CN213103704U

CN213103704U - Laboratory fume chamber

Info

Publication number: CN213103704U
Application number: CN202021861390.9U
Authority: CN
Inventors: 李桂香
Original assignee: Shaanxi Fengxi Environmental Protection Equipment Engineering Co ltd
Current assignee: Shaanxi Fengxi Environmental Protection Equipment Engineering Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a laboratory fume chamber, including exhaust apparatus, elevating gear, sealed processing apparatus, shelter from device, control box, operating button and cabinet base, the control box is located on the cabinet base, exhaust apparatus locates on the control box, elevating gear locates on the cabinet base, sealed processing apparatus locates the inside of control box, shelter from on the device locates the control box, operating button locates on the lateral wall of cabinet base. The utility model belongs to the technical field of laboratory paraphernalia, specifically indicate a laboratory fume chamber, adopt the upper and lower tensile front end to shelter from baffle, magnetism to inhale formula closed area closing device and lift cylinder, realize more simple and easy platform operation mode, more convenient crisis processing apparatus and more humanized overall structure overall arrangement have effectively solved the laboratory fume chamber that has now on the existing market and have dealt with inefficiency to dangerous experiment, and self structure is complicated, maintain comparatively inconvenient problem.

Description

Laboratory fume chamber

Technical Field

The utility model belongs to the technical field of laboratory paraphernalia, specifically indicate a laboratory fume chamber.

Background

Laboratory ventilation is an integral part of laboratory design. In order for laboratory workers not to inhale some toxic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. The fume hood is a local air exhaust device which is most commonly used in a laboratory, has various types, and has different air exhaust effects due to different structures and different use conditions. The operation in the fume hood generally involves electricity consumption, even open fire heating, and improper operation often causes fire, namely loss of life safety and property safety. Therefore, it is necessary to monitor the temperature inside the ventilation cabinet. The existing fume hood cannot adapt to the height of all people, discomfort can be brought to experimenters in an experimental stage, in addition, the existing fume hood is inconvenient to operate when dealing with flame or toxic gas accidents caused by sudden chemical reactions, and the requirements of customers cannot be met when an operation platform is cleaned after an experiment is finished.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a laboratory fume chamber adopts the longitudinal stretching front end to shelter from baffle, magnetism to inhale formula closed area closing device and lift cylinder, realizes more simple and easy platform operation, and more convenient crisis processing apparatus and more humanized overall structure overall arrangement have effectively solved current laboratory fume chamber on the existing market and have responded to inefficiency to dangerous experiment, and self structure is complicated, maintains comparatively inconvenient problem.

The utility model adopts the following technical scheme: the utility model relates to a laboratory ventilation cabinet, including exhaust apparatus, elevating gear, sealing treatment device, sheltering from device, control box, operating button and cabinet bottom base, the control box is located on the cabinet bottom base, exhaust apparatus locates on the control box, elevating gear locates on the cabinet bottom base, sealing treatment device locates the inside of control box, sheltering from the device and locates on the control box, operating button locates on the lateral wall of cabinet bottom base; the lifting device comprises a lifting cylinder, a small air pump, an air pump box, a cylinder clamping groove and a supporting base, the cylinder clamping groove is formed in the cabinet bottom base, the lifting cylinder is arranged in the cylinder clamping groove, the bottom end of the lifting cylinder is connected with the bottom wall of the cylinder clamping groove, the supporting base is arranged above the lifting cylinder, the supporting base is connected with the lifting cylinder, the air pump box is arranged on the lower wall of the supporting base, and the small air pump is arranged in the air pump box.

Furthermore, the sealing treatment device comprises a telescopic pull rod, a glass sealing cover, an upper end magnetic ring, a glass operation table and a lower end magnet, wherein the lower end magnet is arranged on the inner bottom wall of the operation box, the glass operation table is arranged above the lower end magnet, the upper end of the telescopic pull rod is connected with the inner top wall of the operation box, the glass sealing cover is connected with the lower end of the telescopic pull rod, and the upper end magnetic ring is arranged at an opening of the glass sealing cover.

Further, exhaust apparatus includes exhaust duct, air discharge fan, gas vent, rotation motor and exhaust baffle, the gas vent is located on the roof of control box, the air discharge fan is located in the gas vent, exhaust duct links to each other with the gas vent, rotate the motor block and rotate and locate on the roof of control box, exhaust duct one side is located to the rotation motor, exhaust baffle links to each other with the output that rotates the motor, exhaust duct's diameter is unanimous with the gas vent diameter, exhaust baffle's diameter is greater than the diameter of gas vent.

Further, shelter from device and include that slide damper, baffle block, sliding tray, box upper end magnetism inhale piece, box lower extreme magnetism inhale piece, baffle magnetism inhale piece and operation mouth, the sliding tray is located in the both ends lateral wall of control box, baffle block slides and locates in the sliding tray, slide damper locates on the baffle block, box upper end magnetism inhale the piece and locate the upper end both sides of sliding tray, box lower extreme magnetism inhale the piece and locate the intermediate position both sides of sliding tray, baffle magnetism inhale the piece and locate on the slide damper, baffle magnetism inhale the piece and locate one side of baffle block, the operation mouth is located on the slide damper.

Further, the operating button includes baffle button, ventilation button, air pump button, rise button and decline button, the baffle button is located on the antetheca one side of cabinet bottom base, rise button is located on the antetheca opposite side of cabinet bottom base, the below of baffle button is located to the ventilation button, the below of ventilation button is located to the air pump button, the below of rising button is located to the decline button.

Further, the cabinet bottom base comprises a cabinet bottom base column, a supporting layer and a small drawer, the cabinet bottom base column is arranged below the supporting base, the lifting cylinder is arranged in the cabinet bottom base column, the supporting layer is arranged above the supporting base, and the small drawer is arranged inside the supporting layer.

Further, the baffle button is electrically connected with the rotating motor, the ventilation button is electrically connected with the exhaust fan, the air pump button is electrically connected with the small air pump, the ascending button is electrically connected with the lifting cylinder, and the descending button is electrically connected with the lifting cylinder.

Furthermore, the lifting air cylinders are provided with two groups, the cabinet bottom foundation columns are provided with two groups, the operation ports are provided with two groups, the baffle magnetic suction pieces are provided with four groups, the box upper end magnetic suction pieces are provided with four groups, and the box lower end magnetic suction pieces are provided with four groups.

Furthermore, the sliding baffle is made of transparent glass, the area of the baffle magnetic attraction piece is larger than that of the box upper end magnetic attraction piece, and the area of the baffle magnetic attraction piece is larger than that of the box lower end magnetic attraction piece.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme laboratory fume chamber adopts the longitudinal stretching front end to shelter from baffle, magnetism to inhale formula closed area closing device and lift cylinder, realizes more simple and easy platform operation, and more convenient crisis processing apparatus and more humanized overall structure overall arrangement have effectively solved current laboratory fume chamber in the existing market and have responded to inefficiency to dangerous experiment, and self structure is complicated, maintains comparatively inconvenient problem.

Drawings

Fig. 1 is a front view of a laboratory fume hood according to the present invention;

fig. 2 is a front sectional view of a laboratory fume hood according to the present invention;

fig. 3 is a right side sectional view of a laboratory fume hood according to the present invention;

fig. 4 is a right side view of the ventilation cabinet in the laboratory.

Wherein, 1, an exhaust device, 2, a lifting device, 3, a sealing processing device, 4, a shielding device, 5, an operation box, 6, an operation button, 7, a cabinet bottom base, 8, a lifting cylinder, 9, a small air pump, 10, an air pump box, 11, an air cylinder clamping groove, 12, a supporting base, 13, a telescopic pull rod, 14, a glass sealing cover, 15, an upper end magnetic ring, 16, a glass operation table, 17, a lower end magnet, 18, an exhaust pipeline, 19, an exhaust fan, 20, an exhaust port, 21, a rotating motor, 22, an exhaust baffle, 23, a sliding baffle, 24, a baffle clamping block, 25, a sliding groove, 26, a box upper end magnetic suction piece, 27, a box lower end magnetic suction piece, 28, a baffle magnetic suction piece, 29, an operation port, 30, a baffle button, 31, a ventilation button, 32, an air pump button, 33, a lifting button, 34, a lifting button, 35, a cabinet bottom base column, 36 and a supporting layer, 37. a small drawer.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model relates to a laboratory fume hood, including exhaust apparatus 1, elevating gear 2, sealing treatment device 3, sheltering device 4, control box 5, operating button 6 and cabinet bottom base 7, control box 5 locates on cabinet bottom base 7, exhaust apparatus 1 locates on control box 5, elevating gear 2 locates on cabinet bottom base 7, sealing treatment device 3 locates inside control box 5, sheltering device 4 locates on control box 5, operating button 6 locates on the lateral wall of cabinet bottom base 7; elevating gear 2 includes lift cylinder 8, little air pump 9, air pump case 10, cylinder block groove 11 and supports base 12, cylinder block groove 11 is located in cabinet bottom base 7, lift cylinder 8 is located in cylinder block groove 11, 8 bottoms of lift cylinder link to each other with 11 diapalls in cylinder block groove, support base 12 and locate lift cylinder 8's top, it links to each other with lift cylinder 8 to support base 12, air pump case 10 is located on the lower wall that supports base 12, little air pump 9 is located the inside of air pump case 10.

The sealing treatment device 3 comprises a telescopic pull rod 13, a glass sealing cover 14, an upper end magnetic ring 15, a glass operation table 16 and a lower end magnet 17, wherein the lower end magnet 17 is arranged on the inner bottom wall of the operation box 5, the glass operation table 16 is arranged above the lower end magnet 17, the upper end of the telescopic pull rod 13 is connected with the inner top wall of the operation box 5, the glass sealing cover 14 is connected with the lower end of the telescopic pull rod 13, and the upper end magnetic ring 15 is arranged at the opening of the glass sealing cover 14.

Exhaust apparatus 1 includes exhaust duct 18, exhaust fan 19, gas vent 20, rotation motor 21 and exhaust baffle 22, gas vent 20 is located on the roof of control box 5, exhaust fan 19 is located in gas vent 20, exhaust duct 18 links to each other with gas vent 20, it rotates on locating the roof of control box 5 to rotate motor 21 block, it locates exhaust duct 18 one side to rotate motor 21, exhaust baffle 22 links to each other with the output that rotates motor 21, exhaust duct 18's diameter is unanimous with gas vent 20 diameter, exhaust baffle 22's diameter is greater than gas vent 20's diameter.

The shielding device 4 comprises a sliding baffle 23, a baffle clamping block 24, a sliding groove 25, a box upper end magnetic part 26, a box lower end magnetic part 27, a baffle magnetic part 28 and an operation port 29, wherein the sliding groove 25 is arranged in the side walls of the two ends of the operation box 5, the baffle clamping block 24 is clamped and slid in the sliding groove 25, the sliding baffle 23 is arranged on the baffle clamping block 24, the box upper end magnetic part 26 is arranged on the two sides of the upper end of the sliding groove 25, the box lower end magnetic part 27 is arranged on the two sides of the middle position of the sliding groove 25, the baffle magnetic part 28 is arranged on the sliding baffle 23, the baffle magnetic part 28 is arranged on one side of the baffle clamping block 24, and the operation port 29 is arranged on the sliding baffle 23.

The operating button 6 comprises a baffle button 30, a ventilation button 31, an air pump button 32, an ascending button 33 and a descending button 34, the baffle button 30 is arranged on one side of the front wall of the cabinet bottom base 7, the ascending button 33 is arranged on the other side of the front wall of the cabinet bottom base 7, the ventilation button 31 is arranged below the baffle button 30, the air pump button 32 is arranged below the ventilation button 31, and the descending button 34 is arranged below the ascending button 33.

The cabinet bottom base 7 comprises a cabinet bottom base column 35, a supporting layer 36 and a small drawer 37, the cabinet bottom base column 35 is arranged below the supporting base 12, the lifting cylinder 8 is arranged in the cabinet bottom base column 35, the supporting layer 36 is arranged above the supporting base 12, and the small drawer 37 is arranged in the supporting layer 36.

The baffle button 30 is electrically connected with the rotating motor 21, the ventilation button 31 is electrically connected with the exhaust fan 19, the air pump button 32 is electrically connected with the small air pump 9, the ascending button 33 is electrically connected with the lifting cylinder 8, and the descending button 34 is electrically connected with the lifting cylinder 8.

The lifting air cylinders 8 are provided with two groups, the cabinet bottom foundation columns 35 are provided with two groups, the operation ports 29 are provided with two groups, the baffle magnetic suction pieces 28 are provided with four groups, the box upper end magnetic suction pieces 26 are provided with four groups, and the box lower end magnetic suction pieces 27 are provided with four groups.

The sliding baffle 23 is made of transparent glass, the area of the baffle magnetic attraction piece 28 is larger than that of the box upper end magnetic attraction piece 26, and the area of the baffle magnetic attraction piece 28 is larger than that of the box lower end magnetic attraction piece 27.

When the device is used specifically, a user puts required materials into the operation box 5 before experiment, pulls the sliding baffle plate 23 downwards, separates the baffle plate magnetic attraction piece 28 from the box upper end magnetic attraction piece 26, pulls the baffle plate magnetic attraction piece 28 on the sliding baffle plate 23 and the box lower end magnetic attraction piece 27, fixes the sliding baffle plate 23, and conducts experiment in the operation box 5, if the materials are on fire or generate thick smoke during the experiment, the user pulls the telescopic pull rod 13 downwards, the upper end magnetic ring 15 and the lower end magnet 17 on the glass sealing cover 14 generate magnetic attraction acting force, the glass operation table 16 and the glass sealing cover 14 pack the experimental materials into a fixed space until the oxygen in the space is exhausted, the harm generated by the experiment disappears completely, the user presses the baffle plate button 30 again, the exhaust baffle plate 22 rotates along with the rotation of the rotating motor 21, after the exhaust port 20 is exposed, the user presses the baffle plate button 30 again, rotate motor 21 stall, the user presses ventilation button 31, exhaust fan 19 rotates and discharges the air in the control box 5, later the user presses ventilation button 31 and baffle button 30 respectively, exhaust fan 19 stall, exhaust baffle 22 shelters from gas vent 20, the user feels when the control box 5 position is not convenient for experiment operation, the user presses air pump button 32, little air pump 9 work, the user presses the direction of work that rise button 33 or decline button 34 adjusted lift cylinder 8, change the spatial position of control box 5, it is above-mentioned convenient to do the utility model discloses holistic work flow, repeat this step when using next time can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A laboratory fume chamber, its characterized in that: the air exhaust device is arranged on the operation box, the lifting device is arranged on the cabinet bottom base, the sealing processing device is arranged in the operation box, the shielding device is arranged on the operation box, and the operation button is arranged on the side wall of the cabinet bottom base; the lifting device comprises a lifting cylinder, a small air pump, an air pump box, a cylinder clamping groove and a supporting base, the cylinder clamping groove is formed in the cabinet bottom base, the lifting cylinder is arranged in the cylinder clamping groove, the bottom end of the lifting cylinder is connected with the bottom wall of the cylinder clamping groove, the supporting base is arranged above the lifting cylinder, the supporting base is connected with the lifting cylinder, the air pump box is arranged on the lower wall of the supporting base, and the small air pump is arranged in the air pump box.

2. A laboratory fume hood according to claim 1 wherein: the sealing treatment device comprises a telescopic pull rod, a glass sealing cover, an upper end magnetic ring, a glass operation table and a lower end magnet, wherein the lower end magnet is arranged on the inner bottom wall of the operation box, the glass operation table is arranged above the lower end magnet, the upper end of the telescopic pull rod is connected with the inner top wall of the operation box, the glass sealing cover is connected with the lower end of the telescopic pull rod, and the upper end magnetic ring is arranged at an opening of the glass sealing cover.

3. A laboratory fume hood according to claim 2 wherein: exhaust apparatus includes exhaust duct, air discharge fan, gas vent, rotation motor and exhaust baffle, the gas vent is located on the roof of control box, the air discharge fan is located in the gas vent, exhaust duct links to each other with the gas vent, rotate the motor block and rotate and locate on the roof of control box, exhaust duct one side is located to the rotation motor, exhaust baffle links to each other with the output that rotates the motor, exhaust duct's diameter is unanimous with the gas vent diameter, exhaust baffle's diameter is greater than the diameter of gas vent.

4. A laboratory fume hood according to claim 3 wherein: the shielding device comprises a sliding baffle, a baffle clamping block, a sliding groove, a box upper end magnetic suction piece, a box lower end magnetic suction piece, a baffle magnetic suction piece and an operation opening, wherein the sliding groove is formed in the side walls of the two ends of the operation box, the baffle clamping block is slidably arranged in the sliding groove, the sliding baffle is arranged on the baffle clamping block, the box upper end magnetic suction piece is arranged on the two sides of the upper end of the sliding groove, the box lower end magnetic suction piece is arranged on the two sides of the middle position of the sliding groove, the baffle magnetic suction piece is arranged on the sliding baffle, the baffle magnetic suction piece is arranged on one side of the baffle clamping block, and the operation opening is arranged on the sliding baffle.

5. A laboratory fume hood according to claim 4 wherein: the operation button comprises a baffle button, a ventilation button, an air pump button, an ascending button and a descending button, the baffle button is arranged on one side of the front wall of the cabinet bottom base, the ascending button is arranged on the other side of the front wall of the cabinet bottom base, the ventilation button is arranged below the baffle button, the air pump button is arranged below the ventilation button, and the descending button is arranged below the ascending button.

6. A laboratory fume hood according to claim 5 wherein: the cabinet bottom base comprises a cabinet bottom base column, a supporting layer and a small drawer, the cabinet bottom base column is arranged below the supporting base, the lifting cylinder is arranged in the cabinet bottom base column, the supporting layer is arranged above the supporting base, and the small drawer is arranged in the supporting layer.

7. A laboratory fume hood according to claim 6 wherein: the baffle button is electrically connected with the rotating motor, the ventilation button is electrically connected with the exhaust fan, the air pump button is electrically connected with the small air pump, the ascending button is electrically connected with the lifting cylinder, and the descending button is electrically connected with the lifting cylinder.

8. A laboratory fume hood according to claim 7 wherein: the lifting air cylinders are two groups, the cabinet bottom foundation columns are two groups, the operation openings are two groups, the baffle magnetic suction pieces are four groups, the box upper end magnetic suction pieces are four groups, and the box lower end magnetic suction pieces are four groups.

9. A laboratory fume hood according to claim 8 wherein: the sliding baffle is made of transparent glass, the area of the baffle magnetic suction piece is larger than that of the box upper end magnetic suction piece, and the area of the baffle magnetic suction piece is larger than that of the box lower end magnetic suction piece.