CN204029746U - A kind of time delay adjustable circuit breaker - Google Patents

A kind of time delay adjustable circuit breaker Download PDF

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Publication number
CN204029746U
CN204029746U CN201420417490.0U CN201420417490U CN204029746U CN 204029746 U CN204029746 U CN 204029746U CN 201420417490 U CN201420417490 U CN 201420417490U CN 204029746 U CN204029746 U CN 204029746U
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China
Prior art keywords
regulating
driving
circuit breaker
adjusting
time delay
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Withdrawn - After Issue
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CN201420417490.0U
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Chinese (zh)
Inventor
江华华
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CHINT GROUP Co Ltd
Zhejiang Chint Electrics Co Ltd
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CHINT GROUP Co Ltd
Zhejiang Chint Electrics Co Ltd
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Priority to CN201420417490.0U priority Critical patent/CN204029746U/en
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Abstract

Time delay adjustable circuit breaker, comprise that driving member, rotation adjustment device, trip gear, thermo-magnetic system and with adjustable triggering part are arranged on to rotatable and rectilinear movement the regulating part on driving member, the trip rod on driving face mechanical couplings, trigger unit and trip gear on adjusting rod mechanical couplings, adjusting range and the driving member of its regulating tank and rotation adjustment device or the part mechanical couplings that is triggered by rotating hole.The first distance adjusting mechanism is located between the adjusting range of regulating part and the driving face of driving member, and/or second distance governor motion be located at the trigger unit of regulating part and the trip rod of trip gear or and be triggered between part, make the first distance and/or second distance move axially to realize current setting with regulating part and regulate coverage, thereby make to regulate the impact that is no longer subject to mechanism and shell structure, adjustment stroke is larger, and structural design is simple, convenient processing and manufacture, stable work in work.

Description

A kind of time delay adjustable circuit breaker
Technical field
The utility model relates to a kind of moulded case circuit breaker, is specifically related to the adjustable circuit breaker of a kind of overload setting value time delay.
Background technology
The circuit breaker that overload setting value is adjustable generally comprises housing, and overload adjusting system, containing the tripping mechanism of draw bar; Overload adjusting system and being all fixed on housing containing the tripping mechanism of draw bar.Circuit breaker overload setting value is by the distance between the adjustment screw and the draw bar that transship on adjusting system, and on draw bar, the distance being triggered between part on triggering face and tripping mechanism determines jointly, and distance size is relevant with the big or small forward of setting value.Adjusting accuracy and the stability of the circuit breaker that current overload setting value is adjustable often do not pass a test, processing and manufacturing, adjustment difficulty, and production efficiency is low.
The adjustable circuit breaker of a kind of existing overload setting value, it arranges respectively the totally three place inclined-planes corresponding with every phase adjustment screw on draw bar, by regulating draw bar to move axially to change the distance between adjustment screw and this inclined-plane, three places of draw bar, regulate overload setting value object thereby reach.This existing design need to regulate three inclined-plane, place and adjustment screw simultaneously, and distance between inclined-plane and the adjustment screw of every phase is all consistent, and conventional production process is difficult to the synchronism that ensures that three-phase is adjusted at all.In addition,, by regulate the distance between three trigger board and touch part regulate delayed alarm or cut off circuit simultaneously, degree of regulation is low and processing cost is high, easily causes the improper cut-out of circuit or the technical problem of warning.
The adjustable circuit breaker of another kind of existing time delay, on its draw bar, triggering face is provided with distance adjustment face, by regulating draw bar to move axially to change the coverage being triggered between parts and distance adjustment face on tripping mechanism, thereby reach the object that regulates overload setting value.But because being still by adjusting device, this circuit breaker directly regulate draw bar to move axially to realize adjusting object; Therefore the axial adjustment stroke that direct mobile draw bar causes is limited, substantially only has 5mm left and right, adjustment stroke is little, and then cause degree of regulation not high, and be subject to the restriction of support, magnetictrip and the shell structure of fixed traction bar on tripping mechanism, draw bar moves axially with housing matching part cannot arrange phase insulation spacer assembly, has certain potential safety hazard.In addition, draw bar processing mold, except X-direction on deciliter, also need be loosed core to setting in Y-axis and Z axis two individualities, and mould too complexity is unfavorable for processing, and processing cost is high.
Utility model content
The purpose of this utility model is to provide a kind of time delay adjustable circuit breaker, and structural design is simple, convenient processing and manufacture, accommodation accuracy are high and stable performance, has overcome the variety of issue that above-mentioned prior art exists.
For this reason, the utility model has adopted following technical scheme.
A kind of time delay adjustable circuit breaker, comprise the driving member 30 being pivoted in Shell of circuit breaker 10, rotation adjustment device 40 and trip gear 60, described housing 10 comprises for the pedestal of fixing described trip gear 60 and thermo-magnetic system 20 and supporting lid with it, on described thermo-magnetic system 20, being provided with that be heated can diastrophic bimetal leaf 21 and be fixed on the adjustable triggering part 22 on the movable terminal of bimetal leaf 21, this time delay adjustable circuit breaker also comprises a regulating part 50, it is arranged on described driving member 30 in mode rotatable and rectilinear movement by its rotating hole 56, adjusting rod 43 mechanical couplings of the regulating tank 51 on described regulating part 50 and described rotation adjustment device 40, this regulating part 50 of rotating drive of rotation adjustment device 40 is moved along the axis direction of its rotating hole 56, driving face 31 mechanical couplings on adjusting range 52 on described regulating part 50 and described driving member 30, make moving axially of regulating part 50 can drive regulating part 50 self to rotate, and, the trip rod 61 on trigger unit on described regulating part 50 54 and described trip gear 60 or with part 62 mechanical couplings that are triggered, make the rotation of described regulating part 50 can drive trip gear 60 to rotate, between driving face 31 on adjusting range 52 on regulating part 50 described in the first distance adjusting mechanism is arranged on and described driving member 30, and/or second distance governor motion is arranged on the trip rod 61 on trigger unit 54 on described regulating part 50 and described trip gear 60 or is triggered between part 62, make first between described adjusting range 52 and driving face 31 apart from and/or described trigger unit 54 and trip rod 61 or the second distance that is triggered between part 62 realize the adjusting of current setting along with moving of described regulating part 50.
Preferably, the movement that described regulating part 50 changes adjustable range comprises the movement of direction axial or perpendicular to axial direction.
Preferably, described regulating part 50 is slidably mounted on by its rotating hole 56 on the axle 80 of driving member 30, and described axle 80 is fixedly connected in two opposed fixing holes 301 on driving member 30.
Preferably, on described driving member 30, be provided with confined planes 342, confined planes 341 that driving member 30 can only be rotated in the angular range of restriction, and mutual opposed phase insulation isolation 33.
Preferably, be provided with the plane 32 matching with adjustable triggering part 22 of described thermo-magnetic system 20 on described driving member 30, and described adjustable triggering part 22 is not while triggering, its axis is substantially vertical with described plane 32.
Further preferred, inclined-plane or multistage cascaded surface can be set on the driving face 31 of described driving member 30, described driving face 31 is changed or tilt variation along the axial step of described driving member 30, or inclined-plane or multistage cascaded surface can be set in the adjusting range 542 of the trigger unit 54 of described regulating part 50, described adjusting range 542 is changed or tilt variation along the axial step of described regulating part 50.
Preferably, the trigger unit 54 on described regulating part 50 can comprise the triggering end face 541 or the adjusting range 542 that coordinate with part 62 machineries that are triggered on described trip gear 60.
Preferably, the adjusting rod 43 of described rotation adjustment device 40 is arranged in the regulating tank 51 on described regulating part 50 prejudicially, make the rotation of described rotation adjustment device 40 drive its adjusting rod 43 to do circular motion around the pivot of described rotation adjustment device 40 prejudicially, drive described regulating part 50 to move along the axis direction of its rotating hole 56.
Preferably, described regulating part 50 is positioned on the locating surface 35 on driving member 30 by the cambered surface 53 on it, or described regulating part 50, by the spring-force driven dual of the retainer spring 70 on it, makes the adjusting plane 52 on regulating part 50 contact all the time with the driving face 31 on driving member 30.
Further preferred, on described regulating part 50, comprise the limited step 55 that limits described retainer spring 70.
The utility model is owing to having increased regulating part 50, move axially to realize adjusting coverage by regulating part 50, thereby be no longer subject to the impact of breaker mechanism and shell structure, therefore adjustment stroke, than the obvious increase of existing product, is more conducive to increase the accuracy regulating.Secondly, the utility model utilizes driving member 30, rotation adjustment device 40, trip gear 60 all to only have a rotational freedom and that can not also produce without axially movable structure and highly servo-actuated property mutually regulating part, can be in realizing the cooperation that ensures degree of regulation, can also ensure convenient processing and assembling between driving member 30, rotation adjustment device 40, trip gear 60 and regulating part 50, simultaneously can be in alternate increase insulation isolation 33.
Brief description of the drawings
From the description of accompanying drawing illustrated embodiment, can more clearly find out advantage of the present utility model and feature, wherein:
Fig. 1 is the overall schematic perspective view of time delay adjustable circuit breaker of the present utility model.
Fig. 2 is the driving member perspective view in first embodiment of time delay adjustable circuit breaker of the present utility model.
Fig. 3 is the driving member opposite side perspective view in first embodiment of time delay adjustable circuit breaker of the present utility model.
Fig. 4 is the perspective view of the rotation adjustment device in time delay adjustable circuit breaker of the present utility model.
Fig. 5 is the regulating part perspective view in first embodiment of time delay adjustable circuit breaker of the present utility model.
Fig. 6 is the perspective view cooperatively interacting between driving member, regulating part and trip gear in first embodiment of time delay adjustable circuit breaker of the present utility model.
Fig. 7 is that time delay adjustable circuit breaker middle distance adjusting range of the present utility model is the schematic diagram of multi-stage stairs face.
Fig. 8 is the schematic diagram that time delay adjustable circuit breaker middle distance adjusting range of the present utility model is inclined-plane.
Fig. 9 is regulating part perspective view in second embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 10 is the perspective view cooperatively interacting between driving member, regulating part and trip gear in second embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 11 is regulating part perspective view in the 3rd embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 12 is driving member perspective view in the 3rd embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 13 is the perspective view cooperatively interacting between driving member, regulating part and trip gear in the 3rd embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 14 is regulating part perspective view in the 4th embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 15 is the perspective view cooperatively interacting between driving member, regulating part and trip gear in the 4th embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 16 is regulating part perspective view in the 5th embodiment of time delay adjustable circuit breaker of the present utility model.
Figure 17 is the perspective view cooperatively interacting between driving member, regulating part and trip gear in the 5th embodiment of time delay adjustable circuit breaker of the present utility model.
Embodiment
Further illustrate the embodiment of time delay adjustable circuit breaker of the present utility model below in conjunction with Figure of description, time delay adjustable circuit breaker of the present utility model is not limited to the description of following examples.
Time delay adjustable circuit breaker of the present utility model shown in Fig. 1 comprises the driving member 30, rotation adjustment device 40 and the trip gear 60 that are pivoted on Shell of circuit breaker 10, described housing 10 comprises for the pedestal of fixing described trip gear 60 and thermo-magnetic system 20 and supporting lid with it, being provided with that be heated can diastrophic bimetal leaf 21 and be fixed on the adjustable triggering part 22 on the movable terminal of bimetal leaf 21 on described thermo-magnetic system 20.Time delay adjustable circuit breaker of the present utility model has increased a regulating part 50, it is arranged on described driving member 30 in mode rotatable and rectilinear movement by its rotating hole 56, adjusting rod 43 mechanical couplings of the regulating tank 51 on described regulating part 50 and described rotation adjustment device 40, make this regulating part 50 of rotating drive of rotation adjustment device 40 move along the axis direction of its rotating hole 56; Driving face 31 mechanical couplings on adjusting range 52 on described regulating part 50 and described driving member 30, make moving axially of regulating part 50 can drive this regulating part 50 self to rotate; And trip rod 61 or part 62 mechanical couplings that are triggered on the trigger unit 54 on described regulating part 50 and described trip gear 60, make the rotation of described regulating part 50 can drive trip gear 60 to rotate; Between driving face 31 on adjusting range 52 on regulating part 50 described in the first distance adjusting mechanism is arranged on and described driving member 30, and/or second distance governor motion is arranged on the trip rod 61 on trigger unit 54 on described regulating part 50 and described trip gear 60 or is triggered between part 62, make first between described adjusting range 52 and driving face 31 apart from and/or described trigger unit 54 and trip rod 61 or the second distance that is triggered between part 62 realize the adjusting of current setting along with moving of described regulating part 50.
Adjustable triggering part 22 of thermo-magnetic system 20 can adopt the triggering part of type known, example adjustment screw 22 as shown in Figure 1, on driving member 30, be provided with the plane 32 (referring to Fig. 3) matching with adjustable triggering part 22 of described thermo-magnetic system 20, and before the described not stressed motion of adjustable triggering part 22, its axis is substantially vertical with described plane 32, and plane 32 can be multiple.Overload setting value by the adjustment screw on this overload adjusting system regulate 22 and corresponding plane 32 between distance, this is apart from size and the positive correlation of setting value size.Driving member 30 of the present utility model is pivoted in the housing 10 of circuit breaker, driving member 30 after installation only has a kinematic pair can only rotate around axis, and can only allow to rotate in the angular range of restriction around axis, can not axially move, be to only have a rotational freedom after driving member 30 is installed, therefore phase insulation isolation 33 (seeing Fig. 2) can be conveniently set on driving member 30.Rotation adjustment device 40 is pivoted on the housing 10 of circuit breaker, rotation adjustment device 40 after installation only has a kinematic pair can only rotate around axis, can not axially move, it is example that rotation adjustment device 40 shown in Fig. 4 adopts knob, it comprises the rotary body 42 coordinating with lid, direction 44, positive stop lug boss 41 and can insert the adjusting rod 43 of the regulating tank 51 on regulating part 50 (seeing Fig. 5), on regulating part 50 shown in Fig. 5, correspondence is provided with the regulating tank 51 matching with adjusting rod 43, rotating hole 56 and the adjusting range 52 matching with the driving face 31 (seeing Fig. 2) on driving member 30 and (see Fig. 6 with the trip rod 61 on trip gear 60, 10) trigger unit 54 coordinating, trip rod 61 on trip gear 60 can only rotate, can not axially move, the snap close mechanical couplings of trip gear 60 and circuit breaker operation mechanism.In addition, as shown in Figure 13,15,17, on trip gear 60, can also comprise the part 62 that is triggered, trigger unit 54 on regulating part 50 can also comprise triggering end face 541 (seeing Figure 14,16) or adjusting range 542 (seeing Figure 11), and they all can be used for and part 62 mechanical couplings that are triggered.Rotation adjustment device 40 can drive adjusting rod 43 on it in the interior rotation of described regulating tank 51, due to adjusting rod 43 eccentric setting on described rotary body 42, therefore can drive regulating part 50 moving axially along its rotating hole 56.Specifically, the adjusting rod 43 of described rotation adjustment device 40 is arranged in the regulating tank 51 on described regulating part 50 prejudicially, make the rotation of described rotation adjustment device 40 drive its adjusting rod 43 to do circular motion around the pivot of described rotation adjustment device 40 prejudicially, drive described regulating part 50 to move along the axis direction of its rotating hole 56.Preferably, the movement that described regulating part 50 changes adjustable range comprises the movement of direction axial or perpendicular to axial direction.Multistage cascaded surface (seeing Fig. 7) or inclined-plane (seeing Fig. 8) can be set on the driving face 31 of described driving member 30, described driving face 31 is changed or tilt variation along the axial step of described driving member 30, when regulate described regulating part 50 by knob adjusting device 40, described regulating part 50 is moved along driving face 31, because driving face 31 is inclined-plane or multi-stage stairs face, regulating part 50 is except along axis direction moves, distance between regulating part 50 and driving member 30 changes, trigger unit 54 on corresponding regulating part 50 can also comprise that triggering end face 541 (sees Figure 14 thereupon, 16) or adjusting range 542 (seeing Figure 11), trip rod 61 on trip gear 60 or the distance being triggered between part 62 also can change thereupon, thereby realize required adjusting coverage.Visible, owing to having increased regulating part 50, just can realize required adjusting coverage by moving axially of regulating part 50, thereby needn't be subject to again the impact of breaker mechanism and shell structure, therefore can obtain larger adjustment stroke.
The first execution mode
Referring to Fig. 1-8 explanation the first execution mode of the present utility model, driving member 30 is referring to the first execution mode shown in Fig. 2,3, except the plane 32 matching with triggering part 22, confined planes 342 (seeing Fig. 3) and confined planes 341 (seeing Fig. 2) and mutual opposed phase insulation isolation 33 that described driving member 30 also includes driving face 31, locating surface 35, driving member 30 can only be rotated in the angular range of restriction.As shown in Figure 5,6, described regulating part 50 is arranged on driving member 30 by rotating hole 56, and regulating part 50 also comprises a cambered surface 53 matching with locating surface 35, and it is positioned on the locating surface 35 on driving member 30 by the cambered surface 53 on it.Regulating part 50 also comprises a trigger unit 54 (seeing Fig. 5) coordinating with the corresponding machinery of trip rod 61 (seeing Fig. 6) on trip gear 60.In the present embodiment, taking the distance between the adjusting range 52 of regulating part 50 and the driving face 31 of driving member 30 as adjustable range, rotation adjustment device 40 can drive regulating part 50 to move along the axis of its rotating hole 56, because driving face 31 is set to inclined-plane or multi-stage stairs face (is shown in Fig. 7, 8), driving face 31 is changed or tilt variation along the axial step of driving member 30, therefore described regulating part 50 is except along axis direction moves, distance between regulating part 50 and driving member 30 changes, distance between trigger unit 54 on corresponding regulating part 50 and the trip rod 61 on trip gear 60 also can change thereupon thereupon, thereby realize required adjusting coverage.Regulate coverage larger, the electric current that correspondence is adjusted is larger, otherwise, regulate coverage less, the electric current that correspondence is adjusted is less.In the present embodiment, the numbers of steps of driving face 31 is set to three grades, and corresponding adjusting electric current is rated current 1.0 times respectively, 0.9 times and 0.8 times.
The second execution mode
Referring to Fig. 1-4,7-10, the second execution mode of the present utility model is described, regulating part 50 as shown in Figure 9, in the present embodiment, on regulating part 50, except being provided with the regulating tank 51 matching with the adjusting rod 43 of rotation adjustment device 40 and the adjusting range 52 matching with driving face 31, be also provided with the trigger unit 54 coordinating with trip rod 61 machineries on trip gear 60.Different from the first execution mode, a cambered surface 53 matching with locating surface 35 is not set on described regulating part 50, but is further preferably provided with the limited step 55 for limiting retainer spring 70.
The installation relation of regulating part 50 and driving member 30 and trip gear 60 as shown in figure 10, regulating part 50 can axially movably be arranged on by its rotating hole 56 on the axle 80 of driving member 30, and described regulating part 50 is fixedly connected between two opposed fixing holes 301 on driving member 30 (seeing Fig. 2) by described axle 80.Be subject to the spring-force driven dual of the retainer spring 70 on rotating shaft 80, the adjusting range 52 of regulating part 50 contacts all the time with the driving face 31 of driving member 30.For ensureing that the adjusting range 52 of regulating part 50 and the driving face 31 of driving member 30 contact all the time, the present embodiment medi-spring can preferably be set to torsion spring, but the use of spring is not limited to torsion spring.In this example, taking the distance between the trigger unit 54 of regulating part 50 and the trip rod 61 of trip gear 60 as adjustable range, rotation adjustment device 40 can drive regulating part 50 moving axially along its rotating hole 56, because driving face 31 is set to inclined-plane or multi-stage stairs face (seeing Fig. 7,8), driving face 31 is changed or tilt variation along the axial step of driving member 30, therefore described regulating part 50 is except along axis direction moves, distance between regulating part 50 and driving member 30 also can change thereupon, thereby realizes required adjusting coverage.Regulate coverage larger, the electric current that correspondence is adjusted is larger, otherwise, regulate coverage less, the electric current that correspondence is adjusted is less.In the present embodiment, the numbers of steps of driving face 31 is set to three grades, and corresponding adjusting electric current is rated current 1.0 times respectively, 0.9 times and 0.8 times.
The 3rd execution mode
Referring to Fig. 1,3,4,7,8,11-13, the 3rd execution mode of the present utility model is described, in the present embodiment, on driving member 30, be provided with driving face 31 (seeing Figure 12), and on driving member 30 except being provided with confined planes 342 (seeing Fig. 3), also be provided with confined planes 341 (seeing Figure 12), driving member 30 can only be rotated in the angular range of restriction.The part 62 (seeing Figure 13) that is triggered that is provided with trip rod 61 on trip gear 60 and coordinates with adjusting range 542 machineries in trigger unit 54.Regulating part 50 (seeing Figure 11) is upper except being provided with regulating tank 51, rotating hole 56, the adjusting range 52 coordinating with driving face 31 matching with adjusting rod 43 and limiting the limited step 55 of retainer spring 70, also comprise the adjusting range 542 in the trigger unit 54 matching with the part 62 that is triggered on trip gear 60 as shown in figure 13, preferably, inclined-plane or multi-stage stairs face can be set in the adjusting range 542 of the trigger unit 54 of described regulating part 50, described adjusting range 542 is changed or tilt variation along the axial step of described regulating part 50.
In the present embodiment, as shown in figure 13, regulating part 50 is arranged on driving member 30 by rotating shaft 80, be subject to the spring-force driven dual of retainer spring 70, the adjusting range 52 of regulating part 50 contacts all the time with the driving face 31 of driving member 30, taking the adjusting range 542 of regulating part 50 and the distance being triggered between part 62 of trip gear 60 as adjustable range, rotation adjustment device 40 can drive regulating part 50 to move along the axis direction of rotating shaft 80, because the adjusting range 542 in the present embodiment changes or tilt variation along the axial step of rotating shaft 80, therefore above-mentioned adjustable range can change along with moving axially of regulating part 50.Regulate coverage larger, the electric current that correspondence is adjusted is larger, otherwise, regulate coverage less, the electric current that correspondence is adjusted is less.The numbers of steps of the adjusting range 542 of Figure 11 is set to three grades, and corresponding adjusting electric current is rated current 1.0 times respectively, 0.9 times and 0.8 times.
The 4th execution mode
Referring to Fig. 1-4,7,8,14-15, the 4th execution mode of the present utility model is described, in the present embodiment, on trip gear 60, is provided with trip rod 61 and is triggered part 62 (seeing Figure 15).On regulating part 50 (seeing Figure 14), be provided with the regulating tank 51, the rotating hole 56 that match with adjusting rod 43, the adjusting range 52 matching with driving face 31, the triggering end face 541 in the cambered surface 53 matching with locating surface 35 and the trigger unit 54 that coordinates with the part 62 that is triggered on trip gear 60.
As shown in figure 15, regulating part 50 is arranged on driving member 30 by rotating shaft 80, regulating part 50 is positioned at by cambered surface 53 on the locating surface 35 of driving member 30, in the present embodiment, taking the distance between adjusting range 52 and the driving face 31 of regulating part 50 as adjustable range, rotation adjustment device 40 can drive regulating part 50 moving axially along its rotating shaft 80, because driving face 31 is set to inclined-plane or multi-stage stairs face (is shown in Fig. 7, 8), driving face 31 is changed or tilt variation along the axial step of driving member 30, therefore described regulating part 50 is except along axis direction moves, distance between regulating part 50 and driving member 30 changes, triggering end face 541 on corresponding regulating part 50 and the distance being triggered between part 62 on trip gear 60 also can change thereupon thereupon, thereby realize required adjusting coverage.Regulate coverage larger, the electric current that correspondence is adjusted is larger, otherwise, regulate coverage less, the electric current that correspondence is adjusted is less.In the present embodiment, the numbers of steps of driving face 31 is set to three grades, and corresponding adjusting electric current is rated current 1.0 times respectively, 0.9 times and 0.8 times.
The 5th execution mode
Referring to Fig. 1-4,7,8,16-17, the 5th execution mode of the present utility model is described, in the present embodiment, on trip gear 60, is provided with trip rod 61 and is triggered part 62 (seeing Figure 17).The adjusting range 52 that be provided with the regulating tank 51 that matches with adjusting rod 43, rotating hole 56 on regulating part 50 (seeing Figure 16), matches with driving face 31, and the limited step 55 of restriction retainer spring 70, the triggering end face 541 in the trigger unit 54 coordinating with the part 62 that is triggered on trip gear 60 in addition.
As shown in figure 17, regulating part 50 is arranged on driving member 30 by rotating shaft 80, be subject to the spring-force driven dual of retainer spring 70, the adjusting range 52 of regulating part 50 contacts all the time with the driving face 31 of driving member 30, in the present embodiment, taking the distance between adjusting range 52 and the driving face 31 of regulating part 50 as adjustable range, rotation adjustment device 40 can drive regulating part 50 moving axially along its rotating shaft 80.Because driving face 31 is set to inclined-plane or multi-stage stairs face (seeing Fig. 7,8), driving face 31 is changed or tilt variation along the axial step of driving member 30, therefore described regulating part 50 is except along axis direction moves, distance between regulating part 50 and driving member 30 also can change thereupon, thereby realizes required adjusting coverage.Regulate coverage larger, the electric current that correspondence is adjusted is larger, otherwise, regulate coverage less, the electric current that correspondence is adjusted is less.In the present embodiment, the numbers of steps of driving face 31 is set to three grades, and corresponding adjusting electric current is rated current 1.0 times respectively, 0.9 times and 0.8 times.
In above-mentioned the 3rd to the 5th execution mode, the part 62 that is triggered on described trip gear 60 is the parts that swing around its orientation axis, preferably, the trigger unit 54 on described regulating part 50 comprises the triggering end face 541 or the adjusting range 542 that coordinate with part 62 machineries that are triggered on described trip gear 60.This part 62 that is triggered coordinates with triggering end face 541 machineries of trigger unit 54, or coordinates with adjusting range 542 machineries of trigger unit 54 on regulating part 50.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model, and specific embodiment also can have other classification.For example, described distance adjustment can adopt the first distance adjusting mechanism to realize, and also can adopt second distance governor motion to realize, and can also adopt the first distance adjusting mechanism and second distance governor motion to realize simultaneously simultaneously.May be summarized to be: between the driving face 31 on the adjusting range 52 on the regulating part 50 described in the first distance adjusting mechanism is arranged on and described driving member 30, and/or second distance governor motion is arranged on the trip rod 61 on trigger unit 54 on described regulating part 50 and described trip gear 60 or is triggered between part 62, make first between described adjusting range 52 and driving face 31 apart from and/or described trigger unit 54 and trip rod 61 or the second distance that is triggered between part 62 realize the adjusting of current setting along with moving of described regulating part 50.For those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description, and these belong to apparent variation or the variation that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims (10)

1. a time delay adjustable circuit breaker, comprise the driving member (30), rotation adjustment device (40) and the trip gear (60) that are pivoted on Shell of circuit breaker (10), described housing (10) comprises for the pedestal of fixing described trip gear (60) and thermo-magnetic system (20) and supporting lid with it, on described thermo-magnetic system (20), being provided be heated can diastrophic bimetal leaf (21) and be fixed on the adjustable triggering part (22) on the movable terminal of bimetal leaf (21), it is characterized in that:
One regulating part (50), it is arranged on described driving member (30) in mode rotatable and rectilinear movement by its rotating hole (56), adjusting rod (43) mechanical couplings of the regulating tank (51) on described regulating part (50) and described rotation adjustment device (40), makes this regulating part of rotating drive (50) of rotation adjustment device (40) move along the axis direction of its rotating hole (56); Driving face (31) mechanical couplings on adjusting range (52) on described regulating part (50) and described driving member (30), makes moving axially of regulating part (50) can drive regulating part (50) self to rotate; And, trip rod (61) on trigger unit (54) on described regulating part (50) and described trip gear (60) or with the part that is triggered (62) mechanical couplings, make the rotation of described regulating part (50) can drive trip gear (60) to rotate;
Between driving face (31) on adjusting range (52) on regulating part (50) described in the first distance adjusting mechanism is arranged on and described driving member (30), and/or second distance governor motion is arranged between the trip rod (61) or the part that is triggered (62) on trigger unit (54) on described regulating part (50) and described trip gear (60), make first between described adjusting range (52) and driving face (31) apart from and/or described trigger unit (54) and trip rod (61) or the part that is triggered (62) between second distance realize the adjusting of current setting along with moving of described regulating part (50).
2. time delay adjustable circuit breaker according to claim 1, is characterized in that: the movement of described regulating part (50) change adjustable range comprises the movement of direction axial or perpendicular to axial direction.
3. time delay adjustable circuit breaker according to claim 1, it is characterized in that: the axle (80) that described regulating part (50) is slidably mounted on driving member (30) by its rotating hole (56) is upper, and described axle (80) is fixedly connected in two the opposed fixing holes (301,301) on driving member (30).
4. time delay adjustable circuit breaker according to claim 1, it is characterized in that: on described driving member (30), be provided with confined planes (342) and confined planes (341) that driving member (30) can only be rotated in the angular range of restriction, and mutual opposed phase insulation isolation 33.
5. time delay adjustable circuit breaker according to claim 1, it is characterized in that: on described driving member (30), be provided with the plane (32) matching with adjustable triggering part (22) of described thermo-magnetic system (20), and when described adjustable triggering part (22) does not trigger, its axis is substantially vertical with described plane (32).
6. time delay adjustable circuit breaker according to claim 1, it is characterized in that: on the driving face (31) of described driving member (30), inclined-plane or multi-stage stairs face can be set, described driving face (31) is changed or tilt variation along the axial step of described driving member (30), or in the adjusting range (542) of the trigger unit (54) of described regulating part (50), inclined-plane or multistage cascaded surface can be set, described adjusting range (542) is changed or tilt variation along the axial step of described regulating part (50).
7. time delay adjustable circuit breaker according to claim 1, it is characterized in that: the adjusting rod (43) of described rotation adjustment device (40) is arranged in the regulating tank (51) of described regulating part (50) prejudicially, make the rotation of described rotation adjustment device (40) drive its adjusting rod (43) to do circular motion around the pivot of described rotation adjustment device (40) prejudicially, drive described regulating part (50) to move along the axis direction of its rotating hole (56).
8. time delay adjustable circuit breaker according to claim 1, it is characterized in that: described regulating part (50) is positioned on the locating surface (35) on driving member (30) by the cambered surface on it (53), or described regulating part (50), by the spring-force driven dual of the retainer spring (70) on it, makes the adjusting plane (52) on regulating part (50) contact all the time with the driving face (31) on driving member (30).
9. time delay adjustable circuit breaker according to claim 8, is characterized in that: on described regulating part (50), comprise the limited step (55) that limits described retainer spring (70).
10. time delay adjustable circuit breaker according to claim 1, is characterized in that: the trigger unit (54) on described regulating part (50) can comprise the triggering end face (541) or the adjusting range (542) that coordinate with the part that is triggered (62) machinery on described trip gear (60).
CN201420417490.0U 2014-07-25 2014-07-25 A kind of time delay adjustable circuit breaker Withdrawn - After Issue CN204029746U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143491A (en) * 2014-07-25 2014-11-12 正泰集团股份有限公司 Delay-adjustable breaker
CN104143491B (en) * 2014-07-25 2017-01-04 正泰集团股份有限公司 A kind of time delay adjustable circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143491A (en) * 2014-07-25 2014-11-12 正泰集团股份有限公司 Delay-adjustable breaker
CN104143491B (en) * 2014-07-25 2017-01-04 正泰集团股份有限公司 A kind of time delay adjustable circuit breaker

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