JP3222842B2 - Board connection connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a connector for connecting a board.

[0002]

2. Description of the Related Art FIG. 4 is a sectional view showing a state in which two flexible substrates are mounted on a connector for connecting a flexible substrate.

The housing 110 has a first board insertion section 111 and a second board insertion section 112 provided in a stepped manner. The first contacts 120 that are in contact with the first flexible board 160 are arranged in the first board insertion section 111. The second substrate insertion portion 112 has a second contact 13 that contacts the second flexible substrate 150.
0 is arranged.

[0004] First and second substrate insertion portions 111 and 112
An L-shaped pressing member 140 is rotatably mounted in the opening 113 of the housing 110 located above the housing 110. The pressing member 140 includes a first pressing member 142 and a second pressing member.
It has a pressure member 141.

The second pressing member 141 of the pressing member 140 is
The contact portion 131 of the second contact 130 is pressed via the second flexible substrate 150. Pressing member 140
The first pressing member 142 is connected to the first contact 120 via the first and second flexible substrates 160 and 150.
Is pressed.

[0006]

However, in the connector for board connection, the distance from the rotation supporting portion 143 of the pressing member 140 to the first pressing portion 142 for pressing the first and second flexible substrates 160 and 150 is small. Since the length is long, the force for pressing the first and second flexible substrates 160 and 150 is small, and there is a problem that a stable contact force cannot be obtained.

Further, since the first substrate insertion portion 111 and the second substrate insertion portion 112 are provided in the housing 110 in a stepwise manner, the length of the housing 110 in the length of the substrate insertion direction is increased, and the connector is not used. There was a problem of being larger.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a connector for connecting a board which can obtain contact stability and can be reduced in size.

[0009]

According to a first aspect of the present invention, there is provided an insulator and a plurality of substrates provided on the insulator and inserted into the insulator in parallel with each other, except for a lowermost portion of the plurality of substrates. An upper contact having a contact portion capable of contacting the conductor pattern of the substrate, a lower contact provided on the insulator and having a contact portion capable of contacting the conductor pattern of the lowermost substrate, and the plurality of substrates A pressing member for pressing the uppermost substrate in the lowermost substrate and bringing the contact portion of the lower contact into contact with the conductor pattern of the lowermost substrate, wherein each of the substrates and the contact portion of each of the contacts are laminated on the substrate. The protrusions provided at the contact portions of the upper contacts and the contact portions of the lower contacts face each other in the substrate laminating direction. The features.

When the contact contact portion of the upper contact is pressed against the uppermost substrate of the plurality of substrates, the contact contact portion of the lower contact is applied to the conductor pattern of the lowermost substrate of the plurality of substrates with a large force. Can be imposed.

According to a second aspect of the present invention, in the connector for board connection according to the first aspect, a plurality of the upper contacts are arranged in a board stacking direction.

By holding a plurality of upper contacts in the substrate laminating direction by the insulator, three or more substrates can be arranged in the substrate laminating direction.

[0013]

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

FIG. 1 is a perspective view of a board connecting connector according to a first embodiment of the present invention.

The board connector 1 includes a housing (insulator) 10, a first contact (upper contact) 20, a second contact (lower contact) 30, and a pressing member 40.

The housing 10 has a substantially rectangular parallelepiped shape. FPC insertion ports 11 and 12 are provided on the front surface, and an opening 13 is provided on the upper surface 10b.

FIG. 2 is a sectional view showing a state where the board is not mounted on the board connecting connector of FIG. 1, and FIG. 3 is a sectional view showing a state where the board is mounted.

In this embodiment, an FPC (Fl
exible printed circuit) 5
0,60 was used.

The first contact 20 includes a supporting portion 21 for rotatably supporting the pressing member 40, a contact contact portion (contact portion) 22 for contacting a conductive pattern (not shown) of the FPC 50, and a lower portion of the FPC 50. A projection 23 for pressing the FPC 60 and a press-fit portion 24 that is press-fitted into the hole 14 of the housing 10 are provided.

The tip 21a of the support 21 is formed in a hook shape.

The contact contact portion 22a is formed at the tip of the spring portion 22 and can be displaced in a vertical direction (substrate stacking direction).

The contact contact portion 22a is
And in the vertical direction. The FCP 50 inserted into the FPC insertion slot 11 is located between the pressing member 40 and the contact contact portion 22a.

The spring portion 22 has a protrusion 23 formed integrally with the contact contact portion 22a.

The second contact 30 has a contact contact portion (contact portion) 31 that contacts a conductive pattern (not shown) of the FPC 60 and a press-fit portion 32 that is press-fitted into the hole 15 of the housing 10.

The contact contact portion 31a is opposed to the protrusion 23 in the vertical direction. FP inserted into FPC insertion slot 12
C60 is located between the protrusion 23 and the contact contact portion 31a.

The contact contact portion 31a is formed at the tip of the spring portion 31 and is displaceable in the vertical direction.

The pressing member 40 has a groove 42 along the longitudinal direction.
Is formed, and the tip end 21a of the support portion 21 of the first contact 20 is rotatably supported in the groove 42.

Next, the FPCs 50, 6
The mounting of 0 will be described.

First, the support portion 21 is inserted into the groove 42 of the pressing member 40.
(See FIG. 2).

The FPCs 50 and 60 are inserted into the FPC insertion ports 11 and 1
Insert into 2. As a result, the FPCs 50 and 60 and the contact contact portions 22a and 31a are alternately arranged in the vertical direction.

At this time, the conductor pattern of the FPC 50 comes into contact with the contact contact portion 22a of the first contact 20.

The conductor pattern of the FPC 60 contacts the contact contact portion 31a of the second contact 30.

Thereafter, the groove 42 of the pressing member 40 and the support portion 2
The pressing member 4 having a contact point with the tip 21a of the first member as a center of rotation.
0 in the counterclockwise direction (see FIG. 3),
1 is pressed against the FPC 50, and the FPC 50 is pressed down.

As a result, the contact portion 22a of the first contact 20 is pressed against the FPC 50 by the elastic force of the spring portion 22 of the first contact 20.

At this time, the contact contact portion 22a is displaced downward, and the projection 23 pushes down the FPC 60.

As a result, the contact portion 31a of the second contact 30 is pressed against the FCP 60 by the elastic force of the spring portion 22 of the first contact 20.

At this time, the opening 13 of the housing 10 is closed by the pressing member 40.

According to this embodiment, the following effects can be obtained.

Since the contact contact portion 31a of the second contact 30 is vertically opposed to the projection 23 provided integrally with the contact contact portion 22a, the contact member of the first contact 20 is pressed by the pressing member 40. 22a to FP
When pressed against C50, the contact contact portion 31a of the second contact 30 can be pressed with a large force against the conductor pattern of the FPC 60, and the contact of the second contact 30 can be reduced as compared with the second pressing portion 141 of the conventional connector. A stable contact force between the contact portion 31a and the FPC 60 can be obtained, and a large clamping force by the pressing member 40 is secured, so that the FPC 60 is securely held.

As in the case of the conventional connector,
Since it is not necessary to dispose the CP insertion portions 111 and 112 in a stepwise manner, the dimension of the housing 10 in the board insertion direction does not increase, and the size of the board connection connector can be reduced.

As a modified example of the above embodiment, a plurality of first
The contacts 20 may be arranged vertically in the housing 10 so that three or more FPCs can be mounted.

According to this modification, the mounting density can be further increased.

In the above embodiment, the rotary pressing member 40 is used. However, the configuration is not limited to the rotary type as long as it can press the FPCs 50 and 60. For example, the pressing member is connected between the contact 20 and the FPC 50. FPC
60 may be inserted into the contact contact portion 31a.

In the above embodiment, the substrate is an FPC.
Was used, but FFC (Flexible Flat C
able) or a hard printed circuit board may be used.

[0045]

As described above, according to the connector for board connection according to the first aspect of the present invention, when the contact portion of the upper contact is pressed against the uppermost board of the plurality of boards, The contact contact portion of the side contact can be pressed with a large force against the conductor pattern of the lowermost substrate among the plurality of substrates, and the contact contact portion of the second contact and the stable contact between the substrate and the conventional contact can be achieved. You can gain power.

According to the second aspect of the present invention, it is possible to arrange three or more substrates in the substrate stacking direction by causing the insulator to hold the plurality of upper contacts in the substrate stacking direction. The mounting density can be further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a board connection connector according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where a board is not mounted on the board connecting connector.

FIG. 3 is a cross-sectional view showing a state where the board is mounted on the board connecting connector.

FIG. 4 is a sectional view showing a state in which an FPC is mounted on a conventional connector for connecting a flexible substrate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Housing (insulator) 20, 30 Contact 22, 31 Contact part 23 Projection 40 Pressing member 50, 60 FPC (substrate)

Claims (2)

(57) [Claims] An upper contact provided on the insulator, the upper contact having a contact portion provided on the insulator and capable of contacting a conductor pattern of a substrate other than the lowermost substrate among a plurality of substrates inserted in parallel with the insulator; A lower contact provided on the insulator and having a contact portion capable of contacting the conductor pattern of the lowermost substrate; and a conductor pattern of the lowermost substrate by pressing an uppermost substrate of the plurality of substrates. And a pressing member for bringing the contact portion of the lower contact into contact with the substrate. The substrate and the contact portion of the contact are alternately arranged in the substrate stacking direction, and are provided at the contact portion of the upper contact. A connector for connecting a board, wherein a projection and a contact portion of the lower contact face each other in a board stacking direction. 2. The board connection connector according to claim 1, wherein a plurality of the upper contacts are arranged in a board laminating direction.