CN208028005U - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN208028005U CN208028005U CN201820451119.4U CN201820451119U CN208028005U CN 208028005 U CN208028005 U CN 208028005U CN 201820451119 U CN201820451119 U CN 201820451119U CN 208028005 U CN208028005 U CN 208028005U
- Authority
- CN
- China
- Prior art keywords
- yoke
- armature
- conductive bar
- connection wall
- bimetal leaf
- 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 is related to a kind of breakers, including shell, tripping mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc-extinguishing mechanism, the operating mechanism includes the handle being connected and tripping, the shell corresponds to one side position of bimetal leaf and is provided with screw hole, it is provided with bolt in screw hole, the top of the bolt and the bimetal leaf offset setting.Technical solutions of the utility model have technique effect that is simple in structure, can adjusting bimetal leaf.
Description
Technical field
The utility model is related to low-voltage electrical apparatus electrical power distribution apparatus field, especially a kind of breaker（MCB）.
Background technology
Supply network commonly uses miniature circuit breaker（MCB）Breaker of plastic casing（MCCB）, thread off for the magnetic 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-extinguishing mechanism, the operating mechanism include the handle being connected and tripping, however existing breaker, cannot be to double gold
Belong to piece to be adjusted.
Its design feature is compared, clapper-type magnetic release is generally directly using busbar as magnet exciting coil, and coil type magnetic is de-
Different coil turns can be used according to different current specifications by detaining device.Therefore, clapper-type magnetic release be mostly used specification compared with
In big breaker（More than 80A）, coil type magnetic release is mostly used in the smaller breaker of rated current (be less than 63 A).By
It is limited by space in small-size moulded case circuit breaker (MCB), the small-size moulded case circuit breaker of 18mm wide, maximum rated current can only be done at present
To 125A.
According to national standard, GB10963-2004, such miniature circuit breaker（MCB）Instantaneous trip range it is as follows,
(5.3.5 clauses)
Dropout form exchanges range direct current range
B 3I n <I≤5 I n 4I n <I≤7 I n
C 5I n <I≤10 I n 7I n <I≤15 I n
According to above-mentioned list, the drop-away current of the miniature circuit breaker of different rated current specifications be in a certain range,
It is unmodifiable after manufacture encapsulation.If it is desired to the drop-away current for adjusting product just needs to dismantle the related element of replacement of products.Cause
The protection of this such product is deficient accurately, versatility is not strong.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide it is a kind of it is simple in structure, can adjust
The breaker of bimetal leaf.
To achieve the above object, the utility model provides following technical solution：A kind of breaker, including shell, dropout
Mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc-extinguishing mechanism, the operating mechanism include the handle being connected
With tripping, the shell corresponds to one side position of bimetal leaf and is provided with screw hole, and bolt, the top of the bolt are provided in screw hole
It offsets setting with the bimetal leaf.
So set, by the way that bolt is adjusted, top compresses bimetal leaf, thus just can be to bimetallic
Piece is adjusted.
The utility model is further arranged：The tripping mechanism includes conductive bar and the matched yoke of conductive bar and institute
The matched armature of yoke and adjusting part are stated, there is subtended angle between armature conductive bar corresponding with yoke side, it is described
Adjusting part adjusts the subtended angle angle between armature and yoke, is provided with and the matched cooperation of the tripping on the armature
Portion.
So set, the electric current of yoke induction conductive bar is attracted armature, the auxiliary section of armature generates work to tripping
It, just can be to breaker when subtended angle angle of the adjusting part between armature and yoke is adjusted firmly so that tripping is threaded off
Drop-away current be adjusted.Therefore, technical solutions of the utility model have simple in structure, dependable performance, and drop-away current is adjustable
Technique effect.
The utility model is further arranged：The adjusting part includes connection wall, elastic component and adjusting screw, the yoke
One end and connection wall be articulated and connected, the elastic component to yoke impose active force make armature conductive bar corresponding with yoke side it
Between subtended angle be in opening trend, the adjusting screw connect with connection wall in screw-thread fit, top and the yoke phase of adjusting screw
To setting.
So set, by the built-in length to adjusting screw, just the subtended angle angle between armature and yoke can be carried out
It adjusts, further such that simple in structure, dependable performance.
The utility model is further arranged：With 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 so that simple in structure, dependable performance.
The utility model is further arranged：The shell corresponds to adjusting screw position and is provided with through-hole.
So set, can be by the way that adjusting screw be adjusted outside shell, 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, again further so that simple in structure, dependable performance.
Description of the drawings
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 implementation mode
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 as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Referring to attached drawing 1- attached drawings 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-extinguishing mechanism 6, the operating mechanism 3 include the handle 301 being connected and tripping
302, the shell corresponds to 7 one side position of bimetal leaf and is provided with screw hole 103, and bolt 8, the bolt 8 are provided in screw hole 103
Top and the bimetal leaf 7 offset setting.So set, by the way that bolt 8 is adjusted, top is to bimetal leaf 7
It is compressed, to which just bimetal leaf 7 can be adjusted.
The present embodiment is further arranged：The tripping mechanism 2 includes conductive bar 201 and 201 matched yoke of conductive bar
202, with 202 matched armature 203 of the yoke and adjusting part, the conductive bar corresponding with yoke 202 of the armature 203
There is subtended angle, the adjusting part to adjust the subtended angle angle between armature 203 and yoke 202, the armature between 201 sides
It is provided on 203 and 302 matched auxiliary section 2031 of the tripping.So set, yoke 202 incudes the electricity of conductive bar 201
Stream is attracted armature 203, and the auxiliary section 2031 of armature 203 acts power to tripping 302 and tripping 302 is threaded off, when
When subtended angle angle of the adjusting part between armature 203 and yoke 202 is adjusted, just the drop-away current of breaker can be carried out
It adjusts.Therefore, technical solutions of the utility model have simple in structure, dependable performance, the adjustable technique effect of drop-away current.
The present embodiment is further arranged：The adjusting part includes connection wall 204, elastic component 205 and adjusting screw 206,
One end of the yoke 202 is articulated and connected with connection wall 204, and the elastic component 205 imposes active force to yoke 202 makes armature
Subtended angle between 203 201 sides of conductive bar corresponding with yoke 202 is in opening trend, the adjusting screw 206 and connection wall 204
It is connected in screw-thread fit, the top of adjusting screw 206 and yoke 202 offset setting.So set, by adjusting screw 206
Built-in length, just the subtended angle angle between armature 203 and yoke 202 can be adjusted, further such that simple in structure, property
It can be reliable.Preferably, adjusting screw is made of insulating materials.
The present embodiment is further arranged：With yoke 202 in being wholely set, the elastic component 205 is arranged the connection wall 204
Both ends for extension spring, the extension spring are connected with connection wall 204 and armature 203 respectively.So set, more into one
Step is so that simple in structure, dependable performance.
The present embodiment is further arranged：The shell 1 corresponds to 206 position of adjusting screw and 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, again further so that simple in structure, dependable performance.
Claims (6)
1. a kind of breaker, including shell, tripping mechanism, operating mechanism, moving contact, static contact, bimetal leaf and arc extinguishing machine
Structure, the operating mechanism include the handle being connected and tripping, it is characterised in that：The shell corresponds to one side position of bimetal leaf
It is provided with screw hole, is provided with bolt in screw hole, the top of the bolt and the bimetal leaf offset setting.
2. breaker according to claim 1, it is characterised in that：The tripping mechanism include conductive bar, with conductive bar phase
The yoke of cooperation, with the matched armature of the yoke and adjusting part, armature conductive bar corresponding with yoke side it
Between there is subtended angle, the adjusting part to adjust the subtended angle angle between armature and yoke, are provided with and the jump on the armature
Detain matched auxiliary section.
3. breaker according to claim 2, it is characterised in that：The adjusting part includes connection wall, elastic component and tune
Screw is saved, one end and the connection wall of the yoke are articulated and connected, and the elastic component imposes active force to yoke makes armature and yoke
Subtended angle between corresponding conductive bar side is in opening trend, and the adjusting screw is connect with connection wall in screw-thread fit, adjusts spiral shell
The top of nail and yoke offset setting.
4. breaker according to claim 3, it is characterised in that：The connection wall is in be wholely set with 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 shell correspond to adjusting screw position be provided with it is 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 |
|---|---|---|---|
| CN201820451119.4U CN208028005U (en) | 2018-04-02 | 2018-04-02 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820451119.4U CN208028005U (en) | 2018-04-02 | 2018-04-02 | A kind of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028005U true CN208028005U (en) | 2018-10-30 |
Family
ID=63909498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820451119.4U Active CN208028005U (en) | 2018-04-02 | 2018-04-02 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028005U (en) |
-
2018
- 2018-04-02 CN CN201820451119.4U patent/CN208028005U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |