CN207731884U - The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing - Google Patents
The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing Download PDFInfo
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- CN207731884U CN207731884U CN201721806266.0U CN201721806266U CN207731884U CN 207731884 U CN207731884 U CN 207731884U CN 201721806266 U CN201721806266 U CN 201721806266U CN 207731884 U CN207731884 U CN 207731884U
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Abstract
The utility model is related to a kind of breaker of plastic casing motor-operating mechanism the arm-type stored energy mechanism of crutches, when needing breaker open operation, arm group of turning left and arm group is turned right together towards right rotation, operation handle to stir breaker turns to open position, meanwhile arm group of turning left tightens energy storage torsional spring and latching device locks arm group of turning right；To complete the sub-switching operation of breaker and energy storage torsional spring is made to keep energy storage state.When needing rapid closing, latching device unclamps arm group of turning right, and the drive of energy storage torsional spring turns left arm group and arm group of turning right together towards left-handed then drive operation handle steering closing position, to complete rapid closing operation.Since the utility model uses the stored energy mechanism of crutches arm form, turn left arm group and turn right arm group rotation process in, stable transmission, driving parts uniform force, movement is reliable, not easy to wear.
Description
Technical field
The utility model is related to a kind of arm-type stored energy mechanisms of crutches of motor-operating mechanism of breaker of plastic casing, belong to low pressure
Electric accessories technical field.
Background technology
Common electric machine drives the combined floodgate for the non-energy storage electric pneumatic operating mechanism for directly to operate breaker of plastic casing or divides at present
The time of lock probably 1 second or so, the time it is longer, cannot be satisfied some and require breaker of plastic casing quick after being connected to reclosing command
The occasion of combined floodgate, it is therefore desirable to come auxiliary switching-in or separating brake using energy storage electrically operated device, its time is made to shorten to 100 milliseconds
Within.
Control mechanism, that is, motor-operating mechanism is that one is one kind for far distance automatic separating brake and combined floodgate breaker is attached
Part, control mechanism are connected with breaker, and the remote electric separating brake and combined floodgate of breaker may be implemented；Control mechanism has motor
Two kinds of control mechanism and magnet control mechanism；And motor-operating mechanism is the core component of breaker, operating mechanism it is reliable
Property directly decides the reliability of breaker；The energy pre-storage operating mechanism of breaker is the important composition portion of circuit breaker operation mechanism
Point, energy pre-storage operating mechanism is mainly the energy to provide enough when breaker closing.
Energy pre-storage operating mechanism volume is big, complicated mostly at present, the case where being susceptible to abrasion and unbalance stress, moves
Make unstable, reaction speed is slow and is not easy to assembly repair, of high cost.
Utility model content
In view of the foregoing deficiencies of prior art, the technical problem to be solved by the present invention is to provide a kind of plastic housings
The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker can realize separating brake energy storage and the rapid closing behaviour of breaker
Make, simple in structure, motion stability, uniform force.
To achieve the above object, the utility model provides a kind of arm-type storage of crutches of the motor-operating mechanism of breaker of plastic casing
Can mechanism, including be arranged in parallel and turning left for equal length and is turned right arm group at arm group, the lower end for arm group of turning left and arm group of turning right
Lower end is connected by the connecting rod that left and right extends；The upper end for arm group of turning left is hinged in left connecting shaft, and the upper end for arm group of turning right is hinged
In right connecting shaft；The breaker has the operation handle being sequentially connected with contact apparatus, the upper end card of the operation handle
Between the lower end for arm group of turning left and the lower end for arm group of turning right；It is socketed with energy storage torsional spring in the left connecting shaft, arm group of turning right
Right side is equipped with latching device；Transfer drive operation handle towards dextrorotation together with arm group of turning left when arm group of turning right and turn to open position,
Arm group that energy storage torsional spring tightens and latching device latching is turned right；When arm group is turned right in latching device release, the drive of energy storage torsional spring is turned left
Arm group and arm group of turning right move operation handle towards left-handed then fast speed belt together and turn to closing position.
Preferably, the arm group of turning left includes being mutually parallel and connecting lever after connecting lever and first before the first of equal length, and
The upper end of connecting lever is hinged in left connecting shaft behind the upper end of connecting lever and first before one；Connecting lever behind the lower end of connecting lever and first before first
Lower end linked together by the first oscillating rod of front and back extension；The arm group of turning right includes being mutually parallel and equal length
Connecting lever after connecting lever and second before second, the upper end of connecting lever is hinged in right connecting shaft behind the upper end and second of connecting lever before second；The
The lower end of connecting lever is linked together by the second oscillating rod of front and back extension behind the lower end of connecting lever and second before two；The manipulator
The upper end of handle is stuck between the first oscillating rod and the second oscillating rod.
It is further preferable that the top of the arm group of turning left is equipped with top plate, an exit of energy storage torsional spring extends to the right simultaneously
It is pushed down by top plate；Before described first after connecting lever and first between connecting lever be equipped with front and back extension backing pin, energy storage torsional spring another
Exit extends downwardly and is stuck in the right side of backing pin.
Preferably, there are two energy storage torsional springs for socket in the left connecting shaft, and an energy storage torsion spring set is before left connecting shaft
Half part, latter half of another energy storage torsion spring set in left connecting shaft.
Preferably, it is connected with bayonet lock on the right side of the arm group of turning right；The latching device includes being located on the right side of arm group of turning right
Fixture block and first rotating shaft, the lower end of fixture block there is the bayonet being caught in for bayonet lock, the upper end of fixture block has a claw, in first rotating shaft
Equipped with card slot, the first reduction torsion spring is socketed in first rotating shaft；When crank arm mechanism is towards when right rotation, the bayonet lock is caught in the card
Mouthful and push the lower end of fixture block towards right rotation, the claw is simultaneously towards left-handed then into card slot and first rotating shaft is pushed to rotate；
When the claw is rotated to the left side of first rotating shaft, the first reduction torsion spring torsion first rotating shaft resets and blocks claw；The
Dropout connecting lever is also associated in one shaft, the dropout connecting lever can be rotated that claw is made to pass through card slot simultaneously by solenoid actuated
To right rotation.
It is further preferable that the fixture block is connected in the second shaft, the second reduction torsion spring, fixture block are socketed in the second shaft
Upper end be additionally provided with a position-limited claw, the second reduction torsion spring tightens the second shaft and the left side that makes position-limited claw be against first rotating shaft.
It is further preferable that there is left clamping portion and right clamping portion, the length of left clamping portion to be less than the right side for the lower end of the fixture block
The length of clamping portion forms the bayonet between left clamping portion and right clamping portion；When arm group of turning right is towards when right rotation, the bayonet lock
It is against on the right clamping portion and pushes the lower end of fixture block towards right rotation to make bayonet lock be caught in the bayonet.
Preferably, the arm group of turning right is sequentially connected with driving device.
As described above, the utility model is related to a kind of breaker of plastic casing motor-operating mechanism the arm-type energy storage machine of crutches
Structure has the advantages that：When needing breaker open operation, arm group of turning left and arm group of turning right are together towards right rotation, to dial
The operation handle of dynamic breaker turns to open position, meanwhile, arm group of turning left tightens energy storage torsional spring and latching device locks arm of turning right
Group；To complete the sub-switching operation of breaker and energy storage torsional spring is made to keep energy storage state.When needing rapid closing, latching device pine
Arm group of turning right is opened, energy storage torsional spring drives arm group of turning left to move operation handle towards left-handed then fast speed belt together with arm group of turning right and turns to conjunction
Gate position, to complete rapid closing operation.Due to present invention employs the stored energy mechanism of crutches arm form, turn left arm group and
It turns right in the rotation process of arm group, stable transmission, driving parts uniform force, movement is reliable, not easy to wear.It can be seen that this
A kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of utility model, can realize the separating brake of breaker
Energy storage and rapid closing operation, simple in structure, motion stability, uniform force.
Description of the drawings
Fig. 1 is shown as a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of the utility model
Stereoscopic schematic diagram；
Fig. 2 is shown as a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of the utility model
Sectional view；
Component label instructions
1 top plate, 16 position-limited claw
2 energy storage torsional springs 17 are turned left arm group
3 tripping mechanisms 18 are turned right arm group
4 fixture block, 19 bayonet lock
5 left clamping portion, 20 connecting rod
6 right clamping portion, 21 left connecting shaft
7 bayonet, 22 right connecting shaft
Connecting lever before 8 claws 23 first
Connecting lever after 9 first rotating shafts 24 first
10 card slot, 25 first oscillating rod
Connecting lever before 11 first reduction torsion springs 26 second
Connecting lever after 12 dropout connecting levers 27 second
13 electromagnet, 28 second oscillating rod
14 second shaft, 29 operation handle
15 second reduction torsion spring, 30 backing pin
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification to be taken off
The content shown is not limited to the enforceable restriction item of the utility model so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as "upper", "lower", "left", "right", the use of " centre " in this specification
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of arm-type storage of crutches of the motor-operating mechanism of breaker of plastic casing
Can mechanism, including be arranged in parallel and turning left for equal length and is turned right arm group 18 at arm group 17, the lower end for arm group 17 of turning left and turn right
The lower end of arm group 18 is connected by the connecting rod 20 that left and right extends；The upper end for arm group 17 of turning left is hinged in left connecting shaft 21, is turned right
The upper end of arm group 18 is hinged in right connecting shaft 22；The breaker has the operation handle 29 being sequentially connected with contact apparatus,
The upper end of the operation handle 29 is stuck between the lower end for arm group 17 of turning left and the lower end for arm group 18 of turning right；The left connecting shaft 21
On be socketed with energy storage torsional spring 2, the right side of arm group 18 of turning right is equipped with latching device 3；When turn right arm group 18 with turn left arm group 17 together
Towards dextrorotation then operation handle 29 is driven to turn to open position, arm group 18 that energy storage torsional spring 2 tightens and the latching of latching device 3 is turned right；
When arm group 18 is turned right in the release of latching device 3, energy storage torsional spring 2 drives turn left arm group 17 and arm group 18 of turning right to transfer together towards left-handed
Quickly operation handle 29 is driven to turn to closing position.Referring to FIG. 2, when needing breaker open operation, arm group 17 of turning left and turn right
For arm group 18 together towards right rotation, the operation handle 29 to stir breaker turns to open position, meanwhile, arm group 17 of turning left tightens
The energy storage torsional spring 2 and latching of latching device 3 is turned right arm group 18；To complete the sub-switching operation of breaker and energy storage torsional spring 2 is made to keep
Energy storage state.Referring to FIG. 2, when needing rapid closing, latching device 3 unclamps arm group 18 of turning right, and energy storage torsional spring 2 drives arm of turning left
Group 17 and arm group 18 of turning right are together towards the left-handed then drive steering closing position of operation handle 29, to complete rapid closing behaviour
Make.Since present invention employs the stored energy mechanisms of crutches arm form, in the rotation process of arm group 17 and arm group 18 of turning right of turning left
In, stable transmission, driving parts uniform force, movement is reliable, not easy to wear.It can be seen that a kind of plastic housing of the utility model
The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker can realize separating brake energy storage and the rapid closing behaviour of breaker
Make, simple in structure, motion stability, uniform force.
In the utility model provides a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing, as
A kind of preferred embodiment, as depicted in figs. 1 and 2, it is described turn left arm group 17 include be mutually parallel and equal length first
Connecting lever 24 after preceding connecting lever 23 and first, the upper end of connecting lever 24 is hinged on left connecting shaft behind the upper end and first of connecting lever 23 before first
On 21；The lower end of connecting lever 24 is connected to one by the first oscillating rod 25 of front and back extension behind the lower end of connecting lever 23 and first before first
It rises；The arm group 18 of turning right includes being mutually parallel and connecting lever 27 after connecting lever 26 and second before the second of equal length, is turned before second
The upper end of connecting lever 27 is hinged in right connecting shaft 22 behind the upper end of arm 26 and second；Before second behind the lower end of connecting lever 26 and second
The lower end of connecting lever 27 is linked together by the second oscillating rod 28 of front and back extension；Breaker is mounted on the lower section of stored energy mechanism,
The upper end of the operation handle 29 is stuck between the first oscillating rod 25 and the second oscillating rod 28.When arm group 17 and the arm group of turning right of turning left
18 together to when right rotation, and the first oscillating rod 25 pushes the upper end of operation handle 29 to make breaker open operation to right rotation；Work as a left side
Connecting lever group 17 and arm group 18 of turning right together to when anticlockwise, the second oscillating rod 28 push the upper end of operation handle 29 to anticlockwise and
Make breaker closing.
In a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of the utility model, arm of turning left
Group 17 can be such that energy storage torsional spring 2 tightens and energy storage towards right rotation, as a preferred embodiment, as shown in Fig. 2, the left side
The top of connecting lever group 17 is equipped with top plate 1, and an exit of energy storage torsional spring 2 extends to the right and pushed down by top plate 1；Before described first
The backing pin 30 of front and back extension is equipped with after connecting lever 23 and first between connecting lever 24, another exit of energy storage torsional spring 2 extends downwardly
And it is stuck in the right side of backing pin 30.In this way, when arm group 17 of turning left is towards when right rotation, backing pin 30 by the energy storage torsional spring 2 another
Exit is stirred towards the right side, so that energy storage torsional spring 2 tightens and energy storage.In order to enable 17 uniform force of arm group of turning left, as one
Kind preferred embodiment, as shown in Figure 1, there are two energy storage torsional spring 2, an energy storage torsional springs 2 for socket in the left connecting shaft 21
It is sleeved on the first half of left connecting shaft 21, another energy storage torsional spring 2 is sleeved on the latter half of left connecting shaft 21.In this way, arm of turning left
The first half and latter half stress of group 17 are roughly the same, and stress is more uniform, and movement is relatively stable.
In a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of the utility model, arm of turning right
The right side of group 18 is equipped with latching device 3；When turning right, arm group 18 transfers to drive operation handle 29 together towards dextrorotation with arm group 17 of turning left
Open position is turned to, arm group 18 that energy storage torsional spring 2 tightens and the latching of latching device 3 is turned right；When latching device 3 unclamps arm group 18 of turning right
When, energy storage torsional spring 2 drives arm group 17 of turning left to move operation handle 29 towards left-handed then fast speed belt together with arm group 18 of turning right and turns to conjunction
Gate position.As a preferred embodiment, as depicted in figs. 1 and 2, the right side for turning right arm group 18 is connected with bayonet lock
19；The latching device 3 includes the fixture block 4 and first rotating shaft 9 for being located at 18 right side of arm group of turning right, and the lower end of fixture block 4 has for card
There is claw 8, first rotating shaft 9 to be equipped with card slot 10, are socketed in first rotating shaft 9 for the upper end of the bayonet 7 that pin 19 is caught in, fixture block 4
First reduction torsion spring 11；When crank arm mechanism is towards when right rotation, the bayonet lock 19 is caught in the bayonet 7 and pushes the lower end of fixture block 4
Towards right rotation, the claw 8 simultaneously towards it is left-handed then into card slot 10 and push first rotating shaft 9 rotate；When the claw 8 revolves
When going to the left side of first rotating shaft 9, the first reduction torsion spring 11 torsion first rotating shaft 9 resets and blocks claw 8；First rotating shaft 9
On be also associated with dropout connecting lever 12, the dropout connecting lever 12 can be driven by electromagnet 13 and rotate that claw 8 is made to pass through card slot
10 and to right rotation.Preferably, the fixture block 4 is connected in the second shaft 14, and the second reset torsion is socketed in the second shaft 14
The upper end of spring 15, fixture block 4 is additionally provided with a position-limited claw 16, when claw 8 is located at the right side of first rotating shaft 9, the second reduction torsion spring 15
The left side for tightening the second shaft 14 and position-limited claw 16 being made to be against first rotating shaft 9.It is further preferable that the lower end of the fixture block 4 has
Left clamping portion 5 and right clamping portion 6, the length of left clamping portion 5 are less than the length of right clamping portion 6, left clamping portion 5 and right clamping portion 6
Between form the bayonet 7；When arm group 18 of turning right is towards when right rotation, the bayonet lock 19 is against on the right clamping portion 6 and pushes
The lower end of fixture block 4 makes bayonet lock 19 be caught in the bayonet 7 towards right rotation.When turning left arm group 17 and arm group 18 is turned right together towards the right side
When rotation, the bayonet lock 19 that the right side of arm group of turning left 17 connects is caught in the bayonet 7 of fixture block 4, and pushes the right clamping portion 6 of fixture block 4 towards the right side
Rotation, so that the bayonet 7 of fixture block 4 is increasingly turned to towards right direction, the left clamping portion 5 of fixture block 4 blocks bayonet lock 19 and makes card
Pin 19 cannot be deviate from from bayonet 7；In 4 lower end of fixture block towards while right rotation, the upper end of fixture block 4 is towards anticlockwise, on fixture block 4
The claw 8 at end is towards anticlockwise and enters the card slot 10 in first rotating shaft 9, claw 8 be against the bottom of card slot 10 and by first rotating shaft 9
Switch, to make card slot 10 turn to downward direction so that claw 8 goes to the left side of first rotating shaft 9, when claw 8 goes to first rotating shaft
After 9 left side, the first reduction torsion spring 11 torsion first rotating shaft 9 in first rotating shaft 9 resets and card slot 10 is made to turn to towards the right side
Direction, claw 8 cannot be by card slot 10 to right rotation, and claw 8 is blocked by first rotating shaft 9 at this time, and fixture block 4 cannot rotate, card
Pin 19 is stuck in the bayonet 7 of fixture block 4, and therefore, crank arm mechanism can not tighten energy storage towards anticlockwise, the holding of energy storage torsional spring 2
State.
In a kind of arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing of the utility model, the left side
Connecting lever group 17 and arm group 18 of turning right turn right and make breaker open operation and to 2 energy storage of energy storage torsional spring together；As a kind of preferred
Embodiment, described to turn right 18 active movement of arm group and arm group 17 of turning left is driven to move together, arm group 18 of turning right is filled with driving
Set drive connection, driving device driving turns right arm group 18 towards right rotation, and the arm group 17 that makes to turn left is transferred towards dextrorotation as energy storage together
2 energy storage of torsional spring, and the operation handle 29 of breaker is driven to turn to open position simultaneously.Arm group 18 of turning right can be driven towards dextrorotation
There are many technical solutions of the driving device turned, for example, dialling gear idler wheel in the setting of the side of gear, gear mechanism rotates and makes to dial
Gear idler wheel is against the left side for arm group 18 of turning right and drives arm group 18 of turning right towards right rotation, or can also use in the prior art
Other can drive arm group 18 of turning right towards the mechanism of right rotation, not be described further herein.
Technical solution based on above-described embodiment, a kind of pair of the motor-operating mechanism of breaker of plastic casing of the utility model
Bent-arm stored energy mechanism can realize separating brake energy storage and the rapid closing operation of breaker, simple in structure, motion stability, stress
Uniformly.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of arm-type stored energy mechanism of crutches of motor-operating mechanism of breaker of plastic casing, characterized in that including being arranged in parallel and
The lower end of turn left arm group (17) and the arm group (18) of turning right of equal length, the lower end of arm group of turning left (17) and arm group (18) of turning right is logical
Cross connecting rod (20) connection that left and right extends；The upper end of arm group of turning left (17) is hinged in left connecting shaft (21), arm group of turning right (18)
Upper end be hinged in right connecting shaft (22)；
The breaker has the operation handle (29) being sequentially connected with contact apparatus, and the upper end of the operation handle (29) is stuck in
Between the lower end of arm group of turning left (17) and the lower end for arm group (18) of turning right；
It is socketed with energy storage torsional spring (2) on the left connecting shaft (21), the right side of arm group of turning right (18) is equipped with latching device (3)；When
Arm group of turning right (18) and arm group (17) of turning left transfer that operation handle (29) is driven to turn to open position, energy storage torsional spring together towards dextrorotation
(2) it tightens and latching device (3) locks arm group (18) of turning right；When arm group (18) are turned right in latching device (3) release, energy storage torsional spring
(2) drive turn left arm group (17) and turn right arm group (18) together towards it is left-handed then drive operation handle (29) steering closing position.
2. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 1, feature exist
In：The arm group (17) of turning left includes being mutually parallel and connecting lever (24) after connecting lever (23) and first before the first of equal length, and
The upper end of connecting lever (24) is hinged in left connecting shaft (21) behind the upper end and first of connecting lever (23) before one；Connecting lever (23) before first
The lower end of connecting lever (24) is linked together by the first oscillating rod (25) of front and back extension behind lower end and first；
The arm group (18) of turning right includes being mutually parallel and connecting lever (27) after connecting lever (26) and second before the second of equal length, and
The upper end of connecting lever (27) is hinged in right connecting shaft (22) behind the upper end and second of connecting lever (26) before two；Connecting lever (26) before second
The lower end of connecting lever (27) is linked together by the second oscillating rod (28) of front and back extension behind lower end and second；
The upper end of the operation handle (29) is stuck between the first oscillating rod (25) and the second oscillating rod (28).
3. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 2, feature exist
In：The top of the arm group (17) of turning left is equipped with top plate (1), and an exit of energy storage torsional spring (2) extends to the right and by top plate
(1) it pushes down；It is equipped with the backing pin (30) of front and back extension, energy storage torsional spring before described first after connecting lever (23) and first between connecting lever (24)
(2) another exit extends downwardly and is stuck in the right side of backing pin (30).
4. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 1, feature exist
In：There are two energy storage torsional springs (2), an energy storage torsional spring (2) to be sleeved on left connecting shaft (21) for socket on the left connecting shaft (21)
First half, another energy storage torsional spring (2) are sleeved on the latter half of left connecting shaft (21).
5. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 1, feature exist
In：It is connected with bayonet lock (19) on the right side of the arm group (18) of turning right；The latching device (3) includes being located at arm group (18) right side of turning right
The fixture block (4) and first rotating shaft (9) of side, the lower end of fixture block (4) have a bayonet (7) being caught in for bayonet lock (19), fixture block (4) it is upper
There is claw (8), first rotating shaft (9) to be equipped with card slot (10), the first reduction torsion spring (11) is socketed in first rotating shaft (9) at end；
When crank arm mechanism is towards when right rotation, the bayonet lock (19) is caught in the bayonet (7) and pushes the lower end of fixture block (4) towards dextrorotation
Turn, the claw (8) and meanwhile towards it is left-handed then into card slot (10) and push first rotating shaft (9) rotate；When the claw (8) are revolved
When going to the left side of first rotating shaft (9), the first reduction torsion spring (11) torsion first rotating shaft (9) resets and blocks claw (8)；
Dropout connecting lever (12) is also associated in first rotating shaft (9), the dropout connecting lever (12) can be driven by electromagnet (13) and be revolved
Turn to make claw (8) by card slot (10) and to right rotation.
6. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 5, feature exist
In：The fixture block (4) is connected in the second shaft (14), and the second reduction torsion spring (15), fixture block are socketed in the second shaft (14)
(4) upper end is additionally provided with a position-limited claw (16), and the second reduction torsion spring (15) tightens the second shaft (14) and position-limited claw (16) is made to support
Left side in first rotating shaft (9).
7. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 5, feature exist
In：The lower end of the fixture block (4) has left clamping portion (5) and right clamping portion (6), and the length of left clamping portion (5) is less than right clamping
The length in portion (6) forms the bayonet (7) between left clamping portion (5) and right clamping portion (6)；When arm group (18) of turning right is towards dextrorotation
When turning, the bayonet lock (19) is against on the right clamping portion (6) and pushes the lower end of fixture block (4) towards right rotation to make bayonet lock
(19) it is caught in the bayonet (7).
8. the arm-type stored energy mechanism of the crutches of the motor-operating mechanism of breaker of plastic casing according to claim 1, feature exist
In：The arm group (18) of turning right is sequentially connected with driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806266.0U CN207731884U (en) | 2017-12-21 | 2017-12-21 | The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806266.0U CN207731884U (en) | 2017-12-21 | 2017-12-21 | The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing |
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| CN207731884U true CN207731884U (en) | 2018-08-14 |
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| CN201721806266.0U Active CN207731884U (en) | 2017-12-21 | 2017-12-21 | The arm-type stored energy mechanism of crutches of the motor-operating mechanism of breaker of plastic casing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223708A (en) * | 2018-11-27 | 2020-06-02 | 平高集团有限公司 | Earthing switch and its spring operating mechanism |
| CN112542363A (en) * | 2020-11-30 | 2021-03-23 | 浙江阿尔斯通电气有限公司 | Electric operating mechanism of molded case circuit breaker |
-
2017
- 2017-12-21 CN CN201721806266.0U patent/CN207731884U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223708A (en) * | 2018-11-27 | 2020-06-02 | 平高集团有限公司 | Earthing switch and its spring operating mechanism |
| CN111223708B (en) * | 2018-11-27 | 2021-12-17 | 平高集团有限公司 | Grounding switch and spring operating mechanism thereof |
| CN112542363A (en) * | 2020-11-30 | 2021-03-23 | 浙江阿尔斯通电气有限公司 | Electric operating mechanism of molded case circuit breaker |
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