Air tightness detection device for automobile intercooler

By introducing a motor-driven gear rack and screw system into the intercooler airtightness testing device, the position and height of the intercooler can be automatically adjusted, solving the problem of time-consuming and labor-intensive manual adjustment in the prior art, and improving the testing efficiency and applicability.

CN223896990UActive Publication Date: 2026-02-10HUBEI IXI HEAT EXCHANGE SYST CO LTD
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Patent Information

Application Number
CN202520434447.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-10
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing intercooler airtightness testing devices require manual adjustment of the intercooler's position relative to the testing platform during testing, which is time-consuming, labor-intensive, and reduces its practicality.

Method used

By employing moving and adjusting components between the testing platform and the fixed base, and utilizing the motor-driven gear and rack mechanism, the front-to-back and vertical positions of the intercooler are automatically adjusted. Combined with a cylinder and screw system, it is fixed and stabilized, simplifying manual operation.

Benefits of technology

It enables automatic fine-tuning of the intercooler position and height adjustment, reducing manual labor intensity, improving testing efficiency and applicability, and enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air tightness detection device for an automobile intercooler, which comprises a detection table and a fixed seat, a moving part is arranged on the fixed seat, and an adjusting part is arranged between the detection table and the fixed seat. The moving part comprises a support fixedly connected with the two sides of the back face of the fixing base respectively, a rotating shaft connected with the support, a first motor fixedly connected with one end of the rotating shaft, a gear fixedly connected with the outer side of the rotating shaft, and a rack connected with the bottom of the gear. The problems that when an existing intercooler airtightness detection device detects an intercooler, although airtightness detection can be conducted on the intercooler, during detection, the position of the intercooler is fixed relative to a detection table, front-back adjustment needs to be conducted manually, due to the fact that the intercooler has a certain weight, adjustment is relatively time-consuming and labor-consuming, and the detection efficiency is high are solved. And therefore, the practicability is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of intercooler detection, specifically to a kind of air tightness detection device of automobile intercooler. BACKGROUND

[0002] The intercooler is a high-efficiency radiator, and its main function is to cool the fresh air before it enters the engine. For a supercharged engine, the intercooler is an important component of the supercharging system. Whether it is a mechanically supercharged engine or a turbocharged engine, an intercooler needs to be installed between the supercharger and the intake manifold. When the intercooler is produced, it needs to be tested for air tightness.

[0003] The existing patent CN221898722U discloses an air tightness detection device for automobile intercooler. When using the existing air tightness detection device for automobile intercooler, the detection mechanism is fixedly installed on the intercooler by a clamp, and needs to be manually disassembled and installed by the staff. It has the disadvantages of complex structure, cumbersome operation, time-consuming and laborious, and low working efficiency, and needs to be improved. The present application proposes the following scheme, which includes a detection table and a detection assembly. The detection table is provided with an intercooler body, and two support plates are fixedly connected to the detection table. The top of each support plate is fixedly connected to a connecting piece. The utility model can automatically install and disassemble the detection assembly during detection, improve the working effect, and detect different sizes of the intercooler body.

[0004] The current intercooler air tightness detection device can detect the air tightness of the intercooler when detecting the intercooler. However, the position of the intercooler is fixed relative to the detection table during detection, and manual adjustment is required. Since the intercooler has a certain weight, the adjustment is time-consuming and laborious, which reduces the practicability. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an air tightness detection device for automobile intercooler to solve the problem of the existing intercooler air tightness detection device in the background art. Although the intercooler can be detected for air tightness, the position of the intercooler is fixed relative to the detection table during detection, and manual adjustment is required. Since the intercooler has a certain weight, the adjustment is time-consuming and laborious, which reduces the practicability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air tightness detection device for automobile intercooler, including detection table and fixed base, the fixed base is equipped with moving part, the detection table and fixed base between being equipped with adjusting part;

[0007] The moving part comprises supports fixedly connected with the back of the fixed seat on both sides, a rotating shaft connected with the supports, a first motor fixedly connected with one end of the rotating shaft, a gear fixedly connected with the outer side of the rotating shaft, a rack connected with the bottom of the gear, a moving table fixedly connected with one end of the rack, and a positioning part for fixing the intercooler, the gear meshes with the rack, and the rotating shaft is rotationally connected with the supports.

[0008] Preferably, the adjusting part comprises a sliding groove formed in the top of the detection table on both sides, a sliding block arranged in the sliding groove, an inclined rod arranged between the sliding block and the fixed seat, a bidirectional screw rod connected with the sliding block, and a second motor fixedly connected with one end of the bidirectional screw rod, the sliding block is slidingly connected with the sliding groove, the bidirectional screw rod is screwed with the sliding block, the bidirectional screw rod is rotationally connected with the detection table, and the two ends of the inclined rod are hingedly connected with the sliding block and the fixed seat respectively.

[0009] Preferably, the positioning part comprises a baffle fixedly connected with one side of the top of the moving table, a vertical plate fixedly connected with the other side of the top of the moving table, a gas cylinder fixedly connected with the vertical plate, and a positioning plate fixedly connected with the output end of the gas cylinder.

[0010] Preferably, a guide groove is formed in the top of the fixed seat, and a guide block is fixedly connected with the bottom of the moving table and slidingly connected with the guide groove.

[0011] Preferably, vertical rods are fixedly connected with the top of the detection table on all sides, a support groove is formed in one side of the vertical rod, a support block is slidingly connected in the support groove, and the support block is fixedly connected with the fixed seat.

[0012] Preferably, sliding rods are fixedly connected with the two sides of the positioning plate, the sliding rods pass through the vertical plate and are slidingly connected with the vertical plate.

[0013] Preferably, a first fixed plate is fixedly connected with one side of the top of the detection table, a second fixed plate is fixedly connected with the other side of the top of the detection table, a first air pipe is fixedly connected with one side of the first fixed plate, a second air pipe is fixedly connected with one side of the second fixed plate, a hose is fixedly connected with one end of the first air pipe and the second air pipe, an air pressure gauge is mounted on the outer side of the first air pipe, and a check valve is mounted on the outer side of the first air pipe.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1. By setting up a testing platform, a fixed base, and moving parts, the first motor can drive the rotating shaft to rotate, the rotating shaft can drive the gear to rotate, the gear can drive the rack to move back and forth, and thus drive the moving platform to move back and forth. This allows for fine adjustment of the intercooler's position, facilitating the connection and fixation of the intercooler with the first and second air pipes. This eliminates the need for manual adjustment of the intercooler's position, reducing labor intensity and greatly improving the practicality and efficiency of the device.

[0016] 2. With the addition of an adjustment component, the second motor can drive the bidirectional screw to rotate, which in turn causes the two sliders to move in opposite directions. This, in turn, drives the inclined rod to push the fixed base to move vertically, thereby adjusting the vertical height of the intercooler. This facilitates airtightness testing of intercoolers at different heights, expands the applicability range, and further enhances practicality. Attached Figure Description

[0017] Figure 1 A three-dimensional structural schematic diagram provided for this utility model;

[0018] Figure 2 Front view provided for this utility model;

[0019] Figure 3 Provided by this utility model Figure 2 A three-dimensional cross-sectional view at point AA;

[0020] Figure 4 The left view provided for this utility model;

[0021] Figure 5 Provided by this utility model Figure 4 3D cross-sectional view at point BB.

[0022] In the diagram: 1. Testing platform; 11. Fixed base; 21. Bracket; 22. Rotating shaft; 23. First motor; 24. Gear; 25. Rack; 26. Moving stage; 31. Slide groove; 32. Slider; 33. Diagonal rod; 34. Bidirectional screw; 35. Second motor; 41. Baffle; 42. Vertical plate; 43. Cylinder; 44. Positioning plate; 51. Guide groove; 52. Guide block; 61. Vertical rod; 62. Support groove; 63. Support block; 71. Slide rod; 81. First fixed plate; 82. Second fixed plate; 83. First air pipe; 84. Second air pipe; 85. Hose; 86. Pressure gauge; 87. Check valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5This utility model provides a technical solution: an airtightness testing device for an automotive intercooler, comprising a testing platform 1 and a fixed base 11. A movable component is provided on the fixed base 11, and an adjusting component is provided between the testing platform 1 and the fixed base 11. The movable component includes a bracket 21 fixedly connected to both sides of the back of the fixed base 11, a rotating shaft 22 connected to the bracket 21, a first motor 23 fixedly connected to one end of the rotating shaft 22, a gear 24 fixedly connected to the outside of the rotating shaft 22, a rack 25 connected to the bottom of the gear 24, a movable platform 26 fixedly connected to one end of the rack 25, and a positioning component for fixing the intercooler. The gear 24 meshes with the rack 25, the rotating shaft 22 is rotatably connected to the bracket 21, and the first motor 23 can be started to drive... The rotating shaft 22 rotates, which drives the gear 24 to rotate. The gear 24 drives the rack 25 to move back and forth, which in turn drives the moving platform 26 and the intercooler to move. The front and rear positions of the intercooler can be finely adjusted, making it easier to align and fix with the first air pipe 83 and the second air pipe 84 without manual adjustment, thus improving adjustment efficiency. The positioning components include a baffle 41 fixedly connected to one side of the top of the moving platform 26, a vertical plate 42 fixedly connected to the other side of the top of the moving platform 26, a cylinder 43 fixedly connected to the vertical plate 42, and a positioning plate 44 fixedly connected to the output end of the cylinder 43. The intercooler can contact the baffle 41. When the cylinder 43 is activated, it can push the positioning plate 44 to move, thereby fixing the intercooler to the baffle 41. Between the positioning plate 44 and the positioning plate 44, to prevent the intercooler from tipping over, sliding rods 71 ​​are fixedly connected to both sides of the positioning plate 44. The sliding rods 71 ​​pass through the vertical plate 42 and are slidably connected to the vertical plate 42. The movement of the positioning plate 44 can drive the sliding rods 71 ​​to move. The sliding rods 71 ​​can prevent the positioning plate 44 from tilting, thus ensuring positioning stability. The top of the fixed base 11 has a guide groove 51. The bottom of the moving stage 26 is fixedly connected to a guide block 52. The guide block 52 is slidably connected to the guide groove 51. The moving stage 26 can drive the guide block 52 to move. The guide block 52 can guide the movement of the moving stage 26, preventing the moving stage 26 from shifting. At the same time, it can prevent the rack 25 from disengaging from the gear 24. The top side of the detection table 1 is fixed. A first fixed plate 81 is fixedly connected to the test platform 1, and a second fixed plate 82 is fixedly connected to the other side of the top of the test platform 1. A first air pipe 83 is fixedly connected to one side of the first fixed plate 81, and a second air pipe 84 is fixedly connected to one side of the second fixed plate 82. A hose 85 is fixedly connected to one end of both the first air pipe 83 and the second air pipe 84. A pressure gauge 86 is installed on the outside of the first air pipe 83, and a check valve 87 is installed on the outside of the first air pipe 83. Both ends of the intercooler can be fixed to the hose 85 at one end of the first air pipe 83 and the second air pipe 84. Air can enter the intercooler through the first air pipe 83. The check valve 87 prevents the incoming air from being discharged in the reverse direction. After standing for a period of time, the pressure gauge 86 is observed to obtain the corresponding air pressure, and then the airtightness test can be performed.

[0025] Please seeFigure 1 , Figure 4 as well as Figure 5 The adjusting components include slide grooves 31 respectively opened on both sides of the top of the testing platform 1, a slider 32 disposed in the slide groove 31, a diagonal rod 33 disposed between the slider 32 and the fixed seat 11, a bidirectional screw 34 connected to the slider 32, and a second motor 35 fixedly connected to one end of the bidirectional screw 34. The slider 32 is slidably connected to the slide groove 31, the bidirectional screw 34 is screwed to the slider 32, and the bidirectional screw 34 is rotatably connected to the testing platform 1. The two ends of the diagonal rod 33 are hinged to the slider 32 and the fixed seat 11 respectively. When the second motor 35 is started, it can drive the bidirectional screw 34 to rotate, and the bidirectional screw 34 can drive the two sliders 32 to rotate in opposite directions. The movement of the test bench 1 can move the inclined rod 33, which in turn can move the fixed seat 11 vertically. This allows for adjustment of the vertical height of the intercooler, facilitating airtightness testing of intercoolers at different heights. Vertical rods 61 are fixedly connected to the top of the test bench 1 around its perimeter. A support groove 62 is provided on one side of the vertical rod 61, and a support block 63 is slidably connected within the support groove 62. The support block 63 is fixedly connected to the fixed seat 11. When the fixed seat 11 moves, it can drive the support block 63 to move vertically in sync. The support block 63 can prevent the fixed seat 11 from tilting, ensuring that the fixed seat 11 can move vertically and stably.

[0026] Working principle: During operation, the intercooler is placed on top of the moving platform 26, and the intercooler contacts the baffle 41. The cylinder 43 is activated, which pushes the positioning plate 44 to move, thus fixing the intercooler. Then, the first motor 23 is activated, which drives the rotating shaft 22 to rotate. The rotating shaft 22 drives the gear 24 to rotate, which in turn drives the rack 25 to move. The rack 25 then moves the moving platform 26, thereby moving the intercooler in the forward and backward direction. The second motor 35 is activated, which drives the bidirectional screw 34 to rotate, causing the two... The slider 32 moves in the opposite direction, which in turn moves the inclined rod 33, which in turn moves the fixed seat 11 vertically, which in turn moves the intercooler vertically, aligning the intercooler with the first air pipe 83 and the second air pipe 84. The hose 85 is then fixed to the intercooler, and gas is introduced through the first air pipe 83. The check valve 87 prevents the incoming air from being discharged in the opposite direction. After standing for a period of time, the pressure gauge 86 is observed to obtain the corresponding pressure, and then the airtightness test can be performed. The above is the working process of the entire device. All contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for testing the air tightness of an automotive intercooler, comprising a testing platform (1) and a mounting base (11), characterized in that: The fixed base (11) is provided with a moving part, and an adjusting part is provided between the detection table (1) and the fixed base (11); The moving component includes a bracket (21) fixedly connected to both sides of the back of the fixed base (11), a rotating shaft (22) connected to the bracket (21), a first motor (23) fixedly connected to one end of the rotating shaft (22), a gear (24) fixedly connected to the outside of the rotating shaft (22), a rack (25) connected to the bottom of the gear (24), a moving platform (26) fixedly connected to one end of the rack (25), and a positioning component for fixing the intercooler. The gear (24) meshes with the rack (25), and the rotating shaft (22) is rotatably connected to the bracket (21).

2. The airtightness testing device for an automotive intercooler according to claim 1, characterized in that: The adjustment component includes a slide groove (31) respectively opened on both sides of the top of the test platform (1), a slider (32) disposed in the slide groove (31), a diagonal rod (33) disposed between the slider (32) and the fixed seat (11), a bidirectional screw (34) connected to the slider (32), and a second motor (35) fixedly connected to one end of the bidirectional screw (34). The slider (32) is slidably connected to the slide groove (31), the bidirectional screw (34) is screwed to the slider (32), the bidirectional screw (34) is rotatably connected to the test platform (1), and the two ends of the diagonal rod (33) are hinged to the slider (32) and the fixed seat (11) respectively.

3. The airtightness testing device for an automotive intercooler according to claim 1, characterized in that: The positioning component includes a baffle (41) fixedly connected to one side of the top of the moving platform (26), a vertical plate (42) fixedly connected to the other side of the top of the moving platform (26), a cylinder (43) fixedly connected to the vertical plate (42), and a positioning plate (44) fixedly connected to the output end of the cylinder (43).

4. The airtightness testing device for an automotive intercooler according to claim 1, characterized in that: The top of the fixed base (11) is provided with a guide groove (51), and the bottom of the movable platform (26) is fixedly connected with a guide block (52), and the guide block (52) is slidably connected to the guide groove (51).

5. The airtightness testing device for an automotive intercooler according to claim 1, characterized in that: The top of the testing platform (1) is fixedly connected to vertical rods (61) on all four sides. A support groove (62) is provided on one side of the vertical rod (61). A support block (63) is slidably connected in the support groove (62). The support block (63) is fixedly connected to the fixed seat (11).

6. The airtightness testing device for an automotive intercooler according to claim 3, characterized in that: The positioning plate (44) is fixedly connected to slide rods (71) on both sides. The slide rods (71) pass through the vertical plate (42) and are slidably connected to the vertical plate (42).

7. The airtightness testing device for an automotive intercooler according to claim 1, characterized in that: A first fixing plate (81) is fixedly connected to one side of the top of the testing platform (1), and a second fixing plate (82) is fixedly connected to the other side of the top of the testing platform (1). A first air pipe (83) is fixedly connected to one side of the first fixing plate (81), and a second air pipe (84) is fixedly connected to one side of the second fixing plate (82). A hose (85) is fixedly connected to one end of both the first air pipe (83) and the second air pipe (84). A pressure gauge (86) is installed on the outside of the first air pipe (83), and a check valve (87) is installed on the outside of the first air pipe (83).