CN219093075U - Ventilating cabinet exhaust guiding device - Google Patents

Abstract

The utility model relates to the technical field of a fume hood, and discloses an exhaust guide device of the fume hood, which comprises a fume hood body, wherein a lifting seat positioned in a working area is arranged on the surface of a partition plate, an exhaust fan is arranged in a mounting cavity on the front surface of the lifting seat, an exhaust pipe fixed with the back surface of the lifting seat is arranged in a mechanism cavity, two connecting plates are symmetrically connected with the back surface of the lifting seat, two threaded rods are arranged in the mechanism cavity, two motor boxes are arranged at the top of the fume hood body, a driving motor connected with the threaded rods is fixed in the motor boxes, and the lifting seat and the exhaust fan can be lifted and moved through the cooperation among the driving motor, the threaded rods and the connecting plates, so that switching between upper exhaust guide and lower exhaust guide can be performed according to working requirements.

Description

Ventilating cabinet exhaust guiding device

Technical Field

The utility model relates to the technical field of fume hoods, in particular to an exhaust guide device of a fume hood.

Background

Fume hoods are an integral part of laboratory ventilation designs. In order for laboratory staff not to inhale or throat some toxic, pathogenic or unidentified chemicals and organisms, there should be good ventilation in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the contaminants must be removed by means of a fume hood, hood or local ventilation; when the temperature of harmful substances is lower than the temperature of the surrounding air, which is called a low-temperature fume hood, the suction speed of the upper part of the inside of the cold process fume hood is 150% of the average flow rate, and the lower part is only 60% of the average flow rate, harmful gases can escape from the lower part, in order to improve the condition, a baffle plate is arranged in the fume hood, an air outlet is arranged at the lower part of the fume hood, and the fume hood applied to a process with larger heat generation quantity is called a high-temperature fume hood, and the hot air flow in the hot process fume hood is lifted upwards, if the hot air is sucked in the lower part like a cold process, the harmful gases can escape from the upper part, so the fume hood of the hot process must exhaust air from the upper part.

Some fume hoods in the current market have a fixed structure, and the inside exhaust guide devices cannot be adjusted and cannot be adjusted, so that the upper exhaust guide and the lower exhaust guide cannot be switched according to working requirements, and the fume hood is inconvenient to use.

So we propose the fume hood exhaust guiding device in order to solve the above mentioned problem.

Disclosure of Invention

The utility model aims to solve the problems that most of ventilation cabinets in the current market have fixed structures, cannot be adjusted and cannot be adjusted, so that the upper ventilation diversion and the lower ventilation diversion cannot be switched according to the working requirements, and the ventilation cabinet is inconvenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fume chamber guiding device that airs exhaust, includes the fume chamber cabinet body, fume chamber cabinet body bottom is provided with puts the thing cabinet, just the door and window groove has been seted up in the fume chamber cabinet body front, the fixed window that is close to the position of top on the door and window groove, just the activity is provided with movable door and window on the door and window groove, be provided with tap and wash basin on the table surface of fume chamber cabinet body inside, the inside of fume chamber cabinet body is provided with the division board, the division board separates the fume chamber cabinet internal portion into working area and mechanism's chamber, just the division board surface is provided with the elevating socket, the elevating socket is located the working area, just the elevating socket openly has seted up the installation chamber, install the air discharge fan in the installation chamber, the elevating socket openly is provided with the protection casing, a plurality of evenly distributed's bleeder vent has been seted up on the protection casing, the mechanism intracavity is provided with the blast pipe, the one end of blast pipe is fixed with the elevating socket back mutually, the air outlet that is linked together with the blast pipe is seted up to the installation chamber inner wall, the elevating socket back symmetry is connected with two connecting plates, the division board surface has the division board, the motor cabinet is equipped with the motor and separates into working area and mechanism chamber, and the elevating socket, the elevating socket is located in the working area, and the side face is provided with the threaded rod, the threaded connection box is provided with the threaded rod, the threaded connection device is provided with the threaded box, the threaded connection box is provided with the threaded plate, the threaded plate is set up on the control box, the side, the control box The motors are all electrically connected with the computer control equipment

Further, the fixed window comprises a first window frame, be provided with first glass board on the first window frame, movable door and window includes the second window frame, be provided with the second glass board on the second window frame, the position that the second window frame both sides face is close to the bottom all is connected with the sliding plate, just the position that the second window frame surface is close to the bottom is connected with the handle, door and window groove both sides face symmetry offered with sliding plate sliding connection's spout, just door and window inslot roof has offered with fixed window sliding connection's hidden groove.

Further, the first glass plate and the second glass plate are made of transparent explosion-proof glass.

Further, two spring compression cavities are formed in positions, close to the top, of the inner walls of the sliding grooves, limiting plates and compression springs are arranged in the spring compression cavities, the side faces of the limiting plates are connected with fixed clamping blocks, the other side faces of the limiting plates are connected with traction wires, pull rings are arranged on the outer side faces of the cabinet body of the fume hood, and the traction wires are connected with the pull rings.

Further, a rubber buffer cushion block is arranged at the bottom of the second window frame.

Further, the lower surface of the fixed clamping block is provided with a circular arc structure.

Further, universal wheels are arranged at four opposite angles of the bottom of the fume chamber body.

The utility model has the beneficial effects that: through being provided with the elevating seat that is located the workspace at the division board surface, and install the air discharge fan in the positive installation cavity of elevating seat, be provided with the blast pipe that is fixed mutually with the elevating seat back in the mechanism intracavity, and be connected with two connecting plates at elevating seat back symmetry, be provided with two threaded rods in the mechanism intracavity, be provided with two motor cases at the top of fume chamber cabinet body, be fixed with the driving motor who links to each other with the threaded rod in the motor case, and set up the screw hole with threaded rod threaded connection on the connecting plate, can go up and down to remove elevating seat and air discharge fan through driving motor, the cooperation between threaded rod, the connecting plate, thereby come according to the work demand, switch between upper portion air exhaust water conservancy diversion and the lower part air exhaust water conservancy diversion, for fixed air exhaust guiding device, this fume chamber air exhaust water conservancy diversion device can adjust, it is more nimble, facilitate the use.

Drawings

FIG. 1 is a schematic diagram of the structure of the fume hood exhaust and flow guiding device of the present utility model;

FIG. 2 is a first cross-sectional schematic view of the fume hood exhaust deflector of the present utility model;

FIG. 3 is a second cross-sectional schematic view of the fume hood exhaust deflector of the present utility model;

FIG. 4 is an enlarged schematic view of the partial structure A of FIG. 3 in accordance with the present utility model;

fig. 5 is a schematic view of a part of the structure of the ventilation guiding device of the ventilation cabinet of the present utility model.

Name corresponding to each label in the figure:

1. a fume hood cabinet body; 101. a working area; 102. a mechanism cavity; 103. a chute; 104. a spring compression chamber; 2. a storage cabinet; 3. a fixed window; 31. a first window frame; 32. a first glass plate; 4. a movable door and window; 41. a second window frame; 42. a second glass plate; 43. a sliding plate; 44. a handle; 5. a water tap; 6. a cleaning pool; 7. a partition plate; 71. an adaptation groove; 72. a limit groove; 8. a lifting seat; 9. an exhaust fan; 10. a protective cover; 11. an exhaust pipe; 12. a connecting plate; 13. a threaded rod; 14. a motor case; 15. an equipment box; 16. a control panel; 17. a limiting plate; 18. a compression spring; 19. fixing the clamping block; 20. a pulling wire; 21. a pull ring; 22. rubber buffer cushion blocks; 23. and a universal wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Embodiments of the utility model:

example 1

As shown in fig. 1-5, the utility model provides a fume hood exhaust guiding device, which comprises a fume hood body 1, wherein a storage cabinet 2 is arranged at the bottom of the fume hood body 1, a door and window groove is formed in the front surface of the fume hood body 1, a fixed window 3 is fixed at the position, close to the top, of the door and window groove, the fixed window 3 comprises a first window frame 31, a first glass plate 32 is arranged on the first window frame 31, a movable door and window 4 is movably arranged on the door and window groove, the movable door and window 4 comprises a second window frame 41, a rubber buffer cushion block 22 is arranged at the bottom of the second window frame 41, a second glass plate 42 is arranged on the second window frame 41, sliding plates 43 are connected at the positions, close to the bottom, of the two side surfaces of the second window frame 41 are connected with handles 44, sliding grooves 103 which are in sliding connection with the sliding plates 43 are symmetrically arranged at the two side surfaces of the door and window groove, a hidden groove which is in sliding connection with the fixed window 3 is formed in the inner top wall of the door and window groove, the first glass plate 32 and the second glass plate 42 are made of transparent explosion-proof glass, a water tap 5 and a cleaning pool 6 are arranged on a working table surface in the fume hood body 1, a partition plate 7 is arranged in the fume hood body 1, the partition plate 7 divides the inside of the fume hood body 1 into a working area 101 and a mechanism cavity 102, a lifting seat 8 is arranged on the surface of the partition plate 7, the lifting seat 8 is positioned in the working area 101, a mounting cavity is arranged on the front surface of the lifting seat 8, an exhaust fan 9 is arranged in the mounting cavity, a protective cover 10 is arranged on the front surface of the lifting seat 8, a plurality of evenly distributed ventilation holes are arranged on the protective cover 10, an exhaust pipe 11 is arranged in the mechanism cavity 102, one end of the exhaust pipe 11 is fixed with the back surface of the lifting seat 8, an air outlet hole communicated with the exhaust pipe 11 is arranged on the inner wall of the mounting cavity, two connecting plates 12 are symmetrically connected on the back surface of the lifting seat 8, the surface of the partition plate 7 is provided with an adapting groove 71 which is in sliding connection with the exhaust pipe 11, the surface of the partition plate 7 is symmetrically provided with a limiting groove 72 which is in sliding connection with the connecting plate 12, the inside of the mechanism cavity 102 is provided with two threaded rods 13, the top of the fume hood cabinet body 1 is provided with two motor boxes 14, the inside of the motor boxes 14 is fixedly provided with a driving motor which is connected with the threaded rods 13, the connecting plate 12 is provided with a threaded hole which is in threaded connection with the threaded rods 13, the top of the fume hood cabinet body 1 is provided with an equipment box 15, the inside of the equipment box 15 is provided with computer control equipment, the side surface of the equipment box 15 is provided with a heat dissipation hole 151, the side surface of the fume hood cabinet body 1 is provided with a control panel 16, the control panel 16 and the air discharge fan 9 and the motor are all connected with computer control equipment electricity, universal wheels 23 are all installed in four diagonal positions of the bottom of the fume chamber cabinet body 1, when cold process air discharge and flow guide are needed, only the drive motor is started to drive the threaded rod 13 to rotate, under the cooperation of the threaded rod 13 and the threaded holes of the connecting plate 12, the lifting seat 8 moves to the lower part, then air can be sucked in the lower part through the air discharge fan 9, air is discharged through the air discharge pipe 11, similarly, when hot process air discharge and flow guide are needed, the drive motor is started to drive the threaded rod 13 to rotate, the lifting seat 8 moves to the upper part, air is sucked in the upper part through the air discharge fan 9, and air is discharged through the air discharge pipe 11.

Example two

As shown in fig. 1 and 3, and fig. 4, on the basis of the first embodiment of the present utility model: the position that two spout 103 inner walls are close to the top has seted up spring compression chamber 104, be provided with limiting plate 17 and compression spring 18 in the spring compression chamber 104, the side of limiting plate 17 is connected with fixed fixture block 19, the lower surface of fixed fixture block 19 sets up to convex structure, the other side of limiting plate 17 is connected with pull line 20, the fume chamber cabinet body 1 lateral surface is provided with pull ring 21, pull line 20 is connected with pull ring 21, can be after opening movable door and window 4, contact through fixed fixture block 19 and movable door and window 4's sliding plate 43, fix movable door and window 4, when needs pull movable door and window 4 to close, only need pulling pull ring 21, pull fixed fixture block 19 into spring compression chamber 104 through pull line 20, remove the fixed of movable door and window 4, alright pull down to close movable door and window 4, and set up the lower surface of fixed fixture block 19 to convex structure, movable door and window 4 is opened in the convenience.

Claims (7)

1. Fume chamber guiding device that airs exhaust, including fume chamber cabinet body (1), fume chamber cabinet body (1) bottom is provided with puts thing cabinet (2), just door and window groove has been seted up in the front to fume chamber cabinet body (1), the position that is close to the top on the door and window groove is fixed with fixed window (3), just the activity is provided with movable door and window (4) on the door and window groove, be provided with tap (5) and wash pond (6) on the table surface of fume chamber cabinet body (1) inside, its characterized in that: the inside of the fume chamber cabinet body (1) is provided with a division plate (7), the division plate (7) divides the inside of the fume chamber cabinet body (1) into a working area (101) and a mechanism cavity (102), just the surface of the division plate (7) is provided with a lifting seat (8), the lifting seat (8) is positioned in the working area (101), just the front surface of the lifting seat (8) is provided with a mounting cavity, an exhaust fan (9) is installed in the mounting cavity, the front surface of the lifting seat (8) is provided with a protective cover (10), a plurality of evenly distributed ventilation holes are formed in the protective cover (10), an exhaust pipe (11) is arranged in the mechanism cavity (102), one end of the exhaust pipe (11) is fixed with the back surface of the lifting seat (8), the inner wall of the mounting cavity is provided with an air outlet hole communicated with the exhaust pipe (11), the back surface of the lifting seat (8) is symmetrically connected with two connecting plates (12), the surface of the division plate (7) is provided with an adaptation groove (71) which is in sliding connection with the exhaust pipe (11), the surface of the division plate (7) is provided with a plurality of ventilation holes (12), the two motor cavities (13) are symmetrically arranged on the surface of the division plate (7) and are symmetrically provided with two connecting plates (13) in the top part (13), a driving motor connected with a threaded rod (13) is fixed in the motor box (14), a threaded hole connected with the threaded rod (13) in a threaded way is formed in the connecting plate (12), an equipment box (15) is arranged at the top of the fume chamber cabinet body (1), computer control equipment is arranged in the equipment box (15), and the side of the equipment box (15) is provided with a heat radiation hole (151), the side of the fume chamber body (1) is provided with a control panel (16), and the control panel (16), the exhaust fan (9) and the motor are electrically connected with computer control equipment.

2. The fume hood exhaust and flow guiding device according to claim 1, wherein: fixed window (3) include first window frame (31), be provided with first glass board (32) on first window frame (31), movable door and window (4) include second window frame (41), be provided with second glass board (42) on second window frame (41), the position that second window frame (41) both sides face is close to the bottom all is connected with sliding plate (43), just the position that second window frame (41) surface is close to the bottom is connected with handle (44), spout (103) with sliding plate (43) sliding connection have been seted up to door and window groove both sides face symmetry, just hidden groove with fixed window (3) sliding connection has been seted up to door and window inslot roof.

3. The fume hood exhaust and flow guiding device according to claim 2, wherein: the first glass plate (32) and the second glass plate (42) are made of transparent explosion-proof glass.

4. The fume hood exhaust and flow guiding device according to claim 2, wherein: two spring compression cavities (104) are formed in positions, close to the top, of the inner walls of the sliding grooves (103), limiting plates (17) and compression springs (18) are arranged in the spring compression cavities (104), fixed clamping blocks (19) are connected to the side faces of the limiting plates (17), pulling wires (20) are connected to the other side faces of the limiting plates (17), pull rings (21) are arranged on the outer side faces of the fume chamber body (1), and the pulling wires (20) are connected with the pull rings (21).

5. The fume hood exhaust and flow guiding device according to claim 2, wherein: the bottom of the second window frame (41) is provided with a rubber buffer cushion block (22).

6. The fume hood exhaust and flow guiding device according to claim 4, wherein: the lower surface of the fixed clamping block (19) is of a circular arc structure.

7. The fume hood exhaust and flow guiding device according to claim 1, wherein: universal wheels (23) are arranged at four opposite angles at the bottom of the ventilation cabinet body (1).

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