Two-position three-way valve and vibration isolation system with same

A technology of two-position three-way valve and vibration isolation system, which is applied in the direction of multi-way valves, shock absorbers, valve devices, etc., and can solve the problems that affect the adjustment accuracy of the control valve, and the adjustment accuracy is difficult to meet the needs of more sophisticated instruments.

Active Publication Date: 2015-07-08
BEIJING U PRECISION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, many height adjustment valves in use are excellent adjustment devices, but their adjustment accuracy has been difficult to meet the needs of more sophisticated instruments. For example, the VM131 series height adjustment valves of Japan SMC Company can also be design

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  • Two-position three-way valve and vibration isolation system with same
  • Two-position three-way valve and vibration isolation system with same
  • Two-position three-way valve and vibration isolation system with same

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Embodiment Construction

[0028] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0029] On the one hand, the present invention provides a two-position three-way valve, such as Figure 1 to Figure 5 As shown, it includes the valve body lower cover 3, the valve sleeve 2 fixedly arranged inside the valve body lower cover 3, and the valve core 1 slidingly arranged inside the valve sleeve 2, wherein:

[0030] The side of the valve body lower cover 3 is provided with an air inlet 11 and an air outlet 12 in staggered positions;

[0031] The side of the valve sleeve 2 is provided with a first vent hole 14 and a second vent hole 6 at positions corresponding to the air inlet 11 and the air outlet 12;

[0032] The upper surface of the valve core 1 is provided with an exhaust port 13, and the side of the valve core 1 is provided with a first ve...

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Abstract

The invention discloses a two-position three-way valve and a vibration isolation system with the same and belongs to the technical field of valves. The valve comprises a valve body lower cover, a valve sleeve fixed in the valve body lower cover and a valve core arranged in the valve sleeve in a sliding mode. An air inlet and an air outlet which are staggered in position are formed in the side of the valve body lower cover. A first air vent and a second air vent are formed in the corresponding positions of the air inlet and the air outlet respectively. An exhaust port is formed in the upper surface of the valve core, a first ventilation groove is formed in the circumference of the side of the valve core, and the height of the first ventilation groove is larger than the distance between the first air vent and the second air vent. The height of a lower shaft shoulder of the valve core is identical to the height of the second air vent. By means of the system, switching between different states can be achieved by moving the valve core for small travel vertically, and accordingly, the adjusting accuracy is high.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a two-position three-way valve and a vibration isolation system provided with the two-position three-way valve. Background technique [0002] In the precision instrument industry at home and abroad, the air spring is a widely used vertical vibration isolation mechanism. It has the advantages of simple manufacturing and processing, low cost and good vibration isolation performance. However, its normal use is closely related to the height adjustment valve. Inseparable, when the load changes or there is external disturbance, the working height of the air spring changes, and the height regulating valve controls the air spring to perform the inflation and deflation operation to quickly return to the original working height position. [0003] At present, many height adjustment valves in use are excellent adjustment devices, but their adjustment accuracy has been difficult to meet the ne...

Claims

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Application Information

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IPC IPC(8): F16K11/07F16F9/34
CPCF16F9/34
Inventor 朱煜徐登峰穆海华黎远成张昆鹏雷忠兴闫永固
Owner BEIJING U PRECISION TECH
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