JPS5829903Y2 - IDC connector - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a connector equipped with a press-contact type connector terminal that obtains electrical and mechanical connection by press-fitting a core wire of a communication cable or the like.

Conventionally, this type of connector has a core wire connection section that presses and holds the core wire of an electric wire at one end, and a pin header or contact spring that contacts the connector terminal of another connector at the other end, and is conductive. A press-contact type connector terminal made of a flexible thin plate is mounted in a terminal mounting groove of a housing, and a cover that protects the core wire connection portion etc. from dust, external atmosphere, and external force is engaged with the housing.

However, since each of the constituent parts is independent, the number of assembly parts is large, resulting in an increase in the number of assembly steps.

Furthermore, there is no provision of a good housing structure for holding the plurality of press-contact type connector terminals electrically independently and with great fixing strength.

The purpose of this invention is to reduce the number of independent components by integrally molding the housing and cover, and to reduce assembly man-hours by improving the dimensional accuracy of the fitting between the parts by integrally molding the housing and cover. In addition, by attaching the cover with one-touch operation after attaching the connector terminal to the housing, it suppresses the action of external force on the connector terminal and the intrusion of dust etc. into the contact area, resulting in a highly reliable and low-cost product. The goal is to provide connectors.

The pressure-contact type connector according to the present invention has a plurality of pressure-contact type connectors, each having a core wire connection part that press-fits and holds a core part of an electric wire at one end, and a plug part that contacts a connector terminal of another connector at the other end. A terminal holder having a connector terminal, a terminal mounting groove formed by wall plate portions spaced apart from each other and into which the pressure contact type connector terminal is mounted, and a plug introduction portion for an external terminal that contacts a plug portion of the pressure contact type connector terminal. at least 2 parts
The housings are arranged in rows in parallel, and the projections formed on the outer peripheral end surface of the housing are integrally formed on the edge of the housing through bendable connecting parts, and a series of wall plates provided on the peripheral edge engage with the protrusions provided on the outer peripheral end surface of the housing. and a cover that has a connecting means and uses the wall plate-free portion as an inlet for the electric wire, and the retaining means provided on the wall plate of the cover forms a through hole in the wall plate, and the through hole It is characterized by a shape in which a cutout groove is provided around the periphery.

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of an embodiment of the pressure-contact type connector according to the present invention in an open state.

FIG. 2 is a perspective view showing the press-fit type connector shown in FIG. 1 in a closed state.

3A and 3B are perspective views showing details of the connector terminal and the connector terminal holding portion of the housing in FIG. 1.

To explain in detail with reference to FIGS. 1 to 3, the pressure-contact type connector according to this invention has a core wire connection portion 1 in pressure contact with the core wire of the electric wire at one end, as shown in FIG. 3A. It also has a contact spring 2 at the other end that comes into contact with a connector terminal of another connector, and a plurality of press-contact type connector terminals 3 made of a conductive thin plate.

The core wire portion 12a of the electric wire 12 is press-fitted into the groove 1a formed in the core wire connection portion 1 of the pressure-contact type connector terminal 3 (the third
Figure C).

Now, referring to FIG. 1, the above-described pressure contact type connector terminals 3 are attached to the terminal holding portion 4 of the housing 9 so that they do not come into contact with each other.

In other words, as shown in FIG. 3B, this terminal holding part 4 has terminal mounting grooves 4 formed by mutually spaced wall plate parts 4a.
b, and the pressure contact type connector terminal 3 is mounted in this terminal mounting groove 4b.

At this time, the end of the connector terminal 3 on which the contact spring 2 is formed is installed in the terminal lead-out part 11 so as to be able to contact the connector terminal of another connector.

On the other hand, a cover 7 for protecting the connector terminals 3 and the like from external forces and the external environment is connected to the housing 9 by a flexible connecting portion 5.

The outer dimensions of this cover 7 are set larger than those of the housing 9.

Further, when the cover 7 and the housing 9 are engaged, the protrusions 8a and 8b formed on the outer peripheral end surface of the housing 9
and protrusion locking parts 6a and 6 formed on the wall plate of the cover 7.
It is engaged and held by b.

These protrusion locking parts 6a and 6b can be made movable by forming a through hole in the wall plate of the cover 7 and providing a cutout groove around the through hole. Engagement can be easily performed.

Further, the cover 7 is provided with an inlet 10 for an electric wire 12 connected to the connector terminal 3.

A protrusion 14 that engages with a wire holding member 13 for fixing the introduced electric wire 12 is formed on the peripheral wall surface of the introduction port 10.

Note that the cover 7, housing 9, and connecting member 5 are integrally molded.

As explained above, according to the present invention, the housing and the cover are integrally molded so that they can be opened and closed via a bendable connection part, and at least two terminal holding parts are arranged in parallel integrally with the housing. As a result, it is possible to obtain a highly reliable and low-cost pressure-contact type connector that not only reduces the number of independent components but also easily improves assembly dimensional accuracy.

In particular, by providing the terminal holding part with at least two stages integrally in the housing, the pressure-contact type connector terminals, which are extremely easy to connect wires to, can be electrically independent and firmly fixed without causing a significant increase in the outer dimensions of the connector. You can keep it.

Furthermore, according to the present invention, a protrusion is provided on the outer peripheral end surface of the housing, and the means for securing the protrusion is formed by forming a through hole in the wall plate of the cover and providing a cutout groove around the through hole. As a result, the mating of the two can be achieved with a one-touch operation using an unbreakable retaining means with appropriate movability, and as a result, the cover surrounds the outer peripheral end surface of the housing, reducing the thickness of the connector. It is possible to obtain a press-contact type connector that avoids an increase in size.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the pressure-contact connector according to the present invention in an open state, FIG. 2 is a perspective view of the pressure-contact connector shown in FIG. 1 after assembly, and FIGS. 1 to 3C are FIG. 2 is a diagram showing details of the connector terminal and the terminal holding portion of the housing in FIG. 1; 1... Core wire connection part, 2... Contact spring,
3... Press contact type connector terminal, 4... Terminal holding part, 4a... Wall plate part, 4b...
Terminal mounting groove, 5... Connection part, 6a, 6b...
...Protrusion locking part, 7...Cover, 8a, 8b
...Protrusion, 9...Housing, 10.
...Wire outlet, 11...Terminal lead-out part,
12...Electric wire, 13...Electric wire holding member, 14...Protrusion.

Claims (1)

[Scope of utility model registration request] A plurality of press-contact type connector terminals each having a core wire connection part for press-fitting the core part of the electric wire at one end and a plug part for contacting the connector terminal of another connector at the other end, and a wall plate separated from each other. a housing in which at least two stages of terminal holding parts are arranged in parallel, each having a terminal mounting groove formed by a part and into which the pressure contact type connector terminal is mounted, and a plug introduction part of an external terminal that comes into contact with a plug part of the pressure contact type connector terminal; and a retaining means integrally formed on the edge of the housing via a bendable connecting part, and a series of wall plates provided on the peripheral edge with a protrusion provided on the outer peripheral end surface of the housing. and a cover that uses the wall plate-free portion as an introduction port for the electric wire, and an engagement means provided on the wall plate of the cover forms a through hole in the wall plate, and a cutout groove is formed around the through hole. A press-contact type connector characterized by its shape.