CN215980994U

CN215980994U - Full latus rectum high efficiency check valve

Info

Publication number: CN215980994U
Application number: CN202122671434.2U
Authority: CN
Inventors: 华爱爱
Original assignee: Zhejiang Zhongnan Copper Co ltd
Current assignee: Zhejiang Zhongnan Copper Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-08
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a full-bore high-efficiency check valve, which comprises a valve body, a water outlet and a water inlet, wherein the water outlet and the water inlet are positioned at the left end and the right end of the valve body, and the central axes of the water outlet and the water inlet are superposed, and the full-bore high-efficiency check valve is characterized in that: the valve body is internally provided with a fluid passage, the cross-sectional area of the fluid passage is larger than that of the water outlet and the water inlet, the inner wall of the fluid passage is provided with an installation block, a through hole is transversely formed in the installation block, a valve clack is arranged in the through hole in a sliding mode, the valve clack comprises a valve rod, a driving plate and a check plate, the driving plate and the check plate are arranged at the left end and the right end of the valve rod, and the valve clack is a revolving body which is transversely shaped like an H shape.

Description

Full latus rectum high efficiency check valve

Technical Field

The utility model relates to the technical field of valves, in particular to a full-bore high-efficiency check valve.

Background

The check valve belongs to the automatic valve class, also known as check valve, reflux valve or isolating valve. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water. The check valve and the stop valve are combined for use, and the safety isolation effect can be achieved. The valve clack motion mode is divided into lifting type and swing type.

The swing check valve relies on the water pump to open the back, backs down the valve clack swing through fluid pressure, and the valve clack is the angle of opening entirely for 60, can not reach full latus rectum and carry the medium, makes flow significantly reduce to the whole in-process of carrying the medium valve clack all relies on the pressure of carrying the medium to be in the suspended state, makes the fluid resistance very big from this, and the water pump frequently supplies water, and the power consumption is high. The lifting check valve jacks the valve clack upwards through fluid pressure, and the valve clack has short stroke, so that the flow area is small, and the flow is seriously influenced. And the internal structure and the pipeline of the existing check valve are usually complex, the production cost is high, the maintenance difficulty is high, and the parts often comprise easily damaged parts such as a spring, a rubber sleeve and a diaphragm, so that the valve needs to be maintained frequently, and the convenience and the economy are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problems in the prior art, provides a full-bore high-efficiency check valve which is simple in internal structure, small in production and maintenance difficulty, long in maintenance period and service life, small in resistance of the valve clack to fluid, capable of conveying media in a full bore, high in flow efficiency and capable of effectively solving the problems in the background art, and the valve clack is driven by water pressure and is free of easily damaged parts such as a spring, a diaphragm and a rubber sleeve.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a full latus rectum high efficiency check valve, includes the valve body and is located delivery port and the water inlet at both ends about the valve body, the axis coincidence of delivery port and water inlet, its characterized in that: the valve body is internally provided with a fluid passage, the cross-sectional area of the fluid passage is larger than that of the water outlet and the water inlet, the inner wall of the fluid passage is provided with a mounting block, a through hole is transversely formed in the mounting block, a valve clack is arranged in the through hole in a sliding mode, the valve clack comprises a valve rod, a driving plate and a check plate, the driving plate and the check plate are arranged at the left end and the right end of the valve rod, the valve clack is a revolving body, the cross section of the revolving body is H-shaped, the central axis of the valve rod coincides with the central axes of the water outlet and the water inlet, and the check plate can completely block the water inlet.

As a preferred technical scheme of the utility model, mounting flanges are arranged at the outer ends of the water outlet and the water inlet, and connecting holes are formed in the mounting flanges.

As a preferable technical scheme of the utility model, the drive plate and the check plate are disks with diameters larger than those of the water outlet and the water inlet, the drive plate is close to the water outlet, and the check plate is close to the water inlet.

As a preferable technical scheme of the present invention, the driving plate is provided with four circulation holes, and the circulation holes are arrayed at equal angles around a central axis of the driving plate.

As a preferable technical scheme of the utility model, a one-way plate is rotatably arranged on the end face, close to the water outlet, of the driving plate, a mounting rotating shaft of the one-way plate is positioned at the top of the one-way plate, and the one-way plate covers the flow through hole.

As a preferable technical scheme of the utility model, the valve rod is provided with a guide groove along the axial direction of the valve rod, and a guide block is correspondingly arranged in the through hole of the mounting block.

Compared with the prior art, the utility model has the beneficial effects that: the full-bore high-efficiency check valve is simple in internal structure, small in production and maintenance difficulty, long in maintenance period, long in service life, small in resistance of the valve clack to fluid, capable of achieving full-bore medium conveying and high in flow efficiency, and the valve clack is driven by water pressure and free of easily-damaged parts such as springs, diaphragms and rubber sleeves.

Drawings

FIG. 1 is a schematic structural view of a reverse flow state of the present invention;

FIG. 2 is a schematic structural view of a forward flow state of the present invention;

FIG. 3 is a schematic view of the valve flap structure of the present invention.

In the figure: the valve comprises a valve body 1, a water inlet 2, a water outlet 3, a fluid passage 4, a valve clack 5, a valve rod 51, a check plate 52, a drive plate 53, a circulation hole 54, a one-way plate 55, a guide groove 56, a mounting block 6, a mounting flange 7 and a connecting hole 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a full-bore high-efficiency check valve comprises a valve body 1, a water outlet 3 and a water inlet 2 which are positioned at the left end and the right end of the valve body 1, wherein the central axes of the water outlet 3 and the water inlet 2 are overlapped, the valve body 1 is transversely installed, the outer ends of the water outlet 3 and the water inlet 2 are provided with an installation flange 7, the installation flange 7 is provided with a connection hole 8 for connecting a valve with a pipeline, a fluid channel 4 is arranged inside the valve body 1, the cross section area of the fluid channel 4 is larger than that of the water outlet 3 and the water inlet 2, the full-bore medium conveying can be achieved, the flowing efficiency is higher, an installation block 6 is arranged on the inner wall of the fluid channel 4, a through hole is transversely arranged on the installation block 6, and a valve clack 5 is arranged in the through hole in a sliding manner;

the valve flap 5 comprises a valve rod 51, a driving plate 53 and a check plate 52 which are arranged at the left end and the right end of the valve rod 51, the valve flap 5 is a revolving body with the cross section in an H shape, the central axis of the valve rod 51 is coincident with the central axes of the water outlet 3 and the water inlet 2, the driving plate 53 and the check plate 52 are disks with the diameters larger than the diameters of the water outlet 3 and the water inlet 2, the driving plate 53 is close to the water outlet 3, the check plate 52 is close to the water inlet 2, and the check plate 52 can completely block the water inlet 2, as shown in figure 2, when fluid flows forwards, the check plate 52 is pushed away and flows to the water outlet 3 through a fluid channel 4, as shown in figure 3, when the fluid flows backwards, the driving plate 53 is pushed by the fluid, and then the check plate 52 is driven to be close to the water inlet 2, and finally the check water inlet 2 is blocked, thus achieving the purpose of quick-damage, as seen, the valve flap 5 is driven by water pressure, and has no spring, diaphragm, rubber sleeve and other parts, the maintenance cycle is long, the service life is long, the valve clack 5 has small resistance to fluid, the medium can be conveyed in a full path, the flowing efficiency is high, the driving plate 53 is provided with four circulating holes 54, the number of the circulating holes 54 is equal to that of the central axis of the driving plate 53, the circulating holes 54 are used for improving the path of the fluid, the end surface of the driving plate 53, which is close to the water outlet 3, is rotatably provided with a one-way plate 55, the mounting rotating shaft of the one-way plate 55 is positioned at the top of the one-way plate 55, the one-way plate 55 covers the position of the circulating hole 54, the one-way plate 55 can be pushed open by the fluid flowing forwards, the fluid can pass through the circulating holes 54, the purpose of improving the path of the fluid is achieved, when the fluid flows reversely, the one-way plate 44 can be closed under the action of gravity, so that the reverse fluid can push the driving plate 53 with the maximum efficiency, the valve rod 51 is provided with a guide groove 56 along the axial direction, and a guide block is correspondingly arranged in the through hole of the mounting block 6, so as to ensure that the installation rotating shaft of the one-way plate 55 is positioned at the top of the one-way plate 55, and further ensure the using effect of the one-way plate 55.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full latus rectum high efficiency check valve, includes valve body (1) and lies in delivery port (3) and water inlet (2) at both ends about valve body (1), the axis coincidence of delivery port (3) and water inlet (2), its characterized in that: a fluid channel (4) is arranged in the valve body (1), the cross section area of the fluid channel (4) is larger than that of the water outlet (3) and the water inlet (2), a mounting block (6) is arranged on the inner wall of the fluid channel (4), a through hole is transversely arranged on the mounting block (6), and a valve flap (5) is arranged in the through hole in a sliding manner;

the valve clack (5) comprises a valve rod (51), drive plates (53) and a check plate (52), wherein the drive plates (53) and the check plate (52) are arranged at the left end and the right end of the valve rod (51), the valve clack (5) is a revolving body with the cross section shaped like an H, the central axis of the valve rod (51) coincides with the central axes of the water outlet (3) and the water inlet (2), and the check plate (52) can completely block the water inlet (2).

2. A full-bore high efficiency check valve as defined in claim 1, wherein: the outer ends of the water outlet (3) and the water inlet (2) are provided with mounting flanges (7), and connecting holes (8) are formed in the mounting flanges (7).

3. A full-bore high efficiency check valve as defined in claim 1, wherein: the drive plate (53) and the check plate (52) are disks with diameters larger than those of the water outlet (3) and the water inlet (2), the drive plate (53) is close to the water outlet (3), and the check plate (52) is close to the water inlet (2).

4. A full-bore high efficiency check valve as defined in claim 1, wherein: the driving plate (53) is provided with four circulation holes (54), and the circulation holes (54) are arrayed in an equal angle around the central axis of the driving plate (53).

5. A full-bore high efficiency check valve as defined in claim 4 wherein: the end face, close to the water outlet (3), of the driving plate (53) is rotatably provided with a one-way plate (55), an installation rotating shaft of the one-way plate (55) is located at the top of the one-way plate, and the one-way plate (55) covers the flow through hole (54).

6. A full-bore high efficiency check valve as defined in claim 1, wherein: a guide groove (56) is formed in the valve rod (51) along the axial direction of the valve rod, and a guide block is correspondingly arranged in a through hole of the mounting block (6).