CN207353190U - A kind of motor-operating mechanism of breaker - Google Patents
A kind of motor-operating mechanism of breaker Download PDFInfo
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- CN207353190U CN207353190U CN201721206440.8U CN201721206440U CN207353190U CN 207353190 U CN207353190 U CN 207353190U CN 201721206440 U CN201721206440 U CN 201721206440U CN 207353190 U CN207353190 U CN 207353190U
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- motor
- bar
- interlocking bar
- driving
- transmission device
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Abstract
The utility model discloses a kind of motor-operating mechanism of breaker, including housing, with driving motor, the transmission device being arranged on housing, and the link mechanism of connection transmission device and circuit breaker handle, the link mechanism includes fixed pivot axis, the first interlocking bar and the second interlocking bar, first interlocking bar rotates by a certain angle under the driving of transmission device around fixed pivot axis, and second interlocking bar, which follows, drives circuit breaker handle to perform divide-shut brake action in the first interlocking bar rotation process.This structure setting, physics leverage is formed between first interlocking bar and fixed pivot axis, that is the driving bar portion and driven bar portion of the first interlocking bar are rotated to transmit or change power and movement around fixed pivot axis for fulcrum, so that the first interlocking bar links, the second interlocking bar drives circuit breaker handle divide-shut brake more laborsaving, coordinate reliable transmission, driving torque is small, reduces the bearing load to motor, extend motor service life, manufacture cost is low.
Description
Technical field
It the utility model is related to low voltage electrical apparatus technology field, and in particular to a kind of motor-operating mechanism of breaker.
Background technology
In low-voltage distribution system frequently with mold cased circuit breaker as limit switch or branch switch, to power circuit, machine
Tool equipment plays the role of real-time guard, can be automatically cut off when circuit and equipment generation overload or short circuit and its under-voltage fault
Circuit.Traditional mold cased circuit breaker can only carry out closing by hand operation to it, i.e., by the circuit breaker handle that manually closes a floodgate,
If also there are electric arc or there is arcing to threaten technical staff's safe operation in breaker.Therefore, by mold cased circuit breaker
Automatic divide-shut brake function of the electric transmission machanism so as to fulfill breaker of plastic casing is installed, operation is flexible, easy to use, and safety can
Lean on.
The electric transmission machanism of existing breaker, mainly including motor, linkage mechanism and drive link, one end of drive link
Link and set with linkage mechanism, other end connection circuit breaker handle, the linkage of linkage mechanism and machine shaft is set, so as to pass through
Machine shaft drives linkage mechanism to rotate, and then drives drive link and circuit breaker handle to move back and forth, and realizes circuit breaker electric
The effect of dynamic divide-shut brake.Wherein, the set-up mode of linkage mechanism can use gear transmission structure or crank transmission structure, and with biography
Lever links so that the driving force of motor is transmitted on circuit breaker handle.
At present, the relatively conventional a kind of breaker electric transmission machanism of in the market, as shown in Figure 1, including Shell of circuit breaker
Motor 02, crank driving mechanism 03 on 01, and setting Shell of circuit breaker, interlocking bar 04, the crank driving mechanism 03 link
It is arranged on machine shaft 05, which is provided with manual adjust being coaxially disposed with machine shaft 05 and turn round 06, one end of interlocking bar 03
It is connected with crank driving mechanism, the other end is set on circuit breaker handle 07, and the crank driving mechanism 03 is with machine shaft 05
One-directional rotation, and drive 04 direct pull circuit breaker handle 07 of interlocking bar to carry out separating brake or closing operation.However, this breaker
The required active force of divide-shut brake itself is larger, this structure setting, makes interlocking bar to needed for circuit breaker handle switch closing and switch opening
Operating force is with regard to larger, and overall driving torque is big, it is necessary to consume the larger output kinetic energy of motor, and can be only achieved corresponding operation will
Ask, increase motor bearing load, influence its service life, generally require the motor of configuration bigger power performance, cost is higher.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome electric transmission machanism of the prior art to pass through connection
Active force needed for lever drive circuit breaker handle divide-shut brake is larger, and overall driving torque is big, increases motor bearing load, and cost
The problem of high, so as to provide, a kind of transmission performance is reliable, and driving torque is smaller, reduces motor bearing load, extends it and use the longevity
Life, reduces the motor-operating mechanism of the breaker of cost.
To solve above-mentioned technological deficiency, the utility model provides a kind of motor-operating mechanism of breaker, including housing, and
The driving motor being arranged on housing, is linkedly set with transmission device in the shaft of the driving motor, and the connection biography
The link mechanism of dynamic device and circuit breaker handle, when the transmission device is rotated with the shaft of the driving motor, described in drive
Link mechanism and the circuit breaker handle perform divide-shut brake action；The link mechanism includes：
Fixed pivot axis, is set on the housing；
First interlocking bar, rotates by a certain angle under the driving of the transmission device around the fixed pivot axis, and described first
Interlocking bar includes the fixation turning end with fixed pivot axis rotation connection, and is in as pivot using the fixed turning end
The driving bar portion and driven bar portion of angle extension, the driving bar portion are set by linkage structure and transmission device linkage；
Second interlocking bar, its one end are connected with the circuit breaker handle, and the other end is movably hinged with first interlocking bar,
Second interlocking bar, which follows, drives the circuit breaker handle to perform separating brake or close a floodgate dynamic in the first interlocking bar rotation process
Make.
For a kind of preferred solution, the shape of first interlocking bar is L-shaped, the length of the driving bar portion be more than it is described from
The length in lever portion.
As a preferred embodiment, the linkage structure includes being arranged on fixing axle on the transmission device, and shaping
In the bar-shaped trough for coordinating transmission in the driving bar portion with the fixing axle；The fixing axle is stretched into the bar-shaped trough, and with
The transmission device moves in the bar-shaped trough under rotating and then drives the driving bar portion to rotate.
As a preferred embodiment, the bar-shaped trough extends in the same direction shaping along the extending direction of the driving bar portion.
As a preferred embodiment, second interlocking bar is hingedly linked by axis pin part and the driven bar portion, described
Second interlocking bar is corresponding with one end that the driven bar portion is connected to form the pin shaft hole for being adapted to the axis pin part.
As a preferred embodiment, the other end of second interlocking bar forms the U coordinated with the circuit breaker handle
Shape slot, the end of the circuit breaker handle are stretched into the U-lag hole.
As a preferred embodiment, the fixed pivot axis is circular shaft, and the circular shaft is located at the breaker and the motor
The side of shaft phase line.
As a preferred embodiment, the transmission device includes with center cavity volume and is in elliptoid device body, institute
The one end for stating device body is equipped with the mounting hole for coordinating fixation with the fixing axle.
As a preferred embodiment, the transmission device, which further includes, is arranged in the center cavity volume and joins with machine shaft
The dynamic ratchet set, and the push-rod assembly being connected in the ratchet teeth groove, and suitable for installing the push-rod assembly and direction
The storage tank of the ratchet.
As a preferred embodiment, the push-rod assembly include being arranged on push rod in the storage tank and with the push rod
The compression spring to offset, the compression spring apply the biasing force being in contact with the ratchet to the push rod.
The beneficial effects of the utility model are：
1. in the motor-operating mechanism of the breaker of a practical new use, link mechanism includes the first interlocking bar, second
Interlocking bar and fixed pivot axis, first interlocking bar rotate by a certain angle under actuator drives around the fixed pivot axis, into
And the second interlocking bar driving circuit breaker handle execution breaking-closing operating is driven, and this structure setting of the utility model, first
Physics leverage is formed between lever and fixed pivot axis, is i.e. is around fixed pivot axis during the driving bar portion stress of the first interlocking bar
Fulcrum rotates, so as to drive driven bar portion to be rotated around fulcrum to transmit or change power and movement, the utility model can respective settings
Bar portion and driven bar portion is driven to realize that transmission is laborsaving by leverage, so that first linkage to the drive length of fulcrum
Bar the second interlocking bar of linkage drives circuit breaker handle divide-shut brake more laborsaving, is applied relatively in one end of the first interlocking bar with reaching
Less motor driving force, with regard to the operating force needed for circuit breaker handle divide-shut brake, structure letter can be reached under lever principle effect
Single, design is reasonable, coordinates reliable transmission, and driving torque is small, reduces the bearing load to motor, extends the service life of motor,
It is low to manufacture cost.
2. in the motor-operating mechanism of the breaker of a practical new use, the shape of first interlocking bar is L-shaped, institute
State and drive length of the length of bar portion more than the driven bar portion, this structure setting, under actuator drives, the driving
Bar portion is rotated around fixed pivot axis drives the rotation of driven bar portion to form physics leverage, and drives the stress point of bar portion to fixation
The distance of fulcrum is more than the resistance point of driven bar portion to the distance of fixed pivot axis, and more laborsaving during power, structure letter is transmitted to realize
It is single, coordinate reliable transmission.
3. in the motor-operating mechanism of the breaker of a practical new use, the linkage structure includes being arranged on the biography
Fixing axle on dynamic device, and the bar-shaped trough for coordinating transmission with the fixing axle is taken shape in the driving bar portion, it is described solid
Dead axle is stretched into the bar-shaped trough.The driving motor of the utility model drives transmission device to one-directionally rotate, and fixing axle is with transmission
Device makees arching trajectory movement, and when movement pushes bar-shaped trough so that the driving bar portion follows the transmission device to rotate, and
It can be moved during the fixing axle movement along bar-shaped trough, the length of bar-shaped trough is adapted to fixing axle move distance, avoids the occurrence of transmission not
The problem of in place, this linkage structure are easily installed and retracted, and the design of part used is simple, easy processing shaping, transmission
Dependable performance.
4. in the motor-operating mechanism of the breaker of a practical new use, the transmission device further include be arranged on it is described
To drive the ratchet mechanism that described device body rotates in the cavity volume of center, its effect can prevent device case from inverting,
Retaining effect is played, is arbitrarily rotated to avoid device case, is coordinated safe and reliable.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of breaker electric transmission machanism of the prior art；
Fig. 2 is the structure diagram of the motor-operating mechanism of the breaker of the utility model；
Fig. 3 is the motor-operating mechanism planar structure schematic diagram of the breaker of the utility model；
Fig. 4 hides the structure diagram after housing for motor-operating mechanism described in Fig. 2；
Fig. 5 is the structure diagram of the link mechanism of the utility model；
Fig. 6 is the internal structure schematic diagram of the transmission device of the utility model；
Fig. 7 is the structure diagram of the motor-operating mechanism another embodiment of the utility model；
Description of reference numerals：
1- housings, 2- driving motors, 3- transmission devices, 31- fixing axles, 32- mounting holes, 33- ratchets, 34- push rods, 35-
Compression spring, 4- circuit breaker handles, 5- link mechanisms, the first interlocking bar of 51-, 511- fix turning end, 512- driving bar portion, 513- from
Lever portion, 514- bar-shaped troughs, the second interlocking bar of 52-, 521- axis pin parts, 53- fixed pivot axis.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in the description of the utility model
Purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
The present embodiment is specifically described below in conjunction with the accompanying drawings：
The present embodiment provides a kind of motor-operating mechanism of breaker as illustrated in figs. 2-7, including housing 1, and it is arranged on
Driving motor 2 on housing 1, is linkedly set with transmission device 3 in the shaft of the driving motor 2, and the connection transmission
The link mechanism 5 of device 3 and circuit breaker handle 4, when the transmission device 3 is rotated with the machine shaft, drives the connecting rod
Structure 5 and the circuit breaker handle 4 perform divide-shut brake action；The link mechanism includes：
Fixed pivot axis 53, is arranged on the housing 1；
First interlocking bar 51, rotates by a certain angle under the driving of the transmission device 3 around the fixed pivot axis 53, described
First interlocking bar 51 includes the fixation turning end 511 with fixed pivot axis rotation connection, and with the fixed turning end
511 be driving bar portion 512 and driven bar portion 513 that pivot is in angle extension, and the driving bar portion 512 passes through linkage structure
Link and set with the transmission device 3；
Second interlocking bar 52, its one end are connected with the circuit breaker handle 4, the other end and the activity of the first interlocking bar 51
Hinged, second interlocking bar 52, which follows, drives the execution point of circuit breaker handle 4 in 51 rotation process of the first interlocking bar
Lock or feed motion.
The above embodiment is the core technology scheme of the present embodiment, and link mechanism includes the first interlocking bar 51, second
Lever 52 and fixed pivot axis 53, first interlocking bar 51 rotate certain angle under actuator drives around the fixed pivot axis 53
Degree, and then the second interlocking bar driving circuit breaker handle execution breaking-closing operating is driven, this structure setting of the present embodiment, first
Physics leverage is formed between interlocking bar and fixed pivot axis, i.e. around consolidating during driving 512 stress of bar portion of the first interlocking bar 51
Determine fulcrum to rotate for fulcrum, so as to drive driven bar portion 513 to rotate to transmit or change power and movement around fulcrum, in the present embodiment
In can respective settings driving bar portion and driven bar portion arrive fulcrum drive length, by leverage realize be driven it is laborsaving so that
Second interlocking bar 52 of the linkage of first interlocking bar 51 drives circuit breaker handle divide-shut brake more laborsaving, to reach in the first linkage
One end of bar applies relatively small motor driving force, with regard to that can reach needed for the circuit breaker handle divide-shut brake under leverage
Operating force, simple in structure, design is reasonable, coordinates reliable transmission, and driving torque is small, reduces the bearing load to motor, extends
The service life of motor, manufacture cost are low.
Made further preferably according to above-mentioned implementation, the shape of first interlocking bar 51 is L-shaped, the driving bar portion 512
Length be more than the driven bar portion 513 length, set-up mode as shown in Figure 3, under the driving of transmission device, the drive
Lever portion 512 is rotated around fixed pivot axis and drives driven bar portion 513 to rotate to form physics leverage, and the driving bar portion
512 stress point to the fixed pivot axis 53 distance be more than the driven bar portion 513 resistance point to fixed pivot axis distance,
More labour-saving effect when transmitting power to realize, it is simple in structure, coordinate reliable transmission.
2-3 describes the set-up mode of linkage structure in the present embodiment in detail below in conjunction with the accompanying drawings：
The linkage structure includes the fixing axle 31 being arranged on the transmission device 3, and takes shape in the drive rod
Coordinate the bar-shaped trough 514 of transmission in portion 512 with the fixing axle 31；The fixing axle 31 is stretched into the bar-shaped trough 514, and
Moved under being rotated with the transmission device 3 in the bar-shaped trough 514 and then drive the driving bar portion to rotate.It is further excellent
Choosing, the bar-shaped trough 514 extends in the same direction shaping along the extending direction of the driving bar portion 512, in arc strip.In the present embodiment
In, the driving motor 2 only makees single direction rotation, can be replaced certainly by the motor of other opposite directions, so as to drive transmission device 3 to make
One-directional rotation；Correspondingly, the fixing axle 31 makees arching trajectory movement with the transmission device 3, when movement, pushes the bar shaped
Groove 514 is so that the driving bar portion 512 follows the transmission device 3 to rotate, and the fixing axle 31 drives bar-shaped trough movement
When can be moved back and forth along bar-shaped trough, the length of the bar-shaped trough 514 is adapted to the move distance of the fixing axle, avoids the occurrence of transmission
The problem of not in place, this linkage structure are easily installed and retracted, and the design of part used is simple, and easy processing shaping, passes
Dynamic dependable performance.
With reference to figure 3-5, second interlocking bar 52 is hingedly linked by axis pin part 521 and the driven bar portion 513, described
Second interlocking bar 52 is corresponding with one end that the driven bar portion 513 is connected to form the axis pin for being adapted to the axis pin part 521
Hole；It is further preferred that with reference to figure 4, the other end of second interlocking bar 52 forms what is coordinated with the circuit breaker handle 4
U-lag hole, the end of the circuit breaker handle 4 are stretched into the U-lag hole, and connection retracts more convenient, coordinates reliable.With reality
Existing second interlocking bar 52 is linked with the driven bar portion 513, and second is driven by the driven bar portion 513
Lever moves back and forth, and then drives circuit breaker handle to perform breaking-closing operating.
In the present embodiment, the fixed pivot axis 53 is circular shaft, is formed and the circular shaft in the fixed turning end 511
The circular hole to match, the circular shaft are located at the side of the circuit breaker handle 4 and the machine shaft phase line, can with reference to figure 3
Know, the line of machine shaft position and circuit breaker handle position is in longitudinal straight line, and it is straight that the fixed pivot axis 53 can be distributed in longitudinal direction
Any side of line, this example are preferably provided at the left side of longitudinal straight line and close to circuit breaker handles, and transmission distance is shorter, while energy
Enough realize the leverage of the first interlocking bar, it is ensured that the link mechanism 5 transmits fortune between transmission device and circuit breaker handle
Dynamic and power, to ensure the reasonability and reliability of transmission.
As a kind of convertible scheme of the above embodiment, a kind of set-up mode as shown in Figure 7, the fixed pivot axis
53 can be distributed on the right side of longitudinal straight line, drive first interlocking bar 51 to be rotated around fixed pivot axis by transmission device 3, Jin Erlian
Dynamic second interlocking bar 52 drives circuit breaker handle 4 to perform breaking-closing operating.Above-mentioned, although to give the first interlocking bar specific
The preferred solution of structure, it is clear that first interlocking bar is not limited only to be L-shaped, and can also be in that hook solid etc. is other can also make it
Meet the arbitrary shape of transmission demand and size requirements, and then first interlocking bar 51 and the fixed pivot axis 53 can be passed through
The other embodiment for realizing lever used for physics effect is coordinated to be substituted, at this then not to other equivalent embodiment party of the first interlocking bar
Formula is repeated one by one.
The motion process of the transmission mechanism of the present embodiment：The driving motor 2 drives transmission device 3 to make circular motion, into
And drive first interlocking bar 51 to make around fixed pivot axis the reciprocating rotation of certain angle by the fixing axle 31, it is described driven
Bar portion 513 is followed in the first interlocking bar motion process to 4 side of circuit breaker handle closer or far from and described in synchronous drive
Second interlocking bar 52 is reciprocating, and then drives circuit breaker handle to perform breaking-closing operating by second interlocking bar 52.
The transmission device of the present embodiment is described in detail with reference to Fig. 3 and Fig. 6：
The transmission device 3 includes with center cavity volume and is in elliptoid device body, one end of described device body
Equipped with the mounting hole 32 for coordinating fixation with the fixing axle 31.Wherein, described device body is not limited only to be ellipticity, it can be with
Make the arbitrary shape of satisfaction transmission demand and size requirements, do not repeating one by one herein.It is further preferred that the transmission device
3 further include the ratchet 33 for being arranged in the center cavity volume and being set with machine shaft linkage, and are connected to 33 tooth of ratchet
Push-rod assembly in groove, and suitable for the installation push-rod assembly and towards the storage tank of the ratchet, when the motor drives
When the ratchet one-way rotates, drive device case to rotate by the cooperation that pushes of ratchet and the push-rod assembly, keep transmission
The stability and reliability of device action.
As shown in fig. 6, the push-rod assembly includes the push rod 34 being arranged in the storage tank and offsets with the push rod
Compression spring 35, the compression spring 35 applies the biasing force that is in contact with the ratchet 33 to the push rod 34.Therefore, the push rod 34
One end storage tank is stretched out under the biasing force of compression spring and is positioned between the teeth groove of the ratchet 33, when motor drive ratchet 33
When rotating forward, by coordinating between ratchet and push rod to realize the rotation of transmission device；If ratchet occurs conversely reverse, spine
Wheel 33 and the convex slope sliding contact of push rod 34 and will not screens, the push rod 34 biases the compression spring 35 and is partly absorbed in
In groove, at this time, ratchet 33 and machine shaft idle running can prevent the transmission device without driving the reversion of whole device housing
3 random reversion, this simple in structure, transmission coordinates reliably, more preferably protects motor, longer life expectancy.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of motor-operating mechanism of breaker, including housing (1), and the driving motor (2) being arranged on housing (1), institute
State and transmission device (3) is linkedly set with the shaft of driving motor (2), and the connection transmission device (3) and breaker hand
The link mechanism (5) of handle (4), when the transmission device (3) rotates with the shaft of the driving motor, drives the link mechanism
(5) and the circuit breaker handle (4) performs divide-shut brake action；It is characterized in that：The link mechanism includes：
Fixed pivot axis (53), is arranged on the housing (1)；
First interlocking bar (51), rotates by a certain angle under the driving of the transmission device (3) around the fixed pivot axis (53), institute
The fixation turning end (511) that the first interlocking bar (51) includes being rotatablely connected with the fixed pivot axis is stated, and is turned with the fixation
Driving bar portion (512) and driven bar portion (513) of the moved end (511) for pivot in angle extension, the driving bar portion (512)
Set by linkage structure and the transmission device (3) linkage；
Second interlocking bar (52), its one end are connected with the circuit breaker handle (4), and the other end is living with first interlocking bar (51)
Dynamic hinged, second interlocking bar (52) follows in the first interlocking bar (51) rotation process and drives the circuit breaker handle
(4) separating brake or feed motion are performed.
A kind of 2. motor-operating mechanism of breaker according to claim 1, it is characterised in that：First interlocking bar
(51) shape is L-shaped, and the length of the driving bar portion (512) is more than the length of the driven bar portion (513).
A kind of 3. motor-operating mechanism of breaker according to claim 2, it is characterised in that：The linkage structure includes
The fixing axle (31) being arranged on the transmission device (3), and take shape on driving bar portion (512) with the fixing axle
(31) bar-shaped trough (514) of transmission is coordinated；The fixing axle (31) is stretched into the bar-shaped trough (514), and is filled with the transmission
Put and moved under (3) rotate in the bar-shaped trough (514) and then drive the driving bar portion to rotate.
A kind of 4. motor-operating mechanism of breaker according to claim 3, it is characterised in that：The bar-shaped trough (514)
Shaping is extended in the same direction along the extending direction of the driving bar portion (512).
A kind of 5. motor-operating mechanism of breaker according to claim 1, it is characterised in that：Second interlocking bar
(52) hingedly linked by axis pin part (521) and the driven bar portion (513), second interlocking bar (52) and the follower lever
The connected one end in portion (513) corresponds to the pin shaft hole for forming and being adapted to the axis pin part (521).
A kind of 6. motor-operating mechanism of breaker according to claim 5, it is characterised in that：Second interlocking bar
(52) the other end forms the U-lag hole coordinated with the circuit breaker handle (4), and the end of the circuit breaker handle (4) is stretched
Enter in the U-lag hole.
A kind of 7. motor-operating mechanism of breaker according to claim 1, it is characterised in that：
The fixed pivot axis (53) is circular shaft, and the circular shaft is located at the circuit breaker handle (4) and the machine shaft phase line
Side.
A kind of 8. motor-operating mechanism of breaker according to claim 3, it is characterised in that：The transmission device (3)
Including with center cavity volume and be in elliptoid device body, one end of described device body is equipped with and the fixing axle (31)
Coordinate fixed mounting hole (32).
A kind of 9. motor-operating mechanism of breaker according to claim 8, it is characterised in that：The transmission device (3)
The ratchet (33) for being arranged in the center cavity volume and being set with machine shaft linkage is further included, and is connected to the ratchet (33)
Push-rod assembly in teeth groove, and suitable for installing the push-rod assembly and towards the storage tank of the ratchet.
A kind of 10. motor-operating mechanism of breaker according to claim 9, it is characterised in that：The push-rod assembly bag
The compression spring (35) for including the push rod (34) being arranged in the storage tank and offseting with the push rod (34), the compression spring (35) is to institute
State push rod (34) and apply the biasing force being in contact with the ratchet (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206440.8U CN207353190U (en) | 2017-09-19 | 2017-09-19 | A kind of motor-operating mechanism of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206440.8U CN207353190U (en) | 2017-09-19 | 2017-09-19 | A kind of motor-operating mechanism of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353190U true CN207353190U (en) | 2018-05-11 |
Family
ID=62411246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721206440.8U Active CN207353190U (en) | 2017-09-19 | 2017-09-19 | A kind of motor-operating mechanism of breaker |
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| Country | Link |
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| CN (1) | CN207353190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410107A (en) * | 2021-08-20 | 2021-09-17 | 江西韬瑞自动化设备有限公司 | Circuit protection device with power supply cut-off early warning function based on standby power supply |
-
2017
- 2017-09-19 CN CN201721206440.8U patent/CN207353190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410107A (en) * | 2021-08-20 | 2021-09-17 | 江西韬瑞自动化设备有限公司 | Circuit protection device with power supply cut-off early warning function based on standby power supply |
| CN113410107B (en) * | 2021-08-20 | 2022-01-28 | 江西韬瑞自动化设备有限公司 | Circuit protection device with power supply cut-off early warning function based on standby power supply |
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