JPH05152776A - Parts fitting device for electronic equipment - Google Patents

Abstract

PURPOSE:To surely position fitting parts against fitted parts before tightening screws by providing projections on the fitted parts side and putting fitting holes of the fitting parts on the projections. CONSTITUTION:A fan motor 11 is fitted to a frame 4 in such a way that fitting holes 14 provided in the outer enclosure 13 of the motor 11 are put on projections 12 protruded from the frame 4 and male screws 19 inserted from the motor 11 side are engaged with female screws 15 provided in the projections 12. As a result, the motor 11 is fitted to the equipment main body side of the frame 4. Therefore, nothing is protruded from the outside of the frame 4 and the motor 11 can be fitted even in the limited fitting space of a vehicle. In addition, since the projections 12 play the role of positioning means when the motor 11 is fitted to the frame 4, the workability can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component mounting apparatus in an electronic device for mounting an electronic component or the like on a mounted component such as a panel.

[0002]

2. Description of the Related Art For example, in an audio device used in a vehicle, a fan motor is provided on the back side of a panel in order to efficiently dissipate heat generated in the device body.

Such a fan motor 51 is shown in FIG.
As shown in FIG. 3, it is generally fixed by screws 53 to the outer wall 52a of the panel 52 on the side opposite to the side where the device body is built.

However, in this case, the rear side of the device is bulged, which not only impairs the aesthetic appearance, but may not be attached depending on the type of vehicle to which the vehicle is mounted.
That is, since the storage space for the audio equipment is limited by the unified standard of the automobile manufacturer, the fan motor 51 protruding outside the panel 52 may be obstructed and may not enter the space.

Therefore, in such a case, as shown in FIG. 6, the inner wall 5 of the panel 52 in which the apparatus main body is incorporated.
The fan motor 51 is attached to 2b. Normally, the mounting hole 54 of the fan motor 51 is a ridiculous hole, and therefore the fixing plate 56 provided with the female screw 55.
Need to be screwed on.

However, in the above case, the fixing plate 55 is separately required, which causes an increase in the number of parts, which is not preferable in terms of manufacturing cost. In addition, in any of the above methods,
Since there is no positioning when mounting the fan motor 51 on the panel 52, the mounting work of the fan motor 51 is extremely difficult and the workability is poor.

[0007]

Therefore, the present invention has been proposed in view of the above-mentioned technical problems, and it is possible to easily attach a component to a component to be attached and to greatly improve workability. An object of the present invention is to provide a component mounting device for an electronic device that can be improved.

[0008]

In order to achieve the above-mentioned object, the present invention is provided with a protrusion on the side of the component to be mounted,
A mounting hole for a component is fitted into the protrusion so that the component is mounted on the mounted component.

Further, according to the present invention, a female screw is provided on the protrusion, and the component is attached to the component to be attached by screwing the female screw into the female screw.

[0010]

In the present invention, since the projecting portion is provided on the mounted component side and the mounting hole of the component is fitted into the projecting portion, the component is mounted on the mounted component. The position at the time of mounting is definitely determined.

Further, according to the present invention, since the projecting portion is provided with a female screw, the component can be securely attached to the mounted component by screwing the female screw.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments to which the present invention is applied will be described in detail below with reference to the drawings. In this example,
It is an example in which the present invention is applied to a television receiver mounted on an automobile or the like.

As shown in FIG. 1, a television receiver includes a device body composed of a cathode ray tube 1 and various circuit boards, a front panel 2 for exposing a panel of the cathode ray tube 1 to the outside, and a device body. It is composed of a case 3 housed inside and a frame 4 supporting the main body of the device.

The cathode ray tube 1 is composed of, for example, R (red), G (green), and B (blue) formed on the inner surface of the panel by one electron beam emitted from one electron gun. A beam index type color television receiver (so-called index type television) that reproduces a color image by sequentially scanning primary color phosphor stripes is used. Such an index-type television uses R, G, B, R, G, B, ... with one electron beam.
.. and these three colors are sequentially scanned, and the color signals input to the CRT are switched in the order of R, G, B according to the scanning. Therefore, unlike the cathode ray tube that uses three electron beams, this index type television does not require a color selection mechanism such as an aperture grill or shadow mask, and has a simple structure similar to that of a black and white cathode ray tube.
It can be a cathode ray tube with an extremely short depth, etc.
It is extremely advantageous for use in an in-vehicle cathode ray tube. In addition,
For the cathode ray tube 1, a so-called trade name Trinitron cathode ray tube of the one-gun three-beam system can also be used.

The front panel 2 is attached to the front surface of the device body and has an opening 5 for exposing the panel of the cathode ray tube 1 to the outside. The front panel 2 also has operation buttons 6 for operating various functions of the cathode ray tube 1 and various operation buttons 7 for operating equipment such as a CD player and a video tape recorder connected to the equipment body. It is provided.

The case 3 is formed with the frame 4 as an outer shape that is large enough to accommodate the main body of the apparatus therein and can be accommodated in a space provided in a console of an automobile or the like. Case 3 above
A pair of side plates 8 and 9 provided to cover the side surfaces of the device body
And the top surface 10 provided so as to cover the upper surface of the device body, and the side plates 8 and 9 and the top surface 10 are integrally bent to form a substantially U-shape.

On the other hand, the frame 4 is for supporting the apparatus main body such as the cathode ray tube 1, and is formed by bending a metal plate into a substantially L shape. As shown in FIG. 2, the frame 4 is provided with a fan motor 11 for radiating the heat and the like in the device body to the outside on a rear surface 4b portion which is provided upright at a right angle to the bottom surface 4a. In addition, a pair of protrusions 12 for attachment are provided.

The protrusion 12 is a cylindrical protrusion that fits into a pair of mounting holes 14 provided on one of the four corners of the outer casing 13 of the fan motor 11 and is directed toward the inside of the apparatus body. Are formed so as to project. The protrusion 12 is formed by subjecting the frame 4 made of a metal plate to a burring process. Further, as shown in FIG. 3, the inner peripheral surface of the protrusion 12 has a female screw 1
5 are provided. It should be noted that a plurality of heat dissipation slits 16 for efficiently dissipating the air inside the device body to the outside are provided in the portion of the frame 4 to which the fan motor 11 is attached.
Is provided.

The fan motor 11 has a fan 17 fixed to the tip of the shaft of a motor (not shown), and a rectangular outer casing 13 that houses the motor and the fan 17 therein. Is configured. It should be noted that the outer casing 13 has a mounting hole 1 provided on one of the diagonal lines.
4, the pair of female screw portions 18 are provided on the other diagonal line.

The fan motor 11 described above is shown in FIG.
As shown in FIG.
The mounting hole 14 provided in the outer casing 13 of the fan motor 11 is fitted into the mounting hole 14, and the screw 19 is inserted into the mounting hole 14 from the side of the fan motor 11 so that the projection 1
It is screwed with the female screw 15 provided on the No. 2. As a result, the fan motor 11 is attached to the device body side with respect to the frame 4. Therefore, nothing protrudes to the outside of the frame 4, and it is not only beautiful in appearance but also sufficiently compatible with a limited installation space of an automobile. Further, even when the fan motor 11 is attached to the frame 4, since the protrusion 12 is positioned, the screwing work is easy and the workability is significantly improved.

If the mounting space of the automobile or the like has a sufficient space, the female screw portion 18 provided on the outer casing 13 of the fan motor 11 has a through hole 20 in the frame 4 formed at a position corresponding to the female screw portion 18. You may make it screw-fasten from the outer side of an apparatus main body through.

[0022]

As is apparent from the above description, in the present invention, the protrusion is provided on the side of the component to be mounted, and the mounting hole provided in the component is fitted into the protrusion. It is possible to ensure the positioning of the component before the screwing with respect to the mounted component.

Further, in the present invention, since the projecting portion is provided with the female screw, the component can be securely mounted on the mounted component by screwing the female screw.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example in which a component mounting device according to the present invention is applied to a vehicle-mounted television receiver.

FIG. 2 is a perspective view of a component mounting device according to the present invention.

FIG. 3 is an enlarged cross-sectional view of a main part of a protrusion provided on the frame.

FIG. 4 is an enlarged sectional view of an essential part showing a state in which a fan motor is attached to a frame.

FIG. 5 is a perspective view showing a state in which a fan motor is attached to a frame by a conventional method.

FIG. 6 is a perspective view showing a state in which the fan motor is attached to the frame by a conventional method.

[Explanation of symbols]

 4 ... Frame 11 ... Fan motor 12 ... Projection 13 ... Outer housing 14 ... Mounting hole 15 ... Female screw 16 ... Heat dissipation slit 17 ... Fan

Claims (2)

[Claims] 1. A component mounting apparatus for an electronic device, wherein a protrusion is provided on the side of the component to be mounted, and a mounting hole for the component is fitted into the protrusion to mount the component on the component to be mounted. 2. The component mounting apparatus for an electronic device according to claim 1, wherein a female screw is provided on the protrusion, and the component is attached to the component to be attached by screwing the female screw into the female screw.