DE1979189U - PIN OR CUTTER BAR FOR PLUG-IN CONNECTION. - Google Patents

Description

A. 400455 * 7/19/67

COPPER ASBESTOS CO. GUSTAV BACH H E I L B R O N N / N E C K A R

Postal address: Kupfer-Asbest-Co. ■ 7100 Heilbronn / Neckar · P.O. Box 570

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ELECTRICAL WORKS

Your message from J TELEX: 07 28631 Our signs PHONE: (07 131) 6361 EWE / St / Ho Extension 636 TELEGRAM: Kaco Heilbronneckar L. your signs editor Heilbronn / N., 7/17/67

Male or male connector for plug connection

The! Inflation relates to the structural design of a pen or Male connector for an electrical plug connection, as well as to a method for producing such pin or male connectors. Such Plug connections consist of a pin or male connector with the associated female connector. They are mostly used for pluggable electrical Used in connection of printed circuit boards.

The task of the innovation is to provide a method for producing pen or To indicate male strips that the production makes possible with substantial savings in tool costs and working time.

There are pen bsw. Male headers become known in which the Eontaktstifte or knife, hereinafter referred to as contact parts, placed in a mold before the injection process and coated with thermoset or .Thermoplastmassen be overmolded. The disadvantages of this method are

Bank details: Landeszentralbank account no. 54/834 Deutsche Bank A.G .. Heilbronn branch

Kreissparkasse Heilbronn - Postscheck: Stuttgart 5924 406 Issue 11. 66

Dresdner Bank A.G., Heilbronn branch

high tooling costs and the extra labor required to remove the Mold exit. Furthermore, with thin contact parts there is the risk that the same will result when the insulating compound is injected into the tool of the injection pressure. A further disadvantage is that in the case of high-pole plug connections, the insertion of the contact parts to be pressed in into the recesses of a tool is very difficult and essential Requires part of the production time of the press machine.

The above disadvantages are avoided according to the innovation, that the insulating body of the pin or male connector is made of two or more parts which have recesses for receiving the contact parts, and that these insulating parts are made of thermoplastics. Tools for such insulating parts are easy to manufacture, these insulating parts can also be sprayed very quickly, since none Contact parts must be inserted.

According to the innovation, the contact parts are then placed in recesses in the insulating parts placed, the insulating parts are pressed together under spring pressure and the contact parts are heated until the thermoplastic surrounding them Plastic starts to melt. Here, a zone of molten plastic forms around the contact parts, which, after cooling, both the firm connection of uer insulating parts as well as the firm fit of the contact parts is effected.

According to the innovation, the contact parts can be heated by direct heat transfer take place in a heatable device. According to a further development of the innovation, the heating of the contact parts can also be achieved by direct current

passage or by induction heating.

To facilitate assembly, the contact parts have been given the new feature Recesses or projections which positively engage in corresponding Ausbild ungen of the insulating parts and the exact position of the contact parts to ensure.

In the following description are further details of the innovation explained on the basis of the figures

Fig. T shows a connector for printed circuits. Fig.2 shows a pin header according to the innovation.

Figo shows the innovation according to the connection of the upper and lower insulating part by heating the pin-shaped contact part by means of current passage.

4 shows a finished pin header according to the innovation.

In Fig. 1, the basic structure of a plug connection is first shown, e.g. one for printed circuit boards is shown. Here, a so-called pin header 1 sits on a circuit board 2. In the pin header 1 insulated pin-shaped contact parts J are used, which at Plugging into the socket 4 with their Eontaktelemente 5 the electrical Cause connection.

FIG. 2 shows how such a pin header can be designed appropriately in order to achieve the advantages according to the invention. Here, the insulating body of the pin header consists of two parts 6 and 7j in the recesses 8 pin-shaped ^ contact parts 5 are inserted. A loose holder or protection against displacement of the same takes place through

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Turns 9 together with lugs 10 of the insulating parts 6 and 7

After assembling such a pin header in one gate direction the two insulating parts 6 and 7 are resiliently compressed. Then the contact pins are heated 3

As shown in Pig. 3, with this heating, a ring-shaped one becomes
Zone 11 melted around the pin-shaped contact parts 3 located in the insulating parts 6 and 7 made of thermoplastic. It is useful here to make the recesses 8 somewhat smaller, so that a
There is an excess volume of insulating material which, when pressed together during the heating process, fills all the spaces between the insulating part 6 and 7 »and the contact parts 3.

The heating of the contact parts 3 can expediently as shown in FIG be carried out by direct current passage, whereby it is advantageous to connect all contact parts J in series by means of contact bridges to the same To obtain current values. The heating can also be caused by inductive influence happen in a high frequency magnetic field. It is still possible to achieve the heating by direct contact with a heated device.

In fig.4 it is shown how after the heating process has been carried out all contact parts 3 a zone of molten insulating material 11 is formed Has. In the area of this zone, the two insulating parts 6 and 7 are firmly connected to one another, so that the entire pin header is firmly held together. the Contact parts 3 themselves are in turn firmly embedded in the insulating compound.

The shape of the contact parts'j> can be chosen as desired. In addition to round or square pins, pin headers can also be manufactured using flat, stamped contact blades in accordance with the tariff.

Claims (6)

Expectations . Male or male connector for electrical plug connection ·, thereby characterized in that the insulating body consists of two or oiehr parts 6,7 of a thermoplastic insulating material, that pin or knife-shaped contact parts 3 in recesses 8 of the insulating parts 6,7 are inserted, and that by heating the contact parts 3, the mechanical connection of the insulating parts 6,7, as well as aer tight fit of the contact parts 3 is effected. 2. pin or male connector according to claim 1, characterized in that the heating of the contact parts 3 takes place by means of a direct supply of heat. 3. pin or male connector according to claim 1, characterized in that the heating of the contact parts 3 takes place by means of a current flowing through them. 4 · pin or knife strip according to claim 1, characterized in that the heating of the contact parts 3 induced by a high-frequency coil field Eddy currents occurs. 5. pin or tea bar according to claim 1 to 4> characterized in that the contact parts 3 are fixed in position in the pre-assembled state through recesses 3 in the contact parts 3 and projections 10 in the insulating parts 6,7. - 2 - - 2 - 6. pin or male connector according to claim 1 to 5? characterized, that the recesses 8 of the insulating parts are smaller than the contact parts J.