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Buoyancy control primary and secondary core pipe valve

A technology for controlling sub-tubes and core tubes, applied in the direction of sliding valves, valve details, valve devices, etc., can solve problems such as inconvenient installation and maintenance, large space occupied by float valves, frequent opening and closing actions, etc., to improve reliability And long-term effect, reduce the vertical activity space, the effect of simple structure

Inactive Publication Date: 2019-10-11
卢星霖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the large floating ball valves used in liquid containers such as large reservoirs, pools, water towers, oil pools, and oil tanks use a sub-mother valve group, and the outer end of the lever type floating ball valve is hinged to one end of the floating ball arm and connected to the valve stem. One end is connected to the floating ball. Due to the swaying of the floating ball arm due to the surge of water flow, the valve core and the valve seat are eccentrically worn, and the sealing effect is not good; this kind of floating ball valve occupies a large space, and installation and maintenance are not convenient; this kind of floating ball valve , so that the container is always kept at a high level, the liquid drops slightly, and the replenishment is opened immediately, and the opening and closing actions are relatively frequent

Method used

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  • Buoyancy control primary and secondary core pipe valve
  • Buoyancy control primary and secondary core pipe valve
  • Buoyancy control primary and secondary core pipe valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] See attached figure 1 , 2 , the buoyancy control sub-mother core tube valve in this embodiment is a sub-mother valve group, and the discussion of the main valve is mainly discussed; the valve core tube 1 is a fixing piece that runs through the sleeve I2' of the valve body 2, and the inner cavity 200 of the valve body 2 , and the sleeve pipe II 2 "of the valve body 2; there is an axial partition 100 in the middle of the valve core tube 1, and the partition layer 100 is composed of the inner core and the middle section of the valve core tube 1 radially radiating from the inner core, and the two shafts of the core tube 100 The end face is a tongue-shaped triangular slope surface 100'; the axially adjacent two sides of the partition 100 are respectively two uniformly arranged radial flow holes 103 of the input section 1' and the output section 1"; surrounding and embedded in the partition 100 The sealing surface of the annular valve core 101 is a two-way slope surface and ...

Embodiment 2

[0031] See attached image 3 , 4 , the buoyancy control sub-mother core pipe valve in this embodiment is a sub-mother valve group, and the main valve is mainly discussed; the valve core pipe 1 is a fixed part that is perpendicular to the ground and runs through the valve body 2 from top to bottom on the same axis. Sleeve I2', inner cavity 200 of valve body 2, and sleeve II2" of valve body 2; there is an axial partition 100 in the middle of the valve core tube 1, and the partition 100 is radially radiated from the inner core and the middle tube section of the valve core tube 1 Composition, the two axial end faces of the inner core of the interlayer 100 are tongue-shaped triangular slope surfaces 100'; the input section 1' and the output section 1" all have two uniformly arranged radial flow holes 103; the ring surrounding the interlayer 100 The sealing surface of the valve core 101 is a circular arc slope and the annular valve seat 201 at the throat of the sleeve pipe I2' and ...

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Abstract

The invention relates to a buoyancy control primary and secondary core pipe valve, and the buoyancy control primary and secondary core pipe valve is one of conventional core pipe valve series in original core pipe valve nut series. According to the primary valve, the valve core pipe comprises a sleeve I, a valve body inner cavity and a valve body sleeve II, wherein a fixing part coaxially penetrates through a valve body; the middle part of the valve core pipe is provided with an axial interlayer, and at least one radial circulating hole of the input section and the output section is respectively arranged on two axially adjacent sides of the interlayer; an annular valve core surrounding the interlayer and an annular valve seat at the throat part of at least one of the sleeve I and the sleeve II form a sealing pair; at least one joint part of the input section and the sleeve I and the output section and the sleeve II is sealed; a T-shaped communicating pipe communicating with a corrugated blind pipe enables the valve body to move axially, one end of the communicating pipe communicates with the front pressure of the valve, and the other end of the communicating pipe communicates witha secondary valve, namely a floating ball core pipe valve; and under the action of up-and-down movement of a floating ball, the valve body of the floating ball core pipe valve makes axial reciprocating movement to realize opening and closing. According to the buoyancy control primary and secondary core pipe valve, the structure is simple and reliable, the straight line is opened and closed, the sealing effect is good, and the vertical moving space and the maintenance are reduced.

Description

technical field [0001] The buoyancy control sub-mother core tube valve of the present invention is a sub-mother valve group, belongs to the field of valves, and is one of the conventional core tube valve plates in the core tube valve mother series invented by myself. Background technique [0002] At present, the large floating ball valves used in liquid containers such as large reservoirs, pools, water towers, oil pools, and oil tanks use a sub-mother valve group, and the outer end of the lever type floating ball valve is hinged to one end of the floating ball arm and connected to the valve stem. One end is connected to the floating ball. Due to the swaying of the floating ball arm due to the surge of water flow, the valve core and the valve seat are eccentrically worn, and the sealing effect is not good; this kind of floating ball valve occupies a large space, and installation and maintenance are not convenient; this kind of floating ball valve , so that the container is al...

Claims

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Application Information

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IPC IPC(8): F16K31/18F16K3/22F16K27/04
CPCF16K31/18F16K3/22F16K27/041
Inventor 卢星霖
Owner 卢星霖
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