A position degree gauge

Abstract

This utility model discloses a position measurement fixture, including a detection column and a detection pin. The top of the detection column has a groove, and symmetrical detection holes are formed on both sides of the groove. The inner diameter of the detection holes matches the inner diameter of the positioning holes of the part. The vertical distance from the axis of the detection hole to the bottom surface of the groove is the same as the vertical distance from the axis of the positioning hole to the bottom surface of the part. A circular groove is formed on the outer periphery of the bottom end of the groove. A detection head is provided at one end of the detection pin, and the detection head passes through the two detection holes with a clearance fit. This utility model's position measurement fixture is accurate, easy to operate, and has high detection efficiency, making it suitable for batch inspection of parts.

Description

Technical Field

[0001] This utility model relates to the field of parts inspection technology, and in particular to a position measurement tool. Background Technology

[0002] After a part is machined and formed, its structural features need to be inspected to verify whether the part meets the design requirements. For example... Figure 1 The part shown is cylindrical, with a positioning hole at its bottom perpendicular to the axis. After the part is machined, the vertical distance from the positioning hole to the bottom surface of the part needs to be checked to verify its positional accuracy. Commonly used inspection methods include visual inspection with calipers, projector inspection, and coordinate measuring machine (CMM). These methods offer high accuracy but have extremely low efficiency and high cost, making them suitable for spot checks; however, they are not suitable for batch inspections. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a positional inspection tool that is accurate, easy to operate, and highly efficient, and is suitable for batch inspection of parts.

[0004] This utility model provides a position measurement tool, including a detection column and a detection pin; the top of the detection column has a groove that fits with the outer diameter of the part with clearance; symmetrical detection holes that pass through the detection column are formed on both sides of the groove; the inner diameter of the detection holes is the same as the inner diameter of the positioning hole of the part; the vertical distance from the axis of the detection hole to the bottom surface of the groove is the same as the vertical distance from the axis of the positioning hole to the bottom surface of the part; a ring groove is formed on the outer periphery of the bottom end of the groove; a detection head is provided at one end of the detection pin, and the detection head passes through the two detection holes with clearance fit.

[0005] Furthermore, the groove is coaxial with the detection column; the top of the detection column is symmetrically provided with first profiles on both sides, and the first profiles are perpendicular to the axis of the detection hole.

[0006] Furthermore, the depth of the groove is less than the height of the part.

[0007] Furthermore, the outer diameter of the end of the detection head away from the detection pin gradually decreases in the direction away from the detection pin to form a guide head.

[0008] Furthermore, the side wall of the detection pin is provided with anti-slip texture; a second profile is provided on one side of the detection pin.

[0009] Furthermore, both the detection column and the detection pin are made of stainless steel.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This utility model's position measurement fixture is equipped with a detection column and a detection pin. When measuring the position of a part's positioning hole, the part is inserted into the groove and rotated so that its positioning hole aligns with the detection hole. Then, the detection head of the detection pin is inserted into the detection hole on one side to see if it can pass through the positioning hole and be inserted into the detection hole on the other side. If it can, the position of the positioning hole is qualified; otherwise, it is unqualified. The operation is convenient, the detection is accurate, and the detection efficiency is high, greatly reducing the detection cost. It is suitable for batch inspection of parts.

[0012] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0014] Figure 1 This is a structural schematic diagram of the part;

[0015] Figure 2 This is a schematic diagram of the position measurement fixture.

[0016] Figure 3 This is an exploded structural diagram of a position gauge;

[0017] Figure 4 A schematic diagram of the part mounted on the position measurement fixture;

[0018] Figure 5 A cross-sectional structural diagram of the part mounted on the position measurement fixture;

[0019] Figure 6 for Figure 5 A magnified structural diagram of point A in the middle.

[0020] The diagram labels are: 1. Detection column; 2. Detection pin; 3. Part;

[0021] 11. Groove; 12. Inspection hole; 13. Molded groove; 14. First molded surface;

[0022] 21. Detection head; 22. Guide head; 23. Second profile;

[0023] 31. Positioning hole. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0025] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] Please refer to Figures 1-6 This utility model provides a position gauge, including a detection post 1 and a detection pin 2. The top of the detection post 1 is provided with a groove 11 that is clearance-fitted with the outer diameter of the part 3. Detection holes 12, which pass through the detection post 1, are symmetrically provided on both sides of the groove 11. The inner diameter of the detection holes 12 is consistent with the inner diameter of the positioning hole 31 of the part 3. The vertical distance from the axis of the detection hole 12 to the bottom surface of the groove 11 is consistent with the vertical distance from the axis of the positioning hole 31 to the bottom surface of the part 3. A ring groove 13 is provided on the outer periphery of the bottom end of the groove 11. A detection head 21 is provided at one end of the detection pin 2, and the detection head 21 passes through the two detection holes 12 with clearance fit.

[0027] In this embodiment, when performing positional accuracy testing on the positioning hole 31 of part 3, the bottom end of the testing column 1 is first clamped and fixed using a small bench vise. Then, part 3 is inserted into the groove 11 and rotated so that its positioning hole 31 aligns with the testing hole 12.

[0028] Because it is difficult to machine the bottom edge of the groove 11 into a right angle during machining, it is easy to interfere with the bottom edge of the part 3, making it impossible for the bottom surface of the part 3 to fit into the bottom of the groove 11, thus affecting the inspection results. Therefore, a circular groove 13 is opened at the bottom edge of the groove 11, and the part that cannot be machined into a right angle is directly milled off, so as to ensure that the bottom of the part 3 completely falls on the bottom surface of the groove 11, thus ensuring the accuracy of the inspection of the part 3.

[0029] After the positioning hole 31 aligns with the inspection hole 12, insert the inspection head 21 into one side of the inspection hole 12. After fine-tuning, check whether the inspection head 21 can pass through the positioning hole 31 and be inserted into the other side of the inspection hole 12. If it can, the position of the positioning hole 31 is qualified; otherwise, it is unqualified. The operation is convenient, the inspection is accurate, and the inspection efficiency is high, greatly reducing the inspection cost. It is suitable for batch inspection of part 3.

[0030] In a preferred embodiment, such as Figure 3 and Figure 6As shown, the groove 11 is coaxial with the detection post 1; the top of the detection post 1 is symmetrically provided with first profiles 14 on both sides, and the first profiles 14 are perpendicular to the axis of the detection hole 12. This facilitates the inspection personnel to insert the detection head 21 into the detection hole 12 located on the first profile 14.

[0031] In a preferred embodiment, such as Figure 4 and Figure 6 As shown, the depth of the groove 11 is less than the height of the part 3, which makes it easier to remove the part 3 after the inspection is completed.

[0032] In a preferred embodiment, such as Figure 3 and Figure 6 As shown, the outer diameter of the end of the detection head 21 away from the detection pin 2 gradually decreases in the direction away from the detection pin 2 to form a guide head 22, so that the detection head 21 can be inserted into the detection hole 12 more quickly to complete the detection.

[0033] In a preferred embodiment, such as Figure 2 and Figure 3 As shown, the side wall of the detection pin 2 is provided with anti-slip texture, which plays an anti-slip role when the testing personnel hold the detection pin 2; a second surface 23 is provided on one side of the detection pin 2, and when the testing personnel hold the detection pin 2, their thumb is placed on the second surface 23, which increases the contact area and improves the comfort of holding the detection pin 2.

[0034] In a preferred embodiment, such as Figure 3 and Figure 6 As shown, both the detection column 1 and the detection pin 2 are made of stainless steel, which has high structural strength, is not easily deformed, is not easily corroded or rusted, and has a long service life.

[0035] In the description of this specification, the terms "connection," "installation," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0036] In the description of this specification, the terms "one embodiment," "some embodiments," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A position measurement fixture, characterized in that, The device includes a detection column (1) and a detection pin (2); the top of the detection column (1) is provided with a groove (11) that is clearance-fitted with the outer diameter of the part (3); the two sides of the groove (11) are symmetrically provided with detection holes (12) that pass through the detection column (1); the inner diameter of the detection hole (12) is consistent with the inner diameter of the positioning hole (31) of the part (3); the vertical distance from the axis of the detection hole (12) to the bottom surface of the groove (11) is consistent with the vertical distance from the axis of the positioning hole (31) to the bottom surface of the part (3); a ring groove (13) is provided on the outer periphery of the bottom end of the groove (11); a detection head (21) is provided at one end of the detection pin (2), and the detection head (21) passes through the two detection holes (12) with clearance fit.

2. The position gauge according to claim 1, characterized in that, The groove (11) is coaxial with the detection column (1); the top of the detection column (1) is symmetrically provided with a first surface (14) on both sides, and the first surface (14) is perpendicular to the axis of the detection hole (12).

3. The position gauge according to claim 1, characterized in that, The depth of the groove (11) is less than the height of the part (3).

4. The position gauge according to claim 1, characterized in that, The outer diameter of the detection head (21) at the end away from the detection pin (2) gradually decreases in the direction away from the detection pin (2) to form a guide head (22).

5. The position gauge according to claim 1, characterized in that, The detection pin (2) has anti-slip texture on its side wall; a second surface (23) is provided on one side of the detection pin (2).

6. The position gauge according to claim 1, characterized in that, Both the detection column (1) and the detection pin (2) are made of stainless steel.

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