CN205175262U - Micrometer - Google Patents
Micrometer Download PDFInfo
- Publication number
- CN205175262U CN205175262U CN201520746826.2U CN201520746826U CN205175262U CN 205175262 U CN205175262 U CN 205175262U CN 201520746826 U CN201520746826 U CN 201520746826U CN 205175262 U CN205175262 U CN 205175262U
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- China
- Prior art keywords
- scale mark
- milscale
- scale
- microdrum
- zero line
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Abstract
The utility model discloses a micrometer, including fixing sleeve (1) and microdrum (2) be provided with axial zero line (11) on fixing sleeve (1), its characterized in that: be provided with the scale unit that can improve the precision on fixing sleeve (1), the scale unit is including setting up axial scale mark on fixing sleeve (1). Adopt the utility model discloses a micrometer can improve the precision and avoid misreading.
Description
Technical field:
The utility model relates to a kind of milscale, particularly relates to a kind of rotation class milscale.
Background technology:
Milscale, as a kind of precision measuringtoll, is widely used in various needs in the occasion measured.At present, the milscale used in that market is sold and factory includes fixed muffle and microdrum, described sleeve is provided with two row's scales, each is 1mm wherein above to arrange scale, the groove of lower row's scale divides in the middle of each of the row's of being located at scale, more than arrange adjacent two groove difference 1mm between scale, 0.5mm is differed between the groove of the scale of registering the license that each groove of lower row's scale is adjacent, at the scale mark being circumferentially provided with 50 deciles of microdrum, microdrum often rotates a circle and namely moves 0.5mm at axis, so microdrum often rotates lattice namely move axially 0.5/50=0.01mm.When measurement, object being measured is placed between micrometric screw and gage button, rotates microdrum, testee is contacted with gage button with micrometric screw, and regulates vernier adjustment knob, avoid producing excessive pressure and measurement result can be made again accurate.Adjust complete after start reading, first first read the upper row's scale on fixed muffle, arrange scale down once again, if lower row's scale mark exposes, be denoted as 0.5mm, if lower row's scale mark does not expose, be denoted as 0.0mm; And then the movable mark read on microdrum, be denoted as nx0.01mm, by the final size that namely movable mark that the fixing scale on fixed muffle adds on microdrum is testee, its precision can reach 0.01mm, be need carry out estimating reading reading the scale on microdrum in addition, the unit of final reading be 0.001mm.But even if existing milscale can reach the precision of 0.01mm, but when sometimes needing more high-precision measurement, milscale but cannot meet, and carry out also easily error occurring when estimating and read at use milscale.
In addition; existing milscale is a ubiquitous problem in reading process; namely staff usually there will be the position not seeing upper row's scale mark on fixed muffle and lower row's scale mark and microdrum edge; thus cause misreading; measurement result is made to occur the error of 0.5mm; and the error of 0.5mm is enough to cause scrapping of testee, and then it is huge that fabricator is lost.
Utility model content:
The purpose of this utility model is to provide the higher milscale of a kind of precision (comprising internal diameter, external diameter and micrometric depth gauge).
To achieve these goals, the utility model is achieved in that a kind of milscale, comprises fixed muffle and microdrum, and described fixed muffle is provided with axial zero line, described fixed muffle is provided with and can puies forward high-precision scale unit.Adopt the precision that can improve existing milscale in this way.
Preferably, described scale unit comprises the axial scale mark be arranged on described fixed muffle.Described axial scale mark can by matching with the scale on described microdrum thus improving the precision of described milscale.
In order to improve precision further, it is the scale mark L of 3.6 ° that described axial scale mark comprises the circumferential spacing with described zero line.
In order to improve precision further, it is the scale mark M of 1.8 ° that described axial scale mark also comprises the circumferential spacing with described scale mark L, and described scale mark M and described zero line divide the both sides being located at described scale mark L.
In order to improve precision further, it is the scale mark N of 0.9 ° that described axial scale mark also comprises the circumferential spacing with described scale mark M, and described scale mark N and described scale mark L divides the both sides being located at described scale mark M.
Misreading to avoid further, being expanded by widening angle between described axial scale mark and described zero line.
Preferably, expansion angle between described zero line and described scale mark L is the even-multiple of 3.6 °, expansion angle between described scale mark M and described zero line is the even-multiple of 1.8 °, and the expansion angle between described scale mark N and described zero line is the even-multiple of 0.9 °.
Misread to avoid further, described microdrum rotates a circle and namely moves 1mm vertically.Adopt milscale described in technique scheme, can not produce and misread, because microdrum rotates a circle namely move axially 1mm, and the measuring accuracy of scale mark on described fixed muffle is 1mm, and namely minimum lattice are 1mm.The error of half millimeter would not be produced like this because of misreading.
Misread to avoid further, at the scale mark being circumferentially provided with 50 deciles of described microdrum.The scale mark being circumferentially provided with 50 deciles of microdrum, would not misread due to the scale misunderstood on fixed muffle or microdrum like this.
Adopt milscale of the present utility model, there is following beneficial effect:
1: can measuring accuracy be improved; The axial scale mark that described fixed muffle is arranged, according to the matching relationship of the scale mark on described microdrum and described axial scale mark, can improve the precision of described milscale.
2: can avoid misreading; First the utility model eliminates the lower row half millimeter of scale mark on the milscale of existing routine, then the scale on described microdrum is set to 50 deciles by the utility model, uses the staff of milscale would not be too little thus cause having misread because of the spacing between scale mark like this.
Accompanying drawing illustrates:
Fig. 1 is the structural drawing of the utility model embodiment 1;
Fig. 2 is the enlarged drawing A of Fig. 1;
Fig. 3 is the structural drawing of the utility model embodiment 2;
Fig. 4 is the enlarged drawing B of Fig. 3;
Fig. 5 is the structural drawing of the utility model embodiment 3;
Fig. 6 is the enlarged drawing C of Fig. 5;
Fig. 7 is the structural drawing of the utility model embodiment 4;
Fig. 8 is the enlarged drawing D of Fig. 7;
Fig. 9 is the structural drawing of the utility model embodiment 5.
Label declaration: 1. fixed muffle; 11. zero lines; 2. microdrum; 3 scale mark L; 4. scale mark M; 5. scale mark N.
Embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail; but the utility model is not limited to these embodiments; any improvement on the present embodiment essence spirit or replacement, still belong to the utility model claim scope required for protection.
Embodiment 1: as depicted in figs. 1 and 2, a kind of milscale, comprise fixed muffle 1 and microdrum 2, described fixed muffle 1 is provided with axial zero line 11, and be provided with on described fixed muffle 1 and can put forward high-precision scale unit, described scale unit comprises the axial scale mark be arranged on described fixed muffle 1, and described axial scale mark is be the scale mark L of 3.6 ° with the circumferential spacing of described zero line 11.
Minimum lattice on the fixed muffle 1 of the milscale of the present embodiment represent 0.5mm, the scale being circumferentially provided with 50 deciles of microdrum 2, and each little lattice represents 0.01mm; Scale mark L3 can make the precision of described milscale reach 0.005mm.
When measurement, object being measured is placed between micrometric screw and gage button, rotates microdrum 2, testee is contacted with gage button with micrometric screw, and regulates vernier adjustment knob, measurement result can be made again accurate to avoid producing excessive pressure.Adjust complete after start reading, first the scale on fixed muffle 1 is first read, and then read microdrum 2 turns over scale corresponding to last root scale mark on described fixed muffle 1, finally compare zero line 11 and scale mark L3, observe scale mark on any single line and microdrum 2 closer to, if zero line 1 closer to; read 0.01, if scale mark L3 closer to, then read 0.005mm position.
In the present embodiment, described scale mark L3 is arranged on the lower end of described zero line 11; Certainly, described scale mark L3 also can be arranged on the upper end of described zero line 11.The milscale of the present embodiment is the milscale for measuring internal diameter, certainly also can be used for measuring the milscale of external diameter or the milscale for fathoming.
Embodiment 2: as shown in Figure 3 and Figure 4, a kind of milscale, comprise fixed muffle 1 and microdrum 2, described fixed muffle 1 is provided with axial zero line 11 and scale mark, described microdrum 2 rotates a circle and namely moves 1mm vertically, at the scale mark being circumferentially provided with 50 deciles of described microdrum 2.In addition, described fixed muffle 1 is provided with and can puies forward high-precision scale unit, described scale unit comprises the axial scale mark be arranged on described fixed muffle 1, described axis scale mark comprises scale mark L3, described scale mark L3 is arranged on the upper end of described zero line 11 and is 3.6 ° with the circumferential spacing of described zero line 11, and the milscale of the present embodiment can make the precision of described milscale reach 0.01mm.
When measurement, object being measured is placed in the measuring point of milscale, rotates microdrum 2, testee is contacted with measuring point, and regulates vernier adjustment knob, measurement result can be made again accurate to avoid producing excessive pressure.Adjust complete after start reading, first the scale on fixed muffle 1 is first read, and then read microdrum 2 turns over scale corresponding to last root scale mark on described fixed muffle 1, finally compare zero line 11 and scale mark L3, observe scale mark on any single line and microdrum 2 closer to, if zero line 11 closer to; read 0.02, if scale mark L3 closer to, then read 0.01mm position.
Adopt the milscale described in the present embodiment, spacing between each little lattice of the scale mark that described fixed muffle is arranged is 1mm, the excircle of described microdrum being provided with the scale mark of 50 deciles, so staff is when using milscale, can not misreading.In addition, in order to ensure precision, fixed muffle 1 being provided with scale mark L3, the precision of milscale can be made to reach 0.01mm, and avoid the error estimated tape reading and come.
In addition, the scale on the microdrum 2 in the present embodiment can be carried out 100 deciles, such microdrum 2 often turns over little lattice and namely moves axially 0.01mm, and the scale mark L3 that fixed muffle 1 is arranged can make the precision of this milscale reach 0.005mm.The milscale of the present embodiment can be the milscale for measuring internal diameter, certainly also can be used for measuring the milscale of external diameter or the milscale for fathoming.
Embodiment 3: as shown in Figure 5 and Figure 6, the present embodiment is the improvement carried out in embodiment 2, the present embodiment is compared with embodiment 2, fixed muffle 1 adds axial scale mark, i.e. scale mark M4, circumferential spacing between described scale mark M4 and described scale mark L3 is 1.8 °, and described scale mark M4 and described zero line 11 points are located at the both sides of described scale mark L3.
When measurement, object being measured is placed in the measuring point of milscale, rotates microdrum 2, testee is contacted with measuring point, and regulates vernier adjustment knob, measurement result can be made again accurate to avoid producing excessive pressure.Adjust complete after start reading, first the scale on fixed muffle 1 is first read, and then read microdrum 2 turns over scale corresponding to last root scale mark on described fixed muffle 1, finally compare zero line 11, scale mark L3 and scale mark M4, observe scale mark on any single line and microdrum 2 closer to, if zero line 11 closer to; read 0.02; If scale mark L3 closer to, then read 0.01mm position; If scale mark M4 closer to; read 0.005.Also need when reading to observe the distance that microdrum 2 turns over last root scale mark on described fixed muffle 1 and the zero line 11 on fixed muffle 1, if zero line 11 has exceeded the half-space on microdrum, if what read when reading is that the reading of scale mark M4 then needs the reading of adding scale mark L3 namely to superpose reading, if zero line 11 does not exceed the half-space on microdrum, then only need read the reading of scale mark M4.
Adopt the milscale described in the present embodiment, fixed muffle 1 is provided with scale mark L3 and scale mark M4, the precision of milscale can be made to reach 0.005mm, and avoid the error estimated tape reading and come.The milscale of the present embodiment can be the milscale for measuring internal diameter, certainly also can be used for measuring the milscale of external diameter or the milscale for fathoming.
Embodiment 4: as shown in Figure 7 and Figure 8, the present embodiment is the improvement carried out in embodiment 3, the present embodiment is compared with embodiment 3, fixed muffle 1 adds axial scale mark, i.e. scale mark N5, circumferential spacing between described scale mark N5 and described scale mark M4 is 0.9 °, and described scale mark N5 and described scale mark L3 divides the both sides being located at described scale mark M4.
When measurement, object being measured is placed in the measuring point of milscale, rotates microdrum 2, testee is contacted with measuring point, and regulates vernier adjustment knob, measurement result can be made again accurate to avoid producing excessive pressure.Adjust complete after start reading, first the scale on fixed muffle 1 is first read, and then read microdrum 2 turns over scale corresponding to last root scale mark on described fixed muffle 1, finally compare zero line 11, scale mark L3, scale mark M4 and scale mark N5, observe scale mark on any single line and microdrum 2 closer to, if zero line 11 closer to; read 0.02; If scale mark L3 closer to, then read 0.01mm position; If scale mark M closer to; read 0.005; As scale mark N5 closer to, then read 0.0025mm.Also need when reading to observe distance microdrum 2 turning over last root scale mark on described fixed muffle 1 and the zero line 11 on fixed muffle 1, if zero line 11 has exceeded the half-space on microdrum 2, if what read when reading is that the reading of scale mark M4 then needs the reading of adding scale mark L3 namely to superpose reading, if what read is the reading of scale mark N5, also need to observe zero line 11 and whether exceeded 3/4 lattice on microdrum, if do not exceed, need scale mark L3 to superpose with the reading of scale mark N5, if exceed, need scale mark L3, the reading superposition of scale mark M4 and scale mark N5.If zero line 11 does not exceed the half-space on microdrum, if what read when reading is the reading that the reading of scale mark M4 then only directly need read scale mark M4, if what read is the reading of scale mark N5, need to observe zero line 11 and whether exceeded 1/4 lattice on microdrum 2, if exceed, need scale mark M4 to superpose with the reading of scale mark N5, if do not exceed, directly read the reading of scale mark N5.
Adopt the milscale described in the present embodiment, fixed muffle 1 is provided with scale mark L3, scale mark M4 and scale mark N3, the precision of milscale can be made to reach 0.0025mm, and avoid the error estimated tape reading and come.In addition, in order to improve precision, staff can arrange scale mark again on fixed muffle, and the angle of scale mark by that analogy.The milscale of the present embodiment can be the milscale for measuring internal diameter, certainly also can be used for measuring the milscale of external diameter or the milscale for fathoming.
Embodiment 5: as shown in Figure 9, the present embodiment is the improvement carried out in embodiment 4, and the present embodiment, compared with embodiment 4, is expanded by widening angle between described axial scale mark and described zero line.
Expansion angle between scale mark L3 and zero line 11 is the even-multiple of 3.6 °, is 2 times namely 7.2 ° in the present embodiment, so the circumferential angle between scale mark L3 and zero line 11 is 7.2 °+3.6 ° namely 10.8 °; Expansion angle between scale mark M4 and zero line 11 is the even-multiple of 1.8 °, is 6 times namely 21.6 ° in the present embodiment, so the circumferential angle between scale mark M4 and zero line 11 is 21.6 °+1.8 ° namely 23.4 °; Expansion angle between scale mark N5 and zero line 11 is the even-multiple of 0.9 °, and being implemented in example is 36 times namely 32.4 °, so the circumferential angle between scale mark L3 and zero line 11 is 32.4 °+0.9 ° namely 33.3 °.This expands angle and can calculate according to the actual needs of user.
To the expansion between axis scale mark and zero line, staff can be made more can to see scale on fixed muffle 1 clearly, avoid generation to misread, and processing is also more prone to.
Claims (8)
1. a milscale, comprises fixed muffle (1) and microdrum (2), described fixed muffle (1) is provided with axial zero line (11), it is characterized in that: be provided with on described fixed muffle (1) and can put forward high-precision scale unit; Described scale unit comprises the axial scale mark be arranged on described fixed muffle (1).
2. milscale as claimed in claim 1, is characterized in that: it is the scale mark L(3 of 3.6 ° that described axial scale mark comprises with described zero line (11) circumferential spacing).
3. milscale as claimed in claim 2, it is characterized in that: described axial scale mark also comprises and described scale mark L(3) circumferential spacing is the scale mark M(4 of 1.8 °), and described scale mark M(4) be located at described scale mark L(3 with described zero line (11) point) both sides.
4. milscale as claimed in claim 3, it is characterized in that: described axial scale mark also comprises and described scale mark M(4) circumferential spacing is the scale mark N(5 of 0.9 °), and described scale mark N(5) with described scale mark L(3) point be located at described scale mark M(4) and both sides.
5. milscale as claimed in claim 4, be is characterized in that: expanded by widening angle between described axial scale mark and described zero line (11).
6. milscale as claimed in claim 5, it is characterized in that: described zero line (11) and described scale mark L(3) between expansion angle be the even-multiple of 3.6 °, described scale mark M(4) and described zero line (11) between expansion angle be the even-multiple of 1.8 °, described scale mark N(5) and described zero line (11) between expansion angle be the even-multiple of 0.9 °.
7. milscale as claimed in claim 6, is characterized in that: described microdrum (2) rotates a circle and namely moves 1mm vertically.
8. milscale as claimed in claim 7, is characterized in that: at the scale mark being circumferentially provided with 50 deciles of described microdrum (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746826.2U CN205175262U (en) | 2015-09-23 | 2015-09-23 | Micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746826.2U CN205175262U (en) | 2015-09-23 | 2015-09-23 | Micrometer |
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| Publication Number | Publication Date |
|---|---|
| CN205175262U true CN205175262U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746826.2U Expired - Fee Related CN205175262U (en) | 2015-09-23 | 2015-09-23 | Micrometer |
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| Country | Link |
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| CN (1) | CN205175262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070479A (en) * | 2022-06-15 | 2022-09-20 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lathe workpiece positioning device and method |
-
2015
- 2015-09-23 CN CN201520746826.2U patent/CN205175262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070479A (en) * | 2022-06-15 | 2022-09-20 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lathe workpiece positioning device and method |
| CN115070479B (en) * | 2022-06-15 | 2023-12-08 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Lathe workpiece positioning device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20180923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |