CN219263356U

CN219263356U - High-pressure-difference-resistant noise-reduction cage type regulating valve

Info

Publication number: CN219263356U
Application number: CN202320132492.4U
Authority: CN
Inventors: 刘升升; 刘文真; 王骋
Original assignee: Jingou Control Valve Group Co ltd
Current assignee: Jingou Control Valve Group Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-27
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses a high-pressure-difference-resistant noise-reduction cage type regulating valve, which comprises an actuator, wherein a connecting frame is arranged below the actuator, and a stuffing box is arranged at the middle position of the bottom of the actuator; the valve body, the valve body sets up the below at the executor, the internally mounted of valve body has the disk seat, the top of disk seat is provided with the valve cage, the bottom of packing box is provided with the valve rod, the case is installed to the bottom of valve rod the bottom of link is provided with the connecting frame. According to the utility model, through the arranged valve cage, the spring and the clamping blocks, the clamping holes matched with the clamping blocks are formed in the outer side of the top end of the noise reduction cage, the inner size of the valve cage is matched with the noise reduction cage, the noise reduction cage is put into the valve cage to extrude the clamping blocks, the clamping blocks extrude the spring to shrink inwards the valve cage, and after the noise reduction cage completely enters the valve cage, the noise reduction cage is clamped into the clamping holes in the outer side of the noise reduction cage through the elastic clamping blocks of the spring, so that the noise reduction cage is limited in the valve cage, and the noise reduction cage is prevented from moving in the valve cage.

Description

High-pressure-difference-resistant noise-reduction cage type regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a high-pressure-difference-resistant noise-reduction cage type regulating valve.

Background

The cage type regulating valve is a pressure balance type regulating valve, the valve internal part adopts a sleeve-guided pilot valve core, the valve core is rapidly actuated mainly by utilizing the pressure of fluid, the operating force is small, in addition, the sealing type adopts single seat sealing, the flow characteristic curve has high precision, the dynamic stability of the regulating valve is good, the noise is low, cavitation is prevented, the regulating valve is suitable for controlling high pressure difference fluid with various temperatures, and a multi-spring film actuating mechanism or an electric actuating mechanism is matched, so that the structure is compact, and the output force is large.

The cage of making an uproar falls in cage formula governing valve's that falls valve body inside sets up the cage of making an uproar of falling, and the surface of cage of making an uproar evenly is provided with the through-hole and realizes noise reduction, valve body internally mounted valve cage, the cage of making an uproar falls the cage setting in the inside of valve cage, the inside size of valve cage and the cage looks adaptation of making an uproar falls, the cage of making an uproar falls inserts the setting in the valve cage inside, consequently, proposes a high pressure differential resistant cage formula governing valve of making an uproar of falling.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a high-pressure-difference-resistant noise-reduction cage type regulating valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the high pressure difference resistant noise reduction cage type regulating valve comprises an actuator, wherein a connecting frame is arranged below the actuator, and a stuffing box is arranged at the middle position of the bottom of the actuator;

the valve body, the valve body sets up the below at the executor, the internally mounted of valve body has the disk seat, the top of disk seat is provided with the valve cage.

Further, a valve rod is arranged at the bottom of the stuffing box, a valve core is arranged at the bottom of the valve rod, and a connecting frame is arranged at the bottom of the connecting frame.

Further, a first connecting flange is arranged at the bottom of the connecting frame, and fastening bolts are arranged on the first connecting flange.

Further, a second connecting flange is arranged at the top end of the valve body, and the first connecting flange is connected with the second connecting flange through a fastening bolt.

Further, the inside of valve cage is provided with the cage of making an uproar falls, the surface of valve cage evenly is provided with the opening, and the inside of valve cage is provided with the spring, the fixture block is installed to the one end of spring, the top outside of valve cage is provided with the draw-in hole with fixture block looks adaptation.

The beneficial effects of the utility model are as follows:

1. through the valve cage, spring and the fixture block that set up, the top outside of cage of making an uproar is provided with the draw-in hole with fixture block looks adaptation, the inside size of cage of making an uproar with make an uproar cage looks adaptation fall, fall the cage of making an uproar and put into the inside extrusion fixture block of valve cage, the fixture block extrusion spring is to the cage internal contraction, fall the cage of making an uproar and get into the cage completely in after, the card hole of the outside card of cage of making an uproar falls through the elasticity fixture block card of spring, will fall the cage of making an uproar and carry out spacingly in the valve cage, prevent to fall the cage of making an uproar and remove in the valve cage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high pressure difference resistant noise reduction cage type regulating valve according to the present utility model;

FIG. 2 is a schematic diagram showing the connection structure between the valve body and the actuator of the high pressure difference resistant noise reduction cage type regulating valve;

FIG. 3 is a schematic diagram of the internal structure of a valve body of the high pressure difference resistant noise reduction cage type regulating valve;

FIG. 4 is a schematic view of a cage and valve seat structure of a high pressure differential resistant noise reduction cage type regulating valve according to the present utility model;

FIG. 5 is a top view of the internal structure of a cage of a high pressure differential resistant noise reduction cage type regulating valve according to the present utility model.

In the figure: 1. an actuator; 2. a connecting frame; 3. a stuffing box; 4. a valve stem; 5. a connection frame; 6. a fastening bolt; 7. a valve body; 8. a valve core; 9. a valve seat; 10. a valve cage; 11. a noise reduction cage; 12. a spring; 13. and (5) clamping blocks.

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.

Referring to fig. 1, 2 and 3, the high pressure difference resistant noise reduction cage type regulating valve comprises an actuator 1, wherein a connecting frame 2 is arranged below the actuator 1, and a stuffing box 3 is arranged at the middle position of the bottom of the actuator 1;

the valve body 7 is arranged below the actuator 1, an internal water flow channel of the valve body 7 is S-shaped, a valve seat 9 is arranged in the valve body 7, the top end size of the valve seat 9 is matched with the inner wall size of the valve cage 10, and the valve cage 10 is arranged at the top end of the valve seat 9;

the bottom of packing box 3 is provided with valve rod 4, case 8 is installed to the bottom of valve rod 4 the bottom of link 2 is provided with connecting frame 5, first flange is installed to the bottom of connecting frame 5, is provided with fastening bolt 6 on this first flange, the top of valve body 7 is provided with the second flange, first flange is connected with the second flange through fastening bolt 6.

Referring to fig. 4 and 5, the inside of cage 10 is provided with the cage of making an uproar 11 that falls, and the surface of cage 11 of making an uproar evenly is provided with the aperture, reduces water flow pressure, realizes that water flow noise reduces, the surface of cage 10 evenly is provided with the opening, and the inside of cage 10 is provided with spring 12, and the inside of cage 10 is provided with five sets of mounting holes, and this mounting hole sets up between every opening, and spring 12 passes through mounting hole and cage 10 fixed connection, and the size and the mounting hole looks adaptation of fixture block 13, fixture block 13 is installed to the one end of spring 12, the top outside of cage 11 of making an uproar is provided with the card hole with fixture block 13 looks adaptation, and fixture block 13 card is downthehole in the card of cage 11 outside of making an uproar falls, will make an uproar cage 11 and carry out spacingly in the inside of cage 10.

Working principle: when the valve cage 10 is used, the noise reduction cage 11 is placed in the valve cage 10, the clamping blocks 13 are extruded when the noise reduction cage 11 is placed in the valve cage 10, the clamping blocks 13 are extruded to the springs 12, after the noise reduction cage 11 is completely placed in the valve cage 10, the clamping blocks 13 are ejected out of the mounting holes of the valve cage 10 by the elasticity of the springs 12, the clamping blocks 13 are clamped into the clamping holes of the noise reduction cage 11, the noise reduction cage 11 is mounted in the valve cage 10, and the first connecting flange at the bottom of the connecting frame 5 is connected with the second connecting flange at the top end of the valve body 7 and is fixed through the fastening bolts 6.

The foregoing 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 scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims

1. The high-pressure-difference-resistant noise-reduction cage type regulating valve is characterized by comprising an actuator (1), wherein a connecting frame (2) is arranged below the actuator (1), and a stuffing box (3) is arranged at the middle position of the bottom of the actuator (1);

valve body (7), valve body (7) set up the below at executor (1), internally mounted of valve body (7) has disk seat (9), the top of disk seat (9) is provided with cage (10), the inside of cage (10) is provided with cage of making an uproar (11) falls, the surface of cage (10) evenly is provided with the opening, and the inside of cage (10) is provided with spring (12), fixture block (13) are installed to the one end of spring (12), the top outside of cage (10) is provided with the draw-in hole with fixture block (13) looks adaptation.

2. The high-pressure-difference-resistant noise reduction cage type regulating valve according to claim 1, wherein a valve rod (4) is arranged at the bottom of the stuffing box (3), a valve core (8) is arranged at the bottom of the valve rod (4), and a connecting frame (5) is arranged at the bottom of the connecting frame (2).

3. The high-pressure-difference-resistant noise-reduction cage-type regulating valve according to claim 2, characterized in that a first connecting flange is mounted at the bottom of the connecting frame (5), and a fastening bolt (6) is arranged on the first connecting flange.

4. A high pressure difference resistant noise reduction cage type regulating valve according to claim 3, characterized in that the top end of the valve body (7) is provided with a second connecting flange, and the first connecting flange is connected with the second connecting flange through a fastening bolt (6).