JP2000124628A - Housing structure for personal computer or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attach and detach a cover, without forcibly increasing the interval between side plate parts on both the sides of the cover. SOLUTION: A claw part 15 is formed continuously to the lower side edges of left and right side plate parts 9 and 10 of a cover B1, and a small groove 6 and a small recessed part 7 which are laterally opened are formed continuously to left and right raised edge parts 3 and 4 of the bottom plate part 1 of a main body A1. The cover B1 is made to cover the main body A1, while the interval between the left and right side plate parts 9 and 10 of the cover B1 is held as it is, and the cover is moved over the main body so that the claw part 15 enters into the small groove 6 and is then caught by the small recessed part 7. Then screws 17 are inserted into the screw holes 12a of the cover B1, and the screw holes 2a on the side of the main body A which are aligned with them to fix the cover B1 to the main body A1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a housing structure of a personal computer or the like.

[0002]

2. Description of the Related Art A housing of a personal computer usually includes a cover having an upper plate and side plates on both sides, and a main body. The cover is put on the main body and fixed with screws. Conventionally, the screwing is done by matching the hole on the cover side with the hole on the body side one by one on each of the side and back sides of the housing. Is troublesome work.

Recently, in order to improve the workability of attaching / detaching the cover, there is a type in which a separate part is provided inside the cover and the part is hooked to the main body side to reduce the number of screws.

[0004]

However, in the case of the prior art as described above, when removing the cover, it is necessary to forcibly increase the interval between the side plates on both sides of the cover, and the rigidity of the cover is reduced. It is difficult to remove the cover when it is high or small, or when there is no space to open the side plates on both sides of the cover to the outside of the main body. In addition, there is also a problem that the cover is deformed by opening the side plate portions on both sides of the cover to the outside of the main body, and the appearance quality of the product is deteriorated.

SUMMARY OF THE INVENTION It is an object of the present invention to mount and remove a cover without forcibly widening the distance between side plates on both sides of the cover when attaching and detaching the cover.
The object is to make removal easy.

[0006]

A housing structure according to the present invention is characterized in that a small claw portion is formed on one of an edge of a side plate portion on both sides of a cover and an edge portion on both sides of a main body, and a small groove is formed on the other side. When the cover is put on the main body with the distance between the side plates kept in the original shape and the cover is moved with respect to the main body, the claws are inserted into the small groove and then hooked on the opening edge of the small groove.

In one specific embodiment, a claw portion is formed laterally integrally with the lower edge of the side plate portion on both sides of the cover, and a small groove and a small concave portion opened laterally are formed on the rising edge portion on both sides of the main body bottom plate portion. When the cover is placed over the main body with the gap between the side plates on both sides of the cover kept in the original shape and the cover is moved with respect to the main body, the claw enters the small groove, and the claw is caught in the small recess. I do. In this specific form,
Application is also possible when the main body is box-shaped.

In another specific embodiment, a claw portion is integrally formed downward on the lower edge of the side plate portion on both sides of the cover, and a small groove which opens upward is formed on the edge portion on both sides of the main body bottom plate portion. When the cover is put on the main body from above while keeping the interval between the side plates in the original shape, and the cover is moved with respect to the main body,
After the claw drops into the small groove, the claw is hooked on the opening edge of the small groove.

[0009]

Next, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows a housing structure according to a first embodiment of the present invention. In this example, the housing is configured by covering the main body A1 with the cover B1 from above.

As shown in FIG. 1A, the main body A1 is
The rear plate 2 is formed integrally with the rear edge of the bottom plate 1 and the left and right rising edges 3 are formed on the left and right edges of the bottom plate 1.
4 is integrally bent and the front panel 5 is attached to the front edge of the bottom plate 1. Screw holes 2 a are provided on both left and right sides of the rear plate 2.

The left and right rising edges 3 and 4 of the main body A1 are provided with two lateral small grooves 6 and small concave
Are continuously formed. FIG. 1B shows the small groove 6 and the small concave portion 7 in an enlarged manner. In this example, the raised edges 3 and 4 are partially cut and depressed inward, and the rear portion of the depressed portion is cut out to form a small groove 6.
Is formed, and a small recess 7 is formed by the remaining front portion of the depressed portion, and the small groove 6 and the small recess 7 are opened laterally.

The cover B1 has left and right side plates 9 and 10 hanging down from the left and right edges of the upper plate 8, and the upper plate 8
The lower edge 11 is formed on the rear edge of the left and right side plate portions 9.
The rear end 10 has a rear edge 12 having a screw hole 12a.

The lower edges of the left and right side plates 9 and 10 of the cover B1 are folded inwardly to form a folded edge 13
・ It is 14. Small claw portions 15 are formed in the left and right folded edge portions 13 and 14 at two front and rear portions, respectively, to bend laterally. FIG. 1C shows the claw portion 15 in an enlarged manner. The tip of each claw 15 is slightly curved to form a guide 16 so as to be easily inserted into the small groove 6.

As described above, the left and right side plates 9 of the cover B1
The four claws 15 formed on the lower side edge of the main body A1 are provided with four small grooves 6 formed on the left and right rising edges 3 and 4 of the main body A1.
And the cover B1 is used to fix the cover B1 to the main body A1 in the following manner.

As shown in FIG. 2 (a), the cover B1 is shifted slightly rearward with respect to the main body A1 so that the distance between the left and right side plates 9 and 10 of the cover B1 is not increased. B1 is directly placed on the main body A1 from above, and the left and right side plates 9 and 10 of the cover B1 are moved forward along the right and left rising edges 3 and 4 of the main body A1 as they are. Then, as shown in FIG. 2D, the four claw portions 15 on the cover B1 enter the four small grooves 6 on the main body A1 side. When the cover B1 is further moved slightly forward after entering, as shown in FIG.
Cover parts B are caught by the four claw portions 15
1 does not come off the main body A1 even if it is lifted upward. Then, if the screw 17 is screwed into the screw hole 12a of the cover B1 and the screw hole 2a of the body A1 corresponding to the screw hole 12a, the cover B1 is fixed to the body A1 without moving in any direction. Therefore, the number of screws used is minimal.

FIG. 3 (a) shows the fitting state of the cover B1 and the main body A1 after the combination as described above.
3 (b) and 3 (c) show a bb section and a cc section, respectively, in FIG. 3 (a).

When the cover B1 is to be removed from the main body A1, the screw 17 is first removed, and the cover B1 is moved slightly backward with respect to the main body A1 so that the four claws 15 and the four small recesses 7 are formed. When the cover B1 is lifted straight as it is after the hooking of the cover B1 is released, the four claw portions 15 are pulled out from the four small grooves 6, and the left and right side plate portions 9 and 10 of the cover B1 are removed.
The cover B1 can be easily removed from the main body A1 without increasing the distance between the two.

In the first embodiment, the present invention can be applied to a case in which the left and right rising edges 3 and 4 of the main body A1 are greatly raised to form a box.

FIG. 4 shows a second embodiment of the present invention.
In this example, slightly horizontally elongated small grooves 20 opening upward are formed on the upper surfaces 18 and 19 of the left and right rising edges 3 and 4 of the main body A2.

On the other hand, left and right side plate portions 9 are provided on the cover B2 side.
The claw portion 21 is integrally formed so as to protrude downward by making cuts in two front and rear portions of the left and right protruding edges 13 and 14 of the lower edge of the lower portion 10 and bending the cut portions downward.

In the case of the second embodiment, the cover B2 is attached to the main body A2.
Cover B2
The cover B2 is directly placed on the main body A2 from above without expanding the space between the left and right side plate portions 9 and 10 to cover the cover B2.
The left and right side plate portions 9 and 10 are placed on the left and right upper surface portions 18 and 19 of the main body A2 and moved forward. Then, after the four claw portions 21 on the cover B2 side fall into the four small grooves 20 on the main body A2 side, the claw portions 21 are caught on the rim of the small groove 20. A2 does not come off. If the screw 17 is screwed into the screw hole 12a of the cover B2 and the screw hole 2a of the body A2 corresponding to the screw hole 12a, the cover B2 is fixed to the body A2 without moving in any direction. Therefore, the number of screws used in this case is also minimized.

When the cover B2 is to be removed from the main body A2, the screws 17 are first removed, and the cover B2 is moved slightly backward with respect to the main body A2, so that the four claw portions 20 are pulled out of the four small grooves 21. When the cover B2 is lifted straight as it is, the left and right side plate portions 9 and 10 of the cover B2 are raised.
The cover B2 can be easily removed from the main body A2 without increasing the distance between the two.

In the above embodiment, the small groove is provided on the main body side and the claw portion is provided on the cover side.

[0025]

As described above, according to the present invention, when the cover is attached or detached, the cover is simply moved in its original state without forcibly increasing the distance between the side plates on both sides of the cover. Thus, the engagement and disengagement of the claw portions and the small grooves respectively provided on the cover and the main body can be performed, so that the cover is not deformed. Also, since the screws used for fixing are minimized as shown in the embodiment,
Installation and removal work of the cover becomes easy.

[Brief description of the drawings]

1A and 1B show a first embodiment of the present invention, wherein FIG. 1A is an exploded perspective view of the entire housing, FIG. 1B is an enlarged partial detailed view of a small groove on a main body side, and FIG. It is an enlarged partial detail view.

2A and 2B show a state in which the cover of the first embodiment is attached to the main body, FIG. 2A is an exploded perspective view of the entire housing, FIG. 2B is an enlarged partial detailed view of a small groove on the main body side, and FIG. (D) is a partial cross-sectional view taken along the line aa in FIG. (A), and (e) is the same partial cross-sectional view in a state where the claw is hooked on a small recess.

3A and 3B show a fitted state of the cover and the main body of the first embodiment, wherein FIG. 3A is an exploded perspective view of the entire housing, and FIG.
FIG. 3C is a partial cross-sectional view taken along a line b, and FIG.

4A and 4B show a second embodiment of the present invention, wherein FIG. 4A is an exploded perspective view of the entire housing, FIG. 4B is an enlarged partial detailed view of a small groove on the main body side, and FIG. FIG.

[Explanation of symbols]

 A1, A2 Body B1, B2 Cover 1 Bottom plate 2 Rear plate 2a Screw hole 3.4 Rising edge 5 Front panel 6 Small groove 7 Small recess 8 Upper plate 9.10 Side plate 11 Falling edge 12 Lateral edge 12a Screw hole 13/14 Folded edge 15 Claw 16 Guide 17 Screw 18/19 Upper surface 20 Small groove 21 Claw

Claims (3)

[Claims] 1. A housing structure for a personal computer or the like, comprising a cover having an upper plate portion and side plate portions on both sides, and a main body, wherein the cover is placed on the main body and screwed on the main body, edges of the side plate portions on both sides of the cover. A small claw portion is formed on one of the edges on both sides of the body and the main body, and a small groove is formed on the other side, the cover is put on the main body while keeping the gap between the side plates on both sides of the cover in the original shape, and the cover is moved relative to the main body And a claw portion is inserted into the small groove and then hooked on the opening edge of the small groove. 2. A claw portion is formed laterally integrally with a lower edge of a side plate portion on both sides of a cover, and a small groove and a small recess which are opened laterally are formed continuously on rising edges on both sides of a main body bottom plate portion. When the cover is put on the main body while keeping the distance between the side plate portions in the original shape, and the cover is moved with respect to the main body, the claw portion enters the small groove, and then the claw portion is caught in the small concave portion. A housing structure for the personal computer or the like according to claim 1. 3. A claw portion is integrally formed downward on the lower edge of the side plate portion on both sides of the cover, and a small groove is formed on both sides of the bottom plate portion of the main body so as to open upward. When the cover is put on the main body from the upper side while keeping the original shape, and the cover is moved with respect to the main body, the claws fall into the small grooves, and the claws are hooked on the opening edges of the small grooves. A housing structure for the personal computer or the like according to claim 1.