CN109346365A - Outdoor use knife auxiliary switch shield - Google Patents
Outdoor use knife auxiliary switch shield Download PDFInfo
- Publication number
- CN109346365A CN109346365A CN201811033865.2A CN201811033865A CN109346365A CN 109346365 A CN109346365 A CN 109346365A CN 201811033865 A CN201811033865 A CN 201811033865A CN 109346365 A CN109346365 A CN 109346365A
- Authority
- CN
- China
- Prior art keywords
- auxiliary switch
- shell
- outdoor use
- retainer plate
- cable
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
Abstract
It include cylinder-like shell the invention discloses outdoor use knife auxiliary switch shield, the shell includes left outside shell and right casing, the left outside shell and right casing are connected as one by retainer plate, the interior of shell is additionally provided with cylindric insulated liner, inlet wire slot is offered along body height direction in the insulated liner, relative position is fixedly connected with auxiliary switch fixed frame on the inside of the left outside shell and right casing, insulation rubber mat is provided between the auxiliary switch fixed frame, the outer casing bottom is also equipped with the fixed device of cable seal, knife auxiliary switch is overcome to touch the earthing of casing, cable tail is scratched by shell, one kind is provided while playing protective action to auxiliary switch, avoid DC earthing, the outdoor use auxiliary switch shield of cable scuffing problem.
Description
Technical field
The present invention relates to protective devices, particularly relate to the shield of power equipment switch.
Background technique
Disconnecting link is equipment important in electric system, and in 110kV, 35kV open type substation, outdoor disconnecting link auxiliary is opened
Pass is run outside for a long time, the seal box that factory configuration is suggested, more problems in actual motion.It is primarily present: in switch operation
It will lead to seal box metalwork to touch with internal auxiliary switch, generate DC ground fault, seal box leads subjacent cable incised wound
Cause DC earthing.Outdoor use knife auxiliary switch shield can avoid straight while meeting to auxiliary switch requirement of shelter
The problem of stream ground connection.
Based on the above issues, applicant in this case develops outdoor use knife auxiliary switch shield, and the apparatus structure is simple,
It is easy to use, it is practical.
Summary of the invention
The technical problem to be solved by the present invention is to overcome knife auxiliary switchs to touch the earthing of casing, and cable tail is drawn by shell
It is broken, one kind is provided while playing protective action to auxiliary switch, avoids DC earthing, and the outdoor use that cable scratches problem is auxiliary
Help switch protecting hood.
In order to solve the above technical problems, of the invention its is structurally characterized in that including cylinder-like shell, the shell includes left outside
Shell and right casing, the left outside shell and right casing are connected as one by retainer plate, and the interior of shell is additionally provided with cylindric exhausted
Edge liner offers inlet wire slot, opposite position on the inside of the left outside shell and right casing along body height direction in the insulated liner
It sets and is fixedly connected with auxiliary switch fixed frame, insulation rubber mat, the outer casing bottom are provided between the auxiliary switch fixed frame
It is also equipped with the fixed device of cable seal.
The left outside shell and right casing side are hinged as a preferred technical solution, the side of hinged joint
Gasket is installed, the two sides that the other side is in contact are respectively equipped with the boss and groove of cooperation, between the boss and groove
Gasket is also installed, gasket guarantees to may not flow into rainwater between shell and can preferably fasten to boss and groove
Sealing.
The fixed device of the cable seal includes be fitted to the outer casing bottom upper as a preferred technical solution,
Retainer plate and lower retainer plate are equipped with the universal joint for lead-in cable, upper fixation between fixed circle and lower retainer plate
Circle and lower retainer plate can make universal joint parallelization in outer casing bottom, and be conveniently replaceable maintenance.
Upper seal is provided between the universal joint and upper retainer plate as a preferred technical solution, it is described universal
Be provided with lower seal between connector and lower retainer plate, upper seal and lower seal effectively prevent rainwater by outer casing bottom due to
Siphonage enters interior of shell, and shell is effectively prevent to corrode.
It is provided with external screw thread in the outer peripheral sidewall of fixed circle and lower retainer plate as a preferred technical solution, institute
It states outer casing bottom and is provided with the internal screw thread matched with external screw thread, be screwed simple and convenient and secured.
Universal joint includes that may be mounted at outer casing bottom with external screw thread in outer peripheral sidewall as a preferred technical solution,
Fixing layer, the fixing layer be it is cylindric and it is internal be equipped with an arc-shaped groove, the diameter of groove from the middle part of fixing layer to
Both ends gradually become smaller, and the interior ball cover matched with internal larger diameter are equipped in the groove, arc-shaped groove ensure that interior
Ball cover in rotation wherein, to cable to play the role of effective anti-folding anti-bending.
As a preferred technical solution, the top and bottom end of the interior ball cover be plane, and upper and lower end faces offer it is logical
Saturating internal ball hole is equipped with the rubber strip for sealing on the side arc surface of interior ball cover, and the interior ball cover can be in fixing layer
Sliding.
After adopting the above technical scheme, avoiding DC earthing while playing protective action to auxiliary switch, cable is scratched
The problem of occur, due to using the shell of docking, installation and replacement are more convenient without dismantling cable connection；Using exhausted
Edge liner can contact shell to avoid internal auxiliary switch and generate DC earthing；It can guarantee the work of cable using universal joint
It is dynamic, it avoids cable fault and plays good leakproofness.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
Referring to attached drawing 1, which includes cylinder-like shell, and shell includes left outside shell 1 and right casing 2,
Left outside shell 1 and 2 side of right casing are hinged, and the side of hinged joint is equipped with gasket 10, what the other side was in contact
Two sides are respectively equipped with the boss 8 of cooperation and groove 9(is not shown in the figure), gasket is also installed between boss 8 and groove 9
10, gasket 10 guarantees to may not flow into rainwater between shell and preferably can carry out fit sealing to boss and groove, left outside
The top of shell 1 and right casing 2 passes through fixed lid 3 and is connected as one, and fixed lid 3 can be fixed on ring flange for being fixedly mounted
On outrigger, interior of shell is additionally provided with cylindric insulated liner 4, the front of insulated liner 4 along body height direction offer into
Wire casing 5 facilitates and cable is put into insulated liner 4, and left outside shell 1 and 2 inside relative position of right casing are fixedly connected with auxiliary and open
Fixed frame 6 is closed, insulation rubber mat 7 is provided between auxiliary switch and auxiliary switch fixed frame 6, it is close that outer casing bottom is also equipped with cable
Device is determined in sealing, and the fixed device of cable seal includes the upper retainer plate 11 and lower retainer plate 12 for being fitted to outer casing bottom, on
The universal joint 13 for lead-in cable is equipped between retainer plate 11 and lower retainer plate 12, upper retainer plate 11 and lower retainer plate 12 can
So that universal joint parallelization is in outer casing bottom, and is conveniently replaceable maintenance, the periphery of upper retainer plate 11 and lower retainer plate 12
External screw thread is provided on side wall, outer casing bottom is provided with the internal screw thread matched with external screw thread, is screwed simple and convenient and firm
Gu being provided with upper seal 14 between universal joint 13 and upper retainer plate 11, it is arranged between universal joint 13 and lower retainer plate 12
There is lower seal 15, upper seal 14 and lower seal 15 effectively prevent rainwater outer since siphonage enters by outer casing bottom
Inside shell, and shell is effectively prevent to corrode, universal joint 13 includes that may be mounted in outer peripheral sidewall with external screw thread
The fixing layer 16 of outer casing bottom, fixing layer 16 is cylindric and inside is equipped with an arc-shaped groove, and the diameter of groove is by fixing
16 middle part of layer gradually becomes smaller to both ends, and the interior ball cover 17 matched with internal larger diameter, arc-shaped groove are equipped in groove
It ensure that interior ball cover 17 in rotation wherein, cable is isolated with the contact portion of shell, effectively plays to cable anti-
Anti-bending effect is rolled over, and the crust for being also possible to prevent cable is cut by shell, the top and bottom end of interior ball cover 17 are plane, and on
Lower both ends of the surface offer penetrating internal ball hole 18, and the rubber strip for sealing, interior ball cover are equipped on the side arc surface of interior ball cover
17 can slide in fixing layer 16.
Application method of the present invention:
Be inserted in interior ball cover 17 on cable first, fixing layer 16, upper retainer plate 11, lower retainer plate 12, upper seal 14 and under it is close
Then cable is accessed in auxiliary switch, insulated liner 4 is inserted in shell, left outside shell 1 and right casing 2 are opened by seal 15, will
Cable is installed by inlet wire slot 5 to insulated liner 4, auxiliary switch is placed on to the middle position of auxiliary switch fixed frame 6, then
Left outside shell 1 and right casing 2 are aligned, the fixed lid 3 in top is fixed, and then by upper retainer plate 11, upper seal 14 is fixed
Layer 16, lower seal 15, lower retainer plate 12, which is successively spirally connected, is mounted on outer casing bottom, and finally interior ball cover 17 is pushed into fixing layer 16
Groove in.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of outdoor use knife auxiliary switch shield, it is characterised in that: including cylinder-like shell, the shell includes left outside
Shell (1) and right casing (2), the left outside shell (1) and right casing (2) are connected as one by fixed lid (3), the interior of shell
It is additionally provided with cylindric insulated liner (4), offers inlet wire slot (5), the left side along body height direction on the insulated liner (4)
Relative position is fixedly connected with auxiliary switch fixed frame (6) on the inside of shell (1) and right casing (2), the auxiliary switch fixed frame
(6) insulation rubber mat (7) is provided between, the outer casing bottom is also equipped with the fixed device of cable seal.
2. outdoor use knife auxiliary switch shield as described in claim 1, it is characterised in that: the left outside shell (1) and the right side
Shell (2) side is hinged, and the side of hinged joint is equipped with gasket (10), the two sides that the other side is in contact point
The boss (8) and groove (9) that She You do not cooperate, are also equipped with gasket (10) between the boss (8) and groove (9).
3. outdoor use knife auxiliary switch shield as described in claim 1, it is characterised in that: the fixed dress of the cable seal
Set upper retainer plate (11) and lower retainer plate (12) including being fitted to the outer casing bottom, fixed circle (11) and under
The universal joint (13) for lead-in cable is equipped between retainer plate (12).
4. outdoor use knife auxiliary switch shield as described in claim 1, it is characterised in that: the universal joint (13) and
It is provided with upper seal (14) between upper retainer plate (11), is provided with down between the universal joint (13) and lower retainer plate (12)
Sealing ring (15).
5. outdoor use knife auxiliary switch shield as claimed in claim 4, it is characterised in that: fixed circle (11) and
External screw thread is provided in the outer peripheral sidewall of lower retainer plate (12), the outer casing bottom is provided with the interior spiral shell matched with external screw thread
Line.
6. outdoor use knife auxiliary switch shield as claimed in claim 3, it is characterised in that: universal joint (13) includes outer
It may be mounted at the fixing layer (16) of outer casing bottom on all side walls with external screw thread, the fixing layer (16) is cylindric and internal
Equipped with an arc-shaped groove, the diameter of groove gradually becomes smaller from fixing layer (16) middle part to both ends, is equipped in the groove
The interior ball cover (17) matched with internal larger diameter.
7. outdoor use knife auxiliary switch shield as claimed in claim 6, it is characterised in that: the top of the interior ball cover (17)
End and bottom end are plane, and upper and lower end faces offer penetrating internal ball hole (18), install on the side arc surface of interior ball cover useful
In the rubber strip of sealing, the interior ball cover (17) can the sliding in fixing layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033865.2A CN109346365B (en) | 2018-09-05 | 2018-09-05 | Outdoor knife switch auxiliary switch protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033865.2A CN109346365B (en) | 2018-09-05 | 2018-09-05 | Outdoor knife switch auxiliary switch protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109346365A true CN109346365A (en) | 2019-02-15 |
| CN109346365B CN109346365B (en) | 2023-09-22 |
Family
ID=65292475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811033865.2A Active CN109346365B (en) | 2018-09-05 | 2018-09-05 | Outdoor knife switch auxiliary switch protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109346365B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308789A (en) * | 1970-10-23 | 1973-03-07 | Electric Specialty Co | Device for power cable joints and connections |
| GB1483003A (en) * | 1974-07-17 | 1977-08-17 | Reinhausen Maschf Scheubeck | Load diverter switch assembly |
| US5896783A (en) * | 1995-11-24 | 1999-04-27 | K. A. Schmersal Gmbh & Co. | Safety switch device |
| CN2821838Y (en) * | 2005-08-27 | 2006-09-27 | 胡伟 | Anti-tension type isolated knife switch |
| CN202067712U (en) * | 2010-12-03 | 2011-12-07 | 浙江正泰电器股份有限公司 | Housing of universal changeover switch |
| CN202796695U (en) * | 2012-10-15 | 2013-03-13 | 沧州供电公司 | Isolating switch protective sleeve |
| CN203721530U (en) * | 2014-02-07 | 2014-07-16 | 国家电网公司 | Capacitor bank grounding knife switch mechanism |
| CN204011218U (en) * | 2014-07-24 | 2014-12-10 | 国家电网公司 | When a kind of Substation Electric Equipment breaking-closing operating, prevent DC earthing device |
| CN204088169U (en) * | 2014-08-19 | 2015-01-07 | 厦门华电开关有限公司 | Gas insulated load switch |
| CN205508661U (en) * | 2016-04-19 | 2016-08-24 | 国网浙江省电力公司丽水供电公司 | Insulating protection casing |
| CN205621651U (en) * | 2016-05-19 | 2016-10-05 | 国网河南省电力公司南阳供电公司 | Protective cover body's isolator is protected in area |
-
2018
- 2018-09-05 CN CN201811033865.2A patent/CN109346365B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308789A (en) * | 1970-10-23 | 1973-03-07 | Electric Specialty Co | Device for power cable joints and connections |
| GB1483003A (en) * | 1974-07-17 | 1977-08-17 | Reinhausen Maschf Scheubeck | Load diverter switch assembly |
| US5896783A (en) * | 1995-11-24 | 1999-04-27 | K. A. Schmersal Gmbh & Co. | Safety switch device |
| CN2821838Y (en) * | 2005-08-27 | 2006-09-27 | 胡伟 | Anti-tension type isolated knife switch |
| CN202067712U (en) * | 2010-12-03 | 2011-12-07 | 浙江正泰电器股份有限公司 | Housing of universal changeover switch |
| CN202796695U (en) * | 2012-10-15 | 2013-03-13 | 沧州供电公司 | Isolating switch protective sleeve |
| CN203721530U (en) * | 2014-02-07 | 2014-07-16 | 国家电网公司 | Capacitor bank grounding knife switch mechanism |
| CN204011218U (en) * | 2014-07-24 | 2014-12-10 | 国家电网公司 | When a kind of Substation Electric Equipment breaking-closing operating, prevent DC earthing device |
| CN204088169U (en) * | 2014-08-19 | 2015-01-07 | 厦门华电开关有限公司 | Gas insulated load switch |
| CN205508661U (en) * | 2016-04-19 | 2016-08-24 | 国网浙江省电力公司丽水供电公司 | Insulating protection casing |
| CN205621651U (en) * | 2016-05-19 | 2016-10-05 | 国网河南省电力公司南阳供电公司 | Protective cover body's isolator is protected in area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109346365B (en) | 2023-09-22 |
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