CN100561110C - Vernier caliper - Google Patents
Vernier caliper Download PDFInfo
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- CN100561110C CN100561110C CNB2006102014663A CN200610201466A CN100561110C CN 100561110 C CN100561110 C CN 100561110C CN B2006102014663 A CNB2006102014663 A CN B2006102014663A CN 200610201466 A CN200610201466 A CN 200610201466A CN 100561110 C CN100561110 C CN 100561110C
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- outside
- measuring claw
- vernier caliper
- measuring
- gas
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Abstract
The invention provides a kind of vernier caliper, comprise and have first outside with the main scale of measuring claw and have second outside that cooperates with measuring claw with described first outside a slide block with measuring claw, described vernier caliper also comprises a blowning installation, this blowning installation comprises in described first outside with measuring claw and described second outside with at least one the air accommodation apparatus between the measuring claw, at least one gas passage of being connected with corresponding air accommodation apparatus, and this at least one gas passage has respectively and is used at least one gas hole of blowing to the measured object surface.Described vernier caliper to the air blowing dedusting of measured object surface, can be saved a large amount of manufacturing times and cost when measured object is measured.
Description
Technical field
The present invention relates to a kind of survey instrument, particularly a kind of vernier caliper.
Background technology
The vernier caliper of 0～150mm on the market is to have edge of a knife shape inner measuring jaw by the blade leading section, and the cursor frame that has measuring jaw inside and outside the edge of a knife shape that cooperates with blade and the dipstick bar that is fixed on the cursor frame constitute.And the difference of the structure of the vernier caliper of 0～200mm on the market, 0～300mm and above-mentioned vernier caliper is to have micromatic setting, but does not have the dipstick bar.At present, in machine-building was measured, above-mentioned vernier caliper had extremely broad range of application.
But, when using the height of above-mentioned vernier caliper measurement camera lens module, can produce following problem.Behind the camera lens screw-in microscope base that will make, need the artificial height that uses the whole camera lens module of vernier caliper measurement, at this moment, whole camera lens module is exposed in the air, impurity such as airborne dust can deposit or be adsorbed on the lens barrel and outer optical element (as eyeglass, optical filter etc.) of camera lens module, be quality and the reliability of guaranteeing the camera lens module, must in subsequent handling, carry out operations such as dedusting this lens barrel and outer optical element.
Summary of the invention
In view of this, be necessary to provide the vernier caliper of the automatic dedusting of a kind of energy.
A kind of vernier caliper, comprise and have the main scale of first outside with measuring claw, and has second outside that cooperates with measuring claw with described first outside a slide block with measuring claw, described vernier caliper also comprises a blowning installation, this blowning installation comprises at least one the air accommodation apparatus between described first outside usefulness measuring claw and described second outside usefulness measuring claw, at least one gas passage that is connected with corresponding air accommodation apparatus, this at least one gas passage has at least one gas hole that is used for to the air blowing of measured object surface respectively, described first outside has a surface measurements with the measuring claw and described second outside respectively with measuring claw, described gas hole is arranged on described first outside and uses on the surface measurements of measuring claw with the measuring claw or described second outside, and described gas hole does not protrude in measuring claw is used in described first outside with the measuring claw or described second outside surface measurements.
When using above-mentioned vernier caliper that measured object is measured, to the air blowing dedusting of measured object surface, when blowing deposition off or being adsorbed on the lip-deep impurity of this measured object, dust etc., can prevent impurity, the dust deposit in the surrounding environment or be adsorbed on this measured object surface, thereby can guarantee the quality and the reliability of measured object.Vernier caliper provided by the invention need not follow-up dedusting operation necessary in the prior art, when guaranteeing measured object quality and reliability, can save a large amount of manufacturing times and cost.
Description of drawings
Fig. 1 is the front view (FV) of the vernier caliper of the embodiment of the invention;
Enlarged diagram when Fig. 2 is to use vernier caliper measurement camera lens module height among Fig. 1;
Fig. 3 is a kind of internal gas path of the embodiment of the invention and the formation synoptic diagram of gas hole;
Fig. 4 is the first kind of extraneous gas path of the embodiment of the invention and the formation synoptic diagram of gas hole;
Fig. 5 is the extraneous gas path among Fig. 4 and the left side synoptic diagram of gas hole;
Fig. 6 is the second kind of extraneous gas path of the embodiment of the invention and the formation synoptic diagram of gas hole;
Fig. 7 is the third extraneous gas path of the embodiment of the invention and the formation synoptic diagram of gas hole;
Fig. 8 is two air accommodation apparatus and the corresponding gas passage and the gas hole formation synoptic diagram of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
With reference to Fig. 1, present embodiment is that example describes with the vernier caliper of 0～150mm.This vernier caliper 100 has a main scale 1, slide block 11 that can slide along this main scale 1 and blowning installation 6.
Upper and lower at main scale 1 one ends forms first inboard measuring claw 2 and first outside measuring claw 3 used respectively.This first inboard measuring claw 2 and first outside used can be one-body molded with main scale 1 with measuring claw 3.Also be combined into one after the moulding separately.Be formed with degree of depth bar 16 with the slide block 11 synchronization-moving usefulness that fathom at the other end of main scale 1.In addition, its length direction is provided with main scale scale 4 in main scale 1 upper edge, is provided with secondary chi scale 5 on slide block 11.
Blowning installation 6 comprise be arranged on first outside with measuring claw 3 and second outside with at least one the air accommodation apparatus 61 between the measuring claw 13, and at least one gas passage 62 of being connected with air accommodation apparatus 61 accordingly.This at least one air accommodation apparatus 61 can be made by materials such as rubber, resins, is fixed on first outside usefulness measuring claw 3 and second outside with at least one side in the part main scale 1 between the measuring claw 13, first outside measuring claw 3, second outside usefulness measuring claw 13.This at least one gas passage 62 can be arranged on first outside with measuring claw 3, second outside with on the either party in the measuring claw 13, also can by be arranged on first outside with the first of measuring claw 3 be arranged on second outside and form (as be illustrated in a kind of internal gas path 62 among Fig. 3 and the formation of gas hole 63) with the second portion of measuring claw 13.In the present embodiment with an air accommodation apparatus 61 with to be arranged on second outside be example with a gas passage 62 on the measuring claw 13, that be connected with air accommodation apparatus 61.Described gas passage 62 has at least one and is arranged on second outside with the gas hole 63 on second surface measurements 131 of measuring claw 13.This at least one gas hole is evenly arranged on second surface measurements 131 of second outside with measuring claw 13, when air accommodation apparatus 61 is pushed with measuring claw 13 in mobile second outside, air accommodation apparatus 61 is squeezed and is out of shape, air in it is evenly blown to the surface of measured object by gas hole 63 through gas passage 62, when air accommodation apparatus 61 is loosened with measuring claw 13 in mobile second outside, the air accommodation apparatus 61 that is extruded will restore to the original state and produce certain suction, outside air is added in the air accommodation apparatus 61 through gas passage 62 by gas hole 63 even suctions under this suction, restores to the original state until air accommodation apparatus 61.
See figures.1.and.2 simultaneously, when using above-mentioned vernier caliper 100 to measure the whole height of camera lens module 200, the bottom surface away from lens barrel 220 of the microscope base 210 of camera lens module 200 is connected to first outside with on first surface measurements 31 of measuring claw 3, loosen fastener 14, push away signature projection 15 with finger, slide block 11 is moved along main scale 1 length direction, at this moment, direction with measuring claw 3 moves towards close first outside with measuring claw 13 in second outside, when moving to measuring claw 13, second outside begins being positioned at first outside measuring claw 3, when extruding takes place with the air accommodation apparatus between the measuring claw 13 61 in second outside, air accommodation apparatus 61 is squeezed and is out of shape, air in it is evenly blown by optical element 221 surfaces of gas hole 63 in the lens barrel 220 of camera lens module 200 through gas passage 62, by control slide block 11, promptly second outside is with the translational speed of measuring claw 13, can control the intensity of this air blowing, thereby can blow deposition off or be adsorbed on this optical element 221 and lens barrel 220 lip-deep impurity, dust etc., obtain true and reliable measurement data, can prevent simultaneously the impurity in the surrounding environment, dust deposit or be adsorbed on this optical element 221 and lens barrel 220 surfaces on, prevent in the operation of back because wiping eyeglass and the scratch that causes when scraping of causing of eyeglass injured heavy industry.When second outside abuts to lens barrel 220 away from microscope base 210 surperficial with second surface measurements 131 of measuring claw 13, pin fastener 14, read main scale scale 4 and with the match secondary chi scale 5 at place of secondary chi scale 5, both can obtain the whole height value of camera lens module 200.
After measuring end, loosen fastener 14, moving slider 11, promptly move second outside and loosen air accommodation apparatus 61 with measuring claw 13, at this moment, the air accommodation apparatus 61 that is extruded will restore to the original state and produce certain suction, and outside air is added in the air accommodation apparatus 61 through gas passage 62 by gas hole 63 even suctions under this suction, restores to the original state until air accommodation apparatus 61, pin fastener 14, use when measuring in order to next time.
Certainly, can realize the present invention in order existing vernier caliper not to be carried out bigger change, also gas passage 62 and gas hole 63 can be arranged on first outside and (as be illustrated in Fig. 4 with the outside surface of measuring claw 3, the first kind of extraneous gas path 62 among Fig. 5 and the formation of gas hole 63), second outside by being arranged on first outside with the first of measuring claw 3 outside surfaces with when being arranged on second outside and forming with the second portion of the outside surface of measuring claw 13 (as be illustrated in the third extraneous gas path 62 among Fig. 7 and the formation of gas hole 63), but will notice that gas hole 63 can not give prominence to first surface measurements 31 or second surface measurements 131 with the outside surface of measuring claw 13 (as be illustrated in second kind of extraneous gas path 62 among Fig. 6 and the formation of gas hole 63) or gas passage 62 and gas hole 63.At this moment, gas passage 62 and gas hole 63 can be fixed by methods such as glueing joint, lock, be spirally connected.
More than be to be that example describes so that an air accommodation apparatus 61 and corresponding gas passage 62 thereof and gas hole 63 to be set, in other embodiments, also can be as shown in Figure 8, adopt two air accommodation apparatus 61 and corresponding gas passage 62 thereof and gas hole 63 to constitute blowning installation 6, the present technique field personnel be understandable that, can also adopt plural air accommodation apparatus 61 and corresponding gas passage 62 thereof and gas hole 63 to constitute blowning installation 6.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (9)
1. vernier caliper, comprise and have the main scale of first outside with measuring claw, and has second outside that cooperates with measuring claw with described first outside a slide block with measuring claw, it is characterized in that, described vernier caliper also comprises a blowning installation, this blowning installation comprises at least one air accommodation apparatus of being located between described first outside usefulness measuring claw and described second outside usefulness measuring claw, at least one gas passage that is connected with corresponding air accommodation apparatus, this at least one gas passage has at least one gas hole that is used for to the air blowing of measured object surface respectively, described first outside has a surface measurements with measuring the melon and described second outside respectively with measuring claw, described gas hole is arranged on described first outside and uses on the surface measurements of measuring claw with the measuring claw or described second outside, and described gas hole does not protrude in the measurement melon is used in described first outside with the measuring claw or described second outside surface measurements.
2. vernier caliper as claimed in claim 1 is characterized in that, described at least one gas passage is arranged on described first outside and uses at least one side in the measuring claw with the measuring claw and described second outside.
3. vernier caliper as claimed in claim 2 is characterized in that, described at least one gas passage is arranged on described first outside and uses measuring claw inside with the measuring claw or described second outside.
4. vernier caliper as claimed in claim 2 is characterized in that, described at least one gas passage be attached to described first outside with measuring claw or described second outside with on the measuring claw.
5. vernier caliper as claimed in claim 1 is characterized in that, described at least one air accommodation apparatus is made by rubber or resin material.
6. vernier caliper as claimed in claim 1 is characterized in that, described at least one gas hole is a plurality of gas holes, and these a plurality of gas holes evenly distribute.
7. vernier caliper as claimed in claim 1 is characterized in that, is provided with one on the described slide block and is used to the fastener that makes described slide block fixing with respect to described main scale.
8. vernier caliper as claimed in claim 1 is characterized in that, described slide block is provided with a finger and pushes away signature with protruding.
9. vernier caliper as claimed in claim 1 is characterized in that, described main scale has first inboard and uses measuring claw, described slide block to have the second inboard measuring claw that cooperates with measuring claw with described first inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006102014663A CN100561110C (en) | 2006-12-29 | 2006-12-29 | Vernier caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006102014663A CN100561110C (en) | 2006-12-29 | 2006-12-29 | Vernier caliper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101210794A CN101210794A (en) | 2008-07-02 |
| CN100561110C true CN100561110C (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006102014663A Expired - Fee Related CN100561110C (en) | 2006-12-29 | 2006-12-29 | Vernier caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100561110C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914228B (en) * | 2011-09-26 | 2014-10-29 | 深圳中汇安仔贸易有限公司 | Double-zero-position caliper with mechanical watch |
| CN102331213B (en) * | 2011-09-26 | 2013-05-01 | 东莞市邦卡量具科技有限公司 | Double-zero-position caliper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945121A (en) * | 1971-06-30 | 1976-03-23 | Yehan Uchino | Device for preventing error in slide calipers |
| EP0336015A2 (en) * | 1988-04-01 | 1989-10-11 | CARL MAHR GMBH & CO. | Measuring tool |
| CN2098004U (en) * | 1991-08-14 | 1992-03-04 | 孙军 | Combined square calliper |
| CN2220058Y (en) * | 1994-09-27 | 1996-02-14 | 肖先海 | Measuring and marking dual-purpose square caliper |
-
2006
- 2006-12-29 CN CNB2006102014663A patent/CN100561110C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945121A (en) * | 1971-06-30 | 1976-03-23 | Yehan Uchino | Device for preventing error in slide calipers |
| EP0336015A2 (en) * | 1988-04-01 | 1989-10-11 | CARL MAHR GMBH & CO. | Measuring tool |
| CN2098004U (en) * | 1991-08-14 | 1992-03-04 | 孙军 | Combined square calliper |
| CN2220058Y (en) * | 1994-09-27 | 1996-02-14 | 肖先海 | Measuring and marking dual-purpose square caliper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101210794A (en) | 2008-07-02 |
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