JP2574092Y2 - Wiring structure of electronic equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle disk changer and other in-vehicle or home or office electronic devices, and more particularly to a wiring structure for drawing external wiring from a housing of the electronic device.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view showing a part of a housing of a conventional disk changer for a vehicle. FIG. 6 shows the corners of the rear side plate 1a and the side plate 1b on the rear surface of the housing 1 of the disc changer. Two types of external wirings 2 and 3 are drawn out from the edge of the rear side plate 1a. One of the wirings 2 is, for example, for a power supply, and is drawn out of the housing through a rubber bush 4 fitted in a hole of the side plate 1 a of the housing 1. The other wiring 3 is for an audio signal, and is constituted by an optical fiber in FIG. A plug 5 is attached to an end of the wiring 3, and the plug 5 is attached to an optical repeater 6 attached to the side plate 1a.
Is fitted.

[0003]

As shown in FIG. 6, wirings 2 and 3 are conventionally drawn vertically from a side plate 1a on the rear surface of a housing. Therefore, for example, as shown in FIG.
When the side plate 1a is installed facing the room wall B, for example, in a trunk room of an automobile, the wiring is bent between the side plate 1a and the room wall B in order to draw out the wires 2 and 3 to the side. Must be provided. Therefore, the space in the trunk room could not be used effectively. As shown by a solid line in FIG. 7, when each of the wirings 2 and 3 is pulled out in a direction parallel to the side plate 1a, the wiring 2 and the center line O of the plug 5
And 3 had to be bent 90 degrees. Alternatively, as shown by a chain line in FIG. 7, when the wires 2 and 3 are to be pulled out in a direction parallel to the side plate 1b, the center line O
On the other hand, the wires 2 and 3 must be bent at a large angle of 180 degrees and drawn out. Therefore, wiring 2 and 3
The internal stress acting on the wire became high, which was likely to cause disconnection. In particular, as shown in FIGS. 6 and 7, when the wiring 3 is an optical fiber, it has to be curved with a large curvature because it is less flexible than a conducting wire.
The space W shown in FIG.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide a wiring structure of an electronic device which can be pulled out without applying unreasonable stress to an external wiring from a housing. I have.

[0005]

Wiring structure of the electronic device according to the present invention In order to achieve the above object, according to the corners of the housing of an electronic device, the concave portion is formed by leaving a top portion of the corner portion, the recess across the corner Adjacent
With a bottom that forms an angle of approximately 45 degrees
On the bottom , a bush or middle
The repeater is fixed and this fixed bush or repeater
Is within the area surrounded by each extension surface of both side plates
And it is characterized in that it is located.

[0006]

[0007]

In the above means, the wiring is drawn out from the recess formed in the corner of the housing to the outside. Thus, there is no need to provide a space for wiring around between the side plate and the room wall, and the side plate can be brought into close contact with the room wall or the like . In addition, the actual capacity inside the housing is greatly reduced.
Not a little. Also, the bottom surface of the concave portion is adjacent to the corner portion.
Make an angle of approximately 45 degrees with both side plates, and on the bottom surface
The outline of the fixed bush or repeater is that of both side plates
Because it is within the area enclosed by each extension surface,
If the wiring drawn from the bottom of
The curvature of the wiring at this time is
And increase the internal stress of the wiring.
Absent.

[0008]

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing a case of a vehicle-mounted disc changer as an example of an electronic device from the back side, FIG. 2 is an exploded perspective view showing a structure of a corner portion of the case, and FIGS. It is a top view showing an example. In FIG. 1, reference numeral 10 denotes a case of a vehicle-mounted disc changer. The front side 10a of the housing 10 is located on the obliquely right rear side in the figure, and a magazine M containing a plurality of disks is loaded from an insertion opening opened in the front side 10a. A mechanism for selecting and pulling out a disk from the magazine M and a disk reproduction driving mechanism for clamping and reproducing the extracted disk are provided inside the housing 10. Symbol 10b
Is a ceiling plate of the housing, and 10c is a bottom plate of the housing. Reference numeral 10d denotes a side plate serving as a back surface of the housing, and 10e denotes a side plate covering one side of the housing 10.

[0010] As shown in FIG.
At the corner where d and 10e intersect, a recess 12 is formed on the bottom plate 10c side, leaving the top 11 of the corner, to enter the inside of the housing. The external wirings 2 and 3 are drawn out from the bottom surface 12a of the concave portion 12. In this embodiment, FIG.
As shown in the figure, the bottom surface 12a of the concave portion 12 is arranged at an angle of 45 degrees with respect to both side plates 10d and 10e which are orthogonal to each other. The wiring 2 is a bundle of conductive wires, and is mainly used for power supply. The wiring 2 is inserted into the rubber bush 4 fitted to the bottom surface 12a, and is drawn out from the inside of the housing 10. The other wiring 3
Is mainly for audio signals, and is constituted by an optical fiber. A plug 5 is connected to the wiring 3, and the plug 5 is connected to the optical repeater 6 attached to the bottom surface 12a.

As shown in FIG. 2, a bottom plate 10c of the housing 10 is provided.
Bent portions 21a and 21b are formed at the edges of the concave portion 12, and between the bent portions 21a and 21b, the bottom surface 12a of the concave portion 12 is bent substantially perpendicularly from the bottom plate 10c. I have. A holding groove 12b cut from the upper edge is formed on the bottom surface 12a, and the rubber bush 4 is fitted into the holding groove 12b. A square window 12c in which the optical repeater 6 appears is formed on the bottom surface 12a. Recess 12
A relay board 22 is arranged inside the bottom surface 12a of the optical disc 1 and the optical repeater 6 is attached to the relay board 22. A support piece 21c is provided on the upper edge of the one bent piece 21a.
Are bent, and the relay board 22 is
1c, and is fixed by screws 24.
A relay connector (not shown) is mounted on the relay board 22. Wiring from the inside of the housing 10 is connected to the relay connector, and a signal is given to the optical repeater 6 via the relay connector. . The optical repeater 6 has a light emitting means inside, and an optical signal emitted from the light emitting means is guided to the outside by the wiring 3 of the optical fiber.

[0012] As shown in FIG.
b, both side plates 10d and 10e, the front surface 10a, and the like are integrally formed, and are put on the bottom plate 10c.
At this time, the side plate 10d is overlaid on the outer surface of the bent piece 21a,
The side plate 10e is overlaid on the outer surface of the bent piece 21b. At the intersection of both side plates 10d and 10e, a notch 23 is formed leaving the top 11 and the side plates 10d and 10e are connected to the bottom plate 10d.
c, the bottom surface 12a
Are formed, and a concave portion 12 as shown in FIG. 1 is formed. Also, as shown in FIG.
A closing plate 23a is provided to cover the gap between the closing plate 23a. In the above structure, the concave portion 1
2 is formed, and in the other height range, the top 11 of the corner is formed.
, The internal components of the housing 10 can be arranged inside the top 11, and the internal capacity of the housing 10 is not so small. Therefore, by setting the depth of the concave portion 12 and the area of the bottom surface 12a of the concave portion 12 to the minimum size required for drawing out the wiring, the space for mechanisms and components arranged inside the housing 10 can be hindered. Absent.

FIGS. 3 and 4 are plan views of the casing 10 as viewed from above the ceiling plate 10b. The plug 5 connected to the rubber bush 4 as the base of the wiring 2 and the optical fiber wiring 3 is In the plan view, it is located in the space of the concave portion 12. That is, the rubber bush 4 and the plug 5
The two side plates 10d and 10e and the top 11 do not protrude outward.

Therefore, for example, as shown in FIG.
For example, even if the 0 side plate 10e is brought into close contact with the room wall B of the trunk room, or the side plate 10e is brought down and the side plate 10e is brought into close contact with the room floor, the rubber bush 4 or the plug 5 does not hit the room wall B or the room floor. . Accordingly, it is possible to prevent the occurrence of an obstacle such as the plug 5 or the like colliding with the room wall B and being damaged, and as shown by a solid line in FIG. Direction), the angle of the lead-out direction of the wirings 2 and 3 with respect to the center line O of the rubber bush 4 and the plug 5 can be set to about 45 degrees, which is shallower than 90 degrees, and the curvature of the wiring is more curved than before. It can be made large and the stress inside the wiring does not increase. Further, as shown by a chain line in FIG.
Is extended substantially parallel to the side plate 10d, the detour angle of the wires 2 and 3 with respect to the center line O of the rubber bush 4 and the plug 5 becomes smaller than 180 degrees.
And the bending stress acting on it becomes smaller. Therefore, no excessive force acts on the wirings 2 and 3. Since the bottom surface 12a of the concave portion is oriented at 45 degrees with respect to both the side plates 10d and 10e, as shown in FIG.
3 is closely attached to the room wall B such as a trunk room, or the side plate 10d is directed downward and the side plate 10d is closely attached to the room floor, the wiring conditions of the wirings 2 and 3 are the same as those in FIG.

FIG. 5 shows another embodiment of the present invention. In this embodiment, the wires 2 and 3 are both held by a rubber bush 25. A holding groove 12 d in which the rubber bush 25 is fitted is formed on the bottom surface 12 a of the concave portion 12. In the embodiment shown in FIG. 5, the drawing directions of the wirings 2 and 3 are the same as those in the embodiment shown in FIG. However, FIG.
In the embodiment shown in FIG. 7, the relay board 22 is not provided inside the bottom surface 12a of the concave portion 12, so that the internal space of the housing 10 inside the concave portion 12 can be effectively used.
Parts can be deleted. In the above embodiment, the in-vehicle disc changer is described as an electronic device. However, the present invention can be applied to in-vehicle audio devices other than the disc changer, and housings of various electronic devices for home use, office use, etc. The present invention can be applied to the body.

[0016]

As described above, in the invention of the present application , since the wiring is drawn out from the recess formed in the corner of the housing, even if the side plate of the housing is brought into close contact with a wall or the like, the wiring can be formed. Can be routed. In addition, since the top of the corner of the housing remains in a portion other than the concave portion, the internal components of the housing can be arranged inside the corner, and the substantial capacity in the housing is not significantly reduced. Furthermore, the bottom of the recess sandwiches the corner
Makes an angle of approximately 45 degrees with the adjacent side plates,
The bush or repeater fixed on the bottom of the
Within the area enclosed by each extension of the side plate
Therefore, connect the wiring drawn from this bottom to either side.
Even if it is curved in the direction along the board,
The curvature is larger than before, increasing the internal stress of the wiring.
I will not let you.

[0017]

[Brief description of the drawings]

FIG. 1 is a perspective view showing a housing of a vehicle-mounted disc changer as one embodiment of the present invention from the back side;

FIG. 2 is an exploded perspective view of a corner of a housing,

FIG. 3 is a plan view of a corner of the housing,

FIG. 4 is a plan view of a corner of the housing,

FIG. 5 is an exploded perspective view of a corner of a housing showing another embodiment;

FIG. 6 is a perspective view showing a corner of a housing of a conventional electronic device;

FIG. 7 is a plan view showing the routing of external wiring in a conventional electronic device.

[Explanation of symbols]

 2, 3 External wiring 4, 25 Rubber bush 5 Plug 6 Optical repeater 10 Casing 10d, 10e Crossing and adjacent side plates 11 Corner top 12 Recess 12a Bottom

Claims (1)

(57) [Scope of request for utility model registration] The corner portion of claim 1. A electronic apparatus housing, the recess leaving the top of the corner portion is formed, the recess across the corner portion adjacent
Has a bottom surface that makes an angle of approximately 45 degrees with the contacting side plates
On the bottom , a bush or middle
The repeater is fixed and this fixed bush or repeater
Is within the area surrounded by each extension surface of both side plates
A wiring structure of an electronic device characterized by being located .