JPH041565B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an appliance mounting frame for attaching an attached appliance such as an outlet or a switch.

Conventionally, this type of instrument mounting frame is shown in Figures 1 and 2.
As shown in the figure, the frame body A made of a synthetic resin molded product has wide frame sides 1a and 1b at both ends, and frame sides 2a and 2a perpendicular to the frame sides 1a and 1b at both ends.
2b, etc., and has a protrusion hole 5 in the center for fitting a boss part 4 protruding from the upper surface of the attached appliance 3 such as an outlet shown in FIG. 3 from below. It has been drilled. This protrusion hole 5
For example, the opening area is such that the boss portions 4 of three attached devices 3 can be projected and fitted in parallel. A pair of box screw mounting holes 6 and a pair of plate mounting screw holes 7 are respectively provided on both end frame sides 1a and 1b. In the case of both side frame sides 2a and 2b, hanging pieces 8 are provided protruding along the longitudinal direction of the outer surface of one side frame side 2a, and adjacent to each other in the longitudinal direction of the outer surface of the other side frame side 2b. Three sets of U-shaped hanging pieces 9 having upper openings sharing the same leg side are protrudingly provided. However, both side frame sides 2
A recess surrounded by the lower surfaces of a and 2b and the inner surfaces of the hanging pieces 8 and 9 constitutes a fitting recess 10 into which both sides of the attached device 3 are fitted, and this fitting recess 10 is connected to both side frame sides 2.
It is divided into three parts in the direction of both ends by ribs 11a and 11b protruding from the lower surfaces of the parts a and 2b. In each section, two notch holes 12 are passed through the hanging piece 8, respectively. On the other hand, each hanging piece 9 has a bending piece 13 integrally projecting from the upper center of the center side, and this bending piece 1
3 is inclined inwardly upward from the base end, and has a tapered portion 14 on its inner surface, and the outer surface of the bending piece 13 is located on the inner side than the outer surface of the hanging piece 8. Furthermore, both shoulders 15 of each flexible piece 13 are positioned below the lower surface position of the side frame side 2b so that the protrusion 17a or 17b of the assembly frame 16a or 16b provided on the upper surface of the side of the attached instrument 3 can be placed thereon. are doing. An operating piece 18 for bending the bending piece 13 outward is integrally protruded from the upper center of the bending piece 13. The upper surface of this operating piece 18 is substantially flush with the upper surface of the side frame side 2b. In the figure, 19a and 19b are protrusions protruding from the lower surfaces of both side frame sides 2a and 2b in the three sections mentioned above.
These protrusions 19a and 19b form an assembly frame 1 provided on both sides of the attached device 3 to be fitted into the fitting recess 10.
6a, 16b to prevent the attached device 3 from wobbling in the vertical direction (Z direction). In addition, 25a and 25b are the frame sides 2 on both sides.
A protrusion that protrudes inward from a and 2b, and this protrusion 2
5a, 25b are assembly frames 16a, 1 of the attached fixture 3;
This is to engage with the projecting pieces 26a, 26b of 6b to prevent the attached instrument 3 from shifting in the vertical direction (Y direction). Therefore, when attaching the attached instrument 3 to the above-mentioned instrument mounting frame, first, as shown in FIG. The hanging piece 8 is inserted into the cutout hole 12 of the provided hanging piece 8 from the fitting recess 10 side, and the boss portion 4 of the attached device 3 is fitted into the protrusion hole 5 so as to protrude from the bottom to the top. At the same time, the fifth
As shown in the figure, the assembly frame 1 on the other side of the attached fixture 3
The protrusion 17b of the flexible piece 13 is brought into contact with the inner surface of the flexible piece 13, and then pushed upward along the tapered part 14. Here, the bending piece 13 is pushed outward by the tip of the projection 17b, and the lower surface of the bending projection 17b becomes the bending piece 13.
At the same time, the flexible piece 13 returns to its original state due to its springiness. Thus, as shown in FIG. 6, both sides of the attached device 3 are fitted into the fitting recesses 10, and one assembly frame 16a is engaged and fixed by the cutout hole 12 of the hanging piece 8 and the lower surface of the side frame piece 2b. , the other assembly frame 16b is engaged and fixed by the shoulder portion 15 of the flexible piece 13 and the lower surface of the side frame piece 2b, so that it is fixed in the lateral direction (X direction) and the vertical direction (Z direction) of the attached instrument 3. This will prevent wobbling. At this time, as shown in FIGS. 7a and 7b, the minute protrusions 19a and 19b come into compressive elastic contact with the upper surfaces of the assembly frames 16a and 16b of the attached instrument 3, respectively.
This is designed to more reliably prevent rattling of the attached fixture 3 in the vertical direction (Z direction). At the same time, as shown in FIG. 8, ribs 11a and 11b protruding from the lower surfaces of both side frame sides 2a and 2b engage with the vertical (Y-direction) side surfaces of the attached device 3, and The protrusions 25a and 25b protrude from the protrusions 26a and 25b of the assembly frames 16a and 16b of the attached instrument 3, respectively.
26b to prevent rattling of the attached device 3 in the vertical direction (Y direction).

Next, when removing the attached device 3 attached to the frame main body A as described above, as shown in FIG. Open outward to bend the bending piece 13 using the base end as a fulcrum, and attach the shoulder part 15 to the assembly frame 16b.
from the tip of the protrusion 17b, and in this state, push the attached device 3 downward as shown by the arrows ◯ and ② to remove it. In addition, when installing the plate 20, the plate 20 is placed on the upper surface of the frame body A, and the mounting screws 21 inserted from the surface of the plate 20 are screwed into the plate mounting screw holes 7, or An engaging protrusion 22 is provided on the back surface of the plate 20 to protrude as shown in FIG.
It may also be fitted into fitting recesses 24 provided on both sides of. The plates shown in FIGS. 10a and 10b are for the case where only one fixture 3 is attached, and there is a boss part 4 in the center.
A fitting hole 23 is bored into which the upper surface of the fitting hole 23 is fitted. In this case, the fixture 3 to be mounted is mounted in the center of the frame body A.

By the way, in the conventional example as described above, the ribs 11a, 11b and the protrusion 25a, which are used to prevent the attached device 3 from wobbling in the vertical direction (Y direction),
25b is provided in a protruding manner in accordance with the outer shape of the attached instrument 3, and there is an inconvenience in that the attached instrument 3 having a different outer shape cannot be attached. For example, it is not possible to freely replace single-piece modules, two-piece modules, three-piece modules, etc., which have different dimensions in the vertical direction (Y direction), and the shapes of the devices that can be attached are limited to ribs 11a, 11b and protrusions. Part 25a,
There was the disadvantage that it was restricted by 25b. The present invention aims to solve the above-mentioned disadvantages.

Examples will be described below using figures. 11 to 15 show an embodiment of the present invention, in which the ribs 11a, 11b and protrusions 25a, 25b of the above-mentioned conventional example are eliminated, and the attached device 3
A pair of projections 17a, 1 of the assembly frames 16a, 16b of
Approximately the same width as the interval t between 7a, 17b, and 17b
In this embodiment, the locking projections 30 and 31 are provided between the notch holes 12 and 12, which are recesses in which the projections 17a and 17a are engaged. , and the protrusion 1 of the flexible piece 13
The operating piece 18 formed between the recesses to which the 7b and 17b are engaged also serves as a locking protrusion 31.

Therefore, in the embodiment, a pair of protrusions 17a, 17a, 17 bored on both sides of the attached device 3
By fitting the locking protrusions 30 and 31 between b and 17b, respectively, the attached device 3 is prevented from wobbling in the vertical direction (Y direction).
As in the conventional example, the vertical direction (Y direction) of the attached device 3
Since there are no ribs 11a, 11b or protrusions 25a, 25b that regulate the dimensions of the
For example, a module M ₁ for one module or a module M ₃ for three modules as shown in FIG. 16 can be installed. In addition, as in the conventional example, the corners of the attached instrument 3 are connected to the ribs 11a, 11b and the protrusion 2.
Since there is no need to cut out corresponding parts 5a and 25b, the module can be made larger and the shape can be simplified.

FIG. 17 shows another embodiment, in which the side frame side 2
Recesses 32a and 32b are provided on the lower surfaces of a and 2b, and as shown in FIG.
Even when using a device having middle raised portions 33a, 33b located above the pair of protrusions 17b, 17b, the middle raised portions 33a, 33b can be fitted into the recesses 32a, 32b for installation. It's becoming like that. 34a and 34b are hook parts 35
This is a recess corresponding to a and 35b. Note that the recess 3
4a and 34b may be notches. Further, there are partially recessed portions 32a, 32 on the lower surfaces of the side frame sides 2a, 2b.
b, 34a, and 34b, and the other parts are the same as the conventional example in FIG. 1 and the embodiment in FIG. It can be installed without any problems. Furthermore, since the supporting portion of the hanging piece 9 is thin, the flexible piece 13 is easily bent, making it easier to operate.

As described above, the present invention has a protruding hole in the center into which the boss protruding from the upper surface of the device to be attached is fitted from below, and mounting means are provided on both end frame sides, and a protrusion hole is provided in the center to fit the boss part protruding from the upper surface of the attached device, and mounting means are provided on both end frame sides. An instrument mounting means is provided on both sides of the frame to lock the locked parts provided on both sides of the attached device from both sides, and the locked parts are formed by a pair of protrusions protruding from both sides of the attached device. At the same time, recesses into which the pair of projections are engaged are formed in the hanging pieces hanging down from the outer surfaces of both side frames to constitute the instrument mounting means, and the hanging pieces of one of the instrument mounting means are arranged adjacent to each other. It has a U-shape with an opening on the upper surface that shares a leg piece with which the U-shaped hanging piece is attached. A protruding operating piece that bends the piece outward is provided,
In the instrument mounting frame in which a recess is formed between both shoulders of the flexible piece and the lower surface of the side frame, the interval between the pair of protrusions between the recesses of the instrument mounting means to which the pair of protrusions is engaged. By providing a locking protrusion having the same width as the pair of protrusions and fitting the locking protrusion between the pair of protrusions, the attached device is prevented from moving in a direction perpendicular to both end frame sides, and one of the locking protrusions is The protrusion is used as an operating piece, and the locking protrusion is fitted between the pair of protrusions to prevent the attached device from moving in a direction perpendicular to both end frame sides, There is no need to provide ribs or protrusions that match the external shape of the attached device to prevent it from wobbling in the vertical direction (Y direction) as in the conventional example, and it is possible to attach any attached device with a different external shape. It has the advantage that it can be attached to a frame with a versatile instrument.

[Brief explanation of drawings]

Figure 1 is a perspective view of the conventional example, and Figure 2 is the P of Figure 1.
-P sectional view, Figure 3 is a perspective view of the attached instrument used in the above, Figures 4 to 9 are explanatory diagrams of the operation of the same, Figures 10a and b are perspective views of the plate used in the above,
FIG. 11 is a top view of one embodiment of the present invention, FIGS. 12 and 13 are side views of the same, FIG. 14 and 15 are perspective views of the main parts of the same, and FIG. 16 is an attached instrument of the same. FIG. 17 is a bottom view of another embodiment, and FIG. 18 is a perspective view of a device to be attached to the same. 1a, 1b are frame sides at both ends, 2a, 2b are frame sides at both sides, 3 is an attached device, 4 is a boss portion, 17a, 17
b is a protrusion, and 30 and 31 are locking projections.

Claims (1)

[Claims] 1 A protrusion hole is drilled in the center into which a boss protruding from the upper surface of the device to be attached is fitted from below, mounting means are provided on both end frame sides, and the device to be attached is provided on both frame sides perpendicular to both end frame sides. A device attachment means is provided for locking the locked portion provided on both sides of the device from both sides, and the locked portion is formed by a pair of protrusions protruding from both sides of the device to be attached, and the pair of projections The instrument mounting means is formed by forming recesses to be engaged in the hanging pieces hanging down on the outer surfaces of both frame sides, and the hanging pieces of one instrument mounting means are connected to the upper surface sharing the adjacent leg pieces. The opening is made into a U-shape, and the bending piece is protruded from the center side of the U-shaped hanging piece toward the opening and has a tapered portion formed on the inner surface.The bending piece is bent outward at the center of the tip. In an instrument mounting frame having a protruding piece and a recess formed between both shoulders of the flexible piece and the lower surface of the side frame, a pair of protrusions are engaged between the recesses of the instrument mounting means. A locking protrusion having the same width as the distance between the pair of protrusions is provided on the holder, and by fitting the locking protrusion between the pair of protrusions, the attached device is prevented from moving in a direction perpendicular to the sides of the frame at both ends. An instrument mounting frame characterized in that one of the locking protrusions is used as an operating piece.