CN103821970A - Oil delivery pressure reducing valve structure - Google Patents
Oil delivery pressure reducing valve structure Download PDFInfo
- Publication number
- CN103821970A CN103821970A CN201410069986.8A CN201410069986A CN103821970A CN 103821970 A CN103821970 A CN 103821970A CN 201410069986 A CN201410069986 A CN 201410069986A CN 103821970 A CN103821970 A CN 103821970A
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- CN
- China
- Prior art keywords
- oil
- elastic film
- bonnet
- filler opening
- valve deck
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- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an oil delivery pressure reducing valve structure. An upper valve deck is arranged over a lower valve deck, an elastic film is arranged in a cavity between the lower valve deck and the upper valve deck, and the joint of the edge of the elastic film and the lower valve deck and the joint of the edge of the elastic film and the upper valve deck are connected to constitute a sealed chamber. An upper air chamber is formed between the elastic film and the inner wall of the upper valve deck, and a lower sealed chamber is formed between the elastic film and the inner wall of the lower valve deck. An oil inlet and an oil outlet are formed in the two ends of the lower valve deck respectively, and the oil inlet and the oil outlet are both communicated with the lower sealed chamber. A connector is arranged on the elastic film, the top end of the connector is connected with the upper valve deck, the bottom end of the connector is connected with a lever, the lever is connected with a sealing gasket, and the sealing gasket can completely cover a port of the oil inlet. The oil delivery pressure reducing valve structure is simple and convenient in principle, the spring elasticity and the lever working principle are adopted, the phenomenon of oil backflow can be avoided, and delivery safety is guaranteed.
Description
Technical field
The present invention relates to a kind of mechanical structure, especially relate to a kind of oil transportation structure of relief pressure valve, belong to petroleum machinery field.
Background technique
Oil claims again crude oil, be a kind of thickness, dark brown (sometimes a little green) liquid.There is petroleum storage upper crustal some areas.It is mixed and is formed by different hydrocarbons, and its chief component composition is alkane, goes back in addition the elements such as sulfur-bearing, oxygen, nitrogen, phosphorus, vanadium in oil.Oil is mainly used as fuel oil and gasoline, fuel oil and gasoline composition one of most important primary energy in the world.Oil is also that many chemical industry products are as the raw material of solution, chemical fertilizer, pesticide and plastics etc.Oil is mainly hydrocarbon.It is mixed and is formed by different hydrocarbons, the chemical element of composition oil is mainly carbon (83% ~ 87%), hydrogen (11% ~ 14%), and all the other are sulphur (0.06% ~ 0.8%), nitrogen (0.02% ~ 1.7%), oxygen (0.08% ~ 1.82%) and minor metallic element (Ni-V-Fe, antimony etc.).The chief component that is closed the hydro carbons forming and formed oil by carbon and hydrogenation, accounts for 95% ~ 99%, and various hydro carbons are divided into by its structure: alkane, cycloalkane, aromatic hydrocarbon.General natural oil does not often contain alkene and the alkynes that quantity does not wait in secondary operations product containing alkene.Sulfur-bearing, oxygen, nitrogen compound are harmful to petroleum products, in petroleum processing, should remove as far as possible.Stone oil properties is different because of the place of production, and density is 0.8 ~ 1.0 gram per centimeter, and range of viscosities is very wide, solidifying point difference very large (30 ~-60 degrees Celsius), boiling spread is more than normal temperature to 500 degree Celsius, dissolves in multiple organic solvent, water insoluble, but can form emulsion with water.But the composition of the oil in different oil fields and appearance can be distinguished very large.Oil is mainly used as fuel oil and gasoline, and fuel oil and gasoline form at present one of most important primary energy in the world.Oil is also that many chemical industry products are as the raw material of solvent, chemical fertilizer, pesticide and plastics etc.The oil that exploit today 88% is used as fuel, other 12% raw material as chemical industry.Oil carry time need to adopt certain pressure, could by oil transportation to need place, existing in the time of oil transportation because pressure instability usually appears in some reasons, cause oil transportation occur flow backwards phenomenon, cause security incident.
Summary of the invention
The object of the invention is to overcome above-mentioned existing in the time of oil transportation because pressure instability usually appears in some reasons, cause oil transportation to occur the problem of the phenomenon flowing backwards, design a kind of oil transportation structure of relief pressure valve, this structure is utilized the principle of spring and lever, can avoid the phenomenon that occurs that oil flows backwards, guarantee delivery safety.
Object of the present invention is achieved through the following technical solutions: oil transportation structure of relief pressure valve, comprise bottom flange and bonnet, bonnet be arranged on bottom flange directly over, in chamber between bottom flange and bonnet, be provided with elastic film, the junction of the edge of elastic film and bottom flange and bonnet connects and composes closed chamber, wherein between elastic film and the inwall of bonnet, form upper gas chamber, between elastic film and the inwall of bottom flange, form lower seal chamber, the two ends of bottom flange are respectively arranged with filler opening and oil outlet, and filler opening and oil outlet are all communicated with lower seal chamber, on elastic film, be provided with connecting head, the top of connecting head is connected with bonnet, the bottom of connecting head is connected with lever, lever is arranged on lower seal chamber interior, lever is connected with sealing gasket away from one end of connecting head, sealing gasket can cover the port of filler opening completely.
Filler opening is provided with oil outlet near one end of lower seal chamber, and oil outlet is communicated with filler opening and lower seal chamber simultaneously, and sealing gasket can cover the port of oil outlet completely.
The top of bonnet is provided with adjusting plug screw, regulates the bottom of plug screw to be arranged on upper gas chamber inside through after bonnet, is provided with spring in upper gas chamber, and the two ends of spring are connected with regulating the bottom of plug screw and the top of connecting head respectively.
On the wall of bonnet, be provided with spiracle, spiracle is communicated with upper gas chamber through the wall of bonnet, and spiracle is arranged on and regulates between plug screw and elastic film.
On the outer wall of bottom flange, be provided with threaded connecting sleeve, and threaded connecting sleeve is linked in respectively on the outer wall of filler opening and oil outlet.
Elastic film adopts rubber material to make.
In sum, the invention has the beneficial effects as follows: this structural principle is easy, utilize the elasticity of spring and the principle of lever work, can avoid occurring the phenomenon of oil refluence, guarantee delivery safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark and corresponding component title in accompanying drawing: 1-threaded connecting sleeve one; 2-connecting head; 3-spring; 4-adjusting plug screw; 5-bonnet; 6-upper gas chamber; 7-spiracle; 8-threaded connecting sleeve two; 9-oil outlet; 10-lower seal chamber; 11-bottom flange; 12-lever; 13-sealing gasket; 14-oil outlet; 15-filler opening; 16-elastic film.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, oil transportation structure of relief pressure valve, comprise bottom flange 11 and bonnet 5, bonnet 5 be arranged on bottom flange 11 directly over, in chamber between bottom flange 11 and bonnet 5, be provided with elastic film 16, the junction of the edge of elastic film 16 and bottom flange 11 and bonnet 5 connects and composes closed chamber, wherein between elastic film 16 and the inwall of bonnet 5, form upper gas chamber 6, between the inwall of elastic film 16 and bottom flange 11, form lower seal chamber 10, the two ends of bottom flange 11 are respectively arranged with filler opening 15 and oil outlet 9, and filler opening 15 and oil outlet 9 are all communicated with lower seal chamber 10, on elastic film 16, be provided with connecting head 2, the top of connecting head 2 is connected with bonnet 5, the bottom of connecting head 2 is connected with lever 12, lever 12 is arranged on 10 inside, lower seal chamber, lever 12 is connected with sealing gasket 13 away from one end of connecting head 2, sealing gasket 13 can cover the port of filler opening 15 completely.Oil enters by filler opening 15, utilize its pressure to back down sealing gasket 13 and enter into 10 inside, lower seal chamber, then flow out from oil outlet 9, in this process, the principle of lever 12 moves down connecting head 2, the long-time filler opening 15 that departs from of sealing gasket 13, spring 3 is in extended state, realize the continuous conveying of oil, and in the time of the underpressure of oil transportation, spring 3 is under the recovery effect of self elastic force, pull on connecting head 2 and move, lever 12 one end are depressed, sealing gasket 13 is firmly compressed on to the port of filler opening 15, realize the sealing of filler opening 15, prevent that oil from flowing backwards from filler opening 15, avoid occurring security incident.
Embodiment 2:
As shown in Figure 1, filler opening 15 is provided with oil outlet 14 near one end of lower seal chamber 10, and oil outlet 14 is communicated with filler opening 15 and lower seal chamber 10 simultaneously, and sealing gasket 13 can cover the port of oil outlet 14 completely.Oil outlet 14 is to control filler opening to enter oil condition, specific structure is set and coordinates with sealing gasket 13, and the flow while making oil transportation can tend towards stability.
The top of bonnet 5 is provided with and regulates plug screw 4, regulates the bottom of plug screw 4 to be arranged on upper gas chamber 6 inside through after bonnet 5, is provided with spring 3 in upper gas chamber 6, and the two ends of spring 3 are connected with regulating the bottom of plug screw 4 and the top of connecting head 2 respectively.Regulate plug screw 4 at the height that regulates it in upper gas chamber 6, to make spring have enough elasticity, avoid after long-term use, the elasticity of spring occurs not enough, causes component movement not in place, affects the work of reduction valve.
On the wall of bonnet 5, be provided with spiracle 7, spiracle 7 is communicated with upper gas chamber 6 through the wall of bonnet 5, and spiracle 7 is arranged on and regulates between plug screw 4 and elastic film 16.Spiracle 7 is set is the air pressure that changes upper gas chamber 6 inside, make the air pressure of upper gas chamber 6 inside can be consistent with ambient pressure, spiracle 7 be communicated with the external world, and the pressure of 10 inside, lower seal chamber can obtain peak rate of flow in the time of oil transportation.
On the outer wall of bottom flange 11, be provided with threaded connecting sleeve, and threaded connecting sleeve is linked in respectively on the outer wall of filler opening 15 and oil outlet 9.For convenience of describing, by threaded connecting sleeve called after threaded connecting sleeve 1 and threaded connecting sleeve 28, threaded connecting sleeve 1 is linked on filler opening 15, and threaded connecting sleeve 28 is linked on oil outlet 9, on the outer wall of threaded connecting sleeve, being provided with thread section, is to be convenient to being connected of reduction valve and petroleum pipeline.
Elastic film 16 adopts rubber material to make.Rubber is the latex that extracts the plants such as rubber tree, Russian dandelion, the material with elasticity, insulating properties, waterproof and air of making after processing.Elastic film 16 also can adopt other chemical material to make, as long as can there is elasticity and not react with oil, in the time of oil transportation, the elasticity of spring changes the position of elastic film 16, space between upper gas chamber 6 and lower seal chamber 10 is changed, to change the distance of sealing gasket and oil outlet, thereby control oil refluence phenomenon.Elastic film 16 needs often to change, to guarantee that elastic film 16 has enough elasticity, guarantees the working state of reduction valve.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (6)
1. oil transportation structure of relief pressure valve, it is characterized in that: comprise bottom flange (11) and bonnet (5), bonnet (5) be arranged on bottom flange (11) directly over, in chamber between bottom flange (11) and bonnet (5), be provided with elastic film (16), the junction of the edge of elastic film (16) and bottom flange (11) and bonnet (5) connects and composes closed chamber, wherein between elastic film (16) and the inwall of bonnet (5), form upper gas chamber (6), between the inwall of elastic film (16) and bottom flange (11), form lower seal chamber (10), the two ends of bottom flange (11) are respectively arranged with filler opening (15) and oil outlet (9), and filler opening (15) and oil outlet (9) are all communicated with lower seal chamber (10), on elastic film (16), be provided with connecting head (2), the top of connecting head (2) is connected with bonnet (5), the bottom of connecting head (2) is connected with lever (12), lever (12) is arranged on inside, lower seal chamber (10), lever (12) is connected with sealing gasket (13) away from one end of connecting head (2), sealing gasket (13) can cover the port of filler opening (15) completely.
2. oil transportation structure of relief pressure valve according to claim 1, it is characterized in that: described filler opening (15) is provided with oil outlet (14) near one end of lower seal chamber (10), oil outlet (14) is communicated with filler opening (15) and lower seal chamber (10) simultaneously, and sealing gasket (13) can cover the port of oil outlet (14) completely.
3. oil transportation structure of relief pressure valve according to claim 1, it is characterized in that: the top of described bonnet (5) is provided with and regulates plug screw (4), regulate the bottom of plug screw (4) to be arranged on upper gas chamber (6) inside through after bonnet (5), in upper gas chamber (6), be provided with spring (3), the two ends of spring (3) are connected with regulating the bottom of plug screw (4) and the top of connecting head (2) respectively.
4. oil transportation structure of relief pressure valve according to claim 3, it is characterized in that: on the wall of described bonnet (5), be provided with spiracle (7), spiracle (7) is communicated with upper gas chamber (6) through the wall of bonnet (5), and spiracle (7) is arranged on and regulates between plug screw (4) and elastic film (16).
5. oil transportation structure of relief pressure valve according to claim 1, is characterized in that: on the outer wall of described bottom flange (11), be provided with threaded connecting sleeve, and threaded connecting sleeve is linked in respectively on the outer wall of filler opening (15) and oil outlet (9).
6. oil transportation structure of relief pressure valve according to claim 1, is characterized in that: described elastic film (16) adopts rubber material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069986.8A CN103821970A (en) | 2014-02-28 | 2014-02-28 | Oil delivery pressure reducing valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069986.8A CN103821970A (en) | 2014-02-28 | 2014-02-28 | Oil delivery pressure reducing valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103821970A true CN103821970A (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410069986.8A Pending CN103821970A (en) | 2014-02-28 | 2014-02-28 | Oil delivery pressure reducing valve structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889275A (en) * | 2015-04-14 | 2015-09-09 | 陈焕祥 | Pipe shrinkage machine anti-backflowing oil conveying pipe |
| CN108916433A (en) * | 2018-06-12 | 2018-11-30 | 上海东软医疗科技有限公司 | pressure relief device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB577938A (en) * | 1941-05-30 | 1946-06-06 | Johan Loder | Improvements in and relating to non-return valves |
| CN2055890U (en) * | 1989-09-26 | 1990-04-11 | 郑锡良 | Diaphragm pressure reduction valve |
| CN2112737U (en) * | 1991-11-12 | 1992-08-12 | 马列夫 | Straight moving one-way valve |
| CN2613653Y (en) * | 2003-03-19 | 2004-04-28 | 魏焕平 | Pressure stabilized, gas source leakage automatic cutting off device |
| CN203743552U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | Pressure reduction valve structure for controlling conveying of oil |
-
2014
- 2014-02-28 CN CN201410069986.8A patent/CN103821970A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB577938A (en) * | 1941-05-30 | 1946-06-06 | Johan Loder | Improvements in and relating to non-return valves |
| CN2055890U (en) * | 1989-09-26 | 1990-04-11 | 郑锡良 | Diaphragm pressure reduction valve |
| CN2112737U (en) * | 1991-11-12 | 1992-08-12 | 马列夫 | Straight moving one-way valve |
| CN2613653Y (en) * | 2003-03-19 | 2004-04-28 | 魏焕平 | Pressure stabilized, gas source leakage automatic cutting off device |
| CN203743552U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | Pressure reduction valve structure for controlling conveying of oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889275A (en) * | 2015-04-14 | 2015-09-09 | 陈焕祥 | Pipe shrinkage machine anti-backflowing oil conveying pipe |
| CN108916433A (en) * | 2018-06-12 | 2018-11-30 | 上海东软医疗科技有限公司 | pressure relief device |
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Application publication date: 20140528 |