CN103975408A - Anti-splashing device in the junction area of two adjacent housing parts of enclosures for modular electrical equipment - Google Patents

Abstract

Anti-gaping device designed for a zone for joining two adjacent portions of shell (3a, 4a; 3b, 4b; 3c, 4c) of a housing of a modular electrical apparatus (1) of the circuit breaker or isolator type, said portions of shell (3a, 4a; 3b, 4b; 3c, 4c) forming when they are edge to edge a face (6a, 6b, 6c) of plane appearance of said housing comprising at least one window (7a, 7b, 7c) affording access to a connection device (5a, 5b, 5c) for the connection of at least one external conductor (8a, 8b, 8c) with a view to its clamping against a conducting terminal (11) linked to a functional block of the apparatus (1). This device is characterized in that said terminal (11) comprises a span stretching parallel to and in the vicinity of said face (6a, 6b, 6c) for connection and comprising at least one recess for receiving at least one lug (17) protruding from each portion of shell (3a, 4a; 3b, 4b; 3c, 4c) to the interior of the housing, each lug (17) being inserted into a recess so that in the inserted position, the surfaces of the lugs (17) and of the recess or recesses in contact position the portions of shell (3a, 4a; 3b, 4b; 3c,4c) edge to edge so as to constitute the face (6a, 6b, 6c) of plane appearance and oppose their separation.

Description

The anti-deploying device of the calmodulin binding domain CaM of two adjacent housings parts of modular electrical device shell

Technical field

The present invention relates to a kind of anti-deploying device, be designed for the calmodulin binding domain CaM of two adjacent housings parts of electric equipment shell, such as the breaker module for connecting valve formula or ground-fault interrupter formula etc.The invention still further relates to the modularized equipment with this device.

Background technology

Thereby these two housings formation cap formula structures form the shell of this equipment.These two housings are assembled by riveting and/or weld (heading) conventionally, and welding relates to the pad that is distributed in the diverse location on housing maximized surface.

Equipment involved in the present invention has at least one for being connected to the device of protected circuit, can touch via a part for described housing, and in the time that the edge of described housing is close to edge, described housing forms the plane connecting surface of described module housing.In fact this surface has at least one window that passage is provided to jockey, described jockey is used for connecting at least one external conductor, so that described external conductor and conductive terminal be clamped together, described conductive terminal is connected to the functions of the equipments piece of the function that execution has.

This can be simple connection, for example, be provided for inserting the single window of electric wire, or can be dual connection, for example, have two windows of the identical connecting surface kind of the module of being formed on, thereby is allowed for the dual connection of direct power supply supply and shunting.

Described window is the width center of the connecting surface in module conventionally, therefore the calmodulin binding domain CaM between two adjacent housing parts at least in part.

Jockey usually comprises terminal retainer, has the trip bolt that can touch from the front of product.From conventionally tightening this screw perpendicular to the described front of connecting surface with screwdriver, this can cause Tightening moment in terminal retainer.Described terminal retainer trends towards producing pressure in distortion and at least one in described adjacent housing parts, thereby makes described adjacent housing parts separately, and in fact this be called as " opening ".This opening mainly can be seen in connecting surface, and this is because near the stress maximum this connecting surface producing due to Tightening moment during tightening.

This opening is obviously that we are undesired, be no matter from aesthetic or say from fail safe.In the time that this equipment is powered, must protect device interior to avoid the possible intrusion of any external entity, such as splashing etc., these external entities may be such as causing short circuit, or more commonly cause the fault on circuit.Therefore, shell plays the effect of the electric insulation over cap of equipment, and the appearance of opening has changed this effect, let alone consequential housing risk of rupture.

Summary of the invention

Therefore, the present invention's object is: no matter how be applied to Tightening moment on jockey, can prevent that the calmodulin binding domain CaM between two of shell module adjacent housing parts from opening.

Because the space in shell reduces relatively, thereby in so specific position, can not hold physically this riveted type/buckle-type locking device opening for preventing connecting surface.A solution relates to by welding or the edge of bonding described connecting surface and being permanently fixed, and this is also impossible, especially because industrialized reason.

Advantageously, anti-deploying device according to the present invention is not incorporated into any additional components in shell, and the assembling of shell is simple, quick, convenient.

The present invention is characterized in, the conductive terminal being connected with the functional block that is contained in equipment center comprises being positioned at and is parallel to the part that connecting surface is extended near connecting surface, this part comprises at least one accommodation section, and described accommodation section is for receiving at least one bead of protruding towards described enclosure from each housing parts.Each bead is inserted in described accommodation section, make in insertion position, described bead and described in the surface that the holds state in being in contact with one another, thereby make described housing parts edge by border land location, form on the one hand described flat surface, and prevent that on the other hand described flat surface from separating.

This makes, and except the diverse location at shell is by welding or rivet the closed allround of carrying out, can ensure that sentencing local mode at the jockey of shell connects edge.

In other words, this is the position of adjusting housing parts with respect to conductive terminal, and described conductive terminal also plays the effect of two local fixing between housing parts.

According to a kind of possible structure, each housing parts includes bead, and two beads of two described housing parts cooperate with the same hole of described conductive terminal.

According to a kind of Functional Requirement, each bead comprises the edge-oriented semi-cylindrical surfaces towards the hole of described conductive terminal, and described hole is circular.

Bead and hole can have various other forms.Advantageously, in the time that two housings assemble, the shape of two beads of this group side by side encases and adapts to the shape in the hole of conductive terminal each other.

According to the present invention, described conductive terminal is U-shaped shape, and the substrate of described U-shaped is parallel to described connecting surface, and branch of described U-shaped forms and being connected of functional block, and another branch comprises the bullport of the screw for guiding described jockey.

Described terminal is made up of the metal of copper type, and relatively thick and hard, therefore during the clamping of conductor, almost or is not out of shape/mobile.In addition, it provides fabulous space reference, because it is placed on device interior ideally, is more specifically forming center between two housing parts of shell and near the region of easily opening.In addition, it has given its stability in equipment to the connection of functional block.Therefore, this terminal is the anchor point of anti-deploying device to a certain extent.

More specifically, described bead is positioned near the edge or wheel rim (rim) of two described housing parts, and with respect to longitudinal symmetrical plane of described shell and symmetry.

Preferably, described bead and affiliated housing parts are molded as single entirety.

Brief description of the drawings

The present invention is described below with reference to the accompanying drawings in more detail, in accompanying drawing:

Fig. 1 illustrates the phenomenon of opening on device;

Fig. 2 is the exploded view having according to the module of the anti-deploying device of a feasible configurations of the present invention;

Fig. 3 is according to the enlarged drawing of the exploded view of the anti-deploying device of Fig. 2;

Fig. 4 is according to the assembly of the anti-deploying device of Fig. 2 and Fig. 3 structure;

Fig. 5 is according to the cutaway view of the anti-deploying device of assembling with the structure that accompanying drawing is identical before.

Embodiment

Fig. 1 illustrates the electric equipment 1 of three modules.Each module 2a, 2b, 2c include two adjacent housing parts (3a, 4a; 3b, 4b; 3c, 4c), by clamping and weld to assemble described housing parts (3a, 4a; 3b, 4b; 3c, 4c), form shell.

In the case of the equipment shown in Fig. 1, each module 2a, 2b, 2c include jockey 5a, 5b, the 5c that can see from connecting surface 6a, 6b, 6c.Described connecting surface 6a, 6b, 6c are by two adjacent housing parts (3a, 4a; 3b, 4b; 3c, 4c) form, and there is connection window 7a, 7b, 7c that passage is provided to described jockey 5a, 5b, 5c.Described jockey 5a, 5b, 5c comprise traditional terminal retainer and screw.

Power lead 8a, 8b, 8c can insert in these windows 7a, 7b, 7c, then penetrate described retainer inside.By tightening screw 9a, 9b from product front vertical and that be adjacent to described connecting surface 6a, 6b, 6c, 9c realizes connection, so as to press wire 8a, 8b, 8c makes it against conductive terminal, described conductive terminal is connected to the central functionality piece (not shown) of the execution function of equipment.

This clamping causes Tightening moment, and due to the stress that retainer produces, described Tightening moment is followed between two housing parts that form connecting surface 6a, 6b, 6c and caused and open 10a, 10b, 10c, and as shown in Figure 1, this can make housing parts 3a, 4a; 3b, 4b; 3c, 4c distortion.

Fig. 2 illustrates the exploded view of a module 2, has the surface of two housings 3,4 and conductive terminal 11, the first planes with respect to connecting surface 6, and module 2 is by 180 ° of rotations.

Conductive terminal 11 is U-shaped shape:

The base portion 12 of-U-shaped is parallel to connecting surface 6a, 6b, 6c and comprises round center hole 15;

Upper 13 bullports 16 that comprise the screw 9 for guiding jockey of-U-shaped;

Lower 14 of-U-shaped than upper 13 long, being connected of the functional block of described lower 14 formation and equipment 1.

In Fig. 3, can see better terminal 11, this terminal 11 by two housing parts 3,4 that form connecting surface 6 around.

Bead 17 is protruded towards enclosure from these two housing parts 3,4.These beads 17 are positioned near the edge 18 of two housing parts, and with respect to longitudinal symmetrical plane of described shell and symmetry.As shown in Figure 4, in the time that housing 3,4 is incorporated into together with formation module 2, these two beads 17 can be inserted in the hole 15 of the U-shaped base portion 12 that forms conductive terminal 11.According to the structure shown in these figure, bead 17 has complicated shape, i.e. bevel body, comprising:

-semi-cylindrical first surface 19, towards the edge in the hole 15 of conductive terminal 11 and orientation;

-straight second surface 20, is connected to first surface 19 at the edge 18 of housing;

-upper surface 21 and lower surface 22 are all conical in shape.

Therefore, the first surface 19 of bead 17 nestles up the round-shaped part in hole 15.

With reference to figure 5, when two beads 17 are contained in hole 15, its first surface 19 contacts with two opposite edges 23,24 in the hole 15 of terminal 11 symmetrically.If housing parts 3,4 will be out of shape along with the excessive Tightening moment in terminal retainer, bead 17 will keep being contained in hole 15 so, thereby prevents that connecting surface 6 places between housing parts 3,4 from producing any opening.

Present invention is described to have used an instantiation structure, especially, about shape and their location in module 2 in bead 17 and hole 15, still the invention is not restricted to this.On the contrary, the present invention includes those skilled in the art and can realize all replacement execution modes and the structure in scope.

Claims (7)

1. an anti-deploying device, is designed for two adjacent housings parts (3a, 4a of the shell (1) of the modular electrical device of breaker type or switching regulator; 3b, 4b; 3c, 4c) calmodulin binding domain CaM, as two described housing parts (3a, 4a; 3b, 4b; 3c, 4c) edge when the edge, described housing parts (3a, 4a; 3b, 4b; 3c, 4c) form the flat surface (6a, 6b, 6c) of described shell, described flat surface (6a, 6b, 6c) comprises at least one window (7a, 7b, 7c) that passage is provided to jockey (5a, 5b, 5c), described jockey (5a, 5b, 5c) is for connecting at least one external conductor (8a, 8b, 8c), described external conductor (8a, 8b, 8c) can be clamped together with the conductive terminal (11) being connected with the functional block of described equipment (1)

It is characterized in that, described conductive terminal (11) comprises being positioned at and is parallel to the part that described connecting surface is extended near connecting surface (6a, 6b, 6c), this part comprises at least one accommodation section, and described accommodation section is for receiving from each housing parts (3a, 4a; 3b, 4b; 3c, 4c) at least one bead (17) of protruding towards the inside of described shell, each bead (17) is inserted in accommodation section, make in insertion position, the state of the surface of described bead (17) and described accommodation section in being in contact with one another, thus make described housing parts (3a, 4a; 3b, 4b; 3c, 4c) edge forms described flat surface (6a, 6b, 6c), and prevents that described flat surface (6a, 6b, 6c) from separating by border land location.

2. anti-deploying device according to claim 1, is characterized in that, each described housing parts (3a, 4a; 3b, 4b; 3c, 4c) include bead (17), two described housing parts (3a, 4a; 3b, 4b; 3c, 4c) two beads (17) cooperate with the same hole (15) of described conductive terminal (11).

3. anti-deploying device according to claim 2, it is characterized in that, each described bead (17) comprises the semi-cylindrical surfaces (19) directed towards the edge (23,24) in the hole (15) of described conductive terminal (11), and described hole (15) are circular.

4. according to the anti-deploying device described in claim 2 or 3, it is characterized in that, described conductive terminal (11) is U-shaped shape, the substrate (12) of described U-shaped shape is parallel to described connecting surface (6a, 6b, 6c), a branch (14) formation of described U-shaped shape and being connected of described functional block, another branch (13) comprises the bullport (16) of the screw (9a, 9b, 9c) for guiding described jockey (5a, 5b, 5c).

5. according to the anti-deploying device described in any one in claim 2-4, it is characterized in that, described bead (17) is positioned near the edge (18) of two described housing parts (3,4), and with respect to longitudinal symmetrical plane of described shell and symmetry.

6. according to the anti-deploying device described in any one in claim 2-5, it is characterized in that, described bead (17) is molded as single entirety with the housing parts (3,4) of upper genus.

7. the modularized equipment (1) of a breaker type or switching regulator, has the anti-deploying device as described in any one in the claims.