CN204118005U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN204118005U CN204118005U CN201420469426.7U CN201420469426U CN204118005U CN 204118005 U CN204118005 U CN 204118005U CN 201420469426 U CN201420469426 U CN 201420469426U CN 204118005 U CN204118005 U CN 204118005U
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- location
- contact
- snap close
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model 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, contact support is provided with 2 location-plates of certain interval of being separated by, the outside of 2 location-plates is provided with bulge loop, contact support is provided with torsion spring, torsion spring comprises 2 torsion springs, 2 torsion springs are symmetrically distributed in the both sides of moving contact, 2 torsion springs 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 the second torsion spring, the other end of 2 torsion springs be connected and with moving contact clamping matching, 2 location-plates and bulge loop are equipped 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 utility model relates to a kind of low-voltage electrical apparatus, refers 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.
Utility model content
In order to overcome shortcoming and the weak point of background technology, the utility model provides a kind of miniature circuit breaker, and the operating mechanism solving existing miniature circuit breaker exists poor accuracy, stability is low and serviceability is poor technical problem in use.
The technical solution of the utility model 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 equipped 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.
Also comprise electromagnetic system, described catch is L shape, comprises horizontal part and vertical portion, and described horizontal part coordinates with the front of moving contact is spacing, matches with described electromagnetic system in described vertical portion.
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.
the utility model 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 utility model.
Fig. 2 is the structural representation of the utility model operating mechanism.
Fig. 3 is another angled arrangement schematic diagram of the utility model operating mechanism.
Fig. 4 is the exploded view of the utility model operating mechanism.
Fig. 5 is the structural representation that in the utility model, contact is supported.
Fig. 6 is the structural representation that in the utility model, contact supports another angle.
Fig. 7 is the structural representation of snap close in the utility model.
Fig. 8 is exploded view of the present utility model.
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, embodiment of the present utility model is 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 utility model, but anyly done based on spirit of the present utility model
Improvement, all should within protection range of the present utility model.
Claims (7)
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 (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).
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 supporting (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 (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).
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469426.7U CN204118005U (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469426.7U CN204118005U (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118005U true CN204118005U (en) | 2015-01-21 |
Family
ID=52335293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420469426.7U Withdrawn - After Issue CN204118005U (en) | 2014-08-20 | 2014-08-20 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167333A (en) * | 2014-08-20 | 2014-11-26 | 加西亚电子电器有限公司 | Miniature circuit breaker |
-
2014
- 2014-08-20 CN CN201420469426.7U patent/CN204118005U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167333A (en) * | 2014-08-20 | 2014-11-26 | 加西亚电子电器有限公司 | Miniature circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203707424U (en) | Socket | |
| CN204118005U (en) | A kind of miniature circuit breaker | |
| CN104167333B (en) | A kind of miniature circuit breaker | |
| CN209250054U (en) | High-voltage board with breaker eye-splice ground structure | |
| CN203967633U (en) | A kind of aerial cable aid | |
| CN206252822U (en) | The motion tracker that a kind of bandage is fixed | |
| CN204464187U (en) | A kind of miniature circuit breaker | |
| CN202159851U (en) | Small double-grounding four-core socket | |
| CN201976387U (en) | Cabinet nested structure convenient in maintenance | |
| CN216161061U (en) | Machine box | |
| CN205026319U (en) | Surveying instrument support | |
| CN203707594U (en) | Low-voltage cabinet door lock device | |
| CN204103123U (en) | GPS plug-in holder | |
| CN202886662U (en) | Optical module | |
| CN204614653U (en) | Copper bar installed by a kind of instant-plugging current transformer | |
| CN202678811U (en) | Plug-in type guide positioning grounding structure of breaker handcart | |
| CN204614654U (en) | A kind of instant-plugging current transformer device | |
| CN203968546U (en) | A kind of equipment mounting bracket for locomotive screen cabinet | |
| CN211125500U (en) | Time relay | |
| CN202651464U (en) | Cover plate and main body installation structure for FPC connector | |
| CN202817258U (en) | An integral SIM card base | |
| CN107656145A (en) | A kind of antenna detection device | |
| CN202721299U (en) | Electrical connector automatic suspending positioning connection device | |
| CN205961638U (en) | Controller module installing support | |
| CN207488372U (en) | A kind of antenna detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Poyang Garcia Electronic Appliance Co., Ltd. Assignor: GACIA ELECTRICAL APPLIANCE CO., LTD. Contract record no.: 2015990000807 Denomination of utility model: Small-sized breaker Granted publication date: 20150121 License type: Common License Record date: 20150918 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |