Compact air compressor

Abstract

The invention discloses a compact air compressor. The compact air compressor comprises a machine body. A left end cover is fixedly mounted at the left end of the machine body, and a right end cover isfixedly mounted at the right end of the machine body. A piston body is slidably connected to the interior of the machine body. A left pump case is fixedly mounted on the left side of the left end cover. A left sealing cover is fixedly mounted at the left end of the left pump case. A right pump case is fixedly mounted on the right side of the right end cover. A right sealing cover is fixedly mounted at the right end of the right pump case. A left connecting rod is fixedly mounted at the left end of the piston body. A right connecting rod is fixedly mounted at the right end of the piston body.A left piston is arranged at the left end of the left connecting rod, and a right piston is arranged at the right end of the right connecting rod. The outer side surface of the machine body is provided with an oil port P, an oil port T1 and an oil port T2. A control assembly used for controlling the piston body to move left and right in a mounting hole is arranged in the piston body. The side faceof the outer circumference of the piston body is provided with a first communicating groove, a second communicating groove and a third communicating groove. The air compressor provided by the invention is simple in structure and small in size and can control the piston body to automatically do back and forth movement without electric control.

Description

technical field [0001] The invention belongs to the technical field of air compressors, and in particular relates to a compact air compressor. Background technique [0002] With the large-scale application of large-scale mechanical equipment, the use of hydraulic drive technology in the field of air compressor application technology is becoming more and more mature. The traditional air compressor uses a crank connecting rod mechanism to realize the reciprocating movement of the piston in the cylinder and then compress the air. The output pulse of the air compressor of this method is large, unstable, and it is easy to get stuck under severe working conditions. In addition, most of the reversing valves that realize the reciprocating motion of the piston in the current hydraulic air compressors use electromagnetic reversing valves and displacement sensors to match each other. Cooperate with the control of the reversing, the sensor is controlled by the proximity switch, the reve...

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Problems solved by technology

[0002] With the large-scale application of large-scale mechanical equipment, the use of hydraulic drive technology in the field of air compressor application technology is becoming more and more mature. The traditional air compressor uses a crank connecting rod mechanism to realize the reciprocating movement of the piston in the cylinder and then compress the air. The output pulse of the air compressor of this method is large, unstable, and it is easy to get stuck under severe working conditions. In addition, most of the reversing valves that realize the reciprocating motion of the piston in the current hydraulic air compressors use electromagnetic reversing valves and displacement sensors. Cooperate with the control of the reversing, the sensor is controlled by the proximity switch, the reversing is unstable and unreliable; the control circuit part of the reversing device is controlled by the circuit board, because the circuit board is a non-standard part, and it is difficult to manufacture and process, and repair after damage It is very difficult; if the existing reversing device is continuously energized for a long time, it is easy to damage small devices, which cannot meet the requirements of long-term energization, and also affects the production efficiency to a certain extent; at the same time, when the piston moves to the terminal Impact collision of the cylinder block, resulting in collision noise and collision damage

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