JP2002008789A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector allowing thinning of a plug. SOLUTION: Since an insulating board 11 having plural conductive parts 11a and 11b for electrically connecting the plug 10 to each cable 1 is so structured as to be fixed to a first cover member 12 formed of a metal plate, adequate strength can be kept even if the first cover member 12 is formed thin, and the plug 10 can be formed in an extremely thin shape. In this case, a flexible board is used for the board 11, a part of the board 11 is bent at one end of the first cover member 12, and the bent part is disposed toward the socket 20, so that the press-in to the respective terminals 21 on the socket 20 side is facilitated and a terminal of a catching structure having high electrical contact reliability such a tuning fork type can be used for each of the terminals 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

The present invention relates to a connector mainly used for small electric appliances such as a notebook personal computer and a mobile phone.

[0001]

2. Description of the Related Art Conventionally, a connector of this type generally includes a plug to which a plurality of coaxial cables are connected, and a socket to which the plug is detachably connected. For example, the connector described in Japanese Patent Application Laid-Open No. 2000-77123 has a tuning fork-type metal terminal on each of a plug and a socket, and is connected to each other by inserting a male terminal on the plug side into a female terminal on the socket side. It has become. Also, JP-A-11-261
The connector described in Japanese Patent Publication No. 03-203103 is configured such that a plug-side terminal is formed by bending a core wire of a cable into a U-shape, and the U-shaped terminal is inserted into the female terminal on the socket side. I have.

[0002]

By the way, recent notebook personal computers, portable telephones and the like tend to be more and more miniaturized, and connectors used for these electric products are also required to be miniaturized (particularly thin). ing.

However, in the conventional connector, since the terminal holding member is formed of a plastic component to insulate the terminal on the plug side, a sufficient thickness is required to ensure the strength of the plastic component. However, there is a problem that the plug cannot be made thin. When the plug body is covered with a metal cover, a sufficient space is provided between the cover and the inside of the plug body because a space is provided between the cable connection part and the cover for insulation. Therefore, it is difficult to reduce the thickness of such a structure.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a connector capable of reducing the thickness of a plug.

[0005]

According to the present invention, in order to achieve the above object, according to the present invention, there is provided a connector having a plug to which a plurality of cables are connected, and a socket to which the plug is detachably connected. The plug includes an insulating substrate having a plurality of conductive portions that can electrically contact the terminals on the socket side on the surface, and a metal plate to which the substrate is fixed. The core wires are electrically connected. Accordingly, since the plug side has a structure in which the insulating substrate having the conductive portion is fixed to the metal plate, sufficient strength can be maintained even if the metal plate is formed thin.

According to a second aspect of the present invention, in the connector according to the first aspect, the substrate is formed of a flexible member, a part of which is fixed to one surface of the metal plate, and the other part is formed of a flexible member. It is bent at one end of the metal plate and fixed to the other surface of the metal plate, and the bent portion is arranged facing the socket. Thus, in addition to the function of the first aspect, since the bent portion of the substrate is inserted into the socket side, for example, when a terminal having a sandwiching structure is used on the socket side, it is easy to press-fit the terminal.

According to a third aspect of the present invention, in the connector according to the first or second aspect, the core wire of each of the cables is connected to each conductive portion of the board via an anisotropic conductive film. Accordingly, in addition to the function of the first or second aspect, the thickness of the connection portion between the substrate and the core wire becomes extremely small by bonding with the anisotropic conductive film.

According to a fourth aspect of the present invention, there is provided the connector according to the first, second or third aspect, further comprising a metal plate which covers at least a part of the front surface of the substrate via an insulating member. Thereby, in addition to the effect of claim 1, 2 or 3,
Since the surface side of the substrate is covered with the metal plate via the insulating member, there is no need to provide a space for insulation between the substrate and the metal plate, and because the metal plate has sufficient strength,
It is possible to make the insulating member thin.

According to a fifth aspect of the present invention, in the connector according to the fourth aspect, the insulating member is provided with an engaging portion engageable with the socket. Thus, in addition to the function of the fourth aspect, since the engaging portion of the insulating member is engaged with the socket side, there is no need for a separate engaging component on the plug side.

According to claim 6, claims 1, 2, 3,
6. The connector according to 4 or 5, further comprising a pair of conductive plates sandwiching the outer conductor of each cable, and electrically connecting the metal plate and the conductive plate. Thereby, in addition to the effect of the first, second, third, fourth or fifth aspect, since the outer conductor of each cable is sandwiched by each conductive plate, the external force applied to the cable is absorbed by the sandwiched portion of each conductive plate. At the same time, the outer conductor of each cable is electrically connected to the metal plate via the conductive plate.

According to a seventh aspect of the present invention, in the connector according to the sixth aspect, a hole corresponding to a predetermined position of the conductive plate is provided in the metal plate. Thus, in addition to the function of claim 6, the outer conductor of each cable, each conductive plate, and the metal plate are connected to each other by joining the metal plate and each conductive plate with the solder or the conductive adhesive through the hole of the metal plate. Electrically secure integration.

[0012]

1 to 12 show one embodiment of the present invention. FIGS. 1 and 2 are side sectional views of a connector, FIGS. 3 to 9 are exploded perspective views of a plug, and FIGS. Is a perspective view of a plug, FIG. 11 is a perspective view of a socket, and FIG. 12 is a perspective view showing a connected state of the plug and the socket.

This connector includes a plug 10 to which a plurality of cables 1 are connected, and a socket 20 to which the plugs 10 are detachably connected. The cable 1 is composed of a core wire 1a and an external conductor 1b arranged around the core wire 1a. It is a coaxial shape.

The plug 10 includes a substrate 11 to which each cable 1 is connected, a first cover member 12 as one metal plate to which the substrate 11 is fixed, and another metal plate covering a part of the substrate 11. A second cover member 13 and an insulating member 14 disposed between the substrate 11 and the second cover member 13.
It is composed of

The substrate 11 is formed of a known flexible substrate having a small thickness, and has on its surface a first conductive portion 11a which contacts a terminal on the socket 20 side, and a core wire 1a of each cable 1.
Are connected to each other in the width direction. In this case, each of the first conductive portions 11a and each of the second conductive portions 11b are electrically connected to each other inside the substrate 11.

The first cover member 12 is made of a conductive metal plate such as stainless steel, and is formed by press working or the like. One end of the first cover member 12 (socket 2
0 side) is slightly concave toward the other end except for both ends in the width direction, and the other end and both ends in the width direction of the first cover member 12 are each bent upward in the figure. Also, the first
The cover member 12 has a plurality of holes 12 located on both sides in the width direction.
a is provided, and notches 12b are provided on both side surfaces of the first cover member 12, respectively.

The second cover member 13 is connected to the first cover member 12.
Like the above, it is made of a conductive metal plate and is formed by press working or the like. Both ends in the width direction of the second cover member 13 are bent downward, and locking pieces 13a extending toward the center in the width direction are provided at the bent portions, respectively. To be locked to the outer surface side. Also, the second cover member 1
3 is provided with a pair of holes 13b located on both sides in the width direction, and holes 13c engaging with the insulating member 14 are provided on both side surfaces thereof.

The insulating member 14 is formed in the shape of a flat plate and is made of an integrally molded plastic. The insulating member 14 has a pair of engaging portions 14a extending from both ends in the width direction on one end side toward the socket 20 side, and each of the engaging portions 14a is formed so that a front end portion can be locked to the socket 20 side. . Also, on both side surfaces of the insulating member 14, each hole 13c of the second cover member 13 is provided.
Are provided respectively with projections 14b which can be engaged with.

The plug 10 composed of the above components is assembled as follows.

First, as shown in FIG.
The substrate 11 is fixed to 2. In this case, a part of the substrate 11 (each conductive part 11a, 1
1b), the other portion of the substrate 11 is bent at one end of the first cover member 12 as shown in FIG. 4, and the first cover member 12 is bent as shown in FIG.
Is fixed to the lower surface side of. At that time, the back surface of the substrate 11 may be bonded to the first cover member 12 with an adhesive,
The back surface of the substrate 11 may be formed in an adhesive state in advance.

Next, each cable 1 is connected to the substrate 11 fixed to the first cover member 12 as described above. That is, each cable 1 exposes the core wire 1a, the insulating portion 1c, and the outer conductor 1b in order from the front end by a predetermined length, and is arranged in a line in the width direction. As shown in FIG. 6, each of these cables 1 has a core wire 1a connected to each second conductive portion 11b of the substrate 11 via a well-known thermosetting anisotropic conductive tape 15. That is, by crimping each core wire 1a to the anisotropic conductive tape 15, the conductive particles in the anisotropic conductive tape 15 contact each other only in the crimped portion of the core wire 1a,
Each core wire 1a and each second conductive portion 11b are electrically connected to each other in pairs. The outer conductor 1 b of each cable 1 is sandwiched between a pair of upper and lower conductive plates 16, and one conductive plate 16 is in contact with the inner surface of the first cover member 12. In this case, as shown in FIG. 7, the holes 12a of the first cover member 12 are located at both ends of one conductive plate 16, and the first cover member 12 and the conductive plate 16
Are connected to each other by solder or a conductive adhesive through the holes 12a from the outside of the device and are electrically connected to each other.

In this manner, as shown in FIG. 8, each cable 1, substrate 11, first cover member 12, and each conductive plate 1
6 is completed, as shown in FIG.
4 and the second cover member 13 are assembled. That is, the insulating member 14 is disposed on the front surface side of the substrate 11, and a portion of the substrate 11 except for the first conductive portions 11 a is covered with the insulating member 14. In addition, the second cover member 13 is the first cover member 1.
2, the first cover member 12 is inserted between the main body side of the second cover member 13 and each locking piece 13a. At this time, the first cover member 12
The projections 14b of the insulating member 14 protruding from the respective notches 12b are engaged with the holes 13c of the second cover member 13, and the second cover member 13 is fixed to the first cover member 12 via the insulating member 14. Is done. In this case, as shown in FIG. 10, the respective holes 13b of the second cover member 13 are located at both ends of the other conductive plate 16, and the second cover member 13 and the conductive plate 16
Are connected to each other by solder or a conductive adhesive from the outside of the second cover member 13 through the holes 13b and are electrically connected.

The socket 20 includes a plurality of terminals 21 connected to the plug 10 and an insulating member 2 for holding each terminal 21.
2 and a cover member 2 fixed to one end of the insulating member 22
3 and is mounted on a circuit board A of an electric product (not shown).

Each terminal 21 is a female terminal made of a conductive metal plate, and is formed in a so-called tuning fork type. That is, each terminal 21 has a bifurcated contact portion 21a on the front end side, and the rear end side is exposed to the outside of the insulating member 22 so as to be connected to the circuit of the circuit board A.

The insulating member 22 is made of an integrally molded plastic and fixes the terminals 21 at intervals in the width direction. Plugs 1 are provided on both sides of the insulating member 22 in the width direction.
An engagement hole 22a that can engage with each of the 0-side engagement portions 14a is provided.

The cover member 23 is made of a conductive metal plate such as stainless steel and is formed by press working or the like. One end of the cover member 23 is formed so that the tip end of the plug 10 can be inserted therein, and connection portions 23a connected to the ground circuit of the circuit board A are provided at both ends in the width direction.

In the connector constructed as described above, the plug 10 and the socket 2 are inserted as shown in FIG.
0 are connected to each other. At this time, as shown in FIG. 2, the bent portion of the board 11 on the plug 10 side is pressed into each terminal 21 on the socket 20 side, and the contact portion 21a of each terminal 21 is
1 is connected to the first conductive portion 11a and the core wire 1 of each cable 1
a is electrically connected to each terminal 21. In addition, the second cover member 13 on the plug 10 contacts the cover member 23 on the socket 20, and the outer conductor 1 b of each cable 1 is electrically connected to the cover member 23. In addition, plug 10
Each engagement portion 14a on the side is formed with each engagement hole 22a on the socket 20 side.
And the plug 10 is securely connected to the socket 20.

As described above, according to the connector of the present embodiment, the plug 10 is provided on the first cover member 1 made of a metal plate with the insulating substrate 11 having the plurality of conductive portions 11a and 11b.
2, it is possible to maintain sufficient strength even if the first cover member 12 is formed thin, and
0 can be formed extremely thin.

Further, since a flexible substrate is used as the substrate 11, a part of the substrate 11 is bent at one end of the first cover member 12, and the bent portion is arranged toward the socket 20. Each terminal 21 can be easily press-fitted into each terminal 21 and a pinching structure having high electrical contact reliability such as a tuning fork type can be used for each terminal 21.

Further, the core wire 1a of each cable 1 and the substrate 11
Are connected to each other via the thermosetting anisotropic conductive tape 15, so that the thickness of the connection portion between the substrate 11 and the core wire 1a is extremely small by the anisotropic conductive tape 15. This is advantageous for reducing the thickness of the plug 10. In this case, since the connection is completed by the pressure bonding of the core wire 1a and the thermosetting of the anisotropic conductive tape 15, the time required for the connection step can be greatly reduced, and the productivity can be improved.

The connection portion of the substrate 11 is connected to the insulating member 14.
Since the second cover member 13 is covered with the metal, the second cover member 13 can be formed thin by the strength of the metal, and the second cover member 13 has sufficient strength because of the sufficient strength of the second cover member 13. The member 14 can also be made thinner, which is advantageous for making the plug 10 thinner. In this case, since the connection portion of the core wire 1a is covered with the insulating member 14,
There is no need to provide a sufficient space for insulation between the substrate 11 and the second cover member 13, which is more advantageous for reducing the thickness of the plug 10.

Further, since the insulating member 14 is provided with the engaging portion 14a that engages with the socket 20, the plug 10 does not require a separate component for socket engagement, thereby reducing the number of components. .

Further, since the outer conductor 1b of each cable 1 is sandwiched between the pair of conductive plates 16, the external force applied to the cable 1 can be absorbed by the sandwiched portion of each conductive plate 16, and the connection strength is weak. The influence of external force on the core wire 1a side can be extremely reduced. Also, the outer conductor 1
Since “b” is sandwiched by the respective conductive plates 16, the respective cover members 12 and 13 and the respective conductive plates 16 can be reliably conducted. In this case, holes 12a, 13 corresponding to both ends of each conductive plate 16 are formed in each of the cover members 12, 13, respectively.
b, each conductive plate 16 and each cover member 12, 1
3 are joined by solder or the like through the respective holes 12a and 13b, so that the outer conductor 1b of each cable 1 and each conductive plate 16
In addition, the cover members 12 and 13 can be electrically and integrally integrated with each other. As a result, the ground circuit becomes more reliable, the shielding effect is improved, and a connector optimal for high-speed signal transmission can be realized.

[0034]

As described above, according to the connector of the first aspect, since the plug can be formed extremely thin, it can be sufficiently used for miniaturized electric products such as recent notebook personal computers and portable telephones. Can respond.

According to the connector of the second aspect, in addition to the effect of the first aspect, even if a terminal having a sandwiching structure is used on the socket side, for example, press-fitting to the terminal can be easily performed. Therefore, a terminal having high electrical contact reliability such as a tuning fork type can be used on the socket side.

According to the connector of the third aspect, in addition to the effect of the first or second aspect, the thickness of the connection portion between the board and the core wire of the cable can be extremely reduced.
This is advantageous for reducing the thickness of the plug, and can significantly reduce the time required for the connection step, thereby improving productivity.

According to the connector of the fourth aspect, in addition to the effects of the first, second or third aspect, there is no need to provide a space for insulation between the substrate and the metal plate, and the strength of the metal plate is further reduced. Accordingly, the thickness of the insulating member can be reduced, which is more advantageous for reducing the thickness of the plug.

Further, according to the connector of the fifth aspect, in addition to the effect of the fourth aspect, since a dedicated component for socket engagement is not separately required on the plug side, the number of components can be reduced.

According to the connector of the sixth aspect, in addition to the effects of the first, second, third, fourth, or fifth aspect, since the external force applied to the cable can be absorbed, the connector can be connected to the side of the core having a weak connection strength. Of the plug can be extremely reduced, and the durability of the plug can be improved. Also,
Since the metal plate and the external conductor of the cable can be reliably conducted, it is extremely advantageous when, for example, the metal plate is connected to the ground electrode on the socket side.

According to the connector of the seventh aspect, in addition to the effect of the sixth aspect, the metal plate and each conductive plate can be securely joined by solder, conductive adhesive, or the like. The outer conductor, the respective conductive plates and the metal plate can be electrically and reliably integrated with each other. As a result, for example, the ground circuit can be made more reliable, the shielding effect can be improved, and a connector optimal for high-speed signal transmission can be realized.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a connector showing one embodiment of the present invention.

FIG. 2 is a side sectional view of the connector showing a connection state of a plug and a socket.

FIG. 3 is an exploded perspective view of a plug.

FIG. 4 is an exploded perspective view of a plug.

FIG. 5 is an exploded perspective view of a plug.

FIG. 6 is an exploded perspective view of a plug.

FIG. 7 is an exploded perspective view of a plug.

FIG. 8 is an exploded perspective view of a plug.

FIG. 9 is an exploded perspective view of a plug.

FIG. 10 is a perspective view of a plug.

FIG. 11 is a perspective view of a socket.

FIG. 12 is a perspective view showing a connection state of a plug and a socket.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Cable, 1a ... Core wire, 1b ... Outer conductor, 10 ... Plug, 11 ... Substrate, 11a ... First conductive part, 11b ... Second
Conductive part, 12: first cover member, 12a: hole, 13: second cover member, 13b: hole, 14: insulating member, 14a ...
Engaging portion, 15: anisotropic conductive tape, 16: conductive plate, 20
... Socket, 21 ... Terminal.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) // H01R 107: 00 H01R 23/02 E 23/66 E (72) Inventor Fumi Kitayama Takatsu, Kawasaki City, Kanagawa Prefecture 2-35-8, Kitamikata-ku, Tokyo F-term (reference) in Iriso Electronics Industries Co., Ltd. HH22 HH24 HH28 HH30 5E077 BB08 BB09 BB23 DD17 EE12 FF24 GG13 GG17 GG25 HH09 JJ10 JJ16 JJ17 JJ21

Claims (7)

[Claims] 1. A connector comprising: a plug to which a plurality of cables are connected; and a socket to which the plug is detachably connected. A connector comprising: an insulating substrate having a portion; and a metal plate to which the substrate is fixed, wherein the core wires of the respective cables are respectively made to conduct to the respective conductive portions of the substrate. 2. The method according to claim 1, wherein the substrate is formed of a flexible member, a part of which is fixed to one surface of the metal plate, and another part is bent at one end of the metal plate to form the other part of the metal plate. 2. The connector according to claim 1, wherein the connector is fixed to a surface, and a bent portion thereof is arranged toward the socket. 3. The connector according to claim 1, wherein a core wire of each of the cables is connected to each conductive portion of the board via an anisotropic conductive film. 4. The connector according to claim 1, further comprising a metal plate that covers at least a part of the front surface side of the substrate via an insulating member. 5. The connector according to claim 4, wherein said insulating member is provided with an engagement portion engageable with a socket side. 6. A metal plate and a conductive plate are provided, and a pair of conductive plates sandwiching an outer conductor of each cable is provided, and the metal plate and the conductive plate are electrically connected. 5. The connector according to 5. 7. The connector according to claim 6, wherein a hole corresponding to a predetermined position of the conductive plate is provided in the metal plate.