Combination device for reducing abrasion of cylinder sleeve of air cylinder of reciprocating compressor

Abstract

The utility model discloses a combined device for reducing abrasion of a cylinder sleeve of a reciprocating compressor cylinder, and relates to the technical field of compressor cylinders. The air cylinder comprises an air cylinder piston which is arranged in an air cylinder sleeve in a sliding mode, the air cylinder piston is a hollow cavity, oil absorption sponge is arranged in the air cylinder piston, sealing rings are arranged on the two sides of the surface of the air cylinder piston, and oil leakage holes are evenly distributed in the middle of the air cylinder piston. And the piston rod is connected to one side of the cylinder piston. According to the utility model, by utilizing the capillary action and the siphon principle, the lubricating oil in the oil storage sponge is absorbed into the oil absorption sponge in the air cylinder piston through the water absorption rope, so that the automatic absorption and transmission of the lubricating oil are realized; lubricating oil is evenly smeared on the surface of the air cylinder piston through the oil leakage holes to lubricate the inner wall of the air cylinder sleeve, abrasion is effectively reduced, and the service life of equipment is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, specifically to a combined device for reducing wear of cylinder liners in reciprocating compressors. Background Technology

[0002] In reciprocating compressors, the cylinder and piston system plays a central role. It converts compressed air pressure energy into mechanical energy, driving the piston to reciprocate linearly within the cylinder. This working principle differs significantly from that of hydraulic cylinders, which use hydraulic oil as a medium to convert hydraulic energy into mechanical energy to propel the piston. A key difference is that hydraulic cylinders, being filled with hydraulic oil, do not require additional lubrication of the piston surface, as the hydraulic oil itself provides lubrication. However, in the cylinder system of a compressor, the addition of lubricating oil is a crucial issue.

[0003] In traditional reciprocating compressor cylinder designs, the piston moves at high speed inside the cylinder. To reduce wear and friction, lubricating oil needs to be applied to the piston surface. However, under current technological conditions, adding lubricating oil to the piston surface once it is installed becomes extremely inconvenient. Over time, the initial lubricating oil may gradually dry up or be completely consumed, leading to increased friction between the piston and the cylinder wall, and consequently, wear on the cylinder liner. This wear not only affects the compressor's efficiency and performance but may also shorten the equipment's lifespan and increase maintenance costs. Therefore, we propose a combined device to reduce cylinder liner wear in reciprocating compressors to solve these problems. Summary of the Invention

[0004] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0005] A combined device for reducing cylinder liner wear in a reciprocating compressor includes:

[0006] The cylinder piston is slidably disposed inside the cylinder liner. The cylinder piston is a hollow cavity. An oil-absorbing sponge is disposed inside the cylinder piston. Sealing rings are disposed on both sides of the surface of the cylinder piston. Oil leakage holes are evenly distributed in the middle of the cylinder piston.

[0007] A piston rod is connected to one side of the cylinder piston. The piston rod is a hollow cavity and is connected to the cylinder piston. The interior of the piston rod is filled with absorbent rope.

[0008] An mounting cylinder is connected to the end of the piston rod away from the cylinder piston. The interior of the mounting cylinder is provided with an oil reservoir sponge, and the interior of the oil reservoir sponge is impregnated with lubricating oil.

[0009] Furthermore, annular grooves are provided on both sides of the surface of the cylinder piston, and the sealing ring is embedded inside the annular grooves.

[0010] Furthermore, the cylinder piston has an open bottom structure and is threadedly connected to a plug disc.

[0011] Furthermore, a raw material strip is provided at the connection between the plug disc and the cylinder piston.

[0012] Furthermore, both ends of the absorbent rope are provided with ball knots, and the two ball knots are respectively embedded inside the cylinder piston and the mounting cylinder.

[0013] Furthermore, an oil filling port is provided in the middle of one side of the mounting cylinder.

[0014] Furthermore, a connecting plate is provided on the side of the mounting cylinder away from the piston rod, and the surface of the connecting plate is provided with mounting holes.

[0015] The beneficial effects of this utility model are as follows:

[0016] This invention utilizes capillary action and the siphon principle to absorb lubricating oil from the oil-storing sponge inside the cylinder piston through an absorbent rope, achieving automatic adsorption and transfer of lubricating oil. When the cylinder piston performs linear reciprocating motion inside the cylinder, the lubricating oil is evenly coated on the surface of the cylinder piston through the oil leakage hole, lubricating the inner wall of the cylinder liner, effectively reducing wear and extending the service life of the equipment. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is another three-dimensional structural schematic diagram of this utility model;

[0019] Figure 3 This is a top view of the present invention;

[0020] Figure 4 This is a utility model Figure 3 Schematic diagram of cross-section along the A-A direction.

[0021] Reference numerals in the attached drawings: 1. Cylinder piston; 101. Annular groove; 102. Oil leakage hole; 2. Oil-absorbing sponge; 3. Sealing ring; 4. Piston rod; 5. Water-absorbing rope; 501. Ball knot; 6. Mounting cylinder; 601. Oil filling port; 7. Oil storage sponge; 8. Plug disc; 9. Teflon tape; 10. Connecting plate. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0023] This application provides a combined device for reducing cylinder liner wear in a reciprocating compressor. It primarily addresses the problem that, in existing technologies, adding lubricating oil to the piston surface after installation is extremely inconvenient. Over time, the initial lubricating oil may gradually dry out or be completely consumed, leading to increased friction between the piston and cylinder wall, and consequently, cylinder liner wear. The application provides the following technical solution, which will be discussed in conjunction with… Figures 1-4 Please provide a detailed explanation:

[0024] A combined device for reducing cylinder liner wear in a reciprocating compressor includes:

[0025] The cylinder piston 1 is slidably disposed inside the cylinder liner. The cylinder piston 1 is a hollow cavity. An oil-absorbing sponge 2 is disposed inside the cylinder piston 1. Sealing rings 3 are disposed on both sides of the surface of the cylinder piston 1. Oil leakage holes 102 are evenly distributed in the middle of the cylinder piston 1.

[0026] Piston rod 4 is connected to one side of cylinder piston 1. Piston rod 4 is a hollow cavity and is connected to cylinder piston 1. The interior of piston rod 4 is filled with water-absorbing rope 5.

[0027] The mounting cylinder 6 is connected to the end of the piston rod 4 away from the cylinder piston 1. The mounting cylinder 6 is equipped with an oil storage sponge 7, and the oil storage sponge 7 is impregnated with lubricating oil. An oil inlet 601 is provided in the middle of one side of the mounting cylinder 6.

[0028] Workflow Description:

[0029] The first step is lubricating oil injection: Lubricating oil is injected into the oil storage sponge 7 through the oil injection port 601 on the side of the mounting cylinder 6. The oil storage sponge 7 absorbs and stores the lubricating oil. It should be noted that the oil storage sponge 7 is made of open-cell foam material (such as polyurethane), whose high porosity (>90%) can absorb several times its own weight of lubricating oil, ensuring long-term stable oil storage. The oil storage sponge 7 stores lubricating oil through surface tension and pore oil-locking effect.

[0030] The second step is lubricating oil transfer: the lubricating oil in the oil storage sponge 7 is adsorbed by the capillary action of the water-absorbing rope 5 (capillary material), and at the same time, the siphon effect helps to maintain the continuous flow of lubricating oil in the water-absorbing rope 5, so that the lubricating oil is delivered to the oil-absorbing sponge 2 inside the cylinder piston 1.

[0031] The third step is the release of lubricating oil: After the oil-absorbing sponge 2 absorbs the lubricating oil, it seeps out through the oil leakage holes 102 that are evenly distributed on the surface of the cylinder piston 1. When the piston reciprocates, the seeping lubricating oil is evenly coated on the inner wall of the cylinder liner to form a lubricating film, thereby preventing the cylinder liner from being worn.

[0032] This device utilizes capillary action and the siphon principle to absorb the lubricating oil inside the oil storage sponge 7 into the oil-absorbing sponge 2 inside the cylinder piston 1 via the water-absorbing rope 5. This achieves automatic adsorption and transfer of lubricating oil. When the cylinder piston 1 performs linear reciprocating motion inside the cylinder, the lubricating oil is evenly coated on the surface of the cylinder piston 1 through the oil leakage hole 102, lubricating the inner wall of the cylinder liner, effectively reducing wear, and extending the service life of the equipment.

[0033] like Figure 2 As shown, in some embodiments, annular grooves 101 are provided on both sides of the surface of the cylinder piston 1, and the sealing ring 3 is embedded in the annular grooves 101. More specifically, by providing annular grooves 101 on the surface of the cylinder piston 1, the sealing ring 3 can be tightly and securely fitted therein, preventing the sealing ring 3 from shifting or loosening during the movement of the cylinder piston 1. For example, in some high-temperature and high-pressure working environments, if the sealing ring 3 is not accurately positioned and restricted by the annular grooves 101, it may shift due to airflow impact or vibration, thereby affecting the sealing effect and causing a decrease in compressor performance.

[0034] like Figure 4 As shown, in some embodiments, the cylinder piston 1 has an open bottom structure and is threadedly connected to a plug disc 8. More specifically, the cylinder piston 1 adopts an open bottom design, which provides a convenient passage for subsequent operations. This design allows the operator to directly place the oil-absorbing sponge 2 into the designated position inside the cylinder piston 1 through the open when installing the oil-absorbing sponge 2, avoiding the operational difficulties caused by the enclosed space.

[0035] like Figure 2 As shown, in some embodiments, a PTFE tape 9 is provided at the connection between the plug disc 8 and the cylinder piston 1. More specifically, providing the PTFE tape 9 at the connection between the plug disc 8 and the cylinder piston 1 can effectively fill the thread gap and prevent lubricating oil or gas from leaking from the connection. When the compressor is running, the inside of the cylinder is under high pressure. If there is leakage at the connection, it will not only lead to the waste and consumption of lubricating oil, affecting the lubrication effect and the service life of the cylinder liner, but may also reduce the working efficiency of the compressor and even cause safety problems. The PTFE tape 9 can form a reliable sealing barrier to ensure the sealing of the connection and maintain the pressure stability inside the cylinder.

[0036] like Figure 4As shown, in some embodiments, both ends of the absorbent rope 5 are provided with ball knots 501, and the two ball knots 501 are respectively embedded inside the cylinder piston 1 and the mounting cylinder 6. More specifically, during the operation of the compressor, the cylinder piston 1 will reciprocate, which will cause the absorbent rope 5 connected to it to have a large displacement and sway. By providing ball knots 501 at both ends of the absorbent rope 5 and embedding the ball knots 501 inside the cylinder piston 1 and the mounting cylinder 6 respectively, the displacement range of the absorbent rope 5 can be effectively limited, so that it can only move within a predetermined space. In addition, the ball knots 501 embedded inside the cylinder piston 1 and the mounting cylinder 6 can increase the oil suction area and improve the lubricating oil delivery efficiency.

[0037] like Figure 3 As shown, in some embodiments, a connecting plate 10 is provided on the side of the mounting cylinder 6 away from the piston rod 4. The surface of the connecting plate 10 is provided with mounting holes. More specifically, the connecting plate 10 is provided with mounting holes. The presence of these mounting holes makes the installation and disassembly process of the mounting cylinder 6 more convenient and faster. In actual installation operations, workers can use bolts, screws and other connectors to fix the mounting cylinder 6 to other components.

[0038] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A combined device for reducing cylinder liner wear in a reciprocating compressor, characterized in that, include: The cylinder piston (1) is slidably disposed inside the cylinder liner. The cylinder piston (1) is a hollow cavity. An oil-absorbing sponge (2) is disposed inside the cylinder piston (1). Sealing rings (3) are disposed on both sides of the surface of the cylinder piston (1). Oil leakage holes (102) are evenly distributed in the middle of the cylinder piston (1). The piston rod (4) is connected to one side of the cylinder piston (1). The piston rod (4) is a hollow cavity and is connected to the cylinder piston (1). The interior of the piston rod (4) is filled with a water-absorbing rope (5). The mounting cylinder (6) is connected to the end of the piston rod (4) away from the cylinder piston (1). The mounting cylinder (6) is provided with an oil storage sponge (7), and the oil storage sponge (7) is impregnated with lubricating oil.

2. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 1, characterized in that, The cylinder piston (1) has annular grooves (101) on both sides of its surface, and the sealing ring (3) is embedded in the annular grooves (101).

3. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 1, characterized in that, The cylinder piston (1) has an open bottom structure and is threadedly connected to a plug disc (8).

4. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 3, characterized in that, A raw material belt (9) is provided at the connection between the piston disc (8) and the cylinder piston (1).

5. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 1, characterized in that, Both ends of the absorbent rope (5) are provided with ball knots (501), and the two ball knots (501) are respectively embedded in the cylinder piston (1) and the mounting cylinder (6).

6. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 1, characterized in that, An oil inlet (601) is provided in the middle of one side of the mounting cylinder (6).

7. The combined device for reducing cylinder liner wear of a reciprocating compressor according to claim 1, characterized in that, A connecting plate (10) is provided on the side of the mounting cylinder (6) away from the piston rod (4), and the surface of the connecting plate (10) is provided with mounting holes.

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