CN211262596U

CN211262596U - Pressure gauge air tightness testing device

Info

Publication number: CN211262596U
Application number: CN202020119088.XU
Authority: CN
Inventors: 赵永广; 袁文博; 白海龙; 郑国栋; 邓红伟; 袁绪拓
Original assignee: Ashcroft Instrument Suzhou Co ltd
Current assignee: Ashcroft Instruments Jiaxing Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-14
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a manometer gas tightness testing arrangement, including outlet duct, buffer tube, first pipe, T type pipe, second pipe, air guide pipeline, control valve, connecting tube, manometer, L type detection pipeline, buoy bottle structure, first semicircular pipeline, first sheet rubber, second semicircular pipeline, second sheet rubber, screw through-hole, rubber circle, transparent ball bottle, detection solution, bottle lid, float gauge, spacing ring and spacing mark ball for the jointing equipment. The utility model discloses an installation buoy bottle structure detects there is not gaseous leakage, if manometer and connecting device are unqualified with the connecting pipeline gas tightness of T type pipe kneck, lead to having gaseous leakage, the gas of so revealing will be from L type detection pipeline conduction to transparent bulb in, the gas that does not take place chemical reaction with detection solution will be in transparent bulb extrusion expansion, promote the interior only can the up-and-down activity's of float scale come-up in the transparent bulb, the scale change can be surveyed by the staff of surveing.

Description

Pressure gauge air tightness testing device

Technical Field

The utility model relates to a testing arrangement specifically is a manometer gas tightness testing arrangement, belongs to industrial utensil technical field.

Background

Pressure gauges (pressure gauge) are instruments that measure and indicate pressures above ambient pressure, which are very common, using elastic elements as sensors, and are used in almost all fields of industrial processes and scientific research. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of an elastic sensitive element of the mechanical pressure gauge, and in the use process, the pressure gauge can be very important to the air tightness of a connecting pipeline, if the air tightness is poor, the measured data deviation is larger, so that the air tightness test needs to be regularly carried out on the connecting part of the pressure gauge to ensure the accuracy of the pipeline pressure data in the actual production work.

The prior art on the market does not specially aim at the pressure gauge to test the air tightness, and because the air conveying pipeline has high noise and high ambient humidity, most of the air conveying pipeline is laid in a silent and concealed unmanned environment, so that the air tightness test and the safety control are integrated together, the conveying operation of the pipeline can be immediately closed if the gas is harmful to the conveyed gas in the pipeline, and the life safety of testing workers and the environmental safety of the production environment are firstly protected. Therefore, a pressure gauge air tightness testing device is provided aiming at the problems.

Disclosure of Invention

An object of the utility model is to provide a manometer gas tightness testing arrangement just for solving above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a pressure gauge air tightness testing device comprises an air outlet pipe, a buffer pipeline, a first conduit, a T-shaped pipe for connecting equipment, a second conduit, an air guide pipeline, a control valve and an isolation pipeline structure;

the right end flange of the air outlet pipe is connected with a buffer pipeline, the other end of the buffer pipeline is sleeved on the first guide pipe, the right end of the first conduit is sleeved with a T-shaped pipe for connecting equipment, the right end of the T-shaped pipe for connecting equipment is sleeved with the second conduit, the right end of the second conduit is sleeved with an air guide pipeline which is embedded in the control valve, the top end of the control valve is embedded with a valve, the right end of the control valve is embedded with an air inlet pipe, the connecting device is connected with a connecting pipeline by the upper port of the T-shaped pipe, the top end of the connecting pipeline is sleeved with a pressure gauge, the peripheries of the first conduit, the T-shaped pipe for the connecting equipment and the second conduit are sleeved with an isolation pipeline structure, the upper end of the isolation pipeline structure is embedded with an L-shaped detection pipeline, and the other end of the L-shaped detection pipeline is embedded in the buoy bottle structure;

the isolation pipeline structure comprises a first semicircular pipeline, a first rubber sheet, a second semicircular pipeline, a second rubber sheet, a threaded through hole and a rubber ring, wherein the first rubber sheet is connected to the inner wall of the first semicircular pipeline in an adhering manner, the second rubber sheet is connected to the inner wall of the second semicircular pipeline in an adhering manner, the first semicircular pipeline and the second semicircular pipeline are connected with each other, the threaded through hole is formed in the center of the second semicircular pipeline, and the rubber ring is arranged on the inner wall, positioned on the second semicircular pipeline, of the periphery of the threaded through hole;

the buoy bottle structure includes transparent ball bottle, detection solution, bottle lid, floating scale, spacing ring and spacing mark ball, the right-hand member mouth of L type detection pipeline is installed in the left end embedding of transparent ball bottle, be provided with detection solution in the transparent ball bottle, the bottle lid is installed on the top of transparent ball bottle, the floating scale is installed in the bottle lid runs through, the spacing ring has been cup jointed around the floating scale, the other end rigid coupling of spacing ring is in the upper surface of bottle lid, the top rigid coupling of floating scale has spacing mark ball.

Preferably, the control valve is a carbon steel three-piece ball valve, and the valve is made of high-carbon cast steel.

Preferably, the contact surface of two places of first semicircle pipeline and second semicircle pipeline all installs the magnetic paste that opposite sex attracted mutually, the one side that second sheet and second semicircle pipeline closely laminated also closely adheres to the inner wall in first semicircle pipeline, the one side that first sheet and first semicircle pipeline closely laminated also closely adheres to the inner wall in second semicircle pipeline.

Preferably, the surface of the floating scale is sprayed with a scale, and the scale is marked with a red safety threshold.

Preferably, the detection solution does not react with the gas output by the L-shaped detection pipeline, and the transparent ball bottle is made of tempered thick glass.

Preferably, the threaded through hole has the same caliber as that of the connecting pipeline, and the rubber ring is tightly attached to the outer surface of the connecting pipeline.

The utility model has the advantages that:

1. the utility model discloses an installation buoy bottle structure detects there is gas leakage, if the manometer is good with the connecting pipe gas tightness of T type pipe kneck for the connecting device, then the transparent ball bottle that keeps stable will make the detection solution in the transparent ball bottle not rock, and through installing spacing ring with the float gauge spacing make the float gauge stabilize not horizontal rock, the buoy on the float gauge is fixed scale unchangeable this moment, if the manometer is unqualified with the connecting pipe gas tightness of T type pipe kneck for the connecting device, lead to gas leakage, then the gas of revealing will be conducted from L type detection pipeline to transparent ball bottle in, the gas that does not take place chemical reaction with detection solution will extrude the inflation in transparent ball bottle, promote the only float upward-floating that can move from top to bottom in the transparent ball bottle, scale change can be found by the staff of observation;

2. through seting up control valve and valve, in case the graduation apparatus has reached safe threshold value in the testing process, the staff can make the control valve lock die through control valve immediately, closes gaseous transmission path, and then overhauls the connecting tube, first pipe, T type pipe and second pipe department for the connecting device of manometer and T type pipe kneck for the connecting device, and a plurality of rubber circles of this device installation can guarantee that the kneck gas tightness in the testing process is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the isolation pipe of the present invention;

FIG. 3 is a schematic view of the second semicircular pipeline structure of the present invention;

fig. 4 is a schematic view of the structure of the buoy bottle of the present invention.

In the figure: 1. the outlet duct, 2, the buffer tube, 3, first pipe, 4, T type pipe for the jointing equipment, 5, the second pipe, 6, the air guide pipeline, 7, the control valve, 8, the valve, 9, the jointing tube, 10, the manometer, 11, L type detection pipeline, 12, the buoy bottle structure, 13, first semicircle pipeline, 14, first sheet rubber, 15, the second semicircle pipeline, 16, the second sheet rubber, 17, the screw through-hole, 18, the rubber circle, 1201, the transparent ball bottle, 1202, detection solution, 1203, the bottle lid, 1204, the floating scale, 1205, the spacing ring, 1206, spacing mark ball.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a pressure gauge airtightness testing device includes an air outlet pipe 1, a buffer pipe 2, a first guide pipe 3, a T-shaped pipe 4 for connecting equipment, a second guide pipe 5, an air guide pipe 6, a control valve 7, and an isolation pipe structure;

the right end of the air outlet pipe 1 is connected with a buffer pipeline 2 in a flange mode, the other end of the buffer pipeline 2 is sleeved on a first guide pipe 3, the right end of the first guide pipe 3 is sleeved with a T-shaped pipe 4 for connecting equipment, the right end of the T-shaped pipe 4 for connecting equipment is sleeved on a second guide pipe 5, the right end of the second guide pipe 5 is sleeved with an air guide pipeline 6, the air guide pipeline 6 is embedded and installed on a control valve 7, the top end of the control valve 7 is embedded and installed with a valve 8, the right end of the control valve 7 is embedded and installed with an air inlet pipe, the upper port of the T-shaped pipe 4 for connecting equipment is connected with a connecting pipeline 9, the top end of the connecting pipeline 9 is sleeved with a pressure gauge 10, the peripheries of the first guide pipe 3, the T-shaped pipe 4 for connecting equipment and the second guide pipe 5 are sleeved with an isolation pipeline structure, and, the other end of the L-shaped detection pipeline 11 is embedded in the buoy bottle structure 12;

the isolation pipeline structure comprises a first semicircular pipeline 13, a first rubber sheet 14, a second semicircular pipeline 15, a second rubber sheet 16, a threaded through hole 17 and a rubber ring 18, wherein the first rubber sheet 14 is connected to the inner wall of the first semicircular pipeline 13 in an adhering manner, the second rubber sheet 16 is connected to the inner wall of the second semicircular pipeline 15 in an adhering manner, the first semicircular pipeline 13 and the second semicircular pipeline 15 are connected with each other, the threaded through hole 17 is formed in the center of the second semicircular pipeline 15, and the rubber ring 18 is arranged on the inner wall, located on the second semicircular pipeline 15, of the periphery of the threaded through hole 17 in an adhering manner;

the buoy bottle structure 12 comprises a transparent spherical bottle 1201, a detection solution 1202, a bottle cap 1203, a floating scale 1204, a limiting ring 1205 and a limiting marker ball 1206, the left end of the transparent spherical bottle 1201 is embedded with the right end opening of the L-shaped detection pipeline 11, the detection solution 1202 is arranged in the transparent spherical bottle 1201, the bottle cap 1203 is installed at the top end of the transparent spherical bottle 1201, the bottle cap 1203 is installed with the floating scale 1204 in a penetrating mode, the limiting ring 1205 is sleeved on the periphery of the floating scale 1204, the other end of the limiting ring 1205 is fixedly connected to the upper surface of the bottle cap 1203, and the top end of the floating scale 1204 is fixedly connected with the limiting marker ball 1206.

The control valve 7 is a carbon steel three-piece ball valve, and the valve 8 is made of high-carbon cast steel; the two contact surfaces of the first semicircular pipeline 13 and the second semicircular pipeline 15 are respectively provided with magnetic pastes which attract each other in opposite directions, one surface of the second rubber sheet 16 which is tightly attached to the second semicircular pipeline 15 is also tightly attached to the inner wall of the first semicircular pipeline 13, and one surface of the first rubber sheet 14 which is tightly attached to the first semicircular pipeline 13 is also tightly attached to the inner wall of the second semicircular pipeline 15; a scale is sprayed on the surface of the floating scale 1204, and a red safety threshold is marked on the scale; the detection solution 1202 does not react with the gas output by the L-shaped detection pipeline 11, and the transparent spherical bottle 1201 is made of toughened thick glass; the threaded through hole 17 has the same caliber as the connecting pipeline 9, and the rubber ring 18 is tightly attached to the outer surface of the connecting pipeline 9.

When the utility model is used, firstly, the worker cup joints the right input port of the control valve 7 at the left end of the air inlet pipe, then cup joints the left output port of the control valve 7 at the right end of the air guide pipe 6, then places the second semicircular pipe 15 above the first pipe 3, the T-shaped pipe 4 for the connecting device and the second pipe 5, so that the connecting pipe 9 passes through the threaded through hole 17 to be spirally connected to the upper port of the T-shaped pipe 4 for the connecting device, then connects the first semicircular pipe 13 and the second semicircular pipe 15 through two magnetic pastes, so that the isolation pipe structure is closely attached to the outer surfaces of the connecting pipe 9, the first pipe 3, the T-shaped pipe 4 for the connecting device and the second pipe 5, then the buoy bottle structure 12 is connected to the right port of the L-shaped detection pipe 11, finally, the valve 8 is opened to enable the gas to flow, if the air tightness of the connecting pipe 9 at the interface between the pressure gauge 10 and the T-shaped pipe 4 for the connecting device is, then the transparent bulb 1201 kept stable will make the detection solution 1202 in the transparent bulb 1201 not shake, and the floating scale 1204 is limited by the mounting limit ring 1205 to make the floating scale 1204 steady and not horizontally shake, at this time, the float on the floating scale 1204 is a fixed scale, if the air tightness of the connecting pipeline 9 at the interface between the pressure gauge 10 and the T-shaped pipe 4 for the connecting device is not qualified, resulting in gas leakage, the leaked gas will be conducted into the transparent bulb 1201 from the L-shaped detection pipeline 11, the gas which does not react with the detection solution 1202 will be extruded and expanded in the transparent bulb 1201, pushing the only floating scale 1204 which can move up and down in the transparent bulb 1201 to float upwards, the scale change can be found by the staff who observes, once the scale reaches the safety threshold, the staff can immediately lock the control valve 7 through the control valve 8, closing the gas transmission channel, and then the connecting pipeline 9, the first conduit 3, the T-shaped pipe 4 for the connecting device and the second conduit 5 at the interface of the pressure gauge 10 and the T-shaped pipe 4 for the connecting device are overhauled.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a manometer gas tightness testing arrangement which characterized in that: comprises an air outlet pipe (1), a buffer pipeline (2), a first guide pipe (3), a T-shaped pipe (4) for connecting equipment, a second guide pipe (5), an air guide pipeline (6), a control valve (7) and an isolation pipeline structure;

the right end of the air outlet pipe (1) is connected with a buffer pipeline (2) in a flange mode, the other end of the buffer pipeline (2) is sleeved on a first guide pipe (3), the right end of the first guide pipe (3) is sleeved with a T-shaped pipe (4) for connecting equipment, the right end of the T-shaped pipe (4) for connecting equipment is sleeved on a second guide pipe (5), the right end of the second guide pipe (5) is sleeved with an air guide pipeline (6), the air guide pipeline (6) is embedded and installed on a control valve (7), the top end of the control valve (7) is embedded and installed with a valve (8), the right end of the control valve (7) is embedded and installed with an air inlet pipe, the upper port of the T-shaped pipe (4) for connecting equipment is connected with a connecting pipeline (9), the top end of the connecting pipeline (9) is sleeved and connected with a pressure gauge (10), and the first guide pipe (3), the T-shaped pipe (4) for connecting equipment, the upper end of the isolation pipeline structure is embedded with an L-shaped detection pipeline (11), and the other end of the L-shaped detection pipeline (11) is embedded in a buoy bottle structure (12);

the isolation pipeline structure comprises a first semicircular pipeline (13), a first rubber sheet (14), a second semicircular pipeline (15), a second rubber sheet (16), a threaded through hole (17) and a rubber ring (18), wherein the first rubber sheet (14) is connected to the inner wall of the first semicircular pipeline (13) in an adhesion mode, the second rubber sheet (16) is connected to the inner wall of the second semicircular pipeline (15) in an adhesion mode, the first semicircular pipeline (13) and the second semicircular pipeline (15) are connected with each other, the threaded through hole (17) is formed in the center of the second semicircular pipeline (15), and the rubber ring (18) is arranged on the inner wall, located on the second semicircular pipeline (15), of the periphery of the threaded through hole (17) in an adhesion mode;

buoy bottle structure (12) include transparent ball bottle (1201), detect solution (1202), bottle lid (1203), floating scale (1204), spacing ring (1205) and spacing marker ball (1206), the right-hand member mouth of L type detection pipeline (11) is installed in the left end embedding of transparent ball bottle (1201), be provided with in transparent ball bottle (1201) and detect solution (1202), bottle lid (1203) are installed on the top of transparent ball bottle (1201), bottle lid (1203) are run through and are installed floating scale (1204), spacing ring (1205) have been cup jointed around floating scale (1204), the other end rigid coupling of spacing ring (1205) is in the upper surface of bottle lid (1203), the top rigid coupling of floating scale (1204) has spacing marker ball (1206).

2. The tightness testing device for pressure gauge according to claim 1, characterized in that: the control valve (7) is a carbon steel three-piece ball valve, and the valve (8) is made of high-carbon cast steel.

3. The tightness testing device for pressure gauge according to claim 1, characterized in that: the utility model discloses a semi-circular pipeline, including first semi-circular pipeline (13), second semi-circular pipeline (15), second sheet rubber (16) and the one side of the inseparable laminating of second semi-circular pipeline (15) also inseparable adhesion fit in the inner wall of first semi-circular pipeline (13), the one side of inseparable laminating of first sheet rubber (14) and first semi-circular pipeline (13) also inseparable adhesion fit in the inner wall of second semi-circular pipeline (15).

4. The tightness testing device for pressure gauge according to claim 1, characterized in that: the surface of the floating scale (1204) is sprayed with a scale, and the scale is marked with a red safety threshold.

5. The tightness testing device for pressure gauge according to claim 1, characterized in that: the detection solution (1202) does not react with gas output by the L-shaped detection pipeline (11), and the transparent ball bottle (1201) is made of toughened thick glass.

6. The tightness testing device for pressure gauge according to claim 1, characterized in that: the threaded through hole (17) is the same as the caliber of the connecting pipeline (9), and the rubber ring (18) is tightly attached to the outer surface of the connecting pipeline (9).