CN209674096U - A kind of full balance varifocus objective for surgical operation microscope - Google Patents
A kind of full balance varifocus objective for surgical operation microscope Download PDFInfo
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- CN209674096U CN209674096U CN201920653482.9U CN201920653482U CN209674096U CN 209674096 U CN209674096 U CN 209674096U CN 201920653482 U CN201920653482 U CN 201920653482U CN 209674096 U CN209674096 U CN 209674096U
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- objective
- lens barrel
- surgical operation
- operation microscope
- lens
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Abstract
The utility model discloses a kind of full balance varifocus objectives for surgical operation microscope, including the objective tube being made of the first lens barrel and the second lens barrel, first lens barrel is arranged below the second lens barrel, it is connected and fixed between first lens barrel and the second lens barrel by the first screw, object lens mechanism is equipped with inside the objective tube, the object lens mechanism includes the first objective lens unit being arranged in inside the first lens barrel and the second objective lens unit being arranged in inside the second lens barrel, the utility model adjusts bad drawback for the prior art and improves, upper and lower driving force is generated by setting pin arching trajectory, guide member is cooperated to be oriented to again, microscope base will not shift when moving up and down, motion process accurate comfort, to change the first objective holder between the second objective holder at a distance from, realize Zoom effect, it is practical.
Description
Technical field
The utility model relates to surgical operation microscope technical field, specifically a kind of full balance zoom for surgical operation microscope
Object lens.
Background technique
The object lens of present operation mirror are generally single object lens, and operating distance is fixed from zoom, when object space changes
Object lens must be moved when change to be observed, and working efficiency is influenced.Varifocus objective can make in certain working range, only
Varifocus objective, which need to be adjusted, can observe object, improve working efficiency.Zoom group move mode is eyeglass with hand wheel rotating, is passed through
Curved groove moves, and eyeglass rotates in moving process, be easy to cause the offset of imaging center.Another varifocus objective,
It is moved up and down by guide rail, but precision is poor.
In view of the above-mentioned problems, there is presently provided a kind of full balance varifocus objective for surgical operation microscope.
Utility model content
The utility model proposes a kind of full balance zoom object for surgical operation microscope mainly for prior art deficiency
Mirror.
To achieve the above object, the utility model provides the following technical solutions:
A kind of full balance varifocus objective for surgical operation microscope, including the object lens being made of the first lens barrel and the second lens barrel
Cylinder, first lens barrel are arranged below the second lens barrel, are connected between first lens barrel and the second lens barrel by the first screw
It is fixed, object lens mechanism is equipped with inside the objective tube, the object lens mechanism includes the first object lens being arranged in inside the first lens barrel
Component and the second objective lens unit being arranged in inside the second lens barrel；
Second objective lens unit includes the second objective holder being fixed inside the second lens barrel；
Monolithic is equipped with inside second objective holder and the second glue pellet that spacing is disposed there above, the monolithic and the
It is separated between two glue pellets by spacer ring, the protrusion of the monolithic lower end outside and the second objective holder inner wall offsets；
First objective lens unit includes that the first object lens that can be moved up and down inside the first lens barrel and along its inner cavity are arranged in
Seat, the first objective holder inside are equipped with the first glue pellet supported by the first pressing ring, and the first objective lens unit further includes for guiding
The guide member that first objective holder moves up and down；
First objective lens unit further includes the driving mechanism for pushing the first objective holder to move up and down, the driving machine
Structure includes the translot that the first objective holder side is arranged in, the water where the translot arranged direction and the first objective holder upper and lower end face
Plane is parallel, and fixed bearing block is equipped on the first lens barrel where the translot and cooperates the rotation on fixed bearing block
Axis, the rotation axis left end are coaxially provided with drive disk, and the drive disk surface decentration is equipped with the pin being slidably fitted in translot,
The rotation axis outer end is equipped with to hold the handwheel of cylindrical shape.
As a further solution of the present invention: the guide member includes running through to have the first objective holder upper and lower end face
At least one pilot hole and the linear bearing being arranged in pilot hole are sliding combined with guide post, the guide post in linear bearing
Lower end is connect with lower rotation in the first lens barrel.
As a further solution of the present invention: the guide member can also be to be arranged on the outside of the first objective holder
Slide protrusion and the guide chute being arranged in inside the first lens barrel.
As a further solution of the present invention: the handwheel end is equipped with connecting hole, it is equipped with and uses in the connecting hole
In the second screw of connection handwheel and rotation axis, the first washer is equipped in second screw and connecting hole between bottom, it is described
Cooperation is equipped with rubber head at connecting hole port.
As a further solution of the present invention: being equipped on the outside of the handwheel for screwing in nestled bolt to handwheel and turning
What the position of moving axis was positioned screws hole.
As a further solution of the present invention: being equipped with the 4th pad between the drive disk and fixed bearing block end
Circle.
As a further solution of the present invention: the fixed bearing block is detachable by third screw and the first lens barrel
Connection, the first lens barrel inside are equipped with the cushion block matched with third screw, and cushion block is equipped with the spiral shell screwed in third screw
Hole.
As a further solution of the present invention: the first lens barrel lower port is detachably equipped with capping.
As a further solution of the present invention: being equipped with second packing ring and third pad between the handwheel and bearing block
Circle.
Compared with prior art, the utility model has the beneficial effects that the utility model is bad for prior art adjusting
The drawbacks of improve, by setting pin arching trajectory generate above and below driving force, then guide member is cooperated to be oriented to, mirror
Seat will not shift when moving up and down, motion process accurate comfort, to change between the first objective holder and the second objective holder
Distance, realize Zoom effect, it is practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: including rear cover 1, the first lens barrel 2, the first pressing ring 3, the first glue pellet 4, the first objective holder 5, guide post 6, first
Screw 7, monolithic 8, spacer ring 9, the second glue pellet 10, the second objective holder 11, the second lens barrel 12, the second pressing ring 13, shaft fixing block
14, rotation axis 15, handwheel 16, the second screw 17, the first washer 18, rubber head 19, screw hole 20, second packing ring 21, third washer
22, the 4th washer 23, third screw 24, cushion block 25, pin 26, linear bearing 27.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, in the utility model embodiment, a kind of full balance varifocus objective for surgical operation microscope, including
The objective tube being made of the first lens barrel 2 and the second lens barrel 12, first lens barrel 2 are arranged below the second lens barrel 12, and described the
It is connected and fixed between one lens barrel 2 and the second lens barrel 12 by the first screw 7, the replacement in later period, institute are convenient in this detachable setting
State and be equipped with object lens mechanism inside objective tube, the object lens mechanism include be arranged in the first objective lens unit the first lens barrel 2 inside with
The second objective lens unit inside second lens barrel 12 is set.
Second objective lens unit includes the second objective holder 11 being fixed inside the second lens barrel 12, second object
Be equipped with the second glue pellet 10 that monolithic 8 and spacing are disposed there above inside microscope base 11, the monolithic 8 and the second glue pellet 10 it
Between separated by spacer ring 9, the protrusion of 8 lower end outside of monolithic and 11 inner wall of the second objective holder offsets, in the second glue pellet 10
End fixation is pressed by the second pressing ring 13.
First objective lens unit includes the first object lens that 2 inside of the first lens barrel is arranged in and can move up and down along its inner cavity
Seat 5 is equipped with the first glue pellet 4 supported by the first pressing ring 3 inside first objective holder 5, and the first objective lens unit further includes being used for
The guide member for guiding the first objective holder 5 to move up and down.
The guide member includes leading through at least one pilot hole and setting for having 5 upper and lower end face of the first objective holder
The linear bearing 27 of Xiang Kongzhong is sliding combined with guide post 6, bottom in 6 lower end of guide post and the first lens barrel 2 in linear bearing 27
Rotation connection.
The guide member can also be that the slide protrusion in 5 outside of the first objective holder is arranged in and is arranged in the first lens barrel 2
Internal guide chute.
First objective lens unit further includes the driving mechanism for pushing the first objective holder 5 to move up and down, the driving
Mechanism includes the translot that 5 side of the first objective holder is arranged in, where the translot arranged direction and 5 upper and lower end face of the first objective holder
Horizontal plane it is parallel, be equipped on the first lens barrel 2 where the translot fixed bearing block 14 and cooperation in fixed bearing block
Rotation axis 15 on 14, the fixed bearing block 14 are detachably connected by third screw 24 with the first lens barrel 2, first mirror
2 inside of cylinder is equipped with the cushion block 25 matched with third screw 24, and cushion block 25 is equipped with the screw hole screwed in third screw 24, described
15 left end of rotation axis is coaxially provided with drive disk, is equipped with the 4th washer 23, the drive between 14 end of drive disk and fixed bearing block
Moving plate surface decentration is equipped with the pin 26 being slidably fitted in translot, and 15 outer end of rotation axis is equipped with to hold cylindrical shape
Handwheel 16,16 end of handwheel is equipped with connecting hole, is equipped in the connecting hole for connecting handwheel 16 and rotation axis 15
Second screw 17 is equipped with the first washer 18 in second screw 17 and connecting hole, matches at the connecting hole port between bottom
It closes and is equipped with rubber head 19, be equipped on the outside of the handwheel 16 and the position of handwheel 16 and rotation axis 15 is determined for screwing in nestled bolt
Position screws hole 20, by screwing in bolt in screwing hole 20, so that bolt end resists 15 surface of rotation axis, thus anti-rotation stop
The problem of moving axis 15 and handwheel 16 relatively rotate.
First lens barrel, 2 lower port is detachably equipped with capping 1.
Second packing ring 21 and third washer 22 are equipped between the handwheel 16 and bearing block 14.
When needing to adjust the height of the first objective holder 5, rotation axis 15 and the driving of its end are driven by handwheel 16
Disk rotation, the pin 26 for being eccentrically set on driving panel surface can also circle, and pin 26 can be to the first object by translot
Microscope base 5 generates active force upwardly or downwardly, then cooperates the guidance of guide member, so that the first objective holder 5 can be
It is moved up and down inside first lens barrel 2, to adjust the distance between the first objective holder 5 and the second objective holder 11, compared to traditional
For regulative mode, the regulative mode of the application is more steady, and effect is more preferable.
First objective holder 5 is 3-15mm at a distance from the second objective holder, and the distance of the second objective holder to end face is 2-
14mm。
The zooming range of object lens is 200-350mm.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of full balance varifocus objective for surgical operation microscope, including be made of the first lens barrel (2) and the second lens barrel (12)
Objective tube, first lens barrel (2) setting is below the second lens barrel (12), first lens barrel (2) and the second lens barrel (12)
Between be connected and fixed by the first screw (7), object lens mechanism is equipped with inside the objective tube, the object lens mechanism includes that setting exists
The first internal objective lens unit of first lens barrel (2) and setting second objective lens unit internal in the second lens barrel (12)；
It is characterized in that, second objective lens unit includes being fixed at the second internal objective holder of the second lens barrel (12)
(11)；
The second glue pellet (10) being disposed there above inside second objective holder (11) equipped with monolithic (8) and spacing, it is described
It is separated between monolithic (8) and the second glue pellet (10) by spacer ring (9), monolithic (8) lower end outside and the second objective holder
(11) protrusion of inner wall offsets, and fixation is pressed by the second pressing ring (13) in the second glue pellet (10) upper end；
First objective lens unit includes setting in the first objective holder that the first lens barrel (2) is internal and can move up and down along its inner cavity
(5), the first glue pellet (4) supported by the first pressing ring (3) is equipped with inside the first objective holder (5), the first objective lens unit also wraps
Include the guide member for guiding the first objective holder (5) to move up and down；
First objective lens unit further includes the driving mechanism for pushing the first objective holder (5) to move up and down, the driving machine
Structure includes translot of the setting in the first objective holder (5) side, the translot arranged direction and the first objective holder (5) upper and lower end face institute
Horizontal plane it is parallel, be equipped on the first lens barrel (2) where the translot fixed bearing block (14) and cooperation in fixation
Rotation axis (15) on bearing block (14), rotation axis (15) left end are coaxially provided with drive disk, the drive disk surface decentration
Equipped with the pin (26) being slidably fitted in translot.
2. the full balance varifocus objective according to claim 1 for surgical operation microscope, which is characterized in that the rotation axis
(15) outer end is equipped with convenient for holding the handwheel (16) of cylindrical shape.
3. the full balance varifocus objective according to claim 1 for surgical operation microscope, which is characterized in that the guide portion
Part includes through the linear bearing for having at least one pilot hole of the first objective holder (5) upper and lower end face and being arranged in pilot hole
(27), it is sliding combined with guide post (6) in linear bearing (27), guide post (6) lower end and the first lens barrel (2) interior lower rotation connect
It connects.
4. the full balance varifocus objective according to claim 1 for surgical operation microscope, which is characterized in that the guide portion
Part can also be the guide chute of the slide protrusion being arranged on the outside of the first objective holder (5) and setting in the first lens barrel (2) inside.
5. the full balance varifocus objective according to claim 2 for surgical operation microscope, which is characterized in that the handwheel
(16) end is equipped with connecting hole, and the second screw for connecting handwheel (16) and rotation axis (15) is equipped in the connecting hole
(17), the first washer (18) are equipped between bottom in second screw (17) and connecting hole, cooperated at the connecting hole port
Equipped with rubber head (19).
6. the full balance varifocus objective according to claim 5 for surgical operation microscope, which is characterized in that the handwheel
(16) outside, which is equipped with, screws hole (20) to what the position of handwheel (16) and rotation axis (15) was positioned for screwing in nestled bolt.
7. the full balance varifocus objective according to claim 1 for surgical operation microscope, which is characterized in that the drive disk
The 4th washer (23) is equipped between fixed bearing block (14) end.
8. the full balance varifocus objective according to claim 1 for surgical operation microscope, which is characterized in that the fixing axle
It holds seat (14) to be detachably connected by third screw (24) with the first lens barrel (2), the first lens barrel (2) inside is equipped with and third
The cushion block (25) that screw (24) matches, cushion block (25) are equipped with the screw hole screwed in third screw (24).
9. -8 any full balance varifocus objective for surgical operation microscope according to claim 1, which is characterized in that described
First lens barrel (2) lower port is detachably equipped with capping (1).
10. the full balance varifocus objective according to claim 5 or 6 for surgical operation microscope, which is characterized in that the hand
It takes turns and is equipped with second packing ring (21) and third washer (22) between (16) and bearing block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653482.9U CN209674096U (en) | 2019-05-08 | 2019-05-08 | A kind of full balance varifocus objective for surgical operation microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653482.9U CN209674096U (en) | 2019-05-08 | 2019-05-08 | A kind of full balance varifocus objective for surgical operation microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674096U true CN209674096U (en) | 2019-11-22 |
Family
ID=68574962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920653482.9U Active CN209674096U (en) | 2019-05-08 | 2019-05-08 | A kind of full balance varifocus objective for surgical operation microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209674096U (en) |
-
2019
- 2019-05-08 CN CN201920653482.9U patent/CN209674096U/en active Active
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