JP5752448B2 - Elevator hall entrance / exit safety device - Google Patents

Description

  The present invention relates to a safety device for an elevator entrance / exit for an elevator for preventing a third party from entering the entrance / exit during maintenance of the entrance / exit, for example.

  A conventional elevator inspection work display device includes a rod-like body provided so as to pass between the vertical frames of the three-sided frames constituting the entrance and a display curtain provided on the rod-like body, and performs maintenance work related to the landing, for example. When doing so, the display screen is used to call attention to a third party at the hall (see, for example, Patent Document 1).

JP 2003-12251 A

  However, since the rod-shaped body is provided at the entrance / exit, a third party can enter without being restricted from moving to the entrance / exit, for example, when the landing door is open, There is a risk that dropped luggage will fall into the hoistway through the hall entrance.

  The present invention has been made to solve the above-described problem, and a third party is allowed to enter the entrance / exit by extending the proximity regulating portion from the support portion arranged at the entrance / exit to the side opposite to the hoistway. It aims at obtaining the safety device of the hall entrance / exit of the elevator to suppress.

The elevator entrance / exit safety device of the present invention includes a support portion provided and held in the elevator entrance / exit of the elevator, and a proximity restricting portion extending from the support portion toward the opposite side of the hoistway, The support portion includes a telescopic support main body portion, mounting and holding means for urging the support main body portion in a direction in which the support main body portion extends, a pressing piece abutting on a closing end portion of the door panel that opens and closes the landing doorway, and a hoistway in the door panel And a movement restricting piece that is in contact with the opposite surface, and the mounting and holding means urges the support main body in the direction in which the support main body is extended, thereby abutting against the end of the door panel in the closing direction and keeping the door panel open. To be provided.

  According to the elevator entrance / exit safety device according to the present invention, since the proximity restricting portion protrudes from the entrance / exit to the side away from the hoistway, an effect of suppressing entry of a third party into the entrance / exit is obtained. .

It is a perspective view of the safety device of the elevator entrance / exit according to one embodiment of this invention. It is the side view seen from the A direction of FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view around an elevator hall in which an elevator hall entrance / exit safety device according to an embodiment of the present invention is provided at a hall entrance / exit. FIG. 4 is a cross-sectional view taken along arrow IV-IV in FIG. 3.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of a safety device for an elevator hall entrance / exit according to an embodiment of the present invention, and FIG. 2 is a side view as seen from the direction A in FIG.

  1 and 2, an elevator entrance / exit safety device 1 (hereinafter referred to as a landing entrance / exit safety device 1) includes a pair of support portions 2 and a pair of connection means 10 for connecting the pair of support portions 2. As a pair of proximity restriction portions 15 extending from the support portion 2, a display member attachment means 18 supported by the proximity restriction portion 15, and a display member supported by the proximity restriction portion 15 via the display member attachment means 18 Display screen 20.

  Each support portion 2 includes a long support main body portion 4 configured to be extendable and retractable, and a telescopic body 3 having a spring as a mounting and holding means (not shown) that urges the support main body portion 4 in a direction in which the support main body portion 4 extends. And an engaging portion 6 fixed to both ends of the portion 4. The stretchable body 3 has the same configuration as the rod-shaped body described in Patent Document 1 as will be described below.

  The support body 4 is composed of a pair of bottomed cylindrical bodies 4a and 4b each having a bottom portion that closes an opening on one end side. The pair of bottomed cylindrical bodies 4a and 4b have slightly different diameters, the inner wall surfaces of the bottom portions are opposed to each other, and the opening sides are fitted to each other.

  Moreover, the spring is provided between the inner wall surfaces of the bottom part of a pair of bottomed cylindrical bodies 4a and 4b. The support main body 4 is shortened by pushing the pair of bottomed cylindrical bodies 4a and 4b against each other against the elastic force of the spring so that the overlapping of the cylindrical parts is increased, and the original is obtained by releasing the pushing force. It is supposed to return to the length of. That is, the support main body portion 4 can change the length between both ends.

  In addition, the length of the support main body part 4 when releasing the pushing force is longer than the width in the entrance direction of the elevator entrance and exit described later. That is, when the length of the support main body 4 is the same as the width in the entrance direction of the entrance / exit, the elastic force of the spring is biased in the direction of extending the support main body 4 with a predetermined force. It is provided between the bottoms of the opposed bottomed cylindrical bodies 4a and 4b.

  Moreover, the engaging part 6 is formed in the L shape which consists of the press piece 6a and the movement control piece 6b which mutually orthogonally cross. A pair of engaging portions 6 are fixed to both ends of the support main body 4 so that the tips of the movement restricting pieces 6 b are directed in opposite directions and the pressing pieces 6 a are opposed to each other via the support main body 4.

The connecting means 10 includes three connecting arms 11a to 11c and a universal joint 12 as an arm connecting member that connects the connecting arms 11a to 11c with each other.
Here, let the thing arrange | positioned in the middle of the three connection arms 11a-11c be the connection arm 11b. The angle between the connecting arm 11b disposed in the middle, the connecting arm 11a connected to one end of the connecting arm 11b via the universal joint 12, and the connecting arm 11b, the other end of the connecting arm 11b, and the universal joint 12 Each of the angles between the connecting arms 11c connected via the can be arbitrarily changed.

  Moreover, it is possible to hold | maintain the state of the connection arms 11a-11c which adjusted the angle between each other arbitrarily by the 1st holding means which is not shown in figure. The universal joint 12 that connects the two connecting arms has a portion connected to one connecting arm and a portion connected to the other connecting arm. The first holding means is, for example, a pin that removably penetrates both a portion of a universal joint that is connected to one connection arm and a portion of a universal joint that is connected to the other connection arm.

The proximity restriction unit 15 includes three restriction arms 16a to 16c and a universal joint 17 that connects the restriction arms 16a to 16c to each other.
Here, the one arranged in the middle of the three restriction arms 16a to 16c is defined as a restriction arm 16b. The angle between the middle restricting arm 16b and the restricting arm 16a connected to one end of the restricting arm 16b via the universal joint 17, and the other end of the restricting arm 16b and restricting arm 16b and the universal joint 17 connected to each other. Each of the angles between the control arm 16c to be controlled can be arbitrarily changed.

  Moreover, it is possible to hold | maintain the state of the control arms 16a-16c which adjusted the angle between each other arbitrarily by the 2nd holding means which is not shown in figure. The universal joint 17 that connects the two restriction arms has a portion that is connected to one restriction arm and a portion that is connected to the other restriction arm. The second holding means is, for example, a pin that removably penetrates both a universal joint connected to one restriction arm and a universal joint connected to the other restriction arm.

  The display member attaching means 18 is produced in the shape of a long bar.

  Although the material of the display curtain 20 is not particularly limited, it is a curtain made of cloth, vinyl or the like, and a character such as “prohibition of intrusion” is attached to one surface thereof.

  The support part 2, the connecting means 10, the proximity restricting part 15, the display member attaching means 18, and the display curtain 20 having the above configuration are integrated as follows.

The pair of support parts 2 are arranged with the support body parts 4 parallel to each other.
A pair of connection means 10 are provided so as to connect the pair of support body parts 4 apart from each other in the longitudinal direction of the support body part 4. At this time, in each connection means 10, the distal ends of the connection arms 11 a and 11 c connected to both sides of the connection arm 11 b via the universal joint 12 are fixed to the support main body 4. Further, when the three connecting arms 11 a to 11 c are arranged in a straight line, the longitudinal direction of the connecting means 10 coincides with the direction orthogonal to the longitudinal direction of the support main body portion 4.

  In addition, a pair of proximity restriction portions 15 are provided on the support main body portion 4 of one support portion 2 so as to be spaced apart from each other in the longitudinal direction of the support main body portion 4. At this time, each proximity restriction portion 15 is connected to the support main body portion 4 by fixing the end portion of the restriction arm 16 a connected to one side of the restriction arm 16 b to the support main body portion 4. One proximity regulating portion 15 is provided in one bottomed cylindrical body 4a, and the other proximity regulating portion 15 is provided in the other bottomed cylindrical body 4b.

The connecting means 10 and the proximity restricting portion 15 are fixed to the support main body portion 4 so that the longitudinal directions of the restriction arm 16a fixed to the support main body portion 4 and the connecting arm 11a are orthogonal to each other.
Further, when the three restriction arms 16a to 16c of the proximity restriction part are arranged in a straight line, the direction from the proximal end to the distal end of the proximity restriction part 15 is opposite to the direction from the proximal end to the distal end of the pressing piece 6a. In this way, the proximity regulating portion 15 and the support main body portion 4 are connected.

Next, the area around the elevator hall where the safety device 1 at the hall entrance is installed will be described.
FIG. 3 is a perspective view around an elevator hall provided with a safety device for an elevator hall entrance and exit according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line IV-IV in FIG.
A landing doorway 33 that opens to the hoistway 32 is formed in the elevator hall 30. In addition, a three-sided frame 35 constituting both side edges and an upper edge of the hall entrance 33 is provided.
The three-way frame 35 includes a vertical frame 35 a that forms the side edge of the hall entrance 33, and an upper frame 35 b that connects the upper ends of the vertical frame 35 a and forms the upper edge of the hall entrance 33.

  A landing door 40 is provided so that the landing doorway 33 can be opened and closed. As shown in FIG. 4, the landing door 40 is a horizontally pulling double door type, and includes a pair of door panels 41 that move in different directions.

Next, the installation state of the safety device 1 at the hall entrance to the hall 30 will be described.
A pair of support parts 2 connected via the connection means 10 are held between the door-end ends of the pair of door panels 41 in the open state.

  At this time, the pair of support portions 2 are spaced apart from each other in the height direction with the longitudinal direction of the support main body portion 4 constituting the stretchable body 3 being aligned with the opening direction of the landing entrance 33. For example, the height positions of the pair of support portions 2 are, for example, in the vicinity of the mouth of an average tall person and at the height positions of the base of the foot.

  Then, as shown in FIG. 4, each of the pair of support portions 2 is held by the door panel 41 with the pair of engaging portions 6 engaged with the ends of the pair of door panels 41 in the closing direction. At this time, since the spring contracted on the support main body portion 4 biases the support main body portion 4 in a direction in which the support main body portion 4 extends, the stretchable body 3 moves the pair of door panels 41 opposite to each other at both ends of the support main body portion 4. Press and hold the door panel 41 in the fully open state.

  In addition, each engaging portion 6 is arranged such that the pressing piece 6a is pressed against the end surface of the door panel 41 in the closing direction, and the movement regulating piece 6b is in contact with the design surface of the door panel 41 (the surface opposite to the hoistway 32). Has been. Thereby, even if the support part 2 is pressed by the hoistway 32 side, the movement to the hoistway 32 side is controlled by the door panel 41. To summarize the above, each support portion 2 is disposed between the door panels 41 so as to pass both edge portions facing each other in the entrance direction of the landing entrance 33. At this time, the door panel 41 is maintained in a state in which the hall entrance 33 is fully opened by each support portion 2.

  Further, the pair of proximity restricting portions 15 extend from the support portion 2 toward the side opposite to the hoistway 32. For example, in the pair of proximity restriction portions 15, the postures of the restriction arms 16 a to 16 c are held by the second holding means in a state where the restriction arms 16 a to 16 c are arranged in a straight line.

Further, the display member mounting means 18 is fixed to the respective distal ends of the pair of proximity restricting portions 15 in the vicinity of one end and the other end.
The display curtain 20 is attached to the display member attachment means 18 so that one surface of the display curtain 20 is hung down toward the side opposite to the hoistway 32.
On one side of the display screen 20, a notation such as “prohibition of intrusion” is made to prevent a third party from entering the hall entrance 33.

  Therefore, according to the safety device 1 at the hall entrance / exit, since the proximity restricting portion 15 protrudes from the hall entrance / exit 33 on the side away from the hoistway, a third party at the hall 30 is prevented from approaching the hall entrance / exit 33. it can. Furthermore, since the display curtain 20 with a notation for preventing a third party from entering the landing entrance 33 is supported by the proximity restriction unit 15 and hung down, the third party can enter the landing entrance 33. Intrusion can be further suppressed.

  Further, when removing the safety device 1 at the hall entrance / exit, the support main body portion 4 is contracted, and the elastic body 3 can be easily detached from the door panel 41 by releasing the force pressing the door panel 41. . Moreover, since each of the proximity control part 15 and the connection means 10 can be folded, the safety device 1 at the entrance / exit can be transformed into a compact shape. This makes it easy to carry the safety device 1 at the entrance / exit and reduces the space required for storing the safety device.

  When it is necessary to perform maintenance and inspection of the landing 30 with the pair of door panels 41 open, the support portion 2 is provided between the pair of door panels 41 constituting the landing door 40 so that the door panel 41 is opened. By doing so, since the support part 2 also serves as an open state maintaining means for the door panel 41, it is not necessary to prepare an open state maintaining means for the door panel 41 separately from the safety device 1 at the landing entrance.

  In the above-described embodiment, the support portion 2 has been described as being configured by the stretchable body 3 and the engagement portion 6 that are configured to be stretchable. However, the support portion 2 is not limited to this, and the landing doorway For example, it may be configured by a block-shaped base portion and a fixing means for fixing the base portion to the landing entrance 33. In this case, a part of the base part may be configured to extend from the landing entrance 33 to the side opposite to the hoistway 32, and the base part may be configured to also serve as a part of the proximity restriction part.

  Moreover, although demonstrated as what attaches the support part 2 between a pair of door panels 41, for example, the support part 2 attaches each of the one end and the other end of the support main-body part 4 to each of a pair of vertical frame 35a of the three-way frame 35. You may arrange | position so that it may press and may provide in the three-way frame 35. FIG.

  Moreover, although demonstrated as what provides the support part 2 in a pair, it may be one or may be three or more. Moreover, it is not limited to what is connected by the connection means 10 between the support parts 2, It does not need to be connected.

  Moreover, although the connection means 10 and the proximity | contact control part 15 were demonstrated as what connects the some connection arms 11a-11c and the control arms 16a-16c to each other by the universal joints 12 and 17 and can be folded, it is not necessarily collapsible. It is not necessary to comprise, for example, you may comprise by the rod which consists of one member. Further, the number of the connecting arms 11a to 11c and the restricting arms 16a to 16c is not limited to three, and a plurality of connecting arms 11a to 11c and restricting arms 16a to 16c other than three may be connected freely.

  Further, the arm connecting member has been described as being a universal joint 12. However, for example, a pair of connecting arms can be pivotably connected to each other around the same axis, and the angle between the pair of connecting arms can be adjusted. You may make it.

Further, the connecting means 10 and the proximity restricting portion 15 may be, for example, plate-shaped or block-shaped.
Further, the display member has been described as being the display curtain 20, but is not limited to being limited to the display curtain 20. For example, a plate-like member may be used.

  DESCRIPTION OF SYMBOLS 1 Safety device of elevator entrance / exit, 2 Support part, 15 Proximity restriction part, 16a-16c Restriction arm, 20 Display member, 30 landing, 33 landing entrance / exit, 41 Door panel

Claims (3)

A support part held at the elevator doorway;
A proximity restriction portion extending from the support portion toward the opposite side of the hoistway,
The support portion includes a telescopic support main body portion, attachment holding means for biasing the support main body portion in a direction in which the support main body portion extends, a pressing piece in contact with a closing direction end portion of a door panel that opens and closes the landing doorway , the hoistway in door panel and a movement regulating piece in contact with the surface opposite that by the mounting retaining means is biased in a direction to extend the supporting body, in contact with the closing direction end portion of the door panel An elevator entrance / exit safety device is provided to maintain the door panel in an open state. 2. The elevator entrance / exit safety device according to claim 1, further comprising a display member that is supported by the proximity restriction unit and has a warning sign that avoids entry to the entrance / exit.   3. The elevator entrance / exit safety device according to claim 1, wherein the proximity restricting portion is configured by a plurality of restricting arms connected to each other so as to be foldable. 4.

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