CN2658514Y - Water-proof wall casing for cable - Google Patents
Water-proof wall casing for cable Download PDFInfo
- Publication number
- CN2658514Y CN2658514Y CN 03276024 CN03276024U CN2658514Y CN 2658514 Y CN2658514 Y CN 2658514Y CN 03276024 CN03276024 CN 03276024 CN 03276024 U CN03276024 U CN 03276024U CN 2658514 Y CN2658514 Y CN 2658514Y
- Authority
- CN
- China
- Prior art keywords
- cable
- plastics
- compounded rubber
- walls
- rubber sheath
- 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
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Cable Accessories (AREA)
Abstract
The utility model relates to a waterproofing wall bushing of a cable and consists of a pre-embedded internal threaded plastic wall bushing and a composite rubber bushing. The pre-embedded internal threaded plastic wall bushing is a reverse truncated cone in an inner upper position and a columniform form at the inner lower portion. The composite rubber bushing is a columniform form on the upper portion and a reverse truncated cone at the lower portion. The composite rubber bushing is entered and clamped in the upper portion of the pre-embedded internal threaded plastic wall bushing from an upper opening of the pre-embedded internal threaded plastic wall bushing. A fastening bushing is screwed from the upper opening of the pre-embedded internal threaded plastic wall bushing. The utility model has a good waterproofing performance, a long service life and a convenient use.
Description
One, technical field
The utility model relates to a kind of electric wire sleeve pipe, is meant a kind of cable penetration water string especially.
Two, background technique
In electric power system, the cable of underground engineering (as underground substation, subway, plumbing common trench etc.) often runs into the problem that underground water is crossed the wall seepage even gushed from cable when the turnover building, cause the harm to engineering.Address this problem at present and normally adopt steel water-proof jacket or pvc pipe to be embedded in the body of wall, insert epoxy resin then and seal.But service time one is long, and epoxy resin is aging, and its adhesive property descends and produces obscission, flows out from the other end thereby water can be entered in the sleeve pipe.Chinese patent once disclosed a kind of " cable waterproof sheath " (ZL01270865.8, CN2502374Y, the day for announcing: on July 24th, 2002), it is made up of flange plate and wall-passing pipe, the cable waterproof cover is tapered to be made of two tapers, half cover, lock with antimagnetic stainless steel larynx hoop on top, and the bottom utilizes between the flange plate to connect and to compress with bolt and guarantees sealing effect.It uses is not very convenient.
Three, model utility content
Task of the present utility model is to provide a kind of cable penetration water string, and its water-proof performance is good, long service life, and it is convenient to use again.
For finishing above-mentioned task, the solution that the utility model is taked is: a kind of cable penetration water string, it has a pre-buried interior swivel nut pipe through walls of plastics and a compounded rubber sheath, the pre-buried interior swivel nut pipe inner upper through walls of these plastics is divided into reverse frustoconic, the bottom is divided into cylindrical, that this compounded rubber sheath top is divided into is cylindrical, the bottom is divided into reverse frustoconic, the compounded rubber sheath from plastics pre-buried through walls in the swivel nut pipe suitable for reading to be entrapped in plastics pre-buried swivel nut pipe inner upper divides in through walls, pre-buried the swivel nut pipe is suitable for reading in through walls is screwed into from plastics for fastening sleeve pipe.
During use, earlier the pre-buried interior swivel nut pipe through walls of plastics is passed body of wall, the pre-buried interior swivel nut pipe outer periphery through walls of plastics cement seal, be screwed into fastening sleeve pipe again after cable passed the compounded rubber sheath, tighten gradually and make the compounded rubber sheath protect cable tightly, by the overcoat tightening seal of compounded rubber sheath and cable self, need not to insert epoxy resin seals, it changed traditional sleeve of long duration the shortcoming that can come off, good, the long service life of water-proof performance not only, and use convenient.
Four, description of drawings
Fig. 1 is the use schematic representation of present embodiment.
Fig. 2 is the main pseudosection (amplification) after the pre-buried interior swivel nut pipe 4 through walls of the plastics shown in Fig. 1 turn 90 degrees clockwise.
Fig. 3 is that the master after the compounded rubber sheath 3 shown in Fig. 1 turn 90 degrees clockwise looks fragmentary cross-sectional view (amplification).
Fig. 4 is the plan view (amplification) after the fastening sleeve pipe 1 shown in Fig. 1 turn 90 degrees clockwise.
Fig. 5 is an A-A view among Fig. 4.
Fig. 6 is the plan view (amplification) after the seal washer 2 shown in Fig. 1 turn 90 degrees clockwise.
Fig. 7 is the plan view of seal washer 2 shown in Figure 6.
Among the figure: 1, fastening sleeve pipe, 2, seal washer, 3, the compounded rubber sheath, 4, plastics pre-buried through walls in the swivel nut pipe, 5, cable, 6, body of wall, 31, rigid rubber layer, 32, the soft rubber layer.
Five, embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1, a kind of cable penetration water string, it has a pre-buried interior swivel nut pipe 4 through walls of plastics and a compounded rubber sheath 3, pre-buried interior swivel nut pipe 4 inner upper through walls of these plastics are divided into reverse frustoconic, the bottom is divided into cylindrical (referring to Fig. 2), these compounded rubber sheath 3 tops are divided into cylindrical, the bottom is divided into reverse frustoconic (referring to Fig. 3), compounded rubber sheath 3 is from pre-buried interior swivel nut pipe 4 suitable for reading being entrapped in the pre-buried interior swivel nut pipe 4 inner upper branch through walls of plastics through walls of plastics, and a fastening sleeve pipe 1 (referring to Fig. 4 and Fig. 5) is from pre-buried interior swivel nut pipe 4 suitable for reading being screwed into through walls of plastics.
Referring to Fig. 3, compounded rubber sheath 3 tops are divided into rigid rubber layer 31, and the bottom is divided into soft rubber layer 32.This hierarchy helps wearing cable and the cable jacket that links closely, and improves water-proof performance.
This compounded rubber sheath 3 can have a plurality of through holes of wearing the different-diameter cable.Can enter cables with different diameters in the sleeve pipe, reduce user cost.
Referring to Fig. 1, also have seal washer 2 between compounded rubber sheath 3 and the fastening sleeve pipe 1, sealing packing ring 2 is enclosed within outside, compounded rubber sheath 3 tops.The shape of seal washer 2 is referring to Fig. 6 and Fig. 7.
Claims (4)
1, a kind of cable penetration water string, it is characterized in that: it has a pre-buried interior swivel nut pipe (4) through walls of plastics and a compounded rubber sheath (3), pre-buried interior swivel nut pipe (4) inner upper through walls of described plastics is divided into reverse frustoconic, the bottom is divided into cylindrical, described compounded rubber sheath top is divided into cylindrical, the bottom is divided into reverse frustoconic, compounded rubber sheath (3) is entrapped in pre-buried interior swivel nut pipe (4) the inner upper branch through walls of plastics from the pre-buried interior swivel nut pipe (4) through walls of plastics is suitable for reading, and a fastening sleeve pipe (1) is from pre-buried interior suitable for reading being screwed into of swivel nut pipe (4) through walls of plastics.
2, a kind of cable penetration water string according to claim 1 is characterized in that: described compounded rubber sheath (3) top is divided into rigid rubber layer (31), and the bottom is divided into soft rubber layer (32).
3, a kind of cable penetration water string according to claim 1 and 2 is characterized in that: this compounded rubber sheath (3) can have a plurality of through holes of wearing the different-diameter cable.
4, a kind of cable penetration water string according to claim 1 is characterized in that: also have seal washer (2), described seal washer (2) to be enclosed within outside, compounded rubber sheath (3) top between compounded rubber sheath (3) and the fastening sleeve pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03276024 CN2658514Y (en) | 2003-07-09 | 2003-07-09 | Water-proof wall casing for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03276024 CN2658514Y (en) | 2003-07-09 | 2003-07-09 | Water-proof wall casing for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2658514Y true CN2658514Y (en) | 2004-11-24 |
Family
ID=34331538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03276024 Expired - Lifetime CN2658514Y (en) | 2003-07-09 | 2003-07-09 | Water-proof wall casing for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2658514Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655031A (en) * | 2017-01-18 | 2017-05-10 | 威立雅环保设备江苏有限公司 | Cable insulator rubber/plastic pre-embedded part |
| CN110274706A (en) * | 2019-04-23 | 2019-09-24 | 安徽天康(集团)股份有限公司 | A kind of U-shaped wall-penetrating type thermal resistance of high sealing |
-
2003
- 2003-07-09 CN CN 03276024 patent/CN2658514Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655031A (en) * | 2017-01-18 | 2017-05-10 | 威立雅环保设备江苏有限公司 | Cable insulator rubber/plastic pre-embedded part |
| CN106655031B (en) * | 2017-01-18 | 2018-06-15 | 威立雅环保设备江苏有限公司 | A kind of cable insulation rubber and plastic built-in fitting |
| CN110274706A (en) * | 2019-04-23 | 2019-09-24 | 安徽天康(集团)股份有限公司 | A kind of U-shaped wall-penetrating type thermal resistance of high sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130709 Granted publication date: 20041124 |