Piston type energy accumulator
An accumulator and piston-type technology, which is applied in the field of hydraulic control, can solve problems affecting the normal use of piston-type accumulators, shorten the gas supplementary pressure cycle, and reduce system reliability, so as to achieve convenient installation and set-up, and solve internal leakage problems , the effect of simple structure
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[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as image 3 , Figure 4 As shown, the piston accumulator of the present invention includes a cylinder 7, an air cover 9, a piston 5, an end cover 1 and an inflation valve 10 connected to the air cover 9, and the piston 5 is provided with a guide ring 12, and the end cover 1 and the gas cover 9 are provided with a fourth sealing ring 8 for radial sealing. The gas cover 9 is fixed on the top of the cylinder 7, the end cover 1 is fixed on the bottom of the cylinder 7, the piston 5 is located between the gas cover 9 and the end cover 1 and the cylinder 7 is divided into an air chamber 17 and an oil chamber 15, and the piston 5 A first annular groove 4 is formed between the end close to the end cover 1 and the inner wall of the cylinder barrel 7, and a first sealing ring 14 is installed in the first annular groove 4; when the...
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