JPH0314745Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Technical field The present invention relates to a mounting structure for a panel switch such as a push button switch or a select switch, or an indicator light. The present invention relates to a mounting structure for a panel switch or indicator light, which can enlarge the operating surface of the panel switch or the display surface of the indicator light to improve operability or visibility of the display when mounted.

(B) Prior art A conventional mounting structure for a panel switch or indicator light, etc. has an integrated structure of a connection block for connecting a contact block or transformer and a frame for supporting the panel switch or indicator light, etc. The frame, which is integrated with the connection stand, is attached to the panel using tightening nuts. To explain in more detail,
The connection stand integrated into the frame is usually larger than the panel hole formed on the panel, so the end of the frame that is integrated with the connection stand should be inserted into the panel hole on the panel. Insert it from the back side, then attach and secure the tightening nut to the tip of the frame that protrudes from the front side of the panel, and now the frame can be attached to the panel together with the connection base.

However, the conventional mounting structure described above has a disadvantage in that the size of the panel switch or indicator light on the front side of the panel is limited by the size of the frame and, by extension, the size of the panel hole. In other words, the panel switch or indicator light mounted on the frame is required to be smaller than the panel hole size due to the method of mounting the frame to the panel. The latter is small and has extremely poor operability, while the latter has a small display surface that is difficult to see, and other drawbacks have been pointed out.

(c) Purpose of the present invention The present invention was devised in view of the above circumstances, and is a mounting structure for panel switches and indicator lights in which the size of the panel switch or indicator light on the front side of the panel is not restricted by the size of the panel hole. The purpose is to provide the body.

Furthermore, since the present invention has a structure in which the connection stand and the frame are separate, the object of the present invention is to provide a panel switch and indicator light mounting structure that makes it as easy as possible to attach the frame to the connection stand. There is.

(d) Embodiment FIG. 1 shows the main parts of an embodiment of the mounting structure for a panel switch, with a portion cut away to show the internal structure. To explain the drawings, the panel switch mounting structure is characterized in that the connection base 10 for connecting the contact block 40 and the frame 30 for supporting the panel switch are constructed separately. 20 is a tightening nut for attaching the frame 30 to a panel.

First, to explain the configuration of each component, the connection stand 10 consists of a contact block 40 and a frame 30.
intervening between them to connect them. Connection stand 10
is composed of a frame body 10A and a lock ring 13.

The frame 10A is formed into a substantially rectangular dish shape as a whole, and a short cylindrical portion 12 through which the frame 30 is inserted is formed integrally with the frame 10A on its inner peripheral surface. . Four protrusions 122 (three not shown) are formed at equal intervals on the inner peripheral surface of the short cylindrical portion 12, and protrusions 14 are provided on the bottom surface of the frame 10A. It is being This protrusion 14 is connected to the lock ring 1.
The lower arm 133 of No. 3 is locked to the lower arm 133 so that it does not come off.

The lock ring 13 includes an annular body 131, and an upper arm 132 and a lower arm 133 integrally formed with the annular body 131. Further, the inner peripheral surface of the annular body 131 is connected to the short cylindrical portion 12 of the frame body 10A.
The lock ring 13 is fitted onto the outer peripheral surface of the lock ring 13 so that it can rotate. In addition, lock ring 13
The same number of protrusions 134 (however, three not shown) are formed on the inner circumferential surface of the short cylindrical portion 12, corresponding to the positions of the protrusions 122 formed on the inner circumferential surface 121 of the short cylindrical portion 12. .

A guide hole 11 is provided on the upper surface of the frame 10A, and the upper arm 132 of the lock ring 13 is inserted into this guide hole 11. 16 is provided in a recess 151 formed on the side surface of the frame 10A, and is an opening 42 formed in the bulging wall 41 of the contact block 40.
This claw 16 is used to connect the contact block 40 to the frame 10A.

Reference numeral 30 denotes a frame that supports, for example, a panel switch, and this frame 30 has a male thread formed on its outer peripheral surface to be screwed into the tightening nut 20, and a flange 31 at one end thereof, and a flange 31 on its inner peripheral surface. are each formed with a ring 32,
Further, when the frame 30 is inserted into the short cylindrical portion 12, it fits into the protrusions 122 and 134 provided on the inner circumferential surface 121 of the short cylindrical portion 12 and the inner circumferential surface of the annular body 131 constituting the lock ring 13, respectively. Four T-shaped grooves 33, 33, .

Specifically, the T-shaped grooves 33, 33, . A groove 332 is included.

Next, a method for attaching the panel switch mounting structure will be described. First, the operation button receiver 51 to which the operation button 52 is attached is supported on the frame 30, and the ring 54 is fitted to the flange 31. After the frame 30 is inserted into the hole formed in the panel 55, the tightening nut 20 is attached to fix the frame to the panel.

On the other hand, a lock ring 13 is attached to the connection base 10 so as to be rotatable in the left and right directions. To explain the installation method in more detail, the lock ring 13 is installed from the rear opening direction of the connection base to which the contact block 40 is connected. That is, the upper arm 132 of the lock ring 13 is inserted into the guide hole 11 of the connection base 10 from below. lock ring 1
Insert the lower arm 133 of No. 3 along the tapered portion of the projection until it passes over the projection 14 formed on the bottom surface of the connection base 10.

In this way, the tip of the lower arm 133 of the lock ring 30 is engaged with the protrusion 14 provided downward on the front inner wall, and the upper arm 133 is inserted into the guide hole 11.
2 so that it can rotate left and right.

Then, the four protrusions 134 provided on the inner peripheral surface of the annular body 131 of the lock ring 13 are attached to the upper arm 1.
32, the inner peripheral surface 1 of the short cylindrical portion 12
The connection stand 10 is inserted into the tip of the frame 30 protruding from the back surface of the panel 55 while being aligned with the four protrusions 122 provided on the panel 21 . In this way, the projecting piece 12 of the inner wall 121
2 and the projecting piece 134 of the annular body 131 are connected to the frame 3
It fits into the fitting groove 331 of the T-shaped groove 33 of No. 0. After that, when the upper arm 132 of the lock ring 13 is rotated, the protrusion 134 provided on the inner circumferential surface of the annular body 131 engages the fitting groove 3 of the T-shaped groove 33 of the frame 30.
32, so it prevents the frame from coming off.
The connection stand 10 and the frame 30 are connected.

FIG. 3 is a diagram for explaining the operation of the lock ring rotatably attached to the connection stand,
Figure a shows a rear view of the connection base with the lock ring attached as seen from the direction of connecting the contact blocks, and figure b shows a front view of the connection base with the lock ring attached as seen from the frame connection direction. In the figure, the locking ring 13 indicated by a solid line is connected to the connection base 10.
The position of the lock ring 13' shown in chain lines is shown when it is inserted into the tip of the frame 30, while the lock ring 13' shown in chain lines is inserted into the inner peripheral surface of the annular body 131 of the lock ring 13' after the connecting base 10 is inserted into the tip of the frame. The position is shown in which the protrusion 134' provided is in the rotational position of the lock ring which engages with the fitting groove 332 of the T-shaped groove 33 of the frame 30. Reference numeral 18 denotes two grooves provided in the inner wall of the guide hole 11 of the connecting base 10 that abuts the upper arm 132 of the lock ring, depending on the rotation angle of the lock ring, and two ribs that engage with the grooves. (not shown) is provided on the abutment surface of the upper arm. Therefore, the rotational position of the lock ring 13 in the left and right direction can be determined, and the connecting base and the frame can be easily connected.

In the above embodiment, the mounting structure for a panel switch has been described, but it goes without saying that the same can be applied to an indicator light.

(e) Effects of the present invention As explained above, in the case of the panel switch and indicator light mounting structure of the present invention, the frame that supports the panel switch or indicator light and the connection stand are separate bodies, and The frame can be attached to the panel from the front side of the panel, and the connection stand can be connected to the frame attached to the panel from the back side of the panel, so the size of the panel switch or indicator light on the front side of the panel can be reduced. This has the advantage that it is not restricted by the size of the panel hole. Therefore, a large-diameter panel switch or indicator light can be mounted on the panel.As a result, the panel switch has a larger operating surface, which improves operability, while the indicator light has a larger display surface. There are various advantages such as being larger and improving the visibility of the display. Furthermore, there is an advantage in that the connecting stand and the frame can be easily attached and detached from each other due to the structure.

The panel switch and indicator light mounting structure according to the present invention is very convenient to use because the frame can be easily attached to or detached from the connection base by rotating the lock ring.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of essential parts showing an embodiment of the panel switch mounting structure according to the present invention, and FIG.
FIG. 3 is a longitudinal cross-sectional view of the mounting structure shown in the figure, and FIG. 3 shows the operating state of the locking ring attached to the connection base. FIG. 10...Connection stand, 20...Tightening nut, 30...
... Frame, 12 ... Short cylindrical part, 13 ... Lock ring, 121 ... Inner peripheral surface, 122, 134 ...
Protruding piece, 33...T-shaped groove, 331, 332...guide groove.

Claims (1)

[Claims for Utility Model Registration] A connection base connected to a contact block, a frame formed separately from the connection base and supporting a panel switch or indicator light, and a fastener for attaching the frame to the panel. a nut, and the connecting stand is composed of a frame body and a lock ring, and the frame body is formed in a substantially rectangular dish shape, and is integrally formed inside the frame body. a short cylindrical portion through which the frame is inserted through the inner circumferential surface; a plurality of protrusions formed along the inner circumferential surface of the short cylindrical portion;
a protrusion formed on the bottom surface of the lock ring that locks onto the lower arm of the lock ring to prevent the lower arm from coming off; At the same time, the inner peripheral surface of the annular body fits into the outer peripheral surface of the short cylindrical portion of the frame body so as to be rotatable, and the inner peripheral surface of the lock ring has a ring formed on the inner peripheral surface of the short cylindrical portion. The same number of protrusions are formed corresponding to the positions of the protrusions, and the frame has a flange formed at one end, and a compression coil spring fitted to the outer periphery of a cylindrical operation button holder inserted into the frame. A ring is formed on the inner peripheral surface to lock the frame, and a male screw and a ring are provided on the outer peripheral surface and screwed into the tightening nut. T-grooves are formed laterally to fit into protrusions provided on the inner circumferential surface of the short cylindrical portion and on the inner circumferential surface of the annular body constituting the lock ring. The lock ring has a fitting groove that fits into the protrusion provided on the inner peripheral surface of the annular body by rotating the upper arm of the lock ring. Mounting structure for panel switches and indicator lights.