CN110491692A - Earthing switch operation handle - Google Patents
Earthing switch operation handle Download PDFInfo
- Publication number
- CN110491692A CN110491692A CN201810460767.0A CN201810460767A CN110491692A CN 110491692 A CN110491692 A CN 110491692A CN 201810460767 A CN201810460767 A CN 201810460767A CN 110491692 A CN110491692 A CN 110491692A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connector
- pin
- leading axle
- hole
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/04—Levers
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention provides a kind of earthing switch operation handles, comprising: manipulator's shank, sleeve, connector, leading axle and reset spring；Wherein it is of the invention by sleeve from the axially displaced extraction for realizing connector to its angular adjusted position of its operating position, and sleeve is allowed to change angular relationship between the two relative to the rotation of connector in the angular adjusted position, and automatically reset after angular relationship adjustment.Using earthing switch operation handle of the invention, operator is aloowed to carry out rotation driving in any suitable operating position butt joint, even in narrow environment, this greatly meets the ergonomic demands of earthing switch operation handle.
Description
Technical field
The present invention relates to high pressure field of switch equipment, more particularly to one kind to be used for the operational grounding in high-tension switch gear
The handle of switch.
Background technique
In the operating process of conventional senior middle school's voltage switching station such as Medium Voltage Switchgear, operator would generally use ground connection
Switch operation handle carrys out the combined floodgate and separating brake of operational grounding switch.Known operation handle is, for example, Chinese utility model patent
Operation handle disclosed in CN204809067U.As shown in above patent document, operation handle includes each other in first jiao
The first bar and the second bar of the single piece of degree.The first end of first bar has at least two grooves in the axial direction,
And the annular recess that first bar in the end section of two grooves there is cross-sectional diameter to be less than first boom end.
Protrusion in switchgear can cooperate with described two grooves and the annular recess, enable the handle apparatus
Enough it is inserted into or extracts out the handle hole and operate on it.
It finds in actual use, for the reason of guarantee operational safety, usually requires that operator in horizontal position
When insertion operation handle, operation handle and earthing switch foundation be stably connected with after clockwise operation rotation 180 °, then exist again
Operation handle is extracted when horizontal position, to make handle in horizontal position point, close earthing switch.Following inconvenience is brought in this way: behaviour
Make that personnel are inconvenient, especially in narrow operating environment, which is unfavorable for not allowing even operation handle can be
It is rotated within the scope of 180 °.In other words, the design of existing operation handle and ergonomics is not met.
Therefore, exist in industry and improve at least one of above-mentioned deficiency of earthing switch operation handle to meet convenient for behaviour
Make the demand that personnel carry out reliable operation in various operating environments.
Summary of the invention
The present invention is intended to provide a kind of various insufficient earthing switch behaviour that can at least be partially solved the above-mentioned prior art
Make handle.
According to an aspect of the present invention, a kind of earthing switch operation handle is provided comprising: manipulator's shank；Sleeve,
The sleeve has the through-hole worn for manipulator's shank in one end, and along the set on the end face of its other end
The periphery of cylinder is arranged at intervals with multiple recesses, and the sleeve also has the counterbore open towards the recess；Connector, the connector
Its towards one end of the sleeve be provided with it is being engaged with the multiple recess shape, with the transmitting when being engaged with the recess
The boss of torque, the connector is provided with the interface for engaging the earthing switch in one end far from the sleeve, described
Connector also has the centre bore open towards the sleeve；Leading axle, one end of the leading axle, which is rotatably accommodated in, to be connect
In the centre bore of head, the other end of the leading axle be accommodated in the counterbore of the sleeve and with can not relative rotation side
Formula is connected to the sleeve, the sleeve can along leading axle in its axial direction in the operating position for engaging recess with boss and
Recess and boss is released to shift between the angular adjusted position engaged, it, can be through when the sleeve is in angular adjusted position
Angle of the manipulator's shank relative to the connector is adjusted relative to the rotation of the connector by the sleeve；Reset bullet
Spring, the reset spring are configured to the sleeve being reset to the operating position from the angular adjusted position.
Compared with prior art, the connector of earthing switch operation handle according to the present invention is that can extract relative to sleeve
's.In other words, when the connector of the operation handle is in conjunction with the switch in switchgear, by sleeve from its operating position along axial
Its angular adjusted position is displaced to realize the extraction of connector, and allow rotation of the sleeve relative to connector in the angular adjusted position
Turn to change angular relationship between the two, and automatically reset after angular relationship adjustment.It is grasped using earthing switch of the invention
Make handle, aloows operator to carry out rotation driving in any suitable operating position butt joint, even at narrow
Environment in, this greatly meets the ergonomic demands of earthing switch operation handle.
In a preferred embodiment, the leading axle is via the first pin connection to the connector, wherein connecing described
The annular groove rotated in it for the first pin is also provided in head, wherein the axial length of the annular groove is substantially equal to first pin
Axial length, to prevent the leading axle and the relative shift of the connector in the axial direction.It realizes in simple structure as a result,
Following movement between leading axle and connector: allowing freely to be pivoted relative to each other between the two but not axially displaceable.
In a preferred embodiment, the leading axle is via the second pin connection to the sleeve, in the leading axle
The first through hole worn and the second through-hole are sold for described second with also offering respectively on the sleeve, wherein the first through hole
Length in the axial direction be different from the length of second through-hole in the axial direction, with allow the sleeve along leading axle axially
Upper displacement.In further preferred embodiment, the leading axle is also spaced apart via with second pin in the axial direction
Third pin connection also offers the worn for the third pin to the sleeve respectively on the leading axle and the sleeve
Three through-holes and fourth hole, wherein the length of the third through-hole in the axial direction is different from the length of the fourth hole in the axial direction
Degree, to allow the sleeve to shift in its axial direction along leading axle.Allow sleeve from its operating position in simple structure as a result,
The axially displaced extraction that connector is realized to its angular adjusted position, so the angular adjusted position allow sleeve relative to
The rotation of connector is to change angular relationship between the two.
In one preferred embodiment, the reset spring is to be folded between second pin and the third pin
Spring, one end of the spring is connected to second pin, and the other end of the spring is connected to the third pin, and described
Spring is configured to pull the sleeve to operating position.Thus realize in simple structure connector relative to sleeve from
It is dynamic to reset.
In one preferred embodiment, the sleeve is additionally provided with the direction of insertion transverse to manipulator's shank through setting
Pin hole setting, for accommodating holding pin, wherein the holding pin is configured to the operation handle removably
Bar is connected to the sleeve.Thus realizing operator in simple structure can be opened with a variety of different angles to operate the ground connection
Close operation handle.
It is obvious upon reading this disclosure that a part of other features and advantages of the present invention will be those skilled in the art
, another part will be described in conjunction with the accompanying in specific embodiment below.
Detailed description of the invention
Hereinafter, carrying out the embodiment that the present invention will be described in detail in conjunction with attached drawing, in which:
Fig. 1 shows the perspective view of earthing switch operation handle according to the present invention, in order to show in the operation handle
Portion's structure removes some materials of operation handle；
Fig. 2 shows the sectional front views of the earthing switch operation handle in Fig. 1；
Fig. 3 show the sleeve of earthing switch operation handle according to the present invention top view and its along B-B hatching line
Cross-sectional view；
Fig. 4 shows the top view of the leading axle of earthing switch operation handle according to the present invention；
Fig. 5 shows the top view of earthing switch operation handle according to the present invention.
Reference signs list
10. 3. connector of earthing switch operation handle 1. manipulator's shank, 2. sleeve, 4. leading axle
5. 21. through-hole of reset spring, 22. recess, 23. counterbore, 24. second through-hole
25. 32. interface of fourth hole 26. pin hole, 31. boss, 33. centre bore
34. 41. first through hole of annular groove, 42. third through-hole, 61. first pin 62. second is sold
63. 64. holding pin of third pin
Specific embodiment
Description, the exemplary scheme for disclosed earthing switch operation handle that the present invention will be described in detail.Although mentioning
It is in order to which some embodiments of the present invention are presented for attached drawing, but attached drawing need not be drawn by the size of specific embodiment, and
Certain features can be amplified, remove or office is cutd open to be better shown and explain the disclosure.Part structure in attached drawing
Part can carry out according to actual needs position adjustment under the premise of not influence technique effect.Phrase " the In occurred in the description
In attached drawing " or similar term need not refer to all attached drawings or example.
Hereinafter be used to describe certain directional terminologies of attached drawing, for example, "front", "rear", "inner", "outside", " on
Side ", " lower section " and other directional terminologies, it will accordingly be understood that for its normal meaning and criticize it is normal see attached drawing when it is related
Those directions.Except as otherwise indicating, directional terminology described in this specification is substantially according to routine understood by one of ordinary skill in the art
Direction.
Term " first " used in the present invention, " second " and its similar terms, are not offered as any in the present invention
Sequentially, quantity or importance, but for distinguishing a component with other components.
Earthing switch operation handle 10 according to the present invention is shown in figs. 1-5, is different from the prior art one
Part formula operation handle comprising: manipulator's shank 1, the handlebar for example can be used to grasp by common steel pipe or ripping bar
Make personnel and applies torque to earthing switch operation handle；Sleeve 2, wherein the sleeve has in one end and wears for manipulator's shank
If through-hole 21, as described in Figure 3, in the center position of the through-hole 21, the direction of insertion transverse to manipulator's shank 10 with
The mode of the sleeve 2 is provided with pin hole 26, after manipulator's shank 1 is inserted into the through-hole 21, by into the pin hole 26
Holding pin 64 as shown in Figure 1 is plugged, so that manipulator's shank 1 is removably connected to sleeve 2.When stopping
When only using the earthing switch operation handle 10, the holding pin can be extracted out, so as to tear down operations handlebar 1 and sleeve 2
In order to store.
As shown in Figure 1, the sleeve 2 is arranged at intervals with multiple recesses along the periphery of the sleeve 2 on the end face of its other end
22.Preferably, these recesses 22 are on the outer periphery with identical angle uniform intervals arrangement；Further, as shown in figure 3, the sleeve
Also with the counterbore 23 open towards these recesses 22.Further, which it is logical to be arranged at intervals with second along its axial direction
Hole 24 and fourth hole 25, wherein the second through-hole 24 and the length of fourth hole 25 in the axial direction are different, it is non-as one
Limited example, wherein the length of second through-hole 24 is less than the length of fourth hole 25 in the axial direction.
Operation handle 10 further includes the connector 3 for being configured to be engaged with earthing switch.As shown in figure 5, the connector 3 exists
Its towards one end of sleeve 2 be provided with it is being engaged with multiple 22 shapes of recess, with when being engaged with recess 22 transmit torque it is convex
Platform 31, the preferably recess 22 are identical as the quantity of the boss 31 and the two corresponds.It is of course also possible to understand to obtain, this is convex
The quantity of platform 31 can be less than the quantity of the recess with the relationship of multiple, be realized with being matched with different recesses via boss 31
Different angular relationships of the connector relative to sleeve.Further as shown in Figure 1, the connector 3 is provided in one end far from sleeve 2
For engaging the interface 32 of earthing switch (being not shown here), wherein the Internal periphery of the interface 32 is configured to and earthing switch
Outer profile is adapted, and connector 3 is also with the centre bore 33 open towards sleeve 2.Further, as illustrated in fig. 1 and 2, on the connector 3
Equipped with for wearing the annular groove 34 for being used as the pin hole of the first pin of positioning pin and connecting with the pin hole, the diameter of the annular groove 34 is big
In the height of the first pin to allow the first pin to rotate freely in annular groove.Preferably, the axial length of the annular groove 34 is substantially etc.
In the axial length of the first pin.
As shown in Figure 1, the operation handle 10 further includes the leading axle 4 being accommodated in the counterbore 23 and centre bore 33 of sleeve 2.
Specifically, which is rotatably accommodated in the centre bore 33 of connector 3 with one end and with the accommodating of its other end
In the counterbore 23 of the sleeve 2 and sleeve 2 can not be connected in a manner of relative rotation.In the present embodiment, by by first
Pin 61 is fed through in the first pin hole and annular groove 34 and the through-hole being provided at one end of the leading axle 4, thus via the first pin
Realizing can not fasten to relative shift leading axle 4 relative to connector 3 in the axial direction, can be further as the first pin 61
It is rotated freely in annular groove 34, this rotates freely through leading axle 4 relative to connector 3.
On this basis, in the present embodiment, via be fastened to sleeve 2 and wear the leading axle 4 the second pin 62 it is real
Existing leading axle is non-rotatable relative to sleeve 2.The first through hole worn for second pin 62 is wherein offered on leading axle 4
41, wherein the length of first through hole 41 in the axial direction is different from the length of the second through-hole 24 in the axial direction.Whereby, in leading axle
4 counterbores 23 being inserted into sleeve 2 and after being inserted with the second pin 62, may be implemented between sleeve 2 and leading axle 4 can not opposite rotation
Turn.Meanwhile due to the difference in length of first through hole 41 and the second through-hole 24 in the axial direction, so that leading axle 4 is relative to sleeve 2
With the activity space shifted in the axial direction, the length of the activity space in the axial direction is equal to the first through hole 41 and the second through-hole
24 axial length is poor.Via the displacement of sleeve in the axial direction, sleeve 2 is enabled to make recess in its axial direction along leading axle 4
It is shifted between 22 operating positions engaged with boss 31 and the angular adjusted position for engaging recess 22 with the releasing of boss 31.The angle
Degree adjusting position refers to that recess 22 can avoid boss 31 and be detached from the position to contact with each other, this to be in the angle when sleeve 2
When spending adjusting position, angle of the manipulator's shank 1 relative to the connector 3 can be adjusted relative to the rotation of the connector 3 via sleeve 2
Degree, so that operator be allowed to operate the earthing switch operation handle in a user-friendly manner.
It, can also be via being fastened to leading axle 4 and wear the third pin 63 of the leading axle 4 as further preferred mode
To realize that leading axle 4 is non-rotatable relative to sleeve 2.The third through-hole worn for the third pin 63 is offered on leading axle 4
42, wherein the length of third through-hole 42 in the axial direction is different from the length of fourth hole 25 in the axial direction.In this embodiment,
The length of the fourth hole 25 is greater than the length of the third through-hole 32 in the axial direction.Whereby, it is inserted into sleeve 2 in leading axle 4
Counterbore 23 and after being inserted with third pin 63, may be implemented between sleeve 2 and leading axle 4 can not relative rotation.Meanwhile due to
The difference in length of third through-hole 42 and fourth hole 25 in the axial direction is moved in the axial direction so that leading axle 4 has relative to sleeve 2
The activity space of position.Via the displacement of sleeve in the axial direction, sleeve 2 is enabled to make recess 22 in its axial direction along leading axle 4
It is shifted between the operating position engaged with boss 31 and the angular adjusted position for engaging recess 22 with the releasing of boss 31, to permit
Perhaps operator operates the earthing switch operation handle in a user-friendly manner.
It should be pointed out that although showing while being provided with by 24 groups of first through hole 41 and the second through-hole in embodiment
At first pair of through-hole and second pair of through-hole being made of third through-hole 42 and fourth hole 25, but those skilled in the art's energy
Enough, it is realized that first and second pairs of through-holes must not necessarily be arranged simultaneously, because this is not to realize sleeve 2 relative to leading axle
Necessary to 4 axially displaceable property.Those skilled in the art will appreciate that as long as can between leading axle 4 and sleeve 2 shape
The axially displaced of sleeve 2 can be realized at the activity space in axial direction.
As shown in Figs. 1-2, which further includes being configured to the sleeve 2 from above-mentioned angular adjustment
Position is reset to the reset spring 5 of operating position.Specifically, which, which can be, is folded in above-mentioned second pin, 62 He
Spring 5 between third pin 63, wherein one end of the spring is connected to second pin 62 and is connected to third pin with its other end
63, wherein the spring 5 applies the pulling force for making the two bringing together in axial direction to the second pin 62 and third pin 63, to have worked as sleeve 2
The sleeve 2 is pulled into back operating position after relative to 4 axis upward displacement of leading axle.
Next Fig. 1-2 will be combined to carry out in detail the application method of earthing switch operation handle 10 according to the present invention
Description.
When needing the earthing switch of Operation switch cabinet in such as narrow space, operator can be first by ground connection
Switch knob 10 is bonded to earthing switch with the interface of its connector 3.When operator rotates the connector 3 by manipulator's shank 1
After certain angle, if encounter for example interference or inconvenient situation, it is desirable to change manipulator's shank 1 relative to connector 3 it
Between work angle relationship, with for example avoid it is unnecessary interference or convenient for operator operate.For this purpose, operator can be with
Firmly it is pulled outwardly earthing switch handle 10.Since there are engagement relationship, outer drawing earthing switch hands with earthing switch for the interface of connector 3
Handle 10 will make connector 3 relative to sleeve 2 extract, i.e., via sleeve 2 relative to leading axle it is axially displaced come make sleeve 2 move
Moving makes the recess 22 of sleeve 2 release the angular adjusted position engaged with the boss 31 of connector 3.In the process, on the one hand, draw
Guide shaft 4 can't be displaced in the axial direction with connector 3, this is that leading axle 4 is fastened to connector 3 by the first pin 61 to be realized
's.On the other hand, due to existing between sleeve 2 and leading axle 4 by first through hole 41 and the second through-hole 24 and/or third through-hole 42
With axial direction activity space brought by fourth hole 25 so that sleeve 2 is shifted in the axial direction and is being shifted relative to leading axle 4
Reset spring is stretched in the process.The boss 31 of connector 3 is set to release engagement when sleeve 2 is displaced in the axial direction relative to leading axle 4
Angular adjusted position after, operator can by make sleeve 2 drive leading axle 4 rotate together change sleeve 2 relative to
Angular relationship of the angular relationship and then change handlebar 1 of connector 3 relative to connector 3.That is, this sleeve 2 is relative to connector 3
Rotation be via leading axle 4 relative to connector 3 rotate freely and leading axle 4 and sleeve 2 with transferring realization.When by sleeve
After 2 turn to proper angle relative to connector 3, operator's release handle bar 1, so that the work of sleeve 2 and connector 3 in spring 5
With lower reset, i.e. the boss 31 of the recess 22 of sleeve 2 and connector 3 restores engagement, so that handlebar 1 be allowed to exist relative to connector 3
The connector 3 is driven in angular relationship after change.It can be seen that it is according to the present invention by sleeve 2 from its operating position along axis
The extraction of connector 3 is realized to its angular adjusted position is displaced to, and allows sleeve relative to connector in the angular adjusted position
Rotation to change angular relationship between the two, and automatically reset after angular relationship adjustment.It is opened using ground connection of the invention
Operation handle 10 is closed, operator is aloowed to carry out rotation driving in any suitable operating position butt joint, even if place
In narrow environment, this greatly meets the ergonomic demands of earthing switch operation handle.
Although not each embodiment only includes one it should be appreciated that this specification describes according to various embodiments
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the embodiments also may be combined bright book, formed it will be appreciated by those skilled in the art that
Other embodiment.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.Not
Under the premise of being detached from conceptions and principles of the invention, equivalent variations, modification and the combination that those skilled in the art can make should all
Belong to the scope of protection of the invention.
Claims (6)
1. a kind of earthing switch operation handle characterized by comprising
Manipulator's shank；
Sleeve, the sleeve have the through-hole for supplying manipulator's shank to wear and on the end face of the other end along described at one end
The periphery of sleeve is equipped at intervals with multiple recesses, and the sleeve also has the counterbore open towards the recess；
Connector, the connector its towards one end of the sleeve be equipped with the multiple recess shape cooperate with it is described recessed
The boss of torque is transmitted when mouth engagement, the connector is equipped in one end far from the sleeve for engaging the earthing switch
Interface, the connector also have the centre bore open towards the sleeve；
Leading axle, one end of the leading axle are rotatably accommodated in the centre bore of the connector, the leading axle
The other end is accommodated in the counterbore of the sleeve and can not be connected to the sleeve, sleeve energy edge in a manner of relative rotation
The leading axle in the operating position for cooperating recess and boss and makes recess and boss release the angle tune of cooperation in its axial direction
Section shifts between setting, thus can be via the sleeve relative to the connector when the sleeve is in angular adjusted position
Rotation is to adjust angle of the manipulator's shank relative to the connector；
Reset spring, the reset spring are configured to the sleeve being reset to the operative position from the angular adjusted position
It sets.
2. operation handle according to claim 1, characterized in that the leading axle connects via the first pin connection to described
Head, wherein be also provided in the connector for the first annular groove for rotating in it of pin, the axial length of the annular groove is substantially etc.
In the axial length of first pin, to prevent the leading axle and the connector relative shift in the axial direction.
3. operation handle according to claim 2, characterized in that the leading axle is via the second pin connection to the set
Cylinder also offers the first through hole worn for second pin and the second through-hole respectively on the leading axle and the sleeve,
Wherein the axial length of the first through hole is different from the axial length of second through-hole, to allow the sleeve along leading axle
It is axially displaced.
4. operation handle according to claim 3, characterized in that the leading axle is also sold via with described second in axial direction
Upper third pin connection spaced apart also offers on the leading axle and the sleeve for the third respectively to the sleeve
The third through-hole and fourth hole worn is sold, wherein the axial length of the third through-hole is different from the axial direction of the fourth hole
Length, to allow the sleeve axially displaced along leading axle.
5. operation handle according to claim 4, characterized in that the reset spring for be folded in it is described second pin and institute
The spring between third pin is stated, one end of the spring is connected to second pin, and the other end of the spring is connected to described
Third pin, and the spring is configured to pull the sleeve to operating position.
6. operation handle according to any one of claim 1 to 5, characterized in that the sleeve is additionally provided with transverse to this
The direction of insertion of manipulator's shank through setting, pin hole for accommodating holding pin, wherein the holding pin be configured to
Manipulator's shank is connected to the sleeve by removably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460767.0A CN110491692B (en) | 2018-05-14 | 2018-05-14 | Operating handle of grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460767.0A CN110491692B (en) | 2018-05-14 | 2018-05-14 | Operating handle of grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110491692A true CN110491692A (en) | 2019-11-22 |
| CN110491692B CN110491692B (en) | 2022-02-08 |
Family
ID=68545109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810460767.0A Active CN110491692B (en) | 2018-05-14 | 2018-05-14 | Operating handle of grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110491692B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3320061A1 (en) * | 1983-06-03 | 1984-12-06 | Wilhelm May GmbH, 5620 Velbert | Turn-and-tilt fitting |
| EP0549397A1 (en) * | 1991-12-23 | 1993-06-30 | Robinetterie, S.F.R., S.A. | Safety valve |
| US20090173611A1 (en) * | 2007-12-17 | 2009-07-09 | Areva T&D Ag | Compact operating mechanism for medium and high voltage switchgear |
| CN203247046U (en) * | 2013-05-13 | 2013-10-23 | 奉化市飞宇电器制造有限公司 | Operating handle of wheel type jack |
| CN204809067U (en) * | 2015-06-12 | 2015-11-25 | 上海西门子开关有限公司 | Cubical switchboard and operating handle interlocking device thereof |
| CN204876822U (en) * | 2014-03-25 | 2015-12-16 | 霍帕股份公司 | Operating grip |
| CN206349257U (en) * | 2017-01-12 | 2017-07-21 | 国网安徽省电力公司芜湖供电公司 | A kind of telescopic operation handle for switch cubicle |
| CN206574614U (en) * | 2017-03-28 | 2017-10-20 | 河南森源电气股份有限公司 | Switch operating mechanism and the switchgear using the mechanism |
-
2018
- 2018-05-14 CN CN201810460767.0A patent/CN110491692B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3320061A1 (en) * | 1983-06-03 | 1984-12-06 | Wilhelm May GmbH, 5620 Velbert | Turn-and-tilt fitting |
| EP0549397A1 (en) * | 1991-12-23 | 1993-06-30 | Robinetterie, S.F.R., S.A. | Safety valve |
| US20090173611A1 (en) * | 2007-12-17 | 2009-07-09 | Areva T&D Ag | Compact operating mechanism for medium and high voltage switchgear |
| CN203247046U (en) * | 2013-05-13 | 2013-10-23 | 奉化市飞宇电器制造有限公司 | Operating handle of wheel type jack |
| CN204876822U (en) * | 2014-03-25 | 2015-12-16 | 霍帕股份公司 | Operating grip |
| CN204809067U (en) * | 2015-06-12 | 2015-11-25 | 上海西门子开关有限公司 | Cubical switchboard and operating handle interlocking device thereof |
| CN206349257U (en) * | 2017-01-12 | 2017-07-21 | 国网安徽省电力公司芜湖供电公司 | A kind of telescopic operation handle for switch cubicle |
| CN206574614U (en) * | 2017-03-28 | 2017-10-20 | 河南森源电气股份有限公司 | Switch operating mechanism and the switchgear using the mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110491692B (en) | 2022-02-08 |
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