CN204303729U - A kind of RCCB - Google Patents
A kind of RCCB Download PDFInfo
- Publication number
- CN204303729U CN204303729U CN201520039914.9U CN201520039914U CN204303729U CN 204303729 U CN204303729 U CN 204303729U CN 201520039914 U CN201520039914 U CN 201520039914U CN 204303729 U CN204303729 U CN 204303729U
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- CN
- China
- Prior art keywords
- contact
- elastic component
- moving contact
- movable contact
- rotating turret
- 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.)
- Withdrawn - After Issue
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Abstract
A kind of RCCB.Mainly solve present RCCB when use multiconductor moving contact, because unbalance stress causes moving contact while tilt, multiple movable contact can not be contacted with stationary contact simultaneously, causes loose contact, make-break capacity is not good, the problem that portion voltage is excessive.It is characterized in that: between spring mounting seat and moving contact opposite face, be provided with the first elastic component and the second elastic component, moving contact and rotating turret opposite face are provided with supporting point mechanism, first movable contact and the second movable contact are located at supporting point mechanism both sides, the first elastic component and the second elastic component corresponding with the first movable contact and the second movable contact and be located at supporting point mechanism both sides.First and second elastic component is corresponding with first and second movable contact is located at fulcrum both sides, when moving contact unbalance stress tilts, normal operation position is depressed into by elastic component, two contacts all can be contacted with stationary contact, ensure that the make-break capacity of breaker, there will not be the problem that portion voltage is excessive, increase service life.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of RCCB.
Background technology
Can the switch of auto-action when RCCB refers to that leakage current in circuit exceedes predetermined value, described RCCB includes shell and is arranged at the breaker assembly of enclosure, described breaker assembly generally comprises zero sequence current mutual inductor, electric sub-member plate, leakage tripping device, when the person gets an electric shock, detect that a leakage current is leakage tripping device action disconnecting circuit by zero sequence current mutual inductor.
RCCB is used for preventing the person from getting an electric shock, and is protective device important in Circuits System,
The handle of present RCCB generally drives rotating turret rotate thus cut-off breaker by connecting rod, (if application number is 201420227597.9, patent name is the patent of " RCCB "), moving contact on rotating turret is provided with the words of multiple movable contact, sometimes can cause moving contact because of unbalance stress while tilt, multiple movable contact can not be contacted with stationary contact simultaneously, cause loose contact, make-break capacity is not good, and portion voltage is excessive.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of RCCB, mainly solve present RCCB when use multiconductor moving contact, can because unbalance stress causes moving contact while tilt, multiple movable contact can not be contacted with stationary contact simultaneously, cause loose contact, make-break capacity is not good, the problem that portion voltage is excessive.
The technical scheme that the utility model adopts is:
A kind of RCCB, comprise housing, described housing comprises the base and upper cover that are connected to each other, contact mechanism is provided with in described housing, arc-extinguishing mechanism, wiring mechanism and tripping mechanism, described contact mechanism comprises the moving contact and static contact that correspondence is provided with, described tripping mechanism comprises rotating turret, connecting rod and handle, described rotating turret is by connecting rod and handle interlock, described moving contact to be located in rotating turret and to be rotated with described rotating turret, described moving contact is provided with the first movable contact and the second movable contact, described static contact correspondence is provided with the second stationary contact and the second stationary contact, described base is also provided with spring mounting seat, the first elastic component and the second elastic component is provided with between described spring mounting seat and moving contact opposite face, described moving contact and described rotating turret opposite face are provided with supporting point mechanism, described first movable contact and the second movable contact are located at described supporting point mechanism both sides, described first elastic component and the second elastic component are corresponding with described first movable contact and the second movable contact respectively and be located at described supporting point mechanism both sides.
Described rotating turret comprises base plate and side plate, described supporting point mechanism comprises limited block that described base plate is provided with and the projection that described moving contact is provided with, the spacing hole with described limited block adaptation is provided with bottom described projection, described limited block upper surface is spherical, described projection inwall also corresponds to spherical, has gap between described limited block upper surface and described projection inwall.
Described first movable contact and described second movable contact are with described moving contact center line for axial symmetry distributes, and described projection is located on the center line of described moving contact.
Described stopper slot and projection are by punching press one-shot forming.
Described base is provided with stationary contact bracket, and be provided with arc-chutes and described static contact bottom described stationary contact bracket, described moving contact is located at below described static contact.
Correspondingly with two described movable contacts on described moving contact be provided with two spring fitting blocks, described first elastic component and the second elastic component correspondence are set in outside two described spring fitting blocks.
Described first elastic component and the second elastic component are spring.
The beneficial effects of the utility model are: the utility model provides a kind of RCCB, its moving contact and rotating turret are provided with supporting point mechanism, first and second movable contact is located at supporting point mechanism both sides, first and second elastic component is provided with first and second movable contact correspondence described and is located at fulcrum both sides, when moving contact unbalance stress tilts, normal operation position can be depressed into by elastic component, two contacts all can be contacted with stationary contact, ensure that the make-break capacity of breaker, there will not be the problem that portion voltage is excessive, add service life.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the utility model embodiment.
Fig. 2 is the partial perspective view of the utility model embodiment.
Fig. 3 is the schematic perspective view of the rotating turret of the utility model embodiment.
Fig. 4 is the schematic perspective view of the moving contact of the utility model embodiment.
Fig. 5 is the rotating turret of the utility model embodiment and the cross-sectional schematic of moving contact.
Fig. 6 is the sectional perspective schematic diagram of the rotating turret of the utility model embodiment.
Fig. 7 is the rotating turret of the utility model embodiment and the partial schematic sectional view of moving contact.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of RCCB, comprise housing 1, described housing 1 comprises the base 2 and upper cover 3 that are connected to each other, contact mechanism is provided with in described housing 1, arc-extinguishing mechanism, wiring mechanism and tripping mechanism, described contact mechanism comprises the moving contact 41 and static contact 42 that correspondence is provided with, described tripping mechanism comprises rotating turret 51, connecting rod 52 and handle 53, described rotating turret 51 is linked by connecting rod 52 and handle 53, described moving contact 41 to be located in rotating turret 51 and to be rotated with described rotating turret 51, described moving contact 41 is provided with the first movable contact 411 and the second movable contact 412, described static contact 42 correspondence is provided with the second stationary contact 421 and the second stationary contact, described base 2 is also provided with spring mounting seat 7, the first elastic component 71 and the second elastic component is provided with between described spring mounting seat 7 and moving contact 41 opposite face, described moving contact 41 is provided with supporting point mechanism 8 with described rotating turret 51 opposite face, described first movable contact 411 and the second movable contact 412 are located at described supporting point mechanism 8 both sides, described first elastic component 71 and the second elastic component are corresponding with described first movable contact 411 and the second movable contact 412 respectively and be located at described supporting point mechanism 8 both sides.In use, due to first, two movable contacts and first, two elastic components are the corresponding both sides being located at supporting point mechanism respectively, when either party unbalance stress tilts, corresponding elastic component can play the effect of compensation, depressed, ensure that first, two movable contacts can simultaneously and first, two stationary contact contacts, ensure that the make-break capacity of breaker, the utility model provides a kind of RCCB, its moving contact and rotating turret are provided with supporting point mechanism, first, two movable contacts are located at supporting point mechanism both sides, first, two elastic components are provided with described first, two movable contact correspondences are located at fulcrum both sides, when moving contact unbalance stress tilts, normal operation position can be depressed into by elastic component, two contacts all can be contacted with stationary contact, ensure that the make-break capacity of breaker, there will not be the problem that portion voltage is excessive, add service life.
In the utility model, as shown in the figure, described rotating turret 51 comprises base plate 511 and side plate, described supporting point mechanism 8 comprises limited block 512 that described base plate 511 is provided with and the projection 45 that described moving contact 41 is provided with, the spacing hole 43 with described limited block 512 adaptation is provided with bottom described projection 45, described limited block 512 upper surface is spherical, and described projection 45 inwall also corresponds to spherical, has gap between described limited block 512 upper surface and described projection 45 inwall.When in use, projection inwall and the limited block upper surface of spherical shape define fulcrum, and projection is coated on outside limited block completely, on the one hand, spacing effect can have been carried out to moving contact, on the other hand, between limited block 512 upper surface and described projection 45 inwall, there is gap, projection can limited block be swung again, serve the effect of fulcrum, serve effect beyong contemplation, spherical structure design can make swing more stable, and result of use is better.
In the utility model, as shown in the figure, described first movable contact 411 and described second movable contact 412 are with described moving contact 41 center line for axial symmetry distributes, and described projection 45 is located on the center line of described moving contact 41.Two movable contacts and two elastic components are symmetricly set on the center line both sides of moving contact, and projection is located on moving contact, compact conformation and when swing, can better realize compensating, the easier moving contact by deflection is corrected to normal position.
In the utility model, as shown in the figure, described stopper slot 43 and projection 42 are by punching press one-shot forming.Easy to process, easy to use, reduce costs.
In the utility model, as shown in the figure, described base 2 is provided with stationary contact bracket 6, is provided with arc-chutes 61 and described static contact 42 bottom described stationary contact bracket 6, and described moving contact 41 is located at below described static contact 42.Structure is simple, and result of use is good.
In the utility model, as shown in the figure, on described moving contact 41, movable contact 411 described with two is corresponding is provided with two spring fitting blocks 72, and described first elastic component 71 and the second elastic component correspondence are set in outside two described spring fitting blocks 72.Mounting structure is stablized, and spring can not come off, and result of use is better.
Described first elastic component 71 and the second elastic component are spring.Also other elastic components can be adopted herein as disc spring, block rubber etc., and spring cost is lower and result of use is better.
Embodiment should not be considered as restriction of the present utility model, but any improvement done based on spirit of the present utility model, all should within protection domain of the present utility model.
Claims (7)
1. a RCCB, comprise housing (1), described housing (1) comprises the base (2) and upper cover (3) that are connected to each other, described housing is provided with contact mechanism in (1), arc-extinguishing mechanism, wiring mechanism and tripping mechanism, described contact mechanism comprises the moving contact (41) and static contact (42) that correspondence is provided with, described tripping mechanism comprises rotating turret (51), connecting rod (52) and handle (53), described rotating turret (51) is by connecting rod (52) and handle (53) interlock, described moving contact (41) to be located in rotating turret (51) and to be rotated with described rotating turret (51), described moving contact (41) is provided with the first movable contact (411) and the second movable contact (412), described static contact (42) correspondence is provided with the second stationary contact (421) and the second stationary contact, described base (2) is also provided with spring mounting seat (7), it is characterized in that: between described spring mounting seat (7) and moving contact (41) opposite face, be provided with the first elastic component (71) and the second elastic component, described moving contact (41) and described rotating turret (51) opposite face are provided with supporting point mechanism (8), described first movable contact (411) and the second movable contact (412) are located at described supporting point mechanism (8) both sides, described first elastic component (71) and the second elastic component are corresponding with described first movable contact (411) and the second movable contact (412) respectively and be located at described supporting point mechanism (8) both sides.
2. a kind of RCCB according to claim 1, it is characterized in that: described rotating turret (51) comprises base plate (511) and side plate, described supporting point mechanism (8) comprises limited block (512) that described base plate (511) is provided with and the projection (45) that described moving contact (41) is provided with, described projection (45) bottom is provided with the spacing hole (43) adaptive with described limited block (512), described limited block (512) upper surface is spherical, described projection (45) inwall also corresponds to spherical, gap is had between described limited block (512) upper surface and described projection (45) inwall.
3. a kind of RCCB according to claim 2, it is characterized in that: described first movable contact (411) and described second movable contact (412) are axial symmetry distribution with described moving contact (41) center line, and described projection (45) is located on the center line of described moving contact (41).
4. a kind of RCCB according to claim 3, is characterized in that: described stopper slot (43) and projection (42) are by punching press one-shot forming.
5. a kind of RCCB according to claim 1, it is characterized in that: described base (2) is provided with stationary contact bracket (6), described stationary contact bracket (6) bottom is provided with arc-chutes (61) and described static contact (42), and described moving contact (41) is located at described static contact (42) below.
6. a kind of RCCB according to claim 1, it is characterized in that: described moving contact (41) is upper correspondingly with two described movable contacts (411) is provided with two spring fitting blocks (72), and described first elastic component (71) and the second elastic component correspondence are set in outside two described spring fitting blocks (72).
7. a kind of RCCB according to claim 1, is characterized in that: described first elastic component (71) and the second elastic component are spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039914.9U CN204303729U (en) | 2015-01-21 | 2015-01-21 | A kind of RCCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520039914.9U CN204303729U (en) | 2015-01-21 | 2015-01-21 | A kind of RCCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303729U true CN204303729U (en) | 2015-04-29 |
Family
ID=53109251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520039914.9U Withdrawn - After Issue CN204303729U (en) | 2015-01-21 | 2015-01-21 | A kind of RCCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599913B (en) * | 2015-01-21 | 2016-08-24 | 温州高能电气有限公司 | A kind of RCCB |
-
2015
- 2015-01-21 CN CN201520039914.9U patent/CN204303729U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599913B (en) * | 2015-01-21 | 2016-08-24 | 温州高能电气有限公司 | A kind of RCCB |
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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: 20150429 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |