CN1164017C

CN1164017C - Device for fixing frame in electrical switching appliance case and case iwith same device

Info

Publication number: CN1164017C
Application number: CNB001026593A
Authority: CN
Inventors: 迪迪尔・巴迪恩; 迪迪尔·巴迪恩; 皮乔恩; 瑟奇·皮乔恩
Original assignee: Schneider Electric SE
Current assignee: Schneider Electric SE
Priority date: 1999-02-25
Filing date: 2000-02-25
Publication date: 2004-08-25
Anticipated expiration: 2020-02-25
Also published as: CN1264945A; FR2790356A1; SG86369A1; FR2790356B1; ID26116A

Abstract

The wall mounting box has a central rail holding electrical apparatus and a set of inner wall fixings (4) with further box wall fixing holes (12,13). There are side fixing feet (14) which clamp onto the wall when screws are passed through the inner walls and outer feet holes (19,20).

Description

With frame fixation in the electric switch equipment box device and with the box of this device

Technical field

The present invention relates to a kind ofly with the device of a frame fixation in an electric switch box, the design of this box is used for flush and is inlaid in one within the walls or in the similar articles.Described box comprises a rear wall and all sidewalls, and described framework comprises that a design is used for holding the rail of this switchgear and comprising two risers, and these two risers are fixed with the two opposite side walls of this box respectively by at least one pair of hole.Every pair of hole is respectively and is positioned at described riser and this framework respective side walls, mutual first hole and second hole in opposite directions, and every pair of hole design is used for holding a hold-down screw.

Background technology

Is to realize as follows in the known mode of people a frame fixation in belonging to an above-mentioned class box.Described two risers are included in their free end bending and form the position of a carriage, arrange two fixing holes in the bending part.The also bending and form a carriage at the edge of this box respective side walls, it also comprises two fixing holes, design is used for end when this riser and moves and lean against this box respective side walls bending and when forming the edge of carriage, just is placed on the position in opposite directions, two holes with above-mentioned riser.Then by described two holes that provide on this riser marginal end being provided and being screwed in two screws of arranging in the relative side walls free edge and realizing fixing.

Yet that in this way finishes is fixing, requires in this box flush setting-in operating period screw base to be protected, and enters in the described screw base to prevent the used material of this box of flush setting-in.Overcoming solution requirement that this disadvantage adopts provides the edge of a plurality of boxes, before the flush setting-in operation of this box is finished, these edges are towards the inside bending of this box, then, described these edges are towards the outside bending backward again of this box, to finish described framework fixing on described box.Its result, the shape at each edge of sidewall are comparatively complicated, and this edge occupies very big space in the inside of box.

In addition, adopt with a plurality of embedding lugs of all sidewall welding of box also be that people are known to finish this box with respect to the fixing of depth direction of wall.

Summary of the invention

The invention solves all problems that propose above, proposed a kind of structure that can simplify above-mentioned box edge, thereby simplify the fixture of this body structure of box.

For this reason, the objective of the invention is in order to obtain aforementioned such device, this device is characterised in that, after described each screw passes above-mentioned first hole and second hole, it is screwed into the 3rd hole that is arranged in the part that forms an embedding lug, and this embedding lug design is used for described box is fixed at depth direction.

Purpose of the present invention is also in order to obtain to be equipped with a box of the device that comprises an aforementioned feature or several characteristics combination.

Description of drawings

Yet some other feature and advantage of the present invention will be consulted accompanying drawing and be done to become more clear clear after the following detailed description.Wherein:

Fig. 1 is with the fragmentary, perspective view of frame fixation on box of the present invention by device of the present invention;

Fig. 2 is the perspective view that expression separately embeds lug; And

Fig. 3 is the end view of described lug.

Embodiment

See also Fig. 1, can see an electric switch equipment box C, design is used for flush and is inlaid in one within the walls.This box is mainly formed by a rear wall 1 and four sidewalls 2,3 (can only see wherein two in the drawings).This box C design is used for holding one or more switchgear frameworks 4, and each framework 4 is made of a rail 5 and two risers 6,7, and described riser 6,7 is individually fixed in two opposite ends of described rail 5, and extends perpendicular to described rail 5.This electric switch equipment in most of the cases, is made up of circuit breaker and switch, and design is used for being fixed to fixing later being fixed on the rail 5 of this box C at this framework 4.

For this reason, free end 6a, the 7a bending of described riser 6,7 form a carriage, and comprise two

holes

8,9 that are referred to as first hole, and each hole design is used for allowing a screw pass through.The free end of described

sidewall

2,3 also forms with respect to

sidewall

2,3 rectangular edges 11, and also comprises two

fixing holes

12,13 that are referred to as second hole, and the distance between these holes is corresponding to being arranged in the distance that opened in 8,9 minutes in riser 6 two holes.

One embeds lug 14 is fixed on the outer surface of corresponding sidewall 3 on the height of riser 6,7 by following manner: working with the respective openings (not shown) that provides in tightening member 15 that is roughly L shaped cross section and the described sidewall 3 clamps.The function of this embedding lug is at the fixing described box C of the depth direction of box after the operation of flush setting-in.This lug 14 is formed by a part, and this part comprises first one 16 and the

diaxon

17,18 that makes lug and sidewall 3 fixing, arranges two screwed

holes

19,20 in

diaxon

17,18, and each hole design is used for holding a hold-down screw (not shown).The distance that distance between 17,18 liang of

holes

19,20 of axle was also opened corresponding to two holes of framework 4 in 8,9 minutes, and corresponding to the distance between 11 liang of holes, edge 12,13.This lug 14 also comprises the second portion 23 that forms inclined flange, and this flange stretches out from box C on the incline direction of plane one-tenth greater than 90 ° α angle with respect to sidewall 3 place outer surfaces.This lug also comprises three reinforcements 24,25,26 that extend to second one 23 end 23a from first one 16.

This lug 14 is fixed on the sidewall 3, thereby, the

hole

12,13 that first one 16 two

holes

19,20 provide in sidewall 3 edges and locating, the upper wall of

axle

17,18 just presses the lower surface at described edge 11.

Beneficially, have one to embed lug 14 and each riser synergy, thereby each piece riser 6,7 can be fixed in the embedding lug 14.

Below describe with box be fixed within the walls operating procedure and with the operating procedure of frame fixation to the box:

At first will embed lug 14 fixes by the clamping and the corresponding sidewall 3 of box C of tightening member 15.Then, the assembly flush setting-in that is formed by box C and embedding lug advances in the opening of certain wall, and is sealed within the walls with suitable building bonding material.Then, each the piece riser 6,7 that belongs to a framework 4 is by screw being inserted in the corresponding opening and fixing with the corresponding wall of box C 3.So,, all have two screws to insert the edge 11 of respectively riser 6,7 end face 6a, sidewall 3 and

diaxon

17,18 respectively wherein in three

holes

8,12,19 and

hole

9,13,20 in opposite directions in for each piece riser.

As can be seen, according to this fixed mode, the bottom in

hole

19,20 can not be engaged material and stop up, because these holes are not exposed.Be noted that box metallic plate manufacturing, and embed the most handy plastics manufacturing of lug.The front panel (not shown) that be also pointed out that box is fixed in installation frame, and like this, each screw just passes four holes in succession.

Thereby, the complicated shape that does not fixedly need all sidewall edge of framework, and can obtain the inner maximum space that forms of box.In all sidewall edge, only need to bore two simple holes, and the screw base that requires before not needing.

So, no longer need to provide and design the embedding lug that is used for being welded on the sidewall, thereby reduced part and simplified its assembly working.

The present invention is not limited to these embodiment of diagram and explanation certainly, and providing these embodiment only is as example.

For finishing the fixing of described lug, the immobilising device of other form can be provided, the hole count that is associated with each riser also can be different.

Scope of the present invention comprises the technical equivalents thing of described device and all combinations thereof, finishes if the latter is a spirit according to the present invention.

Claims

1. one kind with the device of a frame fixation in an electric switch equipment box, the design of this box is used for flush and is inlaid in one within the walls, described box comprises a rear wall and a plurality of sidewall, described framework comprises that a design is used for holding rail and two risers of this switchgear, these two risers are fixed by relative with two of this box respectively sidewall at least one pair of hole, the every pair of hole comprises and laying respectively in described riser and this box respective side walls, mutual first hole and second hole in opposite directions, every pair of hole design is used for holding a hold-down screw, it is characterized in that, pass above-mentioned first hole (8 at described each hold-down screw, 9) and second hole (12,13) after, it is screwed into the 3rd hole that is arranged in the part that forms an embedding lug (14), and this embedding lug design is used for being fixed on described within the walls at the depth direction of described box described box.

2. device according to claim 1, it is characterized in that, every riser of described framework (4) (6,7) comprises that bending forms the free end of a carriage (6a, 7a), it also is that bending forms carriage and constitutes on the free end (11) at box (C) respective side walls (3) edge that design is used for being pressed against, and framework (4) and box (C) go up respectively that these two parts of bending formation carriage (6a, 11) comprise above-mentioned first hole (8,9) and second hole (12,13) respectively.

3. device according to claim 1 and 2, it is characterized in that, described each piece riser (6,7) comprises two fixing holes (8,9), they match with two holes that are arranged in respective side walls (3) edge (11) (12,13) on the one hand, match with two holes that are arranged in described embedding lug (14) (19,20) on the other hand.

4. device according to claim 1, it is characterized in that, described each embed lug (14) and comprise the first (16) that is pressed against on described box (C) sidewall (3) and be inclined to the part of inclination alpha greater than a flange (23) of 90 ° with respect to described sidewall (3).

5. according to the described device of claim-1, it is characterized in that described each embedding lug (14) comprises diaxon (17,18), each has the screwed hole (19,20) that design is used for holding screw.

6. device according to claim 1 is characterized in that, before fixing described framework (4), described embedding lug (14) is clamped on the corresponding sidewall.

7. device according to claim 6, it is characterized in that, described embedding lug (14) comprises that at least one cross section is roughly L shaped tightening member (15), and design is used for cooperating with the opening that provides in the respective side walls (3), to finish fixing of this lug (14) and described sidewall (3).

8. device according to claim 1 is characterized in that, described embedding lug (14) is made with plastics.

9. device according to claim 1 is characterized in that, fixing of the front panel of described box (C) also finished by above-mentioned hole (8,9,12,13,19,20) and embedding lug (14).

10. the box of an electric switch equipment, comprise a rear wall (1) and a plurality of sidewall (2,3), described box (C) design is used for holding the framework that at least one supports one or more electric switch equipments, and described framework or a plurality of framework (4) require any described device and described box (C) to fix by aforesaid right.