CN112556544B - Internal thread quick-testing gauge - Google Patents
Internal thread quick-testing gauge Download PDFInfo
- Publication number
- CN112556544B CN112556544B CN202011305909.XA CN202011305909A CN112556544B CN 112556544 B CN112556544 B CN 112556544B CN 202011305909 A CN202011305909 A CN 202011305909A CN 112556544 B CN112556544 B CN 112556544B
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- Prior art keywords
- head
- detection
- detection head
- shaped
- adjustment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/204—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures of screw-threads
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/16—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
- G01B5/163—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures of screw-threads
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an internal thread quick detection tool, which belongs to the field of thread machining in the machining industry, and comprises a detection head and an adjustment head, wherein the detection head and the adjustment head are cylindrical, the detection head is in butt joint with the adjustment head, a fastening screw is arranged at the center of the detection head, a unidirectional ball bearing is arranged at one end of the fastening screw close to the adjustment head, the detection head and the adjustment head are connected through the unidirectional ball bearing, an A-shaped detection head and a V-shaped detection head which are symmetrically arranged are arranged at the top of one end of the detection head far away from the adjustment head, the A-shaped detection head and the V-shaped detection head pass through the same central axis, the part of the A-shaped detection head protruding out of the detection head is a tip, and the A-shaped detection head is fixedly connected with the fastening screw; the invention can realize the rapid detection of the internal thread, not only can adapt to the internal threads with different intervals, but also can ensure the detection accuracy, quicken the production efficiency of parts and promote the production standard of the parts.
Description
Technical Field
The invention belongs to the field of thread machining in the machining industry, and particularly relates to a quick internal thread testing tool.
Background
In machine manufacturing, the machining of threads is difficult compared with other parts because not only the profile of the threads but also the pitch diameter of the threads are controlled during machining, and the pitch diameter of the threads is not detectable by a solid surface and can only be measured by indirect detection.
Particularly for internal threads, the detection is more difficult, because the standard measuring tool for detecting the internal threads only has a thread plug gauge, and only detects the maximum value and the minimum value of the internal thread pitch diameter size, and cannot give the current value. This causes difficulties in the processing, since it is not known how much margin is available, how much more feed is needed, and a greater quality risk is created in the internal thread processing.
The invention aims at solving the problem that the processing of the existing internal thread is difficult to process compared with other parts. The internal thread is measured by utilizing a thread pitch diameter measuring method, a rotary diameter change and a dial indicator, when the internal thread is detected, the two side heads are symmetrically placed and are attached to thread teeth at the tightly-weighed positions, and when the threads are changed, the distance measurement is also changed.
Disclosure of Invention
The invention aims at: the quick internal thread detection tool solves the problem that the internal thread cannot be detected quickly.
The technical scheme adopted by the invention is as follows: the utility model provides an internal thread quick-detecting tool, includes detection head and adjustment head, detection head and adjustment head are cylindric, detection head and adjustment head butt joint, the center of detection head is provided with fastening screw, and fastening screw is close to the one end of adjustment head and is provided with one-way ball bearing, and detection head and adjustment head pass through one-way ball bearing and connect, and detection head keeps away from the one end top of adjustment head and is provided with A type gauge head and the V type gauge head that the symmetry set up, A type gauge head and V type gauge head pass through same axis, the part that A type gauge head outstanding detection head is pointed end, A type gauge head and fastening screw fixed connection, the part that V type gauge head outstanding detection head is concave end, V type gauge head passes through adjusting nut and detection head fixed connection;
further, the cross section sizes of the detection head and the adjustment head are the same;
further, the tip of the A-shaped measuring head and the concave end of the V-shaped measuring head are matched with the internal thread to be measured;
further, the length of the detection head is greater than that of the adjustment head;
further, one end of the adjusting head is provided with a scale mark;
further, the outer surface of the adjusting nut is lower than the outer surface of the detecting head.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention can realize the rapid detection of the internal thread, not only can adapt to the internal threads with different intervals, but also can ensure the detection accuracy, quicken the production efficiency of parts and promote the production standard of the parts.
2. The invention can ensure the production safety in the actual production process, can rapidly select the parts meeting the production requirement and improves the production efficiency.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered limiting in scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a prior art method for detecting internal threads
FIG. 2 is a schematic diagram of a two-end probe inspection according to the present invention
FIG. 3 is a schematic view of the structure of the A-type probe of the present invention;
FIG. 4 is a schematic view of the structure of the V-shaped gauge head of the present invention;
FIG. 5 is a schematic view of the structure of the present invention;
FIG. 6 is a schematic diagram of the detection range of the present invention;
FIG. 7 is a schematic illustration of the present invention for detecting internal thread pitch diameter;
FIG. 8 is a schematic drawing of the maximum calibrated dimension of the pitch diameter of the ring gauge thread of the same gauge prior to use of the present invention;
the marks in the figure: 1-A type measuring head; 2-V-shaped measuring head; 3-fastening a screw; 4-one-way ball bearings; 5-adjusting the head; 6-detecting head; 7-adjusting the nut; 8-measuring the angle zone beta; 9-detection range; 10-internal thread pitch diameter value; 11-small diameter of thread; 12-pitch diameter of the thread; 13-thread major diameter; b-ranging.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
It should be noted that, as shown in fig. 1, in the prior art, in the method for measuring the internal thread of the component, in machine manufacturing, machining of the thread is difficult compared with machining of other components, because in machining, not only the profile of the thread but also the pitch diameter Φ of the thread is controlled, and the pitch diameter of the thread is not available for detection, and can only be measured in an indirect detection manner, that is, the specific size of the internal thread is calculated by measuring the minor diameter 11, the pitch diameter 12 and the major diameter 13 of the thread respectively, so that such a measurement method is very inconvenient, and it cannot be guaranteed that all the internal threads meet the requirements of related production or use.
The features and capabilities of the present invention are described in further detail below in connection with examples.
Example 1
As shown in fig. 2-8, the present invention aims at the problem that the processing of the existing internal thread is difficult compared with the processing of other parts. The internal thread is measured by utilizing a thread pitch diameter measuring method, a rotary diameter change and a dial indicator, the V-shaped measuring head 2 and the A-shaped measuring head 1 are symmetrically placed on two sides during detection and are attached to thread teeth in a tight-weighing position, and when the threads change, the distance measurement B also changes; the specification sizes of the A-type measuring head 1 and the V-type measuring head 2 are selected according to the screw pitch P during the detection, if the screw pitch is P, the opening sizes W= 0.7948Pmm of the A-type measuring head and the V-type measuring head,
the invention relates to an internal thread rapid detection tool which comprises a detection head 6 and an adjustment head 5, wherein the detection head 6 and the adjustment head 5 are cylindrical, the detection head 6 is in butt joint with the adjustment head 5, a fastening screw 3 is arranged in the center of the detection head 6, one end of the fastening screw 3, which is close to the adjustment head 5, is provided with a one-way ball bearing 4, the detection head 6 and the adjustment head 5 are connected through the one-way ball bearing 4, one end top of the detection head 6, which is far away from the adjustment head 5, is provided with an A-shaped detection head 1 and a V-shaped detection head 2 which are symmetrically arranged, the A-shaped detection head 1 and the V-shaped detection head 2 pass through the same central axis, the part of the A-shaped detection head 1, which protrudes out of the detection head 6, is a tip, the A-shaped detection head 1 is fixedly connected with the fastening screw 3, the part of the V-shaped detection head 2, which protrudes out of the detection head 6, is a concave end, and the V-shaped detection head 2 is fixedly connected with the detection head 6 through an adjustment nut 7.
Further, the cross-sectional dimensions of the detecting head 6 and the adjusting head 5 are the same.
Further, the tip of the A-shaped measuring head 1 and the concave end of the V-shaped measuring head 2 are matched with the internal thread to be measured.
Further, the length of the detecting head 6 is larger than the length of the adjusting head 5.
Further, a scale mark is arranged at one end of the adjusting head 5.
Further, the outer surface of the adjusting nut is lower than the outer surface of the detecting head 6
The principle of the invention is as follows: the adjusting head is provided with 0-1 mm measuring scale marks, when the rotation angle beta of the measuring area of the A-type measuring head 1 is changed, the pitch diameter value M of the internal thread is also changed along with the change, the change value of the M is marked by the measuring scale at the end part of the adjusting head 5, and an operator reads the current value by the scale marks; the movable A-type measuring head 1 can flexibly operate in beta measurement, and the unidirectional ball bearing 4 ensures that the adjusting head 5 and the detecting head 6 can flexibly operate after being connected and fastened; the fixed V-shaped measuring head 2 is fixed on the detecting head 6 through the adjusting nut 7, meanwhile, the fixed V-shaped measuring head 2 can be in telescopic change, internal threads of different specifications can be adjusted through the telescopic change of the fixed V-shaped measuring head 2, and then the fixed V-shaped measuring head 2 is locked by the adjusting nut 7.
Before use, the invention is extended into the internal thread by calibrating the maximum value of the pitch diameter of the ring gauge (no-go gauge) thread with the same specification, the rotary movable A-type measuring head 1 can flexibly operate in beta measurement, when the A-type measuring head 1 and the fixed V-type measuring head 2 form a coaxial line, the pitch diameter of the internal thread is over-upper, and if not, the current actual measurement value is judged according to the scale. The pitch diameter size of the internal thread is reflected by a dial indicator.
The invention has the following effects: through verification, the design can basically meet the practical use requirements and design targets.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and modifications within the spirit and principles of the invention will become apparent to those skilled in the art.
Claims (1)
1. The utility model provides a utensil is examined soon to internal thread which characterized in that: the device comprises a detection head (6) and an adjustment head (5), wherein the detection head (6) and the adjustment head (5) are cylindrical, the detection head (6) is in butt joint with the adjustment head (5), a fastening screw (3) is arranged at the center of the detection head (6), a unidirectional ball bearing (4) is arranged at one end, close to the adjustment head (5), of the fastening screw (3), the detection head (6) and the adjustment head (5) are connected through the unidirectional ball bearing (4), an A-shaped detection head (1) and a V-shaped detection head (2) which are symmetrically arranged are arranged at the top of one end, far away from the adjustment head (5), of the detection head (6), the A-shaped detection head (1) and the V-shaped detection head (2) are fixedly connected with the fastening screw (3) through the same central axis, the part, protruding from the A-shaped detection head (6), of the V-shaped detection head (2) is a concave end, and the V-shaped detection head (2) is fixedly connected with the detection head (6) through an adjustment nut (7).
The cross section sizes of the detection head (6) and the adjusting head (5) are the same;
the tip of the A-shaped measuring head (1) and the concave end of the V-shaped measuring head (2) are matched with the internal thread to be measured;
the length of the detection head (6) is longer than that of the adjustment head (5);
one end of the adjusting head (5) is provided with a scale mark;
the outer surface of the adjusting nut is lower than the outer surface of the detecting head (6);
the opening sizes W= 0.7948Pmm of the A-type measuring head (1) and the V-type measuring head (2), wherein P is the screw pitch;
the detection method comprises the following steps:
the head of the adjusting head (5) is provided with 0-1 mm measuring scale marks, when the rotation angle beta of the measuring area of the A-type measuring head (1) changes, the pitch diameter value M of the internal thread also changes along with the change, the changing value of the M is marked by the measuring scale at the end part of the adjusting head (5), and an operator reads the current value by the scale marks; the movable A-type measuring head (1) can flexibly operate in beta measurement, and the unidirectional ball bearing (4) ensures that the adjusting head (5) and the detecting head (6) can flexibly operate after being connected and fastened; the fixed V-shaped measuring head (2) is fixed on the detecting head (6) through the adjusting nut (7), meanwhile, the fixed V-shaped measuring head (2) can stretch and change, and internal threads of different specifications can be adjusted through the stretch and change of the fixed V-shaped measuring head (2), and then the fixed V-shaped measuring head is locked by the adjusting nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305909.XA CN112556544B (en) | 2020-11-19 | 2020-11-19 | Internal thread quick-testing gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305909.XA CN112556544B (en) | 2020-11-19 | 2020-11-19 | Internal thread quick-testing gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112556544A CN112556544A (en) | 2021-03-26 |
| CN112556544B true CN112556544B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011305909.XA Active CN112556544B (en) | 2020-11-19 | 2020-11-19 | Internal thread quick-testing gauge |
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| Country | Link |
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| CN (1) | CN112556544B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188801U (en) * | 2011-08-08 | 2012-04-11 | 孙生强 | Female thread micrometer |
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2020
- 2020-11-19 CN CN202011305909.XA patent/CN112556544B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188801U (en) * | 2011-08-08 | 2012-04-11 | 孙生强 | Female thread micrometer |
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| CN112556544A (en) | 2021-03-26 |
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