CN114142425B - Power cable sealing device - Google Patents
Power cable sealing device Download PDFInfo
- Publication number
- CN114142425B CN114142425B CN202111558548.4A CN202111558548A CN114142425B CN 114142425 B CN114142425 B CN 114142425B CN 202111558548 A CN202111558548 A CN 202111558548A CN 114142425 B CN114142425 B CN 114142425B
- Authority
- CN
- China
- Prior art keywords
- sealing
- air bag
- shell
- filling air
- extension sleeve
- 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.)
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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 encapsulation shell, wherein the encapsulation shell comprises: the upper shell and the lower shell are hinged, 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, each fixing plate is an arc-shaped plate, each fixing plate is respectively fixed on the side surfaces of the upper shell and the lower shell, threads are arranged on the outer side of each fixing sleeve, an anti-slip layer is arranged in each fixing sleeve, and a filling air bag is arranged in each 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, equipment and equipment used in the operation of an economic system, particularly a huge power transmission system and an information transfer system, and serves all social activities and goes deep into daily life of every family and individual, the electric wire and cable product has reached a ubiquitous state. The development of the variety of the wire and cable products and the increase of the production amount are continuously driven by the continuous improvement of the requirements of people on the living standard and the living quality along with the stepwise jump development of the social and economic activity content from depth to breadth.
At present, when a power cable is connected in power construction, two sections of the cable are required to be connected in a sealing mode, the existing connection mode is easy to erode by the external environment, the insulation strength is damaged, the surface of a local insulation layer is damaged, the existing sealing mode is mostly insulation tape sealing and the like, the cable is difficult to cope with long-term use environment, the service life of the cable is shortened, and power faults and the like are easy to occur; therefore, it is necessary to provide a power cable sealing device that is simple in structure, convenient to use, simple to operate, safe and durable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the power cable sealing device which has the advantages of simple structure, stable performance, low cost, good stirring effect and material saving.
The purpose of the invention is realized in the following way: a power cable sealing device comprising an enclosure, said enclosure comprising: the upper shell and the lower shell are hinged, 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, each fixing plate is an arc-shaped plate, each fixing plate is respectively fixed on the side face of the upper shell and the side face of the lower shell, threads are arranged on the outer side of each extension sleeve, an anti-slip layer is arranged in each extension sleeve, a filling air bag is arranged in each packaging shell, and bolts used for fixing are arranged at the connection position of the front side of each upper shell and the front side of each lower shell.
Further preferably, the extension sleeve is conical, the inner side diameter of the extension sleeve is larger than the outer side diameter, and a damping anti-slip 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, the packaging shell and the filling air bag between still be provided with stable buckle, the inside both ends of filling air bag still be provided with the sealing ring respectively, one side that the sealing ring is close with filling air bag be arc portion, one side that the sealing ring kept away from filling air bag be tilting portion, the arc portion can support the filling air bag when filling air bag inflation, make the gasbag produce the thrust of outside, promote the sealing ring to slide outside, the sealing ring is when outside slides, tilting portion and extension cup joint, make the inboard of sealing ring tight, improve the leakproofness to cable joint.
Further preferably, the filling air bag is connected with a filling valve at the upper part, and the filling air bag is inflated by an air pump to expand the filling air bag, so that the cable joint is sealed.
Further preferably, a sealing groove is formed in the inner side of the thread, a sealing ring is arranged in the sealing groove, and the sealing ring is a nitrile rubber sealing ring.
Further preferably, the inclined part of the sealing ring comprises a clamping plate, a gap is arranged between the clamping plate and the clamping plate, so that the clamping plate is fastened inwards when the extension sleeve contacts, and the sealing performance is improved.
Further preferably, a sealing layer is arranged on the inner side of the sealing ring.
The invention has the beneficial effects that: when the filling valve is inflated, the filling air bag is inflated, so that the filling air bag is inflated, the filling air bag is respectively contacted with the stable buckle and the sealing ring, the outer side of the filling air bag is contacted with the stable buckle, the filling air bag is continuously inflated inwards, the sealing ring is pushed to expand outwards to enable the sealing ring to be contacted with the extension sleeve, the sealing ring is tightly pressed and sealed on an internal cable, the tightness of the cable joint is improved, meanwhile, the tightness of the cable joint is effectively improved by the sealing layer in the sealing ring, 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 view 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 a sealing ring installation of a 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 invention.
Fig. 5 is a schematic diagram at a in fig. 1.
In the figure: 1. the sealing device 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-slip 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 to 5, a power cable sealing device includes an enclosure 1, where the enclosure 1 includes: the upper shell 2 and the lower shell 3 are hinged, the upper side of the middle part of the upper shell 2 is provided with a filling valve 4, the left side and the right side of the packaging shell 1 are respectively provided with an extension sleeve 5, the extension sleeve 5 comprises two fixing plates 6, the fixing plates 6 are arc plates, the fixing plates 6 are respectively fixed on the side surfaces of the upper shell 2 and the lower shell 3, threads 7 are arranged on the outer side of the extension sleeve 5, an anti-slip layer 8 is arranged in the extension sleeve 5, a filling air bag 9 is arranged in the packaging shell 1, and bolts 19 used for fixing are arranged at the front side connection position of the upper shell 2 and the lower shell 3.
Further preferably, the extension sleeve 5 is tapered, the inner diameter of the extension sleeve 5 is larger than the outer diameter, and a damping anti-slip layer is arranged on the inner side of the extension sleeve 5.
Further preferably, a fixing nut 10 is arranged on the outer side of the extension sleeve 5.
Still preferably, package 1 and packing bag 9 between still be provided with stable buckle 11, packing bag 9's inside both ends still be provided with the sealing ring respectively, the sealing ring be arc portion 13 with packing bag 9 one side that is close, the sealing ring keep away from packing bag 9 one side be tilting portion 14, the arc portion can support packing bag 9 when packing bag 9 expands, make packing bag 9 produce outside thrust, promote sealing ring 12 outside slip, sealing ring 12 when outside slip, tilting portion 14 and extension sleeve 5 contact, make sealing ring 12's inside tight, improve the leakproofness to the cable joint.
It is further preferable that the filling air bag 9 is connected with 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 arranged on 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 part of the sealing ring comprises a clamping plate 17, and a gap is arranged 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, the inner side of the sealing ring 12 is provided with a sealing layer 18.
When the sealing device is used, the filling valve 4 is used for inflating the filling air bag 9, so that the filling air bag 9 is inflated rapidly, the filling air bag 9 is inflated 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 inflated 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 the sealing ring is pressed and sealed to an internal cable, the tightness of the cable joint is improved, meanwhile, the sealing layer 18 in the sealing ring 12 effectively improves the tightness 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.
Claims (5)
1. The utility model provides a power cable sealing device, it includes encapsulation shell, its characterized in that: the packaging shell comprises: the upper shell and the lower shell are hinged, 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, each fixing plate is an arc-shaped plate, each fixing plate is respectively fixed on the side surfaces of the upper shell and the lower shell, threads are arranged on the outer side of each extension sleeve, an anti-slip layer is arranged in each extension sleeve, a filling air bag is arranged in each packaging shell, and a bolt for fixing is arranged at the joint of the front side of each upper shell and the front side of each lower shell; the extension sleeve is conical, the inner side diameter of the extension sleeve is larger than the outer side diameter, and a damping anti-slip layer is arranged on the inner side of the extension sleeve; the sealing device is characterized in that a stable buckle is further arranged between the packaging shell and the filling air bag, sealing rings are further arranged at two ends of the inside of the filling air bag respectively, one side, close to the filling air bag, of the sealing rings is an arc-shaped part, one side, far away from the filling air bag, of the sealing rings is an inclined part, the arc-shaped part can prop against the filling air bag when the filling air bag expands, so that the filling air bag generates an outward thrust to push the sealing rings to slide outwards, and when the sealing rings slide outwards, the inclined part is in contact with the extension sleeve, so that the inward side of the sealing rings is tightly closed, and the tightness of a cable joint is improved; the inclined part of the sealing ring comprises a clamping plate which is fastened inwards when contacting with the extension sleeve, so that the sealing performance is improved.
2. A power cable sealing device according to claim 1, characterized in that: the outside of extension cover be provided with fixation nut.
3. A power cable sealing device according to claim 1, characterized in that: the filling air bag is connected with a filling valve at the upper part, and is inflated by the air pump to expand and seal the cable joint.
4. A power cable sealing device according to claim 1, characterized in that: 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.
5. A power cable sealing device according to claim 1, characterized in that: the inner side of the sealing ring is provided with a sealing layer.
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 CN114142425A (en) | 2022-03-04 |
| CN114142425B true 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 |
|---|---|---|---|---|
| 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 |
-
2021
- 2021-12-20 CN CN202111558548.4A patent/CN114142425B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| CN114142425A (en) | 2022-03-04 |
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