CN208805150U - A kind of high precision grid type digital display measuring instrument - Google Patents
A kind of high precision grid type digital display measuring instrument Download PDFInfo
- Publication number
- CN208805150U CN208805150U CN201821317872.0U CN201821317872U CN208805150U CN 208805150 U CN208805150 U CN 208805150U CN 201821317872 U CN201821317872 U CN 201821317872U CN 208805150 U CN208805150 U CN 208805150U
- Authority
- CN
- China
- Prior art keywords
- grating sensor
- grid
- fixed
- sensor main
- high precision
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of high precision grid type digital display measuring instruments, including shell, shell is made of front cover and rear cover, the top of shell is fixedly connected by retainer plate with fixed column, the top of fixed column is equipped with rope, the surface of fixed column is fixedly connected by screw with grating sensor main grid, the side of grating sensor main grid is equipped with corresponding grating sensor pair grid, the bottom of grating sensor pair grid is equipped with elastic piece, the side of front cover is connected together by fixinig plate and lithium battery, the both ends of grating sensor main grid pass through two fixed links respectively and are connected together with U-shaped piece, the other side of front cover is equipped with switch.The utility model U-shaped piece is fixed two fixed links and is fixed with grating sensor main grid, cooperate grating sensor main grid closely with grating sensor pair grid, the connection area for increasing grating sensor main grid and grating sensor pair grid, makes to be more uniformly stressed, the data measured are more accurate.
Description
Technical field
The utility model relates to measuring appliance technical field, specially a kind of high precision grid type digital display measuring instrument.
Background technique
Currently, the measurement accuracy of common digital scale is generally within the scope of 0.01mm to 0.03mm.Its error producing cause
In terms of being concentrated mainly on two, first, capacitance-grid type linear displacement transducer precision is not high, and the sensor production of common scale is most
Use PCB circuit board or ceramics for substrate, route design and production technology on all have the defects that it is bigger so that make biography
Sensor or resolution ratio is not high or precision does not reach requirement.Such as described in the patent application No. is 97101342.X, substrate PCB
Wiring board, capacitance-grid type linear displacement transducer master, grating sensor pair grid grizzly bar groove are PCB circuit board technique, this technique
It not can guarantee capacitance-grid type linear displacement transducer master, grating sensor pair grid grizzly bar graduating accuracy, can not just scale be made to reach yet
In high precision, and PCB circuit board is influenced by environment temperature, humidity, and properties of product are unstable.Second, in structure design, commonly
For digital scale all using main, grating sensor pair grid clearance constant mode, the control of about 0.1mm-0.15mm, this gap are complete
It is required in the processing dimension of mechanism element, it is this not only to increase producing cost, but also the uniformity of product, reliability are obtained not
To guarantee, therefore we make improvement to this, propose a kind of high precision grid type digital display measuring instrument.
Utility model content
To solve current digital scale of the existing technology the uniformity of product, reliability cannot be guaranteed
Defect, the utility model provide a kind of high precision grid type digital display measuring instrument.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of high precision grid type digital display measuring instrument of the utility model, including shell, the shell are made of front cover and rear cover,
The top of the shell is fixedly connected by retainer plate with fixed column, and the top of the fixed column is equipped with rope, the fixation
The surface of column is fixedly connected by screw with grating sensor main grid, and the side of the grating sensor main grid is equipped with corresponding grid
Formula sensor pair grid, the bottoms of the grating sensor pair grid are equipped with elastic piece, and the side of the elastic piece by screw with
The fixed band connection in the side of front cover, the side of the front cover are connected together by fixinig plate and lithium battery, the grating sensor
The both ends of main grid pass through two fixed links respectively and are connected together with U-shaped piece, and the other side of the front cover is equipped with switch, the switch
Top be equipped with display controller, the bottom end of the fixed column is equipped with shaft, and the lithium battery and switch are electrically connected, described to open
It closes and is electrically connected respectively with grating sensor main grid and grating sensor pair grid, the grating sensor main grid and grating sensor
Secondary grid are electrically connected with display controller respectively.
Further, one end of two fixed links is fixedly connected with the surface of U-shaped piece, two fixed links
The other end is equipped with fixed block.
Further, the bottom of the shaft is arranged rubber sleeve, and the surface of the shaft is arranged with spring.
Further, the surface of the grating sensor pair grid is equipped with insulation film.
Further, the U-shaped piece is coated with Anti-static paint.
Compared with prior art, the utility model has the following beneficial effects: this kind of high precision grid type digital display measuring instrument, U
Shape piece is fixed two fixed links and is fixed with grating sensor main grid, keeps grating sensor main grid and grating sensor pair grid close
Cooperation increases the connection area of grating sensor main grid and grating sensor pair grid, makes the data for being more uniformly stressed, measuring
It is more accurate.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of high precision grid type digital display measuring instrument of the utility model；
Fig. 2 is a kind of explosive view of high precision grid type digital display measuring instrument of the utility model.
In figure: 1, shell；2, display controller；3, retainer plate；4, rope；5, it switchs；6, front cover；7, shaft；8, after
Lid；9, fixed column；10, spring；11, grating sensor main grid；12, grating sensor pair grid；13, U-shaped piece；14, fixed link；
15, elastic piece；16, fixinig plate；17, lithium battery.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs. 1-2, a kind of high precision grid type digital display measuring instrument, including shell 1, shell 1 is by front cover 6 and 8 groups of rear cover
At, the top of shell 1 is fixedly connected by retainer plate 3 with fixed column 9, and fixed column 9 is fixed on shell 1 by retainer plate 3, Gu
The top of fixed column 9 is equipped with rope 4, user by the fixed digital scale of rope 4, the surface of fixed column 9 by screw with
Grating sensor main grid 11 is fixedly connected, and the side of grating sensor main grid 11 is equipped with corresponding grating sensor pair grid 12, grid
Formula sensor main grid 11 and grating sensor pair grid 12, which cooperate, realizes the function of grating displacement sensor, grating sensor pair
The bottom of grid 12 is equipped with elastic piece 15, the fixed grating sensor pair grid 12 of elastic piece 15, and the side of elastic piece 15 passes through screw
With the fixed band connection in side of front cover 6, the side of front cover 6 is connected together by fixinig plate 16 with lithium battery 17, grating sensor
The both ends of main grid 11 pass through two fixed links 14 respectively and are connected together with U-shaped piece 13, the fixed grating sensor main grid 11 of U-shaped piece 13
With the position of grating sensor pair grid 12, cooperate it closely, the other side of front cover 6 is equipped with switch 5, and the top of switch 5 is set
Have a display controller 2, the bottom end of fixed column 9 is equipped with shaft 7, lithium battery 17 and the electric connection of switch 5, switch 5 respectively with grating
Sensor main grid 11 and grating sensor pair grid 12 are electrically connected, and grating sensor main grid 11 and grating sensor pair grid 12 are distinguished
It is electrically connected with display controller 2, lithium battery 17 is powered, and switch 5 controls grating working sensor, and grating sensor ties measurement
Fruit is transferred to display controller 2, shows after being converted by display controller 2, and it is convenient to read.
Wherein, one end of two fixed links 14 is fixedly connected with the surface of U-shaped piece 13, the other end of two fixed links 14
It is equipped with fixed block, U-shaped piece 13 is fixed by two fixed links 14 and grating sensor main grid 11.
Wherein, the bottom of shaft 7 is arranged rubber sleeve, and the surface of shaft 7 is arranged with spring 10, and rubber sleeve prevents electrostatic from letting out
Leakage, it is more than to limit numerical value that spring 10, which prevents 7 stress of shaft, and digital scale is caused to be damaged.
Wherein, the surface of grating sensor pair grid 12 is equipped with insulation film, prevents current flowing from leading to detection data not
It can not accurately generate.
Wherein, U-shaped piece 13 is coated with Anti-static paint, prevents electric current from leaking, and causes reading inaccurate.
It should be noted that the utility model is a kind of high precision grid type digital display measuring instrument, and when specific works, U-shaped piece 13
It is fixed by two fixed links 14 and grating sensor main grid 11, make grating sensor main grid 11 and grating sensor pair grid 12
Position cooperates it closely, and the surface of grating sensor pair grid 12 is equipped with insulation film, prevents current flowing from causing to detect
Data inaccuracy can not generate, and U-shaped piece 13 is coated with Anti-static paint, prevents electric current from leaking, and cause reading inaccurate, grating sensor master
Grid 11 and the connection area of grating sensor pair grid 12 are big, are more uniformly stressed, keep the data measured more accurate, switch 5
Grating working sensor is controlled, measurement result is transferred to display controller 2 by grating sensor, after being converted by display controller 2
It shows, it is convenient to read, and turns on the switch 19, and user connects object under test by the fixed digital scale of rope 4, shaft 7,
Shaft 7 under force, generates deformation, and grating sensor detects the effect of power, and grating sensor transmits measurement result
It to display controller 2, is shown after being converted by display controller 2, it is convenient to read.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of high precision grid type digital display measuring instrument, including shell (1), which is characterized in that the shell (1) by front cover (6) and
The top of rear cover (8) composition, the shell (1) is fixedly connected by retainer plate (3) with fixed column (9), the fixed column (9)
Top is equipped with rope (4), and the surface of the fixed column (9) is fixedly connected by screw with grating sensor main grid (11), institute
The side for stating grating sensor main grid (11) is equipped with corresponding grating sensor pair grid (12), the grating sensor pair grid (12)
Bottom be equipped with elastic piece (15), and the side of the elastic piece (15) is by the fixed band connection in side of screw and front cover (6),
The side of the front cover (6) is connected together by fixinig plate (16) with lithium battery (17), the grating sensor main grid (11)
Both ends pass through two fixed links (14) respectively and are connected together with U-shaped piece (13), and the other side of the front cover (6) is equipped with switch (5),
The top of the switch (5) is equipped with display controller (2), and the bottom end of the fixed column (9) is equipped with shaft (7), the lithium battery
(17) with switch (5) be electrically connected, the switch (5) respectively with grating sensor main grid (11) and grating sensor pair grid (12)
It is electrically connected, the grating sensor main grid (11) and grating sensor pair grid (12) electrically connect with display controller (2) respectively
It connects.
2. a kind of high precision grid type digital display measuring instrument according to claim 1, which is characterized in that two fixed links
(14) one end is fixedly connected with the surface of U-shaped piece (13), and the other end of two fixed links (14) is equipped with fixed block.
3. a kind of high precision grid type digital display measuring instrument according to claim 1, which is characterized in that the bottom of the shaft (7)
Portion is arranged rubber sleeve, and the surface of the shaft (7) is arranged with spring (10).
4. a kind of high precision grid type digital display measuring instrument according to claim 1, which is characterized in that the grating sensor pair
The surface of grid (12) is equipped with insulation film.
5. a kind of high precision grid type digital display measuring instrument according to claim 1, which is characterized in that the U-shaped piece (13) applies
There is Anti-static paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317872.0U CN208805150U (en) | 2018-08-16 | 2018-08-16 | A kind of high precision grid type digital display measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317872.0U CN208805150U (en) | 2018-08-16 | 2018-08-16 | A kind of high precision grid type digital display measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805150U true CN208805150U (en) | 2019-04-30 |
Family
ID=66235212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821317872.0U Expired - Fee Related CN208805150U (en) | 2018-08-16 | 2018-08-16 | A kind of high precision grid type digital display measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805150U (en) |
-
2018
- 2018-08-16 CN CN201821317872.0U patent/CN208805150U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE427483T1 (en) | DENSITOMETER | |
| CN205537488U (en) | Eddy current displacement sensor | |
| CN106768523A (en) | A kind of press tonnage measuring method and its device | |
| CN109470133B (en) | Electrostatic self energizing strains grid sensor | |
| TW200739091A (en) | System, circuit and method for measuring resistance of wheatstone bridge, and computer program | |
| WO1983003467A1 (en) | Bi-directional touch sensor | |
| CN208805150U (en) | A kind of high precision grid type digital display measuring instrument | |
| CN109357607A (en) | A kind of full-automatic calibrating device for vibrating string type strain transducer | |
| CN102323174B (en) | Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks | |
| CN201034545Y (en) | Step depth measurement tools | |
| CN205300830U (en) | Air heat engine torgue measurement display device | |
| JPS6332315A (en) | Digital display type measuring instrument | |
| CN208297277U (en) | A kind of portable hardometer | |
| ES414246A1 (en) | Linear dimension measuring apparatus | |
| CN214174061U (en) | Quartz wave plate flaw detection device | |
| CN205209907U (en) | Rockwell hardness meter indentation degree of depth calibrating installation | |
| CN201421337Y (en) | Digital pointer instrument | |
| CN2869766Y (en) | Cladding-material thickness measure instrument calibrating device | |
| CN207035973U (en) | A kind of dial snap gauge | |
| CN206724823U (en) | A kind of slide measure | |
| CN203350364U (en) | Universal meter type measuring instrument for detecting amorphous silicon thin film cell panel sheet resistance | |
| CN206787742U (en) | For measuring the new strain piece of steel bridge deck focus stress | |
| CN214039832U (en) | Bearing inner diameter measuring tool | |
| CN109668617A (en) | A kind of method of efficient balance calibrating | |
| CN203605904U (en) | Tester for measuring flatness of plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 Termination date: 20190816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |