CN214789219U

CN214789219U - Check valve

Info

Publication number: CN214789219U
Application number: CN202120943353.0U
Authority: CN
Inventors: 林红泽
Original assignee: Ninghai Hongchuang Metal Product Co ltd
Current assignee: Ninghai Hongchuang Metal Product Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-19
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a check valve, including disk seat, the ball seat, disk seat and ball seat threaded connection, and it is fixed to glue through the screw thread, the ball seat is provided with the import, the disk seat is provided with a plurality of exports, export radial distribution just runs through the disk seat in the terminal surface of disk seat, import and a plurality of export homogeneous phase intercommunication, be provided with mobilizable steel ball between disk seat and the ball seat, the ball seat all is provided with the sealing with the disk seat, the steel ball can be sealed with the sealing laminating of ball seat, also can be sealed with the sealing laminating of disk seat, the sealing is convex structure, the sealing is sealed with steel ball line contact. The utility model has the advantages of simple structure, convenient assembling, the medium flows in from an import, can follow a plurality of exports and flow, even wherein have one or several exports sheltered from, still can follow other exports and flow to guarantee that the pressure of exit end can not increase, the check valve can not closed, is favorable to pipe-line system's operation.

Description

Check valve

Technical Field

The utility model belongs to the technical field of the valve and specifically relates to a check valve is related to.

Background

The check valve is a valve in which an opening and closing member is a circular valve flap and acts by its own weight and medium pressure to block the backflow of a medium, and belongs to the class of automatic valves, which are also called check valves, check valves and isolating valves. The valve clack moving mode includes lifting mode and swing mode, medium flows in from the inlet end and flows out from the outlet end, when the inlet pressure is greater than the sum of the valve clack weight and its flow resistance, the valve is opened, otherwise, when the medium flows backwards, the valve is closed.

The check valve wide application is in the exit end of equipment, device, pipeline for prevent the refluence of medium, and most check valves on the market all are an entrance point at present, an exit end, and when the pressure in the pipeline was in the stationary state, the medium flowed also at normal condition, but the exit end has the risk that exists to be sheltered from by the foreign matter, can cause the decline of flow, arouses the pressure increase of exit end, thereby close the check valve, this must influence whole pipe-line system's operation.

Disclosure of Invention

The utility model aims to solve the technical problem that a check valve is provided, if solve the exit end when sheltered from by the foreign matter, can also be through other exit end circulations, guarantee that the flow can not receive any influence, but whole pipe-line system normal operating.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a check valve, includes disk seat, ball seat, disk seat and ball seat threaded connection, and it is fixed through the thread glue, the ball seat be provided with the import, the disk seat be provided with a plurality of exports, export radial distribution in the terminal surface of disk seat and run through the disk seat, import and a plurality of export homogeneous phase intercommunication, disk seat and ball seat between be provided with mobilizable steel ball, ball seat and disk seat all be provided with the sealing, the steel ball can be sealed with the sealing laminating of ball seat, also can be sealed with the sealing laminating of disk seat, the sealing be convex structure, sealing and steel ball line contact sealed.

As a further improvement of the present invention, the cross-section of the outlet is circular and uniformly distributed on the end surface of the valve seat. The cross section of the outlet is circular, which is beneficial to the flow of the medium.

As a further improvement, the disk seat be provided with the standing groove, the standing groove cover be equipped with the spring, spring one end and steel ball looks butt, the other end and standing groove bottom surface looks butt. The standing groove plays the guide effect, guarantees that the spring does not deviate from the center when moving, and spring and steel ball looks butt can guarantee to closely laminate between the sealing of steel ball and ball seat.

As a further improvement of the utility model, the cross section of the inlet is of a hexagonal structure. When the ball seat is assembled, an operator can assemble the ball seat by using an inner hexagonal wrench, and the operation is convenient.

As a further improvement of the utility model, the valve seat is provided with a spanner part which is hexagonal in shape. When the valve seat is assembled, an operator can assemble the valve seat through the wrench part, and the operation is convenient.

As a further improvement of the utility model, the ball seat is provided with connecting threads. The main function of the connecting thread is to facilitate the connection of the check valve and the pipeline.

As a further improvement of the utility model, the valve seat and the end of the ball seat are provided with a rubber ring for sealing connection. When the check valve is connected with the pipeline, the sealing ring can ensure that the joint of the pipeline can be effectively sealed.

The utility model has the advantages of simple structure and convenient assembly, the medium flows in from one inlet and can flow out from a plurality of outlets, and even if one or more outlets are blocked, the medium can flow out from other outlets, thereby ensuring that the pressure at the outlet end cannot be increased, and the check valve cannot be closed, which is beneficial to the operation of a pipeline system; when the steel ball is attached and sealed with the sealing part of the ball seat, the medium circulation at the inlet end can be blocked; when the steel ball is attached to the sealing part of the valve seat and sealed, the medium can be prevented from flowing into the placing groove, and the medium is guaranteed to flow out through the outlet.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a top view of the valve seat;

fig. 4 is an enlarged view of a portion a.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 4: the utility model provides a check valve, including disk seat 1, ball seat 4,

disk seat

1 and 4 threaded connection of ball seat, and it is fixed through the screw thread glue, ball seat 4 is provided with import 40, disk seat 1 is provided with a plurality of exports 10, export 10 radial distribution just runs through disk seat 1 in disk seat 1's terminal surface, import 40 and a plurality of export 10 homogeneous phase intercommunication, be provided with mobilizable steel ball 3 between disk seat 1 and the ball seat 4, ball seat 4 all is provided with sealing 11 with disk seat 1, steel ball 3 can be sealed with the 11 laminatings of sealing of ball seat 4, also can be sealed with the 11 laminatings of sealing of disk seat 1, sealing 11 is convex structure, sealing 11 is sealed with 3 line contact of steel ball.

The outlets 10 are circular in cross-section and are evenly distributed over the end surface of the valve seat 1.

The valve seat 1 is provided with a placing groove 12, the placing groove 12 is sleeved with a spring 2, one end of the spring 2 is abutted against the steel ball 3, and the other end of the spring is abutted against the bottom surface of the placing groove 12.

The cross-section of the inlet 40 is hexagonal in configuration.

The valve seat 1 is provided with a spanner portion 13 in the shape of a hexagon.

The ball seat 4 is provided with a connecting thread 41.

The ends of the valve seat 1 and the ball seat 4 are provided with rubber rings 5 for sealing connection.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a check valve, includes disk seat, ball seat, its characterized in that disk seat and ball seat threaded connection, and it is fixed through the screw thread glue, the ball seat be provided with the import, the disk seat be provided with a plurality of exports, export radial distribution in the terminal surface of disk seat and run through the disk seat, import and a plurality of export homogeneous phase intercommunication, disk seat and ball seat between be provided with mobilizable steel ball, ball seat and disk seat all be provided with the sealing, the steel ball can be sealed with the sealing laminating of ball seat, also can be sealed with the sealing laminating of disk seat, the sealing be convex structure, sealing and steel ball line contact sealed.

2. A check valve as claimed in claim 1 wherein said outlet is circular in cross-section and is evenly distributed over the end face of the valve seat.

3. The check valve according to claim 1, wherein the valve seat is provided with a placement groove, the placement groove is sleeved with a spring, one end of the spring abuts against the steel ball, and the other end of the spring abuts against the bottom surface of the placement groove.

4. A check valve as defined in claim 1 wherein said inlet is of hexagonal configuration in cross-section.

5. A check valve as claimed in claim 1 wherein said seat is provided with a spanner portion in the shape of a hexagon.

6. A check valve as defined in claim 1 wherein said ball seat is provided with connecting threads.

7. A check valve as claimed in claim 1 wherein the ends of the seat and seat are provided with rubber rings for sealing engagement.