Copper bar tooth measuring gauge

Abstract

The utility model belongs to the technical field of detection tool, especially copper bar detects tooth gauge, including base, be equipped with clamp for fixed copper bar on base, still have the slide connection of slide on base, the one end fixed connection of slide far away from clamp has micrometer, the other end slide connection of slide has reference block, the sliding direction of slide is perpendicular to the sliding direction of reference block and with the length direction parallel of copper bar. The utility model discloses through the abutment of reference block and side tooth and the sliding of reference block on slide, thereby can reflect the difference of every side tooth relative standard length when reference block passes every side tooth, ensure the accurate foundation of detection result, both avoid the risk that micrometer upper thimble directly moves between every side tooth and brings the risk that thimble is easy to bend and damage, and make the quality inspection process more convenient.

Description

Technical Field

[0001] This utility model relates to the field of testing tools, specifically to a copper busbar tooth measuring tool. Background Technology

[0002] In the manufacturing process of electrical products, copper busbars are very important electrical connectors.

[0003] In current applications of high-current plug-in / plug-out scenarios, it is necessary to enhance the assembly firmness between the copper busbar and the plastic insulating shell. Therefore, barbed teeth are designed on the side edge of the copper busbar, which are called side teeth. During the injection molding process, the side teeth can form an interlocking fit with the shell.

[0004] Since these teeth are typically integrally molded with the copper busbar body, if the length of the side teeth is too large, the thickness of the outer casing in contact with the longer side teeth will be relatively thin due to the fixed dimensions of the mold. This can potentially damage the outer casing during forceful insertion and removal under high current conditions. Furthermore, the precision of these side teeth also affects the conductivity and material cost of the copper busbar, therefore, necessary inspections of the copper busbar are required before assembly.

[0005] However, these teeth are relatively small, and the quality inspection process for copper busbars generally involves manual sampling. Therefore, it is necessary to design a copper busbar tooth inspection tool that is convenient for manual and quick quality inspection. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a copper busbar tooth measuring tool, which solves the problem of inconvenience in the current manual inspection of the quality of copper busbar side teeth.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a copper busbar measuring tool, including a base, a clamp for fixing the copper busbar on the base, a slide block slidably connected to the base, a dial indicator fixedly connected to one end of the slide block away from the clamp, and a reference block slidably connected to the other end of the slide block. The sliding direction of the slide block is perpendicular to the sliding direction of the reference block and parallel to the length direction of the copper busbar, and the sliding direction of the reference block is aligned with the extension direction of the pin in the dial indicator.

[0008] Preferably, the clamp includes at least one of a buckle, a screw, and a spring clip.

[0009] Preferably, the slide block is slidably connected to the base via a slide rod, and a screw rod parallel to the slide rod is rotatably connected to the base, the screw rod being threadedly engaged with the slide block.

[0010] Preferably, the reference block has a chamfered edge on the surface edge near one end of the clamp.

[0011] Preferably, it also includes a fixture, the clamp being disposed on the fixture; the fixture is provided with a placement platform that matches the shape of the copper busbar; the fixture is also provided with a sliding groove into which the side teeth on the side edge of the copper busbar can extend; a plurality of abutments are slidably connected in the sliding groove by springs.

[0012] Preferably, the fixture includes a positioning plate with a waist-shaped hole, and the placement table is also threaded with a screw that can pass through the waist-shaped hole.

[0013] Preferably, the clamp includes a top rod fixedly connected to the slide, a connecting plate rotatably connected to the other end of the top rod, and a handle rotatably connected to the slide, wherein the middle part of the handle is rotatably connected to the other end of the connecting plate.

[0014] Preferably, the reference block and the slide are provided with pin holes for pin insertion.

[0015] Compared with the prior art, this utility model provides a copper busbar tooth measuring tool, which has the following beneficial effects: This copper busbar tooth measuring tool, through the contact between the reference block and the side teeth and the sliding of the reference block on the slide, can reflect the difference in the relative standard length of each side tooth when the reference block passes through each side tooth. This ensures accurate test results, avoids the risk of the dial indicator's pin being easily bent and damaged due to direct movement between each side tooth, and makes the quality inspection process more convenient. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of the copper busbar measuring tool; Figure 2 This is a three-dimensional structural diagram of the slide in this copper busbar tooth measuring fixture; Figure 3 This is a three-dimensional structural diagram of the fixture in this copper busbar tooth measuring tool; Figure 4 This is a three-dimensional structural diagram of the quick clamp in this copper busbar tooth measuring tool; Figure 5 This is a schematic diagram of the three-dimensional structure of an existing copper busbar.

[0017] In the diagram: A, copper busbar; A1, side teeth; A2, protruding part; 1. Base; 2. Fixture; 21. Positioning plate; 211. Waist-shaped hole; 212. Screw; 22. Quick clamp; 221. Top rod; 222. Connecting plate; 223. Handle; 3. Slide; 31. Slide rod; 32. Screw; 33. Pin hole; 34. Pin; 4. Dial indicator; 5. Reference block; 6. Fixture; 61. Placement platform; 62. Slide groove; 621. Spring; 622. Abutment block. Detailed Implementation

[0018] 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.

[0019] Existing copper busbar A with side teeth A1 Figure 5 As shown, the overall shape is plate-like, with several barbed side teeth A1 on its side edges. When these pass quality inspection by this fixture, they proceed to subsequent bending, stamping, and / or assembly processes. Of course, some copper busbars A may have other protruding parts A2 on their side edges, but these are not used to improve the assembly firmness with the plastic insulating shell. Even if they do improve assembly firmness, they do not act on the inner wall of the plastic insulating shell in the same direction after subsequent bending or stamping processes, so dimensional precision is not a major concern. The fixture proposed in this technical solution is only used for inspecting the side teeth A1; therefore, this technical solution does not consider the protruding parts A2.

[0020] Example 1: Please see Figure 1-5 The present invention provides the following technical solution: a copper busbar measuring tool, including a base 1, a clamp 2 for fixing a copper busbar A on the base 1, a slide block 3 slidably connected to the base 1, a dial indicator 4 fixedly connected to one end of the slide block 3 away from the clamp 2, and a reference block 5 slidably connected to the other end of the slide block 3. The sliding direction of the slide block 3 is perpendicular to the sliding direction of the reference block 5 and parallel to the length direction of the copper busbar A. The sliding direction of the reference block 5 is aligned with the extension direction of the pin in the dial indicator 4. The clamp 2 includes at least one of a buckle, a screw, and a spring clip. The reference block 5 and the slide block 3 are provided with pin holes 33 for the insertion of a pin 34.

[0021] As an optional implementation of this utility model, before testing, the reference block 5 is moved to the edge of the slide block 3 so that the end edge of the reference block 5 near the clamp 2 is at the position of the standard length of the side tooth A1 (or the reference block 5 and the slide block 3 can be fixed on the slide block 3 by inserting the pin 34, at which time the end edge of the reference block 5 near the clamp 2 is at the position of the standard length of the side tooth A1). At this time, the spring 621 pin on the dial indicator 4 is in contact with the reference block 5 and has a preload force. The dial indicator 4 is zeroed, and after zeroing, the pin 34 is removed so that the reference block 5 can slide freely on the slide block 3. During testing, the copper busbar A to be tested is fixed on the base 1 by the clamp 2, and the slide block 3 is pushed so that the reference block 5 passes through and contacts each side tooth A1 in turn. At this time, the reading on the dial indicator 4 is the difference between each side tooth A1 and the standard length value.

[0022] In this technical solution, the "zero point position" of the reference block 5 refers to the standard length position where the end of the reference block 5 near the copper busbar A is aligned with the upper tooth A1 of the copper busbar A. Multiple pin holes 33 can be provided for different specifications of copper busbar A. When the pin 34 is inserted into the pin hole 33 at different positions on the reference block 5, it aligns with the "zero point position" on each specification of copper busbar A. The clamp 2 should be understood as a component that fixes the position of the copper busbar A after it is installed on the base 1, such as a clip, screw, spring clip, magnetic clip, etc. This technical solution does not specifically limit this. Since the position of the copper busbar A is fixed after being fixed by the clamp 2, the "zero point position" of the reference block 5 can be calibrated using a standard copper busbar A. That is, when the top of the reference block 5 contacts the top of the upper tooth A1 of the standard copper busbar A, the position of the reference block 5 at this time is the "zero point position". The dial indicator 4 can be of model ID-C150MXB, which can automatically display the calculated value directly, avoiding the complexity and error of manual calculation and greatly improving the efficiency of manual quality inspection.

[0023] By adopting this implementation method, through the contact between the reference block 5 and the side tooth A1 and the sliding of the reference block 5 on the slide block 3, the reference block 5 can reflect the difference of each side tooth A1 relative to the standard length when it passes through each side tooth A1. This ensures the accuracy of the test results, avoids the risk of the pin on the dial indicator 4 being easily bent and damaged due to the direct movement between each side tooth A1, and makes the quality inspection process more convenient.

[0024] Example 2: Please see Figure 1-5 The present invention provides the following technical solution: a copper busbar measuring tool, including a base 1, a clamp 2 for fixing a copper busbar A on the base 1, a slide block 3 slidably connected to the base 1, a dial indicator 4 fixedly connected to one end of the slide block 3 away from the clamp 2, and a reference block 5 slidably connected to the other end of the slide block 3. The sliding direction of the slide block 3 is perpendicular to the sliding direction of the reference block 5 and parallel to the length direction of the copper busbar A. The sliding direction of the reference block 5 is aligned with the extension direction of the pin in the dial indicator 4. The clamp 2 includes at least one of a buckle, a screw, and a spring clip. The reference block 5 and the slide block 3 are provided with pin holes 33 for the insertion of a pin 34. The slide block 3 is slidably connected to the base 1 through a slide rod 31. A screw 32 parallel to the slide rod 31 is rotatably connected to the base 1. The screw 32 is threadedly engaged with the slide block 3.

[0025] As an optional implementation of this utility model, compared with embodiment 1, this technical solution further limits the installation method of the slide block 3 on the base 1 and the sliding method of the slide block 3, which makes the sliding of the slide block 3 on the base 1 more stable.

[0026] Furthermore, the surface edge of the reference block 5 near the end of the clamp 2 is chamfered.

[0027] As an optional implementation of this utility model, it can further improve the stability of the reference block 5 when passing adjacent side teeth A1 and avoid collisions. Of course, it can also be rounded.

[0028] like Figure 3 and Figure 5 As shown, it also includes a fixture 6, with a clamp 2 mounted on the fixture 6; the fixture 6 is provided with a placement platform 61 that matches the shape of the copper busbar A; the fixture 6 is also provided with a sliding groove 62 into which the side teeth A1 on the side edge of the copper busbar A can extend; a number of abutments 622 are slidably connected in the sliding groove 62 by a spring 621.

[0029] As an optional implementation of this utility model, before testing, the copper busbar A to be tested is placed on the placement platform 61, so that the side teeth A1 on one side of the copper busbar A are aligned with the slide groove 62 of the fixture 6. Then, the copper busbar A is positioned by the clamp 2 to ensure that the copper busbar A will not shift relative to the fixture 6 due to the force of the reference block 5 during the testing process, making the installation process of the copper busbar A on this fixture more convenient. Subsequently, each abutment block 622 in the slide groove 62 is in contact with each side tooth A1 due to the pressure of the spring 621. At this time, the position of the abutment block 622 is the actual length of each side tooth A1. During testing, the length of the side tooth A1 is detected by the contact between the reference block 5 and each abutment block 622.

[0030] This technical solution improves the detection efficiency of copper busbar A by further defining the installation method of copper busbar A on base 1. Simultaneously, the detection process is achieved through the cooperation of the abutment block 622 and the reference block 5, preventing friction on the surface of the side teeth A1 caused by the sliding of the reference block 5, which would otherwise wear the copper busbar A. For spring 621, its elastic coefficient should be greater than the spring force of the pin in dial indicator 4 to prevent the abutment block 622 from being deflected by the reference block 5, thus avoiding inaccurate detection values.

[0031] Furthermore, the fixture 2 includes a positioning plate 21, which has a waist-shaped hole 211, and the placement table 61 is also threaded with a screw 212 that can pass through the waist-shaped hole 211.

[0032] As an optional implementation of this utility model, after the copper busbar A to be tested is placed on the placement platform 61, the positioning plate 21 can limit the copper busbar A in the sliding direction of the slide block 3; the setting of the waist-shaped hole 211 makes the position of the positioning plate 21 variable so as to adapt to copper busbars A of different lengths.

[0033] Furthermore, the clamp 2 includes a top rod 221 fixedly connected to the slide 3, a connecting plate 222 rotatably connected to the other end of the top rod 221, and a handle 223 rotatably connected to the slide 3, with the middle part of the handle 223 rotatably connected to the other end of the connecting plate 222.

[0034] As an optional implementation of this utility model, a quick clamp 22 is actually constructed, such as the quick clamp with model number DEMA-304C, which is existing technology. After the quality inspector places the copper busbar A, he only needs to turn the handle 223 to drive the top rod 221 to slide so that the clamping head clamps the copper busbar A. When the handle is released, the top rod 221 will not slide naturally, ensuring the stable clamping of the copper busbar A.

[0035] The working principle and usage process of this utility model are as follows: Before testing, move the reference block 5 to the edge of the slide block 3 so that the end edge of the reference block 5 near the clamp 2 is at the position of the standard length of the side tooth A1 (or the reference block 5 and the slide block 3 can be fixed on the slide block 3 by inserting the pin 34, at which time the end edge of the reference block 5 near the clamp 2 is at the position of the standard length of the side tooth A1). At this time, the spring 621 pin on the dial indicator 4 is in contact with the reference block 5 and has a preload. Zero the dial indicator 4, and after zeroing, remove the pin 34 so that the reference block 5 can slide freely on the slide block 3. During testing, fix the copper busbar A to be tested on the base 1 through the clamp 2, push the slide block 3 so that the reference block 5 passes through and contacts each side tooth A1 in turn. At this time, the reading on the dial indicator 4 is the difference between each side tooth A1 and the standard length value.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A copper busbar measuring tool, comprising a base, wherein the base is provided with a clamp for fixing the copper busbar, characterized in that, A slide block is slidably connected to the base. A dial indicator is fixedly connected to one end of the slide block away from the clamp. A reference block is slidably connected to the other end of the slide block. The sliding direction of the slide block is perpendicular to the sliding direction of the reference block and parallel to the length direction of the copper busbar.

2. The copper busbar tooth measuring tool according to claim 1, characterized in that, The clamp includes at least one of a buckle, a screw, and a spring clip.

3. The copper busbar tooth measuring tool according to claim 1, characterized in that, The slide block is slidably connected to the base via a slide rod, and a screw rod parallel to the slide rod is rotatably connected to the base. The screw rod is threadedly engaged with the slide block.

4. The copper busbar tooth measuring tool according to claim 1, characterized in that, The reference block has a chamfered edge on the surface edge near the clamp.

5. The copper busbar tooth measuring tool according to claim 1 or 2, characterized in that, It also includes a fixture, on which the clamp is mounted; the fixture has a placement platform that matches the shape of the copper busbar; the fixture also has a sliding groove into which the side teeth on the side edge of the copper busbar can extend; and several abutments are slidably connected in the sliding groove by springs.

6. The copper busbar tooth measuring tool according to claim 5, characterized in that, The fixture includes a positioning plate with a waist-shaped hole, and the placement table is also threaded with a screw that can pass through the waist-shaped hole.

7. The copper busbar tooth measuring tool according to claim 5, characterized in that, The clamp includes a top rod fixedly connected to the slide, a connecting plate rotatably connected to the other end of the top rod, and a handle rotatably connected to the slide, with the middle part of the handle rotatably connected to the other end of the connecting plate.

8. The copper busbar tooth measuring tool according to claim 1, characterized in that, The reference block and the slide are provided with pin holes for pin insertion.

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