Electric high-pressure-difference regulating valve

Abstract

The utility model discloses an electric high pressure difference regulating valve which comprises a valve body, a valve seat fixedly installed at the top end of the valve body, a height shell fixedly installed at the top end of the valve seat, a supporting assembly fixedly installed at the top end of the height shell, and an electric assembly installed at the top end of the supporting assembly. The output end of the stepping motor is fixedly connected with the top end of the screw rod, the bottom end of the screw rod is in threaded connection with a lifting block, the bottom end of the lifting block is fixedly provided with an assembling rod, and the bottom end of the assembling rod is fixedly provided with a valve element which is in sliding connection with the valve body. The stepping motor drives the valve element to adjust the position relative to the valve body, the pressure regulator and the measuring probe measure and adjust the pressure of the regulating valve in real time, the pressure difference is shared in a multi-stage throttling mode, cavitation, erosion and turbulent flow damage are reduced, and the service life of the regulating valve is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric differential pressure regulating valve technical field, concretely is a kind of electric high-pressure differential regulating valve. BACKGROUND

[0002] Electric differential pressure regulating valve can accurately control the opening and flow of valve by electric drive mode, with the advantages of high efficiency, reliability and stability, compared with traditional manual valve, electric differential pressure regulating valve can greatly reduce manual operation, improve production efficiency, in addition, electric differential pressure regulating valve has higher control precision and response speed, especially suitable for occasions needing fine control flow and pressure, electric differential pressure regulating valve only consumes electric energy when working, without carbon emission, with significant energy-saving effect, compared with traditional pneumatic regulating valve, electric regulating valve does not need complex pneumatic pipeline and air pump workstation, further reduce energy consumption, electric differential pressure regulating valve is installed quickly and conveniently, without complex pneumatic pipeline and air pump workstation, save installation time and cost, in addition, electric differential pressure regulating valve is simple in structure, easy to maintain and use.

[0003] However, the traditional electric differential pressure regulating valve has the following shortcomings:

[0004] The traditional electric differential pressure regulating valve has the following shortcomings: UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric high-pressure differential regulating valve to solve the problem of shortening the service life of electric differential pressure regulating valve in the severe working condition of serious cavitation erosion and erosion under high pressure or high-pressure differential environment.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of electric high pressure difference regulating valve, the top of the valve body is fixedly installed with valve seat, the top of the valve seat is fixedly installed with height shell, the top of the height shell is fixedly installed with support assembly, the top of the support assembly is installed with electric component, the electric component includes stepper motor and screw rod, the output end of the stepper motor is fixedly connected with the top of screw rod, the bottom of the screw rod is threadedly connected with lifting block, the bottom of the lifting block is fixedly installed with assembly rod, the bottom of the assembly rod is fixedly installed with valve core being slidably connected with valve body, the both ends of the valve body are fixedly installed with connection flange, one end of one of the connection flange is installed with mounting flange, the middle part of the mounting flange is installed with measuring pipeline, the middle part of the measuring pipeline is installed with measuring assembly, after the stepper motor is powered on, the stepper motor drives screw rod to rotate, the thread on the surface of screw rod and the thread on the inner wall of lifting block are matched with each other, lifting block is driven by assembly rod, and the relative position of valve core relative to valve body is indirectly adjusted, and lifting block is driven by connecting rod to slide relative to height shell during the process of lifting block lifting.

[0007] Preferably, one side of the lifting block is fixedly installed with a connecting rod, the side of the connecting rod away from the lifting block is fixedly installed with a height block, the height block is slidably connected with the height shell, and the bottom of the stepper motor is fixedly connected with the support assembly.

[0008] Preferably, the height shell is internally provided with a height platform, four corners of the bottom of the inner wall of the height shell are rotatably connected with height screws, the four height screws are threadedly connected with the height platform, and the middle part of the height platform is fixedly connected with the middle part of the assembly rod.

[0009] Preferably, the measuring assembly comprises a measuring probe and a pressure regulator, one side of the measuring probe is connected with a first connecting line, one end of the first connecting line away from the measuring probe is connected with one side of the pressure regulator, and the other side of the pressure regulator is connected with a second connecting line.

[0010] Preferably, one end of the second connecting line away from the pressure regulator is connected with the electric component, the bottom of the measuring probe is connected with the measuring pipeline, the measuring assembly is installed on the measuring pipeline through the measuring probe, and the measuring assembly is connected with the electric component through the second connecting line.

[0011] Preferably, the support assembly comprises a first support table and a spring shock absorber, the middle of the top end of the first support table is fixedly connected with the bottom end of the spring shock absorber, the top end of the spring shock absorber is fixedly installed with a second support table, the two sides of the top end of the first support table are provided with first movable grooves, the two sides of the bottom end of the second support table are provided with second movable grooves, and support springs are fixedly installed between the two first movable grooves and the two second movable grooves.

[0012] Preferably, the bottom end of the first support table is fixedly connected with the height shell, and the top end of the second support table is fixedly connected with the electric component, the support assembly is installed on the height shell through the first support table, and the support assembly is connected with the electric component through the second support table.

[0013] Compared with the prior art, the utility model has the advantages that through setting electric component and measurement assembly, position adjustment of valve core relative to valve body is driven by stepping motor, and pressure regulating instrument and measurement probe measure and adjust pressure of regulating valve in real time, the equipment adopts multistage throttling to share pressure difference, reduces cavitation, erosion and turbulence damage, and greatly improves service life of regulating valve. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the side view of the utility model;

[0015] Figure 2 It is the perspective view of electric component of the utility model;

[0016] Figure 3 It is the sectional view of support assembly of the utility model;

[0017] Figure 4 It is the side view of measurement assembly of the utility model.

[0018] In the drawing: 1, valve body;2, valve seat;3, connecting flange;4, height shell;5, support assembly;51, first support table;52, first movable groove;53, second support table;54, second movable groove;55, spring shock absorber;56, support spring;6, electric component;61, stepping motor;62, screw;63, lifting block;64, connecting rod;65, height block;66, assembling rod;67, valve core;7, measurement assembly;71, measurement probe;72, first connecting line;73, pressure regulating instrument;74, second connecting line;8, height screw;9, height table;10, measurement pipeline;11, mounting flange. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments.

[0020] Please refer to Figures 1-4 The utility model provides a kind of electric high pressure difference regulating valve, including valve body 1, the top of valve body 1 is fixedly installed with valve seat 2, the top of valve seat 2 is fixedly installed with height shell 4, the top of height shell 4 is fixedly installed with support assembly 5, the top of support assembly 5 is installed with electric component 6, electric component 6 includes stepper motor 61 and screw rod 62, the output end of stepper motor 61 is fixedly connected with the top of screw rod 62, the bottom of screw rod 62 is threadedly connected with lifting block 63, the bottom of lifting block 63 is fixedly installed with assembly rod 66, the bottom of assembly rod 66 is fixedly installed with valve core 67 slidingly connected with valve body 1, the both ends of valve body 1 are fixedly installed with connecting flange 3, one end of one connecting flange 3 is installed with mounting flange 11, the middle part of mounting flange 11 is installed with measuring pipeline 10, the middle part of measuring pipeline 10 is installed with measuring assembly 7, after power-on, stepper motor 61 starts, stepper motor 61 drives screw rod 62 to rotate, the thread on the surface of screw rod 62 is matched with the thread on the inner wall of lifting block 63, lifting block 63 is driven by assembly rod 66, and the relative position of valve core 67 relative to valve body 1 is indirectly adjusted, lifting block 63 is driven by connecting rod 64 to slide relative to height shell 4 during lifting.

[0021] The side of lifting block 63 is fixedly installed with connecting rod 64, the side, away from lifting block 63, of connecting rod 64 is fixedly installed with height block 65, height block 65 is slidingly connected with height shell 4, and the bottom of stepper motor 61 is fixedly connected with support assembly 5.

[0022] The inside of height shell 4 is equipped with height platform 9, four corners of the inner wall bottom of height shell 4 are all rotationally connected with height screw rod 8, four height screw rods 8 are all threadedly connected with height platform 9, the middle part of height platform 9 is fixedly connected with the middle part of assembly rod 66, height screw rod 8 is screwed by user, the thread on the surface of height screw rod 8 is matched with the thread on the inner wall of height platform 9, and the thread on the inner wall of height platform 9 is mutually translated relative to height screw rod 8, and the height of height platform 9 is adjusted reversely.

[0023] Measuring assembly 7 includes measuring probe 71 and pressure regulating instrument 73, one side of measuring probe 71 is connected with first connecting line 72, one end, away from measuring probe 71, of first connecting line 72 is connected with one side of pressure regulating instrument 73, and the other side of pressure regulating instrument 73 is connected with second connecting line 74.

[0024] The second connecting line 74 is connected with the electric component 6 at one end away from the pressure regulator 73, the bottom end of the measuring probe 71 is connected with the measuring pipeline 10, the measuring component 7 is installed on the measuring pipeline 10 through the measuring probe 71, the measuring component 7 is connected with the electric component 6 through the second connecting line 74, the measuring probe 71 measures the pressure in the measuring pipeline 10, the measured value is compared with the set value of the pressure regulator 73, and the driving parameter of the electric component 6 is adjusted according to the comparison result.

[0025] The support component 5 comprises the first support table 51 and the spring shock absorber 55, the middle part of the top end of the first support table 51 is fixedly connected with the bottom end of the spring shock absorber 55, the top end of the spring shock absorber 55 is fixedly installed with the second support table 53, the two sides of the top end of the first support table 51 are both provided with the first movable slot 52, the two sides of the bottom end of the second support table 53 are both provided with the second movable slot 54, and the support spring 56 is fixedly installed between the two first movable slots 52 and the two second movable slots 54.

[0026] The bottom end of the first support table 51 is fixedly connected with the height shell 4, and the top end of the second support table 53 is fixedly connected with the electric component 6.

[0027] In use, the stepping motor 61 is started after being powered on, the stepping motor 61 drives the screw rod 62 to rotate, the threads on the surface of the screw rod 62 are matched with the threads on the inner wall of the lifting block 63, the lifting block 63 is driven by the assembling rod 66 to indirectly adjust the relative position of the valve core 67 relative to the valve body 1, the lifting block 63 slides relative to the height shell 4 through the connecting rod 64 during the lifting process, the valve core 67 slides relative to the valve body 1 to adjust the shunt level of the regulating valve, the support spring 56 and the spring shock absorber 55 buffer the extrusion force generated by the electric component 6, the measuring probe 71 measures the pressure in the measuring pipeline 10, the measured value is compared with the set value of the pressure regulator 73, and the driving parameter of the electric component 6 is adjusted according to the comparison result.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electric high pressure differential regulating valve, comprising a valve body (1), characterized in that: A valve seat (2) is fixedly installed at the top of the valve body (1). A height shell (4) is fixedly installed at the top of the valve seat (2). A support assembly (5) is fixedly installed at the top of the height shell (4). An electric assembly (6) is installed at the top of the support assembly (5). The electric assembly (6) includes a stepper motor (61) and a screw (62). The output end of the stepper motor (61) is fixedly connected to the top of the screw (62). A lifting block (63) is threadedly connected to the bottom end of the screw (62). An assembly rod (66) is fixedly installed at the bottom end of the lifting block (63). A valve core (67) that is slidably connected to the valve body (1) is fixedly installed at the bottom end of the assembly rod (66). A connecting flange (3) is fixedly installed at both ends of the valve body (1). An installation flange (11) is installed at one end of one of the connecting flanges (3). A measuring pipe (10) is installed in the middle of the installation flange (11). A measuring assembly (7) is installed in the middle of the measuring pipe (10).

2. The electric high pressure differential regulating valve according to claim 1, characterized in that: A connecting rod (64) is fixedly installed on one side of the lifting block (63), and a height block (65) is fixedly installed on the side of the connecting rod (64) away from the lifting block (63). The height block (65) is slidably connected to the height shell (4), and the bottom end of the stepper motor (61) is fixedly connected to the support assembly (5).

3. The electric high pressure differential regulating valve according to claim 1, characterized in that: The height shell (4) is provided with a height platform (9) inside. The four corners of the bottom of the inner wall of the height shell (4) are rotatably connected with height screws (8). The four height screws (8) are threadedly connected to the height platform (9). The middle part of the height platform (9) is fixedly connected to the middle part of the assembly rod (66).

4. The electric high pressure differential regulating valve according to claim 1, characterized in that: The measuring component (7) includes a measuring probe (71) and a pressure regulator (73). A first connecting line (72) is connected to one side of the measuring probe (71). The end of the first connecting line (72) away from the measuring probe (71) is connected to one side of the pressure regulator (73). A second connecting line (74) is connected to the other side of the pressure regulator (73).

5. The electric high pressure differential regulating valve according to claim 4, characterized in that: The end of the second connecting line (74) away from the pressure regulator (73) is connected to the electric assembly (6), and the bottom end of the measuring probe (71) is connected to the measuring pipe (10).

6. The electric high pressure differential regulating valve according to claim 1, characterized in that: The support assembly (5) includes a first support platform (51) and a spring damper (55). The middle part of the top of the first support platform (51) is fixedly connected to the bottom of the spring damper (55). A second support platform (53) is fixedly installed on the top of the spring damper (55). A first movable groove (52) is opened on both sides of the top of the first support platform (51). A second movable groove (54) is opened on both sides of the bottom of the second support platform (53). A support spring (56) is fixedly installed between the two first movable grooves (52) and the two second movable grooves (54).

7. An electric high pressure differential regulating valve according to claim 6, characterized in that: The bottom end of the first support platform (51) is fixedly connected to the height shell (4), and the top end of the second support platform (53) is fixedly connected to the electric assembly (6).

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