Screw rod external diameter detection equipment

By designing a lead screw outer diameter detection device with a spring clamping block and a knob fine-tuning mechanism, the problems of unstable and inefficient lead screw outer diameter detection were solved, and stable clamping and efficient measurement of the lead screw outer diameter were achieved.

CN223807777UActive Publication Date: 2026-01-16SHENZHEN CE LANG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520568923.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-16
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

In existing technologies, lead screw outer diameter measuring tools cannot be stably clamped, resulting in unstable measurements and low efficiency.

Method used

A lead screw outer diameter detection device was designed, which adopts a spring clamping block and a knob fine adjustment mechanism to achieve bidirectional adaptive clamping of the lead screw, and realizes synchronous measurement through scale bar reading.

Benefits of technology

This improves the stability and efficiency of lead screw outer diameter detection, ensuring the accuracy and speed of the measurement process.

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Abstract

The utility model relates to the technical field of mechanical detection, in particular to screw rod outer diameter detection equipment. Comprising a measuring ruler body, one end of the measuring ruler body is integrally connected with a fixed check block, the measuring ruler body is slidably sleeved with a measuring sliding sleeve and a fixed sliding sleeve, the bottom of the measuring sliding sleeve is fixedly connected with a measuring check block, one end of the measuring sliding sleeve is fixedly connected with a lead screw penetrating through the fixed sliding sleeve, and the lower end of the fixed sliding sleeve is provided with a knob in threaded connection with the lead screw. L-shaped plates are installed on the two sides of the fixed check block and the measuring check block, and one end of each L-shaped plate is connected with a clamping block through a spring. The utility model provides equipment capable of stably clamping a screw rod and detecting the outer diameter of the screw rod, so as to solve the problems of unstable detection of the outer diameter of the screw rod and low efficiency in the prior art.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical detection technical field especially relates to a screw rod outer diameter detection equipment. BACKGROUND

[0002] The screw rod is important part in mechanical transmission field, and its outer diameter size precision directly influences the performance and reliability of transmission system. In the production and assembly process of the screw rod, the quick and accurate detection of the outer diameter is the key link of guaranteeing product quality.

[0003] At present, the common screw rod outer diameter detection tool adopts vernier caliper, micrometer and other traditional measuring instruments. However, since the screw rod is long, such tool cannot clamp and position the screw rod, and is easy to incline or slide in the measurement, leading to unstable measurement and low efficiency. UTILITARY MODEL CONTENT

[0004] The utility model provides a device that can stably clamp screw rod and carry out outer diameter detection to solve the problem of unstable screw rod outer diameter detection and low efficiency in prior art.

[0005] The utility model employs the technical scheme of a kind of screw rod outer diameter detection equipment, including measuring scale main part, the fixed stopper is integrally connected in measuring scale main part one end, measuring slide sleeve and fixed slide sleeve are slidably sleeved on measuring scale main part, measuring slide sleeve bottom is fixedly connected with measuring stopper, the screw rod is fixedly connected with the fixed slide sleeve at measuring slide sleeve one end, the fixed slide sleeve lower end is equipped with the knob that is connected with screw rod thread, the fixed stopper and measuring stopper both sides are equipped with L type plate, L type plate one end is connected with clamping block by spring.

[0006] As further improvement of the utility model, the surface of the measuring scale main body is provided with a scale bar, and the starting end of the scale bar is located at the fixed stopper.

[0007] As further improvement of the utility model, the first elastic clamping block is arranged in the measuring slide sleeve and located at the top of the measuring scale main body, and the first fastening bolt is arranged at the top of the measuring slide sleeve and abuts against the top of the first elastic clamping block.

[0008] As further improvement of the utility model, the second elastic clamping block is arranged in the fixed slide sleeve and located at the top of the measuring scale main body, and the second fastening bolt is arranged at the top of the fixed slide sleeve and abuts against the top of the second elastic clamping block.

[0009] As further improvement of the utility model, the fixed slide sleeve is provided with a groove at the lower end, the knob is located in the groove, and the screw rod penetrates through the groove.

[0010] As further improvement of the utility model, the two clamping blocks located at the same side are oppositely arranged.

[0011] The utility model discloses the beneficial effect has: the utility model discloses the linkage cooperation of spring clamping block and knob fine adjustment mechanism, realizes the synchronous measurement of outer diameter size while realizing the bidirectional self -adaptation clamping of screw rod, and the positioning clamping and measurement reading are integrated in single operation process, guarantee the stability of measurement process, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic diagram of the utility model one kind of screw rod outer diameter detection equipment;

[0013] Figure 2 It is the utility model one kind of screw rod outer diameter detection equipment's Figure 1 Another perspective schematic diagram;

[0014] Figure 3 It is the overall structure exploded view of the utility model one kind of screw rod outer diameter detection equipment.

[0015] As shown in the figure: 1, measuring scale main body;2, fixed stopper;3, measuring sliding sleeve;4, fixed sliding sleeve;5, measuring stopper;6, screw rod;7, knob;8, L type board;9, spring;10, clamping block;11, first elastic block;12, first fastening bolt;13, second elastic block;14 second fastening bolt. DETAILED DESCRIPTION

[0016] In the present specification, the orientation terms such as up, down, left, right, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to its structure, and they are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states; therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0017] As used in the present specification, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0018] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and do not limit the present application.

[0019] The utility model provides a kind of as attached Figures 1-3The device for detecting the outer diameter of a lead screw includes a measuring scale body 1. A fixed stop block 2 is integrally connected to one end of the measuring scale body 1. A measuring slide sleeve 3 and a fixed slide sleeve 4 are slidably sleeved on the measuring scale body 1. A measuring stop block 5 is fixedly connected to the bottom of the measuring slide sleeve 3. A lead screw 6 that passes through the fixed slide sleeve 4 is fixedly connected to one end of the measuring slide sleeve 3. A knob 7 that is threadedly connected to the lead screw 6 is provided at the lower end of the fixed slide sleeve 4. L-shaped plates 8 are installed on both sides of the fixed stop block 2 and the measuring stop block 5. A clamping block 10 is connected to one end of the L-shaped plate 8 through a spring 9. The two clamping blocks 10 located on the same side are arranged opposite each other.

[0020] like Figures 1-3 As shown, the main body 1 of the measuring ruler in this utility model has a scale bar on its surface and the starting end of the scale bar is located at the fixed stop 2, which makes it easy for the staff to quickly and accurately read the outer diameter of the lead screw.

[0021] like Figures 1-3 As shown, in this utility model, the measuring sleeve 3 is provided with a first elastic locking block 11 located at the top of the measuring ruler body 1, and a first fastening bolt 12 is provided at the top of the measuring sleeve 3, with the bottom end of the first fastening bolt 12 abutting against the top of the first elastic locking block 11; the fixed sleeve 4 is provided with a second elastic locking block 13 located at the top of the measuring ruler body 1, and a second fastening bolt 14 is provided at the top of the fixed sleeve 4, with the bottom end of the second fastening bolt 14 abutting against the top of the second elastic locking block 13. The first elastic locking block 11 and the second elastic locking block 13 can respectively limit the movement of the measuring sleeve 3 and the fixed sleeve 4, preventing them from shifting when sliding on the measuring ruler body 1, thereby ensuring measurement accuracy.

[0022] like Figures 1-3 As shown, the fixed sliding sleeve 4 in this utility model has a groove at its lower end, the knob 7 is located in the groove and the lead screw 6 passes through the groove. By connecting the knob 7 and the lead screw 6 with a thread, the relative position between the fixed sliding sleeve 4 and the measuring sliding sleeve 3 can be easily adjusted, thereby realizing the measurement of lead screws with different outer diameters.

[0023] Working principle: the utility model discloses in specific implementation, first, the to-be-measured screw rod is placed between fixed stopper 2 and measuring stopper 5, then rotates knob 7, is connected through the thread connection of knob 7 and screw rod 6, drives measuring sliding sleeve 3 and measuring stopper 5 to move towards fixed stopper 2 direction, until measuring stopper 5 and screw rod 6 closely contact.In this process, the clamping block 10 on the L-shaped plate 8 located at both sides of fixed stopper 2 and measuring stopper 5, under the action of spring 9, will adaptively clamp screw rod 6, prevent it from tilting or sliding in the measuring process.Meanwhile, the staff can observe the position of measuring sliding sleeve 3 on measuring scale main body 1, combines the scale bar on the surface of measuring scale main body 1, and reads the outer diameter size of screw rod quickly and accurately.When the screw rod of different outer diameters needs to be measured, just rotates knob 7, adjusts the relative position between fixed sliding sleeve 4 and measuring sliding sleeve 3.The whole measuring process is stable and efficient, guarantees the measuring accuracy, and improves the work efficiency.

[0024] The above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model embodiments.

Claims

1. A lead screw outer diameter measuring apparatus comprising a measuring scale body (1), characterised in that: The fixed stopper (2) is integrally connected to one end of the measuring ruler body (1), the measuring sleeve (3) and the fixed sleeve (4) are slidably sleeved on the measuring ruler body (1), the measuring stopper (5) is fixedly connected to the bottom of the measuring sleeve (3), the screw rod (6) is fixedly connected to one end of the measuring sleeve (3) and penetrates through the fixed sleeve (4), the knob (7) is arranged at the lower end of the fixed sleeve (4) and is in threaded connection with the screw rod (6), the L-shaped plates (8) are arranged on the two sides of the fixed stopper (2) and the measuring stopper (5), and the clamping blocks (10) are connected to one end of the L-shaped plates (8) through the springs (9).

2. The lead screw outer diameter inspection apparatus according to claim 1, characterized by: The measuring ruler body (1) is provided with a scale bar, and the starting end of the scale bar is located at the fixed stopper (2).

3. The lead screw outer diameter inspection apparatus of claim 1, wherein: The first elastic clamping block (11) is arranged in the measuring sleeve (3) and located at the top of the measuring ruler body (1), the first fastening bolt (12) is arranged at the top of the measuring sleeve (3) and abuts against the top of the first elastic clamping block (11).

4. The lead screw outer diameter inspection apparatus of claim 1, wherein: The second elastic clamping block (13) is arranged in the fixed sleeve (4) and located at the top of the measuring ruler body (1), the second fastening bolt (14) is arranged at the top of the fixed sleeve (4) and abuts against the top of the second elastic clamping block (13).

5. The lead screw outer diameter inspection apparatus of claim 1, wherein: The lower end of the fixed sleeve (4) is provided with a groove, the knob (7) is located in the groove, and the screw rod (6) penetrates through the groove.

6. The lead screw outer diameter inspection apparatus of claim 1, wherein: The two clamping blocks (10) located on the same side are oppositely arranged.