JP4420194B2 - Elevator hall entrance / exit equipment - Google Patents

Description

  The present invention relates to an elevator entrance / exit device for closing an entrance / exit with a shield, for example, in the event of a fire.

  In a conventional elevator hall entrance / exit device, a fire / smoke-proof shutter curtain for closing the hall entrance / exit is sometimes housed in an upper frame of a three-way frame. For example, when a fire or the like occurs, the shutter curtain is lowered from the upper frame and closes the landing entrance. A rail that guides the shutter curtain is provided in the vertical frame of the three-way frame (see, for example, Patent Document 1).

JP 2003-267644 A

However, once the shutter curtain is removed from the rail, it takes time to return the shutter curtain to the rail.
Also, if the shutter curtain that has come off the rail is forcibly pulled up, it may be caught by the vertical frame and the shutter curtain may be torn.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide an elevator landing doorway device that can prevent the shield from coming off from the guide groove.

The elevator hall device according to the present invention includes a vertical frame provided at a side portion of the hall entrance and provided with a guide groove extending in the vertical direction, a closed position for closing the hall entrance, and an open position for opening the hall entrance. A shield that is displaceable between, a slide member that slides along the guide groove when the shield is displaced, and a slide that is provided at the bottom of the vertical frame and slides from the lower end of the guide groove The stopper includes a stopper that prevents the member from coming off , the stopper is disposed at a position higher than the height of the landing floor, and the slide member includes a slide member main body, and an extension portion that extends from the slide member main body and contacts the stopper. The height of the lower end portion of the slide member main body is the same as the height of the landing floor when the extension portion is in contact with the stopper.

  In the elevator landing doorway apparatus according to the present invention, since the stopper is provided at the lower part of the vertical frame, the slide member can be prevented from coming off from the lower end of the guide groove. As a result, there are harmful effects caused by the slide member coming off from the guide groove, for example, troubles for returning the slide member to the guide groove, and harmful effects such as breakage of the shield due to the slide member being caught by the lower end of the vertical frame when the slide member is pulled up Can be prevented.

Embodiment 1 FIG.
1 is a longitudinal sectional view showing an elevator landing doorway apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a sectional view taken along line II-II in FIG. Moreover, FIG.1 and FIG.2 is a figure which shows the state at the time of installation of the elevator doorway apparatus of an elevator. In the figure, a landing sill 3 extending in the direction of the frontage of the landing doorway 2 is fixed on the wall surface on the hoistway 1 side below the landing doorway 2. The landing threshold 3 is arranged at the lower part of the landing entrance 2. A pair of landing doors 6 for opening and closing the landing doorway 2 is disposed above the landing threshold 3. The height of the upper surface of the landing sill 3 is substantially the same as the height of the landing floor 5 (hereinafter referred to as “floor level”, and the floor level is indicated by the reference line 100 in the figure).

  A pair of vertical frames 7 extending vertically are provided on the side of the landing entrance 2. An upper frame 8 that extends horizontally between the upper ends of the vertical frames 7 is provided at the upper part of the landing entrance 2. Each vertical frame 7 and upper frame 8 are disposed on the landing 9 side of the landing door 6. The three-way frame 10 has each vertical frame 7 and upper frame 8.

  The height of the lower end surface of each vertical frame 7 is lower than the floor level. Each vertical frame 7 is provided with a guide groove 11 extending in the vertical direction. Each guide groove 11 is opposed to each other. Moreover, in each vertical frame 7, the attachment member 12 open | released by the guide groove 11 side is arrange | positioned (FIG. 2).

  Below the three-way frame 10, a space portion 13 is provided for receiving a floor material that becomes a floor portion of the hall entrance 2. The flooring is placed in the space 13 after the three-sided frame 10 is installed on the side and top of the landing entrance 2.

  In the upper frame 8, a winding device 15 having a winding shaft 14 extending horizontally is provided. A sheet-shaped shield 16 made of a flame retardant material is connected to the winding shaft 14. An opening 17 through which the shield 16 is passed is provided on the lower surface of the upper frame 8. The opening 17 extends in the frontage direction of the hall entrance 2.

  The shield 16 can be displaced between a closed position for closing the hall entrance 2 and an open position for opening the hall entrance 2 by driving the winding device 15. That is, the shield 16 is displaced from the winding shaft 14 to the closed position, and is wound onto the winding shaft 14 to the open position. A plurality of (in this case, four) weight plates 18 and a slide member 19 extending in the entrance direction of the landing entrance 2 are attached to the lower end of the shield 16 (FIG. 1).

  FIG. 3 is a longitudinal sectional view showing a state in which the weight plate 18 and the slide member 19 in FIG. 1 are attached to the shield 16. As shown in the figure, the lower end of the shield 16 is folded upward. The slide member 19 is disposed inside the folded portion of the shield 16. Further, the slide member 19 is sandwiched between the same number of weight plates 18 stacked on each other via the shield 16. Each weight plate 18 and slide member 19 are integrally fastened by bolts and nuts.

  4 is an enlarged view showing the IV part of FIG. 2, FIG. 5 is a cross-sectional view taken along line V-V in FIG. 4, and FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. In the figure, both end portions of the slide member 19 are inserted into the respective guide grooves 11. The slide member 19 is slidable along the guide groove 11. The slide member 19 is displaced upward when the shield 16 is displaced from the closed position to the open position, and is displaced downward when the shield 16 is displaced from the open position to the closed position.

  Each attachment member 12 extends along the guide groove 11. Each attachment member 12 includes a pair of fixing portions 12a fixed to the inner portion in the front end direction of the vertical frame 7, and a pair of rising portions 12b extending outward from the opposite ends of each fixing portion 12a to the front end direction. And a connecting portion 12c for connecting the leading end portions of the rising portions 12b (FIG. 4).

  A stopper 20 that prevents the slide member 19 from coming off the guide groove 11 is detachably attached to the lower end portion of each attachment member 12. The stopper 20 is disposed at the lower part of each vertical frame 7. The stopper 20 has a horizontal portion 20a that extends horizontally between the lower ends of the rising portions 12b, and a vertical portion 20b that extends upward from both ends of the horizontal portion 20a along the outer surface of the rising portion 12b. ing. That is, the stopper 20 has a U-shaped vertical cross section (FIG. 6).

  The stopper 20 is attached to the lower end portion of the attachment member 12 by fastening the vertical portion 20b to the rising portion 12b with a plurality of bolts (not shown). Further, the downward displacement of the slide member 19 is prevented by the horizontal portion 20a. Here, the height of the upper surface of the horizontal portion 20a is lower than the floor level.

Next, the installation procedure of the elevator hall entrance / exit device will be described.
Mounting parts such as a stopper 20 and a shield 16 are attached to the three-way frame 10 in advance by a factory. Thereafter, the three-way frame 10, the landing threshold 3, and the landing door 6 carried from the factory are installed at the landing entrance 2. At this time, a space portion 13 is provided below the three-way frame 10 in order to form a floor portion of the landing entrance 2.

  Thereafter, the shield 16 is actually operated to check whether it operates normally. At this time, the slide member 19 may be displaced to the lower end portion of the guide groove 11, but since the stopper 20 is provided at the lower portion of the vertical frame 7, the slide member 19 moves from the guide groove 11 to the space portion 13 side. It will not come off.

  After confirming the operation of the shield 16, the stopper 20 is removed from the mounting member 12. Thereafter, for example, a fluid material such as mortar is poured into the space portion 13 and solidified to complete the floor portion of the landing entrance 2. At this time, the height of the upper surface of the floor portion of the hall entrance 2 is set to the floor level. Thereby, the lower end part of each vertical frame 7 is embedded in the floor part of the hall entrance 2, and each vertical frame 7 is fixed to the floor part of the hall entrance 2. In this way, the elevator hall entrance / exit device is installed at the hall entrance 2.

  In such an elevator hall entrance / exit device, since the stopper 20 is provided at the lower part of each vertical frame 7, the slide member 19 can be prevented from coming off from the lower end of the guide groove 11. As a result, the adverse effect of the slide member 19 coming off from the guide groove 11, for example, due to the trouble of returning the slide member 19 to the guide groove 11 or when the slide member 19 is caught by the lower end of the vertical frame 7 when the slide member 19 is pulled up. Generation of harmful effects such as breakage of the shield 16 can be prevented.

  Further, since the stopper 20 is detachably attached to the vertical frame 7 via the attachment member 12, the stopper 20 can be removed after the operation of the shield 16 is confirmed. For example, when the mortar is poured, the stopper 20 It is possible to prevent the work efficiency from being lowered when the floor portion of the hall entrance 2 is produced without being obstructed.

Embodiment 2. FIG.
FIG. 7 is a cross-sectional plan view of an essential part showing an elevator landing doorway apparatus according to Embodiment 2 of the present invention. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 7, and FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. In the figure, the stopper 31 is detachably attached to the inner surface of the connecting portion 12c. Further, the stopper 31 is disposed at the lower part of each vertical frame 7. Further, the stopper 31 has a vertical portion 31a extending along the inner surface of the connecting portion 12c, and a horizontal portion 31b extending horizontally from the lower end portion of the vertical portion 31a to the inner side in the frontage direction. That is, the stopper 31 has an L-shaped vertical section (FIG. 8). The vertical portion 31a is fastened to the connecting portion 12c by a bolt (not shown). In addition, the height of the upper surface of the horizontal portion 31 b is the same as the height of the lower end surface of the vertical frame 7. Other configurations are the same as those in the first embodiment.

  Even in such an elevator hall entrance / exit device, the slide member 19 can be prevented from coming off from the guide groove 11 as in the first embodiment. For example, when the shield 16 is wound, the slide member 19 Generation | occurrence | production of bad effects, such as being caught by the lower end part of the vertical frame 7, and the shielding body 16 being torn, can be prevented.

Embodiment 3 FIG.
FIG. 10 is a plan view of an essential part showing an elevator hall entrance / exit device according to Embodiment 3 of the present invention. 11 is a cross-sectional view taken along line XI-XI in FIG. 10, and FIG. 12 is a cross-sectional view taken along line XII-XII in FIG. In the figure, the stopper 35 has a vertical portion 35a extending along the outer surface of the connecting portion 12c, and a horizontal portion 35b extending horizontally inward from the lower end portion of the vertical portion 35a. That is, the stopper 35 has an L-shaped vertical section (FIG. 11). The vertical portion 35a is fastened to the connecting portion 12c by a bolt (not shown). In addition, the height of the upper surface of the horizontal portion 35 b is the same as the height of the lower end surface of the vertical frame 7. Other configurations are the same as those in the first embodiment. Even if it does in this way, the effect similar to the said Embodiment 1 can be acquired.

Embodiment 4 FIG.
FIG. 13 is a longitudinal sectional view showing an elevator landing doorway apparatus according to Embodiment 4 of the present invention. In the figure, the height of the lower end surface of each vertical frame 7 is the same as the floor level. Further, when the floor portion of the landing doorway 2 is produced, a solid member such as marble is spread in the space portion 13 so that the height of the upper surface of the floor portion of the landing doorway 2 becomes the floor level.

  FIG. 14 is a principal cross-sectional plan view showing the elevator entrance / exit device of FIG. 13. 15 is a cross-sectional view taken along line XV-XV in FIG. 14, and FIG. 16 is a cross-sectional view taken along line XVI-XVI in FIG. In the drawing, both end portions of the slide member 41 are slidably inserted into the guide groove 11. Further, the slide member 41 has a slide member main body 41a extending in the horizontal direction and a pair of extending portions 41b extending from the upper portions of both ends of the slide member main body 41a outward in the frontage direction (FIG. 15).

  A stopper 42 is detachably attached to the inner surface of the connecting portion 12c. The stopper 42 has a vertical portion 42a extending along the connecting portion 12c, and a horizontal portion 42b extending horizontally inward from the lower end portion of the vertical portion 42a in the frontage direction. The vertical portion 42a is fastened to the connecting portion 12c with a bolt. The horizontal part 42b is arranged at a position higher than the floor level. The lower surface of the extending portion 41b can come into contact with the upper surface of the horizontal portion 42b. The height of the lower surface of the slide member main body 41a is the same as the floor level when the extending portion 41b is in contact with the horizontal portion 42b. Other configurations are the same as those of the second embodiment.

  In such an elevator hall entrance / exit device, when the stopper 42 is disposed at a position higher than the floor level and the extension portion 41b is in contact with the stopper 42, the height of the lower surface of the slide member body 41a is the floor level. Therefore, even when the stopper 42 is attached to the attachment member 12, the stopper 42 does not get in the way when the floor portion of the landing entrance 2 is manufactured, and a reduction in work efficiency is prevented. can do. Further, the lower surface of the slide member 41 can be displaced up to the height of the upper surface of the floor portion of the hall entrance 2, and the hall entrance 2 can be more reliably closed by the shield 16.

Embodiment 5 FIG.
FIG. 17 is a plan sectional view showing an elevator landing doorway apparatus according to Embodiment 5 of the present invention. 18 is a cross-sectional view taken along line XVIII-XVIII in FIG. 17, and FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG. In the figure, the stopper 51 includes a plate-like horizontal portion 51a extending in the horizontal direction between the vertical frames 7, and a pair of vertical portions 51b extending upward from the both ends of the horizontal portion 51a along the outer surface of each connecting portion 12c. have. The vertical portion 51b is attached to the connecting portion 12c with a bolt. That is, the stopper 51 is detachably connected between the vertical frames 7.

  The downward displacement of the slide member 19 is regulated by the position of the horizontal portion 51a. Thereby, the slide member 19 is prevented from coming off from the lower end of the guide groove 11. Other configurations are the same as those of the third embodiment.

  In such an elevator hall entrance / exit device, since the stopper 51 is connected between the vertical frames 7, when the three-side frame 10 is transported from the factory, the stopper 51 is attached to the vertical frame 7, thereby The shape can be stabilized and the deformation of the three-way frame 10 can be prevented. Therefore, transportation of the three-way frame 10 can be facilitated.

  In the above example, the vertical portion 51b is attached to the outer surface of the connecting portion 12c, but the vertical portion 51b may be attached to the inner surface of the connecting portion 12c.

  In the above example, the lower end surface of each vertical frame 7 is positioned lower than the floor level, but the height of the lower end surface of each vertical frame 7 may be the same as the floor level.

  Moreover, in each said embodiment, although the stopper is attached with respect to the vertical frame 7, it may be attached with an adhesive etc. so that a stopper cannot be removed with respect to the vertical frame 7, for example.

  Moreover, in each said embodiment, although a flame-retardant sheet | seat is used as the shielding body 16, you may use metal shutters as a shielding body.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing an elevator hall entrance / exit device according to Embodiment 1 of the present invention; It is sectional drawing along the II-II line of FIG. It is a longitudinal cross-sectional view which shows the state by which the weight board and slide member of FIG. 1 were attached to the shield. It is an enlarged view which shows the IV section of FIG. It is sectional drawing along the VV line of FIG. It is sectional drawing along the VI-VI line of FIG. It is a principal part plane sectional view which shows the elevator landing doorway apparatus by Embodiment 2 of this invention. It is sectional drawing along the VIII-VIII line of FIG. It is sectional drawing along the IX-IX line of FIG. It is a principal part top view which shows the elevator landing doorway apparatus by Embodiment 3 of this invention. It is sectional drawing along the XI-XI line of FIG. It is sectional drawing along the XII-XII line of FIG. It is a longitudinal cross-sectional view which shows the elevator doorway apparatus by Embodiment 4 of this invention. It is a principal part plane sectional view which shows the hall entrance / exit device of the elevator of FIG. It is sectional drawing along the XV-XV line | wire of FIG. It is sectional drawing along the XVI-XVI line of FIG. It is a plane sectional view showing an elevator hall entrance / exit device according to Embodiment 5 of the present invention. It is sectional drawing along the XVIII-XVIII line of FIG. It is sectional drawing along the XIX-XIX line of FIG.

Explanation of symbols

  2 landing entrance, 7 vertical frame, 11 guide groove, 16 shield, 19, 41 slide member, 20, 31, 35, 42, 51 stopper, 41a slide member main body, 41b extension part.

Claims (3)

A vertical frame provided at the side of the landing doorway and provided with a guide groove extending in the vertical direction,
A shield that is displaceable between a closed position that closes the landing doorway and an open position that opens the landing doorway;
A slide member provided at a lower end portion of the shield body and sliding along the guide groove when the shield body is displaced; and a slide member provided at a lower portion of the vertical frame and extending from the lower end portion of the guide groove. It has a stopper that prevents it from coming off ,
The stopper is arranged at a position higher than the height of the landing floor,
The slide member has a slide member main body, and an extending portion that extends from the slide member main body and contacts the stopper.
The elevator entrance / exit device according to claim 1, wherein a height of a lower end portion of the slide member main body is the same as a height of the landing floor when the extending portion is in contact with the stopper . A vertical frame provided at the side of the landing doorway and provided with a guide groove extending in the vertical direction,
A shield that is displaceable between a closed position that closes the landing doorway and an open position that opens the landing doorway;
A slide member provided at a lower end portion of the shield, and sliding along the guide groove when the shield is displaced; and
A stopper provided at the lower part of the vertical frame to prevent the slide member from coming off from the lower end of the guide groove.
With
The elevator hall entrance / exit device characterized in that the stopper is connected between the vertical frames. The elevator entrance / exit device according to claim 1 or 2 , wherein the stopper is detachable from the vertical frame.

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