CN101903964B

CN101903964B - Interlock device, kit of parts including such device

Info

Publication number: CN101903964B
Application number: CN2008801214867A
Authority: CN
Inventors: 罗伯托·博费利
Original assignee: BTicino SpA
Current assignee: BTicino SpA
Priority date: 2007-12-21
Filing date: 2008-11-27
Publication date: 2013-08-07
Anticipated expiration: 2028-11-27
Also published as: RU2010130305A; DE602007010496D1; EP2073231A1; RU2467424C2; ES2370696T3; EP2259278B1; PL2073231T3; PL2259278T3; ATE519211T1; EP2073231B1; EP2259278A1; WO2009080442A1; CN101903964A; ES2356152T3; ATE488019T1

Abstract

Interlock device (1) suitable to be arranged within an electric panel or box in order to prevent that first (Sw-sx) and second (Sw-dx) electrical circuit breakers are both in a closed state. The interlock device (1) is intended to be sandwiched between facing side walls (2c, 3b) belonging to the first and second electrical circuit breakers respectively, and it comprises first (15) and second (16) secondary control members suitable to be operatively movable through respective openings (10, 11) provided on the facing side walls (2c, 3b) of the first (Sw-sx) and second (Sw-dx) circuit breakers. The side arrangement of the interlock device, and the ability thereof to laterally act with the circuit breakers allow applying front implements to the circuit breakers, while obtaining an interlock device suitable to reduce the thickness dimensions inside the electric panel, and characterized by a relatively easy structure both from the point of view of the components which are employed, and the operation thereof.

Description

Interlock and comprise the parts group of this device

Technical field

The present invention relates to the technical field of electric equipment, and specifically, it relates to the interlock defined in the preamble as claimed in claim 1.

Background technology

In the technical field of industrial electrical installation, use the mechanical interlock that is associated with electric circuit breaker, for example, in order to prevent that two energy (for example, main power source and accessory power supply) that are intended to operate in the mode of mutual exclusion from starting unwelcomely simultaneously is known.

Specifically, be adapted to pass through that anterior control lever with electric circuit breaker carries out mechanical interference and " front portion " interlock of working from the front portion is known.Yet this device has damaged the possibility that anterior instrument, for example motorisation unit is applied to circuit breaker from the front portion.

It is known in addition being intended to be installed in the distribution panelboard at place, rear portion of the circuit breaker that will be interlocked or " rear portion " interlock of distribution box inside.Yet when permission put on circuit breaker with anterior instrument, such device had the shortcoming of other type.In fact, because they are arranged in the rear portion of the conducting element that the existence of distribution panelboard stretched, their major defect is to be necessary to cut off the voltage that is conducted to distribution panelboard during interlock is carried out attended operation.In addition, " rear portion " interlock has complicated structure usually, it is characterized in that, and a large amount of parts, they have occupied a lot of spaces in the thickness of distribution panelboard, and need regularly adjust operation.

Summary of the invention

The purpose of this invention is to provide a kind of interlock that can eliminate the above-mentioned shortcoming relevant with prior art.

Such purpose is to realize by a kind of interlock that prevents that first electric circuit breaker and the second electric circuit breaker both are in closure state.In first electric circuit breaker and second electric circuit breaker each includes: shell body; And first master control member and the second master control member, it lays respectively on the antetheca of shell body, and can be respectively mobile between the rest position of first electric circuit breaker and second electric circuit breaker and actuated position.This interlock is intended to be interposed between the sidewall of facing mutually of housing of the housing that belongs to first electric circuit breaker respectively and second electric circuit breaker, and comprise :-the first sub-control member and the second sub-control member, it can move between first operating position and second operating position, the first sub-control member and the second sub-control member are suitable for operatively being associated with respectively the first master control member and the second master control member, thereby make win operating position and second operating position correspond respectively to rest position and the actuated position of the first and second master control members; And locking device, it can optionally be locked in the first sub-control member and the second sub-control member in first operating position when interlock is interposed between first electric circuit breaker and second electric circuit breaker; The first sub-control member and the second sub-control member are suitable for operatively moving through the corresponding opening of first electric circuit breaker and the sidewall of facing mutually of second electric circuit breaker.This interlock is characterised in that this locking device comprises rocking bar, and this rocking bar can rotate between first jiao of position of default rotation and second jiao of position, and first jiao of position is different with second jiao of position and is predetermined.This interlock comprises the positioner of rocking bar, this its be suitable for cooperating with rocking bar, so that when the first sub-control member and the second sub-control member are in first operating position, rocking bar is reached and remain in the intermediate angular positions between first jiao of position and second jiao of position.

A favourable execution mode according to interlock of the present invention, rocking bar comprises first composition surface and second composition surface, make when rocking bar is in first jiao of position, the first sub-control member and second composition surface are suitable for connecting with first composition surface and the second sub-control member respectively, and when rocking bar was in second jiao of position, the second sub-control member and first composition surface were suitable for connecting with second composition surface and the first sub-control member respectively.

Another favourable execution mode according to interlock of the present invention, when rocking bar is in first jiao of position, the first sub-control member is in first operating position, the second sub-control member can move between first operating position and second operating position simultaneously, and when rocking bar is in second jiao of position, the second sub-control member is in first operating position, and the first sub-control member can move between first operating position and second operating position simultaneously.

According to another favourable execution mode of interlock of the present invention, first composition surface and second composition surface belong to first tooth and second tooth of rocking bar respectively, and this first tooth and second tooth are spaced from each other around default rotation angledly.

According to another favourable execution mode of interlock of the present invention, the default rotation of rocking bar is level.

Another favourable execution mode according to interlock of the present invention comprises main casing, and this main casing comprises two open communication, and the first sub-control member and the second sub-control member can operatively move through two open communication respectively.

Another favourable execution mode according to interlock of the present invention, main casing comprises box-shaped part and the protecgulum that is connected to the box-shaped part in mode removably, and each open communication is all extended on ground, protecgulum top and is divided ground to extend in the corresponding side wall upper part of main casing; The sidepiece of open communication and front portion are intended to operate mobile respectively and then are made the first sub-control member link to each other with main casing/disconnect with the second sub-control member and be connected.

According to another favourable execution mode of interlock of the present invention, each in the first sub-control member and the second sub-control member all causes when it is in first operating position front portion towards corresponding open communication.

According to another favourable execution mode of interlock of the present invention, intermediate angular positions prevent the part at rocking bar under the situation that does not have the first sub-control member and the second sub-control member can adopt be arranged on main casing on the anterior corresponding position of open communication.

According to another favourable execution mode of interlock of the present invention, the intermediate angular positions of rocking bar is placed in the middle between first jiao of position and second jiao of position.

Another favourable execution mode according to interlock of the present invention, the positioner of rocking bar is suitable for cooperating with rocking bar, first composition surface of the rocking bar when being in second operating position respectively to reduce the first sub-control member and the second sub-control member and second composition surface of the gap between the first sub-control member and rocking bar and the gap between the second sub-control member.

According to another favourable execution mode of interlock of the present invention, rocking bar comprises first tooth and second tooth, and first tooth and second tooth are spaced from each other around default rotation angledly, and positioner comprises spring; Spring comprises and being suitable for respectively by the first arm of first tooth and the second tooth bending and second arm, and when rocking bar was in second jiao of position and the first jiao of position respectively, the first arm and second arm stored maximum elastic energy.

Another favourable execution mode according to interlock of the present invention comprises centralising device, and it is suitable for cooperating with first electric circuit breaker and second electric circuit breaker, accurately to locate interlock with respect to first electric circuit breaker and second electric circuit breaker.

According to another favourable execution mode of interlock of the present invention, centralising device is the tongue of outwards giving prominence to respect to the main casing of interlock.

According to another favourable execution mode of interlock of the present invention, when moving, the first sub-control member and the second sub-control member follow curved path between first operating position and second operating position.

Other purpose of the present invention provides a kind of parts group, it comprises first electric circuit breaker, second electric circuit breaker and described interlock as described above, and this interlock is suitable for preventing that first electric circuit breaker and the second electric circuit breaker both are in the closure state.

According to another favourable execution mode of parts group of the present invention, first electric circuit breaker and second electric circuit breaker comprise opening, and these openings are on the sidewall of facing mutually of each shell body at least; Interlock is sandwiched between between the sidewall of facing mutually, and the first sub-control member of interlock and the second sub-control member can be operatively opening by the sidewall faced mutually.

According to another favourable execution mode of parts group of the present invention, the opening of the sidewall of facing mutually of the shell body of first electric circuit breaker and second electric circuit breaker is two curved slot.

Description of drawings

Further feature of the present invention and advantage will be by the detailed descriptions that only provide as non-limiting example with reference to the accompanying drawings and are clear, wherein:

-Fig. 1 is the front perspective view of parts group, and it comprises that according to first electric circuit breaker of preferred implementation of the present invention and second electric circuit breaker and interlock this parts group is depicted as and is in first operative configuration;

-Fig. 2 is the front perspective view that is in the parts group in second operative configuration of Fig. 1;

-Fig. 3 is the stereogram of parts of the interlock of the electric circuit breaker of parts group of Fig. 1 and Fig. 1;

-Fig. 4 is the stereogram of internal structure of the electric circuit breaker that is attached to the interlock parts among Fig. 3 of Fig. 1;

-Fig. 5 is the stereogram of the parts group of Fig. 1, wherein, has removed in the circuit breaker, and wherein, interlock is shown as and is in the 3rd structure;

-Fig. 6 is the stereogram of the parts group of Fig. 5, wherein, and first lid of visible interlock;

-Fig. 7 is the front perspective view of the interlock of Fig. 1, wherein, has shown the optional feature of this device;

-Fig. 8 is the stereogram of the parts group of Fig. 1, wherein, and second lid of visible interlock;

-Fig. 9 is the rear perspective view of the parts group of Fig. 1.

In the following description, term " height ", " low ", " right side ", " left side ", " on ", D score, " level ", " vertically ", " clockwise ", " counterclockwise " all with reference to as present and the observer of Fig. 1 of rotation definition never in any form.

Embodiment

Referring to Fig. 1, shown the parts group, it comprises: according to interlock 1 of the present invention, the first electric circuit breaker Sw-sx and the second electric circuit breaker Sw-dx.Under exemplary situation, circuit breaker is the multipole electric circuit breaker of molding outer casing, and it is intended to be installed in supporting member, for example, inserts band accordingly or fixing maybe can be fastened on the supporting bracket of distribution panelboard inside, in order to activate in the mode of mutual exclusion.For example, corresponding to two independent power supplys that are connected in parallel to load, one of them is main power source on Sw-sx and the Sw-dx electric equipment function, and another is accessory power supply, this accessory power supply is set in order to work in primary source failure or when breaking down.

The SW-sx circuit breaker comprises shell body 2, shell body 2 comprises antetheca 2a, is provided with control lever L-sx, a pair of

relative sidewall

2b, 2c, upper side 2d, the downside 2e for breaker operator and in use is intended to be connected to for example rear wall 2f (Fig. 9) of supporting bracket (not shown) at antetheca 2a.

Equally, the Sw-dx circuit breaker comprises shell body 3, shell body 3 comprises antetheca 3a, is furnished with the similar control lever L-dx of L-sx, a pair of

relative sidewall

3b, 3c, upper side 3d, downside 3e and is intended to be connected to for example rear wall 3f (Fig. 9) of supporting bracket (not shown) at antetheca 3a.

Specifically, control lever L-sx, the L-dx of circuit breaker Sw-sx, Sw-dx can be mobile independently between the first actuated position ON and the second rest position OFF, this first actuated position ON is corresponding to the closure state of circuit breaker, and this second rest position OFF is corresponding to the off-state of circuit breaker.

Referring to Fig. 6, interlock 1 comprises box-shaped main casing 4, its be intended to be folded in

shell body

2,3 under the operating conditions of device between opposed facing sidewall 2c and the 3b.Thereby interlock 1 is arranged between two circuit breaker Sw-sx, the Sw-dx.

The main casing 4 of device 1 comprises two relative sides (wherein, only can see in Fig. 6, represent with 5), and its difference operate ground is to sidewall 2c and the 3b of circuit breaker Sw-sx, Sw-dx.

Specifically, main casing 4 comprises box-shaped part 6 (Fig. 5) and protecgulum 7 (Fig. 6), and this protecgulum 7 for example removably is fastened to this box-shaped part by means of screw.In this case, preferably both are limited by box-shaped part 6 and protecgulum 7 (Fig. 6) in side 5.

Main casing 4 also has two

open communication

8,9, and wherein each

open communication

8,9 is all extended forward on protecgulum 7 tops and extended on each top, side of main casing 4.

Specifically, two open communication 8 of extending forward on protecgulum 7, each part of 9 are all from covering 7 edges towards the central vertical axis horizontal-extending of same lid 7.

Under exemplary situation, two

open communication

8,9 parts of extending in the side of main casing 4 have the shape of expansion substantially, this shape of expanding is substantially extended at corresponding wall, and specifically, respectively operate ground is to two openings preferably making according to the shape of two curved slot 10,11 (Fig. 1 and 3), and these two

curved slot

10,11 are separately positioned in the

shell body

2,3

sidewall

2c and 3b of circuit breaker Sw-sx, Sw-dx.Randomly, also be separately positioned on

housing

2,3 the

sidewall

2b and 3c with

groove

10,11 identical other two grooves, that is, in said embodiment not on the sidewall of interlock 1.

Referring to Fig. 1, device 1 comprises locking device, and under exemplary situation, this locking device is made up of rocking bar 12, this rocking bar 12 can rotate between first (left side) position, angle and second (right side) position, angle around the horizontal support pivot, and these positions, angle are different and are scheduled to.Specifically, this rocking bar comprises two

tooth

13a, 13b that are spaced apart from each other around supporting pivot angledly, and these two

tooth

13a, 13b comprise the first composition surface 14a and the second composition surface 14b (Fig. 7) respectively, and its function will be described below.

Device 1 also comprises the sub-control member, and it is made up of the first control pin, the 15 and second control pin 16 in current preferred implementation.Each

control pin

15,16 all can with the ON position of each control lever L-sx, L-dx, bottom operating position that the OFF position is associated and top operating position between mobile, and be fit to cooperation rocking bar 12 and be in the closure state to prevent circuit breaker Sw-Sx, Sw-dx both.

Specifically,

control pin

15,16 cooperates rocking bars 12, thus when first pin 15 is in the operating position of top (Fig. 2), rocking bar and therefore second pin 16 be in respectively in second jiao of position with the bottom operating position in.

On the other hand, when second pin 16 when being in the operating position of top (Fig. 1), rocking bar and therefore first pin 15 be in first jiao of position respectively and the bottom operating position in.

Specifically, the first control pin 15 is intended to rotatably be bonded to the corresponding rotary-actuated member of the shell body that is positioned at the first circuit breaker Sw-sx and the second circuit breaker Sw-dx or contacts reach 17a, 17b (Fig. 3 and 4) with second each that control in the pin 16.Rotatable actuation member carrying is used for switching the movably electrical pickoff of circuit breaker between closure state and off-state, and can work by control lever L-sx, L-dx respectively.

Be in the specific example of this imagination that

rotatable actuation member

17a, 17b are provided with

corresponding hole

17c, 17d, these

holes

17c, 17d are respectively towards wherein being fit to be equipped with

15,16 curved slot 10,11.Randomly, each rotatable actuation member all can comprise another hole, and the corresponding groove in two grooves that obtain alternatively is intended in this hole in

shell body

2,3

sidewall

2b, 3c.

In addition, what be suitable for noticing is that by means of

rotatable actuation member

17a, 17b, the first control pin 15 and second is controlled the bottom operating position of pin 16 and OFF position and the ON position that the top operating position corresponds respectively to control lever L-sx, L-dx.

According to execution mode, device 1 can comprise the positioner of rocking bar 12.In exemplary execution mode, specifically, the positioner of this rocking bar comprises spring 18 (Fig. 7), and this spring 18 is suitable for cooperating with

tooth

13a, 13b, so that when control lever L-sx, L-dx all are in the OFF position, make rocking bar be in default intermediate angular positions.This centre position of rocking bar is preferably placed in the middle for first placement of foot and second jiao of position.

According to execution mode, spring 18 also has the tooth 13b and second that may be present in that reduces when this pin 16 is in the operating position of top and controls the gap of selling between 16, and the function that may be present in the gap between tooth 13a and the first control pin 15 when this pin is in the operating position of top.

In the exemplary embodiment, specifically, spring 18 has two

elastic arms

19,20, and these two

elastic arms

19,20 are respectively by being arranged on two springs location in the main casing 4 and supporting

member

21,22 supports.

Specifically,

arm

19,20 is suitable for being bent upwards under the effect of two

tooth

13a, 13b respectively, thereby when rocking bar 12 is in first jiao of position (Fig. 1), make arm 20 store the maximum flexibility energy and arm 19 off-loads, and when rocking bar 12 is in second jiao of position (Fig. 2), the situation of these two arms is compared reversing with situation about describing before.

With reference to figure 8, device 1 comprises secondary protecgulum 23, this pair protecgulum 23 is intended to be connected in stacked mode the protecgulum 7 (Fig. 6) of main casing 4, thereby under the situation of the front portion that has open communication 8,9 (Fig. 6), cover the front portion of this open communication 8,9 (Fig. 6), and prevent from touching the screw for protecgulum 7 being connected to box-shaped part 6.In addition, each in protecgulum 7 and the secondary protecgulum 23 all has two relative eyelets (specifically, it is visible having only the eyelet 24 of protecgulum 7 among Fig. 6), and when two lids were stacked, eyelet alignd in twos.This wire that makes it possible to the protection closing device, for example to have lead sealing inserts and to pass the eyelet of every pair of alignment.

At last, for circuit breaker Sw-sx, Sw-dx on the main casing 4 of relative device 1 accurately locate interlock 1, be provided with centralising device, under exemplary situation, this centralising device is by means of obtaining from installing 1 main casing, 4 two outstanding tongue 25a, 25b.These centralising devices are particularly suitable for being bonded in the corresponding conjugation centralising device on the

shell body

2,3 that is separately positioned on circuit breaker Sw-sx, Sw-dx.

In exemplary execution mode, specifically, this conjugation centralising device is visible two

centering recess

25c, 25d among Fig. 9, or referring to the recess 25c among Fig. 3.Randomly, two other centering recess obtains the side relative with their sides illustrated in the accompanying drawings on the

shell body

2,3 of circuit breaker Sw-sx, Sw-dx respectively.

Parts group Sw-sx, Sw-dx, 1 installation will describe in this situation that specifically is intended to be fastened on by means of supporting bracket distribution panelboard inside with reference to this parts group hereinafter.This supporting bracket can for example be the inner panel that arranges in the distribution panelboard, maybe can be fastened on supporting bracket in the distribution panelboard, for example comprises the coupling arrangement that is connected to the DIN track.

At first, the main casing 4 with device 1 is fastened on the supporting bracket (not shown).

In case fastened main casing 4, just with first pin 15 by inserting curved slot 10, be connected to the first circuit breaker Sw-sx its part is assemblied in the hole 17c (Fig. 3) that is arranged on the rotatable actuation member 17a.

Control lever L-sx is in the OFF position, so that sell 15 be in the operating position of bottom after, the assembly that makes circuit breaker Sw-sx and pin 15 constitute slides with respect to device 1 side direction (direction of the arrow S among Fig. 6), thereby make the sidewall 2c of circuit breaker Sw-sx along the side slip of interlock main casing 4, and will sell 15 insertions simultaneously and pass the front portion of open communication 8.

In this, it should be noted that in the time of in being in the bottom operating position,

control pin

15,16 results are respectively towards

open communication

8,9 front portion.In fact, can guarantee that in this way circuit breaker installation and removal always finish under (OFF) state of disconnection.

In addition, it should be noted that when

control pin

15,16 was in the operating position of bottom, when having spring 18, spring 18 was suitable for cooperating with rocking bar 12 so that it reaches and maintains in the intermediate angular positions between first jiao of position and second jiao of position.Specifically, intermediate angular positions prevents that under the situation of

control pin

15,16 not rocking bar part from can adopt and

open communication

8,9 anterior corresponding position.Thus, spring 18 has promoted connecting of circuit breaker Sw-sx, Sw-dx and interlock 1, thereby in the time will controlling

15,16 and insert in the main casings 4, makes

open communication

8,9 front portion can not be subjected to any obstruction.

In case finish circuit breaker Sw-sx and device 1 connect, by cause from main casing 4 outwards outstanding centering tongue 25a (Fig. 9) be bonded on the corresponding conjugate pair on the shell body 2 that is arranged on circuit breaker Sw-sx among the recess 25c (Fig. 3), and will be with respect to accurate this circuit breaker of location of device 1.

At last, by means of for example screw circuit breaker Sw-sx is fastened to supporting bracket.

To be similar to as carry out the installation of circuit breaker Sw-dx at the described mounting means of circuit breaker Sw-sx, be used for circuit breaker Sw-sx is installed in the offside of main casing 4 for circuit breaker Sw-sx of device 1.Specifically, in this case, connecting by the first control pin and the second control pin 16 being inserted the hole 17d (Fig. 4) on the rotatable actuation member 17b that passes curved slot 11 and be arranged on circuit breaker Sw-dx between circuit breaker Sw-dx and the interlock, finish by the front portion that open communication 9 is passed in pin 16 insertions that will be attached to circuit breaker Sw-dx then.Then, circuit breaker Sw-dx realizes among the recess 25d by outstanding centering tongue 25b (Fig. 9) being bonded in the corresponding conjugate pair on the shell body 3 that is arranged on circuit breaker Sw-dx with the relative positioning between the device 1.

At last, secondary protecgulum 23 is connected to the protecgulum 7 of main casing 4.

Device 1 operation is as follows.

Suppose device 1 is in the structure among Fig. 1 at first, wherein, considers protecgulum 7 is connected to box-shaped part 6, and control member L-sx, L-dx are in respectively in OFF position and the ON position.

In this structure, the rotatable actuation member 17b of circuit breaker Sw-dx is locked in a manner known way, so that the second control pin 16 is locked in the operating position of top equally.

When control lever Sw-sx moves to the ON position from the OFF position, work in the supporting relation of the first control pin 15 on the composition surface 14a of the tooth 13a that is resisted against rocking bar 12 (Fig. 7), so that rocking bar 12 turns clockwise.

Yet, this turning clockwise hindered by the second control pin 16, this second control pin 16 serves as the abutting member that is resisted against on the second composition surface 14b that belongs to rocking bar tooth 13b, thereby the first control pin 15 is locked in the operating position of bottom, and thereby control lever L-sx is remained locked in the OFF position.

For the rotatable actuation member 17b that makes circuit breaker Sw-dx unlocks, just must change to the OFF position from the ON position by making control lever L-dx, for example manually control lever L-dx is worked.

The motion of control lever L-dx makes the second control pin 16 move to the bottom operating position from the top operating position by means of rotatable actuation member 17b.

Specifically, the sidepiece that pin 16 moves through curved slot 11 and open communication 9, under exemplary situation, the sidepiece of this curved slot 11 and open communication 9 is for example followed the curved path corresponding to circular arc.

Based on situation about above having described, in case it should be understood that control lever L-dx is moved to the OFF position, just the turning clockwise no longer and control pin 16 antagonism mutually of rocking bar 12.

Therefore, rotatable actuation member 17a that can be by activating circuit breaker Sw-sx and thus actuation control pin 15 make control lever L-sx move to the ON position from the OFF position.

Specifically, in case move through the sidepiece of curved slot 10 and open communication 8, control pin 15 just moves to the top operating position from the bottom operating position, rocking bar is turned clockwise arrive second jiao of position (Fig. 2) up to it.

Start from back one structure, move to the ON position for making control lever L-dx from the OFF position, must carry out in the mode opposite with aforesaid way.

Specifically, in this case, to broadcast bar 12 and be rotated counterclockwise in order to make, must move to the OFF position from the ON position by the control lever L-sx that makes circuit breaker Sw-sx and it is worked.Thus, in fact, rotatable actuation member 17a is unlocked, and therefore, the first control pin 15 that moves to the bottom operating position from the top operating position is unlocked.

All be in the such structure in the OFF position in case realized control lever L-sx, the L-dx of circuit breaker, therefore just might make control lever L-dx move to the ON position.During this moves, specifically, the second control pin 16 moves to the top operating position from the bottom operating position, works in the supporting relation on being resisted against the composition surface 14b of tooth 13b simultaneously, in order to rocking bar is rotated counterclockwise, arrive first jiao of position (Fig. 1) up to it.

It should be understood that imagination carries out modification and/or interpolation for the above-mentioned scheme of having described and having illustrated.

In another embodiment of the present invention, be arranged on the shell body 2 of circuit breaker Sw-sx, Sw-dx, the

opening

10,11 on 3 sidewall 2c, the 3b is not curved slot, but linear incision for example.

According to another embodiment of the present invention, each open communication 8 of the main casing 4 of

device

1,9 can only be extended in the respective side of main casing 4.

At last, according to another embodiment of the present invention, locking device can be different from rocking bar 12, comprise for example be suitable for the irrotational motion by realizing translational motion and with

control pin

15,16 members that cooperate.

At last, be suitable for being pointed out that according to a further aspect in the invention, provide a kind of molding outer casing multipole circuit breaker Sw-sx, it comprises:

-shell body 2, it comprises antetheca 2a, and this antetheca 2a is provided with can be between actuated position ON and rest position OFF mobile master control member L-sx, a pair of

relative sidewall

2b, 2c, upper side 2d, downside 2e and is intended to be connected to the rear wall 2f of supporting member;

-opening 10, it is arranged at least one of

relative sidewall

2b, 2c of shell body 2; And

-rotatable actuation member 17a, it is arranged in inside and carries electrical pickoff with respect to shell body 2, be used between closure state and off-state, switching circuit breaker, wherein, this rotatable actuation member comprises at least one hole 17c, the opening 10 on its at least one in relative sidewall 2b, the 2c that are arranged on shell body 2.

Specifically, according to the execution mode of the multipole electric circuit breaker of molding outer casing, can be arranged on the opening 10 at least one among relative sidewall 2b, the 2c of shell body 2 of circuit breaker according to the shape manufacturing of curved slot.

According to another execution mode of the multipole electric circuit breaker of molding outer casing, it can comprise at least one the centering recess 25c on the corresponding shell body 2.

At last, according to another execution mode of the multipole electric circuit breaker of molding outer casing, it can be suitable for being coupled to the device different with interlock according to the present invention, for example, and outside aftercurrent protected location.This aftercurrent protected location is placed on the sidewall 2b of molded case circuit breaker, the next door of 2c.Specifically, the connection of outside aftercurrent protected location can realize by the coupling arrangement that is intended to pass the opening 10 on the shell body 2 that is arranged on circuit breaker Sw-sx, in order to cooperate with hole 17c on being arranged on rotatable actuation member 17a.It should be noted that this coupling arrangement between circuit breaker and the aftercurrent protected location can be by realizing with the pin of

control pin

15,16 all fours.Thus, the aftercurrent protected location can by means of this pin after intervening the aftercurrent protected location by directly acting directly on the automatic disconnection that rotatable actuation member 17a operates multipole circuit breaker via

15,16.

Consider above illustrated such, just can understand interlock according to the present invention thus is how to solve the above-mentioned shortcoming relevant with the prior art field.

Specifically, the side arrangement of interlock and utilize ability that each circuit breaker side direction works to make it possible to avoid the shortcoming of " front portion " and " rear portion " interlock, thereby can obtain to be suitable for receiving the parts group of any utility, and anterior utility, this front portion utility is applicable to the gauge that reduces distribution panelboard inside, and all is simple relatively from the angle of employed parts and operation thereof.

Principle of the present invention is appreciated that, can be with respect to only via the description of carrying out with non-limiting example and explanation execution mode and implementation detail being made very big change in this, and can therefore not break away from as the scope of the present invention defined in the claims.

Claims

1. an interlock (1), described interlock (1) prevents that first electric circuit breaker (Sw-sx) and second electric circuit breaker (Sw-dx) both are in closure state, each in described first electric circuit breaker and described second electric circuit breaker includes:

-shell body (2,3); And

-the first master control member (L-sx) and the second master control member (L-dx), the described first master control member (L-sx) and the described second master control member (L-dx) lay respectively on the antetheca (2a, 3a) of described shell body, and can be respectively mobile between the rest position (OFF) of described first electric circuit breaker and described second electric circuit breaker and actuated position (ON);

Described interlock (1) is intended to be interposed between the sidewall of facing mutually (2c, 3b) of housing of the housing that belongs to described first electric circuit breaker (Sw-sx) respectively and described second electric circuit breaker (Sw-dx), and comprises:

-the first sub-control member (15) and the second sub-control member (16), the described first sub-control member (15) and the described second sub-control member (16) can move between first operating position and second operating position, the described first sub-control member and the described second sub-control member are suitable for operatively being associated with respectively the described first master control member (L-sx) and the described second master control member (L-dx), thereby make described first operating position and described second operating position correspond respectively to described rest position and the described actuated position of the described first and second master control members; With

-locking device (12), described locking device (12) can optionally be locked in the described first sub-control member and the described second sub-control member in described first operating position when described interlock is interposed between described first electric circuit breaker and described second electric circuit breaker;

The described first sub-control member (15) and the described second sub-control member (16) are suitable for operatively moving through the corresponding opening (10,11) of described first electric circuit breaker (Sw-sx) and the described sidewall of facing mutually (2c, 3b) of described second electric circuit breaker (Sw-dx);

Described interlock (1) is characterised in that, described locking device comprises rocking bar (12), described rocking bar (12) can rotate between first jiao of position and second jiao of position around default rotation, described first jiao of position is different with described second jiao of position and is predetermined, and, described interlock (1) comprises the positioner (18) of rocking bar (12), described positioner (18) comprises spring (18), described spring (18) is suitable for cooperating with described rocking bar (12), so that when the described first sub-control member (15) and the described second sub-control member (16) are in described first operating position, described rocking bar (12) is reached and remain in the intermediate angular positions between described first jiao of position and described second jiao of position.

2. interlock as claimed in claim 1 (1), wherein, described rocking bar (12) comprises first composition surface (14a) and second composition surface (14b), makes

When described rocking bar (12) was in described first jiao of position, the described first sub-control member (15) was suitable for connecting with described first composition surface (14a) and the described second sub-control member (16) respectively with described second composition surface (14b), and

When described rocking bar (12) was in described second jiao of position, the described second sub-control member (16) and described first composition surface (14a) were suitable for connecting with described second composition surface (14b) and the described first sub-control member (15) respectively.

3. interlock as claimed in claim 2 (1), wherein

When described rocking bar (12) is in described first jiao of position, the described first sub-control member (15) is in described first operating position, the described second sub-control member (16) can move between described first operating position and described second operating position simultaneously, and

When described rocking bar (12) is in described second jiao of position, the described second sub-control member (16) is in described first operating position, and the described first sub-control member (15) can move between described first operating position and described second operating position simultaneously.

4. as claim 2 or 3 described interlocks (1), wherein, described first composition surface (14a) and described second composition surface (14b) belong to first tooth (13a) and second tooth (13b) of described rocking bar (12) respectively, and described first tooth and described second tooth are spaced from each other around described default rotation angledly.

5. interlock as claimed in claim 1 (1), wherein, the default rotation of described rocking bar (12) is level.

6. interlock as claimed in claim 1 (1), comprise main casing (4), described main casing (4) comprises two open communication (8,9), and the described first sub-control member (15) and the described second sub-control member (16) can operatively move through described two open communication (8,9) respectively.

7. interlock as claimed in claim 6, wherein, described main casing (4) comprises box-shaped part (6) and the protecgulum (7) that is connected to described box-shaped part (6) in mode removably, and each described open communication (8,9) is all extended on ground, described protecgulum (7) top and is divided ground to extend in the corresponding side wall upper part of described main casing (4); The sidepiece of described open communication (8,9) and front portion be intended to operate mobile respectively so that make the described first sub-control member (15) and the described second sub-control member (16) continuous with described main casing (4)/disconnection is connected.

8. interlock as claimed in claim 7 (1), wherein, each in the described first sub-control member (15) and the described second sub-control member (16) all causes when it is in described first operating position front portion towards corresponding described open communication (8,9).

9. interlock as claimed in claim 7 (1), wherein, described intermediate angular positions prevent part at described rocking bar under the situation that does not have the described first sub-control member and the described second sub-control member can adopt be arranged on described main casing (4) on the anterior corresponding position of described open communication (8,9).

10. interlock as claimed in claim 9 (1), wherein, the intermediate angular positions of described rocking bar (12) is placed in the middle between described first jiao of position and described second jiao of position.

11. interlock as claimed in claim 9 (1), wherein, the positioner (18) of described rocking bar (12) is suitable for cooperating with described rocking bar (12), first composition surface (14a) of the described rocking bar when being in described second operating position respectively to reduce the described first sub-control member (15) and the described second sub-control member (16) and second composition surface (14b) of the gap between the described first sub-control member (15) and described rocking bar and the gap between the described second sub-control member (16).

12. interlock as claimed in claim 9 (1), wherein, described rocking bar (12) comprises first tooth (13a) and second tooth (13b), described first tooth (13a) is spaced from each other around described default rotation with described second tooth (13b) angledly, described spring comprises and being suitable for respectively by described first tooth (13a) and crooked the first arm (19) and second arm (20) of described second tooth (13b), when described rocking bar was in described second jiao of position and the described first jiao of position respectively, described the first arm and described second arm stored maximum elastic energy.

13. interlock as claimed in claim 1 (1), comprise centralising device (25a, 25b), described centralising device (25a, 25b) is suitable for cooperating with described first electric circuit breaker (Sw-sx) and described second electric circuit breaker (Sw-dx), accurately to locate described interlock with respect to described first electric circuit breaker (Sw-sx) and described second electric circuit breaker (Sw-dx).

14. interlock as claimed in claim 13 (1), wherein, described centralising device (25a, 25b) is the tongue that the main casing (4) with respect to described interlock is outwards given prominence to.

15. interlock as claimed in claim 1 (1) wherein, is followed curved path when the described first sub-control member (15) and the described second sub-control member (16) move between described first operating position and described second operating position.

A 16. parts group (1, Sw-sx, Sw-dx), comprise first electric circuit breaker (Sw-sx), second electric circuit breaker (Sw-dx) and as the described interlock of arbitrary aforementioned claim (1), described interlock (1) is suitable for preventing that described first electric circuit breaker and the described second electric circuit breaker both are in the closure state.

17. parts group as claimed in claim 16 (1, Sw-sx, Sw-dx), wherein, described first electric circuit breaker (Sw-sx) and described second electric circuit breaker (Sw-dx) comprise opening (10,11), and described opening (10,11) is on the sidewall of facing mutually (2c, 3b) of each shell body (2,3) at least; Described interlock (1) is sandwiched between between the described sidewall of facing mutually (1), and the described first sub-control member (15) of described interlock and the second sub-control member (16) can be operatively described opening (10,11) by the described sidewall of facing mutually (2c, 3b).

18. parts group as claimed in claim 17 (1, Sw-sx, Sw-dx), wherein, the described opening (10,11) of the sidewall of facing mutually (2c, 3b) of the shell body (2,3) of described first electric circuit breaker (Sw-sx) and described second electric circuit breaker (Sw-dx) is two curved slot.