JPH0735176Y2 - Clip device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a clip device for fixing a part of a hydraulic pipe for an automobile, a cable for electric wiring, a hose or the like at a predetermined position.

[Conventional technology]

Conventionally, this type of clip device has been shown in FIGS. 9 and 10.
As shown in the figure, a socket 2 provided with a pair of flange portions 3 and 4 is attached in the middle of a cable, a hose or the like (hereinafter, referred to as cables) 1, and the position where it is brought close to one flange portion 4 A flat plate-shaped bracket 5 is mounted on the shaft 5, and a locking groove 6 is formed between the bracket 5 and the other flange portion 3. In the figure, 7 is the locking groove 6
It is the inner cylindrical portion. A circular hole 8 into which the cylindrical portion 7 is fitted is formed in the bracket 5, and an insertion groove 9 having the same width as the diameter of the cylindrical portion 7 is formed at the upper end of the circular hole 8. There is.

Reference numeral 10 denotes a clip body, which is formed of a metal plate having an elastic force, and has an arc-shaped elastic portion 11 which is convex to the left with a predetermined radius of curvature, and a flat surface portion 12 formed above the elastic portion 11. When,
A circular hole 13 is formed in the central portion of the elastic portion 11 so that the cylindrical portion 7 of the socket 2 can be fitted, and is formed in the same width as the diameter of the circular hole 13 from the circular hole 13 toward the tip. The insertion port 14 and a guide piece 15 formed by bending the tip of the insertion port 14 leftward.

Then, when the clip body 10 is inserted into the locking groove 6 of the socket 2 from the guide piece 15 side, the cylindrical portion 7 of the socket 2 is fitted into the circular hole 13 from the insertion opening 14 of the clip body 10. At the same time, the elastic portion 11 of the clip body 10 is elastically deformed and fixed between the bracket 5 and the other flange portion 3. However, since the clip body 10 is fixed to the socket 2 only by the restoring force of the elastic portion 11, when the cables 1 are repeatedly subjected to load or vibration, the clip body 10
10 rotates carelessly around the cylindrical portion 7 in the locking groove 6,
In the worst case, it may come off.

Therefore, as a countermeasure, a structure having a structure as shown in FIGS. 11 to 20 has been devised. First, as shown in FIG. 11, the width D of the insertion opening 14 in contact with the circular hole 13 of the clip body 10 is shown.
Is formed so as to be slightly narrower than the diameter of the circular hole 13 and gradually widen toward the tip end thereof, thereby preventing the clip body 10 from accidentally coming out of the socket 2. Is.

In addition, the clip body 10 shown in FIG.
11a is set in the vicinity of the tip portion to prevent the top portion 11a from coming out of the socket 2. Then, as shown in FIG. 13A, the flat surface portion 12 of the clip body 10 or the guide piece is attached to the upper surface of the bracket 5.
A concave portion 16 into which 15 is fitted is formed, and the one shown in (b) of the same figure is a projection portion 17 with which the flat surface portion 12 of the clip body 10 or the guide piece 15 is locked on the upper surface of the bracket 5.
Is projected.

Further, the bracket 5 is shown in (a) and (b) of FIG.
A flat portion 12 of the clip body 10 or a terrace portion 18 to which the guide piece 15 is locked is formed on the upper surface of the by joggles,
As shown in FIG. 15, an inclined surface 19 is formed on the facing surface of the flange portions 3 and 4 forming the locking groove 6 of the socket 2 or an uneven portion (not shown) is provided so that the clip body 10 can be inserted into the socket. It is intended to prevent careless escape from 2.

Further, FIG. 16 shows that the rotation of the grip body 10 is restricted by providing a convex portion 20, a side wall portion 21 and the like on the flat surface portion of the bracket 5 which is the rotation preventing direction of the grip body 10. In FIG. 17, the clip body 10 is provided with a protrusion 22 in the rear surface direction, and the protrusion 22 is engaged with the side edge of the opening 9 of the bracket 5 to restrict the rotation of the clip body 10. . Furthermore, the one shown in FIG.
The wire 24 is tied through the hole 23 between the bracket 5 and the clip body 10 or they are fixed by bolts, nuts or the like (not shown). The one shown in FIGS. 19 and 20 is the plane of the clip 10. A part is cut open by slitting on the part 12 to form a tongue-shaped locking piece 25,
A part of the bracket 5 fixed to the hose 1 is formed with a through hole 26 into which the locking piece 25 is fitted.
47-30688).

[Problems to be solved by the invention]

However, in each of the above inventions, FIG. 11, FIG. 13, and FIG.
In the conventional device shown in FIGS. 15 and 15, a large force is required when the clip body 10 is assembled to the socket 2, and the work efficiency is reduced. Incidentally, the thing of FIG. 12 has a slightly similar problem. In addition, there is a problem that the processing steps are increased and the cost is increased in the cases of FIGS. 13, 14, and 15, and thus, FIGS. 9 to 12, and 16, The one shown in FIG. 18 is less effective when used alone. Furthermore, the one shown in Fig. 19 and Fig. 20 (Ex. 47-30
No. 688) has a problem that a defect is likely to occur in the notch of the base portion of the locking piece 25 at the time of molding, and stress concentration occurs at the same portion during use, which may cause cracking.

[Means for solving problems]

The present invention has been made to solve the above-mentioned problems of the prior art, and a clip device that securely holds cables with a simple structure and that does not rotate or come off accidentally. The purpose is to provide a device for fixing a bracket through an elastic clip in a locking groove of a socket attached to cables,
A circular hole that fits into the cylindrical portion in the locking groove and an insertion groove that communicates with the circular hole are formed in the bracket, and a notch or a recess is formed at the end edge of the insertion groove. The clip device is characterized in that the elastic clip is formed with a protrusion that engages with the notch or the recess.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in FIGS. 1 to 8. In the drawings, reference numeral 1 is a cable, hose or the like (hereinafter referred to as cables), and a socket 2 Is provided. The socket 2 is mainly composed of a pair of flange portions 3 and 4, and a flat plate-shaped bracket 5 is fixed to one flange portion 4 side. Reference numeral 6 denotes a locking groove formed between the bracket 5 and the other flange portion 3, and the locking groove 6 is formed by a cylindrical portion 7. A circular hole 8 into which the cylindrical portion 7 of the locking groove 6 is fitted is formed in the bracket 5, and the diameter of the circular hole 8 is smaller than the diameter of the circular hole 8 from the circular hole 8 to the upper end. An insertion groove 9 having a width larger than the outer diameter of the cylindrical portion 7 is formed, and a locking portion cut out in a semicircular shape at both end edges of the insertion groove 9.
Ten are provided. The locking portion 10 may have a triangular shape, a rectangular shape, or a shape in which a circular hole 8 is continuously cut, as shown in FIGS. As shown in the figure, it may be formed in a recess.

Reference numeral 11 denotes a clip body, which is formed of a rectangular metal plate having elasticity, and a flat portion 12 formed on the upper end side of the clip body 11 is fitted to the locking portion 10 of the bracket 5. Two semi-circular protrusions 13 are spaced apart and protrude rightward (back side), and a flat portion 12 is formed with an upright portion 14 bent leftward (front side). As you see,
An arcuate elastic portion 15 is formed in contact with the flat surface portion 12 and has a predetermined radius of curvature and is convex in the left direction. Reference numeral 16 denotes a circular hole formed in the central portion of the elastic portion 15, which is a portion into which the cylindrical portion 7 in the locking groove 6 is fitted, and the insertion groove 17 is gradually widened from the circular hole 16 to the tip end portion. Is formed, and a guide piece 18 bent leftward is formed at the tip. In addition,
The width D of the insertion groove 17 in contact with the circular hole 16 is slightly smaller than the diameter of the circular hole 16.

In the present invention, as shown in FIG. 5, the protrusion 13 of the clip body 11 is formed to be long in the lateral direction, and both ends of the protrusion 13 are fitted to the engaging portions 10 of the bracket 5. Alternatively, as shown in FIG. 6 and FIG. 7, it is formed in a semicircular shape centered on an inclined axis Y having a predetermined angle α with respect to the center line X, and the arc portion 19 is formed in a step portion 19a. You can also use it.
In this case, the step portion 19a fits into the locking portion 10 of the bracket 5. Further, as shown in FIG. 8, a protrusion 13 bulging upward in a spherical shape is provided on the flat portion 12 of the clip body 11, and the back surface of the protrusion 13 is fitted to the upper surface of the bracket 5. A semicircular locking portion 10 may be provided.

[Operation of Example]

Insert the clip body 11 into the engagement groove 6 of the socket 2 with the guide piece 18
From the side, when it is inserted between the flange portion 3 and the bracket 5 arranged at the position closer to the other flange portion 4 side,
The elastic portion 15 is pressed and deformed and penetrates, and the cylindrical portion 7 in the locking groove 6 of the circular hole 16 of the clip body 11 is fitted. here,
At the time when the protrusion 13 of the clip body 11 hits the upper end 5a of the bracket 5, most of the elastic portion 15 is in the locking groove 6, so the directionality of the clip body 11 is determined.

Further, when the clip body 11 is pushed in, the projection 13 thereof engages with the engaging portion 10 which is a notch or a concave portion of the bracket 5, and the bracket 5 is prevented from rotating and coming off accidentally. On the contrary, from the locking groove 6 of the socket 2 to the clip body 11
After removing the protruding portion 13 of the clip body 11 from the engaging portion 10 of the bracket 5 by pushing the flat surface portion 12 of the clip body 11 to the left from the back surface of the insertion groove 9 of the bracket 5 with a driver or the like, , The clip body 11 is pulled out in the direction opposite to that at the time of insertion.

[Effect of device]

As described above, the clip device according to the present invention is a device for fixing a bracket in an engaging groove of a socket attached to a cable or the like via an elastic clip, wherein the bracket has a cylindrical portion in the engaging groove. When a circular hole to be fitted and an insertion groove communicating with the circular hole are respectively formed, a notch or a recess is formed at the end edge of the insertion groove, and the elastic clip is engaged with the notch or the recess. Since the convex portion is formed, the locking portion can be easily molded and the yield is good, and the structural strength of the elastic clip and the bracket does not deteriorate due to the formation of the locking portion. In addition, since the locking part of the elastic clip, which is subjected to the greatest concentrated stress during use, has a convex structure, the structural strength is great and the durability is improved. There are various effects such that the efficiency is improved and the inadvertent rotation and detachment of the clip with respect to the bracket can be reliably prevented.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an entire clip device according to the present invention, FIG. 2 is a side view showing an assembled state of the clip device, and FIGS. 3 (a), (b) and (c) are clip devices. 4 is a front view of a different embodiment showing a part of a bracket which is a constituent member of FIG. 4, FIG. 4 is a perspective view showing a main part of another embodiment of the bracket, and FIG. 5 is a clip main body which is a constituent member of the clip device. FIG. 6 is a front view of another embodiment, FIG. 6 is a front view showing a main part of a clip body of still another embodiment, and FIG. 7 is an enlarged cross-sectional view of a line ||-|| line in FIG. FIG. 9 is a side view of another embodiment of the clip device, FIGS. 9 to 20 show a conventional example, and FIG. 9 is an exploded perspective view showing the whole clip device.
Fig. 10 is a side view showing the assembled state of the same clip device.
The figure is a front view showing another conventional example of a clip body which is a component of the clip device, Fig. 12 is a vertical cross-sectional view of a different clip body, and Fig. 13 (a) and (b) are side views of different clip devices , Fig. 14 (a) and (b) are side views of other different clip devices, Fig. 15 is a side view of still another clip device, and Fig. 16 is a perspective view of a bracket which is a constituent member of the clip device. , Fig. 17 is a rear view of another clip device, Fig. 18
The figure is a front view of still another clip device, FIG. 19 is a perspective view of another clip body, and FIG. 20 is a partially cutaway side view showing the usage state of the clip body. 1 ... Cables, 2 ... Socket, 3,4 ... Flange part, 5 ... Bracket, 6 ... Locking groove, 7 ... Cylindrical part,
8, 16 ... Circular hole, 9, 17 ... Insertion groove, 10 ... Locking part, 11 ...
… Clip body, 12 …… Plane, 13 …… Projection, 15 ……
Elastic part.

Claims (1)

[Scope of utility model registration request] 1. A device for fixing a bracket in an engaging groove of a socket attached to a cable or the like via an elastic clip, wherein the bracket has a circular hole for fitting with a cylindrical portion in the engaging groove, and the circle. When each of the insertion grooves communicating with the holes is formed, a notch or a recess is formed at the end edge of the insertion groove, and the elastic clip is provided with a protrusion that engages with the notch or the recess. Characterized clip device.