CN204303719U - Rccb - Google Patents
Rccb Download PDFInfo
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- CN204303719U CN204303719U CN201420864965.0U CN201420864965U CN204303719U CN 204303719 U CN204303719 U CN 204303719U CN 201420864965 U CN201420864965 U CN 201420864965U CN 204303719 U CN204303719 U CN 204303719U
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- contact
- moving contact
- rccb
- tripping
- installation portion
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Abstract
A kind of RCCB.Mainly solve the problem of existing RCCB unstable properties.It is characterized in that: described installation portion is provided with bearing pin and is provided with the limited block spacing with the first moving contact, described first moving contact is arranged on bearing pin, described bearing pin is arranged with torsion spring, middle link and first moving contact of described torsion spring offset, and two free end then offsets with limited block.Its advantage is the structure by torsion spring, can ensure the uniform force in contact face, ensures that electric current passes through further reliable and stable, makes the performance of RCCB more stable.
Description
Technical field
The utility model relates to a kind of breaker, is specifically related to a kind of RCCB.
Background technology
RCCB is actually a kind of breaker with creepage protection function.Usual RCCB is by housing, handle, operating mechanism, contact system, electric leakage tripping system, overload/short circuit tripping system and indicating mechanism.
Existing RCCB, dynamic and static contact face unbalance stress, causes electric current to pass through instability, thus affects RCCB performance.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of RCCB, solves the problem of existing RCCB unstable properties.
The technical scheme that the utility model adopts: a kind of RCCB, comprise housing, described housing cavity is provided with central dividing plate housing being separated into two chambers, electron collection system, the first tripping system is provided with in the chamber of wherein side, first contact system, is provided with operating mechanism, the second tripping system, the second contact system, arc quenching system in the chamber of opposite side; Described first contact system, the second contact system and operating mechanism are connected; Described first tripping system, the second tripping system and operating mechanism are connected; First contact system comprises the first moving contact, the first contact support, and described first contact support comprises and the articulated section of housing hinge, the operating portion be connected with operating mechanism and the installation portion installing the first moving contact; Described installation portion is provided with bearing pin and is provided with the limited block spacing with the first moving contact, described first moving contact is arranged on bearing pin, described bearing pin is arranged with torsion spring, and middle link and first moving contact of described torsion spring offset, and two free end then offsets with limited block.
The U-shaped structure of described installation portion, described first moving contact is arranged in installation portion, and described limited block lays respectively at the two ends of installation portion.
Described operating mechanism comprises handle, connecting rod, snap close, tripping, lever, described second contact system comprises the second contact support, the second moving contact, described handle is connected by connecting rod and lever, described lever is connected with the second contact collaborative support, and described second moving contact is arranged on the second contact and supports.
Described central dividing plate is provided with arc chute, and one end that described connecting rod is connected with lever is connected with the operating portion that the first contact is supported through arc chute.
Described first tripping system comprises the first coil, the first push rod, and described first push rod is connected by a shifting block and snap close.
Described second tripping system comprises the second coil, the second push rod, and described second push rod is connected with the second contact collaborative support.
Described housing is provided with leak(age) test button, and described leak(age) test button matches with the first contact support.
The beneficial effects of the utility model are: adopt above scheme, by the structure of torsion spring, can ensure the uniform force in contact face, ensure that electric current passes through further reliable and stable, make the performance of RCCB more stable.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment wherein side internal structure schematic diagram.
Fig. 2 is the utility model embodiment opposite side internal structure schematic diagram.
Fig. 3 is the utility model embodiment internal structure schematic diagram.
Fig. 4 is the structural scheme of mechanism that the first moving contact and the first contact are supported.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in the figure, a kind of RCCB, comprise housing 1, described housing 1 inner chamber is provided with the central dividing plate 2 housing 1 being separated into two chambers, electron collection system 3, first tripping system 4 is provided with in the chamber of wherein side, first contact system 5, is provided with operating mechanism 6, second tripping system 7, second contact system 8, arc quenching system in the chamber of opposite side; Described first contact system 5, second contact system 8 is connected with operating mechanism 6; Described first tripping system 4, second tripping system 7 is connected with operating mechanism 6; First contact system 5 comprises the first moving contact 51, first contact and supports 52, and described first contact support 52 comprises the articulated section 521 hinged with housing 1, the operating portion 522 that is connected with operating mechanism 6 and the installation portion 523 installing the first moving contact 51;
Described installation portion 523 is provided with bearing pin 10 and is provided with the limited block 12 spacing with the first moving contact 51, the U-shaped structure of installation portion 523, described limited block 12 lays respectively at the two ends of installation portion 523, described first moving contact 51 to be arranged on bearing pin 10 and to be arranged on the centre of two pieces of limited blocks 12, described bearing pin 10 is arranged with torsion spring 11, middle link and first moving contact 51 of described torsion spring 11 offset, and two free end then offsets with limited block 12.
By the structure of torsion spring, the uniform force in contact face can be ensured, ensure that electric current passes through further reliable and stable, make the performance of RCCB more stable.
Described operating mechanism 6 comprises handle 61, connecting rod 62, snap close 63, tripping 64, lever 65, described second contact system 8 comprises the second contact and supports the 82, second moving contact 81, described handle 61 is connected by connecting rod 62 and lever 65, described lever 65 and the second contact support 82 are connected, described second moving contact 81 is arranged on the second contact and supports on 82, realize contact closure and quick index by quadric chain, make product breaking capacity better, performance is more stable.
Described central dividing plate 2 is provided with arc chute 21, one end that described connecting rod 62 is connected with lever 65 is connected with the operating portion 522 of the first contact support 52 through arc chute 21, structure is not only simple, and can effectively operating system and the first contact system be connected, closed breaking capacity is good, and performance is also better.
Described first tripping system 4 comprises the first coil 41, first push rod 42, described first push rod 42 is connected with snap close 63 by a shifting block 43, described second tripping system 7 comprises the second coil 71, second push rod 72, and described second push rod 72 and the second contact support 82 are connected.Not only structure is simple, and threads off easily, and guarantee leak electricity short-circuit, performance is good.
Described housing 1 is provided with leak(age) test button 9, and described leak(age) test button 9 matches with the first contact support 52.During leakage tests, pressing leak(age) test button, is that the first moving contact is communicated with static contact, by zero sequence current mutual inductor, carries out identification amplify electric leakage, realize threading off, realize earth leakage protective.
Claims (7)
1. a RCCB, comprise housing (1), described housing (1) inner chamber is provided with the central dividing plate (2) housing (1) being separated into two chambers, electron collection system (3), the first tripping system (4) is provided with in the chamber of wherein side, first contact system (5), is provided with operating mechanism (6), the second tripping system (7), the second contact system (8), arc quenching system in the chamber of opposite side; Described first contact system (5), the second contact system (8) are connected with operating mechanism (6); Described first tripping system (4), the second tripping system (7) are connected with operating mechanism (6);
The operating portion (522) it is characterized in that: the first contact system (5) comprises the first moving contact (51), the first contact support (52), described first contact support (52) comprises the articulated section (521) hinged with housing (1), being connected with operating mechanism (6) and the installation portion (523) installing the first moving contact (51);
Described installation portion (523) is provided with bearing pin (10) and is provided with the limited block (12) spacing with the first moving contact (51), described first moving contact (51) is arranged on (10) on bearing pin, described bearing pin (10) is arranged with torsion spring (11), middle link and first moving contact (51) of described torsion spring (11) offset, and two free end then offsets with limited block (12).
2. RCCB according to claim 1, is characterized in that: described installation portion (523) U-shaped structure, and described first moving contact (51) is arranged in installation portion (523), and described limited block (12) lays respectively at the two ends of installation portion (523).
3. RCCB according to claim 1, it is characterized in that: described operating mechanism (6) comprises handle (61), connecting rod (62), snap close (63), tripping (64), lever (65), described second contact system (8) comprises the second contact support (82), the second moving contact (81), described handle (61) is connected by connecting rod (62) and lever (65), described lever (65) and the second contact support (82) are connected, and described second moving contact (81) is arranged in the second contact support (82).
4. RCCB according to claim 3, it is characterized in that: described central dividing plate (2) is provided with arc chute (21), one end that described connecting rod (62) is connected with lever (65) is connected with the operating portion (522) of the first contact support (52) through arc chute (21).
5. RCCB according to claim 4, is characterized in that: described first tripping system (4) comprises the first coil (41), the first push rod (42), and described first push rod (42) is connected by a shifting block (43) and snap close (63).
6. RCCB according to claim 4, is characterized in that: described second tripping system (7) comprises the second coil (71), the second push rod (72), and described second push rod (72) and the second contact support (82) are connected.
7. RCCB according to claim 1, is characterized in that: described housing (1) is provided with leak(age) test button (9), and described leak(age) test button (9) is matched with the first contact support (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864965.0U CN204303719U (en) | 2014-12-31 | 2014-12-31 | Rccb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864965.0U CN204303719U (en) | 2014-12-31 | 2014-12-31 | Rccb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303719U true CN204303719U (en) | 2015-04-29 |
Family
ID=53109241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420864965.0U Active CN204303719U (en) | 2014-12-31 | 2014-12-31 | Rccb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957777A (en) * | 2016-06-06 | 2016-09-21 | 温州罗格朗电器有限公司 | Residual-current circuit breaker with residual-current fault indication function |
| CN110729156A (en) * | 2019-11-12 | 2020-01-24 | 德力西电气有限公司 | Neutral pole mechanism and residual current circuit breaker |
-
2014
- 2014-12-31 CN CN201420864965.0U patent/CN204303719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957777A (en) * | 2016-06-06 | 2016-09-21 | 温州罗格朗电器有限公司 | Residual-current circuit breaker with residual-current fault indication function |
| CN110729156A (en) * | 2019-11-12 | 2020-01-24 | 德力西电气有限公司 | Neutral pole mechanism and residual current circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |