JP2010184755A - Landing hall unit of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a landing hall unit of an elevator for easily performing installation work. <P>SOLUTION: A jamb 7 is arranged inside a hoistway communicating port 4 for communicating the inside of a hoistway 1 with a landing hall 2. The jamb 7 has a pair of vertical frames 12 forming the side edge of the landing hall doorway 6, and an upper frame 13 fixed between upper end parts of the respective vertical frames 12 and forming the upper side of the landing hall doorway 6. The upper frame 13 is provided with a hanger case 8 having a door rail 15 arranged in the frontage direction of the landing hall doorway 6. The landing hall doorway 6 is opened and closed by a landing door 9 moved along the door rail 15. A reinforcing member 10 for holding an interval between the respective vertical frames 12, is detachably installed between the respective vertical frames 12. The reinforcing member 10 is formed in a dimension shorter than a dimension in the frontage direction of the hoistway communicating port 4. A holding means 11 for holding the landing door 9 is installed in a position for closing the landing hall doorway 6 in at least any of the vertical frames 12 and the reinforcing member 10. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to an elevator hall unit that has a three-way frame that forms an elevator hall entrance and that is installed between a hall and a hoistway.

  In general, an elevator entrance / exit is formed by a three-way frame. The three-way frame is installed inside the hoistway communication opening provided on the building wall that partitions the landing and the hoistway. On the upper part of the three-way frame, a hanger case having a dimension longer than the opening dimension of the hoistway communication opening is attached along the opening direction of the landing entrance. The hanger case is hung with a pair of landing doors that open and close the landing doorway by moving toward the front doorway. In the lower part of the three-way frame, a landing sill that is longer than the opening dimension of the hoistway connection opening is arranged along the moving direction of the doors of each landing.

  Conventionally, in order to improve the efficiency of installation work, it has been proposed to assemble a three-sided frame, a hanger case, doors of landings, and landing thresholds in advance as a landing unit before transporting to the installation site. After the landing unit is carried into the hoistway from the landing, the landing unit is installed in accordance with the position of the hoistway communication port from the hoistway (see Patent Document 1).

JP-A-10-310354

  The conventional elevator landing unit as described above incorporates both a hanger case and a landing sill that are longer than the opening dimension of the hoistway communication opening, so when loading the landing unit from the landing into the hoistway As a result, the hanger case and the landing threshold become an obstacle, and it takes time to carry the entire landing unit into the hoistway. That is, even if the hanger case can be carried from the landing to the hoistway while being inclined with respect to the hoistway communication port, the landing sill is caught on the building wall, and the entire landing unit is moved from the landing to the hoistway. It cannot be carried in smoothly.

  The present invention has been made to solve the above-described problems, and an object thereof is to obtain an elevator landing unit that can facilitate installation work.

  The elevator landing unit according to the present invention includes a pair of vertical frames that form the sides of the landing doorway, and an upper frame that is fixed between the upper ends of the vertical frames and forms the upper side of the landing doorway. There are three-sided frames arranged inside the hoistway communication port that communicates between the road and the hall, door rails arranged along the entrance direction of the hall entrance, and hanger cases and door rails provided on the upper frame. The platform door that opens and closes the landing doorway by moving along, the dimension is shorter than the dimension in the frontage direction of the hoistway communication opening, is detachably attached between the vertical frames, and the interval between the vertical frames A holding member that holds the landing door at a position that closes the landing doorway and that is attached to at least one of the reinforcing member to be held and the vertical frame and the reinforcing member is provided.

  In the elevator landing unit according to the present invention, a reinforcing member having a dimension shorter than the dimension in the frontage direction of the hoistway communication opening is detachably attached between the vertical frames, and the landing door is located at a position where the landing doorway is closed. Since it is held by the holding means, in the landing unit, the part having a dimension larger than the dimension in the frontage direction of the hoistway communication opening can be made only the hanger case part. Therefore, as long as the part of the hanger case is carried into the hoistway from the landing, the remaining part of the landing unit can be smoothly carried into the hoistway and the installation work of the landing unit can be facilitated. .

It is a front view which shows the state in which the elevator landing unit by Embodiment 1 of this invention is installed between the landing and the hoistway. It is sectional drawing along the II-II line of FIG. It is a side view which shows the boarding unit of FIG. It is an enlarged view which shows the lower part of the landing unit 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 sectional drawing along the VII-VII line of FIG. It is a top view which shows the lower holding | maintenance metal fitting of FIG. It is a front view which shows the lower holding | maintenance metal fitting of FIG.

Embodiment 1 FIG.
FIG. 1 is a front view showing a state in which an elevator landing unit according to Embodiment 1 of the present invention is installed between a landing and a hoistway. 2 is a cross-sectional view taken along line II-II in FIG. Further, FIG. 3 is a side view showing the landing unit of FIG. FIG. 1 is a front view showing the landing unit when viewed from within the hoistway. In the figure, a building wall 3 that partitions the hoistway 1 and the elevator hall 2 is provided with a hoistway communication port 4 that communicates the hoistway 1 and the hall 2. The car and the counterweight are moved up and down in the hoistway 1. The landing unit 5 is arranged according to the position of the hoistway communication port 4.

  The landing unit 5 includes a three-sided frame 7 that forms a landing doorway 6, a hanger case 8 attached to the upper part of the three-way frame 7, and a pair of landing doors 9 that are hung on the hanger case 8 and open and close the landing doorway 6. The reinforcing member 10 that reinforces the three-way frame 7 and the holding means 11 that holds the door 9 of each landing at a position where the landing entrance 6 is closed.

  The three-way frame 7 is disposed inside the hoistway communication port 4. A predetermined gap is interposed between the hoistway communication port 4 and the three-way frame 7. The three-way frame 7 has a pair of vertical frames 12 that form the sides of the hall entrance 6 and an upper frame 13 that is fixed between the upper ends of the vertical frames 12 and forms the upper side of the hall entrance 6. ing.

  The hanger case 8 is fixed to the upper frame 13. The hanger case 8 includes a hanger case main body 14 and a door rail 15 that is provided on the hanger case main body 14 and is arranged along the frontage direction of the landing entrance 6. The length of the hanger case 8 is longer than the dimension in the opening direction of the hoistway communication port 4.

  Each landing door 9 includes a door panel 16, a roller hanger 17 attached to the upper end of the door panel 16 and hung on the door rail 15, and a plurality of door legs 18 attached to the lower end of the door panel 16. Yes. The roller hanger 17 has a hanger member 19 fixed to the door panel 16 and a plurality of hanger rollers 20 provided on the hanger member 19 and rolled on the door rail 15.

  Each landing door 9 is moved along the door rail 15 as each hanger roller 20 rolls on the door rail 15. Therefore, the range in which the door 9 of each landing is movable is within the range of the length of the door rail 15. The landing entrance 6 is opened and closed when the door 9 of each landing is moved along the door rail 15.

  The reinforcing member 10 is a rod-shaped member having an L-shaped cross section. The reinforcing member 10 is detachably attached between the lower ends of the vertical frames 12. In this example, the reinforcing member 10 is attached to the surface on the landing 2 side of each vertical frame 12 with a plurality of screws (not shown). As shown in FIGS. 2 and 3, the reinforcing member 10 is disposed on the landing 2 side with respect to the door 9 of each landing. The interval between the vertical frames 12 is maintained by attaching the reinforcing member 10 between the vertical frames 12.

  The reinforcing member 10 is arranged along the frontage direction of the hall entrance 6. The length of the reinforcing member 10 is shorter than the dimension in the opening direction of the hoistway communication port 4. In this example, the length of the reinforcing member 10 is the same as the length of the upper frame 13.

  The holding means 11 includes a plurality of side holding brackets (side holding members) 21 attached between the door opening side end of the landing door 9 and the vertical frame 12, and the lower end of the landing door 9 and the reinforcing member 10. And a plurality of lower holding metal fittings (lower holding members) 22 attached thereto.

  FIG. 4 is an enlarged view showing a lower portion of the landing unit 5 of FIG. FIG. 5 is a cross-sectional view taken along the line VV in FIG. In the figure, the side holding metal fitting 21 is produced by bending a metal plate-like member. Moreover, the side part holding | maintenance metal fitting 21 is attached to the vertical frame 12 from the outer side of the three-way frame 7 about the frontage direction of the hall entrance / exit 6, and is attached to the door opening side edge part of the door 9 of a hall. Further, the side holding bracket 21 is attached between the door panel 16 and the vertical frame 12 when the landing door 9 is in a position to close the landing entrance 6. The landing door 9 is held at a position where the landing doorway 6 is closed by attaching the side holding bracket 21 between the door panel 16 and the vertical frame 12.

