SE518358C2

SE518358C2 - Clamping cover for an electrical installation device

Info

Publication number: SE518358C2
Application number: SE9503564A
Authority: SE
Inventors: Joachim Majewski
Original assignee: Abb Patent Gmbh
Priority date: 1994-10-14
Filing date: 1995-10-12
Publication date: 2002-10-01
Also published as: SE9503564D0; DE4436780A1; DE4436780C2; SE9503564L

Abstract

The terminal cover (27) is an L-shaped component with one yoke-shaped arm (28) which can engage a slot (27) in a side wall of the housing in which it can latch. The dimensions of other arm (29) of the cover are selected so that it covers a second opening (40), arranged between the slot and a mounting plane, when fitted. It has an aperture (36) which coincides with the second opening. The outer edges of the yoke arm are at a distance from each other which corresp. to the width of the device. The height of the yoke arm, measured in the direction of the other arm, corresp. to the height of the slot.

Description

Il II 518 358 - I scanna o nova hint It 0 Oo 2 lellt gående sidoväggar 16 och 17; i det övre området i fig. 1 täcks de båda sidoväggarna 16 och 17 av en bryggvägg 18, som uppvisar ett hål 19, genom vilket en klämskruv 20 sträcker sig. Il II 518 358 - I scanna o nova hint It 0 Oo 2 lellt gående sidoväggar 16 och 17; in the upper area of Fig. 1, the two side walls 16 and 17 are covered by a bridge wall 18, which has a hole 19, through which a clamping screw 20 extends.

Den nedre bryggväggen 19a omges av klämramen 15, vilken uppvisar sidoväggar 21, (den ovanför ritningsplanet befintliga sidoväggen finns inte inritad) samt övre och nedre bryggväggar 22 och 23.The lower bridge wall 19a is surrounded by the clamping frame 15, which has side walls 21, (the side wall existing above the drawing plane is not drawn) and upper and lower bridge walls 22 and 23.

Klämskruven är inskruvad i den övre bryggväggen 22. Mellan bryggväggen 19a och bryggväggen 23 kan en anslutningsledare klämmas fast och mellan klämskruvens skalle 24 och stegväggen 18 kan likaså en anslutningsledare, exempelvis i form av en plan- skena, klämmas fast. För detta ändamål har huset en från smal- sidoväggen 25 utgående slits 26.The clamping screw is screwed into the upper bridge wall 22. Between the bridge wall 19a and the bridge wall 23 a connecting conductor can be clamped and between the clamping screw head 24 and the step wall 18 a connecting conductor, for example in the form of a flat rail, can also be clamped. For this purpose, the housing has a slot 26 extending from the narrow side wall 25.

I denna slits 26 finns ett klämlock 27 insnäppt, som närmare visas i fig. 2-4.A clamping cap 27 is snapped into this slot 26, which is shown in more detail in Figs. 2-4.

Klämlocket är, såsom framgår av fig. 3, L-format med en första skänkel 28 och en vinkelrätt mot denna gående andra skänkel 29. Den första skänkeln 28 är formad som en gaffel med två skänkelavsnitt 30 och 31, vilkas ytterkanter uppvisar en spalt, som motsvarar bredden hos huset 10 i ledningsskyddsbryta- ren 11, mätt vinkelrätt mot ritningsplanet. Det inre avståndet mellan skänklarna 30 och 31 motsvarar i huvudsak klämskruvens skalldiameter eller bredden hos bryggväggen 18, likaså mätt vinkelrätt mot ritningsplanet.The clamping lid is, as shown in Fig. 3, L-shaped with a first leg 28 and a second leg 29 running perpendicular thereto. The first leg 28 is formed as a fork with two leg sections 30 and 31, the outer edges of which have a gap, which corresponds to the width of the housing 10 in the line protection switch 11, measured perpendicular to the drawing plane. The internal distance between the legs 30 and 31 substantially corresponds to the shell diameter of the clamping screw or the width of the bridge wall 18, also measured perpendicular to the plane of the drawing.

Vid roten på staplarna 30 och 31 har dessa på insidan vardera en vinkelrätt mot utsträckningen gående list 32 och 33, som vid kanten på skänklarna 30 och 31, från vilka även skänkeln 29 skjuter ut, går över på ett avstånd d från skänkeln 29 i en klack 34, som skjuter ut mot skänkeln 29. Avståndet d motsvarar husets 10 väggtjocklek dl, så att klacken 34 i monterat till- stånd griper in bakom den huskant, som är anordnad i slitsens område. Denna vägg 10 respektive det här anordnade väggområdet visas med streckade linjer i fig. 3.At the root of the stacks 30 and 31, these on the inside each have a strip 32 and 33 perpendicular to the extent, which at the edge of the legs 30 and 31, from which also the leg 29 protrudes, passes at a distance d from the leg 29 in a heel 34, which projects towards the leg 29. The distance d corresponds to the wall thickness dl of the housing 10, so that the lug 34 in the assembled condition engages behind the edge of the housing, which is arranged in the area of the slot. This wall 10 and the wall area arranged here, respectively, are shown in broken lines in Fig. 3.

Skänkeln 29 har på innerytan en skänkeln övertäckande skän- kellist 35 samt ett hål 36.The leg 29 has on the inner surface a leg covering leg strip 35 and a hole 36.

För att en ledning ska kunna klämmas fast mellan bryggväggar- na 19 och 23, har huset 10 en öppning 40 i detta område; hålet 36 ligger i linje med öppningen 40 i monterat tillstånd.In order for a conduit to be clamped between the bridge walls 19 and 23, the housing 10 has an opening 40 in this area; the hole 36 is aligned with the opening 40 in the mounted condition.

För att klämskruven 20 ska kunna påverkas har huset en åtkomstöppning 41 för klämskruven. 518 358 - vara 0-00 o o 3 I fig. 1 visas klämlocket enligt fig. 2-4 schematiskt; man ser i fig. 1 skänkeln 29 utan listen 35.In order for the clamping screw 20 to be affected, the housing has an access opening 41 for the clamping screw. 518 358 - be 0-00 o o 3 In Fig. 1 the clamping lid according to Figs. 2-4 is shown schematically; Fig. 1 shows the leg 29 without the strip 35.

Claims

10 15 20 25 30 ¶Catent claims 513 358 * i

1. Clamping cap for an electrical installation device, in particular a line protection switch, comprising at least one connection terminal located in the housing of the installation device on the narrow side, the clamping screw goes perpendicular to the mounting plane and is accessible via a first opening in the front opposite the mounting plane. slot, starting from the associated, approximately parallel to the clamping screw and perpendicular to the fastening plane perpendicular to the mounting plane, which covers the connecting clamp, a plane rail clamped between the slot and the head of the clamping screw, and a second opening arranged between the slot and the mounting plane, shaft, characterized in that the lid (27) consists of an L-shaped construction element, one leg (28) of which is shaped like a fork and can be snapped into the slot (26), and the other leg (29) of which is dimensioned so that in the assembled state, it covers the second opening (40), it having a lead-through hole (36) which is aligned with d the second opening (40).

Clamping lid according to Claim 1, characterized in that the outer edges of the fork legs (30, 31) are arranged at a distance from one another, which corresponds to the width of the installation device (10).

Clamping lid according to one of the preceding claims, characterized in that the height of the fork legs (30, 31) measured in the direction of the second leg (29) corresponds to the height of the slot (26).

Clamping cap according to one of the preceding claims, thanked by the fact that each fork leg (30, 31) at the root has a lug (34) projecting parallel to the other leg (29).

Clamping cap according to one of the preceding claims, characterized in that the internal distance between the fork legs (30, 31) corresponds to the dimensions of the connection clamp in a direction perpendicular to the wide side of the housing or the diameter of the clamping screw head (24). *