CN102426999B - Operating mechanism of modularized breaker - Google Patents
Operating mechanism of modularized breaker Download PDFInfo
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- CN102426999B CN102426999B CN201110268611.0A CN201110268611A CN102426999B CN 102426999 B CN102426999 B CN 102426999B CN 201110268611 A CN201110268611 A CN 201110268611A CN 102426999 B CN102426999 B CN 102426999B
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- 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
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
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Abstract
The invention provides an operating mechanism of a modularized breaker. A lever and a lock catch are respectively pivotedly installed at a contact support; there are two states between a first hasp surface on the lever and a second hasp surface on the lock catch, wherein the two states include a contact locking state and a separating unlocking state; on the condition of the contact locking state, the lever, the lock catch and the contact support can not make relative free motions; and on the condition of the separating unlocking state, the lever and the lock catch can make free rotations relatively to the contact support. A moving contact is pivotedly installed at the contact support through a first connection structure and a pressure spring; one end of the spring is connected with the contact support and the other end of the spring is connected with the moving contact; and the spring is used for energy storage and providing contact pressures for the moving contact and a static contact, wherein the moving contact and the static contact are in a closed state. The lock catch is provided with a restriction member that is installed and connected through a second connection structure; an elastic antenna on the restriction member and a glide plane on the housing are contacted and are in a sliding fit. According to the invention, the operating mechanism has advantages of improved reliability and service life, small volume, few parts, and low cost as well as is easy to be produced automatically in a large scale.
Description
Technical field
The present invention relates to a kind of operating mechanism of low-pressure plastic shell circuit-breaker, especially a kind of operating mechanism of Modularized miniature circuit break.
Background technology
Modularized miniature circuit break, because its volume is little, breaking capacity is high and clamping-rail is easy for installation, is subject to the favor in market, be widely used at present utilities building and private residence as electrical equipment point, combined floodgate, overload, short-circuit protection use.Existing Modularized miniature circuit break generally adopts for example disclosed operating mechanism of Chinese invention patent application CN88103427A, this generic operation mechanism comprises the toggle that a handle being connected with kinematic link forms, one has moving contact supportive device and a mechanical chain that can be disconnected by the action of trip(ping) bar that is installed in rotation on the plate on pivot, this chain be by stop catch of trip(ping) bar be rotatably mounted on a lock bolt in the axle of plate and match and form, connecting skewer is directly connected on lock bolt, this conventional assembly structure has formed a deceleration transmission level.
But the number of components of existing operating mechanism is many, operating physical force or tripping force are bigger than normal, if the contact support 36 of CN88103427A is to be fixed together by a spring 38 and a swivel plate 40, contact support 36 can rotate to ensure product contact pressure and the excess of stroke among a small circle with swivel plate 40, this swivel plate not only needs to occupy larger space, but also need to adopt more expensive material, operating mechanism not only part is many, and efficiency of assembling is low, make the volume of circuit breaker bigger than normal or after volume-diminished the performance index such as breaking capacity decline, be difficult to realize the further microminiaturization of miniature circuit breaker.In addition, between the moving contact of existing miniature circuit breaker operating mechanism and contact support, be stick with glue knot or weld together to achieve a fixed connection by modes such as bonding or rivet hots, complex procedures, and firmness is unreliable.Not environmental protection of production process, produces pernicious gas and the large production efficiency that reduced of labor strength.Because at least needing two kinds of glue, mixes adhesive glue, then also need to send into firing equipment drying and processing, not only need the curing duration of bonding agent of growing very much, and glue flows out unavoidably in this process, inevitably often there is the problem that bonding agent pollutes circuit breaker moving contact, may cause breaker contact point to have no power problem, will spend a large amount of man-hours and remove this pollution difficulty.If adopt rivet hot to be fixedly connected with mode, not only can cause the significantly decline of production efficiency, and this rivet hot need adopt more expensive material to do strutting piece, and the intensity that thermoplastic is fixedly connected be lower.Moreover, moving contact is rigidly fixed to the mode being connected with contact support, make the operating physical force of operating mechanism or tripping force bigger than normal, be unfavorable for the life-span of circuit breaker.
Summary of the invention
What the present invention will solve is the problems referred to above that prior art exists, a kind of operating mechanism of modularized breaker of miniaturization is provided, be intended to further improve the reliability of circuit breaker, fail safe and the production efficiency of use, make the miniaturization of circuit breaker volume, more reasonable structure, be easier to extensive automatic assembling production.
The technical scheme that the present invention addresses the above problem employing is:
A kind of operating mechanism of modularized breaker, comprise the operating grip 1 being pivoted on respectively on case for circuit breaker 10, contact with moving contact 5 supports 2, be fixedly mounted on the fixed contact 9 on shell 10, the return spring 8 being connected with shell 10 and operating grip 1 respectively, support 2 energy-stored springs that are connected 7 with shell 10 and contact respectively, connecting rod 6, lever 3 and the snap close 4 being arranged in contact support 2, this operating grip 1 is by connecting rod 6 and lever 3 chain connections, moving contact 5 is carried out closure/disjunction with fixed contact 9 and is coordinated, described contact support 2 is pivoted on case for circuit breaker 10 by the second pivot 26.Described lever 3 and snap close 4 are pivoted on respectively contact and support on 2, on lever 3, be provided with the first hasp face 31, on snap close 4, be provided with the second hasp face 41, the first hasp face 31 and the second hasp face 41 can hasp be connected to be made to have between the first hasp face 31 and the second hasp face 41 contact locking and separates release two states, and, under the contact lock-out state being connected with the second hasp face 41 hasps at the first hasp face 31, lever 3, snap close 4 and contact are supported free movement relatively between 2 threes; Contact under the separation released state that hasp is connected at the first hasp face 31 and the second hasp face 41, lever 3 and snap close 4 can support 2 freely to rotate with respect to contact.Described moving contact 5 is pivoted on by compression spring 11 in the rotating shaft 22 of contact support 2, one end of compression spring 11 supports that with contact 2 are connected, the other end of compression spring 11 is connected with moving contact 5, at breaker closing state, compression spring 11 energy storage also provide contact to the moving contact 5 under closure state with fixed contact 9.On described snap close 4, install and connect a limited part 40, limited part 40 is provided with curved elasticity feeler 401, and described elasticity feeler 401 contacts and is slidably matched with the sliding surface 104 on shell 10.
Moving contact can be connected by the first bindiny mechanism with contact support, the first described syndeton comprises the stopper slot 21 that is formed in contact support 2, be formed on rotating shaft 22 in stopper slot 21, be formed on the opening 23 on a sidewall of stopper slot 21 and be formed on the through hole 51 on moving contact 5, moving contact 5 is installed in rotating shaft 22 by through hole 51 pivotables, and pack in stopper slot 21 from opening 23, can only be towards swinging with the direction of closing motion opposite direction to jointly limit moving contact 5 by rotating shaft 22 and stopper slot 21.
Described snap close 4 can be installed and be connected with limited part 40 by the second syndeton, the second wherein said syndeton comprises the mounting groove 42 that is formed on snap close 4, is formed on the installation projection 402 on limited part 40, and limited part 40 is fixedly mounted in the mounting groove 42 of snap close 4 by projection 402 is installed on it.Or the second described syndeton comprises the mounting groove 42 that is formed on limited part 40, is formed on the installation projection 402 on snap close 4, snap close 4 is fixedly mounted in the mounting groove 42 of limited part 40 by projection 402 is installed on it.In addition, the second described syndeton also can comprise: described stop 40, snap close 4 are all pivoted on contact by the 4th axle 24 and support on 2, and described stop 40, snap close 4 apportion contacts are supported 2 both sides, such as, the 4th axle 24 runs through contact support 2 and supports 2 both sides to stretch out from contact, described stop 40, snap close 4 one end of the 4th axle 24 respectively.
Wherein, under the first settling position state at operating grip 1 in corresponding closing position, the line A between hinged the first center of rotation P of connecting rod 6 and the second center of rotation S is positioned at below the first pivotable center O of operating grip 1; Under the second settling position state at operating grip 1 in corresponding open position, described line A be positioned at operating grip 1 the first pivotable center O above.Hinged the first center of rotation P of described connecting rod 6 and lever 3 is arranged between the second pivotable center Q and the first hasp face 31 of lever 3.The extended line of line A between hinged the first center of rotation P of described connecting rod 6 and the second center of rotation S passes between the second pivotable center Q of lever 3 and the 3rd pivotable center R of snap close 4.
Wherein said snap close 4 also comprises a drive link 12 and is formed on the hole 43 on snap close 4, and one end of drive link 12 is arranged in hole 43.Described snap close 4 is provided with at least one touching face 44.
Wherein said compression spring 11 is torsion spring.
The present invention adopts less parts to realize the function of operating mechanism, adopt elasticity to connect the modes of being rigidly connected such as replacing bonding or rivet hot and realize being connected between moving contact and contact support, product reliability and life-span are not only improved, and volume is little, part is few, cost is low, is easy to mass automatic production.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the operating mechanism of modularized breaker of the present invention, there is shown the state of the each part under the first settling position that operating grip 1 is in corresponding make position.
Fig. 2 is the structural representation of the gate-dividing state of the embodiment of operating mechanism shown in Fig. 1, there is shown the state of the each part under the second settling position that operating grip 1 is in corresponding disjunction position.
Fig. 3 is the assembling schematic perspective view of the operating mechanism embodiment shown in Fig. 1.
Fig. 4 is that the back of the body of Fig. 3 is looked schematic perspective view, there is shown syndeton and assembly relation that moving contact and contact are supported.
Fig. 5 is the explosive view of the embodiment of operating mechanism shown in Fig. 1, there is shown shape and structure and the assembly relation of the part of modularized breaker operating mechanism of the present invention.
Fig. 6 is the local enlarged diagram of the C in Fig. 2 and Fig. 3, there is shown lever and the matching relationship that contacts latching under lock-out state.
Fig. 7 is the principle schematic of the embodiment shown in Fig. 1, there is shown the position relationship of operating mechanism center of rotation of relevant moving link under closure state.
Fig. 8 is the principle schematic of the embodiment shown in Fig. 1, there is shown the position relationship of operating mechanism center of rotation of relevant moving link under disjunction state.
Embodiment
Below in conjunction with embodiment shown in the drawings, taking miniature circuit breaker as example, further describe the embodiment of the operating mechanism of modularized breaker of the present invention.The operating mechanism of modularized breaker of the present invention is not limited to the description of following examples.
Referring to the operating mechanism of the miniature circuit breaker shown in Fig. 1 to 6, the return spring 8 that comprise case for circuit breaker 10, lever 3, snap close 4, moving contact 5, be pivoted on operating grip 1 on case for circuit breaker 10 and contact support 2 respectively, be fixedly mounted on fixed contact 9 on case for circuit breaker 10, is connected respectively with case for circuit breaker 10 and operating grip 1, respectively with case for circuit breaker 10 and contact support 2 energy-stored springs that are connected 7, respectively with operating grip 1 and the hinged connecting rod 6 of lever 3.Operating grip 1 is pivotally mounted on the first pivot 102 on case for circuit breaker 10 by the first axis hole 19 arranging on it, the center that operating grip 1 rotates around the first pivot 102 is the first pivotable center O (referring to Fig. 8 or 7), and contact support 2 is pivotally mounted on the second axis hole (in figure, end illustrates) on case for circuit breaker 10 by the second pivot 26 arranging on it.One end of return spring 8 is connected with case for circuit breaker 10, and its other end is connected with operating grip 1.One end of energy-stored spring 7 is connected with case for circuit breaker 10, and the other end of energy-stored spring 7 supports that with contact 2 are connected.One end of connecting rod 6 and operating grip 1 chain connection, connecting rod 6 is the second center of rotation S (referring to Fig. 8 or 7) with the hinged center of rotation of operating grip 1, the other end of connecting rod 6 and contact are supported lever 3 chain connections on 2, and connecting rod 6 is the first center of rotation P (referring to Fig. 8 or 7) with the hinged center of rotation of lever 3.Moving contact 5 has the disjunction state separating with fixed contact 9 and the closure state contacting with fixed contact 9, at moving contact 5 under closure state, energy-stored spring 7 energy storage, correspondingly at moving contact 5 under disjunction state, energy-stored spring 7 discharges.Operating grip 1 is subject to the first locating surface 101 on case for circuit breaker 10 and the stop limits of the second locating surface 102, have corresponding described moving contact 5 and the closure state of fixed contact 9 the first settling position and corresponding described in moving contact 5 and the second settling position of the disjunction state of fixed contact 9.Operating grip 1 makes operating grip 1 be stabilized in the first settling position with contacting of the first locating surface 101, under this position, and return spring 8 energy storage; Operating grip 1 makes operating grip 1 be stabilized in the second settling position with contacting of the second locating surface 102, and under this position, return spring 8 discharges.Here pivotable is installed and is referred to the installation that can rotate (definitely saying swing) after two parts are installed together.Chain connection refers to the connection of only having a rotational freedom after two parts link together.
Described lever 3 and snap close 4 are pivoted on respectively contact and support on 2, specifically refer to and in contact support 2, be provided with the 3rd pivot 25 and the 4th pivot 24, on lever 3, be provided with Triaxial hole 32, lever 3 is pivoted on contact by Triaxial hole 32 and supports that on the 3rd pivot 25 on 2, the center that lever 3 rotates around the 3rd pivot 25 is the second pivotable center Q (referring to Fig. 8 or 7).On snap close 4, be provided with the 4th axis hole 42, snap close 4 is pivoted on contact by the 4th axis hole 42 and supports that on the 4th pivot 24 on 2, the center that snap close 4 rotates around the 4th pivot 24 is the 3rd pivotable center R (referring to Fig. 8 or 7).On lever 3, be provided with the first hasp face 31, be provided with the second hasp face 41 on snap close 4, contact under lock-out state with the second hasp face 41 at the first hasp face 31, lever 3, snap close 4 and contact are supported free movement relatively between 2 threes.Separate under released state with the second hasp face 41 at the first hasp face 31, lever 3 and snap close 4 can support 2 freely to rotate with respect to contact.On snap close 4, be also provided with a limited part 40, limited part 40 is installed and is connected with snap close 4 by second syndeton, the second syndeton described here comprises the mounting groove 42 that is formed on snap close 4, is formed on installation projection 402 and circular hole 403 on limited part 40, projection 402 is installed and is arranged in mounting groove 42, circular hole 403 is pivoted on contact and supports on the 4th axle 24 on 2 together with snap close 4.As shown in Figure 3,4, described stop 40, snap close 4 are all pivoted on contact by the 4th axle 24 and support on 2, and described stop 40, snap close 4 apportion contacts are supported 2 both sides, the 4th axle 24 runs through the front and back of contact support 2 and supports 2 both sides to stretch out from contact, described stop 40, snap close 4 one end of the 4th axle 24 respectively.The second syndeton shown in the drawings is preferred version, another program of alternative this scheme is: the second described syndeton comprises the mounting groove 42 that is formed on snap close 4, is formed on the installation projection 402 on limited part 40, projection 402 is installed and is fixedly mounted in mounting groove 42.On limited part 40, be provided with curved elasticity feeler 401, the curved elasticity feeler 401 being formed on limited part 40 contacts and is slidably matched with the sliding surface 104 on case for circuit breaker 10.Moving contact 5 is pivoted on contact by the first syndeton and compression spring 11 and supports on 2, and one end of compression spring 11 supports that with contact 2 are connected, and the other end is connected with moving contact 5.The first syndeton described here comprises the stopper slot 21 that is formed in contact support 2, be formed on rotating shaft 22 in stopper slot 21, be formed on the opening 23 on a sidewall of stopper slot 21 and be formed on the through hole 51 on moving contact 5, moving contact 5 is installed to rotating shaft 22 from opening 23 pivotables by through hole 51, and packs in stopper slot 21.The width of opening 23 is less times greater than the width of moving contact 5, to allow moving contact 5 to pass through as degree from opening 23.Be in place under state at moving contact 5, three sidewalls (in figure, end illustrates) of rotating shaft 22 and stopper slot 21 jointly limit moving contact 5 and can only swing towards a direction, the closing motion opposite direction of this swaying direction and moving contact 5, the direction of the active force with fixed contact 9, the contact of moving contact 5 being stopped is consistent.The width of the opening 23 of the first syndeton of embodiment shown in the drawings is less times greater than the width of moving contact 5, this is preferred scheme, another program of alternative this scheme is, the width of opening 23 equals the width of moving contact 5, now requires the tolerance fit between the width of opening 23 and the width of moving contact 5 to ensure that opening 23 allows moving contact 5 to pass through.At moving contact 5, under disjunction state, the elastic acting force of compression spring 11 orders about moving contact 5 and contacts with the bottom surface (in figure, end illustrates) of stopper slot 21, moving contact 5 is in contact and supports 2 states without relative displacement (angular displacement); At moving contact 5 under closure state, because fixed contact 9 stops the contact of moving contact 5, make moving contact 5 and contact support 2 to producing relative angular displacement, and cause compression spring 11 to produce strain and energy storage, namely, at moving contact 5, under closure state, compression spring 11 energy storage also provide contact to moving contact 5 and fixed contact 9.Contact pressure spring 11 preferably adopts torsion spring.
Below in conjunction with Fig. 1,2,7 and 8, further illustrate the operation principle of the operating mechanism of modularized breaker of the present invention.At operating grip 1 under the first settling position state as shown in Fig. 1 or 7, line A between hinged the first center of rotation P and the second center of rotation S of connecting rod 6 is positioned at below the first pivotable center O of operating grip 1, under this state, energy-stored spring 7 supports 2 by contact, the power that lever 3 passes to connecting rod 6 acts on operating grip 1 along line A, because line A is positioned at below the first pivotable center O of operating grip 1, so acting on the power of operating grip 1, connecting rod 6 make operating grip 1 produce clockwise moment of torsion, this moment of torsion promotes operating grip 1 and contacts with the first locating surface 101, and make operating grip 1 be stabilized in the first settling position, moving contact 5 and fixed contact 9 closures.At operating grip 1 under the second settling position state as shown in Fig. 2 or 8, line A between hinged the first center of rotation P and the second center of rotation S of connecting rod 6 be positioned at operating grip 1 the first pivotable center O above, under this state, energy-stored spring 7 supports 2 by contact, the power that lever 3 passes to connecting rod 6 acts on operating grip 1 along line A, due to line A be positioned at operating grip 1 the first pivotable center O above, so acting on the power of operating grip 1, connecting rod 6 make operating grip 1 produce anticlockwise moment of torsion, this moment of torsion promotes operating grip 1 and contacts with the second locating surface 102, and make operating grip 1 be stabilized in the second settling position, moving contact 5 and fixed contact 9 disjunctions.Hinged the first center of rotation P of connecting rod 6 and lever 3 is arranged between the second pivotable center Q and the first hasp face 31 of lever 3, such setting makes connecting rod 6 order about the first hasp face 31 to the active force of lever 3 to swing to the second hasp face 41, to realize the locking that contacts of the first hasp face 31 and the second hasp face 41.The extended line of line A between hinged the first center of rotation P of connecting rod 6 and the second center of rotation S passes between the second pivotable center Q of lever 3 and the 3rd pivotable center R of snap close 4.Because this architectural feature and the first above-mentioned center of rotation P are arranged on the architectural feature between the second pivotable center Q and the first hasp face 31, locking or release between lever 3 and snap close 4 are realized.Specifically, contact under lock-out state with the second hasp face 41 at the first hasp face 31, lever 3, snap close 4 and contact are supported free movement relatively between 2 threes, thereby contact support 2 is subject to the active force control of connecting rod 6, combined floodgate or sub-switching operation that can only operation response handle 1.In the time being subject to the touching of circuit breaker actuating device (as electromagnetic tripping apparatus, bimetal leaf) on the touching face 44 of snap close 4 or drive link 12, snap close 4 occurs to rotate around the 3rd pivotable center R, this rotation makes the second hasp face 41 separate release with the first hasp face 31, thereby lever 3 loses constraint, can support 2 freely to rotate with respect to contact, now contact support 2 is not subject to the active force control of connecting rod 6, and under the elastic force effect of energy-stored spring 7, responds automatic trip action.After automatic trip release, the elastic force effect of the elasticity feeler 401 on the limited part 40 of snap close 4 is ordered about snap close 4 toward back rotation, make the first hasp face 31 get back to and contact lock-out state with the second hasp face 41, under this lock-out state, contact support 2 returns to again combined floodgate or sub-switching operation state that can only operation response handle 1.
Shown in Fig. 1,2,3,5, the snap close 4 being arranged in contact support also comprises a drive link 12 and is formed on the hole 43 on snap close 4, one end of drive link 12 is arranged in hole 43, and the other end of drive link 12 touches and coordinates with bimetal leaf (not shown).Described snap close 4 is provided with a touching face 44, for touching and coordinate with electromagnetic tripping apparatus (not shown).For meet can adaptive more actuating device needs, can increase the quantity of touching face 44, the touching face of increase by 44 can be arranged on other position that can promote the snap close 4 that snap close 4 rotates counterclockwise.
Should be understood that: above-described embodiment is just to explanation of the present invention, instead of limitation of the present invention, and any improvement not exceeding within the scope of connotation of the present invention, within all falling into protection scope of the present invention.
Claims (10)
1. the operating mechanism of a modularized breaker, comprise: moving contact (5), fixed contact (9), be pivoted on the operating grip (1) on case for circuit breaker (10), be pivoted on the contact support (2) of case for circuit breaker (10) by the second pivot (26), the return spring (8) being connected with shell (10) and operating grip (1) respectively, the energy-stored spring (7) being connected with shell (10) and contact support (2) respectively, connecting rod (6), lever (3) and snap close (4), this operating grip (1) is by connecting rod (6) and lever (3) chain connection, moving contact (5) is carried out closure/disjunction with fixed contact (9) and is coordinated, it is characterized in that:
Described lever (3) and snap close (4) are pivoted on respectively on the 3rd pivot (25) and the 4th pivot (24) of contact support (2), lever (3) and snap close (4) hasp connect that make between lever (3), snap close (4) and contact support (2) three can not relative free movement, and lever (3) releasing is connected with the hasp of snap close (4) makes lever (3) and snap close (4) recovery freely rotating with respect to contact support (2);
Described moving contact (5) is pivoted on by compression spring (11) in the rotating shaft (22) of contact support (2), compression spring (11) is sleeved in rotating shaft (22), one end of compression spring (11) is connected with contact support (2), the other end of compression spring (11) is connected with moving contact (5), at breaker closing state, compression spring (11) energy storage also provides contact to the moving contact under closure state (5) and fixed contact (9);
The upper installation of described snap close (4) connects a limited part (40), limited part (40) is provided with curved elasticity feeler (401), and described elasticity feeler (401) contacts and is slidably matched with the sliding surface (104) on shell (10).
2. the operating mechanism of modularized breaker according to claim 1, it is characterized in that: contact support (2) is provided with stopper slot (21), the rotating shaft (22) of moving contact (5) is formed in stopper slot (21), a sidewall of stopper slot (21) is provided with opening (23), moving contact (5) is provided with through hole (51), moving contact (5) is installed in rotating shaft (22) by through hole (51) pivotable, and pack in stopper slot (21) from opening (23), can only be towards swinging with the direction of closing motion opposite direction to jointly limit moving contact (5) by rotating shaft (22) and stopper slot (21).
3. the operating mechanism of modularized breaker according to claim 1, it is characterized in that: snap close (4) is provided with mounting groove (42), limited part (40) is provided with projection (402) is installed, and limited part (40) is inserted in snap close (4) mounting groove (42) by the installation projection (402) on it; Or snap close (4) is provided with projection (402) is installed, limited part (40) is provided with mounting groove (42), and snap close (4) is inserted in the mounting groove (42) of limited part (40) by the installation projection (402) on it.
4. the operating mechanism of modularized breaker according to claim 1, it is characterized in that: it is upper that described limited part (40), snap close (4) are all pivoted on contact support (2) by the 4th axle (24), and described limited part (40), snap close (4) apportion contact are supported the both sides of (2).
5. the operating mechanism of modularized breaker according to claim 1, is characterized in that:
Described connecting rod (6) is the second center of rotation (S) with the hinged center of rotation of operating grip (1), and connecting rod (6) is the first center of rotation (P) with the hinged center of rotation of lever (3);
Under the first settling position state at operating grip (1) in corresponding closing position, the line (A) between hinged the first center of rotation of connecting rod (6) (P) and the second center of rotation (S) is positioned at below the first pivotable center (O) of operating grip (1);
Under the second settling position state at operating grip (1) in corresponding open position, described line (A) be positioned at operating grip (1) the first pivotable center (O) above.
6. the operating mechanism of modularized breaker according to claim 1, it is characterized in that: described lever (3) have one with the first hasp face (31) of snap close (4) hasp, described connecting rod (6) and hinged the first center of rotation of lever (3) (P) are arranged between the second pivotable center (Q) and the first hasp face (31) of lever (3).
7. the operating mechanism of modularized breaker according to claim 6, it is characterized in that: described connecting rod (6) is the second center of rotation (S) with the hinged center of rotation of operating grip (1), and the extended line of the line (A) between described hinged the first center of rotation of connecting rod (6) (P) and the second center of rotation (S) passes between the second pivotable center (Q) of lever (3) and the 3rd pivotable center (R) of snap close (4).
8. the operating mechanism of modularized breaker according to claim 1, it is characterized in that: described snap close (4) also comprises a drive link (12) and be formed on the hole (43) on snap close (4), one end of drive link (12) is arranged in hole (43).
9. according to the operating mechanism of the modularized breaker described in claim 1 or 8, it is characterized in that: described snap close (4) is provided with at least one touching face (44).
10. the operating mechanism of modularized breaker according to claim 1, is characterized in that: described compression spring (11) is torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268611.0A CN102426999B (en) | 2011-09-13 | 2011-09-13 | Operating mechanism of modularized breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268611.0A CN102426999B (en) | 2011-09-13 | 2011-09-13 | Operating mechanism of modularized breaker |
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| Publication Number | Publication Date |
|---|---|
| CN102426999A CN102426999A (en) | 2012-04-25 |
| CN102426999B true CN102426999B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110268611.0A Active CN102426999B (en) | 2011-09-13 | 2011-09-13 | Operating mechanism of modularized breaker |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709125B (en) * | 2012-05-18 | 2014-06-18 | 东莞基业电气设备有限公司 | Operating mechanism of small circuit breaker |
| DE102013211539B4 (en) * | 2012-08-31 | 2020-08-06 | Siemens Aktiengesellschaft | Switching mechanism and electromechanical protective switching device |
| CN103050342B (en) * | 2012-12-20 | 2014-10-15 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| DE102014110757B4 (en) * | 2014-07-29 | 2016-12-29 | Eaton Industries Austria Gmbh | switchgear |
| US9859083B1 (en) * | 2016-08-02 | 2018-01-02 | Siemens Aktiengesellschaft | Linkage-based off-stop apparatus and methods for circuit breakers |
| CN108269719B (en) * | 2017-01-04 | 2019-12-06 | 浙江正泰电器股份有限公司 | Circuit breaker operating mechanism and assembly method thereof |
| CN108461362B (en) * | 2017-02-22 | 2020-06-30 | 浙江正泰电器股份有限公司 | Method for assembling circuit breaker |
| CN107275161B (en) * | 2017-06-27 | 2020-09-15 | 美高电气科技有限公司 | Small-sized circuit breaker |
| CN107248486B (en) * | 2017-08-09 | 2019-10-11 | 南京云凯防雷科技股份有限公司 | A kind of back-up protection device of novel big through-flow releasing structure |
| GB2585836A (en) * | 2019-07-16 | 2021-01-27 | Eaton Intelligent Power Ltd | A switching device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0452230A1 (en) * | 1990-04-09 | 1991-10-16 | Merlin Gerin | Driving mechanism for circuit breaker |
| EP0696041A1 (en) * | 1994-08-04 | 1996-02-07 | Legrand | Cut out |
| CN101276710A (en) * | 2007-03-29 | 2008-10-01 | 施耐德电器工业公司 | Device for controlling an electric protection device and electric protection device including same |
| CN101923987A (en) * | 2009-06-09 | 2010-12-22 | 浙江科都电气制造有限公司 | Improved breaker |
| CN202196721U (en) * | 2011-09-13 | 2012-04-18 | 浙江正泰电器股份有限公司 | Operation mechanism of modulization breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2746957B1 (en) * | 1996-03-29 | 1998-06-19 | Schneider Electric Sa | CONTROL MECHANISM OF A CIRCUIT BREAKER WITH WIDE OPENING ANGLE |
| CN1306535C (en) * | 2004-02-11 | 2007-03-21 | 正泰集团股份有限公司 | Actuation device for auxiliary release of residual current actuation release breaker |
| CN100421200C (en) * | 2006-02-17 | 2008-09-24 | 浙江正泰电器股份有限公司 | Operation mechanism of mini-type residual current actuated breaker |
-
2011
- 2011-09-13 CN CN201110268611.0A patent/CN102426999B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0452230A1 (en) * | 1990-04-09 | 1991-10-16 | Merlin Gerin | Driving mechanism for circuit breaker |
| EP0696041A1 (en) * | 1994-08-04 | 1996-02-07 | Legrand | Cut out |
| CN101276710A (en) * | 2007-03-29 | 2008-10-01 | 施耐德电器工业公司 | Device for controlling an electric protection device and electric protection device including same |
| CN101923987A (en) * | 2009-06-09 | 2010-12-22 | 浙江科都电气制造有限公司 | Improved breaker |
| CN202196721U (en) * | 2011-09-13 | 2012-04-18 | 浙江正泰电器股份有限公司 | Operation mechanism of modulization breaker |
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|---|---|
| CN102426999A (en) | 2012-04-25 |
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