JP2013218089A - Wire stopper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire stopper which prevents pulling accidents of a cable and other wires, has a simple constitution, is easy to operate, and is widely applicable to various wires.SOLUTION: A wire stopper 4 is arranged in the front of a front end E along a wire end part D and has a groove part 5 through which the wire end part D is inserted, and the groove part 5 has a curve 6 formed therein. When tension instantaneously acts on the wire end part D, a brake force is generated at once by contact friction between the curve 6 of the groove part 5 in the stopper 4 and the wire end part D, and thereby the wire end part D is locked by the stopper 4 due to suppression of tension acting on the wire end part D. In a normal state where tension does not instantaneously act on the wire end part D, the wire end part D can be freely inserted to, extracted from, and moved through the groove part 5 of the stopper 4.

Description

  The present invention relates to a wire stopper. For example, the present invention relates to a cable stopper for preventing a cable pulling accident and a wire stopper for preventing other wire pulling accidents.

《Technical background》
For example, cables are connected to various devices by connectors, but the ends of cables connected in this way are pulled by unexpectedly excessive external force for some reason, and the tension is instantaneously applied. May work.
In many cases, cable tension accidents occur based on such tension, which has been a problem.
For example, accidents such as breakage, disconnection, or disconnection of the connector part at the front end have been started. Along with this, power loss accidents due to power cable disconnection, communication interruption accidents due to communication cable disconnection, damage to the chassis near the device side connector, It has been pointed out that a cable pulling accident such as a damage accident, and further, a breakage, damage, failure accident, etc. of expensive equipment itself occurs.
For example, modular jacks frequently used for telephone lines and LANs, and connectors (SC, LC) used for optical fibers are often made of resin with low durability, and accidents such as breakage, dropout, and dropout occur. There are many reports.

<Conventional technology>
Conventionally, for example, the following countermeasures have been adopted as countermeasures against such cable pulling accidents.
First, as shown in FIG. 5 (1), the cable clamp 1 was used. That is, the end B of the cable A and a necessary part in the middle are inserted and held in the cable clamp 1, and the cable clamp 1 is fixed to the chassis of the device with screws.
Further, as shown in FIG. 5 (2), the binding band 2 was also used. That is, the end portion B of the cable A and the middle part of the cable A are inserted and held in the binding band 2, and the binding band 2 is fixed to the chassis of the device or the like via the attachment member 3 by screwing or welding. .
Further, a sturdy metal connector with a lock has been used. For example, with respect to a metal connector on the cable side and a metal connector on the equipment side, corresponding male and female screws are screwed, and the two are screwed together.
In addition, the connector on the device side and the receiving side provided with a means for preventing disconnection has been used. For example, after connecting the cable-side connector, the disconnection preventing means attached to the device-side connector is rotated to the lock position, and the two are fixedly connected.

"problem"
By the way, such a conventional technique has been pointed out to be difficult in terms of use, operation, work and structure.
That is, the conventional technique using the cable clamp 1 and the binding band 2 has been pointed out that it is not easy to attach / remove the cable end B, and to insert / remove it, and is troublesome and troublesome.
Furthermore, it was pointed out that the cable clamp 1 and the binding band 2 screw fixing work and welding fixing work are troublesome and time-consuming.
In addition, it has been pointed out that a connector with a lock and a connector with a means for preventing disconnection are troublesome because it is troublesome to attach and detach the cable end B, and to insert and remove it.
Further, it has been pointed out that the screws screwed into the connector, the disconnection preventing means attached to the connector, etc., are likely to break down and be damaged with use.

<< About the present invention >>
In view of such a situation, the wire stopper of the present invention has been made to solve the above-described problems of the prior art.
In the present invention, firstly, cable and other wire pulling accidents are prevented, secondly, the structure is simple, thirdly, the operation is easy, fourthly, and various wires are used. The purpose is to propose a widely applicable wire stopper.

<About each claim>
The technical means of the present invention for solving such a problem is as follows, as described in the claims.
About Claim 1, it is as follows.
The wire stopper according to the first aspect of the present invention is disposed adjacent to the front end of the wire end portion, thereby suppressing the tension acting on the wire end portion and preventing a wire pulling accident. And this stopper is provided with the groove part by which this wire end part is penetrated, and the curve is formed in this groove part, It is characterized by the above-mentioned.
About Claim 2, it is as follows.
In the wire stopper according to claim 2, when a tension is instantaneously applied to the wire end portion according to claim 1, a braking force is instantaneously generated by the curve of the groove portion of the stopper and the contact friction between the wire end portions. Thus, the wire end portion is locked and locked to the stopper while the acting tension is suppressed.
On the other hand, when the tension does not instantaneously act on the end of the wire, the end of the wire can freely move in and out of the groove of the stopper, and is characterized in that it can be moved through.

About Claim 3, it is as follows.
A wire stopper according to a third aspect is characterized in that, in the second aspect, the wire is a cable, and a connector is provided at the tip of the end of the wire and is connected to the device.
About Claim 4, it is as follows.
The wire stopper according to claim 4 is characterized in that, in claim 2, the curve of the groove portion of the stopper is at least substantially S-shaped.
About Claim 5, it is as follows.
In a wire stopper according to a fifth aspect of the present invention, in the second aspect of the present invention, the wire end portion includes a surplus portion such as a loop or a bundle before the tip. The stopper is disposed in front of the surplus portion, and is characterized in that the instantaneous tension acting on the end portion of the wire is suppressed to prevent the surplus portion from being fed out.

About Claim 6, it is as follows.
The wire stopper according to claim 6 is the wire stopper according to claim 3, 4 or 5, wherein the stopper is a base block portion attached to a chassis on the equipment side, and a pair of corner block portions on the outer surface side of the base block portion; It is made up of.
And the bottom of this groove part is formed in this base block part, and the side wall of this groove part is formed in both this corner block part, It is characterized by the above-mentioned.
About Claim 7, it is as follows.
In a wire stopper according to a seventh aspect, in the sixth aspect, both the corner block portions have a flat plate shape. The corner block portion on one side is fixed to the base block portion having a flat plate shape. The corner block portion on the other side is attached to the base block portion with a shaft, and can swing about the shaft as a fulcrum.
Accordingly, the corner block portion on the other side can be displaced to a standard position and an unevenly distributed position with respect to the corner block portion on the one side by swinging.
In the standard position, the groove portion having a substantially uniform width is formed, whereas in the uneven position, the groove portion having a wide and narrow non-uniform width is formed, and the wire end portion is sandwiched and locked in a narrower direction. It is characterized by that.
About Claim 8, it is as follows.
The wire stopper according to an eighth aspect is characterized in that, in the seventh aspect, the positioning means to the standard position is provided between the corner block portion and the base block portion on the other side.

<About the action>
Since the present invention comprises such means, the following is achieved.
(1) The stopper is attached to the end of the wire by inserting the end of the wire through the groove.
(2) The stopper is typically composed of a base block portion and a pair of corner block portions. And when a corner block part can rock | fluctuate, if the groove width of a groove part is positioned in the substantially uniform width | variety with a positioning means, the above-mentioned insertion will become smooth.
(3) Now, the wire end inserted into the groove portion of the stopper can be freely inserted and removed and passed through the groove portion at any time when no instantaneous tension is applied.
(4) On the other hand, when an excessive external force is applied to the wire and an instantaneous tension acts on the wire end, the wire end comes into contact with the curve of the groove of the stopper and is strongly pressed, so that a large frictional force is generated. Occurs and the braking force is generated instantaneously. In addition to this, when the end portion of the wire is sandwiched on the groove inlet side, a stronger braking force is generated.
(5) Since the end of the wire is locked by the stopper in this way, a wire pulling accident is prevented.
(6) When the wire end portion has a surplus portion such as a loop in front of the tip end, the feeding accident is also prevented.
(7) By the way, this stopper has a basic configuration including a groove portion formed with a curve, and the configuration is simple.
(8) The stopper is easy to operate, for example, the attachment operation is completed simply by inserting the wire end portion through the groove portion, and the detaching operation is merely inserted and removed from the groove portion.
(9) Furthermore, this stopper can be used for various wire ends simply by preparing a groove with a groove width and depth corresponding to the diameter of the wire end to be used. is there. Therefore, it can be applied to a wide variety of wire ends, including cable ends.
(10) Now, the wire stopper of the present invention exhibits the following effects.

<< First effect >>
First, cable and other wire pulling accidents are prevented. That is, in the wire stopper of the present invention, when an instantaneous tension is applied to a wire end such as a cable end, a braking force is instantaneously generated and the wire end is locked.
Therefore, a wire pulling accident is prevented in advance. For cables connected to equipment etc., cable pulling accidents are prevented.
For example, with regard to cables, connector accidents such as breakage, dropout, or dropout, accompanying power loss due to power cable drop, communication interruption due to communication cable drop, or damage or damage to the chassis near the connector on the device side Accidents and cable tension accidents such as damage to, damage to, and breakdown of expensive equipment are prevented.
If an excessive tension is applied, the cable may be broken, but a cable pulling accident is prevented. In addition, it is possible to prevent accidents such as damage to telephone lines and LAN modular jacks, and cable pulling accidents such as damage, dropout, and dropout of optical fiber connectors (SC, LC).
Further, as a part of a wire pulling accident such as a cable pulling accident, an excessive payout accident is also prevented. In other words, if the cable end or other wire end has an excess portion such as a loop or a bundle in front of the tip, an accident that the excess portion is extended based on the locking lock by the wire stopper is prevented. The

<< Second effect >>
Secondly, the configuration is simple, the cost is excellent, and there is no risk of failure. That is, the wire stopper of the present invention has a basic configuration including a groove portion in which a curve is formed, and typically includes a configuration including a base block portion and a pair of corner block portions. Furthermore, the structure which attached the other corner block part to the base block part with the axis | shaft can be considered.
Thus, this wire stopper has a simple configuration. It does not use screws, springs, power supplies, etc., and does not require a complicated configuration.
Therefore, the manufacturing cost is low, and there is no risk of breakdown or damage during use. For example, unlike the above-described conventional connectors with locks and connectors with disconnection preventing means, malfunctions and damages do not occur frequently with use.
Further, it is easy to reduce the size and size, and can be used for handy cameras, shoulder cameras, and other portable devices without being obstructed.

《Third effect》
Third, operation is also easy. That is, the wire stopper according to the present invention has a simple configuration as described above, and the attachment operation is completed simply by inserting the wire end portion into the groove portion, and the removal operation may be performed only by inserting / removing the cable end portion.
Thus, the operation is easy in use, and the wire end can be easily inserted and removed. Compared to the above-mentioned conventional technologies such as cable clamps, cable ties, connectors with locks, connectors with disconnection prevention means, etc., the mounting / removal operation and the insertion / removal operation are simple and easy, and no troublesome work is required. The annoyance is reduced.

<< 4th effect >>
Fourth, it can be widely applied to various wires. That is, the wire stopper of the present invention can be widely applied to various types of wires regardless of the type of wires by adopting a groove portion corresponding to the wire to be used. For example, cables and other electric wires, metal wires, wires, ropes, ropes, strings, and other various wires can be used.
As described above, the effects exerted by the present invention are remarkably large, such as all the problems existing in this type of prior art are solved.

About the wire stopper which concerns on this invention, it uses for description of the form for inventing, (1) FIG., (2) figure is a perspective view of a 1st example. And (1) figure shows the state where the cable is not inserted, and (2) figure shows the state where the cable is inserted. (3) The figure shows a reference example not belonging to the present invention, and shows a state where a cable is inserted. It uses for description of the form for implementing this invention, (1) FIG., (2) figure is a perspective view of a 2nd example, and shows the state by which the cable is not inserted. And (1) figure shows the case where a corner block exists in a standard position, and (2) figure shows the case where it exists in an uneven distribution position. FIGS. (3) and (4) are plan views of the second example, showing a state where a cable is inserted. (3) shows the case where the corner block is at the standard position, and (4) shows the case where the corner block is at the uneven position. For the description of the embodiment for carrying out the invention, a third example having positioning means for the standard position is shown. FIGS. (1) and (2) show the positioning state, (1) is a cross-sectional view of the main part, and (2) is a vertical cross-sectional view of the main part. FIGS. (3) and (4) show the positioning release state, (3) is a cross-sectional view of the main part, and (4) is a vertical cross-sectional view of the main part. It uses for description of the form for implementing the invention, and shows another example, (1) FIG. 2 is a side explanatory view of the fourth example, and (2) FIG. 2 is a front explanatory view of the fifth example. For the explanation of this type of conventional example, (1) the figure shows the cable clamp and (2) the figure shows the binding band.

Hereinafter, embodiments for carrying out the present invention will be described in detail.
<< Outline of the Invention >>
First, the outline of the wire stopper 4 of the present invention (hereinafter simply referred to as the stopper 4) will be described with reference to FIGS.
The stopper 4 is disposed in front of the tip E with respect to the cable end B of the cable A and the wire end D of the other wires C. Therefore, the tension | tensile_strength which acts on the wire end part D is suppressed, and a wire tension accident is prevented.
The stopper 4 includes a groove portion 5 through which the wire end portion D is inserted, and a curved portion 6 is formed in the groove portion 5.
Therefore, when a tension is instantaneously applied to the wire end D, a braking force is instantaneously generated by contact friction between the curve 6 of the groove 5 of the stopper 4 and the wire end D. Thus, the wire end portion D is locked to the stopper 4 while the acting tension is suppressed.
On the other hand, when the tension does not instantaneously act on the wire end portion D, the wire end portion D can be freely inserted and removed through the groove portion 5 of the stopper 4 and moved.
The outline of the present invention is as described above. The present invention will be described in detail below.

<About wire C>
First, with reference to FIG. 1 and FIG. 2, the wire C which is the object of use of the stopper 4 of the present invention will be described.
The illustrated wire C includes a cable A such as an optical fiber cable, various other communication cables, a power cable, and the like. And the connector F is provided in the front-end | tip E of the cable end part B, and is connected to the connector by the side of an apparatus (not shown).
However, the wire C to be used by the present invention is not limited to the illustrated cable A, and other various wires C can also be used. For example, a wire other than the cable A, a metal wire, a wire, a metal rope, a hemp rope, a rope made of other materials, a rope, a string, and the like are also included in the term of the wire C in this specification. The
In the following, the cable A and the cable end B will be described as objects of use based on the illustrated example, but, of course, the other various wires C and the wire end D are similarly used and similarly applied.
About wire C, it is as above.

<< About groove part 5 >>
Next, the groove 5 of the stopper 4 will be described with reference to FIGS. The stopper 4 is provided with a groove portion 5 through which the cable end B is inserted, and a round curve, that is, a curve 6 is formed in the groove portion 5.
Although the curve 6 in the illustrated example is substantially S-shaped and is formed as a whole with respect to the groove portion 5, the shape of the groove portion 5 and the location where the curve 6 is formed can be various in addition to the illustrated example. is there.
For example, the shape of the groove 5 such as a substantially U shape, a V shape, a W shape, a concavo-convex shape (a crank shape), a triangular wave shape (a zigzag shape), and the like are possible. Moreover, the case where the curve 6 is also formed partially only at the turning point is considered together with the case where the groove 5 is formed as a whole.
In the illustrated example, two curves 6 are formed for the groove 5, but one or more curves 6 may be formed for the groove 5. As the number of the curves 6 increases, the braking force on the cable end B is improved, but the setting operation and the insertion / extraction operation on the groove 5 of the cable end B are complicated.
Regarding the allowable bending radius of the curvature 6 of the groove portion 5, for example, the hardness, flexibility, bending strength of the cable A to be used, the attenuation of the transmission signal in the case of the signal transmission cable A, and the like are considered. Be careful not to pass too much.

The groove width of the groove 5 is as follows. The groove width may be a value that exceeds the diameter dimension of the cable A to be used, and is set to a groove width that is, for example, about 1.5 times the diameter dimension, not shown. As the groove width becomes wider than the diameter, the time until the braking force is generated is delayed, but this is only a problem of less than 1 second.
The groove depth of the groove portion 5 is also set to a slightly deeper groove depth such as 1.5 to 2 times the diameter, for example, in accordance with the groove width described above.
The length distance dimension of the groove 5 can be freely set, but the longer the time, the longer it takes to attach and remove the cable end B to the groove 5.
About the groove part 5, it is as above.

<< About the first example >>
Next, a first example of the stopper 4 of the present invention will be described with reference to FIG. The stopper 4 of the first example includes a base block 7 attached to a chassis on the equipment side, and a pair of corner blocks 8 and 9 on the outer surface side of the base block 7, and these are integrally formed.
The base block 7 forms the bottom wall of the groove 5, and the corner blocks 8 and 9 form the side wall of the groove 5.
Such a first example will be further described in detail. First, the stopper 4 is made of metal, resin, or other material, and one surface (for example, the lower surface) of the substantially flat base block 7 is fixedly or movably attached to the chassis on the device side to be used. It is done.
A pair of corner blocks 8 and 9 are integrally formed on the other surface (for example, the upper surface) of the base block 7. There is a gap between the corner block 8 on one side and the corner block 9 on the other side, and this gap becomes the groove 5.

In the stopper 4 of the first example as described above, when an instantaneous tension acts on the cable end portion B inserted through the groove portion 5, the following occurs.
First, as shown in FIG. 1 (2), the cable end B is pulled in the direction indicated by the arrow and moved slightly in the lateral width direction, so that the two curves 6 (on one side of the groove 5 of the stopper 4). The curve 6 formed by the corner block 8 and the curve 6) formed by the other corner block 9 are brought into contact.
Then, the cable end B is strongly pressed against both the curves 6, so that a large frictional force is generated between the cable end B and both the curves 6, and a braking force is generated instantaneously. Therefore, the cable end B is restrained and locked to the stopper 4 by suppressing the applied instantaneous tension.
On the other hand, the cable end B can be moved by passing through the groove portion 5 of the stopper 4 at a time when no instantaneous tension is applied to the cable end B. For example, even when the tension acts gently rather than instantaneously, the cable end portion B can freely pass through the groove portion 5 and pass through.
FIG. 1 (3) shows the groove 10 ′ of Reference Example 10 in which the curve 6 as in the stopper 4 of the present invention is not formed.
The groove portion 10 ′ of the reference example 10 is linear, and even when an instantaneous tension is applied to the cable end B, no braking force is generated as in the present invention, and the tension is applied gently. Similarly, the cable end B passes through the groove 10 'and passes through.
As for the first example, it is as described above.

<< About the second example >>
Next, a second example of the stopper 4 of the present invention will be described with reference to FIG. Similarly to the first example described above, the stopper 4 of the second example also includes a base block 7 and a pair of corner blocks 8, 9, but the relationship between the base block 7 and the corner block 9 on the other side is as follows. This is different from the first example.
That is, in the stopper 4 of the second example, both the corner blocks 8 and 9 have a flat plate shape, the corner block 8 on one side is fixed to the base block 7 having a flat plate shape, and the corner block on the other side. 9 is attached to the base block 7 with a shaft 11 and can swing about the shaft 11 as a fulcrum.
Therefore, the corner block 9 on the other side can be displaced to the standard position G and the unevenly distributed position H with respect to the corner block 8 on the one side by swinging. At the standard position G, the groove portion 5 having a substantially uniform groove width is formed, whereas at the uneven position H, the groove portion 5 having a wide and narrow non-uniform groove width is formed and the cable end B is sandwiched and locked at the narrower side. It can be locked.

The stopper 4 of the second example will be further described in detail. First, the flat base block 7 and the corner block 8 on one side are the same as those described above for the first example. The base block 7 and the corner block 8 on one side may be integrally molded, and in this specification, the integral molding is included in the meaning of fixing.
On the other hand, the other corner block 9 having a flat plate shape is attached to the other surface of the base block 7 (one surface is attached to the chassis on the equipment side) by the shaft 11 and is slidable. It is in sliding contact.
The mounting position of the shaft 11 is closer to the inlet side 12 of the groove portion 5 in the illustrated example because of the relationship with the pinching lock of the cable end B, but closer to the outlet side 13 of the groove portion 5 regardless of the illustrated example. However, it is possible, and an intermediate position between the inlet side 12 and the outlet side 13 is also possible.

As described above, the corner block 9 on the other side forms the side wall of the groove portion 5 together with the corner block 8 on the one side. Then, it can slide on the base block 7 by swinging with the shaft 11 as a fulcrum, and can be displaced to the standard position G and the uneven position H with respect to the corner block 8 on one side.
In the standard position G shown in FIGS. 2 (1) and 2 (3), the groove width of the groove portion 5 is substantially equalized from the inlet side 12 to the outlet side 13. On the other hand, at the unevenly distributed position H shown in FIGS. 2 (2) and 2 (4), the groove width of the groove portion 5 is contradictory from the inlet side 12 to the outlet side 13 and becomes wide and narrow. In the illustrated example, the inlet side 12 is narrowed and the outlet side 13 is widened.
Therefore, when the cable end portion B is inserted through the groove portion 5, the cable end portion B can be pinched and locked in a narrower direction (see FIG. 2 (4)).

In the stopper 4 of the second example as described above, when an instantaneous tension is applied to the cable end portion B inserted through the groove portion 5, the following occurs.
First, the cable end portion B is pulled and moved slightly in the lateral width direction, so that both the curved portions 6 of the groove portion 5 of the stopper 4 (the curved portion 6 formed by the corner block 8 on one side and the corner block 9 on the other side). The curve 6) formed in this way comes into contact.
Then, the cable end B is strongly pressed against both the curves 6, and thus a large frictional force is generated between the cable end B and both the curves 6, and a braking force is instantly generated (this point is Same as the first example described above).
At the same time, the cable end B in contact with the curve 6 of the other corner block 9, that is, the cable end B in contact with the curve 6 on the outlet side 13 of the groove 5 pushes the corner block 9. Therefore, the corner block 9 swings counterclockwise about the shaft 11 as a fulcrum.
Accordingly, as shown in FIG. 2 (4), the groove width of the groove portion 5 becomes wide and narrow. That is, on the inlet side 12 of the groove portion 5, the other corner block 9, which has taken an uneven position H by swinging, approaches the one corner block 8 and becomes narrower at the inlet side 12. Part B is sandwiched.

Thus, in the stopper 4 of the second example, when an instantaneous tension acts on the cable end B, in addition to the braking force due to the contact friction with the curve 6 (the braking force similar to the first example described above), A strong braking force (a stronger braking force than the braking force of the first example) is obtained by adding the trapped portion. Accordingly, the cable end B is more effectively locked and locked.
On the other hand, the cable end B can be moved by passing through the groove portion 5 of the stopper 4 at a time when no instantaneous tension is applied to the cable end B. Similarly, when the tension acts gently, the cable end B can freely pass through the groove 5 (this is the same as in the case of the first example described above).
As for the second example, it is as described above.

<< About the third example >>
Next, a third example of the stopper 4 of the present invention will be described with reference to FIG. In the stopper 4 of the third example, in addition to the configuration of the stopper 4 of the second example described above, the positioning means 14 for the standard position G is provided between the corner block 9 and the base block 7 on the other side. It is provided at a position away from the mounting position.
The positioning means 14 of the third example will be further described in detail. The positioning means 14 in the illustrated example includes the following vertical hole 15, spring 16, sphere 17, structure 18, recess 19, and the like.
That is, a vertical hole 15 provided on the surface of the base block 7 facing the corner block 9 on the other side, a spring 16 inserted into the vertical hole 15 in a resiliently compressed state, and a sphere attached to the tip of the spring 16 17, a lateral groove 18 provided on the opposite surface of the other corner block 9 to the base block 7, and a positioning recess 19 provided continuously to the lateral groove 18.
Then, as the corner block 9 on the other side swings, the sphere 17 on the base block 7 side is movable within the lateral groove 18 on the corner block 9 side. Therefore, it can be displaced between the positioning state shown in FIGS. 3 (1) and 3 (2) and the positioning release state shown in FIGS. 3 (3) and 4 (4).

First, in the positioning state shown in FIGS. 3A and 3B, the sphere 17 on the base block 7 side is fitted into the positioning recess 19 on the corner block 9 side and is loosely locked.
Along with this, the corner block 9 is positioned with respect to the base block 7 at the standard position G, and by this positioning, the groove width of the groove portion 5 is maintained at a substantially uniform width.
On the other hand, in the positioning release state shown in FIGS. 3 (3) and 4 (4), the sphere 17 moves freely in the lateral groove 18 in a free state without being inserted into the positioning recess 19. It becomes possible.
In accordance with such a positioning release state, the corner block 9 can freely swing with respect to the base block 7 with the shaft 11 as a fulcrum. That is, the corner block 9 can swing freely between the standard position G and the uneven position H.

Setting of the positioning means 14 between the positioning state and the positioning release state is performed by moving the corner block 9 by manual operation. The positioning state is used at the time of setting, that is, at the time of attachment operation in which the cable end B is inserted through the groove 5 of the stopper 4.
That is, at the time of setting, if the groove width of the groove portion 5 is wide and uneven, that is, if the corner block 9 on the other side takes the uneven position H, the cable end B is smoothly inserted into the groove portion 5. It is expected to disappear.
On the other hand, if the groove widths of the groove portions 5 are set to a substantially uniform positioning state, that is, if the corner block 9 is held at the standard position G, the setup becomes smooth.
Of course, the stopper 4 can exhibit its original locking action by setting the positioning release state after setting.
As for the third example, it is as described above.

<< When loop J etc. exist >>
Next, the case where the surplus portion K such as the loop J exists will be described with reference to FIG.
The cable end B is often provided with a surplus portion K such as a loop J or a bundle, for example, as a stock or a spare, before the connector F at the tip. Of course, not only the first example shown in FIG. 1 (2) but also the cable end B of the second example shown in FIGS. 2 (3) and 2 (4) and other examples. The same.
In this case, the stopper 4 is attached to the cable end B before the surplus portion K. And the instantaneous tension | tensile_strength which acts on the cable edge part B is suppressed, and the delivery of the surplus part K is prevented.
That is, as described above for the first example and the second example, when the tension is instantaneously applied to the cable end B inserted through the groove 5 of the stopper 4, a braking force due to contact friction with the curve 6 is generated. Thus, the cable end B is locked and locked by the stopper 4.
Along with this, when the surplus portion K exists in the cable end B, the extension is prevented. The excessive portion K is reliably prevented from being unintentionally fed out via the inlet side 12 and the outlet side 13 of the stopper 4 based on the instantaneous tension.
As for the case where Loop J exists.

《Action etc.》
The stopper 4 of the present invention is configured as described above. Therefore, it becomes as follows.
(1) The stopper 4 is attached to the cable end B before the connector F at the tip E.
That is, when setting, the cable end portion B is inserted into the groove portion 5 of the stopper 4. Thus, the mounting operation is completed, and the stopper 4 is arranged to be attached to the cable end B (see FIG. 1 (2), FIG. 2 (3), FIG. 3 (1), etc.). .
The insertion of the cable end B into the groove 5 of the stopper 4 is usually performed by pushing the cable end B from above the groove 5. Further, after the cable end portion B is inserted into the groove portion 5, the groove portion 5 may be covered.

(2) The stopper 4 is typically composed of a base block 7 and a pair of corner blocks 8, 9, but when the corner block 9 can swing as in the second example of FIG. As in the third example of FIG. 3, if the groove width of the groove portion 5 is positioned to be substantially uniform by the positioning means 14, the above-described set becomes smooth.
That is, if the corner block 9 is set at the standard position G, the cable end B can be easily inserted into the stopper 4 groove 5 (see FIGS. 3A and 3B). .
On the other hand, if the corner block 9 is in the unevenly distributed position H and the groove width of the groove portion 5 is wide and uneven (see FIGS. 3 (3) and (4)), the cable end B It is difficult to smoothly insert the stopper 4 into the groove portion 5 and the setting is not easy.

(3) Now, as for the time when the momentary tension does not act on the cable A and the cable end B, it is as follows ((2) in FIG. 1, (3) in FIG. 2, (1) in FIG. 3). (See figure etc.)
The cable end B can be freely inserted and removed and moved through the groove 5 of the inserted stopper 4. The same applies to the case where tension acts on the cable end B even if it acts gently rather than instantaneously. Accordingly, for example, the length of the surplus portion K such as the loop J can be adjusted by gently pulling (see FIG. 1B).
Further, not only when the other corner block 9 takes the standard position G, but also when the uneven position H is taken and is simply in contact with the curve 6 of the groove portion 5, the same is true as long as no instantaneous tension is applied. The frictional force is not generated and the braking force is not generated only by the contact.

(4) On the other hand, when an excessive external force such as a tensile force is applied to the cable A and an instantaneous tension acts on the cable end B, the following is performed ((2) in FIG. 1, FIG. (See Fig. 2 (4), Fig. 3 (3), etc.).
A cable end B that is suddenly pulled with an excessive force due to an unexpected impact load applied to the cable A contacts the curve 6 of the groove 5 of the stopper 4 and is strongly pressed against the curve 6 based on the tension. It is done. Thus, a large frictional force is generated between the cable end B and the curve 6, and a braking force is instantaneously generated.
In addition, in the case of the second example and the third example described above, the cable end portion B is sandwiched between the inlet side 12 of the groove portion 5 of the stopper 4, so that a stronger braking force is generated.

(5) Thus, the cable end B is locked and locked by the stopper 4 when a momentary tension is applied.
Since the cable end B is instantly restrained and locked, the various cable A pulling accidents can be prevented in advance.

(6) When the cable end B is provided with a surplus portion K such as a loop J or a bundle in front of the tip E (see FIG. 1 (2)), the feeding accident is also avoided. The
That is, when instantaneous tension is applied, the cable end B is locked and locked by the stopper 4 before the surplus portion K as described above. Accordingly, the unnecessary portion K of the cable end B is prevented from being unnecessarily drawn out.

(7) Now, the stopper 4 that exerts the locking action as described above has a basic configuration including, for example, a substantially S-shaped groove portion 5 in which a curve 6 is formed.
The stopper 4 typically includes a base block 7 that forms the bottom wall of the groove 5 and a pair of corner blocks 8 and 9 that form both side walls of the groove 5. Further, one corner block 8 is fixed to the base block 7, and the other corner block 9 is attached to the base block 7 with a shaft 11.
Thus, the stopper 4 has a simple configuration.

(8) The stopper 4 can be easily inserted and removed from the cable end B and attached to and detached from it.
That is, only by inserting the cable end portion B through the groove portion 5 of the stopper 4, the attachment operation is completed, and the removal operation may be performed simply by inserting and removing the cable end portion B from the groove portion 5. At this time, these operations are also supported by gently applying tension to the cable end B as required.

(9) Further, the stopper 4 is not limited to the cable end B of the cable A, and can be similarly applied to the wire ends D of various other wires C. Various wire end portions D are also used in accordance with the above-described description of the cable end portion B.
The stopper 4 can be applied to various types of wire ends D simply by preparing a groove 5 having a groove width and a depth corresponding to the diameter of the wire end D to be used with a curve 6.
The operation of the present invention is as described above.

About other examples
Here, another application example of the stopper 4 of the present invention will be described with reference to FIG.
In the first, second, and third examples of FIGS. 1 to 3 described above, the present invention is applied to the cable end B of the cable A. Of course, the present invention is not limited to this, and various The wire end D of the wire C is applicable. For example, the following application examples are possible.

First, the stopper 4 of the fourth example shown in FIG. 4A will be described.
The wire C in this example is made of an emergency evacuation rope, and the wire end D and the other parts are always bundled or wound around the veranda 20 on the upper floor such as the second floor.
The stopper 4 is preliminarily arranged at the wire end D (the wire end D is inserted through the groove 5 of the stopper 4). It may be arranged.
In an emergency, the wire C is suspended from the ground while leaving the surplus portion K on the veranda 20 or the like, and then the refugee L escapes to the ground. In that case, the stopper 4 is attached to the handrail etc. of the veranda 20, for example.
Now, when the evacuee L is caught and suspended by the suspended wire C, a load is applied to the wire C by its weight, and instantaneous tension acts on the wire end D. Then, as described above, a braking force is instantly generated by contact friction, and the wire end D is locked and locked to the stopper 4.
Accordingly, the surplus portion K on the tip E side remaining on the veranda 20 or the like of the wire end D is prevented from being fed out due to the weight of the refugee L caught on the wire C. No sliding occurs.
Thus, an accident in which the evacuee L who is in the process of escaping is exposed to the risk of falling is prevented. The refugee L can use the stopper 4 attached to the handrail or the like of the veranda 20 as a fulcrum, catch the wire C that does not move up and down, and can descend and escape to the ground safely through the wire C.

Next, the stopper 4 of the fifth example shown in FIG. 4 (2) will be described.
The wire C in this example is a rope for hanging the laundry M to dry and is stretched between the poles 21. The wire end D on the tip E side of the wire C is an excessive portion K and is bundled on the ground or the like.
Now, the stopper 4 is attached to the wire end portion D (the wire end portion D is inserted into the groove portion 5 of the stopper 4), and the stopper 4 is attached to the top of the pole 21, for example.
And when the laundry M which contains moisture and has a heavy weight is hung on the wire C and dried, a hanging load is applied to the wire C with its weight, and an instantaneous tension acts on the wire end D. The wire end D is locked and locked by the stopper 4 in the same manner as described above.
Accordingly, the surplus portion K on the tip E side where the wire end D remains is prevented from being fed out. The surplus portion K of the wire C is not fed out due to the load of the freshly-laden laundry M containing moisture, and the stretched wire C hangs down together with the laundry M onto the ground or the like. Such accidents are avoided.
As expected, the laundry M is hung and dried on a wire C stretched in a tensioned state.
For other examples, see above.

1 Cable clamp 2 Cable tie 3 Mounting member 4 Stopper (wire stopper)
5 groove portion 6 curve 7 base block 8 corner block on one side 9 corner block on the other side 10 reference example 10 'groove portion 11 shaft 12 inlet side 13 outlet side 14 positioning means 15 vertical hole 16 spring 17 sphere 18 lateral groove 19 positioning recess 20 veranda 21 Paul A Cable B Cable end C Wire D Wire end E Tip F Connector G Standard position H Uneven position J Loop K Extra part L Evacuee M Laundry

Claims (8)

It is a stopper that is arranged in front of the tip of the wire end and suppresses the tension acting on the wire end to prevent a wire pulling accident,
The stopper includes a groove portion through which the wire end portion is inserted, and the groove portion is formed with a curve. In claim 1, when a tension is instantaneously applied to the wire end, a braking force is instantaneously generated by the curvature of the groove portion of the stopper and the contact friction between the wire ends, and thus the wire end is While the acting tension is suppressed and locked to the stopper,
A wire stopper characterized in that the wire end can be freely inserted into and removed from the groove of the stopper at any time when no tension is instantaneously applied to the wire end.   3. The wire stopper according to claim 2, wherein the wire is a cable, and a connector is provided at the tip of the end of the wire and is connected to the device.   The wire stopper according to claim 2, wherein the curve of the groove portion of the stopper is at least substantially S-shaped. In claim 2, the wire end portion is provided with a surplus portion such as a loop or a bundle in front of the tip,
The wire stopper, wherein the stopper is disposed in front of the surplus portion, and suppresses an instantaneous tension acting on the end portion of the wire to prevent the surplus portion from being fed out. In Claim 3, 4, or 5, the stopper is composed of a base block portion attached to the chassis on the equipment side, and a pair of corner block portions on the outer surface side of the base block portion,
A wire stopper, wherein the bottom of the groove is formed in the base block portion, and the side wall of the groove is formed in both corner block portions. In claim 6, both the corner block portions have a flat plate shape, the corner block portion on one side is fixed to the base block portion having a flat plate shape, and the corner block portion on the other side is It is attached to the base block part with a shaft, so that it can swing around the shaft as a fulcrum,
The corner block portion on the other side can be displaced to a standard position and an unevenly distributed position with respect to the corner block portion on one side by swinging, and the groove portion having a substantially uniform groove width is formed at the standard position. On the other hand, at the uneven position, the wire portion is characterized in that the groove portion having a wide and narrow uneven groove width is formed, and the wire end portion is sandwiched and locked in the narrower side. 8. The wire stopper according to claim 7, wherein positioning means for the standard position is provided between the corner block portion and the base block portion on the other side.

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