JP2569463Y2 - Shield piece mounting structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shield piece mounting structure used for mounting a shield case or the like in a housing of an electronic device or the like.

[0002]

2. Description of the Related Art When a shield case is mounted in a housing, a shield piece made of a conductive spring material such as beryllium copper is inserted between the housing plate and the shield case, and the shield piece is compressed and deformed. The shield case has a structure in which the shield case maintains electrical contact between the shield case and the housing plate.

FIG. 3 shows an example. In the figure, reference numeral 1 denotes a shield case, and 2 denotes a housing plate forming a housing. The shield piece 3 is attached to the housing plate 2, and the shield case 1 is pressed against the housing plate 2 to compress and deform the shield piece 3 to maintain the electrical contact between the shield case 1 and the housing plate 2. In the example shown in FIG. 3, the shield plate 3 is mounted on the housing plate 2 by sandwiching the housing plate 2 by a bent portion 3A bent in a U-shape in the example of FIG. Is shown.

[0004] Other mounting structures are shown in FIGS.
FIG. 4 shows an example in which the shield piece 3 is soldered to the housing plate 2. FIG. 5 shows a case where the shield piece 3 is welded to the housing plate 2. FIG. 6 shows a case where the shield piece 3 is bonded to the housing plate 2 with an adhesive. In the example of FIG.
Shows a case where the shield piece 3 is attached to the housing plate 2.

[0005]

The mounting structure of the shield piece 3 shown in FIG. 3 is easy to mount, but has a disadvantage that the shield piece 3 is easily detached. Further, the mounting structure shown in FIGS. 4 to 7 has a drawback that the shield piece 3 is hard to come off, but requires much time for mounting. In particular, in the mounting structure shown in FIG. 6, since an adhesive is interposed between the shield piece 3 and the housing plate 2, the electrical conduction resistance between the shield piece 3 and the housing plate 2 is increased, so that the shielding effect is obtained. Has the disadvantage of reducing

An object of the present invention is to propose a shield piece mounting structure which can be easily mounted, is hardly disengaged, and does not reduce the shielding effect.

[0007]

Means for Solving the Problems A shield according to the invention
The one-sided mounting structure is a rectangular plate with a horizontal length of W and is bent vertically.
Between the shield case and the housing plate.
The shield cable is inserted due to the elasticity of the shield piece.
For maintaining electrical contact between the base and the housing plate.
In the shield piece mounting structure, fold back to the above shield piece
The length of the part is LL
In addition, the length of the housing plate is slightly longer than the width W and the width WW
Forms a slit shorter than the above LL, and this slit
Insert the bent part formed on the shield piece into
The case plate is sandwiched by the elasticity of
The solder piece is mounted on the housing plate. In addition to forming a slit in the housing plate, providing a bent portion in the shape of a U on the shield piece, inserting this bent portion into the slit formed in the housing plate, the plate surface of the edge of the slit It is structured to be held between U-shaped bent portions. According to the structure of the present invention, the U-shaped bent portion formed on the shield plate is inserted into the slit formed on the housing plate, and the plate surface at the edge of the slit is simply clamped by the U-shaped bent portion. Therefore, mounting is easy. Of course, since the bent portion of the shield piece is engaged with the slit, it is difficult to come off, and since the shield piece is in direct contact with the housing plate, the conduction resistance is low. Therefore, there is no reduction in the shielding effect.

[0008]

1 and 2 show an embodiment of the present invention.
Parts corresponding to those in FIG. 3 are denoted by the same reference numerals. In this invention, the slit S is formed in the housing plate 2. The length L of the slit S is selected to be slightly longer than the width W of the shield piece 3 as shown in FIG. The shield piece 3 is provided with a bent portion 3A bent in a U-shape. Insert the bent portion 3A into the slit S, insert the housing plate 2 between the plate surfaces of the bent portion 3A,
The housing plate 2 is held between the bent portions 3A.

In order to facilitate the operation of inserting the bent portion 3A into the slit S, a bent portion 3B may be provided at the tip of the bent portion 3A. By inserting the warped portion 3B into the slit S, the operation of inserting the housing plate 2 between the plate surfaces of the bent portion 3A can be easily performed.

[0010]

As described above, according to the present invention, the bent portion 3A of the shield piece 3 is formed in the slit S formed in the housing plate 2.
, The housing plate 2 is sandwiched between the plate surfaces of the bent portions 3A, and the housing plate 2 is sandwiched by the bent portions 3A, so that mounting can be performed easily. The movement of the shield piece 3 is restricted in the longitudinal direction of the slit S.
Further, when the shield piece 3 is moved in the direction of the arrow X, the bent portion of the bent portion 3A comes into contact with the side on the opposite side of the slit S, and is hard to slip out. That is, if the length LL of the bent portion 3A is formed slightly longer than the width (WW) of the slit S, the bent portion 3A does not fall out of the slit S. Therefore, it is possible to obtain a shield piece mounting structure that is easily mounted and hard to be removed.

Further, since the shield piece 3 is in direct contact with the housing plate 2, the electrical contact between the housing plate 2 and the shield piece 3 is stable and a low contact resistance can be obtained. As a result, there is no reduction in the shielding effect, and a good shielding effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a plan view of a main part of the present invention viewed from above.

FIG. 3 is a cross-sectional view for explaining a conventional technique.

FIG. 4 is a cross-sectional view for explaining another example of the related art.

FIG. 5 is a cross-sectional view for explaining another example of the related art.

FIG. 6 is a cross-sectional view for explaining another example of the related art.

FIG. 7 is a cross-sectional view for explaining another example of the related art.

[Explanation of symbols]

 Reference Signs List 1 shield case 2 housing plate 3 shield piece 3A bent part S slit

Claims (1)

(57) [Scope of request for utility model registration] 1. A rectangular plate having a horizontal length of W and a tune in a vertical direction.
Between the shield case and the housing plate.
Via cuttings, in shield piece mounting structure for maintaining electrical contact between the shield case and the housing plate by the elasticity of the shield piece, the shield piece of the folded portion length LL of the U-shaped And a bent portion having a length of W
Slightly longer than, on the width WW forms a shorter slit than the LL, formed in the shield piece slit
Serial bent portion inserts a shield piece mounting structure, characterized in that the shield piece by clamping the said housing plate by the elasticity of the bent portion is configured to be mounted to the housing plate.