Control method of isobaric valve performance

Abstract

The invention discloses a control method of an isobaric valve performance. An isobaric valve comprises a fastening seat, a gasket, an oil outlet valve spring, an oil outlet valve core, an oil outlet valve seat, a steel ball, a spring upper seat, a spring lower seat and an oil return valve spring. The control method comprises the following steps of cleaning parts, respectively assembling couple parts and fastening seat parts, measuring the height of the couple parts, measuring the depth of the fastening seat parts, adjusting the pre-tightening length, finally assembling, grinding, adjusting and measuring oil return starting pressure, and carrying out package storing including oiling, packaging and storing. According to the control method disclosed by the invention, the control on oil supply starting pressure is replaced by the control on pre-tightening length, the problems of poor control reliability, low efficiency, high cost and troublesome assembling/disassembling by adopting a traditional control method of the isobaric valve performance are solved, a dedicated device is not needed to be used, the fastening seat parts and the couple parts of the isobaric valve can be prevented from being repeatedly and finally assembled and disassembled, the production cost is effectively reduced, and first-passyield and the production efficiency can be increased.

Description

[0001] technical field [0002] The invention relates to an equal pressure valve, in particular to a method for controlling the performance of the equal pressure valve. [0003] Background technique [0004] Equal pressure valve, also known as equal pressure oil outlet valve, is used in high pressure oil pump. Through certain parameter adjustment, it can control the residual pressure of high pressure chamber, and then achieve the effect of controlling the oil supply consistency of high pressure pump and avoiding cavitation in high pressure chamber. The equal pressure valve usually includes tight seat, gasket, oil outlet valve spring, oil outlet valve core, oil outlet valve seat, steel ball, spring upper seat, spring lower seat, oil return valve spring and other components. When assembling, firstly, put gaskets and oil outlet valve springs into the tight seat in order to form a tight seat; then, put the spring lower seat, oil return valve spring, spring upper seat, steel bal...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above technical problems, the present invention proposes a control method for the performance of an isobaric valve, which solves the problem of poor control reliability, low efficiency, high cost and cumbersome assembly and disassembly in traditional control methods by controlling the pre-tightening length instead of controlling the opening pressure of oil supply. problems, without the need for special equipment, can effectively reduce production costs, improve the first pass rate and production efficiency

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