CN209838928U - V-cylinder integral crankshaft assembly - Google Patents
V-cylinder integral crankshaft assembly Download PDFInfo
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- CN209838928U CN209838928U CN201920119249.2U CN201920119249U CN209838928U CN 209838928 U CN209838928 U CN 209838928U CN 201920119249 U CN201920119249 U CN 201920119249U CN 209838928 U CN209838928 U CN 209838928U
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- crank arm
- crankshaft
- connecting rod
- rod journal
- crank
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Abstract
The utility model relates to an integral bent axle assembly of V jar, including the bent axle body, this bent axle body has first crank arm, second crank arm, third crank arm, first rod journal has between first crank arm, the second crank arm, second crank arm has the second rod journal between second crank arm, the third crank arm, this first rod journal, second rod journal with bent axle body center pin forms crank contained angle beta as the center, and wherein, beta < 90 is more than 0. The integral crankshaft assembly of the V-cylinder has a simple structure, and balances the dynamic balance of the crankshaft through the crank included angle beta, so that the V-cylinder engine has better balance and low production cost.
Description
Technical Field
The utility model relates to an integral bent axle assembly of V jar belongs to bent axle technical field.
Background
The crankshaft, an important part of an engine, is made of carbon structural steel or nodular cast iron. The crankshaft comprises a split crankshaft and an integral crankshaft. The split type crankshaft machining process is tedious, the product cost is higher, the integral type crankshaft is high in cross production efficiency, and the product cost is lower than the split type cost. However, the existing integral crankshaft has a poor effect on solving the dynamic balance of the crankshaft, so that the engine has a poor balance effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide an integral crankshaft assembly of V jar.
In order to realize the aim, the utility model provides an integral bent axle assembly of V jar, including the bent axle body, this bent axle body has first crank arm, second crank arm, third crank arm, first connecting rod axle journal has between first crank arm, the second crank arm, second crank arm has the second connecting rod axle journal between the second crank arm, the third crank arm, and this first connecting rod axle journal, second connecting rod axle journal use bent axle body center pin forms crank contained angle beta as the center, and wherein, beta is more than 0 degree < 90 degrees; the crankshaft body outside the first crank arm is provided with a first oil inlet channel communicated to the first connecting rod shaft neck, the first connecting rod shaft neck is provided with a first oil outlet channel communicated with the first oil inlet channel, and the first oil outlet channel radially penetrates through the first connecting rod shaft neck; the crankshaft body outside the third crank arm is provided with a second oil inlet channel communicated to the second connecting rod journal, the second connecting rod journal is provided with a second oil outlet channel communicated with the second oil inlet channel, and the second oil outlet channel radially penetrates through the second connecting rod journal.
The integral crankshaft assembly of the V-cylinder is simple in structure, the dynamic balance of the crankshaft is balanced through the crank included angle beta, the balance of the V-cylinder engine is better, the production cost is low, and meanwhile the arrangement of the first oil outlet channel and the second oil outlet channel can lubricate large ends of the two connecting rods uniformly.
Furthermore, the first oil inlet channel and the first oil outlet channel are arranged in mirror symmetry with the second oil inlet channel and the second oil outlet channel by taking the second crank arm as a reference surface.
Further, the crank included angle β is 36 °.
Furthermore, timing driving chain wheels are arranged at two ends of the crankshaft body and are integrally formed with the crankshaft body.
Further, crankshaft body one end has the spline tooth that gradually bursts at seams, this the spline tooth that gradually bursts at seams with crankshaft body integrated into one piece, the elementary driving gear of involute spline hookup, water pump driving gear, the transmission moment of torsion is more reliable.
Further, both ends of the crankshaft body are provided with external threads, which increases the pressing force, so that the crankshaft assembly is more reliable.
The utility model has the advantages that: the integral assembly size of the integral V-cylinder crankshaft assembly is better controlled, the dynamic balance of the crankshaft is balanced through the crank included angle beta, the balance of the V-cylinder engine is better, a balance shaft can be omitted, and the cost is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of a V-cylinder monolithic crankshaft assembly;
FIG. 2 is a cross-sectional view of the V-cylinder monoblock crankshaft assembly;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the utility model provides an integral bent axle assembly of V jar, including the bent axle body, this bent axle body has first crank arm 1, second crank arm 2, third crank arm 3, first connecting rod journal 4 has between first crank arm 1, the second crank arm 2, second crank arm 3 has second connecting rod journal 5, and this first connecting rod journal 4, second connecting rod journal 5 use bent axle body center pin forms crank contained angle beta as the center, and wherein, beta is more than 0 ° < 90 °; the crankshaft body outside the first crank arm 1 is provided with a first oil inlet channel 6 communicated to the first connecting rod journal 4, the first connecting rod journal 4 is provided with a first oil outlet channel 8 communicated with the first oil inlet channel 6, and the first oil outlet channel 8 radially penetrates through the first connecting rod journal 4; the crankshaft body outside the third crank arm 3 is provided with a second oil inlet channel 7 communicated to the second connecting rod journal 5, the second connecting rod journal 5 is provided with a second oil outlet channel 9 communicated with the second oil inlet channel 7, and the second oil outlet channel 9 radially penetrates through the second connecting rod journal 5.
The first connecting rod journal 4 and the second connecting rod journal 5 are respectively connected with two connecting rod big end holes, and the first oil outlet channel 8 and the second oil outlet channel 9 lubricate the big ends of the two connecting rods uniformly.
The first oil inlet channel 6, the first oil outlet channel 8, the second oil inlet channel 7 and the second oil outlet channel 9 are arranged in mirror symmetry by taking the second crank arm 2 as a reference surface.
The timing driving sprocket 10 is provided at both ends of the crankshaft body, the timing driving sprocket 10 is integrally formed with the crankshaft body, and both ends of the crankshaft body are provided with external threads 12. The compression of the external threads 12 makes the crankshaft assembly more reliable. The crankshaft body one end still has involute spline tooth 11, and this involute spline tooth 11 and crankshaft body integrated into one piece, and involute spline 11 hookup is elementary driving gear, water pump driving gear, and the transmission moment of torsion is more reliable, and the big tooth of starting electricity, the combination of magneto rotor are connected to this crankshaft body other end.
When the V cylinder angle is 72 °, the crank angle β becomes 36 °.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a V jar integral crankshaft assembly which characterized in that: the crankshaft comprises a crankshaft body, wherein the crankshaft body is provided with a first crank arm (1), a second crank arm (2) and a third crank arm (3), a first connecting rod journal (4) is arranged between the first crank arm (1) and the second crank arm (2), a second connecting rod journal (5) is arranged between the second crank arm (2) and the third crank arm (3), the first connecting rod journal (4) and the second connecting rod journal (5) form a crank included angle beta by taking a central shaft of the crankshaft body as a center, and the beta is more than 0 degree and less than 90 degrees; the crankshaft body on the outer side of the first crank arm (1) is provided with a first oil inlet channel (6) communicated to the first connecting rod journal (4), the first connecting rod journal (4) is provided with a first oil outlet channel (8) communicated with the first oil inlet channel (6), and the first oil outlet channel (8) radially penetrates through the first connecting rod journal (4); the crankshaft body on the outer side of the third crank arm (3) is provided with a second oil inlet channel (7) communicated to the second connecting rod journal (5), the second connecting rod journal (5) is provided with a second oil outlet channel (9) communicated with the second oil inlet channel (7), and the second oil outlet channel (9) radially penetrates through the second connecting rod journal (5).
2. The V-cylinder monoblock crankshaft assembly of claim 1, wherein: the first oil inlet channel (6), the first oil outlet channel (8), the second oil inlet channel (7) and the second oil outlet channel (9) are arranged in a mirror symmetry mode by taking the second crank arm (2) as a datum plane.
3. The V-cylinder monoblock crankshaft assembly of claim 1, wherein: the crank included angle beta is 36 degrees.
4. The V-cylinder monoblock crankshaft assembly of claim 1, wherein: the timing driving chain wheel (10) is arranged at two ends of the crankshaft body, and the timing driving chain wheel (10) and the crankshaft body are integrally formed.
5. The V-cylinder monoblock crankshaft assembly of claim 1, wherein: crankshaft body one end has involute spline tooth (11), this involute spline tooth (11) with crankshaft body integrated into one piece.
6. The V-cylinder monoblock crankshaft assembly of claim 1, wherein: the two ends of the crankshaft body are both provided with external threads (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119249.2U CN209838928U (en) | 2019-01-24 | 2019-01-24 | V-cylinder integral crankshaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119249.2U CN209838928U (en) | 2019-01-24 | 2019-01-24 | V-cylinder integral crankshaft assembly |
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| Publication Number | Publication Date |
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| CN209838928U true CN209838928U (en) | 2019-12-24 |
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| CN201920119249.2U Active CN209838928U (en) | 2019-01-24 | 2019-01-24 | V-cylinder integral crankshaft assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630535A (en) * | 2019-01-24 | 2019-04-16 | 力帆实业(集团)股份有限公司 | A kind of V cylinder integral one-piece crankshaft assembly |
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2019
- 2019-01-24 CN CN201920119249.2U patent/CN209838928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630535A (en) * | 2019-01-24 | 2019-04-16 | 力帆实业(集团)股份有限公司 | A kind of V cylinder integral one-piece crankshaft assembly |
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