CN211670137U - Novel three-station disconnecting link switching operation device - Google Patents
Novel three-station disconnecting link switching operation device Download PDFInfo
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- CN211670137U CN211670137U CN202020169963.5U CN202020169963U CN211670137U CN 211670137 U CN211670137 U CN 211670137U CN 202020169963 U CN202020169963 U CN 202020169963U CN 211670137 U CN211670137 U CN 211670137U
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- limiting block
- disconnecting link
- linkage plate
- main shaft
- side edge
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Abstract
The utility model discloses a novel three-station disconnecting link switching operation device mechanism, which comprises a mechanism base, a disconnecting link switching handle, a linkage plate, a first limiting block, a second limiting block, a main shaft and a disconnecting link operation sleeve; the first limiting block is a grounding and opening limiting block; the second limiting block is a switching-on/off limiting block; the first limiting block is arranged on a first side edge of the mechanism base; the second limiting block is arranged on the second side edge of the mechanism base; the first side edge and the second side edge are two non-adjacent side edges; the first limiting block and the second limiting block are connected with the mechanism base in a sliding manner; two ends of the linkage plate are respectively connected with the first limiting block and the second limiting block; the disconnecting link switching handle is arranged on the linkage plate; the knife switch operating sleeve is sleeved on the main shaft; the rotation center of the main shaft is coincided with the rotation center of the knife switch operating sleeve. The utility model discloses in, this mechanism simple structure is reliable, and occupation space is little, easy operation, easy maintenance, and the switch switches simply, the interlocking is reliable.
Description
Technical Field
The utility model relates to a three station switch technical field, in particular to novel three station switches switch operation mechanism.
Background
The existing operating knife switch switching device mechanisms in the market are all gear structures, and the structure uses an operating handle to drive a gear linkage main shaft to realize switching-on, switching-off and grounding, although the structure is reliable, the structure is complex, the occupied space is large, and the two-step operating positions are separated to operate in two places and are not easy to operate.
SUMMERY OF THE UTILITY MODEL
In view of the defects existing in the prior art, the utility model aims to solve the technical problem that a novel three-station disconnecting link switching operation device mechanism is provided, aims at simplifying the structure of mechanism, reduces the whole size of mechanism, reduces the occupation space of mechanism, simplifies the disconnecting link switching operation of mechanism.
In order to achieve the purpose, the utility model provides a novel three-station disconnecting link switching operation device mechanism, which comprises a mechanism base, a disconnecting link switching handle, a linkage plate, a first limiting block, a second limiting block, a main shaft and a disconnecting link operating sleeve; the first limiting block is a grounding and opening limiting block; the second limiting block is a switching-on/off limiting block; the first limiting block is arranged on a first side edge of the mechanism base; the second limiting block is arranged on the second side edge of the mechanism base; the first side edge and the second side edge are two non-adjacent side edges; the first limiting block, the second limiting block and the mechanism base are connected in a sliding manner; two ends of the linkage plate are respectively connected with the first limiting block and the second limiting block; the disconnecting link switching handle is arranged on the linkage plate; the knife switch operating sleeve is sleeved on the main shaft; the rotation center of the main shaft is coincided with the rotation center of the disconnecting link operating sleeve.
In the technical scheme, the limit of the three-station disconnecting link is realized by arranging the sliding block structure of the first limit block and under the combined action of the disconnecting link operating sleeve and the first limit block when the vacuum circuit breaker is grounded and disconnected; through the arrangement of the second limiting slide block structure and the combined action of the disconnecting link operating sleeve and the second limiting block, the three-station disconnecting link is limited when the switching-on and switching-off operation is carried out on the vacuum circuit breaker; the sliding block structure with the first limiting block and the second limiting block is different from a traditional gear structure, and is simple and reliable in sliding block structure, few in parts, easy to machine and low in cost; through the mechanism, the two-step operation positions are operated in the same operation hole, so that the operation is simplified, and the operation difficulty is effectively reduced; the linkage plate and the disconnecting link switching handle are used for realizing the switching operation of the disconnecting link, and the disconnecting link switching device is simple to operate and reliable in interlocking.
In one embodiment, the mechanism base is mounted on a circuit breaker panel.
In a particular embodiment, the cross-section of the main shaft is rectangular.
In the technical scheme, the cross section of the main shaft is set to be rectangular, so that the main shaft is more firmly connected with the disconnecting link operating sleeve, and the disconnecting link operating sleeve is effectively prevented from rotating relative to the main shaft in the rotating process.
In a specific embodiment, the knife switch operating sleeve is provided with a first through hole matched with the spindle; the first through hole is in interference fit with the main shaft.
In the technical scheme, the first through hole is in interference fit with the main shaft, so that the disconnecting link operating sleeve is effectively prevented from falling off from the main shaft.
In a specific embodiment, two ends of the linkage plate are respectively connected to the end of the first limiting block and the end of the second limiting block; the first limiting block, the second limiting block and the linkage plate are connected in a rotating mode.
In a specific embodiment, the first end of the first stopper is a first regular end, and the second end of the first stopper is a first irregular end; the third end part of the second limiting block is a second regular end part, and the fourth end part of the second limiting block is a second irregular end part; the first end part and the third end part are positioned on the same side and close to the third side edge of the mechanism base; the third end part and the fourth end part are positioned on the same side and are close to the disconnecting link operating sleeve.
In a specific embodiment, the linkage plate is rotatably connected with the mechanism base, and a connection point is positioned at the center of the linkage plate; and a connecting line between the connecting point and the center of the main shaft is a first connecting line, and the first connecting line is parallel to the first side edge.
The utility model has the advantages that: in the utility model, through the slide block structure of the first limiting block and the combined action of the disconnecting link operating sleeve and the first limiting block, the limiting of the three-station disconnecting link is realized when the vacuum circuit breaker is grounded and disconnected; through the arrangement of the second limiting slide block structure and the combined action of the disconnecting link operating sleeve and the second limiting block, the three-station disconnecting link is limited when the switching-on and switching-off operation is carried out on the vacuum circuit breaker; the sliding block structure with the first limiting block and the second limiting block is different from a traditional gear structure, and is simple and reliable in sliding block structure, few in parts, easy to machine and low in cost; through the mechanism, the two-step operation positions are operated in the same operation hole, so that the operation is simplified, and the operation difficulty is effectively reduced; the switching operation of the disconnecting link is realized through the combined action of the linkage plate and the disconnecting link switching handle, and the operation is simple and the interlocking is reliable; the mechanism occupies small space, has beautiful appearance and is easy to maintain.
Drawings
Fig. 1 is a schematic structural diagram of a novel three-position disconnecting link switching operation device mechanism according to an embodiment of the present invention;
fig. 2 is a connection relationship diagram of a novel three-position disconnecting link switching operation device mechanism and a vacuum circuit breaker in the embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-2, in an embodiment of the present invention, a novel three-position disconnecting link switching operation device mechanism is provided, the mechanism includes a mechanism base 100, a disconnecting link switching handle 200, a linkage plate 300, a first stopper 400, a second stopper 500, a main shaft 600, and a disconnecting link operating sleeve 700; the first limiting block 400 is a grounding and opening limiting block; the second limiting block 500 is a switching-on/off limiting block; the first stopper 400 is installed at a first side of the mechanism base 100; the second stopper 500 is installed at a second side of the mechanism base 100; the first side edge and the second side edge are two non-adjacent side edges; the first limiting block 400, the second limiting block 500 and the mechanism base 100 are connected in a sliding manner; two ends of the linkage plate 300 are respectively connected with the first limiting block 400 and the second limiting block 500; the knife switch switching handle 200 is arranged on the linkage plate 300; the knife switch operating sleeve 700 is sleeved on the main shaft 600; the rotation center of the spindle 600 coincides with the rotation center of the knife switch operating sleeve 700.
In this embodiment, the mechanism base 100 is installed on the circuit breaker panel 800.
In this embodiment, the cross-section of the spindle 600 is rectangular.
In this embodiment, the switch operating sleeve 700 is provided with a first through hole matching with the spindle 600; the first through hole is in interference fit with the main shaft 600.
In this embodiment, two ends of the linkage plate 300 are respectively connected to the end of the first limiting block 400 and the end of the second limiting block 500; the first limiting block 400, the second limiting block 500 and the linkage plate 300 are connected in a rotating manner.
In this embodiment, the first end of the first limiting block 400 is a first regular end, and the second end of the first limiting block 400 is a first irregular end; the third end of the second limiting block 500 is a second regular end, and the fourth end of the second limiting block 500 is a second irregular end; the first end and the third end are located on the same side and close to the third side of the mechanism base 100; the third end portion and the fourth end portion are located on the same side and close to the disconnecting link operating sleeve 700.
In this embodiment, the linkage plate 300 is rotatably connected to the mechanism base 100, and the connection point is located at the center of the linkage plate 300; a connection line between the connection point and the center of the spindle 600 is a first connection line, and the first connection line is parallel to the first side edge.
In this embodiment, the earthing and opening of the three-position disconnecting link 900 are realized by rotating the disconnecting link operating sleeve 700 in the counterclockwise direction; the switching-on and switching-off operation of the three-station disconnecting link 900 is realized by rotating the disconnecting link operating sleeve 700 clockwise; when grounding and opening operations are required, the disconnecting link switching handle 200 is operated, so that the first limiting block 400 moves downwards, and the second limiting block 500 moves upwards, and the grounding and opening operations are limited; when switching on and switching off, the second limiting block 500 moves downwards and the first limiting block 400 moves upwards by operating the disconnecting link switching handle 200, so as to limit switching on and switching off; the mechanism has simple and reliable structure, utilizes the sliding block structure for limiting during operation, has few parts, is easy to process and has low cost; the occupied space is small, the appearance is attractive, and the maintenance is easy; the two-step operation positions are operated in the same operation hole, so that the operation is easy; the knife switch is simple to switch and operate and reliable in interlocking.
Specific embodiments of the present invention have been described above in detail. It is to be understood that the specific embodiments of the invention are not exclusive and that numerous modifications and variations may be made by those skilled in the art in light of the teaching of the present invention within the scope of the appended claims. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the embodiments of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A novel three-station disconnecting link switching operation device mechanism is characterized by comprising a mechanism base, a disconnecting link switching handle, a linkage plate, a first limiting block, a second limiting block, a main shaft and a disconnecting link operation sleeve; the first limiting block is a grounding and opening limiting block; the second limiting block is a switching-on/off limiting block; the first limiting block is arranged on a first side edge of the mechanism base; the second limiting block is arranged on the second side edge of the mechanism base; the first side edge and the second side edge are two non-adjacent side edges; the first limiting block, the second limiting block and the mechanism base are connected in a sliding manner; two ends of the linkage plate are respectively connected with the first limiting block and the second limiting block; the disconnecting link switching handle is arranged on the linkage plate; the knife switch operating sleeve is sleeved on the main shaft; the rotation center of the main shaft is coincided with the rotation center of the disconnecting link operating sleeve.
2. The novel three-position disconnecting link switching operation device mechanism as claimed in claim 1, wherein the mechanism base is mounted on a circuit breaker panel.
3. The mechanism as claimed in claim 1, wherein the cross section of the main shaft is rectangular.
4. The novel three-station switch switching operating device mechanism as claimed in claim 1, wherein the switch operating sleeve is provided with a first through hole matched with the spindle; the first through hole is in interference fit with the main shaft.
5. The novel three-position disconnecting link switching operation device mechanism as claimed in claim 1, wherein two ends of the linkage plate are respectively connected to the end of the first limiting block and the end of the second limiting block; the first limiting block, the second limiting block and the linkage plate are connected in a rotating mode.
6. The novel three-position disconnecting link switching operation device mechanism as claimed in claim 1, wherein the linkage plate is rotatably connected with the mechanism base, and a connection point is located at the center of the linkage plate; and a connecting line between the connecting point and the center of the main shaft is a first connecting line, and the first connecting line is parallel to the first side edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169963.5U CN211670137U (en) | 2020-02-14 | 2020-02-14 | Novel three-station disconnecting link switching operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020169963.5U CN211670137U (en) | 2020-02-14 | 2020-02-14 | Novel three-station disconnecting link switching operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211670137U true CN211670137U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020169963.5U Active CN211670137U (en) | 2020-02-14 | 2020-02-14 | Novel three-station disconnecting link switching operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211670137U (en) |
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2020
- 2020-02-14 CN CN202020169963.5U patent/CN211670137U/en active Active
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