CN100494906C - Electronic digital display lever great gauge - Google Patents

Abstract

This invention provides one electron lever tenthousandth micrometer relative to meter displacement device, which comprises measurement part with measurement bar, wherein, measurement part is loaded into secondary lever drive structure contacting to the measurement bar; the sensor movement part with amplifying times matched with lever drive structure and electron display parts of display screen signal process and display circuit; the sensor movement parts are loaded into secondary lever drive structure.

Description

Electronic digital display lever great gauge

Technical field:

The present invention is relevant with metering displacement instrument, is that the electronic digital display lever great gauge of 0.0001mm is relevant with resolving power especially.

Background technology:

At present commercially available mechanical lever milscale or mechanical lever comparator adopt the mechanical pointer reading, and scale division value is the 0.001mm/ lattice, and resolving power is low.The personal error that has reading, check and correction is slow, uses inconvenient.And existing electronic digital display micrometer or Electronic Digital Micrometer be owing to be provided with the electronic digital display assembly of belt sensor and signal processing circuit and display screen, so reading is directly perceived, but its measurement resolution is still low, can only reach 0.001mm.

Summary of the invention:

The objective of the invention is provides a kind of measurement resolution can reach 0.0001mm in order to overcome the deficiency of prior art, the electronic digital display lever great gauge that reading is directly perceived, check and correction is fast, easy to use.

The object of the present invention is achieved like this:

Electronic digital display lever great gauge of the present invention, comprise the measuring of being with sounding rod, it is characterized in that being loaded on the second lever gear train that the sounding rod displacement is amplified that contacts with sounding rod in the measuring, contain the electronic digital display assembly of the signal Processing display circuit of the sensor of sensor movement parts and sensor fixed part and band display screen with the band that the sounding rod displacement can be amplified ten thousand times after the second lever gear train cooperates, the sensor movement parts are contained on the second lever gear train, just the displacement of sounding rod can be amplified 10000 times after second lever gear train and electronic digital display assembly cooperate and show on display screen with digital form, the resolving power that makes measurer is 0.0001mm.

First lever 15 that is hinged on respectively on the measuring is arranged in the above-mentioned second lever gear train, second lever 16, be positioned at first lever 15, first drive link 17 that second lever is 16, second drive link 18, first lever, 15 1 arms contact with sounding rod, the two ends of first drive link 17 respectively with an arm contact of another arm and second lever 16 of first lever 15, another arm contact of the lower end of second drive link 18 and second lever 16, the sensor movement parts are fixed on second drive link 18, all-in-one-piece guide pole 21 is with it arranged on second drive link 18, the two ends of second extension spring 24 are connected on the guide pole 21 and second lever 16, the two ends of first extension spring 23 are connected to first lever 15, on second lever, 16 relevant positions, the effect in the gap of eliminating motion is played in extension spring.

On the hinge of the first above-mentioned lever 15 torsion spring is housed, makes the transmission of lever and the sounding rod motion in measurement not have the gap.

The other end that the 3rd extension spring 31, the three extension springs 31 are housed on the above-mentioned end of first lever 15 away from hinge is connected on the measuring, makes the motion in measurement of lever and sounding rod transmit no gap.

Above-mentioned first drive link 17 and second drive link 18 are parallel to each other, and axially-movable is flexible, the transmission accuracy height.

The groove that the sensor movement parts on second drive link 18 rotate that prevents that cooperates with first drive link 17 is arranged on one end of above-mentioned guide pole 21.

Have the orienting lug 33 of tape guide groove 32, guide pole 21 1 ends to stretch in the gathering sill on the orienting lug to prevent that the sensor movement parts on second drive link 18 from rotating on the above-mentioned measuring with on second drive link, 18 relevant positions.

There are lever contact groove 5, the first levers 15 to stretch on the arm of the lever contact groove on the sounding rod on the above-mentioned sounding rod contact 20 that contacts the groove contacts side surfaces with lever is arranged.

Above-mentioned sounding rod stretches into the contiguous block 27 that has all-in-one-piece front with it to have groove on the end of measuring, the orienting lug 29 that tape guide groove 28 is arranged with respect to the position of contiguous block in inboard, measuring bottom surface, the other end that one end is connected the guide pole 30 on the contiguous block stretches into the rotation that prevents contiguous block in the gathering sill on the orienting lug, first lever 15 passes the groove on the contiguous block, the contact 34 that contacts with the groove upper inside wall is arranged on it

Above-mentioned second lever gear train is the sounding rod displacement to be amplified ten times second lever gear train, the electronic digital display assembly of Pei Heing is for containing the band of thousand times of sounding rod displacement amplifications the capacitor grid transducer of capacitor grid transducer moving grid and fixed grid and the electronics capacitive grid numeral display assembly of the signal Processing display circuit of band display screen with it, and electronics capacitive grid numeral display assembly can have been bought on market.After cooperating, electronics capacitive grid numeral display assembly and second lever gear train the sounding rod displacement can be amplified ten thousand times.

The present invention has adopted the second lever gear train, form electric signal by being contained in the sensor movement parts on the second lever and the relative straight-line displacement effect of sensor fixed part again after the displacement of sounding rod amplified by the second lever gear train, amplify the back by the signal Processing display circuit again and on display screen, show, thereby realize that resolving power is the reading of 0.0001mm with digital form.

Compact conformation of the present invention can be made into the measurer of the high resolution of hand-held or miniaturization, as structure that can be made into the electronic digital display lever great chi or the structure that is made into the electronic digital display lever great table.The present invention organically combines traditional lever measuring principle and hyundai electronics sensing measurement technology, lever mobile change into intuitively, numeral shows clearly, has realized mechanical, electrical integrated.The resolving power height, measurement data is stable, and reading is directly perceived, but the optional position zero clearing, check and correction is fast, can establish public affairs/data-switching made in Great Britain, preset functions such as number, data output, be convenient to carry out computer data and handle and manage, high efficiency is brought great convenience to the user.

Description of drawings:

Fig. 1 is an electronic digital display lever great chi structural representation of the present invention.

Fig. 2 is second lever mechanism and a sounding rod assembling synoptic diagram among Fig. 1.

Fig. 3 is an electronic digital display lever great chi fundamental diagram.

Fig. 4 is an electronic digital display lever great list structure synoptic diagram of the present invention.

Fig. 5 is the left view of Fig. 4.

Fig. 6 is an electronic digital display lever great table front schematic view.

Fig. 7 is an electronic digital display lever great table fundamental diagram.

Embodiment:

Embodiment 1:

Fig. 1～Fig. 3 has provided present embodiment 1 electronic digital display lever great chi figure.Present embodiment is the example of handheld structure.Referring to Fig. 1～Fig. 3, measuring---rod support 1 relative position is provided with adjustable gage button 2, locking button 13, sounding rod 3.Sounding rod 3 is provided with upgrading slot 4, lever contact groove 5.The control gear that the control survey bar moves is formed by promoting button 7 and lift block 8, promote button 7 one ends and stretch in the rod support and can slide, an end that is hinged on the lift block 8 on the rod support contacts with the lifting button and the other end stretches in the upgrading slot and the upgrading slot contacts side surfaces.The displacement of sounding rod amplified the capacitor grid transducer that contains belt sensor moving grid 10 and fixed grid correspondingly 36 in 1000 times the commercially available electronics capacitive grid numeral display assembly 9, the signal Processing display circuit 12 of being with display screen 11, fixed grid 36 is positioned at the position corresponding with moving grid, the back side of display screen 11, and fixed grid and moving grid are parallel to each other and certain interval is arranged.The displacement of sounding rod can be amplified in 10 times the second lever gear train 14 has first lever 15, second lever 16 that is hinged on the rod support upper and lower part respectively, first drive link 17, second drive link 18 that are positioned at the vertical of 16 on first lever 15, second lever and are arranged in parallel.First drive link, 17 two ends contact with first lever 15, second lever 16 respectively, and second drive link, 18 lower ends contact with second lever 16.Motion block 35 is fixed on second drive link 18, and sensor moving grid 10 is attached on the motion block 35.On first lever, 15 hinges torsion spring 19 is housed.First lever 15 stretches on the arm of sounding rod lever contact groove 5 contact 20 that contacts the groove contacts side surfaces with lever is housed.All-in-one-piece guide pole 21 is with it arranged on second drive link 18, the groove 22 that second drive link 18 and sensor moving grid rotate that prevents that cooperates with first drive link 17 is arranged on the guide pole 21.This rotation-preventing mechanism makes more compact structure.The two ends of first extension spring 23 connect with first lever 15, second lever, 16 corresponding ends respectively.Second extension spring, 24 two ends are connected on the guide pole 21 and second lever 16.

Present embodiment electronic digital display lever great chi surveying work is based on the principle that compares and measures.Adjustable gage button is adjusted to suitable position, locking locking button, press the lifting button, calibrated bolck known dimensions and that desire survey workpiece size is approaching is placed between sounding rod and adjustable gage button, unclamp the lifting button, sounding rod tail springs 6 moves right it, tested small displacement makes 15 fine motions of first lever, thereby first drive link 17 is moved, first drive link 17 drives second lever 16 and moves, second lever 16 drives second drive link 18 and moves, capacitor grid transducer moving grid on second drive link 18 moves thereupon simultaneously, and the first above-mentioned drive link 17 and groove 22 on preventing guide pole 21 that moving grid rotates have guaranteed that moving grid is with respect to the parallel of fixed grid and keep the rectilinear motion of certain interval, relatively moving of capacitor grid transducer moving grid and fixed grid produces electric signal again through amplification of signal Processing display circuit and processing, thereby on display screen, demonstrate measured number, with the digital zero clearing that shows, press the lifting button and change to measured workpiece, and will be by above-mentioned motion transmittance process with respect to the former variation of sounding rod displacement, make the error amount that demonstrates on the display screen with respect to calibrated bolck, resolving power is 0.0001mm.

Fig. 3 is an electronic digital display lever great chi fundamental diagram, and the moving grid of sensor shown in figure displacement △ is:

$\mathrm{\Δ}\′=\frac{X\′}{X}\·\frac{Y\′}{Y}\·\mathrm{\Δ}$

Wherein Δ is the sounding rod displacement, and X, X ' are respectively distance, first lever 15 and first drive link, 17 contact points at contact 20 to the first levers 15 hinge centers on first lever 15 distance to first lever, 15 hinge centers.

Y, Y ' are respectively second lever 16 and first drive link, the 17 contact points distance to distance, second lever 16 and second drive link, 18 contact points at second lever, 16 hinge centers to second lever, 16 hinge centers.

Present embodiment can amplify or dwindle the multiple of amount of movement by changing lever ratio, can obtain different resolving powers, and its range also can have plurality of specifications: 0～25mm, 25～50mm, 50～75mm, 75～100mm or 0～1in, 1～2in, 2～3in, 3～4in etc.

Embodiment 2:

Fig. 4～Fig. 7 has provided present embodiment 2 electronic digital display lever great charts.Present embodiment is a miniaturization scale formula example of structure.Present embodiment 2 is basic same with embodiment 1.Do not exist together is not have the contact of measurement groove on the sounding rod and promote control gear.Adopted measuring---the column grip shank 26 that gauge stand 25, one ends and gauge stand 25 link into an integrated entity.The second lever gear train is positioned at gauge stand.Sounding rod 3 stretches into the contiguous block 27 that has all-in-one-piece front with it to have groove on the end of gauge stand 25.The orienting lug 29 that tape guide groove 28 is arranged on the position of inboard, gauge stand bottom surface with respect to contiguous block.The other end that one end is connected the guide pole 30 on the contiguous block stretches in the gathering sill 28 on the orienting lug 29 and prevent that contiguous block from rotating when gathering sill 28 slides.First lever 15 passes the groove in contiguous block front.First lever 15 is with respect to the contact 34 that contacts with contiguous block groove upper inside wall is arranged on the position on the sounding rod axially-extending line.The other end that the 3rd extension spring 31, the three extension springs 31 are housed on the end of first lever 15 away from hinge is connected and makes the motion in measurement of lever and sounding rod transmit no gap on the gauge stand.Having the orienting lug 33 of tape guide groove 32, guide pole 21 1 ends to stretch in the gathering sill on the orienting lug to prevent that second drive link 18 and sensor moving grid from rotating on the gauge stand with on the relevant position of second drive link 18, this mechanism is more convenient for adjusting.

Present embodiment electronic digital display lever great table also is based on and compares and measures principle, and using method is identical with the mechanical type lever comparator, is suitable for the high-precision measurement of little range.

Present embodiment can amplify or dwindle the multiple of amount of movement by changing lever ratio, can obtain different resolving powers.Its range can have plurality of specifications: ± 0.05mm, ± 0.1mm etc.Its grip shank also has ф 28, the specification of ф 16 and ф 8 etc.

Above-mentioned every work embodiment is further described foregoing of the present invention, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present invention.

Claims (10)

1, electronic digital display lever great gauge, comprise the measuring of being with sounding rod, it is characterized in that having the second lever gear train that the sounding rod displacement is amplified that contacts with sounding rod that is loaded in the measuring, contain the electronic digital display assembly of the signal Processing display circuit of the sensor of sensor movement parts and sensor fixed part and band display screen with the band that the sounding rod displacement can be amplified ten thousand times after the second lever gear train cooperates, the sensor movement parts are contained on the second lever gear train.

2, electronic digital display lever great gauge as claimed in claim 1, it is characterized in that having in the second lever gear train first lever (15) that is hinged on respectively on the measuring, second lever (16), be positioned at first lever (15), first drive link (17) between second lever (16), second drive link (18), first lever (15) one arms contact with sounding rod, the two ends of first drive link (17) respectively with an arm contact of another arm and second lever (16) of first lever (15), another arm contact of the lower end of second drive link (18) and second lever (16), the sensor movement parts are fixed on second drive link (18), all-in-one-piece guide pole (21) is with it arranged on second drive link (18), the two ends of second extension spring (24) are connected on guide pole (21) and second lever (16), and the two ends of first extension spring (23) are connected to first lever (15), on second lever (16) relevant position.

3, electronic digital display lever great gauge as claimed in claim 2 is characterized in that on the hinge of first lever (15) torsion spring being housed.

4, electronic digital display lever great gauge as claimed in claim 2 is characterized in that on the end of first lever (15) away from hinge the 3rd extension spring (31) being housed, and the other end of the 3rd extension spring (31) is connected on the measuring.

5,, it is characterized in that first drive link (17) and second drive link (18) are parallel to each other as claim 2 or 3 or 4 described electronic digital display lever great gauges.

6,, it is characterized in that having on the end of guide pole (21) groove that the sensor movement parts on second drive link (18) rotate that prevents that cooperates with first drive link (17) as claim 2 or 3 described electronic digital display lever great gauges.

7, as claim 2 or 4 described electronic digital display lever great gauges, it is characterized in that on the measuring with second drive link (18) relevant position on have the orienting lug (33) of tape guide groove (32), guide pole (21) one ends to stretch in the gathering sill on the orienting lug to prevent that the sensor movement parts on second drive link (18) from rotating.

8, as claim 2 or 3 described electronic digital display lever great gauges, it is characterized in that having on the sounding rod lever contact groove (5), first lever (15) stretches on the arm of the lever contact groove on the sounding rod contact (20) that contacts the groove contacts side surfaces with lever is housed.

9, as claim 2 or 4 described electronic digital display lever great gauges, it is characterized in that sounding rod stretches into the contiguous block (27) that has all-in-one-piece front with it to have groove on the end of measuring, the orienting lug (29) that tape guide groove (28) are arranged with respect to the position of contiguous block in inboard, measuring bottom surface, the other end that one end is connected the guide pole (30) on the contiguous block stretches in the gathering sill on the orienting lug and prevents that contiguous block from rotating, first lever (15) passes the groove on the contiguous block, and the contact (34) that contacts with the groove upper inside wall is arranged on it.

10, as claim 1 or 2 or 3 or 4 described electronic digital display lever great gauges, it is characterized in that the second lever gear train is for amplifying the sounding rod displacement ten times second lever gear train, the electronic digital display assembly of Pei Heing is for containing the band of thousand times of sounding rod displacement amplifications the capacitor grid transducer of capacitor grid transducer moving grid and fixed grid and the electronics capacitive grid numeral display assembly of the signal Processing display circuit of band display screen with it, electronics capacitive grid numeral display assembly with the sounding rod displacement can be amplified ten thousand times after the second lever gear train cooperates, the resolving power of measurer is 0.0001mm.

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