CN204636294U - A kind of eyepiece diopter adjustment device - Google Patents
A kind of eyepiece diopter adjustment device Download PDFInfo
- Publication number
- CN204636294U CN204636294U CN201520042377.3U CN201520042377U CN204636294U CN 204636294 U CN204636294 U CN 204636294U CN 201520042377 U CN201520042377 U CN 201520042377U CN 204636294 U CN204636294 U CN 204636294U
- Authority
- CN
- China
- Prior art keywords
- eyepiece
- connecting cylinder
- stalk
- wall
- fixed block
- 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.)
- Active
Links
Landscapes
- Microscoopes, Condenser (AREA)
Abstract
Eyepiece diopter adjustment device provided by the utility model, comprises eyepiece stalk, and described eyepiece stalk outer wall is provided with the helicla flute being surrounded on axis direction; Eyepiece connecting cylinder, described eyepiece connecting cylinder is socketed on the outer wall of described eyepiece stalk, affixedly on described eyepiece connecting cylinder inwall is provided with fixed block, and described fixed block is arranged in described helicla flute.In normal work, when eyepiece connecting cylinder maintains static, rotate eyepiece stalk, because fixed block and spiral fluted cooperatively interact, make eyepiece stalk produce parallel moving forward and backward in eyepiece connecting cylinder, this technology is identical with the technique effect needing in prior art to reach, and while ensureing, when regulating eyepiece, there is higher precision, this eyepiece diopter adjustment apparatus structure is simple, reduces the difficulty of manufacturing process, is convenient to batch production.
Description
Technical field
This utility model relates to medical inspection technical field, more particularly, relates to a kind of eyepiece diopter adjustment device.
Background technology
Slit lamp microscope is the requisite important instrument of ophthalmologic examination.Slit lamp microscope is made up of illuminator and binocular microscope, and it can not only make the shallow pathological changes of table observe fully aware of, and can regulate focus and light source width, makes " optical section ", and the pathological changes of deep tissue also can clearly be manifested.
On usual market, slit lamp eyepiece diopter adjustment adopts screw thread design structure to adjust usually, but because in order to control ocular axis, there is higher precision controlling in the radial fit gap of this structure to screw pair, radial accuracy again due to screw pair itself is not high, describedly add the mode control gap usually adopting man-hour and join work, but this sample loading mode precision controlling is more difficult, public effect is low, and is unfavorable for batch and standardized production.
Utility model content
In view of this, this utility model provides a kind of eyepiece diopter adjustment device, and while guarantee regulates eyepiece also to have degree of precision, its structure is simple, reduces the difficulty of manufacturing process, is convenient to batch production.
In order to achieve the above object, this utility model provides following technical scheme:
A kind of eyepiece diopter adjustment device, comprising:
Eyepiece stalk, described eyepiece stalk outer wall is provided with the helicla flute being surrounded on axis direction;
Eyepiece connecting cylinder, described eyepiece connecting cylinder is socketed on the outer wall of described eyepiece stalk, affixedly on described eyepiece connecting cylinder inwall is provided with fixed block, and described fixed block is arranged in described helicla flute.
Preferably, also comprise the adjustment barrel be socketed on described eyepiece connecting cylinder outer wall, described adjustment barrel one end inwall is provided with retainer ring, described retainer ring outer wall and described adjustment barrel inwall affixed, described retainer ring inwall and described eyepiece stalk one end outer wall affixed.
Preferably, described eyepiece stalk one end outer wall is provided with stressed ring, described stressed ring inwall and described eyepiece stalk outer wall affixed, and the affixed and described retainer ring in described stressed ring side is affixed.
Preferably, described eyepiece connecting cylinder is provided with fixing hole, and described fixing hole cross-sectional width is greater than described helicla flute cross-sectional width, and described fixed block is arranged in described fixing hole and helicla flute.
Preferably, described fixed block comprises the fixing head being arranged at its upper end and the guide post being fixed in fixing head bottom surface, and described fixing head thickness is identical with described eyepiece connecting cylinder wall thickness, and described guide post bottom is arranged in described helicla flute.
A kind of eyepiece diopter adjustment device provided by the utility model, comprise the fixed block on the helicla flute be surrounded in the axial direction on eyepiece stalk outer wall and the eyepiece connecting cylinder be socketed on eyepiece stalk outer wall, in normal work, when eyepiece connecting cylinder maintains static, rotate eyepiece stalk, because fixed block and spiral fluted cooperatively interact, eyepiece stalk is made to produce parallel moving forward and backward in eyepiece connecting cylinder, this effect is identical with the technique effect needing in prior art to reach, and while ensureing, when regulating eyepiece, also there is higher precision, this eyepiece diopter adjustment apparatus structure is simple, reduce the difficulty of manufacturing process, be convenient to batch production.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is eyepiece diopter adjustment apparatus structure schematic cross-section provided by the utility model;
Fig. 2 is eyepiece diopter adjustment device eyepiece connecting cylinder structural representation provided by the utility model;
Fig. 3 is eyepiece diopter adjustment device eyepiece stalk structural representation provided by the utility model.
In upper figure: 1 is eyepiece stalk, 11 is helicla flute, and 12 is stressed ring, and 2 is eyepiece connecting cylinder, and 21 is fixed block, and 3 is adjustment barrel, and 31 is retainer ring, and 4 is eyepiece group.
Detailed description of the invention
This utility model provides a kind of eyepiece diopter adjustment device, and while guarantee regulates eyepiece also to have degree of precision, its structure is simple, reduces the difficulty of manufacturing process, is convenient to batch production.
Below in conjunction with the accompanying drawing in this utility model embodiment, carry out clear, complete description to the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Fig. 1 is eyepiece diopter adjustment apparatus structure schematic cross-section provided by the utility model;
Fig. 2 is eyepiece diopter adjustment device eyepiece connecting cylinder structural representation provided by the utility model;
Fig. 3 is eyepiece diopter adjustment device eyepiece stalk structural representation provided by the utility model;
The eyepiece diopter adjustment device that this utility model provides, comprising:
Eyepiece stalk 1, described eyepiece stalk 1 outer wall is provided with the helicla flute 11 being surrounded on axis direction;
Eyepiece connecting cylinder 2, described eyepiece connecting cylinder 2 is socketed on the outer wall of described eyepiece stalk 1, affixedly on described eyepiece connecting cylinder 2 inwall is provided with fixed block 21, and described fixed block 21 is arranged in described helicla flute 11.
In normal work, when eyepiece connecting cylinder 2 maintains static, rotate eyepiece stalk 1, because of cooperatively interacting of fixed block 21 and helicla flute 11, make eyepiece stalk 1 produce parallel moving forward and backward in eyepiece connecting cylinder 2, this effect is identical with the technique effect needing in prior art to reach, and while ensureing, when regulating eyepiece, also there is higher precision, this eyepiece diopter adjustment apparatus structure is simple, reduces the difficulty of manufacturing process, is convenient to batch production.
In this utility model one specific embodiment, also comprise the adjustment barrel 3 be socketed on described eyepiece connecting cylinder 2 outer wall, described adjustment barrel 3 one end inwall is provided with retainer ring 31, described retainer ring 31 outer wall and described adjustment barrel 3 inwall affixed, described retainer ring 31 inwall and described eyepiece stalk 1 one end outer wall affixed.In normal work, if eyepiece connecting cylinder 2 is in fixed situation, staff can not regulate eyepiece stalk 1 easily, described on the outer wall of eyepiece connecting cylinder 2 be socketed an adjustment barrel 3, affixed by adjustment barrel 3 one end and eyepiece stalk 1 one end, the rotation of eyepiece stalk 1 in eyepiece connecting cylinder 2 can be driven when staff rotates adjustment barrel 3, thus the adjustment of implement device.
In this utility model one specific embodiment, described eyepiece stalk 1 one end outer wall is provided with stressed ring 12, described stressed ring 12 inwall and described eyepiece stalk 1 outer wall affixed, and the affixed and described retainer ring 31 in described stressed ring 12 side is affixed.In normal work, when adjustment barrel 3 is rotated mobile, the rotation of eyepiece stalk 1 can be driven to move, by arranging stressed ring 12 on eyepiece stalk 1 outer wall, and by stressed ring 12 and retainer ring 31 affixed, the junction point between its adjustment barrel 3 and eyepiece stalk 1 is increased, when adjustment barrel 3 is rotated mobile, the rotation of eyepiece stalk 1 can better be driven to move, avoid the situation occurring that adjustment barrel 3 is separated with eyepiece stalk 1, further strengthen the stability of device.
In this utility model one specific embodiment, also disclose the another kind of connected mode of fixed block 21 and eyepiece connecting cylinder 2, described eyepiece connecting cylinder 2 is provided with fixing hole, described fixing hole cross-sectional width is greater than described helicla flute 11 cross-sectional width, and described fixed block 21 is arranged in described fixing hole and helicla flute 11.Fixed block 21 is separated with eyepiece connecting cylinder 2 by this connected mode, makes the processing technology of eyepiece connecting cylinder 2 more simple, is convenient to batch production and standardized production.And this connected mode takes full advantage of adjustable pipe and is socketed on feature on eyepiece connecting cylinder 2 outer wall, realizes fixed block 21 there will not be situation about moving up and down with the inwall of adjustable pipe.This connected mode, optimizes the production technology of eyepiece diopter adjustment device further, makes it be beneficial to batch production and standardized production.
In this utility model one specific embodiment, described fixed block 21 comprises the fixing head being arranged at its upper end and the guide post being fixed in fixing head bottom surface, described fixing head thickness is identical with described eyepiece connecting cylinder 2 wall thickness, and described guide post bottom is arranged in described helicla flute 11.Fixing head thickness is arranged at eyepiece connecting cylinder 2 wall thickness to communicate, avoid occurring occurring gap because of fixing head end face and adjustment barrel 3 inwall, fixed block 21 is caused to occur the phenomenon moved up and down, also avoid fixing head higher than eyepiece connecting cylinder 2 outer wall height, and cause the situation that adjustment barrel 3 can not be rotated.
Eyepiece diopter adjustment device disclosed in the utility model, fully make it cooperatively interact with the fixed block 21 on the eyepiece connecting cylinder 2 be socketed on eyepiece stalk 1 outer wall the helicla flute 11 be arranged on eyepiece stalk 1 outer wall, reach technique effect like the prior art.In normal work, when eyepiece connecting cylinder 2 maintains static, by rotating adjustment barrel 3, it is made to drive the rotation of eyepiece stalk 1, because fixed block 21 is arranged in helicla flute 11, so eyepiece stalk 1 when axis is constant, can carries out front and back swing offset along the track on helicla flute 11, makes it reach the effect of regulating diopter.And this eyepiece diopter adjustment apparatus structure is simple, reduces the difficulty of manufacturing process, has been convenient to batch production.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. an eyepiece diopter adjustment device, is characterized in that, comprising:
Eyepiece stalk (1), described eyepiece stalk (1) outer wall is provided with the helicla flute (11) being surrounded on axis direction;
Eyepiece connecting cylinder (2), described eyepiece connecting cylinder (2) is socketed on the outer wall of described eyepiece stalk (1), affixedly on described eyepiece connecting cylinder (2) inwall be provided with fixed block (21), described fixed block (21) is arranged in described helicla flute (11).
2. eyepiece diopter adjustment device as claimed in claim 1, it is characterized in that, also comprise the adjustment barrel (3) be socketed on described eyepiece connecting cylinder (2) outer wall, described adjustment barrel (3) one end inwall is provided with retainer ring (31), described retainer ring (31) outer wall and described adjustment barrel (3) inwall affixed, described retainer ring (31) inwall and described eyepiece stalk (1) one end outer wall affixed.
3. eyepiece diopter adjustment device as claimed in claim 2, it is characterized in that, described eyepiece stalk (1) one end outer wall is provided with stressed ring (12), described stressed ring (12) inwall and described eyepiece stalk (1) outer wall affixed, and the affixed and described retainer ring in described stressed ring (12) side (31) is affixed.
4. eyepiece diopter adjustment device as claimed in claim 3, it is characterized in that, described eyepiece connecting cylinder (2) is provided with fixing hole, described fixing hole cross-sectional width is greater than described helicla flute (11) cross-sectional width, and described fixed block (21) is arranged in described fixing hole and helicla flute (11).
5. eyepiece diopter adjustment device as claimed in claim 4, it is characterized in that, described fixed block (21) comprises the fixing head being arranged at its upper end and the guide post being fixed in fixing head bottom surface, described fixing head thickness is identical with described eyepiece connecting cylinder (2) wall thickness, and described guide post bottom is arranged in described helicla flute (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042377.3U CN204636294U (en) | 2015-01-21 | 2015-01-21 | A kind of eyepiece diopter adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042377.3U CN204636294U (en) | 2015-01-21 | 2015-01-21 | A kind of eyepiece diopter adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204636294U true CN204636294U (en) | 2015-09-16 |
Family
ID=54089082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042377.3U Active CN204636294U (en) | 2015-01-21 | 2015-01-21 | A kind of eyepiece diopter adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204636294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109645956A (en) * | 2018-12-25 | 2019-04-19 | 重庆远视科技有限公司 | Detecting eye diopter measuring device |
-
2015
- 2015-01-21 CN CN201520042377.3U patent/CN204636294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109645956A (en) * | 2018-12-25 | 2019-04-19 | 重庆远视科技有限公司 | Detecting eye diopter measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204636294U (en) | A kind of eyepiece diopter adjustment device | |
| CN108931841A (en) | A kind of objective lens device and microscope | |
| CN205094524U (en) | Fixed convenient fine setting eye speculum | |
| CN208726559U (en) | A kind of Phototherapeutic instrument input angle regulating mechanism | |
| CN201609359U (en) | Comprehensive optometry instrument | |
| CN105571621B (en) | A kind of code-disc aligning device and aligning method | |
| CN203941340U (en) | Interpupillary distance interlock stereomicroscope | |
| CN207807105U (en) | A kind of quick tapping device of leg of spectacles | |
| CN211577556U (en) | Microscope for hair transplantation | |
| CN207380335U (en) | A kind of light microscope of Driven by Ultrasonic Motors | |
| CN213814122U (en) | Optical microscope convenient to use | |
| CN207396844U (en) | A kind of eyepiece convenient for adjusting | |
| CN213423594U (en) | Pupil distance adjusting double-three-eye observation head | |
| CN205785253U (en) | A kind of code-disc aligning device | |
| CN206112621U (en) | Shot -light optical components adjusts structure | |
| CN209388023U (en) | A kind of applicable microscope of more scenes convenient for adjusting height | |
| CN204575940U (en) | A kind of axis light wedge device | |
| CN205333961U (en) | Rotatory centrifugal microscope device | |
| CN208769757U (en) | A kind of dedicated adjustable slit-lamp of ophthalmology | |
| CN209070221U (en) | A kind of telescope ocular regulating mechanism | |
| CN204740397U (en) | Slit lamp eyepiece graticule of focusing | |
| CN205072830U (en) | A elevating system for slit -lamp microscope | |
| CN206102615U (en) | Otolaryngological inspectoscope | |
| CN109611725B (en) | Shadowless lamp for digestive tract surgical operation | |
| CN211206951U (en) | Telescope stretching cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |