Air cooling and water cooling integrated double-cylinder engine cylinder sleeve

Abstract

The utility model discloses an air cooling and water cooling integrated double-cylinder engine cylinder sleeve, which comprises a cylinder barrel, two cylinder sleeve main bodies and a fan cover, the two cylinder sleeve main bodies are both arranged inside the cylinder barrel, a liquid suction groove is arranged at the upper position of each cylinder sleeve main body, the fan cover is arranged at the end part of each cylinder sleeve main body, an air blowing opening is arranged at the end part of each fan cover, and the air blowing openings are communicated with the liquid suction groove. A fan is arranged in the fan cover, a sealing gasket is arranged between the fan cover and the cylinder sleeve body, and a water cooling coil pipe is arranged on the inner side of the cylinder sleeve body. According to the utility model, the two cylinder sleeve main bodies are arranged in the cylinder barrel, so that double-cylinder control can be simultaneously carried out, the water cooling cavity is arranged between the cylinder sleeve main bodies and the cylinder barrel, so that water cooling can be carried out, the fan cover is arranged at the end part of each cylinder sleeve main body, and the fan is arranged in the fan cover, so that air blowing heat dissipation can be carried out through the fan cover, and the cooling efficiency is improved. And through cooperation of wind and water heat dissipation, the heat dissipation effect can be improved.

Description

Technical Field

[0001] The utility model relates to the field of cylinder sleeves, in particular to an air-water-cooled double-cylinder engine cylinder sleeve. Background Art

[0002] Cylinder liner is the abbreviation of cylinder liner. It is embedded in the cylinder barrel of the cylinder body and forms a combustion chamber together with the piston and cylinder head. Cylinder liner is divided into two categories: dry cylinder liner and wet cylinder liner. The cylinder liner whose back does not contact the cooling water is called dry cylinder liner, and the cylinder liner whose back contacts the cooling water is wet cylinder liner. The dry cylinder liner is thin, simple in structure and easy to process. The wet cylinder liner directly contacts the cooling water, so it is beneficial to the cooling of the engine and the compactness and lightness of the engine.

[0003] For example, the authorized patent with publication number CN103131945B (boron-containing low-carbon bainite cylinder liner): The cylinder liner is made of the following raw materials in weight percentage: carbon: 2.50~3.0%, silicon: 1.6~2.6%, manganese: 0.5~1.2%, sulfur: 0~0.15%, phosphorus: 0.1%~0.6%, nickel: 0.3~1.5%, molybdenum: 0.3~1.5%, copper: 0.3~1.2%, boron: 0.01~0.08%, inoculant: 0.20~0.5%, and the balance is iron. The preparation steps are as follows: batching, melting, inoculation, casting, forced cooling and heat preservation. The present invention effectively reduces the content of carbon and silicon elements in the alloy, and at the same time increases copper, molybdenum and nickel elements, so that the cylinder liner material can obtain a bainite matrix at extremely low cost conditions while improving the wear resistance of the cylinder liner itself, so that the strength and wear resistance of the cylinder liner are greatly improved;

[0004] At present, most cylinder liners adopt a single-cylinder structure, and it is impossible to install multiple cylinders in a connected manner. In addition, the cooling effect of the cylinder liners is not enough, and air-water cooling cannot be used in combination. The cooling method is single, and the cylinder liners cannot be cooled from the inside, resulting in low cooling efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a twin-cylinder engine cylinder liner with integrated air and water cooling, so as to solve the problem that the cylinder liner proposed in the above background technology mostly adopts a single-cylinder structure, it is impossible to install multiple cylinders in a connected body, the cooling effect of the cylinder liner is not enough, it is impossible to use air and water cooling, the cooling method is single, the cylinder liner cannot be cooled from the inside, and the cooling efficiency is low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air-water-cooled twin-cylinder engine cylinder liner, comprising a cylinder barrel, a cylinder liner body and a fan cover, wherein the two cylinder liner bodies are arranged inside the cylinder barrel, a liquid suction groove is provided at the upper position on the cylinder liner body, a fan cover is provided at the end of the cylinder liner body, a blowing port is provided at the end of the fan cover, a fan is provided inside the fan cover, a sealing gasket is provided between the fan cover and the cylinder liner body, and a water-cooling coil is provided on the inner side of the cylinder liner body.

[0007] In a further embodiment, the liquid suction trough is provided with a plurality of liquid guide holes, and the liquid guide holes are connected to the ends of the water cooling coil.

[0008] In a further embodiment, a heat exchange insulation layer is provided on the inner side wall of the cylinder liner body, and the water cooling coil is provided between the heat exchange insulation layer and the cylinder liner body.

[0009] In a further embodiment, a water cooling chamber is provided between the cylinder barrel and the cylinder liner body, and a sealing gasket is sealed between the water cooling chamber and the fan cover.

[0010] In a further embodiment, a fan is provided inside the fan cover, a fan is provided in the middle of the fan cover, and a mounting seat is provided in the middle of the fan.

[0011] In a further embodiment, a piston is provided inside the cylinder liner body, and a cold water injection port is provided on the outside of the cylinder barrel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with two cylinder liner bodies, and the two cylinder liner bodies are both arranged in the cylinder barrel, so that dual-cylinder control can be performed simultaneously, a water cooling chamber is provided between the cylinder liner body and the cylinder barrel, so that water cooling can be performed, and a fan cover is provided at the end of the cylinder liner body, and a fan is provided inside the fan cover, through which air blowing and heat dissipation can be performed, and the combination of wind and water heat dissipation can improve the heat dissipation effect.

[0014] 2. The utility model has a liquid suction groove on the cylinder liner body, a liquid guide hole on the liquid suction groove, and a heat exchange insulation layer on the inner side wall of the cylinder liner body. A water cooling coil is provided between the heat exchange insulation layer and the cylinder liner body, and the end of the water cooling coil is connected with the liquid guide hole, so that cold water can be introduced into the water cooling coil, so that it can be internally cooled, which can improve the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a double-cylinder engine liner with integrated air and water cooling according to the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cylinder sleeve main body of the utility model;

[0017] Figure 3 This is a bottom view of the fan cover of the utility model;

[0018] Figure 4 It is a structural schematic diagram of part A of the utility model.

[0019] In the figure: 1. Cylinder barrel; 2. Water-cooling chamber; 3. Cylinder liner body; 4. Sealing gasket; 5. Fan cover; 6. Liquid suction groove; 7. Liquid guide hole; 8. Heat exchange insulation layer; 9. Water-cooling coil; 10. Air outlet; 11. Fan; 12. Mounting base. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a double-cylinder engine cylinder liner with air and water cooling, comprising a cylinder barrel 1, a cylinder liner body 3 and a fan cover 5. The two cylinder liner bodies 3 are both arranged inside the cylinder barrel 1. A liquid suction groove 6 is provided at the upper position on the cylinder liner body 3. A fan cover 5 is provided at the end of the cylinder liner body 3. A blowing port 10 is provided at the end of the fan cover 5. A fan 11 is provided inside the fan cover 5. A sealing gasket 4 is provided between the fan cover 5 and the cylinder liner body 3. A water cooling coil 9 is provided on the inner side of the cylinder liner body 3; the liquid suction groove 6 is used to absorb cold water, and air cooling can be performed through the fan cover 5. The fan cover 5 can be waterproofed by the sealing gasket 4, and the inside of the cylinder liner body 3 can be water-cooled by the water cooling coil 9; a plurality of liquid guide holes 7 are provided on the liquid suction groove 6, and the liquid guide holes 7 are connected to the ends of the water cooling coil 9, and cold water is sucked in through the liquid guide holes 7.

[0022] The inner wall of the cylinder liner body 3 is provided with a heat exchange insulation layer 8 , and the water cooling coil 9 is provided between the heat exchange insulation layer 8 and the cylinder liner body 3 . The heat exchange insulation layer 8 can protect the inner side of the cylinder liner body 3 .

[0023] Furthermore, a water cooling chamber 2 is provided between the cylinder barrel 1 and the cylinder liner body 3, and a sealing gasket 4 is sealed between the water cooling chamber 2 and the fan cover 5. Cold water is stored in the water cooling chamber 2. A piston is provided inside the cylinder liner body 3, and a cold water injection port is provided on the outside of the cylinder barrel 1.

[0024] A fan 11 is provided inside the fan cover 5, a fan 11 is provided in the middle of the fan cover 5, a mounting seat 12 is provided in the middle of the fan 11, and air is blown by the fan 11 to perform air cooling.

[0025] Working principle: When in use, two cylinder liner bodies 3 are arranged side by side in the cylinder barrel 1, and the fan cover 5 is isolated from the cylinder liner body 3 by the sealing gasket 4, and cold water is added to the water-cooling chamber 2. The fan 11 can be used for blowing cooling, and the cylinder liner body 3 can be water-cooled by the cold water in the water-cooling chamber 2, and the liquid is absorbed through the liquid guide hole 7 on the liquid suction groove 6, and the cold water can be introduced into the water-cooling coil 9. The cylinder liner body 3 can be internally water-cooled through the water-cooling coil 9, which can improve the water cooling efficiency and effect. The inner side of the cylinder liner body 3 can be heat-isolated through the heat exchange insulation layer 8, and the water-cooling coil 9 can be protected.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A twin-cylinder engine cylinder liner with integrated air and water cooling, comprising a cylinder barrel (1), a cylinder liner body (3) and a fan cover (5), characterized in that: The two cylinder liner bodies (3) are both arranged inside the cylinder barrel (1); a liquid suction groove (6) is provided at an upper position on the cylinder liner body (3); a fan cover (5) is provided at the end of the cylinder liner body (3); a blowing port (10) is provided at the end of the fan cover (5); a fan (11) is provided inside the fan cover (5); a sealing gasket (4) is provided between the fan cover (5) and the cylinder liner body (3); and a water cooling coil (9) is provided on the inner side of the cylinder liner body (3).

2. The air-water-cooled twin-cylinder engine liner according to claim 1, characterized in that: The liquid suction groove (6) is provided with a plurality of liquid guide holes (7), and the liquid guide holes (7) are connected to the ends of the water cooling coil (9).

3. The air-water-cooled twin-cylinder engine liner according to claim 2, characterized in that: The inner side wall of the cylinder liner body (3) is provided with a heat exchange insulation layer (8), and the water cooling coil (9) is provided between the heat exchange insulation layer (8) and the cylinder liner body (3).

4. The air-water-cooled twin-cylinder engine liner according to claim 1, characterized in that: A water cooling chamber (2) is provided between the cylinder barrel (1) and the cylinder sleeve body (3), and a sealing gasket (4) is sealed between the water cooling chamber (2) and the fan cover (5).

5. The air-water-cooled twin-cylinder engine liner according to claim 1, characterized in that: A fan (11) is provided inside the fan cover (5), a fan (11) is provided in the middle of the fan cover (5), and a mounting seat (12) is provided in the middle of the fan (11).

6. The air-water-cooled twin-cylinder engine liner according to claim 1, characterized in that: A piston is provided inside the cylinder sleeve body (3), and a cold water injection port is provided on the outside of the cylinder barrel (1).

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