Laboratory ventilation equipment convenient to clean

Abstract

The utility model relates to the technical field of laboratory ventilation, and discloses laboratory ventilation equipment convenient to clean, which comprises an experiment cabinet, a closing door arranged at the front end of the experiment cabinet, a fixed box fixedly arranged at the upper end of the experiment cabinet, an exhaust box arranged inside the fixed box, and a flange fixedly arranged at the upper end of the exhaust box. A support is fixedly arranged in the exhaust box, an exhaust motor is fixedly arranged at the upper end of the support, a quick dismounting structure is arranged between the exhaust box and the fixed box and comprises screws arranged on the two sides of the fixed box in a threaded mode, and locking holes are formed in the portions, located at the output ends of the screws, of the side wall of the exhaust box. According to the laboratory ventilation equipment convenient to clean, the dismounting and cleaning efficiency of the exhaust box can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory ventilation technical field, concretely is a laboratory ventilation equipment convenient to clean. BACKGROUND

[0002] The laboratory fume hood is a kind of equipment specially designed to protect experimental personnel from the influence of harmful gas, vapor and dust, which reduces the pollution in laboratory by local exhaust, ensures safety and health.

[0003] The existing patent number CN209647179U proposes a laboratory fume hood, which can place experimental containers on the placement platform. Since the installation guide rail is vertically arranged, multiple placement platforms are arranged along the height direction of the installation guide rail, so multiple experimental containers are also arranged along the height direction of the installation guide rail.

[0004] However, when the cabinet body needs to be removed in the later period, the exhaust motor and the exhaust tank at the upper end of the cabinet body are generally borrowed from external removal tools to remove the screws. It is difficult to disassemble and clean. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a laboratory ventilation equipment convenient to clean to solve the problem that the existing cabinet body needs to be removed in the later period, the exhaust motor and the exhaust tank at the upper end of the cabinet body are generally borrowed from external removal tools to remove the screws, and it is difficult to disassemble and clean.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a laboratory ventilation equipment convenient to clean, comprising a laboratory cabinet, a closing door is arranged at the front end of the laboratory cabinet, a fixed box is fixedly arranged at the upper end of the laboratory cabinet, an exhaust tank is arranged in the fixed box, a flange is fixedly arranged at the upper end of the exhaust tank, a support is fixedly arranged in the exhaust tank, an exhaust motor is fixedly arranged at the upper end of the support, a quick removal structure is arranged between the exhaust tank and the fixed box, the quick removal structure comprises screw rods arranged in screw threads on both sides of the fixed box, and a locking hole is arranged in the side wall of the exhaust tank at the output end of the screw rod.

[0007] Preferably, an adjustment structure is arranged between the flange and the exhaust tank, the adjustment structure comprises a machine box fixedly arranged at the front end of the exhaust tank, a lead screw is arranged in the machine box, a sliding groove is arranged at the upper end of the exhaust tank, the flange is arranged in the sliding groove, a sliding block is arranged in screw threads on the outer wall of the lead screw, a connecting plate is arranged at the rear end of the sliding block, and the rear end of the connecting plate is fixedly connected with the front end of the flange.

[0008] Preferably, guide plates are fixedly arranged at the front end and the rear end of both sides of the exhaust tank, and guide grooves are arranged at the upper end of the fixed box below the guide plates.

[0009] Preferably, the inner wall of the exhaust tank is fixedly provided with a horizontal plate, the upper end of the horizontal plate is fixedly provided with a guide rod, and the lower end of the flange slides on the outer wall of the guide rod.

[0010] Preferably, the front end of the experiment cabinet is slidably provided with three storage boxes.

[0011] Preferably, the inner wall of the sliding groove is fixedly provided with a sealing ring.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1) By setting up the quick dismounting structure, when the exhaust tank is taken out for cleaning operation of the exhaust motor and the fan blade of the exhaust motor in the later period, it is not necessary to borrow external tools, and the upper body exhaust tank can be quickly disassembled by manually dismounting the screw rod, so that the cleaning in the later period is facilitated.

[0014] 2) By setting up the adjusting structure, when the flange is connected with the vertical exhaust pipe, the height of the flange can be adjusted, so that the flange can be accurately connected with the vertical exhaust pipe when the flange is connected with the vertical exhaust pipe, and the installation difficulty of the operator is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the laboratory ventilation equipment convenient to clean in the embodiment of the utility model;

[0016] Figure 2 It is a sectional view structure schematic view of the experiment cabinet in the embodiment of the utility model;

[0017] Figure 3 It is a sectional view structure schematic view of the fixed box in the embodiment of the utility model;

[0018] Figure 4 It is a sectional view structure schematic view of the exhaust tank in the embodiment of the utility model;

[0019] Figure 5 It is Figure 4 It is an enlarged structure schematic view of A in the embodiment of the utility model;

[0020] Figure 6 It is a horizontal plate and flange dismounting structure schematic view in the embodiment of the utility model.

[0021] In the drawing: 1, experiment cabinet; 2, closing door; 3, fixed box; 4, exhaust tank; 5, flange; 6, quick dismounting structure; 7, screw rod; 8, locking hole; 9, support; 10, exhaust motor; 11, guide plate; 12, guide groove; 13, adjusting structure; 14, machine case; 15, screw rod; 16, sliding groove; 17, sliding block; 18, connecting plate; 19, horizontal plate; 20, guide rod; 21, storage box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In combination Figures 1-6 A laboratory ventilation equipment convenient to clean, including experiment cabinet 1, experiment cabinet 1 front end is provided with the closing door 2, the fixed box 3 is fixedly arranged on the upper end of experiment cabinet 1, the fixed box 3 inside is provided with exhaust box 4, the upper end of exhaust box 4 is fixedly provided with flange 5, the inside of exhaust box 4 is fixedly provided with support 9, the upper end of support 9 is fixedly provided with exhaust motor 10, the quick removal structure 6 is arranged between exhaust box 4 and fixed box 3, the quick removal structure 6 includes the threaded screw rod 7 of the both sides of fixed box 3, the side wall of exhaust box 4 at the output end of screw rod 7 is provided with locking hole 8.

[0025] Referring to Figure 3 , Figure 4 , Figure 5 , Figure 6 Further, the front and rear ends of the two sides of the exhaust box 4 are fixedly provided with guide plates 11, the upper end of the fixed box 3 located below the guide plate 11 is provided with a guide groove 12, the inner wall of the exhaust box 4 is fixedly provided with a horizontal plate 19, the upper end of the horizontal plate 19 is fixedly provided with a guide rod 20, the lower end of the flange 5 is located outside the guide rod 20, the front end of the experiment cabinet 1 is slidably provided with three storage boxes 21, and the inner wall of the sliding groove 16 is fixedly provided with a sealing ring.

[0026] Specifically, the butt joint of the guide plate 11 and the guide groove 12 can accelerate the butt joint efficiency of the exhaust box 4 and the fixed box 3, the horizontal plate 19 is used to fixedly arrange the guide rod 20, the lower end of the flange 5 is located outside the guide rod 20, which can ensure the stability of the flange 5, and the sealing ring can ensure the sealing of the contact between the exhaust box 4 and the outer wall of the flange 5.

[0027] Embodiment two

[0028] Referring to Figure 5 , and on the basis of embodiment one, further obtained, the adjustment structure 13 is arranged between the flange 5 and the exhaust box 4, the adjustment structure 13 includes the machine case 14 fixedly arranged at the front end of the exhaust box 4, the machine case 14 is provided with a lead screw 15 inside, the upper end of the exhaust box 4 is provided with a sliding groove 16, the flange 5 is located inside the sliding groove 16, the outer wall of the lead screw 15 is threadedly provided with a sliding block 17, the rear end of the sliding block 17 is provided with a connecting plate 18, and the rear end of the connecting plate 18 is fixedly connected with the front end of the flange 5.

[0029] Specifically, the cabinet 14 is used to set the lead screw 15, the lead screw 15 is used to set the sliding block 17, the sliding block 17 is used to drive the connecting plate 18 to move up and down, and the height adjustment of the flange 5 is realized.

[0030] In actual operation, when it is necessary to take out the exhaust tank 4 at the upper end of the experiment cabinet 1, the screw rod 7 is rotated, so that the screw rod 7 is taken out from the inside of the locking hole 8, and after being taken out, the exhaust tank 4 is pulled up, so that the exhaust tank 4 is taken out from the upper end of the fixed tank 3, the internal exhaust motor 10 and the fan blade are cleaned, and the efficiency of disassembly is accelerated;

[0031] When the flange 5 is connected with the vertical exhaust pipe, the experiment cabinet 1 is first moved to the lower end of the exhaust pipe, the lead screw 15 is rotated, so that the lead screw 15 drives the sliding block 17 to move, so that the connecting plate 18 drives the flange 5 to move upwards, so that the flange 5 moves upwards in the sliding groove 16, so that the upper end of the flange 5 is tightly attached to the lower end of the vertical exhaust pipe, and then the two are fixed and installed.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A laboratory ventilation device that is easy to clean, comprising a laboratory cabinet (1), wherein the laboratory cabinet (1) is provided with a closing door (2) at the front end, characterized in that: The experimental cabinet (1) is fixedly equipped with a fixed box (3) at the top. An exhaust box (4) is installed inside the fixed box (3). A flange (5) is fixedly installed at the top of the exhaust box (4). A bracket (9) is fixedly installed inside the exhaust box (4). An exhaust motor (10) is fixedly installed at the top of the bracket (9). A quick removal structure (6) is provided between the exhaust box (4) and the fixed box (3). The quick removal structure (6) includes screws (7) threaded on both sides of the fixed box (3). A locking hole (8) is opened on the side wall of the exhaust box (4) located at the output end of the screws (7).

2. The laboratory ventilation equipment that is easy to clean according to claim 1, characterized in that: An adjustment structure (13) is provided between the flange (5) and the exhaust box (4). The adjustment structure (13) includes a housing (14) fixedly installed at the front end of the exhaust box (4). A lead screw (15) is provided inside the housing (14). A sliding groove (16) is opened at the upper end of the exhaust box (4). The flange (5) is located inside the sliding groove (16). A slider (17) is threaded on the outer wall of the lead screw (15). A connecting plate (18) is provided at the rear end of the slider (17). The rear end of the connecting plate (18) is fixedly connected to the front end of the flange (5).

3. The laboratory ventilation equipment that is easy to clean according to claim 1, characterized in that: The exhaust box (4) has guide plates (11) fixedly installed on both sides at the front and rear ends, and a guide groove (12) is opened on the upper end of the fixed box (3) located at the lower end of the guide plate (11).

4. The laboratory ventilation equipment that is easy to clean according to claim 1, characterized in that: The inner wall of the exhaust box (4) is fixedly provided with a horizontal plate (19), and the upper end of the horizontal plate (19) is fixedly provided with a guide rod (20). The lower end of the flange (5) slides on the outer wall of the guide rod (20).

5. A laboratory ventilation device that is easy to clean according to claim 1, characterized in that: The front end of the experimental cabinet (1) is equipped with three storage boxes (21).

6. A laboratory ventilation device that is easy to clean according to claim 2, characterized in that: A sealing ring is fixedly provided on the inner wall of the sliding groove (16).

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