JPS6247980A - Receptacle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an electrical outlet, and more particularly, a body provided with a blade receiving spring to which the blade of a plug is coupled, and a mounting hole formed in a mounting panel. This invention relates to an electrical outlet which is connected to a mounting cover by means of an engaging means.

[Background technology] -41, 2nd type of outlet) 2fi) A body equipped with a blade holder spring to which the blade of the plug is electrically coupled, and body 1 are attached to a mounting panel. In order to do this, a mounting cover 2 coupled to the body 1 is formed separately, so that the mounting cover 2 can be mounted from the front of the body 1. However, as shown in FIG. 6, when mounting on the mounting panel 3, the terminal piece 4 and the circuit board 5, which are electrically connected to the blade receiving spring and protrude from the body 1, are attached to the mounting panel 3.
The body 1 can be fixed to the mounting panel 3 by connecting them in advance and coupling the body 1 to the mounting cover 2 mounted on the mounting panel 3.

By the way, in the conventional electrical outlet, as shown in FIG.
Since it protrudes from the rear surface, when installing an outlet on the rear panel of the case of audio equipment, video equipment, etc., it is necessary to remove the plug from the transformer installed on the circuit board 5 or the shield case. The terminal piece 4 may come close to the component 6, and in this case there is a problem that the insulation distance becomes small. For this reason, the terminal piece 4
However, there are problems in that other parts are required and the number of assembly steps increases, making the work cumbersome. Further, it is necessary to connect the terminal piece 4 and the circuit board 5 via the lead wire 8, and soldering the lead wire 8 is troublesome.

Similar drawbacks occur even when the circuit board 5a is directly attached to the terminal piece 4 as shown in Figure f57. In this case, the connecting portion between the terminal piece 4 and the circuit board 5a is covered with an insulating tape instead of the insulating tube. Such a configuration is the eighth
It is formed through the steps shown in the figure. That is, a sewing machine #i7 is provided in advance around the portion 5a of the circuit board 5 where the hook is attached, and the outlet is mounted on the circuit board 5 along with other components and dip soldering is performed. Here, dip soldering is performed in a state where the portion 5a to which the outlet is attached and the other portions of the circuit board @5 are connected by lead wires 8. Next, Figure 8 (
As shown in b), the circuit board 5a is separated from other parts along the perforation line 7, and as shown in FIG. Body 1 is connected to . Although this method has the advantage that the outlet and other components can be soldered together at the same time using dip soldering, it requires cutting out the circuit board 5a, which makes assembly work troublesome, and lead #! Since 8 is required, there is a problem that the number of components increases.

[Objective of the Invention 1 The present invention has been made in view of the above-mentioned points, and its main purpose is to prevent the circuit board from being damaged when the plug blade is introduced from the direction along the surface of the circuit board. By making it possible to attach it directly to the circuit board, the purpose is to provide an outlet that does not require insulation treatments such as insulating tubes or insulating tape. To provide an outlet that allows soldering and eliminates the need to cut a circuit board.

[Disclosure of the Invention J (Example) As shown in FIGS. 1 to 3, a pair of blade receiving springs 11 are housed in a box-shaped body 1 made of thermosetting resin and having an opening at the front. A pair of terminal pieces 4 protrude from the lower surface of the body 1 and extend integrally with each blade receiving spring 11, respectively. The opening surface of the body 1 is a double-edged receiving spring 11
It has a rectangular shape that is long in the direction in which it is lined up, and engagement protrusions 13 are formed on both sides in the longitudinal direction, and the side surfaces of the engagement protrusions 13 are inclined so as to gradually expand outward toward the rear. A stepped portion is formed between the rear end surface of the projection 13 and the side surface of the body 1. A boss 14 for positioning is provided protruding from the lower surface of the body 1.

The mounting cover 2 has engaging pieces 23 integrally extending on the rear surface of both longitudinal ends of the front piece 22 that is fitted onto the front surface of the body 1, and the engaging pieces 23 extending integrally with the rear surface of both ends in the middle direction. A total of four locking spring pieces 21 are placed at positions corresponding to the corners.
are each integrally formed of thermoplastic resin into an extended shape. Blade insertion holes 24 are formed in the front piece 22 at positions corresponding to the blade receiving springs 11 provided on the body 1, respectively. A retaining hole 2 is provided in the medium heat part of the engaging piece 23.
5 is open, and the mounting cover 2 is inserted from the front of the body 1.
By attaching this, the engagement protrusion 13 of the body 1 and the engagement hole 25 of the attachment cover 2 are engaged, and the attachment cover 2 is attached to the body 1. Locking spring piece 2
1 is formed in a substantially ■-shape, the tip of one leg piece is integrally continuous with the rear surface of the front piece 22, and the other leg piece is provided with a spring force in the direction of expanding outward, A sloped surface 26 that gradually slopes outward toward the rear is formed at the tip of the leg on the free end side. Both the engaging piece 23 and the locking spring piece 21 project from slightly inside the outer peripheral edge of the front piece 22, and the peripheral part of the front piece 22 has a 7-run section 2.
It is 7. However, when the cover 2 is inserted into the mounting hole formed in the mounting panel 3 from the rear end, the locking spring piece 21 is pressed against the opening periphery of the mounting hole and deflects inward, and is further press-fitted. Mounting panel locking spring piece 2
When the rear end of the inclined surface 26 formed at the tip of the free end side of 1 is passed over the wooden frame, the spring force of the locking spring piece 21 causes the opening periphery of the mounting hole to move between the 7 run part 27 and the locking spring piece. The mounting cover 2 is attached to the mounting panel 3 by being held between the mounting cover 21 and the mounting cover 2, and the body 1 can be fixed to the mounting panel 3 by connecting the body 1 to the mounting cover 2.

By the way, as shown in FIG. 4, the blade receiving spring 11 includes a blade receiving part 11a which is bent into a substantially U-shape with a narrow opening width;
It consists of a terminal part 11b extending downward from the base of one leg of the blade receiving part 11a which becomes the outside when attached to the body 1, and the blade is held between the tip parts of the blade receiving part 11a. It is supposed to be done. The terminal portion 11b is bent inward after protruding downward, and has a terminal piece 4 extending downward, and the lower end of the terminal piece 4 is approximately A locking portion 11c is provided which is bent into a dogleg shape. In the body 1, the terminal portion 1.1. A slit 15 is formed through which the blade holder b is inserted, and by installing the blade holder spring 11 into the body 1 along the slit 15, the blade holder spring 11 is inserted into the body 1. . Standing leg pieces 16 are provided protruding from both edges of the lower surface of the body, and holding pieces 17 are provided protruding from the inner surface of the standing leg pieces 16. The tip of the holding piece 17 is located inward from the slit 15, and the terminal portion 11b of the blade holder 11 comes into pressure contact with the circumferential surface of the slit 15 and the tip of the holding piece 17. It is fixed. Further, a cut-and-raised piece 18 is formed on the terminal piece 4, and when this cut-and-raised piece 18 engages with a holding protrusion 19 protruding from the lower surface of the holding piece 17, the body 1 of the blade receiving spring]1
There is a restriction on removal from the tank. The lower end of the boss 14 protrudes below the lower end of the standing leg piece 16, and the locking portion 11C is located below the lower end of the standing leg piece 16.

However, in order to implement the outlet with the above configuration, the fifth
As shown in the figure, it is only necessary to insert the terminal piece 4 into the circuit board 5, but at this time, by forming a positioning hole (not shown) in the circuit board 5 corresponding to the boss 14, it is possible to insert the terminal piece 4 into the circuit board 5. 1 can be positioned at a desired position on the circuit board 5, and mounting on the circuit board 5 becomes easy. Further, since the lower end of the standing leg piece 15 comes into contact with the upper surface of the circuit board 5 and the terminal piece 4 is formed with the locking part 11c, the circuit board 5 is held between them, and the terminal piece・The body can be temporarily fixed to the circuit board 5 by press-fitting the body into the mounting hole formed in the circuit board 5. Since the terminal piece 4 can be connected directly to the circuit board 5 in this way, it is not necessary to cut the part of the circuit board 5 where the outlet is attached, improving work efficiency and eliminating the need for the lead wire 8. , it is possible to reduce the number of components. In addition, since the insulation distance from other components is determined by the conductive pattern on the circuit board 5, there is no need to pay special attention to the insulation distance. In this way, it is coupled to the mounting cover 2 attached to the circuit panel 3. Here, although the configuration is different from the conventional body in the protruding direction of the terminal piece 4,
Since the connecting portion between the mounting cover 2 and the body 1 can be formed to have the same size, the mounting cover 2 can be used in common with conventional products, and parts can be shared.

[Effects of the Invention] As described above, the present invention provides an outlet in which a body and a mounting cover are removably connected to each other, in which a terminal piece electrically connected to a blade holder spring is inserted into the socket from the side of the body. Because it protrudes in a direction substantially perpendicular to the introduction direction of the
When the plug blade is introduced from the direction along the surface of the circuit board, by attaching it directly to the circuit board, there is no risk that the terminal piece will come into contact with other parts, and a special This has the advantage that no insulation treatment is required. In addition, when the plug is introduced from the direction along the surface of the circuit board, since it is attached directly to the circuit board, it can be dip soldered together with other components on the circuit board, and there is no need to cut the circuit board. This has the advantage of increasing work efficiency.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG.
a), (b), and (c) are respectively the front view, side view, and bottom view of the same body as above, and Figure 3 (a), (b), and (c) are the front view, side view, and bottom view of the body used in the same body, respectively. figure,
Figure 4 is an exploded perspective view of the body used in the above, Figure 5 is a schematic configuration diagram showing the mounting state of the same, Figures 6 and 7.
The figure is a schematic configuration diagram showing the mounting state of the conventional example, and FIG.
FIG. 3 is a process diagram of the mounting method shown in FIG. 1 is a body, 2 is a mounting cover, 3 is a mounting panel, 4 is a terminal piece, 5 is a circuit board, 13 is an engagement projection, 21 is an engagement spring piece, 23 is an engagement piece, and 25 is an engagement hole. . Agent Patent Attorney Ishi 1) Ai 7 Figure 1 Figure 2 (C) Figure 3 Figure 6 Figure 7 Figure 8 (a) (C)

Claims (1)

[Claims] (1) In an outlet configured by connecting a body equipped with a blade holder spring to which the blade of the plug is combined with a mounting cover that is attached to a mounting hole formed in a mounting panel by means of an engaging means, the blade An electrical outlet characterized in that a terminal piece electrically connected to a receiving spring projects from the side surface of the body in a direction substantially perpendicular to the direction in which the plug blade is introduced.