CN205944998U - Low pressure cable grounding protection device - Google Patents
Low pressure cable grounding protection device Download PDFInfo
- Publication number
- CN205944998U CN205944998U CN201620822747.XU CN201620822747U CN205944998U CN 205944998 U CN205944998 U CN 205944998U CN 201620822747 U CN201620822747 U CN 201620822747U CN 205944998 U CN205944998 U CN 205944998U
- Authority
- CN
- China
- Prior art keywords
- packing element
- insulation packing
- insulating packing
- protection shell
- protecting sheathing
- 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.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims abstract description 69
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000010985 leather Substances 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 57
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Insulating Bodies (AREA)
Abstract
The utility model discloses a low pressure cable grounding protection device, including lower insulating packing element, upward insulating packing element, go up protecting sheathing and protecting sheathing down, the external side -mounting of end of insulating packing element has the fixed block down, the hasp is installed at the top of fixed block, down insulating packing element pass through the hinge with going up insulating packing element and connecting, upward the external side -mounting of end of insulating packing element has a discount, and upward insulating packing element and down insulating packing element inboard are equipped with the flexible glue leather washer, and upward protecting sheathing has been cup jointed in the outside of insulating packing element, and protecting sheathing has been cup jointed down in the outside of down insulating packing element, and upward protecting sheathing's the external side -mounting of end has a ring, the movable rod is installed at the ring top, goes up insulating cement bobbin top portion and installs the dead lever, and the base is installed to lower protecting sheathing's bottom. The utility model discloses, two parts about packing element and the protecting sheathing of will insulating divides into couple together upper and lower two parts through the hinge, and the rethread sets up the hasp in its outside, makes insulating packing element and protecting sheathing can freely open the closure.
Description
Technical field
This utility model is related to cable maintenance technical field, specially a kind of low-voltage cable earth protective device.
Background technology
So-called protective grounding is exactly will be not charged under normal circumstances, and after insulant damages or possible in the case of other
Powered electric appliance metal part (i.e. the metallic moiety with electro-mechanical part phase-splitting insulation) has been reliably connected with wire and grounding body
A kind of protection mode of connection come.Ground protection is generally used for distribution transformer neutral point and is not directly grounded (three-phase three-wire system)
In electric power system, in order to ensure the voltage-to-ground producing when electrical equipment leaks electricity because of insulation damages less than safety range.
If being provided without ground protection when checking cable, when certain a part of insulation damages or a certain phase line brush up against shell, cable
Shell will be powered, and workman is just in case when touching cable jacket (framework) of this insulation damages, just have the danger of electric shock.On the contrary,
If cable has been done ground protection, short circuit current in single phase grounding will flow respectively along grounding device and this two parallel branches of human body
Cross.In general, the resistance of human body is more than 1000 Europe, and the resistance of grounding body can not be more than 4 Europe by regulation, so flowing through human body
Electric current is with regard to very little, and the electric current flowing through grounding device is very big, this reduces the danger of human electric shock after electric equipment electric leakage.
Utility model content
The purpose of this utility model is to provide a kind of low-voltage cable earth protective device, to solve in above-mentioned background technology
The problem proposing.
For achieving the above object, this utility model provides following technical scheme：A kind of low-voltage cable earth protective device, bag
Include lower insulation packing element, upper insulation packing element, upper protection shell and lower protection shell, the external side in end of described lower insulation packing element is provided with
Fixed block, the top of described fixed block is provided with hasp, and described lower insulation packing element is passed through hinge and is connected with described upper insulation packing element,
The external side in end of described upper insulation packing element is provided with discount, is provided with flexible glue leather packing inside described upper insulation packing element and lower insulation packing element
Circle, the outside of described upper insulation packing element is socketed with protection shell, and the outside of described lower insulation packing element is socketed with lower protection shell,
The external side in end of described upper protection shell is provided with annulus, and described annulus top is provided with motion bar, described upper insulation packing element top
Portion is provided with fix bar, and the bottom of described lower protection shell is provided with base.
Preferably, described fixed block is fixed on outside lower insulation packing element by rivet.
Preferably, it is provided with groove between described annulus and motion bar, between described motion bar and fix bar, pass through fixing spiral shell
Silk connects.
Preferably, described base adopts insulant and passes through electromagnetic isolation technical finesse.
Preferably, one layer of waterproof material is at least brushed in the outside of described upper insulation packing element and lower insulation packing element.
Compared with prior art, the beneficial effects of the utility model are：This low-voltage cable earth protective device, by will be upper
Hasp between protection shell and lower protection shell and discount separately, the hasp between upper insulation packing element and lower insulation packing element and button
Head separately, put among insulation packing element by the cable being stripped out, and closes insulation packing element and protection shell, by hasp and discount snapping
Get up, finally the motion bar passing hole channel on annulus is fixed by socket bar, turn fixed screw and ensure protection shell and insulating cement
Connection between cylinder, is provided with flexible glue leather washer inside insulation packing element, the outside of insulation packing element is at least brushed one layer of waterproof material, protected
Demonstrate,prove the airtight waterproof of device.
Brief description
Fig. 1 is this utility model structural representation.
In figure：1- discount；Insulate on 2- packing element；3- annulus；Shell is protected on 4-；5- groove；6- fix bar；7- duct；
8- motion bar；9- fixed screw；10- flexible glue leather washer；11- rivet；12- fixed block；13- base；Shell is protected under 14-；15-
Hinge；16- hasp；Insulate under 17- packing element.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, this utility model provides a kind of technical scheme：A kind of low-voltage cable earth protective device, including under
Insulation packing element 17, upper insulation packing element 2, upper protection shell 4 and lower protection shell 14, the external side in the end peace of described lower insulation packing element 17
Equipped with fixed block 12, the top of described fixed block 12 is provided with hasp 16, and it is exhausted with described that lower insulation packing element 17 passes through hinge 15
Edge packing element 2 connects, and the external side in end of upper insulation packing element 2 is provided with discount 1, sets inside upper insulation packing element 2 and lower insulation packing element 17
There is flexible glue leather washer 10, the outside of upper insulation packing element 2 is socketed with protection shell 4, and the outside of lower insulation packing element 17 is socketed with down
Protection shell 14, the external side in end of upper protection shell 4 is provided with annulus 3, and described annulus 3 top is provided with motion bar 8, upper insulation
Packing element 2 top is provided with fix bar 6, and the bottom of lower protection shell 14 is provided with base 13.
Preferably, described fixed block 12 is fixed on outside lower insulation packing element 17 by rivet 11.
Preferably, it is provided with groove 5 between described annulus 3 and motion bar 8, pass through solid between described motion bar 8 and fix bar 6
Determine screw 9 to connect.
Preferably, described base 13 adopts insulant and passes through electromagnetic isolation technical finesse.
Preferably, one layer of waterproof material is at least brushed in the outside of described upper insulation packing element 2 and lower insulation packing element 17.
Operation principle：When this utility model uses, staff will be exposed out for the cable stripping needing maintenance, then will be upper
Hasp 16 and discount 1 between protection shell 4 and lower protection shell 14 separate, between upper insulation packing element 2 and lower insulation packing element 17
Hasp 16 and discount 1 separately, the cable being stripped out is put among insulation packing element, closure insulation packing element and protection shell, will
Hasp and discount snapping get up, and finally motion bar 8 passing hole channel 7 on annulus 3 are fixed by socket bar 6, turn fixed screw 9 and protect
Connection between card protection shell and insulation packing element, is provided with flexible glue leather washer 10, the outside of insulation packing element is extremely inside insulation packing element
Brush one layer of waterproof material less it is ensured that the airtight waterproof of device.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of low-voltage cable earth protective device, including lower insulation packing element (17), upper insulation packing element (2), upper protection shell (4)
With lower protection shell (14) it is characterised in that：The external side in end of described lower insulation packing element (17) is provided with fixed block (12), described
The top of fixed block (12) is provided with hasp (16), and described lower insulation packing element (17) passes through hinge (15) and described upper insulation packing element
(2) connect, the external side in end of described upper insulation packing element (2) is provided with discount (1), described upper insulation packing element (2) and lower insulating cement
It is provided with flexible glue leather washer (10), the outside of described upper insulation packing element (2) is socketed with protection shell (4), described inside cylinder (17)
The outside of lower insulation packing element (17) is socketed with lower protection shell (14), and the external side in end of described upper protection shell (4) is provided with circle
Ring (3), described annulus (3) top is provided with motion bar (8), and described upper insulation packing element (2) top is provided with fix bar (6), institute
The bottom stating lower protection shell (14) is provided with base (13).
2. a kind of low-voltage cable earth protective device according to claim 1 it is characterised in that：Described fixed block (12) is led to
Cross rivet (11) to be fixed on outside lower insulation packing element (17).
3. a kind of low-voltage cable earth protective device according to claim 1 it is characterised in that：Described annulus (3) and work
It is provided with groove (5) between lever (8), be connected by fixed screw (9) between described motion bar (8) and fix bar (6).
4. a kind of low-voltage cable earth protective device according to claim 1 it is characterised in that：Described base (13) adopts
Insulant simultaneously passes through electromagnetic isolation technical finesse.
5. a kind of low-voltage cable earth protective device according to claim 1 it is characterised in that：Described upper insulation packing element
(2) and lower insulation packing element (17) outside at least brush one layer of waterproof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822747.XU CN205944998U (en) | 2016-07-29 | 2016-07-29 | Low pressure cable grounding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822747.XU CN205944998U (en) | 2016-07-29 | 2016-07-29 | Low pressure cable grounding protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944998U true CN205944998U (en) | 2017-02-08 |
Family
ID=57924878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822747.XU Expired - Fee Related CN205944998U (en) | 2016-07-29 | 2016-07-29 | Low pressure cable grounding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551152A (en) * | 2018-04-28 | 2018-09-18 | 广东电网有限责任公司 | A kind of cable waterproof connector |
| CN115085102A (en) * | 2022-06-02 | 2022-09-20 | 国网湖北省电力有限公司武汉市江夏区供电公司 | Low-voltage operation cable repairing construction method |
-
2016
- 2016-07-29 CN CN201620822747.XU patent/CN205944998U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551152A (en) * | 2018-04-28 | 2018-09-18 | 广东电网有限责任公司 | A kind of cable waterproof connector |
| CN108551152B (en) * | 2018-04-28 | 2023-05-26 | 广东电网有限责任公司 | Waterproof connector for cable |
| CN115085102A (en) * | 2022-06-02 | 2022-09-20 | 国网湖北省电力有限公司武汉市江夏区供电公司 | Low-voltage operation cable repairing construction method |
| CN115085102B (en) * | 2022-06-02 | 2024-08-06 | 国网湖北省电力有限公司武汉市江夏区供电公司 | Low-voltage operation cable repair treatment construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |