JP2012071963A - Passenger conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a passenger conveyor that can prevent foreign matter from being entered from a clearance between the side surface of steps and skirt guard panels and can be easily manufactured.SOLUTION: The passenger conveyor includes a plurality of the steps that are circulated-moved, the skirt guard panels 14 that are disposed on both sides of the step, a retention member 22 positioned above a clearance caught between the step provided at each of the skirt guard panels 14 and each of the skirt guard panels 14 along the moving direction of the step, and a brush 24 that protrudes to the step side from the retention member 22, wherein a face opposed to the step at the retention member 22 is provided with a slope 30 that is being inclined toward an upper direction, the farther the face separates from each of the skirt guard panels 14, and a groove 32 that sinks in the slope 30 toward each of the skirt guard panels 14 is provided along the moving direction of the step.

Description

  Embodiments of the present invention relate to a passenger conveyor.

  Passenger conveyors such as escalators and moving walkways are provided with a plurality of steps on which passengers board, and the passengers on the steps are transported in one direction by circulating these steps. A balustrade is provided on both sides of the step, and a skirt guard panel is attached to the lower part of the balustrade so as to face the side of each step. The plurality of steps moves along the longitudinal direction of the skirt guard panel.

  In passenger conveyors, passengers are prevented from getting caught in the gap between the side of the step and the skirt guard panel, or foreign objects such as trash are trapped inside the passenger conveyor from this gap. In order to prevent intrusion, a skirt guard panel may be provided with a holding member along the moving direction of the step, and a safety device with a brush attached to the holding member may be provided.

  In the passenger conveyor provided with such a safety device, the distance between the step and the holding member is narrower in the vicinity of the entrance / exit than the inclined portion located between the entrance / exit on the upper floor side and the lower floor side. Therefore, an object such as a shopping cart or a stroller roller may be pinched between the step and the holding member and be damaged when approaching the exit.

  Therefore, an inclined surface that inclines upward as it moves away from the skirt guard panel is provided at a position facing the step on the holding member, and the object positioned on the step is inclined even if it is sandwiched between the step and the holding member. There has been proposed a safety device that is guided inward in the width direction of a step by a surface and prevents damage to the object (for example, see Patent Document 1 below).

  In the safety device as described above, when the holding member is attached to the skirt guard panel with a fastener such as a screw or a bolt, the fastener is not conspicuous from the passengers of the passenger conveyor if the fastener is disposed below the brush, which is preferable in terms of design. . However, in order to dispose the fastener below the brush, it is necessary to make an insertion hole for inserting the fastener into the inclined surface provided in the holding member, which makes it difficult to drill. Become.

JP 2004-217323 A

  The present invention has been made in consideration of the above points, and can prevent a passenger from approaching the gap between the side surface of the step and the skirt guard panel or prevent foreign matter from entering through the gap, An object is to provide a passenger conveyor that is easy to manufacture.

  The passenger conveyor according to the embodiment includes a plurality of steps that circulate and move, skirt guard panels disposed on both sides of the steps, and the steps and the skirt guard panels provided on the skirt guard panel along a moving direction of the steps. A holding member positioned above the gap between the holding member and a brush projecting from the holding member to the step side, and the surface of the holding member that faces the step is located upward as the distance from the skirt guard panel increases. An inclined surface that is inclined toward the surface is provided, and a groove that is recessed toward the skirt guard panel is provided along the moving direction of the step.

It is a side view showing a passenger conveyor concerning one embodiment of the present invention. It is AA sectional drawing of FIG. It is a figure which expands and shows the principal part of FIG. It is a figure which expands and shows the principal part of FIG. It is sectional drawing of a passenger conveyor which shows the state which the object on a step contact | abutted to the safety device.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  The passenger conveyor 1 according to an embodiment of the present invention is an escalator installed to be inclined across the upper and lower floors of a building, for example. As shown in FIG. 1, the passenger conveyor 1 circulates a large number of steps 2 between an entrance / exit 8 on the upper floor side and an entrance / exit 9 on the lower floor side. The passengers boarded are transported across the upper and lower floors.

