Air compressor with inlet screen
By designing a detachable filter structure, the problem of high replacement costs caused by the inability to remove the filter from the housing is solved, enabling flexible filter replacement and cost reduction.
Patent Information
- Application Number
- CN202520281233.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The filter screen and housing of existing air compressors cannot be disassembled, which means that the entire filter screen needs to be replaced when there are a lot of impurities adhering to its surface, increasing the cost of use.
The design incorporates a detachable filter structure, allowing the filter layer to be detachably connected to the filtration mechanism via mounting components. Threaded connections and bump structures enhance ease of disassembly.
This allows for flexible filter replacement, reducing the long-term operating costs of the air compressor.
Smart Images

Figure CN223608747U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to air compressor technical field, concretely relates to an air compressor with air inlet filter screen. BACKGROUND
[0002] The main function of air compressor is to convert electric energy or other forms of energy into compressed air energy, and it is mainly used for providing power for various pneumatic tools and equipment, and it drives various machines and equipment through compressed air, and the air compressor is provided with power capacitor and safety valve, which plays the role of high efficiency, energy saving and explosion prevention, and is widely used in industrial, refrigeration, medical, scientific research and other fields, and the filter screen is arranged at the inlet of the air compressor to filter impurities in the air during operation, protect machine parts, reduce maintenance and maintenance costs and the like.
[0003] The existing air compressor reduces the noise generated during operation through the silencer installed at the inlet of the air compressor, and the filter structure is arranged in the silencer to play the role of filtering impurities, and since the filter structure is a whole structure, when the filter screen in the filter structure needs to be replaced after a long time of use, the filter screen and the shell of the filter structure cannot be disassembled, so that the filter structure needs to be replaced as a whole, which causes the problem of high cost of the air compressor during operation, and therefore the utility model provides an air compressor with air inlet filter screen. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an air compressor with air inlet filter screen to solve the problem that the filter screen and the shell of the filter structure in the air compressor cannot be disassembled, and the filter screen surface adheres to more impurities and needs to be replaced, and the filter structure can only be replaced as a whole.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air compressor with air inlet filter screen, including three-phase asynchronous motor installed on one side of the top end of the gas tank, crankcase installed on the other side of the top end of the gas tank, the crankcase is provided with a compression cylinder, a silencer is arranged at the air inlet of the compression cylinder, the silencer is composed of an outer cover A, a filter mechanism and an outer cover B, the rear end of the outer cover A is installed with the air inlet of the compression cylinder, the outer cover B is arranged at the front end of the outer cover A, the filter mechanism is arranged between the outer cover A and the outer cover B, the rear end of the filter mechanism is in clamping state with the inner side of the front end of the outer cover A, the front end of the filter mechanism is provided with a mounting assembly, the mounting assembly is composed of a mounting seat and a mounting groove, the mounting groove is opened on the front side of the filter mechanism, the mounting seat is arranged on the inner side of the mounting groove, and the outer surface of the mounting seat is in threaded connection with the inner wall of the mounting groove, and the filter screen layer is arranged in the area formed by the bottom end of the mounting seat and the inner side of the filter mechanism.
[0006] Preferably, the outer surface of the mounting seat is in close contact with the inner wall of the mounting groove, and the front end of the mounting seat is in the same horizontal plane with the front end of the filtering mechanism.
[0007] Preferably, the mounting seat is a hollow cylindrical structure.
[0008] Preferably, a plurality of protrusions are fixed to the front end of the mounting seat, and dustproof silica gel is arranged at the clamping position of the filtering mechanism and the outer cover A, and the surface of the dustproof silica gel is fixed to the surface of the filtering mechanism.
[0009] Preferably, an air outlet is arranged at the top end of the gas tank on the side surface of the crankcase, and a safety valve is arranged on the air outlet.
[0010] Preferably, a protective plate is arranged at the rear side of the three-phase asynchronous motor and the rear side of the crankcase, and a sound wave alarm is arranged at the top end of the gas tank.
[0011] Preferably, a driving wheel is arranged at the rear side of the crankcase, and a belt is arranged on the surface of the output end of the three-phase asynchronous motor and the surface of the driving wheel.
[0012] Compared with the prior art, the air compressor has the advantages that:
[0013] The filter screen layer is detachable, and the air compressor has the advantages that: when the filter screen layer needs to be replaced after a period of use, the filter screen layer and the filtering mechanism cannot be detached, so that the filter screen layer needs to be replaced as a whole, and the air compressor has the problem of high use cost in long-term use. The front end of the filtering mechanism is provided with a mounting assembly, so that the filter screen layer is arranged in the area formed by the mounting assembly and the filtering mechanism, thereby meeting the flexible replacement of the filter screen layer in use, and reducing the cost of the air compressor in long-term use. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a split schematic view of the muffler of the utility model;
[0016] Figure 3 It is a filter screen mounting structure schematic view of the utility model;
[0017] Figure 4 It is an A area enlarged schematic view in the utility model Figure 3
[0018] In the figure: 1, gas tank; 2, protective plate; 3, three-phase asynchronous motor; 4, crankcase; 5, compression cylinder; 6, muffler; 61, cover A; 62, filtering mechanism; 620, mounting assembly; 6201, mounting seat; 6201A, protrusion; 6201B, dustproof silica gel; 6202, mounting groove; 621, filter screen layer; 63, cover B. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figures 1 to 4The utility model provides a technical scheme: a kind of air compressor with air inlet filter screen, including the three-phase asynchronous motor 3 being installed in the top end one side of gas tank 1, the crankcase 4 being installed in the top end other side of gas tank 1, three-phase asynchronous motor 3 is equipped with power capacitor, so that air compressor operation improves power factor, reduces energy loss, so that air compressor continuous operation, play the role of energy-saving high efficiency, crankcase 4 is provided with compression cylinder 5, the air inlet of compression cylinder 5 is provided with muffler 6, pass through muffler 6 and play the role of reducing the noise generated when air compressor operates, muffler 6 is composed of cover A 61, filter mechanism 62, cover B 63, cover A 61 rear end is installed with the air inlet of compression cylinder 5, cover B 63 is set to the front end of cover A 61, filter mechanism 62 is set between cover A 61, cover B 63, the rear end of filter mechanism 62 and the inside of the front end of cover A 61 are in the state of clamping, the front end of filter mechanism 62 is provided with mounting assembly 620, mounting assembly 620 is composed of mounting seat 6201, installation groove 6202, pass through mounting assembly 620 and make filter screen layer 621 can be disassembled according to demand, installation groove 6202 is opened in the front side of filter mechanism 62, mounting seat 6201 is set to the inside of installation groove 6202, and the outer surface of mounting seat 6201 and the inner wall of installation groove 6202 are screw connections, the area formed in the inside of mounting seat 6201 bottom end and filter mechanism 62 is provided with filter screen layer 621, the outer surface of mounting seat 6201 and the inner wall of installation groove 6202 are in the state of adhesion, the front end of mounting seat 6201 and the front end of filter mechanism 62 are in the same horizontal plane, mounting seat 6201 is hollow cylindrical structure, the side of crankcase 4 and located the top end of gas tank 1 is provided with air outlet, safety valve is set on air outlet, pass through the safety valve set, to avoid high-pressure gas accumulation in air compressor interior, lead to the occurrence of explosion, play certain anti-explosion effect, to ensure safety performance, the back of three-phase asynchronous motor 3, the back of crankcase 4 is provided with protective plate 2, the top end of gas tank 1 is provided with sound wave alarm, the back of crankcase 4 is provided with driving wheel, and the surface of the output end of three-phase asynchronous motor 3 is all provided with belt.
[0021] In the embodiment, preferably, a plurality of bosses 6201A are fixed to the front end of the mounting seat 6201, the front end surface of the mounting seat 6201 is uneven structure through the bosses 6201A, the disassembly convenience of the mounting seat 6201 is increased, dustproof silica gel 6201B is arranged at the clamping position of the filter mechanism 62 and the cover A 61, the sealing property of the filter mechanism 62 and the cover A 61 is increased through the dustproof silica gel 6201B, dust is further prevented, and the surface of the dustproof silica gel 6201B is fixed to the surface of the filter mechanism 62.
[0022] The working principle and use process of the utility model: in the air compressor operation process, first start the compressor, through the three-phase asynchronous motor 3 provides power source, further through the transmission of the belt, make the drive wheel rotation, drive wheel drive the connecting rod in the crankcase 4 makes the piston reciprocating motion, cause the change of the content volume of the compression cylinder 5, the air in the compression cylinder 5 is compressed, after the pipeline connected between the compression cylinder 5 and the air tank 1, the compressed air enters the air tank 1; when the air compressor is operated, the silencer 6 can effectively reduce the noise generated when the air compressor inhales air, and the air inhaled by the air compressor can be filtered through the filter screen layer 621, to ensure the normal work of the air compressor, when it is needed to disassemble the filter screen layer 621, the resistance of the finger and the mounting seat 6201 is increased through the convex block 6201A, the mounting seat 6201 is rotated, the mounting seat 6201 and the mounting groove 6202 are separated by screw threads, then the built-in filter screen layer 621 is taken out, and the disassembly of the filter screen layer 621 is completed.
[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An air compressor with an air inlet filter screen comprising a three-phase asynchronous motor (3) mounted on one side of the top end of the tank (1), a crankcase (4) mounted on the other side of the top end of the tank (1), characterized in that: The crankcase (4) is provided with a compression cylinder (5), and a silencer (6) is arranged at the air inlet of the compression cylinder (5), the silencer (6) is composed of an outer cover A (61), a filtering mechanism (62) and an outer cover B (63), the outer cover A (61) is arranged at the rear end of the air inlet of the compression cylinder (5), the outer cover B (63) is arranged at the front end of the outer cover A (61), the filtering mechanism (62) is arranged between the outer cover A (61) and the outer cover B (63), the rear end of the filtering mechanism (62) is in clamping state with the inner side of the front end of the outer cover A (61), the front end of the filtering mechanism (62) is provided with a mounting assembly (620), the mounting assembly (620) is composed of a mounting seat (6201) and a mounting groove (6202), the mounting groove (6202) is arranged on the front side of the filtering mechanism (62), the mounting seat (6201) is arranged on the inner side of the mounting groove (6202), and the outer surface of the mounting seat (6201) is in threaded connection with the inner wall of the mounting groove (6202), and the bottom end of the mounting seat (6201) is provided with a filter screen layer (621) in the area formed on the inner side of the filtering mechanism (62).
2. An air compressor with an inlet screen according to claim 1, characterized in that: The outer surface of the mounting seat (6201) is in abutting state with the inner wall of the mounting groove (6202), and the front end of the mounting seat (6201) is in the same horizontal plane with the front end of the filtering mechanism (62).
3. An air compressor with an inlet screen according to claim 1, characterized in that: The mounting seat (6201) is a hollow cylindrical structure.
4. An air compressor with an inlet screen according to claim 1, characterized in that: A plurality of protrusions (6201A) are fixed at the front end of the mounting seat (6201), and dustproof silica gel (6201B) is arranged at the clamping position of the filtering mechanism (62) and the outer cover A (61), and the surface of the dustproof silica gel (6201B) is fixed with the surface of the filtering mechanism (62).
5. An air compressor with an inlet screen according to claim 1, characterized in that: An air outlet is arranged at the top end of the gas tank (1) on the side of the crankcase (4), and a safety valve is arranged on the air outlet.
6. An air compressor with an inlet screen according to claim 1, characterized in that: A protective plate (2) is arranged at the rear side of the three-phase asynchronous motor (3) and the rear side of the crankcase (4), and a sound wave alarm is arranged at the top end of the gas tank (1).
7. An air compressor with an inlet screen according to claim 1, characterized in that: A driving wheel is arranged at the rear side of the crankcase (4), and a belt is arranged on the surface of the output end of the three-phase asynchronous motor (3).