JPH0232605Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial field of application) The present invention is a binding device for installing a wire harness, etc. to a steel plate body through which a mounting hole is formed. Concerning binding tools that can adapt to changes.

(Prior art) Conventionally, as a binding tool for arranging a wire harness or the like to a steel plate body having a mounting hole through it so as to be able to adapt to changes in the diameter of the wire harness, there is a method as disclosed in Japanese Utility Model Application Publication No. 59-22305. In addition, a holding part is provided in the pedestal part to pass through and hold a wire harness, etc., and a holder consisting of a locking part that is continuously inserted from the tip of the holding part through a hole in the pedestal part, and a holding part in the locking part. A clip device consisting of an engaged part that can be engaged from the back side of a mounting hole of a steel plate body, a wire harness as disclosed in Japanese Patent Application Laid-Open No. 123653/1980, etc. can be completely grasped. An elastic spring arm for reducing the inner space was formed on the inner surface of the ring wall of the lower opening, and a retaining ring was provided at the end of the ring wall with expanding legs.

(Problem to be Solved) In the above conventional technology, after a wire harness or the like is passed through and held in the holding part, the locking part is tightened from the back side of the mounting hole of the steel plate body, and the engaging protrusion of the locking part is inserted into the engaged part. By engaging with the wire harness, etc., it is firmly held in response to changes in its diameter, and at the same time it is fixed to the mounting hole of the steel plate body. Although it is effective in holding it firmly, it is extremely troublesome to pass through and hold the wire harness etc. during the installation process, and after inserting the locking part into the mounting hole of the steel plate body and tightening it, the engaged part Since the pieces are engaged and fixed, the fixing work is troublesome, and the number of man-hours required for parts management is large due to the two-part configuration.Furthermore, the assembly of the wire harness, etc. is done at the time of the installation work of the wire harness, etc. Since the only option is to assemble the parts, there is a problem in that the work efficiency is poor in processes where the installation work tact is short.

In addition, an elastic spring arm that reduces the internal space on the inner surface of the ring wall of the lower opening that completely grips the wire harness, etc. can accommodate changes in the wire harness diameter.
Regarding the retaining ring, which presses and holds the wire harness, etc. by joining and integrating the expanding legs at the end of the ring wall and elastically fixing it to the mounting hole of the steel plate body, the wire harness, etc. can be installed inside the ring wall. Since it can be held in response to changes in diameter by simply joining the expandable leg and inserting it into the mounting hole, it can be used even when the takt time for installing wire harnesses etc. is short. The holding force of the wire harness etc. is weak because it is held in pressure by the elastic spring arm of the ring wall.
Due to the vibrations of the vehicle and the load applied to the wire harness etc. during the installation work, the wire harness etc. may shift and loosen, causing problems such as noise generation and short circuits due to interference with other parts.

In addition, in the conventional technology, the changes in wire harness diameter are handled by tightening the locking part extending from the tip of the outer peripheral wall and by pressing with an elastic spring arm protruding from the ring wall, so both of them have a large It was not possible to adapt to changes in the diameter of the wire harness, and it was particularly difficult to firmly hold a wire harness with a small diameter.

(Means for Solving the Problems) The present invention was made to solve the problems of the conventional technology described above, and can handle large changes in wire harness diameter, and can firmly hold even small diameter wire harnesses. The purpose of the present invention is to provide a binding tool that is extremely easy to assemble.
The gist of the binding device is that it consists of a generally ring-shaped holding part with an opening at the lower end, and locking legs protruding radially from the center of the holding part on the outer surface of both free ends of the holding part. A retaining force is formed by connecting the upper end of the holding part to the inner surface of both free end sides of the holding part by a substantially band-shaped body, and a locking part having a continuous locking protrusion is provided protrudingly on the outer peripheral surface of the holding piece. An engaging portion that can be inserted into and engaged with the locking portion is formed on the holding portion.

(Example) Next, embodiments of the present invention will be described according to the drawings.

1 is a steel plate body of an automobile, through which a mounting hole 2 is provided.

Reference numeral 3 denotes the entire binding tool of the present invention, which includes a substantially ring-shaped holding part 4 having an opening at the lower end, and locking legs 5 protruding from the outer surface of both free ends of this holding part 4. It consists of

4 is a holding part, the lower end of which is connected to the wire harness W
It has a substantially ring shape with an opening through which it can be inserted, and is set to a length that can hold the maximum diameter of the wire harness W, and locking legs 5 are formed radially from the center of the holding part 4 on the outer surface of both free ends. At the same time, a holding piece 13 is formed on the inner surface of both free end sides by a substantially band-shaped body whose upper ends are connected,
An engaging portion 16 that can be engaged with a locking portion 14 having a continuous locking protrusion 15 is integrally provided on the outer peripheral surface of the holding piece 13.

Reference numeral 5 denotes the above-mentioned locking leg portion, which includes shaft portions 6, 6 that protrude radially from the center of the holding portion 4 on the outer surfaces of both free ends of the holding portion 4, and tips of the shaft portions 6, 6. Pressure receiving blocks 7, 7 having pressure receiving surfaces 8, 8 on the outside and having a substantially warhead shape when the shaft portions 6, 6 are joined are provided, and from the base side shaft portions 6, 6 of the pressure receiving surfaces 8, 8. Locking legs 10, 10 are protruded upwardly toward the holding part 4 side through the thin parts 9, 9, and have a substantially wedge-shaped vertical section and a substantially semi-cylindrical horizontal section, and have a flat shoulder section 11 on the upper surface. There is. Also,
The shoulders 11, 11 have substantially tongue-shaped necks 12, 12.
has been set up. The locking leg portion 5 configured in this manner is formed to be able to be inserted into the attachment hole 2 provided through the steel plate body 1 when the shaft portions 6, 6 are joined.

Reference numeral 13 denotes a holding piece, which is a thin, substantially band-shaped body having a length capable of holding the maximum diameter of the wire harness W, and is provided protruding from the inner surface of both free ends of the holding portion 4, and the connecting portion at the upper end is a holding piece. The holding portion 4 protrudes a predetermined length toward the inner surface, and a locking portion 14 is formed on the outer peripheral surface of the holding piece 13.

Reference numeral 14 denotes a locking portion, which is a continuous, substantially hook-shaped locking protrusion 1 that is protruded from the outer peripheral surface of the holding piece 13 and has a predetermined interval corresponding to the diameter of various wire harnesses W.
5 is installed protrudingly.

Reference numeral 15 denotes locking protrusions, which are continuously provided at predetermined intervals and are formed into a substantially hook shape with a pointed upper end and a flat lower end.

Reference numeral 16 denotes an engaging portion, which is formed at a position of the holding portion 4 corresponding to the connecting portion of the holding piece 13;
An insertion hole 17 through which the holding piece 13 can be inserted is provided,
The locking protrusion 1 of the locking portion 14 is inserted into the insertion hole 17.
A substantially hook-shaped engagement protrusion 18 whose lower end is a pointed end and whose upper end is planar and can be engaged with 5 is protrudingly provided.

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

First, a wire harness W is formed by wrapping a plurality of electric wires W1 in advance with a band T made of adhesive vinyl tape or the like.

After that, align the wire harness W with the opening at the lower end of the holding part 4 of the binding tool 3, and insert the binding tool 3 from above.
Push in to bring the wire harness W into contact with the holding piece 13 in the holding part 4, and push it further to release the holding piece 13.
The connecting portion is pushed upward by the wire harness W and inserted into the insertion hole 17 formed in the engaging portion 16 of the holding portion 4.

This causes the connecting portion of the holding piece 13 to protrude from the upper surface of the holding portion 4, and then by pulling up the protruding connecting portion of the holding piece 13, the lock formed on the outer circumferential surface of the holding piece 13 is removed. Part 14
The locking protrusion 15 contacts the engagement protrusion 18 in the insertion hole 17, but due to the pulling force, the locking protrusion 15 and the engagement protrusion 18 are elastically displaced in opposite directions by the insertion hole 17, and are locked. Protrusion 15 and engaging protrusion 1
8, the locking projection 15 and the engagement projection 18 are elastically restored to their original positions and engaged with each other.

At this time, the locking protrusion 15 and the engaging protrusion 18 are easy to insert because their tips in the insertion direction are pointed.
Since they are mutually planar when engaged, they resist coming off.

In this way, while the pulling force of the holding piece 13 continues, the other locking protrusions 15 and the engaging protrusions 18 also repeat elastic displacement and elastic restoration, and the holding part 4
Both free ends of the locking leg 5 are pulled together, and the shaft portions 6, 6 protruding from the outer surfaces of both free ends are joined to integrate the locking leg portion 5. With this, the holding piece 13 surrounds the entire circumference of the wire harness W to prevent it from coming off, and the locking protrusion 15
By engaging the engagement protrusion 18 at a position corresponding to the diameter of the wire harness W, the wire harness W can be firmly tightened and held.

At this time, even if the wire harness W has a small diameter, the locking portion 14
Since the locking protrusions 15 are continuously provided at predetermined intervals corresponding to the diameters of various wire harnesses W, the wire harness can be firmly held.

In this way, the wire harness W is firmly tightened and held by the holding piece 13 in the holding part 4, so that it does not shift due to vibrations of the vehicle or external force during installation, and the wire harness W is not held tightly. Wire harness W and holding piece 13 with portion 4 protruding left and right
Since it is spaced apart from the other parts, it can be protected even if it interferes with other parts during installation work.

Next, the integrated locking leg portion 5 of the binding tool 3 is inserted into the mounting hole 2 of the steel plate bobber 1 and pressed.

Then, the locking leg 10 is guided into the mounting hole 2 and elastically displaced toward the shaft portion 6, and at the same time as the shoulder portion 11 of the locking leg 10 passes through the mounting hole 2, it is elastically restored to its original position and the shoulder portion 11 is engaged with the lower surface of the steel plate body 1, the neck portion 12 is brought into contact with and engaged with the peripheral edge of the attachment hole 2, and the wire harness W is disposed on the steel plate body 1.

Therefore, the wire harness W can be installed very easily by simply inserting the locking leg 5 of the binding tool 3 that holds the wire harness W in advance into the mounting hole 2 of the steel plate body 1. Furthermore, since the binding tool 3 of the present invention has a one-part structure and is incorporated into the wire harness W during vehicle installation work, it has the effect of reducing the number of parts management steps.

In this example, the locking legs 5 are integrated only by tightening the locking portions 14, but the invention is not limited to this. For example, the locking legs 5 may be joined by tightening the locking portions 14. It is also conceivable to provide a mating means for engagement to achieve a more stable fixed state.

(Effects of the invention) According to the invention, there is a substantially ring-shaped holding part having an opening at the lower end, and a ring-shaped holding part which is provided on the outer surface of both free ends of the holding part and protruding radially from the center of the holding part. In the binding tool, a retaining piece is formed on the inner surface of both free ends of the holding part, and the upper ends are connected to each other, and a retaining piece is formed on the inner surface of both free ends of the holding part, and a retaining protrusion continuous to the outer peripheral surface of the retaining piece. In addition to providing a protruding locking portion with a locking portion, an engaging portion that can be inserted and engaged with the locking portion is formed on the holding portion, so that it can handle large changes in wire harness diameter, and can be used for small-diameter wires. It can be held firmly even with a harness, and the assembly work is extremely easy, so it can be said that it is an extremely practical device as a binding tool.

[Brief explanation of drawings]

These drawings show the present invention: Fig. 1 is a perspective view showing the entire binding device, Figs. 2 to 4 are explanatory views of the assembly operation, and Fig. 5 is a front view showing the attached state. . 1- steel plate body, 13- holding piece, 2- mounting hole,
14-locking part, 3-binding tool, 15-locking protrusion, 4
- Holding part, 16 - Engagement part, 5 - Locking leg part, 18 -
Engagement protrusion, W-wire harness.

Claims (1)

[Scope of utility model registration request] A binding tool comprising a substantially ring-shaped holding part with an opening at the lower end, and locking legs protruding radially from the center of the holding part on the outer surface of both free ends of the holding part, A holding piece is formed on the inner surface of both free ends of the holding part and has a substantially band-like shape and its upper ends are connected, and a locking part having a continuous locking protrusion is protruded from the outer peripheral surface of the holding piece. A binding device characterized in that the holding portion is formed with an engaging portion that can be inserted into and engaged with the stop portion.