JPS6111896Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an electrical outlet, and the fitting plate part 1 is bent in a substantially U-shaped cross section and opens toward the front side.Fixing plate parts 2, 2 for fixing to a mounting surface such as a wall are provided at both ends of the fitting plate part 1, respectively. The coupling plate pieces 5 which extend outward to form the mounting frame 3 and have L-shaped engagement pieces 4, 4 at their tips are directed toward the front side of the fitting plate part 1 on both sides of the fitting plate part 1. Engagement recesses 7, 7 are formed on both sides of the front side of the outlet body 6, and the outlet body 6 is extended.
This relates to an electrical outlet in which the connector is fitted into the fitting plate portion 1 of the mounting frame 3 and the engaging pieces 4, 4 are engaged with the engaging recesses 7, 7, and its purpose is to provide an electrical outlet without the need for a separate independent member. To provide an outlet whose main body can be attached to a mounting frame and which is free from the risk of changing the strength of attachment of the outlet body to the mounting frame even if the fixing plate part is deformed when the outlet is attached to a wall or the like. .

The present invention will be explained in detail below with reference to Examples. Mounting frame 3
is formed from a single plate by punching and bending a sheet metal, and as shown in Fig. 2, there are fixed plate parts 2, 2 at both ends of a fitting plate part 1 which is bent into a substantially U-shaped cross section. It is formed by extending outward. A pair of protruding pieces 8, 8, 8, 8 are formed on each side of the fitting plate part 1, and extend outwardly.
An L-shaped base piece 10 having a positioning hanging piece 9 is bent and extended on three of the four protruding pieces 8, 8, 8, and a ground connecting piece 11 is provided on the other protruding piece 8. It has been extended. Each L-shaped base piece 10 and ground connection piece 1
Each of the connecting plate pieces 5 having an L-shaped engaging piece 4 at its upper end is extended to each of the engaging pieces 1.
are bent in the direction in which the two sides of the fitting plate portion 1 face each other. Reference numeral 12 denotes a fixing base part formed by pressing on the fixing plate part 2, and has a fixing screw hole 13 bored therein. Further, 14 is a reinforcing rib formed on the fitting plate portion 1 by pressing. Furthermore, 15 is a ground connection screw hole.

The outlet main body 6 is formed by housing components such as a terminal plate 18 in a synthetic resin body 16 and a cover 17. The terminal plate 18 is formed by punching out and bending a sheet metal, as shown in FIG. It is formed as follows, and blade receiving springs 19, 19 are provided at both ends. Further, this terminal board 18 is formed in a shape in which a pair of left and right terminal units 20, 20 are integrally connected by a cut-off plate 21, and the boundary between the cut-off plate 21 and each terminal unit 20, 20 is a thin part 22. The thin portion 22 allows the cut-off plate 21 to be bent and cut.
Furthermore, a connection plate portion 23 is provided extending from each terminal unit 20, 20, respectively. 24 is a locking spring, which has an L-shaped retaining piece 25 and an S-shaped contact pressure piece 26 at both ends.
It is formed by providing. A mounting recess 27 is provided in the body 16 and opens toward the front side.
Each terminal plate 1 is placed in each mounting recess 27, 27.
8,18 will be delivered. At this time, there is a retaining piece 2 inside the connection plate part 29 in the mounting recess 27.
A lock spring 24 is mounted so that the lock spring 24 is in contact with the contact pressure piece 26, and a release button 28 is mounted in this mounting recess 27 so as to be movable up and down between the lower part of the retaining piece 25 and the connecting plate part 23. There is. In the figure, reference numeral 29 denotes a ground terminal, which is composed of a blade holder spring holding piece 30 and a connecting plate piece 31, and is provided in a bottomless ground blade holder spring mounting recess 32 and a connecting plate piece mounting recess 33 of the body 16, respectively. It is attached to the body 16 by inserting the spring holding piece 30 and the connecting plate piece 31. A lock spring 34 and a release button 35 are installed in the connection plate mounting recess 33 in the same manner as the lock spring 24 and the release button 28. Further, reference numerals 36 and 37 are earth blade receiving springs, and the earth blade receiving spring 36 is inserted into the earth blade receiving spring mounting recess 32, and the blade receiving spring holding piece 30 of the ground terminal 29 and the body 16 are attached to the mounting frame 3. The pin 39, which is held between the bottom surface of the fitting plate part 1 when installed and has passed through the holes 38, 38 of the blade holder spring holding piece 30 and the ground blade holder spring 36, is inserted into the hole of the fitting plate part 1 of the mounting frame 3. It is fixed by screwing it in at 40. The pin 43 inserted into the earth blade receiving spring mounting recess of the earth blade receiving spring 41 of No. 37 and passing through the hole 42 is fixed by fitting into the hole 44 of the fitting plate portion 1 of the mounting frame 3. The cover 17 has a grounding blade insertion opening 45 formed at a position corresponding to each blade receiving spring 19, 19, and a grounding blade insertion opening 46 formed at a position corresponding to each grounding blade receiving spring 36, 37. Storage recesses 47 that open laterally are provided on both sides. When the cover 17 is placed over the body 16, the cut-off plate 21 of the terminal plate 18 is housed in the storage recess 47. Reference numeral 48 denotes a cover plate, and a shaft 49 is protruded from both sides of the cover plate.By inserting the shaft 49 into bearing holes 50 formed on both inner surfaces of the storage recess 47, the cover plate 48 can be opened and closed in the storage recess 47. It can be installed freely. Further, a pair of engagement recesses 7 having hook bridge portions 51 are formed on both sides of the cover 17.

When attaching the body 16 and cover 17 to the attachment frame 3, the body 16 is first fitted into the fitting plate portion 1 of the attachment frame 3. At this time, both end surfaces of the body 16 in the longitudinal direction are the rising pieces 52 of the fitting plate portion 1,
52 and is positioned in contact with the inner surface of the body 16, and both sides of the body 16 are connected to both sides of the hanging piece 9 and the ground connection piece 11.
is positioned in contact with the side end surface of. Next, the cover 17 is placed over the body 16, and the connecting plate pieces 5, 5, which have been tilted are made vertical, and the engaging piece 4 is placed on the cover 1.
7 into the engaging recess 7, and the engaging piece 4
Bend the tip and wrap it around the hook bridge part 51 to lock it. In this way, the outlet main body 6 consisting of the body 16 and the cover 17 is fixed within the fitting plate portion 1 of the mounting frame 3.

The outlet formed as described above has terminal board 1
8 is entirely covered with the body 16 and cover 17, insulation is ensured by the body 6 and cover 17, and it can be installed while stored in the outlet box, and can be installed on a mounting surface such as a wall. This is done by screwing a mounting screw through the fixing screw hole 13 of the fixing plate part 2.

When connecting the power wire to the terminal board 18 of the outlet, insert the power wire into the body 16 from the back side of the body 16 and connect it between the connection plate part 23 of the terminal board 18 and the lock spring 24. This is done by inserting a power line. At this time, even if a force is applied to pull out the power line, the tip of the retaining piece 25 bites into the power line, preventing the power line from coming off. In addition, when disconnecting the power line, press the release button 28 on the body 16.
This is done by pushing the release button 28 toward the front side of the button to deform the retaining piece 25, thereby releasing the retaining piece 25 from biting into the power supply line. The ground wire is connected to the ground blade receiving spring through the mounting frame 3 by connecting the ground wire to a terminal bolt 54 screwed into the ground connection screw hole 15 of the ground connection piece 11 of the mounting frame 3. If the terminal bolt 54 is not used, the dashed line c in FIG. The ground blade receiving spring can be connected to the ground wire via the ground terminal 29, and the ground blade receiving spring 37 can be connected to the ground wire via the mounting frame 3 and the ground terminal 29, respectively.

The cut-off plate 21 connects the left and right terminal units 20,
20 is integrated with the terminal board 18, as shown in FIG.
The load appliance is always powered on and is equipped with a switch that plugs into the outlet. On the other hand, there are cases in which a load electrical appliance that does not have a switch is used by connecting it to an outlet, and in such applications, a switch 56 is provided on the power supply side as shown in Figure 3 (b). At 56, power is supplied to each pair of blade receiving springs 19, but at this time, each terminal 18,
18 must be electrically separated into left and right sides along line X-X in FIG. In this case, by opening the cover plate 48 to expose the cut-off plate 21 at the opening of the storage recess 47, and breaking off the cut-off plate 21 at the thin part 22, the left and right terminal units 20, 2 are removed.
0 and the blade receiving springs 1 at both ends of the terminal plate 18.
9 and 19 are electrically separated.

As mentioned above, in the present invention, fixing plate parts for fixing to a mounting surface such as a wall are extended outward from both ends of a fitting plate part bent into a substantially U-shaped cross section to form a mounting frame, and a mounting frame is formed at the tip. A coupling plate piece having an L-shaped engagement piece is provided to extend on both sides of the fitting plate part, an engagement recess is formed on both sides of the front side of the outlet body, and the outlet body is fitted into the fitting plate part of the mounting frame. Since the engaging piece is engaged with the engaging concave portion, the outlet body can be fixed to a mounting frame for attaching the outlet to a mounting surface such as a wall with the engaging piece extending integrally from the mounting frame. It is possible to reduce the number of parts by eliminating the need for any other special independent members when installing the outlet body to the mounting frame, and in addition, there is no engagement piece for fixing the outlet body. Since the is provided extending from the fitting plate part, it is independent from the fixing plate part, and even if the fixing plate part is deformed when the mounting frame is attached to the mounting surface, this deformation will not be caused by the engagement. There is no risk of damage to the outlet, and the fixing strength of the outlet body can be maintained at a constant level.

[Brief explanation of the drawing]

Figure 1 is an exploded perspective view of one embodiment of the present invention, Figures 2a, b, and c are front, top, and side views of the mounting frame used for the same, and Figure 3 shows the connection of a power source to an outlet. It is a schematic diagram. 1 is a fitting plate part, 2 is a fixed plate part, 3 is a mounting frame, 4
is an engagement piece, 5 is a coupling plate piece, 6 is an outlet body,
7 is an engagement recess.

Claims (1)

[Scope of utility model registration request] A fixing plate part for fixing to a mounting surface such as a wall is extended outward from both ends of the fitting plate part bent into a substantially U-shaped cross section opening to the front side to form a mounting frame, and an L-shaped end is formed. Connecting plate pieces having engaging pieces are provided on both sides of the fitting plate part and extend toward the front side of the fitting plate part, and engaging recesses are formed on both sides of the front side of the outlet main body, and the outlet main body is attached. An electrical outlet that is fitted into a fitting plate part of a frame and has an engaging piece engaged with an engaging recess.