CN102486980A - Multipole circuit disconnector - Google Patents
Multipole circuit disconnector Download PDFInfo
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- CN102486980A CN102486980A CN2011102044903A CN201110204490A CN102486980A CN 102486980 A CN102486980 A CN 102486980A CN 2011102044903 A CN2011102044903 A CN 2011102044903A CN 201110204490 A CN201110204490 A CN 201110204490A CN 102486980 A CN102486980 A CN 102486980A
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- connecting rod
- circuit breaker
- pole circuit
- operating grip
- handle
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Abstract
The invention relates to a multipole circuit disconnector capable of locking an operation handle without additionally arranging parts. A handle locking device comprises a connection rod disposed among a plurality of operation handles, and can be used to limit the operation handles and can move with respect to the operation handles. A first fixing retaining unit is fixedly connected with the connection rod. A second fixing retaining unit is disposed on a housing of a multipole circuit disconnector, and can be clamped with the first fixing retaining unit. When the first and the second fixing retaining units are in an unclamped state, the connection rod can be moved towards the required direction, thereby the first and the second fixing retaining unit can be clamped together, and a plurality of operation handles can be locked. When the first and the second fixing retaining unit are in a clamped state, the connection rod can be moved towards the opposite direction, thereby the clamped state of the first and the second fixing retaining unit can be removed, and then the operation handles can be unlocked.
Description
Technical field
The present invention relates to a kind of multi-pole circuit breaker that a plurality of single-pole circuit breakers bindings are constituted, particularly its operating grip locking (handle-lock) device.
Background technology
Current; In the multi-pole circuit breaker that the multipole arrangement of a plurality of single-pole circuit breakers is constituted, has the operating grip locking system; Utilize connecting pin (pin) and connecting rod (bar) to link between its operating grip with each one pole circuit-breaker of being arranged; Utilization is arranged on recess and the locking between the connecting rod (lock) of operating grip with anchor clamps (clip); Prevent accidentally circuit-breaker to be switched to connection (on) state or switches to off-state (for example, with reference to patent documentation 1) from on-state from breaking off (off) state.
Patent documentation 1: japanese kokai publication hei 5-20996 communique
Summary of the invention
In multi-pole circuit breaker with the existing operating grip locking system that constitutes as stated; For with the operating grip locking; Except connecting pin and the connecting rod; Also need locking to use anchor clamps, extra needs are used to constitute the parts that append of operating grip locking system outside multi-pole circuit breaker.
The present invention proposes in order to solve the above-mentioned problem in the existing multi-pole circuit breaker, and its purpose is, obtains a kind of multi-pole circuit breaker, and it needn't be provided with the necessary parts that append of existing apparatus, just can be with the operating grip locking.
Multi-pole circuit breaker involved in the present invention has the handle lock locking apparatus with a plurality of operating grip lockings that are set up in parallel; It is characterized in that; Said handle lock locking apparatus has: connecting rod; It is arranged between said a plurality of operating grip, these operating grips is retrained integratedly, and constitute and can move with respect to said operating grip; The 1st fixing holding unit, it is fixed on the said connecting rod; And the 2nd fixing holding unit; It is arranged on the housing of said multi-pole circuit breaker; Can with the said the 1st fixedly holding unit engage, the said the 1st fixedly holding unit and the said the 2nd move to prescribed direction through making said connecting rod when fixedly holding unit is in non-fastening state; Thereby make the said the 1st fixedly fixedly holding unit engaging of holding unit and the said the 2nd; With said a plurality of operating grip lockings, the said the 1st fixedly holding unit and the said the 2nd move to the direction opposite through making said connecting rod when fixedly holding unit is in fastening state with said prescribed direction; Thereby, the locking of said a plurality of operating grips is removed the said the 1st fixedly fixedly releasing of the engaging between the holding unit of holding unit and the said the 2nd.
The effect of invention
According to multi-pole circuit breaker involved in the present invention; Because the handle lock locking apparatus constitutes, and has: connecting rod, it is arranged between said a plurality of operating grip; These operating grips are retrained integratedly, and constitute and to move with respect to said operating grip; The 1st fixing holding unit, it is fixed on the said connecting rod; And the 2nd fixing holding unit; It is arranged on the housing of said multi-pole circuit breaker, can with the said the 1st fixedly holding unit engage, at the said the 1st fixing holding unit and the said the 2nd when fixedly holding unit is in non-fastening state; Through said connecting rod is moved to prescribed direction; Thereby make the said the 1st fixedly fixedly holding unit engaging of holding unit and the said the 2nd, with said a plurality of operating grip lockings, at the said the 1st fixing holding unit and the said the 2nd when fixedly holding unit is in fastening state; Through said connecting rod is moved to the direction opposite with said prescribed direction; Thereby with the said the 1st fixedly holding unit and the said the 2nd fixedly the engaging between the holding unit remove, the locking of said a plurality of operating grips is removed, thus need not to be provided with append parts just can be with the operating grip locking.
Description of drawings
Fig. 1 is an oblique view of representing the multi-pole circuit breaker that execution mode of the present invention 1 is related at the state that the handle locking is removed down.
Fig. 2 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 1.
Fig. 3 is a profile of wanting portion of representing the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 1 at the state that the handle locking is removed down.
Fig. 4 is the oblique view of the related multi-pole circuit breaker of expression execution mode of the present invention 1 under the state of handle locking.
Fig. 5 is the profile of wanting portion of the handle lock locking apparatus in the related multi-pole circuit breaker of expression execution mode of the present invention 1 under the state of handle locking.
Fig. 6 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 2.
Fig. 7 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 3.
Fig. 8 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 4.
Embodiment
Fig. 1 is the state oblique view of the related multi-pole circuit breaker of expression execution mode of the present invention 1 down before the handle locking, and (a) the expression operating grip is positioned at the state of open position, representes that (b) operating grip is positioned at the state of on-position.Fig. 2 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 1.Fig. 3 is the profile of wanting portion that the state before the handle locking is represented the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 1 down.
In Fig. 1 to Fig. 3, multi-pole circuit breaker 100 is to constitute through 2 one pole circuit-breakers 101,102 side surface part separately being adjacent to, they being made up integratedly.Each one pole circuit-breaker 101,102 has in its Shell of circuit breaker 1: fixed contact; Movable contact, it has the moving contact that contacts or separate with this fixed contact; Switching mechanism, its driving movable contact, each one pole circuit-breaker 101,102 also has operating grip 20, and it is used for from the outside of Shell of circuit breaker (case) 1 switching mechanism being carried out manual operation.In addition, in the accompanying drawings, for fear of complicated, for the same formation position of each one pole circuit-breaker 101,102, only to the formation position numbered of an one pole circuit-breaker.
Be arranged on the handle lock locking apparatus on the multi-pole circuit breaker 100; Operating grip 20, connecting pin 40, connecting rod 30 by separately constitute, and wherein operating grip 20 has the handle portion 21 via the peristome 1a protrusion of the Shell of circuit breaker 1 of one pole circuit-breaker 101,102 separately.
The handle portion 21 of operating grip 20 has respectively in its both sides facial opening and is arranged on the 1st handle hole 21a1 and the 2nd handle hole 21a2 on the same axis.Above-mentioned handle hole 21a1,21a2 form as bottom outlet is arranged respectively.Connecting rod 30 has: a pair of connect apertures 31a1 of portion, 31a2, and its section forms the substantially elliptical shape; And narrow 31b, it links the above-mentioned connect apertures 31a1 of portion, 31a2 each other.This a pair of connect apertures 31a1 of portion, 31a2 and narrow 31b constitute connect apertures.In addition, integrally formed the 1st fixedly maintaining part, the i.e. fixing protuberance 32 that keeps in following side in the figure of connecting rod 30 with notch 33.Of the back, fixing maintenance protuberance 32 is the parts that are used for locking operating grip 20, and notch 33 is the parts that are used for the locking releasing of operating grip 20.
Connecting pin 40 forms section and the said a pair of connect apertures 31a1 of portion, the roughly consistent elliptical shape of 31a2 section shape separately.This connecting pin 40 runs through a 31a2 of connect apertures portion who is provided with on the connecting rod 30; Among chimeric the 1st handle hole 21a1 that is inserted on the handle portion 21 that is formed on an one pole circuit-breaker 102 of one of which end, in chimeric the 1st handle hole that is inserted on the handle portion that is formed on another one pole circuit-breaker 101 of the other end.Connecting pin 40 utilizes the bottom of each handle hole 21a1 that its both ends insert and moving on the limit axial prevents to come off from connecting rod 30.
In addition, connecting pin 40 is of the back, can begin from the state being inserted into the 31a2 of connect apertures portion, in narrow 31b, slides (slide), in the 31a1 of connect apertures portion, moves.In addition, on the contrary, can begin, in narrow 31b, slide, in the 31a2 of connect apertures portion, move from the state being inserted into the 31a1 of connect apertures portion.In addition, as stated, the section shape of connecting pin 40 and the 31a1 of connect apertures portion, 31a2 forms elliptical shape, prevents that connecting rod 30 from being that rotate at the center with connecting pin 40.
On the Shell of circuit breaker 1 of each one pole circuit-breaker 101,102; Be formed for making a pair of 2 grades fixedly maintaining part of the fixedly maintenance protuberance 32 chimeric insertions of connecting rod 30, i.e. fixing recess 10a1, the 10a2 of keeping; On the relative position of one fixing fixedly maintenance protuberance when keeping recess 10a1 shown in Fig. 1 (a), to be formed on operating grip 20 being positioned at open position and connecting rod 30 32, on the relative position of another is fixing fixedly maintenance protuberance when keeping recess 10a2 shown in Fig. 1 (b), to be formed on operating grip 20 being positioned at on-position and connecting rod 30 32.
The multi-pole circuit breaker 100 that Fig. 1, execution mode of the present invention shown in Figure 31 are related illustrates the state before the handle locking as stated.Under this state, connecting pin 40 is in a 31a1 of connect apertures portion of the connecting rod 30 of handle lock locking apparatus, and its both ends are chimeric to be inserted among the handle hole 21a1 of handle portion 21 of each operating grip 20.Its result, the fixedly maintenance protuberance 32 of connecting rod 30 lifts with respect to a pair of fixedly maintenance recess 10a1,10a2 top in figure, be arranged in can't with fixing any chimeric position that keeps recess 10a1,10a2.
Thus; Through operation handlebar hand 21 manually; Can make operating grip 20 move to the on-position shown in (b) from the open position shown in Fig. 1 (a); Multi-pole circuit breaker 100 is connected, perhaps can be moved to the open position shown in (a), multi-pole circuit breaker 100 is broken off from the on-position shown in Fig. 1 (b).
Below, the situation of the handle locking that carries out multi-pole circuit breaker 100 is described.Fig. 4 is the oblique view of the related multi-pole circuit breaker of expression execution mode of the present invention 1 under the state of handle locking, and (a) the expression operating grip is positioned at the state of open position, and (b) the expression operating grip is positioned at the state of on-position.Fig. 5 is the profile of wanting portion of the handle lock locking apparatus in the related multi-pole circuit breaker of expression execution mode of the present invention 1 under the state of handle locking; (a) the expression operating grip is positioned at the state of open position, and (b) the expression operating grip is positioned at the state of on-position.
Be positioned at the operating grip 20 shown in Fig. 1 (a) under the situation of implementing the handle locking under the state of open position; The connecting rod 30 that will be arranged in the position of said Fig. 1 (a) is pressed to the figure below, and connecting pin 40 is moved in the 31a1 of connect apertures portion through narrow 31b in the 31a2 of connect apertures portion of connecting rod 30.Thus, connecting rod 30 is slid underneath in figure, and it is fixing to keep among the chimeric fixedly maintenance recess 10a1 that is inserted into Shell of circuit breaker 1 of protuberance 32.Its result, operating grip 20 is carried out the handle locking at the open position place, can't move to on-position.That is, this state is shown in Fig. 4 (a) and Fig. 5 (a).
Be positioned at the operating grip 20 shown in Fig. 1 (b) under the situation of implementing the handle locking under the state of on-position; The connecting rod 30 that will be arranged in the position of said Fig. 1 (b) is pressed to the figure below, and connecting pin 40 is moved in the 31a1 of connect apertures portion through narrow 31b in the 31a2 of connect apertures portion of connecting rod 30.Thus, connecting rod 30 is slid underneath in figure, and it is fixing to keep among the chimeric fixedly maintenance recess 10a2 that is inserted into Shell of circuit breaker 1 of protuberance 32.Its result, operating grip 20 is carried out the handle locking at the on-position place, can't move to open position.That is, this state is shown in Fig. 4 (b) and Fig. 5 (b).
In addition; Operating grip 20 is moved to on-position from the state that is positioned at open position; Make multi-pole circuit breaker 100 under the situation of carrying out handle lock after disconnection becomes on-state and ending; And operating grip 20 is moved to open position from the state that is positioned at on-position, make multi-pole circuit breaker 100 under the situation of carrying out handle lock after connection becomes off-state and ending, through making operating grip 20 after move said each position; At each position and the aforementioned lower connecting rod 30 of pressing identically, thereby carry out the handle locking.
Below, explain from the state of Fig. 4 and handle locking shown in Figure 5, like Fig. 1 and the situation that the handle locking is removed shown in Figure 3.In the case, carry out and carry out the opposite operation of situation of handle locking from said handle locking disarm state.Promptly; In the notch 33 of connecting rod 30, insert the leading section of straight screwdriver (minus screw-driver) etc.; Fig. 4 and the connecting rod that is arranged in the handle lock position 30 shown in Figure 5 are lifted to the figure top, connecting pin 40 is moved in the 31a2 of connect apertures portion through narrow 31b in the 31a1 of connect apertures portion of connecting rod 30.Thus, slide in connecting rod 30 top in figure, and its fixing protuberance 32 and fixedly maintenance recess 10a2 or 10a1 of Shell of circuit breaker 1 of keeping breaks away from.Its result, operating grip 20 is connecting or disconnecting position releasing handle locking.
Carried out the handle locking for multi-pole circuit breaker 100 by the handle lock locking apparatus and still removed handle lock and end this point, can whether be positioned on the same plane according to the upper surface of connecting rod 30 and judge with the upper surface of the handle portion 21 of operating grip 20.Promptly; If be in the state of handle locking, then like Fig. 4 and shown in Figure 5, the upper surface of connecting rod 30 is positioned at the below with respect to the upper surface of handle portion 21; Both are not positioned on the same plane; If but the handle locking is disengaged, then the upper surface of the upper surface of connecting rod 30 and handle portion 21 is positioned on the same plane, therefore can judge whether by the handle locking.
As stated, 1 related multi-pole circuit breaker need not append parts according to the embodiment of the present invention, can utilize the operating grip 20 of simple structural constraint circuit-breaker.In addition, form the measure-alike size with the thickness direction of the handle portion 21 of operating grip 20 through size with the thickness direction of connecting rod 30, thus can be so that the compact appearance when circuit-breaker linked.And, because only can be with the operating grip locking through connecting rod 30 is just slided, thus need be shown in existing apparatus be used for cover with the operating grip locking of each one pole circuit-breaker.
Below, the multi-pole circuit breaker that execution mode of the present invention 2 is related is described.In execution mode 1; In connecting rod 30; Have a pair of connect apertures 31a1 of portion, 31a2 that section forms the substantially elliptical shape and utilizes narrow 31b to link each other; But in execution mode 2, in the handle portion of operating grip 20, a pair of handle hole portion that forms section and be the substantially elliptical shape and utilize that narrow links each other.
Fig. 6 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 2.In Fig. 6, in the handle portion 21 of operating grip 20, be respectively arranged with: section forms a pair of handle hole 21a11 of portion, the 21a12 of substantially elliptical and the narrow 21b1 that the above-mentioned handle hole 21a11 of portion, 21a12 are linked each other; And section forms a pair of handle hole 21a21 of portion, the 21a22 of substantially elliptical shape and the narrow 21b2 that the above-mentioned handle hole 21a21 of portion, 21a22 are linked each other.The a pair of handle hole 21a11 of portion, 21a12 and narrow 21b1 constitute the 1st handle hole.In addition, a pair of handle hole 21a21 of portion, 21a22 and narrow 21b2 constitute the 2nd handle hole.
Constitute the 21a11 of handle hole portion, 21a12 and the narrow 21b1 of the 1st handle hole a side surface part opening, constitute the 21a21 of handle hole portion, 21a22 and the narrow 21b2 of the 2nd handle hole another side surface part opening at handle portion 21 at handle portion 21.The above-mentioned handle hole 21a11 of portion, 21a12, narrow 21b1 and the 21a21 of handle hole portion, 21a22, narrow 21b2 form as bottom outlet is arranged respectively.
Connecting rod 30 has the connect apertures 31 that section shape forms substantially elliptical.This connect apertures 31 is through to another side surface part and is provided with from a side surface part of connecting rod 30.Connecting pin 40 forms section and the roughly consistent elliptical shape of the section shape of said connect apertures 31.This connecting pin 40 is applied in the connect apertures 31 that is provided with on the connecting rod 30; Among the 21a11 of handle hole portion or 21a12 in chimeric the 1st handle hole that is inserted on the handle portion 21 that is formed on an one pole circuit-breaker 102 of one of which end, in the handle hole portion in chimeric the 1st handle hole that is inserted on the handle portion that is formed on another one pole circuit-breaker 101 of the other end.Connecting pin 40 utilizes the bottom of each the 1st handle hole that its both ends insert, and moving on the limit axial prevents to come off from connecting rod 30.Other structure is identical with execution mode 1.
The multi-pole circuit breaker that execution mode of the present invention 2 is related; The identical ground of situation with execution mode 1; Can press and become the state that handle lock is ended through being in connecting rod 30 under the handle locking disarm state; In addition, lift and become handle lock and end disarm state through being in connecting rod 30 under the handle lockup state.Be positioned under the situation of on-position at the operating grip 20 of multi-pole circuit breaker 100 or be positioned under the situation of open position, the operation that handle locking and handle locking are removed is identical with the situation of said execution mode 1.
But; Under the situation of execution mode 2; Be with the difference of the situation of execution mode 1; Be accompanied by pressing or lifting of connecting rod 30, connecting pin 40 slides into the 21a12 of another handle hole portion via the 21a11 of handle hole portion of narrow 21b1 from the 1st handle hole of the handle portion 21 of operating grip 20, perhaps slides into a 21a11 of handle hole portion via narrow 21b1 from the 21a12 of another handle hole portion.
Carried out the handle locking for multi-pole circuit breaker 100 by the handle lock locking apparatus and only still removed handle lock; Whether identical ground with the situation of execution mode 1, upper surface that can be through connecting rod 30 are positioned on the same plane with the upper surface of the handle portion 21 of operating grip 20 judges.Promptly; If be in the state of handle locking; Then be positioned at the below like the upper surface of Fig. 4 and connecting rod shown in Figure 5 30 with respect to the upper surface of handle portion 21, both are not positioned on the same plane, if but the handle locking is removed; Then the upper surface of the upper surface of connecting rod 30 and handle portion 21 is positioned on the same plane, can judge whether by the handle locking thus.
As stated, 2 related multi-pole circuit breakers need not append parts according to the embodiment of the present invention, can utilize the operating grip 20 of simple structural constraint circuit-breaker.In addition, form the measure-alike size with the thickness direction of the handle portion 21 of operating grip 20 through size with the thickness direction of connecting rod 30, thus can be so that the compact appearance when circuit-breaker linked.And, because only can be with the operating grip locking through connecting rod 30 is just slided, thus need be shown in existing apparatus be used for cover with the operating grip locking of each one pole circuit-breaker.
Below, the multi-pole circuit breaker that execution mode of the present invention 3 is related is described.In the multi-pole circuit breaker of execution mode 1 and 2; The section of connecting pin 40 is formed long hole shape; Not make connecting rod 30 rotations; But in this execution mode 3, the section of connecting pin 40 is formed the processability toroidal better than long hole shape, and prevent the rotation of connecting rod 30 in order to suppress cost.
Fig. 7 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 3.In Fig. 7, the section of connecting pin 40 forms circle.Connecting rod 30 has that section forms a pair of connect apertures 31a1 of portion, 31a2 of toroidal and with the above-mentioned connect apertures 31a1 of portion, 31a2 narrow 31b connected to one another.This a pair of connect apertures 31a1 of portion, 31a2 and narrow 31b constitute connect apertures.In addition, be formed with in the both side ends of connecting rod 30: a pair of spline lug boss 34a1,34a2, it constitutes the 1st spline protuberance; And a pair of spline lug boss 34b1,34b2, it constitutes the 2nd spline protuberance.
Both side ends at the handle portion 21 of operating grip 20 is formed with: a pair of rotation stopper recess 21c1,21c2, and it constitutes the 1st rotation stopper recess; And a pair of rotation stopper recess 21b1 (not shown), 21b2, it constitutes the 2nd rotation stopper recess.Constitute a pair of rotation stopper recess 21c1, the 21c2 of the 1st rotation stopper recess, engage slidably with a pair of spline lug boss 34b1, the 34b2 of formation the 2nd spline protuberance of connecting rod 30 respectively.And the size of the length direction of each rotation stopper recess 21c1,21c2,21b1,21b2 forms, and can realize that connecting rod 30 is when said handle locking or the size of the slip of handle locking when removing.
The handle portion 21 of operating grip 20 ground identical with the situation of execution mode 1 has the 1st handle hole 21a1 and the 2nd handle hole 21a2, and they are the facial opening and being arranged on the same axis in the both sides of handle portion 21 respectively.Above-mentioned handle hole 21a1,21a2 form as bottom outlet is arranged respectively.
The a pair of spline lug boss 34a1 of formation the 1st spline protuberance of connecting rod 30,34a2 engage with a pair of rotation stopper recess of formation the 1st rotation stopper recess of the handle portion of single-pole circuit breaker 101 respectively, and a pair of spline lug boss 34b1,34b2 that constitutes the 2nd spline protuberance engages with a pair of rotation stopper recess 21c1, the 21c2 of formation the 1st rotation stopper recess of the handle portion 21 of single-pole circuit breaker 102 respectively.Thus, prevent that connecting rod 30 from being that rotate at the center with connecting pin 40.Other structure and action are identical with the situation of execution mode 1.
The multi-pole circuit breaker related according to the execution mode of the present invention that constitutes as stated 3 for connecting rod 30 and operating grip 20, need not append parts, can utilize the operating grip 20 of simple structural constraint circuit-breaker.In addition, through connecting pin 40 being formed the processability toroidal better, thereby can obtain cheap handle lock locking apparatus than long hole shape.And, form the size identical through making connecting rod 30 with the outline of operating grip, thus can be so that the compact appearance when circuit-breaker linked.In addition, owing to only utilize connecting rod 30 just can carry out the handle locking, so do not need independent locking cover.
Below, the multi-pole circuit breaker that execution mode of the present invention 4 is related is described.Fig. 8 is the exploded perspective view of the handle lock locking apparatus in the related multi-pole circuit breaker of execution mode of the present invention 4.In Fig. 8, in the handle portion 21 of operating grip 20, have the 1st 21a1 of handle hole portion and the 2nd 21a2 of handle hole portion that section forms toroidal.The 1st 21a1 of handle hole portion and the 2nd 21a2 of handle hole portion clearly can know according to Fig. 8, and each free section shape is a pair of handle hole portion of toroidal and the narrow that above-mentioned handle hole portion links constituted.In addition, the both side ends at the handle portion 21 of operating grip 20 has been identically formed with execution mode 3: a pair of rotation stopper recess 21c1,21c2, and it constitutes the 1st rotation stopper recess; And a pair of rotation stopper recess 21b1 (not shown), 21b2, it constitutes the 2nd rotation stopper recess.
Connecting rod 30 has the connect apertures 31 that section forms the circular shape, is that the connecting pin 40 of toroidal runs through by section.Other structure is identical with execution mode 1 to 3.In addition, be formed with in the both side ends of connecting rod 30: a pair of spline lug boss 34a1,34a2, it constitutes the 1st spline protuberance; And a pair of spline lug boss 34b1,34b2, it constitutes the 2nd spline protuberance.
Constitute a pair of rotation stopper recess 21c1, the 21c2 of said the 1st rotation stopper recess, engage slidably with a pair of spline lug boss 34b1, the 34b2 of formation the 2nd spline protuberance of connecting rod 30 respectively.Thus, prevent that connecting rod 30 from being that rotate at the center with connecting pin 40.And the size of the length direction of each rotation stopper recess 21c1,21c2,21b1,21b2 forms, and can realize that connecting rod 30 is when said handle locking or the size of the slip of handle locking when removing.Other structure and action are identical with the situation of described execution mode 3.
The multi-pole circuit breaker related according to the execution mode of the present invention that constitutes as stated 4 for connecting rod 30 and operating grip 20, need not append parts, can utilize the operating grip 20 of simple structural constraint circuit-breaker.In addition, through connecting pin 40 being formed the processability toroidal better, thereby can obtain cheap handle lock locking apparatus than long hole shape.And, form the size identical through making connecting rod 30 with the outline of operating grip, thus can be so that the compact appearance when circuit-breaker linked.In addition, owing to only utilize the connecting rod 30 just can be with the operating grip locking, so do not need independent locking cover.
Claims (12)
1. multi-pole circuit breaker, it has the handle lock locking apparatus with a plurality of operating grip lockings that are set up in parallel,
It is characterized in that,
Said handle lock locking apparatus has: connecting rod, and it is arranged between said a plurality of operating grip, these operating grips is retrained integratedly, and constitute and can move with respect to said operating grip; The 1st fixing holding unit, it is fixed on the said connecting rod; And the 2nd fixing holding unit, it is arranged on the housing of said multi-pole circuit breaker, can with the said the 1st fixedly holding unit engage,
At the said the 1st fixing holding unit and the said the 2nd when fixedly holding unit is in non-fastening state; Through said connecting rod is moved to prescribed direction; Thereby make the said the 1st fixedly fixedly holding unit engaging of holding unit and the said the 2nd, with said a plurality of operating grip lockings
At the said the 1st fixing holding unit and the said the 2nd when fixedly holding unit is in fastening state; Through said connecting rod is moved to the direction opposite with said prescribed direction; Thereby, the locking of said a plurality of operating grips is removed the said the 1st fixedly fixedly releasing of the engaging between the holding unit of holding unit and the said the 2nd.
2. multi-pole circuit breaker according to claim 1 is characterized in that,
Said connecting rod constitutes, under at least a portion of its outer surface any situation when said locking is disengaged and during said locking, with the part of the outer surface of said a plurality of operating grips continuously.
3. multi-pole circuit breaker according to claim 1 is characterized in that,
Said handle lock locking apparatus constitutes, and can whether said operating grip be in lockup state differentiate based on the relative position of said connecting rod with respect to said operating grip.
4. multi-pole circuit breaker according to claim 1 is characterized in that,
Have connecting pin, its both ends are fixed on respectively on the relative side of said a plurality of operating grips,
Said connecting rod has connect apertures, and this connect apertures is run through by said connecting pin,
Said connect apertures forms, and said connecting rod is moved to said prescribed direction and the direction opposite with said prescribed direction with respect to said connecting pin.
5. multi-pole circuit breaker according to claim 4 is characterized in that,
The section shape of said connecting pin forms elliptical shape,
Said connect apertures is that a pair of connect apertures portion of elliptical shape and narrow that these connect apertures portions are linked each other constitute by section shape,
Be accompanied by the said of said connecting rod and move, said connecting pin moves to another connect apertures portion from a said connect apertures portion via said narrow.
6. multi-pole circuit breaker according to claim 1 is characterized in that,
Have connecting pin, it runs through said connecting rod, and is fixed on the said connecting rod,
Said a plurality of operating grip has the handle hole that engages with the both ends of said connecting pin respectively in its side surface part respect to one another at least,
Said handle hole forms, and said connecting rod is moved to said prescribed direction and the direction opposite with said prescribed direction with respect to said connecting pin.
7. multi-pole circuit breaker according to claim 6 is characterized in that,
The section shape of said connecting pin constitutes elliptical shape,
Said handle hole is that a pair of connect apertures portion of elliptical shape and narrow that these connect apertures portions are linked each other constitute by section shape,
Be accompanied by the said of said connecting rod and move, said connecting pin moves to another connect apertures portion from a said connect apertures portion via said narrow.
8. multi-pole circuit breaker according to claim 1 is characterized in that having:
Connecting pin, its section forms toroidal, and both ends are fixed on respectively on the relative side of said a plurality of operating grips;
Be respectively formed at the rotation prevention portion on the side surface part relative of said connecting rod with said operating grip; And
Be respectively formed on the relative side surface part of said each operating grip, the rotation prevention portion that engages with said each rotation prevention portion,
Said connecting rod has connect apertures, and this connect apertures is run through by said connecting pin,
Said connect apertures forms, and said connecting rod is moved to said prescribed direction and the direction opposite with said prescribed direction with respect to said connecting pin.
9. multi-pole circuit breaker according to claim 8 is characterized in that,
The said rotation prevention portion that is formed on the said connecting rod is made up of protuberance,
The rotation prevention portion that is formed on the said operating grip is made up of the notch that engages with said protuberance, and can make said protuberance be accompanied by said move of said connecting rod and slide.
10. multi-pole circuit breaker according to claim 1 is characterized in that having:
Connecting pin, its section forms toroidal, runs through said connecting rod and is fixed on the said connecting rod;
Handle hole, it is respectively formed on the relative side surface part of said each operating grip, engages with the both ends of said connecting pin respectively;
Be respectively formed at the rotation prevention portion on the side surface part relative of said connecting rod with said operating grip; And
Be respectively formed on the relative side surface part of said each operating grip, the rotation prevention portion that engages with said each rotation prevention portion,
Said handle hole forms, and said connecting rod is moved to said prescribed direction and the direction opposite with said prescribed direction with respect to said connecting pin.
11. multi-pole circuit breaker according to claim 10 is characterized in that,
The said rotation prevention portion that is formed on the said connecting rod is made up of protuberance,
The rotation prevention portion that is formed on the said operating grip is made up of the notch that engages with said protuberance, and can make said protuberance be accompanied by said move of said connecting rod and slide.
12. multi-pole circuit breaker according to claim 1 is characterized in that,
Be fixed on the 1st on the said connecting rod fixedly holding unit constitute by protuberance,
Be arranged on fixedly holding unit of the said the 2nd on the housing of said multi-pole circuit breaker, by constituting with the recess that said protuberance engages.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010271378A JP5570402B2 (en) | 2010-12-06 | 2010-12-06 | Multipole circuit breaker |
| JP2010-271378 | 2010-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102486980A true CN102486980A (en) | 2012-06-06 |
| CN102486980B CN102486980B (en) | 2014-10-08 |
Family
ID=46152456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110204490.3A Active CN102486980B (en) | 2010-12-06 | 2011-07-20 | Multipole circuit disconnector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5570402B2 (en) |
| CN (1) | CN102486980B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017161972A1 (en) * | 2016-03-21 | 2017-09-28 | 中兴通讯股份有限公司 | Interlocking device and circuit breaker device used for circuit breaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658192A (en) * | 2016-07-25 | 2018-02-02 | 江苏宏达电气有限公司 | A kind of detachable rotating operation handle of breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58176843A (en) * | 1982-03-26 | 1983-10-17 | エレンベルゲル・ウント・ペンスゲン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Overcurrent protecting switch |
| US5109142A (en) * | 1991-02-28 | 1992-04-28 | General Electric Company | Circuit breaker handle tie for automated assembly |
| JP2005243502A (en) * | 2004-02-27 | 2005-09-08 | Meidensha Corp | Interlock apparatus of circuit breaker |
-
2010
- 2010-12-06 JP JP2010271378A patent/JP5570402B2/en not_active Expired - Fee Related
-
2011
- 2011-07-20 CN CN201110204490.3A patent/CN102486980B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58176843A (en) * | 1982-03-26 | 1983-10-17 | エレンベルゲル・ウント・ペンスゲン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Overcurrent protecting switch |
| US5109142A (en) * | 1991-02-28 | 1992-04-28 | General Electric Company | Circuit breaker handle tie for automated assembly |
| JP2005243502A (en) * | 2004-02-27 | 2005-09-08 | Meidensha Corp | Interlock apparatus of circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017161972A1 (en) * | 2016-03-21 | 2017-09-28 | 中兴通讯股份有限公司 | Interlocking device and circuit breaker device used for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5570402B2 (en) | 2014-08-13 |
| JP2012123926A (en) | 2012-06-28 |
| CN102486980B (en) | 2014-10-08 |
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