JPH0117108Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a jack used as an electrical connector for electrically connecting electrical equipment to a power source, an earphone, a headphone, a remote control switch, etc.

In general, this type of jack is equipped with figures 1 and 2.
As shown in the figure, when the plug 1 is inserted into the plug insertion path 3 in the housing body 2, the electrode parts 4, 5, 6 of the plug 1 are connected to the electrode parts 10, 11 of the terminal pieces 7, 8, 9, 12 is designed to make elastic contact. In such a conventional plug, when inserting the plug 1, the electrode portion 4 at the tip touches the terminal piece 9 during insertion.
The intermediate electrode part 5 contacts the electrode parts 12 and 11 of the terminal piece 9 in sequence, and then contacts the electrode part 10 of the target terminal piece 7. 8, the second signal is temporarily supplied to a circuit to which the first signal is to be supplied, which is a drawback. In addition, as shown in FIGS. 1 and 2, during plug insertion, the tip electrode portion 4 of the plug 1
short-circuits the electrode parts 10 and 11 of the terminal pieces 7 and 8,
There was a drawback that the first and second electrodes were momentarily short-circuited.

The present invention has been made to eliminate the above-mentioned drawbacks, and by inserting the plug 1 into the housing body 2, the plurality of terminal pieces 7, 8, 9 provided in the housing body 2 can be connected. Electrode part 10,1
1 and 12 are corresponding electrode parts 4 of the plug 1,
5 and 6, a slider 13 is provided in the housing body 2, which is slidable along the plug insertion path 3 and biased by a spring 23 toward the plug insertion opening 24; The slider 13 includes a bottom plate 14 and a back plate formed with a pressure-receiving part 25 that is connected to the rear upper part of the bottom plate 14 and receives pressure by coming into contact with the tip of the plug 1 inserted from the plug insertion path 3. 17 and the bottom plate 14
and at least one of the plurality of terminal pieces 7, 8, 9,
The electrode portions 11 of the two terminal pieces 8 are located outside the plug insertion path 3 when the plug 1 is being inserted, and move into the plug insertion path 3 when the plug 1 is completely inserted, and are connected to the corresponding electrodes of the plug 1. The device is characterized in that it includes an actuating plate 15 that actuates the corresponding terminal piece 8 so as to come into elastic contact with the portion 5 . This is intended to eliminate inconveniences such as a wrong signal being supplied to the circuit of an electrical device or short-circuiting between the first and second electrodes.

An embodiment of the present invention will be described below with reference to FIGS. 3 to 8 and FIG. 11. The same parts as in FIGS. 1 and 2 are given the same reference numerals. In the figure, 2 is a housing body made of synthetic resin, and inside this housing body 2 are a first terminal piece 7 for the first signal, a second terminal piece 7a for its break contact, and a second terminal piece 7 for the second signal. A third terminal piece 8 for the break contact, a fourth terminal piece 8a for the break contact, and a fifth terminal piece 9 for grounding are provided. A slider 13 made of an insulating material such as synthetic resin is provided within the housing body 2. As shown in FIG. As shown in FIG. 6, the slider 13 includes a bottom plate 14, and a locking plate 15a, which is an example of an operating plate 15, which is connected substantially perpendicularly to both sides and the rear of the top surface of the bottom plate 14.
15a, a back plate 17, a locking protrusion 18 formed on the front side edge of one of the bottom plates 14, and the bottom plate 14.
It consists of a guide protrusion 19 protruding from the lower part of the
The guide protrusion 19 is fitted into a guide groove 20 formed in the bottom surface of the housing body 2, so that the slider 13 can slide along the plug insertion path 3. The back surface of the back plate 17 of the slider 13 and the back plate 21 of the housing body 2
A coil spring 23 is provided between the slider 13 and the spring hanging protrusion 22 projecting inwardly, and the elastic force of the coil spring 23 urges the slider 13 toward the plug insertion port 24 side.

The locking plates 15a, 15a of the slider 13 are
As shown in FIG. 4, the terminal pieces 8 and 9, respectively.
The electrode parts 11 and 12 are locked, and these electrode parts 1
1 and 12 are held at a position out of the plug insertion path 3.

The back plate 17 of the slider 13 is provided with an engagement hole 25 that engages the tip of the plug 1 as a pressure receiving portion 25 that comes into contact with the tip of the plug 1 and receives pressure. Said first to fifth terminal pieces 7, 7
a, 8, 8a, 9 are fixed to the housing main body 2 in the arrangement shown in FIG.
9 penetrates the bottom plate of the housing body 2 and projects downward.

Next, the operation of the present invention will be explained.

Before and during insertion of the plug 1 into the housing body 2 as shown in FIGS. 3 and 4, the electrode portions 11 and 12 of the third and fifth terminal pieces 8 and 9 are
are retracted to a position removed from the plug insertion path 3 by the locking plates 15a, 15a of the slider 13, so the electrode portion 4 at the tip of the plug 1 does not come into contact with these electrode portions 11, 12. Next, when the plug 1 is pressed and inserted into the housing body 2, the tip electrode portion 4 of the plug 1 engages with the engagement hole 25 of the back plate 17, as shown in FIGS. 7 and 8. This is pressed, and the slider 13 is slid to the right in the figure against the coil spring 23. Then, the third and fifth
The electrode parts 11 and 12 of the terminal pieces 8 and 9 are connected to the locking plate 15
The locking by a and 15a is released, and the plugs 1 and 15a elastically contact (ie, come into elastic contact with) the target electrode portions 5 and 6 of the plug 1, respectively. At this time, at the same time, the electrode portion 11a of the fourth terminal piece 8a is moved in a direction away from the third terminal piece 8 by the side edge of the slider 13, is engaged with the locking protrusion 18, and is broken.

In the above embodiment, the electrode portion of the terminal piece provided inside the housing body was configured to be removed from the plug insertion path by being locked to the locking plate of the slider, but the present invention is not limited to this. Instead, it is sufficient that the electrode portion of the terminal piece is located away from the plug insertion path so that it does not come into contact with anything other than the intended electrode portion of the plug during plug insertion. for example,
As shown by the chain lines in FIG.
The housing body 2a is formed so that its electrode parts 11 and 12 are located away from the plug insertion path 3, and a slider 13 as shown in FIG. 10 can be slid inside the housing body 2a along the plug insertion path 3. By inserting the plug 1, the slider 13 is slid to the right in the figure, and the terminal pieces 8,
9 may be moved toward the plug insertion path 3 as shown by the solid line, and the electrode portions 11 and 12 may be brought into elastic contact with the intended electrode portions 5 and 6 of the plug 1, respectively.

In the embodiment described above, the pressure receiving portion 2 formed on the back plate 17
5 is an engagement hole 25 bored in the back plate 17 of the slider 13, but the present invention is not limited to this.
The pressure receiving part 25 may be any member as long as it comes into contact with the tip of the plug 1 inserted from the plug insertion path 3 and receives pressure from the plug 1.

In the embodiment, the actuating plate 15 includes two locking plates 15a, 15a or two pressing plates 15b, 15.
b, and these locking plates 15a, 15
a or the pressing plates 15b, 15b actuate the terminal pieces 8, 9, and the electrode parts 11, 1 of the two terminal pieces 8, 9
2 are located outside the plug insertion path 3 when the plug 1 is being inserted, and move into the plug insertion path 3 when the plug 1 is completely inserted, and the corresponding electrode portions 5, 2 are located outside the plug insertion path 3.
Although the present invention is not limited to this, the actuating plate 15 is constituted by at least one locking plate 15a or pressing plate 15b,
This one locking plate 15a or pressing plate 15b operates at least one terminal piece 7, 8, or 9 of the plurality of terminal pieces 7, 8, 9, and the corresponding electrode part 1
0, 11, or 12 are located outside the plug insertion path 3 when the plug 1 is being inserted, and move into the plug insertion path 3 when the plug 1 is completely inserted, and bounce onto the corresponding electrode portions 4, 5, or 6 of the plug 1. It is fine as long as it comes into contact with you.

As described above, in the jack according to the present invention, the electrode part of the terminal piece is disposed at a position removed from the plug insertion path during the middle stage of plug insertion, and the electrode part of the terminal piece Since the structure is configured such that the electrode part of the plug comes into elastic contact with the intended electrode part of the plug, the electrode part of the plug does not come into contact with the electrode part of a terminal piece other than the intended one during plug insertion, and the intended part is not contacted when the plug is inserted. contact the electrode part of the terminal piece. For this reason, not only does it not cause the inconvenience of the second signal being supplied to the circuit to which the first signal is to be supplied during plug insertion/removal, as in the past, but the electrode part of the plug is connected to multiple terminal pieces. It has excellent effects such as not shorting the electrode parts.

[Brief explanation of the drawing]

1 and 2 show a conventional example, in which FIG. 1 is a side sectional view, FIG. 2 is a plan sectional view, and FIGS. 3 to 8 and 11 are views of a jack according to the present invention. 3 is a cross-sectional view taken along the line A-A in FIG. 4 before plug insertion, FIG. 4 is a cross-sectional view taken along line B-B in FIG. 3 before plug insertion, and FIG.
The figure is a sectional view taken along the line C-C in Fig. 3, Fig. 6 is a perspective view of the slider, Fig. 7 is a sectional view taken along the line D-D in Fig. 8 at the end of plug insertion, and Fig. 8 is a sectional view taken at the end of plug insertion. FIG. 11 is a perspective view showing the arrangement of the terminal pieces, FIG. 9 and FIG.
The figures show other embodiments; FIG. 9 is a sectional view;
FIG. 10 is a perspective view of the slider. 1...Plug, 2...Housing body, 3...
Plug insertion path, 4, 5, 6... Electrode portion of plug 1, 7, 7a, 8, 8a, 9... Terminal piece, 10,
10a, 11, 11a, 12... Electrode portion of terminal piece, 13... Slider, 15... Actuation plate, 15
a, 15a... Locking plate (an example of the actuation plate 15), 1
5b, 15b...pressing plate (an example of the actuation plate 15),
17... Back plate, 23... Coil spring, 24... Plug insertion port, 25... Engagement hole (pressure receiving part).

Claims (1)

[Claims for Utility Model Registration] 1. By inserting the plug 1 into the housing body 2, the electrode portions 10, 1 of the plurality of terminal pieces 7, 8, 9 provided in the housing body 2
1 and 12 are corresponding electrode parts 4 of the plug 1,
5 and 6, a slider 13 is provided in the housing body 2, which is slidable along the plug insertion path 3 and biased by a spring 23 toward the plug insertion opening 24; The slider 13 includes a bottom plate 14 and a back plate formed with a pressure receiving part 25 which is connected to the rear upper part of the bottom plate 14 and receives pressure by coming into contact with the tip of the plug 1 inserted from the plug insertion path 3. 1
7, and the plurality of terminal pieces 7, which are connected orthogonally to at least one of the bottom plate 14 and the back plate 17,
Electrode part 1 of at least one terminal piece 8 of 8, 9
1 is located outside the plug insertion path 3 when the plug 1 is being inserted, and moves into the plug insertion path 3 when the plug 1 is completely inserted, and comes into elastic contact with the corresponding electrode portion 5 of the plug 1. ,
A jack characterized in that it comprises an actuating plate 15 for actuating the corresponding terminal piece 8. 2 The terminal pieces actuated by the actuating plate 15 of the slider 13 are a plurality of terminal pieces 8 and 9, and the actuating plate 15 of the slider 13 is located above both sides of the bottom plate 14 and in front of both sides of the back plate 17. The terminals are arranged perpendicularly to the bottom plate 14 and the back plate 17, and when the plug 1 is being inserted, the electrode parts 11, 12 of the terminal pieces 8, 9 are locked outside the plug insertion path 3, and the insertion of the plug 1 is completed. The jack according to claim 1, which is registered as a utility model, serves as two locking plates 15a, 15a that sometimes release the locking of the electrode portions 11, 12 of the terminal pieces 8, 9. 3 The terminal pieces actuated by the actuating plate 15 of the slider 13 are a plurality of terminal pieces 8 and 9, and the electrode parts 11 and 12 of the terminal pieces 8 and 9 are removed from the plug insertion path 3 by themselves. The operating plate 15 of the slider 13 is located at the bottom plate 1.
4 are arranged perpendicularly to the bottom plate 14 and the back plate 17 above both sides of the plug 1, and when the plug 1 is inserted, the terminal pieces 8 and 9 are pressed, and the electrode part 1
1, 12 into the plug insertion path 3 and elastically contacting the corresponding electrode portions 5, 6 of the plug 1. .