DE8711890U1 - Plug connection - Google Patents

Description

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Description
Plug connection

The innovation concerns a plug connection with a plug and a plug contact. Such plug connections are generally known and are often used in motor vehicles for electrical connections, with so-called 6.5 mm flat plugs often being used as plugs. Such plug connections can be used both for electrical connections between cables and, for example, for establishing electrical contact between relays and fuses and circuit boards of electronic control units.

The quality of the electrical connection, especially the

The contact resistance between the plug and the plug contact in such plug connections depends largely on the force with which the plug contact engages the plug. The force of the attack also determines how firmly the plug is mechanically held in the plug contact.

The innovation aims to create a plug connection that ensures the best possible connection between the plug and the plug contact and that can be manufactured easily and inexpensively.

This problem is solved according to the innovation in that the plug contact is designed in the shape of a bow, that the plug contact can be inserted into a carrier plate, that the plug contact has contact tongues and that a spring-loaded clamp is provided which surrounds the plug contact and has the spring jaws which engage the contact tongues.

Because the plug contact is designed in the shape of a bow, it is easy to insert into the carrier plate. Because the plug contact has contact tongues, a good

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Electrical contact between the plug and the plug contact is ensured at several contact points. The clamping force or the contact force of the contact tongues on the plug is additionally increased by the presence of a spring-loaded clamp that grips the plug contact and has spring jaws that engage the contact tongues. This ensures a high quality of the electrical connection.

The new connector still has the

Advantage that it is easy and inexpensive to manufacture and install, because in addition to the basically required plug contact, only one additional part is required, namely the spring clip, which is easy and inexpensive to manufacture*

Further advantageous embodiments and developments of the subject matter of the innovation emerge from the subclaims.

It is advantageous if the plug contact has bends that serve as a stop limit when inserting the plug contact into the carrier plate in order to prevent the plug contact from falling through the opening of the

carrier plate to avoid.

It is advantageous if the plug contact has widenings that prevent the plug contact from slipping out of the opening in the carrier plate in the opposite direction to the insertion direction of the plug contact. The last two measures serve to simplify the assembly of the new plug connection.

It is particularly advantageous if the clamp is a bracket whose legs are bent to form jaws. This simple design of the clamp makes the clamp and thus the innovative plug connection particularly cost-effective manufacturer LIba r.

It is also particularly advantageous if the clamp has guides because this makes it easier to place or clip the clamp onto the plug contact in the correct position.
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It is particularly advantageous if the clamp has recesses, because this measure distributes the spring force of the clamp evenly over the contacts and improves the strength of the electrical connection and increases the holding force of the plug in the plug contact.

Finally, it is particularly advantageous if the clamp has bevels that make it easier to slide the clamp onto the plug contact when installing the new plug connection.

An exemplary embodiment of the inventive subject matter is shown in the drawings and is explained in more detail below with reference to the drawings.
20

Show it

Figure 1 shows a plug connection according to the new design as a flat plug connection, partially cut, 25

Figure 2 shows the same flat plug connection in a view rotated 90 degrees around the central axis and

Figure 3 shows the same flat plug connection in the same view as in Figure 1 without the flat plug.

In Figure 1, a plug contact (1) is arranged and soldered in a carrier plate (3), which is designed here as an electrical circuit board, in such a way that bends (5) of the plug contact (1) rest on the carrier plate (3) as a stop limit and the carrier plate (3) is enclosed by the bends (5) and extensions (6).

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' The plug contact ( &igr; / «öiät has contact tongues (7) which are connected to the

I in Figure 1 extending into the plane of the drawing

■ Grip the side surfaces of a flat plug (2). 6§maccording

The plug contact CI) is designed as a F-type plug contact.

&idigr; The flat plug contact (1) is bow-shaped. The

I both sides of the flat-headed flat plug-in joint (1)

] ^; are held together by a bow (8), which at the same time

I serves as a slot limiter for the flat plug (2).

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I The flat plug contact (1) is surrounded by a spring-loaded clamp I (4), which has two legs (9) whose E &eegr; d § &eegr; as

Spring jaws (10) are bent in the direction of the contact tongues (7) of the F Lachsteck contact (1) and further as run-on bevels (12) I IS in the direction away from the contact tongues (7)* Im j, in Figure 1 lower part of the spring clip (4) are

&ngr; Guides (11) are arranged, which ensure the correct sliding

% the clamp (4) onto the plug contact (1).

20 The guide rails (12) make it easier to slide the i clamp (4) onto the plug contact (1).

Both the flat plug (2) and the plug contact /1)

f> and the spring clip (4) are mirror-symmetrical to a

25 Median plane (M) shown in Figure 1.

In Figure 2, identical or equivalent

j: Device parts as in Figure 1 with the same

&idigr; Reference numerals as in Figure 1. The in the figure

30 2 shown view of the plug contact (1) with the

Clamp (4) in the carrier plate (3) in the middle plane (K) shows additional recesses (12) on the spring clamp (4), which ensure that the additional spring force exerted by the clamp (4) via the spring jaws (10) on the contact tongues (7) of the 35 plug contact (1) is also

uneven surface of the plug (2) evenly on the i plug (2). It can also be seen that

especially because it is a flat plug connector

two contact tongues (7) are provided on each side of the center plane (M). It can also be seen that the guides (11) of the spring clip (4) engage in a corresponding recess in the plug contact (1).

In Figure 3, parts that are the same or have the same effect as in Figures 1 and 2 are provided with the same reference numerals as in Figures 1 and 2. Here, the flat plug (2) is omitted so that it can be seen how the contact tongues (7) are pressed together in the direction of the central plane (M) by their own spring force, if present, and additionally by the spring force of the clamp (4).

The assembly and fastening of the new plug connection according to Figures 1 to 3 is carried out as follows:

First, the plug contact (1) is inserted into the corresponding opening in the circuit board (3) in such a way that the circuit board (3) is enclosed by the bends (5) and the extensions (6). This fixes the plug contact (i) in its position relative to the circuit board (3). Then the plug contact (1) can be connected to any conductor tracks arranged on the circuit board (3), e.g.

be electrically connected by black-and-white soldering. Next, the spring-loaded clamp (4) is pushed from the bend (8) of the plug contact (1) onto the plug contact (1) in such a way that the guides (11) of the clamp (4) engage in the corresponding recess of the plug contact (1).

2.0 This completes the assembly of the plug contact (1) and clamp (4). Next, the flat plug (2) can be inserted into the opening of the plug contact (1) on the side of the bends (5). This completes the electrical connection and the mechanical fastening of the

Plaehsteckerg (2) in the FUefisteckkontäkt (1).

Because the spring bars (1Q) attack the sole surfaces of the contacts (7), they are constantly in contact with the

Contact tongues (7) so that rattling of the clamp (4) on the plug contact (1) is avoided.

The new plug connection is not only suitable for flat plug connections, but can also be used for a variety of plugs (Z) and plug contacts (1).

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Claims (1)

Protection claims '[(. Plug connection with a plug and a plug contact, characterized in that the plug contact CD is designed in the shape of a bracket, that the plug contact (1) can be inserted into a carrier plate (3) _, that the plug contact CD has contact tongues (C7), and that a spring-loaded clamp (C4) is provided which surrounds the plug contact CD and has spring jaws (C10) which engage with the contact tongues (C7). 2. Plug connections according to claim 1, characterized characterized in that the plug contact CD has bends C5). 3. Plug connection according to claim 1, characterized in that the plug contact CD has widenings C6). 4. Plug connection according to claim 1, characterized in that the clamp C4) is a bracket whose legs C9) are bent as jaws C10). 20 5. Plug connection according to claim 1, characterized in that the bracket C4) has guides C1D. 6. Plug connection according to claim 1, characterized in that the clamp C4) has recesses C12). 7. Plug connection according to claim 1, characterized in that the plug contact CD and/or the clamp C4) are each formed in particular in one piece as stamped and bent parts. lii. Plug connection according to claim 1, characterized in that the plug contact CD is made of tinned spring bronze and/or that the clamp C4) is made of spring steel. Il MIi i I ii '· Il r « rm * m mm 9. Plug connection according to claim I _x , characterized in that the clamp (4) has bevels (12) on its running surface. Il INI ■ * If It Il I »II « # I Il It I I I I I I I I * I 11 tons 44ItIlIf