CN104241045B - Safety guard for chopper - Google Patents
Safety guard for chopper Download PDFInfo
- Publication number
- CN104241045B CN104241045B CN201310241583.2A CN201310241583A CN104241045B CN 104241045 B CN104241045 B CN 104241045B CN 201310241583 A CN201310241583 A CN 201310241583A CN 104241045 B CN104241045 B CN 104241045B
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- CN
- China
- Prior art keywords
- chopper
- circuit breaker
- contour segment
- push rod
- breaker base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Breakers (AREA)
Abstract
The present invention provides a kind of safety guard (3) for chopper (2); this chopper (2) is configured to can be inserted in circuit breaker base (1) and be connected electrically; this safety guard (3) including: push rod (31), is configured to removable to abut or to depart from the tripping mechanism of described chopper (2)；Being supported in the control imitated structure (32) on this circuit breaker base (1), it includes multiple function contour segment (321,322,323)；It is rotatably mounted to the lever construction (33) of described chopper (2), described lever construction (33) has the first lever end and the second lever end, wherein the first lever end connects described push rod (31), described second lever end is configured to slidably abut described function contour segment, wherein, inserting in circuit breaker base (1) process at described chopper (2), described second lever end slides to promote push rod (31) abut described tripping mechanism and forbid that described tripping mechanism works at least one in described function contour segment.The present invention also provides for a kind of breaker assembly and the method installing chopper.
Description
Technical field
The present invention relates to field of circuit breakers, particularly for the safety guard of chopper.The invention still further relates to the chopper with such protection device for installing and the method installing chopper.
Background technology
Chopper is often referred to the electric current that can close, carry and cut-off under normal loop condition the switching device of the electric current that can close, carry within the time of regulation and cut-off under abnormal loop condition (including short circuit condition).Chopper is usually installed to switch cubicle, is specifically mounted in the base of such as plug-in, plays current protection effect.At this, plug-in base to be first arranged in switch cubicle equally, and and circuit ON.Thus, at chopper during insertion, it has to be warranted that itself be in disjunction state.
A kind of way that prior art generally adopts is, when installing chopper, cuts off higher level's circuit.This way causes that circuit at the same level is all cut-off, has a strong impact on its user and uses.It addition, the replacement of prior art or the means of supplementing out economy are, when inserting chopper, installation personnel guarantee that chopper is in open position.But, there is potential safety hazard in this.Such as, owing to operator's carelessness makes chopper in an ON state, and do not cut off higher level's circuit simultaneously, then easily cause security incident.
So, there is demand currently for the apparatus and method being safely inserted chopper.
Summary of the invention
The purpose of the present invention is contemplated to for the above-mentioned problems in the prior art, it is provided that a kind of breaker safe protection device.
For this; a scheme of the present invention provides a kind of safety guard for chopper; this chopper is configured to can be inserted in circuit breaker base and is connected electrically; this safety guard includes: push rod, is configured to removable to abut or to depart from the tripping mechanism of described plug-pull type breaker；Being supported in the control imitated structure on this circuit breaker base, it includes multiple function contour segment；It is rotatably mounted to the lever construction of described plug-pull type breaker, described lever construction has the first lever end and the second lever end, wherein the first lever end connects described push rod, described second lever end is configured to slidably abut described function contour segment, wherein, inserting in circuit breaker base process at described chopper, described second lever end slides to promote push rod abut described tripping mechanism and forbid that described tripping mechanism works at least one in described function contour segment.
By the safety guard of the present invention, it can be effectively prevented chopper and close a floodgate during insertion.And this safety guard simple in construction; and by being mounted respectively to the lever construction of chopper and controlling imitated structure; most of structure of this safety guard is adapted to be mounted within the space under chopper, in circuit breaker base, thus when chopper is installed and be adapted to be hidden in internal system afterwards and do not appear.
According to it is preferred that feature, this safety guard also includes the shift mechanism being close to chopper for described control imitated structure mobile after chopper inserts；With for described chopper being fastened on the retention mechanism on circuit breaker base.Described copying control structure be configured to close to and allow when being fastened to described chopper the motion of described lever construction and and then described push rod reset so that described push rod is at a distance with tripping mechanism.By arranging shift mechanism, it is possible to allow operator until chopper is fully-inserted and make push rod depart from tripping mechanism after fastening, such as release lever, and keep certain safe distance, this provides further safety guarantee.And, such setting allows simultaneously in installment state and duty, can ensure the functional of chopper respective action parts well.That is, in the mounted state, safety guard can maximize the combined floodgate working to forbid tripping mechanism, and in working order, normal, the reliable operation of chopper are not had any impact by safety guard.
It is highly preferred that also include being placed on described circuit breaker base, for fixing the support plate of described control imitated structure；Wherein, described shift mechanism is made up of bolt mechanism together with retention mechanism, and described bolt mechanism includes fastening bolt and the screwed hole formed in described support plate.Described support plate and " fixing " of controlling imitated structure will have wide in range implication, and namely they may be integrally formed or secured to one another by suitable fastening component, but without relative motion between them.
Alternatively, chopper is fastened on circuit breaker base also make simultaneously support plate and control imitated structure fix relative to chopper and circuit breaker base.Preferably, in one embodiment, circuit breaker base is formed with the depression of lateral openings, the at least threaded bore portions of described support plate is located in described depression, and the vertical dimension of described depression is more than the vertical dimension (thickness) of the described threaded bore portions of described support plate, and described support plate is configured to be supported in the lower wall of described depression and can be moved and abut the upper side wall of described depression by described bolt mechanism when described chopper inserts, thus realizing support plate and controlling imitated structure and fix relative to chopper and circuit breaker base.
By such setting, operator can pass through screw threads for fastening chopper and realize chopper simply from disarmed state to can the conversion of duty of safety closing.Compared with installing with existing chopper, it is not necessary to increase workload, and this screw threads for fastening can be passed through to operator's being explicitly indicated with State Transferring.
According to it is preferred that embodiment, the plurality of function contour segment includes the first, second, and third function contour segment sequentially arranged, described first function contour segment facilitates described second lever end to slip into described second function contour segment for the initial stage inserting circuit breaker base at described chopper, described 3rd function contour segment is configured to insert latter stage or afterwards of circuit breaker base at described chopper, by the second lever end, push rod is moved towards the direction away from tripping mechanism.
Preferably, the function contour segment controlling imitated structure can be configured so that, namely at the maximum insertion depth of described chopper, the second lever end still abuts with the second function contour segment, thus push rod stops the work of tripping mechanism.Then, moving described control imitated structure by shift mechanism so that the second lever end slips into the 3rd function contour segment, now this push rod moves towards the direction away from tripping mechanism, and a safe distance spaced apart with tripping mechanism.
Or, the function contour segment controlling imitated structure can be configured so that, namely inserts the latter stage of circuit breaker base at described chopper, and the second lever end slips into the 3rd function contour segment, now this push rod moves towards the direction away from tripping mechanism, but preferably still keeps in touch with tripping mechanism.And, described control imitated structure is moved by shift mechanism, the second lever end is made to slide further along the 3rd function contour segment or slip into further 4th function contour segment so that push rod moves towards the direction away from tripping mechanism, and a safe distance spaced apart with tripping mechanism
According to a specific embodiment, described second contour segment is straight profiles section, described first and third round exterior feature section be obliquely installed relative to the second contour segment.
Preferably, described control imitated structure is gauge finder, and the plurality of function contour segment is limited by the lateral edges of gauge finder.
According to a preferred embodiment, this safety guard includes the elastic component connecting described control imitated structure and described circuit breaker base, and for described control imitated structure is maintained at circuit breaker base, this is conducive to the stable insertion of chopper.
According to a preferred embodiment, this safety guard includes the back-moving spring being connected with described push rod, for biasing described push rod towards away from tripping mechanism direction.
Preferably, described lever construction has the first bearing pin of the first lever end, and described push rod has the waist hole receiving described first bearing pin, and this is conducive to the stable motion of push rod.
It is highly preferred that described lever construction has the second bearing pin in the second lever end, described second bearing pin abuts described function contour segment with its outer peripheral face.
It is further preferred that described second bearing pin is pivotably mounted or has the pin sleeve of pivot, thus the second bearing pin abuts function contour segment in the way of Structure deformation, reduces friction, reduces abrasion.
According to another program of the present invention, it is provided that a kind of breaker assembly, it includes circuit breaker base；It is configured to insert the plug-pull type breaker of this circuit breaker base；With the safety guard according to the present invention.
Yet another aspect according to the present invention, a kind of chopper being configured to can be inserted into circuit breaker base is provided, wherein, described circuit breaker base is provided with the control imitated structure of multiple function contour segment, described chopper includes: have tripping mechanism breaker body, it is rotatably mounted to the lever construction of breaker body, and it is configured to abut or depart from the push rod of described tripping mechanism, wherein, described lever construction has the first lever end and the second lever end, wherein the first lever end connects described push rod, described second lever end is configured to slidably abut described function contour segment, wherein, when described chopper is configured to insert circuit breaker base and before being connected electrically, described second lever end slides to promote push rod abut described tripping mechanism and forbid that described tripping mechanism works on described function contour segment.
According to yet another aspect of the invention, a kind of method being arranged on by chopper in circuit breaker base is provided, comprise the steps: to provide chopper, described chopper includes the breaker body with tripping mechanism, it is rotatably mounted to the lever construction of breaker body and is configured to abut or depart from the push rod of described tripping mechanism, described lever construction has the first lever end and the second lever end, wherein the first lever end connects described push rod, and described second lever end is configured to slidably abut described function contour segment；Thering is provided circuit breaker base, it is provided with the control imitated structure that elastic component is supported on this circuit breaker base, and described control imitated structure includes multiple function contour segment；Described chopper is inserted in described circuit breaker base so that described second lever end slides to promote push rod abut described tripping mechanism and forbid that described tripping mechanism works on described function contour segment；After chopper inserts, make described control imitated structure close and fasten chopper to circuit breaker base, to allow described lever construction also and then described pushrod movement, so that described push rod is at a distance with tripping mechanism.
The chopper of the present invention is installed particularly simple, and can ensure the safety of operator when inserting, and after mounting, it is possible to reliably and efficiently operating breaker.
A part for other features and advantages of the present invention would is that those skilled in the art are obvious after reading the application, and another part will be described in conjunction with the accompanying in detailed description of the invention below.
Accompanying drawing explanation
Hereinafter, describe embodiments of the invention in detail in conjunction with accompanying drawing, wherein:
Fig. 1 illustrates an embodiment of the breaker assembly according to the present invention, and wherein chopper inserts in circuit breaker base, but is not yet fastenedly connected with it；
Fig. 2 illustrates the breaker assembly of embodiment illustrated in fig. 1, and wherein chopper is fastenedly connected in breaker assembly；
Fig. 3 particularly illustrates the exploded perspective view of the embodiment of the safety guard according to the present invention；
Fig. 4 illustrates the sectional view of the safety guard shown in Fig. 3；
Fig. 5 is the partial enlarged drawing of D part in Fig. 4, particularly illustrates the multibank capability contour segment controlling imitated structure.
In the present invention, same or analogous accompanying drawing labelling represents same or analogous feature or component.
Reference numerals list
1-circuit breaker base；2-chopper；3-safety guard；11-inner chamber；12-caves in；21-release lever；22-action bars；31-push rod；32-controls imitated structure；33-lever construction；34-support plate；35-lever construction support；36-fastens bolt；37-elastic component；100-breaker assembly；311-back-moving spring；312-waist hole；313-end inclined-plane；321-the first function contour segment；322-the second function contour segment；323-the 3rd function contour segment；324-hook portion；331-the first bearing pin；332-the second bearing pin；333-pivot；341-screwed hole；342-indicating mechanism；351-alignment pin；352-fixing threaded hole；D-part.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing illustrates the specific embodiment of the present invention.Although providing accompanying drawing is to present some embodiments of the present invention, but accompanying drawing need not by the size of specific embodiments or arbitrary shape, and some feature can be exaggerated, removes, office cuts open or illustrates with schematic representation the disclosure can better be explained.The phrase " in the accompanying drawings " occurred in the description or similar term need not with reference to all accompanying drawings or examples.
It is used to describe some directional terminology of accompanying drawing hereinafter, such as " on ", D score, "left", "right", " upwards ", " downwards " and other directional terminology, will be understood as with reference to the direction described in accompanying drawing, and do not constitute the concrete restriction to the present invention.It addition, the directivity for device describes and will understand for the usual direction of field of circuit breakers according to those skilled in the art, for instance, chopper direction of insertion can be described as " vertical direction ".
As Fig. 1 and 2 totally shown in, it is provided that a kind of breaker assembly 100, it includes the circuit breaker base 1 as building block and chopper 2.As it is known to the person skilled in the art, this chopper 2 is configured to be inserted in this circuit breaker base 1, and it is fastened thereon, in order to realize necessary chopper function.With continued reference to Fig. 1 and 2, this circuit breaker base 1, in container-like, has inner chamber 11 that limited, upper end open by housing.This chopper 2 can be any plug-pull type breaker being, and can have the known suitable components that chopper can have, such as contact system, arc quenching system, operating mechanism, tripping mechanism, shell etc., but for the object of the invention, illustrate only the release lever 21 as tripping mechanism or its parts and the action bars 22 as operating mechanism or its parts.People it will be appreciated that when tripping mechanism is threaded off, operator will not operate to operating mechanism, close a floodgate chopper such as action bars 22, and be in the chopper of "on" position also can therefore escape, thus now chopper is off.This function of chopper is that prior art is known, does not repeat them here.
In conjunction with reference to Fig. 3-5; the embodiment of the breaker assembly 100 according to the present invention also includes safety guard 3; this safety guard 3 can ensure that chopper 2 inserts in the process of circuit breaker base 1 in a very simplified manner and remain off; thus providing safeguard protection, and this safety guard decreases the probability getting involved chopper work as far as possible.This safety guard 3 can include the push rod 31 being configured to abut or to depart from the tripping mechanism of described chopper 2, in this case release lever 21；It is maintained at the control imitated structure 32 on this circuit breaker base 1；And it is rotatably mounted to the lever construction 33 of described chopper 2.The miscellaneous part of safety guard 3 describing this push rod 31 separately below, controlling imitated structure 32 and lever construction 33 and associate with them.
Especially as it is shown on figure 3, this push rod 31 is in elongated rod-shaped, and can be inserted in chopper 2 in the hole of formation.Wherein, being formed with hollow parts in push rod 31, be used for holding and connect a back-moving spring 311, this back-moving spring 311 is for biasing described push rod 31 towards away from release lever 21 direction, thus push rod 31 can separate a safe distance with release lever 21 under normal conditions, in order to avoid affect the work of chopper.In an illustrated embodiment, back-moving spring 311 such as connects push rod in extension spring form one end, the other end connects the standing part of chopper 2, but back-moving spring can also be the voltage biasing structure of other forms, as long as it is suitable to bias push rod towards away from tripping mechanism direction.Be formed with a waist hole 312 in the bottom of this push rod 31, by this waist hole 312, push rod 31 can be connected with lever construction 33 operation, as detailed below.At the top of this push rod 31, define an angled end-face 313, which constitute the part for abutting release lever 21 separatably of push rod 31.
With continued reference to Fig. 3-5, in order to support the lever construction 33 of safety guard 3, this safety guard 3 also has lever construction support 35.This lever construction support 35 includes for multiple fixing threaded holes 352, show two, thus it such as can be fixedly installed to the bottom side (see Fig. 1 and 2) of chopper 2.Although being installed by screw thread in an illustrated embodiment, but this support 35 can be fixed to chopper 2 by other means, even can be integrally formed with chopper.This support 35 also has outward extending tabular, and lever construction 33 is pivotally mounted on the plate portion of this support 35 by a pivot 333.In an illustrated embodiment, this pivot 333 is the integral part of lever construction 33, and in the hole formed in the plate portion of support 35, in order to pivotally mounted but it also may to be that lever construction 33 has hole, and pivot is formed on support 35.As it can be seen, this support 35, especially its plate portion are also formed with alignment pin 351.
As shown in the figure, this lever construction 33 has plate portion triangular in shape, above-mentioned pivot 333 is positioned on a summit of triangle, and this lever construction limits the first lever end and the second lever end respectively at another two apex, and the first bearing pin 331 (Fig. 4) and the second bearing pin 332 it are suitably formed respectively at the first and second lever end places.This first bearing pin 331 is such as install pivotally around self axis of rotation or simply fix or be integrally formed on set square, and is inserted in the above-mentioned elongated waist hole 312 of push rod 31, thus it can have certain degree of freedom in the longitudinal direction in waist hole 312.And the second bearing pin 332 can slide against control imitated structure 32, as detailed below.Although in an illustrated embodiment, above-mentioned lever construction 33 has the basic configuration of triangle, but can also arrange by other shape as required, as long as effectively can effectively be transferred to controlling cooperating of second lever end (the second bearing pin 332) of imitated structure 32 and lever construction 33 push rod 31 and make it move suitably by lever construction 33.Although additionally, push rod 31 and lever construction 33 are coordinated by bearing pin so-well format in an illustrated embodiment, but may be used without other proper fit mode.
As in Figure 3-5, illustrate the control imitated structure 32 in gauge finder form, this control imitated structure 32 can include multiple function contour segment, it is three in an illustrated embodiment, i.e. the first function contour segment the 321, second function contour segment 322 and the 3rd function contour segment 323, however, it is contemplated that be arranged as required to more or less of function contour segment.In an illustrated embodiment, described function contour segment is limited by the lateral edges of gauge finder, and describes in order to convenient, draws the schematic lines of function contour segment in Figure 5 along contour edge abreast, represents contour segment with this schematic lines.Especially as it is shown in figure 5, described second contour segment 321 is straight profiles section, described first and third round exterior feature section 321,323 be obliquely installed relative to the second contour segment 332, thus present the second contour segment 332 compared to first with third round exterior feature section 321,323 " highlighting ".It is described in conjunction with its function further below.
As shown in Figure 4, this control imitated structure 32 also has hook portion 324, and an elastic component 37, such as extension spring one end connect this hook portion 324, the other end connects circuit breaker base 1, thus control imitated structure 32 is bearing on circuit breaker base 1, it is preferable that be positioned at the inner chamber 11 of circuit breaker base 1.
As it can be seen, this safety guard 3 could be included for the support plate 34 being bearing on circuit breaker base 1 by this control imitated structure 32.In an illustrated embodiment, this control imitated structure 32 is integrally formed with support plate 34, for instance bent out the control imitated structure 32 of this one-tenth profiling tabular integratedly by sheet metal component.Additionally, this safety guard 3 may also include bolt mechanism.As it can be seen, this bolt mechanism can include multiple fastening bolt 36, correspondingly, the appropriate section of this support plate 34, screwed hole 341 specifically it is formed with at two ends, the function of this bolt mechanism will be described hereinafter.With reference to Fig. 1 and 2, this circuit breaker base 1 can be formed with the depression 12 towards inner opening in both sides, screwed hole 341 part of this support plate 34 is inserted in depression 12, and the height (thickness) of depression is more than the thickness (highly) of support plate 34, and it is formed for the hole of bolt 36 traverse, preferably unthreaded hole (not shown) in the top side of depression 12.As it can be seen, this support plate 34 can also be formed with indicating mechanism 342, be the arrow form of hollow out at this, to indicate operator to insert chopper by correct direction.
The embodiment of the installation method of breaker assembly 100 according to the present invention is described below.With reference to shown in Fig. 1 and 2; it is fixed to chopper 2 alternately through by support 35; thus the lever construction 33 of safety guard 3 is rotatably mounted to this chopper 2; and the first lever end that push rod 31 is mounted to lever construction 33 is connected; and insert in the hole of chopper 2, and the spring 311 that is reset is biased into spaced apart with release lever.Or, it is provided that a release unit, it is combined with this chopper 2, lever construction 33 and push rod 31 as described above.
Correspondingly, being bearing on circuit breaker base 1 by elastic component 37 by control imitated structure 32 and support plate 34, especially screwed hole 341 part of support plate 34 is maintained at the downside of depression 12.
Hereafter, chopper 2 and lever construction 33 are inserted in circuit breaker base 1, especially by the mode alignd away from function contour segment side of alignment pin 351 and gauge finder lever construction 33 inserted in the inner chamber 11 of circuit breaker base 1.In the starting stage inserted, effect due to back-moving spring 311, first bearing pin 331 is maintained at lower position, thus the second bearing pin 332 compared to the second function contour segment 332 more by control imitated structure 32 inside, thus first the second bearing pin 332 contacts the first function contour segment 321, and slide on.By being obliquely installed of this first function contour segment 331, it facilitates the second function contour segment 322 facilitating described second bearing pin 332 to slide onto " highlighting ".Whereby, when being further inserted into chopper 2, second bearing pin 332 is by the second function contour segment 332 " outwardly " motion (towards right side in figure), so that the first bearing pin 331 tends to move upward, and thus make push rod 31 overcome the effect of back-moving spring 331 to move (between the first bearing pin 331 and elongated waist hole 312, also can have relative motion) upward, thus when the second bearing pin 332 slides on the second straight function contour segment 322, the position (Fig. 1) that push rod 31 remains in the up, and abut release lever 21, so that the chopper closed a floodgate (if) thread off and keep opening a sluice gate, and now operator can not operate combined floodgate.In an illustrated embodiment, at chopper 2 fully inserted position (Fig. 1), the second bearing pin 332 comes the second function contour segment 322 end, and now chopper 2 abuts the lower wall (Fig. 1) of depression 12.
Afterwards, draw bolt structure can be passed through, namely by being screwed into bolt 36, bolt 36 is engaged with the screwed hole 341 of support plate 34, and make support plate 34 and control the upper side wall (Fig. 2) that imitated structure 32 overcomes the biasing force of elastic component 37 to move upward and abuts depression 12, now not only achieve the fastening of chopper 2 and circuit breaker base 1, the more important thing is can also make the second bearing pin 332 slip into the 3rd function contour segment 323 of " inclination " by this tightening action, so can allow the second bearing pin 332 " inwardly " motion, and the first bearing pin 331 moves downward, thus push rod 31 moves towards the direction away from release lever 21 and the Small Distance of interval one safety with it.Now, operator can and when well fastening freely close a floodgate chopper fully-inserted at chopper, and safety guard 3 now will not interfere with the work of chopper.Visible, this bolt mechanism plays on the one hand and is close to chopper 2 for described control imitated structure 32 mobile after chopper 2 inserts, and and then makes lever construction 33 and push rod 31 move away the shift function of release lever 21；Also acting as on the other hand is fastened on chopper 2 by described control imitated structure 32 and the retention mechanism being anchored on circuit breaker base by chopper 2.Although bolt mechanism simultaneously works as above-mentioned two function in an illustrated embodiment, but people will occur to separately provide Liang Ge mechanism, i.e. shift mechanism and retention mechanism to realize above-mentioned functions.Although in an illustrated embodiment, supporting and the fastening of support plate (and and then controlling imitated structure) are provided respectively by arranging the top and bottom sidewall of depression 12, but it is also contemplated that arrange be open upwards step, such as twin-stage step, it is positioned on topping bar when chopper is fully-inserted, and now support plate is positioned at and gets out of a predicament or an embarrassing situation, shift mechanism makes the displacement of support plate will be limited by chopper self.
Although in an illustrated embodiment, after chopper 2 inserts, the second bearing pin 332 stays the second function contour segment 322, but may be designed so that the second bearing pin 332 enters the 3rd function contour segment 323 in the latter stage inserted, then pass through the translocation of bolt mechanism, second bearing pin 332 is slided further in the 3rd function contour segment 323, or slip into further, in such as the 4th function contour segment (not shown) with guarantee push rod 31 after fastening is installed spaced apart with release lever 21 safely.
Although in an illustrated embodiment; safety guard is described as the device independent of circuit breaker base 1 and/or chopper 2 of breaker assembly 100; but people are it is apparent that the part or all of function of this safety guard can be provided by circuit breaker base and/or chopper, and this circuit breaker base with present inventive concept and/or chopper still fall within the scope of the present invention.Such as; one chopper is integrated with the lever construction of this safety guard and presumable lever construction support; and it is applicable to such as controlling imitated structure or being provided with or be integrated with the circuit breaker base controlling imitated structure according to the safety guard of the present invention; then this chopper falls in scope; equally, the circuit breaker base of this integrating control imitated structure falls within the scope of the present invention.Below it is only the device example being combined with inventive concept, rather than limit, the scope of the invention book and equivalency thereof.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any those skilled in the art, the equivalent variations made under without departing from the design of the present invention and the premise of principle, amendment and combination, the scope of protection of the invention all should be belonged to.
Claims (14)
1. the safety guard (3) for chopper (2), this chopper (2) is configured to can be inserted in circuit breaker base (1) and be connected electrically, and this safety guard (3) including:
Push rod (31), is configured to removable to abut or to depart from the tripping mechanism of described chopper (2)；
Being supported in the control imitated structure (32) on this circuit breaker base (1), this control imitated structure includes multiple function contour segment (321,322,323)；
It is rotatably mounted to the lever construction (33) of described chopper (2), described lever construction (33) has the first lever end and the second lever end, first lever end connects described push rod (31), second lever end is configured to slidably abut described function contour segment
Inserting in the process of circuit breaker base (1) at described chopper (2), the second lever end slides to promote this push rod (31) abut described tripping mechanism and forbid that described tripping mechanism works at least one in described function contour segment.
2. safety guard according to claim 1 (3), is characterized in that, also include:
The shift mechanism of this chopper (2) it is close to for described control imitated structure (32) mobile after this chopper (2) inserts；With
For described chopper (2) being fastened on the retention mechanism on this circuit breaker base (1),
Described control imitated structure (32) be configured to close to and allow described lever construction (33) when being fastened to described chopper (2) and allow for described push rod (31) motion, make described push rod (31) and this tripping mechanism be spaced a distance.
3. safety guard according to claim 2 (3), is characterized in that, also include being placed on described circuit breaker base (1) and be used for fixing the support plate (34) of described control imitated structure (32)；
Described shift mechanism is made up of bolt mechanism together with described retention mechanism, and described bolt mechanism includes fastening bolt (36) and the screwed hole (341) formed in described support plate.
4. safety guard according to claim 3 (3), it is characterized in that, described circuit breaker base (1) has the depression (12) of lateral openings, the at least threaded bore portions of described support plate (34) is arranged in described depression (12), the vertical dimension of described depression (12) is more than the vertical dimension of the threaded bore portions of described support plate (34), described support plate (34) is configured to be supported in the lower wall of described depression (12) and can be moved and abut the upper side wall of described depression (12) by described bolt mechanism when described chopper inserts.
5. safety guard (3) according to any one of claims 1 to 3, it is characterized in that, the plurality of function contour segment includes sequentially arrange first, second and the 3rd function contour segment (321, 322, 323), first function contour segment (321) facilitates the second lever end to slip into described second function contour segment (322) for the initial stage inserting this circuit breaker base (1) at described chopper (2), 3rd function contour segment (323) is configured to insert the latter stage of this circuit breaker base (1) at this chopper (2) or make this push rod move towards the direction away from this tripping mechanism by the second lever end afterwards.
6. safety guard according to claim 5 (3); it is characterized in that; second function contour segment (322) is straight contour segment, first and the 3rd function contour segment (321,323) be obliquely installed relative to the second function contour segment (322).
7. safety guard according to any one of claim 1 to 3 (3); it is characterized in that, described control imitated structure (32) is gauge finder, the plurality of function contour segment (321; 322,323) limited by the lateral edges of this gauge finder.
8. safety guard according to any one of claim 1 to 3 (3); it is characterized in that, be used for described control imitated structure (32) is maintained at this circuit breaker base (1) including the elastic component (37) connecting described control imitated structure and described circuit breaker base (1).
9. safety guard according to any one of claim 1 to 3 (3), is characterized in that, including the back-moving spring (311) being connected with described push rod for biasing described push rod (31) towards the direction away from this tripping mechanism.
10. safety guard according to claim 1 (3); it is characterized in that; described lever construction (33) has the first bearing pin (331) in the first lever end, and described push rod (31) has the waist hole (312) receiving described first bearing pin (331).
11. the safety guard (3) according to claim 1 or 10; it is characterized in that; described lever construction (33) has the second bearing pin (332) in the second lever end, and described second bearing pin (332) abuts described function contour segment with its outer peripheral face.
12. a breaker assembly (100), including: circuit breaker base (1)；It is configured to insert the chopper (2) of this circuit breaker base (1)；With the safety guard (3) according to any one of claim 1 to 11.
13. be configured to can be inserted into a chopper for circuit breaker base, wherein, described circuit breaker base is provided with the control imitated structure of multiple function contour segment, and described chopper includes:
There is the breaker body of tripping mechanism,
It is rotatably mounted to the lever construction of this breaker body, and
It is configured to abut or depart from the push rod of described tripping mechanism,
Wherein said lever construction has the first lever end and the second lever end, and the first lever end connects described push rod, and the second lever end is configured to slidably abut described function contour segment,
Described chopper is configured to, and when inserting this circuit breaker base and before electrically connecting with this circuit breaker base, the second lever end slides to promote this push rod abut described tripping mechanism and forbid that described tripping mechanism works on described function contour segment.
14. method chopper being arranged in circuit breaker base, comprise the steps:
Chopper is provided, described chopper includes the breaker body with tripping mechanism, it is rotatably mounted to the lever construction of this breaker body and is configured to abut or depart from the push rod of described tripping mechanism, described lever construction has the first lever end and the second lever end, and wherein the first lever end connects described push rod；
Thering is provided circuit breaker base, it includes the control imitated structure being supported on this circuit breaker base by elastic component, and described control imitated structure includes multiple function contour segment, and wherein said second lever end is configured to slidably abut described function contour segment；
Described chopper is inserted in described circuit breaker base so that described second lever end slides to promote push rod abut described tripping mechanism and forbid that described tripping mechanism works on described function contour segment；
After chopper inserts, make described control imitated structure close and chopper is fastened to circuit breaker base, to allow described lever construction also and then described pushrod movement, so that described push rod is at a distance with tripping mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241583.2A CN104241045B (en) | 2013-06-18 | 2013-06-18 | Safety guard for chopper |
| PCT/CN2014/079914 WO2014201980A1 (en) | 2013-06-18 | 2014-06-16 | Safety protection device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241583.2A CN104241045B (en) | 2013-06-18 | 2013-06-18 | Safety guard for chopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104241045A CN104241045A (en) | 2014-12-24 |
| CN104241045B true CN104241045B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310241583.2A Active CN104241045B (en) | 2013-06-18 | 2013-06-18 | Safety guard for chopper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104241045B (en) |
| WO (1) | WO2014201980A1 (en) |
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| US8415574B2 (en) * | 2008-02-21 | 2013-04-09 | Siemens Industry, Inc. | Multi-pole handle lock for circuit breakers |
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| CN202996741U (en) * | 2013-01-06 | 2013-06-12 | 华通机电股份有限公司 | Circuit breaker capable of automatic tripping in accessory mounting processes |
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| JPH08185782A (en) * | 1994-12-28 | 1996-07-16 | Mitsubishi Electric Corp | Circuit breaker |
| CN1520602A (en) * | 2002-05-22 | 2004-08-11 | 三菱电机株式会社 | Insertion type circuit breaker |
| KR20060021486A (en) * | 2004-09-03 | 2006-03-08 | 엘에스산전 주식회사 | A circuit braker |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104241045A (en) | 2014-12-24 |
| WO2014201980A1 (en) | 2014-12-24 |
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Effective date of registration: 20190619 Address after: Dublin, Ireland Patentee after: Eaton Intelligent Power Co.,Ltd. Address before: Ohio, Cleveland, USA Patentee before: Eaton Corp. |
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