CN216198353U - Oil pump structure of motorcycle engine - Google Patents
Oil pump structure of motorcycle engine Download PDFInfo
- Publication number
- CN216198353U CN216198353U CN202122411540.7U CN202122411540U CN216198353U CN 216198353 U CN216198353 U CN 216198353U CN 202122411540 U CN202122411540 U CN 202122411540U CN 216198353 U CN216198353 U CN 216198353U
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- China
- Prior art keywords
- oil pump
- oil
- pressure relief
- relief pipe
- fixedly connected
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an oil pump structure of a motorcycle engine, which comprises an engine body and an oil pump shell, and is characterized in that the oil pump shell is arranged in the engine body, one side of the oil pump shell is communicated with a pressure relief pipe, an oil duct is arranged in the engine body, the pressure relief pipe is inserted in the oil duct, the other end of the oil duct is communicated with an oil inlet pipe, the oil inlet pipe is connected with the oil duct of the engine, the side wall of the pressure relief pipe is provided with a plurality of through holes, a pin is fixedly connected in one end of the pressure relief pipe, a sliding block is movably connected in the pressure relief pipe and positioned on one side of the pin, a spring is arranged in the sliding block, the other end of the pressure relief pipe is fixedly connected with a separation blade, and the other end of the spring is contacted with the separation blade; the advantage can cushion the oil that the relief valve spun through the oil duct that is equipped with, thereby has changed traditional oil and has directly let out the inside technical problem that makes the interior a large amount of bubbles that produce of box.
Description
Technical Field
The utility model relates to the technical field of motorcycle engines, in particular to an oil pump structure of a motorcycle engine.
Background
For the automatic clutch motorcycle engine with the displacement of 125 and above, an oil pump is installed in the engine to lubricate the inside of the engine.
If the notice number is: the motorcycle engine oil pump of CN203036229U, including the pump body, with pump body matched with pump cover, be provided with inner rotor, with inner rotor matched with outer rotor, logical axle transmission shaft on the pump body respectively, be provided with the recess in the inner rotor, be provided with the round pin on the logical axle transmission shaft, lead to axle transmission shaft and inner rotor swing joint, the round pin is connected with the recess cooperation. The utility model effectively solves the problem that the existing oil pump adopts bump positioning, can improve the product quality, shorten the production period and reduce the production cost.
However, the utility model discloses inside the box was directly let out to the discharged oil of relief valve, the result of use was not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an oil pump structure of a motorcycle engine, which directly discharges oil in the oil pump into an internal oil duct of the engine for cyclic utilization.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the oil pump structure of the motorcycle engine, including engine body and oil pump body, its characteristic is: the oil pump shell is installed in an engine body, one side of the oil pump shell is communicated with a pressure relief pipe, an oil duct is formed in the engine body, the pressure relief pipe is inserted into the oil duct, the other end of the oil duct is communicated with an oil inlet pipe, the oil inlet pipe is connected with the oil duct of the engine, a plurality of through holes are formed in the side wall of the pressure relief pipe, a pin is fixedly connected into one end of the pressure relief pipe, the pressure relief pipe is internally and movably located on one side of the pin, a spring is installed in the slider, the other end of the pressure relief pipe is fixedly connected with a separation blade, and the other end of the spring is in contact with the separation blade.
The utility model further prefers to do the following: the pressure relief pipe is located the pin with first mounting groove has been seted up on the lateral wall between the through-hole, install the sealing washer in the first mounting groove.
The utility model further prefers to do the following: the pressure relief pipe is arranged on the inner wall surface of one side of the separation blade, a second mounting groove is formed in the inner wall surface of the pressure relief pipe, a clamp spring for holes is mounted in the second mounting groove, and the separation blade is in contact with the clamp spring for holes.
The utility model further prefers to do the following: the pin is fixedly arranged on the side wall of the pressure relief pipe in an interference fit mode.
The utility model further prefers to do the following: the number of the through holes is four.
The utility model further prefers to do the following: the transmission shaft is rotatably connected in the oil pump shell, a rotor is fixedly connected on the transmission shaft in the oil pump shell, and a chain wheel is fixedly connected on the transmission shaft and positioned on the outer side of the oil pump shell.
The utility model further prefers to do the following: the bottom of the engine body is fixedly connected with a lower shell.
The utility model further prefers to do the following: and the oil pump shell is fixedly connected with a mounting frame.
The utility model further prefers to do the following: and the mounting frame is fixedly connected with a chain baffle on one side of the chain wheel.
The utility model further prefers to do the following: the oil pump shell is installed in the engine body through bolt connection.
Compared with the prior art, the oil pump has the advantages that the oil pump shell is arranged in the engine body, one side of the oil pump shell is communicated with the pressure relief pipe, the oil duct is arranged in the engine body, the pressure relief pipe is inserted into the oil duct, the other end of the oil duct is communicated with the oil inlet pipe, the oil inlet pipe is connected with the oil duct of the engine, the overall structure is compact, the oil pressure stability is high, oil is directly released into the oil duct of the engine, and the service life is long.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the utility model. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a second perspective view of the present invention.
Fig. 4 is a third perspective view of the present invention.
Fig. 5 is a perspective view of the oil pump housing according to the present invention.
FIG. 6 is a cross-sectional view of a pressure relief tube according to the present invention.
The above views include: 1. an engine body; 2. an oil pump housing; 3. a pressure relief pipe; 4. a through hole; 5. a pin; 6. a slider; 7. a spring; 8. a baffle plate; 9. a seal ring; 10. a mounting frame; 11. a chain baffle; 12. a sprocket; 13. a rotor; 14. a drive shaft; 15. an oil passage; 16. an oil inlet pipe; 17. a lower housing; 18. the hole is provided with a clamp spring.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
As shown in fig. 1 to 6, the oil pump structure of the motorcycle engine: the engine oil pump comprises an engine body 1 and an oil pump shell 2, wherein the oil pump shell 2 is installed in the engine body 1.
As shown in fig. 1, a lower case 17 is fixed to the bottom of the engine body 1.
Preferably, the oil pump housing 2 is mounted in the engine body 1 through a bolt connection, so that the engine is convenient to detach.
Preferably, the pin 5 adopts interference fit fixed mounting on the pressure release pipe 3 lateral wall, and the pin 5 is used for slider 6 to make slider 6 can not deviate from.
The transmission shaft 14 is rotatably connected in the oil pump shell 2, the rotor 13 is fixedly connected on the transmission shaft 14 in the oil pump shell 2, the chain wheel 12 is fixedly connected on the transmission shaft 14 and on the outer side of the oil pump shell 2, and oil sprayed out of the pressure release valve can be buffered through the arranged oil duct 15, so that the technical problem that a large amount of bubbles are generated in the engine oil due to the fact that traditional oil is directly discharged into the box body is solved.
As shown in fig. 6, the pressure relief pipe 3 is provided with a first mounting groove on the side wall between the pin 5 and the through hole 4, a sealing ring 9 is mounted in the first mounting groove, and the sealing performance can be improved through the sealing ring 9.
The pressure release pipe 3 is provided with a second mounting groove on the inner wall surface on one side of the blocking piece 8, the clamp spring 18 for holes is mounted in the second mounting groove, the blocking piece 8 is in contact with the clamp spring 18 for holes, and the spring 7 is convenient to replace after the clamp spring 18 for holes is detached.
Preferably, the number of the through holes 4 is four, and the oil drainage quantity of the pressure relief valve 3 is increased.
As shown in fig. 4, the other end of the oil passage 15 is communicated with an oil inlet pipe 16, the oil inlet pipe 16 is communicated with the internal oil passage of the engine, and the oil discharged from the pressure relief pipe 3 can flow into the internal oil passage of the engine through the oil inlet pipe.
As shown in fig. 5, an oil pump housing 2 is fixedly connected with a mounting bracket 10 for mounting a chain guard 11.
And a chain baffle 11 is fixedly connected to one side of the chain wheel 12 on the mounting frame 10 and used for limiting the chain.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention usually put in use, are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The structure of the oil pump of the motorcycle engine provided by the utility model is described in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The oil pump structure of the motorcycle engine, including engine body and oil pump body, its characteristic is: the oil pump shell is installed in an engine body, one side of the oil pump shell is communicated with a pressure relief pipe, an oil duct is formed in the engine body, the pressure relief pipe is inserted into the oil duct, the other end of the oil duct is communicated with an oil inlet pipe, the oil inlet pipe is connected with the oil duct of the engine, a plurality of through holes are formed in the side wall of the pressure relief pipe, a pin is fixedly connected into one end of the pressure relief pipe, the pressure relief pipe is internally and movably located on one side of the pin, a spring is installed in the slider, the other end of the pressure relief pipe is fixedly connected with a separation blade, and the other end of the spring is in contact with the separation blade.
2. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the pressure relief pipe is located the pin with first mounting groove has been seted up on the lateral wall between the through-hole, install the sealing washer in the first mounting groove.
3. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the pressure relief pipe is arranged on the inner wall surface of one side of the separation blade, a second mounting groove is formed in the inner wall surface of the pressure relief pipe, a clamp spring for holes is mounted in the second mounting groove, and the separation blade is in contact with the clamp spring for holes.
4. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the pin is fixedly arranged on the side wall of the pressure relief pipe in an interference fit mode.
5. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the number of the through holes is four.
6. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the transmission shaft is rotatably connected in the oil pump shell, a rotor is fixedly connected on the transmission shaft in the oil pump shell, and a chain wheel is fixedly connected on the transmission shaft and positioned on the outer side of the oil pump shell.
7. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the bottom of the engine body is fixedly connected with a lower shell.
8. The oil pump structure of a motorcycle engine according to claim 6, characterized in that: and the oil pump shell is fixedly connected with a mounting frame.
9. The oil pump structure of a motorcycle engine according to claim 8, characterized in that: and the mounting frame is fixedly connected with a chain baffle on one side of the chain wheel.
10. The oil pump structure of a motorcycle engine according to claim 1, characterized in that: the oil pump shell is installed in the engine body through bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411540.7U CN216198353U (en) | 2021-09-30 | 2021-09-30 | Oil pump structure of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411540.7U CN216198353U (en) | 2021-09-30 | 2021-09-30 | Oil pump structure of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216198353U true CN216198353U (en) | 2022-04-05 |
Family
ID=80861117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122411540.7U Active CN216198353U (en) | 2021-09-30 | 2021-09-30 | Oil pump structure of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216198353U (en) |
-
2021
- 2021-09-30 CN CN202122411540.7U patent/CN216198353U/en active Active
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