CN218692441U

CN218692441U - Laboratory all-steel fume hood

Info

Publication number: CN218692441U
Application number: CN202222966762.XU
Authority: CN
Inventors: 乔国敬
Original assignee: Suzhou Gilt Experimental Equipment Co ltd
Current assignee: Suzhou Gilt Experimental Equipment Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a laboratory is with equipment technical field, concretely relates to laboratory all-steel fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body, the downside all articulates on the outer wall front end of the cabinet body has the chamber door, the fixed intercommunication in outer wall top of the cabinet body has the suction opening, the inner wall center department of the cabinet body is fixed with the baffle, the outer wall top of baffle is provided with the subassembly of putting out a fire, the subassembly of putting out a fire includes first part of putting out a fire and the second part of putting out a fire, first part of putting out a fire sets up at the inner wall of the cabinet body and is located directly over the outer wall top of baffle, and is known through the above-mentioned mode the utility model discloses can take place the back experimenter and press the button of putting out a fire and put out a fire and handle to can in time quick when the conflagration takes place, avoid the continuous combustion of ignition point and cause bigger loss to the laboratory.

Description

Laboratory all-steel fume hood

Technical Field

The utility model relates to an equipment technical field is used in the laboratory, concretely relates to laboratory all-steel fume chamber.

Background

In chemical experiments, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, and in order to protect the safety of users, pollutants in a laboratory are prevented from diffusing in the laboratory, and a ventilation cabinet is used near a pollution source. In the prior art, a ventilating cabinet window is opened after a fire disaster occurs, and a fire extinguisher is used for manually extinguishing the fire, but the method has certain time delay and can cause personal safety threat and huge laboratory property loss due to untimely fire extinguishment, so that a safe and fireproof laboratory all-steel ventilating cabinet is disclosed in Chinese patent publication No. CN212329199U and comprises a box body and a workbench, wherein the left side surface of the box body is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating shaft, the top wall of the box body is rotatably connected with a rotating rod through a bearing, the left side surface of the box body is provided with a movable rod in an inserting manner, the upper surface of the box body is provided with a dust suction cavity, the left side surface of the box body is provided with a support rod in an inserting manner, the support rod is in transmission connection with the rotating shaft through a transmission chain, the lower surface of a slide rail on the left side is fixedly connected with a protective ventilating plate, the right end of the support rod is fixedly connected with an eccentric wheel, the right side surface of the eccentric wheel is provided with a sleeve through a pin shaft, the upper surface of the sleeve is hinged with a partition plate, and the upper surface of the workbench is fixedly connected with a plurality of thimbles;

the nylon rope, the iron ball and the fire extinguisher that the beneficial effect accessible of above-mentioned patent technique set up can make the fume chamber can put out a fire automatically when the conflagration takes place and handle, however, can know through the open specification of above-mentioned patent and description drawings, it wants to trigger extinguishing device and can only be earlier by flame with the nylon rope burning just can, and the nylon rope is burnt it and has too many uncertainties, the unable nylon rope of possibility not burnt condition appears, and the subsequent device of nylon rope portion not burning just can not be started, consequently can not in time put out a fire when catching fire, therefore certain weak point still exists.

In conclusion, the invention is necessary to invent a laboratory all-steel fume hood.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a laboratory all-steel fume chamber to solve through the open specification of above-mentioned patent and description attached drawing can know, it wants to trigger extinguishing device and can only be earlier by flame with the nylon rope burning the only ability, and the nylon rope is burnt it and has too many uncertainty, the unable nylon rope of possibility not by the condition of burning, and the subsequent device of nylon rope portion do not burning just can't be started, consequently can appear catching fire and in time can not put out a fire, therefore still have the problem of certain weak point.

In order to achieve the above object, the present invention provides the following technical solutions: a laboratory all-steel ventilation cabinet comprises a cabinet body, wherein the upper side and the lower side of the front end of the outer wall of the cabinet body are respectively hinged with a cabinet door, the top end of the outer wall of the cabinet body is fixedly communicated with an air suction opening, a partition plate is fixed at the center of the inner wall of the cabinet body, and a fire extinguishing assembly is arranged above the outer wall of the partition plate;

the fire extinguishing assembly comprises a first fire extinguishing part and a second fire extinguishing part, the first fire extinguishing part is arranged on the inner wall of the cabinet body and is located right above the top end of the outer wall of the partition plate, and the second fire extinguishing part is arranged on two sides of the upper portion of the outer wall of the partition plate.

Preferably, the first part of putting out a fire includes the fretwork fixed plate, the outer wall of fretwork fixed plate and the inner wall upper portion fixed connection of the cabinet body, the outer wall bottom mounting of fretwork fixed plate has the seal box, the inner wall of seal box is provided with the holding vessel through the mount.

Preferably, the outer wall bottom of fretwork fixed plate just is located the baffle and is fixed with the spray line through the pipeline mount directly over, the outer wall bottom mounting intercommunication of spray line has the nozzle, the outer wall right-hand member of holding vessel passes through the fixed intercommunication of right-hand member of conveyer pipe with the spray line.

Preferably, the second part of putting out a fire includes the gas holder, the quantity that the gas holder set up is two, two the outer wall bottom of gas holder all is connected through the outer wall both sides of fixed plate with the cabinet body.

Preferably, the inner wall both sides of the cabinet body and the top that is located the baffle all are fixed with the air injection seat, two the outer wall top of gas holder all through the gas-supply pipe respectively with two the opposite one side inner wall intercommunication of air injection seat, two the relative one side outer wall of air injection seat all is fixed the intercommunication and has the air nozzle, the equal downward sloping of air nozzle is towards the baffle.

Preferably, the upper end and the lower end of the outer wall of the partition board are both provided with drain ports, the inner wall of the partition board is connected with a sealing sliding plate in a sliding mode, and a lighting lamp is fixed above the top end of the outer wall of the partition board through a metal snake neck pipe.

Preferably, the guide plate is fixed to the two sides of the inner wall of the cabinet body and below the partition plate, the waste liquid tank is connected to the upper portion of the bottom end of the inner wall of the cabinet body and below the guide plate in a sliding mode, and the lamp rods are fixed to the two sides of the inner wall of the cabinet body and below the guide plate.

The utility model has the advantages that:

the utility model discloses in, when the conflagration appears, the experimenter can press down the button of putting out a fire earlier and make on holding vessel and the gas holder fixed solenoid valve open, can put out a fire towards the fire point blowout substrate through holding vessel and the spray line that sets up and put out a fire and handle, and can spout carbon dioxide through gas holder and the jet-propelled seat that sets up and put out a fire and handle, can know through the above-mentioned mode the utility model discloses can the after the conflagration takes place the experimenter press the button of putting out a fire and can put out a fire and handle to can be in time quick when the conflagration takes place put out a fire and handle, avoid the ignition to last burning and cause bigger loss to the laboratory.

Drawings

Fig. 1 is a schematic view of the external structure of the utility model in the front view direction;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a schematic view of the three-dimensional structure of the spray pipe of the present invention.

In the figure: 100. a cabinet body; 110. a partition plate; 111. a drain port; 112. sealing the sliding plate; 200. an air suction opening; 300. an illuminating lamp; 400. hollowing out the fixing plate; 410. sealing the box; 420. a storage tank; 430. a spray tube; 500. a waste liquid tank; 600. a gas storage tank; 610. and an air injection seat.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a laboratory all-steel ventilation cabinet, which comprises a cabinet body 100, wherein the upper side and the lower side of the front end of the outer wall of the cabinet body 100 are respectively hinged with a cabinet door, the top end of the outer wall of the cabinet body 100 is fixedly communicated with an air suction opening 200, an exhaust fan is arranged in the arranged air suction opening 200, a partition plate 110 is fixed at the center of the inner wall of the cabinet body 100, a fire extinguishing component is arranged above the outer wall of the partition plate 110, the fire extinguishing component comprises a first fire extinguishing part and a second fire extinguishing part, the first fire extinguishing part is arranged on the inner wall of the cabinet body 100 and is positioned right above the top end of the outer wall of the partition plate 110, the first fire extinguishing part comprises a hollowed fixing plate 400, the outer wall of the hollowed fixing plate 400 is fixedly connected with the upper part of the inner wall of the cabinet body 100, the hollowed fixing plate 400 is hollowed to avoid affecting the harmful gas in the cabinet body 100 pumped by the air suction opening 200, a sealing box 410 is fixed at the bottom end of the outer wall of the hollowed fixing plate 400, the inner wall of the seal box 410 is provided with a storage tank 420 through a fixing frame, the seal box 410 is arranged for sealing and protecting the storage tank 420, the front end of the outer wall of the seal box 410 is hinged with a box door at the joint of the outer wall and the storage tank 420, the bottom end of the outer wall of the hollowed fixing plate 400 is positioned right above the partition plate 110 and is fixed with a spray pipe 430 through a pipe fixing frame, the bottom end of the outer wall of the spray pipe 430 is fixedly communicated with a nozzle, the right end of the outer wall of the storage tank 420 is fixedly communicated with the right end of the spray pipe 430 through a conveying pipe, a discharge port of the storage tank 420 is fixed with an electromagnetic valve, a water-based fire extinguishing material or aerosol fire extinguishing base material for fire extinguishing is arranged inside the storage tank 420, when a fire occurs, an experimenter can press a fire extinguishing button to open the electromagnetic valve arranged on the storage tank 420, the fire extinguishing base material stored in the storage tank 420 can be conveyed to the spray pipe 430 through the conveying pipe under the action of pressure, causing the spray tube 430 to spray the fire-extinguishing substrate through the nozzle to extinguish the fire;

the second part of putting out a fire sets up the outer wall top both sides at baffle 110, the second part of putting out a fire includes gas holder 600, the quantity that gas holder 600 set up is two, the outer wall bottom of two gas holders 600 all is connected with the outer wall both sides of the cabinet body 100 through the fixed plate, the carbon dioxide of usefulness of putting out a fire is stored in the gas holder 600 that sets up, the gas vent of the gas holder 600 that sets up also is fixed with the solenoid valve, this solenoid valve is the same with the fixed solenoid valve on the holding vessel 420, all be connected with the button electricity of putting out a fire through the power transmission line, make the experimenter can control the solenoid valve to open through pressing the button of putting out a fire, the inner wall both sides of the cabinet body 100 and the top that is located baffle 110 all are fixed with gas holder 610, the outer wall top of two gas holders 600 all communicates with two opposite side inner walls of gas holder 610 through the gas-supply pipe respectively, two opposite side outer walls of gas holder 610 all are fixed with the intercommunication has the air nozzle, the air nozzle all downward sloping towards baffle 110, when the conflagration appears, the experimenter can press the button of putting out a fire, make the solenoid valve that sets up on the gas holder 600 open, the carbon dioxide gas-supply pipe can be carried to the seat 610 in the effect of putting out a fire through the blowout.

The upper end and the lower end of the outer wall of the partition board 110 are both provided with drain ports 111, the drain ports 111 are arranged for enabling waste water generated in an experiment to fall into the waste liquid tank 500, the inner wall of the partition board 110 is connected with a sealing sliding board 112 in a sliding manner, the sealing sliding board 112 is arranged for blocking the drain ports 111 in the experiment process, a lighting lamp 300 is fixed above the top end of the outer wall of the partition board 110 through a metal snake neck pipe, guide plates are fixed on both sides of the inner wall of the cabinet body 100 and below the partition board 110, the waste liquid tank 500 is connected above the bottom end of the inner wall of the cabinet body 100 and below the guide plates in a sliding manner, and lamp rods are fixed on both sides of the inner wall of the cabinet body 100 and below the guide plates;

the utility model discloses a use as follows: firstly, an experimenter can open a door hinged to the upper end of the cabinet body 100, the sealing sliding plate 112 is inserted into the partition plate 110, illumination can be provided by opening the arranged illuminating lamp 300, the experimenter can perform experiments on the top end of the outer wall of the partition plate 110, when waste liquid for the experiments needs to be discharged, the experimenter only needs to draw out the sealing sliding plate 112 firstly, the waste liquid can be directly poured onto the drain opening 111, the drain opening 111 can be matched with the guide plate to convey the waste liquid into the waste liquid tank 500 for storage, and the experimenter only needs to open the door at the bottom end of the outer wall of the front end of the cabinet body 100 regularly to draw out the waste liquid tank 500 for cleaning;

when a fire disaster occurs, an experimenter can press a fire extinguishing button firstly, an electromagnetic valve arranged on the gas storage tank 600 can be opened, the experimenter can close a box door and an exhaust fan in the air suction opening 200, carbon dioxide gas stored in the gas storage tank 600 can be conveyed to the air injection seat 610 through a gas pipe under the action of pressure, the air injection seat 610 sprays the carbon dioxide gas through an air nozzle to extinguish the fire, meanwhile, the electromagnetic valve arranged on the storage tank 420 is opened, fire extinguishing base materials stored in the storage tank 420 can be conveyed to the spraying pipe 430 through the conveying pipe under the action of pressure, the spraying pipe 430 sprays the fire extinguishing base materials through the nozzle to extinguish the fire, the fire can be quickly extinguished through the matching of the fire extinguishing base materials and the carbon dioxide, and the larger loss caused by untimely fire extinguishing is avoided;

and this application simultaneously also can be in suction opening 200 the installation solenoid valve make the internal sealed environment that can be of cabinet 100, improves carbon dioxide's fire extinguishing effect, also can open the order with the solenoid valve on gas holder 600 and the holding vessel 420 simultaneously and stagger for spout behind the carbon dioxide blowout base material of putting out a fire earlier, avoid the two to spout simultaneously and cause the influence to the effect of putting out a fire.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides an all-steel fume chamber in laboratory, includes the cabinet body (100), the outer wall front end upper and lower side of the cabinet body (100) all articulates there is the chamber door, the outer wall top fixed intercommunication of the cabinet body (100) has suction opening (200), its characterized in that: a partition plate (110) is fixed at the center of the inner wall of the cabinet body (100), and a fire extinguishing assembly is arranged above the outer wall of the partition plate (110);

the subassembly of putting out a fire includes first part and the second part of putting out a fire, first part setting of putting out a fire is just above the inner wall of the cabinet body (100) and is located the outer wall top of baffle (110), the second part of putting out a fire sets up the outer wall top both sides at baffle (110).

2. The laboratory all-steel fume hood according to claim 1, characterized in that: the first fire extinguishing part comprises a hollow fixing plate (400), the outer wall of the hollow fixing plate (400) is fixedly connected with the upper portion of the inner wall of the cabinet body (100), a sealing box (410) is fixed to the bottom end of the outer wall of the hollow fixing plate (400), and a storage tank (420) is arranged on the inner wall of the sealing box (410) through a fixing frame.

3. The laboratory all-steel fume hood according to claim 2, characterized in that: the spray pipe (430) is fixed through the pipe fixing frame directly over the outer wall bottom of fretwork fixed plate (400) and being located baffle (110), the outer wall bottom mounting intercommunication of spray pipe (430) has the nozzle, the outer wall right-hand member of holding vessel (420) passes through the fixed intercommunication of right-hand member of conveyer pipe and spray pipe (430).

4. The laboratory all-steel fume hood according to claim 1, characterized in that: the second part of putting out a fire includes gas holder (600), the quantity that gas holder (600) set up is two, two the outer wall bottom of gas holder (600) all is connected with the outer wall both sides of the cabinet body (100) through the fixed plate.

5. The laboratory all-steel fume hood according to claim 4, wherein: the inner wall both sides of the cabinet body (100) and the top that is located baffle (110) all are fixed with gas injection seat (610), two the outer wall top of gas holder (600) all through the gas-supply pipe respectively with two the opposite one side inner wall intercommunication of gas injection seat (610), two the relative one side outer wall of gas injection seat (610) all is fixed the intercommunication and has the air nozzle, the equal downward sloping of air nozzle is towards baffle (110).

6. The laboratory all-steel fume hood according to claim 1, characterized in that: the upper end and the lower end of the outer wall of the partition board (110) are both provided with a drain opening (111), the inner wall of the partition board (110) is connected with a sealing sliding plate (112) in a sliding manner, and an illuminating lamp (300) is fixed above the top end of the outer wall of the partition board (110) through a metal snake neck pipe.

7. The laboratory all-steel fume hood according to claim 6, wherein: the utility model discloses a cabinet, including the cabinet body, the inner wall both sides of the cabinet body (100) just are located the below of baffle (110) and all are fixed with the guide plate, the inner wall bottom top of the cabinet body (100) just is located the below sliding connection of guide plate has waste liquid case (500), the inner wall both sides of the cabinet body (100) just are located the below of guide plate and all are fixed with the lamp stick.