CN109786170B - Three-station isolation operating mechanism of inflatable cabinet - Google Patents
Three-station isolation operating mechanism of inflatable cabinet Download PDFInfo
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- CN109786170B CN109786170B CN201910057592.3A CN201910057592A CN109786170B CN 109786170 B CN109786170 B CN 109786170B CN 201910057592 A CN201910057592 A CN 201910057592A CN 109786170 B CN109786170 B CN 109786170B
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- grounding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 61
- 238000002955 isolation Methods 0.000 title claims abstract description 56
- 210000000078 claw Anatomy 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a three-station isolation operating mechanism of an inflatable cabinet, which comprises a bracket, and an isolation operating shaft, a grounding operating shaft, a first micro switch and a second micro switch which are respectively arranged on the bracket, wherein the bracket is provided with an isolation operating hole and a grounding operating hole; the grounding operation shaft is connected with a second interlocking mechanism, and drives the second interlocking mechanism to trigger the second micro switch, shield the isolation operation hole and indicate the grounding state. According to the invention, through improving an original mechanism, an original shaft core, a plastic swing rod and a split-combination interlocking indication plate are removed, and a first interlocking mechanism and a second interlocking mechanism are added, so that the problem that the original mechanism can not perfectly take isolation and grounding interlocking, indication and micro-switch contact switching into consideration when sharing one shaft core and the plastic swing rod is solved, and the reliability of the whole mechanism is improved.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a three-station isolation operating mechanism of an inflatable cabinet.
Background
The three-station isolation operating mechanism of the existing air-filling cabinet is characterized in that an axle core, a plastic swing rod and a split-combination interlocking indication plate are used for completing the interlocking, indication and corresponding micro-switch contact switching functions between an isolating switch and a grounding switch. However, in actual operation, the plastic swing rod is often broken due to the impact of the interlocking indication plate, so that normal interlocking and indication cannot be performed; meanwhile, due to the influence of the rotation angle of the main shaft of the switch, the rotation angle of the isolation indication plate is small, and the on-off state of the switch cannot be displayed correctly; in the process of switching the micro-switch contacts, either the isolating mechanism micro-switch contacts can be switched well, or the grounding mechanism micro-switch contacts can be switched well, so that the switching success of the two micro-switch contacts is difficult to meet at the same time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a three-station isolation operating mechanism of an inflatable cabinet, which is used for solving the problem that the three-station isolation operating mechanism of the existing inflatable cabinet can not perfectly realize isolation, grounding interlocking, indication and micro-switch contact switching by sharing one shaft core and a plastic swing rod.
The invention comprises the following steps:
The utility model provides an operation mechanism is kept apart to three stations of cabinet that aerifys, includes the support and installs respectively keep apart operating shaft, ground connection operating shaft, first micro-gap switch and the second micro-gap switch on the support, be provided with on the support and keep apart operating hole and ground connection operating hole, its characterized in that: the isolating operation shaft is connected with a first interlocking mechanism, the first interlocking mechanism is respectively and movably connected with the first micro switch and the grounding operation hole, and the first interlocking mechanism is used for triggering the first micro switch, shielding the grounding operation hole and indicating the isolating state under the drive of the isolating operation shaft;
The grounding operation shaft is connected with a second interlocking mechanism, the second interlocking mechanism is movably connected with the second micro-switch and the isolation operation hole respectively, and the second interlocking mechanism is used for triggering the second micro-switch, shielding the isolation operation hole and indicating the grounding state under the driving of the grounding operation shaft.
Preferably, the support comprises an outer shell, a first mounting plate and a second mounting plate which are connected with the outer shell respectively, a third mounting plate is arranged on the first mounting plate, a fourth mounting plate is arranged on the third mounting plate, the isolation operation shaft rotates to penetrate through the first mounting plate, the third mounting plate and the fourth mounting plate, and the grounding operation shaft rotates to penetrate through the outer shell and the second mounting plate.
Preferably, the first interlocking mechanism comprises a stroke shaft, a shifting fork and an interlocking indication plate, the stroke shaft is arranged on the fourth mounting plate and can longitudinally move, one end of the stroke shaft is movably connected with the first micro switch, the shifting fork comprises a shifting fork body and a shifting fork claw which are connected together, the shifting fork body is arranged on the isolation operation shaft, the shifting fork claw is movably connected with the stroke shaft through a positioning block arranged on the stroke shaft, the interlocking indication plate is movably connected with the grounding operation hole, and the interlocking indication plate is connected with the stroke shaft and can longitudinally move under the driving of the stroke shaft.
Preferably, the second interlocking mechanism comprises a first interlocking plate, a fan plate, an isolation baffle and a ground indicating plate, wherein the first interlocking plate is installed on the outer shell and can longitudinally move, the fan plate is installed on the ground operating shaft and is movably connected with the lower end of the first interlocking plate, the upper end of the first interlocking plate is movably connected with the second micro switch, one end of the isolation baffle is installed on the first interlocking plate through the second interlocking plate, the other end of the isolation baffle is connected with the support and is movably connected with the isolation operating hole, and the ground indicating plate is installed on the first interlocking plate.
Preferably, the fourth mounting plate is provided with a limiting hole, and the stroke shaft is arranged in the limiting hole in a penetrating mode.
Preferably, the first interlocking plate is installed on the outer shell, a first limiting groove is formed in the first interlocking plate, a first limiting component matched with the first limiting groove is inserted on the outer shell, and the first limiting groove and the first limiting component are used for limiting the moving distance of the first interlocking plate.
Preferably, the isolation baffle is provided with a second limiting assembly in an inserted mode, the fourth mounting plate is provided with a second limiting groove matched with the second limiting assembly, and the second limiting assembly and the second limiting groove are used for limiting the moving distance of the isolation baffle.
Preferably, a third limiting assembly is arranged on the fourth mounting plate, and the third limiting assembly is used for limiting the moving distance of the second interlocking plate.
The beneficial effects of the invention are as follows: according to the invention, through improving an original mechanism, an original shaft core, a plastic swing rod and a split-combination interlocking indication plate are removed, and a first interlocking mechanism and a second interlocking mechanism are added, so that the problem that the original mechanism can not perfectly take isolation and grounding interlocking, indication and micro-switch contact switching into consideration when sharing one shaft core and the plastic swing rod is solved, and the reliability of the whole mechanism is improved.
Drawings
FIG. 1 is a general block diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of a bracket according to an embodiment of the present invention;
FIG. 3 shows a first interlocking mechanism 1 according to an embodiment of the present invention;
FIG. 4 shows a first interlocking mechanism diagram 2 according to an embodiment of the present invention;
FIG. 5 illustrates a second interlocking mechanism diagram 1 according to an embodiment of the present invention;
Fig. 6 shows a second interlocking mechanism diagram 2 according to an embodiment of the present invention.
Detailed Description
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Referring to fig. 1-2, the three-station isolation operating mechanism of an inflatable cabinet disclosed in this embodiment includes a bracket 1, an isolation operating shaft 2, a grounding operating shaft 3, a first micro switch 4 and a second micro switch 5 which are respectively installed on the bracket 1, the bracket 1 includes an outer shell (not shown), a first mounting plate 1-1 and a second mounting plate 1-2 which are respectively connected with the outer shell, a third mounting plate 1-3 is provided on the first mounting plate 1-1, a fourth mounting plate 1-4 is provided on the third mounting plate 1-3, the isolation operating shaft 2 is rotatably installed on the first mounting plate 1-1, the third mounting plate 1-3 and the fourth mounting plate 1-4, and the grounding operating shaft 3 is rotatably installed on the outer shell and the second mounting plate 1-2. The support 1 is provided with an isolation operation hole (not shown) and a grounding operation hole (not shown), the isolation operation shaft 2 is connected with a first interlocking mechanism, the first interlocking mechanism is movably connected with the first micro switch 4 and the grounding operation hole respectively, when the isolation operation shaft 2 rotates, the isolation operation shaft 2 drives the first interlocking mechanism, and the first interlocking mechanism triggers the first micro switch 4, shields the grounding operation hole and indicates the isolation state; the grounding operation shaft 3 is connected with a second interlocking mechanism, the second interlocking mechanism is movably connected with the second micro switch 5 and the isolation operation hole respectively, when the grounding operation shaft 3 rotates, the grounding operation shaft 3 drives the second interlocking mechanism, and the second interlocking mechanism triggers the second micro switch 5, shields the isolation operation hole and indicates the grounding state.
Referring to fig. 1-4, the first interlocking mechanism includes a travel shaft 6-1, a shifting fork 6-2 and an interlocking indication board 6-3, a limit hole 1-41 is provided on the fourth mounting board 1-4, the travel shaft 6-1 is disposed through the limit hole 1-41 and is capable of moving longitudinally, one end of the travel shaft 6-1 is movably connected with the first micro switch 4, the shifting fork 6-2 includes a shifting fork body 6-21 and a shifting fork claw 6-22 connected together, the shifting fork body 6-21 is mounted on the isolation operation shaft 2, the shifting fork claw 6-22 is movably connected with the travel shaft 6-1 through a positioning block 6-11 disposed on the travel shaft 6-1, the interlocking indication board 6-3 is movably connected with the grounding operation hole, and the interlocking indication board 6-3 is connected with the travel shaft 6-1 and is capable of moving longitudinally under the driving of the travel shaft 6-1.
Referring to fig. 1,2, 5 and 6, the second interlocking mechanism includes a first interlocking plate 7-1, a fan plate 7-2, an isolation baffle 7-3 and a ground indication plate 7-4, the first interlocking plate 7-1 is mounted on the bracket 1 and can move longitudinally, the fan plate 7-2 is mounted on the ground operation shaft 3 and is movably connected with the lower end of the first interlocking plate 7-1, the upper end of the first interlocking plate 7-1 is movably connected with the second micro switch 5, one end of the isolation baffle 7-3 is mounted on the first interlocking plate 7-1 through the second interlocking plate 7-5, the other end is connected with the bracket 1 and is movably connected with the ground indication plate 7-4, and the ground indication plate 7-4 is mounted on the first interlocking plate 7-1.
Referring to fig. 1,2, 5 and 6, the first interlocking plate 7-1 is mounted on an outer housing, a first limiting groove 7-11 is provided on the first interlocking plate 7-1, a first limiting component matched with the first limiting groove 7-11 is inserted on the outer housing, and the first limiting groove 7-11 and the first limiting component are used for limiting the moving distance of the first interlocking plate 7-1. The isolation baffle 7-3 is provided with a jack 7-31, a second limiting assembly is inserted into the jack 7-31, the fourth mounting plate 1-4 is provided with a second limiting groove 1-42 matched with the second limiting assembly, and the second limiting assembly and the second limiting groove 1-42 are used for limiting the moving distance of the isolation baffle 7-3. In this embodiment, the first limiting component and the second limiting component both use bolts. The fourth mounting plate 1-4 is provided with a third limiting assembly 1-43, the third limiting assembly 1-43 is made of sheet metal parts, and the third limiting assembly 1-43 is used for limiting the longitudinal moving distance of the second interlocking plate 7-5.
The working principle of this embodiment is as follows:
Closing operation of the isolating switch: the isolating operation shaft 2 is rotated clockwise by the operation handle, the shifting fork 6-2 on the isolating operation shaft 2 is driven to press the stroke shaft 6-1, the stroke shaft 6-1 presses down the first micro switch 4 to finish the switching of contacts of the first micro switch, the interlocking indication plate 6-3 moves downwards along with the stroke shaft 6-1, the state of the isolating switch is displayed as a switch-on state at the moment, and meanwhile, the interlocking indication plate 6-3 blocks the grounding operation hole, so that the grounding switch cannot be operated when the isolating switch is switched on, and the interlocking function is finished.
Disconnecting operation of the isolating switch: the operating handle is used for rotating the isolating operating shaft 2 anticlockwise, the isolating switch is used for opening, the travel shaft 6-1 moves upwards under the action of the shifting fork 6-2, the first micro switch 4 is enabled to recover to the normal state, the contact switching of the first micro switch is completed, the interlocking indicating plate 6-3 moves upwards along with the travel shaft 6-1, the state of the isolating switch is displayed as opening, and the grounding switch can be operated at the moment.
Closing operation of the grounding switch: the operation handle is used for rotating the grounding operation shaft 3 clockwise, the fan plate 7-2 on the grounding operation shaft 3 rotates along with the grounding operation shaft 3, the fan plate 7-2 drives the first interlocking plate 7-1 to move upwards, the grounding indication plate 7-4 moves upwards along with the first interlocking plate 7-1, the state of the grounding switch is displayed to be closed at the moment, meanwhile, the first interlocking plate 7-1 presses the second micro switch 5 upwards to finish the switching of the contacts of the second micro switch 5, the second interlocking plate 7-5 also moves upwards along with the first interlocking plate 7-1 to block the isolation operation hole, and the isolating switch cannot be operated when the grounding switch is closed.
The grounding switch opening operation: the operating handle is used for rotating the ground operating shaft 3 anticlockwise, the ground switch is disconnected, the first interlocking plate 7-1 and the second interlocking plate 7-5 move downwards, the second micro switch 5 is restored to the normal state, the contact conversion is completed, the ground indicating plate 7-4 moves downwards along with the second interlocking plate 7-5, the state of the ground switch is displayed as disconnection, and the isolating switch can be operated at the moment.
The embodiment completes the functions through isolating and grounding the respective operation shafts, solves the problem that the original operation mechanism can not perfectly take the isolation and grounding interlocking, indication and micro-switch contact switching into consideration by sharing one shaft core and a plastic swing rod, and improves the reliability of the whole mechanism.
The present invention is not limited to the above embodiments, but is merely preferred embodiments of the present invention, and the present invention should be construed as being limited to the above embodiments as long as the technical effects of the present invention are achieved by the same means. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the invention.
Claims (6)
1. The utility model provides an operation mechanism is kept apart to three stations of cabinet that aerifys, is including support (1) and install respectively keep apart operating shaft (2), ground connection operating shaft (3), first micro-gap switch (4) and second micro-gap switch (5) on support (1), be provided with on support (1) and keep apart operating hole and ground connection operating hole, its characterized in that: the isolating operation shaft (2) is connected with a first interlocking mechanism, the first interlocking mechanism is respectively and movably connected with the first micro switch (4) and the grounding operation hole, and the first interlocking mechanism is used for triggering the first micro switch (4), shielding the grounding operation hole and indicating the isolating state under the drive of the isolating operation shaft (2);
The grounding operation shaft (3) is connected with a second interlocking mechanism, the second interlocking mechanism is movably connected with the second micro switch and the isolation operation hole respectively, and the second interlocking mechanism is used for triggering the second micro switch (5), shielding the isolation operation hole and indicating the grounding state under the drive of the grounding operation shaft (3);
The support (1) comprises an outer shell, a first mounting plate (1-1) and a second mounting plate (1-2) which are respectively connected with the outer shell, a third mounting plate (1-3) is arranged on the first mounting plate (1-1), a fourth mounting plate (1-4) is arranged on the third mounting plate (1-3), the isolation operation shaft (2) is rotatably arranged on the first mounting plate (1-1), the third mounting plate (1-3) and the fourth mounting plate (1-4) in a penetrating manner, and the grounding operation shaft (3) is rotatably arranged on the outer shell and the second mounting plate (1-2) in a penetrating manner;
The first interlocking mechanism comprises a stroke shaft (6-1), a shifting fork (6-2) and an interlocking indication plate (6-3), wherein the stroke shaft (6-1) is installed on the fourth installation plate (1-4) and can longitudinally move, one end of the stroke shaft (6-1) is movably connected with the first micro switch (4), the shifting fork (6-2) comprises a shifting fork body (6-21) and a shifting fork claw (6-22) which are connected together, the shifting fork body (6-21) is installed on the isolation operation shaft (2), the shifting fork claw (6-22) is movably connected with the stroke shaft (6-1) through a positioning block (6-11) arranged on the stroke shaft (6-1), the interlocking indication plate (6-3) is movably connected with the grounding operation hole, and the interlocking indication plate (6-3) is connected with the stroke shaft (6-1) and can longitudinally move under the driving of the stroke shaft (6-1).
2. The three-station isolation operating mechanism of the gas-filled cabinet according to claim 1, wherein: the second interlocking mechanism comprises a first interlocking plate (7-1), a fan plate (7-2), an isolation baffle plate (7-3) and a grounding indication plate (7-4), wherein the first interlocking plate (7-1) is installed on the outer shell and can longitudinally move, the fan plate (7-2) is installed on the grounding operation shaft (3) and is movably connected with the lower end of the first interlocking plate (7-1), the upper end of the first interlocking plate (7-1) is movably connected with the second micro switch (5), one end of the isolation baffle plate (7-3) is installed on the first interlocking plate (7-1) through the second interlocking plate (7-5), the other end of the isolation baffle plate (7-3) is connected with the support (1) and is movably connected with the isolation operation hole, and the grounding indication plate (7-4) is installed on the first interlocking plate (7-1).
3. The three-station isolation operating mechanism of the gas-filled cabinet according to claim 1, wherein: the fourth mounting plate (1-4) is provided with a limiting hole, and the stroke shaft (6-1) penetrates through the limiting hole (1-41).
4. The three-station isolation operating mechanism of the inflatable cabinet according to claim 2, wherein: the first interlocking plate (7-1) is installed on the outer shell, a first limiting groove (7-11) is formed in the first interlocking plate (7-1), a first limiting component matched with the first limiting groove (7-11) is inserted on the outer shell, and the first limiting groove (7-11) and the first limiting component are used for limiting the moving distance of the first interlocking plate (7-1).
5. The three-station isolation operating mechanism of the inflatable cabinet according to claim 2, wherein: the isolation baffle (7-3) is inserted with a second limiting assembly, the fourth mounting plate (1-4) is provided with a second limiting groove (1-42) matched with the second limiting assembly, and the second limiting assembly and the second limiting groove (1-42) are used for limiting the moving distance of the isolation baffle (7-3).
6. The three-station isolation operating mechanism of the inflatable cabinet according to claim 2, wherein: the fourth mounting plate (1-4) is provided with a third limiting assembly (1-43), and the third limiting assembly (1-43) is used for limiting the moving distance of the second interlocking plate (7-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057592.3A CN109786170B (en) | 2019-01-22 | 2019-01-22 | Three-station isolation operating mechanism of inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057592.3A CN109786170B (en) | 2019-01-22 | 2019-01-22 | Three-station isolation operating mechanism of inflatable cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109786170A CN109786170A (en) | 2019-05-21 |
| CN109786170B true CN109786170B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057592.3A Active CN109786170B (en) | 2019-01-22 | 2019-01-22 | Three-station isolation operating mechanism of inflatable cabinet |
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| CN (1) | CN109786170B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203134691U (en) * | 2013-03-25 | 2013-08-14 | 深圳市康泰电气设备有限公司 | Three position breaker operation mechanism |
| CN206135283U (en) * | 2016-10-27 | 2017-04-26 | 温州兴机电器有限公司 | High tension switchgear's no. 5 prevents interlocking device |
| CN109036893A (en) * | 2018-08-15 | 2018-12-18 | 北京合纵科技股份有限公司 | A kind of three-station electric operating mechanism |
| CN109148206A (en) * | 2018-07-27 | 2019-01-04 | 上海天灵开关厂有限公司 | A kind of dual operation hole tri-station isolating switch mechanism and its interlock |
| CN209487386U (en) * | 2019-01-22 | 2019-10-11 | 深圳市康泰电气设备有限公司 | A kind of three station isolated operation mechanism of gas-filling cabinet |
-
2019
- 2019-01-22 CN CN201910057592.3A patent/CN109786170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203134691U (en) * | 2013-03-25 | 2013-08-14 | 深圳市康泰电气设备有限公司 | Three position breaker operation mechanism |
| CN206135283U (en) * | 2016-10-27 | 2017-04-26 | 温州兴机电器有限公司 | High tension switchgear's no. 5 prevents interlocking device |
| CN109148206A (en) * | 2018-07-27 | 2019-01-04 | 上海天灵开关厂有限公司 | A kind of dual operation hole tri-station isolating switch mechanism and its interlock |
| CN109036893A (en) * | 2018-08-15 | 2018-12-18 | 北京合纵科技股份有限公司 | A kind of three-station electric operating mechanism |
| CN209487386U (en) * | 2019-01-22 | 2019-10-11 | 深圳市康泰电气设备有限公司 | A kind of three station isolated operation mechanism of gas-filling cabinet |
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| Publication number | Publication date |
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| CN109786170A (en) | 2019-05-21 |
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