Mortise boss inner and outer surface detection tool
By designing a tool for inspecting the inner and outer surfaces of mortise and tenon bosses, the problem of not being able to accurately measure the height of the inner and outer surfaces of mortise and tenon bosses and inspect chamfers or rounded corners in existing technologies is solved, providing a simple and easy-to-use inspection solution.
Patent Information
- Application Number
- CN202422903885.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing technologies lack effective inspection tools to accurately measure the inner and outer heights of the tenon boss and to inspect chamfers or fillets, which is especially unacceptable when the gap is small.
A tool for inspecting the inner and outer surfaces of a tenon boss has been designed, including a base, a main ruler, a vernier clamp, a connecting plate, and a measuring rod. Through various installation methods and measuring scale lines, it can measure the height of the inner and outer surfaces of the tenon boss and inspect the chamfer or rounded corners.
It enables accurate measurement of the height of the inner and outer surfaces of the tenon boss and accurate detection of chamfers or rounded corners. It has a simple structure, is easy to use, and meets a variety of installation requirements.
Smart Images
Figure CN223538249U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of testing tools, specifically a testing tool for the inner and outer surfaces of a tenon groove boss. Background Technology
[0002] With the development of the times and the continuous upgrading of various products, the use of testing tools is essential to prevent substandard products from entering the market. These tools can effectively reduce the influx of products that do not meet national standards. Commonly used testing tools include calipers, balances, and marking machines.
[0003] Existing technologies rarely have tooling for inspecting tenon and mortise boss structures. Some depth vernier calipers can barely measure them, but they cannot measure them when the gap is small, and their functions are limited, making it impossible to confirm whether there are chamfers or rounded corners. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a tool for inspecting the inner and outer surfaces of a tenon boss, which can detect the height dimensions of the inner and outer surfaces of the tenon boss and whether chamfers or rounded corners have been processed.
[0005] This utility model provides the following technical solution: a tool for inspecting the inner and outer surfaces of a tenon groove boss, including a base, a first measuring rod, and a second measuring rod. A main scale is fixedly installed on the upper surface of the base, and a vernier holder is slidably installed on the outer surface of the main scale. A connecting plate is fixedly connected to the side of the vernier holder. Four first through holes are opened on the upper surface of the connecting plate, and four second through holes are opened on the upper surface of the connecting plate. The first measuring rod and the second measuring rod are matched with the first through holes and the second through holes.
[0006] Preferred technical solution 1: The second through hole is the same size and shape as the first through hole and their center points coincide. The second through hole is opened by rotating 45 degrees around the center point of the first through hole.
[0007] Preferred technical solution 2: The surface of the vernier holder is provided with a first threaded hole, and a first fixing screw is threaded into the inside of the first threaded hole.
[0008] Preferred technical solution 3: The surface of the connecting plate is provided with four second threaded holes, which are respectively connected to the four first through holes and the four second through holes, and each of the four second threaded holes is threaded with a second fixing screw.
[0009] Preferred technical solution four: The surface of the main ruler and the surfaces of the first measuring rod and the second measuring rod are all provided with measuring scale lines.
[0010] Preferred technical solution five: The lower surface of the base is provided with an anti-slip pad, and the lower surface of the anti-slip pad is provided with anti-slip texture.
[0011] Compared with the prior art, this utility model provides a tool for inspecting the inner and outer surfaces of a tenon groove boss, which has the following advantages: the tool has a simple structure, is easy to use, and is fully capable of inspecting the height dimensions of the inner and outer surfaces of the tenon groove boss and whether chamfers or rounded corners have been processed. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is an exploded view of the structure of this utility model;
[0014] Figure 3 This is a top view of the first through hole and the second through hole of this utility model;
[0015] Figure 4 This is a diagram showing the actual use of this utility model.
[0016] In the diagram: 1. Base; 2. Main scale; 3. Vernier holder; 4. Connecting plate; 5. First through hole; 6. Second through hole; 7. First measuring rod; 8. Second measuring rod; 9. First threaded hole; 10. First fixing screw; 11. Second threaded hole; 12. Second fixing screw. Detailed Implementation
[0017] Please see Figure 1-4 ,
[0018] Example 1: A tool for inspecting the inner and outer surfaces of a tenon groove boss includes a base 1, a first measuring rod 7, and a second measuring rod 8. A main ruler 2 is fixedly installed on the upper surface of the base 1. A vernier holder 3 is slidably installed on the outer surface of the main ruler 2. A connecting plate 4 is fixedly connected to the side of the vernier holder 3. Four first through holes 5 and four second through holes 6 are opened on the upper surface of the connecting plate 4. The first measuring rod 7 and the second measuring rod 8 are matched with the first through holes 5 and the second through holes 6.
[0019] Example 2: The difference between this example and Example 1 is that the second through hole 6 and the first through hole 5 are the same size and shape and their center points coincide. The second through hole 6 is opened by rotating 45 degrees along the center point of the first through hole 5, which facilitates the installation of the first measuring rod 7 and the second measuring rod 8 in various ways, such as vertical installation or installation by rotating 45 degrees.
[0020] Example 3: The difference between this example and Example 1 is that the vernier holder 3 has a first threaded hole 9 on its surface, and a first fixing screw 10 is threaded into the inside of the first threaded hole 9 to facilitate quick fixing of the vernier holder 3.
[0021] Example 4: The difference between this example and Example 1 is that the surface of the connecting plate 4 is provided with four second threaded holes 11, which are connected to the four first through holes 5 and the four second through holes 6 respectively. The interior of each of the four second threaded holes 11 is threaded with a second fixing screw 12, which facilitates the fixing of the first measuring rod 7 and the second measuring rod 8.
[0022] Example 5: The difference between this example and Example 1 is that the surface of the main scale 2 and the surfaces of the first measuring rod 7 and the second measuring rod 8 are provided with measuring scale lines to facilitate reading the measurement values.
[0023] Example 6: The difference between this example and Example 1 is that the lower surface of the base 1 is provided with an anti-slip pad, and the lower surface of the anti-slip pad is provided with anti-slip texture, making the tool more stable during use and preventing accidental slippage.
[0024] In summary, the measuring tool for inspecting the inner and outer surfaces of the tenon and groove boss, using measurement method 1, involves first gently pressing the base 1 onto the reference surface of the workpiece, ensuring that the end face contacts the reference surface of the workpiece. Then, the ruler is moved until the end faces of the first measuring rod 7 and the second measuring rod 8 contact the measuring surface of the workpiece. The vernier clamp 3 is then fixed with the first fixing screw 10, and the height dimension is read. The presence of rounded corners or chamfers can also be confirmed by examining the edges of the first measuring rod 7 and the second measuring rod 8.
[0025] Measurement Method 2: First, gently press the base 1 onto the reference surface of the workpiece. The end face must contact the reference surface of the workpiece. Then move the ruler until the end face of one measuring rod contacts the outer (inner) measuring surface of the workpiece. Then, let the end face of the second measuring rod contact the inner (outer) measuring surface of the workpiece. Then, fix the second measuring rod with the second fixing screw 12 and read the height difference between the two measuring rods.
Claims
1. A tool for inspecting the inner and outer surfaces of a tenon groove boss, comprising a base (1), a first measuring rod (7), and a second measuring rod (8), characterized in that: A main scale (2) is fixedly installed on the upper surface of the base (1). A vernier clamp (3) is slidably installed on the outer surface of the main scale (2). A connecting plate (4) is fixedly connected to the side of the vernier clamp (3). Four first through holes (5) are opened on the upper surface of the connecting plate (4). Four second through holes (6) are opened on the upper surface of the connecting plate (4). The first measuring rod (7) and the second measuring rod (8) are matched with the first through holes (5) and the second through holes (6).
2. The tool for inspecting the inner and outer surfaces of a tenon groove boss according to claim 1, characterized in that: The second through hole (6) is the same size and shape as the first through hole (5) and the center point coincides with it. The second through hole (6) is opened by rotating forty-five degrees along the center point of the first through hole (5).
3. The tool for inspecting the inner and outer surfaces of a tenon groove boss according to claim 1, characterized in that: The vernier holder (3) has a first threaded hole (9) on its surface, and a first fixing screw (10) is threaded inside the first threaded hole (9).
4. The tool for inspecting the inner and outer surfaces of a tenon groove boss according to claim 1, characterized in that: The surface of the connecting plate (4) is provided with four second threaded holes (11), which are connected to the four first through holes (5) and the four second through holes (6) respectively. The interior of each of the four second threaded holes (11) is threaded with a second fixing screw (12).
5. The tool for inspecting the inner and outer surfaces of a tenon groove boss according to claim 1, characterized in that: The surface of the main ruler (2) and the surfaces of the first measuring rod (7) and the second measuring rod (8) are all provided with measuring scale lines.
6. The tool for inspecting the inner and outer surfaces of a tenon groove boss according to claim 1, characterized in that: The lower surface of the base (1) is provided with an anti-slip pad, and the lower surface of the anti-slip pad is provided with anti-slip texture.