JP2002184501A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the reliability of connection. SOLUTION: A pair of clamp contact pieces 71, 72 of a contact member 62 facing each other, are located inside a rectangular pipe-shaped space 65 surrounded by walls 66-99 of a housing. The clamping contact piece 71 has arm parts 73, 74, and the clamping contact 72 has arm parts 75, 76. The top end of the arm parts 74, 75 fittingly touch the wall 66, and the top end of the arm parts 73, 76 fittingly touch the wall 67, as a result, the contact pieces 71, 72 are positioned, and located at the center of the rectangular pipe-shaped space 65.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly, to a connector in which a pair of opposing pinching contact pieces is incorporated in a plurality of rectangular column-shaped spaces surrounded by walls formed in a housing. And a connector into which a contact pin is inserted.

[0002] There is a connector device comprising a male connector having contact pins and a female connector having a pair of opposed pinching contact pieces. In this connector device, it is required to improve the reliability of the connector connection.

[0003]

2. Description of the Related Art FIG. 1A shows a part of a conventional female connector 1 in an enlarged manner. Reference numeral 10 denotes a quadrangular prism-shaped space portion, which is formed in the housing and is surrounded on all sides by walls. Reference numeral 20 denotes a sandwiching contact member, which has a pair of opposed sandwiching contact pieces 21 and 22 and a contact leg 23. The pair of sandwich contact pieces 21 and 22 are incorporated in the quadrangular prism-shaped space 10 in a positional relationship facing each other.

The female connector 1 has contact pins 31
Male connector 30 having a pair of pinching contact pieces 2
It is inserted between 1 and 22 and connected.

[0005]

Normally, the pair of sandwiching contact pieces 21 and 22 are located at the center of the rectangular column-shaped space 10, and the male connector is aligned with the female connector in the connector connecting operation. Since the posture is performed, no trouble occurs, and the male connector and the female connector are normally connected by inserting the contact pin 31 between the pair of pinching contact pieces 21 and 22 as shown in FIG. You.

However, the pinch contact pieces 21 and 22 may be bent and deformed, and may be displaced from the center position of the rectangular column-shaped space 10. In such a case, FIG.
As shown in (A), there is a possibility that the contact pin 31 may enter the back side of the sandwiched contact piece 22.
In addition, even when the pair of sandwiching contact pieces 21 and 22 are located at the center of the quadrangular prism-shaped space portion 10, if the connection direction of the male connector is oblique due to, for example, a twisting operation, FIG. As shown in (B), there is a possibility that one pinching contact piece 21 may be bent and deformed.
If such a condition occurs, the connector will be poorly connected.

Therefore, an object of the present invention is to provide a connector that solves the above-mentioned problems.

[0008]

According to the first aspect of the present invention, there is provided a housing in which a plurality of columnar spaces surrounded by walls are arranged.
In a connector comprising a contact member having a contact piece, wherein the contact piece is incorporated in the columnar space, the contact piece extends from the contact piece in a direction in which the contact piece elastically deforms. Arm portion, and the tip of the arm portion faces the wall of the columnar space.

When the tip of the arm abuts against the wall of the columnar space, displacement of the contact piece in the columnar space is restricted. In addition, since the tip of the arm abuts against the wall of the columnar space, excessive deformation of the contact piece is limited.

According to a second aspect of the present invention, in the connector according to the first aspect, the arm portion includes one arm portion and another arm portion, and the one arm portion and the other arm portion are opposite to each other. And opposed to separate walls located on opposite sides of each other.

The one arm portion and the other arm portion extend in opposite directions, and abut against different walls located on opposite sides to prevent the contact piece from being displaced in the columnar space. And restricts the contact piece from being twisted in the columnar space. In addition, since the tip of the arm abuts against the wall of the columnar space, excessive deformation of the contact piece is limited.

According to a third aspect of the present invention, there is provided a housing in which a plurality of columnar space portions surrounded by a wall are arranged, and a sandwiching contact member having a pair of opposed sandwiching contact pieces. In the connector configured to be incorporated in the space, the pinch contact piece has an arm extending from the pinch contact piece in a direction in which the pinch contact piece is elastically deformed, and the tip of the arm portion has a columnar shape. It is configured to face the wall of the space.

When the tip of the arm abuts against the wall of the columnar space, the position of the pinch contact piece in the columnar space is prevented from shifting. In addition, since the tip of the arm abuts against the wall of the columnar space, the pinch contact piece is prevented from being excessively deformed.

According to a fourth aspect of the present invention, in the connector according to the third aspect, the arm of each of the pinch contact pieces includes one arm and another arm, and one arm and another arm. Is a configuration that extends in opposite directions and faces separate walls located on opposite sides of each other.

The one arm portion and the other arm portion extend in opposite directions to each other, and abutting against separate walls located on opposite sides of the arm portion may cause the pinch contact piece to be displaced in the columnar space. And the twisting of the sandwiched contact piece in the columnar space is limited. Also, by the tip of the arm hitting the wall of the columnar space,
Excessive deformation of the pinch contact piece is limited.

[0016]

3 and 4A and 4B show a connector device 40 according to an embodiment of the present invention. The connector device 40 includes a male connector 50 having two rows of contact pins 52 and 53 in a housing 51, and a housing 6.
The female connector 60 has two rows of sandwiching contact members 62 and 63 in one. The male connector 50 has the press-fit contact legs 52a, 53b at the lower ends of the contact pins 52, 53 inserted into two rows of holes 55, 56 of the base printed circuit board 54, and the printed circuit board 54
It is mounted while standing on the upper surface of the. Female connector 60
The positioning projection 61a of the housing 61 is fitted into the hole 64a of the small-sized printed circuit board 64, and the contact legs 77, 79 described later are connected to the printed circuit board 6 by a
4 is mounted by soldering on the pad 64b. As shown in FIG. 4B, the female connector 60 is
The connector device 40 is used to connect the small-sized printed circuit board 64 to the base printed circuit board 54.

As shown in FIGS. 4A and 4B, the upper surface of the printed circuit board 54 has a surface 57 in which one row of holes 55 is one step lower. Therefore, the male connector 50
Are two rows of press-fit contact legs 52a, 53
First, the press-fit contact legs 53a of the second row are inserted into the holes 56, and then the press-fit contact legs 52a of the first row are inserted into the holes 55. The male connector 50 can be easily mounted on the upper surface of the printed circuit board 54.

Next, the female connector 60 will be described.

FIG. 5 shows an enlarged portion of one pinching contact member 62 of the female connector 60. Reference numeral 65 denotes a quadrangular prism-shaped space portion, which is formed in the housing 61 and is surrounded on all sides by walls 66 to 69.

The pinching contact member 62 is shown in FIGS.
As shown in FIGS. 7A to 7E and FIG. 7, a U-shaped base 70, a pair of sandwiching contact pieces 71, 72 arranged on X1-X2, and an arm extending from the sandwiching contact piece 71. Parts 73 and 74, arms 75 and 76 extending from the pinching contact piece 72, and contact legs 77.

The U-shaped base 70 has three plate portions 70.
a, 70b and 70c. Nipping contact piece 71
Extends from the plate portion 70b in the Z1 direction, and the sandwiching contact piece 72 extends from the plate portion 70b in the Z1 direction. The pair of sandwiching contact pieces 71 and 72 are slanted so that the tip portions approach. Nipping contact pieces 71, 72
The X1-X2 direction is the thickness direction, the Y1-Y2 direction is the width direction, is elastically deformable in the X1-X2 direction, and is hardly bent in the Y1-Y2 direction.

The sandwiching contact piece 71 is located in the width direction Y2.
An arm 73 extends from the side and extends in the X2 direction, and an arm 74 extends from the Y1 side and extends in the X1 direction.

The sandwiching contact piece 72 is located in the width direction Y2.
It has an arm portion 75 extending from the side and extending in the X1 direction, and an arm portion 76 extending from the Y1 side and extending in the X2 direction.

In the Z1-Z2 direction, the arm 74 and the arm 75 are at the same position Z10, and the arm 73 and the arm 76 are
It is located at the same position Z11 higher than 0.

The length of the arms 74 and 75 is such that the ends of the arms 74 and 75 are set such that the pinch contact member 62 is attached to the housing 61 and is housed in the rectangular column-shaped space 65. , Are arranged so as to approach the wall 66 and face the wall 66. The length of the arm 73 and the arm 76 is such that the tip of the arm 73 and the arm 76 is Approaching the wall 67
It is determined to face.

The contact leg 77 extends from the plate 70a to Z2.
It extends in the direction and is bent.

The sandwiching contact member 62 is attached to the housing 61 by tightly fitting the U-shaped base 70 into the rectangular column space 65.

Here, the positions of the sandwiching contact pieces 71 and 72 in the rectangular column-shaped space 65 will be described.

I In the X1-X2 direction, the pinch contact pieces 71, 72 are such that the ends of the arms 74 and 75 abut the wall 66 as appropriate, and the ends of the arms 73 and 76 are the walls 6
7, is positioned at the center of the square pillar-shaped space 65 without shifting from the center of the square pillar-shaped space 65 in the X1-X2 direction.

Ii. In the Y1-Y2 direction: Since the sandwiching contact pieces 71 and 72 are unlikely to bend in the Y1-Y2 direction, the sandwiching contact pieces 7
Reference numerals 1 and 72 are located at the center of the quadrangular columnar space 65.

Iii) With respect to the direction of twisting: the tips of the arms 74 and 75 abut against the wall 66 and the tips of the arms 73 and 76 abut against the wall 67, so that the pinching contact pieces 71 and 72 6B, the deformation in the twisting direction as indicated by the arrow 78 is also restricted.

The arm portions 73 to 76 are used when the pinch contact pieces 71 and 72 are bent beyond a normal degree.
When the tips of the arms 74 and 75 abut against the wall 66 or the tips of the arms 73 and 76 abut against the wall 67, the pinch contact pieces 71 and 72 bend beyond their normal extent. It also has a limiting role.

Next, the operation when connecting the female connector 60 to the male connector 50 will be described.

Since the sandwiching contact pieces 71 and 72 are located at the center of the quadrangular columnar space 65 without being twisted, as shown in FIG. 2A, the contact pins enter the back side of the sandwiching contact piece. As shown in FIG. 4B, the contact pin 52 is relatively sandwiched between the contact pieces 71 and 72, and the female connector 60 is normally connected to the male connector 50.

When the female connector 60 is connected to the male connector 50, a prying operation is sometimes performed. When this twisting operation is performed, the sandwiching contact pieces 71 and 72 tend to bend beyond a normal degree. However, when the tips of the arms 74 and 75 abut against the wall 66 or the tips of the arms 73 and 76 abut against the wall 67, the pinch contact pieces 71 and 72 bend beyond their normal extent. Therefore, the bent contact pieces 71 and 72 do not bend partially. In addition, the pinching contact piece 7
1 and 72 are restricted from flexing beyond their normal extent, so that the female connector 60
The range of movement is restricted narrowly.

Therefore, even when the female connector 60 is connected to the male connector 50 while performing a twisting operation, the contact pins 52 and the sandwiching contact pieces 71 and 72 are normally connected.

The other pinching contact member 63 is the same as the contact member 62 except for the contact leg 79 and the arm.
It has the same configuration as. The contact leg 79 is longer than the contact leg 77 of the contact member 62 described above. The arms are opposite in direction to the arms 73 to 76 of the contact member 62 described above.

Further, the connector device 40 of the above embodiment is used.
Is also used in a mode in which the male connector 50 is connected to the female connector 60, and this connection mode has the same effect as described above.

FIG. 8 is an enlarged view showing a part of a female connector 60A according to another embodiment of the present invention. Contact member 62
A is a configuration in which the sandwiching contact piece 71 and the arms 73 and 74 are deleted from the sandwiching contact member 62 shown in FIG. The contact member 62A has a U-shaped base 70.
And one contact piece 72, and this contact piece 72
It has arms 75 and 76 extending further and contact legs 77.

If necessary, the arm 75 abuts against the wall 66 and the arm 7
6 comes into contact with the wall 67, so that the contact piece 72
Is positioned at the center of the quadrangular columnar space 65, and excessive deformation of the contact piece 72 is limited. Therefore, the connection of the female connector 60 to the male connector 50 is performed with high reliability.

In each of the above embodiments, a columnar space having a different shape may be used instead of the square columnar space 65.

[0042]

As described above, according to the first aspect of the present invention, the contact piece has an arm extending from the contact piece in a direction in which the contact piece is elastically deformed. Since the tip of the portion is configured to face the wall of the columnar space, the tip of the arm abuts against the wall of the columnar space, which limits the displacement of the contact piece within the columnar space. In addition, since the tip of the arm portion abuts against the wall of the columnar space portion, excessive deformation of the contact piece is limited, so that the reliability of connection of the connector can be increased.

According to a second aspect of the present invention, in the connector according to the first aspect, the arm portion includes one arm portion and another arm portion, and the one arm portion and the other arm portion are opposite to each other. The arm extends in the opposite direction and faces different walls located on opposite sides, so that one arm and another arm abut against different walls located on opposite sides of each other Accordingly, it is possible to restrict the contact piece from being displaced in the columnar space, and to restrict the contact piece from being twisted in the columnar space. By contacting the contact wall, it is possible to limit excessive deformation of the contact piece, thereby increasing the reliability of the connection of the connector.

According to a third aspect of the present invention, the pinching contact piece is
An arm extending from the pinch contact piece and extending in a direction in which the pinch contact piece is elastically deformed, and the tip of the arm is opposed to the wall of the columnar space; The tip of the arm abuts against the wall of the columnar space, thereby restricting the position of the pinch contact piece from shifting in the rectangular columnar space.The tip of the arm abuts against the wall of the columnar space. , It is possible to limit that the pinch contact piece is excessively deformed,
Therefore, the reliability of the connection of the connector can be improved.

According to a fourth aspect of the present invention, in the connector according to the third aspect, the arm of each pinching contact piece comprises one arm and another arm, and one arm and another arm. Extend in opposite directions and face different walls located on opposite sides of each other, so that one arm and another arm are located on opposite sides of each other. , It is possible to limit the displacement of the pinch contact piece in the columnar space, and to restrict the pinch contact piece from being twisted in the columnar space. When the tip abuts against the wall of the columnar space, the pinch contact piece can be prevented from being excessively deformed, so that the connection reliability of the connector can be increased.

[Brief description of the drawings]

FIG. 1 is a diagram showing a conventional connector.

FIG. 2 is a diagram illustrating a problem of the connector of FIG. 1;

FIG. 3 is a view showing a connector device according to an embodiment of the present invention.

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

FIG. 5 is an enlarged view showing a part of the female connector.

FIG. 6 is a diagram showing a sandwich contact member.

FIG. 7 is a development view of the sandwiching contact member.

FIG. 8 is an enlarged view showing a part of a female connector according to another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 40 connector device 50 male connector 51 housing 52, 53 contact pin 60, 60A female connector 61 housing 62, 63 sandwiching contact member 65 square pillar-shaped space 66-69 wall 70 U-shaped base 71, 72 sandwiching contact piece 73, 74 , 75, 76 Arm 77 Contact leg

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5E023 AA04 AA16 BB02 BB22 CC12 CC22 CC23 CC24 CC26 DD18 EE10 EE12 GG01 HH01 HH05 HH18 HH22 HH30

Claims (4)

[Claims] 1. A connector comprising a housing in which a plurality of columnar spaces surrounded by a wall are arranged, and a contact member having a contact piece, wherein the contact piece is incorporated in the columnar space. The contact piece has an arm extending from the contact piece in a direction in which the contact piece elastically deforms, and a tip of the arm is opposed to a wall of the columnar space. Connector to be. 2. The connector according to claim 1, wherein the arm portion includes one arm portion and another arm portion, and the one arm portion and the other arm portion extend in directions opposite to each other. A connector facing different walls located on opposite sides of each other. 3. A housing in which a plurality of pillar-shaped space portions surrounded by a wall are arranged, and a sandwiching contact member having a pair of opposed sandwiching contact pieces, wherein the sandwiching contact pieces are incorporated in the pillar-shaped space portion. The pinching contact piece has an arm extending from the pinching contact piece in a direction in which the pinching contact piece is elastically deformed, and the tip of the arm portion is formed on the wall of the columnar space. A connector characterized by having a configuration facing each other. 4. The connector according to claim 3, wherein the arm of each of the pinch contact pieces includes one arm and another arm, and the one arm and the other arm are opposite to each other. The connector extends in the direction of the connector and faces separate walls located on opposite sides of the connector.