CN218656019U

CN218656019U - Laboratory fume chamber

Info

Publication number: CN218656019U
Application number: CN202223294571.XU
Authority: CN
Inventors: 姜博
Original assignee: Qingdao Boxin Laboratory Engineering Co ltd
Current assignee: Qingdao Boxin Laboratory Engineering Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-21
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a laboratory fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body top fixedly connected with fan, the fan exhaust end runs through cabinet body top and fixedly connected with exhaust pipe, cabinet body one side fixedly connected with glass window, the one side that glass window was kept away from to the internal portion of cabinet is provided with the wind channel, one side middle part fixedly connected with rubber interface of glass window is kept away from in the wind channel, the inside filter screen that is provided with in wind channel, cabinet body middle part fixedly connected with workstation, the workstation is close to the one end fixedly connected with grid in wind channel, the equal fixedly connected with stopper in grid bottom both sides. The utility model discloses a mutually support between wind channel, filter screen and the collection box, through be provided with the filter screen in the wind channel, the while workstation has the collection box that corresponds with the wind channel, and the solid-state sweeps that produces when being convenient for to the experiment collects centralized processing, and its easy operation changes the clearance convenience, has avoided blockking up wind channel and fan air intake, has guaranteed the ventilation efficiency of fume chamber.

Description

Laboratory fume chamber

Technical Field

The utility model relates to a laboratory ventilation equipment technical field specifically is a laboratory fume chamber.

Background

A fume hood is an indispensable one in laboratory furniture. The air exhaust and ventilation effects are achieved in the laboratory. In a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, and in order to protect the safety of a user and prevent pollutants in an experiment from diffusing to the laboratory, a fume hood is used near a pollution source.

Present laboratory fume chamber, when solid-state suspended solids such as smog that produce when testing absorb, the solid particle sweeps is discharged the laboratory by the fan behind the wind channel, and the time has been of a specified duration the sweeps and has been blockked up in wind channel and fan air intake accumulation easily, and then has influenced the ventilation efficiency of fume chamber.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The utility model aims at providing a laboratory fume chamber is convenient for collect centralized processing to experimental air sweeps, avoids causing the wind channel to block up and influences ventilation efficiency.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a laboratory ventilation cabinet comprises a cabinet body, wherein a fan is fixedly connected to the top of the cabinet body, an exhaust end of the fan penetrates through the top of the cabinet body and is fixedly connected with an exhaust pipe, a glass window is fixedly connected to one side of the cabinet body, an air channel is arranged on one side, away from the glass window, of the interior of the cabinet body, a rubber interface is fixedly connected to the middle of one side, away from the glass window, of the air channel, and a filter screen is arranged in the air channel;

the cabinet body middle part fixedly connected with workstation, the workstation is close to the one end fixedly connected with grid in wind channel, the equal fixedly connected with stopper in grid bottom both sides, the outside sliding connection of stopper has the collection box.

As an optimal selection scheme of laboratory fume chamber, wherein, the inside center department in wind channel imbeds fixedly connected with clear glass, the staff of being convenient for is audio-visual sees filterable sweeps in the wind channel.

As a laboratory fume chamber's an preferred scheme, wherein, one side fixedly connected with slide rail of glass window is kept away from to cabinet internal wall, the wind channel both sides all with slide rail sliding connection, four turnings in wind channel are all fixed through the bolt and the slide rail outside, are convenient for install fixedly to the wind channel.

As a laboratory fume chamber's an preferred scheme, wherein, the fan end of bleeding runs through and puts through with rubber interface, the equal fixedly connected with rubber buffer of four corners at filter screen top, the slot that corresponds with the rubber buffer is seted up to rubber interface bottom, the staff of being convenient for dismantles the filter screen from rubber interface.

As a laboratory fume chamber's an preferred scheme, wherein, one side bottom that the cabinet body is close to the glass window is provided with the dodge gate, the dodge gate is located the workstation bottom, and the staff of being convenient for opens, maintains the clearance to collection box etc. of workstation below.

As an optimal selection scheme of laboratory fume chamber, wherein, the rubber interface closely laminates with cabinet internal wall, when on with wind channel assembly slide rail, seals the wind channel for thereby the gas can be discharged through the air intake of fan completely in the laboratory.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

the utility model discloses a mutually support between fan, wind channel, filter screen and the collection box, through be provided with the filter screen in the wind channel, simultaneously table surface has the collection box that corresponds with the wind channel, is convenient for collect centralized processing to the solid-state sweeps that produces when the experiment, and its easy operation changes the clearance convenience, has avoided blockking up wind channel and fan air intake, has guaranteed the ventilation efficiency of fume chamber.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a perspective view of a laboratory fume hood of the present invention;

fig. 2 is a schematic structural view of a laboratory fume hood of the present invention;

fig. 3 is a schematic view of an air duct structure of a laboratory fume hood according to the present invention;

fig. 4 is the utility model relates to a collection box structure schematic diagram of laboratory fume chamber.

Illustration of the drawings: 1. a cabinet body; 2. a fan; 3. an exhaust duct; 4. a glass window; 5. an air duct; 6. transparent glass; 7. a slide rail; 8. a rubber interface; 9. a filter screen; 10. a rubber plug; 11. a work table; 12. a grid; 13. a limiting block; 14. a collection box; 15. a movable door.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Next, the present invention will be described in detail with reference to the schematic drawings, and in order to describe the embodiments of the present invention in detail, the sectional views showing the device structure will not be enlarged partially according to the general scale for convenience of description, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model provides a laboratory ventilation cabinet, which comprises a cabinet body 1, wherein the top of the cabinet body 1 is fixedly connected with a fan 2, the exhaust end of the fan 2 penetrates through the top of the cabinet body 1 and is fixedly connected with an exhaust pipe 3, one side of the cabinet body 1 is fixedly connected with a glass window 4, one side of the cabinet body 1, which is far away from the glass window 4, is provided with an air duct 5, the middle part of one side of the air duct 5, which is far away from the glass window 4, is fixedly connected with a rubber interface 8, and a filter screen 9 is arranged inside the air duct 5;

the cabinet body 1 middle part fixedly connected with workstation 11, workstation 11 are close to the one end fixedly connected with grid 12 of wind channel 5, the equal fixedly connected with stopper 13 in grid 12 bottom both sides, and stopper 13 outside sliding connection has the collection box 14.

Referring to fig. 2 and 3 again, in order to facilitate the staff to visually see the filtered scraps in the air duct 5 and to facilitate timely cleaning, a transparent glass 6 is fixedly connected to the center of the inside of the air duct 5.

Referring to fig. 3 again, in order to facilitate the installation and fixation of the air duct 5, specifically, a sliding rail 7 is fixedly connected to one side of the inner wall of the cabinet body 1 away from the glass window 4, two sides of the air duct 5 are slidably connected to the sliding rail 7, and four corners of the air duct 5 are fixed to the outer side of the sliding rail 7 through bolts.

Please refer to fig. 3 again, in order to facilitate the disassembly and assembly of the filter screen 9, specifically, the air exhaust end of the fan 2 is communicated with the rubber interface 8, the rubber plugs 10 are fixedly connected to four corners of the top of the filter screen 9, the bottom of the rubber interface 8 is provided with slots corresponding to the rubber plugs 10, and the filter screen 9 is disassembled from the rubber interface 8 by the worker.

Referring to fig. 1 again, in order to facilitate maintenance and cleaning of equipment below the workbench 11, specifically, a movable door 15 is disposed at the bottom of one side of the cabinet body 1 close to the glass window 4, and the movable door 15 is located at the bottom of the workbench 11, so that a worker can open the movable door, and maintain and clean a collecting box 14 and the like below the workbench 11.

Referring to fig. 3 again, in order to limit the air outlet of the air duct 5, specifically, the rubber connector 8 is tightly attached to the inner wall of the cabinet 1, and when the air duct 5 is assembled on the slide rail 7, the air in the laboratory can be completely discharged through the air inlet of the fan 2.

When the device is used specifically, the fan 2 is firstly connected with an external power supply, the fan 2 is started to generate suction in the air duct 5, and waste gas, waste chips and the like generated in an experiment are sucked.

After the solid particle waste chips enter the air duct 5, the solid particle waste chips are in contact with the filter screen 9, the solid waste chips are blocked on the filter screen 9, when the experiment is finished, the fan 2 is turned off after the air is continuously ventilated for a period of time, and part of the solid waste chips fall down to the grating 12 from the filter screen 9 in the air duct 5 and fall into the collection box 14 through the grating 12 to be collected.

When the clearance, the staff only need open dodge gate 15, will collect box 14 and slide from stopper 13 to take off filter screen 9 from rubber interface 8, can clear up fast, avoided experiment sweeps waste gas to cause the jam to wind channel 5 simultaneously, guaranteed the efficiency of airing exhaust of fume chamber.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A laboratory ventilation cabinet comprises a cabinet body (1) and is characterized in that the top of the cabinet body (1) is fixedly connected with a fan (2), the exhaust end of the fan (2) penetrates through the top of the cabinet body (1) and is fixedly connected with an exhaust pipe (3), one side of the cabinet body (1) is fixedly connected with a glass window (4), one side, far away from the glass window (4), of the inside of the cabinet body (1) is provided with an air duct (5), the middle of one side, far away from the glass window (4), of the air duct (5) is fixedly connected with a rubber interface (8), and a filter screen (9) is arranged inside the air duct (5);

the utility model discloses a cabinet, including cabinet body (1), workstation (11) are close to one end fixedly connected with grid (12) of wind channel (5), grid (12) bottom both sides equal fixedly connected with stopper (13), stopper (13) outside sliding connection has collection box (14).

2. Laboratory fume hood according to claim 1, characterized in that a transparent glass (6) is embedded and fixedly connected in the center of the interior of the air duct (5).

3. The laboratory fume hood according to claim 1, wherein a sliding rail (7) is fixedly connected to one side of the inner wall of the cabinet body (1) away from the glass window (4), two sides of the air duct (5) are slidably connected with the sliding rail (7), and four corners of the air duct (5) are fixed to the outer side of the sliding rail (7) through bolts.

4. The laboratory fume hood according to claim 1, wherein an air exhaust end of the fan (2) penetrates through and is communicated with a rubber connector (8), rubber stoppers (10) are fixedly connected to four corners of the top of the filter screen (9), and slots corresponding to the rubber stoppers (10) are formed in the bottom of the rubber connector (8).

5. A laboratory fume hood according to claim 1, characterized in that a movable door (15) is arranged at the bottom of one side of the hood body (1) close to the glass window (4), and the movable door (15) is positioned at the bottom of the workbench (11).

6. A laboratory fume hood according to claim 1, characterized in that the rubber mouthpiece (8) is tightly attached to the inner wall of the cabinet body (1).