JPH07201385A - Connector - Google Patents

Abstract

PURPOSE:To realize surface mounting by dispersedly arranging connection leads to a printed board. CONSTITUTION:A connector is composed of a main body part 4 wherein a member-to-be-mounted 5 is to be mounted, two base board mounting parts 1 wherein a connection lead 1b part to a printed board 2 is separated, and a flexible cable 3 linking these mounting parts 1 and the main body part 4. The mounting parts 1 are constituted so that a terminal member 1d can be halved in accordance with card insertion ports at upper and lower stages to be mounted on the board 2 to be arrayed on the side edge of the main body part 4. Each mounting part 1 is formed by insulating material to retain the terminal member 1d onto an upper surface. Moreover, the member 1d of the mounting part 1 has the connection lead 1b to be surface-mounted on the board 2 on one end and contacts 1f for contacting the cable 3 on the other end, and the contacts 1f are arranged in a line on the cable connection part 1g of housing 1a. The cable 3 has contact parts 3a on both ends so that one end edge and the other end edge can be connected to the mounting part 1 and a conductor part pitch is widened at the main body part 4 and is narrowed on the mounting part 1 side.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art FIG. 13 shows a conventional connector. In this conventional example, the connector is a card connector for mounting an IC card, and is provided with housings 11 for accommodating the cards in two upper and lower stages.

A housing 11 holds a plurality of terminal members 12, 12 ... Having one end having a pin contact 12a to be inserted into a contact of an IC card, and a print formed on the other end of each terminal member 12. The bonding leads 12b to the board 2 are inserted into the through holes of the printed board 2 and soldered.

Further, another connector is shown in FIG. This connector can be used for flexible printed wiring boards, tape electric wires, CICs (Conductive Ink Circuits).
ZIF (Z) for connecting flexible cables such as
is an ero Insertion Force type connector, and is composed of a housing 11 that holds a plurality of terminal members 13, 13, ..., And a slider portion 14.

The housing 11 has a holding portion 11a into which a holding piece 13a formed on the terminal member 13 is fitted, and a contact 13 between the flexible cable 3 of the terminal member 13.
and a space portion 15 that accommodates b.
The protrusion 14a formed on the slider portion 14 is inserted.

The slider portion 14 has a holding plate 14c having an insertion port 14b into which the flexible cable 3 is inserted, and the protruding portion 14a is provided so as to project from the back surface of the holding plate 14c. The protruding portion 14 a is arranged so as to face the contact surface 13 c of the terminal member 13 in a state of being inserted into the space portion 15 of the housing 11.

Under such a configuration, the flexible cable 3
To mount the flexible cable 3 into the space 15 of the housing 11 through the insertion port 14b, the slider portion 14 is pushed downward, and the contact portion 3a of the flexible cable 3 is connected to the terminal member 13 by the protrusion 14a.
It is pressed against the contact surface side 13c of (1) and is brought into pressure contact.

[0008]

However, in the conventional example shown in FIG. 13, the bonding lead 1 to the printed circuit board 2 is used.
Since 2b, 12b, ... Are concentrated on one side of the housing 11, surface mounting is difficult due to the following reasons, and double-sided mounting is not possible.

That is, the bonding leads 12b, 12b ...
13B, it is necessary to arrange the joining leads 12b, 12b, ... In multiple stages and widen the distance between the pins. However, in this state, the joining leads 12b, 12b. When 12b, 12b ... Are surface-mounted, one of the bonding lead rows arranged inside is arranged inside another bonding lead row.
Or confirmation becomes difficult.

Further, in the conventional example shown in FIG. 14, the flexible cable 3 is constructed so as to be inserted from the gap 15a between the projecting portion 14a and the contact surface 13c of the terminal member 13, and the slider portion 14 is in the unlocked state. However, since the flexible cable 3 is not completely retracted from the insertion path, the contact portion 3a of the flexible cable 3 slides into contact with the contact surface 13c of the terminal member 13 when the flexible cable 3 is inserted and removed from the connector.
In particular, in the flexible cable 3 such as CIC having a weak conductor portion, the contact portion 3a is peeled off, resulting in a short life.

The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide a connector capable of surface mounting by disposing joint leads on a printed circuit board in a distributed manner.

Another object of the present invention is to extend the life of the flexible cable.

[0013]

The above object of the present invention is, as shown in FIG. 1, a main body portion 4 of a board mounting portion 1 in which a connecting lead 1b, 1b, ... To a printed board 2 is held in a housing 1a. And the main body 4 and the board mounting portion 1 are connected by the flexible cable 3 to form the joining leads 1b, 1
This is accomplished by providing a connector that prevents the centralized placement of b ...

A second object of the present invention is, as shown in FIG. 11, a joint lead 9aa to the printed board 2 at one end.
, Which holds a plurality of terminal members 9a, 9a ... Having a contact 9ab with the flexible cable 3 at the other end, and vertically slidably mounted on the main body 9 for vertical sliding operation. .. by elastically deforming the terminal members 9a, 9a ... By pressing the contacts 9ab, 9ab ..
The slider portion 10 accommodates the contact 9ab of each terminal member 9a, and presses the back surface of the contact 9ab of each terminal member 9a in accordance with the downward sliding operation to contact the contact 9ab. This is achieved by providing a connector in which an accommodating recess 10a having an inclined wall surface 10f that is pressed against the flexible cable 3 is provided.

[0015]

In the present invention, since the board mounting portion 1 connected to the main body portion 4 via the flexible cable 3 is separated from the main body portion 4 and is independent, the bonding leads 1b, 1b in the board mounting portion 1 are independent. The arrangement of .. can be freely arranged without being restricted by the arrangement of the terminal members 4b, 4b of the main body portion 4, and can be rearranged into a terminal arrangement that enables surface mounting.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. 1 and 2 show the connector of the present invention. This embodiment is an IC card connector,
A main body portion 4 on which an IC card serving as a connected member 5 is mounted,
The two leads 1b, 1b ... Connecting the leads 1b to the printed circuit board 2 ...
And a flexible cable 3 that connects the main body 4 and the main body 4.

The main body portion 4 includes a housing 4d made of an insulating material, a plurality of terminal members 4b, 4b, ... Held by the housing 4d, and a slider portion mounted on the housing 4d so as to be vertically slidable. 4c.

On the front surface of the housing 4d, there are provided card insertion openings 5a divided into two upper and lower sections by the guide walls 4e and 4e so that the IC cards 5 and 5 can be mounted in the upper and lower sections. A cable connecting portion 4f for inserting the flexible cable 3 is provided on the rear upper surface.

The terminal member 4b has a pin contact portion 4ba which is inserted into a connection hole of the IC card 5 (not shown) at one end and a contact 4bb which comes into contact with the contact portion 3a of the flexible cable 3 at the other end.
The contact 4bb and the pin contact portion 4ba are juxtaposed to the cable connecting portion 4f and the insertion opening 5a of the IC card 5, respectively.

The slider portion 4c is mounted on the cable connecting portion 4f of the housing 4d. An insertion opening 1 for inserting the flexible cable 3 into the slider portion 4c.
c is opened, and after inserting the flexible cable 3 into the cable connecting portion 4f of the housing 4d from the insertion opening 1c, the slider portion 4c is pushed down,
The contact 4bb of the terminal member 4b is brought into pressure contact with the contact portion 3a of the flexible cable 3.

In the main body 4 constructed as described above, the positioning boss 16 projecting from the bottom wall of the housing 4d is inserted into the positioning hole 17 of the printed circuit board 2, and the fixing screw 18 is provided.
It is fixed to the printed circuit board 2 (see FIG. 2).

On the other hand, the board mounting portion 1 is constructed so that the terminal member 1d can be mounted on the printed board 2 by dividing the terminal member 1d into two parts corresponding to the upper and lower card insertion openings 5a, 5a. They are arranged along the edge of the part 4.

Each board mounting portion 1 is formed of an insulating material,
It is formed by holding a plurality of terminal members 1d, 1d ... In a housing 1a having a cable connecting portion 1g on its upper surface.
A slider portion 1e similar to that used for the main body portion 4 described above is mounted on the housing 1a so as to be vertically slidable.

Further, the terminal member 1d of the board mounting portion 1
Has a connecting lead 1b for surface mounting on the printed circuit board 2 at one end and a contact 1f for contacting the flexible cable 3 at the other end, so that the contact 1f can be aligned with the cable connecting portion 1g of the housing 1a. Will be placed.

As the flexible cable 3, a flexible printed wiring board, a tape electric wire, a CIC (Cond)
The active Ink Circuit) is used. The illustrated example shows the case where a flexible printed wiring board is used, and one end edge can be connected to the board mounting portion 1 and the other end edge can be connected to the main body portion 4. The conductor pitch is wide in the main body portion 4 and narrow in the board mounting portion 1 side.

Therefore, in this embodiment, in mounting the connector on the printed circuit board 2, first, the main body 4 is fixed onto the printed circuit board 2, and the bonding leads 1b, 1b, ... After soldering to 2, the main body portion 4 and the board mounting portion 1 are connected by the flexible cable 3.

In FIG. 1, the board mounting portion 1 is
Although it is arranged along the edge of the main body portion 4, it may be mounted at an appropriate position on the printed circuit board 2 as shown in FIG.
Further, if it is necessary to form the main body portion 4 so that the IC card 5 having three or more stages can be mounted, or if it is necessary to form a pattern on the printed board 2, the joining lead 1 of the connector can be formed.
It is possible to divide not only b, 1b, ... Into two board mounting parts 1 and 1 as shown, but also to divide into a larger number.

The cable connecting portion 4f of the main body 4 is also
As shown in FIG. 4, the insertion direction of the flexible cable 3 may be horizontal with respect to the mounting surface of the printed circuit board 2 in addition to the upward opening.

FIG. 5 shows a second embodiment of the present invention. In this embodiment, only a part of the joining leads 1b, 1b ... Of the connector (in the example shown, the joining leads 1b, 1b ... corresponding to the IC card 5 mounted in the upper stage) is separated from the main body 4. .. corresponding to the IC card 5 mounted in the lower stage are fixed to the main body 4, and the separated bonding leads 1b, 1b.
As in the above-described embodiment, the bonding leads 1b, 1b, ... Are arranged in the vicinity of the main body 4.

In this case, needless to say, as described above, as shown in FIG. 6, the insertion direction of the flexible cable 3 may be horizontal with respect to the mounting surface of the printed circuit board 2.

Further, in the above embodiments, the flexible cable 3 is shown to be connected to the terminal members 4b and 4b by using the slider portion 1e, but the flexible cable 3 is not limited to this and, for example, FIG. As shown in FIG. 5, the contact member 4b of the terminal member 4b and the contact portion 3a of the flexible cable 3 are rotatably supported by the housing 4d.
You may make it contact by pushing by.

Although FIG. 7 shows the case where it is applied to the main body portion 4 of the second embodiment, it can also be applied to the first embodiment, and further, the board mounting portion 1 It is also possible to apply to.

FIG. 8 shows a third embodiment of the present invention. The connector according to this embodiment has a card insertion slot 19 on the front surface.
19 are formed. First and second terminal groups 6A and 6B are arranged on the back side of the card insertion slot 19, and a third terminal group 6C is arranged on the wall surface orthogonal to the first and second terminal groups 6A and 6B.

A terminal member 6a constituting the first terminal group 6A
.. are formed with pin contacts 6ac to which the IC cards 5 and 5 are connected at one end and bonding leads 6aa to the printed circuit board 2 at the other end, and constitute a second terminal group 6B. The terminal member 6bb is formed with a pin contact 6ba at one end and a contact 6bc with the flexible cable 3 at the other end.

On the other hand, the terminal member 6cc which constitutes the third terminal group 6C is formed with a joining lead 6ca at one end and a contact 6cb with the flexible cable 3 at the other end, and the terminals of the second terminal group 6B. The member 6bb and the terminal member 6cc of the third terminal group 6c are connected by the flexible cable 3.

Therefore, in this embodiment, the joining leads to the printed circuit board 2 are dispersed in the orthogonal edges of the connector, so that concentration can be avoided. Although the connector housing 6 is integrally formed in FIG. 8, as shown in FIG. 9, the first and second terminal groups 6A,
6B and a first housing 7 and a third terminal group 6
It is also possible to form by connecting with the second housing 8 holding C, and by constructing in this way, manufacturing, especially the structure of the mold can be simplified.

10 and 12 show the fourth embodiment of the present invention. The connector in this embodiment is made of an insulating material and has a box shape, and includes a main body portion 9 having an opening at the top, and a slider portion 10 covering the opening of the main body portion 9 and having an insertion port 10b for the cable 3.

At the upper edge of the main body portion 9, a triangular rising portion 9c formed so as to gradually increase inward is provided in order to smoothly fit a slider portion 10 described later. . Further, a guide portion 9d is formed on the side wall of the main body portion 9, and the guide portion 9d includes
Locking protrusion 9 for locking the slider portion 10 described later
da is provided.

Further, as shown in detail in FIG. 11, in the main body 9, a contact 9ab with the flexible cable 3 is formed at one end, and a terminal member 9a having a joining lead 9aa formed at the other end is formed in the main body 9. The fixing piece 9f is press-fitted and fixed in the fitting portion 9e.

The terminal member 9a is supported in a cantilever shape upward from the bottom wall of the main body portion 9 and allows the contact 9ab formed at its free end portion to be displaced. Further, on the back side of the contact 9ab, the bulge 9
Ad is provided.

On the other hand, in the slider portion 10, the leg pieces 10d and 10d are hung from both ends of the pressing plate 10c that closes the opening of the main body portion 9, and the pressing portion 10e of the contact 9ab is provided at the center of the pressing plate 10c. The leg pieces 10d and 10d are slidably mounted along the guide portions 9d and 9d of the main body portion 9. Further, the peripheral edge of the pressing plate 10c is formed so as to correspond to the shape of the upper edge of the main body 9 described above. Further, the inner wall of each of the leg pieces 10d and 10d is provided with an engaging recess 10da for engaging with the engaging piece 9da of the guide portion 9d.

The pressing portion 10e is formed so that it can be fitted into the opening of the main body portion 9, and the accommodating concave portions 10a are provided at a pitch equal to the arrangement pitch of the terminal members 9a. The wall surface of the housing recess 10a is an inclined wall surface 10f that inclines toward the contact 9ab side from the lower side toward the upper side.

Contact 9ab of the above-mentioned terminal member 9a
Is accommodated in the accommodation recess 10a of the slider portion 10, and in the accommodated state, the terminal member 9a is in a state in which the bulging portion 9ad is in contact with the inclined wall surface 10f due to its elasticity. The contact 9ab is formed so as to follow the vertical operation.

The flexible cable 3 used in this embodiment is a flexible printed wiring board, a tape electric wire, a CIC or the like, and the contact portion 3a having the conductor portion exposed at the end portion inserted into the connector. Has been formed.

Therefore, in this embodiment, the cable 3 is attached to the connector as follows. That is, first, as shown in FIG. 11 (b) and FIG. 12 (b),
After moving the slider portion 10 upward to release the slider portion 10 and inserting the contact portion 3a of the cable 3 from the insertion port 10b, the pressing plate 10c is pushed downward to set the leg pieces 10d, 10c.
The locking recess 10da of d is locked to the locking projection 9da on the main body 9 side.

When the slider portion 10 is operated downward, the inclined wall surface 10f of the accommodating recess 10a moves downward, and the space for accommodating the contact 9ab gradually decreases. When the slider portion 10 is in the locked state, as shown in FIG.
As shown in (a) and FIG. 12 (a), the bulged portion 9ad of the terminal member 9a is pressed by the inclined wall surface 10f, and a part of the contact 9ab protrudes from the storage recess 10a to reach the contact portion 3a of the flexible cable 3. Both are connected by pressing.

Further, when the cable 3 is separated from the connector, as shown in FIGS. 11B and 12B, the operation opposite to the connecting method, that is, the slider portion 10 is performed.
Should be moved upward. In this state, the contact 9ab is completely housed in the housing recess 10a.
When the cable 3 is inserted / removed, the work can be performed without cutting the pattern of the contact portion 3a.

[0048]

As is apparent from the above description, according to the present invention, even a multi-pole connector can be surface-mounted.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a diagram showing a cross-sectional view of a main part of FIG.

FIG. 3 is a diagram showing a modification of FIG.

FIG. 4 is a diagram showing a modified example of a main body portion.

FIG. 5 is a diagram showing a second embodiment of the present invention.

FIG. 6 is a diagram showing a modification of FIG.

FIG. 7 is a diagram showing another modification of FIG.

FIG. 8 is a diagram showing a third embodiment of the present invention, (a)
Is a plan view, (b) is a sectional view taken along line XX, and (c) is a sectional view taken along line YY.

9 is a diagram showing a modified example of FIG.

FIG. 10 is an exploded perspective view showing a fourth embodiment of the present invention.

FIG. 11 is a cross-sectional view showing the operation of FIG. 10, where (a) is a state in which the slider portion is locked with a cable interposed, (b).
FIG. 6 is a diagram showing a released state of a slider portion.

12 is a diagram showing a cross-sectional view of FIG. 11, (a) is A
-A line sectional view, (b) is a BB line sectional view.

FIG. 13 is a diagram showing a conventional example, (a) is a cross-sectional view,
(B) is a plan view.

14A and 14B are diagrams showing another conventional example, in which FIG. 14A is a state in which a slider portion is locked with a cable interposed, and FIG. 14B is a diagram in which a rider portion is released.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Board mounting part 1a Housing 1b Joining lead 2 Printed circuit board 3 Flexible cable 3a Contact part 4 Main part 5 Connected member 6 Housing 6A First terminal group 6aa Joining lead 6ab Terminal member 6ac Contact 6B Second terminal group 6ba Contact 6bb Terminal member 6bc Contact 6C Third terminal group 6ca Joining lead 6cb Contact 6cc Terminal member 7 First housing 8 Second housing 9 Main body 9a Terminal member 9aa Joining lead 9ab Contact 10 Slider portion 10a Storage recess 10f Inclined wall surface

Claims (5)

[Claims] 1. A board mounting portion (1) holding a bonding lead (1b, 1b ...) To a printed board (2) in a housing (1a) is divided from a main body portion (4), and the main body portion (4) is 4) and the board mounting portion (1) are connected by the flexible cable (3) to form the joining leads (1b, 1b).
・ ・) Connector that prevents centralized placement. 2. A board mounting portion (1) holding a part of bonding leads (1b, 1b ...) To a printed board (2) in a housing is divided from a main body portion (4), and the main body portion (4) is divided. 4) and the board mounting portion (1) are connected by the flexible cable (3) to form the joining leads (1b, 1b).
・ ・) Connector that prevents centralized placement. 3. A contact (6a) with a member (5) to be connected.
c) at one end and a plurality of terminal members (6ab, 6) provided at the other end with bonding leads (6aa) to the printed circuit board (2).
a first terminal group (6A) consisting of ab ..., and a contact (6ba) with the member to be connected (5) at one end, and a contact (6bc) with the flexible cable (3) at the other end Multiple terminal members (6bb, 6bb
And a second terminal group (6B) composed of () are arranged side by side on one side of the housing (6), and at the other side of the housing (6), at one end, a joining lead (6ca) to the printed circuit board (2) is formed. And a third terminal group (6C) composed of a plurality of terminal members (6cc, 6cc) each having a contact (6cb) with the flexible cable (3) at the other end, and a second terminal group ( 6B) and the third terminal group (6C) are connected via a flexible cable (3). 4. The housing (6) includes first and second housings.
The first housing (7) for holding the terminal group (6A, 6B) and the second housing (8) for holding the third terminal group (6C) are connected to each other. Connector. 5. A printed circuit board (2) has a joining lead (9aa) at one end and a flexible cable (3) at the other end.
A plurality of terminal members (9 ab) provided with contacts (9ab)
a) holding the a, 9a ..), and vertically slidably mounted on the body (9), and the terminal members (9a, 9a. (9ab, 9ab ...) And the slider part (10) which press-contacts the contact part (3a) of the flexible cable (3), and the said contact part (9a) of each terminal member (9a) 9ab) is accommodated, and the back surface of the contact (9ab) of each terminal member (9a) is pressed by the downward sliding operation to press the contact (9ab) to the flexible cable (3). A connector having a housing recess (10a) provided with (10f).