JPH0227582Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field: This invention relates to a panel mounting device for small control devices such as push button switches and illuminated push button switches.

Prior Art: FIG. 1 shows a conventional example of this invention. As a one-way method for attaching the control device body 1 to the panel 2, a pair of screws 4, 4 are attached to a metal mount base 3 attached to the device body 1, and the tips 4A, 4A of each screw are brought into contact with the pressing plate 5. , a method is adopted in which the press plate 5 is brought into pressure contact with the back surface of the panel 2 by tightening the screws 4, 4 from the back side of the panel, thereby fixing the main body 1 of the device to the panel 2.

Conventionally, when screws were tightened using the above-mentioned method, slipping occurred on the abutting surfaces of the press plate 5 and the panel 2, which caused the device body 1 to rotate and cause a deviation in the mounting angle to the panel. There was a problem.

Purpose of the invention: This invention was devised in view of the above points, and its purpose is to prevent the device main body from rotating on the panel surface when tightening screws in the above-mentioned mounting device.

Structure of the device: Figures 2 and 3 show an embodiment of this device, which is characterized by forming a protrusion 6A on the panel abutting surface of the press plate 6 to prevent rotation. It is something. Specifically, as shown in FIG.
A protrusion 6A is provided protrudingly provided on the opposite side to the side to which the protrusion 4A is abutted. One or more protrusions 6A are formed on the corresponding portions 60, 60 of the screw tips 4A, 4A that sandwich the mounting holes 6B to the main body, where the pressing force is applied relatively strongly when tightening the screws 4, 4. Form individuals. Therefore, in this type of screw, the protrusion 6A bites into the back surface of the panel 2 when the screws are tightened, thereby preventing slippage on the contact surface between the press plate 6 and the panel.

Embodiment: FIG. 4 shows another embodiment of this invention, in which anti-rotation protrusions 7A are formed at appropriate intervals over the entire circumference of the panel contacting surface of the press plate 7.

Effects of the invention: Since this invention is constructed as described above, it is possible to prevent the device body from rotating on the panel surface when tightening screws, and there is no need to adjust the mounting angle deviation after the main body is attached. It is.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional front view showing a conventional example of a panel mounting device, Figs. 2 and 3 show a first embodiment of this invention, Fig. 2 is a longitudinal sectional front view of the main part, and Fig. 3 The figures show a pressing plate according to this invention, in which Figure A is a plan view, Figure B is a longitudinal front view, Figure C is an enlarged view of the main parts, and Figure 4 is a pressing plate according to a second embodiment of this invention. It is a top view of a board. 1...Control equipment body, 2...Panel, 3...Mount base, 4...Screw, 4A...Screw tip,
5, 6, 7...Press plate, 6A, 7A...Protrusion for preventing rotation.

Claims (1)

[Scope of utility model registration request] In a mounting device, the tip of a screw attached to a mount base is brought into contact with a pressing plate, and the screw is tightened from the rear side of the panel, thereby pressing the pressing plate against the panel and fixing the device body to the panel. A panel mounting device characterized in that a projection for preventing rotation is formed on the panel contacting surface side of the pressing plate.