JP2003095557A - Handrail of elevator cage and its assembly method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail of an elevator cage free to adjust dimensions without spoiling an outer appearance in design and its assembly method. SOLUTION: This handrail of the elevator cage is constituted of a plural number of divided handrail parts set in the lateral direction on a side plate forming the elevator cage, each of these handrail parts has a projected part or a recessed part to be fitted adjacent to its end part, the projected part has a through hole in the vertical direction against its projecting direction and it is connected to and fixed in the recessed part by a screw through this through hole, and the through hole constitutes its characteristic feature of having a long shape in the projecting direction of the projected part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail for a car room of an elevator, and more particularly to a continuous integrated handrail in which a plurality of handrail parts are connected to three side plates to form an integrated handrail.

[0002]

2. Description of the Related Art Conventionally, an elevator car room is a room surrounded by an entrance surface with an entrance door, left and right side wall surfaces and four front wall surfaces in front of the entrance, a ceiling surface and a floor surface. There is a structure, and a handrail extending laterally from the aspect of safety and design of the car room may be installed in such a car room.

FIG. 6 (a) is a plan view of an example of a conventional elevator cab, FIG. 6 (b) is a perspective view of a joint insertion type bracket, and FIGS. 6 (c) and 6 (d) show the joint insertion type bracket on a side plate. The figure seen from the horizontal and the figure seen from above when attached together are shown. The wall surface of the car room of the elevator is usually composed of an entrance post plate 61 and a side plate 62 at the entrance part, and joints 63 sandwiched between the fastening parts of the side plates 62, and a plurality of side plates 62 are used depending on the size of the car room. And adjacent side plate 6
The joint 63 is sandwiched between the two and is fastened with bolts 65 to be assembled.

Handrail 60 installed in the elevator car room
Has a handrail bracket for fixing to a wall surface, and often uses a joint insertion type bracket 64 from the viewpoint of the design of the cab room. The joint insertion type bracket 64 is shown in FIG.
As shown in (c) and (d), when the side plate 62 is fastened, the side plate 62 is inserted into a part of a joint 63, and the side plate 62 is fastened with a bolt 65 at the mutual fastening portion.

Further, the handrails are often installed on the left and right side surfaces and the front surface other than the entrance side wall surface of the car room. Further, the design is emphasized and the handrails are continuously formed on the three surfaces as shown in FIG. 6 (a). The continuous integrated handrail handrail 60 having the shape of the integrated structure is often used. The continuous integrated handrail is divided into several parts from the handrail main body from the viewpoint of handrail production and installation work in the car room, and they are connected in a continuous shape to form the final wall surface of the car room. Assembled as a continuous, integrated handrail fixed to.

FIG. 6 (e) is a perspective view of the connecting portion provided at the end portion of the handrail, which is fastened with the fitting concave portion and the bolt 29 through the through bolt hole 67 of the fitting convex portion.

However, in the case of the continuous handrail 60 having the joint insertion type bracket 64, the side plate 62 of the cab and the joint 63 are combined, and the joint insertion type bracket 64 is also sequentially tightened according to the assembling. Also, even if a dimensional error occurs in manufacturing or assembling the handrail, there is no "play of connection" in the handrail connecting portion as shown in FIG. It was difficult and it was difficult to finish it into a preferable shape in terms of design, which is a continuous handrail with a sense of unity.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the problems of the conventional handrails of an elevator cab as described above, and it is possible to adjust the dimensions of the elevator car without impairing the appearance of the design. An object is to provide a handrail for a room and a method for assembling the handrail.

[0009]

In order to achieve the above object, according to claim 1 of the present invention, a plurality of divided handrails which are installed laterally by being bent on a side plate forming an elevator cab. Each of these handrail parts has a convex portion or a concave portion that is fitted adjacent to the end portion of the handrail component, and the convex portion has a through hole in a direction perpendicular to its protruding direction. A handrail for an elevator cab which is connected and fixed to the recess by a screw through a hole, wherein the through hole has a shape elongated in a protruding direction of the protrusion.

According to a second aspect of the present invention, the handrail component having the convex portion at the end thereof has a low step portion at the outer periphery of the end portion, and the handrail component having the concave portion at the end thereof has the end portion. The handrail for an elevator cab according to claim 1, characterized in that it has a shell wall protruding on the outer periphery of the portion.

According to a third aspect of the present invention, the step portion of the handrail component having the convex portion at the end thereof has a shape having flat surfaces facing each other, and the step portion of the handrail component having the concave portion at the end thereof. The handrail for an elevator cab according to claim 2, wherein the shell wall has a shape having flat surfaces facing each other so as to fit with the step portion.

According to a fourth aspect of the present invention, a plurality of divided handrail parts bent in the elevator cab and installed laterally, and the handrails inserted and connected between the end portions of these handrail parts. A handrail for an elevator cab comprising a fitting tool for fixing parts, wherein one of the ends of the handrail part and the end of the fitting tool fixed in contact therewith has a convex portion and the other has In addition to having a concave portion to be fitted, the convex portion has a through hole that is long in the projecting direction and is provided in the vertical direction, and the concave portion and the convex portion are connected by a screw through the through hole. A handrail for an elevator cab is provided.

According to a fifth aspect of the present invention, the handrail component has the concave portion at the end thereof, and the joint tool has the convex portions at both ends thereof. Providing banister railings.

According to a sixth aspect of the present invention, a handrail of an elevator cab that connects and fixes a plurality of divided handrail parts that are bent and installed in a lateral direction to a side plate that forms the elevator cab. A method of assembling, comprising fitting a convex portion and a concave portion provided at an end portion of the handrail component into the convex portion at an end portion of the handrail component in a direction perpendicular to the projecting direction. The method of assembling a handrail in an elevator cab is characterized by a step of connecting and fixing to a recess at the end of the other handrail component with a screw through a through hole having a long shape.

According to a seventh aspect of the present invention, an elevator car room assembly in which a side plate of the elevator car room is connected to a handrail component having a convex portion or a concave portion that is fitted adjacent to an end portion of the elevator car chamber and installed. A method, which is a step of temporarily assembling the side plates of the elevator cab, joints, and the handrail component, and temporarily fastening them, and the fitting connection portion of the handrail component temporarily fastened in this wall temporary assembly step. In the same manner as the above convex portion, the concave portion of the handrail fitting connection portion of the other wall that is temporarily fastened is fitted, and the convex portion is screwed into an oval through hole provided in a direction perpendicular to the projecting direction. A step of inserting and adjusting the joint position of the side plate, the joint and the handrail component in the handrail direction to a positional relationship that minimizes the joint distance of the two handrail components, and the distance between the two handrails. Is the position where A method of assembling a handrail in an elevator cab, comprising fastening and fixing a bolt that connects the screw and the side plate to the joint, and a fastening step of fastening and fixing the combination of the side plate and the joint and the handrail component forming a wall surface. I will provide a.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a handrail according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of an elevator cab with a handrail installed according to an embodiment of the present invention. The wall surface of this elevator cab is constituted by the entrance pillar plate 11, the side plate 12, and the joint 13 sandwiched between the fastening portions of the side plate 12. A continuous integrated handrail having a joint pointing bracket 14 is connected as a handrail 10 integrated at two connecting portions 15a and 15b in the car chamber, and the bracket 14 is inserted into a part of the joint 13 to form the side plate 1.
2 and 2 are fastened together by bolts 65 and installed. The connecting portions 15a and 15b have a structure having a connecting portion end portion described below.

FIG. 2 shows the structure of the connecting portion of the elevator cab-room handrail main body according to the first embodiment of the present invention. Figure 2
FIG. 2A is a perspective view of a convex end portion of the connection portion, and FIG.
[Fig. 2] is a cross-sectional view in the longitudinal direction of the handrail in which the connection portion is fitted and connected, and Fig. 2C is a cross-sectional view in the longitudinal direction of the convex side end portion of the connection portion. FIG. 2E is a bottom view of the end portion on the convex side viewed from the direction A. FIG. 2D is a longitudinal sectional view of the concave end of the connecting portion, and FIG. 2F is a bottom view of the concave end viewed from the direction A.

As shown in FIGS. 2 (a), 2 (c) and 2 (e), a convex portion 21 and a fixing screw 29 which are fitted into the concave end portion of the other connecting portion are inserted into the convex end portion. Oval through hole 23
Are provided, and the shape of the oval through hole 23 is the recess 2
5 is an oval shape having a width slightly larger than the outer diameter of the fixing screw 29 in the direction extending from the position corresponding to the screw hole 26 of No. 5 in the protruding direction of the convex portion 21. Also, as shown in FIG.
A screw hole 26 is provided at the concave end shown in (f), which forms a pair with a recess 25 fitted into the protrusion 21 and a fixing screw 29.

Assembly of the handrail of this embodiment in the elevator cab is performed by sequentially advancing the following three steps.

First, the side plates 12 and joints 13 of the elevator cab shown in FIG. 1 are sequentially assembled, and the joint insertion type bracket 14 provided on the handrail 10 is inserted between the joints 13 and temporarily fastened with bolts (temporary wall surface). Set step).

The convex portion 21 of the connecting portion of the handrail component 20 temporarily fastened in the temporary wall assembly step is fitted to the concave portion 25 of the other handrail connecting portion which is also temporarily fastened, and is provided on the convex portion 21. The fixing screw 29 is temporarily inserted into the formed oval through hole 23 from below to adjust the joining position in a state where the fixing screw 29 can be moved in the longitudinal direction of the handrail so that the distance between both handrail parts is minimized. The assembly positional relationship between the side plate 12, the joint 13 and the joint insertion type bracket 14 is corrected to absorb a dimensional error (correction step).

After the positional relationship is corrected so that the distance between the handrail parts is minimized, the fixing screw 29 is tightened to fasten and fix the handrail part 20 into a continuous integrated handrail, and the temporarily fastened bolts are also fastened. -Fix (fastening step).

The two wall surfaces of the car room are assembled by the above-mentioned three steps, and subsequently the handrail parts on the other wall surfaces are similarly subjected to the wall surface temporary assembly step and the fastening step to repeat, and the entire elevator car room and the same room. Assembly of the continuous integrated handrail is completed.

According to the structure of this embodiment of the present invention, since the elliptical through hole 23 is provided in the convex portion 21 of the handrail connecting portion in the correction step for joining the handrail divided portions, the fixing screw 22 is provided. Can be inserted at any part of the oval through hole 23. Also, the side plate 1 of the wall temporary assembly step
Since the procedure of the correction step is performed in a state where the bolt 2 and the bracket 14 are temporarily fastened, the degree of the error to be corrected can be grasped, so that the guideline / policy of the correction work on the site can be easily determined. Finally, since the handrail distance of the connection portion is fastened at the minimum position, it is possible to finish without any problem in terms of design, and it is possible to provide an elevator cab with a continuous integrated handrail that does not impair the appearance.

Next, a second embodiment of the present invention will be described. FIG. 3 shows the structure / configuration of the connecting portion of the handrail main body of the elevator cab of this embodiment. FIG. 3A is a perspective view of the convex side end of the connecting portion of this embodiment. The same figure (b)
[Fig. 8] is a longitudinal sectional view of the handrail in a state where the connecting portion of the second embodiment is fitted and connected, and Fig. 6C is a longitudinal sectional view of a convex side end portion of the connecting portion. FIG. 7E is a bottom view of the convex side end portion viewed from the direction A. FIG. 6D is a longitudinal sectional view of the concave side end portion of the connection portion, and FIG. 6F is a bottom view of the concave side end portion similarly seen from the direction A.

As shown in these drawings, in this embodiment, a step 34 is formed slightly inward of the outer periphery of the handrail main body 30 at the convex end of the connecting portion, for example, inward by several millimeters.
The step 34 is formed to have a thickness of about 10 mm, and the convex portion 31 and an oval through hole 33 into which the fixing screw 29 is inserted are provided on the end surface of the step 34.

On the other hand, as shown in (d) and (f) of the figure, a step 34 and a shell wall 37 fitted to the convex portion 31 are provided at the concave end of the connecting portion of the other handrail end. And a recess 35,
Further, a screw hole 36 is provided which is paired with the fixing screw 29 and used when fastening the handrail.

Since the fitting of the step 34 and the shell wall 37 reinforces the joining of the handrails, the depth and thickness of the step 34 are determined by the numerical values relating to the design according to the joining strength.

In the assembly of the second embodiment, first, a wall surface temporary assembly step similar to that of the first embodiment is performed. The convex portion 31 of the connecting portion of the handrail 30 temporarily fastened in the wall surface temporary assembly step
The recess 3 of the other handrail connection part that was provisionally fastened
5, and the step 34 and the shell wall 37 are fitted to each other to form the convex portion 3
The fixing screw 29 is temporarily inserted from below into the oval through-hole 33 provided in the No. 1 so as to be movable in the longitudinal direction of the handrail. In this state, the side plate 12, the joint 13 and the joint insertion type bracket 14 are fitted so that the distance between the joined handrails is minimum.
The assembling positional relationship is corrected to absorb the dimensional error, and the fixing screw 29 is temporarily fastened (fitting correction step).
Subsequently, the handrail 10 (30) on the other wall surface similarly repeats the wall surface temporary assembly step and the fitting correction step.

After the fitting correction step in which the fitting positional relationship on the third surface is modified, each fixing screw 29 is tightened to fasten / fix the handrail 30 to form a continuous integrated handrail, and the bolts for connecting the side plates 12 are also fastened / fastened. The three wall surfaces of the cab are assembled in three steps of the fitting and fastening steps for fixing, and the continuous integrated handrail of the elevator cab is completed.

According to the second embodiment, the peripheral surface of the step 34 is located at a shallow position of the handrail surface, that is, within a few millimeters, even if a slight gap is formed in the connection portion in the final fastening state. It is possible to make the continuous integrated handrail 10 with no discomfort above. Further, in this embodiment, the fitting of the step 34 and the shell wall 37 also has an effect of increasing the joint strength of the connection portion against the forces acting in the vertical and horizontal directions of the handrail shaft between the divided handrails.

Next, a third embodiment of the present invention will be described. FIG. 4 is a perspective view of a convex side end portion of the connection portion of the handrail main body of the elevator cab of this embodiment. In this embodiment, the step 44 of the second embodiment is a polygon that does not follow the outer periphery of the handrail 40 and has a shape with a small axis of rotational symmetry regardless of the cylindrical shape, for example, a step 44 having two vertical parallel planes.
Is provided. Further, the convex portion 4 is formed on the end face of the step 44.
1 and an oval through hole 43 into which the fixing screw 29 is inserted are provided.

On the other hand, a not-shown concave side end portion is provided with a shell wall and a concave portion having the same shape as that of the step portion 44 and fitted in the step portion 44 and the convex portion 41, and further, in combination with the fixing screw 29. There is also a screw hole that is fastened.

Assembly of the handrail of this embodiment is carried out in the same temporary wall assembly step, fitting correction step, and fitting fastening step as in the second embodiment, but the handrail 40 is fastened in the fitting correction step. When working, the parallel 2 of the step 44
It is possible to perform a working method in which the shell wall of the concave end is inserted to a fitting position along a surface having a unique shape such as a flat surface, and temporary fastening is performed with the fixing screw 29.

As described above, according to the third embodiment of the present invention, since the step 44 has a unique shape, the assembling work on site becomes easy. Further, since the step 44 has a shape having a flat surface, there is also an effect that the joint strength between the divided handrails is further increased in the direction in which the structure of the corresponding shell wall is partially thick. Further, according to the embodiment, even if the step shapes or the sizes of the respective connection portions of the continuous integrated handrail are configured as different combinations and the combination identification function is provided, there is an advantage that the assembling work on site becomes easy. .

Next, a fourth embodiment of the present invention will be described. FIG. 5 shows the structure and configuration of the joint tool used for the connecting portion of the handrail main body of the elevator cab according to this embodiment. FIG. 5A shows a perspective view of the joint tool 51. Figure 5
(b) is a cross-sectional view in the longitudinal direction of the handrail in a state where the joint tool 51 is fitted and connected to the connection portion, and (c) is a longitudinal sectional view (of the handrail to be joined) of the joint tool 51.
FIG. 3D is a bottom view of the joint tool 51 as seen from the direction A. FIGS. 8E and 8F are longitudinal sectional views of the concave side end portions of the handrails 50a and 50b.

The fitting tool 51 of the fourth embodiment is provided with convex portions 51a and 51b and oval through holes 53a and 53b into which the fixing screws 29 are inserted. In addition, in the connecting portion of the handrail 50 using the joint tool 51, the convex portion 51
There are provided screw holes 56a and 56b which are to be coupled and fastened together with the recesses 55a and 55b which fit into the a and 51b, the shell walls 57a and 57b which include the joint tool 51, and the fixing screw 29.

In FIG. 5, as an example, the joint tool 41 is shown.
The shape of the joint on each of the a side and the b side of the
It may be uneven or concave or convex, and may have a combination of position identification functions by combining different shapes and dimensions.

To assemble the joint tool 51 of the fourth embodiment, first, a wall surface temporary assembling step for temporarily fastening the side plate 12, the joint 13, and the joint insertion type bracket 14 is performed.
The handrail 50a temporarily fastened in the wall surface temporary assembling step and the convex portion 51a of the joint tool are temporarily fastened with the fixing screw 29a. Next, the other handrail 50b and the convex portion 51 of the joint tool
from the bottom to the oval through-hole 53b provided in b.
The fixing screw 29b for joining and fastening 1b is temporarily inserted to correct the assembling positional relationship between the side plate 12, the joint 13 and the joint insertion type bracket 14 relating to the handrail 50b to absorb the dimensional error on the handrail 50b side. Next, a joint correction step for correcting the assembly positional relationship on the convex portion 51a side of the joint tool that has been temporarily fastened to absorb the dimensional error on the side of the handrail 50a and to fit the handrail parts at the minimum distance is performed. To do.

After the joint correction step in which the fitting positional relationship is corrected, the two fixing screws 29 of the joint tool 51 are tightened to fasten and fix the handrails 50a and 50b to form a continuous integrated handrail, and further, the temporarily fastened bolt 65. The two wall surfaces of the cab are assembled in three steps, which is the step of fastening and fixing the joint.

The temporary wall assembly step, the joint correction step, and the joint fastening step are repeated for the remaining wall surfaces of the car room and the handrail fittings to complete the assembly of the entire elevator car room.

According to this embodiment of the present invention, since the correction for absorbing the dimensional error can be separated for each side of the joint tool 51, the side plate 12, the joint 13 and the joint insertion type bracket 14 relating to each wall surface are adjusted. All that is required is that the correction work becomes easy. Further, since the position error of the handrail joint can be corrected at two places, the dimensional error can be more easily absorbed, and the design appearance of the continuous integrated handrail can be further reduced. In addition, a handrail connecting portion is provided at a corner portion that is bent at a right angle in a portion where the handrail shaft is not a straight line, and the two convex portions of the joint tool according to the present embodiment have two angles that are not a straight line. The constructed joint tool also has an effect that it can be corrected to absorb the dimensional error of the two wall assembly.

[0043]

As described above, according to the present invention,
(EN) A handrail for an elevator cab and a method for assembling the handrail, which enables dimensional adjustment without impairing the design appearance.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration example of a handrail of an elevator cab and an elevator cab in an embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a connecting portion of the handrail component according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a configuration of a connecting portion of a handrail component according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a connecting portion of a handrail component according to a third embodiment of the present invention.

FIG. 5 is a diagram showing a configuration of a joint tool for a connecting portion of a handrail component according to a fourth embodiment of the present invention.

FIG. 6 is a diagram showing a configuration example of a conventional handrail main body of an elevator cab.

[Explanation of Codes] 10 ... Handrail, 20, 30, 40, 50, 60 ...
Handrail parts, 11, 61 ... Entrance column plate, 12, 62 ...
・ Side plates, 13, 63 ... Joints, 14, 64 ... Joint insertion brackets, 15a, 15b, 66a, 66b,
66c ... Connection part, 21, 31, 41, 51a, 5
1b ... convex portion, 23, 33, 43, 53a, 53b,
67 ... through holes, 25, 35, 45, 55a, 55b
... Recesses, 26, 36, 56a, 56b ... Screw holes, 29 ... Fixing screws, 34, 44 ... Steps, 3
7, 57a, 57b ... Shell wall portion, 51 ... Joint tool, 65 ... Side plate fastening bolt, 67 ... Through bolt hole

Claims (7)

[Claims] 1. A plurality of divided handrail parts which are bent and installed in a lateral direction on a side plate forming an elevator cab, each of these handrail parts being fitted adjacent to an end thereof. A handrail of an elevator cab that is connected and fixed to the recess by a screw through the through hole, the handrail having a through hole in a direction perpendicular to the protruding direction. The handrail for an elevator cab, wherein the hole has a shape that is long in the protruding direction of the convex portion. 2. The handrail component having a convex portion at the end thereof has a low step portion on the outer periphery of the end portion, and the handrail component having a recess at the end portion thereof projects from the outer periphery of the end portion. The handrail of the elevator cab according to claim 1, further comprising: 3. The step portion of the handrail component having a convex portion at the end thereof has a shape having flat surfaces facing each other, and the shell wall of the handrail component having a recess at the end thereof fits with the step portion. The handrail for an elevator cab according to claim 2, wherein the handrail has a shape having flat surfaces facing each other so as to fit together. 4. A plurality of divided handrail parts that are installed in a lateral direction by bending in an elevator cab and a joint tool that is inserted and connected between the ends of these handrail parts to fix the handrail parts. A handrail of an elevator cab consisting of, one of the end of the handrail component and the end of the joint tool fixed in contact therewith has a convex portion and the other has a concave portion to be fitted thereto, The convex portion has a shape that is long in the protruding direction and has a through hole provided in the vertical direction, and the concave portion and the convex portion are connected by a screw through the through hole. handrail. 5. The handrail for an elevator cab according to claim 4, wherein the handrail component has the concave portion at an end portion thereof, and the joint tool has the convex portions at both end portions thereof. 6. A handrail assembly method for an elevator cab, wherein a plurality of divided handrail parts that are bent and installed in a lateral direction are connected and fixed to a side plate that forms an elevator cab. Fitting the convex portion and the concave portion provided at the end of the component into the convex portion at the end of the handrail component through a through hole having a shape perpendicular to the projecting direction and long in the projecting direction. And a step of connecting and fixing to a concave portion of an end portion of the other handrail component with a screw, the method for assembling a handrail in an elevator cab. 7. A method for assembling an elevator cab, wherein a handrail component having a convex portion or a concave portion fitted adjacent to an end of the elevator cab is connected to a side plate of the elevator cab and is installed. A step of temporarily assembling the side plates, joints and handrail parts, and temporarily fastening the same, and temporary fastening similarly to the convex portion of the fitting connection portion of the handrail component temporarily fastened in the temporary wall step The concave portion of the handrail fitting connection portion of the other wall surface is fitted, and a screw is inserted into the oval through hole provided in the convex portion in a direction perpendicular to the projecting direction, and the screw is inserted in the handrail direction. An assembly correction step of adjusting and adjusting the joint position of the side plate, the joint and the handrail component to a positional relationship in which the joint distance of the two handrail components is minimized, and at the position where the distance between the two handrails is minimized. With screws and the side plate A method of assembling a handrail in an elevator cab, comprising the steps of fastening and fixing bolts for connecting the joints, and fastening and fixing the side plate forming the wall surface and the set of the joint and the handrail component.