JPH1171076A - Entrance for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an entrance for an elevator whereby the situation that opening action of a car door is disabled can be prevented. SOLUTION: Relating to between a floor 4 and a lower frame 7 of a car, a guide 5 of U-shaped vertical section is right/left symmetrically provided. Between these guides 5, a protection plate 6 connecting a protection plate piece in chain shape is stored. In a front end of this protection plate 6, a cylindrical tip end part 8 is welded. Relating to both sides of this tip end part 8, a fixing pin 9 is inserted through a compression coil spring. In an entrance column 2A, relating to an opposed side in a position of 3/4 height from a lower end, a pin hole is formed. In the case of loading a cargo in the car, the protection plate 6 is drawn out from a lower side of the floor 4, the fixing pin inserted to the tip end part 8 in the front end is inserted to the pin hole.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator doorway.

[0002]

2. Description of the Related Art FIG. 10 is a partial perspective view showing an example of a doorway of a conventional luggage elevator. FIG. 11 is a view of the front half of a car, excluding a ceiling plate, viewed from the inside of the car toward the landing.
FIG. 11 is an enlarged cross-sectional view taken along the line DD in FIG.

[0003] In Figs. 10 and 11, between the entrance columns 2A and 2B erected on both sides of the front end of the car, single-door two-door car doors 3C and 3D that open to the right are shown. Not hung via a hanger rail.

[0004] These car doors 3C and 3D are mounted on a sill (not shown) provided at the front end of the car floor 4 of the car.
The lower ends of the car doors 3C and 3D are opened and closed by a guide shoe (not shown) which is provided at the lower ends thereof and guided by a sill.

[0005] Sleeve side plates 1A are provided inside the left and right entrance pillars 2A and 2B, and the sleeve side plates 1A are placed on the upper surface of a skirting board laid laterally on the car floor 4. Left and right sleeve side plates 1
Further on the inside of A, a wide side plate 1 having the same shape as the sleeve side plate 1A.
B and 1C are provided in order, and a back side plate (not shown) is next to the inside of these side plates 1B and 1C.

The entrance / exit columns 2A, 2B and the sleeve side plate 1
A and a ceiling plate (not shown), which is formed in a rectangular shape and whose four sides are bent upward, are placed on the upper surfaces of the A and the side plates 1B and 1C. Has formed.

Among them, the car doors 3C and 3D and the sleeve side plate 1
A protective plate 21A made of a stainless steel plate is attached to the inside of A and the lower portions of the side plates 1B and 1C with an adhesive. Further, a protection plate 21B is provided below the sleeve side plate 1A, and the side plate 1B,
A protection plate 21C is joined to a lower portion of 1C.

These protective plates 21A, 21B, 21C are applied to the inner surfaces of the side plates 1B, 1C and the like by the luggage 27 described later with reference to FIG. 11 which is carried into the cab and carried into or out of the upper or lower floor. In order to prevent the surface from being damaged and to prevent the design from being deteriorated due to the damage, the height of the side plate is generally provided to about one third of the height.

[0009]

However, among users, if the height of the protection plates 21A, 21B, 21C is less than one-third of the side plate, as shown in FIG. If the luggage 27 collapses depending on the height, the corners may hit the upper ends of the protection plates 21A, 21B, and 21C, and the painted surface of the side plate may be damaged.

For this reason, it is conceivable to increase the height of the protection plates 21A, 21B, and 21C. However, this increases not only the workability but also the flatness due to the adhesive because the bonding area increases. There is also a risk that the appearance will be spoiled.

In the case of a two-door door shown in FIG. 11, when the collapsed luggage is caught between the door pocket-side end surface of the car door 3C and the entrance pillar 2B, the car door opens. It may not be possible. Then, an object of the present invention is to obtain an entrance of an elevator which can prevent a situation in which a car door cannot be opened.

[0012]

According to a first aspect of the present invention, there is provided an elevator having a shutter storage portion having an opening formed at a front end of a car floor between the car floor and a lower frame, and having an opening at a front end of the car floor. The connecting shutter provided with the fixing portion is housed in the shutter housing portion, and a locking portion for locking the fixing portion of the connecting shutter pulled out from the shutter housing portion is provided on the entrance / exit column of the car.

According to a second aspect of the present invention, the doorway of the elevator is characterized in that a connecting shutter is constituted by a chain-like connection of first shutter pieces having an S-shaped cross section. In particular, the doorway of the elevator according to the third aspect of the invention is characterized in that a fixed portion is constituted by a coil spring and a fixed pin inserted on both sides of the cylindrical portion.

According to a fourth aspect of the present invention, the doorway of the elevator is provided with a plurality of locking members protruding from the rear surfaces of the left and right door columns of the car, and is arranged in a wavy shape locked by the locking members. And provided ropes.

Further, according to a fifth aspect of the present invention, the entrance of the elevator has a plurality of locking members protruding from the rear surfaces of the left and right door columns of the car, and a protection net fixed via the locking members. The entrance and exit of the elevator according to the invention according to claim 6 are characterized in that a permanent magnet fixed to the opposing surfaces of the left and right entrance columns, and both ends of the permanent magnet are fixed to the permanent magnet via a connecting pin. And a second shutter piece connected thereto.

According to the invention, when a load is loaded on the car, the connecting shutter stored in the storing section is pulled out from the opening of the car floor. The fixed portion at the front end is fixed to the locking portion of the doorway column to avoid a situation where the car door cannot be opened and closed due to the collapse of the load.

Further, according to the invention corresponding to claim 4, the load of the load loaded in the basket is locked by the rope which is arranged and locked in a wave shape with respect to the locking tool protruding from the rear surface of the entrance / exit column. Avoid opening and closing of the car door due to collapse.

In the invention corresponding to claim 5, the car door cannot be opened and closed due to the collapse of the load inside the car by the protection net fixed to the locking member protruding from the rear surface of the doorway column. Avoid situations where

Further, in the invention according to claim 6, the second magnet fixed via the permanent magnets fixed to the left and right entrance columns.
This prevents the situation in which the car door cannot be opened and closed due to the collapse of the load inside the car.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an entrance and exit of an elevator according to the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a first embodiment of an entrance and exit of an elevator according to the present invention, and corresponds to FIG. 10 shown in the prior art, and corresponds to claims 1, 2 and 3. FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 and corresponds to FIG. 11 shown in the prior art.

FIGS. 1 and 2 are largely different from FIGS. 10 and 11 shown in the prior art in that the protection plates connected in a chain are accommodated between the car floor and the lower frame, and the luggage is mounted. Later, the protection plate is drawn out between the left and right entrance columns. In addition, the cage door is shown in the case of a double door type, but the side plate and the like are shown in the conventional technology.
10 and FIG. 11, and the same elements are denoted by the same reference numerals.

That is, as shown in FIG. 2, between the car floor 4 and the lower frame 7 provided below the car floor 4 with the vibration isolating rubber 26 therebetween, an L-shape in FIG. In a vertical cross-sectional view (not shown), a gutter-shaped guide 5 formed in a U-shape is stored parallel to the left and right with the opening sides facing each other, and is fixed to the lower frame 7 by welding.

The upper surface of the front end of the guide 5 is flush with the upper surface of the car floor 4. Therefore, the front end of the guide 5 is fitted to the car floor 4 at a position behind the threshold 19. Grooves are formed in advance. Further, circular pin holes are formed symmetrically at the upper portions of the left and right entrance columns 2 as described in detail with reference to FIGS.

FIG. 3 is a partially enlarged detailed view of the protection plate 6. The protection plate 6 is manufactured by connecting protection plate pieces 6a formed by bending a metal plate such as an aluminum plate into a substantially S-shape. I do.

That is, the protection plate pieces 6a are pressed from a mild steel plate, then subjected to a pre-treatment, coated with the same specifications as the side plates, and fitted and connected to each other from a direction perpendicular to the plane of FIG. .

FIG. 4 is an enlarged cross-sectional view taken along the line BB of FIG.
FIG. 5 shows a plan view of FIG. Note that, due to space limitations, the width of the entrance is shown in a reduced size. 4 and 5,
The opposite parts of the left and right entrance columns 2A are approximately three quarters from the lower end.
A pin hole 2a is formed in advance at the position of the height.

In FIG. 4 showing a state in which the protective plate 6 is pulled up to the entrance as in FIGS. 1 and 2, the distal end of the fixing pin 9 loosely fitted to the upper end of the protective plate 6 via the distal end 8 is shown. Is
The fixing pin 9 is inserted into the through hole 2a in a procedure described later.
As a result, the protection plate 6 is suspended from the inside of the car door.

That is, the lower end of the cylindrical tip 8 made of a thin aluminum tube is welded to the tip of the protection plate piece 6a connected to the tip of the protection plate 6.
A thin disk-shaped spring seat is joined in advance to the intermediate portion of the distal end portion 8 by spot welding on the outer surface side of the partition plate 8a.

The compression coil springs 10A are loosely fitted to the outside of the left and right partition plates 8a, and the projections at the base ends of the fixing pins 9 are fitted to the outsides of these compression coil springs 10A. I have.

A groove is formed at the tip of the convex portion of the fixing pin 9, and a lever is formed at the upper surface of the center of the fixing pin 9.
12 are erected. On the other hand, insertion holes are formed at the upper end of the distal end portion 8 with respect to the position on the distal end side of the partition plate 8a, and the shaft portions of the stopper 11 manufactured in a substantially T shape are inserted into these insertion holes. Have been.

Further, on both sides of the upper end of the tip portion 8, FIG.
, An L-shaped groove 8b is formed in advance. FIG. 5 shows a process in which the protection plate 6 is pulled up between the left and right entrance columns 2A, and the same applies to a state where the protection plate 6 is stored inside the car floor.

That is, in this state, the lever 12 is positioned at the bottom of the groove 8b formed at both ends of the tip 8 in FIG.
Inserted as shown. Therefore, the compression coil spring 10A is in a state of being compressed by the base end of the fixing pin 9.

At the entrance of the elevator constructed as described above, when the load is loaded into the car, the load carrier lifts the lever 12 by holding the upper portion of the lever 12 with a jig (not shown) and moves the position shown in FIG. When lifted up, the stopper 11 is lifted. Then, due to the return force of the compression coil spring 10A, the distal ends of the left and right fixing pins 9 are brought into contact with the entrance columns 2 on both sides.
A is loosely fitted in the through hole 2a formed in A.

Conversely, in this state, the car reaches the destination floor,
When the car door is opened, the transporter grasps the lever 12 and loosely fits the fixing pin 9 into the inside of the distal end portion 8 and pushes the lever 12 into the groove 8b.
While pressing the stopper 11, the lower end of the shaft of the stopper 11 is inserted into the groove of the fixing pin 9, and the compression coil spring 10A maintains the compressed state.

At the entrance of the elevator having the protection plate and the entrance / exit columns as described above, the number of the protection plate pieces 6a constituting the protection plate 6 is adjusted according to the specification of the user, and the through hole 2a formed in the entrance / exit column is formed. By changing the position of the car, it is possible to cope with a change in the height of the load loaded in the car, and it is possible to avoid a situation in which the car door cannot be opened due to the collapse of the load.

In the above embodiment, grooves for guiding both ends of the protection plate piece 6a with respect to the left and right entrance columns are vertically provided as shown by broken lines in FIG. May be projected to prevent the protective plate 6a from coming into contact with the car door due to the collapse of the load.

Next, FIG. 6 is a perspective view showing a second embodiment of the entrance of the elevator according to the present invention, which corresponds to claim 4 and corresponds to FIG. 1 shown in the first embodiment. is there.
FIG. 6 differs from FIG. 1 shown in the first embodiment in that a rope is used instead of the protection plate.

That is, seven welding nuts are respectively pre-joined to the front side at the rear of the left and right entrance columns 2A. A fixing pin 20 is attached to the entrance pillar 2A.
B and 20C are screwed into the welding nut from behind. Of these, the fixing pin 20C has a constricted portion formed in the middle.

Of these, a fixing pin fixed to the upper left end
An end of a fixture 15 fixed to an end of a rope 13 made of a hard nylon material is inserted into 20B, and is fixed with a pan-head screw.

The rope 13 whose end is inserted into this fixture 15
Is a fixing pin fixed to the top floor of the right entrance pillar 2A.
After being wound around 20C, it is alternately wound with the right fixing pin 20C via the left fixing pin 20C, and then the right door post 2
A is fixed to a fixing pin 20B at the lower end of A via a fixing tool 15.

In this case, it is easy to perform additional processing on the entrance and exit columns, and it is not necessary to perform additional processing on the lower part of the car floor.
It is easy to manufacture and can easily cope with an existing elevator car, and can also suppress an increase in the weight of the car.

Next, FIG. 7 is a view showing a third embodiment of an entrance and exit of an elevator according to the present invention, which corresponds to claim 5 and corresponds to FIGS. 1 and 6 shown in the above embodiment. It is. FIG. 7 is different from the above-described embodiment in that a net is used instead of the rope used in FIG.

That is, in FIG. 7, the left and right entrance columns 2A
The fixing pins 20A are fixed to the rear end face in four steps at equal intervals, and one side of a short rope 13B made of hard nylon is fixed to each fixing pin 20A via a fixing tool.

The other side of these ropes 13B is the entrance pillar 2
A is fixed to both sides of a hard nylon net 14 erected between A. Even at the entrance of the elevator configured as described above, the transporter who got on the car, after loading the luggage, fixed on one side of the rope 13B with the other side fixed to the net 14
By fixing 15 to each fixing pin 20A with a pan screw, it is possible to prevent a situation in which the car door cannot be opened and closed due to the collapse of the load.

In this case, similarly to the second embodiment, the present invention can be carried out only by additionally attaching the fixing pins 20A to the entrance pillar 2A, so that it is possible to easily cope with the existing elevator car. .

FIG. 8 is a perspective view showing a fourth embodiment of an entrance and exit of an elevator according to the present invention, and corresponds to FIGS. 1, 6 and 7 shown in the aforementioned embodiment. FIG. 8 differs from the above-described embodiment in that a protective plate that can be inverted is provided.

That is, a shutter plate 23 made of an aluminum plate is vertically attached to the inner surface side of the left sleeve-side plate 1A, and the right lower end of the shutter plate 23 projects from the sleeve-side plate 1A. Supported by the support shaft 16A.

On the other hand, a support shaft 16B is projected from an upper portion of the sleeve side plate 1A, and an upper portion of the shutter plate 23 is locked to the support shaft 16B. Furthermore, on the right doorway pillar 2B,
An elongated hole 17 having a long vertical direction is formed.

At the entrance of the elevator constructed as described above, when the carrier on the car loads the load on the car, the transporter, as shown by arrow C, moves the shutter plate 23 whose upper part is locked to the support shaft 16B as shown by the arrow C. Then, the tip of the shutter plate 23 is fitted into the elongated hole 17 by swinging the lower support shaft 16A about the shaft.

The width of the shutter plate 23 is determined together with the position of the upper and lower support shafts in accordance with the load height of the load loaded on the car. In this case, there is an advantage that the opening and closing operation of the shutter plate 23 is simplified. The material of the shutter plate is
As a glass fiber reinforced plastic material, the weight may be further reduced, and noise generated by vibrations caused by raising and lowering the car may be prevented.

Next, FIG. 9 is a cross-sectional view showing a fifth embodiment of an entrance and exit of an elevator according to the present invention, which corresponds to claim 6 and particularly corresponds to FIG. 5 shown in the first embodiment. FIG.

In FIG. 9, a permanent magnet 18 is attached to the entrance of the left entrance column 2A, and a housing 25 having a convex cross section is attached to the right entrance column 2C. I have.

The spring accommodating portion 25 has a compression coil spring 10
B is inserted, and a permanent magnet 18 is also fixed to the entrance and exit of the compression coil spring 10B. Between the left and right permanent magnets 18, end plates made of a high carbon steel plate at both ends of a bendable shutter 24 to which a plurality of shutter pieces 24 a are connected via connecting pins are attracted to the permanent magnets 18.

At the entrance of the elevator configured as described above, when carrying a load into the car, the left end of the shutter 24 is removed from the permanent magnet 18 and stored in the accommodation portion provided on the right entrance column 2C.

[0055]

As described above, according to the first aspect of the present invention, the shutter storage portion having the opening formed at the front end of the car floor is provided between the car floor and the lower frame, and the fixed portion is provided at the front end. The luggage connection shutter is stored in the shutter storage portion, and a locking portion for locking the fixing portion of the connection shutter pulled out from the shutter storage portion is provided on the entrance / exit column of the car. The connecting shutter housed in the section is pulled out from the opening of the car floor, and the fixing section at the front end of the connecting shutter can be fixed to the locking section of the doorway column, thereby preventing the opening of the car door from being disabled. The entrance and exit of the elevator which can be obtained can be obtained.

Further, according to the invention corresponding to claim 4,
By providing a plurality of locking tools protruding from the rear surfaces of the left and right pillars of the car and ropes locked by the locking tools and arranged in a wavy shape, the cage protruded from the rear faces of the door columns. An elevator that can prevent a situation in which the car door cannot be opened because the ropes arranged and locked in a wavy shape with respect to the locking device have prevented the collapse of loads loaded in the car. You can get the doorway.

According to the invention corresponding to claim 5,
By providing a plurality of locking tools protruding from the rear surfaces of the left and right door pillars of the car and a protection net fixed via the locking tools, the locking tools protruding from the rear surfaces of the door columns can be provided. In contrast, the collapse of the cargo inside the car is prevented by the protection net fixed, so that it is possible to obtain an entrance of the elevator that can prevent a situation in which the opening operation of the car door becomes impossible.

Further, according to the invention corresponding to claim 6, the permanent magnet fixed to the opposing surfaces of the left and right entrance columns of the car, and the second permanent magnet fixed at both ends to the permanent magnet and connected via the connecting pin. By providing the second shutter piece, the second shutter piece fixed via permanent magnets fixed to the left and right entrance columns avoids collapse of the load inside the car, so that the opening operation of the car door can be prevented. It is possible to obtain an entrance to an elevator that can prevent a situation in which it becomes impossible.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of an entrance and exit of an elevator according to the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a partially enlarged longitudinal sectional view of FIG. 1;

FIG. 4 is an enlarged detailed cross-sectional view taken along line BB of FIG. 2;

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a perspective view showing a second embodiment of the entrance of the elevator according to the present invention.

FIG. 7 is a perspective view showing a third embodiment of an entrance and exit of an elevator according to the present invention.

FIG. 8 is a perspective view showing a fourth embodiment of an entrance and exit of an elevator according to the present invention.

FIG. 9 is a cross-sectional view showing a fifth embodiment of the entrance of the elevator according to the present invention.

FIG. 10 is a perspective view showing an example of a doorway of a conventional elevator.

FIG. 11 is a sectional view taken along line DD of FIG. 10;

[Explanation of symbols]

1A: sleeve side plate, 1B, 1C: side plate, 2A, 2B: doorway pillar, 3A, 3B: car door, 4: car floor, 5: guide, 6
... Protective plate, 6a ... Protective plate piece, 7 ... Lower frame, 8 ... Tip, 8
a: Partition plate, 9: Fixing pin, 10A, 10B: Compression coil spring, 11: Stopper, 12: Lever, 13A, 13B: Rope,
14 ... net, 15 ... fixture, 16A, 16B ... support shaft, 17 ... oblong hole, 18
... permanent magnet, 19 ... threshold, 20A, 20B ... fixed pin, 21A,
21B ... Protection plate, 22 ... Car operation panel, 23 ... Shutter plate, 24 ...
Shutter, 25 ... accommodation part, 26 ... anti-vibration rubber.

Claims (6)

[Claims] 1. A shutter housing portion provided between a car floor and a lower frame and having an opening formed at a front end of the car floor, and a connecting shutter housed in the shutter housing portion and having a fixed portion provided at a front end. And an engaging portion provided on an entrance column of the car and engaging a fixing portion of the connecting shutter pulled out from the shutter housing portion. 2. The doorway of an elevator according to claim 1, wherein the connecting shutter is constituted by a chain-like connection of first shutter pieces each having an S-shaped cross section. 3. The elevator doorway according to claim 1, wherein the fixed portion is constituted by a coil spring and a fixed pin inserted on both sides of the cylindrical portion. 4. An entrance / exit of an elevator comprising a plurality of locking members protruding from rear surfaces of left and right entrance columns of an elevator car, and ropes locked by the locking members and arranged in a wavy shape. 5. An entrance / exit of an elevator comprising a plurality of locking members protruding from rear surfaces of left and right entrance columns of an elevator car, and a protection net fixed via the locking members. 6. An elevator comprising: a permanent magnet fixed to opposing surfaces of left and right entrance columns of an elevator car; and a second shutter piece fixed to both ends of the permanent magnet and connected via a connecting pin. Doorway.