CN104835699B - A kind of breaker provided with double acting contact - Google Patents
A kind of breaker provided with double acting contact Download PDFInfo
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- CN104835699B CN104835699B CN201510210600.5A CN201510210600A CN104835699B CN 104835699 B CN104835699 B CN 104835699B CN 201510210600 A CN201510210600 A CN 201510210600A CN 104835699 B CN104835699 B CN 104835699B
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- moving contact
- contact
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- double acting
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Abstract
A kind of breaker provided with double acting contact.The most only one of which moving contact of present breaker is mainly solved, when in use, the contact area of dynamic and static contact is small for the breaker of this spline structure, and the heat of generation is not easy to distribute, and temperature rise is higher, the problem of influenceing contact service life.It is characterized in that：The moving contact includes the first moving contact（12）With the second moving contact（17）, first moving contact（12）With the second moving contact（17）Be coaxially disposed and with the support（11）It is hinged, the support（11）It is provided with and first moving contact（12）With the second moving contact（17）The moving contact torsion spring of adaptation（111）.The present invention provides a kind of breaker provided with double acting contact, its support is provided with least two moving contacts, add the contact area of dynamic/static contact, temperature rise is relatively low, contact service life is long, even if a moving contact occurs in that failure, another moving contact can also work as usual, it is ensured that the stabilization of breaker operation.
Description
Technical field
The present invention relates to field of circuit breakers, a kind of specifically breaker provided with double acting contact.
Background technology
Breaker have advanced structure, dependable performance, strong breaking capacity, it is aesthetic in appearance compact the features such as, make office building, live
The overload and short-circuit protection of the illumination of residence and similar building, distribution line and equipment are used, and can act also as circuit infrequently
Make-break operation is used with conversion, the most only one of which moving contact of present breaker（Such as A of Publication No. CN 103140911, specially
The Chinese patent of sharp entitled " breaker "）, the breaker of this spline structure when in use, the contact area of dynamic and static contact
Small, the heat of generation is not easy to distribute, and temperature rise is higher, influences contact service life.
The content of the invention
In order to overcome the shortcomings of background technology, the present invention provides a kind of breaker provided with double acting contact, mainly solves existing
The most only one of which moving contact of breaker, the breaker of this spline structure when in use, the contact area of dynamic and static contact
Small, the heat of generation is not easy to distribute, and temperature rise is higher, the problem of influenceing contact service life.
The technical solution adopted in the present invention is：
Tripping mechanism, arc-extinguishing mechanism, institute are provided with a kind of breaker provided with double acting contact, including housing, the housing
Stating tripping mechanism includes support, magnetictrip, lock, moving contact, tripping and the moving contact torsion spring being adapted to the moving contact,
The magnetictrip is correspondingly arranged with the lock, and the tripping and lock are correspondingly arranged, and the moving contact includes first and moved
Contact and the second moving contact, first moving contact and the second moving contact are coaxially disposed and are hinged with the support, the branch
Frame is provided with the moving contact torsion spring being adapted to first moving contact and the second moving contact.
The moving contact torsion spring is double end torsion spring.
On the support both sides be respectively equipped with the first jointed shaft corresponding with first moving contact and the second moving contact and
Second jointed shaft, two of the moving contact torsion spring is respectively sleeved on first jointed shaft and the second jointed shaft, the shell
Internal wall is additionally provided with support jointed shaft corresponding with the support, and the moving contact torsion spring two ends are supported with the support jointed shaft
Pressure, middle-end is compressed with first moving contact and the second moving contact.
On the support escape groove is correspondingly provided with first moving contact and the second moving contact upper end.
Be additionally provided with positive stop lug boss in the housing, the positive stop lug boss is provided with stopper slot, the pedestal upper end be provided with
The spacing block set of the stopper slot adaptation.
The frame bottom is additionally provided with dovetail groove, in addition to back-moving spring, the back-moving spring front end and the dovetail groove
It is spacing to coordinate and press on the dovetail trench bottom, and the back-moving spring rear end presses on the housing sidewall.
First moving contact and the second moving contact structure, shape are identical.
The tripping mechanism also includes double gold plaques and the connecting rod with the lock linkage, and the connecting rod includes and the lock
The front end of connection and rear end corresponding with described pair of gold plaque, the lock be provided with pin-and-hole, the front end include limiting section and
The plug pin portion being adapted to the pin-and-hole, the lock be provided with to the limiting section using pin-and-hole as round dot swaying direction on limit
First stopper slot of position.
Be additionally provided with first boss and second boss corresponding to the limiting section both sides on the lock, the first boss and
The first described stopper slot is formed between second boss, the height of the first boss and second boss is more than the limiting section
Diameter.
In 90 degree of settings between the limiting section and plug pin portion.
The beneficial effects of the invention are as follows：The present invention provides a kind of breaker provided with double acting contact, and its support is provided with extremely
Few two moving contacts, add the contact area of dynamic/static contact, temperature rise is relatively low, contact service life is long, even and if one it is dynamic
Contact occurs in that failure, and another moving contact can also work as usual, it is ensured that the stabilization of breaker operation.
Brief description of the drawings
Fig. 1 illustrates for the internal structure of one embodiment of the invention.
Fig. 2 is the sectional perspective schematic diagram of one embodiment of the invention.
Fig. 3 is the schematic perspective view of the support of one embodiment of the invention.
Enlarged drawing at Fig. 4 Figure 1A.
Fig. 5 is enlarged drawing at 1B.
Fig. 6 is the schematic perspective view of the connecting rod of one embodiment of the invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：As illustrated, a kind of breaker provided with double acting contact, bag
Include housing 1, be provided with tripping mechanism, arc-extinguishing mechanism in the housing 1, the tripping mechanism include support 11, magnetictrip 16,
Lock 13, moving contact, tripping 14 and the moving contact torsion spring 111 being adapted to the moving contact, the magnetictrip 16 with it is described
Lock 13 is correspondingly arranged, and the tripping 14 and lock 13 are correspondingly arranged, and it is dynamic that the moving contact includes the first moving contact 12 and second
Contact 17, the moving contact 17 of the first moving contact 12 and second is coaxially disposed and is hinged with the support 11, the support 11
Provided with the moving contact torsion spring 111 being adapted to the moving contact 17 of the first moving contact 12 and second.The present invention provides one kind and is provided with
The breaker of double acting contact, its support adds the contact area of dynamic/static contact provided with least two moving contacts, temperature rise compared with
Low, contact service life is long, even and if a moving contact occurs in that failure, another moving contact can also as usual work, protect
The stabilization of breaker operation is demonstrate,proved.
In the present invention, as illustrated, the moving contact torsion spring 111 is double end torsion spring.Herein with the realization pair of double end torsion spring
The reset of two moving contacts, is preferred scheme, naturally it is also possible to be designed to 2 torsion springs according to the actual requirements to realize.
In the present invention, as illustrated, both sides are respectively equipped with and first moving contact 12 and second on the support 11
The corresponding jointed shaft 113 of first jointed shaft 112 and second of moving contact 17, two of the moving contact torsion spring 111 is respectively sleeved at
On the jointed shaft 113 of first jointed shaft 112 and second, the inwall of housing 1 is additionally provided with and the corresponding support of the support 11
Jointed shaft 15, the two ends of moving contact torsion spring 111 are compressed with the support jointed shaft 15, middle-end and first moving contact 12 and
Second moving contact 17 is compressed.The two ends of support are provided with the first jointed shaft and the second jointed shaft, the first moving contact and the second moving contact
Corresponding to be arranged on the first jointed shaft and the second jointed shaft, the middle-end of contact torsion spring is pressed on the first moving contact and second simultaneously
Realize the Synchronization Control to two moving contacts in the back of moving contact.
In the present invention, as illustrated, on the support 11 with the upper end of 12 and second moving contact of the first moving contact 17
It is correspondingly provided with escape groove 117.When moving contact rotates and resets, interference will not be produced with support, using effect is more preferable.
In the present invention, as illustrated, being additionally provided with positive stop lug boss 18 in the housing 1, the positive stop lug boss 18 is provided with
Stopper slot 181, the upper end of support 11 is provided with the spacing block set 119 being adapted to the stopper slot 181.Support motion when
Wait, operation is more steady, and using effect is good.
In the present invention, as illustrated, the bottom of the support 11 is additionally provided with dovetail groove 115, in addition to back-moving spring 116,
The spacing cooperation of the front end of back-moving spring 116 and the dovetail groove 115 and the bottom of dovetail groove 115 is pressed on, and it is described multiple
The position rear end of spring 116 presses on the side wall of housing 1.In use, a few circles before back-moving spring can be placed into dovetail groove
Interior, such back-moving spring is not fallen out, and performance is more stablized when acting on support, simple in construction, using effect
It is good.
In the present invention, as illustrated, first moving contact 12 is identical with the structure of the second moving contact 17, shape.It is easy to
Processing, is easy to obtain, assembling more facilitates, and may be otherwise and designs different size of moving contact according to the actual requirements.
In the present invention, as illustrated, the tripping mechanism also includes double gold plaques 151 and the company with the linkage of lock 13
Bar 171, the connecting rod 171 include with it is described lock 13 connection front ends 172 and with the described pair of corresponding rear end of gold plaque 15
173, the lock 13 is provided with pin-and-hole 134, and the front end 172 includes limiting section 174 and the latch being adapted to the pin-and-hole 134
Portion 175, it is described lock 13 be provided with to the limiting section 174 with pin-and-hole 134 be round dot swaying direction on carry out spacing first
Stopper slot 135.Here during stopper slot can be the groove or groove being located between two boss, its tripping mechanism
Lock be provided with to connecting rod using pin-and-hole as round dot swaying direction on carry out spacing stopper slot, breaker carry out point and lock act
When, be not in swing, using effect is more preferable.
In the present invention, as illustrated, being additionally provided with first boss corresponding to the both sides of limiting section 174 on the lock 13
136 and second boss 137, the first described stopper slot 135 is formed between the first boss 136 and second boss 137, it is described
The height of first boss 136 and second boss 137 is more than the diameter of the limiting section 174.As preferred, set on lock
First boss and second boss, by the inwall of first boss and second boss come to limiting section carry out it is spacing, it is simple in construction, make
It is more preferable with effect.
In the present invention, as illustrated, in 90 degree of settings between the limiting section 174 and plug pin portion 175.Structure is more steady
Fixed, using effect is more preferable.
Embodiment is not construed as limitation of the present invention, but any spiritual improvements introduced based on the present invention, all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of breaker provided with double acting contact, including housing（1）, the housing（1）It is interior to be provided with tripping mechanism, arc extinguishing machine
Structure, the tripping mechanism includes support（11）, magnetictrip（16）, lock（13）, moving contact, tripping（14）Moved with described
The moving contact torsion spring of contact adaptation（111）, the magnetictrip（16）With the lock（13）It is correspondingly arranged, the tripping
（14）And lock（13）It is correspondingly arranged, it is characterised in that：The moving contact includes the first moving contact（12）With the second moving contact
（17）, first moving contact（12）With the second moving contact（17）Be coaxially disposed and with the support（11）It is hinged, the branch
Frame（11）It is provided with and first moving contact（12）With the second moving contact（17）The moving contact torsion spring of adaptation（111）, it is described de-
Buckle mechanism also includes double gold plaques（151）With with the lock（13）The connecting rod of linkage（171）, the connecting rod（171）Including with institute
State lock（13）The front end of connection（172）And with described pair of gold plaque（15）Corresponding rear end（173）, the lock（13）On set
There is pin-and-hole（134）, the front end（172）Including limiting section（174）With with the pin-and-hole（134）The plug pin portion of adaptation（175）, institute
State lock（13）It is provided with to the limiting section（174）With pin-and-hole（134）To carry out the first spacing limit on round dot swaying direction
Position groove（135）, the housing（1）Inside it is additionally provided with positive stop lug boss（18）, the positive stop lug boss（18）It is provided with stopper slot（181）,
The support（11）Upper end is provided with and the stopper slot（181）The spacing block set of adaptation（119）.
2. a kind of breaker provided with double acting contact according to claim 1, it is characterised in that：The moving contact torsion spring
（111）For double end torsion spring.
3. a kind of breaker provided with double acting contact according to claim 2, it is characterised in that：The support（11）Upper two
Side is respectively equipped with and first moving contact（12）With the second moving contact（17）Corresponding first jointed shaft（112）It is hinged with second
Axle（113）, the moving contact torsion spring（111）Two be respectively sleeved at first jointed shaft（112）With the second jointed shaft
（113）On, the housing（1）Inwall is additionally provided with and the support（11）Corresponding support jointed shaft（15）, the moving contact torsion
Spring（111）Two ends and the support jointed shaft（15）Compress, middle-end and first moving contact（12）With the second moving contact（17）
Compress.
4. a kind of breaker provided with double acting contact according to claim 1, it is characterised in that：The support（11）It is upper with
First moving contact（12）With the second moving contact（17）Upper end is correspondingly provided with escape groove（117）.
5. a kind of breaker provided with double acting contact according to claim 1, it is characterised in that：The support（11）Bottom
It is additionally provided with dovetail groove（115）, in addition to back-moving spring（116）, the back-moving spring（116）Front end and the dovetail groove（115）
It is spacing to coordinate and press on the dovetail groove（115）Bottom, and the back-moving spring（116）Rear end presses on the housing（1）
Side wall.
6. a kind of breaker provided with double acting contact according to claim 1, it is characterised in that：First moving contact
（12）With the second moving contact（17）Structure, shape are identical.
7. a kind of breaker provided with double acting contact according to claim 1, it is characterised in that：The lock（13）Shang pair
Limiting section described in Ying Yu（174）Both sides are additionally provided with first boss（136）And second boss（137）, the first boss（136）With
Second boss（137）Between form the first described stopper slot（135）, the first boss（136）And second boss（137）'s
Highly it is more than the limiting section（174）Diameter.
8. a kind of breaker provided with double acting contact according to claim 7, it is characterised in that：The limiting section（174）
And plug pin portion（175）Between in 90 degree set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210600.5A CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210600.5A CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835699A CN104835699A (en) | 2015-08-12 |
| CN104835699B true CN104835699B (en) | 2017-09-12 |
Family
ID=53813514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510210600.5A Active CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835699B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971921B (en) * | 2017-04-17 | 2019-10-01 | 乐清市沃斯托电气有限公司 | Breaker |
| CN107546077A (en) * | 2017-10-21 | 2018-01-05 | 浙江诺科电气科技股份有限公司 | High current miniature circuit breaker |
| CN115424902B (en) * | 2022-09-07 | 2024-04-23 | 加西亚电子电器股份有限公司 | Leakage circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1318215B1 (en) * | 2000-07-21 | 2003-07-28 | Gewiss Spa | MAGNETOTHERMAL ELECTRIC SWITCH |
| CN201438448U (en) * | 2009-04-29 | 2010-04-14 | 温州波普电气有限公司 | Small circuit breaker |
| CN102655066A (en) * | 2012-03-31 | 2012-09-05 | 温州奥来电器有限公司 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
| CN204537965U (en) * | 2015-04-29 | 2015-08-05 | 浙江天正电气股份有限公司 | A kind of circuit breaker being provided with two moving contact |
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2015
- 2015-04-29 CN CN201510210600.5A patent/CN104835699B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104835699A (en) | 2015-08-12 |
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