CN107726941A - Magnetic waterproof screw micrometer - Google Patents
Magnetic waterproof screw micrometer Download PDFInfo
- Publication number
- CN107726941A CN107726941A CN201711095564.8A CN201711095564A CN107726941A CN 107726941 A CN107726941 A CN 107726941A CN 201711095564 A CN201711095564 A CN 201711095564A CN 107726941 A CN107726941 A CN 107726941A
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- CN
- China
- Prior art keywords
- wall
- welded
- magnetic
- shell
- screw
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000002463 transducing effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000750004 Nestor meridionalis Species 0.000 description 1
- 241000216843 Ursus arctos horribilis Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/18—Micrometers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses magnetic waterproof screw micrometer, including shell, shell side outer wall is provided with mounting groove, and it is embedded with signal detection processing unit in mounting groove, the housing top end outer wall is welded with microdrum, and it is welded with chi frame at the top of the outer wall of shell side, the side of the chi top of the trellis outer wall is welded with gage button deck, and gage button deck is provided with circular groove close to shell side outer wall, circular groove inwall is welded with gage button, the microdrum inwall side outer wall is welded with nut pipe sleeve, and nut pipe sleeve both sides are provided with screwed hole.High resolution of the present invention, not by water, greasy dirt and dust etc. influence, there is real water-proof function from magnetic principles, by the angular displacement signal reconvert that microprocessor processes magnetic sensor detects into length signals, reduce the tired degree that personnel observe, numerical value is directly presented in the display, the convenience of mike is improved, improves the accuracy of measurement, has good teaching to act on.
Description
Technical field
The present invention relates to screw micrometer technical field, more particularly to magnetic waterproof screw micrometer.
Background technology
Micrometer caliper is also known as micrometer, spiral micrometer, micrometer, is the measurement length more accurate than slide measure
Instrument, survey length with it and can be accurate to 0.01mm, measurement range is several centimetres, and its a part of screw rod is processed into pitch and is
0.5mm screw thread, when it is rotated in the swivel nut of fixed sleeving, it advancing or retreat, moving casing and screw rod are connected,
Its periphery is divided into 50 lattices, and the number of full circle that screw rod rotates is gone to measure by the groove for being spaced 0.5mm on fixed sleeving, less than one
The part of circle is gone to measure by the groove on moving casing periphery, and final measurement, which needs to estimate, reads a decimal, normal on the market at present
Micrometer, small because marking, not seeing often occurs in reading, reading is difficult, calculates cumbersome phenomenon, the micrometer of some digital displays is but
There is no waterproof effect.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes magnetic waterproof screw micrometer.
Magnetic waterproof screw micrometer proposed by the present invention, including shell, shell side outer wall are provided with mounting groove, and
Display screen is embedded with mounting groove, the housing top end outer wall is welded with microdrum, and is welded with the top of the outer wall of shell side
Chi frame, the side of the chi top of the trellis outer wall is welded with gage button deck, and gage button deck is provided with circle close to shell side outer wall
Groove, circular groove inwall are welded with gage button, and the microdrum inwall side outer wall is welded with nut pipe sleeve, and nut pipe sleeve two
Side is provided with screwed hole, and two screwed hole inner threads are connected with micrometric screw, and micrometric screw leads to away from gage button one end
Cross and be threadedly secured on microdrum, the microdrum is welded with fixed pipe sleeve, and fixed pipe sleeve side away from gage button side outer wall
Outer wall is carved with dial, and the micrometric screw is socketed with magnet ring close to fixed pipe sleeve one end outer wall, and magnet ring is located at microdrum
Interior, the fixed pipe sleeve side outer wall thread is connected with adjusting knob, and adjusting knob connects away from magnet ring one end outer wall thread
There is ratchet swing handle, the shell bottom inwall side is fixed with sealing ring by screw, and shell bottom inwall passes through bolt
Pcb board is fixed with, microprocessor is welded with the pcb board, magnetic transducing device assembly is fixed by screws on chi frame inwall,
And be connected by winding displacement with pcb board 14, magnetic transducing device assembly (17) is located at the front of magnet ring, and the opposite pcb board of chi frame (3)
(14) rear side inwall is provided with battery neck.
Preferably, the nut pipe sleeve side outer wall is provided with fixing hole, and fixing hole inner thread is connected with nut and fixed
Deck, nut Fixing clamp-seat side outer wall thread are connected with fixing nut, and the length of fixing nut is one to two centimetres.
Preferably, on the magnet ring ring circumferential surface filled with the n (n=25,50,100 ...) arranged parallel to axis to NS
Magnetic-pole signals grizzly bar.
Preferably, the chi frame is provided with battery neck against inwall on rear side of pcb board, and is fixed in battery neck by spring
There is rechargeable battery, rechargeable battery output end is connected by wire with pcb board, and the output end of magnetic sensor passes through winding displacement
It is connected with pcb board.
Preferably, the specification of the sealing ring is adapted with the specification of shell, and sealing ring side outer wall is provided with display
Groove, display screen are connected in display tank away from shell one end, and the input of display is connected by conductive rubber strip with pcb board
Connect.
Preferably, the micrometric screw is provided with bayonet socket close to gage button side outer wall, and bayonet socket inwall is fixed with by screw
Magnetic transducing device assembly, the output end of magnetic transducing device assembly are connected by winding displacement with pcb board.
Preferably, the diameter of the gage button and the diameter of micrometric screw are identical, and the internal diameter and micrometric screw of nut pipe sleeve
External diameter be adapted, microdrum is round-like structure close to nut pipe sleeve side outer wall.
In the present invention, rotational angle displacement detection is carried out based on magnetic principles, can reach the output of every pulse signal of revolution thousand,
It is made, is used cooperatively by magnet ring and magnetic sensor, high resolution, not by water, greasy dirt according to spiral amplification principle again
Influenceed with dust etc., there is real water-proof function from magnetic principles, detected by microprocessor processes magnetic sensor
Distance signal, the tired degree of personnel's observation is reduced, numerical value is directly presented in the display, improves the convenient of mike
Property, the accuracy of measurement is improved, and gauger can remind according to oneself reading compared with digital display reading, when there is deviation
Oneself learns correct pronunciation, has good teaching to act on；The present invention has high resolution, high resolution, not by water, greasy dirt and ash
The characteristics of dirt etc. influences, and measurement is convenient, and measuring accuracy is high.
Brief description of the drawings
Fig. 1 is the structural representation of magnetic waterproof screw micrometer proposed by the present invention；
Fig. 2 is the signal detection processing device structure diagram of magnetic waterproof screw micrometer proposed by the present invention.
In figure：1 shell, 2 display windows, 3 chi framves, 4 gage button decks, 5 gage buttons, 6 micrometric screws, 7 fixing nuts, 8 nut pipes
Set, 9 microdrums, 10 magnet rings, 11 adjusting knobs, 12 ratchet swing handles, 13 displays, 14PCB plates, 15 sealing rings, 16 microprocessors,
17 magnetic transducing device assemblies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, magnetic waterproof screw micrometer, including shell 1, the side outer wall of shell 1 is provided with mounting groove, and installs
Signal detection processing unit is embedded with groove, the top outer wall of shell 1 is welded with microdrum 9, and the top weldering of the side outer wall of shell 1
Chi frame 3 is connected to, the side of the top exterior walls of chi frame 3 is welded with gage button deck 4, and gage button deck 4 is provided with close to the side outer wall of shell 1
Circular groove, circular groove inwall are welded with gage button 5, and the inwall side outer wall of microdrum 9 is welded with nut pipe sleeve 8, and nut pipe
Cover 8 both sides and be provided with screwed hole, two screwed hole inner threads are connected with micrometric screw 6, and micrometric screw 6 is away from gage button 5 one
End is threadedly secured on microdrum 9, and microdrum 9 is welded with fixed pipe sleeve, and fixed pipe sleeve one away from gage button side outer wall
Side outer wall is carved with dial, and micrometric screw 6 is socketed with magnet ring 10 close to fixed pipe sleeve one end outer wall, and magnet ring 10 is located at differential
In cylinder 9, fixed pipe sleeve side outer wall thread is connected with adjusting knob 11, and adjusting knob 11 is away from one end outer wall thread of magnet ring 10
Ratchet swing handle 12 is connected with, the bottom inwall side of shell 1 is fixed with sealing ring 15 by screw, and the bottom inwall of shell 1 passes through spiral shell
Bolt is fixed with pcb board 14, and pcb board 14 is T-type structure, and pcb board 14 is between sealing ring 15 and battery neck, pcb board 14
On be welded with microprocessor 16, magnetic transducing device assembly 17 is fixed by screws on the inwall of chi frame 3, and passes through winding displacement and circuit
Plate 14 connects, and magnetic transducing device assembly 17 is located at the front of magnet ring 10, and chi frame 3 is provided with electricity against the rear side inwall of pcb board 14
Pond neck.
In the present invention, the side outer wall of nut pipe sleeve 8 is provided with fixing hole, and fixing hole inner thread is connected with nut fixing card
Seat, nut Fixing clamp-seat side outer wall thread are connected with fixing nut 7, and the length of fixing nut 7 is one to two centimetres, magnet ring 10
Filled with n (n=25,50,100 ...) the NS magnetic-pole signals grizzly bars arranged parallel to axis on ring circumferential surface.Chi frame 3 is against PCB
The rear side inwall of plate 14 is provided with battery neck, and is fixed with rechargeable battery, rechargeable battery output by spring in battery neck
End is connected by wire with pcb board 14, and the output end of magnetic sensor module 17 is connected by winding displacement with pcb board 14, close
The specification of seal 15 is adapted with the specification of shell 1, and the side outer wall of sealing ring 15 is provided with display screen groove, and display screen 13 is away from outer
The one end of shell 1 is connected in display screen groove, and the input of display screen 13 is connected by conductive rubber strip with pcb board 14, micrometer spiral shell
Bar 6 is provided with bayonet socket close to the side outer wall of gage button 5, and bayonet socket inwall is fixed with magnetic transducing device assembly 17 by screw, and magnetic passes
The output end of sensor component 17 is connected by winding displacement with pcb board 14, the diameter of the gage button 5 and the diameter phase of micrometric screw 6
Together, and the internal diameter of nut pipe sleeve 8 is adapted with the external diameter of micrometric screw 6, and microdrum 9 is circle close to the side outer wall of nut pipe sleeve 8
Mesa-shaped structure.
Object under test is put into chi frame 3, gage button 5 is close to determinand, rotates adjusting knob 11, makes micrometric screw 6 be close to treat
Thing is surveyed, rotating ratchet swing handle 12, when there is kaka sound, stops measurement, the monitoring distance value of magnetic transducing device assembly 17 passes to PCB
Plate 14, when micrometric screw 6 rotates a circle in nut pipe sleeve 8, micrometric screw 6 just along axis of screw side forward or backward
The distance of one pitch, magnet ring 10 are arranged on micrometric screw 6, and magnet ring 10 rotates, magnet ring 10 with the rotation of micrometric screw 6
NS magnetic-pole signals of the circumferential surface filled with regularity, magnetic transducing device assembly 17 detect the magnetic signal warp rotated on magnet ring 10
Processing circuit processes on follow-up pcb board 14 form every revolution with several thousands of output pulse signals, are turned by micrometric screw 6
Change linear displacement signal into, measurement signal is converted into data signal, shown on the display screen 2 by microprocessor 16.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. magnetic waterproof screw micrometer, including shell (1), it is characterised in that shell (1) side outer wall is provided with installation
Groove, and signal detection processing unit is embedded with mounting groove, shell (1) top outer wall is welded with microdrum (9), and shell
(1) chi frame (3) is welded with the top of the outer wall of side, the side of chi frame (3) top exterior walls is welded with gage button deck (4), and
Gage button deck (4) is provided with circular groove close to shell (1) side outer wall, and circular groove inwall is welded with gage button (5), the differential
Cylinder (9) inwall side outer wall is welded with nut pipe sleeve (8), and nut pipe sleeve (8) both sides are provided with screwed hole, two screw threads
Hole inner thread is connected with micrometric screw (6), and micrometric screw (6) is threadedly secured to microdrum away from gage button (5) one end
(9) on, the microdrum (9) is welded with fixed pipe sleeve away from gage button side outer wall, and the micrometric screw (6) is close to fixed pipe sleeve
One end outer wall is socketed with magnet ring (10), and magnet ring (10) is located in microdrum (9), the fixed pipe sleeve side outer wall thread connection
There is adjusting knob (11), and adjusting knob (11) is connected with ratchet swing handle (12) away from magnet ring (10) one end outer wall thread, it is described
Shell (1) bottom inwall side is fixed with sealing ring (15) by screw, and shell (1) bottom inwall has been bolted
Pcb board (14), microprocessor (16) is welded with the pcb board (14), magnetic transducing device assembly (17) is fixed by screws in
On chi frame (3) inwall, and it is connected by winding displacement with pcb board 14, magnetic transducing device assembly (17) is located at the front of magnet ring (10)
Fixed interval (FI) is left, and chi frame (3) is provided with battery neck against inwall on rear side of pcb board (14).
2. magnetic waterproof screw micrometer according to claim 1, it is characterised in that outside nut pipe sleeve (8) side
Wall is provided with fixing hole, and fixing hole inner thread is connected with nut Fixing clamp-seat, the connection of nut Fixing clamp-seat side outer wall thread
There is fixing nut (7), the length of fixing nut (7) is one to two centimetres.
3. magnetic waterproof screw micrometer according to claim 1, it is characterised in that magnet ring (10) the ring circumferential surface
On filled with the n (n=25,50,100 ...) arranged parallel to axis to NS magnetic-pole signals grizzly bars.
4. magnetic waterproof screw micrometer according to claim 1, it is characterised in that after the opposite pcb board (14) of chi frame (3)
Side inwall is provided with battery neck, and is fixed with rechargeable battery by spring in battery neck, and rechargeable battery output end is led to
Wire is crossed with pcb board (14) to be connected.
5. magnetic waterproof screw micrometer according to claim 1, it is characterised in that the specification of the sealing ring (15) with
The specification of shell (1) is adapted, and sealing ring (15) side outer wall is provided with display tank, and display screen (13) is away from shell (1) one
End is connected in display tank, and the input of display (13) is connected by conductive rubber strip with pcb board (14).
6. magnetic waterproof screw micrometer according to claim 1, it is characterised in that the micrometric screw (6) is close to survey
Anvil (5) side outer wall is provided with bayonet socket, and bayonet socket inwall is fixed with magnetic transducing device assembly (17), magnetic sensor group by screw
The output end of part (17) is connected by winding displacement with pcb board (14).
7. magnetic waterproof screw micrometer according to claim 1, it is characterised in that the diameter of the gage button (5) and survey
The diameter of micro- screw rod (6) is identical, and the internal diameter of nut pipe sleeve (8) is adapted with the external diameter of micrometric screw (6), and microdrum (9) leans on
Nearly nut pipe sleeve (8) side outer wall is round-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095564.8A CN107726941A (en) | 2017-11-09 | 2017-11-09 | Magnetic waterproof screw micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095564.8A CN107726941A (en) | 2017-11-09 | 2017-11-09 | Magnetic waterproof screw micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107726941A true CN107726941A (en) | 2018-02-23 |
Family
ID=61214171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095564.8A Pending CN107726941A (en) | 2017-11-09 | 2017-11-09 | Magnetic waterproof screw micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726941A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867542A (en) * | 1957-03-06 | 1961-05-10 | A E I I John Thompson Nuclear | Improvements in micrometer screw measuring means |
| WO1985003346A1 (en) * | 1984-01-18 | 1985-08-01 | Stichting Centrum Voor Micro-Elektronica Twente | Position sensor |
| CN1097864A (en) * | 1993-07-20 | 1995-01-25 | 陆济群 | Magnetic grid digital length measuring device |
| CN1097865A (en) * | 1993-08-02 | 1995-01-25 | 陆济群 | Magnetic grid code disc |
| CN1231421A (en) * | 1998-04-03 | 1999-10-13 | 株式会社三丰 | Micrometer |
| CN1254086A (en) * | 1998-11-11 | 2000-05-24 | 株式会社三丰 | Micrometer |
| CN2662196Y (en) * | 2003-11-08 | 2004-12-08 | 桂林广陆数字测控股份有限公司 | Capacitance grid translational digital display micrometer |
| CN1573276A (en) * | 2003-06-10 | 2005-02-02 | 三丰株式会社 | Digital displacement measuring instrument |
| CN101614512A (en) * | 2009-08-13 | 2009-12-30 | 沈阳飞机工业（集团）有限公司 | Multifunctional digital micrometer |
| CN103123248A (en) * | 2011-10-18 | 2013-05-29 | 株式会社三丰 | Micrometer |
| CN103376037A (en) * | 2012-04-23 | 2013-10-30 | 株式会社三丰 | Micrometer |
| CN103591969A (en) * | 2012-08-28 | 2014-02-19 | 王嘉 | Waterproof coding device having built-in magnet disc |
| CN103591863A (en) * | 2008-06-04 | 2014-02-19 | 株式会社三丰 | Micrometer |
| CN104111009A (en) * | 2014-07-28 | 2014-10-22 | 桂林市晶准测控技术有限公司 | Modular direct drive digital micrometer |
| CN104142115A (en) * | 2013-05-08 | 2014-11-12 | 北京嘉岳同乐极电子有限公司 | Magnetic grating ruler precise measuring instrument |
| CN207936865U (en) * | 2017-11-09 | 2018-10-02 | 江西凯润达精密仪器有限公司 | Magnetic waterproof screw micrometer |
-
2017
- 2017-11-09 CN CN201711095564.8A patent/CN107726941A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867542A (en) * | 1957-03-06 | 1961-05-10 | A E I I John Thompson Nuclear | Improvements in micrometer screw measuring means |
| WO1985003346A1 (en) * | 1984-01-18 | 1985-08-01 | Stichting Centrum Voor Micro-Elektronica Twente | Position sensor |
| CN1097864A (en) * | 1993-07-20 | 1995-01-25 | 陆济群 | Magnetic grid digital length measuring device |
| CN1097865A (en) * | 1993-08-02 | 1995-01-25 | 陆济群 | Magnetic grid code disc |
| CN1231421A (en) * | 1998-04-03 | 1999-10-13 | 株式会社三丰 | Micrometer |
| CN1254086A (en) * | 1998-11-11 | 2000-05-24 | 株式会社三丰 | Micrometer |
| CN1573276A (en) * | 2003-06-10 | 2005-02-02 | 三丰株式会社 | Digital displacement measuring instrument |
| CN2662196Y (en) * | 2003-11-08 | 2004-12-08 | 桂林广陆数字测控股份有限公司 | Capacitance grid translational digital display micrometer |
| CN103591863A (en) * | 2008-06-04 | 2014-02-19 | 株式会社三丰 | Micrometer |
| CN101614512A (en) * | 2009-08-13 | 2009-12-30 | 沈阳飞机工业（集团）有限公司 | Multifunctional digital micrometer |
| CN103123248A (en) * | 2011-10-18 | 2013-05-29 | 株式会社三丰 | Micrometer |
| CN103376037A (en) * | 2012-04-23 | 2013-10-30 | 株式会社三丰 | Micrometer |
| CN103591969A (en) * | 2012-08-28 | 2014-02-19 | 王嘉 | Waterproof coding device having built-in magnet disc |
| CN104142115A (en) * | 2013-05-08 | 2014-11-12 | 北京嘉岳同乐极电子有限公司 | Magnetic grating ruler precise measuring instrument |
| CN104111009A (en) * | 2014-07-28 | 2014-10-22 | 桂林市晶准测控技术有限公司 | Modular direct drive digital micrometer |
| CN207936865U (en) * | 2017-11-09 | 2018-10-02 | 江西凯润达精密仪器有限公司 | Magnetic waterproof screw micrometer |
Non-Patent Citations (1)
| Title |
|---|
| 《实用机械电气技术手册》编委会, 北京理工大学出版社 * |
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Application publication date: 20180223 |
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