Pressure pipeline connection sealing detection device

Abstract

The utility model provides a pressure pipeline connection sealing detection device. Relates to the technical field of pressure pipeline monitoring. The device comprises a detection box, a pressure pipeline and a fixing mechanism, a pressure pipeline is arranged in the detection box, a detection mechanism is arranged in the detection box and connected with the pressure pipeline, three air nozzles are arranged on one side of the detection box, air pipes are connected to the three air nozzles, the same air pump is arranged at one ends of the three air pipes, and fixing mechanisms are arranged on the three air nozzles. The three fixing mechanisms are respectively connected with the three air pipes; the fixing mechanism comprises a rotating shaft, a clamping block, a trapezoidal block, a sliding block, a spring, a push ring and a torsional spring. The pressure pipeline connection sealing detection device provided by the utility model has the advantages that the air pipe and the air nozzle can be quickly disassembled and assembled through the cooperation of all the parts without the help of tools.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure pipeline monitoring technical field especially relates to a kind of for pressure pipeline connection sealing detection device. BACKGROUND

[0002] Pipeline is connected with valve and the like for conveying gas, liquid or fluid with solid particles by pipe, pipe coupling; usually, fluid is pressurized from high pressure of pipeline to low pressure by blower, compressor, pump and boiler etc., or it can be transported by its own pressure or gravity; the purpose of pipeline is very extensive, mainly used in water supply, drainage, heating, coal gas supply, long-distance transportation of oil and natural gas, irrigation, water conservancy projects and various industrial devices; sealing detection is needed for pipeline connection during pipeline production, so pressure pipeline connection sealing detection device is needed for sealing detection;

[0003] The connection between pipelines in the prior art can leak due to long-term use, which is not conducive to detection, causing economic losses, and is not conducive to sealing during detection, increasing the operation difficulty and reducing the accuracy of detection. To solve the above problems, the document with application number 202021502351.X discloses a pipeline connection sealing detection device, which comprises a shell, a first rubber air bag and a second rubber air bag. A through channel is provided on the shell. A first accommodating cavity, a detection cavity and a second accommodating cavity are sequentially arranged in the channel. A third air nozzle is provided on the shell at the position of the detection cavity. The first rubber air bag is accommodated in the first accommodating cavity. A first air nozzle is provided on the first rubber air bag. The first rubber air bag is provided with a first through hole for the pipeline to pass through. The second rubber air bag is accommodated in the second accommodating cavity. A second air nozzle is provided on the second rubber air bag. The second rubber air bag is provided with a second through hole for the pipeline to pass through.

[0004] However, after reading the above patent document, the following deficiencies are found: when in use, the air nozzle of the sealing detection device is connected to the air pipe of the air pump, and then the sealing of the pressure pipeline is detected. However, the existing connection is usually through flange or threaded joint, which complicates the disassembly and installation process, is time-consuming and labor-intensive, and requires additional tools for operation, thereby greatly reducing the convenience of disassembly and installation of the air pump and the sealing detection device, and there is room for improvement.

[0005] Therefore, the utility model provides a pressure pipeline connection sealing detection device to solve the above problems. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model provides a pressure pipeline connection sealing detection device, which comprises a detection box, a pressure pipeline and a fixing mechanism.

[0007] The detection box is provided with a pressure pipeline, a detection mechanism is arranged in the detection box and connected with the pressure pipeline, and three air nozzles are arranged on one side of the detection box, three air pipes are connected with the air nozzles, one end of the three air pipes is provided with a same air pump, a fixing mechanism is arranged on the three air nozzles, and the fixing mechanism is connected with the three air pipes;

[0008] The fixing mechanism comprises a rotating shaft, a clamping block, a trapezoidal block, a sliding block, a spring, a pushing ring and a torsional spring, two receiving grooves are formed in each of the three air nozzles, the rotating shaft is rotatably connected in each of the six receiving grooves, the clamping block is fixedly installed on the rotating shaft, the clamping block is clamped with the three air pipes, and the air nozzle, the air pipe and the fixing mechanism are cooperatively designed, so that the air pipe and the air nozzle can be quickly disassembled without the aid of tools, and the convenience and efficiency are greatly improved.

[0009] Preferably, two clamping grooves are formed in one end of the three air pipes, the clamping block is clamped with the six clamping grooves, and the clamping block moves in the six receiving grooves, so that the air pipe is limited and fixed through the interaction between the clamping block and the clamping groove.

[0010] Preferably, the torsional spring is fixedly sleeved on the rotating shaft, one end of the torsional spring is fixedly connected with the air nozzle, and the clamping block is restored to the original state through the action force of the torsional spring, so that the clamping block and the clamping groove are connected.

[0011] Preferably, the trapezoidal block is in contact connection with the clamping block, the trapezoidal block is in sliding connection with the air nozzle, one end of the trapezoidal block is fixedly connected with the sliding block, and the sliding block is in sliding connection with the air nozzle, so that the clamping block is limited through the blocking of the trapezoidal block, and the air pipe is further limited.

[0012] Preferably, the spring is fixedly installed on one side of the sliding block, and one end of the spring is fixedly connected with the air nozzle, so that the trapezoidal block is restored to the original state through the action force of the spring.

[0013] Preferably, the pushing ring is slidably sleeved on the air nozzle, and the sliding block is fixedly connected with the pushing ring, so as to facilitate the staff to push the sliding block.

[0014] Preferably, one end of the three air nozzles is connected with the detection mechanism, gas is conveyed to the detection mechanism through the action of the three air nozzles, a valve is arranged on each of the three air pipes, the opening and closing of the air pipe is adjusted, a sealing gasket one is arranged at one end of each of the three air pipes, a sealing gasket two is fixedly installed in each of the three air nozzles, and the three sealing gaskets one are in close contact with the three sealing gaskets two to improve the sealing performance.

[0015] Compared with the related art, the pressure pipeline connection sealing detection device has the following beneficial effects:

[0016] The pressure pipeline connection sealing detection device has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0018] Figure 2 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0019] Figure 3 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0020] Figure 4 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0021] Figure 5 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0022] Figure 6 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0023] Reference signs in the drawings: 1, detection box; 2, pressure pipeline; 3, air cock; 4, air pipe; 5, air pump; 6, fixing mechanism; 7, clamping groove; 61, rotating shaft; 62, clamping block; 63, trapezoidal block; 64, sliding block; 65, spring; 66, push ring; 67, torsional spring. DETAILED DESCRIPTION

[0024] The pressure pipeline connection sealing detection device has the following beneficial effects:

[0025] Please refer to Figures 1-6 The pressure pipeline connection sealing detection device has the following beneficial effects:

[0026] The detection box 1 is provided with a pressure pipeline 2, a detection mechanism is arranged in the detection box 1 and connected with the pressure pipeline 2, three air nozzles 3 are arranged on one side of the detection box 1, air pipes 4 are connected with the three air nozzles 3, one end of the three air pipes 4 is provided with a same air pump 5, fixing mechanisms 6 are arranged on the three air nozzles 3 and connected with the three air pipes 4 respectively; the detection mechanism comprises a first rubber air bag, a second rubber air bag and a detection cavity, one end of the three air nozzles 3 is sealingly connected with the first rubber air bag, the second rubber air bag and the detection cavity respectively, the first rubber air bag and the second rubber air bag are inflated and expanded, the inner circle of the first rubber air bag and the second rubber air bag is tightly attached to the pipeline, and the outer circle is tightly attached to the inner wall of the shell body, a closed space is formed in the detection cavity, the gas in the detection cavity is pumped out by the air pump, and whether the sealing performance of the pipeline connection part meets the requirements is observed and judged by observing the air pressure gauge, and the specific structure and working principle of the detection mechanism can be referred to the document with the application number 202021502351.X, which is prior art and will not be described in detail.

[0027] The fixing mechanism 6 comprises a rotating shaft 61, a clamping block 62, a trapezoidal block 63, a sliding block 64, a spring 65, a pushing ring 66 and a torsional spring 67, two receiving grooves are arranged on each of the three air nozzles 3, the rotating shaft 61 is rotatably connected in the six receiving grooves, the clamping block 62 is fixedly installed on the six rotating shafts 61, the six clamping blocks 62 are clamped with the three air pipes 4 respectively, and the air nozzles 3, the air pipes 4 and the fixing mechanisms 6 are cooperatively designed, so that the air pipes 4 and the air nozzles 3 can be quickly disassembled and assembled without the aid of tools, and the convenience and efficiency are greatly improved.

[0028] In the mode, two clamping grooves 7 are arranged on one end of each of the three air pipes 4, the six clamping blocks 62 are clamped with the six clamping grooves 7 respectively, and the six clamping blocks 62 move in the six receiving grooves respectively, and the clamping blocks 62 and the clamping grooves 7 interact with each other, so that the air pipes 4 are limited and fixed.

[0029] In the mode, the torsional spring 67 is fixedly sleeved on the rotating shaft 61, one end of the torsional spring 67 is fixedly connected with the air nozzle 3, the clamping block 62 is restored to the original state through the action force of the torsional spring 67, and the clamping block 62 is connected with the clamping groove 7.

[0030] In the mode, the trapezoidal block 63 is in contact connection with the clamping block 62, the trapezoidal block 63 is slidingly connected with the air nozzle 3, one end of the trapezoidal block 63 is fixedly connected with the sliding block 64, and the sliding block 64 is slidingly connected with the air nozzle 3, the clamping block 62 is limited through the blocking of the trapezoidal block 63, so that the clamping block 62 is limited, and the air pipe 4 is further limited.

[0031] In the mode, the spring 65 is fixedly installed on one side of the sliding block 64, one end of the spring 65 is fixedly connected with the air nozzle 3, and the trapezoidal block 63 is restored to the original state through the action force of the spring 65.

[0032] In the mode, the push ring 66 is sleeved on the air nozzle 3, the sliding block 64 is fixedly connected with the push ring 66, and the sliding block 64 is convenient for being pushed by the staff.

[0033] In the mode, one end of the three air nozzles 3 is connected with the detection mechanism, the detection mechanism is supplied with gas through the action of the three air nozzles 3, the three air pipes 4 are all provided with valves, the opening and closing of the air pipes 4 are adjusted, one end of the three air pipes 4 is provided with a sealing gasket one, the three air nozzles 3 are all fixedly provided with sealing gaskets two, the three sealing gaskets one are in close contact with the three sealing gaskets two respectively, and the sealing property is improved.

[0034] The working principle of the pressure pipeline connection sealing detection device is as follows:

[0035] In use, firstly, the push ring 66 is pushed, the trapezoidal block 63 is driven to shrink into the sliding groove one on the air nozzle 3 through the transmission of the sliding block 64, the spring 65 is compressed, the blocking and limiting of the clamping block 62 are released, then, the clamping groove 7 at one end of the air pipe 4 is corresponded to the clamping block 62, the air pipe 4 is inserted into the air nozzle 3, the clamping block 62 is clamped with the clamping groove 7, in the process, one end of the air pipe 4 acts on the clamping block 62, the clamping block 62 rotates around the rotation shaft 61 and is accommodated into the accommodation groove on the air nozzle 3, and the torsional spring 67 is rotated and stored energy, when the clamping groove 7 is corresponded to the clamping block 62, the clamping block 62 is clamped with the clamping groove 7 through the action force of the torsional spring 67, at this moment, the air pipe 4 is limited and fixed through the interaction between the clamping block 62 and the clamping groove 7.

[0036] Then, the push ring 66 is loosened, the trapezoidal block 63 moves to the clamping block 62 through the action force of the spring 65 and the transmission of the sliding block 64, the trapezoidal block 63 contacts the clamping block 62, at this moment, the clamping block 62 is limited through the blocking of the trapezoidal block 63.

[0037] When the air pipe 4 is disassembled, the trapezoidal block 63 is separated from the clamping block 62 by pushing the push ring 66, then the air pipe 4 is rotated by a certain angle and the clamping block 62 is moved into the accommodation groove, in the process, the air pipe 4 acts on the clamping block 62 and pushes the clamping block 62 into the accommodation groove, and the clamping block 62 is separated from the clamping groove 7, thereby achieving the purpose of releasing the limitation of the air pipe 4, then the air pipe 4 is pulled out of the air nozzle 3, thereby achieving the effect of quickly disassembling the air nozzle 3 and the air pipe 4.

[0038] Compared with the related art, the pressure pipeline connection sealing detection device has the following beneficial effects: through the cooperation of various components, the air pipe 4 and the air nozzle 3 can be quickly disassembled without the aid of tools, the convenience and efficiency are improved, the structure is simple, and the practicability is higher.

[0039] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A device for detecting a seal of a pressure pipe connection, characterized in that Including detection box (1), pressure pipeline (2) and fixing mechanism (6); The detection box (1) is provided with a pressure pipeline (2), and a detection mechanism is arranged in the detection box (1) and connected with the pressure pipeline (2); one side of the detection box (1) is provided with three air nozzles (3), the three air nozzles (3) are connected with air pipes (4), one end of the three air pipes (4) is provided with a same air pump (5), the three air nozzles (3) are provided with fixing mechanisms (6), and the three fixing mechanisms (6) are connected with the three air pipes (4) respectively. The fixing mechanism (6) comprises a rotating shaft (61), a clamping block (62), a trapezoidal block (63), a sliding block (64), a spring (65), a push ring (66) and a torsional spring (67), two receiving grooves are formed in each of the three air nozzles (3), the rotating shaft (61) is rotatably connected in each of the six receiving grooves, the clamping block (62) is fixedly installed on the rotating shaft (61), and the clamping block (62) is clamped with the air pipe (4).

2. A device for detecting a leak in a connection of a pressure pipe according to claim 1, characterized in that One end of the air pipe (4) is provided with two clamping grooves (7), and the clamping block (62) is clamped with the clamping groove (7).

3. A device for detecting leaks in a pressure pipe connection according to claim 1, characterized in that The torsional spring (67) is fixedly connected to the air nozzle (3).

4. A device for detecting leaks in a pressure pipe connection according to claim 2, characterized in that The trapezoidal block (63) is connected with the clamping block (62), the trapezoidal block (63) is slidably connected with the air nozzle (3), one end of the trapezoidal block (63) is fixedly connected with the sliding block (64), and the sliding block (64) is slidably connected with the air nozzle (3).

5. A device for detecting leaks in a pressure pipe connection according to claim 4, characterized in that The air nozzle (3) is provided with a sliding groove one corresponding to the receiving groove, and the sliding block (64) and the trapezoidal block (63) slide in the sliding groove one.

6. A device for detecting leaks in a pressure pipe connection according to claim 4, characterized in that One side of the sliding block (64) is fixedly provided with the spring (65), and one end of the spring (65) is fixedly connected with the air nozzle (3).

7. A device for detecting leaks in a pressure pipe connection according to claim 6, characterized in that The push ring (66) is slidably connected with the air nozzle (3), and the sliding block (64) is fixedly connected with the push ring (66).

8. A device for detecting leaks in a pressure pipe connection according to claim 1, characterized in that One end of the air nozzle (3) is connected with the detection mechanism, the air pipe (4) is provided with a valve, one end of the air pipe (4) is provided with a sealing gasket one, the air nozzle (3) is fixedly provided with a sealing gasket two, and the sealing gasket one is in close contact with the sealing gasket two.

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