JP6699349B2 - Nesting prevention tool for arm - Google Patents

Description

  The present invention relates to a nesting prevention tool for a wristband.

  For example, a foldable obturator that is attached to an opening at an end of a wrist metal is known. (For example, patent document 1).

Japanese Patent Laid-Open No. 2007-228438

  For example, a armband that supports an electric wire or the like is mounted on a utility pole. The armband is made of a metal material and has, for example, a hollow quadrangular prism shape. Conventionally, in order to prevent nesting, the opening of the end portion of the armband has been embedded with foamed styrene or the like to close the opening to prevent nesting. However, foamed styrene could not prevent nesting by birds due to the brittleness of the material. Further, there is a problem that a power outage is required to replace the deteriorated styrene foam.

  Therefore, Patent Document 1 discloses an obturator that obstructs the opening of the end portion of the armrest instead of the polystyrene foam. The obturator has a folding structure that elastically biases toward the inner peripheral surface of the armrest when attached to the opening. Then, the worker can attach the obturator to the opening at the end of the arm using an indirect live-wire tool. The obturator is a member having a structure for elastically urging the cleats provided at both ends thereof toward the inner peripheral surface of the arm bar in order to maintain the closed state of the end part of the arm bar.

  However, although the obturator can perform indirect live work, since it is fixed to the opening at the end of the armpiece only by the slip stoppers provided at both ends, it may fall off due to vibration or storm. It was In addition, although it does not fall off, when a situation occurs in which the obturator moves toward the opening at the end due to vibration or windstorm, a gap is created at the opening at the end, so There was a risk that birds would invade inside and nest.

  The main present invention for solving the above-mentioned problem is to provide a body portion inserted from an opening of an end portion of the arm member so as to face the inner peripheral surface of the arm member, and a body portion facing the inner peripheral surface. A protrusion that is provided so as to project from the surface toward the inner peripheral surface and that contacts the inner peripheral surface so that the body portion does not slip out of the opening; and the body portion is provided with the protrusion portion. It is characterized by further comprising: a lid portion that closes the opening in a state of being inserted inside the armband; and a grip portion that is provided so as to project from the lid portion and that is gripped by an indirect hot-line tool.

  Other features of the present invention will be apparent from the accompanying drawings and the description of the present specification.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to carry out installation work without interruption by using an indirect live-wire tool, and as a structure that closes the opening of the armband, a protrusion is provided so as to match the inner peripheral surface of the armband. Since it can be installed according to the inner diameter of different armpieces and the protrusions on the inner peripheral surface and the risk of falling can be reduced, work efficiency and safety can be improved.

It is a figure which shows an example of the arm which is installed in the telephone pole which concerns on this embodiment. It is a perspective view which shows an example of the nesting prevention tool for arms which concerns on this embodiment. It is a top view which shows an example which looked at the nesting prevention tool for arms which concerns on this embodiment from the -Z direction. It is a top view which shows an example which looked at the nesting prevention tool for arms according to this embodiment from the -X direction. It is a top view which shows an example which looked at the nesting prevention tool for arms which concerns on this embodiment from the -Y direction. It is sectional drawing which shows an example which looked at the state which installed the nesting prevention tool for armbands which concerns on this embodiment in the armband from the +Y direction. It is a top view which shows an example which looked at the work condition when installing the nesting prevention tool for armbands which concerns on this embodiment in a armband from the -X direction. It is a top view which shows an example which looked at the installation situation when installing the nesting prevention tool for armbands which concerns on this embodiment in the armband from the -X direction.

  At least the following matters will be made clear by the description in the present specification and the accompanying drawings.

=== Nesting prevention tool 10 for armrests ===
FIG. 1 is a diagram showing an example of a armband 130 installed on a telephone pole 100 according to the present embodiment. FIG. 2 is a perspective view showing an example of the nesting prevention tool 10 for a wristband according to the present embodiment. FIG. 3A is a plan view showing an example of the nesting prevention tool 10 for a wristband according to the present embodiment as viewed from the −Z direction. FIG. 3B is a plan view showing an example of the nesting prevention tool 10 for a wristband according to the present embodiment as seen from the −X direction. FIG. 3C is a plan view showing an example of the nesting prevention tool 10 for a wristband according to the present embodiment as seen from the −Y direction. FIG. 4 is a cross-sectional view showing an example of a state in which the nesting prevention tool 10 for the armband according to the present embodiment is installed on the armband 130 as viewed from the +Y direction. FIG. 5: is a top view which shows an example which looked at the work condition when installing the nesting|prevention tool for arms according to this embodiment from the -X direction. FIG. 6 is a plan view showing an example of the installation situation when the nesting prevention tool for the armband according to the present embodiment is installed on the armband, as viewed from the −X direction. In the following description, the X axis is an axis orthogonal to the Y axis and the Z axis, the Y axis is an axis along the direction in which the grip 50 hangs, and the Z axis is an axis along the longitudinal direction of the arm member 130. .. Further, in FIGS. 1 to 6, the same members will be described with the same numerals.

