JP2002075494A - Connector structure of electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure which is thin and in which there is no position drift of function expanding board. SOLUTION: In the connector structure of an electronic equipment, as for a connector 3, an insulation substrate 4 is installed and mounted on a mother substrate 1, and as for the function expanding board 6, because an electroconductive pattern 7 of printed-circuit board 8 is made to come into contact with a contact unit 5 in the state that a lower face of printed-circuit board 8 is contacted with an upper face of mother substrate 1, there is no traditional mounting part 24c, accordingly a mounting position of function expanding board 26 becomes lower, and the connector structure of the thin-type electronic equipment can be provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector structure for electronic equipment such as a computer and a portable telephone.

[0002]

2. Description of the Related Art A connector structure of a conventional electronic device is shown in FIGS.
Referring to FIG. 6, a mother board 21 made of a printed board is housed in a case (not shown) of a computer or the like, and a conductive pattern 22 as a wiring pattern is provided on the mother board 21. In addition, various electric components (not shown) are mounted.

The connector 23 comprises an insulating base 24 made of a synthetic resin molded product and a plurality of contacts 25 embedded in the insulating base 24. And the insulating base 2
4 is a base 24b having a recess 24a with one end open.
And a mounting portion 24 formed to extend from a lower portion of the base portion 24b.
c, and a mounting portion 24d protruding from the lower surface of the mounting portion 24c.

The contact 25 has a contact portion 25a provided at one end and a terminal portion 25b provided at the other end. The contact 25 is provided in a recess 24a of the insulating base 24. With the contact portion 25a positioned and the terminal portion 25b protruding from the back of the insulating base 24, the intermediate portion between the contact portion 25a and the terminal portion 25b is embedded in the base 25b and attached to the insulating base 24. .

The connector 23 is mounted in a state where the mounting portion 24d is inserted into the hole 21a of the motherboard 21 and the lower surfaces of the base 24b and the mounting portion 24c are mounted on the upper surface of the motherboard 21. The tip of the portion 24d is deformed by thermal caulking and attached to the mother board 21. Also,
When the connector 23 is attached to the mother board 21, the terminal portion 25b is in a state corresponding to the conductive pattern 22, and
The terminal portion 25b is connected to the conductive pattern 22 by soldering. With such a configuration, a means for function expansion is configured.

The function expansion board 26 has a rectangular printed board 28 provided with a conductive pattern 27 as a wiring pattern.
And a metal cover 29 that covers various electric components (not shown) mounted on the printed circuit board 28. A transmission / reception circuit is formed on the function expansion board 26 so that signals can be exchanged wirelessly.

[0007] The function expansion board 26 in the computer is capable of wirelessly exchanging signals between the main body of the computer and a printer at a position distant from the main body, for example, to issue a print command or the like. , To extend the functionality.

Therefore, when the user wants to extend the functions of the computer, if the function expansion board 26 is connected to the connector 23, for example, the functions described above can be expanded. The combination of the function expansion board 26 with the connector 23 is performed by first inserting the printed circuit board 2 into the recess 24 a of the connector 23.
When the leading end of the contact 8 is inserted, the conductive pattern 27 provided on the printed board 28 comes into contact with the contact portion 25 a of the contact 25.

At this time, the lower surface of the printed circuit board 28 is placed on the upper surface of
Is pressed against the placing portion 24c by the contact portion 25a, and the function expansion board 26 is held by the connector 23. The function expansion board 26 is connected to the connector 23.
Is held, as shown in FIG.
Is separated upward from the motherboard 21 and
A part of the printed circuit board 28 is placed on the receiver 24c, while the remaining part is suspended in the air, and
8 is combined with the connector 23.

[0010]

In the conventional connector structure of an electronic device, the mounting portion 24c for mounting the printed circuit board 28 of the function expansion board 26 is provided on the connector 23. There is a problem that the position becomes high and the thickness cannot be reduced. In addition, the printed circuit board 28 of the function expansion board 26 has an unstable mounting state due to the presence of a portion mounted on the mounting portion 24c and a portion floating in the air, and the printed circuit board 28 is positioned due to vibration or the like. There is a problem of causing displacement. Further, since the printed board 28 is pressed by only the contact portion 25a of the contact 25, there is a problem that the printed board 28 is weakly held and the printed board 28 is displaced by vibration or the like.

SUMMARY OF THE INVENTION An object of the present invention is to provide a connector structure of an electronic device which is thin and has no displacement of a function expansion board.

[0012]

Means for Solving the Problems As a first means for solving the above-mentioned problems, a mother board having a conductive pattern, on which electric components are mounted, a contact mounted on the mother board, A connector having an insulating base to which the contact is attached, and a function expansion board having electric components mounted on a printed circuit board having a conductive pattern,
The connector is mounted with the insulating base mounted on the mother board, and the function expansion board is mounted on the printed circuit board in a state where the lower surface of the printed circuit board is placed in contact with the upper surface of the mother board. The above-mentioned conductive pattern was made to contact with the above-mentioned contact.

As a second solution, the insulating base of the connector includes a base on which the contact is mounted,
And a pair of arms extending in a direction perpendicular to both ends of the base, so that when the printed board is combined with the connector, both sides of the printed board are guided by the pair of arms.

As a third solution, a locking portion is provided on a free end side of the arm portion, and the locking portion is locked by a locking portion provided on a side portion of the printed circuit board. The printed circuit board is configured to be positioned.

As a fourth solution, a pressing portion is provided above the locking portion, and the pressing portion is located on the upper surface of the printed circuit board to prevent the printed circuit board from coming off. The configuration is as described above.

As a fifth solution, a solderable conductor is provided on the lower surface of the insulating base, and this conductor is soldered to the conductive pattern of the mother board to connect the connector to the mother board. It was configured to be attached.

[0017]

1 is a plan view showing a connector structure of an electronic device according to the present invention, and FIG. 2 is a plan view showing a connector structure of the electronic device according to the present invention. FIG. 3 is an exploded perspective view showing the connector structure of the electronic device of the present invention, and FIG. 4 is a cross-sectional view of the main portion showing another embodiment of the connector structure of the electronic device of the present invention.

Next, the configuration of the connector structure of the electronic device according to the present invention will be described with reference to FIGS. 1 to 3. A mother board 1 made of a printed board is housed in a case (not shown) of a computer or the like. On the mother substrate 1, conductive patterns 2a and 2b as wiring patterns are provided, and various electric components (not shown) are mounted.

The connector 3 comprises a U-shaped insulating base 4 made of a synthetic resin molded product, and a plurality of contacts 5 embedded in the insulating base 4. And the insulating base 4
Are a rectangular parallelepiped base 4a, a pair of arms 4b extending perpendicularly from both ends of the base 4a and facing each other, and a pair of arms 4b provided on the free ends of the arms 4b and protruding inward from each other. Locking portion 4c, and a pressing portion 4 provided above the locking portion 4c and having an inclined surface on the upper surface and protruding inward.
d.

The contact 5 has a contact portion 5a provided at one end and a terminal portion 5b provided at the other end.
The contact 5 has a contact portion 5a projecting from the front of the base 4a and a terminal 5b projecting from the rear of the base 4a.
and embedded in the insulating base 4. On the lower surface at both ends of the base 4a, which is the lower surface of the insulating base 4, conductors 11 made of a solderable metal plate or the like are provided.

In such a connector 3, the lower surface of the insulating base 4 is placed on the upper surface of the mother substrate 1, the conductor 11 is placed on the conductive pattern 2b, and the conductor 11 is soldered to the conductive pattern 2b. Then, it is attached to the motherboard 1. When the connector 3 is attached to the mother board 1, the free end side of the arm 4b of the insulating base 4 is free and can be bent, and the terminal 5b is in a state corresponding to the conductive pattern 2a. The terminal portion 5b is connected to the conductive pattern 2a by soldering. With such a configuration, a means for function expansion is configured.

The function expansion board 6 has a rectangular printed board 8 provided with a conductive pattern 7 as a wiring pattern, and a metal cover for covering various electric components (not shown) mounted on the printed board 8. And a cover 9. On both sides of the printed circuit board 8, engagement portions 8a formed of concave portions are formed at positions facing each other. A transmission / reception circuit is formed on such a function expansion board 6 so that signals can be exchanged wirelessly.

The function expansion board 6 in the computer is capable of transmitting a signal wirelessly between a computer main body and a printer located at a position distant from the computer main body so as to issue a print command and the like. , To extend the functionality.

If the user wants to extend the functions of the computer, the user can connect the function expansion board 6 to the connector 3 to expand the functions described above, for example. And
To combine the function expansion board 6 with the connector 3, first, the printed circuit board 8 of the function expansion board 6 is positioned above the connector 3, and the front end of the printed circuit board 8 is directed toward the mother board 1. 8 is slanted.

Next, the front end of the printed circuit board 8 is inserted between the pair of arms 4b while guiding the both sides of the printed circuit board 8 with the pair of arms 4b, and the contact portion 5a and the mother board 1 are connected. Then, the front end of the printed circuit board 8 is sunk in, and the front end of the printed circuit board 8 is brought into contact with the base 4a.

Next, when the rear portion of the printed board 8 is pressed toward the mother board 1, the engaging portion 8a coincides with the holding portion 4d, and the printed board 8 comes into contact with the inclined surface of the holding portion 4d. When the pressing portion 4d moves over the engaging portion 8a while moving toward the mother board 1 while pushing and spreading the arm portion 4b of
The lower surface of the printed circuit board 8 is placed in contact with the upper surface of the mother substrate 1, the locking portion 4 c is fitted into the engaging portion 8 a, and the pressing portion 4 d is positioned on the upper surface of the printed circuit board 8. Thus, the printed circuit boards 8 are combined and the printed circuit boards 8 are mounted. At this time, the conductive pattern 7 provided on the printed board 8 comes into contact with the contact portion 5a of the contact 5 to be connected, and the printed portion 8 is pressed against the mother board 1 by the contact portion 5a. State.

When the printed circuit board 8 is attached in this manner, the locking portion 4c of the connector 3 is fitted into the engaging portion 8a of the printed circuit board 8, so that the printed circuit board 8 can be positioned. , And the holding part 4d
By pressing the upper surface of the printed circuit board 8 with, the upper side of the printed circuit board 8 can be prevented from coming off.

FIG. 4 shows another embodiment of the present invention.
In this other embodiment, the embedded structure of the contact 5 is different from that of the above embodiment. In the above embodiment, the terminal 5b of the contact 5 is drawn out from the lower surface of the base 4a, In the embodiment, the terminal 5b is pulled out from the back surface of the base 4a. Other configurations are the same as those of the above-described embodiment, and therefore, the same components are denoted by the same reference numerals, and description thereof will be omitted.

[0029]

In the connector structure of the electronic device according to the present invention, the connector 3 has the insulating base 4 mounted on the mother board 1 and is attached thereto. Since the conductive pattern 7 of the printed circuit board 8 was brought into contact with the contact 5 in a state of being placed in contact with the upper surface of the device, the conventional placement portion 24c was not provided, and the mounting position of the function expansion board 26 was lowered. A connector structure of a thin electronic device can be provided. The printed circuit board 8
Is mounted on the upper surface of the mother board 1, so that the mounting state of the printed circuit board 8 is stabilized and the printed circuit board 8 is less displaced due to vibration or the like as compared with the related art.

The insulating base 4 of the connector 3 has a base 4a to which the contact 5 is attached, and a pair of arms 4b extending at right angles from both ends of the base 4a. When combined, the pair of arms 4b guide both sides of the printed circuit board 8, so that the printed circuit board 8 can be easily attached to the connector 3 and a connector structure of an electronic device with good incorporation can be provided.

A locking portion 4c is provided on the free end side of the arm portion 4b. The locking portion 4c is locked by an engaging portion 8a provided on the side of the printed circuit board 8, and Is performed, the mounting position is more stable than before, and a printed circuit board 8 having no displacement due to vibration or the like can be obtained.

Further, a pressing portion 4d is provided above the locking portion 4c, and the pressing portion 4d is located on the upper surface of the printed circuit board 8 so as to prevent the printed circuit board 8 from coming off. A reliable mounting of the substrate 8 is obtained.

Further, a conductor 11 that can be soldered is provided on the lower surface of the insulating base 4, and the conductor 11 is soldered to the conductive pattern 2 b of the mother board 1, and the connector 3 is attached to the mother board 1. And the soldering for connection of the terminal portion 5b can be performed in the same step, and a product having good productivity can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view showing a connector structure of an electronic device of the present invention.

FIG. 2 is an essential part cross-sectional view showing a connector structure of the electronic device of the present invention.

FIG. 3 is an exploded perspective view showing a connector structure of the electronic device of the present invention.

FIG. 4 is an essential part cross-sectional view showing another embodiment of the connector structure of the electronic apparatus of the present invention.

FIG. 5 is a plan view showing a connector structure of a conventional electronic device.

FIG. 6 is an essential part cross-sectional view showing a connector structure of a conventional electronic device.

[Explanation of symbols]

 Reference Signs List 1 mother board 2a conductive pattern 2b conductive pattern 3 connector 4 insulating base 4a base 4b arm 4c locking part 4d pressing part 5 contact 5a contact 5b terminal 6 function expansion board 7 conductive pattern 8 printed board 8a engaging part 9 Cover 11 conductor

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) H01R 12/18 H01R 9/09 Z H05K 1/14 23/68 301E F-term (reference) 5E021 FA05 FA11 FB01 FB02 FB17 FC29 FC36 HA07 HC07 5E023 AA04 AA16 AA18 BB01 BB22 BB25 BB29 CC02 CC23 CC26 DD22 EE04 EE10 FF01 GG01 GG09 HH03 HH18 HH25 5E077 BB23 BB31 BB37 CC02 CC23 CC26 CC27 DD01 EE01 GG03 JJ12 JJ12 JJ05 JJ11 JJ05 JJ11 JJ05 JJ11 JJ05 JJ11 JJ11 JJ05 JJ11 JJ05 JJ11 JJ05 JJ11

Claims (5)

[Claims] 1. A connector having a conductive pattern, a mother board on which an electrical component is mounted, a connector attached to the mother board, having a contact and an insulating base to which the contact is attached, and a conductive pattern. A function expansion board having an electrical component mounted on a printed board, wherein the connector is mounted with the insulating base placed on the mother board, and the function expansion board has a lower surface of the printed board. A connector structure for an electronic device, wherein the conductive pattern of the printed board is brought into contact with the contact while being placed in contact with an upper surface of the mother board. 2. The connector according to claim 1, wherein the insulating base of the connector includes a base to which the contact is attached, and a pair of arms extending in a direction perpendicular to both ends of the base. 2. The connector structure according to claim 1, wherein said pair of arms guide both sides of said printed circuit board. 3. A locking portion is provided on a free end side of the arm portion, and the locking portion is locked by an engaging portion provided on a side portion of the printed circuit board to position the printed circuit board. 3. The connector structure for an electronic device according to claim 2, wherein the connector structure is performed. 4. A holding part is provided above the locking part, and the holding part is located on an upper surface of the printed board so as to prevent the printed board from coming off. The connector structure for an electronic device according to claim 3. 5. A solderable conductor is provided on a lower surface of the insulating base, and the conductor is soldered to the conductive pattern of the mother board, and the connector is attached to the mother board. A connector structure for an electronic device according to claim 1.