CN216791021U - Measuring rod assistor for checking large-outer-diameter micrometer - Google Patents
Measuring rod assistor for checking large-outer-diameter micrometer Download PDFInfo
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- CN216791021U CN216791021U CN202122949043.2U CN202122949043U CN216791021U CN 216791021 U CN216791021 U CN 216791021U CN 202122949043 U CN202122949043 U CN 202122949043U CN 216791021 U CN216791021 U CN 216791021U
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- micrometer
- measuring
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Abstract
The utility model provides a measuring stick assistor for calibration of major outer micrometer, major outer micrometer is including measuring reference head and measuring stick, its characterized in that, the measuring stick assistor install in on the major outer micrometer, ring cover portion and circular slot portion including mutual fixed connection, ring cover portion is equipped with waist type hole, and the cover is arranged in on the measurement reference head of major outer micrometer, the circular slot portion is equipped with the semicircular groove who is used for placing the standard measuring stick. The utility model can complete the calibration operation of the outside micrometer through single operation, thereby not only improving the working efficiency, but also reducing the labor cost, achieving the effect of accurate calibration result, and being widely applicable to the calibration of the large outside micrometer of 300 mm-1000 mm.
Description
Technical Field
The utility model relates to an auxiliary tool for checking a precision measuring tool, in particular to a measuring rod assistor for checking a large-outside micrometer, and belongs to the technical field of mechanical manufacturing.
Background
The precision workpiece needs to be subjected to size inspection by using an outside micrometer and an equivalent tool after being machined so as to determine whether the machining size of the workpiece meets the requirement of a drawing. Before the outside micrometer is used for measuring the size of a workpiece, a standard measuring rod is needed to carry out precision calibration on the outside micrometer so as to ensure the accuracy of a size measuring result. The precision calibration process of a common outside micrometer is as follows: and placing the standard measuring rod between a measuring reference head and a measuring rod of the outside micrometer, closely contacting, and correcting the zero position of the outside micrometer.
For a large-size outside micrometer, such as an outside micrometer with a size of 300mm or more, precision calibration operation is difficult, because the large-size outside micrometer has a large volume and a standard measuring rod is too long, two persons are required to cooperate to perform calibration operation, namely, one person fits and fixes one end of the standard measuring rod with a measuring reference head on the large-size outside micrometer, the other person aligns the other end of the standard measuring rod with a measuring rod, and then a force measuring device on the large-size outside micrometer is rotated to perform calibration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a measuring bar assistor for checking a large-outer-diameter micrometer, which is arranged on the large-outer-diameter micrometer and used as a support for a standard measuring bar when the large-outer-diameter micrometer is checked by using the standard measuring bar before the dimension is measured after a workpiece is machined, so that the standard measuring bar is attached to a measurement reference head instead of being manually attached, the checking of the large-outer-diameter micrometer can be completed by one person, the working efficiency is improved, the labor cost is reduced, and the effect of accurate checking result is achieved.
The technical scheme for solving the technical problems is as follows:
the utility model provides a measuring stick assistor for calibration of major outer micrometer, major outer micrometer is including measuring reference head and measuring stick, its characterized in that, the measuring stick assistor install in on the major outer micrometer, ring cover portion and circular slot portion including mutual fixed connection, ring cover portion is equipped with waist type hole, and the cover is arranged in on the measuring reference head of major outer micrometer, circular slot portion is equipped with the semicircular groove who is used for placing the standard measuring stick.
Furthermore, the measuring rod assistor is made of stainless steel.
Further, the thickness of the ring sleeve part is determined according to the length of the measuring reference head, and the outline of the kidney-shaped hole corresponds to the outline of the measuring reference head.
Furthermore, all edge parts on the measuring rod assistor adopt circular arc or chamfer structures.
Furthermore, the specification of the large-outer-diameter micrometer is 300-1000 mm.
Further, the radius of the semicircular groove is determined according to the diameter of the standard measuring rod.
The utility model has the beneficial effects that:
the calibration operation of the outside micrometer can be completed through single operation, so that the working efficiency is improved, the labor cost is reduced, the accurate calibration result is achieved, and the calibration device is widely applicable to calibration of 300-1000 mm large outside micrometers.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
In the figure, the position of the first and second end faces,
1-ring sleeve part, 2-round groove part, 11-waist-shaped hole and 21-semi-circular groove.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the following examples are not intended to limit the scope of the present invention.
The utility model is used for checking the large-outside micrometer, which comprises a measuring reference head and a measuring rod, and the specification is 300-1000 mm.
Referring to fig. 1 and 2, the measuring rod assistor is mounted on the large outside micrometer, is made of stainless steel, and includes a ring sleeve portion 1 and a circular groove portion 2, which are fixedly connected to each other.
The ring sleeve part 1 is provided with a kidney-shaped hole 11 and is sleeved on a measuring reference head of the large-outer-diameter micrometer, the thickness of the ring sleeve part 1 is determined according to the length of the measuring reference head, the four measuring reference heads with the sizes of 0mm, 25mm, 50mm and 75mm can be used, and the outline of the kidney-shaped hole 11 corresponds to the outline of the measuring reference head.
The round slot part 2 is provided with a semi-circle groove 21 for placing a standard measuring rod, and the radius of the semi-circle groove 21 is determined according to the diameter of the standard measuring rod.
All edge parts on the measuring rod assistor adopt circular arc or chamfer structures.
When the measuring bar assistor is used, the waist-shaped hole 11 is sleeved on a measuring reference head of a large-outer-diameter micrometer, then a standard measuring bar is placed in the semicircular groove 21 of the measuring bar assistor, one end of the standard measuring bar is tightly attached to the measuring reference head, the other end of the standard measuring bar is aligned with a measuring rod of the large-outer-diameter micrometer by hand, and finally, a force measuring device on the large-outer-diameter micrometer is used for checking.
The specific using process of the utility model is as follows:
1. choose the measurement reference head of want measurement size for use, install on big external micrometer after cleaning.
2. The waist-shaped hole 11 of the ring sleeve part 1 of the rod measuring aid is sleeved on a measuring reference head of a large-outside micrometer.
3. The standard measuring stick is placed in the semicircular groove 21 of the measuring stick auxiliary device, and one end of the standard measuring stick is attached to the measuring reference head.
4. And (4) attaching the other end of the standard measuring bar to a measuring rod on the large-outside micrometer to check the large-outside micrometer.
In conclusion, the large-outer-diameter micrometer can be easily checked by a single person under the condition of operation, the checking result is accurate, the working efficiency is improved, and the labor cost is reduced.
Claims (6)
1. The utility model provides a measuring stick assistor for calibration of major outer micrometer, major outer micrometer is including measuring reference head and measuring stick, its characterized in that, the measuring stick assistor install in on the major outer micrometer, ring cover portion and circular slot portion including mutual fixed connection, ring cover portion is equipped with waist type hole, and the cover is arranged in on the measuring reference head of major outer micrometer, circular slot portion is equipped with the semicircular groove who is used for placing the standard measuring stick.
2. The measuring rod assistor for checking a micrometer with a large outside diameter according to claim 1, wherein the measuring rod assistor is made of stainless steel.
3. The gauge bar aid for checking of the major-outside micrometer according to claim 1, wherein the thickness of the ring sleeve part is determined according to the length of the measuring reference head, and the outline of the waist-shaped hole corresponds to the outline of the measuring reference head.
4. The measuring rod assistor for checking a large outside micrometer according to claim 1, wherein all edge portions of the measuring rod assistor adopt an arc or chamfer structure.
5. The measuring bar assistor for large outside micrometer calibration according to claim 1, wherein the large outside micrometer has a specification of 300mm to 1000 mm.
6. The gauge bar aid for verifying a micrometer caliper, according to claim 1, wherein the radius of the semicircular groove is determined according to the diameter of the standard gauge bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122949043.2U CN216791021U (en) | 2021-11-29 | 2021-11-29 | Measuring rod assistor for checking large-outer-diameter micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122949043.2U CN216791021U (en) | 2021-11-29 | 2021-11-29 | Measuring rod assistor for checking large-outer-diameter micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791021U true CN216791021U (en) | 2022-06-21 |
Family
ID=82005667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122949043.2U Active CN216791021U (en) | 2021-11-29 | 2021-11-29 | Measuring rod assistor for checking large-outer-diameter micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791021U (en) |
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2021
- 2021-11-29 CN CN202122949043.2U patent/CN216791021U/en active Active
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