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High-stability three-way valve

A high-stability, high-valve technology that is applied to valve details, valve devices, and valve housing structures, and can solve problems such as limited opening limits of the left and right valves, affecting the size of the water flow, and poor sealing effects

Inactive Publication Date: 2020-12-29
龙东华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-stability three-item valve to solve the problem of the arc-shaped plate of the existing three-item valve proposed in the above-mentioned background technology, the sealing effect is poor, and the opening limit of the left and right valves is limited. The size of the water flow reduces the flow velocity and affects the displacement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A high-stability three-item valve, comprising a valve body 1, a shell 4 is fixedly connected to the top of the valve body 1, an opening and closing mechanism 2 is installed on the top of the valve body 1, and a damping device 12 is installed on the inner wall of the valve body 1; the damping device 12 includes a damping cylinder 121, a limit ring 126 and a damping mechanism installed in the damping cylinder 121, the damping cylinder 121 has openings at both ends, a partition 122 is installed in the middle, and the limiting ring 126 is installed at the openings at both ends of the damping cylinder 121, The top of the partition 122 is provided with an air hole 123 that communicates the interior of the housing 4 with the inside of the damping cylinder 121 on both sides of the partition 122. Both sides of the partition 122 are equipped with a damping mechanism. The damping mechanism includes a piston 125 and is installed between the piston 125 and The damping spring 124 betw...

Embodiment 2

[0041] As an option, see Figure 1-5 , the opening and closing mechanism 2 includes a rubber plate 201, a thin plate 202, a first spring 203, a long plate 204, a chute 205, a square plate 206 and a first threaded rod 207. The left and right sides of the top are interference fit, the rubber plate 201 is forced to move up and down through the left and right sides of the top of the valve body 1, the tops of the two rubber plates 201 are fixedly connected to the bottom of the thin plate 202, and the tops of the outer walls of the two rubber plates 201 are respectively It is socketed with the inner wall of the first spring 203, and the upper and lower sides of the two first springs 203 are fixedly connected with the bottom of the thin plate 202 and the top of the valve body 1 respectively, and the rubber plate 201 is moved by the force of the first spring 203 Rebound, the tops of the two thin plates 202 are attached to the left and right sides of the bottom of the long plate 204 re...

Embodiment 3

[0044] As an option, see Figure 1-7 , high-stability three-item valve, the outer wall of the first threaded rod 207 is threadedly connected to the top of the casing 4, the left and right sides of the top of the casing 4 are fixedly connected with brackets 5, and the tops of the two brackets 5 are equipped with control mechanisms 3, The control mechanism 3 includes a second threaded rod 301, a convex plate 302, a curved plate 303 and a round wheel 304. The top of the outer wall of the second threaded rod 301 is connected to the top right side of the bracket 5 in rotation, and the second threaded rod 301 is stressed through the bracket 5. The bearing on the right side of the top rotates, the outer wall of the second threaded rod 301 is threadedly connected with the left side of the convex plate 302, the bottom of the convex plate 302 is fixedly connected with the top of the curved plate 303, and the outer wall of the curved plate 303 has a gap with the top of the shell 4 Cooper...

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Abstract

The invention discloses a high-stability three-way valve. The valve comprises a valve body. A shell is fixedly connected to the top of the valve body, an opening and closing mechanism is installed onthe top of the valve body, and a damping device is installed on the inner wall of the valve body. The damping device comprises a damping cylinder, a limiting ring and damping mechanisms installed in the damping cylinder. The two ends of the damping cylinder are open, a partition plate is installed in the middle of the damping cylinder, the limiting ring is installed at the openings in the two endsof the damping cylinder, air holes are formed in the top of the partition plate, and the interior of the shell communicates with the parts, on the two sides of the partition plate, of the interior ofthe damping cylinder through the air holes. Because the damping mechanisms are installed on both the two sides of the partition plate, a water hammer effect is eliminated, the problem that valve opening is limited due to the radian is solved, the magnitude of water flow is guaranteed, the magnitude of flow speed is guaranteed, the magnitude of discharge capacity is guaranteed, rotation of a longplate is under control, closed pressing is formed on a single face, cracks are avoided, normal work is guaranteed, and the airtightness is improved.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a high-stability three-item valve. Background technique [0002] The three-way valve has three ports, one in and two out. The difference from ordinary valves is that there is an outlet at the bottom. When the internal spool is in different positions, the outlets are different. For example, when the spool is at the bottom, the left and right are connected. , the right exit is blocked, and the left and lower exits are connected. [0003] Due to the problem of the arc plate when the existing three-way valve is used, the opening limit of the left and right valves is limited, which affects the size of the water flow, reduces the flow rate, and affects the displacement. Affects normal work, and rubber sheets are used at the joints, especially under the action of water hammer effect, the sealing effect is poor, dripping water will still appear for a long time, maintenance is troublesome...

Claims

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Application Information

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IPC IPC(8): F16K27/00F16K47/02F16K31/50
CPCF16K27/00F16K31/50F16K47/023
Inventor 龙东华
Owner 龙东华
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