CN209328821U - A kind of circuit breaker operation mechanism - Google Patents
A kind of circuit breaker operation mechanism Download PDFInfo
- Publication number
- CN209328821U CN209328821U CN201920346848.8U CN201920346848U CN209328821U CN 209328821 U CN209328821 U CN 209328821U CN 201920346848 U CN201920346848 U CN 201920346848U CN 209328821 U CN209328821 U CN 209328821U
- Authority
- CN
- China
- Prior art keywords
- cam
- swing rod
- energy
- rotation
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of circuit breaker operation mechanism, including a pair of spaced side plate, the drive shaft being rotatably arranged between a pair of side plates, using the first axle of setting between the side plates as the energy storage lever of center of rotation and the energy-stored spring component being mounted between a pair of side plates and fixed cam on the driving shaft, energy-stored spring component pushes energy storage lever rotation when releasing energy, the rotation of energy storage lever rotation pusher moving cam, feature is: operating mechanism further includes a resistance device, resistance device includes a swing rod and an elastic component, elastic component provides barrier force for swing rod, swing rod is one using the second axis being arranged on side plate as the lever piece of center of rotation, swing rod includes stopping end, it is used for the cooperation that leans with cam, elastic component is driven to generate deformation when cam pushes swing rod to swing, absorb the overshoot energy of cam.It realizes the buffering to cam, ensures the mechanical life of energy storage lever and cam, structure is simple, compact.
Description
Technical field
The utility model belongs to breaker technical field, and in particular to a kind of circuit breaker operation mechanism.
Background technique
As is known in the industry, frame-type circuit breaker before operation, needs to be able to operating mechanism energy storage the touching in breaker
Head (dynamic and static contact) releases energy in closing a floodgate, and otherwise cannot achieve breaker closing movement.The energy storage of operating mechanism is usually by hand
Handle stored energy mechanism or motor-operating mechanism drive the main axis of stored energy mechanism to realize.It is continuous with breaker breaking capacity
It improves, required combined floodgate energy is also continuously improved, and how effectively to avoid the rotational angle of cam is more than preset value to prevent
The pernicious collision cam of energy storage component and cause damage of components, at for a long time perplex industry problem.
In the prior art, as Chinese utility model patent authorization Publication No. CN202373475U discloses a kind of " open circuit
Device operating mechanism ", it is provided with resistance device on the second axis of energy storage component, with the lateral profile pair of resistance device and cam
It should cooperate, after the lateral profile and roller of cam disengage, cam just collides the rotation for preventing cam with resistance device, from
And the rotational angle of cam is controlled, in case the rotational angle of cam is more than preset value.The scheme of the patent disclosure has preferably
Effect, but since its resistance device is corresponding with the lateral profile of cam again on the second axis of energy storage component to be set to matches
Close, this with regard to both considered critical cam and the second axis positional relationship, when the position of cam and the second axis does not meet above-mentioned want
When asking just can not apply above-mentioned patent formula, applicable situation is limited, namely limited for another angle energy storage component and
The further deformation design of cam structure.
In view of above-mentioned problem, the applicant has made actively effectively to explore, and forms finally and will be detailed below being situated between
The technical solution to continue.
Summary of the invention
The task of the utility model is to provide for a kind of circuit breaker operation mechanism, has and matches with the cam of operating mechanism
The resistance device of conjunction, the resistance device, which avoids, generates pernicious collision between energy storage lever and cam, and is mounted on operation
On mechanism side plate, structure is simple, compact, nor affects on the design of energy storage component and cam, is suitable for the breaker of different model
Operating mechanism.
What the task of the utility model was performed by, including a pair of spaced side plate, it is rotatably arranged at one
To between side plate drive shaft, first axle between the side plates is arranged as the energy storage lever of center of rotation and be mounted on a pair
Energy-stored spring component and fixed cam on the driving shaft, the energy-stored spring component between side plate are pushed away when releasing energy
The energy storage lever rotation is moved, pushes the cam to rotate after the energy storage lever rotation, the operating mechanism is also
Including a resistance device, the resistance device includes a swing rod and an elastic component, and elastic component provides blocking for the swing rod
Power, the swing rod are one using the second axis being arranged on side plate as the lever piece of center of rotation, and the swing rod includes stopping
It holds, is used for the cooperation that leans with cam, cam pushes and drives the elastic component generation deformation when swing rod swing, described in absorption
Cam overshoot energy.
In a specific embodiment of the utility model, the swing rod further include spring connecting pin, rotation hole and
Rotary spacing end, the spring connecting pin with one end of the elastic component for connecting, the other end of the elastic component
It is affiliated on corresponding side plate, the rotation hole covers on second axis, and the rotary spacing end is for limiting institute
The rotational angle for the swing rod stated；Described stops end to be an extension end of swing rod.
In a specific embodiment of the utility model, the elastic component is a tension spring.
In another specific embodiment of the utility model, the side plate is equipped with block axis, the blocking
Axis and the rotary spacing end are against cooperation.
In another specific embodiment of the utility model, fixing axle one is additionally provided on the side plate, it is described
Elastic component is affiliated in the fixing axle one.
In the utility model there are one in specific embodiment, the rotation hole is inserted on second axis,
Realize the rotation setting of the swing rod.
In a specific embodiment in turn of the utility model, the energy storage lever faces each other including a pair
The lever piece of setting is mounted on this to the fixing axle two for being used to fix the lever piece between lever piece, a pair of of thick stick
The outside of one swinging end of bar piece is equipped with cam abutment axis for cooperating with a pair of cams, a pair of of lever piece it is another
Swinging end is equipped with the fitted shaft for cooperating with energy-stored spring component.
In the utility model more and in a specific embodiment, limiting slot is additionally provided on the side plate, it is described
The fitted shaft of a pair of of lever piece and the limiting slot cooperate, and limit the slewing area of the energy storage lever.
In the utility model again and then in a specific embodiment, the cam includes big cam and small cam,
The big cam and small cam are nested in the drive shaft, and the big cam is located at the outer of the energy storage lever
Side, and the small cam is located at the outside of the big cam, the resistance device stop the small of end and cam
Cam leans cooperation.
The utility model one of has the advantage that due to the above structure, uses in the technical program and operation
The resistance device that the cam of mechanism matches, the resistance device realize the buffering to cam, prevent excessively turning for cam
It is dynamic, meet the needs of actual working state, avoids and generate pernicious collision between energy storage lever and cam and use protection energy storage
Mechanical life of lever and cam and raising for breaker breaking capacity provides reliable technical guarantee；Advantage two, institute
The resistance device stated is mounted on operating mechanism side plate, and structure is simple, compact, nor affects on the design of energy storage lever and cam,
It is suitable for the circuit breaker operation mechanism of different model.
Detailed description of the invention
The part-structure perspective view of the explosion of Fig. 1 circuit breaker operation mechanism described in the utility model.
The structural schematic diagram of the resistance device of Fig. 2 circuit breaker operation mechanism described in the utility model.
A kind of status diagram of the resistance device of Fig. 3 circuit breaker operation mechanism described in the utility model.
Another status diagram of the resistance device of Fig. 4 circuit breaker operation mechanism described in the utility model.
In figure: 1. drive shafts；2. cam, 21. big cams, 22. small cams, 221. outer edge surfaces；3. energy storage lever, 31. thick sticks
Bar piece, 32. cam abutment axis, 33. first axles, 34. fitted shafts, 35. fixing axles two；4. resistance device, 41. swing rods, 411. bullets
Spring connecting pin, 412. rotary spacing ends, 413. rotation holes, 414. stop end, 42. elastic components；5. side plate, 51. limiting slots, 52.
Block axis, 53. fixing axles one, 54. second axis；6. energy-stored spring component.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawing, but is not pair to the description of embodiment
The limitation of technical solution, any change in the form rather than substance according to the utility model design all should be considered as the utility model
Protection scope.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model relates to a kind of circuit breaker operation mechanism, the operation machine
Structure provides energy required for closing componental movement usually as the energy members of breaker for breaker.The operating mechanism packet
Face each other setting or spaced a pair of side plates 5 are included, operating mechanism other are equipped between the pair of side plate 5
Component, and fixed and positioned benchmark of described a pair of side plates 5 as other component.Specifically, operating mechanism further includes turning
Drive shaft 1 between a pair of side plates 5 is set dynamicly, the energy storage lever 3 being rotatably arranged between a pair of side plates 5, is mounted on
Energy-stored spring component 6 between a pair of side plates 5 and it is separately fixed at a pair of cam 2 being intervally installed in drive shaft 1.Specifically
, the cam 2 is located at the outside of energy storage lever 3.Limiting slot 51, block axis are correspondingly arranged in described a pair of side plates 5
52, fixing axle 1, the second axis 54.The cam 2 and the drive shaft 1, which are realized, to be rotated synchronously.The energy-stored spring
Component 6, when its release, provides the energy of movement for storing energy for operating mechanism.The energy-stored spring component 6 discharges
When energy, the energy storage lever 3 is pushed to rotate, the energy storage lever 3 will push the cam 2 and rotate after rotating,
That is the cam 2 is the valve member of energy storage lever 3.I.e. the energy storage lever 3 is in the energy-stored spring component 6
Promotion under rotate, the cam 2 can also rotate, and not so the cam 2 can stop the energy storage lever 3 to be sent out
Raw rotation.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the energy storage lever 3 includes the lever piece 31 of a pair of setting that faces each other, peace
It is used to fix the fixing axle 2 35 to lever piece 31 between lever piece 31 mounted in this.The fixing axle 2 35 is preferably
More, provide good fixed effect.The outside of one swinging end of a pair of of lever piece 31 is equipped with for described one
The cam abutment axis 32 that cam 2 is cooperated.It is additionally provided with a first axle 33 in the center position to lever piece 31, it is described
First axle 33 is mounted between described a pair of side plates 5, real after described 31 sets of a pair of of lever piece in the first axle 33
The rotation setting of the existing energy storage lever 3.Another swinging end of a pair of of lever piece 31 is equipped with and is used for and limiting slot
51 and the fitted shaft 34 that cooperates of energy-stored spring component 6, the energy-stored spring component 6 is by pushing the fitted shaft 34 come band
The energy storage lever 3 is moved to swing.Meanwhile the both ends of the fitted shaft 34 are protruded into the limiting slot 51 and in limiting slot
It is moved in 51, to define the slewing area of the energy storage lever 3.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the cam 2 includes big cam 21 and small cam 22,21 He of big cam
Small cam 22 is nested in the drive shaft 1 and rotates synchronously with the drive shaft 1, and the big cam 21 is located at
The outside of the energy storage lever 3, and the small cam 22 is located at the outside of the big cam 21.The big cam 21
In drops, for being matched with the energy storage lever 3, specifically, the outer edge surface of the big cam 21 with it is described convex
Wheel is against axis 32 against cooperation.After the energy storage lever 3 rotates, the energy storage lever 3 can push the big cam
21 roll.Since big cam 21 and small cam 22 cover in the drive shaft 1, it is equipped with fixed axis connection between the two, because
This, the two is to rotate synchronously.
The operating mechanism further includes resistance device 4 referring to FIG. 1 to FIG. 4,.The resistance device 4 includes a pendulum
Bar 41 and an elastic component 42, the swing rod 41 are a rotatable lever piece, and the swing rod 41 includes spring connecting pin
411, rotary spacing end 412, rotation hole 413 and blocking end 414.The rotation hole 413 is that the swing rod 41 provides rotation
Center realize swing rod 41 with described specifically, being inserted in the rotation hole 413 on the second axis 54 on side plate 5
Second axis 54 is the rotation of center of rotation.The spring connecting pin 411 with one end of the elastic component 42 for connecting, institute
The other end for the elastic component 42 stated is affiliated in the fixing axle 1 on corresponding side plate 5, to provide for corresponding swing rod 41
The barrier force in one direction.Elastic component 42 described in the present embodiment is a tension spring, i.e., as the side shown in Fig. 3 of swing rod 41
To when rotating counterclockwise, the elastic component 42 is stretched, and provides a clockwise barrier force.The blocking end
414 be an extension end of swing rod 41, matches with the small cam 22 of cam 2, realizes the cooperation of resistance device 4 Yu cam 2,
Cam 2 pushes swing rod 41 to generate deformation by the elastic component 42 when swinging, to absorb the overshoot energy of the cam 2.Institute
The swing rod 41 stated and the block axis 52 are against cooperation, specifically, the resistance on the rotary spacing end 412 and the side plate
Gear shaft 52 limits the rotational angle that the swing rod 41 replys rotation, prevents 41 inordinate rotation of swing rod against cooperation.Such as Fig. 3 institute
Show, when the elastic component 42 pulls swing rod 41 to rotate in a clockwise direction, the block axis 52 abuts against the rotation
Positive stop end 412 prevents swing rod 41 from turning to the angle that can not be again introduced into working condition.
Continuing with Fig. 1 to Fig. 4 is read, the course of work of circuit breaker operation mechanism described in the utility model is: described
When energy-stored spring component 6 releases energy, the energy storage lever 3 is pushed to rotate, the energy storage lever 3 will push institute after rotating
The cam 2 stated rotates.The big cam 21 of the cam 2 rotates under the promotion of energy storage lever 3, the small cam 22
It is rotated synchronously with big cam 21, specifically, in the rotation process of small cam 22,221 meeting of outer edge surface of the small cam 22
The contact swing rod 41 stops end 414 and the blocking end 414 is pushed to rotate, and the blocking end 414 is by described
Small cam 22 pushing during overcome the barrier force of the elastic component 42, the elastic component 42 absorbs overshoot energy, prevents
Only the cam 2 rotates excessively, meets the needs of its actual working state.
Another embodiment is in the utility model, and the elastic component 42 is pressure spring or leaf spring, and one end is resisted against described
Swing rod 41 on, the other end is on the non-athletic part on operating mechanism, such as on side plate 5, and spring part 42 is using being compressed at this time
Mode absorb overshoot energy.During i.e. the small cam 22 pushes the swing of swing rod 41, by the pendulum
Bar 41 drives the pressure spring or leaf spring compression.
Prevent the cam 2 from overshooting by using the resistance device 4 in the utility model, and the resistance
Device 4 is mounted on the inside of side plate 5, compact-sized, nor affects on the design of energy storage lever and cam, is suitable for different model
Circuit breaker operation mechanism.
Claims (9)
1. a kind of circuit breaker operation mechanism, including a pair of spaced side plate (5), be rotatably arranged at a pair of side plates (5) it
Between drive shaft (1), the energy storage lever (3) and installation that first axle (33) between side plate (5) is center of rotation is arranged
Energy-stored spring component (6) between a pair of side plates (5) and the cam (2) being fixed on drive shaft (1), the energy-stored spring
Component (6) pushes energy storage lever (3) rotation when releasing energy, after energy storage lever (3) rotation described in promotion
Cam (2) rotation, it is characterised in that: the operating mechanism further includes a resistance device (4), the resistance device (4)
Including a swing rod (41) and an elastic component (42), elastic component (42) is that the swing rod (41) provides barrier force, the swing rod
It (41) is one so that the lever piece that the second axis (54) on side plate (5) be center of rotation is arranged, the swing rod (41) includes hindering
It keeps off end (414), is used for the cooperation that leans with cam (2), the elastic component is driven when cam (2) pushes swing rod (41) to swing
(42) deformation is generated, the overshoot energy of the cam (2) is absorbed.
2. a kind of circuit breaker operation mechanism according to claim 1, it is characterised in that: the swing rod (41) further includes bullet
Spring connecting pin (411), rotation hole (413) and rotary spacing end (412), the spring connecting pin (411) be used for it is described
One end of elastic component (42) connects, and the other end of the elastic component (42) is affiliated on corresponding side plate (5), the rotation
Hole (413) covers on second axis (54), and the rotary spacing end (412) is used to limit turning for the swing rod (41)
Dynamic angle；The blocking end (414) is an extension end of swing rod (41).
3. a kind of circuit breaker operation mechanism according to claim 2, it is characterised in that the elastic component (42) is a drawing
Spring.
4. a kind of circuit breaker operation mechanism according to claim 2, it is characterised in that the side plate (5), which is equipped with, to be stopped
Axis (52), the block axis (52) and the rotary spacing end (412) are against cooperation.
5. a kind of circuit breaker operation mechanism according to claim 2, it is characterised in that be additionally provided on the side plate (5) solid
Dead axle one (53), the elastic component (42) are affiliated in the fixing axle one (53).
6. a kind of circuit breaker operation mechanism according to claim 2, it is characterised in that the rotation hole (413) is inserted in institute
On the second axis (54) stated, the rotation setting of the swing rod (41) is realized.
7. a kind of circuit breaker operation mechanism according to claim 1, it is characterised in that the energy storage lever (3) includes one
To the lever piece (31) of the setting that faces each other, be mounted on this between lever piece (31) for fixing the lever piece (31)
Fixing axle two (35), the outside of a swinging end of a pair of of lever piece (31) is equipped with for cooperating with a pair of cams (2)
Cam abutment axis (32), another swinging end of a pair of of lever piece (31) be equipped with for energy-stored spring component (6)
The fitted shaft (34) of cooperation.
8. a kind of circuit breaker operation mechanism according to claim 7, it is characterised in that be additionally provided with limit on the side plate (5)
Position slot (51), the fitted shaft (34) of a pair of of lever piece (31) and the limiting slot (51) cooperate, and limit the storage
The slewing area of energy lever (3).
9. a kind of circuit breaker operation mechanism according to claim 1, it is characterised in that the cam (2) includes big cam
(21) and small cam (22), the big cam (21) and small cam (22) are nested in the drive shaft (1), described
Big cam (21) is located at the outside of the energy storage lever (3), and the small cam (22) is located at the big cam (21)
Outside, the blocking end (414) of the resistance device (4) and the small cam (22) of cam (2) lean cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346848.8U CN209328821U (en) | 2019-03-19 | 2019-03-19 | A kind of circuit breaker operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346848.8U CN209328821U (en) | 2019-03-19 | 2019-03-19 | A kind of circuit breaker operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328821U true CN209328821U (en) | 2019-08-30 |
Family
ID=67732926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920346848.8U Active CN209328821U (en) | 2019-03-19 | 2019-03-19 | A kind of circuit breaker operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062207A1 (en) * | 2020-09-28 | 2022-03-31 | 常熟开关制造有限公司(原常熟开关厂） | Actuation mechanism for circuit breaker |
-
2019
- 2019-03-19 CN CN201920346848.8U patent/CN209328821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062207A1 (en) * | 2020-09-28 | 2022-03-31 | 常熟开关制造有限公司(原常熟开关厂） | Actuation mechanism for circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102959166B (en) | Shock resistant lock | |
| US7449652B2 (en) | Catchment mechanism to prevent camshaft over-rotation during closure in a direct-drive stored energy mechanism | |
| CN209328821U (en) | A kind of circuit breaker operation mechanism | |
| CA3050467A1 (en) | Pneumatic tool | |
| CN109616385A (en) | Miniature circuit breaker operating mechanism | |
| CN108288552A (en) | Conversion equipment and automatic transfer switching electric appliance | |
| CN103165300A (en) | Pole operating device in a medium-voltage electric control apparatus | |
| WO2020038430A1 (en) | Connector locking wire operation mechanism capable of buffering impact of push rod | |
| CN112977530B (en) | Initiative corner drive arrangement and rotation coupling | |
| CN111916304A (en) | Circuit breaker operating mechanism | |
| CN202434361U (en) | Energy storage device of spring operation mechanism | |
| CN209266338U (en) | Miniature circuit breaker operating mechanism | |
| WO2015165246A1 (en) | Automatic locking mechanism | |
| CN212351876U (en) | Driving mechanism for fastener driving machine | |
| WO2023221286A1 (en) | Wafer cassette | |
| CN107749383B (en) | A kind of circuit breaker operation mechanism | |
| US20240125145A1 (en) | Universal electronic latch retraction mechanism | |
| CN207542163U (en) | A kind of circuit breaker operation mechanism | |
| CN111331557A (en) | Driving mechanism for fastener driving machine | |
| CN209396534U (en) | Stopper and conveying production line | |
| WO2022062207A1 (en) | Actuation mechanism for circuit breaker | |
| CN212230338U (en) | Circuit breaker operating mechanism | |
| US4761524A (en) | Switch operating mechanism | |
| CN207474399U (en) | A kind of push and pull system of circuit breaker operation mechanism | |
| CN204067281U (en) | A kind of miniature circuit breaker with contact fast closing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |