CN2712887Y - Safety valve capable of selecting liquid specific gravity - Google Patents
Safety valve capable of selecting liquid specific gravity Download PDFInfo
- Publication number
- CN2712887Y CN2712887Y CN 200420067674 CN200420067674U CN2712887Y CN 2712887 Y CN2712887 Y CN 2712887Y CN 200420067674 CN200420067674 CN 200420067674 CN 200420067674 U CN200420067674 U CN 200420067674U CN 2712887 Y CN2712887 Y CN 2712887Y
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- China
- Prior art keywords
- valve
- diaphragm
- float
- feed liquor
- liquids
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- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a safety valve capable of selecting liquid specific gravity comprising a shell, an inlet and an outlet. A liquid feeding chamber and a liquid discharging chamber are arranged in the shell, and the liquid feeding chamber and the liquid discharging chamber are separated by a baffle; a float device and a valve controlling device which controls the liquid feeding and discharge to a diaphragm valve are arranged in the liquid feeding chamber, and an exhaust valve device is arranged at the top of the liquid feeding chamber; the diaphragm valve is arranged in the liquid discharging chamber, and the valve port of the diaphragm valve is arranged on the baffle; through the fluctuating movement of the float device in the liquid feeding chamber, the floater of the float device can rise to a certain position according to the specific gravity of liquids. A liquid feeding switching valve and a liquid discharging switching valve are controlled by the position of the floater to feed or discharge the liquids to the diaphragm valve to open or close the valve port of the diaphragm valve, and therefore, the liquids are controlled to pass through the safety valve or cut off in the safety valve by selecting the specific gravity of the liquids. The safety valve capable of selecting the specific gravity of the liquids sets the liquids which can pass through the safety valve according to the specific gravity of the liquids to make other liquids can not enter a tank, and therefore, the damage caused by the confusion of the liquids is reduced, and the quality of the liquids stored in the tank is ensured. The safety valve capable of selecting the specific gravity of the liquids is mainly used on the oil feeding pipelines of the storage tanks of filling stations.
Description
Technical field
The utility model belongs to the liquid valve series products, particularly is used for the safety valve of unloading line in vehicle-mounted oil tank and the past petrol storage tank.
Background technology
At present, be used for Unloading Device in the light oil tank wagon, form by oil suction, emptying, balance cock etc. as Chinese patent publication number 2139079 " pipe Unloading Device in the light oil rail tanker ".This device mainly drops to minimum to " vapour lock ", has reduced oil loss, has protected environment.But increase along with social oil mass, send oil also increasing toward petrol service station, often be at the emptying at night, and be to use gasoline and diesel oil to provide and deliver with car, operating personal often causes confusion easily, cause emptying to storing inconsistent phenomenon in the oil tank, unload to the gasoline storage tank, so that cause unnecessary economic loss as gasoline being unloaded to the diesel oil storage tank or diesel oil.Even it is oil-filled with water to have some lawless persons, mixes water at gasoline or diesel oil and reaps staggering profits.To this, also have no idea so far to take precautions against with equipment and stop.
Summary of the invention
The utility model easily produces mislanding at the emptying institute of above present automobile light oil tank wagon, is a kind of gasoline that prevents of development in the unloading line of storage oil tank, and mislandings such as diesel oil or water are gone into the safety valve in the jar.This safety valve has the tintometric function of selection.
The technical solution of the utility model is achieved in that
Select tintometric safety valve, comprise housing, import and outlet, the feed liquor cavity volume is arranged in housing, the fluid cavity volume is separated by by dividing plate between feed liquor cavity volume and the fluid cavity volume; In the feed liquor cavity volume float system is housed, control reaches and is top-loaded with discharge valve apparatus at the feed liquor cavity volume to the valve control device of diaphragm valve feed liquor and discharge opeing; And diaphragm valve is housed in the fluid cavity volume, the valve port of diaphragm valve is on dividing plate;
The feed tube that logical feed liquor cavity volume is arranged on the described valve control device, the drain pipe of pass-out liquid cavity volume, the pipe of logical diaphragm valve, three Guan Youyi transverse tubes are connected; Adorn a feed liquor switch valve between the pipe of feed tube and logical diaphragm valve, adorn a draining switch valve between the pipe of drain pipe and logical diaphragm valve, float system and feed liquor switch valve, draining switch valve link; By float system in feed liquor cavity volume mesorelief campaign, proportion according to liquid, the certain position of float rising of float system, and control feed liquor switch valve and draining switch valve by float position, make feed liquor or discharge opeing in the diaphragm valve, opening or closing valve port, realize selecting liquid specific gravity come controlling liquid in safety valve by or end.
Above-described float system has float, is fixed on the float upper pendulum bar, and fork head and free bearing are hinged, and free bearing is fixed on the dividing plate; Float is provided with transfers tintometric big clump weight.It also has two wheel and the rocking bars that drag float, a little clump weight, two wheels are adorned the termination of rocking bar by axle, act under the float, two rocking bars are contained in respectively on the valve rod of the feed liquor switch valve of valve control device and tapping switch valve, connect two connecting rods by little clump weight, be contained on the fork of float with anchor shaft respectively in two the connecting rod chute.
Above-described diaphragm valve comprises valve port and valve plate on the dividing plate, constitutes valve body and diaphragm chamber by dividing plate, and the inlet of feed tube is contained in the diaphragm on the diaphragm chamber, is fixed on the diaphragm push rod on the diaphragm, and the connecting device of diaphragm push rod and valve plate.
The utility model provides a kind ofly has the tintometric safety valve of selection and compares with background technology, outstanding substantial characteristics and progress are: it has solved the problem that storage tank is made mistakes by the tank car emptying time, can set the liquid that safety valve passed through according to the proportion of liquid, make other liquid can not enter in the jar, reduced the chaotic loss that causes, guaranteed jar a quality by institute's liquid storage body.The filling system that is used for road tank vehicle emptying in oil tank mainly is used in the chargine line of petrol service station storage tank.
Description of drawings
Fig. 1 selects tintometric safety valve principle of work scheme drawing;
Fig. 2 is the control cock principle of work scheme drawing of selecting in the tintometric safety valve
Fig. 3 selects tintometric safety valve structure front view
Fig. 4 selects tintometric safety valve structure lateral plan
Fig. 5 selects tintometric safety valve structure A-A cutaway view
Fig. 6 selects tintometric safety valve structure B-B cutaway view
Fig. 7 selects tintometric safety valve structure C-C cutaway view
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Shown in Figure 1, select tintometric safety valve principle of work scheme drawing.Select tintometric safety valve to comprise housing 1, import 2 and outlet 3, it is characterized in that: feed liquor cavity volume 4 is arranged in housing, and fluid cavity volume 5 is separated by by dividing plate 6 between feed liquor cavity volume and the fluid cavity volume; Float system 7 is housed in the feed liquor cavity volume, and control reaches and is top-loaded with discharge valve apparatus 9 at the feed liquor cavity volume to the valve control device 8 of diaphragm valve feed liquor and discharge opeing; And diaphragm valve 10 is housed in the fluid cavity volume, the valve port 101 of diaphragm valve is on dividing plate; Shown in Figure 2, control cock principle of work scheme drawing.The feed tube 801 that logical feed liquor cavity volume is arranged on the valve control device, the drain pipe 802 of pass-out liquid cavity volume, 803, three Guan Youyi transverse tubes 804 of pipe of logical diaphragm valve are connected; Adorn a feed liquor switch valve 805 between the pipe of feed tube and logical diaphragm valve, adorn a draining switch valve 806 between the pipe of drain pipe and logical diaphragm valve, float system and feed liquor switch valve, draining switch valve link.
By float system in feed liquor cavity volume mesorelief campaign, proportion according to liquid, the certain position of float rising of float system, and control feed liquor switch valve and draining switch valve by float position, make feed liquor or discharge opeing in the diaphragm valve, opening or closing the valve port of diaphragm valve, realize selecting liquid specific gravity, controlling liquid in safety valve conducting with end.
Fig. 3, Fig. 4 and shown in Figure 5 select tintometric safety valve.Float system has float 701, is fixed on float upper pendulum bar 702, and fork head and free bearing 703 are hinged, and free bearing is fixed on the dividing plate; Float is provided with transfers tintometric big clump weight 704, bolt of weldering on float, and the centre of big clump weight has hole slot, and is contained on the bolt, fixes with nut; By adjusting the length of big clump weight, can adjust the proportion size that float adapts to two kinds of liquid (gasoline and diesel oil) to the hinge distance of rocking bar termination.Fig. 3 and shown in Figure 6, float system also have two to overlap the wheel 705 that drags float, rocking bar 706, little clump weight 707, connecting rod 708; Wheel is acted under the float by the termination of axle dress rocking bar, on the feed liquor switch valve that two rocking bars are contained in valve control device respectively and the valve rod of tapping switch valve, by little clump weight 707 connection connecting rods, is contained on the fork of float with anchor shaft in the connecting rod chute.The weight that changes little clump weight 707 can change the specific gravity range of two kinds of liquid (gasoline and diesel oil).
Fig. 3 and shown in Figure 7, diaphragm valve 10 comprise valve port 101 and valve plate 102 on the dividing plate, constitute valve body and diaphragm chamber 103 by dividing plate, the inlet of feed tube (104), be contained in the diaphragm 105 on the diaphragm chamber, be fixed on the diaphragm push rod 106 on the diaphragm, and the connecting device 107 of diaphragm push rod and valve plate.Its connecting device is a connecting rod mechanism.
Shown in Figure 3, a mouth is arranged at the top of housing, and has and cover 111, covers the form that is provided with band glass.There is a mouth side of housing diaphragm valve, and has and cover 112.
Illustrated in figures 1 and 2, select the principle of work of tintometric safety valve as follows:
When liquid enters the feed liquor cavity volume 4 of selecting tintometric safety valve by import, be divided into three kinds of service conditions this moment:
(1) store can than light liquid proportion V1 when input liquid specific gravity V limits less than institute, promptly during V＜V1, float does not float, and is in the next; Feed liquor switch valve 805 closes, and draining switch valve 806 is opened, and diaphragm valve cuts out in the safety valve, and then the obstructed outlet of associating of liquid is flowed out.
(2) when limiting greater than institute, input liquid specific gravity V stores can than light liquid proportion V1, and less than limit the storage can than heavy-fluid body proportion V2, when being V1＜V＜V2, float is in meta to floating, feed liquor switch valve 805 is opened, draining switch valve 806 closes, and diaphragm valve is opened, and liquid flows out by outlet.
(3) as input liquid specific gravity V greater than limit storage can than heavy-fluid body proportion V2, promptly during V＞V2, float upwards floats and is in upperly, feed liquor switch valve 805 closes, draining switch valve 806 is opened, diaphragm valve cuts out, then obstructed the associating of liquid exports outflow.
Claims (6)
1, the tintometric safety valve of a kind of selection comprises housing (1), import (2) and outlet (3), and it is characterized in that: feed liquor cavity volume (4) is arranged in housing, and fluid cavity volume (5) is separated by by dividing plate (6) between feed liquor cavity volume and the fluid cavity volume; Float system (7) is housed in the feed liquor cavity volume, and control reaches and is top-loaded with discharge valve apparatus (9) at the feed liquor cavity volume to the valve control device (8) of diaphragm valve feed liquor and discharge opeing; And diaphragm valve (10) is housed in the fluid cavity volume, the valve of diaphragm valve (101) is on dividing plate.
2, the tintometric safety valve of a kind of selection according to claim 1, it is characterized in that: the feed tube (801) that logical feed liquor cavity volume is arranged on the described valve control device, the drain pipe (802) of pass-out liquid cavity volume, the pipe (803) of logical diaphragm valve, three Guan Youyi transverse tube (804) is connected; Adorn a feed liquor switch valve (805) between the pipe of feed tube and logical diaphragm valve, adorn a draining switch valve (806) between the pipe of drain pipe and logical diaphragm valve, float system and feed liquor switch valve, draining switch valve link.
3, the tintometric safety valve of a kind of selection according to claim 2, it is characterized in that: described float system has float (701), is fixed on float upper pendulum bar (702), and fork head and free bearing (703) are hinged, and free bearing is fixed on the dividing plate; Float is provided with transfers tintometric big clump weight (704); Also have two wheels (705) that drag float, rocking bar (706), a little clump weight (707), two connecting rods (708); Two wheels are adorned the termination of rocking bar by axle, act under the float, two rocking bars are contained in respectively on the valve rod of the feed liquor switch valve of valve control device and tapping switch valve, connect connecting rod by little clump weight (707), are contained on the fork of float with anchor shaft respectively in two the connecting rod chute.
4, the tintometric safety valve of a kind of selection according to claim 2, it is characterized in that: described diaphragm valve (10) comprises valve on the dividing plate (101) and valve plate (102), constitute valve body and diaphragm chamber (103) by dividing plate, the feed liquor of feed tube (104), be contained in the diaphragm (105) on the diaphragm chamber, be fixed on the diaphragm push rod (106) on the diaphragm, and the connecting device (107) of diaphragm push rod and valve plate.
5, the tintometric safety valve of a kind of selection according to claim 1 is characterized in that: a mouth is arranged at the described top of housing (1) that comprises, and has lid (111), covers the form that is provided with band glass.
6, the tintometric safety valve of a kind of selection according to claim 1 is characterized in that: there is a mouth the described side of housing (1) diaphragm valve that comprises, and has lid (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067674 CN2712887Y (en) | 2004-06-19 | 2004-06-19 | Safety valve capable of selecting liquid specific gravity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067674 CN2712887Y (en) | 2004-06-19 | 2004-06-19 | Safety valve capable of selecting liquid specific gravity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2712887Y true CN2712887Y (en) | 2005-07-27 |
Family
ID=34873669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420067674 Expired - Fee Related CN2712887Y (en) | 2004-06-19 | 2004-06-19 | Safety valve capable of selecting liquid specific gravity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2712887Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825083A (en) * | 2012-09-17 | 2012-12-19 | 浙江腾龙精线有限公司 | Automatic stainless steel wire drawing coating agent adding system |
-
2004
- 2004-06-19 CN CN 200420067674 patent/CN2712887Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825083A (en) * | 2012-09-17 | 2012-12-19 | 浙江腾龙精线有限公司 | Automatic stainless steel wire drawing coating agent adding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |