Coaxially homodromous gas pressurization mechanism and gas pressurization method
A gas pressurization, coaxial and same direction technology, applied in the direction of machines/engines, liquid variable displacement machinery, mechanical equipment, etc., can solve the problems that affect the efficiency of pressure instrument calibration, low pressure, low gas pressure making efficiency, etc. , to achieve the effects of increased reliability and controllability, balanced force, and low assembly cost
Active Publication Date: 2013-08-21
北京桑普新源技术有限公司
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Problems solved by technology
Existing gas pumps basically use a single compression of gas to generate pressure, which can only reach a very low pressure due to the impact of the compression ratio
On the other hand, limited by the operating force, the efficiency of gas pressure creation is also very low, which directly affects the efficiency of pressure instrument calibration
With the development of science and technology, the pressure resistance capacity of industrial pressure equipment is enhanced, and the pressure value of the pressure monitoring instrument matched with it is also continuously increasing, while the original pressure creation capacity (pressure value and efficiency) of the air pump used for calibration is far from meeting the needs of the industry. development needs
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[0023] On the basis of the conventional one-stage pressure-making air pump, the present invention adds a one-stage piston and a follow-up check valve coaxially and in the same direction, and uses the change of the cavity before and after the piston movement to store and exchange gas, so that the primary compression ratio is adjusted to two stages Compression ratio, so that gas compression reaches a higher pressure range, improves gas compression efficiency, reduces the force required for compression, and adapts to modern product development concepts.
[0024] The coaxial and same-direction moving gas pressurization mechanism designed by the present invention, see figure 1 and figure 2 shown, including:
[0025] A primary cylinder 14 and a primary piston 13 and piston connecting rod 12 placed therein;
[0026] A two-stage pressurized cylinder 03 and a two-stage piston 04 placed therein; and a connecting piece 01 for connecting with a pressure instrument.
[0027] here:
[...
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The invention discloses a coaxially homodromous gas pressurization mechanism and a gas pressurization method, and belongs to the field of gas pressurization. The coaxially homodromous gas pressurization mechanism comprises a primary gas cylinder (14), a primary piston (13), a piston connecting rod (12), a secondary gas pressurization cylinder (03), a secondary piston (04), a secondary driven check valve (05) and a connecting component (01). The primary piston and the piston connecting rod are arranged in the primary gas cylinder; and the secondary piston and the secondary driven check valve are arranged in the secondary gas pressurization cylinder. The connecting component is connected with a pressure meter. The primary gas cylinder is oppositely connected with the secondary gas pressurization cylinder, and is communicated with the same by a gas circuit. The piston connecting rod of the primary piston and the driven check valve are coaxial and fixedly connected at the tails of each other. The driven check valve is locked in the secondary piston, and is provided with a channel for unidirectionally discharging gas to the secondary gas pressurization cylinder. The connecting component is communicated with the secondary gas pressurization cylinder by a gas circuit. Pressurized gas supplement to the secondary gas pressurization cylinder and high-pressure gas outputting can be implemented by the primary gas cylinder at every time of pressurization; gas pressurization efficiency is improved; operation force is lowered; and the coaxially homodromous gas pressurization mechanism is applicable to the pressure meter calibration industry.
Description
technical field [0001] The invention belongs to the industry of pressure instrument calibration, and relates to gas pressure-making equipment used in conjunction with pressure calibration instruments, in particular to a mechanism and method for multi-stage pressurization. Background technique [0002] In the pressure instrument calibration industry, gas pressure pumps are generally used to create pressure equipment for the calibration of pressure measuring instruments. Gas pressure making equipment is a commonly used product in the pressure instrument calibration industry. The gas pump uses air compression to generate the required pressure, and will not produce liquid pressure to cause pollution to the environment and the instrument being tested. Existing gas pumps basically use a single compression of gas to generate pressure, which can only reach a very low pressure due to the impact of the compression ratio. On the other hand, limited by the operating force, the efficien...
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IPC IPC(8): F04B25/04F04B25/02
Inventor 姜维利
Owner 北京桑普新源技术有限公司
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