion. It was fixed (for example, refer patent document 1).

JP-A-8-282949

In a conventional elevator elevator cab, when an elevator user's luggage is sandwiched between the handrail and the side plate, the support and fixing of the handrail to the side plate is released to release the load.
That is, after the set screw screwed to the convex portion is removed, the arm portion to which the handrail is fixed is pulled out of the convex portion, thereby releasing the pinching of the load. Then, after the luggage was pulled out, the front end of the arm portion was again inserted into the convex portion, the set screw was screwed into the convex portion, and the handrail was supported and fixed to the side plate via the arm portion.

However, when the set screw is removed, the tip of the arm portion is simply inserted into the convex portion, and the arm portion and the handrail may fall from the convex portion.
Therefore, in general, the work related to supporting and fixing the handrail to the side plate or the release thereof is caused by dropping the handrail and the arm portion, causing damage to the load sandwiched between the handrail and the side plate, In order to avoid damaging the rail and the arm itself, it had to be done by multiple people, the person supporting the rail and the arm, and the person attaching or removing the set screw .

  The present invention has been made to solve the above-described problems. When an elevator user's baggage is sandwiched between a car room wall plate (side plate) and a handrail, the car cannot be removed. It is an object of the present invention to provide an elevator car indoor handrail device that can easily release a baggage between a room wall plate and a handrail alone.

  In the elevator car handrail device according to the present invention, each of the first guide hole and the hole direction in which one end side is opened and the restricting convex portion protrudes from the inner wall on the opening side is defined as the hole direction of the first guide hole. The first guide hole has a second guide hole that communicates the intermediate portion of the first guide hole with the outside, the hole direction of the first guide hole is orthogonal to the cab wall plate, and the first guide hole The fixed body part attached to the car room wall plate with a predetermined distance apart from the car interior opening and the one end side are inserted into the first guide hole, and the first extension amount from the first guide hole The first guide hole is extended from the first guide hole by a second extension amount larger than the first extension amount by engaging with the normal position and the restricting convex portion extending only and being prevented from being pulled out from the first guide hole. Each of the fixed main body portions can be reciprocated in the direction of the first guide hole between the drawing position to be moved. An attached slide arm, a handrail fixed to the other end of the slide arm and extending in parallel with the car room wall plate, and a second guide hole so that the tip can protrude and retract into the first guide hole. The tip is extended in the direction of the hole, the tip extends into the first guide hole, engages with the slide arm, locks the slide arm in a steady position, and the tip is buried in the second guide hole. A slide restricting member that disengages the slide arm and enables the slide arm to move; and a slide restricting member moving unit that reciprocates the slide restricting member in the hole direction of the second guide hole. .

  According to the present invention, even when an elevator user's luggage is caught between the car room wall plate and the handrail and cannot be removed, the handrail fixed to the slide arm is slid to move the luggage. It is possible to easily perform the work of releasing the pinching or returning the handrail to the normal position without dropping the handrail.

The best mode for carrying out the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
1 is a top view showing a car room where an elevator car handrail device according to Embodiment 1 of the present invention is disposed, FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1, and FIG. FIG. 4 is a sectional view taken along the line IV-IV of FIG. 3, and FIG. 5 is a drawing showing the handrail pulling operation of the elevator car indoor handrail device according to the first embodiment of the present invention. 5A is a side sectional view showing a state in which the restriction of the sliding movement of the slide arm by the stopper is released, and FIG. 5B is a direction in which the handrail is separated from the car room wall plate. It is a sectional side view which shows the state pulled out by.

In FIG. 1, an elevator cab 1 includes a car floor 2 having a substantially square outer periphery, a car wall wall plate 4 erected along three sides of the car floor 2 excluding the doorway 3, and both sides of the doorway 3. A sleeve wall 5 standing on the car floor 2 is provided.
A car indoor handrail device 10 </ b> A is disposed on each of the car room wall plates 4 erected on the three sides of the car floor 2.

Next, a specific configuration of the car indoor handrail device 10A will be described with reference to FIGS.
The car indoor handrail device 10A includes a handrail 11, a slide arm 12, a limit movable portion 20A, and a fixed main body portion 35A.

The limit movable portion 20A includes a stopper moving screw 21A as a first fastening member, a slide limit member 25A, a bearing 40, and a bearing mounting means 45.
The bearing 40 and the stopper moving screw 21A constitute a slide limiting member moving means.

  The stopper moving screw 21A is formed in a columnar shape, and a bearing arrangement hole 21a having a predetermined depth in the axial direction is coaxially formed on one end surface thereof. Further, a screw thread (not shown) is formed on the outer peripheral surface of the stopper moving screw 21A.

