JP3096884B2 - Connector component and connection structure between substrate and conductor component using connector component - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector component for electrically connecting a conductor component to a substrate by applying a pressing force, and a connection structure between the substrate and the conductor component using the connector component. .

[0002]

2. Description of the Related Art Conventionally, to connect a flexible conductor component to a substrate such as a printed circuit board, the conductor component is opposed to the substrate via anisotropic conductive rubber, and is pressed toward the substrate. In some cases, a conductor component is electrically connected to a substrate by applying pressure.

For example, a flexible cable (conductor component) of the invention proposed by the present applicant (Japanese Patent Application No. Hei 6-237273) is connected to a circuit board by using a sheet metal having elasticity as shown in FIGS. Is used.

The connection between the flexible cable and the substrate has a structure in which the substrate 110 and the flexible cable 120 are connected by the pressing force of the holding metal fitting 140 via the anisotropic conductive rubber 130. Hold down fitting 140
Holding portions 143a and 143b provided on both sides in the longitudinal direction,
A pressing portion 142a that generates a pressing force on the flexible cable 120 inserted and extracted in parallel with the substrate 110;
142b.

[0005] The substrate 110 and the flexible cable 120
The operation of connecting the anisotropic conductive rubber 130 and the flexible cable 120 on the conductive pattern of the substrate 110
(Implemented in the direction of arrow a in FIGS. 13 and 14), and one holding portion 143b of the holding member 140 is attached to the substrate 1.
It is inserted into a notch groove 144 formed on the substrate 10, mounted on the substrate 110, and mounted. These operations are performed by automatic means.

With this mounting structure, the conductor pattern of the flexible cable 120 and the conductor pattern of the substrate 110 are further applied with a pressing force via the anisotropic conductive rubber 130 to thereby make the flexible cable 120 and the substrate 110
And can be electrically connected to each other.

[0007]

However, after the holding fixture 140 is automatically mounted on the board, the pressing portions 142a and 142b cover the conductor pattern of the board 110, so that the conduction using the conductor pattern of the board 110 is performed. There is a problem that cannot be checked.

In order to automatically mount the flexible cable 120 on the substrate 110, the notch 1
If it can be formed without forming the holes 44, holes and the like, the working process can be simplified without the processing of the substrate 110, and a reduction in material processing can be expected, but this has not been realized.

SUMMARY OF THE INVENTION An object of the present invention is to provide a connector component capable of conducting a continuity check using a pattern of a substrate after the connector component is mounted on the substrate, and a connection structure between the substrate and the conductor component using the connector component. It is.

Another object of the present invention is to provide a connector component which can be fixed to a substrate while minimizing the processing of the substrate and a connection structure between the substrate and the conductor component using the connector component. is there.

[0011]

According to the present invention, a conductor pattern of a substrate and a conductor pattern of a conductor part are opposed to each other.
In a connector component for electrically connecting the conductor pattern of the substrate and the conductor pattern of the conductor component by applying a pressing force in an opposing direction, the base and the conductor pattern of the substrate are pressed on one surface of the base. A pressing piece having an elastic force and one end connected to the base, an engaging piece connected to both sides of the base and extending above one surface of the base, and the base and the pressing piece being placed on the substrate. A connecting piece connected to the engaging piece so as to be erected, and a fixing piece connected to the connecting piece and fixed to the substrate, wherein the connecting piece stands up the base and the pressing piece. An engagement piece that engages with the substrate when the base is erected toward the substrate from a state where the base is erected; Connector characterized by having a portion Parts can be obtained.

According to the present invention, in a connection structure between a board and a conductor part using a connector part, the board has an engagement receiving part for engaging the engaging part, The portion is a hole into which the engagement piece enters when the base is erected toward the substrate from a standing state, the engagement portion is an engagement projection that engages with the opposite surface of the substrate, A connection structure between a substrate and a conductor component using a connector component, wherein the substrate and the engagement piece are engaged when the substrate is tilted toward the substrate from an upright state. .

Further, according to the present invention, a connector component for electrically connecting the substrate and the conductor component by opposing the conductor pattern of the substrate and the conductor pattern of the conductor component and applying a pressing force in the facing direction. A base, a pressing piece having an elastic force, one end of which is connected to the base so as to press the conductor pattern of the substrate; and an engaging piece connected to both sides of the base and extending above one surface of the base. A connecting piece connected to the engaging piece so that the base and the pressing piece are erected on the board, and a fixing piece connected to a tip of the connecting piece and fixed to the board, The connecting piece has a neck portion that is bent when the base is erected toward the substrate from a state where the base is erected, and the fixing piece is tilted toward the substrate from a state where the base and the pressing piece are erected on the fixing piece. Engages the engagement piece when Connector part, characterized in that a coupling receiving portion is obtained.

Further, according to the present invention, the engagement receiving portion includes:
A connector component having a hole for engaging the engagement piece, and the engagement piece having an engagement protrusion that enters and engages with the hole is obtained.

[0015]

In the connector component of the present invention and the connection structure between the substrate and the conductor component using the connector component, the conductor pattern of the substrate is arranged to be pressed on one surface of the base, and the neck of the connection piece stands up. The engaging piece is engaged with the substrate by bending when tilted toward the substrate from the installed state.

The neck of the connecting piece is bent when the base is erected toward the substrate from the upright position, so that the engaging piece engages with the engaging receiving portion of the fixed piece.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a connector component of the present invention and a connection structure between a substrate and a conductor component using the connector component will be described below with reference to the drawings.

FIGS. 1 and 2 show a board 10 such as a printed circuit board, a strip-shaped conductor component 20 formed flexibly, and a connector component 1 for electrically connecting these components.

The connector component 1 is made of an elastic sheet metal (for example, a phosphor bronze plate having a thickness of 0.2 mm for a spring). A conductor pattern (not shown) for connecting to the conductor pattern of the conductor component 20 is provided on one surface of the substrate 10. As the conductor component 20, a flexible printed circuit (FPC) or a flexible flat cable (FFC) is used. The following embodiments will be described using FPC.

Referring to FIGS. 1 and 2, connector component 1
Is to electrically connect the substrate 10 and the FPC 20 by causing the conductor pattern of the substrate 10 and the conductor pattern of the FPC 20 to face each other via the anisotropic conductive rubber 11 and applying a pressing force in the facing direction. Things.

The anisotropic conductive rubber 11 is placed on a region of the conductor pattern of the substrate 10 including the terminal pattern. The anisotropic conductive rubber 11 is provided on the substrate 10 or F
It may be previously bonded to the PC 20 in a region not related to conduction.

The connector component 1 has a long plate-shaped base 1a.
And a first and a second holding portion 1b and a second holding portion 1c which extend in substantially perpendicular directions to the base 1a from both sides in the longitudinal direction of the base 1a and face each other. I have. The base 1a, the first and second holding portions 1b, 1c
These have a substantially U-shaped cross section.

In the first holding portion 1b, a plurality of first pressing pieces 2a are provided at equal intervals in the longitudinal direction of the base 1a, extending in the width direction on the plate surface of the base 1a. A plurality of second pressing pieces 2b are provided on the second holding portion 2c at equal intervals in the longitudinal direction of the base 1a, extending in the width direction on the plate surface of the base 1a.

The first pressing pieces 2a are bent so that their respective intermediate portions protrude toward the substrate in a state where they face one surface of the substrate 10. The second pressing piece 2b is bent so that the front end protrudes toward the substrate 10 in a state of facing one surface of the substrate 10. First pressing piece 1a and second pressing piece 2
b have elastic restoring force, and are provided alternately in the longitudinal direction of the first and second holding portions 1a and 1b.

Further, on both sides of the base 1a in the longitudinal direction,
A pair of engaging pieces 3 and 4 which are bent at substantially right angles to the base 1a and connected are connected. A pair of engagement pieces 3, 4
Are respectively provided with the engagement receiving portions 1 formed on the substrate 10.
Engagement protrusions 3a and 4a for engaging with 0a and 10b are formed. The engagement protrusions 3a and 4a are portions that protrude slightly outside the plate surfaces of the engagement pieces 3 and 4.

On one side of the engaging pieces 3 and 4, arm pieces 5 and 6 opposing the longitudinal edges of the second holding portion 1 c and extending beyond these edges. Are formed respectively. Further, connecting pieces 7 and 8 extending from the other sides of the engaging pieces 3 and 4 to the opposite sides of the arm pieces 5 and 6 are connected to each other. The connecting pieces 7 and 8 include a substrate 10
Fixing pieces 12 and 13 which face each other and are connected by solder or the like
Are connected. In the middle portion of the connecting pieces 7 and 8, the neck portion 1 formed to have a width smaller than these plate widths.
5 and 16. The neck parts 15 and 16 are moved from the state in which the connector part 1 is erected so that the base part 1a is vertical on the substrate 10 as shown in FIGS.
As shown in FIG. 4 and FIG.
Is a portion that is bent when it is tilted so as to be horizontal to the substrate 10.

As shown in FIGS. 2, 3, 4, and 6, the first holding portion 1b extends outside the second holding portion 1c at the central portion in the longitudinal direction. A support piece 17 connected to 10 is provided.

As shown in FIG. 7, the conductor pattern of the substrate 10 includes a protruding portion of the first pressing piece 2a and a second pressing piece 2b.
The conductor pattern 18 is pressed by the first pressing piece 2a to connect to the conductor pattern of the FPC 20 one-to-one at a position facing the leading end of the FPC 20, and the conductor pattern 18 is pressed by the second pressing piece 2b to the conductor pattern of the FPC 20. Are provided. The substrate 10 is provided with fixing patterns 12a and 13a for fixing the fixing piece 13 by soldering or the like and a fixing pattern 17a for fixing the support piece 17 by soldering or the like.

Now, the connector part 1 is automatically conveyed onto the substrate 10 and the fixing pieces 12 and 13 of the connector part 1 are
Are fixed to the connection patterns 12a and 13a by soldering. In this state, as shown in FIGS. 1 and 3, the connector component 1 is erected on the board 10, and a continuity check using the conductor patterns 18 and 19 of the board 10 can be performed.

Further, the conductor pattern of the FPC 20 is opposed to the conductor patterns 18 and 19 of the substrate 10 so that
1 is inserted between the anisotropic conductive rubber 11 placed on the substrate 10 and the first and second pressing pieces 2a and 2b of the connector component 1 in the direction of arrow A in FIG. After that, the connector component 1 is bent at the necks 15 and 16 and falls on the substrate 10. At this time,
By bending the necks 15, 16 of the fixing pieces 12, 13, the connector part 1 is tilted at an angle of 90 degrees, and the front end portions of the engaging pieces 3, 4 of the connector part 1 Enter into the holes of the engagement receiving portions 10a and 10b on the back surface of the substrate 10 and are prevented from coming off.
In this state, the FPC 20 holds the first and second pressing pieces 2
By a and 2b, it is pressed against the substrate 10 via the anisotropic conductive rubber 11. Therefore, the anisotropic conductive rubber 1
1 has conductivity and the conductor patterns 19 and 20 of the substrate 10 are formed.
And the conductor pattern of the FPC 20 are electrically connected.

FIGS. 8 and 9 show a substrate 30 such as a printed circuit board according to a second embodiment of the present invention, and flexible conductive parts (the same FPC and FFC as the conductive parts 20 of FIG. 1). And the like, and a connector component 50 for connecting them.

As in the first embodiment, the connector part 50 is formed by connecting the conductor pattern of the board 30 and the conductor pattern of the FPC 20 (see FIG. 1) to the anisotropic conductive rubber 11 (FIG. 1).
), And by applying a pressing force in the facing direction, the substrate 30 and the FPC 20 are electrically connected.

Referring to FIG. 8 and FIG.
Reference numeral 0 denotes a long plate-shaped base portion 50a, and first and second holding portions 50a, 50 which are connected by being bent at substantially right angles from both sides in the longitudinal direction of the base portion 50a, and facing each other.
b. The base 50a and the first and second holding portions 50a and 50b have a substantially U-shaped cross section.

The first holding portions 50a and 50b have base portions 50 respectively.
A plurality of first pressing pieces 52a are provided at intervals in the longitudinal direction so as to face the inner side surface of a and extend to the central portion in the width direction of the base 50a. A plurality of second pressing pieces 52b are provided on the second holding portion 50b so as to face the inner surface of the base 50a, extend to the center in the width direction of the base 50a, and face the tip of the first pressing piece 50a. Are provided at intervals in the longitudinal direction.

The first pressing piece 52a is bent so that an intermediate portion protrudes toward the substrate 30 so as to face one surface of the substrate 30. The second pressing piece 52b is provided such that the tip protrudes toward the substrate 30 so as to face one surface of the substrate 30. First pressing portion and second pressing piece 52
Both a and 52b have an elastic restoring force.

Further, a pair of engaging pieces 53 and 54 are provided on both sides in the longitudinal direction of the base 50a so as to extend at substantially right angles to the base 50a. Each of the pair of engagement pieces 53, 54 has an engagement protrusion 53a, 54a.
Are formed. The engaging projections 53a and 54a are
3 and 54 are portions slightly protruding outward from the plate surface.

On one side of the engagement pieces 53, 54, there are arm portions 55, 56 facing the longitudinal edges of the second holding portion 50c and extending beyond these edges.
Are formed. Further, on the other side of the engaging pieces 53, 54, connecting pieces 57, 58 extending on the opposite side to the arm portions 55, 56 are provided. Stopper pieces 60, 61 which are bent so as to face the base 50a are provided on the edge pieces of the connecting pieces 57, 58.

Fixed pieces 62, 63 facing the substrate 30 and connected by solder or the like are connected to the connecting pieces 57, 58, respectively. The connecting pieces 57 and 58 have neck portions 65 and 66 formed with a plate width smaller than these plate widths. The necks 65, 66 allow the connector component 50 to be mounted on the base 30 on the substrate 30, as also shown in FIGS.
As shown in FIG. 10, this portion is bent when the base 50 a of the connector component 50 is tilted so as to be horizontal with respect to the substrate 30 from the state where the connector a is erected vertically.

The fixing pieces 62, 63 are fixed to the fixing plate portions 62a, 63a facing the substrate 30 and connected by soldering or the like.
Engagement receiving portions 62b and 63b are provided which extend in a direction perpendicular to the fixing plate portions 62a and 63a and are bent parallel to the plate surfaces of the fixing plate portions 62a and 63a. The engagement receiving portions 62b and 63b are formed with engagement receiving portions 62c and 63c that engage with the engagement protrusions 53a and 54a at positions where the pair of engagement pieces 53 and 54 face inward. Engagement receiving part 6
2c and 63c are portions formed with holes or dents for engaging the engaging projections 53a and 54a.

Next, the connection position between the connector component 50 and the conductor pattern on the board will be described. FIG. 11 shows only the connector part 50 of FIG. As shown in FIG. 12, connection patterns 71 and 72 are provided on the substrate 30 at positions facing the first and second pressing pieces 52a and 52b.
The substrate 30 is provided with fixing patterns 73 to 76 for fixing the fixing plate portions 62a and 63a by soldering or the like.

Now, the connector component 50 is automatically transferred to the board 30.
The fixing plate portions 62a, 63 of the fixing pieces 62, 63 are conveyed upward.
a is fixed to the fixing patterns 73 to 76 of the substrate 30 by soldering. In this state, as shown in FIGS. 8 and 9, the connector component 50 is erected on the board 30, and continuity check using the conductor patterns 71 and 72 of the board 30 is possible.

The FPC 20 uses the conductive pattern as the substrate 3
The anisotropic conductive rubber (see the anisotropic conductive rubber 11 in FIG. 1) mounted on the substrate 30 so as to face the conductor patterns 71 and 72 of FIG. 52
a, 52b.

After that, the connector component 50 is lowered onto the substrate 30. At this time, the connecting pieces 57, 58 and the fixing pieces 62, 63
The connector parts 50 are tilted at an angle of 90 degrees by bending the neck portions 65 and 66 of the
The engagement protrusion 53 of the connector component 50 is
a and 54a enter and engage and are prevented from falling off. In this state, the FPC 20 has the first and second pressing pieces 52a, 52
2b, the substrate 30 via the anisotropic conductive rubber 11
Is pressed against. Therefore, conductivity is generated in the anisotropic conductive rubber 11, and the conductive patterns 71, 72 of the substrate 30 and F
The conductor pattern of the PC 20 is electrically connected.

[0044]

According to the present invention, the conductor pattern of the board and the conductor component can be electrically connected by falling down from the state where the connector component is erected on the board, and the connector component is erected on the board. In this state, the continuity of the substrate can be checked.

According to the invention, the conductor pattern of the board is arranged to be pressed on the base, and the neck of the connecting piece is bent when the base is bent down from the upright state toward the board. Since the mating portions can be engaged, not only a reliable connection can be realized, but also a small and low-cost connector component and a connection structure between the board and the conductor component using the connector component can be obtained.

Further, if the connector component is configured to be soldered to the conductor pattern surface of the substrate, it can be fixed to the substrate together with the circuit component by an automatic mounting machine or the like, thereby improving industrial mass productivity. And there is no fear of connection failure due to rattling.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a connector component of the present invention and a connection structure between a substrate and a conductor component using the connector component, and showing a state where the connector component is erected on the substrate. is there.

FIG. 2 is a perspective view showing a state in which the connector component shown in FIG. 1 is laid down on a substrate.

FIG. 3 is a side view of a state in which the substrate of FIG. 1 is sectioned.

FIG. 4 is a side view of a state in which the substrate of FIG. 2 is cross-sectioned.

FIG. 5 is a perspective view showing a state in which the connector part and the substrate of FIG. 2 are cross-sectionally illustrated.

FIG. 6 is a plan view of the connector component of FIG. 1 as viewed from a pressing direction.

FIG. 7 is a plan view showing a conductor pattern and a fixed pattern of the substrate of FIG. 1;

FIG. 8 is a perspective view showing a connector component according to a second embodiment of the present invention and a connection structure between a substrate and a conductor component using the connector component, and showing a state where the connector component is erected on the substrate. is there.

9 is a side view of the connector part shown in FIG.

FIG. 10 is a perspective view showing a state where the connector component shown in FIG. 8 is laid down on a substrate.

FIG. 11 is a plan view of the connector component shown in FIG. 8 as viewed from a pressing direction.

FIG. 12 is a plan view showing a conductor pattern and a fixed pattern of the substrate of FIG. 8;

FIG. 13 is a perspective view showing a conventional connection structure between a conductor component and a substrate.

FIG. 14 is a side sectional view of FIG.

[Explanation of symbols]

1, 50 Connector parts 1a, 50a Base 1b, 50b First holding part 1c, 50c Second holding part 2a, 52a First pressing piece 2b, 52b Second pressing piece 3, 4, 53, 54 Engagement Pieces 3a, 4a, 53a, 54a engaging projections 7, 8, 57, 58 connecting pieces 10, 30, 110 substrates 10a, 10b, 62b, 63b engaging receiving parts 11, 130 anisotropic conductive rubber 12, 13, 62, 63 Fixing piece 15, 16 Neck 18, 19 Conductor pattern 12a, 13a, 17a, 73, 74, 75, 76
Fixing pattern 20 FPC (conductor component) 62a, 63a Fixing plate 120 Flexible cable 140 Holder 143a, 143b Holding part 142a, 142b Pressing part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-56-41678 (JP, A) JP-A-56-168374 (JP, A) JP-A-8-102342 (JP, A) 16888 (JP, A) JP-A-54-136991 (JP, A) JP-A-4-36779 (JP, U) JP-A-59-2077 (JP, U) JP-A-54-126067 (JP, U) Japanese Utility Model Showa 58-170883 (JP, U) Japanese Utility Model Showa 55-105268 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 12/00-12/38 H01R 24/00 -24/18

Claims (4)

(57) [Claims] 1. A connector for electrically connecting a conductor pattern of a substrate and a conductor pattern of the conductor component by opposing a conductor pattern of the substrate and a conductor pattern of the conductor component and applying a pressing force in a facing direction. In the component, a base, a pressing piece having an elastic force that is disposed on one surface of the base and presses the conductor pattern of the substrate and one end of which is connected to the base, and a base piece connected to both sides of the base and An engagement piece extending upward on one surface; a connection piece connected to the engagement piece so that the base and the pressing piece are erected on the substrate; and a connection piece fixed to the substrate by connecting to the connection piece. A fixing piece, and the connecting piece has a neck bent when the base and the pressing piece are bent toward the substrate from a state in which the base and the pressing piece are erected, and the engagement piece has the base erected. From above to the substrate Connector component, characterized by having an engagement portion engaged with the substrate when. 2. The connection structure between a substrate and a conductor component using the connector component according to claim 1, wherein the substrate has an engagement receiving portion for engaging the engaging portion, and the engagement receiving portion. Is a hole into which the engagement piece enters when the base is erected toward the substrate from a standing state, wherein the engagement portion is an engagement protrusion that engages with the opposite surface of the substrate,
A connection structure between a board and a conductor part using a connector part, wherein the board and the engaging piece are engaged when the base part is tilted toward the board from a standing state. 3. A connector component for electrically connecting the substrate and the conductor component by causing the conductor pattern of the substrate and the conductor pattern of the conductor component to face each other and applying a pressing force in the facing direction, wherein: A pressing piece having an elastic force, one end of which is connected to the base to press the conductor pattern of the board; an engaging piece connected to both sides of the base and extending above one surface of the base; A connecting piece connected to the engaging piece so that the pressing piece stands on the substrate, and a fixing piece connected to a tip of the connecting piece and fixed to the substrate, wherein the connecting piece is The base has a neck that is bent when tilted toward the substrate from the upright state, and the fixing piece has a neck that is bent when the base and the pressing piece are tilted toward the substrate from the upright state. That an engagement receiving portion for engaging Connector parts according to claim. 4. The method according to claim 1, wherein the engagement receiving portion has a hole for engaging the engagement piece, and the engagement piece has an engagement projection that enters and engages with the hole. The connector component according to claim 3, wherein