CN217130715U

CN217130715U - Liquid flow swing check valve

Info

Publication number: CN217130715U
Application number: CN202122096265.4U
Authority: CN
Inventors: 吴万荣
Original assignee: Zhejiang Jufan Copper Co ltd
Current assignee: Zhejiang Jufan Copper Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-08-05
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to a swing check valve technical field, in particular to a liquid flow swing check valve, which comprises a swing check valve, the right end of the swing check valve is communicated with a left three-way pipe through a flange, the right end of the left three-way pipe is communicated with a fixed box, the right end of the fixed box is communicated with a right three-way pipe, the inner side of the fixed box is connected with a sliding frame in a sliding way, the right end of the inner side of the sliding frame is connected with a filter screen in a sliding way, and the left end of the filter screen is connected with a fixed ring in a sliding way. Thereby avoiding the phenomenon that the normal use of the valve body is influenced by solid particles and increasing the application range of the device.

Description

Liquid flow swing check valve

Technical Field

The utility model relates to a swing check valve technical field specifically is a liquid flow swing check valve.

Background

The rotary check valve is called as check valve or check valve, it can prevent medium in the pipeline from flowing backwards, the opening and closing member can be automatically opened or closed by medium flow and force to prevent medium from flowing backwards, the check valve belongs to the automatic valve class, it is mainly used in the pipeline in which the medium can flow in one direction, and can only allow medium to flow in one direction to prevent accident, said valve can be horizontally mounted in the pipeline, and can be used for various mediums of water, steam, oil product, nitric acid, acetic acid, strong oxidizing medium and urea, etc. mainly in the pipelines of petroleum, chemical industry, pharmacy, chemical fertilizer and electric power, and with the continuous development of society, the application of said rotary check valve is more and more, because the traditional partial rotary check valve is only suitable for cleaning medium and is not suitable for medium containing solid particles, therefore, the traditional partial liquid flow swing check valve cannot filter a small amount of solid particles in partial media well when in use, so that the normal use of the valve body can be influenced, and the application range of the valve body is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid flow swing check valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a liquid flow swing check valve, includes swing check valve, swing check valve right-hand member has left three-way pipe through the flange intercommunication, left three-way pipe right-hand member intercommunication has fixed case, fixed case right-hand member intercommunication has right three-way pipe, the inboard sliding connection of fixed case has the carriage, the inboard right-hand member sliding connection of carriage has the filter screen, filter screen left end sliding connection has solid fixed ring, and solid fixed ring and carriage sliding connection, gu fixed ring left end fixedly connected with spring, and the other end and the carriage fixed connection of spring, the inboard left end of spring is equipped with control switch, and control switch and carriage fixed connection, swing check valve front end fixedly connected with controller.

Preferably, the inner side of the left three-way pipe is fixedly connected with a one-way valve, the inner side of the right three-way pipe is fixedly connected with an electric control valve, and 2 filter screens are arranged.

Preferably, the top end of the sliding frame is spirally connected with a bolt, the bolt penetrates through the sliding frame, and the bolt is spirally connected with the fixed box.

Preferably, bolt outside bottom sliding connection has the sealing washer, and sealing washer and carriage sliding connection, sealing washer and fixed case fixed connection, the sealing washer is made by the panel of rubber material.

Preferably, a signal lamp is arranged at the top of the front end of the fixed box and fixedly connected with the fixed box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the filter screen, control switch and the fixed case that set up, this kind of sliding connection, spring to solid fixed ring's elasticity, the fixed connection of control switch and carriage and the intercommunication of fixed case and left three-way pipe and right three-way pipe of setting up cooperation filter screen and carriage and solid fixed ring, when using the device, can filter a small amount of solid particles in the partial medium to avoided the solid particle to influence the phenomenon of valve body normal use, increased the application scope of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the sectional structure of the fixing box of the present invention.

In the figure: 1-swing check valve, 2-right three-way pipe, 3-fixed box, 4-left three-way pipe, 5-sliding rack, 6-bolt, 7-sealing ring, 8-filtering net, 9-fixed ring, 10-spring, 11-control switch, 12-signal lamp, 13-controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a liquid flow swing check valve, including swing check valve 1, swing check valve 1 right-hand member has left three-way pipe 4 through the flange intercommunication, 4 right-hand members of left three-way pipe intercommunication have fixed

case

3, 3 right-hand members of fixed case intercommunication have right three-

way pipe

2, 3 inboard sliding connection of fixed case have

carriage

5, 5 inboard right-hand member sliding connection of carriage has filter screen 8, 8 left end sliding connection of filter screen has solid fixed ring 9, and solid

fixed ring

9 and 5 sliding connection of carriage, gu fixed ring 9 left end fixedly connected with spring 10, and spring 10's the other end and 5 fixed connection of carriage, the inboard left end of spring 10 is equipped with control switch 11, and

control switch

11 and 5 fixed connection of carriage, swing check valve 1 front end fixedly connected with controller 13.

The inner side of the left three-way pipe 4 is fixedly connected with a one-way valve, the inner side of the right three-way pipe 2 is fixedly connected with an electric control valve, and 2 filter screens 8 are arranged, the arrangement is convenient for cleaning the filter screens 8 to be cleaned under the condition of not influencing the use of the device, the top end of the sliding frame 5 is spirally connected with a bolt 6, and the bolt 6 penetrates through the sliding frame 5, the bolt 6 is spirally connected with the fixed box 3, the arrangement facilitates the taking out and cleaning of the filter screen 8, the bottom end of the outer side of the bolt 6 is slidably connected with a sealing ring 7, the sealing ring 7 is connected with the sliding frame 5 in a sliding way, the sealing ring 7 is fixedly connected with the fixed box 3, the sealing ring 7 is made of a rubber plate, this arrangement ensures the tightness between the carriage 5 and the fixed box 3, the top of the front end of the fixed box 3 being provided with a signal lamp 12, and signal lamp 12 and fixed case 3 fixed connection, this kind of setting is convenient for remind operating personnel to clear up appointed filter screen 8 that needs the clearance.

The working process is as follows: all electrical appliances in the device are external power supplies, when the device is used, the device is powered on, then the device is started, at the moment, the controller 13 can open the electric control valve at the top end inside the right three-way pipe 2, the fluid containing a small amount of solid particles outside flows into the fixed box 3 at the top end through the top end of the right three-way pipe 2, then the fluid is filtered by the filter screen 8 at the top end, then the fluid flows into the swing check valve 1 through the left three-way pipe 4, and finally flows out through the left side of the swing check valve 1, because the solid particles filtered by the filter screen 8 at the top end are continuously increased along with the continuous use of the filter screen 8 at the top end, the thrust force caused by the received liquid can be continuously increased, so that the spring 10 at the top end can be continuously extruded by the fixed ring 9 at the top end, when the control switch 11 at the top end is triggered, the signal lamp 12 at the top end is lighted in red, then the controller 13 can control the electric control valve at the bottom end of the right three-way pipe 2 to be opened, the top end is closed, so that the normal use of the device is ensured, then the filter screen 8 at the top end needs to be cleaned, when the filter screen is cleaned, the bolt 6 at the top end is rotated to ensure that the bolt is separated from the fixed box 3 at the top end in a spiral connection mode, after the bolt is completely separated, the sliding frame 5 at the top end is taken out, then the filter screen 8 at the top end is taken out and cleaned, because the inner side of the left three-way pipe 4 is fixedly provided with the one-way valve, and the inner side of the right three-way pipe 2 is fixedly provided with the electric control valve, the filter screen 8 at the top end can be cleaned without a pause device, after the filter screen 8 at the top end is cleaned, the signal lamp 12 at the top end is closed, because the sealing ring 7 made of rubber materials slides on the top end of the sliding frame 5 at the outer side, the sealing performance after the sliding frame 5 at the top end is reset is good, when the signal lamp 12 at the bottom end is also lighted, the controller 13 can repeat the above operations, and the filter mechanism at the top end is switched to continue to filter the fluid, with this circulation, the normal use of the device is ensured.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid flow swing check valve, includes swing check valve (1), its characterized in that: the right end of the swing check valve (1) is communicated with a left three-way pipe (4) through a flange, the right end of the left three-way pipe (4) is communicated with a fixed box (3), the right end of the fixed box (3) is communicated with a right three-way pipe (2), the inner side of the fixed box (3) is connected with a sliding frame (5) in a sliding way, the right end of the inner side of the sliding frame (5) is connected with a filter screen (8) in a sliding way, the left end of the filter screen (8) is connected with a fixed ring (9) in a sliding way, the fixed ring (9) is connected with the sliding frame (5) in a sliding way, the left end of the fixed ring (9) is fixedly connected with a spring (10), the other end of the spring (10) is fixedly connected with the sliding frame (5), the left end of the inner side of the spring (10) is provided with a control switch (11), and the control switch (11) is fixedly connected with the sliding frame (5), and the front end of the swing check valve (1) is fixedly connected with the controller (13).

2. A fluid flow swing check valve as defined in claim 1 wherein: the inner side of the left three-way pipe (4) is fixedly connected with a one-way valve, the inner side of the right three-way pipe (2) is fixedly connected with an electric control valve, and 2 filter screens (8) are arranged.

3. A fluid flow swing check valve as defined in claim 1 wherein: the top end of the sliding frame (5) is spirally connected with a bolt (6), the bolt (6) penetrates through the sliding frame (5), and the bolt (6) is spirally connected with the fixed box (3).

4. A fluid flow swing check valve as defined in claim 3 wherein: bolt (6) outside bottom sliding connection has sealing washer (7), and sealing washer (7) and carriage (5) sliding connection, sealing washer (7) and fixed case (3) fixed connection, sealing washer (7) are made by the panel of rubber material.

5. A fluid flow swing check valve as defined in claim 1 wherein: and a signal lamp (12) is arranged at the top of the front end of the fixed box (3), and the signal lamp (12) is fixedly connected with the fixed box (3).