JP2530485Y2 - Coaxial ribbon cable connector - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coaxial ribbon cable connector.

[0002]

2. Description of the Related Art As a conventional connector of this type, a technique disclosed in Japanese Utility Model Laid-Open Publication No. 56-86771 is known. According to this disclosed technique, the ground level of each signal is equal in the connector because the shielded wires of the cable are collectively soldered to the solder plate.

[0003]

However, this coaxial ribbon cable connector has a problem in that it cannot be used with a ground independent type due to the above configuration.

Further, another coaxial ribbon cable connector has a problem that it cannot cope with a common ground type (common type) because a drain wire of the cable is pressed against each ground terminal.

The present invention has been made to solve the above problems, and an object of the present invention is to make it possible to manufacture a common mode or independent mode coaxial ribbon connector only by changing a shield terminal. is there.

[0006]

In order to achieve the above-mentioned object, the present invention provides a cable-side connector in which a signal terminal connected to a signal line of a cable and a ground terminal connected to a drain line of the cable are insulated. It is the opposite sides of the partition wall portion, between the signal adjacent terminals, predetermined bending
And a shield terminal having a short-circuit portion bent at the bending position is interposed, and the shield terminal is adjacent to the shield terminal at the short-circuit portion.
And common-mode said shield terminal that fits Ri by contacting the shield terminal adjacent <br/> shorted to the ground terminal
And, between the adjacent signal terminals, the predetermined bending position is
Another case with a short circuit bent at another bending position
The Rudo terminal is interposed, it is separated the shield terminal adjacent to each other <br/> physician, characterized in that as an independent mode.

[0007]

By the action Such arrangement, shorting the respective ground terminals are brought into contact with the shield terminal adjacent by incorporating shield terminals bent a short portion of the shield terminal at a predetermined bending positions from each other in the case of common mode By
In the case of the independent mode,
By independently each ground terminal of the shield terminal is separated from each other adjacent by incorporating shielding terminal is bent in a different folding position from the predetermined bending position
Can be configured.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a coaxial ribbon cable, and FIG.
1 is a sectional view of a coaxial ribbon cable connector according to the present invention.

As shown in FIG. 1, a coaxial ribbon cable 11 is formed by wrapping a signal line 17 composed of a central conductor 13 covered with a dielectric 12 and a drain line 14 together with a copper foil shield 15 to form a single shielded electric wire. The shielded wires are arranged side by side and covered with a jacket 16.

The coaxial ribbon cable connector 1 comprises a cable-side connector 2 and a board-side connector 3. The cable-side connector 2 is generally insulated from an insulating case 4, left and right cover members 5, 6 and a clamp member 7. Case 4
And several other signal terminals 8, ground terminals 9, and shield terminals 10.

As shown in FIGS. 6 to 9, the left cover member 5 has a cover body 5a made of a rectangular cubic resin block, and a signal line engaging groove is formed at the tip of the cover body 5a. 18 and the drain wire engaging groove 19 are formed alternately, the signal line engaging groove 18 has a terminal tip inserting hole 18a, and the drain line engaging groove 19 has a terminal tip inserting hole 19a.
a are formed respectively. And the engagement piece part 20 is provided in the left and right of the cover main body 5a. As shown in FIGS. 10 to 13, the right cover member 6 has a cover body 6a made of a rectangular cubic resin block, and a signal line engaging groove 21 is formed at the tip of the cover body 6a.
And the drain line engaging groove 22 are alternately formed. The signal line engaging groove 21 has a terminal tip insertion hole 21a, and the drain line engaging groove 22 has a terminal tip insertion hole 22a. . An engagement groove 23 is formed on the left and right sides of the cover body 6a.

The coaxial ribbon cable 11 is sandwiched between the right and left cover members 5 and 6 with the shielded electric wire 17 exposed except for the jacket 16 at the end of the coaxial ribbon cable 11 and the copper foil shield 15 removed. Attached
The engagement pieces 20 of the left cover member 5 are engaged with the engagement grooves 23 of the right cover member 6 to connect the two cover members 5 and 6 to each other, and sandwich the coaxial ribbon cable 11. In the state where the two cover members 5 and 6 are combined as described above, the signal line engaging groove 18 is formed.
And the drain line engaging groove 22 face each other, and the signal line engaging groove 2
1 and the drain wire engaging groove 19 face each other. Therefore, in one shielded electric wire, the signal line 17 is bent along the signal line engaging groove 18, the drain line 14 is bent along the drain line engaging groove 22, and the adjacent shielded electric wire is bent. In (2), the signal line 17 is bent along the signal line engaging groove 21, and the drain line 14 is bent along the drain line engaging groove 19. Therefore, the signal line 17 and the drain line 14 are connected to the cover members 5 and 6.
Are arranged alternately along the longitudinal direction.

Further, the insulating case 4 is made of a material as shown in FIGS.
As shown in FIG. 1, a case body 25 made of a rectangular cubic resin block is provided, and a rectangular fitting recess 26 is formed on the front surface (front surface) of the case body 25. The fitting recess 26
A terminal holding portion 27 is formed so as to protrude along the longitudinal direction. A rectangular recess 2 is provided on the rear surface of the case body 25.
A signal terminal mounting hole 29 and a ground terminal mounting hole 30 are formed in the concave portion 28 so as to face each other with the terminal holding portion 27 as a boundary.
Reference numerals 9 and 30 extend to both side surfaces of the terminal holding portion 27. A large number of signal terminal mounting holes 29 and ground terminal mounting holes 30 are formed in a staggered arrangement at a predetermined pitch in the longitudinal direction of the case main body 25. In addition, recess 2
6, when a pair of opposing signal terminal mounting holes 29 and ground terminal mounting holes 30 is formed as a pair, shield terminal mounting holes 31 are formed between adjacent pairs. The mounting holes 31 extend to both side surfaces of the terminal holding portion 27.

The signal terminal mounting hole 2 of the insulating case 4
The signal terminal 8 is mounted on the ground terminal 9, the ground terminal 9 is mounted on the ground terminal mounting hole 30, and the shield terminal 10 is mounted on the shield terminal mounting hole 31.

That is, as shown in FIGS. 18 and 19, the signal terminal 8 is bent in a crank shape at an intermediate portion thereof, and one linear portion is formed as a press contact portion 8a, and the other linear portion 8b is formed at the intermediate portion. The portion is slightly bent outward to provide spring properties, and a press-fit portion 8c is formed at a base portion thereof, and a contact portion 8d is formed at an end portion. Then, the signal terminal 8 is mounted by press-fitting the press-fit portion 8c into the signal terminal mounting hole 29. In this case, the press contact portion 8a is
, And the linear portion 8b is attached to the side surface of the terminal holding portion 27.

As shown in FIGS. 20 and 21, the ground terminal 9 is bent in a crank shape at an intermediate portion thereof, and one linear portion is formed as a press contact portion 9a, and the other linear portion 9b is formed at the intermediate portion. The portion is slightly bent outward to provide spring properties, and a press-fit portion 9c is formed at a base portion thereof, and an erosion portion 9d is formed at an end portion. Then, the press-fitting portion 9c is press-fitted into the ground terminal mounting hole 30, and the ground terminal 9 is mounted. In this case, the press contact portion 9a protrudes above the concave portion 26, the linear portion 9b is attached to the side surface of the terminal holding portion 27, and has a thickness h between the signal terminal 8 and the linear portion 8b. The partition part 4a is interposed. That is, the linear portion 8b of the signal terminal 8 and the linear portion 9b of the ground terminal 9 are opposed to each other with the partition wall portion 4a of the insulating case 4 interposed therebetween, thereby forming a microstrip line between the signal terminal and the ground terminal.

The shield terminal 10 has a plate-shaped shield body 10a as shown in FIGS. 22 and 23. The shield body 10a has a press-fit portion 10b formed therein. Is formed with a short-circuit portion 10c substantially perpendicular to the shield body 10a. Then, the press-fitting portion 10b is press-fitted into the shield terminal mounting hole 31, and the shield terminal 10 is mounted. In this case, the short-circuit portion 10c is in contact with the ground terminal 9, and the shield terminal 10 is located between adjacent signal terminals 8 to prevent crosstalk between the signal terminals 8.

The shield terminal 10 is shown in FIG.
As shown in (b), the adjacent ones are in contact with each other at the bent portion of the base of the short-circuit portion 10c, and the ground terminals 9 are in contact with each other via the shield terminals 10 to form a common mode.

As described above, the distal ends of the cover members 5 and 6 to which the coaxial ribbon cable 11 is attached are fitted into the concave portions 26 of the insulating case 4 to which the terminals 8, 9 and 10 are attached. The signal wire 17 is pressed against the portion 8a, the drain wire 14 is pressed against the press contact portion 9a of the ground terminal 9, the signal wire 17 of the shielded wire is connected to the signal terminal 8, and the drain wire 14 is connected to the ground terminal 9. And the cable-side connector 2.

The board-side connector 3 generally includes an insulating case 33, a large number of signal terminals 43, ground terminals 44, and shield terminals 45.

As shown in FIGS. 24 to 27, the insulating case 33 has a case body 37 made of a rectangular cubic resin block, and a rectangular fitting recess is formed on the front surface (front face) of the case body 37. 38 are formed.
A signal terminal mounting hole 39 and a ground terminal mounting hole 40 are formed in the fitting recess 38 so as to face each other, and these mounting holes 39 and 40 extend to the lower side surface. And
A large number of signal terminal mounting holes 39 and ground terminal mounting holes 40 are formed in a staggered arrangement at predetermined pitch intervals in the longitudinal direction of the case main body 37. Also, in the fitting concave portion 39,
Opposite signal terminal mounting hole 39 and ground terminal mounting hole 4
When one set is 0, shield terminal mounting holes 41 are formed between adjacent pairs, and these shield terminal mounting holes 41 extend to the lower side surface.

The signal terminal 43 is mounted in the signal terminal mounting hole 39 of the insulating case 33, the ground terminal 44 is mounted in the ground terminal mounting hole 40, and the shield terminal 45 is mounted in the shield terminal mounting hole 41. .

That is, as shown in FIG. 29, the signal terminal 43 is bent in the shape of a crank at an intermediate portion thereof, the leading end of one of the linear portions 43a is formed as a contact portion 43b, and the other linear portion 43c is formed as a contact. The leg portion 43d is formed with a press-fit portion 43e. Then, the press-fitting portion 43e is press-fitted into the signal terminal mounting hole 39 and the signal terminal 43 is pressed.
Is installed. In this case, the linear portion 43a is attached to the side surface portion 39a of the signal terminal mounting hole 39.

As shown in FIG. 29, the ground terminal 44 is bent in a crank shape at an intermediate portion thereof. One of the straight portions 44a is formed into a contact portion 44b, and the other straight portion 44c is formed as a contact portion. The leg portion 44d is formed, and a press-fit portion 44e is formed on the leg portion 44d. Then, the press-fitting portion 44e is press-fitted into the ground terminal mounting hole 40, and the ground terminal 44 is mounted. In this case, the straight portion 44a is attached to the side surface portion 40a of the ground terminal mounting hole 40, and a partition wall portion 37a having a thickness h is interposed between the straight portion 44a and the straight portion 39a of the signal terminal 39.

As shown in FIG. 29, the shield terminal 45 is bent in a crank shape at an intermediate portion thereof, and the leading end of one of the linear portions 45a is formed as a contact portion 45b. It is slightly bent outward at the intermediate portion to provide springiness. The other straight portion 45c is formed into a leg 45d, and a press-fit portion 45e is formed in the leg 45d. Then, the press-fitting portion 45e is press-fitted into the shield terminal mounting hole 41, and the shield terminal 45 is mounted.

The board-side connector 3 configured as above is
Legs 43d, 44d, 45d of the terminals 43, 44, 45
After being inserted into the through hole 47 of the board 46, it is soldered and mounted on the board 46.

Next, the connection between the cable side connector 2 and the board side connector 3 will be described.

The cable side connector 2 is replaced with the board side connector 3
And the contact portion 8d of the signal terminal 8 of the cable side connector 2 comes into contact with the contact portion 43b of the signal terminal 43 of the board side connector 3, and the contact portion 9d of the ground terminal 9 of the cable side connector 2 It contacts the contact portion 44b of the ground terminal 44 of the board-side connector 3. At the same time,
The side edge of the shield terminal 10 of the cable side connector 2 is
It contacts the contact portion 45b of the shield terminal 45 of the board-side connector 3.

In the case of the common mode, the shield terminal 10
28 (b), the adjacent shield terminals 10 are brought into contact by incorporating the shield terminals 10 bent at the positions of the folding curves a as shown in FIG. 28 (b). As shown in (b), by incorporating the shield terminal 10 bent at the position of the bending curve b, the adjacent shield terminals 10 are separated from each other to make each ground terminal 9 independent.

[0031]

As described above, according to the present invention, in the cable connector, the signal terminal to which the signal line of the cable is connected and the ground terminal to which the drain line of the cable is connected are sandwiched between the insulating case partition walls. Facing and adjoining
Between the signal terminals, bent at a predetermined bending position
The shield terminal having a short circuit portion with the intervention, the
In front of the adjacent shield terminal at the short-circuit part of the shield terminal
Serial to <br/> contacting the shield terminal adjacent short-circuited to the ground terminal and the common mode, between the signal terminals adjacent
At a different bending position from the predetermined bending position.
It is interposed another shield terminal having a short-circuit portion which, by the so is separated the shield terminals adjacent to <br/> independent mode, if the common mode,
The short-circuited part of the shield terminal is bent at a predetermined bending position.
Adjacent shield terminals by incorporating a shield terminal
To short-circuit each ground terminal to each other.
More independent, and in independent mode
Are bent at a different bending position from the predetermined bending position.
Adjacent shield terminals by incorporating a shield terminal
Are separated from each other to make each ground terminal independent.
Can be configured. In this way, the common mode and independent mode coaxial ribbon cable
Cable connectors can be manufactured.

[Brief description of the drawings]

FIG. 1 is a perspective view of a coaxial ribbon cable.

FIG. 2 is a sectional view of the coaxial ribbon connector according to the present invention.

FIG. 3 is a plan view of a cable-side connector of the coaxial ribbon cable connector.

FIG. 4 is a front view of the cable-side connector.

FIG. 5 is a sectional view taken along the line AA of FIG. 3;

FIG. 6 is a plan view of a cover member.

FIG. 7 is a front view of the cover member.

FIG. 8 is a sectional view taken along the line BB in FIG. 6;

FIG. 9 is an enlarged view of a part shown in FIG. 6C.

FIG. 10 is a plan view of a cover member.

FIG. 11 is a front view of the cover member.

FIG. 12 is a cross-sectional view along the line DD in FIG. 10;

FIG. 13 is an enlarged view of a portion shown in FIG. 11E.

FIG. 14 is a plan view of an insulating case.

FIG. 15 is a front view of the insulating case.

FIG. 16 is a sectional view taken along the line FFF of FIG. 15;

FIG. 17 is a sectional view taken along the line G-G in FIG. 15;

FIG. 18 is a front view of a signal terminal.

FIG. 19 is a side view of the signal terminal.

FIG. 20 is a front view of a ground terminal.

FIG. 21 is a side view of the ground terminal.

FIG. 22 is a front view of the shield terminal.

FIG. 23 is a side view of the shield terminal.

FIG. 24 is a plan view of an insulating case of the board-side connector.

FIG. 25 is a front view of the insulating case.

FIG. 26 is a sectional view taken along the line HH of FIG. 25;

FIG. 27 is a sectional view taken along lines II-I of FIG. 25;

FIG. 28A is a plan view showing a common pattern in an arrangement relationship among a signal terminal, a ground terminal, and a shield terminal. (B) is an explanatory view of a bent curve in the shield terminal.

FIG. 29 is a cross-sectional view of FIG. 28J-J.

FIG. 30A is a plan view showing an independent pattern in an arrangement relationship among a signal terminal, a ground terminal, and a shield terminal. (B) is an explanatory view of a bent curve in the shield terminal.

[Explanation of symbols]

 2 Cable side connector 3 Board side connector 8 Signal terminal 9 Ground terminal 10 Shield terminal

Claims (1)

(57) [Scope of request for utility model registration] 1. A cable connector, and a ground terminal connected to the drain line of the signal terminal and the cable connected to the signal wire of the cable is opposed across the partition wall portion of the insulating case, between the signal adjacent terminals , Predetermined bending
A shield terminal having a short-circuit portion bent at a position is interposed, and the shield terminal is adjacent to the shield terminal at the short-circuit portion.
Fit said shield terminals are brought into contact with the Shiruto terminals shorted fit Ri next <br/> to the ground terminal and the common mode
And, between the adjacent signal terminals, the predetermined bending position is
Another case with a short circuit bent at another bending position
The Rudo terminal is interposed, the connector for a coaxial ribbon cable, characterized in that said the shield terminal as an independent mode is separated into each other <br/> physician adjacent.