CN219324597U

CN219324597U - Laboratory fume chamber with adjustable

Info

Publication number: CN219324597U
Application number: CN202223250323.5U
Authority: CN
Inventors: 王敉娜; 李林恒
Original assignee: Ruisai Laboratory Equipment Yangzhou Co ltd
Current assignee: Ruisai Laboratory Equipment Yangzhou Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-07-11
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of fume hoods, in particular to an adjustable laboratory fume hood which comprises a fume hood main body, wherein a frame is arranged on the inner side of the fume hood main body, toughened glass is fixedly arranged on the inner side of the frame, two electric lifting devices are arranged on one side of the frame, and an operation table and a baffle are fixedly arranged on the inner side of the fume hood. According to the utility model, the ventilation cabinet main body, the frame, the toughened glass, the operation table, the baffle plate, the top plate, the motor, the gear, the rack, the limit column A, the limit column B, the sealing strip and the electric push rod are arranged, so that the ventilation cabinet has the adjusting function and the lifting function, and the exhaust efficiency and the exhaust speed are improved.

Description

Laboratory fume chamber with adjustable

Technical Field

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

Background

Laboratory ventilation is an integral part of laboratory design. 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.

The laboratory fume chamber among the prior art is the most commonly used local exhaust equipment in the laboratory, and is various, because its structure is different, and the condition of using is different, and its effect of airing exhaust is also different, and the increase effect of airing exhaust adopts the power of constantly increasing the exhaust fan mostly, and so fume chamber cost just constantly improves, and for this reason, we propose an adjustable laboratory fume chamber for solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the problems that a laboratory fume hood is the most common local air exhaust equipment in a laboratory in the prior art, the types are various, the air exhaust effect is different due to different structures and different using conditions, the power of an air exhaust fan is increased continuously when the air exhaust effect is increased, and the cost of the fume hood is increased continuously.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a laboratory fume chamber with adjustable design, includes the fume chamber main part, the fume chamber main part inboard is equipped with the frame, the inboard fixed toughened glass that is equipped with of frame, frame one side is equipped with two electric lift devices, the inboard fixed operation panel, the baffle of being equipped with of fume chamber main part, the fixed roof that is equipped with of fume chamber main part upside, the roof downside is equipped with adjusting structure.

Preferably, the electric lifting device comprises a motor, the motor is externally connected with a power supply and a switch through wires, a gear is fixedly arranged on the outer side of a shaft of the motor, the gear is connected with a rack through gear-rack meshing transmission, the rack is fixed on one side of a frame, a limit post A and a limit post B are fixedly arranged on one side in the main body of the fume hood, and the frame can be detached between the limit post A and the limit post B in a sliding manner.

Preferably, a sealing strip is fixedly arranged on the lower side of the frame.

Preferably, the adjusting structure comprises an electric push rod and an exhaust fan, the electric push rod is required to be connected with a power supply and a switch through wires, the electric push rod is fixed on the lower side of the top plate, a support is fixedly arranged on the lower side of the electric push rod, the support can be detached on the inner side of the baffle in a sliding mode, two rotating shafts are rotatably arranged on the inner side of the support, the exhaust fan is fixed between the two rotating shafts, the exhaust fan is required to be connected with the power supply and the switch through wires, and a steering assembly is arranged on one side of the exhaust fan.

Preferably, the steering assembly comprises a miniature electric push rod, the miniature electric push rod is required to be connected with a power supply and a switch through wires, the miniature electric push rod is fixed on one side in the support, a U-shaped frame is fixedly arranged on the lower side of the miniature electric push rod, a straight shaft is fixedly arranged on the inner side of the U-shaped frame, a fixing column is arranged on the outer side of the straight shaft in a rotating mode, and the fixing column is fixed on the outer side of the exhaust fan.

Preferably, the bracket is of a U-shaped structure.

The adjustable laboratory fume hood provided by the utility model has the beneficial effects that:

(1) Through setting up fume chamber main part, roof, electric putter, support, axis of rotation, exhaust fan, make it have regulatory function, electric putter stretches out, pushes down the exhaust fan, discharges impurity or gaseous fast, has improved exhaust efficiency.

(2) Through setting up support, axis of rotation, exhaust fan, miniature electric putter, U type frame, straight axle, fixed column, make it have the function of turning to, miniature electric putter stretches out and contracts and can make the exhaust fan turn to, discharges impurity and gas in fume chamber main part both sides fast, has accelerated exhaust efficiency.

(3) Through setting up fume chamber main part, frame, toughened glass, operation panel, motor, gear, rack, spacing post A, spacing post B, sealing strip, make it have lifting function, sealing function, the motor just reverses, and the gear drives rack, frame and reciprocates, opens and close the frame very mild, and automatic efficient, convenient to use, sealing strip has improved the inside leakproofness of fume chamber main part.

Drawings

Fig. 1 is a schematic diagram of a front axial measurement structure of an adjustable laboratory fume hood according to the present utility model;

FIG. 2 is a schematic diagram of an axial measurement structure of an adjustable laboratory fume hood according to the present utility model;

FIG. 3 is a schematic view of a rear view cut-away axial measurement structure of an adjustable laboratory fume hood according to the present utility model;

FIG. 4 is a schematic diagram of a side sectional axial measurement structure of an adjustable laboratory fume hood according to the present utility model;

fig. 5 is an enlarged view of a portion of the area a of fig. 4 according to the present utility model.

In the figure: the ventilating cabinet comprises a ventilating cabinet body 1, a frame 2, toughened glass 3, an operating platform 4, a baffle 5, a top plate 6, a motor 7, a gear 8, a rack 9, a limiting column A10, a limiting column B11, a sealing strip 12, an electric push rod 13, a bracket 14, a rotating shaft 15, an exhaust fan 16, a miniature electric push rod 17, a U-shaped frame 18, a straight shaft 19 and a fixed column 20.

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.

Referring to fig. 1-5, a laboratory fume chamber with adjustable, including fume chamber main part 1, fume chamber main part 1 inboard is equipped with frame 2, the fixed sealing strip 12 that is equipped with of frame 2 downside, the fixed toughened glass 3 that is equipped with of frame 2 inboard, frame 2 one side is equipped with two electric lifting device, electric lifting device includes motor 7, motor 7 need pass through wire external power supply and switch, the fixed gear 8 that is equipped with in the axle outside of motor 7, gear 8 is equipped with rack 9 through rack-and-pinion meshing transmission connection, rack 9 is fixed in frame 2 one side, fixed spacing post A10 that is equipped with in fume chamber main part 1 one side, spacing post B11, frame 2 slip can be dismantled between spacing post A10, spacing post B11, fume chamber main part 1 has been adopted, frame 2, toughened glass 3, operating panel 4, motor 7, gear 8, rack 9, spacing post A10, spacing post B11, sealing strip 12, make it has lifting function, sealing function, motor 7 is just reversing, gear 8 drives rack 9, frame 2 reciprocates, open and close frame 2 ten and gently, automatic efficiency is high, convenient to use, when the inside sealing performance of fume chamber main part 1 has been improved, concrete implementation: the gear 8 is driven to rotate in forward and reverse directions by the two motors 7, the rack 9 and the frame 2 can move between the limit column A10 and the limit column B11 up and down, the frame 2 and the toughened glass 3 move smoothly up and down, the stability is good, the operation is simple and convenient, and meanwhile, the sealing strip 12 improves the sealing performance inside the fume hood main body 1 when the frame 2 is pressed down to be closed.

The fixed operation panel 4 that is equipped with in fume chamber main part 1 inboard, baffle 5, fume chamber main part 1 upside is fixed and is equipped with roof 6, roof 6 downside is equipped with regulation structure, regulation structure includes electric putter 13, exhaust fan 16, electric putter 13 needs external power supply and switch through the wire, electric putter 13 fixes in roof 6 downside, electric putter 13 downside is fixed and is equipped with support 14, support 14 is U type structure, support 14 slides and can dismantle in baffle 5 inboard, support 14 inboard rotates and is equipped with two axis of rotation 15, exhaust fan 16 is fixed between two axis of rotation 15, exhaust fan 16 needs external power supply and switch through the wire, fume chamber main part 1 has been adopted, roof 6, electric putter 13, support 14, axis of rotation 15, exhaust fan 16, make it have regulatory function, electric putter 13 stretches out, push down exhaust fan 16, with impurity or gaseous quick exhaust, exhaust efficiency has been improved, and when specifically implemented: the electric putter 13 stretches out, and support 14 and exhaust fan 16 descend in step, and exhaust fan 16 work absorbs impurity and gas efficiency on the operation panel 4 higher, and the speed is faster, can adjust the height as required, and electric putter 13 contracts, and support 14 and exhaust fan 16 rise, make things convenient for the staff to carry out the experiment.

The exhaust fan 16 one side is equipped with turns to the subassembly, turn to the subassembly and includes miniature electric putter 17, miniature electric putter 17 need pass through external power supply of wire and switch, miniature electric putter 17 is fixed in support 14 one side, miniature electric putter 17 downside is fixed to be equipped with U type frame 18, U type frame 18 inboard is fixed to be equipped with straight axle 19, the rotation of straight axle 19 outside is equipped with fixed column 20, fixed column 20 is fixed in exhaust fan 16 outside, support 14 has been adopted, axis of rotation 15, exhaust fan 16, miniature electric putter 17, U type frame 18, straight axle 19, fixed column 20, make it have the steering function, miniature electric putter 17 stretches out and contracts and can make exhaust fan 16 turn to, the impurity and the gas of quick exhaust fume chamber main part 1 both sides, exhaust efficiency has been accelerated, and in the concrete implementation: when the experiment is carried out, experiments can be carried out on the tabletop of the operation table 4, the exhaust fan 16 can absorb gas in the middle part quickly, and the exhaust fan can be controlled to rotate rightwards and leftwards through the extension and contraction of the miniature electric push rod 17, so that the air suction port of the exhaust fan 16 is convenient to directly face the gas and impurities, the absorption and emission effects are improved, and the practicability is high.

It should be noted that:

the application proposes: the fume chamber main part 1, motor 7, electric putter 13, miniature electric putter 17 are prior art, wherein:

the fume chamber main part 1 is the fume chamber, and foremost among the functions of fume chamber is the exhaust function, in chemistry experiment room, produces various harmful gas, foul smell, moisture and inflammable, explosive, corrosive substance during the experimental operation, in order to protect user's safety, prevents the pollutant diffusion in the experiment to the laboratory, needs to use the fume chamber near the pollution source.

The motor 7 is an electric motor, which is a device that converts electric energy into mechanical energy. The magnetic power rotating torque is formed by generating a rotating magnetic field by using an electrified coil (namely a stator winding) and acting on a rotor (such as a squirrel-cage closed aluminum frame). The motors are classified into direct current motors and alternating current motors according to the power supply, and most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the magnetic field rotating speed of a motor stator and the rotating speed of a rotor do not keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of forced movement of an electrified wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The motor works in the principle that the magnetic field acts on the current to rotate the motor.

The electric push rod 13 and the miniature electric push rod 17 are both electric push rods, and the electric push rod is an electric driving device for converting the rotation motion of a motor into the linear reciprocating motion of the push rod. Can be used in various simple or complex process flows as an execution machine to realize remote control, centralized control or automatic control. The novel self-locking motor is novel and exquisite in design, small in size, high in precision, complete and synchronous, good in self-locking performance, sanitary, and direct in motor driving, and does not need an air source and an oil way of a pipeline, and is widely used for equipment in various industries such as production lines, automobiles, ventilation window opening, military industry, stages, spinning, sewage treatment and the like.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a laboratory fume chamber with adjustable, includes fume chamber main part (1), its characterized in that, fume chamber main part (1) inboard is equipped with frame (2), frame (2) inboard is fixed and is equipped with toughened glass (3), frame (2) one side is equipped with two electric lifting device, fume chamber main part (1) inboard is fixed and is equipped with operation panel (4), baffle (5), fume chamber main part (1) upside is fixed and is equipped with roof (6), roof (6) downside is equipped with adjusting structure.

2. The adjustable laboratory fume chamber according to claim 1, wherein the electric lifting device comprises a motor (7), the motor (7) is externally connected with a power supply and a switch through wires, a gear (8) is fixedly arranged on the outer side of a shaft of the motor (7), the gear (8) is connected with a rack (9) through a gear-rack meshing transmission, the rack (9) is fixed on one side of the frame (2), a limit post a (10) and a limit post B (11) are fixedly arranged on one side of the fume chamber main body (1), and the frame (2) is slidably detachable between the limit post a (10) and the limit post B (11).

3. An adjustable laboratory fume hood according to claim 1, characterized in that the underside of the frame (2) is fixedly provided with sealing strips (12).

4. The adjustable laboratory fume chamber according to claim 1, wherein the adjusting structure comprises an electric push rod (13) and an exhaust fan (16), the electric push rod (13) is required to be connected with a power supply and a switch through a wire, the electric push rod (13) is fixed on the lower side of the top plate (6), a support (14) is fixedly arranged on the lower side of the electric push rod (13), the support (14) is slidably detachable on the inner side of the baffle (5), two rotating shafts (15) are rotatably arranged on the inner side of the support (14), the exhaust fan (16) is fixed between the two rotating shafts (15), the exhaust fan (16) is required to be connected with the power supply and the switch through a wire, and a steering assembly is arranged on one side of the exhaust fan (16).

5. The adjustable laboratory fume chamber according to claim 4, wherein the steering assembly comprises a miniature electric push rod (17), the miniature electric push rod (17) is required to be externally connected with a power supply and a switch through wires, the miniature electric push rod (17) is fixed on one side in the bracket (14), a U-shaped frame (18) is fixedly arranged on the lower side of the miniature electric push rod (17), a straight shaft (19) is fixedly arranged on the inner side of the U-shaped frame (18), a fixing column (20) is rotatably arranged on the outer side of the straight shaft (19), and the fixing column (20) is fixed on the outer side of the exhaust fan (16).

6. An adjustable laboratory fume hood according to claim 4, wherein said support (14) is of U-shaped configuration.