JPH08116148A - Connection structure of circuit board and fpc - Google Patents

Abstract

PURPOSE: To provide a connection structure of an inexpensive and simple constitution. CONSTITUTION: A circuit board 1 is arranged in an upper surface 32b of a lower part 32a of a right wall part 32 wherein a through hole 33 communicating with an inside and an outside of a synthetic resin case 3. A plurality of electrodes 4 are formed in an upper surface 1c of the right end part 1b of the circuit board 1. A tip part 5a of an FPC 5 is arranged in the upper surface 1c of the right end part 1b of the circuit board 1. A plurality of electrodes 6 which enable contact corresponding to a plurality of electrodes 4 of the circuit board 1 separately are formed in the tip part 5a of the FPC 5. A synthetic resin slider 7 is forced between an upper surface 5b of the tip part 5a of the FPC 5 and a lower surface 32d of an upper part 32c of the right wall part 32 of the case 3 for bringing a plurality of electrodes 4 of the circuit board 1 and a plurality of electrodes 6 of the FPC 5 into close contact with each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical connection structure between a rigid circuit board and an FPC (flexible printed wiring board).

[0002]

2. Description of the Related Art Conventionally, a connector 50 as shown in FIG. 27 has been used to electrically connect a circuit board 1 having rigidity and mounting various electronic parts and an FPC 5 to each other. . The connector 50 shown in FIG. 27 is fixedly arranged at an appropriate position on the circuit board 1 fixed to the case 3, and the terminal 51 in the housing 52 and the tip portion 5 of the FPC 5 are inserted by press-fitting the slider 51 into the housing 52.
It is configured to be electrically connected to the electrode a.

[0003]

However, since the connector 50 as described above is expensive, an inexpensive and simple connection structure is required.

An object of the present invention is to provide an inexpensive and simple connection structure in response to the above demand.

[0005]

According to a first aspect of the present invention, there is provided an electrical connection structure for a circuit board having rigidity and being housed and fixed in a case, and an FPC arranged along the case, wherein The electrode of the FPC and the electrode of the circuit board are arranged substantially parallel to each other in the formed through hole, and the slider of the FPC is pressed into the through hole to bring the electrode of the FPC and the electrode of the circuit board into contact with each other. The connection structure between the circuit board and the FPC is adopted.

According to a second aspect of the present invention, there is adopted the connection structure between the circuit board and the FPC according to the first aspect, wherein a conductive element is provided on the electrode of the circuit board.

According to a third aspect of the invention, the connection structure between the circuit board and the FPC according to the second aspect is adopted, wherein the conductive element is a conductive chip.

According to a fourth aspect of the invention, the connection structure between the circuit board and the FPC according to the second aspect is adopted, wherein the conductive element is a conductive wire.

According to a fifth aspect of the present invention, a circuit board having rigidity and housed and fixed in a case, and an F arranged along the case.
In the electrical connection structure with a PC, the electrodes of the FPC and the electrodes of the circuit board are arranged substantially parallel to each other in a through hole formed in the case, and a connector is provided between the circuit board and the FPC. By arranging the electrodes, the electrode of the FPC and the electrode of the circuit board are electrically connected to each other through the connector, and a connection structure between the circuit board and the FPC is adopted.

According to a sixth aspect of the present invention, the connector is preliminarily fixed to the circuit board, and the circuit board-FPC connection structure according to the fifth aspect is adopted.

According to a seventh aspect of the present invention, the connection structure between the circuit board and the FPC according to the fifth aspect is adopted, wherein the connector is fixed to the case in advance.

According to an eighth aspect of the present invention, the connection structure of the circuit board and the FPC according to any one of the fifth to seventh aspects is adopted, wherein the connector is composed of only a terminal portion.

According to a ninth aspect of the present invention, the terminal portion of the connector has elasticity.
The connection structure between the circuit board and the FPC as described in any one of 1 above is adopted.

According to a tenth aspect of the present invention, a positioning portion is formed on the connector.
The connection structure between the circuit board and the FPC as described in any one of 1 above is adopted.

[0015]

According to the connection structure of the circuit board and the FPC according to claim 1, the circuit board electrode and the FP are provided in the through hole of the case.
The electrodes of C are arranged substantially parallel to each other, and the sliders are press-fitted into the through holes to bring the electrodes into contact with each other. Therefore, it is possible to provide a simple and inexpensive connection structure as compared with the connector of the related art.

In the connection structure between the circuit board and the FPC according to the second aspect, the conductive element can exert an effect of electrically connecting both electrodes and enhancing the degree of adhesion between both electrodes.

The connection structure between the circuit board and the FPC according to claim 3 is an example in which a conductive chip is used as a conductive element.

The connection structure between the circuit board and the FPC according to claim 4 is an example in which a conductive wire is used as the conductive element.

In the connection structure between the circuit board and the FPC according to the fifth aspect, the electrodes of the circuit board and the electrodes of the FPC are arranged substantially parallel to each other in the through hole of the case, and the connector is interposed between both electrodes. Both electrodes are electrically connected via a connector. Therefore, it is possible to provide a simple and inexpensive connection structure as compared with the connector of the related art.

The connection structure between the circuit board and the FPC according to claim 6 is an example in which a connector is provided in advance on the circuit board.

The connection structure between the circuit board and the FPC according to claim 7 is an example in which the connector is provided in advance in the case.

The connection structure between the circuit board and the FPC according to claim 8 is an example in which the connector has a simple structure including only a terminal portion.

In the connection structure between the circuit board and the FPC according to the ninth aspect, the degree of adhesion between the terminal portion and both electrodes is enhanced by utilizing the elastic force of the terminal portion.

According to the connection structure of the circuit board and the FPC according to the tenth aspect, a good positional relationship between the connector and both electrodes can be obtained by the positioning portion of the connector.

[0025]

Embodiments of the present invention will be described below with reference to the drawings.

(1) First Embodiment (FIGS. 1 to 3) FIG. 1 is a front sectional view showing a connection structure between a circuit board and an FPC according to the first embodiment, and FIG. 2 shows a circuit board and an FPC. A schematic perspective view, FIG. 3 (A) is a front view of the slider, and FIG. 3 (B) is
A right side view of the slider and FIG. 3C are bottom views of the slider.

1 to 3, reference numeral 1 denotes a circuit board on which the electronic component 2 is mounted. The circuit board 1 is shown in FIG.
The illustrated left end portion 1a is the left wall portion 31 of the synthetic resin case 3.
Is inserted into a recess 31a formed on the inner surface of the case 3, and the right end 1b is the upper surface 3 of the lower portion 32a of the right wall 32 of the case 3.
2b, that is, the upper surface 32 of the lower portion 32a of the right wall portion 32 that forms the through hole 33 that communicates the inside and the outside of the case 3 with the lower surface 32d of the upper portion 32c of the right wall portion 32 of the case 3 and the like.
b. Then, the right end portion 1b of the circuit board 1
A plurality of electrodes 4 are formed on the upper surface 1c of the.

On the upper surface 1c of the right end 1b of the circuit board 1,
The tip portion 5a of the FPC 5 is arranged. A plurality of electrodes 6 that can come into contact with the plurality of electrodes 4 of the circuit board 1 in a one-to-one correspondence are formed on the tip portion 5a of the FPC 5.

