Dustproof air compressor

By introducing a filter box and filter element structure into the air compressor, large impurities and dust are filtered out, solving the problems of low cylinder sealing and insufficient compressed air pressure caused by dust, and achieving efficient cylinder sealing and stable compression.

CN223825211UActive Publication Date: 2026-01-23LONGYAN CHANGCHANG IND & TRADE CO LTD
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Patent Information

Application Number
CN202520022152.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-23
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing reciprocating air compressors are prone to drawing in large amounts of dust in dusty environments, causing friction between the cylinder and piston, reducing the cylinder's sealing and air compression capacity, and affecting the normal operation of the air compressor.

Method used

A dustproof air compressor was designed, which adopts a filter box and filter element structure. Large impurities are filtered through the air inlet grille holes of the filter box, and dust is filtered through the filter element, ensuring that the air is purified before entering the cylinder, reducing the friction between the cylinder and the piston, and maintaining the airtightness of the cylinder.

Benefits of technology

It effectively prevents dust from entering the cylinder, reduces friction between the cylinder and piston, ensures the airtightness of the cylinder and the air compression force, and solves the problems of low cylinder airtightness and insufficient compressed air pressure caused by dust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dustproof air compressor, which relates to the technical field of dustproof tools of air compressors and comprises an air cylinder, moving wheels are arranged at four corners of the bottom surface of the air cylinder, and a support is mounted on the inner sides of the moving wheels and mounted on the bottom surface of the air cylinder. According to the utility model, the filter element is conveniently mounted in the filter box, so that the filter element is prevented from being interfered by foreign matters or influencing the normal work of the filter element, larger foreign matters are conveniently separated through the air inlet grille holes in one side of the filter box, and air containing impurities and dust is filtered through the filter element and then input into the air cylinder; the friction force between the air cylinder and the piston is reduced, the air tightness of the air cylinder is guaranteed, the situation that the air cylinder releases pressure due to the fact that the friction gap between the air cylinder and the piston is large is avoided, and finally the problems that the air tightness of the air cylinder is low and the air pressure of compressed air is insufficient due to dust suction are solved, and the air quality problem is solved by additionally arranging the filter element.
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Description

Technical Field

[0001] This utility model relates to the technical field of dustproof air compressor equipment, and in particular to a dustproof air compressor. Background Technology

[0002] Piston air compressors are widely used due to their simple structure, compact size, ease of movement and maintenance, and high output gas pressure. The main structure of a typical piston air compressor includes a power unit, an air compression unit, casters, and input / output auxiliary components. Because piston air compressors are used in various scenarios and sometimes in complex environments, foreign objects may accumulate around them, severely affecting the speed at which the compressor draws in air. Furthermore, in dusty working environments, large amounts of dust can be drawn in, severely clogging the compressor's input and output pipes. Dust drawn into the cylinder can cause friction between the cylinder and piston, severely affecting the cylinder's sealing performance, reducing the compression force, and leading to insufficient compressed air pressure inside the cylinder. Therefore, these technical problems need to be addressed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a dustproof air compressor.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a dustproof air compressor, including a gas cylinder, wherein each of the four corners of the bottom surface of the gas cylinder is provided with a movable wheel, and a bracket is installed on the inner side of the movable wheel, and the bracket is installed on the bottom surface of the gas cylinder; a first bracket is provided longitudinally on one side of the top surface of the gas cylinder, and a second bracket is provided longitudinally on the other side of the top surface of the gas cylinder, wherein the lower support of the first bracket and the second bracket is fixedly connected to the outer wall of the gas cylinder, and an air outlet is provided on the upper outer wall of the front end of the gas cylinder.

[0005] Preferably, a motor is mounted on the top surface of the first bracket, a compressor is mounted on the top surface of the second bracket, a flywheel is provided at the rear end of the compressor, the flywheel is engaged with the drive shaft of the compressor, and a belt is sleeved on the outside of the flywheel, with the other end of the belt sleeved with the output wheel of the motor.

[0006] Preferably, a first cylinder, a second cylinder, and a third cylinder are respectively installed on the top surface of the compressor. A first conduit is installed at the front end of the first cylinder, and a second conduit is installed between the first cylinder and the second cylinder. A fifth conduit is installed at the front end of the second cylinder, and a third conduit is installed between the second cylinder and the third cylinder. A fourth conduit is installed at the front end of the third cylinder.

[0007] Preferably, a filter box is installed at the front end of the compressor, two connection ports are opened at the rear end of the filter box, and a U-shaped air pipe is installed inside the filter box. Two air outlets are installed at the upper end of the U-shaped air pipe, and multiple equidistant air inlets are installed at the lower end of the U-shaped air pipe. Filter elements are connected to the air inlets, and an air inlet grille hole is opened at the front end of the filter box.

[0008] Preferably, the other end of the fifth conduit is connected to the gas cylinder, the front ends of the first and fourth conduits pass through the connection port, and the front ends of the first and fourth conduits are connected to the air outlet at the upper end of the U-shaped trachea.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the filter box facilitates the installation of the filter element inside, preventing foreign objects from interfering with or affecting the normal operation of the filter element. The air intake grille on one side of the filter box facilitates the separation of larger debris. The filter element filters the air containing impurities and dust before it is introduced into the cylinder, reducing the friction between the cylinder and the piston, ensuring the airtightness of the cylinder, and preventing the cylinder from leaking pressure due to large friction gaps between the cylinder and the piston. Ultimately, this solves the problems of low airtightness of the cylinder and insufficient compressed air pressure caused by dust intake, and the addition of the filter element solves the air quality problem. Attached Figure Description

[0010] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0011] Figure 1 This is a three-dimensional schematic diagram of the overall structure proposed in this utility model;

[0012] Figure 2 This is a side view of the overall structure proposed in this utility model;

[0013] Figure 3 This is a partial cross-sectional view of the overall structure proposed in this utility model;

[0014] Figure 4 This is a partial three-dimensional structural diagram of the present invention;

[0015] Figure 5 This is a schematic diagram of the filter element structure proposed in this utility model.

[0016] The numbers in the diagram are: 1. Gas cylinder; 2. Casters; 3. First support; 4. Second support; 5. Motor; 6. Compressor; 7. Flywheel; 8. Belt; 9. First conduit; 10. Second conduit; 11. Third conduit; 12. Fourth conduit; 13. Fifth conduit; 14. Filter box; 15. Filter element; 16. First cylinder; 17. Second cylinder; 18. Third cylinder. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Example: See Figure 1-5 This utility model discloses a dustproof air compressor, comprising a gas cylinder 1. Each of the four corners of the bottom surface of the gas cylinder 1 has a movable wheel 2, and a bracket is installed inside the movable wheel 2. The bracket is installed on the bottom surface of the gas cylinder 1. A first bracket 3 is longitudinally mounted on one side of the top surface of the gas cylinder 1, and a second bracket 4 is longitudinally mounted on the other side of the top surface of the gas cylinder 1. The lower support of the first bracket 3 and the second bracket 4 is fixedly connected to the outer wall of the gas cylinder 1. An air outlet is provided on the upper outer wall of the front end of the gas cylinder 1. A motor 5 is mounted on the top surface of the first bracket 3, and a compressor 6 is mounted on the top surface of the second bracket 4. A flywheel 7 is provided at the rear end of the compressor 6, and the flywheel 7 is engaged with the drive shaft of the compressor 6. A belt 8 is sleeved on the outer side of the flywheel 7, and the other end of the belt 8 is sleeved with the output wheel of the motor 5. The movable wheels 2 facilitate the movement of the dustproof air compressor. The motor 5, belt 8, and flywheel 7 facilitate the provision of power to the compressor 6. The rotation of the flywheel 7 drives the crankshaft of the compressor 6 to rotate, causing the piston of the cylinder connected to the crankshaft to reciprocate, facilitating air intake and compression.

[0019] In this invention, a first cylinder 16, a second cylinder 17, and a third cylinder 18 are respectively installed on the top surface of the compressor 6. A first conduit 9 is installed at the front end of the first cylinder 16, and a second conduit 10 is installed between the first cylinder 16 and the second cylinder 17. A fifth conduit 13 is installed at the front end of the second cylinder 17, and a third conduit 11 is installed between the second cylinder 17 and the third cylinder 18. A fourth conduit 12 is installed at the front end of the third cylinder 18. A filter box 14 is installed at the front end of the compressor 6. Two connection ports are opened on the rear end face of the filter box 14, and a U-shaped air pipe is installed inside the filter box 14. Two air outlets are installed at the upper end of the U-shaped air pipe, and multiple equidistant air inlets are installed at the lower end of the U-shaped air pipe. Filter elements 15 are connected to the air inlets. An air inlet grille hole is opened on the front end face of the filter box 14. The other end of the fifth conduit 13 is connected to the gas cylinder. 1. The first conduit 9 and the fourth conduit 12 are connected through the connection port, and the front ends of the first conduit 9 and the fourth conduit 12 are connected to the air outlet at the upper end of the U-shaped air pipe; the filter element 15 facilitates the filtration of the inhaled air; the air intake pipes inside the first conduit 9, the fourth conduit 12, and the filter box 14 facilitate the intake of the filtered air into the first cylinder 16 and the third cylinder 18 for compression; the second conduit 10 and the third conduit 11 facilitate the intake of the initially compressed air in the first cylinder 16 and the third cylinder 18 into the second cylinder 17 for compression; the fifth conduit 13 facilitates the injection of the secondary compressed air in the second cylinder 17 into the gas cylinder 1; the air intake grille hole of the filter box 14 facilitates the entry of external air into the filter element 15 and prevents foreign objects from entering and causing blockages that are detrimental to air intake.

[0020] Working principle: When this utility model is used, the motor 5 drives the shaft to rotate, pulling the belt 8 to drive the flywheel 7 to rotate. The rotation of the flywheel 7 drives the crankshaft of the compressor 6 to rotate, causing the piston connected to the crankshaft to reciprocate. This generates suction inside the cylinder, drawing the air filtered by the filter element 15 through the air inlet pipe, the first conduit 9, and the fourth conduit 12 inside the filter box 14 into the first cylinder 16 and the third cylinder 18 for initial compression. The compressed air inside the first cylinder 16 and the third cylinder 18 is then drawn into the second cylinder 17 for secondary compression through the second conduit 10 and the third conduit 11. Finally, the secondary compressed air inside the second cylinder 17 is injected into the gas cylinder 1 for storage through the fifth conduit 13. The stored compressed air is then discharged for use through the air outlet at the top front of the gas cylinder 1.

[0021] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dustproof air compressor, comprising a gas cylinder (1), characterized in that: The gas cylinder (1) is provided with four corners of the bottom surface with movable wheels (2), and a bracket is installed on the inner side of the movable wheels (2). The bracket is installed on the bottom surface of the gas cylinder (1). A first bracket (3) is provided longitudinally on one side of the top surface of the gas cylinder (1), and a second bracket (4) is provided longitudinally on the other side of the top surface of the gas cylinder (1). The lower support of the first bracket (3) and the second bracket (4) is fixedly connected to the outer wall of the gas cylinder (1). An outlet port is provided on the upper outer wall of the front end of the gas cylinder (1). A motor (5) is installed on the top surface of the first bracket (3), and a compressor (6) is installed on the top surface of the second bracket (4). A flywheel (7) is provided at the rear end of the compressor (6). The flywheel (7) is engaged with the drive shaft of the compressor (6), and a belt (8) is sleeved on the outside of the flywheel (7). The other end of the belt (8) is sleeved with the output wheel of the motor (5). The compressor (6) is equipped with a filter box (14) at the front end. The filter box (14) has two connection ports on its rear end face. A U-shaped air pipe is installed inside the filter box (14). The upper end of the U-shaped air pipe has two air outlets, and the lower end of the U-shaped air pipe has multiple equidistant air inlets. The air inlets are connected to filter elements (15). The front end face of the filter box (14) is provided with an air inlet grille hole.

2. A dustproof air compressor according to claim 1, characterized in that: The compressor (6) is equipped with a first cylinder (16), a second cylinder (17) and a third cylinder (18) on its top surface. The first cylinder (16) is equipped with a first conduit (9) at its front end, and a second conduit (10) is installed between the first cylinder (16) and the second cylinder (17). The second cylinder (17) is equipped with a fifth conduit (13) at its front end.

3. A dustproof air compressor according to claim 2, characterized in that: A third conduit (11) is installed between the second cylinder (17) and the third cylinder (18), and a fourth conduit (12) is installed at the front end of the third cylinder (18).

4. A dustproof air compressor according to claim 3, characterized in that: The other end of the fifth conduit (13) is connected to the gas cylinder (1), the front ends of the first conduit (9) and the fourth conduit (12) pass through the connection port, and the front ends of the first conduit (9) and the fourth conduit (12) are connected to the air outlet at the upper end of the U-shaped trachea.