CN108458649A - A kind of digit display dial gauge - Google Patents
A kind of digit display dial gauge Download PDFInfo
- Publication number
- CN108458649A CN108458649A CN201810226734.XA CN201810226734A CN108458649A CN 108458649 A CN108458649 A CN 108458649A CN 201810226734 A CN201810226734 A CN 201810226734A CN 108458649 A CN108458649 A CN 108458649A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- fixed grid
- chip
- slide rail
- digit display
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of digit display dial gauges,Including shell,Fixed grid transmission mechanism and moving grid shell mechanism,The fixed grid transmission mechanism includes the line slide rail for being provided with fixed grid,It is provided with the gauge rod of measurement head,Tension spring,The line slide rail includes mutually matched slide rail base,The sliding block of strip and therebetween ball retainer,The ball retainer both sides are each provided with multiple balls,The inner cavity of shell is provided with fixed grid mounting base,Slide rail base is fixedly mounted on fixed grid mounting base,Gauge rod passes through the circular through hole and parallel with sliding block being arranged among sliding block,Fixed grid is arranged in the upper surface of sliding block,One end of tension spring is connected with the upper end of gauge rod,The other end of tension spring is connected with slide rail base,The top of gauge rod is provided with locating piece,The upper lower through-hole of shell is provided with positioning sleeve up and down,Gauge rod and sliding block can slide in upper and lower positioning sleeve together.The digit display dial gauge of the present invention has great measurement accuracy.
Description
Technical field
The present invention relates to a kind of digit display dial gauges, belong to machinery instrument fields of measurement.
Background technology
Digit display dial gauge is a kind of mechanical measurement instrument, and current digit display dial gauge includes shell, display chip, measurement
Plate, prototype part seat, prototype part, fixed grid plate, fixed grid base, moving grid plate, dynamic grid base, case, measuring rod, dynamometer spring, measurement head etc.,
Display chip is mounted on shell with prototype part seat, uses winding displacement connection dynamic grid base (moving grid is mounted on dynamic grid base)；Pass through fixed grid
It is assemblied on gauge rod after fixed grid base, and gauge rod installation is in the housing, reaches fixed grid fitting parallel with moving grid surface.It measures
When, so that moving grid is generated displacement with fixed grid by pushing measuring rod, voltage signal is generated by displacement, is produced by MCU data processings
Raw digital signal generates number display on display chip.Current digit display dial gauge has the disadvantage that：1, traditional fixed grid passes
Motivation structure is generally made of a fixed grid base, fixed grid, gauge rod, a dynamometer spring and other parts, fixed grid base when gauge rod moves
Mechanical clearance cooperation between the fixed grid and moving grid of connection is difficult to control, and measurement data is unstable, and measurement accuracy is not high.
Invention content
The technical problem to be solved in the present invention is to provide a kind of digit display dial gauges, can greatly improve measurement accuracy.
In order to solve the above technical problems, a kind of digit display dial gauge of the present invention, including shell, fixed grid transmission mechanism and moving grid
Shell mechanism, the fixed grid transmission mechanism includes the line slide rail for being provided with fixed grid, the gauge rod, the pulling force bullet that are provided with measurement head
Spring, the line slide rail include mutually matched slide rail base, the sliding block of strip and therebetween ball retainer, described
Ball retainer both sides are each provided with multiple balls, and the inner cavity of shell is provided with fixed grid mounting base, and slide rail base is fixedly mounted
On fixed grid mounting base, gauge rod passes through the circular through hole and parallel with sliding block being arranged among sliding block, and fixed grid is arranged in sliding block
Upper surface, one end of tension spring are connected with the upper end of gauge rod, and the other end of tension spring is connected with slide rail base, gauge rod
Top be provided with locating piece, the upper lower through-hole of shell is provided with positioning sleeve up and down, and gauge rod and sliding block together can be fixed up and down
It is slided in the set of position.
As an improvement of the present invention, the moving grid shell mechanism includes moving grid measuring mechanism and case, and the moving grid measures
Mechanism includes the measurement chip and functional chip for being provided with moving grid connected by winding displacement, and the measurement chip passes through elastic construction
Mounted on measuring on chip carrier, measures chip carrier and be fixedly connected with fixed grid mounting base by positioning column, fixed grid and measurement chip
Moving grid is parallel and direct Elastic Contact, be provided with MCU, display chip, battery, button, functional chip on the functional chip
It is fixedly connected with case.
As an improvement of the present invention, it is each provided on a receiving ball retainer and rolls on the inside of two walls of the slide rail base
Two side bottoms of the rolling groove of pearl, the sliding block are each provided with a rolling groove for accommodating ball on ball retainer.
As an improvement of the present invention, the ball retainer both sides are each provided with 6 balls.
As an improvement of the present invention, the elastic construction is mounted on the two panels sprung copper measured at left and right sides of chip back
The middle part of piece, the elastic copper sheet arch upward outward and the middle part of elastic copper sheet with measure chip carrier mutually weld, elastic copper sheet it is upper
End is mutually welded with chip back is measured, and the lower end of elastic copper sheet is in contact with chip back is measured.
As an improvement of the present invention, the upper end of the two panels elastic copper sheet is connected with connection sheet, the lower end of elastic copper sheet
Be provided with contact parallel with chip back is measured lifts section.
As an improvement of the present invention, the measurement length range of the digit display dial gauge is 0-100mm.
As an improvement of the present invention, the sliding block is aluminum sliding block, and dust cap is provided at the top of the upper positioning sleeve.
The beneficial effects of the invention are as follows：
1, digit display dial gauge fixed grid transmission mechanism of the invention, original fixed grid base on gauge rod, be designed as by
The line slide rail of mutually matched slide rail base, the sliding block of strip and therebetween ball retainer composition, can be significantly
Offset deviation is reduced, the plane that the frame mode of this fixed grid base can solve after fixed grid installation requires and can arbitrarily use different length
Short fixed grid greatly improves measurement accuracy, and reduces installation cost.And existing digit display dial gauge fixed grid transmission mechanism,
It includes dust cap, upper positioning sleeve, shell, fixed grid base, dynamometer spring, gauge rod, measurement head that it, which is formed, and fixed grid base is mounted on gauge rod
On, then by dynamometer spring connection gauge rod and shell, reach displacement and spring back effect；Fixed grid base is mounted on gauge rod, fixed grid
The flatness of seat cannot be guaranteed to overlap and influence measurement accuracy.
2, digit display dial gauge fixed grid transmission mechanism of the invention, can reduce processing cost, be easily installed and bug check,
Product design structure is reduced, the wide range data of 0-100mm can be measured.And existing digit display dial gauge is because of the size of fixed grid base
It determines the size of fixed grid item therefore wide range data cannot be measured, the range of 0-25.4mm can only be measured.
3, the moving grid of digit display dial gauge of the invention is divided into original moving grid plate and is measured chip and work(using seperated mode
Energy chip (being connected by winding displacement), independent measurement chip, which is mounted on, to be measured on chip carrier, and chip and measurement chip are measured
Seat is connected by elastic construction (elastic copper sheet), is had spring function scalable, is made its original moving grid and fixed grid rigid contact
Become Elastic Contact, to improve precision.Existing digit display dial gauge is by fixed grid on fixed grid transmission mechanism and moving grid shell mechanism
On the direct rigid contact of moving grid, so that its displacement is obtained measurement data, this mode there are moving grid and fixed grid installation after have machinery
Deviation is to reduce measurement accuracy.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of table body structure schematic diagram of digit display dial gauge of the present invention.
Fig. 2 is a kind of fixed grid transmission mechanism schematic diagram of digit display dial gauge of the present invention.
Fig. 3 is a kind of line slide rail decomposition diagram of digit display dial gauge of the present invention.
Fig. 4 is a kind of line slide rail assembling schematic diagram of digit display dial gauge of the present invention.
Fig. 5 is a kind of measurement chip schematic diagram of digit display dial gauge of the present invention.
Fig. 6 is a kind of moving grid shell mechanism schematic diagram of digit display dial gauge of the present invention.
Specific implementation mode
As shown in Figures 1 to 6, a kind of digit display dial gauge, including shell 1, fixed grid transmission mechanism and moving grid shell mechanism, institute
State fixed grid transmission mechanism include the line slide rail 3 for being provided with fixed grid 2, the gauge rod 5, the tension spring 6 that are provided with measurement head 4, it is described
Line slide rail 3 includes mutually matched slide rail base 7, the sliding block 8 of strip and therebetween ball retainer 9, the rolling
9 both sides of pearl retainer are each provided with multiple balls 10, and the inner cavity of shell 1 is provided with fixed grid mounting base 11, and slide rail base 7 is fixed
On fixed grid mounting base 11, gauge rod 5 passes through the circular through hole 12 being arranged among sliding block 8 and, gauge rod 5 parallel with sliding block 8
Length be more than the length of sliding block 8 and expose at the both ends of sliding block 8, gauge rod 5 and sliding block 8 are fixed with screw 13, and the setting of fixed grid 2 exists
One end of the upper surface of sliding block 8, tension spring 6 is connected with the upper end of gauge rod 5, the other end and the slide rail base 7 of tension spring 6
It is connected, the top of gauge rod 5 is provided with locating piece 14, and the upper lower through-hole of shell 1 is provided with positioning sleeve 15,16 up and down, gauge rod 5
It can be slided in upper and lower positioning sleeve 15,16 together with sliding block 8.1 back side of shell is provided with rear cover 17.
As an improvement of the present invention, the moving grid shell mechanism includes moving grid measuring mechanism and case 18, and the moving grid is surveyed
Measuring mechanism includes the measurement chip 20 for being provided with moving grid connected by winding displacement 19 and functional chip 21, and moving grid setting is measuring core
Piece 20 in 2 matched one side of fixed grid, the measurement chip 20 by elastic construction be mounted on measure chip carrier 22 on, survey
Amount chip carrier 22 be fixedly connected with fixed grid mounting base 11 by positioning column 23, fixed grid 2 with measurement the moving grid of chip 20 it is parallel and
Direct Elastic Contact is provided with MCU (shown chip is blocked and is not shown), display chip 24, electricity on the functional chip 21
Pond 25, button 26, data lid 27, are provided with conducting resinl 28 between functional chip 21 and display chip 24, functional chip 21 with
Case 18 is fixedly connected.Sheet glass 29 is provided in the opening of case 18.
As an improvement of the present invention, one is each provided on the inside of two walls of the slide rail base 7 to accommodate on ball retainer 9
Two side bottoms of the rolling groove 30 of ball 10, the sliding block 8 are each provided with a rolling for accommodating ball 10 on ball retainer 9
Dynamic groove 31.
As an improvement of the present invention, 9 both sides of the ball retainer are each provided with 6 balls 10.
As an improvement of the present invention, the elastic construction is mounted on the two panels elasticity measured at left and right sides of 20 back side of chip
The middle part of copper sheet 32, the elastic copper sheet 32 is arched upward outward and the middle part of elastic copper sheet 32 is welded with 22 phase of chip carrier is measured, bullet
Property copper sheet 32 upper end with measure chip 20 back side and mutually weld, the lower end of elastic copper sheet 32 is touched with 20 back face of chip is measured.
As an improvement of the present invention, the upper end connection sheet 34 of the two panels elastic copper sheet 32 is connected, elastic copper sheet 32
Lower end be provided with and lift section 35 with measure the parallel contact in 20 back side of chip.
As an improvement of the present invention, the measurement length range of the digit display dial gauge is 0-100mm.
As an improvement of the present invention, the sliding block 8 is aluminum sliding block, and 15 top of the upper positioning sleeve is provided with dust cap
33。
A kind of installation steps of above-mentioned digit display dial gauge are as follows：
1, table body structure is installed.Positioning column is mounted on fixed grid mounting base by screw, then fixed grid mounting base
It is mounted on shell by screw, the internal slide rail base equipped with ball retainer is screwed in fixed grid mounting base
On.Measurement head is screwed into gauge rod, gauge rod is inserted into the circular through hole of strip sliding block, gauge rod, upper gauge rod dress are screwed
In the upper end of the draw runner of strip, then upper locating piece is twisted the through-hole for being mounted on gauge rod by screw, sliding block being passed through into shell
It is inserted into the ball retainer of slide rail base.Upper locating piece is screwed into the upper end of gauge rod, upper positioning sleeve, lower positioning sleeve were passed through
Cooperation of being full of is pressed into shell, and next one end of tension spring is connected with the upper end of gauge rod, the other end and cunning of tension spring
The upper end of flange of rail seat is connected, and the rebound of sliding block is realized by tension spring.Fixed grid is adhered to strip sliding block by glue
Upper surface, dust cap are screwed into positioning sleeve.
2, moving grid casing structure is installed.The arch spring leaf for measuring chip behind (is made by elastic copper sheet, has elasticity
Function is scalable) it is welded on measurement chip carrier, then measurement chip carrier is mounted on by screw on positioning column, pass through and measures core
The elastic telescopic function of piece makes fixed grid realize that perfect face is contacted with face with moving grid, reaches capacitive grating principle by the displacement of gauge rod
(capacitive grating principle：Voltage signal is generated by displacement, generate digital signal by MCU data processings generates number on display chip
Word is shown) voltage signal that displacement generates is transferred to by winding displacement the MCU on functional chip.Sheet glass is passed through into two-sided gluing
It is attached on case, button is put into case key hole position；Display chip is placed on casing interior, and functional chip is pacified by screw
On case, functional chip realizes data transmission with display chip by conducting resinl；Next battery is put into battery tray,
Battery tray is inserted into case；Data lid is inserted into case, and case is placed on shell, rear cover is placed on back side of shell, leads to
It crosses screw and is connected and fixed rear cover, shell and case, realize the sealing of shell.
It should be noted that specific implementation mode is only the explanation and illustration to technical solution of the present invention, it should not be by it
It is interpreted as the restriction to technical solution of the present invention, it is any only to make locally to change using the substantive invention content of the present invention, it should
It falls within the scope of protection of the present invention.
Claims (8)
1. a kind of digit display dial gauge, including shell, fixed grid transmission mechanism and moving grid shell mechanism, it is characterised in that：The fixed grid
Gauge rod, the tension spring that transmission mechanism includes the line slide rail for being provided with fixed grid, is provided with measurement head, the line slide rail include
Mutually matched slide rail base, the sliding block of strip and therebetween ball retainer, the ball retainer both sides are respectively set
Multiple balls are equipped with, the inner cavity of shell is provided with fixed grid mounting base, and slide rail base is fixedly mounted on fixed grid mounting base, amount
Bar passes through the circular through hole and parallel with sliding block being arranged among sliding block, and fixed grid is arranged in the upper surface of sliding block, and the one of tension spring
End is connected with the upper end of gauge rod, and the other end of tension spring is connected with slide rail base, and the top of gauge rod is provided with positioning
The upper lower through-hole of block, shell is provided with positioning sleeve up and down, and gauge rod and sliding block can slide in upper and lower positioning sleeve together.
2. a kind of digit display dial gauge according to claim 1, it is characterised in that：The moving grid shell mechanism includes that moving grid is surveyed
Measuring mechanism and case, the moving grid measuring mechanism include the measurement chip for being provided with moving grid connected by winding displacement and function core
Piece, the measurement chip are mounted on by elastic construction and are measured on chip carrier, are measured chip carrier and are installed by positioning column and fixed grid
Bottom plate is fixedly connected, and fixed grid is parallel with the moving grid of chip is measured and direct Elastic Contact, be provided on the functional chip MCU,
Display chip, battery, button, functional chip are fixedly connected with case.
3. a kind of digit display dial gauge according to claim 1, it is characterised in that：It is respectively set on the inside of two walls of the slide rail base
It is equipped with a rolling groove for accommodating ball on ball retainer, two side bottoms of the sliding block are each provided with a receiving ball
The rolling groove of ball on retainer.
4. a kind of digit display dial gauge according to claim 3, it is characterised in that：The ball retainer both sides are each provided with
6 balls.
5. a kind of digit display dial gauge according to claim 2, it is characterised in that：The elastic construction is mounted on measurement core
The middle part of two panels elastic copper sheet at left and right sides of the piece back side, the elastic copper sheet is arched upward outward and the middle part of elastic copper sheet and measurement
Chip carrier mutually welds, and the upper end of elastic copper sheet is mutually welded with chip back is measured, lower end and the measurement chip back of elastic copper sheet
It is in contact.
6. a kind of digit display dial gauge according to claim 5, it is characterised in that：The upper end of the two panels elastic copper sheet connects
Contact pin is connected, and what the lower end of elastic copper sheet was provided with contact parallel with chip back is measured lifts section.
7. a kind of digit display dial gauge according to claim 1, it is characterised in that：The measurement length model of the digit display dial gauge
It encloses for 0-100mm.
8. a kind of digit display dial gauge according to claim 1, it is characterised in that：The sliding block be aluminum sliding block, it is described on
It is provided with dust cap at the top of positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226734.XA CN108458649A (en) | 2018-03-19 | 2018-03-19 | A kind of digit display dial gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226734.XA CN108458649A (en) | 2018-03-19 | 2018-03-19 | A kind of digit display dial gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458649A true CN108458649A (en) | 2018-08-28 |
Family
ID=63237081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226734.XA Pending CN108458649A (en) | 2018-03-19 | 2018-03-19 | A kind of digit display dial gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108458649A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141312A (en) * | 2018-11-13 | 2019-01-04 | 桂林量具刃具有限责任公司 | A kind of digit display dial gauge rolling guiding with moving grid |
| CN109612382A (en) * | 2019-02-01 | 2019-04-12 | 哈尔滨恒达交通设备技术开发有限公司 | A kind of train brake pad thickness measurement equipment |
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|---|---|---|---|---|
| US5716045A (en) * | 1995-07-27 | 1998-02-10 | Taylor Design Group, Inc. | Universal precision positioning jig with micro positioning capability |
| WO2001042734A1 (en) * | 1999-12-12 | 2001-06-14 | Qiliang Chen | Capacitive digital display type measuring instrument |
| CN2748864Y (en) * | 2004-07-31 | 2005-12-28 | 桂林量具刃具厂 | A digital display dial gauge and digital display dial indicator |
| CN202452993U (en) * | 2011-12-31 | 2012-09-26 | 李国熙 | Electronic digital-display indicating gauge |
| CN107621210A (en) * | 2017-09-28 | 2018-01-23 | 德清量丰电子科技有限公司 | Digit display dial gauge |
| CN206989844U (en) * | 2016-09-30 | 2018-02-09 | 丁海生 | High-precision slide rail amesdial |
| CN107747962A (en) * | 2017-09-28 | 2018-03-02 | 德清量丰电子科技有限公司 | Touch digit display dial gauge |
| CN207936905U (en) * | 2018-03-19 | 2018-10-02 | 德清量丰电子科技有限公司 | A kind of digit display dial gauge |
-
2018
- 2018-03-19 CN CN201810226734.XA patent/CN108458649A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716045A (en) * | 1995-07-27 | 1998-02-10 | Taylor Design Group, Inc. | Universal precision positioning jig with micro positioning capability |
| WO2001042734A1 (en) * | 1999-12-12 | 2001-06-14 | Qiliang Chen | Capacitive digital display type measuring instrument |
| CN2748864Y (en) * | 2004-07-31 | 2005-12-28 | 桂林量具刃具厂 | A digital display dial gauge and digital display dial indicator |
| CN202452993U (en) * | 2011-12-31 | 2012-09-26 | 李国熙 | Electronic digital-display indicating gauge |
| CN206989844U (en) * | 2016-09-30 | 2018-02-09 | 丁海生 | High-precision slide rail amesdial |
| CN107621210A (en) * | 2017-09-28 | 2018-01-23 | 德清量丰电子科技有限公司 | Digit display dial gauge |
| CN107747962A (en) * | 2017-09-28 | 2018-03-02 | 德清量丰电子科技有限公司 | Touch digit display dial gauge |
| CN207936905U (en) * | 2018-03-19 | 2018-10-02 | 德清量丰电子科技有限公司 | A kind of digit display dial gauge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141312A (en) * | 2018-11-13 | 2019-01-04 | 桂林量具刃具有限责任公司 | A kind of digit display dial gauge rolling guiding with moving grid |
| CN109612382A (en) * | 2019-02-01 | 2019-04-12 | 哈尔滨恒达交通设备技术开发有限公司 | A kind of train brake pad thickness measurement equipment |
| CN109612382B (en) * | 2019-02-01 | 2024-05-10 | 哈尔滨恒达交通设备技术开发有限公司 | Train brake lining thickness measuring instrument |
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Address after: 313200 No. 137 North Road, Fuxi street, Deqing County, Huzhou, Zhejiang. Applicant after: Deqing Quanfeng Electronic Technology Co.,Ltd. Address before: 313200 No. 137 North Ring Road, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Applicant before: DEQING LUFEN ELECTRONIC & TECHNOLOGY CO.,LTD. |