Device for effectively controlling air supply and exhaust in laboratory

Abstract

The utility model discloses an effective control air supply and exhaust device for a laboratory, which relates to the related technical field of laboratory purification and comprises a square air port, a position mechanism, a filtering mechanism and a wind power mechanism, the position mechanism is mounted at one end of the square air port, the filtering mechanism is mounted at one end of the position mechanism, and the wind power mechanism is mounted at one end of the filtering mechanism. Through the arrangement of the square air port and the wind power mechanism, the fan can be driven to rotate clockwise through the bidirectional motor installed in the device, wind power is driven to enter the filter box towards the left end along the extension pipe, and clean air is blown in through the square air port in the lower end of the telescopic pipe; the bidirectional motor is started to anticlockwise drive the fan to rotate so that gas below the square air port enters the filter box along the telescopic pipe and is discharged out of the laboratory along the extension pipe at the right end of the filter box, and the bidirectional exhaust control effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to purification laboratories, in particular to a laboratory effective control air supply and exhaust device. Background Art

[0002] The exhaust diversion device is a type of air purification device, which can be a small ventilation device. Its main function is to discharge the toxic and harmful gases generated by the experiment to the outside in time through the diversion device when conducting experiments on the workbench. At the same time, when conducting certain experiments, timely air supply is required to achieve the effect of oxygenation and ventilation. Therefore, a laboratory effective control of air supply and exhaust device is needed.

[0003] The existing air supply and exhaust devices cannot effectively control the operation of the air supply and exhaust during operation, and cannot improve the flexibility of the device and the filtering effect of the device. Therefore, there is an urgent need for a laboratory to effectively control the air supply and exhaust device. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a laboratory air supply and exhaust device for effectively controlling the air supply and exhaust, so as to solve the problem that the existing air supply and exhaust device cannot effectively control the operation of the air supply and exhaust when used, and at the same time cannot improve the flexibility of the use of the device and cannot improve the filtering effect of the use of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory effective control air supply and exhaust device, including a square air outlet, a positioning mechanism, a filtering mechanism and a wind mechanism, wherein a positioning mechanism is installed at one end of the square air outlet.

[0006] A filtering mechanism is installed at one end of the positioning mechanism.

[0007] A wind power mechanism is installed at one end of the filtering mechanism.

[0008] Preferably, the positioning mechanism includes a telescopic tube, a positioning head, a fixed rod and a base seat, a telescopic tube is installed at the upper end of the square air outlet, a positioning head is installed at one end of the telescopic tube, a fixed rod is installed at one end of the positioning head, and a base seat is installed at one end of the fixed rod.

[0009] Preferably, the positioning head is snap-connected with the telescopic tube, and the positioning head forms a rotating structure with the base seat through a fixed rod.

[0010] Preferably, the filtering mechanism includes a filter box, an air filter element, a sealing core cover and an extension tube, the filter box is installed at one end of the telescopic tube, the air filter element is installed at the inner end of the filter box, the sealing core cover is installed at the upper end of the air filter element, and the extension tube is installed at one end of the filter box.

[0011] Preferably, the filter box is threadedly connected to the extension pipe, and the square air outlet forms a telescopic structure with the filter box through the telescopic pipe.

[0012] Preferably, the wind power mechanism includes an outer cover, a network ring, a bidirectional motor and a fan, the outer cover is installed at one end of the extension tube, the network ring is installed at one end of the outer cover, the bidirectional motor is installed at the inner end of the outer cover, and the fan is installed at one end of the bidirectional motor.

[0013] Preferably, the outer cover is threadedly connected to the extension pipe, and the outer cover is threadedly connected to the network collar.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can drive the fan to rotate clockwise through the square air outlet and wind mechanism installed in the device, drive the wind to the left end along the extension pipe into the filter box, and blow clean air into the square air outlet at the lower end of the telescopic pipe. When it is necessary to discharge harmful gases in the experimental area, start the bidirectional motor to drive the fan to rotate counterclockwise to drive the gas below the square air outlet into the filter box along the telescopic pipe and be discharged from the laboratory along the extension pipe at the right end of the filter box, thereby improving the control effect of the bidirectional exhaust of the device;

[0016] 2. The utility model provides a square air outlet and a position mechanism, and the angle of the square air outlet can be adjusted by rotating the positioning head installed in the device on the fixed rod, and the angle can be fixed by tightening the fixed rod. The base seat can be moved according to the experimental needs, and the square air outlet can be placed in the required position for use, thereby improving the flexibility of the device;

[0017] 3. The utility model provides a square air outlet and a filtering mechanism, and the impurities in the air are filtered out through the air filter element and then enter the right end of the filter box, and the clean air is blown in through the square air outlet at the lower end of the telescopic tube. When the gas enters the left end of the filter box along the telescopic tube and is filtered by the air filter element, it is discharged out of the laboratory along the extension tube at the right end of the filter box, thereby improving the double filtering effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front cross-sectional view of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the position mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the filter mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the wind power mechanism of the utility model.

[0022] In the figure: 1. square air outlet; 2. positioning mechanism; 201. telescopic tube; 202. positioning head; 203. fixed rod; 204. base seat; 3. filtering mechanism; 301. filter box; 302. air filter element; 303. sealing core cover; 304. extension tube; 4. wind mechanism; 401. outer cover; 402. network ring; 403. bidirectional motor; 404. fan. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0024] The following describes an embodiment of the utility model based on its overall structure.

[0025] See also Figure 1-4 A laboratory effective control air supply and exhaust device comprises a square air outlet 1, a position mechanism 2, a filtering mechanism 3 and a wind mechanism 4. The square air outlet 1 is provided with a position mechanism 2 at one end. The position mechanism 2 comprises a telescopic tube 201, a positioning head 202, a fixed rod 203 and a base 204. The upper end of the square air outlet 1 is provided with a telescopic tube 201, one end of the telescopic tube 201 is provided with a positioning head 202, one end of the positioning head 202 is provided with a fixed rod 203, and one end of the fixed rod 203 is provided with The base seat 204 and the positioning head 202 are snap-connected with the telescopic tube 201. The positioning head 202 forms a rotating structure with the base seat 204 through the fixed rod 203. The positioning head 202 installed in the device is rotated on the fixed rod 203 to adjust the angle of the square air outlet 1, and the fixed rod 203 can be tightened to fix its angle. The base seat 204 can be moved according to the experimental needs, and the square air outlet 1 can be placed in the required position for use, thereby improving the flexibility of the device.

[0026] See also Figure 1-4A laboratory effective control air supply and exhaust device, a filter mechanism 3 is installed at one end of the position mechanism 2, the filter mechanism 3 includes a filter box 301, an air filter element 302, a sealing core cover 303 and an extension pipe 304, a filter box 301 is installed at one end of the telescopic tube 201, an air filter element 302 is installed at the inner end of the filter box 301, a sealing core cover 303 is installed at the upper end of the air filter element 302, an extension pipe 304 is installed at one end of the filter box 301, and the filter box 301 and the extension pipe 304 are threaded The square air outlet 1 is connected, and the square air outlet 1 forms a telescopic structure with the filter box 301 through the telescopic tube 201. The impurities in the air are filtered out by the air filter element 302 and then enter the right end of the filter box 301, and the clean air is blown in through the square air outlet 1 at the lower end of the telescopic tube 201. When the gas enters the left end of the filter box 301 along the telescopic tube 201 and is filtered by the air filter element 302, it is discharged from the laboratory along the extension tube 304 at the right end of the filter box 301, thereby improving the double filtering effect of the device.

[0027] See also Figure 1-4 , a laboratory effective control of air supply and exhaust device, a wind mechanism 4 is installed at one end of the filter mechanism 3, an outer cover 401 is installed at one end of the outer cover 401, a network ring 402 is installed at one end of the outer cover 401, a two-way motor 403 is installed at the inner end of the outer cover 401, a fan 404 is installed at one end of the two-way motor 403, the outer cover 401 is threadedly connected to the extension pipe 304, and the outer cover 401 is threadedly connected to the network ring 402, and the two-way motor 403 installed in the device drives the fan 404 to rotate clockwise, drives the wind to enter the filter box 301 along the extension pipe 304 to the left end, and blows clean air into the square air outlet 1 at the lower end of the telescopic tube 201. When it is necessary to discharge harmful gases in the experimental area, start the two-way motor 403 counterclockwise to drive the fan 404 to rotate, and the gas below the square air outlet 1 enters the filter box 301 along the telescopic tube 201 and is discharged from the laboratory along the extension pipe 304 at the right end of the filter box 301, thereby improving the control effect of the two-way exhaust of the device.

[0028] Working principle: When in use, the outer cover 401 is placed in a position leading to outdoor air, and the two-way motor 403 is started to drive the fan 404 to rotate clockwise, driving the wind to the left end along the extension tube 304 into the left end of the filter box 301, and the impurities in the air are filtered out by the air filter element 302, and then enter the right end of the filter box 301, and the clean air is blown in through the square air outlet 1 at the lower end of the telescopic tube 201. At this time, the positioning head 202 can be operated to rotate on the fixed rod 203 to adjust the angle of the square air outlet 1, and the fixed rod 203 can be tightened to fix its angle. According to the needs of the experiment, By moving the base seat 204, the square air outlet 1 can be placed at the required position for use. When the harmful gas in the experimental area needs to be discharged, the bidirectional motor 403 can be started to drive the fan 404 to rotate counterclockwise to allow the gas below the square air outlet 1 to enter the left end of the filter box 301 along the telescopic tube 201 and be filtered by the air filter element 302. Then, the gas is discharged from the laboratory along the extension tube 304 at the right end of the filter box 301, thereby improving the control effect and filtering effect of the device. In this way, the use process of the device is completed. The content not described in detail in this manual belongs to the existing technology known to professional and technical personnel in this field.

[0029] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laboratory effective control air supply and exhaust device, comprising a square air outlet (1), a positioning mechanism (2), a filtering mechanism (3) and a wind mechanism (4), characterized in that: A positioning mechanism (2) is installed at one end of the square air outlet (1); A filtering mechanism (3) is installed at one end of the positioning mechanism (2); A wind power mechanism (4) is installed at one end of the filtering mechanism (3).

2. A laboratory effective control air supply and exhaust device according to claim 1, characterized in that: The positioning mechanism (2) comprises a telescopic tube (201), a positioning head (202), a fixed rod (203) and a base seat (204); the upper end of the square air outlet (1) is provided with a telescopic tube (201); one end of the telescopic tube (201) is provided with a positioning head (202); one end of the positioning head (202) is provided with a fixed rod (203); and one end of the fixed rod (203) is provided with a base seat (204).

3. A laboratory effective control air supply and exhaust device according to claim 2, characterized in that: The positioning head (202) is snap-connected with the telescopic tube (201), and the positioning head (202) forms a rotating structure with the base seat (204) via a fixed rod (203).

4. A laboratory effective control air supply and exhaust device according to claim 2, characterized in that: The filtering mechanism (3) comprises a filter box (301), an air filter element (302), a core sealing cover (303) and an extension tube (304); the filter box (301) is installed at one end of the telescopic tube (201); the air filter element (302) is installed at the inner end of the filter box (301); the core sealing cover (303) is installed at the upper end of the air filter element (302); and the extension tube (304) is installed at one end of the filter box (301).

5. A laboratory effective control air supply and exhaust device according to claim 4, characterized in that: The filter box (301) is threadedly connected to the extension tube (304), and the square air outlet (1) forms a telescopic structure with the filter box (301) through the telescopic tube (201).

6. A laboratory effective control air supply and exhaust device according to claim 4, characterized in that: The wind power mechanism (4) comprises an outer cover (401), a network ring (402), a bidirectional motor (403) and a fan (404); the outer cover (401) is installed at one end of the extension tube (304); the network ring (402) is installed at one end of the outer cover (401); the bidirectional motor (403) is installed at the inner end of the outer cover (401); and the fan (404) is installed at one end of the bidirectional motor (403).

7. A laboratory effective control air supply and exhaust device according to claim 6, characterized in that: The outer cover (401) is threadedly connected to the extension tube (304), and the outer cover (401) is threadedly connected to the network collar (402).

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