IE910843A1

IE910843A1 - Contact component for a distributor in a telecommunication network

Info

Publication number: IE910843A1
Application number: IE084391A
Authority: IE
Inventors: Franz Dolanslky; Ewald Steiner
Original assignee: Siemens Ag
Priority date: 1990-03-14
Filing date: 1991-03-13
Publication date: 1991-09-25
Also published as: EP0519924B1; PT97030B; IE64669B1; EP0519924A1; PT97030A; AU653923B2; FI924087A0; FI924087A; AU6759390A; DE59006534D1; JPH05505056A; ES2056493T3; WO1991014299A1; ATE108954T1

Abstract

A flat, stackable contact component (1) with two rows of contact parts (2) has a housing which can be assembled from a front part (11) and a rear part (10). In the region of the front of the rear part (10), the contact parts (1) have holding tabs which wrap around the outer walls (14) of the rear part (10). The contact parts (2) can therefore be fixed onto the rear part in the correct position for assembly, without the use of special aids, before the front part (11) is placed on the rear part.

Description

The invention relates to a contact component for a distributor in a telecommunication network, especially in a telephone exchange, the flat contact component exhibiting at its front end two rows of contact elements for incoming and outgoing lines which are provided with contact springs protruding into the interior of the contact component.

Such a contact component has become known, for example, through German Patent Specification 2,658,296. According to this document, the contact component exhibits a casing which can be plugged together from a rear part and a front part and which is held together by means of latching hooks. In each case two contact elements opposite one another in pairs in the two rows form a disconnect contact which can be interrupted by a disconnect plug which can be pushed in from the front. During the assembly, the contact elements are first inserted into the rear part and held by means of an auxiliary device in a position which enables the front part to be plugged on.

According to DE 32 12 013 C2, one of the two contact parts in a similar contact component is elongated towards the rear of the contact component and forms there a connecting contact for a protective plug. This long contact part can be inserted here into the rear part from the rear only in opposition to the general direction of assembly. This makes it more difficult to automate the assembly.

The invention is based on the object of designing the contact component in such a manner that it can be produced and assembled more easily.

This object is achieved by the invention in accordance with Claim 1. By forming the holding tabs at the contact parts, it is possible to fix these in location at the rear part in such a manner that further tool aids can be dispensed with. This makes it possible IE 91843 to equip the rear parts with the contact components independently of the front parts, for example, at several places, and subsequently to put on the front part in one fast work cycle at one station. Since the holding tabs protrude into the direction of plugging, they can be fixed in location at the rear part in one movement with the pushing-in into the latter without additionally requiring further measures for this purpose.

Advantageous further developments of the 10 invention are characterised in Claims 2 to 5: Due to the further development according to Claims 2 and 3, the holding tabs form a u-shaped receptacle which is engaged by corresponding portions of the rear part.

Due to the further development according to Claim 4, the contact parts are held directly at the outside wall on the side of the front part. This provides the possibility of particularly accurate fixing in location with respect to the front part. In this connection, it is of advantage that the contact parts are secured against displacement by an area of the contact part or of the holding tab, which is bent at right-angles, between the front part and the rear part in the direction of plugging-in. The fixing pins and fixing holes arranged on alternate sides in the casing or the contact parts, respectively, can be omitted. Such fixing means complicate the plugging-together of the parts.

The further development according to Claim 5 considerably simplifies the assembly of the contact component. The long contact part can now be placed against the rear part, and reliably fixed in location at the latter, from the front in the general direction of assembly. In this connection, the holding tab is bent at right angles towards the inside and encircles the associated outside wall from the inside. The opposite contact part is conducted along the inside on the opposite outside wall. In this arrangement, the holding tab encircles the outside wall from the outside.

In a contact component according to the invention IE 91843 it is of particular advantage that, for example, damaged contact parts can be easily exchanged without special measures being required for fixing the remaining contact parts in location after the front part has been pulled off.

In the text which follows, the invention will be explained in greater detail with reference to an illustrative embodiment shown in the drawing.

The two Figures 1 and 2 show in a sectional 10 representation and in a top view a contact component 1 which is equipped with two parallel rows of contact parts 2 which are opposite one another in pairs. These are formed at the front 3 of the contact component 1 as insulation piercing connecting devices 4 to which incoming and outgoing lines 5 are connected. In the interior of the contact component 1, the contact parts are formed as contact springs which are electrically connected via a disconnect contact 6. This contact can be interrupted by means of a disconnect plug which can be inserted from the front into the contact component.

A row of the contact parts 2 is elongated up to the rear of the contact component 1 and forms there spring contacts 7 for a protective plug with a current fuse. The protective plug can be connected to counter25 contacts 8 of an intermediate spring 9 of the contact component 1, against which the shorter contact part 2 elastically rests with its inner end forming the disconnect contact 6. In this manner, an electrical connection is established between the incoming and outgoing lines 5.

The contact component 1 exhibits a casing split into two which consists of a rear part 10 and a front part 11 which can be plugged together with the former. The two parts are held together by latching hooks 12.

The contact parts 2 are fixed in location at outside walls 14 of the rear part 10 by means of brokenout holding tabs 13. The longer contact part 2 in this arrangement rests against the outside of its outside wall 14. The holding tab 13 is bent at right-angles towards the inside and engages the rear of the outside wall 14 the inside and engages the rear of the outside wall 14 from the inside. The section bent at right angles extends in a narrow gap between the rear part 10 and the front part 11, as a result of which the contact part 2 is fixed against displacement in its longitudinal direction.

The opposite shorter contact part 2 rests against the inside of the associated outside wall 14 and extends bent at right-angles in the area of its holding tab 13 so that, together with the extended holding tab 13, a u10 shaped receptacle for the front area of the outside wall is produced. Similar to the long contact part 2, the right-angled bending is located between the rear part 10 and the front part 11.

During the assembly of the contact component 1, the contact parts 2 are first pushed into the rear part from the front, during which process they are fixed in location in a clamping manner against the outside walls with the aid of the holding tabs 13. As the result, the contact parts 2 are located in a position which is correct for assembly without further aids and which enables the front part 11 to be simply plugged-on in the same direction of assembly.

Claims

1. Patent Claims

1. Contact component (1) for a distributor in a telecommunication network, especially in a telephone system, the flat, stackable contact component (1) 5 exhibiting two rows of contact parts (

2. ) to which incoming and outgoing lines (5) can be connected at the front (3) of the contact component (1), the contact parts (2) being formed as contact springs in the interior of the contact component and in each case two contact parts 10 (2) opposite one another in pairs forming a disconnect contact (6) or switching contact and the contact component (1) exhibiting a casing which can be plugged together from a rear part (10) and a front part (11) and to which the contact parts (2) are anchored, 15 characterised in that the contact parts exhibit a brokenout holding tab (13) which extends in the direction of plugging and which engages the rear of a wall part of the rear part (10) and fixes the contact part (2) in location at the rear part (10) correctly for assembly. 20 2. Contact component according to Claim 1, characterised in that the holding tab (13) protrudes in the direction of the rear of the contact component (1).

3. Contact component according to Claim 1 or 2, characterised in that the contact part (2) and the 25 holding tab (13) are bent to form a contour extending in a u-shape.

4. . Contact component according to one of Claims 1 to 3, characterised in that the contact part (2) encircles with the holding tab (13) an outside wall (14) of the 30 rear part (10) from the front (3).

5. Contact component according to one of the preceding claims, characterised in that the contact part (2), which is extended towards the rear of the contact component (1), is conducted past the latter on the 35 outside and engages with its holding tab (13) the rear of the web-like outside wall (14) of the rear part (10) on the inside.

6. A contact component according to claim 1, substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.