JP4844146B2 - Elevator landing door equipment - Google Patents

Description

  The present invention relates to a landing door device provided at each landing of an elevator.

  The hall entrance / exit formed at each hall of the elevator is generally opened and closed by laterally moving one or more hall doors to one side or both sides. That is, the landing door that opens and closes the landing doorway is composed of a single-open or double-open lateral door. And if the car that goes up and down in the elevator hoistway is not stopped at the landing, the landing entrance formed at the landing is to prevent the elevator user at the landing from falling into the hoistway, such as a steel plate It is covered and closed by a door panel of a landing door made of a plate member. Here, in the conventional landing door device provided with the landing door having the above-described structure, both sides of the door panel are bent in a substantially U shape on the vertical projection surface to give the landing door a predetermined strength. Is disclosed (for example, see Patent Document 1).

  Moreover, the said landing door provided in each hall of an elevator is normally driven by the door drive device with which the car which raises / lowers the inside of an elevator hoistway was equipped. That is, when the car is stopped at the landing and the car door is driven by the door driving device, the engaging devices provided on the back surface of the landing door and the back surface of the car door are engaged with each other, and the door driving device The driving force is transmitted to the landing door through the engagement device. In the engaging device, the landing side engaging portion provided on the landing door protrudes from the landing door to the car side, and the car side engaging portion provided on the car door protrudes from the car door to the landing side. Therefore, a collision between the landing-side engaging portion and the car door device and a collision between the car-side engaging portion and the landing door device are not allowed between the landing door and the car door. In order to avoid this, a predetermined gap is formed. The gap formed between the landing door and the car door is always kept constant even when the landing door and the car door are opened and closed.

Japanese Patent Application Laid-Open No. 3-232686

  Since the elevator doorway device including the landing door device and the car door device has the above-described configuration and operation, for example, when an elevator user who tries to get on the car grabs the door end side of the landing door In addition, there is a possibility that the fingertip that has entered between the landing door and the car door touches the back surface portion arranged on the hoistway side among the door-contact side end portions that are substantially U-shaped on the vertical projection surface. . Therefore, chamfering work that removes the burr of cutting or cutting of the plate-like member forming the door panel is performed on the part of the door panel of the landing door that is likely to touch the user even if it is the back surface. As a result, there has been a problem that workability in the manufacturing process is remarkably deteriorated.

  In addition, since the safety shoe for preventing pinching is usually provided at the door end side of the car door device on the landing side of the door panel of the car door, the above-described problem does not occur.

The present invention has been made to solve the above-described problems, and its purpose is to provide a plate-like member even when a fingertip such as a passenger enters a gap formed between a landing door and a car door. It is intended to provide a landing door device for an elevator that can reliably prevent a finger or a hand from touching the cut surface and improve workability in a manufacturing process.

An elevator hall door device according to the present invention is a landing door device in which a hall door that opens and closes an elevator hall entrance and exit moves laterally in conjunction with the car door while keeping a gap formed between the elevator door and the car door constant. The door panel of the landing door that covers the landing doorway when the door is closed is opposed to the surface portion forming the design surface, the end surface portion forming the door end side surface, and the hoistway side of the surface portion at the door end side. A back door portion, and the back door portion is bent to the back side of the surface portion over a range of a predetermined height. The curved portion is formed only in a range of a part of the height , and the back surface has a slit at the height above and below the curved portion, from the opposite edge to the door. It is formed .

In the elevator landing door device according to the present invention , even when a fingertip of a passenger or the like enters a gap formed between the landing door and the car door , the finger or hand touches the cut surface of the plate-like member. Can be reliably prevented, and workability in the manufacturing process can be improved.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
1 is a longitudinal sectional view showing an elevator door device according to Embodiment 1 of the present invention, FIG. 2 is a view taken along the line AA of the elevator door device shown in FIG. 1, and FIG. 3 is Embodiment 1 of the present invention. It is a principal part perspective view of the landing door apparatus of the elevator. In FIG. 1 to FIG. 3, 1 is a floor of an elevator hall, 2 is an upper frame of a three-way hall that forms the upper surface of the hall entrance, 3 is a hall door device provided at the hall, and this hall door device 3 is The landing door 4 that opens and closes the landing doorway and the landing threshold 5 that guides the lower end of the landing door 4 are configured. Reference numeral 6 denotes a floor portion of a car that moves up and down in the elevator hoistway, 7 denotes an upper frame that forms the upper surface of the car entrance, 8 denotes a car door device provided in the car, and the car door device 8 includes the car doorway. A car door 9 that opens and closes the car, a car sill 10 that guides the lower end of the car door 9, and a door-end side end of the car door 9 that is sandwiched between the car door 9 so as to be movable forward and backward. It is comprised from the safety shoe 11 for prevention.

  Here, the hall entrances / exits formed at each hall of the elevator are opened / closed by laterally moving one or a plurality of hall doors 4 to one side or both sides. In other words, the landing door 4 that opens and closes the landing doorway is constituted by a laterally opening door of a single opening type or a double opening type. And if the car that goes up and down in the elevator hoistway is not stopped at the landing, the landing entrance formed at the landing is to prevent the elevator user at the landing from falling into the hoistway, such as a steel plate It is covered and closed by a door panel 12 made of a plate member. The landing door 4 includes the door panel 12, a door hanger 13 projecting upward from the upper part of the door panel 12, and a door leg 14 projecting downward from the lower part of the door panel 12. Yes. A hanger roller (not shown) rotatably provided on the upper portion of the door hanger 13 rolls on a rail (not shown) horizontally provided in the frontage direction on the hoistway wall above the landing entrance. By doing so, the landing door 4 moves sideways and the landing doorway is opened and closed.

  The landing door 4 is driven by a door driving device (not shown) provided in a car that moves up and down in the hoistway, and moves laterally in conjunction with the car door 9. That is, when the car stops at the landing and the car door 9 is driven by the door driving device, the engagement devices (not shown) provided on the back surface of the landing door 4 and the back surface of the car door 9 are engaged with each other. In this case, the driving force of the door driving device is transmitted to the landing door 4 via the engaging device. here. In the above engaging device, a landing side engaging portion (not shown) provided on the landing door 4 is provided on the car side from the landing door 4 and a car side engaging portion (not shown) provided on the car door 9. ) Project from the car door 9 to the landing side, and a predetermined gap is formed between the landing door device 3 and the car door device 8 in order to avoid a collision when the car is raised or lowered. Yes. In the general elevator apparatus, the car-side tip edge 5a of the hall sill 5 and the hall-side edge 10a of the car sill 10 are arranged closest to each other, for example, the car-side edge 5a. A gap of about 30 mm is formed between the front end edge 10a and the landing side. A predetermined gap is also formed between the landing door 4 and the car door 9, and this gap is always kept constant even when the landing door 4 and the car door 9 are opened and closed.

  Next, the configuration of the landing door 4 will be described. The door panel 12 of the landing door 4 is formed so that the entire surface facing the elevator user at the landing when the landing door 4 is closed (hereinafter referred to as “design surface”) is substantially flush with the surface portion forming this design surface. From 12a, the upper and lower parts and both side parts are bent to the hoistway side. Then, both side portions of the door panel 12 bent in a substantially U shape on the vertical projection plane are fixed to the upper and lower portions of the door panel 12 bent on the hoistway side by welding or the like, respectively. The strength of is secured. Further, the door-end side end portion of the door panel 12 that is substantially U-shaped on the vertical projection surface has a plate-like member that forms the door panel 12 over a predetermined height range that an elevator user may touch. Is further bent on the back surface side of the front surface portion 12a.

  That is, the door-end side end portion of the door panel 12 is bent at a substantially right angle from the surface portion 12a on which the design surface facing the elevator hall is formed, and from the surface portion 12a to the hoistway side (counter landing side), An end surface portion 12b on which a door end side surface is formed, and is bent at a substantially right angle from the end surface portion 12b to the center portion side of the door panel 12 and is disposed to face the hoistway side of the surface portion 12a. The rear panel 12c facing the door panel or the safety shoe 11 with a predetermined gap is configured to have a substantially U shape on the vertical projection surface. Then, the side edge portion of the back door 12c of the back surface 12c is bent to the back surface side of the front surface portion 12a over a range of a predetermined height, so that the predetermined edge of the side door edge of the back surface portion 12c is predetermined. A curved surface 12d having a predetermined curvature over a height range is formed, and a cutting surface (cut surface) of a plate-like member that continuously forms the surface portion 12a, the end surface portion 12b, the back surface portion 12c, and the curved portion 12d. ) Is arranged at the edge on the back surface side of the front surface portion 12a of the folded portion 12e disposed substantially parallel to the end surface portion 12b. The end surface portion 12b faces a door-to-door pillar (not shown) provided at the landing when the landing door device 3 is a single opening type, and opens and closes in the opposite direction when the landing door device 3 is a double opening type. It arrange | positions facing the door stop side end surface of the door panel.

  4 is a view corresponding to FIG. 2 when the elevator user's finger enters between the landing door and the car door, and FIG. 5 is a view corresponding to FIG. 2 when the elevator user's hand enters between the landing door and the car door. FIG. 4 and 5, in the elevator landing door device 3 having the above-described configuration, even if the elevator user's finger or hand enters between the landing door 4 and the car door 9, There is no possibility that a finger or a hand reaches the cutting surface (cut surface) of the plate-like member forming the door panel 12, and injury or the like can be reliably prevented. That is, the cutting surface (cut surface) of the plate-like member forming the door panel 12 is extended over a predetermined height range where the elevator user's hand or the like may touch the door end portion of the door panel 12. ) Is arranged at the edge of the front surface portion 12a and the back surface side of the folded portion 12e, so that even when the elevator user's fingers or hands enter between the landing door 4 and the car door 9, the user's The finger or hand only contacts the end surface portion 12b, the back surface portion 12c, and the curved portion 12d of the door panel 12, and does not reach the edge on the back surface side of the front surface portion 12a of the folded portion 12e.

  In addition, the door end side part of the door panel 12 is formed of a continuous surface portion 12a, end surface portion 12b, back surface portion 12c, curved portion 12d, and folded portion 12e by bending a single plate-like member. Therefore, there is no fear that a burr of cutting or the like in the manufacturing process may occur in a portion where the user may touch the hand, and the injury or the like can be surely prevented. Moreover, since the door-contact side edge part of the door panel 12 can be formed only by bending a single plate-like member, a chamfering operation for removing the burr of cutting of the plate-like member as in the prior art is also possible. It is not necessary, and the workability in the manufacturing process can be greatly improved. Since the landing door 4 is always opened and closed in conjunction with the car door 9, there is no fear of being viewed by an elevator user who gets on and off the back side of the landing door 4 and has a simple configuration as described above. However, it will not look bad and will not cause any problems.

Embodiment 2. FIG.
6 is a view corresponding to FIG. 2 in Embodiment 2 of the present invention. In FIG. 6, the door end portion of the door panel 12 of the landing door 4 is bent from the back surface portion 12 c to the back surface side of the front surface portion 12 a over a predetermined height range that the elevator user may touch. The folded portion 12f is bent until it overlaps the surface of the back surface portion 12c opposite to the surface facing the car door 9 or the like. And the curved part 12g formed between the back surface part 12c and the folding | returning part 12f is exhibiting the cylinder shape which has a predetermined curvature.

  By having such a configuration, the cutting surface (cut surface) of the plate-like member that forms the door panel 12 is disposed in the U-shaped portion formed by the front surface portion 12a, the end surface portion 12b, and the back surface portion 12c. Even if a user's finger or hand enters between the landing door 4 and the car door 9, the user's hand does not touch the cutting surface (cut surface), so that the user is surely injured. Can be prevented. Other than that, the configuration and effects similar to those of the first embodiment are obtained.

Embodiment 3 FIG.
FIG. 7 is a perspective view of an essential part of an elevator landing door device according to Embodiment 3 of the present invention, and FIG. 8 is a view corresponding to FIG. 5 in Embodiment 3 of the present invention. 7 and 8, the door contact side end of the door panel 12 of the landing door 4 is at a height slightly above and below the curved portion 12d, from the opposite door edge of the back surface 12c to the door contact side. On the other hand, the slits 15a and 15b are formed substantially horizontally.

  In the landing door device 3 having such a configuration, when the elevator user's hand or the like is sandwiched between the landing door 4 and the car door 9, the back surface portion 12c is easily deformed to the front surface portion 12a side. Therefore, it is possible to provide a safer landing door device 3 by absorbing the impact at the moment of being sandwiched. In addition, the intensity | strength of the back surface part 12c can also be adjusted by adjusting the cutting depth of the slits 15a and 15b.

It is a longitudinal cross-sectional view which shows the door apparatus of the elevator in Embodiment 1 of this invention. It is an AA arrow line view of the door apparatus of the elevator shown in FIG. It is a principal part perspective view of the elevator landing door apparatus in Embodiment 1 of this invention. FIG. 3 is a view corresponding to FIG. 2 when an elevator user's finger enters between a landing door and a car door. FIG. 3 is a view corresponding to FIG. 2 when an elevator user's hand enters between a landing door and a car door. FIG. 3 is a view corresponding to FIG. 2 in Embodiment 2 of the present invention. It is a principal part perspective view of the elevator landing door apparatus in Embodiment 3 of this invention. FIG. 6 is a view corresponding to FIG. 5 in Embodiment 3 of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 6 Floor part 2, 7 Upper frame 3 Boarding door apparatus 4 Boarding door 5 Boarding sill part 5a Car side front edge part 8 Car door apparatus 9 Car door 10 Car sill part 10a Landing side front edge part 11 Safety shoe 12 Door panel 12a Surface portion 12b End surface portion 12c Back surface portion 12d, 12g Curved portion 12e, 12f Turn-up portion 13 Door hanger 14 Door leg 15a, 15b Slit

Claims (3)

In the landing door device in which the landing door that opens and closes the landing doorway of the elevator moves laterally in conjunction with the car door while keeping a gap formed between the elevator door and the car door constant,
The door panel of the landing door that covers the landing doorway when the door is closed,
A surface portion forming a design surface;
An end surface portion forming a door end side end surface;
A back surface portion arranged to face the hoistway side of the front surface portion,
With
In the back surface portion, the side edge portion of the counter door contact side is bent to the back surface side of the surface portion over a predetermined height range, so that the height range of a part of the side edge portion of the counter door contact side. Only the curved part is formed ,
The elevator door device according to claim 1, wherein the back surface portion has slits formed at respective heights above and below the curved portion from the opposite edge portion toward the door side. . The doorstop end portion of the door panel, characterized by one plate-like member is bent, said surface portion, said end face portion, the back portion, said curved portion is formed in a series The elevator landing door device according to claim 1. The door panel is
The upper part bent to the hoistway side is fixed to the upper end part of the door end side part on the back side of the surface part,
The lower part bent to the hoistway side is fixed to the lower end part of the door end part on the back side of the surface part,
The upper slit is disposed adjacent to the upper part below the upper part of the door panel,
The elevator landing door device according to claim 2, wherein the slit on the lower side is disposed above the lower portion of the door panel and close to the lower portion .

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