A HVAC pipeline air tightness detection device

Abstract

The utility model discloses a HVAC pipeline air tightness detection device, which relates to the field of pipeline detection, including a bottom plate, a plurality of support rods connected to the top of the bottom plate, a transparent water tank connected to the top of the plurality of support rods, two fixed plates connected to the top of the bottom plate, a rotating rod provided on the opposite side of the two fixed plates, a turntable connected to the other end of the rotating rod, and two fixed components provided on the side wall of the turntable. The utility model drives two rotating shafts to rotate by using a double-axis motor, the rotating shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through a transmission belt, the second pulley drives the rotating rod to rotate, the rotating rod drives the turntable to rotate, the turntable rotates the HVAC pipeline after the lower side detection to the upper side, and rotates the HVAC pipeline not detected on the upper side into the transparent water tank for further detection, which can facilitate continuous detection of the HVAC pipeline, thereby improving the detection efficiency of the HVAC pipeline.

Description

Technical Field

[0001] The utility model relates to the field of pipeline detection, in particular to a HVAC pipeline air tightness detection device. Background Art

[0002] The thickness and specifications of HVAC ducts can be changed according to requirements. Usually, when connecting, both ends of the duct are always connected to accessories. Generally, there are no grooves and sealing rings at both ends of the HVAC duct.

[0003] At present, when testing the air tightness of HVAC pipes, most of them are tested by placing the HVAC pipes in water and inflating them. After the test, the HVAC pipes fixed on the air pipes need to be removed and then the untested HVAC pipes need to be installed. During this process, the HVAC pipes cannot be continuously tested, which will affect the efficiency of the air tightness test of the HVAC pipes.

[0004] Therefore, it is necessary to invent a HVAC pipeline air tightness detection device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a HVAC pipeline air tightness detection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a HVAC pipe air tightness detection device, comprising a base plate, a plurality of support rods are connected to the top of the base plate, a transparent water tank is commonly connected to the top of the base plate, two fixed plates are connected to the top of the base plate, a rotating rod is provided on the opposite side of the two fixed plates, a turntable is connected to the other end of the rotating rod, two fixed components are provided on the side wall of the turntable, an air intake component is provided on the side wall of one of the fixed plates, a dual-axis motor is connected to the top of the base plate, two output ends of the dual-axis motor are connected to a rotating shaft, the outer wall of the rotating shaft is connected to a first pulley, the outer wall of the rotating rod is connected to a second pulley, and a transmission belt is provided between the second pulley and the first pulley.

[0007] Preferably, the rotating rod also includes a square tube, the square tube is connected to the side wall of the fixed plate through a bearing, the side wall of the square tube is provided with a square rod, the other end of the square rod is connected to the side wall of the turntable, the side wall of the square tube is provided with a threaded hole, and a bolt is threadedly connected in the threaded hole.

[0008] Preferably, the fixing assembly includes an outer cylinder connected to the side wall of the turntable, an air inlet pipe is connected inside the outer cylinder, an annular clamp is connected to the other end of the air inlet pipe, a spring is connected to the side wall of the annular clamp, the other end of the spring is connected to the side wall of the outer cylinder, and two arc plates are connected to the side of the annular clamp away from the spring.

[0009] Preferably, the air intake assembly includes an air guide pipe connected to the side wall of the fixed plate, the other end of the air guide pipe is connected to an arc-shaped air intake plate, the arc-shaped air intake plate is provided with an air outlet on the side close to the turntable, the side wall of the turntable is provided with two air inlets, and the annular clamping plate, the air intake pipe, the outer cylinder, the air inlet and the air outlet are interconnected.

[0010] Preferably, sealing gaskets are arranged on the outside of the air inlet pipe, inside the air inlet and the air outlet, and the specific material of the sealing gaskets is rubber.

[0011] Technical effects and advantages of the utility model:

[0012] By using a dual-axis motor to drive the two rotating shafts to rotate, the rotating shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the transmission belt, the second pulley drives the rotating rod to rotate, the rotating rod drives the turntable to rotate, the turntable rotates the HVAC pipes that have been inspected on the lower side to the top, and rotates the HVAC pipes that have not been inspected on the top into the transparent water tank for continued inspection, which can facilitate continuous inspection of the HVAC pipes, thereby improving the inspection efficiency of the HVAC pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a side view structural diagram of the turntable of the utility model;

[0015] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0016] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of part B.

[0017] In the figure: 1. bottom plate; 2. support rod; 3. transparent water tank; 4. fixed plate; 5. rotating rod; 51. square cylinder; 52. square rod; 53. bolt; 6. turntable; 7. fixing assembly; 71. outer cylinder; 72. air inlet pipe; 73. annular splint; 74. spring; 75. arc plate; 8. air inlet assembly; 81. air guide pipe; 82. arc-shaped air inlet plate; 83. air outlet; 84. air inlet; 9. dual-axis motor; 10. rotating shaft; 11. first pulley; 12. second pulley; 13. transmission belt. 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] The utility model provides Figure 1-4 The HVAC pipeline air tightness detection device shown in the figure includes a base plate 1, a plurality of support rods 2 are connected to the top of the base plate 1, a transparent water tank 3 is commonly connected to the top of the plurality of support rods 2, two fixed plates 4 are connected to the top of the base plate 1, a rotating rod 5 is arranged on the opposite side of the two fixed plates 4, a turntable 6 is connected to the other end of the rotating rod 5, and two fixed components 7 are arranged on the side wall of the turntable 6, an air intake component 8 is arranged on the side wall of one of the fixed plates 4, a dual-axis motor 9 is connected to the top of the base plate 1, both output ends of the dual-axis motor 9 are connected to a rotating shaft 10, an outer wall of the rotating shaft 10 is connected to a first pulley 11, and the outer wall of the rotating rod 5 is connected to There is a second pulley 12, and a transmission belt 13 is arranged between the second pulley 12 and the first pulley 11. By using the dual-axis motor 9 to drive the two rotating shafts 10 to rotate, the rotating shaft 10 drives the first pulley 11 to rotate, and the first pulley 11 drives the second pulley 12 to rotate through the transmission belt 13, and the second pulley 12 drives the rotating rod 5 to rotate, and the rotating rod 5 drives the turntable 6 to rotate. The turntable 6 rotates the HVAC pipes that have been inspected on the lower side to the upper side, and rotates the HVAC pipes that have not been inspected on the upper side into the transparent water tank 3 for continued inspection, which can facilitate continuous inspection of the HVAC pipes, thereby improving the inspection efficiency of the HVAC pipes.

[0020] The rotating rod 5 also includes a square tube 51, which is connected to the side wall of the fixed plate 4 through a bearing. The side wall of the square tube 51 is provided with a square rod 52, and the other end of the square rod 52 is connected to the side wall of the turntable 6. The side wall of the square tube 51 is provided with a threaded hole, and a bolt 53 is threadedly connected in the threaded hole. By rotating the bolt 53, the bolt 53 is loosened, and the turntable 6 is pulled. The turntable 6 pulls the square rod 52, so that the square rod 52 slides in the square tube 51, thereby adjusting the distance between the two turntables 6, which can facilitate the fixation of HVAC pipes of different sizes.

[0021] The fixing assembly 7 includes an outer cylinder 71 connected to the side wall of the turntable 6, an air inlet pipe 72 is connected inside the outer cylinder 71, and the other end of the air inlet pipe 72 is connected to an annular clamping plate 73, and the side wall of the annular clamping plate 73 is connected to a spring 74, and the other end of the spring 74 is connected to the side wall of the outer cylinder 71, and two arc plates 75 are connected to the side of the annular clamping plate 73 away from the spring 74. By utilizing the HVAC pipe to squeeze the upper arc plate 75, the friction force causes the arc plate 75 to squeeze the annular clamping plate 73, and the annular clamping plate 73 squeezes the spring 74, so that the spring 74 contracts inwardly. When the two arc plates 75 are on the inner wall of the HVAC pipe, the spring 74 pushes the arc plate 75 to extend into the HVAC pipe, and clamps the HVAC pipe through the annular clamping plates 73 on the left and right sides. Conversely, the HVAC pipe is pulled, and the HVAC pipe is squeezed by the HVAC pipe. The arc plate 75 on the lower side can be removed.

[0022] The air intake assembly 8 includes an air guide pipe 81 connected to the side wall of the fixed plate 4, the other end of the air guide pipe 81 is connected to a curved air intake plate 82, an air outlet 83 is provided on the side of the curved air intake plate 82 close to the turntable 6, and two air inlets 84 are provided on the side wall of the turntable 6. The annular clamp 73, the air intake pipe 72, the outer tube 71, the air inlet 84 and the air outlet 83 are interconnected. The gas is introduced into the air guide pipe 81, and enters the curved air intake plate 82 through the air guide pipe 81, and then enters the air inlet 84 on the turntable 6 through the air outlet 83 on the curved air intake plate 82, and enters the HVAC pipe through the air inlet 84, the outer tube 71, the air intake pipe 72 and the annular clamp 73, so as to inflate the HVAC pipe.

[0023] Sealing gaskets are provided on the outside of the air inlet pipe 72 , the air inlet port 84 and the air outlet port 83 , and the specific material of the sealing gaskets is rubber, which can conveniently improve the sealing performance of the outside of the air inlet pipe 72 , the air inlet port 84 and the air outlet port 83 .

[0024] Working principle of this utility model:

[0025] By turning the bolt 53, the bolt 53 is loosened, the turntable 6 is pulled, and the turntable 6 pulls the square rod 52, so that the square rod 52 slides in the square tube 51, so as to adjust the distance between the two turntables 6, and the arc plate 75 on the upper side is squeezed by the HVAC pipe, and the arc plate 75 squeezes the annular clamping plate 73 through friction, and the annular clamping plate 73 squeezes the spring 74, so that the spring 74 contracts inwardly. When the two arc plates 75 are on the inner wall of the HVAC pipe, the spring 74 pushes the arc plate 75 to extend into the HVAC pipe, and clamps the HVAC pipe through the annular clamping plates 73 on the left and right sides. By introducing the gas into the air guide pipe 81 and entering the arc plate through the air guide pipe 81 The air enters the air inlet plate 82, and then enters the air inlet 84 on the turntable 6 through the air outlet 83 on the arc-shaped air inlet plate 82, and enters the HVAC pipe through the air inlet 84, the outer cylinder 71, the air inlet pipe 72 and the annular clamping plate 73 to inflate the HVAC pipe. The two rotating shafts 10 are driven to rotate by the dual-axis motor 9, and the rotating shaft 10 drives the first pulley 11 to rotate. The first pulley 11 drives the second pulley 12 to rotate through the transmission belt 13. The second pulley 12 drives the rotating rod 5 to rotate, and the rotating rod 5 drives the turntable 6 to rotate. The turntable 6 rotates the HVAC pipe that has been inspected on the lower side to the top, and rotates the HVAC pipe that has not been inspected on the top to the transparent water tank 3 for further inspection.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A HVAC pipeline air tightness detection device, comprising a base plate, characterized in that: The top of the base plate is connected to multiple support rods, and the tops of the multiple support rods are commonly connected to a transparent water tank. The top of the base plate is connected to two fixed plates, and rotating rods are provided on opposite sides of the two fixed plates. The other end of the rotating rod is connected to a turntable, and the side wall of the turntable is provided with two fixed components, and the side wall of one of the fixed plates is provided with an air intake component. The top of the base plate is connected to a dual-axis motor, and both output ends of the dual-axis motor are connected to a rotating shaft, the outer wall of the rotating shaft is connected to a first pulley, the outer wall of the rotating rod is connected to a second pulley, and a transmission belt is provided between the second pulley and the first pulley.

2. A HVAC pipeline air tightness detection device according to claim 1, characterized in that: The rotating rod also includes a square tube, which is connected to the side wall of the fixed plate through a bearing. The side wall of the square tube is provided with a square rod, and the other end of the square rod is connected to the side wall of the turntable. The side wall of the square tube is provided with a threaded hole, and a bolt is threadedly connected in the threaded hole.

3. The HVAC pipeline air tightness detection device according to claim 1, characterized in that: The fixing assembly includes an outer cylinder connected to the side wall of the turntable, an air inlet pipe is connected inside the outer cylinder, an annular clamp is connected to the other end of the air inlet pipe, a spring is connected to the side wall of the annular clamp, the other end of the spring is connected to the side wall of the outer cylinder, and two arc plates are connected to the side of the annular clamp away from the spring.

4. The HVAC pipeline air tightness detection device according to claim 3 is characterized in that: The air intake assembly includes an air guide pipe connected to the side wall of the fixed plate, the other end of the air guide pipe is connected to an arc-shaped air intake plate, the arc-shaped air intake plate is provided with an air outlet on the side close to the turntable, the side wall of the turntable is provided with two air inlets, and the annular clamping plate, the air intake pipe, the outer cylinder, the air inlet and the air outlet are interconnected.

5. A HVAC pipeline air tightness detection device according to claim 4, characterized in that: The outside of the air inlet pipe, the air inlet and the air outlet are all provided with sealing pads, and the specific material of the sealing pads is rubber.

Images