JP6561549B2 - Wire repair cover - Google Patents

Description

  The present invention relates to an electric wire repair cover that is attached to an electric wire repair portion with an indirect hot wire tool or the like.

  Conventionally, in order to ensure insulation, the sleeve that connects the wires or where the insulation wire is stripped is wrapped with adhesive polyethylene tape or an insulated wire repair cover. (For example, refer to Patent Document 1). In this wire repair cover, the first cover and the second cover can be freely opened and closed via a hinge, and a plurality of engagement holes are provided at the opening edge of the first cover. A plurality of engagement pieces are provided on the opening edge. And a 1st cover and a 2nd cover are closed in the state which pinched | interposed repair parts, such as a sleeve, and each engaging piece is each engaged with the engaging hole which opposes.

JP 2002-159114 A

  By the way, when attaching the wire repair cover by the indirect hot wire method, it is necessary to engage each engagement piece with the engagement hole using a long bar-shaped indirect hot wire tool, which is a heavy burden for the operator, It takes time and effort. Further, not only a difference in work time occurs depending on the skill / skill of the worker, but also a difference in work quality may occur. That is, when an inexperienced and inexperienced worker performs, the engagement piece may not properly engage with the engagement hole, or only some of the engagement pieces may engage with the engagement hole. .

  If there is such an engagement failure, the first cover and the second cover may open (open mouth) with the passage of time. In addition, in order to prevent such opening of the mouth, the tape may be wound from the first cover and the second cover closed, but in order to wind the tape using an indirect hot wire tool, It takes a lot of time and effort.

  Accordingly, an object of the present invention is to provide an electric wire repair cover that can reliably prevent opening of the mouth and is easy to handle.

In order to solve the above problems, a first aspect of the invention, cylindrical cover body, is composed of a first cover and a second cover freely opening and closing via a hinge along the axis, the first An engagement hole is provided at the opening edge of the cover, and an engagement piece is provided at the opening edge of the second cover at a position facing the engagement hole. by engaging and inserted into Goana, the wire repair cover covering the repair portion of the wire to close the second cover and the first cover, provided on the outer circumferential surface of the cover body, concave The disposition groove extends over the entire circumference and can be arranged by fitting the binding band, and is provided so as to straddle the disposition groove on the outer peripheral surface of the cover body , and the binding band is movably clamped by the disposition groove comprising a clamping portion, and the between the arrangement grooves and the clamping portion Band of the bundle bands are inserted, the band portion is wound around the cover body along the arrangement groove, tightening the binding band prevents mouth opening of the cover body, characterized in that.

  According to this invention, the first cover and the second cover are closed in a state where the repair portion of the electric wire is sandwiched, the binding band is inserted between the sandwiching portion and the placement groove, and the binding band is placed in the placement groove. Wrap it around the cover body and tighten it.

According to the invention of claim 1, after the cover body is closed by inserting and engaging the opposing engagement pieces provided in the second cover into the engagement holes of the first cover, the clamping portion The band part of the binding band is inserted between the mounting groove and the band part is wound around the cover body along the positioning groove, and the binding band is tightened to the cover body, thereby reliably preventing the opening of the cover body. It becomes possible. In addition, since the binding band is wound in a state of being arranged in the arrangement groove, the binding band is prevented from being displaced and tightened more reliably, and the mouth opening can be more reliably prevented.

  Further, since the binding band may be wound around the cover body and tightened, handling (attachment work) is easy, and the burden on the operator can be reduced and the work time can be shortened. Moreover, since the binding band is sandwiched and temporarily held between the sandwiching portion and the arrangement groove, and the binding band is movable in this state, the binding band can be easily wound around the cover body, and handling is easier. Become.

According to the first aspect of the present invention, the opening of the cover body can be surely prevented, and as a result, the exposure of the repaired portion of the electric wire due to the falling off of the cover main body (cover for repairing the electric wire) is prevented. It becomes possible to improve the nature. Moreover, the repair work resulting from the falling off of the cover main body can be reduced.

It is a front view which shows the electric wire repair cover which concerns on Embodiment 1 of this invention. It is a top view which shows the inside which opened the electric wire repair cover of FIG. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a top view which shows the binding band which concerns on Embodiment 1 of this invention. It is a front view which shows the electric wire repair cover which concerns on Embodiment 2 of this invention. It is CC sectional drawing of FIG. It is the D section enlarged view of FIG.

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

(Embodiment 1)
FIG. 1 is a front view showing a wire repair cover 1 according to this embodiment. This electric wire repair cover 1 is an electrically insulating cover that is attached to an electric wire repair portion with an indirect hot wire tool or the like, and includes a substantially cylindrical cover body 2 and a plurality of arrangement grooves 5 and clamping portions 6. Yes. Here, the repair portion includes a sleeve for connecting the wires, a portion where the insulation wire is stripped, and the like. The indirect hot wire tool is a tool used in the indirect hot wire method in which work is performed in an energized state, that is, the work is performed without the operator directly contacting the wire repair cover 1, the electric wire, the electric device, or the like. For this purpose, various operations and operations can be performed by attaching various tip tools (such as Yatsuko) to the common joint / tip of the long common operation rod.

  As shown in FIG. 2, the cover body 2 includes a first cover 3 and a second cover 4 that can be opened and closed and rotated via a hinge 21 along the axis. As shown in FIG. 3, the covers 3 and 4 have a substantially semicircular cross section, and are formed so that the entire cover body 2 is substantially cylindrical when closed. Further, the inner diameter / inner shape of the cover body 2 is set so that the first cover 3 and the second cover 4 are closed to cover (pinch) the repaired portion of the electric wire.

  As shown in FIGS. 1 and 2, the opening edge (on the side opposite to the hinge 21) of the first cover 3, that is, the opening edge 3a, has a plurality of square hole-like engaging holes 31 (this embodiment). In the form, three of the central part and both end parts are formed. As shown in FIG. 3, an engaged portion 311 having a substantially rectangular cross section is provided on the opening edge 3 a side of the engagement hole 31. That is, the peripheral edge (remaining part) on the opening edge 3 a side of the square hole-shaped engagement hole 31 is the engaged part 311.

  A plurality of engagement pieces 41 are formed on the edge of the second cover 4 on the opening side (on the side opposite to the hinge 21), that is, on the opening edge 4 a so as to face the respective engagement holes 31. The engaging piece 41 is a claw having a substantially rectangular base end portion and a substantially trapezoidal tip end portion, and an engaging portion 411 that protrudes to the outer peripheral side of the cover body 2 is formed at the distal end portion. Then, the first cover 3 and the second cover 4 are closed, and the engaging piece 41 is inserted into the engaging hole 31 and pushed in, so that the engaging portion 411 is engaged with the engaged portion 311. The covers 3 and 4 are not opened.

  Further, on the opening edge 3a side of the first cover body 3, a fold-shaped first extending along the opening edge 3a inside the engagement hole 31 (center side of the first cover body 3). The rib 32 is formed. On the other hand, a pleated second rib 42 extending along the opening edge 4a is formed on the inner side (center side of the second cover 4) of the engagement piece 41 of the second cover 4. Then, with the cover main bodies 3 and 4 closed and the engaging portion 411 engaged with the engaged portion 311, the second rib 42 is positioned inside the first rib 32, and the engaging piece 41 The ribs 32 and 42 are formed and disposed so that the first rib 32 is sandwiched between the second rib 42 and the second rib 42.

  Moreover, as shown in FIG. 2, the adhesive 22 for joining with the repair part of an electric wire and the sealing material 23 which airtightly seals on the inner surface of the 1st cover 3 and the 2nd cover 4 are predetermined. A plurality of locations are arranged at each location. Furthermore, the opening edge 4a of the 2nd cover 4 is formed with the flat-shaped holding part 24 hold | gripped with an indirect hot wire tool.

  The arrangement groove 5 is a groove which is provided on the outer peripheral surface of the cover body 2 and is concave and extends over the entire circumference, and the binding band 100 shown in FIG. 5 can be arranged. That is, as shown in FIG. 1, the groove is recessed from the outer peripheral surface of the cover body 2 and extends in a ring shape along the circumferential direction of the cover body 2 as shown in FIG. 4. Further, the depth of the arrangement groove 5 is set to be slightly larger than the thickness of the band portion 101 of the binding band 100, and the width of the arrangement groove 5 is set to be slightly larger than the width of the band portion 101 of the binding band 100. The band portion 101 can be disposed so as to fit in the groove 5 (wrapped around the cover body 2).

  Here, the binding band 100 has the same configuration as that of Insulok (registered trademark), and a head portion 102 is provided at the base end portion of the band portion 101 as shown in FIG. Wave-shaped irregularities are continuously formed on the surface of the band portion 101, and a locking portion is provided on the head portion 102. Then, the band part 101 is wound around the object, and the tip part is inserted into the head part 102 and tightened, whereby the engaging part of the head part 102 is engaged with the unevenness of the band part 101, and the band part 101 becomes the head part. It is impossible to escape from 102.

  The clamping part 6 is provided in the cover main body 2 and clamps the binding band 100 with the arrangement groove 5 movably in the circumferential direction of the cover main body 2. That is, as shown in FIG. 1, the first cover 3 is provided so as to straddle the arrangement groove 5 on the outer peripheral surface, and the cross-sectional shape perpendicular to the axis of the cover body 2 is an arc shape as shown in FIG. 4. It is a small piece. By inserting the band portion 101 of the binding band 100 into the insertion space S between the sandwiching portion 6 and the placement groove 5, the band portion 101 is sandwiched between the sandwiching portion 6 and the placement groove 5. Further, the clamping part 6 is provided so that the band part 101 can move (in / out) along the arrangement groove 5 in this clamping state, that is, the band part 101 is not pressed by the clamping part 6 and the arrangement groove 5. Yes.

  Two pairs of the arrangement groove 5 and the clamping portion 6 are provided between the engagement holes 31 (engagement pieces 41) of the cover body 2.

  Next, a method for attaching the wire repair cover 1 having such a configuration will be described.

  First, the grip part 24 is gripped by an indirect hot wire tool with the cover body 2 opened, the inside of the cover body 2 is positioned at the repair part of the electric wire, and the adhesive part 22 is temporarily connected to the repair part. Next, the first cover 3 and the second cover 4 are closed with the electric wire repairing part sandwiched therebetween, and the respective engagement pieces 41 are inserted and pushed into the engagement holes 31 so that the respective engagement parts 411 are covered. Engage with the engaging portion 311.

  Subsequently, the two binding bands 100 are attached to the cover body 2. That is, as shown in FIG. 4, the band portion 101 of the binding band 100 is inserted between the holding portion 6 and the arrangement groove 5 (the band portion 101 is held between the holding portion 6 and the arrangement groove 5 and temporarily held. ) The band portion 101 is wound around the cover body 2 along the fitting groove 5 (fitted together). The band portion 101 is tightened by inserting and pulling the tip of the band portion 101 into the head portion 102.

  As described above, according to the wire repair cover 1, not only the engagement pieces 41 are engaged with the engagement holes 31 but also the binding band 100 is tightened to close the cover body 2. It is possible to reliably prevent the opening of the mouth. That is, even if the engagement piece 41 does not properly engage with the engagement hole 31 or only a part of the engagement pieces 41 engages with the engagement hole 31, the binding band 100 is tightened. Therefore, it is possible to reliably prevent the opening of the cover body 2. Moreover, since the band portion 101 of the binding band 100 is wound in a state of being fitted in the arrangement groove 5, it is possible to prevent the binding band 100 from being displaced and to be tightened more reliably and to prevent the mouth opening more reliably. Become.

  As a result of reliably preventing the opening of the cover main body 2, it is possible to prevent the exposure of the repaired portion of the electric wire due to the fall of the cover main body 2 (the electric wire repair cover 1), thereby improving safety and reliability. It becomes. Moreover, the repair work resulting from the drop-off of the cover body 2 can be reduced.

  Moreover, since the binding band 100 may be wound around the cover body 2 and tightened, handling (attachment work) is easy, and the burden on the operator can be reduced and the work time can be shortened. Moreover, since the band portion 101 is sandwiched between the sandwiching portion 6 and the arrangement groove 5 and the binding band 100 is temporarily held, and the binding band 100 is movable in this state, the binding band 100 can be easily attached to the cover body 2. It can be wound and handling becomes easier.

(Embodiment 2)
FIG. 6 is a front view showing the wire repair cover 10 according to this embodiment. This embodiment is different from the first embodiment in that a binding band portion 7 is provided instead of the arrangement groove 5 and the sandwiching portion 6, and the same reference numerals are given to the same components as those in the first embodiment. Therefore, the explanation is omitted.

  As shown in FIGS. 6 and 7, the opening edge 3a of the first cover 3 has a plurality of engaging holes 31 provided with engaged portions 311 as in the first embodiment (this embodiment). Then, three of the center part and both end parts are formed.

  A plurality of binding band portions 7 are provided on the opening edge 4 a of the second cover 4 so as to face the engagement holes 31. The binding band portion 7 has a belt shape that can be inserted into the engagement hole 31 and includes a plurality of engagement portions 71 that engage with the engaged portion 311 along the longitudinal direction. That is, as shown in FIG. 8, the engaging part 71 is continuously formed at a predetermined interval along the longitudinal direction of the surface. The engaging portion 71 protrudes on the outer peripheral side of the cover main body 2 and has a substantially triangular shape that is slanted toward the distal end side of the binding band portion 7, and the space between the engaging portion 71 and the engaging portion 71 is recessed. A fitting portion 72 is formed. Further, the engaging portion 71 is not formed at the distal end portion 73 of the binding band portion 7 so that the distal end portion 73 can be easily inserted into the engaging hole 31.

  And the 1st cover 3 and the 2nd cover 4 are closed, the front-end | tip part 73 of the binding band part 7 is inserted in the engagement hole 31, and the front-end | tip part 73 which penetrated the engagement hole 31 is pulled. As a result, the binding band portion 7 is tightened while the engaging portion 71 is sequentially engaged with the engaged portion 311 (the engaged portion 311 is engaged with the fitting portion 72), and the first cover 3 and the first cover 3 are connected. The second cover 4 is completely closed.

  Thus, according to this embodiment, since the binding band portion 7 is tightened to close the cover main body 2, it is possible to reliably prevent the opening of the cover main body 2 as in the first embodiment. As a result, safety and reliability can be improved. In addition, since the binding band portion 7 may be inserted into the engagement hole 31 and tightened, handling (attachment work) is easy, and the burden on the operator can be reduced and the work time can be shortened.

  Further, since the binding band portion 7 is provided in the wire repair cover 10 itself, the work becomes easier as compared with the case where the binding band 100 separate from the wire repair cover 10 is wound. In addition, since only the binding band portion 7 needs to be tightened, the work becomes easier and the burden on the operator is reduced as compared with the case where the binding pieces 100 are engaged with the engagement holes 31 and the binding band 100 is tightened. And work time can be reduced.

  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 Embodiment 1, the small-piece pinching portion 6 is provided in the first cover 3. For example, the semicircular arc-shaped pinching portion 6 is provided, and the band portion 101 of the binding band 100 is provided in the arrangement groove 5. You may make it easy to wind.

DESCRIPTION OF SYMBOLS 1, 10 Electric wire repair cover 2 Cover main body 21 Hinge 3 1st cover 31 Engagement hole 311 Engagement part 4 2nd cover 41 Engagement part 411 Engagement part 5 Arrangement groove 6 Clamping part 7 Binding band part 71 Engagement part 72 Fitting part 100 Binding band

Claims (1)

A cylindrical cover body is composed of a first cover and a second cover that can be opened and closed via a hinge along an axis, and an engagement hole is provided at an opening edge of the first cover. Engagement pieces are respectively provided at positions facing the engagement holes at the opening edge of the cover of the second cover, and the first engagement piece is inserted into and engaged with the engagement hole. In the wire repair cover that closes the cover and the second cover and covers the repair portion of the wire,
An arrangement groove that is provided on the outer peripheral surface of the cover body, extends in a concave shape over the entire circumference, and can be arranged by fitting a binding band;
A sandwiching portion provided on the outer peripheral surface of the cover main body so as to straddle the placement groove, and sandwiching the binding band with the placement groove movably;
With
A band portion of the binding band is inserted between the sandwiching portion and the arrangement groove, the band portion is wound around the cover body along the arrangement groove, and the binding band is tightened to open the mouth of the cover body To prevent opening,
An electric wire repair cover.

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