  A through hole 23 is provided in one end portion of the side holding metal fitting 21, and a notch portion 24 that is partially opened is provided in the other end portion of the side holding metal fitting 21. In this example, the notch 24 is provided in the side holding metal fitting 21 along the circumferential direction centering on the through hole 23.

  A tapping screw (first fastening member) 25 that is screwed into the side portion of the door panel 16 is passed through the through hole 23. A fitting mounting bolt (second fastening member) 27 that is screwed into a fixing nut 26 fixed to the inside of the vertical frame 12 is passed through the notch 24.

  As shown in FIG. 4, the side holding metal fitting 21 is arranged with the open portion of the notch 24 facing downward. Further, the side holding metal fitting 21 is attached to the door panel 16 by being tightened with a tapping screw 25. Further, the side holding metal fitting 21 is attached to the vertical frame 12 by being clamped between the metal fitting bolt 27 and the fixing nut 26.

  The side holding metal fitting 21 can be rotated around the tapping screw 25 by loosening the fastening of the tapping screw 25 and the metal mounting bolt 27. Further, the state in which the metal mounting bolt 27 is passed through the notch 24 is released by the rotation of the side holding metal 21 around the tapping screw 25.

  FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. FIG. 7 is a sectional view taken along line VII-VII in FIG. 6 is also a cross-sectional view taken along the line VI-VI in FIG. In the figure, the lower holding bracket 22 is attached between the lower end of the landing door 9 and the vertical frame 12 when the landing door 9 is in a position to close the landing doorway 6. The landing door 9 is held at a position where the landing doorway 6 is closed by attaching the lower holding bracket 22 between the lower end portion of the landing door 9 and the reinforcing member 10. The lower holding fitting 22 is arranged in accordance with the position of the door leg 18.

  The door leg 18 includes a mounting plate 28 that is superimposed on the door panel 16 and a shoe 29 that is fixed to the lower end of the mounting plate 28. The mounting plate 28 is overlaid on the surface of the door panel 16 on the hoistway 1 side. The mounting plate 28 is provided with a plurality of through holes 30 (FIG. 6).

  The lower holding bracket 22 includes a horizontal plate portion (first plate portion) 31 stacked on the reinforcing member 10 and a vertical plate portion (second plate portion) fixed vertically to the horizontal plate portion 31 and stacked on the mounting plate 28. 32). The horizontal plate portion 31 is disposed below the door panel 16. The vertical plate portion 32 is superimposed on the hoistway 1 side of the mounting plate 28.

  Here, FIG. 8 is a top view showing the lower holding fitting 22 of FIG. FIG. 9 is a front view showing the lower holding fitting 22 of FIG. The horizontal plate portion 31 is provided with an elongated hole 33 along the length direction of the reinforcing member 10. The vertical plate portion 32 is provided with the same number of sill holes 34 as the number of through holes 30. The small diameter portion of the daruma hole 34 projects from the large diameter portion in a direction parallel to the long diameter direction of the long hole 33 (the length direction of the reinforcing member 10).

  As shown in FIG. 6, the horizontal plate portion 31 is overlapped on the reinforcing member 10 at a position where the long hole 33 overlaps the through hole 35 provided in the reinforcing member 10. The vertical plate portion 32 is overlaid on the mounting plate 28 at a position where the daruma hole 34 overlaps the through hole 30.

  A fastening bolt (lower fastening member) 36 is passed through the elongated hole 33 and the through hole 35. A retaining nut 37 is screwed into the retaining bolt 36 passed through the elongated hole 33 and the through hole 35. The lower holding bracket 22 is attached to the reinforcing member 10 by fastening the horizontal plate portion 31 and the reinforcing member 10 between the fastening bolt 36 and the fastening nut 37. Thereby, the lower holding metal fitting 22 can be attached to and detached from the reinforcing member 10.

  A door leg mounting bolt (door leg fastening member) 37 is passed through the dart hole 34 and the through hole 30. The door leg mounting bolts 38 passed through the dart hole 34 and the through hole 30 are screwed into a fixing nut 39 fixed to the inside of the door panel 16. The lower holding bracket 22 and the door leg 18 are attached to the door panel 16 by fastening the vertical plate portion 32, the attachment plate 28, and the door panel 16 between the door leg attachment bolt 38 and the fixing nut 39.

  The attachment of the lower holding bracket 22 to the door panel 16 is made possible by passing the door leg mounting bolt 38 through the small diameter portion of the saddle hole 34. The lower holding bracket 22 can be removed from the door panel 16 by matching the position of the large diameter portion of the daruma hole 34 with the position of the leg mounting bolt 38 of the door.

  Next, the installation procedure of the landing unit 5 will be described. The landing unit 5 is assembled in advance at a factory or the like. At this time, the door 9 of each landing is held by the holding means 11 at a position where the landing entrance 6 is closed. Before installing the landing unit 5, a landing threshold is fixed to the lower part of the hoistway communication port 4.

  The landing sill is a member having a dimension that is longer than the dimension in the opening direction of the hoistway communication port 4. Therefore, after the landing threshold is carried into the hoistway 1 from the landing 2 through the hoistway communication port 4, the landing threshold is fixed from the hoistway 1 to the lower part of the hoistway communication port 4. The boarding sill is arranged along the frontage direction of the hoistway communication port 4.

  After fixing the landing threshold to the lower part of the hoistway communication port 4, the landing unit 5 is carried from the landing 2 into the hoistway 1 through the hoistway communication port 4. In order to carry the landing unit 5 into the hoistway 1, the hanger case 8 is first carried into the hoistway 1 while the landing unit 5 is inclined, and then the remaining portion of the landing unit 5 is carried into the hoistway 1.

  Thereafter, the leg 18 of each door is inserted into a sill groove provided in the landing sill, and the position and inclination of the landing unit 5 are adjusted. Thereafter, the hanger case 8 is fixed to the building wall 3 above the hoistway communication port 4.

  Thereafter, each of the tapping screw 25 and the metal mounting bolt 27 is loosened from the hall 2 with a tool such as a spanner, and the side holding metal 21 is rotated around the tapping screw 25. As a result, the side holding bracket 21 is detached from the bracket mounting bolt 27. Thereafter, the tapping screw 25, the bracket mounting bolt 27, and the side holding bracket 21 are removed from the landing door 9.

  Further, the fastening bolt 36 and the fastening nut 37 are removed from the landing 2 and the lower holding metal fitting 22 is removed from the reinforcing member 10. Thereby, the door 9 of each hall can be moved along the door rail 15.

  Thereafter, each screw is removed by the operation from the landing 2 and the reinforcing member 10 is removed from the vertical frame 12, and the fastening of the leg mounting bolt 38 of each door is loosened by the operation from within the hoistway 1, and each lower holding bracket 22 is placed on the landing. Remove from door 9. The lower holding bracket 22 loosens the door leg mounting bolt 38 and then shifts the lower holding bracket 22 with respect to the landing door 9 so that the position of the large diameter portion of the dart hole 34 is the position of the door leg mounting bolt 38. To remove from the landing door 9.

  Thereafter, the leg mounting bolt 38 of each door is retightened to fix the leg 18 of each door to the door panel 16. In this way, the landing unit 5 is installed between the hoistway 1 and the landing 2.

  In such an elevator hall unit 5, the reinforcing member 10, which is shorter than the dimension in the opening direction of the hoistway communication opening 4, is detachably attached between the vertical frames 12, and the landing doorway 6 is closed. Since the landing door 9 is held by the holding means 11, in the landing unit 5, the portion having a dimension larger than the dimension in the opening direction of the hoistway communication port 4 can be made only the hanger case 8 portion. Therefore, as long as the part of the hanger case 8 is carried into the hoistway 1 from the landing 2, the remaining part of the landing unit 5 can be smoothly carried into the hoistway 1, and installation work of the landing unit 5 can be performed. Can be easily.

  Further, the side holding bracket 21 is provided with a through hole 23 through which the tapping screw 25 is passed, and a notch 24 through which the bracket mounting bolt 27 is passed, and the side holding bracket with the tapping screw 25 as the center. Since the state in which the metal fitting mounting bolt 27 is passed through the notch 24 is released by the rotation of 21, the side holding metal 21 is not required even if the tapping screw 25 and the metal mounting bolt 27 are completely removed. The holding of the landing door 9 can be released. Further, even if the gap between the vertical frame 12 and the hoistway communication port 4 is narrow, the holding of the landing door 9 by the side holding bracket 21 can be easily released by the work from the landing 2.

  Further, the reinforcing member 10 is disposed on the landing 2 side of the landing door 9, and the lower holding bracket 22 is attached to the reinforcing member 10 and is attached to the lower end portion of the landing door 9. The holding metal fitting 22 can be easily detached from the reinforcing member 10. Thereby, holding | maintenance with respect to the three-way frame 7 of the door 9 of a landing can be cancelled | released easily.

  Further, the lower holding bracket 22 is provided with a dome hole 34, and the lower holding bracket 22 is attached to the door panel 16 together with the door leg 18 by a door leg mounting bolt 38 passed through the daruma hole 34. By simply shifting the holding bracket 22 with respect to the door panel 16, the lower holding bracket 22 can be easily attached to and detached from (attached to and removed from) the door panel 16. In addition, since the door legs 18 and the lower holding fittings 22 can be attached to the door panels 16 by the common door leg mounting bolts 38, an increase in the number of parts can be suppressed.

  In the above example, the side holding metal fitting 21 is made by bending a plate-like member, but it is not limited to this as long as it is a member that can be attached to each of the vertical frame 12 and the landing door 9.

  In the above example, the side holding metal fitting 21 is arranged with the open portion of the notch 24 facing downward, but the side holding metal fitting 21 is arranged with the open portion of the notch 24 facing upward. May be.

  In the above example, the tapping screw 25, the bracket mounting bolt 27, and the side holding bracket 21 are completely removed from the vertical frame 12 and the landing door 9, but the side holding bracket after being rotated is used. The side holding bracket 21 may be fixed to the door panel 16 by tightening 21 with the tapping screw 25.

  In the above example, the tapping screw 25 passed through the through hole 23 is attached to the landing door 9, and the metal fitting bolt 27 passed through the notch 24 is attached to the vertical frame 12. It is also possible to attach the tapping screw 25 passed through to the vertical frame 12 and attach the bracket mounting bolt 27 passed through the notch 24 to the landing door 9.

  In the above example, the side holding bracket 21 is attached to the landing door 9 with the tapping screw 25, but the side holding bracket 21 is attached to the landing door 9 with a normal screw or bolt. May be.

  Further, in the above example, the landing door 6 is held at the position where the landing doorway 6 is closed by the side holding bracket 21 and the lower holding bracket 22, but the side holding bracket 21 and the lower holding bracket 22 You may make it hold | maintain the door 9 of a landing in the position which closes the landing doorway 6 only by either. In this way, the number of parts can be reduced.

  DESCRIPTION OF SYMBOLS 1 Hoistway, 2 landing, 4 hoistway communication port, 5 landing unit, 6 landing doorway, 7 three-way frame, 8 hanger case, 9 landing door, 10 reinforcement member, 11 holding means, 12 vertical frame, 13 upper frame, 15 door rail, 16 door panel, 18 leg, 21 side holding bracket (side holding member), 22 lower holding bracket (lower holding member), 23 through hole, 24 notch, 25 tapping screw (first fastening) Members), 27 bracket mounting bolts, 34 dart holes, 38 leg mounting bolts.

Claims (4)

A pair of vertical frames that form the sides of the landing doorway, and an upper frame that is fixed between the upper ends of the vertical frames and forms the upper side of the landing doorway, between the inside of the hoistway and the landing A three-sided frame that is placed inside the hoistway communication port that communicates,
A hanger case provided on the upper frame, having a door rail arranged along the frontage direction of the landing doorway,
A landing door that opens and closes the landing doorway by being moved along the door rail,
Reinforcing members that are shorter than the dimensions in the frontage direction of the hoistway communication opening, are detachably attached between the vertical frames, and maintain a distance between the vertical frames, and the vertical frames and the reinforcing members An elevator hall unit comprising: holding means that is attached to at least one of the doors and holds the hall door at a position where the hall entrance is closed. The holding means includes a side holding member that is attached to the vertical frame from the outside of the three-sided frame with respect to the entrance direction of the landing doorway and is attached to a door opening side end of the landing door,
The side holding member is attached to one of the vertical frame and the landing door with a first fastening member, and is attached to the other of the vertical frame and the landing door with a second fastening member. And
The side holding member is provided with a through hole through which the first fastening member is passed, and a notch through which the second fastening member is passed,
The state in which the second fastening member is passed through the notch is configured to be released by rotation of the side holding member with the first fastening member as a center. 1 is an elevator landing unit. The reinforcing member is disposed on the landing side with respect to the landing door,
3. The elevator landing unit according to claim 1, wherein the holding means includes a lower holding member attached to the reinforcing member and attached to a lower end portion of the landing door. The landing door has a door panel and a door leg provided at the lower end of the door panel,
The lower holding member is provided with a daruma hole,
4. The elevator landing unit according to claim 3, wherein the lower holding member is attached to the door panel together with the door leg by a door leg fastening member passed through the boring hole.

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