CN100583346C - Creepage breaker - Google Patents
Creepage breaker Download PDFInfo
- Publication number
- CN100583346C CN100583346C CN200810096792A CN200810096792A CN100583346C CN 100583346 C CN100583346 C CN 100583346C CN 200810096792 A CN200810096792 A CN 200810096792A CN 200810096792 A CN200810096792 A CN 200810096792A CN 100583346 C CN100583346 C CN 100583346C
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- CN
- China
- Prior art keywords
- protective cover
- breaker
- housing
- circuit breaker
- residual current
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims description 47
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention relates to an electric leakage breaker, comprising an electric leakage device unit and a breaker unit; the breaker unit comprises a shell, movable and immovable contacts provided within the shell and an ingoing line joint and outgoing line joint; the outgoing line joint comprises a bolt, an immovable connection frame and a movable connection frame, the shell is correspondingly provided with a line outlet, a screw hole and a gap located above the line outlet; one side of the line outlet of the breaker shell is also covered with a protection cover on which a clamping connection sheet is provided, the clamping connection sheet traverse the gap and is provided between upper side of head of the bolt and upper wall face of the gap. Due to the clamping connection through the clamping connection sheet, it is more convenient while dismantling the protection cover, furthermore, the clamping connection sheet is covered on the upper side of the bolt such that the bolt can be separated from the outside through the clamping connection sheet, accordingly, the screw hole cover is not required to be provided and the installation is quite convenient and reliable.
Description
Technical field
The present invention relates to a kind of circuit breaker, particularly a kind of residual current circuit breaker.
Background technology
Residual current circuit breaker is a kind of electronic device that can be protected load equipment that is installed in the circuit; anomaly appears in circuit; during as electric leakage, overload or short circuit, residual current circuit breaker reaches the purpose of protection circuit, load equipment and personal safety by in time cutting off the electricity supply.Residual current circuit breaker mainly is made up of Electrical leakage and circuit breaker, in the residual current circuit breaker commonly used, usually Electrical leakage and circuit breaker respectively have a housing independently, on each housing, all be provided with import and export, and the end of incoming cables of the leading-out terminal of circuit breaker and Electrical leakage all is electrically connected in advance and connects, promptly before product export, earlier the leading-out terminal of circuit breaker and the end of incoming cables of Electrical leakage are connected by producer, the user does not in use generally need the leading-out terminal of this circuit breaker and the end of incoming cables of Electrical leakage are operated, so safety in order to guarantee to use, usually before dispatching from the factory, residual current circuit breaker the leading-out terminal sealing cover of circuit breaker is lived with protective cover, present residual current circuit breaker its protective cover all be by screw Shell of circuit breaker on the side of leading-out terminal, the mode of this employing screw is operated relatively trouble, particularly in examination and test of products process, occur defective, must get earlier screw to be unclamped and just can unload the operation of protective cover, increase workman's work operation the circuit breaker leading-out terminal; In addition, in order further to guarantee safety, sometimes also need the screw of the leading-out terminal of circuit breaker is carried out sealing cover, what prior art adopted is at each leading-out terminal screw one independent sealing cover to be set, be that sealing cover is corresponding one by one with the leading-out terminal screw, so, operation also is quite loaded down with trivial details; Also have, in the prior art, protective cover also only is to be limited to the circuit breaker end, makes like this to form a very significantly step between protective cover and the Electrical leakage, has influenced the overall aesthetics of residual current circuit breaker.
Summary of the invention
The purpose of this invention is to provide a kind of to the convenient residual current circuit breaker of the installing/dismounting of protective cover.
Purpose of the present invention is achieved through the following technical solutions: a kind of residual current circuit breaker includes Electrical leakage unit and breaker unit;
Described Electrical leakage unit includes housing, be arranged in the described housing the release assembly and into and out of wire terminal; Described housing is provided with the connection jaws that corresponds to out wire terminal, is provided with flash barrier between adjacent described connection jaws;
Described breaker unit includes housing, is arranged on dynamic and static contact and the lead-in line joint in the described breaker unit housing and goes out wire terminal; Describedly go out wire terminal and include screw, quiet wire frame and moving wire frame, be provided with line outlet, screw and be positioned at breach above the line outlet corresponding on the housing of described breaker unit, line outlet one side of described breaker unit housing also capping protective cover is arranged, described protective cover is provided with the clamping sheet, this clamping sheet penetrates and is arranged in from described breach between the upper wall surface of the head upside of described screw and described breach, it is characterized in that: the upside of described clamping sheet also is provided with eave tile, and this eave tile trip is in the inwall of the upper wall of described breach.
Further, the both sides of described eave tile and rear side are dead slot, and this dead slot communicates in the front of described protective cover.
Further, on described protective cover, also be provided with and the corresponding louvre of the line outlet of described breaker unit housing.
Further, described protective cover extends to the lateral surface of described Electrical leakage unit, is provided with square hole at described protective cover with respect to the corresponding connection jaws of the wire terminal place that goes out of described Electrical leakage unit housing.
Further, the upper and lower both sides of described square hole also be provided with to convex long and with the reinforcement of the justified margin of described protective cover, this reinforcement is sheathed in the space that forms between the adjacent described flash barrier.
Further, all be provided with draw-in groove between the upside of adjacent described flash barrier and between the downside, the corresponding trip that cooperates with described draw-in groove clamping that is provided with on described protective cover.
The invention has the beneficial effects as follows: owing to adopt the mode of clamping sheet clamping, therefore convenient when the dismounting protective cover, in addition, because the clamping sheet also is covered in the upside of screw, utilize the clamping sheet to be about to screw and the external world separates, therefore do not need to establish in addition the screw sealing cover, so this protective cover has just played the protective cover in the background technology and the double action of screw sealing cover, install very convenient reliably.
Description of drawings
Fig. 1 is the axonometric drawing of the embodiment of the invention
Fig. 2 is the explosive view of the embodiment of the invention
Fig. 3 is the front view of the embodiment of the invention
Fig. 4 is the A-A cutaway view of Fig. 3
Fig. 5 is the I place enlarged drawing of Fig. 4
Fig. 6 is the B-B cutaway view of Fig. 3
Fig. 7 is the C-C cutaway view of Fig. 3
Fig. 8 is the D-D cutaway view of Fig. 3
Fig. 9 is the axonometric drawing of the protective cover in the embodiment of the invention
Embodiment
Now in conjunction with the accompanying drawings embodiment of the present invention is further described:
As shown in the figure as can be known, the embodiment of a kind of residual current circuit breaker of the present invention, include Electrical leakage unit 1 and breaker unit 2, breaker unit 1 can be for a plurality of, Electrical leakage unit 2 equally can be for a plurality of, each Electrical leakage unit 2 and breaker unit 1 be by rivet, and illustrated embodiment adopts four utmost points, four utmost point Electrical leakage modes that open circuit; Illustrated Electrical leakage unit 2 include housing 21 and be arranged in the housing 21 the release assembly and into and out of wire terminal, correspond to out wire terminal 22 on the described housing 21 and be provided with connection jaws 213, between adjacent connection jaws 213, be provided with flash barrier 211; Described breaker unit 1 includes housing 11 and is arranged on moving in the housing 11, fixed contact and lead-in line joint and go out wire terminal 12, describedly go out wire terminal 12 and include screw 121, quiet wire frame 122 and moving wire frame 123, the corresponding line outlet 113 that is provided with on housing 11, screw 111 and the breach 112 that is positioned at the line outlet top, line outlet 113 1 sides of Shell of circuit breaker 11 also capping protective cover 3 is arranged, described protective cover 3 is provided with clamping sheet 31 (in the diagram owing to adopt the four-pole circuit breaker formula, so four clamping sheets 31 are arranged, if a utmost point is a slice clamping sheet 31 then, other number is analogized), this clamping sheet 31 penetrates and is arranged in from breach 112 between the upper wall surface of the head upside of screw 121 and breach 112.Owing to adopt the mode of clamping sheet 31 clampings, therefore when dismounting protective cover 3, do not need to twist screw, pull out protective cover 3 and just can unload as long as scratch with hand, more convenient to operate, in addition, because clamping sheet 31 also is covered in the upside of screw 121, utilizing clamping sheet 31 to be about to screw 121 separates with the external world, therefore do not need to establish in addition the screw sealing cover, so this protective cover has just played the protective cover in the background technology and the double action of screw sealing cover, install very convenient reliably.
In order to guarantee the installation connection reliability of clamping sheet 31, present embodiment also is provided with eave tile 311 at the upside of described clamping sheet 31, and these eave tile 311 trips are in the inwall of the upper wall of breach 112.This eave tile 311 cooperates with the trip of the inwall of the upper wall of Shell of circuit breaker breach 112 will make protective cover 3 can pull out when pulling out with hand is stingy, be not difficult for dropping out when pulling out and do not scratch, thereby make the installation reliability of protective cover 3 be guaranteed, the convenience when not influencing dismounting again.Present embodiment can certainly extend shell fragment downwards in the both sides of clamping sheet, the head that utilizes the elasticity of this two shell fragment to encase screw drops to prevent that the protective cover pine from unloading, perhaps even, be arranged on the both sides of clamping sheet at eave tile, and on the two side of breach, establish draw-in groove, utilize the eave tile of both sides to cooperate to prevent that the protective cover pine from unloading drops with the draw-in groove clamping; The present invention more preferably uses the mode of illustrated embodiment, and is because with respect to the back dual mode, convenient in the obvious processing and manufacturing of by way of example as shown in the figure.
In the present embodiment, have better elastic in order to guarantee eave tile 311, the both sides of eave tile 311 and rear side are made as dead slot 312, and this dead slot 312 communicates in the front 37 of protective cover 3.
In the illustrated embodiment, also be provided with on protective cover 3 and line outlet 113 corresponding louvres 32, louvre 32 adopts the row arrangement settings usually, louvre 32 is set helps distributing of heat that the joint place produces, thereby guarantee the normal operation of circuit breaker.
In the present embodiment, described protective cover 3 extends to the lateral surface of Electrical leakage 2, is provided with square hole 33 at protective cover 3 with respect to the connection jaws that goes out wire terminal 22 213 places of the housing 21 of Electrical leakage 2.The lateral surface (being that protective cover aligns with the lateral surface of Electrical leakage) that protective cover 3 is extended to Electrical leakage 2 has covered in flash barrier 211, make residual current circuit breaker have good whole performance attractive in appearance, be used for passing through of load side wire by square hole 33 in addition, make user's finger to put between flash barrier and to contact, guaranteed the safety of using by square hole with joint.
In the present embodiment, the upper and lower both sides of described square hole 33 also are provided with reinforcement 34 long to convex and that align with the edge 36 of protective cover 3, this reinforcement 34 is sheathed in the space 212 that forms between the described adjacent flash barrier 211, by as show and be provided with the intensity that is beneficial to the Electrical leakage side that guarantees protective cover, and further improve the arc performance.
Because the length of protective cover 3 obtains extending, therefore in order further to guarantee the installation fastness of protective cover 3, all be provided with draw-in groove 213 between the upside of adjacent flash barrier 211 and between the downside, the corresponding trip 35 that cooperates with draw-in groove 214 clampings that is provided with on protective cover 3.
Though more than described the specific embodiment of the present invention, the those of skill in the art in the present technique field should be appreciated that these only illustrate, and can make numerous variations or modification to these execution modes, and not deviate from principle of the present invention and essence.Protection scope of the present invention is only limited by appended claims.
Claims (6)
1. a residual current circuit breaker includes Electrical leakage unit and breaker unit;
Described Electrical leakage unit includes housing, be arranged in the described housing the release assembly and into and out of wire terminal; Described housing is provided with the connection jaws that corresponds to out wire terminal, is provided with flash barrier between adjacent described connection jaws;
Described breaker unit includes housing, is arranged on dynamic and static contact and the lead-in line joint in the described breaker unit housing and goes out wire terminal; Describedly go out wire terminal and include screw, quiet wire frame and moving wire frame, be provided with line outlet, screw and be positioned at breach above the line outlet corresponding on the housing of described breaker unit, line outlet one side of described breaker unit housing also capping protective cover is arranged, described protective cover is provided with the clamping sheet, this clamping sheet penetrates and is arranged in from described breach between the upper wall surface of the head upside of described screw and described breach, it is characterized in that:
The upside of described clamping sheet also is provided with eave tile, and this eave tile trip is in the inwall of the upper wall of described breach.
2. residual current circuit breaker as claimed in claim 1 is characterized in that: the both sides of described eave tile and rear side are dead slot, and this dead slot communicates in the front of described protective cover.
3. residual current circuit breaker as claimed in claim 1 or 2 is characterized in that: also be provided with on described protective cover and the corresponding louvre of the line outlet of described breaker unit housing.
4. residual current circuit breaker as claimed in claim 1 or 2, it is characterized in that: described protective cover extends to the lateral surface of described Electrical leakage unit, is provided with square hole at described protective cover with respect to the corresponding connection jaws of the wire terminal place that goes out of described Electrical leakage unit housing.
5. residual current circuit breaker as claimed in claim 4 is characterized in that: the upper and lower both sides of described square hole also be provided with to convex long and with the reinforcement of the justified margin of described protective cover, this reinforcement is sheathed in the space that forms between the adjacent described flash barrier.
6. residual current circuit breaker as claimed in claim 5 is characterized in that: all be provided with draw-in groove between the upside of adjacent described flash barrier and between the downside, the corresponding trip that cooperates with described draw-in groove clamping that is provided with on described protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810096792A CN100583346C (en) | 2008-05-08 | 2008-05-08 | Creepage breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810096792A CN100583346C (en) | 2008-05-08 | 2008-05-08 | Creepage breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101276712A CN101276712A (en) | 2008-10-01 |
| CN100583346C true CN100583346C (en) | 2010-01-20 |
Family
ID=39995989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810096792A Expired - Fee Related CN100583346C (en) | 2008-05-08 | 2008-05-08 | Creepage breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100583346C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795259A (en) * | 2015-04-09 | 2015-07-22 | 侯如升 | High voltage transmission line safety switch |
-
2008
- 2008-05-08 CN CN200810096792A patent/CN100583346C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101276712A (en) | 2008-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Chaoan Electric Co.,Ltd. Assignor: Gacia Electrical Appliance Co.,Ltd. Contract record no.: 2011330001192 Denomination of invention: Improved structure for electric leakage circuit breaker Granted publication date: 20100120 License type: Exclusive License Open date: 20081001 Record date: 20110928 |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545 Patentee after: GARCIA ELECTRICAL APPLIANCE CO.,LTD. Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545 Patentee before: GACIA ELECTRICAL APPLIANCE Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545 Patentee after: GACIA ELECTRICAL APPLIANCE Co.,Ltd. Address before: 325603 Zhejiang province north of Yueqing Bai Xiang Zhen Bai TA Wang Industrial Zone No. 545 East Main Street Patentee before: Gacia Electrical Appliance Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Leakage circuit breaker Effective date of registration: 20201211 Granted publication date: 20100120 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: GARCIA ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2020330001187 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 |