CN103021691A - Switching-on and switching-off mechanism of switchgear - Google Patents
Switching-on and switching-off mechanism of switchgear Download PDFInfo
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- CN103021691A CN103021691A CN2012105634061A CN201210563406A CN103021691A CN 103021691 A CN103021691 A CN 103021691A CN 2012105634061 A CN2012105634061 A CN 2012105634061A CN 201210563406 A CN201210563406 A CN 201210563406A CN 103021691 A CN103021691 A CN 103021691A
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- rotating disk
- rotating shaft
- spring
- switching
- ratchet
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- 239000013536 elastomeric material Substances 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
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Abstract
A switching-on and switching-off mechanism of switchgear comprises a rotating shaft, a spring, a rotating disk and a moving contact seat, the rotating disk is mounted on the recessed bottom surface of the moving contact seat, at least two spiral grooves are arranged on two opposite sides on the outer cylindrical surface of the rotating disk, transmission posts protrude over two side walls of the moving contact seat and are in sliding fit with the spiral grooves, the spring is mounted in an inner cavity of the rotating disk, at least two notched slots are arranged on the outer cylindrical surface of the rotating disk, orifices of the notched slots protrude upwards to form pawls, the rotating shaft comprises a shaft shank mounted on the upper surface of a rotating shaft body, a drive finger extends out of the lower surface of the rotating shaft body and is inserted into the spring, and a shifting plate is arranged at the position, corresponding to the pawls, on the lower surface of the rotating shaft body. The switching-on and switching-off mechanism of the switchgear converts rotation into linear movement by the aid of coordination of the spiral grooves and the transmission posts, achieves high switching-on and switching-off speed of the switchgear by the aid of coordination that the pawls limit rotation of the rotating disk and the spring stores energy prior to release during rotation, and does not depend on manual operation. Besides, the number of spare and accessory parts of the whole switchgear is decreased, production cost is saved, and mounting and maintenance difficulty is lowered.
Description
Technical field
The invention belongs to the control machine technical field of electric equipment, be specifically related to a kind of switching device, especially relate to a kind of close/open machine of switching device.
Background technology
The word explanation of switch is opening and closing.It refers to that one can make open circuit, makes current interruptions or make it flow to the element of other circuit.Modal switch is the electromechanical equipment that allows the people operate, and one or several contacts are wherein arranged." closure " of contact (closed) represents the contact conducting to allow electric current to flow through; " open circuit " of switch (open) represents that not conducting of contact forms open circuit, does not allow electric current to flow through.
The knife switch that the developing history of switch operates manually from original needs, develop into the present intelligent switch of in various large electric control appliances, using, the function of switch is more and more, fail safe is also more and more higher, especially in large-size intelligentized equipment, the effect of intelligent switch is especially remarkable, but a lot of places are still arranged, and for example the heavy construction the inside still is equipped with needs the manual switching device of controlling.
Existing important indicator of switching device that is applied to the heavy construction occasion is exactly fail safe, the false switching that prevents switching device causes the danger of circuit, the more complicated of most of switching device design, the spare and accessory parts of switching device are many, and the divide-shut brake limited speed of switch is in manually-operated speed, can make precarious position continue the longer time, increase the danger that electric equipment is burned.
Chinese patent 1096697C discloses a kind of switching device, comprise two switch housings, be fixed with fixed contact on it, the contact bridge relay part that also comprises a mobilizable movable contact, this switch carries out work by actuated element, actuated element can move in switch housing, and rotatablely moving of actuated element can be passed to movable contact, make the engagement of movable contact and fixed contact or separate, in addition, this switch also is provided with prior device, rotatablely moving of actuated element can be converted into axial linear movement, spring in the switching device and transmission device interact, and the change of finishing the motion state of transmission device realizes the switching of switching device.This switching device impels switch still can use under the situation of part infringement, but guarantees that just because of being provided with too much parts this function causes complex structure, and the product cost is higher, and installation and maintenance are complicated.
Summary of the invention
Technical barrier to be solved by this invention is too complicated for existing switching device structure for low voltage electrical equipment control, spare and accessory parts quantity is more, the assembling maintenance difficult causes production cost high, and existing switching device switching limited speed is in the speed of manual operation speed, cause the spare and accessory parts of switching device that burnout phenomenon easily occurs, increased the danger that switch uses, the invention provides a kind of close/open machine of switching device, the divide-shut brake of switching device is rapid, is not subjected to the manual operation speed restriction, and whole switching mechanism is simple, the spare and accessory parts negligible amounts, assembling maintenance process simple and fast, the product low cost, security performance improves.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of close/open machine of switching device, it is characterized in that: it comprises rotating shaft, spring, rotating disk and movable contact block, described movable contact block is the concave shape structure, rotating disk is contained on the interior concave bottom surface of movable contact block, rotating disk is cylindrical, relative both sides have at least two helicla flutes on the rotating disk external cylindrical surface, be extruded with on the medial surface of movable contact block two side and take off post, take off post and join with the helicla flute cunning, described spring is contained in the rotating disk inner chamber, and both ends of the spring props up respectively front limit piece and the rear guide vane end stop in the rotating disk inner chamber, has at least two breach slotted eyes on the described rotating disk external cylindrical surface, the opening of breach slotted eye is positioned at rotating disk external cylindrical surface upper surface, ratchet is located to tilt upward out in breach slotted eye aperture, and ratchet is provided with lead-in chamfered, and described rotating shaft comprises footstalk, footstalk is contained in rotating shaft body upper surface, rotating shaft body lower surface stretches out to drive and refers to, drives to refer to insert spring, and this external surface of rotating shaft is provided with swinging plate with the ratchet corresponding position.
Further, described movable contact block is contained in the lower house, movable contact block can slide up and down in the lower house mounting groove, rotating shaft is contained in the loam cake, footstalk passes the footstalk hole of loam cake, loam cake inner bottom surface and ratchet corresponding position are provided with limiting stand, and the rotating shaft body upper surface of described rotating shaft is provided with elasticity non-return folder, and the loam cake inner bottom surface is provided with the non-return boss corresponding to elasticity non-return folder place.
Further, described rotating shaft body lower surface is provided with locating shaft, and rotating disk and locating shaft corresponding position have location hole, and locating shaft is contained in the location hole, locating shaft and location hole matched in clearance.
Further, described spring is two, is contained in to form the circular arc spring in the rotating disk inner chamber.
Further, described ratchet is that elastomeric material is made, and the lead-in chamfered of ratchet is screw inclined plane.
Further, described elasticity non-return folder is made for elastomeric material, and the non-return jaws is less than the non-return boss.
Further, described ratchet is higher than disk upper surface 0～10mm.
Beneficial effect
The present invention utilizes helicla flute and the cooperation that takes off post that rotation is converted into rectilinear motion, cooperating of release again behind the rotation that utilizes ratchet restriction rotating disk in the rotation and the spring energy-storage, the divide-shut brake speed that has realized switching device is rapid, be no longer dependent on manually-operated purpose, simplified simultaneously the spare and accessory parts quantity of whole switch, save production cost, reduced the difficulty of installation and maintenance.
Description of drawings
Accompanying drawing 1 is the first embodiment of the invention structural representation.
Accompanying drawing 2 is first embodiment of the invention explosive views.
Accompanying drawing 3 is second embodiment of the invention explosive views.
Accompanying drawing 4 is that the first embodiment medi-spring and rotating disk cooperate scheme of installation.
Accompanying drawing 5 is that the second embodiment shaft cooperates scheme of installation with upper casing.
Accompanying drawing 6 is that the first embodiment plants the turntable structure schematic diagram.
Accompanying drawing 7 is lower casing structural representations among the second embodiment.
Accompanying drawing 8 is superstructure schematic diagrames among the second embodiment.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Embodiment 1:
Such as accompanying drawing 1,2, shown in 4 and 6, a kind of close/open machine of switching device, it comprises rotating shaft 1, spring 2, rotating disk 3 and movable contact block 4, described movable contact block 4 is the concave shape structure, rotating disk 3 is contained on the movable contact block 4 interior concave bottom surface, rotating disk 3 is cylindrical, relative both sides have at least two helicla flutes 301 on rotating disk 3 external cylindrical surfaces, be extruded with on the movable contact block 4 two side medial surfaces and take off post 401, take off post and 401 join with helicla flute 301 is sliding, described spring 2 is contained in rotating disk 3 inner chambers, spring 2 two ends prop up respectively front limit piece 302 and the rear limit piece 303 in rotating disk 3 inner chambers, have at least two breach slotted eyes 304 on described rotating disk 3 external cylindrical surfaces, the opening of breach slotted eye 304 is positioned at rotating disk 3 external cylindrical surface upper surfaces, ratchet 305 is located to tilt upward out in breach slotted eye 304 apertures, ratchet 305 is provided with lead-in chamfered 305a, described rotating shaft 1 comprises footstalk 101, footstalk 101 is contained in rotating shaft body 102 upper surfaces, rotating shaft body 102 lower surfaces stretch out to drive and refer to 103, driving refers to that 103 insert spring 2, and rotating shaft body 102 outer surfaces and ratchet 305 corresponding positions are provided with swinging plate 104.
Helicla flute 301 and take off post 401 the cooperation of this mechanism by on the rotating disk 3 provides power by spring 2, realized rotatablely moving becoming straight-line purpose.
Shown in accompanying drawing 3,5,7 and 8, movable contact block 4 in above-described embodiment 1 in the whole mechanism can also be contained in the lower house 5, movable contact block 4 can slide up and down in lower house mounting groove 501, rotating shaft 1 is contained in the loam cake 6, footstalk 101 passes the footstalk hole 601 of loam cake 6, loam cake 6 inner bottom surfaces and ratchet 305 corresponding positions are provided with limiting stand 602, and rotating shaft body 102 upper surfaces of described rotating shaft 1 are provided with elasticity non-return folder 105, and loam cake 6 inner bottom surfaces press from both sides 105 places corresponding to the elasticity non-return and are provided with non-return boss 603.
Described rotating shaft body 102 lower surfaces are provided with locating shaft 106, and rotating disk 3 has location hole 306 with locating shaft 106 corresponding positions, and locating shaft 106 is contained in the location hole 306, locating shaft 106 and location hole 306 matched in clearance.
Described spring 2 is two, is contained in to form the circular arc spring in rotating disk 3 inner chambers.
Described ratchet 305 is made for elastomeric material, and the lead-in chamfered 305a of ratchet 305 is screw inclined plane.
Described elasticity non-return folder 105 is made for elastomeric material, and the non-return jaws is less than non-return boss 603.
Described ratchet 305 is higher than rotating disk 3 upper surfaces 0～10mm.
The present invention utilizes helicla flute and the cooperation that takes off post that rotation is converted into rectilinear motion, cooperating of release again behind the rotation that utilizes ratchet restriction rotating disk in the rotation and the spring energy-storage, the divide-shut brake speed that has realized switching device is rapid, be no longer dependent on manually-operated purpose, simplified simultaneously the spare and accessory parts quantity of whole switch, save production cost, reduced the difficulty of installation and maintenance.
Claims (7)
1. the close/open machine of a switching device, it is characterized in that: it comprises rotating shaft (1), spring (2), rotating disk (3) and movable contact block (4), described movable contact block (4) is the concave shape structure, rotating disk (3) is contained on the interior concave bottom surface of movable contact block (4), rotating disk (3) is cylindrical, relative both sides have at least two helicla flutes (301) on rotating disk (3) external cylindrical surface, be extruded with take off post (401) on the medial surface of movable contact block (4) two side, taking off post, (401) and helicla flute (301) are sliding joins, described spring (2) is contained in rotating disk (3) inner chamber, spring (2) two ends prop up respectively front limit piece (302) and the rear guide vane end stop (303) in rotating disk (3) inner chamber, have at least two breach slotted eyes (304) on described rotating disk (3) external cylindrical surface, the opening of breach slotted eye (304) is positioned at rotating disk (3) external cylindrical surface upper surface, ratchet (305) is located to tilt upward out in breach slotted eye (304) aperture, ratchet (305) is provided with lead-in chamfered (305a), described rotating shaft (1) comprises footstalk (101), footstalk (101) is contained in rotating shaft body (102) upper surface, rotating shaft body (102) lower surface stretches out to drive and refers to (103), driving refers to (103) insertion spring (2), and rotating shaft body (102) outer surface and ratchet (305) corresponding position are provided with swinging plate (104).
2. the close/open machine of a kind of switching device as claimed in claim 1, it is characterized in that: described movable contact block (4) is contained in the lower house (5), movable contact block (4) can slide up and down in lower house mounting groove (501), rotating shaft (1) is contained in the loam cake (6), footstalk (101) passes the footstalk hole (601) of loam cake (6), loam cake (6) inner bottom surface and ratchet (305) corresponding position are provided with limiting stand (602), rotating shaft body (102) upper surface of described rotating shaft (1) is provided with elasticity non-return folder (105), and loam cake (6) inner bottom surface locates to be provided with non-return boss (603) corresponding to elasticity non-return folder (105).
3. the close/open machine of a kind of switching device as claimed in claim 2, it is characterized in that: described rotating shaft body (102) lower surface is provided with locating shaft (106), rotating disk (3) has location hole (306) with locating shaft (106) corresponding position, locating shaft (106) is contained in the location hole (306), locating shaft (106) and location hole (306) matched in clearance.
4. the close/open machine of a kind of switching device as claimed in claim 2, it is characterized in that: described spring (2) is two, is contained in to form the circular arc spring in rotating disk (3) inner chamber.
5. the close/open machine of a kind of switching device as claimed in claim 2 is characterized in that: described ratchet (305) is that elastomeric material is made, and the lead-in chamfered (305a) of ratchet (305) is screw inclined plane.
6. the close/open machine of a kind of switching device as claimed in claim 2 is characterized in that: described elasticity non-return folder (105) is the elastomeric material making, and the non-return jaws is less than non-return boss (603).
7. such as the close/open machine of claim 2 or 5 described a kind of switching devices, it is characterized in that: described ratchet (305) is higher than rotating disk (3) upper surface 0～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563406.1A CN103021691B (en) | 2012-12-21 | 2012-12-21 | Switching-on and switching-off mechanism of switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563406.1A CN103021691B (en) | 2012-12-21 | 2012-12-21 | Switching-on and switching-off mechanism of switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103021691A true CN103021691A (en) | 2013-04-03 |
| CN103021691B CN103021691B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210563406.1A Active CN103021691B (en) | 2012-12-21 | 2012-12-21 | Switching-on and switching-off mechanism of switchgear |
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| Country | Link |
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| CN (1) | CN103021691B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180283A (en) * | 2018-01-04 | 2018-06-19 | 锐奇控股股份有限公司 | Gear adjusting device |
| CN108695082A (en) * | 2017-04-11 | 2018-10-23 | 上海良信电器股份有限公司 | Energy storage transmission mechanism and the rotary switch operating device for using the energy storage transmission mechanism |
| CN110089991A (en) * | 2019-04-23 | 2019-08-06 | 南通市传染病防治院(南通市第三人民医院) | A kind of Alimentary tract disease treatment surgical endoscope positioning device and its localization method |
| EP3413328A4 (en) * | 2016-02-05 | 2019-09-18 | Shanghai Liangxin Electrical Co., Ltd | Operating mechanism of rotary switch |
| WO2022098566A1 (en) * | 2020-11-04 | 2022-05-12 | Helen Of Troy Limited | Beauty tool switch mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04162320A (en) * | 1990-10-25 | 1992-06-05 | Toshiba Lighting & Technol Corp | changeover switch |
| CN101656163A (en) * | 2008-08-22 | 2010-02-24 | 东莞安联电器元件有限公司 | Ratchet mechanism and rotary switch with ratchet mechanism |
| CN202307573U (en) * | 2011-11-02 | 2012-07-04 | 浙江正泰机床电气制造有限公司 | Energy storage mechanism for combination switch |
| CN203038801U (en) * | 2012-12-21 | 2013-07-03 | 上海良信电器股份有限公司 | Closing and opening mechanism of switch device |
-
2012
- 2012-12-21 CN CN201210563406.1A patent/CN103021691B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04162320A (en) * | 1990-10-25 | 1992-06-05 | Toshiba Lighting & Technol Corp | changeover switch |
| CN101656163A (en) * | 2008-08-22 | 2010-02-24 | 东莞安联电器元件有限公司 | Ratchet mechanism and rotary switch with ratchet mechanism |
| CN202307573U (en) * | 2011-11-02 | 2012-07-04 | 浙江正泰机床电气制造有限公司 | Energy storage mechanism for combination switch |
| CN203038801U (en) * | 2012-12-21 | 2013-07-03 | 上海良信电器股份有限公司 | Closing and opening mechanism of switch device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3413328A4 (en) * | 2016-02-05 | 2019-09-18 | Shanghai Liangxin Electrical Co., Ltd | Operating mechanism of rotary switch |
| CN108695082A (en) * | 2017-04-11 | 2018-10-23 | 上海良信电器股份有限公司 | Energy storage transmission mechanism and the rotary switch operating device for using the energy storage transmission mechanism |
| CN108695082B (en) * | 2017-04-11 | 2024-02-23 | 上海良信电器股份有限公司 | Energy storage transmission mechanism and rotary switch operating device using same |
| CN108180283A (en) * | 2018-01-04 | 2018-06-19 | 锐奇控股股份有限公司 | Gear adjusting device |
| CN110089991A (en) * | 2019-04-23 | 2019-08-06 | 南通市传染病防治院(南通市第三人民医院) | A kind of Alimentary tract disease treatment surgical endoscope positioning device and its localization method |
| WO2022098566A1 (en) * | 2020-11-04 | 2022-05-12 | Helen Of Troy Limited | Beauty tool switch mechanism |
| US12035793B2 (en) | 2020-11-04 | 2024-07-16 | Helen Of Troy Limited | Hair appliance switch mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103021691B (en) | 2015-03-25 |
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