CN108757089B - Multifunctional idler gear shaft device - Google Patents
Multifunctional idler gear shaft device Download PDFInfo
- Publication number
- CN108757089B CN108757089B CN201810859857.7A CN201810859857A CN108757089B CN 108757089 B CN108757089 B CN 108757089B CN 201810859857 A CN201810859857 A CN 201810859857A CN 108757089 B CN108757089 B CN 108757089B
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- Prior art keywords
- oil
- gear shaft
- idler gear
- cavity
- distributing hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a multifunctional idler gear shaft device which is arranged on the end face of a cylinder body. The first oil passage is vertically arranged at the upper part of the end surface of the cylinder block; the first oil distributing hole is arranged at the lower end of the first oil duct and is communicated with the first oil duct; the second oil distributing hole is arranged on the end face of the cylinder body and is positioned obliquely below the first oil distributing hole; the first idler gear shaft is arranged on the end face of the cylinder body and is covered with a first oil distributing hole and a second oil distributing hole; the second oil duct is vertically arranged in the middle of the end face of the cylinder body, and the upper end of the second oil duct is communicated with the second oil distributing hole; the third oil distributing hole is arranged at the lower end of the second oil duct and is communicated with the second oil duct; the second idler gear shaft is arranged on the end face of the cylinder body and is covered with a third oil distributing hole. The multifunctional idler gear shaft device can realize forced lubrication of the idler gear shaft.
Description
Technical Field
The invention relates to the field of internal combustion engines, in particular to a multifunctional idler gear shaft device capable of being forced to lubricate.
Background
Under the condition that the load of an engine idler gear is large, forced lubrication is needed, splash and oil mist lubrication cannot meet the requirements, in general, the idler gear shaft is designed on an oil duct, lubricating oil is introduced into the idler gear shaft through a machining oil hole to lubricate the gear, the disadvantage of the design is that the idler gear can only be designed on the oil hole, and if machining is difficult or the oil duct is difficult to arrange, an external oil pipe can only be adopted to lubricate the gear and the idler gear shaft. Meanwhile, a platform is required to be opened at the oil hole of the traditional idler gear, so that lubricating oil can enter a gap between the idler gear shaft and the gear as soon as possible when the engine is started, and abnormal abrasion caused by insufficient lubrication at the matching position of the idler gear shaft and the gear hole is prevented.
As shown in fig. 4, fig. 4 is a schematic layout view of an idler shaft according to the related art. The first oil passage 101 of the prior art can only supply lubrication to the first idler shaft of the prior art, and the lubricating oil cannot directly reach the second oil passage 102 of the prior art from the first oil passage 101 of the prior art, and a third oil passage 103 of the prior art must be opened to supply oil to the second oil passage 102 of the prior art, so that the second oil passage 102 of the prior art can supply oil to the second idler shaft of the prior art for lubrication.
The defects of the prior art are: the idler shaft can only be designed on the oil duct, when the oil taking port of the idler shaft cannot be arranged on the oil duct due to machining limitation or gear arrangement limitation, the idler shaft cannot conduct forced lubrication by oil, and oil taking lubrication is needed by adopting an external pipeline method, so that the cost is increased, and the overall layout of the engine is also influenced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a multifunctional idler gear shaft device which can completely overcome the defects in the prior art, realize forced lubrication, and is simple in structure and convenient to manufacture.
In order to achieve the above object, the present invention provides a multifunctional idler gear shaft device, which is disposed on an end surface of a cylinder block, and the multifunctional idler gear shaft device includes a first oil duct, a first oil distribution hole, a second oil distribution hole, a first idler gear shaft, a second oil duct, a third oil distribution hole, and a second idler gear shaft. The first oil passage is vertically arranged at the upper part of the end surface of the cylinder block; the first oil distributing hole is arranged at the lower end of the first oil duct and is communicated with the first oil duct; the second oil distributing hole is arranged on the end face of the cylinder body and is positioned obliquely below the first oil distributing hole; the first idler gear shaft is arranged on the end face of the cylinder body and is covered with a first oil distributing hole and a second oil distributing hole; the second oil duct is vertically arranged in the middle of the end face of the cylinder body, and the upper end of the second oil duct is communicated with the second oil distributing hole; the third oil distributing hole is arranged at the lower end of the second oil duct and is communicated with the second oil duct; the second idler gear shaft is arranged on the end face of the cylinder body and is covered with a third oil distributing hole.
In a preferred embodiment, the first idler shaft includes a first cavity and a first sealing band. The first cavity is annular groove-shaped and is annularly arranged on the mounting surface of the first idler gear shaft; the first sealing belt is arranged outside the first cavity in a surrounding mode and is used for connecting and sealing the mounting surface of the first idler gear shaft and the end face of the cylinder body; wherein the first oil distributing hole and the second oil distributing hole are communicated with the first cavity.
In a preferred embodiment, the second idler shaft includes a second cavity and a second sealing band. The second cavity is annular groove-shaped and is annularly arranged on the mounting surface of the second idler gear shaft; the second sealing belt is arranged outside the second cavity in a surrounding mode and is used for connecting and sealing the mounting surface of the second idler gear shaft and the end face of the cylinder body; wherein the third oil distributing hole is communicated with the second cavity.
In a preferred embodiment, the lubricating oil can reach the second cavity through the first oil passage, the first oil distribution hole, the first cavity, the second oil distribution hole, the second oil passage, and the third oil distribution hole.
Compared with the prior art, the multifunctional idler gear shaft device has the following beneficial effects: the mounting surface of the idler gear shaft is provided with the annular cavity, and meanwhile, the position of the end surface of the cylinder body corresponding to the annular cavity is provided with the oil distributing hole which is communicated with the upper oil duct and the lower oil duct, and the forced lubrication of a plurality of idler gear shafts is realized by utilizing the oil storage and oil passing functions of the annular cavity of the idler gear shaft. The device has simple structure and low manufacturing cost, and is convenient for the integral arrangement of the engine.
Drawings
FIG. 1 is a schematic layout view of a multi-functional idler shaft according to an embodiment of the present invention.
FIG. 2 is a schematic front view of a multi-functional idler gear shaft according to an embodiment of the present invention.
FIG. 3 is a B-B directional cross-sectional view of a multi-functional idler shaft according to an embodiment of the present invention.
FIG. 4 is a schematic layout of an idler shaft according to the prior art.
The main reference numerals illustrate:
1-cylinder block, 11-first oil duct, 12-second oil duct, 13-first oil distributing hole, 14-second oil distributing hole, 15-third oil distributing hole, 2-first idler gear shaft, 21-first cavity, 22-first sealing band, 3-second idler gear shaft, 31-second cavity, 32-second sealing band, 101-first oil duct of prior art, 102-second oil duct of prior art, 103-third oil duct of prior art, 201-first idler gear shaft of prior art, 202-second idler gear shaft of prior art.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 to 3, fig. 1 is a schematic layout view of a multi-functional idler gear shaft according to an embodiment of the present invention. FIG. 2 is a schematic front view of a multi-functional idler gear shaft according to an embodiment of the present invention. FIG. 3 is a B-B directional cross-sectional view of a multi-functional idler shaft according to an embodiment of the present invention. A multi-functional idler shaft device according to a preferred embodiment of the present invention is provided on an end surface of a cylinder block 1, and includes a first oil passage 11, a first oil distribution hole 13, a second oil distribution hole 14, a first idler shaft 2, a second oil passage 12, a third oil distribution hole 15, and a second idler shaft 3.
Referring to fig. 1, in some embodiments, a first oil passage 11 is vertically provided at an upper portion of an end surface of a cylinder block 1, and an upper end of the first oil passage 11 communicates with a main oil passage of the cylinder block 1. The first oil distribution hole 13 is provided at the lower end of the first oil passage 11 and communicates with the first oil passage 11. The second oil distribution hole 14 is provided on the end surface of the cylinder block 1, obliquely below the first oil distribution hole 13.
Referring to fig. 2-3, in some embodiments, the first idler shaft 2 includes a first cavity 21 and a first sealing band 22. The first cavity 21 is annular in shape and is provided around the center of the mounting surface of the first idler gear shaft 2. The first seal band 22 is provided around the outside of the first cavity 21, and the first seal band 22 is used for connecting and sealing the mounting surface of the first idler gear shaft 2 and the end surface of the cylinder block 1. The first idler gear shaft 2 is arranged on the end face of the cylinder body 1, and is covered with a first oil distributing hole 13 and a second oil distributing hole 14, and the end face of the cylinder body 1 and the first cavity 21 form an independent oil storage cavity under the sealing of the first sealing belt 22. Meanwhile, the first oil distributing hole 13 and the second oil distributing hole 14 are just arranged in the area of the oil storage cavity formed by the first cavity 21 and the end face of the cylinder body 1 and are communicated with the first cavity 21.
Referring again to fig. 1, in some embodiments, the second oil passage 12 is vertically disposed in the middle of the end surface of the cylinder block 1 and below the first idler shaft 2, and the upper end of the second oil passage 12 communicates with the second oil distribution hole 14; the third oil distribution hole 15 is provided at the lower end of the second oil passage 12 and communicates with the second oil passage 12.
Referring again to fig. 2 to 3, in some embodiments, a second idler shaft 3 is mounted on an end surface of the cylinder block 1, and the second idler shaft 3 is substantially identical to the first idler shaft 2 in terms of structural form, and may have different specifications and dimensions. The second idler shaft 3 likewise comprises a second cavity 31 and a second sealing band 32. The second cavity 31 is annular groove-shaped and is arranged on the mounting surface of the second idler gear shaft 3 in a surrounding manner; the second sealing band 32 is arranged outside the second cavity 31 in a surrounding manner, and the second sealing band 32 is used for connecting and sealing the mounting surface of the second idler gear shaft 3 and the end surface of the cylinder body 1; under the sealing of the second sealing strip 32, the end face of the cylinder block 1 and the second cavity 31 also form an independent oil storage cavity. Meanwhile, the third oil distributing hole 15 is just arranged in an oil storage cavity area formed by the second cavity 31 and the end face of the cylinder body 1 and is communicated with the second cavity 31.
Referring to fig. 1 again, in some embodiments, since the first oil passage 11, the first oil distributing hole 13, the first idler gear shaft 2, the second oil distributing hole 14, the second oil passage 12, the third oil distributing hole 15, and the second idler gear shaft 3 are arranged in the vertical position, and a certain height difference exists, the lubricating oil can smoothly reach the second cavity 31 through the first oil passage 11, the first oil distributing hole 13, the first cavity 21, the second oil distributing hole 14, the second oil passage 12, and the third oil distributing hole 15 by means of self gravity and the pressure of the engine oil pump. The first cavity 21 may provide forced lubrication for the first idler gear shaft 2 and the second cavity 31 may provide forced lubrication for the second idler gear shaft 3. In the embodiment, only two idler shafts are shown, but the invention is not limited thereto.
In summary, compared with the prior art, the multifunctional idler gear shaft device has the following advantages: the mounting surface of the idler gear shaft is provided with the annular cavity, and meanwhile, the position of the end surface of the cylinder body corresponding to the annular cavity is provided with the oil distributing hole which is communicated with the upper oil duct and the lower oil duct, and the forced lubrication of a plurality of idler gear shafts is realized by utilizing the oil storage and oil passing functions of the annular cavity of the idler gear shaft. The device has simple structure and low manufacturing cost, and is convenient for the integral arrangement of the engine.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (4)
1. A multi-functional idler gear shaft device provided on an end face of a cylinder block, characterized in that the multi-functional idler gear shaft device comprises:
a first oil passage vertically provided at an upper portion of an end surface of the cylinder block;
the first oil distributing hole is arranged at the lower end of the first oil duct and is communicated with the first oil duct;
the second oil distributing hole is arranged on the end face of the cylinder block and is positioned obliquely below the first oil distributing hole;
a first idler gear shaft which is arranged on the end surface of the cylinder body and covers the first oil distributing hole and the second oil distributing hole;
a second oil passage vertically provided in the middle of an end surface of the cylinder block, an upper end of the second oil passage communicating with the second oil distribution hole;
the first cavity is annular groove-shaped and is annularly arranged on the mounting surface of the first idler gear shaft, and the first oil distributing hole and the second oil distributing hole are communicated with the first cavity;
the third oil distributing hole is arranged at the lower end of the second oil duct and is communicated with the second oil duct;
a second idler gear shaft which is arranged on the end surface of the cylinder body and covers the third oil distributing hole; and
the second cavity is annular groove-shaped and is arranged on the mounting surface of the second idler gear shaft in a surrounding mode, and the third oil distributing hole is communicated with the second cavity.
2. The multi-function idler gear shaft assembly of claim 1, wherein the first idler gear shaft comprises:
and the first sealing belt is arranged outside the first cavity in a surrounding mode and is used for connecting and sealing the mounting surface of the first idler gear shaft and the end face of the cylinder body.
3. The multi-function idler gear shaft assembly of claim 2, wherein said second idler gear shaft comprises:
and the second sealing belt is arranged outside the second cavity in a surrounding mode and is used for connecting and sealing the mounting surface of the second idler gear shaft and the end face of the cylinder body.
4. A multi-functional idler-gear shaft device as claimed in claim 3, wherein lubricating oil can pass through said first oil passage, said first oil distribution hole, said first cavity, said second oil distribution hole, said second oil passage, said third oil distribution hole to said second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859857.7A CN108757089B (en) | 2018-08-01 | 2018-08-01 | Multifunctional idler gear shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859857.7A CN108757089B (en) | 2018-08-01 | 2018-08-01 | Multifunctional idler gear shaft device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757089A CN108757089A (en) | 2018-11-06 |
| CN108757089B true CN108757089B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810859857.7A Active CN108757089B (en) | 2018-08-01 | 2018-08-01 | Multifunctional idler gear shaft device |
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| CN (1) | CN108757089B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0547390U (en) * | 1991-11-15 | 1993-06-22 | 三菱重工業株式会社 | Engine oil hole structure |
| JP4756019B2 (en) * | 2007-09-25 | 2011-08-24 | 株式会社クボタ | engine |
| CN202301885U (en) * | 2011-09-30 | 2012-07-04 | 广西玉柴机器股份有限公司 | Idle gear assembly |
| CN203394982U (en) * | 2013-07-03 | 2014-01-15 | 广西玉柴机器股份有限公司 | Idler gear shaft |
| CN104279070B (en) * | 2014-09-22 | 2016-10-19 | 广西玉柴机器股份有限公司 | The wheel train structure of small diesel engine cylinder block |
| CN204372047U (en) * | 2014-12-18 | 2015-06-03 | 东风康明斯发动机有限公司 | A kind of engine balance device of built-in oil leab |
| CN107061702A (en) * | 2016-12-30 | 2017-08-18 | 广西玉柴机器股份有限公司 | The transmission mechanism of diesel powered output |
| CN208534566U (en) * | 2018-08-01 | 2019-02-22 | 广西玉柴机器股份有限公司 | Multi-functional idle gear shaft device |
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2018
- 2018-08-01 CN CN201810859857.7A patent/CN108757089B/en active Active
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| CN108757089A (en) | 2018-11-06 |
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