JPH07328132A - Lowering speed adjustor for rope - Google Patents

Abstract

PURPOSE:To provide a lowering speed adjustor for a rope which enables the lowering of even children, old persons, ladies and the like with a very weak gripping power along a building very simply and in safety using a rope. CONSTITUTION:This apparatus is provided with a first shaft member 4 as a bending shaft of a rope 3, a winding shaft member 5 wound with the rope 3 via the first shaft member 4 with a specified eccentricity from the first shaft member 4, a second shaft member 6 which is arranged at a position almost vertical to the first shaft member 4 to act as a bending shaft of the rope 3 via the winding shaft member 5 and a cylindrical grip 8 which is pierced by the rope 3 via the second shaft member 6. Moreover, a pressing member 7 is arranged to press the rope 3 wound on the winding shaft member 5 so that the rope 3 can be pinched with the winding shaft member 5 and a grip 9 is arranged holdable together with the grip 8 to make the pressing member 7 move.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rope descent speed adjusting device, and more particularly to a rope descent speed adjusting device that can safely descend at a desired speed along an outer wall of a building. is there.

[0002]

2. Description of the Related Art Conventionally, there are various methods for emergency evacuation of a person on the second floor or above from a window or the like in case of a building fire. Usually, a fire engine arrives and uses the ladder of a ladder car,
Alternatively, an evacuation shooter or the like is used. But the simplest and simplest way is to use ropes to descend along the building.

[0003]

However, as described above, when using a rope to descend along a building,
It required a fairly powerful grip. For this reason, since children, old people, women, etc. have weak gripping power, it is extremely difficult and dangerous to drop safely along a building using ropes.

[0004] Further, when simply descending using a rope, it was not possible to descend slowly and at a stable speed. Moreover, I could not release my hands from the rope, so I could not use my hands freely during the descent operation.

Therefore, the present invention provides a rope descent speed adjusting device which enables a child, an elderly person, a woman or the like having a weak grip to drop extremely easily and safely along a building by using a rope. Is the challenge.
Another object of the present invention is to provide a rope descent speed adjusting device capable of slowly descending at a stable speed while appropriately adjusting the descent speed. Furthermore, it is an object to provide a rope descent rate adjusting device that allows the user to freely use his / her hand during the descent operation.

[0006]

A rope lowering speed adjusting device according to a first aspect of the present invention has a first shaft member serving as a bending shaft of a rope and a predetermined eccentric amount with respect to the first shaft member. And a winding shaft member around which the rope passing through the first shaft member is wound, and a second winding shaft member that is disposed at a position substantially perpendicular to the first shaft member and serves as a bending shaft of the rope passing through the winding shaft member. The rope gripped by the shaft member, the tubular grip through which the rope passing through the second shaft member penetrates, and the rope wound around the winding shaft member can be pressed, and the rope can be clamped by the winding shaft member. A pressing member and a handle that is arranged in a grippable state together with the grip and that moves the pressing member are provided. Here, although some pressing members are directly movable by the handle, they may be movable via a predetermined movable member.

According to a second aspect of the present invention, the rope lowering speed adjusting device fixes the handle of the first aspect to the grip so that the rope wound around the winding shaft member is clamped by the winding shaft member and the pressing member. It is provided with a fixing means for maintaining the state. Here, the fixing means includes a screw type and a lever type, but it is preferable that the fixing means can be easily operated with one hand.

The rope descending speed adjusting device according to the invention of claim 3 is connected to the grip of claim 1 or 2, and prevents the descender from falling down together with the stool on which the descender can sit. It is equipped with a fall prevention rope. Here, some stool and fall prevention ropes can be detachably connected to the grip.

[0009]

According to the rope lowering speed adjusting device of the present invention, the pressing member is moved by gripping the handle together with the grip, the rope wound around the winding shaft member is pressed, and the pressing member is pressed. Since the rope is sandwiched between the winding shaft member and the winding shaft member, the rope descent speed adjusting device becomes difficult to move along the rope, and by loosening the handle, the pressing member moves and is wound around the winding shaft member. The rope slides, and the rope descent speed adjusting device easily moves along the rope.

According to the rope lowering speed adjusting device of the invention of claim 2, the rope wound around the winding shaft member is clamped by the winding shaft member and the pressing member by fixing the handle to the grip by the fixing means. Since the state can be maintained, the rope descent speed adjusting device can be fixed to the rope as necessary.

According to the rope lowering speed adjusting device of the third aspect of the present invention, the lowering person is stable for the rope by sitting on the stool connected to the grip and locking the body on the fall prevention rope. The descent speed adjusting device can be operated.

[0012]

EXAMPLES Examples of the present invention will be described below.

FIG. 1 is a perspective view showing a rope lowering speed adjusting device according to a first embodiment of the present invention, and FIG. 2 is a sectional view showing the rope lowering speed adjusting device of FIG.

As shown in FIGS. 1 and 2, a main body 1 of this rope descending speed adjusting device is provided with a first shaft member 4, a winding shaft member 5, and a second shaft member 6 in a housing 2. The rope 3 is bent and inserted in a meandering state between the first shaft member 4, the winding shaft member 5, and the second shaft member 6. That is, the rope 3 inserted through the opening 2a of the housing 2 is first bent by the shaft portion 4a of the first shaft member 4 and wound around the shaft portion 5a of the winding shaft member 5 for about 3/4 round. Further, the main body 1 is bent by the second shaft member 6, is inserted through the tubular grip 8, and extends outside the main body 1.
The main body 1 is movable while the rope 3 slides on the first shaft member 4, the winding shaft member 5, and the second shaft member 6 inside. The first shaft member 4 and the second shaft member 6 are arranged in a substantially vertical position in the housing 2, and the winding shaft member 5 has a predetermined eccentric amount with respect to the first shaft member 4. ing.

Flange portions 4b are formed around both ends of the shaft portion 4a of the first shaft member 4, and the rope 3 is bent by being guided by the flange portions 4b without coming off from the shaft portion 4a. Flange portions 5b are also formed around both ends of the shaft portion 5a of the winding shaft member 5, and the rope 3 is wound around the shaft portion 5a while being guided by the flange portion 5b. The rope 3 wound around the shaft portion 5a of the winding shaft member 5 is a pressing member 7 that is rotatable around the second shaft member 6 as a fulcrum.
The pressing piece 7a is ready for pressing. The pressing member 7 is movable by operating a handle 9 that is rotatably arranged with a fulcrum shaft 10 as a fulcrum. That is, by gripping the grip portion 9b of the handle 9 and operating it in the direction of arrow C, the protrusion 9a of the handle 9 pushes the back surface of the taper portion 7b of the pressing member 7, and the pushing piece 7a pushes the rope 3. It is adapted to press in the direction of the shaft portion 5a. On the other hand, by releasing the hand from the grip portion 9b of the handle 9, the grip portion 9b
b moves in the direction of arrow D, the protrusion 9a of the handle 9 separates from the back surface of the taper portion 7b of the pressing member 7, and the pressing piece 7a
The pressed state of the rope 3 due to is released.

The rope 3 passing through the winding shaft member 5 is bent by the second shaft member 6, but since the rope 3 is inserted between the second shaft member 6 and the guide pin 7c of the pressing member 7, the rope 3 is inserted. 3 never comes off.

The housing 2 has a cylindrical grip 8
The handle 9 and the grip 8 are extended.
Are arranged so that they can be gripped. At the lower end of the grip 8, a hook portion 11 for connecting a seat and a fall-prevention rope, which will be described later, is arranged.

Further, a fixing means 12 is arranged between the grip 8 and the handle 9. This fixing means 12
When the knob 12b is rotated, the screw core 12c presses the grip 8, and the fixed arm 12a causes the handle 9 to move.
Is fixed to the grip 8. In other words, when the handle 9 is fixed by the fixing means 12, the gripping portion 9b of the handle 9 is fixed in the state of moving in the direction of the arrow C, so that the pressing piece 7a of the pressing member 7 winds the winding shaft member. The rope 3 wound around the shaft portion 5a of No. 5 is kept pressed by the shaft portion 5a.

Now, a method of using the rope descending speed adjusting apparatus of this embodiment will be described. This rope descent rate adjusting device is usually used in a state in which a stool and a fall prevention rope are connected to a grip. FIG. 3 is a perspective view showing a rope descent rate adjusting device in which a grip is connected with a stool and a fall prevention rope, and FIG. 4 is a side view showing a usage state of the rope descent rate adjusting device of FIG.

As shown in FIG. 3, a rope 14 is connected to a hook portion 11 arranged at the lower end of the grip 8 of the main body 1 via a connecting tool 16, and the lower end of the rope 14 is seated on the seat 1.
Connected to the hooks 13a and 13b of No. 3,
The fall prevention rope 15 is connected to the connector 16. That is, the stool 13 and the rope 14 are connected to the main body 1. In addition, the upper end of the rope 3 inserted in the main body 1 is connected to the connecting tool 1 installed in the building 18 via the hanging metal fitting 17.
Connect to 9 etc.

After this state, as shown in FIG. 4, the descender sits down on a stool 13, wraps the fall-prevention rope 15 around his body, and grips the grip 8 and the handle 9 of the main body 1. , The handle 9 is appropriately operated to perform the descending operation at a desired descending speed. The weight of the descendant is 1
Is supported by the rope 3 via the handle 9
When is loosened, the main body 1 easily moves along the rope 3, and the descending speed of the main body 1 and the descendant increases. On the other hand, by firmly gripping the handle 9 toward the front, the rope 3 wound around the shaft portion 5a of the winding shaft member 5 in the main body 1 is moved to the pressing piece 7a of the pressing member 7 and the shaft portion 5a of the winding shaft member 5. Since it is sandwiched by and, the main body 1 becomes difficult to move along the rope 3, and the lowering speed of the main body 1 and the descendant decreases. In particular,
By firmly tightening the handle 9, the rope descent speed adjusting device is fixed to the rope 3 and the descent can be stopped. In order to maintain this stopped state, the above-mentioned fixing means 1
The handle 9 may be fixed to the grip 8 by the fixed arm 12a by turning the second knob 12b.

As described above, the rope descending speed adjusting apparatus of this embodiment includes the first shaft member 4 serving as the bending axis of the rope 3.
A winding shaft member 5 having a predetermined eccentricity amount with respect to the first shaft member 4, around which the rope 3 passing through the first shaft member 4 is wound about 3/4 round, and the first shaft member 4. A second shaft member 6 which is disposed at a position substantially perpendicular to the second shaft member 6 and serves as a bending axis of the rope 3 passing through the winding shaft member 5, and a cylindrical shape in which the rope 3 passing through the second shaft member 6 penetrates the inside. A grip 8 and a pressing member 7 that presses the rope 3 wound around the winding shaft member 5 so that the rope 3 can be held by the winding shaft member 5.
The grip 8 is arranged so that it can be held together with the grip 8, and the grip 8 for moving the pressing member 7 is provided.

Therefore, by gripping the handle 9 together with the grip 8, the pressing member 7 is moved, and the rope 3 wound around the winding shaft member 5 is pressed against the shaft portion 5a,
Since the rope 3 can be held between the pressing member 7 and the winding shaft member 5, the rope descent speed adjusting device becomes difficult to move along the rope 3, and by loosening the handle 9, the pressing member 7 moves and winds. The rope 3 wound around the hanging shaft member 5 slides, and the descent speed adjusting device for the rope is the rope 3.
It becomes easy to move along. In this way, by appropriately operating the handle 9, the descending speed can be freely adjusted.

Therefore, when the rope 3 is used to descend along a building, a weaker gripping force is required than when only the rope 3 is used, so that even a child, an old person, a woman or the like having a weaker gripping force can use it. Therefore, it is possible to easily and safely descend at a desired speed while appropriately adjusting the descending speed.

In particular, in this embodiment, the handle 9 is fixed to the grip 8 so that the rope 3 wound around the winding shaft member 5 can be held by the winding shaft member 5 and the pressing member 7 in a fixed state. The fixing means 12 including the arm 12a, the knob 12b, and the screw core 12c is provided.

Therefore, by fixing the handle 9 to the grip 8 with the fixing means 12, the state in which the rope 3 wound around the winding shaft member 5 is held by the winding shaft member 5 and the pressing member 7 can be maintained. The rope descending speed adjusting device can be fixed to the rope 3. Therefore, it is possible to stop the descent operation and release both hands as needed during the descent operation, and both hands can be used freely.

Although the fixing means 12 is of the screw type in this embodiment, it may be of a lever type which can be easily fixed by operating the lever. However, one that can be easily operated with one hand is preferable.

Further, in this embodiment, there are provided a stool 13 which is connected to the grip 8 and on which a descender can sit, and a fall-prevention rope 15 for preventing the descender from falling down together with the stool 13. Therefore, by sitting on the seat 13 connected to the grip 8 and locking the body to the fall-prevention rope 15, the descender can easily operate the rope descending speed adjusting device in a stable state. , The descent operation can be performed extremely safely.

Next, another embodiment of the rope lowering speed adjusting device will be described. FIG. 5 is a sectional view showing a rope lowering speed adjusting device according to a second embodiment of the present invention.
In the figure, the same reference numerals as those used in the first embodiment denote the same or corresponding components as those used in the first embodiment.

As shown in FIG. 5, the rope descending speed adjusting apparatus of this embodiment reduces the radius of the winding shaft member 5 and the length of the handle 9 to reduce the size of the main body 1. It is a thing. Moreover, the protrusion 9a of the handle 9
The structure is such that the slider 20 is pressed by the protrusion 9a of the handle 9 and the taper portion 7b of the pressing member 7 is pressed via the slider 20. The slider 20 is biased to the left in the figure by a spring 21, and when the hand is released from the grip portion 9b of the handle 9, the pressing piece 7a of the pressing member 7 is separated from the rope 3. On the other hand, by gripping the protrusion 9a of the handle 9, the protrusion 9a of the handle 9 presses the slider 20, and the slider 20 moves rightward in the drawing against the biasing force of the spring 21. The taper portion 7b of 7 is pushed up. Further, the tip end of the pressing piece 7a of the pressing member 7 has a curved shape along the shaft portion 5a of the winding shaft member 5 in order to increase the pressing area of the rope 3.

FIG. 6 is a sectional view showing a descending speed adjusting device for a rope which is a third embodiment of the present invention. In the figure, the same reference numerals as those of the first and second embodiments denote the same or corresponding components as those of the first and second embodiments.

As shown in FIG. 6, also in the rope lowering speed adjusting apparatus of this embodiment, the radius of the winding shaft member 5 is made small, and the flange portion 4b of the first shaft member 4 is eliminated so that the main body 1 has the same structure. This is a miniaturization. The other structure is substantially the same as that of the first embodiment.

Also in the rope descending speed adjusting apparatus of the second and third embodiments as described above, the hooking portion 11 arranged at the lower end of the grip 8 of the main body 1 is connected to the hooking portion 11 via the connecting tool 16. The rope 14 is connected, and the tip of the rope 14 is connected to the hooks 13 a and 13 b of the stool 13 and the connection tool 16 is connected to the fall prevention rope 15. Therefore, as shown in FIG. 4, the descender sits on the stool 13 and winds the fall-prevention rope 15 around the body, holds the grip 8 and the handle 9 of the main body 1, and holds the handle 9
It is possible to perform the descending operation at a desired descending speed by appropriately operating. Since the method of using this rope descent rate adjusting device is the same as that of the above-mentioned first embodiment, detailed description thereof is omitted here.

As described above, the rope lowering speed adjusting devices of the second and third embodiments are also similar to those of the first embodiment.
A first shaft member 4 which is a bending axis of the rope 3, and a predetermined eccentric amount with respect to the first shaft member 4, and the rope 3 passing through the first shaft member 4 is wound around about 2/3 round. And a second shaft member 6 disposed at a position substantially perpendicular to the first shaft member 4 and serving as a bending shaft of the rope 3 passing through the winding shaft member 5, and the second shaft. Pressing the tubular grip 8 through which the rope 3 passing through the member 6 penetrates, and the rope 3 wound around the winding shaft member 5 so that the rope 3 can be clamped by the winding shaft member 5. The pressing member 7 is disposed so that it can be held together with the member 7 and the grip 8.
And a grip 8 for moving the.

Therefore, similarly to the first embodiment, by gripping the handle 9 together with the grip 8, the rope descent speed adjusting device becomes difficult to move along the rope 3 and the handle 9 is loosened. Since the rope descent speed adjusting device can easily move along the rope 3, it is possible to descend at a desired speed while appropriately adjusting the descent speed. As a result, children with weak grip, old people,
Even a woman or the like can drop along the building using the rope 3 very easily and safely.

By sitting on the seat 13 connected to the grip 8 and locking the body to the fall-prevention rope 15, the descender can easily operate the rope descending speed adjusting device in a stable state. Since the descent speed can be adjusted appropriately and the descent can be done slowly and stably, the safety is extremely high.

Although the fixing means 12 is omitted in FIGS. 5 and 6, if the fixing means 12 is provided, the handle 9 is naturally fixed to the grip 8 by the fixing means 12. This makes it possible to maintain the state in which the rope 3 wound around the winding shaft member 5 is sandwiched between the winding shaft member 5 and the pressing member 7, so that the rope descent speed adjusting device can be fixed to the rope 3. Therefore, like the first embodiment, both hands can be released during the descending operation as needed, and both hands can be used freely.

In the above description, the rope descent speed adjusting device is used with the A side of the rope 3 facing upward and the B side facing downward, but conversely, with the A side facing downward,
It can also be used with the B side facing up. That is, it is possible to fix the rope descent speed adjusting device to a building or the like, move the rope 3, and adjust the moving speed of the rope 3. In this case, the stool 13 and the fall-prevention rope 15 are connected to the rope 3 and another person appropriately operates the handle 9 at the top of the building to adjust the descending speed of the descendant.

Further, if a shackle or the like which can be connected and disconnected with one touch is used as the hanging metal fitting 17 and the connecting tool 16, the attaching / detaching operation can be performed very easily, so that the descending operation can be performed quickly in an emergency. Can be done.

In the above description, the case where the rope descending speed adjusting device is used to descend along a building during an emergency evacuation or the like has been described. It can be used not only when descending along a slope from, but also when dropping luggage along a building.

[0041]

As described above, according to the rope descending speed adjusting device of the first aspect of the present invention, the rope descending speed adjusting device becomes difficult to move along the rope by gripping the handle together with the grip. By loosening the handle, the rope descent speed adjustment device can easily move along the rope, so the descent speed can be adjusted appropriately, and even for children, elderly people, women, etc. with weak grip strength, it is extremely easy to
Moreover, you can safely use the rope to descend along the building.

In the rope descending speed adjusting device according to the second aspect of the present invention, the rope can be fixed to the rope descending speed adjusting device by fixing the handle to the grip by the fixing means. You can let go and use your hands freely.

In the rope lowering speed adjusting device of the third aspect of the present invention, the rope lowering speed can be stably maintained by the person descending by sitting on the stool connected to the grip and locking the body to the fall prevention rope. Since the adjusting device can be operated easily,
The descent operation can be performed extremely safely.

[Brief description of drawings]

FIG. 1 is a perspective view showing a rope lowering speed adjusting device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the rope descent rate adjusting device of FIG.

FIG. 3 is a perspective view showing a rope descent rate adjusting device in which a grip is connected with a stool and a fall prevention rope.

FIG. 4 is a side view showing a usage state of the rope lowering speed adjusting device of FIG. 3;

FIG. 5 is a cross-sectional view showing a rope lowering speed adjusting device according to a second embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a rope lowering speed adjusting device according to a third embodiment of the present invention.

[Explanation of symbols]

 1 Main Body 2 Housing 3 Rope 4 First Shaft Member 5 Winding Shaft Member 6 Second Shaft Member 7 Pushing Member 8 Grip 9 Handle 11 Hooking Part 12 Fixing Means 13 Seating 15 Fall Prevention Rope 16 Connecting Tool 17 Hanging Metal Fitting 18 Building 19 Connection Tool 20 slider

Claims (3)

[Claims] 1. A first shaft member serving as a bending shaft of a rope; and a first eccentric member having a predetermined eccentric amount with respect to the first shaft member.
A winding shaft member around which the rope that passes through the shaft member is wound; a second shaft member that is disposed at a position substantially perpendicular to the first shaft member and serves as a bending axis of the rope that passes through the winding shaft member; A tubular grip through which a rope passing through a second shaft member penetrates; a pressing member that presses the rope wound around the winding shaft member and that can clamp the rope with the winding shaft member; A descent speed adjusting device for a rope, comprising: a handle, which is arranged so as to be graspable together with a grip, and which moves the pressing member. 2. A fixing means for fixing the handle to a grip to maintain a state in which a rope wound around the winding shaft member is held between the winding shaft member and the pressing member. The descending speed adjusting device for a rope according to claim 1. 3. A stool that is connected to the grip and allows a descender to sit down, and a fall-prevention rope that is locked to the body of the descender to prevent falls.
Alternatively, the rope descent rate adjusting device according to claim 2.