CN213206473U - Crank connecting rod assembly free of oil channel lubrication - Google Patents
Crank connecting rod assembly free of oil channel lubrication Download PDFInfo
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- CN213206473U CN213206473U CN202021606018.3U CN202021606018U CN213206473U CN 213206473 U CN213206473 U CN 213206473U CN 202021606018 U CN202021606018 U CN 202021606018U CN 213206473 U CN213206473 U CN 213206473U
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- connecting rod
- pin
- oil
- rod assembly
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Abstract
The utility model discloses an exempt from lubricated crank connecting rod assembly of oil duct, including left crank, right crank, crank pin, connecting rod, the connecting rod stub end passes through the crank pin with left crank, right crank are connected, and wherein the connecting rod is located in the middle of left crank, the right crank, be provided with bearing, its characterized in that between connecting rod and the crank pin: the connecting rod is characterized in that a plurality of oil grooves are formed in the end face, in contact with the left crank and the right crank, of the large end of the connecting rod, the oil grooves are formed in the radial direction of the large end of the connecting rod in a penetrating mode, a hook is arranged on the outer circumference of the large end of the connecting rod, and the extending direction of the hook is consistent with the moving direction of the crank-connecting rod assembly. The beneficial effects of the utility model include: the processing of a lubricating oil channel on the crank connecting rod assembly is avoided, the processing cost is reduced, and meanwhile, the good lubrication of the connecting part of the big end of the connecting rod and the crank is ensured, so that the processing period of the product is shortened, and the yield of the product is high.
Description
Technical Field
The utility model relates to an engine crank connecting rod assembly field, concretely relates to lubricated crank connecting rod assembly of oil duct exempts from.
Background
The crank connecting rod mechanism is a main moving part for realizing the working cycle of the engine and finishing energy conversion. In motorcycle engines, a complete lubricating system is required, and particularly, a crank-connecting rod assembly part in the engine, which bears the power of the engine, is very heavy in load, and as a result, the connecting rod, the needle bearing and the crank pin of the part need to be well lubricated during movement.
In the prior art, the crank pin is communicated with the position of the crank pin by arranging the axial oil duct and the inclined oil hole on the crank, so that lubrication required when the connecting rod, the needle bearing and the crank pin move is realized, but the oil duct is complex to process, and a special oil duct processing tool needs to be developed, so that the processing cost is high, the lubricating factors of the oil duct are more, and the lubricating effect is not ideal.
Disclosure of Invention
To the weak point among the above-mentioned prior art, the utility model provides an exempt from lubricated crank connecting rod assembly of oil duct, its simple structure, lubricated effect is good, and has reduced crank connecting rod assembly's processing cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an exempt from lubricated crank connecting rod assembly of oil duct, includes left crank, right crank, crank pin, connecting rod, the connecting rod stub end pass through the crank pin with left crank, right crank are connected, and wherein the connecting rod is located in the middle of left crank, the right crank, be provided with bearing, its characterized in that between connecting rod and the crank pin: the connecting rod is characterized in that a plurality of oil grooves are formed in the end face, in contact with the left crank and the right crank, of the large end of the connecting rod, the oil grooves are formed in the radial direction of the large end of the connecting rod in a penetrating mode, a hook is arranged on the outer circumference of the large end of the connecting rod, and the extending direction of the hook is consistent with the moving direction of the crank-connecting rod assembly.
Furthermore, a radial oil hole is formed in the outer circumferential surface of the small end of the connecting rod.
Furthermore, deep groove ball bearings are arranged on the first journal sections of the left crank and the right crank close to the large ends.
And further, a chain wheel is positioned on the journal section of the right crank, which is adjacent to the deep groove ball bearing, through a cylindrical pin.
The beneficial effects of the utility model include: the processing of a lubricating oil channel on the crank connecting rod assembly is avoided, the processing cost is reduced, and meanwhile, the good lubrication of the connecting part of the big end of the connecting rod and the crank is ensured, so that the processing period of the product is shortened, and the yield of the product is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural diagram of a connecting rod of the present invention;
fig. 4 is a sectional view of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A crank connecting rod assembly without oil channel lubrication as shown in figures 1-4 comprises a left crank 1, a right crank 7, a crank pin 4 and a connecting rod 6. The big head end of the connecting rod 6 is connected with the left crank 1 and the right crank 7 through the crank pin 4, wherein the connecting rod 6 is positioned between the left crank 1 and the right crank 7, and the crank pin 4 is connected with crank pin holes on the left crank 1 and the right crank 7 in an interference fit manner. And a needle bearing 5 is arranged between the connecting rod 6 and the crank pin 4. Because the invention has no oblique oil hole to lubricate the big end of the connecting rod, the invention has a plurality of oil grooves 2 on the big end of the connecting rod 6, the end surface of the connecting rod contacting with the left crank 1 and the right crank 7, the plurality of oil grooves 2 penetrate along the radial direction of the big end of the connecting rod 6, in addition, the outer circumference of the big end of the connecting rod 6 is provided with a hook 9, and the extending direction of the hook 9 is consistent with the moving direction of the crank-connecting rod assembly. When the crank connecting rod assembly works, lubricating oil in an engine box body is substituted into two sides of the large end of the connecting rod 6 through the hook 9, and then flows into the crank pin 4 through the oil groove 2, so that the needle bearing 5 and the contact end face of the connecting rod 6 with the left crank 1 and the right crank 7 can be lubricated, and the normal operation of the crank connecting rod assembly is guaranteed.
The utility model discloses an embodiment is shown in fig. 3, connecting rod 6 is three and be the ring array and distribute at the oil groove 2 of every terminal surface of main aspects, radial oilhole 10 has been seted up on the tip outer periphery of connecting rod 6, thereby this radial oilhole 10 can cross the tip of oily oil storage to connecting rod 6 and lubricate.
As shown in FIG. 1, deep groove ball bearings 3 are arranged on the first journal sections of the left crank 1 and the right crank 7 close to the large ends. Right side crank 7 is last adjacent be provided with sprocket 8 through the cylindric lock location on the journal section of deep groove ball bearing 3, the utility model discloses a crank link assembly has the same complete function of ordinary crank link assembly.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a lubricated crank connecting rod assembly of oil duct exempts from, includes left crank (1), right crank (7), crank pin (4), connecting rod (6) big end pass through crank pin (4) with left crank (1), right crank (7) are connected, wherein connecting rod (6) are located in the middle of left crank (1), right crank (7), be provided with bearing (5) between connecting rod (6) and crank pin (4), its characterized in that: the end face that the main aspects of connecting rod (6) go up with left crank (1), right crank (7) contact has a plurality of oil grooves (2), and is a plurality of oil groove (2) are followed the radial direction of connecting rod (6) main aspects link up, have crotch (9) on the main aspects of connecting rod (6) outer circumference, the direction of the extension of crotch (9) is unanimous with the direction of motion of crank connecting rod assembly.
2. The channel lubrication free crank-link assembly of claim 1 wherein: the outer circumferential surface of the small end of the connecting rod (6) is provided with a radial oil hole (10).
3. The channel lubrication free crank-link assembly of claim 1 wherein: deep groove ball bearings (3) are arranged on the first journal sections of the left crank (1) and the right crank (7) close to the large ends.
4. The channel lubrication free crank link assembly of claim 3 wherein: and a chain wheel (8) is positioned on the journal section of the right crank (7) adjacent to the deep groove ball bearing (3) through a cylindrical pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021606018.3U CN213206473U (en) | 2020-08-05 | 2020-08-05 | Crank connecting rod assembly free of oil channel lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021606018.3U CN213206473U (en) | 2020-08-05 | 2020-08-05 | Crank connecting rod assembly free of oil channel lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206473U true CN213206473U (en) | 2021-05-14 |
Family
ID=75837405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021606018.3U Active CN213206473U (en) | 2020-08-05 | 2020-08-05 | Crank connecting rod assembly free of oil channel lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206473U (en) |
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2020
- 2020-08-05 CN CN202021606018.3U patent/CN213206473U/en active Active
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