Wire harness mounting hole checking fixture

Abstract

The utility model relates to the technical field of hole position testing fixture, especially line harness mounting hole position testing fixture, its safe and stable storage space is provided for detection structure through accomodation structure, and the carrying and storage of equipment are convenient, and detection efficiency is improved through detection structure, and the position precision of all hole positions is measured one time, and the practicality of device is improved, modularization design reduces testing fixture quantity, and single set of tool can cover one time, reduces purchase cost and management cost, and there is no elastic element design, and the theoretical life is unlimited, is applicable to high frequency detection scene, and detection precision is high, and the practicality is improved, accomodation structure and detection structure are included, and detection structure can be put into accomodation structure.

Description

Technical Field

[0001] This utility model relates to the technical field of hole position gauges, and in particular to wire harness installation hole position gauges. Background Technology

[0002] The positional accuracy of wire harness fixing holes directly affects assembly precision and operational stability. Traditional hole-by-hole inspection methods are inefficient, unable to detect the relative positions of multiple holes, and prone to cumulative errors. Even worse, some manufacturers do not perform incoming material inspection of wire harness fixing holes, only revealing problems during wire harness assembly, leading to equipment alarms, low OEE, and impacting production efficiency. This paper designs an integrated inspection fixture based on the GB / T 8069-2024 "Product Geometric Technical Specifications - Functional Gauges" standard. It achieves simultaneous multi-hole inspection and triple positioning references, balancing inspection accuracy, relative positional accuracy, and operational efficiency. It is suitable for batch inspection of wire harnesses in the automotive, new energy, and other fields.

[0003] Traditional manual inspection relies on calipers or plug gauges to measure each hole individually, with a single hole inspection taking more than fifteen seconds, which cannot meet the efficiency requirements of batch incoming material inspection. Manual visual inspection is easily affected by light and oil, making it difficult to identify minute hole position deviations, resulting in a missed inspection rate of up to 5%. Moreover, the inspection results are greatly affected by the professionalism and operating habits of the inspectors. Furthermore, the positioning benchmark cannot be accurately defined, leading to low reliability of the measurement results. Traditional plug gauges or calipers are numerous, easily worn, and easily scattered, making them difficult to manage and maintain.

[0004] PA66 is a high-performance engineering plastic belonging to the thermoplastic polyamide class. It features high strength and rigidity, excellent wear resistance, and strong fatigue resistance. Glass fiber, usually written as GF, can be used as a reinforcement in composite materials, significantly improving the material's strength, hardness, impact resistance, and flame retardancy. Utility Model Content

[0005] To address the aforementioned technical issues, this utility model provides a wire harness installation hole position gauge that offers a safe and stable storage space for the detection structure through a storage structure, facilitating equipment handling and storage. The detection structure improves detection efficiency, allowing for one-time measurement of the positional accuracy of all holes, thus enhancing the device's practicality. The modular design reduces the number of gauges, with a single set of tools covering all positions at once, lowering procurement and management costs. The design with no inelastic components provides an theoretically unlimited lifespan, making it suitable for high-frequency detection scenarios. It offers high detection accuracy and enhances the practicality of this wire harness installation hole position gauge.

[0006] This utility model relates to a wire harness mounting hole position gauge, comprising a storage structure and a detection structure. The detection structure can be placed inside the storage structure. The storage structure provides a safe and stable storage space for the detection structure, facilitating equipment handling and storage. The detection structure improves detection efficiency, allowing for one-time measurement of the positional accuracy of all holes, thus enhancing the practicality of the device. The modular design reduces the number of gauges, with a single set of tools covering all positions at once, lowering procurement and management costs. The design with no inelastic components provides an unlimited theoretical lifespan, making it suitable for high-frequency detection scenarios. It offers high detection accuracy and further enhances practicality.

[0007] Preferably, the storage structure includes a nylon storage base, a storage slot, and storage holes. The nylon storage base is provided with a storage slot, and the storage slot is provided with multiple sets of storage holes. The storage slot on the nylon storage base provides a storage location for the detection structure, which is convenient for transportation and storage. The storage holes in the storage slot protect the positioning pin, which improves the practicality of the device.

[0008] Preferably, the detection structure includes an integrated connecting block, a secondary connecting block, positioning pins, and a first handle. The secondary connecting block is bolted to the integrated connecting block. Multiple sets of positioning pins are installed on the integrated connecting block and the secondary connecting block. The first handle is installed on the upper surface of the integrated connecting block. A reference plane is formed by combining the planes of all the holes to be detected, which fits with the planes of the integrated connecting block and the secondary connecting block. Multiple sets of positioning pins are installed on the integrated connecting block and the secondary connecting block in conjunction with the multiple sets of hole axis positions. The plane of all the holes forms a planar positioning reference plane, and the positioning pins are installed in conjunction with the axis position of the hole to be detected. This dual positioning improves the detection accuracy. The equipment is equipped with a first handle for easy operation, optimizes ergonomics, and the multiple sets of positioning pins installed on the integrated connecting block and the secondary connecting block can measure the positional accuracy of all holes at once.

[0009] Preferably, it also includes a second handle, with a set of second handles provided on each of the left and right sides of the nylon storage base; the second handles on the left and right sides of the nylon storage base facilitate the operator to move the equipment, improving the practicality of the device.

[0010] Preferably, the first handle is made of PA66+% GF material and filled with a high-temperature resistant silicone damping layer. By using PA66+% GF material for the first handle and filling it with a high-temperature resistant silicone damping layer, more than % of vibration energy is absorbed, which improves the detection stability and accuracy of the device and facilitates rapid detection by operators.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the storage structure provides a safe and stable storage space for the detection structure, which facilitates the handling and storage of the equipment; the detection structure improves the detection efficiency; the positional accuracy of all holes can be measured at one time, which improves the practicality of the device; the modular design reduces the number of inspection tools, and a single set of tools can cover all at once, reducing procurement and management costs; the design without inelastic components has an unlimited theoretical lifespan, is suitable for high-frequency detection scenarios, and has high detection accuracy, which improves practicality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the first isometric structure of this utility model; Figure 2 This is a schematic diagram of the first exploded structure of this utility model; Figure 3 This is a schematic diagram of the second explosive structure of this utility model; Figure 4 This is a schematic diagram of the second isometric structure of this utility model; Figure 5 This is a schematic diagram of the third isometric structure of this utility model; The attached diagram is labeled as follows: 1. Nylon storage base; 2. Storage slot; 3. Integrated connecting block; 4. Secondary connecting block; 5. Positioning pin; 6. First handle; 7. Storage hole; 8. Second handle. Detailed Implementation

[0013] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0014] Example 1 Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the detection structure is placed within the storage structure; First, organize the wire harness branches. Place the wire harness skeleton flat on the workbench with the reverse side facing up. Hold the tool handle with both hands and slowly remove the tool from the tool storage base, being careful not to bump it. Take the tool and match it to the wire harness fixing holes, ensuring that each fixing hole of the wire harness is coaxially aligned with the corresponding test pin hole of the tool. Ensure that the positioning reference plane of the tool can perfectly fit the plane of all wire harness fixing holes. Hold the handle and gently press the tool. If it can be smoothly inserted into all holes in one go, and there is no obvious shaking after insertion with a radial gap ≤0.03mm, and the plane fits perfectly, the position of all holes is considered qualified. If insertion is obstructed, do not force it. Check whether the wire harness is misaligned or the hole is deformed. Adjust and try again. If it still cannot be inserted, it is considered unqualified. The storage structure includes a nylon storage base 1, a storage slot 2, and storage holes 7. The nylon storage base 1 is provided with a storage slot 2, and the storage slot 2 is provided with multiple sets of storage holes 7. The detection structure includes an integrated connecting block 3, a secondary connecting block 4, positioning pins 5, and a first handle 6. The secondary connecting block 4 is bolted to the integrated connecting block 3. Multiple sets of positioning pins 5 are installed on the integrated connecting block 3 and the secondary connecting block 4. The first handle 6 is installed on the upper surface of the integrated connecting block 3. The reference plane is formed by combining all the holes to be detected, and it fits with the plane between the integrated connecting block 3 and the secondary connecting block 4. Multiple sets of positioning pins 5 are installed on the integrated connecting block 3 and the secondary connecting block 4 in conjunction with the multiple sets of hole axis. It also includes a second handle 8, with a set of second handles 8 respectively provided on the left and right sides of the nylon storage base 1; The first handle 6 is made of PA66+30% GF material, and the inside is filled with a high-temperature resistant silicone damping layer with a Shore A hardness of 60A. The storage structure provides a safe and stable storage space for the detection structure, which is convenient for the handling and storage of the equipment. The detection structure improves detection efficiency and measures the positional accuracy of all holes at once, which improves the practicality of the device. The modular design reduces the number of inspection tools. A single set of tools can cover all needs at once, which reduces procurement and management costs. The design with no inelastic components has an unlimited theoretical lifespan and is suitable for high-frequency detection scenarios. It has high detection accuracy and improves practicality.

[0015] like Figures 1 to 5As shown, the wire harness mounting hole position gauge of this utility model, when in operation, first arrange the wire harness branches, place the wire harness skeleton flat on the workbench with the reverse side facing up, hold the tool handle with both hands, and slowly take the tool out from the tool storage base, being careful not to bump it. Take the tool and match the wire harness fixing holes, ensuring that each fixing hole of the wire harness is coaxially aligned with the corresponding detection pin hole of the tool, and ensuring that the positioning reference plane of the tool can perfectly fit the plane of all wire harness fixing holes. Hold the handle and gently press the tool. If it can be smoothly inserted into all holes at once, and there is no obvious shaking after insertion, the radial gap is ≤0.03mm, and the plane fits perfectly, the position of all holes is judged to be qualified. If the insertion is blocked, do not force it by knocking. Check whether the wire harness is offset or the hole is deformed. Adjust and try again. If it still cannot be inserted, it is judged to be unqualified.

[0016] The first handle 6 of the wire harness mounting hole position gauge of this utility model is purchased from the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0017] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A wire harness mounting hole position gauge; characterized in that, The device includes a storage structure and a detection structure. The detection structure can be placed into the storage structure. The storage structure includes a nylon storage base (1), a storage slot (2), and a storage hole (7). The nylon storage base (1) is provided with a storage slot (2), and the storage slot (2) is provided with multiple sets of storage holes (7). The detection structure includes an integrated connecting block (3), a secondary connecting block (4), a positioning pin (5), and a first handle (6). The secondary connecting block (4) is installed on the integrated connecting block (3) by bolts. Multiple sets of positioning pins (5) are installed on the integrated connecting block (3) and the secondary connecting block (4). The first handle (6) is installed on the upper surface of the integrated connecting block (3). The plane formed by all the holes to be detected forms a reference plane, which fits with the plane between the integrated connecting block (3) and the secondary connecting block (4). Multiple sets of positioning pins (5) are installed on the integrated connecting block (3) and the secondary connecting block (4) in conjunction with the multiple sets of hole axis.

2. The wire harness mounting hole position gauge as described in claim 1, characterized in that, It also includes a second handle (8), with a set of second handles (8) on the left and right sides of the nylon storage base (1).

3. The wire harness mounting hole position gauge as described in claim 2, characterized in that, It also includes the first handle (6) which is made of PA66+(30)% GF material and filled with a high-temperature resistant silicone damping layer with a Shore hardness of 60A.

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