CN112768272A - Manual-automatic and padlock structure of dual-power transfer switch - Google Patents
Manual-automatic and padlock structure of dual-power transfer switch Download PDFInfo
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- CN112768272A CN112768272A CN202011584510.XA CN202011584510A CN112768272A CN 112768272 A CN112768272 A CN 112768272A CN 202011584510 A CN202011584510 A CN 202011584510A CN 112768272 A CN112768272 A CN 112768272A
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- 238000012546 transfer Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
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- 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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a manual-automatic and padlock structure of a dual-power transfer switch, which comprises a shell, and a deflector rod assembly, a first baffle, a second baffle and a microswitch which are arranged in the shell, wherein the middle part of the shell is provided with a mounting hole, the deflector rod assembly is sleeved in the mounting hole, the shell is of a groove structure, the first baffle, the second baffle and the microswitch are all arranged in the groove structure of the shell, and the microswitch is connected to a controller of the transfer switch through signals. The manual-automatic and padlock structure of the dual-power transfer switch, disclosed by the invention, gives a signal during manual operation, disconnects an electric operation circuit of the controller, ensures that the manual operation cannot be carried out, plays a role in interlocking, ensures the safety of manual operators, can lift and lock a padlock part only in a double-division state, cannot be provided with a handle after being locked, and ensures the occurrence of safety accidents caused by misoperation of personnel.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a manual-automatic and padlock structure of a dual-power transfer switch.
Background
The automatic change-over switch electric appliance is a widely used terminal electric appliance, and mainly utilizes a controller on the automatic change-over switch electric appliance to drive an electric operating mechanism to control the action of a switch so as to switch on or switch off a common power supply and a standby power supply, thereby ensuring the safety of a power system and the continuity of production. The transfer switch generally has three execution states: the power supply switching-on and standby power supply switching-on and switching-off are commonly used, and under the state of switching-on and switching-off, the change-over switch electrical appliance simultaneously cuts off two paths of power supplies so as to deal with the condition that equipment maintenance or other power supplies are required to be cut off. Under this state, need use the padlock device of change over switch electrical apparatus to lock change over switch electrical apparatus in two branch states, prevent to cause other personnel maloperations owing to overhauing to avoid causing economy and personnel to lose, play the power consumption safety protection effect.
Disclosure of Invention
In view of this, the present invention is directed to a manual/automatic and padlock structure of a dual power transfer switch, so as to solve the problem of production safety accidents caused by misoperation of other personnel due to maintenance.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a manual-automatic and padlock structure of a dual-power transfer switch comprises a shell and a driving lever assembly, a first baffle plate, a second baffle plate and a microswitch which are arranged in the shell, wherein a mounting hole is formed in the middle of the shell, the driving lever assembly is sleeved in the mounting hole, the shell is of a groove structure, the first baffle plate, the second baffle plate and the microswitch are all arranged in the groove structure of the shell, the driving lever assembly comprises a knob, a padlock part, a first baffle plate, a second baffle plate, a pin shaft and a transmission driving lever, the periphery of the knob is sleeved in the mounting hole, the upper end of the padlock part is sleeved with the lower end of the knob, the lower end of the padlock part is fixedly connected to one end of the first baffle plate and one end of the second baffle plate through the pin shaft respectively, the other end of the first baffle plate and the other end of the second baffle plate are both positioned in the transmission driving lever, the first baffle plate and the second baffle plate, and the first baffle, the second baffle and the microswitch are all positioned at the periphery of the transmission deflector rod, and the microswitch is connected to an external controller of the electric appliance through signals.
Further, the structure of first baffle and second baffle is the same, and first baffle includes plate body, boss and torsional spring, and the cross section of plate body is L shape structure, and the first end of plate body is equipped with the first through-hole that is used for installing the switch operation even axle, and the plate body middle part sets up the boss, and the contact of plate body second end is connected to the one end of transmission driving lever, and the torsional spring is cup jointed to the boss periphery, and torsional spring one end fixed connection is on the plate body, and inside the other end fixed connection of torsional spring to the shell.
Further, the first separation blade and the second separation blade have the same structure, the first separation blade comprises a first sheet body, a second sheet body and a third sheet body which are of an integral structure, two ends of the second sheet body are respectively and fixedly connected to the first end of the first sheet body and the first end of the third sheet body, a second through hole is formed in the first end of the first sheet body, a first oval long hole is formed in the second end of the first sheet body, the periphery of a pin shaft is sleeved in the first oval long hole, and the second end of the third sheet body is located in the transmission shifting rod.
Furthermore, a through groove is formed in the upper end of the knob, the upper end of the padlock piece penetrates through the knob shell and then is located in the through groove, and the lower end of the padlock piece is located in the groove structure of the shell.
Furthermore, the padlock part comprises a lock body and an identification part, a third through hole is formed in the lower end of the lock body, the periphery of the pin shaft is located in the third through hole, the identification part is installed at the upper end of the lock body, and the identification part is located in the through groove.
Furthermore, the transmission driving lever comprises a lever body and a plurality of U-shaped frames arranged on one side of the lever body, the lever body is fixedly connected to the shell, a fourth through hole is formed in the middle of the lever body, the second end of the third sheet body is located in the fourth through hole, and a pin is sleeved and embedded in the inner ring of each U-shaped frame and the second through hole and used for fixing the first sheet body.
Compared with the prior art, the manual-automatic and padlock structure of the dual-power transfer switch has the following advantages: give the signal when manual operation, the electrically-operated circuit of disconnection controller guarantees can not the electrically-operated when manual operation, plays the effect of interlocking, has guaranteed manual operation personnel's safety, and only when two split states, the padlock spare just can mention and lock moreover to unable installation handle after locking has ensured because the emergence of the incident that personnel's maloperation leads to, this structural design is reasonable, simple, with low costs.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of a manual-automatic and padlock configuration of a dual power transfer switch according to an embodiment of the present invention;
FIG. 2 is a rear view of a dual power transfer switch according to an embodiment of the present invention in an automatic state;
FIG. 3 is a schematic structural diagram of a manual/automatic and padlock structure of a dual power transfer switch according to an embodiment of the present invention;
FIG. 4 is an exploded view of a dual power transfer switch according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a first baffle according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a first blocking sheet according to an embodiment of the present invention;
FIG. 7 is a schematic view of the latch and knob assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a latch according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a driving lever according to an embodiment of the present invention;
FIG. 10 is a rear view of a dual power transfer switch manual and padlock configuration according to an embodiment of the present invention in a manual state;
fig. 11 is a rear view of a dual power transfer switch manual-automatic and padlock structure in a dual-split padlock state according to an embodiment of the present invention.
Description of reference numerals:
1-a housing; 11-a viewing aperture; 12-a gear stage; 2-a deflector rod assembly; 21-a knob; 22-latch; 221-a lock body; 222-a marker; 23-a first flap; 231-a first sheet; 232-a second tablet; 233-third slice; 24-a second baffle plate; 25-pin shaft, 26-driving deflector rod; 261-a rod body; 262-U-shaped frame; 3-a first baffle; 31-a plate body; 32-boss; 33-torsion spring; 4-a second baffle; 5-a microswitch;
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-9, a manual-automatic and padlock structure of a dual power transfer switch comprises a housing 1, and a lever assembly 2, a first baffle 3, a second baffle 4 and a microswitch 5 which are mounted inside the housing 1, wherein a mounting hole is formed in the middle of the housing 1, the lever assembly 2 is sleeved into the mounting hole, the housing 1 is of a groove structure, the first baffle 3, the second baffle 4 and the microswitch 5 are all mounted into the groove structure of the housing 1, the lever assembly 2 comprises a knob 21, a padlock member 22, a first baffle 23, a second baffle 24, a pin shaft 25 and a transmission lever 26, the periphery of the knob 21 is sleeved into the mounting hole, the upper end of the padlock member 22 is sleeved with the lower end of the knob 21, the lower end of the padlock member 22 is fixedly connected to one end of the first baffle 23 and one end of the second baffle 24 through the pin shaft 25, the other end of the first baffle 23 and the other end of the second baffle 24 are both located inside the transmission lever 26, first separation blade 23 and second separation blade 24 mutual symmetry set up, transmission driving lever 26 fixed mounting is to shell 1 in the groove structure, and first baffle 3, second baffle 4 and micro-gap switch 5 all are located transmission driving lever 26's periphery, micro-gap switch 55 signal connection is to the external controller of electrical apparatus, give the signal when manual operation, the electric operation circuit of disconnection controller, guarantee can not electric operation when manual operation, play the effect of interlocking, manual operation personnel's safety has been guaranteed, and only when two branch states, the padlock spare just can mention and lock, and can't install the handle after locking, the emergence of the incident of having guaranteed because personnel's maloperation leads to has, this structural design is reasonable, and is simple, and is with low costs.
Be equipped with two inspection holes 11 on shell 1, first baffle 3 and second baffle 4 correspond an inspection hole 11 respectively, first baffle 3 is the same with second baffle 4's structure, first baffle 3 includes plate body 31, boss 32 and torsional spring 33, the cross section of plate body 31 is L shape structure, plate body 31 first end is equipped with the first through-hole that is used for installing the even axle of switch operation, plate body 31 middle part sets up boss 32, plate body 31 second end contact is connected to the one end of transmission driving lever 26, and the second end outer fringe contact of plate body 31 is connected to shelves platform 12, torsional spring 33 is cup jointed to boss 32 periphery, torsional spring 33 one end fixed connection is to on plate body 31, the other end fixed connection of torsional spring 33 is inside shell 1, when no exogenic action, under the effect of torsional spring 33, the first end of plate body 31 is in the position of covering shell 1 manual inspection hole 11 all the time.
The first blocking piece 23 and the second blocking piece 24 have the same structure, the first blocking piece 23 comprises a first piece 231, a second piece 232 and a third piece 233 which are integrally structured, two ends of the second piece 232 are respectively fixedly connected to a first end of the first piece 231 and a first end of the third piece 233, the first end of the first piece 231 is provided with a second through hole, a second end of the first piece 231 is provided with a first oval slot hole, a pin shaft 25 is peripherally sleeved in the first oval slot hole, a second end of the third piece 233 is positioned in the transmission shift lever 26, the first blocking piece 23 and the second blocking piece 24 utilize a first oval slot hole idle stroke of the end part thereof, the first blocking piece 23 and the second blocking piece 24 can rotate around a shaft by using an elastic pin as a circle center, and upward lifting of the locking piece 22 can be realized.
The transmission driving lever 26 includes a plurality of U type frame 262 of body of rod 261 and a side-mounting, and body of rod 261 fixed connection to shell 1 in the groove structure, body of rod 261 middle part is equipped with the fourth through-hole, and the second end of third lamellar body 233 is located in the fourth through-hole, U type frame 262 inner circle with a pin is inlayed to the second through-hole cover simultaneously and is used for fixed first lamellar body 231, and third lamellar body 233 can be followed body of rod 261 bottom and be visited out through the fourth through-hole to and insert in the inside other groove structure of predetermineeing of change over switch, make knob 21 can not do the rotation operation again, avoid carrying out the maloperation.
The manual-automatic and padlock structure working process of the dual-power transfer switch comprises the following steps:
the first blocking piece 23 and the second blocking piece 24 are respectively arranged at the front side and the rear side of the padlock part 22, the pin shaft 25 sequentially penetrates through the long round holes of the two first oval long holes and the third through hole at the lower end of the lock body 221 and is fixed by the split washer, the assembly of the first blocking piece 23, the second blocking piece 24 and the padlock part 22 is arranged in the fourth through hole of the transmission shift lever 26, and the elastic pin sequentially penetrates through the U-shaped frame 262 and the second through hole, at the moment, the padlock part 22 is lifted upwards, the first blocking piece 23 and the second blocking piece 24 can rotate around the center of a circle by using the first oval long hole idle stroke at the end parts of the first blocking piece 23 and the second blocking piece 24, the other ends of the first blocking piece 23 and the second blocking piece 24 can stretch out of the bottom surface of the transmission shift lever 26, the knob 21 and the shift lever assembly 2 are respectively arranged at corresponding positions on the shell 1 and are fixed by the screw, the first baffle plate 3 and the second baffle plate 4 are respectively placed at corresponding positions inside the shell 1, a torsion spring 33 is arranged between the shell 1 and the plate body 31, one end of the torsion spring 33 is inserted into a round hole of the plate body 31, the other end of the torsion spring is fixed on a preset structure of the shell 1, the plate body 31 is fixed on the shell 1 through screws, when no external force is applied, the plate body 31 is always at a position covering the manual observation hole 11 of the shell 1 under the action of the torsion spring 33, and the microswitch 5 is fixed in the preset structure inside the shell 1.
Automatic state: as shown in fig. 2, when the knob 21 is rotated in the forward direction, the driving lever 26 rotates along with the rotation and presses the microswitch 5, so that the change-over switch is in an automatic state, the plate 31 is always in a position covering the manual observation hole 11 of the housing 1, manual operation cannot be performed from the outside of the change-over switch, and safety is improved.
And (3) manual state: as shown in fig. 10, when the knob 21 is rotated in the reverse direction, the driving lever 26 rotates along with it and releases the microswitch 5, so that the change-over switch is in a manual state, and presses the plate 31 to rotate a certain angle around the power switch operation connecting shaft, so that the position of the manual observation hole 11 of the housing 1 is exposed, and the operator can select the switching-on of the normal power supply or the switching-on of the standby power supply according to the requirement.
Double-split padlock state: as shown in fig. 11, when the knob 21 is rotated to be located at the neutral position, since the transmission lever 26 does not touch the microswitch 5 as well, the transfer switch is still in the manual state, and when the padlock member 22 is pulled up from the top of the knob 21 and the oblong padlock hole is exposed, the operator can operate the padlock as required. At this time, the third plate 233 protrudes from the bottom of the rod 261 and is inserted into another preset groove structure inside the change-over switch, so that the knob 21 can not be rotated any more, and at this time, the plate 31 is always in a state of covering the manual observation hole 11 of the housing 1, thereby avoiding misoperation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a manual automation of dual power transfer switch and padlock structure which characterized in that: the lifting rod assembly comprises a shell (1) and a lifting rod assembly (2), a first baffle plate (3), a second baffle plate (4) and a microswitch (5) which are arranged in the shell, wherein a mounting hole is formed in the middle of the shell (1), the lifting rod assembly (2) is sleeved in the mounting hole, the shell (1) is of a groove structure, the first baffle plate (3), the second baffle plate (4) and the microswitch (5) are all arranged in the groove structure of the shell (1), the lifting rod assembly (2) comprises a knob (21), a latch (22), a first catch (23), a second catch (24), a pin shaft (25) and a transmission lifting rod (26), the periphery of the knob (21) is sleeved in the mounting hole, the upper end of the latch (22) is sleeved with the lower end of the knob (21), and the lower end of the latch (22) is fixedly connected to one end of the first catch (23) and one end of the second catch (24) respectively through the pin shaft (25), the other end of first separation blade (23) and the other end of second separation blade (24) all are located the inside of transmission driving lever (26), and first separation blade (23) and the mutual symmetry setting of second separation blade (24), transmission driving lever (26) fixed mounting to shell (1) in the groove structure, and first baffle (3), second baffle (4) and micro-gap switch (5) all are located the periphery of transmission driving lever (26), micro-gap switch (5) signal connection to the external controller of electrical apparatus.
2. The manual-automatic and padlock structure of a dual-power transfer switch of claim 1, wherein: the structure of first baffle (3) and second baffle (4) is the same, first baffle (3) are including plate body (31), boss (32) and torsional spring (33), the cross section of plate body (31) is L shape structure, the first end of plate body (31) is equipped with the first through-hole that is used for installing switch operation even axle, plate body (31) middle part sets up boss (32), plate body (31) second end contact connection is to the one end of transmission driving lever (26), torsional spring (33) are cup jointed to boss (32) periphery, torsional spring (33) one end fixed connection is on plate body (31), the other end fixed connection of torsional spring (33) is inside shell (1).
3. The manual-automatic and padlock structure of a dual-power transfer switch of claim 1, wherein: the structure of first separation blade (23) and second separation blade (24) is the same, first separation blade (23) is including first lamellar body (231), second lamellar body (232) and third lamellar body (233) of an organic whole structure, the both ends of second lamellar body (232) are fixed connection to the first end of first lamellar body (231) respectively, the first end of third lamellar body (233), and the first end of first lamellar body (231) is equipped with the second through-hole, the second end of first lamellar body (231) is equipped with first oval slot hole, round pin axle (25) periphery cup joint extremely in the first oval slot hole, the second end of third lamellar body (233) is located transmission driving lever (26).
4. The manual-automatic and padlock structure of a dual-power transfer switch of claim 1, wherein: the upper end of the knob (21) is provided with a through groove, the upper end of the padlock part (22) penetrates through the outer wall of the knob (21) and then is positioned in the through groove, and the lower end of the padlock part (22) is positioned in the groove structure of the shell (1).
5. The manual-automatic and padlock structure of a dual-power transfer switch of claim 1, wherein: hang latch fitting (22) and include lock body (221) and identification member (222), lock body (221) lower extreme is equipped with the third through-hole, and round pin axle (25) periphery is located in the third through-hole, identification member (222) are installed to lock body (221) upper end, and identification member (222) are located logical inslot.
6. The manual-automatic and padlock structure of a dual-power transfer switch of claim 3, wherein: transmission driving lever (26) includes a plurality of U type frame (262) of body of rod (261) and one side installation, and body of rod (261) fixed connection to shell (1) in the groove structure, body of rod (261) middle part is equipped with the fourth through-hole, and the second end of third lamellar body (233) is located in the fourth through-hole, U type frame (262) inner circle with a pin is used for fixed first lamellar body (231) is inlayed to the second through-hole cover simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584510.XA CN112768272B (en) | 2020-12-28 | 2020-12-28 | Manual-automatic and padlock structure of dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584510.XA CN112768272B (en) | 2020-12-28 | 2020-12-28 | Manual-automatic and padlock structure of dual-power transfer switch |
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| Publication Number | Publication Date |
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| CN112768272A true CN112768272A (en) | 2021-05-07 |
| CN112768272B CN112768272B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011584510.XA Active CN112768272B (en) | 2020-12-28 | 2020-12-28 | Manual-automatic and padlock structure of dual-power transfer switch |
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