CN213510902U - Motorcycle engine piston - Google Patents
Motorcycle engine piston Download PDFInfo
- Publication number
- CN213510902U CN213510902U CN202021283067.8U CN202021283067U CN213510902U CN 213510902 U CN213510902 U CN 213510902U CN 202021283067 U CN202021283067 U CN 202021283067U CN 213510902 U CN213510902 U CN 213510902U
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- piston
- seted
- ring groove
- piston head
- motorcycle engine
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Abstract
The utility model relates to an automobile engine field just discloses a motorcycle engine piston, including piston skirt portion and piston head, the rectangular channel has been seted up to piston skirt portion bottom, the piston rod hole has been seted up respectively to piston skirt portion bottom both sides, piston skirt portion's piston rod hole bottom and bottom fixed mounting respectively have the connecting block, connecting block one end fixed mounting has the spring, the one end fixed mounting of spring has the stopper, the crown has been seted up at the piston head top, the oil ring groove has been seted up at the piston head top, the piston head middle part is controlled the below and has been seted up the gas ring groove. This kind of motorcycle engine piston, the piston head top adopts the circular arc top, and the power that produces when burning explosion promotes the piston in the cylinder body has changed the atress direction of piston through the circular arc to reduce the frictional force of piston and cylinder body, the ash stain that the inside petrol burning of cylinder body produced is difficult for adhering to on the circular arc top surface, can reach the inside effect of clearance cylinder body through long-term piston ring up-and-down motion.
Description
Technical Field
The utility model relates to an automobile engine field specifically is a motorcycle engine piston.
Background
The piston is a reciprocating part in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber form, the gasoline engine mostly adopts a flat-top piston, the engine has the advantages of small heat absorption area, the top part of the piston of the diesel engine is often provided with various pits, and the specific shape, position and size of the pits are adapted to the requirements of forming and combusting mixed gas of the diesel engine.
However, traditional motorcycle engine piston is at the in-process of long-term use, because the long-time high temperature state down motion, because the skew of the reason piston connecting rod bolt of expend with heat and contract with cold can lead to the piston to drive the bolt and rub cylinder body inner wall and cause the damage, and the burning of the inside petrol of cylinder body causes a large amount of ashes to remain the combustion efficiency that reduces petrol at piston head top to influence the efficiency of piston motion.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a motorcycle engine piston possesses spacing and the difficult advantage such as ash that holds in piston head top of piston rod bolt, has solved the skew of piston rod bolt, can lead to the piston to drive the bolt friction cylinder body inner wall and cause the problem of damage and a large amount of ash stains stay at piston head top.
(II) technical scheme
For realize the spacing and difficult purpose that holds in piston head top of above-mentioned piston connecting rod bolt, the utility model provides a following technical scheme: the utility model provides a motorcycle engine piston, includes piston skirt portion and piston head, the rectangular channel has been seted up to piston skirt portion bottom, the piston rod hole has been seted up respectively to piston skirt portion bottom both sides, piston skirt portion's piston rod hole bottom and bottom fixed mounting have the connecting block respectively, connecting block one end fixed mounting has the spring, the one end fixed mounting of spring has the stopper, the crown has been seted up at the piston head top, the oil ring groove has been seted up at the piston head top, the gas ring groove has been seted up to piston head middle part oil ring below of operating, piston head bottom gas ring groove below is seted up there is the lining annular.
Preferably, the sum of the width value of the connecting block and the outer diameter value of the piston skirt is smaller than the outer diameter value of the piston head.
Preferably, the width value of the limiting block and the diameter value of the spring are not larger than the width value of the connecting block.
Preferably, the height value of the circular arc top of the piston head is less than 0.5 cm, and the height value of the piston head is less than that of the skirt part of the piston.
Preferably, the spring is extremely high in hardness requirement and is not easy to bend around, so that a tungsten carbide hard alloy product is adopted.
Preferably, the inner diameter values of the oil ring groove, the gas ring groove and the lining ring groove are different, and the specific size value is set according to different models of vehicles.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. according to the motorcycle engine piston, the top of the piston head is the arc top, the force generated when the piston is pushed by combustion and explosion in the cylinder body changes the stress direction of the piston through the arc, so that the friction force between the piston and the cylinder body is reduced, the piston head is smaller than the skirt part of the piston, the contact area between the piston and the cylinder body is reduced, the friction force between the piston and the cylinder body is also reduced, the piston can move up and down in the cylinder body at low resistance, and the movement speed of the piston is improved.
2. This kind of motorcycle engine piston, the piston head top adopts the circular arc top, and the ash stain that the inside petrol burning of cylinder body produced is difficult for adhering to at the circular arc top surface, and the driving force that the secondary explosion produced also can clear away its ash stain to the cylinder body inside, and the effect inside the cylinder body can be reached through long-term piston ring up-and-down motion equally.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of part a of the present invention.
In the figure: 1. a piston skirt; 2. a rectangular groove; 3. a piston rod bore; 4. connecting blocks; 5. a spring; 6. A limiting block; 7. a piston head; 8. a circular arc top; 9. an oil ring groove; 10. a gas ring groove; 11. and a lining ring groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution, a motorcycle engine piston, including a piston skirt 1 and a piston head 7, characterized in that: the bottom of a piston skirt part 1 is provided with a rectangular groove 2, the weight of the whole piston is reduced, the running speed of the piston is higher, two sides of the bottom of the piston skirt part 1 are respectively provided with a piston rod hole 3, the bottom end and the bottom end of the piston rod hole 3 of the piston skirt part 1 are respectively and fixedly provided with a connecting block 4, the sum of the width value of the connecting block 4 and the outer diameter value of the piston skirt part 1 is required to be smaller than the outer diameter value of a piston head 7, the connecting block 4 and a cylinder body are prevented from generating friction to damage the cylinder body, one end of the connecting block 4 is fixedly provided with a spring 5, the hardness requirement of the material of the spring 5 is extremely high and is not easy to bend all around, therefore, a tungsten carbide hard alloy product is adopted, the phenomenon that the spring 5 deforms and touches the cylinder body due to the movement, the contact with the inner wall of the cylinder body is prevented, the arc top 8 is arranged at the top of the piston head 7, the oil ring groove 9 is arranged at the top of the piston head 7, the gas ring groove 10 is arranged below the oil ring groove 9 in the middle of the piston head 7, the lining ring groove 11 is arranged below the gas ring groove 10 in the bottom of the piston head 7, the inner diameter values of the oil ring groove 9, the gas ring groove 10 and the lining ring groove 11 are unequal, the specific size value is set according to different models of vehicles, and the change of the groove position can cause the problems of machine damage, high oil.
In summary, the following steps:
wherein, 8 high values on the arc top of piston head 7 are less than 0.5 centimetre to prevent that 7 high too high touching cylinder body tops of piston head from, lead to the cylinder body to damage, 8 high values on the arc top are also should not too low, need have certain radian, make the inside petrol burning of cylinder body the ash stain of production be difficult for adhering to on 8 surfaces on the arc top, the driving force that the secondary explosion produced also can clear away its ash stain to the cylinder body inside, through long-term piston ring up-and-down motion equally can reach the inside effect of clearance cylinder body.
The height value of the piston head 7 is smaller than that of the piston skirt portion 1, the contact area of the piston head 7 and the cylinder body is reduced to reduce friction, the piston moves in a low-resistance mode, unnecessary loss is reduced, and the piston runs in the cylinder body at a higher speed.
The size of the piston rod hole 3 needs to be the same as that of the piston connecting rod bolt, and the height needs to be at the same horizontal position and on the same straight line.
The during operation, embolia oil ring, gas ring and grommet oil ring groove 9, gas ring groove 10 and 11 inslots of grommet, press one side stopper 6 and insert the piston rod bolt in piston rod hole 3, then fill in the cylinder body with the piston, the engine starts the back petrol burning and promotes piston downstream, the ash stain that the burning produced falls on circular arc top 8 surfaces, the second burning explosion is clear away the surface ash stain then, stopper 6 is spacing to the piston rod bolt in the motion process, prevent that the piston rod bolt from destroying the cylinder body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A motorcycle engine piston comprising a piston skirt (1) and a piston head (7), characterized in that: rectangular channel (2) have been seted up to piston skirt portion (1) bottom, piston rod hole (3) have been seted up respectively to piston skirt portion (1) bottom both sides, piston rod hole (3) bottom and bottom difference fixed mounting of piston skirt portion (1) have connecting block (4), connecting block (4) one end fixed mounting has spring (5), the one end fixed mounting of spring (5) has stopper (6), circular arc top (8) have been seted up at piston head (7) top, oil ring groove (9) have been seted up at piston head (7) top, gas ring groove (10) have been seted up to piston head (7) middle part oil ring groove (9) below, piston head (7) bottom gas ring groove (10) below is seted up and is had lining annular (11).
2. A motorcycle engine piston as claimed in claim 1, wherein: the sum of the width value of the connecting block (4) and the outer diameter value of the piston skirt portion (1) is required to be smaller than the outer diameter value of the piston head (7).
3. A motorcycle engine piston as claimed in claim 1, wherein: the width value of the limiting block (6) and the diameter value of the spring (5) are not larger than the width value of the connecting block (4).
4. A motorcycle engine piston as claimed in claim 1, wherein: the height value of the circular arc top (8) of the piston head (7) is less than 0.5 cm, and the height value of the piston head (7) is less than that of the piston skirt part (1).
5. A motorcycle engine piston as claimed in claim 1, wherein: the spring (5) is extremely high in hardness requirement and is not easy to bend around, so that a tungsten carbide hard alloy product is adopted.
6. A motorcycle engine piston as claimed in claim 1, wherein: the inner diameter values of the oil ring groove (9), the gas ring groove (10) and the lining ring groove (11) are unequal, and the specific size value is set according to different models of vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283067.8U CN213510902U (en) | 2020-07-03 | 2020-07-03 | Motorcycle engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283067.8U CN213510902U (en) | 2020-07-03 | 2020-07-03 | Motorcycle engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213510902U true CN213510902U (en) | 2021-06-22 |
Family
ID=76434779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021283067.8U Active CN213510902U (en) | 2020-07-03 | 2020-07-03 | Motorcycle engine piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213510902U (en) |
-
2020
- 2020-07-03 CN CN202021283067.8U patent/CN213510902U/en active Active
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