CN213436221U - Laboratory self-purification formula exhaust equipment - Google Patents
Laboratory self-purification formula exhaust equipment Download PDFInfo
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- CN213436221U CN213436221U CN202021723707.2U CN202021723707U CN213436221U CN 213436221 U CN213436221 U CN 213436221U CN 202021723707 U CN202021723707 U CN 202021723707U CN 213436221 U CN213436221 U CN 213436221U
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- cabinet body
- filter screen
- exhaust pipe
- slot
- laboratory self
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Abstract
The utility model provides a laboratory self-purification formula equipment of airing exhaust, including the cabinet body, exhaust pipe, axial fan and filter screen frame, the cabinet body is provided with workspace, and workspace's top surface is provided with the gas vent that feeds through the top surface of the cabinet body, and the exhaust pipe setting is at the top surface of the cabinet body to with the gas vent intercommunication, axial fan sets up on the route of exhaust pipe, and the exhaust pipe is provided with the slot, and the slot is located axial fan's front end, and the filter screen frame is pegged graft in the slot. This laboratory self-purification formula exhaust equipment filter screen frame can take out on the slot that the exhaust pipe formed and insert, when the new filter screen is changed to needs, can directly take whole filter screen frame out from the slot, can conveniently change the filter screen in the exhaust system to cause polluted environment when can avoiding changing.
Description
Technical Field
The utility model relates to a laboratory auxiliary assembly technical field especially relates to a laboratory self-purification formula equipment of airing exhaust.
Background
In a chemical laboratory, in order to prevent laboratory test personnel from inhaling harmful gases during the operation of instruments, an exhaust system is generally arranged above the instruments and equipment which are easy to generate the gases to quickly filter dust, hot gases, volatile gases, harmful gases and the like generated in the experimental process, so as to prevent the harmful gases from polluting the environment and influencing the health of the operation personnel.
In most cases, the fume hood is adopted as an exhaust system, and pollutants such as harmful gases are filtered by arranging a special filter screen for a laboratory at an air outlet of the fume hood. However, the filter screen of the existing fume hood is inconvenient to replace, and the pollutants adsorbed by the filter screen are easily shaken out in the replacement process, so that the environment can still be polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laboratory self-purification formula exhaust equipment just in order to solve above-mentioned problem, can conveniently change the filter screen among the exhaust system.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a laboratory self-purification formula exhaust equipment, includes the cabinet body, exhaust pipe, axial fan and filter screen frame, the cabinet body is provided with workspace, workspace's top surface is provided with the gas vent that communicates the top surface of the cabinet body, the exhaust pipe sets up the top surface at the cabinet body to communicate with the gas vent, axial fan sets up on the route of exhaust pipe, the exhaust pipe is provided with the slot, the slot is located axial fan's front end, the filter screen frame is pegged graft in the slot.
Furthermore, a handle is arranged on the side surface of the filter screen frame.
Furthermore, the slot is arranged at the foremost end of the exhaust pipe.
Furthermore, a protective door is arranged at the opening of the working space, an air return port communicated with the side face of the cabinet body is arranged on the side face of the working space, and two ends of the exhaust pipe are respectively communicated with the air exhaust port and the air return port.
Further, the axial flow fan is provided with a control switch, and the control switch is arranged on the side face of the cabinet body.
Further, the cabinet body is provided with a storage space.
Furthermore, four angles at the bottom of the cabinet body are provided with universal rollers.
The utility model has the advantages that:
through adopting the technical scheme, the utility model discloses a laboratory self-purification formula exhaust equipment filter screen frame can take out on the slot that the exhaust pipe formed and insert, when the filter screen that needs to be renewed, can directly take whole filter screen frame out from the slot, can conveniently change the filter screen among the exhaust system to cause polluted environment when can avoiding changing.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the laboratory self-cleaning air exhausting device of the present invention.
Reference numerals: 1. a cabinet body; 2. an exhaust duct; 21. a slot; 3. an axial flow fan; 31. a control switch; 4. a filter screen frame; 41. a handle; 5. a workspace; 51. an exhaust port; 52. a protective door; 53. an air return opening; 6. a storage space; 7. and a universal roller.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, a laboratory self-cleaning formula exhaust equipment, including the cabinet body 1, exhaust pipe 2, axial fan 3 and filter screen frame 4, the cabinet body 1 is provided with workspace 5, workspace 5's top surface is provided with the gas vent 51 of communicateing the top surface of the cabinet body 1, exhaust pipe 2 sets up the top surface at the cabinet body 1 to communicate with gas vent 51, axial fan 3 sets up on exhaust pipe 2's route, exhaust pipe 2 is provided with slot 21, slot 21 is located axial fan 3's front end, filter screen frame 4 pegs graft in slot 21.
This laboratory self-purification formula exhaust equipment is similar with the structure of most fume chamber, and the main part is the cabinet body 1, and cabinet body 1 has the workspace 5 of placing experimental apparatus, and exhaust pipe 2 and axial fan 3 increase the air flow in the workspace 5 to filter dust, steam, volatile gas, harmful gas etc. that produce in the experimentation through filter screen frame 4 on the exhaust pipe 2 route. The filter screen frame 4 consists of a frame and a filter screen fixed on the frame, can be inserted into and pulled out of a slot 21 formed by the exhaust pipe 2, is positioned by the frame, and is filtered by the filter screen, when a new filter screen needs to be replaced, the whole filter screen frame 4 can be directly pulled out of the slot 21, and a new filter screen frame 4 is inserted again. And because the process of inserting and drawing the filter screen frame 4 is stable, the filter screen can not be shaken strongly, and pollutants on the filter screen can not be shaken out in the replacement process.
In addition, a handle 41 is provided on the side surface of the filter frame 4, so that the filter frame 4 can be operated more easily. And, the slot 21 is arranged at the foremost end of the exhaust duct 2, namely the top surface of the cabinet body 1, the frame of the filter screen frame 4 is supported by the cabinet body 1, and the filter screen of the filter screen frame 4 is also attached to the exhaust port 51.
When facing high-risk chemicals, the working space 5 needs to be sealed in the experiment process, therefore, a protective door 52 is arranged at the opening of the working space 5, an exhaust structure forms a circulating system, an air return opening 53 communicated with the side face of the cabinet body 1 is arranged on the side face of the working space 5, two ends of the exhaust pipe 2 are respectively communicated with the exhaust opening 51 and the air return opening 53, the working space 5 is isolated from the outside, meanwhile, air in the working space 5 also flows, and the air can be filtered through a filter screen.
In other structures convenient for using the whole exhaust equipment, the control switch 31 of the axial flow fan 3 is arranged on the side surface of the cabinet body 1 and is generally arranged near the working space 5, so that experimenters can conveniently control the starting, the closing and the rotating speed of the axial flow fan 3 and control the gas fluidity of the working space 5. The cabinet body 1 is further provided with a storage space 6 which is generally arranged at the lower part of the cabinet body 1, and the storage space 6 is generally used for placing a standby filter screen frame 4 and other tools. Four angles of the bottom of the cabinet body 1 are provided with universal idler wheels 7, so that the whole air exhaust equipment can be moved in a laboratory, and can be moved to the positions near the experimental device and chemicals to be tested, thereby reducing the movement of the experimental device and the chemicals.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (7)
1. The utility model provides a laboratory self-purification formula exhaust equipment which characterized in that: including the cabinet body, exhaust pipe, axial fan and filter screen frame, the cabinet body is provided with workspace, workspace's top surface is provided with the gas vent that communicates the top surface of the cabinet body, the exhaust pipe sets up the top surface at the cabinet body to communicate with the gas vent, axial fan sets up on the route of exhaust pipe, the exhaust pipe is provided with the slot, the slot is located axial fan's front end, the filter screen frame is pegged graft in the slot.
2. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: and a handle is arranged on the side surface of the filter screen frame.
3. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: the slot is arranged at the foremost end of the exhaust pipe.
4. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: the opening part of working space is provided with the guard gate, the side of working space is provided with the return air inlet that communicates the side of the cabinet body, the both ends of exhaust pipe communicate with gas vent and return air inlet respectively.
5. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: the axial flow fan is provided with a control switch, and the control switch is arranged on the side face of the cabinet body.
6. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: the cabinet body is provided with a storage space.
7. A laboratory self-cleaning exhaust device according to claim 1, characterized in that: four angles of the bottom of the cabinet body are provided with universal idler wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723707.2U CN213436221U (en) | 2020-08-18 | 2020-08-18 | Laboratory self-purification formula exhaust equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021723707.2U CN213436221U (en) | 2020-08-18 | 2020-08-18 | Laboratory self-purification formula exhaust equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213436221U true CN213436221U (en) | 2021-06-15 |
Family
ID=76314152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021723707.2U Active CN213436221U (en) | 2020-08-18 | 2020-08-18 | Laboratory self-purification formula exhaust equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213436221U (en) |
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2020
- 2020-08-18 CN CN202021723707.2U patent/CN213436221U/en active Active
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