CN114142425A - Power cable sealing device - Google Patents
Power cable sealing device Download PDFInfo
- Publication number
- CN114142425A CN114142425A CN202111558548.4A CN202111558548A CN114142425A CN 114142425 A CN114142425 A CN 114142425A CN 202111558548 A CN202111558548 A CN 202111558548A CN 114142425 A CN114142425 A CN 114142425A
- Authority
- CN
- China
- Prior art keywords
- shell
- filling
- power cable
- sealing ring
- sealing 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention relates to a power cable sealing device, which comprises an encapsulating shell, wherein the encapsulating shell comprises: the packaging structure comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected in a hinged mode, a filling valve is arranged on the upper side of the middle part of the upper shell, extension sleeves are respectively arranged on the left side and the right side of the packaging shell, each extension sleeve comprises two fixing plates, each fixing plate is an arc-shaped plate, the fixing plates are respectively fixed on the side surfaces of the upper shell and the lower shell, threads are arranged on the outer sides of the fixing sleeves, an anti-skid layer is arranged inside the fixing sleeves, and a filling airbag is arranged inside the packaging shell; the invention has the advantages of simple structure, convenient use, simple operation, safety and durability.
Description
Technical Field
The invention belongs to the field of sealing devices, and particularly relates to a power cable sealing device.
Background
Since the electric wire and cable has been widely used in facilities and equipment used in the operation of the economic system, particularly, in a huge electric power transmission system and an information transmission system, and serves all social activities and deeply reaches every family and individual's daily life, the electric wire and cable products have reached a ubiquitous state. And the requirements of people on living level and quality of life are continuously improved, and the development of the varieties of electric wire and cable products and the increase of the production are continuously promoted.
At present, when a power cable is connected in power construction, two sections of cables need to be connected in a sealing manner, the existing connection manner is easily corroded by the external environment, the insulation strength is damaged, and the surface of a local insulation layer is damaged, the existing sealing manner is mostly insulation tape sealing, and the like, so that the cable is difficult to deal with the long-term use environment, the service life of the cable is shortened, and power failure and the like are easy to occur; therefore, it is necessary to provide a power cable sealing device which has simple structure, convenient use, simple operation, safety and durability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the power cable sealing device which is simple in structure, stable in performance, low in cost, good in stirring effect and material-saving.
The purpose of the invention is realized as follows: a power cable sealing device comprising an enclosure, said enclosure comprising: the improved packaging shell comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected in a hinged mode, a filling valve is arranged on the upper side of the middle of the upper shell, extension sleeves are respectively arranged on the left side and the right side of the packaging shell, each extension sleeve comprises two fixing plates, the fixing plates are arc-shaped plates, the fixing plates are respectively fixed on the side faces of the upper shell and the lower shell, threads are arranged on the outer sides of the extension sleeves, an anti-skid layer is arranged inside the extension sleeves, filling air bags are arranged inside the packaging shell, and bolts used for fixing are arranged at the joints of the front sides of the upper shell and the lower shell.
Further preferably, the extension sleeve is conical, the diameter of the inner side of the extension sleeve is larger than that of the outer side of the extension sleeve, and a damping anti-skid layer is arranged on the inner side of the extension sleeve.
Further preferably, a fixing nut is arranged on the outer side of the extension sleeve.
Further preferably, encapsulation shell and fill and still be provided with between the gasbag and stabilize the buckle, the inside both ends of filling the gasbag still be provided with the sealing ring respectively, the sealing ring be arc portion with one side that the gasbag of filling is close, the sealing ring keep away from one side of filling the gasbag and be the rake, arc portion can support when filling the gasbag inflation and fill the gasbag, make the gasbag produce the thrust to the outside, promote the sealing ring and slide to the outside, the sealing ring is when sliding to the outside, the rake cup joints with the extension and contacts, makes the inside mouth of sealing ring tight, improves the leakproofness to cable joint.
Preferably, the air filling bag is connected with a filling valve at the upper part, and the air filling bag is inflated by an air pump to expand the air filling bag, so that the cable joint is sealed.
Further preferably, the inner side of the thread is provided with a sealing groove, a sealing ring is arranged in the sealing groove, and the sealing ring is a nitrile rubber sealing ring.
Further preferably, the slope of sealing ring include the cardboard, cardboard and cardboard between be provided with the clearance, make the cardboard inwards buckle when extending the cover contact, improve the leakproofness.
Further preferably, a sealing layer is disposed inside the sealing ring.
The invention has the beneficial effects that: when the filling valve is inflated, the filling air bag is inflated to expand the filling air bag, the filling air bag is respectively contacted with the stabilizing buckle and the sealing ring, the outer side of the filling air bag is contacted with the stabilizing buckle, the filling air bag is continuously expanded inwards, the sealing ring is pushed to expand outwards to be contacted with the extension sleeve, and the extension sleeve is pressed and sealed towards the internal cable, so that the sealing performance of the cable joint is improved, meanwhile, the sealing layer in the sealing ring effectively improves the sealing performance of the cable joint, and the safety and the service life of the cable joint are improved; the invention has the advantages of simple structure, stable performance, low cost, good stirring effect and material saving.
Drawings
Fig. 1 is a schematic structural diagram of a power cable sealing device according to the present invention.
Fig. 2 is a front view of a power cable sealing device of the present invention.
Fig. 3 is a schematic view of the installation of the sealing ring of the power cable sealing device according to the present invention.
Fig. 4 is a schematic view of a sealing ring of a power cable sealing device according to the present invention.
Fig. 5 is a schematic view at a in fig. 1.
In the figure: 1. the packaging structure comprises a packaging shell 2, an upper shell 3, a lower shell 4, a filling valve 5, an extension sleeve 6, a fixing plate 7, threads 8, an anti-skid layer 9, a filling air bag 10, a fixing nut 11, a stabilizing buckle 12, a sealing ring 13, an arc-shaped part 14, an inclined part 15, a sealing ring 16, a sealing groove 17, a clamping plate 18, a sealing layer 19 and bolts.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-5, a power cable sealing device comprises an enclosure 1, wherein the enclosure 1 comprises: upper casing 2 and inferior valve 3, upper casing 2 and inferior valve 3 between the connected mode be articulated, the middle part upside of upper casing 2 be provided with filling valve 4, the left and right sides of encapsulation shell 1 be provided with extension cover 5 respectively, extension cover 5 include two fixed plates 6, fixed plate 6 be the arc, fixed plate 6 fix at upper casing 2 and inferior valve 3 side respectively, the outside of extension cover 5 be provided with screw thread 7, the inside of extension cover 5 be provided with skid resistant course 8, the inside of encapsulation shell 1 be provided with and fill out gasbag 9, the front side junction of upper casing 2 and inferior valve 3 be provided with and be used for fixed bolt 19.
Preferably, the extension sleeve 5 is conical, the inner diameter of the extension sleeve 5 is larger than the outer diameter of the extension sleeve, and the inner side of the extension sleeve 5 is provided with a damping anti-skid layer.
Further preferably, a fixing nut 10 is disposed outside the extension sleeve 5.
Further preferably, the packaging shell 1 and the air filling bag 9 are further provided with a stabilizing buckle 11 therebetween, two ends of the interior of the air filling bag 9 are further provided with sealing rings respectively, one side of each sealing ring close to the air filling bag 9 is an arc-shaped portion 13, one side of each sealing ring far away from the air filling bag 9 is an inclined portion 14, the arc-shaped portions can abut against the air filling bags 9 when the air filling bags 9 expand, the air filling bags 9 generate outward thrust to push the sealing rings 12 to slide to the outer side, when the sealing rings 12 slide to the outer side, the inclined portions 14 are in contact with the extension sleeve 5, the sealing rings 12 are tight at the inner side opening, and the sealing performance of the cable joint is improved.
More preferably, the filling air bag 9 is connected to a filling valve at the upper part, and the filling air bag is inflated by an air pump to expand the filling air bag 9, so as to seal the cable joint.
Further preferably, a sealing groove 16 is formed in the inner side of the thread, a sealing ring 15 is arranged in the sealing groove 16, and the sealing ring 15 is a nitrile rubber sealing ring.
Further preferably, the inclined portion of the sealing ring includes a clamping plate 17, and a gap is formed between the clamping plate 17 and the clamping plate 17, so that the clamping plate 17 is fastened inwards when the extension sleeve contacts, and the sealing performance is improved.
Further preferably, a sealing layer 18 is disposed inside the sealing ring 12.
When the cable joint is used, the filling valve 4 is used for inflating, the filling air bag 9 is inflated, so that the filling air bag 9 is rapidly expanded, the filling air bag 9 is expanded and is respectively contacted with the stable buckle 11 and the sealing ring 12, the outer side of the filling air bag is contacted with the stable buckle 11, the filling air bag 9 is continuously expanded inwards, the sealing ring 121 is pushed to expand outwards to enable the sealing ring 12 to be contacted with the extension sleeve 5 and to compress and seal an internal cable, the sealing performance of the cable joint is improved, meanwhile, the sealing layer 18 in the sealing ring 12 effectively improves the sealing performance of the cable joint, the safety of the cable joint is improved, and the service life of the cable joint is prolonged; the invention has the advantages of simple structure, stable performance, low cost, good stirring effect and material saving.
Claims (8)
1. A power cable sealing device, it includes the packaging shell, its characterized in that: the packaging shell comprises: the improved packaging shell comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected in a hinged mode, a filling valve is arranged on the upper side of the middle of the upper shell, extension sleeves are respectively arranged on the left side and the right side of the packaging shell, each extension sleeve comprises two fixing plates, the fixing plates are arc-shaped plates, the fixing plates are respectively fixed on the side faces of the upper shell and the lower shell, threads are arranged on the outer sides of the extension sleeves, an anti-skid layer is arranged inside the extension sleeves, filling air bags are arranged inside the packaging shell, and bolts used for fixing are arranged at the joints of the front sides of the upper shell and the lower shell.
2. A power cable sealing device according to claim 1, wherein: the extension sleeve is conical, the diameter of the inner side of the extension sleeve is larger than that of the outer side of the extension sleeve, and a damping anti-skid layer is arranged on the inner side of the extension sleeve.
3. A power cable sealing device according to claim 2, wherein: and a fixing nut is arranged on the outer side of the extension sleeve.
4. A power cable sealing device according to claim 1, wherein: the encapsulation shell and fill and still be provided with between the gasbag and stabilize the buckle, the inside both ends of filling the gasbag still be provided with the sealing ring respectively, the sealing ring be arc portion with one side that the gasbag of filling is close, the sealing ring one side of keeping away from the gasbag of filling be the rake, arc portion can support when the gasbag of filling expands and fill the gasbag, make the gasbag of filling produce the thrust to the outside, promote the sealing ring and slide to the outside, the sealing ring is when sliding to the outside, the rake contacts with the extension cover, make the sealing ring to the side mouth tight, improve the leakproofness to cable joint.
5. A power cable sealing device according to claim 1, wherein: the filling air bag is connected with the filling valve at the upper part, and is inflated by the air pump to expand the filling air bag so as to seal the cable joint.
6. A power cable sealing device according to claim 1, wherein: the thread inboard be provided with the seal groove, the seal groove in be provided with the sealing washer, the sealing washer be the nitrile rubber sealing washer.
7. A power cable sealing device according to claim 4, wherein: the slope of sealing ring include the cardboard, cardboard and cardboard between be provided with the clearance, make the cardboard inwards fasten when extending the cover contact, improve the leakproofness.
8. A power cable sealing device according to claim 7, wherein: and a sealing layer is arranged on the inner side of the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558548.4A CN114142425B (en) | 2021-12-20 | 2021-12-20 | Power cable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558548.4A CN114142425B (en) | 2021-12-20 | 2021-12-20 | Power cable sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114142425A true CN114142425A (en) | 2022-03-04 |
| CN114142425B CN114142425B (en) | 2023-07-25 |
Family
ID=80382857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111558548.4A Active CN114142425B (en) | 2021-12-20 | 2021-12-20 | Power cable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114142425B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231284A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Fluid reservoir for a cable span |
| CN210092843U (en) * | 2019-08-15 | 2020-02-18 | 新疆中创未来科技有限责任公司 | Hole plugging device with fixing function |
| CN213585110U (en) * | 2020-11-06 | 2021-06-29 | 杭州齐立电力科技有限公司 | Pipeline plugging device |
| CN214479321U (en) * | 2021-05-06 | 2021-10-22 | 雄县鸿太顺达塑胶制品有限公司 | MPP double-wall corrugated pipe with plug |
-
2021
- 2021-12-20 CN CN202111558548.4A patent/CN114142425B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231284A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Fluid reservoir for a cable span |
| CN101189774A (en) * | 2005-04-19 | 2008-05-28 | Utilx公司 | Fluid reservoir for a cable span |
| CN210092843U (en) * | 2019-08-15 | 2020-02-18 | 新疆中创未来科技有限责任公司 | Hole plugging device with fixing function |
| CN213585110U (en) * | 2020-11-06 | 2021-06-29 | 杭州齐立电力科技有限公司 | Pipeline plugging device |
| CN214479321U (en) * | 2021-05-06 | 2021-10-22 | 雄县鸿太顺达塑胶制品有限公司 | MPP double-wall corrugated pipe with plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114142425B (en) | 2023-07-25 |
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