CN209524835U - High-precision tape measure - Google Patents
High-precision tape measure Download PDFInfo
- Publication number
- CN209524835U CN209524835U CN201920360592.6U CN201920360592U CN209524835U CN 209524835 U CN209524835 U CN 209524835U CN 201920360592 U CN201920360592 U CN 201920360592U CN 209524835 U CN209524835 U CN 209524835U
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- Prior art keywords
- tape measure
- stainless
- measure housing
- housing
- steel roll
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Abstract
The utility model discloses a kind of high-precision tape measures, it is related to tape measure art, it include: tape measure housing, the intracorporal middle part of Flexible rule case is provided with spool, and stainless-steel roll band is wound on spool, is symmetrically arranged with scale on the medial surface of stainless-steel roll band, laser-marking frosted indentation is provided between symmetrically arranged scale, one end of stainless-steel roll band is fixed on spool, and the other end of stainless-steel roll band is provided with ruler hook, and ruler, which hooks, stretches out tape measure housing；Ultra-fine laser, the ultra-fine laser is arranged in tape measure housing at ruler hook, the side of ultra-fine laser is provided with grating displacement sensor, and grating displacement sensor is parallel with the stainless-steel roll band at ruler hook, and ultra-fine laser and grating displacement sensor are all connect with detection unit.The utility model uses the stainless-steel roll band with laser-marking frosted indentation to be used cooperatively with ultra-fine laser and grating displacement sensor, and precision is higher.
Description
Technical field
The utility model relates to tape measure art more particularly to a kind of high-precision tape measures.
Background technique
Tape measure, also known as carpenter's square are a kind of soft measuring tools, are made of materials such as plastics, steel bar, clothes.It holds
It is portable, some lengths of a curve can be measured.
Occur a variety of tape measures in the market, commonly by electromagnetism tape measure.Existing Electronic tape measure is sold many on the net, still
Precision it is good also only in 0.1MM or so.
It can achieve the tape measure of the measurement accuracy of 0.01MM without a kind of tape measure on the market at present, reason is to be applicable in model
Enclose it is small, but have very big demand property.Such as the mechanical body structure of large-scale integraty, large-scale high-precision milling machine, vehicle cannot be used
When bed is handled, high-precision measurement is generally required worker and is taken multiple measurements using vernier caliper, and error among these
The experience of worker can only be often leaned on to make up, while if using longer high-precision electronic scale, all without consideration heat
Destruction of the coefficient of expansion to precision.Such as two meters of long mechanical arms, according to the different coefficients of expansion between 0 degree and 30 degree,
The difference of breathing can achieve 1MM, if drilling through the aperture of 1MM at both ends at different temperatures, error will be such that it scraps.
Utility model content
The purpose of the utility model is to provide a kind of high-precision tape measures for solving the above problem of the existing technology.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of high-precision tape measure of the utility model comprising:
Tape measure housing, the intracorporal middle part of Flexible rule case are provided with spool, stainless-steel roll band, stainless steel are wound on spool
It is symmetrically arranged with scale on the medial surface of winding, laser-marking frosted indentation, stainless steel are provided between symmetrically arranged scale
One end of winding is fixed on spool, and the other end of stainless-steel roll band is provided with ruler hook, and ruler, which hooks, stretches out tape measure housing；
Ultra-fine laser, the ultra-fine laser are arranged in tape measure housing at ruler hook, the side of ultra-fine laser
It is provided with grating displacement sensor, grating displacement sensor is parallel with the stainless-steel roll band at ruler hook, ultra-fine laser
It is all connect with detection unit with grating displacement sensor.
Further, the detection unit is connect by route with two temperature sensors, one of temperature sensor
Be fixed on the inside of tape measure housing, the fixed tape measure housing outer exterior wall of another temperature sensor and with detection unit corresponding position.
Further, the detection unit includes coefficient of expansion memory, liquid crystal display and calculator, the calculator
Pass through route respectively with liquid crystal display to be connected with expansion system memory, coefficient of expansion memory and calculator are arranged in tape measure
In shell, liquid crystal display is fixed on the top on tape measure housing and being located at calculator.
Further, the calculator is connect by route with rechargeable battery, and the charge port of rechargeable battery is installed in tape measure
On shell, the control switch of rechargeable battery is arranged on the side wall of tape measure housing.
Further, two pairs of calibration fixed idler whells are provided in the tape measure housing, one pair of them calibration fixed idler whell turns
In stainless-steel roll band opening direction at tape measure housing, another pair calibration fixed idler whell is installed in tape measure housing for dynamic setting
Close to outlet end, the one end connect is linked with ruler on stainless-steel roll band and sequentially passes through above-mentioned two pairs of calibration fixed idler whells and by outlet end
Stretch out tape measure housing.
Further, anti-collision ring is provided on the outer wall of the tape measure housing, anti-collision ring covers on another temperature sensor
On, anti-collision ring cover is located at the top of charge port.
Further, fixing card is provided on the side wall of the tape measure housing.
Further, on the outside of the outlet of the tape measure housing setting symmetrical above and below detent block, the detent block setting exists
One end of tape measure housing, ruler hook are stuck on the detent block being located above.
Further, dust brush is provided between the detent block and tape measure housing, the height of dust brush is greater than detent block
Height.
In the above-mentioned technical solutions, a kind of high-precision tape measure provided by the utility model has the beneficial effect that
1, matched using the stainless-steel roll band with laser-marking frosted indentation with ultra-fine laser and grating displacement sensor
It closes and uses, precision is higher.
2, the thermal expansion coefficient of the winding of different lot numbers is stored using individual expansion system memory, it is ensured that survey
The precision of amount
3, the temperature inside and outside tape measure housing is compared using double temperature sensor, can makes to pass through when measurement hot swollen
Swollen coefficient carries out more accurate breathing to winding and calculates.
4, using two pairs of calibration fixed idler whells, the work of stainless-steel roll band can be made more stable.
5, using dust brush, stainless-steel roll band passes through dust brush during the work time, dust can be stopped to enter Flexible rule case
In vivo, measurement is made to keep accurate for a long time.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model
Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is a kind of schematic diagram of internal structure of high-precision tape measure provided by the embodiment of the utility model；
Fig. 2 is a kind of main view of high-precision tape measure provided by the embodiment of the utility model；
Fig. 3 is a kind of rearview of high-precision tape measure provided by the embodiment of the utility model；
Fig. 4 is a kind of side view of high-precision tape measure provided by the embodiment of the utility model；
Fig. 5 is that laser when a kind of high-precision tape measure provided by the embodiment of the utility model uses projects principle of reflection figure；
Fig. 6 is the top view of Fig. 5.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair
The utility model is further detailed.
Referring to shown in Fig. 1-4；
A kind of high-precision tape measure of the utility model, comprising:
Tape measure housing 1, the middle part in the tape measure housing 1 are provided with spool 2, stainless-steel roll band 3 are wound on spool 2,
It is symmetrically arranged with scale 4 on the medial surface of stainless-steel roll band 3, for the measurement of ordinary circumstance, is set between symmetrically arranged scale 4
It is equipped with laser-marking frosted indentation 5, is used for laser defusing measure, one end of stainless-steel roll band 3 is fixed on spool 2, stainless steel
The other end of winding 3 is provided with ruler and hooks 6, and ruler hooks 6 and stretches out tape measure housing 1；
Ultra-fine laser 7, the ultra-fine laser 7 is arranged in tape measure housing 1 to be hooked at 6 close to ruler, ultra-fine laser 7
Side is provided with grating displacement sensor 8, and grating displacement sensor 8 is parallel with the stainless-steel roll band 2 at ruler hook 6, surpasses
Thin laser 7 and grating displacement sensor 8 are all connect with detection unit.Ultra-fine laser 7 can be selected according to accuracy requirement
One word laser of different thicknesses, 0.001mm to 0.01mm arrive the laser of 0.5mm, sell currently on the market.Pattern displacement
Sensor incudes scattering laser, to obtain high-precision displacement data, stainless-steel roll band will basis after pull-out
There is breathing phenomenon in temperature, can guarantee measurement accuracy by temperature sensor 9 and thermal expansion coefficient calculating.Two temperature sensing
The calculating that device 9 measures tape measure internal and external environment temperature to matched coefficients of thermal expansion.
As seen in figs. 5-6, after the incident laser 701 that ultra-fine laser 7 issues is irradiated to laser-marking frosted indentation 5, meeting
Diffusing reflection is caused, to form scattering light 702, the light of scattering light 702 is that do not have directive, and scattering light 702 can rise
To more accurately from the effect of optical sensor perception movement.If it is complete mirror surface, then without scattering light, at this moment, pattern displacement
Sensor 8 can only be perceived from the light of reflection together, and the light variation inside this road light will be seldom, and accuracy will be very
It is low.And when light is irradiated on frosting, it scatters, at this moment scattering light is connect to the light of all grating displacement sensors 8
Receipts scatter on face, and at this moment essentially all of light receiving surface can obtain light variation, at this moment will obtain more accurate light
Line variation.
The detection unit is connect by route with two temperature sensors 9, and one of temperature sensor 9 is fixed on volume
The inside of ruler shell 1, fixed 1 outer exterior wall of tape measure housing of another temperature sensor 9 and with detection unit corresponding position.
The detection unit includes coefficient of expansion memory 10, liquid crystal display 11 and calculator 12, the calculator 12
It is connected respectively by route with expansion system memory 10 with liquid crystal display 11, coefficient of expansion memory 10 and calculator 12 are set
It sets in tape measure housing 1, calculator 12 is connect by route with ultra-fine laser 7 and grating displacement sensor 8, liquid crystal display
11 are fixed on tape measure housing 1 and are located at the top of calculator 12.Coefficient of expansion memory 10 is by carrying out stainless-steel roll band 3
Earlier coefficient of expansion measurement, obtains the high-precision coefficient of expansion；Liquid crystal display 11 shows high-precision length data；It calculates
Device 12 by calculating shift length and thermal expansion coefficient automatically.
The calculator 12 is connect by route with rechargeable battery 13, and the charge port 14 of rechargeable battery 13 is installed in Flexible rule case
On body 1, the control switch 15 of rechargeable battery 13 is arranged on the side wall of tape measure housing 1.
Two pairs of calibration fixed idler whells 16 are provided in the tape measure housing 1, what one pair of them calibration fixed idler whell 6 rotated sets
It sets in 3 opening direction of stainless-steel roll band at tape measure housing 1, another pair calibration fixed idler whell 16 is installed in tape measure housing 1
Close to outlet end, one end that 6 connect is hooked with ruler on stainless-steel roll band 3 and sequentially passes through above-mentioned two pairs of calibration fixed idler whells 16 and by going out
Tape measure housing 1 is stretched out at mouth end.Two pairs of calibration fixed idler whells 16 are for calibration and fixed winding, to guarantee that laser projection is stablized.Together
When can be used using diameter difference idler wheel cooperate, not only can reduce loss of the pulling force to idler wheel, also make whole size will not
It is excessive.
Anti-collision ring 17 is provided on the outer wall of the tape measure housing 1, anti-collision ring 17 covers on another temperature sensor 9,
Anti-collision ring cover 17 is located at the top of charge port 14.The temperature sensor in use process is effectively prevented to collide the case where damaging
Occur.
It is provided with fixing card 18 on the side wall of the tape measure housing 1, for fixing component.
The detent block 19 of setting symmetrical above and below on the outside of the outlet of the tape measure housing 1, for accurately being blocked to measurement object
Position, to be convenient for measuring.One end of tape measure housing 1 is arranged in the detent block 19, and ruler hooks 6 and is stuck in the detent block 19 being located above
On.
It is provided with dust brush 20 between the detent block 19 and tape measure housing 1, stainless-steel roll band passes through during the work time
Dust brush can stop dust to enter in tape measure housing, and measurement is made to keep accurate for a long time, and the height of dust brush 20 is greater than detent
The height of block 19.
The utility model is multiplied with the length that laser is calculated with the coefficient of expansion, obtains accurate physical length.
Value 1 based on steady temperature (such as 20) when according to production.Then practical measurement length when in use should be tape measure
Internal and external temperature difference is multiplied by length multiplied by the coefficient of expansion.When tape measure is identical as extraneous temperature, then the length of laser measurement
For physical length.
When specifically used, under the environment temperature lower than 20 degree when engineer's point, which opens control 15, starts measurement, meter
It calculates device 12 and difference calculating first is carried out to internal and external temperature, imported into calculator 12 again after obtaining internal-external temperature difference.When engineer pulls out not
It becomes rusty after spring tape 3, stainless-steel roll band 3 is influenced to start to shrink by cooling.When pulling out measurement length, the calculating knot of calculator 12
For the automatic real-time display of fruit on liquid crystal display 11, the length obtained in this way is just very accurate.And as stainless-steel roll band 3 is in
Air ought constantly cool down.Whole winding is also constantly being shunk.When at this moment reusing, since internal and external temperature difference is zero, then
Actual measurement length is just subject to laser measurement.At this moment the scale as normal tape measure on stainless-steel roll band 3 is not just
It is mechanical actual measurement length.Its numerical value can be longer than physical length.
Similarly, it is used in workshop of the mean temperature higher than 20 degrees Celsius, and so.But the scale numerical value in winding
It will be shorter than physical length.And under same measurement accuracy.The utility model can be than using the cost of dedicated laser measurer
It is much lower.Be conducive to a large amount of uses of big machinery manufacturing shop.
It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for
Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model
Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as
Limitation to the utility model claims protection scope.
Claims (9)
1. a kind of high-precision tape measure characterized by comprising
Tape measure housing, the intracorporal middle part of Flexible rule case are provided with spool, stainless-steel roll band, stainless-steel roll band are wound on spool
Medial surface on be symmetrically arranged with scale, laser-marking frosted indentation, stainless-steel roll band are provided between symmetrically arranged scale
One end be fixed on spool, the other end of stainless-steel roll band be provided with ruler hook, ruler hook stretch out tape measure housing；
Ultra-fine laser, the ultra-fine laser are arranged in tape measure housing at ruler hook, and the side of ultra-fine laser is arranged
There is grating displacement sensor, grating displacement sensor is parallel with the stainless-steel roll band at ruler hook, ultra-fine laser and light
Displacement transducer is all connect with detection unit.
2. a kind of high-precision tape measure according to claim 1, which is characterized in that the detection unit passes through route and two
Temperature sensor connection, one of temperature sensor are fixed on the inside of tape measure housing, the fixed volume of another temperature sensor
On the outside of ruler housing exterior walls and with detection unit corresponding position.
3. a kind of high-precision tape measure according to claim 2, which is characterized in that the detection unit includes that the coefficient of expansion is deposited
Reservoir, liquid crystal display and calculator, the calculator and liquid crystal display pass through route and expansion system memory phase respectively
Even, coefficient of expansion memory and calculator are arranged in tape measure housing, and liquid crystal display is fixed on tape measure housing and is located at meter
Calculate the top of device.
4. a kind of high-precision tape measure according to claim 3, which is characterized in that the calculator passes through route and charging electricity
Pond connection, the charge port of rechargeable battery are installed on tape measure housing, and the side of tape measure housing is arranged in the control switch of rechargeable battery
On wall.
5. a kind of high-precision tape measure according to claim 1, which is characterized in that be provided in the tape measure housing two pairs compared with
Positive fixed idler whell, one pair of them calibration fixed idler whell rotation setting stainless-steel roll band opening direction at tape measure housing,
Another pair calibration fixed idler whell, which is installed in tape measure housing, links the one end connect with ruler successively on outlet end, stainless-steel roll band
Across above-mentioned two pairs of calibration fixed idler whells and tape measure housing is stretched out by outlet end.
6. a kind of high-precision tape measure according to claim 1, which is characterized in that be provided on the outer wall of the tape measure housing
Anti-collision ring, anti-collision ring cover on another temperature sensor, and anti-collision ring cover is located at the top of charge port.
7. a kind of high-precision tape measure according to claim 1, which is characterized in that be provided on the side wall of the tape measure housing
Fixing card.
8. a kind of high-precision tape measure according to claim 1, which is characterized in that on the outside of the outlet of the tape measure housing up and down
One end of tape measure housing is arranged in symmetrically arranged detent block, the detent block, and ruler hook is stuck on the detent block being located above.
9. a kind of high-precision tape measure according to claim 8, which is characterized in that set between the detent block and tape measure housing
It is equipped with dust brush, the height of dust brush is greater than the height of detent block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360592.6U CN209524835U (en) | 2019-03-20 | 2019-03-20 | High-precision tape measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360592.6U CN209524835U (en) | 2019-03-20 | 2019-03-20 | High-precision tape measure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524835U true CN209524835U (en) | 2019-10-22 |
Family
ID=68232548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920360592.6U Expired - Fee Related CN209524835U (en) | 2019-03-20 | 2019-03-20 | High-precision tape measure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209524835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102894A (en) * | 2019-12-31 | 2020-05-05 | 河南中鼎安装工程有限公司 | Multifunctional measuring tape |
| CN117848180A (en) * | 2024-03-07 | 2024-04-09 | 优诺（天津）服装有限公司 | Electronic tape measure device for clothing quality inspection |
-
2019
- 2019-03-20 CN CN201920360592.6U patent/CN209524835U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102894A (en) * | 2019-12-31 | 2020-05-05 | 河南中鼎安装工程有限公司 | Multifunctional measuring tape |
| CN111102894B (en) * | 2019-12-31 | 2022-02-01 | 中鼎建安集团有限公司 | Multifunctional measuring tape |
| CN117848180A (en) * | 2024-03-07 | 2024-04-09 | 优诺（天津）服装有限公司 | Electronic tape measure device for clothing quality inspection |
| CN117848180B (en) * | 2024-03-07 | 2024-05-28 | 优诺（天津）服装有限公司 | Electronic tape measure device for clothing quality inspection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20210320 |