JPWO2012025991A1 - Elevator car equipment - Google Patents

Abstract

Provided is an elevator car device that can easily realize a gap between a door panel and an entrance / exit peripheral wall portion in a desired state with high accuracy. The elevator car device (1) supports the door panel (3a, 3b) for opening and closing the doorway (23) to the car room (21), the drive mechanism (5) for opening and closing the door panel, and the door panel and the drive mechanism. A door frame (7). The door frame is an integrally formed frame including a support portion (17) supporting the door panel and the drive mechanism, and an upper plate portion (19) located above the entrance / exit.

Description

  The present invention relates to an elevator car apparatus.

  The elevator includes a car device that moves in a hoistway that extends vertically. A passenger car device usually has a strong car frame including a lower frame, at least a pair of left and right vertical frames, an upper frame, etc., and a floor, ceiling, front wall, left and right side walls, rear wall, etc. supported by the car frame. And a cab compartment member. The entrance to the cab is usually defined by a pair of left and right sleeve walls and an upper plate constituting the front wall.

  In addition, the car device includes a door device that opens and closes an entrance to the car room. As a door device, for example, there is a configuration disclosed in Patent Document 1, and a pair of left and right door panels that open and close the doorway, rails that slidably support the door panels in an opening and closing direction, and a pair of door panels that perform opening and closing operations. And a drive mechanism including a motor and the like. Usually, the pair of left and right door panels are supported by being suspended from rails, and the rail and the drive mechanism are supported by being attached to the above-described car frame.

  By the way, in the car apparatus as described above, a portion such as a sleeve wall and an upper plate that are provided so as not to move with respect to the doorway, and a pair of left and right door panels provided so as to open and close with respect to the doorway. Are arranged in a close relationship. For this reason, in the assembly work of the car apparatus, much time and labor have been spent adjusting the gap between the door panel and the entrance / exit peripheral wall portion such as the sleeve wall and the upper plate.

Japanese Patent Laid-Open No. 2001-187681

  The present invention has been made in view of the above, and it is an object of the present invention to provide an elevator car device that can realize a gap between a door panel and an entrance / exit peripheral wall portion in a desired state with high accuracy. And

  In order to achieve the above-described object, the present invention includes at least one door panel that opens and closes an entrance to a cab, a drive mechanism that opens and closes the door panel, and a door frame that supports the door panel and the drive mechanism. In addition, the elevator car apparatus is an integrally formed frame including a support portion that supports the door panel and the drive mechanism, and an upper plate portion that is located above the doorway.

  According to the elevator car apparatus of the present invention, the gap between the door panel and the entrance / exit peripheral wall can be easily realized in a desired state with high accuracy.

It is a figure which shows the passenger car apparatus when it sees from the boarding side. It is a longitudinal cross-sectional view which follows the II-II line | wire of FIG. It is a longitudinal cross-sectional view which follows the III-III line of FIG. It is a longitudinal cross-sectional view which follows the IV-IV line of FIG.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of an elevator car apparatus according to the present invention will be described below with reference to the accompanying drawings. In the drawings, the same reference numerals indicate the same or corresponding parts.

  FIG. 1 is a view showing a car device when viewed from the front side, that is, from the landing side. The elevator car apparatus 1 includes at least a pair of left and right door panels 3a and 3b, a drive mechanism 5, and a door frame 7 in addition to a car frame and a car room constituent member. The car apparatus of the present invention only needs to include at least one door panel, and the pair of left and right door panels are shown as an example.

  The pair of left and right door panels 3a and 3b open and close the entrance to the cab. The cab is configured in a well-known manner, that is, is configured by a cab component that includes a floor, a ceiling, a front wall, left and right side walls, a rear wall, and the like. The car chamber component is also supported in a known manner, that is, supported by a car frame including a lower frame, a pair of left and right vertical frames, an upper frame, and the like.

  The drive mechanism 5 opens and closes the door panels 3a and 3b. The drive mechanism 5 includes a drive source 9 such as a motor, a pair of left and right rotating bodies 11a and 11b, an endless circulating body 13, and door hangers 15a and 15b as many as the door panels.

  The door frame 7 supports the door panels 3 a and 3 b and the drive mechanism 5. The details of the door frame 7 will be described with reference to FIGS. 2, 3 and 4 are longitudinal sectional views taken along lines II-II, III-III and IV-IV in FIG. 1, respectively.

  The door frame 7 includes a support portion 17 and an upper plate portion 19. The support portion 17 is an upper portion of the door frame 7 and supports the door panels 3 a and 3 b and the drive mechanism 5. The upper plate portion 19 is a lower portion of the door frame 7 and is located above the entrance / exit 23 to the cab 21.

  The door frame 7 is a single-piece frame including a support portion 17 and an upper plate portion 19. That is, the support portion 17 and the upper plate portion 19 are not prepared and joined as separate members to form a door frame, but each occupies a corresponding portion of the integrally formed frame. Therefore, the door frame 7 of the present embodiment does not have a joint portion or a mating surface, and does not have a clear boundary between the support portion 17 and the upper plate portion 19. If such an integrally formed frame is made of metal, it can be obtained, for example, by bending or pressing. However, the door frame in the present invention is sufficient as long as it is configured as an integral product that does not require a joining process later, and is not limited to the illustrated processing method, and may be manufactured using any manufacturing method. Good.

  First, the drive source 9 is attached to the support part 17 in the door frame 7 in a suspended manner. More specifically, a portion extending horizontally toward the landing side (front) is formed on the uppermost portion of the support portion 17, and the drive source 9 is fastened with a bolt or the like on the lower surface of the horizontally extending portion. It is suspended by tools.

  The output shaft of the drive source 9 extends toward the opposite side (backward) from the landing, and the first rotating body 11a is attached to the output shaft. That is, the first rotating body 11 a is disposed between the drive source 9 and the support portion 17 in the door frame 7.

  As shown in FIG. 1, the first rotating body 11a is located above one sleeve wall 25a, and the second rotating body 11b is located above the other sleeve wall 25b. Yes. That is, the first rotating body 11a and the second rotating body 11b are greatly separated in the left-right direction. The second rotating body 11b is rotatably supported by the support portion 17 in the door frame 7. A circulating body 13 is wound around these rotating bodies 11a and 11b, and when the first rotating body 11a is rotated by the driving force of the driving source 9, the circulating body 13 is driven in a driven manner. Thus, the second rotating body 11b is driven and rotated.

  The pair of left and right door hangers 15 a and 15 b connect the corresponding door panels 3 a and 3 b to the circulation body 13. More specifically, the upper end portion of one door hanger 15a is connected to a portion of the circulation body 13 that extends relatively upward, and the lower end portion is connected to the upper end portion of one door panel 3a. . Similarly, the upper end portion of the other door hanger 15b is connected to a portion extending relatively lower in the circulation body 13, and the lower end portion is connected to the upper end portion of the other door panel 3b. Regardless of the direction in which the circulator 13 is rotated and circulated, a portion of the circulator 13 that extends relatively upward and a portion that extends downwardly proceed in opposite directions. With this configuration, the pair of left and right door panels 3a and 3b are driven so as to move toward or away from each other, that is, to perform an opening / closing operation. The door hanger 15a, 15b is suspended and fixed to the circulating body 13 by using an appropriate fixing metal 27 and fastener 29 as an example.

  In this way, the drive mechanism 5 is supported by the support portion 17 of the door frame 7, and the door panels 3 a and 3 b are supported with respect to the support portion 17 in an openable and closable manner.

  On the other hand, the upper plate portion 19 of the door frame 7 constitutes the front wall of the above-described cab compartment member together with the pair of left and right sleeve walls 25a and 25b. A sill 31 is provided below the sleeve walls 25a and 25b so as to extend to the left and right so as to connect the sleeve walls 25a and 25b. The lower portions of the door panels 3a and 3b are guided and supported by the sill 31. ing. The upper plate portion 19 in the door frame 7 defines an entrance / exit 23 in the cab 21 in cooperation with the pair of left and right sleeve walls 25 a and 25 b and the sill 31.

  Further, the door frame 7 includes a door rail portion 33 at least at an upper portion of the upper plate portion 19, that is, at a lower portion of the support portion 17. The door rail portion 33 has a convex shape facing the landing side. In this regard, each of the door panels 3a and 3b includes at least one pair of left and right hanger rollers 35a and 35b in the present embodiment, and at least one pair of left and right up thrust rollers 37a in the present embodiment. 37b is rotatably provided. The hanger rollers 35a and 35b and the up thrust rollers 37a and 37b are aligned vertically. Further, the hanger rollers 35a and 35b and the up thrust rollers 37a and 37b are separated from each other in the vertical direction, and the door rail portion 33 extends right and left between them. The door rail portion 33 has a rectangular protruding region in a longitudinal section viewed from the side, and thereby includes an upper support surface 33a and a lower support surface 33b extending substantially in parallel. The upper support surface 33a guides and supports the hanger rollers 35a and 35b, and the lower support surface 33b guides and supports the up thrust rollers 37a and 37b.

  As shown in FIGS. 2 to 4, the door frame 7 is fixed to a ceiling 39, which is a cab member, by an appropriate fastener 41. As an example, in the present embodiment, the lower support surface 33b is used as a horizontal plane, and the door frame 7 is overlapped with a horizontal surface extending from the lower support surface 33b and a portion of the ceiling 39 that also extends horizontally. The surfaces overlapped with each other are fixed by a fastener 41.

  According to the car device according to the present embodiment as described above, since the door frame is an integrally formed frame including the support portion and the upper plate portion, the gap Df between the door panel and the upper plate portion (FIG. 2). 3) can be set to a desired size with high accuracy and ease when the car is completed. In addition, since the support of the door panel and the drive mechanism and the securing of the upper plate above the entrance to the cab can be realized with a single member, the number of parts can be reduced and the associated cost reduction can be achieved. . In addition, as described above, it is possible to achieve a reduction in the installation time of the car device in combination with the ease of securing highly accurate dimensions and the reduction in the number of parts. In addition, when a door rail part with a convex shape facing the landing is formed on the support part of the door frame, there is no fear of misalignment between the rail function part and the frame function part and the trouble of alignment is further reduced. Thus, it is possible to facilitate the securing of high-precision dimensions, reduce costs, and shorten the installation time.

  Each door panel is provided with at least a pair of vertically separated hanger rollers and up thrust rollers so that the door rail portion of the door frame has a rectangular protruding region in a longitudinal section viewed from the side. If comprised, a door rail part can be provided with the upper surface which faces a hanger roller, and the lower surface which faces an up thrust roller, ie, it supports two types of rollers, although it is a part of integral molding frame. be able to.

  Further, since the door frame is fixed to the ceiling which is a part of the car room constituent member instead of the car frame, a door panel supported by the door frame and a sleeve wall which is another part of the car room constituent member The gap Dw (see FIGS. 2 and 3) can be easily set to a desired dimension with high accuracy.

  Although the contents of the present invention have been specifically described with reference to the preferred embodiments, various modifications can be made by those skilled in the art based on the basic technical idea and teachings of the present invention. It is self-explanatory.

  DESCRIPTION OF SYMBOLS 1 Car apparatus, 3a, 3b Door panel, 5 Drive mechanism, 7 Door frame, 17 Support part, 19 Upper plate part, 23 Entrance / exit, 33 Door rail part, 33a Upper support surface, 33b Lower support surface, 35a, 35b Hanger roller, 37a, 37b Up thrust roller, 39 Ceiling.

Claims (4)

At least one door panel that opens and closes the entrance to the cab;
A drive mechanism for opening and closing the door panel;
An elevator car apparatus comprising the door panel and a door frame that supports the drive mechanism,
The elevator car apparatus according to claim 1, wherein the door frame is an integrally formed frame including a support portion that supports the door panel and the drive mechanism, and an upper plate portion that is located above the doorway.   The elevator car apparatus according to claim 1, wherein the support portion includes a convex door rail portion facing the landing side. One door panel is provided with at least a pair of upper and lower hanger rollers and an up-thrust roller,
The door rail portion has a rectangular protruding region in a longitudinal section viewed from the side,
The elevator car apparatus according to claim 2.   The elevator car apparatus according to any one of claims 1 to 3, wherein the door frame is fixed to a ceiling of the cab.

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