CN205384995U - Miniature circuit breaker structure of closing a floodgate soon - Google Patents
Miniature circuit breaker structure of closing a floodgate soon Download PDFInfo
- Publication number
- CN205384995U CN205384995U CN201620120982.2U CN201620120982U CN205384995U CN 205384995 U CN205384995 U CN 205384995U CN 201620120982 U CN201620120982 U CN 201620120982U CN 205384995 U CN205384995 U CN 205384995U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- moving contact
- miniature circuit
- grab
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a miniature circuit breaker structure of closing a floodgate soon, through setting up hook wheel and pothook, when moving contact during from the separating brake state transformation to the operating position, the handle needs earlier rotatory certain angle, when the handle triggers the pothook, makes the hook wheel break away from mutually with the pothook, can pass through the rod drive moving contact after hook wheel and pothook break away from rapidly near the static contact, and the realization is closed a floodgate fast, reduces the production of electric arc. The pivoted moving contact can be distinguished to a plurality of, has improved the area of contact with the static contact behind the combined floodgate to respectively through a plurality of pressure spring guarantee to close a floodgate two back moving contact homoenergetics enough with static contact in close contact with, prevent because of machining error result in two move that the male contact face does not produce during the coplane unable simultaneously with quiet male contact's problem, therefore can improve miniature circuit breaker rated current in a volume timing.
Description
Technical field
This utility model relates to electric switch technical field, is specifically related to a kind of miniature circuit breaker and closes a floodgate soon structure.
Background technology
Miniature circuit breaker, is most popular a kind of terminal protection electrical equipment during architectural electricity terminal power distribution draws.Miniature circuit breaker is made up of close/open machine, contact, protection device (various electrical apparatus releases and electrical current heat assembly), arc quenching system etc..
Its operation principle is: utilize protection device (electrical apparatus release) and electrical current heat assembly to realize overload and short-circuit protection; when the electric current that the coil in electrical current heat assembly passes through is more than the current value set; the dynamic iron core action of magnetictrip; promote and hit bar shock operating mechanism; operating mechanism is made to unlock; make breaker open operation and then disconnecting circuit, thus realizing the overload to circuit and short-circuit protection.After fault is discharged, carry out closing operation again through close/open machine thus connecting circuit.
The rated current of miniature circuit breaker has 1A, 2A, 4A, 6A, 16A etc., rated current is more big, during work just safer, but owing to electric current is more big, generate heat more big, the requirement of miniature circuit breaker internal components is also just higher, in prior art, the method generally adopting the volume increasing miniature circuit breaker, to hold the wire copper bar and internal components increased, thus, how making miniature circuit breaker obtain bigger rated current in space little as far as possible is the pursuit of those skilled in the art.
Utility model content
Therefore, this utility model to solve the technical problem that during prior art middle-size and small-size chopper given volume, rated current is low, thus providing a kind of miniature circuit breaker improving rated current when given volume to close a floodgate soon structure.
This utility model provides a kind of miniature circuit breaker to close a floodgate soon structure, including:
Handle；
Grab, can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook；
Hook is taken turns, and is arranged on described handle, coordinates with the hook of described grab；
Support, is fixed with tripping and snap close；
Connecting rod, connects described hook wheel and tripping；
Several moving contacts, arrange on the bracket, and can rotate respectively；
Static contact, is arranged with two described moving contact corresponding matching；
Several holddown springs, each described holddown spring is arranged between a described moving contact and described support, for applying the elastic force towards described static contact direction to described moving contact；
Described rotatable handle make moving contact from gate-dividing state transform to "on" position time, described in described handle drives, grab is taken turns away from described hook so that described hook wheel with described grab disengaging coordinate；
Described rotatable handle make moving contact from "on" position transform to gate-dividing state time, described rotatable handle also drives described hook wheel to move closer to described grab, so that described hook wheel and described grab snap-fit engagement.
Preferably, close a floodgate soon structure, described moving contact and holddown spring of miniature circuit breaker of the present utility model is two.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon, and described handle forms arcuate projections, described rotatable handle make moving contact from gate-dividing state transform to "on" position time, described arcuate projections presses described grab, makes described grab take turns away from described hook.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon, and described support is provided with elastic component, and described elastic component applies the elastic force driving described moving contact to go to gate-dividing state to described support.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon,
Described static contact and each described moving contact are provided with conductive projection.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon,
The other end of described grab is provided with spring, and described spring applies to make the elastic force of the close described handle of hook of described grab to described grab.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon,
All described moving contacts are arranged on the bracket by common rotating shaft.
Preferably, miniature circuit breaker of the present utility model closes a floodgate structure soon, cylindrical body that described handle includes being positioned at chopper and stretch out the rhabodoid that chopper is arranged, and described cylindrical body is provided centrally with square hole.
Technical solutions of the utility model, have the advantage that
1. the miniature circuit breaker that this utility model provides closes a floodgate structure soon, by arranging hook wheel and grab, when moving contact transforms to "on" position from gate-dividing state, handle needs first to rotate a certain angle, when handle is triggered to grab, promoting hook wheel to be separated with grab, hook wheel can run through connecting rod and drive moving contact rapidly near static contact after departing from grab, realize rapid closing, reduce the generation of electric arc.Several moving contacts that can rotate respectively, the contact area with static contact is improve after combined floodgate, and ensure that latter two moving contact of combined floodgate all can be in close contact with static contact respectively through several holddown springs, prevent the problem that cannot simultaneously contact with static contact because producing when mismachining tolerance causes that two moving contact contact surfaces are non-coplanar, thus miniature circuit breaker rated current can be improved when given volume.
2. the miniature circuit breaker that this utility model provides closes a floodgate structure soon, is provided with elastic component between described tripping and described insulation crust, and described elastic component applies the elastic force driving described moving contact to go to gate-dividing state to described tripping.By the energy storage effect of elastic component, make moving contact when "on" position to gate-dividing state, it is possible to quickly to arrive open position, rapid separating brake, when reducing separating brake, produce electric arc.
3. the miniature circuit breaker that this utility model provides closes a floodgate structure soon, each moving contact is respectively provided with a moving contact conductive projection, static contact is provided with a static contact conductive projection, during combined floodgate, static contact conductive projection simultaneously with two moving contact conductive bump contact realize circuit turn-on, order of contact between moving contact and static contact when can improve combined floodgate further by arranging conductive projection, it is prevented that occur contacting the generation of untight phenomenon.
4. the miniature circuit breaker that this utility model provides closes a floodgate structure soon, cylindrical body that described handle includes being positioned at described insulation crust and stretch out the rhabodoid that described insulation crust is arranged, and described cylindrical body is provided centrally with square hole.At the centrally disposed square hole of cylindrical body, by square pole traverse square hole, it is possible to the miniature circuit breaker several being arranged side by side links together, it is achieved the linkage of the handle of all miniature circuit breakers is arranged.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 closes a floodgate the structural representation of structure soon for the miniature circuit breaker provided in this utility model embodiment 1；
Fig. 2 is that close a floodgate the soon miniature circuit breaker of structure of the miniature circuit breaker of concrete Fig. 1 is in the front sectional view of gate-dividing state；
The grab that Fig. 3 is the miniature circuit breaker shown in Fig. 2 takes turns view figure when being newly disengaged with hook；
Fig. 4 is the view being in "on" position of the miniature circuit breaker shown in Fig. 2；
Fig. 5 is the structural representation of holddown spring of the present utility model and moving contact.
Description of reference numerals:
1-insulation crust；2-handle；3-tripping mechanism；5-arc-extinguishing mechanism；61-static contact；62-moving contact；63-static contact conductive projection；64-moving contact conductive projection；65-holddown spring；71-grab；72-hook is taken turns；73-connecting rod；74-torsion spring；75-elastic component；76-tripping；77-support；78-snap close；79-rotating shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
As long as just can be combined with each other additionally, technical characteristic involved in this utility model difference embodiment disclosed below does not constitute conflict each other.
Embodiment 1
The present embodiment provides a kind of miniature circuit breaker to close a floodgate soon structure, as Figure 1-3, including,
Handle 2；
Grab 71, can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook；
Hook wheel 72, is arranged on described handle 2, coordinates with the hook of described grab 71；
Support 77, is fixed with tripping 76 and snap close 78 (tripping 76 and snap close 78 are driven, and thread off when open circuit or overload) by tripping mechanism 3；
Connecting rod 73, connects described hook wheel 72 and tripping 76；
Several moving contacts 62, are arranged on described support 77, and can rotate respectively；
Static contact 61, is arranged with two described moving contact 62 corresponding matching；
Several holddown springs 65, each described holddown spring 65 is arranged between a described moving contact 62 and described support 77, for applying the elastic force towards described static contact 61 direction to described moving contact 62；
Described handle 2 rotate make moving contact 62 from gate-dividing state transform to "on" position time, described handle 2 drive described grab 71 away from described hook take turns 72 so that described hook wheel 72 with described grab 71 disengaging coordinate；
Described handle 2 rotate make moving contact 62 from "on" position transform to gate-dividing state time, described handle 2 rotates and drives described hook wheel 72 to move closer to described grab 71, so that described hook wheel 72 and described grab 71 snap-fit engagement.
The miniature circuit breaker of above-described embodiment closes a floodgate structure soon, by arranging hook wheel 72 and grab 71, when moving contact 62 transforms to "on" position from gate-dividing state, handle 2 needs first to rotate a certain angle, when handle 2 is triggered to grab 71, promoting hook wheel 72 to be separated with grab 71, hook wheel 72 can run through connecting rod 73 and drive moving contact 62 rapidly near static contact 61 after departing from grab 71, realize rapid closing, reduce the generation of electric arc.The moving contact 62 that several can rotate respectively, improve after combined floodgate and the contact area of static contact 61, and ensure that latter two moving contact 62 of combined floodgate all can be in close contact with static contact 61 respectively through several holddown springs 65, prevent the problem that cannot simultaneously contact with static contact 61 because producing when mismachining tolerance causes that two moving contact 62 contact surfaces are non-coplanar, thus miniature circuit breaker rated current can be improved when given volume.
Preferably, described moving contact 62 and holddown spring 65 are two.Certainly when space allows, it is also possible to 3,4 or more.
Further, described handle 2 forms arcuate projections 21, described handle 2 rotate make moving contact 62 from gate-dividing state transform to "on" position time, described arcuate projections press described grab 71, make described grab 71 away from described hook take turns 72.(in Fig. 1, pressing down on grab 71, make grab 71 turn clockwise certain angle).
Further, support 77 being provided with elastic component 75, described elastic component 75 applies the elastic force driving described moving contact 62 to go to gate-dividing state to described support 77.
By the energy storage effect of elastic component 75, make moving contact 62 when "on" position to gate-dividing state, it is possible to quickly to arrive open position, rapid separating brake, when reducing separating brake, produce electric arc.
Further, described static contact 61 and each described moving contact 62 are provided with conductive projection.
As shown in Figure 2, each moving contact 62 is respectively provided with a moving contact conductive projection 64, static contact 61 is provided with a static contact conductive projection 63, during combined floodgate, static contact conductive projection 63 contacts with two moving contact conductive projections 64 and realizes circuit turn-on simultaneously, order of contact between moving contact 62 and static contact 61 when can improve combined floodgate further by arranging conductive projection, it is prevented that occur contacting the generation of untight phenomenon.
Further, the other end of described grab 71 is provided with spring, and described spring applies to make the elastic force of the close described handle 2 of hook of described grab 71 to described grab 71.
Making grab 71 all the time near described handle 2 by spring, Portable hook 71 is taken turns 72 with hook and is coordinated.
As deformation, described grab 71 can also be directly anchored to insulation crust 1, realizes taking turns 72 coordinate with hook by the elastic deformation of self.
Further, all described moving contacts 62 are arranged on described support 77 by common rotating shaft 76.
Rotating shaft 76 is fixed on support 77, and two moving contacts 62 can around the shaft 76, it is ensured that being coaxially disposed of two moving contacts 62, it is simple to assemble.
Further, described handle 2 includes being positioned at the cylindrical body of chopper (insulation crust 1) and stretches out the rhabodoid that chopper (insulation crust 1 is outer) is arranged, and described cylindrical body is provided centrally with square hole.
At the centrally disposed square hole of cylindrical body, by square pole traverse square hole, it is possible to the miniature circuit breaker several being arranged side by side links together, it is achieved the linkage of the handle 2 of all miniature circuit breakers is arranged.
Above-mentioned arc-extinguishing mechanism 5 is for when moving contact 62 contacts with static contact 61, playing arc extinguishing effect.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation still in this utility model create protection domain among.
Claims (8)
1. a miniature circuit breaker closes a floodgate structure soon, it is characterised in that including:
Handle (2)；
Grab (71), can around himself axis of rotation, and one end is connected with elastic component, and one end forms hook；
Hook wheel (72), is arranged on described handle (2), coordinates with the hook of described grab (71)；
Support (77), is fixed with tripping (76) and snap close (78)；
Connecting rod (73), connects described hook wheel (72) and tripping (76)；
Several moving contacts (62), are arranged on described support (77), and can rotate respectively；
Static contact (61), is arranged with two described moving contact (62) corresponding matching；
Several holddown springs (65), each described holddown spring (65) is arranged between a described moving contact (62) and described support (77), for applying the elastic force towards described static contact (61) direction to described moving contact (62)；
Described handle (2) rotate make moving contact (62) from gate-dividing state transform to "on" position time, described handle (2) drives described grab (71) to take turns (72) away from described hook, coordinates so that described hook wheel (72) departs from described grab (71)；
Described handle (2) rotate make moving contact (62) from "on" position transform to gate-dividing state time, described handle (2) rotates and drives described hook wheel (72) to move closer to described grab (71), so that described hook wheel (72) and described grab (71) snap-fit engagement.
2. miniature circuit breaker according to claim 1 closes a floodgate structure soon, it is characterised in that described moving contact (62) and holddown spring (65) are two.
3. miniature circuit breaker according to claim 1 and 2 closes a floodgate structure soon, it is characterized in that, described handle (2) forms arcuate projections (21), described handle (2) rotate make moving contact (62) from gate-dividing state transform to "on" position time, described arcuate projections presses described grab (71), makes described grab (71) take turns (72) away from described hook.
4. miniature circuit breaker according to claim 3 closes a floodgate structure soon, it is characterized in that, being provided with elastic component (75) on described support (77), described elastic component (75) applies the elastic force driving described moving contact (62) to go to gate-dividing state to described support (77).
5. miniature circuit breaker according to claim 3 closes a floodgate structure soon, it is characterised in that
Described static contact (61) and each described moving contact (62) are provided with conductive projection.
6. the miniature circuit breaker according to claim 1 or 2 or 4 or 5 closes a floodgate structure soon, it is characterised in that
The other end of described grab (71) is provided with spring, and described spring applies to make the elastic force of the close described handle (2) of hook of described grab (71) to described grab (71).
7. the miniature circuit breaker according to claim 1 or 2 or 4 or 5 closes a floodgate structure soon, it is characterised in that
All described moving contacts (62) are arranged on described support (77) by common rotating shaft (79).
8. the miniature circuit breaker according to claim 1 or 2 or 4 or 5 closes a floodgate structure soon, it is characterised in that cylindrical body that described handle (2) includes being positioned at chopper and stretch out the rhabodoid that chopper is arranged, and described cylindrical body is provided centrally with square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120982.2U CN205384995U (en) | 2016-02-15 | 2016-02-15 | Miniature circuit breaker structure of closing a floodgate soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120982.2U CN205384995U (en) | 2016-02-15 | 2016-02-15 | Miniature circuit breaker structure of closing a floodgate soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384995U true CN205384995U (en) | 2016-07-13 |
Family
ID=56349750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620120982.2U Active CN205384995U (en) | 2016-02-15 | 2016-02-15 | Miniature circuit breaker structure of closing a floodgate soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992104A (en) * | 2017-05-05 | 2017-07-28 | 佳电气有限公司 | Possesses the breaker of automatic control function |
| CN107026031A (en) * | 2017-05-05 | 2017-08-08 | 佳电气有限公司 | instantaneous closing structure and switching device |
-
2016
- 2016-02-15 CN CN201620120982.2U patent/CN205384995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992104A (en) * | 2017-05-05 | 2017-07-28 | 佳电气有限公司 | Possesses the breaker of automatic control function |
| CN107026031A (en) * | 2017-05-05 | 2017-08-08 | 佳电气有限公司 | instantaneous closing structure and switching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100555506C (en) | The operating mechanism of miniature circuit breaker | |
| CN105513915B (en) | A kind of intelligent breaker combination unit | |
| CN205335203U (en) | Intelligence circuit breaker composite set | |
| CN103594297A (en) | Circuit breaker | |
| CN205911269U (en) | Breaker | |
| US20230377824A1 (en) | Quick tripping device and circuit breaker | |
| CN201893269U (en) | High-voltage disconnector contact component | |
| CN205384995U (en) | Miniature circuit breaker structure of closing a floodgate soon | |
| CN101980351B (en) | Rocker-type single-wire double-connection double-insurance switch | |
| CN204577267U (en) | The overlapping switching mechanism of neutral pole and automatic transfer switching electric appliance | |
| CN205376449U (en) | Miniature circuit breaker structure of contact terminal and miniature circuit breaker | |
| CN203631449U (en) | Operating mechanism of miniature circuit breaker | |
| CN105655160A (en) | Double-power supply change-over switch having double-breakpoint moving contact structure | |
| CN103681124A (en) | Sealed multi-electrode circuit breaker | |
| CN204289120U (en) | A kind of grounding knife switch of superpower making capability of manual/automatic integratedization | |
| CN207587673U (en) | Moving contact component and device for switching may be reversed | |
| RU2524680C1 (en) | Mechanism of movable spring for knife switch | |
| US10256066B2 (en) | Operation mechanism of circuit breaker | |
| CN204088172U (en) | A kind of vacuum load switch for household | |
| CN206628399U (en) | A kind of strong high voltage isolator moving contact of contact performance | |
| CN206877941U (en) | Miniature circuit breaker | |
| CN203859051U (en) | Three-phase directly operated type disconnecting switch | |
| CN203165829U (en) | Hydraulic electromagnetic breaker | |
| CN206961781U (en) | A kind of moving contact component and the miniature circuit breaker including the moving contact component | |
| CN202363354U (en) | Quick permanent-magnet flexible connector for vacuum circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |