CN216126289U

CN216126289U - Convenient operation's laboratory is with fume chamber

Info

Publication number: CN216126289U
Application number: CN202122836427.3U
Authority: CN
Inventors: 何平
Original assignee: Shanghai Deka Laboratory System Technology Co ltd
Current assignee: Shanghai Deka Laboratory System Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-03-25
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of fume hoods, and particularly discloses a fume hood convenient to operate for a laboratory, which comprises a hood body, wherein a storage cabinet is arranged at the bottom of the hood body, and the hood body comprises an outer hood and an inner hood positioned inside the outer hood; a cavity is arranged between the outer cabinet and the inner cabinet, and the bottom end of the inner cabinet is fixedly connected with the inner bottom wall of the outer cabinet; the two sides, the rear side and the top of the inner cabinet are provided with a plurality of air inlet holes communicated with the cavity, the top of the outer cabinet is provided with a vent hole, the top of the outer cabinet is provided with an L-shaped vent pipe, and an exhaust fan is arranged in the L-shaped vent pipe through a fixed rod; two square rings are correspondingly and fixedly connected inside the transverse pipe of the L-shaped ventilation pipe, and a filter screen plate is embedded between the two square rings; an exhaust pipe is arranged at one end of the L-shaped ventilation pipe far away from the cabinet body; the utility model can quickly introduce harmful substances into the cavity, and then the harmful substances are filtered and purified by the filter screen plate in the L-shaped ventilation pipe and then discharged, so that harmful gases can be prevented from escaping into a laboratory, and the physical health of experimenters is ensured.

Description

Convenient operation's laboratory is with fume chamber

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a fume hood convenient to operate for a laboratory.

Background

The fume hood mainly has an exhaust function, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated in the experiment operation in a chemical laboratory, and the fume hood is used near a pollution source in order to protect the safety of a user and prevent the diffusion of the pollutants in the experiment to the laboratory.

The prior fume hood for the laboratory can not discharge harmful gas quickly, so that the harmful gas is easy to escape into the laboratory, and the physical health of experimenters is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laboratory fume hood convenient to operate, and aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a laboratory ventilation cabinet convenient to operate comprises a cabinet body, wherein a storage cabinet is arranged at the bottom of the cabinet body, and the cabinet body comprises an outer cabinet and an inner cabinet positioned inside the outer cabinet; a cavity is arranged between the outer cabinet and the inner cabinet, and the bottom end of the inner cabinet is fixedly connected with the inner bottom wall of the outer cabinet; the two sides, the rear side and the top of the inner cabinet are provided with a plurality of air inlet holes communicated with the cavity, the top of the outer cabinet is provided with a vent hole, the top of the outer cabinet is provided with an L-shaped vent pipe, and an exhaust fan is arranged in the L-shaped vent pipe through a fixed rod; two square rings are correspondingly and fixedly connected inside the transverse pipe of the L-shaped ventilation pipe, and a filter screen plate is embedded between the two square rings; and an exhaust pipe is arranged at one end of the L-shaped ventilation pipe far away from the cabinet body.

Preferably, the four corners of the bottom of the storage cabinet are provided with support legs.

Preferably, the top of the transverse pipe of the L-shaped ventilation pipe is provided with a taking and placing groove, the top of the taking and placing groove is provided with a mounting plate, the bottom of the mounting plate is fixedly connected with a connecting rod, and the bottom end of the connecting rod penetrates through the taking and placing groove and is connected with the top of the filter screen plate.

Preferably, the taking and placing groove is arranged corresponding to the filter screen plate and matched with the filter screen plate.

Preferably, the fixture blocks are fixedly connected to four corners of the bottom of the mounting plate and clamped with the reserved grooves in the tops of the L-shaped ventilation pipes.

Preferably, a handle is mounted on the top of the mounting plate.

Preferably, the bottom end of the L-shaped ventilation pipe corresponds to the ventilation hole, the bottom ends of the peripheral sides of the L-shaped ventilation pipe are fixedly connected with the lug plates, and the lug plates are fixed on the top of the outer cabinet through fastening bolts; and a rubber layer is laid at the bottom of the ear plate.

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

1. according to the utility model, the air inlet holes are formed in the two sides, the rear side and the top of the inner cabinet, so that harmful substances can be quickly introduced into the cavity, harmful gas is prevented from escaping into a laboratory, and the physical health of experimenters is ensured.

2. In the utility model, harmful gas is introduced into the cavity through the exhaust fan, then introduced into the L-shaped ventilation pipe through the cavity, filtered and purified by the filter screen plate in the L-shaped ventilation pipe and then discharged through the exhaust pipe, so that the air quality is not easily influenced.

3. According to the utility model, the mounting plate is connected with the top of the filter screen plate through the connecting rod, and the mounting plate is clamped with the top of the L-shaped ventilation pipe through the fixture block, so that the mounting plate is convenient to disassemble and assemble, and the filter screen plate is convenient to take out for cleaning or replacing.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a partially enlarged schematic view of fig. 2.

In the figure: 1. a cabinet body; 101. an outer cabinet; 102. an inner cabinet; 2. a storage cabinet; 3. a cavity; 4. an air inlet hole; 5. a vent hole; 6. an L-shaped vent pipe; 7. fixing the rod; 8. an exhaust fan; 9. a square ring; 10. a filter screen plate; 11. an exhaust pipe; 12. a support leg; 13. a taking and placing groove; 14. mounting a plate; 15. a connecting rod; 16. a clamping block; 17. a handle; 18. an ear plate; 19. fastening a bolt; 20. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a laboratory fume hood convenient to operate comprises a cabinet body 1, wherein a storage cabinet 2 is arranged at the bottom of the cabinet body 1, and the cabinet body 1 comprises an outer cabinet 101 and an inner cabinet 102 positioned inside the outer cabinet 101; a cavity 3 is arranged between the outer cabinet 101 and the inner cabinet 102, and the bottom end of the inner cabinet 102 is fixedly connected with the inner bottom wall of the outer cabinet 101; a plurality of air inlet holes 4 communicated with the cavity 3 are formed in the two sides, the rear side and the top of the inner cabinet 102, a vent hole 5 is formed in the top of the outer cabinet 101, an L-shaped ventilation pipe 6 is arranged at the top of the outer cabinet 101, and an exhaust fan 8 is installed in the L-shaped ventilation pipe 6 through a fixed rod 7; two square rings 9 are correspondingly and fixedly connected inside the transverse pipe of the L-shaped ventilation pipe 6, and a filter screen plate 10 is embedded between the two square rings 9; and an exhaust pipe 11 is arranged at one end of the L-shaped ventilation pipe 6 far away from the cabinet body 1.

Furthermore, four corners of the bottom of the storage cabinet 2 are provided with support legs 12.

Furthermore, a taking and placing groove 13 is formed in the top of the transverse pipe of the L-shaped ventilation pipe 6, a mounting plate 14 is arranged at the top of the taking and placing groove 13, a connecting rod 15 is fixedly connected to the bottom of the mounting plate 14, and the bottom end of the connecting rod 15 penetrates through the taking and placing groove 13 and is connected with the top of the filter screen plate 10.

Further, the taking and placing groove 13 is arranged corresponding to the filter screen plate 10 and is matched with the filter screen plate.

Furthermore, four edges at the bottom of the mounting plate 14 are fixedly connected with fixture blocks 16, and the fixture blocks 16 are clamped with the reserved grooves at the top of the L-shaped ventilation pipe 6.

Further, a handle 17 is mounted on the top of the mounting plate 14, so that the mounting plate 14 can be conveniently detached.

Further, the bottom end of the L-shaped ventilation pipe 6 corresponds to the ventilation hole 5, the bottom end of the circumferential side of the L-shaped ventilation pipe 6 is fixedly connected with an ear plate 18, and the ear plate 18 is fixed on the top of the outer cabinet 101 through a fastening bolt 19; the rubber layer 20 is laid at the bottom of the ear plate 18, so that the sealing performance of the L-shaped ventilation pipe 6 is improved, and harmful gas is prevented from overflowing from gaps.

The working principle is as follows: when the device is used, the exhaust fan 8 is started, the exhaust fan 8 runs, nearby harmful gas can be quickly introduced into the cavity 3 through the air inlet holes 4, the harmful gas is prevented from escaping into a laboratory, and the physical health of experimenters is guaranteed; harmful gas is introduced into the cavity 3, then enters the L-shaped ventilation pipe 6 from the cavity 3, is filtered and purified by the filter screen plate 10 in the L-shaped ventilation pipe 6 and then is discharged through the exhaust pipe 11, so that the air quality is not easily influenced; mounting panel 14 is connected through connecting rod 15 and filter plate 10's top, and mounting panel 14 passes through

fixture block

16 and 6 top joints of L type ventilation pipe, when clearing up, changing filter plate 10, through handle 17 pulling mounting panel 14, makes

fixture block

16 and 6 separation of L type ventilation pipe, easy operation, the dismouting of being convenient for, and then conveniently take out filter plate 10 through getting to put groove 13 and clear up or change.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The laboratory fume hood convenient to operate is characterized by comprising a cabinet body (1), wherein a storage cabinet (2) is arranged at the bottom of the cabinet body (1), and the cabinet body (1) comprises an outer cabinet (101) and an inner cabinet (102) positioned inside the outer cabinet (101); a cavity (3) is arranged between the outer cabinet (101) and the inner cabinet (102), and the bottom end of the inner cabinet (102) is fixedly connected with the inner bottom wall of the outer cabinet (101); the two sides, the rear side and the top of the inner cabinet (102) are provided with a plurality of air inlet holes (4) communicated with the cavity (3), the top of the outer cabinet (101) is provided with air vent holes (5), the top of the outer cabinet (101) is provided with an L-shaped ventilation pipe (6), and an exhaust fan (8) is installed in the L-shaped ventilation pipe (6) through a fixed rod (7); two square rings (9) are correspondingly and fixedly connected inside the transverse pipe of the L-shaped ventilation pipe (6), and a filter screen plate (10) is embedded between the two square rings (9); an exhaust pipe (11) is arranged at one end, far away from the cabinet body (1), of the L-shaped ventilation pipe (6).

2. A fume hood for a laboratory that is convenient to operate as defined in claim 1, wherein: four corners of the bottom of the storage cabinet (2) are provided with support legs (12).

3. A fume hood for a laboratory that is convenient to operate as defined in claim 1, wherein: a taking and placing groove (13) is formed in the top of the transverse pipe of the L-shaped ventilation pipe (6), a mounting plate (14) is arranged at the top of the taking and placing groove (13), a connecting rod (15) is fixedly connected to the bottom of the mounting plate (14), and the bottom end of the connecting rod (15) penetrates through the taking and placing groove (13) and is connected with the top of the filter screen plate (10).

4. A fume hood for a laboratory that is convenient to operate according to claim 3, wherein: the taking and placing groove (13) is arranged corresponding to the filter screen plate (10) and is matched with the filter screen plate.

5. A fume hood for a laboratory that is convenient to operate according to claim 3, wherein: four edges of mounting panel (14) bottom all the rigid coupling have fixture block (16), and the reservation groove joint at fixture block (16) and L type ventilation pipe (6) top.

6. A fume hood for a laboratory that is convenient to operate according to claim 3, wherein: and a handle (17) is arranged at the top of the mounting plate (14).

7. A fume hood for a laboratory that is convenient to operate as defined in claim 1, wherein: the bottom end of the L-shaped ventilation pipe (6) corresponds to the ventilation hole (5), the bottom end of the peripheral side of the L-shaped ventilation pipe (6) is fixedly connected with an ear plate (18), and the ear plate (18) is fixed on the top of the outer cabinet (101) through a fastening bolt (19); and a rubber layer (20) is laid at the bottom of the ear plate (18).