CN219683536U - Safe type fume chamber - Google Patents
Safe type fume chamber Download PDFInfo
- Publication number
- CN219683536U CN219683536U CN202321174801.0U CN202321174801U CN219683536U CN 219683536 U CN219683536 U CN 219683536U CN 202321174801 U CN202321174801 U CN 202321174801U CN 219683536 U CN219683536 U CN 219683536U
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- CN
- China
- Prior art keywords
- cabinet body
- ventilation pipe
- fume hood
- ventilation
- safety
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- 239000003517 fume Substances 0.000 title claims abstract description 26
- 238000004880 explosion Methods 0.000 claims abstract description 22
- 238000013022 venting Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims description 54
- 230000007246 mechanism Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012958 reprocessing Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 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
- 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 a safe type fume chamber. The novel cabinet comprises a cabinet body, wherein a cabinet door is arranged on the front side of the cabinet body, an explosion venting opening is formed in the top of the cabinet body, an illuminating lamp used for covering the explosion venting opening is arranged at the explosion venting opening, one part of the edge of a lampshade of the illuminating lamp is hinged with the top of the cabinet body through a hinge, a connecting rope is arranged at the opposite side of the edge of the lampshade, one end of the connecting rope is connected with the outer side wall of the lampshade through a buckle, and the other end of the connecting rope is also connected with the top of the cabinet body through a buckle. The novel pressure relief cover is simple in structure, the explosion relief opening is not required to be formed by reprocessing the cabinet body, the hole at the position of the illuminating lamp is used as the explosion relief opening, the illuminating lamp is used as the pressure relief cover plate, the cabinet body is not required to be reprocessed, the cost is greatly saved, the use is safer, and the pressure relief is effectively realized.
Description
Technical Field
The utility model belongs to the technical field of laboratory furniture, and particularly relates to a safe type fume hood.
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.
The gas inside the fume hood, such as a sudden expansion, can form an explosion and even threaten the personal safety of other laboratory equipment and/or operators on duty. The existing fume hood is not provided with an explosion venting port, and if the explosion venting port is required to be newly opened, the fume hood needs to be reprocessed, so that the workload is large, the time is long and the cost is high.
Disclosure of Invention
In view of the above problems, an object of an embodiment of the present utility model is to provide a safe fume hood, in which the above problems can be well overcome or at least partially solved by using an illumination hole as a explosion venting port.
The embodiment of the utility model is realized in the following way:
the embodiment of the utility model provides a safe type fume hood, which comprises a hood body, wherein a cabinet door is arranged on the front surface of the hood body, a explosion venting opening is arranged at the top of the hood body, a lighting lamp for covering the explosion venting opening is arranged at the explosion venting opening, one part of the edge of a lamp shade of the lighting lamp is hinged with the top of the hood body through a hinge, a connecting rope is arranged at the opposite side of the edge of the lamp shade, one end of the connecting rope is connected with the outer side wall of the lamp shade through a buckle, and the other end of the connecting rope is also connected with the top of the hood body through a buckle.
Optionally, the connecting rope is made of stainless steel rope.
Optionally, the air conditioner further comprises a ventilation mechanism, the ventilation mechanism comprises a fan, a first ventilation pipe, a second ventilation pipe and a connecting 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 inside of the first ventilation pipe through the first connecting pipe, a plurality of first air outlet holes are formed in the side wall of the first ventilation pipe, the air flow direction blown out from the first air outlet holes faces the inside 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 inside of the first ventilation pipe is communicated with the inside of the second ventilation pipe through the second connecting pipe, and a plurality of second air outlet holes are formed in the side wall of the second ventilation pipe, and the air flow direction blown out from the second air outlet holes faces the inside 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 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 top of the cabinet body is provided with an exhaust hole, an exhaust cover is arranged at the exhaust hole, and the exhaust cover is adjacent to the illuminating lamp.
The beneficial effects of the utility model are as follows:
the safe type fume hood provided by the embodiment of the utility model has the advantages that the structure is simple, the explosion venting opening is not required to be formed by reprocessing the cabinet body, the hole at the position of the illuminating lamp is used as the explosion venting opening, the illuminating lamp is used as the pressure relief cover plate, the cabinet body is not required to be reprocessed, the cost is greatly saved, the use is safer, and the pressure relief can be effectively realized.
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 structural diagram of a safety fume hood 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. an exhaust hood; 11. a lighting lamp; 12. and (5) connecting ropes.
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," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," 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 thus are not to 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 safe type fume hood according to an embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, a safe type fume hood according to an embodiment of the present utility model includes a cabinet body 1.
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 top of the cabinet body 1 is provided with an explosion venting port, the explosion venting port is provided with a lighting lamp 11 for covering the explosion venting port, one part of the edge of a lamp shade of the lighting lamp 11 is hinged with the top of the cabinet body through a hinge, the part of the opposite side of the lighting lamp is provided with a connecting rope 12, one end of the connecting rope 12 is connected with the outer side wall of the lamp shade through a buckle, and the other end of the connecting rope is also connected with the top of the cabinet body through a buckle. In this embodiment, the connecting rope 12 is made of stainless steel rope, so that the strength of the connecting rope 12 is better ensured. The arrangement of the connecting rope 12 plays a role in protecting the illuminating lamp 11, can limit the opening angle of the illuminating lamp 11, and avoids accidents caused by the fact that the illuminating lamp 11 is instantly lifted up, overturned and impacted to other parts of the cabinet body during pressure relief. In this embodiment, the illumination lamp 11 not only plays a role in illumination, but also plays a role in pressure relief.
A ventilation mechanism is also arranged in the cabinet body 1. 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, an exhaust hood 10 is arranged at the exhaust hole, the exhaust hood 10 is adjacent to the illuminating lamp 11, 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 safe type fume hood provided by the embodiment of the utility model has the advantages that the structure is simple, the explosion venting opening is not required to be formed by reprocessing the cabinet body, the hole at the position of the illuminating lamp is used as the explosion venting opening, the illuminating lamp is used as the pressure relief cover plate, the cabinet body is not required to be reprocessed, the cost is greatly saved, the use is safer, and the pressure relief can be effectively realized.
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 (9)
1. A safe fume hood, its characterized in that: the novel multifunctional cabinet is characterized by comprising a cabinet body, wherein a cabinet door is arranged on the front side of the cabinet body, an explosion venting opening is formed in the top of the cabinet body, an illuminating lamp used for covering the explosion venting opening is arranged at the explosion venting opening, one part of the edge of a lamp shade of the illuminating lamp is hinged to the top of the cabinet body through a hinge, a connecting rope is arranged at the opposite side of the edge of the lamp shade, one end of the connecting rope is connected with the outer side wall of the lamp shade through a buckle, and the other end of the connecting rope is connected with the top of the cabinet body through the buckle.
2. A safety fume hood according to claim 1, wherein: the connecting rope is made of stainless steel ropes.
3. A safety fume hood according to claim 2, wherein: still include ventilation mechanism, ventilation mechanism includes fan, first ventilation pipe, second ventilation pipe and connecting 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 blows out is towards the inside of the cabinet body.
4. A safety fume hood according to claim 3 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.
5. A safety fume hood according to claim 3 wherein: the air flow direction blown out from the first air outlet hole is parallel to the inner bottom surface of the cabinet body.
6. A safety fume hood according to claim 3 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.
7. A safety fume hood according to claim 3 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. A safety fume hood according to claim 3 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. A safety fume hood according to claim 3 wherein: the top of the cabinet body is provided with an exhaust hole, an exhaust hood is arranged at the exhaust hole, and the exhaust hood is adjacent to the illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321174801.0U CN219683536U (en) | 2023-05-15 | 2023-05-15 | Safe type fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321174801.0U CN219683536U (en) | 2023-05-15 | 2023-05-15 | Safe type fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219683536U true CN219683536U (en) | 2023-09-15 |
Family
ID=87939661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321174801.0U Active CN219683536U (en) | 2023-05-15 | 2023-05-15 | Safe type fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219683536U (en) |
-
2023
- 2023-05-15 CN CN202321174801.0U patent/CN219683536U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |