CN219796935U

CN219796935U - Pressure pipeline detection device

Info

Publication number: CN219796935U
Application number: CN202321221986.6U
Authority: CN
Inventors: 李建强; 赵婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-03
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a pressure pipeline detection device which comprises a detector, wherein the detector comprises a connecting column, a screw cap, a threaded connecting column and a fixed column, the screw cap is fixedly arranged below the connecting column, the threaded connecting column is fixedly arranged below the screw cap, the fixed column is fixedly arranged below the threaded connecting column, a sealing air bag is sleeved on the fixed column, a pressure relief pipe is fixedly arranged on the connecting column, a piston is slidably arranged in the pressure relief pipe, one side of the piston is fixedly connected with a return spring, the other side of the return spring is fixedly connected with an adjusting block, the threaded column is rotatably arranged in the pressure relief pipe, and the threaded column is in threaded fit with the adjusting block. Can drive the regulating block through rotatory screw post and remove, the regulating block can compress or release return spring to adjust the required pressure of promotion piston to pressure release hole department, can independently adjust according to test pressure, pressure pipeline inside pressure, make the device can adapt to different kinds of pressure pipeline and detect.

Description

Pressure pipeline detection device

Technical Field

The present disclosure relates to pressure sensors, and particularly to a pressure sensor.

Background

Pressure pipes refer to all pipes which are subjected to internal or external pressure, whatever the medium in the pipe. The pressure conduit is a part of the conduit for transporting, distributing, mixing, separating, discharging, metering, controlling and stopping the flow of fluid, which in use requires detection means for detecting it.

The pressure pipeline detection device disclosed in China patent publication No. CN218994609U comprises a pressure pipeline, wherein through grooves are symmetrically formed in the top of the pressure pipeline, and a first sealing component and a second sealing component are respectively arranged in the two through grooves in a sealing manner; the top of the first sealing component is provided with a first through hole, a pressure detection rod is fixed in the first through hole in a sealing way, one end of the pressure detection rod extends into the pressure pipeline, and the other end of the pressure detection rod extends to the top of the first sealing component and is provided with a pressure gauge; the top of the second sealing component is provided with a second through hole, a fixed pipe with the top being closed is fixed in the second through hole in a sealing way, the side wall of the fixed pipe exposed to the outside is provided with a vent hole, an elastic component for blocking the vent hole is arranged in the fixed pipe, and the elastic component is driven to slide by the air pressure in the pressure pipeline so as to open the vent hole. The utility model has the advantages of simple structure, quick assembly and disassembly, good sealing performance, automatic pressure relief function and capability of avoiding safety accidents caused by over-high air pressure explosion in the pressure pipeline.

The pressure release device may work when the pressure inside the pipeline does not reach the peak of the test, so that the pressure cannot reach the peak of the test, and the pressure release problem cannot be adjusted according to the peak pressure of the test.

Disclosure of Invention

The present utility model is directed to a pressure pipeline detection device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipeline under pressure detection device, includes the detector, the detector includes spliced pole, nut, threaded connection post, fixed column, fixed mounting has the nut below the spliced pole, fixed mounting has the fixed column below the nut, sealed gasbag has been cup jointed on the fixed column, fixed mounting has the decompression pipe on the spliced pole, sliding mounting has the piston in the decompression pipe, piston one side fixedly connected with return spring, return spring opposite side fixedly connected with regulating block, threaded column is installed to decompression intraductal rotation, threaded column and regulating block screw-thread fit.

Preferably, an air inflation hole is formed in the detector, a connector is fixedly arranged on the inner wall of the sealing air bag, and the connector is communicated with the inside of the air inflation hole.

Preferably, a valve core is fixedly arranged on the connecting column, and the valve core is communicated with the inside of the inflating hole.

Preferably, the lower end of the detector is provided with a communication hole, and the communication hole is communicated with the inside of the pressure relief pipe.

Preferably, a pressure detection rod is fixedly arranged in the detector, and a pressure gauge is fixedly arranged at the upper end of the pressure detection rod.

Preferably, the pressure relief pipe is provided with a pressure relief hole, the pressure relief hole is communicated with the inside of the pressure relief pipe, and one end of the threaded column is fixedly provided with a rotary grip.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotary threaded column can drive the adjusting block to move, the adjusting block can compress or release the return spring, so that the pressure required by pushing the piston to the pressure release hole is adjusted, the internal pressure of the pressure pipeline can be adjusted automatically according to the test pressure, and the device can adapt to detection of different types of pressure pipelines.

2. The valve core is connected with the air pump or the air cylinder, the air is pumped into the pumping hole through the valve core, the air is conveyed into the sealing air bag through the pumping hole, the sealing air bag can expand to seal the gap between the detector and the hole of the pressure pipeline, and the medium in the pressure pipeline is prevented from overflowing from the gap.

Drawings

FIG. 1 is a schematic view of the overall structure of the installation state of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a semi-sectional view of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a connecting column; 101. a screw cap; 102. a threaded connection post; 103. fixing the column; 104. air holes are formed; 105. a communication hole; 2. sealing the air bag; 201. a connector; 3. a pressure detecting rod; 301. a pressure gauge; 4. a valve core; 5. a pressure relief tube; 501. a pressure relief hole; 502. a piston; 503. a return spring; 504. an adjusting block; 505. a threaded column; 506. the handle is rotated.

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 pipeline under pressure detection device, including the detector, the detector includes spliced pole 1, nut 101, threaded connection post 102, fixed column 103, fixed mounting has nut 101 below the spliced pole 1, fixed mounting has fixed column 103 below the threaded connection post 102, sealed gasbag 2 has been cup jointed on the fixed column 103, fixed mounting has decompression pipe 5 on the spliced pole 1, sliding mounting has piston 502 in decompression pipe 5, piston 502 one side fixedly connected with return spring 503, return spring 503 opposite side fixedly connected with regulating block 504, threaded column 505 has been installed to decompression pipe 5 internal rotation, threaded column 505 and regulating block 504 screw-thread fit.

In this embodiment, through inside with the device screw in pressure pipe, afterwards to the inside certain air of blowing in of sealed gasbag 2, sealed gasbag 2 can expand the gap shutoff between detector and pressure pipe hole, fill the gap from inside, adopt the rubber buffer in the outside comparing, the leakproofness is better, rotatory screw thread post 505 can drive regulating block 504 and remove simultaneously, regulating block 504 removes the interval between can adjusting piston 502 and the regulating block 504, make the compression volume of return spring 503 change, thereby promote the pressure of piston 502 to pressure release hole 501 pressure release also can be along with changing, thereby can be according to the inside test peak pressure of pressure pipe, the adjustment pressure release when.

In order to achieve the purpose of inflating the sealed airbag 2, the device is realized by adopting the following technical scheme: an inflating hole 104 is formed in the detector, a connector 201 is fixedly arranged on the inner wall of the sealing air bag 2, the connector 201 is communicated with the inside of the inflating hole 104, a valve core 4 is fixedly arranged on the connecting column 1, the valve core 4 is communicated with the inside of the inflating hole 104, a communication hole 105 is formed in the lower end of the detector, and the communication hole 105 is communicated with the inside of the pressure relief pipe 5.

The inside of the inflation hole 104 can be filled with air through the valve core 4, the inflation hole 104 is communicated with the inside of the connector 201, so that air is conveyed to the inside of the sealed airbag 2, the communication hole 105 is communicated with the inside of the pressure relief pipe 5, and thus a medium in the pressure pipeline can enter the inside of the pressure relief pipe 5 through the communication hole 105.

The device is realized by adopting the following technical scheme for realizing the purposes of pressure relief and pressure testing: the pressure detection rod 3 is fixedly arranged in the detector, the pressure gauge 301 is fixedly arranged at the upper end of the pressure detection rod 3, the pressure relief pipe 5 is provided with a pressure relief hole 501, the pressure relief hole 501 is communicated with the interior of the pressure relief pipe 5, and a rotary grip 506 is fixedly arranged at one end of the threaded column 505.

Through the cooperation of pressure detection stick 3 and manometer 301, can detect the inside pressure of pressure pipeline, pressure release hole 501 communicates with each other with pressure release pipe 5 inside, can release pipeline inside medium through pressure release hole 501, and rotatory handle 506 can drive screw thread post 505 and rotate, and screw thread post 505 is rotatory can drive regulating block 504 and remove.

The working principle and the using flow of the utility model are as follows: when the device is used, the device is required to be placed at a proper position, the detector is installed on the connecting column 1, then the valve core 4 is connected with the air pump or the air cylinder, the air is pumped into the pumping hole 104 through the valve core 4, the air is conveyed into the sealing air bag 2 through the pumping hole 104, the sealing air bag 2 can expand to seal a gap between the detector and the hole of the pressure pipeline, then the rotating handle 506 is rotated to drive the threaded column 505 to rotate according to the test pressure of the pressure pipeline, the threaded column 505 is rotated to drive the regulating block 504 to move, the regulating block 504 can compress or release the return spring 503, so that the pressure required for pushing the piston 502 to the pressure release hole 501 is regulated, after the pipeline starts to be tested, the pressure detecting rod 3 is matched with the pressure gauge 301, the internal pressure of the pressure pipeline can be detected, after the internal pressure of the pipeline is overlarge, an internal medium can enter the pressure release pipe 5 through the communication hole 105, the piston 502 is pushed to compress the return spring 503, and finally the pressure of the pressure pipeline is released to the pressure pipeline through the pressure release hole 501.

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. A pressure pipe detection device comprising a detector, characterized in that: the detector comprises a connecting column (1), a screw cap (101), a threaded connecting column (102) and a fixed column (103), wherein the screw cap (101) is fixedly installed below the connecting column (1), the threaded connecting column (102) is fixedly installed below the screw cap (101), the fixed column (103) is fixedly installed below the threaded connecting column (102), a sealing airbag (2) is sleeved on the fixed column (103), a pressure relief pipe (5) is fixedly installed on the connecting column (1), a piston (502) is internally mounted in the pressure relief pipe (5), one side of the piston (502) is fixedly connected with a return spring (503), an adjusting block (504) is fixedly connected with the other side of the return spring (503), a threaded column (505) is rotationally installed below the pressure relief pipe (5), and the threaded column (505) is in threaded fit with the adjusting block (504).

2. A pressure pipe detection apparatus according to claim 1, wherein: an air inflation hole (104) is formed in the detector, a connector (201) is fixedly arranged on the inner wall of the sealing air bag (2), and the connector (201) is communicated with the inside of the air inflation hole (104).

3. A pressure pipe detection apparatus according to claim 2, wherein: the connecting column (1) is fixedly provided with a valve core (4), and the valve core (4) is communicated with the inside of the inflating hole (104).

4. A pressure pipe detection apparatus according to claim 1, wherein: the lower end of the detector is provided with a communication hole (105), and the communication hole (105) is communicated with the inside of the pressure relief pipe (5).

5. A pressure pipe detection apparatus according to claim 1, wherein: the pressure detector is characterized in that a pressure detection rod (3) is fixedly arranged in the detector, and a pressure gauge (301) is fixedly arranged at the upper end of the pressure detection rod (3).

6. A pressure pipe detection apparatus according to claim 1, wherein: the pressure relief pipe (5) is provided with a pressure relief hole (501), the pressure relief hole (501) is communicated with the inside of the pressure relief pipe (5), and one end of the threaded column (505) is fixedly provided with a rotary grip (506).