JP2000123892A - Board connection connector - Google Patents

Abstract

(57) [Problem] To provide a board connection connector which can eliminate the need for components used only as an actuator and can connect boards without soldering or the like. A housing (10) and a housing (10)
And the FPC insertion hole 11 into which the first substrate 30 is inserted, and the FPC insertion hole 11 provided along the longitudinal direction of the housing 10 so that the substrate 40 is substantially perpendicular to the insertion direction of the FPC insertion hole 11. And a plurality of contacts 2 capable of contacting the conductor patterns 31 and 41 of the boards 30 and 40 inserted into the board insertion holes 11 and 12, respectively.
0, the spring portion 21 of the contact 20 having the hook-shaped spring portion 21 is connected to the board 4.
The first contact portion 21a that is displaced when the “0” is inserted into the board insertion hole 12 and contacts the conductor pattern 41 of the board 40, and the conductor pattern 31 of the FPC 30 in the FPC insertion hole due to the displacement of the first contact portion 21a. Contact with the second
And the contact portion 21b.

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 A conventional board connection connector capable of connecting boards with no or low insertion force includes:
It is described in Japanese Utility Model Laid-Open No. 7-18386.

This board connection connector includes a housing fixed to a printed circuit board, and an FPC (Flexible Printed Circular) formed on the housing.
and a cover provided in the housing, and a cover inserted into the cover insertion hole.

[0004] The contact is provided facing the cover insertion hole, and a pressing piece displaced by the insertion of the cover, and an FPC.
A pressure contact piece provided facing the insertion hole and contacting the FPC in conjunction with the elastic displacement of the pressing piece when the cover is inserted.

[0005] According to this board connection connector, the press-contacting piece is inserted into the FPC by inserting the cover into the cover insertion hole.
And the printed circuit board and the FPC can be connected.

[0006]

However, since this board connector requires a cover as an actuator, there is a problem that the number of parts is large and the cost is increased.

In order to mount the connector on the printed circuit board, it is necessary to solder the housing to the printed circuit board.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and an object thereof is to provide a connector for connecting a substrate which does not require a component used only as an actuator and which can connect substrates without soldering or the like. That is.

[0009]

According to a first aspect of the present invention, there is provided an insulator provided along a longitudinal direction of the insulator, wherein a first substrate is inserted into which a first substrate is inserted. A hole, a second board insertion hole provided along a longitudinal direction of the insulator, wherein a second board is inserted substantially at right angles to an insertion direction of the first board, and both the board insertion holes. A plurality of contacts that can be brought into contact with the conductor patterns of both the inserted substrates, wherein the contacts have hook-shaped spring portions, and the spring portions are
A first contact portion that is displaced when the second substrate is inserted into the second substrate insertion hole and contacts a conductor pattern of the second substrate, and the first contact portion is displaced by the displacement of the first contact portion. A second contact portion that contacts the conductor pattern of the first substrate in the first substrate insertion hole.

Since the printed circuit board functions as an actuator, a dedicated actuator as in the prior art is not required. When the second substrate is inserted into the second substrate insertion hole, the first contact portion is displaced upward in a state where the first contact portion is in contact with the conductor pattern of the second substrate, and Elasticity acts on the second substrate.

According to a second aspect of the present invention, there is provided an insulator, a second substrate insertion hole provided in the insulator, into which a second substrate is inserted, and both sides of the insulator with the second substrate insertion hole interposed therebetween. First and third substrate insertion holes, wherein the first and third substrates are inserted substantially at right angles to the second substrate, respectively, and the first and second substrate insertion holes A plurality of first contacts capable of contacting the conductor patterns of the first and second substrates inserted into the holes, and the second and third substrates inserted into the second and third substrate insertion holes A plurality of second contacts capable of contacting the first and second conductor patterns, wherein the first and second contacts are symmetrically arranged on both sides of the second substrate insertion hole, and the first and second contacts are provided. Contact has a hook-shaped spring portion, A first contact portion that is displaced when the second substrate is inserted into the second substrate insertion hole and that contacts a conductor pattern on one surface of the second substrate. A second contact portion that contacts a conductor pattern of the first substrate in the first substrate insertion hole by displacement of the first contact portion;
A third contact portion that is displaced when the second substrate is inserted into the second substrate insertion hole and that contacts the conductor pattern on the other surface of the second substrate. And a fourth contact portion that contacts the conductor pattern of the third substrate in the third substrate insertion hole by displacement of the second contact portion.

Since the printed circuit board functions as an actuator, a dedicated actuator as in the conventional example is not required. Further, when the second substrate is inserted into the second substrate insertion hole, the first contact portion is in a state where the first contact portion and the third contact portion are in contact with each conductor pattern of the second substrate. The third contact portion is displaced downward while being displaced upward, and the elasticity of the spring portion of the first contact and the elasticity of the spring portion of the second contact respectively act on the second substrate.

[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, and FIG. 2 is a sectional view of the board connecting connector of FIG.

The board connector 1 includes a housing (insulator) 10 and a plurality of contacts 20 mounted in the housing 10.

The housing 10 has a substantially rectangular parallelepiped shape. An FPC insertion hole (first substrate insertion hole) 11 for inserting an FPC (first substrate) 30 is provided on the upper surface 10a along the longitudinal direction of the housing 10, and a printed circuit board (second substrate) is provided on the front surface 10b. A board insertion hole (second board insertion hole) 12 for inserting the 40 is provided along the longitudinal direction of the housing 10.

The contacts 20 are arranged along the longitudinal direction of the housing 10. The contact 20 has a hook-shaped spring portion 21 and a press-fit portion 22 that is press-fitted into the hole 13 of the housing 10.

The spring portion 21 has a first contact portion 21a projecting downward (downward in FIG. 2) and a second contact portion 21b projecting rearward (right side in FIG. 2).

Next, the FPC 30 using this connector 1
A connection operation between the power supply and the printed circuit board 40 will be described.

First, the FPC 30 is inserted into the FPC insertion hole 11 until the front end of the FPC 30 contacts the innermost part of the FPC insertion hole 11. (See FIG. 2). At this time, the second contact portion 21b has not yet contacted the conductor pattern 31 of the FPC 30.

Next, the printed board 40 is inserted into the board insertion hole 12.
Insert

When the printed board 40 is inserted into the board insertion hole 12, the conductor pattern 41 of the printed board 40
, And the first contact portion 21a is displaced upward.

The second contact portion 21b is displaced rearward by the upward displacement of the first contact portion 21a, and comes into contact with the conductor pattern 31 of the FPC 30.

As a result, the conductive pattern 31 of the FPC 30
And the conductive pattern 41 of the printed board 40 are electrically connected via the contact 20.

According to this embodiment, the printed circuit board 40
Function as an actuator, a dedicated actuator as in the conventional example is not required, the number of components can be reduced, and the cost can be reduced.

The printed board 40 is inserted into the board insertion hole 12.
When the first contact portion 21a is inserted into the printed circuit board 40,
Is displaced upward in contact with the conductive pattern 41, and the elastic force of the spring portion acts on the printed board 40, so that the connector 1 is fixed to the printed board 40. Therefore, soldering between the printed circuit board 40 and the contact 20 is not required.

Therefore, the connection work between the boards is facilitated, and the connector 1 can be mounted on the end of the printed board 40, so that the mounting density of the printed board can be increased.

FIG. 3 is a perspective view of a board connecting connector according to a second embodiment of the present invention, and FIG. 4 is a sectional view of the board connecting connector of FIG.

The board connector 100 includes a housing (insulator) 110, a plurality of first contacts 120A, and a plurality of second contacts 120B.

The housing 110 has a substantially rectangular parallelepiped shape. FPC for inserting FPC 130 into its upper surface 110a
An insertion hole (first board insertion hole) 111 is provided on the front surface 110b, a board insertion hole (second board insertion hole) 112 for inserting the printed circuit board 140, and a lower surface 110c is provided with an FPC insertion hole (third board) for inserting the FPC 150. Board insertion holes) 113 are provided along the longitudinal direction of the housing 10, respectively.

The first contact 120A and the second contact 120B are respectively arranged along the longitudinal direction of the housing 110.

The first contact 120A and the second contact 120B are arranged symmetrically with respect to the board insertion hole 112 (see FIG. 4).

The contact 120A has a hook-shaped spring portion 12
1A and a press-fit portion 122A press-fit into the hole 113a of the housing 110.

The contact 120B is connected to the hook-shaped spring 12
1B, and a press-fit portion 122B press-fit into the hole 113b of the housing 110.

The spring portion 121A has a first contact portion 121a projecting downward (downward in FIG. 4) and a rearward portion (right side in FIG. 4).
And a second contact portion 121b protruding from the second contact portion 121b.

The spring portion 121B has a third contact portion 121c protruding upward (upward in FIG. 4) and a rearward portion (right side in FIG. 4).
And a fourth contact portion 121d protruding from the second contact portion.

Next, an FPC using this connector 100
A connection operation between the printed circuit boards 130 and 150 and the printed circuit board 140 will be described.

First, the FPC 130 is inserted into the FPC insertion hole 111 until the tip of the FPC 130 contacts the innermost part of the FPC insertion hole. At this time, the second contact portion 121b
Have not yet contacted the conductor pattern 131 of the FPC 130.

After that, the FPC 150 is pushed until the front end of the FPC 150 comes into contact with the innermost portion of the FPC insertion hole 113.
Insert into PC insertion hole 113. At this time, the fourth contact portion 121d has not yet contacted the conductor pattern 151 of the FPC 150.

Next, the printed board 140 is inserted into the board insertion hole 1.
Insert into 12.

When the printed board 140 is inserted into the board insertion hole 112, the conductor pattern 141A on one surface of the printed board 140 is in the first contact portion 121a, and the conductor pattern 141B on the other surface is in the third contact portion. The first contact portions 121a are respectively displaced upward and the third contact portions 121c are displaced downward.

The upward displacement of the first contact portion 121a causes the second contact portion 121b to be displaced rearward, and the FPC 13
The contact is made with the 0 conductor pattern 131.

The fourth contact portion 121d is displaced rearward by the downward displacement of the third contact portion 121c, and the FPC 15
The contact is made with the 0 conductor pattern 151.

As a result, the conductive pattern 1 of the FPC 130
31 and one conductive pattern 141 of the printed circuit board 140
A is electrically connected through a contact 120A, and the conductive pattern 151 of the FPC 150 and the other conductive pattern 141B of the printed circuit board 140 are electrically connected through a contact 120B.

According to this embodiment, the same effects as in the first embodiment can be obtained, and the two FPCs 130 and 15 can be used.
0 to the printed circuit board 140 using one connector 100.
, The mounting density of the printed circuit board 140 is higher than when two connectors 1 of the first embodiment are used.

In the above embodiment, the printed circuit board and the F
Although the case of connecting to a PC has been described, the printed circuit board and the FPCs can be connected to each other according to the board connecting connector 100 of the above embodiment.

Also, instead of FPC, FFC (Flex
(i.e., Flat Flat Cable).

[0048]

As described above, according to the connector for connecting a board according to the first aspect of the present invention, a dedicated actuator is not required unlike the conventional example, the number of parts can be reduced, and the cost can be reduced. Can be reduced. Also,
Since the soldering between the second substrate and the contact is not required, the connection work between the first substrate and the second substrate is facilitated, and the connector can be mounted on the end of the second substrate. The mounting density of the second substrate can be increased.

According to the connector for connecting a board of the second aspect of the invention, the same effect as that of the connector for connecting a board according to the first aspect is obtained, and the first board and the third board are connected to one another by one. Since the connector can be used to connect to the second board, the mounting density of the second board is higher than when two board connecting connectors are used.

[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 sectional view of the board connection connector of FIG. 1;

FIG. 3 is a perspective view of a board connection connector according to a second embodiment of the present invention.

FIG. 4 is a sectional view of the board connection connector of FIG. 3;

[Explanation of symbols]

10, 110 housing (insulator) 11, 111 FPC insertion hole (first substrate insertion hole) 12, 112 substrate insertion hole (second substrate insertion hole) 20, 120A, 120B contact 21, 121A, 121B spring portion 21a, 121a First contact portion 21b, 121b Second contact portion 30, 130 FPC (first substrate) 31, 41, 131, 141A, 141B, 150 Conductive pattern 40, 140 Substrate (second substrate) 113 Insertion of FPC Hole (third substrate insertion hole) 121c Third contact part 121d Fourth contact part 150 FPC (third substrate)

Claims (2)

[Claims] An insulator, a first board insertion hole provided along a longitudinal direction of the insulator and into which a first board is inserted, and a second board provided along a longitudinal direction of the insulator. A second board insertion hole inserted substantially at right angles to the insertion direction of the first board,
A plurality of contacts that can be brought into contact with the conductor patterns of the two substrates inserted into the two substrate insertion holes, wherein the contacts have hook-shaped spring portions; A first contact portion that is displaced when inserted into the second substrate insertion hole and contacts a conductor pattern of the second substrate, and the first contact portion is displaced inside the first substrate insertion hole by displacement of the first contact portion. The first of
And a second contact portion that contacts the conductor pattern of the substrate. 2. An insulator, a second substrate insertion hole provided in the insulator, into which a second substrate is inserted, and symmetrically provided on both sides of the second substrate insertion hole of the insulator. A first and a third substrate are inserted substantially at right angles to the second substrate, respectively.
And a third board insertion hole; a plurality of first contacts capable of contacting the conductor patterns of the first and second boards inserted into the first and second board insertion holes; A plurality of second contacts that can be brought into contact with the conductor patterns of the second and third substrates inserted into the third substrate insertion holes, wherein the first and second contacts are inserted into the second substrate. The first and second contacts have hook-shaped spring portions, and the spring portion of the first contact is configured such that the second substrate is the second substrate. A first contact portion that is displaced when inserted into the substrate insertion hole and contacts a conductor pattern on one surface of the second substrate; and a first contact portion inside the first substrate insertion hole due to the displacement of the first contact portion. And a second contact portion that contacts the conductor pattern of the first substrate. The spring portion of the second contact is displaced when the second substrate is inserted into the second substrate insertion hole and contacts the conductor pattern on the other surface of the second substrate. A third contact portion and a fourth contact portion that contacts a conductor pattern of the third substrate in the third substrate insertion hole by displacement of the second contact portion. connector.