JPH071538U - Wire harness assembly drawing board - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a wire harness assembly drawing board 1 in which resistance to pulling is improved. [Structure] A wire harness assembly drawing board 1 is composed of a drawing board body 2 provided with a wiring drawing 4 and a plurality of guide jigs 3. The drawing board body 2 is made of a magnetic material. Each guide jig 3 includes a magnet block body 6, an offset stay 7, and an electric wire guide rod 8. The offset stay 7 is provided on the magnet block body 6 so as to project to one side. An electric wire guide rod 8 is attached to and supported by the protruding portion of the offset stay 7. Electric wire guide rod 8
Has an electric wire guide portion 8d for guiding the electric wire bundle at its upper end,
The sharp end 8c at the lower end is formed in an upright shape at a predetermined position, and the magnet block body 6 is magnetically attached to the drawing plate body 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a wire harness assembly drawing board used when assembling a wire harness.

[0002]

[Prior art]

 Generally, a wiring harness assembly drawing board is composed of a drawing board body provided with a predetermined wiring diagram and a plurality of guide jigs provided upright at predetermined positions of the drawing board body. A plurality of cut and cut wires of appropriate length are laid along the corresponding guide jigs along the wiring diagram to form a branch-shaped wire bundle according to the purpose. Then, the outer circumference of this wire bundle is wrapped with tape or the like so as not to come apart, and finally a clamp, protector or the like is attached if necessary, and a desired wire harness is completed.

By the way, if the type of wire harness is changed due to changes in vehicle type and grade, such as the wire harness used in automobiles, a wire harness assembly drawing board in which each guide jig is arranged at a position corresponding to the change In the method that requires each guide jig to be fastened to the main body of the drawing board with bolts, etc., the setup work such as replacement and placement of each guide jig was troublesome.

In particular, there is a problem that it is not suitable for manufacturing a wire harness for high-mix low-volume production or a wire harness for trial production.

Therefore, as a wire harness assembly drawing board for facilitating setup work, as shown in Japanese Utility Model Publication No. 4-102514, the drawing board body is made of a magnetic material, and the guide jig has an electromagnet at the bottom. And a fork part as an electric wire guide part for guiding the electric wire bundle is provided on the upper part of the guide jig, and the electromagnet part of the guide jig is magnetically attached to the drawing plate main body so that each guide jig is erected at a desired position. There is a structure.

[0006]

[Problems to be solved by the device]

 However, according to the structure of the wiring harness assembly drawing board disclosed in Japanese Utility Model Laid-Open No. 4-102514, since the fork is provided at the upper end position protruding upward from the electromagnet portion, each wire is laid. It was difficult to obtain sufficient resistance to pulling due to the tension of the electric wire, which sometimes acts, and there was a risk that the magnetizing position of the guide jig would shift or the magnetizing of the guide jig to the drawing plate body would fall off and fall.

In view of the above problems, it is an object of the present invention to provide a wire harness assembly drawing board that improves resistance to pulling.

[0008]

[Means for Solving the Problems]

 The technical means for achieving the above object is a wire harness assembly drawing board including a drawing board body provided with a wiring diagram and a plurality of guide jigs provided upright at predetermined positions of the drawing board body. In the above, the main body of the drawing plate is made of a magnetic material, and the guide jigs are detachably magnetically attached to the main body of the plate, and an offset stay provided on one side of the magnet body so as to project. And an electric wire guide rod that is attached to and supported by the protruding portion of the offset stay, has an electric wire guide portion that guides the electric wire bundle at the upper end portion, and is erected at a predetermined position of the drawing board main body. There is a point to be prepared.

[0009]

[Action]

 According to the present invention, when a plurality of guide jigs are erected on the drawing board main body, the electric wire guide rod is erected at a predetermined position of the wiring diagram provided on the drawing board main body and pulled. Magnetize the magnet body at a position opposite to the direction in which the force is applied.

When a pulling force due to the tension of the electric wire acts on the electric wire guide portion of the electric wire guide rod when laying each electric wire, the standing position of the electric wire guide rod and the magnetically attached position of the magnet body are eccentric to each other. Therefore, the lever action can improve the resistance force against the pulling of the magnet body to the drawing plate body in the magnetically attached state.

[0011]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 to 3, reference numeral 1 is a wiring harness assembly drawing board, which is mainly composed of a drawing board body 2 and a plurality of guide jigs 3.

The drawing board body 2 is made of, for example, a magnetic material such as an iron plate having a thickness of 3 mm or more, and a wiring diagram 4 made of a film or paper on which an actual size drawing of a target wiring is drawn is shown in FIG. It is attached to the upper surface side of the plate body 2. The drawing board body 2 is appropriately mounted on the workbench.

The guide jig 3 includes a magnet block body 6 serving as a magnet body that is detachably attached to the drawing plate body 2, and an offset provided on one side of the magnet block body 6 so as to project therefrom. It comprises a step 7 and an electric wire guide rod 8 mounted and supported on the protruding end of the offset stay 7.

The magnet block body 6 is made of a permanent magnet and has a cylindrical shape. Further, the offset stay 7 is formed in an elongated plate shape, and an offset adjusting hole 7a formed in a long hole in the longitudinal direction of the offset stay 7 is provided at one end side thereof, and at the other end side thereof. A circular support hole 7b is provided.

Then, one end of the offset stay 7 is fastened and fixed onto the magnet block body 6 by a bolt 9 that is inserted through the offset adjustment hole 7a. Further, the loosening of the bolt 9 allows the offset stay 7 to be positionally adjusted in the longitudinal direction of the offset adjusting hole 7a.

The electric wire guide rod 8 is composed of a lower male screw rod 8 a and an upper electric wire guide body 8 b, and the male screw rod 8 a is inserted into the support hole 7 b of the offset stay 7 to allow the offset stay 7 to be inserted. It is fastened and fixed with a pair of nuts 11 from both upper and lower sides. The height of the male screw rod 8a is vertically adjustable by loosening the nuts 11.

Further, the lower end portion of the male screw rod 8a is formed in a taper shape whose diameter gradually decreases in the downward direction, and the lower end thereof is a sharp end 8c. Further, an axial female screw hole (not shown) is formed on the upper end surface of the male screw rod 8a.

The electric wire guide body 8b is provided with a substantially U-shaped electric wire guide portion 8d at an upper portion thereof, and is provided with a male screw shaft portion 8e protruding downward from a lower end of the electric wire guide portion 8d. 8e is screwed into the female screw hole of the male screw rod 8a so that the height and direction of the electric wire guide portion 8d can be adjusted, and is fastened and fixed by a lock nut 12.

The embodiment of the present invention is constructed as described above, and when using it, the intended wiring diagram 4 is attached to the upper surface of the drawing board main body 2 by tape or attachment according to the type of wire harness. Stick with an agent.

Next, the sharp end 8c of the electric wire guide rod 8 of each guide jig 3 is cut to the jig position of the wiring diagram 4, that is, the address point or the terminal position, for example, about 0.1 mm to 0.5 mm. Set in a jam. At this time, when each electric wire is laid, the magnet block body 6 is magnetized at a position opposite to the direction in which the tensile force P due to the tension of each electric wire is considered to act.

When the guide jigs 3 are closely packed, the bolts 9 are loosened to adjust the mutual distance between the magnet block body 6 and the wire guide rod 8, and then the bolts 9 are again attached. It may be fastened and set so that the mutual guide jigs 3 do not interfere with each other.

When each wire is laid, and when a tensile force acts on the wire guide portion 8d of the wire guide rod 8 due to the tension of each wire, the standing position of the wire guide rod 8 and the magnet block body 6 Since the magnetized position of the magnet block is eccentric, the lever action can improve the resistance of the magnet block body 6 to pulling in the magnetically attached state with respect to the drawing plate body 2, and the deviation of the magnetically attached position and the guide healing The fall of the tool 3 can be effectively prevented.

Moreover, since the sharp end 8c is formed at the lower end of the electric wire guide rod 8, the electric wire guide rod 8 can be accurately attached only by matching this with the installation point of the electric wire guide rod 8 on the wiring FIG. It can be positioned and installed, and since the sharp end 8c at the lower end of the wire guide rod 8 is set in a biting shape in the wiring diagram 4, the biting can effectively prevent the positional displacement when the pulling force acts.

Further, when removing the guide jig 3, if the electric wire guide rod 8 side is pulled up as shown by the arrow Q direction in FIG. 1, the magnetic block body 6 is easily released from the magnetic attachment by the lever action. Can be made.

Further, since the magnet block body 6 is made of a permanent magnet, electric wiring is not required on the side of the drawing plate main body 2 or on the drawing plate main body 2 as compared with the case where the magnet block body 6 is composed of an electromagnet, and usability is improved.

In the above embodiment, the wire guide body 8b has a structure in which the wire guide portion 8d has a substantially U-shape, but various shapes are prepared in advance to meet the purpose. Alternatively, the structure may be appropriately selected and changed and used. In this case, usability is further improved. Further, although the male screw rod 8a and the wire guide body 8b are separate bodies, they may have a one-piece structure.

Further, although the structure in which the permanent magnet itself is used as the magnet block body 6 is shown, as shown in FIG. 4, the permanent magnet is provided in the magnet housing 14 so as to be movable up and down, and the operation lever 15 is rotated. A structure may be used in which the magnet block body 6 that can be magnetically attached / released by operation is used. In this case, the work of attaching and detaching the guide jig 3 becomes easier. Further, instead of the permanent magnet as the magnet body, an electromagnet may be used.

[0028]

[Effect of device]

 As described above, according to the wire harness assembly drawing board of the present invention, the drawing board main body is made of a magnetic material, and each guide jig is detachably magnetically attached to the drawing board main body. It has an offset stay protrudingly provided on one side, an electric wire guide part attached to and supported by the above-mentioned protruding part of the offset stay, and guiding the bundle of electric wires at the upper end, and a predetermined size of the drawing board main body. It is provided with an electric wire guide rod that is erected at a position, and since the electric wire guide rod on the drawing board main body and the magnetized position of the magnet body are eccentric, When a pulling force acts on the wire guide part of the guide rod, the lever action improves the resistance force against the pulling of the magnet body in the magnetically attached state with respect to the drawing board body, and the deviation of the magnetic attachment position and the guide jig Has the advantage that it can effectively prevent That.

[Brief description of drawings]

FIG. 1 is a side view of an essential part showing an embodiment of the present invention.

FIG. 2 is a perspective view of the guide jig.

FIG. 3 is an overall schematic perspective view.

FIG. 4 is a perspective view showing another embodiment of the magnet block body.

[Explanation of symbols]

 1 wire harness assembly drawing board 2 drawing board body 3 guide jig 4 wiring diagram 6 magnet block body 7 offset stay 7a offset adjusting hole 8 electric wire guide rod 8a male screw rod 8b electric wire guide body 8c sharp end 8d electric wire guide portion 8e male Screw shaft part 9 Bolt 11 Nut 12 Lock nut

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Shinichi Ichikawa 1182 Ikeguro, Nanyo-shi, Yamagata Prefecture Yamagata Sumidenso Co., Ltd. (72) Naomichi Sudo 1182 Ikeguro, Nanyo-shi, Yamagata Yamagata Sumidenso Co., Ltd. Within

Claims (1)

[Scope of utility model registration request] 1. A wire harness assembly drawing board comprising a drawing board body provided with a wiring diagram and a plurality of guide jigs provided upright at predetermined positions of the drawing board body, wherein the drawing board body is A magnet body which is made of a magnetic material and in which each of the guide jigs is magnetically attached to the drawing plate body in a removable manner, an offset stay provided so as to project to one side of the magnet body, and the projection of the offset stay. And an electric wire guide part for guiding the electric wire bundle at the upper end part, and an electric wire guide rod formed upright at a predetermined position of the drawing board main body. Wire harness assembly drawing board.