CN207351326U - Extension bar inside micrometer verifying unit - Google Patents
Extension bar inside micrometer verifying unit Download PDFInfo
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- CN207351326U CN207351326U CN201721372028.3U CN201721372028U CN207351326U CN 207351326 U CN207351326 U CN 207351326U CN 201721372028 U CN201721372028 U CN 201721372028U CN 207351326 U CN207351326 U CN 207351326U
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Abstract
The purpose of this utility model is to provide a kind of extension bar inside micrometer verifying unit.A kind of extension bar inside micrometer verifying unit, including：Base, the check and correction benchmark snap-gauge that two relative inner faces are arranged in parallel and lower end is connected with base respectively, the different primary standard adjustment column of several length, the different secondary standard adjustment column of several length, two positioning components；One primary standard adjustment column and a secondary standard adjustment column are coaxially disposed, and one end of a primary standard adjustment column is pushed down the front portion of the medial surface of first check and correction benchmark snap-gauge and is detachably connected by a positioning component and first check and correction benchmark snap-gauge；Push down the front portion of the medial surface of second check and correction benchmark snap-gauge and be detachably connected by the front portion of another positioning component and second check and correction benchmark snap-gauge in one end of one secondary standard adjustment column.The extension bar inside micrometer verifying unit is proofreaded suitable for extension bar inside micrometer length, improves the endoporus inside diameter measurement precision of machine components.
Description
Technical field
It the utility model is related to measurer check and correction field, especially a kind of extension bar inside micrometer verifying unit.
Background technology
For with the machine components that endoporus aperture is 400mm to 1200mm, extension bar inside micrometer is common measurement
The measurer in endoporus aperture；Though the accurate check and correction calliper that set of inside micrometer is parallel to each other with two measuring surface is interior to proofread
The differential head of footpath micrometer, but the accurate length for proofreading the calliper extension bar inside micrometer longer to length can not proofread；
Since the extension bar length of extension bar micrometer is there are accumulated error and without suitable extension bar inside micrometer check and correction apparatus, exist
The endoporus inside diameter measurement precision of machine components is relatively low to easily cause the deficiency scrapped, and therefore, design one kind is suitable for extension bar internal diameter thousand
Divide the check and correction of ruler length, improve the extension bar inside micrometer verifying unit of the endoporus inside diameter measurement precision of machine components, become urgently
Solve the problems, such as.
Utility model content
The purpose of this utility model is to overcome at present due to extension bar micrometer extension bar length there are accumulated error and
Again without suitable extension bar inside micrometer check and correction apparatus, the endoporus inside diameter measurement precision there are machine components relatively low easily causes report
Useless deficiency, there is provided one kind is suitable for extension bar inside micrometer length and proofreads, and improves the endoporus inside diameter measurement precision of machine components
Extension bar inside micrometer verifying unit.
The concrete technical scheme of the utility model is：
A kind of extension bar inside micrometer verifying unit, including：Base；The extension bar inside micrometer verifying unit also wraps
Include：The check and correction benchmark snap-gauge that two relative inner faces are arranged in parallel and lower end is connected with base respectively, each not phase of several length
Same primary standard adjustment column, the different secondary standard adjustment column of several length, two positioning components；One primary standard adjustment
Column and a secondary standard adjustment column are coaxially disposed, and one end of a primary standard adjustment column pushes down first and proofreads the interior of benchmark snap-gauge
The front portion of side and by a positioning component and first check and correction benchmark snap-gauge be detachably connected；One secondary standard adjustment column
Push down the front portion of the medial surface of second check and correction benchmark snap-gauge and by another positioning component and second check and correction benchmark in one end
The front portion of snap-gauge is detachably connected.Extension bar inside micrometer verifying unit according to tested aperture size selection in use, properly grow
Degree is assembled into extension bar inside micrometer；Selected according to the measurement range of the extension bar inside micrometer assembled in two check and correction bases
Proofreaded, or selected in the suitable primary standard adjustment column other end and second check and correction base between the relative inner face of quasi- snap-gauge
Proofreaded, or selected in the suitable secondary standard adjustment column other end and first check and correction reference card between the medial surface of quasi- snap-gauge
Proofreaded between the medial surface of plate, or select the suitable primary standard adjustment column other end and suitable secondary standard adjustment column it
Between proofreaded；Extension bar inside micrometer is placed on the vee-block of corresponding rest pad group and is measured；Extension bar internal diameter thousand is divided
The measured value of ruler and two check and correction benchmark snap-gauge relative inner faces between numerical benchmark, or the primary standard adjustment column other end with
Numerical benchmark between the medial surface of second check and correction benchmark snap-gauge, or the secondary standard adjustment column other end and first check and correction benchmark
Numerical benchmark pair between numerical benchmark between the medial surface of snap-gauge, or the primary standard adjustment column other end and secondary standard adjustment column
Composition error value complement is repaid in measured data than drawing composition error value, when extension bar inside micrometer measures workpiece and can obtain
Accurate aperture size numerical value.The extension bar inside micrometer verifying unit is proofreaded suitable for extension bar inside micrometer length, is improved
The endoporus inside diameter measurement precision of machine components.
Preferably, the positioning component includes：Arranged on the positioning counterbore of check and correction benchmark snap-gauge medial surface, arranged on check and correction
Benchmark snap-gauge lateral surface and the through hole penetrated through with positioning counterbore bottom surface, equipped with positioning screw hole and diameter and positioning counterbore diameter matches
Positioning column, positioning screw；The screw rod of positioning screw is threadedly coupled through through hole and with positioning screw hole；One primary standard adjustment column
One end be connected with the positioning column of a positioning component；One end of one secondary standard adjustment column and the positioning of another positioning component
Column connects.Positioning component makes one end of primary standard adjustment column or one end of secondary standard adjustment column and check and correction benchmark snap-gauge dismounting side
Just, and connection is close to surely in one end of primary standard adjustment column or one end of secondary standard adjustment column with proofreading the medial surface of benchmark snap-gauge
Gu improve measurement accuracy.
Preferably, the extension bar inside micrometer verifying unit further includes：Two are connected by several lower ends and base
The rest pad group that the vee-block connect is formed；In tandem, a rest pad group is located at a primary standard adjustment column to two rest pad groups
Between a secondary standard adjustment column, another rest pad group positioned at the rear portions in two check and correction benchmark snap-gauge relative inner faces it
Between.The vee-block of rest pad group supports extension bar inside micrometer and is proofreaded, laborsaving to be beneficial to improve check and correction precision.
Preferably, the base is equipped with suppending hole.Extension bar inside micrometer verifying unit is hung vertically when not in use
Get up, prevent because dead weight produces flexural deformation.
Compared with prior art, the beneficial effects of the utility model are：The extension bar inside micrometer verifying unit is suitable for
Extension bar inside micrometer length is proofreaded, and improves the endoporus inside diameter measurement precision of machine components.Positioning component makes primary standard adjustment column
One end or one end of secondary standard adjustment column and check and correction benchmark snap-gauge it is convenient for disassembly and assembly, and one end of primary standard adjustment column or secondary standard
Stable connection is close in one end of adjustment column with proofreading the medial surface of benchmark snap-gauge, improves measurement accuracy.The vee-block branch of rest pad group
Extension bar inside micrometer is held to be proofreaded, it is laborsaving to be beneficial to improve check and correction precision.Base is equipped with suppending hole, extension bar inside micrometer
Verifying unit is hung up vertically when not in use, is prevented because dead weight produces flexural deformation.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the enlarged drawing at A in Fig. 1.
In figure：Base 1, check and correction benchmark snap-gauge 2, primary standard adjustment column 3, secondary standard adjustment column 4, positioning counterbore 5, through hole 6,
Positioning screw hole 7, positioning column 8, positioning screw 9, vee-block 10, suppending hole 11, extension bar inside micrometer 12.
Embodiment
It is shown below in conjunction with the accompanying drawings that the utility model is described further.
As shown in attached drawing 1, attached drawing 2, attached drawing 3：A kind of extension bar inside micrometer verifying unit, including：Base 1, two phases
The check and correction benchmark snap-gauge 2 that inner surface sides are arranged in parallel and lower end is connected with 1 screw of base respectively, the different master of eight length
Benchmark adjustment column 3, the different secondary standard adjustment column 4 of three length, two positioning components；One 3 He of primary standard adjustment column
One secondary standard adjustment column 4 is coaxially disposed, and one end of a primary standard adjustment column 3 pushes down first and proofreads the interior of benchmark snap-gauge 2
The front portion of side and it is detachably connected by a positioning component and first check and correction benchmark snap-gauge 2；One secondary standard adjustment column 4
One end push down second check and correction benchmark snap-gauge 2 medial surface front portion and by another positioning component and second check and correction base
The front portion of quasi- snap-gauge 2 is detachably connected.
The positioning component includes：Arranged on the positioning counterbore 5 of check and correction 2 medial surface of benchmark snap-gauge, arranged on check and correction reference card
2 lateral surface of plate and the through hole 6 penetrated through with 5 bottom surface of positioning counterbore, equipped with positioning screw hole 7 and diameter and 5 diametric clearance of positioning counterbore
The positioning column 8 of cooperation, positioning screw 9；The screw rod of positioning screw 9 is threadedly coupled through through hole 6 and with positioning screw hole 7；One master
One end of benchmark adjustment column 3 is integrally formed with the positioning column 8 of a positioning component and is connected；One end of one secondary standard adjustment column 4
It is integrally formed and is connected with the positioning column 8 of another positioning component.
The extension bar inside micrometer verifying unit further includes：Two V-arrangements being connected by two lower ends with 1 screw of base
The rest pad group that block 10 is formed；In tandem, a rest pad group is located at a primary standard adjustment column 3 and one to two rest pad groups
Between a secondary standard adjustment column 4, another rest pad group is between the rear portion in two 2 relative inner faces of check and correction benchmark snap-gauge.
The base 1 is equipped with suppending hole 11.
In the present embodiment, the measurement range of extension bar inside micrometer is 150mm to 2500mm, the micrometric screw axis of differential head
It is 25mm, scale division value 0.01mm to stroke；The length of eight primary standard adjustment columns 3 is respectively：480mm、580mm、680mm、
780mm, 880mm, 980mm, 1080mm, 1180mm, the length of three secondary standard adjustment columns 4 are respectively：25mm、50mm、75mm；
Primary standard adjustment column 3 is used to adjust large-size；Secondary standard adjustment column 4 is used to adjust reduced size.
Extension bar inside micrometer verifying unit according to tested aperture size selection appropriate length in use, be assembled into extension bar
Inside micrometer；Selected according to the measurement range of the extension bar inside micrometer assembled and proofread the opposite of benchmark snap-gauge 2 at two
Proofreaded, or selected in suitable 3 other end of primary standard adjustment column and second check and correction benchmark snap-gauge 2 between medial surface
Proofreaded between side, or select the inner side in suitable 4 other end of secondary standard adjustment column and first check and correction benchmark snap-gauge 2
Proofreaded between face, or select and carried out between suitable 3 other end of primary standard adjustment column and suitable secondary standard adjustment column 4
Check and correction；Extension bar inside micrometer 12 is placed on the vee-block 10 of corresponding rest pad group and is measured；By extension bar inside micrometer
Measured value and two check and correction benchmark snap-gauges 2 relative inner faces between numerical benchmark, or 3 other end of primary standard adjustment column with
Numerical benchmark between the medial surface of second check and correction benchmark snap-gauge 2, or 4 other end of secondary standard adjustment column and first check and correction base
Benchmark between numerical benchmark between the medial surface of quasi- snap-gauge 2, or 3 other end of primary standard adjustment column and secondary standard adjustment column 4
Numerical value contrast draws composition error value, and extension bar inside micrometer repays composition error value complement in measured data i.e. when measuring workpiece
It can obtain accurate aperture size numerical value.
The beneficial effects of the utility model are：The extension bar inside micrometer verifying unit is grown suitable for extension bar inside micrometer
Degree check and correction, improves the endoporus inside diameter measurement precision of machine components.Positioning component makes one end or the secondary standard tune of primary standard adjustment column
One end of whole column and check and correction benchmark snap-gauge are convenient for disassembly and assembly, and one end of primary standard adjustment column or one end and school of secondary standard adjustment column
Stable connection is close to the medial surface of benchmark snap-gauge, improves measurement accuracy.The vee-block of rest pad group supports extension bar internal diameter thousand and divides
Ruler is proofreaded, laborsaving to be beneficial to improve check and correction precision.Base is equipped with suppending hole, and extension bar inside micrometer verifying unit is when not in use
Hang up, prevented because dead weight produces flexural deformation vertically.
It is apparent to one skilled in the art that the utility model can change into various ways, and such change is not
Think to depart from the scope of the utility model.All such technical staff to the field obviously change, and will include
Within the scope of present claims.
Claims (4)
1. a kind of extension bar inside micrometer verifying unit, including：Base；It is characterized in that the extension bar inside micrometer check and correction
Device further includes：The check and correction benchmark snap-gauge that two relative inner faces are arranged in parallel and lower end is connected with base respectively, several length
Spend different primary standard adjustment column, the different secondary standard adjustment column of several length, two positioning components；One master
Benchmark adjustment column and a secondary standard adjustment column are coaxially disposed, and first check and correction benchmark is pushed down in one end of a primary standard adjustment column
The front portion of the medial surface of snap-gauge and by a positioning component and first check and correction benchmark snap-gauge be detachably connected；One secondary standard
Push down the front portion of the medial surface of second check and correction benchmark snap-gauge and by another positioning component and second in one end of adjustment column
The front portion of check and correction benchmark snap-gauge is detachably connected.
2. extension bar inside micrometer verifying unit according to claim 1, it is characterized in that, the positioning component includes：
Arranged on the positioning counterbore of check and correction benchmark snap-gauge medial surface, penetrated through arranged on check and correction benchmark snap-gauge lateral surface and with positioning counterbore bottom surface
Through hole, the positioning column equipped with positioning screw hole and diameter and positioning counterbore diameter matches, positioning screw；The screw rod of positioning screw passes through
Through hole and it is threadedly coupled with positioning screw hole；One end of one primary standard adjustment column is connected with the positioning column of a positioning component；One
One end of a secondary standard adjustment column is connected with the positioning column of another positioning component.
3. extension bar inside micrometer verifying unit according to claim 1 or 2, it is characterized in that, further include：Two by some
The rest pad group that the vee-block that a lower end is connected with base is formed；In tandem, a rest pad group is located at one to two rest pad groups
Between a primary standard adjustment column and a secondary standard adjustment column, another rest pad group is relatively interior positioned at two check and correction benchmark snap-gauges
Between the rear portion of side.
4. extension bar inside micrometer verifying unit according to claim 1 or 2, it is characterized in that, the base is equipped with outstanding
Hanging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372028.3U CN207351326U (en) | 2017-10-23 | 2017-10-23 | Extension bar inside micrometer verifying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721372028.3U CN207351326U (en) | 2017-10-23 | 2017-10-23 | Extension bar inside micrometer verifying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351326U true CN207351326U (en) | 2018-05-11 |
Family
ID=62356274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721372028.3U Active CN207351326U (en) | 2017-10-23 | 2017-10-23 | Extension bar inside micrometer verifying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880623A (en) * | 2020-11-30 | 2021-06-01 | 江苏省灌溉总渠管理处 | Unit concentric measuring device and method thereof |
-
2017
- 2017-10-23 CN CN201721372028.3U patent/CN207351326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880623A (en) * | 2020-11-30 | 2021-06-01 | 江苏省灌溉总渠管理处 | Unit concentric measuring device and method thereof |
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