CN209901305U

CN209901305U - Novel biological safety cabinet for chemistry experiments

Info

Publication number: CN209901305U
Application number: CN201920002542.0U
Authority: CN
Inventors: 段宇涵; 江栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-02
Filing date: 2019-01-02
Publication date: 2020-01-07
Anticipated expiration: 2029-01-02

Abstract

The utility model provides a novel biological safety cabinet for chemical experiments, which belongs to the field of chemical experiment equipment and comprises a frame, an operating platform, a cabinet body and a thermostat, wherein the operating platform is arranged at the upper end of the frame; a cabinet body is arranged at the upper end of the operating platform; a constant temperature box is arranged at the right end in the cabinet body; the lower end of the rack is provided with four uniformly distributed caster wheels with brakes; the utility model has the advantages of being scientific and reasonable in design, simple structure, the convenient removal is provided with the thermostated container, and the rational utilization space guarantees simultaneously can be in time to chemical reagent's save, and experimental effect is better, more accurate, and it is accurate to guarantee data, establishes the battery in, avoids having a power failure suddenly to cause the influence to chemical experiment, and the regulation foot cup of setting up guarantees all the level stability on different ground.

Description

Novel biological safety cabinet for chemistry experiments

Technical Field

The utility model relates to a belong to chemical experiment equipment field, specifically be a novel biological safety cabinet for chemistry experiments.

Background

Chemistry is one of important basic sciences, is a subject based on experiments, is rapidly developed in the interpenetration with the subjects of physics, biology, geography, astronomy and the like, and also promotes the development of other subjects and technologies; many of the chemical reactions that generate toxic gases require experimentation to draw conclusions, and the biosafety cabinets for chemical experiments are designed to protect the operator, the laboratory environment, and the experimental materials from exposure to infectious aerosols and spills that may be generated during the procedures described above when handling infectious experimental materials such as primary cultures, strains of bacteria, and diagnostic specimens.

The existing biological safety cabinet for chemical experiments is not provided with a constant temperature box generally, and when the experiment is carried out, certain chemical reagents need to be preserved at constant temperature and cannot be processed in time, so that experimental data is influenced, a box body needs to be additionally arranged, resources are wasted, and time is wasted.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the to-be-solved technical problem of the utility model is to provide a novel biological safety cabinet for chemistry experiments that can keep with constant temperature of the monitoring of accurate experiment.

In order to solve the technical problem, the utility model provides a following technical scheme:

a novel biological safety cabinet for chemical experiments comprises a rack, an operation platform, a cabinet body and a thermostat, wherein the operation platform is arranged at the upper end of the rack; a cabinet body is arranged at the upper end of the operating platform; a constant temperature box is arranged at the right end in the cabinet body; four uniformly distributed casters with brakes are arranged at the lower end of the rack.

As a further improvement of the utility model: the operation platform comprises a glass cover and ultraviolet germicidal lamps, the glass cover is arranged at the front end of the platform body of the operation platform, and the ultraviolet germicidal lamps are uniformly distributed at the rear end and the upper end of the platform body of the operation platform.

As a further improvement of the utility model: the cabinet body comprises a button group and a man-machine system, the button group is arranged on the right lower side of the front end of the cabinet body, and the man-machine system is arranged at the right end of the button group.

As a further improvement of the utility model: the cabinet body still includes filter screen, battery, draught fan, the cone of airing exhaust, filtering cotton net and gas vent, and the filter screen upper end is equipped with threaded connection's battery, and the top plate middle part is equipped with the gas vent on the cabinet body, and the gas vent lower extreme is equipped with filtering cotton net, and filtering cotton net lower extreme is equipped with the cone of airing exhaust, and the cone lower extreme of airing exhaust is equipped with threaded connection's draught fan.

As a further improvement of the utility model: the thermostat comprises a thermostatic motor, a thermostatic fan, supporting plates, a thermostat vent and a thermostat door, wherein the thermostatic fan is arranged at the upper end of the thermostatic motor, the two supporting plates are arranged on the upper portion of the thermostatic fan, the thermostat vent is arranged on a box top plate of the thermostat, and the thermostat door is arranged at the front end of a box body of the thermostat.

As a further improvement of the utility model: the thermostatic box door comprises a handle with a lock and a glass observation window, the glass observation window is arranged in the middle of the door body of the thermostatic box door, and the handle with the lock is arranged at the left end of the glass observation window.

As a further improvement of the present invention: in this embodiment, the frame still includes the regulation foot cup, and the horizontal pole lower extreme is equipped with two bisymmetry regulation foot cups about the both sides of frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of being scientific and reasonable in design, simple structure, the convenient removal is provided with the thermostated container, and the rational utilization space guarantees simultaneously can be in time to chemical reagent's save, and experimental effect is better, more accurate, and it is accurate to guarantee data, establishes the battery in, avoids having a power failure suddenly to cause the influence to chemical experiment, and the regulation foot cup of setting up guarantees all the level stability on different ground.

Drawings

FIG. 1 is a schematic structural diagram of a novel biological safety cabinet for chemical experiments in example 1;

FIG. 2 is a schematic diagram of the right side cross-sectional structure of a novel biological safety cabinet for chemical experiments in example 1;

FIG. 3 is a schematic diagram of the left side cross-sectional structure of a novel biological safety cabinet for chemical experiments in example 1;

FIG. 4 is a schematic structural diagram of a novel biological safety cabinet for chemical experiments in example 2;

in the figure: 1-frame, 2-operation platform, 3-cabinet, 4-incubator, 5-handle with lock, 6-button group, 7-man-machine system, 8-glass cover, 9-truckle with brake, 10-constant temperature motor, 11-constant temperature fan, 12-pallet, 13-incubator vent, 14-incubator door, 15-glass observation window, 16-filter screen, 17-ultraviolet sterilizing lamp, 18-accumulator, 19-draught fan, 20-exhaust cone, 21-filter cotton net, 22-exhaust port, 23-adjusting foot cup.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, the present embodiment provides a novel biological safety cabinet for chemical experiments, including a rack 1, an operation platform 2, a cabinet body 3 and a thermostat 4, wherein the operation platform 2 is arranged at the upper end of the rack 1 for chemical experiments; the upper end of the operating platform 2 is provided with a cabinet body 3, and elements are placed in the cabinet body; a constant temperature box 4 is arranged at the right end in the cabinet body 3 and used for placing chemical reagents to be preserved at constant temperature; four uniformly distributed caster wheels 9 with brakes are arranged at the lower end of the frame 1. The movement is convenient; the operation platform 2 comprises a glass cover 8 and ultraviolet germicidal lamps 17, the glass cover 8 is arranged at the front end of the platform body of the operation platform 2, workers are separated from each other, and the two ultraviolet germicidal lamps 17 which are uniformly distributed are arranged at the rear end and the upper end of the platform body of the operation platform 2 for sterilization treatment; the cabinet body 3 comprises a button group 6 and a man-machine system 7, the button group 6 is arranged on the right lower side of the front end of the cabinet body 3, parameters are set through operation, and the man-machine system 7 is arranged at the right end of the button group 6 and displays data; the cabinet body 3 also comprises a filter screen 16, a storage battery 18, an induced draft fan 19, an exhaust cone 20, a filter cotton net 21 and an exhaust port 22, the storage battery 18 in threaded connection is arranged at the upper end of the filter screen 16 to prevent sudden power failure and influence operation, the exhaust port 22 is arranged in the middle of the upper top plate of the cabinet body 3 to discharge waste gas, the filter cotton net 21 is arranged at the lower end of the exhaust port 22 to filter toxic substances, the exhaust cone 20 is arranged at the lower end of the filter cotton net 21 to guide wind, the induced draft fan 19 in threaded connection is arranged at the lower end of the exhaust cone 20; the constant temperature box 4 comprises a constant temperature motor 10, a constant temperature fan 11, supporting plates 12, a constant temperature box vent 13 and a constant temperature box door 14, wherein the constant temperature fan 11 is arranged at the upper end of the constant temperature motor 10 and used for providing positive pressure fan air, the two supporting plates 12 are arranged at the upper part of the constant temperature fan 11 and used for placing reagents, the constant temperature box vent 13 is arranged on the top plate of the box body of the constant temperature box 4 and used for stabilizing pressure, and the constant temperature box door 14 is arranged at the front end of the box; the thermostat door 14 includes area lock handle 5 and glass observation window 15, and the door body middle part of thermostat door 14 is equipped with glass observation window 15, can observe the inside condition, and glass observation window 15 left end is equipped with area lock handle 5, can only relevant staff open, avoids the maloperation.

Example 2

Referring to fig. 4, in the present embodiment, a novel biological safety cabinet for chemical experiments is provided, and compared with embodiment 1, the frame 1 further includes adjusting foot cups 23, and two pairs of symmetrical adjusting foot cups 23 are provided at the lower ends of the left and right cross bars at two sides of the frame 1, so as to ensure that the biological safety cabinet is stable on different ground surfaces.

The utility model discloses a theory of operation is: the utility model is arranged in a clean environment, after the power is switched on, the ultraviolet sterilizing lamp 17 is lighted to sterilize, a chemical experiment is carried out on the operation platform 2, the draught fan 19 is started to suck air from the operation platform 2 under negative pressure, the waste gas generated by the chemical experiment is filtered for the first time by the filter screen 16, the air passes through the draught fan 19 and is exhausted under positive pressure by the exhaust cone, the waste gas is filtered for the second time by the filter cotton net 21 to obtain clean air, and the clean air is discharged from the exhaust port 22, thereby avoiding environmental pollution and avoiding harm to workers; placing unexperienced reagents or reacted chemical reagents in a constant temperature box 4, and temporarily storing the chemical reagents after parameters are set through a man-machine system 7, so that the method is more convenient and quicker, does not waste resources and saves manpower; and meanwhile, the storage battery 18 avoids the influence of sudden power failure on a chemical experiment.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A novel biological safety cabinet for chemical experiments is characterized by comprising a rack (1), an operating platform (2), a cabinet body (3) and a thermostat (4), wherein the operating platform (2) is arranged at the upper end of the rack (1); a cabinet body (3) is arranged at the upper end of the operating platform (2); a constant temperature box (4) is arranged at the right end in the cabinet body (3); the multifunctional cabinet is characterized in that the lower end of the rack (1) is provided with four uniformly distributed casters (9) with a brake, the operating platform (2) comprises a glass cover (8) and an ultraviolet germicidal lamp (17), the front end of the table body of the operating platform (2) is provided with the glass cover (8), the rear end and the upper end of the table body of the operating platform (2) are provided with the ultraviolet germicidal lamp (17) with two uniform distributions, the cabinet body (3) comprises a button group (6) and a man-machine system (7), the right lower side of the front end of the cabinet body (3) is provided with the button group (6), the right end of the button group (6) is provided with the man-machine system (7), the cabinet body (3) further comprises a filter screen (16), a storage battery (18), an induced draft fan (19), an exhaust cone (20), a filter cotton net (21) and an exhaust port (22), the upper end of the filter screen (16), exhaust port (22) lower extreme is equipped with filtration cotton net (21), and filtration cotton net (21) lower extreme is equipped with air exhaust cone (20), and air exhaust cone (20) lower extreme is equipped with threaded connection's draught fan (19), thermostated container (4) are equipped with thermostated fan (11) including thermostated motor (10), thermostated fan (11), layer board (12), thermostated container vent (13) and thermostated container door (14), and thermostated motor (10) upper end is equipped with thermostated fan (11), and thermostated fan (11) upper portion is equipped with two layer boards (12), is equipped with thermostated container vent (13) on the box roof of thermostated container (4), and the front end of the box of thermostated container (4) is equipped with thermostat.

2. The novel biological safety cabinet for chemical experiments as claimed in claim 1, wherein the thermostatic chamber door (14) comprises a handle (5) with a lock and a glass observation window (15), the glass observation window (15) is arranged in the middle of the door body of the thermostatic chamber door (14), and the handle (5) with the lock is arranged at the left end of the glass observation window (15).

3. The novel biological safety cabinet for chemical experiments as claimed in claim 1, wherein the frame (1) further comprises adjusting feet (23), and the adjusting feet (23) are arranged at the lower ends of the left and right cross bars on the two sides of the frame (1) in a pairwise symmetry manner.