JPS6010273Y2 - Pressure welding connector - Google Patents

Description

[Detailed description of the invention] The present invention relates to a connector used in branch boxes for pushbutton telephones, etc., and is characterized by simple, reliable wiring, pressure connection, and easy checking after connection. be.

A conventional connector of this type has a contact part and a female contact part at the other end, and a pressure connection part with a slit protrudes between them, as described in Japanese Utility Model Publication No. 51-11287. In this case, the surface of the press-connecting connection portion is configured to be flush with the surface of the contact piece portion having both male and female contact portions.

However, in order to configure this into a connector unit, a large number of connectors are sandwiched between the upper case and the lower case, the pressure welding connection part protrudes from the top surface of the upper case, and the lead wire is pressure connected to this using a connection tool. It was something to connect.

Therefore, in this case, the slit formed in the pressure welding connection part of the □connector has a slit direction perpendicular to the plate surface of the part, and the slits of the connector arranged in this slit direction are aligned in a straight line. Moreover, although the pitch of each pressure welding connection part is the minimum that does not interfere with the connection work, it is relatively wide and sufficient, and therefore the device is large.

In addition, when the lead wire is placed facing the slit, the lead wire is supplied from the direction of the slit, that is, from the direction perpendicular to the plate surface of the pressure welding connection part, so make sure that the lead wire and its extra length do not lie on other slits. It is necessary to supply the wires while taking into consideration the following, and to connect each wire one by one using a pressure welding tool, which is therefore inefficient and difficult to operate, which is not desirable.

In the present invention, the slit of the pressure welding connection part is on the same plane as the plate surface of the connection piece part, and the slit direction is perpendicular to the plate surface of the connection piece part, and the pressure welding connection part is twisted from the narrow twist part. Since it is constructed by
There are no slits in the direction of the slits, so the lead wires and extra lengths are not located on other slits, and the above-mentioned consideration is not necessary, and the wire connection can be easily and accurately performed. The present invention will be explained in detail using the embodiment shown in FIG.

The connector a has an electric contact part such as a female contact part 2 at one end of the connection piece part 1 or a female contact part 3 at the other end as shown in the figure, and a pressure welding connection part 4 from the side edge. It is formed to protrude through a twisted portion having a narrow width, and a known slit 5 for pressure connection is formed in the pressure connection portion 4 .

Thus, the torsion part 4 forms the pressure welding connection part 4 such that the slit 5 is located on the same plane as the pressure contact piece 1 and the slit direction is located in the same direction as the longitudinal direction of the pressure contact piece 1.

Further, the pressure welding connection portions 4 are arranged in two rows within the connector unit 6.

In this case, the press-contact connection portions 4 are formed at two different positions, one being formed at a position indicated by reference numeral 4' in the drawings, and the other being alternately held in the connector unit.

Describing the most preferable case for a connector unit using the connector a of the present invention, as shown in FIGS. 3 to 5, the connector unit 6 has a lower case 7 and an upper case 8. Connector a is 1
Grooves 9 and the like are formed so that each contact piece can be stably positioned, and the upper case 8 has a through hole 10 from which the pressure connection part 4 protrudes together with a presser for the contact piece 1.

In addition, in the case where the pressure welding connection parts 4 are arranged in two rows as shown in the figure, the through holes 1 are arranged at positions shifted by half a pitch from each other.
It is assumed that the configuration is staggered so that the value is 0.

Furthermore, multiple convex portions 12 and 12' are formed on the upper case 8 so as to be located on both sides of the through hole 10 and on a straight line of each slit 5 so that the groove portions 11 and 11' are located. A lock-shaped groove 12a is formed in this.

In this way, a large number of connectors a are held between the upper and lower cases 8 and 7, and the cases 8 and 7 are integrated by the locking ring 18 to form the connector unit 6.

Such a connector unit 6 is surrounded by a mounting base 13 and a cover 14 and is used as a branch box 15 for a button telephone.

In FIG. 3, the lead wire bundle 16 is introduced into one side of the branch box 15 and fixed with a fastener 17.
The lead wires 16' are separated from each other and connected to a predetermined connector a. Each lead wire 16' is positioned so as to face the slit 5 of the predetermined pressure welding connection part 4. Since the edge grooves 11 and 11' are on a straight line with the direction of the slit 5, if the lead wire 16' is tensioned in a straight line by engaging both grooves 11 and 11', the lead wire 16' will inevitably be Lock-shaped groove 1 formed in the convex portion 12 of the upper case 8
2a and prevents the lead wire 16' from floating up and is positioned facing the slit 5. Therefore, the wiring of the lead wire 16' is extremely simple, so that it can be connected to the predetermined pressure connection part. A predetermined lead wire 16 for the slit 5 of 4
' can be wired facing each other and then operated sequentially using a wiring tool.

The explanation of the above embodiment is based on the case where the connectors a are arranged in a single row, but when the arrangement is in two rows as in the illustrated embodiment, the pressure connection part 4 is in the position 4' as described above. The through hole 10 of the upper case 8 is formed so that the two types of connectors a are arranged half a pitch apart.

In this case, the length of the branch box 15 can be reduced by shifting by half a pitch.

However, the present invention is not limited to the above-described embodiment, and a plurality of press-contact connection parts 4 or 4' may be formed on the connector a.

That is, in the connector a shown in FIG.
In this case, the lead wire can be connected by pressure contact from the lower side.

As described above, according to the embodiment shown in FIG. 6, a large number of lead wires can be connected to the same connector, so that it is possible to branch out to a large number of telephones from one button telephone branch box.

Furthermore, in the above-mentioned connector unit 6, an embodiment was shown in which a lock-shaped groove 12a was formed in the convex part 12, but a lock-shaped groove 12a' is also formed in the convex part 12' as shown in FIG.
Alternatively, the insulation displacement connection portion 4 of the connector a described above may be formed.
In the case of a connector in which these are formed on both the upper and lower sides, as shown in FIG.
c to 12C' are provided.

In the case of the connector unit shown in FIG. 7, the lead wire 16 is connected to the branch box 15 from one side as shown in FIG.
This is extremely effective when the lead wires are introduced from both sides of the branch box, compared to when the lead wires are introduced from both sides of the branch box.

In the present invention, by twisting the pressure welding connection part to the plate surface of the connecting piece, the slit direction becomes the same direction as the plate surface and is located in the same plane, so it is necessary to supply the lead wire in the longitudinal direction of the connector. In general, the lead wire is located only on the slit of this connector, and not anywhere else, so there is no chance of making a mistake in connection, and even if strong pressure is applied for connection, the slit will remain flush with the plate surface of the connecting piece. Since it is located on the top, it can withstand strong pressure well and provides reliable connection.

Furthermore, it is also possible to connect a large number of lead wires at the same time by placing them facing each slit and applying pressure at the same time, which is most preferable in terms of efficiency.

[Brief explanation of the drawing]

The figures show an embodiment of the connecting piece of the present invention; Fig. 1 is a front view, Fig. 2 is an end view, and Fig. 3 is a partially cutaway front view showing the state where it is installed in a branch box for a button telephone. Figure 4 is the third
5 is an exploded perspective view of the connector unit, FIG. 6 is a front view, B is an end view, and FIG. 7 is a sectional view of the connector unit having the connector shown in FIG. 6. It is. Code: a is the connector, 1 is the connecting piece, 2 is the conical contact, 3
4 is a female contact portion, 4 is a pressure connection portion, and 5 is a slit.

Claims (1)

[Scope of utility model registration request] In a connector which is held by a connector unit and has an electrical contact part at one end or both ends and is integrally provided with a pressure welding connection part, a connecting piece part is formed by connecting to the electrical connection part at the end part, A press-connection connection part having a slit for press-connection connection is formed on the side edge of the connection piece part through a narrow twisted part, and the slit is located on the same plane as the plate surface of the connection piece part and the plate A pressure welding connector configured to be twisted from the twisting portion so that the surface and the slit direction are located in the same direction.