CN207936905U - A kind of digit display dial gauge - Google Patents
A kind of digit display dial gauge Download PDFInfo
- Publication number
- CN207936905U CN207936905U CN201820371790.8U CN201820371790U CN207936905U CN 207936905 U CN207936905 U CN 207936905U CN 201820371790 U CN201820371790 U CN 201820371790U CN 207936905 U CN207936905 U CN 207936905U
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- CN
- China
- Prior art keywords
- sliding block
- fixed grid
- chip
- slide rail
- digit display
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model 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 utility model has great measurement accuracy.
Description
Technical field
The utility model is related 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.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of digit display dial gauges, can greatly improve measurement essence
Degree.
In order to solve the above technical problems, a kind of digit display dial gauge of the utility model, 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 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, institute
It states ball retainer both sides and is each provided with multiple balls, the inner cavity of shell is provided with fixed grid mounting base, and slide rail base fixes peace
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 to be arranged in sliding block
Upper surface, one end of tension spring is connected with the upper end of gauge rod, and the other end of tension spring is connected with slide rail base, amount
The top of bar is provided with locating piece, and the upper lower through-hole of shell is provided with positioning sleeve up and down, and gauge rod and sliding block together can be upper and lower
It is slided in positioning sleeve.
As the improvement of the utility model, the moving grid shell mechanism includes moving grid measuring mechanism and case, the moving grid
Measuring mechanism includes the measurement chip and functional chip for being provided with moving grid connected by winding displacement, and the measurement chip passes through elasticity
Structure, which is mounted on, to be measured on chip carrier, is measured chip carrier and is fixedly connected with fixed grid mounting base by positioning column, fixed grid and measurement
The moving grid of chip is parallel and direct Elastic Contact, and MCU, display chip, battery, button, function are provided on the functional chip
Chip is fixedly connected with case.
As the improvement of the utility model, a receiving ball retainer is each provided on the inside of two walls of the slide rail base
The rolling groove of upper ball, it is recessed that two side bottoms of the sliding block are each provided with the rolling that one accommodates ball on ball retainer
Slot.
As the improvement of the utility model, the ball retainer both sides are each provided with 6 balls.
As the improvement of the utility model, the elastic construction is mounted on the two panels bullet measured at left and right sides of chip back
Property copper sheet, the middle part of the elastic copper sheet arch upward outward and the middle part of elastic copper sheet with measure chip carrier mutually weld, elastic copper sheet
Upper end mutually welded with chip back is measured, the lower end of elastic copper sheet is in contact with measurement chip back.
As the improvement of the utility model, the upper end of the two panels elastic copper sheet is connected with connection sheet, elastic copper sheet
Lower end is provided with lifts section with measure the parallel contact of chip back.
As the improvement of the utility model, the measurement length range of the digit display dial gauge is 0-100mm.
As the improvement of the utility model, the sliding block is aluminum sliding block, and dust cap is provided at the top of the upper positioning sleeve.
The utility model has the beneficial effects that：
1, the digit display dial gauge fixed grid transmission mechanism of the utility model, original fixed grid base on gauge rod, design
It, can be with for the line slide rail being made of the sliding block of mutually matched slide rail base, strip and therebetween ball retainer
It is substantially reduced offset deviation, the frame mode of this fixed grid base can solve the plane after fixed grid installation and require and can arbitrarily use not
With the fixed grid of length, measurement accuracy is greatly improved, and reduce installation cost.And existing digit display dial gauge fixed grid driver
Structure, composition includes dust cap, upper positioning sleeve, shell, fixed grid base, dynamometer spring, gauge rod, measurement head, and fixed grid base is mounted on
On gauge rod, then by dynamometer spring connection gauge rod and shell, reaches displacement and spring back effect；Fixed grid base is mounted on gauge rod,
The flatness of fixed grid base cannot be guaranteed to overlap and influence measurement accuracy.
2, the digit display dial gauge fixed grid transmission mechanism of the utility model, can reduce processing cost, be easily installed and debug
It examines, reduces product design structure, the wide range data of 0-100mm can be measured.And existing digit display dial gauge is because of fixed grid base
Size determine the size of fixed grid item therefore wide range data cannot be measured, the range of 0-25.4mm can only be measured.
3, original moving grid plate is divided into measurement chip by the moving grid of the digit display dial gauge of the utility model using seperated mode
It (is connect by winding displacement) with functional chip, independent measurement chip, which is mounted on, to be measured on chip carrier, is measured chip and is measured
Chip carrier is connected by elastic construction (elastic copper sheet), has spring function scalable, makes its original moving grid and fixed grid rigidity
Contact becomes Elastic Contact, to improve precision.Existing digit display dial gauge is by fixed grid on fixed grid transmission mechanism and moving grid case
The direct rigid contact of moving grid in mechanism, makes its displacement obtain measurement data, this mode has after being installed with fixed grid there are moving grid
Mechanical deflection is to reduce measurement accuracy.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is a kind of table body structure schematic diagram of digit display dial gauge of the utility model.
Fig. 2 is a kind of fixed grid transmission mechanism schematic diagram of digit display dial gauge of the utility model.
Fig. 3 is a kind of line slide rail decomposition diagram of digit display dial gauge of the utility model.
Fig. 4 is a kind of line slide rail assembling schematic diagram of digit display dial gauge of the utility model.
Fig. 5 is a kind of measurement chip schematic diagram of digit display dial gauge of the utility model.
Fig. 6 is a kind of moving grid shell mechanism schematic diagram of digit display dial gauge of the utility model.
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 the improvement of the utility model, the moving grid shell mechanism includes moving grid measuring mechanism and case 18, described dynamic
Grid 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 being surveyed
Measure chip 20 in 2 matched one side of fixed grid, the measurements chip 20 by elastic construction be mounted on measurement chip carrier 22
On, it measures chip carrier 22 and is fixedly connected with fixed grid mounting base 11 by positioning column 23, fixed grid 2 and the moving grid for measuring chip 20 are flat
Capable and direct Elastic Contact is provided with MCU (shown chip is blocked and is not shown), display chip on the functional chip 21
24, battery 25, button 26, data lid 27, are provided with conducting resinl 28, functional chip between functional chip 21 and display chip 24
21 are fixedly connected with case 18.Sheet glass 29 is provided in the opening of case 18.
As the improvement of the utility model, it is each provided with one on the inside of two walls of the slide rail base 7 and accommodates ball holding
The rolling groove 30 of ball 10 on frame 9, two side bottoms of the sliding block 8 are each provided with one and accommodate ball on ball retainer 9
10 rolling groove 31.
As the improvement of the utility model, 9 both sides of the ball retainer are each provided with 6 balls 10.
As the improvement of the utility model, the elastic construction is mounted on the two panels measured at left and right sides of 20 back side of chip
The middle part of elastic 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
It connects, the upper end of elastic copper sheet 32 is mutually welded with 20 back side of chip is measured, lower end and measurement 20 back side phase of chip of elastic copper sheet 32
Contact.
As the improvement of the utility model, the upper end connection sheet 34 of the two panels elastic copper sheet 32 is connected, sprung copper
The lower end of piece 32 is provided with lifts section 35 with measure the parallel contact in 20 back side of chip.
As the improvement of the utility model, the measurement length range of the digit display dial gauge is 0-100mm.
As the improvement of the utility model, the sliding block 8 is aluminum sliding block, and 15 top of the upper positioning sleeve is provided with dust-proof
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 solutions of the utility model, do not answer
It is understood as the restriction to technical solutions of the utility model, it is any only to be made using the utility model in essence utility model content
Locally change, should fall into the scope of protection of the utility model.
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 |
|---|---|---|---|
| CN201820371790.8U CN207936905U (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 |
|---|---|---|---|
| CN201820371790.8U CN207936905U (en) | 2018-03-19 | 2018-03-19 | A kind of digit display dial gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936905U true CN207936905U (en) | 2018-10-02 |
Family
ID=63655641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371790.8U Active CN207936905U (en) | 2018-03-19 | 2018-03-19 | A kind of digit display dial gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458649A (en) * | 2018-03-19 | 2018-08-28 | 德清量丰电子科技有限公司 | A kind of digit display dial gauge |
| 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 |
-
2018
- 2018-03-19 CN CN201820371790.8U patent/CN207936905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458649A (en) * | 2018-03-19 | 2018-08-28 | 德清量丰电子科技有限公司 | A kind of digit display dial gauge |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 313200 No. 137 North Road, Fuxi street, Deqing County, Huzhou, Zhejiang. Patentee after: Deqing Quanfeng Electronic Technology Co., Ltd. Address before: 313200 No. 137 North Ring Road, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Patentee before: Deqing abundance Electronic Technology Co., Ltd. |
|
| CP03 | Change of name, title or address |