The slide limiting member 25A includes a stopper portion 26A, an intermediate base portion 27, and a bearing insertion portion 28.
The stopper portion 26A and the intermediate base portion 27 are formed in a columnar shape having a rectangular cross section, and the bearing insertion portion 28 is formed in a columnar shape. A stopper portion 26 </ b> A is integrated with one end surface of the intermediate base portion 27, and a bearing insertion portion 28 is integrated with the other end surface of the intermediate base portion 27 with the length direction and the center of the end surface aligned. At this time, the front end of the stopper portion 26A (the end opposite to the intermediate base portion 27) is the front end of the slide limiting member 25A, and the bearing insertion portion 28 side is the rear end of the slide limiting member 25A.
Further, the distal end side of the stopper portion 26A is processed such that a gap between one side of the cross-sectional rectangle and the other side parallel to the one side is inclined at a predetermined angle from one side to the other side.

  Further, when the stopper portion 26 </ b> A, the intermediate base portion 27, and the bearing insertion portion 28 are viewed from the length direction, the intermediate base portion 27 is included in the stopper portion 26 </ b> A, and the bearing insertion portion 28 is included in the intermediate base portion 27.

  The bearing 40 is fitted in the bearing insertion portion 28. The method of fitting the bearing 40 into the bearing insertion portion 28 is a so-called method in which the bearing 40 can rotate around the axis of the bearing insertion portion 28 and the movement of the bearing 40 in the axial direction of the bearing insertion portion 28 is limited. “Fitting method”.

Further, as shown in FIG. 4, the bearing mounting means 45 includes a pair of bearing pressing metal fittings 46 and set screws 47 which are processed into the same shape and the same size.
Each of the pair of bearing holding metal fittings 46 is formed in a semicircular shape, and when the notch 46a is aligned with each straight line portion of the pair of bearing holding metal fittings 46, the intermediate base portion 27 is formed. It is formed so as to correspond to the outer shape.

  And the bearing 40 is attached to the bearing arrangement | positioning hole 21a coaxially with the bearing arrangement | positioning hole 21a, and freely rotatable around an axial center. Further, a bearing holding metal fitting 46 is arranged so as to cover the bearing 40 and the portion of the stopper moving screw 21A radially outward of the bearing 40. The bearing holding metal 46 is fixed to the stopper moving screw 21A by a set screw 47. Thereby, the bearing 40 is clamped between the bearing pressing metal 46 and the bottom of the bearing mounting hole 21a, and interlocks with the movement of the stopper moving screw 21A.

  The fixed main body portion 35A includes a rectangular parallelepiped fixed base portion 36A and an upper closing plate 39, and is separated by a predetermined distance for each of the car room wall plates 4 standing along the three sides of the car floor 2 described above. Two are attached.

A concave portion 36a is formed between two parallel sides on the upper wall surface of each fixed base portion 36A. The upper closing plate 39 is fixed to the upper surface of the fixed base portion 36A so as to cover the recessed portion 36a, and the hole direction is aligned with the recessed portion 36a and the upper closing plate 39 in a direction perpendicular to the car room wall plate 4. A first guide hole 37a is also formed.
At this time, the fixed base portion 36A is fixed to the car room wall plate 4 with the opening on one end side of each first guide hole 37a facing the car room (the side opposite to the car room wall plate).
And the limitation convex part 36b is provided so that it may protrude in the perpendicular direction from the inner wall of the opening side of the end of the 1st guide hole 37a.

  Furthermore, a second guide hole 38a is formed in the fixed base portion 36A so that the hole direction coincides with the vertical direction and the intermediate portion of the first guide hole 37a communicates with the outside. The second guide hole 38a is formed in accordance with the outer shapes of the slide limiting member 25A and the stopper moving screw 21A described above.

The slide arm 12 has a quadrangular columnar arm main body 13 and a convex abutting portion 14 extending from one end of the arm main body 13 perpendicularly to the length direction of the arm main body 13.
One end side of the slide arm 12 is inserted into the first guide hole 37a. At this time, the projecting portion abutting portion 14 is disposed below the arm body 13 so as to project along the car room wall plate 4, and the tip thereof is in contact with the bottom of the recessed portion 36a.
Further, the other end side of the arm body 13 is extended from the first guide hole 37a by the first extension amount. And the intermediate part of the arm main body 13 is supported by the upper end of the restriction | limiting convex part 36b.

Each end of the cylindrical handrail 11 is fixed to the other end of each arm body 13 and extends in parallel to the car room wall plate 4.
At this time, since the slide arm 12 is surrounded by the wall surface of the recess 36a and the upper closing plate 39 fixed to the fixed base 36A with almost no gap, the slide arm 12 is attached to the fixed main body 35A in a state where movement in the vertical direction is restricted. Supported.

In addition, the fixed base portion 36A encloses the main portions of the stopper moving screw 21A and the slide restricting member 25A in the second guide hole 38a.
At this time, the stopper portion 26A is disposed so that the inclined portion faces the opposite side to the car room wall plate 4, and the lower portion of the stopper portion 26A is on the wall surface of the fixed base portion 36A that forms the second guide hole 38a. Surrounded by almost no gaps. Thus, the stopper portion 26A is restricted from moving in the horizontal direction and is restricted from rotating around the center of the second guide hole 38a.

  Further, the tip of the stopper portion 26A protrudes from the second guide hole 38a into the first guide hole 37a, and the convex contact portion 14 is sandwiched between the cab wall plate 4 and the stopper portion 26A. ing. That is, since the convex contact portion 14 of the slide arm 12 is engaged with the tip of the stopper portion 26A, the slide arm 12 is locked at the steady position, and the sliding movement along the first guide hole 37a is restricted. Is done. Thereby, the handrail 11 is fixed to the slide arm 12 at a stable position.

In addition, the position when the handrail 11 used by the elevator user is held in a normal position at a normal time is the steady position of the slide arm 12.
Further, the size of the portion of the second guide hole 38a surrounding the intermediate base portion 27 is larger than the size of the portion of the second guide hole 38a surrounding the stopper portion 26A.

  A female screw portion (not shown) is formed on the wall surface of the fixed base portion 36A that forms the portion of the second guide hole 38a that encloses the stopper moving screw 21A, and the stopper moving screw 21A is screwed into the female screw portion. ing. The lower end surface of the stopper moving screw 21A communicates with the outside through the lower opening of the second guide hole 38a. The stopper moving screw 21A can be rotated around the axis using a screwdriver or the like inserted into the second guide hole 38a from the lower opening of the second guide hole 38a.

  When the stopper moving screw 21A is rotated, a force for rotating the stopper portion 26A is applied, but the lower portion of the stopper portion 26A is surrounded by the wall of the fixed base portion 36A without a substantial gap, so the slide restricting member 25A. Is restricted, and only the stopper moving screw 21A rotates about the bearing insertion portion 28 as an axis. Accordingly, the stopper moving screw 21A can be moved either vertically or vertically along the second guide hole 38a in accordance with the rotation direction of the stopper moving screw 21A. It moves up and down in conjunction with the movement of 21A. Thereby, the front-end | tip part of 26 A of stopper parts can be freely made to appear and disappear in the 1st guide hole 37a (recessed part 36a) from the 2nd guide hole 38a of 36 A of fixed bases.

  In the elevator car handrail device 10A configured as described above, when the load is caught between the handrail 11 and the car room wall plate 4, the handrail 11 is slid to release the load. The operation to be performed will be described with reference to FIG.

  First, the stopper moving screw 21A of the restricting movable portion 20A supported by the fixed main body portion 35A is rotated on one end side of the handrail 11 in which the load is sandwiched between the cage wall plate 4 and the stopper moving screw 21A. As shown in FIG. 5A, the tip of the stopper portion 26A is buried in the second guide hole 38a. Thereby, the engagement between the stopper portion 26A and the slide arm 12 is released.

  At this time, the lower portion of the stopper moving screw 21A extends downward from the lower opening of the second guide hole 38a. When the tip of the stopper portion 26A comes to the position where it is buried in the second guide hole 38a, mark the portion of the stopper moving screw 21A that extends from the lower opening of the second guide hole 38a. If this is done, it can be readily seen that the tip of the stopper portion 26A is buried in the second guide hole 38a.

Similarly, on the other end side of the handrail 11 in which a load is sandwiched between the car room wall plate 4, the stopper moving screw 21A of the limit movable portion 20A is rotated to move the stopper moving screw 21A downward, and the stopper The tip of the portion 26A is buried in the second guide hole 38a, and the engagement between the stopper portion 26A and the slide arm 12 is released.
As a result, the slide arms 12 for fixing the handrail 11 can be slid and moved so that the handrail 11 can be pulled away from the car room wall plate 4.

  Next, as shown in FIG. 5B, when the handrail 11 is pulled out in a direction away from the car room wall plate 4, the distance between the car room wall plate 4 and the handrail 11 increases, The pinch is released.

  When the handrail 11 is continuously pulled out in the direction away from the car room wall plate 4, the convex contact part 14 is brought into contact with the restricting convex part 36 b, and in the direction away from the car room wall board 4 of the handrail 11. The drawing operation is restricted (blocked). At this time, the extension amount from the first guide hole 37a on the other end side of the arm body 13 is extended by a second extension amount larger than the first extension amount when the slide arm 12 is in the steady position. Has been issued. The position of the slide arm 12 when the arm main body 13 is extended from the first guide hole 37a by the second extension amount is set as a drawing position. As described above, when the stopper portion 26A is buried in the second guide hole 38a, the engagement between the stopper portion 26A and the slide arm 12 is released. It is possible to reciprocate between positions.

Next, after pulling out the load, the handrail 11 is pushed in until the convex contact portion 14 of the slide arm 12 contacts the car room wall plate 4. Further, the stopper moving screw 21A is rotated so that the upper portion of the stopper portion 26A protrudes from the second guide hole 38a into the recess 36a.
Thereby, the handrail 11 returns to a regular position in a stable state.

  In the first embodiment, the handrail 11 is supported by the fixed base 36 </ b> A attached to the car room wall plate 4 via the slide arm 12. And the stopper part 26A which clamps the convex part contact part 14 of the slide arm 12 between the cab wall plates 4 is simply rotated around the axis in the hole direction (vertical direction) of the second guide hole 38a. It is movable. That is, the restriction of the sliding movement by the stopper portion 26 </ b> A of the slide arm 12 in the steady position is released, and the handrail 11 can be easily pulled out in the direction away from the car room wall plate 4. Further, when the handrail 11 is continuously pulled out in the direction away from the car room wall plate 4, the protruding portion abutting portion 14 comes into contact with the limiting protruding portion 36b of the fixed base portion 36A when the slide arm 12 comes to the drawing position. The sliding movement of the handrail 11 in the direction away from the car chamber wall plate 4 is limited, and the handrail 11 does not fall out of the fixed base portion 36A.

  Therefore, even when the elevator user's luggage is caught between the car room wall plate 4 and the handrail 11, the luggage is released or the handrail 11 is returned to the normal position. The work to be performed can be easily performed by one person without dropping the handrail 11.

Embodiment 2. FIG.
6 is a side sectional view of an elevator car handrail device according to Embodiment 2 of the present invention, and corresponds to FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. 6, and FIG. 8 is a view showing the handrail drawing operation of the elevator car indoor handrail device according to Embodiment 2 of the present invention. ) Is a side sectional view showing a state in which the restriction of the sliding movement of the slide arm by the stopper portion is released, and FIG. 8B is a side sectional view showing a state in which the handrail is pulled away from the car room wall plate. FIG.
6 to 8, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

6 and 7, the car indoor handrail device 10B has a limited movable portion 20B and a fixed main body portion 35B.
The limit movable unit 20B includes a slide limit member 25B and a shaft rotation member 50 as a slide limit member moving unit.

  The shaft rotating member 50 includes a cylindrical portion 50a, and a flange 50b whose outer peripheral shape protrudes coaxially with the cylindrical portion 50a from the outer periphery of both ends of the cylindrical portion 50a in the radial direction of the cylindrical portion 50a. ing. An internal thread portion (not shown) is formed on the inner peripheral surface of the cylindrical portion 50a.

The slide limiting member 25B includes a cylindrical movable screw 48 as a second fastening member, and a stopper portion 26B having a square section fixed integrally to the movable screw 48 so as to protrude vertically from the upper end surface of the movable screw 48. Have. At this time, the front end of the stopper portion 26B is the front end of the slide limiting member 25B, and the movable screw 48 side is the rear end of the slide limiting member 25B. In addition, the front end side of the stopper portion 26B is cut so that a portion between one side of the square section and the other side facing the side is inclined at a predetermined angle from one side to the other side. Further, on the outer peripheral surface of the movable screw 48, a screw thread (not shown) corresponding to the female screw portion of the cylindrical portion 50a is formed.
The movable screw 48 is screwed into the female screw portion of the cylindrical portion 50a.

The fixed main body portion 35B has a rectangular parallelepiped fixed base portion 36B and an upper closing plate 39, and is separated by a predetermined distance for each of the car room wall plates 4 erected along the three sides of the car floor 2 described above. It is attached.
In the fixed base portion 36B, a second guide hole 38b is formed so that the hole direction coincides with the vertical direction and the intermediate portion of the first guide hole 37a communicates with the outside. The second guide hole 38b is formed in accordance with the outer shapes of the shaft rotation member 50 and the slide limiting member 25B.

In addition, the fixed base portion 36B encloses the main portions of the shaft rotation member 50 and the slide limiting member 25B in the second guide hole 38b.
At this time, the stopper portion 26B is arranged so that the inclined portion faces the opposite side to the car room wall plate 4, and the lower portion of the stopper portion 26B is on the wall surface of the fixed base portion 36B that forms the second guide hole 38b. Surrounded by almost no gaps. Thereby, the horizontal movement of the slide restricting member 25B is restricted, and the rotation around the hole center of the second guide hole 38b is restricted.

  Further, the distal end side of the stopper portion 26B protrudes into the first guide hole 37a (recess 36a), and the convex contact portion 14 of the slide arm 12 is sandwiched between the car room wall plate 4 and the stopper portion 26B. It is in the state. That is, since the projecting portion abutting portion 14 of the slide arm 12 is engaged with the tip of the stopper portion 26B, the slide arm 12 is locked at the steady position, and the sliding movement along the first guide hole 37a is restricted. Is done. Thereby, the handrail 11 is fixed to the slide arm 12 at a stable position.

  The flange 50b on the lower end side of the shaft rotating member 50 is disposed so as to protrude from the lower opening of the second guide hole 38b with a predetermined thickness and to extend radially outward from the lower opening. The portion of the second guide hole 38b that encloses the flange 50b on the upper end side of the shaft rotating member 50 is formed along the uneven shape of the flange 50b, and the flange 50b on the upper end side is surrounded by the fixed base 36B. Yes. As a result, the shaft rotating member 50 is supported by the fixed base portion 36B, and the movement in the horizontal direction and the hole direction of the second guide hole 38b is restricted, while the periphery of the hole center of the second guide hole 38b (cylindrical). Around the axis of the portion 50a).

  That is, when the flange 50b on the lower end side of the cylindrical portion 50a is rotated around the axis of the cylindrical portion 50a, the movable screw 48 screwed into the cylindrical portion 50a tries to rotate around the axis in conjunction with the cylindrical portion 50a. Although the force works, the portion below the stopper portion 26B having a square section is surrounded by the wall surface of the fixed base portion 36B that forms the second guide hole 38b without any gap, so that the rotation of the movable screw 48 is restricted. . The force for rotating the movable screw 48 is converted into a force for moving the movable screw 48 in the axial direction (the direction of the second guide hole 38b).

  Accordingly, when the shaft rotating member 50 is rotated around the axis, the movable screw 48 and the stopper portion 26B are moved in any of the vertical directions according to the rotation direction of the shaft rotating member 50. Therefore, the upper end of the stopper portion 26B The portion can be freely projected and retracted from the second guide hole 38b of the fixed base 36B to the first guide hole 37a.

  In the elevator car interior movable handrail device 10B configured as described above, when the luggage is sandwiched between the handrail 11 and the car room wall plate 4, the handrail 11 is slid to hold the luggage. The releasing operation will be described with reference to FIG.

  First, the shaft rotating member 50 is rotated by holding the flange 50b on the lower end side of the shaft rotating member 50 at one end side of the handrail 11 in which a load is sandwiched between the car room wall plate 4 and the car shaft. Then, the movable screw 48 and the stopper portion 26B are moved downward, and the tip of the stopper portion 26B is buried in the second guide hole 38b as shown in FIG. Thereby, the engagement between the stopper portion 26B and the slide arm 12 is released.

Similarly, on the other end side of the handrail 11 in which the load is sandwiched between the car room wall plate 4, the shaft rotating member 50 is rotated to move the movable screw 48 downward, and the tip of the stopper portion 26B is moved to the first position. 2 is buried in the second guide hole 38b, and the engagement between the stopper portion 26B and the slide arm 12 is released.
As a result, the slide arms 12 at both ends of the handrail 11 can be slid, so that the handrail 11 can be pulled out in a direction away from the car room wall plate 4.

Next, as shown in FIG. 8B, when the handrail 11 is pulled away from the car room wall plate 4, the distance between the car room wall plate 4 and the handrail 11 increases, The pinch is released.
Further, when the handrail 11 is continuously pulled out in the direction away from the car room wall plate 4, the convex contact part 14 is brought into contact with the restricting convex part 36 b, and the car hand rail 11 after that from the car room wall board 4. The pull-out operation in the direction of separating is limited.

Next, the handrail 11 is pushed in until the convex contact portion 14 of the slide arm 12 comes into contact with the cab wall plate 4 to rotate the shaft rotating member 50 and move the movable screw 48 and the stopper portion 26B vertically upward. The upper portion of the stopper portion 26B is projected from the second guide hole 38b to the recess 36a.
Thereby, the stopper part 26B and the convex part contact part 14 of the slide arm 12 are engaged, the sliding movement of the slide arm 12 is restricted at the steady position, and the handrail 11 returns to the normal position in a stable state. To do.

In the second embodiment, the handrail 11 is supported by the fixed base 36 </ b> B attached to the car room wall plate 4 via the slide arm 12. And the stopper part 26B which clamps the convex part contact part 14 of the slide arm 12 between the cab wall plates 4 can be moved in the hole direction of the second guide hole 38a only by rotating the shaft rotating member 50. It has become. That is, the restriction of the sliding movement of the slide arm 12 in the steady position is released, and the handrail 11 can be easily pulled out in the direction away from the car room wall plate 4.
Further, when the handrail 11 is continuously pulled out in the direction away from the car room wall plate 4, the protruding portion abutting portion 14 comes into contact with the limiting protruding portion 36b of the fixed base portion 36B when the slide arm 12 comes to the drawing position. Further pulling movement of the handrail 11 in the direction away from the car room wall plate 4 is limited, and the handrail 11 does not fall out of the fixed base portion 36B.
Therefore, the same effect as in the first embodiment can be obtained.

Embodiment 3 FIG.
FIG. 9 is a side sectional view showing the structure of an elevator car handrail device according to Embodiment 3 of the present invention, and corresponds to FIG. FIG. 10 is a side sectional view showing the handrail pulling-out operation of the elevator car indoor handrail device according to Embodiment 3 of the present invention.
9 and 10, the same parts as those in the first and second embodiments are denoted by the same reference numerals, and the description thereof is omitted.

In FIG. 9, the elevator car indoor handrail device 10 </ b> C includes a limit movable portion 20 </ b> C and a fixed main body portion 35 </ b> C.
Further, the limit movable portion 20C includes a slide limit member 25C and a spring 59 as a slide limit member moving means.

  The slide limiting member 25 </ b> C includes a columnar member 57 and a stopper portion 26 </ b> C having a substantially square cross section that is integrally fixed to the columnar member 57 so as to protrude vertically from the upper end surface of the columnar member 57. At this time, the end on the stopper portion 26C side is the tip of the slide limiting member 25C, and the column member 57 side is the rear end of the slide limiting member 25C. In addition, the front end side of the stopper portion 26 </ b> C is cut so that the gap between one side and the other side facing the side is inclined at a predetermined angle from one side to the other side. In addition, a pair of spring fixing convex portions 58 project outward from two parallel sides of the four sides having a square cross section at the intermediate portion in the length direction of the stopper portion 26C.

The fixed main body portion 35C includes a fixed base portion 36C and an upper closing plate 39, and is attached to each of the car room wall plates 4 erected along the three sides of the car floor 2 at a predetermined distance.
The fixed base portion 36C is formed with a second guide hole 38c so that the hole direction coincides with the vertical direction and the intermediate portion of the first guide hole 37a communicates with the outside.
Further, the fixed base portion 36C encloses the main portions of the cylindrical member 57 and the stopper portion 26C in the second guide hole 38c.

  A part of the intermediate portion of the stopper portion 26C is surrounded by the wall surface of the fixed base portion 36C that forms the second guide hole 38c with almost no gap. Further, a spring arrangement space 62 is formed in the second guide hole 38c below the middle part of the stopper portion 26C. The spring arrangement space 62 has a predetermined length above and below the spring fixing convex portion 58. Further, the columnar member 57 is surrounded by the wall of the fixed base portion 36C that forms the second guide hole 38c with almost no gap.

  And the spring 59 is arrange | positioned in the state which tension | tensile_strength (urging | biasing force) acts between the spring fixed convex part 58 and the wall surface of 36 C of fixed bases above the spring fixed convex part 58. FIG. The tension of the spring 59 is larger than the gravity of the stopper portion 26 </ b> C and the column member 57. At this time, in the no-load state, the tip of the stopper portion 26C extends into the first guide hole 37a due to the tension of the spring 59, and the stopper portion 26C and the convex portion contact portion 14 of the slide arm 12 are engaged. ing. As a result, the slide arm 12 is locked at the steady position, and the slide movement along the first guide hole 37a is restricted.

  Further, the stopper portion 26 </ b> C is arranged such that the inclined portion formed at the upper portion thereof faces the side opposite to the car room wall plate 4.

