JP3313072B2 - Conversion connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has two types of terminals, of which one terminal and the other terminal can be electrically connected to terminals of different types respectively. The present invention relates to a conversion connector, and particularly to a conversion connector of a board connection type in which one terminal and the other terminal are electrically connected via a substrate.

[0002]

2. Description of the Related Art Japanese Patent Laying-Open No. 6-203934 discloses a conversion connector of this type, that is, a board connection type conversion connector. In this conversion connector, a pin plug, a board, and a pin connector are housed in a cabinet, and a center terminal of the pin plug and a pin of the pin connector are electrically connected via the board. In this conversion connector, the electrical connection between the pin of the pin connector and the board is made by extending the pin of the pin connector straight behind the fixing mold holding the pin, and the tip of the extended portion. Is soldered to the substrate.

On the other hand, a conversion connector shown in FIG. 5 has been conventionally known. In this conversion connector, the other party's first
A first terminal unit 10 having a first terminal (not shown in the figure) to which an RGB connector (not shown) as a terminal is electrically connected, and an RCA connector (not shown) as a counterpart second terminal are electrically connected. A second terminal unit 20 that is inserted and connected in a flexible manner, and a board (wiring board) 30 that electrically connects the first terminal of the first terminal unit 10 to the second terminal 21 of the second terminal unit 20 It is housed and fixed in the case 40. In this conversion connector, the electrical connection between the second terminal 21 of the second terminal unit 20 and the board 30 is
Connect one end of the lead wire 50 to the connection piece 22 on the second terminal 21 side.
And the other end of the lead wire 50 is connected to a socket 51, and the socket 51 is connected to the plug 31 mounted on the substrate 30 by plugging.

[0004]

However, in the conversion connector described in Japanese Patent Application Laid-Open No. 6-203934, the pins of the pin connector are extended straight behind the fixing mold, and Since the tip is soldered to the board, if the pin of the pin connector is torn, such as when inserting or removing the RCA connector from the pin connector, the resulting excessive force from the pin to the board via the extended portion There is a possibility that the conductive foil (for example, copper foil) of the board, which is the soldering location, may be peeled off and transmitted to the soldering location.

On the other hand, in the conventional conversion connector described with reference to FIG. 5 , even if the second terminal 21 is twisted when the RCA connector is inserted into or removed from the second terminal unit 20, the force generated by the second terminal unit 20 does not lead. Since the wire 50 is absorbed by the bending deformation and an unreasonable force is hardly applied to the soldered portion between the lead wire 50 and the substrate 30, the possibility that the conductor foil of the substrate is peeled off is extremely higher than that of the above publication. There is the advantage of being less. On the other hand, the conversion connector of FIG. 5 includes not only the lead wire 50 but also the socket 51 and the plug 3.
1 is required, the number of parts is increased, and the connection terminal 22 having a complicated shape for crimping and connecting one end of the lead wire 50 to the second terminal 21 must be provided. There was a problem that the cost was likely to be high.

The present invention has been made under the above circumstances. In the conversion connector of the board connection type described at the beginning, for example, a twisting force is applied to the terminal of a terminal unit having an RCA connector as a mating connector. However, the resulting excessive force is less likely to be transmitted to the soldered portions of the board, and the need for extra components such as leads, sockets, and plugs is eliminated, and the number of components can be reduced. It is an object of the present invention to provide a conversion connector which eliminates the need to form a connection piece for a lead wire at the terminal.

[0007]

According to the present invention, there is provided a conversion connector, wherein a first terminal unit having a first terminal to which a first terminal of the other party is electrically connected is different from the first terminal of the other party. The second terminal of the other side is electrically inserted and connected.
A second terminal unit having a terminal and a board electrically connecting the first terminal and the second terminal are housed and fixed in a case, and the second terminal unit is connected to the case by the case.
Body fixed to the
In the conversion connector and a second terminal, the second
The terminal is located on the plate-shaped mounting part attached to the body.
It is distributed to the opposite end and integrally
Plate-like contact extending straight from the attachment part in the opposite direction
It has a piece portion and a plate-like bridge portion, and has a plate-like solder portion connected to the bridge portion and soldered to the substrate, and the bridge portion has A first piece that can be bent and deformed in the thickness direction on the contact piece side and has a thickness in the soldering section side that is in a posture in which the board width direction is orthogonal to the bent portion formed in the intermediate portion. It is divided into a second arm portion which can be deflected in the direction, a first arm portion thereof
Both the second piece and the second piece extend in the same direction.
The part is bent at an opening angle perpendicular to the second piece.
Therefore, the bent portion can be flexibly deformed, and
Insert the tip of the spike into the through hole formed in the substrate.
And is soldered to the substrate .

[0008] In this conversion connector, the mating first terminal is electrically connected to the first terminal of the first terminal unit.
The counterpart second terminal is electrically connected to the second terminal of the terminal unit. Therefore, it is possible to electrically connect the other party's first terminal and the other party's second terminal, which are of different types, via this conversion connector. Specific examples of different types of the first terminal and the second terminal of the other party include a case where the first terminal of the other party is a terminal of an RGB connector and the second terminal of the other party is a terminal of an RCA connector. Can be.

In this conversion connector, the second terminal held by the body of the second terminal unit has a bridge portion between the contact piece and the soldered portion soldered to the board. Moreover, the bridge portion is divided into a first piece portion and a second piece portion that can be bent and deformed in the thickness direction in which the width direction of the bridge is orthogonal to the bent portion. Therefore, when a twisting force is applied to the contact piece,
The force is absorbed by the bending deformation of the first piece and the second piece, and the force is not easily applied to the soldered portion. In particular, the first
Since the one piece part and the second piece part are in a posture in which the plate width directions are orthogonal to each other, forces in two directions orthogonal to each other are absorbed by bending deformation of the first piece part and the second piece part. This is useful for remarkably exhibiting the effect of making the twisting force difficult to be transmitted to the soldered portion. Here, the “orthogonal posture” includes not only a posture that is exactly perpendicular, but also a cross posture that appears to be substantially perpendicular but not exactly perpendicular. That is, the first piece portion and the second piece portion intersect in the plate width direction such that forces in two directions orthogonal to each other are absorbed by the first piece portion or the second piece portion in the thickness direction of the bending deformation. This includes all postures you are doing.

In the present invention, the soldering portion is bent at an opening angle orthogonal to the second piece portion, and the bent portion can be bent and deformed . If it is set to this, when the push-pull force is applied to the contact pieces, the force is to be absorbed by the bending deformation of the folding bend, joined by the force in the soldering portion It becomes difficult. Here, the “perpendicular opening angle” includes the case where the opening angles are exactly perpendicular to each other, as well as the opening angle where the apparent shape is almost perpendicular but not exactly perpendicular. Is also included. That is, it includes all the opening angles of the bent portion such that the force in the push-pull direction applied to the contact portion is absorbed by the bending deformation of the bent portion. Further, the shape of the bent portion may be a shape bent in an angular state or a shape curved in an arc shape.

[0011] In the present invention, the tip portion of the solderability portion is soldered to the substrate is inserted into a through hole formed in the substrate. If it is set as this, the tip portion of the soldering portion is positioned by the through hole of the substrate, becomes difficult to move the soldered portion by the force of the twisting force and push-pull direction as described above, the soldering portions It becomes difficult to apply excessive force.

[0012] In the above conversion connector, the attachment portion of the second terminal, together with the plugged into slit-like terminal mounting holes formed in the body, to the mounting portion
Claw piece is cut and raised form to which is engaged with the hole wall of the upper Symbol mounting hole
Is, it is possible to adopt a configuration that. In this case, it is desired that the slit-shaped terminal mounting hole be large enough to hold the plate-shaped mounting portion of the second terminal as little as possible.
The transmission of the torsion force and the push-pull force applied to the contact piece to the bridge portion is suppressed by the attachment portion of the attachment portion to the terminal attachment hole, and this is the effect of the force on the soldering portion. Helps make transmission less likely. Also, since the claw piece of the mounting portion is locked to the hole wall of the mounting hole,
Extraction of the second terminal from the body is prevented.

[0013]

1 is a longitudinal sectional side view showing an embodiment of a conversion connector according to the present invention, FIG. 2 is a partially broken plan view of the conversion connector, and FIGS. 3 and 4 are used for the conversion connector. FIG. 4 is a schematic perspective view of two types of second terminals 21.
The conversion connector shown in FIGS. 1 and 2 includes a first terminal unit 10 capable of inserting and removing an RGB connector as a mating first terminal, and a second terminal unit 20 capable of inserting and removing an RCA connector as a mating second terminal. And a board (for example, a printed wiring board) 30.

[0014] The first terminal unit 10 is the same as the first terminal unit 10 that is employed in the conventional conversion unit described in FIG. That is, a first terminal (none of which is shown in the figure) is held by an electrically insulating resin body, and a soldering portion 12 extending from the first terminal in a direction orthogonal to the first terminal is provided behind the resin body. The soldering portion 12 is provided and inserted into the through hole 32 of the board 30 and soldered to the conductor foil of the board 30. Further, a metal cap 13 is attached to the resin body, and the cap 13 functions as a ground contact piece. The first terminal unit 10 shown in the figure has a total of three terminal portions R, L, and V, one terminal portion used for video and two terminal portions used for audio. Each of R, L, and V has one of the first terminals.

The second terminal unit 20 includes a horizontally long resin body 23 having excellent electrical insulation and a second terminal 21 held by the body 23. And a metal rectangular cylindrical frame 24 surrounding the terminal 21. In the illustrated example, the required number of upper second terminals 21A, which are arranged and held in a horizontal line at an equal pitch on the upper portion of the body 23, and are arranged in a horizontal line at an equal pitch on the lower portion of the body 23. The required number of held lower second terminals 21B are distinguished, and the upper second terminals 21A and the lower second terminals 21B are arranged in a so-called staggered arrangement.

As shown in FIGS. 3 and 4, the upper second terminal 21
Each of the second terminals 21 such as A and the lower second terminal 21 </ b> B is a plate-like mounting portion 25 and a contact piece portion which is distributed integrally to the opposite end of the mounting portion 25 and integrally provided. It is formed of a single metal plate having a bridge portion 27, a plate-like soldering portion 28 integrally connected to the bridge portion 27, and the like. And the claw piece 2 is attached to the mounting portion 25.
9 is cut and raised. In these second terminals 21, the contact piece 26 and the mounting part 25 are formed with bulging ribs 61, 62 long in the longitudinal direction.
Therefore, the rib portion 6 is provided between the contact piece portion 26 and the mounting portion 25.
1 and 62 impart the property of not easily bending and deforming. The bridge portion 27 is divided into a first piece portion 64 and a second piece portion 65 in which the plate width directions a and b are orthogonal to each other with a bent portion 63 formed at an intermediate portion thereof as a boundary. Since each of the first piece 64 and the second piece 65 is formed in a plate shape, the first piece 64 and the second piece 65 can easily bend and deform in the thickness direction. The first piece 64 and the second piece 65 extend in the same direction. Although the bent portion 63 in the illustrated example is bent at a right angle or a substantially right angle, this point may be bent in an arc shape, and such a bent portion 63 is bent so as to change its opening angle. Has the properties that are possible. The soldering portion 28 is
The bent portion 66 is bent at an opening angle θ orthogonal to the one-side portion 65, and has a property that the bent portion 66 can be flexibly deformed so as to change the opening angle θ. Bending part 6 in the example
Although 6 is bent in an arc shape, this point may be bent at a right angle or a substantially right angle. Of the second terminals 21, the upper second terminal 21A shown in FIG. 3 and the lower second terminal B shown in FIG. 4 differ only in the shape of the bridge portion 27, and the remaining portions have the same shape. Has become. The reason why the shape of the bridge portion 27 is different is that the arrangement position of the substrate 30 shown in FIGS.

The upper second terminal 21A and the lower second terminal 21B
As shown in FIGS. 1 and 2, the second terminal 21 is inserted into the slit-shaped terminal mounting hole 71 formed in the body 23 so that the second terminal 21 does not move as much as possible.
The claw piece 29 of the mounting portion 25 is engaged with a stepped hole wall 72 provided in the mounting hole 71. Therefore, RCA
Even if the second terminal 21 is pushed in the direction of the arrow P in FIG. 2 when the connector is inserted into the second terminal unit 20, no situation occurs such that the second terminal 21 comes out of the body 23. The second terminal 21 having the attachment portion 25 attached to the body 23 as described above has its contact piece portion 26 projecting into a space surrounded by a frame 24 in front of the body 23. The bridge portion 27 extends in a direction opposite to the direction in which the contact piece portion 26 protrudes, and the bent portion 63 and a part of the first piece portion 64 of the bridge portion 27 and the entirety of the second piece portion 65 are formed. Are disposed in the space S behind the body 23. The entire soldering portion 28 extends in a direction orthogonal to the direction in which the contact piece 26 protrudes, and the tip portion 28 a of the soldering portion 28 is inserted into a through hole 33 formed in the substrate 30. And soldered to the substrate 30. Reference numeral 34 denotes solder piled on the conductor foil of the substrate 30.

The first terminal unit 10, the second terminal unit 20, and the substrate 30 are accommodated in a case 40 formed by joining an upper case 41 and a lower case 42 formed in half. Fixed. This case 40 also serves as a handle. The substrate 30 has a substantially rectangular shape that is long on the left and right, and between the first terminal unit 10 and the second terminal unit 20 in the case 40.
They are arranged in a posture along their facing direction.

In the conversion connector described above, the second terminal unit 20 is a multi-pole terminal unit provided with the second terminals 26 having more poles than the first terminal of the first terminal unit 10. Then, as described above, the RGB connector as the mating first terminal is inserted into and pulled out of the first terminal unit 10, and the RCA connector as the mating second terminal is inserted into and pulled out of the second terminal unit 20.

In this conversion connector, when the RCA connector is inserted into or removed from the second terminal unit 20, or when the RCA connector is inserted into the second terminal unit 20, the upper second terminal 21A or the lower second terminal 21A is connected. Although a prying force or a force in the push-pull direction may be applied to the contact piece 26 of the second terminal 21 such as the two terminals 21B, the force depends on the structure of the attachment portion with the bridge 27 or the body 23. It is difficult to transmit to the soldering portion between the soldering portion 28 and the board 30.

This point will be described with reference to FIGS.
When a torsion force is applied to the contact piece 26, the horizontal X-direction component of the force is absorbed by the bending deformation of the first piece 64 of the bridge 27 in the thickness direction (left-right direction in the drawing), and the force is applied. Is absorbed by the bending deformation of the second piece 65 of the bridge portion 27 in the thickness direction (vertical direction in the drawing). When a force in the push-pull direction is applied to the contact piece 26, the soldering part 28 and the second piece 6
5 is absorbed by being bent and deformed so as to change its opening angle θ. For this reason, it is difficult for a twisting force or a force in the push-pull direction to be applied to a soldering portion between the soldering portion 28 and the substrate 30. Such an effect is further enhanced by the fact that the attachment portion 25 is attached to the body 23 so as not to move as much as possible, that the tip portion 28a of the soldering portion 28 is positioned by the through hole 33 of the substrate 30, and the like. Prominently demonstrated.
Therefore, there is almost no possibility that a situation in which the conductor foil of the substrate 30 is peeled off due to excessive force applied to the soldered portion.

In the embodiment described above, the conversion connector in which the RGB connector is inserted into and removed from the first terminal unit 10 and the RCA connector is inserted into and removed from the second terminal unit 20 has been described. The conversion connector includes all types of conversion connectors that have two types of terminals, of which one terminal and the other terminal can be electrically connected to different mating terminals separately. It is.

[0023]

According to the present invention, it is possible to provide a conversion connector in which an excessive force is hardly transmitted to a soldered portion of a substrate and which does not require use of extra parts such as a lead wire, a socket, and a plug. become. Therefore, according to the present invention, the number of components can be reduced, and a conversion connector having excellent durability can be provided at low cost.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view showing an embodiment of a conversion connector according to the present invention.

FIG. 2 is a partially broken plan view of the conversion connector.

FIG. 3 is a schematic perspective view of a second terminal used in the conversion connector.

FIG. 4 is a schematic perspective view of another second terminal used in the conversion connector.

FIG. 5 is a vertical sectional side view of a conventional conversion connector.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 1st terminal unit 20 2nd terminal unit 21, 21A, 21B 2nd terminal 23 Body 25 Attachment part 26 Contact piece part 27 Bridge part 28 Soldering part 29 Claw piece 30 Substrate 33 Through hole 40 Case 63 Bend part 64 First 1 piece 65 second piece 66 bent portion 71 terminal mounting hole 72 hole wall a, b board width direction θ opening angle

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-203934 (JP, A) JP-A 2-56373 (JP, U) JP-A 64-27990 (JP, U) JP-A 61- 201288 (JP, U) Japanese Utility Model Application Hei 3-26979 (JP, U) Japanese Utility Model Application Hei 4-44029 (JP, U) Japanese Utility Model Application Hei 7-30460 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) H01R 31/06

Claims (4)

(57) [Claims] A first terminal unit having a first terminal to which the first terminal of the other party is electrically connected;
A second terminal unit including a second terminal to which a second terminal of a counterpart of a different type is electrically inserted and connected;
A terminal and a board that electrically connects the second terminal are housed and fixed in a case, and the second terminal unit is
The body fixed to the case and the body
And the conversion connector and a said second terminal, said second terminal, a plate piece-like which is attached to the body
It is distributed to the opposite end of the mounting part and
Plate extending straight from the mounting part in the opposite direction
With a flaky contact piece and a platy bridge
And a plate-shaped soldering portion connected to the bridge portion and soldered to the substrate, wherein the bridge portion is bounded by a bent portion formed at an intermediate portion thereof. The first piece is deformable in the thickness direction on the contact piece side and the second piece is deformable and deformable in the thickness direction on the soldering part side. And those of them
Both the first piece and the second piece extend in the same direction,
Make the soldering part open angle perpendicular to the second piece
Bends and the bent part can be flexibly deformed,
The tip of the soldered part was formed on the substrate
A conversion connector characterized by being inserted into a through hole and soldered to the board . The attachment portion according to claim 2 wherein said second terminal, with plugged into slit-like terminal mounting holes formed in the body, is engaged with the hole wall of the upper Symbol mounting hole in the mounting portion 2. The conversion connector according to claim 1 , wherein the claw pieces are cut and raised . Wherein said second terminal unit, according to claim 1 or claim 2 which is a multi-terminal unit having a first second terminal much than the number of poles of the terminals of the first terminal unit Conversion connector. 4. The first terminal is a terminal corresponding to the terminal of the RGB connector which is the first terminal of the other party, and the second terminal is a terminal of the RCA connector which is the second terminal of the second party. Claim 1, Claim 2, Claim 3
Item 4. The conversion connector according to any one of Items 3 .