High-performance aluminum piston

Abstract

The utility model provides a high-performance aluminum piston, which relates to the technical field of aluminum pistons and comprises a piston main body, a connecting rod assembly is rotatably connected in the piston main body, a mounting groove is formed in the top end of the piston main body, an inserting groove is formed in the left side of the piston main body in a penetrating manner, and a bolt column is inserted in the inserting groove. Adjusting nuts are in threaded connection with the left side and the right side of the interior of the mounting groove and located on the periphery of the inserting groove, limiting grooves are symmetrically formed in the positions, close to the top end, of the front face and the back face of the interior of the mounting groove, and the connecting rod assembly comprises a connecting rod main body which is arranged on the periphery of the plug pin column in a sleeving mode; the arc limiting strips are symmetrically welded to the front face and the back face of the connecting rod body, the adjusting nuts on the two sides are rotated inwards, the smooth faces of the inner sides of the adjusting nuts are attached to the connecting rod body, abrasion between the connecting rod body and the piston body in the using process is reduced, the using performance is greatly improved, and the service life is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum pistons, in particular to a high-performance aluminum piston. Background Art

[0002] Aluminum pistons are mainly used in automobile engines, responsible for converting the gas pressure generated by fuel combustion into mechanical motion. The aluminum piston moves up and down in the cylinder, driving the car wheels to rotate through the connecting rod and crankshaft mechanism.

[0003] Currently, aluminum pistons are usually used together with connecting rods in automobile engines. During the assembly process of the aluminum piston and the connecting rod, there is usually a certain gap between the connecting rod and the aluminum piston. During use, the connecting rod is prone to slight lateral sliding inside the aluminum piston. Over time, this will accelerate the wear between the connecting rod and the aluminum piston, and even cause the aluminum piston to directly disconnect from the connecting rod, thereby reducing the service life. Therefore, we propose a high-performance aluminum piston. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art. At present, in automobile engines, aluminum pistons are usually used together with connecting rods. During the assembly process of the aluminum piston and the connecting rod, there is usually a certain gap between the connecting rod and the aluminum piston. During use, the connecting rod is prone to slight lateral sliding inside the aluminum piston. Over time, the wear between the connecting rod and the aluminum piston will be accelerated, and the aluminum piston and the connecting rod may even be directly disconnected, thereby reducing the service life.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A high-performance aluminum piston comprises a piston body, wherein a connecting rod assembly is rotatably connected to the interior of the piston body;

[0007] The top of the piston body is provided with a mounting groove, the left side of the piston body is provided with a slot running through the right side, a latch column is inserted into the slot, and adjustment nuts are threadedly connected on the left and right sides of the mounting groove and on the periphery of the slot, and limiting grooves are symmetrically provided on the front and back sides of the mounting groove near the top.

[0008] The connecting rod assembly comprises a connecting rod body, which is sleeved on the periphery of the latch column, and arc limiting strips are symmetrically welded on the front and back sides of the connecting rod body.

[0009] As a preferred solution of the present invention, the piston body is made of hypereutectic aluminum-silicon alloy.

[0010] The technical effect of adopting the above further scheme is that the hypereutectic aluminum-silicon alloy contains a higher proportion of silicon, has a lower density, linear expansion coefficient and better wear resistance, and especially after proper heat treatment, its mechanical properties can be significantly improved, thereby improving practical stability.

[0011] As a preferred solution of the present invention, an oil ring is sleeved on the periphery of the piston body near the bottom, and an air ring is sleeved on the periphery of the piston body and located on the top of the oil ring.

[0012] The technical effect of adopting the above-mentioned further scheme is: the gap between the piston body and the cylinder wall can be sealed by the air ring to prevent the gas in the combustion chamber from leaking into the crankcase, thereby ensuring the normal operation of the engine; the excess lubricating oil on the cylinder wall can be scraped off by the oil ring to prevent excessive lubricating oil from entering the combustion chamber, thereby reducing the waste of engine oil and pollution of the combustion chamber and improving practicality.

[0013] As a preferred solution of the present invention, a threaded rod is threadedly connected to the top of the piston body near the left and right sides through the slots and the pin columns.

[0014] The technical effect of adopting the above further solution is: by rotating the threaded rod, it can pass through the slot and the pin column, thereby fixing the pin column inside the slot, preventing the pin column from loosening during use, and improving the stability of use.

[0015] As a preferred solution of the present invention, the adjusting nut is made of metal, and the inner side thereof in contact with the connecting rod body is a clean and smooth surface.

[0016] The technical effect of adopting the above further solution is: by rotating the adjusting nut, it can be moved inward, so that it is close to the connecting rod body, reducing the wear between the connecting rod body and the piston body during use, and effectively improving the performance and service life.

[0017] As a preferred solution of the present invention, the limiting groove is a semicircular arc structure and is opened inclined inward, and the arc limiting strip is adapted to the limiting groove.

[0018] The technical effect of adopting the above further solution is: during the installation of the connecting rod body, the connecting rod body can be positioned by embedding the arc limit strip into the limit groove to prevent it from shifting, thereby improving the convenience of installation.

[0019] As a preferred solution of the present invention, the connecting rod body is made of 4032 aluminum alloy.

[0020] The technical effect of adopting the above further solution is: 4032 aluminum alloy is a high-performance aluminum-silicon alloy with excellent high temperature resistance, strength and wear resistance. The 4032 aluminum alloy material can improve the strength and service life of the connecting rod body and improve the overall stability of use.

[0021] As a preferred solution of the present invention, a circular arc cover plate is installed on the top end of the connecting rod body through bolts.

[0022] The technical effect of adopting the above further solution is that the connecting rod body and the external driving mechanism can be fixed by the arc cover plate, thereby providing power for the sliding of the piston body.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] In the utility model, through the design of the piston body and the connecting rod assembly, when assembling the connecting rod body, the pin column is passed through the connecting rod body, and the threaded rod is rotated to fix the pin column inside the slot to complete the initial fixation, and then the adjusting nuts on both sides are rotated inwardly to make the smooth inner surfaces close to the connecting rod body, thereby reducing the wear between the connecting rod body and the piston body during use, greatly improving the performance of use, and effectively increasing the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a high-performance aluminum piston provided by the utility model;

[0026] Figure 2 This is an anatomical diagram of the overall top structure of a high-performance aluminum piston provided by the utility model;

[0027] Figure 3 This is an anatomical diagram of the overall side structure of a high-performance aluminum piston provided by the utility model;

[0028] Figure 4 This is a side structural anatomical diagram of a connecting rod assembly of a high-performance aluminum piston provided by the utility model.

[0029] Legend: 1. Piston body; 101. Mounting groove; 102. Slot; 103. Latch column; 104. Adjusting nut; 105. Limit groove; 106. Oil ring; 107. Gas ring; 108. Threaded rod; 2. Connecting rod assembly; 201. Connecting rod body; 2011. Arc cover plate; 202. Arc limit strip. DETAILED DESCRIPTION

[0030] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to relevant references, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0034] Example 1

[0035] like Figure 1-4 As shown, the utility model provides a technical solution: a high-performance aluminum piston, including a piston body 1, the interior of the piston body 1 is rotatably connected to a connecting rod assembly 2, the top of the piston body 1 is provided with a mounting groove 101, the left side of the piston body 1 is provided with a slot 102 running through the right side, a latch column 103 is inserted into the interior of the slot 102, and an adjusting nut 104 is threadedly connected to the left and right sides of the interior of the mounting groove 101 and located on the periphery of the slot 102, and limiting grooves 105 are symmetrically provided on the front and back sides of the interior of the mounting groove 101 near the top, the connecting rod assembly 2 includes a connecting rod body 201, the connecting rod body 201 is sleeved on the periphery of the latch column 103, and arc limiting strips 202 are symmetrically welded on the front and back sides of the connecting rod body 201.

[0036] Example 2

[0037] like Figure 1-4As shown, the piston body 1 is made of a hypereutectic aluminum-silicon alloy. The hypereutectic aluminum-silicon alloy contains a high proportion of silicon. Especially after proper heat treatment, its mechanical properties can be significantly improved, which can improve the stability of the piston body 1. An oil ring 106 is sleeved on the periphery of the piston body 1 near the bottom, and an air ring 107 is sleeved on the periphery of the piston body 1 and at the top of the oil ring 106. The air ring 107 can prevent the gas in the combustion chamber from leaking into the crankcase, and the oil ring 106 can scrape off excess lubricating oil on the cylinder wall. To reduce the waste of engine oil and the pollution of the combustion chamber, and improve the performance of the engine, the top of the piston body 1 is near the left and right sides, which penetrate the slots 102 and the latch column 103 and are threadedly connected with a threaded rod 108. By rotating the threaded rod 108, it can penetrate the slot 102 and the latch column 103, thereby fixing the latch column 103 inside the slot 102, preventing the latch column 103 from loosening during use, and improving the stability of use. The adjusting nut 104 is made of metal, and its inner side contacting the connecting rod body 201 is a clean and smooth surface. By rotating the adjusting nut 104, it can be moved inward, so that it is close to the connecting rod body 201, reducing the wear between the connecting rod body 201 and the piston body 1 during use, effectively improving the performance and service life, the limiting groove 105 is a semi-circular arc structure, and is tilted inward, the arc limiting strip 202 is adapted to the limiting groove 105, in the process of installing the connecting rod body 201, the connecting rod body 201 can be positioned by embedding the arc limiting strip 202 into the limiting groove 105, preventing It is offset, thereby improving the convenience of installation. The connecting rod body 201 is made of 4032 aluminum alloy. 4032 aluminum alloy has excellent high temperature resistance, strength and wear resistance. The 4032 aluminum alloy material can improve the strength and service life of the connecting rod body 201, and improve the overall stability of use. The top of the connecting rod body 201 is installed with an arc cover plate 2011 by bolts. The arc cover plate 2011 can be used to fix the connecting rod body 201 and the external drive mechanism, thereby providing power for the sliding of the piston body 1.

[0038] The working process of the present invention is as follows: when assembling and using a high-performance aluminum piston, first, extend the end of the connecting rod body 201 away from the arc cover plate 2011 into the installation groove 101, and insert the pin column 103 from the outside of the piston body 1, so that it passes through the slot 102 and the connecting rod body 201, and rotate the threaded rod 108 to fix the pin body inside the slot 102, completing the preliminary installation process, and rotate the adjusting nut 104 inward so that the smooth inner surface is close to the connecting rod body 201, which can reduce the gap between the connecting rod body 201 and the piston body 1, thereby reducing the wear between the two during use, greatly improving the performance, and effectively increasing the service life.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-performance aluminum piston, comprising a piston body (1), characterized in that: The piston body (1) is internally rotatably connected to a connecting rod assembly (2); The top of the piston body (1) is provided with a mounting groove (101), the left side of the piston body (1) is provided with a slot (102) running through the right side, a latch column (103) is inserted into the interior of the slot (102), and adjusting nuts (104) are threadedly connected on the left and right sides of the interior of the mounting groove (101) and located on the periphery of the slot (102), and limiting grooves (105) are symmetrically provided on the front and back sides of the interior of the mounting groove (101) near the top. The connecting rod assembly (2) comprises a connecting rod body (201), the connecting rod body (201) being sleeved on the periphery of the latch column (103), and arc limiting strips (202) being symmetrically welded on the front and back sides of the connecting rod body (201).

2. A high-performance aluminum piston according to claim 1, characterized in that: The piston body (1) is made of a hypereutectic aluminum-silicon alloy.

3. The high-performance aluminum piston according to claim 1, characterized in that: An oil ring (106) is sleeved on the periphery of the piston body (1) near the bottom, and an air ring (107) is sleeved on the periphery of the piston body (1) and located at the top end of the oil ring (106).

4. The high-performance aluminum piston according to claim 1, characterized in that: The top end of the piston body (1) is threadedly connected to a threaded rod (108) near the left and right sides thereof, penetrating the slots (102) and the latch pin (103).

5. The high-performance aluminum piston according to claim 1, characterized in that: The adjusting nut (104) is made of metal, and the inner side thereof in contact with the connecting rod body (201) is a clean and smooth surface.

6. The high-performance aluminum piston according to claim 1, characterized in that: The limiting groove (105) is a semicircular arc structure and is inclined inwardly, and the circular arc limiting strip (202) is adapted to the limiting groove (105).

7. The high-performance aluminum piston according to claim 1, characterized in that: The connecting rod body (201) is made of 4032 aluminum alloy.

8. The high-performance aluminum piston according to claim 1, characterized in that: A circular arc cover plate (2011) is mounted on the top end of the connecting rod body (201) via bolts.

Images