Electrical safety gap inspection tool

Abstract

The utility model relates to an electrical safety clearance inspection tool, which belongs to the field of wireless devices, comprises three specifications, has different measuring head thicknesses and comprises a measuring head, a connecting part and a handheld part. The tool provided by the utility model improves the inspection efficiency and accuracy of the electrical safety clearance after manual welding of the welding type electric connector, reduces the operation difficulty, and can meet the inspection requirements of the safety clearance of the welding type electric connectors of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of radio equipment, concretely relates to an electrical safety gap inspection tool. BACKGROUND

[0002] With the continuous improvement of the solder cup density of the welding type electrical connector, the difficulty of manual welding is increased, and the welding point spacing is reduced, therefore, the safety gap control between the welding points becomes a new technical risk point. Due to the different skill levels of the operators, the applied soldering tin cannot be accurately controlled when welding the wire, and if the tin amount is too much, the welding point will be too large, and the safety gap of the welding point is reduced. After welding is completed, visual inspection is required for the welding point, but due to the fact that the insulating sleeve is added to the root of the welding wire, the welding point is blocked by the sleeve and cannot be accurately inspected. At present, a convenient, effective and highly applicable welding point gap inspection method needs to be established to solve the electrical safety gap risk control problem. SUMMARY

[0003] The utility model discloses to the shortage of prior art, propose a kind of electrical safety gap inspection tool, by tool structure design, provide a kind of application integrally formed processing and manufacturing mode formation, manufacturing cycle is short, and the inspection tool of simple operation portable is provided.

[0004] The above-mentioned purposes of the utility model are mainly realized by the following technical solutions:

[0005] An electrical safety gap inspection tool includes a measuring head, a connecting part and a handheld part. The connecting part is connected to the measuring head and the handheld part at both ends. The measuring head is a cuboid. The connecting part is designed as a slope. The slope surface is a trapezoid. The trapezoid base surface connected to the measuring head is wider than the measuring head. The trapezoid base surface connected to the handheld part is equal to the width of the handheld part. The upper surface of the handheld part is rectangular. The height of the handheld part is higher than the height of the connecting part to form a step surface.

[0006] The total length of the electrical safety gap inspection tool is 50-80 mm. The length of the handheld part is 15-35 mm.

[0007] The width of the handheld part is 10-20 mm.

[0008] The thickness of the measuring head (1) is 0.64 mm, 0.8 mm or 1.0 mm.

[0009] The length of the measuring head is 7.8-8.5 mm, and the width is 1.27-2.54 mm.

[0010] The trapezoid base surface connected to the measuring head is 3.0-5.0 mm.

[0011] The connecting part has a serrated slope, which makes it easy to grip.

[0012] A trapezoidal groove is provided on the lower surface of the handle to facilitate gripping and applying force.

[0013] The surface of the trapezoidal groove is serrated.

[0014] The connection between the connecting parts and the measuring head is rounded.

[0015] Compared with the prior art, the present invention has at least the following advantages:

[0016] (1) The electrical safety clearance inspection tool of this utility model has a simple structural design, is suitable for one-piece molding and manufacturing mode, has a short manufacturing cycle, and is simple and portable to operate.

[0017] (2) The electrical safety clearance inspection tool of this utility model has wide applicability. For different types of electrical connectors with different solder cup densities, after the wire welding is completed, the corresponding electrical safety clearance inspection tool can be used to check the distance between the solder joints. This effectively avoids the situation of incomplete inspection due to sleeve obstruction, eliminates quality problems such as short circuits caused by the solder joints being too close, and thus ensures the welding quality of the product. Attached Figure Description

[0018] Figure 1 This is the main view of the electrical safety clearance inspection fixture of this utility model;

[0019] Figure 2 This is a top view of the electrical safety clearance inspection fixture of Embodiment 1 of this utility model. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:

[0021] like Figure 1 The diagram shows the electrical safety clearance inspection fixture of this utility model, including a measuring head 1, a connecting part 2, and a handheld part 3. The connecting part 2 is connected to the measuring head 1 and the handheld part 3 at both ends. The measuring head 1 is a cuboid with a thickness of 0.64mm, 0.8mm, or 1.0mm, a length of 7.8–8.5mm, and a width of 1.27–2.54mm. The connecting part 2 has a ramp design with a trapezoidal ramp surface. The length of the trapezoidal base connected to the measuring head 1 is 3.0–5.0mm, and the length of the trapezoidal base connected to the handheld part 3 is equal to the width of the handheld part 3. When soldering solder joints, each row should be soldered, cleaned, tested, and inspected. After cleaning the solder joints, the clearance should be checked individually using a solder joint spacing inspection fixture.

[0022] The electrical safety gap inspection tool has a total length of 50-80mm, the handheld part 3 has a length of 15-35mm and a width of 10-20mm.

[0023] The slope surface of the connecting part 2 is sawtooth-shaped, facilitating holding.

[0024] Based on the welding cup spacing size of the welding type electrical connector, an appropriate specification of electrical safety gap inspection tool is selected for testing, the left hand fixes the connector body, the thumb and the index finger lightly brush the wires of the welding points to be tested, the right hand holds the welding point spacing detection tool, and the measuring head vertically and closely contacts the back surface of the front row of welding cups and uniformly descends until the bottom of the welding surface of the connector.

[0025] The electrical safety gap inspection tool improves the checking efficiency and accuracy of the electrical safety gap of the welding type electrical connector after manual welding, reduces the operation difficulty, and meets the checking requirements of the safety gap of welding type electrical connectors of different specifications.

[0026] Embodiment 1

[0027] As shown in Figure 2 the electrical safety gap inspection tool has a total length of 60mm, the measuring head 1 is a cuboid, has a thickness of 0.64mm, a length of 8.5mm, and a width of 2mm, the handheld part 3 has a length of 20mm and a width of 10mm, the connecting part 2 is designed in a slope shape, the slope surface is trapezoidal, the length of the bottom surface of the trapezoid connected with the measuring head 1 is 4.0mm, the length of the bottom surface of the trapezoid connected with the handheld part 3 is equal to the width of the handheld part 3, the slope surface of the connecting part 2 is sawtooth-shaped, facilitating holding. The upper surface of the handheld part 3 is provided with the thickness size identification of the measuring head 1. The lower surface of the handheld part 3 is provided with a trapezoidal groove, facilitating holding and force exertion. The connecting part 2 and the connecting part of the measuring head 1 are smoothly processed.

[0028] The contents not described in detail in the utility model specification belong to the common knowledge of the person skilled in the art.

Claims

1. An electrical safety gap inspection tool, characterized by: It comprises a measuring head (1), a connecting part (2) and a handheld part (3), the connecting part (2) is connected with the measuring head (1) and the handheld part (3) respectively, the measuring head (1) is a cuboid, the connecting part (2) is designed as a slope, the slope surface is a trapezoid, the width of the trapezoid bottom surface connected with the measuring head (1) is larger than the width of the measuring head, the width of the trapezoid bottom surface connected with the handheld part (3) is equal to the width of the handheld part (3), the upper surface of the handheld part (3) is a rectangle, and the height of the handheld part (3) is higher than the height of the connecting part (2) to form a step surface.

2. An electrical safety gap inspection tool according to claim 1, wherein: The total length of the electrical safety gap inspection tool is 50-80mm, and the length of the handheld part (3) is 15-35mm.

3. An electrical safety gap inspection tool according to claim 1, wherein: The width of the handheld part (3) is 10-20mm.

4. An electrical safety gap inspection tool according to claim 1, wherein: The thickness of the measuring head (1) is 0.64mm, 0.8mm or 1.0mm.

5. An electrical safety gap inspection tool according to claim 1, wherein: The length of the measuring head (1) is 7.8-8.5mm, and the width is 1.27-2.54mm.

6. An electrical safety gap inspection tool according to claim 1, wherein: The width of the trapezoid bottom surface connected with the measuring head (1) of the connecting part (2) is 3.0-5.0mm.

7. An electrical safety gap inspection tool according to claim 1, wherein: The slope surface of the connecting part (2) is serrated, which is beneficial to holding.

8. An electrical safety gap inspection tool according to claim 1, wherein: A trapezoidal groove is arranged on the lower surface of the handheld part (3), which is convenient for holding and exerting force.

9. An electrical safety gap inspection tool according to claim 8, wherein: The surface of the trapezoidal groove is serrated.

10. An electrical safety gap inspection tool according to claim 1, wherein: The connecting part (2) and the connecting part of the measuring head (1) are smoothly processed.

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