CN204088094U - The driving mechanism of switching device shifter and switching device shifter thereof - Google Patents
The driving mechanism of switching device shifter and switching device shifter thereof Download PDFInfo
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- CN204088094U CN204088094U CN201420466369.7U CN201420466369U CN204088094U CN 204088094 U CN204088094 U CN 204088094U CN 201420466369 U CN201420466369 U CN 201420466369U CN 204088094 U CN204088094 U CN 204088094U
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- Prior art keywords
- drive
- switching device
- device shifter
- driving shaft
- contact
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 abstract description 7
- 230000008018 melting Effects 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
In the driving mechanism of switching device shifter, driving shaft (10) has a sticking department (12) in its circumference.Drive block (20) has a lock-joining part (22).The rotation of drive block can make flexible drive assembly (30) store elasticity energy, and flexible drive assembly release elasticity can drive drive block to rotate, and flexible drive assembly has a dead-centre position making the elastic restoring force of flexible drive assembly maximum.The drive end (424) of stop assembly (40) can contact with lock-joining part, and lock-joining part can promote drive end make stop end (422) near or away from sticking department.The driving mechanism of switching device shifter is when armature contact cannot be separated with fixed contact melting welding, if driving shaft by make position to open position rotate and dead-centre position crossed by flexible drive assembly, sticking department can be resisted against stop end, to limit drive shaft turns, drive shaft turns can be avoided to arrive open position.
Description
Technical field
The utility model relates to driving mechanism, particularly relates to a kind of driving mechanism for switching device shifter.The utility model additionally provides the switching device shifter using this driving mechanism.
Background technology
Switching device shifter is the equipment for opening and closing circuit, such as isolating switch, fuse switch etc.Switching device shifter generally includes a movable contact, a fixed contact, with a driving mechanism driving movable contact to contact with fixed contact or be separated.
Driving shaft and flexible drive assembly is provided with in the driving mechanism of switching device shifter.Pass through rotating driveshaft, flexible drive assembly can be made to store elasticity energy, after the dead-centre position that its elasticity can be maximum crossed by flexible drive assembly, elastic drive part release elasticity can and drive movable contact contact with fixed contact and be separated, thus the control system of switching on or off electricity of realization to supply line.Under normal circumstances, in the process of drive shaft turns, be provided with a make position and an open position.The movable contact that make position is used to indicate switching device shifter contacts with fixed contact, and open position is used to indicate movable contact and is separated with fixed contact.
In the use of switching device, there is the situation because being made armature contact and fixed contact melting welding by big current, if serious melting welding between armature contact with fixed contact and cannot being separated, driving shaft still likely turns to open position, brings potential safety hazard to the use of switching device shifter.
Utility model content
The purpose of this utility model is to provide a kind of driving mechanism of switching device shifter, when armature contact cannot be separated with fixed contact melting welding, avoids drive shaft turns to arrive open position.
Another object of the present utility model additionally provides the switching device shifter using this driving mechanism.
The utility model provides a kind of driving mechanism of switching device shifter, comprises a driving shaft, drive block, a flexible drive assembly and a stop assembly.Driving shaft is arranged at switching device shifter rotationally, the open position that the armature contact that it has an instruction switching device shifter is separated with fixed contact, with the make position that the armature contact of an instruction switching device shifter contacts with fixed contact, driving shaft has a sticking department in its circumference.The rotation of driving shaft can drive drive block to rotate, and the rotation of drive block can drive the armature contact of switching device shifter contact with fixed contact or be separated, and drive block has a lock-joining part.The rotation of drive block can make flexible drive assembly store elasticity energy, and flexible drive assembly release elasticity can drive drive block to rotate, and flexible drive assembly has a dead-centre position making the elastic restoring force of flexible drive assembly maximum.Stop assembly is arranged at switching device shifter, and it comprises an arresting lever, and this arresting lever has a stop end and a drive end, and drive end can contact with lock-joining part, and lock-joining part can promote drive end make stop end near or away from sticking department.If driving shaft by make position to open position rotate and dead-centre position crossed by flexible drive assembly, sticking department can be resisted against stop end, to limit drive shaft turns.
The driving mechanism of switching device shifter, when armature contact cannot be separated with fixed contact melting welding, can avoid drive shaft turns to arrive open position.
In another schematic execution mode of the driving mechanism of switching device shifter, lock-joining part has a sliding surface, a promotion face and a stop surface.If drive end moves along sliding surface, along the axis of driving shaft, stop end is all the time away from sticking department.If drive end moves along promotion face, along the axis of driving shaft, stop end near or away from sticking department.If drive end moves along stop surface, in the process of drive shaft turns, sticking department can be resisted against stop end.
In the schematic execution mode of the another kind of the driving mechanism of switching device shifter, stop assembly comprises a spring, and spring can promote arresting lever and contact with lock-joining part to make drive end.
In another schematic execution mode of the driving mechanism of switching device shifter, drive block has pair of sliding end.Flexible drive assembly comprises a pair spring mechanism, and they are oppositely arranged on the both sides of drive block.Each spring mechanism comprises a driving member and an elastic component.Driving member is provided with a contact jaw and a driving end, and contact jaw can slide along the circumferential profile of sliding end.Elastic component can contact with driving end, and it can apply an elastic force towards drive block in driving member.
In another schematic execution mode of the driving mechanism of switching device shifter, sticking department is a projection extended along driving shaft radial direction.
The utility model additionally provides a kind of switching device shifter, and it comprises a shell and above-mentioned driving mechanism.Shell comprises one and drives casing and a transmission casing.Driving shaft can be installed on driving casing, and drive block and flexible drive assembly can be installed in transmission casing.
Accompanying drawing explanation
The following drawings only schematically illustrates the utility model and explains, does not limit scope of the present utility model.
Fig. 1 is for illustration of the structural representation of a kind of exemplary embodiment of driving mechanism of switching device shifter.
Fig. 2 to Fig. 7 for illustration of when armature contact and fixed contact melting welding, the motion process of the driving mechanism of switching device shifter.
Fig. 8 shows the structural representation of a kind of exemplary embodiment of switching device shifter.
Label declaration
10 driving shafts
12 sticking departments
20 drive blocks
22 lock-joining parts
222 sliding surfaces
224 promote face
226 stop surfaces
24 sliding ends
30 flexible drive assemblies
32 spring mechanisms
34 driving members
342 contact jaws
344 driving ends
36 elastic components
40 stop assemblies
42 arresting levers
422 stop end
424 drive ends
44 springs
50 shells
52 drive casing
54 transmission casings.
Embodiment
In order to the technical characteristic to utility model, object and effect have understanding clearly, now contrast accompanying drawing and embodiment of the present utility model is described, label identical in the various figures represents identical part.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, execution mode is interpreted as a kind of preferred or have more the technical scheme of advantage.
For making simplified form, only schematically show the part relevant to the utility model in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
Fig. 1 is for illustration of the structural representation of a kind of exemplary embodiment of driving mechanism of switching device shifter.As shown in Figure 1, the driving mechanism of switching device shifter comprises a driving shaft 10, drive block 20, flexible drive assembly 30 and a stop assembly 40.
Wherein, driving shaft 10 is arranged in switching device shifter, and driving shaft 10 can be driven by operating grip or drive motors and rotate, and then transmission is to drive block 20, drives the electrical connection between armature contact and fixed contact by the rotation of drive block 20.Driving shaft 10, in the process rotated, is provided with an open position and a make position.When driving shaft 10 is in open position, be separated between armature contact with fixed contact; When driving shaft 10 is in the close position, armature contact contacts with fixed contact.The circumference of driving shaft 10 has a sticking department 12.In a kind of exemplary embodiment of the driving mechanism of switching device shifter, sticking department 12 is the projections extended along driving shaft 10 radial direction.
When driving shaft 10 rotates between make position and open position, driving shaft 10 can drive drive block 20 to rotate, and the rotation of drive block 20 can drive to the armature contact of switching device shifter, thus makes armature contact contact with fixed contact or be separated.Drive mechanism between drive block 20 and driving shaft 10, and the drive mechanism between drive block 20 and the fixed contact of switching device shifter can adopt any one known structure, does not repeat them here.Drive block 20 has a lock-joining part 22.As shown in Figure 1, in a kind of exemplary embodiment of the driving mechanism of switching device shifter, lock-joining part 22 has a sliding surface 222, promotion face 224 and a stop surface 226, and sliding surface 222 and stop surface 226 are plane, and promoting face 224 is inclined-plane.Drive block 20 has pair of sliding end 24.
When driving shaft 10 drives drive block 20 to rotate, the rotation of drive block 20 can make flexible drive assembly 30 store elasticity energy, and when flexible drive assembly 30 discharges elasticity energy, flexible drive assembly 30 can drive drive block 20 quick rotation, thus realizes armature contact and contact fast with fixed contact or be separated.Flexible drive assembly 30 has a dead-centre position, and when flexible drive assembly 30 is in dead-centre position, the elasticity of flexible drive assembly can be maximum.
As shown in Figure 1, in a kind of exemplary embodiment of the driving mechanism of switching device shifter, flexible drive assembly 30 comprises a pair spring mechanism 32, and they are relatively arranged on the both sides of drive block 20.Each spring mechanism 32 comprises a driving member 34 and an elastic component 36.Driving member 34 is provided with a contact jaw 342 and a driving end 344.Contact jaw 342 can slide along the circumferential profile of sliding end 24.Elastic component 36 can contact with driving end 344.Rotate when drive block 20 and promote driving member 34, when elastic component 36 is compressed, flexible drive assembly 30 stores elasticity energy; When elastic component 36 promotes driving member 34 by elastic restoring force, drive block 20 is rotated, and flexible drive assembly 30 discharges elasticity energy; When the elastic force that two elastic components 36 put on sliding end 24 is in same straight line, flexible drive assembly 30 is in dead-centre position.
Stop assembly 40 is arranged at switching device shifter, and it comprises an arresting lever 42.Arresting lever 42 has a stop end 422 and a drive end 424.Drive end 424 can contact with stop surface 226 with the sliding surface 222 of lock-joining part 22, promotion face 224.In the rotation process of drive block 20, lock-joining part 22 can promote drive end 424, thus make stop end 422 near or away from sticking department 12.As shown in Figure 1, in a kind of exemplary embodiment of the driving mechanism of switching device shifter, when drive end 424 moves along sliding surface 222, stop end 422 is all the time away from sticking department 12; When drive end 424 along promotion face 224 move time, along the axis of driving shaft 10, the spacing between stop end 422 and sticking department 12 can increase or reduce; When drive end 424 moves along stop surface 226, driving shaft 10 in the process of rotating, its sticking department 12 can and stop end 422 mutually against and limit the rotation of driving shaft 10.Stop assembly 40 comprises a spring 44, and spring 44 can promote arresting lever 42, and under the elastic thrust of spring 44, the drive end 424 of arresting lever 42 contacts with the sliding surface 222 of lock-joining part 22, promotion face 224 or stop surface 226.
Fig. 2 to Fig. 7 for illustration of when armature contact and fixed contact melting welding, the motion process of the driving mechanism of switching device shifter.As shown in Figures 2 and 3, wherein Fig. 3 is the view along direction shown in arrow A in Fig. 2.Now driving shaft 10 (ON) in the close position.The drive end 424 of arresting lever 42 contacts with stop surface 226, but sticking department 12 is away from stop end 422, and driving shaft 10 can freely rotate.The elastic component 36 of flexible drive assembly 30 is not compressed.
Driving shaft 10 starts to be rotated to open position (OFF) by make position (ON).The rotation of driving shaft 10 drives the rotation of drive block 20.The sliding end 24 of drive block 20 starts compression elastic piece 36 by driving member 34.As shown in Figure 4 and Figure 5, wherein Fig. 5 be Fig. 4 A-A to view, and only cutting drive block in figure.Now, flexible drive assembly 30 is in dead-centre position, and the elastic deformation of elastic component 36 is maximum and elastic restoring force is maximum.The drive end 424 of arresting lever 42 still contacts with stop surface 226, and sticking department 12 is near stop end 422, and driving shaft 10 can also continue to rotate to open position (OFF).
As shown in Figure 6 and Figure 7, wherein Fig. 7 be Fig. 6 A-A to view, and only cutting drive block in figure.The rotation of driving shaft 10 drives the rotation of drive block 20, makes flexible drive assembly 30 cross its dead-centre position.
If the armature contact of switching device shifter can be separated smoothly with fixed contact, then flexible drive assembly 30 release elasticity energy fast.Flexible drive assembly 30 drives drive block 20 quick rotation.Drive block 20 is identical with the rotation direction of driving shaft 10, and the velocity of rotation of drive block 20 is far faster than driving shaft 10.Drive block 20 is in the process of rotating, and the drive end 424 of arresting lever 42 successively moves along stop surface 226, promotion face 224 and sliding surface 222.Along the axis of driving shaft 10, stop end 422 is away from sticking department 12.Driving shaft 10 in the process of rotating to open position (OFF), sticking department 12 and stop end 422 can not contact with each other against.
If armature contact cannot be separated with fixed contact, then drive block 20 stops operating.The drive end 424 of arresting lever 42 still contacts with stop surface 226.The sticking department 12 of driving shaft 10 is resisted against stop end 422, stops driving shaft 10 to continue to rotate towards open position (OFF), thus makes driving shaft 10 cannot be indicated to open position (OFF).
Fig. 8 shows the structural representation of a kind of exemplary embodiment of switching device shifter.See Fig. 8 and Fig. 1, switching device shifter comprises a shell 50 and an above-mentioned driving mechanism be arranged in shell 50.
Its housing 50 comprises one and drives casing 52 and a transmission casing 54.In driving mechanism, driving shaft 10 is arranged on and drives in casing 52.Drive block 20 and flexible drive assembly 30 are arranged in transmission casing 54.
Be to be understood that, although this specification describes according to each execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model; allly do not depart from the utility model skill equivalent embodiments of doing of spirit or change; as the combination of feature, segmentation or repetition, all should be included within protection range of the present utility model.
Claims (6)
1. the driving mechanism of switching device shifter, is characterized in that it comprises:
A driving shaft (10) being arranged at described switching device shifter rotationally, the open position that the armature contact that it has a described switching device shifter of instruction is separated with fixed contact, with the make position that the armature contact of a described switching device shifter of instruction contacts with fixed contact, described driving shaft (10) has a sticking department (12) in its circumference;
A drive block (20), the rotation of described driving shaft (10) can drive described drive block (20) to rotate, and the rotation of described drive block (20) can drive the armature contact of described switching device shifter contact with fixed contact or be separated, described drive block (20) has a lock-joining part (22);
A flexible drive assembly (30), the rotation of described drive block (20) can make described flexible drive assembly (30) store elasticity energy, described flexible drive assembly (30) release elasticity can drive described drive block (20) to rotate, and described flexible drive assembly (30) has a dead-centre position making the elastic restoring force of described flexible drive assembly (30) maximum; With
A stop assembly (40) being arranged at described switching device shifter, it comprises an arresting lever (42), this arresting lever (42) has a stop end (422) and a drive end (424), described drive end (424) can contact with described lock-joining part (22), and described lock-joining part (22) can promote described drive end (424) make described stop end (422) near or away from described sticking department (12)
If described driving shaft (10) to be rotated and described dead-centre position crossed by described flexible drive assembly (30) to described open position by described make position, described sticking department (12) can be resisted against described stop end (422), rotates to limit described driving shaft (10).
2. the driving mechanism of switching device shifter as claimed in claim 1, is characterized in that described lock-joining part (22) has a sliding surface (222), promotion face (224) and a stop surface (226),
If described drive end (424) along described sliding surface (222) motion, along the axis of described driving shaft (10), described stop end (422) all the time away from described sticking department (12),
If described drive end (424) along described promotion face (224) motion, along the axis of described driving shaft (10), described stop end (422) near or away from described sticking department (12),
If described drive end (424) is along described stop surface (226) motion, described in the process that described driving shaft (10) rotates, sticking department (12) can be resisted against described stop end (422).
3. the driving mechanism of switching device shifter as claimed in claim 1, it is characterized in that described stop assembly (40) comprises a spring (44), described spring (44) can promote described arresting lever (42) and contact with described lock-joining part (22) to make described drive end (424).
4. the driving mechanism of switching device shifter as claimed in claim 1, is characterized in that described drive block (20) has pair of sliding end (24),
Described flexible drive assembly (30) comprises a pair spring mechanism (32), and they are oppositely arranged on the both sides of described drive block (20), and each described spring mechanism (32) comprising:
A driving member (34), it is provided with a contact jaw (342) and a driving end (344), and described contact jaw (342) can slide along the circumferential profile of described sliding end (24); With
An elastic component (36) that can contact with described driving end (344), it can apply an elastic force towards described drive block (20) in described driving member (34).
5. the driving mechanism of switching device shifter as claimed in claim 1, is characterized in that described sticking department (12) is a projection extended along described driving shaft (10) radial direction.
6. switching device shifter, is characterized in that it comprises:
A shell (50), it comprises one and drives casing (52) and a transmission casing (54); With
Driving mechanism as described in claim 1 to 5 any one, described driving shaft (10) can be installed on described driving casing (52), and described drive block (20) and described flexible drive assembly (30) can be installed in described transmission casing (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420466369.7U CN204088094U (en) | 2014-08-18 | 2014-08-18 | The driving mechanism of switching device shifter and switching device shifter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420466369.7U CN204088094U (en) | 2014-08-18 | 2014-08-18 | The driving mechanism of switching device shifter and switching device shifter thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088094U true CN204088094U (en) | 2015-01-07 |
Family
ID=52180776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420466369.7U Expired - Lifetime CN204088094U (en) | 2014-08-18 | 2014-08-18 | The driving mechanism of switching device shifter and switching device shifter thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088094U (en) |
-
2014
- 2014-08-18 CN CN201420466369.7U patent/CN204088094U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |
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| CX01 | Expiry of patent term |