JPH0632121Y2 - Evacuation rope device - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention is mainly applied from the upper floors of ordinary houses and condominiums,
The present invention relates to an evacuation rope device used for emergency evacuation downstairs in an emergency such as a fire or an earthquake, and has a simple structure.
This allows multiple people to descend quickly and anyone can safely descend.

[Prior art]

Conventionally, Japanese Utility Model Publication No. 7-7951 has been devised as an evacuation rope device in which one rope is slidably engaged with an engaging tool and a body holder is fixed to one side of the rope.

[Problems to be solved by the device]

In the above-mentioned conventional example, if the resistance of the five pulleys is increased, it is possible to descend with a small force. However, when a plurality of people descend sequentially, one person descends and then the body retainer is returned to the upper floor. In this case, too, a large amount of force is required, so that the work is difficult and there is a problem that the next person cannot descend quickly. Further, since there are five pulleys provided on the engaging member (iron frame in the specification) to reduce the speed, there is a problem that the device becomes large. If you neglect the maintenance,
There is also a problem that the pulley does not rotate and cannot descend in an emergency.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention provides an evacuation rope device in which a rope is slidably engaged with an engagement tool, the rope is hung on both, and a body holder is fixed to one side of the rope. The engaging member is provided with contact portions on both ends with which the rope slides, and the friction coefficient of the contact portion on the side where the body holder is fixed is larger than the friction coefficient of the contact portion on the other side. is there.

【Example】

Next, an embodiment of the present invention will be described with reference to the drawings. The rope (1) is slidably engaged with the engaging tool (2), and the end of the descending rope (1a) is composed of a hip pad (3a), a back pad (3b) and a fastener (3c). A stopper to which a body retainer (3) is bound and which has three holes formed in an elongated plate at the end of the ascending rope (1b).
(6) is attached. The stopper (6) comes into contact with a sliding handle (4), which will be described later, and the rope (1).
Attached by inserting the
The mounting position can be changed. The rope (1) may be looped by connecting both ends. The hook (2) is provided with a hook (2a) on which the rope (1) is slidably hooked, and a hook (2b) which is hung by the belt fitting (5) on the hook. ) Is provided. The attachment (5) may be a rope other than the belt of this embodiment or a metal fitting to which a screw of a building is fixed, as shown in FIG. The hanging part (2b) is opened downward, and an opening / closing tool (2c) is provided in the opening so as to be openable and closable. The hook (2a) is formed slightly wider in the direction in which the rope (1) is inserted, and arc-shaped contact portions (2a-1) (2a-2) with which the rope (1) slides are provided at both ends. Side where the holder (3) is fixed (the rope side on the descending side)
Contact part (2a-1) has a small arc shape and has a large friction coefficient with the rope, and the opposite side (the rising side of the rope)
The contact portion (2a-2) has a large arc shape and the coefficient of friction with the rope is small. In addition, in the present embodiment, the engaging portion (2a) is configured by riveting two separate half-split bodies to the main body obtained by pressing the plate-shaped body, but the main body may be a known carabiner. Further, it may be integrally molded with the main body, and various other configurations are conceivable, and the present invention is not limited to this embodiment. Then, on the holder (3), a sliding handle (4) made of synthetic resin is inserted into the through holes (4a) (4a) of the descending rope (1a) and the ascending rope (1b), respectively. By being installed. The two through holes (4a) (4a) may be communicated with each other by removing the partition wall. The sliding handle (4) has a ring (7) crimped onto it, so that the sliding handle (4) descends together with the holder (3) even if the hand is released. Then, by adjusting the fixed position of the stopper (6) in advance according to the height of the place where the present apparatus is attached, even if the sliding handle (4) is released and the stopper (6) is released, It is safe because it can stop immediately before the body that comes into contact with 6) and is held by the holder (3) falls on the ground. The present invention can be used not only for emergency evacuation, but also for leisure such as athletics and downhills.

[Action]

In order to use the present invention, the hook (2c) is hung on the fixture (5) which is attached to a building, etc., the hip rest (3a) of the retainer (3) is seated, and the back rest (3b) is placed on the back. Then, the fastener (3c) is pulled toward the body and tightened, the sliding handle (4) is held by both hands, and the speed may be adjusted while adjusting the speed depending on the strength of the grip. When the person leaves the building, the descending rope (1a) attached with the body holder (3) descends and the ascending rope (1b) rises due to the weight of the person. When you get downstairs, remove the body retainer (3), pull the rising rope (1b) for the next person to descend, and raise the descending rope (1a) to hold it. Put the tool (3) back upstairs. Hereinafter, if the same operation is repeated, a plurality of people can evacuate in sequence. When a person descends, the rope on the contact part (2a-1) side descends and the rope on the contact part (2a-2) side rises,
The normal force to the contact portion (2a-1) is the contact force (2a-).
2) is larger than the normal force. Since the friction coefficient of the contact portion (2a-1) on which a large vertical drag acts is large, the frictional force, which is the product of the vertical drag and the friction coefficient, becomes large. Next, when returning the holder (3) to the upper floor, the contact portion (2
The vertical resistance to a-2) is larger than the vertical resistance to the contact portion (2a-1). Since the friction coefficient of the contact portion (2a-2) on which a large vertical drag acts is small, the frictional force, which is the product of the vertical drag and the friction coefficient, does not become so large. In the case of the belt-shaped fitting (5) shown in FIG. 2,
The fitting (5) is wound around the handrail of the building, and the other end is also attached by opening and inserting the opening / closing tool (2c).

[Effect of device]

As described above, according to the present invention, since the frictional resistance is great when descending, it is possible to easily descend without requiring strong gripping force, and when returning the body holder to the upper floor,
Since the frictional resistance is small, there is an excellent effect that a large amount of force is not required, the body holder can be easily returned to the upper floor, and a plurality of people can quickly descend in sequence. Further, since the hooking device has a simple structure, the device can be made compact without enlarging it, and it is possible to evacuate safely in the event of an emergency, without causing any trouble and requiring no maintenance.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention, in which FIG. 1 is a perspective view showing a state of use, FIG. 2 is an enlarged perspective view, and FIG. 3 is a front view of a latch. FIG. 4 is a vertical cross-sectional view of the same, FIG. 5 is a vertical cross-sectional view showing a state where the rope is hooked on the hooking tool, FIG. 6 is a cross-sectional view of the sliding handle, and FIG. It is a perspective view showing an example of. Reference numeral (1) is a rope, (2) is a hook, (2a) is a hook, (2a-1) and (2a-2) are contact parts, and (3) is a holder.

Claims (1)

[Scope of utility model registration request] 1. An evacuation rope device in which a rope is slidably hooked on a hook and the rope is hung on both hooks, and a body holder is fixed to one side of the rope. An evacuation rope device characterized in that a contact portion with which a rope slides is provided and a friction coefficient of a contact portion on a side to which a body holder is fixed is made larger than a friction coefficient of a contact portion on the other side.