Thread plug gauge with guide post

By setting the limit structure of guide columns and guide holes on the threaded plug gauge, the problem of large measurement error of threaded plug gauge in the prior art is solved, and efficient and stable internal thread detection is achieved.

CN223122089UActive Publication Date: 2025-07-18DONGGUAN XINTAIFENG PRECISION HARDWARE TOOLS CO LTD
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Patent Information

Application Number
CN202421517077.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-07-18
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

When measuring the size of the internal thread, the existing thread plug gauge is prone to errors due to unstable hand operation of the staff, and the operation workload is large.

Method used

A threaded plug gauge with a guide column is designed. By setting a guide hole on the plug gauge body to cooperate with the guide column, it ensures that the plug gauge body cannot rotate and incline during the measurement process. It adopts a limit structure of a fixed plate and a guide column to achieve aligning and rotating individual operating workpieces with the plug gauge.

Benefits of technology

The error caused by the tilt of the plug gauge body during the measurement process is avoided, the detection efficiency is improved, and the workload of staff is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thread plug gauge with a guide post, which comprises a plug gauge body, a first guide post and a fixed plate, the two ends of the plug gauge body are respectively provided with a go gauge thread and a no-go gauge thread, the side surface of the first guide post is a non-circular surface, one end of the first guide post is fixedly connected to the fixed plate, and the other end of the first guide post is fixedly connected to the fixed plate. A first guide column is arranged on the plug gauge body, the first guide column is perpendicular to the fixing plate, a guide hole matched with the first guide column is formed in the plug gauge body in the axis direction, the plug gauge body is slidably inserted into the first guide column through the guide hole, and according to the thread plug gauge with the guide column, the plug gauge body cannot rotate or incline. A worker can independently operate the to-be-detected workpiece to be aligned with the plug gauge body and rotate the to-be-detected workpiece and the plug gauge body to achieve detection, a traditional detection mode is changed, errors caused by inclination of the plug gauge body in the detection process are avoided, the detection efficiency of the plug gauge body is improved, and the workload of the worker is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of thread plug gauge measurement application, in particular to a thread plug gauge with a guide post. Background Technique

[0002] A thread plug gauge is a tool for measuring the correctness of internal thread dimensions. Workpieces that need to measure internal thread dimensions include workpieces such as nuts and threaded cylinders. The existing technology measures workpieces by having staff hold the plug gauge and the workpiece with both hands respectively, and then performing alignment and rotation operations. Since the hands of the staff are movable, it is not easy to ensure that both hands do not tilt during the measurement process, which is prone to errors, and the workload of the staff's two-handed operation is relatively large. For this reason, we propose a thread plug gauge with a guide post. Content of the Utility Model

[0003] The purpose of the utility model is to provide a thread plug gauge with a guide post to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A thread plug gauge with a guide post, including a plug gauge body, where through-thread and no-go threads are respectively arranged at both ends of the plug gauge body. It also includes a first guide post and a fixing plate. The side surface of the first guide post is a non-circular surface. One end of the first guide post is fixedly connected to the fixing plate, and the first guide post is perpendicular to the fixing plate. The plug gauge body is provided with a guide hole along the axial direction that matches the first guide post, and the plug gauge body is slidably inserted onto the first guide post through the guide hole.

[0005] A thread plug gauge with a guide post, including a plug gauge body, where through-thread and no-go threads are respectively arranged at both ends of the plug gauge body. It also includes a first guide post, a fixing plate, a first connecting block, and a second guide post. The side surface of the first guide post is a non-circular surface. One end of the first guide post is fixedly connected to the fixing plate, and the first guide post is perpendicular to the fixing plate. Two first insertion holes that match the first guide post and the second guide post are arranged on the first connecting block, and the two first insertion holes are perpendicular to each other. The first guide post and the second guide post are respectively inserted into the two first insertion holes. The plug gauge body is provided with a guide hole along the axial direction that matches the second guide post, and the plug gauge body is inserted onto the second guide post through the guide hole.

[0006] A thread plug gauge with guide posts, comprising a plug gauge body, wherein through-thread and not-go threads are respectively arranged at two ends of the plug gauge body. The thread plug gauge further includes a first guide post, a fixing plate, a second connecting block and two third guide posts. The side surface of the first guide post is a non-circular surface. One end of the first guide post is fixedly connected to the fixing plate, and the first guide post is perpendicular to the fixing plate. Three second insertion holes respectively mating with the first guide post and the two third guide posts are arranged on the second connecting block, and the three second insertion holes are arranged in a T shape. The first guide post and the two third guide posts are respectively inserted into the three second insertion holes. There are two plug gauge bodies, and the through-thread and not-go threads on the two plug gauge bodies are arranged in the same direction. A guide hole mating with the third guide post is arranged on the plug gauge body along the axial direction, and the two plug gauge bodies are respectively inserted onto the third guide posts through the guide holes.

[0007] Preferably, an anti-slip pad is fixed to the bottom of the fixing plate.

[0008] Preferably, through holes for screw fixation are provided on the fixing plate.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] Under the limiting effects of the first guide post, the second guide post and the third guide post respectively, the plug gauge body cannot rotate and cannot tilt. Workers can separately operate to align the workpiece to be detected with the plug gauge body and rotate it to achieve detection, changing the traditional detection method, avoiding the occurrence of errors caused by the tilt of the plug gauge body during the detection process, improving the detection efficiency of the plug gauge body, and reducing the workload of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of Embodiment 1 of the present utility model;

[0012] Figure 2 is a schematic structural diagram of Embodiment 2 of the present utility model;

[0013] Figure 3 is a schematic structural diagram of Embodiment 3 of the present utility model.

[0014] In the figure: 1, plug gauge body; 2, through-thread; 3, not-go thread; 4, first guide post; 5, fixing plate; 6, guide hole; 7, first connecting block; 8, second guide post; 9, first insertion hole; 10, second connecting block; 11, third guide post; 12, second insertion hole; 13, anti-slip pad; 14, through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] Embodiment 1

[0017] Please refer to Figure 1 , this embodiment provides a technical solution: a thread plug gauge with a guide post, including a plug gauge body 1. Through gauges threads 2 and no-go gauges threads 3 are respectively arranged at both ends of the plug gauge body 1. It further includes a first guide post 4 and a fixing plate 5. The side surface of the first guide post 4 is a non-circular surface. One end of the first guide post 4 is fixedly connected to the fixing plate 5, and the first guide post 4 is perpendicular to the fixing plate 5. The plug gauge body 1 is provided with a guide hole 6 that cooperates with the first guide post 4 along the axial direction, and the plug gauge body 1 is slidably inserted on the first guide post 4 through the guide hole 6.

[0018] When measuring the internal thread size of a workpiece, first place the fixing plate 5 on the workbench. At this time, the first guide post 4 is in a vertical state, and then insert the plug gauge body 1 on the first guide post 4. Under the limiting action of the first guide post 4, the plug gauge body 1 cannot rotate and cannot tilt. The staff can operate the workpiece to be detected alone to align it with the plug gauge body 1 and rotate it to achieve detection, changing the traditional detection method, avoiding the occurrence of errors caused by the tilt of the plug gauge body 1 during the detection process, and improving the detection efficiency of the plug gauge body 1.

[0019] In order to facilitate the insertion of the plug gauge body 1 into the guide hole 6, a chamfer is provided at the end of the first guide post 4.

[0020] In order to prevent the plug gauge body 1 from rotating when the workpiece to be detected rotates, an anti-slip pad 13 is fixed at the bottom of the fixing plate 5, and the static friction between the bottom of the fixing plate 5 and the workbench is increased through the anti-slip pad 13.

[0021] In order to prevent the bottom of the fixing plate 5 from sliding relative to the workbench, through holes 14 for screw fixation are provided on the fixing plate 5. During detection, the fixing plate 5 can be fixed on the workbench by screws.

[0022] Embodiment 2

[0023] Please refer to Figure 2, the difference between this embodiment and the first embodiment is that a thread plug gauge with a guide post disclosed in this embodiment includes a plug gauge body 1. At both ends of the plug gauge body 1, a go-thread 2 and a no-go thread 3 are respectively provided. It further includes a first guide post 4, a fixing plate 5, a first connecting block 7 and a second guide post 8. The side surface of the first guide post 4 is a non-circular surface. One end of the first guide post 4 is fixedly connected to the fixing plate 5, and the first guide post 4 is perpendicular to the fixing plate 5. Two first insertion holes 9 that cooperate with the first guide post 4 and the second guide post 8 are provided on the first connecting block 7, and the two first insertion holes 9 are perpendicular to each other. The first guide post 4 and the second guide post 8 are respectively inserted into the two first insertion holes 9. The plug gauge body 1 is provided with a guide hole 6 along the axial direction that cooperates with the second guide post 8, and the plug gauge body 1 is inserted onto the second guide post 8 through the guide hole 6. Compared with the vertical setting of the plug gauge body 1 in the first embodiment, the plug gauge body 1 can be horizontally set in this embodiment, providing diversified detection methods and facilitating the operation of different staff members.

[0024] Embodiment Three

[0025] Please refer to Figure 3 , the difference between this embodiment and the first and second embodiments is that a thread plug gauge with a guide post disclosed in this embodiment includes a plug gauge body 1. At both ends of the plug gauge body 1, a go-thread 2 and a no-go thread 3 are respectively provided. It is characterized in that it further includes a first guide post 4, a fixing plate 5, a second connecting block 10 and two third guide posts 11. The side surface of the first guide post 4 is a non-circular surface. One end of the first guide post 4 is fixedly connected to the fixing plate 5, and the first guide post 4 is perpendicular to the fixing plate 5. Three second insertion holes 12 that respectively cooperate with the first guide post 4 and the two third guide posts 11 are provided on the second connecting block 10, and the three second insertion holes 12 are arranged in a T shape. The first guide post 4 and the two third guide posts 11 are respectively inserted into the three second insertion holes 12. There are two plug gauge bodies 1, and the go-threads 2 and no-go threads 3 on the two plug gauge bodies 1 are arranged in the same direction. The plug gauge body 1 is provided with a guide hole 6 along the axial direction that cooperates with the third guide post 11, and the two plug gauge bodies 1 are respectively inserted onto the third guide post 11 through the guide hole 6. During detection, since the measuring parts of the two plug gauge bodies 1 are the go-gage and no-go-gage respectively, the go-gage and no-go-gage can respectively detect the workpiece without changing the orientation of the plug gauge body 1, avoiding the operation of frequently changing the orientation of the plug gauge body 1 and improving the detection efficiency of the plug gauge body 1.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thread plug gauge with guide posts, comprising a plug gauge body (1), wherein through-thread (2) and not-go thread (3) are respectively arranged at two ends of the plug gauge body (1), and it is characterized in that, It further includes a first guide post (4) and a fixing plate (5). The side surface of the first guide post (4) is a non-circular surface. One end of the first guide post (4) is fixedly connected to the fixing plate (5), and the first guide post (4) is perpendicular to the fixing plate (5). The plug gauge body (1) is provided with a guide hole (6) matching with the first guide post (4) along the axial direction, and the plug gauge body (1) is slidably inserted onto the first guide post (4) through the guide hole (6).

2. A thread plug gauge with guide posts, comprising a plug gauge body (1), wherein a go-thread (2) and a no-go-thread (3) are respectively arranged at two ends of the plug gauge body (1), and it is characterized in that, It further includes a first guide post (4), a fixing plate (5), a first connecting block (7) and a second guide post (8). The side surface of the first guide post (4) is a non-circular surface. One end of the first guide post (4) is fixedly connected to the fixing plate (5), and the first guide post (4) is perpendicular to the fixing plate (5). Two first insertion holes (9) matching with the first guide post (4) and the second guide post (8) are arranged on the first connecting block (7), and the two first insertion holes (9) are perpendicular to each other. The first guide post (4) and the second guide post (8) are respectively inserted into the two first insertion holes (9). The plug gauge body (1) is provided with a guide hole (6) matching with the second guide post (8) along the axial direction, and the plug gauge body (1) is inserted onto the second guide post (8) through the guide hole (6).

3. A screw plug gauge with guide posts, comprising a gauge body (1), with a go-thread (2) and a no-go-thread (3) respectively provided at two ends of the gauge body (1), characterized in that, It further includes a first guide post (4), a fixing plate (5), a second connecting block (10) and two third guide posts (11). The side surface of the first guide post (4) is a non-circular surface. One end of the first guide post (4) is fixedly connected to the fixing plate (5), and the first guide post (4) is perpendicular to the fixing plate (5). Three second insertion holes (12) respectively matching with the first guide post (4) and the two third guide posts (11) are arranged on the second connecting block (10), and the three second insertion holes (12) are arranged in a T shape. The first guide post (4) and the two third guide posts (11) are respectively inserted into the three second insertion holes (12). There are two plug gauge bodies (1), and the go-thread (2) and the not-go-thread (3) on the two plug gauge bodies (1) are arranged in the same direction. The plug gauge body (1) is provided with a guide hole (6) matching with the third guide post (11) along the axial direction, and the two plug gauge bodies (1) are respectively inserted onto the third guide post (11) through the guide hole (6).

4. The thread plug gauge with a guide post according to any one of claims 1-3, characterized in that, An anti-slip pad (13) is fixed to the bottom of the fixing plate (5).

5. The thread plug gauge with a guide post according to any one of claims 1-3, characterized in that, Through holes (14) for screw fixation are provided on the fixing plate (5).