CN204332850U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN204332850U CN204332850U CN201420723666.5U CN201420723666U CN204332850U CN 204332850 U CN204332850 U CN 204332850U CN 201420723666 U CN201420723666 U CN 201420723666U CN 204332850 U CN204332850 U CN 204332850U
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- screen pack
- housing
- circuit breaker
- layer
- convergence part
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Abstract
The utility model relates to a kind of miniature circuit breaker, comprise housing, binding post, operating mechanism, arc control device, flash barrier and contact mechanism, described binding post is arranged in housing, it is characterized in that: the bottom of described housing is provided with quick inserting folder, and this quick inserting folder is connected with connecting plate buckle, the utility model is: arrange quick inserting folder in the bottom of housing, buckle can be realized with the connecting plate of outside to be fast connected, and wherein convergence part provides chucking power for clamping part, and the junction of convergence part and base plate is provided with groove, when effectively ensure that convergence part is stressed and break into two with one's hands, this groove is supplied to the larger reset force in convergence part, thus drive clamping part to shrink to clamp port, ensure that the inside chucking power of this clamp port when being subject to External Force Acting, ensure that and finally achieve convenient installation and dismounting circuit breaker while circuit breaker can firm be fixed on connecting plate.
Description
Technical field
The utility model relates to field of circuit breakers, refers to a kind of miniature circuit breaker especially.
Background technology
Miniature circuit breaker is also known as miniature circuit breaker; be applicable to exchange 50/60Hz rated voltage 230/400V; the overload of rated current to 63A circuit and the use of short-circuit protection; also can under normal circumstances as the use of the infrequently operation transformation of circuit, and miniature circuit breaker is mainly used in the various places such as industry, business, high level and residential houses.
Existing miniature circuit breaker, comprise housing, binding post, operating mechanism, arc control device, flash barrier and contact mechanism, described binding post is arranged in housing, described contact mechanism comprises moving contact and fixed contact, operating mechanism comprises by the handle of the top outer extending to housing in housing, locking-bar, tripping bar and connector, described locking-bar is fixed on enclosure interior, and one end of handle is connected with tripping bar, and this tripping bar is connected with moving contact by connector; Wherein this circuit breaker long-time in running order time, radiating effect is poor, and warming-up effect, to the parts in circuit breaker, causes circuit breaker very easily aging impaired; And some circuit breaker is when being provided with radiator structure, dust in air can enter to circuit breaker internal along with air through radiator structure, wherein dust can adhere on parts, cause the parts action of circuit breaker internal insensitive or motionless, make circuit breaker can not the break-make of realizing circuit in time, reduce useful life; And there is the problem such as installation and dismounting inconvenience in existing circuit breaker.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of make the parts in circuit breaker not easily aging impaired, built-in function parts are active in one's movements, the miniature circuit breaker of easy installation and removal and long service life.
The technical solution of the utility model is achieved in that a kind of miniature circuit breaker, comprise housing, binding post, operating mechanism, arc control device, flash barrier and contact mechanism, described binding post is arranged in housing, described contact mechanism comprises moving contact and fixed contact, operating mechanism comprises the handle by the top outer extending to housing in housing, locking-bar, tripping bar and connector, described locking-bar is fixed on enclosure interior, one end of handle is connected with tripping bar, this tripping bar is connected with moving contact by connector, it is characterized in that: described housing is provided with louvre, this louvre place is provided with screen pack, this screen pack comprises screen pack body, described screen pack body comprises the three layer filtration net of socket mutually from inside to outside, this three layer filtration net includes ground floor screen pack from outside to inside, second layer screen pack and third layer screen pack, described ground floor screen pack, second layer screen pack and third layer screen pack are all be made up of the guard of sidewall and sidewall bottom, sidewall between two-layer adjacent screen pack is provided with internal thread and the external screw thread of coupling mutually, distance between the guard of two-layer adjacent screen pack is less than 2mm, and from inside to outside on every layer of screen pack the mesh size of guard reduce gradually, the bottom of described housing is provided with quick inserting folder, this quick inserting folder is connected with connecting plate buckle, described quick inserting folder comprises base plate, the two ends of this base plate are respectively arranged with convergence part, the end of each convergence part is connected with clamping part, the free end of two clamping parts forms contractile clamp port, described base plate and the junction of convergence part are provided with arc connecting portion.
By adopting technique scheme, effectively solve the problem that circuit breaker radiating effect is poor, ensure that circuit breaker is not easily aging impaired, ensure that circuit breaker not easily aging impaired while, screen pack is provided with in louvre, have employed multiple filtration net, and the net size of space of guard reduces gradually on screen pack, the dust of the different sizes in air is blocked successively gradually, therefore ensure that circuit breaker long-time in running order time, the heat energy that the parts of circuit breaker internal give out can discharge housing timely, the dust simultaneously avoiding the different sizes in air enters circuit breaker internal, ensure that the motion that the parts of circuit breaker internal can be sensitive, achieve the break-make of the timely realizing circuit of circuit breaker energy, extend useful life, quick inserting folder is set in the bottom of housing, buckle can be realized with the connecting plate of outside to be fast connected, and wherein convergence part provides chucking power for clamping part, and the junction of convergence part and base plate is provided with groove, when effectively ensure that convergence part is stressed and break into two with one's hands, this groove is supplied to the larger reset force in convergence part, thus drive clamping part to shrink to clamp port, ensure that the inside chucking power of this clamp port when being subject to External Force Acting, ensure that and finally achieve convenient installation and dismounting circuit breaker while circuit breaker can firm be fixed on connecting plate, and structure is simple, manufacturing cost is lower, is easy to promote.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment structure schematic front view;
Fig. 2 is filter screen structure schematic diagram in the utility model embodiment;
Fig. 3 is quick inserting clamping structure schematic diagram in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1-Fig. 3, the utility model discloses a kind of miniature circuit breaker, comprise housing 13, binding post 19, operating mechanism, arc control device 21, flash barrier 22 and contact mechanism, described binding post 19 is arranged in housing 13, described contact mechanism comprises moving contact 18 and fixed contact 20, operating mechanism comprises the handle 15 by the top outer extending to housing in housing 13, locking-bar 14, tripping bar 16 and connector 17, it is inner that described locking-bar 14 is fixed on housing 13, one end of handle 15 is connected with tripping bar 16, this tripping bar 16 is connected with moving contact 18 by connector 17, in the utility model is specifically implemented, described housing is provided with louvre 23, this louvre 23 place is provided with screen pack, this screen pack comprises screen pack body, described screen pack body comprises the three layer filtration net of socket mutually from inside to outside, this three layer filtration net includes ground floor screen pack 1 from outside to inside, second layer screen pack 2 and third layer screen pack 3, described ground floor screen pack 1, second layer screen pack 2 and third layer screen pack 3 be all by sidewall 4 and sidewall 4 bottom guard 5 form, sidewall 4 between two-layer adjacent screen pack is provided with internal thread and the external screw thread of coupling mutually, distance between the guard 5 of two-layer adjacent screen pack is less than 2mm, and from inside to outside on every layer of screen pack the mesh size of guard 5 reduce gradually, the bottom of described housing is provided with quick inserting folder 12, this quick inserting folder 12 is connected with connecting plate buckle, described quick inserting folder 12 comprises base plate 121, the two ends of this base plate 121 are respectively arranged with convergence part 123, the end of each convergence part 123 is connected with clamping part 124, the free end of two clamping parts 124 forms contractile clamp port 125, described base plate 121 is provided with arc connecting portion 122 with the junction of convergence part 123.
By adopting technique scheme, effectively solve the problem that circuit breaker radiating effect is poor, ensure that circuit breaker is not easily aging impaired, ensure that circuit breaker not easily aging impaired while, screen pack is provided with in louvre, have employed multiple filtration net, and the net size of space of guard reduces gradually on screen pack, the dust of the different sizes in air is blocked successively gradually, therefore ensure that circuit breaker long-time in running order time, the heat energy that the parts of circuit breaker internal give out can discharge housing timely, the dust simultaneously avoiding the different sizes in air enters circuit breaker internal, ensure that the motion that the parts of circuit breaker internal can be sensitive, achieve the break-make of the timely realizing circuit of circuit breaker energy, extend useful life, quick inserting folder is set in the bottom of housing, buckle can be realized with the connecting plate of outside to be fast connected, and wherein convergence part provides chucking power for clamping part, and the junction of convergence part and base plate is provided with groove, when effectively ensure that convergence part is stressed and break into two with one's hands, this groove is supplied to the larger reset force in convergence part, thus drive clamping part to shrink to clamp port, ensure that the inside chucking power of this clamp port when being subject to External Force Acting, ensure that and finally achieve convenient installation and dismounting circuit breaker while circuit breaker can firm be fixed on connecting plate, and structure is simple, manufacturing cost is lower, is easy to promote.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (2)
1. a miniature circuit breaker, comprise housing, binding post, operating mechanism, arc control device, flash barrier and contact mechanism, described binding post is arranged in housing, described contact mechanism comprises moving contact and fixed contact, operating mechanism comprises the handle by the top outer extending to housing in housing, locking-bar, tripping bar and connector, described locking-bar is fixed on enclosure interior, one end of handle is connected with tripping bar, this tripping bar is connected with moving contact by connector, it is characterized in that: described housing is provided with louvre, this louvre place is provided with screen pack, this screen pack comprises screen pack body, described screen pack body comprises the three layer filtration net of socket mutually from inside to outside, this three layer filtration net includes ground floor screen pack from outside to inside, second layer screen pack and third layer screen pack, described ground floor screen pack, second layer screen pack and third layer screen pack are all be made up of the guard of sidewall and sidewall bottom, sidewall between two-layer adjacent screen pack is provided with internal thread and the external screw thread of coupling mutually, distance between the guard of two-layer adjacent screen pack is less than 2mm, and from inside to outside on every layer of screen pack the mesh size of guard reduce gradually.
2. a kind of miniature circuit breaker according to claim 1, it is characterized in that: the bottom of described housing is provided with quick inserting folder, this quick inserting folder is connected with connecting plate buckle, described quick inserting folder comprises base plate, the two ends of this base plate are respectively arranged with convergence part, the end of each convergence part is connected with clamping part, and the free end of two clamping parts forms contractile clamp port, and described base plate and the junction of convergence part are provided with arc connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723666.5U CN204332850U (en) | 2014-11-26 | 2014-11-26 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723666.5U CN204332850U (en) | 2014-11-26 | 2014-11-26 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332850U true CN204332850U (en) | 2015-05-13 |
Family
ID=53169176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723666.5U Expired - Fee Related CN204332850U (en) | 2014-11-26 | 2014-11-26 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390346A (en) * | 2015-11-12 | 2016-03-09 | 成都绿迪科技有限公司 | Novel power distribution network breaker |
| CN108847603A (en) * | 2018-07-26 | 2018-11-20 | 国网山东省电力公司莱芜供电公司 | A kind of protective device of charged for replacement leakage circuit breakers |
| CN109564840A (en) * | 2016-08-05 | 2019-04-02 | 立维腾制造有限公司 | In conjunction with the breaker for resetting locking mechanism |
| US11610751B2 (en) | 2019-12-09 | 2023-03-21 | Leviton Manufacturing Co., Inc. | Circuit breakers incorporating reset lockout mechanisms |
-
2014
- 2014-11-26 CN CN201420723666.5U patent/CN204332850U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390346A (en) * | 2015-11-12 | 2016-03-09 | 成都绿迪科技有限公司 | Novel power distribution network breaker |
| CN109564840A (en) * | 2016-08-05 | 2019-04-02 | 立维腾制造有限公司 | In conjunction with the breaker for resetting locking mechanism |
| CN109564840B (en) * | 2016-08-05 | 2021-03-16 | 立维腾制造有限公司 | Circuit breaker combined with reset locking mechanism |
| US11342152B2 (en) | 2016-08-05 | 2022-05-24 | Leviton Manufacturing Co., Inc. | Circuit breakers incorporating reset lockout mechanisms |
| US11545327B2 (en) | 2016-08-05 | 2023-01-03 | Leviton Manufacturing Co., Inc. | Circuit breakers incorporating reset lockout mechanisms |
| CN108847603A (en) * | 2018-07-26 | 2018-11-20 | 国网山东省电力公司莱芜供电公司 | A kind of protective device of charged for replacement leakage circuit breakers |
| US11610751B2 (en) | 2019-12-09 | 2023-03-21 | Leviton Manufacturing Co., Inc. | Circuit breakers incorporating reset lockout mechanisms |
| US11901148B2 (en) | 2019-12-09 | 2024-02-13 | Leviton Manufacturing Co., Inc. | Circuit breakers incorporating reset lockout mechanisms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 325600, Zhejiang Province, Wenzhou City, Yueqing Province North white elephant town water tower village Patentee after: Wenzhou Saint Electrical Technology Co. Ltd. Address before: 325604, Wenzhou, Zhejiang City, Yueqing Province town of North white Ridge Village Patentee before: YUEQING SHENGBEN ELECTRICAL TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |