CN2606186Y - 摩托车水冷发动机右曲轴箱盖 - Google Patents

摩托车水冷发动机右曲轴箱盖 Download PDF

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Publication number
CN2606186Y
CN2606186Y CN 03233457 CN03233457U CN2606186Y CN 2606186 Y CN2606186 Y CN 2606186Y CN 03233457 CN03233457 CN 03233457 CN 03233457 U CN03233457 U CN 03233457U CN 2606186 Y CN2606186 Y CN 2606186Y
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water pump
hole
water
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魏正波
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Chongqing Zongshen Engine Manufacturing 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摩托车水冷式发动机的右曲轴箱盖。由盖体及安装固定在盖体上的水泵构成,其中水泵位于盖体上开设的通孔内,该通孔的边缘在盖体内表面上为一圆环状凸台,且该通孔与水泵圆柱壳体间隙配合。该右曲轴箱盖降低了其模具的制造要求和水泵安装孔的机械加工精度要求,极大地降低了右曲轴箱盖的机械加工报废率;安装在箱盖上的水泵单独进行整体装配,便于采用专用工具对轴承、水封、油封进行专业安装,并且在装配后可方便地进行水泵的特性实验,控制水泵叶轮与水泵盖之间的径向和轴向间隙,保证水泵的安装精度,提高水泵工作、密封的可靠性。

Description

摩托车水冷发动机右曲轴箱盖
                         技术领域
本实用新型涉及一种摩托车水冷式发动机的右曲轴箱盖。
                         技术背景
摩托车水冷式发动机的右曲轴箱盖上安装有一水泵,用于发动机的冷却散热。目前在水冷式发动机的具体制造装配过程中,其水泵的安装是在发动机右曲轴箱盖上开设一安装水泵的孔,该孔的边缘在右曲轴箱盖内表面上为一圆柱筒体,该圆柱筒体即作为水泵的壳体,并将水泵的零部件安装在该圆柱筒体内。但由于水泵的零部件如水封、油封、轴承等对安装孔的形状、位置精度要求较高,为了保证水泵的装配精度,就必须对右曲轴箱盖的压铸成型及水泵孔的加工精度作较高的要求,而在实际的制造加工及装配过程中,容易出现由于未能达到加工精度要求而使右曲轴箱盖整体报废,以及在水泵零部件装配过程中容易出现因装配不当而损坏水封、油封的情况,并且由于将水泵的零部件直接装配在右曲轴箱水泵安装孔的圆柱筒体内,其装配操作极为不便,致使生产效率较低,故现有结构的右曲轴箱盖的制造加工及水泵的装配工艺性较差。
                       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摩托车水冷发动机右曲轴箱盖,在满足安装在其上的水泵装配精度要求的前提下,降低右曲轴箱盖的制造加工精度要求,以提高右曲轴箱盖的制造加工以及水泵装配的工艺性。
本实用新型所述的摩托车水冷发动机右曲轴箱盖由盖体及安装固定在盖体上的水泵构成,其中水泵位于盖体上开设的通孔内,该通孔的边缘在盖体内表面上为一圆环状凸台,且该通孔与水泵圆柱壳体间隙配合。
本实用新型所述的摩托车水冷发动机右曲轴箱盖,由于将水泵安装孔边缘在右曲轴箱内表面的圆柱筒体改为圆环状凸台,并且水泵的安装是将已组装好的整体水泵的圆柱体外壳与右曲轴箱盖上的水泵安装孔间隙配合安装在右曲轴箱盖上,从而使本实用新型具有如下优点:1、大大减少了水泵安装孔在右曲轴箱盖内表面的高度尺寸,降低了对右曲轴箱盖模具的制造要求;2、降低了右曲轴箱盖水泵安装孔的机械加工精度要求,极大地降低了右曲轴箱盖的机械加工报废率;3、水泵单独进行整体装配,便于采用专用工具对轴承、水封、油封进行专业安装,并且在装配后可方便地进行水泵的特性实验,控制水泵叶轮与水泵盖之间的径向和轴向间隙,保证水泵的安装精度,提高水泵工作、密封的可靠性。
                         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为本实用新型所述的摩托车水冷发动机右曲轴箱盖的局部剖面示意图;
图2为右曲轴箱盖盖体的主视图;
图3为图2中D-D线的剖视图。
                     具体实施方式
如图1至图3所示,该摩托车水冷发动机右曲轴箱盖由盖体2及安装固定在盖体2上的水泵1构成,其中水1泵位于盖体2上开设的通孔5内,并用螺栓固定在盖体2上,该通孔5的边缘在盖体2内表面上为一高度为15毫米的圆环状凸台3,且该通孔5与水泵1圆柱壳体4间隙配合。

Claims (2)

1、一种摩托车水冷发动机右曲轴箱盖,由盖体(2)及安装固定在盖体(2)上的水泵(1)构成,其中水泵(1)位于盖体(2)上开设的通孔(5)内,其特征在于,该通孔(5)的边缘在盖体内表面上为一圆环状凸台(3),且该通孔(5)与水泵(1)圆柱壳体(4)间隙配合。
2、根据权利要求1所述的摩托车水冷发动机右曲轴箱盖,其特征在于,所述的圆环状凸台(3)的高度为10-25毫米。
CN 03233457 2003-03-05 2003-03-05 摩托车水冷发动机右曲轴箱盖 Expired - Fee Related CN2606186Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052192A (zh) * 2011-01-30 2011-05-11 力帆实业(集团)股份有限公司 一种摩托车发动机右曲轴箱盖

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052192A (zh) * 2011-01-30 2011-05-11 力帆实业(集团)股份有限公司 一种摩托车发动机右曲轴箱盖
CN102052192B (zh) * 2011-01-30 2012-10-31 力帆实业(集团)股份有限公司 一种摩托车发动机右曲轴箱盖

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Owner name: CHONGQING ZONGSHEN ENGINE MANUFACTURE CO., LTD.

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Patentee after: Chongqing Zongshen Engine Manufacturing Co., Ltd.

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

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Granted publication date: 20040310

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