CN103366978B - A kind of electrical source on-off switching mechanism - Google Patents
A kind of electrical source on-off switching mechanism Download PDFInfo
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- CN103366978B CN103366978B CN201210083647.6A CN201210083647A CN103366978B CN 103366978 B CN103366978 B CN 103366978B CN 201210083647 A CN201210083647 A CN 201210083647A CN 103366978 B CN103366978 B CN 103366978B
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Abstract
The present invention relates to a kind of electrical source on-off switching mechanism, this electrical source on-off switching mechanism at least comprises a changeover module; Changeover module comprises casing and is arranged on the Control Shaft in casing, and Control Shaft is provided with driving gear; Also comprise working shaft, working shaft is arranged with driven gear, have certain anglec of rotation gap between driven gear and working shaft, driven gear is connected with energy-stored spring; Driving gear and driven gear are meshed, and driving gear and driven gear are fan-shaped bevel gear; Changeover module has 0 and I position two states, when changeover module by 0 in the transfer process of I position, Control Shaft drives driving gear to rotate, driven gear first rotates relative to working shaft and makes energy-stored spring generation elastic deformation and energy storage under the driving of driving gear, after anglec of rotation gap is decreased to zero gradually, energy-stored spring release energy storage promotes driven gear and rotates, and driven gear drives working shaft to rotate together.The transmission efficiency of this electrical source on-off switching mechanism is high, and cost is low.
Description
Technical field
The present invention relates to mains switch, more particularly, relate to a kind of electrical source on-off switching mechanism.
Background technology
The switching mechanism of existing mains switch, such as Twin-power swich mechanism, most employing linkage, shifting fork mechanism etc., there is mechanism driving efficiency low, or requirement on machining accuracy is high causes the shortcomings such as manufacturing cost is high, the working life of this electrical source on-off switching mechanism is also undesirable, needs often to safeguard replacing.In addition, after switch disjunction terminates, moving contact can rebound, and the risk caused due to the bounce-back of moving contact can not be eliminated mostly completely by existing Twin-power swich mechanism.
Summary of the invention
The technical problem to be solved in the present invention is, for prior art electrical source on-off switching mechanism existing for the defect that above-mentioned transmission efficiency is low, cost is high, the electrical source on-off switching mechanism that a kind of transmission efficiency is high, cost is low is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of electrical source on-off switching mechanism, and described electrical source on-off switching mechanism at least comprises one first changeover module;
Described first changeover module comprises the first casing and is arranged on the first Control Shaft in the first casing, and described first Control Shaft is provided with the first driving gear, described first Control Shaft and the first driving gear synchronous axial system;
Described first changeover module also comprises the first working shaft be arranged in the first casing, described first working shaft is arranged with the first driven gear, have the first anglec of rotation gap between described first driven gear and the first working shaft, described first driven gear is connected with the first energy-stored spring;
Described first driving gear and the first driven gear are meshed, and described first driving gear and described first driven gear are fan-shaped bevel gear;
Described first changeover module has 0 and I two states, when described first changeover module is by 0 to I transfer process, described first driven gear first rotates relative to the first working shaft and makes the first energy-stored spring generation elastic deformation and energy storage under the driving of the first driving gear, after described first anglec of rotation gap is decreased to zero gradually, described first energy-stored spring release energy storage promotes described first driven gear and rotates, described first driven gear drives described first working shaft to rotate together, described first working shaft has the first convex key of one or two symmetry, first keyway of one or two symmetry that what described first driven gear was corresponding be provided with, the radian that described first convex key extends along the first working shaft circumference is less than described first keyway radian circumferentially.
In electrical source on-off switching mechanism of the present invention, the first stop block is slidably connected in described first casing, the first flexible member is provided with between described first stop block and the first casing, described first stop block has just to the first position-arresting groove of described first working shaft, described first working shaft has the first projection coordinated with described first position-arresting groove, when described first changeover module is in 0, described first projection inserts in described first position-arresting groove.
In electrical source on-off switching mechanism of the present invention, described first driven gear is provided with the first pushing block, described first stop block has the first arc convex coordinated with described first pushing block, when described first changeover module is by 0 to I conversion, in the process of rotating relative to the first working shaft at described first driven gear, described first arc convex of described first pushing block extruding, described first stop block is away from described first working shaft thus described first projection is deviate from by described first position-arresting groove.
In electrical source on-off switching mechanism of the present invention, the end face being positioned at the part of described first position-arresting groove both sides of described first stop block is inclined-plane or cambered surface, when described first changeover module is by I to 0 conversion, described first projection extrudes described inclined-plane or cambered surface makes the first stop block move down, after described first projection crosses described inclined-plane or cambered surface, described first projection inserts in described first position-arresting groove.
In electrical source on-off switching mechanism of the present invention, the periphery of described first driven gear is provided with the first energy-stored spring connecting portion, and the first end of described first energy-stored spring is connected with described first energy-stored spring connecting portion, and the second end is connected with described first casing.
In electrical source on-off switching mechanism of the present invention, the periphery of described first driven gear is provided with two the first symmetrical energy-stored spring connecting portions, each described first energy-stored spring connecting portion connects described first energy-stored spring, two spacing inclined-planes corresponding with described first energy-stored spring connecting portion are provided with in described first casing, when described first changeover module is in I, first energy-stored spring connecting portion described in one of them is resisted against on one of them spacing inclined-plane, when described first changeover module is in 0, energy-stored spring connecting portion described in another is resisted against on another spacing inclined-plane.
In electrical source on-off switching mechanism of the present invention, the second end of described first energy-stored spring is provided with the first spring catch.
In electrical source on-off switching mechanism of the present invention, described electrical source on-off switching mechanism also comprises the second changeover module be positioned at below described first changeover module;
Described second changeover module comprises the second casing and is arranged on the second Control Shaft in the second casing, described second Control Shaft is provided with the second driving gear, described second Control Shaft and the second driving gear synchronous axial system, described second Control Shaft is connected and synchronous axial system by connecting axle with described first Control Shaft;
Described second changeover module also comprises the second working shaft be arranged in the second casing, described second working shaft is arranged with the second driven gear, have the second certain anglec of rotation gap between described second driven gear and the second working shaft, described second driven gear is connected with the second energy-stored spring;
Described second driving gear and the second driven gear are meshed, and described second driving gear and described second driven gear are fan-shaped bevel gear;
Described second changeover module has 0 and II two states, when described second changeover module is by 0 to II transfer process, described second driven gear first rotates relative to the second working shaft and makes the second energy-stored spring generation elastic deformation and energy storage under the driving of the second driving gear, after described second anglec of rotation gap is decreased to zero gradually, described second energy-stored spring release energy storage promotes described second driven gear and rotates, and described second driven gear drives described second working shaft to rotate together;
Described first changeover module and the second changeover module are in 0 simultaneously, and when described first changeover module switches to I position by 0, the second driving gear of described second changeover module departs from the second driven gear and engages; When described second changeover module switches by 0 to II, the first driving gear of described first changeover module and the first driven gear depart from engagement.
In electrical source on-off switching mechanism of the present invention, the second stop block is slidably connected in described second casing, between described second stop block and the second casing, there is the second flexible member, described second stop block has just to the second position-arresting groove of described second working shaft, described second working shaft has the second projection coordinated with described second position-arresting groove, when described second changeover module is in 0, described second projection inserts in described second position-arresting groove.
Implement electrical source on-off switching mechanism of the present invention, there is following beneficial effect: electrical source on-off switching mechanism of the present invention adopts gear drive, and transmission efficiency is high; The structure of parts is simple, and requirement on machining accuracy is not high, low cost of manufacture; Mechanism operates steadily, and working life is high; The crossing angle of Control Shaft and working shaft can by adjusting the alteration of form of driving gear and driven gear; Stop block can also be set up further, to limit working shaft bounce-back thus the bounce-back of the moving contact of limit switch.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic perspective view of the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 2 is the schematic perspective view of another angle of the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 3 is the schematic diagram of the internal structure of the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 4 is the schematic diagram of the preferred embodiment of electrical source on-off switching mechanism of the present invention when being in 0;
Fig. 5 is the schematic diagram of bit-stopping structure in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 6 is the schematic perspective view of the first driven gear in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 7 is the schematic perspective view of another angle of the first driven gear in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 8 is the schematic perspective view of the second driven gear in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Fig. 9 is the schematic perspective view of another angle of the second driven gear in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Figure 10 is the schematic perspective view of the first stop block in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Figure 11 is the schematic perspective view of another angle of the first stop block in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Figure 12 is the schematic perspective view of the first working shaft in the preferred embodiment of electrical source on-off switching mechanism of the present invention;
Figure 13 is the schematic perspective view of another angle of the first working shaft in the preferred embodiment of electrical source on-off switching mechanism of the present invention.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As depicted in figs. 1 and 2, be a preferred embodiment of electrical source on-off switching mechanism of the present invention, this embodiment is a pair of electrical source on-off switching mechanism.The changeover module that two covers that this Twin-power swich mechanism comprises stacked setting are similar to: the first changeover module 1 and the second changeover module 2, the existing concrete structure that two cover changeover modules are described for the first changeover module 1 emphatically.
Referring to Fig. 3 and Fig. 4, first changeover module 1 comprises the first casing 10, first casing 10 comprises the first half 101 and the latter half 102, the first Control Shaft 11 is provided with in the first casing 10, first Control Shaft 11 runs through the first casing 10, no matter can operate the first output shaft 11 from the upper end of the first Control Shaft 11 or lower end.First Control Shaft 11 is provided with the first driving gear 12, first Control Shaft 11 and the first driving gear 12 synchronous axial system.
First changeover module 1 also comprises the first working shaft 13 be arranged in the first casing 10, first working shaft 13 and the first Control Shaft 14 perpendicular, first working shaft 13 is closed or disconnection for driving power switch, and one end of the first working shaft 13 is stretched out the first casing 10 and is connected with mains switch.First working shaft 13 is arranged with between the first driven gear 14, first driven gear 14 and the first working shaft 13 and there is the first certain anglec of rotation gap 130.First working shaft 13 and the first driven gear 14 install location respectively separately in the first casing 10, and the two can matched in clearance, and axis of rotation is identical.
First driving gear 12 and the first driven gear 14 are meshed, first driving gear 12 and the first driven gear 14 are all fan-shaped bevel gear, and so-called fan-shaped bevel gear refers to a kind of gear structure only having bevel gear tooth, other part zerol bevel gear teeth on one section of camber line of outer peripheral gear.Because the first driving gear 12 and the first driven gear 14 are all fan-shaped bevel gears, engagement therebetween belongs to batch (-type) engagement.First driven gear 14 is connected with the first energy-stored spring 15, in the present embodiment, first energy-stored spring 15 has two, the first end of the first energy-stored spring 15 is connected on the first driven gear 14, second end is then connected on the first casing 10, and the second end of the first energy-stored spring 15 is provided with the first spring catch 151, is connected with the first casing 10 by the first spring catch 151, in fact the first energy-stored spring 15 also can directly be connected with casing 10, non-essential employing first spring catch 151.
In the present embodiment, the first changeover module 1 has 0 and I two states, and state shown in Fig. 3 and Fig. 4 is the state that the first changeover module 1 is in 0.By driving the first Control Shaft 13, the first changeover module 1 can be made to change between 0 and I position, at the first changeover module by 0 to I transfer process, first Control Shaft 11 drives the first driving gear 12 to rotate, in the present embodiment, rotation direction is counterclockwise, first rotate relative to the first working shaft 13 under the driving of the first driving gear 12 because the first driven gear 14 and the first working shaft have certain first anglec of rotation gap 130, first driven gear 14 and make the first energy-stored spring 15 that elastic deformation and energy storage occur.In the process of the first energy-stored spring 15 energy storage, the first working shaft 13 does not rotate all the time.Along with the rotation of the first driven gear 14, first anglec of rotation gap 130 is decreased to zero gradually, now the first energy-stored spring 15 completes energy storage, when the first driven gear 14 is rotated further, after making the position of the first energy-stored spring 15 to the power of the first driven gear 14 cross the axis of the first driven gear 14, first energy-stored spring 15 discharges energy storage to be promoted the first driven gear 14 and rotates, because the first anglec of rotation gap 130 now between the first driven gear 14 and the first working shaft 13 is that the zero, first driven gear 14 drives the first working shaft 13 quick rotation together.When the first changeover module 1 switches to 0 by I position, first Control Shaft 11 rotates clockwise, first driven gear 14 first rotates relative to the first working shaft 13 under the driving of the first driving gear 12, first energy-stored spring 15 energy storage by compressing, when the first anglec of rotation gap 130 vanishing of the first driven gear 14 and the first working shaft 13, first energy-stored spring 15 also completes energy storage, then the first energy-stored spring 15 discharge energy storage promote the first driven gear 14 drive the first working shaft 13 together quick rotation return to 0.
Referring to Fig. 4, Fig. 6, Fig. 7, Figure 12 and Figure 13, the first anglec of rotation gap 130 between first driven gear 14 and the first working shaft 13 is formed by the structure of the first driven gear 14 and the first working shaft 13, in the present embodiment, the periphery of the first working shaft 13 has the first convex key 131 of two axisymmetrical about the first working shaft 13, what the first driven gear 14 was corresponding be provided with two symmetrical the first keyways 141, the radian that first convex key 131 extends along the first working shaft 13 circumference is less than the first keyway 141 radian circumferentially, such first convex key 131 can slide in the first keyway 141, the first working shaft 13 and the first driven gear 14 is made to have the first certain anglec of rotation gap 130.It will be appreciated that, the radian in the first anglec of rotation gap can be selected according to actual needs, first convex key 131 also can only have one, but in order to ensure stress balance, preferably two, except above-mentioned concrete structure, convex key can also be established in the inner circumferential of the first driven gear 14, first working shaft 13 then arranges keyway, or adopts other suitable structures.
In order to avoid mains switch divides the kinetic energy of moving contact of having no progeny to cause moving contact seriously to rebound after the maximum position reaching switch disjunction, need the bounce-back by the rotation thus limit switch moving contact limiting the first working shaft 13, mains switch is the device that electrical source on-off switching mechanism of the present invention controls, do not belong to a part for electrical source on-off switching mechanism of the present invention, mains switch and moving contact thereof are in the accompanying drawings and not shown.Referring to Fig. 3 and Fig. 5, in the present embodiment, first changeover module 1 be limit the bounce-back of the first working shaft 13 by following structure, the first stop block 16 is slidably connected in the first casing 10, be provided with the first flexible member 17 between first stop block 16 and the first casing 10, limit the first working shaft bounce-back by the first stop block 16.Referring to Figure 10, Figure 11, Figure 12 and Figure 13, concrete, first stop block 16 has just to the first position-arresting groove 161 of the first working shaft 13, first working shaft 13 has the first projection 132 coordinated with the first position-arresting groove 161, when first changeover module 1 is in 0, first projection 132 inserts in the first position-arresting groove 161, thus the rotation of restriction the first working shaft 13.Owing to switching to 0 when the first changeover module by I position, or when switching to I position by 0, first working shaft 13 needs to rotate, therefore the first projection 132 also needs to deviate from from the first position-arresting groove 161, referring to Fig. 3, Fig. 5, Fig. 6, Figure 10 and Figure 11, first driven gear 14 is provided with the first pushing block 142, first stop block 16 has the first arc convex 162 coordinated with the first pushing block 142, when first changeover module 1 is by 0 to I conversion, in the process of rotating relative to the first working shaft 13 at the first driven gear 14, first pushing block 142 extrudes the first arc convex 162, first stop block 16 is away from the first working shaft 13 thus the first projection 132 is deviate from by the first position-arresting groove 161, first working shaft 13 can be rotated.When switching to 0 in order to make the first changeover module by I position, first projection 132 can enter into the first position-arresting groove 161, the end face being positioned at the part of the first position-arresting groove 161 both sides of the first stop block 16 is inclined-plane 163 or cambered surface, when first changeover module is by I to 0 conversion, first projection 132 extrudes inclined-plane 163 or cambered surface makes the first stop block 16 move down, after the first projection 132 crosses inclined-plane 163 or cambered surface, first projection 132 inserts in the first position-arresting groove 161, first stop block 16 resets under the effect of flexible member 17, so just can limit the first working shaft 13 to rotate, thus the bounce-back of restriction moving contact.In Figure 5, due to blocking of casing 10, the part of casing 10 inside, such as the first driven gear 14 etc., fail to illustrate.
In the first changeover module 1, the anglec of rotation of the first Control Shaft 11 is generally certain value, can be limited the anglec of rotation of the first Control Shaft 11 by the anglec of rotation limiting the first driving gear 12 or the first driven gear 14 in casing 10, the anglec of rotation of the first working shaft 11 can be obtained by the gearratio of adjustment first driving gear 12 and the first driven gear 14.In the present embodiment, two spacing inclined-planes 18 corresponding with the first energy-stored spring connecting portion 143 are provided with in first casing (10), when the first changeover module (1) is in I, one of them first energy-stored spring connecting portion 143 is resisted against on one of them spacing inclined-plane 18, when the first changeover module 1 is in 0, another energy-stored spring connecting portion 143 is resisted against on another spacing inclined-plane 18, the existence on spacing inclined-plane 18 can limit the anglec of rotation of the first driven gear 14, thus the anglec of rotation of restriction the first Control Shaft 11 and the first working shaft 13.In the present embodiment, the first Control Shaft 90-degree rotation, corresponding first driven gear 14 rotates 100 degree, and the first working shaft 13 and switch contact rotate 50 degree.
Ginseng Fig. 1 to Fig. 5, first changeover module 1 of the Twin-power swich mechanism of the present embodiment and the structure of the second changeover module 1 are similar, second changeover module 2 comprises the second casing 20 and is arranged on the second Control Shaft 21 in the second casing 20, second Control Shaft 21 is provided with the second driving gear 22, second Control Shaft 21 and the second driving gear 22 synchronous axial system, the second Control Shaft 21 is connected and synchronous axial system by connecting axle 31 with the first Control Shaft 11.Second changeover module 2 also comprises the second working shaft 23 be arranged in the second casing 20, second working shaft 23 is arranged with the second driven gear 24, there is between second driven gear 24 and the second working shaft 23 the second certain anglec of rotation gap 230, second driven gear 24 and be connected with the second energy-stored spring 25; Second driving gear 22 and the second driven gear 24 are meshed, and the second driving gear 22 and the second driven gear 24 are fan-shaped bevel gear; Second changeover module 2 has 0 and II two states, when the second changeover module is by 0 to II transfer process, second Control Shaft 21 drives the second driving gear 22 to rotate, second driven gear 24 first rotates relative to the second working shaft 23 and makes the second energy-stored spring 25 that elastic deformation and energy storage occur under the driving of the second driving gear 22, after the second anglec of rotation gap 230 is decreased to zero gradually, second energy-stored spring 25 discharges energy storage to be promoted the second driven gear 24 and rotates, and the second driven gear 24 drives the second working shaft 23 to rotate together.
In the present embodiment, second changeover module 2 is positioned at the below of the first changeover module 1, the lower end of the first casing 10 of the first changeover module 1 is connected by connector 32 with the upper end of the second casing 20 of the second changeover module 2, and the lower end of the first Control Shaft 11 of the first changeover module 1 is connected with the upper end of the second Control Shaft 21 of the second changeover module 2 by connecting axle 31.
In the second changeover module 2, the same with the structure of the first changeover module 1, be provided with the second stop block 26 for limiting the second working shaft bounce-back equally, and the flexible member 27 to coordinate with the second stop block 26, in the second casing 20, be provided with the second spacing inclined-plane 28 of the anglec of rotation for limiting the second driven gear 24 too.Fig. 8 and Fig. 9 is the schematic diagram of the second driven gear 24, the shape of the first driven gear 14 shown in its shape to Fig. 6 with Fig. 7 is similar, the position of the second keyway 241 of the second driven gear 24 is different from the first keyway 141 position of the first driven gear 14, first keyway 141 of the first driven gear 14 is rotated to an angle around the axis both clockwise of the first driven gear 14 and namely obtains the structure of the second driven gear 24, the position of the first keyway 141 and the second keyway 241 is not both because when the first changeover module 1 is changed to I position by O position, first driven gear 14 turns clockwise, and the second changeover module 2 is when being changed to II position by O position, second driven gear 24 is rotated counterclockwise.
First changeover module 1 and the second changeover module 2 are in 0 simultaneously, when the first changeover module 1 switches to I position by 0, second driving gear 22 of the second changeover module 2 departs from the second driven gear (24) and engages, and the second driven gear 24 and the second working shaft 23 are failure to actuate; When second changeover module 2 switches by 0 to II, the first driving gear 12 of the first changeover module 1 and the first driven gear 14 depart from engagement, and the first driven gear 14 and the first working shaft 13 are failure to actuate.This double power supply converting switch mechanism can realize the switching of I-0-II type double power supply converting switch.
In above-described embodiment Twin-power swich mechanism changeover module 1 and changeover module 2 also can be independent do electrical source on-off switching mechanism use, this also belongs to scope.
Electrical source on-off switching mechanism of the present invention adopts gear drive, and transmission efficiency is high; The structure of parts is simple, and requirement on machining accuracy is not high, low cost of manufacture; Mechanism operates steadily, and working life is high; The crossing angle of Control Shaft and working shaft can by adjusting the alteration of form of driving gear and driven gear; Stop block can also be set up further, to limit working shaft bounce-back thus the bounce-back of the moving contact of limit switch.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (9)
1. an electrical source on-off switching mechanism, is characterized in that,
Described electrical source on-off switching mechanism at least comprises one first changeover module (1);
Described first changeover module (1) comprises the first casing (10) and is arranged on the first Control Shaft (11) in the first casing (10), described first Control Shaft (11) is provided with the first driving gear (12), described first Control Shaft (11) and the first driving gear (12) synchronous axial system;
Described first changeover module (1) also comprises the first working shaft (13) be arranged in the first casing (10), described first working shaft (13) is arranged with the first driven gear (14), have the first anglec of rotation gap (130) between described first driven gear (14) and the first working shaft (13), described first driven gear (14) is connected with the first energy-stored spring (15);
Described first driving gear (12) and the first driven gear (14) are meshed, and described first driving gear (12) and described first driven gear (14) are fan-shaped bevel gear;
Described first changeover module (1) has 0 and I two states, when described first changeover module is by 0 to I transfer process, described first driven gear (14) is first rotated relative to the first working shaft (13) and is made the first energy-stored spring (15) generation elastic deformation and energy storage under the driving of the first driving gear (12), after described first anglec of rotation gap (130) is decreased to zero gradually, described first energy-stored spring (15) release energy storage promotes the rotation of described first driven gear (14), described first driven gear (14) drives described first working shaft (13) to rotate together, described first working shaft (13) has the first convex key (131) of one or two symmetry, described first driven gear (14) is provided with first keyway (141) of one or two symmetry accordingly, described first convex key (131) is less than the radian of described first keyway (141) along the extension of described first working shaft (13) circumference along the radian that described first working shaft (13) circumference extends.
2. electrical source on-off switching mechanism according to claim 1, it is characterized in that, the first stop block (16) is slidably connected in described first casing (10), the first flexible member (17) is provided with between described first stop block (16) and the first casing (10), described first stop block (16) has just to first position-arresting groove (161) of described first working shaft (13), described first working shaft (13) has the first projection (132) coordinated with described first position-arresting groove (161), when described first changeover module (1) is in 0, described first projection (132) is inserted in described first position-arresting groove (161).
3. electrical source on-off switching mechanism according to claim 2, it is characterized in that, described first driven gear (14) is provided with the first pushing block (142), described first stop block (16) has the first arc convex (162) coordinated with described first pushing block (142), when described first changeover module (1) is by 0 to I conversion, in the process of rotating relative to the first working shaft (13) described first driven gear (14), described first pushing block (142) extrudes described first arc convex (162), described first stop block (16) is away from described first working shaft (13) thus described first projection (132) is deviate from by described first position-arresting groove (161).
4. electrical source on-off switching mechanism according to claim 2, it is characterized in that, the end face being positioned at the part of described first position-arresting groove (161) both sides of described first stop block (16) is inclined-plane (163) or cambered surface, when described first changeover module is by I to 0 conversion, described first projection (132) extrudes described inclined-plane (163) or cambered surface makes the first stop block (16) move down, after described first projection (132) crosses described inclined-plane (163) or cambered surface, described first projection (132) is inserted in described first position-arresting groove (161).
5. electrical source on-off switching mechanism according to claim 1, it is characterized in that, the periphery of described first driven gear (14) is provided with the first energy-stored spring connecting portion (143), the first end of described first energy-stored spring (15) is connected with described first energy-stored spring connecting portion (143), and the second end of described first energy-stored spring (15) is connected with described first casing (10).
6. electrical source on-off switching mechanism according to claim 5, it is characterized in that, the periphery of described first driven gear (14) is provided with two the first symmetrical energy-stored spring connecting portions (143), each described first energy-stored spring connecting portion (143) connects described first energy-stored spring (15), two spacing inclined-planes (18) corresponding with described first energy-stored spring connecting portion (143) are provided with in described first casing (10), when described first changeover module (1) is in I, first energy-stored spring connecting portion (143) described in one of them is resisted against on one of them spacing inclined-plane (18), when described first changeover module (1) is in 0, energy-stored spring connecting portion (143) described in another is resisted against on another spacing inclined-plane (18).
7. electrical source on-off switching mechanism according to claim 5, is characterized in that, the second end of described first energy-stored spring (15) is provided with the first spring catch (151).
8. the electrical source on-off switching mechanism according to any one of claim 1 to 7, is characterized in that, described electrical source on-off switching mechanism also comprises the second changeover module (2) being positioned at described first changeover module (1) below;
Described second changeover module (2) comprises the second casing (20) and is arranged on the second Control Shaft (21) in the second casing (20), described second Control Shaft (21) is provided with the second driving gear (22), described second Control Shaft (21) and the second driving gear (22) synchronous axial system, described second Control Shaft (21) is connected and synchronous axial system by connecting axle (31) with described first Control Shaft (11);
Described second changeover module (2) also comprises the second working shaft (23) be arranged in the second casing (20), described second working shaft (23) is arranged with the second driven gear (24), have the second anglec of rotation gap (230) between described second driven gear (24) and the second working shaft (23), described second driven gear (24) is connected with the second energy-stored spring (25);
Described second driving gear (22) and the second driven gear (24) are meshed, and described second driving gear (22) and described second driven gear (24) are fan-shaped bevel gear;
Described second changeover module (2) has 0 and II two states, when described second changeover module is by 0 to II transfer process, described second driven gear (24) is first rotated relative to the second working shaft (23) and is made the second energy-stored spring (25) generation elastic deformation and energy storage under the driving of the second driving gear (22), after described second anglec of rotation gap (230) is decreased to zero gradually, described second energy-stored spring (25) release energy storage promotes the rotation of described second driven gear (24), described second driven gear (24) drives described second working shaft (23) to rotate together,
Described first changeover module (1) and the second changeover module (2) are in 0 simultaneously, when described first changeover module (1) switches to I position by 0, second driving gear (22) of described second changeover module (2) departs from the second driven gear (24) and engages; When described second changeover module (2) switches by 0 to II, first driving gear (12) of described first changeover module (1) and the first driven gear (14) depart from engagement.
9. electrical source on-off switching mechanism according to claim 8, it is characterized in that, the second stop block (26) is slidably connected in described second casing (20), between described second stop block (26) and the second casing (20), there is the second flexible member (27), described second stop block (26) has just to second position-arresting groove (261) of described second working shaft (23), described second working shaft (23) has the second projection (232) coordinated with described second position-arresting groove (261), when described second changeover module (2) is in 0, described second projection (232) is inserted in described second position-arresting groove (261).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083647.6A CN103366978B (en) | 2012-03-27 | 2012-03-27 | A kind of electrical source on-off switching mechanism |
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| CN103366978B true CN103366978B (en) | 2015-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102014116400A1 (en) * | 2014-11-11 | 2016-05-12 | Eaton Electrical Ip Gmbh & Co. Kg | Rotary contact device for a switch |
| CN106887356B (en) * | 2015-12-16 | 2019-08-13 | Asco电力技术公司 | Transmission device for power switch and the power switch including the transmission device |
| CN106449208B (en) * | 2016-10-21 | 2018-12-14 | 沈阳斯沃电器有限公司 | Rotary low-pressure isolator operating mechanism |
| CN108376620A (en) * | 2018-04-02 | 2018-08-07 | 沈阳斯沃电器有限公司 | A kind of operation mechanism for low-tension switch compression mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886311A (en) * | 1996-09-16 | 1999-03-23 | Schneider Electric Sa | Multipole electrical switch having one elementary switching bar per pole |
| CN101681731A (en) * | 2007-04-09 | 2010-03-24 | 阿斯科动力科技公司 | Three-position apparatus capable of positioning an electrical transfer switch |
| CN201994192U (en) * | 2011-04-20 | 2011-09-28 | 常熟开关制造有限公司(原常熟开关厂） | Gear transmission mechanism of power transfer switch |
| CN201994191U (en) * | 2011-01-01 | 2011-09-28 | 浙江雷顿电气科技有限公司 | Dual-power supply automatic transfer switch transmission mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6976648B2 (en) * | 2003-01-09 | 2005-12-20 | Frank Chang | Strip/cross switch mechanism of double-duty shredder |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886311A (en) * | 1996-09-16 | 1999-03-23 | Schneider Electric Sa | Multipole electrical switch having one elementary switching bar per pole |
| CN101681731A (en) * | 2007-04-09 | 2010-03-24 | 阿斯科动力科技公司 | Three-position apparatus capable of positioning an electrical transfer switch |
| CN201994191U (en) * | 2011-01-01 | 2011-09-28 | 浙江雷顿电气科技有限公司 | Dual-power supply automatic transfer switch transmission mechanism |
| CN201994192U (en) * | 2011-04-20 | 2011-09-28 | 常熟开关制造有限公司(原常熟开关厂） | Gear transmission mechanism of power transfer switch |
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