Leak detection machine for external thread pipe fitting joint

Abstract

The utility model relates to the technical field of external thread pipe fitting joints, in particular to an external thread pipe fitting joint leak detection machine which comprises an operation table, a side plate is fixedly connected to the edge of the top end of the operation table, a hydraulic rod is fixedly connected to one side of the side plate, and a connecting rod is slidably connected to the end, away from the side plate, of the hydraulic rod. According to the utility model, through the arrangement of the hydraulic rod, the connecting rod, the hydraulic plate, the rubber pad, the external thread pipe joint, the fixing head, the pipeline, the carbon dioxide inflator pump, the carbon dioxide detector, the detection head, the hydraulic pipe, the hydraulic pump and other components, firstly, the external thread pipe joint is connected with the fixing head; then a hydraulic pump pressurizes a hydraulic rod through a hydraulic pipe, the hydraulic rod drives a connecting rod, a hydraulic plate and a rubber pad to extrude the other end of the external thread pipe joint, and the external thread pipe joint can be tightly attached to the hydraulic plate under the action of the rubber pad to prevent air leakage.

Description

Technical Field

[0001] The utility model relates to the technical field of external thread pipe fitting joints, in particular to an external thread pipe fitting joint leakage detection machine. Background Art

[0002] The male thread pipe fitting is a connection tool between pipes. It is a joint with external threads at the joint, so it is called a male thread joint. The male thread joint is a detachable connection point between components and pipes. It plays an indispensable and important role in pipe fittings. It is one of the two main components of hydraulic pipelines. Therefore, the sealing shape of the pipe fitting joint is an important criterion for measuring the pipe fitting joint.

[0003] At present, some external thread pipe fittings joint leak detection machines inject gas into the joint, then put it into water, and observe whether bubbles are generated in the water to determine whether there is a leak in the pipe fittings joint. After working for a long time, the human eye will produce visual fatigue, which may lead to misjudgment and cause unnecessary trouble; At present, some external thread pipe fittings joint leak detection machines can only test a single model of external thread pipe fittings joints and cannot effectively match all models. Therefore, a external thread pipe fittings joint leak detection machine is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a leak detection machine for external thread pipe fitting joints to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A leak detector for external thread pipe fittings, comprising an operating table, a side plate fixedly connected at the top edge of the operating table, a hydraulic rod fixedly connected to one side of the side plate, an end of the hydraulic rod away from the side plate is slidably connected to a connecting rod, an end of the connecting rod away from the hydraulic rod is fixedly connected to a hydraulic plate, an end of the hydraulic plate away from the connecting rod is fixedly connected to a rubber pad, a pipe is penetrated and connected to one side of another side plate, an end of the pipe away from the side plate is fixedly connected to a quick connector, an end of the quick connector away from the pipe is snap-connected to a fixed head, an end of the fixed head away from the quick connector is spirally connected to an external thread pipe connector, an end of the pipe away from the quick connector is fixedly connected to a carbon dioxide inflation pump, an end of the hydraulic rod away from the connecting rod is fixedly connected to a hydraulic pipe penetrating the side plate, an end of the hydraulic pipe away from the hydraulic rod is fixedly connected to a hydraulic pump, a fixed frame is fixedly connected to the middle position of the top of the operating table, a carbon dioxide detector is fixedly connected to the top of the fixed frame, a detection head is fixedly connected to one side of the carbon dioxide detector, a connecting leg is fixedly connected to the bottom end of the operating table, and a bottom end of the connecting leg is fixedly connected to a bottom plate.

[0007] Preferably, a fixing hole is provided at the top of the operating table.

[0008] Preferably, the bottom ends of the carbon dioxide inflation pump and the hydraulic pump are both fixedly connected to the bottom plate.

[0009] Preferably, one end of the rubber pad away from the hydraulic plate is fitted and connected to the external wire pipe joint.

[0010] Preferably, there are several fixing holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, by setting the hydraulic rod, connecting rod, hydraulic plate, rubber pad, outer pipe joint, fixed head, pipeline, carbon dioxide gas pump, carbon dioxide detector, detection head, hydraulic pipe and hydraulic pump and other components, firstly, the outer pipe joint is connected to the fixed head, and then the hydraulic pump pressurizes the hydraulic rod through the hydraulic pipe, and the hydraulic rod drives the connecting rod, hydraulic plate and rubber pad to squeeze the other end of the outer pipe joint. Under the action of the rubber pad, the outer pipe joint and the hydraulic plate can be closely fitted to prevent air leakage, and then the carbon dioxide gas pump injects carbon dioxide into the outer pipe joint through the pipeline, quick connector and fixed head, and then the carbon dioxide detector monitors the outer pipe joint through the detection head. If the carbon dioxide content is abnormal, the carbon dioxide detector will issue a prompt alarm, indicating that the outer pipe joint has a leak, thereby solving the problem that the existing outer pipe joint leak detector injects gas into the joint, then puts it into water, and judges whether the pipe joint has a leak by observing whether bubbles are generated in the water with the eyes. After working for a long time, the human eye will produce visual fatigue, misjudgment will occur, and unnecessary trouble will be caused;

[0013] 2. In the utility model, by providing components such as quick connectors and fixed heads, the fixed heads can be quickly replaced according to different sizes of external pipe connectors through the quick connectors, thereby solving the problem that existing external pipe connector leak detection machines can only test a single model of external pipe connectors and cannot effectively match all models;

[0014] 3. In the present invention, by providing fixing holes and other components, the replacement fixing heads can be stored, which makes it convenient to take fixing heads of different sizes and prevents the fixing heads from being lost due to being placed randomly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model from top view.

[0017] In the figure: 1. operating table; 2. side panel; 3. hydraulic rod; 4. connecting rod; 5. hydraulic plate; 6. rubber pad; 7. external thread pipe joint; 8. fixing head; 9. quick connector; 10. pipeline; 11. carbon dioxide inflation pump; 12. hydraulic pipe; 13. hydraulic pump; 14. fixing hole; 15. fixing frame; 16. carbon dioxide detector; 17. detection head; 18. bottom plate; 19. connecting leg. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0021] See also Figure 1-2 , the utility model provides a technical solution:

[0022] A leak detection machine for external thread pipe fittings, comprising an operating table 1, a side plate 2 is fixedly connected to the top edge of the operating table 1, a hydraulic rod 3 is fixedly connected to one side of the side plate 2, a connecting rod 4 is slidably connected to one end of the hydraulic rod 3 away from the side plate 2, a hydraulic plate 5 is fixedly connected to one end of the connecting rod 4 away from the hydraulic rod 3, a rubber pad 6 is fixedly connected to one end of the hydraulic plate 5 away from the connecting rod 4, a pipe 10 is penetrated and connected to one side of the other side plate 2, a quick connector 9 is fixedly connected to one end of the pipe 10 away from the side plate 2, a fixed head 8 is snap-connected to one end of the quick connector 9 away from the pipe 10, and an end of the fixed head 8 away from the quick connector 9 is connected to the fixed head 8. An external thread pipe joint 7 is spirally connected, one end of the pipe 10 away from the quick connector 9 is fixedly connected to a carbon dioxide inflation pump 11, one end of the hydraulic rod 3 away from the connecting rod 4 is fixedly connected to a hydraulic pipe 12 that penetrates the side panel 2, and one end of the hydraulic pipe 12 away from the hydraulic rod 3 is fixedly connected to a hydraulic pump 13, a fixing frame 15 is fixedly connected to the middle position of the top of the operating platform 1, a carbon dioxide detector 16 is fixedly connected to the top of the fixing frame 15, a detection head 17 is fixedly connected to one side of the carbon dioxide detector 16, a connecting leg 19 is fixedly connected to the bottom end of the operating platform 1, and a bottom plate 18 is fixedly connected to the bottom end of the connecting leg 19.

[0023] A fixing hole 14 is provided at the top of the operating table 1, the bottom ends of the carbon dioxide inflation pump 11 and the hydraulic pump 13 are fixedly connected to the bottom plate 18, and the end of the rubber pad 6 away from the hydraulic plate 5 is fitted and connected to the external wire pipe joint 7, and the number of the fixing holes 14 is several.

[0024] Workflow: When leak detection of the outer pipe joint is required, power is supplied by an external power supply. The quick connector 9 and the carbon dioxide detector 16 are both prior arts. First, the outer pipe joint 7 is spirally connected to the fixed head 8, and then the hydraulic pump 13 pressurizes the hydraulic rod 3 through the hydraulic pipe 12. The hydraulic rod 3 drives the connecting rod 4, the hydraulic plate 5 and the rubber pad 6 to squeeze the other end of the outer pipe joint 7. Under the action of the rubber pad 6, the outer pipe joint 7 and the hydraulic plate 5 can be tightly fitted to prevent air leakage. Then the carbon dioxide inflation pump 11 injects carbon dioxide into the outer pipe joint 7 through the pipeline 10, the quick connector 9 and the fixed head 8. Then the carbon dioxide detector 16 monitors the surrounding area of ​​the outer pipe joint 7 through the detection head 17 to monitor whether there is any carbon dioxide leakage. For outer pipe joints 7 of different sizes, the fixed head 8 of the corresponding size can be taken from the fixing hole 14, and the original fixed head 8 can be dropped by pulling the fixer on the quick connector 9. The fixed head 8 of the appropriate size is aligned with the notch of the quick connector 9, and then the fixer on the quick connector 9 can be released to complete the quick replacement of the fixed head 8.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leak detection machine for external thread pipe fittings, comprising an operating table (1), characterized in that: A side plate (2) is fixedly connected to the top edge of the operating table (1), a hydraulic rod (3) is fixedly connected to one side of the side plate (2), an end of the hydraulic rod (3) away from the side plate (2) is slidably connected to a connecting rod (4), an end of the connecting rod (4) away from the hydraulic rod (3) is fixedly connected to a hydraulic plate (5), an end of the hydraulic plate (5) away from the connecting rod (4) is fixedly connected to a rubber pad (6), a pipe (10) is passed through one side of the other side plate (2), an end of the pipe (10) away from the side plate (2) is fixedly connected to a quick connector (9), an end of the quick connector (9) away from the pipe (10) is snap-connected to a fixed head (8), and an end of the fixed head (8) away from the quick connector (9) is spirally connected to an outer The pipe connector (7) is fixedly connected to a carbon dioxide gas pump (11) at one end of the pipe (10) away from the quick connector (9); the hydraulic rod (3) is fixedly connected to a hydraulic pipe (12) penetrating the side plate (2) at one end of the connecting rod (4); the hydraulic pipe (12) is fixedly connected to a hydraulic pump (13) at one end of the hydraulic rod (3); a fixing frame (15) is fixedly connected to the middle position of the top of the operating table (1); a carbon dioxide detector (16) is fixedly connected to the top of the fixing frame (15); a detection head (17) is fixedly connected to one side of the carbon dioxide detector (16); a connecting leg (19) is fixedly connected to the bottom of the connecting leg (19); and a bottom plate (18) is fixedly connected to the bottom.

2. The external thread pipe fitting joint leak detection machine according to claim 1, characterized in that: The top of the operating table (1) is provided with a fixing hole (14).

3. The external thread pipe joint leak detection machine according to claim 1, characterized in that: The bottom ends of the carbon dioxide inflation pump (11) and the hydraulic pump (13) are both fixedly connected to the bottom plate (18).

4. The external thread pipe fitting joint leak detection machine according to claim 1, characterized in that: One end of the rubber pad (6) away from the hydraulic plate (5) is fitted and connected to the external wire pipe joint (7).

5. The external thread pipe joint leak detection machine according to claim 2, characterized in that: The number of the fixing holes (14) is multiple.

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