CN220329546U

CN220329546U - Fume chamber wind-guiding structure

Info

Publication number: CN220329546U
Application number: CN202321430424.2U
Authority: CN
Inventors: 乔国敬; 任文博; 黄鹏
Original assignee: Suzhou Gilt Experimental Equipment Co ltd
Current assignee: Suzhou Gilt Experimental Equipment Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-01-12
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a ventilation cabinet air guide structure, which comprises a base and a box body, wherein a storage device is arranged on the top surface of the base, the box body is arranged on the top surface of the storage device, an exhaust pipe is arranged on the top of the box body, an operation platform is arranged on the inner side of the box body, a ventilation device is arranged on the inner wall of the box body, dust and microorganisms in the operation platform can be filtered out by the ventilation device, the ventilation cabinet air guide structure relates to the technical field of ventilation cabinets, and aims to solve the problems that the ventilation cabinet device in the prior art cannot obtain a more comfortable posture when in use, and fatigue is easy to cause after long-time work. The technical effects achieved are as follows: the side suction type glass panel has the advantages that the occupied volume is smaller, and the front side glass panel can be obliquely arranged, so that operators can obtain better comfortableness when using the glass panel.

Description

Fume chamber wind-guiding structure

Technical Field

The utility model relates to the technical field of fume hoods, in particular to an air guide structure of a fume hood.

Background

The fume hood is a safety device for laboratories, hospitals, pharmaceutical factories and other places, and is mainly used for protecting operators and the environment from being polluted by harmful substances. The fume hood can effectively control the harm of harmful gases, dust and microorganisms to human health. The working principle of the fume hood is that indoor air is pumped into the fume hood by utilizing the efficient filter, and harmful gas is discharged downwards by maintaining constant downward airflow in the fume hood, so that the harmful substances are effectively prevented from spreading in a laboratory or an operation area. The prior art fume chamber device is because front glass observation window is vertical state, and operating personnel need keep straight posture when using to lead to the fact colliding with to the head easily when the experiment thing that the low head observation distance is nearer, be difficult to obtain more comfortable posture, long-time work leads to tired easily, has reduced work efficiency.

In view of this, we propose a fume hood wind-guiding structure.

Disclosure of Invention

Therefore, an object of the present utility model is to provide an air guiding structure of a fume hood, so as to solve the above-mentioned problems in the prior art.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

according to the first aspect of the utility model, the ventilation cabinet air guide structure comprises a base and a box body, wherein the top surface of the base is provided with a storage device, the box body is arranged on the top surface of the storage device, the top of the box body is provided with an exhaust pipe, the inner side of the box body is provided with an operation platform, the front surface of the box body is provided with a glass panel which is obliquely installed, the inner wall of the box body is provided with a ventilation device, and dust and microorganisms in the operation platform can be filtered by the ventilation device.

Further, the ventilation device comprises a shell, first holes are uniformly formed in the top surface of the shell, the number of the first holes is two, and fans are arranged on the inner sides of the first holes.

Further, a row of second holes are uniformly formed in the front face of the shell, the second holes are of rectangular structures, and a first filter screen is arranged on the inner side of each second hole.

Further, the fan is arranged on the top surface of the inner wall of the shell, a motor frame is arranged on one side of the fan, a motor is arranged on the inner side of the motor frame, and the output end of the motor is fixedly connected with fan blades.

Further, a second filter screen is arranged on one side of the operation platform, a first side plate is arranged on the other side of the operation platform, a second side plate is fixedly connected to the bottom side of the shell, and a third filter screen is fixedly arranged between the first side plate and the second side plate.

Further, the first filter screen, the second filter screen and the third filter screen are communicated with the air duct.

Further, a protection strip is fixedly connected to the bottom of the glass panel.

Further, the storage device comprises a cabinet body, wherein cabinet doors are uniformly arranged on the front surfaces of the cabinet bodies, and handles are fixedly arranged on the front surfaces of the cabinet doors.

The utility model has the following advantages: this fume chamber is when the operation, and harmful substance and gas often flow along the operation platform below, therefore operating personnel's face and breathing zone often can avoid direct contact to harmful gas, have improved the security of operation to adopt the side to inhale and can make occupation volume littleer, front side glass panel can the slant setting, make operating personnel can obtain better travelling comfort when using.

Drawings

FIG. 1 is a front side perspective view of a fume hood air guiding structure of the present utility model;

FIG. 2 is a side cutaway view of a fume hood air guiding structure of the present utility model;

FIG. 3 is a perspective view of the upper side of a ventilation device of a fume hood air guiding structure of the present utility model;

FIG. 4 is a perspective view of the underside of a ventilation device of a fume hood air guiding structure of the present utility model;

fig. 5 is a diagram showing a fan structure of a ventilating cabinet air guiding structure according to the present utility model

Fig. 6 is a side cross-sectional view of a fume hood air guiding structure according to the present utility model.

In the figure, 1, a base, 11, a cabinet body, 12, a cabinet door, 13, a handle, 2, a box body, 21, an exhaust pipe, 22, an operation platform, 23, a glass panel, 24, a protection strip, 25, a second filter screen, 26, a first side plate, 27, a second side plate, 28, a third filter screen, 31, a first opening, 32, a second opening, 33, a first filter screen, 34, a fan, 341, a motor frame, 342, a motor, 343, a fan blade, 4 and an air duct.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, in an embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes a base 1 and a box 2, wherein a storage device is disposed on a top surface of the base 1, the box 2 is disposed on a top surface of the storage device, an exhaust pipe 21 is disposed on a top of the box 2, an operation platform 22 is disposed on an inner side of the box 2, a glass panel 23 is disposed on a front surface of the box 2, the glass panel is obliquely installed, a ventilation device is disposed on an inner wall of the box 2, and dust and microorganisms in the operation platform 22 can be filtered by the ventilation device;

in the above embodiment, the top surface of the base 1 is consistent with the bottom surface of the case 2, the storage device can store commonly used experimental equipment, consumables and the like, the exhaust duct 21 is connected to the top of the case 2 in a plug-in manner and is communicated with the ventilation device, so that the working environment inside the operation platform 22 can be kept clean, and harmful substances can be prevented from leaking, the glass panel 23 is obliquely installed, so that an operator can observe through the glass panel 23, and a more natural and comfortable observation posture can be provided during observation, thereby reducing fatigue during long-term use.

Example 2

As shown in fig. 3-5, in the embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes the whole content of embodiment 1, in addition, the ventilation device includes a housing 3, the top surface of the housing 3 is uniformly provided with holes one 31, the number of the holes one 31 is two, and fans 34 are disposed inside the holes one 31;

in the above embodiment, the diameter of the fan 34 is equal to the diameter of the first opening 31, and the fan 34 can exhaust the air inside the housing 3.

Example 3

As shown in fig. 3 to 5, in the embodiment of the first aspect of the present utility model, the ventilation cabinet air guiding structure includes the whole content of embodiment 2, in addition, the front surface of the housing 3 is uniformly provided with a row of second openings 32, the second openings 32 are rectangular structures, and the inner sides of the second openings 32 are provided with first filter screens 33;

in the above embodiment, the second openings 32 are rectangular and are uniformly disposed on the front surface of the housing 3, and the first filter screen 33 disposed on the inner side can adhere dust and microorganisms contained in the gas inside the operation platform 22 to the surface of the first filter screen 33, so as to avoid polluting the working environment.

Example 4

As shown in fig. 3-5, in the embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes the whole content of embodiment 2, in addition, the fan 34 is disposed on a top surface of an inner wall of the housing 3, a motor frame 341 is disposed on one side of the fan 34, a motor 342 is disposed inside the motor frame 341, and an output end of the motor 342 is fixedly connected with a fan blade 343;

in the above embodiment, it should be noted that the motor frame 341 has a cross structure, so that the motor 342 can be fixed more stably, and the fan blade 343 is driven to rotate by the rotation of the motor 342, so that the air inside the housing 3 is exhausted.

Example 5

As shown in fig. 1-5, in the embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes the whole content of embodiment 4, in addition, a second filter screen 25 is disposed on one side of the operation platform 22, a first side plate 26 is disposed on the other side of the operation platform 22, a second side plate 27 is fixedly connected to the bottom side of the housing 3, and a third filter screen 28 is fixedly installed between the first side plate 26 and the second side plate 27;

in the above embodiment, it should be noted that, the second side plate 27 is vertically and fixedly connected to the bottom of the housing 3, the first side plate 26 is vertically and fixedly connected to one side of the operation platform 22, the second filter screen 25 can filter air at the outlet of the operation platform 22 to avoid leakage of the polluted gas from the outlet, and the third filter screen 28 can filter the polluted gas at the rear side of the operation platform 22.

Example 6

As shown in fig. 6, in the embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes the whole content of embodiment 5, and in addition, the first filter screen 33, the second filter screen 25 and the third filter screen 28 are all communicated with the air duct 4;

in the above embodiment, the first filter 33, the second filter 25 and the third filter 28 are high-efficiency filters, and the air filtered by the first filter 33, the second filter 25 and the third filter 28 flows into the upper housing 3 through the air duct 4 and is exhausted by the fan 34.

Example 7

As shown in fig. 1-2, in the embodiment of the first aspect of the present utility model, an air guiding structure of a fume hood includes the whole content of embodiment 1, in addition, a protection strip 24 is fixedly connected to the bottom of the glass panel 23, the storage device includes a cabinet body 11, a cabinet door 12 is uniformly arranged on the front surface of the cabinet body 11, and handles 13 are fixedly installed on the front surface of the cabinet door 12;

in the above embodiment, the cabinet 11 can store usual experiment equipment, consumables, and the like, and the cabinet door can be pulled by the handle 13 to more conveniently take the required items.

The use process of the utility model is as follows, when the device is used, the top ventilation device is started, the fan 34 can exhaust the air in the shell 3, the first filter screen 33 can attach dust, microorganisms and the like contained in the air in the operation platform 22 to the surface of the first filter screen 33, the second filter screen 25 can filter the air at the outlet of the operation platform 22 to avoid leakage of polluted air from the outlet, the third filter screen 28 can filter the polluted air at the rear side of the operation platform 22, the air filtered by the first filter screen 33, the second filter screen 25 and the third filter screen 28 flows into the upper shell 3 through the air duct 4, the air is exhausted through the fan 34, the glass panel 23 is obliquely installed, the operator can observe through the glass panel 23, and a more natural and more comfortable observation posture can be provided during observation, so that fatigue caused by long-time use is reduced.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a fume chamber wind-guiding structure, includes base (1) and box (2), base (1) top surface is equipped with storing device, box (2) set up the top surface at storing device, the top of box (2) is equipped with exhaust pipe (21), box (2) inboard is provided with operation platform (22), a serial communication port, box (2) openly is equipped with glass panel (23), glass panel is the slant installation, box (2) inner wall is equipped with ventilation unit, ventilation unit can filter dust and microorganism in operation platform (22).

2. The ventilation cabinet air guide structure according to claim 1, wherein the ventilation device comprises a housing (3), openings (31) are uniformly formed in the top surface of the housing (3), the number of the openings (31) is two, and fans (34) are arranged on the inner sides of the openings (31).

3. The ventilation cabinet air guide structure according to claim 2, wherein a row of second holes (32) are uniformly formed in the front face of the housing (3), the second holes (32) are rectangular, and a first filter screen (33) is arranged on the inner side of the second holes (32).

4. A fume chamber wind-guiding structure according to claim 3, wherein said fan (34) is arranged on the top surface of the inner wall of the casing (3), one side of said fan (34) is provided with a motor frame (341), the inner side of said motor frame (341) is provided with a motor (342), and the output end of said motor (342) is fixedly connected with a fan blade (343).

5. The ventilation cabinet air guide structure according to claim 4, wherein a second filter screen (25) is arranged on one side of the operation platform (22), a first side plate (26) is arranged on the other side of the operation platform (22), a second side plate (27) is fixedly connected to the bottom side of the housing (3), and a third filter screen (28) is fixedly arranged between the first side plate (26) and the second side plate (27).

6. The air guiding structure of a fume hood according to claim 5, wherein the first filter (33), the second filter (25) and the third filter (28) are all communicated with the air duct (4).

7. A fume hood air guiding structure according to claim 1, characterized in that the bottom of said glass panel (23) is fixedly connected with a bead (24).

8. The ventilation cabinet air guide structure according to claim 1, wherein the storage device comprises a cabinet body (11), cabinet doors (12) are uniformly arranged on the front surfaces of the cabinet bodies (11), and handles (13) are fixedly arranged on the front surfaces of the cabinet doors (12).