JP3062922B2 - connector - 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,
In particular, the present invention relates to a connector that is inserted between a printed board and an electronic component and that performs electrical connection by applying a compressive force from the outside. Note that the electronic component to which the present invention is directed includes a printed circuit board, and the connector may be one for electrically connecting the two printed circuit boards.

[0002]

2. Description of the Related Art Conventionally, as this type of connector, for example, a connector disclosed in Japanese Utility Model Publication No. 7-13191 is known. This connector, as shown in FIG.
For example, a contact 63 is inserted between the printed circuit board 61 and the electronic component 62, and a compressive force for compressing the contact 63 is applied to the printed circuit board 61 and the electronic component 62 from outside to make an electrical connection therebetween. It is configured as follows.

[0003]

In the conventional connector described above, the contact 63 has a complicated shape in order to secure a large displacement amount of the contact 63 in the compression direction.
In addition, the line length of the contact 63 is increased, and the inductance is increased, which may not be suitable for a high-frequency signal. Further, such a contact 63 has a problem that the amount of wiping is relatively small due to its structure.

[0004] The technical problem of the present invention is to provide a connector which can eliminate the above-mentioned conventional disadvantages by a simple shape, that is, a connector which has a short line length, good high-frequency characteristics and a relatively large wiping amount. is there.

[0005]

According to the present invention, there is provided a substantially thick plate having first and second main surfaces parallel to each other, and the first main surface faces a printed circuit board (14). An insulator (21) inserted between the printed circuit board (14) and the electronic component (11) so that the second main surface faces the electronic component (11); and the insulator ( 21) a contact (22) inserted into a contact receiving hole (211) formed in the printed circuit board (14) and the electronic component (11).
In the connector for electrically connecting the contact (22), the contact receiving hole (211) has a side surface parallel to a thickness direction of the insulator (21), and the contact (22).
Has a first contact (221) at the bent top and a second contact (222) at one end, and has a bent top and the one end. An intermediate portion between the end portion and the other end portion (223) is regulated by the side surface of the contact receiving hole (211), and the printed circuit board (14) and the electronic component (11).
A second compressive force is applied to the contact (22) to cause the second contact (222) to move in a first direction parallel to the surface of the printed circuit board (14). The contact (2) of the side surface of the contact receiving hole (211) is displaced.
2) The region where the top portion including the bent top is located is
The contact (22) is recessed in a second direction opposite to the first direction from a region where the intermediate portion is located.
The protruding portion including the bent top portion of the contact (2) projects in the second direction from the intermediate portion, and the contact (2)
2) is to prevent the contact receiving hole (211) from coming off the first main surface side of the contact receiving hole (211).

According to the present invention, there is also provided a substantially thick plate having first and second main surfaces parallel to each other, the first main surface facing the printed circuit board (14), and the second main surface facing the printed circuit board (14). An insulator (21) inserted between the printed board (14) and the electronic component (11) so that the main surface of the insulator faces the electronic component (11), and the insulator (21) is formed on the insulator (21). And a contact (22) inserted into the contact receiving hole (211) for electrically connecting the printed board (14) and the electronic component (11). , Is formed in a substantially U-shape, and has a first contact (22
1) and a second contact (22) at one end.
2), and the other end (223) is restricted by the side surface of the contact receiving hole (211), and the contact (22) is provided between the printed board (14) and the electronic component (11). The second contact (222) is connected to the printed circuit board (14) by applying a compressive force to the printed circuit board (14).
And the other end (223) of the contact (22) is wider than the other part of the contact (22). The connector is formed so as to prevent the contact (22) from coming off from the second main surface side of the contact receiving hole (211).

[0007] According to the present invention, furthermore, the first parallel members are provided.
And a substantially thick plate having a second main surface, the first main surface facing the printed circuit board (14), and the second main surface facing the electronic component (11). An insulator (21) inserted between the printed board (14) and the electronic component (11); and a contact (22) inserted into a contact receiving hole (211) formed in the insulator (21). ), The connector for electrically connecting the printed circuit board (14) and the electronic component (11).
1) includes a side surface parallel to the thickness direction of the insulator (21), the contact (22) is formed in a substantially U-shape, and a first contact (221) is provided at a bent top thereof. One end is provided with a second contact point (222), and an intermediate portion between the bent top and the one end and the other end (223) are each provided with the contact receiving hole (211). The second contact point (222) is regulated by applying a compressive force to the contact (22) between the printed board (14) and the electronic component (11). The printed circuit board (1
4) a portion of the side surface of the contact receiving hole (211), which is displaced in a first direction parallel to the surface of (4), and includes the bent top portion of the contact (22). Is recessed in a second direction opposite to the first direction than the region in which the intermediate portion is located, and the crest portion including the bent top of the contact (22) is The contact (22) is projected from the first main surface side of the contact receiving hole (211) so as to prevent the contact (22) from coming off from the first main surface side of the contact receiving hole (211).
The other end (223) of 2) is connected to the contact (2).
The connector is formed wider than the other part of 2), and prevents the contact (22) from coming off from the second main surface side of the contact receiving hole (211). can get.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A connector according to an embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1A and 1B are diagrams showing a configuration of an electronic device to which the present connector is applied, wherein FIG. 1A is a front view and FIG. 1B is a side view. FIG. 1 (a) and (b)
The electronic component 11 such as an IC is mounted on a printed circuit board 14 disposed below the cover 13 having a window 131 for exposing the electronic component 11. The printed circuit board 14 is further mounted on a metal plate 16 via an insulating film 15. An insulator frame 17 is interposed around the electronic component 11 between the cover 13 and the printed board 14. An insulator 21 which is a frame-shaped insulating plate is arranged inside the insulator frame 17 and below the peripheral portion of the electronic component 11. Then, in the four corners of the cover 13, the insulator frame 17, the printed board 14, and the metal plate 16 are penetrated,
A bolt 19 is provided. The bolt 19 is formed in the metal plate 16 and screwed into a screw hole (not shown). Thus, the electronic component 11, the insulator 21, and the printed circuit board 14 are sandwiched between the cover 13 and the metal plate 16, and an external force is applied so as to press against each other. The connector according to one embodiment of the present invention includes an insulator 21.

FIG. 2 is a sectional view taken along the section line A ₁ -A ₂ in FIG. FIG. 3 is a top view of the insulator 21. 2, a large number of contact receiving holes 211 are formed in an insulator 21 which is a frame-shaped insulating plate interposed between a peripheral portion of the electronic component 11 and the printed board 14, as shown in FIG. A U-shaped contact 22 is inserted. These U-shaped contacts 22 receive a compressive force from the lower surface of the electronic component 11 and the upper surface of the printed circuit board 14 by the bolt 19, and make an electrical connection therebetween. The connector according to one embodiment of the present invention includes an insulator 21 and a U-shaped contact 2.
2 is constituted.

FIG. 4 is a perspective view showing a detailed structure of the U-shaped contact 22. As shown in FIG. FIG. 5 is a cross-sectional view taken along a cut surface perpendicular to FIG. 2 showing the vicinity of the U-shaped contact 22 in detail. However, in FIG. 5, for convenience of explanation, U
The sectional shape of the character-shaped contact 22 itself is not shown. In FIG. 4, the U-shaped contact 22 is formed in a substantially U-shape by punching and bending a metal plate. A first contact 221 is formed on the bent top of the U-shaped contact 22,
One end of the U-shaped contact 22 is slightly curved toward the inside of the U-shape, and the second contact 22
2 are formed. End 22 of U-shaped contact 22
5, the U-shaped contact 22 is formed wider than other portions as shown in FIG.
Prevent from falling out of 1. U-shaped contact 22
A first bent portion 224 bent outward from the U-shape is formed on the way from the top to the end where the second contact point 222 is formed, and then the U-shaped portion is formed again. A second bent portion 225 that is bent toward the inside is formed. In the U-shaped contact 22, a third bent portion 226 bent toward the inside of the U-shape is formed on the way from the top to the wide end 223.

FIGS. 6A to 6D are cross-sectional views of a main part showing an assembling process in which the U-shaped contact 22 is housed in the contact receiving hole 211 of the insulator 21. FIG.

As shown in FIG. 6B, the contact receiving hole 211 formed in the insulator 21 is a through hole having a rectangular cross section perpendicular to the surface of the insulating plate as the insulator 21. However, one side of the U-shaped contact 22 is inclined toward the upper end of the through-hole in which the portion including the top of the U-shaped contact 22 is housed and arranged.
Is larger than the width B of the lower body (B <
A). In addition, the partition wall 212 that separates the plurality of contact receiving holes 211 from each other is formed to be shorter than the thickness of the insulating plate which is the insulator 21 in which the contact receiving holes 211 are formed, and is formed between the insulating plate 21 and the upper surface of the printed circuit board 14. Gap 2
13 are formed.

Referring to FIG. 6A, the U-shaped contact 2 is inserted into the contact receiving hole 211 of the insulator 21.
Before inserting and assembling, the U-shaped contact 22
In the middle from the top to the end where the second contact 222 is formed, the interval C between the second bent portions 225 where the interval between the opposing contact pieces is the largest is the width B of the contact receiving hole 211. It is stamped and bent to be larger.

In FIG. 6B, the insulator 21
In the state where the U-shaped contact 22 is inserted into the contact receiving hole 211 formed at the bottom and assembled, the second bent portion 225 in which the interval between the opposed contact pieces of the U-shaped contact 22 is the largest is formed in the width B. Contact receiving hole 211
Is compressed and inserted into the body portion of the. At this time, the second contact point 222 of the U-shaped contact 22 moves from the position P on the upper surface of the printed circuit board 14 shown in FIG. 6A to a position Q on the left side as shown in FIG. 6B. I do. Note that the position P
Is displaced from the first contact point 221 of the U-shaped contact 22 to the left side in the drawing with respect to the position R of a perpendicular line lowered on the upper surface of the printed circuit board 14.

FIG. 6C shows a process in which the U-shaped contact 22 receives a compressive force from the lower surface of the electronic component 11 and the upper surface of the printed circuit board 14 and elastically deforms when the bolt 19 is tightened. . FIG. 6D shows a state where the electrical connection is completed. During the elastic deformation process, the second contact 222 of the U-shaped contact 22 is
4 along the upper surface of FIG.
Move to the left position S on the drawing as shown in FIG.
The movement stops at the position T in FIG. 6D. Here, the second contact 222 contacts the wiring (not shown) on the upper surface of the printed circuit board 14 to complete the electrical connection.

[0017]

According to the connector of the present invention, the contact is formed in a substantially U-shape, the first contact is provided at the bent top, and the second contact is provided at one end.
And the other end is regulated by the side surface of the contact receiving hole, and the second contact is parallel to the surface of the printed circuit board by applying a compressive force to the contact between the printed circuit board and the electronic component. Since the contact is displaced in the direction, the structure of the contact is simple, and even if the line length of the contact is short, a large amount of displacement due to external compressive force can be obtained, so that the high frequency characteristics are excellent.

Further, since the structure of the contact is simple, it is easy to assemble the connector into the contact receiving hole formed in the insulator.

Further, due to the unique shape of the U-shaped contact, the amount of wiping of the second contact along the surface of the printed circuit board when applying a compressive force can be increased, and the reliability of the electrical connection can be improved. improves.

The amount of wiping can be easily adjusted to an appropriate amount by adjusting the size and shape of the U-shaped contact.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of an electronic device to which a connector according to an embodiment of the present invention is applied, (a) is a front view,
(B) is a side view.

FIG. 2 is a cross-sectional view taken along line A ₁ -A ₂ of FIG.

FIG. 3 is a top view showing an insulator of the connector shown in FIGS. 1 and 2;

FIG. 4 is a perspective view showing a U-shaped contact of the connector according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view of FIG. 2 showing details around a U-shaped contact;

FIGS. 6A to 6D are diagrams illustrating an assembling process in which a U-shaped contact is housed in an insulator.

FIG. 7 is a sectional view of a main part showing an example of a conventional connector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Electronic component 13 Cover 131 Window 14 Printed circuit board 15 Insulating film 16 Metal plate 17 Insulator frame 19 Bolt 21 Insulator 22 U-shaped contact 211 Contact receiving hole 212 Partition wall 213 Gap 221 First contact 222 Second contact 223 End 224 First bent part 225 Second bent part 226 Third bent part

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-8-162238 (JP, A) JP-A-8-96905 (JP, A) JP-A-7-254462 (JP, A) JP-A-4- 129180 (JP, A) JP-A-52-107589 (JP, A) JP-A-61-6286 (JP, U) JP-A-4-118586 (JP, U) JP-A-5-17946 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) H01R 23/68

Claims (3)

(57) [Claims] A first and a second main surface parallel to each other;
And the first main surface is printed board (1).
4) and the second main surface is connected to the electronic component (1).
The printed circuit board (14) is faced to 1).
The electronic component (11) insulator which is inserted arranged between the (21), and a contact (22) which is inserted into the insulator (21) which is formed in the contact receiving hole (211) in the In the connector for electrically connecting a printed circuit board (14) and the electronic component (11), the contact receiving hole (211) is provided with the insulator.
The contact (22) has a side surface parallel to the plate thickness direction of the contactor (21) , and the contact (22) is formed in a substantially U-shape. Comprises a second contact (222) and said bending
An intermediate portion between the top and the one end and the other end (223) are respectively provided in the contact receiving hole (21).
Is restricted to the side face of the 1), wherein the printed circuit board (14)
Between the contact (2) and the electronic component (11).
The second contact point (222) is displaced in a first direction out of a direction parallel to the surface of the printed circuit board (14) by applying a compressive force to 2). among the side surfaces of the contact receiving hole (211),
The bending regions received portion is positioned includes a top of the contact (22) is recessed in a second orientation opposite the first orientation than the region where said intermediate portion is located, the
The contact portion including the bent top of the contact (22)
Project from the intermediate portion in the second direction.
The contact (22) is connected to the contact receiving hole (2).
11) It is possible to prevent the first main surface from coming off the side.
A connector characterized in that: 2. A semiconductor device having a first and a second main surface parallel to each other.
And the first main surface is printed board (1).
4) and the second main surface is connected to the electronic component (1).
The printed circuit board (14) is faced to 1).
The electronic component (11) insulator which is inserted arranged between the (21), and a contact (22) which is inserted into the insulator (21) which is formed in the contact receiving hole (211) in the In the connector for electrically connecting a printed circuit board (14) and the electronic component (11), the contact (22) is formed in a substantially U-shape, and a first contact (221) is provided on a bent top portion. And one end is provided with a second contact (222), and the other end (223) is restricted by the side surface of the contact receiving hole (211). A compression force is applied to the contact (22) between the second contact (22) and the component (11).
2) is displaced in a first direction of a direction parallel to the surface of the printed circuit board (14), and the other end (223) of the contact (22).
Is formed to be wider than other portions of the contact (22), and prevents the contact (22) from coming off from the second main surface side of the contact receiving hole (211). Features connector. 3. A semiconductor device having first and second main surfaces parallel to each other.
And the first main surface is printed board (1).
4) and the second main surface is connected to the electronic component (1).
The printed circuit board (14) is faced to 1).
The electronic component (11) insulator which is inserted arranged between the (21), and a contact (22) which is inserted into the insulator (21) which is formed in the contact receiving hole (211) in the In the connector for electrically connecting a printed circuit board (14) and the electronic component (11), the contact receiving hole (211) is provided with the insulator.
The contact (22) has a side surface parallel to the plate thickness direction of the contactor (21) , and the contact (22) is formed in a substantially U-shape. Comprises a second contact (222) and said bending
An intermediate portion between the top and the one end and the other end (223) are respectively provided in the contact receiving hole (21).
Is restricted to the side face of the 1), wherein the printed circuit board (14)
Between the contact (2) and the electronic component (11).
The second contact point (222) is displaced in a first direction out of a direction parallel to the surface of the printed circuit board (14) by applying a compressive force to 2). among the side surfaces of the contact receiving hole (211),
The bending regions received portion is positioned includes a top of the contact (22) is recessed in a second orientation opposite the first orientation than the region where said intermediate portion is located, the
The contact portion including the bent top of the contact (22)
Project from the intermediate portion in the second direction.
The contact (22) is connected to the contact receiving hole (2).
11) It is possible to prevent the first main surface from coming off the side.
And than further the other end of the contact (22) (2
23) is formed wider than other portions of the contact (22), and prevents the contact (22) from coming off from the second main surface side of the contact receiving hole (211). A connector characterized in that: