WO2009132506A1 - 一种发动机的齿轮室盖 - Google Patents
一种发动机的齿轮室盖 Download PDFInfo
- Publication number
- WO2009132506A1 WO2009132506A1 PCT/CN2009/000187 CN2009000187W WO2009132506A1 WO 2009132506 A1 WO2009132506 A1 WO 2009132506A1 CN 2009000187 W CN2009000187 W CN 2009000187W WO 2009132506 A1 WO2009132506 A1 WO 2009132506A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gear chamber
- chamber cover
- gear
- cover body
- oil passage
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/026—Gear drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/04—Reducing noise
Definitions
- the present invention relates to a gear chamber cover for an engine, in particular for sealing a gear chamber.
- the engine gear chamber cover only considers how to seal the gear chamber, so that the oil in the engine does not leak to the outside of the engine; its shape depends on the gear arrangement, and other requirements are rarely considered, so the structure is also simple.
- the engine gear chamber cover of this structure cannot easily replace the fuel injection pump, and adjusts the fuel supply advance angle and the oil pressure, and does not reduce the noise and vibration in the gear chamber. Summary of the invention
- the object of the present invention is to overcome the above-mentioned deficiencies, thereby providing a gear chamber cover for facilitating the replacement of the fuel injection pump, facilitating the adjustment of the fuel supply advance angle and the oil pressure, and reducing the noise and vibration in the gear chamber. .
- the invention comprises a gear chamber cover body, characterized in that a plunger, a spring and a screw plug are sequentially installed in a main oil passage of the gear chamber cover body, and the plunger is loaded from a main oil passage on a side of the gear chamber cover body, and the spring is inserted into the plunger, the hole The mouth is sealed with a screw plug.
- a plurality of oil discharge holes are disposed on the oil passage on the side of the gear chamber cover body.
- An injection pump adjustment hole is disposed on an end surface of the gear chamber cover body at a corresponding position where the fuel injection pump gear is mounted.
- a sensor mounting hole is disposed on the outer wall of the gear chamber cover that is concentric with the camshaft gear or the fuel injection pump gear.
- the inner and outer sides of the gear chamber cover are provided with reinforcing ribs concentric with the crank gear, the idle gear, the fuel pump gear, and the cam shaft gear, and the ribs radiating outward from the center of the gear chamber cover, which increases the strength of the gear chamber cover.
- a vertical rib on the vertical axis of the crankshaft shaft end protruding hole corresponds to the top dead center mark on the pulley, which provides convenience for the maintenance of the machine.
- the invention has the advantages of simple structure, compactness and reasonableness; since the pressure regulating valve is installed in the main oil passage on the side of the gear chamber cover body, the oil pressure in the main oil passage of the engine can be conveniently adjusted outside; since the fuel pump is opened around the shaft hole of the fuel injection pump The large through hole is sealed by the cover plate. After opening, it is convenient to adjust the oil supply advance angle or replace the fuel injection pump, and reduce the noise and vibration in the gear chamber; the teeth of the camshaft timing gear A small hole is formed in the outer wall surface of the wheel house cover, and the electromagnetic contact can be installed to detect the engine speed or determine the position of the dead point; the overall structure of the engine is simplified, the strength of the gear chamber cover is increased, and the gear noise in the gear chamber is reduced. And the external vibration of the gear train provides convenience for daily maintenance of the whole machine.
- FIG. 1 is a schematic view showing the installation structure of a gear chamber cover of the present invention.
- FIG. 2 is a schematic view showing the inner structure of the gear chamber cover of the present invention.
- Figure 3 is a schematic view showing the outer structure of the gear chamber cover of the present invention.
- Figure 4 is a schematic view showing the adjustment hole of the gear chamber cover fuel injection pump of the present invention.
- Figure 5 is a schematic view showing the installation of the oil pressure regulator of the gear chamber cover of the present invention.
- Figure 6 is a schematic view showing the installation of the gear cover rotation speed sensor of the present invention.
- the body gear train 1 to 6 including the body gear train 1, the gear chamber cover 2, the fuel pump cover gasket 3, the fuel injection pump cover 4, the crank pulley 5, the oil pressure limiting valve 6;
- the body gear train 1 Mainly composed of a crank gear la, an idle gear lb, a camshaft gear lc, and a fuel injection pump gear Id;
- the oil pressure limiting valve 6 is mainly composed of a pressure limiting valve plunger 6a, a pressure limiting valve spring 6b, a pressure limiting valve screw plug 6c, and the like.
- An oil pump adjusting hole 12, a bolt 13, a fastening bolt 14, a main oil passage 15, and an oil discharge hole 16 are provided in the body gear housing cover 2.
- the gear chamber cover 2 is placed on the body gear train 1 for sealing the engine body gear train 1.
- the fuel pump housing cover 2 is provided with a fuel injection pump adjustment hole 12, a bolt 13, a fastening bolt 14, a main oil passage 15, an oil discharge hole 16, and a sensor 17.
- the organic oil pump 18, the oil pressure limit pressure 6, the fuel injection pump cover 4, the engine speed sensor 17, and the like are mounted on the gear chamber cover 2.
- the inner and outer sides of the gear chamber cover 2 are provided with reinforcing ribs concentric with the crank gear la, the idle gear lb, the fuel injection pump gear lc, and the cam gear Id, and the ribs radially outwardly radiating.
- the strength of the gear chamber cover 2 is increased, the noise of the body gear train 1 is reduced, and the external resonance of the body gear train 1 is reduced, and at the same time, the crankshaft shaft end protrudes from the vertical axis of the hole 11 outside the gear chamber cover 2
- a long rib 9 is provided corresponding to the top dead center mark 7 on the crank pulley 5, which facilitates the maintenance of the machine.
- the gear chamber cover 2 is provided with a fuel injection pump adjusting hole 12 at a corresponding position where the fuel injection pump gear Id is mounted, and the position of the mounting bolt 13 having a larger hole diameter than the fuel injection pump gear Id is passed through the fuel injection pump cover.
- the gasket 3 and the fuel injection pump cover 4 are sealed.
- the fuel injection advance angle only a few fastening bolts 14 on the fuel pump cover 4 are removed, and the fuel injection pump cover 4 and the fuel injection pump cover gasket are removed.
- the fuel injection advance angle can be conveniently adjusted.
- the fuel pump cover gasket 3, the fuel injection pump cover 4, and the lock bolt 14 are reinstalled, and the gear chamber cover 2 can be sealed.
- an oil pressure limiting valve 6 composed of a plunger 6a, a spring 6b, and a screw plug 6c is attached to the main oil passage 15 of the gear chamber cover 2, and a plurality of unloadings are provided on the main oil passage 15.
- the oil hole 16, the oil pressure limiting valve 6 is installed from the outside of the gear chamber cover 2 into the main oil passage 15, firstly loading the plunger 6a from the main oil passage 15 on the side of the gear chamber cover 2, and then placing the spring 6b
- the plunger 6a is inserted, and the orifice is sealed with a screw plug 6c.
- the oil pressure can be adjusted by removing the orifice screw plug 6c and easily replacing the spring 6b.
- a rotation speed sensor mounting hole 10 is provided to mount a sensor for detecting the engine speed or the stop position.
- Electronic control When the sensor 17 is not installed, the gear chamber cover can be sealed without machining or plugging the sensor mounting hole 10 with a screw plug.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Rotary Pumps (AREA)
Description
一种发动机的齿轮室盖
技术领域
本发明涉及一种发动机的齿轮室盖， 具体地说用于密封齿轮室。
背景技术
在已有技术中， 发动机齿轮室盖仅考虑如何密封齿轮室， 不让发动机内 的机油渗漏到发动机的外部；其形状根据齿轮布置而定，很少考虑其它要求， 故结构也很简单。 但该种结构的发动机齿轮室盖不能方便的更换喷油泵， 以 及调节供油提前角和机油压力， 而且也不能降低齿轮室内的噪声和震动。 发明内容
本发明的目的在于克服上述不足之处， 从而提供一种能方便喷油泵的更 换， 便于供油提前角和机油压力的调节， 且可降低齿轮室内的噪声和震动的 —种发动机的齿轮室盖。
.本发明的主要解决方案是这样实现的：
本发明包括齿轮室盖体， 特征是在齿轮室盖体主油道内依次安装柱塞、 弹簧、 螺塞， 柱塞从齿轮室盖体侧面的主油道装入， 弹簧放入柱塞， 孔口用 螺塞封住。 所述的齿轮室盖体侧面的油道上设置了若干个卸油孔。
所述的齿轮室盖体端面上在安装喷油泵齿轮的对应位置设置有喷油泵调 节孔。 所述的齿轮室盖体上与凸轮轴齿轮或喷油泵齿轮同心的外壁上， 设置 有传感器安装孔。
所述的齿轮室盖体内外侧设置有与曲轴齿轮、 惰齿轮、 喷油泵齿轮、 凸 轮轴齿轮同心圆的加强筋和圆心向外放射形的加强筋， 增加了齿轮室盖的强 度。 所述的在齿轮室盖体外侧， 曲轴轴端伸出孔的垂直轴线上设置有一条 长筋与皮带轮上的上止点标记相对应， 为机器的维修提供了方便。
本发明与已有技术相比具有以下优点：
本发明结构简单、 紧凑， 合理； 由于在齿轮室盖体侧面主油道内安装调 压阀后， 在外部可方便的调节发动机主油道中的机油压力； 由于在喷油泵轴 头孔周围开了较大的通孔， 用盖板封住， 打开后， 可很方便调节供油提前角 或更换喷油泵， 并能降低齿轮室内的噪声和震动； 正对凸轮轴正时齿轮的齿
轮室盖外缘壁面上开有一个小孔， 可安装电磁触头， 检测发动机转速或判别 止点位置； 简化了发动机的总体结构， 增加了齿轮室盖的强度， 降低了齿轮 室内的齿轮噪音和齿轮系对外的振动， 为整机日常维护提供方便。
附图说明
图 1为本发明齿轮室盖安装结构示意图。
图 2为本发明齿轮室盖内侧结构示意图。
图 3为本发明齿轮室盖外侧结构示意图。
图 4为本发明齿轮室盖喷油泵调节孔示意图。
.图 5为本发明齿轮室盖机油压力调节器安装示意图。
图 6为本发明齿轮室盖转速传感器安装示意图。
具体实施方式
下面本发明将结合附图中的实施例作进一步描述:
图 1〜图 6所示， 包括机体齿轮系 1、 齿轮室盖体 2、 喷油泵盖板垫片 3、 喷油泵盖板 4、 曲轴皮带轮 5、 机油压力限压阀 6; 其中机体齿轮系 1主要由 曲轴齿轮 la、 惰齿轮 lb、 凸轮轴齿轮 lc、 喷油泵齿轮 Id组成； 机油压力限 压阀 6主要由限压阀柱塞 6a、 限压阀弹簧 6b、 限压阀螺塞 6c等。 在机体齿 轮室盖体 2上设置有油泵调节孔 12、 螺栓 13、 紧固螺栓 14、 主油道 15、 卸 油孔 16。
本发明使用时将齿轮室盖体 2盖在机体齿轮系 1上， 用于密封发动机机 体齿轮系 1。在机体齿轮室盖体 2上设置有喷油泵调节孔 12、 螺栓 13、 紧固 螺栓 14、 主油道 15、 卸油孔 16、 传感器 17。 在齿轮室盖体 2上安装有机油 泵 18、 机油压力限压阔 6、 喷油泵盖板 4、 发动机转速传感器 17等。
如图 2〜3所示， 齿轮室盖体 2内外侧设置了与曲轴齿轮 la、 惰齿轮 lb、 喷油泵齿轮 lc、凸轮轴齿轮 Id同心圆的加强筋和圆心向外放射形的加强筋 8, 增加了齿轮室盖体 2的强度， 降低了机体齿轮系 1的噪音， 减小了机体齿轮 系 1对外的谐振， 同时在齿轮室盖体 2外侧， 曲轴轴端伸出孔 11的垂直轴线 上设置一条长筋 9与曲轴皮带轮 5上的上止点标记 7相对应， 为机器的维修 提供了方便。
如图 4所示， 齿轮室盖体 2在安装喷油泵齿轮 Id的对应位置设置了一喷 油泵调节孔 12, 孔径大于喷油泵齿轮 Id的安装螺栓 13位置， 通过喷油泵盖
板垫片 3、 喷油泵盖板 4密封， 调节喷油提前角时， 只需拆下喷油泵盖板 4 上的若干个紧固螺栓 14， 取下喷油泵盖板 4、 喷油泵盖板垫片 3， 就可方便 的调节喷油提前角，维修结束后，重新装上喷油泵盖板垫片 3、喷油泵盖板 4, 锁紧螺栓 14， 即可密封齿轮室盖体 2。
如图 5所示， 在齿轮室盖体 2主油道 15上安装由柱塞 6a、 弹簧 6b、 螺 塞 6c组成的机油压力限压阀 6,同时在主油道 15上设置了若干个卸油孔 16， 机油压力限压阀 6采用从齿轮室盖体 2外部装入主油道 15, 首先将柱塞 6a 从齿轮室盖体 2侧面的主油道 15装入， 接着将弹簧 6b放入柱塞 6a， 孔口用 螺塞 6c封住。可通过拆卸孔口螺塞 6c,方便的更换弹簧 6b来调整机油压力。
如图 6所示， 在齿轮室盖体 2上， 与凸轮轴齿轮 lc或喷油泵齿轮 Id同 心的外壁上，设置一转速传感器安装孔 10安装传感器，用于检测发动机转速 或止点位置， 实现电控； 当不装传感器 17 ·时， 不加工或用螺塞封堵传感器安 装孔 10即可实现齿轮室盖的密封。
Claims
1、一种发动机的齿轮室盖， 包括齿轮室盖体（2)， 其特征是在齿轮室盖 体 （2) 主油道 （15) 内依次安装柱塞 （6a)、 弹簧 （6b)、 螺塞 （6c)， 柱塞
( 6a)从齿轮室盖体（2)侧面的主油道（ 15)装入，弹簧（6b)放入柱塞（6a)， 孔口用螺塞 （6c) 封住。
2、根据权利要求 1所述的一种发动机的齿轮室盖，其特征在于所述的主 油道 （15) 上设置了若干个卸油孔 （16)。
3、根据权利要求 1所述的一种发动机的齿轮室盖，其特征在于所述的齿 轮室盖体 （2) 端面上设置有喷油泵调节孔 （12)。
4、根据权利要求 1或 3所述的一种发动机的齿轮室盖，其特征在于所述 的齿轮室盖体 （2) 上设置有传感器安装孔 （10)。
5、根据权利要求 1或 4所述的一种发动机的齿轮室盖，其特征在于所述 的齿轮室盖体 （2) 内外侧设置有加强筋 （8)。
6、 根据权利要求 1所述的一种发动机的齿轮室盖， 其特征在于所述的 齿轮室盖体 （2) 外侧设置有长筋 （9) 与皮带轮 （5) 上的上止点标记 （7) 相对应。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810025280.6 | 2008-04-30 | ||
| CNA2008100252806A CN101280735A (zh) | 2008-04-30 | 2008-04-30 | 一种发动机的齿轮室盖 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009132506A1 true WO2009132506A1 (zh) | 2009-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2009/000187 WO2009132506A1 (zh) | 2008-04-30 | 2009-02-23 | 一种发动机的齿轮室盖 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101280735A (zh) |
| WO (1) | WO2009132506A1 (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280735A (zh) * | 2008-04-30 | 2008-10-08 | 无锡开普机械有限公司 | 一种发动机的齿轮室盖 |
| CN101963110B (zh) * | 2010-10-31 | 2012-10-31 | 无锡开普动力有限公司 | 一种柴油机的齿轮室结构 |
| CN102155328A (zh) * | 2011-04-21 | 2011-08-17 | 北京中清能发动机技术有限公司 | 内燃机的齿轮室盖、机体总成及其内燃机 |
| CN102251874A (zh) * | 2011-06-20 | 2011-11-23 | 昆明瑞尔机电科技有限公司 | 单缸柴油机齿轮室盖 |
| CN102748157A (zh) * | 2012-06-14 | 2012-10-24 | 东风朝阳朝柴动力有限公司 | 可带有电机支架和齿轮传动压气泵的齿轮室 |
| CN102966408A (zh) * | 2012-11-05 | 2013-03-13 | 浙江新柴股份有限公司 | 活塞式机油限压阀装置 |
| CN106443044A (zh) * | 2016-11-08 | 2017-02-22 | 天津雷沃发动机有限公司 | 发动机用转速信号传感器安装结构 |
| CN106837593B (zh) * | 2017-02-28 | 2019-07-23 | 无锡沃尔福汽车技术有限公司 | 一种集成机油泵的多功能链轮室 |
| CN107884592A (zh) * | 2017-12-05 | 2018-04-06 | 广西玉柴机器股份有限公司 | 可变曲轴转速传感器相位装置 |
| CN108979896A (zh) * | 2018-09-04 | 2018-12-11 | 江苏农华智慧农业科技股份有限公司 | 一种共轨柴油机齿轮室盖 |
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- 2008-04-30 CN CNA2008100252806A patent/CN101280735A/zh active Pending
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2009
- 2009-02-23 WO PCT/CN2009/000187 patent/WO2009132506A1/zh active Application Filing
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| JP2003097236A (ja) * | 2001-09-25 | 2003-04-03 | Yanmar Co Ltd | エンジンの潤滑装置 |
| JP2006250104A (ja) * | 2005-03-14 | 2006-09-21 | Kubota Corp | エンジン |
| CN2866838Y (zh) * | 2006-01-24 | 2007-02-07 | 潍柴动力股份有限公司 | 一种柴油机机油泵 |
| CN1865680A (zh) * | 2006-04-30 | 2006-11-22 | 无锡开普动力有限公司 | 发动机喷油泵供油调整机构 |
| CN201041119Y (zh) * | 2007-05-09 | 2008-03-26 | 无锡开普动力有限公司 | 发动机喷油泵安装调整装置 |
| CN101270681A (zh) * | 2008-04-30 | 2008-09-24 | 无锡开普机械有限公司 | 一种发动机机油限压阀 |
| CN101280735A (zh) * | 2008-04-30 | 2008-10-08 | 无锡开普机械有限公司 | 一种发动机的齿轮室盖 |
| CN101294504A (zh) * | 2008-04-30 | 2008-10-29 | 无锡开普机械有限公司 | 一种发动机限压阀排油通气装置 |
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| CN101280735A (zh) | 2008-10-08 |
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