CN206773285U - Bioexperiment teaching microscope - Google Patents
Bioexperiment teaching microscope Download PDFInfo
- Publication number
- CN206773285U CN206773285U CN201720589281.8U CN201720589281U CN206773285U CN 206773285 U CN206773285 U CN 206773285U CN 201720589281 U CN201720589281 U CN 201720589281U CN 206773285 U CN206773285 U CN 206773285U
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- China
- Prior art keywords
- sleeve
- lens barrel
- piston
- piston cylinder
- air inlet
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Abstract
The utility model discloses a kind of Bioexperiment teaching microscope, including microscope body and pneumatic shuttle, lens barrel is fixedly connected with the microscope body, the lens barrel interior edge has been in axial sliding connection sleeve, the internal thread of sleeve is connected with object lens, it is raised that the end of the sleeve is provided with one, (the first back-moving spring is provided between the raised end face and microscope body, atmospheric pressure cavity is provided between the inner surface of the lens barrel and the outer surface of sleeve, air inlet pipe and escape pipe are respectively equipped with the left and right sides wall of the lens barrel, the atmospheric pressure cavity is connected to pneumatic shuttle by air inlet pipe, the pneumatic shuttle includes piston cylinder and pedal, piston is provided with the piston cylinder, the piston rod stretches out piston cylinder and is connected to pedal, second back-moving spring is provided with cavity in the piston cylinder.The utility model is simple in construction, easy to operate, is not take up the both hands of user when in use, improves efficiency of teaching, is widely used in bioconversion medium experiment.
Description
Technical field
Technical field of motors is the utility model is related to, specially a kind of Bioexperiment teaching microscope.
Background technology
Microscope is one of laboratory apparatus commonly used in current bioconversion medium experiment, and currently used light microscope is general
It is made up of objective table, collective lighting system, object lens, eyepiece and focus adjusting mechanism, is to utilize optical principle, human eye can not be differentiated
Small items zoom into picture, so that people extract the optical instrument of fine structure information, existing frequently-used focus adjusting mechanism is all
It is manually realizing, it is necessary to operator rotate objective tube on vernier knob so that both objective table and object lens must be able to edge
Objective lens optical axis direction is performed relative motion to realize focusing, to obtain clearly image, but during class-teaching of teacher lecture experiment
Often both hands also hold other utensils, the vernier knob of object lens can not be just adjusted using both hands, it is necessary to put down the device in hand
Tool could operate, and use and inconvenience be present, influence efficiency of teaching.In consideration of it, it is proposed that a kind of Bioexperiment is imparted knowledge to students
Use microscope.
Utility model content
The purpose of this utility model is to provide a kind of Bioexperiment teaching microscope, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of Bioexperiment teaching microscope, including microscope body and pneumatic shuttle, it is solid on the microscope body
Surely lens barrel is connected with, the lens barrel interior edge has been in axial sliding connection sleeve, and the internal thread of sleeve is connected with object lens, the sleeve
End be provided with one raised, be provided with (the first back-moving spring between the raised end face and microscope body, the lens barrel it is interior
Atmospheric pressure cavity is provided between surface and the outer surface of sleeve, air inlet pipe and outlet are respectively equipped with the left and right sides wall of the lens barrel
Pipe, the atmospheric pressure cavity are connected to pneumatic shuttle by air inlet pipe, and the pneumatic shuttle includes piston cylinder and pedal, the piston
Piston is provided with cylinder, and piston is slidably connected with the piston inside wall of cylinder, the piston is provided with piston rod, and the piston rod, which stretches out, lives
Plug cylinder is connected to pedal, and second back-moving spring is provided with the cavity in the piston cylinder.
Preferably, the external part cross sectional shape of the sleeve is square, and the exit section that lens barrel and sleeve match
Shape is also to be square.
Preferably, it is equipped between the inner surface of the lens barrel and the outer surface of sleeve and between the raised and lens barrel
Sealing ring.
Preferably, the raised cross sectional shape is circle.
Preferably, the sectional area of the air inlet pipe and escape pipe is respectively less than the sectional area of cavity, and air inlet pipe and escape pipe
On be equipped with valve.
Preferably, the upper surface of the pedal is provided with skid resistance strip.
Compared with prior art, the beneficial effects of the utility model are：
（1）This Bioexperiment teaching microscope, by the pedal of setting, teacher can stretching with pin control sleeve
Contracting, so as to adjust the movement of object lens, to reach the purpose of imaging clearly, this has just liberated the both hands of teacher, improves teaching effect
Rate.
（2）By the atmospheric pressure cavity set in lens barrel, the flexible of sleeve is realized by the volume of air pressure intracavity gas, greatly
Microscopical structure is simplified greatly, and air pressure driving has the advantages of easy to operate, nothing is trembled, it is microscopical so as to improve
Imaging definition and performance.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
In figure：1 microscope body, 2 lens barrels, 3 sleeves, 4 projections, 5 object lens, 6 (the first back-moving springs, 7 atmospheric pressure cavities, 8 air inlets
Pipe, A pneumatic shuttles, 9 piston cylinders, 10 pistons, 11 piston rods, 12 cavitys, 13 second back-moving springs, 14 pedals, 15 escape pipes,
16 valves, 17 skid resistance strips.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：
A kind of Bioexperiment teaching microscope, including microscope body 1 and pneumatic shuttle A, it is fixed on microscope body 1
It is connected with lens barrel 2, the interior edge of lens barrel 2 has been in axial sliding connection sleeve 3, and the external part cross sectional shape of sleeve 3 is square, and lens barrel 2
The exit cross sectional shape to match with sleeve 3 is also square, prevents sleeve 3 from being rotated in sliding process, spiral shell in sleeve 3
Line is connected with object lens 5, and the end of sleeve 3 is provided with projection 4, and the cross sectional shape of projection 4 is circle, prevents sleeve 3 from sliding
Rotated in journey.
(the first back-moving spring 6, inner surface and the sleeve 3 of lens barrel 2 are provided between the end face of projection 4 and microscope body 1
Atmospheric pressure cavity 7 is provided between outer surface, and between the outer surface of the inner surface of lens barrel 2 and sleeve 3 and between projection 4 and lens barrel 2
Sealing ring is equipped with, the sealing effectiveness and performance of atmospheric pressure cavity 7 is improved, air inlet is respectively equipped with the left and right sides wall of lens barrel 2
Pipe 8 and escape pipe 15, and the sectional area of air inlet pipe 8 and escape pipe 15 is respectively less than the sectional area of cavity 12 so that sleeve 3 moves speed
Degree is slow, improves the Adjustment precision of object lens 5, valve 16 is equipped with air inlet pipe 8 and escape pipe 15, is easy to control going out for gas
Enter.
Atmospheric pressure cavity 7 is connected to pneumatic shuttle A by air inlet pipe 8, and pneumatic shuttle A includes piston cylinder 9 and pedal 14, piston
Piston 10 is provided with cylinder 9, and piston 10 is slidably connected with the inwall of piston cylinder 9, piston 10 is provided with piston rod 11, and piston rod 11 is stretched
Go out piston cylinder 9 and be connected to pedal 14, the upper surface of pedal 14 is provided with skid resistance strip 17, prevents pedal 14 due to liquid
Invade and cause user's sole skidding influence using effect, second back-moving spring 13 is provided with the cavity 12 in piston cylinder 9, prevent
Only because the gas in pipeline pours in down a chimney, fast shut-off pipeline, so as to play a part of effectively protecting pneumatic shuttle A.
Utility model works flow：When in use, operator steps on pedal 14 repeatedly, and the gas in cavity 12 is continuous
It is compressed into atmospheric pressure cavity 7, the volume of atmospheric pressure cavity 7 slowly increases, and so as to promote in the retraction lens barrel 2 of sleeve 3, and compresses first
Compression spring 7, and then object lens 5 are driven away from testee.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Bioexperiment teaching microscope, including microscope body（1）With pneumatic shuttle A, it is characterised in that：It is described aobvious
Micro mirror main body（1）On be fixedly connected with lens barrel（2）, the lens barrel（2）Interior edge has been in axial sliding connection sleeve（3）, the sleeve
（3）Internal thread is connected with object lens（5）, the sleeve（3）End be provided with projection（4）, the projection（4）End face and microscope
Main body（1）Between be provided with (the first back-moving spring（6）, the lens barrel（2）Inner surface and sleeve（3）Outer surface between be provided with gas
Press chamber（7）, the lens barrel（2）Left and right sides wall on be respectively equipped with air inlet pipe（8）And escape pipe（15）, the atmospheric pressure cavity（7）
Pass through air inlet pipe（8）Being connected to pneumatic shuttle A, the pneumatic shuttle A includes piston cylinder（9）And pedal（14）, the piston
Cylinder（9）It is interior to be provided with piston（10）, and piston（10）With piston cylinder（9）Inwall is slidably connected, the piston（10）It is provided with piston
Bar（11）, the piston rod（11）Stretch out piston cylinder（9）It is connected to pedal（14）, the piston cylinder（9）Interior cavity（12）
In be provided with second back-moving spring（13）.
A kind of 2. Bioexperiment teaching microscope according to claim 1, it is characterised in that：The sleeve（3）Stretch
Go out end section and be shaped as square, and lens barrel（2）And sleeve（3）The exit cross sectional shape to match is also to be square.
A kind of 3. Bioexperiment teaching microscope according to claim 1, it is characterised in that：The lens barrel（2）It is interior
Surface and sleeve（3）Outer surface between and the projection（4）And lens barrel（2）Between be equipped with sealing ring.
A kind of 4. Bioexperiment teaching microscope according to claim 1, it is characterised in that：The projection（4）Cut
Face is shaped as circle.
A kind of 5. Bioexperiment teaching microscope according to claim 1, it is characterised in that：The air inlet pipe（8）With
Escape pipe（15）Sectional area be respectively less than cavity（12）Sectional area, and air inlet pipe（8）And escape pipe（15）On be equipped with valve
（16）.
A kind of 6. Bioexperiment teaching microscope according to claim 1, it is characterised in that：The pedal（14）'s
Upper surface is provided with skid resistance strip（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589281.8U CN206773285U (en) | 2017-05-25 | 2017-05-25 | Bioexperiment teaching microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589281.8U CN206773285U (en) | 2017-05-25 | 2017-05-25 | Bioexperiment teaching microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206773285U true CN206773285U (en) | 2017-12-19 |
Family
ID=60639410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720589281.8U Expired - Fee Related CN206773285U (en) | 2017-05-25 | 2017-05-25 | Bioexperiment teaching microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206773285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122578A (en) * | 2020-01-16 | 2020-05-08 | 宁波舜宇仪器有限公司 | Material tray type pathological section scanner and section scanning method |
-
2017
- 2017-05-25 CN CN201720589281.8U patent/CN206773285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122578A (en) * | 2020-01-16 | 2020-05-08 | 宁波舜宇仪器有限公司 | Material tray type pathological section scanner and section scanning method |
| CN111122578B (en) * | 2020-01-16 | 2024-01-26 | 宁波舜宇仪器有限公司 | Material tray type pathological section scanner and section scanning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |