JPH09180834A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector connectable even when an interval between mutually opposed both printed circuit boards is narrowed by forming the constitution that respective contact pieces contact with each other when opposed pieces are brought into contact with each other on orthogonal surfaces in the protrusively arranged direction. SOLUTION: When orthogonal surfaces 21d arranged on opposed pieces 21b of a second housing come into contact with orthogonal surfaces 11d arranged on opposed pieces 11b of a first housing, contact pieces 22a are inserted between both twin pieces 12c, and the contact pieces 22a mutually contact with contact pieces 12a. When recess-projection parts 21c arranged in the second housing are superposed on and fitted to recess-projection parts 11c arranged on an opposed piece 11 of the first housing, mutual relative positions of the second housing to the first housing in the direction orthogonal to the protrusively arranged direction of the opposed pieces are determined.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for electrically connecting two printed circuit boards facing each other.

[0002]

2. Description of the Related Art Conventionally, as this kind of connector, there is one having a configuration shown in FIG. In this case, the contact B mounted on the printed circuit board A and the contact D mounted on the printed circuit board C contact each other to electrically connect the printed circuit board A and the printed circuit board C. Here, both printed circuit boards A and C face each other, and both contacts B and D are orthogonal to both printed circuit boards.

[0003]

In the above-mentioned conventional connector, both printed circuit boards A and C facing each other can be electrically connected.

However, since both contacts B and D are orthogonal to both printed boards, if the distance between both printed boards A and C is narrowed, the contact length of the contacts B and D becomes short and the contact reliability is improved. The present invention, which has a problem of inhibiting the above, is made in view of the above-mentioned reason, and the purpose thereof is to ensure that the two printed circuit boards facing each other have a contact surface reliability while ensuring the contact reliability. It is to provide a connector that can be connected even if it is narrow.

[0005]

In order to solve the above-mentioned problems, according to a first aspect of the present invention, a base formed in a substantially U shape with a central piece and facing pieces protruding from both ends of the central piece. A pair of housings provided with a base and a contact fixed to the central piece so as to lead out the connection pieces to the outside by the contact pieces arranged side by side on the opposite side in a substantially U shape of the base, The connecting pieces are connected to both printed circuit boards facing each other in the protruding direction, and the contact pieces contact each other when the opposing pieces contact each other on the plane orthogonal to the protruding direction. It has been made.

According to a second aspect of the present invention, in the first aspect of the present invention, the pair of housings each have a concavo-convex portion in which the facing pieces are superposed and fitted in a direction orthogonal to the protruding direction. It has a formed structure.

According to a third aspect of the present invention, in the first aspect of the present invention, the pair of housings are flat plates so that one of the contact pieces is inserted into contact with the other contact piece between the twin pieces. It is formed into a shape.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

Reference numeral 1 is a first housing, which is a base 11 and a base 1.
1 and two contacts 12 provided on the same.
The base 11 is made of an insulating resin and has a central piece 11a and opposing pieces 11b protruding from both ends of the central piece 11a, and is formed in a substantially U-shape. Each of the opposing pieces 11b has a protruding direction. The uneven portion 11c and the orthogonal surface 11d orthogonal to the projecting direction are provided in the direction orthogonal to each other.

The contact 12 is made of copper or a copper alloy and is punched and formed in a flat plate shape. The central portion is fixed to the central piece 11a of the base 11, and the contact piece 12a extending from the central portion is formed on the base 11. Of the connecting piece 12b, which is arranged in parallel to the facing piece 11b of the base 11, that is, is led out along the protruding direction of the facing piece 11b, and similarly, the connecting piece 12b extending from the central portion is led to the outside. ing. A twin piece 12c is provided at the tip of the contact piece 12a, and is formed in a twin shape with a groove 12d in the center.

Reference numeral 2 is a second housing, which is a base 21 and a base 2.
1 and two contacts 22 provided in the first. . The base 21 is made of an insulating resin and is made of a central piece 21a.
And a facing piece 21b protruding from both ends of the central piece 21a
And a concave-convex portion 21 that is formed in a substantially U-shape and that is fitted to the concave-convex portion 11c provided on the base 11 of the first housing 1 on each of the facing pieces 21b in a direction orthogonal to the protruding direction.
An orthogonal surface 21d orthogonal to c and the projecting direction is provided.

The contact 22 is made of copper or a copper alloy metal and is formed in a flat plate shape by punching. The central portion is fixed to the central piece 21a of the base 21, and the contact piece 22a extending from the central portion is formed on the base 21. Is provided in parallel with the facing piece 21b of the base 21, that is, along the protruding direction of the facing piece 21b, and is similarly led out, and the connecting piece 22b that is similarly extended from the central portion is led to the outside. The connecting piece 22b is provided with a protrusion 22c. The contact piece 22a is formed in a blade shape so as to be in insertion contact with the groove 12d formed by the twin piece 12c of the contact piece 12a.

The printed board 31 is a glass epoxy board or the like, the printed board 32 is a flexible board,
A circuit is formed on each of them and they are installed facing each other.

The first housing and the second housing form a pair of housings. When the orthogonal surface 21d provided on the facing piece 21b of the second housing comes into contact with the orthogonal surface 11d provided on the facing piece 11b of the first housing, the contact piece 22a is inserted between the twin pieces 12c, and the contact piece 22a is inserted. 1
The contact pieces 22a come into contact with the 2a. When the concavo-convex portion 21c provided on the second housing overlaps with the concavo-convex portion 11c provided on the facing piece 11 of the first housing, the second housing with respect to the first housing in the direction orthogonal to the protruding direction of the facing piece. The relative position of each other will be determined.

As shown in FIG. 4, the protrusions 2 of the connecting piece 12b of the first housing and the connecting piece 22b of the second housing are provided on both of the printed boards 31 and 32 facing each other.
2c is connected and mounted. At this time, if the printed boards 31, 32 are mounted with the board surfaces thereof along the projecting direction of the facing pieces 11b, 21b, the contact pieces 12a, 22a along the projecting direction become the printed boards 31, 32. Will be located substantially parallel to the substrate surface.

In such a connector, as described above, the connecting pieces 12b and 22b are connected in such a manner that the board surfaces of the two printed boards 31 and 32 facing each other are along the protruding direction of the facing pieces 11b and 21b. Contact piece 12
Since a and 22a are juxtaposed along the projecting direction of the facing pieces 11b and 21b, the surfaces of both the printed boards 31 and 32 and the contact pieces 12a and 22a are positioned in parallel. In this state,
Opposing pieces 11b and 21b are orthogonal to each other in the protruding direction 11d,
If abutting at 21d, the contact pieces 12a, 22a respectively
Contact with each other and the contact pieces 12a and 22a thereof are positioned parallel to the board surface, so that the contact length can be increased to improve the contact reliability, and even if the space between the two printed boards 31 and 32 is narrow. Can be connected.

The concavo-convex portion 1 is formed on the pair of housings 1 and 2.
Since 1c and 21c are formed, the respective uneven portions 11
c and 21c are overlapped with each other to determine the relative positions of the pair of housings in the direction orthogonal to the projecting direction of the facing pieces 11b and 21b, so that the contact pieces 12a and 22a are surely brought into contact with each other to make contact. Can be made.

Further, the contact piece 12a of the first housing is
Since the flat plate is formed in a twin shape, when the contact piece 22a of the other second housing is inserted between both twin pieces 12c, it is pressed by its elastic deformation, that is, the contact pressure becomes high. Therefore, the contact reliability can be further improved with a simple structure.

In this embodiment, the contact piece 12a is formed in a twin shape and the contact piece 22a is formed in a blade shape. However, the contact piece 12a and the contact piece 22a are formed by a cylindrical terminal and a rod-shaped pin, respectively. However, it is not limited.

In the present embodiment, both facing pieces 11b,
21b is provided with an uneven portion, the facing piece 11b,
If the pair of housings 1 and 2 are positioned relative to each other in a direction orthogonal to the protruding direction of 21b by another means, they may not be provided and are not limited.

[0021]

According to the first aspect of the present invention, when the connecting pieces are connected in a state where the board surfaces of the two printed boards facing each other are along the protruding direction of the facing pieces, the contact pieces become the facing pieces. Since they are arranged side by side along the projecting direction, both printed circuit board surfaces and the contact pieces are positioned in parallel. In this state, if the opposing pieces are brought into contact with each other on the plane orthogonal to the protruding direction, the contact pieces come into contact with each other, and the contact pieces are positioned parallel to the substrate surface. And the connection can be made even if the surface spacing of both printed circuit boards is narrow.

According to a second aspect of the present invention, in addition to the effect of the first aspect, since the concavo-convex portions are formed on the pair of housings, the concavo-convex portions are overlapped with each other, and the protruding direction of the facing piece is increased. The relative positions of the pair of housings in the orthogonal direction to each other are determined with respect to each other, and the contact pieces can be reliably brought into contact with each other to be brought into contact with each other.

According to a third aspect of the present invention, in addition to the effect of the first aspect, one of the contact pieces of the pair of housings is a flat plate and is formed in a twin shape. When is inserted between both twin pieces, it is pressed by its elastic deformation, that is, the contact pressure is high and the contact length is long, and the contact reliability is further improved with a simple structure. You can

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a first housing of the above.

FIG. 3 is a perspective view of a second housing of the above.

FIG. 4 is a cross-sectional view of the above-mentioned printed circuit board mounted state.

FIG. 5 is a sectional view showing a conventional example.

[Explanation of symbols]

 1 1st housing 2 2nd housing 11,21 Base 11a, 21a Central piece 11b, 21b Opposing piece 11c, 21c Concavo-convex part 11d, 21d Orthogonal surface 12,22 Contact 12a, 22a Contact piece 12b, 22b Connection piece 12c Twin piece 31,32 Printed circuit board

Claims (3)

[Claims] 1. A base formed in a substantially U shape with a central piece and an opposed piece protruding from both ends of the central piece, and a contact piece arranged in parallel with the opposed piece on the inside of the U shape of the base. A pair of housings each having a contact fixed to a central piece so as to lead out the connecting piece to the outside, and connecting the connecting pieces to both printed circuit boards facing each other in a state along the protruding direction of the facing piece. In addition, the connector is characterized in that when the opposing pieces come into contact with each other on a plane orthogonal to the protruding direction, the respective contact pieces come into contact with each other. 2. The concavo-convex portion of each of the pair of housings is formed so that each of the facing pieces overlaps and fits in a direction orthogonal to the projecting direction. connector. 3. The pair of housings is formed as a flat plate in a twin shape so that one of the contact pieces is in contact with the other contact piece between the twin pieces. Connector described.