CN206931549U - A kind of breaker movable terminal structure - Google Patents
A kind of breaker movable terminal structure Download PDFInfo
- Publication number
- CN206931549U CN206931549U CN201720538782.3U CN201720538782U CN206931549U CN 206931549 U CN206931549 U CN 206931549U CN 201720538782 U CN201720538782 U CN 201720538782U CN 206931549 U CN206931549 U CN 206931549U
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- China
- Prior art keywords
- movable terminal
- breaker
- arc
- terminal structure
- extinction device
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
A kind of breaker movable terminal structure, is installed on circuit breaker internal, and breaker includes body, switching mechanism, interlinked mechanism, front end minor structure and movable terminal structure.The movable terminal structure, include movable terminal, support conductor, spring leaf and arc-extinction device；The movable terminal be bending-type can mover double-pole, both distances are close, electric arc is relatively concentrated, breaking during beneficial to circuit breaker short circuit, and make the narrower width of the arc-extinction device, increase the space utilization of breaker.When the switching mechanism of breaker is pushed to ON states, the interlinked mechanism can be made to produce start, while drive the movable terminal structure and the front terminal form touch, allow breaker to form current path.
Description
Technical field
The utility model is on a kind of breaker movable terminal structure, and espespecially one kind is installed on circuit breaker internal, can make
Breaker forms current path movable terminal structure.
Background technology
Breaker may be provided in distribution master switch and be used with dividing on current-controlled switch, be a kind of protection electrical equipment important set
Part, its main function are for short-circuit protection and prevent from seriously overloading, and are asked when breaker detects short circuit, electric leakage, serious overload etc.
During topic, breaker can come protection circuit and electrical equipment by escape immediately.
As shown in figure 1, existing breaker includes upper pedestal, lower base, switching mechanism, interlinked mechanism, front end minor structure
And movable terminal structure；The wherein upper pedestal and lower base be combined with each other fixation；The movable terminal structure includes movable end
Son, support conductor and arc-extinction device；When the switching mechanism is pushed into ON states, the interlinked mechanism is produced start, simultaneously should
Interlinked mechanism can drive the movable terminal structure and the front terminal form touch, and its termination contact forms current path.
The movable terminal of the movable terminal structure, using straight movable terminal, the movable terminal provides current distributing, should
Clamping between movable terminal and the support conductor, because the contact area of clamping is big, it is set effectively to reduce temperature rising；Due to
Both movable terminals distance is wider, is unfavorable for electric arc concentration, is unfavorable for breaking when circuit breaker short circuit；The width of the arc-extinction device
Degree also can be wider, and space utilization is poor.
In summary reason so that existing movable terminal structure still suffers from the space of improvement, the present inventor in view of this,
It is actively to study, is engaged in Related product research and development experience for many years, and through constantly experiment and improvement, develop this creation finally.
The content of the invention
The utility model main purpose is to provide a kind of breaker movable terminal structure, makes both movable terminals distance
It is relatively close, breaking when electric arc is more concentrated and is beneficial to circuit breaker short circuit.
The utility model secondary objective is to provide a kind of breaker movable terminal structure, drops the width of arc-extinction device
It is low, increase the space utilization of breaker.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
The utility model provides a kind of breaker movable terminal structure, is installed on circuit breaker internal, breaker includes company
Motivation structure and movable terminal structure,
Interlinked mechanism, including link assembly, fixed mount and trace axle, the link assembly is installed on the fixed mount,
And combined with the trace axle, and the fixed mount is fixed on the trace axle；
Movable terminal structure, include movable terminal, support conductor, spring leaf and arc-extinction device, the movable terminal device
In on the trace axle, the movable terminal one end is gripped by the support conductor with the spring leaf, and the arc-extinction device is arranged at
The other end of the movable terminal, the movable terminal are that bending-type can mover double-pole.
Further, the double-pole width at movable terminal extinguishing arc end is less than movable terminal fixing end double-pole width, the movable terminal
Both arc-extinction device ends distance is close, electric arc is relatively concentrated, and arc-extinction device distance is narrower.
Further, breaker includes：
Body, include upper pedestal and lower base, the upper pedestal and the lower base system be combined with each other fixation；
Switching mechanism, include handle and grip frame, the handle is combined with the grip frame, and the grip frame and the gearing machine
Structure is in continuous action relation；
Front end minor structure, it is installed on the lower base.
Further, the arc-extinction device is arranged at front terminal superstructure.
Breaker utilizes the switching of switching mechanism ON/OFF states, drives the start of circuit breaker internal mechanism；When the handle
When being pushed to ON states, the interlinked mechanism can be made to produce start, while drive the movable terminal structure and the front end minor structure
Contact, breaker is allowed to form current path.
In order to further appreciate that the feature of this creation and technology contents, please refer in detail detailed below in connection with the utility model
Describe bright and accompanying drawing in detail, but institute's accompanying drawings are only for reference with illustrating to use, and are not used for being any restrictions person to this creation.
Brief description of the drawings
Fig. 1 is breaker stereogram.
Fig. 2 is breaker portion mechanism and this creation breaker movable terminal structural perspective.
Fig. 3 is breaker portion mechanism and this creation breaker movable terminal structural upright exploded view.
Fig. 4 is this creation breaker movable terminal structural perspective.
Fig. 5 is Fig. 4 top views.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment：Refer to shown in Fig. 1 to Fig. 5, Fig. 1 is breaker stereogram, and Fig. 2 is breaker portion mechanism and open circuit
Device movable terminal structural perspective；A kind of breaker movable terminal structure, is installed on circuit breaker internal, and breaker includes body
10th, switching mechanism 20, interlinked mechanism 30, front end minor structure 40 and movable terminal structure 50；The body 10, includes upper pedestal 11
With lower base 12, the upper pedestal 11 and the system of lower base 12 be combined with each other fixation.
Refer to shown in Fig. 3 and Fig. 4, Fig. 3 is that breaker portion mechanism decomposes with this breaker movable terminal structural upright
Figure, Fig. 4 is this creation breaker movable terminal structural perspective, and referring again to Fig. 1；The switching mechanism 20, includes handle
21 and grip frame 22, the handle 21 combined with the grip frame 22, and the grip frame 22 and the interlinked mechanism 30 are in continuous action relation；Should
Interlinked mechanism 30, include link assembly 31, fixed mount 32 and trace axle 33, the link assembly 31 is installed on the fixed mount 32
On, and combined with the trace axle 33, and the fixed mount 32 is fixed on the trace axle 33；The front end minor structure 40 is installed on this
On lower base 12；The movable terminal structure 50 includes movable terminal 51, support conductor 52, spring leaf 53 and arc-extinction device 54,
The movable terminal 51 is installed on the trace axle 33, using the support conductor 52 and the spring leaf 53 by the movable terminal 51
Grip, the arc-extinction device 54 is arranged at the top of front end minor structure 40.
Breaker utilizes the switching of switching mechanism ON/OFF states, drives the start of circuit breaker internal mechanism；When the handle
21 when being pushed to ON states, drives the grip frame 22 and the interlinked mechanism 30 while acts, the link assembly 31 is to the gearing
The start of bar axle 33, while drive the movable terminal structure 50 to be contacted with the front end minor structure 40, allow breaker to form current path.
Fig. 1 to Fig. 5 is referred to, a kind of breaker movable terminal structure is installed on circuit breaker internal, and breaker includes company
Motivation structure 30 and movable terminal structure 50, the interlinked mechanism 30 include link assembly 31, fixed mount 32 and trace axle 33,
The link assembly is installed on the fixed mount, and is combined with the trace axle, and the fixed mount is fixed on the trace axle；This can
Moved end minor structure 50, include movable terminal 51, support conductor 52, spring leaf 53 and arc-extinction device 54, the movable terminal device
In on the trace axle 33, the one end of movable terminal 51 is gripped by the support conductor 52 and the spring leaf 53 and forms movable end
The fixing end of son, the arc-extinction device 54 are arranged at the other end i.e. movable end extinguishing arc end of the movable terminal, and the movable terminal is curved
Musical form can mover double-pole.The double-pole width L2 at the movable terminal extinguishing arc end is less than movable terminal fixing end double-pole width L1, and this can
Both sub- arc-extinction device ends in moved end distance is close, electric arc is relatively concentrated, and arc-extinction device distance is narrower.The arc-extinction device is arranged at
The front terminal superstructure.
The movable terminal structure 50 is gripped the movable terminal 51 with the spring leaf 53 using the support conductor 52, by
By the chucking power of spring leaf 53, it is ensured that contact resistance is normal, makes electric current normally；The movable terminal 51 of the present utility model makes
With bending-type can mover, both distances of the movable terminal 51 are close, electric arc is relatively concentrated, and short circuit is also beneficial to when circuit breaker short circuit
Break, while also decline the width of the arc-extinction device 54, increase the space utilization of breaker.
Described in above, only this wound is used using the embodiment of this origination techniques content, any those skilled in the art
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (4)
1. a kind of breaker movable terminal structure, is installed on circuit breaker internal, it is characterised in that：Breaker includes gearing machine
Structure and movable terminal structure,
Interlinked mechanism, including link assembly, fixed mount and trace axle, the link assembly is installed on the fixed mount, and with
The trace axle combines, and the fixed mount is fixed on the trace axle；
Movable terminal structure, includes movable terminal, support conductor, spring leaf and arc-extinction device, and the movable terminal is installed on this
On trace axle, the movable terminal one end is gripped by the support conductor with the spring leaf, and the arc-extinction device is arranged at this can
The other end of moved end, the movable terminal are that bending-type can mover double-pole.
2. a kind of breaker movable terminal structure according to claim 1, is installed on circuit breaker internal, it is characterised in that：
The double-pole width at movable terminal extinguishing arc end is less than movable terminal fixing end double-pole width.
3. a kind of breaker movable terminal structure according to claim 1, is installed on circuit breaker internal, it is characterised in that：
Breaker includes：
Body, include upper pedestal and lower base, the upper pedestal and the lower base system be combined with each other fixation；
Switching mechanism, include handle and grip frame, the handle is combined with the grip frame, and the grip frame is in the interlinked mechanism
Continuous action relation；
Front end minor structure, it is installed on the lower base.
4. a kind of breaker movable terminal structure according to one of claims 1 to 3, is installed on circuit breaker internal, it is special
Sign is：The arc-extinction device is arranged at front terminal superstructure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538782.3U CN206931549U (en) | 2017-05-16 | 2017-05-16 | A kind of breaker movable terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538782.3U CN206931549U (en) | 2017-05-16 | 2017-05-16 | A kind of breaker movable terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206931549U true CN206931549U (en) | 2018-01-26 |
Family
ID=61352583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538782.3U Active CN206931549U (en) | 2017-05-16 | 2017-05-16 | A kind of breaker movable terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206931549U (en) |
-
2017
- 2017-05-16 CN CN201720538782.3U patent/CN206931549U/en active Active
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