CN218913771U

CN218913771U - Electric regulating butterfly valve with flow distribution plate

Info

Publication number: CN218913771U
Application number: CN202223299813.4U
Authority: CN
Inventors: 杨迅
Original assignee: Shifang Jiekong Electromechanical Equipment Co ltd
Current assignee: Shifang Jiekong Electromechanical Equipment Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an electric regulating butterfly valve with a flow distribution plate, which relates to the technical field of butterfly valves and comprises a valve body and an electric actuator, wherein the output end of the electric actuator is connected with a valve rod penetrating into the valve body, the outer wall of the valve rod is positioned in the valve body and welded with a valve plate, one side of the outer wall of the valve plate is welded with the flow distribution plate, and one end of the outer wall of the flow distribution plate is provided with a plurality of flow distribution holes. According to the utility model, the valve rod is controlled to rotate by the angular travel electric actuating mechanism in the electric actuator through the flow distribution plate and the flow distribution holes, so that when the valve rod rotates to drive the valve plate to rotate, the valve plate drives the flow distribution plate to rotate, and in the process that the valve plate is opened from a closed state, the flow gradually increases through one side of the valve plate, which is far away from the flow distribution plate, and meanwhile, the number of the flow passing through the flow distribution holes gradually increases, so that the flow passing through the valve body is in good linear relation with the opening under the action of the flow distribution plate and the flow distribution holes.

Description

Electric regulating butterfly valve with flow distribution plate

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to an electric regulating butterfly valve with a flow distribution plate.

Background

The electric butterfly valve is the most common control valve of various water systems, and is widely applied to various water systems because of the advantages of simple structure, convenient installation, large through-flow capacity and the like, and various electric butterfly valves which are commonly used before have poor regulation characteristics and can only be applied to occasions with switch control.

When the traditional electric regulating butterfly valve is applied to heat exchange control of a water system, the flow coefficient is generally larger, the regulating output characteristic is poor, the electric regulating butterfly valve loses regulating and controlling capacity after a certain opening degree, the regulating characteristic of the flow and the opening degree is unequal in percentage curve, the valve opening degree and the control curve of actual heat output are seriously nonlinear, and when any analog electric regulating butterfly valve in a fluid pipe network system is in a fully opened state or is close to the fully opened state, hydraulic imbalance of the system can be caused.

Disclosure of Invention

The utility model aims at: in order to solve the problem of unequal percentage curves of flow and opening adjusting characteristics, the electric adjusting butterfly valve provided with the flow distribution plate is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric control butterfly valve of joining in marriage flow board is equipped with, includes valve body, electric actuator's output is connected with runs through to the inside valve rod of valve body, the outer wall of valve rod is located the inside welding of valve body has the valve plate, the welding of outer wall one side of valve plate has the joining in marriage flow board, the outer wall one end shaping of joining in marriage flow board has a plurality of joining in marriage the flow hole.

As still further aspects of the utility model: and an angular travel electric actuator is arranged in the electric actuator.

As still further aspects of the utility model: the flow distribution plate is in a quarter hollow sphere structure, and a plurality of flow distribution holes are uniformly distributed on the outer wall of the flow distribution plate.

As still further aspects of the utility model: the valve plate is integrally formed through a casting process, and a through groove matched with the outer wall of the valve rod is formed in the valve plate.

As still further aspects of the utility model: the electric actuator is fixedly arranged at the top end of the valve body through bolts.

As still further aspects of the utility model: valve seat flanges are welded at two ends of the valve body, the valve seat flanges are fixedly connected with an external pipeline flange through bolts, and sealing gaskets are arranged at the joints.

Compared with the prior art, the utility model has the beneficial effects that: through setting up joining in marriage flow board, joining in marriage the discharge orifice, realize by the inside angle stroke electric actuator control valve rod rotation of electric actuator, when making the valve rod rotate and driving the valve plate rotation, the valve plate drives joining in marriage the flow board and rotates, opens the in-process by the closed state at the valve plate, and flow is kept away from the one side of joining in marriage the flow board through the valve plate and is increased gradually, simultaneously, the quantity of flow through joining in marriage the discharge orifice increases gradually to the flow that makes through the valve body is fine line relation with the aperture under joining in marriage flow board and joining in marriage the effect of discharge orifice.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the connection of valve shafts, rafts and flow distribution plates according to the present utility model;

FIG. 3 is a schematic view of another angular connection of the valve shaft, raft and distributor according to the present utility model;

fig. 4 is a schematic diagram of connection between a raft and a flow distribution plate according to the present utility model.

In the figure: 1. a valve body; 2. a valve seat flange; 3. an electric actuator; 4. a valve stem; 5. a valve plate; 6. a flow distribution plate; 7. and an orifice.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the present utility model, an electric butterfly valve with a flow distribution plate includes a valve body 1 and an electric actuator 3, an output end of the electric actuator 3 is connected with a valve rod 4 penetrating into the valve body 1, a valve plate 5 is welded on an outer wall of the valve rod 4 in the valve body 1, a flow distribution plate 6 is welded on one side of an outer wall of the valve plate 5, a plurality of flow distribution holes 7 are formed on one end of an outer wall of the flow distribution plate 6, and an angular travel electric actuator is installed in the electric actuator 3.

In this embodiment: the valve rod 4 is controlled to rotate by the angular travel electric actuator inside the electric actuator 3, when the valve rod 4 rotates to drive the valve plate 5 to rotate, the valve plate 5 drives the flow distribution plate 6 to rotate, in the process that the valve plate 5 is opened by a closed state, the flow gradually increases from one side of the valve plate 5 far away from the flow distribution plate 6, and meanwhile, the flow gradually increases from the number of the flow distribution holes 7, so that the flow passing through the valve body 1 is in good linear relation with the opening under the action of the flow distribution plate 6 and the flow distribution holes 7.

Referring to fig. 2, 3 and 4, the flow distribution plate 6 is in a quarter hollow sphere structure, a plurality of flow distribution holes 7 are uniformly distributed on the outer wall of the flow distribution plate 6, the valve plate 5 is integrally formed by casting process, and a through groove matched with the outer wall of the valve rod 4 is formed in the valve plate 5.

In this embodiment: through the flow distribution plate 6 with the quarter hollow sphere structure, the flow rate of the valve plate 5, which passes through one side of the valve plate 5 far away from the flow distribution plate 6, is gradually increased in the process of rotating the valve plate 5 ninety degrees from the closed state, and meanwhile, the flow rate of the valve plate 5, which passes through the flow distribution plate 6, can only pass through the flow distribution plate 6 by the flow distribution holes 7, so that the opening degrees of the valve plate 5 are different, and the quantity of the flow passing through the flow distribution holes 7 is different.

Referring to fig. 1 and 2, a valve seat sealing ring is installed in the valve body 1, a shaft sleeve sealing ring and a filler are installed at the joint of the valve rod 4 and the valve body 1, an electric actuator 3 is fixedly installed at the top end of the valve body 1 through bolts, valve seat flanges 2 are welded at two ends of the valve body 1, the valve seat flanges 2 are fixedly connected with an external pipeline flange through bolts, and a sealing gasket is arranged at the joint.

In this embodiment: in the prior art, the valve plate 5 is in sealing connection with the valve body 1 through the valve seat sealing ring, the valve rod 4 is in sealing connection with the valve body 1 through the shaft sleeve sealing ring and the filler, the electric actuator 3 drives the valve rod 4 to rotate, and the valve rod 4 drives the valve plate 5 to rotate, so that electric flow regulation is realized.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electric control butterfly valve equipped with join in marriage flow board, includes valve body (1), electric actuator (3), the output of electric actuator (3) is connected with valve rod (4), the outer wall welding of valve rod (4) has valve plate (5), a serial communication port, the outer wall one side welding of valve plate (5) has join in marriage flow board (6), the outer wall one end shaping of joining in marriage flow board (6) has a plurality of joining in marriage flow hole (7), join in marriage flow board (6) are quarter hollow sphere structure.

2. An electrically operated butterfly valve equipped with a flow distribution plate according to claim 1, characterized in that the electric actuator (3) is internally fitted with an angular travel electric actuator.

3. An electrically operated butterfly valve equipped with a flow distribution plate according to claim 1, characterized in that the valve plate (5) presents inside a through slot matching the outer wall of the valve stem (4).

4. The electric regulating butterfly valve with the flow distribution plate according to claim 1, wherein a valve seat sealing ring is installed in the valve body (1), a shaft sleeve sealing ring and a filler are installed at the joint of the valve rod (4) and the valve body (1), and the electric actuator (3) is fixedly installed at the top end of the valve body (1).

5. An electrically operated butterfly valve with a flow distribution plate according to claim 1, characterized in that the valve body (1) is welded with valve seat flanges (2) at both ends.