CN108538657B - Improved structure of rotary isolating switch operating mechanism - Google Patents
Improved structure of rotary isolating switch operating mechanism Download PDFInfo
- Publication number
- CN108538657B CN108538657B CN201710127686.4A CN201710127686A CN108538657B CN 108538657 B CN108538657 B CN 108538657B CN 201710127686 A CN201710127686 A CN 201710127686A CN 108538657 B CN108538657 B CN 108538657B
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- lock catch
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- rotating shaft
- energy storage
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000004146 energy storage Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model provides an improvement structure of rotary type isolator operating device, it includes upper cover (1), mounting base (2), lever (3), energy storage spring (4) and pivot (5), pivot (5) are adorned in pivot mounting groove (201) of mounting base (2) and can rotate in pivot mounting groove (201), energy storage spring (4) are adorned in recess (501) of pivot (5) inner chamber, lever (3) rotation in-process can compress energy storage spring (4) and make its energy storage, lever (3) drive pivot (5) forward rotation or reversal through the combined action of drive linkage (6) and energy storage spring (4) realize the control to isolator's switch-on and switch-off, this structure has reduced the loss of energy in the operation in-process, improve the energy conversion efficiency of product, improve the operation experience sense; meanwhile, the product tripping mode adopts elastic deformation to provide change of the movement mode, so that friction loss of the rotating shaft and the lock catch is reduced, breakage of the rotating shaft can be avoided, and the service life of the operating mechanism is prolonged.
Description
Technical Field
The invention belongs to the technical field of isolating switches, and particularly relates to an improved structure of a rotary isolating switch operating mechanism.
Background
The rotary switch has the functions of connection and disconnection, and has simple and compact structure, low manufacturing cost and small volume. The operating mechanism comprises an upper cover, a mounting base, a lever, an energy storage spring and a rotating shaft, wherein the rotating shaft is arranged in a rotating shaft mounting groove of the mounting base and can rotate in the rotating shaft mounting groove, the energy storage spring is arranged in a groove in an inner cavity of the rotating shaft, the end part of the energy storage spring props against a stop block in the groove, an open groove is formed in the upper end face of the rotating shaft, notch long groove holes are formed in the outer surfaces of the rotating shaft corresponding to the two side faces of the open groove, pawls are protruded out of the notch parts of the open groove, the pawls can be blocked by limit protruding blocks extending out of the inner side face of the upper cover in the rotating process of the rotating shaft, the lever comprises a lever handle and a lever disc, the lower surface of the lever disc extends out of a driving finger, the driving finger is inserted into the groove in the inner cavity of the rotating shaft, a protruding wall is arranged on the outer edge face of the lever disc, and a through hole extending out of the upper cover is inserted into the handle. The lever is driven to rotate by the handle, the lower end of the lever is connected with an actuating mechanism of the switch through a through hole on the rotating shaft and the mounting base, the convex wall can press the pawl to retract towards the notch long slot hole along the guide inclined plane on the pawl in the rotating process of the lever, the pawl is unlocked from the state blocked by the limiting convex block, the lever rotates to compress the energy storage spring, the rotating shaft rotates under the action of the compressing energy storage spring after the lever rotates to a designated position, the pawl is blocked by the limiting convex block again, and the position locking is realized, so that the aim of turning on or off a moving contact of the switch is achieved by forward or reverse rotation of the mechanism.
The operating mechanism of the rotary switch reduces the volume of the rotary switch and reduces the production cost of the rotary switch. However, the plastic deformation is carried out through the open slot of the compression rotating shaft, and the rotating shaft is subjected to long-term friction and impulse impact after the energy storage mechanism is released, so that the possibility of fracture exists, and the service life is short; meanwhile, as a large operation force is required for plastic deformation, the operation hand feeling is poor.
Disclosure of Invention
The invention aims at solving the technical defects that the prior rotary isolating switch operating mechanism is easy to break a rotating shaft and shortens the service life of the operating mechanism by utilizing the plastic deformation of an opening groove of a compression rotating shaft to realize the switching on and off, and provides an improved structure of the rotary isolating switch operating mechanism, which can avoid the breaking of the rotating shaft and prolong the service life of the operating mechanism.
Technical proposal
In order to achieve the technical purpose, the invention designs an improved structure of a rotary isolating switch operating mechanism, which comprises an upper cover, a mounting base, a lever, an energy storage spring and a rotating shaft, wherein the rotating shaft is arranged in a rotating shaft mounting groove of the mounting base and can rotate in the rotating shaft mounting groove, the energy storage spring is arranged in a groove in an inner cavity of the rotating shaft, the energy storage spring can be compressed to store energy in the rotating process of the lever, and the lever drives the rotating shaft to rotate positively or reversely under the combined action of a driving linkage structure and the energy storage spring to realize the control of switching on and switching off of the isolating switch, and the rotary isolating switch operating mechanism is characterized in that:
the driving linkage structure comprises a first lock catch and a second lock catch, wherein the first slope-shaped rib and the second slope-shaped rib are arranged on the upper end face of a lever disc of the lever in a ring shape, one ends of the first slope-shaped rib and the second slope-shaped rib are opposite, the first lock catch and the second lock catch are respectively arranged on the first slope-shaped rib and the second slope-shaped rib, the outer end sides of the first lock catch and the second lock catch are respectively arranged in a first groove and a second groove of the upper cover, one ends of the first return spring and the second return spring are respectively arranged in a first spring mounting groove and a second spring mounting groove of the upper cover, the other ends of the first return spring and the second return spring are respectively arranged in a first return spring groove and a second return spring groove on the second lock catch, and in the lever rotation process, and the first lock catch and the second lock catch can only do straight line movement up and down under the combined action of the first slope-shaped rib and the second return spring;
the first and second lock catches can be matched with the corresponding first and second limit surfaces and the first limit block to limit the rotating stroke of the rotating shaft in the rotating process of the rotating shaft.
Further, the center angle of the rotating shaft corresponding to the first limiting surface and the second limiting surface is 90 degrees, the first lock catch and the second lock catch are positioned on the radial axis of the lever disc and are arranged in the first groove and the second groove of the upper cover, and the first limiting block is positioned in the middle of the first groove and the second groove.
Further, notch grooves are formed in the first lock catch and the second lock catch, the first lock catch and the second lock catch are mounted on the corresponding first slope-shaped rib and the corresponding second slope-shaped rib through the notch grooves respectively, the slopes of the notch grooves are identical to those of the first slope-shaped rib and the slope-shaped rib, and the first groove and the second groove are respectively located on the outer sides of the first spring installation groove and the outer sides of the second spring installation groove.
Furthermore, the outer ends of the first lock catch and the second lock catch extend out of the disc surface of the lever disc, and in the rotating process of the rotating shaft, the unlocking or locking of the rotating shaft can be realized through the contact or separation between the first lock catch and the second lock catch and the corresponding first limit surface and the corresponding second limit surface and the corresponding first limit block.
Further, the first limiting surface and the second limiting surface are two side walls of an opening groove on the cavity wall of the rotating shaft.
Further, the first lock catch and the bottom surface of the outer end of the lock catch are provided with lock catch inclined bosses, the upper surfaces of the rotating shaft cavity walls on the outer sides of the first limit surface and the second limit surface are provided with rotating shaft inclined grooves corresponding to the lock catch inclined bosses, and the depth of the rotating shaft inclined grooves is larger than the height of the lock catch inclined bosses.
Further, two energy storage springs are horizontally arranged in the inner cavity of the rotating shaft to form an arc-shaped spring, the end parts of the energy storage springs are propped against the stop blocks in the grooves, the stop blocks comprise a front stop block and a rear stop block, the first ends of the two energy storage springs are respectively propped against the front stop block and the rear stop block, the lower surface of the lever disc extends out of the driving finger, and the driving finger is inserted into the groove in the inner cavity of the rotating shaft to compress the energy storage springs in the rotating process of the lever.
Further, the upper end of the lever extends out of the lever handle and penetrates through the through hole of the upper cover to be inserted into the handle, a limiting boss is arranged on the lever handle, a limiting rib is arranged on the inner surface of the upper cover and located on the outer side of the through hole, and the stroke of the limiting boss is controlled by the limiting rib in the rotation process of the lever.
The upper cover and the mounting base are fixed together.
Advantageous effects
According to the improved structure of the rotary isolating switch operating mechanism, the lock catch is adopted to move up and down along with the rotation of the lever, the lock catch compresses the return spring along the fixed track while the energy storage spring is compressed in the rotation process of the lever, so that the energy loss in the operation process is reduced, the energy conversion efficiency of a product is improved, and the operation experience is improved; meanwhile, the product tripping mode adopts elastic deformation to provide change of the movement mode, so that friction loss of the rotating shaft and the lock catch is reduced, breakage of the rotating shaft can be avoided, and the service life of the operating mechanism is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic view of the upper cover structure in the embodiment of the invention;
FIG. 4 is a schematic view of a lever structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a rotor structure in an embodiment of the present invention;
FIG. 6 is a schematic view of a mounting base structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a latch according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a return spring pocket in one position according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a latch according to an embodiment of the present invention.
FIG. 10 is a schematic diagram of a two-position structure of a return spring groove according to an embodiment of the present invention;
Detailed Description
The invention will be described in detail with reference to the drawings and examples
Examples
As shown in fig. 1 to 10, an improved structure of a rotary isolating switch operating mechanism comprises an upper cover 1, wherein the upper cover 1 and a mounting base 2 are fixed together, a rotating shaft 5 is arranged in a rotating shaft mounting groove 201 of the mounting base 2 and can rotate in the rotating shaft mounting groove 201, an energy storage spring 4 is arranged in a groove 501 in an inner cavity of the rotating shaft 5, a lever handle 301 extending out of the upper end of the lever 3 is inserted into a handle 9 through a through hole of the upper cover 1, a limit boss 301a is arranged on the lever handle 301, a limit rib 107 is arranged on the inner surface of the upper cover 1 and positioned outside the through hole, and the stroke of the limit boss 301a is controlled by the limit rib 107 in the rotating process of the lever 3. The two energy storage springs 4 are horizontally arranged in the inner cavity of the rotating shaft 5 to form an arc-shaped spring, the end parts of the energy storage springs 4 are propped against the stop blocks 501a in the grooves 501, the stop blocks 501a comprise a front stop block 501a01 and a rear stop block 501a02, the head ends of the two energy storage springs 4 are propped against the front stop block 501a01 and the rear stop block 501a02 respectively, the lower surface of the lever disc 302 extends out of the driving finger 302a, the driving finger 302a is inserted into the groove 501 in the inner cavity of the rotating shaft 5 to compress the energy storage springs 4 in the process of lever rotation, and the lever 3 drives the rotating shaft 5 to rotate positively or reversely under the combined action of the driving linkage structure 6 and the energy storage springs 4 to realize the control of switching on and switching off of the isolating switch.
Preferably, the driving linkage structure 6 includes a first latch 601 and a second latch 602, the first and second latch 603 and the second latch 604 are disposed in a circle on the upper end surface of the lever plate 302 of the lever 3, the first and second latch 603 and 604 are opposite to each other at a higher end of the first and second latch 604, a notch slot 605 is disposed on the first and second latch 601 and 602, the first and second latch 601 and 602 are respectively mounted on the first and second corresponding ramp 603 and 604 through the notch slot 605, the first and second latch 603 and 604 have the same gradient, the outer end sides of the first and second latch 601 and 602 are respectively disposed in the first and second slots 101 and 102 of the upper cover 1, the outer end sides of the first and second latch 601 and the corresponding first and second slots 101 and 102 have gaps in the vertical direction, one ends of the first and second return springs 7 and 8 are respectively disposed in the first and second spring mounting slots 103 and 104 of the first and second spring mounting slots 103 a and 602 of the second return springs 8 are respectively mounted on the corresponding first latch 601 and second spring mounting slots 103 and 602 and the second spring mounting slots 102 a and the second spring mounting slot 102 of the second return spring 8 are respectively disposed in the first and second spring mounting slots 103 and 102 and the second spring mounting slot 102 of the upper cover 1.
In the rotation process of the lever 3, the freedom degree of the first lock catch 601 in the horizontal direction is limited by the first groove 101, the first slope-shaped rib 603 and the first return spring 7 can move up and down under the action of the vertical force, and similarly, the freedom degree of the second lock catch 602 in the horizontal direction is limited by the second groove 102, and the second slope-shaped rib 604 and the second return spring 8 can move up and down under the action of the vertical force;
in order to limit the rotation stroke of the rotating shaft 5, a first limiting surface 502 and a second limiting surface 503 are arranged on the cavity wall of the rotating shaft 5, and a first limiting block 1056 is arranged on the upper cover 1, preferably, the first limiting surface 502 and the second limiting surface 503 are two side walls of an opening groove on the cavity wall of the rotating shaft 5.
In the rotation process of the rotating shaft 5, the first lock catch 601 and the second lock catch 602 can be matched with the corresponding first limit surface 502, the second limit surface 503 and the first limit block 105 to limit the rotation stroke of the rotating shaft 5, preferably, the center angle of the rotating shaft 5 corresponding to the first limit surface 502 and the second limit surface 503 is 90 0 The first lock catch 601 and the second lock catch 602 are located on the radial axis of the lever disc 302 and are arranged in the first groove 101 and the second groove 102 of the upper cover, and the limiting block 105 is located in the middle of the first groove 101 and the second groove 102.
The outer ends of the first lock catch 601 and the second lock catch 602 extend out of the disc surface of the lever disc 302, lock catch inclined bosses 606 are arranged on the bottom surfaces of the outer ends of the first lock catch 601 and the second lock catch 602, rotating shaft inclined grooves 504 are arranged on the upper surfaces of the cavity walls of the rotating shafts 5 on the outer sides of the first limit surface 502 and the second limit surface 503 and correspond to the lock catch inclined bosses 606, and the depth of the rotating shaft inclined grooves 504 is larger than the height of the lock catch inclined bosses 606. In the initial state, the first lock catch 601 is in contact with the first limit surface 502, the second limit surface 503 is in contact with one side surface of the first limit block 105, the lever 3 is driven to rotate correspondingly through the rotation of the handle 9, the lower end of the lever 3 is connected with an actuating mechanism of the switch through a through hole on the rotating shaft 5 and the mounting base 2, the energy storage spring 4 is compressed in the rotating process of the lever 3, meanwhile, the first lock catch 601 moves linearly upwards, when the lever 3 compresses the energy storage spring 4 by 90 degrees, the rotating shaft 5 is unlocked after the rising height of the first lock catch 601 exceeds the height of the first limit surface 502, the rotating shaft 5 rotates under the action of the energy storage spring 4, the first lock catch 601 always only contacts with the oblique boss 606 of the lock catch and the oblique groove 504 of the rotating shaft when the rotating shaft 5 starts to rotate, the contact area existing in the rotating process is reduced, the switching speed is improved, the first limit surface 502 contacts with the other side surface of the first limit block 105 after the rotating shaft 5 rotates by 90 degrees, meanwhile, the second lock catch 602 moves downwards under the action of the second reset spring 8, and the second lock catch 602 contacts with the second limit surface 803 to realize position locking. Conversely, the handle 9 is rotated in the opposite direction according to the same principle.
The structures, proportions, sizes, etc. shown in the drawings of the present embodiment are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustment should not be construed as essential to the invention, but should still fall within the scope of the invention as defined by the appended claims. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (9)
1. The utility model provides an improvement structure of rotary type isolator operating device, it includes upper cover (1), mounting base (2), lever (3), energy storage spring (4) and pivot (5), pivot (5) are adorned in pivot mounting groove (201) of mounting base (2) and can be at pivot mounting groove (201) internal rotation, energy storage spring (4) are adorned in recess (501) of pivot (5) inner chamber, lever (3) rotation in-process can compress energy storage spring (4) and make its energy storage, lever (3) drive pivot (5) corotation or reversal through the combined action of drive linkage (6) and energy storage spring (4) realize the control to isolator's switch-on and switch-off, its characterized in that:
the driving linkage structure (6) comprises a first lock catch (601) and a second lock catch (602), the first slope rib (603) and the second slope rib (604) are arranged on the upper end face of a lever disc (302) of the lever (3) in a circle shape, one ends of the first slope rib (603) and the second slope rib (604) which are higher are opposite, the first lock catch (601) and the second lock catch (602) are respectively arranged on the corresponding first slope rib (603) and the second slope rib (604), the outer end sides of the first lock catch (601) and the second lock catch (602) are respectively arranged in a groove (101) and a groove (102) of the upper cover (1), one ends of a return spring (7) and a return spring (8) are respectively arranged in a spring groove (103) and a spring mounting groove (104) of the upper cover (1), the other ends of the return spring (7) and the return spring (8) are respectively arranged in a return spring groove (601 a) on the corresponding lock catch (601), and the return spring groove (602) on the lock catch (602) are respectively arranged in a straight line, and the return spring (602) and the first slope (8) can only move in a straight line and the second slope (3) in a straight line manner;
be provided with spacing face one (502) and spacing face two (503) on the chamber wall of pivot (5), be equipped with stopper one (105) on upper cover (1), thereby pivot (5) rotate in-process, hasp one (601) and hasp two (602) can cooperate with corresponding spacing face one (502) and spacing face two (503) and stopper one (105) and restrict the rotation stroke of pivot (5).
2. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the limit isThe central angle of the rotating shaft (5) corresponding to the first position surface (502) and the second position limiting surface (503) is 90 0 The first lock catch (601) and the second lock catch (602) are positioned on the radial axis of the lever disc (302) and are arranged in the first groove (101) and the second groove (102) of the upper cover, and the first limiting block (105) is positioned in the middle of the first groove (101) and the second groove (102).
3. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the novel spring lock is characterized in that notch grooves (605) are formed in the first lock catch (601) and the second lock catch (602), the first lock catch (601) and the second lock catch (602) are mounted on the corresponding first slope-shaped rib (603) and the corresponding second slope-shaped rib (604) through the notch grooves (605), the slopes of the notch grooves (605), the first slope-shaped rib (603) and the second slope-shaped rib (604) are identical, and the first groove (101) and the second groove (102) are located on the outer sides of the first spring installation groove (103) and the second spring installation groove (104) respectively.
4. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the outer ends of the first lock catch (601) and the second lock catch (602) extend out of the disc surface of the lever disc (302), and in the rotating process of the rotating shaft (5), the first lock catch (601) and the second lock catch (602) can unlock or lock the rotating shaft (5) through contact or separation between the first lock catch (601) and the corresponding limiting surface (502), the second limit surface (503) and the first limit block (105) in the vertical linear motion process.
5. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the first limiting surface (502) and the second limiting surface (503) are two side walls of an opening groove on the cavity wall of the rotating shaft (5).
6. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the two energy storage springs (4) are horizontally arranged in the inner cavity of the rotating shaft (5) to form an arc-shaped spring, the end parts of the energy storage springs (4) are propped against the stop blocks (501 a) in the grooves (501), the stop blocks (501 a) comprise front stop blocks (501 a 01) and rear stop blocks (501 a 02), the head ends of the two energy storage springs (4) are propped against the front stop blocks (501 a 01) and the rear stop blocks (501 a 02) respectively, the lower surfaces of the lever discs (302) extend out of the driving fingers (302 a), and the driving fingers (302 a) are inserted into the grooves (501) in the inner cavity of the rotating shaft (5) to compress the energy storage springs (4) in the lever rotating process.
7. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the upper end of the lever (3) extends out of the lever handle (301) and is inserted into the handle (9) through the through hole of the upper cover (1), a limit boss (301 a) is arranged on the lever handle (301), a limit rib (107) is arranged on the inner surface of the upper cover (1) and located on the outer side of the through hole, and the stroke of the limit boss (301 a) is controlled by the limit rib (107) in the rotation process of the lever (3).
8. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the upper cover (1) and the mounting base (2) are fixed together.
9. An improved structure of a rotary disconnecting switch operating mechanism according to claim 1, characterized in that: the outer end bottom surfaces of the first lock catch (601) and the second lock catch (602) are provided with lock catch inclined bosses (606), the upper surfaces of the cavity walls of the rotating shafts (5) on the outer sides of the first limit surface (502) and the second limit surface (503) are provided with rotating shaft inclined grooves (504) corresponding to the lock catch inclined bosses (606), and the depth of the rotating shaft inclined grooves (504) is larger than the height of the lock catch inclined bosses (606).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127686.4A CN108538657B (en) | 2017-03-06 | 2017-03-06 | Improved structure of rotary isolating switch operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127686.4A CN108538657B (en) | 2017-03-06 | 2017-03-06 | Improved structure of rotary isolating switch operating mechanism |
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| CN108538657A CN108538657A (en) | 2018-09-14 |
| CN108538657B true CN108538657B (en) | 2024-02-20 |
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| CN201710127686.4A Active CN108538657B (en) | 2017-03-06 | 2017-03-06 | Improved structure of rotary isolating switch operating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911187B (en) * | 2018-09-18 | 2024-07-16 | 上海良信电器股份有限公司 | Rotary switch operating mechanism |
| CN110911186A (en) * | 2018-09-18 | 2020-03-24 | 上海良信电器股份有限公司 | Improved rotary switch operating mechanism |
| CN109494085A (en) * | 2018-11-20 | 2019-03-19 | 贵州泰永长征技术股份有限公司 | A kind of two section manual change-over switch electric appliances |
| CN109484603B (en) * | 2018-12-24 | 2024-04-02 | 宁波海伯集团有限公司 | Operating device of marine propeller |
| CN110706965B (en) * | 2019-10-15 | 2022-04-01 | 浙江正泰机电电气有限公司 | Isolating switch |
| CN112652490A (en) * | 2020-12-28 | 2021-04-13 | 成都极米科技股份有限公司 | Bidirectional resilience type deflector rod mechanism and equipment |
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| CN2450775Y (en) * | 2000-11-02 | 2001-09-26 | 南海市华南电器厂 | Rotary load isolating switch |
| EP2276048A2 (en) * | 2009-07-17 | 2011-01-19 | Abb Ag | Switching device with rotary handle |
| CN202008930U (en) * | 2011-04-08 | 2011-10-12 | 汉斯（福州）电气有限公司 | Energy storing device for spring operation mechanism of high-voltage switch |
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| CN108538657A (en) | 2018-09-14 |
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