JP2949563B2 - Fastener for binding band and binding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding band fastener for binding a plurality of electric wires and a binding device using the binding band fastener.

[0002]

2. Description of the Related Art Conventionally, as an example of this type of binding apparatus, one disclosed in Japanese Utility Model Laid-Open No. 2-97258 has been proposed. As shown in FIG. 10A, this is a binding device 1 including a binding band 1a that can be bent and a binding band fastener 1b for fastening both sides of the binding band 1a. The binding band fastener 1b has a synthetic resin fastener body 2 formed in a tubular shape, and a partition wall 3 is integrally formed at a central portion in the fastener body 2 to thereby form the fastener body 2 A pair of binding band insertion holes 4, 4 partitioned by a partition wall 3 therein.
Are provided in the respective binding band insertion holes 4, 4, and the binding band engaging pieces 5, 5 are respectively arranged in a substantially C-shape extending outward in the binding band insertion direction E. The pieces 5, 5 have base end portions integrally projecting from the partition wall 3 so as to be elastically displaceable, and have tip portions inserted into the respective binding band insertion holes 4, 4. 6.

In the above configuration, for example, when binding a plurality of electric wires F, first, one side of the binding band 1a is pushed into one binding band insertion hole 4 of the fastener body 2. As a result, one of the binding band engaging pieces 5 in the one binding band insertion hole 4 is pushed by one side of the binding band 1a and elastically displaced around its base end, so that the binding band 1a By allowing the pushing of one side portion and stopping the pushing, the tip of one of the binding band engaging pieces 5 is engaged with the uneven side surface 6 of the one side portion, and the One side has one binding band insertion hole 4
It can be locked so that it does not fall out. Next, the binding band 1a is bent into a substantially U-shape so that the uneven side surface 6 is set inside, and the binding band 1a is externally fitted to the electric wire F.
a is pushed into the other binding band insertion hole 4 of the fastener body 2. This produces the same effect as above,
The other side of the binding band 1a can be locked so as not to fall out of the other binding band insertion hole 4. By performing the binding operation by the binding device 1 at predetermined intervals along the electric wires F as shown by a solid line in FIG. 2B, the plurality of electric wires F can be bundled together.

[0004]

In the above-mentioned conventional configuration,
After binding the plurality of electric wires F with the binding device 1, FIG.
As shown by the phantom line, when it is found that the electric wire F is loose, or when it is necessary to re-bind the wire F, the distal end of each of the banding band engaging pieces 5 and 5 can be released. The portion is fitted in the concave portion 6a of the uneven side surface 6 of the binding band 1a, and the fitted state cannot be released.

The present invention has been made in view of the above-mentioned conventional drawbacks, and for example, a plurality of electric wires can be easily and securely bound together.
It is an object of the present invention to provide a binding band fastener and a binding device that can easily release the binding state.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a partition wall is integrally formed at a central portion of a cylindrical synthetic resin fastener body. A pair of binding band insertion holes separated by a partition wall are provided in the fastener main body, and an outwardly extending binding band engagement separated from the partition wall in the binding band insertion direction in each of the binding band insertion holes. The base end of the piece elastically deforms on the partition wall.
The outer sides of the outer ends of the binding band engaging pieces are connected to each other, and both sides of the binding band are
A claw is formed which engages with the uneven side surface of the binding band when bent into a substantially U-shape so as to be inward and is inserted into each of the binding band insertion holes, and the at least one binding band engaging piece is formed. Opposite to the insertion direction of both sides of the binding band
Tip of a tool inserted into the binding band insertion hole from
A tool engaging portion is formed, the end of which can be engaged. The tool engaging portion is engaged with the tip of the tool and pressed to elastically displace the banding band engaging piece and thereby to engage the claw with the concave portion of the banding band. It is characterized in that it is configured to be detached from the engagement portion.

According to a second aspect of the present invention, there is provided a binding band capable of curving having a concave and convex side surface in which a large number of concave portions and convex portions are formed alternately and continuously along a longitudinal direction, and the concave and convex side surfaces are formed inside. And a binding band fastener for fastening both sides of the binding band which is bent in a substantially U-shape. The binding band fastener has a synthetic resin fastener body formed in a cylindrical shape. Then, by integrally forming a partition wall in the center portion of the fastener main body, a pair of binding band insertion holes separated by the partition wall is provided in the fastener main body, and each of the binding band insertion holes is provided in each of the binding band insertion holes. bullet base end of the binding band engagement piece of the outer spread on the partition wall away from the partition wall toward the binding band insertion direction
The binding band engaging pieces are connected to each other so that the outer sides of the binding band engaging pieces are outwardly spread, and both side portions of the binding band are provided with uneven side surfaces.
A hook is formed which engages with the concave and convex side surface of the binding band when bent into a substantially U-shape so as to be on the side and is inserted into each of the binding band insertion holes; In the direction opposite to the insertion direction on both sides of the binding band
Of the tool inserted from the direction into the binding band insertion hole
A tool engaging portion capable of engaging with the engaging portion, the tip portion of the tool is engaged with the tool engaging portion and pressed to elastically displace the binding band engaging piece, and the claw is engaged with the concave portion of the binding band. It is characterized in that it is configured to be separated from the joint.

[0008]

In the above configuration, for example, when binding a plurality of electric wires, first, one side of the binding band is pushed into one binding band insertion hole of the fastener body. Thereby, one of the binding band engaging pieces in the one of the binding band insertion holes is pushed and elastically displaced by one side of the binding band, and the pushing of the one side of the binding band is allowed, and Is stopped, the claw formed on the outer side of the tip of one of the binding band engaging pieces engages with the uneven side surface of one side of the binding band, and one side of the binding band is bound to one side. It can be locked so that it does not fall out of the band insertion hole. Next, after the binding band is bent into a substantially U-shape with the uneven side surface inside, and fitted to the electric wire, the other side of the binding band is inserted into the other binding band insertion hole of the fastener body. Push in. As a result, the same operation as described above occurs, and the other side of the binding band can be locked so as not to fall out of the other binding band insertion hole. And
By performing the binding operation by the binding device at predetermined intervals along the electric wires, a plurality of electric wires can be bundled together.

[0009] As described above, after a plurality of electric wires are bundled together by a binding device, if it is found that the electric wires are loose, or if it is necessary to re-bind the wires, at least one of them is necessary. The direction opposite to the direction in which both sides of the binding band are inserted into the tool engagement portion formed on the binding band engagement piece of
Were allowed to engage the tip of the tool to be inserted into one of the binding band insertion hole, you can press the tool into the partition wall side. As a result, the binding band engaging piece is elastically displaced from the base end side , and the claw formed on the outer side of the distal end portion of the binding band engaging piece is disengaged from the concave portion engaging portion on the uneven side surface of the binding band. The state can be released. Next, after the wire is pulled to remove the slack, the same operation as above is performed again, so that the claws of the binding band engaging piece re-engage with the uneven side surfaces of the binding band, and the Both sides can be locked so as not to fall out of the binding band insertion hole.

In this case, the tool is bent in a substantially U-shape.
Binding from the opposite side of the side where the curved part of the
Is passed through a bundle band insertion hole, by simply pressing the front end portion of its is engaged with the tool engagement portion, it is possible to cancel the binding state easily, in order to release the binding state, bundling Since there is no need to break and remove the device, there is no need to prepare an extra number of the binding devices more than necessary, and wiring costs can be reduced.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a state in which a plurality of electric wires F are bound by a binding device 10 according to a first embodiment of the present invention. And a fastener 10b for a binding band made of a resin-integrated molded product for fastening both sides of the binding band 10a.

The binding band 10a is made of a bendable synthetic resin material. As shown in FIG. 4, a plurality of core materials 11 made of, for example, aramid fiber called Kevlar (registered trademark) are formed inside the binding band 10a. Buried along the direction,
Excellent in durability and weather resistance. Further, on one side surface thereof, there is provided a concavo-convex side surface 12 in which a large number of concave portions 12a and convex portions 12b are formed alternately and continuously along the longitudinal direction. As an example of specific dimensions, the width L is 7 mm and the thickness T is 1.5 mm.

As shown in FIGS. 1 to 4, the binding band fastener 10b has a fastener body 14 formed in a rectangular tubular shape, and a partition wall 15 is provided at a central portion in the fastener body 14. Are integrally formed, a pair of binding band insertion holes 16, 16 partitioned by a partition wall 15 are provided in the fastener body 14, and the binding band engaging pieces are provided in the respective binding band insertion holes 16, 16. 17, 17 are arranged in a substantially C-shape extending outwardly in the binding band insertion direction E, and the binding band engaging pieces 17, 17 have the base end portions through the thin hinge portions 18, and A projection 17a is formed on the partition wall 15 so as to be elastically displaceable, and a claw 17a formed on the outer end of the partition wall 15 is substantially U-shaped.
And the both sides of each of the binding band insertion holes 16,
It is configured to engage with the concave and convex side surface 12 of the binding band 10a inserted through 16. As an example of specific dimensions, the longitudinal length M of the fastener body 14 is 10 mm, its lateral length W is 12 mm, and its height H is 14.4 mm.
It is.

As shown in FIG. 1, the front portions 20 and 21 of the top plate portion 14a and the bottom plate portion 14b facing the partition wall 15 of the fastener main body 14 are moved outward in the direction opposite to the binding band insertion direction E. The recesses 20a, 21a are inclined so as to expand, and the front end portions of both front side portions 20, 21 are notched.
Are formed, so that both sides of the binding band 10a can be easily inserted into the binding band insertion holes 16, 16. Further, the electric wire contact surface 22 of the fastener main body 14 is formed in a concave shape, so that the electric wire contact surface 22
The contact area between the wire F and the wire F is enlarged so that the wire F can be securely bound. Further, a flange 23 is integrally formed on the outer peripheral surface of the fastener main body 14 to facilitate gripping of the binding band fastener 10b.

A tool engaging concave portion (tool engaging portion) 25a is formed at an end surface of a ridge portion 25 integrally projecting along the binding band insertion direction E at the center of the back surface of each of the binding band engaging pieces 17, 17. And the binding as shown by a virtual line in FIG.
Bundled from opposite direction to insertion direction E on both sides of band 10a
Tip portion 26 of tool 26 that can be inserted into band insertion hole 16
is engaged with each of the tool engaging recesses 25a and is pushed toward the partition wall 15, whereby the respective binding band engaging pieces 17, 17 are elastically displaced about the hinge portions 18, 18, and the respective binding band members The claws 17a, 17a of the mating pieces 17, 17 are pulled out from the concave portions 12a of the uneven side surface 12 of the binding band 10a, and the binding state can be released.

In the above configuration, when the electric wires F are to be bundled together, one binding band insertion hole of a large number of binding band fasteners 10b is previously provided as shown by a solid line in FIG. By inserting the long binding band 10a through the 16, a large number of binding band fasteners 10b are locked in a daisy chain on one side of the long binding band 10a. In this case, the claw 17a of one binding band engaging piece 17 of each binding band fastener 10b is
2a, the respective fasteners 10 for the binding band.
b cannot be moved leftward in the figure along the binding band 10a. Next, at the work site, as shown by the imaginary line in FIG. 5 (a), a large number of the binding band fasteners 10b locked to the binding band 10a were sequentially moved rightward in the figure from the end. Thereafter, the other side of the binding band 10a is cut as shown by a dashed line G, and as shown by a solid line in FIG. A binding band 10a having a length is formed.

Next, as shown by a virtual line in FIG.
The other side of the binding band 10a is bent into a substantially U-shape so as to be fitted on a plurality of electric wires F, and the binding band 10a
It is only necessary to insert the other side portion into the other binding band insertion hole 16 of the binding band fastener 10b. Thereby, the binding band engaging piece 17 arranged in the other binding band insertion hole 16 is pushed by the other side of the binding band 10a and is elastically displaced, and the pushing of the other side of the binding band 10a is allowed. And by stopping the pushing,
The claw 17a of the binding band engaging piece 17 engages with the uneven side surface 12 of the binding band 10a by its elastic force, and FIG.
As shown in (c), both sides of the binding band 10a can be locked so as not to fall out of the binding band insertion holes 16, 16. In addition, as shown by the imaginary line in FIG. 5B, when the other side portion of the binding band 10a protrudes extra, the extra protruding portion may be cut as shown by a dashed line I. Good. By performing the binding operation at predetermined intervals along the electric wires F in the above procedure, the plurality of electric wires F can be bundled together.

As described above, the plurality of electric wires F are connected to the binding device 1.
After binding at 0, if the wire F is found to be loose (see the phantom line in FIG. 10 (b)), and if it is desired to re-bind the wire F, as shown by the phantom line in FIG. 2
6 in a direction opposite to the insertion direction E on both sides of the binding band 10a.
From the front end 2
6a may be engaged with the tool engaging recess 25a and pushed toward the partition wall 15. Thereby, the binding band engaging piece 17
Is elastically displaced toward the partition wall 15, the claws 17a of the binding band engaging pieces 17 are disengaged from the concave portions 12a of the uneven side surfaces 12 of the binding band 10a, and the binding state can be released.

Next, after pulling the electric wire F to remove the slack, it is only necessary to push the end of the binding band 10a into the binding band insertion hole 16 of the binding band fastener 10b again. Thereby, the claw 1 of the binding band engaging piece 17 is
7a is re-engaged with the uneven side surface 12 of the binding band 10a by its elastic force, and both sides of the binding band 10a can be locked so as not to fall out of the binding band insertion holes 16, 16.

FIGS. 6 to 8 show a state in which a plurality of wires F are bound by a binding device 10 according to a second embodiment of the present invention. A thin hinge portion 18 for connecting the binding band engaging pieces 17 of the fastener 10b to the partition wall 15 is provided at an intermediate portion from the base end of each of the binding band engaging pieces 17 and 17, and A tool insertion portion (tool engagement portion) 25b is provided through the center of each hinge portion 18, and as shown by phantom lines in FIG. 6, the forked tip portions 26b of the tool 26 are bound by a binding band.
Only by inserting the tool insertion portions 25b, 25b from opposite directions to the insertion direction E on both sides of the dowel 10a , the forked band engaging pieces 17, 17 are formed by the forked tip portions 26b, 26b.
Is pressed, the binding band engaging pieces 17, 17 are elastically displaced around the hinge portions 18, 18, and the claws 17a, 17a of the binding band engaging pieces 17, 17 are attached to the binding band 10a. Is pulled out from the concave portion 12a of the concave-convex side surface 12 so that the binding state can be released. Since the configuration, operation and effect other than the above are almost the same as those of the first embodiment, the same portions are denoted by the same reference numerals and description thereof will be omitted.

In the second embodiment, the tool insertion portion 25b
Are provided at the center of each hinge 18, but tool insertion portions 25 b may be provided at both sides of each hinge 18 as shown in FIG. 9 (third embodiment). Also, the two binding band engaging pieces 1 are provided by two tip portions 26b, 26b provided on the tool 26.
7 and 17 are simultaneously elastically displaced to release the binding state. However, only one tip 26b is provided on the tool 26, and the two binding band engaging pieces 17, 17 are separately provided by the one tip 26b. The united state may be released by elastic displacement. Further, the tool insertion holes 25b are formed in both hinge portions 18, but at least one of the hinge portions 1 is formed.
It is only necessary that a tool insertion hole 25b is formed in 8.

[0022]

According to the first aspect of the present invention, one side of the binding band is pushed into one of the binding band insertion holes of the fastener body, and the other side of the binding band is bent in a substantially U-shape. Then, for example, only by externally fitting a plurality of electric wires and pushing it into the other binding band insertion hole of the fastener main body, the claws of each binding band engaging piece engage with the uneven side surface of the binding band by its elastic force. , both sides of the binding band is locked so as not to come out the binding band through holes, of course that the same may be easily reliably bundling the plurality of wires, interpolation of the binding band
Just by pushing the tip of the tool into the tool engaging portion from the direction opposite to the passing direction and pushing, the claw of the binding band engaging piece is disengaged from the concave engaging portion on the uneven side surface of the binding band, and the binding state Can be easily released.

According to the second aspect of the invention, the same effects as those of the first aspect of the invention can be obtained, and a tie band and a fastener for a tie band are provided. Although the number of components is the same as that of the binding device, the binding state can be easily released.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state in which a plurality of electric wires are bound by a binding device according to a first embodiment of the present invention.

FIG. 2 is a view as viewed in the direction of arrows AA in FIG. 1;

FIG. 3 is a view taken in the direction of arrows BB in FIG. 1;

FIG. 4 is an exploded perspective view of the same.

FIGS. 5A to 5C are schematic side views showing the binding procedure.

FIG. 6 is a longitudinal sectional view showing a state where a plurality of electric wires are bound by a binding device according to a second embodiment.

FIG. 7 is a view taken in the direction of the arrows CC in FIG. 6;

FIG. 8 is a view as viewed in the direction of the arrow DD in FIG. 6;

FIG. 9 is a cross sectional view showing a third embodiment.

10A is a side view showing a state in which a plurality of electric wires are bound by a conventional binding device, and FIG. 10B is a state in which a plurality of electric wires are bundled together by a plurality of binding devices. FIG.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 10 bundling device 10a bundling band 10b bundling fastener 12 rugged side surface 12a recess 14 brace body 15 partition wall 16 bundling band insertion hole 17 bundling band engagement piece 17a claw 18 hinge portion 25a tool engagement recess (tool engagement) Part) 25b Tool insertion part (tool engagement part) 26 Tool F Electric wire

Claims (2)

(57) [Claims] 1. A partition wall is integrally formed at a central portion in a cylindrical synthetic resin fastener main body, so that a pair of binding band insertion holes partitioned by the partition wall are formed in the fastener main body. A base end portion of a binding band engaging piece which is provided in each of the binding band insertion holes and which is separated from the partition wall in the binding band insertion direction and is separated from the partition wall so as to be elastically displaceable to the partition wall; Outside the outer end of the band engaging piece,
Both sides of the cable tie will be on the uneven side
Pawl which engages with the uneven side of the binding band is formed the by curved in Uniryaku U-shape when being inserted into the binding band through holes, said at least one of the binding band engaging piece, the bundling From the opposite direction to the insertion direction on both sides of the band
The tip of the tool inserted into the binding band insertion hole engages
A possible tool engaging part is formed, and the tool engaging part is attached to the tool engaging part.
A fastener for a binding band, characterized in that a binding band engaging piece is elastically displaced by engaging and pressing an end portion to release the claw from a concave portion engaging portion of the binding band. 2. A curable binding band having an uneven side surface in which a large number of concave portions and convex portions are formed alternately and continuously along a longitudinal direction, and a substantially U-shape with the uneven side surface inside. And a binding band fastener for fastening both sides of the binding band that has been bent into a shape. The binding band fastener has a synthetic resin fastener body formed in a cylindrical shape, and the fastener body By forming a partition wall integrally at the center of the inside, a pair of binding band insertion holes partitioned by the partition wall are provided in the fastener body, and each binding band insertion hole faces in the binding band insertion direction. the proximal end of the binding band engagement pieces open outward away from the partition wall is connected to be elastically displaced in the partition wall, the distal end portion outside of the outer extent of the binding band engaging pieces, forming Te
Place both sides of the bundle band approximately U so that the uneven side faces are on the inside.
And-shape is curved and are inserted into the respective binding band through holes
Pawl which engages with the uneven side of the binding band is formed when the at least one of the binding band engaging piece, said formation
From the direction opposite to the insertion direction on both sides of the bundling band,
A tool engaging portion engageable with the tip of a tool inserted into the dowel insertion hole is formed, and by engaging the tool tip with the tool engaging portion and pressing the tool , the binding band engaging piece is elastically deformed. A binding device, wherein the claw is displaced to disengage the claw from a concave portion engagement portion of the binding band.