JP2008081272A - Narrow angle part safety device of passenger conveyer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a narrow angle part safety device of a passenger conveyer, inhibiting a passenger's body such as his head from being caught in a narrow angle part of the passenger conveyer, not impairing the appearance, and simple in structure. <P>SOLUTION: This narrow angle part safety device of the passenger conveyer is installed in the narrow angle part where the passenger conveyer 1 installed with a gradient between the floors of the upper and lower stories different in level and the floor 5 of the upper story intersect each other. The device includes at least a rocking type protective plate 9 suspended on the floor 5 of the upper story. A suspending part of the rocking type protective plate 9 is provided with a restraining spring member 11 for restraining outward rocking of the rocking type protective plate 9 to achieve the above safety device. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a narrow-angle safety device for a passenger conveyor.

  A conventional passenger conveyor includes a plurality of steps connected endlessly, a balustrade installed on both sides of the plurality of steps, a longitudinal direction of the balustrade, and the steps And at least a moving handrail that moves in the same direction, and is inclined between the upper and lower floors having a height difference. Moreover, in the conventional passenger conveyor, a protective plate suspended from the upper floor (the lower floor ceiling) is provided at a narrow angle where the passenger conveyor and the upper floor (the lower floor ceiling) intersect. Thus, the occurrence of an accident in which the head of the passenger riding on the passenger conveyor is caught between the narrow-angled portions while leaning out of the moving handrail is prevented.

  And as a protective plate provided in the narrow angle part of the passenger conveyor, it was hung from the ceiling by a chain or chain on the near side of the narrow angle part where the passenger conveyor and the upper floor (the ceiling of the lower floor) intersect There has been proposed a swing type protective plate and a fixed type protective plate fixed to the passenger conveyor and the upper floor (lower floor ceiling) on the back side of the swing type protective plate. (For example, refer to Patent Document 1).

Furthermore, in order to suppress the swing of the swing type protection plate provided in the narrow angle portion of the passenger conveyor, a chain is provided between the lower end of the protection plate and the outer deck of the passenger conveyor (for example, (See Patent Document 2), or a device that is provided with a holding device that holds the tip of the protective plate in a normal state and releases the holding when receiving a force in the upward direction (for example, Patent Document 2) 3) is known.
JP 2001-72367 A JP 60-228389 A Japanese Utility Model Publication No. 2-40778

  However, in the narrow-angle part safety device for passenger conveyors described in the above-mentioned Japanese Patent Application Laid-Open No. 2002-316780, there is a case where passengers are on the steps in a state of slightly protruding outward from the railings of the passenger conveyor. Because the swinging protection plate is pushed outward by the passenger's head, the passenger's head protrudes outward of the railing against the passenger on the passenger conveyor That the passenger conveyor and the upper floor (the ceiling on the lower floor) are approaching a narrow angle, and urge the passenger to position the passenger's head inside the railing Therefore, there is a problem that it is not possible to sufficiently suppress the occurrence of a situation in which the passenger's head is caught in a narrow-angle portion where the passenger conveyor and the upper floor (the ceiling of the lower floor) intersect. Moreover, when the swinging protection plate is greatly shaken due to the occurrence of an earthquake or the like, there is a problem that the swinging protection plate may hit a passenger on an adjacent passenger conveyor. there were.

  Further, in the narrow-angle safety device for passenger conveyors described in the above-mentioned Japanese Patent Application Laid-Open No. 60-228389, even if the swing of the protective plate can be suppressed by a chain or the like, the chain is suspended outside the balustrade and As a result, the aesthetics are impaired and there is a problem that a chain support bracket must be provided on the outer deck. Moreover, in the narrow angle part safety device of the passenger conveyor described in the above-mentioned Japanese Utility Model Laid-Open No. 2-40778, when the protective plate is detached from the holding device, the protective plate is only suspended by a cord-like body. The passenger's head crosses the passenger conveyor and the upper floor (the lower floor ceiling) because it does not urge the passenger to place the passenger's head inside the balustrade. There is a problem that it is not possible to sufficiently avoid the occurrence of the situation of being caught in the narrow angle portion.

The present invention was made from the actual situation in the above-described prior art, and its purpose is as follows.
Recognizing that the passenger's head and other bodies protrude outside the parapet, and returning the passenger's head and other bodies to the inside of the parapet, such as the passenger's head It is possible to prevent the body from being pinched by a narrow-angle part where the passenger conveyor and the upper floor (the ceiling of the lower floor) intersect, and it also has a good appearance and a simple structure. The object is to provide a corner safety device.

  In order to achieve the above object, the present invention provides a narrow-angle portion or two passenger conveyors in which a passenger conveyor installed at an inclination between upper and lower floors having a height difference intersects a floor of the upper floor. In the narrow-angle part safety device of a passenger conveyor, which is installed in a crossing narrow-angle part and includes a swing-type protective board suspended on the floor side of the upper floor, the swing-type protective plate A restraining spring member that suppresses the outward swinging of the swinging protection plate is provided at the suspended portion of the swinging protection plate.

  Furthermore, the present invention suspends the swing type protection plate on the lower surface of the upper floor by a plurality of suspension fittings and suspension chains attached to the lower surface of the upper floor, and the restraining spring. The member is provided by using the above-mentioned suspension metal fitting so that only the lower end side portion of the restraining spring member is in contact with the upper part of the outer surface of the flat plate in the swing type protective plate.

  Furthermore, the present invention includes a fixed protection plate that is fixed to the lower surface of the upper floor at a narrow angle portion on the back side of the swinging protection plate provided with the restraining spring member. It is characterized by becoming.

  According to the present invention, when the swinging protection plate is pushed outward by a body such as the passenger's head, a force for pushing back the body such as the head is generated by the spring force of the restraining spring member. Therefore, a passenger who receives a force to push back the body such as the head notices that it is caught in the narrow angle part in this state, and retracts the body such as the head inside the moving handrail. Since it becomes like this, it is possible to prevent the body such as the head from being sandwiched in the narrow angle part of the passenger conveyor, and the restraining spring member is provided in the suspended part of the swinging protection plate that is not conspicuous, It is possible to obtain a narrow-angle safety device for a passenger conveyor that has a very simple structure and does not impair the appearance.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a narrow-angle safety device for a passenger conveyor according to the present invention will be described based on the drawings. FIG. 1 is a side view of a narrow-angle portion where a passenger conveyor and an upper floor intersect, according to an embodiment of the present invention. FIG. 2 is an enlarged side view of a narrow-angle safety device for a passenger conveyor according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of the main part showing a state where the swinging protection plate of the narrow-angle safety device for the passenger conveyor according to the embodiment of the present invention is not pushed outward. FIG. 4 is a cross-sectional view of a main part showing a state in which the swinging protection plate of the narrow-angle safety device for the passenger conveyor according to the embodiment of the present invention is pushed outward.

  A passenger conveyor 1 according to an embodiment of the present invention shown in FIG. 1 is commonly called an escalator, and includes a plurality of steps 2 connected endlessly and both sides of the plurality of steps 2. And at least a movable handrail 4 that is provided along the longitudinal direction of the balustrade 3 and moves in the same direction as the step 2 and has upper and lower floors such as a building having a height difference It is installed with an inclination in between. As shown in FIG. 1, the narrow-angle portion 6 where the passenger conveyor 1 installed at an inclination between the upper and lower floors having a height difference and the upper floor (the ceiling of the lower floor) 5 intersect is narrow as shown in FIG. A corner safety device 7 is installed.

  As shown in FIGS. 1 and 2, the narrow-angle safety device 7 is suspended by a plurality of suspension chains 8 on the front side of the narrow-angle portion 6 where the passenger conveyor 1 and the upper floor 5 intersect. And a fixed protective plate 10 made of a trapezoidal synthetic resin fixed to the upper floor 5 at a narrow angle portion 6 on the back side of the swingable protective plate 9. And a restraining spring member 11 that suppresses the swinging of the swinging protection plate 9 (the direction toward the outer side of the moving handrail 4).

  The swing type protection plate 9 is composed of a flat plate 9A made of a trapezoidal synthetic resin and a pipe 9B made of a synthetic resin fixed to the side of the flat plate 9A extending in the vertical direction by an adhesive or the like. An attachment piece 12 for attaching the suspension chain 8 is integrally provided on the upper side of the swing protection plate 9 extending in the horizontal direction of the flat plate 9A. As shown in FIGS. 3 and 4, the swing type protective plate 9 is narrowed by attaching a suspension chain 8 to a plurality of suspension fittings 13 detachably attached to the lower surface of the upper floor 5. The corner portion 6 is suspended so that the flat portion of the flat plate 9 </ b> A of the swingable protection plate 9 is along the longitudinal direction of the movable handrail 4. The fixed protection plate 10 is made of a flat plate made of trapezoidal synthetic resin, and is in a state adjacent to the swing protection plate 9 by the support member 14 on the lower surface of the upper floor 5 and the swing protection. The flat portion of the plate 9 is detachably fixed to the lower surface of the upper floor 5 so that the longitudinal direction of the movable handrail 4 is along.

  The restraining spring member 11 that suppresses the outward swinging of the swinging protective plate 9 is a leaf spring. As shown in FIGS. 3 and 4, the cross-sectional shape is a substantially inverted L shape, By attaching to the lower surface of the upper floor 5 using the upper floor, it is provided at the suspended portion of the swinging protective plate 9. As shown in FIG. 2, the restraining spring member 11 is positioned between the suspension chains 8 when viewed from the side of the passenger conveyor 1. In addition, as shown in FIG. 3, when the restraining spring member 11 is attached to the lower surface of the upper floor 5, only the lower end portion (free end) 11 </ b> A of the restraining spring member 11 is swingable. The protective plate 9 is in contact with the upper part of the outer surface of the flat plate 9A. As a result, the swinging protection plate 9 is pushed outward (in the direction toward the outside of the moving handrail 4) by the flat plate 9A of the swinging protection plate 9 by the body such as the passenger's head. As shown in FIG. 4, when the state is rotated by an angle K, the spring force (restoring force) of the restraining spring member 11 acts so as to return the state to the original state shown in FIG. become. The spring force (restoring force) is increased as the angle K (see FIG. 4) of the flat plate 9A due to the protrusion of the body such as the passenger's head outward from the moving handrail 4 increases. is there.

  According to the narrow-angle safety device 7 having the above-described configuration, the passenger rides on the step 2 with the body such as the head protruding outward from the moving handrail 4. 4, even if the flat plate 9 </ b> A is pushed outward, the body such as the passenger's head is pushed back to the state shown in FIG. 3 by the spring force (restoring force) of the restraining spring member 11. The force to act strongly on the body such as the head. Therefore, a passenger who receives a force to push back the body such as the head notices that the passenger is caught in the narrow angle portion 6 in this state, and moves the body such as the head inside the moving handrail 4 Since the head is prevented from colliding with the fixed protection plate 10, it is possible to prevent the body such as the passenger's head from being caught in the narrow angle portion 6.

Furthermore, according to the narrow-angle safety device 7 having the above-described configuration, the restraining spring member 11 uses the hanging metal fitting 13 for attaching the rocking protection plate 9 to the lower surface of the upper floor 5.
Since it is attached to the lower surface of the upper floor 5, there is no need to separately provide a member for attaching the restraining spring member 11, so the number of parts can be reduced. In addition, the hanging metal fitting 13 is located on the lower surface of the upper floor 5 and is not in a conspicuous position such as the balustrade 3 or the tip of the rocking protection plate 9, so that the restraining spring member 11 is protected by rocking. Even if it is provided on the plate 9, the appearance of the side surface of the passenger conveyor 1 is not impaired. Further, the swinging protection plate 9 is restricted by the restraining spring member 11 from swinging in the direction toward the outside of the movable handrail 4. Therefore, the rocking protection plate 9 is not greatly shaken in the direction toward the outside of the moving handrail 4 due to the occurrence of an earthquake or the like. It is safe because the plate 9 does not hit.

  In the above-described embodiment, the narrow-angle safety device 7 is provided in the narrow-angle portion 6 where the passenger conveyor 1 installed at an incline between the upper and lower floors having a height difference intersects with the upper floor. However, you may make it install the narrow angle part safety | security apparatus 7 in the narrow angle part where two passenger conveyors cross | intersect.

  In the above embodiment, in order to provide the restraining spring member 11 at the suspended portion of the swinging protective plate 9, the hanging metal fitting 13 for attaching the swinging protective plate 9 to the lower surface of the upper floor 5 is provided. Although it is used, it is also possible to attach the restraining spring member 11 to the lower surface of the upper floor 5 by using a separately provided mounting tool without using the hanging metal fitting 13.

It is a side view of the narrow-angle part which the passenger conveyor which concerns on one Embodiment of this invention, and the floor of an upper floor cross. It is an enlarged side view of the narrow angle part safety device of the passenger conveyor concerning one embodiment of the present invention. It is principal part sectional drawing which shows the state by which the rocking | fluctuation type protective plate of the narrow angle part safety device of the passenger conveyor which concerns on one Embodiment of this invention is not pushed outward. It is principal part sectional drawing which shows the state by which the rocking | fluctuation type protective plate of the narrow angle part safety device of the passenger conveyor which concerns on one Embodiment of this invention was pushed outward.

DESCRIPTION OF SYMBOLS 1 Passenger conveyor 2 Step 3 Railing 4 Moving handrail 5 Floor of upper floor 6 Narrow angle part 7 Narrow angle part safety device 8 Hanging chain 9 Oscillating protection plate 9A Flat plate 9B Pipe 10 Fixed protection plate 11 Suppression spring member 11A Lower end portion 12 Mounting piece 13 Hanging bracket 14 Support member

Claims (3)

It is installed in a narrow-angle part where the passenger conveyor installed at an inclination between the upper and lower floors with a difference in height and the upper-floor floor intersect, or in a narrow-angle part where two passenger conveyors intersect. In the narrow-angle safety device of the passenger conveyor including a swinging protective plate suspended on the floor side of the upper floor,
A narrow-angle safety device for a passenger conveyor, characterized in that a restraining spring member for suppressing outward swinging of the swinging protective plate is provided at a suspended portion of the swinging protective plate.   The swing protection plate is suspended from the lower surface of the upper floor by a plurality of suspension hardware and suspension chains attached to the lower surface of the upper floor, and the restraining spring member is suspended from the suspension metal. The narrow angle portion of the passenger conveyor according to claim 1, wherein only the lower end side portion of the restraining spring member is provided so as to abut on the upper portion of the outer surface of the flat plate in the swing type protective plate. Safety device.   A fixed protective plate fixed to the lower surface of the upper floor is provided in a narrow-angle portion on the back side of the swinging protective plate provided with the restraining spring member. The narrow-angle part safety | security apparatus of the passenger conveyor of Claim 1 or 2.

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