JP3256780B2 - 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, and more particularly to a connector for connecting a plurality of terminals of a circuit board to a plurality of terminals of an electronic component or a circuit board.

[0002]

2. Description of the Related Art A plurality of terminals (pads and the like) on a circuit board are provided.
Multiple terminals (pads, pads, etc.) of electronic components such as semiconductor integrated circuits
5 (a) to 5 (c) show typical examples of connectors for correspondingly connecting between a plurality of terminals (pads or the like) of a circuit board or a plurality of terminals (pads or the like) (for example, JP-A-2-2479).
No. 95). The connector of this example includes a plurality of contacts 6 and insulators 5x and 5y that hold and arrange the plurality of contacts 6 from above and below.

Each of the plurality of contacts 6 is shown in FIG.
As shown in FIG. 2B, two inner arms 61 which are bent and formed by one elastic rod-shaped conductor, one ends of which are connected to each other at a cutting tool portion 62 and extend in parallel, and each of these two inner arms 61 Contact arms 63a, 63b connected to the other ends of the contact arms and bent outwardly in a U-shape; contact nose portions 64a, 64b connected to the contact arms 63a, 63b and projecting outward in a semicircular shape; The nose portions are connected to the nose portions 64a and 64b and extend inward to each other, and the ends of the nose portions 64a and 64b extend to the vicinity of the cutting tool portion 62, and have extended portions 65a and 65b that maintain a predetermined interval between these tips.

A plurality of contacts 6 having such a structure are held in a plurality of slit-shaped cavities 51x and 51y arranged and formed in the insulators 5x and 5y, and the contact nose 64a, 64b of each of the plurality of contacts 6 is formed. A part protrudes from the surfaces of the insulators 5x and 5y.

[0005] A plurality of terminals 101x of a circuit board 100x are respectively connected to a plurality of contacts 6 in which a part of the contact nose 64a, 64b protrudes from the surface of the insulator 5x, 5y.
The plurality of terminals 202 of the electronic component 200x are brought into contact with each other (FIG. 5A), and the circuit board 100x and the electronic component 2
When a force F (arrow) that presses each other is applied to 00x (FIG. 5C), the contact arms 63a and 63b, the contact nose 64a and 64b, and the extension portions 65a and 65b are pushed inward, and the circuit board 100x Of the electronic component 200x and the contact 6 with a sufficient contact pressure.

[0006]

This conventional connector has a contact nose 6 from the surfaces of insulators 5x and 5y.
The plurality of terminals 101x of the circuit board 100x and the plurality of terminals 202 of the electronic component 200x are brought into contact with the plurality of contacts from which a part of 4a, 64b protrudes, respectively, and pressed against the circuit board 100x and the electronic component 200x. The contact 6 is deformed by applying such a force, and the terminal 101x of the circuit board 100x, the contact 6 and the terminal 202 of the electronic component 200x are contact-connected with a sufficient contact pressure.
x cannot be mounted and connected perpendicularly to the circuit board 100x, and it is difficult to increase the density and diversify the mounting, and there is a problem between the terminal 101x of the circuit board 100x and the terminal 202 of the electronic component 200x. Are contact nose 64a, extension 65a, cutting tool 62, extension 65 of contact 6
b and the contact nose 64b, there is a problem that the connection line length between them is long, it is difficult to reduce the inductance, and the high-frequency characteristics cannot be improved.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, it is an object of the present invention to enable electronic components and components for mounting other circuit boards to be mounted and connected vertically to a circuit board, thereby increasing the density and diversification of mounting. It is an object of the present invention to provide a connector which can improve the high-frequency characteristics by reducing the length of the connection line between the corresponding terminals and reducing the inductance.

[0008]

The connector according to the present invention has the following features to achieve the above object. (A) an insulator in which a plurality of contact slits are formed and arranged. (B) holding insulators each integrally formed of an elastic conductor and held and fixed at a specific portion of the corresponding contact slit of the insulator; And a board terminal connecting arm provided with a board terminal contact portion for contacting a terminal of a circuit board with a tip portion thereof, and a component for mounting on the circuit board extending at the tip portion thereof. And a board arm contact portion that contacts the vicinity of the board terminal contact portion of the board terminal connection arm when the terminal of the mounting component is brought into pressure contact with the component terminal contact portion. A plurality of contacts including a component terminal connection arm provided therein and held correspondingly in the plurality of contact slits of the insulator. A positioning portion for positioning between a plurality of terminals of a mounting component and the plurality of contacts; (d) a plurality of terminals of the circuit board under pressure contact with a board terminal contact portion of a board terminal connection arm of the plurality of contacts; (E) Pressing the plurality of terminals of the mounting component to the component terminal contact portions of the plurality of contacts while keeping the contact surfaces thereof perpendicular to the contact surfaces of the terminals of the circuit board. Parts to be pressed

Further, the board terminal pressing means extends from a tip end of the board terminal connection arm of each of the plurality of contacts and is folded in a U-shape, and further extends to the vicinity of the board terminal contact portion of the board terminal connection arm. The semiconductor device includes a plurality of substrate terminal pressing arms integrally formed with the contacts and for guiding and holding the circuit board together with the substrate terminal connection arms.

Further, each of the plurality of contacts is
A holding and fixing part integrally formed of an elastic conductor and held and fixed at a specific portion of the corresponding contact slit of the insulator, an intermediate arm extending from the holding and fixing part, and a distal end extending from the intermediate arm and having a distal end, A board terminal comprising: a board terminal contact portion for contacting a terminal of the circuit board; and a board-side intermediate arm contact portion for contacting the intermediate arm when a terminal of the circuit board is brought into pressure contact with the board terminal contact portion. A connection arm, a component terminal contact portion extending from the intermediate arm and contacting the distal end thereof with a terminal of the mounting component, and a terminal of the mounting component being brought into pressure contact with the component terminal contact portion. A component terminal connection arm having a component-side intermediate arm contact portion that comes into contact with the substrate-side intermediate arm contact portion near the contact point of the intermediate arm; Pressurizing means is configured extending from said plurality of contacts each intermediate arm, includes a plurality of substrate terminals pressure arm for clamping putting lead to the circuit board together with the substrate terminal connection arm.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention relates to an insulator having a plurality of contact slits formed and arranged,
A plurality of contacts held by a plurality of contact slits of the insulator, a positioning portion for positioning a component to be mounted on a circuit board, and a board terminal contact portion of a board terminal connection arm included in each of the plurality of contacts. A plurality of terminals of the mounting component are brought into contact with a board terminal pressing means for pressing the plurality of terminals of the circuit board under pressure and a component terminal contact portion of a component terminal connection arm included in each of the plurality of contacts. A component terminal pressing portion for pressing the surface while keeping the surface perpendicular to the contact surface of the terminal of the circuit board, and each of the plurality of contacts has the following structure.

Each of the plurality of contacts is integrally formed of an elastic conductor, and is held and fixed at a specific portion of the corresponding contact slit of the insulator; and a circuit extending from the holding and fixing portion and having a tip end provided with a circuit. A board terminal connection arm provided with a board terminal contact portion for contacting a terminal of the board, a component terminal contact portion extending to be connected to the holding and fixing portion and contacting a terminal of the mounting component at a tip end thereof, and the component; And a component terminal connection arm having a board arm contact portion that contacts the vicinity of the board terminal contact portion of the board terminal connection arm when the terminal of the mounting component is brought into pressure contact with the terminal contact portion. .

With such a structure and configuration,
The mounting components can be mounted and connected vertically to the circuit board, so that high-density and diversification of mounting can be facilitated, and the connection between the corresponding terminals of the circuit board and the mounting components. It is possible to reduce the inductance by shortening the line length and improve the high frequency characteristics.

Further, the contact between the board terminal connection arm and the component terminal connection arm is made via an intermediate arm extending from the holding / fixing portion, so that the deformation of the board terminal connection arm when attaching / detaching the mounting component is reduced. The contact life can be extended.

[0015]

Next, embodiments of the present invention will be described with reference to the drawings. 1A to 1C are a top view, a partial sectional front view, and a side view showing a first embodiment of the present invention, FIG. 2 is a partially enlarged sectional view of a contact and an insulator of this embodiment, and FIG. It is an exploded perspective view of this embodiment.

The connector of this embodiment is roughly divided into a plurality of contacts 2, a connector main body 10 including an insulator 1 for holding and arranging the contacts 2, and a plurality of electronic components 200 as components to be mounted on the circuit board 100. The corresponding lead terminal 201 of the electronic component 200 is connected to the positioning portion 3 for positioning the lead terminal 201 and the plurality of contacts 2 and the component terminal contact portion 232 of each of the plurality of contacts 2. Terminal 10
And a component terminal pressing unit 4 for pressing and holding the contact surface perpendicularly to the contact surface of the contact terminal 1.
The details of each of these components are as follows.

A plurality of contact slits 11 are formed and arranged on the insulator 1, and the plurality of contacts 2 are held in correspondence with the contact slits 11. Further, a substrate insertion slit 12 and positioning pins 13a and 13b are provided.

Each of the plurality of contacts 2 is integrally formed of an elastic conductor, and is provided at a specific portion of a corresponding contact slit 11 of the insulator 1 (for example, a substrate terminal connecting arm 22 and a component terminal connecting arm 23 which will be described later). And a holding portion 21 which is held and fixed to a portion which does not hinder these functions, and an arm portion 2 which extends vertically from the holding and fixing portion 21 and is bent in an L-shape.
21, and a board terminal contact portion 22 provided at a tip end of the arm portion 221 to contact the terminal 101 of the circuit board 100.
2, an arm portion 231 that extends from the vicinity of the base of the holding and fixing portion 21 of the substrate terminal connection arm 22 and is bent in an N-shape, and the arm portion 231.
Terminal 2 of electronic component 200 provided at the tip of
01 and the lead terminal 201 of the electronic component 200 on the component terminal contact portion 232.
And a component terminal connection arm 23 composed of a board arm contact portion 233 that comes into contact with the vicinity of the board terminal contact portion 222 of the board terminal connection arm 22 (that is, the distal end portion of the arm portion 221) when the substrate terminal connection arm 22 is brought into pressure contact. It extends from the tip of the arm 22 and is folded back into a U-shape.
2 and a board terminal pressing arm 24 for guiding and holding the circuit board 100 together with the board terminal connecting arm 22 and for bringing the terminals 101 of the circuit board 100 into press contact with the board terminal contact portions 222.

The positioning portion 3 is formed in a frame shape. The positioning pins 13a and 13b of the insulator 1 are inserted into the positioning holes 31a and 31b, and a plurality of lead terminals of the electronic component 200 inserted and held inside the frame. Positioning between the component 201 and the component terminal contact portions 232 of the plurality of contacts 2 is performed.

The component terminal pressing portion 4 has, at its tip end, the plurality of lead terminals 201 of the electronic component 200, while keeping the contact surfaces thereof perpendicular to the contact surfaces of the terminals of the circuit board 100. At the same time that the contact portion 232 is brought into pressure contact, the holding lead provided on the side opposite to the lead terminal 201 of the electronic component 200 is pressed against the insulator 1 so that the electronic component 200 is perpendicular to the surface of the circuit board 100. Hold.

The circuit board 100 has its terminal components inserted into a board insertion slit 12 provided in the insulator 1, and has a board terminal connection arm 22 and a board terminal pressing arm 24.
And the terminal 101 comes into pressure contact with the substrate terminal contact portion 222 of the contact 2.

In the electronic component 200, the lead terminals 201 and the holding leads are held perpendicular to the surface of the circuit board 100 by the component terminal pressing section 4 and the like, and the lead terminals 201 It comes into pressure contact with the terminal contact portion 232. Then, at this time, the board arm contact portion 233 of the component terminal connection arm 23 contacts the tip of the arm portion 221 of the board terminal connection arm 22. At this time, the board terminal contact portion 22 connects between the terminal 101 of the circuit board 100 and the lead terminal 201 of the electronic component 200.
2. Board arm contact part 233 and component terminal contact part 23
2 are provided very close to each other, and
1. Since the connection between the lead terminals 201 is almost the shortest, the connection line length is shortened, and the inductance between the terminal 101 and the lead terminals 201 can be reduced.
Therefore, high frequency characteristics can be improved.

The electronic component 2 is mounted on the circuit board 100.
00 can be mounted and connected vertically, and the circuit board 100
It is possible to easily realize high-density mounting and diversification of mounting.

FIGS. 4 (a) and 4 (b) are cross-sectional front views of a circuit board, contacts before and after mounting electronic components, and peripheral portions thereof according to a second embodiment of the present invention. Each of the plurality of contacts 2a of this embodiment is integrally formed of an elastic conductor, and the contact slit 11a of the insulator 1a.
Holding and fixing portions 21a and 21b held and fixed at specific portions of
An intermediate arm 25 extending from the holding and fixing portions 21a and 21b and connecting them;
Arm part 221a extending from and meandering, a board terminal contact part 222a provided at the tip of the arm part 221a, for contacting the terminal 101 of the circuit board 100, and a terminal of the circuit board 100 to the board terminal contact part 222a. 1
Substrate terminal connection arm 2 comprising an intermediate arm contact portion 224 that comes into contact with the intermediate arm 25 when pressure contact is made between the substrate terminal connecting arm 2
2a, an arm portion 2 extending from the intermediate arm 25 and meandering
31a, a component terminal contact portion 232a provided at the tip of the arm portion 231a for contacting the lead terminal 201 of the electronic component 200, and the component terminal contact portion 23
When the lead terminal 201 of the electronic component 200 is brought into pressure contact with the substrate terminal connection arm 22a of the intermediate arm 25,
A component terminal connecting arm 23a comprising an intermediate arm contact portion 234 contacting in the vicinity of a contact point (by the intermediate arm contact portion 224); and a circuit board 100 extending from the intermediate arm 25 and guided together with the board terminal connecting arm 22a, and sandwiched therein. In addition, the terminal 101 of the circuit board 100 is
a and a substrate terminal pressing arm 24a which is brought into pressure contact with the substrate terminal a. Portions other than the contact 2a in this embodiment are almost the same as those in the first embodiment.

In this embodiment, the board terminal connecting arm 22a and the component terminal connecting arm 23a are separated from each other by the intermediate arm 25 and operate without interfering with each other. The contact 2a does not need to deform the arm of the other side.
Life can be extended. The other operation and effect are the same as those of the first embodiment.

In these embodiments, since the contact portions slide with each other, the connection can be ensured by the wiping effect. Also, the substrate terminal pressure arm 2
Since a sufficient contact pressure can be obtained by the 4, 24a and the component terminal pressing section 4, connection reliability can be increased. Further, since the thickness of the contacts 2 and 2a can be reduced, the pitch can be reduced.

Further, by changing the shapes of the insulator, the positioning portion, and the component terminal pressing portion, it is possible to connect, for example, another circuit board other than electronic components such as a semiconductor integrated circuit to the component terminal connection arm. it can.

[0028]

As described above, the present invention is provided with a board terminal contact portion for extending a plurality of contacts from a holding / fixing portion held / fixed to an insulator and contacting a terminal of a circuit board at a tip end thereof. A component terminal contact portion that extends to connect to the board terminal connection portion and the holding and fixing portion and that contacts the terminal of the mounting component, and that a terminal of the mounting component is brought into pressure contact with the component terminal contact portion. And a component terminal connection arm having a board arm contact portion that contacts the vicinity of the board terminal contact portion of the board terminal connection arm, and has a structure integrally formed of an elastic conductor, and a plurality of terminals of the circuit board are connected to the plurality of contacts. The board terminal pressing means for pressing the board terminal contact portion of the component and the plurality of terminals of the mounting component, while maintaining the contact surfaces thereof perpendicular to the contact surfaces of the terminals of the circuit board, with the component terminal connection contacts. With the structure provided a component terminal pressing to pressure contact with the component terminal contact portion of the arm,
The mounting components can be mounted and connected vertically to the circuit board to facilitate high-density and diversified mounting, and connection lines between corresponding terminals of the circuit components and the mounting components. There is an effect that the length can be shortened, the inductance can be reduced, and the high frequency characteristics can be improved.

[Brief description of the drawings]

FIG. 1 is a top view, a partial sectional front view, and a side view showing a first embodiment of the present invention.

FIG. 2 is a partially enlarged sectional view of a contact and an insulator of the embodiment shown in FIG.

