Portable blank pipe inner diameter detection device

Abstract

The utility model discloses a portable blank pipe inner diameter detection device, which relates to the technical field of pipe detection devices, and comprises a main ruler mechanism and an auxiliary ruler mechanism, and further comprises a connecting sleeve integrally formed at one end of the main ruler mechanism, a threaded inner wall is integrally formed on the inner wall of the connecting sleeve; the threaded connector is integrally formed and arranged at one end of the auxiliary ruler mechanism, and the threaded connector is movably connected with the connecting sleeve through a threaded inner wall; the perspective through groove is formed in the outer wall of the connecting sleeve, a graduated scale is arranged on the outer edge of the perspective through groove, and the graduated scale and the connecting sleeve are of an integrated structure. However, a plurality of calibrated scale structures can cause the tedious detection process, and the detection efficiency of the inner diameter of the blank pipe is poor.

Description

Technical Field

[0001] This utility model relates to the technical field of pipe testing devices, specifically a portable device for testing the inner diameter of raw pipe blanks. Background Technology

[0002] In the pipe manufacturing process, inner diameter testing is a crucial step to ensure that the pipe can meet the requirements of subsequent processing. Specialized testing equipment is required to assist in the inner diameter testing of pipes.

[0003] For example, announcement number CN220625142U (named "A Simple Portable Device for Detecting the Inner Diameter of Corrugated Steel Pipe Culverts") includes a horizontal ruler and a vertical ruler connected together by a movable connecting buckle; the top of the horizontal ruler is provided with a handle; both the horizontal and vertical rulers are provided with leveling bubble marks; the horizontal ruler consists of ruler I, ruler II, ruler III, ruler IV, and ruler V; one end of ruler III is nested with ruler II, and the other end is nested with ruler IV; ruler II is nested with ruler I; ruler IV is nested with ruler V; the handle is located at the top center of ruler III, and the leveling bubble mark is located on the side; the center of the side of ruler III is connected to ruler VI of the vertical ruler through the movable connecting buckle; all sub-rules of the horizontal and vertical rulers are connected in a nested manner to achieve a telescopic function, making it suitable for accurate measurement of the inner diameter of culverts of different diameters.

[0004] The aforementioned testing device uses multiple scale structures to detect the inner diameter of the blank pipe. However, the multiple scale structures make the testing process cumbersome and result in poor efficiency in detecting the inner diameter of the blank pipe. Therefore, we provide a portable device for detecting the inner diameter of blank pipes. Utility Model Content

[0005] The purpose of this utility model is to provide a portable device for detecting the inner diameter of raw pipe blanks, in order to solve the problem mentioned in the background art that the existing detection devices use multiple scale structures to detect the inner diameter of raw pipe blanks, but the multiple scale structures make the detection process cumbersome and result in poor detection efficiency of the inner diameter of raw pipe blanks.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a portable device for detecting the inner diameter of raw pipe blanks, comprising a main scale mechanism and a secondary scale mechanism, and further comprising:

[0007] The connecting sleeve is integrally formed at one end of the main scale mechanism, and the inner wall of the connecting sleeve is integrally formed with a threaded inner wall.

[0008] A threaded connector is integrally formed and located at one end of the auxiliary scale mechanism, and the threaded connector is movably connected to the connecting sleeve through the threaded inner wall.

[0009] A through-hole is provided on the outer wall of the connecting sleeve, and a scale is provided on the outer edge of the through-hole. The scale and the connecting sleeve are an integral structure.

[0010] Preferably, the other end of the main scale mechanism and the auxiliary scale mechanism are respectively provided with a first ball and a second ball, and the first ball and the second ball are respectively mechanically riveted to the main scale mechanism and the auxiliary scale mechanism.

[0011] Preferably, the main scale mechanism and the auxiliary scale mechanism are movably connected to the inner wall of the blank tube by abutting against the first ball and the second ball at the other end.

[0012] Preferably, the scale is arranged parallel to the through-hole, and the through-hole is connected to the interior of the connecting sleeve.

[0013] Preferably, the auxiliary scale mechanism is movably screwed into the connecting sleeve on the main scale mechanism via a threaded joint.

[0014] Preferably, the diameter of the connecting sleeve is equal to the diameter of the threaded joint.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This device is small, lightweight, and easy to carry, making it convenient for inspectors to test the inner diameter of raw pipe blanks in different production sites or construction sites. It adopts universal ball bearing support, which extends the service life of the testing device and facilitates the adjustment of the gauge. The inner diameter can be measured directly without grinding the outer circle, reducing the testing process, improving testing efficiency, and avoiding potential damage to the pipe caused by grinding. Attached Figure Description

[0017] Figure 1 This is a front view of the portable blank pipe inner diameter detection device of this utility model;

[0018] Figure 2 This is a side view of the portable blank pipe inner diameter detection device of this utility model;

[0019] Figure 3 This is a cross-sectional view of the internal structure of the portable blank pipe inner diameter detection device of this utility model.

[0020] Figure 4 This is a schematic diagram of the portable blank pipe inner diameter detection device and the blank pipe detection setup of this utility model.

[0021] In the diagram: 1. Main scale mechanism; 2. Connecting sleeve; 3. First ball bearing; 4. Threaded joint; 5. Through-hole; 6. Scale; 7. Secondary scale mechanism; 8. Second ball bearing; 9. Threaded inner wall. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-4 One embodiment of this utility model provides: a portable device for detecting the inner diameter of raw pipe blanks, including a main scale mechanism 1 and a secondary scale mechanism 7, and further comprising:

[0024] The connecting sleeve 2 is integrally formed at one end of the main scale mechanism 1, and the inner wall of the connecting sleeve 2 is integrally formed with a threaded inner wall 9.

[0025] The threaded connector 4 is integrally formed and located at one end of the auxiliary scale mechanism 7, and the threaded connector 4 is movably connected to the connecting sleeve 2 through the threaded inner wall 9.

[0026] A through-hole 5 is provided on the outer wall of the connecting sleeve 2, and a scale 6 is provided on the outer edge of the through-hole 5. The scale 6 and the connecting sleeve 2 are an integral structure.

[0027] In use, place the pipe on a stable platform, adjust the first ball bearing 3 and the second ball bearing 8 of the gauge to make the testing device parallel to the pipe axis, align the measuring head of the telescopic rod with the inner wall of one end of the pipe, and slowly rotate the threaded connector 4 of the testing end so that the measuring head of the other end contacts the other inner wall of the pipe, while keeping the telescopic rod perpendicular to the pipe axis. According to the scale on the connecting sleeve 2, use the reading magnifying glass to obtain the measurement value of this area. Inner diameter = main scale body length + auxiliary scale length - adjustment dimension. The main scale body length and auxiliary scale length are fixed, that is, only the scale 6 needs to be read each time.

[0028] Please see Figure 1 The other ends of the main scale mechanism 1 and the auxiliary scale mechanism 7 are respectively provided with a first ball bearing 3 and a second ball bearing 8. The first ball bearing 3 and the second ball bearing 8 are mechanically riveted to the main scale mechanism 1 and the auxiliary scale mechanism 7, respectively. The first ball bearing 3 and the second ball bearing 8 provided at the other ends of the main scale mechanism 1 and the auxiliary scale mechanism 7 respectively serve to move and abut against the inner wall of the blank pipe. Please refer to [link / reference]. Figure 4 The main scale mechanism 1 and the auxiliary scale mechanism 7 are respectively connected to the inner wall of the blank tube by first ball 3 and second ball 8 at the other end. Please refer to [link / reference]. Figure 1The scale 6 is set parallel to the through-hole 5, and the through-hole 5 is internally connected to the connecting sleeve 2. Please refer to [link / reference]. Figure 3 The auxiliary scale mechanism 7 is movably screwed into the connecting sleeve 2 on the main scale mechanism 1 via the threaded joint 4. Please refer to [link / reference]. Figure 2 The diameter of the connecting sleeve 2 is equal to the diameter of the threaded joint 4.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A portable device for detecting the inner diameter of raw pipe blanks, comprising a main scale mechanism (1) and a secondary scale mechanism (7), characterized in that: Also includes: The connecting sleeve (2) is integrally formed at one end of the main scale mechanism (1), and the inner wall of the connecting sleeve (2) is integrally formed with a threaded inner wall (9). The threaded connector (4) is integrally formed and located at one end of the auxiliary scale mechanism (7), and the threaded connector (4) is movably connected to the connecting sleeve (2) through the threaded inner wall (9); A through-hole (5) is provided on the outer wall of the connecting sleeve (2), and a scale (6) is provided on the outer edge of the through-hole (5). The scale (6) and the connecting sleeve (2) are an integral structure.

2. The portable blank pipe inner diameter detection device according to claim 1, characterized in that: The other ends of the main scale mechanism (1) and the auxiliary scale mechanism (7) are respectively provided with a first ball (3) and a second ball (8), and the first ball (3) and the second ball (8) are respectively connected to the main scale mechanism (1) and the auxiliary scale mechanism (7) by mechanical riveting.

3. The portable blank pipe inner diameter detection device according to claim 2, characterized in that: The main scale mechanism (1) and the auxiliary scale mechanism (7) are respectively connected to the inner wall of the blank pipe by the first ball (3) and the second ball (8) at the other end.

4. The portable blank pipe inner diameter detection device according to claim 1, characterized in that: The scale (6) is set parallel to the through groove (5), and the through groove (5) is connected to the interior of the connecting sleeve (2).

5. The portable blank pipe inner diameter detection device according to claim 1, characterized in that: The auxiliary scale mechanism (7) is movably screwed into the connecting sleeve (2) on the main scale mechanism (1) via a threaded joint (4).

6. The portable device for detecting the inner diameter of raw pipe blanks according to claim 1, characterized in that: The diameter of the connecting sleeve (2) is equal to the diameter of the threaded joint (4).

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