JP3093932U - Extension outlet - Google Patents

Abstract

(57) [Problem] To provide an extension outlet that can connect terminal legs of various terminals to a printed circuit at a time, is easy to manufacture, and requires less burden on an operator. A case (10) having a plurality of insertion holes (11) into which insertion terminals for plugs can be inserted, and an electric circuit board (3) installed inside the case (10). 11, a terminal 5 is attached, a switch 4 for turning on / off power supply to the plug via the terminal 5 is installed, and the terminal 5 is placed on a printed circuit formed on the other surface of the electric circuit board 3. Leg 51 and switch 4
Of the terminal legs 41, 41 and the printed circuit are brought into contact with the tin solution.
Is connected to the printed circuit by tin plating.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to an extension outlet.

[0002]

[Prior art]

  In recent years, multiple pairs have been formed to suppress the waste of power due to the standby power consumption of home appliances. The power from this plug insertion hole corresponds to each of the plug insertion holes As an extension outlet with a switch to turn on / off the supply individually is used It has become.   However, the terminals installed in the inner part of the insertion hole and the terminals of the switch If connected to an electric circuit with lead wires, etc., work efficiency will be poor and mass production will be difficult. won.   In addition, since there are many welding processes that use heat, the burden on workers increases, which is a negative impact on health. There is also the possibility of giving a sound.

[0003]

[Problems to be solved by the device]

  The purpose of the present invention is to connect the terminal legs of various terminals to the printed circuit at once, It is possible to perform the work efficiently and easily and to reduce the burden on workers. To provide cents.

[0004]

[Means for Solving the Problems]

  The extension outlet of the present invention is a combination of an upper case and a lower case, Case formed with a plurality of insertion holes into which the insertion terminals of the plug can be inserted; An electric circuit board installed inside, and the plug on one surface of the electric circuit board. Each terminal is attached facing the hole and at the same time, A switch for turning on / off the power supply is installed and formed on the other surface of the electric circuit board. Insert the terminal leg of the terminal and the terminal leg of the switch on the printed circuit, Contact the terminal legs and the printed circuit with a solution of electrolyte metal, The terminal legs of the switch are connected to the printed circuit by electroplating.

[0005]   Insert the terminal legs of the terminals and the terminal legs of the switch into the electric circuit board and soak them in the tin solution. By doing so, it is possible to connect all terminal legs to the printed circuit at once. .   On the inner surface of the case, surround the insertion hole with a cylinder that presses the electric circuit board. You may form so that it may be formed. With this configuration, the electric circuit board can It is fixed to and never moves.   Provided on the electric circuit board in order to securely connect the lead wires that introduce power to the electric circuit board. The power-introducing terminal consists of a conductive plate with a substantially arc-shaped cross section that fastens the wire by tightening it. can do.

[0006]   At the center of the terminal, cut up from the upper end of the terminal leg to the one side and raise the lower end. By contacting the upper surface of the electric circuit board, insert the terminal leg into the electric circuit board. Form a cut-and-raised piece that defines the embedded length, or on both sides of the upper end of the terminal leg. Then, bend the lower ends of the terminals in the opposite directions to contact the upper surface of the electric circuit board. By contacting with each other, form a wing piece that defines the insertion length of the terminal leg into the electric circuit board. You can do it.   When you insert the terminal leg of the terminal into the electric circuit board, the insertion length is automatically set. The length of the terminal leg can be securely connected to the printed circuit.

[0007]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.   As shown in FIGS. 1 and 2, the extension outlet of the present invention comprises an upper case 1 and a lower casing. A case 10 formed by assembling the case 2 and an electric circuit installed inside the case 10. It is connected to the electric circuit board 3 by penetrating the board 3 and the case 10, and the electric power is supplied from an indoor power source or the like. And a cord 8 for introducing electric power to the road plate 3.   Further, the case 10 (upper case 1 side) has an insertion terminal 61 of the plug 6 (see FIG. 5). ), A plurality of pairs of insertion holes 11 (three pairs in the illustrated example) are formed. At the same time, the switches 4 are arranged beside the insertion holes 11 of each pair.

[0008]   The upper case 1 and the lower case 2 are made of an insulating material, and as shown in FIG. A cylindrical body 12 is formed on the inner surface of 1 so as to surround the insertion hole 11, and A locking hole 14 for engaging the operation portion 43 of the switch 4 is provided on the side of the insertion hole 11. Are formed.   The case 10 may have any assembly structure, but the example shown in the drawing Then, on the inner surfaces of the upper case 1 and the lower case 2, the connecting cylinders 13 and 21 are relatively attached. It is projected to face and fits the upper case 1 and the lower case 2 to connect them. The case 10 is assembled by screwing screws into the tubes 13 and 21.

[0009]   The electric circuit board 3 is made of an insulating material and is sandwiched between the upper case 1 and the lower case 2, It is pressed and fixed by the cylindrical body 12 of the upper case 1. In addition, the electric circuit board 3 has a lower case. A positioning hole 33 for inserting the connecting cylinder 21 of the spacer 2 is formed.   On the upper surface of the electric circuit board 3, at a position corresponding to the insertion hole 11 of the upper case 1. Has terminals 5 attached thereto. The terminal 5 has its terminal leg 51 connected to an electric circuit board. 3 is attached by being inserted into the insertion hole 31 formed in 3.

[0010]   The switches 4 are arranged on the electric circuit board 3 at the sides of the terminals 5 of each pair. It The switch 4 is operated via the corresponding terminal 5 by operating the operation section 43. It is for turning on / off the power supply to the plug 6 individually, A pair of terminal legs 41 and a pair of positioning protrusions 42 are projected downward.   These terminal legs 41 and positioning protrusions 42 are used for the switch installation position of the electric circuit board 3. It is inserted into the insertion hole 31 and the positioning hole 32 formed in the table 40.

[0011]   Electric power is introduced into the pair of insertion holes 31 formed at one end in the longitudinal direction of the electric circuit board 3. The terminal legs 91 of the terminals 9 are respectively inserted. The power introduction terminal 9 has a substantially arcuate cross section. It is composed of an electric plate, and a conductor 81 passing through the center of the cord 8 is inserted in the center to The lead wire 81 is connected by tightening the input terminal 9.   In addition, on the lower surface of the electric circuit board 3, a terminal leg 91 of the power introduction terminal 9 is inserted. Insert hole 31, insert hole 31 into which terminal leg 41 of switch 4 is inserted, and terminal of terminal 5 A printed circuit 30 is formed that logically connects the insertion hole 31 into which the leg 51 is inserted. Be done.

[0012]   Then, insert the terminal legs 91, 41, 51 into the insertion holes 31 of the electric circuit board 31, These terminal legs 91, 41, 51 are electrically connected to the printed circuit 3.   In the example shown in FIG. 3, the printed circuit 30 includes one terminal leg 91 and one terminal leg 4 Circuit 30a connecting all 1's, the other terminal leg 91 and one terminal leg 51 Circuit 30b to be connected, and corresponding other terminal leg 41 and other terminal leg 51 It is a comb-shaped electric circuit consisting of a circuit 30c for connecting It can also be a circuit.

[0013]   Each pair of terminals 5 mounted on the electric circuit board 3 is slightly elastic as shown in FIG. The upper ends of the conductive strips are folded back to the opposite sides to form the conducting contact piece 53. Consists of   The opposite surface of the conducting piece 53 is engaged with the through hole 62 formed in the insertion terminal 61 of the plug 6. The spherical projections 530 are formed. In addition, shoulders are provided on both upper ends of the terminal leg 51. 510 is projected, and the terminal leg 51 of the terminal 5 is inserted into the insertion hole 31 of the electric circuit board 3. Then, the shoulder 510 contacts the upper surface of the electric circuit board 3, and the terminal leg 51 is preset. The length of the electric circuit board 3 projects from the lower surface of the electric circuit board 3.

[0014]   The terminal leg 91 of the power introduction terminal 9, the terminal leg 41 of the switch 4, and the terminal leg 5 of the terminal 5. 1 and the printed circuit 30 of the electric circuit board 3 are connected as follows.   The terminal leg 91 of the power introduction terminal 9 and the terminal of the switch 4 are inserted into the insertion hole 31 of the electric circuit board 3. The leg 41 and the terminal leg 51 of the terminal 5 are inserted from above, and the tip ends of the electric circuit board 3 Project downward.   As shown in FIG. 4, the electric circuit board 3 is immersed in a storage tank 7 containing a tin solution, The lower surface of the electric circuit board 3 is brought into contact with the tin solution 71. Then, the terminal legs 91, 41, 5 1 and the printed circuit 30 are electroplated with tin so that the terminal legs 91, 41, 51 are It is electrically connected to the printed circuit 30 at a time.

[0015]   FIG. 6 shows a second embodiment of the terminal 5.   At the center of the terminal 5, cut upward from the upper end of the terminal leg 51 to the side opposite to the guiding piece 53. Raising to form a cut-and-raised piece 52 that slopes downward and outward.   When the terminal leg 51 is inserted into the insertion hole 31 of the electric circuit board 3, the cut and raised piece 52 is The end contacts the upper surface of the electric circuit board 3, and the insertion length of the terminal leg 51 is regulated to the set length. Controlled.

[0016]   FIG. 7 shows a third embodiment of the terminal 5.   On both sides of the upper end of the terminal leg 51, connect the lower end of the terminal 5 to the upper end of the side edge of the terminal leg 51. Bend in the opposite directions through bending lines that extend laterally upward, 54 is formed. Insert the terminal leg 51 of the terminal 5 into the insertion hole 31 of the electric circuit board 3. Then, the lower end of the wing piece 54 abuts on the upper surface of the electric circuit board 3, and the terminal leg 51 is inserted. Restrict the length to the set value.

[0017]   FIG. 8 shows a fourth embodiment of the terminal 5.   The lower end portion of the terminal 5 is formed on both sides of the upper end of the terminal leg 51 at right angles to the side edges of the terminal leg 51. Strips that are bent in opposite directions through the bending lines and that are orthogonal to the main body of the terminal 5. The wing piece 55 having the shape of a circle is formed.   When the terminal leg 51 of this terminal 5 is inserted into the insertion hole 31 of the electric circuit board 3, the blade piece 55 The lower surface of the terminal contacts the upper surface of the electric circuit board 3 over the entire surface, and the insertion length of the terminal leg 51 is Is regulated to the set value.

[0018]   FIG. 9 shows a fifth embodiment of the terminal 5.   A shoulder portion 510 is formed so as to project from the upper end of the terminal leg 51 to both sides, and the upper portion of the terminal 5 is offset. In addition, two upper and lower score lines 59 are made wider than the terminal leg 51. And Bend the upper part of the shoulder 510 to the one side, and further cut the cut line 59 at both ends. When the outer side is bent in parallel with the terminal leg 51, the end between the upper and lower score lines 59 The pressing plate 56 that is lifted from the central portion 58 of the child 5 is formed. An area 57 is an insertion opening 57 for receiving the insertion terminal 61 of the plug 6.

[0019]

[Effect of device]

  According to the invention of claim 1, for each set of terminals, supply of electric power through the terminals Since it can be controlled by a switch operation, power consumption is suppressed.   In addition, the terminals attached to the electric circuit board and the terminal legs of the switch can be printed at once. It can be connected to an automatic circuit, which simplifies manufacturing and enables mass production, and uses heat. Since the welding process is reduced, the burden on the operator is reduced.

[0020]   According to the invention of claim 2, the electric circuit board is fixed at a predetermined position in the case. Never move.   According to the invention of claim 3, the lead wire for introducing the electric power to the electric circuit board is securely connected. can do.   According to the inventions of claims 4 and 5, the terminal leg of the terminal is inserted into the electric circuit board. When inserted into the hole, the cut-and-raised piece or wing piece contacts the electric circuit board, and the terminal automatically Since the legs are inserted for the set length, the terminal legs and the printed circuit can be easily and Secure connection.

[Brief description of drawings]

FIG. 1 is a perspective view of an extension outlet.

FIG. 2 is an exploded perspective view of an extension outlet

FIG. 3 is a plan view of an electric circuit board.

FIG. 4 is a cross-sectional view showing a step of connecting the terminal leg and the printed circuit.

FIG. 5 is a perspective view showing a first embodiment of a plug and a terminal.

FIG. 6 is a perspective view showing a second embodiment of the terminal.

FIG. 7 is a perspective view showing a third embodiment of the terminal.

FIG. 8 is a perspective view showing a fourth embodiment of the terminal.

FIG. 9 is a perspective view showing a fifth embodiment of the terminal.

[Explanation of symbols]

1 upper case 11 insertion holes 12 cylinder 13 Connection tube 14 Locking hole 2 lower case 21 Connection tube 3 electric circuit board 30 printed circuits 31 insertion hole 32 Positioning hole 33 Positioning hole 4 switches 40 Switch installation position 41 terminal leg 42 Positioning protrusion 43 Operation part 5 terminals 51 terminal leg 52 Cut and raised piece 53 guide piece 510 shoulder 530 protrusion 54,55 wings 56 Press plate 57 outlet 58 central part 59 score line 6 plugs 61 Insertion terminal 62 through hole 7 storage tanks 71 tin solution 8 codes 81 conductor 9 Power introduction terminal 91 Terminal leg 10 cases

Claims (5)

[Scope of utility model registration request] 1. A case comprising a combination of an upper case and a lower case, having a plurality of insertion holes into which insertion terminals of a plug can be inserted, and an electric circuit board installed inside the case, Terminals are attached to one surface of the electric circuit board facing the insertion holes,
A switch for turning on / off the power supply to the plug through the terminal is installed, and the terminal leg of the terminal and the terminal leg of the switch are inserted on a printed circuit formed on the other surface of the electric circuit board. An extension outlet characterized in that the terminal leg and the printed circuit are brought into contact with a tin solution, and the terminal leg of the terminal and the terminal leg of the switch are connected to the printed circuit by tin plating. 2. The extension outlet according to claim 1, wherein a cylindrical body for pressing the electric circuit board is formed on an inner surface of the case so as to surround the insertion hole. 3. The extension outlet according to claim 1, wherein the power introduction terminal provided on the electric circuit board is formed of a conductive plate having a substantially arcuate cross-section for winding and fixing a conductive wire. 4. In the central part of the terminal, the upper part of the terminal leg is cut and raised upward to the one surface side, and the lower end abuts on the upper surface of the electric circuit board, whereby The extension outlet according to any one of claims 1 to 3, wherein a cut-and-raised piece that defines an insertion length is formed. 5. The insertion length of the terminal leg into the electric circuit board by bending the lower end portions of the terminals in opposite directions on both sides of the upper end of the terminal leg and contacting the upper surface of the electric circuit board. The extension outlet according to any one of claims 1 to 3, wherein a blade that defines the height is formed.