CN102227798A - Pivot mechanism for lock to trip circuit breaker-type electrical apparatus for cutting off electrical lines - Google Patents
Pivot mechanism for lock to trip circuit breaker-type electrical apparatus for cutting off electrical lines Download PDFInfo
- Publication number
- CN102227798A CN102227798A CN2009801478056A CN200980147805A CN102227798A CN 102227798 A CN102227798 A CN 102227798A CN 2009801478056 A CN2009801478056 A CN 2009801478056A CN 200980147805 A CN200980147805 A CN 200980147805A CN 102227798 A CN102227798 A CN 102227798A
- Authority
- CN
- China
- Prior art keywords
- pivot
- elbows
- arm
- hole
- contact
- 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.)
- Granted
Links
Images
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
- 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
- H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
- H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
Landscapes
- Pivots And Pivotal Connections (AREA)
- Mechanisms For Operating Contacts (AREA)
- Breakers (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to a pivot mechanism for a mechanical lock to trip a circuit breaker-type electrical apparatus for cutting off electrical lines, comprising at least one contact that is movable between two positions in contact with and remote from a stationary contact, respectively, which correspond to the closing and opening of the line, respectively, said lock being actuated by a control lever (19) of the contact that is movable between both positions thereof and also including: a toggle connecting said lever (19) to the movable contact(s), a means for returning the toggle to the open position, and a tripper (6) pivoting relative to the toggle by means of said pivot mechanism and capable of tripping the toggle into the open position. The invention is characterized in that the breaker (6) comprises two openings (9, 10) facing each other and provided in side walls (7,8) of the breaker (6) that are perpendicular to the pivoting axis and which form bearings that enable a pivoting connection for two parallel arms (1, 2) of a first element of the toggle, said openings (9, 10) being located at an interval (11, 12) that is lateral, respectively, to the outside and the inside of each wall (7,8) that forms a split having a curve perpendicular to the walls for the passage therethrough of said arms (1, 2), extending into a first section (15) of an opening provided in the centered portion of the walls (7, 8) and enabling the insertion of the ends of said arms (1, 2), as well as extending into a second section (16) of an opening in the offset portion, so that the breaker comprises a base for forming a housing that opens both to the inside and the outside of the walls (7, 8), the periphery of said housing being round and capable of guiding the rotation of the roundly curved end (13, 14) of the arms (1, 2) of the toggle.
Description
Technical field
The present invention relates to a kind of pivot that is applicable to the lock that triggers circuit breaker type line switching electric device.
Background technology
Traditionally, such device comprises at least one moving contact, described contact can contact with static contact respectively and away from two positions in move, described two positions corresponding respectively circuit closure and open.
This mechanical lock is activated by the control lever of the movable contact between two positions, and comprise elbows especially, elbows is returned back to the device of open position and the trigger that pivots with respect to elbows by pivot, wherein this elbows has two parallel-oriented branches, and it is connected to movable contact with described bar.The function of trigger is to trigger lock, makes electric device be in the open position of contact.
The pivot of such mechanical lock can not adopt the form of traditional axostylus axostyle that rotates freely on support, this is because this moment, therefore response agency is included in the spring that extends between the branch of elbows, and does not allow passing through of single transverse shaft that described branch is linked together.In existing structure, by protruding from one of element of elbows and handling the pivot problem at axle journal or equivalent that the support of trigger pivots in each side, the support on trigger is generally circular hole.
With the integrated bar that is inverted u-shaped of control lever on this elbows/trigger assembly.Its side wall support and covers elbows/Disjoncteur pivot from both sides on the outside, more particularly, cover the part of the axle journal that protrudes on the exterior lateral sides of slave flipflop.
This solution may cause the out of season friction of free end on the medial surface of the sidewall of U type bar of axle journal, thereby makes operation more not " smoothly ", and may cause member to wear and tear.This method can comprise having substantially the axle journal that protrude in the hole of slave flipflop not.But the sidewall of trigger tends to motion each other when triggering with deviating from, and particularly in pivot area, and under the worst situation, the disengaging that elbows and trigger may take place connects.Therefore, the scheme of compromise is to select suitable axle journal height, the generation that does not allow described disengaging to connect to reduce friction as much as possible.
Summary of the invention
The invention provides a kind of solution of not using aforesaid structure, described scheme breaks away from the structure that connects the ground operation based on not rubbing and stoping.
As described herein, this trigger comprises two toward each other and be arranged on hole on the sidewall, described sidewall is perpendicular to pivotal axis and formed support, the pivot of two parallel arms of first element of described support permission elbows connects, described hole is positioned on the lateral shift part of the outside of each sidewall or inboard, and formed relative wall and had vertical orientated groove, to allow described arm pass through.Described groove is on the one hand on being arranged on the not Offset portion of wall and allow to extend in first bore portion of insertion of end of described arm, and on the other hand, in being arranged on second bore portion of Offset portion, extend, be provided with the bottom at least in part, forming the housing that opens wide towards the inboard or the outside of wall, the edge of described housing is rounded and be suitable for guiding the rotation of the circular open end of elbows arm.
The special shape in the hole that faces with each other and the off-set construction of giving sidewall at Kong Chu when the element with elbows is fastened in the trigger, has allowed the generation of inserting, and extraly, have kept the degree of freedom of rotation together under appropriate condition.
Simultaneously, the solution of the present invention has been designed to and can have obtained all shapes by cutting-roll shape-mold pressing/punching press, with expediently according to automatable traditional mechanical technology make, the member of described mechanism.
The problem that the designer may meet in the pivot of described kind is, when meeting the problem that produces by circuit overload or ultra-voltage, and the impact that when opening electrical switchgear, forms owing to the existence of special machine stress.
At this moment, the unexpected surge that takes place when opening obviously can not be revised, and can only lose efficacy/destroy to pivot to connect purpose of the present invention that Here it is.
The design of aforesaid pivot has in fact allowed under various situations first element of elbows is remained in the support, described support in fact by on the sidewall that is arranged on trigger, hole with special shape forms.
According to prerequisite of the present invention, on each side of pivotal axis because the existence of bottom and can not have side exit, described bottom example ground obtain by mold pressing and and the second portion in each hole match.
Special shape in conjunction with described hole, on each hole, be present in the plane of arm end of elbows element and the skew that triggers between the wall and allowed assembling to each other, and allowed locking to each other, and described locking does not stop the required pivoting action of assembly operating in the installation site.
According to a possibility structure of elbows, the plane of rounded ends is positioned at the elongated area of each arm, and towards relative arm lateral shift.
In mechanism as described in the present invention, therefore exist to be positioned at the arm place on the one hand, to be positioned at the dual skew at the place, hole on the sidewall that is arranged on trigger on the other hand.In the installation site, these two skews are put upside down, to increase the reliability that connects and to guarantee its fail safe: member is linked together forevermore.
In fact, by cam part with two parts in each hole separately, described cam part guides to second portion with the end of elbows arm from the first in each hole, and described cam part is positioned as each the described end that stops in its housing when the end is inserted wherein.
When opening of lock causes unexpected motion, described Motion Transmission is to the mechanical connection between elbows and the trigger, the existence of this cam part has stoped the disengaging of parts to connect by described parts are abut against each other, and eliminated the propagation trend of described motion thus, or even stoped the elbows arm from the hole at its place, to come off.
For this purpose, near the first in hole, this cam part has comprised the first as circular inclined-plane, and has the top, described top in its housing, formed arm the end stop stop.
Preferably, form the skew of end of the arm of the bottom of second portion in each hole and elbows by punching press/mold pressing.
Therefore, finish manufacturing by shirtsleeve operation, can be with described operation automation in industrialization production method, and control like a cork.
A technical advantage of the pivot among the present invention is its special structure, and described structure has been avoided the friction between elbows arm and the inversion bar, and described inversion bar is fixed to the control lever of the electric equipment that is equipped with described system.Second important advantage is from the elbows arm that is laterally kept, and it is guaranteed by employed special structure.
Description of drawings
With reference to the accompanying drawings the present invention is more at large described, wherein:
Fig. 1 is the see-through view of elbows;
Fig. 2 also shows the see-through view of the part of the switching device that comprises pivot of the present invention;
Fig. 3 is the front view of view among Fig. 2;
Fig. 4 shows the amplification view of the right side pivot in the last view;
Fig. 5 shows pivot as described in the present invention on the symmetrical centre plane.
Specific implementation method
Referring to Fig. 1, elbows comprises by axostylus axostyle (3) and is hinged on a pair of upper arm (1,2) on a pair of lower link (4,5).Arm becomes the parallel-oriented branch of having of elbows to (1,2)/connecting rod to (4,5).The latter allows the motion of control assembly (not shown) along opening or closed direction is delivered in the contact movably one.In addition, it is set in the lock that is used for the trigger switch device as described in the present invention, be mounted to so-called trigger part (6) by the connection that pivots, the settling position release that described parts can produce the closure by the contact via return mechanism especially, conventional design is such as is well known.
Visible this trigger (6) in Fig. 2.It wherein all is provided with on each side porose (9,10) for having the part of two sides (7,8), inserts the arm (1,2) of connecting rod in described hole.Such hole (9,10) is positioned on the sidewall (7,8), and described sidewall has lateral shift part (11,12) toward the outer side, and this more sees in Fig. 3 and Fig. 4 obviously.The rounded ends (13,14) of described arm (1,2) has the Offset portion towards the inboard conversely, and this for example realizes by punching press.
It is more clear that the shape in hole (9,10) manifests in Fig. 5.The first (15) in hole (9) is positioned on the unmigrated part of wall (7), has allowed the insertion of the rounded ends (13) of elbows arm (1).The second portion (16) in described hole (9) is positioned on the Offset portion (11) of wall (7), and it has the circular end (13) of shape to receive described arm (1), and for it is provided with toward the outer side, makes the complete bottom of described housing.In other words, the housing that forms in the second portion (16) of hole (19) opens wide towards the inboard of wall (7), and holds end (13) (see figure 1) towards the skew of the outside of arm (1), and stops the latter laterally to move toward the outer side thus.
Cam part (17) allows the guiding to the end (13) of arm (1) to the first (15) of hole (9), and described thus end is inserted in the second portion (16), and described second portion is for good and all taken in described cam part after insertion.Simultaneously, this cam part (17) remains on end (13) in the second portion (16) of hole (9), to stop the counter motion that enters the insertion path of trigger (6) from elbows.
Cam part (17) is arranged in the first (15) of hole (9), promptly is arranged in not sidewall that part of of skew toward the outer side of trigger (6).Because the special shape in this hole (9), and the dual reverse skew that causes by the top part of the sidewall (7,8) of trigger (6) on the other hand on the one hand by the rounded ends (13,14) of arm (1,2), pivot can move comprehensively, to give the pivot degree of freedom and against possible impact of two parts.Referring to Fig. 5, it should be noted that the bar that is inverted u-shaped (18) that is integrated into control lever (19) cooperates via one in the circular bulge branch (20) of the curved surface (21) of described bar (18) and trigger (6), so that the strong return mechanism that opposing is used and promote bar (19) via the transmission of trigger (6) to the motion of elbows in this series products.
Natural is, in not limit of the exemplary embodiment the present invention shown in the accompanying drawing before this, the present invention can comprise variant, such as the rounded ends (13,14) of arm (1,2) toward the outer side skew and the sidewall (7,8) of trigger (6) towards the combination of the skew (11,12) of inboard.
Claims (5)
1. pivot that is applicable to the mechanical lock of the line switching electric device that triggers circuit breaker type, this pivot comprise at least one be suitable for depending on respectively the closed of described circuit and open and two contact with the corresponding static contact respectively and away from the position between mobile moving contact, described lock is activated by the control lever (19) of the described moving contact between described two positions, and comprise the elbows that described bar (19) is connected to described moving contact, described elbows is returned back to the device of described open position, with pivot with respect to described elbows by described pivot and be suitable for triggering the trigger (6) that enters described open position, it is characterized in that described trigger (6) comprises two toward each other and be arranged on hole (9 on the sidewall of described trigger (6), 10), described sidewall is perpendicular to described pivotal axis and formed two parallel arms (1 of first element that allows described elbows, 2) support that pivot connects, described hole (9,10) be positioned at towards described each wall (7,8) the outside or inboard lateral shift part (11,12) on, and formed the vertical orientated groove of described relatively wall to allow described arm (1, passing through 2), described groove is being arranged on described wall (7 on the one hand, 8) in the not Offset portion, and allow described arm (1,2) extend in first bore portion (15) that insert end, on the other hand at described wall (7,8) extend in second bore portion (16) in the Offset portion, described second bore portion comprises and is used for forming towards described wall (7, the bottom of the housing that opens wide in the inboard 8) or the outside, described housing peripheral rounded and be suitable for guiding described elbows arm (1,2) rounded ends (13,14) rotation.
2. the pivot that is applicable to the mechanical lock that triggers the line switching electric device as claimed in claim 1 is characterized in that the plane of described rounded ends (13,14) is positioned at the extension of each arm (1,2), and towards relative arm lateral shift.
3. the described pivot that is applicable to the mechanical lock that triggers the line switching electric device of any as described above claim, two parts (15 that it is characterized in that described each hole (9,10), 16) separate by cam part (17), the described first (15) of (9,10) guides to described second portion (16) to described cam part from each hole with the described end (13,14) of the described arm (1,2) of described elbows, described cam part orientate as described end (13,14) each be blocked in its housing that is inserted into.
4. the pivot that is applicable to the mechanical lock that triggers the line switching electric device as claimed in claim 3, it is characterized in that described cam part (17) comprises the first that the inclined-plane by circle constitutes near the described first (15) of described hole (9,10), this inclined-plane is with there being the top, and the blocking type stop of the described end (13,14) of described arm (1,2) is formed in its residing housing on described top.
5. any as described above claim is described to be applicable to the pivot of the mechanical lock that triggers the line switching electric device, and the skew of described end (13,14) of described arm (1,2) that it is characterized in that the described bottom of described second portion (16) in described each hole (9,10) and described elbows is by punching press/mold pressing acquisition.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0858074A FR2939238B1 (en) | 2008-11-28 | 2008-11-28 | JOINT MECHANISM FOR ELECTRIC CLAMP OF LINE BREAKER TYPE OF CIRCUIT BREAKER TYPE. |
| FR0858074 | 2008-11-28 | ||
| PCT/FR2009/052310 WO2010061141A1 (en) | 2008-11-28 | 2009-11-26 | Pivot mechanism for a lock to trip a circuit breaker-type electrical apparatus for cutting off electrical lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102227798A true CN102227798A (en) | 2011-10-26 |
| CN102227798B CN102227798B (en) | 2014-01-08 |
Family
ID=40823354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980147805.6A Active CN102227798B (en) | 2008-11-28 | 2009-11-26 | Pivot mechanism for lock to trip circuit breaker-type electrical apparatus for cutting off electrical lines |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2351061B1 (en) |
| JP (1) | JP5581327B2 (en) |
| CN (1) | CN102227798B (en) |
| BR (1) | BRPI0914374A2 (en) |
| FR (1) | FR2939238B1 (en) |
| WO (1) | WO2010061141A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10449685B2 (en) | 2010-04-29 | 2019-10-22 | Whirlpool Corporation | Food processor with adjustable blade assembly |
| US8720325B2 (en) | 2010-04-29 | 2014-05-13 | Whirlpool Corporation | Food processor with a lockable adjustable blade assembly |
| US9808774B2 (en) | 2013-03-01 | 2017-11-07 | Whirlpool Corporation | Stirring wand |
| US10085599B2 (en) | 2014-12-19 | 2018-10-02 | Whirlpool Corporation | Multi-cook and food processing prep product |
| USD853782S1 (en) | 2017-02-20 | 2019-07-16 | Whirlpool Corporation | Food processor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056797A (en) * | 1976-07-06 | 1977-11-01 | I-T-E Imperial Corporation | Cradle for contact operating means |
| CN1166889A (en) * | 1994-11-29 | 1997-12-03 | 金钟-默勒有限公司 | Lock for low-voltage switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2936351A (en) * | 1958-04-16 | 1960-05-10 | Ite Circuit Breaker Ltd | Automatic resetting mechanism |
| US3152232A (en) * | 1960-02-29 | 1964-10-06 | Ite Circuit Breaker Ltd | Circuit breaker having bimetal rigidly secured to cradle |
| DE4227213C2 (en) * | 1992-08-17 | 1995-08-31 | Kloeckner Moeller Gmbh | Switch lock for a circuit breaker |
| US5918732A (en) * | 1994-11-29 | 1999-07-06 | Klockner-Moeller Gmbh | Power circuit breaker with a breaker mechanism and a breaker mechanism for a power circuit breaker with a lock for a low-voltage switch |
| JP4857881B2 (en) * | 2006-04-14 | 2012-01-18 | 富士電機機器制御株式会社 | Circuit breaker |
-
2008
- 2008-11-28 FR FR0858074A patent/FR2939238B1/en not_active Expired - Fee Related
-
2009
- 2009-11-26 JP JP2011538038A patent/JP5581327B2/en active Active
- 2009-11-26 WO PCT/FR2009/052310 patent/WO2010061141A1/en active Application Filing
- 2009-11-26 EP EP09797098A patent/EP2351061B1/en active Active
- 2009-11-26 BR BRPI0914374A patent/BRPI0914374A2/en active Search and Examination
- 2009-11-26 CN CN200980147805.6A patent/CN102227798B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056797A (en) * | 1976-07-06 | 1977-11-01 | I-T-E Imperial Corporation | Cradle for contact operating means |
| CN1166889A (en) * | 1994-11-29 | 1997-12-03 | 金钟-默勒有限公司 | Lock for low-voltage switch |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2351061B1 (en) | 2012-10-31 |
| JP5581327B2 (en) | 2014-08-27 |
| JP2012510699A (en) | 2012-05-10 |
| CN102227798B (en) | 2014-01-08 |
| BRPI0914374A2 (en) | 2016-09-27 |
| WO2010061141A1 (en) | 2010-06-03 |
| FR2939238A1 (en) | 2010-06-04 |
| EP2351061A1 (en) | 2011-08-03 |
| FR2939238B1 (en) | 2011-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102227798A (en) | Pivot mechanism for lock to trip circuit breaker-type electrical apparatus for cutting off electrical lines | |
| CN201289830Y (en) | Electrical installation switch device | |
| CN103000459B (en) | Power circuit breaker | |
| KR100882399B1 (en) | Circuit breaker having automatic release linkage and automatic release linkage used therein | |
| MY146547A (en) | Mold cased circuit breaker | |
| CN108022773B (en) | The door locking device of the distribution box of air-break circuit-breaker | |
| AU2008201424A1 (en) | Operating device of an electrical protection apparatus and electrical protection apparatus comprising same | |
| CN102246255B (en) | Mechanical trip device for line switchgear | |
| EP2549499B1 (en) | Electrical switching apparatus and secondary trip mechanism therefor | |
| EP2107588A2 (en) | Circuit breaker | |
| CN103457114A (en) | Container socket | |
| US3562463A (en) | Rack and pinion operating means for enclosed circuit disconnect devices with snap action and positive kickoff features | |
| US6867672B2 (en) | Switching device comprising a latching mechanism | |
| CN106653504B (en) | A kind of circuit breaker operation mechanism | |
| CN204303732U (en) | For auxiliary shearing device and the electric switching system of electric switching system | |
| CN102315054A (en) | Electric installation switchgear and comprise installation switchgear and the system of auxiliary switch | |
| CN112992620A (en) | Operating mechanism of circuit breaker | |
| CN219677173U (en) | Operating mechanism of circuit breaker and circuit breaker | |
| CN221008805U (en) | Electrical cabinet | |
| KR101513206B1 (en) | Production method for circuit braker's switching mechanism and press for the same | |
| CN210985429U (en) | Automatic switch-on position lock of circuit breaker | |
| CN213341399U (en) | Automatic switch-on position lock for draw-out circuit breaker | |
| KR200398419Y1 (en) | Multiple Link Operating Mechanism for Vacuum Circuit Breaker | |
| US20210082636A1 (en) | Electrical switching unit with separable contacts | |
| JP6886167B2 (en) | Interlocking parts and circuit breakers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |