CN204315480U - The arrangement of clutch of electric operating mechanism of circuit-breaker - Google Patents
The arrangement of clutch of electric operating mechanism of circuit-breaker Download PDFInfo
- Publication number
- CN204315480U CN204315480U CN201420844020.2U CN201420844020U CN204315480U CN 204315480 U CN204315480 U CN 204315480U CN 201420844020 U CN201420844020 U CN 201420844020U CN 204315480 U CN204315480 U CN 204315480U
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- crank
- clutch
- manual operating
- manual
- clutch block
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Abstract
An arrangement of clutch for electric operating mechanism of circuit-breaker, belongs to low voltage electrical apparatus technology field.Electric operating mechanism of circuit-breaker comprises support; Motor, fix with the side of support, arrangement of clutch comprises clutch block, is located on motor output shaft; Crank, is nested with on motor output shaft; Elastic reset part, acts on crank; Manual operating, is nested with on motor output shaft, coordinates with crank; Crank is provided with manual operating fitting pin, manual operating is offered the direction recess holding manual operating fitting pin, direction recess has guiding surface, and when electric operating, crank is under the effect of elastic reset part, crank engages with clutch block, when operated, rotary manual operation board, makes the guiding surface of direction recess promote manual operating fitting pin, force crank to move downward, crank is removed with clutch block and engages.Without the need to increasing the operating procedure of manually excision motor during manual operation, the switching that breaker of plastic casing is electronic with manual can be realized.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, is specifically related to a kind of arrangement of clutch of electric operating mechanism of circuit-breaker.
Background technology
The electric operation mechanism for breaker with plastics casing with automatic reclosing function in prior art mostly adopts reducing motor as drive source, the convert rotational motion being made motor by the cooperation of wheel and rack is rectilinear motion, to order about circuit breaker handle the carrying out operation of splitting or integrating lock.When needs manual operation, so the meshing relation of wheel and rack is removed; When needs electric operating is as electric switch-on, so the meshing relation of wheel and rack is set up again.As existed in the process that again engages at wheel and rack, namely engagement is not in place engages insufficient phenomenon in the course of work of reality for the motor-operating mechanism of this version.In addition, motor-operating mechanism also has employing motor to drive circuit breaker handle to realize the version of splitting or integrating lock through crank connecting link, typically as application for a patent for invention publication number CN103177911A(application number is: " arrangement of clutch for circuit breaker " 201310123998.X) recommended and CN101763961A(application number are: " arrangement of clutch of switch and circuit breaker motor-operating mechanism " that 201010018286.8) provide, etc.With the former namely for CN103177911A, during manual operation, action bars is used to be depressed by lower connector, remove the connection of motor (reducing motor) and crank, this class formation is relevant with the operation familiarity of operator to this motor-operating mechanism, because this lower connector depression stroke easily undermines clutch time inadequate, collapse tooth situation as occurred, and even whole motor-operating mechanism cannot be used.Therefore the electric operating of this structure is not enough to the switching effect embodying the expectation between electric operating and manual operation ideally.
Summary of the invention
Task of the present utility model is that providing a kind of contributes to that simplify the operation step, automatically can excise the electric operating mechanism of circuit-breaker that motor connects when manual operation arrangement of clutch.
Task of the present utility model has been come like this, a kind of arrangement of clutch of electric operating mechanism of circuit-breaker, and described electric operating mechanism of circuit-breaker comprises a support; One motor, this motor and support towards under side fix, and the motor output shaft of this motor is stretched over the top of support, described arrangement of clutch comprises a clutch block, and this clutch block is being arranged on described motor output shaft corresponding to the position above described support; One crank, this crank is nested with on described motor output shaft with quick condition; One elastic reset part, this elastic reset part is nested with on described motor output shaft, and acts on crank crank is engaged with clutch block; One manual operating, this manual operating is being nested with on described motor output shaft corresponding to the position above described crank, and matches with crank; Described crank is fixedly installed manual operating fitting pin, described manual operating offers the direction recess holding manual operating fitting pin, this direction recess has guiding surface, when electric operating, described crank is under the effect of elastic reset part, crank is meshed with clutch block, and when operated, rotary manual operation board, the guiding surface of described direction recess is made to promote manual operating fitting pin, force crank to move downward, thus described crank is removed with clutch block engage.
In a specific embodiment of the present utility model, described crank includes a motorized motions plate, this motorized motions plate offers serrate slot, on described clutch block and the lower peripheral being positioned at clutch block is configured with around the circumferencial direction of clutch block the profile of tooth boss that quantity and shape and serrate slot equal with the quantity of serrate slot adapt, when electric operating, the serrate slot of described crank is in the state engaged each other with the profile of tooth boss of clutch block, and when operated, the serrate slot of described crank and the profile of tooth boss of clutch block are in the state mutually departed from.
In another specific embodiment of the present utility model, described motor output shaft is provided with a pivot pin, described clutch block offers a pivot pin connecting hole, probes in pivot pin connecting hole to use by pivot pin clutch block is connected with described motor output shaft.
In another specific embodiment of the present utility model, described crank also comprises driving shaft and upper mounted plate, upper mounted plate corresponds to the top of motorized motions plate and walks abreast with motorized motions plate, and driving shaft is fixed on the position at edge between upper mounted plate and motorized motions plate; The quantity of described manual operating fitting pin has a pair, this is fixed the lower end of manual cooperation pin and motorized motions plate, and upper end and upper mounted plate are fixed and lean out upper mounted plate and put in the direction recess of manual operating, a pair described manual operating fitting pin is separated by 180 ° around the circumferencial direction of described upper mounted plate.
In another specific embodiment of the present utility model, described guiding surface is two, be formed in the length direction of direction recess both sides and on mutually corresponding position, for leading to described manual operating fitting pin, when operated, when rotating described manual operating, promote described manual operating fitting pin by described guiding surface and make described crank to bottom offset, described serrate slot is in described profile of tooth boss the state removed each other and coordinate.
Also have in a specific embodiment of the present utility model, described direction recess also has confined planes, this confined planes is connected with described guiding surface, when operated, rotate described manual operating, described guiding surface promotes described manual operating fitting pin and makes described crank be moved down into described crank with clutch block to remove the degree engaged, and now described confined planes promotes described manual operating fitting pin and makes described crank.
More of the present utility model and in a specific embodiment, described crank also comprises fixed axis, this fixed axis is fixed on the position at edge between upper mounted plate and motorized motions plate, and fixed axis and driving shaft are separated by 180 ° around the circumferencial direction of motorized motions plate, and this motorized motions plate, upper mounted plate, driving shaft and fixed axis jointly coordinate and be configured with the container cavity of an accommodation clutch block.
In an of the present utility model and then specific embodiment, the upper end of described elastic reset part is bearing on described crank, and lower end supporting on the bracket.
In more of the present utility model and then specific embodiment, on described support and corresponding to the position of described manual operating, be fixed with one for the manual operating position-limited rack spacing to manual operating, offer one at the top of this manual operating position-limited rack and step down.
Of the present utility model again more and in a specific embodiment, described manual operating towards on side and be configured with tool operation flange for subsequent use corresponding to the position of described resigning hole, this tool operation flange for subsequent use is configured with a tool operation groove.
The technical scheme that the utility model provides can make crank remove with clutch block to coordinate when operator directly operates manual operating, thus during manual operation without the need to increasing the operating procedure of manually excision motor, the switching that breaker of plastic casing is electronic with manual can be realized, structure is simple, and has effect that is easy to operate and safety.
Accompanying drawing explanation
Fig. 1 is embodiment of the present utility model and application examples schematic diagram.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the stereochemical structure exploded view of arrangement of clutch of the present utility model.
The schematic diagram coordinated of the motorized motions plate that Fig. 4 is the crank shown in Fig. 3 and clutch block.
Fig. 5 is the schematic diagram of the manual operating shown in Fig. 3.
Fig. 6 is the relative position schematic diagram of manual operating under electric operating state and manual operating fitting pin.
Fig. 7 is the relative position schematic diagram of manual operating under manual operation state and manual operating fitting pin.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present utility model and beneficial effect, applicant will elaborate below by way of example, but not all the restriction to the utility model scheme to the description of embodiment, any according to being only pro forma but not substantial equivalent transformation and all should being considered as the technical solution of the utility model category done by the utility model design.
Refer to Fig. 1, one support 1 and a motor 2 of the structural system of electric operating mechanism of circuit-breaker has been shown in this Fig. 1, support 1 is arranged on circuit breaker in a state of use, the set-up mode be arranged on not shown circuit breaker due to support 1 belongs to known technology, and it is puzzled to produce to the understanding of those skilled in the art, and thus applicant repeats no more.Motor 2 adopts motor hold-down screw 22(Fig. 2 to show) with cantilever position and support 1 towards under side fix, and motor output shaft 21(Fig. 3 of this motor 2 shows) be possibly extending up to the top of support 1.Refer to Fig. 2, this Fig. 2 is the upward view of Fig. 1, and have clearly revealed aforesaid motor 2 by this Fig. 2.
Refer to Fig. 3, figure 3 illustrates a clutch block 3 of the structural system belonging to arrangement of clutch, for the location status shown in Fig. 3, this clutch block 3 to be nested with on aforementioned motor output shaft 21 and to be connected with motor output shaft 21 corresponding to the position above aforementioned brackets 1, rotates and rotate with motor output shaft 21; One crank 4, this crank 4 is nested with on aforementioned motor output shaft 21 with quick condition, and this crank 4 match with clutch block 3 when electric operating (engagement) and in manual operation time to remove with clutch block 3 and coordinate (remove and engage), the crank 4 that here applicant mentions is nested with quick condition and refers in the concept of motor output shaft 21: crank 4 is not connected with motor output shaft 21, but can move up and down; One elastic reset part 5, this elastic reset part 5 is nested with on motor output shaft 21, and acts on crank 4 and make it engage with clutch block 3, and the upper end of elastic reset part 5 is bearing on crank 4, and lower end is bearing on aforesaid support 1; One manual operating 6, this manual operating 6 is being nested with on motor output shaft 21 corresponding to the position above crank 4, and matches with crank 4.
Also show a carriage 7 of the structural system belonging to electric operating mechanism of circuit-breaker equally in FIG, carriage 7 comprises slide block 71 and a slide plate 72, slide block 71 is slidably arranged in aforementioned brackets 1, slide plate 72 is slidably arranged on slide block 71, the glide direction of slide plate 72 and the glide direction of slide block 71 perpendicular, and slide plate 72 matches with aforementioned crank 4.Slider waveguide rod 73 is fixed with on aforesaid support 1 and corresponding to the position of slide block 71, from diagram, the quantity of the slider waveguide rod 73 in the present embodiment has laterally parallel a pair (two), be located on support 1, specifically, the two ends of two slider waveguide rods 73 are each and support 1 is fixing, and the central region of two slider waveguide rods 73 is configured to the region for slide block 71 slip, and namely slide block 71 is disposed on two slider waveguide rods 73 slidably.When crank 4 rotary actuation slide plate 72 action, be with movable slider 71 to slide together by slide plate 72, thus drive circuit breaker handle splitting or integrating.
Refer to Fig. 4 and continue composition graphs 3, aforesaid motor output shaft 21 is provided with a pivot pin 211, aforesaid clutch block 3 offers a pivot pin connecting hole 32, probeing in (insertion) pivot pin connecting hole 32 to use by pivot pin 211 makes clutch block 3 be connected with motor output shaft 21, when electric operating, drive clutch block 3 by motor output shaft 21.
As shown in Figure 4, clutch block 3 is provided with in disc the profile of tooth boss dish 31 of structure, this profile of tooth boss dish 31 towards location status shown in the side of aforementioned brackets 1 and Fig. 4 towards under side and around the circumferencial direction of the clutch block centre bore 33 of clutch block 3 with space state or claim the profile of tooth boss 311 being configured with the surface being raised in profile of tooth boss dish 31 with radiation regimes.When realizing electric operating under the work of motor 2, aforementioned crank 4 matches (engagement) with profile of tooth boss 311, and when operating previous manual operation board 6 in a manual manner, aforementioned flexible return unit 5 compresses and uses and make crank 4 remove and the cooperation (engagement) of profile of tooth boss 311.
Continue to see Fig. 3 and Fig. 4, aforesaid crank 4 comprises motorized motions plate 41, upper mounted plate 44, manual operating fitting pin 42 and driving shaft 43, fixed axis 45, the quantity of manual operating fitting pin 42 is preferably a pair, this is fixed the lower end of manual cooperation pin 42 and motorized motions plate 41, and upper end and upper mounted plate 44 fixing and lean out upper mounted plate 44 and put in manual operating 6, a pair manual operating fitting pin 42 is separated by 180 ° around the circumferencial direction of described upper mounted plate 44, upper mounted plate 44 corresponds to the top of motorized motions plate 41 and parallel with motorized motions plate 41 and the outline of upper mounted plate 44 is identical with motorized motions plate 41, show on motorized motions plate 41 and around drive plate centre bore 411(Fig. 4 of motorized motions plate 41) circumferencial direction be configured with and shape equal with the quantity of aforementioned profile of tooth boss 311 with the quantity that drive plate centre bore 411 communicates with space state structure (also can claim with radiation regimes) and the suitable serrate slot 4111(of profile of tooth boss 311 also can claim profile of tooth boss engaging groove), described driving shaft 43 is fixed between upper mounted plate 44 and motorized motions plate 41 at the position at the edge of corresponding upper mounted plate 44 and motorized motions plate 41, aforesaid carriage 7 can be driven, thus drive circuit breaker to close, separating brake.Described fixed axis 45 arranges the position being fixed on edge between upper mounted plate 44 and motorized motions plate 41, the effect of this fixed axis 45 is the Stability Analysis of Structures ensureing motorized motions plate 41 and upper mounted plate 44, and this fixed axis 45 and slip driving shaft 43 are separated by 180 ° around the circumferencial direction of motorized motions plate 41, are configured with the container cavity of an accommodation clutch block 3 by the common cooperation of motorized motions plate 41, upper mounted plate 44, driving shaft 43 and fixed axis 45.A pair manual operating fitting pin 42 forms criss-cross position relationship each other with driving shaft 43 and fixed axis 45, and aforesaid manual operating 6 matches with described manual operating fitting pin 42.From the signal of Fig. 3 and the signal of composition graphs 4, the container cavity that aforesaid clutch block 3 is arranged in (namely correspond to) motorized motions plate 41 and upper mounted plate 44 and driving shaft 43 and fixed axis 45 are formed, namely the container cavity jointly built by motorized motions plate 41, upper mounted plate 44, driving shaft 43 and fixed axis 45 is arranged in, to make the aforementioned serrate slot 4111 on motorized motions plate 41 match with profile of tooth boss 311 or remove cooperation provide space.And then as shown in Figure 4, profile of tooth boss 311 in the present embodiment and the quantity of serrate slot 4111 respectively have four, but obviously can not quantity and limit the utility model whereby, because can according to needing increase and decrease.
Refer to Fig. 5 and composition graphs 3, on aforesaid manual operating 6 and towards aforementioned upper mounted plate 44 side namely towards under side be configured with a direction recess 61, the quantity of this direction recess 61 preferably a pair and with aforesaid a pair manual operating fitting pin 42 one_to_one corresponding.Illustrate for well-known introduction to coordinate with a manual operating fitting pin 42 with one of them direction recess 61 below, another direction recess 61 coordinates because principle is the same with another manual operating fitting pin 42, eliminates, as shown in Figure 5, a pair guiding surface 611 coordinated for a manual operating fitting pin 42 and a pair confined planes 612 is respectively configured with in the both sides of the length direction of a direction recess 61 and in mutually corresponding position, a pair confined planes 612 is connected with described a pair guiding surface 611 (also can claim to be connected) respectively, a manual operating fitting pin 42 contacts with a pair guiding surface 611, when with manual mode rotation manual operation board 6, promoted manual operating fitting pin 42 and use to make aforementioned crank 4 to bottom offset by a pair one of them guiding surface 611 of guiding surface 611, aforesaid serrate slot 4111 is in profile of tooth boss 311 state removed each other and coordinate.To remove with clutch block 3 engage when described crank 4 is moved down into described crank 4, now a manual operating fitting pin 42 contacts with a pair one of them confined planes 612 of confined planes 612, described confined planes 612 promotes described manual operating fitting pin 42 makes described crank 4 rotate, drive aforesaid carriage 7, thus drive circuit breaker splitting or integrating lock.
As shown in Figure 3, on aforesaid support 1 and with airborne correspond to previous manual operation board 6 position adopt screw 112 be fixed with one for the manual operating position-limited rack 11 spacing to manual operating 6, a resigning hole 111 is offered at the top of this manual operating position-limited rack 11, this resigning hole 111 at circuit breaker panel to breaker operator, with realize automatic, manual divide-shut brake switch.Aforesaid manual operating 6 towards on side and be configured with tool operation flange 62 for subsequent use corresponding to the position of resigning hole 111, this tool operation flange 62 for subsequent use is configured with a tool operation groove 621, and this tool operation groove 621 can directly update be lever operated.
Refer to Fig. 6 and composition graphs 1 to Fig. 5, when motor 2 works, during electric operating, crank 4 is under the effect of elastic reset part 5, on its motorized motions plate 41 and aforementioned serrate slot 4111 that is that offer around the circumferencial direction interval of drive plate centre bore 411 is in the state be engaged with each other with the profile of tooth boss 311 on profile of tooth boss dish 31, motor output shaft 21 is each passed through elastic reset part 5, drive plate centre bore 411, clutch block centre bore 33 is hinged with clutch block 3, along with the rotation of motor output shaft 21, clutch block 3 is driven to rotate by bearing pin 211, motorized motions plate 41 is driven to rotate by the rotation of clutch block 3, whole crank 4 is rotated, slide plate 72 is driven by its driving shaft 43 by the rotation of crank 4, and be with movable slider 71 to move on slider waveguide rod 73, resulting belt is moved circuit breaker handle and is realized circuit-breaker switching on-off operation.Motor 2 rotating can realize closing a floodgate and separating brake (motor 2 rotates forward, then for closing a floodgate, otherwise be then separating brake) respectively.
Refer to Fig. 7 and same composition graphs 1 to Fig. 5, when operated, operator just can with operating grip by manual operating 6 clockwise or be rotated counterclockwise (operate clockwise or counterclockwise to manual operating 6 and all can meet manual operation requirement), manual operating fitting pin 42 is promoted by the guiding surface 611 of the direction recess 61 of manual operating 6, crank 4 is forced to move downward (elastic reset part 5 is now in compressive state), thus make serrate slot 4111 be in the state be separated with the profile of tooth boss 311 on the profile of tooth boss dish 31 of clutch block 3, namely the state removing engagement is in, now manual operating fitting pin 42 contacts with confined planes 612, described confined planes 612 promotes described manual operating fitting pin 42 makes described crank 4 rotate.The now rotation of crank 4 and motor output shaft 21 have nothing to do, and can not rotate by drive motor output shaft 21, thus can realize manual breaking-closing operating.
In sum, the technical scheme that the utility model provides have structure terse, configure strong point reasonable and easy and safe to operate, only the direct rotation manual operation board 6 of need can realize the breaking-closing operating to breaker of plastic casing, significantly improve operating efficiency and significantly shorten interruption duration, thus can yet be regarded as is a ultimate attainment technical scheme.
Claims (10)
1.
an arrangement of clutch for electric operating mechanism of circuit-breaker, described electric operating mechanism of circuit-breaker comprises a support (1), one motor (2), this motor (2) and support (1) towards under side fix, and the motor output shaft (21) of this motor (2) is stretched over the top of support (1), described arrangement of clutch comprises a clutch block (3), and this clutch block (3) is arranged on described motor output shaft (21) in the position of the top corresponding to described support (1), one crank (4), this crank (4) is nested with on described motor output shaft (21) with quick condition, one elastic reset part (5), this elastic reset part (5) is nested with on described motor output shaft (21), and acts on crank (4) crank (4) is engaged with clutch block (3), one manual operating (6), this manual operating (6) is nested with on described motor output shaft (21) in the position of the top corresponding to described crank (4), and matches with crank (4), it is characterized in that described crank (4) is fixedly installed manual operating fitting pin (42), described manual operating (6) offers the direction recess (61) holding manual operating fitting pin (42), this direction recess (61) has guiding surface (611), when electric operating, described crank (4) is under the effect of elastic reset part (5), crank (4) is meshed with clutch block (3), and when operated, rotary manual operation board (6), the guiding surface (611) of described direction recess (61) is made to promote manual operating fitting pin (42), crank (4) is forced to move downward, thus described crank (4) is removed with clutch block (3) engage.
2.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that described crank (4) includes a motorized motions plate (41), this motorized motions plate (41) offers serrate slot (4111), be configured with around the circumferencial direction of clutch block (3) the profile of tooth boss (311) that quantity and shape and serrate slot (4111) equal with the quantity of serrate slot (4111) adapt in the upper and lower peripheral being positioned at clutch block (3) of described clutch block (3), when electric operating, the serrate slot (4111) of described crank (4) is in the state engaged each other with the profile of tooth boss (311) of clutch block (3), and when operated, the serrate slot (4111) of described crank (4) and the profile of tooth boss (311) of clutch block (3) are in the state mutually departed from.
3.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that being provided with a pivot pin (211) on described motor output shaft (21), described clutch block (3) offers a pivot pin connecting hole (32), probes in pivot pin connecting hole (32) to use by pivot pin (211) clutch block (3) is connected with described motor output shaft (21).
4.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that described crank (4) also comprises driving shaft (43) and upper mounted plate (44), upper mounted plate (44) corresponding to motorized motions plate (41) top and with motorized motions plate (41) walk abreast, driving shaft (43) is fixed on the position at edge between upper mounted plate (44) and motorized motions plate (41); The quantity of described manual operating fitting pin (42) has a pair, this is fixed the lower end of manual cooperation pin (42) and motorized motions plate (41), and upper end and upper mounted plate (44) are fixing and lean out upper mounted plate (44) and put in the direction recess (61) of manual operating (6), a pair described manual operating fitting pin (42) is separated by 180 ° around the circumferencial direction of described upper mounted plate (44).
5.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 2, it is characterized in that described guiding surface (611) is two, be formed in the length direction of direction recess (61) both sides and on mutually corresponding position, for leading to described manual operating fitting pin (42), when operated, when rotating described manual operating (6), promote described manual operating fitting pin (42) by described guiding surface (611) and make described crank (4) to bottom offset, described serrate slot (4111) is in described profile of tooth boss (311) state removed each other and coordinate.
6.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that described direction recess (61) also has confined planes (612), this confined planes (612) is connected with described guiding surface (611), when operated, rotate described manual operating (6), described guiding surface (611) promotes described manual operating fitting pin (42) and makes described crank (4) be moved down into described crank (4) with clutch block (3) to remove the degree engaged, now described confined planes (612) promotes described manual operating fitting pin (42) described crank (4) is rotated.
7.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that described crank (4) also comprises fixed axis (45), this fixed axis (45) is fixed on the position at edge between upper mounted plate (44) and motorized motions plate (41), and fixed axis (45) and driving shaft (43) are separated by 180 ° around the circumferencial direction of motorized motions plate (41), this motorized motions plate (41), upper mounted plate (44), driving shaft (43) and fixed axis (45) jointly coordinate and are configured with the container cavity of an accommodation clutch block (3).
8.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that the upper end of described elastic reset part (5) is bearing on described crank (4), and lower end is bearing on described support (1).
9.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that going up at described support (1) and being fixed with one for the manual operating position-limited rack (11) spacing to manual operating (6) in the position corresponding to described manual operating (6), offer a resigning hole (111) at the top of this manual operating position-limited rack (11).
10.
the arrangement of clutch of electric operating mechanism of circuit-breaker according to claim 9, it is characterized in that being configured with tool operation flange for subsequent use (62) at described manual operating (6) towards upper side and corresponding to the position of described resigning hole (111), this tool operation flange for subsequent use (62) is configured with a tool operation groove (621).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844020.2U CN204315480U (en) | 2014-12-25 | 2014-12-25 | The arrangement of clutch of electric operating mechanism of circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844020.2U CN204315480U (en) | 2014-12-25 | 2014-12-25 | The arrangement of clutch of electric operating mechanism of circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204315480U true CN204315480U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844020.2U Withdrawn - After Issue CN204315480U (en) | 2014-12-25 | 2014-12-25 | The arrangement of clutch of electric operating mechanism of circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204315480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN105071265A (en) * | 2015-07-27 | 2015-11-18 | 温州兴机电器有限公司 | Handcart assembly and switchgear with same |
-
2014
- 2014-12-25 CN CN201420844020.2U patent/CN204315480U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN105071265A (en) * | 2015-07-27 | 2015-11-18 | 温州兴机电器有限公司 | Handcart assembly and switchgear with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |