JP2534218Y2 - Case for electronic components - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component case, and more particularly to an electronic component case having an electronic component shielding effect (EMI).

[0002]

2. Description of the Related Art Conventionally, this kind of electronic component case 1 has
It is configured as shown in FIG. As shown in the figure, an electronic component case 1 includes a substrate 2 and a housing 3 surrounding a peripheral side of an electronic component (not shown) mounted thereon.
And a cover 4 that covers the opening of the housing 3 from the front and back of the substrate 2.

[0003] The housing 3 has adjacent side walls 3.
a, an engagement hole 5 is formed at an end of one of the side walls 3a;
An engaging piece 6 formed by projecting from the end of the other side wall 3b into the engaging hole 5 is fitted, and the engaging pieces 6 protruding from the engaging hole 5 are caulked, so that It is fixed and defines the side wall of the electronic component case 1.

The cover 4 is bent from four sides of a surface 4a having a substantially rectangular outer shape defining an upper wall or a lower wall of the electronic component case 1 to the side walls 3a and 3b. It has a plurality of mounting side pieces 4b which are lowered or raised so as to be superposed from the outside.

[0005] The attachment side piece 4b of the cover 4 is formed with a folded portion 4c at the tip end so as to have a biasing force against the side walls 3a and 3b. In addition, the housing 3
A raised portion 3c is formed in a portion of the side walls 3a, 3b of the above which overlaps with the mounting side piece 4b so as to protrude outward from the inside by press working or the like.

Accordingly, when assembling the electronic component case 1, the opening of the housing 3 is covered with the cover 4 from the front and back of the substrate 2, and the folded portion formed at the tip of the mounting side piece 4 b of the cover 4. The cover 3 is attached to the housing 3 so that the portion 4c passes over the raised portion 3c of the housing 3.
Was pressed and fitted.

[0007]

In the case of the conventional electronic component case 1, when the cover 4 is re-opened after the cover 4 is fitted to the housing 3 and assembled, the cover 4 is closed. A tool such as a screwdriver is forcibly inserted between the folded portion 4c formed at the distal end of the mounting side piece 4b and the housing to pry open the cover 4. Therefore, there is a problem that the mounting side piece 4b of the cover 4 is deformed, and it becomes difficult to reuse the cover 4.

Further, even if the cover 4 can be reused, if the mounting side piece 4b is deformed, the contact between the cover 4 and the housing 3 is deteriorated, and the electronic component case 1 is removed. However, there is a problem that the shielding effect (EMI) of the electronic component is reduced.

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to easily open a cover without deforming a mounting side piece to a housing, and to provide a shielding effect (EM) for electronic components.
An object of the present invention is to provide a case for an electronic component, which can maintain I) favorably.

[0010]

SUMMARY OF THE INVENTION According to the present invention, there is provided an electronic component case, comprising: a housing surrounding a substrate and a peripheral side of an electronic component mounted thereon; An electronic component case that is assembled by fitting the cover to the housing, wherein the cover has a cover surface that covers the opening surface of the housing, and at least one side of the cover surface. A claw portion provided at a part of an edge of the housing and abutting against an opening side end of the housing and protruding laterally so as not to fit into the housing; and a housing provided at another portion of the edge portion This is attained by having a fitting portion for fitting into the device.

[0011]

According to the above construction, the electronic component case comprises the substrate and the housing surrounding the peripheral side of the electronic component mounted thereon, and the cover covering the opening of the housing. The assembling is performed by fitting a fitting portion formed by bending the cover edge to the housing.

When the cover is opened after assembling the electronic component case, at least one edge portion of the cover is formed as a claw protruding laterally so as not to fit into the housing. The cover can be easily opened by peeling off the claw portion with a tool such as a screwdriver.

Since the claw portion is formed at a position different from the fitting portion on the edge of the cover, the fitting portion does not deform even if stress is applied to the claw portion with a tool. as a result,
Not only can the cover be reused, but also the contact between the cover and the housing does not decrease, so that the shielding effect (EMI) of the electronic component can be maintained well.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electronic component case according to the present invention will be described below in detail with reference to the accompanying drawings.

As shown in FIG. 1, an electronic component case 11 has a housing 13 surrounding a substrate 12 and a peripheral part of an electronic component (not shown) mounted thereon, and an opening of the housing 13. And a cover 14 for covering the portion from the front and back of the substrate 12.

The housing 13 is provided with an engaging hole 15 at the end of one side wall 13a of the adjacent side walls 13a and 13b, and the other side wall 13a is formed in the engaging hole.
The engaging pieces 16 formed by projecting at the ends of the engaging parts 16 are fitted together, and the portions of the engaging pieces 16 protruding from the engaging holes 15 are caulked to be fixed to each other. The side wall of the case 11 is defined.

The cover 14 is formed such that a surface 14a defining an upper wall or a lower wall of the electronic component case 1 has a substantially rectangular outer shape, and a part of an edge 14b of one side thereof is It is formed as a claw portion 17 protruding laterally so as not to fit into the housing 13. The other part of the edge 14b is bent and
A plurality of mounting-side pieces 14c are formed as fitting parts fixed to the mounting member 3.

More specifically, a plurality of mounting pieces 14c are formed at the center of at least one edge 14b of the cover 14, and claw portions projecting laterally at two places on both sides of the mounting pieces 14c. 17 are formed.

The other three edges of the surface 14a having a substantially rectangular outer shape of the cover 14 are lowered or raised so as to be superimposed on the side walls 13a and 13b from outside by bending. Further, a plurality of mounting side pieces 14c as fitting portions for fitting and fixing to the housing 13 are formed as a whole.

In this embodiment, the claws 17 are formed only on one edge 14b of the surface 14a having a substantially rectangular outer shape of the cover 14. However, two, three, or all sides are formed. The claw portion 17 may be formed at the edge of the edge portion, and the number of places where the claw portion 17 is formed at one edge portion is not limited to two.

At the tip of the mounting piece 14c,
A folded portion 14d is formed to have a biasing force on the side walls 13a and 13b.

Further, the side wall 13 of the housing 13
a, 13b, which overlap with the mounting side piece 14c,
A raised portion 13c is formed so as to protrude outward from the inside by press working or the like.

The housing 13 thus formed
And electronic device case 11 using
Is assembled by connecting the opening of the housing 13 to the substrate 12
The cover 14 is pressed against the housing 13 so that the folded portion 14d formed at the end of the mounting side piece 14c of the cover 14 passes over the raised portion 13c of the housing 13. It is to be fitted.

Next, the operation of the above embodiment will be described.
As described above, the electronic component case 11 is
2 and a housing 13 surrounding the peripheral side of the electronic component mounted thereon, and a cover 14 covering an opening of the housing 13.
The fitting and fixing are performed by the folded portion 14d of the mounting side piece 14c as the fitting portion formed on the cover 14 going over the raised portion 13c formed on the housing 13.

Therefore, when the cover 14 is opened after assembling the electronic component case 11, the raised portion 13c formed on the housing 13 is replaced with the folded portion 14d of the mounting side piece 14c formed on the cover 14. In this case, the claw 17 formed on the edge 14b of one side of the surface 14a having a substantially rectangular outer shape may be peeled off with a tool such as a screwdriver. The cover can be easily opened.

The claw portion 17 is provided at one edge 14b of the cover 14 at the mounting side piece 14 as the fitting portion.
Since the claw portion 17 is peeled off with a tool, it is not deformed because no stress is applied to the mounting side piece 14c.

Even if the mounting side piece 14c is deformed when the cover 14 is opened, there is almost no change in the fitting dimension since no stress is applied directly from the tool. Even if the claw portion 17 is deformed, the deformation can be easily corrected.

That is, maintenance of the electronic components housed in the electronic component case 11 becomes easy, and the cover 1
4 can be reused. Further, since the contact between the cover 14 and the housing 13 does not decrease, the shielding effect (EMI) of the electronic component can be maintained well.

[0031]

As described above, according to the electronic component case of the present invention, the cover can be easily opened without deforming the mounting side piece to the housing, and the shielding effect (EMI) of the electronic component can be achieved. Can be maintained satisfactorily.

[Brief description of the drawings]

FIG. 1 is a perspective view of an essential part showing an embodiment of an electronic component case according to the present invention.

FIG. 2 is a plan view of an essential part showing an embodiment of the electronic component case according to the present invention.

FIG. 3 is a perspective view showing a main part of a conventional electronic component case.

[Explanation of symbols]

Reference Signs List 11 electronic component case 12 substrate 13 housing 13a, 13b side wall 13c raised portion 14 cover 14a surface defining upper or lower wall of electronic component case 14b edge of one side 14c mounting side piece (fitting portion) 14d folded back Part 15 Engagement hole 16 Engagement piece 17 Claw part

Claims (1)

(57) [Scope of request for utility model registration] 1. The method according to claim 1 , further comprising the steps of:
And a housing that fits into the housing.
And a cover for covering the opening of the housing.
A case for an electronic component that is fitted into the housing and assembled.
The cover covers an opening surface of the housing.
A cover surface and a part of at least one edge of the cover surface
Abutting against the opening side end of the housing and
A claw protruding sideways so as not to fit into the jing;
Provided on other parts of the edge to fit into the housing
And a fitting part for an electronic component.
Su.