CN214719240U - Fume hood for molecular biology experiments - Google Patents
Fume hood for molecular biology experiments Download PDFInfo
- Publication number
- CN214719240U CN214719240U CN202120813151.4U CN202120813151U CN214719240U CN 214719240 U CN214719240 U CN 214719240U CN 202120813151 U CN202120813151 U CN 202120813151U CN 214719240 U CN214719240 U CN 214719240U
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- CN
- China
- Prior art keywords
- cabinet body
- fume hood
- pipe
- wall
- molecular biology
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 239000003517 fume Substances 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 27
- 238000000034 method Methods 0.000 description 25
- 239000012466 permeate Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a fume hood for molecular biology experiments belongs to the fume hood field. A fume hood for molecular biology experiments comprises a cabinet body, wherein exhaust pipes are fixedly arranged on the top and the left side wall of the cabinet body respectively, a fan is connected on the inner wall of each exhaust pipe in a rotating manner, two mounting plates are fixedly arranged on the inner wall of the cabinet body in a vertically symmetrical structure, a plurality of through holes are formed in the top of each mounting plate, a mounting hole is formed in the center of the top of each mounting plate, a filter screen is fixedly arranged at the top of each mounting plate through bolts, a telescopic pipe is fixedly arranged at the bottom of the mounting plate above the telescopic pipe, a threaded ring is rotatably connected to the bottom of the telescopic pipe, a plurality of rotating rods are fixedly arranged on the circumferential outer wall of the threaded ring in an annular structure, and the structure can be used for operators to reasonably adjust experimental positions according to the density of gas generated by experiments, so that the exhaust pipes can rapidly exhaust the gas inside the cabinet body, preventing the gas from leaking out.
Description
Technical Field
The utility model relates to a fume hood field, more specifically say, relate to a fume hood for molecular biology experiments.
Background
In current comparison document, as the application document that application number is CN202021072854.8, specifically disclose "fume hood for molecular biology experiments, including the cabinet body, ventilation mechanism, support piece and holder, the four corners department of the bottom of the cabinet body all is fixed with brake roller, the inside welding of the cabinet body has baffle … … the top at the cabinet body is fixed to the suction fan, the second that the air-supply line of suction fan extends to the cabinet body holds the intracavity and is connected with the shell, be provided with adsorption plate and filter screen in the shell. This fume hood for molecular biology experiments makes things convenient for experimental operation, can purify the processing to the combustion gas. "
Although the comparison document has a prominent beneficial effect, in the actual use process, because the ventilation mechanism is arranged at the top of the device, when the density of the gas generated in the experimental process is greater than that of the air, the ventilation mechanism is difficult to rapidly exhaust the gas in the device, and for this reason, a fume hood for molecular biology experiments is provided, which is mainly used for solving the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
An object of the utility model is to provide a fume hood for molecular biology experiments to solve the problem that proposes among the above-mentioned background art.
2. Technical scheme
The utility model provides a fume hood for molecular biology experiments, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body top and left side wall have set firmly the exhaust pipe respectively, the exhaust pipe inner wall rotates and is connected with the fan, the internal wall of cabinet is the longitudinal symmetry structure and has set firmly two mounting panels, a plurality of through-holes have been seted up at the mounting panel top, mounting panel top center department has seted up the mounting hole, the mounting panel top has set firmly the filter screen through the bolt, is located the top the mounting panel bottom has set firmly flexible pipe, flexible pipe bottom rotates and is connected with the screw ring, screw ring circumference outer wall is the loop configuration and has set firmly a plurality of dwangs, is located the below the mounting panel bottom has set firmly the funnel, the funnel bottom has set firmly the glass pipe, the glass socle has set firmly the drain pipe.
Preferably, the exhaust duct is communicated with the inside of the cabinet body.
Preferably, the threaded ring is in threaded connection with the inner wall of the mounting hole located below.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
1. the structure of the utility model is improved, in the using process, firstly, before the experiment, the position of the experimental object is adjusted according to the gas generated in the experimental object process, then the two fans are driven by the motor to rotate to suck the air in the cabinet body, when the gas generated in the experimental process is more than the air density, the experimental object is placed on the filter screen positioned below, the gas generated in the process can permeate to the bottom of the cabinet body through the through holes on the mounting plate, the gas in the cabinet body can be rapidly exhausted completely through the exhaust pipe below, when the gas density generated in the experimental process is less than the air density, the experimental object is placed on the filter screen positioned above, the low-density gas generated in the process can be rapidly exhausted by the exhaust pipe above the cabinet body, when the liquid is generated in the experimental process or the experimental object is the liquid, an operator can drive the threaded ring and the telescopic pipe to move downwards by pulling the rotating rod downwards, the lower filter screen is taken out, and the threaded ring is in threaded connection with the mounting hole by rotating the threaded ring, so that the situation that in the experimental process, when liquid leaks, the leaked liquid can be guided into the funnel at the bottom through the telescopic pipe and flows out of the cabinet body through the glass pipe and the liquid outlet pipe so as to be collected is prevented; this structure is through setting up two mounting panels about the internal portion of cabinet respectively, and the operating personnel of can being convenient for carries out reasonable adjustment to the experimental position according to the produced gas density of experiment to can be convenient for the exhaust pipe with the gaseous exhaust of the internal portion of cabinet fast, thereby avoid gaseous leaking.
2. The utility model discloses structurally improve to some extent, through set up flexible pipe, screw ring and filter screen bottom the mounting panel that is located the top, can be convenient for derive the funnel of bottom with the liquid of revealing in the experimentation, improve the security that the device used.
Drawings
FIG. 1 is a schematic structural view of the telescopic tube of the present invention in an open state;
FIG. 2 is a schematic structural view of the telescopic tube of the present invention in a retracted state;
the reference numbers in the figures illustrate: 1. a cabinet body; 2. an exhaust duct; 3. a fan; 4. mounting a plate; 5. a through hole; 6. mounting holes; 7. filtering with a screen; 8. a telescopic pipe; 9. a threaded ring; 10. rotating the rod; 11. a funnel; 12. a glass tube; 13. a liquid outlet pipe.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution:
a fume hood for molecular biology experiments comprises a cabinet body 1, wherein exhaust pipes 2 are fixedly arranged on the top and the left side wall of the cabinet body 1 respectively, the inner walls of the exhaust pipes 2 are rotatably connected with fans 3, two mounting plates 4 are fixedly arranged on the inner walls of the cabinet body 1 in an up-down symmetrical structure, a plurality of through holes 5 are formed in the tops of the mounting plates 4, a mounting hole 6 is formed in the center of the top of each mounting plate 4, a filter screen 7 is fixedly arranged at the top of each mounting plate 4 through bolts, a telescopic pipe 8 is fixedly arranged at the bottom of the mounting plate 4 above the telescopic pipe 8, a threaded ring 9 is rotatably connected to the bottom of the telescopic pipe 8, a plurality of rotating rods 10 are fixedly arranged on the outer wall of the circumference of the threaded ring 9 in an annular structure, a funnel 11 is fixedly arranged at the bottom of the mounting plate 4 below the telescopic pipe, a glass pipe 12 is fixedly arranged at the bottom of the funnel 11, and a liquid outlet pipe 13 is fixedly arranged at the bottom of the glass pipe 12; in the using process, firstly, before the experiment, the position of the experimental object is adjusted according to the gas generated in the experimental object process, then the two fans 3 are driven by the motor to rotate to suck the air into the cabinet body 1, when the gas generated in the experimental process is greater than the air density, the experimental object is placed on the filter screen 7 positioned below, the gas generated in the process can permeate into the bottom of the cabinet body 1 through the through holes 5 on the mounting plate 4, the gas in the cabinet body 1 can be rapidly exhausted through the exhaust pipe 2 below, when the gas density generated in the experimental process is less than the air density, the experimental object is placed on the filter screen 7 positioned above, the low-density gas generated in the process can be rapidly exhausted through the exhaust pipe 2 above the cabinet body 1, when the liquid is generated in the experimental process or the experimental object is liquid, an operator can pull the rotating rod 10 downwards, the threaded ring 9 and the telescopic pipe 8 are driven to move downwards, the filter screen 7 below the threaded ring 9 is taken out, the threaded ring 9 is in threaded connection with the mounting hole 6 by rotating the threaded ring 9, and therefore the situation that in the experiment process, when liquid leaks, the leaked liquid can be guided into the funnel 11 at the bottom through the telescopic pipe 8 and flows out of the cabinet body 1 through the glass pipe 12 and the liquid outlet pipe 13 to be collected is avoided; according to the structure, the two mounting plates 4 are respectively arranged at the upper part and the lower part in the cabinet body 1, so that an operator can conveniently and reasonably adjust the experiment position according to the density of gas generated in an experiment, the exhaust pipe 2 can conveniently and quickly exhaust the gas in the cabinet body 1, and the gas is prevented from leaking; through set up flexible pipe 8, screw ring 9 and filter screen 7 in the mounting panel 4 bottom that is located the top, can be convenient for derive the funnel 11 of bottom with the liquid that reveals in the experimentation, improve the security that the device used.
Specifically, the exhaust duct 2 is communicated with the inside of the cabinet body 1.
Further, the threaded ring 9 is screwed with the inner wall of the mounting hole 6 located below.
The working principle is as follows: in the using process, firstly, before the experiment, the position of the experimental object is adjusted according to the gas generated in the experimental object process, then the two fans 3 are driven by the motor to rotate to suck the air into the cabinet body 1, when the gas generated in the experimental process is greater than the air density, the experimental object is placed on the filter screen 7 positioned below, the gas generated in the process can permeate into the bottom of the cabinet body 1 through the through holes 5 on the mounting plate 4, the gas in the cabinet body 1 can be rapidly exhausted through the exhaust pipe 2 below, when the gas density generated in the experimental process is less than the air density, the experimental object is placed on the filter screen 7 positioned above, the low-density gas generated in the process can be rapidly exhausted through the exhaust pipe 2 above the cabinet body 1, when the liquid is generated in the experimental process or the experimental object is liquid, an operator can pull the rotating rod 10 downwards, drive threaded ring 9 and flexible pipe 8 and remove downwards to through taking out filter screen 7 with the below, through rotating threaded ring 9, with threaded ring 9 and 6 threaded connection of mounting hole, thereby prevent in the experimentation, when liquid appears revealing, the liquid of revealing can be inside by the funnel 11 of leading-in bottom through flexible pipe 8, and flow out cabinet body 1 inside through glass pipe 12 and drain pipe 13, thereby collected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a fume hood for molecular biology experiments, includes the cabinet body (1), its characterized in that: the cabinet body (1) top and left side wall have set firmly exhaust pipe (2) respectively, exhaust pipe (2) inner wall rotates and is connected with fan (3), the cabinet body (1) inner wall is about symmetrical structure has set firmly two mounting panels (4), a plurality of through-holes (5) have been seted up at mounting panel (4) top, mounting panel (4) top center department has seted up mounting hole (6), mounting panel (4) top has set firmly filter screen (7) through the bolt, is located the top mounting panel (4) bottom has set firmly flexible pipe (8), flexible pipe (8) bottom rotates and is connected with screw thread ring (9), screw thread ring (9) circumference outer wall is the loop configuration and has set firmly a plurality of dwangs (10), is located the below mounting panel (4) bottom has set firmly funnel (11), funnel (11) bottom has set firmly glass pipe (12), a liquid outlet pipe (13) is fixedly arranged at the bottom of the glass pipe (12).
2. The fume hood for molecular biology experiments according to claim 1, wherein: the exhaust pipe (2) is communicated with the inside of the cabinet body (1).
3. The fume hood for molecular biology experiments according to claim 1, wherein: the threaded ring (9) is in threaded connection with the inner wall of the mounting hole (6) located below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813151.4U CN214719240U (en) | 2021-04-20 | 2021-04-20 | Fume hood for molecular biology experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120813151.4U CN214719240U (en) | 2021-04-20 | 2021-04-20 | Fume hood for molecular biology experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214719240U true CN214719240U (en) | 2021-11-16 |
Family
ID=78611525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120813151.4U Expired - Fee Related CN214719240U (en) | 2021-04-20 | 2021-04-20 | Fume hood for molecular biology experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214719240U (en) |
-
2021
- 2021-04-20 CN CN202120813151.4U patent/CN214719240U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |