JPH0347355Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention divides the inside of the shield case into multiple parts by a partition plate, and the divided parts are interconnected through openings formed in the partition plate. The present invention relates to a shield case that is electrically connected to the shield case and whose opening is closed by a closing plate.

``Prior Art'' As shown in FIG. 2, a case 11 is constructed of a metal plate in the shape of a rectangular box, for example, as a shield case.
The top surface is an opening, and the inside of the case 11 is divided into, for example, three parts (rooms) by partition plates 12 and 13, and each divided part has an electrical circuit (not shown). Constructed wiring boards, electrical components, small electrical equipment, modules, etc. are accommodated. In order to electrically connect those electrical circuits on both sides of the middle partition plate 12 or to connect a power line, an opening 14 is formed in the middle partition plate 12 as a cutout from the top side in the figure. The connection wire (not shown) is passed through the opening 14 on both sides of the partition plate, and after passing the connection wire, the opening 14 is closed by a closing plate (not shown). Furthermore, the shield case 11 is covered with a metal lid 15 to electrically shield the entire interior thereof.

By the way, as a closing plate for closing this opening 14, one shown in FIG. 3 has conventionally been used. That is, the closing plate 16 extends substantially perpendicularly to both side edges of the metal plate portion 16a, and has U-shaped clamping pieces 16b, 16c, and 16 made of conductive elastic plates.
d and 16e are connected, and the plate portion 16a is connected to the opening 14.
The clamping piece 16 is arranged in such a manner as to block the
Partition plate 1 by b16c, 16d and 16e
Both sides of the opening 14 of No. 2 are elastically sandwiched from both sides of the middle partition plate 12, and the closing plate 16 closes the middle partition plate 12.
is held and electrically connected. Note that a gap 17 between the plate portion 16a and the lower edge of the opening 14
Although not shown in the figure, connection wires such as power supply wires and lead wires are passed through both sides of the partition board.

In this way, the conventional closing plate 16 has elastic clamping pieces 16.
b to 16e elastically sandwich and hold the partition plate and are electrically connected to each other so that both sides of the middle partition plate 12 are shielded from each other.
Each of the clamping pieces 16b to 16e protrudes considerably from both sides of the partition plate 12, and the space 18 containing them reduces the mounting space.

"Means for solving the problem" In this invention, grooves with a semicircular cross section are formed along the longitudinal direction on both sides of the rectangular opening cut into the partition plate, and the closing plate By providing a rectangular elastic conductive plate with both sides bent into a semi-cylindrical shape, and making the length of the elastic conductive plate longer than the distance between both grooves of the opening, the closing plate can be moved in the longitudinal direction. It is elastically bent and its semi-cylindrical both sides are pushed into the groove of the opening, and the semi-cylindrical both sides are brought into pressure contact with the inner surface of the groove to electrically connect the closing plate to the partition plate.

"Example" As shown in FIG. 1, grooves 34 having a semicircular cross section are formed along the longitudinal direction on both sides of the rectangular opening 14 cut into the middle partition plate 12, and the closing plate 35 is a rectangular elastic conductive plate with both sides 35a and 35b bent into a semi-cylindrical shape, and by making the length longer than the distance between both grooves of the opening 14, the closing plate 35 is The semi-cylindrical both sides 35a and 35b are pushed into the groove 34 on both sides of the opening 14, and the semi-cylindrical both sides 35a and 35b are pressed against the inner surface of the groove 34 to form a closing plate. 35 to middle partition plate 1
Electrically connect to 2.

According to this, since the closing plate 35 exists within the thickness of the partition plate 12, the mounting space for the shield case becomes large, and the closing plate 35 can be simply pushed into the groove 34 of the opening 14 without using screws or the like. It can be easily attached to the partition plate 12 with the
5b fully contacts both side surfaces of the opening 14 with strong contact pressure, shielding in the opening 14 is ensured.

"Effects of the invention" As mentioned above, according to this invention, the mounting space of the shield case is enlarged, the blocking plate can be easily attached to the partition plate, and
Shielding at the opening of the partition plate is ensured.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the opening and closing plate of the partition plate, which are the main parts of the shield case of this invention, Fig. 2 is a perspective view showing an example of the shield case, and Fig. 3 is a conventional shield. FIG. 3 is a perspective view showing an opening and a closing plate of a partition plate that is a main part of the case. 11 is a shield case, 12 is a partition plate, 1
4 is an opening, 34 is a groove, 35 is a closing plate, and 35a and 35b are both sides.

Claims (1)

[Scope of Claim for Utility Model Registration] A square box-shaped metal case is divided into a plurality of rooms by a metal partition plate, and a rectangular opening is cut into the partition plate from the open side of the case. In a shield case, the open side of the case is covered with a metal lid, and the openings are configured to electrically connect the rooms on both sides of the partition plate, and the open side of the case is covered with a metal lid. A groove with a semicircular cross section is formed along the longitudinal direction, and a rectangular elastic conductive plate with both sides bent into a semicylindrical shape is provided as a closing plate to close the opening, and the length of the elastic conductive plate is is longer than the distance between the two grooves, and the closing plate is elastically bent in its longitudinal direction so that the semi-cylindrical both sides are pushed into the groove, and the semi-cylindrical both sides are pushed into the groove. A shield case in which the closing plate is electrically connected to the partition plate by being pressed against the inner surface of the groove.