JPH06188035A - Connector for printed circuit board - Google Patents

Abstract

PURPOSE:To reduce the number of a part items, by eliminating part to be fitted to a printed circuit board. CONSTITUTION:A connector 11 for a printed circuit board is formed in a condition where terminal conductors 13a-13e are fixed integrally with a housing 12 by insertion forming. In terminal conductors 13a and 14a, caulked parts 17a and 17b are provided in an integrated condition while being positioned outside, and are protruded toward the lower surface side 12a of a housing 12. When the connector 11 is fitted to the printed board, the connector 11 is fixed by inserting the printed circuit board terminals 16 and the caulked parts 17a and 17b of the respective terminal conductors 13a-13e in the fitting holes of the printed circuit board to electrically connect respective printed circuit board terminals 16, and also folding the caulked parts 17a and 17b. A fitting screw or mounting bracket can be eliminated to reduce the number of a part items.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed circuit board connector for connecting terminals arranged on a printed circuit board to the outside.

[0002]

2. Description of the Related Art As a printed circuit board connector of this type, for example, there is one shown in FIG. That is, the printed circuit board connector 1 comprises a housing 2 and a plurality of terminal conductors 3 integrally supported by insert molding or the like. One end of the terminal conductor 3 serves as an external connection terminal 3a. A substrate terminal (not shown) is formed on the lower surface side of 2 so as to project.

When the printed circuit board connector 1 is attached to the printed circuit board A, the board terminal is inserted into the connection hole portion of the printed circuit board A and electrically connected to the electrodes formed on the printed circuit board A by soldering or the like. Connect and also
The housing 2 is fixed by fixing the screw 4 in a screw hole formed on the surface side facing the printed circuit board A with the printed circuit board A sandwiched therebetween through the mounting hole a. As a result, the printed circuit board connector 1 is fixed to the printed circuit board A, and the connection terminal can be connected to the external connection terminal 3a of the terminal conductor 3 from the outside.

Further, as shown in FIG. 15, the housing 2
There is also one that is attached to the printed circuit board A by using the mounting bracket 5. That is, the groove 2a is formed in the outer peripheral portion of the housing 2 in advance, and the housing 2 is attached to the groove 2a so as to surround the housing 2 by the mounting bracket 5 formed in a U-shape. The caulking portions 5a, 5a are inserted and fixed in the printed circuit board A, so that the printed circuit board connector 1 is attached to the printed circuit board A.

[0005]

However, in any of the conventional configurations as described above,
When fixing the printed circuit board connector 1 to the printed circuit board A, a screw 4 is provided separately from the printed circuit board connector 1.
Alternatively, it is necessary to use the mounting bracket 5, resulting in a large number of parts as a whole and high manufacturing cost.

The present invention has been made in view of the above circumstances. An object of the present invention is to mount a printed circuit board on a printed circuit board without the need for a separate mounting bracket, thus reducing the number of parts. To provide a connector.

[0007]

SUMMARY OF THE INVENTION The present invention comprises a plurality of terminal conductors integrally having an external connection terminal and a board terminal connected to a printed board, and the plurality of terminal conductors are made of an insulating material. The present invention is directed to a connector for a printed circuit board which is supported by means of two terminals conductors located at at least both ends of the plurality of terminal conductors, and a caulking portion to the printed circuit board at a side portion thereof. It has a feature in that it has an integrated structure.

[0008]

According to the printed circuit board connector of the present invention, since the caulking portions to the printed circuit board are integrally formed on the side portions of the two terminal conductors located at least at both ends of the plurality of terminal conductors, the printed circuit board connector is provided. On the other hand, the number of parts can be reduced because it can be fixed without using a separate fitting or screw.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.
It will be described with reference to FIGS. FIG. 1 shows the overall configuration from the lower side.
Is a rectangular housing 12 made of an insulating material such as resin, and a plurality of, for example, five terminal conductors 13 integrally attached to the housing 12 by insert molding.
It is composed of a to 13e. Terminal conductor 1
Each of 3a to 13e integrally has a board terminal 16 connected to an external connection terminal 14 and a printed board 15 (see FIG. 4), and the board terminal 16 is bent at a right angle, Housing 12
It is provided so as to protrude from the back surface portion 12a of the. In addition, the two terminal conductors 13a and 1 located at both ends
The side portions of 3e are integrally formed with caulking portions 17a and 17b toward the outside at right angles (see FIG. 2), and the caulking portions 17a and 17b are also bent downward at right angles. State, the rear side 12 of the housing 12
It is provided so as to project to a.

As shown in FIG. 4, the printed circuit board connector 11 having such a structure is soldered in a state in which the five board terminals 16 are inserted into the corresponding mounting holes 15a of the printed circuit board 15, respectively. Electrically connected by. Each of the two caulked portions 17a and 17b is bent outward or inward, twisted, or staggered with respect to each other while being inserted into the corresponding mounting holes 15b of the printed circuit board 15. It is designed to be fixed by splitting it in. Accordingly, by connecting the connection terminals from the outside to the corresponding external connection terminals 14, the terminals of the circuit (not shown) provided on the printed circuit board 15 and the external connection terminals can be electrically connected. .

Now, such a printed circuit board connector 11 is manufactured as follows. That is, in FIG. 2, five terminal conductors 13a to 13e are connected conductors 1.
Conductor plate 20 in a state of being integrally connected by 8 and 19
In a developed state, the tip end portion of the board terminal 16 of each of the terminal conductors 13a to 13e is the connecting conductor 1
8 are connected in common, and the adjacent external connection terminals 14 are connected to each other by connecting conductors 19. Also, the terminal conductor 13a
Both 13 and 13e are integrally provided with caulking portions 17a and 17b in the direction of the right angle toward the outside near the center. A hole portion 20a is formed in the base portion of each of the terminal conductors 13a to 13e to allow resin to wrap around in order to improve adhesion to the housing 12 during molding.

First, the conductor plate 20 as described above is bent downward at a right angle together with the connecting conductor 18 at each of the board terminals 16 and the caulking portions 17a and 17b.
Similarly, bend downward at a right angle. Then, the housing 12 is formed by performing an insert molding using a resin having an insulating property, which is placed in a molding die. In this case, the bases of the terminal conductors 13a to 13e are formed so as to be positioned and fixed in the housing 12 (see FIG. 3).
Through FIG. 5). Thereafter, each of the connecting conductors 18 and 19 is cut by pressing or the like to form the terminal conductors 13a to 13e in a separated state, whereby the printed circuit board connector 11 shown in FIG. 1 is formed.

FIG. 6 shows the sizes of the printed circuit board connector 11 according to the present embodiment and the conventional printed circuit board connector 1 in comparison with each other.
As described above, since the caulking portions 17a and 17b are integrally provided on the outer sides of the terminal conductors 13a and 13e, the width dimension thereof is larger than the width dimension L'of the configuration in which the conventional screw hole 2a is provided and the mounting screw 4 is used for mounting. L can be reduced.

According to this embodiment, the caulking portion 1 is integrated with each of the terminal conductors 13a and 13e.
Since 7a and 17b are provided, it is possible to fix the printed circuit board 15 only by inserting the crimped portions 17a and 17b into the mounting holes 15b of the printed circuit board 15 and bending it, and a separate mounting bracket or the like is used. It is not necessary, the number of parts can be reduced, the cost can be reduced, and the size can be reduced.

FIG. 7 shows a second embodiment of the present invention. Hereinafter, parts different from the first embodiment will be described. That is, as shown in FIG. 7, the printed circuit board connector 21 in the present embodiment has a configuration in which more terminal conductors 22 are provided than in the first embodiment. Of the many terminal conductors 22, the terminal conductors 22a and 22b located at both ends are provided with the caulked portions 23a and 23b similar to those of the first embodiment, and the terminal conductor 22c located in the center is , The tip of the board terminal 24 is caulked with the caulking portions 23a and 23b.
It is formed as a caulking portion 25 having a shape similar to.

Such a printed circuit board connector 21
Is a board terminal 24 and a caulking portion 23 of each terminal conductor 22 in a corresponding mounting hole of the printed board 15.
a, 23b, 25 are inserted, and the caulking portions 23a, 23b,
25 is fixed by a method such as bending and twisting in the same manner as in the first embodiment, each board terminal 24 is electrically connected by soldering or the like, and is attached to the printed board 15.

According to the above configuration, the terminal conductor 22c
Since the caulking portion 25 is formed, the housing when the printed circuit board connector 21 is mounted on the printed circuit board 15 due to, for example, an error in the arrangement size of the terminal conductor 22 and the size of the mounting hole of the printed circuit board 15. There is no problem such that the central portion of 12 is lifted from the printed circuit board 15 to form a gap, and it can be securely fixed.

FIG. 8 shows a third embodiment of the present invention. Hereinafter, parts different from the first embodiment will be described. That is, FIG. 8 shows the conductor plate 2 according to the first embodiment.
The conductor plate 26 corresponding to 0 is shown in a developed state. This conductor plate 26 omits the connecting conductor 18 in the first embodiment, and instead, another connecting conductor 27 is provided at a position adjacent to the connecting conductor 19 between each terminal conductor 13a to 13e. It is formed in a connected state. Therefore, even when such a conductor plate 26 is used, by cutting the connecting conductor 26 together with the connecting conductor 19 after forming the housing 12, the printed circuit board connector 1 can be obtained.
1 can be formed, the same effect as that of the first embodiment can be obtained, and the area of the conductor plate 26 used can be reduced.

FIG. 9 shows a fourth embodiment of the present invention. Hereinafter, parts different from the third embodiment will be described. That is, the conductor plate 28 is formed in a state in which the substrate terminals 16 of the terminal conductors 13a and 13e located at both ends are omitted. The electrical connection of the terminal conductors 13a and 13e to the printed circuit board 15 is performed by the caulking portions 17a and 17b, respectively. Therefore, the effect similar to that of the third embodiment can be obtained by the fourth embodiment, and the area of the conductor plate 28 used can be further reduced.

FIGS. 10 to 13 show a fifth embodiment of the present invention, and the portions different from the first embodiment will be described below. That is, the printed circuit board connector 2
9 uses a conductor plate 30 as shown in FIG. 11. The conductor plate 30 is fixed to the housing 31 by press-fitting the conductor plate 30 into a housing 31 formed in advance.

In this case, the conductor plate 30 is formed in a state where the connecting conductor 18 of the conductor plate 20 in the first embodiment is omitted, and the hole portions 20a are not provided in each of the terminal conductors 13a to 13e. It is a composition.
The housing 31 is made of resin in advance. That is, the housing 31 has the caulked portions 17a and 17a so that the conductor plate 30 can be inserted from below.
Grooves 31a and 31b are formed in the side portions corresponding to b, and holes are formed in the portions into which the board terminals 16 are inserted.

After the conductor plate 30 is inserted from the lower side of the housing 31, the board terminal 16 and the caulking portions 17a and 17b are respectively bent to the rear side, and the state shown in FIGS. 12 to 14 is obtained. Is formed. In this case, the connecting conductor 19 is cut off after the printed board connector 29 is fixed to the printed board 15 in the same manner as described above, and the terminal conductors 13a to 13 are cut.
e is electrically separated. Also in this embodiment, the same effect as that of the first embodiment can be obtained.

The above embodiments have been described with respect to the case where the present invention is applied to the one having the five terminal conductors 13 or the seven terminal conductors 22, but the present invention is not limited to this, and a plurality of two or more terminal conductors is used. The present invention can be applied to all printed circuit board connectors having the terminal conductor.

Further, in each of the above-mentioned embodiments, the crimped portions 17a and 17b are provided with the terminal conductors 13 at both ends, respectively.
Although the case where it is formed integrally with a and 13e or the case where the caulking portion 25 is also formed in the terminal conductor 22 in the central portion has been described, the present invention is not limited to this, and it is also possible to provide four or more caulking portions. If necessary, an appropriate number of caulking portions can be provided.

[0025]

As described above, according to the connector for a printed circuit board of the present invention, two terminal conductors located at at least both ends of the plurality of terminal conductors are connected to the side of the printed circuit board. Since the caulking part is integrated, the caulking part can be directly mounted when mounting it on the printed circuit board.Therefore, unlike the conventional case, it is not necessary to use a separate mounting bracket, etc. It has an excellent effect that it can be manufactured at low cost as a whole.

[Brief description of drawings]

FIG. 1 is a perspective view of the entire configuration showing a first embodiment of the present invention as seen from a lower surface side.

FIG. 2 is a plan view showing a conductor plate in a developed state.

FIG. 3 is an overall front view of the connection conductor before cutting.

FIG. 4 is a side view of the same.

FIG. 5 is a bottom view of the same.

FIG. 6 is a comparative explanatory diagram of external dimensions.

FIG. 7 is a bottom view of a mounted state showing the second embodiment of the present invention.

FIG. 8 is a diagram corresponding to FIG. 2 showing a third embodiment of the present invention.

FIG. 9 is a diagram corresponding to FIG. 2 showing a fourth embodiment of the present invention.

FIG. 10 is a view corresponding to FIG. 2 showing a fifth embodiment of the present invention.

FIG. 11 is a view corresponding to FIG.

FIG. 12 is a view corresponding to FIG.

FIG. 13 is a view corresponding to FIG.

FIG. 14 is an external perspective view showing a conventional example.

FIG. 15 is a view corresponding to FIG. 14 showing another conventional example.

[Explanation of symbols]

Reference numerals 11, 21, 29 are printed circuit board connectors, and 12, 3.
1 is a housing, 13a to 13e, 22, 22a,
22b and 22c are terminal conductors, 14 is an external connection terminal, 15 is a printed circuit board, 16 and 24 are board terminals, 17a, 17b, 23a, 23b and 25 are caulked portions, 18, 19 and 27 are connection conductors, and 20. , 26, 2
Reference numerals 8 and 30 are conductor plates.

Claims (1)

[Claims] 1. A printed circuit board comprising a plurality of terminal conductors integrally including an external connection terminal and a board terminal connected to a printed circuit board, the plurality of terminal conductors being supported by a housing made of an insulating material. A connector for a printed circuit board, wherein two terminal conductors located at at least both ends of the plurality of terminal conductors integrally have a caulked portion to the printed circuit board on a side portion thereof.