JPS6132946Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement to a threshold device for an elevator hall.

Generally, the threshold of an elevator landing is accurately aligned with the reference position of the hoistway and is fixed to the wall of the hoistway near the tip of the floor of each floor via a fixing member. However, as buildings tend to become taller these days, there is a strong demand for simpler fixing of threshold devices due to the construction period of the buildings.

First, a conventional elevator hall threshold device will be explained with reference to FIGS. 1 and 2.

In the figure, 1 is the entrance/exit of the elevator hall, 2 is the sill placed at the lower edge of the entrance/exit 1, 2a is the guide groove provided in the sill 2, and 3 and 3' are the entrance/exit 1 whose upper part is appropriately suspended. The landing doors 3a and 3a', which open and close in opposite directions, are fixed near the lower ends of the landing doors 3 and 3', and the guide piece 4 slides in the guide groove 2a.
is the hoistway wall surface at the lower edge of the entrance/exit 1, 5 is the first metal fitting having an L-shaped cross section, 5a is the seat surface, 5b is the two fixing holes, 5c is the protruding surface, and 5d is provided on the protruding surface 5c. A horizontal elongated hole, 6, a second metal fitting having an L-shaped cross section, and 6a, a horizontally arranged fastening surface, which is fastened to the lower surface of the sill 2 as appropriate. 6b is a vertical surface arranged to overlap with the protruding surface 5c, 6c is a vertical slot provided in the vertical surface 6b, 7 is an anchor bolt planted in the wall surface 4, 7a is a fastener consisting of a nut, Numeral 8 is a fastener consisting of a bolt inserted through an elongated hole 5d and a slotted hole 6c, and a nut screwed into the bolt.

That is, the first metal fitting 5 is fixed to the wall surface 4 by the anchor bolt 7 and fastener 7a inserted into the fixing hole 5b with the seat surface 5a in contact with the wall surface 4,
Furthermore, the vertical surface 6b of the second metal fitting 6 is overlapped with the protruding surface 5c and temporarily fixed with the fastener 8, and the positional dimension of the sill 2 is adjusted with respect to the shaft core and the floor surface of the landing.
The fastener 8 is completely fixed after the elongated hole 5d and the slot 6c are used to finely adjust the vertical direction and the protrusion size and inclination from the wall surface 4.

However, due to the rigidity of the main body of the sill 2, it is necessary to provide a total of three first metal fittings 5 and second metal fittings 6 near the center of the doorway 1 and near both ends thereof, as shown in FIG. , it is necessary to plant a total of six anchor bolts 7 on the wall,
The construction required a lot of time.

This is because the threshold 2 is designed to have a rigidity limit such that the length of the unfixed part cannot be greater than approximately 1/2 the width of the entrance/exit 1.

This invention solves the above-mentioned drawbacks and aims to provide a threshold device for an elevator landing that can reduce the number of anchor bolts and shorten the time required for installation.

An embodiment of this invention will be described below with reference to FIGS. 3 and 4.

In the figure, the same reference numerals as those in FIGS. 1 and 2 indicate corresponding parts, and numeral 5 denotes a first metal fitting having a groove-shaped cross section, and its width G is set to 1/4 of the width of the entrance/exit 1. 5c is the first metal fitting 5
6 is a second fastening surface having an L-shaped cross section.
An H-shaped slot 6d is provided in the vertical surface 6b with a metal fitting. Note that the vertically elongated holes 6e and 6f of the slotted hole 6d are provided at positions apart from each other and are connected by a horizontally elongated hole 6g.

That is, the second metal fitting 6 has a slot 6d and an elongated hole 5d.
The first metal fitting 5 is movably fastened to the first metal fitting 5 by a fastener 8 inserted therein. By setting the width of the first metal fitting 5 as described above, if the length of the non-fixed part of the sill 2 is set to be the same as before, as shown in FIG. 3, only two first metal fittings 5 are required. , only four anchor bolts 7 are needed to fix this, and the construction time can be reduced by about 30%.

Further, the adjustable range of the sill 2 from the wall surface 4 is expanded by the length of the oblong hole 6g, that is, as shown by the chain line in FIG. 4. Moreover, since the fastener 8 can be easily moved between the vertical holes 6e and 6f by simply loosening it, the fastener 8 can be adjusted in a short time without being lost.

In this embodiment, the horizontally elongated hole 6g is provided near the center of the vertically elongated holes 6e, 6f, but the same effect can be obtained even if it is provided at the upper or lower end of the vertically elongated holes 6e, 6f.

As explained above, in this invention, the width of the first metal fitting fixed to the hoistway wall is approximately 1/4 of the width of the entrance/exit of the landing, and a pair of the first metal fittings are installed along the threshold. This makes it possible to reduce the number of anchor bolts, thereby realizing an elevator landing threshold device that can shorten the construction time.

[Brief explanation of the drawing]

Fig. 1 is a front view showing a conventional threshold device for an elevator landing, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 is a front view showing an embodiment of the threshold device for an elevator landing according to this invention. 1 is an isometric view, FIG. 4 is a sectional view taken along the line -- in FIG. 3, and FIG. 5 is a perspective view of the first metal fitting and the second metal fitting in FIG. 3. 1... Doorway, 2... Threshold, 4... Lower edge wall surface, 5... First metal fitting, 5c... Fastening surface, 5d...
Elongated hole, 6...Second metal fitting, 6d...Slot hole, 6e, 6
f...Vertical hole, 6g...Horizontal hole. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

[Scope of utility model registration request] In a method for fixing a sill to the lower edge of a doorway, a metal plate is bent to form a groove, and the metal plate is fastened to the vertical plane of the lower edge by anchor bolts through the bottom of the groove to the side walls on both sides of the groove. are arranged along the vertical direction and have a fastening surface with fastening holes provided in each of these side walls, and the first metal fitting supports the sill in a part and has fastening holes in another part. a second metal fitting overlaid on the fastening surfaces on both sides of the metal fitting, and a second metal fitting inserted into both of the fastening holes to connect the first metal fitting to the first metal fitting.
a metal fitting and a fastener fastened to the second metal fitting, and the width dimension between both side walls of the first metal fitting is approximately 1/4 of the width of the doorway, and the first metal fitting is attached to the threshold. A threshold device for an elevator landing, characterized in that a pair of elevator landing threshold devices are installed side by side.