CN220038673U - Laboratory ventilation device - Google Patents

Abstract

The utility model discloses a laboratory ventilation device, which belongs to the technical field of ventilation devices and comprises an air inlet shell, wherein a plurality of air inlet pipes communicated with the inside of the air inlet shell are fixedly connected to the outside of the air inlet shell, a filter shell communicated with the inside of the air inlet shell is arranged on the back of the air inlet shell, an air outlet pipeline communicated with the filter shell is fixedly connected to the back of the filter shell, a fan with an air blowing end facing the outside of the air outlet pipeline is arranged in the air outlet pipeline, a filter container is arranged in the filter shell, and a containing cavity for containing active carbon is arranged in the filter container.

Description

Laboratory ventilation device

Technical Field

The utility model relates to the technical field of ventilation devices, in particular to a laboratory ventilation device.

Background

The ventilating duct device is a device for replacing indoor air through a duct design so as to ensure indoor air environment quality, and in a laboratory, frequent circulation of indoor air is more required due to more peculiar smell gas generated in the experiment.

The patent with the publication number of CN211487073U discloses a laboratory ventilation device, replace laboratory air and outside air, thereby make laboratory air keep fresh, the active carbon layer can be in the air replacement, make the harmful gas that volatilizees in the laboratory by the active carbon layer adsorption, thereby can not be discharged to outside air and cause the pollution to the air, but, because laboratory space is great, and the extraction efficiency of air inlet machine is limited, the air far away from the air inlet pipeline is difficult to be extracted and is discharged in the laboratory, still there is more harmful gas in the laboratory, lead to the ventilation effect of laboratory not ideal, the staff is easy to inhale more harmful gas in laboratory operation for a long time, the harmful gas is easy to gradually gather in the human body, then harm human health.

In view of the above, it is necessary to provide a laboratory ventilation device.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to solve the problems in the prior art and provide a laboratory ventilation device, which can realize that air in a laboratory can enter an air inlet shell from the openings of all air inlet pipes when a fan in an air outlet pipeline works by dispersing the openings of a plurality of air inlet pipes in all places of the laboratory, and can be discharged to the outside of the laboratory from the air outlet pipeline after being filtered by a filtering shell so as to effectively ventilate the laboratory.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

Laboratory ventilation unit, including the air inlet casing, the inside air-supply line that is linked together of a plurality of and air inlet casing of air inlet casing outside fixedly connected with, the back of air inlet casing is provided with the filtration casing that is linked together with the inside air inlet casing, the back fixedly connected with of filtration casing is linked together with the air-out pipeline of filtering the casing, be provided with the fan that the end of blowing is outside towards the air-out pipeline in the air-out pipeline, the inside of filtering the casing is provided with filtering container, filtering container's inside is provided with the holding cavity that is used for holding the active carbon. The air outlet pipeline is arranged on the wall of the laboratory in a penetrating manner and is fixed, the openings of the air inlet pipes are dispersed in all parts of the laboratory, and when the fans in the air outlet pipeline work, air in the laboratory can enter the air inlet shell from the openings of the air inlet pipes and can be discharged to the outside of the laboratory from the air outlet pipeline after being filtered by the filtering shell.

Further, the top and the bottom of the air inlet shell and the filter shell are respectively fixedly connected with a first connecting block and a second connecting block, and the second connecting block is connected with the first connecting block through a fastener. The air inlet shell and the filtering shell are stable and firm in connection and convenient to assemble.

Further, the inner wall of the air outlet pipeline is fixedly connected with a plurality of inclined plates which incline downwards. Can effectively prevent in the rainwater gets into the air-out pipeline, effectively prevent to go out in the air-out pipeline ponding and cause the damage to the fan.

Further, the filter container comprises a container body and a cover body, wherein the cover body is arranged at the top of the container body, the accommodating cavity is arranged in the container body, and a plurality of ventilation holes are formed in the front wall and the back wall of the container body. The activated carbon is filled into the accommodating cavity of the container main body, and when air in a laboratory passes through the filtering container, the activated carbon can play a role in adsorption.

Further, a slot matched with the filtering container is formed in one side of the filtering shell, and the filtering container is movably inserted into the slot. The filter container can be pulled out from one side of the filter shell, and the activated carbon in the filter container can be replaced after the cover body is opened.

Further, a sealing plate is fixedly connected to one side of the container main body, a sealing ring is sleeved on the peripheral side face of the sealing plate, which is located inside the slot, and a handle is fixedly connected to one side surface of the sealing plate, which is located outside the slot. The outer periphery side of sealing washer offsets with the inner periphery lateral wall of slot edge department, and the frictional force between sealing plate and the slot in can play certain fixed effect to the filtration container when filling the clearance between slot edge and the sealing plate, and the handle that sets up can make things convenient for the operating personnel to take out the filtration container.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme has adopted air inlet casing, air-supply line, filters the mutual cooperation between casing and the play tuber pipe, disperses the opening of a plurality of air-supply lines in each department of laboratory, and during the fan operation in the air-supply line, the air in the laboratory can get into the air inlet casing from the opening of each air-supply line, can follow the outside of air-supply line discharge to the laboratory after filtering the filtration of casing, and then carries out effective ventilation to the laboratory, has reduced the injury that harmful gas brought when the staff operates for a long time.

(2) This scheme is provided with the filtration container, and the clearance between slot edge and the sealing plate can be filled to the sealing washer, has improved the sealed effect of filtering the casing, and the frictional force between sealing plate and the slot in can play certain fixed effect to the filtration container simultaneously, and the filtration container can be followed one side of filtering the casing and taken out to change the active carbon in the filtration container, easy and simple to handle when simple structure.

Drawings

FIG. 1 is a schematic front view of the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic back view of the whole structure of embodiment 1 of the present utility model;

FIG. 3 is a schematic side view showing the overall structure of embodiment 2 of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

The reference numerals in the figures illustrate:

1. an air inlet shell; 11. an air inlet pipe; 12. a first connection block; 2. a filter housing; 21. a second connection block; 22. a slot; 3. an air outlet pipeline; 31. a sloping plate; 4. a filtration vessel; 41. a container body; 411. a vent hole; 42. a cover body; 43. sealing plate; 431. a seal ring; 432. a handle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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.

Example 1:

referring to fig. 1-2, the laboratory ventilation device comprises an air inlet shell 1, wherein a plurality of air inlet pipes 11 communicated with the inside of the air inlet shell 1 are fixedly connected to the outside of the air inlet shell 1, a filter shell 2 communicated with the inside of the air inlet shell 1 is arranged on the back of the air inlet shell 1, an air outlet pipeline 3 communicated with the filter shell 2 is fixedly connected to the back of the filter shell 2, a fan with the air blowing end facing the outside of the air outlet pipeline 3 is arranged in the air outlet pipeline 3, a filter container 4 is arranged in the filter shell 2, and a containing cavity for containing active carbon is arranged in the filter container 4. The air outlet pipeline 3 is arranged on the wall of the laboratory in a penetrating manner and is fixed, the opening of the air outlet pipeline 3 is located outside the laboratory, the openings of the air inlet pipelines 11 are dispersed in all parts of the laboratory, and when the fans in the air outlet pipeline 3 work, air in the laboratory can enter the air inlet shell 1 from the openings of the air inlet pipelines 11 and can be discharged to the outside of the laboratory from the air outlet pipeline 3 after being filtered by the filtering shell 2.

Wherein, top and bottom fixedly connected with first connecting block 12 and second connecting block 21 respectively of air inlet casing 1 and filtering casing 2, second connecting block 21 and first connecting block 12 are connected through the fastener for air inlet casing 1 and filtering casing 2 convenient assembly in the time of stable firm in connection.

In addition, the pipeline inner wall fixedly connected with a plurality of downward sloping swash plates 31 of the air outlet of air-out pipeline 3 can effectively prevent the rainwater from getting into in the air-out pipeline 3, effectively prevent ponding in the air-out pipeline 3 and cause the damage to the fan.

Example 2:

referring to fig. 1 to 4, the main difference from embodiment 1 is that the filtration vessel 4 is modified, the filtration vessel 4 comprises a vessel body 41 and a cover 42, the cover 42 is disposed on top of the vessel body 41, the accommodating chamber is disposed inside the vessel body 41, and the front wall and the back wall of the vessel body 41 are provided with a plurality of ventilation holes 411. When activated carbon is charged into the accommodating chamber of the container body 41 and air in the laboratory passes through the filter container 4, the activated carbon can exert an adsorption effect.

Wherein, one side of the filtering shell 2 is provided with a slot 22 which is matched with the filtering container 4, and the filtering container 4 is movably inserted in the slot 22. The filter container 4 can be pulled out from one side of the filter housing 2, and the activated carbon in the filter container 4 can be replaced after the cover 42 is opened.

It should be noted that, one side fixedly connected with sealing plate 43 of container main part 41, sealing plate 43 is located the inside week side cover of slot 22 and establishes and fixedly connected with sealing washer 431, and the periphery side of sealing washer 431 offsets with the interior circumference lateral wall of slot 22 edge, and the frictional force between sealing plate 43 and the slot 22 in can play certain fixed effect to filtering container 4 when filling the clearance between slot 22 edge and the sealing plate 43, and sealing plate 43 is located the outside one side surface fixedly connected with handle 432 of slot 22, makes things convenient for the operating personnel to take out filtering container 4.

Working principle: the air outlet pipeline 3 is arranged on the wall of the laboratory in a penetrating mode and is fixed, the opening of the air outlet pipeline 3 is located outside the laboratory, the openings of the air inlet pipelines 11 are dispersed in all parts of the laboratory, when fans in the air outlet pipeline 3 work, air in the laboratory can enter the air inlet shell 1 from the openings of the air inlet pipelines 11, can be discharged to the outside of the laboratory from the air outlet pipeline 3 after being filtered by the filtering shell 2, can effectively ventilate and exhaust the laboratory, and the filtering container 4 is pulled out from one side of the filtering shell 2, so that activated carbon in the filtering container 4 can be replaced.

The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. Laboratory ventilation unit, its characterized in that: including air inlet casing (1), a plurality of air-supply pipes (11) that are linked together with air inlet casing (1) inside of air inlet casing (1) outside fixedly connected with, the back of air inlet casing (1) is provided with filter casing (2) that are linked together with air inlet casing (1) inside, the back fixedly connected with of filter casing (2) is linked together with air-out pipeline (3) of filter casing (2), be provided with the fan of blowing end orientation air-out pipeline (3) outside in air-out pipeline (3), the inside of filter casing (2) is provided with filtration container (4), the inside of filtration container (4) is provided with the accommodation chamber that is used for holding the active carbon.

2. The laboratory ventilation device according to claim 1, wherein: the top and the bottom of the air inlet shell (1) and the filter shell (2) are respectively fixedly connected with a first connecting block (12) and a second connecting block (21), and the second connecting block (21) and the first connecting block (12) are connected through fasteners.

3. The laboratory ventilation device according to claim 1, wherein: the inner wall of the air outlet pipeline (3) is fixedly connected with a plurality of inclined plates (31) which incline downwards.

4. The laboratory ventilation device according to claim 1, wherein: the filtering container (4) comprises a container main body (41) and a cover body (42), wherein the cover body (42) is arranged at the top of the container main body (41), the accommodating cavity is arranged in the container main body (41), and a plurality of ventilation holes (411) are formed in the front wall and the back wall of the container main body (41).

5. The laboratory ventilation device according to claim 4, wherein: one side of the filtering shell (2) is provided with a slot (22) matched with the filtering container (4), and the filtering container (4) is movably inserted into the slot (22).

6. The laboratory ventilation device according to claim 5, wherein: one side of the container main body (41) is fixedly connected with a sealing plate (43), the peripheral side surface of the sealing plate (43) positioned inside the slot (22) is sleeved with a sealing ring (431) and is fixedly connected with a handle (432), and one side surface of the sealing plate (43) positioned outside the slot (22) is fixedly connected with a handle.