CN205881784U - Earthing switch and power switch cabinet thereof - Google Patents
Earthing switch and power switch cabinet thereof Download PDFInfo
- Publication number
- CN205881784U CN205881784U CN201620912117.1U CN201620912117U CN205881784U CN 205881784 U CN205881784 U CN 205881784U CN 201620912117 U CN201620912117 U CN 201620912117U CN 205881784 U CN205881784 U CN 205881784U
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- China
- Prior art keywords
- switch
- earthed switch
- ground connection
- rotating shaft
- head
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Abstract
The utility model provides an earthing switch and power switch cabinet thereof, earthing switch includes: pivot, mounting panel, moving contact, insulation support spare, static contact and tower run in, the moving contact through the pivot install in on the mounting panel, the static contact install in on the tower runs in, the tower runs in and installs through insulation support spare on the mounting panel. The utility model discloses additionally do not increase operating device, but directly the dress is operated on isolator's main shaft when isolator realizes ground connection, also can operate simultaneously earthing switch realizes ground connection, does not increase extra member, and then effective the cost is reduced, and, owing to there is the existence of auxiliary spring, under the condition that does not increase mechanism's operating physical force, can ensure also that earthing switch's combined floodgate is reliable, earthing switch's size is small and exquisite, does not need additionally to increase the width of power switch cabinet.
Description
Technical field
This utility model relates to a kind of switch, particularly relates to a kind of earthed switch, and relates to including this earthed switch
Power switch cabinet.
Background technology
Earthed switch ensures personal safety, for a kind of mechanical grounding device of ground connection when being as maintenance.To electrically
When equipment overhauls, for all directions of possible power transmission to power failure equipments, or power failure equipments may produce induced voltage
Will be closed earthed switch or hang up earth lead, and this is to prevent maintainer when power failure equipments or power failure operating point work
Suddenly incoming call, it is ensured that the reliable and secure measure of maintainer's personal safety, remaining on the electrical equipment that Simultaneous Switching cabinet is disconnected
Remaining electric charge, it is possible to closed ground connection by earthed switch and discharge totally.
In domestic electrical industry, earthed switch is a lot of by the voltage and current grade being suitable for, its structure and model, and function is big
Same small difference, but major part is in air, distance is relatively big between phase and phase, affects whole switch internal space and switch cubicle
Overall dimensions.And existing power switchgear, the most all to miniaturization and integrated development, either earthed switch or its
Its parts, on the premise of meeting electric parameter, should try one's best and chopper or on-load switch or disconnecting switch are integrated together, to the greatest extent
Measure compact.
Summary of the invention
Technical problem to be solved in the utility model is to need to provide a kind of ground connection reliable and reduce the ground connection of cost to open
Close, and the power switch cabinet including this earthed switch is provided.
To this, this utility model provides a kind of earthed switch, including: rotating shaft, installing plate, moving contact, insulated support, quiet
Contact and tower run in, and described moving contact is installed on described installing plate by rotating shaft, and described static contact is installed on described tower and runs in
On, described tower is run in and is arranged on described installing plate by insulated support.
Further improvement of the utility model is, also includes that spring, described spring are connected with described rotating shaft.
Further improvement of the utility model is, also includes that snap clasp, described snap clasp are arranged on described installation
On plate.
Further improvement of the utility model is, described spring is away from one end of described rotating shaft and described snap clasp phase
Connect.
Further improvement of the utility model is, also includes ground connection weldment, described ground connection weldment and described rotating shaft
It is connected.
Further improvement of the utility model is, also includes that drop-down head, described drop-down head are welded with described ground connection
Part is connected.
Further improvement of the utility model is, also includes that pull bar, described drop-down head are arranged under described pull bar
End.
Further improvement of the utility model is, also includes pulling up head, and described pull-up head arranges described pull bar
Upper end.
Further improvement of the utility model is, also includes that connecting lever, described pull-up head are installed on by upper connecting lever
On the disconnecting switch main shaft of power switch cabinet.
This utility model also provides for a kind of power switch cabinet, includes earthed switch as above, also includes keeping apart
Closing, described earthed switch is connected with described disconnecting switch.
Compared with prior art, the beneficial effects of the utility model are: described earthed switch does not additionally increase behaviour
Make mechanism, but be directly installed on the main shaft of disconnecting switch, operate described disconnecting switch when be grounded, simultaneously can also
Operate described earthed switch to be grounded, do not increase extra component, and then effectively reduce cost；Further, auxiliary owing to having
The existence of the spring helped, in the case of not increasing mechanism's operating physical force, it is also possible to guarantees that the combined floodgate of earthed switch is reliable, described
The compact size of earthed switch, is not required to additionally increase the width of power switch cabinet.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model；
Fig. 2 is the side profile structural representation of a kind of embodiment of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, preferably embodiment of the present utility model is described in further detail.
As depicted in figs. 1 and 2, this example provides a kind of earthed switch, including: rotating shaft 13, installing plate 5, moving contact 6, insulation
Support member 7, static contact 8 and tower run in 9, and described moving contact 6 is installed on described installing plate 5 by rotating shaft 13, described static contact 8
Being installed on described tower and run on 9, described tower is run in and 9 is arranged on described installing plate 5 by insulated support 7.
As in figure 2 it is shown, this example also includes that spring 11 and snap clasp 10, described spring 11 are connected with described rotating shaft 13,
Described snap clasp 10 is arranged on described installing plate 5, and described spring 11 draws with described spring away from one end of described rotating shaft 13
Hook 10 is connected, and plays the effect that auxiliary rotates.
As depicted in figs. 1 and 2, this example also include ground connection weldment 4, drop-down head 12, pull bar 3, pull-up head 2 and on turn
Arm 1, described ground connection weldment 4 is connected with described rotating shaft 13, and described drop-down head 12 is connected with described ground connection weldment 4,
Described drop-down head 12 is arranged at the lower end of described pull bar 3, and described pull-up head 2 arranges the upper end of described pull bar 3, described pull-up
Head 2 is installed on the disconnecting switch main shaft of power switch cabinet by upper connecting lever 1.
Upper connecting lever 1 is loaded on the disconnecting switch main shaft of power switch cabinet；During disconnecting switch operation, main shaft rotarily drives and turns
Arm 1 rotates；Upper connecting lever drives and carries in pull-up head 2；Upper connecting lever 1 drives and moves on pull bar 3；Pull bar 3 drives and moves in drop-down head 12；
Drop-down head 12 drives ground connection weldment 4 to rotate；Ground connection weldment 4 drives rotating shaft 13 to rotate；Rotating shaft 13 drives moving contact 6 to close a floodgate
On static contact 8.Complete ground connection.
The power of described earthed switch, directly from the main shaft of disconnecting switch, does not increase operating mechanism；Employ auxiliary
Spring 11, on the premise of not increasing operating physical force, it is achieved reliable ground；Also use the Tiebar structure of pull bar 3, no matter go up
How long the isolation circuit breakers switch of power switch cabinet has, as long as being lengthened or shortened pull bar 3 accordingly, can meet matching requirements.
This example also provides for a kind of power switch cabinet, includes earthed switch as above, also includes disconnecting switch, institute
State earthed switch to be connected with described disconnecting switch.
Earthed switch described in this example does not additionally increase operating mechanism, but is directly installed on the main shaft of disconnecting switch,
Operate described disconnecting switch when be grounded, described earthed switch can also be operated simultaneously and be grounded, not increase volume
Outer component, and then effectively reduce cost；Further, owing to there being the existence of the spring 11 of auxiliary, mechanism's operation is not being increased
In the case of power, it is also possible to guarantee that the combined floodgate of earthed switch is reliable, the compact size of described earthed switch, it is not required to additionally increase electricity
The width of power switch cubicle.
The detailed description of the invention of the above is better embodiment of the present utility model, not limits this practicality with this new
The scope that is embodied as of type, scope of the present utility model includes being not limited to this detailed description of the invention, all according to this utility model
Shape, structure made equivalence change all in protection domain of the present utility model.
Claims (10)
1. an earthed switch, it is characterised in that including: rotating shaft, installing plate, moving contact, insulated support, static contact and tower connect
Row, described moving contact is installed on described installing plate by rotating shaft, and described static contact is installed on described tower runs in, and described tower connects
Row is arranged on described installing plate by insulated support.
Earthed switch the most according to claim 1, it is characterised in that also include spring, described spring and described rotating shaft phase
Connect.
Earthed switch the most according to claim 2, it is characterised in that also include snap clasp, described snap clasp is installed
On described installing plate.
Earthed switch the most according to claim 3, it is characterised in that described spring away from one end of described rotating shaft with described
Snap clasp is connected.
5. according to the earthed switch described in Claims 1-4 any one, it is characterised in that also include ground connection weldment, described
Ground connection weldment is connected with described rotating shaft.
Earthed switch the most according to claim 5, it is characterised in that also include drop-down head, described drop-down head and institute
State ground connection weldment to be connected.
Earthed switch the most according to claim 6, it is characterised in that also include that pull bar, described drop-down head are arranged at institute
State the lower end of pull bar.
Earthed switch the most according to claim 7, it is characterised in that also including pulling up head, described pull-up head is arranged
The upper end of described pull bar.
Earthed switch the most according to claim 8, it is characterised in that also include connecting lever, described pull-up head is by upper
Connecting lever is installed on the disconnecting switch main shaft of power switch cabinet.
10. a power switch cabinet, it is characterised in that include the earthed switch as described in claim 1 to 9 any one,
Also include that disconnecting switch, described earthed switch are connected with described disconnecting switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912117.1U CN205881784U (en) | 2016-08-19 | 2016-08-19 | Earthing switch and power switch cabinet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912117.1U CN205881784U (en) | 2016-08-19 | 2016-08-19 | Earthing switch and power switch cabinet thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881784U true CN205881784U (en) | 2017-01-11 |
Family
ID=57705083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620912117.1U Active CN205881784U (en) | 2016-08-19 | 2016-08-19 | Earthing switch and power switch cabinet thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205881784U (en) |
-
2016
- 2016-08-19 CN CN201620912117.1U patent/CN205881784U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |