CN202691251U - Direct buried type fully-sealed pneumatic valve - Google Patents
Direct buried type fully-sealed pneumatic valve Download PDFInfo
- Publication number
- CN202691251U CN202691251U CN 201220410845 CN201220410845U CN202691251U CN 202691251 U CN202691251 U CN 202691251U CN 201220410845 CN201220410845 CN 201220410845 CN 201220410845 U CN201220410845 U CN 201220410845U CN 202691251 U CN202691251 U CN 202691251U
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- China
- Prior art keywords
- air chamber
- valve
- track bar
- valve seat
- buried type
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Abstract
The utility model discloses a direct buried type fully-sealed pneumatic valve, which comprises a valve seat shell, a valve cover, an air chamber shell, a thrust disc, a thrust rod, a balance reset spring and an air chamber, wherein a medium inlet is arranged on one end of the valve seat shell, a medium outlet is arranged on the other end of the valve seat shell, the valve cover is arranged in the valve seat shell and is matched and connected with the medium inlet, at least three supporting feet are arranged on the inner wall of the valve seat shell which is arranged on one end of the medium outlet, and the air chamber shell is arranged in the valve seat shell. The direct buried type fully-sealed pneumatic valve is arranged on an underground pipe network, one end of an air inlet pipe and an air outlet pipe which are connected with an air charging device is arranged above the ground surface, and the direct buried type fully-sealed pneumatic valve can achieve air inflation and deflation of the air chamber, and further controls opening and closing, thereby not needing to be provided with an inspection well, saving construction and maintenance cost of the inspection well, greatly reducing building costs of the underground pipe network, and eliminating security hidden danger of adding the inspection well simultaneously.
Description
Technical field:
The utility model relates to a kind of valve, particularly relates to a kind of hermetically sealed pneumatic valve of directly buried type that is applied to underground pipe network.
Background technique:
Carry the epoch along with society enters under ground piping, the conveyance conduits such as gas ductwork, heating, potable water, chemical industry gas, liquid increase sharply.The pipeline valve product increases thereupon, has fed back simultaneously the demand of valve performance technology.Valve is of a great variety, at present, the valve that is applied under ground piping mostly is manually operated manually-operated gate, this type of valve installation is under ground piping, for satisfying the needs of its open and close and maintenance, and must be at the position of mounted valve installation check well, so greatly increased the mounting cost of underground pipe network, in addition, the maintenance and repair expense in inspection shaft every year is also very high, and inspection shaft is in case damage and also have potential safety hazard.This type of valve also exist switch dumb, get rusty easily, often need repairing; Restrictor bar leaks, leaking gas exists potential safety hazard.
Summary of the invention:
The purpose of this utility model is to provide a kind of and can be applicable to underground pipe network, need not the installation check well, the hermetically sealed pneumatic valve of durable directly buried type simple in structure.
The purpose of this utility model is implemented by following technological scheme, the hermetically sealed pneumatic valve of a kind of directly buried type, it includes the valve seat housing, valve gap, gas chamber shell, thrust disc, track bar, balance Returnning spring and air chamber, one end of described valve seat housing is provided with the medium inlet, the other end is provided with media outlet, described valve gap places described valve seat housing interior and in mating connection with described medium inlet, the described valve seat inner walls that is provided with described media outlet one end is provided with at least three legs, described gas chamber shell places in the described valve seat housing, described gas chamber shell comprises air chamber base and the air chamber cover that matches with described air chamber base, described air chamber base is fixed on described leg top, described air chamber cover is provided with the air chamber cover opening that matches with described track bar, described thrust disc, described track bar, described balance Returnning spring and described air chamber all place in the described gas chamber shell, described air chamber is made of described air chamber base and elastomeric layer, the airtight joint that is folded in described air chamber base and described air chamber cover, the edge of described elastomeric layer, one side of described thrust disc is close to described elastomeric layer, the central position of opposite side is fixedly connected with an end of described track bar, the other end of described track bar passes described air chamber cover opening and is connected with described valve gap, described balance Returnning spring is sleeved on the described track bar, one end of described balance Returnning spring is fitted on the described thrust disc, the other end is fitted in the top of described air chamber cover, the described air chamber base that connects as one, any one described leg and the described valve seat housing that is connected with described leg are provided with air inlet/outlet, and described air inlet/outlet is connected with inflator by the turnover tracheae.
Described valve gap comprises circular lid, one side of described circular lid is provided with at least three and described circular lid end face guide rod connected vertically, described guide rod is evenly distributed on the center of circle take described circular lid as the center of circle, take the radius of described medium inlet on the circle of radius, described guide rod places in the described medium inlet, and can reciprocatingly slide along described medium inlet inwall, thereby can guarantee the moving direction of valve gap and track bar, guarantee that valve opens and closes smoothly; The opposite side of described circular lid is provided with link, and described link is provided with hemispherical groove; The end that described track bar is connected with described thrust disc is provided with circular defining flange, the hemisphere of the end that described track bar is connected with described valve gap for matching with described hemispherical groove, the domed ends of described track bar places in the described hemispherical groove and by the U-shaped card and is connected together, when the track bar unbalance stress, when the direct of travel of track bar slightly has inclination, the domed ends of track bar can slightly adjust in hemispherical groove, avoid track bar to be stuck in the air chamber cover opening, affect the switching of valve.
The hermetically sealed pneumatic valve of described directly buried type also includes supporting sleeve, described supporting sleeve is sleeved on the described track bar and places between described air chamber cover opening and the described track bar, have annular groove on the outer wall of described supporting sleeve, described supporting sleeve is connected on the described air chamber cover of described air chamber cover opening by described annular groove.Supporting sleeve has the effect of stable steering.
Described inflator is any one in pump, air pump or the pressure cylinder.
Described air chamber cover is provided with drain hole.Because gas chamber shell is seal structure, when chamber inflated, the space reduces in the gas chamber shell, and pressure increases, and is provided with drain hole at air chamber cover, liquid in the gas chamber shell or gas can be discharged, and reduces the pressure to air chamber, is convenient to chamber inflated.
The corresponding described air chamber cover opening of described air chamber cover is provided with the helical spring limited impression.Spring limited impression and circular defining flange play the effect that limits spring position, avoid spring to swing up and down, and guarantee that spring action evenly distributes to the power on the thrust disc, and then guarantee that track bar is stressed evenly.
Described elastomeric layer is rubber layer or plastic layer.
The hermetically sealed pneumatic valve of the utility model directly buried type can realize concentrating telecontrol by computer.
Valve seat housing employing cast iron or PE, PVC, PPR material; Valve gap adopts copper, stainless steel, cast iron (edge copper) material; Thrust disc, track bar adopt copper, stainless steel; The balance Returnning spring adopts stainless steel; Supporting sleeve adopts rubber, copper material; Gas chamber shell adopts stainless steel, PE, PVC, PPR material; U-shaped card adopts stainless steel, and the material of above-mentioned parts has corrosion-resistant, the characteristics of long service life.
Working principle: when chamber inflated, elastomeric layer is heaved, and thrust disc and track bar are boosted forward, and the balance Returnning spring is compressed, and valve gap advances in the medium inlet under the effect of track bar and then with medium inlet sealing, valve closing; When air chamber is exitted, elastomeric layer subsides to air chamber base direction, until be fitted on the air chamber base inner wall, at this moment, the reinstatement of upspringing of balance Returnning spring, thrust disc and track bar set back under the elastic force effect of balance Returnning spring bullet, the side of thrust disc is fitted on the elastomeric layer, and valve gap leaves the medium inlet under the effect of reasoning bar, valve open, valve closing and opening procedure.Some is in the medium inlet all the time for guide rod, and valve gap leaves the medium inlet, and water is flowed in the valve seat housing by the space between the guide rod, flows out the valve seat housing by the space between the leg through media outlet.
The utility model has the advantage of, 1, the gas chamber shell of the hermetically sealed pneumatic valve of the utility model directly buried type is sealing configuration, air chamber places in the gas chamber shell, avoids extraneous dirt to enter in the gas chamber shell air chamber is damaged, and guarantees that valve normally moves; 2, the hermetically sealed pneumatic valve of the utility model directly buried type is installed on underground pipe network, one end of the turnover tracheae that will be connected with inflator places more than the earth's surface, more than the earth's surface, can realize the inflation/deflation of air chamber, and then the Push And Release of control valve, therefore need not to arrange inspection shaft, save construction, maintenance and the maintenance expense of inspection shaft, greatly reduced the cost of building of underground pipe network, eliminated simultaneously the potential safety hazard of setting up inspection shaft; 3, the utility model is simple in structure, and is durable, long service life; 4, will be exposed to the above turnover tracheae unification in ground and settle management, avoid arbitrarily switch underground pipe network valve of individual, cause unnecessary loss.
Description of drawings
Fig. 1 is the hermetically sealed pneumatic valve structural drawing of embodiment's 1 directly buried type.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment:
Embodiment 1: the hermetically sealed pneumatic valve of a kind of directly buried type, it includes valve seat housing 1, valve gap 2, gas chamber shell 3, thrust disc 4, track bar 5, balance Returnning spring 6, supporting sleeve 7 and air chamber 8, one end of valve seat housing 1 is provided with medium inlet 9, the other end is provided with media outlet 10, valve gap 2 places in the valve seat housing 1, valve gap 2 comprises circular lid 11, one side of circular lid 11 is provided with three and circular lid 11 end faces guide rod 12 connected vertically, guide rod 12 is evenly distributed on the center of circle take circular lid 11 as the center of circle, take the radius of medium inlet 9 on the circle of radius, guide rod 12 places in the medium inlet 9, and can reciprocatingly slide by 9 inwalls along the medium inlet, thereby can guarantee the moving direction of valve gap 2 and track bar 5, guarantee that valve opens and closes smoothly; The opposite side of circular lid 11 is provided with link 13, and link 13 is provided with hemispherical groove 14; Valve seat housing 1 inwall that is provided with media outlet 10 1 ends is provided with four legs 15, gas chamber shell 3 places in the valve seat housing 1, gas chamber shell 3 comprises air chamber base 16 and the air chamber cover 17 that matches with air chamber base 16, air chamber base 16 is fixed on leg 15 tops, the air chamber cover opening 19 that air chamber cover 17 is provided with drain hole 18 and matches with track bar 5, because gas chamber shell 3 is seal structure, when air chamber 8 inflation, gas chamber shell 3 interior spaces reduce, pressure increases, and is provided with drain hole 18 at air chamber cover 17, can be with gas chamber shell 3 interior Bas Dischargeds, reduce the pressure to air chamber 8, be convenient to air chamber 8 inflations.Air chamber cover 17 corresponding air chamber cover openings 19 places are provided with helical spring limited impression 20.Thrust disc 4, track bar 5, balance Returnning spring 6 and air chamber 8 all place in the gas chamber shell 3, air chamber 8 is made of air chamber base 16 and rubber layer 21, the airtight joint that is folded in air chamber base 16 and air chamber cover 17, the edge of rubber layer 21, one side of thrust disc 4 is close to rubber layer 21, and the central position of opposite side is fixedly connected with an end of track bar 5.The other end of track bar 5 passes air chamber cover opening 19 and is connected with valve gap 2, supporting sleeve 7 be sleeved on the track bar 5 and place air chamber cover opening 19 and track bar 5 between, have annular groove 22 on the outer wall of supporting sleeve 7, supporting sleeve 7 is connected on the air chamber cover 17 at air chamber cover opening 19 places by annular groove 22.Supporting sleeve plays stable steering; The hemisphere of the end that track bar 5 is connected with valve gap 2 for matching with hemispherical groove 14, the domed ends of track bar 5 places in the hemispherical groove 14 and by U-shaped card 23 and is connected together, when track bar 5 unbalance stress, when the direct of travel of track bar 5 slightly has inclination, the domed ends of track bar 5 can slightly adjust in hemispherical groove 14, avoid track bar 5 to be stuck in air chamber cover opening 19 places, affect the switching of valve.The end that track bar 5 is connected with thrust disc 4 is provided with circular defining flange 24, balance Returnning spring 6 is sleeved on the track bar 5, the one end is connected on the circular defining flange 24 just, the other end extends in the spring limited impression 20, one end of balance Returnning spring 6 is fitted on the thrust disc 4, the other end is fitted in the top of air chamber cover 17, spring limited impression 20 and circular defining flange 24 play the effect that limits balance Returnning spring 6 positions, avoid balance Returnning spring 6 to swing up and down, guarantee that the power that balance Returnning spring 6 is applied on the thrust disc 4 evenly distributes, and then guarantee that track bar 5 is stressed even.The air chamber base 16 that connects as one, any one leg 15 and the valve seat housing 1 that is connected with leg 15 are provided with air inlet/outlet 25, and air inlet/outlet 25 is connected with pump by turnover tracheae 26.
Claims (7)
1. hermetically sealed pneumatic valve of directly buried type, it is characterized in that, it includes the valve seat housing, valve gap, gas chamber shell, thrust disc, track bar, balance Returnning spring and air chamber, one end of described valve seat housing is provided with the medium inlet, the other end is provided with media outlet, described valve gap places described valve seat housing interior and in mating connection with described medium inlet, the described valve seat inner walls that is provided with described media outlet one end is provided with at least three legs, described gas chamber shell places in the described valve seat housing, described gas chamber shell comprises air chamber base and the air chamber cover that matches with described air chamber base, described air chamber base is fixed on described leg top, described air chamber cover is provided with the air chamber cover opening that matches with described track bar, described thrust disc, described track bar, described balance Returnning spring and described air chamber all place in the described gas chamber shell, described air chamber is made of described air chamber base and elastomeric layer, the airtight joint that is folded in described air chamber base and described air chamber cover, the edge of described elastomeric layer, one side of described thrust disc is close to described elastomeric layer, the central position of opposite side is fixedly connected with an end of described track bar, the other end of described track bar passes described air chamber cover opening and is connected with described valve gap, described balance Returnning spring is sleeved on the described track bar, one end of described balance Returnning spring is fitted on the described thrust disc, the other end is fitted in the top of described air chamber cover, the described air chamber base that connects as one, any one described leg and the described valve seat housing that is connected with described leg are provided with air inlet/outlet, and described air inlet/outlet is connected with inflator by the turnover tracheae.
2. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1, it is characterized in that, described valve gap comprises circular lid, one side of described circular lid is provided with at least three and described circular lid end face guide rod connected vertically, described guide rod is evenly distributed on the center of circle take described circular lid as the center of circle, take the radius of described medium inlet on the circle of radius, described guide rod places in the described medium inlet, and can reciprocatingly slide along described medium inlet inwall, the opposite side of described circular lid is provided with link, and described link is provided with hemispherical groove; The end that described track bar is connected with described thrust disc is provided with circular defining flange, the hemisphere of the end that described track bar is connected with described valve gap for matching with described hemispherical groove, the domed ends of described track bar places in the described hemispherical groove and by the U-shaped card and is connected together.
3. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1, it is characterized in that, it also includes supporting sleeve, described supporting sleeve is sleeved on the described track bar and places between described air chamber cover opening and the described track bar, have annular groove on the outer wall of described supporting sleeve, described supporting sleeve is connected on the described air chamber cover of described air chamber cover opening by described annular groove.
4. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1 is characterized in that, described inflator is any one in pump, air pump or the pressure cylinder.
5. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1 is characterized in that, described air chamber cover is provided with drain hole.
6. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1 is characterized in that, the corresponding described air chamber cover opening of described air chamber cover is provided with the helical spring limited impression.
7. the hermetically sealed pneumatic valve of a kind of directly buried type according to claim 1 is characterized in that, described elastomeric layer is rubber layer or plastic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410845 CN202691251U (en) | 2012-08-10 | 2012-08-10 | Direct buried type fully-sealed pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410845 CN202691251U (en) | 2012-08-10 | 2012-08-10 | Direct buried type fully-sealed pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202691251U true CN202691251U (en) | 2013-01-23 |
Family
ID=47546873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410845 Expired - Lifetime CN202691251U (en) | 2012-08-10 | 2012-08-10 | Direct buried type fully-sealed pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202691251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808986A (en) * | 2012-08-10 | 2012-12-05 | 苑智良 | Directly-buried totally-sealed pneumatic valve |
| CN107542570A (en) * | 2016-06-27 | 2018-01-05 | 舍弗勒技术股份两合公司 | Thermal management module |
-
2012
- 2012-08-10 CN CN 201220410845 patent/CN202691251U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808986A (en) * | 2012-08-10 | 2012-12-05 | 苑智良 | Directly-buried totally-sealed pneumatic valve |
| CN107542570A (en) * | 2016-06-27 | 2018-01-05 | 舍弗勒技术股份两合公司 | Thermal management module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |