JP2913364B2 - Surface mount connector and method for adjusting height of connection part - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface mounting connector to be mounted on a substrate and a method of adjusting the height of a connection portion thereof, and more particularly to a surface mounting connector which is connected to the substrate using a plurality of types of contacts. , And a method for adjusting the height of the connection portion.

[0002]

2. Description of the Related Art As shown in FIG. 9, a conventional surface mount connector includes an insulator 21 mounted on a substrate such as a printed circuit board and a conductive contact 22 mounted on the insulator 21. Have.

The contact 22 assembled to the insulator 21 includes a contact portion 22a which contacts a contact (not shown), a holding portion 22b extending to one side of the contact portion 22a, and a terminal portion extending to one side of the holding portion 22b. 22c. A plurality of such contacts 22 are prepared. The insulator 21 has a large fitting groove 21a on one surface for fitting a mating connector. The contact portion 22a of the contact 22 is provided in the fitting groove 21a.
Is located. The holding portion 22 b of the contact 22 is held by the insulator 21. Contact 2
The second terminal portion 22c extends outward from a surface opposite to one surface of the insulator 21 and has a connection portion 22d at a tip.

[0004]

However, in the case of a surface mount connector in which a plurality of types of contacts need to be assembled to the insulator, the connection portion 2 after assembly is required.
In order to make the surface mounting height W of 2d uniform , there is no other method than strictly controlling the precision required for components such as the insulator 21 and the contact 22.

For example, there is a problem that it is very difficult to obtain the dimensional accuracy of the contact 22 that cannot be formed only by press punching, that is, the contact 22 having a shape that requires bending.

Therefore, an object of the present invention is to provide a surface mounting device capable of adjusting the height accuracy (flatness) of the surface mounting height in an assembling process to realize a high level of surface mounting height accuracy. And a method for adjusting the height of the connecting portion.

Another object of the present invention is to reduce the dimensional accuracy of each part and improve the productivity of a surface mount connector.
And a method for adjusting the height of the connecting portion.

[0008]

According to the present invention, there is provided an insulator mounted on a substrate, and a conductive contact mounted on the insulator, wherein the contact portion extending out of the insulator is connected to the substrate. In the surface mount connector, the contact is:
A holding portion held by the insulator, an inclined portion extending out of the insulator and inclined toward the substrate, and a connecting portion formed at a tip portion of the inclined portion; and the insulator includes the holding portion. and accommodating the housing part, before
After contacting the inclined portion, the contact depth of the contact
Adjust the height so that the height of the connection part is uniform.
A contact formed on an insertion side surface for inserting a contact into the accommodation portion.
A surface mounting connector is provided, wherein the connector has a uniform wall, and the inclined portion is in contact with the adjustment wall.

According to the present invention, there is provided a method for mounting on a substrate.
Insulator and conductive material attached to the insulator
And a contact extending outside the insulator.
Surface contact connecting the contact portion to the substrate
In the method of adjusting the height of a connection portion in a mounting connector , the contact is held by the insulator.
Holding part, extending out of the insulator and on the substrate side
An inclined portion that is inclined, and formed at the tip of the inclined portion.
A connecting portion, wherein the insulator houses the holding portion.
And inserting the contact into the receiving section.
An adjustment wall formed on an insertion side surface, wherein the holding portion is inserted into the accommodation portion, and the inclined portion is brought into contact with the adjustment wall.
Adjusting the installation depth of the contact after
A method of adjusting the height of the connection portion in the surface mounting connector , wherein the height of the connection portion is made uniform with respect to the substrate is obtained.

[0010]

A space is provided in the insulator so that the contact depth can be adjusted in advance, and a part of the inclined portion from the contact holding portion to the connection portion is brought into contact with the back of the alignment comb of the insulator to be incorporated. Set.

As described above, by setting the contacts in advance, the height of the connection portion can be adjusted by adjusting the installation depth of the contacts in the assembling process. Actually, if the installation depth is determined based on the dimensions of the contacts of the insulator, the surface mounting heights can be made uniform without relying only on the dimensional accuracy of the components such as the contacts and the insulator.

[0012]

1 to 8 show a surface mount connector according to the present invention.
1 shows an embodiment of a method for adjusting the height of a connection portion. First, referring to FIG.
It has an insulator 1 and a conductive signal contact 2 attached to the insulator 1.

The insulator 1 has a signal contact 2
The housing part 3 for housing is formed. Housing part 3
A large fitting groove 4 for fitting a mating connector (not shown) on one surface thereof, a through hole 5 for press-fitting and inserting the signal contact 2, and a flat holding wall 6 for holding the signal contact 2. have.

The holding wall 6 extends from the insertion side opposite to one side of the insulator 1 into the fitting groove 4. The signal contact 2 is inserted into the through hole 5 between the fitting groove 4 and the insertion side surface of the insulator 1 from the insertion side surface to the fitting groove 4. The through holes 5 are located on both sides of the holding wall 6. Further, the adjusting wall 1 extending from the insertion side to the outside is provided on the insulator 1.
a is formed.

The signal contact 2 is formed by punching a thin conductive plate and then bending, and is provided with a holding portion 2a which is press-fitted along both surfaces of the holding wall 6 and one end of the holding portion 2a. And a terminal portion 2b extending outside. The terminal portion 2b has an inclined portion 2c slightly bent outside the insertion side surface of the insulator 1, and a connection portion 2d whose tip portion is bent so as to be parallel to the installation surface 1b of the insulator 1. The portion of the holding portion 2a located in the fitting groove 4 is a portion that comes into contact with the mating contact of the mating connector.

Further, as shown in FIG. 2, the connector for surface mounting has a coaxial contact 8 incorporated therein. The coaxial contact 8 includes an outer conductor 9, a cylindrical insulator 10, and a contact hole 10 a formed inside the insulator 10.
And a central contact 12 incorporated therein. The coaxial contact 8 is incorporated in a coaxial housing 3a formed on the insulator 1. The center contact 12 is a contact spring piece 1 arranged in the coaxial housing 3a.
2a and a terminal portion 12b connected to one side of the contact spring piece 12a. The terminal portion 12b is an inclined portion 12c extending outward from the insertion side surface of the insulator 1.
And a connecting portion 12d at the tip of the inclined portion 12c.

The connector for surface mounting shown in FIGS. 3 and 8 incorporates the signal contact 2 shown in FIG. 1 and the coaxial contact 12 shown in FIG . In the case of this surface mounting connector, the signal contacts 2 are arranged in two rows in the upper and lower rows, each of which has seven contacts (seven-core type), and the coaxial contact 12 has one contact (one-core type).

Next, a method of adjusting the height of the connection portion of the surface mounting connector will be described below. First, the signal contact 2 and the coaxial contact 8 are press-fitted from the insertion side of the insulator 1. A space is provided in the insulator 1 so that the contact depths of the contacts 2 and 12 can be adjusted in advance, and the inclined portions 2c and 12c of the contacts 2 and 12 are provided.
Is set so as to hit a part of the aligning comb of the insulator 1. The connecting portions 2d and 12d are connected to the inclined portions 2c and 12d.
By pressing c against the adjusting wall 1a of the insulator 1, the height dimensions are forcibly made uniform.

As described above, by setting the signal contacts 2 and the coaxial contacts 8 in advance, adjusting the installation depth of the signal contacts 2 and the coaxial contacts 8 during the assembling process, the height of the connecting portions 2d and 12d is adjusted. Can be adjusted. Actually, if the installation depth is determined according to the finished dimensions of the contacts 2 and 12, the surface mounting height can be made uniform without relying only on the dimensions of the insulator 1 and the contacts 2 and 12.

Thereafter, as shown in FIG. 7, a conductive portion 1 formed on one surface of a substrate 15 such as a printed circuit board is provided.
6 are soldered one-to-one with the connection portions 2d and 12d of the contacts 2 and 12, respectively.

[0021]

As described above, according to the surface mounting connector of the present invention and the method of adjusting the height of the connection portion thereof according to the present invention, the accuracy after assembly can be achieved only by increasing the dimensional accuracy of the parts. Even when it is difficult to perform the adjustment, the adjustment can be performed in the assembling process, and the post-assembly accuracy can be realized at a high level.

Further, since this method is a method of forcibly deforming the contact, dimension crossing can be reduced, which is advantageous in productivity.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a surface mount connector according to the present invention and showing a state where signal contacts are incorporated into an insulator.

FIG. 2 is a cross-sectional view showing one embodiment of the surface mount connector of the present invention, showing a state where a coaxial contact is incorporated into an insulator.

FIG. 3 is a rear view of the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled.

FIG. 4 is a plan view of the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled.

FIG. 5 is a front view of the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled.

FIG. 6 is a side view of the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled.

FIG. 7 is a plan view showing a substrate on which the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled is mounted.

FIG. 8 is a bottom view of the surface mount connector to which the signal contacts and the coaxial contacts shown in FIGS. 1 and 2 are assembled.

FIG. 9 is a sectional view showing a conventional surface mount connector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulator 1a Adjustment wall 2 Signal contact 2a Holding part 2b, 12b Terminal part 2c, 12c Inclined part 2d, 12d Connection part 3 Housing part 3a Coaxial housing part 4 Fitting groove 5 Through hole 6 Holding wall 8 Coaxial contact 9 External conductor 10 Insulator 12 Center contact 12a Contact spring piece 15 Substrate

Claims (2)

(57) [Claims] 1. A surface mount connector comprising: an insulator mounted on a substrate; and a conductive contact assembled to the insulator, wherein the contact portion extending outside of the insulator is connected to the substrate. A holding portion held by the insulator, an inclined portion extending out of the insulator and inclined toward the substrate, and a connecting portion formed at a tip end portion of the inclined portion, wherein the insulator holds the insulator. After contacting the accommodation section accommodating the section with the inclined section,
Adjust the contact depth to adjust the height of the connection
Insert the contacts into the housing to align the law
A surface mounting connector having an adjustment wall formed on an insertion side surface, wherein the inclined portion is in contact with the adjustment wall. 2. An insulator mounted on a substrate, and an insulator mounted on the substrate.
Including conductive contacts attached to the insulator
The contactor extending outside the insulator
In the surface mount connector that connects the
In the method of adjusting the height of a connection portion, the contact
Is a holding part held by the insulator, and the insulator
Inclined portion extending to the substrate side, extending outside the
And a connecting portion formed at the tip of the inclined portion.
The insulator is provided with a housing section housing the holding section,
The contact is formed on an insertion side surface to be inserted into the accommodation portion.
Adjusting wall, and inserting the holding portion into the housing portion,
After contacting the inclined portion with the adjustment wall, the contact
By adjusting the mounting depth of the board,
A height dimension of the connection part in the surface mounting connector, wherein the height dimension of the connection part is made uniform.