CN203405619U - Ocular lens interpupillary distance adjusting device used for operation microscope - Google Patents
Ocular lens interpupillary distance adjusting device used for operation microscope Download PDFInfo
- Publication number
- CN203405619U CN203405619U CN201320521931.7U CN201320521931U CN203405619U CN 203405619 U CN203405619 U CN 203405619U CN 201320521931 U CN201320521931 U CN 201320521931U CN 203405619 U CN203405619 U CN 203405619U
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- CN
- China
- Prior art keywords
- interpupillary distance
- gear
- lens barrel
- eyepiece
- jackscrew
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- 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 - Lifetime
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Abstract
The utility model belongs to an application part of an operation microscope, in particular relates to an ocular lens interpupillary distance adjusting device used for the operation microscope. The ocular lens interpupillary distance adjusting device used for the operation microscope is based on the jackscrew assemblies and gear structures; the gear structures are fixed together with the eyepiece sleeves of the operation microscope and are connected with a mirror bracket; one ends of the jackscrew assemblies are arranged in a hole of the mirror bracket, and the other ends extrude the protrusions of the gear structure. By rotating a knob, the jackscrews go forward along an axial direction, and push the gear structures to rotate, so that the left and right eyepiece sleeves move relatively, and the purpose of adjusting the interpupillary distances of the oculars is achieved. Compared with the conventional ocular lens interpupillary distance adjusting device used for the operation microscope, the ocular lens interpupillary distance adjusting device used for the operation microscope has the following advantages of being simple in mechanical structure, small and light in size and low in cost, not having high requirements for the processing accuracy of a gear and for the assembly accuracy of assemblies of the whole device.
Description
Technical field
The utility model belongs to application component on a kind of surgical operation microscope, is specifically related to eyepiece interpupillary distance adjusting gear for a kind of surgical operation microscope.
Background technology
When doctor uses surgical operation microscope to carry out operation, by eyepiece, observe patient's focus, because human eye interpupillary distance is different, in order to guarantee the operation versatility of surgical operation microscope, different users can observe lesion image accurately, easily, and surgical operation microscope arranges the use needs that eyepiece interpupillary distance adjusting gear meets different doctors.
What traditional surgical operation microscope interpupillary distance adjusting gear adopted is drive structure of gear worm, as shown in Figure 1 and Figure 2, wherein Fig. 1 is that front view, Fig. 2 of traditional operation microscope interpupillary distance adjusting gear are the cut-open view of A-A face in Fig. 1, wherein 1,2 is respectively left and right eyepiece stalk; 3,4 interpupillary distances that are respectively left and right lens barrel are adjusted gear; 5 is worm screw; 7 is gearing, transmission gear 6 and worm gear 8, consists of.Worm screw 5 and worm gear 8 engagements, transmission gear 6 is adjusted gear 4 engagements with the interpupillary distance of right lens-barrel, the interpupillary distance of left lens barrel is adjusted gear 3 and is adjusted gear 4 engagements with the interpupillary distance of right lens-barrel, by rotary worm 5, drive worm gear 8 to rotate, worm gear 8 is by gearing 7 band nutating gear 6 motions, transmission gear 6 motions drive the interpupillary distance of right lens-barrel to adjust gear 4 and rotate, the interpupillary distance of right lens-barrel is adjusted interpupillary distance adjustment gear 3 motions that gear 4 drives left lens barrel, thereby realize left and right lens barrel relative motion, reach the object that interpupillary distance is adjusted.
Traditional surgical operation microscope interpupillary distance adjusting gear has following shortcoming:
1. bulky, complex structure, heaviness and cost are high;
2. pair worm and gear requirement on machining accuracy is higher;
3. assembly precision requirement is high, and difficulty is large.
Summary of the invention
The purpose of this utility model is to provide eyepiece interpupillary distance adjusting gear for a kind of surgical operation microscope, and this eyepiece interpupillary distance adjusting gear adopts jackscrew assembly and gear structure, and gear structure and surgical operation microscope eyepiece stalk are fixed together, and are connected with mirror holder; Jackscrew assembly one end is arranged in the hole of mirror holder, the projection of other end extruding gear structure; By rotation knob, make jackscrew along its axial advancement, and promote gear structure rotation, thereby make left and right eyepiece stalk relative motion, thereby and reach the object that eyepiece interpupillary distance is adjusted.
The utility model is to realize like this, eyepiece interpupillary distance adjusting gear for a kind of surgical operation microscope, it comprises left eyepiece lens barrel, right eyepiece lens barrel, the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance of gear and right eyepiece lens barrel and is adjusted gear, it is intermeshing that the interpupillary distance adjustment gear of left eyepiece lens barrel and the interpupillary distance of right eyepiece lens barrel are adjusted gear, the interpupillary distance that the interpupillary distance of left eyepiece lens barrel is adjusted gear and right eyepiece lens barrel adjust gear respectively with left eyepiece lens barrel, right eyepiece lens barrel is connected by screw, one end that the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance adjustment gear of gear and right eyepiece lens barrel is respectively equipped with left projection, right projection, it also comprises right eyepiece stalk knob jackscrew assembly and mirror holder, right eyepiece stalk knob jackscrew assembly is connected on mirror holder through the hole of mirror holder, left eyepiece stalk jackscrew assembly is fixed on a side of the interpupillary distance adjustment gear of left eyepiece lens barrel.
Described left eyepiece stalk jackscrew assembly is placed on the hole in mirror holder, and left jackscrew pushes left stage clip and puts into together hole.
Described right eyepiece stalk knob jackscrew assembly comprises attachment screw, knob, shell, threaded and at top, have right jackscrew, threaded connector, first pad, right stage clip, U-shaped back-up ring, second pad of rectangular channel, knob is connected by screw with right jackscrew, shell is connected with mirror holder by hole with threaded connector, and shell, mirror holder are by connecting; Shell, threaded connector, first pad, second pad and right stage clip are axially arranged on right jackscrew successively; Right jackscrew is threaded with threaded connector, and top rectangular groove is placed U-shaped back-up ring; First pad is placed on shell one end, and right stage clip one end contacts with first pad, and the other end contacts with second pad; Second pad contacts with U-shaped back-up ring.
The utility model has the advantages that, compared following advantage with traditional surgical operation microscope eyepiece interpupillary distance adjusting gear: physical construction is simple, and volume is little, light and cost is low; Not high to the requirement on machining accuracy of gear; Not high to each assembled accuracy requirement of whole device.
Accompanying drawing explanation
Fig. 1 is traditional operation microscope interpupillary distance adjusting gear front view;
Fig. 2 is that Fig. 1 is at the cut-open view of A-A face;
Fig. 3 is eyepiece interpupillary distance adjusting gear upward view for a kind of surgical operation microscope provided by the utility model;
Fig. 4 is eyepiece interpupillary distance adjusting gear axis side view for a kind of surgical operation microscope provided by the utility model; .
Fig. 5 is eyepiece interpupillary distance adjusting gear right view for a kind of surgical operation microscope provided by the utility model;
Fig. 6 is that Fig. 5 is at the cut-open view of C-C face;
Fig. 7 is the schematic diagram of left eyepiece stalk jackscrew assembly in Fig. 6;
Fig. 8 is the schematic diagram of right eyepiece stalk knob jackscrew assembly in Fig. 6;
Fig. 9 is gear assembly schematic diagram.
In figure, 1 left eyepiece stalk, 2 right eyepiece stalks, the interpupillary distance on 3 left sides is adjusted gear, the interpupillary distance of 4 right lens-barrels is adjusted gear, 5 is worm screw, 6 transmission gears, 7 gearings, 8 worm gears, 11 left eyepiece lens barrels, 12 right eyepiece lens barrels, the interpupillary distance of 13 left eyepiece lens barrels is adjusted gear, the interpupillary distance of 14 right eyepiece lens barrels is adjusted gear, 15 right eyepiece stalk knob jackscrew assemblies, 16 mirror holders, 17 left eyepiece stalk jackscrew assemblies, 18 holes, 131 left projections, 141 right projections, 151 attachment screws, 152 knobs, 153 central axis, 154 shells, 155 right jackscrews, 156 threaded connectors, 157 first pads, 158 right stage clips, 159U type back-up ring, 160 second pads, 171 holes, 172 left stage clips, 173 left jackscrews.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail:
As Fig. 3, Fig. 4, shown in Fig. 5, a kind of surgical operation microscope comprises left eyepiece lens barrel 11 with eyepiece interpupillary distance adjusting gear, right eyepiece lens barrel 12, the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance of gear 13 and right eyepiece lens barrel and is adjusted gear 14, it is intermeshing that the interpupillary distance adjustment gear 13 of left eyepiece lens barrel and the interpupillary distance of right eyepiece lens barrel are adjusted gear 14, the interpupillary distance that simultaneously interpupillary distance of left eyepiece lens barrel is adjusted gear 13 and right eyepiece lens barrel adjust gear 14 respectively with left eyepiece lens barrel 11, right eyepiece lens barrel 12 is connected by screw, one end that the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance adjustment gear 14 of gear 13 and right eyepiece lens barrel has respectively one left protruding 131, right protruding 141.
Fig. 6 be Fig. 5 at the cut-open view of C-C face, right eyepiece stalk knob jackscrew assembly 15 is connected on mirror holder 16 through the hole 18 of mirror holder 16, the interpupillary distance that left eyepiece stalk jackscrew assembly 17 is fixed on left eyepiece lens barrel is adjusted a side of gear 13.
Fig. 7 is the schematic diagram of left eyepiece stalk jackscrew assembly 17 in Fig. 6, the hole that left eyepiece stalk jackscrew assembly 17 is placed in mirror holder 16, and left jackscrew 173 pushes left stage clips 172 and puts into together hole 171.
Fig. 8 is the schematic diagram of right eyepiece stalk knob jackscrew assembly 15 in Fig. 6, it comprises attachment screw 151, knob 152, central axis 153, shell 154, threaded and at top, have right jackscrew 155, a threaded connector 156 of rectangular channel, first pad 157, right stage clip 158, U-shaped back-up ring 159, second pad 160.
Knob 152 is connected by screw 151 with right jackscrew 155, and shell 154 is connected with mirror holder 16 by hole 18 with threaded connector 156, and shell 154, mirror holder 16 are by connecting; Shell 154, threaded connector 156, first pad 157, second pad 160 and right stage clip 158 are axially arranged on right jackscrew 155 successively; Right jackscrew 155 is threaded with threaded connector 156, and top rectangular groove is placed U-shaped back-up ring 159; First pad 157 is placed on shell 154 one end, and right stage clip 158 one end contact with first pad 157, and the other end contacts with second pad 160; Second pad 160 contacts with U-shaped back-up ring 159, and first pad 157 and 160 pairs of right stage clips 158 of second pad apply axial compression power, make it be compressive state.
Use procedure of the present utility model is as follows:
As Fig. 3, the knob 152 that passes through rotation jackscrew assembly 15 shown in Fig. 6, right jackscrew 155 is moved axially, promote right eyepiece stalk interpupillary distance and adjust gear right protruding 141, make right eyepiece stalk interpupillary distance adjust gear 14 motions, thereby drive left eyepiece stalk interpupillary distance to adjust gear 13 motions, thereby make left eyepiece stalk 11, right eyepiece stalk 12 relative motions, and left stage clip 172, right stage clip, 158 by left jackscrew 173, the interpupillary distance of 155 pairs of left eyepiece lens barrels of right jackscrew is adjusted gear 13, the interpupillary distance of right eyepiece lens barrel is adjusted left protruding 131 of gear 14, right protruding 141 apply axial force, guarantee left eyepiece adjustment gear 13, the instantaneous state that right eyepiece is adjusted gear 14 does not change, thereby reach the object that interpupillary distance is adjusted.
Claims (3)
1. eyepiece interpupillary distance adjusting gear for a surgical operation microscope, it is characterized in that: it comprises left eyepiece lens barrel (11), right eyepiece lens barrel (12), the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance of gear (13) and right eyepiece lens barrel and is adjusted gear (14), it is intermeshing that the interpupillary distance adjustment gear (13) of left eyepiece lens barrel and the interpupillary distance of right eyepiece lens barrel are adjusted gear (14), the interpupillary distance adjustment gear (14) that the interpupillary distance of left eyepiece lens barrel is adjusted gear (13) and right eyepiece lens barrel respectively with left eyepiece lens barrel (11), right eyepiece lens barrel (12) is connected by screw, one end that the interpupillary distance of left eyepiece lens barrel is adjusted the interpupillary distance adjustment gear (14) of gear (13) and right eyepiece lens barrel is respectively equipped with left projection (131), right projection (141), it also comprises right eyepiece stalk knob jackscrew assembly (15) and mirror holder (16), right eyepiece stalk knob jackscrew assembly (15) is connected on mirror holder (16) through the hole (18) of mirror holder (16), left eyepiece stalk jackscrew assembly (17) is fixed on a side of the interpupillary distance adjustment gear (13) of left eyepiece lens barrel.
2. eyepiece interpupillary distance adjusting gear for a kind of surgical operation microscope as claimed in claim 1, it is characterized in that: described left eyepiece stalk jackscrew assembly (17) is placed on the hole in mirror holder (16), left jackscrew (173) pushes left stage clip (172) and puts into together hole (171).
3. eyepiece interpupillary distance adjusting gear for a kind of surgical operation microscope as claimed in claim 1, it is characterized in that: described right eyepiece stalk knob jackscrew assembly (15) comprises attachment screw (151), knob (152), shell (154), threaded and at top, have a right jackscrew (155) of rectangular channel, threaded connector (156), first pad (157), right stage clip (158), U-shaped back-up ring (159), second pad (160), knob (152) is connected by screw (151) with right jackscrew (155), shell (154) is connected with mirror holder (16) by hole (18) with threaded connector (156), shell (154), mirror holder (16) is by connecting, shell (154), threaded connector (156), first pad (157), second pad (160) and right stage clip (158) are axially arranged on right jackscrew (155) successively, right jackscrew (155) is threaded with threaded connector (156), and top rectangular groove is placed U-shaped back-up ring (159), first pad (157) is placed on shell (154) one end, and right stage clip (158) one end contacts with first pad (157), and the other end contacts with second pad (160), second pad (160) contacts with U-shaped back-up ring (159).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521931.7U CN203405619U (en) | 2013-08-23 | 2013-08-23 | Ocular lens interpupillary distance adjusting device used for operation microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521931.7U CN203405619U (en) | 2013-08-23 | 2013-08-23 | Ocular lens interpupillary distance adjusting device used for operation microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405619U true CN203405619U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320521931.7U Expired - Lifetime CN203405619U (en) | 2013-08-23 | 2013-08-23 | Ocular lens interpupillary distance adjusting device used for operation microscope |
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| Country | Link |
|---|---|
| CN (1) | CN203405619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361446A (en) * | 2015-07-24 | 2017-02-01 | 徕卡仪器（新加坡）有限公司 | Pivotable optical assembly for a surgical microscope, in particular 0DEG-assistant's device, and a retaining system therefor |
| CN107913107A (en) * | 2016-10-08 | 2018-04-17 | 上海安信光学仪器制造有限公司 | 3D helmet-type operating microscope systems |
-
2013
- 2013-08-23 CN CN201320521931.7U patent/CN203405619U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361446A (en) * | 2015-07-24 | 2017-02-01 | 徕卡仪器（新加坡）有限公司 | Pivotable optical assembly for a surgical microscope, in particular 0DEG-assistant's device, and a retaining system therefor |
| CN107913107A (en) * | 2016-10-08 | 2018-04-17 | 上海安信光学仪器制造有限公司 | 3D helmet-type operating microscope systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |