Air curtain type dust removal ventilation cabinet

Abstract

The utility model discloses an air curtain type dust removal ventilation cabinet, relates to the field of ventilation cabinets, and aims to solve the technical problems that the air curtain type dust removal ventilation cabinet comprises an experiment cabinet, a rear plate is fixedly installed on the top face of the experiment cabinet, and a ventilation mechanism used for ventilation is arranged on the top face of the rear plate; movable side plates are slidably mounted on the left and right side walls of the experiment cabinet and the ventilation mechanism through driving equipment, an L-shaped guide plate is fixedly mounted on the top surface of the ventilation mechanism, and a U-shaped spray head is fixedly mounted on the bottom surface of the L-shaped guide plate. The air curtain type dust removal ventilation cabinet has the advantages that ventilation treatment is conducted on the interior of the experiment cabinet through the ventilation mechanism, when operation is achieved, external air flows into the interior of the U-shaped spray head through the air filter via the pipeline, the air is vertically sprayed out of the air curtain through the U-shaped spray head, and the air curtain type dust removal ventilation cabinet is used for dust removal. And thus, external air is prevented from being communicated with the top surface of the experiment cabinet, and dust is isolated.

Description

Technical Field

[0001] The utility model relates to the technical field of fume hoods, and more specifically, to an air curtain type dust removal fume hood. Background Art

[0002] Fume hoods are safety equipment used in laboratories and industrial environments to control and handle the release of harmful gases, vapors, dust and chemicals. Fume hoods ensure the safety of experimenters and the environment by extracting air from the hood or supplying fresh air to the hood. Fume hoods are widely used in chemical, biological, pharmaceutical and medical laboratories.

[0003] The Chinese patent with publication number CN105921479A discloses a fume hood, including a left side panel, a right side panel, an exhaust fan, a baffle, a storage box, a workbench, a rear side panel and a glass door, wherein the left side panel and the right side panel are respectively installed at the left and right ends of the workbench, the baffle is installed between the left side panel and the right side panel, and the left side of the baffle is fixedly connected to the left side panel;

[0004] With respect to the above-mentioned disclosed technology, when using a fume hood, the operator needs to connect the inside of the fume hood with the outside when performing experimental operations. When performing experimental operations on the operating table of the fume hood, dust in the external air will enter the inside of the fume hood operating table, thereby affecting the experimental operations.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model aims to provide an air curtain type dust removal fume hood.

[0007] The above technical purpose of the utility model is achieved through the following technical scheme: an air curtain type dust removal fume hood, including a laboratory cabinet, a rear plate is fixedly installed on the top surface of the laboratory cabinet, and a ventilation mechanism for ventilation is arranged on the top surface of the rear plate, and movable side plates are slidably installed on the left and right side walls of the laboratory cabinet and the ventilation mechanism through a driving device, an L-shaped guide plate is fixedly installed on the top surface of the ventilation mechanism, a U-shaped nozzle is fixedly installed on the bottom surface of the L-shaped guide plate, and a pipe is arranged on the top surface of the U-shaped nozzle, the free end of the pipe passes through the L-shaped guide plate and an air filter is inlaid on the surface of the pipe, and the bottom surface of the air filter and the top surface of the ventilation mechanism are fixedly installed.

[0008] The utility model is further configured as follows: a vertical slide rail is fixedly installed on the top surface of the experimental cabinet and the bottom surface of the ventilation mechanism, a fixed explosion-proof glass is fixedly installed on the opposite surface of the vertical slide rail, a movable explosion-proof glass is slidably installed on the opposite surface of the vertical slide rail through a damping slide rail, and an LED lighting lamp is embedded on the bottom surface of the ventilation mechanism.

[0009] The utility model is further configured as follows: a control switch and a plug are arranged on the front side wall of the movable side plate, and when the movable side plate is idle, a protective film is attached to the opposite surface of the movable side plate.

[0010] The utility model is further configured as follows: the experimental cabinet includes a cabinet body, a laboratory water tank is embedded in the top surface of the cabinet body, a faucet is arranged on the top surface of the cabinet body and on the right side of the laboratory water tank, the output end of the faucet is located above the laboratory water tank, and a cabinet door is hingedly installed on the front side wall of the cabinet body.

[0011] The utility model is further configured as follows: the ventilation mechanism includes a shell, the top surface of the rear plate is fixedly mounted with the shell, the bottom surface of the shell is provided with a through hole, the inclined surface of the shell is provided with a through groove, the top surface of the shell is provided with a groove, and an exhaust hood is provided in the groove, the inner wall of the exhaust hood is installed with an exhaust fan through a motor frame, and vertical slide rails are fixedly mounted on the top surface of the laboratory cabinet and the bottom surface of the shell.

[0012] The utility model is further configured as follows: the left and right side walls of the L-shaped guide plate and the left and right inner walls of the movable side plate are fitted together, and the U-shaped nozzle on the bottom surface of the L-shaped guide plate and the inner wall of the movable side plate are fitted together.

[0013] The utility model is further configured as follows: the movable explosion-proof glass and the fixed explosion-proof glass are both 6mm tempered double-layer laminated explosion-proof safety glass.

[0014] In summary, the utility model has the following beneficial effects:

[0015] The interior of the test cabinet is ventilated by the ventilation mechanism. When the operation is realized, the external air flows through the pipeline to the inside of the U-shaped nozzle through the air filter, and the air is sprayed vertically through the U-shaped nozzle to produce an air curtain, thereby preventing the external air from communicating with the top surface of the test cabinet, so as to isolate the dust;

[0016] By vertically pulling the movable explosion-proof glass, the movable explosion-proof glass can be vertically moved inside the fixed explosion-proof glass, making it convenient to perform experimental operations on the top surface of the laboratory cabinet. The explosion-proof performance is improved by using fixed explosion-proof glass and movable explosion-proof glass. LED lighting can facilitate lighting during experimental operations, thereby facilitating experimental operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of part A;

[0021] Figure 5 It is a structural schematic diagram of the utility model when it is idle.

[0022] In the figure: 1. laboratory cabinet; 101. cabinet body; 102. laboratory sink; 103. faucet; 104. cabinet door; 2. back panel; 3. ventilation mechanism; 301. shell; 302. through hole; 303. through slot; 304. exhaust hood; 305. exhaust fan; 4. vertical slide rail; 5. fixed explosion-proof glass; 6. movable explosion-proof glass; 7. LED lighting; 8. movable side panel; 9. L-shaped guide plate; 10. U-shaped nozzle; 11. pipeline; 12. air filter; 13. protective film. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] An air curtain type dust removal fume hood, reference Figures 1 to 5 As shown, it includes a laboratory cabinet 1, a rear plate 2 is fixedly installed on the top surface of the laboratory cabinet 1, and a ventilation mechanism 3 for ventilation is arranged on the top surface of the rear plate 2, and movable side panels 8 are slidably installed on the left and right side walls of the laboratory cabinet 1 and the ventilation mechanism 3 through a driving device, an L-shaped guide plate 9 is fixedly installed on the top surface of the ventilation mechanism 3, a U-shaped nozzle 10 is fixedly installed on the bottom surface of the L-shaped guide plate 9, and a pipe 11 is arranged on the top surface of the U-shaped nozzle 10, the free end of the pipe 11 passes through the L-shaped guide plate 9 and an air filter 12 is inlaid on the surface of the pipe 11, and the bottom surface of the air filter 12 and the top surface of the ventilation mechanism 3 are fixedly installed.

[0025] In the above embodiment: the interior of the experimental cabinet 1 is ventilated through the ventilation mechanism 3. When the operation is implemented, the external air is allowed to flow through the pipe 11 to the interior of the U-shaped nozzle 10 through the air filter 12. The air is sprayed vertically through the U-shaped nozzle 10 to produce an air curtain, thereby preventing the external air from communicating with the top surface of the experimental cabinet 1, thereby isolating the dust.

[0026] refer to Figure 1 , Figure 2 , Figure 3 , Figure 5As shown, a vertical slide rail 4 is fixedly installed on the top surface of the experimental cabinet 1 and the bottom surface of the ventilation mechanism 3, a fixed explosion-proof glass 5 is fixedly installed on the opposite surface of the vertical slide rail 4, a movable explosion-proof glass 6 is slidably installed on the opposite surface of the vertical slide rail 4 through a damping slide rail, and an LED lighting lamp 7 is embedded on the bottom surface of the ventilation mechanism 3.

[0027] In the above embodiment: by vertically pulling the movable explosion-proof glass 6, the movable explosion-proof glass 6 can be vertically moved inside the fixed explosion-proof glass 5, so that experimental operations can be conveniently performed on the top surface of the laboratory cabinet 1. The fixed explosion-proof glass 5 and the movable explosion-proof glass 6 can improve the explosion-proof performance, and the LED lighting 7 can facilitate lighting during experimental operations, thereby facilitating experimental operations.

[0028] refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the front side wall of the movable side panel 8 is provided with a control switch and a plug. When idle, the opposite side of the movable side panel 8 is affixed with a protective film 13.

[0029] In the above embodiment: the control switch and the plug on the front wall of the movable side panel 8 make it convenient to use when performing experimental operations on the top surface of the laboratory cabinet 1, and the protective film 13 on the opposite side of the movable side panel 8 makes it possible to protect the top surface of the laboratory cabinet 1 from dust when it is idle.

[0030] refer to Figure 1 , Figure 2 As shown, the experimental cabinet 1 includes a cabinet body 101, a laboratory water tank 102 is embedded in the top surface of the cabinet body 101, a faucet 103 is arranged on the top surface of the cabinet body 101 and on the right side of the laboratory water tank 102, the output end of the faucet 103 is located above the laboratory water tank 102, and a cabinet door 104 is hingedly installed on the front side wall of the cabinet body 101.

[0031] In the above embodiment: the faucet 103 and the experimental sink 102 facilitate the experimental flushing operation, and the cabinet door 104 is opened to facilitate the storage of experimental materials through the cabinet body 101.

[0032] refer to Figure 1 , Figure 2 , Figure 3 As shown, the ventilation mechanism 3 includes a shell 301, the top surface of the rear plate 2 is fixedly mounted with the shell 301, the bottom surface of the shell 301 is provided with a through hole 302, the inclined surface of the shell 301 is provided with a through groove 303, the top surface of the shell 301 is provided with a groove, and an exhaust hood 304 is provided in the groove, the inner wall of the exhaust hood 304 is installed with an exhaust fan 305 through a motor frame, and the top surface of the experimental cabinet 1 and the bottom surface of the shell 301 are fixedly mounted with a vertical slide rail 4.

[0033] In the above embodiment: the port of the exhaust hood 304 is connected to the ventilation pipe, and the air inside the shell 301 flows through the exhaust fan 305, so that the air is discharged through the exhaust hood 304, and the air flow in the exhaust hood 304 facilitates ventilation of the top surface of the laboratory cabinet 1.

[0034] refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the left and right side walls of the L-shaped guide plate 9 and the left and right inner walls of the movable side plate 8 are fitted together, and the U-shaped nozzle 10 on the bottom surface of the L-shaped guide plate 9 and the inner wall of the movable side plate 8 are fitted together.

[0035] In the above embodiment, an air curtain is formed along the inner wall of the movable side plate 8 by the left and right sides of the U-shaped nozzle 10 being fitted to the inner wall of the movable side plate 8 .

[0036] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the movable explosion-proof glass 6 and the fixed explosion-proof glass 5 are both 6 mm toughened double-layer laminated explosion-proof safety glass.

[0037] In the above embodiment: the explosion-proof performance is improved by using the movable explosion-proof glass 6 and the fixed explosion-proof glass 5 of the double-layer laminated explosion-proof safety glass.

[0038] Working principle: The interior of the experimental cabinet 1 is ventilated through the ventilation mechanism 3. When the operation is implemented, the external air is allowed to flow to the inside of the U-shaped nozzle 10 through the pipe 11 through the air filter 12. The air is sprayed vertically through the U-shaped nozzle 10 to produce an air curtain, thereby preventing the external air from communicating with the top surface of the experimental cabinet 1, thereby isolating the dust. The movable explosion-proof glass 6 is vertically pulled to move vertically inside the fixed explosion-proof glass 5, so that experimental operations on the top surface of the experimental cabinet 1 are convenient. The fixed explosion-proof glass 5 and the movable explosion-proof glass 6 are used to improve the explosion-proof performance. The LED lighting lamp 7 is used to facilitate lighting during experimental operations, thereby facilitating experimental operations.

[0039] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An air curtain dust removal fume hood, characterized in that: The invention comprises a laboratory cabinet (1), wherein a rear plate (2) is fixedly mounted on the top surface of the laboratory cabinet (1), and a ventilation mechanism (3) for ventilation is arranged on the top surface of the rear plate (2), movable side plates (8) are slidably mounted on the left and right side walls of the laboratory cabinet (1) and the ventilation mechanism (3) through a driving device, an L-shaped guide plate (9) is fixedly mounted on the top surface of the ventilation mechanism (3), a U-shaped nozzle (10) is fixedly mounted on the bottom surface of the L-shaped guide plate (9), and a pipe (11) is arranged on the top surface of the U-shaped nozzle (10), the free end of the pipe (11) passes through the L-shaped guide plate (9), and an air filter (12) is inlaid on the surface of the pipe (11), and the bottom surface of the air filter (12) and the top surface of the ventilation mechanism (3) are fixedly mounted.

2. The air curtain type dust removal fume hood according to claim 1, characterized in that: A vertical slide rail (4) is fixedly mounted on the top surface of the experimental cabinet (1) and the bottom surface of the ventilation mechanism (3); a fixed explosion-proof glass (5) is fixedly mounted on the opposite surface of the vertical slide rail (4); a movable explosion-proof glass (6) is slidably mounted on the opposite surface of the vertical slide rail (4) via a damping slide rail; and an LED lighting lamp (7) is embedded on the bottom surface of the ventilation mechanism (3).

3. The air curtain type dust removal fume hood according to claim 1, characterized in that: The front side wall of the movable side panel (8) is provided with a control switch and a plug. When idle, the opposite surface of the movable side panel (8) is affixed with a protective film (13).

4. The air curtain type dust removal fume hood according to claim 1, characterized in that: The experimental cabinet (1) comprises a cabinet body (101), a laboratory water tank (102) is embedded in the top surface of the cabinet body (101), a faucet (103) is arranged on the top surface of the cabinet body (101) and located on the right side of the laboratory water tank (102), the output end of the faucet (103) is located above the laboratory water tank (102), and a cabinet door (104) is hingedly mounted on the front side wall of the cabinet body (101).

5. The air curtain dust removal fume hood according to claim 1, characterized in that: The ventilation mechanism (3) comprises a shell (301), the top surface of the rear plate (2) is fixedly mounted with the shell (301), the bottom surface of the shell (301) is provided with a through hole (302), the inclined surface of the shell (301) is provided with a through slot (303), the top surface of the shell (301) is provided with a slot, and an exhaust hood (304) is arranged in the slot, the inner wall of the exhaust hood (304) is mounted with an exhaust fan (305) via a motor frame, and the top surface of the experimental cabinet (1) and the bottom surface of the shell (301) are fixedly mounted with a vertical slide rail (4).

6. The air curtain type dust removal fume hood according to claim 1, characterized in that: The left and right side walls of the L-shaped guide plate (9) and the left and right inner walls of the movable side plate (8) are arranged in a close fit, and the U-shaped nozzle (10) on the bottom surface of the L-shaped guide plate (9) and the inner wall of the movable side plate (8) are arranged in a close fit.

7. The air curtain type dust removal fume hood according to claim 2, characterized in that: The movable explosion-proof glass (6) and the fixed explosion-proof glass (5) are both 6 mm toughened double-layer laminated explosion-proof safety glass.

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