JP2001160442A - Connector and its manufacturing/mounting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the cost and achieve downsizing simultaneously. SOLUTION: To make a structure which includes the spring part 12 turned upward on the way connecting each of more than one contact 10 to a contact part 11 by an elastic electro-conductive plate, a contact part 13 connecting to the edge, and the stopper 14 which protrudes upward connecting with the contact part 11 and whose circuit board protects the contact part 13 and the like by hitting the edge when the circuit electrode is pushed into the contact part 13 with equal or greater contact pressure. Each connecting part 11 of more than one contact 10 is soldered and connected directly to more than one pattern electrode 120 of the printed circuit board 100. More than one contact 10 are compressed and contacted with more than one pattern electrode 220 of a printed circuit board 200.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector and a method of manufacturing and mounting the same, and more particularly to a connector for electrically connecting a plurality of electrodes on a surface of a first substrate to a plurality of electrodes on a second substrate, and a method of manufacturing and mounting the same. Belongs to the implementation method.

[0002]

2. Description of the Related Art A typical representative example of a conventional connector for electrically connecting a plurality of electrodes arranged on a surface of a first substrate to a plurality of electrodes arranged on a second substrate is described below. As shown in FIG. This example shows a printed circuit board 100 in which a plurality of pattern electrodes 120x are arranged and formed on the surface of a substrate 110x.
This is a general connector 80 for electrically connecting a plurality of pattern electrodes 120x of x and a plurality of pattern electrodes of a printed circuit board 200x in which a plurality of pattern electrodes (not shown) are arranged on the substrate 210x.

[0003] The connector 80 is connected to a printed circuit board 100.
x, a plurality of contacts 10x for corresponding connection with a plurality of pattern electrodes 120x, and a plurality of contacts 1
Ox while supporting and fixing Ox, a plurality of pattern electrode forming portions of the printed circuit board 200x are inserted and held, and an insulator 70 for making the plurality of contacts and the plurality of contacts 10x correspond to each other is provided. A plurality of contacts 10x are connected by soldering to a plurality of pattern electrodes 120x of the printed circuit board 100x (50x).
Thus, electrical connection between the printed circuit boards 100x and 200x becomes possible.

When the connector 80 having such a configuration is mounted and mounted on the printed circuit board 100x in the same manner as other surface-mounted electronic components, or when the number of connectors 80 increases, the printing of these connectors 80 is performed. The mounting on the substrate 100x is also performed using an automatic component mounting apparatus. Therefore, the connector 80 is provided with the flat portion 71 which can be suctioned by the suction nozzle of the automatic component mounting apparatus.
0 is provided on the upper surface.

The plurality of contacts 1 of the connector 80
0x, a plurality of pattern electrodes 1 on the printed circuit board 100x
The soldering connection to 20x can be made using a soldering connection technique for surface mount electronic components. Also,
The connector 80 can be manufactured by manufacturing the plurality of contacts 10x from a metal plate or the like, and then arranging and fixing the plurality of contacts 10x in the insulator 70 when the insulator 70 is molded.

[0006]

In the above-described conventional connector 80 and the method of manufacturing and mounting the same, the connector 80 has a plurality of contacts 10x and a flat portion 71 provided on the upper surface, and the plurality of contacts 10x are arranged. , And an insulator 70 to be fixed. The manufacturing and mounting method is such that, after manufacturing a plurality of contacts 10x from a metal plate or the like, when forming the insulator 70 by molding these contacts 10x, The connector 80 is arranged and fixed to the connector 80, and the flat portion 71 of the insulator 70 of the connector 80 is sucked by the suction nozzle of the automatic component mounting apparatus and mounted on the printed circuit board 100x. 120x and a plurality of contacts 10x of the connector 80 by soldering. Since it is, the connector 80 is arranged fixing a plurality of contacts 10x insulator 70
Therefore, there is a problem that the size is increased, the number of manufacturing processes is large, and the cost of the members is increased to increase the cost. Since they are arranged and fixed at 70, it is necessary to change the mold for forming each time the number of contacts changes, and there is a problem that it is difficult to cope with the case where the number of contacts is different.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, it is an object of the present invention to reduce the size of the device, to automatically mount the device on a substrate, to reduce the cost, and to reduce the number of contacts. An object of the present invention is to provide a connector capable of easily coping with different cases and a method of manufacturing and mounting the connector.

[0008]

A connector of the present invention electrically connects a plurality of electrodes arranged on a surface of a first substrate to a plurality of electrodes arranged on a second substrate. A connector having the following configuration to achieve the above object. (A) a connecting portion connected to the electrode on the surface of the first substrate by an elastic conductive plate, and a connecting portion extending to one end of the connecting portion and extending upward at a predetermined length; And a spring portion whose tip extends to a predetermined relative position with respect to the connection portion and elastically displaces, and a contact portion which is connected to the tip portion of the spring portion and contacts the electrode of the second substrate. And (b) connecting the connecting portions of each of the plurality of contacts to a plurality of electrodes on the surface of the first substrate, and connecting the plurality of contacts to the first substrate. (C) the first and second contact portions are arranged so that the contact portions of the plurality of contacts and the electrodes of the second substrate are in contact with each other within the predetermined contact pressure range. of Pressure contact holding means for holding said plate-second substrate

Further, each of the plurality of contacts may be
Connecting to the other end of the connecting portion and protruding upward,
When the electrode of the second substrate comes into contact with the contact portion within a predetermined contact pressure range, a gap is formed between the tip and the second substrate, and when a force exceeding the contact pressure range is applied, A configuration is provided in which a stopper is provided that prevents the second substrate from abutting on the tip so that the distance between the first substrate and the second substrate does not become smaller than a predetermined dimension. are doing.

[0010] A method of manufacturing and mounting a connector according to the present invention is a method of manufacturing and mounting the connector, which includes the following steps. (A) A plurality of contacts arranged in accordance with the arrangement of the plurality of electrodes on the surface of the first substrate by processing one elastic conductive plate material, and the plurality of contacts are connected to respective connection portions. A connection suction mounting member which is connected to each other at a connection portion connected to an end portion, extends in the arrangement direction of the plurality of contacts, and has a flat surface on its upper surface which can be suctioned by a suction nozzle of an automatic component mounting apparatus. (B) transporting the connection contact with the suction mounting member by suctioning the upper surface of the connection suction mounting member to the suction nozzle of the automatic component mounting apparatus; A connection contact arrangement for arranging and mounting the connection portions of the plurality of contacts of the connection contact with the suction mounting member on the plurality of electrodes on the surface of one substrate. (C) a soldering connection step of soldering and connecting a plurality of electrodes on the surface of the first substrate and a plurality of contacts of the connection contact with the suction mounting member (d) after the soldering connection step, Suction mounting member cutting step in which the connecting suction mounting member of the connecting contact with the suction mounting member is bent and separated at the connection portion with the plurality of contacts.

Further, the connection contact with the suction mounting member is formed by cutting one connection from the multiple connection contact with the suction mounting member formed by connecting a plurality of contacts for a plurality of connectors. Characterized in that:

Further, the connecting contact with the suction mounting member in the connecting contact manufacturing process is provided with a plurality of contacts each having a stopper, and the connecting and sucking member is connected to the tip of the stopper by the connecting portion. It is characterized in that the contacts are connected to each other.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the connector according to the present invention is an electric connector between a plurality of electrodes arranged on a surface of a first substrate and a plurality of electrodes arranged on a second substrate. Connectors, each of which is connected to an electrode on the surface of the first substrate by an elastic conductive plate, and is connected to one end of the connection portion and extends, and is a predetermined connector. A spring portion that is folded upward at the length of the second substrate, the tip of which extends to a predetermined relative position with respect to the connection portion and is elastically displaced. A plurality of contacts formed with a contact portion for contacting an electrode, and a connection portion of each of the plurality of contacts correspondingly connected to a plurality of electrodes on the first substrate surface to form the plurality of contacts; Arranged on the first substrate The first substrate and the first substrate so that the contact portions of the plurality of contacts and the electrodes of the second substrate are in contact with each other within the predetermined contact pressure range. And a pressure contact holding means for holding the second substrate.

Further, each of the plurality of contacts is connected to the other end of the connecting portion and protrudes upward. When the electrode of the second substrate comes into contact with the contact portion within a predetermined contact pressure range, the contact is made. A gap is formed between the tip and the second substrate, and when a force exceeding the contact pressure range is applied, the second substrate abuts against the tip, and the first substrate and the second substrate are in contact with each other. A configuration is provided in which a stopper is provided to prevent the interval between them from becoming smaller than a predetermined dimension.

With such a configuration and structure,
Since the first substrate itself is a member for arranging and holding and fixing a plurality of contacts, a conventional insulator is not required, and the size and cost of the connector can be reduced.

Further, a method of manufacturing and mounting this connector is as follows.
One elastic conductive plate is processed to form a plurality of contacts arranged in accordance with the arrangement of the plurality of electrodes on the surface of the first substrate, and the plurality of contacts are attached to the ends of the respective connecting portions. A connecting suction mounting member including a connecting suction connecting member that is connected to each other at a connecting connecting portion and extends in the arrangement direction of the plurality of contacts, and has a flat surface on its upper surface that can be suctioned by a suction nozzle of the automatic component mounting apparatus. A connecting contact manufacturing process for manufacturing a connecting contact, and transferring the connecting contact with the suction mounting member by suctioning an upper surface of the connecting suction mounting member to a suction nozzle of an automatic component mounting apparatus; A connecting contact arrangement and mounting step for arranging and arranging the connecting portions of the plurality of contacts of the connecting contact with the suction mounting member on the plurality of electrodes. And a soldering connection step of soldering and connecting the plurality of electrodes on the surface of the first substrate and the plurality of contacts of the connection contact with the suction mounting member. A suction mounting member cutting step of bending and separating the connection suction mounting member at a connection portion with the plurality of contacts,
By using the method including the above, mounting and mounting of a plurality of contacts on the first substrate by the automatic component device without the insulator as in the conventional example is possible and easy,
In addition, the other steps including these are simple and easy, leading to cost reduction.

Further, the connection contact with the suction mounting member can be obtained by cutting one connector from the multiple connection contact with the suction mounting member formed by connecting a large number of contacts for a plurality of connectors. By doing so, it is possible to easily cope with a change in the number of contacts.

Further, the connecting contact with a suction mounting member in the connecting contact manufacturing process is provided with a plurality of contacts each having a stopper, and the connecting and sucking member is connected to the tip of the stopper by the connecting portion. With the structure in which the contacts are connected to each other, the arrangement interval of the plurality of contacts can be reduced, and the pitch and the size can be further reduced.

[0019]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 (a) to 1 (c) are perspective views showing an embodiment of the connector of the present invention, and show a state in which the electrode is pressed with a stronger force before and after the electrode contacts the contact portion of the contact. FIG.

In the connector of this embodiment, a plurality of pattern electrodes 120 are arranged and formed on the surface of a substrate 110 (first embodiment).
A) a plurality of pattern electrodes 120 on the printed circuit board 100;
A connector for electrically connecting the plurality of pattern electrodes 220 of the (second) printed circuit board 200 in which the plurality of pattern electrodes 220 are arranged and formed on the surface of the substrate 210, and the plurality of contacts 10; The plurality of contacts 10 are connected to the plurality of pattern electrodes 120 on the printed circuit board 100.
The soldering portion 50 of the contact connection / array fixing means for connecting and fixing to the printed circuit board 100 by connecting to the printed circuit board 100, the contact portions (13) of the plurality of contacts 10 not shown in FIG. Multiple pattern electrodes 2
And a pressure contact holding means for holding the printed circuit board 100 and the printed circuit board 200 so that the contact 20 is within a predetermined contact pressure range. The details are as follows.

That is, the contact 10 is connected to a pattern portion of the printed circuit board 100 by soldering with an elastic conductive plate material such as a metal plate, and extends to one end of the connection portion 11. A spring portion 12 that is folded upward at a predetermined length and whose tip extends to a predetermined relative position with respect to the connection portion 11 and elastically displaces, and is connected to the tip portion of the spring portion 12 and printed. The contact portion 13 for contacting the pattern electrode of the substrate 200 and the connection portion 11 are connected to the other end and protruded upward. The pattern electrode 220 of the printed circuit board 200 contacts the contact portion 13 within a predetermined appropriate contact pressure range. At the time of contact, a gap is formed between the tip and the printed circuit board 200, and when a force (F) exceeding an appropriate contact pressure range is applied, FIG. PCB at its tip Suyo 2
00 contacts the printed circuit board 100 and the printed circuit board 200 so that the distance between the printed circuit board 100 and the printed circuit board 200 does not become smaller than a predetermined dimension, and is connected to the other end of the connection portion 11. And a connecting portion 15 for connecting the contacts 10.

In the connector of this embodiment, the plurality of contacts 10 are connected to the plurality of pattern electrodes 1 on the printed circuit board 100.
The plurality of contacts 10 are arranged, held and fixed (corresponding to an insulator 70 before connection to the printed circuit board 100x in the conventional example) by soldering connection to the solder 20 (the soldering portion 50 in FIG. 1), and At the same time, it is also fixed to the printed circuit board 100 in that state (the state after connection to the printed circuit board 100x in the conventional example). That is, the portion corresponding to the insulator 70 of the conventional example is the printed circuit board 100 itself, and as in the conventional example,
Arrange multiple contacts once (on the insulator),
After holding and fixing, there is no need to have a two-stage configuration of connecting and fixing to the printed circuit board. Instead, a single-stage configuration of connecting and fixing a plurality of contacts 10 directly to the printed circuit board 100 is sufficient. No special members or intermediate work steps are required.

Accordingly, the cost of the entire connector can be reduced, and the size of the entire connector can be reduced.

Further, in the connector of this embodiment, the contact portion 13 of the contact 10 and the pattern electrode 220 of the printed circuit board 200 are kept within an appropriate contact pressure range by the press contact holding means not shown in FIG. To touch
The printed circuit board 100 and the printed circuit board 200 are held, but when an unexpected force (F) is applied and the printed circuit board 200 is pushed in, the printed circuit board 200 is held.
Can be prevented from hitting the stopper 14 of the contact 10 and being pushed in any further, so that damage to the contact and the like can be prevented.

Next, an embodiment of the method of manufacturing and mounting the connector according to the present invention will be described with reference to FIGS. 2 (a) to 2 (c) and FIG.
This will be described with reference to FIGS. This embodiment is a method for manufacturing and mounting the above-described connector, in which an elastic conductive plate material such as a single metal plate is arranged in accordance with the arrangement of the pattern electrodes 120 of the printed circuit board 100 by pressing, bending, or the like. The plurality of contacts 10 formed and the plurality of contacts 10 are connected to their respective connection portions 1.
The connecting portions 15 which are connected to one end and extend from both sides of the stopper 14 are connected to each other by a connecting portion 21 and extend in the arrangement direction of the plurality of contacts 10, and the upper surface thereof can be suctioned by the suction nozzle of the automatic component mounting apparatus. A connecting contact manufacturing step of manufacturing a connecting contact 30 with a suction mounting member including a connecting suction mounting member 20 having a flat surface portion 22 with a carrier 40 (see FIG. 2); Contact 30 with suction mounting member
Is transported by suctioning the flat portion of the connecting and mounting member 20 to the suction nozzle of the automatic component mounting apparatus, and the plurality of contacts of the connecting contact 30 with the mounting member are mounted on the plurality of pattern electrodes of the printed circuit board 100. A connecting contact arrangement and mounting step of arranging and mounting the respective connecting portions 11 (FIG. 3A), a plurality of pattern electrodes 120 of the printed circuit board 100 and a plurality of connecting contacts 30 with the suction mounting member. A soldering connection step of soldering the contact 10 to the contact 10 by reflow soldering or the like, and thereafter, connecting the connection suction mounting member 20 of the connection contact 30 with the suction mounting member to the connection portion of the plurality of contacts 10 And a step of cutting the suction mounting member to be bent at 21 and separating at that portion (FIG. 3B).

Thus, the portion shown in FIG. 1A where the plurality of contacts 10 are connected by soldering to the plurality of pattern electrodes 120 of the printed circuit board 100 is completed. Thereafter, the printed circuit board 1 is
00 and the printed circuit board 200 may be held.

By adopting such a manufacturing / mounting method, mounting of the plurality of contacts 10 on the printed circuit board 100 by the automatic component mounting apparatus becomes possible and easy without the insulator 70 of the conventional example. Other processes such as mounting are simple and easy, so that the cost of the entire connector can be reduced.

In this embodiment, a plurality of connecting contacts with suction mounting members are formed by connecting a plurality of contacts 10 for a plurality of connectors. If a single connector can be obtained by separating the connector, it is possible to easily cope with a connector having a different number of contacts and also when the number of contacts changes.

FIGS. 4 (a) and 4 (b) are side views of another embodiment of the method of manufacturing and mounting the connector according to the present invention, as viewed from each direction of the connecting contact with the suction mounting member in the connecting contact manufacturing process. 5 (a) and 5 (b) are a perspective view and a plan view after the suction mounting member cutting step. In the above-described embodiment, the connecting portions 15 and 21 are provided on both sides of the stopper 14, so that the width of the contacts 10 in the arrangement direction is widened and the contact arrangement interval is widened. Connecting suction mounting member 20
The connecting portion 21a of "a" is directly connected to the tip of the stopper 14a of the contact 10a, and connects the plurality of contacts 10a.

Therefore, a space for connection is not required, and the width of the contacts 10a in the arrangement direction can be reduced as compared with the above-described embodiment. As shown in FIG. 5, the arrangement pitch p can be reduced. Can be. That is, it is possible to further reduce the pitch and size.

[0031]

As described above, in the connectors according to the present invention, when a force exceeding the specified contact pressure range is applied to the contact portion, the tip of the connector contacts the second substrate to cause the contact portion and the like to contact each other. A plurality of contacts having a stopper for protection are directly connected and fixed to a plurality of electrodes of the first substrate,
The first substrate and the second substrate so that the plurality of electrodes of the first substrate and the contact portions of the plurality of contacts come into contact within a specified contact pressure range.
The structure and structure for holding the substrate of
Since the substrate itself becomes a member for arranging and holding a plurality of contacts, the insulator of the conventional example becomes unnecessary, the entire connector can be reduced in size, and there is no need for an intermediate work process, and the connector There is an effect that the overall cost can be reduced, and the method of manufacturing and mounting this connector is based on a connection suction mounting member that connects a plurality of connectors and has a flat surface on the upper surface that can be suctioned by a suction nozzle of an automatic component mounting apparatus. Manufacturing the connection contact with the suction mounting member including the suction connection member,
The flat surface of the connecting suction mounting member is sucked by the suction nozzle of the automatic component mounting apparatus and mounted on the plurality of electrodes of the first substrate, and the plurality of electrodes and the plurality of contacts of the connecting contact with the suction mounting member are connected. Then, the connection / suction mounting member is cut off, so that the automatic component mounting apparatus can mount and mount a plurality of contacts on the first substrate without the insulator as in the conventional example. Since it is easy and simple, the cost of the entire connector can be reduced, and furthermore, the connection contact with the suction mounting member is formed by connecting a number of contacts for a plurality of connectors. Manufacturing a large number of connecting contacts with suction mounting members,
By adopting a configuration in which one connector is separated from this, it is possible to easily cope with a connector having a different number of contacts or a change in the number of contacts.
Further, by manufacturing the contacts by connecting them at the tips of the stoppers, there is an effect that the pitch can be further reduced and the size can be further reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a connector according to the present invention, and a side view showing a state where an electrode is pressed with a stronger force before and after an electrode contacts a contact contact portion thereof.

FIG. 2 is a perspective view, a side view, and a top view of a connection contact with a suction mounting member for describing a connection contact manufacturing process in one embodiment of the connector manufacturing and mounting method of the present invention.

FIG. 3 is a perspective view for explaining a connecting contact arranging and mounting step and a subsequent step in one embodiment of the method of manufacturing and mounting the connector of the present invention.

4A and 4B are a side view and a perspective view of a connection contact with a suction mounting member in a connection contact manufacturing process in another embodiment of the connector manufacturing and mounting method of the present invention, as viewed from each direction.

5A and 5B are a perspective view and a plan view of the connector after the suction mounting member cutting step of the embodiment shown in FIG. 4;

FIG. 6 is a perspective view showing an example of a conventional connector.

[Explanation of symbols]

 10, 10a, 10x contact 11, 11a connecting part 12, 12a spring part 13, 13a contact part 14, 14a stopper 15 connecting part 20, 20a connecting and suction mounting member 21, 21a connecting part 22, 22a flat part 30, 30a suction Connection contact with mounting member 40 Carrier 50, 50a, 50x Solder part 70 Insulator 71 Flat part 80 Connector 100, 100a, 100x Printed circuit board 110, 110a, 110x substrate 120, 120a, 120x Pattern electrode 200, 200a, 200x Printed circuit board 210, 210x substrate 220, 220x pattern electrode

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5E023 AA16 BB01 BB22 CC02 CC26 EE07 HH28 HH30 5E063 GA03 XA11 XA20 5E077 BB11 BB31 CC02 CC26 DD01 DD14 EE06 JJ30 5E344 AA01 AA22 BB02 BB06 CC03 DD23 CD09 CD18

Claims (5)

[Claims] 1. A connector for electrically connecting between a plurality of electrodes arranged on a surface of a first substrate and a plurality of electrodes arranged on a second substrate. A connector comprising: (A) a connecting portion connected to the electrode on the surface of the first substrate by an elastic conductive plate, and a connecting portion extending to one end of the connecting portion and extending upward at a predetermined length; And a spring portion whose tip extends to a predetermined relative position with respect to the connection portion and elastically displaces, and a contact portion which is connected to the tip portion of the spring portion and contacts the electrode of the second substrate. And (b) connecting the connecting portions of each of the plurality of contacts to a plurality of electrodes on the surface of the first substrate, and connecting the plurality of contacts to the first substrate. (C) the first and second contact portions are arranged so that the contact portions of the plurality of contacts and the electrodes of the second substrate are in contact with each other within the predetermined contact pressure range. of Pressure contact holding means for holding said plate-second substrate 2. The method according to claim 1, wherein each of the plurality of contacts is connected to the other end of the connection portion and protrudes upward, and when the electrode of the second substrate contacts the contact portion within a predetermined contact pressure range. A gap is created between the tip and the second substrate, and when a force exceeding the contact pressure range is applied, the second substrate abuts on the tip, and the first substrate and the second substrate are in contact with each other. 2. The connector according to claim 1, wherein the connector is provided with a stopper for preventing an interval between them from becoming smaller than a predetermined dimension. 3. The method for manufacturing and mounting a connector according to claim 1, wherein the method includes the following steps. (A) A plurality of contacts arranged in accordance with the arrangement of the plurality of electrodes on the surface of the first substrate by processing one elastic conductive plate material, and the plurality of contacts are connected to respective connection portions. A connection suction mounting member which is connected to each other at a connection portion connected to an end portion, extends in the arrangement direction of the plurality of contacts, and has a flat surface on its upper surface which can be suctioned by a suction nozzle of an automatic component mounting apparatus. (B) transporting the connection contact with the suction mounting member by suctioning the upper surface of the connection suction mounting member to the suction nozzle of the automatic component mounting apparatus; A connection contact arrangement for arranging and mounting the connection portions of the plurality of contacts of the connection contact with the suction mounting member on the plurality of electrodes on the surface of one substrate. (C) a soldering connection step of soldering and connecting a plurality of electrodes on the surface of the first substrate and a plurality of contacts of the connection contact with the suction mounting member (d) after the soldering connection step, Suction mounting member cutting step in which the connecting suction mounting member of the connecting contact with the suction mounting member is bent and separated at the connection portion with the plurality of contacts. 4. The connecting contact with a suction mounting member is formed by cutting a plurality of contacts with a suction mounting member formed by connecting a plurality of contacts for a plurality of connectors into one connector. The method for manufacturing and mounting a connector according to claim 3. 5. A connecting contact with a suction mounting member in a connecting contact manufacturing step, wherein each of the plurality of contacts includes a stopper, and the connecting and sucking member is connected to a tip of the stopper by the plurality of connecting portions. 4. The method for manufacturing and mounting a connector according to claim 3, wherein the connector has a structure in which contacts are connected to each other.