CN211783223U - Micrometer for measuring pitch of holes - Google Patents
Micrometer for measuring pitch of holes Download PDFInfo
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- CN211783223U CN211783223U CN201921481559.5U CN201921481559U CN211783223U CN 211783223 U CN211783223 U CN 211783223U CN 201921481559 U CN201921481559 U CN 201921481559U CN 211783223 U CN211783223 U CN 211783223U
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 5
- 241001330002 Bambuseae Species 0.000 claims abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 5
- 239000011425 bamboo Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a micrometer of measurement pitch-row, including micrometer main part, micro-section of thick bamboo, fixed sleeve, adjustable screw rod, measuring mechanism includes first measuring mechanism and second measuring mechanism, and first measuring mechanism fixes the one end at adjustable screw rod, and second measuring mechanism and fixed sleeve fixed connection are located adjustable screw rod's the other end, and first measuring mechanism and second measuring mechanism set up relatively. The micrometer for measuring the pitch between the two small holes can accurately and effectively detect the distance between the two small holes, provides a high-efficiency and accurate detection tool or method for manufacturing a matching piece with unknown hole diameter or thread specification and pitch between the two small holes, and provides a simple and easy-to-operate detection tool or method for measuring a special-shaped piece with two holes not in a straight line or at the same height.
Description
Technical Field
The utility model relates to a measuring tool technical field especially relates to a measure micrometer of pitch-row.
Background
The existing micrometer or differential ruler has more types and basically meets the use requirements, such as an outer micrometer, an inner micrometer, a wall thickness micrometer, a limit micrometer and the like. However, in practical tests, the problem of measuring the pitch of two pin holes, namely the pin hole and the finger hole, with a cylindrical hole with a certain depth is also frequently encountered.
The most common method is to measure the diameters of two pin holes by a vernier caliper to calculate the radius, then measure the size of the outermost end or the size of the innermost end, finally find the maximum size by measuring the outermost end, then subtract the radius of the two pin holes, otherwise, measure the minimum size of the innermost end by adding the radius of the two pin holes, and finally obtain the center distance between the two holes, namely the hole distance between the two holes. The method is complicated in operation, the precision is limited by the precision of the vernier caliper, the error of a detection result is large, and the precision is low.
Other methods include direct determination of the hole spacing by higher-level inspection equipment such as three-coordinates, or inspection by a dedicated custom gauge. The three-coordinate system has high requirements on workpieces, is greatly influenced by space environment and temperature on an operation site, and has certain fluctuation of detection results. The special checking fixture is used for fixed and large-batch products, but has higher manufacturing cost and maintenance cost and poorer applicability to sample pieces and new products.
Disclosure of Invention
An object of the utility model is to provide a micrometer of measurement pitch-row combines wall thickness micrometer, interior micrometer and limit micrometer, can be accurate effectual detects out the distance between two apertures to provide high-efficient, accurate measuring tool or method for the fitting piece of making unknown aperture or screw specification, pitch-row, and measure the utensil or the method of examining that provides simple easy operation for two holes are not at a straight line or not the dysmorphism piece on same height.
In order to achieve the above object, the utility model provides a following technical scheme:
a micrometer for measuring hole pitch comprises a micrometer main body 1, a micro-cylinder 2, a fixed sleeve 3, an adjustable screw rod 4 and a measuring mechanism, and is characterized in that the measuring mechanism comprises a first measuring mechanism 5 and a second measuring mechanism 6, the first measuring mechanism 5 is fixed at one end of the adjustable screw rod 4, the second measuring mechanism 6 is fixedly connected with the fixed sleeve 3 and is positioned at the other end of the adjustable screw rod 4, and the first measuring mechanism 5 and the second measuring mechanism 6 are oppositely arranged;
the first measuring mechanism 5 comprises a first fixing frame 51 and a first measuring column 52, wherein the first measuring column 52 is connected to the bottom of the first fixing frame 51 and is perpendicular to the adjustable screw rod 4;
the second measuring mechanism 6 comprises a second fixed frame 61 and a second measuring column 62, and the second measuring column 62 is connected to the bottom of the second fixed frame 61 and is perpendicular to the adjustable screw rod 4; first measuring column 52 and second measuring column 62 are parallel to each other, and the bottom ends are in the same horizontal plane.
Furthermore, the central axes of the micro-cylinder 2, the fixed sleeve 3 and the adjustable screw rod 4 are collinear, and the zero line on the micro-cylinder and the measuring line on the fixed sleeve are on the same straight line.
Further, the first measuring mechanism 5 may further include a first ball measuring head 53 connected to a bottom end of the first measuring column 52; the second measuring mechanism 6 may further include a second ball measuring head 63 attached to the bottom end of the second measuring cylinder 62.
Further, the outer surface of adjustable screw 4 is equipped with guide way 7, and fixed sleeve 3 drives second measuring mechanism 6 and slides along guide way 7.
Furthermore, the range of the adjustable screw rod 4 comprises 150 mm-175 mm and 175 mm-200 mm.
Further, the diameters of the first measuring column 52 and the second measuring column 62 include 2mm, 4mm, and 8 mm.
Further, the micrometer main body can be an electronic digital display micrometer.
The basic idea of the invention is to design the measuring head into a cylinder shape, and easily and quickly find the maximum value and the minimum value of the two pin holes by using the principle that a circle is tangent to the circle, so that the distance between the two pin holes can be obtained by adding the maximum value and the minimum value and then dividing the sum by 2.
Compared with the prior art, the beneficial effects of the utility model are that:
1. quickly measuring the pitch of the two holes;
2. the sizes of the two holes are not considered any more, and the hole distance can be quickly measured even if one large hole and one small hole are arranged;
3. even if the centers of the two holes are not on the same horizontal line, the hole distance can be measured only by aligning and respectively positioning the two measuring heads in the small holes;
4. even if the effective depths of the two pin holes are different or the end surfaces of the pin holes are not on a plane (the two holes have height difference), the hole distance can be measured only by aligning and respectively positioning the two measuring heads in the small holes;
5. if the matching parts are manufactured, the hole distance can be measured by the measuring tool under the condition that the assembling parts are not required to be disassembled or can not be disassembled on the assembly. The measurement of the single piece after the assembly component is disassembled without time and labor, and then the assembling piece is manufactured and reassembled. Simple and easy operation, time saving and high efficiency.
Drawings
FIG. 1 is a three-dimensional schematic view of the measuring mechanism of the present invention in a cylindrical measuring column structure;
fig. 2 is a three-dimensional schematic view of the measuring mechanism of the utility model being a spherical measuring ball structure.
In the figure: 1. a micrometer main body; 2. a micro-drum; 3. fixing the sleeve; 4. an adjustable screw;
5. a first measuring mechanism; 51. a first fixing frame; 52. a first measuring column; 53. a first ball gauging head;
6. a second measuring mechanism; 61. a second fixing frame; 62. a second measuring column; 63. a second ball gauging head;
7. a guide groove; 8. and (6) finely adjusting a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a micrometer of measurement pitch-row, including micrometer main part 1, micro-section of thick bamboo 2, fixed sleeve 3, adjustable screw rod 4, measuring mechanism, micro-section of thick bamboo 2, fixed sleeve 3, the center pin collineation of 4 three of adjustable screw rod, zero line on the micro-section of thick bamboo is on a straight line with the volume line on the fixed sleeve, measuring mechanism includes first measuring mechanism 5 and second measuring mechanism 6, first measuring mechanism 5 fixes the one end at adjustable screw rod 4, second measuring mechanism 6 and 3 fixed connection of fixed sleeve, be located adjustable screw rod 4's the other end, first measuring mechanism 5 and the relative setting of second measuring mechanism 6.
The first measuring mechanism 5 comprises a first fixing frame 51 and a first measuring column 52, wherein the first measuring column 52 is connected to the bottom of the first fixing frame 51 and is perpendicular to the adjustable screw rod 4; the second measuring mechanism 6 comprises a second fixed frame 61 and a second measuring column 62, and the second measuring column 62 is connected to the bottom of the second fixed frame 61 and is perpendicular to the adjustable screw rod 4; first measuring column 52 and second measuring column 62 are parallel to each other, and the bottom ends are in the same horizontal plane.
The first measuring mechanism 5 may further include a first sphere measuring head 53 connected to the bottom end of the first measuring cylinder 52; the second measuring mechanism 6 may further include a second ball measuring head 63 attached to the bottom end of the second measuring cylinder 62.
The outer surface of adjustable screw rod 4 is equipped with guide way 7, and fixed sleeve 3 drives second measuring mechanism 6 and slides along guide way 7.
The range of the adjustable screw rod 4 comprises 150 mm-175 mm and 175 mm-200 mm, and can be adjusted according to the range. The diameters of the first measuring column 52 and the second measuring column 62 include 2mm, 4mm and 8mm, and can be changed according to the size of the measuring hole. The device is suitable for detecting parts with different apertures, different heights and different shapes.
In order to ensure higher measurement precision and resolution ratio, the mechanical micrometer can be replaced by an electronic digital display micrometer.
Tests prove that the method is not only used for measuring the distance between two holes conventionally, but also suitable for measuring the distance between large-range holes, and can efficiently and accurately detect the hole distance without being limited by whether the holes are the same in size and whether the holes are on a horizontal line or the same height. Meanwhile, the detection tool is efficient and accurate in manufacturing of matching parts and assembling parts which cannot be detached after sale.
Claims (8)
1. The utility model provides a measure micrometer of pitch-row, includes micrometer main part (1), micro-section of thick bamboo (2), fixed sleeve (3), adjustable screw rod (4), measuring mechanism, its characterized in that:
the measuring mechanism comprises a first measuring mechanism (5) and a second measuring mechanism (6), the first measuring mechanism (5) is fixed at one end of the adjustable screw rod (4), the second measuring mechanism (6) is positioned at the other end of the adjustable screw rod (4) and is fixedly connected with the fixed sleeve (3), and the first measuring mechanism (5) and the second measuring mechanism (6) are oppositely arranged;
the first measuring mechanism (5) comprises a first measuring column (52), and the first measuring column (52) is perpendicular to the adjustable screw rod (4);
the second measuring mechanism (6) comprises a second measuring column (62), and the second measuring column (62) is perpendicular to the adjustable screw rod (4);
the first measuring column (52) and the second measuring column (62) are parallel to each other, and the bottom ends of the first measuring column and the second measuring column are in the same horizontal plane.
2. A micrometer for measuring pitch of holes according to claim 1, wherein: the central shafts of the micro-cylinder (2), the fixed sleeve (3) and the adjustable screw rod (4) are collinear, and a zero line on the micro-cylinder and a measuring line on the fixed sleeve are on the same straight line.
3. A micrometer for measuring pitch of holes according to claim 1, wherein: the outer surface of the adjustable screw rod (4) is provided with a guide groove (7), and the fixed sleeve (3) drives the second measuring mechanism (6) to slide along the guide groove (7).
4. A micrometer for measuring pitch of holes according to claim 1, wherein: the first measuring mechanism (5) further comprises a first fixing frame (51), and the first measuring column (52) is connected to the bottom of the first fixing frame (51); the second measuring mechanism (6) further comprises a second fixing frame (61), and the second measuring column (62) is connected to the bottom of the second fixing frame (61).
5. A micrometer for measuring pitch of holes according to claim 1, wherein: the first measuring mechanism (5) further comprises a first measuring ball measuring head (53) which is connected to the bottom end of the first measuring column (52); the second measuring mechanism (6) further comprises a second measuring ball measuring head (63) connected to the bottom end of the second measuring column (62).
6. A micrometer for measuring pitch of holes according to claim 1, wherein: the range of the adjustable screw rod (4) comprises 150-175 mm and 175-200 mm.
7. A micrometer for measuring pitch of holes according to claim 1, wherein: the diameters of the first measuring column (52) and the second measuring column (62) comprise phi 2mm, phi 4mm and phi 8 mm.
8. A micrometer for measuring pitch of holes according to claim 1, wherein: the micrometer main body can be an electronic digital display micrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481559.5U CN211783223U (en) | 2019-09-07 | 2019-09-07 | Micrometer for measuring pitch of holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481559.5U CN211783223U (en) | 2019-09-07 | 2019-09-07 | Micrometer for measuring pitch of holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783223U true CN211783223U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921481559.5U Active CN211783223U (en) | 2019-09-07 | 2019-09-07 | Micrometer for measuring pitch of holes |
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| Country | Link |
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| CN (1) | CN211783223U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
| CN115479522A (en) * | 2022-10-11 | 2022-12-16 | 国网安徽省电力有限公司电力科学研究院 | Size detection device of cable protection pipe |
| CN116499331A (en) * | 2023-06-14 | 2023-07-28 | 杭州工具量具有限公司 | Digital display micrometer |
-
2019
- 2019-09-07 CN CN201921481559.5U patent/CN211783223U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
| CN115479522A (en) * | 2022-10-11 | 2022-12-16 | 国网安徽省电力有限公司电力科学研究院 | Size detection device of cable protection pipe |
| CN116499331A (en) * | 2023-06-14 | 2023-07-28 | 杭州工具量具有限公司 | Digital display micrometer |
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