JP2009116020A - Tag attachment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tag attachment, capable of easily and firmly attaching a tag with string to a switch of a breaker. <P>SOLUTION: The tag attachment 1 includes a body 2 with annular shape to be detachably installed to a switch 201 by inserting the switch 201 to the inside of the annular shape, and through-holes 3 and 4 for inserting a string 102 of an operation prohibition tag 100, formed in a direction crossing the inserting direction of the switch 201. The string 102 is held between the body 2 and the switch 201 by inserting the string 102 to the through-holes 4 and 3 of the body 2 and inserting the switch 201 into the body 2, thereby the operation prohibition tag 100 is attached to the switch 201. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a tag attachment for attaching a tag such as an operation prohibition tag with a string to an NFB (No Fuse Breaker) switch or the like.

  For example, at power plants, equipment maintenance work is regularly performed. At the time of this maintenance work, an electrical lock is always performed before the work from the viewpoint of personal protection and safety. For example, the breaker switch (operating lever) is turned off to shut off electricity. An operation prohibition tag is attached to the switch so that a third party does not accidentally turn on the breaker switch to release the electrical lock during maintenance work.

As shown in FIG. 7, the operation prohibition tag has a string 102 attached to a plate-shaped bill body 101 in a ring shape, and a note such as “operation prohibited” is written on the tag body 101. . The string 102 is wound around the rod-like switch 201 of the breaker 200, and the operation prohibition tag 100 is attached to the switch 201. In addition, when performing work such as maintenance and inspection of the power transmission / distribution system, a breaker is known in which the switch is kept off and the safety of the work is improved so as not to malfunction (for example, see Patent Document 1). .)
Japanese Patent Application Laid-Open No. 07-212216

  By the way, in maintenance work of a power plant, a huge number of devices and facilities are inspected and repaired, and it is necessary to attach operation prohibition tags to all objects. However, in the mounting method as described above, the string 102 must be wound around the switch 201, and only one operation prohibition tag 100 is required. It takes time. Furthermore, since the operation prohibition tag 100 is attached simply by winding the string 102 around the switch 201, the operation prohibition tag 100 may be detached from the switch 201 due to vibration, wind power, or the like.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a tag attachment that enables a tag with a string to be easily and firmly attached to a breaker switch or the like.

  In order to achieve the above object, the invention according to claim 1 is a tag mounting tool for mounting a tag with a string on a rod-shaped operation lever such as a switch of a breaker. A through-hole is formed in the main body that is detachably attached to the operation lever by inserting the operation lever in a direction intersecting the direction in which the operation lever is inserted. Features.

  According to this invention, by passing the bill string through the through hole of the main body and inserting the operation lever into the main body, the tag string is held between the main body and the operation lever, and the bill is attached to the operation lever.

  According to a second aspect of the present invention, in the tag fixture according to the first aspect, the through hole is formed in a notch shape from one side of the main body, and the string of the tag can be inserted from the opening of the notch. It is characterized by becoming.

  According to a third aspect of the present invention, in the tag fixture according to the first aspect, a locking portion that protrudes from the surface of the main body and locks the string is provided in the vicinity of the through hole. It is characterized by.

  According to a fourth aspect of the present invention, in the tag fixture according to the first aspect, the movement of the operation lever is located in a gap between the frame located on the base end side of the operation lever and the base end portion. The restraining part which restrains is provided in the said base end part side of the said main body, It is characterized by the above-mentioned.

  According to the invention described in claim 1, since the tag is attached to the operation lever in a state where the string of the tag is sandwiched between the main body and the operation lever, there is no possibility that the tag is detached from the operation lever due to vibration or wind force, The attachment of the bill becomes firm. In addition, the bill can be attached to the control lever simply by inserting the string of the bill through the through hole of the main unit and inserting the operation lever into the main unit. Time and effort are reduced.

  According to the second aspect of the present invention, since the through hole has a notch shape, and the tag string can be inserted through the opening of the notch, the string is more stringent than when the string is passed through a closed hole such as a round hole. Is easy to insert (insert). As a result, the work of attaching the bill is further facilitated.

  According to the third aspect of the present invention, since the locking portion is provided in the vicinity of the through-hole, by locking the tag string to the locking portion, the fixing of the string becomes strong. The installation becomes even more solid.

  According to the fourth aspect of the present invention, since the main body is provided with the restraining portion, the movement of the operation lever is restrained by the restraining portion when the main body is attached to the operation lever, thereby preventing the operation lever from malfunctioning. can do.

  The present invention will be described below based on the illustrated embodiments.

(Embodiment 1)
FIG. 1 is a perspective view showing a tag mounting tool 1, an operation prohibition tag (tag) 100, and a switch (operation lever) 201 according to this embodiment. In the operation prohibition tag 100, a note such as “Prohibit operation” is written on a plate-shaped tag body 101 made of paper, resin, etc., a string 102 is passed through a string hole 101a of the tag body 101, and the string 102 is It is formed in an annular shape (ring shape). In this embodiment, the switch 201 is a switch of an NFB (no fuse breaker) 200 as shown in FIG. 2, and has a quadrangular bar shape in cross section and is disposed so as to protrude forward from the switch frame (frame) 202. Has been. That is, the switch frame 202 is positioned on the base end 201 a side of the switch 201 and is disposed so as to surround the movable range of the switch 201. Here, FIG. 2 shows an off state in which the switch 201 is positioned on the lower side of the switch frame 202, and the on state is obtained when the switch 201 is positioned on the upper side of the switch frame 202.

  The tag attachment 1 is an auxiliary tool for attaching the operation prohibition tag 100 to such a switch 201, and through holes 3 and 4 are formed in the annular main body 2. That is, the main body 2 is made of rubber having high elasticity, and is formed in an annular shape having an inner and outer shape. The width W1 in the ring is set to be the same size or slightly smaller than the width W2 of the switch 201, and the height H1 in the ring is set to be the same size or slightly smaller than the height H2 of the switch 201. ing. Then, by inserting (press-fitting) the switch 201 into the ring of the main body 2, the tag attachment 1 (main body 2) is attached to the switch 201, and by pulling the main body 2 out of the switch 201, the tag attachment 1 is It can be removed (removable). Here, the material (stretchability) and size (width W1, height H1, thickness) of the main body 2 are set so that the switches 201 can be attached to switches 201 having different sizes to some extent.

  Two through holes 3 and 4 are formed in such a main body 2 in a direction intersecting with a direction in which the switch 201 is inserted (an axial direction of the ring). That is, the first through hole 3 is formed in the upper wall 2 a of the main body 2, the second through hole 4 is formed in the lower wall 2 b of the main body 2, and the first through hole 3 and the second through hole 4 The diameter is set to a size large enough to pass the string 102 of the operation prohibition tag 100. Further, the first through-hole 3 and the second through-hole 4 are formed concentrically, and the line connecting the two through-holes 3 and 4 is substantially orthogonal to the axial direction of the ring of the main body 2. Yes.

  Next, the operation of the tag mounting tool 1 having such a configuration and a method of mounting the operation prohibition tag 100 by the tag mounting tool 1 will be described.

  First, as shown in FIG. 1, the string 102 of the operation prohibition tag 100 is passed through the through holes 4 and 3 in the order of the second through hole 4 and the first through hole 3 of the main body 2 (in the direction of S1 in the figure). The upper part of the string 102 is projected from the upper wall 2a of the main body 2. In this state, the switch 201 is inserted into the ring of the main body 2 (in the direction of S2 in the figure). As a result, as shown in FIG. 2, the string 102 is held between the inner peripheral surface of the main body 2 and the switch 201, and the operation prohibition tag 100 is attached to the switch 201 via the tag attachment 1.

  As described above, according to the tag mounting tool 1, the operation prohibition tag 100 is attached to the switch 201 in a state where the string 102 of the operation prohibition tag 100 is held between the main body 2 and the switch 201. For example, the operation prohibition tag 100 is not likely to be detached from the switch 201, and the operation prohibition tag 100 is firmly attached. In addition, the operation prohibition tag 100 can be attached to the switch 201 simply by inserting the string 102 through the through holes 4 and 3 of the main body 2 and inserting the switch 201 into the main body 2. Even when the prohibition tag 100 is attached, time and labor are reduced.

(Embodiment 2)
FIG. 3 is a perspective view showing the tag fixture 11 according to this embodiment, and the same or equivalent configuration as in the first embodiment will be described with the same reference numerals.

  The main body 2 has an annular shape with an inner and outer shape, the first through hole 3 is formed in the upper wall 2a, and the second through hole 4 is formed in the lower wall 2b. The first through-hole 3 and the second through-hole 4 have the same shape and are formed so as to overlap on the same axis. The first through-hole 3 will be described as an example. It is formed in a slit shape cut out from one side of the opening side. The string 102 of the operation prohibition tag 100 can be simultaneously inserted into and removed from the through holes 3 and 4 through the notch openings of the through holes 3 and 4 (can be inserted).

  Further, an engaging portion 5 that protrudes from the surface of the upper wall 2a is formed adjacent to the end portion of the first through hole 3 (the center side of the upper wall 2a). The height of the locking portion 5 is set so that the annular string 102 can be sufficiently locked (hooked).

  In order to attach the operation prohibition tag 100 to the switch 201 with such a tag mounting tool 11, first, the string 102 of the operation prohibition tag 100 is inserted into the through holes 3 and 4 from the openings of the through holes 3 and 4. The string 102 is locked to the locking portion 5. Then, the switch 201 is inserted into the ring of the main body 2 from the opening side of the through holes 3 and 4 (direction S3 in the figure). Accordingly, the operation prohibition tag 100 is attached to the switch 201 via the tag attachment 11 in a state where the string 102 is locked to the locking portion 5 and is held between the main body 2 and the switch 201.

  According to the tag attachment 11 having such a configuration, the string 102 can be simultaneously inserted into the through holes 3 and 4 from the openings of the through holes 3 and 4, so that the strings 102 are sequentially inserted as in the first embodiment. The string 102 can be easily inserted as compared with the case where the string 102 is inserted into the through holes 4 and 3. As a result, the operation of attaching the operation prohibition tag 100 can be performed more easily and quickly. In addition, by locking the string 102 to the locking portion 5, the string 102 is prevented from coming out of the through holes 3 and 4 when the switch 201 is inserted into the main body 2, and the string 102 is firmly fixed. The operation prohibition tag 100 is more firmly attached.

(Embodiment 3)
4 and 5 are perspective views showing the tag fixture 21 according to this embodiment, and the same or corresponding components as those in the first embodiment will be described with the same reference numerals.

  The main body 2 has an annular outer shape (tubular shape), and a restraining portion 6 is formed at an end portion of the switch 201 located on the base end portion 201a side in a state where the switch 201 is inserted into the ring. The restraining unit 6 is positioned (fitted) in the gap A between the switch frame 202 and the base end 201a of the switch 201 with the main body 2 mounted on the switch 201. As shown in FIG. The movement of the switch 201 is suppressed so as not to move to the gap A side.

  According to the tag attachment 21 having such a configuration, the main body 2 is provided with the suppression unit 6, so that the movement of the switch 201 is suppressed by the suppression unit 6 by attaching the main body 2 to the switch 201. For this reason, the malfunction of the switch 201 can be physically prevented.

  Although the embodiment of the present invention has been described above, the specific configuration is not limited to the above embodiment, and even if there is a design change or the like without departing from the gist of the present invention, Included in the invention. For example, in the above embodiment, the switch 201 can be inserted and penetrated into the main body 2, but as shown in FIG. 6, the end wall 7 that closes one opening is provided in the main body 2 to form a cap shape. It is good also as the tag attachment tool 31. In the second embodiment, the through holes 3 and 4 are formed in a cutout shape from one side of the open side of the upper wall 2a and the lower wall 2b, but the through holes 3 and 4 are formed in a cutout shape from the other side. May be formed. Furthermore, although the case where the operation lever is the switch 201 of the NFB 200 has been described, it is needless to say that the operation lever can be applied to other operation levers.

It is a perspective view which shows the tag attachment tool, operation prohibition tag, and switch which concern on Embodiment 1 of this invention. It is a perspective view which shows the state which attached the operation prohibition tag to the switch using the tag attachment tool of FIG. It is a perspective view which shows the tag attachment which concerns on Embodiment 2 of this invention. It is a perspective view which shows the tag attachment and switch concerning Embodiment 3 of this invention. It is a perspective view which shows the state which attached the operation prohibition tag to the switch using the tag attachment tool of FIG. It is a perspective view which shows the modification of the tag mounting tool of FIG. It is a perspective view which shows the state which attached the operation prohibition tag to the switch by the conventional method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tag attachment 2 Main body 3, 4 Through-hole 5 Locking part 6 Suppression part 11 Tag attachment 21 Tag attachment 31 Tag attachment 100 Operation prohibition tag (tag)
101 bill body 102 string 200 NFB
201 switch (control lever)
202 Switch frame (frame)

Claims (4)

A tag mounting tool for mounting a tag with a string on a rod-shaped control lever such as a breaker switch,
To the main body that is annular and is detachably attached to the operation lever by inserting the operation lever into the ring,
A tag mounting tool, wherein a through hole for passing the tag string is formed in a direction crossing a direction in which the operation lever is inserted.   2. The tag mounting tool according to claim 1, wherein the through hole is formed in a cutout shape from one side of the main body, and a string of the tag can be inserted from an opening of the cutout.   The tag mounting device according to claim 1, wherein a locking portion that protrudes from the surface of the main body and locks the string is provided in the vicinity of the through hole.   A restraining portion for restraining the movement of the operation lever is provided on the base end portion side of the main body, located in a gap between the frame located on the base end portion side of the operation lever and the base end portion. The tag mounting tool according to claim 1, wherein:

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