Swash-plate oscillating reciprocating-piston oilless air compressor
A technology of air compressors and reciprocating pistons, applied in the field of compressors, to prevent lubricating oil from dripping into the intake cylinder, reduce the burden of sealing, and improve the reliability of sealing
Active Publication Date: 2013-04-03
ZHEJIANG HONGYOU AIR COMPRESSOR MFG
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Problems solved by technology
[0004] Aiming at the problem that the traditional swash plate type compressor cannot guarantee the output of oil-free air working medium, the present invention provides a swash plate type swinging reciprocating piston oil-free air compressor, the purpose of which is to effectively solve the problems of the connecting rod shaft seal and the connecting rod shaft. The sealing problem between the outer surfaces, in addition, it also solves the problem of oil-free cooperation between the connecting rod and the piston, so as to ensure that the compressor can reliably output oil-free compressed air working fluid
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[0028] The present invention will be further described below with specific embodiment, see figure 1 -12:
[0029] A swash plate type swing reciprocating piston oil-free air compressor, which includes a drive plate 1, a swash plate 2, a connecting rod 3, a piston 4, a cylinder 5 and a box body 6, wherein one end of the connecting rod 3 is connected to the piston 4, and The other end of the connecting rod 3 is connected to the swash plate 2, and the swash plate 2 is arranged in the box body 6; in addition, a shaft seal 7 is provided for sealing cooperation with the connecting rod 3, and the shaft seal 7 includes a shaft seal body 7a and a seal lip 7b, wherein the sealing lip 7b is mainly responsible for forming a sealing fit with the connecting rod 3; the drive plate 1 is driven by a prime mover such as a motor or an internal combustion engine to perform a fixed-axis rotary motion, and the swash plate 2 is driven by the drive plate 1 to run. The disc 2 and its own axis of rotat...
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The invention belongs to the technical field of compressors and relates to a swash-plate oscillating reciprocating-piston oilless air compressor, which comprises a driving plate, a swash plate, a connecting rod, a piston, a cylinder and a box body, wherein one end of the connecting rod is connected with the piston, the other end of the connecting rod is connected with a swash plate and a shaft seal is arranged on the connecting rod. The swash-plate oscillating reciprocating-piston oilless air compressor is characterized in that the body of the shaft seal is provided with a sheet-shaped sealing skirt which is spread outwards and can extend, retract, oscillate and deform, the sealing skirt is tightly fixed on the box body or the cylinder, and a sealing lip is hermetically and tightly fixed on the body of the connecting rod and oscillates and moves back and forth along with the connecting rod. Since the sealing lip does not move relative to the body of the connecting rod and the connecting rod is tightly connected with the piston, the problem that lubricating oil in the box body seeps into the air cylinder is reliably solved; since the shaft seal is provided with the sealing skirt structure which can extend, retract, oscillate and deform, the problem that the shaft seal cannot adaptively oscillate and move back and forth along with the connecting rod is solved; and by taking the measures, the compressor can reliably output oilless compressed air working medium.
Description
technical field [0001] The invention belongs to the technical field of compressors, and relates to a swash plate compressor, in particular to a swash plate swing reciprocating piston oil-free air compressor. Background technique [0002] The swash plate compressor has the advantages of compact structure and good dynamic balance performance, so it has been widely used in the fields of refrigeration, air conditioning and gas compression. The working principle of this type of compressor is: first, the prime mover drives a swash plate to perform fixed-axis rotary motion, and then uses the swash plate to produce a certain range of reciprocating movement in the axial direction, and then the swash plate drives the connecting rod to perform reciprocating swinging motion. Then the connecting rod drives the piston to reciprocate in the cylinder, and finally realizes the periodical change of the volume of the working chamber of the compressor. [0003] However, in the current field of...
Claims
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IPC IPC(8): F04B27/12
Inventor 耿爱农阮勤江陈君立李辛沫
Owner ZHEJIANG HONGYOU AIR COMPRESSOR MFG