CN103358893A - Oil spillage stop valve - Google Patents

Oil spillage stop valve Download PDF

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Publication number
CN103358893A
CN103358893A CN2012100837888A CN201210083788A CN103358893A CN 103358893 A CN103358893 A CN 103358893A CN 2012100837888 A CN2012100837888 A CN 2012100837888A CN 201210083788 A CN201210083788 A CN 201210083788A CN 103358893 A CN103358893 A CN 103358893A
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oil
valve
gas
plug body
valve port
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CN2012100837888A
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Chinese (zh)
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CN103358893B (en
Inventor
王学超
陈楷青
林晋琛
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Chengde BYD Automobile Co Ltd
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BYD Co Ltd
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Abstract

The invention provides an oil spillage stop valve comprising a valve body, a bonnet, an elastic part, a floating plug body and an oil-gas passage. The valve body is provided with a cavity and an opening at one end, the bonnet is mounted on the opening, the other end of the valve body is further provided with an oil-gas valve port which is communicated with the oil-gas passage, the floating plug body is positioned in the cavity of the valve body, supports the bonnet movably through the elastic piece and can close or open the oil-gas valve port, and an oil storage chamber is further arranged between the oil-gas valve port and the oil-gas passage and communicated with the oil-gas passage. Since the oil storage chamber is added between the oil-gas port and the oil-gas channel, fuel oil spilled from the oil-gas valve port is temporarily stored in the oil storage chamber to be prevented from directly entering the oil-gas passage, fuel oil is saved, and pollution to the environment is avoided.

Description

A kind of oil spill stop valve
Technical field
The present invention relates to a kind of oil spill stop valve.
Background technology
In order to prevent that self-propelled vehicle from tilting or when overturning, the problem that oil plant leaks occurs, generally all can be on the oil gas vent and the fairway between the Charcoal canister of motor vehicle oil tank, install an oil spill stop valve, to when self-propelled vehicle is toppled over, can the mat oil spill stop valve be closed by above-mentioned fairway blocking-up, occur to prevent the situation that oil plant leaks.
At present, oil spill stop valve generally is installed in the higher position of fuel tank, owing to being subjected to the restriction in vehicle body space, the installation site of the Charcoal canister of most of vehicle is lower than the position of oil spill stop valve gas channel, or the pipeline that connects between oil spill stop valve and the carbon canister is lower than the position of oil spill stop valve gas channel, so, when the fuel oil in the fuel tank too much or the fuel oil in the fuel tank when occuring acutely to rock, or fuel tank is not when also closing because of vehicle driving up descending run-off the straight oil spill stop valve, fuel oil in the fuel tank can spill from the oil gas valve port of oil spill stop valve and be entered the pipeline of discharge vaporization system and resulted in blockage by gas channel, cause oil vapour in the fuel tank carbon canister of can not flowing through, or can flow directly into carbon canister from the fuel oil that the oil gas valve port spills, greatly reduce the working ability of activated carbon, cause the discharge vaporization system can not be normal, the actv. operation, and then cause the contaminated environment that leaks of oil vapour, and because fuel oil spills and can't reclaim, this just causes the waste of the energy.
Summary of the invention
One object of the present invention is to overcome the fuel oil in the fuel tank in the prior art and is spilt by the oil gas valve port and directly enter the deficiency that gas channel causes the carbon canister working ability to reduce, and a kind of oil spill stop valve that fuel flow returns does not affect the carbon canister working ability that is beneficial to is provided.
A kind of oil spill stop valve, comprise valve body, valve gap, elastic component, floating plug body and gas channel, described valve body has a cavity and cavity one end opening, described valve gap is installed on the opening, the other end of described cavity also is provided with the oil gas valve port, described oil gas valve port is connected with gas channel, described floating plug body is positioned at the cavity of valve body, and be supported on movably on the described valve gap by elastic component, described floating plug body can seal or open described oil gas valve port, also be provided with oil cabinet between described oil gas valve port and the gas channel, described oil cabinet is connected with described gas channel.
Further, described oil spill stop valve also comprises the valve plug body, described valve plug body comprises valve plug body and the connecting wall that connects valve plug body and valve body, described oil gas valve port is positioned on the valve plug body, also be provided with the floating plug head on the end face of described floating plug body, described valve plug body has be used to the valve plug chamber that holds described floating plug head.
Further, the described connecting wall side that is positioned at oil cabinet from the sidewall of valve body the direction to the oil gas valve port by the setting of hypermutation low dip.
Further, be formed with partition wall between described gas channel and the oil cabinet, described partition wall is provided with air extractor vent, and described oil cabinet is connected with described gas channel by air extractor vent.
Further, described air extractor vent is arranged on the end away from described gas channel outlet of partition wall.
Further, be provided with oil-returning structure on the described valve plug body, described oil gas valve port is arranged on the described oil-returning structure, also is provided with at least one fuel return hole on the described oil-returning structure, and described fuel return hole is connected with the valve plug chamber.
Further, described oil-returning structure has an annular back leakage groove, and described fuel return hole is arranged at the bottom of annular back leakage groove, and the sidewall of described annular back leakage groove is connected by described connecting wall with valve body.
Further, the direction of the diapire of described back leakage groove along body wall to the valve plug chamber arranged by the hypermutation low dip.
The scope of the distance L at interval is 5mm-20mm between described oil gas valve port and the partition wall further.
Further, the distance L at interval is 15mm between described oil gas valve port and the partition wall.
The present invention reduces by setting up the temporary transient fuel oil that spills that stores of oil cabinet between oil gas valve port and gas channel, avoided fuel oil directly to enter the working ability that causes carbon canister in the gas channel, has both saved fuel oil, has avoided again environmental pollution.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of oil spill stop valve of the present invention.
Fig. 2 is the structural representation of the second embodiment of oil spill stop valve of the present invention.
Wherein: valve body 1, valve gap 2, elastic component 3, floating plug body 4, gas channel 5, oil gas valve port 6, oil cabinet 7, partition wall 8, valve plug body 9, connecting wall 10, floating plug head 11, valve plug chamber 12, oil-returning structure 13, annular back leakage groove 14, fuel return hole 15, air extractor vent 16.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of oil spill stop valve provided by the invention, comprise valve body 1, valve gap 2, elastic component 3, floating plug body 4 and gas channel 5, described valve body 1 has a cavity and cavity one end opening, described valve gap 2 is installed on the opening, the other end of described cavity also is provided with oil gas valve port 6, described oil gas valve port 6 is connected with gas channel 5, described floating plug body 4 is positioned at the cavity of valve body 1, and be supported on movably on the described valve gap 2 by elastic component 3, described floating plug body 4 can seal or open described oil gas valve port 6.
Be positioned at cavity at the supporting role of elastic component 3 cock body 4 of floating downward, described valve gap 2 is provided with the through hole that passes through for fluid, oil vapour or fuel oil can enter into valve body 1 inside by through hole, according to requirements, when normally travelling, the weight of floating plug body 4 is greater than the elastic force of liquid buoyancy and elastic component 3, so spool does not seal described oil gas valve port 6, oil vapour is absorbed by carbon canister through oil gas valve port 6 and gas channel 5 discharge fuel tanks automatically.In the time of vehicle run-off the straight or overturning, so that fuel tank run-off the straight or inversion, the gravity of floating plug body 4 is along the component of valve body 1 axis direction elastic force and the liquid buoyancy sum less than elastic component 3, and floating plug body 4 prevents that with 6 sealings of oil gas valve port fuel oil from being overflowed by gas channel 5.
Gas channel 5 links to each other with Charcoal canister, when the fuel oil in the fuel tank too much or the fuel oil in the fuel tank when occuring acutely to rock, or fuel tank is not when also closing because of vehicle driving up descending run-off the straight oil spill stop valve, fuel oil in the fuel tank can spill from the oil gas valve port 6 of oil spill stop valve and be entered the pipeline of discharge vaporization system and resulted in blockage by gas channel 5, cause oil vapour in the fuel tank carbon canister of can not flowing through, or can flow directly into carbon canister from the fuel oil that oil gas valve port 6 spills, the present invention proposes solution, between described oil gas valve port 6 and gas channel 5, also be provided with oil cabinet 7, described oil cabinet 7 is connected with described gas channel 5, by increasing the fuel oil of oil cabinet 7 for overflowing, a buffering and the temporary transient space that stores fuel oil are provided, when the fuel oil that spills from oil gas valve port 6 flows into the oil cabinet 7, prevent that it from entering gas channel 5.
Further scheme, for so that between floating plug body 4 and the oil gas valve port 6 sealing more reliable, prevent leakage of oil, described oil spill stop valve also comprises the valve plug body, described valve plug body comprises valve plug body 9 and the connecting wall 10 that connects valve plug body 9 and valve body 1, described oil gas valve port 6 is positioned on the valve plug body 9, also be provided with floating plug head 11 on the end face of described floating plug body 4, described valve plug body 9 has be used to the valve plug chamber 12 that holds described floating plug head 11, the axial cross section in described floating plug head 11 and valve plug chamber 12 is trapezoidal, make things convenient for both to be fixed, described floating plug head 11 is positioned at valve plug chamber 12 and blocks described oil gas valve port 6.
As a preferred scheme, in order to make things convenient for fuel flow returns in the oil cabinet 7 in valve body 1, valve body 1 inwall adopts inclined design, the direction to oil gas valve port 6 that is described connecting wall 10 side that is positioned at oil cabinet 7 from the sidewall of valve body 1 is by the setting of hypermutation low dip, whole connecting wall 10 funnels are convenient to fuel flow returns.
Be formed with partition wall 8 between described gas channel 5 and the oil cabinet 7, described partition wall 8 is provided with air extractor vent 16, and described oil cabinet 7 is connected with described gas channel 5 by air extractor vent 16, forms described oil cabinet 7 by partition wall 8, valve body 1 inwall and connecting wall 10.
In order to store more fuel oil so that oil cabinet 7 is temporary transient in the fuel tank run-off the straight or when toppling, described oil cabinet 7 has certain height, be to keep at a certain distance away between described oil gas valve port 6 and the partition wall 8 to be L, the too little requirement that can not satisfy oil storage of distance L can not cushion the leakage of fuel oil; Distance L is too large so that the volume of fuel tank integral body increases, and takes up room.In the present embodiment, distance L between described oil gas valve port 6 and the partition wall 8 is between 5mm-20mm, preferably, the distance L at interval is preferably 15mm between described oil gas valve port 6 and the partition wall 8, it is maximum that distance between described oil gas valve port 6 and the air extractor vent 16 should keep as far as possible, adopt in the present embodiment, described air extractor vent 16 is arranged on the end away from described gas channel 5 outlets of partition wall 8, so that fuel tank is when tilting, oil cabinet 7 can store more fuel oil, so that the fuel oil that oil gas valve port 6 overflows can directly not enter gas channel 5 by air extractor vent 16.
In conjunction with shown in Figure 2, in order to increase further the space of oil cabinet 7, the present invention also provides the second embodiment, be provided with oil-returning structure 13 on the described valve plug body 9, described oil-returning structure 13 has an annular back leakage groove 14, described fuel return hole 15 is arranged at the bottom of annular back leakage groove 14, the sidewall of described annular back leakage groove 14 is connected by described connecting wall 10 with valve body 1, described oil gas valve port 6 is arranged on the described oil-returning structure 13, also be provided with at least one fuel return hole 15 on the described oil-returning structure 13, described fuel return hole 15 is connected with valve plug chamber 12, described fuel return hole 15 is so that be positioned at the fuel flow returns of oil cabinet 7 to the cavity of valve body 1 one sides that are provided with floating plug body 4, in the present embodiment, described oil-returning structure 13 is provided with a fuel return hole 15, and described fuel return hole 15 is arranged at the bottom of annular back leakage groove 14.
A kind of oil spill stop valve provided by the invention, comprise valve body, valve gap, elastic component, floating plug body and gas channel, described valve body has a cavity and an end opening, described valve gap is installed on the opening, the other end of described valve body also is provided with the oil gas valve port, described oil gas valve port is connected with gas channel, described floating plug body is positioned at the cavity of valve body, and by elastic component support movably with described valve gap on, the floating plug body can seal or open described oil gas valve port, also be provided with oil cabinet between described oil gas valve port and the gas channel, described oil cabinet is connected with described gas channel by air extractor vent, by between oil gas valve port and gas channel, increasing oil cabinet, so that the fuel oil that has the oil gas valve port to spill temporarily is stored in the oil cabinet, avoided fuel oil directly to enter gas channel, enter the pipeline of discharge vaporization system and result in blockage by gas channel, or can flow into carbon canister, so just avoided the oil vapour in the fuel tank can not flow through carbon canister or the generation of the situation that can't be absorbed by the activated carbon in the carbon canister, both save fuel oil, also avoided the pollution to environment.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. oil spill stop valve, comprise valve body (1), valve gap (2), elastic component (3), floating plug body (4) and gas channel (5), described valve body (1) has a cavity and cavity one end opening, described valve gap (2) is installed on the opening, the other end of described cavity also is provided with oil gas valve port (6), described oil gas valve port (6) is connected with gas channel (5), described floating plug body (4) is positioned at the cavity of valve body (1), and be supported on movably on the described valve gap (2) by elastic component (3), described floating plug body (4) can seal or open described oil gas valve port (6), it is characterized in that, also be provided with oil cabinet (7) between described oil gas valve port (6) and the gas channel (5), described oil cabinet (7) is connected with described gas channel (5).
2. oil spill stop valve according to claim 1, it is characterized in that, described oil spill stop valve also comprises the valve plug body, described valve plug body comprises valve plug body (9) and the connecting wall (10) that connects valve plug body (9) and valve body (1), described oil gas valve port (6) is positioned on the valve plug body (9), also be provided with floating plug head (11) on the end face of described floating plug body (4), described valve plug body (9) has be used to the valve plug chamber (12) that holds described floating plug head (11).
3. oil spill stop valve according to claim 2 is characterized in that, the direction to oil gas valve port (6) is arranged by the hypermutation low dip side that described connecting wall (10) is positioned at oil cabinet (7) from the sidewall of valve body (1).
4. oil spill stop valve according to claim 1, it is characterized in that, be formed with partition wall (8) between described gas channel (5) and the oil cabinet (7), described partition wall (8) is provided with air extractor vent (16), and described oil cabinet (7) is connected with described gas channel (5) by air extractor vent (16).
5. oil spill stop valve according to claim 4 is characterized in that, described air extractor vent is arranged on the end away from described gas channel (5) outlet of partition wall (8).
6. oil spill stop valve according to claim 2, it is characterized in that, be provided with oil-returning structure (13) on the described valve plug body (9), described oil gas valve port (6) is arranged on the described oil-returning structure (13), also be provided with at least one fuel return hole (15) on the described oil-returning structure (13), described fuel return hole (15) is connected with valve plug chamber (12).
7. oil spill stop valve according to claim 6, it is characterized in that, described oil-returning structure (13) has an annular back leakage groove (14), described fuel return hole (15) is arranged at the bottom of annular back leakage groove (14), and the sidewall of described annular back leakage groove (14) is connected by described connecting wall (10) with valve body (1).
8. oil spill stop valve according to claim 7 is characterized in that, the direction of the diapire of described back leakage groove along valve body (1) sidewall to valve plug chamber (12) arranged by the hypermutation low dip.
9. oil spill stop valve according to claim 4 is characterized in that, the scope of the distance L at interval is 5mm-20mm between described oil gas valve port (6) and the partition wall (8).
10. oil spill stop valve according to claim 9 is characterized in that, the distance L at interval is 15mm between described oil gas valve port (6) and the partition wall (8).
CN201210083788.8A 2012-03-27 2012-03-27 A kind of oil spill stop valve Active CN103358893B (en)

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Application Number Priority Date Filing Date Title
CN201210083788.8A CN103358893B (en) 2012-03-27 2012-03-27 A kind of oil spill stop valve

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Application Number Priority Date Filing Date Title
CN201210083788.8A CN103358893B (en) 2012-03-27 2012-03-27 A kind of oil spill stop valve

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CN103358893B CN103358893B (en) 2016-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104402177A (en) * 2014-12-27 2015-03-11 温州泓呈祥科技有限公司 Community domestic sewage treatment system
CN106949247A (en) * 2017-03-14 2017-07-14 余翊旻 A kind of breather valve of anti-canting oil leak for fuel tank

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001271953A (en) * 2000-03-27 2001-10-05 Toyoda Gosei Co Ltd Fuel cutoff valve
JP2010105523A (en) * 2008-10-30 2010-05-13 Toyoda Gosei Co Ltd Fuel shut-off valve
CN201777125U (en) * 2010-08-31 2011-03-30 比亚迪股份有限公司 Oil spill stop valve
CN102229320A (en) * 2011-04-19 2011-11-02 孙达立 Oil spillage cutoff valve
CN202174935U (en) * 2011-08-09 2012-03-28 比亚迪股份有限公司 Oil spilling cut-off valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001271953A (en) * 2000-03-27 2001-10-05 Toyoda Gosei Co Ltd Fuel cutoff valve
JP2010105523A (en) * 2008-10-30 2010-05-13 Toyoda Gosei Co Ltd Fuel shut-off valve
CN201777125U (en) * 2010-08-31 2011-03-30 比亚迪股份有限公司 Oil spill stop valve
CN102229320A (en) * 2011-04-19 2011-11-02 孙达立 Oil spillage cutoff valve
CN202174935U (en) * 2011-08-09 2012-03-28 比亚迪股份有限公司 Oil spilling cut-off valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104402177A (en) * 2014-12-27 2015-03-11 温州泓呈祥科技有限公司 Community domestic sewage treatment system
CN104402177B (en) * 2014-12-27 2016-02-17 江苏中威环境工程有限公司 A kind of community domestic wastewater treatment system
CN106949247A (en) * 2017-03-14 2017-07-14 余翊旻 A kind of breather valve of anti-canting oil leak for fuel tank
CN106949247B (en) * 2017-03-14 2017-11-17 余翊旻 A kind of breather valve of anti-canting oil leak for fuel tank

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Effective date of registration: 20180607

Address after: 067000 block E2-06-1, upper plate Town, hi tech Zone, Chengde, Hebei

Patentee after: Chengde Byd Automobile Company Limited

Address before: 518118 BYD Road, Pingshan New District, Shenzhen, Guangdong 3009

Patentee before: Biyadi Co., Ltd.

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