CN219911952U

CN219911952U - Single-coil controlled valve capable of releasing pressure immediately

Info

Publication number: CN219911952U
Application number: CN202321210147.4U
Authority: CN
Inventors: 朱斌; 王本红; 严玉明; 余志强; 周立成; 谭勇
Original assignee: Shanghai Lingzhi Internet Of Things Co ltd; China Yangtze Power Co Ltd
Current assignee: Shanghai Lingzhi Internet Of Things Co ltd; China Yangtze Power Co Ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-27
Anticipated expiration: 2033-05-18

Abstract

The utility model provides a single-coil controlled instant pressure relief meter front valve, which comprises a valve body, wherein one side of the valve body is provided with a measuring cavity, the vertical direction of the measuring cavity is provided with a water inlet cavity, one side opposite to the opening of the water inlet cavity is provided with an electric control component, and the outer side of the electric control component is provided with a pullable operating handle.

Description

Single-coil controlled valve capable of releasing pressure immediately

Technical Field

The utility model relates to the field of a valve before a meter, in particular to a valve before a meter, which can be controlled by a single coil and can be used for immediately releasing pressure.

Background

Pressure measurement in a water supply is an important means of monitoring whether the water supply is operating properly, and pressure measuring elements are typically mounted directly or through hand valves on the water supply line. The pressure measuring element works for a long time, and the situation that the measured value is deviated or the measured value of the pressure is wrong after pressure is suppressed can exist, and manual intervention adjustment is needed, and in general, zero point adjustment is carried out under the pressure release state to solve the problem. The water supply pipeline works for a long time, the condition that the pressure measuring element is in a pressure relief state cannot be met, the pressure measuring element cannot be completely guaranteed to be in the pressure relief state by closing the hand valve, and therefore the front-meter valve capable of realizing instant pressure relief is urgently needed, and meanwhile, the two modes of the hand operating handle and the electromagnetic valve are adopted for pressure relief, so that the operation modes such as on-site pressure relief or remote pressure relief can be flexibly realized.

Disclosure of Invention

The utility model mainly aims to provide a single-coil controlled meter front valve capable of realizing instant pressure relief, which solves the problem that a pressure measuring element cannot completely relieve pressure.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a but valve before table of single coil control instant pressure release, includes the valve body, and valve body one side is equipped with the measurement chamber, and the measurement chamber vertical direction is equipped with the inlet chamber, and one side opposite with the inlet chamber opening is equipped with automatically controlled subassembly, and automatically controlled subassembly outside is equipped with the operating handle that can draw.

In a preferred scheme, the electric control assembly structure is as follows: the electric control assembly is internally provided with a coil, one side of the coil is coaxially provided with a movable permanent magnet, the center of the permanent magnet is fixedly provided with a connecting rod, and the connecting rod is fixedly connected with the permanent magnet.

In the preferred scheme, a working valve disc is fixedly arranged at the top end of the inside of the water inlet cavity of the connecting rod, one side of the working valve disc is connected with a return spring, and the other end of the return spring is connected with a guide disc;

a plurality of through holes are formed in the surface of the guide disc, and a pressure relief valve disc is fixedly arranged on one side of the guide disc.

In a preferred scheme, the diameter of the working valve disc is larger than the inner diameter of the water inlet cavity.

In the preferred scheme, the electrical control assembly is arranged vertically with the measuring cavity, an end cover is arranged between the electrical control assembly and the valve body, and a through drain hole is arranged on the circumferential surface of one side of the end cover.

In the preferred scheme, through fixing bolt fixed between automatically controlled subassembly and the valve body, the excircle one side of automatically controlled subassembly is equipped with the connector lug.

The utility model provides a single-coil controlled valve capable of immediately releasing pressure, which has the following beneficial effects:

1. the utility model provides a single-coil controlled instant pressure relief meter front valve which is provided with an electric control assembly, and can be externally connected with a remote control device, so that the pressure relief readjustment zero point of a pressure measurement element generating pressure holding is carried out, and the time of manually going to the site to carry out pressure relief zero-returning on the measurement element is saved;

2. the utility model provides a single-coil controlled instant pressure-releasing meter front valve, which is provided with an electric control assembly and can ensure that the pressure measuring element of the meter front valve is replaced in a pressure-releasing state under the condition that a water supply system does not stop running.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a cross-sectional view of a front valve of the present utility model;

fig. 2 is a cross-sectional view of the electronic control assembly of the front valve of the present utility model.

In the figure: a measurement cavity 1; a water inlet cavity 2; a pressure relief chamber 3; a working valve disc 4; an end cap 5; a drain hole 6; a coil 7; a permanent magnet 8; an operation handle 9; a fixing bolt 10; a pressure relief valve disc 11; a guide disc 12; a land 13; a via 14; a return spring 15; a connecting rod 16; a valve body 17; an electronic control assembly 18.

Detailed Description

Example 1

As shown in figures 1-2, the single-coil controlled instant pressure relief front valve comprises a valve body 17, wherein one side of the valve body 17 is provided with a measuring cavity 1, the vertical direction of the measuring cavity 1 is provided with a water inlet cavity 2, one side opposite to the opening of the water inlet cavity 2 is provided with an electric control component 18, and the outer side of the electric control component is provided with a pullable operating handle 9.

In a preferred embodiment, the electronic control assembly 18 is configured to: the coil 7 is arranged in the electric control assembly 18, one side of the coil 7 is coaxially provided with a movable permanent magnet 8, the center of the permanent magnet 8 is fixedly provided with a connecting rod 16, and the connecting rod 16 is fixedly connected with the permanent magnet 8.

In the preferred scheme, the top end of the connecting rod 16 in the water inlet cavity 2 is fixedly provided with a working valve disc 4, one side of the working valve disc 4 is connected with a return spring 15, and the other end of the return spring 15 is connected with a guide disc 12;

the disc surface of the guide disc 12 is provided with a plurality of through holes 14, and one side of the guide disc 12 is fixedly provided with a pressure relief valve disc 11.

In a preferred embodiment, the diameter of the working valve disc 4 is larger than the inner diameter of the water inlet chamber 2.

In the preferred scheme, the electric control assembly 18 is arranged vertically with the measuring cavity 1, an end cover 5 is arranged between the electric control assembly 18 and the valve body 17, and a through drain hole 6 is arranged on the circumferential surface of one side of the end cover 5.

In the preferred scheme, the electric control assembly 18 and the valve body 17 are fixed through the fixing bolt 10, and one side of the outer circle of the electric control assembly 18 is provided with the connector lug 13.

The working principle of the single-coil controlled valve in front of the meter capable of instantly releasing pressure is as follows:

s1, a front valve consists of a control object, an executing mechanism and an operating mechanism, wherein the control object comprises a measuring cavity 1, a water inlet cavity 2 and a pressure release cavity 3; the actuating mechanism comprises a working valve disc 4, a guide disc 12, a decompression valve disc 11, a connecting rod 16 and a return spring 15; the operating mechanism comprises an operating handle 9, a coil 7, a permanent magnet 8 and a connector lug 13.

S2, under the normal working condition, the water inlet cavity 2 is connected with a water supply pipeline, the working valve disc 4 is in an open state under the action of the reset spring 3, water enters the measuring cavity 1 from the water inlet cavity 2 through the working valve disc 4, and at the moment, the pressure measuring element connected to the measuring cavity 1 is in a working state.

S3, manually pressing the operating handle 9, pushing the working valve disc 4 to seal the waterway of the water inlet cavity 2 through the connecting rod 16, opening the pressure relief valve disc 11, ensuring the connecting rod 16 to move along the center line by the guide disc 12, and communicating the measuring cavity 1 with the pressure relief cavity 3 through the through hole 14 of the guide disc 12, wherein the pressure measuring element connected to the measuring cavity 1 is in a pressure relief state.

S4, loosening the operating handle 9, under the action of the return spring 3, pushing the working valve disc 4 to open by the guide disc 12 through the connecting rod 16, sealing the pressure relief valve disc 11, and communicating the measuring cavity 1 with the water inlet cavity 2, wherein the pressure measuring element connected to the measuring cavity 1 is in a working state.

S5, after the coil 7 is electrified through the wire connector 13, the permanent magnet 8 pushes the connecting rod 16, the connecting rod 16 pushes the working valve disc 6 to seal the waterway of the water inlet cavity 2, the pressure relief valve disc 11 is opened, the guide disc 12 ensures that the connecting rod 16 moves along the central line, the measuring cavity 1 is communicated with the pressure relief cavity 3 through the through hole 14 of the guide disc 12, and at the moment, the pressure measuring element connected to the measuring cavity 1 is in a pressure relief state.

S6, after the wire connector 13 is powered off and the coil 7 is powered off, under the action of the return spring 3, the guide disc 12 pushes the working valve disc 4 to open through the connecting rod 16, the pressure relief valve disc 11 is sealed, the measuring cavity 1 is communicated with the water inlet cavity 3, and at the moment, the pressure measuring element connected to the measuring cavity 1 is in a working state.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims

1. A single coil controlled valve in front of table that can release pressure immediately is characterized by: the device comprises a valve body (17), wherein a measuring cavity (1) is arranged on one side of the valve body (17), a water inlet cavity (2) is arranged in the vertical direction of the measuring cavity (1), an electric control assembly (18) is arranged on one side opposite to an opening of the water inlet cavity (2), and a drawable operating handle (9) is arranged on the outer side of the electric control assembly.

2. The single coil controlled pre-metering valve capable of immediate pressure relief as set forth in claim 1, wherein: the electric control assembly (18) is of a structure that: a coil (7) is arranged in the electric control assembly (18), a movable permanent magnet (8) is arranged on one side of the coil (7) in a coaxial way, a connecting rod (16) is fixedly arranged at the center of the permanent magnet (8), and the connecting rod (16) is fixedly connected with the permanent magnet (8).

3. The single coil controlled pre-metering valve capable of immediate pressure relief as set forth in claim 2, wherein: the top end of the connecting rod (16) in the water inlet cavity (2) is fixedly provided with a working valve disc (4), one side of the working valve disc (4) is connected with a return spring (15), and the other end of the return spring (15) is connected with a guide disc (12);

a plurality of through holes (14) are formed in the disc surface of the guide disc (12), and a pressure relief valve disc (11) is fixedly arranged on one side of the guide disc (12).

4. A single coil controlled, instant pressure relief, pre-metering valve as claimed in claim 3, wherein: the diameter of the working valve disc (4) is larger than the inner diameter of the water inlet cavity (2).

5. The single coil controlled pre-metering valve capable of immediate pressure relief as set forth in claim 1, wherein: the electric control assembly (18) is vertically arranged with the measuring cavity (1), an end cover (5) is arranged between the electric control assembly (18) and the valve body (17), and a through drain hole (6) is formed in the circumferential surface of one side of the end cover (5).

6. The single coil controlled pre-metering valve capable of immediate pressure relief as set forth in claim 1, wherein: the electric control assembly (18) is fixed with the valve body (17) through a fixing bolt (10), and a connector lug (13) is arranged on one side of the outer circle of the electric control assembly (18).