FIG. 3 is an exploded perspective view of the embodiment shown in FIG.

FIG. 4 is a cross-sectional front view of a contact and its peripheral portion before and after mounting a circuit board and electronic components according to a second embodiment of the present invention.

FIG. 5 is a partial cross-sectional side view showing an example of a conventional connector before terminal pressing, a perspective view of a contact, and a partial cross-sectional side view after terminal pressing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1a Insulator 2, 2a Contact 3 Positioning part 4 Component terminal pressing part 5x, 5y Insulator 6 Contact 10, 10a Connector main body 11, 11a Contact slit 12 Substrate insertion slit 21, 21a, 21b Holding and fixing part 22, 22a Substrate Terminal connection arm 23, 23a Component terminal connection arm 24, 24a Substrate terminal pressing arm 25 Intermediate arm 100, 100x Circuit board 101, 101x Terminal 200, 200x Electronic component 201 Lead terminal 202 Terminal 222, 222a Substrate terminal contact part 224 Intermediate arm Contact part 232, 232a Component terminal contact part 233 Board arm contact part 234 Intermediate arm contact part

Continuation of front page (56) References JP-A-6-176826 (JP, A) JP-A-7-73942 (JP, A) JP-A-57-115787 (JP, A) JP-A-1-260772 (JP) , A) JP-A-57-126083 (JP, A) JP-A-2-247995 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 23/68 H01R 9/09

Claims (4)

(57) [Claims] 1. A connector having the following components. (A) an insulator in which a plurality of contact slits are formed and arranged. (B) holding insulators each integrally formed of an elastic conductor and held and fixed at a specific portion of the corresponding contact slit of the insulator; And a board terminal connecting arm provided with a board terminal contact portion for contacting a terminal of a circuit board with a tip portion thereof, and a component for mounting on the circuit board extending at the tip portion thereof. And a board arm contact portion that contacts the vicinity of the board terminal contact portion of the board terminal connection arm when the terminal of the mounting component is brought into pressure contact with the component terminal contact portion. A plurality of contacts including a component terminal connection arm provided therein and held correspondingly in the plurality of contact slits of the insulator. A positioning portion for positioning between a plurality of terminals of a mounting component and the plurality of contacts; (d) a plurality of terminals of the circuit board under pressure contact with a board terminal contact portion of a board terminal connection arm of the plurality of contacts; (E) Pressing the plurality of terminals of the mounting component to the component terminal contact portions of the plurality of contacts while keeping the contact surfaces thereof perpendicular to the contact surfaces of the terminals of the circuit board. Parts to be pressed 2. The semiconductor device according to claim 1, wherein said substrate terminal pressing means extends from a tip end of the substrate terminal connection arm of each of said plurality of contacts and is folded back in a U-shape, and further extends to a vicinity of the substrate terminal contact portion of said substrate terminal connection arm. The connector according to claim 1, further comprising a plurality of board terminal pressing arms formed integrally with the contact and guiding the circuit board together with the board terminal connection arm to pinch the circuit board. 3. A holding and fixing part, wherein each of the plurality of contacts is integrally formed of an elastic conductor, and is held and fixed at a specific portion of a corresponding contact slit of the insulator; and an intermediate arm extending from the holding and fixing part. A board terminal contact portion extending from the intermediate arm and contacting the terminal of the circuit board with a tip portion thereof; and contacting the intermediate arm when the terminal of the circuit board is brought into pressure contact with the board terminal contact portion. A board terminal connection arm provided with a board side middle arm contact portion, a component terminal contact portion extending from the middle arm and contacting a tip of the mounting portion with a terminal of the mounting component, and mounting the component terminal contact portion. Part provided with a component-side intermediate arm contact portion that comes into contact with the vicinity of the substrate-side intermediate arm contact portion contact point of the intermediate arm when the terminal of the component is brought into pressure contact The connector according to claim 1, wherein the connector includes a product terminal connection arm. 4. The board terminal pressing means includes a plurality of board terminal pressing arms extending from an intermediate arm of each of the plurality of contacts and guiding and holding the circuit board together with the board terminal connection arms. 4. The connector according to claim 3, wherein said connector is provided.