Between the upper surface 5b of the tip portion 5a of the FPC 5 and the lower surface 32d of the upper portion 32c of the right wall portion 32 of the case 3,
A synthetic resin slider 7 is press-fitted in the direction of arrow a in FIG. 1 to bring the plurality of electrodes 4 of the circuit board 1 and the plurality of electrodes 6 of the FPC 5 into close contact with each other. As shown in FIG. 3, the slider 7 has a plurality of protrusions 8 partially at predetermined positions on its lower surface 7a, that is, at positions corresponding to the plurality of electrodes 4 of the circuit board 1 and the plurality of electrodes 6 of the FPC 5. It is formed to project. These protrusions 8 serve to bring the plurality of electrodes 4 of the circuit board 1 and the plurality of electrodes 6 of the FPC 5 into close contact with each other. As shown in FIG. 3, the upper surface 7 b of the slider 7 and the upper portion 3 of the right wall portion 32 of the case 3 are arranged.
On the lower surface 32d of 2c, a concave portion 7c and a protruding portion 32e which are fitted with each other are appropriately formed to prevent the slider 7 from coming off.

Since the connection structure between the circuit board 1 and the FPC 5 according to the first embodiment is configured as described above, the case 3
The slider 7 having a simple structure can be electrically connected to the plurality of electrodes 4 of the circuit board 1 and the plurality of electrodes 6 of the FPC 5 by utilizing the through holes 33.

(2) Second Embodiment (FIG. 4) FIG. 4 is a bottom view of a slider used in the connection structure between the circuit board 1 and the FPC 5 according to the second embodiment.

In the slider 7, the protrusion 8 is composed of a linear protrusion. Other configurations are the same as those of the first embodiment.

According to this connection structure, the linear projection 8 of the slider 7 can increase the contact distance between the electrodes 4 and 6 in the longitudinal direction.

(3) Third Embodiment (FIG. 5) FIG. 5 is a front sectional view of a connection structure between the circuit board 1 and the FPC 5 according to the third embodiment.

The slider 7 used in this connection structure is
It is divided into upper and lower parts, and the lower slider 71 is attached to the FPC5.
Of the lower slider 71 after being placed on the upper surface 5b of the tip 5a of the
The upper slider 72 is press-fitted between the upper surface 71a of the above and the lower surface 32d of the upper portion 32c of the right wall portion 32 of the case 3.

According to this connection structure, the slider 7 is divided into upper and lower parts, and the protrusion of the slider 71 and the FPC 5 are fixed, so that the slider 72 can be pressed into the through hole 33 of the case 3 without damaging the FPC 5. You can

(4) Fourth Embodiment (FIGS. 6 and 7) FIG. 6 is a front and side sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the fourth embodiment, and FIG. It is a perspective view when it sees from the lower surface 7a side.

The slider 7 is formed with a slit 9 extending in the insertion direction of the slider 7 so as to sandwich each protrusion 8. The lower slider 7 is in contact with the conductor surface of the FPC 5, and the upper slider 7 is in contact with the case upper portion 32c, and the slider 7 as a whole has a staggered structure. By stabilizing the portion, increasing the elastic force of itself, the press-fitting operation of the slider 7 becomes easy.

(5) Fifth Embodiment (FIGS. 8 and 9) FIG. 8 is a front sectional view of a connection structure between the circuit board 1 and the FPC 5 according to the fifth embodiment, and FIG. 9 is a schematic view of the circuit board 1. It is a perspective view.

In this circuit board 1, a conductive chip 10 as a conductive element is adhered onto each electrode 4 by soldering or the like, and a plurality of electrodes of the circuit board 1 are connected through these conductive chips 10. 4 and a plurality of electrodes 6 of the FPC 5 are electrically connected. The FPC 5 is the right wall portion 3 of the case 3.
The slider 7 is press-fitted between the lower surface 1d of the right end portion 1b of the circuit board 1 and the upper surface 32b of the lower portion 32a of the right wall portion 32 of the case 3.

With this conductive tip 10, both electrodes 4,
It is possible to increase the degree of adhesion between the six.

(6) Sixth Embodiment (FIG. 10) FIG. 10A is a plan view of a modification of the conductive chip 10 in the fifth embodiment, and FIG. 10B is a front sectional view thereof. .

This conductive chip 10 is composed of an upper part 10a and a lower part 10b, and has a two-step structure in which the upper part 10a is smaller than the lower part 10b.

(7) Seventh Embodiment (FIG. 11) FIG. 11 (A) is a plan view of another modified example of the conductive chip 10 in the fifth embodiment, and FIG. 11 (B) is a front sectional view thereof. Is.

Similar to the sixth embodiment, the conductive chip 10 has an upper portion 10a and a lower portion 10b, and the upper portion 10a has a two-step structure smaller than the lower portion 10b. However, the upper portion 10a has a substantially hemispherical shape.

(8) Eighth Embodiment (FIGS. 12 and 13) FIG. 12 is a front sectional view of a connection structure between the circuit board 1 and the FPC 5 according to the eighth embodiment, and FIG. 13 is a schematic view of the circuit board 1. It is a perspective view.

In this circuit board 1, a conductive wire 11 as a conductive element is adhered onto each electrode 4 by soldering or the like, and a plurality of electrodes of the circuit board 1 are connected through these conductive wires 11. 4 and a plurality of electrodes 6 of the FPC 5 are electrically connected.

(9) Ninth Embodiment (FIG. 14) FIG. 14 is a front view of a modified example of the conductive wire 11 in the eighth embodiment.

The conductive wire 11 has a shape in which the central portion 11a is curved upward.

(10) Tenth Embodiment (FIG. 15) FIG. 15 is a front view of another modification of the conductive wire 11 in the eighth embodiment.

The conductive wire 11 has a shape in which the central portion 11a is wound once.

(11) Eleventh Embodiment (FIG. 16) FIG. 16A shows a circuit board 1 and an FPC according to the eleventh embodiment.
1 is a schematic perspective view of the circuit board 1 in the connection structure with FIG.
6 (B) is a front view of the conductive element.

This conductive element is formed by fixing the conductive terminal 12 to the central portion of the conductive wire 11.

(12) Twelfth Embodiment (FIG. 17) FIG. 17A shows a circuit board 1 and an FPC according to the twelfth embodiment.
1 is a schematic perspective view of the circuit board 1 in the connection structure with FIG.
7 (B) is a plan view of the conductive element, and FIG. 17 (C) is a front sectional view of the conductive element.

This conductive element is formed by soldering 13 to the electrode 4 of the circuit board 1.

(13) Thirteenth Embodiment (FIGS. 18 to 20) FIG. 18 is a front sectional view showing a connection structure between the circuit board 1 and the FPC 5 according to the thirteenth embodiment, and FIG. 20 is a side view of the connector 14. FIG.

18 to 20, the tip portion 5a of the FPC 5 is arranged on the lower surface 32d of the upper portion 32c of the right wall portion 32 of the case 3. Then, the tip portion 5a of the FPC 5
A connector 14 is disposed between the lower surface 5c of the above and the upper surface 1c of the right end portion 1b of the circuit board 1.

The connector 14 comprises a synthetic resin housing portion 15 and a plurality of substantially V-shaped flexible terminal portions 1.
6 is comprised. The housing portion 15 is formed with a plurality of positioning locking pin portions 15a protruding downward, and these locking pins 15a are press-fitted into the locking holes 1e formed in the circuit board 1. . Further, the housing portion 15 has a vertical groove 1 in which each terminal portion 16 is arranged.
7 are formed. Each terminal portion 16 has a base portion 16b in which a locking claw 16a for preventing slippage is formed,
The base portion 16b is embedded in the housing portion 15.
Then, in each terminal portion 16, one contact portion 16c elastically adheres to the electrode 6 of the tip end portion 5a of the FPC 5, and the other contact portion 16d elastically adheres to the electrode 4 of the right end portion 1b of the circuit board 1. are doing.

In the connection structure as shown in FIG. 18, the connector 14 is fixed to the circuit board 1, and the tip portion 5a of the FPC 5 is arranged on the lower surface 32d of the upper portion 32c of the right wall portion 32 of the case 3 in the circuit board. It can be obtained by inserting 1 into the through hole 33.

Circuit board 1 and FPC 5 according to the thirteenth embodiment
Since the connection structure with the connector is configured as described above, the connector 14 having a simple configuration using the through hole 33 of the case 3 is used.
Thus, the plurality of electrodes 4 of the circuit board 1 and the plurality of electrodes 6 of the FPC 5 can be electrically connected.

(14) Fourteenth Embodiment (FIG. 21) FIG. 21 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the fourteenth embodiment.

In this connection structure, the synthetic resin case 3 is provided with two parallel grooves 18 and 19. The circuit board 1 is arranged in the groove 18 on the right side, and the tip portion 5a of the FPC 5 is arranged on the left side surface 19a of the groove 19 on the left side. A connector 14 is arranged between the circuit board 1 and the tip portion 5a of the FPC 5.

The connector 14 comprises a synthetic resin housing portion 15 and a plurality of flexible terminal portions 16. The housing portion 15 is formed with a plurality of locking pins 15a for projecting downward and positioned, and these locking pins 15a are attached to the upper surface 2 of the mounting wall portion 20 of the case 3.
It is press-fitted into the locking hole 20b formed in 0a. Each terminal portion 16 is composed of a base portion 16b embedded in the housing portion 15 and substantially V-shaped left and right contact portions 16c and 16d extending from the base portion 16b to the left and right.
When the connector 14 is attached to the case 3, the left contact portion 16c elastically adheres to the electrode 6 of the tip portion 5a of the FPC 5, and the right contact portion 16d elastically adheres to the electrode 4 of the circuit board 1. To do. The locking pin 15a may be formed in the mounting wall portion 20 of the case 3, and the locking hole 20b may be formed in the connector 14.

(15) Fifteenth Embodiment (FIG. 22) FIG. 22 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the fifteenth embodiment.

In this connection structure, the connector 14 is
The housing portion 15 is removed from the connector 14 of the fourteenth embodiment described above, and is composed of only a plurality of terminal portions 16. A notch 16e for positioning is formed on the base 16b of each terminal portion 16, and the notch 16 is provided on the upper surface 20a of the mounting wall 20 of the case 3.
A protrusion 20c that is press-fitted into e is formed.

Since this connector 14 comprises only the terminal portion 16, the structure is simplified.

(16) Sixteenth embodiment (FIGS. 23 to 25) FIG. 23 is a front sectional view of a connection structure between the circuit board 1 and the FPC 5 according to the sixteenth embodiment, and FIG. 24 is a left side view in FIG. FIG. 25 and FIG. 25 are plan views of FIG.

In this connection structure, a groove 21 in which the circuit board 1 is arranged is formed in the synthetic resin case 3. A locking claw 23 elastically locked in the locking hole 22 of the circuit board 1 is formed on the bottom surface of the groove 21 so as to project upward. The circuit board 1 has a plurality of electrodes 4
The plurality of terminal portions 16 are arranged in contact with each other by caulking or soldering. Each terminal part 16
The tip portion 5a of the FPC 5 arranged on the left side surface 21a of the groove 21
It is in elastic contact with the electrode 6. The circuit board 1 is fixed to the case 3 by inserting the left and right ends 1f and 1g into the recesses 24 and 25 of the case 3 and locking the locking claws 23 into the locking holes 22. .

(17) Seventeenth Embodiment (FIG. 26) FIG. 26 is a sectional view of a connection structure between the circuit board 1 and the FPC 5 according to the seventeenth embodiment.

In this connection structure, the terminal portion 16 of the 16th embodiment described above is fixed to the circuit board 1, while the terminal portion 16 is provided on the case 3 side. The circuit board 1 is fixed to the case 3 with screws 26.

[Brief description of drawings]

FIG. 26 is a sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the seventeenth embodiment.

FIG. 1 is a front sectional view showing a connection structure between a circuit board 1 and an FPC 5 according to a first embodiment.

FIG. 2 is a schematic perspective view of a circuit board 1 and an FPC 5.

FIG. 3 (A) is a front view of the slider 7, FIG. 3 (B).
Is a right side view of the slider 7, and FIG. 3C is a bottom view of the slider 7.

FIG. 4 is a bottom view of the slider 7 used in the connection structure between the circuit board 1 and the FPC 5 according to the second embodiment.

FIG. 5 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a third embodiment.

FIG. 6 is a front and side sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a fourth embodiment.

FIG. 7 is a perspective view of the slider 7 when viewed from the lower surface 7a side thereof.

FIG. 8 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a fifth embodiment.

FIG. 9 is a schematic perspective view of the circuit board 1.

FIG. 10 (A) is a plan view of a modified example of the conductive chip 10 in the fifth embodiment, and FIG. 10 (B) is a front sectional view thereof.

11 (A) is a plan view of another modified example of the conductive chip 10 in the fifth embodiment, and FIG. 11 (B) is a front sectional view thereof.

FIG. 12 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to an eighth embodiment.

FIG. 13 is a schematic perspective view of the circuit board 1.

FIG. 14 is a front view of a modified example of the conductive wire 11 according to the eighth embodiment.

FIG. 15 is a front view of another modification of the conductive wire 11 according to the eighth embodiment.

16 (A) is a schematic perspective view of the circuit board 1 in the connection structure between the circuit board 1 and the FPC 5 according to the eleventh embodiment, and FIG. 16 (B) is a front view of a conductive element.

17 (A) is a schematic perspective view of the circuit board 1 in the connection structure of the circuit board 1 and the FPC 5 according to the twelfth embodiment, and FIG. 17 (B) is a plan view of the conductive element. 17 (C)
Is a front sectional view of the conductive element

FIG. 18 is a front sectional view showing a connection structure between a circuit board 1 and an FPC 5 according to a thirteenth embodiment.

FIG. 19 is a schematic perspective view of the circuit board 1 and the connector 14.

FIG. 20 is a side view of the connector 14.

FIG. 21 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the 14th embodiment.

FIG. 22 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the fifteenth embodiment.

FIG. 23 is a front cross-sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the 16th embodiment.

FIG. 24 is a left side view of FIG. 23.

FIG. 25 is a plan view of FIG. 23.

FIG. 26 is a sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the 17th embodiment.

FIG. 27 is a cross-sectional view of a conventional connection structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Circuit board 3 Case 4 Electrode of circuit board 1 5 FPC 6 FPC5 electrode 7 Slider 10 Conductive chip 11 Conductive wire 14 Connector 15a Locking pin (positioning part) 16 Terminal part 16e Notch part (positioning part) 33 Through hole

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[Procedure amendment]

[Submission date] February 2, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a front sectional view showing a connection structure between a circuit board 1 and an FPC 5 according to a first embodiment.

FIG. 2 is a schematic perspective view of a circuit board 1 and an FPC 5.

FIG. 3 (A) is a front view of the slider 7, FIG.
3B is a right side view of the slider 7, and FIG. 3C is a bottom view of the slider 7.

FIG. 4 is a bottom view of the slig 7 used in the connection structure between the circuit board 1 and the FPC 5 according to the second embodiment.

FIG. 5 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a third embodiment.

FIG. 6 is a front and side sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a fourth embodiment.

FIG. 7 is a perspective view of the slider 7 when viewed from the lower surface 7a side thereof.

FIG. 8 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to a fifth embodiment.

FIG. 9 is a schematic perspective view of the circuit board 1.

FIG. 10 (A) is a plan view of a modified example of the conductive chip 10 in the fifth embodiment, and FIG. 10 (B) is a front sectional view thereof.

11A is a plan view of another modification of the conductive chip 10 according to the fifth embodiment, and FIG. 11B is a front sectional view thereof.

FIG. 12 is a front sectional view of a connection structure between a circuit board 1 and an FPC 5 according to an eighth embodiment.

FIG. 13 is a schematic perspective view of the circuit board 1.

FIG. 14 is a front view of a modified example of the conductive wire 11 according to the eighth embodiment.

FIG. 15 is a front view of another modification of the conductive wire 11 according to the eighth embodiment.

16 (A) is a schematic perspective view of the circuit board 1 in the connection structure of the circuit board 1 and the FPC 5 according to the eleventh embodiment, and FIG. 16 (B) is a front view of a conductive element.

17 (A) is a schematic perspective view of the circuit board 1 in the connection structure of the circuit board 1 and the FPC 5 according to the twelfth embodiment, and FIG. 17 (B) is a plan view of the conductive element. 17
(C) is a front sectional view of the conductive element.

FIG. 18 is a front sectional view showing a connection structure between a circuit board 1 and an FPC 5 according to a thirteenth embodiment.

FIG. 19 is a schematic perspective view of the circuit board 1 and the connector 14.

FIG. 20 is a side view of the connector 14.

FIG. 21 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the 14th embodiment.

FIG. 22 is an exploded perspective view of the connection structure between the circuit board 1 and the FPC 5 according to the fifteenth embodiment.

FIG. 23 is a front cross-sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the 16th embodiment.

FIG. 24 is a left side view of FIG. 23.

FIG. 25 is a plan view of FIG. 23.

FIG. 26 is a sectional view of the connection structure between the circuit board 1 and the FPC 5 according to the 17th embodiment.

FIG. 27 is a cross-sectional view of a conventional connection structure.

[Explanation of reference numerals] 1 circuit board 3 case 4 electrode of circuit board 1 5 FPC 6 electrode of FPC 5 7 slider 10 conductive chip 11 conductive wire 14 connector 15a locking pin (positioning part) 16 terminal part 16e notch (positioning) Part) 33 through hole

Claims (10)

[Claims] 1. A structure for electrically connecting a circuit board, which has rigidity and is housed and fixed in a case, and an FPC arranged along the case, wherein the FPC is provided in a through hole formed in the case. An electrode and an electrode of the circuit board are arranged substantially parallel to each other, and a slider is press-fitted into the through hole to bring the electrode of the FPC and the electrode of the circuit board into contact with each other. Connection structure with. 2. The circuit board and the FP according to claim 1, wherein a conductive element is provided on the electrode of the circuit board.
Connection structure with C. 3. The connection structure between a circuit board and an FPC according to claim 2, wherein the conductive element is a conductive chip. 4. The connection structure between a circuit board and an FPC according to claim 2, wherein the conductive element is a conductive wire. 5. A structure for electrically connecting a circuit board, which has rigidity and is housed and fixed in a case, and an FPC arranged along the case, wherein the FPC is provided in a through hole formed in the case. The electrodes and the electrodes of the circuit board are arranged substantially parallel to each other, and a connector is provided between the circuit board and the FPC, so that the electrodes of the FPC and the electrodes of the circuit board are connected via the connector. A connection structure between a circuit board and an FPC, which is electrically connected. 6. The connection structure between a circuit board and an FPC according to claim 5, wherein the connector is fixed to the circuit board in advance. 7. The connection structure between a circuit board and an FPC according to claim 5, wherein the connector is fixed to the case in advance. 8. The connection structure between a circuit board and an FPC according to claim 5, wherein the connector includes only a terminal portion. 9. The connection structure between a circuit board and an FPC according to claim 5, wherein the terminal portion of the connector has elasticity. 10. The connection structure between a circuit board and an FPC according to claim 5, wherein a positioning portion is formed on the connector.