CN-224228808-U - Novel multifunctional air compressor

Abstract

The utility model relates to a novel multifunctional air compressor which comprises a motor shell, a piston driving mechanism shell and an air cavity supporting shell which are fixedly connected, wherein an air cavity shell and an air cavity bottom plate are arranged above the air cavity supporting shell, and a cylinder body is vertically arranged and provided with a piston plate therein. The motor output shaft in the motor casing extends into the piston driving mechanism casing and is linked with the piston plate through the piston driving mechanism. The bottom plate of the air cavity is arranged on the air inlet hole the side is provided with a one-way valve clack, preventing the gas in the air cavity from flowing back; the piston plate is provided with a vent hole in a penetrating way and a one-way valve device to realize one-way flow of gas on the upper side and the lower side of the piston plate. The dual unidirectional airflow control structure is arranged, so that the compressed gas is effectively prevented from flowing back, the compression efficiency and the airtight reliability are improved, and meanwhile, the dual unidirectional airflow control structure has good heat dissipation performance and intelligent control function, and is compact in structure and stable in operation.

Inventors

• LU WEINONG
• FU ZILU

Assignees

• 温州汉风机械有限公司

Dates

Publication Date

20260512

Application Date

20260403

Claims (9)

1. 1. The novel multifunctional air compressor is characterized by comprising a motor shell, a piston driving mechanism shell and an air cavity supporting shell which are fixedly connected, wherein the piston driving mechanism shell is fixed on the rear side of the motor shell, the air cavity supporting shell is fixed above the piston driving mechanism shell, an air cavity shell is arranged above the air cavity supporting shell, an air cavity is arranged in the air cavity shell, an air cavity bottom plate used for forming sealing on the air cavity is fixedly connected between the air cavity shell and the air cavity supporting shell, a cylinder body is vertically arranged in the air cavity supporting shell, the top of the cylinder body is propped against the lower side of the air cavity bottom plate, an air inlet hole penetrating into the air cavity is formed in the corresponding position of the cylinder body in the air cavity bottom plate, an air outlet hole is formed in the air cavity rear side of the air cavity, a piston plate is movably matched in the cylinder body up and down, a motor is arranged in the motor shell, an output shaft used for linking the motor and the piston driving mechanism of the motor is arranged in the piston driving mechanism shell, a one-way valve clack is arranged on the upper side of the air cavity bottom plate, an air cavity bottom plate is arranged on the piston plate, an air inlet hole is formed on the piston plate, an air inlet hole is vertically penetrates through the piston plate, an air inlet hole is arranged on the piston plate, an air inlet device is arranged on the piston plate, and a one-way valve device is arranged on the piston plate.
2. 2. The multifunctional air compressor of claim 1, wherein the one-way valve device comprises a slave piston plate and an elastic diaphragm, the slave piston plate is fixed on the upper side of the piston plate, the slave piston plate is provided with a one-way air inlet hole communicated with the vent hole, one end of the elastic diaphragm covers the upper side of the one-way air inlet hole, and one end of the elastic diaphragm, which is far away from the one-way air inlet hole, is fixed on the slave piston plate.
3. 3. The multifunctional air compressor of claim 2, wherein an air intake gap is formed between the slave piston plate and the piston plate.
4. 4. The multifunctional air compressor of claim 3, wherein the center of the slave piston plate is provided with a first screw, the first screw is in threaded connection with the piston plate, a prop is integrally formed on the lower end face of one side of the slave piston plate, which is far away from the unidirectional air inlet hole, the slave piston plate is provided with a connecting hole penetrating through the prop, the connecting hole is provided with a second screw in threaded fit with the piston plate, and one end of the elastic membrane, which is far away from the unidirectional air inlet hole, is fixed on the slave piston plate by the second screw.
5. 5. The novel multifunctional air compressor of claim 1, wherein the air inlet holes are uniformly distributed on the air cavity bottom plate in a circumference, the air cavity bottom plate is provided with a central hole at the circle center of the circumference where the air inlet holes are positioned, the one-way valve clack comprises a connecting column fixedly connected to the central hole, and the connecting column penetrates through the central hole and is integrally formed with an inverted buckle step propped against the lower end face of the air cavity bottom plate.
6. 6. The multifunctional air compressor of claim 5, wherein the unidirectional valve clack is umbrella-shaped and covers the upper side of each air inlet hole.
7. 7. The multifunctional air compressor of claim 1, wherein the front side of the motor housing is connected with an air dispersing cover plate, a plurality of air dispersing holes are formed in the side face of the motor housing, a fan blade is fixedly connected to the output shaft of the motor and is located at the rear side of the motor housing and arranged towards the air dispersing cover plate.
8. 8. The novel multifunctional air compressor of claim 1, wherein the air cavity shell is provided with a pressure sensor at the front side of the air cavity, the upper side of the motor shell is provided with a second fan and a processor, the second fan faces the processor, the upper side of the motor shell is fixedly provided with a processor shell, the processor shell covers the pressure sensor, the second fan and the processor, the processor shell is connected with a control switch, and the processor is electrically connected with the pressure sensor, the second fan and the control switch.
9. 9. The multifunctional air compressor of claim 1, wherein the air cavity shell is connected with an air compressor air-water separator at the position of the air outlet, and an air pipe connector is arranged on the air compressor air-water separator.

Description

Novel multifunctional air compressor Technical Field The utility model relates to the technical field of air compressors, in particular to a novel multifunctional air compressor. Background The air compressor is used as a key device for converting mechanical energy into gas pressure energy, and is widely applied to the fields of industrial manufacture, automobile maintenance, building construction, medical treatment and the like. In the existing multifunctional air compressor, a shell is generally divided into a motor shell, a piston driving mechanism shell, an air cavity supporting shell and an air cavity shell, and a sealing partition plate is arranged between a motor mounting cavity and a piston driving cavity, so that heat, oil mist and electromagnetic interference generated by motor operation are effectively prevented from polluting compressed air, and the operation stability and air cleanliness of the whole machine are improved. However, the structure still has the following defects that firstly, in the compression stroke of a piston, after gas enters the air cavity through an air inlet hole on the bottom plate of the air cavity, high-pressure gas in the air cavity easily flows back through the air inlet hole to lower the compression efficiency when the piston returns, and secondly, in the up-and-down reciprocating motion of the piston plate, the flow paths of the gas on the upper side and the lower side of the piston plate are single, so that efficient multi-stage air inlet and sealing are difficult to realize, and the air inflow and compression efficiency in a unit stroke are limited. Therefore, it is necessary to further optimize the unidirectional flow control mechanism of the gas based on the existing modular housing structure to improve the compression efficiency and the airtight reliability. Disclosure of utility model The utility model provides a novel multifunctional air compressor, which solves the problems existing in the use process in the prior art. The novel multifunctional air compressor comprises a motor shell, a piston driving mechanism shell and an air cavity supporting shell which are fixedly connected, wherein the piston driving mechanism shell is fixed on the rear side of the motor shell, the air cavity supporting shell is fixed above the piston driving mechanism shell, an air cavity shell is arranged above the air cavity supporting shell, an air cavity is arranged in the air cavity shell, an air cavity bottom plate used for forming sealing on the air cavity is fixedly connected between the air cavity shell and the air cavity supporting shell, a cylinder body is vertically arranged in the air cavity supporting shell, the top of the cylinder body is propped against the lower side of the air cavity bottom plate, an air inlet hole penetrating into the air cavity is formed in the air cavity bottom plate at a position corresponding to the cylinder body, an air outlet hole is formed in the air cavity rear side of the air cavity shell, a piston plate is movably matched in the cylinder body up and down, a motor is arranged in the motor shell, an output shaft of the motor is arranged in the motor driving mechanism shell, a piston driving mechanism used for connecting the motor and the piston plate is arranged in the piston driving mechanism shell, a one-way piston valve clack is arranged on the air cavity bottom plate on the upper side of the air inlet hole, the air cavity bottom plate is vertically provided with a piston plate, the air vent plate penetrates through the air vent plate, and the one-way valve device is arranged on the air vent plate. Preferably, the one-way valve device comprises a slave piston plate and an elastic diaphragm, the slave piston plate is fixed on the upper side of the piston plate, a one-way air inlet hole communicated with the air vent is formed in the slave piston plate, one end of the elastic diaphragm covers the upper side of the one-way air inlet hole, and one end of the elastic diaphragm, which is far away from the one-way air inlet hole, is fixed on the slave piston plate. Preferably, an air intake gap is provided between the slave piston plate and the piston plate. Preferably, a first screw is arranged at the center of the slave piston plate, the first screw is in threaded connection with the piston plate, a prop is integrally formed on the lower end face of one side of the slave piston plate, which is far away from the unidirectional air inlet, a connecting hole penetrating through the prop is formed in the slave piston plate, a second screw in threaded fit with the piston plate is arranged on the connecting hole, and one end of the elastic membrane, which is far away from the unidirectional air inlet, is fixed on the slave piston plate by the second screw. Preferably, the air inlet holes are uniformly distributed on the air cavity bottom plate in a circumference manner, the air cavity bottom plate is provided with a central hole at the circle center o