CN218955984U

CN218955984U - Joint of pressure gauge

Info

Publication number: CN218955984U
Application number: CN202320043766.2U
Authority: CN
Inventors: 程灿
Original assignee: Fuyang Wanxing Instrument Co ltd
Current assignee: Fuyang Wanxing Instrument Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-02
Anticipated expiration: 2033-01-05

Abstract

The utility model provides a joint of a pressure gauge, which comprises a first pipeline, wherein a pipeline port nut is arranged on the left side of the first pipeline, a sealing ring is arranged on the inner side of the pipeline port nut, a filter shell is connected on the right side of the first pipeline, a filter box is arranged on the surface of a second pipeline, and the top end of the second pipeline is provided with the pressure gauge port nut. This joint of manometer, through the setting of filter box, axis of rotation and manometer mouth nut, in the use, be connected the manometer with the manometer mouth nut is direct, open the valve, carry out the pressure test, filter box filters inside impurity, can prolong the life of manometer, the manometer mouth nut drives the axis of rotation and rotates together, can turn to staff one side with the manometer, the convenience is to the reading of pressure value for the data is more accurate, when the manometer needs to dismantle or replace, need close the valve, can effectively prevent that inside material from revealing.

Description

Joint of pressure gauge

Technical Field

The utility model relates to the technical field of pressure test installation, in particular to a connector of a pressure gauge.

Background

The pressure gauge joint is used for connecting equipment or a connecting body between a pipeline of a measured medium and the pressure gauge, the pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than the environment, the pressure gauge joint is applied to almost all industrial processes and scientific research fields, most of the existing pressure gauge joints are directly connected with the pressure gauge, no valve is arranged at an interface, the pressure gauge is not easy to replace when the pressure value is tested, once the pressure gauge is required to be assembled and disassembled, internal substances are easy to leak, a filtering device is also absent, impurities in the internal substances can flow into the pressure gauge, damage can be caused to the pressure gauge, and the direction of most of the pressure gauge cannot rotate, so that the accuracy of data reading can be influenced.

The joint of present manometer is mostly directly connected with the manometer, there is not the valve in the interface department, when testing the pressure value, be difficult for the change of manometer, in case the manometer needs loading and unloading, cause inside material to reveal easily, also lack filter equipment, impurity in the inside material can flow into the manometer, probably damage the manometer, the direction of most manometers can not rotate, can influence the degree of accuracy of data reading, consequently, the joint of a manometer is especially required, present working requirement changes, need provide the joint that can make things convenient for the staff to change, loading and unloading the manometer, close the terminal valve of interface when dismantling, can not cause the accident of revealing, simultaneously, be provided with filter equipment in the middle of the interface, filter inside impurity, extension manometer life, but the nut rotation angle of connecting the manometer, can turn to staff one side with the manometer, the reading of convenient to the pressure value, the data is more accurate.

Disclosure of Invention

The utility model aims to provide a connector for a pressure gauge, which is used for solving the problems that most of the existing connectors for the pressure gauge, which are proposed in the background art, are directly connected with the pressure gauge, no valve is arranged at the joint, the pressure gauge is not easy to replace when the pressure value is tested, once the pressure gauge needs to be assembled and disassembled, internal substances are easy to leak, a filtering device is also lacked, impurities in the internal substances can flow into the pressure gauge, damage to the pressure gauge is likely to occur, the direction of most of the pressure gauge cannot rotate, the accuracy of data reading can be influenced, and therefore, the connector for the pressure gauge is particularly required to be changed, the working requirements need to be changed, the connector for conveniently replacing, assembling and disassembling the pressure gauge is required to be provided, the valve at the tail end of the joint is closed, no leakage accident is caused, meanwhile, the filtering device is arranged in the middle of the joint, the internal impurities are filtered, the service life of the pressure gauge is prolonged, the rotatable angle of a nut connected with the pressure gauge is convenient to read the pressure gauge to the side of a worker, and the data is more accurate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a joint of manometer, includes first pipeline and connects manometer mouth subassembly, connects manometer mouth subassembly and includes ooff valve shell, connecting axle, ooff valve, axis of rotation and manometer mouth nut, the left side of first pipeline is provided with the pipeline mouth nut, the inboard of pipeline mouth nut is provided with the sealing washer, the right side of first pipeline is connected with filtering shell, filtering shell's inside is provided with the second pipeline, the surface of second pipeline is provided with the filter cartridge, the top surface of filter cartridge is connected with the handle, the top of second pipeline is provided with manometer mouth nut.

Preferably, the pipeline port nut is in welded connection with the first pipeline, the pipeline port nut is in clamping groove connection with the sealing ring, and the sealing ring is made of soft silica gel.

Preferably, the first pipeline is in threaded connection with the filter shell, and the inner diameter of the filter shell is identical with the outer diameter of the first pipeline in size.

Preferably, the second pipeline penetrates through the filter shell, and the filter box is connected with the second pipeline through a clamping groove.

Preferably, the pressure meter port assembly comprises a switch valve shell, a connecting shaft, a switch valve, a rotating shaft and a pressure meter port nut, wherein the top end of the second pipeline is connected with the switch valve shell, the surface of the switch valve shell is provided with the connecting shaft, the side surface of the connecting shaft is provided with the switch valve, the top end of the switch valve shell is provided with the rotating shaft, and the top end of the rotating shaft is provided with the pressure meter port nut.

Preferably, the second pipeline is in welded connection with the switch valve shell, and the switch valve shell form a rotary structure through a connecting shaft.

Preferably, the rotating shaft penetrates through the switch valve shell, and the pressure gauge port nut and the switch valve shell form a rotating structure through the rotating shaft.

Compared with the prior art, the utility model has the beneficial effects that: this joint of manometer, through the setting of filter box, axis of rotation and manometer mouth nut, in the use, be connected the manometer with the manometer mouth nut is direct, open the valve, carry out the pressure test, filter box filters inside impurity, can prolong the life of manometer, the manometer mouth nut drives the axis of rotation and rotates together, can turn to staff one side with the manometer, the convenience is to the reading of pressure value for the data is more accurate, when the manometer needs to dismantle or replace, need close the valve, can effectively prevent that inside material from revealing.

Drawings

FIG. 1 is a schematic side view of the exterior structure of a joint of the pressure gauge of the present utility model;

FIG. 2 is a schematic view of the structure of the pressure meter port assembly according to the present utility model;

FIG. 3 is a schematic view of a filter cartridge according to the present utility model;

FIG. 4 is a schematic view of the structure of the pipe orifice nut of the present utility model;

in the figure: 1. a first pipe; 2. a pipe port nut; 3. a seal ring; 4. a filter housing; 5. a second pipe; 6. a filter box; 7. a handle; 8. a pressure gauge port assembly; 801. a switch valve housing; 802. a connecting shaft; 803. a switch valve; 804. a rotating shaft; 805. a pressure gauge port nut.

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. 1-4, the present utility model provides a technical solution: the utility model provides a joint of manometer, include first pipeline 1 and connect manometer mouth subassembly 8, connect manometer mouth subassembly 8 to include ooff valve shell 801, connecting axle 802, ooff valve 803, axis of rotation 804 and manometer mouth nut 805, the left side of first pipeline 1 is provided with pipeline mouth nut 2, the inboard of pipeline mouth nut 2 is provided with sealing washer 3, the right side of first pipeline 1 is connected with filter shell 4, filter shell 4's inside is provided with second pipeline 5, second pipeline 5's surface is provided with filter cartridge 6, filter cartridge 6's top surface is connected with handle 7, second pipeline 5's top is provided with connects manometer mouth subassembly 8.

Further, be welded connection between pipeline mouth nut 2 and the first pipeline 1, be the draw-in groove between pipeline mouth nut 2 and the sealing washer 3 and be connected, sealing washer 3 is soft silica gel material, through the setting of sealing washer 3, in the use, sealing washer 3 makes pipeline mouth nut 2 and pipeline department be connected closely, prevents to appear leaking etc. situation, influences inspection efficiency.

Further, the first pipeline 1 is in threaded connection with the filter shell 4, the inner diameter of the filter shell 4 is identical with the outer diameter of the first pipeline 1, and the filter shell 4 is used for connecting the first pipeline 1 with the second pipeline 5 in the use process through the arrangement of the filter shell 4, so that the air pressure inside the pipeline of the connecting port flows smoothly.

Further, the second pipeline 5 runs through in the filter shell 4, is the draw-in groove to be connected between filter cassette 6 and the second pipeline 5, through the setting of filter cassette 6, in the use, the inside impurity of filter cassette 6 filtration can prolong the life of manometer.

Further, connect manometer mouth subassembly 8 includes ooff valve shell 801, connecting axle 802, ooff valve 803, axis of rotation 804 and manometer mouth nut 805, the top of second pipeline 5 is connected with ooff valve shell 801, the surface of ooff valve shell 801 is provided with connecting axle 802, the side of connecting axle 802 is provided with ooff valve 803, the top of ooff valve shell 801 is provided with axis of rotation 804, the top of axis of rotation 804 is provided with manometer mouth nut 805, through the setting of manometer mouth nut 805, in the use, be connected manometer mouth nut 805 directly with the manometer, alright test inside atmospheric pressure.

Further, be welded connection between second pipeline 5 and the ooff valve shell 801, ooff valve 803 constitutes revolution mechanic through connecting axle 802 and ooff valve shell 801, through the setting of ooff valve 803, in the use, when the manometer is connected, opens the valve, tests, when the manometer need dismantle or the replacement, closes the valve earlier, prevents effectively that the inside material from revealing.

Further, the rotation shaft 804 penetrates through the switch valve housing 801, the pressure gauge port nut 805 and the switch valve housing 801 form a rotation structure through the rotation shaft 804, and the rotation shaft 804 is driven by the pressure gauge port nut 805 to rotate together in the use process, so that the pressure gauge can be turned to one side of a worker, the pressure value can be conveniently read, and the data are more accurate.

Working principle: the pipeline mouth nut 2 is connected with the pipeline, the sealing ring 3 enables the pipeline mouth nut 2 to be tightly connected with the pipeline, leakage and other conditions are prevented, the inspection efficiency is affected, the filter shell 4 connects the first pipeline 1 with the second pipeline 5, the air pressure inside the pipeline of the connecting port flows smoothly, then the pressure gauge mouth nut 805 is directly connected with the pressure gauge, a valve is opened for pressure testing, the filter box 6 filters internal impurities, the service life of the pressure gauge can be prolonged, the pressure gauge mouth nut 805 drives the rotating shaft 804 to rotate together, the pressure gauge can be turned to one side of a worker, the pressure value is conveniently read, the data is more accurate, when the pressure gauge needs to be detached or replaced, the valve needs to be closed, the leakage of internal substances can be effectively prevented, and the use process of the joint of the pressure gauge is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a joint of manometer, includes first pipeline (1) and connects manometer mouth subassembly (8), connects manometer mouth subassembly (8) including ooff valve shell (801), connecting axle (802), ooff valve (803), axis of rotation (804) and manometer mouth nut (805), its characterized in that: the left side of first pipeline (1) is provided with pipeline mouth nut (2), the inboard of pipeline mouth nut (2) is provided with sealing washer (3), the right side of first pipeline (1) is connected with filter shell (4), the inside of filter shell (4) is provided with second pipeline (5), the surface of second pipeline (5) is provided with filter cartridge (6), the top surface of filter cartridge (6) is connected with handle (7), the top of second pipeline (5) is provided with connects manometer mouth subassembly (8).

2. The joint of the pressure gauge according to claim 1, wherein the pipe port nut (2) is welded with the first pipe (1), the pipe port nut (2) is connected with the sealing ring (3) through a clamping groove, and the sealing ring (3) is made of soft silica gel.

3. A joint of a pressure gauge according to claim 1, characterized in that the first pipe (1) is in threaded connection with the filter housing (4), and the inner diameter of the filter housing (4) is in fit with the outer diameter of the first pipe (1).

4. The joint of the pressure gauge according to claim 1, wherein the second pipe (5) penetrates through the filter housing (4), and the filter box (6) is connected with the second pipe (5) through a clamping groove.

5. The joint of a pressure gauge according to claim 1, wherein the pressure gauge port assembly (8) comprises a switch valve housing (801), a connecting shaft (802), a switch valve (803), a rotating shaft (804) and a pressure gauge port nut (805), the top end of the second pipe (5) is connected with the switch valve housing (801), the surface of the switch valve housing (801) is provided with the connecting shaft (802), the side surface of the connecting shaft (802) is provided with the switch valve (803), the top end of the switch valve housing (801) is provided with the rotating shaft (804), and the top end of the rotating shaft (804) is provided with the pressure gauge port nut (805).

6. The joint of a pressure gauge according to claim 1, characterized in that the second pipe (5) is welded to the switch valve housing (801), and the switch valve (803) and the switch valve housing (801) form a rotating structure through a connecting shaft (802).

7. The joint of a pressure gauge according to claim 1, wherein the rotation shaft (804) penetrates through the switch valve housing (801), and the pressure gauge port nut (805) and the switch valve housing (801) form a rotation structure through the rotation shaft (804).