CN203931860U - A kind of Shou Cao mechanism for circuit breaker - Google Patents

A kind of Shou Cao mechanism for circuit breaker Download PDF

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Publication number
CN203931860U
CN203931860U CN201420343467.1U CN201420343467U CN203931860U CN 203931860 U CN203931860 U CN 203931860U CN 201420343467 U CN201420343467 U CN 201420343467U CN 203931860 U CN203931860 U CN 203931860U
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CN
China
Prior art keywords
slide plate
driving rod
circuit breaker
padlock
service position
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Expired - Lifetime
Application number
CN201420343467.1U
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Chinese (zh)
Inventor
晏卫江
王炯华
陈志刚
管瑞良
陈建红
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Changshu Switchgear Manufacturing Co Ltd
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Changshu Switchgear Manufacturing Co Ltd
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Publication date
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Priority to CN201420343467.1U priority Critical patent/CN203931860U/en
Application granted granted Critical
Publication of CN203931860U publication Critical patent/CN203931860U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

For a Shou Cao mechanism for circuit breaker, comprise a switching mechanism, an operating grip, a driving rod, it is characterized in that: described operating grip comprises a pedestal, rotary handle, interlock and knob; Slide plate has the first and second two service positions, and when slide plate is in the first service position, and circuit breaker is while being in gate-dividing state, the second stop part of slide plate and the described fastener of driving rod staggers so that driving rod can exit mating holes; When slide plate is in the second service position, and circuit breaker is while being in gate-dividing state, and the second stop part of slide plate stops the described fastener of driving rod so that driving rod cannot exit mating holes; When padlock push rod snaps in engages indentation, can padlock location padlock push rod, and the foot of described push rod can act on slide plate, drives slide plate to move to the second service position from the first service position.The utlity model has part little, dependable performance, low cost and other advantages.

Description

A kind of Shou Cao mechanism for circuit breaker
Technical field
The utility model relates to circuit breaker, is specifically related to a kind of Shou Cao mechanism for circuit breaker.
Background technology
As everyone knows, operating grip is the auxiliary equipment with circuit-breaker as distribution, is outdoors the circuit breaker being arranged in cabinet door to be closed to a minute operation from cabinet, general and cabinet door has interlock, when cabinet door, opens, and circuit breaker can not close a floodgate, when circuit breaker is at closing position, cabinet door can not be opened.A kind of is extension type handle, conventional way, driving rod is contained in switch sections, handle apparatus is contained on cabinet door, drives driving rod rotation during rotatable handle, and driving rod drives corresponding mechanism to make circuit breaker realize on/off switch function, conventional scheme is when switch separating brake, driving rod can free in and out the handle being contained on cabinet door, and during combined floodgate, driving rod is blocked and can not opens the door, by a part practical function with rectangular channel.In actual use, when by the equipment of this breaker control or line maintenance or while changing, although the handle of circuit breaker is the position in disconnecting at present, but may there is misoperation in the personnel that do not understand concrete condition, rotate the rotary handle of circuit breaker, open cabinet door, by breaker closing, make equipment energising or starting, thereby can cause field service personnel's dangerous or injury, although some product has designed interlock on electric wiring, but complex circuit and cost are higher, simultaneously, use the circuit breaker volume of interlock larger, reliability is low, profile is less attractive also.
Summary of the invention
The purpose of this utility model is to provide a kind of Shou Cao mechanism for circuit breaker, the function that padlockable locking can not be opened cabinet door when realizing breaker open operation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Shou Cao mechanism for circuit breaker, comprise that a switching mechanism, an operating grip, connect the driving rod of switching mechanism and operating grip, one end of driving rod is fixedly connected with switching mechanism, other end attended operation handle;
The end of the attended operation handle of described driving rod is provided with fastener; Described operating grip comprises a pedestal, rotary handle, interlock and knob; Rotary handle is provided with the mating holes with the end institute Corresponding matching of the attended operation handle of driving rod;
The inherent driving rod of described rotary handle footpath is upwards movably set with padlock push rod, and on described pedestal, the position of padlock push rod is provided with an engages indentation during corresponding breaker open operation;
Described interlock comprises a slide plate, and this slide plate slides and is arranged on pedestal along the direction perpendicular to driving rod axis, and is provided with the second stop part, and on slide plate, is also provided with a first fold turn of bilge and coordinates with the foot of padlock push rod;
Described slide plate has the first and second two service positions, and when slide plate is in the first service position, and circuit breaker is while being in gate-dividing state, the second stop part of slide plate and the described fastener of driving rod staggers so that driving rod can exit mating holes; When slide plate is in the second service position, and circuit breaker is while being in gate-dividing state, and the second stop part of slide plate stops the described fastener of driving rod so that driving rod cannot exit mating holes; When padlock push rod snaps in engages indentation, can padlock location padlock push rod, and the foot of described push rod can act on slide plate, drives slide plate to move to the second service position from the first service position.
In such scheme, described operating grip also comprises rotating shaft, in the first through hole that described rotating shaft hub setting is offered on pedestal; Described rotating shaft one end and rotary handle are fixedly connected, and the other end is provided with the mating holes with the end institute Corresponding matching of the attended operation handle of driving rod, and the end of the attended operation handle of described driving rod embeds in described mating holes.
In such scheme, on described slide plate, the described fastener present position of driving rod is provided with the first stop part during corresponding to breaker closing; When slide plate is in the first service position, and when circuit breaker is in "on" position, the first stop part of slide plate stops the described fastener of driving rod so that driving rod cannot exit mating holes, when slide plate is in the second service position, and when circuit breaker is in "on" position, the first stop part of slide plate and the described fastener of driving rod staggers so that driving rod can exit mating holes; Described interlock also comprises a push rod, and this push rod is located at by slide plate side, and its one end is rotated connection with a knob relative to pedestal, and its other end coordinates with slide plate, can act on slide plate, drives slide plate to move to the second service position from the first service position.
In such scheme, in described rotary handle, also arrange and have padlock push rod back-moving spring, its one end is resisted against on padlock push rod, and the other end is resisted against on rotary handle.
In such scheme, described slide plate has the second bending part, and on described pedestal, corresponding the second bending part is provided with chute, and described the second bending part embeds in chute and can slide along chute.
In such scheme, described interlock also comprises slide plate back-moving spring, and this slide plate back-moving spring one end connects with slide plate, and the other end connects with pedestal, and the active force of this slide plate back-moving spring forces slide plate to move to the first service position from the second service position.
In such scheme, the first service position of the corresponding slide plate of described pedestal has stopper section, and this stopper section stops that slide plate slides.
The effect that the utility model brings is as follows:
The utility model is integrated in padlock on rotary handle, make the utlity model has stronger Practical Performance, while in use running into some special circumstances (for example being overhauled by the equipment of this breaker control or circuit) under gate-dividing state, can lock for circuit breaker be fixed on to gate-dividing state by padlock, and cabinet door is also pinned simultaneously, cabinet door cannot be opened, to avoid misoperation to damage.And it is little that the utility model scheme has part compared with conventional scheme, dependable performance, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the operating grip structure exploded perspective view of the utility model embodiment;
Fig. 3 is pedestal and the interlock structural representation of the utility model embodiment;
Fig. 4 is the operating grip structure cross-sectional schematic of the utility model embodiment;
Fig. 5 is the driving rod structural representation of the utility model embodiment;
Fig. 6 is the revolute axes configuration schematic diagram of the utility model embodiment;
To be the utility model embodiment be in the view that the first service position and circuit breaker are in interlock and the driving rod of "on" position when slide plate to Fig. 7;
To be the utility model embodiment be in the view that the second service position and circuit breaker are in interlock and the driving rod of "on" position when slide plate to Fig. 8;
To be the utility model embodiment be in the view that the first service position and circuit breaker are in interlock and the driving rod of gate-dividing state when slide plate to Fig. 9;
To be the utility model embodiment be in the view that the second service position and circuit breaker are in interlock and the driving rod of gate-dividing state when slide plate to Figure 10.
In above accompanying drawing: 1, circuit breaker; 2, switching mechanism; 21, handle hole; 3, operating grip; 31, pedestal; 311, container cavity; 312, chute; 313; Stopper section 32, lid; 321, the first through hole; 322, engages indentation; 33, rotary handle; 331, padlock push rod; 3311, auxiliary section; 3312, padlock hole; 3313, foot; 3314, padlock push rod back-moving spring; 34, rotating shaft; 341, square hole; 342, groove; 35, interlock; 351, slide plate; 3511, first fold turn of bilge; 3512, the first stop part; 3513, slide plate sidepiece; 3514, the second stop part; 352, push rod; 353, slide plate back-moving spring; 36, knob; 4, driving rod; 41, end; 42, end; 43, pivot pin.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: shown in Fig. 1-10:
A kind of Shou Cao mechanism for circuit breaker, comprise switching mechanism 2, operating grip 3, driving rod 4, switching mechanism 2 is fixedly mounted on circuit breaker 1, operating grip 3 is arranged in switching mechanism 2, driving rod 4 and switching mechanism 2 are fixed on circuit breaker 1, and operating grip 3 is fixed in cabinet door (not shown), and an end 41 of concrete driving rod 4 is inserted in the handle hole 21 of switching mechanism 2, and fixing with switching mechanism 2, the other end 42 of operating grip 3 connection for transmission rods 4.
The footpath of the end 42 of the attended operation handle 3 of described driving rod 4 is upwards provided with fastener, and specifically as shown in Figure 5, better concrete scheme is that driving rod 4 is preferably a square rod, is provided with the pivot pin vertical with driving rod 4 43 on its end 42.
Described operating grip 3 comprises a pedestal, rotating shaft 34, rotary handle 33, interlock 35 and knob 36; On described pedestal, offer the first through hole 321, described rotating shaft 34 hub settings are in the first through hole 321; Described rotating shaft 34 one end and rotary handle 33 are fixedly connected by screw, the other end is provided with the mating holes with the end institute Corresponding matching of the attended operation handle 3 of driving rod 4, the end 42 of the attended operation handle 3 of described driving rod 4 embeds in described mating holes, specifically as shown in Fig. 4 and Fig. 6, mating holes on described rotating shaft 34 is specifically comprised of with two grooves 342 vertical with square hole 341 square hole 341, when driving rod 4 inserts in mating holes, the body end of driving rod 4 enters square hole 341, and pivot pin 43 is inserted in groove 342 simultaneously.Driven rotary axle 34 rotations when operating grip 3 rotation, and drive driving rod 4 rotations, driving rod 4 is with manual converting mechanism 2 motions again, and switching mechanism 2 drives the handle (not shown) rectilinear motion of circuit breaker 1 again, with this, realizes the on/off switch of circuit breaker.
Specifically, described pedestal is comprised of a pedestal 31 and lid 32, and the first through hole 321 is to be located on lid 32.
Interlock 35 is arranged in the container cavity 311 of pedestal 31, interlock 35 comprises slide plate 351 and push rod 352, described slide plate 351 slides and is arranged on pedestal 31 along the direction perpendicular to driving rod 4 axis, and on slide plate 351, pivot pin 43 present positions of driving rod 4 are provided with the first stop part 3512 during corresponding to breaker closing.Described slide plate 351 has the first and second two service positions, when slide plate 351 is in the first service position, and when circuit breaker is in "on" position, the first stop part 3512 of slide plate 351 stops the described fastener of driving rod 4 so that driving rod 4 cannot exit mating holes, when slide plate 351 is in the second service position, and when circuit breaker is in "on" position, the first stop part 3512 and the described fastener of driving rod 4 of slide plate 351 stagger so that driving rod 4 can exit mating holes.Described push rod 352 is located at by slide plate 351 sides, and its one end connects and rotates connection relative to pedestal with knob 36, and its other end coordinates with slide plate 351, can act on slide plate 351, drives slide plate 351 to move to the second service position from the first service position.
The inherent driving rod of rotary handle 33 4 footpaths are upwards movably set with padlock push rod 331, and this padlock push rod 331 is provided with padlock hole 3312; On described lid 32, the position of padlock push rod 331 is provided with an engages indentation 322 during corresponding breaker open operation.On slide plate 351, pivot pin 43 present positions of driving rod 4 are provided with the second stop part 3514 during corresponding to breaker open operation, and on slide plate 351, are also provided with a first fold turn of bilge 3511 and coordinate with the foot 3313 of padlock push rod 331.When slide plate 351 is in the first service position, and circuit breaker is while being in gate-dividing state, and the second stop part 3514 and the pivot pin 43 of driving rod 4 of slide plate 351 stagger so that driving rod 4 can exit mating holes; When slide plate 351 is in the second service position, and circuit breaker is while being in gate-dividing state, the second stop part 3514 of slide plate 351 by driving rod 4 pivot pin 43 stop so that driving rod 4 cannot exit mating holes.When the auxiliary section 3311 of padlock push rod 331 snaps in engages indentation 322 when interior, can be in padlock mode by padlock push rod 331 location by padlock hole 3312, and the foot 3313 of described push rod 331 can act on slide plate 351, drive slide plate 351 to move to the second service position from the first service position.As shown in Figure 4, in rotary handle 33, also arrange and there is padlock push rod back-moving spring 3314, its one end is resisted against on padlock push rod 331, and the other end is resisted against on rotary handle 33, and the active force of padlock push rod back-moving spring 3314 forces the auxiliary section 3311 of padlock push rod 331 to snap in engages indentation 322.
Slide plate 351 has the second bending part, and on described pedestal 31, correspondence is provided with chute 312, and described the second bending part embeds in chute 312 and can slide along chute 312.
Interlock 35 also comprises slide plate back-moving spring 353, and these slide plate back-moving spring 353 one end connect with slide plate 351, and the other end connects with pedestal 31, and the active force of this slide plate back-moving spring 353 forces slide plate 351 to move to the first service position from the second service position.
On pedestal 31, the first service position of corresponding slide plate 351 has stopper section 313, and this stopper section 313 stops that slide plate 351 slides.
In use procedure, when circuit breaker is during in "on" position, be that rotary handle 33 turns over 90 degree, under normality, because of the effect of slide plate back-moving spring 353, slide plate 351 is in the first service position, as shown in Figure 7, driving rod 4 also turns over 90 degree, the pivot pin 43 of driving rod 4 is pinned by the first stop part 3512 of slide plate 351, and driving rod 4 cannot pass in and out, and reaches the requirement that closing position can not be opened cabinet door.In addition, when if when closing a floodgate, circuit breaker is in melting welding state, circuit breaker can not reach gate-dividing state, now cabinet door can not be opened, in the time of need promptly opening the door, knob 36 is exposed at cabinet outdoors, can be by rotation knob 36, one end of push rod 352 and slide plate 351 are fixing against, the other end and knob 36, and when knob 36 rotation, push rod 352 can rotate together with knob 36, push rod 352 promote slide plates 351 to the second place as shown in Figure 8, driving rod 4 can free in and out, and namely can open breaker cabinet door, handled easily.
When circuit breaker is during in gate-dividing state, in the absence of locking, now state as shown in Figure 4, contracting is in rotary handle 33 under 3314 effects of padlock spring for padlock push rod 331, and because of the effect of slide plate back-moving spring 353, slide plate 351 is in the first service position, as shown in Figure 9, now the second stop part 3514 of slide plate 351 does not block pivot pin 43, and driving rod 4 can free in and out, namely can normal switch cabinet door, when needing padlock, pull padlock push rod 331 outwards to move, lid 32 breach 322 are stretched into when interior in the auxiliary section 3311 of padlock push rod 331, by padlock hole 3312 padlocks of padlock push rod 331, rotary handle 33 just cannot turn clockwise, cannot to closing position, rotate from open position, so just limited the rotation of rotary handle 33, thereby limited the combined floodgate of circuit breaker, padlock push rod 331 moves right in process and coordinates with the first fold turn of bilge 3511 of slide plate 351 simultaneously, during 331 motion of padlock push rod, drive slide plate 351 motions, when padlock push rod 331 arrives the second service position, state as shown in figure 10, the second stop part 3514 of slide plate 351 blocks the pivot pin 43 of driving rod 4, driving rod 4 can not take out, so can not open the requirement of cabinet door while having reached padlock.
The present embodiment is integrated in padlock on rotary handle 33, has realized padlock and cabinet gate interlock function, and if melting welding occurs, switch can not arrive open position, in the time of can not opening cabinet door, can open cabinet door by the knob 36 that promptly opens the door.It is little that this scheme has part compared with conventional scheme, dependable performance, low cost and other advantages.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.

Claims (7)

1. the Shou Cao mechanism for circuit breaker, comprise that a switching mechanism (2), an operating grip (3), connect the driving rod (4) of switching mechanism (2) and operating grip (3), one end of driving rod (4) is fixedly connected with switching mechanism (2), other end attended operation handle (3); It is characterized in that:
The end of the attended operation handle (3) of described driving rod (4) is provided with fastener; Described operating grip (3) comprises a pedestal, rotary handle (33), interlock (35) and knob (36); Rotary handle (33) is provided with the mating holes with the end institute Corresponding matching of the attended operation handle (3) of driving rod (4);
The inherent driving rod of described rotary handle (33) (4) footpath is upwards movably set with padlock push rod (331), and on described pedestal, the position of padlock push rod (331) is provided with an engages indentation (322) during corresponding breaker open operation;
Described interlock (35) comprises a slide plate (351), this slide plate (351) slides and is arranged on pedestal along the direction perpendicular to driving rod (4) axis, and be provided with the second stop part, and on slide plate (351), be also provided with a first fold turn of bilge (3511) and coordinate with the foot (3313) of padlock push rod (331);
Described slide plate (351) has the first and second two service positions, when slide plate (351) is in the first service position, and when circuit breaker is in gate-dividing state, the described fastener of the second stop part of slide plate (351) and driving rod (4) staggers so that driving rod (4) can exit mating holes; When slide plate (351) is in the second service position, and circuit breaker is while being in gate-dividing state, and the second stop part of slide plate (351) stops the described fastener of driving rod (4) so that driving rod (4) cannot exit mating holes; In the time of in padlock push rod (331) snaps in engages indentation (322), can locate padlock push rod (331) by padlock, and the foot (3313) of described push rod (331) can act on slide plate (351), drive slide plate (351) to move to the second service position from the first service position.
2. a kind of Shou Cao mechanism for circuit breaker according to claim 1, is characterized in that: described operating grip (3) also comprises rotating shaft (34), in the first through hole (321) that described rotating shaft (34) hub setting is offered on pedestal; Described rotating shaft (34) one end and rotary handle (33) are fixedly connected, the other end is provided with the mating holes with the end institute Corresponding matching of the attended operation handle (3) of driving rod (4), and the end of the attended operation handle (3) of described driving rod (4) embeds in described mating holes.
3. a kind of Shou Cao mechanism for circuit breaker according to claim 1, is characterized in that: described slide plate (351) upper during corresponding to breaker closing the described fastener present position of driving rod (4) be provided with the first stop part; When slide plate (351) is in the first service position, and when circuit breaker is in "on" position, the first stop part of slide plate (351) stops the described fastener of driving rod (4) so that driving rod (4) cannot exit mating holes, when slide plate (351) is in the second service position, and when circuit breaker is in "on" position, the described fastener of the first stop part of slide plate (351) and driving rod (4) staggers so that driving rod (4) can exit mating holes; Described interlock (35) also comprises a push rod (352), this push rod (352) is located at by slide plate (351) side, its one end is rotated connection with a knob (36) relative to pedestal, its other end coordinates with slide plate (351), can act on slide plate (351), drive slide plate (351) to move to the second service position from the first service position.
4. a kind of Shou Cao mechanism for circuit breaker according to claim 1, it is characterized in that: in described rotary handle (33), also arrange and there is padlock push rod back-moving spring (3314), it is upper that its one end is resisted against padlock push rod (331), and the other end is resisted against on rotary handle (33).
5. a kind of Shou Cao mechanism for circuit breaker according to claim 1, it is characterized in that: described slide plate (351) has the second bending part (3512), on described pedestal, corresponding the second bending part (3512) is provided with chute (312), and described the second bending part (3512) embeds in chute (312) and can slide along chute (312).
6. a kind of Shou Cao mechanism for circuit breaker according to claim 1, it is characterized in that: described interlock (35) also comprises slide plate back-moving spring (353), this slide plate back-moving spring (353) one end connects with slide plate (351), the other end connects with pedestal, and the active force of this slide plate back-moving spring (353) forces slide plate (351) to move to the first service position from the second service position.
7. a kind of Shou Cao mechanism for circuit breaker according to claim 1, is characterized in that: the first service position of the corresponding slide plate of described pedestal (351) has stopper section (313), and this stopper section (313) stop that slide plate (351) slides.
CN201420343467.1U 2014-06-25 2014-06-25 A kind of Shou Cao mechanism for circuit breaker Expired - Lifetime CN203931860U (en)

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CN201420343467.1U CN203931860U (en) 2014-06-25 2014-06-25 A kind of Shou Cao mechanism for circuit breaker

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Application Number Priority Date Filing Date Title
CN201420343467.1U CN203931860U (en) 2014-06-25 2014-06-25 A kind of Shou Cao mechanism for circuit breaker

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CN203931860U true CN203931860U (en) 2014-11-05

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CN201420343467.1U Expired - Lifetime CN203931860U (en) 2014-06-25 2014-06-25 A kind of Shou Cao mechanism for circuit breaker

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108269703A (en) * 2017-12-26 2018-07-10 浙江正泰电器股份有限公司 External operation handle
CN109103044A (en) * 2017-06-21 2018-12-28 上海良信电器股份有限公司 A kind of rotary safe handle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103044A (en) * 2017-06-21 2018-12-28 上海良信电器股份有限公司 A kind of rotary safe handle
CN109103044B (en) * 2017-06-21 2024-04-16 上海良信电器股份有限公司 Rotary safety handle and rotary isolating switch
CN108269703A (en) * 2017-12-26 2018-07-10 浙江正泰电器股份有限公司 External operation handle
WO2019128289A1 (en) * 2017-12-26 2019-07-04 浙江正泰电器股份有限公司 External operation handle

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Granted publication date: 20141105