  Hereinafter, with reference to FIGS. 1 to 4, the nesting prevention tool 10 for a braid according to the present embodiment will be described.

  As shown in FIG. 1, for example, an electric wire 110, an insulator 120 that insulates and supports the electric wire 110, and a armor 130 that supports the insulator 120 on the electric pole 100 are mounted on the electric pole 100. The arm 130 is made of a metal material and has, for example, a hollow quadrangular prism shape. The nesting prevention tool 10 for the armband is a tool for closing the opening 131 in order to prevent nesting inside by the invasion of birds from the opening 131 at the end of the armband 130. The nesting prevention tool 10 for a braid has a structure that can be attached to the opening 131 by using the indirect live-wire tool 140. As a result, when attaching or detaching the nesting prevention tool 10 for the braces, work can be performed without requiring a power outage, so that work efficiency can be improved. In addition, since the nesting prevention tool 10 for the arm bar is provided so that the protruding portion 30 is pressed against the inner peripheral surface 132 of the arm bar 130 when inserted from the opening 131, Can be firmly maintained.

  The above-described nesting prevention tool 10 for a wristband is configured to include, for example, a body portion 20, a protruding portion 30, a lid portion 40, and a grip portion 50.

==Structure of the nesting prevention tool 10 for the arm==
<< torso part 20 >>
The body portion 20 according to the present embodiment will be described as follows with reference to FIGS. 2 and 4.

  The body portion 20 is a member that is inserted into the arm member 130 to occupy a predetermined area inside the arm member 130. As shown in FIG. 2, the body portion 20 is configured to include, for example, a main body portion 21 and a cutout portion 22. In the following description, the surface of the body 21 facing the inner peripheral surface 132 when the body 20 is inserted into the arm 130 is referred to as the facing surface 21A.

  The main body 21 is made of, for example, a thermoplastic general-purpose resin, and has, for example, a hollow substantially rectangular prism shape whose longitudinal direction is along the Z-axis. Examples of the thermoplastic general-purpose resin include polyethylene, polypropylene, polystyrene, and vinyl chloride resin. The main body 21 has, for example, a cross-sectional area of a cross section along the X-axis and the Y-axis of the arm 130 and an X-axis and a Y-axis of the main body 21 in order to bring the protrusion 30 described later into contact with the inner peripheral surface 132. It is formed so that the area of the surface formed including the outer peripheral edge of the cross section (XY cross section) is substantially equal. The main body portion 21 is preferably formed such that the cross-sectional area becomes smaller toward the +Z direction on the +Z side of the second projection portion described later so that the main body portion 21 can be smoothly inserted through the opening 131. .

  As shown in FIG. 4, the notch 22 is engaged with the insulator bolt 121 inserted from the insulator bolt hole 133 of the arm 130 in a state where the body 20 is inserted into the arm 130, for example. Is formed. More specifically, the notch 22 is provided, for example, in the center of the end of the main body 21 in the +Z direction, and has a semicircular shape formed with a diameter substantially equal to the diameter of the insulator bolt hole 133.

<<projection part 30>>
The protrusion 30 according to the present embodiment will be described below with reference to FIGS. 2, 3B, 3C, and 4.

  The protruding portion 30 is a member provided so as to be in pressure contact with the inner peripheral surface 132 so that the body portion 20 does not easily come out of the opening 131 when the body portion 20 is inserted into the arm member 130. is there. As shown in FIG. 2, the protrusion 30 includes, for example, a first protrusion 31 and a second protrusion 32.

