Air tightness detection device for automobile wire harness

By designing a detachment and replacement device, the efficient removal of the automotive wiring harness airtightness testing device and the convenient replacement of the limiting plate were achieved, solving the problem of low testing efficiency and improving testing efficiency and effectiveness.

CN224216225UActive Publication Date: 2026-05-08SANXIAN (HEBI) ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SANXIAN (HEBI) ELECTRONIC TECH CO LTD
Filing Date
2025-07-16
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

In the use of existing automotive wiring harness airtightness testing devices, workers need to spend a lot of time unplugging the wiring harness after testing, which reduces testing efficiency.

Method used

A detection device including a disconnection device and a replacement device was designed. The disconnection device realizes automatic pull-out of the wire harness through the cooperation of a cylinder, a push plate and a clamping plate. The replacement device facilitates the replacement of the limit plate through the design of a limit rod and a stabilizing rod.

Benefits of technology

It improves the efficiency of workers removing wire harnesses, prevents wire harnesses from loosening during fixing, and enhances the detection effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile wire harness air tightness detection, in particular to an automobile wire harness air tightness detection device which comprises a detector, a fixing frame installed at the connecting end of the detector, a detection probe installed on a driver of the fixing frame, a sealer arranged above the fixing frame, and a separating device arranged on the inner side of the fixing frame. The separating device comprises a guide groove, the guide groove is formed in the lower surface of the fixing frame, a first sliding block is slidably connected into the guide groove, the sealer is fixedly connected with the upper surface of the first sliding block, a driving motor is fixedly connected to one side of the fixing frame, an adjusting rod is fixedly connected to the driving end of the driving motor, and the adjusting rod is rotationally connected with the interior of the fixing frame. According to the utility model, through the arrangement of the detection device, a worker can effectively and conveniently pull out the automobile wire harness rapidly, the worker is prevented from spend a lot of time to pull out the detected automobile wire harness, and the efficiency of detecting the automobile wire harness by the worker is further improved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive wiring harness air tightness testing technology, and in particular to an automotive wiring harness air tightness testing device. Background Technology

[0002] An automotive wiring harness air tightness testing device is a device used to detect whether there are leaks inside the wiring harness. It is mainly used to ensure that the air tightness of the wiring harness meets quality requirements. The automotive wiring harness air tightness testing device is mainly used in the automotive wiring harness manufacturing process to test the sealing performance of components such as wiring harness connectors and sheaths, ensuring that the wiring harness works normally in complex environments such as humidity and dust, and ensuring the reliability and safety of automotive electrical systems.

[0003] When workers need to perform airtightness testing on automotive wiring harnesses, they place the harness on a testing device for airtightness testing. However, existing testing devices typically require workers to mount one end of the harness on a mounting bracket and fix the other end in a sealing device for testing. This causes workers to spend a lot of time unplugging the harness after testing, resulting in reduced efficiency in testing automotive wiring harnesses. Utility Model Content

[0004] The purpose of this invention is to solve the problem of reduced efficiency in the inspection of automotive wiring harnesses by workers in the prior art, and to propose an airtightness testing device for automotive wiring harnesses.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an airtightness testing device for automotive wiring harnesses, comprising a detector, a fixed frame installed at the connection end of the detector, a detection probe installed on the driver of the fixed frame, a closure provided above the fixed frame, a release device provided inside the fixed frame, the release device including a guide groove, the guide groove being formed on the lower surface of the fixed frame, a first slider slidably connected inside the guide groove, the closure being fixedly connected to the upper surface of the first slider, a drive motor fixedly connected to one side of the fixed frame, an adjusting rod fixedly connected to the drive end of the drive motor, the adjusting rod being rotatably connected to the interior of the fixed frame, the adjusting rod being threadedly connected to the interior of the first slider, a clamping assembly provided on the outer surface of the fixed frame, the clamping assembly including a cylinder, the cylinder being fixedly connected to the outer surface of the fixed frame, a push plate fixedly connected to the drive end of the cylinder, the push plate being slidably connected to the outer surface of the fixed frame, a sliding groove being formed on the outer surface of the fixed frame, a second slider slidably connected inside the sliding groove, the cylinder and the push plate cooperating to achieve the purpose of controlling the opening and closing of the adjusting bar.

[0006] Preferably, a clamping plate is fixedly connected to the upper surface of the second slider, and an adjusting bar is rotatably connected between the second slider and the push plate. The second slider, the clamping plate, and the adjusting bar work together to achieve the purpose of adjusting the clamping plate to hold the automotive wiring harness.

[0007] Preferably, the upper surface of the fixing frame is provided with a replacement device, the replacement device including a placement hole, the placement hole being opened on the upper surface of the fixing frame, the placement hole being able to cooperate with the fixing frame to achieve the purpose of storing the stabilizing rod.

[0008] Preferably, a stabilizing rod is inserted and connected inside the placement hole. The stabilizing rod is located on one side of the second slider and can cooperate with the placement hole to support the limiting plate.

[0009] Preferably, a limiting plate is fixedly connected to the upper surface of the stabilizer bar. The limiting plate is placed on the upper surface of the fixing frame and can cooperate with the stabilizer bar to restrict the vehicle wiring harness.

[0010] Preferably, the internal thread of the fixing frame is connected to a limiting rod, which is inserted into the inside of the stabilizing rod. The limiting rod can cooperate with the fixing frame and the stabilizing rod to prevent the stabilizing rod from detaching from the fixing frame.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, by setting a detachment device, when the worker needs to quickly unplug the automotive wiring harness, the worker simultaneously activates the cylinder and the sealing device. The sealing device opens, the cylinder pulls the push plate, the push plate pulls the adjusting bar, the adjusting bar pulls the second slider, the second slider is guided by the sliding groove, the second slider drives the clamping plate, the two clamping plates move closer to each other, the clamping plates hold the automotive wiring harness, the drive motor is automatically started, the drive motor drives the adjusting rod, the adjusting rod adjusts the first slider, the first slider is guided by the guide groove, the first slider drives the sealing device to slide, the automotive wiring harness detaches from the sealing device, and the worker pulls the automotive wiring harness out of the limiting plate. By setting a detection device, it can effectively facilitate the worker to quickly unplug the automotive wiring harness, avoiding the worker having to spend a lot of time unplugging the tested automotive wiring harness, thereby improving the worker's efficiency in testing automotive wiring harnesses.

[0013] 2. In this utility model, by setting a replacement device, when the worker needs to replace the severely worn limit plate, the worker rotates the limit rod, the limit rod retracts and disengages from the stabilizing rod, the worker removes the limit plate from the fixing frame for replacement, the worker places the new limit plate on the fixing frame, and reverses the above steps. By setting a replacement device, the worker can effectively and conveniently replace the severely worn limit plate, avoid the situation of loosening when fixing the automotive wiring harness, and thus improve the detection effect of the detection device. Attached Figure Description

[0014] Figure 1 A three-dimensional structural schematic diagram of an airtightness testing device for automotive wiring harnesses is provided for this utility model.

[0015] Figure 2 This utility model provides a schematic diagram of the disengagement device of an automotive wiring harness airtightness testing device.

[0016] Figure 3 This invention provides an airtightness testing device for automotive wiring harnesses. Figure 2 Enlarged structural diagram at point A in the middle;

[0017] Figure 4 This utility model provides a schematic diagram of the replacement device structure for an automotive wiring harness airtightness testing device.

[0018] Figure 5 This invention provides an airtightness testing device for automotive wiring harnesses. Figure 4 Enlarged structural diagram at point B.

[0019] Legend:

[0020] 1. Detector; 2. Detection probe; 3. Disengagement device; 31. First slider; 32. Adjusting rod; 33. Drive motor; 34. Guide groove; 35. Slide groove; 36. Clamping plate; 37. Second slider; 38. Push plate; 39. Cylinder; 310. Adjusting bar; 4. Replacement device; 41. Limiting plate; 42. Stabilizing rod; 43. Placement hole; 44. Limiting rod; 5. Fixing frame; 6. Sealer. Detailed Implementation

[0021] Please see Figures 1-5 This utility model provides a technical solution: an airtightness testing device for automotive wiring harnesses, including a detector 1, a fixing frame 5 installed at the connection end of the detector 1, a detection probe 2 installed on the driver of the fixing frame 5, a sealing device 6 provided above the fixing frame 5, and a disengagement device 3 provided on the inner side of the fixing frame 5.

[0022] The specific setup and function of the detachment device 3 and the replacement device 4 will be explained in detail below.

[0023] In this embodiment: the detachment device 3 includes a guide groove 34, which is formed on the lower surface of the fixed frame 5. A first slider 31 is slidably connected inside the guide groove 34. The closure 6 is fixedly connected to the upper surface of the first slider 31. A drive motor 33 is fixedly connected to one side of the fixed frame 5. An adjusting rod 32 is fixedly connected to the drive end of the drive motor 33. The adjusting rod 32 is rotatably connected to the inside of the fixed frame 5. The adjusting rod 32 is threadedly connected to the inside of the first slider 31. A clamping assembly is provided on the outer surface of the fixed frame 5.

[0024] Specifically, the clamping assembly includes a cylinder 39, which is fixedly connected to the outer surface of the fixed frame 5. A push plate 38 is fixedly connected to the drive end of the cylinder 39. The push plate 38 is slidably connected to the outer surface of the fixed frame 5. A slide groove 35 is provided on the outer surface of the fixed frame 5. A second slider 37 is slidably connected inside the slide groove 35. The cylinder 39 and the push plate 38 work together to achieve the purpose of controlling the opening and closing of the adjustment bar 310.

[0025] Specifically, a clamping plate 36 is fixedly connected to the upper surface of the second slider 37, and an adjusting strip 310 is rotatably connected between the second slider 37 and the push plate 38.

[0026] In this embodiment, the second slider 37, the clamping plate 36, and the adjusting bar 310 work together to achieve the purpose of adjusting the clamping plate 36 to hold the automotive wiring harness.

[0027] In this embodiment: a replacement device 4 is provided on the upper surface of the fixing frame 5. The replacement device 4 includes a placement hole 43, which is opened on the upper surface of the fixing frame 5. The placement hole 43 can cooperate with the fixing frame 5 to achieve the purpose of storing the stabilizing rod 42.

[0028] Specifically, a stabilizing rod 42 is inserted and connected inside the placement hole 43, and the stabilizing rod 42 is located on one side of the second slider 37.

[0029] In this embodiment, the stabilizing rod 42 can cooperate with the placement hole 43 to support the limiting plate 41.

[0030] Specifically, a limiting plate 41 is fixedly connected to the upper surface of the stabilizer bar 42. The limiting plate 41 is placed on the upper surface of the fixing frame 5. The limiting plate 41 can cooperate with the stabilizer bar 42 to achieve the purpose of limiting the vehicle wiring harness.

[0031] Specifically, the internal threaded connection of the fixing frame 5 is a limiting rod 44, and the limiting rod 44 is internally inserted into the stabilizing rod 42.

[0032] In this embodiment, the limiting rod 44 can cooperate with the fixing frame 5 and the stabilizing rod 42 to prevent the stabilizing rod 42 from detaching from the fixing frame 5.

[0033] Working principle: By setting up the detachment device 3, when the worker needs to quickly pull out the automotive wiring harness, the worker simultaneously activates the cylinder 39 and the sealing device 6. The sealing device 6 opens, the cylinder 39 pulls the push plate 38, the push plate 38 pulls the adjusting bar 310, the adjusting bar 310 pulls the second slider 37, the second slider 37 is guided by the slide groove 35, the second slider 37 drives the clamping plate 36, the two clamping plates 36 move closer to each other, the clamping plates 36 clamp the automotive wiring harness, the drive motor 33 is automatically started, the drive motor 33 drives the adjusting rod 32, the adjusting rod 32 adjusts the first slider 31, the first slider 31 is guided by the guide groove 34, the first slider 31 drives the sealing device 6 to slide, the automotive wiring harness detaches from the sealing device 6, the worker pulls the automotive wiring harness out of the limiting plate 41, and the detection is set. The device effectively and conveniently allows workers to quickly unplug automotive wiring harnesses, avoiding the need for them to spend a lot of time unplugging the harnesses after inspection, thus improving the efficiency of the inspection. Furthermore, by setting up the replacement device 4, when the worker needs to replace the severely worn limit plate 41, the worker rotates the limit rod 44, which retracts and disengages from the stabilizing rod 42. The worker then removes the limit plate 41 from the mounting bracket 5 for replacement. The worker then places the new limit plate 41 on the mounting bracket 5 and repeats the above steps. By setting up the replacement device 4, the worker can effectively and conveniently replace the severely worn limit plate 41, preventing the automotive wiring harness from becoming loose during installation, thereby improving the inspection effect of the testing device.

Claims

1. An airtightness testing device for automotive wiring harnesses, comprising a detector (1), characterized in that: The detector (1) is connected to a mounting bracket (5), the mounting bracket (5) is equipped with a detection probe (2), and a closure (6) is provided above the mounting bracket (5). The inner side of the fixing frame (5) is provided with a release device (3), the release device (3) includes a guide groove (34), the guide groove (34) is opened on the lower surface of the fixing frame (5); The guide groove (34) is slidably connected to a first slider (31). The closure (6) is fixedly connected to the upper surface of the first slider (31). A drive motor (33) is fixedly connected to one side of the fixing frame (5). An adjusting rod (32) is fixedly connected to the drive end of the drive motor (33). The adjusting rod (32) is rotatably connected to the inside of the fixing frame (5). The adjusting rod (32) is threadedly connected to the inside of the first slider (31). A clamping assembly is provided on the outer surface of the fixing frame (5).

2. The airtightness testing device for automotive wiring harnesses according to claim 1, characterized in that: The clamping assembly includes a cylinder (39), which is fixedly connected to the outer surface of the fixed frame (5). A push plate (38) is fixedly connected to the drive end of the cylinder (39). The push plate (38) is slidably connected to the outer surface of the fixed frame (5). A groove (35) is provided on the outer surface of the fixed frame (5). A second slider (37) is slidably connected inside the groove (35).

3. The airtightness testing device for automotive wiring harnesses according to claim 2, characterized in that: A clamp (36) is fixedly connected to the upper surface of the second slider (37), and an adjusting strip (310) is rotatably connected between the second slider (37) and the push plate (38).

4. The airtightness testing device for automotive wiring harnesses according to claim 1, characterized in that: The upper surface of the fixing frame (5) is provided with a replacement device (4), the replacement device (4) includes a placement hole (43), the placement hole (43) is opened on the upper surface of the fixing frame (5).

5. The airtightness testing device for automotive wiring harnesses according to claim 4, characterized in that: A stabilizing rod (42) is inserted into the placement hole (43) and is located on one side of the second slider (37).

6. The airtightness testing device for automotive wiring harnesses according to claim 5, characterized in that: A limiting plate (41) is fixedly connected to the upper surface of the stabilizer (42), and the limiting plate (41) is placed on the upper surface of the fixing frame (5).

7. The airtightness testing device for automotive wiring harnesses according to claim 4, characterized in that: The internal threaded connection of the fixing frame (5) is a limiting rod (44), and the limiting rod (44) is internally inserted into the stabilizing rod (42).