CN106128876A - Moulded case circuit breaker operation mechanism - Google Patents
Moulded case circuit breaker operation mechanism Download PDFInfo
- Publication number
- CN106128876A CN106128876A CN201610767572.1A CN201610767572A CN106128876A CN 106128876 A CN106128876 A CN 106128876A CN 201610767572 A CN201610767572 A CN 201610767572A CN 106128876 A CN106128876 A CN 106128876A
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- CN
- China
- Prior art keywords
- axle
- assembly
- tripping
- clamping plate
- snap close
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/521—Details concerning the lever handle
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- Breakers (AREA)
Abstract
The present invention relates to a kind of breaker of plastic casing field, relate to a kind of moulded case circuit breaker operation mechanism, including the left socle assembly of connection, the right support assembly of cooperating, described left socle assembly includes the first clamping plate, first axle, the first limit shaft are set on the first clamping plate, right support assembly includes the second clamping plate, and the second clamping plate arrange the second axle, the second limit shaft；Lever assembly is arranged on the first axle, the second axle by the lever rotation of its underpart；Tripping assembly is rotationally connected with left socle assembly and right support component internal one end by tripping axle, and tripping assembly includes that tripping, tripping axle are riveted in tripping, and both sides, tripping plate face rivet symmetrically arranged upper connecting rod by upper pitman shaft.The present invention, in the case of small product size is constant, increases clearance between open contacts, reduces load button operating physical force.
Description
Technical field
The present invention relates to a kind of breaker of plastic casing field, relate to a kind of moulded case circuit breaker operation mechanism.
Background technology
Breaker of plastic casing is usually used in low-voltage distribution system, be used for connect, disjunction load, protection circuit and the peace of equipment
Entirely, low-voltage electrical apparatus category is belonged to.
The quality of the short circuit breaking performance of current-limiting type molded case breaker (MCCB, hereinafter referred to as chopper) depends on contact and opens
Away from size, movement velocity when contact separates and the quality of expulsion element's performance, etc. factor.In the case of other factors is identical,
Clearance between open contacts is the biggest, and the blow-out grid in expulsion element is the most, and its interrupting performance is the best.
Existing current-limiting type molded case breaker, due to the restriction of volume size, opening away from the least of contact.Putting out in expulsion element
Arc grid is the most less, and this just have impact on breaker of plastic casing and cut-offs the size of short circuit current, and the operation of circuit breaker operation mechanism
Power is the biggest, particularly carries button operating physical force.This is accomplished by circuit breaker operation mechanism and uses a kind of new method for designing, in existing city
Under the equal volume chopper that field has been sold, increase clearance between open contacts as far as possible, reduce operating physical force.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of moulded case circuit breaker operation mechanism, this operating mechanism can increase contact
Open away from, reduce operating physical force, operating mechanism thread off after can effectively prevent contact from falling, prevent clearance between open contacts from reducing.
According to technical scheme: a kind of moulded case circuit breaker operation mechanism, it is characterised in that: include the company of cooperating
The left socle assembly that connects, right support assembly, described left socle assembly includes the first clamping plate, the first clamping plate are arranged the first axle,
One limit shaft, right support assembly includes the second clamping plate, and the second clamping plate arrange the second axle, the second limit shaft；Lever assembly passes through
The lever rotation of its underpart is arranged on the first axle, the second axle；Tripping assembly is rotationally connected with left socle assembly by tripping axle
With right support component internal one end, tripping assembly includes that tripping, tripping axle are riveted in tripping, and upper company is passed through in both sides, tripping plate face
Bar axle rivets symmetrically arranged upper connecting rod, and each described upper connecting rod all connects banking stop, each upper company by Step Shaft is fixing
Being all connected with pitman shaft on bar, lower link is fixed on pitman shaft；Upper snap close is rotationally connected with left socle assembly, the right side by the 5th axle
The internal other end of carriage assembly, lower snap close is rotationally connected with the side of detaining of locking.
As a further improvement on the present invention, the also lower snap close axle of riveting, fixing axle, the installation of lower snap close on described first clamping plate
On described lower snap close axle, latch spring install on lower snap close axle simultaneously under, described lower snap close axle, fixing axle the other end with
Second clamping plate are connected.
As a further improvement on the present invention, described lever assembly includes that handle, lever are arranged at handle both sides, at the bottom of handle
Portion arranges the 4th axle, and the 3rd axle is supported between lever, and handle base is additionally provided with spring, and lever bottom is provided with groove, groove
It is arranged on the first axle, the second axle.
As a further improvement on the present invention, described first clamping plate, both the second clamping plate mid portion form groove.
As a further improvement on the present invention, described handle is arc-shaped.
The method have technical effect that: the present invention, in the case of small product size is constant, increases clearance between open contacts, reduce
Carry button operating physical force.
Accompanying drawing explanation
Fig. 1 is the operating mechanism structure chart having installed lever assembly
Fig. 2 is left socle assembly assumption diagram.
Fig. 3 is right support assembly assumption diagram.
Fig. 4 is lever assembly structure chart.
Fig. 5 is the sectional view of lever assembly.
Fig. 6 is tripping assembly 4 structure chart.
Fig. 7,8 it is the operating mechanism axonometric drawing not installing lever assembly.
Fig. 9 ~ 11 are the operating mechanism dropout procedure chart of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further described.
In Fig. 1 ~ 11, including left socle assembly the 1, first clamping plate the 101, first limit shaft 102, lower snap close axle the 103, first axle
104, fixing axle 105, right support assembly the 2, second clamping plate the 201, second axle the 202, second limit shaft 203, lever assembly 3, lever
301, handle the 302, the 3rd axle the 303, the 4th axle 304, spring 305, tripping assembly 4, tripping 401, tripping axle 402, upper connecting rod
403, banking stop 404, Step Shaft 405, upper pitman shaft 406, upper snap close the 5, the 5th axle 6, lower snap close 7, lower latch spring 8, connecting rod
Axle 9, lower link 10 etc..
As shown in Fig. 1 ~ 11, the present invention is a kind of moulded case circuit breaker operation mechanism, including the left socle connected that cooperates
Assembly 1, right support assembly 2, described left socle assembly 1 includes the first clamping plate 101, the first clamping plate 101 are arranged the first axle 104,
First limit shaft 102, right support assembly 2 includes the second clamping plate 201, the second clamping plate 201 arranges the second axle 202, second spacing
Axle 203；Lever assembly 3 is rotated by the lever 301 of its underpart and is arranged on first axle the 104, second axle 202；Tripping assembly 4 leads to
Crossing tripping axle 402 and be rotationally connected with left socle assembly 1 one end internal with right support assembly 2, tripping assembly 4 includes tripping 401, jumps
Buckle shaft 402 is riveted in tripping 401, and both sides, tripping 401 plate face rivet symmetrically arranged upper connecting rod 403 by upper pitman shaft 406,
All connect banking stop 404 by Step Shaft 405 is fixing on each described upper connecting rod 403, each upper connecting rod 403 is all connected with connecting rod
Axle 9, lower link 10 is fixed on pitman shaft 9；Upper snap close 5 is rotationally connected with left socle assembly 1, right support group by the 5th axle 6
The internal other end of part 2, lower snap close 7 is rotationally connected with below snap close 5.
Also riveting lower snap close axle 103, fixing axle 105 on first clamping plate 101, lower snap close 7 is installed on described lower snap close axle 103
On, latch spring 8 under simultaneously installing on lower snap close axle 103, described lower snap close axle 103, the other end and second of fixing axle 105
Clamping plate 201 are connected.
Lever assembly 3 includes that handle 302, lever 301 are arranged at handle 302 both sides, arranges the 4th axle bottom handle 302
304, the 3rd axle 303 is supported between lever 301, is additionally provided with spring 305 bottom handle 302, and lever 301 bottom is provided with recessed
Groove, groove is arranged on first axle the 104, second axle 202.
Both first clamping plate the 101, second clamping plate 201 mid portion forms groove.
Handle 302 is in arc-shaped.
As shown in Fig. 9 ~ 11, the work process of the present invention is as follows: the operating mechanism dropout procedure chart of the present invention is in Fig. 9 state
Time the straight line d(i.e. line of axle 304 and pitman shaft 9 be also the position of spring 305) in straight line f(i.e. axle 304 and the company of axle 104
Line) left side.Operating mechanism is in closing position.When there is overcurrent in protected load-side, tripping mechanism action, drive behaviour
Make mechanism action.Straight line d(i.e. axle 304 and the line of pitman shaft 9 when mechanism kinematic to Figure 10 state) at straight line f(i.e. axle 304
Line with axle 104) right side.Now contact does not fully open, and handle 302 is also in closing position.Due at this point for thick stick
For bar assembly 3, with the presence of the moment making lever assembly 3 turn clockwise, lever assembly 3 turns clockwise continuing.
Straight line d(i.e. axle 304 and the line of pitman shaft 9 when mechanism kinematic to Figure 11 state) in straight line f(i.e. axle 304 and the company of axle 104
Line) right side.The most now there is making contact with the tripping 401 of tripping assembly 4 in the axle 303 of lever assembly 3, lever assembly 3
Lever 301 can rotate counterclockwise, when straight line d(axle 304 and pitman shaft are also the positions of spring 305) move to pitman shaft 406
Left side time, have the moment making upper connecting rod 403 turn clockwise for upper connecting rod 403.Due to now banking stop 404 and limit
Position axle 102 contacts, and on banking stop 404, connecting rod 403 is a relatively-stationary entirety.So going up connecting rod 403 cannot up time
Pin rotates.Thus prevent contact to fall, prevent clearance between open contacts from reducing.Lever assembly 3 is final after concussion after a while
Stable in the position of Figure 11.
Above in conjunction with accompanying drawing, embodiments of the invention are carried out concrete description, but the invention is not limited in above-mentioned
Detailed description of the invention, above-mentioned detailed description of the invention is only schematic rather than restrictive, and those skilled in the art exists
Under the enlightenment of the present invention, in the case of without departing from spirit of the invention and scope of the claimed protection, it may also be made that a lot
Form, within these belong to the protection of the present invention.
Claims (5)
1. a moulded case circuit breaker operation mechanism, it is characterised in that: left socle assembly (1), the right side that including cooperates connects are propped up
Frame assembly (2), described left socle assembly (1) includes the first clamping plate (101), the first clamping plate (101) are arranged the first axle (104),
First limit shaft (102), right support assembly (2) includes that the second clamping plate (201), the second clamping plate arrange the second axle on (201)
(202), the second limit shaft (203)；Lever assembly (3) rotated by the lever (301) of its underpart be arranged at the first axle (104),
On second axle (202)；Tripping assembly (4) is rotationally connected with left socle assembly (1) and right support assembly by tripping axle (402)
(2) internal one end, tripping assembly (4) includes that tripping (401), tripping axle (402) are riveted in tripping (401), tripping (401) plate
Both sides, face rivet symmetrically arranged upper connecting rod (403) by upper pitman shaft (406), and each described upper connecting rod (403) is all passed through
Step Shaft (405) is fixing connects banking stop (404), and each upper connecting rod (403) is all connected with pitman shaft (9), and lower link (10) is solid
On pitman shaft (9)；Upper snap close (5) is rotationally connected with in left socle assembly (1), right support assembly (2) by the 5th axle (6)
Portion's other end, lower snap close (7) is rotationally connected with snap close (5) lower section.
2. moulded case circuit breaker operation mechanism as claimed in claim 1, it is characterised in that: the upper also riveting of described first clamping plate (101)
Connecing lower snap close axle (103), fixing axle (105), lower snap close (7) is installed on described lower snap close axle (103), simultaneously at lower snap close axle
(103) the lower latch spring (8) of upper installation, described lower snap close axle (103), the other end of fixing axle (105) and the second clamping plate (201)
It is connected.
3. moulded case circuit breaker operation mechanism as claimed in claim 1, it is characterised in that: described lever assembly (3) includes handle
(302), lever (301) is arranged at handle (302) both sides, and handle (302) bottom arranges the 4th axle (304), the 3rd axle (303)
Supportting between lever (301), handle (302) bottom is additionally provided with spring (305), and lever (301) bottom is provided with groove, groove card
It is located on the first axle (104), the second axle (202).
4. moulded case circuit breaker operation mechanism as claimed in claim 1, it is characterised in that: described first clamping plate (101), the second folder
Both mid portions of plate (201) form groove.
5. moulded case circuit breaker operation mechanism as claimed in claim 1, it is characterised in that: described handle (302) is in arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767572.1A CN106128876A (en) | 2016-08-30 | 2016-08-30 | Moulded case circuit breaker operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767572.1A CN106128876A (en) | 2016-08-30 | 2016-08-30 | Moulded case circuit breaker operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128876A true CN106128876A (en) | 2016-11-16 |
Family
ID=57272274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767572.1A Pending CN106128876A (en) | 2016-08-30 | 2016-08-30 | Moulded case circuit breaker operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106128876A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528531A (en) * | 1983-12-19 | 1985-07-09 | Westinghouse Electric Corp. | Molded case circuit breaker with improved operating mechanism |
| CN201773797U (en) * | 2010-08-05 | 2011-03-23 | 上海良信电器股份有限公司 | Operating mechanism of plastic shell type circuit breaker |
| CN102427002A (en) * | 2011-11-24 | 2012-04-25 | 天津市百利电气有限公司 | Molded case circuit breaker for realizing brake separation at different distances |
| CN204614743U (en) * | 2015-04-28 | 2015-09-02 | 上海电科电器科技有限公司 | There is the tripping assembly of stopping means |
| CN206116314U (en) * | 2016-08-30 | 2017-04-19 | 博耳(宜兴)电力成套有限公司 | Moulded case circuit breaker operating device |
-
2016
- 2016-08-30 CN CN201610767572.1A patent/CN106128876A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528531A (en) * | 1983-12-19 | 1985-07-09 | Westinghouse Electric Corp. | Molded case circuit breaker with improved operating mechanism |
| CN201773797U (en) * | 2010-08-05 | 2011-03-23 | 上海良信电器股份有限公司 | Operating mechanism of plastic shell type circuit breaker |
| CN102427002A (en) * | 2011-11-24 | 2012-04-25 | 天津市百利电气有限公司 | Molded case circuit breaker for realizing brake separation at different distances |
| CN204614743U (en) * | 2015-04-28 | 2015-09-02 | 上海电科电器科技有限公司 | There is the tripping assembly of stopping means |
| CN206116314U (en) * | 2016-08-30 | 2017-04-19 | 博耳(宜兴)电力成套有限公司 | Moulded case circuit breaker operating device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |