CN218377832U

CN218377832U - Reducing check valve

Info

Publication number: CN218377832U
Application number: CN202222344227.0U
Authority: CN
Inventors: 段方超; 戴均
Original assignee: Tianjin Longrun Kaida Valve Industry Co ltd
Current assignee: Tianjin Longrun Kaida Valve Industry Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-24
Anticipated expiration: 2032-09-02

Abstract

The application provides a reducing check valve belongs to reducing check valve technical field. The reducing check valve comprises a base and a filtering component. The base includes the main valve body and shunt tubes, the shunt tubes intercommunication install in main valve body top, the internal portion of main valve is provided with the locating piece, the inside constant head tank that is provided with of locating piece, main valve body one side is provided with the slot, filtering component includes fixture block, inserted block and clamp plate, the clamp plate install in inserted block one side, the fixture block install in main valve body surface, operating personnel can insert inside the slot with clamp plate and inserted block through setting up the slot, the inserted block that sets up simultaneously can be installed the filter screen, and the filter screen can carry out the liquid medium for main valve internal portion and filter, uses the back in a period, and operating personnel can take out the filter screen from main valve internal portion through the clamp plate and the inserted block that set up to clean the filter screen, be convenient for keep check valve's result of use.

Description

Reducing check valve

Technical Field

The application relates to the technical field of reducing check valves, in particular to a reducing check valve.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. Belong to the automatic valve class, also known as check valve, the reflux valve or isolating valve, valve clack motion is divided into over-and-under type and swing formula, in the system pipe installation, when meetting pipeline reducing flow change, need use a reducing pipe fitting, a water knockout drum, for preventing the backward flow, a check valve needs to assemble, a reducing check valve has been disclosed in publication No. CN216407868U, through the clearance mechanism that sets up in this scheme, can make things convenient for people to clear up the spot in the valve more, prevent that the check valve is stopped up to the spot, the effectual practicality that improves the check valve, through the dismouting mechanism that sets up, make things convenient for later stage change and maintenance, the dismouting is simple, and the operation is convenient, after long-time the use, can be detained a large amount of impurity on the filtration, need clean filtration, but the filtration sets up inside the valve body in this scheme, the filtration can's unable taking out, make the maintainer be difficult to effectively clean the filtration, influence the result of use of check valve.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a variable diameter check valve that aims to ameliorate the problems presented above.

The embodiment of the application provides a reducing check valve, including base and filtering component.

The base includes the main valve body and shunt tubes, the shunt tubes intercommunication install in main valve body top, the internal portion of main valve is provided with the locating piece, the inside constant head tank that is provided with of locating piece, main valve body one side is provided with the slot, filtering component includes fixture block, inserted block and clamp plate, the clamp plate install in inserted block one side, the fixture block install in main valve body surface, the fixture block with the slot corresponds the setting, the inserted block slide run through in the fixture block surface, the inserted block with the sealed laminating of constant head tank, the clamp plate with the laminating of fixture block one side is fixed, the inserted block surface is provided with the filter screen.

In a specific embodiment, one end of the main valve body is communicated with and provided with a connecting pipe.

In the implementation process, one end of the main valve body is communicated with and provided with the connecting pipe, and the main valve body is conveniently arranged on an external pipeline through the arranged connecting pipe.

In a specific embodiment, the bottom of the main valve body is communicated with and provided with a cleaning mechanism.

In the implementation process, the bottom of the main valve body is communicated with the cleaning mechanism, and through the arranged cleaning mechanism, the cleaning and collection of stains generated after the filter screen is filtered are facilitated.

In a specific embodiment, the surface of the fixture block is provided with a through groove, and the insert block passes through the through groove.

In the implementation process, the surface of the fixture block is provided with a through groove, the insert block penetrates through the through groove, and the insert block can smoothly penetrate through the fixture block and be inserted into the positioning groove through the through groove.

In a specific embodiment, the surface of the insert block is provided with a mounting groove, and the mounting groove penetrates through the surface of the insert block.

In the implementation process, the surface of the insertion block is provided with a mounting groove, the mounting groove is communicated with the surface of the insertion block, and the filter screen is conveniently and fixedly mounted through the mounting groove.

In a specific embodiment, the filter screen is installed inside the installation groove in a sealing manner, and the filter screen and the installation groove are correspondingly arranged.

In the implementation process, the filter screen is in sealed installation inside the installation groove, the filter screen corresponds the setting with the installation groove, and through the filter screen that sets up, impurity filtering is conveniently carried out to liquid medium.

In a specific embodiment, a sealing gasket is arranged on one side of the pressure plate, and the sealing gasket is arranged corresponding to the pressure plate.

In the implementation process, one side of the pressing plate is provided with a sealing gasket, the sealing gasket is arranged corresponding to the pressing plate, and the sealing effect of the pressing plate and the clamping block attaching area is convenient to promote through the arranged sealing gasket.

In a specific embodiment, a locking bolt is arranged on one side of the pressure plate, and the locking bolt is in threaded connection with the surface of the fixture block.

In the implementation process, a locking bolt is arranged on one side of the pressing plate and in threaded connection with the surface of the fixture block, and the pressing plate is conveniently mounted on the surface of the fixture block through the arranged locking bolt.

This reducing check valve's beneficial effect: shunt tubes intercommunication install in main valve body top, the internal portion of main valve is provided with the locating piece, the inside constant head tank that is provided with of locating piece, main valve body one side is provided with the slot, filter assembly includes fixture block, inserted block and clamp plate, the clamp plate install in inserted block one side, the fixture block install in main valve body surface, the fixture block with the slot corresponds the setting, the inserted block slide run through in the fixture block surface, the inserted block with the sealed laminating of constant head tank, the clamp plate with fixture block one side laminating is fixed, the inserted block surface is provided with the filter screen, and during the use, operating personnel can insert inside the slot with clamp plate and inserted block through setting up the slot, and the inserted block that sets up simultaneously can install the filter screen, and the filter screen can carry out the liquid medium for main valve internal portion and filter, and after the use of a period, operating personnel can take out the filter screen from main valve body internal portion through the clamp plate and the inserted block that sets up to clean the filter screen, be convenient for keeping the result of use of check valve.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a variable diameter check valve provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a main valve body provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a portion of an insert block provided in an embodiment of the present application;

FIG. 4 is a schematic structural view of a sealing gasket portion provided in an embodiment of the present application;

FIG. 5 is a schematic structural view of a slot portion provided in an embodiment of the present application;

fig. 6 is a schematic structural diagram of a pressing plate portion provided in an embodiment of the present application.

In the figure: 100-a base; 110-main valve body; 111-positioning blocks; 1111-positioning grooves; 112-slot; 120-shunt tubes; 130-connecting the pipes; 140-a cleaning mechanism; 200-a filter assembly; 210-a cartridge; 211-through slots; 220-an insert block; 221-an installation groove; 222-a screen; 230-a pressure plate; 231-locking bolts; 232-sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1 to 6, the present application provides a variable diameter check valve including a base 100 and a filter assembly 200, which is a valve in which an opening and closing member is a circular flap and operates by its own weight and medium pressure to block a reverse flow of a medium. Belong to the automatic valve class, also known as check valve, the reflux valve or isolating valve, valve clack motion is divided into over-and-under type and swing formula, in the system pipe installation, when meetting pipeline reducing flow change, need use a reducing pipe fitting, a water knockout drum, for preventing the backward flow, a check valve needs to assemble, a reducing check valve has been disclosed in publication No. CN216407868U, through the clearance mechanism that sets up in this scheme, can make things convenient for people to clear up the spot in the valve more, prevent that the check valve is stopped up to the spot, the effectual practicality that improves the check valve, through the dismouting mechanism that sets up, make things convenient for later stage change and maintenance, the dismouting is simple, and the operation is convenient, after long-time the use, can be detained a large amount of impurity on the filtration, need clean filtration, but the filtration sets up inside the valve body in this scheme, the filtration can's unable taking out, make the maintainer be difficult to effectively clean the filtration, influence the result of use of check valve.

Referring to fig. 1 to 6, the base 100 includes a main valve body 110 and a shunt tube 120, the shunt tube 120 is installed on the top of the main valve body 110 in a communicating manner, a positioning block 111 is disposed inside the main valve body 110, a positioning groove 1111 is disposed inside the positioning block 111, a slot 112 is disposed on one side of the main valve body 110, an operator can insert a pressure plate 230 and an insert block 220 into the slot 112 by setting the slot 112, the insert block 220 can be installed on a filter screen 222, the filter screen 222 can filter a liquid medium inside the main valve body 110, after the use for a period of time, the operator can take out the filter screen 222 from the inside of the main valve body 110 by setting the pressure plate 230 and the insert block 220, thereby cleaning the filter screen 222 and maintaining the use effect of the check valve.

In some embodiments, a connecting pipe 130 is connected to one end of the main valve body 110, and the main valve body 110 can be conveniently mounted on an external pipeline through the connecting pipe 130.

In some specific embodiments, a cleaning mechanism 140 is installed at the bottom of the main valve body 110 in a communicating manner, and the cleaning mechanism 140 is provided to facilitate cleaning and collecting of stains generated after being filtered by the filter screen 222, wherein detailed technical details of the cleaning mechanism 140 refer to the disclosed technology of the cleaning structure disclosed in publication No. CN 216407868U.

Referring to fig. 1 to 6, the filter assembly 200 includes a latch 210, an insert 220, and a pressure plate 230, the pressure plate 230 is installed on one side of the insert 220, the latch 210 is installed on a surface of the main valve body 110, the latch 210 is disposed corresponding to the slot 112, the insert 220 slides through the surface of the latch 210, the insert 220 is sealingly attached to the positioning slot 1111, the pressure plate 230 is fixedly attached to one side of the latch 210, and a filter screen 222 is disposed on a surface of the insert 220.

In some specific embodiments, the surface of the latch 210 is provided with a through groove 211, the insert 220 passes through the through groove 211, and the insert 220 can pass through the latch 210 and be inserted into the positioning groove 1111 smoothly through the through groove 211.

In some specific embodiments, the surface of the insert block 220 is provided with a mounting groove 221, the mounting groove 221 penetrates through the surface of the insert block 220, and the filter screen 222 is conveniently mounted and fixed through the mounting groove 221.

In some specific embodiments, the filter screen 222 is hermetically installed inside the installation groove 221, and the filter screen 222 is disposed corresponding to the installation groove 221, so that the liquid medium is conveniently filtered of impurities through the disposed filter screen 222.

In some specific embodiments, a sealing gasket 232 is disposed on one side of the pressing plate 230, the sealing gasket 232 is disposed corresponding to the pressing plate 230, and the sealing effect of the joint area between the pressing plate 230 and the latch 210 is facilitated by the disposed sealing gasket 232.

In some embodiments, the locking bolt 231 is disposed on one side of the pressing plate 230, the locking bolt 231 is threadedly coupled to the surface of the latch 210, and the pressing plate 230 is conveniently mounted on the surface of the latch 210 through the locking bolt 231.

The working principle of the reducing check valve is as follows: during the use, operating personnel can be through setting up slot 112, inside inserting clamp plate 230 and inserted block 220 slot 112, the inserted block 220 that sets up simultaneously can install filter screen 222, filter screen 222 can be for main valve body 110 is inside to carry out the liquid medium and filter, after a period of use, operating personnel can be through the clamp plate 230 and the inserted block 220 that set up, take out filter screen 222 from main valve body 110 is inside, thereby clean filter screen 222, be convenient for keep check valve's result of use.

It should be noted that the specific model specifications of the main valve body 110, the cleaning mechanism 140, the clamping block 210, the insertion block 220, the filter screen 222 and the sealing pad 232 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A reducing check valve is characterized by comprising

The valve body comprises a base (100), the base (100) comprises a main valve body (110) and a shunt tube (120), the shunt tube (120) is communicated and mounted at the top of the main valve body (110), a positioning block (111) is arranged in the main valve body (110), a positioning groove (1111) is arranged in the positioning block (111), and a slot (112) is formed in one side of the main valve body (110);

the filtering component (200) comprises a clamping block (210), an inserting block (220) and a pressing plate (230), the pressing plate (230) is installed on one side of the inserting block (220), the clamping block (210) is installed on the surface of the main valve body (110), the clamping block (210) and the inserting groove (112) are correspondingly arranged, the inserting block (220) penetrates through the surface of the clamping block (210) in a sliding mode, the inserting block (220) is in sealing fit with the positioning groove (1111), the pressing plate (230) is in fit fixing with one side of the clamping block (210), and a filter screen (222) is arranged on the surface of the inserting block (220).

2. The variable diameter check valve according to claim 1, wherein a connecting pipe (130) is installed at one end of the main valve body (110) in a communication manner.

3. The variable diameter check valve according to claim 2, wherein a cleaning mechanism (140) is installed at the bottom of the main valve body (110) in a communication manner.

4. The variable diameter check valve according to claim 3, wherein a through groove (211) is formed on the surface of the clamping block (210), and the insertion block (220) penetrates through the through groove (211).

5. The variable diameter check valve according to claim 4, wherein the surface of the insert block (220) is provided with a mounting groove (221), and the mounting groove (221) penetrates through the surface of the insert block (220).

6. The variable diameter check valve according to claim 5, wherein the filter screen (222) is hermetically installed inside the installation groove (221), and the filter screen (222) is installed corresponding to the installation groove (221).

7. The variable diameter check valve according to claim 6, wherein a sealing gasket (232) is disposed on one side of the pressure plate (230), and the sealing gasket (232) is disposed corresponding to the pressure plate (230).

8. The variable diameter check valve according to claim 7, wherein a locking bolt (231) is provided at one side of the pressure plate (230), and the locking bolt (231) is threadedly coupled to the surface of the cartridge (210).