  A number of steps 2 are connected by an endless step chain 3 and arranged in a main frame 4 called a truss installed under the floor of the building.

  A sprocket 5 and a drive device 6 including a drive motor and a speed reducer are arranged on the upper floor side inside the main frame 4, and a sprocket 7 is arranged on the lower floor side inside the main frame 4.

  A step chain 3 is bridged between the sprocket 5 on the upper floor side and the sprocket 7 on the lower floor side. As the driving device 6 rotates the sprocket 5, the step chain 3 is moved to the sprocket 5. And the sprocket 7 are circulated and moved, and the step 2 is also circulated and moved integrally with the step chain 3.

  A pair of left and right balustrades 10 are provided on both sides of the step 2, and a handrail belt 12 that circulates and moves in synchronization with the step 2 is attached to the outer periphery of the balustrade 10. A skirt guard panel 14 is attached to the lower part of the balustrade 10 with a gap S between the side of the step 2 and the step 2 moves along the longitudinal direction of the skirt guard panel 14. The skirt guard panel 14 is configured by joining a plurality of divided panels made of, for example, steel plates along the longitudinal direction of the balustrade 10.

  As shown in FIG. 2, the balustrade 10 is attached to the main frame 4 provided in the building and is supported vertically, and a skirt guard panel 14 and an inner deck 16 are disposed below the balustrade 10. Yes. The inner deck 16 is attached between the upper end of the skirt guard panel 14 and the inner side (step side) of the balustrade 10 and has an inclined shape so as to become lower toward the skirt guard panel 14.

  Inside the skirt guard panel 14, a safety device 20 having a holding member 22 and a brush 24 extends from the vicinity of the upper floor side entrance / exit 8 to the vicinity of the lower floor side entrance / exit 9 along the moving direction of the step 2. Is provided.

  The holding member 22 is disposed at a position away from the gap S sandwiched between the side surface of the step 2 and the skirt guard panel 14 and is fixed to the skirt guard panel 14 with a fastener 26 such as a screw or a bolt.

  As shown in FIGS. 2 to 4, the holding member 22 includes a horizontal surface 28 and an inclined surface 30 on the surface facing the tread surface 2 a of the step 2, that is, the lower surface of the holding member 22. The horizontal plane 28 extends in the horizontal direction so as to be separated from the skirt guard panel 14, and in this embodiment, the extension amount Z from the skirt guard panel 14 is set to 1 to 4 mm, for example (FIG. 3). reference). The inclined surface 30 is gently connected from the front end of the horizontal surface 28 via the curved surface 31, and is inclined upward as the distance from the skirt guard panel 14 increases. For example, the inclined surface 30 has an inclination angle with respect to the horizontal direction of 25 degrees or more, preferably 40 degrees or more, more preferably 50 degrees or more, and 70 degrees or less.

  The inclined surface 30 is provided with a V-shaped groove 32 that is recessed toward the skirt guard panel 14 along the moving direction of the step 2. As shown in an enlarged manner in FIG. 3, the groove 32 provided on the inclined surface 30 is compared with the distance X from the lower opening edge 34 to the bottom 35 along the lower inner wall 33 of the groove 32. Thus, the distance Y from the upper opening edge 37 of the groove 32 along the inner wall 36 on the upper side of the groove 32 to the bottom 35 is long.

  An insertion hole 38 through which the fastener 26 for fixing the holding member 22 to the skirt guard panel 14 is inserted is provided at the position of the groove 32 provided in the inclined surface 30. A plurality of insertion holes 38 are provided at intervals in the moving direction of the step 2. A counterbore portion 39 that houses the head portion 26a of the fastener 26 is provided at the end of the insertion hole 38 on the inclined surface side (that is, the step side), and the end portion of the insertion hole 38 on the skirt guard panel side is provided. A recess 40 having an inner diameter larger than that of the insertion hole 38 is provided.

  The holding member 22 is fixed to the skirt guard panel 14 by the fastener 26 inserted into the insertion hole 38 being screwed into a caulking nut 42 provided in the skirt guard panel 14. In this state where the holding member 22 is fixed to the skirt guard panel 14, the head portion 26 a of the fastener 26 is stored in the counterbore portion 39 and is recessed from the inclined surface 30 without protruding from the inclined surface 30. Be placed.

  The caulking nut 42 is an off-the-shelf product called a pop nut or a blind nut, and, as shown in FIG. 3, has a cylindrical shape having a flange portion 42a at one end before being fixed to the skirt guard panel 14. .

  The caulking nut 42 is fitted into the fixing hole 15 provided in the skirt guard panel 14 from the side (that is, the inner side) to which the holding member 22 is attached with the end opposite to the flange portion 42a at the head. After the caulking nut 42 is fitted into the fixing hole 15, a special tool (not shown) is inserted into the caulking nut 42 from the inside of the skirt guard panel 14, and the caulking nut 42 is compressed in the axial direction with this special tool. Close. As a result, a swollen portion 43 that is continuous in the circumferential direction as shown in FIG. 3 is formed in the middle of the caulking nut 42, and the skirt guard panel 14 is held between the swollen portion 43 and the flange portion 42a. Thereby, the caulking nut 42 is fixed to the skirt guard panel 14.

  The holding member 22 is provided with a brush mounting portion 44 above the inclined surface 30, and the brush 24 is implanted in the brush mounting portion 44 along the moving direction of the step 2. The brush 24 is provided so as to be inclined downward from the brush mounting portion 44, covers the side end portion of the step 2, and covers the counterbore portion 39 provided on the inclined surface 30 and the head portion 26 a of the fastener 26. Yes. Thereby, the counterbore part 39 provided in the inclined surface 30 and the head part 26a of the fastener 26 cannot be seen from the passenger who boarded the step 2, and an appearance is not spoiled.

  In the passenger conveyor 1 of the present embodiment, the upper part of the gap S between the side surface of the step 2 and the skirt guard panel 14 is covered with the holding member 22 and the brush 24, so that the passenger does not approach the gap S. While it is possible to prevent a passenger's shoes or the like boarding on the step 2 from being pinched, even if a foreign object is dropped, it comes into contact with the holding member 22 or the brush 24 and falls onto the step surface 2a of the step 2, and from the gap S Entering into the main frame 4 can be prevented.

  Further, during the descent operation of the passenger conveyor 1, an object such as a shopping cart or a stroller roller located in the area indicated by reference numeral R1 in FIG. 1 is an area indicated by reference numeral R2 in FIG. The distance from the tread surface 2a of the step 2 to the inclined surface 30 of the holding member 22 is small (narrow). As a result, as shown in FIG. 5, even if the object 17 on the step 2 may come into contact with the inclined surface 30, the object 17 is guided to the inside of the step 2 so as to slide on the inclined surface 30 before being damaged. Is detached from the holding member 22.

  As described above, in the present embodiment, since the groove 32 that is recessed toward the skirt guard panel 14 is provided on the inclined surface 30, the insertion hole 38 through which the fastener 26 is inserted is formed in the inclined surface 30 of the holding member 22. Drilling for installation can be easily performed, and the manufacturing cost can be reduced. In addition, the groove 32 is provided along the moving direction of the step 2, and the insertion hole 38 can be easily drilled at an arbitrary position in the moving direction of the step 2. An insertion hole 38 for attaching the holding member 22 to the skirt guard panel 14 can be provided at an appropriate position according to the arrangement of the parts.

  In the present embodiment, the groove 32 that is recessed toward the skirt guard panel 14 is provided on the inclined surface 30, but from the opening edge 34 on the lower side of the groove 32 along the inner wall 33 on the lower side of the groove 32. Compared to the distance X to the bottom 35, the distance Y from the upper opening edge 37 of the groove 32 along the inner wall 36 on the upper side of the groove 32 to the bottom 35 is longer. Thereby, when the object 17 slides on the inclined surface 30 as described above, the object 17 is not easily caught on the inner wall 36 on the upper side of the groove 32, and the object 17 is smoothly detached from the holding member 22.

  In the present embodiment, since the inclination angle of the inclined surface 30 with respect to the horizontal direction is set to 25 degrees or more, the object 17 on the step 2 can be reliably guided to the inside of the step 2 by the inclined surface 30. In addition, since the inclination angle of the inclined surface 30 with respect to the horizontal direction is set to 70 degrees or less, the dimension in the height direction does not become excessively large in order to ensure the protruding dimension from the skirt guard panel 14, and the skirt guard. It becomes easy to secure a space for attaching the holding member 22 to the panel 14.

  Further, in the present embodiment, the lower surface of the holding member 22 includes not only the inclined surface 30 that is inclined upward as it is away from the skirt guard panel 14, but also the horizontal surface 28, so that a protruding dimension from the skirt guard panel 14 is ensured. Therefore, it is possible to prevent the height dimension from becoming too large, and it is difficult to generate wrinkles during bending for making the holding member 22 curved along the moving direction of the step 2 and the yield is improved. .

  Note that the amount Z (extension amount) Z that the horizontal plane 28 extends from the skirt guard panel 14 (see FIG. 3) is that the object 17 on the step 2 and the horizontal plane 28 are secured while ensuring the ease of bending the holding member 22. It is preferable to set it so that it is not sandwiched between the steps 2, and for example, it is preferable to set it to about 1 to 4 mm.

  In the present embodiment, a recess 40 having an inner diameter larger than that of the insertion hole 38 is provided at the end of the insertion hole 38 on the skirt guard panel side. Therefore, when the holding member 22 is attached to the skirt guard panel 14, the flange portion 42 a of the caulking nut 42 fixed to the skirt guard panel 14 is accommodated in the recess 40, and the flange portion 42 a does not contact the holding member 22.

DESCRIPTION OF SYMBOLS 1 ... Passenger conveyor 2 ... Step 2a ... Tread surface 10 ... Railing 12 ... Handrail belt 14 ... Skirt guard panel 15 ... Fixing hole 16 ... Inner deck 17 ... Object 20 ... Safety device 22 ... Holding member 24 ... Brush 26 ... Fastener 26a ... head 28 ... horizontal plane 30 ... slope 31 ... curved surface 32 ... groove 33 ... lower inner wall 34 ... lower opening edge 35 ... bottom 36 ... upper inner wall 37 ... upper opening edge 38 ... insertion hole 39 ... bore face Part 40 ... Concave part 42 ... Caulking nut 42a ... Flange part 43 ... Swelling part 44 ... Brush mounting part S ... Gap X ... Distance Y ... Distance Z ... Distance

Claims (8)

A plurality of steps that circulate, a skirt guard panel disposed on both sides of the step, and a gap provided between the step and the skirt guard panel provided in the skirt guard panel along the moving direction of the step. A holding member located above, and a brush projecting from the holding member to the step side,
The surface of the holding member that faces the step includes an inclined surface that is inclined upward as the distance from the skirt guard panel increases, and a groove that is recessed toward the skirt guard panel on the inclined surface is a moving direction of the step. Passenger conveyor characterized by being provided along.   The passenger conveyor according to claim 1, wherein an insertion hole for inserting a fastener for fixing the holding member to the skirt guard panel is provided at the position of the groove.   The groove has a V-shaped cross section, and the distance from the opening edge to the bottom of the groove is longer on the inner wall on the upper side of the groove than on the inner wall on the lower side of the groove. Item 3. A passenger conveyor according to item 1 or 2.   The passenger conveyor according to any one of claims 1 to 3, wherein the inclined surface has an inclination angle with respect to a horizontal direction set to 25 degrees or more and 70 degrees or less.   The passenger conveyor according to any one of claims 1 to 3, wherein the inclined surface has an inclination angle with respect to a horizontal direction set to 40 degrees or more and 70 degrees or less.   The passenger conveyor according to any one of claims 1 to 3, wherein the inclined surface has an inclination angle with respect to a horizontal direction set to 50 degrees or more and 70 degrees or less.   The surface of the holding member facing the step includes a horizontal surface extending in a horizontal direction from the skirt guard panel, and the inclined surface is provided at a tip of the horizontal surface. The passenger conveyor of Claim 1.   3. The passenger conveyor according to claim 2, wherein the insertion hole includes a recess having an inner diameter larger than the insertion hole at an end portion on the skirt guard panel side.

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