CN216410562U - Pipe fitting negative pressure check out test set - Google Patents
Pipe fitting negative pressure check out test set Download PDFInfo
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- CN216410562U CN216410562U CN202123104524.XU CN202123104524U CN216410562U CN 216410562 U CN216410562 U CN 216410562U CN 202123104524 U CN202123104524 U CN 202123104524U CN 216410562 U CN216410562 U CN 216410562U
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- pressure
- pipe
- pipe fitting
- display meter
- negative pressure
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- 238000012360 testing method Methods 0.000 title abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a pipe fitting negative pressure detection device, which relates to the technical field of pipe fitting detection and comprises a pressure display meter, wherein a detection port of the pressure display meter is connected with a three-way pipe through a connecting pipe, the other two ends of the three-way pipe are respectively connected with a pressure regulating valve and a second electromagnetic valve through two connecting pipes, and the other end of the pressure regulating valve is communicated with one end of a body of a to-be-detected piece through a to-be-detected piece adapter pipe. According to the utility model, the pressure inside the pipe fitting is displayed through the pressure display meter designed by the utility model, the pipe fitting is connected through the designed adapter tube of the to-be-tested piece, the pressure state in the pipeline system connected with the pipe fitting is controlled through the components such as the electromagnetic valve, the negative pressure generator, the time relay and the relay through the single chip microcomputer during detection, the pressure state is displayed through the pressure display meter, and a user can test the negative pressure state in the pipe fitting by reading and comparing the numerical value change of the pressure display meter, so that the performance of the pipe fitting is obtained, and the process is rapid and convenient.
Description
Technical Field
The utility model relates to the technical field of pipe fitting detection, in particular to a pipe fitting negative pressure detection device.
Background
The vacuum chamber is pumped out in a negative pressure mode, so that the sample immersed in water generates internal and external pressure difference, the external escape condition of gas in the sample is observed, and the sealing performance of the sample is judged: or evacuating the vacuum chamber to generate internal and external pressure difference on the sample, observing the expansion of the sample and the shape recovery of the sample after the vacuum is released, and judging the sealing performance of the sample.
However, in the prior art, the related detection steps of leak stopping detection are lacked in the existing pipe fitting detection negative pressure test equipment, and the operation of leak stopping detection is very troublesome due to the lack of related equipment, so that the technical defects exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: a negative pressure detection device for a pipe fitting comprises a pressure display meter, wherein a detection port of the pressure display meter is connected with a three-way pipe through a connecting pipe, the other two ends of the three-way pipe are respectively connected with a pressure regulating valve and a second electromagnetic valve through two connecting pipes, the other end of the pressure regulating valve is communicated with one end of a body to be detected through a switching pipe of the body to be detected, the other end of the body to be detected is communicated with a barometer through a switching pipe of another body to be detected, the other port of the barometer is communicated with one end of the first electromagnetic valve through the connecting pipe, the other end of the first electromagnetic valve is communicated with one end of a negative pressure generator through the connecting pipe, the other end of the negative pressure generator is communicated with the other end of the second electromagnetic valve through the connecting pipe, the pressure display meter is arranged on the side wall of a shell, and three time relays are arranged on the shell corresponding to the side edge of the pressure display meter, the pressure display meter is characterized in that a single chip microcomputer and a relay are installed at the bottom of the pressure display meter, and an emergency stop key, a start key and a reset key are fixed on one side face of a shell where the pressure display meter is located.
In a preferred embodiment, the emergency stop key is electrically connected with the power supply end of the relay, and the start key, the relay and the emergency stop key are in a series circuit.
In a preferred embodiment, a top cover is mounted on the top of the housing.
Compared with the prior art, the utility model has the advantages and positive effects that,
the pressure display meter designed by the utility model is used for displaying the pressure inside the pipe fitting, the pipe fitting is connected through the designed adapter tube of the to-be-tested piece, the pressure state in a pipeline system connected with the pipe fitting is controlled by the components such as the electromagnetic valve, the negative pressure generator, the time relay and the relay through the single chip microcomputer during detection, the pressure state is displayed through the pressure display meter, and a user can test the negative pressure state in the pipe fitting by only reading and comparing the numerical value change of the pressure display meter, so that the performance of the pipe fitting is obtained, and the process is quick and convenient.
Drawings
FIG. 1 is a schematic structural diagram of a negative pressure detection apparatus for pipes according to the present invention;
FIG. 2 is a schematic piping diagram of a negative pressure testing apparatus for pipes according to the present invention;
FIG. 3 is a schematic view of the overall structure of a negative pressure testing apparatus for pipes according to the present invention;
fig. 4 is a schematic diagram of an internal structure of a negative pressure detection device for pipe fittings according to the present invention.
Illustration of the drawings:
1. a pressure display gauge; 2. a three-way pipe; 3. a pressure regulating valve; 4. the adapter tube of the piece to be tested; 5. a body of the piece to be tested; 6. a barometer; 7. a first electromagnetic valve; 8. a negative pressure generator; 9. a second electromagnetic valve; 10. a time relay; 11. a housing; 12. a top cover; 13. a single chip microcomputer; 14. a relay; 15. a scram key; 16. a start key; 17. and a reset key.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a negative pressure detection device for a pipe fitting comprises a pressure display meter 1, wherein a detection port of the pressure display meter 1 is connected with a three-way pipe 2 through a connecting pipe, the other two ends of the three-way pipe 2 are respectively connected with a pressure regulating valve 3 and a second electromagnetic valve 9 through two connecting pipes, the other end of the pressure regulating valve 3 is communicated with one end of a body 5 to be detected through a switching pipe 4 of the piece to be detected, the other end of the body 5 to be detected is communicated with a barometer 6 through another switching pipe 4 of the piece to be detected, the other port of the barometer 6 is communicated with one end of a first electromagnetic valve 7 through a connecting pipe, the other end of the first electromagnetic valve 7 is communicated with one end of a negative pressure generator 8 through a connecting pipe, the other end of the negative pressure generator 8 is communicated with the other end of the second electromagnetic valve 9 through a connecting pipe, the pressure display meter 1 is arranged on the side wall of a shell 11 corresponding to the side edge of the pressure display meter 1, three time relays 10 are arranged on the shell 11, the pressure display table 1 is provided with a single chip microcomputer 13 and a relay 14 at the bottom, an emergency stop key 15, a start key 16 and a reset key 17 are fixed on one side surface of a shell 11 where the pressure display table 1 is located, the emergency stop key 15 is electrically connected with a power supply end of the relay 14, the start key 16, the relay 14 and the emergency stop key 15 are in a series circuit, and a top cover 12 is installed at the top of the shell 11.
In the embodiment, the pressure inside the pipe fitting is displayed through the pressure display table 1 designed by the utility model, the pipe fitting is connected through the designed adapter tube 4 of the to-be-tested piece, the pressure state in a pipeline system connected with the pipe fitting is controlled through the components such as the electromagnetic valve, the negative pressure generator 8, the time relay 10 and the relay 14 through the single chip microcomputer 13 during detection, the pressure state is displayed through the pressure display table 1, and a user can measure the negative pressure state in the pipe fitting only by reading and comparing the numerical value change of the pressure display table 1, so that the performance of the pipe fitting is obtained, and the process is rapid and convenient.
The working principle is as follows:
as shown in fig. 1, 2, 3 and 4, when in use, the body 5 to be tested is firstly installed on the pipeline between the pressure regulating valve 3 and the barometer 6, and then can be opened for detection, during detection, the single chip 13 controls the on-off of the negative pressure generator 8 to adjust the air pressure inside the pipeline passage, and then the specific control is performed according to the value of the barometer 6, and meanwhile, the specific value of the pressure in the pipeline is displayed through the pressure display table 1, one time relay 10 is used for controlling the segment negative pressure time, the other time relay 10 is used for controlling the test time, and the third time relay 10 is matched with the start key 16 for time setting and resetting.
When the device is operated, firstly, a first negative pressure is generated by the negative pressure generator 8, then the first negative pressure is conducted to the second electromagnetic valve 9 and the first electromagnetic valve 7 through the connecting pipe, the first electromagnetic valve 7 is controlled by the singlechip 13 to conduct a certain amount of first negative pressure to the barometer 6 through the connecting pipe, at the moment, the barometer 6 displays a second negative pressure, the second negative pressure is conducted to the body 5 of the piece to be measured through the adapter pipe 4 of the piece to be measured connected with the barometer 6, then the body 5 of the piece to be measured enters the pressure regulating valve 3, simultaneously, the singlechip 13 controls the start and stop of the second electromagnetic valve 9 to enable the second negative pressure to be conducted to the pressure regulating valve 3 and the pressure display meter 1 through a part of the first negative pressure through a pipeline, the third negative pressure is obtained, at the moment, the two ends of the pressure regulating valve 3 are respectively provided with the third negative pressure and the second negative pressure, the pressure display meter 1 displays the third negative pressure in the second electromagnetic valve 9, and the start and stop of the first electromagnetic valve 7 and the second electromagnetic valve 9 are controlled by the singlechip 13 to control the differential pressure of the second negative pressure and the third negative pressure, and comparing to obtain the leakage-stopping parameters.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (3)
1. The negative pressure detection equipment for the pipe fitting comprises a pressure display meter (1) and is characterized in that a three-way pipe (2) is connected to a detection port of the pressure display meter (1) through a connecting pipe, the other two ends of the three-way pipe (2) are respectively connected with a pressure regulating valve (3) and a second electromagnetic valve (9) through two connecting pipes, the other end of the pressure regulating valve (3) is communicated with one end of a body (5) to be detected through a switching pipe (4) of the piece to be detected, the other end of the body (5) to be detected is communicated with a barometer (6) through another switching pipe (4) of the piece to be detected, the other port of the barometer (6) is communicated with one end of a first electromagnetic valve (7) through a connecting pipe, the other end of the first electromagnetic valve (7) is communicated with one end of a negative pressure generator (8) through a connecting pipe, the other end of the negative pressure generator (8) is communicated with the other end of the second electromagnetic valve (9) through a connecting pipe, the pressure display meter is characterized in that the pressure display meter (1) is installed on the side wall of the shell (11), three time relays (10) are installed on the shell (11) corresponding to the side edge of the pressure display meter (1), a single chip microcomputer (13) and a relay (14) are installed at the bottom of the pressure display meter (1), and an emergency stop key (15), a starting key (16) and a reset key (17) are fixed on one side face of the shell (11) where the pressure display meter (1) is located.
2. The pipe fitting negative pressure detecting apparatus according to claim 1, wherein: the emergency stop key (15) is electrically connected with the power supply end of the relay (14), and the start key (16), the relay (14) and the emergency stop key (15) are in a series circuit.
3. The pipe fitting negative pressure detecting apparatus according to claim 1, wherein: and a top cover (12) is arranged at the top of the shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123104524.XU CN216410562U (en) | 2021-12-12 | 2021-12-12 | Pipe fitting negative pressure check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123104524.XU CN216410562U (en) | 2021-12-12 | 2021-12-12 | Pipe fitting negative pressure check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216410562U true CN216410562U (en) | 2022-04-29 |
Family
ID=81283822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123104524.XU Expired - Fee Related CN216410562U (en) | 2021-12-12 | 2021-12-12 | Pipe fitting negative pressure check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216410562U (en) |
-
2021
- 2021-12-12 CN CN202123104524.XU patent/CN216410562U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |