CN213652437U

CN213652437U - Full-automatic liquid feeding biological safety cabinet

Info

Publication number: CN213652437U
Application number: CN202021556577.8U
Authority: CN
Inventors: 徐继康; 钟丽萍
Original assignee: Guangdong Cruilife Stem Cell Technology Co ltd
Current assignee: Guangdong Cruilife Stem Cell Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-07-09
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a full-automatic liquid-feeding biological safety cabinet, which comprises a pedestal, a cabinet body with an opening at one side is fixedly arranged at the top end of the pedestal, two second cylinders are symmetrically and fixedly arranged at the top end of the cabinet body, a straight rod is fixedly arranged at the output ends of the two second cylinders together, a protective cover is arranged at the top end of the cabinet body, a liquid storage barrel is arranged at the top end of the cabinet body and positioned in the protective cover, a telescopic pipe is fixedly arranged on the liquid storage barrel, a connecting shaft is fixedly arranged at the bottom end of the straight rod, a liquid spraying mechanism is fixedly arranged at the bottom end of the connecting shaft and positioned in the cabinet body, two limiting plates are symmetrically and fixedly arranged on the inner bottom wall of the cabinet body, and a culture dish is clamped and arranged between the two limiting plates together. The culture solution is prevented from being sprayed on the non-specimen area to generate unnecessary waste, and the use cost of the culture solution is greatly reduced.

Description

Full-automatic liquid feeding biological safety cabinet

Technical Field

The utility model relates to a biological safety cabinet, in particular to biological safety cabinet of full-automatic liquid feeding belongs to biological safety cabinet technical field.

Background

The biological safety cabinet is a cabinet body designed for protecting an operator, a laboratory environment and experimental materials from being exposed to infectious aerosol and splashed substances which may be generated in the operation process when the primary culture, the bacterial virus strain, the diagnostic specimen and other infectious experimental materials are operated, after the specimen is placed in the safety cabinet, culture solution needs to be added to the specimen in the experiment process, and the sealing performance of the safety cabinet needs to be ensured when the culture solution is added, so that the operation of adding the culture solution can be only carried out in the safety cabinet, and the safety cabinet with full automatic medicine adding needs to be used.

Traditional biological safety cabinet of full-automatic liquid feeding is in the use of reality, and the structure of spraying the culture solution is fixed, can't go up and down to remove, and the culture solution can't cover whole sample or culture solution and cover in no sample region easily appears, causes the waste to the culture solution, greatly reduced its use cost, to this, need design a biological safety cabinet of full-automatic liquid feeding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological safety cabinet of full-automatic liquid feeding to the hydrojet mechanism of the fixed structure who proposes in solving above-mentioned background art can't go up and down to remove, and the culture solution can not cover whole samples or the culture solution covers in no sample region easily appears, causes the waste to the culture solution, has reduced its use cost's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a full-automatic liquid feeding biological safety cabinet comprises a pedestal, a cabinet body with an opening at one side is fixedly mounted at the top end of the pedestal, two sealing doors are symmetrically and rotatably mounted on the cabinet body and are positioned at the opening of the cabinet body, two second cylinders are symmetrically and fixedly mounted at the top end of the cabinet body, a straight rod is fixedly mounted at the output ends of the two second cylinders together, a protective cover is fixedly mounted at the top end of the cabinet body and positioned between the two second cylinders, a liquid storage barrel is arranged at the top end of the cabinet body and positioned in the protective cover, a telescopic pipe communicated with the interior of the liquid storage barrel is fixedly mounted on the liquid storage barrel, a connecting shaft is fixedly mounted at the bottom end of the straight rod, one end of the connecting shaft, away from the straight rod, is inserted into the protective cover and extends into the cabinet body, a liquid spraying mechanism is, liquid spray mechanism and flexible pipe keep away from the one end fixed connection of liquid storage bucket, symmetry fixed mounting has two limiting plates, two on the interior diapire of the cabinet body common block installs the culture dish between the limiting plate, just the culture dish is located liquid spray mechanism's below, the top of the cabinet body and the top that is located liquid spray mechanism are dug and are had rectangular shape opening.

Preferably, the liquid spraying mechanism comprises a box body, the box body is fixedly installed at one end, far away from the straight rod, of the connecting shaft, a first air cylinder is fixedly installed in the box body, and a first limiting ring is fixedly installed on the outer wall of the box body.

Preferably, the bottom fixed mounting of box has the straight tube, straight tube outer wall fixed mounting has the feed liquor pipe rather than intercommunication each other, just the feed liquor pipe passes first spacing ring and with flexible tub of fixed connection.

Preferably, a rubber piston is movably mounted in the straight pipe and fixedly connected with the output end of the first cylinder, and a spray head is fixedly mounted at the bottom end of the straight pipe.

Preferably, the round hole has been dug on the top of protection casing, round hole inner wall fixed mounting has the sealing washer, the connecting axle passes the round hole and laminates with the sealing washer inner wall, protection casing inner wall fixed mounting has the second spacing ring, just the upper surface of the cabinet body is erect in the stock solution bucket passes the second spacing ring.

Preferably, a circular opening is formed in the top end of the protective cover and located above the liquid storage barrel, and a sealing plug is mounted on the circular opening in a clamping mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a biosafety cabinet of full-automatic liquid feeding has the characteristics that reduce use cost, in specific use, compares with the biosafety cabinet of traditional full-automatic liquid feeding: this safety cabinet is provided with hydrojet mechanism that can go up and down to remove, can drive rubber piston through first cylinder and carry out the elevating movement, be convenient for push the shower nozzle with the culture solution in the straight tube, can drive hydrojet mechanism through the second cylinder and carry out the elevating movement, be convenient for adjust the interval between shower nozzle and the culture dish, not only can guarantee that the sample can be covered by the culture solution who sprays completely, and can prevent that the culture solution from being sprayed and producing the unnecessary waste in no sample region, the utilization ratio of culture solution has effectively been improved, greatly reduced its use cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a liquid spraying mechanism of the present invention;

fig. 3 is a schematic view of the protective cover structure of the present invention.

In the figure: 1. a pedestal; 2. a sealing door; 3. a liquid spraying mechanism; 31. a box body; 32. a first cylinder; 33. a first limit ring; 34. a liquid inlet pipe; 35. a spray head; 36. a straight pipe; 37. a rubber piston; 4. a cabinet body; 5. a second cylinder; 6. a straight rod; 7. a protective cover; 71. a circular hole; 72. a sealing plug; 73. a circular opening; 74. a second stop collar; 75. a seal ring; 8. a connecting shaft; 9. a liquid storage barrel; 10. a telescopic pipe; 11. a limiting plate; 12. a culture dish; 13. and a strip-shaped opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a full-automatic liquid feeding biosafety cabinet comprises a pedestal 1, a cabinet body 4 with an opening at one side is fixedly installed at the top end of the pedestal 1, two sealing doors 2 are symmetrically and rotatably installed on the cabinet body 4, the two sealing doors 2 are both positioned at the opening of the cabinet body 4, two second air cylinders 5 are symmetrically and fixedly installed at the top end of the cabinet body 4, a straight rod 6 is fixedly installed at the output ends of the two second air cylinders 5 together, a protective cover 7 is fixedly installed at the top end of the cabinet body 4 and positioned between the two second air cylinders 5, a liquid storage barrel 9 is arranged at the top end of the cabinet body 4 and positioned in the protective cover 7, a telescopic pipe 10 communicated with the interior of the liquid storage barrel 9 is fixedly installed on the liquid storage barrel 9, a connecting shaft 8 is fixedly installed at the bottom end of the straight rod 6, one end of the connecting shaft 8, far away from the straight rod 6, is, the liquid spraying mechanism 3 is fixedly connected with one end of the telescopic pipe 10 far away from the liquid storage barrel 9, two limiting plates 11 are symmetrically and fixedly installed on the inner bottom wall of the cabinet body 4, a culture dish 12 is installed between the two limiting plates 11 in a clamping mode, the culture dish 12 is located below the liquid spraying mechanism 3, a long-strip-shaped opening 13 is formed in the top end of the cabinet body 4 and located above the liquid spraying mechanism 3 in a chiseling mode, if a large number of samples are placed in the culture dish 12, the spread area is large, the spray head 35 moves upwards, the distance between the culture dish 12 and the spray head 35 can be increased, the coverage area of sprayed culture liquid is increased, all samples are guaranteed to be in contact with the culture liquid, if few samples are placed in the culture dish 12, the spread area is small, the spray head 35 moves downwards, the distance between the culture dish 12 and the spray head 35 is reduced, the coverage area of the sprayed culture liquid is reduced, and unnecessary waste caused by the fact that the culture liquid is, effectively improves the utilization rate of the culture solution and greatly reduces the use cost of the culture solution.

The top end of the protective cover 7 is provided with a round hole 71, the inner wall of the round hole 71 is fixedly provided with a sealing ring 75, the connecting shaft 8 penetrates through the round hole 71 and is attached to the inner wall of the sealing ring 75, the inner wall of the protective cover 7 is fixedly provided with a second limiting ring 74, the liquid storage barrel 9 penetrates through the second limiting ring 74 and is erected on the upper surface of the cabinet body 4, the round hole 71 is used for ensuring that the connecting shaft 8 can move up and down, the sealing performance of the round hole 71 is improved through the sealing ring 75, external bacteria or dust is prevented from entering the safety cabinet, the liquid spraying mechanism 3 comprises a box body 31, the box body 31 is fixedly arranged at one end, far away from the straight rod 6, of the connecting shaft 8, a first air cylinder 32 is fixedly arranged in the box body 31, a first limiting ring 33 is fixedly arranged on the outer wall of the box body 31, the culture solution can be sprayed into the culture dish 12 from the spray head 35, the straight pipe 36 is fixedly installed at the bottom end of the box body 31, the liquid inlet pipe 34 communicated with the straight pipe 36 is fixedly installed on the outer wall of the straight pipe 36, the liquid inlet pipe 34 penetrates through the first limiting ring 33 and is fixedly connected with the telescopic pipe 10, the liquid inlet pipe 34 can be reinforced through the first limiting ring 33, the liquid inlet pipe 34 is firmly installed on the outer wall of the box body 31, the circular opening 73 is chiseled at the top end of the protective cover 7 and positioned above the liquid storage barrel 9, the sealing plug 72 is clamped and installed on the circular opening 73, the liquid storage barrel 9 can be conveniently installed and taken out through the circular opening 73, the sealing performance of the circular opening 73 can be improved through the sealing plug 72, the rubber piston 37 is movably installed in the straight pipe 36, the rubber piston 37 is fixedly connected with the output end of the first cylinder 32, the spray head 35 is fixedly installed at the bottom end of the straight, but also can block the mouth of the liquid inlet pipe 34 to prevent the culture solution in the liquid storage barrel 9 from continuously entering the straight pipe 36.

Specifically, when the utility model is used, firstly, the specimen is placed in the culture dish 12, then the culture dish 12 is inserted into the position between the two limiting plates 11, the culture dish 12 is firmly erected in the cabinet body 4 through the two limiting plates 11, then the two sealing doors 2 are closed, the opening of the cabinet body 4 is sealed through the two sealing doors 2, under the action of gravity, the culture solution in the liquid storage barrel 9 can be guided into the liquid inlet pipe 34 through the telescopic pipe 10, then the culture solution enters the straight pipe 36, the rubber piston 37 is pushed by the first air cylinder 32 to move downwards along the inner wall of the straight pipe 36, then the culture solution is put into the spray head 35, the culture solution can be sprayed onto the culture dish 12 through the spray head 35, then the specimen is contacted with the culture solution, the straight rod 6 can be driven to move up and down through the two second air cylinders 5, because the straight rod 6 is fixedly connected with the liquid spraying mechanism 3 through the connecting shaft, then the liquid spraying mechanism 3 can move up and down along with the straight rod 6, the long-strip-shaped opening 13 cut at the top end of the cabinet body 4 ensures that the liquid spraying mechanism 3 can enter the protective cover 7 after being lifted, the distance between the nozzle 35 and the culture dish 12 can be adjusted conveniently, if a large number of samples are placed in the culture dish 12, the spread area is large, the nozzle 35 is moved upwards, the space between the culture dish 12 and the spray head 35 can be increased, and then the coverage area of the sprayed culture solution is increased, so that all the samples can be ensured to be contacted with the culture solution, if the samples placed in the culture dish 12 are few, then its area of spreading is little, with shower nozzle 35 lapse, reduces the interval between culture dish 12 and the shower nozzle 35, then reduces the area covered of the culture solution that sprays, prevents that the culture solution from being sprayed and producing unnecessary waste in no sample region, has effectively improved the utilization ratio of culture solution, greatly reduced its use cost.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biohazard safety cabinet of full-automatic liquid feeding, includes pedestal (1), its characterized in that, the top fixed mounting of pedestal (1) has the cabinet body (4) that is one side open-ended, the symmetry rotates on the cabinet body (4) and installs two sealing door (2), and two sealing door (2) all are located the cabinet body (4) opening part, the top symmetry fixed mounting of the cabinet body (4) has two second cylinders (5), two the common fixed mounting of output of second cylinder (5) has a straight-bar (6), the top of the cabinet body (4) just is located the fixed position between two second cylinders (5) and installs protection casing (7), the top of the cabinet body (4) just is located protection casing (7) and has placed stock solution bucket (9), fixed mounting has flexible pipe (10) rather than inside intercommunication on stock solution bucket (9), the bottom fixed mounting of straight-bar (6) has connecting axle (8), the one end that straight-bar (6) were kept away from in connecting axle (8) inserts protection casing (7) and extends to in the cabinet body (4), the bottom of connecting axle (8) just is located cabinet body (4) internal fixed mounting has hydrojet mechanism (3), the one end fixed connection of liquid storage bucket (9) is kept away from with flexible pipe (10) to hydrojet mechanism (3), symmetry fixed mounting has two limiting plates (11), two on the interior diapire of the cabinet body (4) common block between limiting plate (11) is installed culture dish (12), just culture dish (12) are located the below of hydrojet mechanism (3), the top of the cabinet body (4) and the top that is located hydrojet mechanism (3) are opened and are chiseled rectangular shape opening (13).

2. The full-automatic liquid feeding biosafety cabinet according to claim 1, characterized in that: liquid spraying mechanism (3) include box (31), just box (31) fixed mounting keeps away from the one end of straight-bar (6) in connecting axle (8), box (31) internal fixation installs first cylinder (32), fixed mounting has first spacing ring (33) on the outer wall of box (31).

3. The full-automatic liquid feeding biosafety cabinet according to claim 2, characterized in that: the bottom fixed mounting of box (31) has straight tube (36), straight tube (36) outer wall fixed mounting has rather than the feed liquor pipe (34) of intercommunication each other, just feed liquor pipe (34) pass first spacing ring (33) and with flexible pipe (10) fixed connection.

4. The full-automatic liquid feeding biosafety cabinet according to claim 3, characterized in that: the inner movable mounting of the straight tube (36) is provided with a rubber piston (37), the rubber piston (37) is fixedly connected with the output end of the first cylinder (32), and the bottom end of the straight tube (36) is fixedly provided with a spray head (35).

5. The full-automatic liquid feeding biosafety cabinet according to claim 1, characterized in that: the top of protection casing (7) is opened and is dug round hole (71), round hole (71) inner wall fixed mounting has sealing washer (75), connecting axle (8) pass round hole (71) and with the laminating of sealing washer (75) inner wall, protection casing (7) inner wall fixed mounting has second spacing ring (74), just stock solution bucket (9) pass second spacing ring (74) and erect the upper surface in the cabinet body (4).

6. The full-automatic liquid feeding biosafety cabinet according to claim 1, characterized in that: a round opening (73) is formed in the top end of the protective cover (7) and located above the liquid storage barrel (9), and a sealing plug (72) is mounted on the round opening (73) in a clamping mode.