JP2537299Y2 - Elevator threshold - Google Patents

Description

[Detailed description of the invention]

[0001]

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

[0002]

2. Description of the Related Art A conventional elevator threshold is, for example, as shown in FIG. The elevator doors are doubled on the car side and the landing side from the viewpoint of safety. The car side door 101 is on the car side sill 102, and the landing side door 103 is on the landing side sill 104, respectively. You will be guided. When the car 105 rises or descends in the hoistway and reaches the landing 106 provided on each floor of the building, the car-side door 101 is opened and closed by a motor 107 provided in the car 105. The door 103 on the landing side is the door 10
Interlocking parts 10 which are located between
The door is opened and closed in conjunction with the door 101 by 8,109.

[0003]

However, in such a conventional elevator sill, the door 103 on the landing side has an interlocking part 10 located between the doors 101 and 103.
The doors 101 and 103 are opened and closed in conjunction with the opening and closing of the doors 101 and 109. Therefore, it is necessary to provide a predetermined interval between the doors 101 and 103. Therefore, a gap t ₁ between the car side threshold 102 and the landing side threshold 104 is required. Was also about 30 mm wide. Therefore, when the customer gets on and off the car 105,
Dropping the accessories, etc., the accessories, etc. enter into the gap t ₁ immediately, had fallen further to the hoistway. As a result, there has been a problem that maintenance and inspection personnel have to go to the elevator in order to pick up small articles and the like that have fallen in the hoistway.

[0004] The present invention provides an elevator sill that prevents small articles from entering into the gap between the car side sill and the landing side sill and falling into the hoistway even if the customer drops small articles when getting on and off. The purpose is to provide.

[0005]

In order to achieve such an object, the present invention provides a guide hole and a car on the landing side.
Landing side sill member with each side guide hole formed; and
The car side sill member, the landing side sill member and the car side sill
Located below each of the sill members,
A movable member on the landing that can project from the front end against the biasing force
And the movable member on the car side, and the movable member on the landing side and
Landings formed at the front end of each of the car-side movable members
And car-side teeth, and the landing-side movable member
And the landing side provided for each of the car-side movable members
Tapered part and car side tapered part, provided on the door
Pass the landing side guide hole and car side guide hole
Landing that engages the field-side tapered part and the car-side tapered part
Side guide pin and car side guide pin.
When the door opens, the guide pin on the landing and the guide on the car
The movable member on the landing side and the movable member on the car side by the pin
Protrude to engage the landing-side teeth and car-side teeth.
It is obtained by a structure in which as that.

[0006]

When the car ascends or descends in the hoistway and arrives at the landing on each floor, the door on the car and the door on the landing linked to this are opened. When the door is opened, the movable member is moved by the drive unit to close a gap between the landing-side sill member and the car-side sill member.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of an elevator threshold according to the present invention.

In FIG. 1, reference numeral 1 denotes a landing provided on each floor of the building.
Are facing each other. A pair of doors 3a (only one is shown) and a pair of doors 4a (only one is shown) are provided at the landing 1 and the car 2 doubly, and the door 4a is opened and closed by a motor 5 provided above the car 2. Is done. The door 3a is also opened and closed simultaneously via interlocking parts 6, 7 which are located between the door 3a and the door 4a and engage with each other. Also, doors 3a,
The opening and closing of 4a is guided by a landing side sill member 8 and a car side sill member 9 provided at the landing entrance 1 and the car 2, respectively.

Here, as shown in FIGS. 2 and 3, a support panel 11 having a dust discharge hole 11a is attached to the end face of the concrete at the landing 1 via an L-shaped steel 10, and the front and rear of the support panel 11 are provided. Side walls 12 and 13 are provided at ends (left and right ends in FIG. 2), and the landing-side sill member 8 is located on the side walls 12 and 13.

A movable member 14 is provided between the landing-side sill member 8 and the support panel 11 so as to be movable toward the car-side sill member 9. Since the opening 13a is formed in the side wall member 13, the movable member 14 can protrude from the opening 13a toward the car side sill member 9.

As shown in FIG. 4, a tooth portion 14a is formed on the distal end side (right end side in the figure) of the movable member 14, and tapered portions 14b and 14c are formed symmetrically on the proximal end side. . Tensile springs 15 and 16 are stretched between both ends of the movable member 14 and the side wall member 12, and the movable member 14
Is constantly biased toward the landing 1 side. Here, as shown in FIG. 2, a guide hole 7a is formed in the hallway side sill member 8 in the opening and closing direction of the door 3a, and a guide pin 18a attached to a lower end of the door 3a is inserted into the guide hole 17a. A guide roller 19 is provided at the tip of the guide pin 18a.
a is rotatably supported. A guide roller 19b is also attached to the door 3b. As shown in FIG. 4, the guide rollers 19a and 19b are tapered portions 14b and 1b.
4c, when the doors 3a, 3b are opened, the doors 3a, 3b press the tapered portions 14b, 14e via the guide rollers 19a, 19b to move the movable member 14 toward the car side sill member 9. .

Next, as shown in FIG. 2, a support panel 21 is similarly attached to the floor 2a of the car 2 via an L-shaped steel 20, and the support panel 21 is provided with side wall members 21 and 22, The above-described car side sill member 9 is located on the side wall members 21 and 22. A movable member 23 is disposed between the support panel 21 and the car side sill member 9, and the movable member 23 is formed with teeth 23 a and tapered portions 23 b and 23 c (shown in FIG. 4). It can be engaged with the tooth portion 14a. The door 4a is provided with a guide pin 24a. The guide pin 24a passes through a guide hole 25a formed in the car side sill member 9, and guide rollers 26a, 26b attached to the tip end thereof. Are in contact with the tapered portions 23b and 23c. As described above, FIG.
When the doors 4a and 4b are opened, as shown in FIG.
3 moves toward the landing side sill member 8, and the tooth portion 23a
Engages with the tooth portion 14a of the movable member 14 that moves at the same time.

The guide rollers 19a, 19b and the tapered portions 14b, 14c constitute a landing-side drive unit for moving the movable member 14 toward the car-side sill member 19. The guide rollers 26a, 26b and the tapered portion 23b. , 23
c constitutes a car-side drive unit that moves the movable member 23 toward the landing sill member 8.

When the car 2 ascends or descends in the hoistway and arrives at the landing 1 on each floor, the interlocking portion 7 on the car and the interlocking portion 6 on the landing engage with each other. ,
The door 4b is opened, and the doors 3a and 3b are simultaneously opened in conjunction with the doors 4a and 4b. Doors 4a, 4b
When the doors 3a and 3b are opened, the movable members 23 and 14 are pressed and moved by the guide rollers 26a and 26b and the guide rollers 19a and 19b, and approach each other. At this time, the teeth 23 of the movable members 23 and 14
a, 14a engages with the moves toward the gap t ₂ of the landing side sill member 8 and the car side sill member 9, for closing the gap t _2. Therefore, even if dropped or other accessories when getting on and off the customer to the car 2, the gap t ₂ is the movable member 23,
The small articles and the like are prevented from falling into the hoistway because they are closed by the pipes 14. As a result, the trouble of the maintenance and inspection staff having to pick up the small articles or the like dropped on the hoistway is eliminated.

Further , the gap t ₂ is defined by the teeth of the movable members 23 and 14.
The portions 23a and 14a are closed by meshing.
But why is there between the teeth 23a and 14a
Also, a minute gap will be formed. This small gap
It has a shape in which U-shape is alternately continuous. others
Therefore, even if a small object such as a key is dropped on the meshing teeth 23a, 14a, the above- mentioned minute gap has a U-shape.
Because of the continuous shape,
If you slip through the gap and fall into the hoistway,
No. On the other hand, since the clearance t ₂ is closed by the movable member 23,14, rather hoistway may appear when getting on and off the car 2, there is also an effect that it is possible to relieve the fear at this time.

When the doors 4a, 4b and the doors 3b, 3b are closed by the motor 5, the movable members 23, 14
Is pulled back by the tension springs 27, 28, 15, 16 and returns to its original position.

Although the movable members 14 and 23 are provided on the landing side and the car side, respectively, one movable member without the tooth portions 14a and 23a may be provided on the landing side or the car side. Good.

[0018]

As described above, according to the present invention, a movable member is provided on at least one of the landing side sill member and the car side sill member, and the car side door or the landing side door is provided. Since the movable member is moved by the drive unit into the gap between the car-side sill member and the landing-side sill member at the time of opening, even if a small object is dropped when the customer gets on and off the car, Is prevented from falling into the hoistway. As a result, there is no need for the maintenance and inspection staff to pick up small articles and the like that have fallen in the hoistway. Ma
Also, the very small gap that can be created between the meshing teeth
Because the U-shape is alternately continuous,
Even small objects such as keys can rub through the small gaps
It will not fall out and fall into the hoistway. did
As a result, small items dropped when passengers get on and off
This will be further prevented .

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an embodiment of an elevator threshold according to the present invention.

FIG. 2 is an enlarged cross-sectional view of a part viewed from an arrow A in FIG. 1;

FIG. 3 is a perspective view of a threshold of the elevator.

FIG. 4 is a plan sectional view of the elevator.

FIG. 5 is a sectional view of a conventional elevator threshold.

[Explanation of symbols]

1 ... hall entrance, 2 ... basket, 3a, 3b ... hall side door, 4
a, 4b: car side door, 8: landing side sill member, 9: car side sill member, 14, 23 ... movable member, 14b, 14
c, 23b, 23c ... tapered portion, 19a, 19b, 2
6a, 26b: Guide rollers.

Claims (1)

(57) [Scope of request for utility model registration] The guide hole on the landing side and the guide hole on the car side are provided.
The landing-side sill member and the car-side sill part respectively formed
Material and that of this landing side sill member and car side sill member
Under each of these, and biased from the front end of these sill members
The movable member on the landing side and the car side
The movable member, the movable member on the landing side and the movable member on the car side
Landing-side teeth formed at the front end of each member
Tooth part on the car side, the movable member on the landing side and the car side
The landing side tapered part and the
And car side tapered part, landing side guide hole provided in the door
And the car side guide hole, respectively, and the landing side taper part
Landing side guide pi
With a guide pin on the car and the car side, and when the door opens,
By landing side guide pin and car side guide pin
The movable member on the landing side and the movable member on the car side
A sill for an elevator, characterized in that teeth on a car side and teeth on a car side are meshed with each other.