CN209729746U - The operation switching device of earthing switch and earthing switch comprising the device - Google Patents
The operation switching device of earthing switch and earthing switch comprising the device Download PDFInfo
- Publication number
- CN209729746U CN209729746U CN201920615541.3U CN201920615541U CN209729746U CN 209729746 U CN209729746 U CN 209729746U CN 201920615541 U CN201920615541 U CN 201920615541U CN 209729746 U CN209729746 U CN 209729746U
- Authority
- CN
- China
- Prior art keywords
- arm
- block piece
- push rod
- earthing switch
- switching device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of the operation switching device and earthing switch of earthing switch, the operation switching device includes: bracket, is set on the shell of switchgear;Push rod is movably set on bracket, and can be moved between the first location and the second location, wherein disconnecting microswitch when push rod is located at first position under flexible bias pressure effect;When push rod is located at the second position, connect microswitch;And block piece, it is pivotably disposed on bracket, it is able to rotate to move between the open position and the closed position, wherein when block piece turns to closed position from open position, block piece driving push rod overcomes flexible bias pressure to move to the second position from first position, block piece blocks the handle hole of earthing switch, to only be able to carry out the electric operating of earthing switch;When block piece turns to open position from closed position, push rod returns to first position under the action of flexible bias pressure, makes handle hole exposure, to only be able to carry out the manual operation of earthing switch.
Description
Technical field
The utility model relates to a kind of operation switching device of earthing switch and include the earthing switch of the device.
Background technique
Earthing switch is a kind of switching device for ensuring personal safety, in switchgear.As people are to long-range control
With the demand of safety, electric operating earthing switch is more and more common.However, in electric operating, the rotation of operating shaft can be to thinking
The user that earthing switch is manually operated damages.Therefore it provides can be cut between electric operating and manual operation
It changes, and ensures that the earthing switch of the personal safety of operator has become urgently to be resolved ask during electric operating or manual operation
Topic.
Utility model content
Therefore, the purpose of the utility model is to provide a kind of operation switching device of earthing switch and comprising the device
Earthing switch, which is simple and convenient to operate, is small in size, high reliablity and can ensure personal safety.
The utility model relates to a kind of operation switching device of earthing switch, earthing switch be set in switchgear and with open
The microswitch electrical connection in cabinet is closed, when microswitch is connected, earthing switch is by electric operating;When microswitch disconnects,
User can make the handle hole of the operating shaft of earthing switch be exposed and can by operation handle insertion operation hole, thus into
The manual operation of row earthing switch, which is characterized in that operating switching device includes:
Bracket is set on the shell of switchgear;
Push rod is movably set on bracket, and can be moved between the first location and the second location, wherein when pushing away
When bar is located at first position under flexible bias pressure effect, push rod disconnects microswitch far from microswitch;When push rod is located at
When the second position, push rod is close to microswitch and connects microswitch;And
Block piece is pivotably disposed on bracket, and can be rotated to transport between the open position and the closed position
It is dynamic,
Wherein, when block piece turns to closed position from open position, block piece driving push rod overcomes flexible bias pressure
The second position is moved to from first position, block piece blocks the handle hole of earthing switch, to only be able to carry out earthing switch
Electric operating;When block piece turns to open position from closed position, push rod returns to first under the action of flexible bias pressure
Position makes handle hole exposure, to only be able to carry out the manual operation of earthing switch.
In one embodiment, bracket includes first support, and first support includes first connecting portion, in first connecting portion
Both ends the first arm and the second arm that extend perpendicular to first connecting portion, wherein be provided with the first hole on the first arm,
The second hole is provided on two arms, the first hole and the second hole are aligned with the actuation button of microswitch in a first direction, and
Wherein push rod is arranged through the first hole and the second hole, and when being located at first position, push rod is prominent from the first hole.
In one embodiment, bracket further includes second support, and wherein second support includes second connecting portion, second
The third arm and the 4th arm that the both ends of interconnecting piece extend perpendicular to second connecting portion, are wherein provided in second connecting portion
The third hole being aligned on first direction with the actuation button of microswitch, and wherein push rod is arranged through third hole, wherein
When push rod is located at first position, push rod is prominent from third hole.
In one embodiment, operation switching device further includes the pivotal axis extended in a second direction, wherein stopping
Part is set on bracket by pivotal axis in one end and can be around pivot axis, and wherein second direction and first
Direction is vertical.
