JPS6357352B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a moving handrail guide device for a passenger conveyor such as an escalator or a moving walkway.

[Conventional technology]

The first moving handrail guide device for conventional passenger conveyors
This will be explained with reference to FIGS.

In Figure 1, 1 is an endless moving handrail, 2 is a main frame,
3 is a drive device for the moving handrail 1; the drive device 3
The return side of the moving handrail 1 is connected to a plurality of drive rollers 3.
The movable handrail 1 is driven by sandwiching pressure between the handrail a and the pressure roller 3b. A movable handrail guide roller device 4 for regulating the lateral movement of the movable handrail 1 is provided before and after the drive device 3. For example, the conventional guide roller device 4 for a movable handrail described in Japanese Patent Application Laid-open No. 48-87584 has a bracket 4 fixed to the main frame 2, as shown in FIGS. 2 and 3.
A vertical roller shaft 4b extending in the vertical direction is fixed to a, and a guide roller 4d is pivotally supported at the lower end of the roller shaft 4b via a bearing 4c. Sliding contact from the inside prevents lateral displacement. In FIGS. 2 and 3, reference numeral 4e denotes a receiving roller that is horizontally supported by the bracket 4a, and the receiving roller 4e supports the lower surface of the movable handrail 1 so that it does not fall downward.

[Problem that the invention seeks to solve]

In the conventional moving handrail guide roller device for a passenger conveyor configured as described above, the bearing 4c of the guide roller 4d is provided within the guide roller 4d,
The drive roller 3a is made of metal, and the moving handrail 1 is mainly made of a flexible material such as rubber. Therefore, the movable handrail 1 wears out due to contact with the drive roller 3a, and abrasion particles enter the bearing 4c, and dirt and water enter the bearing 4c from above, which shortens the life of the bearing 4c. It was hot.

SUMMARY OF THE INVENTION An object of the present invention is to provide a moving handrail guide roller device for a passenger conveyor that eliminates the problems of the conventional devices described above and has a long bearing life.

[Means for solving problems]

A moving handrail guide roller device for a passenger conveyor according to the present invention includes a guide roller that fits on the return side of an endless moving handrail to restrict lateral movement of the moving handrail, and a roller that extends above the guide roller. The shaft is supported by a bearing in a housing provided above the outside of the handrail, and the housing is provided with a lid that covers the upper opening of the housing.

[Effect]

In the moving handrail guide roller device for a passenger conveyor according to the present invention, a bearing is provided in a housing to prevent abrasion powder generated by contact between the moving handrail and the drive roller from entering the bearing. In addition, the cover provided on the housing can prevent dust and water from entering the bearing from above, thereby preventing dust and water from entering the bearing. Do not fit.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 4 and 5. Figure 4, Figure 5, Figure 2,
The same symbols as in Figure 3 are the same or equivalent parts,
4f is a housing that is fixed to the bracket 4a so that its position can be adjusted in the lateral (width) direction of the movable handrail 1 and is disposed above and outside the return side of the movable handrail 1;
An upper end portion of a roller shaft 4b extending in the vertical direction is supported by a bearing 4c provided in the housing 4f.
The lower part of the roller shaft 4b is the opening 1a of the moving handrail 1.
A guide roller 4d is inserted into the interior of the roller shaft 4b, and a guide roller 4d is fixed to the lower end of the roller shaft 4b. A mounting plate 4g is fixed to the bracket 4a so as to be vertically adjustable, and a receiving roller 4e is mounted to the mounting plate 4g. Further, 4h is a lid that is removably fixed to the upper part of the housing 4a and covers the upper opening thereof, and 4i is a push screw for fixing the lid 4h to the housing 4a.

In the movable handrail guide roller device of the embodiment configured as described above, since the bearing 4c is provided in the housing 4f disposed outside and above the movable handrail 1, the movement between the movable handrail 1 and the drive roller 3a is improved. Even if abrasion powder is generated due to contact, the abrasion powder is removed from the guide roller 4d.
can be prevented from entering the bearing 4c.

In addition, in the movable handrail guide roller device of this embodiment, the upper opening of the housing 4a is covered with a lid 4h, unlike the conventional device in which dust and the like enter the bearing from the upper opening of the bearing 4c. The cover 4h can prevent dust from entering the bearing 4c, and also prevent water such as rainwater from entering the bearing 4c when used on a passenger conveyor installed outdoors. Therefore, in this embodiment, the life of the bearing 4c can be extended.

It should be noted that the configuration of the embodiment shown in FIGS. 4 and 5 other than those described above is the same as that of the conventional structure shown in FIGS. 1 to 3, and therefore a description thereof will be omitted.

As explained above, in the moving handrail guide roller device for a passenger conveyor according to the present invention, the bearing of the guide roller that restricts the lateral movement of the moving handrail on the return side is provided in the housing above the outside of the moving handrail. It is possible to prevent abrasion particles of the moving handrail generated by contact between the handrail and the drive roller from entering the bearing, and since the upper opening of the housing is covered with a lid, dirt and water can be prevented from entering the bearing from above. This has the effect that this can be prevented, and the life of the bearing can therefore be extended.

[Brief explanation of the drawing]

Figure 1 is a schematic side view of a general passenger conveyor.
Fig. 2 is an enlarged side view of the part in Fig. 1 showing a conventional movable handrail guide roller device, and Fig. 3 is an enlarged side view of the part in Fig. 2.
A line sectional view, FIG. 4 is a view corresponding to FIG. 3, and FIG.
The figure is a plan view taken along the line - in FIG. 4. 1...Movable handrail, 4...Movable handrail guide roller device,
4a...Bracket, 4b...Roller shaft, 4c...Bearing, 4d...Guide roller, 4f...Housing, 4h
…lid. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] 1. A guide roller is provided that fits on the return side of the endless moving handrail to restrict the lateral movement of the moving handrail,
A passenger conveyor characterized in that a roller shaft extending above the guide roller is supported by a bearing in a housing provided above the outside of the moving handrail, and the housing is provided with a lid that covers an upper opening of the housing. Mobile handrail guide roller device.