CN212320600U - Detection tool for measuring outer diameter of workpiece - Google Patents
Detection tool for measuring outer diameter of workpiece Download PDFInfo
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- CN212320600U CN212320600U CN202021301995.2U CN202021301995U CN212320600U CN 212320600 U CN212320600 U CN 212320600U CN 202021301995 U CN202021301995 U CN 202021301995U CN 212320600 U CN212320600 U CN 212320600U
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- measuring
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- outer diameter
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides an examine utensil for measuring work piece external diameter, including measuring the ring, be fixed with on the measurement ring and be used for leaning on the percentage table that is used for contacting the measured work piece opposite side periphery to the fixed gauge head and the gauge head of measured work piece one side periphery, fixed gauge head is total two, the percentage table sets up on the first central line of measuring the ring, and two fixed gauge heads set up on the measurement ring of first central line both sides. Because fixed gauge head is total two, and the percentage table setting is on the first central line of measuring the ring, and two fixed gauge heads set up on the measuring ring of first central line both sides for constitute triangle-shaped relation between fixed gauge head and the percentage table gauge head, compare with current slide caliper or micrometer carry out the work piece external diameter measurement, need not to go the alignment work of carrying out the work piece diameter, only need with in this scheme measure the ring cover on the work piece can, convenient to use.
Description
Technical Field
The utility model belongs to work piece size measurement field especially relates to an examine utensil for measuring work piece external diameter.
Background
The existing tools for measuring the outer diameter of a workpiece are a vernier caliper and a jack ruler, but the common vernier caliper has a small measuring range, cannot measure the outer diameter of a large workpiece (the outer diameter of the workpiece is more than 400 cm), and has high cost if the large-range vernier caliper is manufactured. Although the micrometer with the large measuring range can measure the outer diameter of a large workpiece, the micrometer with the large measuring range is the same as a vernier caliper, the diameter of the workpiece is not easy to align during measurement, the measuring speed is low, and people who cannot skillfully use the micrometer can difficultly measure the workpiece at all times, so that the measured value is easy to be inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, an object of the utility model is to provide an examine utensil for measuring work piece external diameter for solve among the prior art and use the measuring tool of work piece external diameter when measuring low, the big scheduling problem of error.
In order to realize above-mentioned purpose and other relevant purpose, the utility model provides an examine utensil for measuring work piece external diameter, including measuring the ring, be fixed with on the measurement ring and be used for leaning on the percentage table that is used for contacting by the fixed gauge head of measured work piece one side periphery and gauge head, fixed gauge head is total two, the percentage table setting is on the first central line of measuring the ring, and two fixed gauge heads set up on the measurement ring of first central line both sides.
Further, the fixed measuring head comprises a circular table which is in direct contact with a workpiece to be measured.
Furthermore, the measuring ring is provided with a threaded hole for installing a fixed measuring head through the side wall of the measuring ring, and the fixed measuring head further comprises a limiting end for limiting the insertion depth of the fixed measuring head and a threaded rod matched with the threaded hole.
Further, it offers the mounting hole that is used for installing the percentage table to run through its lateral wall on the ring to measure, and the measuring staff and the mounting hole clearance fit of percentage table just are provided with on the ring of measuring and are used for leaning on the fastening screw who fixes the percentage table measuring staff.
Furthermore, a tangent plane is arranged at the position where the dial indicator is installed on the measuring ring in the vertical direction.
Furthermore, two handles for moving the measuring ring are fixed on the measuring ring, and the two handles are symmetrically arranged along the first central line of the measuring ring.
Furthermore, a limiting block is fixed on the measuring ring, and the limiting block is fixed on the measuring ring above the dial indicator measuring rod.
Furthermore, one side of the limiting block, which is close to the workpiece, is in a circular arc shape protruding towards the workpiece, and the limiting block is fixed on the upper surface of the measuring ring.
As above, the utility model discloses in be arranged in measuring examining utensil of work piece external diameter has following beneficial effect:
because fixed gauge head is total two, and the percentage table setting is on the first central line of measuring the ring, and two fixed gauge heads set up on the measuring ring of first central line both sides for constitute triangle-shaped relation between fixed gauge head and the percentage table gauge head, fix a position the work piece from three direction, carry out the measurement of work piece external diameter with current slide caliper or micrometer and compare, need not to go to carry out the alignment work of work piece diameter, only need with in this scheme measure the ring cover on the work piece can, convenient to use.
Drawings
Fig. 1 is a plan view of an inspection device for measuring the outer diameter of a workpiece according to an embodiment of the present invention.
Fig. 2 is a schematic view of a sectional view structure of an inspection tool for measuring the outer diameter of a workpiece in an embodiment of the present invention.
Detailed Description
Reference numerals in the drawings of the specification include: the measuring device comprises a measuring ring 1, a handle 2, a fixed measuring head 3, a limiting block 4, a fastening screw 5, a dial indicator 6, a workpiece 7, a first central line 8 and a second central line 9.
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Examples
As shown in fig. 1 and fig. 2, this embodiment provides a gauge for measuring the outer diameter of a workpiece, which includes a measuring ring 1, wherein the measuring ring 1 is provided with a fixed measuring head 3, a dial indicator 6, a limiting block 4 and a handle 2.
The welding of hand (hold) 2 is in measuring 1 upper surface edge positions of ring, and hand (hold) 2 is total two in this embodiment, and two hand (hold) 2 all set up on second central line 9, and two hand (hold) 2 set up with 8 symmetries of first central line. The handle 2 and the measuring ring 1 are welded and fixed. The handle 2 is provided to facilitate handling of the measuring ring 1. The second central line 9 divides the measuring ring 1 into a first semicircle and a second semicircle, the first semicircle is located on the left side of the handle 2, and the second semicircle is located on the right side of the handle 2.
The first semicircle of measuring ring 1 runs through measuring ring 1 lateral wall and offers the screw hole, and the screw hole is offered the direction and is on a parallel with measuring ring 1 upper surface, and the directional centre of a circle of measuring ring 1 of screw hole is offered. Two screw holes have been seted up altogether in this scheme, and two screw hole settings are in 8 both sides of first central line, and two screw holes are 45 to 60 to the contained angle between the line of measuring the 1 centre of a circle of ring and the first central line 8 on the first semicircle. The fixed measuring head 3 is arranged in the threaded hole, namely the fixed measuring head 3 is in threaded connection with the measuring ring 1. The fixed measuring head 3 comprises a limiting end, a threaded rod and a round table, one end of the threaded rod is connected with the limiting end, and the other end of the threaded rod is connected with the round table. When the fixed measuring head 3 is installed, the round platform is installed towards the inside of the measuring ring 1, and the limiting end is located on the outer ring of the measuring ring 1 and is directly larger than the threaded hole. The arrangement of the circular truncated cone enables the fixed measuring head 3 and the workpiece 7 to be in point contact, so that the accuracy of diameter measurement of the workpiece 7 is improved.
A tangent plane is arranged on the outer ring of the measuring ring 1 and perpendicular to the mounting hole, and the tangent plane is symmetrically arranged with a first central line 8, so that the dial indicator 6 can be conveniently mounted. The second semicircle of the measuring ring 1 is provided with a mounting hole, and the measuring rod of the dial indicator 6 is in clearance fit with the mounting hole. The mounting hole is arranged along the first central line 8 towards the circle center, and the mounting hole penetrates through the side wall of the measuring ring 1. The upper surface of the measuring ring 1 is provided with fastening screw holes which are vertical to the mounting holes downwards, and the fastening screw holes are communicated with the mounting holes. The measuring rod of the dial indicator 6 is arranged in the mounting hole, and the fixing of the measuring rod of the dial indicator 6 is realized by arranging a fastening screw 5 in the fastening screw hole. The measuring rod of the dial indicator 6 can be tightly pushed or loosened by rotating the fastening screw 5, and after the fastening screw 5 loosens the measuring rod of the dial indicator 6, the position of the measuring rod of the dial indicator 6 in the mounting hole can be adjusted to adapt to measurement of workpieces 7 with different diameters.
The limiting block 4 is fixed on the upper surface of the measuring ring 1, and the limiting block 4 is positioned above the mounting hole and symmetrically arranged along the first central line 8. The limiting block 4 is in a shape of a circular arc protruding towards the circle center of the measuring ring 1, and the left side of the limiting block 4 is suspended on the inner circle of the measuring ring 1. The limiting block 4 is arranged to protect a measuring head of the dial indicator 6, and the phenomenon that the measuring head of the dial indicator 6 is impacted too much to cause the dial indicator to move when the workpiece 7 is measured, so that the measured value is incorrect is avoided. The arc is arranged on the limiting block 4 to avoid scratching the measured workpiece 7.
During specific implementation, before the measuring device is used, the dial indicator or the zero calibration position is needed, namely, the position of the measuring rod of the dial indicator 6 in the mounting hole is adjusted according to the standard part of the workpiece 7 to be measured, so that the numerical value displayed on the dial indicator 6 is consistent with the diameter numerical value of the standard part, and then the diameter measurement of the workpiece 7 corresponding to the standard part is carried out.
When the diameter is measured, the measuring ring 1 is sleeved on a measured workpiece 7, the fixed measuring head 3 is tightly attached to the outer diameter circumferential surface of the measured workpiece 7, the measuring head of the dial indicator 6 is contacted with the outer diameter circumferential surface of the other side of the measured workpiece 7, and the value displayed by the dial indicator 6 and the relative value during meter calibration are the diameter data of the measured workpiece 7.
The measuring ring 1 in the implementation can select different specifications according to the size of the workpiece to be measured in actual needs, namely, the outer diameter of the large workpiece can be measured by using the gauge structure in the embodiment, and the outer diameter of the small workpiece can be measured.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The gauge for measuring the outer diameter of the workpiece is characterized by comprising a measuring ring, wherein two fixed measuring heads and two dial indicators are fixed on the measuring ring, the fixed measuring heads are used for abutting against the circumferential surface of one side of the workpiece to be measured, the measuring heads are used for contacting the circumferential surface of the other side of the workpiece to be measured, the dial indicators are arranged on a first central line of the measuring ring, and the two fixed measuring heads are arranged on the measuring ring on two sides of the first central line.
2. The gauge for measuring the outer diameter of a workpiece according to claim 1, wherein the fixed probe comprises a circular table in direct contact with the workpiece to be measured.
3. The gauge for measuring the outer diameter of the workpiece according to claim 2, wherein the measuring ring is provided with a threaded hole for mounting the fixed measuring head through the side wall of the measuring ring, and the fixed measuring head further comprises a limiting end for limiting the insertion depth of the fixed measuring head and a threaded rod for matching with the threaded hole.
4. The gauge for measuring the outer diameter of the workpiece according to claim 3, wherein a mounting hole for mounting the dial indicator is formed in the measuring ring in a manner of penetrating through the side wall of the measuring ring, a measuring rod of the dial indicator is in clearance fit with the mounting hole, and a fastening screw for abutting against and fixing the measuring rod of the dial indicator is arranged on the measuring ring.
5. The gauge for measuring the outer diameter of the workpiece as claimed in claim 1, wherein the position of the measuring ring where the dial indicator is installed is provided with a tangent plane in a vertical direction.
6. The tool for measuring the outer diameter of the workpiece according to claim 1, wherein two handles for moving the measuring ring are fixed on the measuring ring, and the two handles are symmetrically arranged along the first central line of the measuring ring.
7. The gauge for measuring the outer diameter of the workpiece according to claim 1, wherein a limiting block is fixed on the measuring ring, and the limiting block is fixed on the measuring ring above the measuring rod of the dial indicator.
8. The gauge for measuring the outer diameter of the workpiece according to claim 7, wherein one side of the limiting block, which is close to the workpiece, is in a circular arc shape protruding towards the workpiece, and the limiting block is fixed on the upper surface of the measuring ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301995.2U CN212320600U (en) | 2020-07-06 | 2020-07-06 | Detection tool for measuring outer diameter of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301995.2U CN212320600U (en) | 2020-07-06 | 2020-07-06 | Detection tool for measuring outer diameter of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320600U true CN212320600U (en) | 2021-01-08 |
Family
ID=74028617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021301995.2U Active CN212320600U (en) | 2020-07-06 | 2020-07-06 | Detection tool for measuring outer diameter of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320600U (en) |
-
2020
- 2020-07-06 CN CN202021301995.2U patent/CN212320600U/en active Active
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