CN109780281A - An integrated rollover control valve for tank pressure regulation and ventilation - Google Patents
An integrated rollover control valve for tank pressure regulation and ventilation Download PDFInfo
- Publication number
- CN109780281A CN109780281A CN201910057502.0A CN201910057502A CN109780281A CN 109780281 A CN109780281 A CN 109780281A CN 201910057502 A CN201910057502 A CN 201910057502A CN 109780281 A CN109780281 A CN 109780281A
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- Prior art keywords
- valve body
- spring
- ventilation
- cavity
- fuel tank
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- 238000009423 ventilation Methods 0.000 title claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 10
- 239000000295 fuel oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003519 ventilatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
本发明提供一种油箱压力调节和通气集成翻车控制阀，包括上阀体和固定支架；上阀体顶部和固定支架底部分别设有第一通气孔和第二通气孔；上阀体和固定支架连接限定第一腔体，第一腔体内设有弹簧座和下阀体；下阀体顶部设有第三通气孔，下阀体的侧面设有液位窗口；下阀体分别与上阀体和弹簧座连接限定出第二腔体和第三腔体；第二腔体内设有第一阀片和第一弹簧，第一弹簧位于第一阀片的上方，第一阀片下侧设有通气槽；第三腔体内设有第二阀片、浮子和第二弹簧，三者从上而下依次设置。本发明结构简单紧凑，成本低；将压力调节和翻车通气功能集成于一体，即能调节油箱内部压力，又能避免燃油泄漏。
The invention provides an integrated rollover control valve for fuel tank pressure regulation and ventilation, comprising an upper valve body and a fixing bracket; the top of the upper valve body and the bottom of the fixing bracket are respectively provided with a first ventilation hole and a second ventilation hole; the upper valve body and the fixing bracket are respectively provided with a first ventilation hole and a second ventilation hole; The connection defines a first cavity, the first cavity is provided with a spring seat and a lower valve body; the top of the lower valve body is provided with a third vent hole, and the side of the lower valve body is provided with a liquid level window; the lower valve body and the upper valve body are respectively Connecting with the spring seat defines a second cavity and a third cavity; the second cavity is provided with a first valve plate and a first spring, the first spring is located above the first valve plate, and the lower side of the first valve plate is provided with a first valve plate and a first spring. A ventilation groove; a second valve plate, a float and a second spring are arranged in the third cavity, and the three are arranged in sequence from top to bottom. The invention is simple and compact in structure and low in cost; the pressure adjustment and rollover ventilation functions are integrated into one body, so that the internal pressure of the fuel tank can be adjusted and fuel leakage can be avoided.
Description
Technical field
The present invention relates to technical field of automobile parts, and in particular to a kind of tank pressure adjusting and integrated control of overturning of ventilating
Valve processed.
Background technique
Fuel tank of vehicle generally all have breather valve and fluid level control valve, when guaranteeing vehicle driving fuel tank normal ventilation and
Adding amount is controlled when fuel up, realizes that fuel-steam enters canister, meets the requirement of oiling Steam Recovery.Oil in the prior art
Case breather valve only has normal ventilation function, cannot be considered in terms of fuel tank gas pressure and adjusts, refuels to terminate and jump rifle, heavy uphill and vehicle
Fuel oil overflows leakage control when overturning.
Summary of the invention
To solve above-mentioned problems of the prior art, the present invention provides a kind of tank pressure adjusting and integrated turn over of ventilating
Pressure-regulating valve and overturning breather valve are integrated in one by vehicle control valve, simple process, compact-sized, at low cost.
To reach above-mentioned technical effect, the present invention adopts the following technical scheme:
A kind of tank pressure adjusting and integrated overturning control valve of ventilating, including upper valve body and fixed bracket；
The top of the upper valve body and the support bracket fastened bottom are respectively equipped with the first venthole and the second venthole；
The upper valve body connects with the fixed bracket and limits the first cavity, and spring base and lower valve are equipped in first cavity
Body；
The top of the lower valve body is equipped with third venthole, and the side of the lower valve body is equipped with liquid level window, the liquid level window
It can be connected to the fuel tank；
The lower valve body is located above the spring base, and the lower valve body is connect with the upper valve body and the spring base point respectively
The second cavity and third cavity are not limited；
The first valve block and the first spring are equipped in second cavity, the upper end of first spring connects the top of the upper valve body
Portion, the lower end of first spring connect the upside of first valve block；
First valve block is set between first spring and the lower valve body, and the downside of first valve block is equipped with ventilation
Slot, the air channel are connected to the third venthole；
The second valve block, float and second spring are equipped in the third cavity；The lower end of the second spring connects the spring
The upper end of seat, the second spring connects the float, and the top of the float is connect with second valve block, second valve
Piece is set at the third venthole of the inside top of the lower valve body.
Further, the inside top of the upper valve body is equipped with positioning column.
Further, the top of the lower valve body is equipped with location hole.
Further, the outside of the lower valve body connects the inside of the upper valve body, the lower valve body and the upper valve body
The outside of connection is equipped with mounting groove, and the mounting groove can place O-ring seal.
Further, the upper valve body is connected by a snap with the lower valve body, the upper valve body and the lower valve body it
Between be equipped with the O-ring seal.
Further, one end of second valve block by buckle connect with the float, second valve block it is another
End is fixedly connected with the float.
Compared with prior art, advantageous effects of the invention are as follows: a kind of tank pressure of the invention adjusts and ventilation
Integrated overturning control valve, it is simple and compact for structure, greatly reduce cost；Pressure is adjusted and overturning ventilatory function is integrated in one
Body, can not only regulating oil tank internal pressure, guarantee that tank internal pressure is normal and vehicle safe driving, and can be avoided fuel oil
Leakage, causes safety accident；In addition the present invention can be adapted to different shaped by the design of upper valve body and fuel tank coupling part structure
Number fuel tank, have a wide range of application.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention.
In figure: 1-upper valve body, 2-lower valve bodies, 3-O-ring seals, the 4-the second valve block, 5-floats, the 6-the second bullet
Spring, 7-spring bases, 8-fixed brackets, the 9-the first valve block, the 10-the first spring, 11-positioning columns.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
The integrated overturning control valve as shown in Figure 1, a kind of tank pressure adjusts and ventilates, including upper valve body 1 and fixed bracket
8；
The top of upper valve body 1 and the bottom of fixed bracket 8 are respectively equipped with the first venthole and the second venthole；First venthole is used
It is connect in the external world, the second venthole is for connecting fuel tank internal.
Upper valve body 1 and the fixed connection of bracket 8 limit the first cavity, are equipped with spring base 7 and lower valve body 2 in the first cavity；
Fixed 8 internal circumferential of bracket is equipped with guiding rib, and lower valve body 2 is located at the inside of guiding rib, when preventing vehicle driving, lower valve body 7 with
Fuel oil shakes；
The top of lower valve body 2 is equipped with third venthole, and the first venthole, the second venthole and third venthole collective effect connect
Logical fuel tank internal and the external world, and then regulating oil tank internal pressure；
Lower valve body 2 is located at 7 top of spring base, and lower valve body 2 is connect and limited respectively with upper valve body 1 and spring base 7 by buckle respectively
Second cavity and third cavity out；
The side of lower valve body 2 is equipped with liquid level window, and liquid level window can be connected to fuel tank；When overturning or tilt angle are larger, oil
Fuel oil inside case is entered in third cavity by liquid level window；
The first valve block 9 and the first spring 10 are equipped in second cavity, the upper end of the first spring 10 connects the top of upper valve body 1, the
The lower end of one spring 10 connects the upside of the first valve block 9；
First valve block 9 is set between the first spring 10 and lower valve body 2；When normal condition, the first spring 10 is in compressive state, and
First valve block 9 is pressed in the upper end of the third venthole in lower valve body 2；
The downside of first valve block 9 is equipped with air channel, when so that the first valve block 9 being pressed together with lower valve body 2, exists therebetween
Slit space, and the air channel can be connected to third venthole, be connected to fuel tank internal with external world's holding；
The second valve block 4, float 5 and second spring 6 are equipped in third cavity, second spring 6 is used to support float 5；
The upper end of the lower end connecting spring seat 7 of second spring 6, second spring 6 connects float 5, the top of float 5 and the second valve block
4 connections, the second valve block 4 are set at the third venthole of the inside top of lower valve body 2；
When normal condition, float 5 compresses second spring 6 due to self gravity, is detached from the second valve block 4, and third venthole is complete
It opens, fuel tank internal can be in communication with the outside；When the top of float 5 is bonded with the second valve block 4, third ventilation bore closure, oil
It is not connected to inside case with the external world.
Preferably, the inside top of upper valve body 1 is equipped with positioning column 11, and positioning column 11 is prevented for positioning the first spring 10
The dislocation of first spring 10 influences tank internal pressure and adjusts.
In some embodiments of the invention, the top of lower valve body 2 is equipped with location hole, and the location hole is for installing the first valve
Piece 9 keeps the installation contraposition of the first valve block 9 accurate.
Optionally, the inside of the outside connection upper valve body 1 of lower valve body 2, the outside that lower valve body 2 is connect with upper valve body 1 is equipped with
Mounting groove, mounting groove can place O-ring seal 3.
Preferably, upper valve body 1 is connected by a snap with lower valve body 2, and O-ring seal is equipped between upper valve body 1 and lower valve body 2
3, it prevents fuel oil from oozing out from upper valve body 1 and 2 junction of lower valve body, causes danger.
In other embodiments of the invention, one end of the second valve block 4 is connect by buckle with float 5, the second valve block 4
The other end be fixedly connected with float 5；Float 5 compresses second spring 6 and is detached from one end of the second valve block 4 when normal condition,
It opens the lower end of third venthole；When 5 stress of float moves up, one end and the float 5 of the second valve block 4 are snapped connection, the
Two valve blocks 4 are bonded with float 5, and the lower end of third venthole is closed；The other end that the second valve block 4 is arranged is fixedly connected with float 5,
Guarantee to be bonded completely when float 5 moves up with the second valve block 4, and then ensures that third venthole completely closes when overturning.
In use, control valve is connect by upper valve body 1 with fuel tank, entire control valve is mounted on fuel tank.Upper valve body 1 with
By flanged joint between fuel tank, for the fuel tank of different model, the part-structure that need to only change upper valve body 1 can meet installation
It is required that greatly reducing workload, reduce costs.
When group refueling, liquid level reaches design height in fuel tank, and fluid level control valve is in close state, while fuel tank master is logical
Air flue is closed；Refueling process generation petrol vapor quantity is larger, and fuel tank gas passes through between the notch between the first valve block 9 and lower valve body 2
Gap is ventilated outward, trim tank internal and external pressure difference, oily loading pressure rapid increase, oiling resistance cannot cause vapour greatly in time
Oil is accumulated in oil filling pipe, refuels and jump rifle, oiling termination；
Oily loading pressure increases, and inside and outside differential pressure constantly increases, which drives the first valve block 9 the first spring of compression upwards
10, it is detached from lower valve body 2, third venthole fully opens at this time, and fuel tank internal is in communication with the outside, and obtains fuel tank external and internal pressure
Balance, achievees the effect that regulating oil tank internal pressure；
When normal vehicle operation, oil tank liquid level control valve is closed, and liquid level decline, environment temperature reduces, fuel tank internal is in negative pressure,
First spring 10 and fuel tank internal negative pressure collective effect, are bonded the first valve block 9 with lower valve body 2；At this point, outside atmosphere is successively led to
The slit space and third venthole between the first valve block 9 and lower valve body 2 are crossed, fuel tank is finally entered, to fuel tank internal tonifying Qi, to protect
It is normal to demonstrate,prove tank internal pressure, and then guarantees vehicle safe driving.
When car ramp traveling or overturning, fuel oil enters third cavity by the liquid level window in lower valve body 2, when liquid level reaches one
When determining height, fuel contacts float 5 in third cavity generates buoyancy to float 5；When the buoyancy and second spring 6 are to float 5
When the sum of elastic force of generation is greater than 5 self gravity of float, float 5 rises and is bonded with the second valve block 4, third ventilation bore closure,
Fuel oil can not be overflowed from third blow vent, avoid the generation of safety accident.
A kind of tank pressure of the invention, which adjusts and ventilates, integrates overturning control valve, simple and compact for structure, greatly reduces
Cost；By pressure adjust and overturning ventilatory function be integrated in one, can not only regulating oil tank internal pressure, guarantee fuel tank internal pressure
Power is normal and vehicle safe driving, and can be avoided fuel leakage, causes safety accident；In addition the present invention can pass through upper valve
The design of body and fuel tank coupling part structure, is adapted to the fuel tank of different model, has a wide range of application.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057502.0A CN109780281A (en) | 2019-01-22 | 2019-01-22 | An integrated rollover control valve for tank pressure regulation and ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057502.0A CN109780281A (en) | 2019-01-22 | 2019-01-22 | An integrated rollover control valve for tank pressure regulation and ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109780281A true CN109780281A (en) | 2019-05-21 |
Family
ID=66501141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057502.0A Pending CN109780281A (en) | 2019-01-22 | 2019-01-22 | An integrated rollover control valve for tank pressure regulation and ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780281A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201778917U (en) * | 2010-04-23 | 2011-03-30 | 比亚迪股份有限公司 | Tipping valve |
| WO2013141555A1 (en) * | 2012-03-19 | 2013-09-26 | 주식회사 유니크 | Gas control valve for fuel tank |
| CN107806523A (en) * | 2017-11-28 | 2018-03-16 | 江西昌河汽车有限责任公司 | Integrated control valve and the fuel tank using the integrated control valve |
| CN108131482A (en) * | 2017-12-30 | 2018-06-08 | 亚普汽车部件股份有限公司 | A kind of new-type oil tank liquid level control air bleeding valve |
| CN209524121U (en) * | 2019-01-22 | 2019-10-22 | 苏州市振业实业有限公司 | A kind of tank pressure adjusting and integrated overturning control valve of ventilating |
-
2019
- 2019-01-22 CN CN201910057502.0A patent/CN109780281A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201778917U (en) * | 2010-04-23 | 2011-03-30 | 比亚迪股份有限公司 | Tipping valve |
| WO2013141555A1 (en) * | 2012-03-19 | 2013-09-26 | 주식회사 유니크 | Gas control valve for fuel tank |
| CN107806523A (en) * | 2017-11-28 | 2018-03-16 | 江西昌河汽车有限责任公司 | Integrated control valve and the fuel tank using the integrated control valve |
| CN108131482A (en) * | 2017-12-30 | 2018-06-08 | 亚普汽车部件股份有限公司 | A kind of new-type oil tank liquid level control air bleeding valve |
| CN209524121U (en) * | 2019-01-22 | 2019-10-22 | 苏州市振业实业有限公司 | A kind of tank pressure adjusting and integrated overturning control valve of ventilating |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 4059 Dongshan Avenue, Linhu Town, Wuzhong District, Suzhou City, Jiangsu Province, 215105 Applicant after: Suzhou Zhenye Chushuo Technology Co.,Ltd. Address before: No. 518, Zixu Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215000 Applicant before: SUZHOU ZHENYE INDUSTRIAL Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190521 |