CN112331508A - Automatic change-over switch - Google Patents
Automatic change-over switch Download PDFInfo
- Publication number
- CN112331508A CN112331508A CN202011341246.7A CN202011341246A CN112331508A CN 112331508 A CN112331508 A CN 112331508A CN 202011341246 A CN202011341246 A CN 202011341246A CN 112331508 A CN112331508 A CN 112331508A
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- CN
- China
- Prior art keywords
- gear
- automatic
- manual
- locking
- control knob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- H01H19/14—Operating parts, e.g. turn knob
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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
- H01H19/20—Driving mechanisms allowing angular displacement of the operating part to be effective in either direction
- H01H19/24—Driving mechanisms allowing angular displacement of the operating part to be effective in either direction acting with snap action
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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
- H01H19/50—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 the operating part having four operative positions, e.g. off/two-in-series/one-only/two-in-parallel
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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
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
Landscapes
- Mechanisms For Operating Contacts (AREA)
Abstract
An automatic change-over switch comprises a shell, a control knob, a control unit, a panel and a change-over switch, wherein the control knob controls the control unit to rotate, the panel is installed on the shell, the control unit comprises a motor, an automatic gear and a manual gear, the motor controls the automatic gear to rotate and to be static, the change-over switch comprises a horizontal transmission gear and a vertical transmission gear, the vertical transmission gear comprises a sector gear outer ring and a gear shaft, two positioning grooves are symmetrically arranged on the sector gear outer ring and the gear shaft, the gear shaft is connected with two transmission support plates, two positioning lugs and two trigger columns are symmetrically arranged on the transmission support plates, the positioning lugs are correspondingly matched with the positioning grooves, four positioning rotating shafts are arranged on the installation plate, a connecting rod is sleeved on the radial direction of each positioning rotating shaft, a spring is further sleeved on each connecting rod, the, the arc length of the positioning groove along the circumferential direction is greater than that of the positioning lug along the circumferential direction.
Description
Technical Field
The invention relates to an automatic change-over switch, in particular to a transmission mechanism of the automatic change-over switch.
Background
The traditional automatic transfer switch transmission mechanism is complex in structure and easy to have the defects of transmission failure and unsmooth switching, and at present, most of motors are adopted to directly drive upper and lower connecting rods to control moving contacts in two cavities to switch on and separate through gear rotating shafts, but the structure is transverse pulling type switching of upper and lower layers, so that the product height needs larger size, and meanwhile, the switching-on and breaking capacity is not high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automatic change-over switch has compact and reasonable structure, safety, reliability and rapid transmission.
In order to solve the technical problems, the invention adopts the following technical scheme: an automatic change-over switch comprises a shell, a control knob, a control unit, a panel and a change-over switch, wherein the control knob controls the control unit to rotate, the panel is installed on the shell, the control unit comprises a motor, an automatic gear and a manual gear, the motor controls the automatic gear to rotate and to be static, the change-over switch comprises a horizontal transmission gear and a vertical transmission gear, the manual gear and the automatic gear are matched with the horizontal transmission gear and drive the horizontal transmission gear to rotate, the horizontal transmission gear is meshed with the vertical transmission gear and drive the vertical transmission gear to rotate, the vertical transmission gear is fixed on the shell through a mounting plate, the vertical transmission gear comprises a sector gear outer ring and a gear shaft, the sector gear outer ring and the gear shaft are symmetrically provided with two positioning grooves, and the gear shaft is, the symmetry is equipped with two location lugs and two trigger posts on the transmission extension board, the location lug corresponds the cooperation with positioning groove, be equipped with four location pivots on the mounting panel, the radial direction cover of location pivot is equipped with the connecting rod, the fixed cover of connecting rod one end is equipped with on triggering the post, and the fixed cover of connecting rod other end axial is established in the location pivot, still overlaps on the connecting rod to be equipped with the spring, the spring is located corresponding trigger post and location pivot between, it is connected with circuit switch to trigger the post correspondence, circuit switch switches on corresponding circuit, positioning groove is greater than the arc length of location lug along the circumferencial direction.
The automatic change-over switch provided by the invention has the beneficial effects that: in order to facilitate the operation of the control knob to rotate in the horizontal direction of the panel, the horizontal transmission gear is matched with the vertical transmission gear to be converted into rotation in the vertical direction to drive the transmission mechanism to trigger a circuit switch, the structure is more compact and reasonable, the vertical transmission gear is provided with a positioning groove which is in clamping fit with a positioning lug on the transmission support plate to realize transmission, when the vertical transmission gear starts to drive the transmission support plate to rotate, a hinge point of a connecting rod sleeve arranged on a trigger column is positioned at one side of a connecting line of a positioning rotating shaft and a central shaft of the vertical gear and moves towards the other side of the connecting line, at the moment, the structure of a connecting rod firstly compresses a spring, the connecting rod rotates around the positioning rotating shaft along with the rotation of the transmission support plate, and when the transmission support plate rotates to the hinge point of the connecting rod sleeve arranged on the trigger column is, when the transmission support plate is rotated again, the spring expands and provides elastic force to drive the transmission support plate to rapidly rotate to the position of the trigger post trigger circuit switch, so that the purpose of rapid switching is achieved, and the arc length of the positioning groove in the circumferential direction is larger than that of the positioning lug in the circumferential direction, so that a movement space is provided for the spring to push the transmission support plate to rapidly trigger the circuit switch.
Furthermore, a locking gear, a manual gear, an automatic gear and an emergency operation gear are arranged on the panel, a control knob can be rotated to respectively correspond to the locking gear, the manual gear, the automatic gear and the emergency operation gear, a motor of the control unit is controlled to be turned on and off by a microswitch, a wrench jack is arranged on the manual gear, a manual through hole is also arranged on the panel, the wrench jack corresponds to the manual through hole, a shielding piece, a switch pressing piece and a downward pressing upper inclined plane are arranged on the control knob, the shielding piece is in intermittent fit with the manual through hole, the control knob is separated from the fit with the manual through hole and exposes the wrench jack when corresponding to the manual gear, the switch pressing piece is in intermittent fit with the microswitch, the control knob is matched with the microswitch and turns on the motor when corresponding to the automatic gear, a gear pressing ring is sleeved on the automatic gear, and a, gear clamping ring one end is coaxial with automatic gear, and gear clamping ring other end cover is established on a reference column, inclined plane and the inclined plane that pushes down cooperate on pushing down of control knob, and when control knob rotated to corresponding manual gear, the inclined plane was pushed down through the cooperation with pushing down the inclined plane and gear clamping ring and automatic gear move down and break away from the cooperation, emergency operation gear is located automatic gear to the reverse direction of manual gear, and when control knob rotated to corresponding emergency operation gear, the shielding piece broke away from with the cooperation of manual through-hole and expose the spanner jack, the switch preforming breaks away from and closes the motor with the micro-gap switch cooperation.
The beneficial effect of the above improvement is: when the manual gear is selected, a wrench jack on the manual gear is exposed through the rotation of the control knob, a wrench can be inserted into the wrench jack through the manual through hole at the moment, the manual gear is rotated, and then the manual gear is connected with a gear of the power supply switching mechanism, so that the purpose of manually switching a power supply is achieved; when an automatic gear is selected, a wrench jack on the manual gear is moved to an upper position by a shielding piece on a control knob to shield the wrench jack, so that the manual switching function cannot be used, meanwhile, a switch pressing piece on the control knob moves to a micro switch, the micro switch of the control motor is started, the motor is started to drive the automatic gear, and the automatic gear is connected with a gear of a power supply switching mechanism to achieve the purpose of electrically and automatically switching a power supply; when the gear is selected to be locked, a microswitch of the motor is stopped due to the leaving of a switch pressing sheet, a wrench jack on the manual gear is moved to an upper position by another shielding sheet on the control knob to shield the control knob, when the automatic gear is switched to the manual gear, the control knob is rotated, a lower pressing upper inclined plane on a gear pressing ring sleeved on the automatic gear is matched with a lower pressing inclined plane on the gear pressing ring, one end of the gear pressing ring is coaxial with the automatic gear, the other end of the gear pressing ring is sleeved on a positioning column, therefore, the gear pressing ring and the automatic gear can only move downwards to be separated from matching, but if the automatic gear is switched to the manual gear, the manual gear cannot be turned to the manual gear due to the motor failure or gear seizure, the microswitch can be rotated to an emergency operation gear in the other direction without overcoming the switching resistance, and at the moment, the switch pressing sheet, and expose the spanner jack on the manual gear, can use manual switching function, reached safe and reliable's performance more.
