CN202084494U - Breaker with plastic shell - Google Patents
Breaker with plastic shell Download PDFInfo
- Publication number
- CN202084494U CN202084494U CN2011202040448U CN201120204044U CN202084494U CN 202084494 U CN202084494 U CN 202084494U CN 2011202040448 U CN2011202040448 U CN 2011202040448U CN 201120204044 U CN201120204044 U CN 201120204044U CN 202084494 U CN202084494 U CN 202084494U
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- CN
- China
- Prior art keywords
- draw bar
- breaker
- adjusting rod
- plastic casing
- adjusting
- 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 - Lifetime
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Abstract
The utility model discloses a breaker with a plastic shell. The problem that the sensitivity of short-circuit protection is affected after overload current in the breaker is adjusted is solved. The breaker comprises a base, wherein a draw bar is hinged in the base and corresponds to a lock catch; the lock catch can be driven to act to trip the breaker under the rotation of the draw bar; an adjusting rod is arranged on the draw bar; the draw bar and the adjusting rod are of split type structures; and an adjusting device is arranged on the adjusting rod and can enable the adjusting rod to slide relative to the draw bar. The breaker has the beneficial effects that: the adjusting rod independently acts relative to the draw bar, the draw bar is kept static when the overload current is adjusted, and the position of the draw bar is not changed relative to an iron core, so the magnetic attraction force of the iron core to the draw bar is not changed and short-circuit protection is not affected. In the breaker with the plastic shell disclosed by the utility model, the sensitivity of the short-circuit protection is not affected when the overload current is adjusted; the space is saved; and the aim that the rated overload current can be adjusted through the breaker with the plastic shell of a low current is fulfilled.
Description
Technical field
The utility model relates to a kind of breaker of plastic casing.
Background technology
Circuit breaker is can close to close, carry and cut-off electric current under the normal loop condition, and can close the switching device that is combined in carrying in the official hour and cut-offs the electric current under the unusual loop condition (comprising short circuit condition).Be hinged with draw bar in the pedestal of circuit breaker, draw bar is corresponding with snap close, and the rotation of release (bimetal leaf or iron core) promotion draw bar can drive the snap close action and make circuit breaker tripping, realizes protection of overload road and short-circuit protection.
When the overload protection, the thermometal deformed element promotes adjusting rod, and adjusting rod rotates along jointed shaft with draw bar, drives the snap close action and makes circuit breaker tripping, realizes the protection of overload road; When short-circuit protection, electric current makes the magnetic attraction that produces unshakable in one's determination, and draw bar is rotated along jointed shaft, drives the snap close action and makes circuit breaker tripping, realizes short-circuit protection.Because the client is when using under the condition of different rated current, the time regular meeting regulate the overload rating electric current of circuit breaker, promptly by the rotation of adjusting knob, make the overload rating electric current of the mobile adjusting circuit breaker of adjusting.The draw bar and the adjusting rod of existing breaker of plastic casing are integral structure, and moving of adjusting rod will drive moving of draw bar, and the space that the mobile needs of whole draw bar are bigger and can influence the absorption affinity of iron core to draw bar promptly influences the sensitivity of short-circuit protection.In addition, the pedestal of the breaker of plastic casing of some little electric currents is less, and pedestal does not have the space of moving of draw bar, the therefore function of not regulating the overload rating electric current at the breaker of plastic casing of some little electric currents.
Summary of the invention
For overcoming problem in the background technology; the utility model provides a kind of breaker of plastic casing, and this breaker of plastic casing has avoided circuit breaker after regulating overload current, influences the sensitivity of short-circuit protection; save the space, realized the purpose of the adjustable overload rating electric current of breaker of plastic casing of little electric current.
The technical solution of the utility model is: a kind of breaker of plastic casing, comprise pedestal, be hinged with draw bar in the described pedestal, draw bar is corresponding with snap close, the draw bar rotation can drive the snap close action and make circuit breaker tripping, and described draw bar is provided with adjusting rod, and described draw bar and adjusting rod are split-type structural, described adjusting rod is provided with adjusting device, and described adjusting device can make the relative draw bar of adjusting rod slide.
As a kind of improvement of the present utility model, described draw bar is provided with gathering sill, and an end of described adjusting rod places in the gathering sill.
As a kind of improvement of the present utility model, described draw bar is provided with projection, and adjusting rod is provided with storage tank, and an end of adjusting rod is set on the draw bar.
As a kind of improvement of the present utility model, described draw bar is provided with positive stop lug boss on it is axial.
As a kind of improvement of the present utility model, described adjusting device is an adjusting knob.
The beneficial effects of the utility model are; the relative draw bar single movement of adjusting rod, draw bar remains motionlessly when regulating overload current, and draw bar position unshakable in one's determination relatively can not change; so also, the magnetic attraction to draw bar unshakable in one's determination do not change, so can not influence short-circuit protection.The sensitivity of the utility model short-circuit protection when regulating overload current is unaffected, has guaranteed the stability of product, has improved security of products.Saved the space, this structure also can be installed and used in the breaker of plastic casing of little electric current, has realized the purpose of the adjustable overload rating electric current of breaker of plastic casing of little electric current.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is the assembling schematic diagram of draw bar and adjusting rod among the utility model embodiment.
Among the figure, pedestal 1, draw bar 2, positive stop lug boss 21, projection 22, gathering sill 23, adjusting rod 3, inclined-plane 31, storage tank 32, adjusting knob 4, thermometal element 5, support 6, jackscrew 7, unshakable in one's determination 8.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
By shown in Figure 1, a kind of breaker of plastic casing comprises pedestal 1, described pedestal 1 is provided with support 6 and thermometal element 5, be hinged with draw bar 2 in the described pedestal 1, described draw bar 2 is corresponding with snap close, and draw bar 2 rotations can drive the snap close action and make circuit breaker tripping.Described support 6 is provided with the axial limiting groove, and described draw bar 2 axially is provided with positive stop lug boss 21, and described positive stop lug boss 21 is corresponding with stopper slot, prevents draw bar 2 play vertically.Described draw bar 2 is provided with gathering sill 23, described draw bar 2 is provided with adjusting rod 3, described draw bar 2 and adjusting rod 3 are split-type structural, one end of described adjusting rod 3 places in the gathering sill 23, the other end of adjusting rod 3 is set on the draw bar 2, described draw bar 2 is provided with projection 22, adjusting rod 3 is provided with storage tank 32, described projection 22 is located at and is played position-limiting action in the storage tank 32, described adjusting rod 3 is provided with adjusting knob 4, described adjusting knob 4 can make adjusting rod 3 relative draw bars 2 slide, thereby the relative position of regulating adjusting rod 3 and bimetal leaf reaches the purpose of adjusting the overload rating electric current.Described thermometal element 5 is provided with jackscrew 7 and iron core 8, has inclined-plane 31 on the described adjusting rod 3, and jackscrew 7 is corresponding with inclined-plane 31.When adjusting knob 4 was set up the overload rating electric currents, adjusting knob 4 made moving of adjusting rod 3, and adjusting rod 3 mobile changed the corresponding position in jackscrew 7 and inclined-plane 31, thereby can obtain different overload rating electric currents.When open circuit protection, thermometal element 5 is heated, and makes jackscrew 7 promote adjusting rod 3, and adjusting rod 3 drives draw bar 2 and rotates along jointed shaft, makes the circuit breaker overlond trip.Because the utility model; adjusting rod 3 and draw bar 2 are split-type structural; adjusting rod 3 relative draw bar 2 single movements; draw bar 2 remains motionless when regulating the overload rating electric current; so the relative position of 8 pairs of draw bars 2 unshakable in one's determination does not change; the magnetic attraction of 8 pairs of draw bars 2 unshakable in one's determination does not have change yet, so can not influence the sensitivity of short-circuit protection.The sensitivity of the utility model short-circuit protection when regulating the overload rating electric current is unaffected, has guaranteed the stability of product, has improved security of products.
Every technical staff's notice: though the utility model is described according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (5)
1. breaker of plastic casing, comprise pedestal (1), be hinged with draw bar (2) in the described pedestal (1), draw bar (2) is corresponding with snap close, draw bar (2) rotation can drive the snap close action and make circuit breaker tripping, it is characterized in that: described draw bar (2) is provided with adjusting rod (3), described draw bar (2) and adjusting rod (3) are split-type structural, described adjusting rod (2) is provided with adjusting device, and described adjusting device can make adjusting rod (3) draw bar (2) slip relatively.
2. breaker of plastic casing according to claim 1 is characterized in that described draw bar (2) is provided with gathering sill (23), and an end of described adjusting rod (3) places in the gathering sill (23).
3. breaker of plastic casing according to claim 1 and 2 is characterized in that described draw bar (2) is provided with projection (22), and adjusting rod (3) is provided with storage tank (32), and an end of adjusting rod (3) is set on the draw bar (2).
4. breaker of plastic casing according to claim 1 is characterized in that described draw bar (2) is provided with positive stop lug boss (21) on it is axial.
5. breaker of plastic casing according to claim 1 is characterized in that described adjusting device is adjusting knob (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040448U CN202084494U (en) | 2011-06-16 | 2011-06-16 | Breaker with plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202040448U CN202084494U (en) | 2011-06-16 | 2011-06-16 | Breaker with plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084494U true CN202084494U (en) | 2011-12-21 |
Family
ID=45345116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202040448U Expired - Lifetime CN202084494U (en) | 2011-06-16 | 2011-06-16 | Breaker with plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202084494U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050341A (en) * | 2012-12-20 | 2013-04-17 | 浙江天正电气股份有限公司 | Universal case for molded case circuit breaker, molded case circuit breaker and residual current circuit breaker |
| CN103474303A (en) * | 2013-08-13 | 2013-12-25 | 德力西电气有限公司 | Molded case circuit breaker with hinged draw bar |
| CN104008934A (en) * | 2014-04-30 | 2014-08-27 | 浙江之路电气有限公司 | Molded case circuit breaker |
| WO2016173463A1 (en) * | 2015-04-28 | 2016-11-03 | 上海电科电器科技有限公司 | Thermomagnetic protection device, thermal protection component and magnetic protection component |
-
2011
- 2011-06-16 CN CN2011202040448U patent/CN202084494U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050341A (en) * | 2012-12-20 | 2013-04-17 | 浙江天正电气股份有限公司 | Universal case for molded case circuit breaker, molded case circuit breaker and residual current circuit breaker |
| CN103050341B (en) * | 2012-12-20 | 2015-12-02 | 浙江天正电气股份有限公司 | Universal plastic-casing Shell of circuit breaker, breaker of plastic casing and residual current circuit breaker |
| CN103474303A (en) * | 2013-08-13 | 2013-12-25 | 德力西电气有限公司 | Molded case circuit breaker with hinged draw bar |
| CN103474303B (en) * | 2013-08-13 | 2015-12-16 | 德力西电气有限公司 | A kind of breaker of plastic casing with hinge-type draw bar |
| CN104008934A (en) * | 2014-04-30 | 2014-08-27 | 浙江之路电气有限公司 | Molded case circuit breaker |
| CN104008934B (en) * | 2014-04-30 | 2016-06-29 | 浙江之路电气有限公司 | Breaker of plastic casing |
| WO2016173463A1 (en) * | 2015-04-28 | 2016-11-03 | 上海电科电器科技有限公司 | Thermomagnetic protection device, thermal protection component and magnetic protection component |
| RU2696005C2 (en) * | 2015-04-28 | 2019-07-30 | Сэари Электрик Технолоджи Ко., Лтд. | Thermomagnetic protection device, thermal protection assembly and magnetic protection assembly |
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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: Shanghai Chaoan Electrical Co., Ltd. Assignor: Zhejiang Gacia Electrical Appliances Co., Ltd. Contract record no.: 2012330000250 Denomination of utility model: Plastic case circuit breaker Granted publication date: 20111221 License type: Exclusive License Record date: 20120509 |
|
| C56 | Change in the name or address of the patentee |
Owner name: GACIA ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER NAME: ZHEJIANG GACIA ELECTRICAL APPLIANCES CO., LTD. |
|
| 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: GACIA 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: Zhejiang Gacia Electrical Appliances Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Chaoan Electrical Co., Ltd. Assignor: Zhejiang Gacia Electrical Appliances Co., Ltd. Contract record no.: 2012330000250 Denomination of utility model: Plastic case circuit breaker Granted publication date: 20111221 License type: Exclusive License Record date: 20120509 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |