JP4614720B2 - Elevator hall - Google Patents

Description

  The present invention relates to an elevator hall having smoke shielding performance.

  In the elevator halls on each floor of the building, smoke barriers that block the gaps at the hall entrances and exits are installed to prevent smoke generated in the event of a fire from diffusing into the building through the hoistway. There is something installed in the etc. FIG. 7 is a front view of such a conventional elevator hall, and shows a state viewed from the hall side. In the figure, a hall three-way frame 1 composed of two vertical frames 1a and an upper frame 1b arranged over the upper part of the vertical frame 1a, and a floor 2 of the hall on which the hall three-side frame 1 is erected, The entrance / exit formed by is equipped with a plurality of landing doors, and if the elevator car (not shown) is not stopped at that landing, ensure the safety of the users at the landing Therefore, the landing entrance is closed by the landing door. The landing door is a so-called one-sided horizontal sliding door that opens and closes when the platform door is moved in the same direction. In FIG. 7, the door is located on the landing side of the landing door. It is composed of two doors: a low-speed door 3a that moves at a low speed and a high-speed door 3b that is arranged on the hoistway side of the low-speed door 3a and moves at a higher speed than the low-speed door 3a when opening and closing. The case is shown.

  The landing doorway has a predetermined gap required for opening and closing the landing door between the landing door and the landing three-way frame 1 and the landing floor 2 or between the low-speed door 3a and the high-speed door 3b. In order to close these gaps formed at the time of closing the landing doorway, smoke shielding devices are installed in the landing doors and the like. Here, FIG. 8 is a cross-sectional view taken along the line AA of FIG. 7 and shows the arrangement of smoke shielding devices provided at the landing doors when the landing doorway is closed. In the figure, the landing doors include side airtight materials 4a and 4b that close the gap formed in the vertical direction between the landing doors and the vertical frame 1a, and between the landing doors, that is, the low-speed door 3a and A central airtight member 5 for closing a gap formed between the high-speed doors 3b in the vertical direction, and lower airtight members 6a and 6b for closing a gap formed in the horizontal direction between the landing door and the landing floor 2 are provided. Is provided. Although not shown in FIGS. 7 and 8, on the hoistway side or the like of the upper frame 1b, an upper airtight material that closes a gap formed in the horizontal direction between the landing door and the upper frame 1b is provided. ing.

  In the conventional elevator hall having such a configuration, for example, a portion where a guide shoe is not provided at the lower part of the landing door as a lower airtight material that closes a gap formed between the landing door and the floor 2 of the landing There is disclosed a structure in which a shielding plate is provided, and a sliding plate attached to the shielding plate via a shielding rubber plate is arranged so as to come into contact with one side surface of a groove of a landing sill (Patent Document 1). reference).

JP-A-7-157254

  In the elevator hall provided with the smoke shielding performance by providing the smoke shielding device or the like described in Patent Document 1, the gap formed in the peripheral edge of the landing door, etc. is closed when the landing doorway is closed. Airtightness is ensured. However, when a plurality of landing doors are provided at the landing doorway, gaps are formed between the lower airtight materials provided at the lower portions of the landing doors, that is, in the B portion in FIGS. As a result, smoke or the like may enter from this gap during a fire or the like. In particular, when a groove for a landing sill is formed between the lower airtight materials, the gap becomes large, which is a problem.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator hall that can reliably improve airtightness with a simple configuration.

The elevator hall according to the present invention is provided at the landing doorway so as to be adjacent to the hoistway side with respect to the low-speed door, and at the same time as the low-speed door when opening and closing. A high-speed door that moves laterally in the direction, a low-speed door and a lower door of the high-speed door, and a landing threshold that guides the lower part of the low-speed door and the lower part of the high-speed door, and the lower part of the low-speed door The first lower airtight material that closes the gap in the width direction of the low-speed door, which is formed between the low-speed door and the sill of the landing when the landing door is closed, and the lower portion of the high-speed door, A second lower hermetic material that closes the gap in the width direction of the high-speed door, which is formed between the high-speed door and the sill of the landing when closed, and one side lower part of the low-speed door, when the landing doorway is closed A low speed formed between the first lower hermetic and the second lower hermetic And a third blocking the thickness direction of the gap of the lower airtight material, the groove of the sill of the landing between the first lower airtight material and a second lower airtight material is placed, a third lower airtight material The lower part of this is in contact with the upper surface of the landing threshold and the bottom surface of the groove of the landing threshold .

According to the present invention , the airtightness of the elevator hall can be reliably improved with a simple configuration.

  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.
The front view of the elevator hall in Embodiment 1 of this invention is the same as that of FIG. 7, The structure is as having mentioned above. 1 is a perspective view of a main part of an elevator hall according to Embodiment 1 of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a side view thereof. In the figure, the landing doors provided at the elevator entrance and exit are arranged at a low speed door 3a that moves at a low speed on the landing side and adjacent to the hoistway side with respect to the low speed door 3a. The high-speed door 3b moves at a high speed, and the landing doorway is opened and closed by the low-speed door 3a and the high-speed door 3b moving laterally in the same direction. The low-speed door 3a and the high-speed door 3b are guided to move in the lower part at the time of opening and closing by a landing threshold 7 provided immediately below, and the guide shoe 8a provided at the lower part of the low-speed door 3a The guide shoe 8b provided in the lower portion of the high-speed door 3b is provided in the groove portion 7a of the landing threshold 7 located immediately below the high-speed door 3b. 7b. In addition, a lower airtight member 6a is provided at the lower part of the low-speed door 3a, which is formed between the low-speed door 3a and the landing sill 7 when the landing doorway is closed and closes the gap in the width direction of the low-speed door 3a. The lower airtight member 6a is disposed on the landing side with respect to the groove portion 7a located immediately below the low-speed door 3a, and the lower end of the lower airtight material 6a is the upper surface of the landing threshold 7 on the landing side with respect to the groove portion 7a. It is arrange | positioned so that it may contact. On the other hand, at the lower part of the high-speed door 3b, there is provided a lower airtight member 6b which is formed between the high-speed door 3b and the sill 7 of the landing when the landing doorway is closed and blocks the gap in the width direction of the high-speed door 3b. The lower airtight member 6b is disposed on the landing side with respect to the groove portion 7b located immediately below the high-speed door 3b, and its lower end is on the upper surface between the groove portions 7a and 7b of the landing threshold 7 It is arranged to touch.

  The low-speed door 3a and the high-speed door 3b that are adjacent to each other prevent the elevator user at the landing from falling into the hoistway. They are arranged so as to overlap when viewed from the landing side. In other words, when the landing doorway is closed, one end in the width direction of the low-speed door 3a is located on the landing side of the other end in the width direction of the high-speed door 3b. A gap is formed in the vertical direction between one end of the low-speed door 3a and the other end of the high-speed door 3b, which is not shown in FIGS. The gap is closed by a central airtight member provided at one end of the low-speed door 3a or the other end of the high-speed door 3b. The lower airtight member 6a provided at the lower part of the low-speed door 3a and the lower airtight member 6b provided at the lower part of the high-speed door 3b are similar to the low-speed door 3a and the high-speed door 3b. When closed, the adjacent ends are arranged so as to overlap each other when viewed from the landing side, and a low-speed door is provided between one end of the lower airtight member 6a and the other end of the lower airtight member 6b. A gap including the groove 7a is formed in the thickness direction 3a. A smoke shield 9 that closes this gap is provided at the lower part of one side of the low-speed door 3a to prevent smoke generated during a fire from entering the landing side or the hoistway side through this gap. Measures are taken.

  Next, the configuration of the smoke shield 9 will be described in detail. FIG. 4 is a perspective view of the smoke shield 9 according to Embodiment 1 of the present invention. In the figure, the smoke shielding part 9 is provided on the side of the low-speed door 3a from the hoistway side so that it cannot be seen by the user at the landing, and the mounting door 9a is provided on the mounting 9a. And a lower airtight member 9b which is formed between the lower airtight members 6a and 6b at the time of closing and closes the gap in the thickness direction of the low speed door 3a. This attachment metal 9a is provided with an attachment surface parallel to the one side end surface in the width direction of the low-speed door 3a, and one upper surface of the lower airtight material 9b having a thin plate shape is bonded and fixed to this attachment surface. And the smoke shielding part 9 is arranged so that the other surface upper part of the lower airtight material 9b is pressed against the one side end surface of the low-speed door 3a from the inside, and the lower part of the lower airtight material 9b is the upper surface of the landing sill 7 One of the low-speed doors 3a is arranged so as to contact the bottom surface of the groove 7a of the landing sill 7 through a mounting hole 9c provided in the mounting metal 9a by a fastening member such as a bolt (not shown). Fastened to the lower side.

  FIG. 5 shows a lower airtight member 9b according to the first embodiment of the present invention, and (a) and (b) each show one example. In the figure, a lower airtight member 9b shown in FIG. 5A is made of a polymer material elastic body such as rubber having a thin plate shape, and a step is provided in the lower part thereof. Thus, by providing a step at the lower portion, it is possible to contact the top surface of the landing threshold 7 and the bottom surface of the groove 7a of different heights, respectively, the contact portion with the threshold 7 of the landing, that is, Cuts and nicks are provided at predetermined intervals on the top surface of the landing threshold 7 and the portion of the landing threshold 7 that contacts the bottom surface of the groove 7a. Further, the lower airtight member 9b shown in (b) is made of an elastic body of a polymer material such as rubber having a thin plate shape like the lower airtight member 9b shown in (a), and a step is provided in the lower part thereof. The contact portion with the landing sill 7, that is, the portion that contacts the top surface of the landing sill 7 and the bottom surface of the groove 7 a of the landing sill 7 has a jagged shape typified by a saw blade shape. That is, the lower airtight material 9b shown in (a) and (b) is designed to reduce the frictional resistance generated when the landing doors 3a and 3b are opened and closed.

  According to Embodiment 1 of the present invention, when the landing doorway is closed, it is formed between the lower airtight material 6a provided at the lower part of the low speed door 3a and the lower airtight material 6b provided at the lower part of the high speed door 3b. Since the gap in the thickness direction of the low-speed door 3a is blocked by the lower airtight material 9b of the smoke shielding part 9, smoke generated during a fire or the like diffuses into the building through this gap. It is possible to reliably prevent such a situation. Moreover, since the lower part of the lower airtight material 9b is arranged so as to contact the bottom surface of the groove part 7a of the landing sill 7, there is no possibility that smoke or the like enters the hoistway or the landing via the groove part 7a. In the first embodiment, the lower airtight materials 6a, 6b, and 9b correspond to the first, second, and third lower airtight materials in the claims, respectively.

Embodiment 2. FIG.
FIG. 6 is a front view of the lower hermetic material according to the second embodiment of the present invention. In the figure, the lower airtight member 9b of the smoke shield 9 that closes the gap formed between the lower airtight members 6a and 6b is made of a polymer material elastic body such as a thin plate-like rubber, and a step is provided below the lower airtight member 9b. Yes. Further, the contact portion with the landing sill 7, that is, the portion contacting the top surface of the landing sill 7 and the bottom surface of the groove 7 a of the landing sill 7 has a substantially saw-tooth shape. Further, a non-contact portion with the landing sill 7, that is, a portion that does not contact the top surface of the landing sill 7 and the bottom surface of the groove 7 a of the landing sill 7 is provided with a reinforcing material 9 d such as a pin in the vertical direction. The rigidity of the lower airtight member 9b is increased. By having such a configuration, for example, even when there is a foreign substance in the groove portion 7a of the landing sill 7, the foreign substance can be pushed away by the lower airtight member 9b when the landing door is opened and closed, and the smoke shielding performance is ensured. It becomes possible to demonstrate. Others have the same configuration and effects as the first embodiment.

  In the present invention, the description has been given of the case of a single-opening type horizontal sliding door in which the landing doorway is opened and closed by the lateral movement of the two landing doors 3a and 3b in the same direction, but there are three or more landing doors. In the case of a single-opening type horizontal sliding door constructed from the above or a double-opening type horizontal sliding door in which a plurality of landing doors slide to one side at the time of opening and closing, the same configuration as in the present invention is provided. An effect can be obtained. That is, the lower part of the low-speed door provided on the landing side of the landing doorway and the high-speed door that is provided adjacent to the hoistway side of this low-speed door and moves laterally in the same direction as the low-speed door when opening and closing The first and second lower airtight members are respectively provided at the lower part of the door, and the first and second lower airtight members are closed when the landing doorway is closed by a third lower airtight member provided at the lower part of one side of the low-speed door. What is necessary is just to comprise so that the gap | interval of the thickness direction of the door of a landing formed between materials may be block | closed.

It is a principal part perspective view of the elevator hall in Embodiment 1 of this invention. It is a principal part front view of the elevator hall in Embodiment 1 of this invention. It is a principal part side view of the elevator hall in Embodiment 1 of this invention. It is a perspective view of the smoke shielding part in Embodiment 1 of this invention. It is the lower airtight material in Embodiment 1 of this invention, (a) is the one Example, (b) is the figure which showed the other Example. It is a front view of the lower airtight material in Embodiment 2 of this invention. It is a front view of the conventional elevator hall. It is AA sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Boarding three-way frame 1a Vertical frame 1b Upper frame 2 Floor of floor 3a Low-speed door 3b High-speed door 4a, 4b Side airtight material 5 Central airtight material 6a, 6b, 9b Lower airtight material 7 Platform sill 7a, 7b Groove 8a, 8b Guide shoe 9 Smoke shield 9a Mounting bracket 9c Mounting hole 9d Reinforcing material

Claims (4)

A low-speed door at the elevator doorway,
A high-speed door that is provided at the landing doorway so as to be adjacent to the hoistway side with respect to this low-speed door, and that moves laterally in the same direction as the low-speed door at the time of opening and closing,
A sill of a hall that is disposed below the low-speed door and the high-speed door and guides a lower portion of the low-speed door and a lower portion of the high-speed door;
A first lower airtight member provided at a lower portion of the low-speed door, and formed between the low-speed door and the sill of the landing when the landing doorway is closed, and closing a gap in a width direction of the low-speed door; ,
A second lower airtight material provided at a lower portion of the high-speed door, and formed between the high-speed door and the sill of the landing when the landing doorway is closed, and closing a gap in a width direction of the high-speed door; ,
A gap in the thickness direction of the low-speed door, which is provided at one lower portion of the low-speed door and is formed between the first lower airtight material and the second lower airtight material when the landing entrance is closed. with a third and a lower airtight member for closing the,
A groove portion of the landing sill is disposed between the first lower hermetic material and the second lower hermetic material, and the third lower hermetic material has a lower portion of the sill upper surface of the landing and the landing sill. An elevator hall that is in contact with the bottom surface of the groove of the sill . The third lower airtight material made of an elastic member, elevator hall according to claim 1, wherein a plurality of indentations in the contact portion between the threshold of the landing is provided. The third lower airtight material made of an elastic member, elevator hall according to claim 1, the contact portion of the threshold of the landing is characterized by exhibiting a saw blade shape. The third lower airtight material made of an elastic member, elevator hall according to claim 1, claim 3, characterized in that the reinforcing member is provided on the non-contact portion of the threshold of the landing.

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