CN107401961B - Micrometer - Google Patents
Micrometer Download PDFInfo
- Publication number
- CN107401961B CN107401961B CN201710568235.4A CN201710568235A CN107401961B CN 107401961 B CN107401961 B CN 107401961B CN 201710568235 A CN201710568235 A CN 201710568235A CN 107401961 B CN107401961 B CN 107401961B
- Authority
- CN
- China
- Prior art keywords
- scale
- main scale
- groove
- gear
- auxiliary scale
- 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.)
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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
Abstract
The invention discloses a kind of micrometers, it include pedestal, it is characterized by: the pedestal is equipped with main scale and auxiliary scale, main scale is slidably arranged on pedestal, it is all provided on the main scale and auxiliary scale fluted, auxiliary scale is slidably arranged in the groove of main scale, described pedestal one end is equipped with the roof beam structure around main scale, roof beam structure upper end is equipped with dial, the first pointer and the second pointer are equipped in dial, roof beam structure lower end is equipped with gear and lower gear, first pointer is driven by gear by first rotating shaft and is rotated, second pointer is driven by lower gear by the second shaft and is rotated, first rotating shaft and the second shaft are coaxially socketed setting, the inner left wall of the main scale groove is equipped with convex platform, convex platform is equipped with the groove matched with gear, the right side inner wall of the auxiliary scale groove is equipped with lower convex platform, lower convex platform is equipped with the groove matched with lower gear.Structure of the present invention is reasonable, measurement is accurate, the replaceable setting of measuring head.
Description
Technical field
The present invention relates to a kind of improvement of fine measuring instrument invention more particularly to a kind of improvement of micrometer inventions.
Background technique
Micrometer is surveyed when being widely used in various measurement operations, however measuring the depth of aperture as fine measuring instrument
The outer diameter of amount head is less than the internal diameter of aperture, and when aperture is especially small, measuring head will be very thin, and when measurement easily damages, and
The measuring head of existing micrometer can not be replaced.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide, a kind of measurement is accurate, measuring head
Replaceable micrometer.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that realize: this kind of micrometer, including
There is pedestal, it is characterised in that: the pedestal is equipped with main scale and auxiliary scale, and main scale is slidably arranged on pedestal, and main scale is equipped with
It is all provided with fluted in first location structure, the main scale and auxiliary scale, auxiliary scale is slidably arranged in the groove of main scale, and is set in auxiliary scale
There are the second location structure and pushing block, pushing block is arranged in the groove of auxiliary scale, and described pedestal one end is equipped with the roof beam structure around main scale, beam
Frame upper end is equipped with dial, and the first pointer and the second pointer are equipped in dial, and roof beam structure lower end is equipped with gear and lower gear, the
One pointer is driven by gear by first rotating shaft and is rotated, and the second pointer is driven by lower gear by the second shaft and rotated, and first
Shaft and the second shaft are coaxially socketed setting, and the inner left wall of the main scale groove is equipped with convex platform, convex platform equipped with it is upper
The groove that gear matches, the right side inner wall of the auxiliary scale groove are equipped with lower convex platform, and lower convex platform is equipped with and matches with lower gear
Groove；The pedestal other end is equipped with the sleeve around main scale, is equipped with mounting base in sleeve, mounting base is fixed on auxiliary scale one
End, mounting base are equipped with mounting hole, and sleeve is equipped with bar shaped sliding slot, is equipped with fastening bolt in bar shaped sliding slot, fastening bolt penetrates
In the mounting hole of mounting base, depth measurement head is mounted in mounting hole, and is fixed in mounting base by the fastening bolt.
First location structure is the first positioning bolt that roof beam structure side is arranged in, and can be incited somebody to action when the first positioning bolt rotates
Main scale is fixed on roof beam structure.
Second location structure is the second positioning bolt being arranged on auxiliary scale upper groove, when the second positioning bolt rotates
Auxiliary scale can be fixed on main scale.
The fastening bolt front end is equipped with pressing plate, and pressing plate is equipped with rubber mat, and depth measurement head is pushed down by pressing plate is fixed on pair
On ruler.
It is structurally reasonable, measurement is accurate, the replaceable setting of measuring head the beneficial effects of the invention are as follows improved micrometer,
And it is capable of measuring the length of measuring head, and it is convenient for measuring the aperture of different pore size and depth, it is Ke Kuaisugenghuan to continue to make in damage
With.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is structural side view of the invention.
Fig. 3 is structure rearview of the invention.
Specific embodiment
Attached drawing illustrates structure of the invention, further illustrates it in relation to details in conjunction with attached drawing below.The micrometer, packet
Pedestal 1 is included, the pedestal 1 is equipped with main scale 2 and auxiliary scale 3, and main scale 2 is slidably arranged on pedestal 1, and main scale 2 is equipped with the
It is all provided with fluted in one location structure 4, the main scale 2 and auxiliary scale 3, auxiliary scale 3 is slidably arranged in the groove of main scale 2, and auxiliary scale 3
It is equipped with the second location structure 5 and pushing block 6, pushing block 6 is arranged in the groove of auxiliary scale 3, and described 1 one end of pedestal, which is equipped with, surrounds main scale
2 roof beam structure 7,7 upper end of roof beam structure are equipped with dial 8, are equipped with the first pointer 9 and the second pointer 10 in dial 8,7 lower end of roof beam structure is set
There are a gear 11 and lower gear 12, the first pointer 9 is driven by gear 11 by first rotating shaft and rotated, and the second pointer 10 passes through the
Two shafts are driven by lower gear 12 and are rotated, and first rotating shaft and the second shaft are coaxially socketed setting, in the left side of 2 groove of main scale
Wall is equipped with convex platform 13, and convex platform 13 is equipped with the groove matched with gear 11, and the right side inner wall of 3 groove of auxiliary scale is set
There is lower convex platform 14, lower convex platform 14 is equipped with the groove matched with lower gear 12；1 other end of pedestal, which is equipped with, surrounds main scale 2
Sleeve 15, mounting base 16 is equipped in sleeve 15, mounting base 16 is fixed on 3 one end of auxiliary scale, and mounting base 16 is equipped with mounting hole, set
Cylinder 15 is equipped with bar shaped sliding slot 18, is equipped with fastening bolt 19 in bar shaped sliding slot 18, fastening bolt 19 penetrates the installation of mounting base 16
In hole, depth measurement head 21 is mounted in mounting hole, and is fixed in mounting base 16 by the fastening bolt 19.
First location structure 4 is the first positioning bolt that 7 side of roof beam structure is arranged in, and the first positioning bolt can when rotating
Main scale 2 is fixed on roof beam structure 7.
Second location structure 5 is the second positioning bolt being arranged on 3 upper groove of auxiliary scale, the rotation of the second positioning bolt
When auxiliary scale 3 can be fixed on main scale 2.
19 front end of fastening bolt is equipped with pressing plate, and pressing plate is equipped with rubber mat, and depth measurement head 21 pushes down fixation by pressing plate
It in auxiliary scale 3, avoids contacting firmly, damages measuring head 21.
In the present invention, the precision of main scale 2 and auxiliary scale 3 is 0.1mm, and the precision of dial 8 is 0.01mm, and the two reading is mutual
It is accumulated as measured value.
When the invention works, hand holds pedestal 1, depth measurement head 21 is mounted in the mounting hole of mounting base 16, and by
Fastening bolt 19 is fixed, and measuring head 21 is pushed into sleeve 15, and main scale 2 is moved backward with auxiliary scale 3 by the drive of mounting base 16, to
After measuring head 21 is completely into sleeve 15, the first positioning bolt is tightened, fixed main scale 2 reads 2 amount of movement of main scale reading and scale
8 first pointer of disk, 9 amount of spin reading, the two are added the length for obtaining measuring head 21, can learn this kind of measuring head 21 in advance
Measurement range；Then respective apertures push pushing block 6, drive auxiliary scale 3 to move forward, probe into measuring head 21 in aperture, then tighten the
Two positioning bolts, fixed auxiliary scale 3, the amount of movement reading for reading auxiliary scale 3 are read with 8 second pointer of dial, 10 amount of spin, the two
Addition obtains aperture depth value.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. micrometer includes pedestal, it is characterised in that: the pedestal is equipped with main scale and auxiliary scale, and main scale is slidably arranged in bottom
On seat, and main scale is equipped with the first location structure, is all provided on the main scale and auxiliary scale fluted, and auxiliary scale is slidably arranged in main scale
In groove, and auxiliary scale is equipped with the second location structure and pushing block, and pushing block is arranged in the groove of auxiliary scale, and described pedestal one end is equipped with
Around the roof beam structure of main scale, roof beam structure upper end is equipped with dial, is equipped with the first pointer and the second pointer in dial, roof beam structure lower end is equipped with
Gear and lower gear, the first pointer are driven by gear by first rotating shaft and are rotated, and the second pointer is by the second shaft under
Gear band turn is dynamic, and first rotating shaft and the second shaft are coaxially socketed setting, and the inner left wall of the main scale groove is equipped with convex platform,
Convex platform is equipped with the groove matched with gear, and the right side inner wall of the auxiliary scale groove is equipped with lower convex platform, sets on lower convex platform
There is the groove matched with lower gear；The pedestal other end is equipped with the sleeve around main scale, and mounting base, installation are equipped in sleeve
Seat is fixed on auxiliary scale one end, and mounting base is equipped with mounting hole, and sleeve is equipped with bar shaped sliding slot, fastening spiral shell is equipped in bar shaped sliding slot
Bolt, fastening bolt penetrate in the mounting hole of mounting base, and depth measurement head is mounted in mounting hole, and are fixed on by the fastening bolt
In mounting base.
2. micrometer as described in claim 1, it is characterised in that: first location structure is that roof beam structure side is arranged in
Main scale can be fixed on roof beam structure by one positioning bolt, the first positioning bolt when rotating.
3. micrometer as described in claim 1, it is characterised in that: second location structure is to be arranged on auxiliary scale upper groove
The second positioning bolt, the second positioning bolt rotate when auxiliary scale can be fixed on main scale.
4. micrometer as described in claim 1, it is characterised in that: the fastening bolt front end is equipped with pressing plate, and pressing plate is equipped with
Rubber mat, depth measurement head is pushed down by pressing plate to be fixed in auxiliary scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568235.4A CN107401961B (en) | 2017-07-13 | 2017-07-13 | Micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568235.4A CN107401961B (en) | 2017-07-13 | 2017-07-13 | Micrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107401961A CN107401961A (en) | 2017-11-28 |
| CN107401961B true CN107401961B (en) | 2019-06-04 |
Family
ID=60404662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710568235.4A Active CN107401961B (en) | 2017-07-13 | 2017-07-13 | Micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401961B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821854A (en) * | 1973-01-26 | 1974-07-02 | E Koch | Depth micrometer |
| CN200955937Y (en) * | 2006-10-13 | 2007-10-03 | 严定立 | Two-purpose measuring scale |
| CN202221296U (en) * | 2011-07-22 | 2012-05-16 | 浙江吉利汽车研究院有限公司 | Measuring scale |
| CN202734732U (en) * | 2012-05-30 | 2013-02-13 | 李响 | Round-bar tire tread depth gauge |
| CN202814303U (en) * | 2012-08-24 | 2013-03-20 | 成都四威高科技产业园有限公司 | Thread depth measuring gauge |
-
2017
- 2017-07-13 CN CN201710568235.4A patent/CN107401961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821854A (en) * | 1973-01-26 | 1974-07-02 | E Koch | Depth micrometer |
| CN200955937Y (en) * | 2006-10-13 | 2007-10-03 | 严定立 | Two-purpose measuring scale |
| CN202221296U (en) * | 2011-07-22 | 2012-05-16 | 浙江吉利汽车研究院有限公司 | Measuring scale |
| CN202734732U (en) * | 2012-05-30 | 2013-02-13 | 李响 | Round-bar tire tread depth gauge |
| CN202814303U (en) * | 2012-08-24 | 2013-03-20 | 成都四威高科技产业园有限公司 | Thread depth measuring gauge |
Non-Patent Citations (1)
| Title |
|---|
| 线度的测量工具——游标卡尺与千分尺;周玉美;《实验教学与仪器》;20081231(第4期);第33-34页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107401961A (en) | 2017-11-28 |
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