CN219309628U - Fume chamber for experiments - Google Patents

Abstract

The utility model discloses a fume hood for experiments. The utility model relates to a fume chamber technical field, including the cabinet body, flexible hose bottom fixedly connected with collection fan housing, the internal cavity of having seted up of cabinet, cavity inner wall top fixedly connected with clean structure, the internal wall top fixedly connected with air pipe of cabinet, the opening corresponding with clean structure has been seted up at the air pipe top, the vent has been seted up to the air pipe bottom, vent and flexible hose fixed connection, the bellows room has been seted up to the internal portion of cabinet, bellows inner wall fixedly connected with air-blower, air pipe and the input fixed connection of air-blower. According to the utility model, through the arrangement of the cleaning structure, the limiting block, the spring tube, the corrugated tube and the water outlet tube for use, the pollution particles in the telescopic hose are realized, and the toxic substances released by pollutants are prevented from damaging the body of staff.

Description

Fume chamber for experiments

Technical Field

The utility model relates to the field of fume hoods, in particular to an experimental fume hood.

Background

According to "a fume chamber for laboratory" that chinese patent grant publication CN211217951U provided, equipment includes the fume chamber body, the inside level of fume chamber body is provided with the operation panel, the operation panel separates the fume chamber body into the ventilation chamber and is located the storing room of ventilation chamber bottom, the inside top of ventilation chamber is provided with the plenum, the internally mounted of plenum has the exhaust fan, but the bottom of plenum is connected with universal adjustable flexible hose, the bottom of flexible hose is connected with the collection fan housing, the collection fan housing communicates with the plenum through flexible hose, the equipment can be adjusted from top to bottom through the collection fan housing, increase the exhaust effect to waste gas or harmful gas, reduce the time that polluted gas exists in the cabinet body, but the solid particle pollutant that produces in the experimentation can be inhaled in the flexible hose because of wind-force, the pollutant is arranged in the flexible hose for a long time, thereby sustained release polluted gas causes the harm to staff's health.

Therefore, it is necessary to invent a fume hood for experiments to solve the above problems.

Disclosure of Invention

The utility model aims to provide an experimental fume hood for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fume chamber for experiments, includes the cabinet body, flexible hose bottom fixedly connected with collection fan housing, the internal cavity of seting up of cabinet, cavity inner wall top fixedly connected with clean structure, the internal wall top fixedly connected with air pipe of cabinet, the opening corresponding with clean structure has been seted up at the air pipe top, the vent has been seted up to the air pipe bottom, vent and flexible hose fixed connection, the internal bellows room of seting up of cabinet, bellows inner wall fixedly connected with air-blower, the input fixed connection of air pipe and air-blower, the output fixedly connected with of air-blower goes out the tuber pipe, it extends to outside the equipment to go out the tuber pipe, the recess has been seted up to cabinet inner wall bottom, the notch is seted up to the recess inner wall both sides, notch one side fixedly connected with spring, spring one side fixedly connected with stopper.

Preferably, the cleaning structure comprises a first motor fixedly connected with the top of the inner wall of the cavity, a partition plate is fixedly connected with the bottom of the first motor, an output end of the bottom of the first motor passes through a partition plate fixedly connected with a threaded rod, the bottom of the partition plate is fixedly connected with a guide rod, a sleeve is connected with the outer wall of the threaded rod in a threaded manner, a strip-shaped opening corresponding to the guide rod is formed in the inner wall of the sleeve, a mounting plate is fixedly connected with one side of the sleeve, a rotary joint is fixedly connected with the top of the mounting plate, a second motor is fixedly connected with the top of the mounting plate, an output end of the second motor passes through the mounting plate and is fixedly connected with a driving gear, a rotary pipe is arranged at the bottom of the mounting plate in a rotary mode and is connected with the bottom of the rotary joint, a driven gear is fixedly connected with the outer wall of the rotary pipe, the driven gear is meshed with the driving gear, a brush roller is fixedly connected with the bottom of the brush roller, a rubber cushion block is fixedly connected with the bottom of the brush roller, and the rubber cushion block is located at the opening of the ventilation pipeline.

Preferably, the solid bottom of cabinet body bottom fixedly connected with base, the drawer mouth has been seted up to the base front side, drawer mouth sliding connection has the drawer.

Preferably, ultraviolet lamps are arranged around the periphery of the inner wall of the cabinet body.

Preferably, the cabinet body is internally provided with a water inlet cavity, the water inlet cavity is internally fixedly connected with a corrugated pipe, the corrugated pipe is fixedly connected with a rotary joint, the brush roller is internally provided with a water storage cavity, the surface of the brush roller is provided with a plurality of openings, one side of the inner wall of the groove is provided with a water outlet, the cabinet body is internally provided with a water outlet cavity, the inner wall of the water outlet cavity is fixedly connected with a water outlet pipe, and one side of the water outlet pipe is fixedly connected with the water outlet.

The utility model has the technical effects and advantages that: through setting up clean structure, stopper, spring pipe, bellows, outlet pipe cooperation and use, stretch flexible hose to in the recess, the stopper relies on the elasticity of spring to fix the collection fan housing, and first motor work, the threaded rod is rotatory, drives the sleeve extension, and second motor work, and the driving gear drives driven gear rotation for the brush roller is rotatory, and when the brush roller stretches into in the flexible hose clear up, realized going on the pollution granule in the flexible hose, prevent that the toxic substance that the pollutant was released from causing harm to staff's health.

Drawings

FIG. 1 is a schematic overall sectional view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure A of FIG. 1 according to the present utility model;

FIG. 4 is a schematic diagram of FIG. 1B in accordance with the present utility model;

fig. 5 is a schematic elevational view of the present utility model.

In the figure: 1. a cabinet body; 2. a flexible hose; 3. a wind collecting hood; 4. a ventilation duct; 5. a cleaning structure; 6. a blower; 7. a spring; 8. a limiting block; 9. a first motor; 10. a threaded rod; 11. a sleeve; 12. an ultraviolet lamp; 13. a mounting plate; 14. a rotary joint; 15. a second motor; 16. a drive gear; 17. a driven gear; 18. a brush roller; 19. a rubber cushion block; 20. a base; 21. a drawer; 22. an air outlet pipe; 23. a partition plate; 24. a bellows; 25. a water outlet pipe; 26. a guide rod.

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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a ventilation cabinet for experiments as shown in figures 1-5, which comprises a cabinet body 1 and a telescopic hose 2, wherein the bottom of the telescopic hose 2 is fixedly connected with a wind collecting cover 3, a cavity is formed in the cabinet body 1, the top of the inner wall of the cavity is fixedly connected with a cleaning structure 5, the top of the inner wall of the cabinet body 1 is fixedly connected with a ventilation pipeline 4, the top of the ventilation pipeline 4 is provided with an opening corresponding to the cleaning structure 5, the bottom of the ventilation pipeline 4 is provided with a ventilation opening, the ventilation opening is fixedly connected with the telescopic hose 2, the inside of the cabinet body 1 is provided with a bellows chamber, the inner wall of the bellows chamber is fixedly connected with a blower 6, the ventilation pipeline 4 is fixedly connected with the input end of the blower 6, the output end of the blower 6 is fixedly connected with a wind outlet pipe 22, the wind outlet pipe 22 extends out of equipment, the wind outlet pipe 22 is connected with waste collecting equipment, the bottom of the inner wall of the cabinet body 1 is provided with a groove, two sides of the inner wall of the groove are provided with notches, one side of the groove is fixedly connected with a spring 7, one side of the spring 7 is fixedly connected with a limiting block 8, and one side of the two limiting blocks is arc-shaped.

The cleaning structure 5 comprises a first motor 9 fixedly connected with the top of the inner wall of a cavity, a partition plate 23 is fixedly connected to the bottom of the first motor 9, the output end of the bottom of the first motor 9 penetrates through a partition plate 23 to be fixedly connected with a threaded rod 10, a guide rod 26 is fixedly connected to the bottom of the partition plate 23, a sleeve 11 is connected to the outer wall of the threaded rod 10 in a threaded manner, a strip-shaped opening corresponding to the guide rod 26 is formed in the inner wall of the sleeve 11, a mounting plate 13 is fixedly connected to one side of the sleeve 11, a rotary joint 14 is fixedly connected to the top of the mounting plate 13, a second motor 15 is fixedly connected to the top of the mounting plate 13, the output end of the second motor 15 penetrates through the mounting plate 13 and is fixedly connected with a driving gear 16, a rotary pipe is arranged at the bottom of the mounting plate 13 and is connected with the bottom of the rotary joint 14, the driven gear 17 and the driving gear 16 are meshed with each other, a driven gear 17 is fixedly connected to the bottom of the rotary pipe, a brush roller 18 is fixedly connected to the bottom of the rotary pipe, a rubber cushion 19 is fixedly connected to the bottom of the brush roller 18, the rubber cushion 19 is located at the opening of the ventilation pipeline 4, and the rubber cushion 19 can guarantee the air tightness of the ventilation pipeline 4.

The solid bottom of cabinet 1 bottom fixedly connected with base 20, the drawer mouth has been seted up to base 20 front side, and drawer mouth sliding connection has drawer 21, can be used for placing the required utensil of experiment.

The ultraviolet lamp 12 is arranged around the inner wall of the cabinet body 1, so that the inner wall of the cabinet body 1 can be disinfected.

The cabinet body 1 is internally provided with a water inlet cavity, the water inlet cavity is fixedly connected with a corrugated pipe 24, the corrugated pipe 24 is fixedly connected with the rotary joint 14, the inside of the brush roller 18 is provided with a water storage cavity, the surface of the brush roller 18 is provided with a plurality of openings, one side of the inner wall of the groove is provided with a water outlet, the inside of the cabinet body 1 is provided with a water outlet cavity, the inner wall of the water outlet cavity is fixedly connected with a water outlet pipe 25, one side of the water outlet pipe 25 is fixedly connected with the water outlet, and the telescopic hose 2 can be cleaned.

The working principle of the utility model is as follows: when the experiment cabinet is required to be ventilated, the flexible hose 2 is stretched to a proper length, the air blower 6 works, polluted air enters the ventilating duct 4 through the air collecting cover 3 and the flexible hose 2 to be discharged out of the equipment, after the equipment is used for a period of time, the cabinet door 1 is opened, the flexible hose 2 is stretched into the groove, the limiting block 8 is fixed on the air collecting cover 3 by means of the elastic force of the spring 7, the first motor 9 works, the threaded rod 10 rotates to drive the sleeve 11 to stretch, the second motor 15 works, the driving gear 16 drives the driven gear 17 to rotate, the brush roller 18 rotates, when the brush roller 18 stretches into the flexible hose 2 to clean, the corrugated pipe 24 enters water, flows into the brush roller 18 through the rotary joint 14, the brush roller 18 flows out of the opening to clean the flexible hose 2, and sewage after cleaning is discharged out of the equipment through the water outlet pipe 25.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a fume chamber for experiments, includes cabinet body (1), flexible hose (2) bottom fixedly connected with collection fan housing (3), its characterized in that: the novel multifunctional cabinet is characterized in that a cavity is formed in the cabinet body (1), the top of the inner wall of the cavity is fixedly connected with a cleaning structure (5), the top of the inner wall of the cabinet body (1) is fixedly connected with a ventilation pipe (4), an opening corresponding to the cleaning structure (5) is formed in the top of the ventilation pipe (4), a vent opening is formed in the bottom of the ventilation pipe (4), the vent opening is fixedly connected with a telescopic hose (2), a bellows chamber is formed in the cabinet body (1), the inner wall of the bellows chamber is fixedly connected with a blower (6), the ventilation pipe (4) is fixedly connected with the input end of the blower (6), the output end of the blower (6) is fixedly connected with an air outlet pipe (22), the air outlet pipe (22) extends out of the equipment, a groove is formed in the bottom of the inner wall of the cabinet body (1), notches are formed in two sides of the inner wall of the groove, springs (7) are fixedly connected to one sides of the notches, and limiting blocks (8) are fixedly connected to one sides of the springs (7).

2. A fume hood for experiments according to claim 1, wherein: the cleaning structure (5) comprises a first motor (9) fixedly connected with the top of the inner wall of a cavity, a partition plate (23) is fixedly connected with the bottom of the first motor (9), an output end of the bottom of the first motor (9) penetrates through the partition plate (23) and is fixedly connected with a threaded rod (10), a guide rod (26) is fixedly connected with the bottom of the partition plate (23), a sleeve (11) is connected with the outer wall of the threaded rod (10) in a threaded manner, a strip-shaped opening corresponding to the guide rod (26) is formed in the inner wall of the sleeve (11), a mounting plate (13) is fixedly connected with one side of the sleeve (11), a rotary joint (14) is fixedly connected with the top of the mounting plate (13), a second motor (15) is fixedly connected with the top of the mounting plate (13), the output end of the second motor (15) penetrates through the mounting plate (13) and is fixedly connected with a driving gear (16), a rotary pipe penetrates through the bottom of the mounting plate (13) and is connected with the bottom of the rotary joint (14), a driven gear (17) is fixedly connected with the outer wall of the rotary pipe, a brush roller (18) is meshed with the bottom of the driving gear (17), a brush roller (18) is fixedly connected with the brush roller (18), the rubber cushion block (19) is positioned at the opening of the ventilation pipeline (4).

3. A fume hood for experiments according to claim 1, wherein: the solid bottom of cabinet body (1) bottom fixedly connected with base (20), drawer mouth has been seted up to base (20) front side, drawer mouth sliding connection has drawer (21).

4. A fume hood for experiments according to claim 1, wherein: ultraviolet lamps (12) are arranged around the periphery of the inner wall of the cabinet body (1).

5. A fume hood for use in experiments according to claim 2, wherein: the novel water inlet cabinet is characterized in that a water inlet cavity is formed in the cabinet body (1), a corrugated pipe (24) is fixedly connected in the water inlet cavity, the corrugated pipe (24) is fixedly connected with a rotary joint (14), a water storage cavity is formed in the hairbrush roller (18), a plurality of openings are formed in the surface of the hairbrush roller (18), a water outlet is formed in one side of the inner wall of the groove, a water outlet cavity is formed in the cabinet body (1), a water outlet pipe (25) is fixedly connected to the inner wall of the water outlet cavity, and one side of the water outlet pipe (25) is fixedly connected with the water outlet.

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