CN212898725U - Elastic piston of internal combustion engine - Google Patents

Abstract

The utility model discloses an elasticity internal-combustion engine piston, including cylinder, piston, connecting rod, bent axle and flywheel, the piston sets up in the cylinder, the bent axle with the flywheel is located the below of piston, the both ends of connecting rod are connected respectively the piston with the bent axle, the bent axle is connected the flywheel, the cylinder the below of piston lower dead center is provided with the fixing base, install elastic buffer on the fixing base, the fixed contact spring board that is equipped with in elastic buffer top. Has the advantages that: the temperature of vice heat-conducting plate passes through mounting groove, connecting cylinder and first through-hole and transmits, and the temperature of heat-conducting plate passes through the second through-hole and transmits, finally transmits the below of piston, thereby because the intensity that sets up the chamber and reduce the piston of setting up, consequently need strengthen through the first enhancement piece that sets up and the second enhancement piece that strengthens to improve the intensity of piston.

Description

Elastic piston of internal combustion engine

Technical Field

The utility model relates to an engine field particularly, relates to an elasticity internal-combustion engine piston.

Background

Reciprocating piston internal combustion engines have a series of advantages such as high efficiency, small size, light weight and high power, and are widely used as automobile engines. The piston is a part which does reciprocating motion in an automobile engine cylinder body, because the weight of the piston necessarily generates great inertia, the inertia can change the direction by the kinetic energy of a flywheel when the piston turns around, not only consumes useful work, but also the crankshaft can generate vibration and generate noise when changing the motion direction of the piston, the piston is a part which does reciprocating motion in the automobile engine cylinder body, the piston works under the high temperature condition for a long time, the heat dissipation effect of the piston is poor, and the excessive temperature can cause the reduction of the strength of the piston material and the deformation of the piston due to excessive expansion, thereby affecting the normal use and the service life of the piston.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elasticity internal-combustion engine piston to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an elastic internal combustion engine piston comprises a cylinder, a piston, a connecting rod, a crankshaft and a flywheel, wherein the piston is arranged in the cylinder, the crankshaft and the flywheel are arranged below the piston, two ends of the connecting rod are respectively connected with the piston and the crankshaft, the crankshaft is connected with the flywheel, a fixed seat is arranged below a lower dead point of the piston of the cylinder, an elastic buffer part is installed on the fixed seat, a contact spring plate is fixedly arranged at the top end of the elastic buffer part, a setting cavity is arranged in the piston, a heat-conducting plate is arranged in the setting cavity, the top surface of the heat-conducting plate is connected with the top surface of the setting cavity, a vertical fixed rod is fixedly arranged at the center position of the bottom end of the setting cavity, the top end of the vertical fixed rod is fixed at the bottom end of the heat-conducting plate, transverse plates are fixedly arranged at two, the mounting groove internal fixation is equipped with vice heat-conducting plate, horizontal board bottom end fixed be equipped with the inside communicating connecting cylinder of mounting groove, the connecting cylinder bottom mounting set up the chamber bottom, the piston bottom seted up with the communicating first through-hole of connecting cylinder, the piston bottom is equipped with the second through-hole, piston top internal fixation is equipped with first enhancement piece, piston bottom internal fixation is equipped with the second enhancement piece.

Furthermore, the fixing seat is fixed with the cylinder through a screw, and the elastic buffer part is an annular spring.

Further, the fixing seat is annular, and the connecting rod penetrates through the inner ring of the fixing seat, the elastic buffer and the contact spring plate.

Further, the side surface of the piston is provided with three piston ring grooves.

Furthermore, the top surface of the transverse plate is wavy, and the first reinforcing sheet and the second reinforcing sheet are both made of thin ceramic layers.

Compared with the prior art, the utility model discloses following beneficial effect has:

when the piston moves towards the lower dead point, because the elastic buffer part is arranged below the lower dead point of the piston, after the piston contacts with the contact spring plate on the elastic buffer part, the elastic buffer part converts the inertia of the mass motion of the piston into elastic potential energy, when the piston rises, the elastic potential energy of the elastic buffer part is converted into kinetic energy for pushing the piston, thereby reducing the waste of the kinetic energy when the piston changes the motion direction in high-speed motion, simultaneously reducing the impact on a crankshaft and a flywheel when the piston changes the motion direction rapidly, leading the rotating speeds of the crankshaft and the flywheel to be more uniform, and reducing the noise caused by the impact, the connecting rod can swing in the inner ring of the fixed seat, when the temperature of the combustion chamber is transmitted to the heat conducting plate, a part of the temperature of the heat conducting plate is transmitted to the auxiliary heat conducting plate, the temperature of the auxiliary heat conducting plate is transmitted through the mounting groove, the connecting cylinder, finally, the strength of the piston is reduced due to the arranged cavity, so that the piston is required to be reinforced by the arranged first reinforcing sheet and the second reinforcing sheet, and the strength of the piston is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a resilient internal combustion engine piston according to an embodiment of the present invention.

Reference numerals:

1. a cylinder; 2. a piston; 3. a connecting rod; 4. a crankshaft; 5. a flywheel; 6. a fixed seat; 7. an elastic buffer member; 8. a contact spring plate; 9. providing a cavity; 10. a heat conducting plate; 11. a vertical fixing rod; 12. a transverse plate; 13. a secondary heat-conducting plate; 14. a connecting cylinder; 15. a first through hole; 16. a second through hole; 17. a piston ring groove; 18. a first reinforcing sheet; 19. a second reinforcing sheet.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1, an elastic piston for an internal combustion engine according to an embodiment of the present invention includes a cylinder 1, a piston 2, a connecting rod 3, a crankshaft 4 and a flywheel 5, wherein the piston 2 is disposed in the cylinder 1, the crankshaft 4 and the flywheel 5 are disposed below the piston 2, two ends of the connecting rod 3 are respectively connected to the piston 2 and the crankshaft 4, the crankshaft 4 is connected to the flywheel 5, a fixing seat 6 is disposed below a lower dead point of the piston 2 of the cylinder 1, an elastic buffer 7 is mounted on the fixing seat 6, a contact spring plate 8 is fixedly disposed at a top end of the elastic buffer 7, a setting cavity 9 is disposed inside the piston 2, a heat conducting plate 10 is disposed inside the setting cavity 9, a top surface of the heat conducting plate 10 is connected to a top surface inside the setting cavity 9, a vertical fixing rod 11 is fixedly disposed at a center position of an inner bottom end of the setting cavity 9, 11 tops of vertical dead lever are fixed heat-conducting plate 10 bottoms, it all fixes and is equipped with horizontal board 12 to set up intracavity 9 interior both sides, be equipped with the mounting groove on the horizontal board 12, the mounting groove internal fixation is equipped with vice heat-conducting plate 13, horizontal board 12 bottom mounting be equipped with the inside communicating connecting cylinder 14 of mounting groove, 14 bottom mounting of connecting cylinder set up the chamber 9 bottom, 2 bottoms of piston seted up with the communicating first through-hole 15 of connecting cylinder 14, 2 bottoms of piston are equipped with second through- hole 16, 2 tops of piston internal fixation are equipped with first enhancement piece 18, 2 bottoms of piston internal fixation are equipped with second enhancement piece 19.

Example two:

referring to fig. 1, for the fixing base 6, the fixing base 6 is fixed to the cylinder 1 by a screw, and the elastic buffer 7 is an annular spring.

Through the above technical scheme of the utility model, beneficial effect: note that the elastic force of the elastic buffer 7 is equal to the inertia of the mass of the piston 2 and the connecting rod 3 itself.

Example three:

referring to fig. 1, for the fixing base 6, the fixing base 6 is in a ring shape, and the connecting rod 3 passes through an inner ring of the fixing base 6, the elastic buffer 7 and the contact spring plate 8.

Example four:

referring to fig. 1, for a piston 2, the side surface of the piston 2 is provided with three ring grooves 17.

Example five:

referring to fig. 1, for the transverse plate 12, the top surface of the transverse plate 12 is wavy, and the first reinforcing plate 18 and the second reinforcing plate 19 are made of thin ceramic layers.

Through the above technical scheme of the utility model, beneficial effect: the ceramic layer has high bonding strength with the piston 2, and is excellent in high temperature resistance and ablation resistance, and the top surface of the transverse plate 12 is wavy, so that heat is more easily transferred to the sub-heat-conducting plate 13.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, when the piston 2 moves towards the bottom dead center, because the elastic buffer 7 is arranged below the bottom dead center of the piston 2, after the piston 2 contacts the contact spring plate 8 on the elastic buffer 7, the elastic buffer 7 converts the inertia of the mass motion of the piston 2 into elastic potential energy, when the piston 2 ascends, the elastic potential energy of the elastic buffer 7 is converted into kinetic energy for pushing the piston 2, thereby reducing the waste of the kinetic energy when the piston 2 changes the motion direction in high-speed motion, simultaneously reducing the impact on the crankshaft 4 and the flywheel 5 when the piston 2 changes the motion direction rapidly, leading the rotating speeds of the crankshaft 4 and the flywheel 5 to be more uniform, and reducing the noise caused by the impact, the connecting rod 3 can swing in the inner ring of the fixed seat 6, when the temperature of a combustion chamber is transmitted to the heat conducting plate 10, a part of the temperature of the heat conducting plate 10 is transmitted to the auxiliary heat conducting plate 13, and the temperature of the auxiliary, The connecting cylinder 14 and the first through hole 15 are communicated, and the temperature of the heat conducting plate 10 is communicated through the second through hole 16 and finally communicated to the lower part of the piston, because the arranged cavity 9 is arranged to reduce the strength of the piston 2, the first reinforcing sheet 18 and the second reinforcing sheet 19 are arranged to reinforce, thereby improving the strength of the piston 2.

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 (5)

1. The elastic internal combustion engine piston is characterized by comprising a cylinder (1), a piston (2), a connecting rod (3), a crankshaft (4) and a flywheel (5), wherein the piston (2) is arranged in the cylinder (1), the crankshaft (4) and the flywheel (5) are arranged below the piston (2), two ends of the connecting rod (3) are respectively connected with the piston (2) and the crankshaft (4), the crankshaft (4) is connected with the flywheel (5), a fixing seat (6) is arranged below a lower dead point of the piston (2) of the cylinder (1), an elastic buffer part (7) is installed on the fixing seat (6), a contact spring plate (8) is fixedly arranged at the top end of the elastic buffer part (7), a cavity (9) is arranged inside the piston (2), and a heat conducting plate (10) is arranged inside the cavity (9), the top surface of the heat conducting plate (10) is connected with the top surface inside the setting cavity (9), a vertical fixing rod (11) is fixedly arranged at the center position of the inner bottom end of the setting cavity (9), the top end of the vertical fixing rod (11) is fixed at the bottom end of the heat conducting plate (10), transverse plates (12) are fixedly arranged at the two sides in the setting cavity (9), mounting grooves are formed in the transverse plates (12), auxiliary heat conducting plates (13) are fixedly arranged in the mounting grooves, connecting cylinders (14) communicated with the inside of the mounting grooves are fixedly arranged at the bottom ends of the transverse plates (12), the bottom ends of the connecting cylinders (14) are fixed at the bottom end of the setting cavity (9), first through holes (15) communicated with the connecting cylinders (14) are formed in the bottom of the piston (2), second through holes (16) are formed in the bottom of the piston (2), first reinforcing sheets (18) are fixedly arranged at the top of, and a second reinforcing sheet (19) is fixedly arranged in the bottom of the piston (2).

2. A resilient combustion engine piston according to claim 1, characterized in that the fixing seat (6) is fixed to the cylinder (1) by means of screws, and the resilient buffer (7) is an annular spring.

3. A resilient combustion engine piston according to claim 1, characterized in that the holder (6) is ring-shaped, the connecting rod (3) passing through the inner ring of the holder (6), the resilient cushion (7) and the contact spring plate (8).

4. A resilient internal combustion engine piston according to claim 1, characterized in that the side surface of the piston (2) is provided with three piston ring grooves (17).

5. A resilient combustion engine piston according to claim 1, wherein the top surface of the transverse plate (12) is undulating and the first (18) and second (19) reinforcing plates are each formed from a thin ceramic layer.

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