CN104167333B - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN104167333B CN104167333B CN201410409709.7A CN201410409709A CN104167333B CN 104167333 B CN104167333 B CN 104167333B CN 201410409709 A CN201410409709 A CN 201410409709A CN 104167333 B CN104167333 B CN 104167333B
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- location
- snap close
- plate
- circuit breaker
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The present invention relates to a kind of miniature circuit breaker.There is poor accuracy, stability is low and serviceability is poor technical problem in use in the operating mechanism mainly solving existing miniature circuit breaker.Comprise shell, contact is supported, moving contact, snap close and tripping, snap close matches with tripping, contact support is provided with the first location-plate and second location-plate of certain interval of being separated by, the outside of the first location-plate and the second location-plate is provided with bulge loop, described contact support is provided with torsion spring, torsion spring comprises the first torsion spring and the second torsion spring, first torsion spring and the second torsion spring are symmetrically distributed in the both sides of moving contact, first torsion spring and the second torsion spring are sheathed on the bulge loop of each location-plate respectively, clamping matching is supported with contact respectively in one end of first torsion spring and one end of the second torsion spring, the other end of the first torsion spring be connected with the other end of the second torsion spring and with moving contact clamping matching, first location-plate and the second location-plate and bulge loop are provided with fixed axis, moving contact is positioned at gap and is articulated with on fixed axis.Because this miniature circuit breaker adopts rational structural design, accurate positioning, stability is high and serviceability good, also has that structure is simple, cost is low in addition and the advantage such as easy for installation.
Description
Technical field
The present invention relates to a kind of low-voltage electrical apparatus, refer in particular to a kind of miniature circuit breaker.
Background technology
At present, the operating mechanism of the miniature circuit breaker in market, comprise contact support, tripping, snap close and moving contact, moving contact is installed and is articulated with in contact support, a torsion spring is adopted between moving contact and contact, moving contact action when contacting with fixed contact is driven in contact support, 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 whole operating mechanism is when resetting, is adopt between contact support and shell, to arrange a spring realize, when mounting spring, there is unhandy problem.
Summary of the invention
In order to overcome shortcoming and the weak point of background technology, the invention provides a kind of miniature circuit breaker, there is poor accuracy, stability is low and serviceability is poor technical problem in the operating mechanism solving existing miniature circuit breaker in use.
Technical scheme of the present invention is: a kind of miniature circuit breaker, comprise shell, contact is supported, moving contact, snap close and tripping, described snap close matches with tripping, , described contact support 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 bulge loop, described contact support 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 bulge loop of each location-plate respectively, clamping matching is supported with contact respectively in one end of described first torsion spring and one end of described second torsion spring, 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 bulge loop are provided with fixed axis, described moving contact is positioned at gap and is articulated with on fixed axis.
Described snap close is articulated with contact and supports, described contact support is fixed with bearing pin, and described bearing pin outer race is provided with torsion spring, and one end of described torsion spring is blocked mutually with bearing pin, and the other end of described torsion spring blocks mutually with snap close.
The middle part of described bearing pin is provided with opening, and the upper end of described bearing pin is provided with boss, and described snap close is provided with draw-in groove, and one end bending of described torsion spring snaps in opening, and the other end slips over boss and blocks mutually with the draw-in groove of described snap close.
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, the coordinating of described vertical portion and electromagnetic system realizes moving contact and disconnects fast.
Described contact supporting upper end is provided with the first installation shaft, lower end is provided with the location hole coaxially distributed with described first installation shaft, described snap close is provided with coaxial distribution and installing hole separated by a distance and locating shaft, described installing hole matches with described first installation shaft, and described locating shaft matches with described location hole.
Described shell is fixed with the second installation shaft, described second installation shaft is provided with spring, and one end of described spring is blocked mutually with shell, and the other end blocks mutually with contact support.
A kind of installation method of operating mechanism of miniature circuit breaker, on shake-up is supported, a middle part is installed and is provided with the bearing pin with opening, the upper end of bearing pin has boss, first one end bending of torsion spring is stuck in the bottom of opening, then torsion spring set outside bearing pin, again the other end of torsion spring is stuck on boss, then snap close is arranged on contact to support, after snap close is in place, upwardly be stuck in this end of torsion spring of boss, make this end of this torsion spring depart from the screens of boss, be stuck on snap close under the effect of elastic force.
the present invention has following beneficial effect:because this miniature circuit breaker adopts rational structural design, make moving contact in combined floodgate or separating brake process, there is accurate positioning, stability is high and serviceability is good advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of operating mechanism of the present invention.
Fig. 3 is another angled arrangement schematic diagram of operating mechanism of the present invention.
Fig. 4 is the exploded view of operating mechanism of the present invention.
Fig. 5 is the structural representation that in the present invention, contact is supported.
Fig. 6 is the structural representation that in the present invention, contact supports another angle.
Fig. 7 is the structural representation of snap close in the present invention.
Fig. 8 is structural representation of the present invention.
The structural representation of Fig. 9 torsion spring.
In figure, shell 1, contact supports 2, moving contact 3, snap close 4, tripping 5, the first location-plate 6, second location-plate 7, bulge loop 8, torsion spring 9, first torsion spring 91, second torsion spring 92, fixed axis 10, bearing pin 11, torsion spring 12, opening 13, boss 14, draw-in groove 15, catch 16, horizontal part 161, vertical portion 162, the first installation shaft 17, location hole 18, installing hole 19, locating shaft 20, gap 21, the second installation shaft 22, spring 23.
Embodiment
For accompanying drawing, embodiments of the invention are described further below:
As shown in the figure, a kind of miniature circuit breaker, comprise shell 1, contact supports 2, moving contact 3, snap close 4 and tripping 5, described snap close 4 matches with tripping 5, described contact support 2 is provided with the first location-plate 6 and the second location-plate 7 of certain interval 21 of being separated by, the outside of described first location-plate 6 and the second location-plate 7 is provided with bulge loop 8, described contact support 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 bulge loop 8 of each location-plate respectively, 2 clamping matching are supported with contact respectively in one end of described first torsion spring 91 and one end of described second torsion spring 92, 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 bulge loop 8 are equipped with fixed axis 10, described moving contact 3 is positioned at gap 21 and is articulated with on fixed axis 10.By arranging the first location-plate 6 and the second location-plate 7 in contact support, 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 present embodiment, described snap close 4 is articulated with contact and supports that on 2, described contact support 2 is fixed with bearing pin 11, and described bearing pin 11 outer race is provided with torsion spring 12, one end and the bearing pin 11 phase card of described torsion spring 12, the other end and the snap close 4 phase card of described torsion spring 12.By torsion spring being arranged on the bearing pin of contact support, one end of torsion spring is blocked mutually with bearing pin, the other end and snap close 4 phase card, when snap close is rotated, is realized the object resetted by torsion spring.
In the present embodiment, the middle part of described bearing pin 11 is provided with opening 13, and the upper end of described bearing pin 11 is provided with boss 14, and described snap close 4 is provided with draw-in groove 15, one end bending of described torsion spring 12 snaps in opening 13, and the other end slips over the draw-in groove 15 phase card of boss 14 and described snap close 4.In order to easy for installation, bearing pin arranges middle straight-through opening, in the bearing pin upper surface of the side of opening, a boss is set, when torsion spring is installed, first one end bending of torsion spring 12 is stuck in the bottom of opening 13, then torsion spring 12 is enclosed within outside bearing pin 11, again the other end of torsion spring 12 is stuck on boss 14, then snap close 4 being arranged on contact supports on 2, after snap close 4 is in place, upwardly torsion spring 12 is stuck in this end of boss 14, makes this this end of torsion spring 12 depart from the screens of boss 14, be stuck under the effect of elastic force on snap close 4, realize snap close and install.Have that structure is simple, cost is low and the advantage such as easy for installation.
In the present embodiment, 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, is realized moving contact disconnected fast by coordinating of the vertical portion of catch 162 and electromagnetic system.
In the present embodiment, described contact supporting 2 upper end is provided with the first installation shaft 17, lower end is provided with the location hole 18 that distribute coaxial with described first installation shaft 17, described snap close 2 is provided with coaxial distribution and installing hole 19 separated by a distance and locating shaft 20, described installing hole 19 matches with described first installation shaft 17, and described locating shaft 20 matches with described location hole 18.When installing snap close, make location hole 18 and first installation shaft 17 of snap close, just can realize corresponding with installing hole 19 of locating shaft 20 is installed, accurate positioning.
In the present embodiment, described shell 1 is fixed with the second installation shaft 22, described second installation shaft 22 is provided with spring 23, and one end and the shell 1 phase card of described spring 23, the other end and contact support 2 phase cards.By installation shaft on shell, mounting spring on axle, this spring is torsion spring, and one end and the shell 1 phase card of this spring 23, the other end and contact support 2 phase cards, easy for installation, simply.
In the present embodiment, a kind of installation method of operating mechanism of miniature circuit breaker, a middle part is installed in shake-up support 2 and is provided with the bearing pin 11 with opening 13, the upper end of bearing pin 11 has boss 14, first one end bending of torsion spring 12 is stuck in the bottom of opening 13, then torsion spring 12 is enclosed within outside bearing pin 11, again the other end of torsion spring 12 is stuck on boss 14, then snap close 4 being arranged on contact supports on 2, after snap close 4 is in place, upwardly torsion spring 12 is stuck in this end of boss 14, this this end of torsion spring 12 is made to depart from the screens of boss 14, be stuck under the effect of elastic force on snap close 4.
Embodiment should not be considered as the restriction to invention, but anyly done based on spirit of the present invention
Improvement, all should within protection scope of the present invention.
Claims (8)
1. a miniature circuit breaker, comprise shell (1), contact supports (2), moving contact (3), snap close (4) and tripping (5), described snap close (4) matches with tripping (5), it is characterized in that: described contact support (2) is provided with the first location-plate (6) and second location-plate (7) of certain interval of being separated by (21), the outside of described first location-plate (6) and the second location-plate (7) is provided with bulge loop (8), described contact support (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 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 support (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 (3) clamping matching, described first location-plate (6) and the second location-plate (7) and bulge loop (8) are equipped with fixed axis (10), described moving contact (3) is positioned at gap (21) and is articulated with on fixed axis (10).
2. a kind of miniature circuit breaker according to claim 1, it is characterized in that: described snap close (4) is articulated with in contact support (2), described contact support (2) is provided with bearing pin (11), described bearing pin (11) outer race is provided with torsion spring (12), one end of described torsion spring (12) is blocked mutually with bearing pin (11), and the other end of described torsion spring (12) blocks mutually with snap close (4).
3. a kind of miniature circuit breaker according to claim 2, it is characterized in that: the middle part of described bearing pin (11) is provided with opening (13), the upper end of described bearing pin (11) is provided with boss (14), described snap close (4) is provided with draw-in groove (15), one end bending of described torsion spring (12) snaps in opening (13), and the other end slips over boss (14) and blocks mutually with the draw-in groove (15) of described snap close (4).
4. a kind of miniature circuit breaker according to Claims 2 or 3, 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: also comprise electromagnetic system, 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) match with described electromagnetic system.
6. a kind of miniature circuit breaker according to Claims 2 or 3, it is characterized in that: described contact support (2) upper end is provided with the first installation shaft (17), lower end is provided with the coaxial location hole (18) distributed with described first installation shaft (17), described snap close (4) is provided with coaxial distribution and installing hole (19) separated by a distance and locating shaft (20), described installing hole (19) matches with described first installation shaft (17), and described locating shaft (20) matches with described location hole (18).
7. a kind of miniature circuit breaker according to Claims 2 or 3, it is characterized in that: described shell (1) is fixed with the second installation shaft (22), described second installation shaft (22) is provided with spring (23), one end of described spring (23) is blocked mutually with shell (1), and the other end blocks mutually with contact support (2).
8. the installation method of the operating mechanism of a miniature circuit breaker, it is characterized in that: be provided with the bearing pin (11) with opening (13) at the upper installation middle part of contact support (2), the upper end of bearing pin (11) has boss (14), first one end bending of torsion spring (12) is stuck in the bottom of opening (13), then torsion spring (12) is enclosed within bearing pin (11) outward, again the other end of torsion spring (12) is stuck on boss (14), then snap close (4) is arranged in contact support (2), after snap close (4) is in place, this end that upwardly on torsion spring, (12) block mutually with boss (14), this torsion spring (12) this end is made to depart from the screens of boss (14), be stuck under the effect of elastic force on snap close (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409709.7A CN104167333B (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409709.7A CN104167333B (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104167333A CN104167333A (en) | 2014-11-26 |
| CN104167333B true CN104167333B (en) | 2016-01-06 |
Family
ID=51911109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410409709.7A Active CN104167333B (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104167333B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887236B (en) * | 2017-12-27 | 2020-08-07 | 合兴集团有限公司 | Operating mechanism of miniature circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567455A (en) * | 1983-04-28 | 1986-01-28 | Mitsubishi Denki K.K. | Circuit interrupter |
| US5539167A (en) * | 1994-02-14 | 1996-07-23 | Square D. Company | Blade suspension assemlby for a circuit breaker |
| CN101540244B (en) * | 2008-03-21 | 2013-05-29 | 浙江加西亚电子电器有限公司 | Tripping device |
| FR2956922B1 (en) * | 2010-03-01 | 2012-08-24 | Schneider Electric Ind Sas | CUTTING DEVICE |
| CN102881531B (en) * | 2012-09-13 | 2015-02-25 | 浙江天正电气股份有限公司 | Easily-assembled small circuit breaker and operating mechanism thereof |
| CN103545150B (en) * | 2013-09-27 | 2017-04-19 | 浙江大华电气有限公司 | Breaker operating mechanism |
| CN203659772U (en) * | 2013-12-31 | 2014-06-18 | 德力西电气有限公司 | Rapid closing mechanism for micro breaker |
| CN204118005U (en) * | 2014-08-20 | 2015-01-21 | 加西亚电子电器有限公司 | A kind of miniature circuit breaker |
-
2014
- 2014-08-20 CN CN201410409709.7A patent/CN104167333B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104167333A (en) | 2014-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104167333B (en) | A kind of miniature circuit breaker | |
| CN204118005U (en) | A kind of miniature circuit breaker | |
| CN102683986A (en) | Connector assembly | |
| CN206252822U (en) | The motion tracker that a kind of bandage is fixed | |
| CN203786196U (en) | High-voltage live display device which can be installed and detached lively | |
| CN204816901U (en) | Electrostatic air purifier's high voltage static mechanism of discharging | |
| CN209488669U (en) | A kind of solar powered WiFi camera Destaticizing device | |
| CN202887075U (en) | Expansion card fixing device | |
| CN202159851U (en) | Small double-grounding four-core socket | |
| CN205026319U (en) | Surveying instrument support | |
| CN103729034A (en) | Expansion card fixing device | |
| CN204464187U (en) | A kind of miniature circuit breaker | |
| CN216161061U (en) | Machine box | |
| CN204103123U (en) | GPS plug-in holder | |
| CN203135067U (en) | Double-line earphone socket | |
| CN102780121B (en) | Flexible printed circuit (FPC) connector clip cover plate and main body installing structure | |
| CN204191056U (en) | Enclosure for electronic apparatus and electronic equipment | |
| CN202651464U (en) | Cover plate and main body installation structure for FPC connector | |
| CN203645083U (en) | Waterproof connector | |
| CN102751664A (en) | Plug-in guide positioning grounding structure for circuit breaker handcart | |
| CN202886662U (en) | Optical module | |
| CN201976387U (en) | Cabinet nested structure convenient in maintenance | |
| CN203673404U (en) | Intelligent service terminal compatible with various systems | |
| CN208157754U (en) | Connector positioning device of drawout cubicle | |
| CN211125500U (en) | Time relay |
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 | ||
| 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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A miniature circuit breaker Effective date of registration: 20220608 Granted publication date: 20160106 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: GARCIA ELECTRICAL APPLIANCE CO.,LTD. Registration number: Y2022330000895 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |