CN214638988U

CN214638988U - Fume chamber convenient to disinfect in cabinet

Info

Publication number: CN214638988U
Application number: CN202120764382.0U
Authority: CN
Inventors: 张园春
Original assignee: Beijing Mingyuan Normal Technology Co ltd
Current assignee: Beijing Mingyuan Normal Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-09
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to a fume chamber convenient to disinfection in cabinet, relate to the field of fume chamber in laboratory, it includes the fume chamber main part, internal chamber of cabinet, ventilation system and disinfection spraying system, the external window of intercommunication is seted up to internal chamber of cabinet's one side, window department is provided with the window door, be provided with the baffle in the internal chamber of cabinet, the baffle divide into the internal chamber of cabinet experimental area and the district of airing exhaust, the experimental area passes through window and external intercommunication, district and experimental area intercommunication of airing exhaust, ventilation system includes air pipe and fan, air pipe's one end lets in the district of airing exhaust, air pipe's the other end accesss to outdoors, the fan is installed in air pipe, disinfection spraying system includes the stock solution chamber, a water pump, connecting pipe and a plurality of atomising head, a plurality of atomising head pass through connecting pipe and water pump intercommunication, the inlet tube of water pump extends in the stock solution chamber. This application has the advantage that makes the staff when disinfecting the cabinet body inner chamber of fume chamber labour saving and time saving.

Description

Fume chamber convenient to disinfect in cabinet

Technical Field

The application relates to the field of fume hoods for laboratories, in particular to a fume hood convenient for disinfection in a cabinet.

Background

The most main function of fume chamber is the gas that produces in the discharge experiment, often can produce materials such as various harmful gas, foul smell, moisture and corrosivity smoke and dust when carrying out the experiment, in order to prevent that the produced pollutant of experiment from to the laboratory diffusion, the experiment generally can be gone on in the fume chamber, and the fume chamber can be with the gas extraction of experiment production to outdoor or purifier to avoid the pollutant to diffuse to indoor.

Referring to fig. 1 and 2, a fume hood is generally known in the related art. The fume chamber includes fume chamber main part 1, cabinet body inner chamber 2 and ventilation system 3, the external window 25 of intercommunication is seted up to one side of cabinet body inner chamber 2, install window door 250 in the window 25, window door 250 includes observation window 251 and operation window 252, observation window 251 is the glass window with operation window 252, observation window 251 sets up the top at operation window 252, and observation window 251 and fume chamber main part 1 rigid coupling, operation window 252 is articulated with fume chamber main part 1, offer the handle hole 2521 that is used for the staff to carry out the experiment on the operation window 252. Be provided with baffle 24 in the cabinet body inner chamber 2, baffle 24 is divided into experimental area 22 and air exhaust district 23 with cabinet body inner chamber 2, and experimental area 22 is located baffle 24 towards one side of window 25, and air exhaust district 23 keeps away from one side of window 25 at baffle 24, and experimental area 22 and air exhaust district 23 communicate in the below of baffle 24.

The ventilation system 3 includes a ventilation duct 31, a suction hood 32, and a fan 33. One end of the ventilation pipeline 31 extends into the exhaust area 23 from the top end of the ventilation cabinet main body 1, an air suction cover 32 is installed at one end of the ventilation pipeline 31 extending into the exhaust area 23, and the other end of the ventilation pipeline 31 leads to the outside. A fan 33 is installed in the ventilation duct 31.

After the blower 33 is activated, the gas generated by the experiment in the experimental region 22 is sucked into the exhaust region 23 and then exhausted to the outside through the air duct 31.

In view of the above-mentioned related technologies, the inventor found that after the fume hood is used for a period of time, a worker needs to sterilize the cabinet inner cavity 2 of the fume hood, and the manner of sterilizing the cabinet inner cavity 2 in the related technologies is generally manual sterilization. When carrying out manual disinfection to the fume chamber, need during the staff bored the fume chamber, clean fume chamber inside with the rag that is stained with the alcohol to cost a large amount of time and energy.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the staff will spend a large amount of time and efforts when disinfecting to the cabinet body inner chamber of fume chamber, this application provides a fume chamber convenient to disinfect in the cabinet.

The application provides a fume chamber convenient to disinfect in cabinet adopts following technical scheme:

the utility model provides a fume chamber convenient to disinfection in cabinet, including the fume chamber main part, internal chamber of cabinet, ventilation system and disinfection spraying system, the external window of intercommunication is seted up to internal chamber of cabinet's one side, window department is provided with the window door, be provided with the baffle in the internal chamber of cabinet, the baffle divide into the internal chamber of cabinet experimental area and air exhaust district, the experimental area passes through window and external intercommunication, air exhaust district and experimental area intercommunication, ventilation system includes air pipe and fan, air pipe's one end lets in the exhaust district, air pipe's the other end accesss to outdoors, the fan is installed in air pipe, disinfection spraying system includes the stock solution chamber, a water pump, connecting pipe and a plurality of atomising head, a plurality of atomising head passes through connecting pipe and water pump intercommunication, the inlet tube of water pump extends in the stock solution chamber.

Through adopting above-mentioned technical scheme, when the staff disinfected cabinet body inner chamber in needs, only need start the water pump, the water pump will be with the antiseptic solution through the connecting pipe send to reach each atomising head in, then the atomising head can be vaporific with the antiseptic solution and spout each region of fume chamber under the pressure of water pump, accomplishes the disinfection to the fume chamber inside. The time and the energy of workers in manual disinfection of the inner cavity of the cabinet body are saved.

Optionally, the connecting pipes are arranged along the side wall of the inner cavity of the cabinet body, and a plurality of buckles for fixing the positions of the connecting pipes are fixedly connected to the inner wall of the inner cavity of the cabinet body.

Through adopting above-mentioned technical scheme, the buckle can be with the stable rigid coupling of connecting pipe in cabinet body inner chamber for disinfection spraying system steady operation.

Optionally, the partition plate includes an upper baffle plate, a lower baffle plate and a pin shaft, the upper baffle plate and the lower baffle plate are hinged together through the pin shaft, the pin shaft is mounted together with the side wall of the inner cavity of the cabinet body, a connecting mechanism is arranged between the upper baffle plate and the upper wall of the inner cavity of the cabinet body, and the connecting mechanism is used for connecting the upper baffle plate and the upper wall of the inner cavity of the cabinet body together.

Through adopting above-mentioned technical scheme, go up the baffle and all can rotate around the round pin axle with lower baffle, go up the baffle and pass through coupling mechanism and be connected with the upper wall of cabinet body inner chamber. When the staff need overhaul interior facilities, can rotate the position that does not hinder the staff through with overhead gage and lower baffle to accomplish repair work under the condition of not dismantling the baffle, for example when the atomising head that needs the exhaust area of change, open coupling mechanism earlier, will go up the baffle again and rotate the position with the laminating of lower baffle surface, the staff directly changes the atomising head in exhaust area.

Optionally, the pin shaft is horizontally arranged in the inner cavity of the cabinet body, a threaded hole is formed in the end portion of the pin shaft, a through hole is formed in the side wall of the ventilation cabinet main body, a bolt penetrates through the through hole, and the bolt penetrates through the through hole in the side wall of the ventilation cabinet main body and then is in threaded connection with the pin shaft through the threaded hole.

Through adopting above-mentioned technical scheme, the connected mode is threaded connection between round pin axle and the fume chamber main part, and the round pin axle can be followed and is pulled apart in the fume chamber main part. The sterilization spraying system can be more conveniently mounted or dismounted by workers.

Optionally, the connecting mechanism includes a hanging ring and a hook, the hanging ring is fixedly connected to the upper wall of the inner cavity of the cabinet body, the hook is hinged to the upper baffle, and the hanging ring is connected with the hook in an articulated manner.

Through adopting above-mentioned technical scheme, go up the baffle and be connected with the couple through rings with cabinet body inner chamber, the convenient dismouting that carries on of being connected between couple and the rings, when the staff need repair the atomising head in the district of airing exhaust, only need pluck rings with the couple, just can hang down the baffle surface under with last baffle to make things convenient for the staff to repair the atomising head in the district of airing exhaust.

Optionally, a gap for ventilation is left between the upper wall of the inner cavity of the cabinet body and the upper baffle.

Through adopting above-mentioned technical scheme, the gas at experiment area top can get into ventilation system through the clearance between the upper wall of cabinet body inner chamber and the last baffle, and the harmful gas that reduces the experiment as far as and produce is detained at the experiment area top.

Optionally, a fixing device for fixing the lower baffle is arranged between the lower baffle and the inner wall of the fume hood main body.

Through adopting above-mentioned technical scheme, the baffle is fixed by fixing device down for the baffle can not rock because of the circulation of air and produce down, thereby influences going on of experiment.

Optionally, the fixing device includes a stay bar and a magnet, the stay bar is installed in the inner cavity of the cabinet body, and the magnet is installed at a position of the stay bar close to the partition plate.

Through adopting above-mentioned technical scheme, the lower baffle of iron is directly held to the magnetite, and when making the fume chamber carry out the exhaust, the baffle can not produce down and rock and cause the interference to the experiment, and the suction of magnet is limited, can not influence the staff again and rotate baffle down when needs.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the disinfection spraying system is arranged in the ventilation cabinet and sprays disinfectant to each area of the inner cavity of the cabinet body in a mist form, so that the inner cavity of the cabinet body is disinfected, and time and energy required by workers for manual disinfection are reduced;

2. the partition plate is designed into a structure of block hinge, so that when workers need to maintain the spray head of the exhaust area in the disinfection spray system, the partition plate does not need to be detached for maintenance, and the workers can conveniently operate the disinfection spray system;

3. connecting the upper baffle plate by installing a connecting mechanism; the fixing device fixes the lower baffle plate, so that each part of the baffle plate is convenient for workers to maintain the disinfection spraying system, and the experiment of the workers is not influenced.

Drawings

Fig. 1 is a schematic structural diagram of a fume hood in the related art.

Fig. 2 is a sectional view of a fume hood structure in the related art.

FIG. 3 is a schematic diagram of a fume hood for facilitating sterilization in a hood, according to an embodiment of the present disclosure.

Figure 4 is a cross-sectional view of the location of a sterilization spray system in a fume hood to facilitate sterilization in the hood in accordance with an embodiment of the present application.

Figure 5 is a cross-sectional view of an intermediate position of a fumehood for facilitating sterilization within the cabinet in accordance with an embodiment of the present application.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Description of reference numerals: 1. a fume hood main body; 11. mounting holes; 2. the inner cavity of the cabinet body; 21. a through hole; 22. an experimental area; 23. a venting zone; 24. a partition plate; 241. an upper baffle plate; 242. a lower baffle plate; 2421. a vent; 243. a pin shaft; 244. a bolt; 25. a window; 250. a window and a door; 251. an observation window; 252. an operating window; 2521. an operation hole; 3. a ventilation system; 31. a ventilation duct; 32. an air intake cover; 33. a fan; 4. a disinfecting spray system; 41. a liquid storage cavity; 411. an addition pipe; 412. a cover body; 42. a water pump; 421. a water inlet pipe; 422. a water outlet; 43. a connecting pipe; 44. a spray head; 45. buckling; 5. a connecting mechanism; 51. a hoisting ring; 52. hooking; 6. a fixing device; 61. a stay bar; 62. and a magnet.

Detailed Description

The present application is described in further detail below with reference to figures 3-6.

The embodiment of the application discloses fume chamber convenient to disinfect in cabinet. Referring to fig. 3 and 4, a ventilation cabinet convenient for disinfection in the cabinet comprises a ventilation cabinet main body 1, a cabinet inner cavity 2, a ventilation system 3 and a disinfection and spray system 4.

The window 25 that communicates the external world is seted up to one side of cabinet body inner chamber 2, installs window door 250 in the window 25, and window door 250 includes observation window 251 and operation window 252, and observation window 251 and operation window 252 are the glass window, and observation window 251 sets up in operation window 252 top to observation window 251 rigid coupling and fume chamber main part 1 rigid coupling, and operation window 252 is articulated with fume chamber main part 1, offers the handle hole 2521 that is used for the staff to carry out the experiment on the operation window 252. The inside baffle 24 that is provided with of cabinet body inner chamber 2, baffle 24 pass through bolt 244 with fume chamber main part 1 and be connected, and baffle 24 divide into experimental area 22 with the district 23 of airing exhaust with cabinet body inner chamber 2, and experimental area 22 is located baffle 24 towards one side of window 25, and the district 23 of airing exhaust keeps away from one side of window 25 at baffle 24, and experimental area 22 and the below intercommunication of district 23 at baffle 24 of airing exhaust.

The ventilation system 3 includes a ventilation duct 31, a suction hood 32, and a fan 33. A mounting hole 11 for mounting a ventilation duct 31 is formed in a ceiling plate of the ventilation hood main body 1, the ventilation duct 31 is connected to the exhaust area 23 through the mounting hole 11, and an air suction cover 32 is fixed to one end of the ventilation duct 31 connected to the mounting hole 11. The other end of the ventilation duct 31 is open to the outside, a fan 33 is installed in the ventilation duct 31, and the fan 33 is used for providing exhaust power for the ventilation system 3.

The sterilization spray system 4 includes a liquid storage chamber 41, a water pump 42, a connection pipe 43, and two spray heads 44. Two spray heads 44 are positioned on the upper wall of the cabinet inner cavity 2, and the two spray heads 44 are respectively arranged in the exhaust area 23 and the experimental area 22. The two spray heads 44 are fixedly connected with a connecting pipe 43, the connecting pipe 43 is a hard pipe, and the connecting pipe 43 is communicated with a water outlet 422 of the water pump 42. The water pump 42 is fixedly connected at the lower corner of one side of the experimental area 22, and the water inlet pipe 421 of the water pump 42 extends into the bottom of the liquid storage cavity 41. The liquid storage cavity 41 is used for storing disinfectant, and in this embodiment, the disinfectant is alcohol. The liquid storage cavity 41 is located in the fume hood main body 1 below the cabinet body inner cavity 2, the liquid storage cavity 41 and the water pump 42 are located on the same side of the cabinet body inner cavity 2, an adding pipeline 411 communicated with the liquid storage cavity 41 is vertically and fixedly connected to the lower wall of the cabinet body inner cavity 2, and the top end of the adding pipeline 411 is in threaded connection with a cover 412 used for sealing the liquid storage cavity 41. After the alcohol is used, the alcohol is added from the adding pipe 411 and then is sealed by the cover 412, so that the volatilization of the alcohol in the liquid storage cavity 41 is reduced.

When the cabinet body inner chamber 2 needs to be disinfected, only the worker needs to open the water pump 42, the water pump 42 can pump out the alcohol in the liquid storage chamber 41, the alcohol is conveyed to the two atomizing heads 44 through the connecting pipe 43, and the alcohol is sprayed out of the atomizing heads 44 under the pressure of the water pump 42, so that the disinfection of the cabinet body inner chamber 2 is completed, and a large amount of time and energy are saved for the worker.

Referring to fig. 4 and 5, the partition 24 includes an upper plate 241, a lower plate 242, and a pin 243, the upper plate 241 and the lower plate 242 are hinged together by the pin 243, and the upper plate 241 can rotate around the pin 243 to a position of surface-fitting with the lower plate 242.

When the spray head 44 of the exhaust area 23 needs to be maintained or replaced, the upper baffle 241 only needs to be rotated downwards to be attached to the surface of the lower baffle 242, at this time, the spray head 44 of the exhaust area 23 is not shielded any more, and a worker directly maintains or replaces the spray head 44 of the exhaust area 23 without detaching the partition 24.

Both ends of the pin shaft 243 are provided with threaded holes, the pin shaft 243 is horizontally arranged on the middle upper part of the inner cavity 2 of the cabinet body, both ends of the pin shaft 243 are abutted against the side wall of the inner cavity 2 of the cabinet body, a through hole 21 is formed in the position where the fume hood main body 1 is in contact with the pin shaft 243, and the bolt 244 penetrates through the through hole 21 to be in threaded connection with the pin shaft 243. A connecting mechanism 5 is arranged on the upper wall of the fume hood main body 1 near the window 25, and the connecting mechanism 5 is used for hanging one side of the upper baffle 241 far away from the pin 243 on the upper wall of the cabinet inner cavity 2.

When the connecting pipe 43 needs to be replaced, the worker first removes the bolt 244 from the outside of the fume hood body 1 to separate the partition plate 24 from the fume hood body 1, and then takes out the partition plate 24 to replace the connecting pipe 43.

The surface of the lower baffle 242 is provided with a plurality of ventilation openings 2421. The vent 2421 can improve the circulation efficiency of air in the hood.

The fixing device 6 is arranged in the cabinet inner cavity 2, and the fixing device 6 is used for fixing the lower baffle 242, so that the lower baffle 242 cannot shake due to gas flowing.

In this embodiment, the fixing device 6 includes a stay 61 and a magnet 62, one end of the stay 61 is horizontally and fixedly connected to the sidewall of the cabinet inner cavity 2 facing the partition 24, the other end of the stay 61 is fixedly connected to the magnet 62, and the magnet 62 attracts the iron lower baffle 242, so that the position of the lower baffle 242 is fixed, and the lower baffle 242 does not shake due to the flow of air, which affects the experiment.

Referring to fig. 6, in the present embodiment, the connection mechanism 5 includes a hanging ring 51 and a hook 52, the hanging ring 51 is fixedly connected to the upper wall of the fume hood main body 1, and the hook 52 is hinged to one side of the upper baffle 241 away from the pin 243, and the hook 52 can rotate. The upper baffle 241 is hung on the upper wall of the cabinet inner cavity 2 by hanging the hook 52 and the hanging ring 51 together. At this time, a gap is reserved between the upper baffle 241 and the fume hood body 1, gas in the experimental area 22 can be sucked into the exhaust area 23 from the gap, and the accumulation of harmful gas generated in the experiment at the top of the experimental area 22 is reduced as much as possible.

In order to fix the connecting pipe 43 in the cabinet body inner cavity 2, a plurality of buckles 45 are fixedly connected to the upper wall of the cabinet body inner cavity 2, and the connecting pipe 43 is tightly held by the buckles 45, so that the connecting pipe 43 is stably and fixedly connected to the fume hood body 1 in operation.

The implementation principle of the fume chamber convenient for disinfection in the chamber in the embodiment of the application is as follows: when the staff need disinfect cabinet body inner chamber 2, only need start water pump 42, alcohol will reach atomising head 44 through connecting pipe 43 in the stock solution chamber 41 under water pump 42's effect, then each region in cabinet body inner chamber 2 is spouted to vaporific form to the completion is to the disinfection of cabinet body inner chamber 2, saves a large amount of time and energy for the staff.

When the spray head 44 of the exhaust area 23 is blocked or damaged, the hook 52 on the upper baffle 241 is firstly detached from the hanging ring 51, so that the upper baffle 241 and the lower baffle 242 are folded together, and workers can repair or replace the spray head 44 without detaching the partition plate 24.

When the connecting pipe 43 needs to be repaired, the worker first removes the bolt 244 from the outside of the fume hood body 1 to separate the partition plate 24 from the fume hood body 1, and then takes out the partition plate 24 to replace the connecting pipe 43.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fume chamber convenient to disinfect in cabinet which characterized in that: comprises a ventilation cabinet main body (1), a cabinet inner cavity (2), a ventilation system (3) and a disinfection spraying system (4), one side of the cabinet inner cavity (2) is provided with a window (25) communicated with the outside, the window (25) is provided with a window door (250), the cabinet inner cavity (2) is internally provided with a partition plate (24), the cabinet inner cavity (2) is divided into an experimental area (22) and an exhaust area (23) by the partition plate (24), the experimental area (22) is communicated with the outside through the window (25), the exhaust area (23) is communicated with the experimental area (22), the ventilation system (3) comprises a ventilation pipeline (31) and a fan (33), one end of the ventilation pipeline (31) is introduced into the exhaust area (23), the other end of the ventilation pipeline (31) is led to the outside, the fan (33) is arranged in the ventilation pipeline (31), the disinfection spraying system (4) comprises a liquid storage cavity (41), a water pump (42), a connecting pipe (43) and a plurality of spraying heads (44), the plurality of spray heads (44) are communicated with a water pump (42) through connecting pipes (43), and a water inlet pipe (421) of the water pump (42) extends into the liquid storage cavity (41).

2. A fumehood for facilitating sterilization in a cabinet according to claim 1 wherein: the connecting pipes (43) are arranged along the side wall of the inner cavity (2) of the cabinet body, and a plurality of buckles (45) used for fixing the positions of the connecting pipes (43) are fixedly connected to the inner wall of the inner cavity (2) of the cabinet body.

3. A fumehood for facilitating sterilization in a cabinet according to claim 1 wherein: the partition plate (24) comprises an upper baffle (241), a lower baffle (242) and a pin shaft (243), the upper baffle (241) and the lower baffle (242) are hinged together through the pin shaft (243), the pin shaft (243) is installed with the side wall of the inner cavity (2) of the cabinet body, a connecting mechanism (5) is arranged between the upper baffle (241) and the upper wall of the inner cavity (2) of the cabinet body, and the connecting mechanism (5) is used for connecting the upper baffle (241) with the upper wall of the inner cavity (2) of the cabinet body.

4. A fumehood for facilitating sterilization in a cabinet according to claim 3 wherein: the hinge pin (243) is horizontally arranged in the cabinet body inner cavity (2), a threaded hole is formed in the end portion of the hinge pin (243), a through hole (21) is formed in the side wall of the fume hood main body (1), a bolt (244) penetrates through the through hole (21) in the side wall of the fume hood main body (1), and the bolt (244) penetrates through the through hole (21) in the side wall of the fume hood main body (1) and then is in threaded connection with the hinge pin (243) through the threaded hole.

5. A fumehood for facilitating sterilization in a cabinet according to claim 3 wherein: the connecting mechanism (5) comprises a hanging ring (51) and a hook (52), the hanging ring (51) is fixedly connected to the upper wall of the inner cavity (2) of the cabinet body, the hook (52) is hinged to the upper baffle (241), and the hanging ring (51) is connected with the hook (52) in a hanging mode.

6. A fumehood for facilitating sterilization in a cabinet according to claim 5 wherein: a gap for ventilation is reserved between the upper wall of the inner cavity (2) of the cabinet body and the upper baffle (241).

7. A fumehood for facilitating sterilization in a cabinet according to claim 3 wherein: a fixing device (6) used for fixing the lower baffle (242) is arranged between the lower baffle (242) and the inner wall of the fume hood main body (1).

8. A fumehood for facilitating sterilization in a cabinet according to claim 7 wherein: the fixing device (6) comprises a support rod (61) and a magnet (62), the support rod (61) is installed in the inner cavity (2) of the cabinet body, and the magnet (62) is installed at the position, close to the partition plate (24), of the support rod (61).