Engine gear chamber, engine and vehicle
阅读说明:本技术 发动机齿轮室、发动机和车辆 (Engine gear chamber, engine and vehicle ) 是由 赵磊 于 2018-08-03 设计创作,主要内容包括:本公开涉及一种发动机齿轮室、发动机和车辆,所述发动机齿轮室包括底壁(11)和立于所述底壁(11)的侧壁(12),以形成用于容纳齿轮的腔室,所述齿轮的端面平行于所述底壁(11),所述侧壁(12)开设有润滑油道,所述润滑油道的第一端用于连接发动机缸体的主油道,第二端形成为用于将机油从径向喷向所述齿轮的开口。通过上述技术方案,来自发动机缸体主油道的润滑油经润滑油道的第一端流入,并最终由第二端流出以进入齿轮室的内腔,第二端的设置能够保证润滑油沿径向滴落在齿轮的啮合齿面上,使齿轮有效润滑。(The utility model relates to an engine gear room, engine and vehicle, engine gear room includes diapire (11) and stands on lateral wall (12) of diapire (11) to form the cavity that is used for holding the gear, the terminal surface of gear is parallel to diapire (11), lubricating oil duct has been seted up to lateral wall (12), lubricating oil duct's first end is used for connecting the main oil gallery of engine cylinder body, and the second end forms and is used for spouting engine oil from radial to the opening of gear. Through the technical scheme, the lubricating oil from the main oil duct of the engine cylinder body flows in through the first end of the lubricating oil duct and finally flows out through the second end to enter the inner cavity of the gear chamber, and the arrangement of the second end can ensure that the lubricating oil drops on the meshing tooth surface of the gear along the radial direction, so that the gear is effectively lubricated.)
1. An engine gear chamber is characterized by comprising a bottom wall (11) and a side wall (12) standing on the bottom wall (11) to form a chamber for containing a gear, wherein the end face of the gear is parallel to the bottom wall (11), the side wall (12) is provided with a lubricating oil channel, the first end of the lubricating oil channel is used for connecting a main oil channel of an engine cylinder body, and the second end of the lubricating oil channel is formed into an opening for spraying engine oil to the gear from the radial direction.
2. The engine gear chamber according to claim 1, characterized in that the side wall (12) has a thickening that divides the chamber into a first chamber and a second chamber that communicate with each other, the oil passage being formed on the thickening, and the second end being directed towards the first chamber and/or the second chamber.
3. The engine gear chamber according to claim 2, characterized in that the lubricating oil passage includes a first hole passage (121) and a second hole passage (122) communicating with each other, the first hole passage (121) communicating with the main oil passage, the second hole passage (122) opening toward the first chamber.
4. The engine gear chamber according to claim 3, characterized in that a third bore (123) is formed between the first bore (121) and the second bore (122), the third bore (123) being coaxial with the first bore (121), and the third bore (123) having a diameter smaller than the diameter of the first bore (121).
5. The engine gear chamber according to claim 3, characterized in that said thickening opens, outside the end of said first duct (121), an annular groove (124) for housing a sealing ring.
6. The engine gear chamber according to claim 2, characterized in that a connecting plate (13) for mounting an idler gear (103) is connected to the side wall (12), the connecting plate (13) is parallel to the bottom wall (11), and the bottom wall (11) is provided with a through hole (111) for mounting the idler gear (103).
7. The engine gear chamber according to claim 2, characterized in that the side wall (12) is provided with a plurality of ear seats (125) for mounting a compression pump at the location of the second chamber.
8. The engine gear chamber according to any one of claims 1 to 7, characterized in that the back of the bottom wall (11) is formed with an oil seal seat (112) for mounting a crankshaft oil seal.
9. An engine comprising a block and a gear chamber mounted to the block, wherein the gear chamber is an engine gear chamber according to any one of claims 1 to 8.
10. A vehicle characterized by comprising the engine of claim 9.
Technical Field
The disclosure relates to the technical field of engines, in particular to an engine gear chamber, an engine and a vehicle.
Background
In an engine, a gear pair is generally provided to transmit power, and the gear pair is accommodated in a gear chamber, and in order to reduce friction between gears, the gears in the gear chamber need to be lubricated. In the prior art, engine oil driven by a crankshaft or a balance shaft when rotating splashes into a gear chamber to lubricate a gear, and because the motion direction of the engine oil is uncertain and the engine oil can only splash to a gear side, part of the gear cannot be lubricated, and the gear is seriously abraded. If forced lubrication is adopted, most auxiliary oil ways need to be arranged, the sealing risk is higher as the oil ways are more, the oil way accessories also need to be glued and sealed, and the glue cost is increased.
Disclosure of Invention
An object of the present disclosure is to provide an engine gear chamber that can effectively solve the problem of poor gear lubrication effect.
Another object of the present disclosure is to provide an engine configured with the engine gear chamber provided by the present disclosure.
It is a further object of the present disclosure to provide a vehicle configured with the engine provided by the present disclosure.
In order to achieve the above object, the present disclosure provides an engine gear chamber, including a bottom wall and a side wall standing on the bottom wall to form a cavity for accommodating a gear, an end surface of the gear is parallel to the bottom wall, the side wall is opened with a lubricating oil passage, a first end of the lubricating oil passage is used for connecting a main oil passage of an engine block, and a second end of the lubricating oil passage is formed as an opening for radially spraying engine oil to the gear.
Optionally, the side wall has a thickened portion that divides the chamber into a first chamber and a second chamber that communicate with each other, the oil passage is formed on the thickened portion, and the second end faces the first chamber and/or the second chamber.
Optionally, the lubricating oil passage includes a first hole passage and a second hole passage that are communicated with each other, the first hole passage is communicated with the main oil passage, and the second hole passage opens toward the first chamber.
Optionally, a third hole is formed between the first hole and the second hole, the third hole is coaxial with the first hole, and the diameter of the third hole is smaller than that of the first hole.
Optionally, the thickened portion is provided with an annular groove for accommodating a sealing ring on the outer side of the end portion of the first duct.
Optionally, a connecting plate for mounting an idler wheel is connected to the side wall, the connecting plate is parallel to the bottom wall, and a through hole for mounting the idler wheel is formed in the bottom wall.
Optionally, the side wall is provided with a plurality of ear seats for mounting the compressed air pump at the position of the second chamber.
Optionally, an oil seal seat for mounting a crankshaft oil seal is formed on the back of the bottom wall.
According to a second aspect of the present disclosure, there is provided an engine comprising a cylinder block and a gear chamber mounted to the cylinder block, the gear chamber being the engine gear chamber described above.
According to a third aspect of the present disclosure, a vehicle is provided, which includes the engine described above.
Through the technical scheme, the lubricating oil from the main oil duct of the engine cylinder body flows in through the first end of the lubricating oil duct and finally flows out through the second end to enter the inner cavity of the gear chamber, and the arrangement of the second end can ensure that the lubricating oil drops on the meshing tooth surface of the gear along the radial direction, so that the gear is effectively lubricated.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic illustration of a structure of an engine gear chamber provided by an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic illustration of another angular configuration of the gear chamber of the engine shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a schematic view of the engine shown in FIG. 1 with a gear mounted in the gear chamber;
fig. 5 is a rear view of the engine gear chamber shown in fig. 1.
Description of the reference numerals
11 bottom wall 12 side wall
13 connecting plate 111 via
112 oil seal seat 113 reinforcing rib
114 oil
122 second port 123 third port
124
126
131 sealing groove 132 fixing hole
101
103
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, in the case where an orientation word such as "inner" and "outer" is used without being specified to the contrary, the "bottom wall" in the present disclosure is defined as a direction made for convenience of description, and referring to fig. 4, the gear chamber is formed in a groove-shaped structure having an opening to accommodate the gear, a groove bottom of the groove-shaped structure is the bottom wall described above, and a back of the bottom wall means an opposite side thereof for mounting the gear. Furthermore, the terms "first," "second," and the like, as used in this disclosure, are intended to distinguish one element from another, and not necessarily for order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
Referring to fig. 1, the present disclosure provides an engine gear chamber, which includes a
Therefore, lubricating oil from the main oil duct of the engine cylinder body flows in through the first end of the lubricating oil duct and finally flows out from the second end to enter the inner cavity of the gear chamber, the second end is the outlet end of the lubricating oil duct, the lubricating oil duct where the second end is located can extend in parallel to the
Specifically, referring to fig. 1, the side wall 12 may have a thickened portion that divides the chamber into a first chamber and a second chamber that communicate with each other, gears in the first chamber and the second chamber are engaged with each other at the communication, a lubricating oil passage is formed on the thickened portion, and the second end faces the first chamber and/or the second chamber. The thickness of the side wall 12 is not excessively large in order to reduce the overall weight of the engine, but a partial section of the side wall 12 may be thickened appropriately to form a thickened portion in order to provide a space for the lubricating oil gallery. In one embodiment of the present disclosure, according to the structural requirements of the gear chamber, when the gear chamber is mounted on the engine block, the first chamber and the second chamber are close to an up-down position relationship, the first chamber is located below the second chamber, the lubricating oil passage is located between the first chamber and the second chamber, in order to enable the lubricating oil to be in a natural flow state under self-gravity in the lubricating oil passage, the second end of the lubricating oil passage can face the first chamber, and the gears located in the second chamber are lubricated through corresponding gear meshing transmission. In another embodiment of the present disclosure, the second end of the lubricating oil passage may face the second chamber, so that the lubricating oil entering the lubricating oil passage may flow to the second chamber by the oil pressure of the main oil passage on the premise that the first chamber and the second chamber have the vertical position relationship, and the gear located in the first chamber may be lubricated by the corresponding gear meshing transmission. Of course, in yet another embodiment of the present disclosure, the second end of the oil passage may also face both the first chamber and the second chamber, which may be achieved by providing a plurality of second ends extending parallel to the bottom wall. It should be noted that the orientation of the second end is not only determined, but may be changed according to the actual structure of the gear chamber, and the disclosure is not limited thereto, and the following detailed description will take the example that the second end of the lubricating oil passage faces the first chamber.
Further, referring to fig. 1 and 2, the lubricating oil passage may include a
Further, as shown in fig. 3, a third port hole 123 may be formed between the
In addition, the
The gears included in the engine gear chamber may be different according to actual requirements, and in the embodiment of the present disclosure, referring to fig. 4, a
Referring to fig. 1, a
In addition, referring to fig. 1, 3 and 4, the connecting
According to the specific embodiment provided by the present disclosure, referring to fig. 1, 4 and 5, the portion of the side wall 12 located in the second chamber may be provided with a plurality of
In addition, as shown in fig. 1, 4 and 5, the side wall 12 may be further provided with a plurality of first mounting
To further ensure the structural strength of the gear chamber, as shown in fig. 5, the back of the
Referring to fig. 5, in the present embodiment, an oil seal seat 112 for mounting a crankshaft oil seal may be formed at a back portion of the
In conclusion, the engine gear chamber that this disclosure provided not only is provided with the lubricated oil duct that can carry out force-feed lubrication to the gear, but also highly integrates oil seal seat 112, idler installing support and compression pump installing support in an organic whole, has reduced the quantity of engine spare part for production efficiency provides the guarantee for the reliability of engine. In order to further reduce the production cost, the engine gear chamber can be integrally formed, for example, the engine gear chamber can be integrally cast.
The present disclosure also provides an engine and a vehicle equipped with the engine, wherein the engine comprises a cylinder block and a gear chamber mounted on the cylinder block, and the gear chamber is the engine gear chamber. The engine and the vehicle have all the advantages of the engine gear chamber, and the detailed description is omitted.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
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