The automatic transfer switch provided by the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an automatic transfer switch provided by the invention in a manual gear position.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an enlarged schematic view of the control unit in fig. 2.
Fig. 4 is a schematic structural view of the automatic transfer switch in the automatic range.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is an enlarged schematic view of the control unit in fig. 5.
Fig. 7 is a schematic structural view of the automatic transfer switch in the locked position.
Fig. 8 is an exploded view of fig. 7.
Fig. 9 is an enlarged schematic view of the control knob of fig. 8.
Fig. 10 is an enlarged schematic view of the control unit in fig. 8.
Fig. 11 is a schematic structural view of the automatic transfer switch in the emergency operation range.
Fig. 12 is an exploded view of fig. 11.
Fig. 13 is an enlarged schematic view of the control knob of fig. 12.
Fig. 14 is a schematic view of the structure of the panel of fig. 11.
Fig. 15 is an exploded view of fig. 14.
Fig. 16 is a schematic view of the structure of the control unit of fig. 7 cooperating with the switch and the mounting plate.
Fig. 17 is a schematic view of the structure of the switch, the transmission plate and the circuit switch.
FIG. 18 is an exploded view of the vertical drive gear and a drive plate.
Detailed Description
As shown in fig. 1-15, an automatic transfer switch comprises a housing 1, a control knob 2, a control unit 3, a panel 4 and a transfer switch 5, wherein the control knob 2 controls the control unit 3 to rotate, the panel 4 is mounted on the housing 1, the control unit 3 comprises a motor 31, an automatic gear 32 and a manual gear 33, the motor 31 controls the automatic gear 32 to rotate and stop, the transfer switch 5 comprises a horizontal transmission gear 51 and a vertical transmission gear 52, the manual gear 33 and the automatic gear 32 are matched with the horizontal transmission gear 51 and drive the horizontal transmission gear 51 to rotate, the horizontal transmission gear 51 is engaged with the vertical transmission gear 52 and drive the vertical transmission gear 52 to rotate, the vertical transmission gear 52 is fixed on the housing 1 through a mounting plate 7,
the vertical transmission gear 52 comprises a sector gear outer ring 521 and a gear shaft 522, two positioning grooves 523 are symmetrically arranged on the sector gear outer ring 521 and the gear shaft 522, the gear shaft 522 is connected with two transmission support plates 6, the transmission support plate 6 is symmetrically provided with two positioning bumps 61 and two triggering columns 62, the positioning bumps 61 are correspondingly matched with the positioning grooves 523, four positioning rotating shafts 71 are arranged on the mounting plate 7, a connecting rod 72 is sleeved on the radial direction of each positioning rotating shaft 71, one end of the connecting rod 72 is fixedly sleeved with the trigger column 62, the other end of the connecting rod 72 is axially movably sleeved on the positioning rotating shaft 71, the connecting rod 72 is further sleeved with a spring 73, the spring 73 is positioned between the corresponding triggering column 62 and the positioning rotating shaft 71, the triggering column 62 is correspondingly connected with the circuit switch 8, the circuit switch 8 is connected to a corresponding circuit, and the arc length of the positioning groove 523 in the circumferential direction is greater than the arc length of the positioning bump 61 in the circumferential direction.
As shown in fig. 1-15, a locking position 41, a manual position 42, an automatic position 43, and an emergency position 44 are provided on the panel 4, the rotary control knob 2 can correspond to the locking position 41, the manual position 42, the automatic position 43, and the emergency position 44, respectively, the motor 31 of the control unit 3 is controlled to be turned on and off by the micro switch 34, the manual gear 33 is provided with a wrench insertion hole 331, the panel 4 is further provided with a manual through hole 45, the wrench insertion hole 331 corresponds to the manual through hole 45, the control knob 2 is provided with a shielding plate 21, a switch pressing plate 22, and a downward pressing upper inclined surface 23, the shielding plate 21 is intermittently engaged with the manual through hole 45, the shielding plate 21 is disengaged from the manual through hole 45 and exposes the wrench insertion hole 331 when the control knob 2 corresponds to the manual position 42, the switch 22 is intermittently engaged with the micro switch 34, and is engaged with the micro switch 34 and turns on the motor 31 when the control knob 2 corresponds, automatic gear 32 is gone up the cover and is equipped with gear clamping ring 321, be equipped with down on gear clamping ring 321 and push down inclined plane 322, gear clamping ring 321 one end is coaxial with automatic gear 32, and gear clamping ring 321 other end cover is established on a reference column 323, inclined plane 23 cooperatees with pushing down inclined plane 322 down on the push down of control knob 2, and control knob 2 rotates when corresponding manual gear 42, pushes down inclined plane 23 and promotes gear clamping ring 321 and automatic gear 32 and remove the cooperation downwards through the cooperation with pushing down inclined plane 322, emergency operation gear 44 is located automatic gear 43 to manual gear 42's opposite direction, and when control knob 2 rotates to corresponding emergency operation gear 44, shielding piece 21 breaks away from and exposes spanner jack 331 with manual through-hole 45's cooperation, and switch preforming 22 breaks away from and closes motor 31 with micro-gap switch 34 cooperation.
As shown in fig. 7 and 15, the control knob 2 is further provided with a locking sliding piece 24, the locking sliding piece 24 slides on the control knob 2 along the horizontal direction, the reverse position of the panel 4 corresponding to the locking position 41 is provided with a locking groove 46, the locking groove 46 is matched with the locking sliding piece 24 to limit the rotation of the control knob 2, the locking groove 46 is arranged at the reverse position of the locking position 41, the locking sliding piece 24 can slide backwards to the locking groove 46 when the locking position 41 is selected, and therefore the purpose of limiting the rotation of the control knob 2 is achieved.
As shown in fig. 9, the control knob 2 is further provided with an outer locking through hole 25, the inner locking through hole 26 is provided on the locking sliding piece 24, and when the locking groove 46 is engaged with the locking sliding piece 24, the outer locking through hole 25 corresponds to the inner locking through hole 26, and this structure can lock the outer locking through hole 25 and the inner locking through hole 26 by using a padlock after selecting the position of the locking position 41, and only after a manager takes a key to unlock the padlock, the selection can be switched again.
As shown in fig. 15, the lower end of the locking slip sheet 24 is provided with a limiting groove 241, the panel 4 is provided with a limiting boss 47, the limiting groove 241 is matched with the limiting boss 47, the limiting groove 241 and the limiting boss 47 are arranged, a safety can be added when the control knob is rotated, the control knob 2 can be rotated only when the locking slip sheet 24 is moved to a correct position, and the purpose of switching operation selection is achieved.
As shown in fig. 16, a limiting column 9 is arranged between the two transmission support plates 6, the limiting column 9 limits the maximum rotation angle of the transmission support plates 6, and the arrangement of the limiting column 9 can effectively prevent the transmission support plates 6 from over-rotation, thereby improving the safety and reliability.
Claims (6)
1. An automatic change-over switch, includes casing (1), control knob (2), the control unit (3), panel (4) and change over switch (5), its characterized in that: the control knob (2) controls the control unit (3) to rotate, the panel (4) is installed on the shell (1), the control unit (3) comprises a motor (31), an automatic gear (32) and a manual gear (33), the motor (31) controls the automatic gear (32) to rotate and stop, the change-over switch (5) comprises a horizontal transmission gear (51) and a vertical transmission gear (52), the manual gear (33) and the automatic gear (32) are matched with the horizontal transmission gear (51) and drive the horizontal transmission gear (51) to rotate, the horizontal transmission gear (51) is meshed with the vertical transmission gear (52) and drives the vertical transmission gear (52) to rotate, the vertical transmission gear (52) is fixed on the shell (1) through a mounting plate (7), and the vertical transmission gear (52) comprises a sector gear outer ring (521) and a gear shaft (522), the sector gear outer ring (521) and the gear shaft (522) are symmetrically provided with two positioning grooves (523), the gear shaft (522) is connected with two transmission support plates (6), the transmission support plates (6) are symmetrically provided with two positioning lugs (61) and two trigger columns (62), the positioning lugs (61) are correspondingly matched with the positioning grooves (523), the mounting plate (7) is provided with four positioning rotating shafts (71), the radial direction of each positioning rotating shaft (71) is sleeved with a connecting rod (72), one end of each connecting rod (72) is fixedly sleeved with the corresponding trigger column (62), the other end of each connecting rod (72) is axially movably sleeved on the corresponding positioning rotating shaft (71), the connecting rod (72) is further sleeved with a spring (73), the spring (73) is positioned between the corresponding trigger column (62) and the corresponding positioning rotating shaft (71), and the trigger column (62) is correspondingly connected with a circuit switch (8), the circuit switch (8) is connected with a corresponding circuit, and the arc length of the positioning groove (523) along the circumferential direction is greater than that of the positioning bump (61) along the circumferential direction.
2. An automatic transfer switch as claimed in claim 1, wherein: the automatic transmission is characterized in that a locking gear (41), a manual gear (42), an automatic gear (43) and an emergency operation gear (44) are arranged on the panel (4), the control knob (2) is rotated to respectively correspond to the locking gear (41), the manual gear (42), the automatic gear (43) and the emergency operation gear (44), a motor (31) of the control unit (3) is controlled to be turned on and turned off through a microswitch (34), a wrench jack (331) is arranged on the manual gear (33), a manual through hole (45) is further arranged on the panel (4), the wrench jack (331) corresponds to the manual through hole (45), a shielding piece (21), a switch pressing piece (22) and a pressing upper inclined plane (23) are arranged on the control knob (2), the shielding piece (21) is intermittently matched with the manual through hole (45), and is separated from the manual through hole (45) and exposes the wrench jack (331) when the control knob (2) corresponds to the manual gear (42), the switch pressing sheet (22) is intermittently matched with the microswitch (34), the control knob (2) is matched with the microswitch (34) when corresponding to an automatic gear (43) and starts the motor (31), the automatic gear (32) is sleeved with the gear pressing ring (321), the gear pressing ring (321) is provided with a downward pressing inclined plane (322), one end of the gear pressing ring (321) is coaxial with the automatic gear (32), the other end of the gear pressing ring (321) is sleeved on one positioning column (323), the downward pressing upper inclined plane (23) of the control knob (2) is matched with the downward pressing inclined plane (322), when the control knob (2) rotates to correspond to the manual gear (42), the downward pressing upper inclined plane (23) pushes the gear pressing ring (321) and the automatic gear (32) to move downwards to be separated from the matching through the matching of the downward pressing inclined plane (322), the emergency operation gear (44) is positioned in the opposite direction from the automatic gear (43) to the manual gear (42), when the control knob (2) rotates to a position corresponding to the emergency operation gear (44), the shielding piece (21) is separated from the matching with the manual through hole (45) and exposes out of the wrench jack (331), and the switch pressing piece (22) is separated from the matching with the micro switch (34) to close the motor (31).
3. An automatic transfer switch according to claim 2, wherein: still be equipped with locking gleitbretter (24) on control knob (2), locking gleitbretter (24) are slided along the horizontal direction on control knob (2), the quasi position that panel (4) correspond locking gear (41) is equipped with locking groove (46), restricted control knob (2) are rotated when locking groove (46) and locking gleitbretter (24) cooperate.
4. An automatic transfer switch according to claim 3, wherein: the control knob (2) is further provided with a locking outer through hole (25), the locking slip sheet (24) is provided with a locking inner through hole (26), and when the locking groove (46) is matched with the locking slip sheet (24), the locking outer through hole (25) corresponds to the locking inner through hole (26).
5. An automatic transfer switch according to claim 3, wherein: the lower end of the locking slip sheet (24) is provided with a limiting groove (241), the panel (4) is provided with a limiting boss (47), and the limiting groove (241) is matched with the limiting boss (47).
6. An automatic transfer switch as claimed in claim 1, wherein: a limiting column (9) is arranged between the two transmission support plates (6), and the limiting column (9) limits the maximum rotating angle of the transmission support plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341246.7A CN112331508A (en) | 2020-11-26 | 2020-11-26 | Automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341246.7A CN112331508A (en) | 2020-11-26 | 2020-11-26 | Automatic change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112331508A true CN112331508A (en) | 2021-02-05 |
Family
ID=74309701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011341246.7A Pending CN112331508A (en) | 2020-11-26 | 2020-11-26 | Automatic change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112331508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115831635A (en) * | 2023-02-16 | 2023-03-21 | 深圳曼顿科技有限公司 | Operating handle outside cabinet and electric control cabinet |
-
2020
- 2020-11-26 CN CN202011341246.7A patent/CN112331508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115831635A (en) * | 2023-02-16 | 2023-03-21 | 深圳曼顿科技有限公司 | Operating handle outside cabinet and electric control cabinet |
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