JPH0645779A - Pinjack connection method and shield plate used in the method - Google Patents

Abstract

(57) [Abstract] [Purpose] Two pin jacks and four pin jacks are prepared and the number is increased by appropriately combining them according to the purpose, and the connection is performed by a shield plate that also serves as a shield. A method and a shield plate used by the method are provided. [Structure] A 2P pin jack provided with two conductive caps and a 4P pin jack provided with four conductive caps are arranged adjacent to each other to form a number of pin jacks according to the application. For connection, two rectangular or quadrangular plate-shaped metal materials are formed and engaging holes are provided at opposite positions to connect the pin jacks from the front surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of connecting a plurality of pin jacks to adjacent states as appropriate and a connection used for the connection, and a shield plate for a pin jack capable of selecting and shielding a plurality of conductive caps. It is about.

[0002]

2. Description of the Related Art The conventional pin jack shield structure is
The wiring terminal of the chassis GND fitting on the printed circuit board and the GND terminal of the pin jack are connected in a pattern. However, since the chassis GND metal fitting is thin and long, it has a high impedance for high frequency signals, and the radiation of unwanted signals in the set influences noise, which causes noise even when a capacitor is inserted. Will be superimposed on. Therefore, a shield case is provided to reduce sticking to the GND terminal and the GND fitting.

[0003]

However, a screw is required to attach the shield case in the conventional example, and even if the pin jack bends after attaching the shield case to the printed circuit board, Workability was poor because it could not be modified because it was inside.

Further, especially in the case of a digital circuit, a clock pulse or the like becomes noise and is generated in the GND line,
There is a problem that the external connector is adversely affected such as crosstalk through the pin jack input / output terminal.

Therefore, there are problems that must be solved to miniaturize the pin jacks so that the number of pin jacks can be easily increased and decreased, and to prevent noise generated by crosstalk and the like.

[0006]

In order to solve the above problems, the present invention provides a 2P pin jack provided with two conductive caps and a 4P pin jack provided with four conductive caps. The shield plate also serves as a shield plate, and the shield plate has four conductive cap holes corresponding to the total of four conductive caps and an earth terminal.
P pin jack and the above 4P pin jack or the above 4
A method for connecting pin jacks, wherein a plurality of P pin jacks are arranged adjacent to each other, and the shield plate is attached by fitting the conductive cap and the conductive cap hole between each adjacent. , A plurality of slits for taking out the contact terminals are provided on opposite side surfaces of the housing constituting the pin jack, and delta-shaped engaging projections are provided on the side surfaces, so that opposite ends of the shield plate also serving as a connection are provided. This is a method for connecting pin jacks in which a falling portion is formed at the edge and mounting engaging holes for engaging the engaging projections are provided at the falling portion, and the plate-shaped metal material is formed into a rectangular or square shape. A plurality of conductive cap holes through which the conductive caps of the pin jacks are inserted, and a falling portion is formed on opposite sides, and an engaging hole for mounting is provided on the falling portion. It is a shield plate used for connecting pin jacks, characterized in that a ground terminal is provided on the edge of the falling portion on the side of, and has fixing holes on the opposite sides where the falling portion is not provided. A shield plate used for connecting pin jacks each having a fixing tongue piece or a fixing tongue piece and a notch.

[0007]

[Function] A shield plate that is mounted from the front of the pin jack and surrounds the periphery of the base of the conductive cap to shield it. The conductive cap can be appropriately selected and shielded, and an adjacent connecting member is not required. It can be easily connected while shielding the pin jacks.

[0008]

The present invention will now be described in more detail with reference to the drawings. As shown in FIGS. 1 and 2, the pin jacks 11 and 12 have two connection ports (hereinafter referred to as 2P) and 4
The 2P pin jack 11 is constituted by combining a conductive cap unit 13 in which two conductive caps are connected and a 2P housing 15, and the 4P pin jack 12 is The conductive cap units 13 are arranged side by side and combined with the 4P housing 16.

As shown in FIG. 3, the conductive cap unit 13 has a structure in which two insulating rings 13b and 13b and contact terminals 19 and 19a are fitted to a grounding metal fitting 17 integrally formed with a pair of conductive caps 13a. The projection is made to project from the back side of the 2P housing 15 to the front surface, and is fitted into projections 15h provided at four corners inside the 2P housing 15 to prevent the 2P housing 15 from coming off. Although not shown, the 4P pin jack 12 has the conductive cap units 13 arranged side by side in a housing 16, and the four corners of the pin jacks 12 are fitted into the projections 15h so as to be prevented from coming off.

Housing 15 of 2P pin jack 11
As shown in FIGS. 1 and 3, a cylindrical insertion hole 15a for fixing the pin jack 11 to a part of the electric device main body is provided in the center of the side surface in the longitudinal direction, and both sides of this insertion hole 15a are provided. Another 2P pin jack 11 or 4P pin jack 12 is adjacent to the adjacent projections 15b, 15 each having a vertically elongated shape for facilitating the coupling and preventing the positional deviation.
b. Further, on both sides of the insertion hole 15a, there are provided quadrilateral projections 15c, 15c for preventing a shield plate 51, which will be described later, from being fitted in the opposite direction, and a semicircular tubular shape is formed at the center of the opposite side surface in the longitudinal direction. The cutout portion 15g is provided so as to easily connect the other 2P pin jack 11 or the 4P pin jack 12 adjacently.

Further, delta-shaped engaging projections 15k for fitting and locking shield plates, which will be described later, are provided on the upper portions of the opposite side surfaces on the short side, and the conductive cap unit is provided on the lower portion of the other end side surface. This is a structure in which a groove 15d formed of a plurality of slits from which the terminal portions of the contact terminals 19 and 19a of 13 and the tip of the common terminal 21 protrude.

Further, on the front side, a cylindrical cap hole 15e is formed so that the leading end of the conductive cap 13a of the conductive cap unit 13 can be projected. An external terminal is inserted into and removed from the conductive cap 13a on the circumference of the cap hole 15e. It is provided with a reinforced tubular portion 15f so that it can withstand an external force when it is moved.

Housing 16 of 4P pin jack 12
2 has a structure in which two housings 15 of a 2P pin jack 11 are integrated, and an insertion hole 15a for fixing the pin jack 12 to a part of an electric device is provided at a central position of the housing 15. Is provided.

The contact terminals 1 are respectively provided on the opposite side surfaces.
A groove 15d formed of a plurality of slits for taking out the terminals 9 and 19a and the common terminal 21 is provided, and a digital engagement protrusion 15k is provided on the side surface, and the shield plates 22 and 23, which will be described later, are provided with opposing edges. It has a structure that engages with the mounting engaging holes 25 of the engaging tongue pieces 24 at the provided fall portions.

The shield plate 2 that also serves as a connection between the 2P pin jack 11 and the 4P pin jack 12 described above.
As shown in FIGS. 4 and 5, reference numerals 2 and 23 are formed by forming a plate-shaped metal material into a square shape.
2 and 23 have conductive caps 1 of the pin jacks 11 and 12.
Three conductive cap holes 5 into which 3a is inserted are provided, and at least a pair of engaging tongue pieces 24 are provided upright at the opposite end edges and are attached to the engaging tongue pieces 24, respectively. The engaging hole 25 is provided, and the engaging tongue piece 24 on one side is provided with the ground terminal 26.

Then, fixing tongues 28 having fixing holes 27 are provided respectively on opposite sides where the engaging tongues 24 are not provided (see FIG. 5), or the fixing tongues 27 are provided on one side, The other is a structure in which a cutout 29 is formed and a fixing hole 27 is provided at a central position of a square metal plate (see FIG. 4).

As shown in FIGS. 6 and 7, the auxiliary shield plates 30 and 31 are shielded from the front surfaces of the 2P pin jack 11 and the 4P pin jack 12 by the shield plates 22 and 23 which also serve as the connection described above. It is used to appropriately select and shield a conductive cap that is not included.

The auxiliary shield plates 30 and 31 are rectangular metal plates and have insertion holes 15a for fixing the 2P pin jack 11 or the 4P pin jack 12 to a part of an electric device at the center of the side surface in the longitudinal direction. The fixing hole 27 is provided at a position corresponding to, and the semi-cylindrical notch 15 of the 2P pin jack 11 or the 4P pin jack 12 is provided in the center of the opposite side surface.
A semicircular cutout 29 is provided at a position corresponding to g,
A structure is provided in which standing positioning pieces 32 are provided on both sides of the notch 29. Due to the positioning piece 32 and the projection 15c provided on the 2P housing 11, the auxiliary shield plates 30 and 31 can be engaged with the 2P pin jack 11 only from a fixed direction.

The first embodiment according to the present invention is, as shown in FIG. 8, a 4P pin jack 12 and a 2P pin jack 1.
1 and the insertion hole 15a side provided with the positioning projection 15b are arranged adjacent to each other and are connected by the shield plate 22. The mounting engagement hole 25 provided in the shield plate 22 is fitted to the engagement projection 15k of the 2P pin jack 11 and the engagement projection 15k of the 4P pin jack 12 on the side where the 2P pin jack 11 is coupled. By engaging with each other, both pin jacks 11 and 12 can be easily connected also as a shield.

The second embodiment according to the present invention is, as shown in FIG. 9, a 4P pin jack 12 and a 2P pin jack 1.
The respective cutouts 15g of the No. 1 are arranged adjacent to each other and are connected by the shield plate 23.

For the connection between the notches 15g in the adjoining state, no positioning means is provided, but the attachment engagement hole 25 provided in the shield plate 23 is provided with the engagement projection of the 2P pin jack 11. The engaging projection 1 on the side of the portion 15k and the 4P pinjack 12 which is connected to the 2P pinjack 11
By fittingly engaging with 5k, both pin jacks 11 and 12 can also be easily connected together as a shield.

The third embodiment according to the present invention shows that the 4P pin jacks 12 are arranged adjacent to each other and are connected by a shield plate 23, as shown in FIG. Since the shield plate 23 has the fixing holes 27 on both sides, even if the 4P pin jacks 12 are connected to each other, each of the 4P pin jacks 12 can be fixed to a part of the electric device.

Then, each notch 15 in the adjacent state
The g side is connected to each other without any positioning means or the like, but the engagement projection 25k on the side where the 4P pin jack 11 is connected to the mounting engagement hole 25 provided in the shield plate 23. The two pin jacks 12 and 12 can be easily connected to each other while also functioning as a shield.

In the fourth embodiment according to the present invention, as shown in FIG. 11, the positioning projection 15 of the 2P pin jack 11 is provided.
Insertion hole 15a side having b and 4P pin jack 12
And are arranged adjacent to each other and connected by the shield plate 22 (see FIG. 8).
(The same connection state as in the first embodiment shown in FIG. 4), the unshielded conductive cap 13a of the 4P pin jack 12,
The auxiliary shield plate 31 is fitted and engaged with 13a. The auxiliary shield plate 31 has a structure in which the positioning piece 32 can always engage only in the direction shown in the figure.

In the fifth embodiment according to the present invention, as shown in FIG. 12, the 4P pin jacks 12 are arranged adjacent to each other and connected by a shield plate 22 (the third embodiment shown in FIG. 10). (The same connection state as the example) Unshielded conductive caps 13a, 13a, 13a of the pin jack 12 for 4P,
The auxiliary shield plates 30 and 31 are fitted and engaged with 13a. The auxiliary shield plates 30 and 31 are structured so that the positioning pieces 32 can always engage only in the direction shown in the figure.

[0026]

As described above, the method of connecting pin jacks according to the present invention has two conductive caps.
4P with P pin jack and 4 conductive caps
2P pin jack and 4P pin with a grounding terminal and four conductive cap holes corresponding to a total of four conductive caps. Jack or 4P
Plural pin jacks are arranged adjacent to each other, and the shield plate is attached by fitting the conductive cap and the conductive cap hole between each adjacent, so that the shield plate can be used in correspondence with the combination and increase / decrease of pin jacks. Since there is no need to change the design, it is suitable for mass production of pin jacks of a fixed shape and can greatly reduce costs.

Furthermore, since the function of connecting not only the pin jacks but also the shields is provided so that a separate connecting tool is not required, the structure of the pin jack body can be simplified and the assembly process can be reduced. .

A plurality of slits for taking out the contact terminals are provided on the opposite side surfaces of the housing constituting the pin jack, and delta-shaped engaging projections are provided on the side surfaces to form a shield plate also serving as a connection. By forming the falling portions at the opposite edges and providing the mounting engaging holes with which the engaging protrusions engage with each other, the connecting terminals, the common terminals, and the shield plate are formed in the same direction. Since the ground terminal can be taken out, it can be easily installed in an electric device or the like, and the area required for the installation can be significantly reduced.

The shield plate used for connecting the pin jacks is formed by forming a plate-shaped metal material into a rectangular shape or a quadrangular shape, and providing a plurality of conductive cap holes into which the conductive caps of the pin jacks are inserted and facing each other. By forming a falling part on the side where the falling edge is formed, and providing an engaging hole for mounting on this falling part, and providing a ground terminal at the edge of the falling part on one side, crosstalk, digital noise, etc. are prevented. This can be prevented, and only the conductive cap unit that generates noise can be shielded.

Further, the shape of the pin jack is adapted by providing fixing tongues each having a fixing hole on the opposite side where the falling portion is not provided, or by providing a fixing tongue and a notch. Since the shield can be formed, the area required for the shield can be minimized to achieve an efficient shield.

[Brief description of drawings]

FIG. 1 is a perspective view of a 2P pin jack according to the present invention.

FIG. 2 is a perspective view of a 4P pin jack according to the present invention.

FIG. 3 is an assembled perspective view of a conductive cap unit used for the 2P pin jack and the 4P pin jack according to the present invention.

FIG. 4 is a perspective view of a shield plate having a fixed tongue piece on one side and a notch on the opposite side and also serving as a connection according to the present invention.

FIG. 5 is a perspective view of a shield plate having fixed tongue pieces on both sides according to the present invention and also serving as a connection.

FIG. 6 is a perspective view of an auxiliary shield plate for use with the shield plate shown in FIGS. 4 and 5 according to the present invention.

FIG. 7 is a perspective view of an auxiliary shield plate used with the shield plate shown in FIGS. 4 and 5 according to the present invention.

FIG. 8 shows a state in which a 2P pin jack and a 4P pin jack according to the present invention are arranged adjacent to each other and are connected by a shield plate which also functions as the connection shown in FIG.

FIG. 9 is a diagram showing a state in which a 2P pin jack and a 4P pin jack according to the present invention are arranged adjacent to each other and are connected by a shield plate which also functions as the connection shown in FIG.

FIG. 10 is a view showing a state in which 4P pin jacks according to the present invention are arranged adjacent to each other and are connected by a shield plate which also functions as the connection shown in FIG.

FIG. 11 is a view showing that the 2P pin jack and the 4P pin jack according to the present invention are arranged adjacent to each other and connected by the shield plate which also serves as the connection shown in FIG. 5, and the auxiliary shield plate shown in FIG. It shows how it is shielded.

FIG. 12 is a view showing a 2P pin jack and a 4P pin jack according to the present invention, which are arranged adjacent to each other and connected by a shield plate which also serves as a connection shown in FIG. 5, and an auxiliary shield plate shown in FIG. And a state of being shielded by the auxiliary shield plate shown in FIG.

[Explanation of symbols]

 5 Conductive Cap Hole 11 2P Pin Jack 12 4P Pin Jack 13 Conductive Cap Unit 13a Conductive Cap 13b Insulating Ring 15 2P Housing 15a Insertion Hole 15b Projection 15c Engagement Projection 15d Groove 15e Cap Hole 15f Cylindrical Reinforcement 15g Notch Part 15h Projection part 15k Engagement projecting part 16 4P housing 17 Ground metal fitting 19 Contact terminal (long) 19a Contact terminal (short) 21 Common terminal 22 Shield plate also serving as a connection 23 Shield plate 24 also serving as a connection Tongue piece for engagement 25 Mounting Engagement Hole 26 Ground Terminal 27 Fixing Hole 28 Fixing Tongue 29 Cutout 30 Auxiliary Shield Plate 31 Auxiliary Shield Plate 32 Positioning Piece

Claims (4)

[Claims] 1. A 2P pin jack provided with two conductive caps, a 4P pin jack provided with four conductive caps, and a shield plate also serving as a connection, and a total of four shield plates. And a ground terminal, and a plurality of 2P pin jacks and a plurality of 4P pin jacks or a plurality of 4P pin jacks are arranged adjacent to each other. A method for connecting pin jacks, characterized in that the shield plate is attached by fitting the conductive cap and the conductive cap hole between adjacent ones. 2. A shield plate also serving as a connection, wherein a plurality of slits for taking out contact terminals are provided on opposite side surfaces of a housing constituting a pin jack, and delta-shaped engaging projections are provided on the side surfaces. 2. The method for connecting pin jacks according to claim 1, wherein a falling portion is formed at the end edges facing each other, and mounting engaging holes with which the engaging protrusions engage with each other are provided in the falling portion. 3. A plate-shaped metal material is formed into a rectangular shape or a quadrangular shape, a plurality of conductive cap holes into which the conductive caps of pin jacks are inserted are provided, and falling portions are formed on opposite sides, and the rising portions are formed. A shield plate used for connecting a pin jack, characterized in that a mounting engaging hole is provided in the descending portion, and a ground terminal is provided at the edge of the falling portion on one side. 4. The pin jack according to claim 3, wherein each of the fixing tongues having a fixing hole is provided on the opposite side where the falling portion is not provided, or the fixing tongue and the cutout are provided. Shield plate used for connection.