Air conditioner pipeline airtightness detection equipment

Abstract

The utility model discloses an air conditioner pipeline airtightness detection device, which relates to the technical field of airtightness detection and comprises a base, a detection frame is fixedly arranged at the center of the top of the base, a detection assembly is arranged at the top of the detection frame and used for comprehensively detecting airtightness of air conditioner pipelines of different sizes, and clamping and fixing assemblies are arranged on two sides of the base. And air conditioner pipelines of different sizes can be conveniently clamped and fixed and driven to rotate. According to the utility model, the blower ventilates the interior of the rotating air-conditioning pipeline through the ventilation pipe, and water in the water tank is sprayed to the rotating air-conditioning pipeline through the plurality of high-pressure spray holes, so that comprehensive air tightness detection of the inflated air-conditioning pipeline is realized, and finally, the air-conditioning pipeline is observed through the transparent observation window and the cover plate. And the air leakage position of the air conditioner pipeline can be conveniently and timely found by a worker.

Description

Technical Field

[0001] The utility model relates to the technical field of airtight detection, in particular to an airtight detection device for air-conditioning pipelines. Background Technique

[0002] Each assembly of an automotive air conditioner is generally dispersedly installed in various parts of the vehicle. The automotive air-conditioning pipeline is like the blood vessels of the human body, responsible for connecting these dispersed components, so that a complete automotive air-conditioning system can work orderly. The automotive air-conditioning pipeline is usually composed of aluminum pipes, air-conditioning hoses and other pipeline accessories. After the production of the air-conditioning pipeline, during the use process, it is necessary to regularly use an airtight detection device to detect its airtightness to ensure the safety and reliability of the pipeline system.

[0003] For example, the airtightness inspection device for an air-conditioning pipeline with the Chinese patent application number CN202122751923.9 includes a base, a water tank and a support column arranged on the base from left to right in sequence. The left end of the top of the support column is slidably connected with a clamping assembly for clamping the pipeline body through a mounting rod, and the clamping assembly is driven by a first electric telescopic rod. In this utility model, the pipeline is tightly clamped by the clamping assembly, the pipeline is immersed in the water tank through the first electric telescopic rod, and then the pipeline is supplied with air through an external air supply device to observe whether there are bubbles in the water tank, which is convenient, fast, time-saving and labor-saving, and improves the inspection efficiency.

[0004] However, in actual use, the above device places the clamped air-conditioning pipeline in the water tank for airtightness detection. However, during the detection process, the leakage position of the air-conditioning pipeline cannot be directly detected, which increases the difficulty for the staff to determine the leakage position. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an airtight detection device for air-conditioning pipelines. The airtight detection of the rotating air-conditioning pipeline is realized by blowing air into the interior of the rotating air-conditioning pipeline through a hair dryer via a ventilation pipe, and making the water in the water tank spray onto the rotating air-conditioning pipeline through a number of high-pressure spray holes. Finally, through the transparent observation window and the cover plate, it is convenient for the staff to find the leakage position of the air-conditioning pipeline quickly and timely, and the problems in the background technique can be effectively solved.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: an airtight detection device for air-conditioning pipelines, including a base, and a detection frame body is fixedly arranged at the center of the top of the base;

[0007] A detection component is arranged at the top of the detection frame body for comprehensively detecting the airtightness of air-conditioning pipelines with different sizes and lengths;

[0008] Clamping and fixing components are provided on both sides of the base, facilitating the clamping and fixing of air-conditioning pipes of different sizes and driving them to rotate;

[0009] The clamping and fixing components include a first U-shaped support rod, which is arranged at the top of one side of the base. One side of the first U-shaped support rod close to the detection frame is connected with a rotating rod through a bearing. One end of the rotating rod is fixedly provided with a rotating cylinder, and four evenly distributed clamping plates are arranged inside the rotating cylinder;

[0010] The detection component includes a water tank, which is fixedly arranged at the top of the detection frame. A spray frame is arranged at the bottom of the water tank, and the spray frame is arranged at the inner top end of the detection frame. A number of evenly distributed high-pressure spray holes are opened at the bottom of the spray frame.

[0011] Preferably, telescopic rods are fixedly connected between the inner wall of the rotating cylinder and the four clamping plates. Springs are sleeved outside the telescopic rods, and both ends of the springs are fixedly connected between the inner wall of the rotating cylinder and the clamping plates, facilitating the pressing of the clamping plates to drive the clamping plates to squeeze the telescopic rods and springs, so as to insert air-conditioning pipes of different sizes between the four clamping plates.

[0012] Preferably, the clamping and fixing components further include a second U-shaped support rod, which is arranged at the top of the other side of the base. A hair dryer is fixedly arranged on the side of the second U-shaped support rod far from the detection frame. An air duct is fixedly arranged at the air outlet of the hair dryer. The air duct penetrates through the second U-shaped support rod and is connected with the second U-shaped support rod through a bearing. A contact plate is fixedly arranged on the air duct, facilitating the insertion of the air duct into the air-conditioning pipe, so that the contact plate abuts against the other side of the air-conditioning pipe to ensure the internal sealing of the air-conditioning pipe.

[0013] Preferably, a motor is fixedly arranged on the side of the first U-shaped support rod far from the detection frame. The output shaft of the motor penetrates through the first U-shaped support rod and is fixedly connected with one end of the rotating rod. Moving blocks are fixedly arranged on both sides of the bottom ends of the first U-shaped support rod and the second U-shaped support rod close to each other. A bolt for fixing the base and the first U-shaped support rod is connected to the moving block close to the first U-shaped support rod through a thread, and a bolt for fixing between the base and the second U-shaped support rod is connected to the moving block close to the second U-shaped support rod through a thread, facilitating the pushing of the positions of the first U-shaped support rod and the second U-shaped support rod to adapt to air-conditioning pipes of different sizes.

[0014] Preferably, a connecting pipe is fixedly arranged at the center of the bottom of the water tank. The bottom end of the connecting pipe penetrates through the top of the detection frame and is fixedly connected with the top of the spray frame. An electric valve is fixedly arranged on the connecting pipe, and the electric valve is arranged at the inner top end of the detection frame, facilitating the control of the electric valve to make the water in the water tank flow into the spray frame.

[0015] Preferably, lead curtains are fixedly provided on both sides of the detection frame, a transparent observation window is embedded in the top front side of the detection frame, two openings are provided at the bottom front side of the detection frame, and cover plates are threadedly connected inside the openings to facilitate timely contact with the leaking position of the air-conditioning pipeline.

[0016] Preferably, a control panel for controlling the motor, electric valve and hair dryer is fixedly provided at the center of the bottom front side of the detection frame, a drain pipe is fixedly provided at the center of the bottom bottom of the base to facilitate the drainage of water at the bottom end of the base, and movable wheels are fixedly provided at the four corners of the bottom of the base to facilitate the movement of the utility model.

[0017] Compared with the prior art, the utility model provides an air-tightness detection device for air-conditioning pipelines, which has the following beneficial effects:

[0018] 1. The utility model clamps one end of the air-conditioning pipeline between four clamping plates, and then inserts the ventilation pipe into the other end of the air-conditioning pipeline according to the length of the air-conditioning pipeline. At the same time, the resistance plate is pressed against the other end of the air-conditioning pipeline, thereby clamping and fixing air-conditioning pipelines of different sizes and lengths, which is convenient for subsequent air tightness detection of the air-conditioning pipeline.

[0019] 2. The utility model drives the rotating rod to rotate and drives the rotating drum to rotate through a motor. The hair dryer ventilates the inside of the air-conditioning pipeline through the ventilation pipe. The water in the water tank is sprayed to the rotating air-conditioning pipeline through a plurality of high-pressure spray holes, thereby realizing a comprehensive air-tightness detection of the air-conditioning pipeline being inflated. After the air leakage position is observed through the transparent observation window, the cover plate is unscrewed, so that the staff can find the air leakage position of the air-conditioning pipeline conveniently and timely. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is the overall rear view of the utility model;

[0022] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the clamping and fixing assembly of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the clamping and fixing assembly of the utility model;

[0025] Figure 6 This is a schematic diagram of the detection component structure of the utility model.

[0026] In the figure: 1 base, 2 detection frame, 3 clamping and fixing assembly, 4 detection assembly, 5 motor, 6 moving block, 7 transparent observation window, 8 cover plate, 9 control panel, 10 lead curtain, 11 moving wheel, 12 drainage pipe;

[0027] 31 first U-shaped support rod, 32 second U-shaped support rod, 33 rotating drum, 34 rotating rod, 35 clamping plate, 36 blower, 37 ventilation pipe, 38 resistance plate, 39 telescopic rod, 310 spring, 41 water tank, 42 ​​connecting pipe, 43 electric valve, 44 spray frame, 45 high-pressure spray hole. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] like Figure 1-6 As shown, the utility model provides an air-tightness detection device for air-conditioning pipelines, including a base 1, a detection frame 2 is fixedly provided at the top center of the base 1, lead curtains 10 are fixedly provided on both sides of the detection frame 2, a transparent observation window 7 is inlaid on the front top of the detection frame 2, two openings are provided at the front bottom of the detection frame 2, a cover plate 8 is threadedly connected inside the openings, so as to timely contact the position of the air leakage of the air-conditioning pipeline, a drain pipe 12 is fixedly provided at the bottom center of the base 1, so as to discharge the water at the bottom end of the base 1, and moving wheels 11 are fixedly provided at the four corners of the bottom of the base 1, so as to facilitate the movement of the utility model.

[0030] like Figure 1-5 As shown, clamping and fixing components 3 are provided on both sides of the base 1, which are convenient for clamping and fixing air-conditioning pipes of different sizes and driving them to rotate. The clamping and fixing component 3 includes a first U-shaped support rod 31, which is arranged at the top of one side of the base 1. The first U-shaped support rod 31 is connected to a rotating rod 34 through a bearing on the side close to the detection frame 2. A rotating cylinder 33 is fixedly provided at one end of the rotating rod 34. Four evenly distributed clamping plates 35 are provided inside the rotating cylinder 33. Telescopic rods 39 are fixedly connected between the inner wall of the rotating cylinder 33 and the four clamping plates 35. A spring 310 is sleeved on the outside of the telescopic rod 39. Both ends of the spring 310 are fixedly connected to the inner wall of the rotating cylinder 33 and the clamping plate 35, respectively, so as to press the clamping plate 35 and drive the clamping plate 35 to squeeze the telescopic rod 39 and the spring 310, so as to plug air-conditioning pipes of different sizes between the four clamping plates 35.

[0031] The clamping and fixing assembly 3 also includes a second U-shaped support rod 32, which is arranged at the top of the other side of the base 1. A hair dryer 36 is fixedly provided on the side of the second U-shaped support rod 32 away from the detection frame 2. A ventilation pipe 37 is fixedly provided at the air outlet of the hair dryer 36. The ventilation pipe 37 passes through the second U-shaped support rod 32 and is connected to the second U-shaped support rod 32 through a bearing. A contact plate 38 is fixedly provided on the ventilation pipe 37 to facilitate the insertion of the ventilation pipe 37 into the interior of the air-conditioning pipeline, so that the contact plate 38 contacts the other side of the air-conditioning pipeline to ensure the internal sealing of the air-conditioning pipeline.

[0032] A motor 5 is fixedly provided on the side of the first U-shaped support rod 31 away from the detection frame 2, and the output shaft of the motor 5 passes through the first U-shaped support rod 31 and is fixedly connected to one end of the rotating rod 34, and moving blocks 6 are fixedly provided on the sides close to the two ends of the bottom of the first U-shaped support rod 31 and the second U-shaped support rod 32, and the moving block 6 close to the first U-shaped support rod 31 is threadedly connected with a bolt for fixing the base 1 and the first U-shaped support rod 31, and the moving block 6 close to the second U-shaped support rod 32 is threadedly connected with a bolt for fixing the base 1 and the second U-shaped support rod 32, so as to facilitate pushing the positions of the first U-shaped support rod 31 and the second U-shaped support rod 32 to adapt to air-conditioning pipes of different sizes.

[0033] like Figure 1-3 As shown in , 6, a detection component 4 is provided on the top of the detection frame 2, which is used to perform comprehensive airtightness detection on air-conditioning pipes of different sizes. The detection component 4 includes a water tank 41, a connecting pipe 42 is fixedly provided at the bottom center of the water tank 41, an electric valve 43 is fixedly provided on the connecting pipe 42, and a control panel 9 for controlling the operation of the motor 5, the electric valve 43 and the hair dryer 36 is fixedly provided at the bottom center of the front side of the detection frame 2.

[0034] By setting the clamping and fixing assembly 3, first take the air-conditioning pipeline that needs air-tightness inspection, unscrew the bolt on the moving block 6 at the bottom end of the first U-shaped support rod 31, first push the first U-shaped support rod 31 to move close to one side of the detection frame 2, and then manually press the clamping plate 35 to squeeze the telescopic rod 39 and the spring 310, and clamp one end of the air-conditioning pipeline between the four clamping plates 35. After releasing the clamping plate 35, the clamping plate 35 will be tightly attached to the outer wall of the air-conditioning pipeline under the elastic action of the telescopic rod 39 and the spring 310, and clamp and fix it;

[0035] According to the length of the air-conditioning pipeline, unscrew the bolts on the moving block 6 at the bottom end of the first U-shaped support rod 31, push the second U-shaped support rod 32 to move along the base 1, so that the ventilation pipe 37 is inserted into the interior of the air-conditioning pipeline, and at the same time, the contact plate 38 is pressed against the other end of the air-conditioning pipeline. Finally, tighten the bolts on the moving block 6 to clamp and fix the air-conditioning pipelines of different sizes and lengths, which is convenient for the subsequent air tightness detection of the air-conditioning pipeline.

[0036] As Figure 1-3 As shown in Figures 6, etc., the water tank 41 is fixedly arranged at the top of the detection frame body 2. A spray frame 44 is provided at the bottom of the water tank 41, and the spray frame 44 is arranged at the inner top end of the detection frame body 2. A number of uniformly distributed high-pressure spray holes 45 are formed at the bottom of the spray frame 44. The bottom end of the connecting pipe 42 penetrates through the top of the detection frame body 2 and is fixedly connected to the top of the spray frame 44. The electric valve 43 is arranged at the inner top end of the detection frame body 2, which is convenient for controlling the electric valve 43 to make the water inside the water tank 41 flow into the spray frame 44.

[0037] By setting the detection assembly 4, first add water into the water tank 41, then operate the control panel 9 to control the motor 5 to work. The motor 5 drives the rotating rod 34 to rotate and drives the rotating cylinder 33 to rotate, and then drives the air-conditioning pipeline clamped and fixed inside it to rotate. Since the other end of the air-conditioning pipeline abuts against the abutting plate 38, it is convenient to drive the ventilation pipe 37 and the abutting plate 38 to rotate;

[0038] At the same time, operate the control panel 9 to control the blower 36 to work. The blower 36 ventilates into the air-conditioning pipeline through the ventilation pipe 37. At the same time, operate the control panel 9 to control the electric valve 43 to open, so that the water inside the water tank 41 flows into the spray frame 44 through the connecting pipe 42, and finally sprays onto the rotating air-conditioning pipeline through a number of high-pressure spray holes 45. If the air-conditioning pipeline leaks, the leaking position on the upper side of the air-conditioning pipeline will jet air into the detection frame body 2 and generate a water column, so as to realize the comprehensive airtight detection of the air-conditioning pipeline during inflation. After observing the leaking position through the transparent observation window 7, then unscrew the cover plate 8, which is convenient for the staff to find the leaking position of the air-conditioning pipeline conveniently and in time.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An air-tightness detection device for air-conditioning pipelines, comprising a base (1), characterized in that: A detection frame (2) is fixedly provided at the top center of the base (1); The top of the detection frame (2) is provided with a detection component (4) for performing a comprehensive airtightness detection on air-conditioning pipelines of different sizes; The base (1) is provided with clamping and fixing components (3) on both sides, which are convenient for clamping and fixing air-conditioning pipes of different sizes and driving them to rotate; The clamping and fixing assembly (3) comprises a first U-shaped support rod (31), the first U-shaped support rod (31) being arranged at the top of one side of the base (1), the first U-shaped support rod (31) being connected to a rotating rod (34) via a bearing on the side close to the detection frame (2), a rotating cylinder (33) being fixedly arranged at one end of the rotating rod (34), and four evenly distributed clamping plates (35) being arranged inside the rotating cylinder (33); The detection component (4) comprises a water tank (41), the water tank (41) being fixedly arranged on the top of the detection frame (2), a spray frame (44) being arranged at the bottom of the water tank (41), and the spray frame (44) being arranged at the top of the inside of the detection frame (2), and a plurality of evenly distributed high-pressure spray holes (45) being opened at the bottom of the spray frame (44).

2. The air-tightness detection device for air-conditioning pipelines according to claim 1 is characterized in that: A telescopic rod (39) is fixedly connected between the inner wall of the rotating cylinder (33) and the four clamping plates (35). A spring (310) is sleeved on the outside of the telescopic rod (39). Two ends of the spring (310) are respectively fixedly connected to the inner wall of the rotating cylinder (33) and the clamping plates (35).

3. The air-tightness detection device for air-conditioning pipelines according to claim 2 is characterized in that: The clamping and fixing assembly (3) further comprises a second U-shaped support rod (32), the second U-shaped support rod (32) being arranged at the top of the other side of the base (1), a blower (36) being fixedly arranged on the side of the second U-shaped support rod (32) away from the detection frame (2), a ventilation pipe (37) being fixedly arranged at the air outlet of the blower (36), the ventilation pipe (37) passing through the second U-shaped support rod (32) and being connected to the second U-shaped support rod (32) via a bearing, and a contact plate (38) being fixedly arranged on the ventilation pipe (37).

4. The air-tightness detection device for air-conditioning pipelines according to claim 3 is characterized in that: A motor (5) is fixedly provided on a side of the first U-shaped support rod (31) away from the detection frame (2); an output shaft of the motor (5) passes through the first U-shaped support rod (31) and is fixedly connected to one end of a rotating rod (34); moving blocks (6) are fixedly provided on the sides close to both ends of the bottom of the first U-shaped support rod (31) and the second U-shaped support rod (32); a bolt for fixing the base (1) and the first U-shaped support rod (31) is threadedly connected to the moving block (6) close to the first U-shaped support rod (31); and a bolt for fixing the base (1) and the second U-shaped support rod (32) is threadedly connected to the moving block (6) close to the second U-shaped support rod (32).

5. The air-tightness detection device for air-conditioning pipelines according to claim 4 is characterized in that: A connecting pipe (42) is fixedly provided at the center of the bottom of the water tank (41); the bottom end of the connecting pipe (42) passes through the top of the detection frame (2) and is fixedly connected to the top of the spray frame (44); an electric valve (43) is fixedly provided on the connecting pipe (42); and the electric valve (43) is arranged at the top of the inside of the detection frame (2).

6. The air-tightness detection device for air-conditioning pipelines according to claim 1 is characterized in that: Lead curtains (10) are fixedly provided on both sides of the detection frame (2), a transparent observation window (7) is embedded in the top of the front side of the detection frame (2), and two openings are provided at the bottom of the front side of the detection frame (2), and a cover plate (8) is threadedly connected inside the openings.

7. The air-tightness detection device for air-conditioning pipelines according to claim 5, characterized in that: A control panel (9) for controlling the operation of the motor (5), the electric valve (43) and the blower (36) is fixedly provided at the center of the bottom front side of the detection frame (2), a drainage pipe (12) is fixedly provided at the center of the bottom bottom of the base (1), and moving wheels (11) are fixedly provided at the four corners of the bottom bottom of the base (1).

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