JPH0234878Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is suitable for housing electric discharge machining equipment, high frequency treatment equipment, communication equipment, etc. that generate noise that causes electromagnetic interference in other equipment such as televisions, and other equipment. The present invention relates to a panel connection device at a panel joint in an electromagnetic shielding room used for medical electroencephalography, electrocardiography, electromyography, electronic component testing, electronic environment testing, etc., which are susceptible to electromagnetic interference due to equipment noise.

In this specification, front and back refer to Figures 2 and 3.
Based on the diagram, "front" refers to the bottom of the diagram, and "back"
and refers to the opposite side.

Prior Art and Its Problems A prefabricated electromagnetic shielding room is generally assembled by connecting a plurality of panels each made of a heat insulating core material and a metal skin covering both sides of the core material.
Then, one fitting member of the adjacent panels is
The fitting member has a convex part and an edge part located on both sides of the convex part and to which the edges of both skin materials are folded back and latched. It has a concave part that can be latched, and conductive gaskets made of elastic material are arranged along both sides of the convex part.
When connecting both panels, the folded edge of the skin material and the conductive gasket are brought into close contact with each other with the conductive gasket being elastically deformed, and the skin materials of adjacent panels are is kept energized via a conductive gasket. However, since the height of the panels is quite high, gaps may occur at the upper ends of the joints of the panels when assembling the wall. especially,
When a conductive gasket is placed between adjacent panels, the above-mentioned gap is likely to occur.

Conventionally, as a connecting device for preventing the above-mentioned gap from occurring, upwardly protruding connecting walls are provided on both sides of the upper end surfaces of the panels, and the opposing connecting walls between adjacent panels are tightened with bolts. It is known that an upwardly protruding connecting wall is covered with a covering member that spans adjacent panels (Utility Model 60-
(See Publication No. 130694).

However, this connection device has a problem in that the work of fastening the opposing connection walls between adjacent panels with bolts and the work of attaching the covering member are troublesome.

The object of this invention is to provide a panel connection device for panel joints of a prefabricated electromagnetic shielding room that solves the above problems.

Means for Solving the Problems The panel connection device at the panel joint part of the prefabricated electromagnetic shielding room according to this invention has a core material, metal front and back skin materials that cover both sides of the core material, and is arranged on the surface to be connected. It is assembled by connecting panels consisting of two fitting members, and one fitting member of one of the adjacent panels is located at the convex portion and on both sides of the convex portion, and the edges of the front and back skin materials are folded back. The other fitting member has a concave part on the front and back walls where the edges of both skin materials are folded back and hung, and the other fitting member has a concave part on the front and back walls where the edges of both skin materials are folded back and hung. In a panel joint of an electromagnetic shielding chamber, a conductive gasket made of an elastic material is arranged, and when both panels are connected, the folded edge of the skin material and the conductive gasket are brought into close contact with each other while the conductive gasket is elastically deformed. The panel connecting device includes a lever mount fixed to one of two adjacent panels, a hook fixed to the other panel, and a lever mount that can be swung horizontally by a shaft. an engaging member that is pivotably pivoted in the horizontal direction by a shaft and that engages with the hook between the lever that is pivotably coupled and the pivot portion of the lever to the lever mount and the tip; Therefore, when the pivot shaft of the lever to the lever mount is positioned a predetermined distance ahead of the front of the panel, and the lever reaches the end of its swing toward the panel side where the lever mount is fixed, , so that the pivot axis of the engaging member to the lever is on the opposite side of the hook, sandwiching the pivot axis of the lever to the lever fixture, and behind the pivot axis of the lever to the lever fixture. It has been done.

Embodiments Hereinafter, embodiments of this invention will be described with reference to the drawings.

In the following description, left and right refer to the left and right sides of the drawing.

The drawing shows one set of adjacent left and right wall panels 1,
2 is shown. The left and right wall panels 1 and 2 each have a sandwich structure consisting of core materials 3 and 4 made of a heat insulating material and metal skin materials 5 and 6 covering both sides of the core materials 3 and 4. Also, both panels 1 and 2
Wooden blocks 7, 8 are arranged between the two skins 5, 6 at the upper end. In addition, 9 in Figure 1
10 indicates a ceiling, and 10 indicates a sealing material filled in the joints between the ceiling 9 and the wall panels 1 and 2.

In the parts where the left and right panels 1 and 2 are to be connected, there is a substantially U-shaped groove 12A that opens toward the other panel 2 and 1 and extends over the entire height of the panels 1 and 2.
Fitting member 1 made of synthetic resin extrusion material having 12B
1A and 11B are arranged. Small grooves 13 are provided in the bottom wall of the groove 12 at positions closer to both side walls, each opening toward the mating panels 2 and 1 and extending in the longitudinal direction. Edges 5a and 6a of the front and rear skin materials 5 and 6 of the left and right panels 1 and 2 are folded in along the inner surfaces of the side walls of the grooves 12A and 12B.

A convex portion 17 is provided by attaching the bellows 14 in the groove 12A of the fitting member 11A of the left panel 1 so that its tip protrudes from the groove 12A. Conductive gaskets 15 are arranged along both front and rear sides. Yatoizane 14 has a substantially U-shaped cross section, and has both front and rear walls 14a,
Connecting wall 1 connecting the right edges of both the front and rear walls 14a
4b, and gasket fitting grooves 16 are provided on the outer surfaces of both the front and rear walls 14a. The bellows 14 is attached to the left panel 1 by fitting the left side edges of both the front and rear walls 14a into the grooves 13 of the fitting member 11A of the left panel 1.
The convex portion 17 is fitted into the groove 12B of the fitting member 11B of the right panel 2. Conductive gasket 15
consists of an insulating rubber gasket main body and a sheet-like conductive member covering its outer peripheral surface, and is tightly fitted into the gasket fitting groove 16 of the Yatoizane 14, and is inserted into the skin material of the left and right panels 1 and 2. It is brought into close contact with the folded edges 5a, 6a of Nos. 5 and 6 in an elastically deformed state. The size of the conductive gasket 15 is such that the conductive gasket 15 is compressed by being sandwiched between the groove 16 and the edges 5a, 6a.
In this way, when connecting the left and right panels 1 and 2,
Front and rear skin materials 5, 6 of both panels 1, 2 are electrically connected via a conductive gasket 15.

Connecting devices for connecting the two adjacent panels 1 and 2 are provided near the upper ends of the front surfaces of the left and right panels 1 and 2, that is, the surfaces facing outdoors, and at positions close to each other. The coupling device includes a lever fitting 20 screwed to the block 8 of the right panel 2, a hook 21 screwed to the block 7 of the left panel 1, and the lever fitting 20.
The lever 22 is pivoted horizontally by a shaft 23, and the lever 22 is pivoted horizontally by a shaft 25 between the pivotally connected portion of the lever 22 to the lever fitting 20 and the tip. It consists of an engaging member 24 which is pivotally mounted so as to be swingable and engages with the hook 21.

A pair of upper and lower brackets 26 projecting forward are integrally provided at the left end of the lever mount 20. The lever 22 is approximately U-shaped, and its open end portion is pivotally connected to a portion of the bracket 26 near the tip by a shaft 23. Therefore,
The shaft 23 is located a predetermined distance ahead of the front surface of the panel 2. A female threaded hole 28 is formed in a shaft 25 that pivotally connects the engaging member 24 to the lever 22, passing through the shaft in the diametrical direction. The engagement member 24 includes a threaded rod 29 and a triangular engagement ring 30 that is pivotally connected to the tip of the threaded rod 29 by a vertical shaft 31 so as to be able to swing in the horizontal direction, and that can be engaged with the hook 21. Become. A threaded rod 29 is screwed into the female threaded hole 28. Therefore, the distance between the tip of the engagement ring 30 and the center of rotation of the engagement member 24 relative to the lever 22 is adjustable. Further, the pivot shaft 25 of the engagement member 24 to the lever 22
rotates around the center of rotation of the lever 22 as the lever 22 rotates, and
When the lever 2 reaches the swinging end to the right, it is on the right side of the pivot shaft 23 of the lever 22 to the lever mount 20 and behind this shaft 23.

In such a configuration, left and right panels 1 and 2
When connecting, first, bring the lever 22 to the position shown in FIG. 2, and hook the engaging ring 30 onto the hook 21. At this time, the pivot shaft 25 of the engagement member 24 to the lever 22 is located to the left of the pivot shaft 23 of the lever 22 to the lever fixture 20. Next, move the lever 22 in the direction of arrow A in FIG.
Turn it in the direction shown. Then, the pivoting portion 25 of the engaging member 24 also rotates around the vertical axis 23 and moves to the right of the vertical axis 23, and both panels 1 and 2 are drawn together and the space between the panels 1 and 2 is There will be no time left. When the lever 22 is turned to the right swing end, the pivot shaft 25 of the engagement member 24 to the lever 22 is connected to the pivot shaft 2.
3 to the right and rearward, and in this state the lever 22 is fixed. In this way, both panels 1 and 2
are connected with the gap between both panels 1 and 2 removed. Thereafter, the joint portions of both panels 1 and 2 are filled with sealant 32.

In the above embodiments, the engagement member is composed of a threaded rod and an engagement ring pivotally attached to the tip of the rod, but the present invention is not limited to this. Further, in the above embodiment, the coupling device according to the present invention is provided on the surface of the panel facing outdoors, but it may be provided on the surface of the panel facing indoors instead.

Effects of the invention Since the connecting device according to this invention is configured as described above, it is possible to connect adjacent panels while pulling them together by simply hooking the engaging member onto the hook and rotating the lever. can. Therefore, work can be carried out more easily than with conventional devices.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention; Fig. 1 is a perspective view showing the state in which adjacent panels are connected, Fig. 2 is a horizontal sectional view showing the state before the adjoining panels are connected, and Fig. 3 is a perspective view showing the state in which adjacent panels are connected. FIG. 1, 2... Panel, 3, 4... Core material, 5, 6...
...Skin material, 5a, 6a...Edge, 11A, 11B...
...Fitting member, 12B... Concave groove, 14... Yatoizane, 15... Conductive gasket, 17... Convex portion, 2
0...Lever attachment, 21...Hook, 22...
Lever, 23...A pivot shaft of the lever to the lever fixture, 24...Engagement member, 25...A pivot shaft of the engagement member to the lever.

Claims (1)

[Scope of utility model registration request] It is assembled by connecting panels consisting of a core material, a metal skin material covering both sides of the core material, and a fitting member placed on the surface to be connected, and one of the adjacent panels is fitted. The mating member is located on both sides of the convex portion and has edges to which the edges of both skin materials are folded back and latched, and the other mating member is located on both side walls of both skin materials. It has a recessed part where the edge can be folded back and latched, and conductive gaskets made of elastic material are arranged along both sides of the convex part, and when both panels are connected, the conductive gasket is elastically deformed and the skin material is It is a panel connection device at a panel joint part of an electromagnetic shielding room in which the folded edge and the conductive gasket are in close contact with each other, and is the same as a lever fixture fixed to one of two adjacent panels. Between the hook fixed to the other panel, the lever pivotally connected to the lever fixture by a shaft so as to be able to swing freely in the horizontal direction, and the pivot part of the lever to the lever fixture and the tip, The engaging member is pivoted horizontally by a shaft and engages with the hook, and the pivot shaft for connecting the lever to the lever mount is located a predetermined distance ahead of the front surface of the panel. , when the lever reaches the end of its swing toward the panel side where the lever mount is fixed, the pivot shaft of the engagement member to the lever grips the pivot shaft of the lever to the lever mount, and the lever is locked. A panel connection device at a panel joint of a prefabricated electromagnetic shielding room, which is located on the opposite side of the lever and behind the pivot axis of the lever to the lever mount.