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Three-way valve

A three-way valve and valve body technology, applied in the field of three-way valves, can solve the problems of easy wear, increased production cost, and short service life of the three-way valve, so as to prolong the service life, save the production cost, and overcome the short service life of the valve core. Effect

Inactive Publication Date: 2015-04-01
TERRENCE ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The three-way valve is widely used in the field of fluid control. The original three-way valve is installed in the pipeline, and the flow direction of the fluid is controlled by rotating the valve core. The structure is simple, but it is easy to wear, which leads to the short life of the three-way valve and increases the Cost of production

Method used

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Embodiment Construction

[0010] Such as figure 1 and figure 2 As shown, the three-way valve of the present invention includes a valve body 1. The valve body 1 may be integrated, and may also include an upper end cover and a lower end cover connected with the valve body. There is a cavity 2 inside the valve body 1, and a first channel 3, a second channel 4, and a third channel 5 communicating with the cavity 2 respectively. The first channel 3 is connected to a safety device 13 (SAV or SBV), and the second channel The channel 4 communicates with the pressure chamber 14, and the third channel 5 is connected with the pressure testing device 15. A valve core 6 is arranged in the cavity 2, and the valve core 6 includes an upper trapezoidal body 61, a cylinder 62, and a lower trapezoidal body 63. The lower end of the valve core 6 is A spring 7 is connected with the lower end of the valve body 1 . The periphery of the cylinder 62 is provided with a sealing ring 8, the upper surface of the valve core 6 is ...

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Abstract

The invention relates to the field of valves, in particular to a three-way valve. The three-way valve comprises a valve body, wherein a cavity, and a first channel, a second channel and a third channel which are respectively communicated with the cavity are formed in the valve body; a valve core is arranged in the cavity; the valve core consists of two trapezoid bodies which are arranged in a longitudinal symmetry manner and a cylinder which is sandwiched between the two trapezoid bodies; a sealing ring is arranged on the periphery of the cylinder; the first channel is selectively communicated with the second channel and the third channel by the matching of the valve core and the cavity; a push rod is arranged on the upper surface of the valve core, penetrates through the upper end of the valve body, and extends out of the valve body; clamping rods in the horizontal direction are arranged on the two sides of the push rod; a clamping seat corresponding to the clamping rods is arranged in the valve body. The defect that the service life of the valve core is short because the valve core of the original three-way valve is required to be rotated is overcome; the service life of the three-way valve is prolonged; the production cost is reduced.

Description

technical field [0001] The invention relates to the field of valves, in particular to a three-way valve. Background technique [0002] The three-way valve is widely used in the field of fluid control. The original three-way valve is installed in the pipeline, and the flow direction of the fluid is controlled by rotating the valve core. The structure is simple, but it is easy to wear, which leads to the short life of the three-way valve and increases the Cost of production. Contents of the invention [0003] The object of the present invention is to provide a three-way valve with good sealing performance and long service life. [0004] The technical scheme of the present invention is as follows: a three-way valve, including a valve body, a cavity is arranged in the valve body, and a first channel, a second channel and a third channel communicated with the cavity respectively, the A valve core is provided in the cavity, and the valve core is composed of two trapezoidal bod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K11/044
CPCF16K11/044
Inventor 马建荣王赟石凯峰卢俊杰
Owner TERRENCE ENERGY
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