A handle 60 is fixed to the lower end of the cylindrical member 57 so that the handle 60 can be grasped from the lower opening of the second guide hole 38c. When the handle 60 is pulled vertically downward with a tension greater than the tension of the spring 59, the cylindrical member 57 and the stopper portion 26C are moved vertically downward.
Thereby, the front end side of the stopper portion 26C is buried in the second guide hole 38c when the handle 60 is pulled vertically downward, and the engagement between the stopper portion 26C and the slide arm 12 is released.

In addition, an engagement hole 57 a having a predetermined depth in the radial direction is formed on the outer peripheral surface of the intermediate portion in the axial direction of the cylindrical member 57. Furthermore, an engaging rod 61 whose length direction is aligned with the radial direction of the cylindrical member 57 is provided on the lower surface of the fixed base portion 36C so as to be slidable in the radial direction. The engagement hole 57a is formed at a position where the engagement rod 61 can be inserted when the cylindrical member 57 is pulled vertically downward by a predetermined distance.
Since the spring 59 is extended in the direction of the second guide hole 38c in the spring installation space 62, the tension of the spring 59 works to pull the column member 57 and the stopper portion 26C back upward. By inserting the rod 61 into the engagement hole 57a, the cylindrical member 57 and the stopper portion 26C are held in that position even when the handle 60 is released.

  In the elevator car interior movable handrail device 10C configured as described above, when a load is sandwiched between the handrail 11 and the car room wall plate 4, the handrail 11 is slid to hold the load. The releasing operation will be described with reference to FIG.

First, on one end side of the handrail 11 in which a load is sandwiched between the car room wall plate 4, the handle 60 fixed to the column member 57 is pulled vertically downward to extend the column member 57 below the fixed base 36 </ b> C. The engagement rod 61 is inserted through the engagement hole 57a.
Accordingly, the position of the stopper portion 26C is held in a state where the tip of the stopper portion 26C is buried in the second guide hole 38c, and the restriction on the sliding movement of the slide arm 12 is released.

Similarly, on the other end side of the handrail 11 in which the luggage is sandwiched between the car room wall plate 4, the handle 60 fixed to the columnar member 57 is pulled vertically downward, and the distal end side of the stopper portion 26 </ b> C is set to the second side. The engaging rod 61 is inserted into the engaging hole 57a.
Thereby, since the restriction | limiting of the slide movement of the both slide arms 12 of the both ends of the handrail 11 was cancelled | released, the handrail 11 can be pulled out in the direction away from the cage room wall board 4. FIG.
Next, when the handrail 11 is pulled out in the direction away from the car room wall plate 4, the distance between the car room wall plate 4 and the handrail 11 is released, and the jamming of the luggage is released.

  When the handrail 11 is continuously pulled out in the direction away from the car room wall plate 4, the convex part abutting part 14 is brought into contact with the restricting convex part 36b, and the direction in which the handrail 11 is separated from the car room wall board 4 thereafter. The drawer operation is restricted.

Next, after pulling out the load, the handrail 11 is pushed in until the convex portion abutting portion 14 of the slide arm 12 abuts against the car room wall plate 4, and the engaging rod 61 is moved outward in the radial direction of the column member 57. By sliding, the engaging rod 61 is extracted from the engaging hole 57a.
At this time, the columnar member 57 and the stopper portion 26C are moved vertically upward by the tension of the spring 59, and the tip end side of the stopper portion 26C is projected from the upper opening of the second guide hole 38c into the first guide hole 37a. Thereby, the stopper part 26C and the convex part contact part 14 of the slide arm 12 are engaged, the slide movement of the slide arm 12 is restricted at the steady position, and the handrail 11 returns to the normal position in a stable state. .

In the third embodiment, the handrail 11 is supported by a fixed base 36C attached to the car room wall plate 4 via a slide arm. Then, the stopper portion 26C that engages with the convex contact portion 14 of the slide arm 12 in a steady position and restricts the sliding movement of the slide arm 12 simply pulls the handle 60 downward, and the hole of the second guide hole 38c. It can move in the direction. That is, one person can easily remove the restriction of the sliding movement of the slide arm 12 in the steady position and pull the handrail 11 away from the car room wall plate 4.
Further, when the handrail 11 is continuously pulled out, the protruding portion abutting portion comes into contact with the restricting protruding portion 36b of the fixed base portion 36C when the slide arm 12 comes to the drawing position, and further pulling of the handrail 11 is restricted. Therefore, the handrail 11 does not fall off from the fixed base portion 36C.
Therefore, the same effect as in the first embodiment can be obtained.

  In each embodiment, each of the second guide holes 38a to 38c has been described as being formed in each of the fixed bases 36A to 36C with the hole direction aligned with the vertical direction. Each of the guide holes 38a to 38c is not limited to one in which the hole direction coincides with the vertical direction, and may be formed so that the hole direction is orthogonal to the hole direction of the first guide hole 37a.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a top view showing a car room in which an elevator car handrail device according to a first embodiment of the present invention is disposed. It is II-II arrow sectional drawing of FIG. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. FIG. 4 is a cross-sectional view taken along arrow IV-IV in FIG. 3. It is a figure which shows the drawer operation | movement of the handrail of the elevator car indoor handrail apparatus which concerns on Embodiment 1 of this invention. It is a sectional side view of the elevator car indoor handrail apparatus which concerns on Embodiment 2 of this invention. It is VII-VII arrow sectional drawing of FIG. It is a figure which shows the drawer operation | movement of the handrail of the elevator car indoor handrail apparatus which concerns on Embodiment 2 of this invention. It is a sectional side view which shows the structure of the elevator car handrail apparatus which concerns on Embodiment 3 of this invention. It is a sectional side view which shows the drawer operation | movement of the handrail of the elevator car indoor handrail apparatus which concerns on Embodiment 3 of this invention.

Explanation of symbols

  4 Car room wall plate, 10A-10C Car room handrail device, 11 Handrail, 12 Slide arm, 21A Stopper moving screw (first fastening member, slide restricting member moving means), 25A-25C Slide restricting member, 36b Convex part, 37a 1st guide hole, 38a-38c 2nd guide hole, 35A-35C fixed main-body part, 40 bearing (slide restricting member moving means), 48 movable screw (2nd fastening member), 50 axis rotation Member (slide limiting member moving means), 59 spring (slide limiting member moving means).

Claims (4)

Each of the first guide holes is open at one end, the first guide hole and the hole direction of the limiting protrusion projecting from the inner wall on the opening side are orthogonal to the hole direction of the first guide hole. A second guide hole that communicates between the intermediate portion and the outside of the first guide hole, the hole direction of the first guide hole is perpendicular to the car wall plate, and the opening of the first guide hole is in the car room. Facing the fixed body part attached to the cab wall plate at a predetermined distance,
One end side is inserted into the first guide hole, and a normal position extending from the first guide hole by a first extension amount is engaged with the limiting convex portion and pulled out from the first guide hole. Is prevented, and can be reciprocated in the hole direction of the first guide hole between the extension position extended from the first guide hole by a second extension amount larger than the first extension amount. A slide arm attached to each of the fixed body parts;
A handrail fixed to the other end of the slide arm and extending in parallel with the cab wall plate;
A distal end is disposed in the second guide hole so as to be movable in the direction of the hole so that the distal end can be moved into and out of the first guide hole, and the distal end extends into the first guide hole and engages with the slide arm. And the slide arm is locked in the steady position, the tip is buried in the second guide hole to disengage from the slide arm, and the slide limit enables the slide arm to move. A member,
Slide limiting member moving means for reciprocating the slide limiting member in the hole direction of the second guide hole;
An elevator car handrail device comprising an elevator. The slide restricting member is disposed in the fixed main body portion with the rotation around the hole center of the second guide hole being restricted,
The slide restricting member moving means is screwed into a female screw portion formed on the wall surface of the second guide hole, and rotates around the axis of the female screw portion to reciprocate in the hole direction of the second guide hole. A first fastening member attached to the fixed main body portion as possible, and a bearing attached coaxially to the upper end of the first fastening member and rotatably about the axis;
2. The elevator cab handrail device according to claim 1, wherein a rear end of the slide limiting member is connected to the bearing by a fitting method. The slide restricting member is disposed in the fixed main body portion with the rotation around the hole center of the second guide hole being restricted,
The slide restricting member moving means is attached to the second guide hole such that the movement of the second guide hole in the hole direction is restricted and rotatable around the hole center of the second guide hole. A shaft rotation member having the rear end of the slide limiting member screwed thereto;
The elevator car handrail device according to claim 1, wherein the slide limiting member reciprocates in the hole direction of the second guide hole by the rotation of the shaft rotating member. The slide limiting member moving means includes a spring that biases the slide limiting member so as to extend the tip of the slide limiting member into the first guide hole,
In a no-load state, the tip of the slide limiting member extends into the first guide hole by the biasing force of the spring, the slide limiting member and the slide arm are engaged, and the slide limiting member is attached to the spring. 2. The elevator car handrail device according to claim 1, wherein the elevator car interior handrail device is configured to be moved against an urging force to disengage the slide restricting member from the slide arm.

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