Vacuum pump with automatic air inlet function
A vacuum pump and functional technology, applied in the field of vacuum pumps with automatic air intake function, can solve the problems of cumbersome assembly, complex structure, and large device volume, and achieve the effects of small overall structure, simple assembly, and portability
Inactive Publication Date: 2019-12-24
河源市柏尔科技有限公司
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Problems solved by technology
[0002] In the existing technology, due to the traditional product structure and application limitations in the application field of vacuum pumps, the pump itself only has vacuum adsorption capacity. When the pump is working, the motor drives the eccentric wheel to drive the tower-shaped air bag to reciprocate, and the gas in the container is pumped out. It is discharged into the atmosphere through the air path of the umbrella line and the exhaust pipe. When the pump reaches the actual vacuum degree, the PCB controls the solenoid valve to open the air path, so that the gas can enter and continue to operate. The whole device is large in size, relatively complex in structure, and cumbersome to assemble.
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[0014] The following will describe in detail with reference to the accompanying drawings in conjunction with the embodiments, so as to further explain the technical features and advantages of the present invention.
[0015] Such as Figure 1-3 As shown, a vacuum pump with an automatic air intake function of the present invention includes a sequentially installed and fixed motor 4, which drives the piston 2 to move up and down to exhaust gas; an air intake chamber 3, which is connected to an air inlet 11 outside the air intake chamber; a support sleeve 1. There is an air bag 6 in the support sleeve; an air chamber 7, the air chamber is hollow; a diaphragm plate 8, a center hole and an eccentric hole are processed on the diaphragm plate; a cover plate 9, an air outlet 10 is provided in the center of the cover plate; the motor described above The output shaft is connected with the eccentric wheel 12, and the connecting rod 5 is installed in the oblique hole on the eccentric wheel...
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The invention discloses a vacuum pump with an automatic air inlet function. The vacuum pump comprises a motor, an air inlet bin, a supporting sleeve, an air chamber, a diaphragm plate, and a cover plate which are fixedly mounted in sequence, wherein the motor drives a piston to move up and down to exhaust; the air inlet bin is externally connected with an air inlet; an air bag is arranged in the supporting sleeve; the air chamber is hollow; a central hole and an eccentric hole are machined on the diaphragm plate; an air outlet is formed in the center of the cover plate; an output shaft of themotor is connected with an eccentric wheel, a connecting rod is mounted in an inclined hole on the eccentric wheel, the connecting rod is arranged in a central blind hole at the bottom of the piston in an inserting mode, the piston is located in a cavity at the lower part of the air bag, a cavity at the upper part of the air bag communicates with the air chamber, the diaphragm plate is located between the air chamber and the cover plate, the piston comprises three cylinders which are obliquely arranged, the inclination angle of each cylinder is 60-80 degrees, and the air bag comprises three cavities matched with the cylinders of the piston. The device has the advantages of being small in overall structure, simple in assembly and convenient to carry.
Description
technical field [0001] The invention relates to the technical field of structural design of vacuum pumps, in particular to a vacuum pump with automatic air intake function. Background technique [0002] In the existing technology, due to the traditional product structure and application limitations in the application field of vacuum pumps, the pump itself only has vacuum adsorption capacity. When the pump is working, the motor drives the eccentric wheel to drive the tower-shaped air bag to reciprocate, and the gas in the container is pumped out. It is discharged into the atmosphere through the air path of the umbrella line and the exhaust pipe. When the pump reaches the actual vacuum degree, the PCB controls the solenoid valve to open the air path, so that the gas can enter and continue to operate. The whole device is large in size, relatively complex in structure, and cumbersome to assemble. . Contents of the invention [0003] The object of the present invention is to o...
Claims
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IPC IPC(8): F04B37/14F04B45/00
CPCF04B37/14F04B45/00
Inventor 孙旭
Owner 河源市柏尔科技有限公司