CN2657035Y - Lens cone focusing device for microscope - Google Patents
Lens cone focusing device for microscopeInfo
- Publication number
- CN2657035Y CN2657035Y CN 200320112504 CN200320112504U CN2657035Y CN 2657035 Y CN2657035 Y CN 2657035Y CN 200320112504 CN200320112504 CN 200320112504 CN 200320112504 U CN200320112504 U CN 200320112504U CN 2657035 Y CN2657035 Y CN 2657035Y
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- microscope
- hitch
- lens barrel
- tube
- 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
Links
Images
Landscapes
- Microscoopes, Condenser (AREA)
Abstract
The utility model relates to a focus adjustment device of a microscope tube which belongs to the microscope part. A tube 1 is connected with a rack 3 by a screw through an adjustment pad, a gear shaft 4 is rotatorily connected with a gear sleeve 5, through which the gear shaft is thread fixedly connected with a connecting frame 6, the connecting frame is fixed on a column of the microscope through a locking hand wheel, the rack 3 is slidingly connected with the connecting frame, and a focusing hand wheel 8 is thread fixedly connected with the gear shaft 4. The utility model has the advantages of novel structure, convenience for manufacture and assembly, and verticality of the tube to the working table, which improves the clarity of the view field.
Description
Technical field
The utility model belongs to the parts in the microscope.
Background technology
In using the test of microscope to object, often need to adjust the focal length of object lens to testee, generally realize by the lens barrel focusing structure, used lens barrel focusing structure lacks the adjustable collar joint at present, cumbersome in manufacturing and assembling process, be difficult to guarantee the perpendicularity of lens barrel, influence the visual field sharpness worktable.
Summary of the invention
The utility model provides a kind of microscopical lens barrel focus control, has solved the problem that prior art manufacturing assembling is difficult, the visual field sharpness is low.The technical scheme that the utility model is taked is: lens barrel 1 is connected through screw by adjusting pad 2 and tooth bar 3, gear shaft 4 is rotationally connected with geared sleeve 5, this gear shaft is fixedlyed connected with hitch 6 screw threads by this geared sleeve, this hitch is fixed on the microscopical column by locking handwheel 7, tooth bar 3 is slidingly connected with this hitch, and focusing handwheel 8 is fixedlyed connected with gear shaft 4 screw threads.When needs are focused, by focusing handwheel 8 gear shaft 4 is rotated, when this gear shaft rotates, tooth bar 3 is slided on hitch 6, thereby drive moving up and down of lens barrel 1, reach the purpose of focusing.
Advantage of the present utility model is: novel structure, and manufacturing, easy to assembly, because speed governing pad 2 is arranged, the relative tolerance precision of parts such as lens barrel, tooth bar, gear shaft, gear bush hitch can appropriateness reduce.During assembling, can make lens barrel easily, make lens barrel good, thereby improved the visual field sharpness the perpendicularity of worktable perpendicular to worktable by the increase and decrease adjusting pad.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cut-open view of Fig. 1.
Embodiment
Lens barrel 1 is connected through screw by adjusting pad 2 and tooth bar 3, gear shaft 4 is rotationally connected with geared sleeve 5, this gear shaft is fixedlyed connected with hitch 6 screw threads by this geared sleeve, this hitch is fixed on the microscopical column by locking handwheel 7, tooth bar 3 is slidingly connected with this hitch, and focusing handwheel 8 is fixedlyed connected with gear shaft 4 screw threads.
Claims (1)
1, a kind of microscopical lens barrel focus control, comprise: gear shaft (4) is rotationally connected with geared sleeve (5), this gear shaft is fixedlyed connected with hitch (6) screw thread by this geared sleeve, this hitch is fixed on the microscopical column by locking handwheel (7), tooth bar (3) is slidingly connected with this hitch, focusing handwheel (8) is fixedlyed connected with gear shaft (4) screw thread, it is characterized in that: lens barrel (1) is connected through screw with tooth bar (3) by adjusting pad (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112504 CN2657035Y (en) | 2003-10-08 | 2003-10-08 | Lens cone focusing device for microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112504 CN2657035Y (en) | 2003-10-08 | 2003-10-08 | Lens cone focusing device for microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2657035Y true CN2657035Y (en) | 2004-11-17 |
Family
ID=34344674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320112504 Expired - Fee Related CN2657035Y (en) | 2003-10-08 | 2003-10-08 | Lens cone focusing device for microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2657035Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399102C (en) * | 2005-11-23 | 2008-07-02 | 佛山市吉茂工业自动化技术有限公司 | Apparatus for fixing regulating camera and microscope of image measuring system |
-
2003
- 2003-10-08 CN CN 200320112504 patent/CN2657035Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100399102C (en) * | 2005-11-23 | 2008-07-02 | 佛山市吉茂工业自动化技术有限公司 | Apparatus for fixing regulating camera and microscope of image measuring system |
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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 |