CN203915221U - The object lens hydraulic adjustment device of ophthalmic operating microscope - Google Patents
The object lens hydraulic adjustment device of ophthalmic operating microscope Download PDFInfo
- Publication number
- CN203915221U CN203915221U CN201420310653.5U CN201420310653U CN203915221U CN 203915221 U CN203915221 U CN 203915221U CN 201420310653 U CN201420310653 U CN 201420310653U CN 203915221 U CN203915221 U CN 203915221U
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- CN
- China
- Prior art keywords
- piston cylinder
- sleeve
- rodless cavity
- object lens
- objective tube
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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 - Fee Related
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Abstract
The object lens hydraulic adjustment device of ophthalmic operating microscope, comprise the objective tube being fixedly mounted on microscope body, it is characterized in that, in described objective tube, slide axially sleeve is installed, described internal thread of sleeve is provided with object lens, the end of described sleeve has a boss, is provided with the first Compress Spring between the end face of described boss and microscope body, between the outer surface of described sleeve and described objective tube, forms hydraulic fluid chamber, the foot position of described microscope body is provided with a piston cylinder, in described piston cylinder, be slidably fitted with a piston with piston rod, described piston rod stretches out described piston cylinder and connects the pedal of the described reciprocating motion of the pistons of a driving, in the rodless cavity of described piston cylinder, be provided with the second Compress Spring, the rodless cavity of described piston cylinder connects fuel tank by the first check valve, the rodless cavity of described piston cylinder is communicated with described hydraulic fluid chamber by two position, three-way electromagnetic change valve, between the rodless cavity of described piston cylinder and two position, three-way electromagnetic change valve, be provided with the second check valve, control the switch of described two position, three-way electromagnetic change valve commutation near described pedal position.
Description
Technical field
This utility model relates to armarium technical field, relates in particular to a kind of object lens hydraulic adjustment device of ophthalmic operating microscope.
Background technology
Ophthalmic operating microscope object lens are mainly made up of optical system (as binocular, Zhu Shoujing, object lens and zoom amplification system thereof), illuminator, regulating system and mounting system, and binocular is connected with main body by straight, three kinds of connected modes of inclined and type variable.Wherein the binocular ophthalmic operating microscope use of inclined is more, and along with scientific and technological development, many group binoculars conventionally can be installed in a main body simultaneously, with easy to use.But, in operation process, change after one group of binocular, need to adjust accordingly object lens, to reach imaging effect clearly, doctor oneself or assistant make with the hands to adjust the vernier knob of object lens conventionally, use and have inconvenience.
Therefore, based on above-mentioned defect, in armarium technical field, still there is research and improved demand for ophthalmic operating microscope object lens, this is also study hotspot and emphasis in current armarium technical field, the starting point that this utility model is accomplished especially and power place.
Summary of the invention
For many defects of above-mentioned existence, the inventor, through a large amount of further investigations, is paying after sufficient creative work, thereby is completing this utility model.
Particularly, technical problem to be solved in the utility model is: a kind of object lens hydraulic adjustment device of ophthalmic operating microscope is provided, when adjustment, does not take user both hands, and easy to operate.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of object lens hydraulic adjustment device of ophthalmic operating microscope is provided, the object lens hydraulic adjustment device of described ophthalmic operating microscope comprises the objective tube being fixedly mounted on microscope body, in described objective tube, slide axially sleeve is installed, described internal thread of sleeve is provided with object lens, the end of described sleeve has a boss, between the end face of described boss and microscope body, be provided with the first Compress Spring, between the outer surface of described sleeve and described objective tube, form hydraulic fluid chamber, the foot position of described microscope body is provided with a piston cylinder, in described piston cylinder, be slidably fitted with a piston with piston rod, described piston rod stretches out described piston cylinder and connects the pedal of the described reciprocating motion of the pistons of a driving, in the rodless cavity of described piston cylinder, be provided with the second Compress Spring, the rodless cavity of described piston cylinder connects fuel tank by the first check valve, the rodless cavity of described piston cylinder is communicated with described hydraulic fluid chamber by two position, three-way electromagnetic change valve, between the rodless cavity of described piston cylinder and two position, three-way electromagnetic change valve, be provided with the second check valve, control the switch of described two position, three-way electromagnetic change valve commutation near described pedal position.
In the object lens hydraulic adjustment device of ophthalmic operating microscope of the present utility model, as a kind of optimal technical scheme, between described boss and objective tube and between described objective tube and the outer surface of sleeve, be equipped with sealing ring.
Adopt technique scheme, the beneficial effects of the utility model are: because the foot position at microscope body is provided with pedal and controls the switch that two position, three-way electromagnetic change valve commutates, operator can be with foot control sleeve processed flexible, thereby adjust the movement of object lens, to reach the object of imaging clearly; Again owing to being provided with hydraulic fluid chamber on objective tube, realize the flexible of sleeve by the volume of hydraulic oil in hydraulic fluid chamber, greatly simplify the structure of ophthalmic operating microscope, and due to hydraulic-driven existence and stability, without the advantage such as trembling, thereby imaging definition and the serviceability of ophthalmic operating microscope are improved.
brief description of the drawings
Fig. 1 is the structural representation of this utility model embodiment;
Wherein, in Fig. 1, each number designation refers to respectively following concrete meaning, element or parts.
In figure: 1, microscope body, 2, objective tube, 3, sleeve, 4, boss, 5, object lens, 6, hydraulic fluid chamber, 7, the first Compress Spring, 8, piston cylinder, 9, piston, 10, the second Compress Spring, 11, rodless cavity, 12, piston rod, 13, pedal, 14, fuel tank, 15, the first check valve, 16, the second check valve, 17, two position, three-way electromagnetic change valve, 18, switch, 19, DC source.
detailed description of the invention
Below in conjunction with accompanying drawing; by specific embodiment this utility model is elaborated; but the purposes of these property enumerated embodiments and object are only used for enumerating this utility model; not real protection scope of the present utility model is formed to any type of any restriction, more non-protection domain of the present utility model is confined to this.
As shown in Figure 1, the object lens hydraulic adjustment device of ophthalmic operating microscope described in the utility model, comprise the objective tube 2 being fixedly mounted on microscope body 1, in objective tube 2, slide axially sleeve 3 is installed, sleeve 3 has one end projection lens barrel 2 conventionally, sleeve 3 female threads are provided with object lens 5, the end of sleeve 3 has a boss 4, it is circular that the cross sectional shape of boss 4 is generally, in order to prevent that sleeve 3 from rotating in sliding process, conventionally the cross sectional shape of sleeve 3 external parts is designed to square or oval, and on objective tube 2 with also respective design squarely or the ellipse of cross sectional shape of the suitable outlet of sleeve 3, between the end face of boss 4 and microscope body 1, be provided with the first Compress Spring 7, between the outer surface of sleeve 3 and objective tube 2, form hydraulic fluid chamber 6, the foot position of microscope body 1 is provided with a piston cylinder 8, in piston cylinder 8, be slidably fitted with a piston 9 with piston rod 12, piston rod 12 stretches out piston cylinder 8 and connects the reciprocating pedal 13 of a driven plunger 9, the end of the end of pedal 13 and piston rod 12 is hinged, in the rodless cavity 11 of piston cylinder 8, be provided with the second Compress Spring 10, the rodless cavity 11 of piston cylinder 8 connects fuel tank 14 by the first check valve 15, the rodless cavity 11 of piston cylinder 8 is communicated with hydraulic fluid chamber 6 by two position, three-way electromagnetic change valve 17, between the rodless cavity 11 of piston cylinder 8 and two position, three-way electromagnetic change valve 17, be provided with the second check valve 16, the actuator port connecting fluid pumping cavity 6 of two position, three-way electromagnetic change valve 17, the oil-in of two position, three-way electromagnetic change valve 17 connects piston cylinder 8, the oil return opening of two position, three-way electromagnetic change valve 17 connects fuel tank 14, the switch 18 that control two position, three-way electromagnetic change valve 17 commutates is near pedal 13 positions.
In order to improve the sealing effectiveness of hydraulic fluid chamber 6, between boss 4 and objective tube 2 and between objective tube 2 and the outer surface of sleeve 3, be equipped with sealing ring, certainly, according to the shape of sealed section, sealing ring on boss 4 is O type circle, and the sealing ring in objective tube 2 exits, end adopts sealing joint strip.
When use, two position, three-way electromagnetic change valve 17 is generally the two position, three-way electromagnetic change valve 17 of unicoil spring reset, in the time that switch 18 disconnects DC source 19, under acting force of the spring, spool is communicated with rodless cavity 11 and the hydraulic fluid chamber 6 of piston cylinder 8, under the second Compress Spring 10 effects, operator need to step on pedal 13 repeatedly, and hydraulic oil constantly enters hydraulic fluid chamber 6, promotes sleeve 3 retraction objective tubes 2, compress the first Compress Spring 7, thereby drive object lens 5 away from testee; In the time that switch 18 is communicated with DC source 19, solenoid adhesive, overcome acting force of the spring, spool moves, and hydraulic fluid chamber 6 is communicated with fuel tank 14, under the first Compress Spring 7 effects, hydraulic oil in hydraulic fluid chamber 6 is pressed into fuel tank 14, when operator observes clearly image by eyepiece, cut-off switch 18, makes object lens 5 rest on this position.Whole process does not take operator's both hands, only need to just can operate with foot, has facilitated operator's use.
Although for for example and the object of description, and introduce structure and processing procedure shown in above-mentioned embodiment of the present utility model and accompanying drawing.But these are not detailed descriptions, scope of the present utility model can not be confined to this.For a person skilled in the art, can make numerous modifications and variations to above-mentioned embodiment of the present utility model, and these all amendments and/or variation are all included in as within claim limited range of the present utility model, do not depart from the scope and spirit of the present utility model that limit as claim.
Claims (2)
1. the object lens hydraulic adjustment device of ophthalmic operating microscope, comprise the objective tube being fixedly mounted on microscope body, it is characterized in that, in described objective tube, slide axially sleeve is installed, described internal thread of sleeve is provided with object lens, the end of described sleeve has a boss, is provided with the first Compress Spring between the end face of described boss and microscope body, between the outer surface of described sleeve and described objective tube, forms hydraulic fluid chamber, the foot position of described microscope body is provided with a piston cylinder, in described piston cylinder, be slidably fitted with a piston with piston rod, described piston rod stretches out described piston cylinder and connects the pedal of the described reciprocating motion of the pistons of a driving, in the rodless cavity of described piston cylinder, be provided with the second Compress Spring, the rodless cavity of described piston cylinder connects fuel tank by the first check valve, the rodless cavity of described piston cylinder is communicated with described hydraulic fluid chamber by two position, three-way electromagnetic change valve, between the rodless cavity of described piston cylinder and two position, three-way electromagnetic change valve, be provided with the second check valve, control the switch of described two position, three-way electromagnetic change valve commutation near described pedal position.
2. the object lens hydraulic adjustment device of ophthalmic operating microscope as claimed in claim 1, is characterized in that, between described boss and objective tube and between described objective tube and the outer surface of sleeve, is equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310653.5U CN203915221U (en) | 2014-06-11 | 2014-06-11 | The object lens hydraulic adjustment device of ophthalmic operating microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420310653.5U CN203915221U (en) | 2014-06-11 | 2014-06-11 | The object lens hydraulic adjustment device of ophthalmic operating microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203915221U true CN203915221U (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420310653.5U Expired - Fee Related CN203915221U (en) | 2014-06-11 | 2014-06-11 | The object lens hydraulic adjustment device of ophthalmic operating microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203915221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748118A (en) * | 2022-06-15 | 2022-07-15 | 迈迪威(深圳)实业有限公司 | Chest surgery auxiliary device based on traction distraction and using method |
-
2014
- 2014-06-11 CN CN201420310653.5U patent/CN203915221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748118A (en) * | 2022-06-15 | 2022-07-15 | 迈迪威(深圳)实业有限公司 | Chest surgery auxiliary device based on traction distraction and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |