WO2011153835A1 - 发动机组件 - Google Patents

发动机组件 Download PDF

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Publication number
WO2011153835A1
WO2011153835A1 PCT/CN2011/070488 CN2011070488W WO2011153835A1 WO 2011153835 A1 WO2011153835 A1 WO 2011153835A1 CN 2011070488 W CN2011070488 W CN 2011070488W WO 2011153835 A1 WO2011153835 A1 WO 2011153835A1
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WO
WIPO (PCT)
Prior art keywords
oil
mounting surface
engine assembly
sprocket
upper body
Prior art date
Application number
PCT/CN2011/070488
Other languages
English (en)
French (fr)
Inventor
周久生
陆子平
武凤荣
燕重哲
胡国锐
高歌
刘凯
陈志曼
张艳青
Original Assignee
北汽福田汽车股份有限公司
北京智科投资管理有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北汽福田汽车股份有限公司, 北京智科投资管理有限公司 filed Critical 北汽福田汽车股份有限公司
Publication of WO2011153835A1 publication Critical patent/WO2011153835A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles

Definitions

  • the invention relates to an engine assembly. Background technique
  • the design of the oil sump is of a split design, that is, the oil sump includes the upper body of the oil sump and the lower body of the oil sump.
  • the lower part of the oil pan is used for storing the oil
  • the upper part of the oil pan is used as a mounting seat of the oil pump and a cylinder strengthening device.
  • the problem is that the sprocket cover needs to be mounted above the upper body of the oil pan to enclose the oil pump and the sprocket.
  • the inventors of the present invention have found that since there is no extra space above the upper body of the oil pan, if the upper portion of the upper body of the oil pan is flat, the connecting bolt must be connected from the oil when the sprocket cover is connected to the upper body of the oil pan.
  • the inside of the upper body of the bottom case is screwed into the sprocket cover to fix the sprocket cover. Since a member such as a crank pulley is mounted above the upper body of the oil pan, it is also difficult to screw the fastener from the outside of the sprocket cover.
  • an embodiment of the present invention provides an engine assembly including an oil pan, a sprocket chamber cover, and a cylinder block, the oil pan including an oil pan upper body and an oil pan connected to each other a lower body, wherein: an upper portion of the upper body of the oil pan has a first mounting surface that is in sealing engagement with a lower surface of the cylinder, and a second mounting surface that is inclined downward with respect to the first mounting surface, the sprocket The chamber cover has a third mounting surface sealingly engaged with the second mounting surface, the sprocket cover having a front mounting surface of the cylinder body sealingly mating a fourth mounting surface; a fastener is mounted from an outer side of the sprocket chamber cover to fix the sprocket chamber cover to the upper sump body, and The second mounting surface and the third mounting surface are in sealing engagement.
  • the first mounting surface and a lower surface of the cylinder Preferably, between the first mounting surface and a lower surface of the cylinder, between the second mounting surface and the third mounting surface, and the fourth mounting surface and a front end surface of the cylinder Sealed between them through silicone.
  • the second mounting surface and the third mounting surface form a first sealing surface
  • the fourth mounting surface and the front end surface of the cylinder form a second sealing surface
  • the first mounting surface and the cylinder body The lower surface forms a third sealing surface
  • the first sealing surface, the second sealing surface, and the third sealing surface form a Y-shaped cross section.
  • the engine assembly includes an oil pump installed in the sprocket cover, and an inner rotor of the oil pump is driven by a crankshaft of the engine.
  • the engine assembly further includes a sprocket mounted on the crankshaft, the inner rotor of the oil pump mating with the sprocket.
  • the engine assembly further includes an oil collection filter mounted on the upper body of the oil pan and an oil delivery pipe connecting the oil collection filter and the oil pump, the second mounting surface having a first An oil delivery hole, the third mounting surface has a second oil delivery hole sealingly engaged with the first oil delivery hole, and the first oil delivery hole and the second oil delivery hole are sealed and connected by a silicone rubber and a sealing ring
  • the oil pipeline extends through the first oil delivery hole and the second oil delivery hole.
  • the oil pan upper body and the sprocket cover have a first passage and a second passage, respectively, and the oil pipe is formed by butting the first passage and the second passage.
  • a sealing groove for mounting the sealing ring is disposed around the first oil delivery hole or the second oil delivery hole.
  • the sprocket cover and the upper body of the oil pan are sealed by the inclined surface, thereby providing an extra space above the upper body of the oil pan, so as to be connected to the oil pan through the external fastener.
  • the body and sprocket cover are therefore easy to disassemble and maintain.
  • FIG. 1 is a schematic view showing the mounting relationship of an oil pan upper body, a cylinder block and a sprocket cover of an engine assembly according to an embodiment of the present invention
  • Figure 2 is a schematic view showing the mounting relationship of the oil pan upper body, the cylinder block and the sprocket cover of the engine assembly of the embodiment shown in Figure 1;
  • Figure 3 is a partial structural view showing a sprocket cover of the engine assembly of the embodiment shown in Figure 1;
  • Figure 4 is a right side view of Figure 3;
  • Figure 5 is a schematic view showing the structure of the upper body of the oil pan of the engine assembly of the embodiment shown in Figure 1;
  • Fig. 6 is a schematic view showing the oil supply structure of the sprocket chamber cover and the oil pan upper body of the engine unit of the embodiment shown in Fig. 1. Description of the reference numerals
  • orientation words such as “up, down, left, and right” as used herein generally refer to the upper, lower, left, and right as illustrated in the accompanying drawings; "Inside and outside” refers to the inside and outside of the outline of each component itself.
  • the engine assembly includes an oil pan, a sprocket chamber cover 20, and a cylinder block 60.
  • the oil pan includes an oil pan upper body 10 and an oil pan upper body connected to each other, wherein: the upper portion of the oil pan upper body 10 a first mounting surface 11 having a sealing fit with the lower surface of the cylinder block 60, and a second mounting surface 13 inclined downward relative to the first mounting surface 11, the sprocket chamber cover 20 having the second
  • the mounting surface 13 is a sealingly fitted third mounting surface 21 having a fourth mounting surface 23 sealingly engaged with a front end surface of the cylinder 60; mounted from the outside of the sprocket chamber cover 20
  • a fastener 70 is provided to fix the sprocket cover 20 to the sump upper body 10 and to sealingly engage the second mounting surface 13 and the third mounting surface 21.
  • the first mounting surface 11 and the lower surface of the cylinder 60, the second mounting surface 13 and the third mounting surface Between 21 and between the fourth mounting surface 23 and the front end surface of the cylinder 60 are sealed by silicone.
  • the second mounting surface 13 and the third mounting surface 21 may form a first sealing surface 81, and the fourth mounting surface 23 and the front end surface of the cylinder 60 form a second surface.
  • the sealing surface 82, the first mounting surface 11 and the lower surface of the cylinder 60 form a third sealing surface 83, and the first sealing surface 81, the second sealing surface 82 and the third sealing surface 83 form a Y Shape cross section.
  • silica gel may be applied to the lower surface of the first mounting surface 11 and/or the cylinder 60, respectively, so that the oil pan upper body 10 is first sealingly connected to the cylinder block 60 to form a third sealing surface 83.
  • the second mounting surface 13, the third mounting surface 21, and the front end surface of the cylinder 60 may be respectively coated with silica gel, thereby simultaneously completing the sealing connection of the oil pan upper body 10 and the sprocket chamber cover 20, and the sprocket chamber.
  • the sealing connection of the cover 20 and the cylinder block 60 that is, the first sealing surface 81 and the second sealing surface 82 are simultaneously formed. This embodiment can ensure that the oil pan upper body 10, the sprocket cover 20 and the cylinder 60 as a whole form a sealed connection while ensuring a sealed connection between the two joined components through the respective sealing faces.
  • the engine assembly includes an oil pump 30 mounted in the sprocket chamber cover 20, the inner rotor 32 of the oil pump 30 passing through the engine The crankshaft 40 is driven. That is, the oil pump 30 and the sprocket cover 20 may be integrally mounted on the oil pan upper body 10 and the cylinder block 60 as shown in FIG.
  • the oil pump 30 is a rotor type oil pump and includes an outer rotor 31 and an inner rotor 32 that mesh with each other.
  • an outer rotor mounting groove in which the outer rotor 31 is mounted may be formed in the sprocket chamber cover 20, and the outer rotor 31 may be rotatably accommodated in the outer rotor mounting groove during installation so that the outer rotor 31 can be sprocket
  • the inside of the chamber cover 20 rotates.
  • the inner rotor 32 is mounted in the outer rotor 31 in an engaged manner.
  • a rotor cover 33 may be provided on the sprocket cover 20 to enclose the inner rotor 31 and the outer rotor 32.
  • the engine assembly further includes a sprocket 50 mounted on the crankshaft 40 (for example, by a key connection),
  • the inner rotor 32 of the oil pump 30 is engaged with the sprocket 50.
  • the rotation of the crankshaft 40 is transmitted to the inner rotor 31 through the sprocket 50, thereby driving the oil pump 30 to operate.
  • the rotor cover 33 is provided with a through hole for allowing the sprocket 50 mounted on the crankshaft 40 to be inserted and fitted to the inner rotor 32.
  • the through hole should be in sealing engagement with the sprocket 50 so that a chamber for flowing oil can be formed between the sprocket cover 20 and the rotor cover 33.
  • the engine assembly further includes an oil collector filter 90 mounted on the oil pan upper body 10, and an oil pipe connecting the oil collector filter 90 and the oil pump 30,
  • the second mounting surface 13 has a first oil delivery hole 12
  • the third mounting surface 21 has a second oil delivery hole 22 sealingly engaged with the first oil delivery hole 12, the first oil delivery hole 12 and
  • the second oil delivery hole 22 is sealingly connected by a silicone rubber and a sealing ring 71 , and the oil delivery pipe extends through the first oil delivery hole 12 and the second oil delivery hole 22 .
  • the oil pipe and the chamber formed between the outer rotor 31 and the inner rotor 32 communicate with each other.
  • the oil stored in the lower portion of the oil pan is sucked by means of an oil suction device or the like, and is transported from the oil pan through the oil pipe to the oil pump 30 installed in the sprocket cover 20.
  • the first oil delivery hole 12 and the second oil delivery hole 22 can better seal and seal the first oil delivery hole 12 and the second oil delivery hole 22 by using a double sealing arrangement of the silicone rubber and the sealing ring 71 to ensure the machine.
  • the oil pump 30 operates well.
  • the oil delivery pipe may be an actual pipe fitting or a passage connecting the oil collecting filter 90 and the oil pump 30.
  • the oil pan upper body 10 and the sprocket chamber cover 20 may have a first passage and a second passage, respectively, which are formed by abutting the first passage and the second passage. That is, while the sprocket cover 20 is mounted to the upper body 10 of the oil pan (i.e., the first and second passages are butted), the first passage and the second passage can be communicated to form a complete oil feed pipe.
  • the first oil delivery hole 12 or the second oil delivery hole 22 may be A seal groove in which the seal ring 71 is mounted is provided around.
  • a seal groove 14 in which the seal ring 71 is mounted is provided around the first oil feed hole 12.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Description

发动机组件
技术领域
本发明涉及发动机组件。 背景技术
目前, 由于发动机功率越来越高, 零部件强度要求也越来越高, 因此油 底壳设计采用分体设计, 即油底壳包括油底壳上体和油底壳下体。 其中, 油 底壳下体用于存储机油, 油底壳上体作为机油泵的安装座及缸体加强装置。 但与此同时带来的问题是, 需要将链轮室盖安装在油底壳上体的上方, 以封 装机油泵和链轮等部件。 本发明的发明人发现, 由于油底壳上体的上方没有 多余空间, 如果油底壳上体的上部为平面, 则当链轮室盖与油底壳上体连接 时必须使连接螺栓从油底壳上体的内侧旋入链轮室盖来固定链轮室盖。 由于 油底壳上体的上方安装有例如曲轴皮带轮等部件, 因而也很难从链轮室盖外 侧旋入紧固件。 因此, 维修拆卸链轮室盖就必须先将油底壳下体拆卸后才能 拆卸从油底壳上体内侧旋入的连接螺栓, 最后才能完整拆卸链轮室盖, 因而 造成维修不便。 发明内容
本发明所要解决的技术问题是简化发动机组件的结构及其拆卸、 维修。 为了实现上述目的, 本发明的实施方式提供一种发动机组件, 该发动机 组件包括油底壳、 链轮室盖和缸体, 所述油底壳包括相互连接的油底壳上体 和油底壳下体, 其中: 所述油底壳上体的上部具有与所述缸体的下表面密封 配合的第一安装面, 以及相对于该第一安装面向下倾斜的第二安装面, 所述 链轮室盖具有与该第二安装面密封配合的第三安装面,所述链轮室盖具有与 所述缸体的前端面密封配合的第四安装面; 从所述链轮室盖的外侧安装有紧 固件, 以将所述链轮室盖固定于所述油底壳上体, 并使所述第二安装面和所 述第三安装面密封配合。
优选地, 所述第一安装面和所述缸体的下表面之间、 所述第二安装面和 所述第三安装面之间以及所述第四安装面和所述缸体的前端面之间通过硅 胶密封。
优选地, 所述第二安装面和所述第三安装面形成第一密封面, 所述第四 安装面和缸体的前端面形成第二密封面,所述第一安装面和缸体的下表面形 成第三密封面, 所述第一密封面、 所述第二密封面和所述第三密封面形成 Y 形横截面。
优选地,所述发动机组件包括机油泵,该机油泵安装在所述链轮室盖内, 所述机油泵的内转子通过发动机的曲轴驱动。
更优选地, 所述发动机组件还包括链轮, 该链轮安装在所述曲轴上, 所 述机油泵的内转子与所述链轮配合。
优选地, 其中, 所述发动机组件还包括安装在所述油底壳上体上的机油 集滤器和连接所述机油集滤器与所述机油泵的输油管,所述第二安装面上具 有第一输油孔,所述第三安装面上具有与该第一输油孔密封配合的第二输油 孔, 所述第一输油孔和所述第二输油孔通过硅胶和密封圈密封连接, 所述输 油管穿过所述第一输油孔和所述第二输油孔延伸。
更优选地,所述油底壳上体和所述链轮室盖分别具有第一通道和第二通 道, 通过对接该第一通道和第二通道形成所述输油管。
优选地,所述第一输油孔或所述第二输油孔周围设置有安装所述密封圈 的密封槽。
通过上述技术方案, 链轮室盖与油底壳上体通过斜面密封配合, 从而在 油底壳上体的上方提供了额外的空间, 以便于通过外置紧固件连接油底壳上 体和链轮室盖, 因而拆卸、 维修方便。
本发明的实施方式的其他特征和优点将在随后的具体实施方式部分予 以详细说明。 附图说明
附图是用来提供对本发明的实施方式的进一步理解,并且构成说明书的 一部分, 与下面的具体实施方式一起用于解释本发明, 但并不构成对本发明 的限制。 在附图中:
图 1是说明本发明的一种实施方式的发动机组件的油底壳上体、缸体和 链轮室盖的安装关系的结构示意图;
图 2是说明图 1所示的实施方式的发动机组件的油底壳上体、缸体和链 轮室盖的安装关系的结构示意图;
图 3是说明图 1所示的实施方式的发动机组件的链轮室盖的局部结构示 意图;
图 4是图 3的右视图;
图 5是说明图 1所示的实施方式的发动机组件的油底壳上体的结构示意 图;
图 6是说明图 1所示的实施方式的发动机组件的链轮室盖与油底壳上体 的输油结构的示意图。 附图标记说明
10: 油底壳上体
11: 第一安装面 12: 第一输油孔 13: 第二安装面
14: 密封圈安装槽
20: 链轮室盖 21: 第三安装面 22: 第二输油孔 23 : 第四安装面 30: 机油泵
31: 外转子 32: 内转子 33: 转子盖板
40: 曲轴 50: 链轮 60: 缸体
70: 紧固件 71: 密封圈
81: 第一密封面 82: 第二密封面 83: 第三密封面
90: 机油集滤器 具体实施方式
以下结合附图对本发明的具体实施方式进行详细说明。 应当理解的是, 此处所描述的具体实施方式仅用于说明和解释本发明, 并不用于限制本发 明。
在本发明的实施方式的描述中, 在未作相反说明的情况下, 使用的方位 词如 "上、 下、 左、 右"通常是指参考附图所示的上、 下、 左、 右; "内、 外"是指相对于各部件本身的轮廓的内、 夕卜。
发动机组件包括油底壳、 链轮室盖 20和缸体 60, 所述油底壳包括相互 连接的油底壳上体 10和油底壳下体, 其中: 所述油底壳上体 10的上部具有 与所述缸体 60的下表面密封配合的第一安装面 11, 以及相对于该第一安装 面 11向下倾斜的第二安装面 13, 所述链轮室盖 20具有与该第二安装面 13 密封配合的第三安装面 21,所述链轮室盖 20具有与所述缸体 60的前端面密 封配合的第四安装面 23 ; 从所述链轮室盖 20的外侧安装有紧固件 70, 以将 所述链轮室盖 20固定于所述油底壳上体 10,并使所述第二安装面 13和所述 第三安装面 21密封配合。
如图 1和图 2所示, 由于油底壳上体 10通过向下倾斜的第二安装面 13 与链轮室盖 20的第三安装面 21接合, 因而在油底壳上体 10的上方提供了 额外的操作空间, 从而可以从所述链轮室盖 20的外侧安装紧固件 70, 以方 便地从外部进行链轮室盖 20的安装、 拆卸、 维修等操作。
为了保证各安装面之间的密封效果并便于安装, 优选地, 所述第一安装 面 11和所述缸体 60的下表面之间、 所述第二安装面 13和所述第三安装面 21之间以及所述第四安装面 23和所述缸体 60的前端面之间通过硅胶密封。
优选地, 如图 2所示, 可以使所述第二安装面 13和所述第三安装面 21 形成第一密封面 81,所述第四安装面 23和缸体 60的前端面形成第二密封面 82,所述第一安装面 11和缸体 60的下表面形成第三密封面 83,所述第一密 封面 81、 所述第二密封面 82和所述第三密封面 83形成 Y形横截面。
具体地,可以先分别在第一安装面 11和 /或缸体 60的下表面上涂敷硅胶, 从而首先将油底壳上体 10与缸体 60密封连接, 形成第三密封面 83。 然后, 可以分别在第二安装面 13、第三安装面 21以及缸体 60的前端面上涂敷硅胶, 从而同时完成油底壳上体 10和链轮室盖 20的密封连接以及链轮室盖 20和 缸体 60的密封连接, 即同时形成第一密封面 81和第二密封面 82。本实施方 式可以在通过各密封面保证各自接合的两个部件之间密封连接的同时, 确保 油底壳上体 10、 链轮室盖 20和缸体 60作为整体形成密封连接。
优选地, 如图 1、 图 3和图 4所示, 所述发动机组件包括机油泵 30, 该 机油泵 30安装在所述链轮室盖 20内,所述机油泵 30的内转子 32通过发动 机的曲轴 40驱动。 也就是说, 可以将机油泵 30和链轮室盖 20作为整体安 装在油底壳上体 10和缸体 60上, 如图 4所示。 通过将机油泵 30安装在链 轮室盖 20 内, 可以使本发明的实施方式的发动机组件结构更加紧凑, 节省 空间。 其中, 机油泵 30为转子式机油泵, 并包括相互啮合的外转子 31和内 转子 32。具体地,链轮室盖 20内可以形成有安装外转子 31的外转子安装槽, 安装时可以将外转子 31可旋转地容纳在该外转子安装槽内, 从而使外转子 31能够在链轮室盖 20内旋转。 内转子 32以啮合方式安装在外转子 31内。 此外, 可以在链轮室盖 20上设置转子盖板 33, 以封装内转子 31和外转子 32。
另外,为了进一步简化发动机组件的结构并充分利用空间,如图 1所示, 所述发动机组件还包括链轮 50,该链轮 50安装在所述曲轴 40上(例如通过 键连接), 所述机油泵 30的内转子 32与所述链轮 50配合。换言之, 曲轴 40 的旋转通过链轮 50传递给内转子 31, 从而驱动机油泵 30工作。其中, 转子 盖板 33上设置有允许安装在曲轴 40上的链轮 50插入并配合在内转子 32上 的通孔。 该通孔应当与链轮 50密封配合, 从而能够在链轮室盖 20和转子盖 板 33之间形成用于使机油流动的腔室。
如图 5和图 6所示, 所述发动机组件还包括安装在所述油底壳上体 10 上的机油集滤器 90和连接所述机油集滤器 90与所述机油泵 30的输油管, 所述第二安装面 13上具有第一输油孔 12,所述第三安装面 21上具有与该第 一输油孔 12密封配合的第二输油孔 22,所述第一输油孔 12和所述第二输油 孔 22通过硅胶和密封圈 71密封连接, 所述输油管穿过所述第一输油孔 12 和所述第二输油孔 22延伸。 其中, 输油管和形成在外转子 31与内转子 32 之间的腔室连通。使用时,存储在油底壳下体中的机油经吸油器等装置抽吸, 通过输油管从油底壳输送到安装链轮室盖 20中的机油泵 30。第一输油孔 12 和第二输油孔 22通过使用硅胶和密封圈 71的双重密封布置, 可以更好地油 封、 气封第一输油孔 12和第二输油孔 22, 以保证机油泵 30的良好运转。
其中, 所述输油管可以为实际的管件, 也可以是连接机油集滤器 90和 机油泵 30的通道。 例如, 所述油底壳上体 10和所述链轮室盖 20可以分别 具有第一通道和第二通道, 通过对接该第一通道和第二通道形成所述输油 管。 也就是说, 在将链轮室盖 20安装在油底壳上体 10的同时(即对接第一 通道和第二通道), 可以使第一通道和第二通道连通并形成完整的输油管。
为了便于设置密封圈 71, 可以在第一输油孔 12或所述第二输油孔 22 周围设置有安装所述密封圈 71的密封槽。 在图 5所示的实施方式中, 在第 一输油孔 12周围设置有安装密封圈 71的密封槽 14。
以上结合附图详细描述了本发明的优选实施方式, 但是, 本发明并不限 于上述实施方式中的具体细节, 在本发明的技术构思范围内, 可以对本发明 的技术方案进行多种简单变型, 这些简单变型均属于本发明的保护范围。 例 如, 可以将设置在第一输油孔 12周围的密封槽改变为设置在第二输油孔 22 周围。
另外需要说明的是, 在上述具体实施方式中所描述的各个具体技术特 征, 在不矛盾的情况下, 可以通过任何合适的方式进行组合。 为了避免不必 要的重复, 本发明对各种可能的组合方式不再另行说明。
此外, 本发明的各种不同的实施方式之间也可以进行任意组合, 只要其 不违背本发明的思想, 其同样应当视为本发明所公开的内容。

Claims

权利要求书
1、 一种发动机组件, 该发动机组件包括油底壳、 链轮室盖 (20) 和缸 体 (60), 所述油底壳包括相互连接的油底壳上体 (10) 和油底壳下体, 其 特征在于:
所述油底壳上体(10) 的上部具有与所述缸体(60) 的下表面密封配合 的第一安装面 (11), 以及相对于该第一安装面 (11) 向下倾斜的第二安装 面 (13), 所述链轮室盖 (20) 具有与该第二安装面 (13) 密封配合的第三 安装面 (21), 所述链轮室盖 (20) 具有与所述缸体 (60) 的前端面密封配 合的第四安装面 (23); 从所述链轮室盖 (20) 的外侧安装有紧固件 (70), 以将所述链轮室盖 (20) 固定于所述油底壳上体 (10), 并使所述第二安装 面 (13) 和所述第三安装面 (21) 密封配合。
2、 根据权利要求 1所述的发动机组件, 其中, 所述第一安装面 (11) 和所述缸体 (60) 的下表面之间、 所述第二安装面 (13) 和所述第三安装面
(21) 之间以及所述第四安装面 (23) 和所述缸体(60) 的前端面之间通过 硅胶密封。
3、 根据权利要求 2所述的发动机组件, 其中, 所述第二安装面 (13) 和所述第三安装面 (21) 形成第一密封面 (81), 所述第四安装面 (23) 和 缸体 (60) 的前端面形成第二密封面 (82), 所述第一安装面 (11) 和缸体 (60) 的下表面形成第三密封面 (83), 所述第一密封面 (81)、 所述第二密 封面 (82) 和所述第三密封面 (83) 形成 Y形横截面。
4、 根据权利要求 1所述的发动机组件, 其中, 所述发动机组件包括机 油泵(30), 该机油泵(30)安装在所述链轮室盖(20)内, 所述机油泵(30) 的内转子 (32) 通过发动机的曲轴 (40) 驱动。
5、 根据权利要求 4所述的发动机组件, 其中, 所述发动机组件还包括 链轮 (50), 该链轮 (50) 安装在所述曲轴 (40) 上, 所述机油泵 (30) 的 内转子 (32) 与所述链轮 (50) 配合。
6、 根据权利要求 4所述的发动机组件, 其中, 所述发动机组件还包括 安装在所述油底壳上体 (10)上的机油集滤器(90)和连接所述机油集滤器 (90) 与所述机油泵 (30) 的输油管, 所述第二安装面 (13 ) 上具有第一输 油孔 (12), 所述第三安装面 (21 ) 上具有与该第一输油孔 (12) 密封配合 的第二输油孔 (22), 所述第一输油孔 (12) 和所述第二输油孔 (22) 通过 硅胶和密封圈 (71 ) 密封连接, 所述输油管穿过所述第一输油孔 (12) 和所 述第二输油孔 (22) 延伸。
7、 根据权利要求 6所述的发动机组件, 其中, 所述油底壳上体 (10) 和所述链轮室盖 (20)分别具有第一通道和第二通道, 通过对接该第一通道 和第二通道形成所述输油管。
8、根据权利要求 6或 7所述的发动机组件,其中,所述第一输油孔(12) 或所述第二输油孔 (22) 周围设置有安装所述密封圈 (71 ) 的密封槽。
PCT/CN2011/070488 2010-06-10 2011-01-21 发动机组件 WO2011153835A1 (zh)

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