Compression mechanism, compressor and refrigeration equipment
A technology of a compression mechanism and a spacer, applied in the field of compressors, can solve the problems of difficulty in ensuring accuracy, processing by conventional processing methods, and inability to improve the performance and reliability of the compressor, so as to achieve guaranteed performance and reliability, good performance, Create simple effects
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Embodiment 1
[0057] figure 2 Shown is a schematic diagram of the specific assembly structure of the piston 2 , the sliding plate 3 and the buffer spacer 4 in the first embodiment.
[0058] Such as Figure 4 As shown, the buffer spacer 4 is fixedly connected to the outer peripheral wall of the shaft body 33, which means that the buffer spacer 4 is located on the slide 3 and forms an integral part with the slide 3, and the slide 3 constitutes a composite slide. In this embodiment, the material of the buffer spacer 4 can be PPS or PTFE. These two materials have better self-lubricating properties, can store oil on the surface, and have better temperature resistance, which is beneficial to the reliability of the compression mechanism 100 .
[0059] The assembly process of this embodiment is as follows: firstly, the slider 3 is processed. The material of the slider 3 can be processed with high-speed steel or stainless steel of different grades. During processing, the size of the head end 31 of...
Embodiment 2
[0064] Figure 6 Shown is a schematic diagram of the specific assembly structure of the piston 2 , the sliding plate 3 and the buffer spacer 4 in the second embodiment.
[0065] Such as Figure 6 As shown, the buffer spacer 4 is installed between the piston 2 and the sliding plate 3, and the buffer spacer 4 is an independent part, that is to say, the buffer spacer 4 is neither fixedly connected to the piston 2 nor fixedly connected to the sliding plate 3 on. Specifically, the inner peripheral surface and the outer peripheral surface of the buffer spacer 4 are all formed as arc surfaces with a central angle greater than 180 degrees. Similarly, the outer peripheral surface of the shaft body 33 and the inner peripheral surface of the groove 21 are also formed as a central angle Arc surface greater than 180 degrees.
[0066] Wherein, the material of the buffer spacer 4 can be PPS or PTFE.
Embodiment 3
[0068] Figure 7 Shown is a schematic diagram of the specific assembly structure of the piston 2 , the sliding plate 3 and the buffer spacer 4 in the third embodiment.
[0069] Such as Figure 7 and Figure 8 As shown, the buffer spacer 4 is fixedly connected to the inner peripheral wall of the groove 21, which means that the buffer spacer 4 is located on the piston 2 and forms an integral part with the piston 2, and the piston 2 constitutes a composite piston. In this embodiment, the material of the buffer spacer 4 can be PPS or PTFE.
[0070] The assembly process of this embodiment is as follows: first, the piston 2 is processed, the piston 2 can be processed by casting or steel, and the piston 2 can also be processed by powder metallurgy; then the buffer spacer 4 is injected into the groove 21 of the piston 2 to form Composite piston 2.
[0071] Such as Figure 8 As shown, the buffer spacer 4 is formed as an arc-shaped sleeve, and the central angle of the buffer spacer...
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