Split type modular fuming cupboard

By designing a split modular fume hood, the problem of inconvenience in moving the traditional fume hood is solved, the independent use of the test bench and the convenient movement of the fume hood are achieved, and the efficiency and safety of laboratory work are improved.

CN222790127UActive Publication Date: 2025-04-25NAT HEALTH COMMISSION OCCUPATIONAL SAFETY & HEALTH RES CENT (NAT HEALTH COMMISSION COAL IND OCCUPATIONAL MEDICINE RES CENT)
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Patent Information

Application Number
CN202421611389.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-25
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The traditional fume hood is not convenient to move because the top cabinet body and the bottom test bench are fixed structures, which limits the scope of use of the fume hood.

Method used

A split modular fume hood is designed, adopting a split structure design, and there is no structural connection between the test bench and the ventilator. The test bench can be pulled out separately, and a universal wheel is installed at the bottom for easy movement. Fans and ventilation ducts are installed in the experimental compartment to achieve independent air suction and exhaust function.

Benefits of technology

It realizes the convenient movement and independent use of the fume hood, reduces the floor area and difficulty of moving the equipment, adapts to the needs of different laboratory environments, and improves the efficiency and safety of laboratory work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to and discloses a split type modular fuming cupboard which comprises a test bed and an experiment cabin body, a fan and a split external connection ventilation pipeline are arranged in the experiment cabin body, and a host inspection hole is formed in the front face of the experiment cabin body. An air suction hole is formed in the surface of the test bed; wherein the draught fan is arranged at the position of the split external connection ventilation pipeline, an air inlet of the draught fan is communicated with the air suction hole, an air outlet of the draught fan is communicated with the inlet end of the split external connection ventilation pipeline, and the outlet end of the split external connection ventilation pipeline is used for being externally connected with a pipeline. According to the split type modular fuming cupboard, the structural split type design is adopted, meanwhile, the weight and the size design are reduced, modular design is adopted for multiple structures, it is guaranteed that the functions of the fuming cupboard are complete, the fuming cupboard can be used independently, labor-consuming operation of manual carrying is reduced, and safety and using efficiency are improved; therefore, the device has the technical characteristics of high economic practicability, high safety and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of fume hoods, in particular to a split-type modular fume hood. Background Art

[0002] Laboratory fume hoods are an indispensable part of laboratory design. Their purpose is to protect laboratory workers, prevent toxic and hazardous substances from damaging their health, and protect the safety and hygiene of the laboratory environment.

[0003] The most important function of a fume hood is the exhaust function. In a chemical laboratory, various harmful gases, odors, moisture, and flammable, explosive, and corrosive substances are produced during experimental operations. In order to protect the safety of users and prevent the pollutants in the experiment from spreading into the laboratory, a fume hood should be used near the pollution source.

[0004] Further research found that traditional fume hoods all have exhaust devices installed on the top cabinet, and they are fixed to the bottom test bench. Such fume hoods are not convenient to move, which greatly limits the scope of use of the fume hood. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a split modular fume hood, comprising a test bench 101 and an experimental cabin 201, a fan 202 and a split external ventilation duct 203 are arranged inside the experimental cabin 201, and a host inspection hole 204 is located at the front position of the experimental cabin 201;

[0008] The surface of the test bench 101 is provided with air suction holes 102;

[0009] Among them, the fan 202 is arranged at the split external ventilation duct 203, the air inlet 2021 of the fan 202 is connected to the air suction hole 102, the air outlet 2022 of the fan 202 is connected to the inlet end of the split external ventilation duct 203, and the outlet end of the split external ventilation duct 203 is used for an external pipe; a base body 205 is arranged at the bottom of the experimental cabin 201.

[0010] As a further solution of the present invention: a forklift plugging hole 206 is provided on the outer side of the base body 205 .

[0011] As a further solution of the present invention: an anti-slip cushion layer is provided on the inner wall of the forklift plug-in hole 206 .

[0012] As a further solution of the utility model: the anti-skid pad layer is a rubber layer; the surface of the anti-skid pad layer is provided with anti-skid patterns.

[0013] As a further solution of the present invention: a universal wheel 208 is provided at the bottom of the base body 205 .

[0014] As a further solution of the present invention: the air suction hole 102 is in the shape of a rectangular hole.

[0015] As a further solution of the present invention: an air suction duct wall 103 protruding along the surface of the test bench 101 is arranged outside the air suction hole 102 .

[0016] As a further solution of the present invention: the shape of the air suction hole 102 is a rectangular strip hole or a circular through hole; there are multiple air suction holes 102, and the multiple air suction holes 102 are arranged in a matrix form on the surface of the test bench 101.

[0017] As a further solution of the present invention: an arched cover plate 207 is provided on the outer peripheral surface of the test bench 101 .

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model embodiment provides a split modular fume hood, which only has the structure of the test bench and abandons the structural design of the top ventilation hood; of course, it can also be used in conjunction with a separate ventilation hood; the utility model embodiment provides a split modular fume hood, which adopts a split structural design, and there is no structural connection between the test bench and the ventilation hood; in this way, the test bench 101 can be pulled out for use alone, and a new arched cover plate 207 is redesigned to realize the function of the ventilation hood, and the arched cover plate 207 can be in a semi-closed state when opened, and can achieve a closed effect after being buckled; at the same time, an experimental cabin 201 for independent operation is installed at the test bench 101, and a fan 202 and a split external ventilation duct 203 are installed inside the experimental cabin 201; a host inspection hole 204 is located at the front position of the experimental cabin 201; wherein the fan 202 is arranged at one end of the split external ventilation duct 203, and the other end of the split external ventilation duct 203 is used for an external pipe; a base body 205 is located at the bottom of the experimental cabin 201.

[0020] In this way, not only can the test bench be pulled out for use independently, but the weight of the structure is also reduced, and the universal wheels installed at the bottom also facilitate movement; in order to ensure its independent use, a ventilation device is installed at the bottom of the experimental cabin 201; air is sucked and exhausted through the suction holes 102, and finally the external ventilation duct 203 is separated to discharge the absorbed gas to the outside.

[0021] A split modular fume hood provided in an embodiment of the utility model adopts a split structural design: the fume hood consists of a test bench and an experimental cabin, which is easy to disassemble and move to adapt to different laboratory environments and needs. The modular design is adopted in many structures, which not only allows each part to be used independently, but also facilitates maintenance and upgrading. Although the volume has become smaller, it is fully functional: despite the reduction in volume and weight, the fume hood still maintains necessary functions, such as air suction and exhaust. The design takes into account the convenience in actual use, such as easy movement and installation, and the ability to adapt to different laboratory environments. In summary, the split modular fume hood provided in an embodiment of the utility model is obviously intended to improve the efficiency and safety of laboratory work, while reducing the footprint and movement difficulty of the equipment, making it convenient for technicians to perform laboratory operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a split modular fume hood in the first embodiment of the present invention;

[0023] Figure 2 This is a side structural schematic diagram of a split modular fume hood in the first embodiment of the present invention, in which the arched cover plate is in a semi-enclosed open state;

[0024] Figure 3 This is a side structural schematic diagram of a split modular fume hood in the first embodiment of the present invention in a state where the arched cover plate is closed;

[0025] Figure 4 This is a schematic diagram of the structure of a split modular fume hood after the baffle is removed according to the first embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of a split modular fume hood in the first embodiment after removing one side panel of the experimental cabin;

[0027] Figure 6 This is a schematic diagram of the structure of a split modular fume hood in the first embodiment after removing a side panel of the experimental cabin, a baffle, an arched cover plate and a suction duct wall;

[0028] Figure 7 This is a schematic diagram of the overall structure of a split modular fume hood according to the first embodiment of the present invention.

[0029] In the figure: test bench 101; air suction hole 102; air suction duct wall 103; experimental cabin 201; fan 202; air inlet 2021; air outlet 2022; split external ventilation duct 203; host inspection hole 204; base body 205; forklift plug-in hole 206; arch cover plate 207; universal wheel 208. DETAILED DESCRIPTION

[0030] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0031] Embodiment 1

[0032] like Figures 1 to 6 As shown, the first embodiment of the utility model provides a split modular fume hood, including a test bench 101 and an experimental cabin 201, a fan 202 and a split external ventilation duct 203 are arranged inside the experimental cabin 201, and a host inspection hole 204 is located at the front position of the experimental cabin 201; at the same time, a baffle adapted to the circular shape of the host inspection hole 204 is detachably connected to the host inspection hole 204, Figure 4 A schematic diagram of the structure of the fan 202 in the split modular fume hood is shown after the baffle is removed;

[0033] The surface of the test bench 101 is provided with air suction holes 102;

[0034] Among them, the fan 202 is arranged at the split external ventilation duct 203, the air inlet 2021 of the fan 202 is connected to the air suction hole 102, the air outlet 2022 of the fan 202 is connected to the inlet end of the split external ventilation duct 203, and the outlet end of the split external ventilation duct 203 is used for an external pipe; a base body 205 is arranged at the bottom of the experimental cabin 201.

[0035] Figure 2-Figure 3 This is a schematic diagram of the side view structure of a split modular fume hood in the first embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of a split modular fume hood after the baffle is removed according to the first embodiment of the present invention;

[0036] Figure 5 and Figure 6 All of them are structural schematic diagrams after the arch cover is removed; among them, Figure 5 This is a schematic diagram of the structure of a split modular fume hood in the first embodiment after removing a side panel of the experimental cabin and an arched cover panel; Figure 6 This is a schematic diagram of the structure of a split modular fume hood in the first embodiment after removing a side panel of the experimental cabin, a baffle, an arched cover plate and a suction duct wall;

[0037] A split modular fume hood provided in an embodiment of the utility model has only the structural part of a test bench, and abandons the structural design of the top ventilation hood; of course, it can also be used in conjunction with a separate ventilation hood; a split modular fume hood provided in an embodiment of the utility model adopts a split structural design, and there is no structural connection between the test bench and the ventilation hood; at the same time, an experimental cabin 201 for independent operation is installed at the test bench 101, and a fan 202 and a split external ventilation duct 203 are installed inside the experimental cabin 201; a host inspection hole 204 is located at the front position of the experimental cabin 201; wherein the fan 202 is arranged at one end of the split external ventilation duct 203, and the other end of the split external ventilation duct 203 is used for an external duct; a base body 205 is located at the bottom of the experimental cabin 201.

[0038] In this way, not only can the test bench be pulled out for use independently, but the weight of the structure is also reduced, and the universal wheels installed at the bottom also facilitate movement; in order to ensure its independent use, a ventilation device is installed at the bottom of the experimental cabin 201; air is sucked and exhausted through the suction holes 102, and finally the external ventilation duct 203 is separated to discharge the absorbed gas to the outside.

[0039] As a further solution of the present invention: a forklift plugging hole 206 is provided on the outer side of the base body 205 .

[0040] As a further solution of the present invention: an anti-slip cushion layer is provided on the inner wall of the forklift plug-in hole 206 .

[0041] As a further solution of the utility model: the anti-skid pad layer is a rubber layer; the surface of the anti-skid pad layer is provided with anti-skid patterns.

[0042] As a further solution of the present invention: the air suction hole 102 is in the shape of a rectangular hole.

[0043] As a further solution of the present invention: an air suction duct wall 103 protruding along the surface of the test bench 101 is arranged outside the air suction hole 102 .

[0044] As a further solution of the present invention: the outer peripheral surface of the test bench 101 is provided with an arched cover plate 207; the arched cover plate 207 has a certain air collection and suction effect, thereby better ensuring that the air enters the air suction hole 102 downward. The arched cover plate 207 is rotatably matched with the outer side of the air suction duct wall, so that Figure 2 The arch cover is half-closed and opened. Figure 3specifically, it can be connected by hinges, and even the rotation angle can be adjusted at a certain angle; thus, the hinge mechanism is used to connect the arched cover plate 207, so the arched cover plate 207 can also realize the convenient disassembly function.

[0045] The utility model provides a split modular fume hood, which adopts a more modular design. The base body at the bottom is also configured with forklift plugging holes for easy insertion of forklifts. At the same time, many structures such as the test bench 101, the base body at the bottom, the arched cover plate 207, etc. all adopt a modular detachable design.

[0046] Embodiment 2

[0047] like Figure 7 As shown, the second embodiment of the utility model provides a split modular fume hood, including a test bench 101 and a test chamber 201, a fan 202 and a split external ventilation duct 203 are arranged inside the test chamber 201, and a host inspection hole 204 is located at the front position of the test chamber 201; the surface of the test bench 101 is provided with an air suction hole 102;

[0048] The fan 202 is arranged at the split external ventilation duct 203, the air inlet 2021 of the fan 202 is connected to the air suction hole 102, the air outlet 2022 of the fan 202 is connected to the inlet end of the split external ventilation duct 203, and the outlet end of the split external ventilation duct 203 is used for external pipes; a base body 205 is arranged at the bottom of the experimental cabin 201. The split modular fume hood used in the second embodiment has the same structure as the first embodiment, and the only difference is the base body 205 in the specific structure of the split modular fume hood in the second embodiment, and the bottom of the base body 205 is provided with universal wheels 208.

[0049] The utility model embodiment provides a split modular fume hood, which adopts a split structural design: the fume hood consists of a test bench and an experimental cabin, which is easy to disassemble and move, and can adapt to different laboratory environments and needs. The modular design is adopted in many structures, which not only allows each part to be used independently, but also facilitates maintenance and upgrading. Although the volume has become smaller, it is fully functional: despite the reduction in size and weight, the fume hood still maintains the necessary functions, such as suction and exhaust. The design takes into account the convenience in actual use, such as easy movement and installation, and the ability to adapt to different laboratory environments.

[0050] In summary, the split modular fume hood provided by the embodiment of the utility model is obviously intended to improve the efficiency and safety of laboratory work, while reducing the footprint and mobility of the equipment, thereby facilitating laboratory operations for technicians.

[0051] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0052] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0053] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A split modular fume hood, characterized in that: The invention comprises a test bench (101) and an experimental cabin (201), a fan (202) and a separate external ventilation duct (203) are arranged inside the experimental cabin (201), and a main engine inspection hole (204) is located at the front of the experimental cabin (201); The surface of the test bench (101) is provided with air suction holes (102); The fan (202) is arranged at the split external ventilation duct (203), the air inlet (2021) of the fan (202) is connected to the air suction hole (102), the air outlet (2022) of the fan (202) is connected to the inlet end of the split external ventilation duct (203), and the outlet end of the split external ventilation duct (203) is used for an external pipe; and a base body (205) is arranged at the bottom of the experimental cabin (201).

2. A split modular fume hood according to claim 1, characterized in that: A forklift plugging hole (206) is provided on the outer side of the base body (205).

3. A split modular fume hood according to claim 2, characterized in that: An anti-slip cushion layer is provided on the inner wall of the forklift plug-in hole (206).

4. A split modular fume hood according to claim 3, characterized in that: The anti-skid pad layer is a rubber layer; the surface of the anti-skid pad layer is provided with anti-skid patterns.

5. A split modular fume hood according to claim 4, characterized in that: The air suction hole (102) is in the shape of a rectangular strip hole.

6. A split modular fume hood according to claim 5, characterized in that: An air suction duct wall (103) protruding along the surface of the test bench (101) is arranged outside the air suction hole (102).

7. A split modular fume hood according to claim 2, characterized in that: The outer peripheral surface of the test bench (101) is provided with an arched cover plate (207).

8. The split modular fume hood according to claim 1, characterized in that: The bottom of the base body (205) is provided with a universal wheel (208).