CN211738123U

CN211738123U - One-way valve capable of conveying high-viscosity medium

Info

Publication number: CN211738123U
Application number: CN202020436622.XU
Authority: CN
Inventors: 张畅
Original assignee: Hangzhou Daquan Pumps Technology Co ltd
Current assignee: Hangzhou Daquan Pumps Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-23
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a can carry check valve of high viscosity medium, including disk seat, valve ball and valve barrel, the valve barrel is installed in disk seat upper portion, has seted up outlet orifice and inflow hole on valve barrel and the disk seat respectively, and the valve ball is located the cavity that the valve barrel encloses with the disk seat, is provided with a bowl mouthful of form arc concave surface on the disk seat, and the discharge orifice is connected to bowl mouthful of form arc concave surface center, is provided with the locating hole on the valve barrel, installs the stopper in the locating hole, stopper bottom end fixed connection spring, and the spring bottom is supported and is pressed the valve ball, and the valve ball pressure closely seals in the discharge orifice. According to the one-way valve capable of conveying the high-viscosity medium, the spring and the limiter are added into the ball valve, so that the pump valve is effectively guaranteed to be normally opened and closed under the environment of the high-viscosity medium. Meanwhile, the bowl-mouth-shaped arc-shaped concave surface on the valve seat is convenient for the valve ball to seat, good sealing is formed, and dead zones are avoided. The utility model discloses can realize opening and close fast under high viscosity medium operating mode, fluid resistance is little, and is sealed reliable. Meanwhile, the structure is simple, the disassembly is convenient, and the maintenance cost is low.

Description

One-way valve capable of conveying high-viscosity medium

Technical Field

The utility model relates to a check valve technical field especially relates to a can carry check valve of high viscosity medium.

Background

Because of reasons such as simple structure, dismantlement convenience, current check valve adopts automatic valve more, and automatic valve divide into spring valve and automatic ball valve two kinds again. When high-viscosity media are conveyed, the valve plate of the spring valve is poor in sealing effect and low in volumetric efficiency; the automatic ball valve is greatly influenced by the inertia force of the fluid and cannot be normally closed. Both automatic valves can not be applied, so a forced valve is mostly used to ensure that the pump valve is opened and closed in time, maintain the normal suction and discharge process, avoid the poor sealing and reduce the volumetric efficiency. However, the forced valve is complicated in structure and difficult to disassemble.

With the development of the market, a one-way valve which can convey high-viscosity media and has the characteristics of simple structure, convenience in disassembly and assembly and the like is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model relates to a can carry check valve of high viscosity medium.

The utility model adopts the following technical scheme:

the utility model provides a can carry check valve of high viscosity medium, includes disk seat, valve ball and valve barrel, the valve barrel is installed in disk seat upper portion, discharge orifice and inflow hole have been seted up respectively on valve barrel and the disk seat, the valve ball is located the cavity that valve barrel and disk seat enclose, be provided with a bowl mouth form arc concave surface on the disk seat, the hole is let into in bowl mouth form arc concave surface center connection, be provided with the locating hole on the valve barrel, install the stopper in the locating hole, stopper bottom end fixed connection spring, the valve ball is supported to the pressure in the spring bottom, the valve ball pressure closely seals in the discharge orifice.

Preferably, the valve sleeve and the valve seat are respectively provided with a male spigot and a female spigot which are matched with each other.

Preferably, a sealing gasket is arranged between the concave spigot and the convex spigot.

Preferably, one end of the limiting stopper is inserted into the positioning hole for positioning, and the other end of the limiting stopper is fixedly welded with the spring.

The utility model has the advantages that: according to the one-way valve capable of conveying the high-viscosity medium, the spring and the limiter are added into the ball valve, so that the pump valve is effectively guaranteed to be normally opened and closed under the environment of the high-viscosity medium. Meanwhile, the bowl-mouth-shaped arc-shaped concave surface on the valve seat is convenient for the valve ball to seat, good sealing is formed, and dead zones are avoided. The utility model discloses can realize opening and close fast under high viscosity medium operating mode, fluid resistance is little, and is sealed reliable. Meanwhile, the structure is simple, the disassembly is convenient, the manufacturability is good, the failure rate is low, and the maintenance cost is low.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. the valve comprises a valve seat, 2, a valve ball, 3, a sealing gasket, 4, a spring, 5, a valve sleeve, 6 and a limiter.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): as shown in the attached figure 1, the check valve capable of conveying high-viscosity media comprises a valve seat 1, a valve ball 2 and a valve seat 5, wherein the valve seat 5 is installed on the upper portion of the valve seat, a flow outlet and a flow inlet are respectively formed in the valve seat 5 and the valve seat 1, the valve ball 2 is located in a cavity defined by the valve seat 5 and the valve seat 1, a bowl-mouth-shaped arc concave surface is arranged on the valve seat 1, the center of the bowl-mouth-shaped arc concave surface is connected with the flow inlet, a positioning hole is formed in the valve seat, a limiter 6 is installed in the positioning hole, the bottom end of the limiter 6 is fixedly connected with a spring 4, the bottom end of the spring 4 supports. The valve sleeve 5 and the valve seat 1 are respectively provided with a convex spigot and a concave spigot which are matched with each other. A sealing gasket 3 is arranged between the concave spigot and the convex spigot. One end of the limiting stopper 6 is inserted into the positioning hole for positioning, and the other end of the limiting stopper is fixedly welded with the spring 4.

When the check valve capable of conveying high-viscosity media works, the check valve moves back and forth along with a metering pump piston (plunger), the valve ball 2 is opened under the action of liquid pressure difference, meanwhile, the compression spring 4 on the valve ball is compressed, when the compression reaches a certain limit, the valve ball 2 is closed under the action of the dead weight of the valve ball and the elastic force of the spring, and the check valve is opened and closed periodically to alternately communicate and cut off a channel between the working cavity and the inlet and the outlet, so that the suction and discharge processes of liquid in the high-viscosity media environment are realized.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The utility model provides a can carry check valve of high viscosity medium, includes disk seat, valve ball and valve barrel, the valve barrel is installed in disk seat upper portion, has seted up outlet orifice and inflow hole on valve barrel and the disk seat respectively, the valve ball is located the cavity that the valve barrel encloses with the disk seat, characterized by, be provided with a bowl mouthful of form arc concave surface on the disk seat, the discharge orifice is even connected to bowl mouthful form arc concave surface center, is provided with the locating hole on the valve barrel, installs the stopper in the locating hole, stopper bottom end fixed connection spring, and the spring bottom supports presses the valve ball, and the valve ball is pressed and is closely sealed into the discharge orifice.

2. A check valve for delivering high viscosity media as claimed in claim 1, wherein the valve housing and the valve seat are respectively provided with male and female spigots matching each other.

3. The check valve for conveying high-viscosity media of claim 2, wherein a sealing gasket is arranged between the female spigot and the male spigot.

4. The check valve for conveying high-viscosity media according to claim 1, wherein one end of the stopper is inserted into the positioning hole for positioning, and the other end of the stopper is fixedly welded with the spring.