Air tightness detection machine

Abstract

The utility model discloses an air tightness detection machine, and relates to the technical field of hardware air tightness detection. The device comprises a water tank, the right side of the water tank is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a bidirectional threaded rod through a coupler, the bidirectional threaded rod is in threaded connection with two internal threaded blocks, and the inner wall of the water tank is fixedly connected with two sliding rods. According to the T-shaped three-way pipe lifting device, automatic lifting of the T-shaped three-way pipe is achieved through the detection mechanism, the situation that when the T-shaped three-way pipe is manually placed, the height and the position of each time of operation are inconsistent is avoided, and meanwhile when the T-shaped three-way pipe is manually lifted and the hand action of a person shakes, the work efficiency is greatly improved. The T-shaped three-way pipe fitting can collide with the inner wall of the water tank or is placed at an inaccurate position in a sealed state, so that detection is affected, and automatic lifting ensures the position accuracy of the T-shaped three-way pipe fitting during detection and greatly reduces the labor intensity of manual operation at the same time.

Description

Technical Field

[0001] The utility model belongs to the technical field of air tightness detection of hardware parts, in particular to an air tightness detection machine. Background Art

[0002] T-shaped three-way pipe fittings are a common pipe connector. They have three interfaces distributed in a T shape. They are made of various materials and are widely used in fluid transportation systems. They can connect and divert the main pipe and branch pipes. Therefore, it is particularly important to detect the sealing of T-shaped three-way pipe fittings. Common methods include water pressure test and air tightness test. The water pressure test is to pressurize the pipe by injecting water into the pipe to check for leakage. The air tightness test is to fill the pipe with specific gas and use professional instruments to detect pressure changes. This can ensure that there is no gas leakage problem in the use of T-shaped three-way pipe fittings, ensuring the safe and stable operation of the pipeline system.

[0003] Existing air tightness testing devices usually use manual operation to put the T-shaped three-way pipe into and out of the water tank during testing, which makes it inconvenient to automatically put the T-shaped three-way pipe into and out of the water tank, making the work more cumbersome and labor-intensive, and cannot ensure that the test object is stably placed in the correct testing position. Utility Model Content

[0004] The utility model aims to provide an air tightness testing machine, which solves the problem that the existing air tightness testing device is inconvenient to automatically put and take out the T-shaped three-way pipe fitting into and out of the water tank during testing by providing a moving component.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is an airtightness detection machine, comprising a detection platform, on which a detection mechanism and a fixing mechanism are arranged.

[0007] The detection mechanism includes a moving component and a detection component, the moving component includes a water tank fixedly connected to the top of the detection platform, the right side of the water tank is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a bidirectional threaded rod through a shaft coupling, the bidirectional threaded rod is threaded with two internal threaded blocks, the inner wall of the water tank is fixedly connected to two sliding rods, the two internal threaded blocks are slidably connected to the two sliding rods, the tops of the two internal threaded blocks are hinged with a connecting plate 1, the two connecting plates are hinged with a support plate on the side away from the bidirectional threaded rod, the tops of the two support plates are fixedly connected with a placement plate, and the top of the placement plate is provided with a T-shaped three-way pipe fitting.

[0008] Furthermore, the detection assembly includes a top plate fixedly connected to the top of the detection platform, an air pump is fixedly connected to the top of the top plate, a connecting pipe is fixedly connected to the left side of the air pump, and the end of the connecting pipe away from the air pump passes through the top plate and is fixedly connected to the top plate.

[0009] Furthermore, the end of the connecting pipe away from the air pump is fixedly connected to a hose, the inner wall of the T-shaped three-way pipe fitting is slidably connected to a sealing block, the end of the hose away from the connecting pipe is fixedly connected to the sealing block, the inner bottom wall of the water tank is fixedly connected to several limit rods, and the placement plate is slidably connected to the several limit rods.

[0010] Furthermore, the fixing mechanism includes two rotating shafts rotatably connected to the bottom of the placement plate, and worm gears are fixedly connected to the two rotating shafts.

[0011] Furthermore, the bottom of the placement plate is rotatably connected to a worm, the two worm wheels are engaged with the worm, and the front end of the worm is fixedly connected to a knob.

[0012] Furthermore, a second limiting rod is fixedly connected between the two support plates, and two movable plates are slidably connected to the second limiting rod.

[0013] Furthermore, a diamond block is fixedly connected to each of the two rotating shafts, and a connecting plate 2 is rotatably connected between each of the two diamond blocks and the movable plate.

[0014] Furthermore, a plurality of slide grooves are provided on the top of the placement plate, the tops of the two movable plates extend to the top of the placement plate and are slidably connected to the corresponding slide grooves, and the tops of the two movable plates are fixedly connected to a sealing plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting up a detection mechanism, starting the motor, the motor drives the two-way threaded rod to rotate, and when the two-way threaded rod rotates, it drives the internal thread block to slide on the slide rod, and when the internal thread block moves, it drives the connecting plate to move, and when the connecting plate moves, it drives the placement plate to move through the support plate, and when the placement plate moves, it drives the T-shaped three-way pipe fitting to move. The automatic lifting of the T-shaped three-way pipe fitting is realized through the detection mechanism, avoiding manual placement of the T-shaped three-way pipe fitting, and the height and position of each operation are inconsistent. At the same time, when the T-shaped three-way pipe fitting is manually lifted and lowered, if the human hand shakes, the T-shaped three-way pipe fitting may collide with the inner wall of the water tank, or the placement position may be inaccurate in the sealed state, thereby affecting the detection. Automatic lifting ensures the position accuracy of the T-shaped three-way pipe fitting during detection while greatly reducing the labor intensity of manual operation.

[0017] 2. By setting a fixing mechanism and turning the knob, the worm is driven to rotate when the knob is turned, which drives the worm wheel to rotate when the worm is turned, which drives the rotating shaft to rotate when the worm wheel is turned, which drives the diamond block to rotate when the rotating shaft is turned, which drives the connecting plate 2 to move when the diamond block rotates, which drives the moving plate to slide on the limit rod 2 when the connecting plate 2 moves, and which drives the sealing plate to move when the moving plate moves. The fixing mechanism prevents the T-shaped three-way pipe fitting from moving during the inspection process, thereby affecting the sealing effect and causing gaps in the originally well-sealed interface, resulting in gas leakage, which in turn affects the inspection results. At the same time, it can ensure that the position of the T-shaped three-way pipe fitting in the water is relatively stable, so that the position where the bubble is generated can accurately reflect the leakage point of the T-shaped three-way pipe fitting, which is convenient for the inspection personnel to observe and record, and avoids the bubbles generated by the shaking of the T-shaped three-way pipe fitting from interfering with the inspection personnel's judgment.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0022] Figure 3 This is a schematic structural diagram of the water tank of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the motor of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the worm of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1. Inspection table; 2. Inspection mechanism; 3. Fixing mechanism; 21. Water tank; 22. Motor; 23. Bidirectional threaded rod; 24. Internal thread block; 25. Sliding rod; 26. Connecting plate 1; 27. Placement plate; 28. T-shaped three-way pipe fitting; 29. ​​Top plate; 210. Air pump; 211. Connecting pipe; 212. Hose; 213. Sealing block; 214. Support plate; 215. Limiting rod 1; 31. Rotating shaft; 32. Worm gear; 33. Worm; 34. Knob; 35. Limiting rod 2; 36. Moving plate; 37. Diamond block; 38. Connecting plate 2; 39. Slide; 310. Sealing plate. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-5As shown, the utility model is an airtightness testing machine, including a testing platform 1, a testing mechanism 2 and a fixing mechanism 3 are provided on the testing platform 1, the testing mechanism 2 includes a moving component and a testing component, the moving component includes a water tank 21 fixedly connected to the top of the testing platform 1, a motor 22 is fixedly connected to the right side of the water tank 21, the output shaft of the motor 22 is fixedly connected to a bidirectional threaded rod 23 through a shaft coupling, the bidirectional threaded rod 23 is threadedly connected to two internal thread blocks 24, the inner wall of the water tank 21 is fixedly connected to two sliding rods 25, two The internal thread blocks 24 are slidably connected to the two sliding rods 25. The tops of the two internal thread blocks 24 are hinged with a connecting plate 26. The two connecting plates 26 are hinged with a support plate 214 on the side away from the two-way threaded rod 23. The tops of the two support plates 214 are fixedly connected with a placement plate 27. The top of the placement plate 27 is provided with a T-shaped three-way pipe fitting 28. The detection assembly includes a top plate 29 fixedly connected to the top of the detection table 1. The top of the top plate 29 is fixedly connected to the air pump 210. The left side of the air pump 210 is fixedly connected to the connecting pipe 21 1. The end of the connecting pipe 211 away from the air pump 210 passes through the top plate 29 and is fixedly connected to the top plate 29. The end of the connecting pipe 211 away from the air pump 210 is fixedly connected to a hose 212. The inner wall of the T-shaped three-way pipe fitting 28 is slidably connected to a sealing block 213. The end of the hose 212 away from the connecting pipe 211 is fixedly connected to the sealing block 213. The inner bottom wall of the water tank 21 is fixedly connected to a plurality of limit rods 215. The placement plate 27 is slidably connected to the plurality of limit rods 215. The T-shaped three-way pipe fitting 28 is fixedly connected to the inner bottom wall of the water tank 21. The automatic lifting of the pipe fitting 28 avoids the situation that the height and position of the T-shaped three-way pipe fitting 28 are inconsistent each time the T-shaped three-way pipe fitting 28 is manually placed. At the same time, when the T-shaped three-way pipe fitting 28 is manually lifted, if the person's hand shakes, the T-shaped three-way pipe fitting 28 may collide with the inner wall of the water tank 21, or the placement position in the sealed state may be inaccurate, thereby affecting the detection. The automatic lifting ensures the position accuracy of the T-shaped three-way pipe fitting 28 during detection while greatly reducing the labor intensity during manual operation.

[0029] The fixing mechanism 3 includes two rotating shafts 31 rotatably connected to the bottom of the placement plate 27, and worm gears 32 are fixedly connected to the two rotating shafts 31. A worm 33 is rotatably connected to the bottom of the placement plate 27. The two worm gears 32 are meshed with the worm 33. The front end of the worm 33 is fixedly connected to a knob 34. A limit rod 2 35 is fixedly connected between the two support plates 214. Two movable plates 36 are slidably connected to the limit rod 2 35. Diamond blocks 37 are fixedly connected to the two rotating shafts 31. A connecting plate 2 38 is rotatably connected between the two diamond blocks 37 and the movable plate 36. A plurality of slide grooves 39 are provided on the top of the placement plate 27. The tops of the two movable plates 36 They both extend to the top of the placement plate 27 and are slidably connected to the corresponding slide groove 39. The tops of the two movable plates 36 are fixedly connected with a sealing plate 310. The fixing mechanism 3 is used to prevent the T-shaped three-way pipe fitting 28 from moving during the detection process, thereby affecting the sealing effect, causing gaps in the originally well-sealed interface, resulting in gas leakage, and thus affecting the detection results. At the same time, it can ensure that the position of the T-shaped three-way pipe fitting 28 in the water is relatively stable, so that the position where the bubbles are generated can accurately reflect the leakage point of the T-shaped three-way pipe fitting 28, which is convenient for the detection personnel to observe and record, and avoids the bubbles generated by the shaking of the T-shaped three-way pipe fitting 28 from interfering with the judgment of the detection personnel.

[0030] A specific application of this embodiment is as follows: start the motor 22, the motor 22 drives the bidirectional threaded rod 23 to rotate, and when the bidirectional threaded rod 23 rotates, it drives the internal thread block 24 to slide on the slide bar 25, and the slide bar 25 limits the internal thread block 24, converting the rotational motion of the internal thread block 24 into a linear motion, and when the internal thread block 24 moves, it drives the connecting plate 1 26 to move, and when the connecting plate 1 26 moves, it drives the placement plate 27 to move through the support plate 214, and when the placement plate 27 moves, it drives the T-shaped three-way pipe fitting 28 to move, and then when the T-shaped three-way pipe fitting 28 is tested, the T-shaped three-way pipe fitting 28 is moved to the inside of the water tank 21, and is moved out of the water surface in the water tank 21 when the test is completed, so as to The labor intensity of manual operation is reduced, and at the same time, the movement of the placement plate 27 is guided and limited by the limit rod 215 to avoid deviation of the movement path of the placement plate 27. When the T-shaped three-way pipe fitting 28 is completely immersed in the water surface in the water tank 21, the air pump 210 is started, and the air pump 210 inputs gas into the hose 212 through the connecting pipe 211. The hose 212 adapts to the moving height of the T-shaped three-way pipe fitting 28, so that the hose 212 can follow the movement of the T-shaped three-way pipe fitting 28, and the gas entering the hose 212 is passed into the T-shaped three-way pipe fitting 28. When the gas enters the T-shaped three-way pipe fitting 28, it is judged whether the T-shaped three-way pipe fitting 28 is sealed by observing whether bubbles are generated.

[0031] When the T-shaped three-way pipe fitting 28 is placed on the top of the placement plate 27, the knob 34 is turned. When the knob 34 is rotated, the worm 33 is driven to rotate. When the worm 33 rotates, the worm gear 32 is driven to rotate. When the worm gear 32 rotates, the rotating shaft 31 is driven to rotate. When the rotating shaft 31 rotates, the diamond block 37 is driven. When the diamond block 37 rotates, the connecting plate 2 38 is driven to move. When the connecting plate 2 38 moves, the movable plate 36 is driven to slide on the limiting rod 2 35. When the movable plate 36 moves, the sealing plate 310 is driven to move, and then the T-shaped three-way pipe fitting 28 is clamped and fixed by the sealing plate 310. The sealing plate 310 is in close contact with the connecting plate 2 38 while clamping and fixing the connecting plate 2 38, thereby sealing the port where the connecting plate 2 38 contacts the sealing plate 310, thereby cooperating with the sealing block 213 to form a complete seal for the T-shaped three-way pipe fitting 28.

[0032] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An airtightness testing machine, comprising a testing platform (1), wherein the testing platform (1) is provided with a testing mechanism (2) and a fixing mechanism (3), characterized in that: The detection mechanism (2) includes a moving component and a detection component. The moving component includes a water tank (21) fixedly connected to the top of the detection platform (1). The right side of the water tank (21) is fixedly connected to a motor (22). The output shaft of the motor (22) is fixedly connected to a bidirectional threaded rod (23) through a shaft coupling. Two internal threaded blocks (24) are threadedly connected to the bidirectional threaded rod (23). The inner wall of the water tank (21) is fixedly connected to two sliding rods (25). The two internal threaded blocks (24) are slidably connected to the two sliding rods (25). The tops of the two internal threaded blocks (24) are hinged with a connecting plate (26). The two connecting plates (26) are hinged with a support plate (214) on one side away from the bidirectional threaded rod (23). The tops of the two support plates (214) are fixedly connected with a placement plate (27). The top of the placement plate (27) is provided with a T-shaped three-way pipe fitting (28).

2. The airtightness testing machine according to claim 1, characterized in that: The detection assembly comprises a top plate (29) fixedly connected to the top of the detection platform (1); an air pump (210) is fixedly connected to the top of the top plate (29); a connecting pipe (211) is fixedly connected to the left side of the air pump (210); and an end of the connecting pipe (211) away from the air pump (210) passes through the top plate (29) and is fixedly connected to the top plate (29).

3. The airtightness testing machine according to claim 2, characterized in that: The end of the connecting pipe (211) away from the air pump (210) is fixedly connected to a hose (212), the inner wall of the T-shaped three-way pipe (28) is slidably connected to a sealing block (213), the end of the hose (212) away from the connecting pipe (211) is fixedly connected to the sealing block (213), the inner bottom wall of the water tank (21) is fixedly connected to a plurality of limiting rods (215), and the placement plate (27) is slidably connected to the plurality of limiting rods (215).

4. The airtightness testing machine according to claim 3, characterized in that: The fixing mechanism (3) comprises two rotating shafts (31) rotatably connected to the bottom of the placement plate (27), and a worm gear (32) is fixedly connected to the two rotating shafts (31).

5. The airtightness testing machine according to claim 4, characterized in that: The bottom of the placement plate (27) is rotatably connected to a worm (33), the two worm wheels (32) are meshed with the worm (33), and the front end of the worm (33) is fixedly connected to a knob (34).

6. The airtightness testing machine according to claim 5, characterized in that: A second limiting rod (35) is fixedly connected between the two support plates (214), and two movable plates (36) are slidably connected to the second limiting rod (35).

7. The airtightness testing machine according to claim 6, characterized in that: The two rotating shafts (31) are both fixedly connected with a rhombus block (37), and a second connecting plate (38) is rotatably connected between the two rhombus blocks (37) and the movable plate (36).

8. The airtightness testing machine according to claim 7, characterized in that: The top of the placement plate (27) is provided with a plurality of slide grooves (39), the tops of the two movable plates (36) extend to the top of the placement plate (27) and are slidably connected to the corresponding slide grooves (39), and the tops of the two movable plates (36) are fixedly connected with a sealing plate (310).

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