JPH1145766A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect electrical appliance without soldering by contacting one end of an elastic contact with a terminal of one appliance, and contacting one end of a conducting circuit, which is provided on a molding board contacting with the other end, with a contact terminal on other appliance side. SOLUTION: A terminal contacting part (no illustrated) on one end of an elastic contact 2 buried in a main body 1 is contacted with a PC card terminal which is mounted from the back surface of the connector main body 1. An inserting hole 31c is arranged in parallel in a molding body 31 of a molding board 3 which connects to the main body 1, and a conducting circuit 32 is formed on a molding body surface 3a. In this inserting hole 31c, a contacting part 22 on the other end of the elastic contact 2 is connected to the conducting circuit 32. One end side of the molding board 3, on which the conducting circuit 32 locates, is formed in the thin cross section edge shape. One end 31al of this molding board 3 is contacted to a connector terminal of a connector on a personal computer side, and the PC card is designed to conduct to the personal computer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting an electric device such as a PC card to another electric device such as a personal computer.

[0002]

2. Description of the Related Art Conventionally, as this kind of connector, FIG.
There exists a thing of a structure shown in FIG. This is an elastic contact from which a connector main body A to which an electric device is mounted, a terminal contact portion arranged in parallel with the connector main body A to contact a terminal of the electric device, and a contact pin B1 connected to the terminal contact portion are led out. B and the contact pin B of the elastic contact B
1 and a circuit board C on which a conductive circuit section C1 connected by solder is formed, and a board contact D1 connected to the conductive circuit section C1 of the circuit board C and in contact with a device-side connector terminal of another electric apparatus. Side-by-side board connector D
And is provided.

More specifically, the electric devices are formed of PC cards or the like, two of which are mounted on the main body A, and the elastic contacts B are arranged in parallel on one surface C2 side and the other surface C3 side of the circuit board C, and Contact each terminal of the device. The circuit board C is a flat multi-layer board, with one surface C2 and the other surface C2.
3, that is, a conductive circuit portion C1 is formed on both surfaces, a through-hole is provided from the other surface C3 side to the one surface C2 side, and the conductive circuit portions C1 on both surfaces C2 and C3 are formed on both surfaces C2 and C2.
Each of the contact pins B1 disposed on the third side is connected with solder. Then, the conductive circuit portion C1 formed on the other surface C3 side is connected to the conductive circuit portion C1 on the one surface side via a through hole, and is connected to the substrate contact D1.

When the electric equipment is compatible with a card bus having a grounding portion, a ground plate E for grounding the electric equipment is provided.
Are provided on the connector body A on both sides C2 and C3 of the circuit board C, and are respectively soldered to ground circuits provided on both sides C2 and C3.

[0005]

In the above-mentioned conventional connector, the PC card can be connected to another electric device formed of a personal computer or the like via the elastic contact B and the conductive circuit portion C1.

However, the contact pins B1 and the ground plate E of the elastic contact B must be connected to the conductive circuit portion C1 formed on the circuit board C by soldering, so that a soldering process is indispensable. , Was one of the cost-up factors.

[0007] The present invention has been made in view of the above problems, and an object of the present invention is to provide a connector which can connect an electric device to another electric device without providing a soldering step. .

[0008]

Means for Solving the Problems To solve the above-mentioned problems, a first aspect of the present invention is directed to a main body on which an electric device is mounted, and a terminal contact provided in parallel with the main body and in contact with a terminal of the electric device. And a contact body connected to the terminal contact portion thereof is provided with an elastic contact, each of which is led out, and a molded body three-dimensionally molded having a molded body surface and an insertion hole arranged side by side on at least one side, and the insertion hole is provided in the insertion hole. It is configured to include a molded substrate on which a conductive circuit portion that contacts a contact portion of the inserted elastic contact and a device-side connector terminal provided in another electric device is arranged side by side on a molded body surface.

According to a second aspect, in the first aspect, each terminal of the plurality of electric devices mounted on the main body comes into contact with a terminal contact portion of the elastic contact, respectively. The molded substrate has a configuration in which the insertion hole and the conductive circuit portion are arranged in parallel on both sides of the molded body.

According to a third aspect of the present invention, in the first or second aspect, the molded substrate has a thickness at one end side where the conductive circuit portion in contact with the device-side connector terminal is located. It is configured to have a thin cross-section edge shape.

According to a fourth aspect of the present invention, in any one of the first to third aspects, a ground plate for grounding the electric device is provided on the main body. A ground circuit that contacts a ground plate is provided on the surface of the molded body.

According to a fifth aspect of the present invention, in the fourth aspect, the ground plate has a conductive surface connected to a ground circuit, and extends from the molded substrate to a terminal contact side of the elastic contact. It has a configuration formed by the extended portion.

[0013]

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

1 is a main body formed of an insulating resin, as shown in FIG. 5, having a bottomed box shape having a bottom 11 and an opening 12 composed of a first opening 12a and a second opening 12b. And the opening 12 is opened to one side in two steps,
A plurality of notches 1 are formed on one side wall orthogonal to the bottom 11.
3 are juxtaposed.

Reference numeral 2 denotes an elastic contact, which is formed in an elongated shape from an elastic copper alloy and has a rod-shaped terminal contact portion 21;
And a flat contact portion 22 which is located on the opposite side of the terminal contact portion 21 and is electrically connected to the terminal contact portion 21. The contact portion 22 is bent in two steps and has a dimension in the thickness direction. Is formed to a predetermined dimension δ. The contact portion 22 side of the terminal contact portion 21 corresponds to each of the openings 12a and 12b of the main body 1.
The terminal contact portions 21 and the contact portions 22 are respectively led out to both sides from the bottom portion 11 in a state where the terminal contact portions 21 and the contact portions 22 are respectively extended from the bottom portion 11 to two rows, that is, four rows in total. Is done.

Reference numeral 3 denotes a molded substrate, which is formed of an insulating resin, has two molded body surfaces 3a, 3a on one surface side and the other surface side, and has a three-dimensionally molded resin body 31; A conductive circuit portion 32 provided in parallel with the molded body surfaces 3a, 3a is provided, so-called MID (Molded Inter).
forming a connection device).

The molded body 31 is formed into a substantially T-shaped side surface by a piece 31a having one end 31a1 and another piece 31b protruding from the other end of the piece 31a toward both sides.
The one end 31a1 side of "a" is formed to have a thinner cross-sectional edge than the other piece 31b. Then, as shown in FIGS. 2 and 4, a plurality of insertion holes 31c are provided in two rows on one surface side and the other surface side, that is, over a total of four rows, at predetermined pitches in the other piece 31b along the one piece 31a. And the gap in the direction perpendicular to both the molded body surfaces 3a, 3a is formed narrower than the predetermined dimension δ of the elastic contact 2.

Also, the plurality of first protruding walls 31d have a lower height than the first protruding walls 31d.
e project from the one piece 31a to both sides at a position corresponding to the insertion hole 31c, and are juxtaposed at a predetermined pitch. Further, in a state where the first ground plate press-fitting groove 31f cut out along the piece 31a is opened to the one surface side, and the second ground plate press-fitting groove 31g, the one piece 31
are arranged side by side with the other piece 31b along a.

As shown in FIG. 7, the conductive circuit portion 32 is formed by plating with gold, and includes a first conductive circuit portion 32a and a second conductive circuit portion 32b.
3a are provided side by side. That is, the first conductive circuit portion 32a has one piece 31a, the side surface of the first protruding wall 31d, and the protruding surface of the first protruding wall 31d, and the second conductive circuit portion 32b has one piece 31a and the side surface of the second protruding wall 31e. , And on the protruding surface of the second protruding wall 31e, each of which is linearly formed in a state of being connected to each other, and juxtaposed on both the molded body surfaces 3a, 3a.

As shown by the hatched portions in FIGS. 2 and 3, a ground circuit 3 formed by solder plating is used.
2c is formed on the molding body surface 3a on one side on both sides of the one piece 31a and the other piece 31b so that the bottom of the first ground plate press-fit groove 31f is connected to both sides of the one piece 31a.
In addition, they are provided on the side portions 3b orthogonal to both the molding body surfaces 3a, 3a. Similarly, a second main body press-fitting groove 31g is provided on the molding body surface 3a on the other side so that the bottom of the second press-fit groove 31g and the two sides of the piece 31a are connected.

Reference numeral 4 denotes a ground plate, which is formed of a metal into a long thin plate shape, and has a ground contact piece 42 provided with a ground connecting piece 41 and a projection 42a on one side as shown in FIG. The end of the ground contact piece 42 is the main body 1
Is fixed to the bottom 11 corresponding to the first opening 12a and the second opening 12b. The ground connection piece 41 is led out from the bottom 11 to each of the openings 12a and 12b, and the ground contact piece 42 is led out to the opposite side of each of the openings 12a and 12b. Is done.

The PC card 5 forms an electric device and has a built-in fax modem and the like. The PC card 5 is provided with card terminals 51 for inputting and outputting electric signals. It contacts the terminal contact portion 21 of the contact 2. In addition, a ground ground plate (not shown) made of metal and grounding the electric device is provided on the upper surface.

The device-side connector 6 has a pair of device-side connector terminals 61 made of a copper alloy, and is connected to a motherboard 62 provided on a personal computer (not shown) forming another electric device. ing. And
A pair of device-side connector terminals 61, 61 are formed on the first conductive circuit portion 32a and the second
The conductive circuit portions 32b are in contact with each other.

Here, as shown in FIGS. 6 and 7, in the elastic contacts 2 arranged in parallel with the main body 1, the contact portions 22 derived from the bottom 11 are inserted into the insertion holes 31c of the molded main body 31. At this time, since the insertion hole 31c of the molding body 31 is formed to have a smaller gap than the predetermined dimension δ of the elastic contact 2, each contact portion 22 is formed by the first protruding wall 31d and the second protruding wall 31 of the molding body 31. The first conductive circuit portion 32a and the second conductive circuit portion 32b arranged in parallel with each other are securely contacted with each other in a state of elastic contact.

Similarly, the ground plate 4 provided on the main body 1 is press-fitted into the first gland plate press-fit groove 31f and the second gland plate press-fit groove 31g in which the respective ground contact pieces 42 are juxtaposed with the molded body 31. Then, each projection 42a comes into contact with a ground circuit 32c formed on each molded body surface 3a of the other piece 31b.

A method of mounting the connector on the device side connector 6 will be described with reference to FIGS. Formed substrate 3 in which main body 1 and one end 31a1 are formed in an edge shape in cross section
Is inserted obliquely into the pair of device-side connector terminals 61, 61 and rotated toward the motherboard 62 (FIG. 8). Then, the first conductive circuit portion 32a and the second conductive circuit portion 32b respectively formed on both the molded body surfaces 3a, 3a come into contact with the pair of device-side connector terminals 61, 61, respectively, and are connected to the motherboard 62 of the personal computer. It is electrically connected (FIG. 9). The ground circuit 32c is a ground terminal (not shown) of the device-side connector 6.
Connected to.

At this time, even when the mounting space for mounting on the device-side connector 6 is narrow, the molded substrate 3 has the one end portion 31a1 formed in a thin cross-sectional edge shape, so that it faces the motherboard 62 side. And can be easily attached to the device-side connector terminals 61, 61.

Next, as shown in FIG. 10 (only one PC card 5 is shown), the two PC cards 5 are inserted into the metal frames 13 holding the main body 1, respectively. It is attached to each of the first opening 12a and the second opening 12b. The card terminals 51 of the two PC cards 5 are connected to the first opening 12 a and the second opening 1.
2b, the respective ground contact plates 21 of the elastic contacts 2 arranged in two rows and the respective grounding plates are connected to the ground connection pieces 41 of the respective grounding plates 4 to be connected thereto.

As described above, the two PC cards 5 are connected to the motherboard 62 of the personal computer via the elastic contacts 2 and the conductive circuit section 32 of the molded board 3. The ground plate 4 and the ground circuit 3
Via 2c, it is connected to the ground terminal of the device side connector 6 and grounded.

In the connector of the first embodiment, as described above, the molded substrate 3 is provided with the three-dimensional molded body 31 having the insertion hole 31c, and the conductive circuit portion 32 is formed of the two molded bodies 31. Since the contact portions 22 of the elastic contacts 2 inserted into the insertion holes 31c are provided at the other end of the molded body 31, and the pair of device-side connector terminals 61, 61 are provided at one end 31a1. The soldering process can be omitted, unlike the related art in which the contact portion 22 of the elastic contact 2 is connected to the conductive circuit portion of the circuit board using solder by contacting the conductive circuit portion 32 on the side, respectively, so that the cost is reduced. Can be easily realized.

If the card terminals 51 of the two PC cards 5 mounted on the main body 1 are in contact with the terminal contact portions 21 of the elastic contacts 2, the insertion holes 31c of the molded board 3 and the conductive Since the circuit portions 32 are juxtaposed on both sides of the molded body 31, unlike the conventional case where a multilayer substrate having a through hole for wiring from the other surface to the one surface must be used, an expensive multilayer substrate is used. There is no need to use it, and the cost can be further reduced.

Further, a pair of device-side connector terminals 61, 6
When the PC card 5 and the personal computer are connected to each other, the molded substrate 3 is connected to the device side because the one end 31a1 of the molded substrate 3 where the conductive circuit portion 32 that is in contact with 1 is located is formed in a thin cross-sectional edge shape. Connector terminals 61, 6
1 is inserted obliquely from one end 31a1 side, and the conductive circuit portion 32 located at one end is connected to the device-side connector terminal 61,
Even when the mounting space for mounting the connector 6 on the device side is small due to the contact with the connector 61, it can be easily mounted on a personal computer.

If the main body 1 is provided with a ground plate 4 for grounding the electric equipment, the ground circuit 32c contacting the ground plate 4 is formed on the molded substrate 3
Since the ground circuit 32c is provided on both the molded body surfaces 3a, 3a, the electrical circuit can be easily grounded by bringing the ground circuit 32c into contact with the ground plate of the PC card 5 and the ground terminal of the device-side connector 6.

In the first embodiment, two PC cards 5 are mounted on the main body 1 so that the card terminals 51 of each PC card 5 come into contact with the terminal contact portions 21 of each elastic contact 2 and the molded board The three insertion holes 31c and the conductive circuit portion 32 are arranged side by side on both sides of the molded body 31. However, when one unit is mounted on the main body 1, the insertion hole 31c and the conductive circuit portion 32 are It is sufficient that they are juxtaposed only on one side of the base 31, and there is no limitation.

In the first embodiment, the one end 31a1 of the molded substrate 3 is formed to have a thin cross-sectional edge. However, if the mounting space for mounting the device-side connector 6 is wide, It does not have to be formed in an edge shape and is not limited.

A second embodiment of the present invention will be described below with reference to FIG. In the second embodiment, functions different from those in the first embodiment will be described, and members having substantially the same functions as those in the first embodiment will be denoted by the same reference numerals and description thereof will be omitted. In the second embodiment, the molded body 3
In 1, the first ground plate press-fitting groove 31 f and the second ground plate press-fitting groove 31 g are not juxtaposed with the other piece 31 b.

Reference numeral 7 denotes an extended portion, which forms a ground plate with an insulating resin, extends from the molded body 31 of the molded substrate 3 to the terminal contact portion 21 of the elastic contact 2, and is connected to the ground circuit 32c. Conducted surface 71 is formed on the surface by solder plating.

In the connector according to the second embodiment, as described above, the ground plate has the conductive surface 71 connected to the ground circuit 32c, and extends from the molded substrate 3 to the terminal contact portion 21 side of the elastic contact 2. Unlike the conventional case that requires the separately provided ground plate 4, the extending portion 7 and the molded substrate 3 are integrally formed to reduce the number of parts. The cost can be reduced, and the cost can be further reduced.

[0039]

According to the first aspect of the present invention, a three-dimensional molded body is provided with a molded substrate having an insertion hole.
Since the conductive circuit portion is arranged side by side on the molded body surface, the contact portion of the elastic contact inserted into the insertion hole is on the other end side of the molded body, and the device terminal of the connector is the conductive circuit on one end side. The soldering process can be omitted, unlike the related art in which the contact portions of the elastic contacts are connected to the circuit patterns of the circuit board by using solder by contacting the respective portions, so that the cost can be easily reduced.

According to a second aspect of the present invention, in addition to the effect of the first aspect, each terminal of the plurality of electric devices mounted on the main body 1 comes into contact with the terminal contact portion of each elastic contact. If there is, the insertion hole and the conductive circuit part of the molded board are arranged side by side on both sides of the molded body, so that it had to use a multilayer board with a through hole to wire from one side to the other side Differently, it is not necessary to use an expensive multi-layer substrate, and the cost can be further reduced.

According to a third aspect of the present invention, in addition to the effects of the first or second aspect, one end of the molded substrate on which the conductive circuit portion that contacts the device-side connector terminal is located,
When connecting an electric device to another electric device, the molded substrate is inserted obliquely from one end side to the electric device side connector terminal when the electric device is connected to another electric device because it is formed in a thin cross-sectional edge shape, and the conductive circuit located at one end portion Even if the mounting space is narrow by contacting the part with the device-side connector terminal, it can be easily mounted on another electric device.

According to a fourth aspect of the present invention, in addition to the effects of any one of the first to third aspects, if a ground plate for grounding an electric device is provided in the main body, the ground plate may be replaced with a ground plate. Since the contacting ground circuit is provided on the molded body surface of the molded substrate, the ground circuit can be brought into contact with the ground plate of the electric device and the ground terminal of the device-side connector to easily ground the electric device.

According to a fifth aspect of the present invention, in addition to the effect of the fourth aspect, the ground plate has a conductive surface connected to the ground circuit, and extends from the molded substrate to the terminal contact portion side of the elastic contact. Unlike the conventional case that requires a separately provided ground plate, the extended portion and the molded board are integrally molded to reduce the number of parts, which further reduces the cost. Can be achieved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a front view of the molded substrate according to the first embodiment.

FIG. 3 is a plan view of the molded substrate according to the first embodiment.

FIG. 4 is a side sectional view (XX sectional view taken along arrow) of the molded substrate of the above.

FIG. 5 is a side sectional view of the main body.

FIG. 6 is a side sectional view of the main body and a molded substrate of the same.

FIG. 7 is an enlarged perspective view of the same molded substrate.

FIG. 8 is a side sectional view showing a state of being mounted on the device-side connector terminal of the above.

FIG. 9 is a side cross-sectional view showing a state where it is mounted on the device-side connector terminal of the above.

FIG. 10 is a perspective view showing a state in which the PC card is mounted.

FIG. 11 is a perspective view showing a second embodiment of the present invention.

FIG. 12 is a perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Elastic contact 21 Terminal contact part 22 Contact part 3 Molded substrate 3a Molded main body surface 31 Molded main body 31a1 One end part 31c Insertion hole 32a First conductive circuit part (conductive circuit part) 32b Second conductive circuit part (conductive circuit part) 32c Ground circuit 4 Ground plate 5 PC card (electric device) 51 Card terminal (terminal) 6 Device side connector 61 Device side connector terminal 7 Extension part 71 Conductive surface

Claims (5)

[Claims] At least one of a main body to which an electric device is mounted, a terminal contact portion provided in parallel with the main body and contacting a terminal of the electric device, and an elastic contact from which a contact portion connected to the terminal contact portion is led out. A three-dimensional molded body having a molded body surface and a juxtaposed insertion hole on one side is provided, and a contact portion of an elastic contact inserted into the insertion hole and a device-side connector terminal provided in another electric device. A molded circuit board in which conductive circuit portions respectively contacting with the molded body are arranged side by side on the molded body surface. 2. The method according to claim 2, wherein each terminal of the plurality of electric devices mounted on the main body comes into contact with a terminal contact portion of each of the elastic contacts, and the molded substrate has the insertion hole and the conductive circuit portion. The connector according to claim 1, wherein the connector is arranged on both sides of the molded body. 3. The molded substrate according to claim 1, wherein one end of the molded circuit board where the conductive circuit portion in contact with the device-side connector terminal is located has a thin cross-sectional edge. Item 2. The connector according to Item 2. 4. A ground plate for grounding the electric device is provided on the main body, and a ground circuit for contacting the ground plate is provided on a surface of the molded main body. The connector according to any one of claims 1 to 3. 5. The ground plate has a conductive surface connected to a ground circuit, and is formed with an extended portion extending from the molded substrate to a terminal contact portion side of the elastic contact. The connector according to claim 4, wherein