CN204947543U - A kind of self-ventilation cable trench cover structure - Google Patents
A kind of self-ventilation cable trench cover structure Download PDFInfo
- Publication number
- CN204947543U CN204947543U CN201520769200.3U CN201520769200U CN204947543U CN 204947543 U CN204947543 U CN 204947543U CN 201520769200 U CN201520769200 U CN 201520769200U CN 204947543 U CN204947543 U CN 204947543U
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- China
- Prior art keywords
- air chamber
- piston
- hole
- cover plate
- cover
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- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a kind of self-ventilation cable trench cover structure, comprise cover plate, be located at water deflector cover above cover plate and the piston be located at respectively below cover plate and air chamber, if temperature is higher in cable trough, air heats pressure increase in air chamber is by water deflector cover jack-up, gap is formed between water deflector cover and cover plate, hot-air in cable trough and steam can distribute from this gap, realize cable trough to ventilate, after temperature in cable trough declines, air pressure in air chamber reduces, water deflector cover relies on self gravitation to fall, and ventilation process stops.The utility model can temperature in cable trough higher time automatic ventilation, automatically stop ventilating after temperature reduces, for good running environment created by cable, and do not need manual intervention, therefore, it is possible to increase work efficiency and the safe operation coefficient of electric equipment.
Description
Technical field
The utility model relates to a kind of self-ventilation cable channel cover plate, especially with air vent hole and utilize air principle of expanding with heat and contracting with cold drive air vent hole open and the cable channel cover plate of closing.
Background technology
Current cable trough is generally arranged on underground, uses compact arranged cable channel cover plate shutoff above, does not generally arrange special ventilating opening, inner space relative closure.Because the cable in cable trough operationally can produce amount of heat, add steam to infiltrate, temperature and humidity in cable trough is more much higher than outside, very unfavorable to device security, especially in summer, due to high temperature and rainwater impact, hot and humid direct insulation and the electric property affecting cable in cable trough.Current employing manually raise cable channel cover plate draft type, not only easily there is personnel's fallen accident, also can cause the increase of workload.
Summary of the invention
For current cable trough ventilation Problems existing, the utility model devise a kind of with air vent hole and utilize air principle of expanding with heat and contracting with cold drive air vent hole open and the cable channel cover plate of closing, the scheme taked is:
This structure comprises cover plate, be located at water deflector cover above cover plate and the piston be located at respectively below cover plate and air chamber, water deflector cover is pyramid type structure, its bottom surface indent is in the middle high end around, and the bottom center of water deflector cover is provided with the screw hole post of setting, is provided with internal thread in the hole of screw hole post, cover plate is slab structure, and be provided with coaxial circular vent and circular retaining ring above, ventilation hole is a through hole, and retaining ring gives prominence to lid surface, and water deflector cover is buckled on retaining ring, piston is by piston holder, plunger disc, piston fore-set and piston jackscrew composition, the circle centre position of plunger disc is provided with the circular casing all protruding from card up and down, cannula center is provided with secondary through holes, through hole upper part diameter is less, through hole lower part diameter is larger, through hole lower end inner wall is provided with internal thread, piston fore-set is secondary column structure, lower part diameter is larger, upper part diameter is less, upper end lateral wall is provided with external screw thread, piston jackscrew is column structure, axle center is provided with through hole, lateral wall all arranges external screw thread, piston fore-set upper end is connected with screw hole male screw with ventilation hole through the upper part through hole of sleeve pipe successively, in the lower part through hole of piston fore-set lower part threading, the bottom surface of piston fore-set upper part is the subjacent being located at sleeve through hole upper part, piston jackscrew screws in the lower end through hole of sleeve pipe, piston holder is inverted "L" shaped structure, end face is provided with manhole, piston holder totally four, their lower end is fixed on the diverse location place of the end face of plunger disc, their end face is by the bottom surface being bolted to cover plate through manhole, air chamber is made up of air chamber pipe, air chamber support and air chamber, air chamber pipe is flexible pipe, air chamber is for closing shell structure, the right-hand member of air chamber pipe to be fixed on air chamber and and air chamber inside communicate, on its left end, the lower end of sleeve pipe received by folding cover, air chamber pipe, air chamber, sleeve pipe, piston jackscrew and piston fore-set form a confined space, air chamber is communicated with inside pipe casing by the through hole of air chamber pipe with piston jackscrew, air chamber support totally four, their bottom is fixed on the end face corner of air chamber, and their upper end is fixed on the bottom surface of cover plate.
When the utility model uses, if temperature is higher in cable trough, air heats pressure increase in air chamber, by water deflector cover jack-up, forms gap between water deflector cover and cover plate, and the hot-air in cable trough and steam can distribute from this gap, realize cable trough to ventilate, after temperature in cable trough declines, the air pressure in air chamber reduces, and water deflector cover relies on self gravitation to fall, cover cover plate ventilation hole, ventilation process stops.
After the utility model uses can temperature in cable trough higher time automatic ventilation, automatically stop ventilating after temperature reduces, for good running environment created by cable, and do not need manual intervention, therefore, it is possible to increase work efficiency and the safe operation coefficient of electric equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is water deflector cover schematic diagram in the utility model;
Fig. 3 is the utility model cover plate schematic diagram;
Fig. 4 is piston schematic diagram in the utility model;
Fig. 5 is air chamber schematic diagram in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, self-ventilation cable channel cover plate is made up of water deflector cover 1, cover plate 2, piston 3 and air chamber 4, and water deflector cover 1 is located at above cover plate 2, and piston 3 and air chamber 4 are to be located at respectively below cover plate 2.
As shown in Figure 2, water deflector cover 1 is pyramid type structure, and its bottom surface indent is in the middle high end around, and the bottom center of water deflector cover 1 is provided with the screw hole post 11 of setting, is provided with internal thread in the hole of screw hole post 11.
As shown in Figure 3, cover plate 2 is slab structure, is provided with coaxial ventilation hole 21 and retaining ring 22 above, and ventilation hole 21 is a through hole, and retaining ring 22 gives prominence to cover plate 2 surface, and water deflector cover 1 to be buckled on retaining ring 22.
As shown in Figure 4, piston 3 is by piston holder 31, plunger disc 32, piston fore-set 33 and piston jackscrew 34 form, the circle centre position of plunger disc 32 is provided with the circular casing 35 all protruding from card up and down, sleeve pipe 35 center is provided with secondary through holes, through hole upper part diameter is less, through hole lower part diameter is larger, through hole lower end inner wall is provided with internal thread, piston fore-set 33 is secondary column structure, lower part diameter is larger, upper part diameter is less, upper end lateral wall is provided with external screw thread, piston jackscrew 34 is column structure, axle center is provided with through hole, lateral wall all arranges external screw thread, piston fore-set 33 upper end is threaded with screw hole post 11 through the upper part through hole of sleeve pipe 35 and ventilation hole 21 successively, in the lower part through hole of piston fore-set 33 lower part threading 35, the subjacent of sleeve pipe 35 through hole upper part is located in the bottom surface of piston fore-set 33 upper part, piston jackscrew 34 screws in the lower end through hole of sleeve pipe 35, piston holder 31 is inverted "L" shaped structure, end face is provided with manhole, piston holder 31 totally four, their lower end is fixed on the diverse location place of the end face of plunger disc 32, their end face is by the bottom surface being bolted to cover plate 2 through manhole.
As shown in Figure 5, air chamber support 42 and air chamber 43 form, air chamber pipe 41 is flexible pipe, air chamber 43 is for closing shell structure, the right-hand member of air chamber pipe 41 to be fixed on air chamber 43 and and air chamber 43 inside communicate, on its left end, the lower end of sleeve pipe 35 received by folding cover, air chamber pipe 41, air chamber 4, sleeve pipe 35, piston jackscrew 34 and piston fore-set 33 form a confined space, air chamber 4 is communicated with sleeve pipe 35 inside with the through hole of piston jackscrew 34 by air chamber pipe 41, air chamber support 42 totally four, their bottom is fixed on the end face corner of air chamber 43, their upper end is fixed on the bottom surface of cover plate 2.
When the utility model uses, air chamber 4 and piston 3 put into cable trough, if temperature is higher in cable trough, air in meeting heat air chamber 43 causes pressure increase in air chamber 43, and pressure is passed to by the through hole of air chamber pipe 41 and piston jackscrew 34 sleeve pipe 35 being positioned at piston fore-set 33 lower end, then promote piston fore-set 33 to move up, be stuck in cannot carry out upwards when the bottom surface of piston fore-set 33 upper part moves to the bottom surface of sleeve pipe 35 through hole upper part, now piston fore-set 33 meeting jack-up water deflector cover 1, formed or strengthen the gap between water deflector cover 1 and cover plate 2, hot-air in cable trough and steam can distribute from this gap, finally realize cable trough to ventilate, after temperature in cable trough declines, the pressure that air chamber is 43 li reduces, water deflector cover 1 relies on self gravitation to fall, cover cover plate ventilation hole 21, ventilation process stops.
Claims (1)
1. a self-ventilation cable trench cover structure, comprise cover plate (2), be located at the water deflector cover (1) of cover plate (2) top and be located at piston (3) and the air chamber (4) of cover plate (2) below respectively, it is characterized in that: water deflector cover (1) is pyramid type structure, its bottom surface indent is in the middle high end around, the bottom center of water deflector cover (1) is provided with the screw hole post (11) of setting, is provided with internal thread in the hole of screw hole post (11), cover plate (2) is slab structure, and be provided with coaxial circular vent (21) and circular retaining ring (22) above, ventilation hole (21) is a through hole, outstanding cover plate (2) surface of retaining ring (22), and water deflector cover (1) is buckled in (22) on retaining ring, piston (3) is by piston holder (31), plunger disc (32), piston fore-set (33) and piston jackscrew (34) composition, the circle centre position of plunger disc (32) is provided with the circular casing (35) all protruding from card up and down, sleeve pipe (35) center is provided with secondary through holes, through hole upper part diameter is less, through hole lower part diameter is larger, through hole lower end inner wall is provided with internal thread, piston fore-set (33) is secondary column structure, lower part diameter is larger, upper part diameter is less, upper end lateral wall is provided with external screw thread, piston jackscrew (34) is column structure, axle center is provided with through hole, lateral wall all arranges external screw thread, piston fore-set (33) upper end is threaded with screw hole post (11) through the upper part through hole of sleeve pipe (35) and ventilation hole (21) successively, in the lower part through hole of piston fore-set (33) lower part threading (35), the subjacent of sleeve pipe (35) through hole upper part is located in the bottom surface of piston fore-set (33) upper part, piston jackscrew (34) screws in the lower end through hole of sleeve pipe (35), piston holder (31) is inverted "L" shaped structure, end face is provided with manhole, piston holder (31) totally four, their lower end is fixed on the diverse location place of the end face of plunger disc (32), their end face is by the bottom surface being bolted to cover plate (2) through manhole, air chamber (4) is by air chamber pipe (41), air chamber support (42) and air chamber (43) composition, air chamber pipe (41) is flexible pipe, air chamber (43) is for closing shell structure, the right-hand member of air chamber pipe (41) be fixed on air chamber (43) upper and and air chamber (43) inside communicate, its left end is rolled over the lower end that sleeve pipe (35) received by cover, air chamber pipe (41), air chamber (4), sleeve pipe (35), piston jackscrew (34) and piston fore-set (33) form a confined space, air chamber (4) is communicated with sleeve pipe (35) inside with the through hole of piston jackscrew (34) by air chamber pipe (41), air chamber support (42) totally four, their bottom is fixed on the end face corner of air chamber (43), their upper end is fixed on the bottom surface of cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769200.3U CN204947543U (en) | 2015-10-08 | 2015-10-08 | A kind of self-ventilation cable trench cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769200.3U CN204947543U (en) | 2015-10-08 | 2015-10-08 | A kind of self-ventilation cable trench cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947543U true CN204947543U (en) | 2016-01-06 |
Family
ID=55014932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520769200.3U Expired - Fee Related CN204947543U (en) | 2015-10-08 | 2015-10-08 | A kind of self-ventilation cable trench cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970855A (en) * | 2019-12-05 | 2020-04-07 | 国网辽宁省电力有限公司检修分公司 | Indoor dehumidifying and ventilating cable trench cover plate |
| CN112038997A (en) * | 2020-08-21 | 2020-12-04 | 于小强 | Energy-conserving heat dissipation communication cable ditch well |
-
2015
- 2015-10-08 CN CN201520769200.3U patent/CN204947543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970855A (en) * | 2019-12-05 | 2020-04-07 | 国网辽宁省电力有限公司检修分公司 | Indoor dehumidifying and ventilating cable trench cover plate |
| CN112038997A (en) * | 2020-08-21 | 2020-12-04 | 于小强 | Energy-conserving heat dissipation communication cable ditch well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20171008 |