CN209328817U - Frame circuit breaker - Google Patents
Frame circuit breaker Download PDFInfo
- Publication number
- CN209328817U CN209328817U CN201821644471.6U CN201821644471U CN209328817U CN 209328817 U CN209328817 U CN 209328817U CN 201821644471 U CN201821644471 U CN 201821644471U CN 209328817 U CN209328817 U CN 209328817U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- limit
- matching
- ontology
- spring
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
A kind of frame circuit breaker, including drawer chassis and the breaker body being arranged in drawer chassis, operating mechanism is equipped in the outside of breaker body, operating mechanism is connect by pivotal axis with contact mechanism, operating mechanism is contacted and is separated with static contact by moving contact of the pivotal axis with dynamic contact mechanism, breaker body is equipped with position-limit mechanism, position-limit mechanism is by spring and pivots axis connection, position-limit mechanism limits pivotal axis by spring and moving contact is driven to move toward combined floodgate direction, it can not only guarantee again the clearance between open contacts between moving contact and static contact while quick acting switching-off by position-limit mechanism, and the outside of breaker body is arranged in position-limit mechanism, the volume of breaker body shell is not will increase.
Description
Technical field
The invention is related to Low Voltage Electrical Apparatus, more particularly to a kind of frame circuit breaker.
Background technique
Frame circuit breaker is the important component of electrical equipment industry, and when electric circuit is working properly, breaker can lead to
Open and close circuit is crossed, to reach the functions such as power failure, power supply and conversion circuit；When overload, decompression, under-voltage occurs in electric circuit
Or when the failures such as short circuit, breaker can avoid automatically by circuitry cuts because fault jeopardizes the safety of staff again
With the normal operation of equipment.But breaker major loop carries electric current and can generate electric arc when carrying out sub-switching operation, to reduce electricity
Arc burning time reduces contact burning, increases circuit breaker electrical endurance, need to increase clearance between open contacts in the shortest possible time.It is logical
Operating mechanism and 51 elastic connection of moving contact for often enable 51 excess of stroke of moving contact to contact guarantee with static contact 52 and reliably match
It closes, but the moving contact opening velocity of breaker is fast when separating brake, rebounds again after causing moving contact to reach open position, reduces
Clearance between open contacts increase the arcing time, reduce circuit breaker electrical endurance.In addition, user needed in installation frame breaker by
Breaker body takes out from drawer chassis, and breaker body is put back to drawer chassis again after carrying out the operations such as necessary installation.Because outer
Shape size is identical, exists the breaker body and drawer chassis group of same cage (i.e. same outer dimension), different rated current
It dresses up same breaker to use, this will lead to breaker and carries non-rated current, there is major safety risks.
Summary of the invention
The defect for aiming to overcome that the prior art of the invention, provides that a kind of structure is simple, frame of high reliablity
Frame breaker.
To achieve the above object, the invention adopts the technical scheme that
A kind of frame circuit breaker, including drawer chassis 2 and the breaker body 1 being arranged in drawer chassis 2, in breaker body
1 outside is equipped with operating mechanism 3, and operating mechanism 3 is connect by pivotal axis 4 with contact mechanism 5, and operating mechanism 3 passes through pivotal axis 4
Moving contact 51 with dynamic contact mechanism 5 is contacted and is separated with static contact 52, and breaker body 1 is equipped with position-limit mechanism 6, position restrainer
Structure 6 is connect by spring 63 with pivotal axis 4, and position-limit mechanism 6 limits pivotal axis 4 by spring 63 and drives moving contact 51 toward combined floodgate side
To movement.
Optionally, the inner wall of the drawer chassis 2 is equipped with the ontology insert port 10 of evacuation breaker body 1, inserts in ontology
The inner wall of entrance 10 is equipped with matching mechanism for seedlings 7, and the Ontology Matching machine cooperated with matching mechanism for seedlings 7 is equipped on breaker body 1
Structure, the Ontology Matching mechanism of the breaker body 1 of same size are located at same level height, the breaker body 1 of different size
Ontology Matching mechanism be located at different level heights.
Optionally, the Ontology Matching mechanism is arranged on position-limit mechanism 6.
Optionally, the Ontology Matching mechanism is the matching axis cooperated with matching mechanism for seedlings 7 being arranged on position-limit mechanism 6
71, matching mechanism for seedlings 7 is equipped with the escape port 72 for avoiding matching axis 71.
Optionally, the outside of breaker body 1 is arranged in the position-limit mechanism 6；The position-limit mechanism 6 includes and breaker
The limit base 61 of the lateral wall connection of ontology 1, is equipped with position limit arm 62 on pivotal axis 4, and one end of position limit arm 62 passes through spring 63
It is connect with limit base 61.
Optionally, the matching mechanism for seedlings 7 includes the limit shaft 73 on multiple inner walls for being disposed in parallel in ontology insert port 10,
The interval of two of them limit shaft 73 is arranged and forms the escape port 72 for matching the cooperation of axis 71 on position-limit mechanism 6.
Optionally, the spring 63 is tension spring or pressure spring, is respectively provided with hinged bullet on limit base 61 and position limit arm 62
The spring shaft 64 of spring 63.
Optionally, the limit shaft 73 and the inner wall of ontology insert port 10 rivet, and matching axis 71 and limit base 61 rivet；
Or limit shaft 73 and the inner wall of ontology insert port 10 are integrally formed, matching axis 71 and limit base 61 are integrally formed.
Optionally, the limit base 61 is at Z-type comprising the first connection connecting with the side of 1 shell of breaker body
Plate 65 and the second connecting plate 66 and third connecting plate 67 for being vertically disposed on 65 both ends of the first connecting plate, the second connecting plate
66 cooperate with the other side of 1 shell of breaker body, between the second connecting plate 66 and the first connecting plate 65 with breaker body 1
The seamed edge of shell cooperates, and is equipped with matching axis 71, the third connecting plate far from the side of breaker body 1 in the second connecting plate 66
67 extend to the side far from breaker body 1 and are oppositely arranged with operating mechanism 3, and the setting of pivotal axis 4 connects in third
Between fishplate bar 67 and operating mechanism 3, it is equipped with spring shaft 64 close to the side of pivotal axis 4 in third connecting plate 67, spring shaft 64 is logical
Spring 63 is crossed to connect with the position limit arm 62 on pivotal axis 4.
Optionally, first connecting plate 65, the second connecting plate 66 and the integrated bending of third connecting plate 67 form, and first
Connecting plate 65 is equipped with the connecting hole 68 connecting with 1 shell of breaker body, and the length of the second connecting plate 66 is less than the first connection
Plate 65 is equipped with fabrication hole 69 in the junction of the first connecting plate 65 and third connecting plate 67.
The frame circuit breaker of the invention can not only be guaranteed again dynamic by position-limit mechanism 6 while quick acting switching-off
Clearance between open contacts between contact 51 and static contact 52.In addition, the outside of breaker body 1 is arranged in position-limit mechanism 6, not will increase
The volume of 1 shell of breaker body, position-limit mechanism 6 is not on the basis of needing to improve existing 1 internal structure of breaker body, no
It only can be improved the breaking capacity of breaker body 1, but also security reliability can be improved by anti-error insertion, have and be convenient for
Process support, feature compact-sized, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the invention frame circuit breaker；
Fig. 2 is the structural schematic diagram of the invention drawer chassis；
Fig. 3 is the gate-dividing state of the invention breaker body；
Fig. 4 is the "on" position of the invention breaker body；
Fig. 5 is the local A enlarged drawing of the invention Fig. 3；
Fig. 6 is the local B enlarged drawing of the invention Fig. 4；
Fig. 7 is the "on" position of the invention contact mechanism；
Fig. 8 is the gate-dividing state of the invention contact mechanism；
Fig. 9 is recoil position of the invention contact mechanism after separating brake；
Figure 10 is a kind of embodiment of the invention position-limit mechanism；
Figure 11 is the Local C enlarged drawing of the invention Fig. 2.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 11 provides, the specific of the frame circuit breaker of the invention is further illustrated
Embodiment.The frame circuit breaker of the invention is not limited to the following description.
As shown in figs 1-9, the frame circuit breaker of the invention includes drawer chassis 2 and the open circuit that is arranged in drawer chassis 2
Device ontology 1 is equipped with operating mechanism 3 in the outside of breaker body 1, and operating mechanism 3 is connect by pivotal axis 4 with contact mechanism 5,
Operating mechanism 3 is contacted (Fig. 7) with static contact 52 and is separated (Fig. 8) by moving contact 51 of the pivotal axis 4 with dynamic contact mechanism 5, is broken
Road device ontology 1 is equipped with position-limit mechanism 6, and position-limit mechanism 6 is connect by spring 63 with pivotal axis 4, and position-limit mechanism 6 passes through spring 63
Limiting pivotal axis 4 drives moving contact 51 to move toward combined floodgate direction, prevents moving contact 51 from springing back (Fig. 9) to the direction of static contact 52.
The frame circuit breaker of the invention by position-limit mechanism 6 can not only while quick acting switching-off again guarantee moving contact 51 with it is quiet
Clearance between open contacts between contact 52.Preferably, the outside of breaker body 1 is arranged in position-limit mechanism 6, not will increase breaker
The volume of 1 shell of ontology.
Further, the inner wall of the drawer chassis 2 is equipped with the ontology insert port 10 of evacuation breaker body 1, inserts in ontology
The inner wall of entrance 10 is equipped with matching mechanism for seedlings 7, and the Ontology Matching machine cooperated with matching mechanism for seedlings 7 is equipped on breaker body 1
Structure, the Ontology Matching mechanism of the breaker body 1 of same size are located at same level height, the breaker body 1 of different size
Ontology Matching mechanism be located at different level heights.The frame circuit breaker of same size, 72 He of escape port on drawer chassis 2
Matching axis 71 on breaker body 1 is arranged in the same level height, and this is highly disconnected with the frame of other specifications
Escape port 72 in the device of road is different with the matching height of axis 71, and matching mechanism for seedlings 7 can avoid matching axis 71 by escape port 72,
It is inserted into breaker body 1 in drawer chassis 2, while matching mechanism for seedlings 7 can stop other specifications (such as rated current)
Breaker body 1 avoids breaker body 1 from being taken out when putting back to again from drawer chassis 2 and is mistakenly inserted, drawer chassis 2 and breaker body 1
Unmatched problem.
Further, the Ontology Matching mechanism is arranged on position-limit mechanism 6.It is not needing to improve existing breaker body
On the basis of 1 internal structure, the breaking capacity of breaker body 1 can not only be improved by position-limit mechanism 6, but also can lead to
Overmatching mechanism 7 realizes that anti-error insertion improves security reliability, has the characteristics that support easy to process, compact-sized, at low cost,
It kills two birds with one stone, it is ingenious in design.
0-11 shows a kind of preferred embodiment that position-limit mechanism 6 and matching mechanism for seedlings 7 cooperate, the ontology refering to fig. 1
Matching mechanism for seedlings is the matching axis 71 cooperated with matching mechanism for seedlings 7 being arranged on position-limit mechanism 6, and matching mechanism for seedlings 7 is equipped with for keeping away
Allow matching axis 71 escape port 72.
Further, the matching mechanism for seedlings 7 includes multiple limit shafts 73 being disposed in parallel on 2 inner sidewall of drawer chassis,
In two limit shafts 73 interval be arranged and formed the escape port 72 for match cooperation of axis 71 on position-limit mechanism 6, limit shaft 73 is preferably
It is arranged on the inner sidewall of the horizontal two sides of drawer chassis 2, the other positions in drawer chassis 2 also can be set, belongs to wound of the present invention
The protection scope made.
Further, the limit shaft 73 and the inner wall of ontology insert port 10 rivet, and matching axis 71 and limit base 61 rivet；
Or limit shaft 73 and the inner wall of ontology insert port 10 are integrally formed, matching axis 71 and limit base 61 are integrally formed, and are had and are convenient for
Processing and feature at low cost belong to the protection scope of the invention it is of course also possible to weld or nut connection.
Refering to a kind of preferred embodiment that position-limit mechanism 6 show Fig. 3-6 and pivotal axis 4 cooperate, the position-limit mechanism 6 is wrapped
The limit base 61 connecting with the lateral wall of breaker body 1 is included, position limit arm 62, one end of position limit arm 62 are equipped on pivotal axis 4
It is connect by spring 63 with limit base 61, the spring shaft of hinged spring 63 is respectively provided on limit base 61 and position limit arm 62
64, it pulls pivotal axis 4 to prevent moving contact 51 from springing back by spring 63, has the characteristics that structure is simple, at low cost, spring 63 can be with
It is that tension spring is also possible to pressure spring, it is of course also possible to be torsional spring or other elastic elements, resistance can be provided when moving contact 51 is sprung back
Power.In addition it is also possible to be not provided with spring shaft 64, it can also be arranged at the both ends of spring 63 and hang over limit base 61 and limit
The hole being arranged on the arm 62 of position, belongs to the protection scope of the invention.
The 0 a kind of embodiment for showing position-limit mechanism 6 refering to fig. 1, the limit base 61 is at Z-type comprising with breaker
First connecting plate 65 of the side connection of 1 shell of ontology and the second connection for being vertically disposed on 65 both ends of the first connecting plate
The other side of plate 66 and third connecting plate 67, the second connecting plate 66 and 1 shell of breaker body cooperates, 66 He of the second connecting plate
Between first connecting plate 65 with the seamed edge of 1 shell of breaker body cooperate, the second connecting plate 66 far from breaker body 1 one
Side is equipped with matching axis 71, and the third connecting plate 67 extends to the side far from breaker body 1 and sets relatively with operating mechanism 3
It sets, the pivotal axis 4 is arranged between third connecting plate 67 and operating mechanism 3, and third connecting plate 67, which can be set, to be pivoted
The left end of axis 4 also can be set in right end, be equipped with spring shaft 64, spring shaft close to the side of pivotal axis 4 in third connecting plate 67
64 are connect by spring 63 with the position limit arm 62 on pivotal axis 4.
Preferably, first connecting plate 65, the second connecting plate 66 and the integrated bending of third connecting plate 67 form, and first
Connecting plate 65 is equipped with the connecting hole 68 connecting with 1 shell of breaker body, and the length of the second connecting plate 66 is less than the first connection
Plate 65 is equipped with fabrication hole 69 in the junction of the first connecting plate 65 and third connecting plate 67.
It, cannot the above content is combining specific preferred embodiment to be further described to made by the invention
Assert that the specific implementation of the invention is only limited to these instructions.For the ordinary skill of the invention technical field
For personnel, without departing from the concept of the premise of the invention, a number of simple deductions or replacements can also be made, should all regard
For the protection scope for belonging to the invention.
Claims (10)
1. a kind of frame circuit breaker, including drawer chassis (2) and the breaker body (1) being arranged in drawer chassis (2), feature exists
In: operating mechanism (3) are equipped in the outside of breaker body (1), operating mechanism (3) passes through pivotal axis (4) and contact mechanism (5)
Connection, operating mechanism (3) are contacted and are divided with static contact (52) by the moving contact (51) of pivotal axis (4) with dynamic contact mechanism (5)
It opens, breaker body (1) is equipped with position-limit mechanism (6), and position-limit mechanism (6) is connect by spring (63) with pivotal axis (4), limits
Mechanism (6) drives moving contact (51) to move toward combined floodgate direction by spring (63) limitation pivotal axis (4).
2. frame circuit breaker according to claim 1, it is characterised in that: the inner wall of the drawer chassis (2) is equipped with evacuation
The ontology insert port (10) of breaker body (1) is equipped with matching mechanism for seedlings (7) on the inner wall of ontology insert port (10), in open circuit
Device ontology (1) is equipped with the Ontology Matching mechanism cooperated with matching mechanism for seedlings (7), the ontology of the breaker body (1) of same size
Matching mechanism for seedlings is located at same level height, and the Ontology Matching mechanism of the breaker body (1) of different size is located at different levels
Highly.
3. frame circuit breaker according to claim 2, it is characterised in that: the Ontology Matching mechanism is arranged in position restrainer
On structure (6).
4. frame circuit breaker according to claim 3, it is characterised in that: the Ontology Matching mechanism is that setting is limiting
The matching axis (71) with matching mechanism for seedlings (7) cooperation in mechanism (6), matching mechanism for seedlings (7) are equipped with for avoiding matching axis (71)
Escape port (72).
5. frame circuit breaker according to claim 1, it is characterised in that: the position-limit mechanism (6) is arranged in breaker sheet
The outside of body (1)；The position-limit mechanism (6) includes the limit base (61) connecting with the lateral wall of breaker body (1), is being pivoted
Axis (4) is equipped with position limit arm (62), and one end of position limit arm (62) is connect by spring (63) with limit base (61).
6. frame circuit breaker according to claim 4, it is characterised in that: the matching mechanism for seedlings (7) includes multiple setting side by side
The limit shaft (73) on the inner wall of ontology insert port (10) is set, two of them limit shaft (73) interval is arranged and is formed and limited
The escape port (72) of axis (71) cooperation is matched in mechanism (6).
7. frame circuit breaker according to claim 5, it is characterised in that: the spring (63) is tension spring or pressure spring, limit
The spring shaft (64) of hinged spring (63) is respectively provided on seat (61) and position limit arm (62).
8. frame circuit breaker according to claim 6, it is characterised in that: the limit shaft (73) and ontology insert port (10)
Inner wall riveting, matching axis (71) and limit base (61) rivet；Or the inner wall one of limit shaft (73) and ontology insert port (10)
Body formed, matching axis (71) and limit base (61) are integrally formed.
9. frame circuit breaker according to claim 5, it is characterised in that: the limit base (61) is at Z-type comprising with it is disconnected
The first connecting plate (65) and be vertically disposed on the first connecting plate (65) both ends that the side of road device ontology (1) shell connects
The second connecting plate (66) and third connecting plate (67), the second connecting plate (66) and the other side of breaker body (1) shell are matched
It closes, cooperates between the second connecting plate (66) and the first connecting plate (65) with the seamed edge of breaker body (1) shell, in the second connection
Plate (66) is equipped with matching axis (71) far from the side of breaker body (1), and the third connecting plate (67) is to far from breaker sheet
The side of body (1), which extends, to be simultaneously oppositely arranged with operating mechanism (3), the pivotal axis (4) setting third connecting plate (67) with
Between operating mechanism (3), spring shaft (64) are equipped with close to the side of pivotal axis (4) in third connecting plate (67), spring shaft (64)
It is connect by spring (63) with the position limit arm (62) on pivotal axis (4).
10. frame circuit breaker according to claim 9, it is characterised in that: first connecting plate (65), the second connection
Plate (66) and the integrated bending of third connecting plate (67) form, and the first connecting plate (65) is equipped with to be connected with breaker body (1) shell
The connecting hole (68) connect, the length of the second connecting plate (66) is less than the first connecting plate (65), in the first connecting plate (65) and third
The junction of connecting plate (67) is equipped with fabrication hole (69).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644471.6U CN209328817U (en) | 2018-10-10 | 2018-10-10 | Frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644471.6U CN209328817U (en) | 2018-10-10 | 2018-10-10 | Frame circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328817U true CN209328817U (en) | 2019-08-30 |
Family
ID=67707779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821644471.6U Active CN209328817U (en) | 2018-10-10 | 2018-10-10 | Frame circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328817U (en) |
-
2018
- 2018-10-10 CN CN201821644471.6U patent/CN209328817U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106099938A (en) | A kind of high-voltage fence series compensation device | |
| CN208284442U (en) | A kind of miniature circuit breaker with warning function | |
| CN209328817U (en) | Frame circuit breaker | |
| CN207558638U (en) | A kind of breaker and brake separating buffer device | |
| CN206116993U (en) | Can effectively prevent arcing leakage accident's switchgear | |
| CN209266219U (en) | A kind of high-voltage circuitbreaker remote control trip gear | |
| CN206931526U (en) | A kind of Standard type intelligent vacuum circuit breaker | |
| CN208874279U (en) | A kind of improved breaker body unbalanced three-phase lines outlet loop | |
| CN209169090U (en) | Arc-chutes and breaker | |
| CN209434862U (en) | A kind of relay protection and control circuit of high-pressure vacuum contactor | |
| CN208256596U (en) | A kind of portable permanent mechanism breaker emergency controller | |
| CN207282396U (en) | A kind of breaker of high-tension switch gear | |
| CN203481147U (en) | Combined relay | |
| CN208240594U (en) | A kind of blocking device of novel anti-power transformation back brake maloperation | |
| CN208127981U (en) | A kind of DC power supply | |
| CN208077901U (en) | A kind of band residual current protecting moulded case circuit breaker | |
| CN206194565U (en) | Circuit breaker buffer | |
| CN205140900U (en) | Disconnected circuit breaker of high score | |
| CN208385304U (en) | A kind of outdoor high-voltage vacuum breaker | |
| CN206726972U (en) | Switch auxiliary drawing device | |
| CN209001425U (en) | A kind of handle type hydraulic circuit breaker aircraft power distribution case | |
| CN205177692U (en) | Novel permanent magnetism vacuum circuit breaker based on use electric protection | |
| CN206059935U (en) | A kind of inflated type permanent-magnet breaker cabinet | |
| CN2857479Y (en) | High voltage electroshock mosquito killing lamp | |
| CN203631393U (en) | 800 kV high-voltage AC disconnecting switch auxiliary contact unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |