CN216084666U - Closing locking interlocking mechanism of low-voltage drawer electric mechanism operation circuit breaker - Google Patents
Closing locking interlocking mechanism of low-voltage drawer electric mechanism operation circuit breaker Download PDFInfo
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- CN216084666U CN216084666U CN202121879295.6U CN202121879295U CN216084666U CN 216084666 U CN216084666 U CN 216084666U CN 202121879295 U CN202121879295 U CN 202121879295U CN 216084666 U CN216084666 U CN 216084666U
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- circuit breaker
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Abstract
The utility model relates to a closing locking interlocking mechanism of a low-voltage drawer electric mechanism operation circuit breaker, which comprises a substrate, an unlocking plate and an interlocking action part based on the substrate, wherein the unlocking plate drives the interlocking part to act, the closing locking interlocking mechanism also comprises an electromagnet and a closing locking plate, the electromagnet is arranged on the substrate, the closing locking plate moves under the driving of the electromagnet to lock the unlocking plate, the electric operation mechanism is switched off, the electromagnet is powered off and reset, and the closing locking plate is separated from the unlocking plate to unlock the unlocking plate. The utility model has the beneficial effects that: the locking and unlocking are driven by the electromagnet, the electromagnet is powered off and reset in the opening state, the closing locking plate is separated from the unlocking plate, the interlocking mechanism is unlocked, normal operation of the drawer in the opening state is ensured, and the drawer is locked and safely operated in the operating state and is convenient to maintain.
Description
Technical Field
The utility model relates to the technical field of complete switch equipment, in particular to a closing locking interlocking mechanism of a circuit breaker operated by a low-voltage drawer electric mechanism.
Background
The low-voltage drawer type complete equipment basically applies a scheme that a fixed circuit breaker is matched with an electric switching-on and switching-off mechanism to switch on and switch off the circuit breaker, and an industry common language and an electric operation switching-on and switching-off application scheme.
The drawer is internally provided with a pushing mechanism for the drawer, a circuit breaker, an electric operating mechanism of the circuit breaker and an interlocking mechanism. The interlocking mechanism is unlocked, an operation hole of a rocking handle of the pushing mechanism on the drawer panel can be opened, the rocking handle is pulled out after the drawer enters the connecting position, the interlocking mechanism is reset, the operation hole is blocked, and an unlocking button for pressing the unlocking plate is arranged on a handle of the drawer panel. Specifically, the document is referred to as chinese patent document CN 201717542U.
The technical problems existing in the prior art are as follows: the unlocking plate is not provided with a locking mechanism, and when the circuit breaker is in a closing operation state, the unlocking button can be touched by mistake, so that the problem of tripping and power failure of the circuit breaker is caused.
At present, a user requires that an unlocking button or an unlocking plate is mechanically locked when the breaker is switched on, and only when the breaker is in a switching-off state, the unlocking button or the unlocking plate is in an unlocking state, so that the drawer can be moved through unlocking the interlocking mechanism by the unlocking button.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the existing interlocking mechanism is not mechanically locked, so that misoperation is easy to occur, and the tripping of the operating circuit breaker is caused.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a low pressure drawer electric mechanism operation circuit breaker combined floodgate locking interlocking device, includes base plate, unlocking plate and uses the base plate as the interlocking action part of installation basis, and unlocking plate drive interlocking part moves, still includes electro-magnet and combined floodgate lockplate, and the electro-magnet is installed on the base plate, and combined floodgate lockplate removes under the drive of electro-magnet, locks the unlocking plate, and electro-magnet loses the electricity and resets, and combined floodgate lockplate breaks away from the unlocking plate, unlocks the unlocking plate, and combined floodgate locking plate structural style is not restricted.
Further inject, the unlocking plate is provided with a limit opening, the closing locking plate locks the unlocking plate in a mode of being clamped into the limit opening of the unlocking plate, and the closing locking plate unlocks the unlocking plate in a mode of being moved out of the limit opening of the unlocking plate.
Further limited, the interlocking action part specifically comprises an auxiliary switch, an unlocking action angle plate and an interlocking plate, the auxiliary switch is arranged on the base plate, the interlocking plate is arranged on the mounting base plate in a left-right translation manner, the unlocking action angle plate is arranged on the base plate through an angle plate rotating shaft on the base plate, a torsion spring is arranged between the unlocking action angle plate and the base plate, an auxiliary switch collision block, a locking shaft and a shifting plate are arranged on the unlocking action angle plate, the auxiliary switch collision block is used for opening and closing the auxiliary switch, the locking shaft is used for matching with a three-position positioning part of the drawer, the unlocking plate is movably connected with the unlocking action angle plate through a pin, the shifting plate is embedded into the interlocking plate, the unlocking plate drives the unlocking action angle plate to act by pressing the unlocking plate, the auxiliary switch collision block is separated from the auxiliary switch, the auxiliary switch is powered off, a closing power supply cannot be provided for an electric operating mechanism of the drawer, and the shifting plate drives the interlocking plate to move, a push mechanism for locking the drawer.
Further limiting, an opening arc groove matched with the operation hole in the drawer panel is formed in the interlocking plate, when the unlocking plate is started, the interlocking plate blocks the operation hole, the unlocking plate is pressed, the interlocking plate moves, the opening arc groove is overlapped with the operation hole, and the blocking of the operation hole is removed.
In order to realize better locking effect, the base plate is further limited to be provided with a yielding opening corresponding to the limiting opening, and the closing locking plate is clamped into the limiting opening and the yielding opening to lock the unlocking plate.
Further limited, the specific structure that the interlocking plate is installed on the substrate in a left-right translation mode is as follows: the front part of the base plate is provided with a vertically arranged front end plate, the interlocking plate is arranged on the front end plate, at least two groups of mutually matched bar-shaped sliding grooves and fixing shafts are respectively arranged on the interlocking plate and the front end plate, the fixing shafts are provided with limiting end heads, and the interlocking plate is arranged on the front end plate of the base plate in a left-right translation mode through the fixing shafts penetrating through the bar-shaped sliding grooves.
Further, the upper part of the front end plate is provided with an upper top plate, the upper top plate is provided with a guide pin, the guide pin is positioned at the rear side of the closing locking plate, and the guide pin is matched with the front end plate to movably guide the closing locking plate.
Further limiting, the electromagnet is powered by a breaker outlet end power supply.
And further limiting, the circuit breaker outlet end power supply supplies power to the electromagnet after voltage transformation through the transformer.
The utility model has the beneficial effects that: the locking and unlocking are driven by the electromagnet, the electromagnet is powered off and reset in the opening state, the closing locking plate is separated from the unlocking plate, the interlocking mechanism is unlocked, normal operation of the drawer in the opening state is ensured, and the drawer is locked and safely operated in the operating state and is convenient to maintain.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic rear perspective view of the present invention;
FIG. 2 is a schematic front perspective view of the present invention;
FIG. 3 is a schematic structural diagram of the present invention in a switch-on locked state;
FIG. 4 is a schematic structural diagram of the present invention in the open state of the switch;
FIG. 5 is a schematic structural diagram of the present invention in the state of opening and unlocking the switch;
fig. 6 is a schematic view illustrating an installation state of a closing lock interlock mechanism according to the present invention;
in the figure, 1, a base plate, 2, an unlocking action angle plate, 2-1, an angle plate rotating shaft, 2-2, a locking shaft, 3, an unlocking plate, 3-1, a pin, 4, an interlocking plate, 4-1, an opening arc groove, 4-2, a strip-shaped sliding groove, 4-3, a fixed shaft, 5, a torsion spring, 6, an auxiliary switch, 7, an auxiliary switch collision block, 8, an electromagnet, 9, a shifting plate, 10, a closing locking plate, 11, a guide pin, 12, a limiting opening and 13, an unlocking button.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5 and 6, a low-voltage drawer electric mechanism operation circuit breaker closing locking interlocking mechanism comprises a substrate 1, an unlocking plate 3 and an interlocking action part taking the substrate 1 as an installation basis, wherein the unlocking plate 3 drives the interlocking part to act, the low-voltage drawer electric mechanism operation circuit breaker closing locking interlocking mechanism further comprises an electromagnet 8 and a closing locking plate 10, the electromagnet 8 is installed on the substrate 1, the closing locking plate 10 is driven by the electromagnet 8 to move, a limit opening 12 is formed in the unlocking plate 3, the closing locking plate 10 is clamped into the limit opening 12 of the unlocking plate 3 to lock the unlocking plate 3, the electromagnet 8 is reset in a power-off mode, and the closing locking plate 10 is moved out of the limit opening 12 of the unlocking plate 3 to unlock the unlocking plate 3.
The interlocking action component specifically comprises an auxiliary switch 6, an unlocking action angle plate 2 and an interlocking plate 4, wherein the auxiliary switch 6 is arranged on a base plate 1, the interlocking plate 4 is arranged on a mounting base plate 1 in a left-right translation mode, the unlocking action angle plate 2 is arranged on the base plate 1 through an angle plate rotating shaft 2-1 on the base plate 1, a torsion spring 5 is arranged between the unlocking action angle plate 2 and the base plate 1, an auxiliary switch collision block 7, a locking shaft 2-2 and a shifting plate 9 are arranged on the unlocking action angle plate 2, the auxiliary switch collision block 7 is used for opening and closing the auxiliary switch 6, the locking shaft 2-2 is used for being matched with a three-position positioning piece of a drawer, the unlocking plate 3 is movably connected with the unlocking action angle plate 2 through a pin 3-1, the shifting plate 9 is embedded into the interlocking plate 4, the unlocking plate 3 is pressed to drive the unlocking action angle plate 2 to act, the auxiliary switch collision block 7 is separated from the auxiliary switch 6, when the auxiliary switch 6 is powered off, a switching-on power supply cannot be provided for the electric operating mechanism of the drawer, and the shifting plate 9 drives the interlocking plate 4 to move so as to lock the pushing mechanism of the drawer.
The interlocking plate 4 is provided with an opening arc groove 4-1 matched with an operation hole in the drawer panel, when the unlocking plate 3 is started, the interlocking plate 4 blocks the operation hole, the unlocking plate 3 is pressed, the interlocking plate 4 moves, the opening arc groove 4-1 is overlapped with the operation hole, and the operation hole is unblocked.
The base plate 1 has a relief opening corresponding to the limit opening 12, and the closing lock plate 10 is simultaneously engaged with the limit opening 12 and the relief opening lock unlock plate 3.
The specific structure of interlocking plate 4 mounted on substrate 1 in a left-right translation manner is as follows: the front part of the base plate 1 is provided with a vertically arranged front end plate, an interlocking plate 4 is arranged on the front end plate, the interlocking plate 4 and the front end plate are respectively provided with at least two groups of strip-shaped chutes 4-2 and fixing shafts 4-3 which are mutually matched, the fixing shafts 4-3 are provided with limit ends, and the interlocking plate 4 is arranged on the front end plate of the base plate 1 in a left-right translation mode through the fixing shafts 4-3 which penetrate through the strip-shaped chutes 4-2.
The upper part of the front end plate is also provided with an upper top plate, the upper top plate is provided with a guide pin 11, the guide pin 11 is positioned at the rear side of the closing locking plate 10, and the guide pin 11 is matched with the front end plate to guide the movement of the closing locking plate 10.
The electromagnet 8 supplies power to the transformer, and the transformer is connected with a power supply of a circuit breaker outlet end.
When the drawer is at the connecting position, the electric operating mechanism closes the circuit breaker, and when the circuit breaker is in a closing state, the outlet end of the circuit breaker can provide 220V power for the transformer, and the transformer transforms the 220V power to direct current 24V to supply power for the electromagnet 8. When the electromagnet 8 is powered, the closing locking plate 10 is driven to be clamped into the limit opening 12 of the unlocking plate 3 to lock the unlocking plate 3, as shown in fig. 3. At this time, the unlocking plate 3 cannot be pressed through the unlocking button 13 on the handle of the drawer panel, and the problem of mistaken touch cannot occur. It is of course not excluded that the unlocking knob 13 is integral with the unlocking plate 3, the unlocking knob 13 being an extension of the unlocking plate 3.
When the circuit breaker is in an open state, the outlet end of the circuit breaker is powered off, the electromagnet 8 is powered off and reset, the closing locking plate 10 moves out of the limiting opening 12 of the unlocking plate 3 to unlock the unlocking plate 3, and as shown in fig. 4, the unlocking plate 3 can be pressed at the moment. The unlocking plate 3 is pressed through the unlocking button 13, the unlocking plate 3 enables the interlocking plate 4 to move, as shown in figure 5, the opening arc groove 4-1 is enabled to be overlapped with the operation hole, the operation hole is unblocked, the rocking handle is inserted to operate the pushing mechanism, and the drawer position is moved.
Claims (9)
1. The utility model provides a low pressure drawer electric mechanism operation circuit breaker combined floodgate locking interlocking device, includes base plate (1), unlocking plate (3) and uses base plate (1) as the interlocking action part of installation basis, and unlocking plate (3) drive interlocking part action, characterized by: the locking device is characterized by further comprising an electromagnet (8) and a closing locking plate (10), wherein the electromagnet (8) is installed on the base plate (1), the closing locking plate (10) moves under the driving of the electromagnet (8), the unlocking plate (3) is locked, the electromagnet (8) is reset after power failure, the closing locking plate (10) is separated from the unlocking plate (3), and the unlocking plate (3) is unlocked.
2. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 1, wherein: the unlocking plate (3) is provided with a limiting opening (12), the closing locking plate (10) locks the unlocking plate (3) in a mode of being clamped into the limiting opening (12) of the unlocking plate (3), and the closing locking plate (10) unlocks the unlocking plate (3) in a mode of being moved out of the limiting opening (12) of the unlocking plate (3).
3. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 1, wherein: the interlocking action component specifically comprises an auxiliary switch (6), an unlocking action angle plate (2) and an interlocking plate (4),
the auxiliary switch (6) is arranged on the substrate (1), the interlocking plate (4) is arranged on the mounting substrate (1) in a left-right translation way,
the unlocking action angle plate (2) is arranged on the base plate (1) through an angle plate rotating shaft (2-1) on the base plate (1), a torsion spring (5) is arranged between the unlocking action angle plate (2) and the base plate (1),
an auxiliary switch collision block (7), a locking shaft (2-2) and a shifting plate (9) are arranged on the unlocking action angle plate (2), the auxiliary switch collision block (7) opens and closes an auxiliary switch (6), the locking shaft (2-2) is used for being matched with a three-position positioning piece of the drawer, the unlocking plate (3) is movably connected with the unlocking action angle plate (2) through a pin (3-1), the shifting plate (9) is embedded into the interlocking plate (4),
through pressing the unlocking plate (3), the unlocking plate (3) drives the unlocking action angle plate (2) to act, the auxiliary switch collision block (7) is separated from the auxiliary switch (6), the auxiliary switch (6) is powered off, a closing power supply cannot be provided for an electric operating mechanism of the drawer, and the shifting plate (9) drives the interlocking plate (4) to move to lock a pushing mechanism of the drawer.
4. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 3, wherein: the interlocking plate (4) is provided with an opening arc groove (4-1) matched with an operation hole in the drawer panel, when the unlocking plate (3) is started, the interlocking plate (4) blocks the operation hole, the unlocking plate (3) is pressed, the interlocking plate (4) moves, the opening arc groove (4-1) is overlapped with the operation hole, and the operation hole is unblocked.
5. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 2, wherein: the substrate (1) is provided with a yielding opening corresponding to the limiting opening (12), and the closing locking plate (10) is clamped into the limiting opening (12) and the yielding opening locking and unlocking plate (3) simultaneously.
6. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 3, wherein: the interlocking plate (4) is arranged on the substrate (1) in a left-right translation mode and has the specific structure that: the front part of the base plate (1) is provided with a vertically arranged front end plate, the interlocking plate (4) is installed on the front end plate, the interlocking plate (4) and the front end plate are respectively provided with at least two groups of strip-shaped sliding grooves (4-2) and fixing shafts (4-3) which are matched with each other, the fixing shafts (4-3) are provided with limiting end heads, and the interlocking plate (4) is installed on the front end plate of the base plate (1) in a left-right translation mode through the fixing shafts (4-3) penetrating through the strip-shaped sliding grooves (4-2).
7. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 6, wherein: the upper part of the front end plate is also provided with an upper top plate, the upper top plate is provided with a guide pin (11), the guide pin (11) is positioned at the rear side of the closing locking plate (10), and the guide pin (11) is matched with the front end plate to movably guide the closing locking plate (10).
8. The low voltage drawer electric mechanism operated circuit breaker closing lock interlock mechanism of claim 1, wherein: the electromagnet (8) is powered by a power supply at the outlet end of the circuit breaker.
9. The low voltage drawer electric operated circuit breaker closing lock interlock mechanism of claim 8, wherein: the circuit breaker outlet end power supply supplies power to the electromagnet (8) after being transformed by the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879295.6U CN216084666U (en) | 2021-08-11 | 2021-08-11 | Closing locking interlocking mechanism of low-voltage drawer electric mechanism operation circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121879295.6U CN216084666U (en) | 2021-08-11 | 2021-08-11 | Closing locking interlocking mechanism of low-voltage drawer electric mechanism operation circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216084666U true CN216084666U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121879295.6U Active CN216084666U (en) | 2021-08-11 | 2021-08-11 | Closing locking interlocking mechanism of low-voltage drawer electric mechanism operation circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216084666U (en) |
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2021
- 2021-08-11 CN CN202121879295.6U patent/CN216084666U/en active Active
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