  The first protruding portion 31 is formed of, for example, a general-purpose thermoreversible resin that elastically deforms, and is provided so as to protrude from the facing surface 21A of the main body portion 21, for example. Examples of the general-purpose thermoplastic resin that elastically deforms include polyethylene, polypropylene, polystyrene, and vinyl chloride resin. The first projecting portion 31 includes, for example, a first A surface 31A facing the opening 131 of the arm member 130 and an opening of the arm member 130 of the first A surface 31A when the body portion 20 is inserted into the arm member 130. And a first B surface 31B provided on the side opposite to 131. More specifically, for example, the first B surface 31B is provided so as to extend perpendicularly (second angle) from the facing surface 21A of the main body portion 21, and the first A surface 31A is at an acute angle with respect to the facing surface 21A ( It is provided so as to form a first angle) and to approach the first B surface 31B as the distance from the facing surface 21A increases. That is, for example, as shown in FIG. 3B and FIG. 3C, a section formed by the first A surface 31A and the first B surface 31B and the facing surface 21A along the Y axis and the Z axis is a right triangle. Present. The first protrusion 31 is continuously provided along the circumferential direction of the main body 21. Therefore, the first protrusion 31 is formed to have a substantially brim shape by the first A surface 31A and the first B surface 31B being continuously formed in the circumferential direction of the main body portion 21. Further, in the first protruding portion 31, the first A surface 31A and the first B surface so that the first protruding portion 31 can be pressed against the inner peripheral surface 132 when the body portion 20 is inserted inside the arm member 130. The first projection width (see FIG. 3C) indicating the distance between one end side where 31</b>B intersects and the other end side on the opposite side through the main body portion 21 from the one end side is the armband 130. It is formed so as to be larger than the inner diameter of the arm metal (see FIG. 4) indicating the distance between the one edge of the arm and the other edge of the arm 130 opposed to the other edge. As a result, as shown in FIG. 4, in the state where the body portion 20 is inserted inside the arm member 130, the first protrusion portion 31 presses against the inner peripheral surface 132, so that the body portion 20 is attached to the arm member 130. It will not come off easily from the inside.

  The second protrusion 32 is made of, for example, a thermoreversible general-purpose resin that elastically deforms, and is provided so as to protrude from the main body 21, for example. Examples of the general-purpose thermoplastic resin that elastically deforms include polyethylene, polypropylene, polystyrene, and vinyl chloride resin. The second protrusion 32 is, for example, a second A surface 32A facing the opening 131 of the arm 130 and an opening of the arm 130 of the second A surface 32A when the body 20 is inserted into the arm 130. And a second B surface 32B provided on the side opposite to 131. The second protrusion 32 is continuously provided along the circumferential direction of the main body 21. The second protruding portion 32 is formed to have a substantially brim shape like the first protruding portion 31, and therefore the description thereof will be omitted. As shown in FIG. 2, the second protrusion 32 is provided on the +Z side of the first protrusion, for example. Further, it is preferable that the second protrusion 32 is provided at a constant distance from the first protrusion 31. Then, in order to insert the body portion 20 stepwise from the opening 131 toward the inside of the arm 130, in the second projecting portion 32, one end side where the second A surface 32A and the second B surface 32B intersect. And a second protrusion width (see FIG. 3C) indicating a distance between one end side and the other end side on the opposite side through the body portion 21 is equal to one end side of the arm member 130 and the arm member 130. It is preferable that the inner diameter of the armature (see FIG. 4) indicating the distance between one end of 130 and the other end of the arm 130 is approximately equal. Thus, when the body portion 20 is inserted through the opening 131, the body portion 20 is pushed in by inserting the first protrusion portion 31 while temporarily disposing the second protrusion portion 32 inside the arm member 130. Can be inserted. That is, the second projecting portion 32 is temporarily fixed so that the body portion 20 does not easily come out of the inside of the arm member 130 by being hooked in the vicinity of the opening 131, and the body portion 20 is inserted stepwise. It is a member of.

<< lid 40 >>
The lid 40 according to the present embodiment will be described as follows with reference to FIGS. 2, 3A, 3B, 3C, and 4.

  The lid portion 40 is a member that closes the opening 131 when the body portion 20 is inserted inside the arm member 130. The lid 40 is made of, for example, a thermoreversible general-purpose resin and has a substantially rectangular parallelepiped shape. Examples of general-purpose thermoplastic resins include polyethylene, polypropylene, polystyrene, and vinyl chloride resins. As shown in FIGS. 2 and 3A to 3C, the body portion 20 is provided so as to extend on the +Z side surface of the lid portion 40. It should be noted that it does not matter whether the lid portion 40 and the body portion 20 are integrally formed so that they cannot be separated, or whether the body portion 20 is screwed and joined to the lid portion 40 so that they can be separated. It suffices that they are joined together so that they do not come apart. As shown in FIG. 4, at least the +Z-side surface of the lid portion 40 has a larger area than the opening 131. Then, the lid portion 40, in the state where the body portion 20 is inserted into the arm member 130, one surface on the side close to the opening 131 in the lid portion 40 along the XY plane (a surface on the +Z side), the opening 131, and Are formed so as to be flush with each other. Accordingly, the lid 40 can close the opening 131 without any gap.

<<Grip 50>>
The grip portion 50 according to the present embodiment will be described below with reference to FIGS. 3A, 3B, and 3C.

  The grip part 50 is a member provided so that work can be performed using the indirect live-wire tool 140. The grip 50 is made of, for example, a thermoreversible general-purpose resin and has a flat shape. Examples of general-purpose thermoplastic resins include polyethylene, polypropylene, polystyrene, and vinyl chloride resins. As shown in FIGS. 3A to 3C, the grip portion 50 is joined to the lid portion 40 at one end on the +Y side. Then, the grip portion 50 is provided so as to hang from the surface (−Y side) of the lid portion 40 along the X axis and the Z axis. The grip portion 50 is configured to include, for example, an uneven portion 51 and a cutout portion 52.

  The concavo-convex portion 51 is a portion having a concavo-convex shape provided on a flat flat surface. The concavo-convex portion 51 is a portion that is provided so as not to slip from the indirect live-wire tool 140 when the gripping portion 50 is sandwiched by the indirect live-wire tool 140 (for example, the insulating jack 141). The concavo-convex portion 51 is provided with concaves and convexes alternately and continuously. The uneven portion 51 is provided on either or both of the flat surface on the +Z side and the flat surface on the −Z side of the flat shape.

  The cutout portion 52 is a portion provided so that the grip portion 50 can be cut off from the lid portion 40. As shown in FIGS. 3A and 3B, the cutout portion 52 is provided on the +Y end portion of the grip portion 50 along the X axis from the −X end to the +X end. The cutout portion 52 is formed thinner than other portions of the gripping portion 50 other than the cutout portion 52 so that the cutout portion 52 can be easily torn off by using the indirect hot-line tool 140, for example. By providing the cutout portion 52, it is possible to reduce the risk that the nesting prevention tool 10 for the wrist wire is pulled out from the end portion due to an external action such that the grip portion 50 is caught by something.

== Usage procedure ==
Hereinafter, with reference to FIGS. 1, 5, and 6, the procedure for using the nesting prevention tool 10 for a wristband will be described as follows.

  As shown in FIG. 1, the worker confirms the target arm 130 to which the nesting prevention tool for arm 10 is to be installed. The worker prepares the indirect live-wire tool 140 (for example, the insulating jack 141, the tiestick hammer 142). The worker uses an aerial work vehicle or the like to move to a height at which the arm nesting prevention device 10 can be installed at the end of the arm 130.

  As shown in FIG. 5, for example, the worker holds the grip 50 of the nesting prevention tool 10 for the arms with the insulating cots 141 and inserts the body 20 into the opening 131. Lift tool 10. First, the worker inserts the body portion 20 into the opening 131 and also inserts up to the second protrusion 32 into the opening 131. As a result, the second protrusion 32 comes into contact with the inner peripheral surface 132, so that the body portion 20 is in a state in which it is difficult to slip out of the opening 131 of the arm member 130.

  Next, the worker hits the lid portion 40 in the +Z direction with the tie stick hammer 142 while sandwiching the grip portion 50 with the insulating jack 141. As shown in FIG. 6, the worker confirms that the first protrusion 31 enters the inside of the arm 130 and that the +Z side surface of the lid 40 is flush with the opening 131. As a result, the first protrusion 31 comes into pressure contact with the inner peripheral surface 132, so that the nesting prevention tool 10 for the braces is fixed so as not to come off from the end of the braces 130.

  Next, as shown in FIG. 6, the worker holds the grip portion 50 with the insulating cots 141, for example, and continuously cuts the grip portion 50 from the lid portion 40 in order to cut the grip portion 50 from the lid portion 40. Add to. The worker separates the grip portion 50 from the lid portion 40 when the resistance of the cutout portion 52 becomes smaller. Accordingly, it is possible to prevent the arm nesting prevention device 10 from coming off from the end of the arm 130 by an external force applied to the grip portion 50 in a state where the arm nest nesting prevention device 10 is installed.

  The above-described embodiments are for the purpose of facilitating the understanding of the present invention and are not for limiting and interpreting the present invention. The present invention can be modified and improved without departing from the spirit thereof, and the present invention also includes equivalents thereof. For example, the following items are also included.

=== Other Embodiments ===
<< torso part 20 >>
In the above description, the main body portion 21 has been described as having a hollow quadrangular prism shape, but the main body portion 21 need not be hollow and may have any shape as long as the side surface of the main body portion 21 faces the inner peripheral surface 132.

  Further, in the above description, the body portion 20 is described as including the cut portion 22, but it is not necessary to include the cut portion 22. In this case, any extension may be used so that the length of the arm member 130 of the main body portion 21 in the longitudinal direction (Z direction) does not reach the insulator bolt hole 133.

  Further, in the above description, the cut portion 22 is described as being provided in the end portion in the +Z direction of the main body portion 21 so as to have a semicircular shape, but it may not have a semicircular shape, for example, the body portion. The +Z side end portion of 20 may be provided so as to penetrate in a circular shape along the Y axis. In this case, the length of the arm 130 of the main body 21 in the longitudinal direction (Z direction) may be extended so as to close the insulator bolt hole 133 when the main body 21 is inserted.

<<projection part 30>>
In the above description, the protruding portion 30 (the first protruding portion 31, the second protruding portion 32) is described as being continuously provided along the circumferential direction of the main body portion 21, but the present invention is not limited to this. For example, the protrusions 30 (third protrusions, fourth protrusions) may be provided intermittently along the circumferential direction of the main body 21. In this case, it is preferable that the protruding portions 30 (third protrusion portion, fourth protrusion portion) are provided at equal intervals along the circumferential direction of the main body portion 21 and are configured by three or more. This is because the pressure contact with the inner peripheral surface 132 by the protrusions 30 (third protrusions, fourth protrusions) is performed in a balanced manner. The projecting portion 30 (third protrusion portion, fourth protrusion portion) that is intermittently provided is the 32nd portion that faces the opening 131 of the arm member 130 when the body portion 20 is inserted into the arm member 130. It is assumed that the surface is formed by a surface (not shown) and a surface 31 (not shown) provided on the side opposite to the opening 131 of the arm 130 of the surface 32 (not shown).

  Further, in the above description, the projection 30 (the first projection 31, the second projection 32) has been described as having a cross section sectioned by a surface along the Y axis and the Z axis having a right triangle shape. Not limited. For example, a first corner sandwiched between the first A surface 31A and the facing surface 21A, a second corner sandwiched between the first B surface 31B facing the first corner and the facing surface 21A, a first corner and a second corner. It may be a triangular shape in which each of the inner angles different from the corners is an acute angle. Note that the body portion 20 is formed so that the first angle of the first corner is smaller than the second angle of the second corner in order to easily insert the body portion 20 into the arm member 130 and to prevent the body portion 20 from coming off easily. ..

  Further, in the above description, the protruding portion 30 has been described as including the first protruding portion 31 and the second protruding portion 32, but the present invention is not limited to this. For example, the protrusion 30 may be composed of only the first protrusion 31. This is because the first protruding portion 31 is in pressure contact with the inner peripheral surface 132 when the body portion 20 is inserted into the arm member 130, so that the body portion 20 can exert an effect of not easily coming out of the opening 131. is there.

  Further, in the above description, the protrusion is described as including the first protrusion 31 and the second protrusion 32, but the present invention is not limited to this. The protrusion 30 may include, for example, a protrusion further on the +Z side than the second protrusion 32. In this case, it is preferable that the protrusion has a protrusion width equal to the second protrusion width of the second protrusion 32. Furthermore, a protrusion may be further provided on the +Z side of the protrusion, and the number thereof is not limited.

<< lid 40 >>
Although the lid portion 40 has been described above as having a substantially rectangular parallelepiped shape, the present invention is not limited to this. For example, it may have a cylindrical shape, and when the body portion 20 is inserted into the arm member 130, one surface of the lid portion 40 along the XY plane that closes the opening 131 and the opening 131 are flush with each other. It only needs to be formed.

<<Grip 50>>
In the above description, the grip portion 50 is described as being provided so as to hang from the surface (−Y side) of the lid portion 40 along the X axis and the Z axis, but the present invention is not limited to this. For example, it may be provided between the first protruding portion 31 and the second protruding portion 32 in the body portion 20.

  Further, in the above description, the grip portion 50 is described as including the uneven portion 51, but the uneven portion 51 may not be provided.

  Further, in the above description, the cutout portion 52 is described as being formed thinner than other portions of the gripping portion 50 other than the cutout portion 52, but the present invention is not limited to this. For example, the grip 50 may be separated by providing perforations instead of thinning it.

  Further, in the above description, the grip portion 50 is described as including the cutout portion 52, but the cutout portion 52 may not be provided. That is, it is possible to exert the effect that the body portion 20 does not easily come out of the opening 131 even when the grip portion 50 is provided in a state in which the nesting prevention tool 10 for the wrist metal is installed at the end portion of the wrist metal 130. is there.

===Summary===
As described above, the nesting prevention tool 10 for the armband according to the present embodiment includes the body portion 20 inserted from the opening 131 at the end of the armband 130 so as to face the inner peripheral surface 132, and the inner peripheral surface. A protruding portion 30 that is provided so as to protrude from the facing surface 21A of the body portion 20 facing the inner surface 132 toward the inner peripheral surface 132, and that contacts the inner peripheral surface 132 so that the body portion 20 does not come out of the opening 131; The lid portion 40 is provided on the portion 20 and closes the opening 131 when the body portion 20 is inserted into the arm 130, and is provided so as to protrude from the lid portion 40 and is gripped by the indirect live-wire tool 140. And a grip portion 50. According to the present embodiment, since the opening 131 can be closed without a gap and the nesting prevention tool 10 for a wristband does not easily slip out of the opening 131, nesting can be reliably prevented.

  Further, in the arm nesting prevention device 10 according to the present embodiment, the protrusions 30 are continuously provided along the circumferential direction of the facing surface 21A. According to the present embodiment, since the contact surface with the inner peripheral surface 132 is large because it is continuously provided in the circumferential direction of the facing surface 21A, it can be reliably installed without easily coming out from the opening 131.

  Further, in the arm nest nesting prevention tool 10 according to the present embodiment, the protruding portion 30 includes the first protruding portion 31 formed of an elastically deformable material, and the body portion 20 having the body portion 20 rather than the first protruding portion 31. And a second protrusion 32 formed of an elastically deformable material, which is provided on the side in the direction of being inserted into the inside of the The projecting length of the second projecting portion 32 is shorter than the projecting length of the first projecting portion 31 so that the projecting portion 31 becomes smaller than the pressure of contacting the inner peripheral surface 132. .. According to the present embodiment, since the protruding portion 30 having a short length protruding in the direction of inserting into the opening 131 is provided, the body portion 20 can be easily inserted into the opening 131, so that the work efficiency can be improved.

  Further, in the arm nest nesting prevention tool 10 according to the present embodiment, the protrusion 30 includes a first A surface 31A and a first A surface that face the opening 131 when the body portion 20 is inserted into the arm 130. 31A has a first B surface 31B provided on the opposite side of the opening 131, and the first A surface 31A and the first B surface 31B are formed so as to come closer to each other as they move away from the facing surface 21A. And a second corner sandwiched between the first B surface 31B and the facing surface 21A face each other, and the first angle of the first corner is the second corner of the second angle. It is characterized in that it is formed to be smaller than two angles. According to the present embodiment, since the body portion 21 has the shape of the protruding portion 30 that makes it difficult for the body portion 21 to slip out of the opening 131, the nesting prevention tool 10 for the braid can be reliably arranged.

  Further, in the arm nesting prevention device 10 according to the present embodiment, the protrusions 30 are characterized by being intermittently provided along the circumferential direction of the facing surface 21A of the body portion 20. According to the present embodiment, the insertion can be easily performed according to the structure of the inner peripheral surface 132, so that the working efficiency can be improved.

  Moreover, in the arm nesting prevention device 10 according to the present embodiment, the protruding portion 30 provided intermittently has a third protruding portion (not shown) formed of an elastically deformable material and a third protruding portion. The body portion 20 is provided on the side in the direction of being inserted into the arm 130, and is formed of a fourth projecting portion (not shown) formed of an elastically deformable material, and the fourth projecting portion is an inner peripheral surface. The projecting length of the fourth projecting portion is shorter than the projecting length of the third projecting portion so that the pressure that contacts the 132 is smaller than the pressure that the third projecting portion contacts the inner peripheral surface 132. It is characterized by According to the present embodiment, by providing the protruding portion 30 (fourth protruding portion) having a short length protruding in the direction of inserting into the opening 131, the body portion 20 can be easily inserted into the arm member 130. Work efficiency can be improved.

  Further, in the arm nest nesting prevention tool 10 according to the present embodiment, the protruding portion 30 that is intermittently provided has the 31st surface that faces the opening 131 when the body portion 20 is inserted into the arm member 130 ( (Not shown) and a 32nd surface (not shown) provided on the opposite side to the opening 131 of the 31st surface, so that the 31st surface and the 32nd surface approach each other as they move away from the facing surface 21A. And a fourth corner (not shown) sandwiched between the 31st surface and the facing surface 21A and a fourth corner (not shown) sandwiched between the 32nd surface and the facing surface 21A face each other. , The third angle of the third angle is smaller than the fourth angle of the fourth angle. According to the present embodiment, since the body portion 21 has the shape of the protruding portion 30 that makes it difficult for the body portion 21 to slip out of the opening 131, the nesting prevention tool 10 for the braid can be reliably arranged.

10 Nest nesting prevention tool 20 Body part 21A Opposing surface 30 Projection part 31 1st projection part 31A 1A surface 31B 1B surface 32 2nd projection part 40 Lid part 50 Grasping part 130 Arm part 131 Opening 132 Inner peripheral surface 140 Indirect live-line tool

Claims (7)

A body portion that is inserted from the opening of the end portion of the armrest so as to face the inner peripheral surface of the armrest,
A protruding portion that is provided so as to protrude from the facing surface of the body portion facing the inner peripheral surface toward the inner peripheral surface, and that the body portion contacts the inner peripheral surface so as not to slip out of the opening,
A lid portion provided on the body portion and closing the opening in a state where the body portion is inserted inside the armband,
A gripping part that is provided so as to project from the lid part and that is gripped by an indirect hot-line tool,
A nesting prevention tool for armgear, which is provided with. The nest-preventing device for a wristwatch according to claim 1, wherein the protruding portion is continuously provided along a circumferential direction of the facing surface. The projecting portion is provided with a first projecting portion formed of an elastically deformable material, and an elastically deforming material provided on a side of the first projecting portion in a direction in which the body portion is inserted into the arm bar. And a second protrusion formed by
The projecting length of the second projecting portion is set so that the pressure with which the second projecting portion contacts the inner peripheral surface is smaller than the pressure with which the first projecting portion contacts the inner circumferential surface. (1) The nesting prevention tool for a metal wire according to claim 2, wherein the nesting prevention tool is formed to be shorter than the protruding length of the protruding portion. The protrusion has a first surface facing the opening when the body is inserted into the arm member, and a second surface provided on the opposite side of the first surface from the opening. Have,
The first surface and the second surface are formed so as to approach each other as the distance from the facing surface increases,
The first angle sandwiched between the first surface and the facing surface and the second angle sandwiched between the second surface and the facing surface face each other, and the first angle of the first angle is It is formed so as to be smaller than the second angle of the second corner. The nesting prevention tool for a wrist according to claim 2 or 3, characterized in that it is formed. The nest-preventing device for a wrist according to claim 1, wherein the projecting portion is intermittently provided along a circumferential direction of a facing surface of the body portion. The protruding portion is provided with a third protruding portion formed of an elastically deformable material, and an elastically deformable material provided on a side of the third protruding portion in a direction in which the body portion is inserted into the arm member. And a fourth protrusion formed by
The projecting length of the fourth projecting portion is set such that the pressure with which the fourth projecting portion contacts the inner peripheral surface is smaller than the pressure with which the third projecting portion contacts the inner peripheral surface. 3. The nesting prevention tool for a braid according to claim 5, wherein the nesting prevention tool is formed to be shorter than the protruding length of the protruding portion. The protrusion has a third surface facing the opening when the body is inserted into the arm member, and a fourth surface provided on the opposite side of the third surface from the opening. Have,
The third surface and the fourth surface are formed so as to approach each other as the distance from the facing surface increases,
A third corner sandwiched between the third surface and the facing surface and a fourth corner sandwiched between the fourth surface and the facing surface face each other, and a third angle of the third corner is It is formed so as to be smaller than the fourth angle of the fourth corner. The nesting prevention tool for a wrist according to claim 5 or 6, characterized in that

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