CN206753764U - 一种安装有纳米膜的碳罐油箱盖 - Google Patents
一种安装有纳米膜的碳罐油箱盖 Download PDFInfo
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- 239000002828 fuel tank Substances 0.000 title claims abstract description 62
- 239000000945 filler Substances 0.000 claims abstract description 27
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- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 35
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0854—Details of the absorption canister
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
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Abstract
本实用新型涉及油箱零部件设备技术领域,尤其涉及一种安装有纳米膜的碳罐油箱盖,包括油箱外盖和油箱内盖,所述油箱内盖的中部设有填充腔,所述填充腔内设有吸油填料;所述油箱外盖包裹所述填充腔的上端口;所述油箱内盖的底部设有容积腔,所述容积腔的顶部设有通气盖,所述通气盖的侧壁与所述容积腔的内壁之间设有导气间隙;所述容积腔的底部设有排气孔;所述容积腔内的底面上设有用于覆盖所述排气孔的纳米膜组件。本实用新型的有益效果是:通过在容积腔内的底面上设置覆盖排气孔的纳米膜组件,对从排气孔进入到容积腔内的油气进行过滤,减少油气中的含油量,从而减少进入到吸油填料内的油,提高吸油填料的寿命。
Description
技术领域
本实用新型涉及油箱零部件设备技术领域,尤其涉及一种安装有纳米膜的碳罐油箱盖。
背景技术
现在市场上的油箱盖,很多是将一个内腔内注满碳粉,当油箱内的压力大于外界压力时,油箱里的油气通过碳粉腔排放到外界中以达到内外压力平衡,油气通过碳粉腔时,燃油被碳粉部分接收,过滤后的气体排放到外界,以达到控制燃油排放、减少污染的目的。现有的碳灌油箱盖只能实现部分油气被碳粉吸收,而当油箱里温度过高或者振动过大时,油箱的少量油就会进入碳粉容腔里,并将碳粉浸泡,久而久之碳粉就会失去或者减少吸附作用。
实用新型内容
本实用新型所要解决的技术问题是提供一种结构简单,能减少进入到碳罐内的油液,延长碳罐内碳粉的使用寿命的安装有纳米膜的碳罐油箱盖。
本实用新型解决上述技术问题的技术方案如下:一种安装有纳米膜的碳罐油箱盖,包括油箱外盖和油箱内盖,所述油箱内盖的中部设有上端开口的填充腔,所述填充腔内设有吸油填料;所述油箱外盖设在所述油箱内盖的上方,且所述油箱外盖包裹所述填充腔的上端口;所述油箱内盖的底部、位于所述填充腔的下方设有容积腔,所述容积腔的顶部设有用于分隔所述容积腔和所述填充腔的通气盖,所述通气盖的侧壁与所述容积腔的内壁之间设有方便将所述容积腔内的油气导入到所述填充腔中的导气间隙;所述容积腔的底部设有将油箱内的挥发油气导入所述容积腔的排气孔;所述容积腔内的底面上设有用于覆盖所述排气孔的纳米膜组件。
本实用新型的有益效果是:通过在容积腔内的底面上设置覆盖排气孔的纳米膜组件,对从排气孔进入到容积腔内的油气进行过滤,减少油气中的含油量,从而减少进入到吸油填料内的油,提高吸油填料的寿命。
在上述技术方案的基础上,本实用新型还可以做如下改进。
进一步,所述纳米膜组件包括高弹涤纶层和PTFE微孔膜(即聚四氟乙烯微孔膜,具原纤维状微孔结构,孔隙率85%以上,每平方厘米有14亿个微孔),所述高弹涤纶层设在所述PTFE微孔膜和所述容积腔内的底面之间。
采用上述进一步方案的有益效果是:通过将PTFE微孔膜贴附在高弹涤纶层,然后再将高弹涤纶层贴附在容积腔内的底面上,避免PTFE微孔膜单独贴附时贴附不牢固。
进一步,所述PTFE微孔膜上的微孔的孔径为300纳米至500纳米。
采用上述进一步方案的有益效果是:空气和水蒸气分子直径一般为100-300纳米,液体的水(含油)有抱团特性,其分子直径为1000纳米左右,PTFE微孔膜上的孔的孔径设置在300纳米至500纳米,在容许空气和水蒸气分子通过的前提下,能对油液进行阻挡。
进一步,所述PTFE微孔膜的厚度为20-30um。
进一步,所述PTFE微孔膜的透气率为20-30mm/s。
进一步,所述PTFE微孔膜的耐静水压为大于等于60Kpa。
采用上述进一步方案的有益效果是:在实际使用的过程中,当汽油机停止后,油箱产生负压,PTFE微孔膜的耐静水压大于等于60Kpa,避免PTFE微孔膜在负压的状况下破损。
进一步,所述通气盖的上表面上设有覆盖住所述导气间隙的下呼吸板,所述吸油填料设在所述下呼吸板的上方。
采用上述进一步方案的有益效果是:下呼吸板的设置能对进入到油箱盖内的油液进行再一次过滤,从而减少吸油填料的吸油,进一步提高吸油填料的使用寿命。
进一步,还包括覆盖在所述吸油填料的顶部的上呼吸板,所述上呼吸板设在所述填充腔的上端端口处。
采用上述进一步方案的有益效果是:上呼吸板的设置能避免吸油填料从油箱外盖和油箱内盖之间的缝隙流出。
进一步,还包括覆盖所述填充腔的上端端口的内盖板,所述内盖板上设有若干上通气孔。
采用上述进一步方案的有益效果是:内盖板的设置能对起到更好防止吸油填料漏出的作用。
进一步,油箱内盖的底端上可拆卸安装有挂钩。
进一步,所述挂钩的顶部与所述油箱内盖的底端的中部卡接。
采用上述进一步方案的有益效果是:采用卡接将挂钩与油箱内盖进行可拆卸连接,方便挂钩的安装。
附图说明
图1为本实用新型第一种实施例的结构示意图;
图2为本实用新型第二种实施例的结构示意图;
附图中,各标号所代表的部件列表如下:
1、油箱外盖,2、油箱内盖,3、填充腔,4、吸油填料,5、容积腔,6、通气盖,7、导气间隙,8、排气孔,9、纳米膜组件,9-1、高弹涤纶层,9-2、PTFE微孔膜,10、下呼吸板,11、上呼吸板,12、内盖板,13、通气孔,14、挂钩。
具体实施方式
以下结合附图对本实用新型的原理和特征进行描述,所举实例只用于解释本实用新型,并非用于限定本实用新型的范围。
实施例一
如图1所示,本实施例包括油箱外盖1和油箱内盖2,所述油箱内盖2的中部设有上端开口的填充腔3,所述填充腔3内设有吸油填料4;所述油箱外盖1设在所述油箱内盖2的上方,且所述油箱外盖1包裹所述填充腔3的上端口;所述油箱内盖2的底部、位于所述填充腔3的下方设有容积腔5,所述容积腔5的顶部设有用于分隔所述容积腔5和所述填充腔3的通气盖6,所述通气盖6的侧壁与所述容积腔5的内壁之间设有方便将所述容积腔5内的油气导入到所述填充腔3中的导气间隙7;所述容积腔5的底部设有将油箱内的挥发油气导入所述容积腔5的排气孔8;所述容积腔5内的底面上设有用于覆盖所述排气孔8的纳米膜组件9。所述纳米膜组件9包括高弹涤纶层9-1和PTFE微孔膜9-2,所述高弹涤纶层9-1设在所述PTFE微孔膜9-2和所述容积腔5内的底面之间。通过将PTFE微孔膜9-2贴附在高弹涤纶层9-1,然后再将高弹涤纶层9-1贴附在容积腔5内的底面上,避免PTFE微孔膜9-2单独贴附时贴附不牢固。在本实施例中,所采用的PTFE微孔膜9-2具有以下特性:(1)厚度为20-30um,能保证足够的强度;(2)开孔率大于75%,从而能确保过滤的效率;(3)热稳定率为-100℃-300℃,确保PTFE微孔膜9-2的耐低温以及耐高温能力;(4)透气率为20-30mm/s,保证透气效率;(5)静水压为≥60Kpa,在实际使用的过程中,当汽油机停止后,油箱产生负压,PTFE微孔膜9-2的耐静水压大于等于60Kpa,避免PTFE微孔膜9-2在负压的状况下破损。
实施例二
如图2所示,本实施例包括油箱外盖1和油箱内盖2,所述油箱内盖2的中部设有上端开口的填充腔3,所述填充腔3内设有吸油填料4;所述油箱外盖1设在所述油箱内盖2的上方,且所述油箱外盖1包裹所述填充腔3的上端口;所述油箱内盖2的底部、位于所述填充腔3的下方设有容积腔5,所述容积腔5的顶部设有用于分隔所述容积腔5和所述填充腔3的通气盖6,所述通气盖6的侧壁与所述容积腔5的内壁之间设有方便将所述容积腔5内的油气导入到所述填充腔3中的导气间隙7;所述容积腔5的底部设有将油箱内的挥发油气导入所述容积腔5的排气孔8;所述容积腔5内的底面上设有用于覆盖所述排气孔8的纳米膜组件9。所述纳米膜组件9包括高弹涤纶层9-1和PTFE微孔膜9-2,所述高弹涤纶层9-1设在所述PTFE微孔膜9-2和所述容积腔5内的底面之间。通过将PTFE微孔膜9-2贴附在高弹涤纶层9-1,然后再将高弹涤纶层9-1贴附在容积腔5内的底面上,避免PTFE微孔膜9-2单独贴附时贴附不牢固。
在本实施例中,所采用的PTFE微孔膜9-2具有以下特性:(1)厚度为20-30um,能保证足够的强度;(2)开孔率大于75%,从而能确保过滤的效率;(3)热稳定率为-100℃-300℃,确保PTFE微孔膜9-2的耐低温以及耐高温能力;(4)透气率为20-30mm/s,保证透气效率;(5)静水压为≥60Kpa,在实际使用的过程中,当汽油机停止后,油箱产生负压,PTFE微孔膜9-2的耐静水压大于等于60Kpa,避免PTFE微孔膜9-2在负压的状况下破损。
本实施例中,所述通气盖6的上表面上设有覆盖住所述导气间隙7的下呼吸板10,所述吸油填料4设在所述下呼吸板10的上方。下呼吸板10的设置能对进入到油箱盖内的油液进行再一次过滤,从而减少吸油填料4的吸油,进一步提高吸油填料4的使用寿命。还包括覆盖在所述吸油填料4的顶部的上呼吸板11,所述上呼吸板11设在所述填充腔3的上端端口处。上呼吸板11的设置能避免吸油填料4从油箱外盖1和油箱内盖2之间的缝隙流出。还包括覆盖所述填充腔3的上端端口的内盖板12,所述内盖板12上设有若干上通气孔13。内盖板12的设置能对起到更好防止吸油填料4漏出的作用。油箱内盖2的底端上可拆卸安装有挂钩14。所述挂钩14的顶部与所述油箱内盖2的底端的中部卡接。采用卡接将挂钩14与油箱内盖2进行可拆卸连接,方便挂钩14的安装。
工作原理:在使用过程中,在油箱内里温度过高或者振动过大时,少量油会进入到排气口,通过设置在容积腔5内的底面上设置覆盖排气孔8的纳米膜组件9,对从排气孔8进入到容积腔5内的油气进行过滤,减少油气中的含油量,从纳米膜组件9进入到容积腔5内的油气再通过通气盖6与容积腔5之间的间隙,部分油会吸附在容积腔5的内壁上,然后部分油气会通过下呼吸板10,在下呼吸板10的过滤作用下,油气中的油含量再次降低,然后进入到吸油填料4内,常用的吸油填料4为碳粉,通过碳粉对油气的吸附后再依次经过上呼吸板11、内盖板12后,排放到外界。
由于空气和水蒸气分子直径一般为100-300纳米,液体的水(含油)有抱团特性,其分子直径为1000纳米左右,纳米膜组件9中的PTFE微孔膜9-2上的孔的孔径设置在300纳米至500纳米,在容许空气和水蒸气分子通过的前提下,能对油液进行阻挡,从而对从排气孔8进入到容积腔5内的油气进行过滤,减少油气中的含油量,从而减少进入到吸油填料4内的油,提高吸油填料4的寿命。
以上所述仅为本实用新型的较佳实施例,并不用以限制本实用新型,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。
Claims (10)
1.一种安装有纳米膜的碳罐油箱盖,其特征在于,包括油箱外盖(1)和油箱内盖(2),所述油箱内盖(2)的中部设有上端开口的填充腔(3),所述填充腔(3)内设有吸油填料(4);所述油箱外盖(1)设在所述油箱内盖(2)的上方,且所述油箱外盖(1)包裹所述填充腔(3)的上端口;所述油箱内盖(2)的底部、位于所述填充腔(3)的下方设有容积腔(5),所述容积腔(5)的顶部设有用于分隔所述容积腔(5)和所述填充腔(3)的通气盖(6),所述通气盖(6)的侧壁与所述容积腔(5)的内壁之间设有方便将所述容积腔(5)内的油气导入到所述填充腔(3)中的导气间隙(7);所述容积腔(5)的底部设有将油箱内的挥发油气导入所述容积腔(5)的排气孔(8);所述容积腔(5)内的底面上设有用于覆盖所述排气孔(8)的纳米膜组件(9)。
2.根据权利要求1所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述纳米膜组件(9)包括高弹涤纶层(9-1)和PTFE微孔膜(9-2),所述高弹涤纶层(9-1)设在所述PTFE微孔膜(9-2)和所述容积腔(5)内的底面之间。
3.根据权利要求2所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述PTFE微孔膜(9-2)上的微孔的孔径为300纳米至500纳米。
4.根据权利要求2或3所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述PTFE微孔膜(9-2)的厚度为20-30um。
5.根据权利要求2或3所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述PTFE微孔膜(9-2)的透气率为20-30mm/s。
6.根据权利要求2或3所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述PTFE微孔膜(9-2)的耐静水压为大于等于60Kpa。
7.根据权利要求1至3任一项所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述通气盖(6)的上表面上设有覆盖住所述导气间隙(7)的下呼吸板(10),所述吸油填料(4)设在所述下呼吸板(10)的上方。
8.根据权利要求1至3任一项所述一种安装有纳米膜的碳罐油箱盖,其特征在于,还包括覆盖在所述吸油填料(4)的顶部的上呼吸板(11),所述上呼吸板(11)设在所述填充腔(3)的上端端口处。
9.根据权利要求1至3任一项所述一种安装有纳米膜的碳罐油箱盖,其特征在于,还包括覆盖所述填充腔(3)的上端端口的内盖板(12),所述内盖板(12)上设有若干上通气孔(13)。
10.根据权利要求1至3任一项所述一种安装有纳米膜的碳罐油箱盖,其特征在于,所述油箱内盖(2)的底端上可拆卸安装有挂钩(14)。
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