Wire harness air tightness testing device

Abstract

The utility model discloses a wire harness air tightness testing device comprising a detection bench, the top of the detection bench is fixedly connected with a water tank, two sides of the water tank are fixedly connected with supports, and the top of the detection bench is provided with a drying part. The drying component comprises a transverse plate, a connecting block fixedly connected with the top of the transverse plate, two sliding grooves formed in one side of the connecting block, sliding blocks arranged in the sliding grooves, a two-way screw connected with the sliding blocks and a first motor fixedly connected with the top of the two-way screw. The problems that when an existing wire harness air tightness testing device is used, although air tightness testing can be conducted on a wire harness, the outer side of the tested wire harness is still contaminated with water and relatively wet, water on the outer side of the wire harness needs to be wiped away manually, continuity of wire harness air tightness detection is affected, and therefore practicability is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness air tightness detection, in particular to a wire harness air tightness testing device. Background Art

[0002] The wiring harness is a group of metal wires and cables tied together, which connects the signals and power between the carrying equipment. It is the wiring component that connects various electrical devices in the automobile circuit. It is composed of insulating sheath, terminal blocks, wires and insulating wrapping materials. In order to ensure the quality of the wiring harness, it is necessary to use an airtightness detection device to test the wiring harness for airtightness to prevent air leakage.

[0003] The existing patent CN213336685U discloses an assembly wiring harness air tightness detection device, which relates to the field of air tightness detection technology; a test box is installed on the upper end of the base, a mounting bracket is installed on the side wall of the test box, a mounting plate is installed on the upper ends of the two mounting brackets, an electric push rod is installed at the bottom of the mounting plate, a connecting plate is installed at the lower end of the rod body of the electric push rod, an air pump is installed on the connecting plate, an air inlet connecting pipe and an air outlet connecting pipe are respectively installed on the lower side of the connecting plate, the air pump is connected to the air inlet connecting pipe through the pipe body, and the air outlet connecting pipe is connected to the pressure gauge; the utility model can realize quick connection and detection, is easy to use, simple to operate, and can save time; it is easy to operate and can accurately detect at the same time, has a simple structure, and improves efficiency.

[0004] Based on the search of the above patents and in combination with the wire harness air tightness testing device in the prior art, it was found that although the above wire harness air tightness testing device can perform air tightness testing on the wire harness when in use, the outside of the wire harness will still be contaminated with water after the test. The outside of the wire harness is relatively wet, and the moisture on the outside of the wire harness needs to be wiped off manually, which will affect the continuity of the wire harness air tightness detection, resulting in poor practicality. Utility Model Content

[0005] The purpose of the present utility model is to provide a wire harness air tightness testing device to solve the problem that the existing wire harness air tightness testing device proposed in the above background technology can perform air tightness testing on the wire harness during use, but the outside of the wire harness will still be contaminated with water after the test, and the outside of the wire harness will be relatively moist. It is necessary to manually wipe off the moisture on the outside of the wire harness, which will affect the continuity of the wire harness air tightness detection, thereby resulting in poor practicality.

[0006] To achieve the above object, the present invention provides the following technical solution: a wiring harness air tightness test device, comprising a test platform, a water tank is fixedly connected to the top of the test platform, brackets are fixedly connected to both sides of the water tank, and a drying component is provided on the top of the test platform;

[0007] The drying component includes a horizontal plate, a connecting block fixedly connected to the top of the horizontal plate, two slide grooves opened on one side of the connecting block, a slider arranged in the slide groove, a bidirectional screw connected to the slider, a first motor fixedly connected to the top of the bidirectional screw, a connecting rod fixedly connected to one side of the slider, a fixed plate fixedly connected to the connecting rod, a sponge pad connected to the fixed plate, and an auxiliary component for improving the drying effect. The bidirectional screw is threadedly connected to the slider, and the bidirectional screw is rotatably connected to the connecting block.

[0008] Preferably, the auxiliary component includes vertical plates fixedly connected to both sides of the top of the horizontal plate, a rotating shaft connected to the vertical plates, blades fixedly connected to one end of the rotating shaft, and a driving component for rotating the blades, and the rotating shaft is rotatably connected to the vertical plates.

[0009] Preferably, a moving block is provided above the detection table, an adjustment slot is provided on the top of the moving block, an adjustment block is slidably connected in the adjustment slot, a first screw is provided on one side of the adjustment block, one end of the first screw is fixedly connected to the second motor, the first screw is threadedly connected to the adjustment block, the first screw is rotatably connected to the moving block, and the top of the adjustment block is fixedly connected to the bottom of the horizontal plate.

[0010] Preferably, the driving component includes a driving wheel fixedly connected to the outer side of one of the rotating shafts, a third motor fixedly connected to one end of one of the rotating shafts, a driven wheel fixedly connected to the outer side of the other rotating shaft, and a belt arranged between the driving wheel and the driven wheel, and the driving wheel and the driven wheel are connected by a belt transmission.

[0011] Preferably, a support plate is fixedly connected to the top of the detection platform, a first cylinder is fixedly connected to one side of the support plate, and an output end of the first cylinder is fixedly connected to the moving block.

[0012] Preferably, a second cylinder is fixedly connected to the top of the bracket, the output end of the second cylinder is fixedly connected to a driving plate, an air pump is fixedly connected to one side of the top of the driving plate, the output end of the air pump is fixedly connected to a first air pipe, a pressure gauge is fixedly connected to the other side of the top of the driving plate, and the bottom of the pressure gauge is fixedly connected to the second air pipe.

[0013] Preferably, sliding rods are fixedly connected to both sides of the moving block, and the sliding rods pass through the support plate and are slidably connected to the support plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By setting up the testing table, water tank, bracket and drying components, the first motor can control the rotation of the bidirectional screw, which can drive the two sliders to move in opposite directions, thereby causing the two sponge pads to move in opposite directions. The two sponge pads can come into contact with the wet wire harness, wipe off the moisture on the surface of the wire harness, and quickly dry the wire harness without manual drying, which can reduce labor intensity and ensure the continuity of the wire harness air tightness test. It also ensures the test efficiency, thereby greatly improving the practicality of the device.

[0016] 2. By providing auxiliary components, the third motor can drive the left shaft and driving wheel to rotate, and the right driven wheel and shaft can be rotated through the belt, which can then drive the blades on both sides to rotate. The rotation of the blades can remove moisture on the outside of the wiring harness through air cooling, which can further improve the drying effect of the wiring harness and prevent moisture residue, thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0018] Figure 2 A front view provided for the present utility model;

[0019] Figure 3 The utility model provides Figure 2 A three-dimensional cross-section at AA in the middle;

[0020] Figure 4 The utility model provides Figure 3 Enlarged view of point C in the middle;

[0021] Figure 5 The utility model provides Figure 2 A three-dimensional cross-section of the middle BB;

[0022] Figure 6 The utility model provides Figure 5 Enlarged view of point D in the middle.

[0023] In the figure: 1. test table; 11. water tank; 12. bracket; 21. horizontal plate; 22. connecting block; 23. slide; 24. slider; 25. bidirectional screw; 26. first motor; 27. connecting rod; 28. fixed plate; 29. sponge pad; 31. vertical plate; 32. rotating shaft; 33. blade; 41. moving block; 42. adjusting slot; 43. adjusting block; 44. first screw; 45. second motor; 51. driving wheel; 52. third motor; 53. driven wheel; 54. belt; 61. support plate; 62. first cylinder; 71. second cylinder; 72. driving plate; 73. air pump; 74. first air pipe; 75. barometer; 76. second air pipe; 81. slide. DETAILED DESCRIPTION

[0024] The following will be combined with the 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.

[0025] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 as well as Figure 5The utility model provides a technical solution: a wiring harness air tightness test device, including a test platform 1, a water tank 11 is fixedly connected to the top of the test platform 1, and brackets 12 are fixedly connected to both sides of the water tank 11. A drying component is provided on the top of the test platform 1, and the drying component includes a horizontal plate 21, a connecting block 22 fixedly connected to the top of the horizontal plate 21, two slide grooves 23 opened on one side of the connecting block 22, a slider 24 provided in the slide groove 23, a bidirectional screw 25 connected to the slider 24, a first motor 26 fixedly connected to the top of the bidirectional screw 25, a connecting rod 27 fixedly connected to one side of the slider 24, a fixing plate 28 fixedly connected to the connecting rod 27, a sponge pad 29 connected to the fixing plate 28, and an auxiliary component for improving the drying effect. The bidirectional screw 25 and The slider 24 is screwed, and the bidirectional screw 25 is rotatably connected to the connecting block 22. The first motor 26 can drive the bidirectional screw 25 to rotate. The rotation of the bidirectional screw 25 can drive the two sliders 24 to move in opposite directions, which can facilitate the movement of the sponge pad 29. The sponge pad 29 moves and contacts the wiring harness, so the wiring harness can be dried without artificial drying, which can ensure the continuity of wiring harness detection. A moving block 41 is provided above the detection table 1, and an adjusting slot 42 is provided on the top of the moving block 41. An adjusting block 43 is slidably connected in the adjusting slot 42. A first screw 44 is provided on one side of the adjusting block 43, and one end of the first screw 44 is fixedly connected to the second motor 45. The first screw 44 is screwed to the adjusting block 43, and the first screw 44 is rotatably connected to the moving block 41. The top of the adjusting block 43 is connected to The bottom of the horizontal plate 21 is fixedly connected, and the second motor 45 can control the rotation of the first screw 44. The rotation of the first screw 44 can drive the adjusting block 43 to move left and right, and then drive the sponge pad 29 to move left and right, so that different positions of the wiring harness can be dried. The top of the testing platform 1 is fixedly connected to a support plate 61, and one side of the support plate 61 is fixedly connected to a first cylinder 62. The output end of the first cylinder 62 is fixedly connected to the moving block 41. The first cylinder 62 can drive the moving block 41 to move back and forth, which can facilitate the contact between the sponge pad 29 and the wiring harness for drying. The top of the bracket 12 is fixedly connected to a second cylinder 71, and the output end of the second cylinder 71 is fixedly connected to a driving plate 72. The top side of the driving plate 72 is fixedly connected to an air pump 73, and the air pump 73 outputs The outlet end is fixedly connected to a first air pipe 74, and a pressure gauge 75 is fixedly connected to the other side of the top of the driving plate 72. The bottom of the pressure gauge 75 is fixedly connected to a second air pipe 76. One end of the wiring harness is installed on the first air pipe 74, and the other end is connected to the second air pipe 76. The air pump 73 can ventilate the wiring harness when it works, and the air pressure value can be observed through the pressure gauge 75. When it reaches the specified pressure, it stops. The second cylinder 71 can control the vertical movement of the driving plate 72, and then drive the wiring harness to move into the water tank 11. The air tightness of the wiring harness can be judged by observing whether there are bubbles. The two sides of the moving block 41 are respectively fixedly connected to sliding rods 81. The sliding rod 81 passes through the support plate 61 and is slidably connected to the support plate 61. The sliding rod 81 can move synchronously with the moving block 41 to prevent the moving block 41 from skewing.Improve the forward and backward movement stability of the moving block 41.

[0026] See also Figure 1 、 Figure 2 、 Figure 5 as well as Figure 6 The auxiliary components include vertical plates 31 fixedly connected to both sides of the top of the horizontal plate 21, a rotating shaft 32 connected to the vertical plates 31, a blade 33 fixedly connected to one end of the rotating shaft 32, and a driving component for rotating the blade 33. The rotating shaft 32 is rotatably connected to the vertical plates 31. The rotation of the two rotating shafts 32 can drive the blade 33 to rotate. The rotation of the blade 33 can cool and remove the moisture on the outside of the wire harness, which can improve the drying performance of the wire harness. The driving component includes a driving wheel 51 fixedly connected to the outside of one of the rotating shafts 32, a driving wheel 51 fixedly connected to one end of one of the rotating shafts 32 The third motor 52, a driven wheel 53 fixedly connected to the outside of the other rotating shaft 32, and a belt 54 arranged between the driving wheel 51 and the driven wheel 53, the driving wheel 51 and the driven wheel 53 are connected by the belt 54, the third motor 52 and the driving wheel 51 are fixedly connected to the left rotating shaft 32, the third motor 52 can control the rotation of the left rotating shaft 32 and the driving wheel 51, the driven wheel 53 is fixedly connected to the right rotating shaft 32, and the belt 54 can drive the driven wheel 53 and the right rotating shaft 32 to rotate, thereby providing power for the two rotating shafts 32, which can reduce the cost of use.

[0027] Working principle: When working, fix one end of the wiring harness to the first air pipe 74 and the other end to the second air pipe 76, start the air pump 73, and the air pump 73 can ventilate the wiring harness. The air pressure value can be observed through the pressure gauge 75. When the specified pressure is reached, it stops, and the second cylinder 71 can control the vertical movement of the driving plate 72, which can then drive the wiring harness to move into the water tank 11. The air tightness of the wiring harness can be judged by observing whether there are bubbles. After the test is completed, start the second cylinder 71 to drive the driving plate 72 to move upward, which can then drive the wiring harness out of the water tank 11. At this time, the first cylinder 62 can be started, and the first cylinder 62 can push the moving block 41 to move. The movement of the moving block 41 can drive the horizontal plate 21 to move. The horizontal plate 21 can drive the connecting block 22 to move, which can then drive the sponge pad 29 to move, so that the sponge pad 29 moves to the upper and lower sides of the wiring harness, start the first motor 26, and the second A motor 26 can drive the bidirectional screw 25 to rotate. The rotation of the bidirectional screw 25 can drive the two sliders 24 to move toward the middle, and then drive the sponge pad 29 to move, so that the sponge pad 29 contacts the wiring harness. Start the third motor 52. The third motor 52 can drive the left and driving wheels 51 to rotate. The belt 54 can drive the driven wheel 53 and the right rotating shaft 32 to rotate, and then drive the blade 33 to rotate. Start the second motor 45. The second motor 45 can drive the first screw 44 to rotate, and then move the adjustment block 43, and then drive the sponge pad 29 to move. The movement of the sponge pad 29 can dry the wiring harness. At the same time, the rotation of the blade 33 can blow the wiring harness dry, which can improve the drying effect. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0028] 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wiring harness air tightness testing device, comprising a testing platform (1), characterized in that: A water tank (11) is fixedly connected to the top of the testing platform (1), brackets (12) are fixedly connected to both sides of the water tank (11), and a drying component is provided on the top of the testing platform (1); The drying component comprises a transverse plate (21), a connecting block (22) fixedly connected to the top of the transverse plate (21), two chutes (23) opened on one side of the connecting block (22), a slider (24) arranged in the chutes (23), a bidirectional screw (25) connected to the slider (24), a first motor (26) fixedly connected to the top of the bidirectional screw (25), a connecting rod (27) fixedly connected to one side of the slider (24), a fixing plate (28) fixedly connected to the connecting rod (27), a sponge pad (29) connected to the fixing plate (28), and an auxiliary component for improving the drying effect. The bidirectional screw (25) is screwed to the slider (24), and the bidirectional screw (25) is rotatably connected to the connecting block (22).

2. The wiring harness air tightness testing device according to claim 1, characterized in that: The auxiliary component comprises a vertical plate (31) fixedly connected to both sides of the top of the horizontal plate (21), a rotating shaft (32) connected to the vertical plate (31), a blade (33) fixedly connected to one end of the rotating shaft (32), and a driving component for rotating the blade (33); the rotating shaft (32) is rotatably connected to the vertical plate (31).

3. The wiring harness air tightness testing device according to claim 1, characterized in that: A moving block (41) is provided above the detection platform (1), an adjusting slot (42) is provided on the top of the moving block (41), an adjusting block (43) is slidably connected in the adjusting slot (42), a first screw (44) is provided on one side of the adjusting block (43), one end of the first screw (44) is fixedly connected to a second motor (45), the first screw (44) is screwed to the adjusting block (43), the first screw (44) is rotatably connected to the moving block (41), and the top of the adjusting block (43) is fixedly connected to the bottom of the horizontal plate (21).

4. The wiring harness air tightness testing device according to claim 2, characterized in that: The driving component comprises a driving wheel (51) fixedly connected to the outside of one of the rotating shafts (32), a third motor (52) fixedly connected to one end of one of the rotating shafts (32), a driven wheel (53) fixedly connected to the outside of the other rotating shaft (32), and a belt (54) provided between the driving wheel (51) and the driven wheel (53), wherein the driving wheel (51) and the driven wheel (53) are connected in a transmission manner via the belt (54).

5. The wiring harness air tightness testing device according to claim 3, characterized in that: A support plate (61) is fixedly connected to the top of the detection platform (1), a first cylinder (62) is fixedly connected to one side of the support plate (61), and an output end of the first cylinder (62) is fixedly connected to the moving block (41).

6. The wiring harness air tightness testing device according to claim 1, characterized in that: The top of the bracket (12) is fixedly connected to a second cylinder (71), the output end of the second cylinder (71) is fixedly connected to a driving plate (72), one side of the top of the driving plate (72) is fixedly connected to an air pump (73), the output end of the air pump (73) is fixedly connected to a first air pipe (74), the other side of the top of the driving plate (72) is fixedly connected to a pressure gauge (75), and the bottom of the pressure gauge (75) is fixedly connected to a second air pipe (76).

7. The wiring harness air tightness testing device according to claim 5, characterized in that: Sliding rods (81) are fixedly connected to both sides of the moving block (41), and the sliding rods (81) pass through the supporting plate (61) and are slidably connected to the supporting plate (61).

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