JP3411221B2 - Dam Waiter Basket Door Equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car door device for opening and closing an opening of a car of a floor type dam waiter.

[0002]

2. Description of the Related Art A dam waiter is used as a small capacity elevator for transporting luggage and the like in a building. One type of dam waiter is a floor type dam waiter, and the car is operated so that the floor of the car stops corresponding to the floor of the entrance / exit of the building. FIG. 6 shows, for example, JP-A-7-267551.
It is a principal part side view at the time of a car door fully opening which shows the conventional dam waiter shown by the publication.

In the figure, reference numeral 11 denotes guide rails installed on both sides of the front opening of the car 3 and extending to the lower surface of the car 3. The car door is configured by connecting a plurality of bar lattices 12 arranged in parallel to each other by a chain (not shown), and both ends of the bar lattice 12 are guide rails 11.
To be guided by. When the car 3 stops at the entrance / exit and the holding of the car door is manually released, the car door descends by its own weight and is stored on the lower surface of the car 3.

At this time, when the bridge plate 13 provided on the upper end of the car door is rotated, the floor surface 1 of the entrance and exit and the car 3
The floor is bridged by the bridge plate 13, the car door is fully opened, and the carriage 9 is started to be taken in and out.

[0005]

In the conventional dam waiter as described above, since the bridge plate 13 is rotated to bridge the floor surface 1 of the entrance / exit and the floor surface of the car 3, the car 3
If the floor surface of stops below the floor surface 1 of the entrance / exit,
As shown in FIG. 6, the bridging plate 13 has a distal end inclined upward, which causes a problem that the carriage 9 is hindered from being taken in and out.

The present invention has been made in order to solve the above-mentioned problems, and a dam waiter which can easily take in and out a dolly or the like even when a step is formed between the floor surface of the entrance and exit and the floor surface of the car. It is intended to provide a car door device.

[0007]

According to a first aspect of the present invention, there is provided a car door device for a dam waiter in which a car door is pivotally attached to a car, a lower end of which is pivotally attached to the car and which is pivotable toward an entrance / exit side. It is composed of a main part that is worn and can rotate toward the entrance / exit side, and the upper part of the car door is held by a fixing rod that crosses the opening.
The fixing device is provided .

A car door device for a dam waiter according to a second aspect of the present invention is the car door device according to the first aspect, wherein the fixing device is opened.
A locking rod that crosses the top of the mouth and engages both ends of this locking rod
And a guide rail for guiding the fixed rod upward .

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. 1 to 5 are views showing an embodiment of the first and second inventions of the present invention.
Front view of the car with the car door fully closed, Fig. 2 is a right side cross-sectional view of Fig. 1, Fig. 3 is a view of the car door of Fig. 2 halfway open, and Fig. 4 is the car floor from the floor of the doorway. Is a side view of the main parts when the car door is fully opened at a high position, and FIG. 5 is a side view of the main parts when the car door is fully opened at a position where the car floor surface is lower than the entrance / exit floor surface. The same part is shown.

In the figure, 1 is a floor surface of an inlet / outlet of a floor type dam waiter, 2 is an inlet / outlet door for opening / closing the inlet / outlet, 3 is a car for moving up and down a hoistway, 4 is a front part of the car 3 (front in FIG. 1). Side of the car door provided in the opening,
It is composed of a base portion 4a and a main portion 4b, and a tip portion 4 of the main portion 4b.
The width of c is narrower than the width of other portions. And
The base portion 4a is pivotally supported on the floor portion of the car 3, and the main portion 4b is joined to the base portion 4a by a hinge 5 so that the main portion 4b can be pivoted to the entrance / exit opening side, and its position is less than half of the total height of the car door 4. Set to the position.

Numeral 6 is a quadrant-shaped stop plate, one of its radial sides is fixed to both sides of the base plate 4a, and the other is in contact with the floor surface of the car 3 when the car door 4 is fully closed. There is. Reference numeral 7 is a guide rail fixed to the inner surface of the upper portion of the car 3 and having an inverted L-shaped guide groove 7a, and 8 is disposed at the front part of the front end portion 4c of the car door 4 when both ends are supported by the guide grooves 7a. It is a fixed rod. The width of the guide groove 7a is about the diameter of the fixed rod 8, and the depth of the guide groove 7a is such that the fixed rod 8 does not come off while the car 3 moves up and down. 9 is a dolly. Here, the guide rail 7,
The guide groove 7a and the fixing rod 8 constitute a fixing device.

Next, the operation of this embodiment will be described.
While the car 3 is moving up and down, as shown in FIGS. 1 and 2, the access door 2 closes the access door. Also, the basket door 4
The opening of the basket 3 is closed. At this time, the fixed rod 8
Both ends of are supported in the lower part of the guide groove 7a of the guide rail 7,
The tip 4c of the car door 4 is fixed.

When the car 3 stops at the entrance / exit, the entrance / exit door 2 is artificially opened upward. Next, the fixed rod 8
Is raised along the guide groove 7a, then moved in the rear direction of the car 3 and placed in the upper rear part of the guide groove 7a. Then, out is rotated forward as shown the car door 4 in FIG. 3, when placed on the floor 1 of the loading and unloading opening, as shown in FIGS. 4 and 5, car door 4
Is fully opened, and the carriage 9 can be put in and taken out.

At this time, if the floor surface of the car 3 is stopped above the floor surface 1 of the access port, as shown in FIG.
When the base 4a is almost horizontal and the floor surface of the car 3 is stopped below the floor surface 1 of the entrance / exit, as shown in FIG. 5, the base 4a abuts on the floor of the entrance / exit and the main portion 4b is refracted at the hinge 5. With this, the influence of the step between the floor surface of the car 3 and the floor surface 1 of the entrance / exit is corrected, and the gap between the car 3 and the floor surface 1 of the entrance / exit is bridged.
It becomes easy to put in and take out.

When the carriage 9 is finished to be put in and taken out, the car door 4 is rotated in the reverse order to the front to raise the fixed rod 8 into the guide groove 7a.
And is lowered in front of the front end portion 4c of the car door 4 so that the car door 4 does not fall forward while the car 3 is moving up and down. The car door 4 includes the stopper plate 6 of the base 4a and the car 3
The floor surface of the vehicle is in contact with the floor surface of the vehicle so that it cannot fall backward. This prevents the cart 9 from protruding from the car 3 and the luggage from protruding from the car 3 due to the collapse of the load while the car 3 is being lifted and lowered.

When the closing of the car door 4 is completed, the door 2 is lowered to fully close the door, and the car 3 is moved up and down. As shown in FIGS. 4 and 5, a switch (not shown) for detecting the fully opened state of the car door 4 is provided, and when the fully opened state of the car door 4 is detected, the operation of the car 3 is blocked. It has become. For example, this switch may be configured to operate by the movement of the stop plate 6.

[0017]

As described above, according to the first aspect of the present invention, the car door has the lower end pivotally attached to the car and rotatable toward the entrance / exit opening side, and the car door pivotally attached to this base part to rotate toward the entrance / exit opening side. It is composed of a movable main part and a fixed rod that crosses the opening.
In the second invention, a fixing device for holding the upper part of the car door is provided.
The fixing device with a fixing rod across the top of the opening
Guide that engages both ends of the fixed rod and guides the fixed rod upward
Since it is configured with rails, when the car door is fully opened, even if the car floor stops below the floor of the entrance / exit, the main part of the car door bends to the base and both floors The influence of the step is corrected, and it is possible to easily take in and out the dolly and the like. Further, it is possible to prevent the dolly or the like from protruding from the car while the car is being raised or lowered.

[Brief description of drawings]

FIG. 1 is a front view of a car in a fully closed state of a car according to a first embodiment of the present invention.

FIG. 2 is a right side sectional view of FIG.

FIG. 3 is a view in which the car door of FIG. 2 is opened halfway.

FIG. 4 is a side view of essential parts when the car door is fully opened at a position where the car floor is higher than the floor surface of the access door.

FIG. 5 is a side view of essential parts when the car floor is fully opened at a position where the car floor is lower than the floor surface of the access door.

FIG. 6 is a side view of a main part of a conventional dam waiter when the car door is fully opened.

[Explanation of symbols]

1 floor of entrance / exit, 3 cages, 4 cage doors,
4a Base of car door, 4b Main part of car door, 4c Tip of car door, 5 Hinge, 7 Fixing device (guide rail), 7a Fixing device (guide groove), 8 Fixing device (fixing rod), 9 Cart

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B66B 1/00-19/06

Claims (2)

(57) [Claims] 1. In a dam waiter having a car that moves up and down in a hoistway and whose front surface is open, and the floor surface of this car stops corresponding to the floor surface of a doorway on the building side, the opening is provided in the car. A car door is provided for opening and closing, and the car door has a base portion whose lower end is pivotally attached to the car and is rotatable toward the access port side, and a main portion which is pivotally attached to the base portion and is pivotable toward the access port side. And crosses the opening, and in the vertical direction.
The main part of the car door above is fixed by a fixed rod that can be moved to
To the car side to hold the car door in the fully closed position.
A cage door device for dam waiters, which is equipped with a fixed device . 2. The fixing device traverses the upper part of the opening of the car.
And when the car door is fully closed, the hoistway of the main part of the car door
On the inner side of the upper part of the above-mentioned opening
Is engaged with both ends of the fixing rod to move the fixing rod upward.
Claim comprising a guide rail for guiding
Item 1. A car door device for a dam waiter according to item 1.