CN219724047U - Inclined plane fume chamber of air current is supported in area - Google Patents
Inclined plane fume chamber of air current is supported in area Download PDFInfo
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- CN219724047U CN219724047U CN202321163668.9U CN202321163668U CN219724047U CN 219724047 U CN219724047 U CN 219724047U CN 202321163668 U CN202321163668 U CN 202321163668U CN 219724047 U CN219724047 U CN 219724047U
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- ventilation pipe
- cabinet body
- air outlet
- ventilation
- airflow
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- 239000003517 fume Substances 0.000 title claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Ventilation (AREA)
Abstract
The utility model discloses an inclined plane fume chamber with support airflow. The cabinet comprises a cabinet body and a ventilation mechanism, wherein a cabinet door is arranged on the front side of the cabinet body, the ventilation mechanism comprises a fan, a first ventilation pipe and a second ventilation pipe, the fan is arranged at the bottom of the cabinet body, the first ventilation pipe is transversely arranged on the inner bottom surface of the cabinet body and is close to one end of the cabinet door, the fan is communicated with the inner portion of the first ventilation pipe through a first connecting pipe, a plurality of first air outlet holes are formed in the side wall of the first ventilation pipe, the second ventilation pipe is vertically arranged on the inner side wall of the cabinet body and is close to one end of the cabinet door, the inner portion of the first ventilation pipe is communicated with the inner portion of the second ventilation pipe through a second connecting pipe, and a plurality of second air outlet holes are formed in the side wall of the second ventilation pipe. The cabinet door is simple in structure, when the cabinet door is opened, air flows blown out from the first air outlet hole and the second air outlet hole can play a role in guiding air exhaust, so that the air exhaust capacity of the ventilation cabinet is increased, and the leakage rate is reduced.
Description
Technical Field
The utility model belongs to the technical field of laboratory furniture, and particularly relates to an inclined plane fume hood with a function of supporting airflow.
Background
Fume hoods are an indispensable type of laboratory furniture. The most important among the functions of fume hood is the exhaust function, in chemistry experiment room, produces various harmful gas, foul smell, moisture and inflammable, explosive, corrosive substance during the experimental operation, in order to protect user's safety, prevents the pollutant in the experiment to the diffusion in laboratory, needs to use the fume hood near the pollution source. When the cabinet door of the existing ventilating cabinet is opened, air in the cabinet body flows to operators, and serious potential safety hazards exist.
Disclosure of Invention
In view of the above problems, an object of embodiments of the present utility model is to provide a bevel fume hood with supporting airflow, which has a simple structure and is convenient to use, and can better overcome or at least partially solve the above problems.
The embodiment of the utility model is realized in the following way:
the embodiment of the utility model provides an inclined ventilation cabinet with supporting airflow, which comprises a cabinet body and a ventilation mechanism, wherein the front surface of the cabinet body is provided with a cabinet door, the ventilation mechanism comprises a fan, a first ventilation pipe and a second ventilation pipe, the fan is arranged at the bottom of the cabinet body, the first ventilation pipe is transversely arranged on the inner bottom surface of the cabinet body and is close to the edge position of one end of the cabinet door, the fan is communicated with the interior of the first ventilation pipe through a first connecting pipe, the side wall of the first ventilation pipe is provided with a plurality of first air outlet holes, the airflow direction blown out from the first air outlet holes faces the interior of the cabinet body, the second ventilation pipe is vertically arranged on the inner side wall of the cabinet body and is close to the edge position of one end of the cabinet door, the interior of the first ventilation pipe is communicated with the interior of the second ventilation pipe through a second connecting pipe, the side wall of the second ventilation pipe is provided with a plurality of second air outlet holes, and the airflow direction blown out from the second air outlet holes faces the interior of the cabinet body.
Optionally, the number of the second ventilation pipes is two, and the two second ventilation pipes are symmetrically arranged on two sides of the inside of the cabinet body.
Optionally, the direction of the air flow blown out from the first air outlet is parallel to the inner bottom surface of the cabinet body.
Optionally, an included angle formed by the air flow direction blown out from the second air outlet and the inner side wall of the cabinet body is 40-50 degrees.
Optionally, the first air outlet hole and the second air outlet hole are rectangular holes, round holes or irregularly-shaped holes.
Optionally, the first air outlet hole and the second air outlet hole are rectangular holes, and the size of each rectangular hole is 5cm multiplied by 0.8cm.
Optionally, the plurality of first air outlet holes are distributed along the axial direction of the first ventilation pipe and are located on the same straight line.
Optionally, the plurality of second air outlet holes are distributed along the axial direction of the second ventilation pipe and are located on the same straight line.
Optionally, the first ventilation pipe and the second ventilation pipe are round pipes, square pipes or triangular pipes.
Optionally, an exhaust hole is formed in the top of the cabinet body, and an exhaust hood is arranged at the exhaust hole.
The beneficial effects of the utility model are as follows:
the inclined-plane fume hood with the airflow support, provided by the embodiment of the utility model, has the advantages that the structure is simple, the use is convenient, the blower is started to supply air when the cabinet door is opened, the airflow blown out from the first air outlet hole and the second air outlet hole can play a role in guiding the air exhaust, the air exhaust capacity of the fume hood is increased, and the leakage rate is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic diagram of a bevel fume hood with airflow support according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of the ventilation mechanism.
Reference numerals illustrate: 1. a cabinet body; 2. a cabinet door; 3. a blower; 4. a first ventilation pipe; 5. a second ventilation pipe; 6. a first connection pipe; 7. a second connection pipe; 8. a first air outlet hole; 9. a second air outlet hole; 10. and an exhaust hood.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary for the purpose of illustrating the present utility model and are not to be construed as limiting the present utility model, and various changes, modifications, substitutions and alterations may be made therein by one of ordinary skill in the art without departing from the spirit and scope of the present utility model as defined by the appended claims and their equivalents.
The terms "center," "longitudinal," "transverse," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," and the like in the description of the present utility model refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Furthermore, the terms "comprise," "include," and any variations thereof, are intended to cover a non-exclusive inclusion.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A bevel fume hood with supporting airflow according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an inclined ventilation cabinet with airflow support according to an embodiment of the present utility model includes a cabinet body 1 and a ventilation mechanism.
The front of the cabinet body 1 is provided with a cabinet door 2, and the cabinet door 2 is of a split structure.
The ventilation mechanism comprises a fan 3, a first ventilation pipe 4 and a second ventilation pipe 5.
The fan 3 sets up in the bottom of the cabinet body 1, the edge position department that the first ventilation pipe 4 transversely set up on the interior bottom surface of the cabinet body 1 and be close to cabinet door 2 one end, the fan 3 communicates through first connecting pipe 6 with the inside of first ventilation pipe 4, be equipped with a plurality of first apopores 8 on the lateral wall of first ventilation pipe 4, a plurality of first apopores 8 distribute and lie in same straight line along the axis direction of first ventilation pipe 4, like this, the wind that the fan 3 during operation produced just can flow into in the first ventilation pipe 4 through first connecting pipe 6, then blow out from first air outlet, the air current direction that blows out from first apopore 8 is towards the inside of the cabinet body 1, and the air current direction is on a parallel with the interior bottom surface of the cabinet body 1. The first air outlet holes 8 may be rectangular holes, round holes or irregularly shaped holes, in this embodiment, the first air outlet holes 8 are rectangular holes, and the size of the rectangular holes is 5cm×0.8cm.
The second ventilation pipes 5 are vertically arranged on the inner side wall of the cabinet body 1 and are close to the edge position of one end of the cabinet door 2, the number of the second ventilation pipes 5 is two, and the two second ventilation pipes 5 are symmetrically arranged on two sides of the interior of the cabinet body 1. The two ends of the first ventilation pipe 4 are respectively connected with the lower ends of the two second ventilation pipes 5 through second connection pipes 7, the second connection pipes 7 are used for communicating the inside of the first ventilation pipe 4 with the inside of the second ventilation pipes 5, the upper ends of the second ventilation pipes 5 are closed, a plurality of second air outlet holes 9 are formed in the side wall of the second ventilation pipes 5, the plurality of second air outlet holes 9 are distributed along the axial direction of the second ventilation pipes 5 and are positioned on the same straight line, so that part of air generated by the fan 3 is blown out from the first air outlet holes 8 of the first ventilation pipes 4, the other part of air flows into the second ventilation pipes 5 and is blown out from the second air outlet holes 9, the air flow direction blown out from the second air outlet holes 9 faces the inside of the cabinet body 1, and an included angle formed between the air flow direction blown out from the second air outlet holes 9 and the inner side wall of the cabinet body 1 is 40-50 degrees, and in this embodiment, the air flow direction blown out from the second air outlet holes 9 and the inner side wall of the cabinet body 1 form an included angle of 45 degrees. The second air outlet hole 9 may be a rectangular hole, a round hole or an irregularly shaped hole, in this embodiment, the second air outlet hole 9 is a rectangular hole, and the size of the rectangular hole is 5cm×0.8cm.
The top of the cabinet body 1 is provided with an exhaust hole, the exhaust hole is provided with an exhaust hood 10, and air in the cabinet body 1 can be exhausted from the exhaust hole, so that the fluidity of the air in the cabinet body 1 is better ensured.
The inclined-plane fume chamber with the supporting airflow has the advantages that the structure is simple, the use is convenient, when the cabinet door is opened, the fan is started to supply air at the same time, the airflow blown out from the first air outlet hole and the second air outlet hole can play a role in guiding air exhaust, the air exhaust capacity of the fume chamber is improved, and the leakage rate is reduced.
The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.
Claims (10)
1. An inclined plane fume chamber of air current is supported in area which characterized in that: including the cabinet body and ventilation mechanism, the front of the cabinet body is equipped with the cabinet door, ventilation mechanism includes fan, first ventilation pipe and second ventilation pipe, the fan set up in the bottom of the cabinet body, first ventilation pipe transversely set up in on the interior bottom surface of the cabinet body and be close to the border position department of cabinet door one end, the fan with the inside of first ventilation pipe is through first connecting pipe intercommunication, be equipped with a plurality of first apopores on the lateral wall of first ventilation pipe, follow the air current direction that first apopore blows out is towards the inside of the cabinet body, the second ventilation pipe vertically set up in on the inside wall of the cabinet body and be close to border position department of cabinet door one end, the inside of first ventilation pipe with the inside of second ventilation pipe is through second connecting pipe intercommunication, be equipped with a plurality of second apopores on the lateral wall of second ventilation pipe, follow the air current direction that the second apopore blown out is towards the inside of the cabinet body.
2. The airflow-supporting bevel fume hood of claim 1, wherein: the number of the second ventilation pipes is two, and the two second ventilation pipes are symmetrically arranged on two sides of the inside of the cabinet body.
3. The airflow-supporting bevel fume hood of claim 1, wherein: the air flow direction blown out from the first air outlet hole is parallel to the inner bottom surface of the cabinet body.
4. The airflow-supporting bevel fume hood of claim 1, wherein: the included angle formed by the air flow direction blown out from the second air outlet hole and the inner side wall of the cabinet body is 40-50 degrees.
5. The airflow-supporting bevel fume hood of claim 1, wherein: the first air outlet hole and the second air outlet hole are rectangular holes, round holes or irregularly-shaped holes.
6. The airflow-supporting bevel fume hood of claim 5, wherein: the first air outlet hole and the second air outlet hole are rectangular holes, and the size of each rectangular hole is 5cm multiplied by 0.8cm.
7. The airflow-supporting bevel fume hood of claim 1, wherein: the plurality of first air outlet holes are distributed along the axial direction of the first ventilation pipe and are positioned on the same straight line.
8. The airflow-supporting bevel fume hood of claim 1, wherein: the second air outlet holes are distributed along the axial direction of the second ventilation pipe and are positioned on the same straight line.
9. The airflow-supporting bevel fume hood of claim 1, wherein: the first ventilation pipe and the second ventilation pipe are round pipes, square pipes or triangular pipes.
10. The airflow-supporting bevel fume hood of claim 1, wherein: the top of the cabinet body is provided with an exhaust hole, and an exhaust hood is arranged at the exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163668.9U CN219724047U (en) | 2023-05-15 | 2023-05-15 | Inclined plane fume chamber of air current is supported in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321163668.9U CN219724047U (en) | 2023-05-15 | 2023-05-15 | Inclined plane fume chamber of air current is supported in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219724047U true CN219724047U (en) | 2023-09-22 |
Family
ID=88063476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321163668.9U Active CN219724047U (en) | 2023-05-15 | 2023-05-15 | Inclined plane fume chamber of air current is supported in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219724047U (en) |
-
2023
- 2023-05-15 CN CN202321163668.9U patent/CN219724047U/en active Active
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