CN109786146A - Three section automatic change-overs - Google Patents
Three section automatic change-overs Download PDFInfo
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- CN109786146A CN109786146A CN201910035735.0A CN201910035735A CN109786146A CN 109786146 A CN109786146 A CN 109786146A CN 201910035735 A CN201910035735 A CN 201910035735A CN 109786146 A CN109786146 A CN 109786146A
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Abstract
The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of three section automatic change-overs, it includes stored energy operating mechanism and trigger device, stored energy mechanism includes the first energy storing members, the second energy storing members, transmission gear and rotating-table apparatus, first energy storing members and the second energy storing members are connected with rotating-table apparatus respectively, and first energy storing members and the second energy storing members be connected respectively with transmission gear driving, transmission gear drives with trigger device to be connected；Three section automatic change-overs of the invention, its stored energy mechanism enables automatic change-over between bifurcation state and the first power supply on state, converts rapidly between bifurcation state and second source on state, significantly improves connection/breaking capacity of automatic change-over.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of three section automatic change-overs.
Background technique
Current many important events are all powered using automatic change-over, automatic change-over be by load circuit from
Power supply automatic conversion is connected to the device for switching of another circuit all the way, therefore to the continuity of power supply, reliability has particularly significant
Requirement, so the reliability of product is particularly important in emergency power supply system.The automatic change-over electricity of existing three section
Device, most products separating brake and closing speed depend entirely on the conversion speed of driving motor, and the conversion speed of such product is difficult
To realize the purpose of quick divide-shut brake, cause to connect not high with breaking capacity.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of three section automatic transfer switching electric appliances are provided,
Stored energy mechanism enables automatic change-over between bifurcation state and the first power supply on state, bifurcation state and second source are led
It is converted rapidly between logical state, significantly improves connection/breaking capacity of automatic change-over.
To achieve the above object, present invention employs following technical solutions:
A kind of automatic change-over of three sections comprising stored energy operating mechanism and trigger device 1, stored energy mechanism include
First energy storing members 42, the second energy storing members 41, transmission gear 6 and rotating-table apparatus 6a, the first energy storing members 42 and the second energy storing members 41 are divided
It is not connected with rotating-table apparatus 6a, and the first energy storing members 42 and the second energy storing members 41 are connected with the driving of transmission gear 6 respectively, driving cog
Wheel 6 is connected with the driving of trigger device 1；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to the first power supply conducting direction R1
Rotation, makes 42 energy storage of the first energy storing members, and after rotating-table apparatus 6a turns over the first critical point, the first energy storing members 42 release energy, and driving passes
Moving gear 6 accelerate rotation, transmission gear 6 drive trigger device 1 accelerate conducting the first power supply make automatic change-over convert to
First power supply on state；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a to the first power supply conducting direction
R1 opposite second source conducting direction R2 rotation, makes 41 energy storage of the second energy storing members, when rotating-table apparatus 6a turns over the second critical point
Afterwards, the second energy storing members 41 release can, driving transmission gear 6 accelerates rotation, and transmission gear 6 drives trigger device 1 to accelerate conducting the
Two power supplys convert automatic change-over to second source on state.
Preferably, when the automatic change-over is in the first power supply on state, outer power drive rotating-table apparatus 6a is to
Two power supply conducting direction R2 rotation makes 42 energy storage of the first energy storing members, after rotating-table apparatus 6a turns over the first critical point, the first energy storing members
42 release can and drive transmission gear 6 accelerate rotation, transmission gear 6 drive trigger device 1 accelerate the first power supply of disjunction make automatically
Change-over switch is converted to bifurcation state；
When the automatic change-over is in second source on state, outer power drive rotating-table apparatus 6a is led to the first power supply
Logical direction R1 rotation makes 41 energy storage of the second energy storing members, and after rotating-table apparatus 6a turns over the second critical point, the second energy storing members 41 are released can be simultaneously
Transmission gear 6 is driven to accelerate rotation, transmission gear 6 drives trigger device 1 that disjunction second source is accelerated to make automatic change-over
It converts to bifurcation state.
Preferably, further include the load end contact 2 being connected with load, the first power contact head 2a for being connected with the first power supply with
And the second source contact 2b being connected with second source；Under first power supply on state, trigger device 1 is touched with load end respectively
First 2, first power contact head 2a is connected, and under second source on state, trigger device 1 is electric with load end contact 2, second respectively
Source contact 2b is connected.
Preferably, first energy storing members 42 are the first torsional spring, and the fixed setting of the first one end of torsional spring, the other end and turntable fill
6a to be set to be connected, the second energy storing members 41 are the second torsional spring, and the second one end of torsional spring is fixedly installed, and the other end is connected with rotating-table apparatus 6a,
First torsional spring and the second torsional spring are separately positioned on the two sides of rotating-table apparatus 6a.
Preferably, further include first instrument part 72 and second instrument part 71, rotating-table apparatus 6a include the first arc groove 63a and
Second arc groove 62a, the first arc groove 63a and the second arc groove 62a is symmetrically distributed in the rotation center two sides of rotating-table apparatus 6a,
First arc groove 63a includes the first arc groove lower end 631a and the first arc groove upper end 630a for being separately positioned on its both ends, the
One instrument part 72 is arranged in the first arc groove 63a and one end is connected with 42 one end of the first energy storing members, and the second arc groove 62a includes
It is separately positioned on the second arc groove lower end 621a and the second arc groove upper end 620a at its both ends, the setting of second instrument part 71 is the
In two arc groove 62a and one end is connected with 41 one end of the second energy storing members；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to the first power supply conducting direction R1
Rotation, the first arc groove lower end 631a drive first instrument part 72 to rotate, make 42 energy storage of the first energy storing members, rotating-table apparatus 6a is turned over
After first critical point, the first energy storing members 42, which are released, can drive first instrument part 72 to slide in the first arc groove 63a, pass through the first instrument
Table part 72 pushes transmission gear 6 to accelerate rotation, so that trigger device 1 is accelerated the first power supply of conducting, while first instrument part 72 moves
To the first arc groove upper end 630a, and the rotation of rotating-table apparatus 6a makes the second arc groove upper end 620a turn to second instrument part
At 71；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to second source conducting direction R2
Rotation, the second arc groove lower end 621a drive second instrument part 71 to rotate, make 41 energy storage of the second energy storing members, when rotating-table apparatus 6a turns
After crossing the second critical point, the second energy storing members 41, which are released, can drive second instrument part 71 to slide in the second arc groove 62a, pass through second
Instrument part 71 pushes transmission gear 6 to accelerate rotation, and rotating-table apparatus 6a drives trigger device 1 to accelerate conducting second source, simultaneously
Second instrument part 71 moves at the second arc groove upper end 620a, and the rotation of rotating-table apparatus 6a turns the first arc groove upper end 630a
It moves at first instrument part 72.
Preferably, the transmission gear 6 is arranged between trigger device 1 and rotating-table apparatus 6a, transmission gear 6 and dynamic touching
Head 1 coaxial linkage of device, transmission gear 6 include third arc groove 62 and the 4th arc groove 61, third arc groove 62 and the 4th circle
Arc slot 61 is symmetrically distributed in the rotation center two sides of transmission gear 6, third arc groove 62 it is identical as the first arc groove 63a structure and
Parallel Symmetric setting, the 4th arc groove 61 is identical as the second arc groove 62a structure and Parallel Symmetric is arranged, and third arc groove 62 wraps
The third arc groove lower end 621 and third arc groove upper end 620 for being separately positioned on its both ends are included, the 4th arc groove 61 includes difference
The 4th arc groove lower end 611 and the 4th arc groove upper end 610 at its both ends are set, and 72 one end of first instrument part is across third circle
Arc slot 62 is connected with 42 one end of the first energy storing members, and 71 one end of second instrument part passes through the 4th arc groove 61 and the second energy storing members 41 1
End is connected；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to the first power supply conducting direction R1
Rotation, the first arc groove lower end 631a drive first instrument part 72 to rotate, make 42 energy storage of the first energy storing members, rotating-table apparatus 6a is turned over
After first critical point, the first energy storing members 42, which are released, can drive first instrument part 72 to slide in the first arc groove 63a, pass through the first instrument
Table part 72 pushes third arc groove upper end 620, and transmission gear 6 is made to accelerate rotation, and trigger device 1 is made to accelerate the first electricity of conducting
Source, while first instrument part 72 moves at the first arc groove upper end 630a, and the rotation of rotating-table apparatus 6a makes on the second arc groove
End 620a is turned at second instrument part 71；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to second source conducting direction R2
Rotation, the second arc groove lower end 621a drive second instrument part 71 to rotate, make 41 energy storage of the second energy storing members, when rotating-table apparatus 6a turns
After crossing the second critical point, the second energy storing members 41, which are released, can drive second instrument part 71 to slide in the second arc groove 62a, pass through second
Instrument part 71 pushes the 4th arc groove upper end 610, and transmission gear 6 is made to accelerate rotation, and rotating-table apparatus 6a drives trigger device 1 to add
Speed conducting second source, while second instrument part 71 moves at the second arc groove upper end 620a, and the rotation of rotating-table apparatus 6a makes
First arc groove upper end 630a is turned at first instrument part 72.
Preferably, the stored energy mechanism further includes manual shaft, and manual shaft includes driving rack 5, driving rack 5 and driving cog
6 driving of wheel is connected；
When the automatic change-over is in bifurcation state, operate manual shaft, make driving rack 5 drive transmission gear 6 to
First power supply conducting direction R1 rotation, third arc groove lower end 621 drive first instrument part 72 to rotate, and store up the first energy storing members 42
Can, after transmission gear 6 turns over the first critical point, the first energy storing members 42 release energy, pass through first instrument part 72 and push third circular arc
Slot upper end 620, makes transmission gear 6 accelerate rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device 1
The first power supply and load is connected, automatic change-over is converted to the first power supply on state, while second instrument part 71 from the 4th
Arc groove lower end 611 slides into the 4th arc groove upper end 610, operates manual shaft again, and driving rack 5 is made to drive transmission gear 6
It is rotated to second source conducting direction R2, by the inverse process of above-mentioned action process, converts automatic change-over to double and divide shape
State；
When the automatic change-over is in bifurcation state, manual shaft is operated, driving rack 5 drives transmission gear 6 to the
Two power supply conducting direction R2 rotation, the 4th arc groove lower end 611 drive second instrument part 71 to rotate, and store up the second energy storing members 41
Can, after transmission gear 6 turns over the second critical point, the second energy storing members 41 release energy, pass through second instrument part 71 and push the 4th circular arc
Slot upper end 610, makes transmission gear 6 accelerate rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device 1
Be connected second source and load, automatic change-over is converted to second source on state, while first instrument part 72 is from third
Arc groove lower end 621 slides into third arc groove upper end 620, operates manual shaft again, and transmission gear 5 is made to drive transmission gear 6
It is rotated to the first power supply conducting direction R1, by the inverse process of above-mentioned action process, converts automatic change-over to double and divide shape
State.
Preferably, the stored energy mechanism further includes motor 8, and motor 8 is connected with rotating-table apparatus 6a driving, is rotating-table apparatus 6a
The external force of its rotation of driving is provided.
Preferably, the transmission gear 6 and rotating-table apparatus 6a coaxial linkage.
Preferably, the load end contact 2 is located at 1 side of trigger device, the first power contact head 2a and second source touching
Head 2b is respectively positioned on 1 other side of trigger device, the first power contact head 2a and the setting of second source contact 2b relative spacing, moving contact
Device 1 includes that contact supports 10 and moving contact 11, and moving contact 11 is inserted into contact support 10 and the both ends difference of moving contact 11
It is prominent to support 10 two sides in contact；
Under bifurcation state, 11 one end of moving contact is located between load end contact 2 and the first power contact head 2a, other end position
Between load end contact 2 and second source contact 2b；Under the first power supply on state, 11 both ends of moving contact respectively with load
Contact 2, the first power contact head 2a is held to be connected；Under second source on state, 11 both ends of moving contact respectively with load end contact
2, second source contact 2b is connected；The moving contact under moving contact 11 and second source on state under first power supply on state
11 at X-type cross.
Preferably, the trigger device 1 includes that contact supports 10 and at least one set of moving contact 11, every group of moving contact 11
It is inserted into contact support 10 and both ends protrudes support 10 two sides in contact respectively, every group of moving contact 11 includes two moving contacts
11, two moving contacts 11 are arranged side by side and parallel to each other, 2, first power supplys of every group of moving contact 11 and a load end contact
Contact 2a, a second source contact 2b are used cooperatively；The load end contact 2 includes the load end contact knife that one end is arranged in
23, the first power contact head 2a include that the first power supply contact knife 21a, second source contact 2b of one end is arranged in including being arranged at it
The second source contact knife 21b of one end；
When the automatic change-over is converted to the first power supply on state, load end contact knife 23 is inserted into one group of moving contact 11
It is connected between two moving contacts 11 of one end and respectively with the two moving contacts 11, the first power supply contact knife 21a is inserted into the dynamic touching of the group
It is connected between two moving contacts 11 of first 11 other end and respectively with the two moving contacts 11；The automatic change-over convert to
When second source on state, load end contact knife 23 be inserted into one group of 11 one end of moving contact two moving contacts 11 between and respectively with
The two moving contacts 11 be connected, second source contact knife 21b be inserted between two moving contacts 11 of 11 other end of this group of moving contact and
It is connected respectively with the two moving contacts 11.
Preferably, the load end contact knife 23 includes symmetrical spaced first load end contact knife 230 and the second load
Hold contact knife 231；Under first power supply on state, the first load end contact knife 230, moving contact 11 and the first power supply contact knife 21a are successively
It is connected, under second source on state, the second load end contact knife 231, moving contact 11 and second source contact knife 21b are sequentially connected.
Preferably, the trigger device 1 includes that contact supports 10, moving contact 11 and spring leaf 12, contact to support on 10
Equipped at least one set of moving contact mounting hole 13, every group of moving contact mounting hole 13 includes the moving contact installation of two spacing side by side settings
Hole 13, is equipped with a moving contact 11 and a spring leaf 12 in each moving contact mounting hole 13, the both ends of spring leaf 12 respectively with
The both ends of moving contact 11 are connected, and middle part is connected with the side wall of moving contact mounting hole 13, and moving contact 11 is pressed on moving contact installation
In hole 13, and the both ends of moving contact 11 are prominent on the outside of 13 two sides of moving contact mounting hole；Match with same group of moving contact mounting hole 13
Two moving contacts 11 and two spring leafs 12 closed, two moving contacts 11 are located between two spring leafs 12.
It preferably, further include switch base 1a, the first fixing piece 32 and the second fixing piece 31, the first fixing piece 32 and second
Fixing piece 31 is dismountable respectively to be arranged on switch base 1a, and the first one end of torsional spring is fixed on switch by the first fixing piece 32
On pedestal 1a, the other end is connected with rotating-table apparatus 6a, and the second one end of torsional spring is fixed on switch base 1a by the second fixing piece 31
On, the other end is connected with rotating-table apparatus 6a.
Three section automatic transfer switching electric appliances of the invention comprising stored energy mechanism, stored energy mechanism include the first energy storing members,
Second energy storing members and rotating-table apparatus, by the energy storage of the first energy storing members and release can, transmission gear can be driven to accelerate rotation, to drive
Dynamic trigger device accelerates rotation so that/the first power supply of disjunction and load is connected, and by the energy storage of the second energy storing members and releases energy, can drive
Nutating gear accelerates rotation, to drive trigger device to accelerate rotation/disjunction second source and load is connected, thus real
Fast conducting/the disjunction for having showed the automatic change-over of three sections of the invention, significantly improve three sections of the invention from turn
Change conducting/breaking capacity of switch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the three section automatic transfer switching electric appliances of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the stored energy mechanism in bifurcation state of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the stored energy mechanism under the first power supply on state of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the stored energy mechanism under the second source on state of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the gear of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the rotating-table apparatus of the embodiment of the present invention；
Fig. 7 is the first instrument part of the embodiment of the present invention and the structural schematic diagram of second instrument part；
Fig. 8 is first torsional spring of the embodiment of the present invention and the structural schematic diagram of the second torsional spring；
Fig. 9 is the structural schematic diagram of the contact system in bifurcation state of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the contact system under the first power supply on state of the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the contact system under the second source on state of the embodiment of the present invention；
Figure 12 is the structural schematic diagram of the trigger device of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1-12 is provided, three section automatic transfer switching electric appliances of the invention are further illustrated
Specific embodiment.Three section automatic change-overs of the invention are not limited to the following description.
The automatic change-over of three sections of the invention comprising stored energy mechanism and trigger device 1, stored energy mechanism include
First energy storing members 42, the second energy storing members 41, transmission gear 6 and rotating-table apparatus 6a, the first energy storing members 42 and the second energy storing members 41 are divided
It is not connected with rotating-table apparatus 6a, and the first energy storing members 42 and the second energy storing members 41 are connected with the driving of transmission gear 6 respectively, sliding tooth
Wheel 6 is connected with the driving of trigger device 1；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to the first power supply conducting direction R1
Rotation, makes 42 energy storage of the first energy storing members, and after rotating-table apparatus 6a turns over the first critical point, the first energy storing members 42 release energy, and driving passes
Moving gear 6 accelerates rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, and trigger device 1 is made to accelerate the first electricity of conducting
Source and load, automatic change-over are converted to the first power supply on state, and outer power drive rotating-table apparatus 6a is led to the first power supply
Logical direction R1 opposite second source conducting direction R2 rotation, by the inverse process of above-mentioned action process, makes automatic change-over
It converts to bifurcation state；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a is to second source conducting direction R2
Rotation, makes 41 energy storage of the second energy storing members, and after rotating-table apparatus 6a turns over the second critical point, the second energy storage device 41 releases energy, driving
Transmission gear 6 accelerates rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, and trigger device 1 is made to accelerate conducting second
Power supply and load, automatic change-over are converted to second source on state, and outer power drive rotating-table apparatus 6a is led to the first power supply
Logical direction R1 rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state.
The automatic change-over of three sections of the invention comprising stored energy mechanism, stored energy mechanism include the first energy storing members 42,
Second energy storing members 41, transmission gear 6 and rotating-table apparatus 6a, by the energy storage of the first energy storing members 42 and release can, driving cog can be driven
Wheel 6 accelerates rotation, so that trigger device 1 be driven to accelerate rotation/the first power supply of disjunction and load is connected, passes through the second energy storage
The energy storage of part 41 and release can, can drive transmission gear 6 accelerate rotation, thus drive trigger device 1 accelerate rotation be connected/point
Disconnected second source and load significantly improve to realize fast conducting/disjunction of the automatic change-over of three sections of the invention
Connection/breaking capacity of the automatic change-over of three sections of the invention.
It should be pointed out that " bifurcation state " refers to that trigger device 1 had both been not turned on the first power supply and load,
Also it is not turned on the state of second source and load.
It should be pointed out that described, " outer power drive rotating-table apparatus 6a is rotated to second source conducting direction R2, and process is above-mentioned
The inverse process of movement converts automatic change-over to bifurcation state " refer to outer power drive rotating-table apparatus 6a to second source
Conducting direction R2 rotation, makes 42 energy storage of the first energy storing members, after rotating-table apparatus 6a turns over the first critical point, the first energy storing members 42 are released
Can, driving transmission gear 6 accelerates to rotate, and transmission gear 6 drives trigger device 1 to accelerate rotation, and trigger device 1 is made to accelerate to divide
Disconnected first power supply and load, automatic change-over are converted to bifurcation state.
It should be pointed out that described, " outer power drive rotating-table apparatus 6a is rotated to the first power supply conducting direction R1, and process is above-mentioned
The inverse process of action process converts automatic change-over to bifurcation state " refer to outer power drive rotating-table apparatus 6a to first
Power supply conducting direction R1 rotation, makes 41 energy storage of the second energy storing members, after rotating-table apparatus 6a turns over the second critical point, the second energy storing members 41
Energy is released, driving transmission gear 6 accelerates rotation, and transmission gear 6 drives the acceleration rotation of trigger device 1, accelerates trigger device 1
Disjunction second source and load, automatic change-over are converted to bifurcation state.
As shown in Figure 1, a kind of embodiment of the automatic change-over for three sections of the invention.
As shown in Figure 1, the automatic change-over of three sections of the invention comprising switch base 1a and setting are switching
Trigger device 1, load end contact 2, the first power contact head 2a, second source contact 2b and stored energy mechanism in pedestal 1a, storage
Energy mechanism includes the first energy storing members 42, the second energy storing members 41, transmission gear 6 and rotating-table apparatus 6a, the first energy storing members 42 and second
Energy storing members 41 are connected with rotating-table apparatus 6a respectively, and the first energy storing members 42 and the second energy storing members 41 drive with transmission gear 6 respectively
Be connected, transmission gear 6 and trigger device 1, which drive, to be connected, trigger device 1 respectively with load end contact 2, the first power contact head
2a, second source contact 2b cooperation.Specific direction as shown in Figure 1 is switch base with the left side of Fig. 1, right side, upside, downside
Left side, the right side, upside, downside of seat, the trigger device 1 are arranged in switch base 1a left side central portion, and load end contact 2 is set
It sets in 1 upside of trigger device, the first power contact head 2a and second source contact 2b are arranged at 1 downside of trigger device, storage
Energy mechanism is arranged in switch base 1a right side central, and the right side of trigger device 1, transmission gear 6 is arranged in rotating-table apparatus 6a
It is arranged between rotating-table apparatus 6a and trigger device 1, the first energy storing members 42 and the second energy storing members 41 are located at rotating-table apparatus
The upper side and lower side 6a.Certainly as needed, the first power contact head 2a and second source contact 2b can also be arranged in moving contact
1 upside of device, load end contact 2 is arranged on the downside of moving contact, the first energy storing members 42 and the second energy storing members 41 are respectively set
In the downside and upside of rotating-table apparatus.
Preferably, picture 1-4, shown in 8, first energy storing members 42 be the first torsional spring, the first one end of torsional spring fixed setting,
The other end is connected with rotating-table apparatus 6a, the second energy storing members 41 be the second torsional spring, the second one end of torsional spring fixed setting, the other end with turn
Disk device 6a is connected, and the first torsional spring and the second torsional spring are separately positioned on the two sides of rotating-table apparatus 6a.Further, as shown in figure 8,
First torsional spring and the second torsional spring mirror-image structure each other.Further, as shown in figure 8, first torsional spring includes the first torsion
Spring inner arm 421, the first torsional spring outer arm 422, the first torsional spring inner arm bending 423 and the first torsional spring outer arm bending 424, in the first torsional spring
Arm bending 423 is connected with 421 right angle of the first torsional spring inner arm, the first torsional spring outer arm bending 424 and 422 right angle phase of the first torsional spring outer arm
Connect, and 424 bending in the opposite direction of the first torsional spring inner arm bending 423 and the first torsional spring outer arm bending；The second torsional spring packet
The second torsional spring inner arm 411, the second torsional spring outer arm 412, the second torsional spring inner arm bending 414 and the second torsional spring outer arm bending 413 are included, the
Two torsional spring inner arm bendings 414 are connected with 411 right angle of the second torsional spring inner arm, the second torsional spring outer arm bending 413 and the second torsional spring outer arm
412 right angles are connected, and 413 bending in the opposite direction of the second torsional spring inner arm bending 414 and the second torsional spring outer arm bending.
Picture 1-4, shown in 6, the automatic change-over of three sections of the invention further includes first instrument part 72 and the second instrument
Table part 71, rotating-table apparatus 6a include the first arc groove 63a and the second arc groove 62a, the first arc groove 63a and the second arc groove
62a is symmetrically distributed in the rotation center two sides of rotating-table apparatus 6a, and the first arc groove 63a includes be separately positioned on its both ends first
One end and storage is arranged in the first arc groove 63a in arc groove lower end 631a and the first arc groove upper end 630a, first instrument part 72
Energy 42 one end of part is connected, and the second arc groove 62a includes the circle of the second arc groove lower end 621a and second for being separately positioned on its both ends
Arc slot upper end 620a, second instrument part 71 is arranged in the second arc groove 62a and one end is connected with 41 one end of the second energy storing members.Tool
Body, as shown in Fig. 2-4,6,8, the first torsional spring inner arm bending 423 of first energy storing members 42 is connected with first instrument part 72,
First torsional spring outer arm bending 424 is fixed on switch base 1a by the first fixing piece 32, the first torsional spring outer arm bending 424 and the
One fixing piece 32 is rotatedly connected, and the second torsional spring inner arm bending 414 is connected with second instrument part 71, the second torsional spring outer arm bending 413
It is fixed on switch base 1a by the second fixing piece 31, the second torsional spring outer arm bending 413 is rotatedly connected with the second fixing piece 31.
Preferably, first fixing piece 32 and the second fixing piece 31 are metalwork, and wearability is good, is conducive to extend this hair
The service life of the automatic change-over of bright three section.And first fixing piece 32 and the second fixing piece 31 it is detachable, be convenient for
Replacement, and the first energy storing members 42 and second can be made by adjusting the rigging position of the first fixing piece 32 and the first fixing piece 31
Energy storing members 41 and rotating-table apparatus 6a realize best fit.
As shown in Fig. 2,3,9 and 10, when the automatic change-over is in double gate-dividing state bifurcation states, outer power drive turns
Disk device 6a is rotated to the first power supply conducting direction R1, and the first arc groove lower end 631a drives first instrument part 72 to rotate, compression
First energy storing members 42 make 42 energy storage of the first energy storing members, and after rotating-table apparatus 6a turns over the first critical point, the first energy storing members 42 release energy,
Driving first instrument part 72 slides in the first arc groove 63a, pushes transmission gear 6 to accelerate rotation by first instrument part 72,
Transmission gear 6 drives trigger device 1 to accelerate rotation, and trigger device 1 is made to accelerate the first power supply of conducting and load, automatic conversion
Switch conversion is to the first power supply on state；Meanwhile first instrument part 72 moves at the first arc groove upper end 630a, due to turntable
The rotation of device 6a turns to the second arc groove upper end 620a at second instrument part 71, i.e. second instrument part 71 is from being located at the
Second arc groove lower end one end 621a of two arc groove 62a becomes being located at second arc groove upper end one end 620a, second instrument part
71 is substantially motionless.When outer power drive rotating-table apparatus 6a is to the second source conducting direction R2 opposite with the first power supply conducting direction R1
When rotation, by the inverse process of above-mentioned action process, convert automatic change-over to bifurcation state.Specifically, such as Fig. 2,6 and
Shown in 9, when the automatic change-over is in bifurcation state, first instrument part 72 is located at the first arc groove lower end 631a, the
Two instrument parts 71 are located at the second arc groove lower end 621a, and 11 upper end of moving contact of trigger device 1 is located at 2 He of load end contact
Between second source contact 2b, 1 lower end of moving contact of trigger device 1 be located at load end contact 2 and the first power contact head 2a it
Between；The first power supply conducting direction R1 is that clockwise, second source conducting direction R2 is counterclockwise；Such as Fig. 3 and
Shown in 10, when the automatic change-over is in the first power supply on state, first instrument part 72 is located at the first arc groove upper end
At 630a, second instrument part 71 is located at the second arc groove upper end 620a, 11 upper end of moving contact of trigger device 1 and load end
Contact 2 is connected, and 11 lower end of moving contact of trigger device 1 is connected with the first power contact head 2a；" first critical point " refers to
It is that the first energy storing members 42 are converted by energy storage state to the separation of de-energized state.
It is noted that described, " outer power drive rotating-table apparatus 6a is rotated to second source conducting direction R2, by above-mentioned dynamic
The inverse process for making process converts automatic change-over to bifurcation state " refer to that automatic change-over is converted by bifurcation state
To the first power supply "on" position, outer power drive rotating-table apparatus 6a is rotated to second source conducting direction R2, on the first arc groove
It holds 630a driving first instrument part 72 to rotate, makes 42 energy storage of the first energy storing members, after rotating-table apparatus 6a turns over the first critical point, first
Energy storing members 42 release energy, push transmission gear 6 to accelerate rotation by first instrument part 72, transmission gear 6 drives trigger device 1 to add
Speed rotation, converts 1 the first power supply of disjunction of trigger device and load, automatic change-over to bifurcation state, while the first instrument
Table part 72 is moved at the first arc groove lower end 631a, and second instrument part 71 slides into second by the second arc groove upper end 620a
Arc groove lower end 621a.
As shown in Fig. 2,4,9 and 11, when the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a to
Second source conducting direction R2 rotation, the second arc groove lower end 621a drive second instrument part 71 to rotate, make the second energy storing members 41
Energy storage, after rotating-table apparatus 6a turns over the second critical point, the second energy storing members 41 release energy, drive second instrument part 71 in the second circular arc
It is slided in slot 62a, pushes transmission gear 6 to accelerate rotation by second instrument part 71, transmission gear 6 drives trigger device 1 to add
Speed rotation, makes trigger device 1 accelerate conducting second source and load, and automatic change-over is converted to second source and shape is connected
State, while second instrument part 71 moves at the second arc groove upper end 620a, and the rotation of rotating-table apparatus 6a makes on the first arc groove
End 630a turn at first instrument part 72, i.e., first instrument part 72 from be located at the first arc groove 63a the first arc groove lower end
631a become be located at first arc groove upper end one end 630a, first instrument part 72 is substantially different, outer power drive rotating-table apparatus 6a to
First power supply conducting direction R1 rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state.
Specifically as shown in figs. 2 and 9, when the automatic change-over is in bifurcation state, first instrument part 72 is located at the first arc groove
At the 631a of lower end, second instrument part 71 is located at the second arc groove lower end 621a, and 11 upper end of moving contact of trigger device 1 is located at
Between load end contact 2 and second source contact 2b, 1 lower end of moving contact of trigger device 1 is located at load end contact 2 and first
Between power contact head 2a；The first power supply conducting direction R1 is clockwise that second source conducting direction R2 is counterclockwise
Direction；As shown in figures 4 and 11, when the automatic change-over is in second source on state, first instrument part 72 is located at the
At one arc groove upper end 630a, second instrument part 71 is located at the second arc groove upper end 620a, the moving contact 11 of trigger device 1
Upper end is connected with load end contact 2, and 11 lower end of moving contact of trigger device 1 is connected with second source contact 2b；Described " second
Critical point " refers to that the second energy storing members 41 are converted by energy storage state to the separation of de-energized state.
It should be pointed out that described, " outer power drive rotating-table apparatus 6a is rotated to the first power supply conducting direction R1, and process is above-mentioned
The inverse process of action process converts automatic change-over to bifurcation state " refer to that automatic change-over is turned by bifurcation state
After shifting to second source on state, outer power drive rotating-table apparatus 6a is rotated to the first power supply conducting direction R1, the second arc groove
Upper end 620a drives second instrument part 71 to rotate, and makes 41 energy storage of the second energy storing members, after rotating-table apparatus 6a turns over the second critical point,
Second energy storing members 41 release energy, pass through second instrument part 71 and transmission gear 6 is pushed to accelerate rotation, transmission gear 6 drives moving contact to fill
1 acceleration rotation is set, converts the conducting second source of trigger device 1 and load, automatic change-over to bifurcation state, meanwhile,
Second instrument part 71 moves at the second arc groove lower end 621a, and due to the rotation of rotating-table apparatus 6a, first instrument part 72 by with
First arc groove upper end 630a cooperation becomes cooperating with the first arc groove lower end 631a.
Preferably, as shown in Figure 1, the stored energy mechanism further includes motor 8, motor 8 is connected with rotating-table apparatus 6a driving, is
Rotating-table apparatus 6a provides the external force of its rotation of driving.
Preferably, as shown in fig. 6, the rotating-table apparatus 6a includes the first turntable 60a and the second turntable 61a, the first turntable
60a and the first turntable 61a structure is identical and Parallel Symmetric is arranged, the first turntable 60a and the second turntable 61a include the first circular arc
Slot 63a and the second arc groove 621a, the first arc groove 63a and the second arc groove 62a is symmetrically distributed in the rotation of rotating-table apparatus 6a
Center two sides.Further, as shown in fig. 6, the first turntable 60a and the second center turntable 61a be equipped with for
Motor 8 connected turntable connecting hole 64a, the first arc groove 63a and the second arc groove 62a are symmetrically distributed in turntable connecting hole 64a
Two sides.Further, the first arc groove 63a, the second arc groove 62a, the first turntable 60a, the second turntable 61a concentric.
Further, as shown in fig. 6, the first disk 60a and the second disk 61a are connected with each other by turntable fixed link 65a.
Preferably, direction as shown in Figure 6, the first arc groove 63a and the second arc groove 62a are arranged at the first turntable
The lower half portion of 60a or the second turntable 61a.
Preferably, the first instrument part 72 is identical with the structure of second instrument part 71.
Specifically, as shown in fig. 7, first instrument part 72 and second instrument part 71 include the instrument part first being sequentially connected
End 702, instrument part main body 701 and instrument part second end 703.Further, as shown in fig. 7, the instrument part first end 702
Outer diameter=instrument part second end 703 outer diameter<instrument part main body 701 outer diameter, outer diameter>first circular arc of instrument part main body 701
The width of slot 63a, the outer diameter of instrument part first end 702 match cooperation, instrument part main body 701 with the width of the first arc groove 63a
For being arranged in the first turntable 60a and the second turntable 61a.Further, the width of the first arc groove 63a is slightly larger than instrument
The width of table part first end 702, for the purpose of being slided freely in the first arc groove 63a by instrument part first end 702.Into one
Step, as shown in fig. 7, being equipped with energy storing members connecting hole 704 in the middle part of the free end of the instrument part first end 702, it is used for and first
First torsional spring inner arm bending 423 of energy storing members 42 or the second torsional spring inner arm bending 414 of the second energy storing members 41 are connected.
As in Figure 2-4, the first instrument part 72, instrument part first end 702 and instrument part second end 703 are set respectively
It sets in the first arc groove 63a of the first turntable 60a and in the first arc groove 63a of the second turntable 61a, and instrument part first end
702 are connected with the first torsional spring inner arm bending 423 of the first energy storing members 42, the limit of instrument part main body 701 in the first turntable 60a and
Between second turntable 61a；The second instrument part 71, instrument part first end 702 and instrument part second end 703 are separately positioned on
In the second arc groove 63a of first turntable 60a and in the second arc groove 63a of the second turntable 61a, and instrument part first end 702
It is connected with the second torsional spring inner arm bending 414 of the second energy storing members 41, the limit of instrument part main body 701 is in the first turntable 60a and the
Between two turntable 61a.
Preferably, as shown in Figs. 1-5, the transmission gear 6 and 1 coaxial linkage of trigger device, transmission gear 6 include the
Three-arc slot 62 and the 4th arc groove 61, third arc groove 62 and the 4th arc groove 61 are symmetrically distributed in the rotation of transmission gear 6
Center two sides, third arc groove 62 is identical as the first arc groove 63a structure of rotating-table apparatus 6a and Parallel Symmetric is arranged, the 4th circle
Arc slot 61 is identical as the second arc groove 62a structure and Parallel Symmetric is arranged, and third arc groove 62 includes being separately positioned on its both ends
Third arc groove lower end 621 and third arc groove upper end 620, the 4th arc groove 61 include be separately positioned on the 4th of its both ends
Arc groove lower end 611 and the 4th arc groove upper end 610,72 one end of first instrument part pass through third arc groove 62 and the first energy storing members
42 one end are connected, and 71 one end of second instrument part passes through the 4th arc groove 61 and is connected with the second energy storing members 41.Specifically, such as Fig. 2-4
Shown, the instrument part first end 702 of the first instrument part 72 passes through third arc groove 62 and is connected with the first energy storing members 42, and second
The instrument part first end 702 of instrument part 71 passes through the 4th arc groove 61 and is connected with the second energy storing members 41, and the of third arc groove 62
Three-arc slot lower end 621, third arc groove upper end 620 respectively with the first arc groove lower end 631a of the first arc groove 63a, first
Arc groove upper end 630a is correspondingly arranged, the 4th arc groove lower end 611 of the 4th arc groove 61, the 4th arc groove upper end 610 difference
It is correspondingly arranged with the second arc groove lower end 621a, the second arc groove upper end 620a of the second arc groove 62a.
Preferably, the transmission gear 6 is connected with trigger device 1 by the first transmission shaft, is arranged in the middle part of transmission gear 6
Gear shaft holes 63, gear shaft holes 63 and the first transmission shaft cooperate.
As shown in Fig. 2,3,9 and 10, when the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a to
First power supply conducting direction R1 rotation, the first arc groove lower end 631a drive first instrument part 72 to rotate, make the first energy storing members 42
Energy storage, after rotating-table apparatus 6a turns over the first critical point, the first energy storing members 42 release energy, pass through first instrument part 72 and push third circular arc
Slot upper end 620, makes transmission gear 6 accelerate rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device 1
The first power supply and load is connected, automatic change-over is converted to the first power supply on state, while second instrument part 71 from second
Arc groove lower end 621a slides into the second arc groove upper end 620a, and outer power drive rotating-table apparatus 6a is to second source conducting direction R2
Rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state.
As shown in Fig. 2,4,9 and 11, when the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus 6a to
Second source conducting direction R2 rotation, the second arc groove lower end 621a drive second instrument part 71 to rotate, make the second energy storing members 41
Energy storage, after rotating-table apparatus 6a turns over the second critical point, the second energy storing members 41 release energy, pass through second instrument part 71 and push the 4th circle
Arc slot upper end 610, makes transmission gear 6 accelerate rotation, and transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device
1 conducting second source and load, automatic change-over are converted to second source on state, while first instrument part 72 from first
Arc groove lower end 631a slides into the first arc groove upper end 630a, and outer power drive rotating-table apparatus 6a is to the first power supply conducting direction R1
Rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state.
Preferably, as shown in Figure 1, the stored energy mechanism further includes manual shaft, manual shaft includes driving rack 5, driving cog
Item 5 is connected with the driving of transmission gear 6, for driving transmission gear 6 to rotate.
As shown in Fig. 2,3,9,10, when the automatic change-over is in bifurcation state, manual shaft is operated, driving rack is made
5 driving transmission gears 6 are rotated to the first power supply conducting direction R1, and third arc groove lower end 621 drives first instrument part 72 to rotate,
Make 42 energy storage of the first energy storing members, after transmission gear 6 turns over the first critical point, the first energy storing members 42 release energy, pass through first instrument
Part 72 pushes third arc groove upper end 620 and the first arc groove upper end 630a, and transmission gear 6 and rotating-table apparatus 6a is made to accelerate to turn
Dynamic, transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device 1 that the first power supply and load, automatic conversion be connected
Switch conversion is to the first power supply on state, while second instrument part 71 slides into the 4th circular arc from the 4th arc groove lower end 611
Slot upper end 610, operates manual shaft again, makes driving rack 5 that transmission gear 6 be driven to rotate to second source conducting direction R2, warp
The inverse process for crossing above-mentioned action process converts automatic change-over to bifurcation state.
It should be pointed out that described " operate manual shaft again, make driving rack 5 that transmission gear 6 be driven to lead to second source
Logical direction R2 rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state " refer to institute
It states automatic change-over to be converted by bifurcation state to the first power supply on state, operates manual shaft, pass the driving of driving rack 5
Moving gear 6 is rotated to second source conducting direction R2, and third arc groove upper end 620 drives first instrument part 71 to rotate, and makes first
42 energy storage of energy storing members, after transmission gear 6 turns over the first critical point, the first energy storing members 42 release energy, are pushed away by first instrument part 72
Dynamic third arc groove lower end 621 and the first arc groove lower end 631a make transmission gear 6 and rotating-table apparatus 6a accelerate rotation, transmission
Gear 6 drives trigger device 1 to accelerate rotation, makes 1 the first power supply of disjunction of trigger device and load, automatic change-over conversion
To bifurcation state, while second instrument part 71 slides into the 4th arc groove lower end 611 from the 4th arc groove upper end 610.
As shown in Fig. 2,4,9,11, when the automatic change-over is in bifurcation state, manual shaft is operated, driving rack is made
5 driving transmission gears 6 are rotated to second source conducting direction R2, and the 4th arc groove lower end 611 drives second instrument part 71 to rotate,
Make 41 energy storage of the second energy storing members, after transmission gear 6 turns over the second critical point, the second energy storing members 41 release energy, pass through second instrument
Part 71 pushes the 4th arc groove upper end 610 and the second arc groove upper end 620a, and transmission gear 6 and rotating-table apparatus 6a is made to accelerate to turn
Dynamic, transmission gear 6 drives trigger device 1 to accelerate rotation, makes trigger device 1 that second source and load, automatic conversion be connected
Switch conversion operates manual shaft again, transmission gear 5 is made to drive transmission gear 6 to the first power supply to second source on state
Conducting direction R1 rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state.
It should be pointed out that described " operate manual shaft again, make transmission gear 5 that transmission gear 6 be driven to lead to the first power supply
Logical direction R1 rotation, by the inverse process of above-mentioned action process, converts automatic change-over to bifurcation state " refer to institute
It states automatic change-over to be converted by bifurcation state to second source on state, operates manual shaft again, drive transmission gear 5
Nutating gear 6 is rotated to the first power supply conducting direction R1, and the 4th arc groove upper end 610 drives second instrument part 71 to rotate, and is made
Second energy storing members, 41 energy storage, after transmission gear 6 turns over the second critical point, the second energy storing members 41 release energy, pass through second instrument part
71 push the 4th arc groove lower end 611 and the second arc groove lower end 621a, and transmission gear 6 and rotating-table apparatus 6a is made to accelerate rotation,
Transmission gear 6 drives trigger device 1 to accelerate rotation, makes 1 disjunction second source of trigger device and load, automatic change-over
It converts to bifurcation state, while first instrument part 72 slides into third arc groove lower end 621 by third arc groove upper end 620.
As shown in Figure 10, the load end contact 2 is located at 1 side of trigger device, the electricity of the first power contact head 2a and second
Source contact 2b is respectively positioned on the other side of trigger device 1, the first power contact head 2a and the setting of second source contact 2b relative spacing.
Specifically, direction as shown in Figure 9, the load end contact 2 is located at 1 left side of trigger device, the first power contact head 2a and second
Power contact head 2b is respectively positioned on 1 right side of trigger device, and second source contact 2b is located above the first power contact head 2a and the two phase
To setting.
Preferably, as shown in figure 9, the load end contact 2 includes the load end contact knife 23 that one end is arranged in, the first electricity
Source contact 2a includes the first power supply contact knife 21a that one end is arranged in, and second source contact 2b includes that one end is arranged in
Two power supply contact knife 21b.Further, as shown in figure 9, the load end contact knife 23 includes symmetrical spaced first load end
Contact knife 230 and the second load end contact knife 231.Specifically, as shown in figure 9, the load end static contact 2 includes load end terminal plate
20, the load end connecting plate 21 being connected with 20 right angle of load end terminal plate and the load being arranged on the right side of load end connecting plate 21
Contact knife 23 is held, load end contact knife 23 includes the first load end contact knife 230 and the second load end contact knife 231, the first load end contact knife
230 are arranged above the second load end contact knife 231, and the two is symmetrical arranged；The first power contact head 2a includes the first power supply
Terminal plate 20a and the first power supply contact knife 21a, the first power supply contact knife 21a be arranged on the upside of the first left end power patch panel 20a and with
Its right angle is connected；The second source contact 2b includes second source terminal plate 20b and second source contact knife 21b, second source
Contact knife 21b is arranged on the downside of the left end second source terminal plate 20b.
Preferably, as shown in figure 9, the trigger device 1 includes that contact supports 10 and at least one set of moving contact 11, often
Group moving contact 11 is inserted into contact and supports on 10, and both ends protrude support that every group of 10 two sides moving contact 11 includes in contact respectively
Two moving contacts 11, two moving contacts 11 are arranged side by side and parallel to each other, every group of moving contact 11 with a load end contact 2,
One the first power contact head 2a, a second source contact 2b are used cooperatively.As shown in Figure 10, the automatic change-over conversion
When to the first power supply on state, the first load end contact knife 230 is inserted into two moving contacts 11 of same group 11 one end of moving contact
Between and be connected respectively with the two moving contacts 11, the first power supply contact knife 21a is inserted into two of 11 other end of moving contact of the group
It is connected between moving contact 11 and respectively with the two moving contacts 11.As shown in figure 11, the automatic change-over is in the second electricity
When the on state of source, the second load end contact knife 231 be inserted into two moving contacts 11 of same group 11 one end of moving contact one end it
Between and be connected respectively with the two moving contacts 11, second source contact knife 21b is inserted into two of 11 other end of this group of moving contact dynamic touchings
It is connected between first 11 and respectively with the two moving contacts 11.
It should be pointed out that the automatic change-over is converted by bifurcation state to the first power supply on state or the second electricity
When the on state of source: can occur to slide relatively between moving contact 11 and load end contact knife 23, moving contact 11 and the first power supply contact knife
Can occur between 21a it is opposite slide or moving contact 11 and second source contact knife 21b between can occur it is opposite slide, make the present invention
Three section automatic change-overs have automatic cleaning action, be conducive to connecing for the automatic change-over for improving three sections of the invention
Logical/breaking capacity.
Preferably, as shown in FIG. 10 and 11, the moving contact 11 and second source on state under the first power supply on state
Under moving contact at X-type cross.
It preferably, as shown in figure 12, is one embodiment of trigger device 1 of the present invention.
The trigger device 1 includes that contact supports 10, moving contact 11 and spring leaf 12, contact to support 10 to be equipped at least
One group of moving contact mounting hole 13, every group of moving contact mounting hole 13 include the moving contact mounting hole 13 of two spacing side by side setting, often
Be equipped with a moving contact 11 and a spring leaf 12 in a moving contact mounting hole 13, the both ends of spring leaf 12 respectively with moving contact 11
Both ends be connected, middle part is connected with the side wall of moving contact mounting hole 13, moving contact 11 is pressed in moving contact mounting hole 13, and
The both ends of moving contact 11 are prominent on the outside of 13 two sides of moving contact mounting hole；It is dynamic with two of same group of moving contact mounting hole 13 cooperation
Contact 11 and two spring leafs 12, two moving contacts 11 are located between two spring leafs 12.
Preferably, the side wall of the moving contact mounting hole 13 is equipped with spring leaf fixed column, is equipped with bullet in the middle part of spring leaf 12
Reed fixation hole, spring leaf fixed column are inserted into spring leaf fixation hole.
Preferably, as shown in figure 11, the moving contact pilot hole 13 is biased in the rotation center side that contact supports 10.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of automatic change-over of three sections, which is characterized in that it includes stored energy operating mechanism and trigger device (1),
Stored energy mechanism includes the first energy storing members (42), the second energy storing members (41), transmission gear (6) and rotating-table apparatus (6a), the first energy storage
Part (42) and the second energy storing members (41) are connected with rotating-table apparatus (6a) respectively, and the first energy storing members (42) and the second energy storing members (41)
It is connected respectively with transmission gear (6) driving, transmission gear (6) is connected with trigger device (1) driving；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) turns to the first power supply conducting direction R1
It is dynamic, make the first energy storing members (42) energy storage, after rotating-table apparatus (6a) turns over the first critical point, the first energy storing members (42) release energy, drive
Nutating gear (6) accelerates rotation, and transmission gear (6) driving trigger device (1) accelerates the first power supply of conducting to make automatic conversion
Switch conversion is to the first power supply on state；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) to the first power supply conducting direction R1
Opposite second source conducting direction R2 rotation, makes the second energy storing members (41) energy storage, when to turn over second critical for rotating-table apparatus (6a)
After point, the second energy storing members (41) release energy, and driving transmission gear (6) accelerates rotation, and transmission gear (6) drives trigger device (1)
Conducting second source is accelerated to convert automatic change-over to second source on state.
2. the automatic change-over of three section according to claim 1, it is characterised in that: the automatic change-over is in
When the first power supply on state, outer power drive rotating-table apparatus (6a) makes the first energy storing members to second source conducting direction R2 rotation
(42) energy storage, after rotating-table apparatus (6a) turns over the first critical point, the first energy storing members (42), which are released, can and drive transmission gear (6) to accelerate
Rotation, transmission gear (6) driving trigger device (1) acceleration the first power supply of disjunction convert automatic change-over to double and divide shape
State；
When the automatic change-over is in second source on state, outer power drive rotating-table apparatus (6a) is connected to the first power supply
R1 rotation in direction makes the second energy storing members (41) energy storage, and after rotating-table apparatus (6a) turns over the second critical point, the second energy storing members (41) are released
Transmission gear (6) can and be driven to accelerate rotation, transmission gear (6) driving trigger device (1) accelerates disjunction second source to make certainly
Turn changes switch conversion to bifurcation state.
3. the automatic change-over of three section according to claim 1, it is characterised in that: further include with load be connected bear
Carry end contact (2), the first power contact head (2a) being connected with the first power supply and the second source contact being connected with second source
(2b)；Under first power supply on state, trigger device (1) respectively with load end contact (2), the first power contact head (2a) phase
Even, under second source on state, trigger device (1) is connected with load end contact (2), second source contact (2b) respectively.
4. the automatic change-over of three section according to claim 1, it is characterised in that: first energy storing members (42) are
First torsional spring, the fixed setting of the first one end of torsional spring, the other end are connected with rotating-table apparatus (6a), and the second energy storing members (41) are the second torsion
Spring, the fixed setting of the second one end of torsional spring, the other end are connected with rotating-table apparatus (6a), and the first torsional spring and the second torsional spring are separately positioned on
The two sides of rotating-table apparatus (6a).
5. the automatic change-over of three section according to claim 4, it is characterised in that: further include first instrument part (72)
With second instrument part (71), rotating-table apparatus (6a) includes the first arc groove (63a) and the second arc groove (62a), the first arc groove
(63a) and the second arc groove (62a) are symmetrically distributed in the rotation center two sides of rotating-table apparatus (6a), the first arc groove (63a) packet
Include the first arc groove lower end (631a) and the first arc groove upper end (630a) for being separately positioned on its both ends, first instrument part (72)
Setting is in the first arc groove (63a) and one end is connected with the first energy storing members (42) one end, and the second arc groove (62a) includes difference
The second arc groove lower end (621a) and the second arc groove upper end (620a) at its both ends are set, and second instrument part (71) setting exists
In second arc groove (62a) and one end is connected with the second energy storing members (41) one end；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) turns to the first power supply conducting direction R1
Dynamic, the first arc groove lower end (631a) drives first instrument part (72) rotation, makes the first energy storing members (42) energy storage, rotating-table apparatus
After (6a) turns over the first critical point, the first energy storing members (42), which are released, can drive first instrument part (72) in the first arc groove (63a)
Sliding pushes transmission gear (6) to accelerate rotation by first instrument part (72), and trigger device (1) is made to accelerate the first electricity of conducting
Source, while first instrument part (72) moves at the first arc groove upper end (630a), and the rotation of rotating-table apparatus (6a) makes the second circle
Arc slot upper end (620a) turns at second instrument part (71)；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) turns to second source conducting direction R2
Dynamic, the second arc groove lower end (621a) drives second instrument part (71) rotation, makes the second energy storing members (41) energy storage, works as rotating-table apparatus
After (6a) turns over the second critical point, the second energy storing members (41), which are released, can drive second instrument part 71 to slide in the second arc groove 62a,
Transmission gear 6 is pushed to accelerate rotation by second instrument part (71), rotating-table apparatus (6a) drives trigger device (1) to accelerate conducting
Second source, while second instrument part (71) moves at the second arc groove upper end (620a), and the rotation of rotating-table apparatus (6a) makes
First arc groove upper end (630a) turns at first instrument part (72).
6. the automatic change-over of three section according to claim 5, it is characterised in that: transmission gear (6) setting
Between trigger device (1) and rotating-table apparatus (6a), transmission gear (6) and trigger device (1) coaxial linkage, transmission gear
It (6) include third arc groove (62) and the 4th arc groove (61), third arc groove (62) and the 4th arc groove (61) are symmetrical
In the rotation center two sides of transmission gear (6), third arc groove (62) is identical as the first arc groove (63a) structure and Parallel Symmetric
Setting, the 4th arc groove (61) is identical as the second arc groove (62a) structure and Parallel Symmetric is arranged, and third arc groove (62) includes
It is separately positioned on the third arc groove lower end (621) and third arc groove upper end (620) at its both ends, the 4th arc groove (61) includes
It is separately positioned on the 4th arc groove lower end (611) and the 4th arc groove upper end (610) at its both ends, first instrument part (72) one end
It is connected across third arc groove (62) with the first energy storing members (42) one end, second instrument part (71) one end passes through the 4th arc groove
(61) it is connected with the second energy storing members (41) one end；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) turns to the first power supply conducting direction R1
Dynamic, the first arc groove lower end (631a) drives first instrument part (72) rotation, makes the first energy storing members (42) energy storage, rotating-table apparatus
After (6a) turns over the first critical point, the first energy storing members (42), which are released, can drive first instrument part (72) in the first arc groove (63a)
Sliding pushes third arc groove upper end (620) by first instrument part (72), so that transmission gear (6) is accelerated rotation, make moving contact
Device (1) accelerates the first power supply of conducting, while first instrument part (72) moves at the first arc groove upper end (630a), and turntable fills
The rotation for setting (6a) turns to the second arc groove upper end (620a) at second instrument part (71)；
When the automatic change-over is in bifurcation state, outer power drive rotating-table apparatus (6a) turns to second source conducting direction R2
Dynamic, the second arc groove lower end (621a) drives second instrument part (71) rotation, makes the second energy storing members (41) energy storage, works as rotating-table apparatus
After (6a) turns over the second critical point, the second energy storing members (41), which are released, can drive second instrument part 71 to slide in the second arc groove 62a,
The 4th arc groove upper end (610) is pushed by second instrument part (71), transmission gear 6 is made to accelerate rotation, rotating-table apparatus (6a) drives
Dynamic trigger device (1) accelerates conducting second source, while second instrument part (71) moves at the second arc groove upper end (620a),
And the rotation of rotating-table apparatus (6a) turns to the first arc groove upper end (630a) at first instrument part (72).
7. the automatic change-over of three section according to claim 6, it is characterised in that: the stored energy mechanism further includes hand
Dynamic handle, manual shaft include driving rack (5), and driving rack (5) is connected with transmission gear (6) driving；
When the automatic change-over is in bifurcation state, operate manual shaft, make driving rack (5) driving transmission gear (6) to
First power supply conducting direction R1 rotation, third arc groove lower end (621) drive first instrument part (72) rotation, make the first energy storing members
(42) energy storage, after transmission gear (6) turns over the first critical point, the first energy storing members (42) release energy, pass through first instrument part (72)
It pushes third arc groove upper end (620), transmission gear (6) is made to accelerate rotation, transmission gear (6) drives trigger device (1) to add
Speed rotation makes trigger device (1) that the first power supply is connected and load, automatic change-over is converted to the first power supply on state,
Second instrument part (71) slides into the 4th arc groove upper end (610) from the 4th arc groove lower end (611) simultaneously, and operation is manual again
Handle rotates driving rack (5) driving transmission gear (6) to second source conducting direction R2, by the inverse of above-mentioned action process
Process converts automatic change-over to bifurcation state；
When the automatic change-over is in bifurcation state, manual shaft is operated, driving rack (5) drives transmission gear (6) to the
Two power supply conducting direction R2 rotation, the 4th arc groove lower end (611) drive second instrument part (71) rotation, make the second energy storing members
(41) energy storage, after transmission gear (6) turns over the second critical point, the second energy storing members (41) release energy, pass through second instrument part (71)
The 4th arc groove upper end (610) is pushed, transmission gear (6) is made to accelerate rotation, transmission gear (6) drives trigger device (1) to add
Speed rotation converts trigger device (1) conducting second source and load, automatic change-over to second source on state,
First instrument part (72) slides into third arc groove upper end (620) from third arc groove lower end (621) simultaneously, and operation is manual again
Handle rotates transmission gear (5) driving transmission gear (6) to the first power supply conducting direction R1, by the inverse of above-mentioned action process
Process converts automatic change-over to bifurcation state.
8. the automatic change-over of three sections according to claim 1 or 5, it is characterised in that: the stored energy mechanism also wraps
It includes motor (8), motor (8) is connected with rotating-table apparatus (6a) driving, provides the external force of its rotation of driving for rotating-table apparatus (6a).
9. the automatic change-over of three section according to claim 6, it is characterised in that: the transmission gear (6) with turn
Disk device (6a) coaxial linkage.
10. the automatic change-over of three section according to claim 2, it is characterised in that: load end contact (2) position
In trigger device (1) side, it is another that the first power contact head (2a) and second source contact (2b) are respectively positioned on trigger device (1)
Side, the first power contact head (2a) and the setting of second source contact (2b) relative spacing, trigger device (1) include that contact is supported
(10) and moving contact (11), moving contact (11) is inserted into that contact is supported on (10) and protrusion is being touched respectively at the both ends of moving contact (11)
Head supports (10) two sides；
Under bifurcation state, moving contact (11) one end is located between load end contact (2) and the first power contact head (2a), the other end
Between load end contact (2) and second source contact (2b)；Under the first power supply on state, moving contact (11) both ends point
It is not connected with load end contact (2), the first power contact head (2a)；Under second source on state, moving contact (11) both ends point
It is not connected with load end contact (2), second source contact (2b)；Moving contact (11) and the second electricity under first power supply on state
Moving contact (11) under the on state of source is at X-type cross.
The trigger device (1) includes that contact supports (10) and at least one set of moving contact (11), every group of moving contact (11) equal
It is inserted into contact support (10) and both ends protrudes support (10) two sides in contact respectively, every group of moving contact (11) includes two dynamic
Contact (11), two moving contacts (11) are arranged side by side and parallel to each other, every group of moving contact (11) and a load end contact (2),
One the first power contact head (2a), a second source contact (2b) are used cooperatively；The load end contact (2) includes that setting exists
The load end contact knife (23) of one end, the first power contact head (2a) they include the first power supply contact knife (21a) that one end is arranged in, the
Two power contact heads (2b) include the second source contact knife (21b) that one end is arranged in；
When the automatic change-over is converted to the first power supply on state, load end contact knife (23) is inserted into one group of moving contact (11)
It is connected between two moving contacts (11) of one end and respectively with the two moving contacts (11), the insertion of the first power supply contact knife (21a) should
It is connected between two moving contacts (11) of group moving contact (11) other end and with the two moving contacts (11) respectively；It is described from turn
When changing switch conversion to second source on state, load end contact knife (23) is inserted into two dynamic touchings of one group of moving contact (11) one end
It is connected between head (11) and with the two moving contacts (11) respectively, it is another that second source contact knife (21b) is inserted into this group of moving contact (11)
It is connected between two moving contacts (11) of one end and respectively with the two moving contacts (11).
The load end contact knife (23) includes symmetrical spaced first load end contact knife (230) and the second load end contact knife
(231)；Under first power supply on state, the first load end contact knife (230), moving contact (11) and the first power supply contact knife (21a) according to
It is secondary be connected, under second source on state, the second load end contact knife (231), moving contact (11) and second source contact knife (21b) according to
It is secondary to be connected.
The trigger device (1) includes that contact supports (10), moving contact (11) and spring leaf (12), contact to support to set on (10)
There is at least one set of moving contact mounting hole (13), every group of moving contact mounting hole (13) includes the moving contact peace of two spacing side by side settings
It fills hole (13), a moving contact (11) and a spring leaf (12), spring leaf (12) is equipped in each moving contact mounting hole (13)
Both ends be connected respectively with the both ends of moving contact (11), middle part is connected with the side wall of moving contact mounting hole (13), by moving contact
(11) it is pressed in moving contact mounting hole (13), and the both ends of moving contact (11) are prominent outside moving contact mounting hole (13) two sides
Side；With two moving contacts (11) and two spring leafs (12) of the cooperation of same group of moving contact mounting hole (13), two moving contacts
(11) it is located between two spring leafs (12).
It further include switch base (1a), the first fixing piece (32) and the second fixing piece (31), the first fixing piece (32) and second are consolidated
Determining part (31), on switch base (1a), the first one end of torsional spring is fixed on by the first fixing piece (32) for dismountable setting respectively
In switch base (1a), the other end is connected with rotating-table apparatus (6a), and the second one end of torsional spring is fixed on by the second fixing piece (31)
In switch base (1a), the other end is connected with rotating-table apparatus (6a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035735.0A CN109786146A (en) | 2019-01-15 | 2019-01-15 | Three section automatic change-overs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035735.0A CN109786146A (en) | 2019-01-15 | 2019-01-15 | Three section automatic change-overs |
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| CN109786146A true CN109786146A (en) | 2019-05-21 |
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ID=66499402
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035735.0A Pending CN109786146A (en) | 2019-01-15 | 2019-01-15 | Three section automatic change-overs |
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| CN (1) | CN109786146A (en) |
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