CN208835005U - Breaker - Google Patents
Breaker Download PDFInfo
- Publication number
- CN208835005U CN208835005U CN201820451717.1U CN201820451717U CN208835005U CN 208835005 U CN208835005 U CN 208835005U CN 201820451717 U CN201820451717 U CN 201820451717U CN 208835005 U CN208835005 U CN 208835005U
- Authority
- CN
- China
- Prior art keywords
- magnetic yoke
- armature
- conductive bar
- connection wall
- tripping
- 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.)
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Abstract
The utility model relates to a kind of breakers, including shell, tripping mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc-chutes, the operating mechanism includes the handle being connected and tripping, and arc-chutes side is corresponded in the shell and is provided with Turbogrid plates.Technical solutions of the utility model, structure is simple, is obstructed by Turbogrid plates to electric arc, improves arc quenching effect.
Description
Technical field
The utility model relates to low-voltage electrical apparatus electrical power distribution apparatus field, especially a kind of breaker (MCB).
Background technique
Supply network commonly uses miniature circuit breaker (MCB) breaker of plastic casing (MCCB), for the magnetic tripping in such product
Device mainly has two kinds of coil type, clapper-type.Generally include shell, tripping mechanism, operating mechanism, moving contact, static contact, bimetallic
Piece and arc-chutes, the operating mechanism includes the handle being connected and tripping, however existing breaker, arc quenching effect are deposited
In deficiency.
Utility model content
In view of the deficienciess of the prior art, that the purpose of this utility model is to provide a kind of structures is simple, improves arc extinguishing
The breaker of effect.
To achieve the above object, the utility model provides following technical solution: a kind of breaker, including shell, tripping
Mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc-chutes, the operating mechanism include the handle that is connected with
Tripping corresponds to arc-chutes side in the shell and is provided with Turbogrid plates.
So set, obstructing by Turbogrid plates to electric arc, arc quenching effect is improved.
The utility model is further arranged: the tripping mechanism includes conductive bar, the magnetic yoke matched with conductive bar and institute
The armature and adjust component that magnetic yoke matches are stated, there is subtended angle between armature conductive bar corresponding with magnetic yoke side, it is described
The subtended angle angle between component adjusting armature and magnetic yoke is adjusted, is provided with the cooperation matched with the tripping on the armature
Portion.
So set, the electric current of magnetic yoke induction conductive bar is attracted armature, the auxiliary section of armature generates work to tripping
It, just can be to breaker when the subtended angle angle between armature and magnetic yoke is adjusted in adjusting component firmly so that tripping is threaded off
Drop-away current be adjusted.Therefore, technical solutions of the utility model, the simple, reliable performance with structure, drop-away current is adjustable
Technical effect.
The utility model is further arranged: the adjusting component includes connection wall, elastic component and adjusting screw, the magnetic yoke
One end and connection wall be articulated and connected, the elastic component to magnetic yoke impose active force make armature conductive bar corresponding with magnetic yoke side it
Between subtended angle be in opening trend, the adjustings screw and connection wall are in be threadedly engaged to connect, and adjust top and the magnetic yoke phase of screw
To setting.
So set, just can be carried out to the subtended angle angle between armature and magnetic yoke by the built-in length for adjusting screw
It adjusts, further such that structure is simple, reliable performance.
The utility model is further arranged: with magnetic yoke in being wholely set, the elastic component is set as stretching the connection wall
The both ends of spring, the extension spring are connected with connection wall and armature respectively.
So set, further making that structure is simple, reliable performance.
The utility model is further arranged: the corresponding screw position that adjusts of the shell is provided with through-hole.
So set, can by outside shell to adjust screw be adjusted, to adjust the drop-away current of breaker so that
It operates simpler.
The utility model is further arranged: the conductive bar is provided with elongated end, and the static contact is arranged in the extension
On end.
So set, further making that structure is simple, reliable performance again.
Detailed description of the invention
Fig. 1 is the utility model embodiment structure chart one；
Fig. 2 is the utility model embodiment structure chart two；
Fig. 3 is the tripping mechanism example structure figure of the utility model.
Specific embodiment
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Referring to attached drawing 1- attached drawing 3, breaker disclosed by the utility model, including shell 1, tripping mechanism 2, operating mechanism 3,
Moving contact 4, static contact 5, bimetal leaf 7 and arc-chutes 6, the operating mechanism 3 include the handle 301 being connected and tripping
302,6 side of arc-chutes, which is corresponded to, in the shell 1 is provided with Turbogrid plates 8.So set, being hindered by Turbogrid plates 8 electric arc
Every improving arc quenching effect.
The present embodiment is further arranged: the magnetic yoke that the tripping mechanism 2 includes conductive bar 201, matches with conductive bar 201
202, the armature 203 and adjusting component matched with the magnetic yoke 202, the conductive bar corresponding with magnetic yoke 202 of armature 203
There is subtended angle, the subtended angle angle adjusted between component adjusting armature 203 and magnetic yoke 202, the armature between 201 sides
The auxiliary section 2031 matched with the tripping 302 is provided on 203.So set, magnetic yoke 202 incudes the electricity of conductive bar 201
Stream is attracted armature 203, and the auxiliary section 2031 of armature 203 generates active force to tripping 302 and tripping 302 is threaded off, when
When the subtended angle angle between armature 203 and magnetic yoke 202 is adjusted in adjusting component, just the drop-away current of breaker can be carried out
It adjusts.Therefore, technical solutions of the utility model, simple, reliable performance, the adjustable technical effect of drop-away current with structure.
The present embodiment is further arranged: the adjusting component includes connection wall 204, elastic component 205 and adjusts screw 206,
One end of the magnetic yoke 202 and connection wall 204 are articulated and connected, and the elastic component 205, which imposes active force to magnetic yoke 202, makes armature
Subtended angle between 203 201 sides of conductive bar corresponding with magnetic yoke 202 is in opening trend, the adjusting screw 206 and connection wall 204
In connection is threadedly engaged, the top and magnetic yoke 202 for adjusting screw 206 offset setting.So set, by adjusting screw 206
Built-in length, just the subtended angle angle between armature 203 and magnetic yoke 202 can be adjusted, further such that structure is simple, property
It can be reliable.Preferably, screw is adjusted to be made of insulating materials.
The present embodiment is further arranged: with magnetic yoke 202 in being wholely set, the elastic component 205 is arranged the connection wall 204
For extension spring, the both ends of the extension spring are connected with connection wall 204 and armature 203 respectively.So set, more into one
Step is so that structure is simple, reliable performance.
The present embodiment is further arranged: corresponding 206 position of screw that adjusts of the shell 1 is provided with through-hole.So set, can
By the way that adjusting screw 206 is adjusted outside shell 1, to adjust the drop-away current of breaker, so that operation is simpler.
The present embodiment is further arranged: the conductive bar 201 is provided with elongated end 2011, and the static contact 5 is arranged in institute
It states on elongated end 2011.So set, further making that structure is simple, reliable performance again.
Claims (6)
1. a kind of breaker, including shell, tripping mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc-chutes,
The operating mechanism includes the handle being connected and tripping, it is characterised in that: corresponds to arc-chutes side in the shell and is provided with
Turbogrid plates.
2. breaker according to claim 1, it is characterised in that: the tripping mechanism include conductive bar, with conductive bar phase
The magnetic yoke of cooperation, the armature matched with the magnetic yoke and adjust component, armature conductive bar corresponding with magnetic yoke side it
Between there is subtended angle, the component that adjusts adjusts subtended angle angle between armature and magnetic yoke, is provided with and the jump on the armature
Detain the auxiliary section matched.
3. breaker according to claim 2, it is characterised in that: the adjusting component includes connection wall, elastic component and tune
Screw is saved, one end of the magnetic yoke and connection wall are articulated and connected, and the elastic component, which imposes active force to magnetic yoke, makes armature and magnetic yoke
Subtended angle between corresponding conductive bar side is in opening trend, and the adjusting screw is in be threadedly engaged to connect with connection wall, adjusts spiral shell
The top of nail and magnetic yoke offset setting.
4. breaker according to claim 3, it is characterised in that: the connection wall is in be wholely set with magnetic yoke, the bullet
Property part is set as extension spring, and the both ends of the extension spring are connected with connection wall and armature respectively.
5. breaker according to claim 3, it is characterised in that: the corresponding adjusting screw position of the shell is provided with logical
Hole.
6. breaker according to claim 2, it is characterised in that: the conductive bar is provided with elongated end, the static contact
It is arranged on the elongated end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451717.1U CN208835005U (en) | 2018-04-02 | 2018-04-02 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451717.1U CN208835005U (en) | 2018-04-02 | 2018-04-02 | Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835005U true CN208835005U (en) | 2019-05-07 |
Family
ID=66302732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820451717.1U Active CN208835005U (en) | 2018-04-02 | 2018-04-02 | Breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835005U (en) |
-
2018
- 2018-04-02 CN CN201820451717.1U patent/CN208835005U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |