JPH0134362Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a casing device for electronic equipment, and relates to an assembly configuration of an outer casing of, for example, audio and video equipment.

[Technical background of the invention and its problems]

Conventionally, as shown in Fig. 1, the outer casing of this type of audio equipment has a chassis 1 formed of sheet metal in the shape of a rectangular frame, a front inner panel 2, a back panel 3, and a U-shaped cross section. bonnet 4,
A configuration is adopted in which the casing is assembled by tightening and threading the bottom plate 5 and the front panel 6 together using screws.

However, when assembling a case with this configuration, assembly accuracy tends to be low due to variations in manufacturing dimensions of each component, variations due to assembly errors, and variations in assembly by workers, etc. Parts, especially the chassis 1 and the U-shaped bonnet 4
It is bulky and difficult to handle during work and storage.Furthermore, the tightening direction of the screws differs depending on each part, so it must be tightened from all directions: front and back, left and right, and top and bottom. Since there are many tightening points, many man-hours are required, and assembly is not easy, making it difficult to rationalize assembly such as line assembly, and rationalize screw tightening. Further, since the electrical mechanical parts are assembled into the chassis 1 while being assembled, the processing of the electrical mechanical parts is troublesome.

[Purpose of invention]

The present invention was developed in view of the above-mentioned drawbacks, and is an electronic device that is easy to handle and assemble in terms of parts storage and assembly work, is easy to rationalize assembly, is easy to automate screw tightening, and has high assembly accuracy. The purpose of this invention is to provide a housing device.

[Summary of the idea]

In this invention, joint bodies having connection parts in two directions are arranged at four corners, and between the left front joint body and the left rear joint body, and between the right front joint body and the right rear joint body. Connect the rectangular side panels through one connection to the left front joint body and the right front joint body through the other connection, and connect the square front inner panel to the left front joint body and the right front joint body through the other joint body. A rectangular rear panel is connected between the joint body and the right rear joint body through the other connection part to form a frame body, and a square front panel is attached to the outside of the front inner panel of this frame body. is characterized in that a rectangular bonnet is attached to the upper surface of the frame, and a rectangular bottom plate is attached to the lower surface of the frame, each member is a flat plate for easy handling, and each joint body can be used as a jig. This improves assembly accuracy and allows electrical mechanical parts to be attached to each flat plate member in advance.

[Example of idea]

An embodiment of the present invention will be described below with reference to FIGS. 2 to 8.

Reference numeral 11 denotes a housing device for an electronic device, and this housing device 11 has four joint bodies 12, 13, 14, and 15 arranged at four corners of the housing device 11, and each joint body 12, 13, 14, and 15, a pair of rectangular side plates 16 whose ends are connected one after another, a rectangular front inner panel 17, and a rectangular rear panel 18 form a frame 19. A rectangular front panel 20 is provided on the outside of the front inner panel 17, a rectangular bonnet 21 is provided on the upper surface of this frame 19, and a rectangular bottom plate 2 is provided on the lower surface of this frame 19.
Attach 2 each.

The four joint bodies 12, 13, 14, 15 are
In each case, a connection groove 23 having a U-shaped cross section is bored in the longitudinal direction of the rod material as a first connection part, and a connection piece 24 perpendicular to the depth direction of this connection groove 23 is formed as a second connection part. It is provided so as to extend from one side of the rod material.

Screw holes 25 and 26 are provided at both ends of the groove wall of each connection groove 23 of these joint bodies 12, 13, 14, and 15, which is located opposite to one side surface on which the connection piece 24 is provided. Screw holes 27 and 28 are also bored at both ends of each connection piece 24, respectively.

And these four joint bodies 12, 13, 1
4 and 15 are arranged at the four corners of the housing device 11, and among the joint bodies 12, 13, 14, and 15, the left front joint body 12 and the right front joint body 13 are symmetrical. The connecting grooves 23 face each other, and the connecting pieces 24 extend rearward. Further, the left rear joint body 14 and the right rear joint body 15 are also bilaterally symmetrical, the respective connection grooves 23 facing each other, and the respective connection pieces 24 extending forward. As a result, the connection piece 24 of the left front joint body 12 and the connection piece 24 of the left rear joint body 14 are opposed to each other, and the connection piece 24 of the right front joint body 13 and the connection piece of the right rear joint body 15 are opposed to each other. 24 also face each other. Note that the extending tip of each connecting piece 24 is bent to have an L-shaped cross section.

Next, the pair of side plates 16, the front inner panel 1
7. The rear panel 18 has a bent portion 29 formed by bending each side that will form the upper and lower edges of the frame 19 inward when the frame 19 is formed. have each.

One of the pair of side plates 16 connects both ends of the side plate 16 to the connecting piece 24 of the left front joint body 12 and the opposite connecting piece 24 of the left rear joint body 14 with screws 30. On the other hand, both ends of the side plate 16 are connected to the connecting piece 24 of the right front joint body 13 and the opposing connecting piece 24 of the right rear joint body 15 by screws 31.

Further, both ends of the front inner panel 17 are fitted into the connecting groove 23 of the left front joint body 12 and the connecting groove 23 of the right front joint body 13 opposite thereto, and connected with screws 32. Further, both ends of the rear panel 18 are fitted into the connecting groove 23 of the left rear joint body 14 and the connecting groove 23 of the right rear joint body 15 opposite thereto, and connected with screws 33.

A rectangular frame 19 is formed by the above members. A front panel 20 is attached to the front surface of the front inner panel 17, which is the front surface of the frame body 19. This front panel 20 is a rectangular plate, and the bent portion 3 is bent rearward so that its periphery covers the front inner panel 17 and the left and right front joint bodies 12 and 13.
4 on all four sides, and is secured to the bent portion 29 on the upper surface of the front inner panel 17 by a screw 36 through a screw hole 35 bored in the bent portion 34 on the upper long side.

The bonnet 21 attached to the upper surface of the frame body 19 is a rectangular plate, and has a tongue-shaped locking piece 37 projecting on the side corresponding to the front inner panel 17, and the left and right sides corresponding to the left and right side plates 16. The side corresponding to the back panel 18 is bent and allowed to hang down, and the bent portion thus formed is formed by:
The rear panel 18 is locked to the joint bodies 14, 15 by using the same screws 33 that connect them to the joint bodies 14, 15. At this time, the tongue-shaped locking piece 37 is inserted and locked into the locking hole 38 provided in the front inner panel 17.

Finally, the rectangular bottom plate 22 attached to the lower surface of the frame 19 has bent portions 29 on the lower surfaces of the side plates 16, the front inner panel 17, and the rear panel 18, and forms the outer edge of the lower surface of the frame 19. It is attached with screws 39.

Each member of the housing device 11 can be stored simply by stacking the members, since each member is simply a flat plate.

When assembling an electronic device using this housing device 11, the electrical mechanical parts to be incorporated into the housing device 11 are processed, assembled, and then attached to each side plate 16, front inner panel 17, back panel 18, and bottom plate 22. After installing these electrical mechanical parts, the housing device 11
Start assembling.

To assemble the housing device 11, first, the joint bodies 12, 13, 14, 15 are connected to both ends of the side plates 16, and then the front inner panel 17 and the back panel 1 are assembled.
8 are sequentially connected to form a frame body 19, a front panel 20 is attached to the front of the front inner panel 17, and a bottom plate 22 and a bonnet 21 are attached to the frame body 19 to complete the process.

When assembling this housing device 11, each joint body 1
2, 13, 14, and 15 also serve as a jig for keeping the connection direction of the side plates 16, the front inner panel 17, and the back panel 18 constant. In particular, each joint body 1
If 2, 13, 14, and 15 are molded products such as injection molding, the precision of the jig will be greater.

Note that if each of the joint bodies 12, 13, 14, and 15 is made of an insulator, and a transformer is attached to the side plate 16 or the rear panel 18, the four corners of the housing device 11 will be formed by the joint bodies 12, 13, 14 and 15, the influence of flux etc. can be eliminated, and the electrical characteristics can be improved.

Furthermore, as shown in FIG. 9, rectangular decorative wooden materials 40 may be further attached to the outer surfaces of the side panels 16, and as shown in FIG. Good too. Furthermore, the side plate 16 may be made of various other materials, such as a marble plate, and by doing so, it is possible to add a design change to the housing device 11, such as giving it a high-class feel.

The above-described assembly of the casing device can be done at the end of the manufacturing process of the electronic device, and there is no fear of damaging the decorative parts such as the front panel 20 and the decorative wood material 40.

[Effect of idea]

This invention is assembled by attaching the front inner panel, rear panel, and a pair of side plates, which are all flat plates, to the four joint bodies, and then attaching the bonnet, bottom plate, and front panel, which are also flat plates. It is not bulky and is easy to handle in terms of storage and assembly work.

Furthermore, the number of screws is smaller than before, and there is no need for a chassis, and it is possible to streamline assembly by connecting electrically and mechanically necessary parts to each part of the housing device in advance. In addition, since the direction in which the screws are tightened is limited to the top, back, and bottom surfaces of the housing device, the screw tightening can be automated and can be easily implemented in a line.

At this time, the electrical mechanical parts to be attached to this housing device can be processed separately from the housing device, compared to the case where they are attached to a conventional chassis, and the manufacture of the electronic device itself becomes easier.

Furthermore, since the joint body that acts as a jig is used and the front inner panel, rear panel, and pair of side plates are attached to this joint body, assembly errors are eliminated and assembly accuracy is increased. In particular, when the joint body is molded by injection molding of synthetic resin, there is no variation in manufacturing dimensions and the assembly accuracy is higher.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing a conventional housing device, Fig. 2 is a partially cutaway exploded perspective view showing an embodiment of the device of the present invention, Fig. 3 is a front view of the joint body, and Fig. 4
The figure is a cross-sectional view of the joint body, Figures 5 and 6 are exploded perspective views showing a part of the housing device, Figure 7 is a top view of the assembled frame, and Figure 8 is the left side of the assembled frame. Figure, No. 9
This figure and FIG. 10 are exploded perspective views showing a part of another embodiment. 12, 13, 14, 15... joint body, 16...
Side plate, 17...Front inner panel, 18...Back panel, 19...Frame body, 20...Front panel, 21
... Bonnet, 22 ... Bottom plate, 23, 24 ...
Connection part.

Claims (1)

[Claims for Utility Model Registration] (1) Joint bodies with connection parts in two directions are arranged at the four corners, and between the left front joint body and the left rear joint body, and between the right front joint body and the right joint body. Connect the rectangular side plates to the rear joint body through one connection, and connect the square front side plates to the left front joint body and the right front joint body through the other connection. A rectangular rear panel is connected between the left rear joint body and the right rear joint body through the other connection part to form a frame body, and the front inside panel of this frame body is A casing device for an electronic device, characterized in that a rectangular front panel is attached to the outside, a rectangular bonnet is attached to the upper surface of the frame, and a rectangular bottom plate is attached to the lower surface of the frame. (2) The casing device for an electronic device according to claim 1, wherein the both side plates have a rectangular decorative wood material polymerized on their outer surfaces. (3) The casing device for an electronic device according to claim 1, wherein the both side plates are made of rectangular decorative wood material.