JP2010173815A - Joint plate for guide rails of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the internal dimension of an elevator shaft by reducing the protrusion dimension of a joint plate for guide rails that protrude toward the wall surface from guide rail members in a case where two guide rail members whose end portions are in contact with each other are connected by the joint plate for guide rails. <P>SOLUTION: A plurality of guide rail members 6 having a base 6a and a guide 6b are vertically arranged in the elevator shaft with their ends in the longitudinal direction in contact with each other. The guide rail members are connected with the joint plate 7 for guide rails that is attached in such a way as to bridge the contact portion. In the joint plate 7 for guide rails, a receiving groove 9 having a sufficient depth and width to receive the base 6a is provided on a side surface opposed to the guide rail member 6, and bolt mounting holes 10 to which a bolt 11 for joining the base 6a and the joint plate 7 for guide rails is attached are provided on the bottom of the receiving groove 9. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a guide rail plate for an elevator, and more particularly to a guide rail plate for an elevator that can reduce the inner diameter of an elevator hoistway in which an elevator car and a counterweight lift and lower.

  A guide rail extending in the vertical direction is provided in the elevator hoistway, and an elevator car and a counterweight that move up and down in the elevator hoistway are guided by the guide rail.

  The guide rail is composed of a plurality of guide rail members arranged in the vertical direction and a guide rail eye plate for connecting two guide rail members adjacent in the vertical direction in a state where the end portions are butted together. .

  As an example of such a guide rail, one described in Patent Document 1 below is known.

  According to the guide rail described in Patent Document 1, a groove is formed on one surface of the guide rail eyeplate facing the guide rail member in a direction coinciding with the longitudinal direction of the guide rail member, and on both sides of the groove. An elongated fastening surface is formed in a direction that coincides with the longitudinal direction of the guide rail member. On the other hand, in the portion of the guide rail member to which the guide rail eye plate is connected, a fastening surface that is positioned on both sides in the longitudinal direction of the guide rail member and is flattened so as to contact the fastening surface of the guide rail eye plate is formed. Has been. The fastening surface of the guide rail member and the fastening surface of the guide rail eye plate are brought into contact with each other, and the guide rail member and the guide rail eye plate are fastened and fixed using bolts and nuts.

Japanese Patent No. 3488550

  However, in the guide rail described in Patent Document 1, when the guide rail eye plate and the guide rail member are fastened and fixed, the guide rail eye plate protruding from the guide rail member toward the wall surface of the elevator hoistway is provided. Overhang dimension increases. For this reason, it is necessary to set the space | interval of the wall surface of an elevator hoistway and a guide rail member to which an elevator car and a balance weight raise / lower, and the internal-diameter dimension of an elevator hoistway is large.

  The present invention has been made in order to solve such a problem, and an object of the present invention is to provide an elevator from a guide rail member when two guide rail members whose end portions are butted together are connected using a guide rail plate. It is an object of the present invention to provide an elevator guide rail eye plate that can suppress the overhang dimension of the guide rail eye plate that projects in the direction of the wall surface of the hoistway and can reduce the inner diameter dimension of the elevator hoistway.

  The first feature according to the embodiment of the present invention is that the protrusions in the plurality of guide rail members that have a base portion and a guide portion and are arranged in the vertical direction in the elevator hoistway by abutting the end portions in the longitudinal direction. A guide rail eye plate for an elevator that is mounted across the mating portion and connects the adjacent guide rail members in the vertical direction, on one side of the guide rail eye plate facing the guide rail member A receiving groove portion having a depth dimension and a width dimension capable of accommodating the base portion, and a bolt attachment formed on a bottom portion of the housing groove portion to which a bolt connecting the base portion and the guide rail eye plate is attached. And a hole.

  According to the present invention, when two guide rail members whose end portions are butted together are connected using the guide rail plate, the guide rail plate extending from the guide rail member toward the wall surface of the elevator hoistway is extended. The extension dimension can be reduced, and the inner diameter dimension of the elevator hoistway can be reduced.

1 is a front view showing an elevator according to a first embodiment of the present invention. It is a perspective view which shows the guide rail which consists of a guide rail member and the guide rail eyeplate. It is a front view which shows a guide rail. It is a horizontal sectional view showing a guide rail. It is a perspective view which shows the eyeplate for guide rails. It is a horizontal sectional view which shows the guide rail of the 2nd Embodiment of this invention.

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

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, an elevator hoistway 2 is provided in the building 1 where the elevator is installed, and an elevator car 3 and a counterweight (not shown) are raised and lowered in the elevator hoistway 2. It is provided as possible. Further, in the elevator hoistway 2, the guide rail 5 extends vertically along the wall surface 4 of the elevator hoistway 2 and guides the elevator car 3 so as to be able to move up and down, and along the wall surface 4 of the elevator hoistway 2. And a guide rail (not shown) that extends in the vertical direction and guides the counterweight so that it can be raised and lowered.

  The guide rails 5 are arranged in the vertical direction by butting the end portions in the longitudinal direction, and a plurality of guide rail members 6 to which the butted portions are connected, and the butted portions of the two guide rail members 6 that are butted at the end portions The guide rail eye plate 7 is arranged so as to connect two guide rail members 6 that are arranged so as to straddle each other. Note that the guide rail that guides the counterweight so that it can be raised and lowered is also composed of a plurality of guide rail members and a guide rail eye plate, like the guide rail 5.

  As shown in FIGS. 2 and 4, the guide rail member 6 has a base portion 6a and a guide portion 6b, and has a T-shaped cross section in a direction perpendicular to the longitudinal direction. Guide shoes 8 for guiding the elevator car along the guide rail 5 by being fitted to the guide part 6 b are provided at the upper part and the lower part of the elevator car 3.

  Further, a convex portion 6 c is formed at one end in the longitudinal direction of the guide rail member 6, and a concave portion 6 d is formed at the other end in the longitudinal direction of the guide rail member 6. When the two guide rail members 6 are connected with their end portions being brought into contact with each other, as shown in FIG. 3, a convex portion 6 c formed on one guide rail member 6 and a concave portion 6 d formed on the other guide rail member 6. And the two guide rail members 6 connected to each other are prevented from being displaced in the lateral width direction (direction of arrow a shown in FIG. 3).

  The guide rail eye plate 7 is formed with a receiving groove 9 and a bolt mounting hole 10.

  The accommodation groove 9 is formed on one surface facing the guide rail member 6 and has a depth dimension “b” and a width dimension “c” that can accommodate the base 6 a.

  The bolt mounting hole 10 is formed at the bottom of the receiving groove 9, and a bolt 11 that connects the guide rail member 6 and the guide rail eye plate 7 is inserted into the bolt mounting hole 10. When the guide rail member 6 and the guide rail eye plate 7 are connected, the base portion 6a of the guide rail member 6 is accommodated in the accommodating groove portion 9, and the bolt mounting hole 12 formed in the base portion 6a and the guide rail eye Bolts 11 are inserted into the bolt mounting holes 10 of the plate 7, and nuts 13 are screwed onto the tip portions of the bolts 11 inserted through the bolt mounting holes 12, 10.

  In such a configuration, in the guide rail 5 in which a plurality of guide rail members 6 are connected using the guide rail eye plate 7, the base portion 6 a of the guide rail member 6 is placed in the receiving groove portion 9 of the guide rail eye plate 7. Contained. The depth dimension “b” of the accommodation groove 9 is formed to a dimension capable of accommodating the base 6a.

  For this reason, the protruding dimension “d” of the guide rail eye plate 7 protruding from the guide rail member 6 toward the wall surface 4 of the elevator hoistway 2 can be reduced. Thereby, the space | interval of the guide rail 5 and the wall surface 4 of the elevator hoistway 2 can be made small, and the internal diameter dimension of the elevator hoistway 2 can be made small. By reducing the inner diameter of the elevator hoistway 2, the installation cost of the elevator can be reduced.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the same component as the component demonstrated in 1st Embodiment, and the overlapping description is abbreviate | omitted.

  The basic configuration of the second embodiment is the same as that of the first embodiment, except that the bolt 11 is screwed onto the peripheral surface of the bolt mounting hole 10 formed in the guide rail eye plate 7. The female screw 14 is formed.

  In such a configuration, in the guide rail 5 in which a plurality of guide rail members 6 are connected using the guide rail eye plate 7, the bolt 11 that connects the guide rail member 6 and the guide rail eye plate 7 is a bolt. Screwed into a female screw 14 formed on the peripheral surface of the mounting hole 10. For this reason, it is not necessary to project the front end side of the bolt 11 from the guide rail eyeplate 7 toward the wall surface 4 of the elevator hoistway 2, and the space between the guide rail member 6 and the wall surface 4 of the elevator hoistway 2 is further increased. The inner diameter dimension of the elevator hoistway 2 can be further reduced.

2 Elevator hoistway 6 Guide rail member 6a Base 6b Guide portion 7 Guide rail eye plate 9 Receiving groove 11 Bolt 12 Bolt mounting hole 14 Female screw

Claims (2)

The base portion and the guide portion are attached and the end portions in the longitudinal direction are butted against each other in the plurality of guide rail members arranged in the vertical direction in the elevator hoistway, and are adjacent to each other in the vertical direction. An elevator guide rail eyeplate for connecting guide rail members,
A receiving groove formed on one side of the guide rail eyeplate facing the guide rail member and having a depth dimension and a width dimension capable of accommodating the base;
A bolt mounting hole to which a bolt that is formed at the bottom of the housing groove and connects the base and the guide rail eye plate is mounted;
A guide plate for an elevator guide rail.   2. The guide rail eye plate for an elevator according to claim 1, wherein a female screw into which the bolt is screwed is formed in the bolt mounting hole.

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