CN2130253Y - Differential screw micrometer - Google Patents
Differential screw micrometer Download PDFInfo
- Publication number
- CN2130253Y CN2130253Y CN 92228362 CN92228362U CN2130253Y CN 2130253 Y CN2130253 Y CN 2130253Y CN 92228362 CN92228362 CN 92228362 CN 92228362 U CN92228362 U CN 92228362U CN 2130253 Y CN2130253 Y CN 2130253Y
- Authority
- CN
- China
- Prior art keywords
- micrometer
- screw
- differential screw
- differential
- screw micrometer
- 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
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A differential screw micrometer belongs to the technical field of measuring tool, in particular to a differential screw micrometer for screw-thread micrometer, comprising a feeler pin 3 and a supporter 2. The utility model is characterized in that on the other end of the supporter 2 is equipped with a differential screw micrometer 1, comprising a rotary handle 4, a microdrum 5, a screw 6, a fixing sleeve tube 7, a movable gage button 8 and a feather key 9. The device has the advantage of high precision, simple structure and easy use and so on and can be used as a measuring tool for common use.
Description
The differential screw micrometer head belongs to the survey instrument technical field, particularly relates to the differential screw micrometer head that a kind of screw micrometer is used.
At present, in machining, screw micrometer is normally used precision measuringtoll, and the least count of its measurement is 0.01 millimeter, wants to measure 0.001 millimeter, can only in 0.01 millimeter, estimate with human eye, error is very big like this, though lever-type micrometer and micrometer inside caliper, its least count is 0.001 millimeter, but the scope of application is restricted, and can not be the general measurer of per mille millimeter as precision.
It is the per mille millimeter that the purpose of this utility model just provides a kind of precision, has the general measurer of difference spiral micrometer head.
The technical solution of the utility model accompanying drawings is as follows, the differential screw micrometer head, comprise general gauge head 3 and gauge head support 2, it is characterized in that: be equipped with one at the other end of support and have swing handle 4, microdrum 5, screw rod 6, fixed muffle 7, movable gage button 8, the differential screw micrometer head 1 that feather key 9 is formed.Two sections screw threads are in the same way arranged on screw rod 6, and the difference of its pitch is 0.05 millimeter, and microdrum 5 is divided into 50 five equilibriums.Whenever to revolve the distance that microdrum 5 advanced or retreated that turns around is standard, carves corresponding scale on fixed muffle 7, and feather key 9 also is housed on support 2.Principle of work of the present utility model: when rotating swing handle 4, microdrum 5, screw rod 6 rotates simultaneously, because fixed muffle 7 is static, movable gage button 8 can only move axially, and the pitch difference of two sections screw threads on the screw rod 6 is 0.05 millimeter, so the actual displacement amount of movable gage button 8 is 0.05 millimeter, with 0.05 millimeter 50 five equilibrium of this displacement, promptly each five equilibrium is represented 0.001 millimeter.So just reached the accuracy requirement of measuring the per mille millimeter.
Advantage of the present utility model: simple in structure; The measuring accuracy height; Easy to use; Has general measurer function.
Description of drawings: Fig. 1 is total figure of screw-thread micrometer, has represented differential screw micrometer head 1 among the figure, support 2, general gauge head 3; Fig. 2 is the structural drawing of differential screw micrometer head 1, has represented swing handle 4 among the figure, microdrum 5, screw rod 6, fixed muffle 7, movable gage button 8, feather key 9.
Embodiment: reach accompanying drawing to specifications, on the support 2 of original milscale, increase by the fixing hole of differential screw micrometer head 1, and design total figure, wiring layout and part drawing.The screw thread that selected screw rod 6 cooperates with fixed muffle 7 is M4 * 0.5, and the screw thread that screw rod 6 cooperates with movable gage button 8 is M4 * 0.45, and movable gage button 8 is selected T9 tool steel for use, and remainder is selected steel for use No. 45, processes each part with machining process.During assembling with swing handle 4, microdrum 5, screw rod 6 is tightened to one, fixed muffle 7 is fitted in support 2 holes, then screw rod 6 is screwed in the fixed muffle 7, from the other end movable anvil 8 is contained on the screw rod 6, load onto feather key 9 at last, promptly produce product of the present utility model.
Claims (2)
1, differential screw micrometer head comprises general gauge head 3, and support 2 is characterized in that: be equipped with one at the other end of support 2 and have swing handle 4, microdrum 5, screw rod 6, fixed muffle 7, movable gage button 8, the differential screw micrometer head 1 that feather key 9 is formed.
2, differential screw micrometer head according to claim 1 is characterized in that: two sections different thread are arranged on the screw rod 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92228362 CN2130253Y (en) | 1992-07-17 | 1992-07-17 | Differential screw micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92228362 CN2130253Y (en) | 1992-07-17 | 1992-07-17 | Differential screw micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2130253Y true CN2130253Y (en) | 1993-04-21 |
Family
ID=33772045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92228362 Expired - Fee Related CN2130253Y (en) | 1992-07-17 | 1992-07-17 | Differential screw micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2130253Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018491A (en) * | 2012-11-27 | 2013-04-03 | 北京大学 | Micro-flex loading device and method of film material for atomic force microscope |
| CN103673805A (en) * | 2013-12-20 | 2014-03-26 | 苏州蓝王机床工具科技有限公司 | Bidirectional detection micrometer |
| CN107702614A (en) * | 2017-10-13 | 2018-02-16 | 威海职业学院 | A kind of micrometer |
-
1992
- 1992-07-17 CN CN 92228362 patent/CN2130253Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018491A (en) * | 2012-11-27 | 2013-04-03 | 北京大学 | Micro-flex loading device and method of film material for atomic force microscope |
| CN103673805A (en) * | 2013-12-20 | 2014-03-26 | 苏州蓝王机床工具科技有限公司 | Bidirectional detection micrometer |
| CN103673805B (en) * | 2013-12-20 | 2016-06-08 | 苏州蓝王机床工具科技有限公司 | Two-way detection micrometer |
| CN107702614A (en) * | 2017-10-13 | 2018-02-16 | 威海职业学院 | A kind of micrometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |