CN212792338U - Laboratory is with safe energy-conserving fume chamber - Google Patents

Abstract

The utility model belongs to the technical field of experimental equipment, in particular to a safe and energy-saving ventilating hood for a laboratory, which comprises a lower operation box, wherein an upper operation box is arranged above the lower operation box, a fan box is arranged at the middle position inside the upper operation box, universal wheels are arranged at the bottom of the lower operation box, and an upper slide rail and a lower slide plate are respectively arranged between the lower operation box and the upper operation box; through push pedal and wall extrusion, make electric putter move toward the outside under the promotion universal wheel of bottom of the operation box portion, then can clean the rubbish of fume chamber bottom, clear away the completion back when the rubbish of fume chamber bottom, again under the operation box reset can, through the rubbish that can conveniently clear up the fume chamber bottom like this, the fan case carries rose box department to toxic gas, then flow from air pipe after the filtration of filter pulp, and install negative-pressure air fan in the inside top of rose box, through the speed that can accelerate the inside circulation of air of rose box like this.

Description

Laboratory is with safe energy-conserving fume chamber

Technical Field

The utility model belongs to the technical field of experimental facilities, concretely relates to laboratory is with safe energy-conserving fume chamber.

Background

The most important function of exhausting in the function of fume chamber, in chemical laboratory, produce various harmful gas during experimental operation, the foul smell, the moisture is and easily fire, it is explosive, corrosive substance, safety for the protection user, prevent that the pollutant in the experiment from diffusing to the laboratory, the fume chamber will be used near the pollution source, when original fume chamber is used for a long time, more rubbish can appear in the bottom, need dismantle air pipe when needs clearance, then outside pulling fume chamber, after the clearance is accomplished successfully, still need be connected ventilation pipe and fume chamber, the functionality of fume chamber has been reduced like this, can not bring more facilities for the staff.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a laboratory is with safe energy-conserving fume chamber has and can make things convenient for the staff to clear up the rubbish that persists in the fume chamber bottom, avoids dismantling air pipe's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a safe and energy-saving ventilation cabinet for a laboratory comprises a lower operation box, wherein an upper operation box is installed above the lower operation box, a fan box is installed at the middle position inside the upper operation box, universal wheels are installed at the bottom of the lower operation box, an upper sliding rail and a lower sliding plate are respectively installed between the lower operation box and the upper operation box, the upper sliding rail is in sliding connection with the lower sliding plate, electric push rods are respectively installed at the middle positions of two ends of the lower operation box, a push plate is installed on the rear surface of each electric push rod, lower positioning sleeves are respectively installed above two ends of the lower operation box, an upper positioning sleeve is installed above each lower positioning sleeve, the lower positioning sleeves are connected with the upper positioning sleeves through lead screws, a filter box is installed at the top of the upper operation box, filter cotton is installed inside the filter box, and a fan is installed above the filter cotton, the top of the filter box is also provided with a ventilating pipeline, and the fan box, the electric push rod and the negative pressure fan are electrically connected with an external power supply.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, the quantity of crossing the filter pulp is three.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, it is three the filter pulp all through the carriage with rose box sliding connection.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, the handle is still installed at the top of lower control box.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, go up the control box with the width of lower control box is the same.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, two electric putter's position is symmetrical.

As the utility model discloses a laboratory is with preferred technical scheme of safe energy-conserving fume chamber, go up the slide rail with the quantity of slide down is three.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the universal wheels at the bottom of the lower operation box are pushed to move outwards by the aid of the push plate and the wall through extrusion of the push plate and the lower sliding plate, then workers can clean garbage at the bottom of the fume hood, and the lower operation box is reset after the garbage at the bottom of the fume hood is cleared, so that the workers can conveniently clean the garbage left at the bottom of the fume hood, and the ventilating duct is prevented from being disassembled;

2. the fan case carries filter box department toxic gas, then flows from air pipe after the filtration of filter pulp, through can avoiding toxic gas release in the air like this, and installs negative-pressure air fan above the inside of filter box, through the speed that can accelerate the inside circulation of air of filter box like this.

Drawings

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. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the upper operation box of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the filtration tank of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;

in the figure: 1. an upper operation box; 2. a filter box; 3. a ventilation duct; 4. a fan box; 5. an upper slide rail; 6. a lower slide plate; 7. a handle; 8. a universal wheel; 9. an electric push rod; 10. a lower operation box; 11. pushing the plate; 12. filtering cotton; 13. a carriage; 14. mounting a positioning sleeve; 15. a screw rod; 16. a lower positioning sleeve; 17. a negative pressure fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a safe and energy-saving ventilation cabinet for a laboratory comprises a lower operation box 10, an upper operation box 1 is connected above the lower operation box 10, a fan box 4 is installed at the middle position inside the upper operation box 1 through a bolt, a universal wheel 8 is installed at the bottom of the lower operation box 10 through a bolt, an upper slide rail 5 and a lower slide plate 6 are respectively installed between the lower operation box 10 and the upper operation box 1 through bolts, the upper slide rail 5 is slidably connected with the lower slide plate 6, electric push rods 9 are respectively installed at the middle positions of two ends of the lower operation box 10 through bolts, a push plate 11 is installed on the rear surface of the electric push rod 9 through a bolt, lower positioning sleeves 16 are respectively installed above two ends of the lower operation box 10 through bolts, an upper positioning sleeve 14 is connected above the lower positioning sleeve 16, the lower positioning sleeve 16 is connected with the upper positioning sleeve 14 through a screw rod 15, a filter box 2 is installed at the top of the upper operation, the filter box 2 is connected with the fan box 4, the filter cotton 12 is connected inside the filter box 2, the negative pressure fan 17 is connected above the filter cotton 12, the negative pressure fan 17 is connected with the filter box 2 through bolts, the ventilation pipeline 3 is further installed at the top of the filter box 2 through bolts, and the fan box 4, the electric push rod 9 and the negative pressure fan 17 are all electrically connected with an external power supply.

In this embodiment, the type of the electric push rod 9 is TGA-100, the type of the negative pressure fan 17 is 1220-.

In this embodiment, through push pedal 11 and wall extrusion, make electric putter 9 push down control box 10 and remove toward the outside under the cooperation of last slide rail 5 and lower slide 6, then the staff can clean the fume chamber bottom rubbish can, clear away the completion back when the rubbish of fume chamber bottom, make electric putter 9 shrink, then the staff again manual pushes down control box 10 toward wall one side.

Specifically, the number of the filter cotton 12 is three.

In this embodiment, the number of the filter cotton 12 is three, and the toxic gas can be filtered more thoroughly through the three filter cotton 12.

Specifically, the three filter cottons 12 are all connected with the filter box 2 in a sliding way through a sliding frame 13.

In this embodiment, make three filter pulp 12 all through carriage 13 and rose box 2 sliding connection, when needing to change three filter pulp 12, as long as pull three filter pulp 12 outside under the cooperation of carriage 13, through making things convenient for the staff to change filter pulp 12 like this.

Specifically, the top of the lower operation box 10 is also provided with a handle 7 through bolts.

In this embodiment, still install handle 7 through the bolt at the top of lower control box 10, the staff can promote handle 7 and make lower control box 10 remove, makes things convenient for the better grasp of staff to operate box 10 down.

Specifically, the upper cabinet 1 and the lower cabinet 10 have the same width.

In this embodiment, the widths of the upper cabinet 1 and the lower cabinet 10 are made the same, so that the upper cabinet 1 and the lower cabinet 10 can be maintained on the same vertical line when they are connected.

Specifically, the two electric push rods 9 are symmetrically positioned.

In this embodiment, the two electric push rods 9 are symmetrical in position, so that the two electric push rods 9 can work simultaneously, and the lower operating box 10 can move stably.

Specifically, the number of the upper slide rails 5 and the lower slide plates 6 is three.

In this embodiment, the number of the upper slide rails 5 and the lower slide plates 6 is three, the three upper slide rails 5 are connected to the upper operation box 1, and the three lower slide plates 6 are connected to the lower operation box 10, so that the upper operation box 1 can be prevented from being laterally turned.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the garbage at the bottom of the ventilation cabinet needs to be cleaned in the process of using the ventilation cabinet, a worker can press the upper operation box 1 to switch on the power supply of the electric push rod 9, the electric push rod 9 pushes the lower operation box 10 to move outwards under the matching of the upper slide rail 5 and the lower slide plate 6 through the extrusion of the push plate 11 and the wall, then the worker can clean the garbage at the bottom of the ventilation cabinet, after the garbage at the bottom of the ventilation cabinet is cleaned, the electric push rod 9 is contracted, then the worker pushes the lower operation box 10 to one side of the wall by hand, the lower operation box 10 and the upper operation box 1 are kept on a vertical line, the worker can clean the garbage at the bottom of the ventilation cabinet conveniently, the filter box 2 is installed between the ventilation pipeline 3 and the fan box 4, and the fan box 4 conveys toxic gas to the filter box 2, then the air flows out from the ventilation pipeline 3 after being filtered by the filter cotton 12, and the negative pressure fan 17 is arranged above the inside of the filter box 2, so that the speed of air circulation inside the filter box 2 can be accelerated.

Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a laboratory is with safe energy-conserving fume chamber, includes lower control box (10), control box (1) are installed to the top of lower control box (10), the inside intermediate position department of going up control box (1) installs fan case (4), its characterized in that: universal wheel (8) is installed to the bottom of lower control box (10), slide rail (5) and lower slide (6) are installed respectively to lower control box (10) with go up between control box (1), just go up slide rail (5) and slide (6) sliding connection down, electric putter (9) are installed respectively to the both ends intermediate position department of lower control box (10), the rear surface mounting of electric putter (9) has push pedal (11), install down position sleeve (16) respectively below the both ends top of lower control box (10), position sleeve (14) are installed to the top of position sleeve (16) down, position sleeve (16) down with go up position sleeve (14) and connect through lead screw (15), rose box (2) is installed at the top of going up control box (1), the internally mounted of rose box (2) has filter pulp (12), negative-pressure air fan (17) are installed to the top of filter pulp (12), air pipe (3) are still installed at the top of rose box (2), fan case (4) electric putter (9) with negative-pressure air fan (17) all with external power source electric connection.

2. A laboratory safety energy saving fume hood according to claim 1, characterized in that: the number of the filter cotton (12) is three.

3. A laboratory safety energy saving fume hood according to claim 2, characterized in that: the three filter cottons (12) are all connected with the filter box (2) in a sliding mode through sliding frames (13).

4. A laboratory safety energy saving fume hood according to claim 1, characterized in that: the top of the lower operation box (10) is also provided with a handle (7).

5. A laboratory safety energy saving fume hood according to claim 1, characterized in that: the upper operation box (1) and the lower operation box (10) are the same in width.

6. A laboratory safety energy saving fume hood according to claim 1, characterized in that: the positions of the two electric push rods (9) are symmetrical.

7. A laboratory safety energy saving fume hood according to claim 1, characterized in that: the number of the upper sliding rails (5) and the number of the lower sliding plates (6) are three.

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