CN204464187U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
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- CN204464187U CN204464187U CN201520210095.XU CN201520210095U CN204464187U CN 204464187 U CN204464187 U CN 204464187U CN 201520210095 U CN201520210095 U CN 201520210095U CN 204464187 U CN204464187 U CN 204464187U
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- torsion spring
- snap close
- circuit breaker
- miniature circuit
- plate
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Abstract
A kind of miniature circuit breaker.Mainly solving present miniature circuit breaker is arranged on support due to its torsion spring, is namely arranged at the below of snap close, such structure, and assembling inconvenience, is not easy to the problem of producing.It is characterized in that: described snap close (4) is located at described contact supporting (2) upper end and is provided with the first bulge loop (44), described first bulge loop (44) is arranged with torsion spring (12), described torsion spring (12) two ends compress cooperation with described tripping (5) and described snap close (4) respectively, and described tripping (5) and described snap close (4) are provided with and carry out spacing locating part to described torsion spring (12) axial direction.The utility model provides a kind of miniature circuit breaker, snap close is provided with the first bulge loop, is hinged on outside bulge loop by torsion spring, and two ends and tripping and snap close compress, and structure is simple, and be convenient to assembling, production efficiency is high.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of miniature circuit breaker.
Background technology
Miniature circuit breaker has strong, the aesthetic in appearance feature such as small and exquisite of structure advanced person, dependable performance, breaking capacity; do the illumination of office building, house and similar building, the overload of distribution line and equipment and short-circuit protection, also can be used as the use of circuit infrequently make-break operation and conversion.
At present, the operating mechanism of the miniature circuit breaker in market, comprise contact supporting, tripping, snap close and moving contact, moving contact is installed and is articulated with on contact supporting, a torsion spring is adopted between moving contact and contact, moving contact action when contacting with fixed contact is driven at contact supporting, the pressure that moving contact produces fixed contact is larger, serviceability is poor, and moving contact in use, easily occur departing from tram, can not effectively and fixed contact realize good contact, there is poor accuracy, shortcoming that stability is low.In addition, when snap close resets, need separately to establish parts to match with snap close the function realizing resetting, installation bothers, and complex structure, cost increase, less stable during use.And during whole operating mechanism reset, be adopt between contact supporting and shell, arrange a spring realization, when mounting spring, there is unhandy problem.
For this reason, the applicant has declared publication No. for " CN 104167333 A ", patent name is the Chinese patent of " a kind of miniature circuit breaker ", but this circuit breaker when in use, because its torsion spring is arranged on support, be namely arranged at the below of snap close, such structure, assembling inconvenience, is not easy to produce.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of miniature circuit breaker, mainly solves present miniature circuit breaker and is arranged on support due to its torsion spring, be namely arranged at the below of snap close, such structure, and assembling inconvenience, is not easy to the problem of producing.
The technical scheme that the utility model adopts is:
A kind of miniature circuit breaker, comprise housing, contact supporting is provided with in described housing, moving contact, snap close and tripping, described moving contact and described contact supporting hinged, described contact supporting is provided with snap close jointed shaft, described snap close is hinged with snap close jointed shaft and match with described tripping, described snap close is located at described contact supporting upper end and is provided with the first bulge loop, described first bulge loop is arranged with torsion spring, described torsion spring two ends compress cooperation with described tripping and described snap close respectively, described tripping and described snap close are provided with and carry out spacing locating part to described torsion spring axial direction.
Described locating part is the retaining wall that is provided with corresponding to described torsion spring on tripping and described snap close, and described torsion spring is located at below described retaining wall.
Described contact supporting is provided with the first location-plate and second location-plate of certain interval of being separated by, the outside of described first location-plate and the second location-plate is provided with the second bulge loop, described contact supporting is provided with torsion spring, described torsion spring comprises the first torsion spring and the second torsion spring, described first torsion spring and the second torsion spring are symmetrically distributed in the both sides of moving contact, described first torsion spring and the second torsion spring are sheathed on the second bulge loop of each location-plate respectively, one end of described first torsion spring and one end of described second torsion spring respectively with contact supporting clamping matching, the other end of described first torsion spring be connected with the other end of described second torsion spring and with moving contact clamping matching, described first location-plate and the second location-plate and the second bulge loop are equipped with fixed axis, described moving contact is positioned at gap and is articulated with on fixed axis.
Described snap close is provided with catch, and described catch to be positioned at outside moving contact and spacingly to coordinate with it.
Described catch is L shape, comprises horizontal part and vertical portion, and described horizontal part coordinates with the front of moving contact is spacing, and described vertical portion coordinates with the side of moving contact is spacing.
Also comprise magnetictrip, described magnetictrip comprises the coil rack and yoke underframe that cooperatively interact, the first support plate that described yoke underframe comprises base plate, base plate two ends are provided with and the second support plate, described coil rack two ends respectively with described first support plate and the second support plate snap-fit engagement.
Described coil rack comprises the first buckle and the second buckle that the upper and lower correspondence of cylindrical shell and cylindrical shell one end is provided with, described first support plate is provided with the draw-in groove that form snap-fit engagement corresponding to the first buckle and the second buckle, correspondingly with described cylindrical shell on described second support plate is provided with arc groove.
Described first bulge loop is also provided with lug, and described lug to be located at above described torsion spring and to be coordinated with described torsion spring is spacing.
The beneficial effects of the utility model are: the utility model provides a kind of miniature circuit breaker, snap close is provided with the first bulge loop, is hinged on outside bulge loop by torsion spring, and two ends and tripping and snap close compress, and structure is simple, and be convenient to assembling, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model embodiment.
Fig. 2 is Figure 1A place enlarged drawing.
Fig. 3 is the schematic perspective view of the operating mechanism of the utility model embodiment.
Fig. 4 is the yoke underframe of the utility model embodiment and the schematic perspective view of coil rack.
Fig. 5 is the schematic perspective view of the yoke underframe of the utility model embodiment.
Fig. 6 is the schematic perspective view of the coil rack of the utility model embodiment.
Fig. 7 is the schematic perspective view of the snap close of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of miniature circuit breaker, comprise housing 1, contact supporting 2 is provided with in described housing 1, moving contact 3, snap close 4 and tripping 5, described moving contact 3 is hinged with described contact supporting 2, described contact supporting 2 is provided with snap close jointed shaft, described snap close 4 is hinged with snap close jointed shaft and match with described tripping 5, described snap close 4 is located at described contact supporting 2 upper end and is provided with the first bulge loop 44, described first bulge loop 44 is arranged with torsion spring 12, described torsion spring 12 two ends compress cooperation with described tripping 5 and described snap close 4 respectively, described tripping 5 and described snap close 4 are provided with and carry out spacing locating part to described torsion spring 12 axial direction.Described locating part is the retaining wall 55 that is provided with corresponding to described torsion spring 12 on tripping 5 and described snap close 4, and described torsion spring 12 is located at below described retaining wall 55.Retaining wall is arranged on the top at torsion spring two ends, carry out spacing to torsion spring axial direction, prevent torsion spring from deviating from, retaining wall here also can be arranged to buckling groove or spacing hole, torsion spring two ends are sticked into also can realize it in buckling groove or spacing hole spacing, the utility model provides a kind of miniature circuit breaker, and snap close is provided with the first bulge loop, is hinged on by torsion spring outside bulge loop, and two ends and tripping and snap close compress, structure is simple, and be convenient to assembling, production efficiency is high.
In the utility model, as shown in the figure, described contact supporting 2 is provided with the first location-plate 6 and the second location-plate 7 of certain interval 24 of being separated by, the outside of described first location-plate 6 and the second location-plate 7 is provided with the second bulge loop 8, described contact supporting 2 is provided with torsion spring 9, described torsion spring 9 comprises the first torsion spring 91 and the second torsion spring 92, described first torsion spring 91 and the second torsion spring 92 are symmetrically distributed in the both sides of moving contact 3, described first torsion spring 91 and the second torsion spring 92 are sheathed on the second bulge loop 8 of each location-plate respectively, one end of described first torsion spring 91 and one end of described second torsion spring 92 respectively with contact supporting 2 clamping matching, the other end of described first torsion spring 91 be connected with the other end of described second torsion spring 92 and with moving contact 2 clamping matching, described first location-plate 6 and the second location-plate 7 and the second bulge loop 8 are equipped with fixed axis 10, described moving contact 3 is positioned at gap 24 and is articulated with on fixed axis 10.By arranging the first location-plate 6 and the second location-plate 7 on contact supporting, formed between the two for the hinged gap of moving contact, and realize flexible object by torsion spring, after moving contact is installed, moving contact not easily deflects in course of action, keeps correct track.According to such scheme, make moving contact in combined floodgate or separating brake process, there is accurate positioning, stability is high and serviceability is good advantage.
In the utility model, as shown in the figure, described snap close 4 is provided with catch 16, and described catch 16 to be positioned at outside moving contact 3 and spacingly to coordinate with it.Described catch 16 is L shape, and comprise horizontal part 161 and vertical portion 162, described horizontal part 161 coordinates with the front of moving contact 3 is spacing, and described vertical portion 162 coordinates with the side of moving contact 3 is spacing.By being provided with catch 16 on snap close 4, catch 16 is L shape, carries out spacing object, prevent it from departing from tram, play the object of location by catch 16 pairs of moving contacts 3.
In the utility model, as shown in the figure, also comprise magnetictrip 11, described magnetictrip 11 comprises the coil rack 111 and yoke underframe 112 that cooperatively interact, the first support plate 1121 and the second support plate 1122 that described yoke underframe 112 comprises base plate, base plate two ends are provided with, described coil rack 111 two ends respectively with described first support plate 1121 and the second support plate 1122 snap-fit engagement.The U-shaped structure of yoke underframe, first support plate on both sides and the second support plate and coil rack snap-fit engagement, easy to assembly, use firm, there will not be the problem come off.
In the utility model, as shown in the figure, described coil rack 111 comprises the first buckle 1113 and the second buckle 1114 that the upper and lower correspondence of cylindrical shell 1111 and cylindrical shell 1111 one end is provided with, described first support plate 1121 is provided with and the first buckle 1113 and the corresponding draw-in groove 1124 forming snap-fit engagement of the second buckle 1114, correspondingly with described cylindrical shell 1112 on described second support plate 1122 is provided with arc groove 1123.First buckle 1113 and the second buckle 1114 correspondence are arranged, and its buckle is located in the face of direction, can clamp when it is fastened on the first support plate time from both direction to it, and coordinate firm, result of use is good.
In the utility model, as shown in the figure, described first bulge loop 44 is also provided with lug 441, and described lug 441 to be located at above described torsion spring 12 and to be coordinated with described torsion spring 12 is spacing.The stability of further guarantee torsion spring motion, structure is simple, can not deviate from.
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 range of the present utility model.
Claims (8)
1. a miniature circuit breaker, comprise housing (1), contact supporting (2) is provided with in described housing (1), moving contact (3), snap close (4) and tripping (5), described moving contact (3) is hinged with described contact supporting (2), described contact supporting (2) is provided with snap close jointed shaft, described snap close (4) is hinged with snap close jointed shaft and match with described tripping (5), it is characterized in that: described snap close (4) is located at described contact supporting (2) upper end and is provided with the first bulge loop (44), described first bulge loop (44) is arranged with torsion spring (12), described torsion spring (12) two ends compress cooperation with described tripping (5) and described snap close (4) respectively, described tripping (5) and described snap close (4) are provided with and carry out spacing locating part to described torsion spring (12) axial direction.
2. a kind of miniature circuit breaker according to claim 1, it is characterized in that: described locating part is the upper retaining wall (55) that is provided with corresponding to described torsion spring (12) of tripping (5) and described snap close (4), and described torsion spring (12) is located at described retaining wall (55) below.
3. a kind of miniature circuit breaker according to claim 1, it is characterized in that: described contact supporting (2) is provided with the first location-plate (6) and second location-plate (7) of certain interval of being separated by (24), the outside of described first location-plate (6) and the second location-plate (7) is provided with the second bulge loop (8), described contact supporting (2) is provided with torsion spring (9), described torsion spring (9) comprises the first torsion spring (91) and the second torsion spring (92), described first torsion spring (91) and the second torsion spring (92) are symmetrically distributed in the both sides of moving contact (3), described first torsion spring (91) and the second torsion spring (92) are sheathed on second bulge loop (8) of each location-plate respectively, one end of described first torsion spring (91) and one end of described second torsion spring (92) respectively with contact supporting (2) clamping matching, the other end of described first torsion spring (91) be connected with the other end of described second torsion spring (92) and with moving contact (2) clamping matching, described first location-plate (6) and the second location-plate (7) and the second bulge loop (8) are equipped with fixed axis (10), described moving contact (3) is positioned at gap (24) and is articulated with on fixed axis (10).
4. a kind of miniature circuit breaker according to claim 1, is characterized in that: described snap close (4) is provided with catch (16), and described catch (16) is positioned at moving contact (3) outside and spacingly coordinates with it.
5. a kind of miniature circuit breaker according to claim 4, it is characterized in that: described catch (16) is L shape, comprise horizontal part (161) and vertical portion (162), described horizontal part (161) coordinates with the front of moving contact (3) is spacing, and described vertical portion (162) coordinate with the side of moving contact (3) is spacing.
6. a kind of miniature circuit breaker according to claim 1, it is characterized in that: also comprise magnetictrip (11), described magnetictrip (11) comprises the coil rack (111) and yoke underframe (112) that cooperatively interact, the first support plate (1121) that described yoke underframe (112) comprises base plate, base plate two ends are provided with and the second support plate (1122), described coil rack (111) two ends respectively with described first support plate (1121) and the second support plate (1122) snap-fit engagement.
7. a kind of miniature circuit breaker according to claim 6, it is characterized in that: described coil rack (111) comprises the first buckle (1113) and the second buckle (1114) that the upper and lower correspondence of cylindrical shell (1111) and cylindrical shell (1111) one end is provided with, described first support plate (1121) is provided with the draw-in groove (1124) that form snap-fit engagement corresponding to the first buckle (1113) and the second buckle (1114), and described second support plate (1122) is above corresponding with described cylindrical shell (1112) is provided with arc groove (1123).
8. a kind of miniature circuit breaker according to claim 1, is characterized in that: described first bulge loop (44) is also provided with lug (441), and described lug (441) is located at described torsion spring (12) top and is coordinated with described torsion spring (12) is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210095.XU CN204464187U (en) | 2015-04-09 | 2015-04-09 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210095.XU CN204464187U (en) | 2015-04-09 | 2015-04-09 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464187U true CN204464187U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520210095.XU Active CN204464187U (en) | 2015-04-09 | 2015-04-09 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293457A (en) * | 2016-04-12 | 2017-10-24 | 上海良信电器股份有限公司 | A kind of contact system structure-improved of breaker |
-
2015
- 2015-04-09 CN CN201520210095.XU patent/CN204464187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293457A (en) * | 2016-04-12 | 2017-10-24 | 上海良信电器股份有限公司 | A kind of contact system structure-improved of breaker |
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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 | ||
| 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 electronic appliance Limited by Share 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. |