CN113496852B - Tripping alarm mechanism of actuating mechanism - Google Patents
Tripping alarm mechanism of actuating mechanism Download PDFInfo
- Publication number
- CN113496852B CN113496852B CN202010205602.6A CN202010205602A CN113496852B CN 113496852 B CN113496852 B CN 113496852B CN 202010205602 A CN202010205602 A CN 202010205602A CN 113496852 B CN113496852 B CN 113496852B
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- tripping
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- sliding block
- pressure spring
- lock plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 67
- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
According to the tripping alarm mechanism of the actuating mechanism, in the tripping alarm process of the actuating mechanism, tripping can be automatically popped up and indicated under the action of the energy storage power-assisted pressure spring of the indicating rod, and no resistance is generated on the actuating element, so that the force value requirement of the actuating element is reduced, the whole service life of the actuating mechanism is prolonged, in particular, the tripping plate for driving the actuating mechanism to trip is matched with the sliding block in the movement process and has a dead point structure, before the dead point structure, the actuating element is required to push, after the actuating element pushes through the dead point structure, the sliding block can reversely provide a tripping force value for the tripping plate, and the requirement on the force value of the actuating element is reduced from the other aspect. Therefore, when the actuating element integrally drives the actuating mechanism to trip the tripping alarm mechanism, the resistance overcome is far smaller than that of the original scheme, so that the actuating element is far better than that of the original scheme in terms of service life and processing and manufacturing cost, and the maintainability and manufacturability of the independent module structure are higher.
Description
Technical Field
The invention relates to a circuit breaker device, in particular to an actuating mechanism of a circuit breaker.
Background
The actuating mechanism of the circuit breaker needs an alarm prompt when tripping. The existing tripping alarm mechanism has the defects of complex part structure, staggered part functions, poor modularization and high debugging cost during production and fault occurrence; and when the actuating element in the actuating mechanism trips, the counterforces of the push plate, the pressing plate, the remote reset and the indicating rod need to be overcome, the volume of the actuating element is large, the force value requirement of the actuating element is high, and the service life is short.
Disclosure of Invention
The tripping alarm mechanism of the modularized energy storage type actuating mechanism provided by the invention is in an independent modularized structure, has fewer parts and simple structure, and greatly reduces the processing, manufacturing and maintenance costs.
In order to achieve the purpose of the present invention, the trip alarm mechanism of the actuating mechanism provided by the present invention includes:
A housing;
The push plate is connected with the tripping execution unit in the tripping process and can rotate around a rotating shaft arranged on the shell, the push plate is provided with a first push surface and a second push surface, and the push plate rotates after receiving a tripping instruction from the execution element, so that the first push surface and the second push surface are driven to move;
The lock plate can rotate around a rotating shaft arranged on the shell, two sides of the rotating shaft are provided with a supporting column, the supporting column is in contact with the shell, the lock plate is effectively prevented from tilting in the rotating process, the lock plate is also provided with a driving surface which is in overlap joint with the first pushing surface on the push plate, the first pushing surface is in overlap joint with the driving surface so as to drive the lock plate to rotate, the lock plate is provided with an overlap joint surface, the movement of the first pushing surface pushes the driving surface to drive the lock plate to rotate, and the overlap joint (hasp) amount of the overlap joint surface is reduced while the lock plate rotates;
The indicating rod is connected with the overlapping surface in a linkage way, a buckling surface matched with the overlapping surface is arranged on the indicating rod, when the lock plate rotates, the overlapping (amount) of the overlapping surface and the buckling surface is gradually reduced until the overlapping (amount) of the overlapping surface and the buckling surface is zero, and the indicating end of the indicating rod moves from a first position to a second position; and
The tripping plate is in lap joint with the second pushing surface, the tripping plate can rotate around a rotating shaft arranged on the shell, the tripping plate is provided with a first working surface, and the first working surface drives a brake separating half shaft of the circuit breaker operating mechanism to rotate to a designated position while the tripping plate rotates.
Further, the indicating rod is provided with an indicating rod energy storage assisting pressure spring, the lap surface of the locking plate and the locking surface of the indicating rod are reduced when the locking plate 4 rotates, and when the lap surface is reduced to zero, the indicating rod can pop up to the second position under the action of the indicating rod energy storage assisting pressure spring so as to play a trip indicating function.
Still further, be provided with a spout on the casing, the pilot rod can only be in slide in the spout, still be provided with pilot rod energy storage helping hand pressure spring direction boss on the casing, also be provided with a boss on the pilot rod, pilot rod energy storage helping hand pressure spring one end suit is on the direction boss of casing, and the other end suit is on the pilot rod on the boss, accomplish reliable location, the pilot rod energy storage helping hand pressure spring of pilot rod is energy storage structure, is energy storage before the tripping is reported to the police, during the tripping the pilot rod energy storage helping hand pressure spring elasticity release drives the pilot rod and forms the instruction fast, and can not produce extra resistance to actuating element.
Further, the trip plate is further provided with a second working surface, and the second working surface presses one end surface of the slider to generate reverse thrust to the second working surface.
Still further, a guide groove is arranged on the shell, the sliding block can only slide in the guide groove of the shell, a boss structure is also arranged on the sliding block, one end of a sliding block pressure spring is sleeved on the boss structure of the sliding block, the other end of the sliding block pressure spring is overlapped with the shell to finish reliable positioning, when the second working face presses one end face of the sliding block, the sliding block pressure spring generates reverse thrust, after the sliding block slides to the maximum stroke, the sliding block pressure spring can reversely move under the action of the sliding block pressure spring to push the trip plate to rapidly trip and limit the trip plate at the trip position,
Further, a support column is arranged on the lock plate, a lock plate torsion spring body is sleeved on the rotating shaft of the lock plate, one end of the lock plate torsion spring is lapped on the support column of the lock plate, the other end of the lock plate torsion spring is lapped on the shell, reliable positioning is completed, and a restoring force is provided for the lock plate.
The tripping alarm mechanism of the actuating mechanism provided by the invention has a simple and compact structure, is an independent module, greatly reduces the part cost and the processing cost, and the indicating rod is energy storage type, does not need to be pushed by an actuating unit in the tripping alarm process of the actuating mechanism, and can be automatically popped up and indicated to trip under the action of the energy storage assisted pressure spring of the indicating rod, so that the force value requirement of the actuating unit is reduced, the whole service life of the actuating mechanism is prolonged, and particularly, the trip plate for driving the tripping of the actuating mechanism is matched with the sliding block in the movement process and has a dead point structure, before the dead point structure, the actuating element is required to push, and after pushing through the dead point structure, the sliding block can reversely provide a tripping force value for the trip plate, and the requirement on the force value of the actuating element is reduced on the other hand. Therefore, when the actuating element integrally drives the actuating mechanism to trip the tripping alarm mechanism, the resistance overcome is far smaller than that of the existing scheme, so that the actuating element is far better than that of the existing scheme in terms of service life and processing and manufacturing cost, and the maintainability and manufacturability of the independent module structure are higher.
Drawings
Fig. 1 is a schematic structural diagram of a trip alarm mechanism of an actuator of the present invention in an un-tripped state of the trip alarm mechanism.
Fig. 2 is a schematic diagram of the outline structure of the tripping alarm mechanism of the actuating mechanism of the invention.
Fig. 3 is a schematic structural view of the housing of the present invention.
Fig. 4 is a schematic structural view of the latch plate of the present invention.
Fig. 5 is a schematic structural view of a push plate according to the present invention.
Fig. 6 is a schematic structural view of a lock plate according to the present invention.
Fig. 7 is a schematic structural view of a slider according to the present invention.
Fig. 8 is a schematic structural view of the indication rod of the present invention.
Fig. 9 is a schematic diagram of the outline structure of the trip alarm mechanism of the actuator of the present invention.
Fig. 10 is a schematic structural view of another state of the trip alarm mechanism of the actuator of the present invention.
Fig. 11, 12 and 13 are schematic structural views of the relative position change of the trip plate of the trip alarm mechanism of the actuator of the present invention and the dead point of the slide.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples.
Referring to fig. 1 and 2, the tripping alarm mechanism of the actuating mechanism provided by the invention comprises a shell 1, a push plate 3, a lock plate 4, an indication rod 6, a tripping plate 2, a sliding block 9, an indication rod energy storage assisting pressure spring 7, a lock plate torsion spring 5 and a sliding block pressure spring 8. The cover plate 2 is covered on the housing 1 and fixed thereto. The push plate 3, the lock plate 4 and the trip plate 2 are rotatably arranged in the shell 1, and the sliding block 9 is slidably arranged in the guide groove 14 of the shell 1 to slide left and right.
Referring to fig. 3 and 9, the rotating shaft 11 on the casing 1 is a rotating shaft of the push plate 3, and is matched with the central shaft sleeve 31 on the push plate 3, the baffle 12 on the casing 1 limits the push plate 3 in an unbuckled state, is matched with the upper surface 34 of the push plate 3, the rotating shaft 13 on the casing 1 is provided with a trip plate 2, is matched with the round hole 22 on the trip plate 2, and the sliding block 9 slides left and right in the sliding groove 14 on the casing 1. The shell 1 is provided with a guide boss 15, one end of the indicating rod return spring 7 is sleeved on the guide boss 15, and the other end of the indicating rod return spring abuts against the inner side of one side of the transverse wall of the indicating rod 6. The indication rod 6 is placed in the chute 16 of the housing 1 to slide up and down.
Referring to fig. 3 and 5, the push plate 3 is connected to the trip actuating unit and is rotatable about a rotation shaft 11 provided on the housing 1, and the push plate 3 is provided with a first push surface 32 and a second push surface 33 which receive a trip instruction from the actuating unit to rotate, thereby driving the first push surface 32 and the second push surface 33 to move.
Referring to fig. 3 and 4, the trip plate 2 is overlapped with the second pushing surface 33, the trip plate 2 can rotate around the rotating shaft 13 arranged on the shell 1, the trip plate 2 is provided with a first working surface 24 and a second working surface 23, the first working surface 24 drives the opening half shaft 10 of the circuit breaker operating mechanism to rotate to a designated position, and the second working surface 23 presses the end surfaces 91 and 92 of the sliding block 9.
Referring to fig. 3 and 7, a guide groove 14 is formed in the casing 1, the sliding block 9 can only slide left and right in the upper guide groove 14 of the casing 1, a boss structure 93 is also formed on the sliding block 9, one end of the sliding block pressure spring 8 is sleeved on the boss structure 93 of the sliding block 9, the other end of the sliding block pressure spring is overlapped with the casing 1 to complete reliable positioning, when the second working surface 23 presses the end face 92 (see fig. 11, 12 and 13) of the sliding block 9, the sliding block pressure spring 8 generates reverse thrust to the left, and after the sliding block 9 slides to the maximum stroke, the sliding block pressure spring 8 moves reversely to push the trip plate 2 to rapidly trip and limit the trip plate 2 at the trip position.
Referring to fig. 3 and 6, the lock plate 4 is provided with a lap joint surface 41 and a driving surface 44, which lap joint with the first pushing surface 32 and can rotate around a rotating shaft 42 arranged on the shell 1, two sides of the rotating shaft 42 are provided with support columns 43, and the support columns 43 are in contact with the shell 1, so that the lock plate 4 is effectively prevented from tilting in the rotating process. The driving surface 44 is overlapped with the first pushing surface 32 on the pushing plate 3, so as to drive the locking plate 4 to rotate. The motion of the first pushing surface 32 pushes the driving surface 44 to drive the lock plate 4 to rotate, the amount of the hasp (lap joint) of the lap joint surface 41 is reduced while the lock plate 4 rotates, the lock plate torsion spring 5 body is sleeved on the rotating shaft 42 of the lock plate 4, one end of the lock plate torsion spring 5 body is lapped on the supporting column 43, the other end of the lock plate torsion spring is lapped on the shell 1, reliable positioning is completed, and reset elastic force (torsion force) is provided for the lock plate 4.
Referring to fig. 1, 3 and 8, a guiding boss 15 for fixing an energy storage assisting pressure spring of an indication rod is further arranged on the shell 1, a boss 61 is also arranged on the indication rod 6, one end of the energy storage assisting pressure spring 7 of the indication rod is sleeved on the guiding boss 15 of the shell 1, and the other end of the energy storage assisting pressure spring of the indication rod is sleeved on the boss 61 of the indication rod 6, so that reliable positioning is completed. The indicating rod pressure spring 7 of the indicating rod 6 is of an energy storage type structure, energy is stored before tripping and alarming, the elastic force of the indicating rod energy storage assisting pressure spring 7 is released during tripping, the indicating rod 6 is driven to rapidly form indication, and no extra resistance is generated to an execution unit. While the lock plate 4 rotates, the overlap surface 41 of the lock plate 4 and the hasp surface 63 of the indication rod 6 are reduced, when the overlap surface is reduced to zero (the indication rod 6 is not hooked any more), the indication rod 6 can spring to the second position under the action of the indication rod energy storage assisting pressure spring 7, and at the moment, the indication boss 62 is lifted to the position outside the shell 1 so as to play a trip indication function.
Fig. 10 is a schematic diagram of the position and structural state of a part before a tripping alarm mechanism of an actuating mechanism of the invention does not receive a tripping instruction.
The tripping alarm mechanism of the actuating mechanism of the invention has the working procedures that:
In the process that the tripping alarm mechanism of the actuating mechanism changes from an un-tripped state to a tripping alarm state, the tripping function is that the tripping plate 2 drives the brake separating half shaft 10 of the circuit breaker operating mechanism to rotate to a designated position, the alarm function is that the indicating rod 6 is in a state of being popped up from not being popped up, because the indicating rod 6 is red, a user can clearly see after the boss 62 is popped up, and the working logic of the tripping alarm mechanism is as follows: when the tripping alarm unit receives a tripping instruction, an executing unit in the executing mechanism can strike a surface 34 of a push plate 3 to push the push plate 3 to rotate clockwise in the shell 1, a second push surface 33 on the push plate 3 can overlap with the upper surface 23 of the tripping plate 2 while the push plate 3 rotates to push the tripping plate 2 to rotate, and the tripping plate 2 rotates and drives a brake separating half shaft 10 of the breaker operating mechanism to rotate, so that the function of driving the operating mechanism of the breaker to separate brake is achieved, meanwhile, the tripping plate 2 can be linked with the sliding block 9, a first working surface 24 on the tripping plate 2 can overlap with a surface 92 on the sliding block 9 firstly, at the moment, the tripping plate 2 needs to push the sliding block 9 to compress a sliding block pressure spring 8 to move, and the sliding block pressure spring 8 is compressed to generate resistance to the tripping process of the tripping plate 2 (see fig. 11 and 12); when the trip plate 2 and the sliding block 9 move to a certain position (see fig. 11 and 13 in the dead point structure), the first working surface 24 on the trip plate 2 is separated from the end surface 92 on the sliding block 9 and is in lap joint with the surface 91, at this time, the sliding block pressure spring 8 can be changed into an ejecting state from a compressed state, the sliding block 9 is pushed to generate thrust force on the trip plate 2, the force assisting step of tripping the trip plate 2 is accelerated, after tripping, the first working surface 24 on the trip plate 2 can always be in contact with the surface 91 on the sliding block, the trip plate is kept at a tripped position under the action of the sliding block pressure spring 8, the push plate 3 can be in lap joint with the first lap joint surface 44 on the locking plate 4 while pushing the trip plate 2 to rotate, the lap joint surface 41 on the locking plate 4 and the lap joint surface 63 on the indicating rod 6 can be slowly reduced until the snap joint surface is 0 while pushing the locking plate 4 rotates anticlockwise, the indicating rod 6 can store energy under the action of the indicating rod to store energy, and the power assisting step up boss 62 is lifted under the action of the indicating rod, and the indicating function of the trip is indicated by the pressure spring.
Therefore, the tripping alarm mechanism of the actuating mechanism provided by the invention has a simple and compact structure, is an independent module, greatly reduces the part cost and the processing cost, does not need to be pushed by an actuating unit in the tripping alarm process of the actuating mechanism, can automatically pop up and instruct tripping under the action of the energy storage assisting pressure spring 7 of the actuating lever, thus reducing the force value requirement of the actuating unit, prolonging the whole service life of the actuating mechanism, and particularly, the tripping plate 2 for driving the tripping of the actuating mechanism is matched with the sliding block 9 to have a dead point structure in the moving process, and the actuating element is required to push the actuating element before the dead point structure, and after pushing the dead point structure, the sliding block can reversely provide a tripping force value for the tripping plate, and further reducing the force value requirement of the actuating element on the other hand. Therefore, when the actuating element integrally drives the actuating mechanism to trip the tripping alarm mechanism, the resistance overcome is far smaller than that of the existing scheme, so that the actuating element is far better than that of the existing scheme in terms of service life and processing and manufacturing cost, and the maintainability and manufacturability of the independent module structure are higher.
The structures, proportions, sizes, etc. shown in the drawings of the embodiments of the present invention are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustment should not be construed as essential to the invention, but should still fall within the scope of the disclosure without affecting the efficacy and achievement of the invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (6)
1. The utility model provides a tripping alarm mechanism of actuating mechanism which characterized in that, it includes:
A housing (1);
The push plate (3) is connected with the tripping actuating element in the tripping process and can rotate around a rotating shaft (11) arranged on the shell (1), the push plate (3) is provided with a first push surface (32) and a second push surface (33), and the push plate (3) rotates after receiving a tripping instruction from the tripping actuating element so as to drive the first push surface (32) and the second push surface (33) to move;
The lock plate (4) is lapped with the first pushing surface (32), the lock plate (4) can rotate around a rotating shaft (42) arranged on the shell body 1, support columns (43) are arranged on two sides of the rotating shaft (42), the support columns (43) are in contact with the shell body 1, the lock plate (4) is effectively prevented from tilting in the rotating process, a driving surface (44) lapped with the first pushing surface (32) on the push plate (3) is further arranged on the lock plate (4), the first pushing surface (32) is lapped with the driving surface (44) so as to drive the lock plate (4) to rotate, a lapping surface (41) is arranged on the lock plate (4), the driving surface (44) is pushed by the movement of the first pushing surface (32) so as to drive the lock plate (4) to rotate, and the lapping amount of the lapping surface (41) is reduced while the lock plate (4) rotates.
An indication rod (6) linked with the overlap surface (41), wherein the indication rod is provided with a buckling surface (63) matched with the overlap surface (41), when the lock plate (4) rotates, the buckling surface formed by the overlap surface (41) and the buckling surface (63) is slowly reduced until zero, and the indication end of the indication rod (6) moves from a first position to a second position; and
The tripping plate (2) is lapped with the second pushing surface (33), the tripping plate (2) can rotate around a rotating shaft (13) arranged on the shell (1), the tripping plate (2) is provided with a first working surface (24), and the first working surface (24) drives a brake separating half shaft (10) of the circuit breaker operating mechanism to rotate to a designated position while the tripping plate (2) rotates.
2. The tripping alarm mechanism of an actuating mechanism according to claim 1, wherein the indicating rod (6) is provided with an indicating rod energy storage assisting pressure spring (7), the overlap joint of the overlap joint surface (41) of the locking plate (4) and the lock catch surface of the indicating rod (6) is reduced when the locking plate (4) rotates, and when the overlap joint is reduced to zero, the indicating rod (6) can pop up to the second position under the action of the indicating rod energy storage assisting pressure spring (7) so as to play the function of tripping indication.
3. The tripping alarm mechanism of an actuating mechanism according to claim 2, characterized in that a chute (16) is arranged on the housing (1), the indicating rod (6) can only slide in the chute (16), an indicating rod energy storage power-assisted pressure spring guide boss (15) is also arranged on the housing (1), a boss (61) is also arranged on the indicating rod (6), one end of the indicating rod energy storage power-assisted pressure spring (7) is sleeved on the guide boss (15) of the housing (1), the other end of the indicating rod energy storage power-assisted pressure spring is sleeved on the boss (61) of the indicating rod, reliable positioning is completed, the indicating rod energy storage power-assisted pressure spring (7) is of an energy storage structure before tripping alarm, and the indicating rod energy storage power-assisted pressure spring (7) releases elasticity during tripping to drive the indicating rod (6) to rapidly form indication without generating additional resistance to an actuating element.
4. The trip alarm mechanism of an actuator according to claim 1, further comprising a slider (9), and said trip plate (2) is further provided with a second working surface (23), said second working surface (23) pressing an end surface (91, 92) of said slider (9) to generate a thrust force against said second working surface (23).
5. The trip alarm mechanism of an actuating mechanism according to claim 4, wherein a guiding groove (14) is provided on the housing (1), the sliding block (9) can only slide in the guiding groove (14) of the housing (1), a boss structure (93) is also provided on the sliding block (9), one end of a sliding block pressure spring (8) is sleeved on the boss structure (93) of the sliding block (9), the other end of the sliding block pressure spring is lapped with the housing (1), reliable positioning is completed, the second working surface (23) presses the end surfaces (91, 92) of the sliding block (9), the sliding block pressure spring (8) generates the reverse thrust, and after the sliding block (9) slides to the maximum stroke, the sliding block pressure spring (8) moves reversely, so as to push the trip plate (2) to trip rapidly and limit the trip plate (2) to the trip position.
6. The tripping alarm mechanism of an actuating mechanism according to claim 1, wherein a support column (43) is arranged on the lock plate (4), the lock plate torsion spring (5) is sleeved on the rotating shaft (42) of the lock plate (4), one end of the lock plate torsion spring (5) is lapped on the support column (43) of the lock plate (4), the other end is lapped on the shell (1), and reliable positioning is completed, so that a restoring force is provided for the lock plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205602.6A CN113496852B (en) | 2020-03-20 | Tripping alarm mechanism of actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205602.6A CN113496852B (en) | 2020-03-20 | Tripping alarm mechanism of actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113496852A CN113496852A (en) | 2021-10-12 |
| CN113496852B true CN113496852B (en) | 2024-07-16 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211719537U (en) * | 2020-03-20 | 2020-10-20 | 上海良信电器股份有限公司 | Tripping alarm mechanism of actuating mechanism |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211719537U (en) * | 2020-03-20 | 2020-10-20 | 上海良信电器股份有限公司 | Tripping alarm mechanism of actuating mechanism |
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