JPH0537622Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to a fastener for arranging and fixing a wire harness or the like to a steel plate body of a vehicle or the like.

(Prior Art) Conventionally, as shown in FIG. 7, this type of fastener has a substantially flat holding part 41 and a mounting hole vertically provided on the lower surface of this holding part 41 and penetrating through the steel plate body 1. Fastener 4 having a locking leg portion 42 that elastically locks to 2.
0, the wire harness W is placed on the holding part 41 and fixed by a band T made of adhesive vinyl tape as shown in the figure.
was elastically fixed and disposed in the mounting hole 2 of the steel plate body 1.

(Problem to be Solved) However, winding and fixing the fastener 40 with the band T is done manually, which requires a lot of work, and the winding force differs depending on the operator, so the wire harness W There were problems such as the substrate shifting, and there were also problems such as the substrate breaking when wrapped too tightly.

(Means for Solving the Problems) The present invention was made to solve the above-mentioned conventional problems, and provides a fastener that can be easily attached to a wire harness and can be attached with almost constant winding force. The purpose is to provide a fastener for assembling a wire harness with a binding member through a binding device that can automatically wind the binding member around the outer periphery of the wire harness, the fastener having a substantially flat plate shape. It consists of a substrate and a locking leg that is vertically disposed from the lower surface of the substrate and can be elastically engaged with a mounting hole penetrated through a panel, etc., and a binding member wound by the binding device is inserted into the substrate. A suitable number of insertion holes are provided through the substrate in a direction perpendicular to the direction in which the wire harness is attached, and the binding member is wound approximately at the center of the upper and lower surfaces of the substrate along the direction in which the wire harness is attached. The present invention relates to a fastener for a wire harness, etc., in which the substrate is configured to form a concave portion so as to be elastically deformable in the direction of the outer diameter of the wire harness.

(First Embodiment) Next, the first embodiment of the present invention will be described with reference to the drawings. In the drawing, 1 is a steel plate body, and the steel plate body 1 has mounting holes 2 penetrated at predetermined intervals. It is set up.

20 is a conventionally known binding machine (for example, a
26955), the wire harness W and the fastener 3 are tightened and tied together in a cross shape via a flexible binding string (also referred to as a binding member) 19 made of two layers of resin. The tying machine 20 is of a gun type, and guides the flexible tying string 19 around the outer periphery of the wire harness W, and also guides the wire harness 19 in the central region in a closed state using a fixed guide member 22 and a movable guide member 23. The main body is an annular guide body 21 having a central hole 24 for storing W,
Although not shown in this guide body 21, a binding string 19
An introduction hole and a feed-out hole are provided, and these holes are arranged so as to form a knot,
Tightening means and cutting means for the binding string 19 are provided. Further, this fixed guide member 22 is formed with a holding part 25 for inserting and holding a fastener 3, which will be described later, and the insertion holes 15 and 16 formed in the fastener 3 inserted into this holding part 25 serve as guides for the binding string 19. They are configured to be inserted into the paths in alignment with each other.

Next, the wire harness W is tied by the binding machine 20.
The fastener 3 to be bundled together is constructed as follows.

Reference numeral 4 denotes a base plate of the fastener 3, which is formed into a substantially flat plate shape with a predetermined wall thickness, and a mounting hole penetrating through the steel plate body 1 is provided at approximately the center of the lower surface of the base plate 4. A locking leg portion 5 for locking is provided vertically.

Reference numeral 6 denotes a central shaft of a locking leg 5 that is vertically disposed from approximately the center of the board 4, and is formed into a substantially rectangular plate shape that can be inserted into the mounting hole 2. A substantially warhead-shaped pressure receiving block 7 having a pressure receiving surface 8 extending laterally to the left and right is formed. The connecting portion between the central shaft 6 and the pressure receiving block 7 has a flat shoulder 10 at the upper end, and has a substantially semicylindrical shape with the inner surface as the bottom surface in the horizontal cross section, and a pointed lower end in the vertical cross section. A pair of locking blocks 9 having a substantially wedge shape are formed diagonally upwardly and laterally symmetrically with respect to the central shaft 6 through a thin wall portion 11. It is provided so that it can be displaced to the side. Further, a shoulder portion 10 formed at the upper end of the locking block 9 is formed with a neck portion 12 that rises upward, and a locking rod 13 is formed integrally with the upper end of the neck portion 12 in a horizontal manner.

Reference numeral 4 denotes the above-mentioned board, and the left and right edges of the board 4 corresponding to the locking blocks 9 extend downwardly and laterally at a predetermined angle in a downwardly inclined manner and come into contact with the upper surface of the steel plate body 1. A locking piece 14 having elasticity is integrally formed. In addition, through holes 15 and 16 are provided in the width direction of the substrate 4 through which the binding string 19 is inserted. This one insertion hole 15 has a binding string 19
The other insertion hole 16 is formed into a substantially elliptical elongated hole through which a plurality of binding cords 19 can be inserted.
Guide surfaces 17 are formed in the left and right openings of 6 to facilitate insertion of the binding string 19. Also,
Recesses 18 are provided along the substantially central portions of the upper and lower surfaces of the board 4 in the direction in which the wire harness W is attached, so that when the wire harness W is tied with the binding string 19, the board 4 can be moved upwardly around the recess 18. It is provided so that it can be slightly deformed into a warped shape.

Next, the operation and effects of this embodiment configured as described above will be explained.

Now, the present fastener 3 uses a binding machine 20 that can automatically wind the binding string 19 around the outer circumference of the wire harness W.
The wire harness W is assembled with a binding cord 19 via the fastener 3, and the fastener 3 is attached to a substantially flat board 4 and a mounting hole 2 extending vertically from the bottom surface of the board 4 and penetrating the steel plate body 1. The board 4 has an appropriate number of insertion holes 15 through which the binding cord 19 wound by the binding machine 20 is inserted.
16 in a direction perpendicular to the direction in which the wire harness W is attached, and a binding cord 19 is wound around the upper and lower surfaces of the substrate 4 at approximately the center along the direction in which the wire harness W is attached. The recess 18 allows elastic deformation in the outer diameter direction of the wire harness W.
The structure is such that it forms. Therefore,
First, a wire harness W in which a plurality of electric wires W1 are temporarily bound with adhesive tape or the like is placed on a jig 26 provided at predetermined intervals on a workbench. Then, the fastener 3 is inserted into the holding part 25 provided on the fixed guide member 22 of the binding machine 20, and the fastener 3 is brought into contact with the board 4 at the mounting position of the wire harness W, so that the movable guide member 23 is closed and the wire harness W is housed in the central hole 24. When the tying machine 20 is operated, the tying string 19 is moved to the fixed guide member 2.
2 and the movable guide member 23, the binding string 1
9 is inserted into the insertion hole 16, and is wrapped around the outer circumference of the wire harness W once 19a, and then inserted into the insertion hole 1
5, and further wrap the wire harness W in one turn 19b in a cross shape with the winding 19a as shown in the figure.
It is inserted into the insertion hole 16 again, and the tip is wrapped around the winding 19.
a and 19b to form a knot, and both ends of the binding string 19 are tightened by the tightening means, and the binding string 19
The end side of the wire harness W and the predetermined positions of the winding 19a are cut C1 and C2 by the cutting means, and the fastener 3 is connected to the wire harness W.
It is firmly tightened and fixed in one piece. The wire harness W provided with the fasteners 3 in this manner can be reliably installed by being elastically engaged with the attachment holes 2 of the steel plate body 1 via the locking legs 5.

As described above, according to the fastener 3 of this example, the insertion holes 15 and 16 are provided which match the guide path of the binding string 19 of the binding machine 20 used as a binding means, and the recesses 18 are provided on the upper and lower surfaces of the board. Therefore, the binding can be performed using the binding machine 20, and the binding and the fasteners 3 can be efficiently connected with a constant tightening force, so that even an unskilled person can perform the work without any skill. ,
Further, even if the board 4 is tightened slightly strongly by the binding machine 20, since the board 4 is provided so that it can be deformed by the recess 18, it will not be damaged.
8 to be elastically deformable, the knot of the binding string 19 will not come undone due to the reaction force, and the binding state can be maintained firmly.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG.
The belt fastener 27 (also referred to as a binding member) is a conventionally known material made of synthetic resin, etc., and has a large number of engagement holes 29. A tightening part 30 having a locking claw (not shown) that is inserted through the belt part 28 in a loop shape and engaged with the engagement hole 29.
It is composed of. In addition, the base plate 4 of the fastener 3
Elongated insertion holes 31 and 32 through which the belt portion 18 of the belt tightening tool 27 can be inserted are provided in the holes. Note that the other configuration is the fastener 3 of the first embodiment.
It is similar to Therefore, this belt tightening tool 2
7, insert the belt part 28 into the insertion holes 31 and 32, wrap the belt part 28 around the outer periphery of the wire harness W with the wire harness W placed on the board 4, and then Tightening part 3
By inserting it through the hole 0 and tightening it so that the engagement hole 29 at the appropriate position and the locking pawl engage with each other, it can be bound and fixed with a predetermined tightening force. The tightening force of the left and right belt portions 28 can be maintained at a substantially constant level by aligning the engagement holes 29 that engage with the locking claws. Therefore, this second embodiment also provides the same effects as the first embodiment.

Note that the insertion holes in each of the above embodiments are selected depending on the tightening means and the tightening member, and are not limited to the above-mentioned insertion holes.

(Effect of the invention) The present invention provides a fastener for assembling a wire harness with a binding member through a binding device that can automatically wind the binding member around the outer periphery of the wire harness. and a locking leg that is vertically provided from the bottom surface of the board and can be elastically locked to a mounting hole penetrated through a panel, etc., and the board has a binding member wound around it by the binding device. A suitable number of insertion holes are provided in a direction perpendicular to the direction in which the wire harness is attached, and the binding member is wound around the upper and lower surfaces of the board approximately in the center along the direction in which the wire harness is attached. As a result, the board has a configuration in which a concave portion is formed so that it can be elastically deformed in the direction of the outer diameter of the wire harness, so that the binding and the fastener can be efficiently connected with a constant tightening force, which requires skill. Even unskilled people can perform the work without any problems, and even if the binding force is slightly strong, the board will not be damaged.In particular, since the board has a recess so that it can be elastically deformed, the reaction force can be reduced. As a result, the knot of the binding member does not come undone, and the binding state can be firmly maintained.

[Brief explanation of the drawing]

1 to 5 show a first embodiment of the present invention, FIG. 1 is a perspective view of the fastener, FIG. 2 is a front view of the fastener, FIG. 3 is a perspective view showing the binding means, and FIG. 4a, b, and c are explanatory diagrams of the bundling process, FIG. 5 is a perspective view of the bundling state, FIG. 6 is a perspective view showing the second embodiment of the present invention, and FIG. 7 is a conventional example. 3... Fastener, 4... Board, 5... Locking leg,
15, 16, 31, 32... through holes.

Claims (1)

[Scope of utility model registration request] A fastener for assembling a wire harness with a binding member through a binding device that can automatically wind the binding member around the outer periphery of the wire harness, the fastener comprising a substantially flat board and a lower surface of the board. and a locking leg that can be elastically locked into a mounting hole penetrated through a panel, etc., and the board has an appropriate number of insertion holes through which the binding member wound by the binding device is inserted. The binding member is installed in a direction perpendicular to the wiring harness assembly direction, and the binding member is wound around the upper and lower surfaces of the wiring harness at approximately the center along the wiring harness mounting direction. A fastener for a wire harness, etc., configured to form a concave portion that can be elastically deformed in a direction.