CN104654953A - Vernier caliper for measuring distance between outer sides of in-hole grooves - Google Patents
Vernier caliper for measuring distance between outer sides of in-hole grooves Download PDFInfo
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- CN104654953A CN104654953A CN201410824086.XA CN201410824086A CN104654953A CN 104654953 A CN104654953 A CN 104654953A CN 201410824086 A CN201410824086 A CN 201410824086A CN 104654953 A CN104654953 A CN 104654953A
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- calliper rule
- slide calliper
- rule pawl
- pawl
- main scale
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Abstract
The invention discloses a vernier caliper for measuring distance between outer sides of in-hole grooves. The vernier caliper comprises a main caliper and a vernier, wherein the main caliper is provided with a first caliper claw; the vernier is provided with a second caliper claw; the first caliper claw and the second caliper claw are opposite and symmetric; each of the first caliper claw and the second caliper claw comprises a longitudinal connection part, a longitudinal measurement part and a transverse extension part; one ends of the transverse extension parts are connected with the longitudinal connection parts and the other ends of the transverse extension parts are connected with the longitudinal measurement parts; the distance between the longitudinal connection part of the first caliper claw and the longitudinal connection part of the second caliper claw is greater than the distance between the longitudinal measurement part of the first caliper claw and the longitudinal measurement part of the second caliper claw. The vernier caliper can be used for directly measuring the distance between outer sides of in-hole grooves without destroying the machined parts.
Description
Technical field
The present invention relates to a kind of vernier caliper that can be used for spacing outside measured hole inner groovy, belong to survey instrument technical field.
Background technology
Cross sectional shape workpiece as shown in Figure 3, its radial direction is provided with a through hole run through 1, through hole 1 inwall is provided with the annular groove 2 of two ring surfaces perpendicular to through-bore axis, this type of annular groove 2 is generally used for installing the parts such as jump ring, usually also can requirement be done for the spacing of two annular grooves 2 man-hour, especially the lateral wall spacing d(of two annular grooves 2 and " outside the inner groovy of hole spacing " described herein in actual adding) need to measure inspection to determine whether to meet the requirements.Vernier caliper is the instrument of industrial conventional measurement length, it is made up of blade and the vernier that can slide on blade, but the slide calliper rule pawl of the vernier caliper of common use cannot put in through hole, thus can not direct spacing outside measured hole inner groovy, the mode of usual employing indirect inspection is carried out: namely first use spacing outside supplemental measurement tool determining hole inner groovy, then measuring the length of supplemental measurement tool thus the length of spacing outside the inner groovy that must portal, obviously there is larger systematic error in above-mentioned metering system; In order to accurately obtain measurement result, cross sectional shape workpiece as shown in Figure 3 is then needed to open along axis cutting, then directly measure with vernier caliper, although the method measurement result is comparatively accurate, but belong to destructive detection method, not only measurement cost is high but also detection efficiency is low, and labor capacity is large.
Summary of the invention
The present invention for the deficiency that prior art exists, provides a kind of vernier caliper that can be used for spacing outside measured hole inner groovy just, without the need to destroying workpiece, can the direct vernier caliper of spacing outside measured hole inner groovy, and meet actual operation requirements.
For solving the problem, the technical solution used in the present invention is as follows:
A kind of vernier caliper that can be used for spacing outside measured hole inner groovy, comprise: main scale and the vernier be set on described main scale, the zero mark end of described main scale is provided with the first slide calliper rule pawl, the zero mark end of described vernier is provided with the second slide calliper rule pawl, and described first slide calliper rule pawl and described second slide calliper rule pawl are arranged and structural symmetry in opposite directions;
Described first slide calliper rule pawl and described second slide calliper rule pawl include perpendicular to longitudinal connecting portion of described main scale and longitudinal measurement section and the lateral extensions being parallel to described main scale, described lateral extensions one end connects described longitudinal connecting portion, and the described lateral extensions other end connects described longitudinal measurement section;
Described longitudinal connecting portion of described first slide calliper rule pawl is fixedly arranged on the zero mark end of described main scale, and described longitudinal connecting portion of described second slide calliper rule pawl is fixedly arranged on the zero mark end of described vernier; Spacing between described longitudinal connecting portion of described first slide calliper rule pawl and described longitudinal connecting portion of described second slide calliper rule pawl is greater than the spacing between described longitudinal measurement section of described first slide calliper rule pawl and described longitudinal measurement section of described second slide calliper rule pawl.
As the improvement of technique scheme, described longitudinal measurement section comprise be parallel to each other and all perpendicular to described main scale limit, school zero and measure limit, connected by wedge shape limit between the free end on described limit, school zero and described measurement limit.
As the improvement of technique scheme, described measurement limit is wimet edge system.
As the improvement of technique scheme, the zero mark end of described main scale is also provided with the 3rd slide calliper rule pawl, and described 3rd slide calliper rule pawl and described first slide calliper rule pawl lay respectively at the both sides of described main scale, the zero mark end of described vernier is provided with the 4th slide calliper rule pawl, and described 4th slide calliper rule pawl and described second slide calliper rule pawl lay respectively at the both sides of described vernier;
Described 3rd slide calliper rule pawl and described 4th slide calliper rule pawl are arranged and structural symmetry in opposite directions, and described 3rd slide calliper rule pawl and described 4th slide calliper rule pawl include perpendicular to described main scale longitudinal extension part and be parallel to the cross measure portion of described main scale, the described cross measure portion that described longitudinal extension part one end connects described main scale, the other end connects described 3rd slide calliper rule pawl of described 3rd slide calliper rule pawl, the described cross measure portion that described longitudinal extension part one end connects described vernier, the other end connects described 4th slide calliper rule pawl of described 4th slide calliper rule pawl.
As the improvement of technique scheme, described cross measure portion is wimet edge system.
Compared with prior art, implementation result of the present invention is as follows in the present invention:
The vernier caliper that can be used for spacing outside measured hole inner groovy of the present invention, breach the confinement of Traditional Thinking, the end of slide calliper rule pawl is made to carry out the measurement limit of twice bending final one-tenth carbide inserts, thus without the need to destroying workpiece, can the direct vernier caliper of spacing outside measured hole inner groovy, thus improve the accuracy of measurement, improve the efficiency measuring operation, reduce the labor capacity measuring operation.
Accompanying drawing explanation
Fig. 1 is the vernier caliper structural representation that can be used for spacing outside measured hole inner groovy of the present invention;
Fig. 2 is the longitudinal measurement section structure for amplifying schematic diagram that can be used for the vernier caliper of spacing outside measured hole inner groovy of the present invention;
Fig. 3 is the use-pattern schematic diagram that can be used for the vernier caliper of spacing outside measured hole inner groovy of the present invention.
Embodiment
Below in conjunction with specific embodiments content of the present invention is described.
As depicted in figs. 1 and 2, be the vernier caliper structural representation that can be used for spacing outside measured hole inner groovy of the present invention.The vernier caliper that can be used for spacing outside measured hole inner groovy of the present invention, the vernier 4 comprising main scale 3 and be set on described main scale 3, the zero mark end of described main scale 3 is provided with the first slide calliper rule pawl 5, the zero mark end of described vernier 4 is provided with the second slide calliper rule pawl 6, and described first slide calliper rule pawl 5 and described second slide calliper rule pawl 6 are arranged and structural symmetry in opposite directions; Described first slide calliper rule pawl 5 and described second slide calliper rule pawl 6 include perpendicular to longitudinal connecting portion 51 of described main scale 3 and longitudinal measurement section 52 and the lateral extensions 53 being parallel to described main scale 3, described lateral extensions 53 one end connects described longitudinal connecting portion 51, and described lateral extensions 53 other end connects described longitudinal measurement section 52; Described longitudinal connecting portion 51 of described first slide calliper rule pawl 5 is fixedly arranged on the zero mark end of described main scale 3, and described longitudinal connecting portion 51 of described second slide calliper rule pawl 6 is fixedly arranged on the zero mark end of described vernier 4; Spacing between described longitudinal connecting portion 51 of described first slide calliper rule pawl 5 and described longitudinal connecting portion 51 of described second slide calliper rule pawl 6 is greater than the spacing between described longitudinal measurement section 52 of described first slide calliper rule pawl 5 and described longitudinal measurement section 52 of described second slide calliper rule pawl 6.Particularly, described longitudinal measurement section 52 comprise be parallel to each other and all perpendicular to described main scale 3 limit, school zero 521 and measure limit 522, connected by wedge shape limit 523 between limit, described school zero 521 and the free end on described measurement limit 522.Described measurement limit 522 is wimet edge system.
As shown in Figure 3, use of the present invention when can be used for the vernier caliper of spacing outside measured hole inner groovy, described first slide calliper rule pawl 5 and described second slide calliper rule pawl 6 are put in through hole 1 from the two ends of workpiece through hole 1 respectively, and make the measurement limit 522 of the measurement limit 522 of described first slide calliper rule pawl 5 and described second slide calliper rule pawl 6 be resisted against on the lateral wall of two annular grooves 2 respectively, then reading, the reading of vernier caliper is added the intrinsic space D on the measurement limit 522 of described first slide calliper rule pawl 5 and the measurement limit 522 of described second slide calliper rule pawl 6, be the actual measured value of spacing d outside the inner groovy of hole.During school zero, the limit, school zero 521 of the limit, school zero 521 of described first slide calliper rule pawl 5 and described second slide calliper rule pawl 6 is contacted, and making vernier caliper reading now be zero, the spacing now between the measurement limit 522 of described first slide calliper rule pawl 5 and the measurement limit 522 of described second slide calliper rule pawl 6 is above-mentioned intrinsic space D.
Further with improvement, the zero mark end of described main scale 3 is also provided with the 3rd slide calliper rule pawl 7, and described 3rd slide calliper rule pawl 7 and described first slide calliper rule pawl 5 lay respectively at the both sides of described main scale 3, the zero mark end of described vernier 4 is provided with the 4th slide calliper rule pawl 8, and described 4th slide calliper rule pawl 8 and described second slide calliper rule pawl 6 lay respectively at the both sides of described vernier 4; Described 3rd slide calliper rule pawl 7 and described 4th slide calliper rule pawl 8 are arranged and structural symmetry in opposite directions, and described 3rd slide calliper rule pawl 7 and described 4th slide calliper rule pawl 8 include perpendicular to described main scale 3 longitudinal extension part 71 and be parallel to the cross measure portion 72 of described main scale 3, the described cross measure portion 72 that described longitudinal extension part 71 one end connects described main scale 3, the other end connects described 3rd slide calliper rule pawl 7 of described 3rd slide calliper rule pawl 7, the described cross measure portion 72 that described longitudinal extension part 71 one end connects described vernier 4, the other end connects described 4th slide calliper rule pawl 8 of described 4th slide calliper rule pawl 8.Described cross measure portion 72 is wimet edge system.Said structure may be used for the external diameter of groove outside measuring workpieces.
Above content is detailed description made for the present invention in conjunction with specific embodiments, can not assert that the present invention specifically implements to be only limitted to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of protection of the invention.
Claims (5)
1. can be used for the vernier caliper of spacing outside measured hole inner groovy, comprise main scale (3) and be set in the vernier (4) on described main scale (3), the zero mark end of described main scale (3) is provided with the first slide calliper rule pawl (5), the zero mark end of described vernier (4) is provided with the second slide calliper rule pawl (6), and described first slide calliper rule pawl (5) and described second slide calliper rule pawl (6) are arranged and structural symmetry in opposite directions; It is characterized in that:
Described first slide calliper rule pawl (5) and described second slide calliper rule pawl (6) include perpendicular to longitudinal connecting portion (51) of described main scale (3) and longitudinal measurement section (52) and the lateral extensions (53) being parallel to described main scale (3), described lateral extensions (53) one end connects described longitudinal connecting portion (51), and described lateral extensions (53) other end connects described longitudinal measurement section (52);
Described longitudinal connecting portion (51) of described first slide calliper rule pawl (5) is fixedly arranged on the zero mark end of described main scale (3), and described longitudinal connecting portion (51) of described second slide calliper rule pawl (6) is fixedly arranged on the zero mark end of described vernier (4); Spacing between described longitudinal connecting portion (51) of described first slide calliper rule pawl (5) and described longitudinal connecting portion (51) of described second slide calliper rule pawl (6) is greater than the spacing between described longitudinal measurement section (52) of described first slide calliper rule pawl (5) and described longitudinal measurement section (52) of described second slide calliper rule pawl (6).
2. can be used for the vernier caliper of spacing outside measured hole inner groovy as claimed in claim 1, it is characterized in that, described longitudinal measurement section (52) comprise be parallel to each other and all perpendicular to described main scale (3) limit, school zero (521) and measure limit (522), between the free end on limit, described school zero (521) and described measurement limit (522) by wedge shape limit (523) connection.
3. can be used for the vernier caliper of spacing outside measured hole inner groovy as claimed in claim 2, it is characterized in that, described measurement limit (522) is wimet edge system.
4. can be used for the vernier caliper of spacing outside measured hole inner groovy as claimed in claim 1, it is characterized in that, the zero mark end of described main scale (3) is also provided with the 3rd slide calliper rule pawl (7), and described 3rd slide calliper rule pawl (7) and described first slide calliper rule pawl (5) lay respectively at the both sides of described main scale (3), the zero mark end of described vernier (4) is provided with the 4th slide calliper rule pawl (8), and described 4th slide calliper rule pawl (8) and described second slide calliper rule pawl (6) lay respectively at the both sides of described vernier (4);
Described 3rd slide calliper rule pawl (7) and described 4th slide calliper rule pawl (8) are arranged and structural symmetry in opposite directions, and described 3rd slide calliper rule pawl (7) and described 4th slide calliper rule pawl (8) include perpendicular to described main scale (3) longitudinal extension part (71) and be parallel to the cross measure portion (72) of described main scale (3), described longitudinal extension part (71) one end of described 3rd slide calliper rule pawl (7) connects described main scale (3), the other end connects the described cross measure portion (72) of described 3rd slide calliper rule pawl (7), described longitudinal extension part (71) one end of described 4th slide calliper rule pawl (8) connects described vernier (4), the other end connects the described cross measure portion (72) of described 4th slide calliper rule pawl (8).
5. can be used for the vernier caliper of spacing outside measured hole inner groovy as claimed in claim 4, it is characterized in that, described cross measure portion (72) is wimet edge system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824086.XA CN104654953A (en) | 2014-12-26 | 2014-12-26 | Vernier caliper for measuring distance between outer sides of in-hole grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824086.XA CN104654953A (en) | 2014-12-26 | 2014-12-26 | Vernier caliper for measuring distance between outer sides of in-hole grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104654953A true CN104654953A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410824086.XA Pending CN104654953A (en) | 2014-12-26 | 2014-12-26 | Vernier caliper for measuring distance between outer sides of in-hole grooves |
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| CN (1) | CN104654953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953961A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Thickness measuring device |
Citations (10)
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|---|---|---|---|---|
| CN2424443Y (en) * | 2000-06-09 | 2001-03-21 | 杨永涛 | Vernier caliper |
| JP2002267401A (en) * | 2001-03-12 | 2002-09-18 | Toshiaki Doan | Attachment for vernier caliper |
| DE102004025242A1 (en) * | 2003-06-04 | 2005-01-20 | Rino Bossy | Vernier caliper gauge has a hollow shaft in which a moving jaw mounted on a circular shaft slides up and down, in the manner of a piston in a cylinder, with a measurement jaw extending through a slit in the hollow shaft |
| CN201066264Y (en) * | 2007-08-20 | 2008-05-28 | 宋文海 | Calipers with hard alloy measuring face |
| CN201637381U (en) * | 2010-04-02 | 2010-11-17 | 沈阳远大压缩机制造有限公司 | Center distance detecting tool for trapezoidal ring groove |
| CN202074899U (en) * | 2011-04-29 | 2011-12-14 | 宜兴市吉泰电子有限公司 | Vernier caliper long in service life |
| CN202442660U (en) * | 2012-03-08 | 2012-09-19 | 山东玲珑轮胎股份有限公司 | Measuring caliper |
| TWM439783U (en) * | 2012-07-03 | 2012-10-21 | ren-yong Yang | Caliper |
| CN202928466U (en) * | 2012-11-20 | 2013-05-08 | 昆山华晨电子有限公司 | Single-jaw heavy duty type caliper used for measuring pitch of V-CUT grooves on printed board |
| CN204421789U (en) * | 2014-12-26 | 2015-06-24 | 安徽省恒泰动力科技有限公司 | Can be used for the vernier caliper of spacing outside measured hole inner groovy |
-
2014
- 2014-12-26 CN CN201410824086.XA patent/CN104654953A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424443Y (en) * | 2000-06-09 | 2001-03-21 | 杨永涛 | Vernier caliper |
| JP2002267401A (en) * | 2001-03-12 | 2002-09-18 | Toshiaki Doan | Attachment for vernier caliper |
| DE102004025242A1 (en) * | 2003-06-04 | 2005-01-20 | Rino Bossy | Vernier caliper gauge has a hollow shaft in which a moving jaw mounted on a circular shaft slides up and down, in the manner of a piston in a cylinder, with a measurement jaw extending through a slit in the hollow shaft |
| CN201066264Y (en) * | 2007-08-20 | 2008-05-28 | 宋文海 | Calipers with hard alloy measuring face |
| CN201637381U (en) * | 2010-04-02 | 2010-11-17 | 沈阳远大压缩机制造有限公司 | Center distance detecting tool for trapezoidal ring groove |
| CN202074899U (en) * | 2011-04-29 | 2011-12-14 | 宜兴市吉泰电子有限公司 | Vernier caliper long in service life |
| CN202442660U (en) * | 2012-03-08 | 2012-09-19 | 山东玲珑轮胎股份有限公司 | Measuring caliper |
| TWM439783U (en) * | 2012-07-03 | 2012-10-21 | ren-yong Yang | Caliper |
| CN202928466U (en) * | 2012-11-20 | 2013-05-08 | 昆山华晨电子有限公司 | Single-jaw heavy duty type caliper used for measuring pitch of V-CUT grooves on printed board |
| CN204421789U (en) * | 2014-12-26 | 2015-06-24 | 安徽省恒泰动力科技有限公司 | Can be used for the vernier caliper of spacing outside measured hole inner groovy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953961A (en) * | 2018-09-26 | 2020-04-03 | 中冶宝钢技术服务有限公司 | Thickness measuring device |
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Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |