JP2001278329A - Synthetic resin fastening device for electric wire or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attach a synthetic resin fastening device for electric wire, cable or the like stably under the state of being locked unextractably to an attachment hole at an attachment panel, and to improve the strength against extraction. SOLUTION: The fastening device is equipped with a band part 1, a buckle part 2 having a band insertion hole 5 and connected to the base end of the band part 1, and an arrow-shaped holding leg part 3 projectingly formed being integral with the buckle part 2 for being inserted into an attachment hole 14 at an attachment panel 12. The holding leg part 3 is composed of a support 7 dangling from the buckle part 2 and a pair of movable holding pieces 8, 8 which are formed so as to turn from the front end of the support 7 toward the buckle part 2 and available for being expanded and contracted, and engagement steps 9 to be engaged unextractably with the attachment hole 14 of the attachment panel 12 are provided respectively at the middle part of each of the movable holding pieces 8. Parts 10 for thrusting operation and stabilizing leg pieces 11 are formed at the free end side of each of the movable holding pieces 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin tying tool used to tie and hold electric wires, cables, and the like that lie on a mounting panel such as a vehicle body panel.

[0002]

2. Description of the Related Art As such a synthetic resin tying device, there is, for example, one shown in FIGS. FIG.
As shown in the front view of FIG. 2, the synthetic resin tying tool is connected to a band portion 20 at a base end of the band portion 20, and a band insertion hole 2 through which a distal end of the band portion 20 is inserted.
1 and an arrow-shaped locking leg 23 which is integrally provided on the opposite side of the buckle portion 22 from the band portion 20. The locking leg 23 has a fixed locking piece 24 suspended from the buckle 22, and a movable locking foldable formable from the tip of the fixed locking piece 24 toward the buckle 22. And a piece 25. Engaging steps 26 and 27 are provided in the middle of each of the fixed locking piece 24 and the movable locking piece 25. On the free end side of the movable locking piece 25, a pressing operation piece 28 is formed,
The buckle portion 22 is formed with a stable leg piece 29 extending so as to face the engaging step 26 of the fixed locking piece 24.

As shown in FIG. 5, when the locking leg 23 is inserted into the mounting hole 14 of the mounting panel 12, the movable locking piece 25 is reduced and deformed by the mounting hole 14 as shown in FIG. When the end of the pressing operation piece 29 and the end of the pressing operation piece 28 come into contact with each other, the movable locking piece 25 is expanded and deformed by the elastic restoring force. The engaging step 26 of the stopper 24 engages with the edge 14 a of the mounting hole 14, and is fixed in a retaining shape. Then, the band portion 20 is wound around the binding object 13 such as an electric wire on the mounting panel 12, and the front end portion of the band portion 20 is inserted from the front side of the buckle portion 22 into the band insertion hole 21 so as to project to the rear side. Then, the band portion 20 is engaged with the engaging claw 30 in the band insertion hole 21 in a retaining state, whereby the object 13 to be bound is held in the bound state. In order to remove the binding device from this mounting state, only the pressing operation piece 28 is pressed and the movable locking piece 25 is reduced and deformed so as to approach the fixed locking piece 24 so that the locking leg 23 is attached to the mounting hole 14.
Can be extracted from

[0004]

However, the locking leg 2
3, the buckle portion 22 is moved together with the band portion 20 in the left-right direction (arrows in FIG. 5) by the external force of the material 13 to be bound at the time of or after the binding. In this case, the movable locking piece 25, which can be expanded and contracted and deformed, easily absorbs the rocking vibration in such a case. Due to the rocking of the formed fixed locking piece 24, the engaging step 26 of the fixed locking piece 24 is cut off at the edge 14a of the mounting hole 14 of the mounting panel 12 made of steel plate ( In the enlarged view of the portion in FIG. 5, the broken line S shows a portion cut off.), There are disadvantages such as falling out of the mounting hole 14 and weakening the pull-out strength.

SUMMARY OF THE INVENTION An object of the present invention is to solve such a problem, and it is intended to stabilize a locking state of a retaining hole with respect to a mounting hole of a mounting panel and to improve the pull-out strength by binding a synthetic resin tie such as an electric wire. To provide tools.

[0006]

A synthetic resin binder according to the present invention is provided with a band, a band insertion hole connected to a base end of the band, a front end of the band is inserted, and a band insertion hole. A buckle portion having an engaging claw projecting into the hole and engaging with the band portion in a retaining shape, and a buckle portion integrally projecting from the side opposite to the band portion, from one side of the mounting panel; An arrow-shaped locking leg inserted into the mounting hole, wherein the locking leg has a column suspended from the buckle and a folded shape from the tip of the column toward the buckle. And a pair of movable locking pieces that can be expanded and contracted and formed, and each of the movable locking pieces is provided with an engaging step that engages with a mounting hole of the mounting panel in a halfway manner. A pressing operation piece is formed on the free end side of each movable locking piece, and the mounting panel Those having features that respect the upper one side Aru elastically deformable stabilizing leg abuts to extend formed so as to extend toward the side of the movable locking pieces 8.

[0007]

When the locking leg is inserted into the mounting hole from one side of the mounting panel, both movable locking pieces are reduced and deformed so as to be close to each other by the mounting hole. When they come into contact, the two movable locking pieces expand and deform so as to be separated from each other by the elastic restoring force, and the engaging step of both movable locking pieces engages with the edge of the mounting hole to prevent the movable locking pieces from coming off. Will be fixed to.

[0008] Even if the buckle portion is forcibly swung to the left or right during or after binding, the buckle is connected to both of the pair of movable locking pieces so as to be capable of expanding and contracting. The part only tilts to the left and right with the connecting part of the column with the movable locking piece as a fulcrum, and hardly swings both movable locking pieces. Therefore, since both movable locking pieces can hold the state in which the engaging step is engaged with the edge of the mounting hole as it is, they do not come out of the mounting hole,
A stable locking state of the locking leg can be obtained, and the pull-out strength can be improved.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a synthetic resin tying tool according to the present invention will be described with reference to the drawings. FIG. 1 is a front view of a synthetic resin binder, FIG. 2 is a front view of the synthetic resin binder shown in use, and FIG. 3 is a front view showing a manner of removing the synthetic resin binder.

As shown in FIG. 1, the synthetic resin binder according to the present invention is a synthetic resin molded product made entirely of nylon or the like, and is connected to a band 1 and a base end of the band 1. A buckle 2 and an arrow-shaped locking leg 3 integrally projecting from the buckle 2 on the side opposite to the band 1.

On one surface of the band portion 1, engagement teeth 4 are arranged at regular intervals in the longitudinal direction. Buckle part 2
Is formed in a rectangular frame shape, and the band portion 1 forms a band insertion hole 5 through which the band portion 1 is inserted from the front end thereof in the front-rear direction, and the band portion 1 is engaged in the band insertion hole 5. An engagement claw 6 that engages with the teeth 4 is provided in a protruding manner.

An arrow-shaped locking leg 3 is provided with a column 7 suspended from the buckle 2 and a pair of scalable and deformable movable members formed in a folded shape from the tip of the column 7 toward the buckle 2. An engagement step 9 is provided in the middle of each movable engagement piece 8. A pressing operation piece 10 and an elastically deformable stable leg piece 11 are formed on the free end side of each movable locking piece 8, and the pressing operation piece 10 is separated from the free end side of each movable locking piece 8 by the buckle 2. The stabilizer leg pieces 11 extend in opposite directions so as to extend from the free end side of each movable locking piece 8 to the side of the movable locking piece 8 so as to extend toward the side of the movable locking piece 8. It is formed.

Next, referring to FIG. 2, the synthetic resin tying member having the above-mentioned structure is attached to a steel mounting panel 1 such as a vehicle body panel.
A description will be given of how to use when binding and holding an object 13 such as an electric wire creeping on the upper surface 2. First, the binding part made of synthetic resin attaches the locking leg 3 to the front side (one side) of the mounting panel 12.
The movable locking pieces 8, 8 are reduced and deformed to be close to each other by the mounting holes 14 by being inserted into the mounting holes 14 and projecting to the rear side (the other side surface).
Is elastically abutted on the surface of the mounting panel 12, the two movable locking pieces 8, 8 are expanded and deformed so as to be separated from each other by an elastic restoring force, and the engaging step of the both movable locking pieces 8, 8 is formed. 9,9
Engages with the edge portions 14a of the mounting hole 14 so as to be stably and reliably locked in a retaining shape.

Next, the band portion 1 is wound around the material 13 to be bound, and the front end of the band portion 1 is inserted into the band insertion hole 5 from the front side of the buckle portion 2 and projected to the rear side. Then, the engagement teeth 4 of the band portion 1 engage with the engagement claws 6 in the band insertion holes 5 to obtain the band portion 1 in the state of being prevented from falling off, whereby the object 13 to be bound is held in the bound state. You.

As described above, the synthetic resin tying device for holding the object 13 to be tied can be configured such that when the buckle portion 2 is forcibly shaken in the left-right direction a, the buckle portion 2 is moved by the movable locking pieces 8
Although it tilts to the left and right with the connection portion with the fulcrum as a fulcrum, the movable locking pieces 8, 8 hardly swing. Therefore,
Since both movable locking pieces 8 and 8 keep the engagement step portions 9 and 9 in the state of being engaged with the edge portion 14 a of the mounting hole 14 of the mounting panel 12, they do not fall out of the mounting hole 14. The stable locking state of the locking leg 3 is securely held, and the pull-out strength is improved.

When removing the synthetic resin tying tool from the attached state, as shown by the phantom line in FIG.
When the pushers 0 and 10 are pressed and moved in the direction of arrow b so as to approach the buckle portion 2, the movable locking pieces 8 and 8 are both reduced and deformed so as to be close to each other, so that they can be easily extracted from the mounting holes 14.

[0017]

According to the tying member made of synthetic resin of the present invention, there is an advantage that it can be attached to the mounting hole of the mounting panel in a stable locking state and the pull-out strength can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of a synthetic resin binder.

FIG. 2 is a front view of the synthetic resin binder shown in a used state.

FIG. 3 is a front view showing a manner of removing a synthetic resin binder.

FIG. 4 is a front view of a conventional synthetic resin binder.

FIG. 5 is a front view showing a conventional synthetic resin binder in a used state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Band part 2 Buckle part 3 Locking leg part 4 Engaging tooth 5 Band insertion hole 6 Engaging claw 7 Prop 8 Movable locking piece 9 Engaging step part 10 Depressing operation piece 11 Stable leg piece 12 Mounting panel 13 Binding object 14 Mounting hole

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Hiroki Teratani 766 Yasutomicho, Shiso-gun, Hyogo Pref.

Claims (1)

[Claims] 1. A band portion, a band insertion hole connected to a base end of the band portion, a distal end portion of the band portion is inserted, and a band protruding into the insertion hole to prevent the band portion from being removed. A buckle portion having an engagement claw that engages with the buckle portion, and an arrow-shaped locking leg portion that is integrally protruded from a side of the buckle portion opposite to the band portion and is inserted into the mounting hole from one side surface of the mounting panel. The locking leg portion includes a column suspended from the buckle portion, and a pair of expandable and contractable movable locking pieces formed in a folded shape from the tip of the column toward the buckle portion. An engaging step is provided in the middle part of each movable locking piece to engage with the mounting hole of the mounting panel in a retaining manner, and the free end side of each movable locking piece is pressed. Elastically deformable stabilization that forms an operation piece and abuts on one side of the mounting panel A binding device made of a synthetic resin such as an electric wire, wherein the leg piece is formed so as to extend toward the side of each movable locking piece.