CN203799769U - Sleeve pipe sealing device applied to electric power field - Google Patents
Sleeve pipe sealing device applied to electric power field Download PDFInfo
- Publication number
- CN203799769U CN203799769U CN201420160981.1U CN201420160981U CN203799769U CN 203799769 U CN203799769 U CN 203799769U CN 201420160981 U CN201420160981 U CN 201420160981U CN 203799769 U CN203799769 U CN 203799769U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- sealing device
- bell
- pipe sealing
- main body
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 5
- 239000010951 brass Substances 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000007373 indentation Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 15
- 230000005684 electric field Effects 0.000 abstract description 11
- 230000007812 deficiency Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012212 insulator Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a sleeve pipe sealing device applied to the electric power field. The sleeve pipe sealing device mainly comprises a bell-shape main body formed by an inner semi-conductive layer, an insulation layer and an outer semi-conductive layer which are arranged from inside out in sequence. The inner semi-conductive layer is arranged at the bottom of the bell-shape main body; the outer wall at the opening of the bell-shape main body is flush with the insulation layer and the outer semi-conductive layer; and the insulation layer at the opening of the bell-shape main body is in an externally-thin and internally-thick step shape. The sleeve pipe sealing device further comprises a conductive rod which is in T shape. The head portion of the T-shape rod is embedded in the inner semi-conductive layer; the conductive rod is made of brass and is provided with a thread, so that the deficiencies of the prior art are overcome; and the thread structure of the conductive rod is utilized to be in threaded connection with the inner portion of an electrified sleeve pipe, and the conductive rod is utilized to balance the electric field formed between the electrified sleeve pipe and the inner wall of an insulation cap, thereby preventing the whole insulation effect from being weakened due to unbalanced electric field, and preventing the safety accident from happening.
Description
Technical field
The utility model relates to power domain, specifically, is a kind of sleeve pipe sealing device that is applied to power domain.
Background technology
In box type transformer equipment, be reserved with the band electric bushing of lead-out wire and be not with electric bushing, often outside exposed, if do not carried out effective insulated enclosure, dustproof, moistureproof words, potential potential safety hazard will be there is, for stopping the generation of this kind of potential safety hazard, will band electric bushing be carried out to seal protection with insulator cap, existing insulator cap is owing to adopting straight barrel type structure, make inconvenience when installing and using, and be prone to deformed damaged, when serious, affect the safety of whole equipment, and carrying out inside owing to being set to polished rod structure, be not provided with the structure matching with internal surface of sleeve pipe screw thread, although very convenient when plug, but owing to existing conductive gap to make internal electric field unstable, to leave potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of sleeve pipe sealing device that is applied to power domain, overcome the deficiencies in the prior art part, adopt bell main body, and thin interior thick step structure outside opening part adopts, to facilitate installing and using of total, utilize the helicitic texture on conducting rod to be threaded with charged inside pipe casing, and utilize conducting rod to carry out formed electric field between balancing band electric bushing and this insulator cap inwall, to avoid, because of the imbalance of electric field, whole insulation effect is weakened, thereby avoid the generation of security incident, total has simple in structure, safe and practical characteristic.
The utility model is achieved through the following technical solutions: a kind of sleeve pipe sealing device that is applied to power domain, the main bell main body being comprised of the interior semi-conductive layer, insulating barrier, the outer semiconducting layer that arrange from inside to outside forms, described interior semi-conductive layer is positioned at bell bottom part body, at insulating barrier and outer semiconducting layer described in the outer wall at bell body openings place, flush, it is outer thin interior thick stepped that the described insulating barrier at bell body openings place is; Also comprise conducting rod, described conducting rod is T-shaped shape, and T prefix portion is embedded in interior semi-conductive layer, and described conducting rod adopts brass, and on it, is also provided with screw thread.
For better realizing the utility model, in the insulating layer thickness portion described in the inwall of bell main body, be provided with anti-skidding projection, described anti-skidding protruding indentation.
For better realizing the utility model, on described outer semiconducting layer, be also provided with ground hole.
For better realizing the utility model, also comprise bolt, described bolt-through insulating barrier and outer semiconducting layer.
For better realizing the utility model, described bolt adopts insulated bolt and is at least symmetrically arranged with one group.
For better realizing the utility model, the outer semiconducting layer inwall that goes out position at the clock rostellum of described bell main body is provided with suspension ring, and described suspension ring adopt carbon steel material.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model overcomes the deficiencies in the prior art part, adopt bell main body, and thin interior thick step structure outside opening part adopts, to facilitate installing and using of total, utilize the helicitic texture on conducting rod to be threaded with charged inside pipe casing, and utilize conducting rod to carry out formed electric field between balancing band electric bushing and this insulator cap inwall, to avoid, because of the imbalance of electric field, whole insulation effect is weakened, thereby avoid the generation of security incident, total has simple in structure, safe and practical characteristic.
(2) ground hole described in the utility model can be by the ground that is conductively connected between wire and ground, thereby guarantee that on insulator cap, non-transformer is detained, and has effectively guaranteed integral insulation safety.
(3) anti-skidding projection described in the utility model increases with the coefficient of friction between electric bushing and this structure, and then in use can effectively carry out between the two fastening, make it be difficult for coming off from band electric bushing, be set to zigzag simultaneously, utilize the ductility at sawtooth top to reach with the level and smooth contact between electric bushing, avoid uneven integral insulation performance and the aesthetic of affecting.
(4) the utility model is provided with for carrying out fastening bolt, with reach after installation, carry out effectively fastening, make there will not be distortion come off, play the object of effective insulation.
(5) the utility model utilizes the suspension ring of carbon steel material can strengthen the torsional forces of Zhong Ding, makes to avoid the excessive situation of damaging bell main body due to moment of torsion to occur when installing.
(6) the utility model can play in use effectively band electric bushing is insulated, and can be to not being with electric bushing to carry out protection against the tide and dustproof.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Wherein: 1-outer semiconducting layer, 2-insulating barrier, semi-conductive layer in 3-, the anti-skidding projection of 4-, 5-ground hole, 6-conducting rod, 7-bolt, 8-screw thread, 9-suspension ring.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment:
A kind of sleeve pipe sealing device that is applied to power domain, as shown in Figure 1, the main bell main body being comprised of the interior semi-conductive layer 3 arranging from inside to outside, insulating barrier 2, outer semiconducting layer 1 forms, described interior semi-conductive layer 3 is positioned at bell bottom part body, at the insulating barrier 2 described in the outer wall at bell body openings place and outer semiconducting layer 1, flush, it is outer thin interior thick stepped that the described insulating barrier 2 at bell body openings place is; Also comprise conducting rod 6, described conducting rod 6 is T-shaped shape, and T prefix portion is embedded in interior semi-conductive layer 3, and described conducting rod 6 adopts brass, and on it, is also provided with screw thread 8.
In use, bell main body is set on sleeve pipe, because its opening part is set to outer thin interior thick structure, make to be sleeved on very easily on band electric bushing, and carry out turn, the conducting rod of brass can effectively be coincide with sleeve pipe, overcome the deficiencies in the prior art part, adopt bell main body, and thin interior thick step structure outside opening part adopts, to facilitate installing and using of total, utilize the helicitic texture on conducting rod to be threaded with charged inside pipe casing, and utilize conducting rod to carry out formed electric field between balancing band electric bushing and this insulator cap inwall, to avoid, because of the imbalance of electric field, whole insulation effect is weakened, thereby avoid the generation of security incident, total has simple in structure, safe and practical characteristic.
For better realizing the utility model, as shown in Figure 1, in the thick portion of insulating barrier 2 described in the inwall of bell main body, be provided with anti-skidding protruding 4, described anti-skidding protruding 4 indentations, anti-skidding projection increases with the coefficient of friction between electric bushing and this structure, and then in use can effectively carry out between the two fastening, make it be difficult for coming off from band electric bushing, be set to zigzag simultaneously, utilize the ductility at sawtooth top to reach with the level and smooth contact between electric bushing, avoid uneven integral insulation performance and the aesthetic of affecting.
For better realizing the utility model, as shown in Figure 1, be also provided with ground hole 5 on described outer semiconducting layer 1, ground hole can be by the ground that is conductively connected between wire and ground, thereby on assurance insulator cap, non-transformer is detained, and has effectively guaranteed integral insulation safety.
For better realizing the utility model, as shown in Figure 1, also comprise bolt 7, described bolt 7 runs through insulating barrier 2 and outer semiconducting layer 1, after fixing by swivel bolt with reach after installation, carry out effectively fastening, make there will not be distortion come off, play the object of effective insulation.
For better realizing the utility model, as shown in Figure 1, described bolt 7 adopts insulated bolt and is at least symmetrically arranged with one group.Utilize that symmetrically arranged insulated bolt can balance by this structure structure on band electric bushing.
For better realizing the utility model, as shown in Figure 1, outer semiconducting layer 1 inwall that goes out position at the clock rostellum of described bell main body is provided with suspension ring 9, described suspension ring 9 adopt carbon steel material, utilize the suspension ring of carbon steel material can strengthen the torsional forces of Zhong Ding, make to avoid the excessive situation of damaging bell main body due to moment of torsion to occur when installing.
The utility model overcomes the deficiencies in the prior art part, adopt bell main body, and thin interior thick step structure outside opening part adopts, to facilitate installing and using of total, utilize the helicitic texture on conducting rod to be threaded with charged inside pipe casing, and utilize conducting rod to carry out formed electric field between balancing band electric bushing and this insulator cap inwall, to avoid, because of the imbalance of electric field, whole insulation effect is weakened, thereby avoid the generation of security incident, total has simple in structure, safe and practical characteristic.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection range of the present utility model.
Claims (6)
1. a sleeve pipe sealing device that is applied to power domain, it is characterized in that: the bell main body being mainly comprised of the interior semi-conductive layer (3) arranging from inside to outside, insulating barrier (2), outer semiconducting layer (1) forms, described interior semi-conductive layer (3) is positioned at bell bottom part body, at the insulating barrier (2) described in the outer wall at bell body openings place and outer semiconducting layer (1), flush, it is outer thin interior thick stepped that the described insulating barrier (2) at bell body openings place is; Also comprise conducting rod (6), described conducting rod (6) is T-shaped shape, and T prefix portion is embedded in interior semi-conductive layer (3), and described conducting rod (6) adopts brass, and on it, is also provided with screw thread (8).
2. a kind of sleeve pipe sealing device that is applied to power domain according to claim 1, is characterized in that: in the thick portion of insulating barrier (2) described in the inwall of bell main body, be provided with anti-skidding projection (4), described anti-skidding projection (4) indentation.
3. a kind of sleeve pipe sealing device that is applied to power domain according to claim 1, is characterized in that: on described outer semiconducting layer (1), be also provided with ground hole (5).
4. a kind of sleeve pipe sealing device that is applied to power domain according to claim 1, is characterized in that: also comprise bolt (7), described bolt (7) runs through insulating barrier (2) and outer semiconducting layer (1).
5. a kind of sleeve pipe sealing device that is applied to power domain according to claim 4, is characterized in that: described bolt (7) adopts insulated bolt and is at least symmetrically arranged with one group.
6. according to a kind of sleeve pipe sealing device that is applied to power domain described in claim 1-5 any one, it is characterized in that: outer semiconducting layer (1) inwall that goes out position at the clock rostellum of described bell main body is provided with suspension ring (9), described suspension ring (9) adopt carbon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160981.1U CN203799769U (en) | 2014-04-03 | 2014-04-03 | Sleeve pipe sealing device applied to electric power field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160981.1U CN203799769U (en) | 2014-04-03 | 2014-04-03 | Sleeve pipe sealing device applied to electric power field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799769U true CN203799769U (en) | 2014-08-27 |
Family
ID=51381965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160981.1U Expired - Lifetime CN203799769U (en) | 2014-04-03 | 2014-04-03 | Sleeve pipe sealing device applied to electric power field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920604A (en) * | 2017-03-12 | 2017-07-04 | 河南鑫海电力设备有限公司 | The insulator that gold utensil is screwed |
| CN110867316A (en) * | 2019-11-27 | 2020-03-06 | 国网山东省电力公司嘉祥县供电公司 | Butt joint dustproof device of high-voltage electrical equipment of transformer substation |
| CN112700934A (en) * | 2020-12-18 | 2021-04-23 | 深圳供电局有限公司 | Insulating sealing cap structure |
-
2014
- 2014-04-03 CN CN201420160981.1U patent/CN203799769U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920604A (en) * | 2017-03-12 | 2017-07-04 | 河南鑫海电力设备有限公司 | The insulator that gold utensil is screwed |
| CN110867316A (en) * | 2019-11-27 | 2020-03-06 | 国网山东省电力公司嘉祥县供电公司 | Butt joint dustproof device of high-voltage electrical equipment of transformer substation |
| CN110867316B (en) * | 2019-11-27 | 2021-08-10 | 国网山东省电力公司嘉祥县供电公司 | Butt joint dustproof device of high-voltage electrical equipment of transformer substation |
| CN112700934A (en) * | 2020-12-18 | 2021-04-23 | 深圳供电局有限公司 | Insulating sealing cap structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |