CN203981968U - Bioconversion medium microscope - Google Patents
Bioconversion medium microscope Download PDFInfo
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- CN203981968U CN203981968U CN201420474436.XU CN201420474436U CN203981968U CN 203981968 U CN203981968 U CN 203981968U CN 201420474436 U CN201420474436 U CN 201420474436U CN 203981968 U CN203981968 U CN 203981968U
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- Prior art keywords
- piston cylinder
- sleeve
- hydraulic fluid
- fluid chamber
- microscope
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Abstract
The utility model discloses a kind of bioconversion medium microscope, belong to education experiment utensil technical field, comprise objective tube, in objective tube, be slidably fitted with vertically sleeve, internal thread of sleeve is provided with object lens, the end of sleeve has a boss, between the end face of boss and microscope body, be provided with the first Compress Spring, between the outside surface of sleeve and objective tube, form hydraulic fluid chamber, hydraulic fluid chamber connects a piston cylinder by oil inlet pipe, in piston cylinder, be slidably fitted with a piston with piston rod, piston rod stretches out piston cylinder and connects the reciprocating pedal of a driven plunger, in the rodless cavity of piston cylinder, be provided with the second Compress Spring, the rodless cavity of piston cylinder connects fuel tank by the first retaining valve, the rodless cavity of piston cylinder is communicated with hydraulic fluid chamber by the second retaining valve, hydraulic fluid chamber connects fuel tank by flowline, and flowline is provided with foot valve.The utility model does not take user's both hands while adjusting, easy to operate, is widely used in bioconversion medium experiment.
Description
Technical field
The utility model relates to education experiment utensil technical field, relates in particular to a kind of bioconversion medium microscope for biology Class experiment.
Background technology
Microscope is one of experimental apparatus conventional in current bioconversion medium experiment, at present conventional optical microscope is generally by objective table, collective lighting system, object lens, eyepiece and focus adjusting mechanism form, to utilize optical principle, the unresolvable small items amplification imaging of human eye, for people, extract the optical instrument of microtexture information, now conventional focus adjusting mechanism is all by manual realization, need the vernier adjustment knob on operator's gig lens barrel, make objective table and object lens to do relative motion to realize focusing along objective lens optical axis direction, to obtain image clearly, yet in class-teaching of teacher lecture experiment process, tend to both hands and also hold other utensils, just cannot make with the hands to adjust the vernier adjustment knob of object lens, the utensil that must put down in hand could operate, use and have inconvenience, affect efficiency of teaching.
Therefore, based on above-mentioned defect, in education experiment utensil technical field, for microscope, still there is research and improved demand, this is also study hotspot and emphasis in current education experiment utensil technical field, the starting point that the utility model is accomplished especially and power place.
Utility model content
For many defects of above-mentioned existence, the inventor, through a large amount of further investigations, after having paid sufficient creative work, thereby has completed the utility model.
Particularly, technical problem to be solved in the utility model is: a kind of bioconversion medium microscope is provided, during focusing, does not take user's both hands, and easy to operate, improved efficiency of teaching.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of bioconversion medium microscope is provided, described bioconversion medium comprises the objective tube being fixedly mounted on microscope body with microscope, in described objective tube, be slidably fitted with vertically sleeve, 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 outside surface of described sleeve and described objective tube, form hydraulic fluid chamber, described hydraulic fluid chamber connects a piston cylinder by oil inlet pipe, 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 retaining valve, the rodless cavity of described piston cylinder is communicated with described hydraulic fluid chamber by the second retaining valve, described hydraulic fluid chamber connects described fuel tank by flowline, and described flowline is provided with foot valve.
At bioconversion medium of the present utility model, use in microscope, as a kind of optimal technical scheme, described foot valve comprises valve body, described valve body is provided with horizontally disposed flow passage, described valve body is provided with the slideway of vertical described flow passage, in described slideway, be slidably fitted with spool, described spool is provided with through hole, between the end of described spool and valve body, is provided with back-moving spring.
At bioconversion medium of the present utility model, with in microscope, as a kind of optimal technical scheme, between described boss and objective tube and between described objective tube and the outside surface of sleeve, be equipped with O-ring seal.
Adopted technique scheme, the beneficial effects of the utility model are: owing to being provided with pedal and foot valve, what operator can be with foot control sleeve processed is flexible, thereby adjust the movement of object lens, to reach the object of imaging clearly, this has just liberated teacher's both hands, thereby has improved efficiency of teaching; Again owing to being provided with hydraulic fluid chamber on objective tube, by the volume of hydraulic oil in hydraulic fluid chamber, realize the flexible of sleeve, greatly simplified 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 usability of ophthalmic operating microscope have been improved.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model embodiment;
Fig. 2 is the structural representation of foot valve;
Wherein, in Fig. 1 and Fig. 2, 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, the 7, first Compress Spring, 8, piston cylinder, 9, piston, the 10, second Compress Spring, 11, rodless cavity, 12, piston rod, 13, pedal, 14, fuel tank, the 15, first retaining valve, the 16, second retaining valve, 17, foot valve, 1701, valve body, 1702, flow passage, 1703, spool, 1704, back-moving spring, 1705, through hole, 18, oil inlet pipe, 19, flowline.
Embodiment
Below in conjunction with accompanying drawing; by specific embodiment the utility model is elaborated; but the purposes of these property enumerated embodiments and object are only used for enumerating the 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 Fig. 1 and Fig. 2 are common, bioconversion medium microscope described in the utility model, comprise the objective tube 2 being fixedly mounted on microscope body 1, in objective tube 2, be slidably fitted with vertically sleeve 3, sleeve 3 has one end projection lens barrel 2 conventionally, sleeve 3 internal 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 the cross sectional shape of the suitable outlet of sleeve 3 also respective design squarely or ellipse, between the end face of boss 4 and microscope body 1, be provided with the first Compress Spring 7, between the outside surface of sleeve 3 and objective tube 2, form hydraulic fluid chamber 6, hydraulic fluid chamber 6 connects a piston cylinder 8 by oil inlet pipe 18, 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 retaining valve 15, the rodless cavity 11 of piston cylinder 8 is communicated with hydraulic fluid chamber 6 by the second retaining valve 16, the second retaining valve 16 is arranged on oil inlet pipe 18, hydraulic fluid chamber 6 connects fuel tank 14 by flowline 19, and flowline 19 is provided with foot valve 17.During use, operator need to step on pedal 13 repeatedly, and hydraulic oil constantly enters hydraulic fluid chamber 6, promotes sleeve 3 retraction objective tubes 2, compression the first Compress Spring 7, thus drive object lens 5 away from testee; Certainly, in order to put forward high accuracy of adjustment, it is thinner that the diameter of flowline 19 and oil inlet pipe 18 designs conventionally, and the sectional area of flowline 19 and oil inlet pipe 18 will be far smaller than the sectional area of rodless cavity 11, can make sleeve 3 slowly move.
The kind of foot valve 17 has a lot, in order to reduce costs, simplified structure, inventor has adopted a kind of simple in structure, the mode of dependable performance, foot valve 17 comprises valve body 1701, valve body 1701 is provided with horizontally disposed flow passage 1702, valve body 1701 is provided with the slideway of vertical flow passage 1702, in slideway, be slidably fitted with spool 1703, spool 1703 is provided with through hole 1705, between the end of spool 1703 and valve body 1701, be provided with back-moving spring 1704, during use, the step on top of spool 1703 of operator, through hole 1705 is communicated with flow passage 1702, just there is hydraulic oil to flow back to fuel tank 14, thereby the distance between object lens 5 and eyepiece is elongated, leave after pin, under back-moving spring 1704 effects, on spool 1703, move, by flow passage 1702 blocking-up, object lens 5 positions are fixed.
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 outside surface of sleeve 3, be equipped with O-ring seal, certainly, according to the shape of sealed section, O-ring seal on boss 4 is 0 type circle, and the O-ring seal in objective tube 2 exits, end adopts sealing joint strip.
While adjusting the distance between object lens 5 and eyepiece, whole process does not take operator's both hands, only need to just can operate with pin, has facilitated operator's use.
Although for for example and the object of description, and introduced 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 modifications 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 (3)
1. bioconversion medium microscope, comprise the objective tube being fixedly mounted on microscope body, it is characterized in that, in described objective tube, be slidably fitted with vertically sleeve, 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 outside surface of described sleeve and described objective tube, form hydraulic fluid chamber, described hydraulic fluid chamber connects a piston cylinder by oil inlet pipe, 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 retaining valve, the rodless cavity of described piston cylinder is communicated with described hydraulic fluid chamber by the second retaining valve, described hydraulic fluid chamber connects described fuel tank by flowline, and described flowline is provided with foot valve.
2. bioconversion medium microscope as claimed in claim 1, it is characterized in that, described foot valve comprises valve body, described valve body is provided with horizontally disposed flow passage, described valve body is provided with the slideway of vertical described flow passage, in described slideway, be slidably fitted with spool, described spool is provided with through hole, between the end of described spool and valve body, is provided with back-moving spring.
3. bioconversion medium microscope as claimed in claim 2, is characterized in that, between described boss and objective tube and between described objective tube and the outside surface of sleeve, is equipped with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474436.XU CN203981968U (en) | 2014-08-14 | 2014-08-14 | Bioconversion medium microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474436.XU CN203981968U (en) | 2014-08-14 | 2014-08-14 | Bioconversion medium microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981968U true CN203981968U (en) | 2014-12-03 |
Family
ID=51979401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420474436.XU Expired - Fee Related CN203981968U (en) | 2014-08-14 | 2014-08-14 | Bioconversion medium microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981968U (en) |
-
2014
- 2014-08-14 CN CN201420474436.XU patent/CN203981968U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160814 |