JP2012184039A - Escalator step - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an escalator step that enables easy pull-out of foreign matter sandwiched between the escalator step and skirt guard.SOLUTION: The escalator step includes: a step body 1 that has a tread part 111 formed with a tread 110 and that moves while a side surface faces the skirt guard 4; a shaft member 22 that is supported by the step body 1 to be disposed between the tread part 111 and the skirt guard 4 and that is elongated in the longitudinal direction of the tread 110; and a cylindrical brush 23 that is provided on the shaft member 22 and that is rotated on the shaft member 22. The brush 23 is rotated only in a direction in which a part of the brush 23 on the side of the skirt guard 4 with respect to the shaft member 22 moves to a position on the side of the tread part 111 with respect to the shaft member 22 through an area above the shaft member 22.

Description

  The present invention relates to a step of an escalator that circulates between entrances and exits.

  Conventionally, there has been known an escalator step including a step body having a step plate and the side surface of which moves while facing the skirt guard, and a brush fixed to the side surface of the step plate and extending from the side surface of the step plate toward the skirt guard. ing. The brush prevents foreign matter from entering between the step body and the skirt guard from above. Thereby, it is suppressed that a foreign material is pinched | interposed between a step main body and a skirt guard (for example, refer patent document 1).

JP 2008-44720 A

  However, since the brush is fixed to the side surface of the tread board, when a foreign object is caught between the brush and the skirt guard, a large force is required to pull the foreign object upward between the brush and the skirt guard. There was a problem of becoming.

  This invention provides the step of the escalator which can pull out the foreign material pinched | interposed between skirt guards easily.

  The step of the escalator according to the present invention has a tread surface portion on which a tread surface is formed, and a side surface of the escalator moves while facing the skirt guard, and is disposed between the tread surface portion and the skirt guard. A shaft member supported by the step body and extending in the longitudinal direction of the tread surface, and a rotating member provided on the shaft member and rotating around the shaft member.

  According to the step of the escalator according to the present invention, the step body having the tread surface formed with the tread surface and the side surface moving while facing the skirt guard is disposed between the tread surface portion and the skirt guard. A shaft member that is supported by the step body and extends in the longitudinal direction of the tread surface, and a rotation member that is provided on the shaft member and rotates about the shaft member, foreign matter is present between the rotation member and the skirt guard. If the passenger tries to pull out the foreign object sandwiched between the rotating member and the skirt guard when sandwiched, the rotating member rotates in the direction in which the foreign object is extracted. Thereby, the foreign material pinched | interposed between the step of an escalator and a skirt guard can be extracted easily.

It is a side view which shows the step of the escalator which concerns on Embodiment 1 of this invention. It is a top view which shows the step of the escalator of FIG. It is arrow sectional drawing along the III-III line of FIG. It is sectional drawing which shows a mode that the step of the escalator of FIG. 3 moves along a skirt guard. It is a side view which shows the demarcation member of FIG. It is a front view which shows the state where the passenger's skirt was pinched | interposed between the step of the escalator and the skirt guard. It is a front view which shows the state which the passenger's leg rested on the brush.

Embodiment 1 FIG.
1 is a side view showing a step of an escalator according to Embodiment 1 of the present invention, FIG. 2 is a plan view showing the step of the escalator in FIG. 1, and FIG. 3 is a cross-sectional view taken along line III-III in FIG. FIG. In the figure, the steps of the escalator are provided at the step body 1, a pair of demarcation members 2 provided at the upper portion of the step body 1 at both ends in the width direction of the step body 1, and the lower portion of the step body 1. A pair of follower rollers 3 is provided.

  The step body 1 includes a step plate 11, a riser 12 provided at a rear stage side end of the step plate 11, and a bracket 13 connected to the step plate 11 and the riser 12. The tread plate 11 includes a tread surface portion 111 on which a tread surface 110 is formed, and a pair of demarcation member support portions 112 that are formed on both side surfaces of the tread surface portion 111 and support each demarcation member 2. The tread portion 111 is disposed between the pair of demarcation members 2.

  A plurality of grooves 113 are formed on the tread 110 to mesh with a comb plate (not shown) attached to a landing plate (not shown) at the entrance when the step body 1 is at the entrance. . The groove 113 is formed to extend in the longitudinal direction of the tread surface 110. In this example, the vertical direction of the tread surface 110 is a direction orthogonal to the width direction of the tread surface 110 and is a direction horizontal to the tread surface 110. Further, the grooves 113 are arranged at equal intervals in the width direction of the tread surface 110.

  4 is a cross-sectional view showing how the steps of the escalator in FIG. 3 move along the skirt guard 4, and FIG. 5 is a side view showing the demarcation member 2 in FIG. The demarcation member 2 includes a brush base 21 supported by the demarcation member support portion 112, a shaft member 22 rotatably supported by the brush base 21, and a cylindrical brush (rotary member) provided on the shaft member 22. ) 23 and a ratchet device 24 for regulating the rotation of the brush 23. The brush base 21 can be attached to and detached from the tread plate 11 using bolts (not shown). By attaching / detaching the brush base 21 to / from the tread board 11, the entire demarcation member 2 is attached to / detached from the tread board 11. Therefore, only the demarcation member 2 can be exchanged.

  The brush base 21 includes a base portion 211 placed on the demarcation member support portion 112, a side wall portion 212 extending upward from the base portion 211 and adjacent to the side surface of the tread portion 111, and extending upward from the base portion 211 to a shaft member. And a pair of shaft member support portions 213 for rotatably supporting 22. The shaft member support portions 213 are disposed at both ends of the base portion 211 in the vertical direction of the tread surface 110. The upper end surfaces of the side wall portion 212 and the shaft member support portion 213 are arranged on the same plane as the tread surface 110. The side wall portion 212 and the shaft member support portion 213 are fixed to the base portion 211. The base 211 has a recess 214 that opens upward. The distance between the base 211 and the skirt guard 4 is the same as the distance between the demarcation member support 112 and the skirt guard 4.

  The shaft member 22 is supported by the step body 1 through the brush base 21. The shaft member 22 is arranged extending in the vertical direction of the tread surface 110. The shaft member 22 is disposed between the tread portion 111 and the skirt guard 4. The shaft member 22 can be attached to and detached from the brush base 21. By attaching and detaching the shaft member 22 to and from the brush base 21, the brush 23 is also attached to and detached from the brush base 21 at the same time. Therefore, only the shaft member 22 and the brush 23 can be exchanged.

  The brush 23 is fixed to the shaft member 22 so that the shaft member 22 passes through the center of the brush 23. The brush 23 is disposed between the tread portion 111 and the skirt guard 4. The bristles of the brush 23 extend radially about the shaft member 22. The brush 23 is rotatably supported by the step body 1 via the shaft member 22 and the brush base 21. The brush 23 rotates around the shaft member 22 as the shaft member 22 rotates.

  The brush 23 is disposed so that the upper part of the brush 23 is positioned above the tread surface 110. The brush 23 is easily elastically deformed so as to be positioned below the tread 110 when a portion of the brush 23 positioned above the tread 110 is pressed downward. The brush 23 is arranged such that the distance between the base portion 211 and the demarcation member support portion 112 and the skirt guard 4 is slightly larger than the distance between the brush 23 and the skirt guard 4. The brush 23 is disposed away from the skirt guard 4. That is, the brush 23 is not in contact with the skirt guard 4.

  The ratchet device 24 includes a ratchet gear 241 fixed to the shaft member 22, a ratchet claw 242 provided on the base portion 211 and engaged with the ratchet gear 241, and a spring 243 accommodated in the recess 214.

  The ratchet pawl 242 is displaced between an engageable position where the ratchet gear 241 can be engaged and an unengageable position where the ratchet gear 241 cannot be engaged. The spring 243 biases the ratchet pawl 242 so that the position of the ratchet pawl 242 becomes an engageable position.

  In the ratchet pawl 242 in the engageable position, a portion of the ratchet gear 241 below the shaft member 22 moves to a position above the shaft member 22 through a region closer to the tread surface portion 111 than the shaft member 22. When the ratchet gear 241 tries to rotate in the direction, it engages with the ratchet gear 241. The ratchet pawl 242 engages with the ratchet gear 241 to prevent the ratchet gear 241 from rotating. As a result, the brush 23 rotates in a direction in which a portion of the brush 23 on the skirt guard 4 side with respect to the shaft member 22 passes below the shaft member 22 and moves to a position on the tread surface portion 111 side with respect to the shaft member 22. Be regulated.

  On the other hand, the ratchet pawl 242 has a ratchet gear in a direction in which a portion of the ratchet gear 241 below the shaft member 22 passes through a region on the skirt guard 4 side relative to the shaft member 22 and moves to a position above the shaft member 22. When 241 tries to rotate, it does not engage with the ratchet gear 241. In this case, the ratchet gear 241 presses the ratchet pawl 242 downward against the urging force of the spring 243. Accordingly, the position of the ratchet pawl 242 becomes the position where the ratchet pawl 242 cannot be engaged, and the ratchet gear 241 can be rotated. Thereby, the portion of the brush 23 on the skirt guard 4 side with respect to the shaft member 22 moves to the position on the tread surface 111 side with respect to the shaft member 22 through the upper side of the shaft member 22, that is, the arrow A in FIG. The brush 23 can rotate in the direction of. The ratchet pawl 242 moves upward by the urging force of the spring 243 when the downward pressing force by the ratchet gear 241 disappears, and the position of the ratchet gear 241 becomes the engageable position.

  Next, the operation will be described. FIG. 6 is a front view showing a state where a passenger's skirt is sandwiched between the steps of the escalator and the skirt guard 4. A passenger using the escalator gets on the end in the width direction of the tread 110 of the step so as to grip a moving handrail (not shown). For example, when the passenger's skirt enters between the brush 23 and the skirt guard 4 during the ascending operation of the escalator, the passenger's skirt is sandwiched between the brush 23 and the skirt guard 4. At this time, the passenger lifts the skirt upward to pull out his skirt from between the brush 23 and the skirt guard 4.

  The brush 23 rotates in a direction in which a portion of the brush 23 on the skirt guard 4 side passes above the shaft member 22 and moves to a position closer to the tread surface 111 than the shaft member 22 due to the pulling force to the skirt of the passenger. Thus, the passenger can easily pull out his skirt from between the brush 23 and the skirt guard 4.

  FIG. 7 is a front view showing a state in which a passenger's foot is placed on the brush 23. When the passenger's shoes are placed on the brush 23, the brush 23 is elastically deformed. As a result, the portion of the passenger's shoes on the brush 23 moves below the tread 110. Thereby, it is possible to alert the passenger that the shoe of the passenger is placed on the end in the width direction of the step. Therefore, the passenger moves his / her shoes from the widthwise end of the step toward the widthwise center. As a result, it is possible to prevent shoes from being caught between the step and the skirt guard 4.

  As described above, according to the steps of the escalator according to Embodiment 1 of the present invention, the step body 1 having the tread portion 111 on which the tread surface 110 is formed and the side surface moves while facing the skirt guard 4. The shaft member 22 is supported by the step body 1 so as to be disposed between the tread portion 111 and the skirt guard 4 and extends in the longitudinal direction of the tread surface 110. The shaft member 22 is provided around the shaft member 22. Since the rotating brush 23 is provided, when a foreign object is sandwiched between the brush 23 and the skirt guard 4, when a passenger tries to pull out the foreign object sandwiched between the brush 23 and the skirt guard 4, The brush 23 rotates in the direction in which the foreign matter is pulled out. Thereby, the foreign material pinched | interposed between the step of an escalator and the skirt guard 4 can be pulled out easily.

  Further, the brush 23 rotates only in the direction in which the portion of the brush 23 that is closer to the skirt guard 4 than the shaft member 22 passes above the shaft member 22 and moves to a position closer to the tread portion 111 than the shaft member 22. The brush 23 is prevented from rotating in the direction in which foreign matter is drawn between the brush 23 and the skirt guard 4. As a result, it is possible to further prevent foreign objects such as passenger skirts from being caught between the brush 23 and the skirt guard 4.

  Further, since the cylindrical brush 23 is provided on the shaft member 22 and rotates around the shaft member 22, it is not necessary to change the landing plate or comb plate of the entrance / exit, and can be easily applied to a conventional escalator. be able to. In addition, when the passenger's shoes are placed on the brush 23, the brush 23 is elastically deformed to alert the passenger that the passenger's shoes are placed on the end in the width direction of the step. It can be performed.

  Further, since the brush 23 is detachable from the step body 1, when the brush 23 is consumed due to long-term use of the brush 23, the brush 23 is replaced without replacing the step body 1. be able to. Thereby, the workability | operativity and economical efficiency of the maintenance of an escalator step can be improved, and resource saving can be achieved.

  Further, since the brush 23 is disposed away from the skirt guard 4, the brush 23 is prevented from contacting the skirt guard 4. Thereby, generation | occurrence | production of the sliding sound which generate | occur | produces when the brush 23 contacts the skirt guard 4 can be prevented.

  In the first embodiment, the brush 23 is described as an example of the rotating member. However, the rotating member is not limited to the brush 23 and may be other members. When an elastic member such as a sponge is used as the rotating member, it is not necessary to deform the landing plate or the comb plate.

  In the first embodiment, the configuration in which the brush base 21 is supported by the demarcation member support portion 112 has been described. However, the demarcation member support portion 112 is deleted and the brush base 21 is fixed to the tread portion 111. It may be a configuration.

  In the first embodiment, the configuration of the escalator step provided with the ratchet device 24 that restricts the rotation of the brush 23 has been described. However, the ratchet device 24 may not be provided. In addition, the rotation of the brush 23 may be regulated not only by the ratchet device 24 but also by other devices.

  1 Step body, 2 Demarcation member, 3 Tracking roller, 4 Skirt guard, 11 Tread plate, 12 Riser, 13 Bracket, 21 Brush base, 22 Shaft member, 23 Brush (rotating member), 24 Ratchet device, 110 Tread, 111 Step Surface portion, 112 Demarcation member support portion, 113 groove, 211 base, 212 side wall portion, 213 shaft member support portion, 214 recess, 241 ratchet gear, 242 ratchet claw, 243 spring.

Claims (5)

A step body that has a tread portion formed with a tread surface and moves while the side faces the skirt guard;
A shaft member supported by the step body so as to be disposed between the tread surface portion and the skirt guard, and extending in the vertical direction of the tread surface;
An escalator step comprising: a rotating member provided on the shaft member and rotating about the shaft member.   The rotating member rotates only in a direction in which a portion of the rotating member on the skirt guard side with respect to the shaft member passes above the shaft member and moves to a position on the tread surface side with respect to the shaft member. The escalator step according to claim 1.   The escalator step according to claim 1, wherein the rotating member is a cylindrical brush.   The escalator step according to any one of claims 1 to 3, wherein the rotating member is detachable from the step main body.   The escalator step according to any one of claims 1 to 4, wherein the rotating member is disposed away from the skirt guard.

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