Aluminum alloy cylinder compressor
By using an ADC-12 aluminum alloy cylinder block and a nitriding layer, combined with a noise reduction mechanism, the problems of heavy compressor cylinder block weight and poor thermal conductivity are solved, achieving lightweighting, noise reduction, improved wear resistance, and extended service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-03
AI Technical Summary
Existing compressor cylinders are mostly made of cast iron or steel, resulting in heavy weight, poor thermal conductivity, high energy consumption, and low heat dissipation efficiency.
The bottom, middle, and top cylinder blocks are made of ADC-12 aluminum alloy, combined with a nitriding layer and a noise reduction mechanism to enhance the structure and reduce noise.
This achieves compressor lightweighting, improves thermal conductivity, reduces noise pollution, extends component life, and reduces wear and maintenance costs.
Smart Images
Figure CN223964563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of compressor technology, and in particular to aluminum alloy cylinder compressor. Background Technology
[0002] A compressor is a fluid machine that raises low-pressure gas to high-pressure gas. It uses a power source such as an electric motor to drive the movement of internal components, such as the reciprocating motion of a piston in a cylinder or the rotation of an impeller, to compress the gas, increasing its pressure and reducing its volume, in order to meet the high-pressure gas requirements of many fields such as industrial production, refrigeration, and air conditioning.
[0003] The primary function of a compressor is to increase gas pressure. In the industrial sector, it provides high-pressure gas for production processes in industries such as chemical and petroleum; in refrigeration and air conditioning systems, it compresses refrigerant gas, changing its state to transfer heat, thereby achieving cooling or heating; in pneumatic systems, it provides high-pressure air to drive pneumatic tools; and in natural gas transportation, it compresses natural gas for long-distance transport, etc.
[0004] In the existing technology, most compressor cylinders are made of cast iron or steel, which are heavy and have poor thermal conductivity, resulting in high energy consumption and low heat dissipation efficiency. Therefore, aluminum alloy cylinder compressors are proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an aluminum alloy cylinder compressor, which aims to improve the problem that some compressor cylinders in the prior art are mostly made of cast iron or steel, resulting in heavy weight and poor thermal conductivity.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An aluminum alloy cylinder compressor includes a bottom cylinder and a top cylinder. The bottom cylinder has a reinforcing mechanism inside, and the top cylinder has a noise reduction mechanism inside.
[0008] The reinforcing mechanism includes a bearing housing, the rear end of which is fixedly connected to the front end of the bottom cylinder by bolts. A rotating shaft is rotatably connected inside the bearing housing. A centrifugal block is fixedly connected to the rear end of the rotating shaft. A transmission plate is rotatably connected to the rear exterior of the centrifugal block. A piston is rotatably connected to the top of the transmission plate. A middle cylinder is fixedly connected to the top of the bottom cylinder by bolts. The inner wall of the middle cylinder and the exterior of the piston are both coated with a nitriding layer. A connecting valve plate is fixedly connected to the top of the middle cylinder.
[0009] As a further description of the above technical solution:
[0010] The silencing mechanism includes an air intake pipe, the right end of which is fixedly connected to the left end of the top cylinder, the bottom end of which is fixedly connected to the top of the middle cylinder by bolts, the bottom side of which is in contact with the top side of the connecting valve plate, a silencing chamber is provided on the left side inside the top cylinder, an elastic partition is fixedly connected to the inner wall of the silencing chamber, and a cleaning component is fixedly connected inside the top cylinder.
[0011] As a further description of the above technical solution:
[0012] The cleaning assembly includes a ring magnet, and an air intake channel is provided on the left side of the top cylinder. The outer wall of the ring magnet is fixedly connected to the inner wall of the air intake channel.
[0013] As a further description of the above technical solution:
[0014] An air outlet chamber is provided on the right side of the top cylinder body, and an air outlet is provided on the right side of the top cylinder body;
[0015] As a further description of the above technical solution:
[0016] The bottom cylinder, the middle cylinder, and the top cylinder are all made of ADC-12 aluminum alloy. The bottom of the bottom cylinder is fixedly connected to a mounting base, and mounting holes are provided at the four corners of the mounting base.
[0017] As a further description of the above technical solution:
[0018] The outer wall of the piston is slidably connected to the inner wall of the middle cylinder, and the nitriding layer forms a dense aluminum nitride structure on the inner wall of the middle cylinder and the surface of the piston, with a thickness of 0.1-0.3 mm.
[0019] As a further description of the above technical solution:
[0020] The outer wall of the middle cylinder is fixedly connected with multiple horizontal heat dissipation fins, and the outer wall of the top cylinder is fixedly connected with multiple vertical heat dissipation fins.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, the bottom cylinder, middle cylinder and top cylinder are all made of ADC-12 aluminum alloy with a density of about 2.7g / cm³. Compared with traditional cast iron or steel materials, it greatly reduces the overall weight of the compressor, making it easier to install, handle and transport. The inner wall of the cylinder and the surface of the piston are coated with a nitriding layer, which has high hardness and can effectively resist friction during the reciprocating motion of the piston, reduce wear, improve wear resistance and corrosion resistance, extend the service life of the components and reduce maintenance costs.
[0023] 2. In this utility model, during the operation of the compressor, when gas enters the compressor, the annular magnet on the inner wall of the air intake channel adsorbs magnetic impurities, achieving self-cleaning and protecting key components. The elastic baffle in the silencing chamber deforms with changes in gas pressure and flow rate, adjusting the chamber volume and acoustic characteristics, absorbing noise of different frequencies, reducing noise pollution, and broadening the application scenarios of the equipment. Attached Figure Description
[0024] Figure 1 This is a perspective view of the aluminum alloy cylinder compressor proposed in this utility model;
[0025] Figure 2 This is a schematic diagram of the bottom cylinder of the aluminum alloy cylinder compressor proposed in this utility model;
[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0027] Figure 4 for Figure 2 Enlarged view of point B in the middle.
[0028] Legend:
[0029] 1. Bottom cylinder; 2. Middle cylinder; 3. Bearing seat; 4. Shaft; 5. Centrifugal block; 6. Transmission plate; 7. Piston; 8. Nitriding layer; 9. Horizontal heat sink; 10. Connecting valve plate; 11. Top cylinder; 12. Longitudinal heat sink; 13. Silencing chamber; 14. Elastic baffle; 15. Intake channel; 16. Ring magnet; 17. Intake pipe; 18. Exhaust chamber; 19. Exhaust port; 20. Mounting base. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Reference Figure 1 , Figure 2 and Figure 3This utility model provides an embodiment of an aluminum alloy cylinder compressor, including a bottom cylinder 1 and a top cylinder 11. The top of the bottom cylinder 1 is fixedly connected to a middle cylinder 2 by bolts. The bottom cylinder 1, the middle cylinder 2, and the top cylinder 11 are all made of ADC-12 aluminum alloy, which is lightweight and has good thermal conductivity, contributing to the overall lightweight design of the compressor. The bottom cylinder 1 has a reinforcing mechanism inside, and the top cylinder 11 has a noise reduction mechanism inside. The bottom of the bottom cylinder 1 is fixedly connected to a mounting base 20. Mounting holes are provided at the four corners of the mounting base 20. The mounting base 20 provides mounting support for the compressor. The compressor can be firmly installed in a predetermined position through the mounting holes, ensuring the stability of the compressor during operation and preventing displacement due to vibration or other reasons.
[0032] The reinforcing mechanism includes a bearing housing 3, the rear end of which is bolted to the front end of the bottom cylinder 1. A rotating shaft 4 is rotatably connected inside the bearing housing 3, providing a stable support point for the shaft 4 and ensuring its smooth rotation. This is an indispensable part of the compressor's power transmission process. The shaft 4 is used to connect to an external power source to achieve rotation. A centrifugal block 5 is fixedly connected to the rear end of the shaft 4, and a transmission plate 6 is rotatably connected to the rear side of the centrifugal block 5. Driven by the shaft 4, the centrifugal block 5 rotates, providing power to the transmission plate 6. Through the principle of centrifugal force, this power is converted into the reciprocating motion of the transmission plate 6, a crucial step in the compressor's power conversion. A piston 7 is rotatably connected to the top of the transmission plate 6, and the outer wall of the piston 7 is slidably connected to the inner wall of the middle cylinder 2. The transmission plate 6 converts the rotation of the centrifugal block 5 into the rotation of the piston 7. The reciprocating motion of the piston 7 allows it to reciprocate and slide stably within the middle cylinder 2, making it a key transmission component for the compressor's gas compression function. Both the inner wall of the middle cylinder 2 and the outer surface of the piston 7 are coated with a nitriding layer 8. This nitriding layer 8 forms a dense aluminum nitride structure on the inner wall of the middle cylinder 2 and the surface of the piston 7, with a thickness of 0.1-0.3 mm. When the piston 7 slides inside the middle cylinder 2, the nitriding layer 8, with its high hardness, resists friction, reduces wear, improves wear resistance and corrosion resistance, extends the service life of the piston 7 and the middle cylinder 2, and ensures long-term stable operation. A connecting valve plate 10 is fixedly connected to the top of the middle cylinder 2. The connecting valve plate 10 connects the middle cylinder 2 and the top cylinder 11, and also guides and controls the gas flow, ensuring that the gas flows along a predetermined path inside the compressor, guaranteeing the normal operation of the compressor.
[0033] Reference Figure 1 , Figure 2 and Figure 4The silencing mechanism includes an intake pipe 17, the right end of which is fixedly connected to the left end of the top cylinder 11. The intake pipe 17 is the channel for gas to enter the compressor, introducing external gas into the compressor to provide the working medium. The bottom end of the top cylinder 11 is fixedly connected to the top of the middle cylinder 2 by bolts. The bottom side of the top cylinder 11 is in contact with the top side of the connecting valve plate 10. A silencing chamber 13 is provided on the left side inside the top cylinder 11. An elastic baffle 14 is fixedly connected to the inner wall of the silencing chamber 13. The elastic baffle 14 can deform according to the changes in gas pressure and flow under different operating conditions to adjust the acoustic characteristics, effectively absorb and reduce noise, and reduce noise pollution during compressor operation. A cleaning component is fixedly connected inside the top cylinder 11. The cleaning component includes a ring magnet 16. An intake channel 15 is provided on the left side of the top cylinder 11. The outer wall of the ring magnet 16 is fixedly connected to the inner wall of the intake channel 15. When gas enters the compressor through the intake channel 15, the ring magnet 16... The ring magnet 16 plays a crucial role. If the gas contains magnetic impurities, it will attract them, preventing the magnetic impurities from entering the compressor and avoiding damage to key components, thus achieving a self-cleaning effect. An exhaust chamber 18 is located on the right side of the top cylinder 11. This chamber serves as a temporary storage area for the compressed and processed gas, acting as a buffer and stabilizing gas pressure. An exhaust port 19 is located on the right side of the top cylinder 11, which is the outlet for the processed gas to exit the compressor. Multiple horizontal heat sinks 9 are fixedly connected to the outer wall of the middle cylinder 2. These horizontal heat sinks 9 help dissipate heat, preventing overheating of the middle cylinder 2 and ensuring the normal operation of the compressor. Multiple vertical heat sinks 12 are fixedly connected to the outside of the top cylinder 11. These vertical heat sinks 12 increase the heat dissipation area of the top cylinder 11. During compressor operation, the vertical heat sinks 12 effectively dissipate heat, maintaining the top cylinder 11 within a suitable operating temperature range and improving the reliability of the compressor.
[0034] Working principle: The bottom cylinder 1, middle cylinder 2, and top cylinder 11 of the compressor are all made of ADC-12 aluminum alloy. This aluminum alloy has a density of about 2.7g / cm³, which greatly reduces the overall weight of the compressor compared to traditional cast iron or steel materials, achieving lightweighting. At the same time, the inner wall of the middle cylinder 2 and the outside of the piston 7 are coated with a nitriding layer 8 with a thickness of 0.1-0.3mm. The nitriding layer 8 forms a dense aluminum nitride structure with a hardness ≥HV500. During the operation of the compressor, the piston 7 makes a reciprocating sliding motion in the middle cylinder 2. The nitriding layer 8, with its high hardness, effectively resists the friction between the piston and the cylinder wall, reduces wear, significantly improves wear resistance and corrosion resistance, balances lightweighting and wear resistance, and ensures long-term stable operation of the compressor.
[0035] When the compressor is running, gas enters through the intake pipe 17 and flows into the compressor through the intake passage 15 on the left side of the top cylinder 11. The annular magnet 16 fixed on the inner wall of the intake passage 15 plays a role. When the gas contains magnetic impurities, these impurities will be attracted by the annular magnet 16, preventing them from entering the compressor and avoiding damage to key components, thus achieving a self-cleaning effect. In terms of noise reduction, the inner wall of the noise reduction chamber 13 is fixed with an elastic baffle 14. Under different operating conditions, the gas pressure and flow rate change, and the elastic baffle 14 will deform under pressure. For example, when the gas pressure is high, the elastic baffle 14 will bend to one side, increasing the volume of the noise reduction chamber 13. When the pressure is low, it will recover part of the deformation, and the volume will decrease accordingly. This dynamic change can adjust the acoustic characteristics of the noise reduction chamber 13 according to the noise frequency under different operating conditions, effectively absorbing and reducing noise, and achieving a dynamic sound insulation effect.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An aluminum alloy cylinder block compressor comprising a bottom cylinder block (1) and a top cylinder block (11), characterized in that: The inside of the bottom cylinder (1) is provided with a reinforcing mechanism, and the inside of the top cylinder (11) is provided with a silencing mechanism; The reinforcing mechanism comprises a bearing seat (3), the rear end of the bearing seat (3) is fixedly connected to the front end of the bottom cylinder (1) through bolts, a rotating shaft (4) is rotatably connected to the inside of the bearing seat (3), the rear end of the rotating shaft (4) is fixedly connected with a centrifugal block (5), the outer side of the rear end of the centrifugal block (5) is rotatably connected with a transmission plate (6), the top of the transmission plate (6) is rotatably connected with a piston (7), the top of the bottom cylinder (1) is fixedly connected with a middle cylinder (2) through bolts, the inner wall of the middle cylinder (2) and the outer wall of the piston (7) are both coated with a nitriding layer (8), and the top end of the middle cylinder (2) is fixedly connected with a connecting valve plate (10).
2. The aluminum alloy block compressor of claim 1, wherein: The silencing mechanism comprises an air inlet pipe (17), the right end of the air inlet pipe (17) is fixedly connected to the left end of the top cylinder (11), the bottom end of the top cylinder (11) is fixedly connected to the top of the middle cylinder (2) through bolts, the bottom side of the top cylinder (11) is in contact with the top side of the connecting valve plate (10), the inside left side of the top cylinder (11) is provided with a silencing chamber (13), the inner wall of the silencing chamber (13) is fixedly connected with an elastic partition plate (14), and the inside of the top cylinder (11) is fixedly connected with a cleaning assembly.
3. The aluminum alloy block compressor of claim 2, wherein: The cleaning assembly comprises an annular magnet (16), the left side of the top cylinder (11) is provided with an air inlet channel (15), and the outer wall of the annular magnet (16) is fixedly connected to the inner wall of the air inlet channel (15).
4. The aluminum alloy block compressor of claim 1, wherein: The inside right side of the top cylinder (11) is provided with an air outlet chamber (18), and the right side of the top cylinder (11) is provided with an air outlet (19).
5. The aluminum alloy block compressor of claim 1, wherein: The materials of the bottom cylinder (1), the middle cylinder (2) and the top cylinder (11) are all ADC-12 aluminum alloy, the bottom of the bottom cylinder (1) is fixedly connected with a mounting base (20), and mounting holes are formed in the four corners of the inside of the mounting base (20).
6. The aluminum alloy block compressor of claim 1, wherein: The outer wall of the piston (7) is slidably connected to the inner wall of the middle cylinder (2), the nitriding layer (8) forms a dense aluminum nitride structure on the inner wall of the middle cylinder (2) and the surface of the piston (7), and the thickness of the nitriding layer (8) is 0.1-0.3mm.
7. The aluminum alloy block compressor of claim 1, wherein: The outer wall of the middle cylinder (2) is fixedly connected with a plurality of transverse cooling fins (9), and the outer wall of the top cylinder (11) is fixedly connected with a plurality of longitudinal cooling fins (12).