CN208352933U - A kind of cable duct waterproof device of cable - Google Patents
A kind of cable duct waterproof device of cable Download PDFInfo
- Publication number
- CN208352933U CN208352933U CN201821081921.5U CN201821081921U CN208352933U CN 208352933 U CN208352933 U CN 208352933U CN 201821081921 U CN201821081921 U CN 201821081921U CN 208352933 U CN208352933 U CN 208352933U
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- China
- Prior art keywords
- seal closure
- cable
- negative pressure
- seal
- pressure box
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Links
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010019345 Heat stroke Diseases 0.000 description 2
- 208000007180 Sunstroke Diseases 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model provides a kind of cable duct waterproof device of cable, including installing main set and set on the cable installed in main set, the cable is fixed in the main set of installation by sealing filled layer, the periphery of the main set of installation is socketed with negative pressure box and seal closure, it is connected between the negative pressure box and seal closure by transfer tube, the negative pressure box is equipped with compressor far from the side of seal closure, and the negative pressure box is equipped with multiple gas bleeder valves.The utility model can effectively improve the leakproofness of cable duct cable installation, improve waterproof performance, the safety for further improving the service life of cable and using.
Description
Technical field
The utility model relates to the technical field of cable protective facility more particularly to a kind of cable duct waterproof device of cable.
Background technique
Cable duct side wall holes blocking is not tight or fire-proof mud aging falls off, and causes external ground rainwater to flow into cable duct, together
When multi-beam cable binding cable duct is entered by cable duct side wall together, due to that cannot be fully sealed between cable there are gap, in rain
Its external rainwater can flow into cable duct by gap, and rainfall easily causes greatly a large amount of ponding of cable duct, and cable immersion is made to influence equipment
Safe operation.The hole location leakproofness of cable duct cable installation is poor in the prior art, and external water is easily penetrated into cable duct,
So that cable is soaked, along the service life for reducing cable, the safety that cable uses is greatly reduced.
Summary of the invention
The purpose of this utility model is to provide a kind of cable duct waterproof device of cable, can effectively improve cable duct cable
The leakproofness of installation, improves waterproof performance, the safety for further improving the service life of cable and using.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of cable duct waterproof device of cable, packet
It includes and main set and the cable in the main set of installation is installed, the cable is fixed in the main set of installation by sealing filled layer, described
The periphery for installing main set is socketed with negative pressure box and seal closure, is connected between the negative pressure box and seal closure by transfer tube, described
Negative pressure box is equipped with compressor far from the side of seal closure, and the negative pressure box is equipped with multiple gas bleeder valves.
Further, the seal closure includes the first seal closure and the second seal closure, and first seal closure is socketed in peace
The periphery of main set is filled, second seal closure is socketed in the periphery of the first seal closure.
Further, be equipped with first annular seal space between first seal closure and the main set of installation, second seal closure and
The second seal chamber is equipped between first seal closure, the first annular seal space is connected to the second seal chamber.
Further, the sectional area of second seal closure is greater than the sectional area of the first seal closure.
Further, it is connected between first seal closure and negative pressure box by transfer tube.
Further, second seal closure is far from being equipped with ring packing adhesive tape on a side arm of the first seal closure.
Further, the periphery of the main set of the installation and negative pressure box is socketed with oversheath.
After adopting the above technical scheme, the utility model has the advantages that
1, during installation, which, in the installation of pipeline joining place, is incited somebody to action cable for cable by sealing filled layer
Cable is fixed on inside the main set of installation, and then cable master is placed on inside cable channel joining place, and makes seal closure and rank
The wall contact for meeting place connects external power supply work by compressor, realizes the pumping to negative pressure box, and open gas bleeder valve, real
Show in negative pressure box and has vacuumized, since seal closure is connected to by transfer tube with negative pressure box, when in negative pressure box being vacuum state, this
When seal closure in also be negative pressure state, atmospheric pressure external at this time can to seal closure generate pressure, force seal closure generate to wall
The extruding force of body, realizing seal closure abutting wall realizes the sealing that joining place is installed to cable, and extraneous water is avoided to enter
Into cable, effective protection cable improves waterproof performance, extends the service life of cable.
2, seal closure is combined by the first seal closure and the second seal closure, is expanded the contact area of seal closure and wall, is mentioned
High sealing effect.
3, by the sealed chamber constituted between first annular seal space and the second seal chamber, external gas extrusion is realized after evacuation
The first seal closure and the second seal closure are pressed, realizes the sealing in cable installation process to joining place, and pass through first annular seal space
The internal space vacuumized is increased with the cooperation of the second seal chamber, improves external pressure to the squeezing effect of seal closure, in turn
Effectively increase sealing effect.
4, the sectional area of the second seal closure is greater than the sectional area of the first seal closure, increases between the second seal closure and wall
Contact area, improve more stable in cable waterproof installation process, sunstroke prevention effect is more preferable.
5, negative pressure box is realized by transfer tube generates negative pressure in the first seal closure, realize the first seal closure and the second seal closure
The seal chamber that interior first annular seal space and the second seal chamber are formed generates negative pressure, realizes the first seal closure and the second seal closure is tight
On patch installation wall, sealing function is realized, the quality of sealing is effectively increased.
6, by the way that ring packing adhesive tape is arranged far from the side of the first seal closure in the second seal closure, sealing is effectively increased
Performance.
7, by being socketed oversheath in the periphery for installing main set and negative pressure box, by oversheath realize to install main set and
The seal protection of negative pressure box improves the protection to cable.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is a kind of schematic view of the front view for cable duct waterproof device of cable that the utility model embodiment one proposes;
Fig. 2 is a kind of side structure schematic view for cable duct waterproof device of cable that the utility model embodiment one proposes
Marked the names of the parts are as follows in figure:
1- installs main set, and 2- seals filled layer, 3- cable, 4- negative pressure box, 5- seal closure, the first seal closure of 501-, 502-
Second seal closure, 6- transfer tube, 7- compressor, 8- gas bleeder valve, 9- oversheath, the second seal chamber of 10-, 11- first annular seal space,
12- ring packing adhesive tape.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following
The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom"
Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification
Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
Embodiment one
As shown in Figs. 1-2, the utility model provides a kind of cable duct waterproof device of cable, including installs main set 1 and be set to
Cable 3 in main set 1 is installed, the cable 3 is fixed in the main set 1 of installation by sealing filled layer 2, the main set 1 of the installation
Periphery is socketed with negative pressure box 4 and seal closure 5, is connected between the negative pressure box 4 and seal closure 5 by transfer tube 6, the negative pressure box
4 sides far from seal closure 5 are equipped with compressor 7, and the negative pressure box 4 is equipped with multiple gas bleeder valves 8.Cable during installation, should
Cable 3, in the installation of pipeline joining place, is fixed on inside the main set 1 of installation by water-tight device for cable by sealing filled layer 2,
Then the main set 1 of cable is placed in inside cable channel joining place, and seal closure 5 is contacted with the wall of joining place, pass through pressure
Contracting machine 7 connects external power supply work, realizes the pumping to negative pressure box 4, and open gas bleeder valve 8, and it is true to realize pumping in negative pressure box 4
Sky, since seal closure 5 is connected to by transfer tube 6 with negative pressure box 4, when in negative pressure box 4 being vacuum state, at this time in seal closure 5
It also is negative pressure state, atmospheric pressure external at this time can generate pressure to seal closure 5, seal closure 5 is forced to generate the extruding to wall
Power, realizing the abutting wall of seal closure 5 realizes the sealing that joining place is installed to cable, and extraneous water is avoided to enter cable
Interior, effective protection cable improves waterproof performance, extends the service life of cable.
In the present embodiment, the seal closure 5 includes the first seal closure 501 and the second seal closure 502, first seal closure
501 are socketed in the periphery for installing main set 1, and second seal closure 502 is socketed in the periphery of the first seal closure 501.Seal closure 5 by
First seal closure 501 and the combination of the second seal closure 502, expand the contact area of seal closure 5 Yu wall, improve sealing effect
Fruit.
In the present embodiment, it is equipped with first annular seal space 11 between first seal closure 501 and the main set 1 of installation, described second
The second seal chamber 10 is equipped between seal closure 502 and the first seal closure 501, the first annular seal space 11 and the second seal chamber 10 connect
It is logical.By the sealed chamber constituted between first annular seal space 11 and the second seal chamber 10, external gas extrusion pressure is realized after evacuation
First seal closure 501 and the second seal closure 502 realize the sealing in cable installation process to joining place, and close by first
Envelope chamber 10 and the cooperation of the second seal chamber 10 increase the internal space vacuumized, improve extruding of the external pressure to seal closure 5
Effect, and then effectively increase sealing effect.
In the present embodiment, the sectional area of second seal closure 502 is greater than the sectional area of the first seal closure 501.Second is close
The sectional area of sealing cover 502 is greater than the sectional area of the first seal closure 501, increases the contact between the second seal closure 502 and wall
Area, improves more stable in cable waterproof installation process, and sunstroke prevention effect is more preferable.
In the present embodiment, it is connected between first seal closure 501 and negative pressure box 4 by transfer tube 6.Negative pressure box 4 passes through
Transfer tube 6, which is realized in the first seal closure 501, generates negative pressure, realizes that first in the first seal closure 501 and the second seal closure 502 is close
It seals the seal chamber that chamber 11 and the second seal chamber 10 are formed and generates negative pressure, realize the first seal closure 501 and the second seal closure 502 is tight
On patch installation wall, sealing function is realized, the quality of sealing is effectively increased.
In the present embodiment, second seal closure 502 is equipped with ring packing on the side arm far from the first seal closure 501
Adhesive tape 12.By the way that ring packing adhesive tape 12 is arranged far from the side of the first seal closure 501 in the second seal closure 502, effectively improve
Sealing performance.
In the present embodiment, the periphery of the main set 1 of the installation and negative pressure box 4 is socketed with oversheath 9.By installing main set 1
It is socketed oversheath 9 with the periphery of negative pressure box 4, the seal protection to main set 1 and negative pressure box 4 is installed is realized by oversheath 9, is mentioned
The high protection to cable.
It should be noted that herein, relational terms such as first and second and the like are used merely to an entity
Or operation distinguished with another entity, without necessarily requiring or implying between these entities or operation there are it is any this
Perhaps sequence and the terms "include", "comprise" or its any other variant are intended to nonexcludability to the actual relationship of kind
Include so that include a series of elements process, method, article or equipment not only include which element, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that in the case that do not depart from the utility model spirit and can make to these embodiments carry out it is a variety of variation, repair
Change, replace and deform, the scope of the utility model is limited by the following claims and their equivalents matter.
Claims (7)
1. a kind of cable duct waterproof device of cable, including installing main set and set on the cable installed in main set, the cable passes through
Sealing filled layer is fixed in the main set of installation, which is characterized in that and the periphery of the main set of installation is socketed with negative pressure box and seal closure,
It being connected between the negative pressure box and seal closure by transfer tube, the negative pressure box is equipped with compressor far from the side of seal closure,
The negative pressure box is equipped with multiple gas bleeder valves.
2. cable duct waterproof device of cable according to claim 1, which is characterized in that the seal closure includes the first sealing
Cover and the second seal closure, first seal closure are socketed in the periphery for installing main set, and it is close that second seal closure is socketed in first
The periphery of sealing cover.
3. cable duct waterproof device of cable according to claim 2, which is characterized in that first seal closure and installation master
It is equipped with first annular seal space between set, the second seal chamber is equipped between second seal closure and the first seal closure, described first is close
Seal chamber and the connection of the second seal chamber.
4. cable duct waterproof device of cable according to claim 2, which is characterized in that the sectional area of second seal closure
Greater than the sectional area of the first seal closure.
5. cable duct waterproof device of cable according to claim 2, which is characterized in that first seal closure and negative pressure box
Between pass through transfer tube be connected to.
6. cable duct waterproof device of cable according to claim 2, which is characterized in that second seal closure is far from first
Ring packing adhesive tape is installed on one side arm of seal closure.
7. cable duct waterproof device of cable according to claim 1, which is characterized in that the main set of the installation and negative pressure box
Periphery is socketed with oversheath.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821081921.5U CN208352933U (en) | 2018-07-09 | 2018-07-09 | A kind of cable duct waterproof device of cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821081921.5U CN208352933U (en) | 2018-07-09 | 2018-07-09 | A kind of cable duct waterproof device of cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208352933U true CN208352933U (en) | 2019-01-08 |
Family
ID=64905087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821081921.5U Active CN208352933U (en) | 2018-07-09 | 2018-07-09 | A kind of cable duct waterproof device of cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208352933U (en) |
-
2018
- 2018-07-09 CN CN201821081921.5U patent/CN208352933U/en active Active
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