CN221425880U - Pressure pipeline airtight detection device - Google Patents

Abstract

The utility model discloses a pressure pipeline airtight detection device, which comprises a four-way pipe and a detection assembly; four-way pipe: the left end and the right end of the pipe are fixedly connected with a guide pipe, the ends of the guide pipe, which deviate from the four-way pipe, are respectively provided with a pressure pipeline connector, the pressure pipeline connector comprises a first thread head, a second thread head, a compression ring and a rubber sealing ring, and the first thread head is respectively and fixedly connected with the ends of the guide pipe, which deviate from the four-way pipe; and (3) a detection component: including piston cylinder, piston and spring, the piston cylinder sets up in the upper end top of four-way pipe, the lower extreme inside of piston cylinder communicates with the upper end inside of four-way pipe, the inner wall sliding connection of piston cylinder has the piston, be equipped with the spring between the inside roof of piston cylinder and the lower surface of piston, the piston cylinder is transparent piston cylinder, the extrados of piston cylinder is equipped with the scale mark, and this pressure conduit airtight detection device has improved the range of application, and installation operation is simple, detects accurately.

Description

Pressure pipeline airtight detection device

Technical Field

The utility model relates to the technical field of pressure pipeline detection, in particular to a pressure pipeline airtight detection device.

Background

Pressure conduit is understood in a broad sense to mean all conduits that are subjected to internal or external pressure, whatever the medium therein. Pressure lines are the part of the lines that are assembled assemblies of pipes, tubes, flanges, bolted connections, gaskets, valves, other components or pressurized parts and supports for transporting, distributing, mixing, separating, discharging, metering, controlling and stopping fluid flow. At present, the pressure pipeline is before using, need detect its gas tightness, plug pipeline both ends through the pipe plug, make the pipeline be sealed state, aerify in to the pressure pipeline again, and detect through the manometer, but current most pressure pipeline gas tightness check out test set is tight enough to the both ends shutoff of pressure pipeline through the rubber plug, thereby the rubber plug can not fine match pressure pipeline's end, thereby the gas leakage takes place easily to influence the testing result, and it is inconvenient to aerify the operation, for this reason, we propose pressure pipeline gas tightness detection device.

Disclosure of utility model

The technical problem to be solved by the utility model is to overcome the existing defects, provide the airtight detection device for the pressure pipeline, improve the application range, simplify the installation operation and realize accurate detection, and effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pressure pipeline airtight detection device comprises a four-way pipe and a detection component;

Four-way pipe: the left end and the right end of the four-way pipe are fixedly connected with a guide pipe, and the ends of the guide pipe, which deviate from the four-way pipe, are provided with pressure pipeline connectors;

And (3) a detection component: including piston cylinder, piston and spring, the piston cylinder sets up in the upper end top of four-way pipe, the lower extreme inside of piston cylinder and the inside intercommunication of upper end of four-way pipe, the inner wall sliding connection of piston cylinder has the piston, be equipped with the spring between the inside roof of piston cylinder and the lower surface of piston, the piston cylinder is transparent piston cylinder, the extrados of piston cylinder is equipped with the scale mark, is convenient for carry out the gas tightness test to the pressure conduit of different length, has improved the range of application, and the leakproofness is good moreover, and installation operation is simple, is convenient for observe, detects accurately.

Further, the pressure pipeline connector includes screw thread first, screw thread first second, clamping ring and rubber seal ring, screw thread first is fixed connection respectively in the end that the pipe deviates from the four-way pipe, the pipe is respectively with the inside intercommunication of screw thread first that is connected, the equal threaded connection of the relative inboard end extrados of two screw thread first has screw thread first second, the internal face of screw thread first second all is equipped with rubber seal ring, the rubber seal ring is kept away from the one end outer edge of screw thread first second and is the inclined plane, screw thread first's intrados all is equipped with the clamping ring, the clamping ring sets up with adjacent rubber seal ring cooperation respectively, be convenient for with pressure pipeline's end sealing connection.

Further, the pressure pipeline connector further comprises annular gaskets, wherein the annular gaskets are respectively arranged on the inner wall surface of the first threaded head, and the sealing effect on the pressure pipeline end head is further improved.

Furthermore, the outer cambered surfaces of the first thread head and the second thread head are respectively provided with a hexagonal chuck, so that the first thread head and the second thread head can be conveniently rotated by using a tool.

Further, still include 匚 type support, bee calling organ and singlechip, 匚 type support sets up in the outer cambered surface of the last body of four-way pipe, the inside fixed connection of the horizontal plate body of the upper end outer cambered surface of piston tube and 匚 type support top, rotate between the two horizontal plate bodies of 匚 type support and be connected with adjusting screw, adjusting screw's middle part threaded connection has the slider, the left end of slider is equipped with photoelectric sensor, photoelectric sensor and piston cooperation set up, bee calling organ sets up in the horizontal plate body upper surface of 匚 type support top, the singlechip sets up in the horizontal plate body upper surface of 匚 type support below, the output of singlechip is connected to photoelectric sensor's output electricity, buzzer's input is connected to the output electricity of singlechip, detects whether the piston removes, reminds the inspector.

Further, a valve is connected in series in the middle of the lower pipe body of the four-way pipe, so that the lower pipe body of the four-way pipe is plugged, and air leakage is avoided.

Further, the outer cambered surface of the piston is provided with an indication arrow, and the indication arrow is matched with the scale marks, so that whether the piston moves or not can be visually observed.

Compared with the prior art, the utility model has the beneficial effects that: the airtight detection device of the pressure pipeline has the following advantages:

The end head of the pressure pipeline is inserted into the screw thread head II and is abutted against the adjacent annular gasket, the hexagonal chucks arranged on the outer cambered surfaces of the screw thread head I and the screw thread head II are rotated by an external wrench, so that the screw thread head I and the screw thread head II move oppositely, the screw thread head II drives the rubber sealing ring to be extruded by the compression ring in the process of moving relative to the screw thread head II, the inner cambered surface of the rubber sealing ring is tightly attached to the outer cambered surface of the pressure pipeline under the pressure action of the compression ring because the outer edge of one end of the rubber sealing ring far away from the screw thread head II is an inclined surface, the outer cambered surface of the pressure pipeline is sealed, then compressed air is flushed from the lower pipe body of the four-way pipe by using an external air pump, the compressed air respectively enters the piston cylinder and the inner part of the pressure pipeline, the piston slides upwards under the thrust action of the compressed air and extrudes the spring, then the valve is closed, scales corresponding to the indication arrows are observed after the piston is stable, meanwhile, the adjusting screw is manually rotated, the adjusting screw drives the sliding block to vertically move, so that the probe of the photoelectric sensor is positioned below the sliding block, at the moment, the gas pressure in the pressure pipeline is equal to the gas pressure at the lower end in the piston cylinder, when the side wall of the pressure pipeline leaks, the gas at the lower end in the piston cylinder enters the pressure pipeline through the four-way pipe and the guide pipe, the piston moves downwards under the elastic force of the spring, when the probe of the photoelectric sensor is shielded by the piston, the photoelectric sensor sends a signal to the singlechip, the singlechip controls the buzzer to sound a phoenix, the attention of an operator is reminded, the operator confirms through observing scales corresponding to the indication arrows, so that the gas tightness of the pressure pipeline is judged, the gas tightness detection device of the pressure pipeline is convenient for carrying out gas tightness test on the pressure pipelines with different lengths, the application range is improved, moreover, the sealing performance is good, the installation operation is simple, the observation is convenient, and the detection is accurate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional plan view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;

fig. 5 is a schematic view of the structure of the piston of the present utility model.

In the figure: the device comprises a four-way pipe 1, a conduit 2, a pressure pipeline connector 3, a thread head I, a thread head II, a compression ring 33, a rubber sealing ring 34, an annular gasket 35, a detection component 4, a piston cylinder 41, a scale mark 411, a piston 42, an indication arrow 421, a spring 43, a bracket 5 匚, an adjusting screw 6, a sliding block 7, a photoelectric sensor 8, a buzzer 9, a singlechip 10, a valve 11 and a hexagonal chuck 12.

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. 1-5, the present embodiment provides a technical solution: the pressure pipeline airtight detection device comprises a four-way pipe 1 and a detection component 4;

Four-way pipe 1: the two ends are fixedly connected with a conduit 2, the ends of the conduit 2, which deviate from the four-way pipe 1, are respectively provided with a pressure pipeline connector 3, the pressure pipeline connector 3 comprises a first thread head 31, a second thread head 32, a pressure ring 33 and a rubber sealing ring 34, the first thread head 31 is respectively and fixedly connected with the ends of the conduit 2, which deviate from the four-way pipe 1, the conduit 2 is respectively communicated with the inner parts of the connected first thread heads 31, the two opposite inner side end outer cambered surfaces of the first thread heads 31 are respectively and fixedly connected with the second thread head 32, the inner wall surfaces of the second thread heads 32 are respectively provided with the rubber sealing ring 34, one end of the rubber sealing ring 34, which is far away from the second thread head 32, is an inclined surface, the inner cambered surfaces of the first thread head 31 are respectively provided with the pressure ring 33, the pressure ring 33 is matched with the adjacent rubber sealing ring 34, so as to be conveniently connected with the end of the pressure pipeline in a sealing way, the pressure pipeline connector 3 further comprises an annular gasket 35, the annular gasket 35 is respectively arranged on the inner wall surface of the first thread head 31, the outer cambered surfaces of the first thread head 31 and the second thread head 32 are respectively, the hexagonal chuck 12 is arranged, so that a tool is conveniently used for rotating the first thread head 31 and the second thread head 32, the inner cambered surface of the second thread head 32 is rotated, the second thread head 31 is arranged under the screw thread head 32, the second thread head 31 is in the sealing ring 34 is pressed down the inclined surface of the pressure ring 34, the pressure ring 34 is arranged on the inner cambered surface of the pressure pipe 1, the second thread body, the second thread head 32 is far from the pressure ring 34, and the middle part is far from the pressure ring 32, and the pressure ring 34 is screwed down the end of the pressure ring 32, and the sealing ring 33 is screwed down the sealing ring 34 is arranged, and the sealing ring 33 is arranged, and the sealing ring is opposite the sealing ring 32 and the sealing ring 33 is arranged, avoiding air leakage.

Detection component 4: including piston cylinder 41, piston 42 and spring 43, piston cylinder 41 sets up in the upper end top of four-way pipe 1, the inside intercommunication of upper end and four-way pipe 1 of lower extreme of piston cylinder 41, piston cylinder 41's inner wall sliding connection has piston 42, be equipped with spring 44 between piston cylinder 41's inside roof and the lower surface of piston 42, piston cylinder 41 is transparent piston cylinder, piston cylinder 41's extrados is equipped with scale mark 411, piston 42's extrados is equipped with the instruction arrow 421, the cooperation of instruction arrow 421 and scale mark 411 sets up, utilize outside air pump to dash into compressed air from four-way pipe 1's lower body, compressed air gets into piston cylinder 41 and pressure pipeline's inside respectively, piston 42 upwards slides and extrudes spring 44 under compressed air's thrust effect, then close valve 11, observe the scale that the instruction arrow 421 corresponds after piston 42 stabilizes, be convenient for directly perceived whether piston 42 removes.

Wherein: still include 匚 type support, buzzer 9 and singlechip 10, 匚 type support 5 sets up in the outer cambered surface of the last body of four-way pipe 1, the outer cambered surface of the upper end of piston tube 41 and the inside fixed connection of horizontal plate body of 匚 type support 5 top, it is connected with adjusting screw 6 to rotate between the two horizontal plate bodies of 匚 type support 5, the middle part threaded connection of adjusting screw 6 has slider 7, the left end of slider 7 is equipped with photoelectric sensor 8, photoelectric sensor 8 and piston 42 cooperation setting, buzzer 9 sets up in the horizontal plate body upper surface of 匚 type support 5 top, singlechip 10 sets up in the horizontal plate body upper surface of 匚 type support 5 below, the output of singlechip 10 is electrically connected to the output of singlechip 10, the input of buzzer 9 is electrically connected to the output of singlechip 10, manual rotatory adjusting screw 6, the adjusting screw 6 drives slider 7 vertical movement, make the probe of photoelectric sensor 8 be located the below of slider 7, the inside gas of pressure tube and the inside gas under piston tube 41 are equal this moment, when the lateral wall of pressure tube is down, the gas pressure sensor 41 sends the gas pressure of gas tube inside the piston tube and the inner probe and sends out the pressure of pressure sensor 10 through the piston tube and the inner pressure of the piston tube and the piston tube 2, the control signal is down to the singlechip 10, the pressure of the microphone is controlled to send out the pressure signal to the microphone 10 when the pressure sensor is down in the pressure tube 8, the personnel's 9, and the pressure is controlled to send the pressure is down to the pressure to the microphone 10.

The working principle of the airtight detection device for the pressure pipeline provided by the utility model is as follows:

The end head of the pressure pipeline is inserted into the interior of the screw thread head II 32 and is abutted against the adjacent annular gasket 35, the hexagonal chuck 12 arranged on the outer cambered surfaces of the screw thread head I31 and the screw thread head II 32 is rotated by an external wrench, so that the screw thread head I31 and the screw thread head II 32 move in opposite directions, the rubber sealing ring 34 is extruded by the compression ring 33 in the process that the screw thread head II 32 drives the rubber sealing ring 34 to move relative to the screw thread head II 32, the outer edge of one end of the rubber sealing ring 34 far away from the screw thread head II 32 is an inclined surface, the inner cambered surface of the rubber sealing ring 34 is tightly adhered to the outer cambered surface of the pressure pipeline under the pressure of the compression ring 33 to seal the outer cambered surface of the pressure pipeline, then compressed air is flushed in from the lower pipe body of the four-way pipe 1 by the external air pump, the compressed air respectively enters the piston cylinder 41 and the interior of the pressure pipeline, and the piston 42 slides upwards under the thrust of the compressed air, then the valve 11 is closed, the scale corresponding to the indication arrow 421 is observed after the piston 42 is stable, meanwhile, the adjusting screw 6 is manually rotated, the adjusting screw 6 drives the sliding block 7 to vertically move, so that the probe of the photoelectric sensor 8 is positioned below the sliding block 7, at the moment, the gas pressure in the pressure pipeline is equal to the gas pressure at the lower end of the inner part of the piston cylinder 41, when the side wall of the pressure pipeline leaks, the gas at the lower end of the inner part of the piston cylinder 41 enters the pressure pipeline through the four-way pipe 1 and the guide pipe 2, the piston 42 moves downwards under the elastic force of the spring 43, when the probe of the photoelectric sensor 8 is blocked by the piston 42, the photoelectric sensor 8 sends a signal to the singlechip 10, the singlechip 10 controls the buzzer 9 to generate a phoenix sound, the attention of operators is reminded, the operators confirms through observing the scale corresponding to the indication arrow 421, thereby determining the air tightness of the pressure pipe.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims (7)

1. Pressure pipeline airtight detection device, its characterized in that: comprises a four-way pipe (1) and a detection component (4);

four-way pipe (1): the left end and the right end of the four-way pipe are fixedly connected with a guide pipe (2), and the ends of the guide pipe (2) deviating from the four-way pipe (1) are provided with pressure pipeline connectors (3);

Detection component (4): including piston cylinder (41), piston (42) and spring (43), piston cylinder (41) set up in the upper end top of four-way pipe (1), the inside intercommunication of upper end with four-way pipe (1) of lower extreme inside of piston cylinder (41), the inner wall sliding connection of piston cylinder (41) has piston (42), be equipped with spring (44) between the inside roof of piston cylinder (41) and the lower surface of piston (42), piston cylinder (41) are transparent piston cylinder, the extrados of piston cylinder (41) is equipped with scale mark (411).

2. The pressure pipe airtight detecting device according to claim 1, wherein: pressure piping connection head (3) are including screw thread first (31), screw thread first two (32), clamping ring (33) and rubber sealing ring (34), screw thread first (31) are fixed connection respectively in pipe (2) deviate from the end of four-way pipe (1), pipe (2) are respectively with the screw thread first (31) inside intercommunication that is connected, the equal threaded connection of relative inboard end extrados of two screw thread first (31) has screw thread first two (32), the internal face of screw thread first two (32) all is equipped with rubber sealing ring (34), the one end outer edge that screw thread first two (32) were kept away from to rubber sealing ring (34) is the inclined plane, the intrados of screw thread first (31) all is equipped with clamping ring (33), clamping ring (33) respectively with adjacent rubber sealing ring (34) cooperation setting.

3. The pressure pipe airtight detecting device according to claim 2, wherein: the pressure pipeline connector (3) further comprises annular gaskets (35), and the annular gaskets (35) are respectively arranged on the inner wall surface of the first threaded head (31).

4. The pressure pipe airtight detecting device according to claim 2, wherein: the outer cambered surfaces of the first thread head (31) and the second thread head (32) are respectively provided with a hexagonal chuck (12).

5. The pressure pipe airtight detecting device according to claim 1, wherein: still include 匚 type support (5), bee calling organ (9) and singlechip (10), 匚 type support (5) set up in the outer cambered surface of last body of four-way pipe (1), the upper end extrados of piston cylinder (41) and the inside fixed connection of horizontal plate body of 匚 type support (5) top, rotate between two horizontal plate bodies of 匚 type support (5) and be connected with adjusting screw (6), the middle part threaded connection of adjusting screw (6) has slider (7), the left end of slider (7) is equipped with photoelectric sensor (8), photoelectric sensor (8) and piston (42) cooperation set up, bee calling organ (9) set up in the horizontal plate body upper surface of 匚 type support (5) top, the output of singlechip (8) is connected to the output of singlechip (10) electricity, the input of bee calling organ (9) is connected to the output electricity of singlechip (10).

6. The pressure pipe airtight detecting device according to claim 1, wherein: the middle part of the lower pipe body of the four-way pipe (1) is connected in series with a valve (11).

7. The pressure pipe airtight detection apparatus according to any one of claims 1 to 6, wherein: an indication arrow (421) is arranged on the outer cambered surface of the piston (42), and the indication arrow (421) is matched with the scale marks (411).