CN219357333U

CN219357333U - Custom laboratory updraft ventilator

Info

Publication number: CN219357333U
Application number: CN202320697024.1U
Authority: CN
Inventors: 马立标
Original assignee: Shenzhen Mocheng Technology Co ltd
Current assignee: Shenzhen Mocheng Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-18
Anticipated expiration: 2033-04-03

Abstract

A custom laboratory updraft ventilator comprises a ventilator body, wherein the ventilator body is provided with an air outlet at the top, and an operation opening with one side open is arranged in the middle of the ventilator body; the glass door is arranged in the cabinet body and can lift and open or close the opening of the operation port; the ventilation system is arranged at the top of the cabinet body; the installation cover is fixedly arranged in the operation opening and provided with a plurality of ventilation holes; the ventilation assembly is rotatably arranged on the mounting cover; when the ventilation assembly rotates on the mounting cover, the ventilation assembly has a first state of shielding the ventilation hole and a second state of opening the ventilation hole to ventilate the operation port, and the ventilation assembly is additionally arranged on the premise of the ventilation system, so that the flow rate of gas in the operation port is accelerated.

Description

Custom laboratory updraft ventilator

Technical Field

The utility model relates to the technical field of real exhaust cabinets, in particular to a customized laboratory exhaust cabinet.

Background

In a chemical laboratory, in order to prevent the gas generated in the chemical experiment from damaging the physical health of the laboratory workers, the experiment is usually performed in the cavity of a fume hood.

For example, the patent number of China is 202220826520.8, the patent name is a ventilation cabinet for a laboratory, the content of the ventilation cabinet is recorded as 'a cabinet body comprising an experiment inner cavity and an exhaust system for exhausting gas in the experiment inner cavity from the experiment inner cavity', an operation port for communicating the outside with the experiment inner cavity is formed in one side wall of the cabinet body, a glass door is connected at the position of the operation port in a sliding manner, and the glass door controls the opening and the closing of the operation port by sliding along the height direction of the cabinet body; a limiting hole is formed in the side wall of the operation opening, an insulating limiting rod is connected to the limiting hole in a sliding mode, one end of the limiting rod extends out of the limiting hole, and the upper side surface of the part, extending out of the limiting hole, of the limiting rod is abutted to the lower surface of the glass door; the limiting rod is provided with a switch component for controlling the starting and stopping of an air draft system circuit, when the limiting rod is located at a second set position, the glass door is erected and clamped on the upper side of the limiting rod, and the air draft system is started by the switch component of the limiting rod. The application has the effect of automatically starting the air draft system when in use.

Although this "a fume hood for laboratory" has many points, it has some problems due to its limited structure, such as that the air extraction system is located above the operation port, and when the air extraction system works, it takes a long time to exhaust the gas at the bottom of the operation port, which affects the experimental efficiency.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems, the utility model provides a customized laboratory exhaust cabinet to solve the problems set forth in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a custom laboratory updraft ventilator comprises a ventilator body, wherein the ventilator body is provided with an air outlet at the top, and an operation opening with one side open is arranged in the middle of the ventilator body; the glass door is arranged in the cabinet body and can lift and open or close the opening of the operation port; the ventilation system is arranged at the top of the cabinet body; the installation cover is fixedly arranged in the operation opening and provided with a plurality of ventilation holes; the ventilation assembly is rotatably arranged on the mounting cover; wherein, when the ventilation assembly rotates on the mounting cover, the ventilation assembly has a first state of shielding the ventilation hole and a second state of opening the ventilation hole to ventilate the operation port.

Preferably, the ventilation assembly comprises a rotary motor fixedly arranged in the operation port and positioned in the installation cover; the rotating plate is provided with a plurality of mounting holes, is rotatably mounted in the mounting cover and is fixedly connected with the output shaft of the rotating motor; the fans are correspondingly arranged in the mounting holes; wherein, the rotating plate can shelter from the ventilation hole or make the mounting hole and the ventilation hole switch on when rotating.

Preferably, the mounting cover is U-shaped, and the ventilation assembly is provided with a plurality of, and the symmetry sets up in the mounting cover both sides.

Preferably, the top of the mounting cover is provided with a plurality of through slots extending through the mounting cover.

Preferably, the air draft cabinet further comprises a cabinet door, wherein the bottom of the cabinet body is provided with a containing groove with one side open, and the cabinet door is rotationally connected with the bottom of the cabinet body and can open or close the opening of the containing groove.

Preferably, an illuminating lamp is arranged in the operation port, a plurality of adjusting switches are arranged at the side of the cabinet body, and the adjusting switches are respectively and electrically connected with the illuminating lamp and the ventilation system.

Preferably, a plurality of sockets are provided in the operation port.

Preferably, the top of the cabinet body is provided with an air switch.

(III) beneficial effects

Compared with the prior art, the use mode of the customized laboratory exhaust cabinet is as follows, firstly, materials and equipment to be tested are placed in an operation port for operation, before harmful gas is generated in chemical reaction, the operation port is opened and sealed through a glass door, the harmful gas is prevented from overflowing and diffusing from a cabinet body to a laboratory, after the reaction is finished, when the experimental equipment is required to be taken out, a ventilation system is started firstly, gas in the operation port is exhausted through an exhaust port, then a ventilation assembly is started again, so that the gas in the operation port flows, the exhaust of the gas in the operation port is accelerated, after the gas is exhausted, the ventilation system and the ventilation assembly are closed, glass can be opened to take out the experimental equipment, and in general, the exhaust cabinet shortens the time of the ventilation system for exhausting the gas at the bottom of the operation port by additionally arranging the ventilation assembly on the premise of having the ventilation system, compared with the prior art, the device has a simple structure, is convenient to use, and is suitable for large-scale popularization and application.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;

FIG. 2 shows a partial part schematic of an embodiment of the utility model;

fig. 3 shows a partial part schematic diagram of a second embodiment of the utility model.

In the figure: 10 cabinets, 11 glass doors, 12 ventilation systems, 13 mounting covers, 20 ventilation assemblies, 21 rotary motors, 22 rotary plates, 23 fans, 30 cabinet doors, 31 regulating switches, 32 sockets, 33 air switches, 40 operation ports, 41 air outlets, 42 ventilation holes, 43 mounting holes and 44 through grooves.

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.

Referring to fig. 1-3, the embodiment of the utility model discloses a customized laboratory exhaust cabinet, which comprises a cabinet body 10, wherein an exhaust outlet 41 is arranged at the top of the cabinet body 10, and an operation opening 40 with one side open is arranged in the middle of the cabinet body 10; a glass door 11, the glass door 11 is installed in the cabinet 10 and can be lifted to open or close the opening of the operation opening 40; a ventilation system 12, the ventilation system 12 being mounted on top of the cabinet 10; a mounting cover 13, wherein the mounting cover 13 is fixedly arranged in the operation opening 40, and a plurality of ventilation holes 42 are formed in the mounting cover 13; a ventilation assembly 20, the ventilation assembly 20 being rotatably mounted on the mounting housing 13; wherein the ventilation assembly 20 has a first state of shielding the ventilation hole 42 and a second state of opening the ventilation hole 42 to ventilate the operation port 40 when rotated on the mounting cover 13.

It should be noted that the whole cold-rolled steel plate that adopts of the cabinet body 10 is made, thickness is accurate, the surface is smooth, have outstanding mechanical properties, cabinet body 10 bottom is equipped with a plurality of orientable universal wheels to make things convenient for the transport of the cabinet body 10 to remove, operation mouth 40 mesa is black physicochemical board, 2cm around four, make the mesa have stronger corrosion-resistant function, so that laboratory carries out chemistry experiment, ventilation system 12 can be with the interior gas of operation mouth 40 from exhaust outlet 41 discharge, the glass door 11 can self-service regulation from top to bottom, thereby open or seal operation mouth 40, above two modes belong to prior art, add the description here repeatedly.

Based on the above scheme, the use mode of this customization laboratory exhaust cabinet is as follows, firstly, the material of needs experiment, equipment is placed in operation mouth 40 and is operated, before chemical reaction produces harmful gas, through glass door 11 with operation mouth 40 opening closure, prevent that harmful gas from spilling and diffusing to the laboratory from cabinet body 10, after the reaction finishes, when needs take out experimental facilities, start ventilation system 12 earlier, the gas in the operation mouth 40 is discharged through air exit 41, then start ventilation assembly 20 again, make the gaseous flow in the operation mouth 40, accelerate the discharge of gas in the operation mouth 40, after the gas is discharged, close ventilation system 12 and ventilation assembly 20, can open glass and take out experimental facilities, in general terms, this exhaust cabinet is under the prerequisite that possesses ventilation system 12, through addding ventilation assembly 20, accelerate the flow rate of gas in the operation mouth 40, compared with prior art, the time of ventilation system 12 with operation mouth 40 bottom gas discharge has been shortened, the device simple structure, and is convenient for use, be fit for extensive popularization and application.

Referring to fig. 3, the ventilation assembly 20 includes a rotary motor 21, and the rotary motor 21 is fixedly installed in the operation port 40 and positioned in the installation housing 13; the rotating plate 22 is provided with a plurality of mounting holes 43, and the rotating plate 22 is rotatably arranged in the mounting cover 13 and fixedly connected with the output shaft of the rotating motor 21; a plurality of fans 23, the plurality of fans 23 being correspondingly installed in the plurality of installation holes 43; wherein the rotating plate 22 can shield the vent hole 42 or allow the mounting hole 43 to be communicated with the vent hole 42 when rotating.

Specifically, the plurality of ventilation holes 42 are in a circumferential arrangement design, the plurality of mounting holes 43 correspond to the circumferential arrangement design of the ventilation holes 42, the rotating plate 22 shields the ventilation holes 42 in a normal state, at this time, the fan 23 is not started, a user can perform a chemical experiment in the operation port 40, when experimental equipment needs to be taken out after the experiment is completed, the ventilation system is started firstly, so that the air in the operation port 40 is exhausted through the air outlet 41, then the rotating motor 21 is started, the rotating plate 22 rotates to connect the mounting holes 43 with the ventilation holes 42, at this time, the fan 23 is started to ventilate the operation port 40, at this time, the air flow efficiency in the operation port 40 is increased, the ventilation system 12 is convenient to exhaust the air in the operation port 40, and the ventilation efficiency is improved.

Referring to fig. 2, the mounting cover 13 is of a U-shaped design, and a plurality of ventilation assemblies 20 are symmetrically arranged at two sides of the mounting cover 13.

Specifically, the mounting cover 13 both ends are separated with the top, and there is the residue at mounting cover 13 both sides when avoiding ventilation system 12 to be with the gas discharge in the operation mouth 40, and harmful gas remains on the one hand has the potential safety hazard, and on the other hand corrodes ventilation assembly 20 easily, influences part life, in this embodiment, ventilation assembly 20 is equipped with four groups, and the symmetry sets up at both ends, and the upper and lower end of operation mouth 40 both sides all can have fan 23 to rotate to accelerate the inside gas flow of operation mouth 40, make things convenient for ventilation system to pass through exhaust outlet 41 with the gas of operation mouth 40 bottom for ventilation efficiency.

Further, the top of the mounting cap 13 is provided with a plurality of through slots 44 extending therethrough.

Specifically, through the arrangement of the through groove 44, on one hand, the exhaust port of the exhaust system is isolated from the operation port 40, so that the user is prevented from touching by mistake, and on the other hand, the operation port 40 and the ventilation system 12 are ensured to directly arrow the tube, so that the ventilation system 12 is convenient to extract gas.

Further, the air draft cabinet further comprises a cabinet door 30, a containing groove with one side open is arranged at the bottom of the cabinet body 10, and the cabinet door 30 is rotatably connected with the bottom of the cabinet body 10 and can open or close the containing groove.

Specifically, the cabinet door 30 is symmetrically disposed at two sides of the accommodating groove, and the accommodating groove can be provided with a laminate, which is not shown in the drawings, so as to facilitate the user to store and store the articles.

Further, an illumination lamp is arranged in the operation port 40, a plurality of adjusting switches 31 are arranged at the side of the cabinet body 10, and the adjusting switches 31 are respectively electrically connected with the illumination lamp and the ventilation system 12.

Specifically, the illumination lamp is installed at the side of the installation cover 13, not shown in the drawing, and the two adjusting switches 31 are provided, one of which is used for controlling the illumination lamp to be turned on and off, so that illumination in the operation port 40 is facilitated, and the other is used for adjusting the air volume of the ventilation system 12.

To facilitate user debugging of the device, a plurality of receptacles 32 are provided within the operator port 40.

In order to prevent short circuit, serious overload and undervoltage of electrical equipment such as the ventilation system 12 and the lighting lamp, the top of the cabinet body 10 is provided with an air switch 33 for protecting a circuit.

It should be noted that while the embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made hereto without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A custom laboratory fume hood, comprising:

the novel multifunctional cabinet comprises a cabinet body (10), wherein an air outlet (41) is formed in the top of the cabinet body (10), and an operation opening (40) with an opening at one side is formed in the middle of the cabinet body (10);

a glass door (11), wherein the glass door (11) is arranged in the cabinet body (10) and can lift and open or close an opening of the operation opening (40);

a ventilation system (12), the ventilation system (12) being mounted on top of the cabinet (10);

a mounting cover (13), wherein the mounting cover (13) is fixedly arranged in the operation opening (40), and a plurality of ventilation holes (42) are formed in the mounting cover (13);

-a ventilation assembly (20), said ventilation assembly (20) being rotatably mounted on said mounting hood (13);

wherein the ventilation assembly (20) has a first state of shielding the ventilation hole (42) and a second state of opening the ventilation hole (42) to ventilate the operation port (40) when rotating on the mounting cover (13).

2. A custom laboratory fume hood as claimed in claim 1, wherein said ventilation assembly (20) comprises

A rotating motor (21), wherein the rotating motor (21) is fixedly arranged in the operation port (40) and is positioned in the installation cover (13);

the rotating plate (22) is provided with a plurality of mounting holes (43), and the rotating plate (22) is rotatably arranged in the mounting cover (13) and fixedly connected with the output shaft of the rotating motor (21);

a plurality of fans (23), wherein the fans (23) are correspondingly arranged in the mounting holes (43);

wherein the rotating plate (22) can shield the ventilation hole (42) or enable the mounting hole (43) to be communicated with the ventilation hole (42) when rotating.

3. A custom laboratory fume hood according to claim 2, characterised in that said mounting hood (13) is of U-shaped design, said ventilation assembly (20) being provided in plurality and symmetrically arranged on both sides of said mounting hood (13).

4. A custom laboratory fume hood as claimed in claim 3, wherein said mounting hood (13) is provided at its top with a plurality of through slots (44) extending through itself.

5. The custom laboratory fume hood according to claim 1, further comprising a cabinet door (30), wherein a receiving slot with one side open is provided at the bottom of the cabinet body (10), and the cabinet door (30) is rotatably connected to the bottom of the cabinet body (10) and can open or close the opening of the receiving slot.

6. The custom laboratory fume hood according to claim 1, wherein an illumination lamp is arranged in the operation port (40), a plurality of adjusting switches (31) are arranged beside the hood body (10), and the adjusting switches (31) are respectively electrically connected with the illumination lamp and the ventilation system (12).

7. A custom laboratory fume hood according to claim 1, wherein a plurality of sockets (32) are provided in said port (40).

8. A custom laboratory fume hood as claimed in claim 1, wherein the top of the cabinet body (10) is provided with an air switch (33).