CN211501767U

CN211501767U - Pressure measuring pressure reducing valve

Info

Publication number: CN211501767U
Application number: CN202020060598.4U
Authority: CN
Inventors: 洪江
Original assignee: Hangzhou Huihao Automation Equipment Co ltd
Current assignee: Ningbo Huihao automation equipment Co.,Ltd.
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-15
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a pressure measuring and reducing valve, which comprises a valve body and a valve cavity formed inside the valve body, wherein the periphery of the valve body is respectively provided with an instrument interface, a pressure relief port, a pipeline interface, a valve switch and a pressure supply port which are communicated with each other; wherein set up the manometer on the instrument interface, be provided with the connecting pipe on the pipeline interface, be provided with external pipeline under pressure on the pressure supply mouth, external pipeline under pressure and connecting pipe all with valve body UNICOM mainly solve prior art and still need turn off whole production line, dismantle out the manometer and carry out the pressure measurement, maintain and the pressure release, lead to the unable periodic dismouting of manometer and the technical problem of examination on pressure vessel and the pipeline under pressure, provide the pressure measurement relief pressure valve, the purpose that has periodic examination manometer, can effectually decompress and the pressure measurement on line to the manometer, and has simple structure, high durability and convenient installation, characteristics that the suitability is strong.

Description

Pressure measuring pressure reducing valve

Technical Field

The utility model relates to the technical field of valves, more specifically relates to pressure measurement relief pressure valve.

Background

Industrial pressure sensing is an important application area for process control in industrial production. According to the requirements of national measurement laws and regulations, pressure gauges on a pressure container and a pressure pipeline belong to a compulsory verification type pressure gauge, the verification period is 6 months, but as some enterprises have the characteristic of continuous production, large-scale equipment such as a generator set on a production line does not have the condition of half-year shutdown maintenance, the pressure container and the pressure pipeline which the equipment belongs to cannot be shut down for pressure relief and pressure measurement according to the half-year period.

The pressure control plays decisive safety role in the production process, and the prior art still needs to shut down the whole production line, and dismantles out the manometer and carries out pressure measurement, maintenance and pressure release, leads to the unable periodic dismouting of manometer on pressure vessel and the pressure conduit and examines and determine the technical problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the utility model discloses mainly solve prior art and still need turn off whole production line, dismantle out the manometer and carry out the pressure measurement, maintain and the pressure release, lead to the technical problem of the unable periodic dismouting of manometer on pressure vessel and the pipeline under pressure and examination, provide the pressure measurement relief pressure valve, have the purpose of periodic examination manometer, can effectually decompress and the pressure measurement on line to the manometer, have simple structure, simple to operate, characteristics that the suitability is strong moreover.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the pressure measuring and reducing valve comprises a valve body and a valve cavity formed in the valve body, and the circumference of the valve body is respectively provided with an instrument interface, a pressure relief port, a pipeline interface, a valve switch and a pressure supply port; wherein set up the manometer on the instrument interface, be provided with the pressure pipe on the pipeline interface, be provided with external pipeline under pressure on the pressure supply mouth, external pipeline under pressure and pressure pipe all with valve body UNICOM.

Optionally, the pressure guiding pipe, the pipeline interface, the valve cavity and the pressure relief opening are communicated in the valve body to form a pressure relief pipeline, and when the valve switch is closed and the pressure relief opening is opened, pressure in the pressure guiding pipe is discharged through the pressure relief opening.

Optionally, the external pressure pipeline, the pressure supply port, the valve cavity and the valve switch are communicated in the valve body to form a pressure measuring pipeline, when the pipeline interface is closed and the valve switch is opened, the external pressure pipeline provides pressure for the interior of the valve body, and the pressure gauge detects the pressure value in the pipeline.

Optionally, a first inlet and a first outlet are arranged on the pressure relief pipeline, the first inlet is communicated with the first outlet through the valve cavity, the pipeline interface is arranged at the first inlet, and the pressure relief opening is arranged at the first outlet.

Optionally, the pressure measurement pipeline is provided with a second inlet and a second outlet, the second inlet is communicated with the second outlet through a valve cavity, the pressure supply port is arranged at the second inlet, and the valve switch is arranged at the second outlet.

Optionally, wherein the cross-section of the valve body is a rectangular structure.

Optionally, the meter interface is disposed opposite the pressure relief port and the line interface is disposed opposite the valve switch.

Optionally, the meter interface, the pressure relief port, the pipeline interface and the pressure supply port are all provided with a sealing ring.

Compared with the prior art, the utility model has the following characteristics and beneficial effect:

1. the pressure gauge does not need to be detached during the verification period, the pressure can be released and measured on line, and time and labor are saved.

2. The pressure guide pipe, the pipeline interface, the valve cavity, the pressure relief mouth UNICOM form the pressure relief pipeline, and when the valve switch closed the pressure relief mouth simultaneously and opened, the pressure in the pressure guide pipe, in the manometer was discharged through pressure relief mouth is whole, let out pressure totally through once pressure relief, avoided the secondary pressure release existence because of staff misoperation, the manometer internal pressure did not let out the danger and the loss that cause.

3. This scheme simple structure, production is easy, and the installation is also very convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of one embodiment of a pressure reducing valve;

FIG. 2 is a schematic diagram of an online pressure measurement of one embodiment of a pressure reducing valve;

FIG. 3 is a schematic of an online pressure relief for one embodiment of a pressure relief valve;

the reference numbers in the figures illustrate:

the pressure relief valve comprises a valve body 1, an instrument interface 11, a pressure relief port 12, a pipeline interface 13, a valve switch 14, a pressure supply port 15, a first inlet 16, a first outlet 17, a second inlet 18, a second outlet 19, a pressure guide pipe 2, an external pressure pipeline 3 and a sealing ring 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Exemplary embodiments according to the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, for solving the above-mentioned problem, the embodiment of the utility model provides a pressure measurement relief pressure valve relates to valve technical field, through setting up pressure release mouth 12, can be online detect the manometer pressure release earlier on the production line again, and the manometer is installed and need not demolish when examining on the pipeline, and both labour saving and time saving also satisfy the demand that can't the cycle shut down and detect the manometer on the production line. Pressure is discharged completely through one-time pressure relief, and danger and loss caused by the fact that pressure in the pressure gauge is not discharged due to misoperation of workers and the existence of secondary pressure relief are avoided.

Specifically, the pressure measuring and reducing valve comprises a valve body 1 and a valve cavity formed inside the valve body 1, wherein an instrument interface 11, a pressure relief port 12, a pipeline interface 13, a valve switch 14 and a pressure supply port 15 are respectively arranged on the peripheral side of the valve body 1; wherein, the instrument interface 11 is provided with a pressure gauge for detecting the pressure value in the pipeline, the pipeline interface 13 is provided with a pressure guide pipe 2, the pressure in the pressure guide pipe 2 is discharged through a pressure relief port 12, and the pressure supply port 15 is provided with an external pressure pipeline 3.

Wherein, the pressure pipe 2, pipeline interface 13, the valve pocket, pressure release mouth 12 UNICOM forms the pressure release pipeline, be equipped with first import 16 and first export 17 on the pressure release pipeline, first import 16 passes through the valve pocket UNICOM with first export 17, pipeline interface 13 locates first import 16 department, pressure release mouth 12 locates first export 17 department, when valve switch 14 closes simultaneously pressure release mouth 12 and opens, the pressure in the pressure pipe 2 is discharged through pressure release mouth 12, as shown in fig. 1, in this embodiment, still be equipped with wheel handle and open and close interfaces such as instrument interface 11, pressure release mouth 12, pipeline interface 13, valve switch 14 and pressure supply mouth 15.

The external pressure pipeline 3, the pressure supply port 15, the valve cavity and the valve switch 14 are communicated to form a pressure measuring pipeline, a second inlet 18 and a second outlet 19 are arranged on the pressure measuring pipeline, the second inlet 18 and the second outlet 19 are communicated through the valve cavity, the pressure supply port 15 is arranged at the second inlet 18, and the valve switch 14 is arranged at the second outlet 19. When the pipeline interface 13 is closed and the valve switch 14 is opened, the external pressure pipeline 3 provides pressure for the interior of the valve body 1, and the pressure gauge detects the pressure value in the pipeline.

In this embodiment, the cross section of the valve body 1 is a rectangular structure, the meter interface 11 is arranged opposite to the pressure relief port, and the pipeline interface 13 is arranged opposite to the valve switch 14. Specifically, the meter interface 11 is located on the outer wall of the valve body 1 and is disposed on a first side of the valve body 1, the pressure relief port 12 is disposed on a second side opposite to the first side of the valve body 1, the pipeline interface 13 is disposed on a third side of the valve cavity, and the valve switch 14 is disposed on a fourth side opposite to the third side of the valve body 1. In the embodiment, the first side is the top of the valve body 1, the second side is the bottom of the valve body 1, and the installation direction of the pressure gauge can be adjusted by adjusting the position of the instrument interface 11 in actual production.

In addition, all set up sealing washer 4 on instrument interface 11, pressure release mouth 12, pipeline interface 13 and the pressure supply mouth 15, done sealed processing to the kneck, can play water-proof effects to the pipeline inside.

As shown in fig. 1, the pressure pipe 2 and the external pressure pipeline 3 further include a hose and a nut end, and the pipeline interface 13 and the pressure supply port 15 are further provided with locking screws; the nut end of the pressure pipe 2 is connected with the locking screw of the pipeline interface 13, and the pressure pipe 2 can be installed on the pressure supply port 15 by screwing with a wrench, and the installation mode of the external pressure pipeline 3 is the same.

The utility model discloses a theory of operation and use flow: install pressure measurement relief pressure valve on the pipeline, the manometer is installed in instrument interface 11 on valve body 1, during the pressure release, closes valve switch 14 and opens pressure release mouth 12, installs pressure pipe 2 on pressure supply mouth 15, and pressure pipe 2, pipeline interface 13, valve pocket, pressure release mouth 12 UNICOM form the pressure release pipeline this moment, and the pressure in pressure pipe 2 and the manometer is discharged through pressure release mouth 12. After the pressure in the pressure gauge is completely released, the pipeline interface 13 is closed, so that the gas in the pipeline does not enter the pressure gauge, the valve switch 14 is opened simultaneously, the external pressure pipeline 3 is installed on the pressure supply port 15, the external pressure pipeline 3, the pressure supply port 15, the valve cavity and the valve switch 14 are communicated to form a pressure measuring pipeline, the external pressure pipeline 3 provides pressure in the valve body 1, and the pressure gauge verification rule is normally verified. After the verification is finished, the external pressure pipeline 3 is detached and the pressure supply port 15 is closed, and meanwhile, a pipeline valve on the production line equipment is opened, so that the pressure gauge can normally monitor the pressure.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be noted that:

while the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the inventive concept are included in the protection scope of the invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The pressure measuring and reducing valve is characterized by comprising a valve body (1) and a valve cavity formed in the valve body, wherein an instrument interface (11), a pressure relief port (12), a pipeline interface (13), a valve switch (14) and a pressure supply port (15) are respectively arranged on the peripheral side of the valve body (1); wherein, a pressure gauge is arranged on the instrument interface (11), a pressure pipe (2) is arranged on the pipeline interface (13), an external pressure pipeline (3) is arranged on the pressure supply port (15), and the external pressure pipeline (3) and the pressure pipe (2) are communicated with the valve body (1).

2. The pressure measuring and reducing valve according to claim 1, wherein the pressure guide pipe (2), the pipeline interface (13), the valve cavity and the pressure relief port (12) are communicated with each other inside the valve body (1) to form a pressure relief pipeline, and when the valve switch (14) is closed and the pressure relief port (12) is opened, the pressure in the pressure guide pipe (2) is discharged through the pressure relief port (12).

3. The pressure measuring and reducing valve according to claim 1, wherein the external pressure pipeline (3), the pressure supply port (15), the valve cavity and the valve switch (14) are communicated in the valve body (1) to form a pressure measuring pipeline, when the pipeline interface (13) is closed and the valve switch (14) is opened, the external pressure pipeline (3) provides pressure in the valve body (1), and the pressure gauge detects the pressure value in the pipeline.

4. The pressure measuring and reducing valve according to claim 2, wherein the pressure relief pipeline is provided with a first inlet (16) and a first outlet (17), the first inlet (16) and the first outlet (17) are communicated through the valve cavity, the pipeline interface (13) is arranged at the first inlet (16), and the pressure relief port (12) is arranged at the first outlet (17).

5. A pressure reducing valve according to claim 3, wherein the pressure measuring line is provided with a second inlet (18) and a second outlet (19), the second inlet (18) and the second outlet (19) are communicated through the valve chamber, the pressure supply port (15) is provided at the second inlet (18), and the valve switch (14) is provided at the second outlet (19).

6. A pressure tap and pressure relief valve according to claim 1 wherein the valve body (1) is of rectangular configuration in cross-section.

7. A pressure reducing valve according to claim 6, wherein the gauge connection (11) is arranged opposite the pressure relief opening and the line connection (13) is arranged opposite the valve switch (14).

8. A pressure reducing valve according to claim 1, wherein the gauge port (11), the pressure relief port (12), the line port (13) and the pressure supply port (15) are provided with sealing rings (4).