In one embodiment, block piece includes main body, the operation portion for being set to its end far from pivotal axis, In
The first mounting portion and the second mounting portion that two opposite side edges of main body extend perpendicular to it, pivoting axis pass through the first peace
Hole in dress portion and the second mounting portion, and wherein when block piece is located at open position, block piece is far from second connecting portion;When
When block piece is located at closed position, block piece is close to second connecting portion.
In one embodiment, second support further includes being set to third arm and/or the 4th arm far from pivotal axis
End on stop part, the operation portion of block piece is provided with corresponding matching piece in its at least one side edge, wherein when
When block piece is located at closed position, matching piece is connected in stop part.
In one embodiment, pivotal axis is set on third arm and the 4th arm, the first mounting portion and the second peace
Hole in dress portion is elongate holes, enables block piece along the longitudinal axis of elongate holes.
In one embodiment, operation switching device further includes elastic component, and elastic component is arranged on push rod and to push rod
Apply flexible bias pressure.
In one embodiment, boss is provided on push rod, an end of elastic component is set on boss.
In one embodiment, it is provided at least two electric operating lock- receiving aperture on third arm, is set on the 4th arm
At least two electric operating lock- receiving aperture are equipped with, wherein at least two electric operating lock- receiving aperture on third arm and the 4th arm
At least two electric operating lock- receiving aperture be respectively aligned in a second direction.
In one embodiment, at least two manual operation lock- receiving aperture are provided on third arm and/or the 4th arm.
In one embodiment, at least two electric operatings extension is provided on the first mounting portion and/or the second mounting portion
Lockhole and at least two manual operation lock- receiving aperture and the first mounting portion and the second installation position are in third arm and the 4th arm
Between,
Wherein when block piece is located at closed position, third arm, the 4th arm, the first mounting portion and/or the second installation
At least two electric operating lock- receiving aperture in portion are respectively aligned in a second direction;And when block piece is located at open position,
At least two manual operation lock- receiving aperture on third arm and/or the 4th arm and the first mounting portion and/or the second mounting portion
It is respectively aligned in a second direction.
The utility model further relates to a kind of earthing switch, which is characterized in that the earthing switch includes foregoing operation
Switching device.
In one embodiment, earthing switch further includes slide plate, and slide plate has recess portion, to be located at closure position in block piece
Block piece is avoided when setting.
Detailed description of the invention
From the preferred embodiments of the present invention being described in detail with reference to the accompanying drawing, the advantages of the utility model and
Purpose is available to be more fully understood.In order to preferably show the relationship of each component in the accompanying drawings, attached drawing is not necessarily drawn to scale.
In attached drawing:
Fig. 1 shows the operation switching device of one embodiment of the utility model and microswitch is mounted on switchgear
Schematic diagram;
Fig. 2 is the first support of the operation switching device in Fig. 1 and the schematic diagram of microswitch;
Fig. 3 is the second support for showing the operation switching device in Fig. 1, the schematic diagram of pivotal axis and block piece;
The schematic diagram of operation switching device when Fig. 4 is electric operating earthing switch;
The partial plan layout of operation switching device and earthing switch when Fig. 5 is electric operating earthing switch;
The three-dimensional partial schematic diagram of operation switching device and earthing switch when Fig. 6 is electric operating earthing switch;
Fig. 7 is the schematic diagram of operation switching device when earthing switch is manually operated;
The schematic diagram when block piece and second support that Fig. 8 is operation switching device are completely separated;And
Fig. 9 is the schematic diagram of the earthing switch of the utility model.
Specific embodiment
It will be described in detail with reference to the accompanying drawings each embodiment according to the present utility model.Here it is to be noted that it in attached drawing
In, assign identical appended drawing reference to component part substantially with same or like structure and function, and close omitting
In their repeated description.If not otherwise specified, term herein " first direction ", " second direction ", " rotation side
To " etc. be to be described relative to the attached drawing of the utility model.Term " including A, B, C etc. " be not precluded between A and B and/
Or between B and C include other components a possibility that.The description of " first " and its variant is just for the sake of distinguishing each component, not
The scope of the utility model is limited, without departing from the scope of the invention, " first component " can be written as " second
Component " etc..
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.
In the following, preferred embodiment according to the present utility model is described in detail referring to figs. 1 to Fig. 9.
As shown in Figure 1-3, the operation switching device 100 of one embodiment of the utility model include first support 1, second
Bracket 2, push rod 3, elastic component 4, block piece 5 and pivotal axis 6.
As shown in figure 9, the earthing switch 300 of one embodiment of the utility model includes operation switching device 100.Ground connection
Switch 300 is set in switchgear and is electrically connected with the microswitch 200 in switchgear.As shown in 5,6,8 and 9, earthing switch
300 include the operating shaft 301 and slide plate 303 with handle hole 302.When carrying out electric operating to earthing switch, fine motion need to be made
Switch connection is to supply electric power for earthing switch, to make operating shaft rotate to carry out divide-shut brake.When to earthing switch progress hand
When dynamic operation, operation handle need to be inserted into the handle hole being exposed by user, rotate operating shaft by manpower to be divided
It closes a floodgate.
As shown in Figure 1, first support 1 is set on the shell of switchgear (such as inside of the housing).As shown in Fig. 2,
The first arm 11 that first support 1 includes first connecting portion 13, extends at the both ends of first connecting portion perpendicular to first connecting portion
With the second arm 12.Be aligned in a first direction with the actuation button 201 of microswitch 200 is provided on first arm 11
One hole 14.The second hole being aligned in a first direction with the actuation button 201 of microswitch 200 is provided on second arm 12
15.Push rod 3 passes through the first hole 14 and the second hole 15.As illustrated in fig. 1 and 2, first direction is arrow x direction, is also push rod 3
Length direction.
The first support of the utility model is not limited to form as shown in the figure.For example, first support can be cylindrical structure,
It is set on the shell of switchgear, only has the first hole, and push rod passes through the first hole.
In addition, as shown in Fig. 2, first support 1 further includes prolonging in a first direction from what one end of the second arm 12 extended
Extending portion, microswitch 200 are mounted on extension by screw.
As shown in Figure 1, second support 2 is set on the shell of switchgear (such as in outside of shell).Such as the institute of Fig. 3 and 4
Show, the third arm that second support 2 includes second connecting portion 23, extends at the both ends of second connecting portion perpendicular to second connecting portion
21 and the 4th arm 22.As shown in figure 4, being provided with the touch with microswitch 200 in a first direction in second connecting portion 23
Button 201 is directed at the third hole 24 of (that is, being aligned with the first hole 14 and the second hole 15).Push rod 3 passes through the first hole 14, the second hole 15
With third hole 24, wherein push rod is outstanding from third hole when push rod is located at first position.
As shown in figure 3, pivotal axis 6 is set on third arm and the 4th arm and extends in a second direction, block piece 5 exists
It is set in second support 2 at one end thereof by pivotal axis and can be around pivot axis.Second direction y and first direction
X is vertical.
The bracket of the utility model is not limited to form as shown in the figure.For example, bracket only includes first support, and pivotal axis is straight
It connects on the shell for being set to switchgear.
Push rod 3 can move between the first location and the second location.At first position, push rod 3 applies in elastic component 4
The lower actuation button 201 far from microswitch 200 of flexible bias pressure effect and prominent from second connecting portion 23, make microswitch
It disconnects, as shown in Figure 7.In the second place, push rod 3 overcomes flexible bias pressure under the driving of block piece 5 and contacts fine motion and open
The actuation button 201 for closing 200, connects microswitch, as shown in Figure 4.
Elastic component 4 is for example arranged on push rod 3, and applies flexible bias pressure to push rod.As shown in Figure 4, it is arranged on push rod 3
There is boss 31, an end of elastic component 4 is set on the boss 31.When push rod is located at first position, elastic component it is another
A end does not contact first support 1, as shown in Figure 7.When push rod is located at the second position, another end of elastic component 4 is contacted
Second arm 12 of first support 1, as shown in Figure 4.For example, elastic component is spring.
Block piece 5 includes main body 51 and first mounting portion 52 He of two side edges relatively perpendicular to its extension in main body
Second mounting portion 53.Block piece is arranged and making pivotal axis 6 pass through hole 54 on the first mounting portion 52 and the second mounting portion 53
In in second support 2.In addition, block piece 5 includes the operation portion 55 being set on its end far from pivotal axis 6.Block piece 5 around
The rotation of pivotal axis 6 between the open position far from second connecting portion 23 and the closed position close to second connecting portion 23 to transport
It is dynamic.
As shown in figure 3, second support 2 further includes being set to third arm 21 and the 4th end of the arm 22 far from pivotal axis
On stop part 26.The operation portion 55 of block piece 5 is arranged there are two corresponding matching piece 56 in two side edge.Work as blocking
When part 5 is located at closed position, two matching pieces 56 are connected in respectively in the stop part 26 of third arm and the 4th arm.At this point,
Stop part prevents block piece from leaving closed position.
For example, stop part 26 is slot, matching piece 56 is from operation portion boss outstanding.
Certainly, the stop part of the utility model can be only arranged on one in third arm and the 4th arm, and be stopped
Part only includes a matching piece.
Fig. 3 pivoting axis 6 is fixed on third arm 21 and the 4th arm 22, the first mounting portion 52 and the second mounting portion 53
On hole 54 be elongate holes.The longitudinal axis of elongate holes extends in the z-direction.When operator is intended to block piece 5 from closure
When position is moved to open position, operator needs press operating part 55 to move it in the x-direction, to make matching piece 56 and backstop
Part 26 disengages, and then operator pulls block piece 5 that it is made to leave stop part completely in the z-direction, later, operator can make to hinder
Block piece 5 turns to open position around pivotal axis 6.Third direction z is vertical with first direction x and second direction y.
The operation switching device structure of the utility model is simple and convenient to operate, high reliablity.
Electric operating and the manual operation how device 100 is grounded switch is explained further below with reference to Fig. 4-8
Switching.
When block piece 5 turns to closed position from open position around pivotal axis, 5 driving push rod 3 of block piece overcomes elasticity
Biasing force moves to the second position from first position, to drive microswitch to connect, as shown in Figure 4.At this point, 4 quilt of elastic component
It is compressed between boss 31 and the second arm 12.
As shown in Figure 5 and Figure 6, the operation portion 55 of block piece 5 blocks the handle hole of the operating shaft 301 of earthing switch 300
302, at this point, operator can not be by operation handle insertion operation hole, thus earthing switch can not be operated manually.Also
It is to say, is only able to carry out the electric operating of earthing switch.
As shown in fig. 6, the slide plate 303 of earthing switch has recess portion 304, to avoid when block piece 5 is located at closed position
The operation portion 55 of block piece.At this point, block piece will not hinder the movement of slide plate.Thus, the mechanical device of the utility model may be used also
To save installation space.
When block piece 5 turns to open position from closed position around pivotal axis 6, push rod 3 is retracted first by elastic component 4
It sets, push rod no longer contacts and presses actuation button, so that microswitch disconnects, as shown in Figure 7.
As shown in right part in Fig. 8, when earthing switch will be manually operated in operator, the hand of operator stirs cunning
Piece 303 exposes the handle hole 302 of the operating shaft 301 of earthing switch, another hand by operation handle insertion operation hole so that
The operating shaft of earthing switch rotates, to make grounding switch tripping or combined floodgate.It is only able to carry out the manual behaviour of earthing switch at this time
Make.
The electric operating of off-ground switch when the device of the utility model can ensure that earthing switch is manually operated,
The divide-shut brake movement because of earthing switch is avoided to damage manual operator, hereby it is ensured that the operation of earthing switch is reliable
Property and personal safety.
In the other embodiments of the utility model, lock- receiving aperture can be set in second support and/or block piece to pacify
Fill padlock, to user show earthing switch mode of operation, and ensure earthing switch only exist in electric operating state and manually
In one of mode of operation.
As shown in figs. 3 and 8, it is respectively set on third arm 21 and the 4th arm 22 there are two electric operating lock- receiving aperture 27,
And the electric operating lock- receiving aperture 27 in the electric operating lock- receiving aperture 27 and the 4th arm 22 on third arm 21 is in second direction y
Upper alignment.Lock- receiving aperture 28 is manually operated there are two also setting up on third arm.Compared with electric operating lock- receiving aperture 27, manual operation
Second connecting portion 23 of the lock- receiving aperture 28 far from second support 2.
Certainly, the not limited to of electric operating lock- receiving aperture 27 and manual operation lock- receiving aperture 28 is in number as shown in the figure, this reality
It can have more lock- receiving aperture with novel other embodiments.In addition, manual operation lock- receiving aperture 28 can also be set to the 4th
On arm.
As shown in figure 3, the first mounting portion 52 extends along the almost entire side edge of block piece 5, and the second mounting portion 53 is only
Part along another side edge of block piece 5 extends.As shown in figure 8, there are two electric operatings to hang for setting on the first mounting portion 52
Lockhole 57 and two manual operation lock- receiving aperture 58.Compared with electric operating lock- receiving aperture 57, manual operation lock- receiving aperture 58 is far from blocking
The main body 51 of part 5.
Certainly, electric operating lock- receiving aperture 57 and two manual operation lock- receiving aperture there are two may also set up on the second mounting portion 53
58.In addition, the electric operating lock- receiving aperture 57 of the utility model and manual operation lock- receiving aperture 58 are not limited to number as shown in the figure.
When block piece 5 is located at closed position, the first mounting portion 52 and the second mounting portion 53 are located at third arm 21 and
Two electronic behaviour in two electric operating lock- receiving aperture 27, the 4th arm 22 between four arms 22 and on third arm 21
Make on lock- receiving aperture 27 and the first mounting portion 52 two electric operating lock- receiving aperture 57 to be respectively aligned on second direction y.
Padlock can be set in the electric operating lock- receiving aperture 27 and 57 of alignment by operator, show earthing switch to user
In electric operating state, and earthing switch is made to be in electric operating state always.
When block piece 5 is located at open position, the first mounting portion 52 and the second mounting portion 53 be still located at third arm 21 with
Between 4th arm 22, two manual operation lock- receiving aperture 28 on third arm 21 and two manual behaviour on the first mounting portion 52
Make lock- receiving aperture 58 to be respectively aligned on second direction y.
Padlock can be set in the manual operation lock- receiving aperture 28 and 58 of alignment by operator, show earthing switch to user
In manual operation state, and earthing switch is made to be in manual operation state always.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to purpose of utility model, be subject to the purpose for realizing the utility model.
Claims (14)
1. a kind of operation switching device of earthing switch, earthing switch be set in switchgear and with the microswitch in switchgear
Electrical connection, when microswitch is connected, earthing switch is by electric operating;When microswitch disconnects, user can be such that ground connection opens
The handle hole of the operating shaft of pass is exposed and can be by operation handle insertion operation hole, to carry out the manual of earthing switch
Operation, which is characterized in that operating switching device includes:
Bracket is set on the shell of switchgear;
Push rod is movably set on bracket, and can be moved between the first location and the second location, wherein when push rod exists
When being located at first position under flexible bias pressure effect, push rod disconnects microswitch far from microswitch;When push rod is located at second
When position, push rod is close to microswitch and connects microswitch;And
Block piece is pivotably disposed on bracket, and can be rotated to move between the open position and the closed position,
Wherein, when block piece turns to closed position from open position, block piece driving push rod overcomes flexible bias pressure from
One position moves to the second position, and block piece blocks the handle hole of earthing switch, to only be able to carry out the electronic of earthing switch
Operation;When block piece turns to open position from closed position, push rod returns to first position under the action of flexible bias pressure,
Make handle hole exposure, to only be able to carry out the manual operation of earthing switch.
2. operation switching device as described in claim 1, which is characterized in that bracket includes first support, and first support includes
First connecting portion, the first arm and the second arm extended at the both ends of first connecting portion perpendicular to first connecting portion, wherein the
Be provided with the first hole on one arm, be provided with the second hole on the second arm, the first hole and the second hole in a first direction with fine motion
The actuation button of switch is aligned, and wherein push rod is arranged through the first hole and the second hole, and when being located at first position,
Push rod is prominent from the first hole.
3. operation switching device as described in claim 1, which is characterized in that bracket includes second support, wherein second support
Including second connecting portion, the third arm and the 4th arm that extend at the both ends of second connecting portion perpendicular to second connecting portion,
The third hole being aligned in a first direction with the actuation button of microswitch, and wherein push rod are provided in middle second connecting portion
It is arranged through third hole, wherein push rod is prominent from third hole when push rod is located at first position.
4. operation switching device as claimed any one in claims 1 to 3, which is characterized in that operating switching device further includes
The pivotal axis extended in a second direction, wherein block piece is set on bracket by pivotal axis in one end and can be around
Pivot axis, and wherein second direction is vertical with first direction.
5. operation switching device as claimed in claim 4, which is characterized in that block piece includes main body, is set to it far from pivot
The operation portion of the end of shaft, the first mounting portion and second extended in two opposite side edges of main body perpendicular to it are installed
Portion, pivoting axis pass through the hole on the first mounting portion and the second mounting portion, and wherein when block piece is located at open position,
Block piece is far from second connecting portion;When block piece is located at closed position, block piece is close to second connecting portion.
6. operation switching device as claimed in claim 5, which is characterized in that second support further includes being set to third arm
And/or the 4th arm far from the stop part on the end of pivotal axis, the operation portion of block piece is set in its at least one side edge
It is equipped with corresponding matching piece, wherein matching piece is connected in stop part when block piece is located at closed position.
7. operation switching device as claimed in claim 5, which is characterized in that pivotal axis is set to third arm and the 4th arm
On, the hole on the first mounting portion and the second mounting portion is elongate holes, enables block piece along the longitudinal axis of elongate holes
Movement.
8. operation switching device as described in claim 1, which is characterized in that operation switching device further includes elastic component, elasticity
Part is arranged on push rod and applies flexible bias pressure to push rod.
9. operation switching device as claimed in claim 8, which is characterized in that it is provided with boss on push rod, one of elastic component
End is set on boss.
10. operation switching device as claimed in claim 5, which is characterized in that it is electronic to be provided at least two on third arm
Lock- receiving aperture is operated, is provided at least two electric operating lock- receiving aperture on the 4th arm, wherein at least two electricity on third arm
Dynamic operation lock- receiving aperture is respectively aligned in a second direction at least two electric operating lock- receiving aperture on the 4th arm.
11. operation switching device as claimed in claim 10, which is characterized in that be arranged on third arm and/or the 4th arm
There are at least two manual operation lock- receiving aperture.
12. operation switching device as claimed in claim 11, which is characterized in that on the first mounting portion and/or the second mounting portion
It is provided at least two electric operating lock- receiving aperture and at least two manual operation lock- receiving aperture and the first mounting portion and the second installation
Portion between third arm and the 4th arm,
Wherein when block piece is located at closed position, on third arm, the 4th arm, the first mounting portion and/or the second mounting portion
At least two electric operating lock- receiving aperture be respectively aligned in a second direction;And when block piece is located at open position, third
At least two manual operation lock- receiving aperture on arm and/or the 4th arm and the first mounting portion and/or the second mounting portion are the
It is respectively aligned on two directions.
13. a kind of earthing switch, which is characterized in that the earthing switch includes as described in any one of preceding claims 1 to 12
Operation switching device.
14. earthing switch as claimed in claim 13, which is characterized in that earthing switch further includes slide plate, and slide plate has recess portion,
To avoid block piece when block piece is located at closed position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920615541.3U CN209729746U (en) | 2019-04-30 | 2019-04-30 | The operation switching device of earthing switch and earthing switch comprising the device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920615541.3U CN209729746U (en) | 2019-04-30 | 2019-04-30 | The operation switching device of earthing switch and earthing switch comprising the device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209729746U true CN209729746U (en) | 2019-12-03 |
Family
ID=68673984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920615541.3U Active CN209729746U (en) | 2019-04-30 | 2019-04-30 | The operation switching device of earthing switch and earthing switch comprising the device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209729746U (en) |
-
2019
- 2019-04-30 CN CN201920615541.3U patent/CN209729746U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108511927B (en) | Terminal board | |
CN105247736B (en) | Automatically closing electric connection system | |
CN110289532B (en) | Adapter joint | |
CN209729746U (en) | The operation switching device of earthing switch and earthing switch comprising the device | |
KR102085463B1 (en) | Switch device structure | |
CN101345166A (en) | Trip device module and circuit breaker implementing the same | |
CN206003675U (en) | Button switch | |
KR101158639B1 (en) | A switching mechanism for circuit braker | |
CN110492371A (en) | The application method of distribution box push button high-pressure remote control switch | |
CN108346887B (en) | Spring-connected ground terminal | |
CN208970409U (en) | A kind of quick position-changing tool of guillotine type switch | |
CN206353496U (en) | A kind of change-over switch | |
CN115360065A (en) | Plug-in circuit breaker | |
CN211788787U (en) | Manual locking device of three-station operating mechanism | |
CN209168973U (en) | Switching device and charging gun housing unit for charging gun charging circuit | |
CN208460588U (en) | Change operation means | |
CN108352646A (en) | Include the electrical socket of closing device with retractible electrical contact | |
CN109068061B (en) | Control switch and operation panel | |
CN209000852U (en) | A kind of control and protective switching device | |
CN109216088A (en) | A kind of quick position-changing tool of guillotine type switch | |
CN210468476U (en) | Heating control cabinet | |
CN109192627A (en) | A kind of control and protective switching device | |
CN218958194U (en) | Socket with switch | |
CN207883639U (en) | A kind of leakage circuit breakers | |
CN216719855U (en) | Opening device of circuit breaker and switch equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |