CN2837539Y - 汽油机油箱 - Google Patents

汽油机油箱 Download PDF

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Publication number
CN2837539Y
CN2837539Y CN 200520009916 CN200520009916U CN2837539Y CN 2837539 Y CN2837539 Y CN 2837539Y CN 200520009916 CN200520009916 CN 200520009916 CN 200520009916 U CN200520009916 U CN 200520009916U CN 2837539 Y CN2837539 Y CN 2837539Y
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China
Prior art keywords
oil
oil nozzle
fuel tank
mounting hole
nut
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Expired - Fee Related
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CN 200520009916
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English (en)
Inventor
彭清奇
孙贵
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Chongqing Zongshen General Power Machine Co Ltd
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Chongqing Zongshen Technology R & D Co ltd
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Abstract

本实用新型涉及一种汽油机油箱。包括油箱上体和油箱下体,在油箱下体下部开设有油嘴安装孔,油嘴安装孔处焊接有油嘴安装螺母,油嘴安装螺母焊接在油箱下体的外表面。该汽油机油箱能够增强油箱出油嘴处的密封性能,防止油箱内的燃油从油嘴安装孔处泄漏。

Description

汽油机油箱
                            技术领域
本实用新型涉及一种汽油机油箱。
                            技术背景
汽油机油箱主要由油箱上体和油箱下体组成,在油箱下体下部开设有用于安装出油嘴的通孔——油嘴安装孔,在油箱下体内表面油嘴安装孔处焊接有具有螺纹孔的油嘴安装螺母,出油嘴旋接在油嘴安装螺母中使其安装固定在油箱下体下部。为了防止油箱内的燃油从油嘴安装孔处泄漏出,在出油嘴上套装有密封圈,当出油嘴旋紧在油嘴安装螺母上后,该密封圈被压紧在出油嘴台阶端面与油箱下体外表面之间,以密封油嘴安装孔,防止油箱内的燃油从油嘴安装孔处泄漏出。
上述结构的汽油机油箱由于油箱下体外表面在油嘴安装孔处的平面度不高,并且焊接在油箱下体内表面油嘴安装孔处的油嘴安装螺母的螺纹孔轴线很难保证与油嘴安装孔处的油箱下体外表面垂直,故在出油嘴旋紧在油嘴安装螺母上后,出油嘴上的密封圈将起不到较好的密封作用,从而使该种结构的汽油机油箱极容易在油嘴安装孔处漏油。
                        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汽油机油箱,以增强油箱出油嘴处的密封性能,防止油箱内的燃油从油嘴安装孔处泄漏。
本实用新型所述的汽油机油箱,包括油箱上体和油箱下体,在油箱下体下部开设有油嘴安装孔,油嘴安装孔处焊接有油嘴安装螺母,油嘴安装螺母焊接在油箱下体的外表面。
本实用新型由于将油嘴安装螺母焊接在油嘴安装孔处的油箱下体外表面,出油嘴旋紧在油嘴安装螺母上后,套装在其上的密封圈将被压紧在出油嘴台阶端面与油嘴安装螺母端面之间,故出油嘴上密封圈的密封效果仅取决于油嘴安装螺母端面的平面度及油嘴安装螺母螺纹孔轴线与油嘴安装螺母端面的垂直度,而与油箱下体外表面在油嘴安装孔处的平面度,以及油嘴安装螺母的螺纹孔轴线与油嘴安装孔处的油箱下体外表面的垂直度无关。由于油嘴安装螺母端面的平面度以及油嘴安装螺母螺纹孔轴线与油嘴安装螺母端面的垂直度在油嘴安装螺母制造时很容易由机械加工保证,从而使出油嘴上的密封圈能够起到很好的密封效果,能够有效地防止油箱内的燃油从油嘴安装孔处泄漏。
                            附图说明
现结合附图对本实用新型作进一步详细说明。
图1为本实用新型所述汽油机油箱的主视示意图;
图2为图1中A-A线的剖视图;
图3为图2中油嘴安装螺母中旋接有出油嘴时的示意图。
                          具体实施方式
如图1、图2和图3所示,该汽油机油箱包括油箱上体1和油箱下体2,在油箱下体2下部开设有油嘴安装孔4,在油嘴安装孔4处的油箱下体2的外表面焊接有油嘴安装螺母3,该油嘴安装螺母3具有一凸台5,凸台5位于油嘴安装孔4中与油嘴安装孔4间隙配合,以利于油嘴安装螺母3在油箱下体2外表面焊接时的定位。油嘴安装螺母3的端面应具有较高的平面度,并且油嘴安装螺母3螺纹孔轴线与油嘴安装螺母3端面应保证有较高的垂直度。
出油嘴6旋紧在油嘴安装螺母3上后,套装在出油嘴6上的密封圈7被压紧在出油嘴6台阶端面与油箱下体2外表面之间,以密封油嘴安装孔4。

Claims (2)

1、一种汽油机油箱,包括油箱上体(1)和油箱下体(2),在油箱下体下部开设有油嘴安装孔(4),油嘴安装孔处焊接有油嘴安装螺母(3),其特征在于:油嘴安装螺母(3)焊接在油箱下体(2)的外表面。
2、根据权利要求1所述的汽油机油箱,其特征在于:所述油嘴安装螺母(3)具有一凸台(5),凸台位于油嘴安装孔(4)中与油嘴安装孔(4)间隙配合。
CN 200520009916 2005-09-07 2005-09-07 汽油机油箱 Expired - Fee Related CN2837539Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520009916 CN2837539Y (zh) 2005-09-07 2005-09-07 汽油机油箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520009916 CN2837539Y (zh) 2005-09-07 2005-09-07 汽油机油箱

Publications (1)

Publication Number Publication Date
CN2837539Y true CN2837539Y (zh) 2006-11-15

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ID=37392024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520009916 Expired - Fee Related CN2837539Y (zh) 2005-09-07 2005-09-07 汽油机油箱

Country Status (1)

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CN (1) CN2837539Y (zh)

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GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CHONGQING ZONGSHEN GENERAL DYNAMICS MACHINERY CO.

Free format text: FORMER OWNER: CHONGQING ZONGSHEN TECHNOLOGY DEVELOPMENT + RESEARCH CO., LTD.

Effective date: 20080314

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20080314

Address after: Banan District, Chongqing oil field, zip code: 400054

Patentee after: Chongqing Zongshen General Power Machine Co., Ltd.

Address before: No. 25 Erlang Road, Chongqing hi tech Development Zone, Shiqiaopu, 400039

Patentee before: Chongqing Zongshen Technology Development & Research Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061115

Termination date: 20140907

EXPY Termination of patent right or utility model